Processing of gear box end cover is with location frock

The utility model discloses a processing of gear box end cover is with location frock, comprising a base plate, be provided with a plurality of locating component that are used for fixing a position the work piece on the bottom plate, locating component is including location core and the location core matched with clamp plate of establishing centering department, the bilateral symmetry of location core is provided with the spring box, install the spring in the spring box, the spring links to each other with self -align piece, self -align piece slope is arranged, opens the corner matched with bayonet socket that has with the work piece on it. A feel relieved certainly that processing of gear box end cover is with location frock simple structure easily realizes, its self -align structure realization work piece that cooperates the spring arranging through the slope to fix a position the work piece fast through location core, clamp plate, removed calibration reference time from, improved the ...

Molded polyester plastics with marble-like grain and its prepn

Low-density SMC polyester moulding compound and preparation method thereof

The invention discloses a low-density SMC polyester moulding compound and preparation method thereof. The low-density SMC polyester moulding compound is prepared by the following steps: unsaturated polyester resin, LPA, liquid pigment, viscosity depressant, curing agent, thickener, mold discharging agent, calcium carbonate powder and chopped fiberglass are mixed in definite proportion, and then, nanometer silicon dioxide of which the density is 0.3g/cm to 0.4g/cm or hollow glass microscopic beads in definite proportion is used as the light filling materials to be added to the mixture. The low-density SMC polyester moulding compound reserves the original favorable feature of polyester moulding compound, has lower density and has the advantages of saving energy, reducing the manufacturing cost of enterprises and increasing the competitive power.

Dropproof single -break contact operating device

The utility model discloses a dropproof single -break contact operating device, it includes pivot and moving contact, wherein, the pivot has the holding chamber of running through whole pivot, in the pivot in the holding intracavity is provided with first fixed pin and second fixed pin, the one end of moving contact rotationally set up in on the first fixed pin, the cover is equipped with the contact torsional spring on the second fixed pin, be provided with the bellying that has level and smooth curved surface on the moving contact, be fixed with the removable pin on the bellying, the one end of contact torsional spring connect in in the pivot, the other end support to lean on in on the removable pin, be provided with spacing lug in the pivot. Above -mentioned dropproof single -break contact operating device can prevent the contact along with the reduction of electric power with its from scolding out the position to the motion of closed position orientation, lead to the fact so -called ...

Constant pressure anti-falling double-breakpoint contact structure

The invention discloses a constant pressure anti-falling double-breakpoint contact structure which comprises a bracket and a moving contact, wherein a fixing pin is arranged in the center of the bracket; two bracket chutes which incline inwards by taking the fixing pin as a symmetry point are formed in the bracket; moving bracket pins are arranged inside the bracket chutes; long circular contact holes which incline to the fixing pin by taking the fixing pin as the symmetry point are formed in the moving contact; moving contact pins are arranged inside the contact holes; contact springs are connected between two ends of the two moving contact pins and two ends of the two moving bracket pins; a section of cam surface is respectively arranged on each of two sides of the moving contact by taking the fixing pin as the symmetry point; and arched guide grooves are formed in the positions corresponding to the moving contact pins on the bracket. By adopting the constant pressure anti-falling double-breakpoint ...

Quick drilling and tapping anchor clamps of part

The utility model discloses a quick drilling and tapping anchor clamps of part, it includes anchor clamps physically, it offers the first clamping hole that is used for the part to hole and process to press from both sides specific one end, the downthehole location core that is provided with of first clamping, the location core pass through connecting fixed part set up in on the anchor clamps body, seted up on the anchor clamps bodies with the first processing hole that first clamping hole is linked together, the anchor clamps bodies go up in the second clamping hole that is used for the part to carry out tapping processing is offered to the one side in first clamping hole, seted up on the anchor clamps bodies with the second processing hole that second clamping hole is linked together. On above -mentioned quick drilling and tapping anchor clamps of part focused on the clamping of part drilling and tapping an anchor clamps body, not only the clamping was convenient, fast, and can not exchange ...

Low-temperature fast curing polyester moulding compound and preparation method thereof

The invention discloses a low-temperature fast curing polyester moulding compound and preparation method thereof. The solidification process of the material is adjusted by mixing and matching multiple solidified agents and being aided with novel compound polymerization retardor, the demoulding flatness of materials is improved by adding a novel viscosity reduction impregnating compound, and the material moulding process is improved by adding the predispersed step of adding little fiber after the solidifying system, thus ensuring that the moulding temperature obviously reduce to be only 110 DEG C to 130 DEG C on the condition that the polyester moulding compound reserves the original favorable feature; and meanwhile, the solidifying period is shortened to be 8 to 10 S/mm, thus saving the energy and reduces the manufacturing cost for enterprises. The polyester moulding compound of the invention is an energy-saving environmental protection material with excellent mechanical behavior, electrical ...

Automatic control device used for molded product cold mold

The invention discloses an automatic control device used for a molded product cold mold. The automatic control device comprises a rack, a working platform used for placing the molded product cold mold is arranged at the top of the rack, and multiple molded products are sequentially pressed into the molded product cold mold; triggering components corresponding to the molded products in number are arranged on the portion, at one side of the molded product cold mold, of the working platform and each connected with a time relay in a communication mode, and when the multiple molded products are pressed into the molded product cold mold, the triggering components control the time relays to start timekeeping according to set time. According to the automatic control device used for the molded product cold mold, when the molded products are placed on the molded product cold mold to be cooled, the triggering components will be triggered and transmit signals to the corresponding time relays so that ...

Manual quick clamp

The invention discloses a manual quick clamp which comprises a clamp body, wherein the clamp body comprises a base and lateral plates arranged at the two ends of the base, a rotary shaft is installed at the center of the base, positioning and clamping plates are arranged on the two sides of the base respectively and can slide along the base, a spring is arranged on each positioning and clamping plate, a threaded hole is formed in each lateral plate, a fastening screw used for positioning the corresponding spring is installed in each threaded hole, cams are arranged at the positions, corresponding to the positioning and clamping plates, of the rotary shaft, a handle is installed at the outer end of the rotary shaft, a cover plate is installed above the base and located between the two lateral plates, and multiple drill bushings used for machining parts are arranged on the cover plate and the base correspondingly. By the adoption of the manual quick clamp, quick clamping of the parts in the ...

Linkage command device of safety isolating device of isolating valve of drawout breaker

The invention relates to a linkage command device of a safety isolating device of an isolating valve of a drawout breaker. A drawing plate is provided with a shifting sheet; the shifting sheet can rotate around a shaft; the front end of the shifting sheet is a straight sheet with an inclined plane, and the rear part of the shifting sheet is provided with a cam surface and a horizontal plane; the side surface of a chassis is provided with a slide block; the lower part of the slide block is provided with a pin roller; the lower part of the a breaker body abuts with the horizontal plane of the shifting sheet; the breaker is pressed on the horizontal plane of the drawing plate after being put on the drawing plate and meanwhile blocks the shifting sheet rotating anticlockwise around the shaft on the drawing plate. With the push of the drawing plate, the pin roller fixed on the slide block gradually approaches to the shifting sheet until touching the inclined plane, and immediately, the pinroller ...

Display unit for position state of draw-out circuit breaker

The invention relates to a draw-out circuit breaker, in particular to a device used on the draw-out circuit breaker for displaying the working state of the draw-out position. The invention discloses a novel display unit for the position state of the draw-out circuit breaker, which displays the working state of the circuit breaker by adopting a horizontal mode. When a push plate is pushed, a guidepart fixed on the push plate displaces axially along a transmission rod, as the guide part is fixed on the push plate, a torsional guide groove on the transmission rod drives the transmission rod to rotate axially, the axial rotation of the transmission rod further drives a transmission part to perform torsion, and a shift block of the transmission part pushes a slide block to move horizontally through the guide groove, therefore an indicating line at the front end of the slide block moves so as to indicate the working state represented by different characters or symbols. The longitudinal movement ...

Clamp for examining air tightness of end cover part

The invention discloses a clamp for examining the air tightness of an end cover part. The clamp comprises a base, a pressure head and a connecting rod, wherein a cavity for accommodating an end cover part to be examined is formed in the base, the end cover part to be examined penetrates through the connecting rod through a center hole to be arranged on the base, one end of the connecting rod is connected to the base, the other end of the connecting rod is connected with the pressure head, an air inlet nozzle communicated with the cavity is arranged on the side face of the base and is connected with an inflation device, and a sealing ring which is in sealed connection with the end cover part to be examined when pressed is arranged on the bottom of the pressure head. By the adoption of the clamp, assembly and disassembly can be achieved at one time without repetition, clamping is convenient, and examination gas is supplied from the side face so that air leakage of the part can be observed ...

Neglected-loading-proof automatic press-filling machine for injection molding part

The invention discloses a neglected-loading-proof automatic press-filling machine for an injection molding part. The neglected-loading-proof automatic press-filling machine comprises an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is slidingly provided with a supporting plate for placement of the injection molding part; the upper supporting plate is provided with a driving air cylinder; at least two guide columns are arranged between the upper supporting plate and the lower supporting plate; slide plate assemblies are arranged on the guide columns in a penetrating manner; the driving end of the driving air cylinder is connected with a slide plate assembly to drive the slide plate assembly to move up and down along the guide columns; puncher pins which are distributed in a manner of being matched with insert holes on the injection molding part are arranged at the bottom of the slide plate assembly; limiting columns for limiting the route of the ...

Positioning tool for drilling on motor end cap

The invention discloses a positioning tool for drilling on a motor end cap, which comprises a base plate. The base plate is provided with a plurality of positioning assemblies. Each positioning assembly comprises a positioning core. The outer circumference of the positioning core is provided with through holes at positions which correspond with the drilling holes of a workpiece. Furthermore a screw is mounted on each positioning core. The screw is provided with a quick locking nut which is used for locking the workpiece. The quick locking nut is provided with a screwed hole which cooperates with the screw, and a mounting hole which is communicated with the screwed hole. The screwed hole is vertically arranged and the mounting hole is arranged obliquely. The included angle between the screwed hole and the mounting hole is 10-20 DEG. The positioning tool has advantages of simple structure and easy realized. Quick mounting of the quick locking nut is realized through the mounting hole on the ...

Hip-pot test clamp for motor

The invention discloses a hip-pot test clamp for a motor. The hip-pot test clamp comprises a bottom plate, wherein a plurality of positioning pins matched with the motor in shape and size are arranged on the bottom plate, a plurality of supporting pins for supporting the bottom plate of the motor are arranged in an area defined by the plurality of positioning pins, a supporting plate is arranged on one side of the bottom plate and provided with a pressing device which is used for pressing against a stator of the motor when a hip-pot test is carried out, and the bottom plate, the supporting plate, the positioning pins, the supporting pins and a pressing device are all made of conductive metal materials. According to the hip-pot test clamp for the motor, the hip-pot test on electronic parts on the stator, a rotor and a speed reduction mechanism can be realized, non-detection zones do not exit, the quality of products can be guaranteed, and the motor is convenient and fast to assemble and ...

Switching-on ready indicating mechanism of circuit breaker operating mechanism

The invention relates to a switching-on ready indicating mechanism of a circuit breaker operating mechanism, which comprises a ready state indicating part arranged on a shaft extended from a side plate and a spring installed on the ready state indicating part and another shaft. The ready state indicating part is installed on the shaft extended from the side plate and is located behind a stored energy indicating part also installed on the same shaft extended from the side plate. When the indication word 'OK' of the ready state indicating part and the indication word 'changed' of the stored energy indicating part simultaneously appear in a display window on a panel of the circuit breaker operating mechanism, the unique switching-on ready condition of the circuit breaker operating mechanism is satisfied.

Low-temperature fast curing polyester moulding compound and preparation method thereof

The invention discloses a low-temperature fast curing polyester moulding compound and preparation method thereof. The solidification process of the material is adjusted by mixing and matching multiplesolidified agents and being aided with novel compound polymerization retardor, the demoulding flatness of materials is improved by adding a novel viscosity reduction impregnating compound, and the material moulding process is improved by adding the predispersed step of adding little fiber after the solidifying system, thus ensuring that the moulding temperature obviously reduce to be only 110 DEGC to 130 DEG C on the condition that the polyester moulding compound reserves the original favorable feature; and meanwhile, the solidifying period is shortened to be 8 to 10 S/mm, thus saving the energy and reduces the manufacturing cost for enterprises. The polyester moulding compound of the invention is an energy-saving environmental protection material with excellent mechanical behavior, electrical ...

Novel breaker arc extinguishing structure

The invention relates to a novel breaker arc extinguishing structure which is installed at the upper part of an independent group of contact system in a breaker body, and mainly comprises an arc extinguish chamber, a flash barrier and a filtering top cover which are assembled and then connected by screws. The novel breaker arc extinguishing structure is convenient and reliable in self assembly and the assembly of a low-voltage circuit breaker, is provided with a combined-type filtering device, is rapid and thorough in arc extinguishing and full in filtering and cooling, improves the breaking performance of the low-voltage circuit breaker, and eliminates the harmful influence for the circuit breaker and human body when electric arc escapes.

Connection structure for circuit breaker operation mechanism and contact support member

The invention discloses a connection structure for a circuit breaker operation mechanism and a contact support member. The connection structure comprises an output shaft, a crank arm, a pin a connection rod of the circuit breaker operation mechanism, a movable pin, a shifting member, a spring, a spring seat and a pair of lugs, wherein the connection rod, the movable pin, the shifting member, the spring and the spring seat are arranged in a movable contact support member, and the pair of lugs is additionally arranged on the rear side of the movable contact support member; a small window is additionally formed above the movable contact support member; a rear side hole is additionally formed right behind the movable contact support member; a pair of lugs is arranged in the left and right directions of the two sides of the rear side hole; and the shifting member with a shifting member hole, the movable pin, the spring and the spring seat are arranged in the movable contact support member.The ...

A anchor clamps that is used for detecting end cover part gas tightness

The utility model discloses an anchor clamps that is used for detecting end cover part gas tightness, it includes base, pressure head and connecting rod, wherein, offer the die cavity that is used for the holding to be detected the end cover part on the base, the centre bore that passes through that is detected the end cover part passes the connecting rod set up in on the base, the one end of connecting rod connect in on the base, the other end is connected the pressure head, be provided with on the side of base with the suction nozzle that the die cavity is linked together, aerating device is connected to the suction nozzle, the pressure head bottom is provided with the sealing washer that detects end cover part sealing connection when compressing tightly with the quilt. It is above -mentioned A anchor clamps that is used for detecting end cover part gas tightness only needs loading and unloading for the first time to need not the repetition, and the clamping is convenient, and the edgewise ...

Part fast hole drilling and thread tapping clamp

The invention discloses a part fast hole drilling and thread tapping clamp, which comprises a clamp body, wherein one end of the clamp body is provided with a first installing and clamping hole for carrying out hole drilling processing on a part; a positioning core is arranged in the first installing and clamping hole; the positioning core is arranged on the clamp body through a connecting and fixing component; a first processing hole communicated with the first installing and clamping hole is formed in the clamp body; a second installing and clamping hole used for carrying out thread tapping processing on the part is formed in the clamp body and at one side of the first installing and clamping hole; a second processing hole used for being communicated with the second installing and clamping hole is formed in the clamp body. The part fast hole drilling and thread tapping clamp has the advantages that the part hole drilling and the thread tapping installing and clamping can be integrated ...

Conventional circuit -breaker operates counting assembly

The utility model discloses a conventional circuit -breaker operates counting assembly, it includes support, counter, pull rod and spring, the support is fixed in on the circuit breaker operating device, the counter is fixed in on the support, the one end of pull rod connect in on the main shaft of counter, the one end of other end coupling spring, the other end of spring is connected on the removable pin of circuit breaker operating device's energy storage lever. Above -mentioned conventional circuit -breaker operates counting assembly when the energy storage of circuit breaker operating device, removable pin anticlockwise rotation on mechanism's energy storage lever, the spring is in release condition, when operating device once release can the time, removable pin rotate clockwise, spring are produced ascending effort and make the pull rod rotate by drawing, the rolling counters forward once. Simple structure not only, operation number of times directly perceived the reading of being ...

BMC (Bulk Moulding Compound) material with weather resistance and preparation method of BMC material

The invention discloses a BMC (Bulk Moulding Compound) material with weather resistance. The BMC material is prepared from the following main raw materials in percent by weight in the terms of the weight of the BMC material: 16-26 percent of weather-resisting unsaturated polyester resin, 4-10 percent of low-shrinkage additive, 30-60 percent of filler calcium sulfate, 10-20 percent of filler calcium silicate, 0.1-1 percent of curing agent, 0.8-2 percent of releasing agent, 0.2-0.4 percent of thickening agent, 0.1-0.5 percent of antioxidant, 0.5-1.0 percent of assistant, 2-4 percent of weather-resisting pigment, 0.1-0.5 percent of ultraviolet absorber and 12-25 percent of glass fiber, wherein the sum of the percents by weight of all raw materials of the BMC is 100 percent. The BMC material has excellent acid and alkali resistance, ultraviolet light oxidation resistance, hydrolysis resistance, high-low temperature resistance, and weather resistance.

Operation counting device of universal breaker

The invention discloses an operation counting device of a universal breaker. The operation counting device comprises a support, a counter, a pull bar and a spring, the support is fixed on a breaker operation mechanism, the counter is fixed on the support, one end of the pull bar is connected to a main shaft of the counter, the other end of the pull bar is connected with one end of the spring, and the other end of the spring is connected to a movable pin of an energy storage lever of the breaker operation mechanism. When the breaker operation mechanism stores energy, the movable pin of the energy storage lever rotates anticlockwise, and the spring is in a released state; and when the operation mechanism releases energy, the movable pin rotates clockwise, the spring is stretched, the pull bar rotates due to an upward force, and the counter completes once counting. The operation counting device is simple in structure, the operation frequency is convenient to read, impact on the counter in ...

Breaker busbar

The invention discloses a breaker busbar. The breaker busbar comprises a connecting plate, wherein a plurality of connecting holes are formed in the connecting plate, at least two step parts are formed on the bottom surface of one end part of the connecting plate, at least two step parts are also formed on the end surface of the end part of the connecting plate correspondingly, a copper flexible wire is connected to the step surface of each step part, and the copper flexible wire connected to the upper step surface is longer than the copper flexible wire connected to the lower step surface. The breaker busbar has the advantages that a step composed of at least two step parts is formed at one end part of the breaker busbar, more copper flexible wires can be welded without changing width of a busbar by adopting a multi-layer welding connecting way, the copper flexible wires are welded in parallel at intervals, so that workers can operate conveniently; a frictional force between the copper ...

Low volatile polyester molding compound and preparation method thereof

The invention relates to the field of composite insulating materials and discloses a low volatile polyester molding compound and a preparation method thereof. The low volatile polyester molding compound is mainly manufactured by directly selecting granular colorable polystyrene (PS) with the particle diameter of about 200 meshes on the aspect of low shrinkage additive, and adopting a direct addition technology without carrying out a working procedure of blending of the polystyrene and monomer styrene, therefore, the invention greatly lowers the content of the monomer styrene in materials and the content of volatile in the polyester molding compound, realizes the minimization of the content of the monomer styrene on the premise of ensuring that the polyester molding compound is completely reacted and solidified, keeps the prior excellent performance, and obviously reduces pollution to the environment.

Cover anchor clamps that punch a hole in middle of motor

The utility model discloses a cover anchor clamps that punch a hole in middle of motor, including the bottom plate be provided with a plurality of positioning mechanism on the bottom plate, positioning mechanism is including location core, central clamp plate, locating pin and spring fastening box, middle lid cover is on sony -Ericson's location core to fix on the bottom plate by central gland, a locating pin is fixed on the bottom plate for fixing a position middle lid angle, an on the bottom plate for inciting somebody to action the spring fastening box that middle lid compressed tightly on the locating pin is fixed in the locating pin top, spring fastening box includes the baffle, spring and push rod, spring coupling on fixing the baffle on spring fastening box, spring other end ejector tie rod, cover anchor clamps that punch a hole in middle of motor fixes a position accurately, and once can fix a position a plurality of middle lids, has improved the machining efficiency of middle lid ...

Marbling polyester molding compound for medium-high voltage appliances and preparation method thereof

The invention discloses a marbling polyester molding compound for medium-high voltage appliances and a preparation method thereof and relates to the field of composite insulating materials. The polyester molding compound is prepared by a new process which adopts packing material in various classes of grain diameter on the main structure of common marbling polyester molding compound and combines with new fibre material and other auxiliary materials. The power frequency dielectric strength can reach above 25kV/mm, the electric arc resistance index can reach above 200S, the proof tracking index can reach 800V and other original excellent performances of the polyester molding compound can be maintained so that the marbling polyester molding compound of the invention for appliances has good application prospect.

仿大理石花纹的聚酯模塑料及其制备方法

The molded polyester material with marble-like grain is prepared with unsaturated polyester, low-shrinkage additive, graded alumina hydrate, initiator, demolding agent, thickener, vinylon fiber, viscosity reducing agent and alkali-free cut glass fiber in certain proportion and through mixing. The molded polyester material has marble-like grains, is firm, and may be used in producing various individualized products and electric insulating products.

Lateral plate and cover plate connecting plug structure of breaker actuating mechanism

The invention relates to a lateral plate and cover plate connecting plug structure of a breaker actuating mechanism, comprising a pair of through round holes, a pair of agraffes and a pair of plugs. The through round holes extend one side of a left lateral plate and one side of a right lateral plate, the agraffes extend from one side of a cover plate; and the pair of through round holes of the left lateral plate and the right lateral plate are matched with the pair of agraffes of the cover plate through a pair of symmetric interchangeable plugs so that the cover plate can be limited and fixedby the lateral plate. After adopting the structure, the pair of plugs which are used as coupling transition connection pieces and have enough mechanical strength and matching accuracy can effectivelyprevent the cover plate from moving in any direction and absorbing the impact energy of the lateral plates in a pressing process so as to avoid the fatigue damage of the lateral plate and improve theworking ...

Boring location frock of motor end cover

The utility model discloses a boring location frock of motor end cover, comprising a base plate, be provided with a plurality of locating component on the bottom plate, locating component is including the location core, it has the through -hole to open corresponding to the position of work piece drilling in the periphery of location core, and fixes a position and install the screw rod on the core, install the quick lock nut who is used for work piece locking on the screw rod, quick lock nut goes up to open to have and reaches the mounting hole that is linked together with the screw hole with screw rod matched with screw hole, the screw hole is arranged perpendicularly, the mounting hole slope arranges that its contained angle with the screw hole is 10-20. The utility model discloses simple structure easily realizes, quick lock nut realizes quick installation through the mounting hole on it, realizes the locking of work piece having reduced the clamping time greatly through the screw hole ...

Copper braided wire and copper busbar connecting structure and technology of breaker moving contact system

The invention discloses a copper braided wire and copper busbar connecting structure and technology of a breaker moving contact system. The connecting structure comprises copper braided wires and a copper busbar, one end of the copper braided wires is connected with contacts, the other end of the copper braided wires is provided with hard block used for connection, connecting grooves whose amount corresponds to that of the copper braided wires are formed in the copper busbar, the hard blocks are clamped in the connecting grooves respectively, the depth of the connecting grooves is greater than that of the hard blocks, and material of the two sides of each connecting groove is wrapped by a riveting press and presses the hard blocks so that the copper braided wires are connected with the copper busbar. Thus, technology is simple, connection is reliable and stable and the cost is low.

Contact system for circuit breaker

The invention relates to a contact system for a circuit breaker and belongs to the technical field of low-voltage electrical power distribution apparatuses. The system comprises a group of parallel movable contact systems consisting of 16 movable contact blades, a stationary contact, a movable contact insulated support frame, a pair of fixing plates, a contact cap, a group of separate insulated clamping pieces, a rotary support shaft, a flexible conductor and a cylindrical conducting block, wherein a group of movable contact and stationary contact arranged in the movable contact insulated support frame cooperates to switch on and switch off a low-voltage power distribution circuit and act temperature raising, short-time tolerance capacity and short circuit current breaking capacity on current to be borne by the contact system in switching-on, breaking and running processes. The contact system has the advantages of improving the electric stability of the circuit breaker, enhancing the short-time ...

Elevator

The utility model provides an elevator, the on -line screen storage device comprises a base, be located the lift platform on the base, the scissors mechanism who connects base and lift platform, the drive unit that drive scissors mechanism opened and shut, enclose and establish the dustproof mechanism all around at scissors mechanism, dustproof mechanism is including installing the last tray on lift platform, install the lower tray on the base, the flexible dust cover that the upper end links to each other with last tray and the lower extreme links to each other with lower tray, it is equippedwith a plurality of strings of portions of holding to go up the tray, be equipped with down the corresponding pendant one by one with a plurality of strings of portions of holding on the tray, the pendant includes and hangs and hold a matched with couple, the fixed part on the tray under is installed in the cooperation, one side that the couple was kept away from to the fixed part is equipped with ...

Mold opening and closing control mechanism for compression mold

The invention discloses a mold opening and closing control mechanism for a compression mold. The control mechanism comprises an upper mold, a lower mold and a middle sleeve, wherein a pull rod for controlling the middle sleeve to move is arranged on the middle sleeve, a mounting plate is fixed on one side of the middle sleeve by matching with the pull rod, a fixing hole is formed in the mounting plate, a first photoelectric limiting switch and a second photoelectric limiting switch are fixed in the fixing hole at an interval, a limiting rod corresponding to the first photoelectric limiting switch and the second photoelectric limiting switch is fixed on the pull rod, and the first photoelectric limiting switch and the second photoelectric limiting switch are in communication connection with a compression mold control machine tool. According to the mold opening and closing control mechanism, the opening and the closing of the compression mold are controlled by virtue of the two photoelectric ...

Plastic compression mold opening device

The invention discloses a plastic compression mold opening device which comprises a base, wherein hydraulic ejection mechanisms are arranged at two sides of the base; the ejection end of each hydraulic ejection mechanism is connected with an ejector block; and a fixing part used for fixing a lower mold plate of a plastic compression mold is arranged on the base. According to the plastic compression mold opening device, when the plastic compression mold needs to be subjected to mold opening, the plastic compression mold is arranged on the base, the lower mold plate of the plastic compression mold is fixed by virtue of the fixing part, the hydraulic ejection mechanisms at two sides of the base are started, the ejector blocks are pushed to move upwards by virtue of the hydraulic ejection mechanisms, an upper mold plate of the plastic compression mold is ejected upwards by virtue of the ejector blocks so as to slowly separate the upper mold from the lower mold of the plastic compression mold ...

Quick cold die device

The utility model discloses a quick cold die device, it includes the frame, the frame comprises at least two -layer, all is provided with the loading board that is used for placing the forming on every layer of frame, the one end of loading board is provided with the locating piece, just the both sides correspondence of loading board is fixed with two at least adjustable active grabs, the forming place in reach plane size control through the active grab extrusion on the loading board. The stroke volume that above -mentioned quick cold die device only need adjust the active grab makes the clamp extrusion place the forming on the loading board to reach predetermined plane dimensional requirement, the staff need not to make a round trip to run and carries cold die, can realize that require and the forming of specification carries out cold die to the difference simultaneously, not only controllable adjustable, convenient nimble, the commonality is good, save space moreover and manpower resources ...

Multi-component machining fixture for machining centres

The invention discloses a multi-component machining fixture for machining centres. The multi-component machining fixture for machining centres comprises a bottom plate connected to a machining centre plane, wherein a plurality of grooves are opened in the bottom plate at intervals; a core rod for locating a component is arranged at the centre of each groove; an upper press plate for fixing the centre of the component is arranged at the top of the core rod; a side press plate for fixing the side edge of the component is arranged on the bottom plate by being corresponding to each groove. The multi-component machining fixture for machining centres above is capable of clamping a plurality of machined components on the bottom plate simultaneously to machine, and the central distance among the core rods only needs to be measured during a use process instead of centring the plurality of components, thus realizing the purpose of machining the components for a long time only by one time of clamping ...

Tripping device for adjustable transient characteristic of molded case circuit breaker

The invention discloses a tripping device for an adjustable transient characteristic of a molded case circuit breaker, which comprises the components of a mounting rack, a thermal component, a magnetic yoke, an armature, a fixed seat, a sliding seat and a spring. The thermal component and the magnetic yoke are mounted on the mounting rack. The fixed seat is fixed on the mounting rack at the side of the magnetic yoke. The armature is rotatably mounted on the fixed seat, wherein the sliding seat is arranged on the fixed seat through a spacing assembly. The sliding seat freely moves vertically along the fixed seat under the function of the spacing assembly. One end of the spring is connected with the top of the armature, and the other end is connected with the bottom of the sliding seat. The fixed seat is provided with an adjusting component which is used for adjusting the vertical position of the sliding seat. The tripping device can satisfy a requirement for adjusting the transient characteristic ...

Three-position signal acquiring device of drawout breaker

The invention provides a three-position signal acquiring device of a drawout breaker, which can accurately transmit a signal of a working state of the position in which a breaker is located. The device concretely comprises a base plate, a push plate, a shell and a locking plate, wherein the shell is installed on the base plate; the push plate is positioned on the shell; a fluctuating rod which moves along with the push plate is installed on the push plate and is in a V shape; an area which is movably covered by the fluctuating rod is provided with a plurality of state microswitches; each state microswitch is located in a position of a working state of the push of the corresponding push plate and comprises a connecting state microswitch W3, a separating state microswitch W1 and a test state microswitch W2; an area which is movably covered by the locking plate is provided with a locking state microswitch W0; and W1, W2 and W3 are respectively combined with W0 so that a transmission breaker ...

Positioning tool used for processing gear case end cover

The invention discloses a positioning tool used for processing a gear case end cover. The positioning tool comprises a bottom plate; the bottom plate is provided with a plurality of positioning components used for positioning workpieces; the positioning components comprise positioning cores arranged at the centers and pressing plates matched with the positioning cores; spring cases are symmetrically arranged at the two sides of the positioning cores; springs are installed in the spring cases; the springs are connected with self-positioning blocks; the self-positioning blocks are obliquely arranged and provided with bayonets which are matched with the corners of the workpieces. The positioning tool used for processing the gear case end cover provided by the invention is simple in structure and easily realized; the self-centering of workpieces can be realized through the obliquely arranged self-positioning blocks and the structures of the springs, and the workpieces are quickly positioned ...

Unlocking mechanism of draw-out circuit breaker

An unlocking mechanism of a draw-out circuit breaker is characterized in that after a lock head of a lock plate is inserted in a group of holes of a transmission screw rod, the transmission screw rod is prevented from rotating around an axis so as to lock the circuit breaker at the preset position in a draw-out frame, the indicating end of an operating knob drives a transmission rod to rotate a certain preset angle counterclockwise along the corresponding axis, after a cylindrical surface on the transmission rod rotates around the axis, the cylindrical surface on the transmission rod in a sliding hole of the lock plate drives the lock plate to laterally slide so as to lead the lock head to be separated from the hole of the transmission screw rod, when the lock plate moves towards the acting direction of a spring, one surface of the lock plate is blocked by one surface of a lock blade which is lifted upwards under the action of a pair of tension springs so as to lead the lock head of the ...

Plastic compression mould mold opening device

The utility model discloses a plastic compression mould mold opening device, it includes the base, wherein, the both sides of base all are provided with a hydraulic pressure ejection mechanism, hydraulic pressure ejection mechanism's ejecting end is connected with the kicking block, just be provided with the fixed part who is used for fixing the lower bolster of plastic compression mould on the base. Above -mentioned plastic compression mould mold opening device places the plastic compression mould on the base earlier when the plastic compression mould needs the die sinking to fixing the lower bolster of plastic compression mould through fixed part, then starting base both sides hydraulic pressure ejection mechanism, hydraulic pressure ejection mechanism promotes the kicking block rebound, makes progress the cope match -plate pattern of jack -up plastic compression mould through the kicking block and slowly separates the last mould and the lower mould of plastic compression mould, stops ...

A automatic control device for pressing cold die

The utility model discloses an automatic control device for pressing cold die, it includes the frame, the top of frame is provided with the workstation that is used for placing mould pressing cold die, a plurality of pressing of impressing in proper order on the mould pressing cold die, wherein, on the workstation in one side of mould pressing cold die is provided with the trigger member of corresponding pressing number, the equal communication connection of a trigger member time relay, trigger member control time relay began to press the setting -up time timing when mould pressing cold die was impressed to the pressing. Above -mentioned an automatic control device for pressing cold die places when cooling off on mould pressing cold die when the pressing, can trigger and touch parts, touches parts and makes it begin to reckon by time for the time relay signal that corresponds to not only guarantee the cool time of pressing and taken off the order, reduced scrapping of product, and the commonality ...

Safety isolating device of isolating valve of drawout breaker

The invention relates to a safety isolating device of an isolating valve of a drawout breaker, which comprises a mounting bus and a chassis of a connecting piece, wherein the opening position of the front part of the chassis is provided with baffles capable of transversely moving; two baffles are arranged and respectively relatively move; and each baffle is provided with a longitudinal jack which corresponds to the connecting piece; when the baffle moves to a certain position, the positions of the jack and the connecting piece deviate, thereby achieving the goal of isolating. The baffles are reset by tension springs after moving; and both ends of the baffles are provided with pull rods, and the baffles are driven to move by the pull rods. After the design is adopted by the safety isolating device, the connecting piece in the chassis can be effectively isolated from the outside after the breaker is moved out of a drawing frame, thereby ensuring the safety of the drawout breaker in the use ...

Multi-direction machining clamp for machining center

The invention discloses a multi-direction machining clamp for a machining center. The multi-direction machining clamp for the machining center comprises a bottom plate, one end of the bottom plate is connected with a Morse taper shank, and the other end of the bottom plate is connected with a flange plate. The bottom plate is provided with two positioning plates perpendicular to the bottom plate in parallel in a spaced mode, and the bottom plate between the two positioning plates is provided with a hole used for machining parts. The tops of the two positioning plates are respectively provided with a pressing device used for limiting the parts, the position, placed on one sides of the two positioning plates, of the bottom plate is provided with a side plate, and the inner side face of the side plate is provided with a positioning convex edge used for positioning the parts. At lest one of the two positioning plates is provided with a fastening screw, the fastening screw penetrates through ...

Elevating platform from folding bracing piece in area

The utility model discloses an elevating platform from folding bracing piece in area, including base, top platform and set up in the base with be used for between the platform of top promoting or reducing the lifting unit of top platform height the base or top bench pivoted is provided with an at least folding bracing piece, when the top platform promotes to a take the altitude, folding bracing piece rotates to support position put and right the top platform forms and supports, the pivoted is provided with and rotates folding bracing piece on the elevating platform, and it can form the top platform after promoting and support to ensure that the elevating platform can bear great load, and because folding bracing piece pivoted is connected at base or top bench, can effectually prevent the loss of folding bracing piece.

Armature insulation paper scroll unrolling device

The invention discloses an armature insulation paper scroll unrolling device which comprises a connecting rod, a fixing plate, a shaft, a paper unrolling wheel and a magnetic adjusting device. The fixing plate is fixed to one end of the connecting rod, the magnetic adjusting device is arranged on the connecting rod, a step part is arranged in the middle of the shaft, the magnetic adjusting device is rotatably mounted on the shaft on one side of the step part, the paper unrolling wheel is rotatably mounted on the shaft of the other side, a nut is mounted at the shaft end for limiting, the magnetic adjusting device comprises a shell arranged on the connecting rod, a bearing is arranged between the shell and the shaft, a gear mounted on the shaft is arranged in the shell, and a plurality of magnets are arranged on the inner wall, corresponding to the gear, of the shell. According to the armature insulation paper scroll unrolling device, in the paper unrolling process, the pulling speed is ...

A trip gear that is used for adjustable wink dynamic characteristic of moulded case circuit breaker

The utility model discloses a trip gear that is used for adjustable wink dynamic characteristic of moulded case circuit breaker, it includes mounting bracket, thermal element, yoke, armature, fixing base, sliding seat and spring, thermal element and yoke install in on the mounting bracket, on the mounting bracket in one side of yoke is fixed with the fixing base, armature rotationally set up in on the fixing base, wherein, be provided with the sliding seat through spacing subassembly on the fixing base, fixing base free activity is from top to bottom followed to the sliding seat under the effect of spacing subassembly, the one end of spring connect in the top of armature, the other end connect in the bottom of sliding seat, be provided with on the fixing base and be used for adjusting the sliding seat adjustment Assembly of position from top to bottom. Above -mentioned trip gear can make under the staff need not dismantle the prerequisite of switch, only need just can reach the regulation ...

Drop-proof single-breakpoint contact operating mechanism

The invention discloses a drop-proof single-breakpoint contact operating mechanism which comprises a rotating shaft and a moving contact. The rotating shaft includes an accommodating chamber which penetrates the whole rotating shaft, the accommodating chamber is internally provided with a first fixed pin and a second fixed pin, one end of the moving contact is rotatably arranged on the first fixed pin, the second fixed pin is sleeved with a contact torsion spring, the moving contact is provided with a projection portion with a smooth curved surface, a movable pin is fixed to the projection portion, one end of the contact torsion spring is connected to the rotating shaft, the other end of the contact torsion spring abuts against the movable pin, and the rotating shaft is provided with a limiting projection. The drop-proof single-breakpoint contact operating mechanism can prevent the contact from moving from the opening position to the closing position with decrease of electrodynamic force ...

Linkage self-locking device of drawout breaker isolating door safe isolating device

The invention relates to a linkage self-locking device of a drawout breaker isolating door safe isolating device, which comprises a slide rail and a bracket, wherein the slide rail is fixed to the side surface of a baffle plate; the bracket is fixed to the slide rail; a slide block is installed on the bracket and can slide up and down in the bracket; a transverse slide groove is arranged on the bracket, and a pull rod which can transversely move back and forth is installed in the slide groove; a slide groove which is interlaced with the transverse slide groove is arranged on the slide block and is in an inclined shape, and both ends of the slide groove are provided with vertical and longitudinal grooves playing a locking role; and the pull rod simultaneously penetrates through the slide grooves. By adopting two shafts or a rectangular slide block, the slide block can carry out the process of up-and-down slide on the bracket, and the longitudinal stability of the slide block is ensured; ...

A two -sided spot facing work anchor clamps is placed restrictions on to motor

The utility model discloses a two -sided spot facing work anchor clamps is placed restrictions on to motor, including connecting the carousel, it is connected with central revolving axle to connect carousel below center, the center revolving axle is connected with driving motor, connection carousel top is fixed with and is used for fixing at the fixing device who connects carousel central authorities placing restrictions on the piece, fixing device includes side shield, side guide, roof pressure board, bottom baffle, top board and lower baffle, side shield, bottom baffle and lower baffle are all fixed on connecting the carousel, side guide, roof pressure board and top board pass through that the screw is adjustable to be fixed on connecting the carousel, a two -sided spot facing work anchor clamps is placed restrictions on to motor, once the processing of placing restrictions on a dual hole can be accomplished in the location, has eliminated double -layered dress error, has improved the ...

Compression mold with insert protection function

The invention discloses a compression mold with an insert protection function. The compression mold comprises an upper mold plate, an upper mold fixing plate, an upper mold, a lower mold plate, a lower mold fixing plate and a lower mold. The upper mold fixing plate is arranged below the upper mold late, the upper mold is arranged at the bottom of the upper mold fixing late, the lower mold fixing plate is arranged above the lower mold plate, the lower mold is arranged in the lower mold fixing plate relative to the upper mold, a plurality of lower cores are arranged in the lower mold, inserts with insert holes are arranged on the tops of the lower cores, and gaskets which are used for blocking the insert holes are arranged on the tops of the inserts. The compression mold with the insert protection function has the advantages that materials in molten states cannot flow into the insert holes after the materials are added into mold cavities of the compression mold and the mold is closed, and ...

Marbling polyester molding compound for medium-high voltage appliances and preparation method thereof

The invention discloses a marbling polyester molding compound for medium-high voltage appliances and a preparation method thereof and relates to the field of composite insulating materials. The polyester molding compound is prepared by a new process which adopts packing material in various classes of grain diameter on the main structure of common marbling polyester molding compound and combines with new fibre material and other auxiliary materials. The power frequency dielectric strength can reach above 25kV/mm, the electric arc resistance index can reach above 200S, the proof tracking index can reach 800V and other original excellent performances of the polyester molding compound can be maintained so that the marbling polyester molding compound of the invention for appliances has good application prospect.

Non-ignitable SMC polyester moulding compound for rail transit and preparation method thereof

The invention discloses a non-ignitable SMC polyester moulding compound for rail transit and preparation method thereof. The non-ignitable SMC polyester moulding compound is prepared by the following materials: 50 to 70 parts by weight of unsaturated polyester resin, 30 to 50 parts by weight of low profile additive, 5 to 8 parts by weight of viscosity depressant, 4 to 6 parts by weight of impregnating compound, 8 to 10 parts by weight of liquid pigment, 0.5 to 1.5 parts by weight of curing agent, 0.1 to 0.3 parts by weight of inhibitive substance, 4 to 6 parts by weight of diluting agent, 385 to 420 parts by weight of filler material, 1 to 3 parts by weight of idling thickening agent and 90 to 120 parts by weight of chopped glass fiber. The invention adds a great amount of aluminium hydroxide treated by graduation and adds viscosity depressant and processing adding agent in definite proportion to control system viscosity, liquidity and release property, and then thickening agent is added ...

Circuit breaker moves contact system's copper establishment line and female connection structure of arranging of copper

The utility model discloses a circuit breaker moves contact system's copper establishment line and female connection structure of arranging of copper, this connection structure include that copper establishment line and copper mother arrange, the contact is connected to the one end of copper establishment line, and the other end is provided with and is used for the gelosis connected, the correspondence has been seted up on the female row of copper the spread groove of copper establishment line radical, the gelosis card in in the spread groove, wherein, the groove depth of spread groove is greater than the height of gelosis, the female material of going up every spread groove both sides of arranging of copper is riveted the device parcel and is pushed down through the pressure the gelosis is drawed up the line with copper and is connected with female the arranging of copper. Above -mentioned circuit breaker moves contact system's copper establishment line and female connection structure ...

Motor middle cover punching clamp

The invention discloses a motor middle cover punching clamp. The motor middle cover punching clamp comprises a base plate, wherein a plurality of positioning mechanisms are arranged on the base plate; each positioning mechanism comprises a positioning core, a central pressing plate, a positioning pin and a spring fastening box; a middle cover sleeves the Sony Ericsson positioning core and is fixed on the base plate by the central pressing plate; the positioning pin for positioning the angle of the middle cover is fixed on the base plate; the spring fastening box for pressing the middle cover on the positioning pin is fixed on the base plate above the positioning pin; the spring fastening box comprises a baffle, a spring and a push rod; the spring is connected to the baffle which is fixed on the spring fastening box; the other end of the spring is connected with the push rod. The motor middle cover punching clamp is accurate in positioning, capable of positioning a plurality of middle covers ...

Quick cold mould device

The invention discloses a quick cold mould device. The quick cold mould device comprises a frame with at least two layers, each layer of the frame is provided with a bearing plate for placement of molded parts, a positioning block is arranged at one end of each bearing plate, at least two adjustable quick clamps are correspondingly and fixedly arranged on two sides of each bearing plate, and the molded parts are placed on the bearing plates and extruded by the quick clamps to realize plane size control. The clamps are enabled to extrude the molded parts on the bearing plates only by adjusting strokes of the quick clamps, predetermined plane size requirements can be met while workers do not need to move back and forth for transporting cold moulds, and cooling of the molded parts different in requirements and specifications can be realized. Moreover, the quick cold mould device has the advantages of controllability, adjustability, convenience, quickness, flexibility, high universality and ...

Utensil inserts protect function's compression tool

The utility model discloses an utensil inserts protect function's compression tool, it includes cope match -plate pattern, upper fixing plate, goes up mould, lower bolster, lower mould fixed plate and lower mould, upper fixing plate set up in the below of cope match -plate pattern, go up the mould set up in upper fixing plate's bottom, the lower mould fixed plate set up in the top of lower bolster, the lower mould for last mould set up in in the lower mould fixed plate, wherein, be provided with a plurality of roots core down in the lower mould, the top of core all sets up the inserts that has the inserts hole down, the top of inserts is provided with the gasket that is used for plugging up the inserts hole. Material above -mentioned utensil inserts protect function's compression tool adds the material in the die cavity after, when the mould is closed, with regard to not getting into the state of dissolving that melts in the inserts hole to waste material just need not get rid of the hole ...

Double-faced hole machining clamp of motor limiting piece

The invention discloses a double-faced hole machining clamp of a motor limiting piece. The double-faced hole machining clamp comprises a connection rotary table, wherein the lower center of the connection rotary table is connected with a central rotary shaft; the central rotary shaft is connected with a driving motor; a fixing device for fixing the limiting piece at the center of the connection rotary table is fixed above the connection rotary table; the fixing device comprises a side baffle, a side pressing plate, a top pressing plate, a bottom baffle, an upper pressing plate and a lower baffle; the side baffle, the bottom baffle, and the lower baffle are fixed on the connection rotary table; the side pressing plate, the top pressing plate and the upper pressing plate are adjustably fixed on the connection rotary table through screws. The double-faced hole machining clamp of the motor limiting piece can finish the machining of a double-faced hole of the limiting piece by primary positioning ...