Top comb clamping device for combing machine

The invention discloses a top comb clamping device for a combing machine. The top comb clamping device for the combing machine is characterized in that the clamping device comprises a concave spherical washer, a spherical washer, a cap nut and a flat washer, wherein the concave spherical washer, the spherical washer and the flat washer are sequentially arranged on an air cylinder pull rod in a sleeved mode, the cap nut is fastened to the top of the air cylinder pull rod, the concave spherical washer is made of nylon, and the spherical washer and the flat washer are made of rubber. According to the top comb clamping device for the combing machine, the position can be automatically regulated, the clamping device is stressed evenly, clamping force on a top comb is effectively guaranteed, and the top comb is prevented from fleeing out.

Impurity removing device provided with bridge type magnet

The invention discloses an impurity removing device provided with a bridge type magnet. The impurity removing device is installed a fiber transportation pipeline and comprises a casing and a magnet plate. The casing is vertically arranged and of a barrel-shaped structure opened vertically, and the middle of the casing is bent to be in a horizontal V shape. An outer-side upper inclining side plate and an inner-side lower inclining side plate of the V-shaped portion of the casing are provided with openings, and the magnet plate covers the openings. An outer-side lower inclining side plate of the V-shaped portion of the casing is provided with an impurity outlet. The outer side of the outer-side lower inclining side plate of the V-shaped portion of the casing is further provided with an impurity collecting cover. The impurity collecting cover is of a bent triangular dustpan-shaped structure and covers the impurity outlet, the upper end of the impurity collecting cover is fixedly connected ...

Waste heat utilization device for air compressor

The invention discloses a waste heat utilization device for an air compressor. The waste heat utilization device comprises the air compressor, a humidifier and a heating water tank. A waste hot air outlet of the air compressor, a hot air inlet of the humidifier and a hot air inlet of the heating water tank are respectively formed in the air compressor, the humidifier and the heating water tank; the waste hot air outlet of the air compressor is respectively communicated with the hot air inlet of the humidifier and the hot air inlet of the heating water tank. The waste heat utilization device has the advantages that waste heat of the air compressor is smartly combined with the humidifier and the heating water tank, so that abandoned heat energy can be effectively utilized, energy sources can be recycled, energy can be saved, environments can be protected, and the heat of the air compressor can be sufficiently dissipated.

Distribution box

The utility model relates to a distribution box, including the box, the box inner wall is equipped with a set of installation roof beam, the box comprises last roof, lower plate, both sides board and backplate, goes up the roof and distributes in the upper and lower both sides of backplate with the lower plate, and the both sides board distributes in the left and right sides of backplate, last roof, lower plate, both sides board respectively with backplate integrated into one piece, the edge of going up roof and lower plate still respectively with the corresponding side of both sides board along linking firmly. The utility model discloses reducible welded work load has improved production efficiency greatly, improves distribution box's size precision. In the configuration of welding personnel, only singly individual welding machine can. The utility model discloses the components and parts that can install as required carry out rational arrangement of, nimble installation, make full use ...

Copper bar wire connector

The invention relates to a copper bar wire connector which comprises a connector body. The connector body is provided with a groove allowing the side of a copper bar to penetrate, and the connector body is in a U shape. The width of the groove is larger than or equal to the thickness of the copper bar. A wire compression joint device is arranged on at the position, on one side of the groove, in the connector body, and a copper bar abutting device is arranged at the position, on the other side of the groove, in the connector body. A space for clamping a wire is formed between the wire compression joint device and the copper bar. The copper bar abutting device is in contact with the copper bar. After the copper bar wire connector is connected, under the condition that the side of the copper bar is inserted into the connector, the breakover of the copper bar and the wire can be guaranteed, and a cable is effectively guided out of the copper bar without punching.

Detector for matching degree and dimension of automobile glass

The invention relates to a detector for matching degree and dimension of automobile glass. The detector for the matching degree and the dimension of the automobile glass comprises a gauge bottom plate (1), lifting lugs (2) arranged at four corners of the bottom plate, a gauge epoxy tooling board body (5), a snapping board (4) for fixing the glass and snapped onto the gauge epoxy tooling board body (5), the detector for the matching degree and the dimension of the automobile glass further comprises a zero calibration block (3), three positioning bases arranged on the periphery of the gauge epoxy tooling board body (5), a detection positioning block (13), dial indicators (10), a matching degree detecting block (11) and a dimension detecting block (12), and the matching degree detecting block (11) and the dimension detecting block (12) are both provided with the dial indicators (10). Compared with the prior art, the detector for the matching degree and the dimension of the automobile glass ...

Electronic gauge for automatically detecting vehicle sunroof assembly glass

The invention relates to an electronic gauge for automatically detecting vehicle sunroof assembly glass. The electronic gauge comprises a computer, a foot valve, a cast-aluminum base plate, a centering mechanism mounted on the cast-aluminum base plate, a clamping and positioning block, a sliding plate mechanism, a buffer, a limiting block and an electronic sensor. The foot valve controls to-be-detected vehicle sunroof assembly glass to be put into the centering mechanism and the sliding plate mechanism after loosening of the centering mechanism and the sliding plate mechanism, and controls closing of the centering mechanism which is then clamped and limited by the clamping and positioning block; the sliding plate mechanism slowly approaches the limiting block through the buffer under the drive of an air cylinder to complete positioning; the electronic sensor senses fitting degree and product dimension of the outer surface of the vehicle sunroof assembly glass through contact, and transmits ...

Strenghthened type copper bar support piece

The utility model relates to a strenghthened type copper bar support piece, strenghthened type copper bar support piece, including the rectangle backplate, still include by the wherein three side of the rectangle backplate folded plate of bending perpendicularly and forming with one side to the backplate, the folded plate is including two curb plates and the bottom plate that are parallel to each other, the bottom plate is equipped with a brace table with the department's of bending intermediate position of backplate, the brace table is bent by bottom plate and backplate and is located punching press formation. The utility model discloses simple structure, production and processing convenience, the structure that the brace table that increases formed the strengthening rib has realized that support piece intensity improves greatly, can satisfy the operation requirement under the various condition.

Synchronous grouting material capable of preventing duct piece from floating upwards and application of synchronous grouting material

The invention discloses a synchronous grouting material capable of preventing a duct piece from floating and a preparation method of the synchronous grouting material, and aims to solve the technical problems that the actual operability of synchronous grout grouting at the present stage is poor, and floating of the duct piece is difficult to control. The synchronous grouting material is prepared from a solution A and a solution B, the solution A comprises cement, sand, fly ash, bentonite and water, and the solution B is an aqueous solution of polyacrylamide with the molecular weight of 8-12 million. The synchronous grouting material prepared by the method is small in volume shrinkage and small in bleeding rate after being solidified, can be obviously and effectively controlled aiming at the problem of floating of duct pieces, and can save a large amount of cost, reduce process conversion, reduce personnel allocation, reduce material types, shorten process time and improve shield tunneling ...

Construction methods for modularized secondary connector assembly and drawer chest secondary connector assembly

The invention relates to a modularized secondary connector assembly and construction methods for secondary connector assemblies. The secondary connector assembly comprises a dynamic connector assembly and a static connector assembly, wherein the dynamic connector assembly and the static connector assembly respectively comprise connector assembly frames, and the connector assembly frames of the dynamic connector assembly and the static connector assembly are arranged opposite to each other; each connector assembly frame is provided with a first mounting plate and a second mounting plate which are parallel to each other; a space used for accommodating an interface module, a contact point module or a connector assembly module is formed between the first mounting plate and the second mounting plate; the interface module, the contact point module or the connector assembly module is respectively connected with the first mounting plate and the second mounting plate in a clamping manner. The method ...

Female modularization mounting panel of arranging of low -voltage cabinet owner

The utility model relates to a female modularization mounting panel of arranging of low -voltage cabinet owner, including main female mounting plate that arranges, the last main female mounting hole of arranging of nine groups that is equipped with of mounting plate, every group contains the mounting hole of three vertical parallel. The utility model discloses an unified specification mounting plate has made things convenient for the overlap joint between arranging and arranging, has realized the sclausura overlap joint of copper bar, and is convenient. The female system unification of arranging of novel modular owner uses 1040 copper bars, through every panel number that increases mutually, realizes the electric current grade that corresponds. Simple to operate, efficiency improve, save material.

Bridge type magnet

The invention discloses a bridge type magnet. The bridge type magnet comprises a shell, an impurity collection cover and magnet bodies, wherein the shell is in a horizontal V-shaped structure; two sets of magnet bodies are arranged on the front surface of an upper inclined plane and a rear surface of a lower inclined plane of the shell; the impurity collection cover is arranged on the front surface of the upper inclined plane. The further improvement is that the impurity collection cover is a triangular dustpan-shaped box body; an observation window is arranged in front of the impurity collection cover and a pulling plate impurity outlet for taking impurities out is formed below the impurity collection cover. According to the bridge type magnet, iron impurities in cotton flow can be removed and non-metal impurities and part of metal impurities can also be removed; equipment used in a next procedure is protected effectively and the consumption is reduced.

Anti-burnout junction box in photovoltaic system

The invention discloses an anti-burnout junction box in a photovoltaic system, which comprises a shell and two connectors, and is characterized in that the two connectors are respectively arranged on two sides of the shell; the number of the diodes is two, and the two diodes are both arranged in the shell; the invention discloses an anti-burnout junction box in a photovoltaic system, which comprises a shell, a diode, functional wiring units and a plurality of connecting wires, the diode is arranged in the shell, the functional wiring units are arranged in the shell, the connecting wires are arranged in the shell and are respectively connected with the diode and the functional wiring units, and the anti-burnout junction box in the photovoltaic system is different from the prior art. By means of the functional wiring unit, a worker can switch a circuit when the circuit is heated during use, so that the circuit is prevented from being burnt, and when the connection position of the circuit ...

Hole-free wire connection method for copper bar

The invention relates to a hole-free wire connection method for a copper bar. The method includes: step one, respectively mounting a wire pressing device and a copper bar butting device in a connector body to complete assembly of the copper bar and wire connector; step two, inserting the lateral side of the copper bar into a groove of the connector body, using the wire pressing device to press a wire to the surface of one side of the copper bar to enable communication between the wire and the copper bar; meanwhile, enabling the copper bar butting device to contact with the surface of the other side of the copper bar to clamp the copper bar in the groove of the connector body. By adoption of the hole-free wire connection method for the copper bar, communication between the wire and the copper bar can be guaranteed under the condition that the lateral side of the copper bar is inserted in the connector, and accordingly leading the wire out of the copper bar under the hole-free condition can ...

Method for recovering and treating waste liquid generated during 4-cyano benzyl chloride production

The invention relates to a method for recovering and treating waste liquid generated during 4-cyano benzyl chloride production. The method comprises the following steps of: firstly adding water and zinc chloride to industrial waste liquid generated during the production process of 4-cyano benzyl chloride used as the raw material of fluorescent brightener ER-II, carrying out hydrolysis reaction, cooling and filtering an upper-layer product to obtain a crude product A of 4-cyano benzaldehyde, and adding a glacial acetic acid aqueous solution and methenamine to a lower-layer oil product for oxidation reaction to obtain a crude product B of 4-cyano benzaldehyde; and purifying the crude products, heating and refluxing, cooling and crystallizing and drying to obtain the finished 4-cyano benzaldehyde product. The method provided by the invention solves the problem of large occupation area of the industrial waste liquid and prevents environmental pollution caused by the industrial waste liquid; ...

Method for recovering and treating waste liquid generated during 4-cyano benzyl chloride production

Synthesis process of PARP inhibitor fluzopanb intermediate

The invention discloses a process method suitable for large-scale preparation of 2-trifluoromethyl [1,2,4]triazolo[1,5-a] pyrazine, and belongs to the field of drug intermediate synthesis, wherein 2-aminopyrazine and ethyl trifluoroacetate are used as raw materials, and a transesterification reaction, a substitution reaction and a dehydration reaction are performed to obtain 2-trifluoromethyl [1,2,4]triazolo[1,5-a] pyrazine. According to the process disclosed by the invention, cheap ethyl trifluoroacetate is selected to replace expensive trifluoroacetic anhydride, other organic solvents replace a first-class solvent dichloroethane, and TFFA replaces PPA which is difficult to post-treat, so that the production cost of existing biological, medical and chemical intermediates is greatly reduced, amplification verification is conducted on the kilogram-level scale of the process, the yield and the product purity are basically equivalent to those of the gram-level scale, and the process is expected ...

Switch board hinge

The utility model relates to a switch board hinge, the on -line screen storage device comprises a base, turning block and pin, the base joint is on the door plant of switch board, the base is connected and is formed the revolute pair through pin and turning block, the base includes the base plate, a side of base plate extends the extension board, the base plate is fixed with a pair of fixed block, the fixed block is " Z " font, " Z " font is including the last connecting block and lower connecting block that link to each other, the connecting block is fixed in on the base plate down, it forms the draw -in groove to go up between connecting block and the base plate, the connecting block is equipped with the pinhole near the one end of extension board down, the central line of pinhole is in same straight line, the turning block includes the fixed plate, and a side of fixed plate extends the connecting plate, and the connecting plate is equipped with the connection pinhole that the supply ...

Fastener opening and closing checking tool for simulation assembly of fastener

The invention relates to a fastener opening and closing checking tool for simulation assembly of a fastener. The checking tool comprises a fixed base, two opening and closing simulation blocks, a compression spring and a connecting rod. The two opening and closing simulation blocks are rotatably connected to the fixed base respectively. The upper end of each opening and closing simulation block is provided with a clamping opening. The clamping openings in the two opening and closing simulation blocks define a clamping port for the fastener to be tested. The compression spring is arranged between the two opening and closing simulation blocks and used for separating the two opening and closing simulation blocks when in a natural state. The connecting rod comprises a thick rod section and a thin rod section, wherein an abutting surface is formed at the joint between the thick rod section and the thin rod section; the tail end of the thick rod section is connected with a rotary handle, and ...

Drawing frame cradle compressing sleeve bushing

The invention discloses a drawing frame cradle compressing sleeve bushing which is characterized in that the drawing frame cradle compressing sleeve bushing is arranged on the outer diameter of a compressing shaft in a sleeved mode and is pressed into an inner hole of a compressing sleeve, the drawing frame cradle compressing sleeve bushing is made of nylon, the outer diameter of the drawing frame cradle compressing sleeve bushing is in interference fit with the inner hole of the compressing sleeve, and the inner diameter of the drawing frame cradle compressing sleeve bushing is in clearance fit with the outer diameter of the compressing shaft. The drawing frame cradle compressing sleeve bushing is simple in structure, convenient to replace and resistant to wear and obviously prolongs service life of a drawing frame cradle compressing mechanism.

Unpowered decomposer for roving tail yarns

The invention discloses an unpowered decomposer for roving tail yarns. The unpowered separator comprises a roving tail-yarn tube, a front roller, a tail-yarn decomposing tube, a connecting hose and a negative-pressure bellows. The roving tail-yarn tube is arranged on a hanging spindle of a spinning frame, and the negative-pressure bellows is a tail bellows for spinning. The tail-yarn decomposing tube is disposed on a lathing face, the tail end of the tail-yarn decomposing tube is connected with the connecting hose, and the other end of the connecting hose is positioned in the negative-pressure bellows. Tail yarns on the roving tail-yarn tube enter the tail-yarn decomposing tube through dragging by the front roller. Further improvements include that the tail-yarn decomposing tube is composed of a tail-yarn sucking tube, a seal ring and a decomposing tube; the tail-yarn sucking tube is inserted into the decomposing tube, and the tail-yarn sucking tube is connected with the decomposing tube ...

Hollow blade preparation device and hollow blade preparation method

The invention provides a hollow blade preparation device and a hollow blade preparation method, and relates to the technical field of casting molding.A floating stopper is placed in a pouring cup, a molding cavity is sealed through the floating stopper before pouring, and melt cannot directly enter the molding cavity under the action of the floating stopper during pouring; after a certain molten pool is formed, the molten pool enters a forming cavity from a side pouring gate, after the liquid level reaches the position of the floatable stopper, the floatable stopper floats upwards under the action of the buoyancy of the melt, and the melt at the top can feed a thick tenon, so that direct scouring of the melt to a ceramic core in the pouring process of the large-size directional solidification blade is avoided, and the casting quality of the large-size directional solidification blade is improved. Meanwhile, the problem that a thick and large tenon is fed by a top melt with enough volume ...