Permanent magnetism direct current double power motor

The utility model discloses a permanent magnetism direct current double power motor, including motor front end housing, first brush, second brush, commutator contactor, commutator adapter, first brush support body, second brush support body, rotor winding, motor shell, motor spindle and motor rear end cap, the commutator contactor has first commutator segment and second commutator segment, the commutator adapter has first conducting strip and second conducting strip, double power's application has prolonged the life of motor, commutator contactor and brush can be installed at motor shell outsidely, with end cap seal before the motor, need not dismantle motor shell like this when commutator contactor and brush wear and just can change, and the maintenance of motor is more convenient, reduce the cost.

Harvester

The invention relates to a harvester. The harvester is characterized by comprising a power mechanism, a deep digging and advancing mechanism and a conveying mechanism, which are sequentially connected, wherein the power mechanism adopts a farm tractor as a power source and mainly comprises a hydraulic speed variation station, an upper support arm, a main shaft and a lifting cylinder; the deep digging and advancing mechanism mainly comprises a spiral push disk, a lower support arm, a support plate, a main chain, a U-shaped cutter, a duplex chain, a main chain output shaft, spiral cutter blades, a connecting plate, a first-level drive chain output shaft and a first-level drive chain, wherein the lower support arm, the support plate, the connecting plate and the upper support arm form a frame of the harvester; and the conveying mechanism mainly comprises a second-level drive chain, a second-level drive chain output shaft, a conveying chain, a guide support plate, vibration wheels and a conveying ...

Low-temperature heat-sealing polypropylene film and preparation method thereof

The invention discloses a low-temperature heat-sealing polypropylene film and a preparation method thereof. The film consists of a corona layer, an intermediate layer and a heat-sealing layer, wherein the heat-sealing layer consists of metallocene three-element blocking polypropylene and a slip agent, and the weight ratio of the metallocene three-element blocking polypropylene to the slip agent is 100 to between 0.5 and 1.5. The preparation method comprises the following steps in turn: a step of extrusion, a step of cooling setting of a flow casting station, a step of thickness measurement, a step of swing, a step of corona and a step of edge cutting. Compared with the prior art, the low-temperature heat-sealing polypropylene film reaches a low heat-sealing temperature by utilization of metallocene PP resin materials in the heat-sealing layer of the film and can not be deformed and curled and has good transparency after being compounded with a BOPP printing film.

Electricity transmission device for intelligent serried shelf

The invention discloses an electricity transmission device for an intelligent serried shelf. The electricity transmission device comprises an H-shaped beam, a plurality of insulating columns, two guide rails, four pressure plates, an insulating sleeve, two springs, two tension springs, two wiring blocks, two graphite rods and two copper sleeves. The electricity transmission device for the intelligent serried shelf provided by the invention is arranged between the top surface of the serried shelf and a ceiling, thereby overcoming the defects of high requirement on insulating property and construction base, low safety, high construction cost and the like caused by arranging the conventional electricity transmission device of the serried shelf on the ground, and having the advantages of simple construction, high safety, reliability and space utilization rate, low construction cost, convenience for detection and maintenance and the like.

Hard alloy large pipe drawing mold and preparation method

The invention provides a hard alloy large pipe drawing mold and a preparation method. The hard alloy large pipe drawing mold comprises the following raw material ingredients in percentage by weight: 14 to 20 percent of cobalt with a particle size of 1.0 to 3.0mu m, and the balance of tungsten carbide with a particle size of 4 to 5mu m. The preparation method comprises: raw material preparation, wet milling, drying, pressing, forming agent removal and sintering, wherein in the drying step, wax or butadiene rubber is used as the forming agent; the drying with the wax as the forming agent is spray drying; the forming agent remove is performed in a dewaxing and sintering integrated furnace or bell-type furnace; and the sintering is pressure sintering, and during the sintering, the temperature is raised within 11 to 13 hours till a liquid phase of the product appears, then about 40 mbars of high-purity argon is introduced into the furnace till the final sintering temperature of 1,390 to 1,400 ...

Low-temperature heat-sealing polypropylene film and preparation method thereof

The invention discloses a low-temperature heat-sealing polypropylene film and a preparation method thereof. The film consists of a corona layer, an intermediate layer and a heat-sealing layer, wherein the heat-sealing layer consists of metallocene three-element blocking polypropylene and a slip agent, and the weight ratio of the metallocene three-element blocking polypropylene to the slip agent is 100 to between 0.5 and 1.5. The preparation method comprises the following steps in turn: a step of extrusion, a step of cooling setting of a flow casting station, a step of thickness measurement, astep of swing, a step of corona and a step of edge cutting. Compared with the prior art, the low-temperature heat-sealing polypropylene film reaches a low heat-sealing temperature by utilization of metallocene PP resin materials in the heat-sealing layer of the film and can not be deformed and curled and has good transparency after being compounded with a BOPP printing film.

Preparation method of hard alloy using nickel-aluminum intermetallic compound Ni3Al as bonding phase

Book shelf with seats and ladders

The invention provides a book shelf with seats and ladders. The book shelf comprises two side plates, a plurality of partition plates and a plurality of stool and ladder plate composite structures, wherein, each stool and ladder plate composite structure comprises a flat plate, a pin, a U-shaped plate and a ribbed plate, and the U-shaped plate is arranged below the bottom surface of the partition plate; the middle part of one end of the flat plate protrudes to form a connecting rod; the pin runs through the U-shaped plate and the flat plate so as to connect the U-shaped plate with the flat plate together; and the ribbed plate consists of a top plate, a back plate and two side plates, the top plate is horizontally arranged on the lower end surface of the U-shaped plate, the back plate is fixed on the inside surfaces of the side plates and the upper end of the back plate is connected with the rear end of the top plate, and the two side plates are oppositely and vertically arranged on two ...

Anti-tilting device for compact shelving

The invention relates to an anti-tilting device for a compact shelving, which comprises an underframe, two side plates, two follower wheels and an I-shaped rail. The bottom surface of the underframe is fixed on the top surface of the compact shelving; the lower parts of the two side plates are fixed outside two side faces of the underframe; the I-shaped rail comprises a rail head, a rail web and a rail base, the rail head is arranged on a ceiling, and the lower part of the I-shaped rail extends to a space between the two side plates; and the two follower wheels are arranged on the inner sides of the tops of the two side plates, and the lower end of each follower wheel is in contact with the surface the rail base positioned on two sides of the rail web. In the anti-tilting device for the compact shelving, the upper end of the compact shelving cannot tilt due to the clamping action of the two follower wheels to the I-shaped rail on the ceiling, and thus, the stable state of the compact shelving ...

Hard alloy with iron-aluminum intermetallic compound as main binding phase and preparation method of hard alloy

The invention discloses a hard alloy with an iron-aluminum intermetallic compound FeAl or Fe3Al as a main binding phase, cobalt as a secondary binding phase, and tungsten carbide and/or titanium carbide and Cr3C2 as a hard phase, and the preparation method of the hard alloy comprises the steps in sequence of: uniformly mixing iron powder and aluminum powder with WC and/or TiC powder based on the component ratio of Fe40Al or Fe28Al; under a non-oxidative atmosphere, heating, preserving heat and cooling to obtain a mixture of WC and/or TiC and FeAl or Fe3Al; grinding and crushing the mixture to obtain the mixed powder of WC and/or TiC and FeAl or Fe3Al with the grain size below 120 microns; carrying out deoxygenization pretreatment; wetly grinding and mixing cobalt powder and Cr3C2 powder having certain mass ratio with the balance of the mixture powder of WC and/or TiC and FeAl or Fe3Al; spray drying and compacting to obtain a green compact; and subjecting the green compact to liquid phase ...

Bidirectional cement-soil mixing pile machine

The invention relates to a bidirectional cement-soil mixing pile machine, which comprises a power source, a transmission mechanism, a bit body and a frame, and is characterized in that the power source comprises a single motor and a reducer which are in mechanical connection in turn, a motor flange, a coupling and a grout injection connector, and the single motor and the reducer are hoisted on the frame; the transmission mechanism comprises a gear box, a main shaft vertically arranged in the gear box, a half shaft sleeved on the lower part of the main shaft, an external sleeve shaft sleeved outside of the half shaft, and a left intermediate shaft and a right intermediate shaft parallel to the main shaft; and the bit body comprises an inner shaft, an inner bit and an outer bit. The pile machine only adopts one motor to drive, uses structural characteristics of gear transmission and kinematic principle, realizes the diversion and mergence of transmission speed and routes and the change of ...

Method for producing and packaging perlite acoustic boards

The invention discloses a method for producing and packaging perlite acoustic boards. The method includes the following process steps of (1) performing compression molding: subjecting perlite mixed materials to impact molding by using a hydraulic punching machine; (2) performing baking: performing baking at the temperature of 200 DEG C using a tunnel type microwave drying machine; (3) performing edging treatment: edging four sides of each acoustic board, and removing trimming burrs; (4) performing glue spraying treatment: respectively spraying a sodium silicate solution layer with a modulus of 2.4-3.0 and density of 1.38-1.42 g/cm<3> on the surface and four sides of each acoustic board; (5) stacking the boards: automatically stacking the boards into a pile according to the requirement of the package quantity, and neatly piling up the boards; (6) wrapping corners: respectively adding plastic cornerites to four corners of each pile of the acoustic boards; (7) performing casing: casing the ...

Three-claw gripping device

The invention relates to a three-claw gripping device which is characterized by comprising a three-claw chuck, a three-claw clip, a telescopic rod and three claw fingers, wherein the upper part of the telescopic rod is fixed on the three-claw chuck; the lower part of the telescopic rod is connected with the three-claw clip; the upper parts of the three claw fingers are fixed in clamping grooves of the three-claw clip, respectively; three claws are uniformly distributed in the circumferential direction of the three-claw chuck; an angle between two adjacent claws is 120 degrees; a central through hole is formed in the center of the three-claw chuck; a linear bearing is arranged in the central through hole; one clamping groove is arranged outside each claw of the three-claw chuck; threaded through holes are formed in two sides of each clamping groove; distances between the threaded through holes and the central through hole are equal; the three-claw clip and the three-claw chuck have the same ...

Cutting clamping device

The invention discloses a cutting clamping device. The clamping device comprises an upper cutting clamping part, a lower cutting clamping part, a supporting plate and guiderails; wherein the guiderails are respectively arranged on the supporting plate to form a guiderail slideway, and the upper cutting clamping part and the lower cutting clamping part are respectively arranged on the guiderail slideway correspondingly in a sliding manner; the upper cutting clamping part comprises a smooth plate, a short pressure plate, a torsion spring, a long pressure plate, a front push block, a push rod, a compression spring, a rear push block and a driving mechanism; the guiderail is Z-shaped, the lower folding edge of the guiderail is fixed on the supporting plate, the upper folding edge of the guiderail is matched with the front push block, the rear push block and the groove of the long pressure plate; the lower cutting clamping part and the upper cutting clamping part are completely identical in ...

Self speed-adjusting drive mechanism with variable load for serried shelf

The invention discloses a self speed-adjusting drive mechanism with variable load for a serried shelf. The self speed-adjusting drive mechanism with variable load is arranged in a cabinet outside the serried shelf, and comprises a bearing block, a bearing, a spline shaft, a bull gear, a spline housing, a pinion gear, a return spring, a baffle sheet, a locknut, a crank, an output shaft, an output pinion gear, an output bull gear and a sprocket. The self speed-adjusting drive mechanism has the advantages that an operator can change the force arm by changing the gear ratio according to the load, in this way, materials of any quantity on the serried shelf can be easily moved, therefore, the defect that the existing drive method can only output single driving force can be overcome, the flexibility in the operation is enhanced, and the operation is simple, therefore, the working intensity of the operator is reduced, and the working efficiency is improved. In addition, the drive mechanism also ...

Preparation method of pre-alloy powder of ferrum-aluminum intermetallic compound Fe2Al5

The invention discloses a preparation method of pre-alloy powder of a ferrum-aluminum intermetallic compound Fe2Al5 with uniform components and fine granularity, which successively comprises the following steps: proportioning ferrum powder and aluminum powder according to the weight percent of Fe2Al5 and obtaining the uniform mixing powder through ball-milling, mixing and sieving; placing the mixing powder into a container to be flattened; heating the mixing powder to the reaction temperature of the main solid phase of ferrum-aluminum to be sintered at the vacuum or non-oxidative atmosphere; naturally cooling when maintaining the temperature for 4 to 8 hours; and grinding and sieving the obtained Fe2Al5 intermetallic pre-alloy to obtain the pre-alloy powder of the ferrum-aluminum intermetallic compound Fe2Al5. The preparation method of the invention has the advantages of simple technology, high efficiency and low cost.

Unmanned aerial vehicle cross-medium water entry launching test system

The invention discloses an unmanned aerial vehicle cross-medium water entry launching test system which is characterized by comprising a rack, a launching platform translation device, a launching platform lifting device, an unmanned aerial vehicle launching device and a launching platform rotating device. The unmanned aerial vehicle launching device is simple in structure, good in sealing performance and high in applicability, can meet different attitude requirements when an unmanned aerial vehicle enters water and is launched by adjusting the vertical direction, the front-back direction and the pitching angle of the launching platform, meanwhile, the launching device can achieve multi-stage speed regulation so as to meet the acceleration parameter requirements of unmanned aerial vehicles of different models, and the launching efficiency is improved. Test equipment with high precision and wide parameter adjustable range is provided for the cross-medium launching test of the unmanned aerial ...

气体扩散电极的连续干嵌制作工艺

The invention discloses a gas diffusion electrode continuous dried embedding production process for the fuel cells, which comprises preparing plaster shaped article from powdered material, filtering and drying to obtain dried powder suitable for dried embedding production process, homogeneously preheating in container, passing the flow concentration continuously and homogeneously through the container, dispersing the powder homogeneously through the spiral scattering device tot the two sides of the flow concentration, making electrode shapes in the dried embedding device, subjecting the pole pieces to thermal treatment agglutination and rolling in semi-closed heating chamber, cutting into suitable sizes and shapes longitudinally or transversely.

Cell polar-piece coating continuous-rolling system

Automatic facial mask moulding machine

The invention discloses an automatic facial mask moulding machine and belongs to the field of mechanical equipment. The automatic facial mask moulding machine is composed of a rack, a detachable wall board as well as a turbo-worm geared motor, a transmission shaft, a paper guiding shaft, a feeding mechanism, a humidifying device, a negative-pressure conveying mechanism, a generating cutting mechanism, a waste sucking device and a material collecting mechanism. The automatic facial mask moulding machine has the advantages that a rotary generating cutting manner is adopted in the generating cutting mechanism, the generating cutting gap is adjustable, variation of the generating cutting gap can be realized, and continuous and stable conveying and moulding of vegetable composite paper are realized; two processes of automatically discharging waste and arranging and outputting are introduced after a moulding device, so that automatic material collecting and waste discharging of a vegetable composite ...

Ground rail free dense holder moving mechanism

The invention discloses a ground rail free dense holder moving mechanism, which comprises a guide rail, a shaft seat, two connecting shafts, two guide wheels, a wheel carrier and a roller, wherein the upper end of the guide rail is hoisted to a ceiling; the shaft seat is fixed on the top of a filing rack, and the middle of the shaft seat is provided with two shaft holes; lower ends of the two connecting shafts are inserted into the two shaft holes on the shaft seat; the upper end of each connecting shaft is provided with a guide wheel; the outer circumference of each guide wheel is contacted with two side faces of a vertical beam of the guide rail; the upper end of the wheel carrier is fixed on a bottom panel of the dense holder; and the roller is arranged on the wheel carrier. The ground rail free dense holder moving mechanism guides the movement of the dense holder by the matching between the guide rail hoisted to the ceiling and the guide wheels on the top of the dense holder, while ...

Packaging production line used for multi-product collective packaging

The invention relates to a packaging production line used for multi-product collective packaging. The packaging production line comprises a main conveying belt, a plastic demounting support machine, a feeding conveying belt, a coding machine, a feeding manipulator, a box demounting machine, a box packing and sealing machine, a box unpacking machine, an integral code layer box filling machine, a box sealing machine and a control cabinet. The packaging production line is characterized in that the plastic demounting support machine, the feeding manipulator, the box unpacking machine and the box packing and sealing machine are sequentially connected via the main conveying belt, the coding machine is mounted on the lower portion of the feeding conveying belt, the feeding manipulator is arranged right above the main conveying belt and higher than the feeding conveying belt, and the main conveying belt, the plastic demounting support machine, the feeding conveying belt, the coding machine, the ...

Automatic production line and production process of power battery flame-retardant film

The invention relates to an automatic production line and a production process of a power battery flame-retardant film, and belongs to the technical field of battery manufacturing. The automatic production line comprises an unwinding and punching mechanism, an electrode lug assembling mechanism, a film stacking, heat sealing and bag making mechanism, a liquid injection mechanism, a flattening and sealing mechanism and an edge cutting and boxing mechanism which are arranged in sequence; the electrode and tab assembling mechanism, the film stacking, heat sealing and bag making mechanism, the liquid injection mechanism, the flattening and sealing mechanism and the trimming and boxing mechanism are all conveyed through a vacuum conveying belt, and the production process comprises the steps of plastic film unwinding and flattening, tab and electrode hole machining, film bag size cutting, electrode and tab placing, film stacking, heat sealing and bag making, flame retardant injection into bags ...

Adaptive power motor used for electric vehicle

The invention discloses an adaptive power motor used for an electric vehicle. The adaptive power motor comprises a main shaft, a top bearing, a cooling fan, a rotor, a stator, a coil winding, a permanent magnetic pole, a disc-type wire change adapter, a tail bearing, a disc-type wire change contactor, an electrode contact, a spring, an electrode contact frame and a stator end cap. The adaptive power motor is characterized in that the disc-type wire change adapter is provided with at least two sets of adaptive pieces, the disc-type wire change contactor is provided with at least two sets of contact pieces, and the coil winding is provided with at least two sets of coils. The adaptive power motor can adjust motor output power and mechanical characteristics according to changes of working conditions. The motor can change motor power output and the mechanical characteristics in the mode that the disc-type wire change contactor and the disc-type wire change adapter change a rotor structural ...

A send membrane device for large -scale membrane book

The utility model provides a send membrane device for large -scale membrane book, characterized by includes send membrane frame, membrane to roll up rotating device and lead the membrane device, the membrane is rolled up rotating device and is led membrane device axial and installs side by side on sending the membrane frame, the membrane is rolled up rotating device and is used for placing the membrane book and drives the rotation of membrane book, it carries out and send the membrane device to lead packaging film that the membrane device is used for rolling up the membrane, it includes in proper order along packaging film outputting direction that the membrane axle is led to the low level of rolling up axial direction parallel with the membrane, a high position is led membrane axle, floating axle and output and is led the membrane axle to lead the membrane device, the mounting height that the membrane axle was led to the low level is less than initiatively leads the membrane axle for pass ...

Ground rail free dense holder moving mechanism

The invention discloses a ground rail free dense holder moving mechanism, which comprises a guide rail, a shaft seat, two connecting shafts, two guide wheels, a wheel carrier and a roller, wherein the upper end of the guide rail is hoisted to a ceiling; the shaft seat is fixed on the top of a filing rack, and the middle of the shaft seat is provided with two shaft holes; lower ends of the two connecting shafts are inserted into the two shaft holes on the shaft seat; the upper end of each connecting shaft is provided with a guide wheel; the outer circumference of each guide wheel is contacted with two side faces of a vertical beam of the guide rail; the upper end of the wheel carrier is fixed on a bottom panel of the dense holder; and the roller is arranged on the wheel carrier. The groundrail free dense holder moving mechanism guides the movement of the dense holder by the matching between the guide rail hoisted to the ceiling and the guide wheels on the top of the dense holder, while the ...

Pneumatic drill

The invention relates to a pneumatic drill. The pneumatic drill comprises an air filter and an air pump. The pneumatic drill is characterized in that the pneumatic drill further comprises a negative-pressure pneumatic drill and a chip separator, wherein the negative-pressure pneumatic drill, the chip separator, the air filter, and the air pump are sequentially connected into a whole through air pipes; the negative-pressure pneumatic drill comprises a drill bit, a rotor blade holder, guide impellers, rotor impellers, a sleeve, a gas distribution disc, a casing pipe, an elastic retainer ring and an air pipe connector, wherein the chip separator comprises a lower housing, an upper housing, a chip accommodating bottle and separating impellers. The pneumatic drill provided by the invention not only achieves the function of the pneumatic drill, but also achieves the function of automatic online punching of deformable and soft hollow thin-walled materials; positions of the punching points are ...

Harvester

The invention relates to a harvester. The harvester is characterized by comprising a power mechanism, a deep digging and advancing mechanism and a conveying mechanism, which are sequentially connected, wherein the power mechanism adopts a farm tractor as a power source and mainly comprises a hydraulic speed variation station, an upper support arm, a main shaft and a lifting cylinder; the deep digging and advancing mechanism mainly comprises a spiral push disk, a lower support arm, a support plate, a main chain, a U-shaped cutter, a duplex chain, a main chain output shaft, spiral cutter blades,a connecting plate, a first-level drive chain output shaft and a first-level drive chain, wherein the lower support arm, the support plate, the connecting plate and the upper support arm form a frameof the harvester; and the conveying mechanism mainly comprises a second-level drive chain, a second-level drive chain output shaft, a conveying chain, a guide support plate, vibration wheels and a conveying ...

Two-way cement mixing pile machine

The invention relates to a two-way cement mixing pile machine which comprises a power supply box, an internal drill rod and an external drill rod and a two-way rotary drill bit. The two-way cement mixing pile machine is characterized in that: the power supply box only comprises an electric motor and a set of drive system which consists of a speed reducer, a coupler, a mud joint and a box body; theinternal drill rod is sleeved in the external drill rod with one core; the upper end face of the external drill rod is fixed with the bottom plate of the box body and can not rotate and the lower endsurface is fixedly connected with the pressure cover of the shell body of the two-way rotary drill bit. The lower end surface of the internal drill rod is connected with the upper end surface of theinternal drill bit. The upper part of the internal drill bit is fixedly sleeved with an upper bevel gear meshed with an intermediate wheel. The intermediate wheel is arranged on the horizontal shaft which ...

Wind power blade climbing robot

The invention discloses a wind power blade climbing robot. The wind power blade climbing robot is characterized by mainly comprising a working platform, upper climbing mechanisms, lower climbing mechanisms and a vertical driving mechanism, wherein the working platform is a flat ring-shaped plane body formed by two flat plates in a horizontal butt joint and combination mode, and a safety fence is installed on the periphery of the upper flat plate; the lower flat plate of the working platform is connected with an appropriate number of the upper climbing mechanisms which are evenly distributed; a guide sleeve of the upper climbing mechanisms is in rigid connection with the lower end of a supporting body and an upper connecting plate; a lower guide sleeve of the lower climbing mechanisms is in rigid connection with the upper end of a lower supporting body and a lower connecting plate; the upper climbing mechanisms and the lower climbing mechanisms are installed in a staggered and evenly distributed ...

Compact shelf with crank type door shafts

The invention relates to a compact shelf with crank type door shafts. The compact shelf with the crank type door shafts comprises a cabinet body, two cabinet doors and a plurality of crank type door shafts, first shaft holes are formed on an upper crossbeam and a lower crossbeam of the cabinet body; rectangular crank grooves are formed on the top surface and the bottom surface of the cabinet doors; second shaft holes are formed on the bottom surfaces of the crank grooves; and one end of each crank type door shaft is inserted into the first shaft hole and the other end of each crank type door shaft is inserted into the second shaft hole. In the compact shelf with the crank type door shafts, the door shafts are designed into crank types; in the process of opening each cabinet door by 0 to 90 degrees, the cabinet door rotates by using one end, inserted into the crossbeam of the door frame, of the crank type door shaft as an axial center; and in the process of opening each cabinet door by 90 ...

Continuous type plastic tray separation device

The invention relates to a continuous type plastic tray separation device which comprises a stander, a tray arrangement slot and a tray storage slot, wherein a belt conveying mechanism is arranged on the stander; the tray arrangement slot is positioned at the input end of the belt conveying mechanism; the tray storage slot is positioned at the output end of the belt conveying mechanism; the continuous type plastic tray separation device is characterized in that separation plates are arranged on the two sides of the separation device along the conveying direction of the belt conveying mechanism; the conveying surface of the separation plate along the belt conveying mechanism is vertically fixed on the stander; a designed number of separation guide chutes are formed in one side, which is close to the belt conveying mechanism, of each separation plate; the number of the separation guide chutes is not less than that of plastic tray monomers in one or more groups of tightly stacked plastic trays ...

Hard alloy using iron-aluminum intermetallic compound as bonding phase and preparation method thereof

The invention discloses a hard alloy using an iron-aluminum intermetallic compound as a bonding phase and a preparation method thereof. The hard phase is carbide, and the bonding phase is 10 to 40 volume percent of FeAl or Fe3Al. The preparation method comprises the following steps of: ball-milling and mixing 1.69 to 19.09 mass percent or 1.31 to 13.75 mass percent of pre-alloying powder of Fe2Al5, 2.10 to 23.78 mass percent or 3.23 to 33.81 mass percent of iron powder and the balance of carbide powder based on the component of FeAl or Fe3Al for 18 to 36 hours, preparing the obtained ball-milling mixture into uniform mixture powder by spray drying, pressing the mixture powder to form a blank, preserving the heat for 1 to 2 hours at the temperature of 1,200 +/- 20 DEG C under the vacuum condition during sintering the pressed blank, and then performing low-pressure liquid phase sintering at the temperature of between 1,250 and 1,550 DEG C to obtain the hard alloy using the FeAl or the Fe3Al ...

Material distributing machine

The invention relates to a material distributing machine used for dry-embedded molding manufacture technology of an air electrode for a zinc-air battery. The material distributing machine comprises four parts of a quantitative feeding mechanism installed on a rack, a casting mechanism, a nickel screen delivery mechanism and a material recycling bin; and the material distributing machine is characterized in that the quantitative feeding mechanism comprises a hopper, a screw feeding main shaft and a shell thereof, a feeding servo motor and the like; the casting mechanism comprises a material beating bar, a material beating roll, a material beating roll shaft, a material-sprinkling motor and the like; the nickel screen delivery mechanism comprises a nickel screen, a feeding roll, a feeding roll main shaft, a bearing cover, a nickel screen shaft coupler, a servo motor bracket, a servo motor and the like; and the material recycling bin is installed below a material distributing bin supporting ...

Hard alloy with iron-aluminum intermetallic compound as main binding phase and preparation method of hard alloy

The invention discloses a hard alloy with an iron-aluminum intermetallic compound FeAl or Fe3Al as a main binding phase, cobalt as a secondary binding phase, and tungsten carbide and/or titanium carbide and Cr3C2 as a hard phase, and the preparation method of the hard alloy comprises the steps in sequence of: uniformly mixing iron powder and aluminum powder with WC and/or TiC powder based on the component ratio of Fe40Al or Fe28Al; under a non-oxidative atmosphere, heating, preserving heat and cooling to obtain a mixture of WC and/or TiC and FeAl or Fe3Al; grinding and crushing the mixture toobtain the mixed powder of WC and/or TiC and FeAl or Fe3Al with the grain size below 120 microns; carrying out deoxygenization pretreatment; wetly grinding and mixing cobalt powder and Cr3C2 powder having certain mass ratio with the balance of the mixture powder of WC and/or TiC and FeAl or Fe3Al; spray drying and compacting to obtain a green compact; and subjecting the green compact to liquid phase ...

Two-way drill rod of cement mixing pile

The invention relates to a two-way drill rod of a cement mixing pile, which is characterized in that: the drill rod is applied to a grouted pile machine. The drill rod comprises a gear case, a drill rod and a drill bit. The gear case comprises a case body and a horizontal shaft and a central shaft arranged in the case. The horizontal shaft and the central shaft are provided with a bevel gear system, which can realize the power conversion between an internal drill rod and an external drill rod. The drill rod part consists of the internal drill rod and the external drill rod which are sleeved together with one core. The external drill rod is square, the upper end surface of which is connected with the bevel gear system through a connecting body and the lower end surface thereof is connected with the upper end surface of the external drill bit. The internal drill rod is circular, the upper end surface of which is connected with the lower end surface of the central shaft and the lower end surface ...

Three -jaw grabbing device

The utility model relates to a three -jaw grabbing device, its characterized in that the device includes that three -jaw chuck, three -jaw checkpost, telescopic link and three claw indicate, the upper portion of telescopic link is fixed on three -jaw chuck, and the lower part and the three -jaw checkpost of telescopic link are connected, and the centre gripping inslot at three -jaw chuck is do not fixed on the top that three claw indicates, the centre gripping inslot at the three -jaw checkpost is fixed respectively to the lower part that three claw indicates, three -jaw chuck has a three claw along circumference evenly distributed, and contained angle between two adjacent claws is 120, three -jaw chuck center and is equipped with the central through hole, be provided with linear bearing in the central through hole, the outside of every claw of three -jaw chuck all is equipped with a centre gripping groove, and the both sides in centre gripping groove all are equipped with the screw thread ...

Coaxial angle compensating mechanism for serried shelves

The invention discloses a coaxial angle compensating mechanism for serried shelves, which comprises a box body, a driving shaft, a driving gear, a driving side idle gear, an idle shaft, a driven side idle gear, a driven gear and an output shaft, wherein the box body comprises a base board, a left side board, a clapboard and a right side board; the driving shaft is horizontally arranged between the left side board and the clapboard; the driving gear is arranged on the driving shaft; the output shaft is horizontally arranged between the clapboard and the right side board; the driven gear is arranged on the output shaft; the idle shaft is horizontally arranged between the left side board and the right side board; and the driving side idle gear and the driven side idle gear are arranged at two ends of the idle shaft, wherein the driving side idle gear is meshed with the driving gear, and the driven side idle gear is meshed with the driven gear. The coaxial angle compensating mechanism for the ...

Bidirectional cement-soil mixing pile machine

The invention relates to a bidirectional cement-soil mixing pile machine, which comprises a power source, a transmission mechanism, a bit body and a frame, and is characterized in that the power source comprises a single motor and a reducer which are in mechanical connection in turn, a motor flange, a coupling and a grout injection connector, and the single motor and the reducer are hoisted on the frame; the transmission mechanism comprises a gear box, a main shaft vertically arranged in the gear box, a half shaft sleeved on the lower part of the main shaft, an external sleeve shaft sleeved outside of the half shaft, and a left intermediate shaft and a right intermediate shaft parallel to the main shaft; and the bit body comprises an inner shaft, an inner bit and an outer bit. The pile machine only adopts one motor to drive, uses structural characteristics of gear transmission and kinematic principle, realizes the diversion and mergence of transmission speed and routes and the change of ...

Double power adaptation direct current motor

The utility model discloses a double power adaptation direct current motor, including motor front end housing, first brush, second brush, commutator contactor, commutator adapter, rotor core, brush seat, rotor winding, motor shell, motor spindle and motor rear end cap, the commutator contactor has first commutator segment and second commutator segment, the commutator adapter has first conducting strip and second conducting strip, double power's application has prolonged the life of motor, commutator contactor and brush can be installed at motor shell outsidely, with end cap seal before the motor, need not dismantle motor shell like this when commutator contactor and brush wear and just can change, and the maintenance of motor is more convenient, reduce the cost. The form that the brush freely slided and then contacted with the commutator segment along motor axial direction for the motor can present long and thin type structure in appearance, can install in long and thin type space.

Two-way cement mixing pile machine

The invention relates to a two-way cement mixing pile machine which comprises a power supply box, an internal drill rod and an external drill rod and a two-way rotary drill bit. The two-way cement mixing pile machine is characterized in that: the power supply box only comprises an electric motor and a set of drive system which consists of a speed reducer, a coupler, a mud joint and a box body; the internal drill rod is sleeved in the external drill rod with one core; the upper end face of the external drill rod is fixed with the bottom plate of the box body and can not rotate and the lower end surface is fixedly connected with the pressure cover of the shell body of the two-way rotary drill bit. The lower end surface of the internal drill rod is connected with the upper end surface of the internal drill bit. The upper part of the internal drill bit is fixedly sleeved with an upper bevel gear meshed with an intermediate wheel. The intermediate wheel is arranged on the horizontal shaft which ...

Automatic feed device for packaging structures of air-conditioner indoor unit

The invention discloses an automatic feed device for a packaging structure of an air-conditioner indoor unit. The automatic feed device comprises a conveying device, a feeding device and a lifting device. The feeding device comprises a feeding device drive sprocket, a feeding device sprocket shaft, a round feed bin, a round feed bin raised cylinder, a feed device ball bearing, an ejecting and pushing cylinders supporting plate, a pushing cylinder, an ejecting cylinder, an ejecting rubber plate, a feed device chain, a feed device circular rotating plate, a feed device stepped shaft, a feed device angular-contact ball bearing, a pushing rubber plate, a round feed bin support, a feed device circular plate, a feed device cylindrical plate, a feed device F-type plate, a feed device stepping motor, a feed device aluminum-casing turbine reducer, a packaging sheath, an ejecting cylinder guide rail and a pushing cylinder guide rail slide block. As the pushing cylinder is ejected out of the packaging ...

Automatic end encapsulation of large -scale coil stock circumference tectorial membrane is put

Automatic end encapsulation of large -scale coil stock circumference tectorial membrane is put seals the frame and installs coil stock location conveyor, the sealing device on the end seals the frame including holding, props the membrane device, horizontal feeding device, and the membrane device is inhaled to the negative pressure, an end frame divide into rack and mounting bracket, and the top of rack is opened, the horizontal gird of mounting bracket above being located the rack top, and the space between mounting bracket and the rack can hold the coil stock roll of accomplishing the circumference tectorial membrane to be passed through, and the direction of horizontal gird is parallel with winding reel line direction.

Hard alloy using nickel-aluminum intermetallic compound Ni3Al as bonding phase and preparation method thereof

The invention discloses a hard alloy using a nickel-aluminum intermetallic compound Ni3Al as a bonding phase and a preparation method thereof. The hard alloy comprises a hard phase and the bonding phase, and also comprises 0.0025-0.0252 percent by mass of elements B; and the volume percentage of the bonding phase is 10-40. The preparation method sequentially comprises the following steps of: uniformly mixing 5.04-50.30 percent by weight of nickel powder, aluminum powder and the balance of carbide powder according to the component proportion of Ni24Al; arranging the mixture in a graphite container, flattening the mixture with the thickness being smaller than or equal to 50 millimeters, and heating the mixture to 1100-1200 DEG C at a speed smaller than or equal to 5 DEG C per minute in a non-oxide atmosphere, preserving heat for 1 hour, cooling the mixture naturally to obtain a mixture of the carbide and Ni3Al; adding 0.0025-0.0252 percent by weight of powder B, mixing the mixture with the ...

Adaptation power permanent magnetism direct current motor

The utility model discloses an adaptation power permanent magnetism direct current motor, including motor front end housing, first brush, second brush, commutator contactor, commutator adapter, rotor core, brush carrier, rotor winding, motor shell, motor spindle, motor rear end cap and radiator fan, the commutator contactor has first commutator segment and second commutator segment, the commutator adapter has first conducting strip and second conducting strip, double power's application has prolonged the life of motor, commutator contactor and brush can be installed at motor shell outsidely, with end cap seal before the motor, need not dismantle motor shell like this when commutator contactor and brush wear and just can change, and the maintenance of motor is more convenient, reduce the cost. The form that the brush freely slided and then contacted with the commutator segment along motor radial orientation for the motor can present flat type structure in appearance, can install in flat ...

Inverter convenient to maintain

The utility model discloses an inverter convenient to maintain, and relates to the technical field of inverters, the inverter convenient to maintain comprises a base, an inverter and fixing assemblies, the inverter and the fixing assemblies are both located at the upper end of the base, and the inverter is located between the fixing assemblies; according to the technical scheme of the utility model, when the connecting plate is pressed downwards to slide downwards along the sliding groove, the spring telescopic rod is driven to contract, and then the first insertion rod and the second insertion rod are moved out of the lower end of the insertion groove, and the second insertion rod is movably embedded into the groove. Then a pull ring is pulled outwards and drives a fixing rod to move towards the outer side of the fixing assembly through a fixing clamping block, and finally the inverter can be pushed forwards and moved out of the base, so that the inverter can be conveniently disassembled ...

Deep pipe burying machine

A deep pipe burying machine comprises a rear suspension bracket, a power distributor, a tunneling pipe laying mechanism, a hydraulic lifting frame, a pipeline conveying mechanism, a high-pressure water pump and a water tank. The power input shaft of the power distributor is connected with a power source, a driving chain wheel of the power distributor is connected with the tunneling pipe laying mechanism through a chain, and a horizontal output shaft is connected with a high-pressure water pump. The tunneling pipe laying mechanism is arranged in the hydraulic lifting frame through limiting guide wheels and a lifting guide rail, a lifting steel wire rope of the tunneling pipe laying mechanism is connected with a winch shaft of the hydraulic lifting frame, and a high-pressure water pipe connector is connected with a high-pressure water pump pipe. A hydraulic motor of the hydraulic lifting frame is driven by a carrier in a hydraulic output mode. The pipeline conveying mechanism controls a pipe ...

Automatic end sealing device for large-scale coil stock peripheral coating film

The invention provides an automatic end sealing device for a large-scale coil stock peripheral coating film. The automatic end sealing device for the large-scale coil stock peripheral coating film comprises an end sealing rack, a coil stock positioning delivery mechanism, a heat-sealing device, a horizontal feeding device and a negative pressure suction film device, wherein the coil stock positioning delivery mechanism, the heat-sealing device, the horizontal feeding device and the negative pressure suction film device are installed on the end sealing rack; the end sealing rack comprises a table rack and a mounting rack, the top of the table rack is open, the mounting rack comprises a horizontal beam which is arranged above the top of the table rack, peripheral-coating-complete coil stocks can roll and pass the space defined by the mounting rack and the table rack, and the direction of the horizontal beam is parallel to the axial direction of the coil stocks.

Multistation material transmission manipulator

The invention relates to a multistation material transmission manipulator which is characterized in that the manipulator is used for a rotary sealing ring framework punching forming technique and mainly comprises a big template, a swing mechanism, a lifting mechanism, six finger mechanisms and two electromagnetic chucks, wherein the big template is round; the swing mechanism and the lifting mechanism are arranged at the center of the big template; 10 positioning slots are distributed on the periphery of the big template; the six finger mechanisms and the two electromagnetic chucks are dividedinto two groups, uniformly arranged on the swing mechanism in a radial shape and central symmetrical mode and are corresponding to the position of the positioning slot; and the finger mechanisms and the electromagnetic chucks are all arranged on the top of a rotary disc of the swing mechanism. The manipulator can automatically and continously finish the material transmission and carrying operation ( ...

Multistation material transmission manipulator

The invention relates to a multistation material transmission manipulator which is characterized in that the manipulator is used for a rotary sealing ring framework punching forming technique and mainly comprises a big template, a swing mechanism, a lifting mechanism, six finger mechanisms and two electromagnetic chucks, wherein the big template is round; the swing mechanism and the lifting mechanism are arranged at the center of the big template; 10 positioning slots are distributed on the periphery of the big template; the six finger mechanisms and the two electromagnetic chucks are divided into two groups, uniformly arranged on the swing mechanism in a radial shape and central symmetrical mode and are corresponding to the position of the positioning slot; and the finger mechanisms and the electromagnetic chucks are all arranged on the top of a rotary disc of the swing mechanism. The manipulator can automatically and continously finish the material transmission and carrying operation ...

Material distributing machine

The invention relates to a material distributing machine used for dry-embedded molding manufacture technology of an air electrode for a zinc-air battery. The material distributing machine comprises four parts of a quantitative feeding mechanism installed on a rack, a casting mechanism, a nickel screen delivery mechanism and a material recycling bin; and the material distributing machine is characterized in that the quantitative feeding mechanism comprises a hopper, a screw feeding main shaft and a shell thereof, a feeding servo motor and the like; the casting mechanism comprises a material beating bar, a material beating roll, a material beating roll shaft, a material-sprinkling motor and the like; the nickel screen delivery mechanism comprises a nickel screen, a feeding roll, a feeding roll main shaft, a bearing cover, a nickel screen shaft coupler, a servo motor bracket, a servo motor and the like; and the material recycling bin is installed below a material distributing bin supporting ...

Cemented carbides big product aging treatment process

The invention discloses an aging process of a large product of hard alloy. The process comprises the steps as follows: a heating tank is added with hard alloy products, and added with water until the hard ally products are fully immersed in water, added with soda, the weight of which is 1 to 5 percent of the added water, introduced with vapor to heat (or electrified or introduced with fuel gas to heat directly) until the water is boiled; heat is preserved for 48 to 124 hours; timely water replenishing is needed during heating process so as to ensure that product is not exposed outside the water; heating is stopped after the heat preserving time is up; and then products can be taken out after discharging water and cooling; then the products can be cleared up after standing stilly for a day. The aging process of the invention has the advantages of simple process and operation, being economic and effective, being capable of improving intensity of hard alloy with more than 10 percent without ...

Two-way drill rod of cement mixing pile

The invention relates to a two-way drill rod of a cement mixing pile, which is characterized in that: the drill rod is applied to a grouted pile machine. The drill rod comprises a gear case, a drill rod and a drill bit. The gear case comprises a case body and a horizontal shaft and a central shaft arranged in the case. The horizontal shaft and the central shaft are provided with a bevel gear system, which can realize the power conversion between an internal drill rod and an external drill rod. The drill rod part consists of the internal drill rod and the external drill rod which are sleeved together with one core. The external drill rod is square, the upper end surface of which is connected with the bevel gear system through a connecting body and the lower end surface thereof is connectedwith the upper end surface of the external drill bit. The internal drill rod is circular, the upper end surface of which is connected with the lower end surface of the central shaft and the lower endsurface ...

Welding assistant positioning device

The utility model discloses a welding assistant positioning device, its characterized in that the device including the chassis, down locating plate, positioned on the plate, four clamping pieces, two screw base, four optical axis seats, press from both sides tight support, roof -rack, carousel, calibrated scale, screw nut, two slide bearing, two grudging posts, coordinate scale, lead screw and two direction optical axises, the clamping piece is including pressing from both sides tight carousel, clamp shaft and block rubber, clamp shaft one end is installed and is pressed from both sides tight carousel, and the block rubber is installed to the other end, four clamping pieces pass through clamp shaft respectively with locating plate, positioned on the plate down or press from both sides tight support threaded connection, this device novel structure, the principle is simple reliable, and the practicality is strong, can need the welded work piece in the easily location to having avoided the ...

Flexible centre gripping manipulator device

The utility model discloses a flexible centre gripping manipulator device, its characterized in that the device including lower mounting panel, two tapered roller bearing, driving shaft, driven shaft, six axle sleeves, two centre gripping arms, two gasbag mounting brackets, two tracheas, two gasbags, two gears, electric jar, two deep groove ball bearing, go up mounting panel, shaft coupling, motor mount pad, servo motor, electric jar flange and holding screw. Through the gasbag in this device as flexible parts, can avoid the destructive effect that rigidity end effector produced the work piece well to the integrity that has kept the work piece. And, through the application of gasbag, can compensate workpiece surface's irregularity to a certain extent to make the range of application of centre gripping manipulator device more extensive.

A prop case device for box -packed shampoo extranal packing box

The utility model discloses a prop case device for box -packed shampoo extranal packing box, its characterized in that the device includes the fixed bolster, props punch -out equipment structure and a drive unit, two baffles about the fixed bolster is equipped with, drive unit sets up on two baffles of the left and right sides of fixed bolster, props the punch -out equipment structure and fixes on the fixed bolster, propping the punch -out equipment and constructing and transversely to prop case piece, two vertical case piece, four horizontal fixing support and four vertical fixing support of propping including two, four horizontal fixing support symmetry respectively install in the upper portion and lower part edge of the left and right sides of fixed bolster baffle, just the high phase -match of the distance between two horizontal fixing support of every side and packing box, top -down fixed mounting has two vertical fixing support on the fixed bolster between two horizontal fixing support ...

Cemented carbides big product aging treatment process

The invention discloses an aging process of a large product of hard alloy. The process comprises the steps as follows: a heating tank is added with hard alloy products, and added with water until the hard ally products are fully immersed in water, added with soda, the weight of which is 1 to 5 percent of the added water, introduced with vapor to heat (or electrified or introduced with fuel gas toheat directly) until the water is boiled; heat is preserved for 48 to 124 hours; timely water replenishing is needed during heating process so as to ensure that product is not exposed outside the water; heating is stopped after the heat preserving time is up; and then products can be taken out after discharging water and cooling; then the products can be cleared up after standing stilly for a day. The aging process of the invention has the advantages of simple process and operation, being economic and effective, being capable of improving intensity of hard alloy with more than 10 percent without ...

Coaxial angle compensating mechanism for serried shelves

The invention discloses a coaxial angle compensating mechanism for serried shelves, which comprises a box body, a driving shaft, a driving gear, a driving side idle gear, an idle shaft, a driven side idle gear, a driven gear and an output shaft, wherein the box body comprises a base board, a left side board, a clapboard and a right side board; the driving shaft is horizontally arranged between the left side board and the clapboard; the driving gear is arranged on the driving shaft; the output shaft is horizontally arranged between the clapboard and the right side board; the driven gear is arranged on the output shaft; the idle shaft is horizontally arranged between the left side board and the right side board; and the driving side idle gear and the driven side idle gear are arranged at two ends of the idle shaft, wherein the driving side idle gear is meshed with the driving gear, and the driven side idle gear is meshed with the driven gear. The coaxial angle compensating mechanism forthe ...

Depth of parallelism squareness measurement all -in -one

The utility model relates to a depth of parallelism squareness measurement all -in -one, this all -in -one of its characterized in that includes that Z is to the second module, Y is integrated to linesweep digital camera, the landing slab, Y is to first module, Y is to the locating plate, X is to the laser -bounce platform, X is to first module, X is to the locating plate, Y is to first guide rail, Z is to first module, X is integrated to forefront scanning digital camera, Y is to the second module, the laser emission platform, Y is to the second guide rail, a supporting plate, the cooperation landing slab, Y is to the laser -bounce platform, X is integrated to second -line scanning digital camera, Z is to third module and X to the second module, the laser emission platform includes thattwo orthogonal X are to straight -line laser and Y to straight -line laser, on the landing slab along horizontal direction and vertical direction respectively fixed set up X to first module and Y to first ...