28 results about "Stub axle" patented technology

A torque sensor 10 comprises: a stub shaft 86; a first pinion gear 91 through which torque is transmitted to and from the stub shaft 86 via a torsion bar 95; a sensor body 58 fixed to the first pinion gear 91 or the stub shaft 86; a sensor housing 21 that houses the stub shaft 86 and the sensor body 58; and a bearing 70 that rotatably supports the stub shaft 86 with respect to the sensor housing 21. The stub shaft 86 has a guide part 87 having a diameter that is slightly smaller than the diameter of a portion of the stub shaft 86 where the bearing 70 is disposed. The length L1 in the axial direction from a guide end 87a to an end section 58a of the sensor body 58 on a side where the guide part 87 is located is longer than the length L2 in the axial direction from the bearing 70 to an end section 23 of the sensor housing 21.

The invention discloses a heatable automatic powder stirring encrusting device and system. The equipment comprises a flour bin, a heat preservation shell, a steam heating opening, a stuffing hopper, an auger A, an auger B, an auger shaft fixing plate, a synchronous wheel A, a synchronous wheel B, a synchronous belt, a gear motor, a supporting plate, a driving motor, a pinion, an outer bin transmission gear, a bearing base, a base bearing pressing plate, a supporting column, a side position fixing plate, a telescopic push rod, a motor, a cutter fixing base, a cutter power disc and a cutter disc gear. The device comprises a cutter blade, a cutter movement guide opening, a sensor, a sensor supporting plate, a straight gear, a cutter driving shaft, a switch valve, a sealing gasket, a sealing cover, a bearing, a fixing plate, a positioning short shaft and a cutter lower rotating disc. The device is used for mounting the automatic powder stirring control equipment to realize powder stirring through rotation of the motor and the rotary straight gear.

The utility model discloses a hanging wheel component convenient to assemble, which comprises a wheel seat, a mounting seat and a screw rod, the screw rod is in threaded connection with the wheel seat, a locking space is arranged in the mounting seat, and an elliptical locking hole communicated with the locking space is arranged on the upper surface of the mounting seat; the screw rod is connected with an oval locking plate, and the oval locking plate can penetrate through the oval locking hole to be inserted into the locking space. A positioning hole is formed in the upper surface of the locking space, and the oval locking plate is provided with a positioning column. When the short axis of the oval locking plate coincides with the long axis of the oval locking hole, the positioning column can be inserted into the positioning hole from bottom to top. The locking space is provided with an elastic module, and the elastic module is used for applying upward acting force to the oval locking plate. The device is easy to operate and convenient to disassemble.

A rear axle of a commercial electric vehicle includes a curved de Dion axle that includes stub axles, CV cups, each configured to receive a portion of a CV axle, and a central portion disposed downward and rearward of the stub axles. The rear axle includes a curved form factor to allow for a portion of an electric drive unit to be disposed in a manner where a hub centerline connecting the stub axles intersects the electric drive unit.

A swing arm assembly for a foldable wheelchair consisting of a camber tube and adapters is disclosed. The adapters mount to the frame of the wheelchair and receive the ends of the camber tube. Each end of the camber tube is pinned into an adapter using a quick release pin. The camber tube improves the stability of the foldable wheelchair. When desired to fold the wheelchair, the quick release pin is removed and the camber tube is removed, thereby allowing the wheelchair to fold. The adapters may be mounted to the wheelchair frame or to stub axles if used. The swing arm assembly adds substantial stiffness and stability to a folding wheelchair.

A mistake proofing device for a short shaft of a pin shaft relates to the technical field of chain manufacturing and comprises a bottom plate and a supporting seat, the supporting seat is arranged at the upper end of the bottom plate, a sliding hole is formed in the top of the supporting seat in a penetrating mode in the front-back direction, a sliding block is connected in the sliding hole in a sliding mode, and a through material passing hole is formed in the sliding block in the front-back direction. The material passing hole is used for allowing a shaft material to penetrate through and is in clearance fit with the shaft material, the outer wall of the sliding block is connected with the inner wall of the sliding hole through a spring, a detection probe is installed on the inner wall of the rear end of the sliding hole, and the detection probe is in signal connection with a control system of the shaft cutting machine through a wire. And the detection probe is opposite to the shaft material penetrating through the sliding block. The pin shaft cutting machine is simple in structure and convenient to use, the problem that the pin shaft cutting machine produces short pin shafts due to bending of shaft materials can be effectively solved, the production quality of the pin shafts is guaranteed, and errors of subsequent assembly procedures are avoided.

The utility model relates to the technical field of compressor assembly, in particular to a rotary vane compressor pre-assembling rear bearing tool which comprises a bottom plate, a pre-assembling measuring table and a positioning block, and the pre-assembling measuring table and the positioning block are assembled on the bottom plate. The pre-assembly testing table is vertically arranged on the bottom plate and comprises a base body, a first shaft body and a second shaft body which are connected with one another in the axial direction, the base body is provided with an assembly surface for bearing a cylinder body, the shaft diameter of the first shaft body is matched with the short shaft distance of a cylinder body assembly hole, and the rear bearing is assembled on the other end face, deviating from the assembly surface, of the cylinder body; the shaft diameter of the second shaft body is matched with the hole diameter of an assembly hole of the rear bearing; the outer axial surface of the base body is concave inwards to form a positioning groove, the positioning block is movably arranged in the horizontal direction, and one end of the positioning block is clamped in the positioning groove; the horizontal position of the positioning block is adjusted through the matching relation between the positioning block and the positioning groove in the pre-assembling testing table, the pre-assembling testing table and the cylinder body on the pre-assembling testing table are driven to deflect by a small angle, the coaxiality fine adjustment effect between the cylinder body and the rear bearing is rapidly achieved, the adjusting time is shortened, and the assembling efficiency is improved.

The invention discloses an intelligent device for cement mortar shrinkage performance and a test method, the intelligent device comprises a shell, and further comprises a compression ring assembly used for preventing hollowing of a cement block, the compression ring assembly comprises a cylinder, push rings, a push rod and an eccentric wheel, the push rings are movably connected to the two ends of the cylinder, and the eccentric wheel is movably connected to the push rod; the two push rings are hinged to push rods through hinged supports on the push rings, the other ends of the two push rods are rotationally connected with the push rods through guide rods at the eccentric positions of eccentric wheels, the two eccentric wheels are rotationally connected to the two sides of a shell through short shafts at the axes of the eccentric wheels, the shell is connected with a limiting assembly, and the top end of the shell is connected with a clamping assembly. According to the invention, hollowing in the cement block can be effectively prevented when the cement block is manufactured.

Disclosed herein is an axle cartridge member for receiving a pair of torsion stub axles. The axle cartridge member includes a pair of laterally opposed bases, with each base defining a cavity therein for receiving an elongated stub housing of the torsion stub axles. The axle cartridge member also includes a pair of axle mounts that each includes a lateral opening extending into the cavity defined in the respective base, and an arch including a crossbar extending at a height above the bases wherein the arch further includes a portion that extends upward from each of the bases at an angle and meets the crossbar that extends generally horizontally between the portions of the arch.

A process for orbital friction welding of a blade to a stub on a turbomachine rotor disk, comprising the following successive phases: friction of the blade against the stub with application of a force friction normal; forging of the blade against the stub with application of a normal forging force; wherein the normal forging force is greater than the normal friction force and essentially constant throughout the forging phase.

The present application provides a kind of shearer rocker arm clutch mechanism, including movable be arranged between the shaft gear of cutting motor and drum transmission mechanism Torque shaft, connect with the end of Torque shaft far from shaft gear to drive Torque shaft movement realizes the short shaft of clutch operation, installation seat is installed on cutting motor and is penetrated by short shaft, handle is arranged in the accommodation space of installation seat and is fixedly connected with the end of short shaft, still include: the long shaft of being set through short shaft and being opposite with the end surface of Torque shaft, long shaft is movably arranged relative to short shaft, and the end of long shaft towards Torque shaft is provided with the shaft head for being matched with the connecting groove of the end surface of Torque shaft, by moving long shaft, make shaft head embed connecting groove, to rotate the other end of long shaft drive Torque shaft synchronous rotation to specified angle position by another end of long shaft.The present application is rotated manually Torque shaft, makes Torque shaft and shaft gear realize spline alignment, to easily complete " the " operation, without disk movement drum or start cutting motor.

The application provides a kind of ignition compression gasoline engine piston and engine, the ignition compression gasoline engine piston includes: piston body, the top surface of the piston body is provided with pit, first intake valve avoidance pit, second intake valve avoidance pit, first exhaust valve avoidance pit and second exhaust valve avoidance pit;Wherein, the center of the pit is offset to the back along the first direction relative to the center of the piston body, the first direction is the front-back direction of engine, the first intake valve avoidance pit, second intake valve avoidance pit, first exhaust valve avoidance pit and second exhaust valve avoidance pit are sequentially arranged along the circumference of the pit;The long axis of the pit is in the first direction and perpendicular to the direction of intake and exhaust, and the short axis of the pit is in the direction of intake and exhaust.

The utility model relates to the technical field of inspection machine equipment, and discloses a track cleaning device which comprises a suspension, a driving shaft is rotatably arranged on the suspension, an eccentric wheel is fixedly arranged on the driving shaft, the outer edge of the eccentric wheel is sleeved and rotatably matched with a hoop, and the hoop is fixedly connected with a support arm; a cantilever is further rotationally arranged on the suspension frame, a brush head is arranged at one end of the cantilever, bristles are arranged on the brush head, and the brush head is perpendicular to the cantilever; a connecting plate is fixedly connected to the other end of the cantilever, a short shaft is fixedly connected to the connecting plate, the short shaft and the cantilever are connected to the two ends of the connecting plate respectively, and the axis of the short shaft and the axis of the cantilever are parallel and staggered; a limiting hole is formed in the end, away from the hoop, of the supporting arm, the short shaft penetrates into the limiting hole, and a gap is formed between the outer surface of the short shaft and the hole wall of the limiting hole. The cleaning device can solve the problem that when an existing cleaning device works, the brush head is in a static state relative to the whole device and can only move along a straight line for cleaning, and the cleaning effect is not good.

The utility model provides a kind of split type pivot locking structure applied to exercise bicycle, including the sleeve seat embedded in frame, the short shaft of detachable connection with sleeve seat, the connecting piece of pivot sleeve in short shaft, the shake hand pipe of detachable fixed in connecting piece and the linkage of pivot connection foot and connecting piece.Sleeve seat and short shaft are detachably connected by thread structure, and connecting piece contains slidable fixed section and telescopic section.The utility model realizes the shake hand pipe and frame split design, reduces packing material accumulation and reduces storage and transportation cost, simplifies assembly process, and connection is stable and not easy to loosen, movement linkage is smooth, improves use safety and experience.

The utility model discloses a mould core-pulling mechanism based on cam, it belongs to mould field, it includes the pivot, is provided with eccentric cam on the pivot, eccentric cam rotatablely set up in the guide hole of long axle and short axle on slider, when the pivot rotates, the working profile surface of eccentric cam periodically promotes two opposite side wall surface of short axle direction, is provided with the core on the slider, and the core is along the short axle direction of guide hole setting. The utility model discloses a mould core-pulling mechanism based on cam can improve the core-pulling precision, and reduce the phenomenon of hole wall scratch.

The utility model relates to rolling mill equipment technical field discloses a kind of joint shaft bracket and short stress line rolling mill, the joint shaft bracket includes bracket body, bearing seat and backing plate;Bearing seat is installed in bracket body, the connecting place of bracket body is equipped with the installation slot extending along the arrangement direction of joint shaft, installation slot is along the direction of being perpendicular to the arrangement direction of joint shaft and being perpendicular to the axis direction of joint shaft and penetrates, two side surfaces in installation slot form mounting surface, the connecting end part of bearing seat is inserted into installation slot and is connected with mounting surface;The side of mounting surface towards connecting end part is equipped with backing plate, backing plate includes gasket between mounting surface and connecting end part, fixed plate connected with gasket, fixed plate is located outside installation slot, and from the side of gasket towards the side of deviating from connecting end part, fixed plate is adjustably located in bracket body along the direction perpendicular to mounting surface.The backing plate in the joint shaft bracket can adjust position, effectively prolong service period, and disassembly and assembly are convenient, effectively improve replacement efficiency.

The utility model relates to an ash pushing device for a continuous hot-dip galvanizing pot, and belongs to the technical field of continuous hot-dip production of section steel in the metallurgical industry. According to the technical scheme, a double-end swing rod (6) is of an integrated structure composed of a short shaft and a long shaft, a head lug ring (9) of an air cylinder (10) is connected with the short shaft end of the double-end swing rod (6) through a rotating shaft (8), a pivot (7) is fixed to a stepping device (13), the double-end swing rod (6) is rotationally installed on the pivot (7), and the side face of the long shaft end of the double-end swing rod (6) is fixedly connected with one end of a chain (12) through a pin (5); and the other end of the chain (12) is fixed on the ash baffle (1) which is arranged in the zinc pot (18). The zinc pot has the beneficial effects that a workpiece is obliquely immersed below the zinc liquid surface from the clean zinc liquid surface, so that the scald pollution caused by solvent ash generated in the previous batch is avoided, and the solvent ash pushed away from the pot entering area is accumulated in a non-workpiece operation area on the periphery of the zinc pot and then is fished out by the ash fishing equipment.

The utility model relates to the field of storage and transportation of materials, in particular to a manual discharging mechanism of a hopper. A discharging mechanism is mounted on one side of the hopper and comprises a gear linkage mechanism, the gear linkage mechanism is mounted on the two sides of the hopper, and the gear linkage mechanism comprises a gear (4); the gear (4) is welded on the gear connecting plate (2), the gear (4) is rotatably mounted on the short shafts (3) on two sides of the hopper, and the bottom of the gear connecting plate (2) is connected with the arc-shaped bottom plate (1); the two gears (4) are meshed with each other; the butt joint position of the two sets of arc-shaped bottom plates (1) is a discharging opening. Wherein one group of arc-shaped bottom plates (1) are connected with lug plates (5); the lug plate (5) is hinged with a connecting rod mechanism (6); the connecting rod mechanism (6) comprises two groups of connecting rods; one group of connecting rods is mounted on a power output shaft of the speed reducer (7); and a crank mechanism (8) of the speed reducer (7) rotates to drive a power output shaft of the speed reducer (7) to rotate.

The utility model discloses a breeding cage with a turnover bottom net, which belongs to the technical field of breeding cages and comprises a breeding cage body. A middle frame capable of moving up and down is installed at the cage bottom of the breeding cage body, and turnover cage bottoms are rotationally installed on the two sides of the middle frame respectively. An overturning rack is mounted below the middle frame, and an elliptical wheel is rotationally mounted on the overturning rack; the bottom of the middle frame is fixedly connected with a vertically-arranged ejector rod, and an ejector head of the ejector rod abuts against the surface of the oval wheel all the time. When the ejector rod abuts against the short shaft position of the oval wheel, the middle frame and the two sets of turnover type cage bottoms are in a horizontal state. When the ejector rod abuts against the long axis position of the oval wheel, the middle frame protrudes upwards, and the two sets of turnover type cage bottoms are lowered from the middle to the two sides in an inclined mode. When the bottom net turnover type breeding cage is used in daily life, the cage bottom can be leveled, the stress of the cage bottom is more uniform, the service life of the cage bottom is longer, and chickens and ducks in the cage live more comfortably.

A rear axle of a commercial electric vehicle includes a curved de Dion axle that includes stub axles, CV cups, each configured to receive a portion of a CV axle, and a central portion disposed downward and rearward of the stub axles. The rear axle includes a curved form factor to allow for a portion of an electric drive unit to be disposed in a manner where a hub centerline connecting the stub axles intersects the electric drive unit.

To provide a steering device capable of improving steering feeling and improving abrasion resistance of pinion teeth and rack teeth.SOLUTION: The steering device includes a first pinion shaft that has first pinion teeth on an outer periphery and is rotatable around a first rotation axis, a second pinion shaft that has second pinion teeth on an outer periphery and is rotatable around a second rotation axis, and a rack shaft that has first rack teeth that mesh with the first pinion teeth and second rack teeth that mesh with the second pinion teeth and extends in a longitudinal direction. An axial direction of the first rotation axis extends along a lateral direction of the rack shaft, and a total meshing ratio between the first pinion teeth and the first rack teeth is 1.8 or more.SELECTED DRAWING: Figure 6

The present application relates to a kind of positive and negative impact auxiliary cleaning device and hydraulic filter cartridge comprehensive cleaning method for hydraulic filter cartridge.For how to overcome prior art, the present application includes cylinder assembly, drive motor with speed reducer, eccentric wheel, connecting rod and main pipe for positive and negative impact auxiliary cleaning device of hydraulic filter cartridge, cylinder assembly includes cylinder body, piston and piston rod, piston rod one end is connected on piston, the other end passes through cylinder body, and is hinged in the one end of connecting rod, eccentric wheel is driven by drive motor with speed reducer, eccentric wheel is equipped with eccentric short shaft, the other end of connecting rod is hinged on the short shaft, cylinder body is equipped with the inlet and outlet gas connector that is always communicated with front chamber, and is equipped with the inlet and outlet gas hole that is always communicated with rear chamber, the main pipe is connected on the inlet and outlet gas connector, the main pipe is communicated with multiple branch pipes, and each branch pipe lower end is connected with a joint by multipurpose flexible hose, and the inner wall of the joint is provided with internal thread.The present application is suitable for cleaning hydraulic filter cartridge.

The utility model discloses an inner and outer sleeve shaft double-machine transmission mechanism which comprises an outer sleeve shaft, a core shaft, a first sleeve, a second sleeve, a driven wheel, a first power source, a driving wheel, a third sleeve, a second power source and a transmission short shaft, the core shaft is sleeved with the outer sleeve shaft, the first sleeve is fixedly sleeved at the rear end of the outer sleeve shaft, one end of the second sleeve is fixed with the first sleeve, and the other end of the second sleeve is fixed with the driving wheel. The output shaft of the first power source is provided with a driving wheel, the driving wheel and the driven wheel are connected through a belt or a chain, the output shaft of the second power source is fixedly sleeved with a third sleeve, and the rear end of a transmission short shaft is fixedly connected with the front end of the third sleeve. And the front end of the transmission short shaft is fixedly connected with the rear end of the mandrel. Two power sources are adopted to drive the outer sleeve shaft and the core shaft to rotate respectively, double-machine transmission of the outer sleeve shaft and the core shaft is achieved, the outer sleeve shaft and the core shaft independently operate and do not interfere with each other, and a double-machine transmission mechanism is provided for the spiral feeding machine with the scattering function.

The present application relates to a kind of yarn guide and threading mechanism for textile yarn processing machine, including yarn guide mechanism, the yarn guide mechanism includes welding frame, yarn reversal support force arm, yarn reversal cantilever beam, corner sleeve, transition stub axle, cantilever jib, jib tail support, tail profiled wheel support, end profiled wheel support, yarn reversal support wheel, line transition cone;The yarn reversal support force arm is fixedly arranged on the welding frame, the yarn reversal cantilever beam is fixedly arranged on the yarn reversal support force arm, the corner sleeve is movably arranged on the yarn reversal cantilever beam near the yarn reversal support force arm one end by bearing, the transition stub axle is fixedly arranged on the corner sleeve, perpendicular to the axis direction of the corner sleeve, the present application can effectively improve the stability and consistency of yarn in weaving process, improve the stability of tension control, reduce the entanglement and misplacement of yarn, improve the smoothness of yarn machine operation, reduce spun yarn relaxation or breakage.

The utility model discloses a pump oil structure of reciprocating compressor relates to the lubrication field of pump, this pump oil structure, including crankcase and crankshaft and piston, the crankshaft includes long axle and short axle and balance arm, long axle and short axle are connected through balance arm, long axle and short axle oil circuit connection, the outside of long axle is equipped with oil circuit helical groove, be equipped with main oil circuit in long axle, the lower oil hole of main oil circuit end and oil circuit helical groove most lower end intercommunication. Through the inside setting oil hole of long axle and piston cavity intercommunication, make long axle wall on oil circuit helical groove can pump to the position department of short axle oil circuit with lubricating oil. Through short axle oil hole, lubricating oil is pumped into piston cavity from long axle, and utilize the rotation of short axle, and lubricating oil is from short axle oil hole, and more evenly is thrown to the inside of piston cavity. And can realize the circulation lubricating oil of exhaust simultaneously through two air hole sections.

The utility model relates to the technical field of hoisting for boiler steel frame installation, in particular to hoisting equipment for boiler steel frame installation, which comprises a main suspension arm, a pulley block installed at the action end of the main suspension arm, a steel wire rope installed on the main suspension arm through the pulley block, and an offset assembly installed on the main suspension arm, and is characterized in that the offset assembly comprises a rotating short shaft; a rotating short shaft is mounted on the inclined surface of the bottom of the main lifting arm through a rotating seat, a connecting block is fixedly connected to the bottom end of the rotating short shaft, an electric push rod is mounted on a block body of the connecting block, a limiting sleeve is fixedly connected to the telescopic end of the electric push rod, and the section of a steel wire rope is sleeved with the limiting sleeve; according to the steel frame hoisting device, the deviation assembly is installed on the connecting cylinder, the buffering assembly is installed on the connecting cylinder, through cooperative operation of the deviation assembly and the buffering assembly, horizontal deviation of the steel frame position in the hoisting process in a small space is achieved, rapid adjustment of hoisting points at different positions of the steel frame is met, and the swing amplitude of the steel frame at the deviation position in the hoisting process is relieved.

The utility model discloses a small -size tool cart suitable for the cleaning of round pipe culvert, including tool cart subassembly, tool cart subassembly includes setting dolly frame, the triangular plate of fixed dolly frame lateral wall, the connecting rope of triangular plate connection, the directional wheel of setting dolly frame bottom surface, the concave frame of fixed directional wheel lateral wall in auxiliary assembly, the short axle of fixed concave frame in, with short axle sleeve's short sleeve, with the connecting plate of short sleeve connection, the bar of work type of penetrating connecting plate, with the threaded cylinder of bar of work type connection, with the threaded axle of threaded cylinder connection, with the walking wheel of threaded axle connection. The utility model discloses the mutual cooperation of setting tool cart subassembly and auxiliary assembly reaches when using, realizes the gyro wheel switching of tool car, and tool car can be adapted to use under different culvert environment like this, avoids appearing the muddy culvert influence tool car normal sliding situation, and the structure design of dialing switching, and the use is more flexible.

A high-capacity, long-arm, compact bucket wheel excavator, belonging to the category of bucket wheel coal mining equipment, includes a support mechanism, a bucket wheel drive mechanism, a discharge arm slewing mechanism, a crawler walking mechanism, and a tensioning mechanism. Its key technical features are: the bucket wheel drive mechanism includes a receiving arm, a short shaft assembly floatingly fixed on the receiving arm, a drive unit installed at the input end of the short shaft assembly, and a wheel assembly axled to the far drive end of the short shaft assembly. The short shaft assembly is buoyantly mounted on the receiving arm, and the wheel assembly is rotatably mounted at the far drive end of the short shaft assembly. The wheel assembly and drive unit are located on opposite sides of a floating bearing seat; a reinforcing flange is provided on the short shaft. It possesses advantages such as good stress characteristics, comprehensive process application functions, high reliability, convenient maintenance, and good safety.