80results about How to "Reduce assembly links" patented technology

The invention relates to solid insulation switch equipment, which consists of a box body, a circuit breaker, a three-station insulation/grounding switch, a bus, a connecting conductor, a current transformer and a cable, wherein the circuit breaker and the three-station isolation/grounding switch of the solid insulation switch equipment are combined into a whole and share one solid insulation casing, because a conducting connecting element between the circuit breaker and the three-station insulation/grounding switch is also fixed and encapsulated, parts, movable elements and assembly links are reduced, the equipment operation safety is improved, meanwhile, the space dimension between the circuit breaker and the three-station insulation/grounding switch is greatly reduced, the size of the equipment is smaller, in addition, other elements are also covered by solid insulation materials as outer insulation, in addition, a layer of semiconducting material is sprayed and coated on the surface of the solid insulation materials to be used as a grounding layer, the equipment insulation performance is excellent, safety and reliability are realized, the insertion type connection is adopted between the elements, and the assembly, the regulation, the overhaul and the maintenance are more convenient.

The invention provides a lightweight, simplified, high-stability and coaxial camera primary and secondary lens assembly. The lightweight, simplified, high-stability and coaxial camera primary and secondary lens assembly comprises a bearing cylinder, and a primary lens component and a secondary lens component of a coaxial camera, and further comprises a metal insert, an insert supporting component and a plurality of radial supporting rods, wherein the bearing cylinder, the insert supporting component and the radial supporting rods are carbon fiber composite components; the insert supporting component adopts a circular ring structure, and is coaxially arranged in the center of a front flange of the bearing cylinder through the radial supporting rods; the metal insert is fixed inside the insert supporting component; the primary lens component is mounted at a back flange of the bearing cylinder; the secondary lens component is mounted inside the metal insert. Through a high-precision designing, machining and mounting method for the integrated primary and secondary lenses, a design of a metal flange plate in the conventional scheme is avoided, so that the weight is reduced to a half of that in the conventional scheme.

The invention discloses a crank. The crank is an oblate cylinder, is provided with an eccentric hole of which the opening is formed on one end face of the crank, is used for accommodating the free end of a crankpin of a crank throw when an integral crankshaft is formed by assembling the crank together with the crank throw, and is named a crankpin mounting hole, wherein the central axis of the crankpin mounting hole is parallel to the central axis of the crank; the crankpin mounting hole is a choke plug hole; and a circular groove which is concentric with the end face of the bottom wall of themounting hole is formed on the bottom wall of the crankpin mounting hole and is named a force transmission groove. The force transmission groove is formed, so that the distribution of the pressing force between the bottom wall of the crankpin mounting hole and the end face of the free end of the crankpin can be improved, and the crankpin mounting hole is excellently attached to the free end of the crankpin. The invention also provides the crankshaft, a combined crankshaft using the crankshaft and an internal combustion engine or a compressor using the combined crankshaft.

The invention relates to the technical field of deep UV lithography object lenses and concretely discloses an integrated axial direction precision fine tuning apparatus. The integrated axial direction precision fine tuning apparatus comprises a lens frame and a driver. The lens frame is a circular ring structure and comprises a translation part, a fixed part and a connection part. The translation part and the fixed part are divided along the indirect cutting line of the circumference. The connection part is an integratedly cut hinge which is arranged at the indirecion part of the cutting line and is used for the connection of the translation part and the fixed part. The driver is arranged on the hinge and is used for the axial direction fine tuning of the lens frame. Through the design of a one-piece circular ring structure, the axial direction precision fine tuning apparatus has the advantages of a simple and compact structure, convenient processing and assembling and the improvement of axial motion precision.

The invention belongs to the technical field of pressure gas expansion refrigeration, and relates to a double-layer nozzle and double-row pipe gas wave refrigerator with built-in drive hydraulic balance. According to the double-layer nozzle and double-row pipe gas wave refrigerator, double layers of nozzles mounted on a main shaft of the gas wave refrigerator are used for jetting gas into corresponding double rows of vibration receiving pipes so as the achieve the aims of increasing the number of the receiving pipes by one time and increasing the handling capacity. A hydraulic balance device is built for offsetting, overcoming and balancing the disadvantage that the axial force is increased due to axial gas input, and the problem causing shortening of the service life of the refrigerator can be effectively solved. A transmission device is arranged in the middle segment of the refrigerator in an embedded manner and is driven by a motor, and the contradiction that the two ends of the refrigerator are occupied is solved well. In order to prevent gas mixing and outward leaking before and after refrigeration so as to improve the refrigeration efficiency, the refrigerator mainly selectsmultiple single-end-face mechanical seals besides a labyrinth seal and a spiral seal, the mechanical seals can adapt to the production work conditions of the gas wave refrigerator well, and the long service life of equipment and stable and safe operation can be guaranteed.

The invention discloses an electronic device integrating a near-field communication NFC antenna, wireless charging and a display screen. The electronic device comprises a near-field communication NFCantenna and/or wireless charging antenna and display screen integrated assembly, a main printed circuit board PCB and a battery. The near-field communication NFC antenna and/or wireless charging antenna and display screen integrated assembly comprises a display screen assembly and a near-field communication NFC antenna and/or wireless charging antenna assembly. The display screen assembly comprises a flexible printed circuit board FPC and a display module. The flexible printed circuit board FPC comprises an area for providing a driving IC or a touch control IC, a connector for interconnectingwith the main printed circuit board PCB and a protruding portion area. The near-field communication NFC antenna and/or wireless charging antenna assembly is arranged on the protruding portion area ofthe flexible printed circuit board FPC. The electronic device can effectively utilize the space of the device, improves integration level, reduces metal spring assemblies, reduces assembly link and saves cost.

The invention discloses a single-spring resettable safety valve. The single-spring resettable safety valve comprises a shell, a flange arranged at the bottom edge of the lower portion of the shell serves as a slurry inlet, and a flange arranged on the right side of the lower portion of the shell serves as a slurry outlet; an oil cylinder assembly is horizontally arranged on the upper portion of the shell, a slurry cylinder assembly and a detection oil cylinder assembly are vertically arranged on the lower portion of the shell, the lower end of the slurry cylinder assembly is communicated with the slurry inlet, and the middle of the slurry cylinder assembly is communicated with the slurry outlet; the cylinder body wall of the detection oil cylinder assembly is communicated with an oil storage cavity through a communication pipe, and the oil storage cavity is communicated with an oil cavity arranged on the outer side of the right end of an upper piston of the oil cylinder assembly and a cavity arranged at the outer end of the upper portion of a lower piston of the slurry cylinder assembly. The device is high in adaptability, simple in structure and convenient to maintain and adjust.

The invention discloses a servo motor with a built-in coupling. The servo motor comprises a motor output shaft, a coupling bearing and a motor end cover, wherein the motor output shaft is positioned by the coupling bearing, and the coupling bearing is fixed on the motor end cover; and the coupling bearing consists of a bearing outer ring and a bearing inner ring, the side of the bearing inner ring, close to the motor output shaft, is of a shaft sleeve connection part which protrudes out of the bearing outer ring and is fixedly connected with the end of the motor output shaft, the other side of the bearing inner ring is of a transmission connection part which can be fixedly connected with an external transmission shaft, and the shaft axis of the shaft sleeve connection part of the bearing inner ring, the shaft axis of the transmission connection part of the bearing inner ring, and the shaft axis of the motor output shaft are coincident. By adopting the technical scheme, the servo motor has a simple structure and low cost, is compact in structure and convenient to install, improves the bearing strength, reduces transmission links, and improves the driving accuracy of the motor.

The invention provides a charging pile control method, a charging pile control system and an AC charging pile. The charging pile control method comprises the steps that a control instruction transmitted by a server is received; and the charging pile is controlled according to the control instruction. According to the charging pile control method, the charging pile is connected with the server and the control instruction transmitted by the server is received, and the charging pile is controlled according to the control instruction so that the charging pile is enabled to be accessed to the internet or the internet of things, the charging pile can be remotely controlled through the server and thus the charging pile is enabled to interact with users through the server. Besides, the users can also perform payment, acquire information and control the charging pile through the server so that use is facilitated for the users, and the defects that the conventional charging piles are single in payment mode and insufficient in information feedback can be solved.

The invention provides a low-voltage wire harness integration device for a drive motor of a new energy vehicle. The device comprises a PIN connector, a rubber sealing block, a low-voltage wire harness, a temperature sensor wire harness connector and a rotary variable rotor, wherein the low-voltage wire harness and the rotary variable rotor of the motor are integrated into a whole; one end of the low-voltage wire harness is connected with the universal PIN connector while the other end is connected with the rotary variable rotor, and no transitional PIN connection or manual wiring connection exists between the low-voltage wire harness and the rotary variable rotor; the rubber sealing block is integrated into the low-voltage wire harness, and clamped into a sealing groove of the motor shell, and wire harness can be sealed and pass through the motor shell by the compression of the sealing block. The device adopts the integrated design of the low-voltage wire harness and the rotary variable rotor of the motor, thus the probability that a connection error occurs at the low-voltage wire harness can be greatly reduced, the structure is compact, the installation is convenient and fast, and the system cost is low.

The invention discloses a multifunctional cover plate. The multifunctional cover plate comprises a cover plate body, a belt tightening wheel installation support and an idler wheel installation base, wherein one side of the cover plate body is provided with an extending portion extending outwards, the belt tightening wheel installation support is integrated with the outer end face of the cover plate body, the idler wheel installation base is integrated with the extending portion, and the idler wheel installation base and the belt tightening wheel installation support are located on the same outer end face of the cover plate body. According to the multifunctional cover plate, the installation bases for other parts are integrated with the outer side face of the cover plate body, the number of the parts of a whole engine can be reduced, the structure of the whole engine is compact, the engine faults caused by the poor quality of the parts of the engine and poor assembly quality are effectively controlled, and the cost of the structure is low.

The invention discloses a method for manufacturing an integral antimagnetic bearing with a preload. An outer bearing ring is connected with a bearing block into a whole, so that the strength of the bearing is improved, the assembly link is reduced, and the whole machining accuracy and the assembling accuracy of the bearing are improved; inner bearing rings, a rolling ball and a retainer are made of nonmagnetic materials, and the aim of resisting magnetism and not needing to regulate the preload is fulfilled. During actual use, a speed-stabilizing current value of a driving motor is low, so that the high-accuracy using requirement of a user is met; and the dimension between two inner bearing rings is calculated in advance, so that an accurate preload is automatically generated after the inner bearing rings are assembled, and the aim is fulfilled by arranging the bearing on a rotor shaft of the driving motor only.

The invention discloses a tool for measuring the center of gravity of a noncircular-section product, comprising: a base comprising first and second supports perpendicular to each other, wherein one end of the second support is fixed to the first support and two ends of the first support and the other end of the second support are each provided with a weight measuring device at bottom; two first positioning blocks, wherein one first positioning block is fixed to the first support, the other is movably disposed at the other end of the second support, and the two first positioning blocks are aligned along the length of the first support; two second positioning blocks arranged above the two first positioning blocks respectively and releasably and also aligned along the length of the first support; the first positioning blocks are in tight contact with a product under measurement, and the second positioning blocks are in tight contact with the product under measurement. The tool is simple in structure; machining is performed after overall weld-forming such that an assembly procedure is omitted; measured values obtained after actual measuring and machining are subjected to size calculation such that system errors are decreased.

The invention discloses an electric vehicle range extender. The electric vehicle range extender comprises an engine and a motor, a crankshaft of the engine is matched with a rotor of the motor in a transmission mode, and the engine comprises a left crankcase and a right crankcase matched with the right side of the left crankcase. The right crankcase is subjected to self deformation to form a containing cavity for mounting an oil pump rotor so that the containing cavity can be used as an oil pump shell; and the left crankcase is integrated with a plurality of stator mounting bosses used for mounting motor stators and a plurality of trigger mounting bosses for mounting triggers, and the left crankcase is provided with at least one limiting device for preventing a chain from falling off. Theelectric vehicle range extender integrates a pump body on the right crankcase, and the structure of the oil pump is simplified; the motor stators can be directly mounted on the left crankcase to enable the structure of the entire crankcase and motor to be compact; and meanwhile, after the left crankcase is integrated with stator mounting seats, the concentricity of the stator and the rotor is higher, and the output performance of the motor is more stable.

This invention is related to a fluid commutating clutch. Its oil route is: two transitional tie-ins on the shell-two counterpart oil routes-two independent oil routes of the initiative axletree-the chamber of oil jar of the front and the back clutches; the cover of the counterpart route is fixed on the front end, the oil jar is connected with the initiative axletree. This clutch has simple structure and equipping process, the oil route is hermetic and reliable, the performance of operation is sound and the time of usage is long. This invention is related to the multi-functional tractor that uses the above clutch. The tractor not only has the strong points of this clutch, but also it is assembled more reasonably. The concentric degree of the initiative axletree of the fluid clutch and the output axletree of the motor is higher.

The invention relates to a large broaching tool for one-step broaching forming. The large broaching tool comprises a broaching tool body and fasteners, and is characterized in that the broaching tool body is of a circular-barrel-shaped structure, a three-section broaching structure comprising a rough broaching tool case, a thick tooth-expanding fine tool case with tooth-skipping-structure circular holes, and a spline rough broaching part, a front handle and a rear handle are arranged on the broaching tool body; the spline rough broaching part is formed through machining at the middle section of the broaching tool body; the rough broaching tool case is fixed to the front part of the broaching tool body in a sleeving manner, the thick tooth-expanding fine tool case with the tooth-skipping-structure circular holes is fixed to the rear part of the broaching tool body in a sleeving manner, and the front handle and the rear handle are arranged in a front barrel and a rear barrel of the broaching tool body respectively, and are fastened through the fasteners respectively. Each of the broaching tool body, the rough broaching tool case, the thick tooth-expanding fine tool case with the tooth-skipping-structure circular holes, the front handle and the rear handle is provided with a location key slot. Front broaching teeth, rear broaching teeth, spline tooth roots and spline teeth are arranged on the broaching tool body. According to the large broaching tool disclosed by the invention, the assembly links of the broaching tool are reduced, the influence of an assembly error on the accuracy of the broaching tool is eliminated, and a chamfering tool case is not needed; and the large broaching tool is simple to machine, low in cost, easy to install and detach, and reliable in quality.

The invention provides an electric power-assisted braking system that comprises a power booster outer shell; a power assisting sleeve is arranged in the power booster outer shell; one end of a brake pedal push rod penetrates into one end of the power booster outer shell and is hinged to one end of a booster push rod. The booster push rod is installed at one end of the power assisting sleeve and can move in the power assisting sleeve; a motion conversion mechanism is mounted outside the booster push rod, is connected with a motor and used for realizing conversion from rotation to translation ofthe motor. According to the electric power-assisted braking system, conversion from rotation to translation of the motor is achieved through a gear reduction mechanism, and then a transmission targetis achieved through a hollow ball screw mechanism. By reducing the number of teeth of a pinion and increasing the number of teeth of a bull gear, the meshing frequency of the gears is reduced, meanwhile, the linear speed of the ball screw is reduced, and the NVH performance is improved.

The invention relates to the technical field of speed reducers and provides a speed reducer assembly which comprises a motor component, a differential mechanism assembly and a drive wheel axle, wherein the motor component is connected with the drive wheel axle and drives the drive wheel axle to rotate; a driving gear is arranged on the drive wheel axle, is meshed with a driven gear on the differential mechanism assembly and drives the differential mechanism assembly; and the differential mechanism assembly drives a left half axle and/or a right half axle. The invention further provides a vehicle. The vehicle comprises a vehicle body and the speed reducer assembly, wherein the speed reducer assembly is arranged on the vehicle body and is further connected with a vehicle half axle. Comparedwith the prior art, the speed reducer assembly has the following benefits: the speed reducer assembly is suitable for an electric vehicle; the speed reducer and a motor are integrated, so that the assembling link of the motor and the speed reducer is reduced, the unsprung mass of the finished vehicle is reduced, the power driving way is reduced, the transmission efficiency is improved, and the effects of the light vehicle body, energy conservation and emission reduction are realized.

The invention relates to an adjustable front fork structure of a children bicycle. The adjustable front fork comprise a handlebar, shoulder covers, a front fork, and tightening screws, wherein fork legs comprise four pipes, the four pipes are separated into two groups, each group of pipes respectively comprise an upper pipe and a lower pipe, the lower end of each upper pipe is inserted into the upper end of the corresponding lower pipe, each shoulder cover comprises a shoulder cover body part, a fork leg upper pipe inserting opening and a head pipe inserting opening, each head pipe inserting opening is used for connecting the corresponding shoulder cover and a head pipe of the children bicycle, the upper shoulder cover is fixedly connected with the two upper pipes, the lower shoulder cover is fixedly connected with the two lower pipes, the upper shoulder cover is fixedly connected with vertical pipes through a locking device, and the lower shoulder cover is detachably and fixedly connected with the fork legs by a locking device. The adjustable front fork structure of the children bicycle has the advantages that by adopting an argon arc welding method, a transverse pipe which is gripped by hands in the riding process and the two parallel vertical pipes are directly connected into a whole; the assembly procedure is reduced, and the fork legs are adjusted up and down by the handlebar and are locked by the fork leg, the shoulder covers and the tightening nuts, so as to adjust the height of the handlebar.

The invention relates to a detection tool assembly for detecting interference of a cam shaft hole and an engine oil pump hole of a diesel engine cylinder body. The detection tool assembly is formed by a cam shaft hole core rod, an engine oil pump hole no-go gauge core rod, an engine oil pump hole go gauge core rod and a detection flat plate, wherein the diameters of three measuring convex rings on the cam shaft hole core rod are the same as the size of the outer diameter of a cam shaft; the diameter of one end of the engine oil pump hole go gauge core rod is calculated by a distance allowance below nominal size from the center of the cam shaft to the center of an engine oil pump on the diesel engine cylinder body; and the diameter of one end of the engine oil pump hole no-go gauge core rod is calculated by a distance allowance above nominal size from the center of the cam shaft to the center of the engine oil pump on the diesel engine cylinder body. According to the detection tool assembly disclosed by the invention, the problem that whether the cam shaft and the engine oil pump of a diesel engine are interfered or not is more early and accurately found; and a follow-up unnecessary assembling link is reduced. The detection tool assembly disclosed by the invention is reasonable in design, simple to manufacture, low in cost, high in sensitivity, strong in practicability and convenient to operate.