109results about How to "Reduce assembly errors" patented technology

The invention provides a high-precision aero-engine final assembly automatic docking system and method, and the method comprises the steps: transporting a unit body on one side of an aero-engine to a side hanging type platform through an AGV, manually installing the unit body on the side hanging type platform, and hoisting the unit body on the other side to an AGV type docking platform; the AGV type butt joint platform is close to the side hanging type platform, and the height of the side hanging type platform is roughly adjusted till the two unit bodies are horizontal; the 3D line laser camera scans the unit bodies on the two sides to obtain and calculate relative poses; according to the relative posture data, the six-degree-of-freedom parallel posture adjusting table adjusts the posture of the hoisting unit body to be coaxial with the other unit body; the AGV chassis moves to conduct butt joint, and meanwhile a force sensor monitors the butt joint state in real time to judge whether secondary posture adjustment is needed or not; and the butt joint is completed. According to the method, the defect that butt joint is conducted through manual experience judgment in the past is overcome, the butt joint precision and efficiency are effectively improved, manpower resource consumption is reduced, and butt joint assembly of various aero-engine unit bodies can be achieved.

The invention provides an actuator, a joint module, a mechanical arm, a biped robot, a quadruped robot, a quadruped robot, a humanoid robot and a robot. The actuator comprises a shell, a motor assembly and a speed reducer assembly, the shell comprises an outer shell part, a first extension part and an inner cylinder part, and a first containing cavity with an opening is defined; the motor assembly is composed of a rotor, a stator, a rotor adapter and a rotary supporting assembly, the rotor adapter is provided with a rotor connecting part, a second extending part and a first connecting shaft part and is connected with the rotor, the rotor and the stator are arranged in the first containing cavity, and the rotary supporting assembly is arranged between the first connecting shaft part and the inner cylinder part; an input end transmission shaft of the speed reducer assembly is connected with the first connecting shaft part and rotates along with the rotor adapter, the second extension part is close to the speed reducer assembly, and the first extension part is far away from the speed reducer assembly relative to the second extension part. According to the invention, the transmission precision of the actuator and the stability of power output are ensured while the small size and compactness of the actuator are realized.

The invention relates to the technical field of robots, and provides an actuator, a joint module, a joint arm, a biped robot, a quadruped robot, a four-wheel-foot robot, a humanoid robot and a robotic.The actuator comprises a shell roughly in a hollow cylindrical shape, a motor assembly and a speed reducer assembly, and the speed reducer assembly comprises an inner gear ring roughly in a hollow cylindrical shape; the inner gear ring is embedded in the shell and fixedly connected with the shell through a plurality of first fasteners, and the first fasteners are arranged in the radial direction of the shell so that the shell can be fixedly connected with the inner gear ring in the radial direction. The actuator can be set to be smaller in axial size and radial size, the requirements for compactness and miniaturization of products in the field of robots at present are met, meanwhile, matching and installation of the shell and the inner gear ring are facilitated, assembly errors are reduced, and the transmission precision and stability of the actuator are improved.

The utility model discloses a pressing type rapid wiring terminal assembling device which comprises a machine frame, and the machine frame is provided with an assembling track and a workpiece moving mechanism used for conveying workpieces on the assembling track forwards. A box body feeding mechanism used for conveying plastic box bodies to the assembling track, an inserting piece assembling mechanism used for conveying hardware inserting pieces and pushing the hardware inserting pieces into the plastic box bodies, and a gland assembling mechanism used for conveying glands and pressing the glands on the upper surfaces of the plastic box bodies where the hardware inserting pieces are assembled are sequentially arranged on one side in the direction of a discharging opening of the assembling track. An automatic assembling process is adopted and comprises the steps of an intelligent workpiece moving mechanism, automatic workpiece feeding, assembling, press fit and the like, the assembling process can be more intelligent and automatic, the requirement for manual operation is reduced, the operation error rate is reduced, and the production efficiency and the assembling quality are improved; and the production space is saved, and the requirements of the modern manufacturing industry for high-quality, high-efficiency and intelligent production are met.

The utility model discloses a fixing assembly and air outlet equipment, the air outlet equipment comprises a panel, an air opening assembly and the fixing assembly, and an air outlet is formed in the panel; the air port assembly is exposed out of the air outlet; the fixing assembly is used for installing the air opening assembly on the panel in a rotatable mode. According to the fixing assembly and the air outlet equipment, the structural arrangement of the air outlet equipment is more reasonable, and better air outlet performance can be achieved.

The utility model relates to the technical field of pipe detection, in particular to an enhanced design of detection precision of a detection device. The utility model discloses a steel pipe surface defect detection device which can keep high-precision dynamic stability in the detection process, provide a clean detection environment and optimize the imaging precision of the steel pipe surface defect detection device. The detection device comprises a shell, an imaging assembly arranged in the shell and a clamping assembly used for clamping a steel pipe, and the shell is provided with a dustproof ring used for allowing the steel pipe to pass through. The clamping assembly comprises a downward pressing device moving in the vertical direction and a supporting roller arranged on a downward pressing path of the downward pressing device, and the supporting roller is used for supporting the bottom of the steel pipe and guiding the steel pipe to enter the shell through rolling movement.

This invention relates to the field of automated assembly technology and discloses an automated assembly equipment and method for hydraulic cylinders, including an assembly table. The top surface of the assembly table is provided with a piston turning assembly for moving a piston to a workstation. Above the assembly table is a piston adjusting mechanism for workstation transfer of the piston. Above the assembly table is a piston outer sealing ring fitting assembly for fitting an outer sealing ring onto the piston surface. This invention not only achieves continuous piston transport, workstation transfer, and sealing ring assembly through a fully automated design, including an electric conveyor belt, turntable, and cylinder drive assembly, but also significantly reduces manual intervention, improves overall assembly speed and production efficiency. The drive device and transmission components ensure accurate piston positioning at each workstation and precise fitting and insertion of the sealing ring, effectively reducing assembly errors.

The application discloses a stator assembly and a motor with the same. The stator assembly comprises a stator body, a first bearing support arranged on one end of the stator body and formed with a first bearing mounting position, and a second bearing support arranged on the other end of the stator body and formed with a second bearing mounting position. When a rear bearing is mounted on the second bearing support through the second bearing mounting position, an installation gap is left between the rear bearing and the second bearing support, which serves as a mounting position of a wave-shaped gasket. The structure of the application changes the mounting position of the wave-shaped gasket on the motor, effectively reduces the parts affecting the precision of the distance between the shaft extension end face and the flange end face of the motor, reduces the tolerance accumulation and assembly error of the parts, and further improves the precision of the distance between the shaft extension end face and the flange end face of the motor, and facilitates the assembly of the motor.

This utility model discloses a self-positioning fan-shaped anode CNC integrated machining fixture, including an operating table, a first positioning component, and a second positioning component. The operating table has a central hole. The first and second positioning components have fan-shaped ring bases with central angles of 120° and 90° respectively, integrally formed with the operating table. Each positioning component has concentrically distributed fan-shaped ring support surfaces, symmetrically distributed positioning through holes, and limiting posts. The positioning through holes are concentric with the central hole, and the limiting posts maintain a preset center distance from the central hole. This utility model reduces assembly errors, uses stainless steel material and high-precision surface treatment to ensure stability, utilizes alloy steel limiting posts to enhance load-bearing capacity, and combines the central hole, positioning through holes, and limiting posts to form a three-level positioning reference system. This enables multi-size anodes to be clamped in one operation for integrated milling, drilling, and other processes, resulting in high assembly accuracy, effectively shortening clamping time, and improving processing efficiency and product yield.

The invention relates to a three-level astronomical science popularization telescope suitable for college, middle and primary schools and a use method, the telescope comprises a college lens cone, a middle school lens cone and a primary school lens cone, and the middle school lens cone and the primary school lens cone are detachably connected with the college lens cone respectively; the outer wall of the primary school lens cone is provided with a sticker or a two-dimensional code for interactive learning. The telescope has the beneficial effects that the telescope design covers primary school, middle school and university stages, the learning requirements of students of different age groups are met, and the students can gradually go deep into astronomical knowledge and cultivate the interest of scientific exploration by adjusting the specifications and multiplying power of the objective lens and the eyepiece; meanwhile, the middle school lens cone, the primary school lens cone and the university lens cone are convenient to disassemble and assemble, and are convenient to transport and assemble in cooperation with a compact storage design.

The utility model relates to the technical field of power batteries, in particular to a power battery module and a battery pack. The power battery module comprises a battery cell assembly, a PTC heating assembly and a fixing assembly. The PTC heating assembly comprises a plurality of PTC heating plates which are arranged in a segmented mode. The fixing assembly is arranged on the battery cell assembly, and the PTC heating plate is fixed on the battery cell assembly through the fixing assembly, so that the PTC heating plate is tightly attached to the battery cell assembly. The PTC heating assembly is arranged in a segmented manner, namely, the PTC heating assembly is divided into a plurality of PTC heating plates, so that the assembly difficulty and the assembly error of the PTC heating plates can be reduced, the working efficiency is improved, and the cost is saved. Through the arrangement of the fixing assembly, the PTC heating plate can be tightly attached to the battery cell assembly, so that a gap between the battery cell assembly and the PTC heating plate is avoided, the heating efficiency of the PTC heating plate on the battery cell assembly is improved, and the cost is saved.

The utility model relates to a rear brake stroke guaranteeing tool, which is clamped on a vehicle handle, measures the swing displacement of a brake handle by taking the vehicle handle as a reference, and structurally comprises a clamping part which is connected with the vehicle handle in a clamping manner, and a measuring part which is positioned on a swing displacement path of the brake handle and measures the displacement of the brake handle. According to the utility model, the clamping part at the front end of the clamp is clamped on the handlebar of the electric vehicle, the scales on the left side and the right side are read, applicable brake requirements are set for different vehicle types, the brake is adjusted to the appointed scale position of the hand brake, and the rear brake stroke in the production and manufacturing process of the electric vehicle is consistent.

The invention relates to the technical field of membrane separation, and discloses a multi-channel filtering membrane bag which comprises a membrane bag body, and the membrane bag body at least comprises a first functional unit, a material channel layer and a second functional unit which are sequentially stacked in the thickness direction; the first functional unit comprises two first functional film layers which are oppositely arranged and a first supporting flow guide layer located in the middle, and the first functional unit is formed by welding in advance; the second functional unit comprises two second functional film layers which are oppositely arranged and a second supporting flow guide layer located between the two second functional film layers, and the second functional unit is formed by welding in advance; the first functional unit, the material channel layer and the second functional unit are provided with mutually aligned communicating hole sites, and are connected in a peripheral sealing manner to form an integral membrane bag structure, so that different functional membrane layers and a material flowing area form an integrated structure, and various treatment processes such as filtration, concentration, cleaning or gas transfer and the like can be realized in the same membrane bag; therefore, the functional integration level of the membrane module is improved.

The invention discloses an operating mechanism, a circuit breaker and electric equipment, and relates to the technical field of low-voltage apparatuses. The operating mechanism comprises a contact seat, a locking assembly and a moving contact. The locking assembly and the moving contact are connected to the contact seat. When the locking assembly acts, the moving contact is driven to be switched off or switched on through the contact seat. The operating mechanism is simple in structure and convenient to assemble.

The present application relates to the technical field of millimeter wave communication, and particularly relates to a V / W wave band low-loss metal waveguide and a preparation method thereof. The preparation method provided by the present application combines metal additive manufacturing, inner wall conductive metal deposition, super-smooth inner surface polishing and external single-point diamond turning technology. The waveguide manufactured by the composite process chain comprises an aluminum-magnesium (zirconium) alloy waveguide structure manufactured by laser beam melting additive manufacturing, a copper (silver) inner wall coating deposited by chemical reduction plating technology, an inner wall surface with a roughness of less than 50 nm Ra processed by abrasive flow machining, and a self-aligning flange with a flatness of less than 0.1 microns and a butt joint surface roughness of less than 20 nm Ra processed by super-precision machining. The present application improves the electrical performance, thermal interface consistency and assembly accuracy. The preparation method of the present application solves the problems of high insertion loss of the existing waveguide structure in high-frequency applications, high-cost mode coupling caused by large structural assembly errors, uncontrollable inner wall roughness and the like.

The utility model relates to label stripping technical field discloses a kind of self-adhesive label stripping positioning device, including rack, the right side fixedly connected with storage pole of rack, the outer wall top of storage pole is equipped with multiple limit holes, the outer wall slidingly connected with sliding block of storage pole, the outer wall top of sliding block is fixedly connected with baffle, the inner wall rotationally connected with rotating shaft of sliding block, the outer wall rotationally connected with baffle pole of rotating shaft, the right side fixedly connected with spring one of sliding block, the right end fixedly connected with limit block of spring one, the top fixedly connected with casing of limit block. In the utility model, through the cooperation of slidable elastic component, different width label roll can be quickly adapted, the efficiency of changing material is improved, the coaxiality is guaranteed, the assembly error is reduced, the precision and stability of different size label processing are significantly improved, and the equipment debugging difficulty and downtime are reduced.

The application discloses a ship body segmentation splicing method based on a laser point cloud device, and comprises the following steps: acquiring X partial point cloud data of a ship body segmentation; splicing the X partial point cloud data by using the spatial overlapping part and the same features of the point cloud data; deleting the point cloud data of a part which is not needed to be compared with a ship body segmentation design model, and reserving the ship body segmentation point cloud; generating a target point by the key position of the ship body segmentation point cloud data, performing coordinate conversion on the coordinates of the target point and the corresponding position of the ship body segmentation design model, converting the coordinate system of the ship body segmentation point cloud data into the same as the theoretical coordinate system of the ship body segmentation design model; outputting the required point cloud format, saving the complete ship body segmentation point cloud data, and realizing the ship body segmentation splicing. The precision and efficiency of the segmentation splicing directly determine the linear smoothness, structural strength, assembly stress, construction period and cost of the final ship body, and is one of the core key processes of ship construction.

This invention relates to the field of capacitor aging discharge technology, and more particularly to a discharge device for secondary aging of aluminum electrolytic capacitors. The device includes a discharge cabinet, a fixed base fixedly connected inside the cabinet, a fixed sleeve fixedly connected to the fixed base, a turntable rotatably connected through the fixed sleeve, two symmetrically rotatably connected flip frames on the turntable, a capacitor positioning adjustment mechanism fixedly connected to the flip frames, and two symmetrically rotatably connected push-pull mechanisms on the turntable. Each push-pull mechanism has a capacitor pin correction mechanism. By using the capacitor pin correction mechanism, the pins can be automatically corrected, ensuring precise alignment with circuit board holes, reducing assembly errors caused by pin tilting or bending, and improving insertion accuracy. The capacitor pin correction mechanism effectively improves production efficiency and capacitor performance, ensuring stable and reliable operation of the capacitor in the secondary aging discharge device.

The application provides a battery device and a power utilization equipment. The battery device comprises a box body having a containing space, a battery monomer assembly accommodated in the containing space, and a current collecting pipe. The battery monomer assembly comprises a plurality of battery monomers arranged along a first direction. The current collecting pipe extends along a second direction and is arranged at one end of the battery monomer assembly along the first direction. The current collecting pipe comprises a first cavity, a second cavity and a communicating pipe. The first cavity and the second cavity are arranged in a stacked mode along a third direction. The communicating pipe is arranged inside the first cavity and the second cavity. A heat exchange pipe extends along the first direction and is connected with an outer surface of the first cavity along the third direction. The heat exchange pipe comprises a first heat exchange pipe and a second heat exchange pipe arranged along the second direction. The first heat exchange pipe is in communication with the first cavity. One end of the communicating pipe along the third direction is in communication with the second heat exchange pipe, and the other end of the communicating pipe passes through the first cavity and is in communication with the second cavity. The application is beneficial to improving the use performance of the battery device.

The transmission assembly of the linear lifting device comprises a lead screw, a spline sleeve and a hollow hollow shaft arranged on the outer side of the lead screw in a sleeved mode, the spline sleeve is arranged on the outer side of the lead screw in a sleeved mode and rotates synchronously with the lead screw, the spline sleeve is connected with the inner wall of the hollow hollow shaft in a circumferential relative fixing and axial relative moving mode, and the spline sleeve is composed of two half sleeve bodies. The two half sleeve bodies are folded in the radial direction of the lead screw to form a spline sleeve, one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning protrusion, the other one is provided with a positioning groove, and the positioning protrusions and the positioning grooves are matched in a radial inserting mode so that the half sleeve bodies can be axially fixed relative to the lead screw. The hollow shaft sleeves the spline housing and is used for limiting the positioning protrusions from being separated from the positioning grooves. According to the transmission assembly, the assembly process is simplified, and the integrity and the structural strength of the lead screw are guaranteed; the two half sleeve bodies can be directly folded or separated in the radial direction, and disassembly and assembly are convenient. In addition, the utility model further discloses a linear lifting device provided with the transmission assembly.

The transmission assembly of the linear lifting device comprises a lead screw, a spline housing and a hollow hollow shaft arranged on the outer side of the lead screw in a sleeved mode, the spline housing is fixedly arranged on the outer side of the lead screw in a sleeved mode, and the spline housing is connected with the inner wall of the hollow hollow shaft in a circumferential relative fixing and axial relative moving mode. The spline sleeve comprises two half sleeve bodies and a connecting piece, the two half sleeve bodies are folded in the radial direction of the lead screw and then connected through the connecting piece to be kept in a folded state, one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning protrusion, and the other one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning groove. The positioning protrusions and the positioning grooves are matched in a radial inserting mode so that the half sleeve bodies can be axially fixed relative to the lead screw. In addition, the utility model further discloses a linear lifting device provided with the transmission assembly.

The utility model discloses a kind of puncture type welding-free joints, it is related to welding-free joint technical field, to solve the problems of existing puncture type welding-free joint complex structure, accessory, high cost. The puncture type welding-free joint includes joint shell and puncture type conducting sheet, joint shell is equipped with containing cavity, containing cavity both ends open, puncture type conducting sheet is installed in containing cavity, and one end of puncture type conducting sheet is equipped with puncture convex tooth;The joint shell on the side of puncture convex tooth is reversely connected with gland. The utility model only includes joint shell and puncture type conducting sheet two core components, simple structure, substantially reduce the number of accessories and production process, reduce production cost;Convenient to operate simultaneously, without professional tool and skill, can quickly complete light bar connection, and connection stability is high, effectively improve use experience, suitable for various connection scenarios of LED soft light bar.

The present invention relates to the technical field of insulating magnetic ring production, and discloses an insulating magnetic ring automatic production line and a production method thereof, comprising a frame, a feed plate fixed at one end of the frame, a fixed frame fastened at the other end, a feed table fixed at one side of the frame, two feed troughs arranged on the feed table, a mounting seat fixed at one side of the frame, a mounting block symmetrically fixed at the bottom of the frame, a cylinder 1 fixed on the mounting block, a guide plate fixed on the frame, guide strips symmetrically fixed on the guide plate, guide grooves arranged on both sides of the guide plate, and through holes arranged in an array on the guide plate. The automatic production line of the present invention can transport magnetic ring parts of different sizes, has a wide range of application, is simple to load and unload the magnetic ring, has high loading accuracy, and simultaneously assembles the outer shell of the magnetic ring, assembles the insulating magnetic ring automatically, and moves the magnetic ring by moving two clamping rollers, and then clamps the magnetic rings of different sizes, which is convenient for the automatic winding operation of the magnetic ring, has high production efficiency, and has low production cost.

The utility model relates to paper medium crushing technical field of destruction center, concretely is a kind of for destroying classified paper shredding equipment, including horizontal interval distribution's first-stage crusher and second-stage crusher, the discharge outlet of first-stage crusher is set with second-stage feeding belt between the feeding port of second-stage crusher, second-stage feeding belt is provided with fire alarm component in the connection place of first-stage crusher, the classified paper shredding equipment for destroying classified paper is destroyed effect and the destruction processing quantity is big;Subsection integral cutter has the advantages such as big strength, small assembling error, when blade unit wears or the situation such as cutter head breaks, cutter body is not lysed, does not affect to continue to use, when tool is seriously broken, only need to replace the blade group that appears problem, and do not need to replace entire subsection integral cutter group, maintenance cost is low;Equipment height is low, can adapt to with a large number of places, and it is convenient to maintain;Equipment has fire alarm function, effectively prevent the occurrence of fire.

The utility model provides a rotating prism assembly which comprises a prism, a rotating mechanism and a base. The prism comprises a plurality of reflecting mirror surfaces, and the reflecting mirror surfaces are uniformly distributed around an axis; the prism is provided with a circular hole extending along the axis. The rotating mechanism comprises a rotating shaft and a rotating wheel fixed on the rotating shaft; the rotating shaft is rotatably mounted on the base; the rotating wheel is mounted in the circular hole of the prism, and the peripheral wall of the rotating wheel is bonded and fixed with the hole wall of the circular hole; a plurality of glue grooves are formed in the outer side of the peripheral wall of the rotating wheel; a positioning concave part is arranged at the lower end of the round hole; the positioning concave part comprises a side wall and a bottom wall which are perpendicular to each other, and the lower end of the rotating wheel is flush with the bottom wall of the positioning concave part. According to the technical scheme, the polyhedral prism is loaded on the annular peripheral wall of the rotating wheel, and the positioning concave part is arranged at the lower end of the circular hole of the prism, so that a positioning reference is provided for mounting of the rotating wheel, assembly errors are reduced, and mounting precision and stability of the prism are improved; the technical scheme is simple in installation and operation, easy to implement and high in production efficiency.

The utility model discloses an assembly tool for an automobile window frame rearview mirror mounting plate, which comprises a positioning plate, a first positioning part, a second positioning part, a first clamping part and a second clamping part, the first positioning assembly is arranged on the positioning plate, and the first positioning assembly comprises a second positioning piece which can be connected with the top plate; and the second positioning assembly is arranged on the positioning plate, the second positioning assembly comprises a plurality of first positioning columns, and the first positioning columns can be inserted into the positioning holes of the inner plate and the outer plate at the same time. According to the utility model, the positioning plate is arranged to position the bottom plate, and meanwhile, the first positioning assembly is arranged to position the top plate, so that accurate positioning of the inner plate is realized, and the problem of difficulty in accurate positioning caused by large height difference of each position of the inner plate is solved; the outer plate and the inner plate are positioned through the second positioning assembly, so that positioning of the inner plate and the outer plate is achieved, and assembly errors of the inner plate and the outer plate are reduced.

The application provides an infusion cassette of an infusion device, the infusion device and an infusion pump. The infusion cassette has a flow channel. The infusion cassette comprises a rigid assembly, an elastic diaphragm and a locking mechanism. The rigid assembly comprises a plurality of components stacked together. At least one of the components is provided with a groove. The elastic diaphragm is arranged between two adjacent components to seal the groove. The locking mechanism comprises a mounting frame and a liquid stopper fixed to the mounting frame. The liquid stopper can press the elastic diaphragm to close the flow channel. The locking mechanism closes or opens the flow channel through the liquid stopper. The mounting frame is movably connected to a main frame to enable the locking mechanism to switch between a closed state of closing the flow channel and an open state of opening the flow channel. The infusion cassette has high machining precision, simple assembly and small assembly error because the rigid assembly and the elastic diaphragm are injection molded parts. The possibility of unexpected displacement and swing of the elastic diaphragm is small. The infusion cassette can prevent excessive infusion and environmental hazards caused by liquid flow.

The application discloses a kind of construction hoist standard section rack automatic positioning installation combination mechanism, more specifically related to machine tool combined machining technical field, including machine tool table, two side tables, two lifting strips and end checking assembly, the upper surface of machine tool table is fixed with two side tables;Two lifting strips are installed between two side tables;End checking assembly is installed on the side of lifting strip.The application has double checking of rack and standard section end, and multi-dimensional comprehensive checking of hole position, tooth groove and side surface position in the middle of rack and standard section, effectively avoids rework caused by end size inconsistency, reduces rework rate in later processing, reduces rework installation cost of machine tool combined machining, thereby solve the high error rate of installation combination, directly lead to rework rate in later processing greatly increases, greatly improve the combined machining cost of machine tool.

A crankshaft gear ring press-fitting tool belongs to the technical field of crankshaft machining and comprises a tool table with a mounting window, a crankshaft carrying table is rotatably mounted in the mounting window of the tool table, a lifting plate with a lifting notch and an end supporting plate are arranged in the crankshaft carrying table, a lifting positioning mechanism is mounted in the crankshaft carrying table, and the end supporting plate is provided with a lifting notch. A pushing and positioning mechanism and a clamping and positioning mechanism are fixedly installed on the table top of the tool table, semicircular plates are fixedly installed on the front surface and the rear surface of the crankshaft carrying table, a half gear ring is fixedly installed on the rear surface of the semicircular plate on the rear side, a stepping motor is fixedly installed below the table top of the tool table, and the outer surface of an output shaft of the stepping motor is sleeved with a driving gear. According to the press-fitting mechanism, assembly errors caused by positioning deviation can be reduced, repeated unnecessary friction between the gear rings and the crankshaft can be avoided, the abrasion risk can be reduced, the transmission precision of the crankshaft can be guaranteed, meanwhile, press-fitting force can be evenly distributed, assembly defects can be avoided, and the reliability and stability of products can be improved.

The utility model relates to the technical field of camera shooting equipment, and discloses a camera shooting module, which comprises a base assembly, a shell, a lens assembly, a bearing piece, an image sensor and a driving module, and is characterized in that the base assembly comprises a base and a fixing piece, and the fixing piece is integrally arranged on the base and is positioned on one side of the base; an accommodating cavity is formed between the shell and the base assembly; the lens assembly is fixed in the central opening of the shell; the bearing part is arranged in the accommodating cavity in a sliding manner; the image sensor is fixed on the bearing part; the driving module comprises a magnet assembly and a coil assembly; the bearing piece is provided with a first sliding groove, the fixing piece is provided with a second sliding groove, and a guiding piece is installed between the first sliding groove and the second sliding groove. A first limiting piece is arranged at the upper end of the first sliding groove, and a second limiting piece is arranged at the lower end of the second sliding groove and used for preventing the guiding piece from sliding out. According to the utility model, the assembly steps and assembly errors can be reduced, and the perpendicularity between the fixing piece and the base is ensured; and the bearing part can be conveniently and smoothly installed, the assembling difficulty is reduced, and the product robustness is improved.