120results about How to "Avoid Positioning Effects" patented technology

The invention discloses a method and a device for reporting positioning measurement information, which are applied to the technical field of wireless communication. The method comprises the following steps: a first terminal device determines first positioning measurement information and first information, and sends the first positioning measurement information and the first information; wherein the first information indicates association between at least one antenna reference point and at least one sidewalk positioning reference signal sent by the at least one antenna reference point, and the at least one antenna reference point is an antenna reference point on a first terminal device.

The invention discloses a signal data real-time acquisition, storage and transmission device applied to a hydrophone, and the device comprises a plurality of sound wave receivers disposed on a measurement platform to form a matrix layout; receiving sound wave signals of different underwater paths, and performing electric signal conversion; analyzing the received sound wave signal, extracting signal data of the sound wave, and calculating the arrival angle of the sound wave signal; calculating the position of a target signal source, determining main signals in different paths, and correcting the main signals; the corrected signal data is transmitted to a storage device for segmented storage; according to the invention, the plurality of receivers are deployed on the measurement platform to form the matrix layout, and the position of the target signal source is calculated, so that the main signals received by the receivers are determined, the multipath effect caused by water body boundary reflection is eliminated, the main signals are corrected, the quality and accuracy of the signals are improved, and the measurement accuracy is improved. And accurate transmission and storage of underwater signals are ensured, so that the performance of the hydrophone system in a complex underwater environment is ensured.

The invention relates to the technical field of automatic machining equipment, in particular to a bending method and a bending device.The bending method provides bending device.The bending device comprises a first bending unit and a second bending unit, the first bending unit is provided with a first bending part, and the second bending unit is provided with a second bending part; the method comprises the following steps: transferring a flexible structure to a first bending unit; the first bending part is driven to do jacking motion in the first direction to jack the first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position; the flexible structure bent for the first time is transferred to a second bending unit; and the second bending part is driven to do translational motion in the second direction, so that the flexible structure is pushed to be close to the position of the second bending position, and the flexible structure forms a second bending structure at the second bending position. The invention mainly aims to provide a bending method and aims to realize secondary bending of a flexible structure.

The invention relates to a positioning technology, and discloses a seamless indoor and outdoor positioning system of a conduction fusion integrated base station, which comprises a Beidou ground-based augmentation network, a mobile positioning terminal and a core cloud service, and is characterized in that the Beidou ground-based augmentation network is used for receiving and processing signals from Beidou satellites; the mobile positioning terminal is used for receiving signals of a Beidou satellite and a Beidou ground-based augmentation network, and the core cloud service is used for receiving positioning data uploaded by the mobile positioning terminal and providing accurate position information; the method has the advantages that the positioning precision is high, and the positioning precision and stability are improved by fusing multiple factors such as communication signal strength and base station position information; seamless switching: seamless switching of indoor and outdoor environments is realized, the situation of positioning interruption or jump is avoided, and the user experience is improved; and the cost is low: an integrated base station design is adopted, so that the hardware cost and the maintenance cost are reduced, and the economical efficiency of the technology is improved.

The utility model provides a bucket rod rear shaft seat lifting assembly tool, which relates to the technical field of excavator assembly and comprises a pin shaft, a shaft hole used for being coaxially matched with a rear shaft seat, and a stopper detachably matched with the outer circumferential surface of the pin shaft and used for abutting against the end surface of the rear shaft seat, one end of the lifting rod is detachably connected to one end of the pin shaft, and the other end extends out of the outer circumferential surface of the pin shaft to form a lifting connecting part; the position adjusting piece comprises a position adjusting rod and a locking piece, a sliding groove is formed in the hanging rod, one end of the position adjusting rod is installed in the sliding groove through the locking piece, and the position adjusting rod is used for abutting against the lug part of the rear axle seat so as to position the annular posture of the rear axle seat; in order to solve the problem that the posture is inconvenient to control when the rear axle seat is hoisted and assembled at present, the axial position is positioned by adopting a stop on a pin shaft, and the annular posture of the rear axle seat is positioned by adopting a position adjusting rod, so that the rear axle seat can be hoisted in place in a required posture, and the hoisting precision is improved to ensure the subsequent assembly precision and the processing efficiency.

The present invention belongs to the field of software compilation, and is specifically a method for locating software non-repeatable compilation faults and automatically generating patches, including: constructing a compilation environment, obtaining a source code package to generate artifacts; judging whether the artifacts generated twice are consistent; calling a compilation tracking program to track the compilation process of the source code package; locating non-repeatable compilation faults; obtaining historical repair patches and automatically generating repair patches for software source code packages; repairing software source code packages; and repairing software soundness detection. The method of the present invention can locate software non-repeatable compilation faults and automatically generate repair patches, avoiding the tedious work of developers manually locating and repairing in previous repair work, and greatly saving time.

The invention provides an automatic test method and device. The method comprises the following steps: acquiring a test case generation request; generating task information according to the test case generation request; wherein the task information comprises task dependency information corresponding to each task, an interface document corresponding to each task and a test parameter extracted based on the test case generation request; according to the interface document corresponding to each task and a test parameter extracted based on the test case generation request, generating a calling function corresponding to each task; and according to the task dependency information corresponding to each task, arranging the corresponding call function, generating a call stream, and executing the call stream to obtain a test result. According to the method and the system, automatic testing is realized, the workload and the difficulty of manually writing interface automatic cases are greatly reduced, the flexibility, the customizability, the automation degree, the accuracy, the maintainability and the efficiency of testing are improved, meanwhile, problems are conveniently positioned and solved, and the quality and the effect of software testing are favorably improved.

The invention discloses a coke oven vehicle alignment precision confirmation device, and relates to the technical field of coke oven vehicle alignment devices, the coke oven vehicle alignment precision confirmation device comprises a vehicle body and a coke pushing rod, and further comprises a regulation and control part, the regulation and control part is used for finely adjusting the position of the coke pushing rod on the vehicle body, and the regulation and control part comprises a mounting frame; the vehicle body is provided with a mounting groove in left-right sliding fit with the mounting frame, and the mounting groove is provided with a regulation and control assembly matched with the mounting frame. And the conveying part is used for conveying the coke pushing rods on the mounting frame front and back. The coke pushing rod alignment precision detection device has the advantages that the coke pushing rod alignment precision detection mode is simple, secondary positioning can be subjected to energy storage through the position change of the alignment detection plate in the detection process, secondary positioning of the coke pushing rod is directly and automatically completed after detection is completed, it is guaranteed that follow-up coke pushing treatment is carried out smoothly, manual secondary calibration is not needed, and the detection efficiency is improved. The automation degree is high, and the coke pushing efficiency can be greatly improved.

The invention discloses a multi-source fusion continuous positioning method in combination with a prior feature map, and aims to solve the problem that an existing vision-inertial odometer easily generates accumulative errors in a GNSS denial environment, the method comprises the following steps: constructing a prior feature map comprising key frame poses, feature point descriptors and 3D coordinates based on an open source algorithm; a track displacement difference alignment strategy is adopted to complete visual-inertial system and GNSS joint initialization, and ESIKF is used to replace EKF to improve fusion precision; robust alignment of a local coordinate system and a map coordinate system is achieved through a single-frame geometric constraint accumulation-batch manifold alignment strategy; based on the reverse PnP, the current 3D point cloud and the historical 2D observation constraint are utilized to resolve the relative pose, the map matching result is used as observation to be fused with the GNSS or replace GNSS observation, the ESIKF loose coupling is utilized to eliminate accumulative errors, and continuous high-precision positioning in the GNSS failure scene is achieved.

The SAM-based curved component crack image drawing method comprises the steps of S1, acquiring a target curved component image; s2, segmenting the target curved component; s3, extracting the contour of the target curved component; s4, identifying a crack of the target curved component; and S5, generating a crack form graph of the target curved component. An SAM segmentation method is utilized to obtain a component edge image, a sliding non-overlapping window method is utilized to obtain a crack image, finally, the component edge image and the crack image are combined to draw an experimental beam crack image, all parameters such as image sizes are the same as those of an obtained original image, and the position in the final crack image is the original position in the original image. The method has the advantages that size changing and repositioning are avoided, manual operation in repeated experiments of a large number of experimental components is reduced, complex preparation work is not needed, one-key generation of the crack image is achieved, the problem that the efficiency of a traditional mode of manually drawing the crack image and measuring the crack width is low is solved, and the method has the advantage of being high in generalization and convenient to use and popularize.

The utility model discloses a kind of snow tire tread pattern processing devices, it is related to tire production technical field.The utility model includes support component, the outer surface of support component is inserted with several pattern components, and support component support end is provided with several elastic fixing components corresponding pattern component, and the outer surface of pattern component is equipped with shielding sealing component.The utility model is pulled to the fixed end of elastic fixing component, so that fixed end no longer limits the insertion end in the inside of support component, then the whole pattern component is moved, so that insertion end is moved from the inside of support component under the driving of pattern component;Above all, when the pattern component set on the outside of support component is disassembled and replaced, it only needs to be pulled to elastic fixing component and pattern component in turn, effectively avoids the multiple work steps alignment and repeated positioning problem of traditional bolt fastening mode, significantly improves maintenance efficiency and ensures the cooperation precision between modules.

The invention relates to the technical field of straightening equipment, and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, and strip-shaped tooth grooves matched with moving gears are formed in the two sides of the interior of the machine body; one side of the machine body is provided with a PLC (Programmable Logic Controller) control cabinet for calculating input shaft workpiece data information and generating a control signal, and the PLC control cabinet is used for controlling each mechanism on the machine body in an operation process. By adding and arranging the movable detection mechanism, when the shaft workpiece is straightened, the movable detection mechanism adopts a lever type detection structure, can be tightly attached to the surface of the shaft workpiece, sensitively captures bending deformation information of the workpiece, realizes accurate acquisition of deformation, avoids subjectivity and errors of manual detection, and improves the straightening accuracy of the shaft workpiece. And full-length movement detection can be realized along a linear sliding rail, all parts of the shaft workpiece are covered, and the condition of missing detection of a deformation position is avoided.

The utility model belongs to the technical field of machining and forming of automobile parts, and particularly relates to oil injection and dispensing equipment which comprises an oil injection mechanism, a dispensing mechanism, a cleaning mechanism and a four-way mechanism and is used for conveying lubricating oil to a preset position of a device to be machined. The conveying device is used for conveying sealant liquid to a preset position of a to-be-processed device; the cleaning machine is used for outputting a cleaning agent for cleaning oil stains and adhesive residues; an oil injection channel, a glue injection channel, a cleaning channel and an output channel are arranged in the four-way mechanism, the oil injection channel, the glue injection channel and the cleaning channel are respectively connected with the output ends of the oil injection mechanism, the glue dispensing mechanism and the cleaning mechanism one by one, and an outlet of the output channel faces a device to be processed. Wherein the output end of the oil injection channel and the output end of the glue injection channel are communicated with the output channel, the number of the output ends of the cleaning channels is two, and the output ends of the two sets of cleaning channels are communicated with the oil injection channel and the glue injection channel respectively.

The utility model belongs to the technical field of positioning and taking mechanisms, and particularly relates to a copper alloy floor drain positioning and taking mechanism based on a truss manipulator. A cross beam of a sliding block frame is arranged above the working body, a mechanical claw assembly is arranged on the cross beam of the sliding block frame, a positioning conveying table is arranged outside one side of the working body, a double-head motor is arranged above the positioning conveying table, a driving disc is arranged at one end of the double-head motor, and a supporting rod and a guide column are arranged on the side face of the driving disc. A driving disc is arranged in the structure, a rotating disc is arranged on one side of the driving disc, a first rotating column and a rotating roller are arranged on the other side of the rotating disc, the rotating roller is inserted into the lower portion of the positioning conveying belt, meanwhile, a second rotating column and a rotating roller are arranged on the other side of the double-end motor, and the rotating roller is inserted into the lower portion of the receiving conveying belt. And the work of the mechanical claw assembly can be well positioned, manual material distribution or pushing positioning is avoided, the workload and the working intensity are reduced, and the working efficiency is improved.

The utility model relates to the rim machining technical field provides a positioning tool for forklift rim production, include: base, still include: positioning assembly, set up in the outer surface of base, positioning assembly includes: the placement board, the top center of movable setting in the base, the top center of placement board is equipped with the sliding slot, two -way screw rod, movable setting in the sliding slot, adjusting assembly, set up in the outer surface of base, the rim that needs processing is placed on the placement board, rotates two -way screw rod through the turntable, two -way screw rod is driven arc clamping plate to rim and is held positioning, make rim positioning on the placement board, open electric push rod drive shaft sleeve, pivot and positioning disc and go down, the upper end of rim is positioned, make it more stable positioning on the placement board, pivot can rotate in the inside of shaft sleeve, therefore, when placement board drive rim rotates, positioning disc also rotates along, the upper end of rim is positioned.

The invention discloses a Kubernetes-based GPU fault automatic monitoring method and system, and relates to the technical field of computer monitoring, and the method comprises the steps: running a GPU detection program at each node; indexes are collected, wherein the indexes comprise XID and / or SXID error events in the system logs and the driving state and the equipment running state obtained based on the NVML; standardizing the indexes into an index data structure; generating a fault judgment result associated with the node identifier and the GPU equipment identifier according to a preset evaluation rule; and when the data is abnormal, the data is mapped as a Node Condition and / or reported to a Kubernetes Event, and a Prometheus acquisition interface is exposed to be pulled and stored. Through the technical scheme of the invention, GPU fault automatic identification and card level positioning are realized, cluster perceptibility and alarm traceability are enhanced, manual troubleshooting cost is reduced, and cluster stability is improved.

The invention relates to the technical field of dies, and discloses a variable-diameter special-shaped nut continuous production die which comprises an upper die, an ejector plate, a female die plate, a material returning plate, a male die plate and a base, the male die plate is installed on the base, the male die plate is movably sleeved with the material returning plate, the ejector plate and the female die plate are sequentially installed on the lower surface of the upper die, and the ejector plate is installed on the lower surface of the upper die. A stamping assembly is installed on the male die plate, a sleeving hole corresponding to the stamping assembly is formed in the upper surface of the material returning plate and used for being movably installed on the male die plate, a pressed groove hole is formed in the position, corresponding to the stamping assembly, of the female die plate, and a material returning ejector pin is installed on the position, corresponding to the pressed groove hole, of the lower surface of the ejector pin plate through an embedded spring. The upper die and the base are fastened through a long screw to form a complete die. Fastening connection of the upper die body, the ejector plate and the female die plate is guaranteed through the short screws, the upper die body and the stripper plate are accurately aligned through the positioning pins, the upper die is connected with the base through the threaded nails, and the die can be rapidly and accurately installed in place.

The application relates to a robot pose determination method and device, a robot and a storage medium. The method comprises the following steps: collecting a top-view image in a driving area by an RGB camera arranged on the top of the robot, taking the top-view image as a current positioning image, obtaining a target top-view image with the maximum similarity to the current positioning image from a visual map information library, and determining a current robot pose when the robot collects the current positioning image according to two-dimensional coordinates of candidate feature points in the current positioning image and three-dimensional coordinates of reference feature points in the target top-view image. The visual map information library comprises a plurality of top-view images collected by the robot at different poses in the driving area. The current robot pose can be determined based on the top-view image by the above method. Most of the features in the top-view image are static and cannot be moved, so that positioning failure or drift is avoided, and the accuracy of robot positioning is greatly improved.

A transport system, a positioning device, a positioning method, a computer program product and a computer-readable recording medium. The positioning device comprises: a plurality of electronic tags arranged to be arranged at equal intervals along a line segment; and a fixed-frequency sampling module arranged to be able to move around the line segment. The fixed-frequency sampling module has two antenna parts and a positioning part. The positioning part is electrically connected to the two antenna parts. The two antenna parts couple the plurality of electronic tags and read the wireless radio frequency identification signals from the plurality of electronic tags at a fixed frequency. The positioning part estimates a coordinate on the line segment according to a plurality of identifiers and a plurality of intensity distribution curves from the wireless radio frequency identification signals. The antenna spacing between the two antenna parts is: d2=(n+0.5)×d1, d1 is a tag spacing between two adjacent electronic tags, n is an integer, and n≧0.

The utility model relates to the technical field of bridge engineering, in particular to an arch foot node of a tied-arch bridge. Comprising an arch rib section, a straining beam section, a support stiffener, an arc transition plate, a node solid section and a cross beam section. A casting part form is adopted, the quality is controllable, and welding with other plates is easy; the arch rib section and the straining beam section are hollow except for the cross points, only external stiffening is reserved, and machining is convenient; solid casting is conducted at the junction of the arch rib tie beam and the cross beam, force transmission is optimized, and local stress safety of components is guaranteed; the support stiffeners are arranged according to the actual position of the cross beam section, and support vertical stress is dispersed; an arc transition plate is additionally arranged between the arch rib section and the straining beam section, a chamfer is additionally arranged at the joint of a top plate of the cross beam section and the straining beam section, and local stress concentration is avoided; grooves are additionally formed in the ends, connected with other components in a welded mode, of the arch rib section, the straining beam section and the cross beam section, and welding plate thickness transition is facilitated. The structure is simple, and the problem of stress concentration can be solved.

The utility model discloses a special asphalt automatic filling device which comprises a conveying device used for conveying a container; the centering mechanism is used for limiting the container at a central conveying position; and the filling mechanism is mounted on one side of the conveying frame in the conveying equipment and is used for realizing automatic filling. Asphalt is quantitatively conveyed into the spray head through the first conveying pipe and the second conveying pipe, and the top of the V-shaped frame synchronously pushes the second roller to drive the second push rod and the transverse frame to ascend and descend, so that the spray head ascends and descends along with the contraction capacity of the gooseneck pipe, and the spray head sinks to a bottle opening of a container to inject special asphalt. And when the second rolling wheel rolls to the high position away from the V-shaped frame, the spray head resets so as to be matched with conveying equipment which moves intermittently, the problem of scalding caused by the high temperature of asphalt in the traditional filling process is solved, meanwhile, the filling efficiency is greatly improved through quantitative conveying and accurate filling, and waste of the asphalt and environmental pollution are reduced.

This utility model relates to the field of bearing manufacturing technology, specifically a positioning and adjustment device for a robot control box. It includes a base plate, a robot control box mounted on the base plate, and a positioning and adjustment mechanism mounted on the base plate and acting on the robot control box. The positioning and adjustment mechanism includes an L-shaped support frame, a first sliding rod, and a positioning frame. The L-shaped support frame is located on one side of the base plate. The first sliding rod is mounted on the robot control box and slides in cooperation with the vertical side of the L-shaped support frame. The positioning frame slides vertically on the horizontal side of the L-shaped support frame. The bottom of the robot control box slides in cooperation with the base plate. Symmetrical positioning holes are provided on both the bottom of the robot control box and the base plate. Pushing the first sliding rod until the positioning hole on the robot control box aligns with the positioning hole on the base plate, the positioning rod re-inserts into the positioning hole under the action of a second spring. At this time, both the first and second springs extend, and the positioning rod positions the robot control box on the base plate.

This invention relates to the field of machining fixture technology, specifically to a rapid clamping device for preventing deformation of thin-walled parts. The device includes a base plate with four support columns on its top side wall. The outer side walls of the four support columns are fixedly connected to the same support plate. The support plate has two sliding strips at its top. One side wall of the support plate has a guiding mechanism for guiding the part. The outer side walls of the support columns are slidably connected to a clamping and positioning mechanism for holding and positioning the part. This rapid clamping device for preventing deformation of thin-walled parts employs an integrated design with the guiding mechanism and the clamping and positioning mechanism working in tandem. The guiding mechanism can precisely and quickly transport the thin-walled part to the designated workstation via transmission. The limiting block and the flipping plate work together to prevent offset and slippage during part transport, ensuring accurate part transport posture.

The utility model relates to mould processing technical field, concretely is a kind of online size detection device for mould processing, it includes: bottom plate, bottom plate upper surface and support table bottom fixed connection, support table upper surface around is equipped with guide hole, four the guide hole is arranged in circumferential array, guide hole inside sliding installation has guide block, support table upper surface center fixed mounting has cushion block, support table top is provided with detection assembly, guide block upper surface and L type board bottom fixed connection, L type board top side fixedly connected with antiskid soft pad, guide block lower surface and connecting block fixed connection, connecting block one side is connected with the drive assembly for driving connecting block along the radial direction of support table movement;Through the cooperation of four around synchronous radial clamping mechanism and detection assembly, effectively realized the all-direction reliable fixing of mould in detection process, avoided the positioning instability or detection knock due to one-sided clamping, improved the consistency and accuracy of fillet and contour size detection.

The present application relates to a method, device, computer equipment, readable storage medium and computer program product for positioning the center of a mark. The method comprises: sequentially connecting the first contour points in the mark image to form a first contour; rotating the first contour around the initial mark center by a preset angle to obtain a second contour; repeating the following operations on the second contour: determining the target straight line where the first contour point whose distance from the second contour point meets the preset distance condition is located, using the direction vector from the target point in the second contour to the corresponding target straight line to generate a translation vector, and translating the second contour according to the translation vector to obtain a new second contour until the new second contour meets the preset stop condition; locating the target mark center of the mark image according to the initial mark center and the translation vector. The method can locate the target mark center by using a simple graphic transformation method based on the inherent central symmetry of the mark, and is widely applicable and robust.

This invention provides a superimposed 5-9 axis coordinate measuring machine, relating to the field of dimensional inspection equipment. The superimposed 5-9 axis coordinate measuring machine includes an X-axis measuring stage base, a Z-axis assembly, and a self-compensating Y-axis assembly. The self-compensating Y-axis assembly is mounted on the X-axis measuring stage base, and the Z-axis assembly is mounted on the self-compensating Y-axis assembly. The self-compensating Y-axis assembly is used to enable the Z-axis assembly to smoothly adjust its position along the Y-axis. A counterweight balancing component is installed at the lower end of the Z-axis assembly. This superimposed 5-9 axis coordinate measuring machine can handle large molds, housings, and wind power / aerospace structural components. The existing side head of the equipment performs point dimensional / geometric tolerance checks; another independent probe performs surface scanning. These functions are independent of each other, making it suitable for reverse engineering and full inspection of complex surfaces. Multiple independent probes are responsible for different areas, eliminating the need for frequent movement of the main spindle or turntable, reducing the number of axis linkages, and indirectly reducing the accumulation of errors in the superimposed axes.

The present invention discloses a breast puncture device under ultrasound guidance, including an equipment box and a moving wheel installed at the bottom of the equipment box, a display screen is arranged on the top of the equipment box, a puncture positioning assembly is arranged on the side of the equipment box, and the puncture positioning assembly includes a suspended mounting plate, and a rotating U-shaped mounting frame is fixedly installed on the top of the suspended mounting plate. In the breast puncture device under ultrasound guidance, the negative pressure inside the hollow vertical cylinder and the suction cup makes the areola of the breast completely fit with the inner wall of the suction cup, so as to realize the adsorption and positioning of the breast from the areola, and the covering range of the breast is small, which is more conducive to the doctor to perform the puncture operation. Then, the rotating knob can drive the vertical threaded rod to rotate, and under the vertical transmission action of the vertical threaded rod and the welding plate, the spacing between the movable mounting block and the welding plate is adjusted, that is, the breast is stretched up and down as a whole to avoid the sagging of the breast affecting the positioning, and the threaded control can be stopped at any time, with strong controllability and more flexibility.

The application relates to the technical field of tooling, and provides a tool for bolt disassembly. The tool is suitable for disassembling mounting bolts on a vehicle component, wherein the mounting bolts are located in mounting through holes on the vehicle component, and the tool comprises a socket, a screwing wrench and a positioning piece. The socket can be inserted into one end of the screwing wrench, and the socket can be driven to rotate in a preset direction by the screwing wrench; the positioning piece can be sleeved on the socket, and the sleeved positioning piece is matched with the mounting through hole, so that the socket is positioned to be combined with the mounting bolt, and the mounting bolt is screwed by the socket. The tool can facilitate the disassembly of the mounting bolts of the vehicle component located in a narrow space, and can improve the work efficiency of the disassembly of the vehicle component.

The invention relates to the technical field of retainer machining, in particular to a retainer machining method and a fixing mould, and the machining method comprises the steps that rivet hole angle point positions and pocket hole angle point positions are machined on a first circular plate; an angle adjusting hole is machined in the second circular plate; mounting the first retainer seat on the fixed base, covering the first retainer seat with the first retainer cover, and pressing a pressing plate on the first retainer cover; the pressing plate is pressed on the first retainer cover, the angle adjusting hole corresponds to the angle point of the rivet hole, the base and the pressing plate are locked and fixed, and the rivet hole is machined; the pressing plate and the retainer cover are detached, the pressing plate is installed on the first retainer base in a pressing mode, the angle adjusting holes correspond to the pocket hole angle point positions, the base and the pressing plate are locked and fixed, and an avoiding notch is machined in the outer circumference of the pressing plate while the pocket hole is machined; a retainer seat and a retainer cover are processed by using a fixed mould, and the fixed mould comprises a pressing plate and a fixed base. The machining time of the fixing mould is shortened, and the machining difficulty is reduced.