228results about How to "Reduce rotation" patented technology

The invention relates to the technical field of building construction, in particular to a self-balancing integral hoisting system and method for a concrete formwork, and the hoisting system comprises a sensor module which comprises an acceleration sensor and a tilt angle sensor; the automatic control module is used for processing data, controlling algorithm operation and controlling instruction output, and the automatic control module is connected to the acceleration sensor and the tilt angle sensor; the mechanical fastener device comprises a lifting frame, a driving mechanism and at least two clamping assemblies, and each clamping assembly comprises a linkage mechanism, a sliding mechanism and a rotating mechanism. According to the invention, the problems of dangerous operation of manual hoisting and large installation error are avoided, so that the technical problem that the installation precision is difficult to control in the template hoisting process in the prior art is solved.

The utility model discloses a fluid connector, and relates to the technical field of fluid communication, the fluid connector comprises at least two valve seats with communication channels and valve cores which are rotatably arranged on the opposite sides of the two valve seats and used for opening and closing the communication channels, and the valve cores are provided with communication parts; the two valve elements are provided with a restraining mechanism to limit synchronous rotation of the two valve elements, the adjacent combination faces of the two valve elements are in contact sealing, and a position state enables the communicating part to communicate with the communicating channels in the two valve seats. According to the fluid connector, only two relative rotation positions exist, namely the two valve elements rotate relative to the two valve seats correspondingly, the sealing performance of the fluid connector can be guaranteed only by forming dynamic sealing at the two positions, and therefore relative rotation between the valve elements and the valve seats can be reduced, use of sealing assemblies can be reduced, and the cost is reduced. Therefore, the overall sealing performance of the fluid connector can be improved, the sealing reliability of the fluid connector is higher, and the machining cost and the machining difficulty can be reduced.

The invention belongs to the technical field of medical instruments, and discloses a thighbone component and a surface hip replacement prosthesis, the thighbone component is a hollow large hemisphere, a supporting handle is arranged at the vertex of the inner wall of the thighbone component, the thighbone component is made of polyether-ether-ketone or polyether-ketone-ketone materials, better guiding and positioning effects can be provided, and the surface hip replacement prosthesis can be used for hip replacement. The fixity and the stability of the prosthesis are enhanced; an arc-shaped transition part is arranged at the joint of the supporting handle and the inner wall of the femoral component; a plurality of concave grooves are formed in the inner wall of the thighbone component, and bone cement is embedded into the concave grooves; the plurality of concave grooves are distributed at intervals along the axis of the supporting handle; the arc-shaped transition part effectively relieves stress concentration and prevents the prosthesis from being broken, the fixing effect is further enhanced through embedding of bone cement in the inwards-sunken groove, the risks of rotation and looseness of the prosthesis are reduced, and due to the design, the mechanical performance and biocompatibility of the prosthesis are improved, and the durability and reliability of the prosthesis in long-term use are guaranteed.

The invention discloses a control device and an electric valve comprising the control device, the control device comprises a shell, a stator assembly and a rotor assembly, and the stator assembly is located on the periphery of the rotor assembly; the stator assembly comprises a first installation part, the shell comprises a protruding part, the first installation part comprises a limiting groove, the limiting groove basically extends in the radial direction of the stator assembly, and the protruding part is fixedly connected or connected with the first installation part in a limiting mode. At least part of the protruding part is located in the limiting groove and abuts against the wall forming the limiting groove or is in clearance fit with the wall forming the limiting groove, circumferential limiting can be conducted on the stator assembly, and rotation of the stator assembly relative to the shell can be reduced.

The invention relates to the technical field of concrete strength detection, and particularly discloses a concrete strength detection device and method based on hydraulic engineering supervision. The concrete strength detection device comprises a pressure bearing mechanism which is arranged at the bottom of the inner side of a machine body and is used for being matched with a downward pressing mechanism to detect the compressive strength of a concrete test piece; the driving mechanism drives the limiting mechanisms arranged in an annular array to clamp the concrete test piece from the side wall of the concrete test piece, so that the center of the concrete test piece is vertically aligned with the center of the bearing plate, and the downward pressure of the downward pressing mechanism on the concrete test piece is stably distributed on the concrete test piece; the detection precision is improved, repeated adjustment by workers is not needed, the detection efficiency is improved, the position of each limiting plate is conveniently mastered through the monitoring assembly and the identification assembly, the position of the deviated limiting plate is adjusted through the adjusting assembly, and the concrete compressive strength can be conveniently detected for a long time.

The invention relates to an LED ceiling lamp capable of intelligently adjusting brightness and a control method, and relates to the technical field of lighting equipment.The LED ceiling lamp comprises a connecting plate, a mounting plate is connected to the lower portion of the connecting plate, the mounting plate is horizontally arranged, a mounting groove is formed in the side, away from the connecting plate, of the mounting plate, and an LED lamp panel is mounted in the mounting groove; a control groove is formed in the side, away from the connecting plate, of the mounting plate, a two-way screw is arranged in the control groove, two baffles used for shielding a light source are arranged on the two sides of the LED lamp panel, the two baffles are oppositely arranged on the two sides of the LED lamp panel, the two baffles are in threaded connection with the two ends of the two-way screw respectively, and a driving motor is arranged in the mounting plate. And an output shaft of the driving motor is coaxially and fixedly connected with the two-way screw rod. According to the invention, the light stroboflash phenomenon is solved in a mode of dimming through physical shielding, the eye health is facilitated, and the user experience is improved.

The present invention belongs to the technical field of color printing machines, and specifically is a packaging box color printing machine, comprising a machine body, a feeding area, a discharging area, a workbench, a cleaning unit and a flattening unit, wherein the cleaning unit comprises a cleaning roller, a cavity is opened inside the cleaning roller, a first partition net is arranged inside the cavity, a plurality of wrinkled areas are arranged on the first partition net, a plurality of barbs are fixedly connected to the outer surface of the first partition net, a feeding channel is arranged outside the cavity, and a blocking plate is rotatably connected between the feeding channel and the cavity; the present invention scrapes the debris above the cardboard to the inner side of the feeding channel through the outer circular cutting edge of the cleaning roller, and then the debris falls onto the first partition net in the cavity under the action of gravity, and then the barbs on the first partition net can intercept the debris to prevent the debris from rolling in the cavity during the rotation of the cleaning roller, thereby improving the cleaning effect of the upper surface of the cardboard and reducing the probability of cardboard jam.

The invention provides an anti-rotation assembly for an orthopedic surgery reference frame, and relates to the technical field of medical instruments, the anti-rotation assembly comprises a main body with a movable cavity inside, and a locking piece moving in the movable cavity; the locking piece is provided with at least two contact surfaces, and the locking piece has an initial state and a locking state relative to the main body; the main body is provided with at least two limiting holes penetrating through the movable cavity, and each limiting hole is provided with at least two non-parallel inner walls; the traction structure is connected with the locking piece and drives the locking piece to linearly move, so that the locking piece reaches a locking state from an initial state, and in the moving process, a clamping space formed by the contact surface and the inner wall of the limiting hole is reduced; the traction structure enables the locking piece to be fixed at any position of the movable cavity, and the problems that various knocking and drilling actions are involved in a long bone operation, the fierce vibration enables the reference frame inserted into a bone to rotate relative to the bone, and then the whole navigation system generates a large error are solved; and the prior art is not suitable for relatively thin bones.

The invention relates to the technical field of rotary kiln sealing, in particular to a sealing device for a waste tire regeneration rotary kiln, which comprises a kiln body, a screw conveyor for feeding materials into the kiln body and a material receiving device for receiving the materials in the kiln body, a feeding cover on the screw conveyor extends into the kiln body, and a sleeve is welded on the feeding cover; a discharging cover stretching into the material collecting device is welded to the end, close to the material collecting device, of the kiln body, and the sleeve and the discharging cover are each sleeved with a sealing mechanism. According to the sealing device, the sealing flexible connecting piece and the supporting assembly are arranged, so that the whole fixing ring frame can be driven to rotate through the sealing flexible connecting piece and the supporting assembly when the kiln body rotates, and in addition, the packing is fixed to the feeding cover through the steel wire rope, so that the rotation of the packing is small; according to the utility model, the axial and radial displacement of the kiln body in the rotation process is avoided, a certain force is applied to the packing, and the packing is stressed and deformed, so that the influence of the displacement on the sealing is reduced.

The invention discloses marine equipment hoisting and lifting equipment, and relates to the technical field of hoisting and lifting equipment. The marine equipment hoisting and lifting equipment comprises a supporting bottom plate, a first sliding groove is formed in the upper surface of the supporting bottom plate, a hoisting supporting frame is arranged on the upper surface of the supporting bottom plate, a lifting frame is arranged on the hoisting supporting frame, a steel wire rope is arranged on the lifting frame, a fixing hook and a moving assembly are arranged on the steel wire rope, and the moving assembly is arranged on the supporting bottom plate. The movable assembly is used for transverse movement and rotation of the hoisting supporting frame, the two fixing clamping plates are arranged, the two fixing clamping plates are matched with the two multi-section electric telescopic rods, marine equipment can be simply limited and fixed, when the marine equipment is hoisted and transferred, shaking of the marine equipment can be reduced, and the hoisting efficiency of the marine equipment is improved. And the pressure borne by the steel wire rope due to shaking of the marine equipment is reduced, and the stability and safety of the hoisting and lifting equipment for the marine equipment during hoisting and transferring are improved.

The present invention provides a portable lymphedema auxiliary therapeutic device, which relates to the technical field of nursing equipment, and comprises: a control unit, a positioning unit, an auxiliary therapeutic unit A and an auxiliary therapeutic unit B; the positioning unit is installed on the control unit, and the positioning unit is used to position the control unit; the auxiliary therapeutic unit A is installed at the left end of the control unit, and the auxiliary therapeutic unit A is used for rolling massage therapy, and the auxiliary therapeutic unit A is also used for tapping massage therapy; the auxiliary therapeutic unit B is installed at the left end of the control unit, and the auxiliary therapeutic unit B is located inside the auxiliary therapeutic unit A, and the auxiliary therapeutic unit B is used for vibration massage therapy; the present invention rotates the control handle B forward or reversely by 135 degrees, thereby reducing the overall length of the present invention and making it more convenient to carry; and solves the problem that the overall length cannot be reduced when carrying due to the generally integrated structure, resulting in a longer space being occupied when carrying.

The utility model discloses an electric power wire storage device, and belongs to the technical field of wire storage. Comprising a mounting base, supporting seats are arranged on the two sides of the top end of the mounting base, a grip is arranged at the top end of one set of supporting seats, a rotating seat is arranged above the mounting base, a collecting roller is arranged at the end of the rotating seat, and the rotating seat and the collecting roller are rotationally connected with the two sets of supporting seats; a limiting clamping groove is formed in the top end of the grip, and an extrusion fixing block is arranged in the limiting clamping groove. Thread ends can be placed in the limiting clamping groove, then the rotating shaft rod is rotated to drive the first moving block to move, the first moving block drives the connecting rod to move, the connecting rod drives the extruding and fixing block to extrude and fix the thread ends, and therefore the situation that the thread ends are disengaged and loosened on a bumpy road section is avoided; and the storage effect of the electric wire is better.

The utility model relates to the technical field of railway electric power, and discloses an anti-drop connecting device and an anti-drop centipede ladder, and the anti-drop connecting device comprises a connecting piece and two hooks arranged at an interval. The connecting piece is used for connecting a first to-be-connected piece; the two hooks arranged at intervals are connected with the connecting piece to form two connecting parts, and openings of the two hooks are located on the two sides of a connecting line of the two connecting parts respectively. The anti-drop connecting device can improve the stability of hanging connection and can effectively prevent drop.

The invention discloses a building roof heat preservation and insulation system and a construction method thereof, and belongs to the technical field of roof heat preservation and insulation, the building roof heat preservation and insulation system comprises a plurality of extruded polystyrene boards laid on a roof, an aluminum foil reflecting film is laid on the surface of each extruded polystyrene board, and the surface of each aluminum foil reflecting film is coated with polymer cement mortar. The roof is provided with a fixing assembly used for fixing the extruded polystyrene board to the roof. The method has the effect of improving the heat preservation and insulation effect of the roof.

The utility model discloses a bridge block hoisting device which comprises a lifting hook seat and a lifting hook body, the lifting hook seat is a component with a top surface at the top and an open rectangular groove at the bottom, a swing plate for fixing the lifting hook body is arranged in the rectangular groove, and geometric centers of two side surfaces of the swing plate are hinged with the inner wall of the rectangular groove through rotating shafts. Movable openings are formed in the two ends of the top face of the lifting hook base, the top ends of the movable frames penetrate through the movable openings and are located above the top face of the lifting hook base, hydraulic cylinders with downward output shafts are arranged at the two ends of the top face of the lifting hook base respectively, and each hydraulic cylinder is located on the outer side of the corresponding movable opening; an output shaft of the hydraulic cylinder penetrates through the top face of the lifting hook base and abuts against the top face of the bottom end of the movable frame. The utility model solves the problems that the balance is difficult to control and the swing and rotation are easily caused by center offset when the bridge block is hoisted by the current crane through a lifting hook, and can be widely applied to the field of bridge demolition construction.

The utility model relates to the technical field of cylindrical roller bearing processing, in particular to processing equipment for processing a cylindrical roller bearing, which comprises a device body, a support frame is mounted on the device body, an outer frame is movably connected in the support frame, an inner disc is movably connected in the outer frame, a rubber clamping ring is arranged on one side of the inner disc, and the rubber clamping ring is arranged on the other side of the inner disc. A bottom disc is arranged on the bottom side of the inner disc, and a limiting rod is installed on the bottom disc. A telescopic air cylinder is arranged on one side of the limiting rod, and a grinding roller is installed on the outer side of the telescopic air cylinder. According to the bearing polishing device, the possibility that an inner ring and an outer ring can rotate in the bearing machining process is reduced, the possibility that a large number of chippings remain on the polished bearing is reduced, the stable polishing effect of the device is improved, operation is convenient, efficiency is high, the cleaning effect of the device on the bearing is improved, and the service life of the device is prolonged. And waste residues can be conveniently discharged after cleaning.

The invention relates to a waterproof stage lamp which comprises a base. The two sides of the base are rotationally connected with the lamp holder through arm parts. A driving motor is arranged in the base; the driving motor is rotationally connected with the lamp holder through a synchronous belt; a sealing end cover is arranged on a front end cover of the driving motor; the sealing end cover is in sealing connection with the inner wall of the base; a transmission shaft of the driving motor penetrates out of the sealing end cover and the base and then enters the arm part; a motor oil seal is arranged between the sealing end cover and the transmission shaft; and the lamp cap is rotationally and hermetically connected with the arm part through the connecting seat. According to the invention, the oil seal is utilized to seal the wiring space entering the arm part, and the sealing ring is utilized to seal the channel entering the waterproof cavity; the motor oil seal is used for sealing a channel entering the driving motor, the motor sealing ring is used for sealing a channel entering the inner space of the base, the base is sealed through the bottom cover, and the waterproof cavity is subjected to waterproof treatment, so that the whole stage lamp is waterproof.

The utility model provides semi-automatic pole welding equipment for a battery cell, which relates to the technical field of welding equipment and comprises a machine body, a laser welding head is arranged on one side of the machine body, a placing plate is arranged on one side of the machine body, a limiting device is arranged on one side of the placing plate, and a stabilizing device is arranged on one side of the machine body. The storage plate is provided with a limiting device, the limiting device comprises a rectangular frame, the rectangular frame is fixedly connected with the storage plate, a first circular hole is formed in one side of the rectangular frame, and a second circular hole is formed in one side of the rectangular frame. The situation that when a worker pushes the battery to the position below the laser welding head, the battery cell position of the battery is not completely located in the working area of the laser welding head, deviation is generated when the laser welding head welds a pole, and the welding quality is affected is reduced, and the positioning efficiency and the welding stability of the battery cell position are improved.

The utility model discloses a combined device of a resistance grid frame and a rear frame supporting structure and a loading machine. The combined device comprises the resistance grid frame, the rear frame supporting structure, a connecting part and a resistance grid, the whole resistance grid frame is of a frame structure and is used for mounting a plurality of resistance grids; the rear frame supporting structure comprises a left supporting frame and a right supporting frame which are installed on a rear frame, the resistance grid frame is assembled between the left supporting frame and the right supporting frame, and the resistance grid frame can rotate with the other supporting frame as a hinge point by disassembling a connecting part between any supporting frame and the resistance grid frame. The device is used for overhauling and cleaning the resistance grid. The resistance grid frame and the rear frame supporting structure are compact, installation of multiple groups of resistance grids is achieved, the structural strength is good, and the resistance grids are convenient to disassemble and assemble; rotation of the resistance grid frame relative to the rear frame is achieved through the connecting component, and maintenance and cleaning of the resistance grid are facilitated.

The gasket, the lamp panel fastening structure and the automobile lamp relate to the technical field of automobile lamps, the gasket comprises a gasket body and a first limiting rib, the gasket body is provided with a through hole for a fastener to penetrate through, and the inner wall of the through hole is provided with an anti-falling part used for being connected with the fastener in an abutting mode. The connection reliability between the fastener and the gasket can be greatly enhanced through the arrangement of the anti-falling part, the fastener and the gasket are prevented from loosening relatively, the first limiting rib is arranged on the peripheral wall of the gasket body and used for being connected with a to-be-fastened component in a clamping or abutting mode, the to-be-fastened component is limited, meanwhile, automatic rotation of the gasket is limited, and the service life of the gasket is prolonged. The combined arrangement of the anti-falling part and the first limiting rib can effectively prevent the fastener from automatically rotating relative to the to-be-fastened component to cause loosening and gasket falling, and the gasket further has the advantages of being low in cost and high in universality.

The utility model discloses a double -end bolt for petroleum workover rig slide horizontal adjusting device relates to mechanical adjusting device technical field, including double -end bolt body, slide connecting pipe and derrick connecting pipe, the slide connecting pipe fixed connection in the trolley slide, and double -end bolt body connects between the slide connecting pipe and derrick connecting pipe, the middle of double -end bolt body is provided with the adjusting end, and double -end bolt body left side screw thread connection is in the slide connecting pipe inside, and double -end bolt body right side screw thread connection is in the derrick connecting pipe inside, double -end bolt body left side is provided with the joint end, and the joint end inside is provided with the joint ball, and the joint ball is connected in the slide connecting pipe inside and constitutes fixed structure. This double -end bolt for petroleum workover rig slide horizontal adjusting device solves the problem that traditional double -end bolt is easy to loosen, the triple anti -loose structure makes the loosening rate reduce under the vibration condition, and the horizontal adjustment precision improves, is applicable to the stable adjustment of petroleum workover rig slide.

The utility model belongs to the technical field of steel structure frames, and particularly relates to a steel structure frame surface polishing device which comprises a polishing operation table. A polishing machine is arranged at the top of the polishing operation table; a fixing base is arranged in the middle of the polishing operation table. The fixing base slides on the top of the polishing operation table. The side wall of the fixed seat is fixedly connected with an electric push rod; the other end of the electric push rod is fixedly connected to the side wall of the polishing operation table. A fixing rod is arranged in the fixing base in a sliding fit mode. A plurality of groups of fixing rods are arranged in the fixing seat and are symmetrically arranged; according to the step, through arrangement of a polishing operation table, a fixing base, an electric push rod, a fixing rod, a clamping plate, a first fixing plate and a fixing hole, the steel component is fixed to the top of the fixing base, the possibility that a steel structure frame rotates or deviates during polishing is reduced, and through arrangement of the fixing rod, the fixing hole and a bolt, the adjustability of the device is improved; and the situation that the polishing quality is reduced due to deviation of the steel structure frame is reduced.

The application relates to the technical field of feeding and discharging devices, in particular to a device for automatically feeding and discharging workpieces, which comprises a box body, further comprises a limiting mechanism, the limiting mechanism is provided with at least two groups and is respectively used for limiting and positioning processed workpieces and unprocessed workpieces, and the limiting mechanism is slidingly connected to the upper end of the box body; the limiting mechanism comprises a bearing table, a chuck and a clamping rod, the bearing table is slidingly connected with the box body, the chuck is rotationally connected with the bearing table, the bearing table is provided with a first guide hole, the chuck is provided with a second guide hole, the first guide hole and the second guide hole are distributed in a cross mode, the clamping rod is arranged at the intersection between the first guide hole and the second guide hole, the clamping rod is distributed in a plurality of intervals around the bearing table, the first guide hole and the second guide hole are each provided with a plurality of clamping rods in correspondence, and the chuck is connected with a driving assembly. The application has the effects of reducing the labor intensity of workers and increasing the feeding and discharging efficiency of workpieces.

The utility model relates to the technical field of welding heads, and provides an elastic floating type welding head which comprises a welding head body and a welding seat coaxial with the welding head body, the welding seat comprises a welding seat cylinder and a supporting piece arranged on the upper surface of the welding seat cylinder, an elastic piece is arranged in the welding seat cylinder, and the supporting piece abuts against the elastic piece. The supporting piece can ascend and descend in the height direction of the welding base cylinder. The elastic part is arranged for buffering when the supporting part is subjected to impact force, the welding seat can elastically float according to the actual stress condition of the metal part in the welding process, the sinking problem of the welding position of the metal part caused by rigid abutting is effectively solved, and therefore the beneficial effect that the surface structure integrity of the welding position is ensured is achieved.

The invention provides a cotton yarn moisture regain testing device and method, belonging to the technical field of cotton yarn. The cotton yarn moisture regain testing device comprises: a heating bin; heat dissipation holes, which are arranged on inner walls on both sides of the heating bin, and achieve ventilation effect through the heat dissipation holes, so as to facilitate heat dissipation; a mesh barrel, which is located in the heating bin and is used for loading the cotton yarn. The cooperation of a lifting support mechanism and a clamping and taking-out mechanism simplifies the loading and taking-out process of the cotton yarn, reduces the operation time and labor cost, and improves the test efficiency. The clamping and taking-out mechanism avoids direct contact of the operator with the high-temperature components through the combination of a pressing plate and a second cylinder, and reduces the risk of scalding. When the cotton yarn is tested for moisture, human participation is avoided, and the labor consumption of human beings is reduced. The device has a high degree of automation and is suitable for rapid and accurate measurement of the moisture regain of the cotton yarn in laboratories and production lines, which not only improves the test efficiency, but also ensures the safety of the operation and the accuracy of the results.

The invention belongs to the technical field of ocean engineering, and provides a fan foundation integrating a semi-submersible structure and a stand column type structure, a using method and a fan system, the fan foundation has the advantages of a stand column type foundation and a semi-submersible type foundation, side stand columns and transverse supports are arranged to be of hollow structures, and ballast filler is arranged at the bottom ends of the side stand columns and in the transverse supports; a passive ballast mode is adopted, so that the bottom end face of the main stand column and the bottom end faces of the side stand columns are located in the same plane, the purpose of stability can be achieved, and the problem that cost is increased due to the fact that the main stand column excessively extends underwater or counterweight equipment is arranged is solved; in addition, the rigidity requirement is guaranteed through the cross-shaped steel plate arranged in the axial direction; the multiple damping plates can reduce scouring of seawater to the side stand columns and improve the inclination resistance in the vertical direction, and the side stand columns are obliquely arranged and matched with the multiple damping plates, so that the stabilization effect in the multiple-freedom-degree direction of heaving, rolling, pitching, yawing and the like can be improved.

The utility model relates to the technical field of machining, in particular to a protection mechanism for a numerical control machine tool. The trigger assembly comprises a shell, the side surface of the shell is arranged on a partition plate in the machine tool in a sleeving mode, a limiting piece is movably connected into the shell in a sleeving mode, a pressing button is fixedly connected to one side of the limiting piece, one side of the pressing button extends out of the shell, and a first electric piece is fixedly connected to the other side of the limiting piece; a second electric sheet is fixedly connected to the inner wall of one side of the shell, and a first spring is arranged in the shell in a sleeved mode. According to the protection mechanism for the numerical control machine tool, through a pressing button, a second electric piece and a first electric piece, after a protection door moves to a machining area, a coil and a driving motor are powered on, and when the protection door does not move to a designated area, the protection door cannot be powered on, machining operation can be conducted only after the protection door covers the machining area, and therefore safety is improved; the safety risk is reduced.

The present application relates to the technical field of machine vision, and provides a multi-view camera relative pose estimation method based on IMU rotation axis direction prior, comprising: depth parameterization is carried out to the translation vector formed by a multi-view camera system from a first time to a second time, and the generalized epipolar constraint of the multi-view camera system is reconstructed based on the depth parameter; the relative pose estimation problem of the multi-view camera in the multi-view camera system is converted into a single variable cubic polynomial root seeking by using the rotation axis direction prior information provided by an inertial measurement unit and combining the reconstructed generalized epipolar constraint; after single variable root seeking, the rotation matrix and the translation vector of the multi-view camera system from the first time to the second time are solved based on the root seeking result, and the relative pose estimation result is obtained. While maintaining competitive estimation accuracy, the calculation efficiency can be significantly improved, and the present application provides an efficient and practical scheme for the implementation of multi-view vision positioning in an automatic driving system.