39results about How to "Improve connection accuracy" patented technology

The utility model relates to permanent magnet motor technical field, concretely relates to a kind of permanent magnet motor suitable for oilfield pumping equipment, including speed reducer, the input end of speed reducer is fixedly connected with input shaft, the outside of one end of input shaft is fixedly connected with shaft sleeve, the outer wall of shaft sleeve is fixedly connected with rotor iron core, the outer wall of rotor iron core is fixedly connected with multiple equidistance evenly distributed permanent magnet, the outer wall of speed reducer near input shaft is fixedly connected with mounting flange, the side wall of mounting flange is provided with front end cover, and the side wall of front end cover is provided with machine shell.Compared with prior art, after the structure design of increasing air gap is used, even if slight axial displacement or radial swing occurs in the running process of rotor iron core, the interference between permanent magnet and stator iron core can be effectively avoided, and the reliability and adaptability of motor under high impact, high vibration working condition are improved.

This utility model relates to the field of cable tray technology and discloses a quick-assembly cable tray with a snap-fit ​​structure. The cable tray includes a cable tray with an installation mechanism at its right end. The installation mechanism includes a connecting frame fixedly connected to the right end of the cable tray, and a plug-in frame fixedly installed at the left end of the cable tray. A concave plate is fixedly connected to the inner side wall of the plug-in frame, and a rotating column is rotatably connected to the inner wall of the concave plate. A circular groove is formed at the top of the rotating column, and a carrying component is provided on the inner wall of the groove. A support plate is fixedly connected to the center of the rotating column, and an adjustment mechanism is provided at the right end of the plug-in frame. In this utility model, after releasing the bolt limit, rotating the rotating column drives the plug-in plate to move quickly and accurately embed into the square groove, eliminating the need for repeated alignment adjustments. This effectively avoids uneven force and misalignment caused by manual operation, improving installation efficiency and connection accuracy.

The utility model belongs to aluminum block seamless connection technical field especially, it is a kind of seamless connection mechanism of aluminum briquetting, including aluminum sheet, the aluminum sheet is connected by multiple aluminum blocks in horizontal direction, the periphery of aluminum block is provided with connecting assembly, and aluminum sheet is carried out horizontal seamless clamping by connecting assembly;The both sides of aluminum sheet are provided with clamping assembly.The connecting assembly is set in the application, the horizontal insertion connection of adjacent two aluminum blocks is carried out, then multiple horizontal insertion aluminum blocks are inserted into the matching convex plate and matching recessed plate of both sides vertically, and insertion rod is inserted into the inner wall of sliding slot, the overall aluminum sheet is further fixed, the aluminum block in aluminum sheet is assembled and replaced conveniently, and maintenance cost is reduced, the clamping assembly is set, the spring is elastically installed between limiting ring and the limiting block adjacent thereto, the limiting block is extruded inward, thereby the connection accuracy of aluminum block vertical direction is improved.

The utility model relates to the technical field of flow meters, and discloses an anti-interference signal shielding shell of a vortex shedding flow meter, which comprises two shell bodies which are oppositely arranged to form a square box shape, two end walls of the shell bodies are provided with pipe grooves which can be butted to form pipe holes, connecting edges are fixedly arranged at the edges of the opposite surfaces, and the connecting edges are fixed through a plurality of screws. The shell is composed of a stainless steel shell on the outer side and a copper shell on the inner side. And the supporting legs are detachably arranged below the shell. The vortex shedding flowmeter has the advantages that the vortex shedding flowmeter has a good signal shielding protection effect, and output data errors are prevented.

The utility model discloses a kind of flexible flat cable automatic plug-in mechanism, including workbench, rack and counterplug mechanism, two placement cavities are arranged at intervals on rack, one of two placement cavities is used to place test mainboard, another is used to place panel to be tested, test mainboard has first socket, panel to be tested has second socket;Counterplug mechanism includes rack, first driving part and clamping assembly, first driving part is set on rack, the drive end of first driving part is provided with clamping assembly, clamping assembly includes second driving part and two clamping pieces set on second driving part, clamping piece is used to clamp flexible flat cable, first driving part can drive clamping assembly to move along first direction, second driving part can drive two clamping pieces to be away from each other and the both ends of flexible flat cable are respectively inserted in first socket and second socket, realize the automatic connection of test mainboard, flexible flat cable and panel to be tested, and connection precision and connection efficiency are high.

The utility model discloses a grouting connection prestressed concrete precast pile with end plates, which comprises prestressed reinforcements, a concrete pile body, the end plates, sleeve assemblies and inserting rods, the prestressed reinforcements are arranged in the concrete pile body, and the end plates are arranged at two ends of the concrete pile body; the inserting rod comprises an inserting section and a fixing section, the fixing section is inserted into the open end of the second sleeve and fixedly connected with the second sleeve, and the inserting section is inserted into the open end of the first sleeve filled with the connecting grout of the adjacent grouting connecting prestressed concrete precast pile. The grouting connection prestressed concrete precast pile head with the end plate is high in strength, the manufacturing cost is lower than that of a mechanical connecting piece, and connection and positioning between piles are more accurate.

The application discloses a multi-circle combined pipe and a connecting and locking device thereof, relates to the technical field of pipe structure, and the connecting and locking device comprises a connecting shell and a connecting assembly. The connecting shell extends along the extension direction of a pipe jacking machine, and a limiting groove is formed between the connecting shell and the outer wall of the pipe jacking machine. The connecting assembly comprises a connecting rod, a plug-in rod, a connecting pivot, a locking piece and a telescopic driving structure. One end of the plug-in rod is in plug-in cooperation with the limiting groove, the other end of the plug-in rod extends out of the limiting groove and is hinged to the connecting rod through the connecting pivot. The end of the connecting rod away from the plug-in rod is hinged to the side wall of a pilot pipe through a hinge shaft. The telescopic driving structure is connected to the middle part of the connecting rod. The telescopic driving structure can drive the connecting rod to rotate around the hinge shaft. The locking piece can lock or unlock the connecting pivot, so that the plug-in rod can be fixed or rotated relative to the connecting rod. The multi-angle connection between the pilot pipe and the pipe jacking machine can be adapted, the adjustment efficiency of the connection posture of the pilot pipe and the pipe jacking machine is improved, and the connection precision and the connection reliability are improved.

This application relates to a duct mechanism and an air supply device. The duct mechanism includes: a duct assembly comprising a duct shell and a bushing, the outer wall of which has a first positioning portion radially; and a support base having a shaft hole channel, the two opposite ends of which along their axial direction are an inner end near the duct shell and an outer end away from the duct shell, respectively, and a stop portion surrounding the outer end is formed on the support base; wherein the bushing passes through the shaft hole channel from the outer end and is detachably connected to the duct shell, and the bushing is also rotatably connected to the shaft hole channel, and the stop portion is used to stop and limit the first positioning portion along the axial direction of the bushing. The duct mechanism of this application simplifies the positioning and alignment process of the duct assembly and support base during assembly, quickly and accurately completing the rotatable connection assembly of the entire duct assembly and support base, improving the connection efficiency and accuracy of the duct assembly and support base, reducing the production difficulty of the duct mechanism, and improving the production quality and efficiency of the air supply device.

The utility model relates to the technical field of machine manufacturing, and discloses a ladder manufacturing positioning tool which comprises a supporting frame body and a plurality of connecting pieces, at least one pair of first positioning plates distributed at intervals in the first direction is arranged at the top of the supporting frame body, a first positioning hole is formed in each first positioning plate, and a second positioning hole is formed in each first positioning plate. A plurality of pairs of second positioning plates distributed at intervals in the first direction are arranged on one side of the supporting frame body in the height direction at intervals, each second positioning plate is provided with a second positioning hole, and the first direction is perpendicular to the height direction of the supporting frame body. Every two connecting plates located on different main frames can correspond to at least one pair of first positioning plates or at least one pair of second positioning plates, and the first positioning holes and the second positioning holes are used for assisting in positioning the positions of through holes to be formed in the corresponding connecting plates. Each connecting piece is detachably connected with a through hole formed in the connecting plate and the first positioning hole or the second positioning hole corresponding to the through hole. And the ladder stand manufacturing yield is high, and the universality is good.

The application discloses a gearbox and an electric drive vehicle. The gearbox comprises a first housing, a second housing connected to one side of the first housing, an intermediate plate arranged between the first housing and the second housing, and forming a first containing part with the first housing and a second containing part with the second housing, wherein the intermediate plate can be used for fixing bearings of a gear set, a motor arranged in the first containing part, a motor rotating shaft, one end of the motor rotating shaft being fixed to the first housing and the other end extending to the second housing and being fixed to the second housing, and a gear set arranged in the second containing part.

This utility model relates to the field of soundproof cabin technology and discloses a soundproof cabin with an arc-shaped cover, including an arc-shaped aluminum profile and an arc-shaped cover. The arc-shaped aluminum profile has arc-shaped covers at both ends, and a crossbar and a vertical bar are provided between the arc-shaped aluminum profiles. The arc-shaped aluminum profile, the crossbar, and the vertical bar form a rectangular frame. A sealed door is provided on one side of the rectangular frame, and horizontal sound insulation panels are provided at the top and bottom of the rectangular frame. This utility model's arc-shaped aluminum profile and arc-shaped cover, through precise positioning groove and positioning plate design, improve the connection accuracy and stability between components, reducing noise caused by loose components. The sound insulation panels are installed using a rectangular strip and rectangular groove splicing method, making installation more convenient and flexible, and ensuring the tightness of the splicing joints, thus improving the sound insulation effect. The arc-shaped design and cavity structure not only enhance the structural strength but also further improve the sound insulation and heat insulation performance, providing users with a better user experience.

The utility model discloses PE tubular product hot melting processing equipment, including base, be equipped with screw rod on base rotation, and the outside fixed establishment of motor of base, motor output fixed connection screw rod one end, and the outside screw thread connection of screw rod is equipped with transmission block, and transmission block outer wall rotation is equipped with link rod, link rod sets up multiple and bottom all rotationally connected and is equipped with the block of holding, and multiple block top all abuts and is equipped with the pressing plate of setting up, and the fixed mechanism that all is equipped with between Yaan and the pressing plate, the fixed mechanism includes the plug -in rod and fixed cover, and the plug -in rod is fixed in the top surface of block and is inserted with the pressing plate, and the fixed cover is inserted in the top end of plug -in rod and abuts in the top surface of pressing plate, and the fixed cover inner wall is equipped with the clamping plate of fixed establishment, the clamping plate sets up multiple, and the fixed mechanism that plug -in rod is combined with fixed cover, and cooperate the pressing plate can fast and firmly fixed tubular product, effectively prevent the displacement of tubular product in the hot melting process, ensure the interface quality, and the working efficiency and connection precision of PE tubular product hot melting butt joint have improved greatly.

The utility model provides a kind of for arch rib segment temporary connection's quick fixing device, including two arch rib fixed sleeve, connecting rod bolt fixing device and two electromagnet adsorption device, two the arch rib fixed sleeve is connected symmetrically by connecting rod bolt fixing device, two the arch rib fixed sleeve is equally installed electromagnet adsorption device, the arch rib fixed sleeve includes two half-round sleeve, two mortise bolt, four rubber antiskid pad and several hoisting handles, the left side and right side in the half-round sleeve are equally installed rubber antiskid pad, and the rubber antiskid pad is attached half-round sleeve, several hoisting handles are installed in the half-round sleeve outside, two the half-round sleeve is connected by two mortise bolt.This utility model's beneficial effects: solve arch rib segment temporary connection's construction efficiency low, the problem of poor connection precision, improve the security of construction and applicability to complex construction environment.

This invention discloses a three-dimensional assembly method for ultra-large span double-layer steel truss bridges, including: setting two rows of steel piers according to the camber of the jig and preventing settlement; using a gantry crane with special clamps to achieve the horizontal and vertical conversion of the truss segments; assembling the first segment in the order of lower bridge deck, side trusses, and upper bridge deck; subsequently, matching and welding the mother segments in the same order; pre-setting vertical anti-deformation during assembly, and welding from the middle section to both sides; uniformly installing anchor pipes after the completion of the large segment assembly in a single round; setting three quality control points during assembly to check the total length, side curvature, truss width, diagonal difference, camber, and anchor point spacing; after passing the test, disassembling and removing the jig, retaining the mother segment for the next round. This application controls welding deformation and cumulative alignment error through multi-segment continuous matching assembly and anti-deformation pre-setting; the subsequent installation of anchor pipes avoids collisions and ensures anchor point accuracy; setting the jig according to the camber and re-measuring in rounds achieves a reliable transition from stress-free to stress-loaded installation.

The utility model discloses a quick dismounting and connecting mechanism and modularization curtain wall belongs to building curtain wall technical field. The curtain wall includes the cross -shaped frame of main installation frame and the side installation frame of both sides and a plurality of curtain wall main parts and connecting assembly. The preliminary positioning is realized to curtain wall main part through the sliding fit of sliding slot and support rod, and the transverse and longitudinal spacing is realized through the bumping of first abutting convex strip, second abutting convex strip and the protruding block on connecting support. The locking assembly adopts the locking wheel with eccentric hole, and the fixing of curtain wall main part is realized after rotating and clamping into locking groove, and the perpendicular direction spacing is enhanced through the clamping of semicircle ring and limiting groove. U-shaped elastic plate and second end cover are used for shielding the gap between curtain wall board, and can adapt to the deformation caused by temperature change. The structure realizes the quick positioning, double locking and gap shielding of curtain wall, improves the installation precision, efficiency and long -term stability, and is convenient to dismount and maintain.

The embodiment of the invention relates to the technical field of vehicle bodies, and discloses a rear shock absorption tower structure, a rear vehicle body assembly and a vehicle, the rear shock absorption tower structure comprises a rear shock absorption tower main body, and the rear shock absorption tower main body comprises a first mounting part arranged at the top end of the rear shock absorption tower main body and used for fixing a rear shock absorber; the second mounting part is arranged at the lower end of the rear shock absorption tower main body and is used for being connected with a lower swing arm mounting bracket; the third mounting part is arranged on the inner side of the lower part of the rear shock absorption tower main body and is connected with a rear floor; the fourth mounting part is arranged on the outer side of the upper end of the rear shock absorption tower main body and is connected with a hub package inner plate; and the fifth mounting part is arranged on the front side of the lower end of the rear shock absorption tower body, the inner side of the fifth mounting part is connected with a cross beam, and the outer side of the fifth mounting part is connected with a doorsill boundary beam. According to the technical scheme, the bearing performance of the structure can be improved, and the vehicle space layout is optimized.

The present application relates to thin film deposition equipment technical field, disclose a shower head and its processing method, the shower head includes: cover plate has the through hole, the through hole includes first hole section and second hole section;Spray plate is provided with connecting column, connecting column includes thread section and base section;Connecting sleeve, including sleeve, sleeve is matched on the outside of thread section;First sealing structure, between the sleeve and the one end of thread section away from base section, the first sealing structure seals the sleeve and thread section.The present application is matched by the sleeve and connecting column thread connection, realize the connection of cover plate and spray plate, the consistency of thread cooperation is higher than welding, can effectively improve the connection precision, in addition, realize the process of connection without using welding and so on heating means, therefore can avoid the deformation of connecting column and so on connecting structure, in addition, still set up the first sealing structure, the first sealing structure can guarantee the sealing performance between connecting sleeve and connecting column, simple structure, convenient operation.

The utility model discloses a kind of water leakage detection devices for intelligent water meter, comprising: U-shaped support plate, its left side is fixed with PLC controller;Extrusion sealing connection component, it is two groups, the extrusion sealing connection component of right side is fixedly installed on the right side inner wall of U-shaped support plate, the digital pressure gauge is fixedly connected in the right end of the extrusion sealing connection component of right side;Z-shaped pipe, left end of the extrusion sealing connection component of left side is fixedly connected in. The utility model is provided with a series of structures, it is convenient to automatically fast accurate control pressure and the two water end extrusion sealing connection of intelligent water meter body, utilize the mode that both sides accurate clamping sealing is formed by control pressure extrusion, automatically form the shielding limiting effect of both sides, avoid the risk of slipping when subsequent water pressure, improve connection stability and accuracy, and only need single start one electric telescopic rod can realize horizontal drive and sealing work, improve operation convenience.

This utility model discloses a self-locking three-dimensional metal node connection mechanism, relating to the field of structural engineering, including a connecting rod, a fixing rod, and a connecting sphere. A self-locking block is provided inside the connecting sphere, and a second spring is movably installed between the self-locking block and the connecting sphere. A fixing rod is movably installed around the connecting sphere, and a locking block is installed on the inner side of several fixing rods close to each other. A connecting rod is movably installed on the outer side of several fixing rods, and a first spring is movably installed between the locking block and the connecting block. A rectangular groove is provided inside the connecting sphere surrounding an annular groove. This utility model uses the connecting sphere as its core, achieving rapid assembly through a double self-locking structure, eliminating the need for complex tools, shortening time, facilitating secondary confirmation of the connection, and improving accuracy. Through the three-dimensional spherical structure and groove design, multi-directional connection is achieved, adapting to metal structures with different cross-sections, broadening the applicable scenarios, and reducing usage costs.

The utility model relates to the technical field of fluid machinery, and discloses a novel multi-section shaft structure capable of being spliced and disassembled, which comprises at least two shaft section units provided with male and female end connecting parts, the bottom ends of the shaft section units are the male end connecting parts, and the top ends of the shaft section units are the female end connecting parts; the two shaft section units are connected through the male end connecting part and the female end connecting part, a conical surface self-centering mechanism is arranged between the male end connecting part and the female end connecting part which are connected, and due to the fact that the shaft section units can be transported and installed in a segmented mode, the deformation problem of a long shaft during transportation is avoided, and the difficulty of field installation and centering is simplified. When local abrasion occurs, only the abraded shaft section unit needs to be replaced, overall replacement is avoided, and material waste is reduced. The shafting length can be flexibly adjusted according to the lift change, and the application range and the flexibility of equipment are improved.

The present application relates to the field of metal combination processing, and discloses a cast iron casting drilling and polishing integrated combination processing device and method, which comprises a drilling machine and a polishing machine; the drilling machine and the polishing machine sequentially perform drilling and polishing work on the parts to form part holes; the drilling machine comprises a drill bit and a drilling driving part, and the polishing machine comprises a polishing rod and a polishing driving part; the polishing rod is located at an eccentric position of the part hole, the outer wall of the polishing rod is in contact with the inner wall of the part hole, and the rotation shaft of the polishing driving part is coaxial with the part hole to be polished, so that the polishing driving part drives the polishing rod to rotate axially along the part hole to be polished. The present application integrates the drilling and polishing processes on the same platform, completes the processing and inner wall polishing of the part hole through the continuous operation of the drilling machine and the polishing machine, reduces the part transfer link, shortens the production cycle, reduces the labor intervention cost, and significantly improves the batch processing efficiency of the parts.

The embodiment of the invention relates to the technical field of vehicle bodies, and discloses a rear vehicle body assembly and a vehicle, the rear vehicle body assembly comprises a rear floor, a cross beam, a lower swing arm mounting bracket, two doorsill boundary beams, two rear shock absorption towers and two angle modules; the two rear shock absorption towers are symmetrically connected to the left side and the right side of the rear floor, the lower portions of the rear shock absorption towers are fixedly connected with the lower swing arm installation support, and the angle modules are connected between the rear shock absorption towers and the lower swing arm installation support. The front end of the rear floor is connected with the top face of the cross beam, a connecting section is arranged on the front side of the lower portion of the rear shock absorption tower, the end of the cross beam is connected with the inner side of the connecting section, and the outer side of the connecting section is connected with the threshold edge beam. By means of the technical scheme, a closed-loop multi-direction force transmission channel can be constructed to be matched with a wheel edge driving and four-wheel steering system, combined load transmission of tires under multi-direction large-angle rotation is supported, and therefore the requirements of advanced driving functions such as in-situ turning around and tire translation are met.

The application relates to the technical field of robots, and discloses a leg structure of a humanoid robot and the humanoid robot, and aims at the problem that an existing leg structure is limited by industry technical prejudice and cannot consider high bearing capacity, compactness, low cost and easy maintenance. The structure comprises a leg yaw joint, a knee joint, a bearing and a split type thigh structure member, the thigh structure member is spliced by a first leg structure member and a second leg structure member, and the two members enclose a knee joint mounting space; the knee joint is arranged in the mounting space, an output flange of the knee joint is fixed to one end of the thigh, the bearing is connected to a bearing fixing position of the thigh and the knee joint, and the leg yaw joint is perpendicular to a rotation axis of the knee joint. The application breaks the technical prejudice of an integrated skeleton structure, the split type design greatly reduces machining cost, simplifies assembly and maintenance, and realizes double support layout of the knee joint by relying on the split type thigh, which improves bearing rigidity, avoids uneven wear and tear, guarantees the overall compactness of the leg, and effectively solves the problem that multiple performances are difficult to consider.

The application relates to the technical field of semiconductor equipment, in particular to a motor locking device and a micro-motion table, which comprises a mounting bottom plate, a motor connecting plate, a plug-in piece and a transverse locking assembly; the motor connecting plate is provided with a mounting hole; the plug-in piece is vertically inserted into the mounting hole; a driving hole is formed in the plug-in piece, and a limiting blocking part for abutting against the motor connecting plate is arranged at the upper end of the plug-in piece; the transverse locking assembly comprises a push rod slidingly mounted on the mounting bottom plate and a locking pin with one end connected with the push rod and the other end provided with a guide inclined surface; the push rod is driven to move along the axial direction, thereby driving the locking pin to be inserted into or withdrawn from the driving hole; when the locking pin is inserted, the guide inclined surface abuts against the inner wall of the driving hole, the plug-in piece is pushed to move towards the mounting bottom plate, and the limiting blocking part is pressed against the motor connecting plate. The application can realize the quick disassembly and assembly of the motor from the side, optimizes the disassembly and assembly process, and effectively improves the maintenance efficiency.

The utility model discloses an attached type lifting scaffold rail relates to building construction equipment technical field, and specifically includes the rail body with the attached type lifting scaffold adaptation, one end of rail body is provided with the positioning plug -in block, the other end of rail body is provided with the positioning jack -in hole with the positioning plug -in block adaptation, the back of both ends of rail body all is provided with the fixed lug, and adjacent two rail bodies are connected through the first bolt with the positioning jack -in hole adaptation and the second bolt with the fixed lug adaptation, and the first bolt is connected with the second bolt through locking structure and realizes mechanical locking. First bolt and second bolt in the application realize linkage locking through locking structure, and utilize locking structure, so that first bolt and second bolt form interlocking constraint relation, eliminate the independent loosening risk between bolt, and also save the operation procedure of installing anti -loosening part one by one, the overall anti -loosening reliability and maintenance convenience of connection system are improved significantly.

The utility model discloses a mold for preparing an impeller main body. The mold comprises a bottom plate, a top plate, a forming main body, an outer forming body, an insertion piece insert and a guide column, a through hole is formed in the center of the top plate and is parallel to the bottom plate; the lower end of the forming main body is connected with the bottom plate; the upper end of the forming main body is inserted into the through hole; the outer forming body is located between the bottom plate and the top plate and located on the outer side of the forming main body, a cavity used for forming an impeller main body is formed between the outer forming body and the forming main body, and a material injection opening communicated with the cavity is formed in the upper end of the forming main body; the insertion piece insert is located in the cavity and detachably connected with the forming body. The multiple guide columns penetrate through the bottom plate, the outer forming body and the top plate at the same time, and the outer forming body and the top plate can slide in the length direction of the guide columns. High-precision and high-efficiency forming of the impeller body is achieved, and the tensile strength and the bending strength of the impeller body are improved.

The application discloses a pressure regulation type high-precision assembly brazing forming process for dissimilar aluminum alloys, relates to the field of aluminum alloy brazing forming, and comprises dissimilar aluminum alloy base material preparation, which is used for solving material adaptability, high-temperature stability and size precision problems; after preparation, pretreatment is carried out, which is used for thoroughly removing pollution, activating a surface, guaranteeing uniform spreading of brazing filler metal and interface combination; high-precision assembly is carried out after the pretreatment, interface gaps are strictly controlled in a very small uniform range; a pressure regulation tool set is integrated, which is used for real-time compensation of gap changes; and an ultrahigh vacuum brazing process is implemented, and joint performance verification and quality control are carried out. The pressure regulation type high-precision assembly brazing forming process for dissimilar aluminum alloys, the developed Al-Ce-La series cast aluminum alloy can withstand 605 DEG C high-temperature brazing, has no problem of overburning and blistering, realizes stable metallurgical combination with a wrought aluminum alloy, solves the material adaptation problem of dissimilar aluminum alloy brazing, and improves material adaptability.

The utility model discloses a battery power supply connecting device in a battery changing cabinet, which comprises a battery changing cabinet, a plurality of battery boxes are fixedly connected to the inner cavity of the battery changing cabinet, two symmetrical F-shaped plates are fixedly connected to the inner walls of the battery boxes, a connecting rod is jointly installed on the inner walls of the two F-shaped plates, rollers are rotatably connected to the surface of the connecting rod, and the rollers are fixedly connected to the inner cavity of the battery changing cabinet. A battery is arranged at the top of the rolling wheel, two symmetrical limiting rods are fixedly connected to the inner wall of the battery box, two symmetrical sliding grooves are integrally formed in the surface of the battery, and a plug is installed on the inner wall of the battery box. According to the utility model, the battery is placed at the top of the roller, so that the limiting rod is clamped with the sliding groove, and then the battery is pushed, so that the plug is connected with the charging port, thereby achieving the purposes of effectively reducing the occurrence of dislocation during the connection between the charging port and the plug and further improving the connection accuracy between the charging port and the plug.

The application discloses a kind of space three curved steel box girder model construction methods based on BIM technology, comprising: step 1, obtain the two-dimensional drawing data of bridge, generate route space curve;Step 2, according to the ellipse equation in two-dimensional drawing data, generate the corresponding semicircular arc part profile of roof, bottom plate, web plate and rib plate in bridge, and form parameterized profile family with corresponding straight line part profile;Step 3, with the obtained route space curve as reference, generate the corresponding steel box girder frame entity of bridge;Step 4, according to the diaphragm parameter of bridge section in two-dimensional drawing data, generate diaphragm entity;Step 5, with route space curve reference, the generated diaphragm entity is imported into steel box girder frame entity, and the corresponding three curved steel box girder model is output.The application further provides a kind of space three curved steel box girder model construction system.The method of the application can solve the technical problems of three curved steel box girder fine lofting and deepening design.

The utility model provides a support structure of a camera lens module, which comprises a rectangular plate and a light hole arranged on the rectangular plate, one side of the rectangular plate is provided with a terminal plate notch, the terminal plate notch is internally provided with a terminal connecting plate, the bottom end of the terminal connecting plate is provided with two circuit board pins, and the circuit board pins are connected with the terminal connecting plate. The bottom ends of the two circuit board pins are provided with rubber insulating rings, one side of the top end of the rectangular plate is provided with a first anti-collision strip, the other side of the top end of the rectangular plate is provided with two second anti-collision strips, and the end parts of the two second anti-collision strips are respectively connected to the outer edge parts of the light holes. According to the utility model, one side of the rectangular board is provided with the terminal board notch, the terminal board notch is internally provided with the terminal connecting board, the bottom end of the terminal connecting board is provided with the two circuit board pins, and the bottom ends of the two circuit board pins are provided with the rubber insulating rings, so that the circuit board can be quickly positioned and installed at a circuit board part without bonding; and good connection stability and position installation precision are ensured, and use is convenient.