35results about How to "Avoid positional interference" patented technology

The utility model discloses an interphase paper insertion machine, which relates to the technical field of automatic motor assembly equipment and comprises a workbench, a transferring mechanism for transferring iron cores, a paper insertion mechanism for inserting interphase paper into the iron cores, a carrying mechanism for carrying the iron cores and a storage mechanism for storing the iron cores. The paper inserting mechanism is provided with a limiting assembly used for limiting an iron core, the limiting assembly comprises a support, a longitudinal movement driving device, a vertical movement driving device and a movable pressing disc, the longitudinal movement driving device is installed on the support, and the vertical movement driving device is installed at the output end of the longitudinal movement driving device. The pressure plate is rotatably mounted at the output end of the vertical movement driving device; limiting in the iron core paper inserting process is achieved through the limiting assembly, iron core position deviation is prevented, and the paper inserting precision is improved; and the pressure plate is rotatably mounted at the output end of the vertical movement driving device, so that the position interference is avoided while the iron core is limited.

The utility model relates to the technical field of landscaping facilities, in particular to a garden landscape folding flower stand which comprises a plurality of underframes and shelving plates, one underframe and one shelving plate form a group, the underframes are arranged on the lower portion, the shelving plates are arranged on the upper portion, folding mechanisms are installed among the outer portions of the multiple underframes, the whole of the multiple underframes is in a regular triangle shape, and the folding mechanisms are arranged on the lower portion of the multiple underframes. And fixing seats are mounted at the triangular positions of the top surface of the base. The utility model has the advantages that: a plurality of fixed rods in a circumferential array are arranged above the placing disc, the sliding seat is arranged outside the placing disc in a sliding manner, the top surface of the placing disc is provided with a plurality of groups of guide grooves which are arranged in a splayed manner, the clamping rods are arranged inside the plurality of groups of guide grooves in a sliding manner, and the soft sleeves are sleeved outside the clamping rods; connecting rods are connected between the multiple sets of clamping rods and the sliding seat, the multiple sets of clamping rods can be unfolded and folded by adjusting the position of the sliding seat, the space defined by the multiple sets of clamping rods can be changed, flowerpots of different sizes can be placed on the containing disc, and the flowerpots can be clamped and limited through the clamping rods.

The utility model discloses a bent arm hinge structure and a vehicle door system.The bent arm hinge structure comprises a fixing base fixedly arranged on the end face of the side, away from a cabin door, of a vehicle frame and a bent arm rotating piece arranged on the fixing base in a hinged mode. Opening and closing of the cabin door are achieved through relative rotation of the bent arm rotating piece and the fixing base, the bent arm rotating piece is located on the inner side of the cabin door all the time in the cabin door opening and closing process, and the integrity of the hinge structure and a vehicle body is guaranteed. The bent arm rotating piece has a large internal receding space in the rotating process, so that position interference between the bent arm rotating piece and the side wall piece or the sealing rubber strip is avoided, the rotating angle of the bent arm rotating piece relative to the fixing base can be increased to a greater extent, and the maximum opening and closing angle of the cabin door is increased under the condition that the requirement for the fit clearance of a vehicle door system is met.

The utility model discloses a dish-washing machine top tray guide rail mechanism which comprises a top tray, two sliding rails and guide rail seats corresponding to the sliding rails, the guide rail seats are fixedly connected to the top wall of an inner container of a dish-washing machine, bayonets are formed in the lower ends of the guide rail seats, columnar ribs are formed at the upper ends of the sliding rails, and the columnar ribs are fixedly connected to the top wall of the inner container of the dish-washing machine. The cylindrical ribs are clamped in the bayonets and are in sliding fit with the bayonets, the two sliding rails are arranged on the left side and the right side of the top tray respectively, sliding grooves are formed in the sides, facing the top tray, of the sliding rails, rolling wheels are arranged on the edge of the top tray, and the rolling wheels are clamped in the sliding grooves and are in rolling fit with the sliding grooves. The guide rail seat for supporting the slide rail is moved upwards to the top wall of the inner container of the dish-washing machine, so that the side space of the inner container of the dish-washing machine is effectively saved, position interference between the inner container of the dish-washing machine and a middle-lower tray is avoided, the middle-lower tray is convenient to arrange, and the inner space of the inner container of the dish-washing machine is reasonably utilized.

The utility model discloses an auxiliary frame and a vehicle with the same. The auxiliary frame comprises a first longitudinal beam, a second longitudinal beam and a third longitudinal beam, the first longitudinal beam and the second longitudinal beam are arranged on the two opposite sides of the auxiliary frame respectively, at least one of the first longitudinal beam and the second longitudinal beam is provided with a first receding groove, and the first receding groove is used for receding a power assembly. According to the embodiment of the utility model, the auxiliary frame can avoid the power assembly, so that position interference between the power assembly and the auxiliary frame after the height of the power assembly is reduced can be avoided, and the height of the whole vehicle can be reduced.

The utility model discloses an automatic sealing door which comprises a door body and driving assemblies arranged at the two ends of the door body respectively, each driving assembly comprises a support, a guide seat and an air cylinder, each air cylinder is vertically fixed to the corresponding support, the driving end of each air cylinder is in transmission connection with the door body, and the driving end of each air cylinder is in transmission connection with the door body. The support and the guide seat are both fixed on a preset rack, at least one guide groove is formed in the guide seat, the guide groove comprises a vertical groove and an inclined groove located at the upper end of the vertical groove, guide blocks in one-to-one correspondence with the guide seat are fixed to the two ends of the door body respectively, guide wheels are arranged on the guide blocks, and the guide wheels are arranged on the guide blocks. And the guide wheel is arranged in the guide groove and is in rolling fit with the guide groove. The utility model has the characteristics of simple structure, space saving, simple control logic and the like.

This utility model relates to the technical field of latex glove bundling devices, and more particularly to a semi-automatic bundling machine for tensile-reinforced latex gloves; it includes: a pusher plate slidably connected to a mounting frame; a second lead screw rotatably connected to the back side of each pusher plate; a drive shaft rotatably connected within the mounting frame; a bevel gear set consisting of three bevel gears, respectively fixedly connected to the central second lead screw and two drive shafts; a second motor fixedly connected within the mounting frame; and a second synchronous belt set disposed between the drive shaft and the second lead screw on the same side. This utility model, by automatically centering and stacking gloves, not only improves the neatness and positioning accuracy of glove stacking, but also effectively enhances the stability of glove bundling, avoiding loose bundling caused by glove misalignment; at the same time, it significantly shortens the bundling preparation time for a single batch of gloves, greatly improving the overall efficiency of glove bundling operations.

The utility model relates to a turnover contact type heating device. The turnover contact type heating device comprises a first driving mechanism, a second driving mechanism, a fixed base, a fixed turnover plate, a movable bottom plate, at least one heating wire and at least one first heating block, the fixed turning plate is hinged to the fixed base, and the first driving mechanism is hinged to the fixed turning plate; the second driving mechanism is mechanically and fixedly connected with the fixed turning plate, and the first heating block is connected with the second driving mechanism through the movable bottom plate to drive the first heating block to do linear motion so as to achieve pressing and loosening actions on a workpiece; the heating wire is arranged on the first heating block; the sheet metal part heating device is reasonable in structural design, pressing and synchronous heating of workpieces are achieved through the structural design and layout of a plurality of driving mechanisms and a plurality of heating blocks, the heating effect is good, adaptability is good, the provided operation space is large, and continuous batch operation of sheet metal part heating in an automatic production line can be achieved conveniently.

The utility model discloses a kind of inclination angle adjusting control devices, including two angle adjusting supports, two described angle adjusting supports are evenly including vertical pole, inclined pole, adjusting rod, the vertical pole is set along vertical direction and is fixedly installed on fixed part, the inclined pole one end is hinged with vertical pole, the other end is hinged with the one end of adjusting rod, the other end of the adjusting rod is hinged with vertical pole;The adjusting rod adopts two-section structure, including upper adjusting rod and lower adjusting rod, the opposite one end of the upper adjusting rod and lower adjusting rod can be position adjusted, and locking is carried out.The device covers the angle 30-50° commonly used in inclined pole construction, device each component can be disassembled, maintenance is convenient, angle control is accurate, easy to operate;Inclined pole and enclosure structure horizontal component connection place need not to be strengthened processing, save construction cost and construction period, and the quality of inclined pole construction is guaranteed.

The invention relates to a pumped storage power station vertical shaft type water inlet and outlet fairing cone installation construction method, which comprises the following steps of: hoisting a hoisting steel truss type steel platform to the position of a vertical shaft type water inlet and outlet through a truck crane, supporting the hoisting steel truss type steel platform on a top edge step of the water inlet and outlet, adjusting the position of the platform, and installing and fixing the platform; a supporting steel pipe is arranged in the center above the hoisting steel truss type steel platform, and the inner diameter of the supporting steel pipe is smaller than the diameter of the cone end spherical surface of the fairing cone steel lining; the lower half part of the fairing cone steel lining is hoisted to the position of a vertical shaft type water inlet and outlet through a truck crane, and the cone end spherical surface of the fairing cone steel lining is supported on a supporting steel pipe on a lower hoisting steel truss type steel platform and is supported through a steel pipe formwork support; the upper half part of the fairing cone steel lining is hoisted to the position of the vertical shaft type water inlet and outlet through a truck crane and supported through a steel pipe formwork support, and the upper half part of the fairing cone steel lining and the lower half part of the fairing cone steel lining are welded to form the fairing cone steel lining; and concrete pouring construction of the fairing cone is carried out by taking the fairing cone steel lining as a pouring template.

The present invention discloses a high-strength medical braided guide wire winding machine, comprising a base, a wire entry assembly and a positioning assembly, wherein a reciprocating screw rod is arranged on the outer side of the top of the base, and a wire entry assembly is arranged on the outer end of the reciprocating screw rod, a braided guide wire is arranged inside the wire entry assembly, and a docking assembly is connected to the top of the wire entry assembly. In the process of winding the braided guide wire, the present invention enables the electromagnet on one side of the moving seat to be energized, and the electromagnet can drive the fitting arc seat to squeeze the first spring to fit with the inner wall of the fitting arc seat after being energized, and the braided guide wire is made of the same metal material, so that the braided guide wire will be adsorbed by the electromagnet and displaced synchronously, and after the electromagnet loses power, the moving seat will be reset due to the rebound force of the first spring, and at this time, because the electromagnet is in a power-off state, it will not drive the braided guide wire to move, and the reciprocating operation can make the braided guide wire tightly wound on the winding drum, and can avoid the dislocation and knotting caused by too large spacing during the winding process of the braided guide wire.

The utility model discloses an air conditioner, include: casing, heat exchanger, fan subassembly, fixed bolster, drive motor, install in fixed bolster and be located at the center of air outlet, air -guide subassembly, rotatablely be located in air outlet and with drive motor transmission connection, bearing assembly, install in fixed bolster, air -guide subassembly is equipped with the rotation part, and the rotation part is with drive motor motor shaft transmission connection, and the rotation part is worn in bearing assembly and is connected with bearing assembly, limit connecting piece, one end of adjacent drive motor of rotation part is detachably connected, and limit connecting piece stops in the back of bearing assembly to one side of panel frame, the air conditioner of the utility model is directly through the rotation part and drive motor transmission connection, simple structure, convenient to assemble, and drive motor drives air -guide subassembly rotation from the center of air -guide subassembly, and air -guide subassembly can be spaced apart with other components, thereby can avoid the noise or vibration of friction, and air -guide subassembly rotates more stable, and the air -guide effect is better.

The utility model relates to the technical field of cleaning appliances, and discloses a scraping cleaning appliance. Comprising a scraping head, a handheld rod and a rotating assembly. The handheld rod is rotatably arranged on the scraping head through a rotating assembly, so that the handheld rod can rotate relative to the scraping head in the width direction of the scraping head, and the angle between the handheld rod and the scraping head is changed; wherein the rotating assembly is driven by the handheld rod and can rotate in the circumferential direction of the rotating assembly, so that the rotating assembly is switched between an unlocking state and a locking state; when the rotating assembly is in the unlocking state, the handheld rod can rotate relative to the scraping head in the width direction of the scraping head so as to change the angle between the handheld rod and the scraping head; when the rotating assembly is in the locking state, rotation of the handheld rod in the width direction of the scraping head is limited. The rotating assembly is driven by the handheld rod to rotate in the circumferential direction of the rotating assembly so that unlocking can be conducted, a user can rotate the handheld rod at any time in the width direction of the scraping head, then the scraping angle of the scraping head is adjusted, and the user can use the scraping head conveniently.

The utility model relates to the technical field of automobile glass lifter, concretely is a fork arm formula automobile glass lifter, including drive arm assembly, driven arm, short cross arm, long runner, short runner and motor mounting plate, the long runner is installed in the door side wall, the driven arm and short cross arm all are through the cooperation rotation of connecting assembly and the middle part of drive arm assembly and install, beneficial effect: structure simplification: the lifter structure of the utility model is relatively simple, and the connection and cooperation mode between each part are reasonable, avoid the complex connecting rod mechanism or steel wire rope structure in traditional lifter, thereby reduce the manufacturing and maintenance cost, convenient installation: because the lifter structure design of the utility model is reasonable, when installing, do not need to transform a lot to the door, only need to install the long runner in the door side wall, and install the motor mounting plate in the door inner plate side wall, can, greatly simplify the installation process, save the time cost.

The invention provides a main machine of tunneling equipment and the tunneling equipment. The main machine of the tunneling equipment comprises a first shield body and a second shield body and is provided with a spherical hinge structure; the spherical hinge structure comprises a spherical head part arranged on the first shield body and a spherical surface part which is arranged on the second shield body and wraps the spherical head part in a surrounding mode, and the spherical head part can rotate in the spherical surface part. The hinge structure is small in turning radius, flexible to use and capable of turning suddenly, so that a main machine is suitable for suddenly turning tunneling.

According to the folding bicycle frame and the folding bicycle provided by the invention, on the premise of ensuring the portability of the folding bicycle, the folding bicycle frame realizes the maintenance of an unfolding posture through the matching of the plug pin and the positioning blind hole; a small-range relative movement space is reserved for the front frame and the rear frame through the size design of the positioning blind holes in the corresponding direction, and on the basis, the hidden damping mechanisms are arranged in the positioning blind holes, so that on one hand, the situation that the folding performance of the folding frame is affected by exposure of the damping mechanisms can be avoided, and on the other hand, the protection performance of the damping mechanisms can be improved; and the damping mechanism is more durable.

The utility model discloses a longitudinal beam, a frame and a vehicle, the longitudinal beam comprises a web plate, the web plate is provided with a first end and a second end opposite to each other along the length direction of the web plate, and the first end is provided with a cutting part; the upper wing plate is connected to one side, in the width direction, of the web plate and is bent relative to the web plate, one end of the upper wing plate extends to one side, facing the second end, of the cutting part, and an avoiding part is arranged at the other end of the upper wing plate; and the lower wing plate is connected to the other side of the web plate in the width direction and is bent relative to the web plate. According to the longitudinal beam, position interference with other components can be avoided, machining of the longitudinal beam is facilitated, and production quality of the longitudinal beam is improved.

The application discloses a diffuser casting die and a working method thereof. The outer ring positioning block is coaxially arranged at the periphery of the inner ring positioning block. The outer ring positioning block comprises a plurality of outer ring positioning sub-blocks. The inner ring positioning block comprises a plurality of first and second inner ring positioning blocks. The first and second inner ring positioning blocks are arranged alternately. The positioning ring driving mechanism comprises first, second and third positioning ring driving mechanisms. The first positioning ring driving mechanism is connected with all the first inner ring positioning blocks. The second positioning ring driving mechanism is connected with all the second inner ring positioning blocks. The third positioning ring driving mechanism is connected with all the outer ring positioning sub-blocks and can drive all the outer ring positioning sub-blocks to move synchronously along the radial direction of the inner ring positioning block. The pouring gate is arranged on the outer ring positioning sub-block. The application can realize the integral casting of the diffuser, and improve the casting quality and production efficiency of the diffuser.

The hybrid transmission assembly comprises a transmission, a controller and a connecting cable, the transmission is arranged on a frame and located below a cross beam of an engine cabin, and the transmission is used for controlling the speed change of the vehicle; the controller is arranged in an engine cabin and used for controlling the rotating speed change of the transmission; the connecting cable is fixedly arranged in an engine cabin and used for transmitting a control signal of the controller to the transmission. According to the hybrid transmission assembly, the transmission and the controller are arranged in a split mode, the transmission and the controller are reliably connected through the connecting cable, signal transmission between the transmission and the controller is achieved, and the space arrangement requirement of components is met; according to the structure, the longitudinal layout requirement can be met without too much adjustment of the internal structure of the engine cabin, the internal space of the engine cabin can be reasonably utilized, the assembling process of the hybrid transmission is simplified, and the assembling efficiency is improved.

The utility model relates to a substrate correcting device which comprises two correcting mechanisms, a substrate can be placed above the two correcting mechanisms, and the two correcting mechanisms are arranged in a first direction in a spaced mode and are symmetrical relative to the center point of the substrate. A fixing assembly of the correction mechanism comprises an adsorption part and a sliding block, the adsorption part can be adsorbed and fixed to the lower surface of the substrate, the adsorption part is provided with a guide cavity, and the sliding block is arranged in the guide cavity and can move in the extending direction of the guide cavity. A moving assembly of the correcting mechanism comprises a moving support, the moving support is rotationally connected with a sliding block, the moving support can move oppositely or oppositely in the second direction, the second direction is perpendicular to the first direction, and an included angle is formed between the second direction and the extending direction of a guide cavity. The sliding block is limited by the guide cavity, rotates relative to the movable support and drives the adsorption piece and the base plate to rotate. The substrate correction device does not extrude the edge of the substrate, does not generate position interference with the substrate, and can prevent the substrate from being damaged.

The application relates to the field of optical fiber manufacturing equipment, in particular to a heating device for an optical fiber fusion processing platform. The device comprises a fusion and stretching structure, which comprises a fixed sleeve connected to the middle part of the processing table and a stretching sleeve slidingly arranged at the two ends of the fixed sleeve; the middle part of the fixed sleeve is provided with a fusion cavity; the fusion cavity is provided with a heating and fusion structure; the stretching sleeve is provided with a traction and flow guide structure; the traction and flow guide structure can horizontally pull the optical fiber through the traction end, so that the optical fiber can be butt-jointed before fusion and stretched after fusion; the traction and flow guide structure can guide the air circulation in the fusion cavity through the flow guide end, so that the optical fiber can be cleaned before fusion and cooled after fusion; the positions of the traction end, the flow guide end and the heating and fusion end are staggered. Through linkage control of the components, the application realizes the full-process automation and intellectualization of the optical fiber from feeding, centering, cleaning, fusion, stretching to annealing, cooling and discharging, and improves the quality stability and production efficiency of the optical fiber fusion processing.

The application belongs to the field of automatic feeding and provides an automatic feeding mechanism, which comprises a rack, a transmission assembly, a driving assembly, a track block and a transposition assembly. Compared with the prior art, the application has the advantages that the reciprocating movement of the single driving assembly can synchronously control the transmission assembly to push the workpiece out of the material conveying track, and the cooperation of the transposition assembly and the track block can automatically switch the clamping piece between the material receiving position and the transfer position. In particular, the abutment of the first limiting block and the positioning stop block effectively ensures the absolute stability of the clamping piece when the workpiece is pushed by the material shifting rod. The precise guidance of the track groove avoids the deviation and falling of the workpiece during the receiving and transposition process, greatly improves the accuracy of the feeding operation and the reliability of the equipment operation, the whole equipment action is coherent, and the multi-step operation can be completed without an additional power source, which significantly improves the automation degree and operation continuity of the workpiece feeding.

The invention discloses a material discharging and limiting mechanism for core winding and an operation method thereof, and relates to the technical field of motor automatic assembly equipment. The material discharging and limiting mechanism for core winding comprises a mounting seat, a material discharging block for placing the core, a limiting assembly for limiting the core on the material discharging block, a positioning assembly for positioning the limiting assembly and a pushing assembly for pushing the material discharging block so that the core corresponds to the limiting assembly, wherein the material discharging block can be movably arranged on the mounting seat; the limiting assembly has a flippable limiting block, which is rotatably arranged on the front side of the mounting seat; the pushing assembly drives the material discharging block to move so that the core abuts against the limiting block; by adopting the material discharging block, the limiting assembly, the positioning assembly and the pushing assembly, the material discharging of the core, the limiting of the core, the positioning of the limiting assembly and the pushing position movement of the core are automatically realized, thereby meeting the position requirements and limit requirements of the core.

The application relates to the automobile field, in particular to a multifunctional muffler fixing support which is used for fixing a muffler on a vehicle body longitudinal beam and comprises a first structural arm, a second structural arm and a support body; the first structural arm and the second structural arm are fixedly connected with the two sides of the support body respectively; the support body is used for being fixedly connected with the vehicle body longitudinal beam; the first structural arm and the second structural arm are both extended from the two sides of the support body to one side of the muffler; a first connecting part is arranged on the first structural arm, a second connecting part is arranged on the second structural arm, and the first connecting part and the second connecting part are used for being detachably connected with the muffler; a first wire harness fixing part is further arranged on the second structural arm; the first wire harness fixing part is used for being detachably connected with a wire harness fixing piece; thus, the muffler is fixed on the vehicle body longitudinal beam, the fixing of the internal partial wire harness of the automobile is realized, and the cost of separately designing and manufacturing the wire harness fixing piece is saved.

The auxiliary frame comprises a plurality of longitudinal beams, the longitudinal beams are arranged on the two opposite sides of the auxiliary frame respectively, each longitudinal beam is provided with a support installation portion and a control arm installation portion, the support installation portions and the control arm installation portions are arranged in the left-right direction, and the control arm installation portions are arranged on the support installation portions. The control arm mounting part is positioned on the outer side of the bracket mounting part; wherein the control arm installation part is provided with a plurality of control arm installation holes, and the central axes of the control arm installation holes extend in the direction away from the support installation part from bottom to top in the vertical direction. According to the auxiliary frame provided by the embodiment of the utility model, the disassembly and assembly space of the control arm can be increased, the position interference between the disassembly and assembly of the control arm and other parts is avoided, and the disassembly and assembly of the control arm are more convenient.

The utility model relates to low -voltage switchgear technical field especially relates to a kind of auxiliary device of low -voltage switchgear energy consumption management, including cabinet, the cabinet inside is equipped with load-bearing frame, the front end of the load-bearing frame is equipped with several fixed rows, the rear end of the load-bearing frame is equipped with movable adjusting frame;Movable adjusting frame, including guide rod.The utility model is by setting movable adjusting frame in the rear end of cabinet, movable adjusting frame is by setting first sliding component and second sliding component for with cabinet sliding connection in both ends, realize the stable sliding adjustment of movable adjusting frame in the rear end of cabinet its position in cabinet, by setting slide for installing energy consumption management equipment and slide can along the guide rod of movable adjusting frame sliding, to flexibly adjust the installation height of energy consumption management equipment, it is convenient to carry out energy consumption monitoring to different electrical equipment, effectively avoid the position interference problem between energy consumption management equipment and electrical equipment, improve the flexibility of energy consumption management equipment installation.

The utility model relates to the field of bag making, in particular to a finished product detection device of a bag making machine, which is characterized in that a packaging bag is wound by a winding roller after being subjected to heat sealing by a heat sealing machine, a square tube is arranged above a winding path of the packaging bag along the direction parallel to the axis of the winding roller, and a screw rod is coaxially arranged in a tube cavity of the square tube; a nut seat on the lead screw is in sliding fit with the inner wall of the square tube in the length direction, a first magnetic block is installed on the nut seat, a sliding seat in sliding fit with the square tube is arranged outside the square tube, a second magnetic block in magnetic attraction fit with the first magnetic block is installed on the sliding seat, and a detection probe used for detecting patterns on the surface of the packaging bag is fixed to the sliding seat. According to the utility model, the detection position of the detection probe can be quickly adjusted.

The utility model relates to the technical field of elevator production, and particularly discloses an elevator supporting rod drilling positioning device which comprises a base, a first leaning rod, a second leaning rod, a first positioning screw rod and a second positioning screw rod are arranged at the upper end of the base, the first leaning rod and the second leaning rod position a supporting rod, the second positioning screw rod is connected with an ejector rod, and the ejector rod is connected with the base. A marking mechanism is connected to the upper portion of the base and comprises a sliding block connected with the base, a supporting shaft is arranged at the upper end of the sliding block and connected with a position-adjustable pressing rod, the pressing rod is located above the supporting rod, and a pressing disc is arranged at the lower end of the pressing rod. The bottom of the pressure plate is provided with a cross-shaped letterpress mark capable of printing a cross-shaped mark on the support rod; according to the utility model, the bottom of the pressure plate is provided with the cross-shaped letterpress mark capable of printing the cross-shaped mark on the supporting rod, so that when the supporting rod of the same model is marked and positioned, the marking and positioning can be directly carried out, the complexity and error caused by repeated measurement are avoided, and the positioning efficiency and precision are improved.

The invention discloses a light-weight rolloff tire membrane which comprises a tire membrane body composed of a light-weight base, an anti-torsion truss and a molded surface supporting frame, the light-weight base comprises a center hub and radial branch supporting columns, and the anti-torsion truss supports the molded surface supporting frame by arranging first-stage supporting columns, inter-column reinforcing ribs and second-stage supporting columns at the tail ends of the radial branch supporting columns. The angles of the first-stage supporting columns and the second-stage supporting columns coincide or are close to the edge rolling resultant force vector direction, the annular reinforcing ribs, the inter-column reinforcing ribs and the second-stage supporting columns are selectively arranged according to load distribution, dynamic rigidity and function avoiding requirements, and a multi-stage reinforcing and tuning structure of the edge rolling tire film is formed, so that great weight reduction is achieved, and the edge rolling effect is improved. While the switching time of the rolloff tire membrane is shortened and the energy consumption is reduced, the rigidity of the rolloff tire membrane can be ensured through the flexible arrangement of the multi-stage reinforcing and tuning structure, the processing resonance is effectively inhibited, and the rolloff precision is ensured not to be influenced.

The present invention discloses a trolley switch cabinet test tool, comprising a base and a test frame, wherein the test frame is arranged on one side of the base, and a plurality of first test heads, a plurality of second test heads and a plurality of third test heads are arranged on a side of the test frame close to the base, and two parallel first rails, two parallel second rails and two parallel third rails are arranged on the base, the two first rails are arranged between the two second rails, the first rail and the second rail are arranged between the two third rails, the height of the first rail is lower than the height of the second rail, and the height of the second rail is lower than the height of the third rail. By arranging the first rail, the second rail and the third rail, the trolley switch cabinet test tool can adapt to three commonly used specifications of trolley switch cabinets, so that the trolley switch cabinet test tool can detect three commonly used specifications of trolley switch cabinets, thereby expanding the scope of application of the trolley switch cabinet test tool.