25results about How to "Prevent sideways" patented technology

The utility model relates to the technical field of the photovoltaic industry, in particular to a photovoltaic panel hoisting device which comprises a supporting frame, a threaded rod, a driving motor, a guide rod, a sliding block, a hoisting disc, a winch, a steel wire rope, a hoisting mechanism, a bottom plate, universal wheels and a balancing weight. When the photovoltaic panel fixing device is used, the bottom end of a photovoltaic panel is placed in the bearing seat, the clamping and fixing plate moves in the bearing seat by rotating the screw rod, the bottom of the photovoltaic panel is pressed and fixed, and then the positive and negative tooth screw rod is rotated by the hand wheel to enable the two sliding blocks in threaded connection with the positive and negative teeth of the positive and negative tooth screw rod to move oppositely or reversely. According to the photovoltaic panel hoisting device, the two clamping plates are arranged to drive the two clamping plates to move, the edges of the two sides of the photovoltaic panel are clamped and fixed through the two clamping plates, so that the photovoltaic panel is fixed, the photovoltaic panel has good stability in the hoisting process, lateral deviation of the photovoltaic panel can be prevented, and safety accidents are avoided.

The air bag type modularized unmanned aerial vehicle air ejection device comprises a cylinder body, an air bag combination body, an actuating arm, an actuating piston, a buffering exhaust mechanism and an air source, an opening extending in the length direction of the cylinder body is formed in the top of the cylinder body, and the air bag combination body is arranged in the cylinder body; the air bag assembly comprises a plurality of sections of air bags which are sequentially spliced and communicated, the air source is communicated with the rear end of the air bag assembly, the actuating piston is connected with the front end of the air bag assembly, and the actuating arm is connected with the actuating piston and extends out of the cylinder body through the opening. The unmanned aerial vehicle gas ejection device has the advantages of being simple in structure, high in adaptability, reliable in ejection and high in ejection efficiency.

The utility model belongs to the technical field of steel plate floor slabs, and particularly relates to a quick disassembly and assembly type steel plate floor slab which comprises an upper steel plate and a lower steel plate. The bottom of the upper steel plate is fixedly connected with a T-shaped insertion strip, the top of the lower steel plate is provided with a T-shaped insertion rail, one side of the upper steel plate is fixedly connected with an upper clamping block, one side of the lower steel plate is fixedly connected with a lower clamping block, and the side, away from the upper clamping block, of the upper steel plate is fixedly connected with an L-shaped upper clamping groove plate. The side, away from the lower clamping block, of the lower steel plate is fixedly connected with an L-shaped lower clamping groove plate, the inner surface of the L-shaped upper clamping groove plate is in threaded connection with a connecting bolt, and one end of the connecting bolt sequentially penetrates through the L-shaped upper clamping groove plate, the upper clamping block and the lower clamping block and extends into the lower clamping block. And assembly can be completed under the condition of light weight, so that the workload can be reduced, the influence on construction is avoided, and the construction efficiency is improved.

The utility model provides a moving contact system and a circuit breaker comprising the same. The moving contact system comprises a plurality of contact fingers which are arranged in parallel; the contact supporting piece comprises a supporting plate and a pair of supporting arms arranged on the two sides of the supporting plate, and the first ends of the plurality of contact fingers are pivotally installed between the pair of supporting arms; the plurality of springs are arranged corresponding to the plurality of contact fingers and are positioned between the plurality of contact fingers and the supporting plate of the contact supporting piece; and the insulating grating comprises a connecting part which is arranged between the contact finger and the spring. According to the moving contact system, the insulating grating is arranged between the contact finger and the corresponding spring, so that the spring can provide larger contact pressure for overcoming electro-dynamic repulsive force during short-time tolerance, the tolerance performance is improved, meanwhile, the insulating grating and the contact finger can keep synchronous movement, friction force is reduced in the switching-on / switching-off process, and the service life of the moving contact system is prolonged. And the mechanical performance of the circuit breaker is improved.

This utility model discloses a rotary worktable for a casting machine, comprising: a rotary table, a drive mechanism, a base, and several support components; the rotary table is provided with several workstations, and the rotary table is connected to the drive mechanism via transmission, and the rotary table is mounted on the base; the support components are located below the rotary table, and the support components include a support base, a support plate, a connecting seat, and rollers, the rollers are rotatably connected to the connecting seat, the connecting seat is mounted on the support plate, the support plate is mounted on the support base, and the rollers are in contact with the lower surface of the rotary table; this solution has the characteristics of improving casting efficiency, facilitating automated operation, and high stability.

The utility model discloses an overedger thread cutting device which comprises a top plate and an overedger cutter, fixing plates are symmetrically and fixedly installed on the top plate, a rubber plate is fixedly installed between the fixing plates, a cutting groove is formed in the middle of the rubber plate, a first containing groove is formed in the opposite end of each fixing plate, and a second containing groove is formed in the opposite end of each fixing plate. According to the thread cutting device for the overlock machine, the fixing plate is arranged, the whole thread cutting device is installed on the overlock machine, the fixing plate is fixedly installed at the corresponding position of the overlock machine, when the overlock machine conducts thread cutting, the thread cutting device can be used for cutting threads, and the thread cutting device is convenient to use. The control motor can be controlled through the control equipment, the connecting plate can be driven to move up and down in a reciprocating mode, the fixing base can move up and down in the direction of the guide rod through the guide rod, meanwhile, limiting is conducted, the fixing base is prevented from being laterally deviated, and the table board has the advantages of being high in practicability and convenient to clean.

The utility model discloses a shaft and chain plate transmission structure, which belongs to the technical field of chain transmission, and comprises a driving assembly, the driving assembly is connected with a chain assembly, the chain assembly is connected with an automatic clamping assembly, and the automatic clamping assembly comprises a fixed shaft. A left bent supporting arm and a right bent supporting arm are connected to the peripheral outer wall of the fixing shaft in a rotating fit mode, the left supporting arm and the right supporting arm are correspondingly arranged, a left clamping head is fixedly arranged at the upper end of the left supporting arm, a right clamping head is fixedly arranged at the upper end of the right supporting arm, and telescopic assemblies are connected to the lower end of the left supporting arm and the lower end of the right supporting arm. The driving assembly drives the chain assembly to move, the chain assembly moves to drive the left clamping head and the right clamping head of the automatic clamping assembly to be automatically opened or closed, the process that the two ends of a string rod are manually inserted into or pulled out of bearing frame holes one by one is omitted, the operation speed is high, and operation is convenient and fast.

The utility model relates to the technical field of intelligent welding systems, in particular to a clamp quick-change guide structure which comprises a clamp guide mechanism and a trolley guide mechanism, the clamp guide mechanism comprises a trolley sliding rail arranged on a trolley and clamp sliding rails arranged on the periphery of a rotary table in the radial direction, and a Z-shaped guide notch is formed in the free end of each clamp sliding rail. Each clamp is provided with two clamp sliding rails, the guide notches in the two clamp sliding rails are symmetrically arranged, the free end of the trolley sliding rail is provided with a Z-shaped butt joint notch, and the butt joint notch is used for being matched with the guide notches to achieve butt joint of the trolley sliding rail and the clamp sliding rails. Rollers are rotatably arranged at the bottoms of the two sides of the clamp and can roll on the top faces of the clamp sliding rail and the trolley sliding rail, deviation preventing wheels are rotatably arranged on the two sides of the rollers, and the deviation preventing wheels can roll on the side faces of the clamp sliding rail and the trolley sliding rail. The utility model can solve the problem of stable movement of the clamp.

The invention discloses a yarn tension device for a high-speed warp knitting machine, and relates to the technical field of yarn tension; in order to solve the problem of yarn slippage; specifically comprises a fixed frame, the top center outer walls of the two fixed frames are both provided with a rotating hole, and the inner walls of the two rotating holes are both plugged with a rotating shaft, one end of the two rotating shafts are both sleeved with a wire wheel, and the outer walls of the opposite ends of the two wire wheels are both sleeved with a limiting disk, a fixed plate is welded on the top outer wall of one limiting disk, the opposite ends of the two rotating shafts are both fixed with the same connecting column by threads, the outer walls of the opposite sides of the two limiting disks are both welded with the same telescopic spring, and the telescopic spring is sleeved on the circumference of the connecting column, and the outer walls of the two limiting disks on both sides of the connecting column are both fixed with telescopic plates by bolts. The invention effectively tensions the yarn, and also avoids the problem of machine damage caused by yarn disorder, facilitates the maintenance and replacement of the overall device, and improves the service life of the overall device.

The utility model relates to the technical field of bending machines, and particularly discloses a pressurizing device of a downward moving type bending machine, which comprises a lower template arranged on the surface of a bending machine main body, a hydraulic lifting rod and a support frame arranged on the side surface of the bending machine main body, an upper template arranged at the bottom of the support frame, and a support seat screwed on the surface of a moving screw rod, an electric push rod is arranged on the surface of the supporting seat, a pressurizing plate is arranged below the electric push rod, and a driving motor is arranged at one end of the supporting frame; the device has the beneficial effects that the liftable hidden pressurizing mechanism is arranged in the supporting frame, the pressurizing mechanism moves in the supporting frame through rotation of the movable screw rod, the position detection module can detect the position of a workpiece, and therefore a pressurizing plate can be moved to the middle of the workpiece before the workpiece is bent, accurate positioning can be achieved, and the working efficiency is improved. Lateral deviation of the pressurizing structure caused by different sizes and placement positions of workpieces during middle pressurizing is avoided, middle pressurizing is adopted for the workpieces during bending of the workpieces, accordingly, middle deformation of products is prevented, and product machining with good precision is achieved.

The utility model relates to the technical field of intelligent welding systems, in particular to a machining device suitable for multi-vehicle-type fixture switching, which comprises a rotary table, a trolley, a trolley guide mechanism, a trolley positioning mechanism, a fixture guide mechanism and a fixture positioning mechanism, the clamp guide mechanism comprises a trolley sliding rail and clamp sliding rails arranged on the periphery of the rotary table in the radial direction, Z-shaped guide notches are formed in the free ends of the clamp sliding rails, each clamp is provided with two clamp sliding rails, the guide notches in the two clamp sliding rails are symmetrically arranged, and Z-shaped butt joint notches are formed in the free ends of the trolley sliding rails. The butt joint notch is used for being matched with the guide notch to achieve butt joint of the trolley sliding rail and the clamp sliding rail; rollers are rotationally arranged at the bottoms of the two sides of the clamp, and anti-deviation wheels are rotationally arranged on the two sides of the rollers. The automobile machining device solves the problem that an existing automobile machining device is troublesome to operate when clamps are switched.

The utility model belongs to the technical field of bush machining, and particularly relates to bush cutting equipment which comprises a box. The interior of the box body is slidably connected with a movable clamping table. The surface of the movable clamping table is rotationally connected with an adjusting sleeve. By arranging the movable clamping table and arranging the adjusting sleeve and the adjusting lead screw on the movable clamping table, the limiting clamping block is driven to move, the lining can be clamped, all parts of the lining can be clamped after the movable clamping table moves, and therefore it can be guaranteed that the lining is fully machined and waste of materials is reduced only through proper adjustment; meanwhile, due to clamping and fixing, lateral deviation of the shaft sleeve can be avoided during machining, in addition, the spray head can move along with the movable clamping table, water is sprayed to the cutting face for cooling all the time, and therefore the cutting tool bit and the cutting face of the lining cannot deform due to heating during machining, and the machining precision is guaranteed.

This utility model relates to the field of power transmission equipment technology, specifically to a clamp device for spacers and a phase-to-phase spacer assembly. The device includes a clamp body and a pressure cap. One end of the clamp body is used to connect to the spacer; one end of the pressure cap is rotatably mounted on the clamp body, forming two clamping plates. A wire hole for holding the wire is provided between the pressure cap and the clamp body. A locking part is provided at the other end of the pressure cap. The clamp body has a sliding groove, within which a locking pin slides. When the locking pin slides to the end of the groove near the pressure cap, it abuts against the locking part when the pressure cap is closed, thus restricting the pressure cap from rotating open. When the locking pin slides to the other end of the groove, it disengages from the locking part. The clamp body has an elastic element, with its two ends abutting against the locking pin and the clamp body respectively. Applying external force to push the locking pin and compress the elastic element allows the pressure cap to be opened and the power transmission wire inserted. After closing the pressure cap, removing the external force pushes the elastic element to push the locking pin against the locking part, preventing the pressure cap from loosening. This design is convenient to use.

The invention discloses a device and method for maintaining a load position unchanged, the device comprises lower telescopic units, a box body, a rope, a side edge steering unit, a center switching mechanism, an upper telescopic unit and a fixing clamp, the fixing clamp used for clamping the rope is installed in the middle of the bottom end of the box body, and a plurality of lower telescopic units are installed at the bottom end of the box body; a plurality of lower telescopic units are installed on the top of the box body and distributed in an array mode, a center switching mechanism is installed in the middle of the box body, a plurality of upper telescopic units are installed on the top of the box body and distributed in an array mode, and side edge steering units are installed on the two sides of the top of the box body. The device is suitable for the transmission balance test on the single crystal furnace, and is also suitable for occasions where the upper end is continuously lifted, the load weight is increased and the position is not changed, the load does not need to be designed to be equal to a crystal silicon rod in length or equal to a furnace body in diameter, and space conflicts between the load and the furnace body and between the load and an auxiliary chamber are avoided.

The utility model relates to a push plate type dumper, in particular to a dumper push plate which comprises a frame and a plate body, and the plate body is fixed on the frame. The push plate is installed in the carriage, and longitudinal top beams are arranged on the two sides of the carriage. A guide rod is arranged at the upper part of the longitudinal top beam; the frame is further connected with a guide structure, a guide hole is formed in the guide structure, and the guide rod is inserted into the guide hole. Compared with the prior art, the push plate of the dumper has the advantages that the guide rods are arranged on the upper portions of the longitudinal top beams, the guide structures are arranged on the frame of the push plate, and the guide structures slide back and forth in the guide rods, so that the guide effect on the push plate is achieved, the push plate keeps a certain angle to move back and forth on a certain track, and lateral deviation or vertical movement of the push plate is avoided.

This invention relates to a strength testing device and method for the production of recycled antibacterial bottles, and belongs to the field of antibacterial bottle strength testing technology. It includes a testing platform, a pressing seat, and a locking seat. The pressing seat is slidably disposed on the surface of the testing platform. A pressure plate is installed at the bottom end of the pressing seat. A limit plate is disposed inside the pressing seat. A sliding column is slidably disposed inside the limit plate. A leveling component is disposed on the surface of the limit plate. A floating seat is disposed at the end of the sliding column. A fixed seat is fixed to the surface of the floating seat. A clamping component is disposed on the surface of the fixed seat. A locking seat is installed on the surface of the pressing seat. This invention, through the configured pressing seat, locking seat, pressure plate, floating seat, and leveling component, allows the floating seat, in conjunction with the leveling component, to rotate freely when placing recycled antibacterial bottles. This adapts to molding errors such as uneven bottle bottoms and inherent bottle tilt, automatically correcting the verticality of the bottle body without manual calibration, improving positioning accuracy, and simplifying operation steps.

The utility model provides a positioning framework of a vertical prestressed steel beam, which comprises a plurality of steel beam bodies, base plates and extrusion type anchor heads, and further comprises a positioning piece buckled on the plurality of steel beam bodies and used for positioning the plurality of steel beam bodies, the positioning hoop is arranged at the opening end of the positioning piece and used for fixing the steel beam bodies in the positioning piece, the two ends of the positioning hoop are bent towards the side face of the positioning piece to form a positioning part and bent parts located at the two ends of the positioning part, the bent parts are connected with the side face of the positioning piece, and the positioning part abuts against the steel beam bodies. Machining of the positioning piece and the positioning hoop and installation of the steel bundle body can be conducted on the ground at the same time, hoisting can be conducted after installation is completed, construction can be faster, the human input cost can be reduced, the steel consumption can be greatly reduced in terms of consumable items, cost is reduced, meanwhile, the situation that operators work at high places is reduced, and the construction efficiency is improved. And the safety risk is reduced.

The invention provides a gantry ram double-balance and double-drive direct-push type driving structure, and relates to the technical field of gantry rams, the gantry ram double-balance and double-drive direct-push type driving structure comprises a sliding rail fixing headstock, a movable sliding seat set and a lead screw calibration assembly, a sliding seat rail is fixedly installed at the lower end of the sliding rail fixing headstock, and the movable sliding seat set is arranged on the sliding seat rail in a sliding mode; the lead screw calibration assembly is fixedly installed at the lower end of the sliding seat rail. The lead screw motor provides power to drive the movable sliding base set to slide on the sliding base rail, the two sides of the movable sliding base set are balanced through the balance hydraulic cylinders on the two sides when the movable sliding base set slides, lateral deviation is prevented, gaps and frame amount between screw threads can be eliminated through the lead screw calibration assembly at the lower end of the sliding base rail during reverse driving switching, and the machining precision is improved. And then driving is carried out, so that errors generated by servo motor control during movement can be eliminated.

The utility model discloses a circuit board test fixture, which belongs to the field of circuit boards, and comprises a square supporting box, the left side surface of the square supporting box is fixedly connected with a square box, the inner bottom wall of the square box is fixedly connected with a driving motor, and the inner wall of the square supporting box is fixedly connected with two circular supporting rods. The outer surfaces of the two circular supporting rods are jointly connected with a sliding supporting piece in a sliding mode, two transmission supporting columns are fixedly connected to the upper surface of the sliding supporting piece, and the top end of each transmission supporting column penetrates through the supporting square box and extends to the position above the supporting square box. Through cooperative use of a circular supporting rod, a transmission supporting column, a sliding supporting piece, a threaded lead screw and a threaded ring, the threaded lead screw can rotate to drive a connecting piece, the sliding supporting piece and the transmission supporting column to move left and right, then a pressed circuit board can be driven to move, the circuit board is prevented from being damaged, and the protection effect on the circuit board is improved; and the effect of moving to different positions for testing is achieved.

The utility model relates to a guiding traction rod which comprises a fixing frame, and a telescopic frame sliding front and back is arranged in a hollow cavity of the fixing frame. A guide rail and a guide block are arranged between the telescopic frame and the fixed frame, and the guide block slides back and forth in the guide rail. According to the guide traction rod, the telescopic frame slides back and forth in the hollow cavity of the fixed frame, in order to avoid lateral deviation of the telescopic frame and keep the relative positions of the telescopic frame and the fixed frame in the transverse direction, the guide rail and the guide block are arranged between the telescopic frame and the fixed frame, and the telescopic frame slides back and forth in the fixed frame in the fixed direction through the guide rail and the guide block; lateral deviation of the telescopic frame can be avoided, and damage to the fixing frame by lateral force of the telescopic frame is avoided.

The invention provides massage treatment equipment for breast surgery and a use method, and the treatment equipment comprises a hemispherical cover which is provided with a containing cavity and comprises a hemispherical cover body and a telescopic pipe; the first supporting ring is arranged at the end, away from the hemispherical cover, of the telescopic pipe, and a first negative pressure structure used for being fixed to the skin surface is arranged at the bottom of the first supporting ring; the electric adjusting mechanism is arranged between the opening end of the hemispherical cover and the first supporting ring and used for adjusting the height of the hemispherical cover; the massage mechanism is arranged on the inner wall of the hemispherical cover and used for massaging the mammary gland; the massage device comprises a massage head, a first pressure detector is arranged on the massage head, and the first pressure detector is in communication connection with an electric adjusting mechanism; the second negative pressure structure is arranged at the top of the hemispherical cover, extends into the accommodating cavity and is used for adsorbing and supporting the nipple; massage pressure can be adjusted according to differences of patients, mammary glands of the patients can be positioned, and the massage effect is ensured.

The utility model discloses a U-shaped pillow, including lower pillow body and upper pillow body, the lower pillow body is air bag pillow, be equipped with gas control part on the air bag pillow, the upper pillow body supports on the lower pillow body, and the upper pillow body is the flexible pillow made of flexible material. This U-shaped pillow adopts split type structure, and the lower pillow body adopts the air bag pillow of inflatable and is equipped with gas control part, and the upper pillow body adopts the flexible pillow made of flexible material, so that the user can inflate the lower pillow body to the appropriate height when using, thereby providing stable support effect with the upper pillow body, avoiding head deviation, protecting cervical vertebra, and when accommodating, the air bag pillow can be deflated through the gas control part, which significantly reduces the overall height and volume of the U-shaped pillow, facilitating carrying and storage. The utility model solves the problem that the support effect and portability of the existing U-shaped pillow cannot be considered due to the fixed height, realizes the improvement of portability while ensuring the support performance, and the flexible pillow can improve comfort.

This utility model discloses an auxiliary device for connecting hydraulic inspection wells during construction. It includes support plates placed in trenches on both sides of the inspection well. A movable plate is slidably connected to the inner cavity of each support plate. A locking element is provided between the movable plate and the support plate. A top plate is provided on the top of the movable plate, and an adjustment component is provided between the top plate and the movable plate. This utility model involves placing two support plates on either side of the inspection well, adjusting the height of the top plate using the adjustment component, thus adapting the height of the arc-shaped seat to the connection interface of the inspection well. Then, a connecting pipe is placed on top of the two arc-shaped seats. Pushing the connecting pipe causes friction to move the arc-shaped seats, top plate, adjustment component, and movable plate, allowing the end of the connecting pipe to extend into the interior of the inspection well. The locking element is then used to lock the movable plate in place. Finally, cement mortar is applied, thus supporting and advancing the pipeline, facilitating the connection between the pipeline and the inspection well.

The utility model relates to a racing track buffering guardrail, a guardrail body is connected with at least two guardrail supports, each guardrail support comprises a buffering connecting piece and a support body, each support body comprises a supporting baffle and side plates fixedly arranged at the left end and the right end of the supporting baffle, the bottom ends of the side plates are fixedly connected with a bottom plate, and the bottom plates are fixedly connected with the buffering connecting pieces. The two ends of the buffering connecting piece are connected with the guardrail body and the supporting baffle correspondingly, a mounting groove used for mounting the tail end of the buffering connecting piece is formed between the two side plates, and the buffering connecting piece comprises a transversely-extending spring and limiting pieces located at the two ends of the spring. Each limiting piece comprises a fixing column and a limiting disc used for limiting transverse displacement of the tail end of the corresponding spring, the fixing columns, at the front ends of the springs, of the limiting pieces are fixedly connected with the guardrail body, and the fixing columns, at the rear ends of the springs, of the limiting pieces are fixedly connected with the supporting baffles. And impact coming from all directions can be better absorbed.