326results about How to "Prevent slippage" patented technology

The utility model relates to an adjustable meat pressing feeding device and continuous slicer belonging to the technical field of meat mechanical processing, adjustable meat pressing feeding device includes supporting lower layer conveying feeding mechanism that reciprocating rotation conveys material, the upper layer material pressing conveying mechanism that reciprocating rotation conveys material is equipped with in the upper of lower layer conveying feeding mechanism, the middle part of upper layer material pressing conveying mechanism is equipped with the down -pressing mechanism, and the front end of upper layer material pressing conveying mechanism is equipped with secondary meat pressing mechanism. The utility model discloses lower layer conveying feeding mechanism and upper layer material pressing conveying mechanism cooperate and can realize continuous feeding, and greatly improve production efficiency, and when the upper layer material pressing conveying mechanism is conveying, the down -pressing mechanism can make the upper layer material pressing conveying mechanism press the top of material, prevent the material from separating, and cooperate with the secondary meat pressing mechanism arranged at the front end of the upper layer material pressing conveying mechanism, which can prevent the material from slipping off during continuous feeding, and continuous feeding is more stable, and almost no material head is left.

The utility model relates to the technical field of knotter, and disclose a fishing line knotter, including knotting pole, the knotting pole integrated moulding is composed of main rod and the side rod department of being formed in the both ends of main rod and being foldable, the end of side rod department has the end; The middle part of main rod is annular and has middle part wire slot; The end part wire slot is annular and set up on the end. This fishing line knotter, through setting up annular middle part wire slot in the middle part of main rod, and setting up annular end part wire slot in both ends end, make carbon line and PE line can be respectively in different position stable winding, and then facilitate to realize compact structure, the operation simple supplementary knotting function of easy operation.

The utility model discloses a bed sheet fixing support which comprises a bottom plate and a vertical plate, the bottom plate is hinged to the vertical plate, a T-shaped clamping strip is integrally arranged on the side face, away from the bottom plate, of the vertical plate, and a limiting sliding cover is connected to the T-shaped clamping strip in a sliding mode. The T-shaped clamping strip is in sliding fit with the limiting sliding cover, a crack with the adjustable width is formed to adapt to bed sheets with different thicknesses, the limiting teeth at the end of the limiting sliding cover are embedded into the root of the T-shaped clamping strip, the friction force between the limiting sliding cover and the bed sheets is remarkably increased, and slipping is prevented; the bottom plate and the vertical plate can be folded around the hinge shaft, so that the idle volume is greatly reduced, and storage in a drawer or a gap is facilitated.

The utility model relates to generator set auxiliary equipment technical field discloses a diesel generating set mute big cover convenient for overhauling, including cover body, the cover body top is equipped with the cover body that is composed of two symmetrical cover plates, and the cover plate is through the sliding block and the inverted T type sliding slot of cover body top sliding fit, the inner wall of cover body is equipped with buffer mechanism, and the support arm of buffer mechanism is supported through the elastic support rod, and the support arm end is equipped with gyro wheel no.

The utility model belongs to the technical field of chemical equipment, and discloses a low-temperature dangerous chemical reagent storage cabinet. A low-temperature dangerous chemical reagent storage cabinet comprises a storage cabinet body, an equipment placement cabinet, a support, a cabinet door and a reagent placement table, the storage cabinet body is in a hollow shape with an opening in one longitudinal side, and the reagent placement table can be detachably installed in the storage cabinet body; the equipment placing cabinet is arranged below the storage cabinet body in a connected mode, cooling equipment can be placed in the equipment placing cabinet, and the support is arranged below the equipment placing cabinet in a connected mode. Through cooperative work of the heat absorber and the closed-loop water cooling system, rapid cooling is achieved, the low temperature in the cavity is maintained, the cooling device is suitable for chemical reagents sensitive to the temperature, the damping device effectively absorbs vibration of the cooling device, and collision between reagent bottles caused by vibration generated when the cooling device works is avoided.

This invention relates to the field of medical auxiliary instruments, and more particularly to a hemodialysis auxiliary device for nephrology. This invention provides a hemodialysis auxiliary device for nephrology that can stably support the patient's arm on the side of the fistula and provides movable fixation for the catheter connected to the fistula puncture needle. It is flexible in use and can effectively prevent muscle spasms in the arm, thus assisting the patient in undergoing more comfortable hemodialysis treatment. The hemodialysis auxiliary device for nephrology includes a base plate, a screw, and a rotating handle; the screw is threaded to the base plate, and the rotating handle is located at the bottom end of the screw. This invention uses a round-headed top rod to limit the inclined ring, locking the height of the support ring plate and the fixed ring plate. Simultaneously, a toothed ring limits the gear, locking the swing angle of the support ring plate and the fixed ring plate. This allows the support ring plate to limit the patient's arm on the side of the fistula, assisting the patient in undergoing stable hemodialysis treatment.

The utility model discloses a kind of automobile driving simulator support devices, belong to automobile driving simulator auxiliary tool technical field.The support device includes support column, upper positioning piece, lower positioning piece and locking mechanism, wherein:upper positioning piece and lower positioning piece are U-shaped groove structure;The upper end of support column is connected with the outer bottom surface of upper positioning piece, and the bottom plate of upper positioning piece is not perpendicular to support column and is inclined to its side;The lower end of support column is connected with the outer bottom surface of lower positioning piece, and the bottom plate of lower positioning piece is perpendicular to support column;Locking mechanism is arranged on support column, for locking the cross bar in upper positioning piece;The lower edge of both side plates in lower positioning piece is equipped with limit plate, and limit plate is inclined to one side of lower positioning piece.According to the above design, the utility model can quickly support the main body of automobile driving simulator, and will not easily slip, and the supporting effect is excellent.

The utility model discloses a cable support with adjust cable length structure, length adjusting mechanism includes movable plate, and one side upper end and lower end of movable plate all are fixedly connected with guide rod, and guide rod with movable plate is perpendicular to each other in length direction, the bottom surface of guide rod is equipped with a plurality of resistance groove, and every resistance groove all equidistance arrangement along the length direction of guide rod, the outside of guide rod is slid and is sleeved with horizontal support, the bottom surface of horizontal support is close to the side of movable plate and is equipped with the mouth of passing, the top surface of horizontal support is away from the side of movable plate and is fixedly connected with stop projection, the side of movable plate is equipped with push groove, and push groove is consistent with movable plate in length direction, when horizontal support is fixed in the inside of cable well, through moving horizontal support, can support cable in the alignment position of cable pipe, avoid the cable after being straight and bending, in addition to reduce the length requirement of cable, also reduced the construction difficulty.

The utility model discloses a kind of slope protection devices using plant fibre blanket, including slope body, the surface of slope body is laid with plant fibre blanket, a plurality of positioning ring parts are equipped on the plant fibre blanket, it is connected through rigid plate between adjacent positioning ring parts, plug post is slidably inserted in the positioning ring part, and plug post is inserted into slope body;The utility model fixes plant fibre blanket on slope body by positioning ring part cooperation plug post, and the integrity of plant fibre blanket is guaranteed by connecting positioning ring part together through rigid plate, form collaborative protection mechanism, improve the tensile strength of plant fibre blanket, plant fibre blanket is fixed stable, plant fibre blanket can avoid slipping from slope body, adapt to different slope gradient, construction is convenient, guarantee construction progress.

The utility model relates to the technical field of stainless steel water pipes, in particular to a combined connection type stainless steel water pipe. According to the technical scheme, the stainless steel water pipe comprises a stainless steel water pipe body and a combined connecting ring, annular connecting inserting grooves are formed in the positions, close to the edges, of the upper surface and the lower surface of the combined connecting ring, and the ends of the stainless steel water pipe body are located in the annular connecting inserting grooves; a plurality of threaded holes are formed in the positions, close to the upper surface and the lower surface, of the outer surface of the combined connecting ring in an annular array at equal intervals, fixing screws are movably inserted into the threaded holes, and a drill bit is fixedly connected to one ends of the fixing screws through fixing connecting rods. The stainless steel water pipe connector facilitates quick connection of stainless steel water pipes, improves working efficiency, facilitates follow-up disassembly, and also improves scene applicability.

This utility model discloses a foaming mold transfer bracket, specifically relating to the field of bracket technology. It includes a frame and a handle. The handle is fixedly connected to the rear side of the frame. A top platform is fixedly connected to the upper end of the frame. Symmetrically arranged on both sides of the upper end of the top platform are support boxes with openings on their upper sides. Multiple rolling columns are rotatably connected to the inner side of each support box. A distance adjustment mechanism is provided on the top platform to control and adjust the position between the two support boxes. Side baffles are fixedly connected to the ends of the two support boxes that are relatively far apart, and rear baffles are fixedly connected to the ends of the two support boxes that are closer to the handle. This utility model, based on a movable frame, uses two support boxes to support a movable foaming mold. The rolling columns reduce drag, facilitating docking and loading / unloading. The distance between the support boxes can be adjusted by the adjustment mechanism to accommodate different sizes. Limiting mechanisms, side baffles, and rear baffles prevent the foaming mold from falling off. The device is flexible and convenient, allows for fast docking, easily controls precision, is compatible with various molds, and can improve transfer efficiency.

This utility model discloses a Z-shaped friction damping column structure with enhanced seismic performance, comprising a Z-shaped friction damping column body, which includes columns on both sides and Z-shaped crossbars between the columns. The top and bottom of the Z-shaped crossbars between the columns are respectively provided with top friction damping diagonal braces and bottom friction damping crossbars. When an earthquake generates a load on the rack in the direction perpendicular to the aisle, and the axial force caused on the base and the bottom and top diagonal braces exceeds the preset friction force, the damper will begin to slide, absorbing or dissipating some of the seismic energy in the form of friction damping. This reduces the probability of damage to rack structural components and goods slippage under seismic conditions, thereby enhancing the overall seismic performance of the industrial rack.

The invention discloses a corrugated carton conveying anti-collision guide mechanism and method, and relates to the field of carton conveying equipment. An inner guide frame and an outer guide frame are located on the inner periphery and the outer periphery of a steering area of a conveying belt correspondingly, a plurality of guide wheels are arranged on the sides, facing the conveying belt, of the inner guide frame and the outer guide frame, and a measurement and control module is arranged between every two adjacent guide wheels. The side, facing the conveying belt, of the measurement and control module is provided with a distance detection module and an air hole, and an air groove and a first electric control valve are arranged in the measurement and control module. A plurality of photoelectric probes and top side air taps are arranged above the steering area of the conveying belt, and the top side air taps are in one-to-one correspondence and are provided with second electric control valves. The method comprises the steps of start standby, friction force enhancement, real-time monitoring, normal guiding, anti-collision correction, friction force recovery, system resetting and the like. According to the corrugated carton conveying device, the collision risk of edges and corners of a carton can be reduced, excessive correction during conveying of the corrugated carton is avoided, the conveying stability and efficiency are improved, and the integrity of conveying of the corrugated carton is guaranteed.

The invention relates to a high-antibacterial absorbable medical suture and a preparation method thereof, and belongs to the technical field of medical materials. According to the suture line, PPDO serves as a base material, PLGA is introduced to wrap TCS through a melt blending and spinning technology, and a TCS-coated PLGA core-shell structure antibacterial agent is prepared. A gradient degradation release system is constructed by utilizing the characteristic that PLGA is faster in degradation than PPDO, so that TCS is slowly and continuously released, and the defects of explosive release and insufficient later concentration of drugs in a traditional direct blending method are overcome. Meanwhile, the core-shell structure effectively avoids destructive pores formed in a PPDO matrix due to rapid dissolution of drugs, and greatly maintains the mechanical integrity of the matrix, so that the suture line can provide stable supporting force similar to that of a pure PPDO line in a key healing period in vivo, and the synergism and unification of long-acting antibacterial property, lasting mechanical supporting property and high operation reliability are realized.

The utility model relates to power equipment hoisting technical field, specifically is a kind of power equipment hoisting balancing device, comprising: main hoisting beam;Hoist platform, hoist platform is set in the lower of main hoisting beam;Multiple lifting lugs, multiple lifting lugs are respectively fixedly connected in the lower end of main hoisting beam and the upper end of hoist platform;Multiple steel wire ropes, clamping mechanism, the device is by motor, two-way threaded rod, slider and C type clamping plate and is composed of automatic clamping mechanism, by starting motor can drive two C type clamping plates synchronous and move towards each other, quickly, firmly and from both sides clamping power equipment placed on hoist platform, and cooperate with antiskid pad to increase friction, effectively prevent equipment from happening transverse displacement or slip in hoisting process, this automatic clamping mode not only reduces the labor intensity of worker, simplifies operation process, and clamping force is evenly reliable, greatly reduce the security risk caused by equipment loosening, ensure the smooth progress of hoisting process.

The utility model discloses an internal fistula side limb fixer for a hemodialysis patient during defecation, which comprises a first fixing plate and a second fixing plate, a plurality of fixing seats are arranged on the first fixing plate and the second fixing plate, arc-shaped limiting rings are arranged on the fixing seats, and restraint straps are arranged in the arc-shaped limiting rings; shoulder straps are arranged at one ends of the first fixing plate and the second fixing plate. When the fixator is used, an internal fistula side limb can be placed in the fixator, and internal hemorrhage caused by excessive movement of the limb is prevented; the contact surface between the inner side of the fixator and the limbs is made of breathable perforated fabric which is comfortable and skin-friendly; a restraint strap and a first hook-and-loop fastener are arranged outside the fixator, the size of the fixator can be adjusted to be proper according to the size of the arm circumference of a patient, the shoulder strap is arranged, the limb on the internal fistula side can be kept in a straightened state when the patient goes to the toilet, and a puncture needle is better protected; the second hook-and-loop fastener can prevent the puncture needle from slipping due to the fact that the puncture needle is pulled when the patient goes to the toilet.

The utility model relates to a leading mechanism for single yarn breaking strength measuring device, including the cabinet, the right side on the cabinet is provided with the swing bar that realizes up and down swing by the rotation mechanism drive, the upper end rear side of swing bar is fixed with the connecting rod perpendicularly, the cantilever end of connecting rod is fixed with the micro electric push rod of being located at the front side of cabinet perpendicularly laterally, the telescopic rod of micro electric push rod is sheathed with the fixed clamping block fixed with the shell of micro electric push rod, the telescopic rod of micro electric push rod is fixed with the movable clamping block that is used for clamping yarn with fixed clamping block cooperation. This leading mechanism compact structure, the yarn is clamped and taken to the yarn leading, avoids the yarn to slip, guarantees the clamping effect.

The utility model relates to the technical field of coiling plate, and an embodiment of the utility model provides a coiling plate device for ship steel structure processing, it includes base, the side surface of base is provided with controller, the side surface of base is provided with limit anti -skid shift subassembly, limit anti -skid shift subassembly includes transmission roll no.

The utility model relates to the technical field of cleaning machines, in particular to a cleaning area width adjusting device for an environmental sanitation cleaning machine, which comprises a U-shaped mounting frame, a first width adjusting assembly and a second width adjusting assembly, sliding grooves are formed in the two sides of the interior of the U-shaped mounting frame, main cleaning brushes are uniformly mounted on the two sides of the bottom of the U-shaped mounting frame, and the main cleaning brushes are connected with the first width adjusting assembly and the second width adjusting assembly. A first width adjusting assembly is arranged at one end of the U-shaped mounting frame and comprises a first servo motor, a first connecting rod, a first arc-shaped connecting plate and a first auxiliary cleaning brush. The novel sweeping area width adjusting device for the environmental sanitation sweeping machine is provided with a structure for providing driving force for the adjusting device through the servo motor, manual adjusting operation is not needed, the operation difficulty is effectively simplified, the labor intensity of sanitation workers can be reduced, and therefore the cleaning efficiency can be effectively improved.

The utility model relates to precast beam technical field, concretely relates to a precast beam hoisting equipment, the device adopts two -way screw rod drive clamping mechanism, through motor drives two -way screw rod rotation, makes the ball nut push -button movable block linear motion, realizes the synchronous centering of clamp plate, and the stable precision of guiding rod ensures the movement process, and the bump of damper effective buffering clamping of protruding piece cooperation avoids the problem that the precast beam deviates or slips because of the uneven stress of traditional hoisting equipment, and the safety and reliability of hoisting operation are greatly promoted, and the overall structure is combined to form the rigid frame through the support and beam plate, and the strength of connecting part is reinforced by the reinforcing part, and the cooperation design of the lifting plate and the rope makes the hoisting stress evenly dispersed, and the fixed base ensures the firm and reliable connecting point, and this modular design not only is convenient for on -the -spot quick assembly dismounting, but also can adapt to the hoisting demand of different specifications precast beam, and the versatility and construction efficiency of equipment are remarkably improved.

This invention discloses an anti-fog and heat-insulating puncture device for thoracoscopic surgery, belonging to the field of medical device technology. Its key technical features include: an outer sheath, with a puncture assembly on its inner wall, the puncture assembly including a puncture needle core that slides through the inner wall of the outer sheath, a needle core handle fixedly connected to the upper end of the puncture needle core, a needle tip fixedly connected to the lower end of the puncture needle core, an outer sheath seat fixedly connected to the upper outer wall of the outer sheath, a fixing handle fixedly connected to the outer wall of the outer sheath seat, and a sealing assembly on the outer wall of the outer sheath seat. This invention achieves heat insulation through a double-layer structure formed by the outer and inner sheaths; gas circulation is formed through the cooperation of the air inlet and outlet holes, effectively expelling fog from the inner wall of the inner sheath and ensuring a clear surgical field; the sealing valve and sealing sleeve achieve internal sealing of the outer sheath to prevent gas leakage; the sealing ring is precisely positioned by positioning pins and positioning holes, and the sealing cap is stably installed by locking blocks and protruding pins, providing double sealing to prevent gas leakage and impurity entry, reducing the risk of infection.

The utility model provides a kind of wind collecting nozzle with straightening function, including the wind nozzle body for being connected at the hot air outlet of hair dryer, the wind nozzle body has the air guide channel for guiding the hot air of hair dryer, and the air outlet is communicated with air guide channel, the wind nozzle body is connected with the hair clip assembly that it air outlet is covered, the hair clip assembly includes the hair clip seat for being connected at the air outlet of wind nozzle body, the hair clip seat is connected on the air outlet of wind nozzle body and is equipped with the first air outlet for being communicated with air guide channel communication, the hair clip seat rotatably connected with the hair clip cover that can be folded on hair clip seat and then hold hair, the second air outlet for hot air outlet is equipped on the hair clip cover, and the utility model aims at overcoming the deficiency of prior art, to provide a kind of wind collecting nozzle with straightening function, more convenient to use, more suitable.

The utility model relates to a kind of scroll machine partition plate processing device, including base, drill and fixture being set on base, the drill includes the drill body with drill head and the cylinder for driving drill body vertical movement, the fixture includes the horizontal slide rail being set on base upper end, two opposite clamps are slidably arranged on the horizontal slide rail, two the clamps are respectively hinged with a connecting rod, two the connecting rod far from the end of clamp is hinged on a moving block, the moving block is slidably connected with base. Through the cylinder in drill driving drill body vertical movement, it can accurately process air hole and one-way valve mounting hole on partition plate, and utilize the structure of vertical rod and inclined chute, moving block is moved simultaneously by driving, two clamps on horizontal slide rail are synchronously moved towards by the action of connecting rod driving, so that clamp can be driven under the driving of cylinder to realize the action of clamping drilling and loosening reset, improve the automation and processing efficiency of device.

The utility model discloses a gearbox housing snatchs the grab hand belongs to gearbox production technical field. The device includes hoisting subassembly, and hoisting subassembly output is provided with the hoisting plate, and the front clamping plate is fixedly arranged in the hoisting plate front side, and the back clamping plate that cooperates with the front clamping plate is movably connected to the hoisting plate rear end, and the hoisting plate is provided with the clamping mechanism that is used for driving the back clamping plate bottom to draw close to the front clamping plate to hold the gearbox housing for cooperation, and the vertical vibration motor that is used for generating the up and down direction vibration is fixedly arranged on the front clamping plate top. The utility model discloses when using, and the vertical vibration motor is with 200 300Hz high frequency micro amplitude vibration direct action on the shell joint surface, and only needs 5 seconds to make the up and down shell body and internal component accurate adhesion, and the efficiency is improved. The first, second cooperation piece of rubber material guarantees friction force and prevents slipping, and also avoids shell surface damage, and the vibration energy is evenly transmitted through the contact surface simultaneously, thereby improve the overall assembly efficiency.

The utility model provides a steel structure bridge body exempts from welding lamp installation support, include: clamping base, lamp installation arm and locking assembly, lamp installation arm and locking assembly are installed respectively in both ends of clamping base, lamp installation arm is used to install the lamp, locking assembly is used for with clamping base detachable fixed on bridge body steel structure, the utility model provides a steel structure bridge body exempts from welding lamp installation support, exempts from welding, detachable installation of lamp through locking structure realizes, and installation is convenient and efficient, can adjust lamp installation position and irradiation angle flexibly, and have good antiskid, anticorrosive performance and cable protection measure, effectively adapt bridge working condition, ensure lamp installation solid and reliable, prolong the life, reduce maintenance cost, the convenience, flexibility and reliability of lamp installation have been improved comprehensively.

The utility model discloses a kind of obstetric flushers, including liquid storage tank, connecting pipe, extension piece, direction-changing arm and spray head, liquid storage tank includes the tank body for storing cleaning fluid and is set to the pressing portion of tank body tail end, pressing portion is corrugated structure, with good elasticity and resilience, tank body opening end is connected connecting pipe and extension piece in turn by thread, extension piece one end is equipped with rotatable direction-changing arm, direction-changing arm one end is equipped with locating head and input hole, the other end is connected with spray head, liquid can be in palm pressing pressing portion after via passage and input hole into direction-changing arm and from spray head to spray to realize flushing function, the extension piece outside is provided with accommodating groove for folding storage direction-changing arm, connecting pipe outside is equipped with antiskid structure to facilitate operation, structure design is reasonable, connection is stable, spray direction is adjustable and convenient to store.

The utility model relates to cutting auxiliary device technical field especially, more particularly to a quartz stone plate special-shaped curve cutting follow -up pressure device, include: cutting assembly, assemble in mobile arm, be used for cutting quartz stone plate, its by processing seat and mobile arm set cutting assembly's movement track, pressure assembly, assemble in cutting assembly, be used for to the dynamic pressure of implementing to quartz stone plate to the utility model discloses setting up pressure assembly follow -up synchronous displacement with cutting assembly, utilize the ball and realize the rolling contact with quartz stone plate, and ensure reset spring sustained force, and then realize the dynamic pressure of to quartz stone plate, avoid cutting knife and quartz stone plate to slip or relative quartz stone plate displacement, guarantee cutting track accuracy.

The utility model relates to the technical field of mechanical production, and discloses a hoisting assembly device for mechanical production, which comprises a connecting support plate, a second cylinder and a clamping component, the bottom of the connecting support plate is fixedly connected with a support stand column for supporting the device, and the bottom of the support stand column is fixedly connected with a mounting support plate for adjusting and supporting the device. The clamping assembly is provided with a limiting extrusion pad which is used for preventing a clamped object from sliding. A second air cylinder is arranged to drive a first pneumatic telescopic rod to push an adjusting support to drive a connecting support on a fixed adjusting shaft, so that a fixed limiting plate extrudes and fixes mechanical parts, the mechanical parts of different sizes and types can be fixed, clamping fixtures do not need to be frequently replaced, the time for shutdown is shortened, and the working efficiency is improved. The use efficiency of the device is improved, the phenomenon that the workpiece slips off in the hoisting process due to non-uniform pressure distribution of a contact surface when the size of the clamp is not matched with that of the workpiece is prevented, and the potential safety hazard is reduced.

The utility model discloses a kind of circular knife saw edge sealing packaging machines;Belong to knife saw edge sealing technical field;Its technical key points include workbench, the position of workbench top near left side is rotationally connected with pivot, the bottom end of pivot extends to the bottom of workbench and is connected with driving unit, the top end of pivot is fixedly connected with the support disc of coaxial arrangement.This utility model is by being provided with four with bidirectional screw as center annular array distribution's arc bracing plate, cooperate with the lifting seat and push-pull rod of bidirectional screw drive, the opening amplitude of arc bracing plate can be flexibly adjusted, to adapt to the circular knife saw of different inner hole diameter, effectively solve the problem that knife saw is easily deviated when rotating due to the fixed diameter of thread rod of existing equipment, ensure that knife saw is stable without shaking in edge sealing process, significantly improve edge sealing position precision and edge sealing effect, simultaneously avoid the additional wear of equipment caused by deviation, prolong the service life of equipment, reduce production cost.

The application discloses a portable adjustable pipe supporting and carrying trolley, and belongs to the technical field of carrying trolleys. The trolley comprises a trolley frame, two running wheels and a gripping handle. The two running wheels are respectively arranged on the two sides of the trolley frame. The gripping handle is arranged on the middle part of the trolley frame. An extension part is fixedly arranged on the top of the trolley frame. A center rod is fixedly arranged on the top of the extension part. Pipe tongs are rotatably connected to the two ends of the center rod. A working cavity is arranged between the center rod and the extension part. A rotating handle is movably arranged on the side wall of the extension part. A placing groove is arranged on the side wall of the extension part. A rotating mechanism for driving the two pipe tongs is arranged in the working cavity. The pipe tongs clamping and the trolley carrying are combined, portable clamping and carrying of pipes with different diameters are realized, the labor intensity is effectively reduced, and the pipe carrying efficiency and safety are improved.