276results about How to "Improve shock absorption" patented technology

The application relates to the field of assembly building technology and discloses an assembled sound insulation and shock absorption laminated floor slab, which comprises a pouring plate, the outer part of the pouring plate is provided with a cladding structure, the cladding structure comprises a main frame, a side stop, an upper stop rod and a connecting groove, the two upper stop rods are fixedly installed on the side stop, the upper stop rod can be detachably connected with the main frame and forms a box body structure to cladding the pouring plate, a connecting groove is arranged on one side of the main frame, and a protrusion is fixedly arranged on the other side of the main frame; and a cushion block assembly, the pouring plate is assembled with the main frame, the side stop and the upper stop rod at a construction site after being prefabricated in a factory, the modular design makes the components separable for transportation, the size and weight of a transportation unit are greatly reduced, the transportation cost and hoisting difficulty are reduced, the on-site assembly is flexible, the size deviation of the actual installation position can be fine-tuned, and the adaptability is high.

The utility model relates to a flexible flame-retardant indoor photoelectric composite cable with a multilayer composite compression-resistant structure, which comprises a central supporting unit, a cable core assembly, a composite reinforcing layer, a flame-retardant layer and an outer sheath which are sequentially arranged from inside to outside, the adjacent elastic rods are bonded through hot melting to form a 90-degree orthogonal supporting structure, the cable core assembly comprises optical fiber units and power conductors which are symmetrically distributed in four quadrants of a central supporting unit, one optical fiber unit and one power conductor are arranged in each quadrant, and the four macromolecule elastic rods arranged in a cross shape form a supporting framework. A stable internal supporting structure is provided for the whole optical cable, it is ensured that the optical cable structure is not prone to deformation in a complex environment, the section of the macromolecule elastic rod is fan-shaped, the containing groove is filled with thixotropic silica gel, the buffering and damping effect is further enhanced, internal assemblies can be better protected, and the optical cable is suitable for different installation and use environments.

The utility model provides a rotary adsorption type mirror structure which comprises a shell, a lens and an adsorption assembly, the lens and the adsorption assembly are oppositely connected to the shell, the bottom wall of the shell protrudes towards one side to form an installation base, the top wall of the installation base is concavely provided with an installation groove, the side wall of the installation base is provided with an installation opening, and the installation opening is communicated with the installation groove. A guide slope obliquely extends from one end to the other end of the edge of the mounting opening, and a clamping groove is formed in the top end of the guide slope; the lens is buckled and fixed on the mounting groove through a fixing sheet; the adsorption assembly comprises a sealing membrane and a base piece which are fixedly connected, the sealing membrane can cover the outer side of the shell, the base piece is rotationally connected into the installation base, a spring is connected between the base piece and the installation base, and the base piece is provided with a clamping block corresponding to the installation opening in a protruding mode. And the clamping block can move along the guide slope to be buckled and fixed with the clamping groove. The mirror structure is convenient to mount and operate and smooth to use, and has a good damping effect and a firm connecting structure.

The utility model discloses a kind of viscous damping wall devices for bridge, belong to damping equipment technical field, comprising: movable member is movably inserted in damping wall, damping cavity is provided in the damping wall, damping liquid is provided in the damping cavity, the movable member sliding connection with damping cavity can be with damping liquid and shear motion occurs, the movable member includes the fixed connection of fixed part with bridge superstructure, the fixed part bottom end sliding connection has the plugboard connecting piece that can be along bridge transverse sliding, plugboard connecting piece is fixedly connected with plugboard, the plugboard sliding connection is in damping cavity.The utility model is converted into heat energy dissipation by the internal friction effect between fluid molecules, and the mechanical vibration energy of structure is continuously converted into heat energy dissipation, to effectively reduce the dynamic response of structure.

The utility model discloses an unmanned aerial vehicle-mounted radar hanger structure with a damping function, which relates to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a base net rack and a pull net rack. The base net rack is connected to the bottom surface of the unmanned aerial vehicle body through bolts, and the lower part of the base net rack is provided with a sunken upper mounting groove; the pull net rack is arranged below the base net rack, the edge of the pull net rack is connected with the base net rack through a plurality of elastic connecting pieces, the upper portion of the pull net rack is provided with a sunken lower installation groove, and the lower installation groove corresponds to the upper installation groove and is used for being connected with the airborne radar in a clamped mode. Through the elastic connecting pieces between the base net rack and the towing net rack and the elastic supporting pieces on the towing net rack, vibration and impact generated in the flying process of the unmanned aerial vehicle can be effectively absorbed and buffered, precise equipment such as airborne radar can be protected, the performance of the unmanned aerial vehicle is improved, and the service life of the unmanned aerial vehicle is prolonged.

The utility model discloses a kind of damping device of unmanned plane rotating shaft, it is related to unmanned plane technical field, including: unmanned plane body and damping protection piece, unmanned plane body has rotor support, the end of rotor support is equipped with rotor drive structure, the end of rotor support is located below rotor drive structure and is equipped with through mounting hole;Damping protection piece is connected in the outside of rotor drive structure by mounting rod through mounting hole, the connecting place of mounting rod and mounting hole has elastic damping part, the outside of mounting rod is formed with damping and protection structure.The utility model sets up mounting hole by being arranged at the end of rotor support, connects damping protection piece in the outside of rotor drive structure, and sets up elastic damping part at the connecting place of mounting rod and mounting hole, can effectively buffer the vibration and impact of rotor rotating shaft, improve the flight stability and reliability of unmanned plane under complex environment.

The utility model provides a sound insulation device convenient to disassemble and assemble, which relates to the technical field of sound insulation accessories and comprises an installation piece and an elastic rubber strip, the installation piece is detachably and fixedly arranged in a clamping groove of a movable plate, a cavity is arranged in the middle of the installation piece, and an installation notch is arranged on one side of the cavity close to a baffle plate. And one end of the elastic rubber strip is detachably arranged in the cavity through the mounting notch, and the other end of the elastic rubber strip extends to the outer side of the cavity and is used for abutting against the baffle plate. The elastic rubber strip can move back and forth in the mounting piece, the cavity in the mounting piece can provide air resistance when the elastic rubber strip moves backwards, and the impact between the elastic rubber strip and the mounting piece during large-force closing is reduced. The structure is simple, the elastic rubber strip can be replaced by dismounting the mounting piece, and the operation is convenient.

The utility model discloses a robot foot sole, a robot leg and a robot. The foot sole comprises a foot sole supporting piece, a foot sole mounting piece and an elastic piece. The plantar supporting piece comprises a plantar supporting outer surface far away from one side of the robot and a plantar supporting inner surface close to one side of the robot, and a plantar supporting mounting part is arranged on the plantar supporting inner surface; the plantar mounting piece is detachably connected with the plantar supporting mounting part; the elastic piece is arranged in the sole supporting piece; the foot sole mounting piece is detachably connected with the foot sole supporting mounting part, so that the foot sole supporting piece is convenient to disassemble and assemble, the operation time is greatly shortened, and the maintenance efficiency is greatly improved; the elastic piece is arranged in the sole supporting piece, the mechanical damping function is achieved, the sole supporting piece can be made of a hard material, then the abrasion resistance of the sole supporting piece is improved, meanwhile, it is guaranteed that the sole has the good buffering performance through the arrangement of the elastic piece, and the selection contradiction problem of damping performance and durability in a traditional structure is solved.

The utility model discloses a radiator damping device, including base and carrier plate, the inside of base is provided with inner chamber, and the top of inner chamber is provided with the carrier plate for the placement of radiator, and the inside both sides below of inner chamber are installed and are used for radiator damping buffer damping component, the utility model discloses the synergistic cooperation of setting base, connecting plate, connecting block, connecting groove, placement seat, spring, damper, support plate, clamping plate, clamping groove, support seat, mounting block, installation groove and rubber pillar etc.

This utility model provides a seat cushion structure and a shared vehicle, relating to the field of vehicle technology. The seat cushion structure includes a seat cushion assembly, a suspension, a shock absorber assembly, and an elastic protective structure. The suspension is connected to the seat cushion assembly; the shock absorber assembly is disposed between the seat cushion assembly and the suspension; and the elastic protective structure is sleeved on the shock absorber assembly. This utility model, through the cooperation of the seat cushion assembly, suspension, shock absorber assembly, and elastic protective structure, not only improves the shock absorption effect and enhances user comfort but also reduces the safety risks associated with exposed shock absorber components, resulting in better safety during use.

The light-weight storage cage with the anti-collision mechanism comprises a cage body, fixing seats are fixedly installed at the rear ends of the two sides of the cage body, buffer grooves are formed in the fixing seats, buffer springs are fixedly installed in the buffer grooves, side baffles are fixedly installed at the outer ends of the buffer springs, and the side baffles are fixedly installed at the outer ends of the side baffles. Second rubber pads are fixedly mounted at the front ends of the inner sides of the side baffles. According to the anti-collision storage cage, the buffer springs, the side baffles, the first rubber pads, the second rubber pads, the corner anti-collision clamping frames, the supporting springs, the anti-collision plates, the buffer protection pads and other anti-collision structures are arranged, the storage cage can be protected from multiple angles, the influence of collision on the storage cage and internal objects is effectively reduced, the anti-collision performance of the storage cage is improved, and the service life of the storage cage is prolonged. On the premise that the anti-collision performance is guaranteed, the lightweight design is adopted, the weight of the storage cage is reduced, carrying and moving are convenient, the carrying cost is reduced, and meanwhile damage to facilities such as the warehouse ground is reduced.

The utility model relates to a damping device for tower crane, include: lower casing (1), slide and connect on the slide plate (3) of lower casing (1) on, the slide plate (3) top is connected with upper pressing plate (4), upper pressing plate (4) lower part elasticity is connected with lower spring groove (7), the lower casing (1) lower part is provided with support platform (102), support platform (102) has conical support surface, lower spring groove (7) bottom is provided with conical pressure surface, and the conical support surface and conical pressure surface between be provided with damping ring (8), damping ring (8) is including multistage rubber damping mechanism that sets gradually, rubber damping mechanism all include first rubber ring (801) and first metal sheet (802) that set up, wherein first metal sheet (802) on interval be provided with a plurality of baffle that protrude into first rubber ring (801) inside, this device can effectively reduce the vibration of tower crane cab.

The utility model discloses a denitration agent blanking anti-blocking device of dry denitration equipment, which belongs to the field of dry denitration equipment, and comprises a stabilizing component and a stirring component, the stabilizing component comprises a stirring tank, the lower end of the stirring tank is fixedly connected with a blanking pipe, the lower end of the stirring tank is detachably provided with a plurality of dampers, and the dampers are fixedly connected with the blanking pipe. The side surfaces of the multiple dampers are all sleeved with buffer springs, the side surface of the stirring tank is fixedly connected with three supporting legs, the lower ends of the three supporting legs are all fixedly connected with stabilizing discs, a screen is installed in the upper end of the stirring tank, and the stirring assembly comprises a spiral conveying roller installed in the discharging pipe. According to the anti-blocking device disclosed by the utility model, the stabilizing assembly is matched with the stirring assembly, so that a stirring structure and a spiral conveying roller can be simultaneously driven to rotate through a single servo motor, the practicability of the anti-blocking device is remarkably improved, and meanwhile, the stability of the stirring tank in use is also conveniently improved through mutual matching of the structures; and the practicability of the anti-blocking device can be enhanced.

The invention relates to the technical field of earthquake resistance of bridge engineering, and particularly discloses a railway beam bridge damping system based on metal damper coordination and a design method.The railway beam bridge damping system adopts direct displacement design based on equivalent linearization and comprises the steps that firstly, shock insulation displacement and an initial equivalent damping ratio are set as design parameters; the design displacement target is achieved within the reasonable range of the two parameters, accurate calculation can be conducted according to specific structural requirements, blind accumulation only based on the number of existing dampers in previous design is avoided, and design pertinence and scientificity are effectively improved. On the premise that different metal dampers are combined, the independent design of the equivalent damping ratio and the equivalent rigidity is achieved, the flexibility of the damping design is improved, the damping design of a common railway beam bridge is optimized, and the cost of the damping device is reduced.

The utility model discloses a kind of shock-absorbing martial arts training pile, it is related to martial arts training instrument technical field, including pile body, pile hand and pile leg, the bottom of pile body is provided with rubber pad, the number of rubber pad is four groups, four groups rubber pad enclose circle, the bottom outer wall of four groups rubber pad is all set up with butt joint hole, the inside of butt joint hole is clamped with butt joint block, butt joint block and butt joint hole cross section are regular hexagon, the end of butt joint block away from butt joint hole is fixedly connected with clamping seat, the top of rubber pad is provided with buffer assembly and be used for the locking assembly of the fixed pile body, the utility model can play good shock-absorbing effect in the process that people hit training pile, avoid the situation that fixed bolt appears loosening in the process that wooden dummy is used for a long time, guarantee the stability in the process that training pile is used for a long time.

The utility model relates to the technical field of bridge construction, and discloses a crossing movable platform attached to a high-altitude bridge, which comprises a space structure body, the top end of the space structure body is fixedly connected with the bottom surface of the bridge, and the space structure body comprises a plurality of polygonal annular frames; each polygonal annular frame comprises a polygonal bottom frame and vertical supporting frames distributed in the circumferential direction of the bottom frame. The multiple polygonal annular frames are sequentially arranged in the length direction of the bridge. The anti-falling net is arranged on the bottom surface and the circumferential direction of the space structure body in a tensioning manner; the climbing entertainment device is located in the space structure body and attached to the space structure body; the corners of the bottom frames of every two adjacent polygonal annular frames are aligned at the top points and connected through circumferential dampers used for consuming horizontal vibration, and metal dampers used for consuming vertical vibration are arranged between the top of the space structure body and the bridge. The technical problems that an ultra-long movable platform attached to a high-altitude bridge is greatly influenced by wind shock, and the sense of safety of tourists is low are solved.

The utility model relates to the technical field of aircraft landing gears, in particular to a damping mechanism for a main landing gear of a light aircraft, which comprises a landing gear, aircraft wheels, a connecting rod, a vertical damper and the like. The undercarriage is composed of two supporting frames in bilateral symmetry, the left supporting frame and the right supporting frame are in transverse sliding connection through a middle sliding rail, vertical shock absorbers are symmetrically arranged in the rear side of the undercarriage, and each vertical shock absorber is composed of a fixed end, a movable end and a spring. After the airplane wheels are in contact with the ground, pressure is applied to the vertical shock absorbers through the connecting rods, springs of the vertical shock absorbers deform, meanwhile, the connecting rods rotate, accordingly, the oblique shock absorbers are driven to move downwards through the kidney-shaped grooves, springs of the oblique shock absorbers deform, and therefore the airplane wheels are driven to move downwards. Through cooperation of the vertical shock absorbers and the inclined shock absorbers, vertical force and inclined force generated when an aircraft slides can be effectively decomposed and absorbed, the shock absorption effect is optimized, the stability of the undercarriage is improved, and the stable posture of the aircraft on the ground is ensured.

The application provides a quick-release type shock absorber mounting structure for a jacking machine, and belongs to the technical field of building construction. The jacking machine is fixedly provided with a connecting box at one end. A fixing assembly is slidably attached to the inner wall of the connecting box, and is used for fixing the jacking machine and a shock absorbing assembly. A driving assembly is movably arranged at one end of the connecting box, and is used for driving the fixing assembly to be jacked up to realize quick release. An adjusting assembly is arranged below the driving assembly, and is used for adjusting the driving assembly. The shock absorbing assembly is arranged at one end of the driving assembly, and is used for cooperating with the jacking machine to absorb the shock of the bridge. The shock absorbing assembly is arranged to improve the shock absorbing effect on the bridge. The adjusting assembly is arranged to realize the quick dismounting effect of the fixing assembly by using the downward force of the bridge when it falls back.

The application relates to the field of building equipment engineering and discloses a heating and ventilating pipe with a damping and buffering structure, which comprises a pipe body, a mounting plate is arranged on the side wall of the pipe body, a buffering assembly is arranged on the side wall of the mounting plate, and a fixed connection is arranged on the side wall of the pipe body; the buffering assembly comprises a damper, a damping pad is fixedly connected to the side wall of the mounting plate, a fixed frame is arranged on the side wall of the pipe body, a rubber pad I is fixedly connected to the side wall of the fixed frame, the side wall of the rubber pad I is in close contact with the side wall of the pipe body, and the damper is fixedly installed between the damping pad and the fixed frame. In the utility model, after vibration of the pipe body is transmitted to the buffering assembly through the fixed frame, the damping pad, the damper, the first spring and the like are synergistically acted, buffering is realized by absorbing and consuming vibration energy and adapting to angle change, the noise and structure fatigue problems caused by vibration transmission are solved, and the damping effect and stability of the pipe system are improved.

The utility model provides an engine air inlet pipe assembly which comprises a sliding base and a sliding connection box, the sliding base and a hard pipe section are of an integrated structure, a sliding block is arranged at the top of the sliding base and located on the inner side of the sliding connection box, a plurality of sets of balls are embedded in the front and back positions of the lower surface of the sliding block, and a sliding groove is formed in the sliding connection box. Compared with the prior art, the sliding connection box has the advantages that the sliding blocks and the sliding connection box are arranged, vibration can be generated when an engine works, and therefore the engine can be prevented from falling off, and the service life of the engine can be prolonged. The sliding block moves left and right along the inner side of the sliding groove and drives the first hose section and the second hose section to stretch out and draw back through left-right displacement of the hard pipe section, so that the first hose section and the second hose section can absorb vibration generated when an engine works, meanwhile, the length of the air inlet pipe can be saved, and the damping effect of the air inlet pipeline is improved.

The utility model discloses a stainless steel flange plate which comprises two stainless steel plates and an elastic buffer plate, the elastic buffer plate is fixedly adhered between the two stainless steel plates, storage cavities are arranged in the stainless steel plates, damping liquid is stored in the storage cavities, a plurality of blocking holes are arranged on the elastic buffer plate, and the blocking holes are communicated with the elastic buffer plate. And the retarding holes are hexagonal. The shock-absorbing bolt is good in shock-absorbing performance, reduces fatigue damage caused by shock, and can prevent the bolt from loosening caused by shock.

The utility model discloses a novel cross slide of drilling and tapping machine relates to processing equipment technical field, it includes the processing platform that sets up up and down, saddle and base, the processing platform is driven and can pass through X axle line rail relative to saddle transverse displacement, and saddle is driven and can pass through Y axle line rail equivalent to base fore-and-aft displacement, and the processing platform, saddle is driven by a group of motor and screw rod respectively to realize self displacement movement, motor is fixed on the motor seat that forms the inner chamber, and motor axle and screw rod are respectively inserted into the inner chamber and are respectively equipped with claw disc, and the claw disc of mutual engagement is commonly clamped with the elastic plum blossom -like gasket between two. Compared with prior art, the design is through two claw disc connection motor axle and screw rod, and fills the clearance in the middle with the help of elastic gasket, can weaken the vibration influence that the motor axle rotation caused to screw rod.

The utility model relates to the technical field of damping facilities, in particular to a PC component vibration pouring table damping device which comprises a damping seat used for PC component machining, supporting legs are installed at the two ends of the bottom of the damping seat, and a plurality of sets of locking screws are installed on the outer wall of the damping seat. The whole device is stably supported by the supporting legs mounted at the two ends of the bottom of the damping seat; a plurality of groups of locking screws are mounted on the outer wall of the damping seat, the number of the locking screws is the same as that of the positioning clamping grooves, and the positions of the locking screws correspond to those of the positioning clamping grooves, so that the PC component vibration pouring table is firmly fixed in the positioning clamping grooves; a damping sleeve is mounted on the inner wall of the positioning clamping groove, so that the influence of vibration generated during vibration pouring on the PC component is effectively reduced; the locking screw penetrates through the side wall of the damping seat and extends into the positioning clamping groove, the two ends of the locking screw are coaxially connected with the rotary disc and the fixed chuck correspondingly, and the fixed chuck can be driven by rotating the rotary disc to clamp the PC component.

The utility model relates to the technical field of front shock absorbers, and discloses an anti-fracture front shock absorber for a tricycle, which comprises an injection molding barrel body shell and a shock absorption component arranged at the lateral position of the injection molding barrel body shell, and the shock absorption component comprises a shock absorption mechanism arranged at the lateral position of the injection molding barrel body shell. A stabilizing mechanism is arranged at the top position of the injection molding barrel body shell, the damping mechanism comprises an SPCC barrel body, the SPCC barrel body is fixedly installed on the inner wall of the injection molding barrel body shell, a piston rod is slidably installed on the inner wall of the SPCC barrel body, and an extrusion plate is fixedly installed at the top of the piston rod. The front shock absorber solves the problems that in the running process of an existing tricycle, due to the fact that road conditions such as potholes and jolts are complex, the front shock absorber bears constantly-changing impact force, and a traditional front shock absorber structure is prone to generating fatigue cracks on some weak portions after being used for a long time, and finally breakage is caused.

The invention relates to the technical field of corrugated cartons, in particular to a high-strength moisture regain prevention type corrugated carton which comprises a carton body. The top sealing assembly and the bottom sealing assembly are arranged at the top and the bottom of the box body respectively; the number of the bending grooves is four, and the four sets of bending grooves are located at the four corners of the box body; the moisture-proof plate is arranged in the box body, a mounting groove is formed in one side of the box body, and one end of the moisture-proof plate penetrates through the interior of the mounting groove. The inner walls of the four sides of the box body can be effectively supported, the overall strength of the box body is guaranteed, the situation of extrusion deformation in the follow-up transportation process is avoided, and in the supporting process, the first supporting assemblies are distributed in the box body at equal intervals from top to bottom, so that supporting force borne by the inner walls of the four sides of the box body is more uniform, and the service life of the box body is prolonged. And the overall strength of the box body is further improved.

The utility model discloses a child scooter capable of reducing impact. The child scooter comprises a main frame, a left support in damping connection with the inner side of the left end of the main frame, a right support fixedly connected with the outer side of the right end of the main frame, hubs and tires, wherein the hubs and the tires are arranged in the left support and the right support. Tensioning structures used for hubs are arranged in the left support and the right support, a supporting anti-falling structure is arranged on the rear side of the left end of the right support, a locked direction adjusting handrail is installed on the inner side of the upper end of the left support in a nested mode, and rubber sleeves fixedly pasted to the direction adjusting handrail are arranged on the outer sides of the front end and the rear end of the direction adjusting handrail in a nested mode. A locked bearing rod is arranged on the inner side of the upper right end of the main frame in a nested mode, and a cushion is fixedly installed on the bearing rod. According to the child scooter capable of reducing the impact, the hub can be conveniently tensioned, the impact of the child scooter is reduced, damping can be conveniently conducted on the buttocks of a child in the using process, the comfort degree of the child is high, the child scooter can be conveniently supported and prevented from falling down, and collision damage and the occupied area are reduced.

This utility model discloses a shock-absorbing spoke structure and a wheel. The shock-absorbing spoke includes a tubular spoke, a guide seat, a wear-resistant bushing, and an elastic element. At least one end of the tubular spoke is slidably connected to a guide seat before being connected and fixed to the hub and rim respectively. The guide seat has a guide hole for the tubular spoke to pass through, and the wear-resistant bushing is installed in the gap between the guide hole and the tubular spoke. The wear-resistant bushing has a sliding hole for the tubular spoke to slide through. The elastic element connects the tubular spoke and the guide seat, and provides elastic force to separate the tubular spoke from the guide seat. By setting the wear-resistant bushing between the guide hole and the tubular spoke, a limiting function can be provided to prevent the tubular spoke from shifting or tilting as the wheel rotates. At the same time, the wear-resistant bushing also provides lateral support force to ensure that the tubular spoke can reciprocate and extend along the guide seat and the wear-resistant bushing in the axial direction, and achieves a good shock absorption and buffering effect in conjunction with the elastic element.

The utility model discloses a portable panel satellite communication antenna, and relates to the field of communication antennas. The device comprises a communication antenna, the communication antenna comprises a base, the bottom of the base is provided with a supporting mechanism, and the device is provided with the supporting mechanism, a rotating seat, a damping rotating shaft, a supporting block, a threaded sleeve rod, a threaded rod and a soil drilling head. The angle and the position of the supporting block or the threaded sleeve rod can be flexibly adjusted through the arrangement of the rotating seat and the damping rotating shaft so as to adapt to different use scenes and requirements, and the soil drilling head can smoothly drill into the ground through the cooperation of the rotating seat and the damping rotating shaft in the outdoor environment when the ground may be uneven or has a gradient. A stable supporting point is provided for the antenna; and the design of the threaded sleeve rod and the threaded rod allows the length to be adjusted according to the height of the terrain to ensure that the antenna is always flat, thereby enhancing the stability of the antenna and ensuring that the antenna can firmly stand in the outdoor environment.

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.