阅读说明：本技术 综合管廊内狭小空间内大型管道运输工具 (Large-scale pipeline transport means in narrow and small space in utility tunnel ) 是由 何杰义 朱崴 陈新喜 李赟 谌鸿星 梅逸之 袁黄峻 刘阳 张琪 江海洋 余少乐 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种综合管廊内狭小空间内大型管道运输工具,包括滚轮组件、驱动组件、外壳、固定板和夹持组件,所述滚轮组件背面与驱动组件转动连接,所述驱动组件顶端与固定板转动连接,所述固定板外壁与外壳固定连接,所述固定板顶端与夹持组件固定连接；行驶时遭遇凸起路面,与路面接触的滚脚本体带着推杆运动,推杆带着推块运动,充气腔内部气体通过第一气管进入充气槽,充气槽内部气体通过第二气管进入气囊,气阀控制气体流通速度,滚脚本体缓慢的向气囊方向移动,抵消凸起的路面造成的影响,当滚脚本体离开路面之后,气体流通方向与之相反,这个过程在遭遇凹下路面则相反,使其适应于各种复杂地面。(The invention discloses a large pipeline transportation tool in a narrow space in a comprehensive pipe rack, which comprises a roller assembly, a driving assembly, a shell, a fixing plate and a clamping assembly, wherein the back of the roller assembly is rotationally connected with the driving assembly, the top end of the driving assembly is rotationally connected with the fixing plate, the outer wall of the fixing plate is fixedly connected with the shell, and the top end of the fixing plate is fixedly connected with the clamping assembly; when the vehicle runs on a convex road, the rolling script body in contact with the road drives the push rod to move, the push rod drives the push block to move, gas in the inflation cavity enters the inflation groove through the first gas pipe, gas in the inflation groove enters the airbag through the second gas pipe, the gas valve controls the gas flow speed, the rolling script body slowly moves towards the airbag to offset the influence caused by the convex road, after the rolling script body leaves the road, the gas flow direction is opposite to that of the rolling script body, and the process is opposite when the rolling script body encounters a concave road, so that the rolling script body is suitable for various complex grounds.)

1. The utility model provides a large-scale pipeline transport means in narrow and small space in utility tunnel which characterized in that includes:

the roller component comprises an air bag, a roller body and a roller foot component which are sequentially connected from inside to outside, the roller foot component comprises a roller foot body with an inflatable cavity inside, a first air pipe, an inflatable groove and a second air pipe are sequentially connected between the inflatable cavity and the air bag,

the driving assembly comprises a short guide rod coaxially connected to the back of the roller body, and a long guide rod, the bottom end of the long guide rod is rotatably meshed with the short guide rod, the top end of the long guide rod is rotatably connected with the power block, the inner wall of the power block is provided with a motor for driving the long guide rod to rotate, and the outer wall of the long guide rod and the outer wall of the short guide rod are simultaneously rotatably connected with the inner wall of a transmission column;

the fixing plate is fixedly connected to the top end of the power block;

the clamping assembly comprises a fixed clamping block fixed to the top end of the fixed plate, a first clamping block movably connected to the top end of the fixed clamping block through a first threaded rod, a second clamping block movably connected to one side of the fixed clamping block through a second threaded rod, and a pipeline clamping opening is formed by the fixed clamping block and the inner side, opposite to the second clamping block, of the first clamping block in a defined mode.

2. The utility model discloses a large pipeline transport means in narrow and small space in utility tunnel of claim 1, characterized in that, the roll foot subassembly still include scalable push rod and fixed connection in the ejector pad of push rod bottom, the top of push rod with roll script body fixed connection, first tracheal outer wall with push rod inner wall fixed connection, first trachea bottom passes the ejector pad with inflation tank inner wall fixed connection, the ejector pad with inflation tank inner wall sliding connection, the inflation tank is seted up the gyro wheel body inner wall, inflation tank inner wall bottom with second trachea fixed connection.

3. The utility model provides a large-scale pipeline transportation instrument in narrow and small space in utility tunnel according to claim 2, characterized in that, the external wall fixedly connected with outer protection bag of roll script body, outer protection bag inner wall with roll script body outer wall fixed connection, just outer protection bag inner wall is full of gas.

4. The large-scale pipeline transportation tool in the narrow space in the utility tunnel according to claim 2, characterized in that the inner wall of the inflatable cavity is fixedly connected with a reinforcing column.

5. The large pipeline transport tool in the narrow space in the utility tunnel according to claim 2, wherein the top end of the rolling script body is fixedly connected with a protruding foot pad.

6. The large pipeline transportation tool in the narrow space in the utility tunnel according to claim 1, characterized in that, the outer wall of the transmission column is fixedly connected with a worm wheel, the worm wheel is connected with a worm in a transmission way, the worm is movably connected with a transmission belt, and the transmission belt is movably connected with a first motor output shaft.

7. The large pipeline transport tool in the narrow space in the utility tunnel according to claim 1, wherein a limiting rod is connected between the top end of the fixed clamping block and the bottom end of the first clamping block, the limiting rod is a telescopic rod, and the maximum telescopic stroke is greater than the maximum displacement distance of the first clamping block and the second clamping block.

8. The large pipeline transport tool in the narrow space in the utility tunnel according to claim 1, wherein the first end of the first threaded rod is in threaded connection with the inner wall of the first clamping block, the second end of the first threaded rod is in rotational connection with the inner wall of the fixed clamping block, the second end of the first threaded rod is in rotational engagement with the transmission rod, and the transmission rod is driven to rotate by the second motor.

9. The large pipe transportation tool in the small space in the utility tunnel according to claim 8, wherein the first end of the second threaded rod is in threaded connection with the inner wall of the second clamping block, and the second end of the second threaded rod is in rotational engagement with the second end of the first threaded rod.

10. The large-scale pipeline transportation tool in the narrow space in the utility tunnel according to claim 9, characterized in that a sliding block is fixedly connected to the bottom end of the second clamping block, a bar-shaped sliding groove is arranged at the top end of the fixing plate, and the sliding block is slidably arranged in the bar-shaped sliding groove.

Technical Field

The invention relates to the technical field of pipeline transportation, in particular to a large pipeline transportation tool in a narrow space in a comprehensive pipe rack.

Background

In any city construction, various pipelines need to be laid, the comprehensive pipe gallery is a comprehensive corridor of urban underground pipelines, pipeline transport vehicles are needed in the laying of pipelines, the current most important transport vehicle is a pipeline transport vehicle, because the internal environment of the comprehensive pipe rack is complex and changeable, and the pipe rack is divided into a plurality of channels, the pipe rack can turn and shunt for a plurality of times, and the ground in the pipe gallery is uneven due to maintenance or construction, which results in complex and changeable environment in the pipe gallery, the existing pipeline transport vehicle is mainly a beam-carrying type pipe transport vehicle or a bottom-supported type pipe transport vehicle, the two transport vehicles can not be competent for the task of transporting pipelines under the special conditions of sharp turns and concave-convex ground, the sizes of the pipelines are different, the transportation is very inconvenient, there is therefore a need for a vehicle that can handle a variety of complex terrains and that can transport a variety of pipes.

Disclosure of Invention

In order to achieve the purposes of coping with various complex terrains and transporting various pipelines, the invention provides the following technical scheme:

the utility model provides a large-scale pipeline transport means in narrow and small space in utility tunnel, it includes:

the roller component comprises an air bag, a roller body and a roller foot component which are sequentially connected from inside to outside, the roller foot component comprises a roller foot body with an inflatable cavity inside, a first air pipe, an inflatable groove and a second air pipe are sequentially connected between the inflatable cavity and the air bag,

the driving assembly comprises a short guide rod coaxially connected to the back of the roller body, and a long guide rod, the bottom end of the long guide rod is rotatably meshed with the short guide rod, the top end of the long guide rod is rotatably connected with the power block, the inner wall of the power block is provided with a motor for driving the long guide rod to rotate, and the outer wall of the long guide rod and the outer wall of the short guide rod are simultaneously rotatably connected with the inner wall of a transmission column;

the fixing plate is fixedly connected to the top end of the power block;

the clamping assembly comprises a fixed clamping block fixed to the top end of the fixed plate, a first clamping block movably connected to the top end of the fixed clamping block through a first threaded rod, a second clamping block movably connected to one side of the fixed clamping block through a second threaded rod, and a pipeline clamping opening is formed by the fixed clamping block and the inner side, opposite to the second clamping block, of the first clamping block in a defined mode.

As a preferred embodiment of the pipeline transportation tool of the present invention, the foot roller assembly further includes a retractable push rod and a push block fixedly connected to a bottom end of the push rod, a top end of the push rod is fixedly connected to the foot roller body, an outer wall of the first air tube is fixedly connected to an inner wall of the push rod, a bottom end of the first air tube penetrates through the push block and is fixedly connected to an inner wall of the inflation groove, the push block is slidably connected to an inner wall of the inflation groove, the inflation groove is formed in the inner wall of the roller body, and a bottom end of the inner wall of the inflation groove is fixedly connected to the second air tube.

As a preferred embodiment of the pipeline transportation tool of the present invention, an outer protection bag is fixedly connected to an outer wall of the roller body, an inner wall of the outer protection bag is fixedly connected to an outer wall of the roller body, and an inner wall of the outer protection bag is filled with gas.

As a preferred embodiment of the pipeline transportation tool, the inner wall of the inflation cavity is fixedly connected with a reinforcing column.

As a preferred embodiment of the pipeline transportation tool of the present invention, a protruding foot pad is fixedly connected to the top end of the rolling script body.

As a preferred embodiment of the pipeline transportation tool, the outer wall of the transmission column is fixedly connected with a worm wheel, the worm wheel is in transmission connection with a worm, the worm is movably connected with a transmission belt, and the transmission belt is movably connected with an output shaft of the first motor.

As a preferred embodiment of the pipeline transportation tool of the present invention, a limiting rod is connected between the top end of the fixed clamping block and the bottom end of the first clamping block, the limiting rod is a telescopic rod, and the maximum telescopic stroke is greater than the maximum displacement distance between the first clamping block and the second clamping block.

As a preferred embodiment of the pipeline transportation tool of the present invention, a first end of the first threaded rod is in threaded connection with an inner wall of the first clamping block, a second end of the first threaded rod is in rotational connection with an inner wall of the fixed clamping block, a second end of the first threaded rod is in rotational engagement with a transmission rod, and the transmission rod is driven to rotate by a second motor.

As a preferred embodiment of the pipe transportation apparatus of the present invention, a first end of the second threaded rod is threadedly coupled to an inner wall of the second block, and a second end of the second threaded rod is rotatably engaged with a second end of the first threaded rod.

As a preferred embodiment of the pipeline transportation tool of the present invention, a sliding block is fixedly connected to the bottom end of the second clamping block, a strip-shaped sliding groove is arranged at the top end of the fixing plate, and the sliding block is slidably arranged in the strip-shaped sliding groove.

The invention has the beneficial effects that: the self-rotating roller body is enabled to realize self-rotation through the matched use of the power block, the long guide rod, the short guide rod and the roller component, the direction of a large pipeline transport tool in a narrow space in the comprehensive pipe rack can be adjusted in situ through the matched use of the first motor, the transmission belt, the worm and the worm wheel, the transmission column and the roller component, the operation of various complex routes is adapted, the ground grabbing force can be enhanced through the foot-projecting pad, the slip is prevented, if the vehicle encounters a raised road surface, the roller body in contact with the road surface drives the push rod to move, the push rod drives the push block to move, meanwhile, the gas in the inflation cavity enters the inflation groove through the first gas pipe, the gas in the inflation groove slowly enters the air bag through the second gas pipe, the gas valve controls the gas flowing speed, namely, the roller body slowly moves towards the direction of the air bag, and the influence caused by the raised road surface is counteracted, after the script body leaves the road surface as rolling, the gas flow direction is opposite with it, this process is then opposite when meeting with the concave road surface, make it be adapted to various complicated ground, even if the unsmooth transport vechicle in road surface also can be very steady go, the second motor, the transfer line, first threaded rod, first clamp splice, the gag lever post, the rotation of second threaded rod, the cooperation of second threaded rod, second clamp splice and bar slider is used and is made the various types of pipelines of centre gripping subassembly centre gripping, thereby convenient transportation and improvement operating efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a pipeline transportation vehicle according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a scroll wheel assembly in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a roll foot assembly according to an embodiment of the invention.

Fig. 4 is a schematic diagram of the internal structure of the roll foot assembly in the embodiment of the invention.

Fig. 5 is a schematic structural diagram of a driving assembly according to an embodiment of the invention.

FIG. 6 is a schematic structural diagram of the worm gear of FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a clamping assembly according to an embodiment of the invention.

The numbers in the figure are related as follows:

100-a roller assembly; 101-a roll foot assembly; 1010-an inflation cavity; 1011-roll foot body; 1012-first trachea; 1013-gas valve; 1014-a second trachea; 1015-inflation groove; 1016-push block; 1017-push rod; 1018-outer protective bag; 1019-reinforcement column; 1020-a pin pad; 102-a roller body; 103-air bag; 200-a drive assembly; 201-a worm wheel; 202-a worm; 203-a transmission belt; 204-a first motor; 205-a drive column; 206-a protective cover; 207-long guide bar; 208-short guide rods; 209-power block; 300-a housing; 400-fixing the plate; 500-a clamping assembly; 501-a first clamping block; 502-a stop lever; 503-a first threaded rod; 504-fixing the clamping block; 505-a second electric machine; 506-a transmission rod; 507-a second threaded rod; 508-bar shaped slider; 509-second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a large pipeline transportation tool in a narrow space in a utility tunnel, which mainly includes a roller assembly 100, a driving assembly 200, a housing 300, a fixing plate 400 and a clamping assembly 500, wherein the back of the roller assembly 100 is rotatably connected to the driving assembly 200, the top of the driving assembly 200 is rotatably connected to the fixing plate 400, the outer wall of the fixing plate 400 is fixedly connected to the housing 300, and the top of the fixing plate 400 is fixedly connected to the clamping assembly 500.

Referring to fig. 1, 2 and 3, the roller assembly 100 is composed of a roller assembly 101, a roller body 102 and an air bag 103, wherein the outer wall of the roller body 102 is fixedly connected with the roller assembly 101, and the air bag 103 is fixedly connected with the inner wall of the roller body 102.

Referring to fig. 5 and 6, the driving assembly 200 is composed of a worm wheel 201, a worm 202, a transmission belt 203, a first motor 204, a transmission column 205, a protective cover 206, a long guide rod 207, a short guide rod 208 and a power block 209, wherein the outer end of the short guide rod 208 is fixedly connected with the roller assembly 100, specifically, the outer end of the short guide rod 208 is coaxially connected with the back of the roller body, the roller body is driven to rotate by the rotation of the end guide rod 208, and the roller assembly travels along the ground. The outer wall of the short guide rod 208 is rotatably connected with the inner wall of the transmission column 205, the other end of the short guide rod 208 is rotatably meshed with the lower end of the long guide rod 207 through two bevel gears, and the two bevel gears are coaxially fixed at the adjacent end parts of the short guide rod 208 and the long guide rod 207 respectively. The top end of the long guide rod 207 is rotatably connected with the power block 209, the power block 209 is fixedly connected with the inner wall of the fixing plate 400, the inner wall of the power block 209 is provided with a motor for driving the long guide rod 207 to rotate, and the rotation of the long guide rod 207 can drive the short guide rod 208 to rotate, so that the roller assembly 100 can rotate and run on the ground.

The bottom end of the fixing plate 400 is located on the outer wall of the long guide rod 207 and is connected with the rotation of the transmission column 205, the outer wall of the transmission column 205 is fixedly connected with the worm wheel 201, one side of the worm wheel 201 is in threaded connection with the worm 202, the worm 202 is movably connected with the transmission belt 203, the left side of the transmission belt 203 is movably connected with the output shaft of the first motor 204, the outer wall of the transmission column 205 is located on the outer wall of the worm wheel 201 and is connected with the protection cover 206 in a rotating mode, the driving assembly 200 can enable the roller assembly to rotate by three hundred and sixty degrees, and therefore the turning direction can be fast.

Referring to fig. 1 and 7, the clamping assembly 500 comprises a first clamping block 501, a limiting rod 502, a first threaded rod 503, a fixed clamping block 504, a second motor 505, a transmission rod 506, a second threaded rod 507, a strip-shaped sliding block 508 and a second clamping block 509, wherein the inner wall of the first clamping block 501 is in threaded connection with the first threaded rod 503, the bottom end of the first clamping block 501 is fixedly connected with the limiting rod 502, the bottom end of the limiting rod 502 is fixedly connected with the fixed clamping block 504, the bottom end of the fixed clamping block 504 is fixedly connected with the fixed plate 400, the outer wall of the first threaded rod 503 is rotatably connected with the top end of the inner wall of the fixed clamping block 504, the left side of the bottom end of the first threaded rod 503 is rotatably engaged with the transmission rod 506 through a pair of bevel gears, the left side of the transmission rod 506 is also rotatably engaged with the output shaft of the second motor 505 through a pair of bevel gears, the right side of the bottom end of the first threaded rod 503 is also rotatably engaged with the second threaded rod 507 through a pair of bevel gears, the outer wall of the second threaded rod 507 is rotatably connected with the right side of the inner wall of the fixed clamping block 504, second threaded rod 507 right side outer wall and second clamp splice 509 threaded connection, second clamp splice 509 bottom and bar slider 508 fixed connection, the bar spout sliding connection that bar slider 508 outer wall and fixed plate 400 top inner wall set up for centre gripping subassembly 500 can the various types of pipeline of centre gripping, thereby makes things convenient for the transportation and improves the operating efficiency.

Referring to fig. 2, 3 and 4, the rolling foot assembly 101 comprises an inflation cavity 1010, a rolling foot body 1011, a first air tube 1012, an air valve 1013, a second air tube 1014, an inflation channel 1015, a push block 1016, a push rod 1017, an outer protection bag 1018, a reinforcement column 1019 and a protruding foot pad 1020, wherein the bottom end of the protruding foot pad 1020 is fixedly connected with the rolling foot body 1011, the inflation cavity 1010 is arranged on the inner wall of the rolling foot body 1011, the reinforcement column 1019 is fixedly connected with the inner wall of the inflation cavity 1010, the bottom end of the inner wall of the inflation cavity 1010 is fixedly connected with the first air tube 1012, the outer wall of the first air tube 1012 is fixedly connected with the inner wall of the push rod 1017, the bottom end of the first air tube 1012 passes through the push block 1016 and is fixedly connected with the inner wall of the inflation channel 1015, the top end of the push rod 1017 is fixedly connected with the rolling foot body 1011, the bottom end of the push rod 1017 is fixedly connected with the push block 1016, the push block 1016 is slidably connected with the inner wall of the inflation channel 1015, the inflation channel 1015 is arranged on the inner wall of the roller body 102, the bottom end of the inflation channel 1014 is fixedly connected with the second air tube 1015, the bottom end of the second air pipe 1014 is fixedly connected with the air bag 103, the outer wall of the rolling leg body 1011 is fixedly connected with the outer protection bag 1018, the rolling leg assembly 101 is suitable for various complex ground surfaces under the action of air pressure, and the transport vehicle can run stably even if the road surface is uneven.

Referring to fig. 1 and 2, four roller assemblies 100 are arranged in an array manner with respect to the bottom end of the fixing plate 400, each roller assembly 100 is provided with eight roller foot assemblies 101, and the roller body 102 is arranged in an annular array manner, so that the four roller assemblies 100 enable the transport vehicle to run stably and stably without bumping, and simultaneously have a certain damping effect, thereby well protecting the transported pipelines.

Referring to fig. 1, 5 and 6, two driving assemblies 200 are respectively mounted on two symmetrical roller assemblies 100 and rotatably connected to the bottom end of the fixing plate 400, so that the four rollers can rotate three hundred and sixty degrees to cope with various turning directions in sharp bends or narrow spaces.

Referring to fig. 1 and 7, the two clamping assemblies 500 are symmetrically disposed about a center line of the fixing plate 400, and the limiting rod 502 is a telescopic rod, and the maximum telescopic stroke is greater than the maximum displacement distance between the first clamping block 501 and the second clamping block 509, so as to ensure the stability of the clamping assembly 500 and clamp a pipeline with a diameter of one point four meters at most.

Referring to fig. 2, 3 and 4, the inner wall of the outer protection bag 1018 is fixedly connected with the outer wall of the roller body 102, and the inner wall of the outer protection bag 1018 is filled with gas to protect the internal structure of the roller assembly 100, thereby prolonging the service life thereof.

In use, referring to fig. 1 to 7, the motor inside the power block 209 drives the long guide rod 207 to rotate, the long guide rod 207 drives the short guide rod 208 to rotate, the short guide rod 208 drives the roller assembly 100 to rotate, so that the whole transport vehicle can run, the first motor 204 drives the transmission belt 203 to run, the transmission belt 203 drives the worm 202 to rotate, the worm 202 drives the worm wheel 201 to rotate, the worm wheel 201 drives the transmission post 205 to rotate, the transmission post 205 drives the roller assembly 100 to move circumferentially around the transmission post 205, so that the large pipeline transport tool in the narrow space inside the comprehensive pipe gallery can be turned on site, the operation of various complex routes is adapted, the protruding foot pad 1020 can enhance the grip force and prevent slipping, if a protruding road surface is encountered, the rolling foot body 1011 contacting the road surface drives the push rod 1017 to move, the push rod 1017 drives the push block 1016 to move, and at the same time, the gas inside the inflation cavity 1010 enters the inflation groove 1015 through the first gas pipe 1012, the gas in the inflation slot 1015 slowly enters the air bag 103 through the second gas pipe 1014, the gas valve 1013 controls the gas flow speed, that is, the roller body 1011 slowly moves towards the air bag 103 to counteract the effect caused by the raised road surface, when the roller body 1011 leaves the road surface, the gas flow direction is opposite to that, the process is opposite to that when encountering the depressed road surface, so that the roller body is suitable for various complex ground surfaces, even if the transport vehicle with uneven road surface can run stably, the second motor 505 drives the transmission rod 506 to rotate, the transmission rod 506 drives the first threaded rod 503 to rotate, the first threaded rod 503 rotates to make the first clamping block 501 move up and down, at the same time, the limit rod 502 correspondingly extends or shortens, the first threaded rod 503 rotates to drive the second threaded rod 507 to rotate, the second threaded rod 507 drives the second clamping block 509 to move left and right, the second clamping block 509 drives the strip-shaped sliding block 508 to operate, so that the clamping assembly 500 can clamp various types of pipes, thereby facilitating transportation and improving operation efficiency, and can clamp a pipe of one point and four meters at most.

To sum up, through the cooperation of the power block 209, the long guide rod 207, the short guide rod 208 and the roller assembly 100, the roller body 102 can rotate, through the rotation of the first motor 204, the transmission belt 203, the worm 202 and the worm wheel 201, the cooperation of the worm wheel 201, the transmission column 205 and the roller assembly 100, the large-scale pipeline transportation tool in the narrow space in the comprehensive pipe gallery can be turned on site, the operation of various complex routes is adapted, the foot-projecting pad 1020 can enhance the ground-holding force and prevent slipping, when the vehicle runs, if the vehicle encounters a raised road surface, the rolling body 1011 contacting with the road surface drives the push rod 1017 to move, the push rod 1017 drives the push block 1016 to move, meanwhile, the gas in the inflation cavity 1010 enters the inflation groove 1015 through the first gas pipe 1012, the gas in the inflation groove 1015 slowly enters the gas bag 103 through the second gas pipe 103, and the gas valve 1013 controls the gas circulation speed, that is, the rolling script body 1011 moves slowly towards the direction of the air bag 103, so as to offset the influence caused by the convex road surface, after the rolling script body 1011 leaves the road surface, the air circulation direction is opposite to that, the process is opposite when encountering the concave road surface, so that the rolling script body is suitable for various complex ground surfaces, even if the transport cart with the uneven road surface can run stably, the second motor 505, the transmission rod 506, the first threaded rod 503, the first clamping block 501, the limiting rod 502 and the second threaded rod 507 rotate, and the second threaded rod 507, the second clamping block 509 and the strip-shaped sliding block 508 are matched for use, so that the clamping assembly 500 can clamp various types of pipelines, thereby facilitating transportation and improving the operation efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.