Water supply and drainage pipeline laying device

Abstract

The utility model provides a water supply and drainage pipeline laying device, which belongs to the technical field of pipeline installation, and comprises a mobile vehicle body, a hoisting assembly, a clamping assembly and an electric control assembly, the mobile vehicle body is arranged in a groove or on one side of the upper end of the groove, the upper end of the mobile vehicle body is connected with a first telescopic column, and the first telescopic column has a telescopic freedom degree along the height direction of the mobile vehicle body; one end of the hoisting assembly is connected to the upper end of the first telescopic column, and the hoisting assembly has the moving freedom degree in the height direction of the movable vehicle body and the width direction of the groove. The clamping assembly is connected to the hoisting assembly, the clamping assembly is suitable for clamping a pipeline with the position to be adjusted, and the position is adjusted through the movable vehicle body, the first telescopic column and the hoisting assembly; the electric control assembly is suitable for controlling the first telescopic column, the hoisting assembly and the clamping assembly to operate. The laying device for the water supply and drainage pipeline has the technical effects that the position of the pipeline can be adjusted in a small range, the butt joint and sealing operation of the pipeline are facilitated, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline installation, and more specifically relates to a water supply and drainage pipeline laying device. Background Art

[0002] Currently, during water supply and drainage pipeline construction, multiple sections of water supply or drainage pipe are first laid or placed in a pre-excavated trench. The pipes are then butted together end-to-end and sealed, and finally buried. The trench is excavated in advance, and some trenches are lined with a brick support foundation. During pipe laying, the pipes are laid atop this support foundation.

[0003] In existing technologies, when laying water supply or drainage pipes, lifting equipment is typically used to lift the pipes into the trench. The pipes are then manually adjusted to ensure that adjacent pipes mate and seal. However, using lifting equipment to adjust pipe positions is generally imprecise and therefore not commonly used. Water supply and drainage pipes are typically large in diameter, making them difficult to move within the trench, and thus making pipe position adjustment (primarily along the trench width) more difficult. Therefore, when laying pipes using lifting equipment, manual adjustment using tools is time-consuming and labor-intensive, resulting in low efficiency in position adjustment and pipe docking. Summary of the Invention

[0004] The purpose of the utility model is to provide a water supply and drainage pipe laying device, aiming to solve the technical problems of time-consuming and labor-intensive manual adjustment of the pipe position during laying of the water supply and drainage pipe and low operating efficiency.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a water supply and drainage pipe laying device, comprising:

[0006] The mobile body is placed inside the groove or on one side of the upper end of the groove, and the upper end is connected to a first telescopic column, and the first telescopic column has the freedom of extension and contraction along the height direction of the mobile body;

[0007] a lifting assembly, one end of which is connected to the upper end of the first telescopic column, the lifting assembly having the freedom to move along the height direction of the mobile body and the width direction of the groove;

[0008] a clamping assembly connected to the lifting assembly, the clamping assembly being adapted to clamp the pipe to be adjusted in position and to adjust the position by means of the mobile vehicle, the first telescopic column and the lifting assembly;

[0009] The electric control component is arranged at the upper end of the mobile body, and is electrically connected to the first telescopic column, the lifting component and the clamping component respectively to control the operation thereof.

[0010] In one possible implementation, the upper end of the mobile body is connected to a rotating table, the upper end of the rotating table has circumferential rotational freedom, the rotating table is electrically connected to the electronic control component and its operation is controlled by the electronic control component, the bottom end of the first telescopic column is connected to the upper end of the rotating table, and the rotating table is suitable for driving the first telescopic column to rotate to adjust the position of the pipeline.

[0011] In a possible implementation, the lifting assembly includes:

[0012] A crossbeam, one end of which is connected to the side of the first telescopic column and the other end of which is a cantilever end, the crossbeam is arranged horizontally, and the upper end of the crossbeam has a slide rail arranged along the length direction thereof;

[0013] The two telescopic rods are both vertical and spaced apart, and the upper ends are slidably connected to the slide rail. The telescopic rods have the freedom to extend and retract along the height direction of the mobile vehicle body and the freedom to slide along the length direction of the beam with the help of the slide rail. The two telescopic rods are electrically connected to the electronic control component and their operation is controlled by the electronic control component.

[0014] In one possible implementation, the clamping assembly includes:

[0015] a first telescopic crossbar, arranged horizontally, with its two ends fixedly connected to the lower ends of the two telescopic rods, the spacing between the two telescopic rods being adjusted by the telescopic crossbar, and the first telescopic crossbar being electrically connected to the electronic control component and its operation being controlled by the electronic control component;

[0016] Four connecting rods, each two connecting rods are arranged in a herringbone shape, forming two groups of herringbone connecting rod assemblies, the two groups of connecting rod assemblies are respectively located on both sides of the pipeline, the upper end of each group of connecting rod assemblies is respectively connected to the two ends of the first telescopic cross bar, and the distance between the two groups of connecting rod assemblies is adjusted by means of the first telescopic cross bar;

[0017] Two second telescopic cross bars are horizontally spaced apart and connected between the two groups of connecting rod assemblies and located at the lower ends of the connecting rod assemblies. The second telescopic cross bars are arranged parallel to the first telescopic cross bars. The lower ends of one group of connecting rod assemblies are fixedly connected to one ends of the two second telescopic cross bars, and the lower ends of the other group of connecting rod assemblies are slidably connected to the other ends of the two second telescopic cross bars, and the sliding direction is along the axial direction of the second telescopic cross bars. The second telescopic cross bars are electrically connected to the electronic control assembly and their operation is controlled by the electronic control assembly.

[0018] Four arc-shaped plates, each two of which are arranged opposite to each other to form a clamp for the pipeline, the upper ends of the four arc-shaped plates are respectively fixedly connected to two second telescopic cross bars near the two ends, and the distance between the two arc-shaped plates connected to a group of the second telescopic cross bars is adjusted with the help of the second telescopic cross bars.

[0019] In a possible implementation, the upper ends of the four arc-shaped plates are provided with insertion holes, bent plates are inserted into the insertion holes, and the four bent plates are correspondingly connected to two of the second telescopic cross bars.

[0020] In a possible implementation, a third telescopic cross bar is connected between the two curved plates located on one side of the pipeline, and two ends of the two third telescopic cross bars are fixedly connected to the outer walls of the two curved plates through clamps.

[0021] In a possible implementation, an anti-slip pad is connected to the inner wall of the arc-shaped plate, and the anti-slip pad is suitable for contacting the outer wall of the pipeline.

[0022] In one possible implementation, the water supply and drainage pipe laying device also includes an auxiliary trolley placed inside the groove or on the other side of the upper end of the groove, and the upper end of the auxiliary trolley is connected to a second telescopic column, and the second telescopic column has the same structure as the first telescopic column. The auxiliary trolley has the same structure as the mobile body, and the upper end of the second telescopic column is suitable for connecting to the other end of the lifting assembly.

[0023] In a possible implementation, the second telescopic column is electrically connected to the electronic control component and its operation is controlled by the electronic control component.

[0024] In one possible implementation, the bottom of the mobile body has running wheels and a drive motor, and the drive motor is suitable for driving the running wheels to rotate to move the mobile body. The drive motor is electrically connected to the electronic control component and its operation is controlled by the electronic control component.

[0025] The beneficial effects of the water supply and drainage pipe laying device provided by the utility model are as follows: compared with the existing technology, the water supply and drainage pipe laying device of the utility model includes a mobile body, a lifting assembly, a clamping assembly and an electronic control assembly, the mobile body is placed inside the groove or on one side of the upper end of the groove, and the upper end is connected to a first telescopic column, the first telescopic column has the freedom of extension and contraction along the height direction of the mobile body; one end of the lifting assembly is connected to the upper end of the first telescopic column, and the lifting assembly has the freedom of movement along the height direction of the mobile body and the width direction of the groove; the clamping assembly is connected to the lifting assembly, and the clamping assembly is suitable for clamping the pipe to be adjusted, and the position is adjusted with the help of the mobile body, the first telescopic column and the lifting assembly; the electronic control assembly is arranged at the upper end of the mobile body, and is electrically connected to the first telescopic column, the lifting assembly and the clamping assembly respectively and controls the operation respectively, which solves the technical problems of time-consuming and labor-intensive manual adjustment of the position of the pipe during laying of the water supply and drainage pipe, and low operating efficiency, and has the technical effect of being able to adjust the pipe position within a small range, facilitating pipe docking and sealing operations, and improving operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic diagram of the structure of a water supply and drainage pipe laying device provided in an embodiment of the present utility model;

[0028] Figure 2 A schematic diagram of the structure of the mobile body and lifting assembly of the water supply and drainage pipe laying device provided in an embodiment of the utility model (the dotted line portion in the figure represents the pipe);

[0029] Figure 3 A schematic structural diagram of a water supply and drainage pipe laying device according to an embodiment of the present invention showing a clamping assembly clamping a pipe;

[0030] Figure 4 for Figure 3 A schematic diagram of the upper structure of the clamping assembly of the water supply and drainage pipe laying device shown;

[0031] Figure 5 for Figure 3 The diagram shown is a structural schematic diagram of two arc-shaped plates located on one side of the pipe of the clamping assembly of the water supply and drainage pipe laying device.

[0032] Description of reference numerals:

[0033] 1. Mobile body; 2. Lifting assembly; 21. Crossbeam; 22. Telescopic rod; 23. Slide rail; 3. Clamping assembly; 31. First telescopic cross bar; 32. Connecting rod; 33. Second telescopic cross bar; 34. Arc plate; 35. Socket; 36. Bent plate; 37. Third telescopic cross bar; 38. Clamp; 4. Electronic control assembly; 5. First telescopic column; 6. Rotating table; 7. Auxiliary trolley; 8. Second telescopic column. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] Please also refer to Figures 1 to 5The water supply and drainage pipe laying device provided by the present invention is now described. The water supply and drainage pipe laying device includes a mobile body 1, a lifting assembly 2, a clamping assembly 3, and an electronic control assembly 4. The mobile body 1 is placed inside the groove or on the upper side of the groove, and the upper end is connected to a first telescopic column 5. The first telescopic column 5 has the freedom of extension and contraction along the height direction of the mobile body 1; one end of the lifting assembly 2 is connected to the upper end of the first telescopic column 5, and the lifting assembly 2 has the freedom of movement along the height direction of the mobile body 1 and the width direction of the groove; the clamping assembly 3 is connected to the lifting assembly 2, and the clamping assembly 3 is suitable for clamping the pipe to be adjusted, and the position is adjusted with the help of the mobile body 1, the first telescopic column 5, and the lifting assembly 2; the electronic control assembly 4 is provided at the upper end of the mobile body 1, and is electrically connected to the first telescopic column 5, the lifting assembly 2, and the clamping assembly 3 respectively, and controls the operation respectively.

[0036] Compared with the prior art, the water supply and drainage pipe laying device provided by the utility model has the advantages of being able to move in the groove or at the upper end of the groove to adjust the position of the pipe by providing a mobile body 1, being able to adjust the height of the pipe and the position along the width direction of the groove by providing a lifting component 2, being able to clamp the pipe more firmly by providing a clamping component 3, being able to control the operation of the above-mentioned various components by operating the electric control component 4, thereby realizing the automatic operation of pipe position adjustment, solving the technical problems of time-consuming and labor-intensive manual adjustment of the pipe position and low operating efficiency during the laying of water supply and drainage pipes, and having the technical effect of being able to adjust the pipe position within a small range, being conducive to pipe docking and sealing operations, and improving operating efficiency.

[0037] When the width of the excavated trench is relatively large, the mobile body 1 can be accommodated at this time. In actual use, the mobile body 1 can be placed in the trench, and the height of the clamping assembly 3 can be adjusted by extending and retracting the lifting assembly 2. When the trench width is small, the mobile body 1 can also be placed at the upper end of the trench. At this time, the position of the pipeline can also be adjusted by adjusting the height of the lifting assembly 2. When there is earthwork at the upper end of the trench, the mobile body 1 can be placed in a position without earthwork. When the earthwork affects the placement of the mobile body 1, the earthwork can be moved to avoid the mobile body 1. The electronic control assembly 4 includes a controller, a control circuit, a control button, etc., which are respectively connected to the lifting assembly 2, the clamping assembly 3 and the first telescopic column 5. The staff can adjust the laying position of the pipeline by operating the electronic control assembly 4.

[0038] To achieve the adjustment of the position of the pipeline in multiple directions, in some embodiments, refer to Figures 1 to 2The upper end of the mobile body 1 is connected to a rotating platform 6. The upper end of the rotating platform 6 has circumferential rotational freedom. The rotating platform 6 is electrically connected to the electronic control component 4 and its operation is controlled by the electronic control component 4. The lower end of the first telescopic column 5 is connected to the upper end of the rotating platform 6. The rotating platform 6 is suitable for driving the first telescopic column 5 to rotate to adjust the position of the pipeline. The rotating platform 6 is an electric rotating platform. The upper end can rotate in the circumferential direction. By operating the electronic control component 4, the operation or rotation can be controlled, thereby adjusting the position of the pipeline to achieve rotational adjustment or direction adjustment of the pipeline. The first telescopic column 5 is a prior art product. After being controlled, it can automatically extend and retract, thereby adjusting the height of the pipeline. For example, when the pipeline needs to turn around, the rotating platform 6 can be used to adjust the direction of the pipeline to achieve the turn. Compared with manual operation, it can reduce the intensity of manual labor, save time and effort, and has high operating efficiency.

[0039] In some embodiments, see Figures 1 to 2 The lifting assembly 2 includes a crossbeam 21 and two telescopic rods 22. One end of the crossbeam 21 is connected to the side of the first telescopic column 5, and the other end is a cantilever end. The crossbeam 21 is arranged horizontally, and the upper end of the crossbeam 21 has a slide rail 23 arranged along its length. The two telescopic rods 22 are both vertical and spaced apart. The upper ends are slidably connected to the slide rail 23. The telescopic rods 22 have the freedom to extend and retract along the height direction of the mobile body 1 and the freedom to slide along the length direction of the crossbeam 21 with the help of the slide rail 23. The two telescopic rods 22 are electrically connected to the electronic control assembly 4 and their operation is controlled by the electronic control assembly 4. One end of the crossbeam 21 is fixedly connected to the upper side of the first telescopic column 5. The two telescopic rods 22 have the same structure and can slide on the slide rail 23, thereby accommodating the lifting or movement of pipes of different diameters. The telescopic rod 22 is an electric telescopic rod that can extend and retract vertically and has a controllable length, thereby adjusting the height of the pipe. A counterweight, such as that found on forklifts or cranes, is installed on the mobile body 1 to prevent it from tipping over or becoming overweight on one side. Limit blocks are located at both ends of the slide rail 23 to prevent the telescopic rod 22 from slipping off the rail. A hook-like structure is located at the upper end of the telescopic rod 22, which is slidably connected to the rail 23.

[0040] In some embodiments, see Figure 1 、 Figures 3 to 5The clamping assembly 3 includes a first telescopic cross bar 31, four connecting rods 32, two second telescopic cross bars 33 and four arc-shaped plates 34. The first telescopic cross bar 31 is arranged horizontally, and its two ends are fixedly connected to the lower ends of the two telescopic rods 22. The distance between the two telescopic rods 22 is adjusted by the first telescopic cross bar 31. The first telescopic cross bar 31 is electrically connected to the electronic control assembly 4 and its operation is controlled by the electronic control assembly 4; every two connecting rods 32 are arranged in a herringbone shape, forming two groups of herringbone-shaped connecting rod 32 assemblies. The two groups of connecting rod 32 assemblies are respectively located on both sides of the pipeline. The upper ends of each group of connecting rod 32 assemblies are respectively connected to the two ends of the first telescopic cross bar 31. The distance between the two groups of connecting rod 32 assemblies is adjusted by the first telescopic cross bar 31; the two second telescopic cross bars 33 are both arranged horizontally and spaced apart, and are both connected between the two groups of connecting rod 32 assemblies and are located at the ends of the connecting rod 32 groups. At the lower end of the component, a second telescopic crossbar 33 is arranged parallel to the first telescopic crossbar 31. The lower ends of one set of connecting rod 32 assemblies are fixedly connected to one end of the two second telescopic crossbars 33, and the lower ends of another set of connecting rod 32 assemblies are slidably connected to the other ends of the two second telescopic crossbars 33, with the sliding direction being along the axis of the second telescopic crossbar 33. The second telescopic crossbar 33 is electrically connected to the electronic control assembly 4 and its operation is controlled by the electronic control assembly 4. Each pair of curved plates 34 are arranged opposite each other to form a clamp around the pipe. The upper ends of the four curved plates 34 are respectively fixedly connected to the two second telescopic crossbars 33 near the two ends. The distance between the two curved plates 34 connected to a set of second telescopic crossbars 33 is adjusted by the second telescopic crossbar 33. In this embodiment, the first telescopic crossbar 31 and the two second telescopic crossbars 33 have the same structure. By extending and retracting the first telescopic crossbar 31, the spacing between the two telescopic rods 22 and the spacing between the two sets of connecting rod 32 assemblies can be adjusted, thereby achieving clamping and position adjustment for pipes of different diameters. Each pair of opposing curved plates 34 forms a clamp around the pipe, thereby gripping and lifting it. The curved shape of the curved plates 34 matches the outer arc of the pipe, increasing the contact area between them and effectively preventing the pipe from slipping off the curved plates 34. The sliding movement of the connecting rod 32 on the second telescopic crossbar 33 is unaffected by the curved plates 34.

[0041] To achieve a better connection between the second telescopic cross bar 33 and the curved plate 34, in some embodiments, refer to Figure 1 、 Figure 3 and Figure 5The four curved plates 34 are provided with sockets 35 at their upper ends, into which bent plates 36 are inserted. The four bent plates 36 are connected to the two second telescopic cross bars 33 respectively. An ear plate structure is provided at the upper end of the curved plates 34, and the sockets 35 are provided on the ear plate. One end of the bent plate 36 is cylindrical and inserted into the sockets 35, and the other end is provided with a sleeve structure. The sleeve structure is sleeved on the second telescopic cross bar 33 and fixedly connected to the second telescopic cross bar 33. By extending and retracting the second telescopic cross bar 33, the spacing between the two sets of relatively arranged curved plates 34 can be adjusted, thereby adapting to the clamping of pipes of different diameters.

[0042] In order to enhance the stability of the four arc-shaped plates 34 and the clamping force on the pipe, in some embodiments, refer to Figure 1 、 Figure 3 and Figure 5 A third telescopic crossbar 37 is connected between the two curved plates 34 located on one side of the pipe. The ends of the two third telescopic crossbars 37 are fixedly connected to the outer walls of the two curved plates 34 via clamps 38. The third telescopic crossbar 37 is axially perpendicular to the second telescopic crossbar 33 and has the same structure. Both are electrically operated telescopic rods in the prior art and can be controlled to adjust the telescopic length. It should be noted that in this embodiment, the third telescopic crossbar 37 does not require telescopic adjustment. If the ends of the four connecting rods 32 are respectively rotatably connected to the first telescopic crossbar 31 and the two second telescopic crossbars 33, and the rotation direction is radially along the two second telescopic crossbars 33 or the first telescopic crossbar 31, the third telescopic crossbar 37 can be telescopically adjusted, that is, it has telescopic adjustment freedom.

[0043] As the above-mentioned alternative embodiment, the two ends of the four connecting rods 32 are rotatably connected to the first telescopic cross bar 31 and the two second telescopic cross bars 33 respectively. At this time, the spacing between the two arc-shaped plates 34 located on each side of the pipeline can be adjusted to adapt to the laying and position adjustment of pipelines of different lengths.

[0044] To increase the contact friction between the curved plate 34 and the pipe, in some embodiments, an anti-skid pad is connected to the inner wall of the curved plate 34, and the anti-skid pad is suitable for contacting the outer wall of the pipe. The anti-skid pad can be connected to the inner wall of the curved plate 34 by bonding or other methods.

[0045] When the mobile body 1 may be overweight or tilted, in some embodiments, refer to Figure 1The water supply and drainage pipe laying device also includes an auxiliary trolley 7 placed inside the trench or on the other side of the upper end of the trench. The upper end of the auxiliary trolley 7 is connected to a second telescopic column 8. The second telescopic column 8 has the same structure as the first telescopic column 5. The auxiliary trolley 7 has the same structure as the mobile body 1, and the upper end of the second telescopic column 8 is suitable for connecting to the other end of the lifting assembly 2. The auxiliary trolley 7 can support the lifting assembly 2, that is, the other end of the crossbeam 21 of the lifting assembly 2 is connected to one side of the upper end of the second telescopic column 8 on the auxiliary trolley 7. The second telescopic column 8 and the first telescopic column 5 can adjust their heights simultaneously, thereby adjusting the height of the lifting assembly 2. When the mobile body 1 needs to move, the auxiliary trolley 7 can be moved at the same time, and the position of the pipeline can be adjusted at this time.

[0046] In some embodiments, see Figure 1 The second telescopic column 8 is electrically connected to the electronic control assembly 4 and its operation is controlled by the electronic control assembly 4. By manipulating the electronic control assembly 4, the second telescopic column 8 can be controlled to extend and retract, thereby adjusting the height of the pipeline. The second telescopic column 8 is also a type of electric telescopic rod in the prior art.

[0047] In some embodiments, see Figure 1-Figure 2 The bottom of the mobile body 1 has running wheels and a drive motor. The drive motor is suitable for driving the running wheels to rotate so as to move the mobile body 1. The drive motor is electrically connected to the electronic control component 4 and its operation is controlled by the electronic control component 4. The arrangement of the running wheels and the drive motor on the mobile body 1 can refer to the existing technology. The drive motor is a motor that can drive the running wheels to rotate after being controlled, thereby driving the mobile body 1 to move. The direction of the mobile body 1 can be controlled by manual adjustment. In this embodiment, the mobile body 1 is a body that can move and brake, and the moving direction is controllable. It is easy to use and the operation of adjusting the position of the pipeline is relatively smooth.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A water supply and drainage pipe laying device, characterized in that: include: The mobile body is placed inside the groove or on one side of the upper end of the groove, and the upper end is connected to a first telescopic column, and the first telescopic column has the freedom of extension and contraction along the height direction of the mobile body; a lifting assembly, one end of which is connected to the upper end of the first telescopic column, the lifting assembly having the freedom to move along the height direction of the mobile body and the width direction of the groove; a clamping assembly connected to the lifting assembly, the clamping assembly being adapted to clamp the pipe to be adjusted in position and to adjust the position by means of the mobile vehicle, the first telescopic column and the lifting assembly; The electric control component is arranged at the upper end of the mobile body, and is electrically connected to the first telescopic column, the lifting component and the clamping component respectively to control the operation thereof.

2. The water supply and drainage pipe laying device according to claim 1, characterized in that: The upper end of the mobile body is connected to a rotating platform, the upper end of the rotating platform has circumferential rotational freedom, the rotating platform is electrically connected to the electronic control component and its operation is controlled by the electronic control component, the bottom end of the first telescopic column is connected to the upper end of the rotating platform, and the rotating platform is suitable for driving the first telescopic column to rotate to adjust the position of the pipeline.

3. The water supply and drainage pipe laying device according to claim 1, characterized in that: The lifting assembly comprises: A crossbeam, one end of which is connected to the side of the first telescopic column and the other end of which is a cantilever end, the crossbeam is arranged horizontally, and the upper end of the crossbeam has a slide rail arranged along the length direction thereof; The two telescopic rods are both vertical and spaced apart, and the upper ends are slidably connected to the slide rail. The telescopic rods have the freedom to extend and retract along the height direction of the mobile vehicle body and the freedom to slide along the length direction of the beam with the help of the slide rail. The two telescopic rods are electrically connected to the electronic control component and their operation is controlled by the electronic control component.

4. The water supply and drainage pipe laying device according to claim 3, characterized in that: The clamping assembly comprises: a first telescopic crossbar, arranged horizontally, with its two ends fixedly connected to the lower ends of the two telescopic rods, the spacing between the two telescopic rods being adjusted by the telescopic crossbar, and the first telescopic crossbar being electrically connected to the electronic control component and its operation being controlled by the electronic control component; Four connecting rods, each two connecting rods are arranged in a herringbone shape, forming two groups of herringbone connecting rod assemblies, the two groups of connecting rod assemblies are respectively located on both sides of the pipeline, the upper end of each group of connecting rod assemblies is respectively connected to the two ends of the first telescopic cross bar, and the distance between the two groups of connecting rod assemblies is adjusted by means of the first telescopic cross bar; Two second telescopic cross bars are horizontally spaced apart and connected between the two groups of connecting rod assemblies and located at the lower ends of the connecting rod assemblies. The second telescopic cross bars are arranged parallel to the first telescopic cross bars. The lower ends of one group of connecting rod assemblies are fixedly connected to one ends of the two second telescopic cross bars, and the lower ends of the other group of connecting rod assemblies are slidably connected to the other ends of the two second telescopic cross bars, and the sliding direction is along the axial direction of the second telescopic cross bars. The second telescopic cross bars are electrically connected to the electronic control assembly and their operation is controlled by the electronic control assembly. Four arc-shaped plates, each two of which are arranged opposite to each other to form a clamp for the pipeline, the upper ends of the four arc-shaped plates are respectively fixedly connected to two second telescopic cross bars near the two ends, and the distance between the two arc-shaped plates connected to a group of the second telescopic cross bars is adjusted with the help of the second telescopic cross bars.

5. The water supply and drainage pipe laying device according to claim 4, characterized in that: The upper ends of the four arc-shaped plates are provided with insertion holes, and bent plates are inserted into the insertion holes. The four bent plates are correspondingly connected to the two second telescopic cross bars.

6. The water supply and drainage pipe laying device according to claim 4, characterized in that: A third telescopic cross bar is connected between the two arc-shaped plates located on one side of the pipeline, and two ends of the two third telescopic cross bars are fixedly connected to the outer walls of the two arc-shaped plates through clamps.

7. The water supply and drainage pipe laying device according to claim 4, characterized in that: The inner wall of the arc-shaped plate is connected with an anti-slip pad, and the anti-slip pad is suitable for contacting the outer wall of the pipeline.

8. The water supply and drainage pipe laying device according to claim 1, characterized in that: The water supply and drainage pipe laying device also includes an auxiliary trolley placed inside the groove or on the other side of the upper end of the groove. The upper end of the auxiliary trolley is connected to a second telescopic column. The second telescopic column has the same structure as the first telescopic column. The auxiliary trolley has the same structure as the mobile body. The upper end of the second telescopic column is suitable for connecting to the other end of the lifting assembly.

9. The water supply and drainage pipe laying device according to claim 8, characterized in that: The second telescopic column is electrically connected to the electronic control component and its operation is controlled by the electronic control component.

10. The water supply and drainage pipe laying device according to claim 1, characterized in that: The bottom of the mobile body is provided with running wheels and a driving motor. The driving motor is suitable for driving the running wheels to rotate so as to move the mobile body. The driving motor is electrically connected to the electronic control component and its operation is controlled by the electronic control component.

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