Water conservancy large-span construction pipeline lowering device and construction method thereof

Abstract

The application relates to a water conservancy large-span construction pipeline lowering device and a construction method thereof, and relates to the technical field of pipeline construction. The device comprises a device bottom plate and a base. The front side and the rear side of the top of the device bottom plate are both rotationally connected with inclined support hanger arms. The top of the two inclined support hanger arms is fixedly connected with support columns. The top of the device bottom plate and the base is covered with a supporting plate. The top of the supporting plate is placed with a water supply pipeline. The top of the device bottom plate is provided with a winding assembly. The device bottom plate, the inclined support hanger arms, the base and the inclined support arms are used in cooperation to provide a support hanger for the water supply pipeline. Then, the water supply pipeline is dragged to reach a designated lowering position through the setting of the winding assembly. Meanwhile, the water supply pipeline is lowered to the designated position through the setting of the winding assembly. The device can achieve the purposes of quick and simple assembly, convenient position adjustment and movement, and stable and convenient lowering.

Description

Technical Field

[0001] This application relates to the field of pipeline construction technology, and in particular to a device for lowering a large-span hydraulic pipeline and its construction method. Background Technology

[0002] Water supply and drainage pipeline engineering is a pipeline (channel) system engineering in water conservancy projects that transports and distributes industrial water supply and domestic drinking water, and collects, transports and discharges industrial wastewater, domestic sewage and rainwater. Water supply and drainage pipeline engineering is an integral part of the water supply and drainage system and plays an important role in the entire water supply and drainage system. It includes the pipeline (channel) system itself and various structures on the pipeline (channel) system (such as pumping stations, reservoirs, pipe bridges, gate wells, sewage inspection wells, rainwater inlets, etc.).

[0003] The installation methods for water conservancy pipelines are mainly three: manual rope-pressing pipe laying, tripod pipe laying, and mechanical pipe laying. When laying pipes with ropes, the traction force generated by the pipe is strong, and the user has to exert a lot of effort. At the same time, the process of disassembling and assembling the tripod takes a lot of time, resulting in low work efficiency. Mechanical pipe laying is affected by the construction environment and its application scenarios are limited.

[0004] Therefore, it is necessary to provide a device and construction method for lowering pipelines in large-span water conservancy construction. The method uses a gantry to lower the pipeline, which is electrically dragged to the designated position and then hoisted down, saving labor and improving construction efficiency. Summary of the Invention

[0005] To address the existing technical problems, this application provides a device for lowering pipelines for large-span water conservancy construction and a construction method thereof.

[0006] This application provides a hydraulic conservancy long-span construction pipeline lowering device and its construction method, adopting the following technical solution: A hydraulic conservancy long-span construction pipeline lowering device and its construction method include a device base plate and a base. The front and rear sides of the top of the device base plate are rotatably connected to inclined support booms. Support columns are fixedly connected to the tops of the two inclined support booms. A support plate covers the top of the device base plate and the base. A water supply pipe is placed on the top of the support plate. A winding assembly is provided on the top of the device base plate. The winding assembly includes components fixedly installed on the device base plate. The top of the equipment base plate has a stepper motor, and four support frames are fixedly connected to the top of the equipment base plate. A rotating column is installed through the back surface of the rear support frame. The rotating column is rotatably connected to the four support frames through bearings. Winches are fixedly connected to the front and rear sides of the rotating column surface. A double gear is fixedly connected to the output shaft of the stepper motor at the center of the rotating column surface. The two double gears are connected by chain drive. A hoisting rope is wound around the surface of the winch. The hoisting rope is sleeved on the surface of the water supply pipe. A tilt adjustment component is installed on the top of the equipment base plate.

[0007] Preferably, the end of the hoisting rope away from the winch is fixedly connected to a steel cable buckle, and a hoisting pulley is rotatably connected to the surface of the support column, with the hoisting rope sleeved on the surface of the hoisting pulley.

[0008] By adopting the above technical solution and using the steel cable buckle, users can quickly and easily attach the lifting rope to the surface of the water supply pipe and fix it, thereby improving the efficiency of users in disassembling and assembling the water supply pipe.

[0009] Preferably, the tilt adjustment assembly includes a rectangular slide groove formed on the top of the equipment base plate, a displacement slide plate is slidably connected to the inner cavity of the rectangular slide groove, a threaded rod is rotatably connected to the inner cavity of the rectangular slide groove, the displacement slide plate is threadedly connected to the surface of the threaded rod, and the right end of the threaded rod extends through to the right side of the equipment base plate.

[0010] Preferably, the left end of the threaded rod is rotatably connected to the rectangular slide groove via a bearing, and the right end of the threaded rod extends through to the right side of the equipment base plate and is fixedly connected to a handle.

[0011] Preferably, the front and rear sides of the rectangular slide groove are provided with limiting slide grooves that are adapted to the displacement slide plate.

[0012] Preferably, the front and rear sides of the top of the displacement slide are rotatably connected to diagonal bracing short arms, the surface of the diagonal bracing arm is fixedly connected to a fixing sleeve, and the top end of the diagonal bracing short arm is rotatably connected to the fixing sleeve.

[0013] By adopting the above technical solution, and through the setting of the tilt adjustment component, the combined use of the threaded rod and the displacement slide plate plays a role in pushing the bottom of the diagonal brace short arm left and right, thereby allowing the diagonal brace short arm to rotate with its connection point with the diagonal brace boom as the rotation center, and finally the tilt angle of the diagonal brace boom can be adjusted.

[0014] Preferably, the top of the base is rotatably connected to a diagonal brace, and the right side of the diagonal brace is provided with multiple arc-shaped slots. The front and rear sides of the top of the support column are provided with annular slots that are adapted to the arc-shaped slots.

[0015] By adopting the above technical solution, the combined use of the inclined brace, arc-shaped groove and annular groove provides oblique support for the inclined brace boom, thereby improving the support stability of the lowering equipment.

[0016] Preferably, the surface of the diagonal brace is fitted with a slidable pad, and the left side of the pad has a guide groove adapted to the diagonal brace.

[0017] By adopting the above technical solution and setting the pad, the water supply pipe can smoothly roll at the top of the inclined support arm, which makes it convenient for the user to move the water supply pipe from the top of the inclined support arm to the top of the support plate without the user having to adjust the installation position of the water supply pipe with a pry bar or manpower.

[0018] Preferably, both the front and back surfaces of the inclined support arm are fixedly connected to anti-detachment guide rails, and one side of the inner cavity of the guide groove is provided with an anti-detachment groove that matches the anti-detachment guide rail.

[0019] A hydraulic pipeline lowering device for long-span construction, the construction method of which is as follows: First, before use, the user moves the base plate of the device to the ground above the edge of the pre-excavated trench, so that the water supply pipeline moves to the side of the ground above the trench away from the base plate of the device, waiting to be dragged. Then, the user rotates the threaded rod. During the rotation, the threaded rod drives the displacement slide plate to rotate through its surface threads, so that the displacement slide plate slides in the inner cavity of the rectangular chute and drives the bottom end of the inclined support arm to move, thereby causing the tilt angle of the inclined support arm to move, so that the top of the inclined support arm is kept as vertical as possible to the top of the center of the trench.

[0020] 2. The user then places the pallet on top of the equipment base plate and the base, flips the diagonal support arm to the left so that the diagonal support arm is placed on the ground, and slides the pad to the left so that the pad covers the left end of the diagonal support arm. To ensure the stability of the equipment base plate when in use, in addition to the weight of the top structure of the equipment base plate pressing and counterweighting the equipment base plate, the user can add additional weights on the right side of the top of the pallet or on the top of the equipment base plate as needed. Then, the user wraps the lifting rope around the surface of the water supply pipe, and after the lifting rope has been wrapped around the water supply pipe once, it is fastened to the surface of the water supply pipe with a steel cable buckle.

[0021] 3. Turn on the stepper motor. The stepper motor drives the rotating column to rotate through the cooperation of two double gears and a chain. During the rotation of the rotating column, the winch rotates and winds up the hoisting rope. During the winding process, the hoisting rope drags the water supply pipe to move, so that the water supply pipe passes over the top of the pad and reaches the center of the top of the tray. Then, the user rotates the diagonal support arm to engage the arc-shaped slot with the inner cavity of the annular slot. During the engagement process, the user can also adjust the tilt angle of the diagonal support arm through the above operation steps to make the arc-shaped slot and the annular slot engage stably.

[0022] Fourth, the user continues to wind up the hoisting rope. Guided by the hoisting pulley, the water supply pipe is lifted upward and detached from the top of the support plate. At this point, the user pulls the support plate away and controls the stepper motor to rotate in the opposite direction, so that the winch releases the hoisting rope, allowing the water supply pipe to be lowered until the bottom of the water supply pipe contacts the bottom of the trench cavity. Then, the user can remove the steel cable buckle from the surface of the hoisting rope.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] This invention provides a support frame for water supply pipelines through the coordinated use of a base plate, a diagonal brace arm, a base, and the diagonal brace arm. Then, a winding assembly is used to drag the water supply pipeline to the designated lowering position. Simultaneously, the winding assembly lowers the water supply pipeline to the designated location. This achieves quick and easy assembly, convenient repositioning and movement, and stable and convenient lowering. It solves the problems of strong traction forces generated by the pipeline during rope lowering, requiring significant effort from the user, and the time-consuming process of assembling and disassembling tripods, resulting in low work efficiency. Furthermore, the mechanical pipe lowering method is limited by the construction environment and its application scenarios. Attached Figure Description

[0025] Figure 1 This is a front view schematic diagram of the structure of the present invention.

[0026] Figure 2 This is the structure of the present invention. Figure 1 A magnified view of point A in the middle.

[0027] Figure 3 This is a schematic diagram of the drag-and-drop construction of the structure of this invention.

[0028] Figure 4 This is a three-dimensional exploded view of the structural base, diagonal brace, and pad of the present invention.

[0029] Figure 5 This is a three-dimensional schematic diagram of the base plate, winding assembly, tilt adjustment assembly, and diagonal bracing boom of the structural equipment of this invention.

[0030] Figure 6 This is a three-dimensional schematic diagram of the base plate, winding assembly, and tilt adjustment assembly of the structural equipment of the present invention.

[0031] Figure 7 This is an exploded view of the base plate, winding assembly, and tilt adjustment assembly of the structural equipment of the present invention.

[0032] Explanation of reference numerals in the attached drawings: 1. Equipment base plate; 2. Diagonal brace boom; 3. Winding assembly; 31. Stepper motor; 32. Support frame; 33. Rotating column; 34. Winch; 35. Double gear; 36. Lifting rope; 37. Steel cable buckle; 38. Lifting pulley; 4. Support column; 5. Tilt adjustment assembly; 51. Rectangular slide; 52. Displacement slide plate; 53. Limiting slide; 54. Threaded rod; 55. Diagonal brace short arm; 56. Fixing sleeve; 6. Base; 7. Support plate; 8. Water supply pipe; 9. Diagonal brace arm; 10. Arc-shaped slot; 11. Annular slot; 12. Pad; 13. Guide slide; 14. Anti-detachment guide rail; 15. Anti-detachment slide. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail. Example

[0034] Combination Figure 1-7This application discloses a device and construction method for lowering a large-span hydraulic pipeline, including a base plate 1 and a base 6. A diagonal support arm 9 is rotatably connected to the top of the base 6. Anti-detachment guide rails 14 are fixedly connected to both the front and back surfaces of the diagonal support arm 9. Anti-detachment grooves 15, adapted to the anti-detachment guide rails 14, are provided on one side of the inner cavity of the guide groove 13. A slidable pad 12 is fitted onto the surface of the diagonal support arm 9. A guide groove 13, adapted to the diagonal support arm 9, is provided on the left side of the pad 12. The pad 12 allows the water supply pipeline 8 to roll smoothly on the top of the diagonal support arm 9, thus facilitating... To allow users to move the water supply pipe 8 from the top of the diagonal support arm 9 to the top of the support plate 7, the installation position of the water supply pipe 8 does not need to be adjusted by the user using a pry bar or manual labor. Multiple arc-shaped slots 10 are provided on the right side of the diagonal support arm 9, and annular slots 11 that match the arc-shaped slots 10 are provided on the front and rear sides of the top of the support column 4. Through the coordinated use of the diagonal support arm 9, the arc-shaped slots 10, and the annular slots 11, the diagonal support arm 2 provides diagonal support, thereby improving the support stability of the lowering equipment. The front and rear sides of the top of the equipment base plate 1 are rotatably connected to the diagonal support arm 2. The two diagonal support arms... A support column 4 is fixedly connected to the top of the equipment base plate 1 and the base 6. A tray 7 is covered on the top of the equipment base plate 1 and the base 6. A water supply pipe 8 is placed on the top of the tray 7. A winding assembly 3 is provided on the top of the equipment base plate 1. The winding assembly 3 includes a stepper motor 31 fixedly installed on the top of the equipment base plate 1. Four support frames 32 are fixedly connected to the top of the equipment base plate 1. A rotating column 33 is provided through the back surface of the rear support frame 32. The rotating column 33 is rotatably connected to the four support frames 32 through bearings. A winch 34 is fixedly connected to the front and rear sides of the rotating column 33. The center of the rotating column 33 is connected to the stepper motor 31. The output shafts are all fixedly connected to double gears 35, and the two double gears 35 are connected by chain drive. The surface of the winch 34 is wound with a hoisting rope 36. The end of the hoisting rope 36 away from the winch 34 is fixedly connected to a steel cable buckle 37. The surface of the support column 4 is rotatably connected to a hoisting pulley 38. The hoisting rope 36 is sleeved on the surface of the hoisting pulley 38. The setting of the steel cable buckle 37 makes it convenient for users to quickly put the hoisting rope 36 on the surface of the water supply pipe 8 and fix it, thereby improving the user's efficiency in disassembling and assembling the water supply pipe 8. The top of the equipment base plate 1 is equipped with an angle adjustment component 5. Example

[0035] Combination Figure 1-7The tilt adjustment assembly 5 includes a rectangular slide 51 formed on the top of the equipment base plate 1. A displacement slide plate 52 is slidably connected to the inner cavity of the rectangular slide 51. A threaded rod 54 is rotatably connected to the inner cavity of the rectangular slide 51. The displacement slide plate 52 is threadedly connected to the surface of the threaded rod 54. The right end of the threaded rod 54 extends through to the right side of the equipment base plate 1, and the left end of the threaded rod 54 is rotatably connected to the rectangular slide 51 via a bearing. The right end of the threaded rod 54 extends through to the right side of the equipment base plate 1 and is fixedly connected to a handle. The front and rear sides of the inner cavity of the rectangular slide 51 are provided with openings for the displacement slide plate 52. The corresponding limiting slide 53 and the front and rear sides of the top of the displacement slide plate 52 are rotatably connected to the diagonal bracing short arm 55. The surface of the diagonal bracing arm 2 is fixedly connected to the fixing sleeve 56. The top of the diagonal bracing short arm 55 is rotatably connected to the fixing sleeve 56. Through the setting of the tilt angle adjustment component 5, the threaded rod 54 and the displacement slide plate 52 work together to push the bottom of the diagonal bracing short arm 55 left and right. This allows the diagonal bracing short arm 55 to rotate with its connection point with the diagonal bracing arm 2 as the rotation center, and finally the tilt angle of the diagonal bracing arm 2 can be adjusted.

[0036] A device for lowering pipelines in large-span water conservancy construction, the construction method of which is as follows:

[0037] 1. Before use, the user first moves the equipment base plate 1 to the ground above the pre-dug trench, so that the water supply pipe 8 moves to the side of the ground above the trench away from the equipment base plate 1, and waits to be dragged. Then the user rotates the threaded rod 54. During the rotation, the threaded rod 54 drives the displacement slide plate 52 to rotate through its surface threads, so that the displacement slide plate 52 slides in the inner cavity of the rectangular slide groove 51 and drives the bottom end of the diagonal brace short arm 55 to move, thereby causing the tilt angle of the diagonal brace arm 2 to move, so that the top of the diagonal brace arm 2 is kept as vertical as possible to the top of the center of the trench.

[0038] Second, the user then places the pallet 7 on top of the equipment base plate 1 and the base 6, flips the diagonal support arm 9 to the left so that the diagonal support arm 9 is placed on the ground, and slides the pad 12 to the left so that the pad 12 covers the left end of the diagonal support arm 9. In order to ensure the stability of the equipment base plate 1 when the user is using it, in addition to the weight of the top structure of the equipment base plate 1 pressing and counterweighting the equipment base plate 1, the user can add another weight on the right side of the top of the pallet 7 or on the top of the equipment base plate 1 as needed. Then, the user wraps the suspension rope 36 around the surface of the water supply pipe 8, and after the suspension rope 36 has been wrapped around the water supply pipe 8 once, it is fastened to the surface of the water supply pipe 8 by the steel cable buckle 37.

[0039] 3. Turn on the stepper motor 31. The stepper motor 31 drives the rotating column 33 to rotate through the cooperation of two double gears 35 and the chain. During the rotation of the rotating column 33, the winch 34 is driven to rotate and the hoisting rope 36 is wound up. During the winding process, the hoisting rope 36 drags the water supply pipe 8 to move, so that the water supply pipe 8 passes the top of the pad plate 12 and reaches the center of the top of the support plate 7. Then the user rotates the inclined support arm 9 to engage the arc-shaped slot 10 in the inner cavity of the annular slot 11. During the engagement process, the user can also adjust the tilt angle of the inclined support arm 2 through the above operation steps to make the arc-shaped slot 10 and the annular slot 11 engage stably.

[0040] Fourth, the user continues to wind up the hoisting rope 36. Under the guidance of the hoisting pulley 38, the water supply pipe 8 is lifted upward and detached from the top of the support plate 7. At this time, the user pulls the support plate 7 away and controls the stepper motor 31 to rotate in the opposite direction, so that the winch 34 releases the hoisting rope 36, and then the water supply pipe 8 is lowered until the bottom of the water supply pipe 8 contacts the bottom of the inner cavity of the trench. Then the user can remove the steel cable buckle 37 from the surface of the hoisting rope 36.

[0041] In summary, this hydraulic large-span construction pipeline lowering equipment and its construction method, through the coordinated use of the equipment base plate 1, the inclined support arm 2, the base 6, and the inclined support arm 9, provides a support frame for the water supply pipeline 8. Subsequently, through the setting of the winding component 3, the water supply pipeline 8 is dragged to the designated lowering position. At the same time, through the setting of the winding component 3, the water supply pipeline 8 is lowered to the designated position. This achieves the purpose of quick and simple assembly, convenient adjustment and movement, and stable and convenient lowering. It solves the problems of strong traction force generated by the pipeline during rope lowering, which requires a lot of effort from the user, and the time spent in the process of disassembling and assembling the tripod, resulting in low work efficiency. It also addresses the limitations of mechanical pipeline lowering due to the influence of the construction environment and the application scenarios.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A water conservancy large-span construction pipeline lowering device, characterized in that: The utility model provides a device bottom plate (1) and base (6) are included, the front side and rear side of top of device bottom plate (1) are rotated to be connected with inclined support boom (2), and the top of two inclined support boom (2) is fixedly connected with support column (4), and the top of device bottom plate (1) and base (6) is covered with supporting plate (7), and the top of supporting plate (7) places water supply pipeline (8), and the top of device bottom plate (1) is provided with winding assembly (3), and winding assembly (3) includes fixedly installed step motor (31) of device bottom plate (1) top, and the top of device bottom plate (1) is fixedly connected with four support frames (32), and the back surface of rear side support frame (32) is provided with rotating column (33) through, and rotating column (33) is rotatably connected with four support frames (32) through bearing, and the front side and rear side of rotating column (33) surface are fixedly connected with winch (34), and the center of rotating column (33) surface is fixedly connected with double gear (35) with the output shaft of step motor (31), and two double gear (35) are driven connection through chain, and the surface of winch (34) is wound with sling (36), and sling (36) is sleeved on the surface of water supply pipeline (8), and the top of device bottom plate (1) is provided with inclination angle adjusting assembly (5), and the top of base (6) is rotatably connected with inclined support arm (9), and the right side of inclined support arm (9) is provided with a plurality of arc clamping groove (10), and the front side and rear side of support column (4) top are provided with annular clamping groove (11) with arc clamping groove (10) is matched, and the surface of inclined support arm (9) is sleeved with the slideable backing plate (12), and the left side of backing plate (12) is provided with guide sliding slot (13) with inclined support arm (9) is matched, and the front surface and back surface of inclined support arm (9) are fixedly connected with anti -drop guide rail (14), and the inside chamber of guide sliding slot (13) is provided with anti -drop sliding slot (15) with anti -drop guide rail (14) is matched on one side.

2. The water conservancy large-span construction pipeline lowering device according to claim 1, characterized in that: The end of sling (36) away from winch (34) is fixedly connected with steel cable buckle (37), and the surface of support column (4) is rotatably connected with sling pulley (38), and sling (36) is sleeved on the surface of sling pulley (38).

3. The water conservancy large-span construction pipeline lowering device according to claim 2, characterized in that: The inclination angle adjusting assembly (5) includes a rectangular sliding slot (51) formed in the top of the device bottom plate (1), a displacement sliding plate (52) slidably connected in the inner cavity of the rectangular sliding slot (51), a threaded rod (54) rotatably connected in the inner cavity of the rectangular sliding slot (51), the displacement sliding plate (52) threadedly connected to the surface of the threaded rod (54), and the right end of the threaded rod (54) penetrating to the right side of the device bottom plate (1).

4. The water conservancy large-span construction pipeline lowering device according to claim 3, characterized in that: The left end of the threaded rod (54) is rotatably connected to the rectangular sliding slot (51) through a bearing, and the right end of the threaded rod (54) penetrates to the right side of the device bottom plate (1) and is fixedly connected with a handle.

5. The water conservancy large-span construction pipeline lowering device according to claim 4, characterized in that: The front side and rear side of the inner cavity of the rectangular sliding slot (51) are provided with limiting sliding slots (53) matched with the displacement sliding plate (52).

6. The water conservancy large-span construction pipeline lowering device according to claim 5, characterized in that: The front side and the rear side of the top of the displacement sliding plate (52) are rotationally connected with the diagonal bracing short arms (55), the surface of the diagonal bracing cantilever arm (2) is fixedly connected with the fixed sleeve (56), and the top end of the diagonal bracing short arm (55) is rotationally connected with the fixed sleeve (56).

7. A construction method of a water conservancy large-span construction pipeline lowering device, which is applied to the water conservancy large-span construction pipeline lowering device according to any one of claims 1-6, characterized in that, The construction method is as follows: I. Before use, the user first moves the equipment base plate (1) to the edge ground above the trench dug in advance, and moves the water supply pipeline (8) to the ground above the trench away from the equipment base plate (1) side, waits for dragging, and then rotates the threaded rod (54). The threaded rod (54) drives the displacement sliding plate (52) to rotate in the process of rotation through the surface thread, so that the displacement sliding plate (52) slides in the rectangular sliding groove (51) while driving the bottom end of the diagonal bracing short arm (55) to displace, and then the inclination angle of the diagonal bracing cantilever arm (2) is displaced, and the top end of the diagonal bracing cantilever arm (2) is kept as vertical as possible above the center of the trench; II. Then the user places the supporting plate (7) on the top of the equipment base plate (1) and the base (6), turns the diagonal bracing arm (9) to the left side, so that the diagonal bracing arm (9) is placed on the ground and slides the pad (12) to the left side, so that the pad (12) covers the left end of the diagonal bracing arm (9). In order to ensure the stability of the equipment base plate (1) during use, in addition to the mass of the structure on the top of the equipment base plate (1) being used as counterweight to press and fit the equipment base plate (1), the user can also add weights on the right side of the top of the supporting plate (7) or on the top of the equipment base plate (1) according to the need, then the user winds the lifting rope (36) around the surface of the water supply pipeline (8), and after winding the lifting rope (36) around the water supply pipeline (8) for one turn, the steel cable buckle (37) is buckled on the surface of the water supply pipeline (8); III. Turn on the step motor (31), the step motor (31) drives the rotating column (33) to rotate through the cooperation of the two double gears (35) and the chain, and the rotating column (33) drives the winch (34) to rotate and winds the lifting rope (36) in the process of rotation. The lifting rope (36) is wound in the process of dragging the water supply pipeline (8) to displace, so that the water supply pipeline (8) passes through the top of the pad (12) and reaches the center of the top of the supporting plate (7). Then the user rotates the diagonal bracing arm (9), and the arc-shaped clamping groove (10) is clamped in the inner cavity of the annular clamping groove (11). In the clamping process, the user can also adjust the inclination angle of the diagonal bracing cantilever arm (2) through the above operation steps, so that the arc-shaped clamping groove (10) and the annular clamping groove (11) are stably clamped; IV. Then the user continues to wind the lifting rope (36), under the guidance of the lifting pulley (38), the water supply pipeline (8) is lifted upwards and separated from the top of the supporting plate (7). At this time, the user removes the supporting plate (7), and controls the step motor (31) to rotate in the opposite direction, so that the winch (34) releases the lifting rope (36), and then the water supply pipeline (8) is lowered until the bottom of the water supply pipeline (8) contacts the bottom of the trench inner cavity, and then the user removes the steel cable buckle (37) from the surface of the lifting rope (36).

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