Pipe laying and paying-off device applied to water conservancy construction

By designing a drive and guidance mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism, the problems of instability and complex reinforcement of guide components in water conservancy construction were solved, achieving precise positioning and efficient stabilization of the pipeline, and improving construction efficiency and safety.

CN223866063UActive Publication Date: 2026-02-03FUJIAN JINTAILONG WATER CONSERVANCY POWER CONSTR CO LTD
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Patent Information

Application Number
CN202520638454.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-03
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

In existing water conservancy construction, the guide components of the pipe laying device are unstable, causing the pipe to shake, deviate or get stuck during the laying process, affecting construction efficiency and accuracy. At the same time, the reinforcement mechanism is complicated and inconvenient to install, disassemble and adjust.

Method used

It employs a drive and guide mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism, including components such as a bidirectional motor, lead screw, threaded sleeve, support rod, diagonal support rod, snap-fit ​​tube, and snap-fit ​​rod, to achieve precise positioning and stable fixation. The operation steps are simplified through the cooperation of motor drive, spring plate, and return spring.

Benefits of technology

It improves the stability and accuracy of pipeline laying, simplifies the installation and dismantling process, enhances construction efficiency and safety, and strengthens the load-bearing capacity and seismic performance of the equipment.

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Abstract

The utility model discloses a pipe laying pay-off device applied to water conservancy construction, which comprises a frame, a driving guide mechanism, a reinforcing support mechanism and a clamping auxiliary mechanism, and the driving guide mechanism comprises a bidirectional motor, a lead screw, a threaded sleeve, a support moving rod, an inclined support rod and a driving wheel assembly. The reinforcing and supporting mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a spring plate, an unlocking sleeve, a sliding rod, a sliding sleeve and a reset spring, the movement direction and position of the equipment can be accurately controlled through a driving and guiding mechanism composed of a bidirectional motor, a lead screw, a threaded sleeve, a supporting and moving rod, an inclined supporting rod and the like, the motor drives the lead screw to rotate, the threaded sleeve is driven to slide along the frame, and therefore the equipment can be fixed. Through the design of components such as a clamping pipe, a clamping rod, a clamping groove, a spring plate and an unlocking sleeve, the reinforcing and supporting mechanism can effectively enhance the stability of the device in the construction process, and looseness under the action of external force is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of water conservancy construction technology, and more specifically, it relates to a pipe laying and setting device used in water conservancy construction. Background Technology

[0002] In existing technologies, many pipe laying devices used in water conservancy construction can effectively complete the pipeline laying work, but there are still some prominent problems in actual use. In particular, in the design of the guide components, there is an unstable phenomenon of moving supports inside the pipeline, which directly affects the construction efficiency and the accuracy of pipeline laying.

[0003] Guide components play a crucial role in hydraulic engineering construction, guiding and supporting the stable movement of pipelines along a predetermined path during installation. However, current guide components often employ relatively simple support structures, lacking necessary stability. In practice, when the pipeline moves within the guide component, insufficient support points or improper support methods frequently lead to pipeline swaying, deviation, or jamming. This unstable movement results in inaccurate pipeline placement, affecting the smooth progress of the entire pipe laying process and potentially causing pipeline damage or construction safety hazards.

[0004] Current reinforcement mechanisms are often designed to be quite complex, making their installation, disassembly, and adjustment processes inconvenient. Workers need to spend a lot of time and energy on installation and disassembly, especially in confined working environments where it is even more difficult to operate. In addition, the adjustment of reinforcement components is not convenient and may require specialized tools or equipment, or even repeated manual adjustments to achieve the desired reinforcement effect. This is particularly unsuitable for high-efficiency construction. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the problems existing in the prior art, this utility model provides a buried pipe laying device for water conservancy construction, so as to solve the technical problems mentioned in the background art, such as the unstable movement support of the guide component in the pipeline, the lack of reinforcement function, and the inconvenience of reinforcement installation, disassembly and adjustment.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a pipe laying device for water conservancy construction, comprising a frame, a drive and guide mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism. The drive and guide mechanism includes a bidirectional motor, a lead screw, a threaded sleeve, a support rod, a diagonal brace, and a drive wheel assembly. The bidirectional motor is fixedly installed between the frames, the lead screw is installed at the output end of the bidirectional motor, the threaded sleeve is directionally slidably installed on the frame, and the threaded sleeve is threadedly connected to the lead screw. The two ends of the support rod are rotatably connected to the sides of the threaded sleeve and the diagonal brace. One end of the rod is rotatably connected to the frame, and the drive wheel assembly is installed at one end of the diagonal brace. The reinforcement support mechanism includes a locking tube, a locking rod, a locking groove, a spring plate, an unlocking sleeve, a sliding rod, a sliding sleeve, and a return spring. The locking groove is set on the side wall of the locking rod, the sliding sleeve is slidably installed on the outer wall of the locking tube, the sliding rod is longitudinally slidably installed on the side wall of the locking tube, the spring plate is installed on the inner wall of the locking tube and extends into the locking groove, the unlocking sleeve connected to one end of the sliding rod is longitudinally slidably installed on the inner wall of the locking tube, and the return spring is installed between the inner wall of the locking tube and the unlocking sleeve.

[0009] The present invention is further configured such that the locking auxiliary mechanism includes a rotating sleeve, a rotary push plate, a push plate, a rotating block, a tightening block, and a tightening spring. The rotating sleeve is rotatably mounted on the outer wall of the locking tube. The rotary push plate is mounted on the top end of the rotating sleeve. The push plate is mounted on the bottom end of the sliding sleeve. The rotating rotary push plate pushes the sliding sleeve and the push plate to move longitudinally, thereby driving the sliding rod and the unlocking sleeve to push the spring plate away from the locking groove. The rotating block is mounted on the bottom end of the rotating sleeve. Multiple sets of tightening blocks are arranged in a radial sliding configuration on the outer wall of the locking tube. The tightening spring is installed between adjacent tightening blocks. The tightening blocks press against the outer end of the rotating block, so that the rotating sleeve rotates stably.

[0010] The present invention is further configured such that the frame and the drive guide mechanism are symmetrically arranged, and a reinforcing plate is connected between adjacent diagonal braces. By adding the reinforcing plate, the device can better withstand external forces and ensure stability during operation.

[0011] The present invention is further configured such that the reinforcing plate is provided with a snap-fit ​​groove, and multiple sets of snap-fit ​​grooves are provided, and the snap-fit ​​grooves are symmetrically arranged. The multiple sets of snap-fit ​​grooves ensure reliable connection at different positions.

[0012] The present invention is further configured such that a connecting plate is installed at the bottom of the side wall of the clamping tube, and the tightening block is slidably mounted on the connecting plate in a radial manner. The connecting plate can connect the clamping tube to other components to ensure stability.

[0013] The present invention is further configured such that the snap-fit ​​rod can pass through different snap-fit ​​slots and pass through the diagonal brace and snap-fit ​​tube for quick snap-fit ​​setting, so that the two sets of diagonal braces are relatively fixed.

[0014] The present invention is further configured such that a stabilizing spring is installed on the inner wall of the clamping tube, and one end of the clamping rod can extend into the clamping tube to compress the stabilizing spring. The stabilizing spring on the inner wall of the clamping tube can effectively compress one end of the clamping rod, thereby enhancing the fixing ability of the device and preventing loosening during high-intensity work.

[0015] The present invention is further configured such that a fixed pipe block is installed at one end of the frame, and one end of the external pipeline is connected to the fixed pipe block and guided thereon, so as to ensure that the external pipeline maintains a stable and accurate position in the device and prevents displacement during construction.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a pipe laying device for water conservancy construction, which has the following beneficial effects:

[0018] This utility model is equipped with a drive and guide mechanism, which consists of a bidirectional motor, a lead screw, a threaded sleeve, a support rod, and a diagonal brace. The drive and guide mechanism can precisely control the movement direction and position of the equipment. The motor drives the lead screw to rotate, which in turn drives the threaded sleeve to slide along the frame, thereby realizing directional guidance and precise positioning during the pipeline laying process. The design of the diagonal brace and drive wheel assembly enhances the stability and mechanical performance of the drive system, ensuring that the equipment is stable and not prone to deviation during operation.

[0019] This utility model incorporates a reinforcement support mechanism. Through the design of components such as clamping pipes, clamping rods, clamping grooves, spring plates, and unlocking sleeves, the reinforcement support mechanism effectively enhances the stability of the device during construction and prevents loosening under external forces. The combination of the spring plate and the return spring ensures safety and operability under different working conditions and reduces the risk of damage to the clamping parts. The reinforcement plate enables the frame to withstand more external pressure, thereby improving the load-bearing capacity and seismic performance of the device during operation.

[0020] This invention features a snap-fit ​​auxiliary mechanism. The cooperation of the rotating sleeve and the rotary push plate easily pushes the sliding sleeve and the unlocking sleeve, allowing the spring plate to quickly disengage from the slot, thus enabling convenient disassembly and adjustment of the snap-fit. This design simplifies the operation steps, improves construction efficiency, and the coordinated action between the tightening block and the tightening spring enhances the stability of the rotating sleeve, preventing unstable snap-fit ​​during operation and ensuring the accuracy and safety of the device during construction. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the device in the unused state of this utility model;

[0022] Figure 2 This is a schematic diagram of the drive and guidance mechanism in this utility model;

[0023] Figure 3 This is a schematic diagram of the reinforcing support mechanism in this utility model;

[0024] Figure 4 This is a schematic diagram of the reinforcing support mechanism and the snap-fit ​​auxiliary mechanism in this utility model;

[0025] Figure 5 This is a schematic diagram of the internal structure of the reinforcing support mechanism and the snap-fit ​​auxiliary mechanism in this utility model.

[0026] In the diagram: 1. Frame; 2. Bidirectional motor; 3. Lead screw; 4. Threaded sleeve; 5. Support rod; 6. Diagonal brace; 7. Drive wheel assembly; 8. Connecting tube; 9. Connecting rod; 10. Connecting slot; 11. Spring plate; 12. Unlocking sleeve; 13. Sliding rod; 14. Sliding sleeve; 15. Return spring; 16. Rotating sleeve; 17. Rotating push plate; 18. Push plate; 19. Rotating block; 20. Tightening block; 21. Tightening spring; 22. Reinforcing plate; 23. Connecting slot; 24. Connecting plate; 25. Stabilizing spring; 26. Fixed tube block. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0029] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0030] Please see Figures 1-5A pipe laying device for water conservancy construction includes a frame 1, a drive and guide mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism. The drive and guide mechanism includes a bidirectional motor 2, a lead screw 3, a threaded sleeve 4, a support rod 5, a diagonal brace 6, and a drive wheel assembly 7. The bidirectional motor 2 is fixedly installed between the frames 1. The lead screw 3 is installed at the output end of the bidirectional motor 2. The threaded sleeve 4 is slidably installed on the frame 1 and threadedly connected to the lead screw 3. The two ends of the support rod 5 are rotatably connected to the sides of the threaded sleeve 4 and the diagonal brace 6. One end of the diagonal brace 6 is rotatably connected to the frame 1. The drive wheel assembly 7 is installed on the diagonal brace 6. One end of the support rod 6 has a reinforcement support mechanism including a locking tube 8, a locking rod 9, a locking groove 10, a spring plate 11, an unlocking sleeve 12, a sliding rod 13, a sliding sleeve 14, and a return spring 15. The locking groove 10 is located on the side wall of the locking rod 9. The sliding sleeve 14 is slidably installed on the outer wall of the locking tube 8. The sliding rod 13 is slidably installed longitudinally on the side wall of the locking tube 8. The spring plate 11 is installed on the inner wall of the locking tube 8 and extends into the locking groove 10. The unlocking sleeve 12, which is connected to one end of the sliding rod 13, is slidably installed longitudinally on the inner wall of the locking tube 8. The return spring 15 is installed between the inner wall of the locking tube 8 and the unlocking sleeve 12.

[0031] In this embodiment, the drive and guidance mechanism achieves precise guidance and movement control of the pipeline. The bidirectional motor 2 drives the threaded sleeve 4 to slide in a directional manner through the lead screw 3. The support rod 5 connects the threaded sleeve 4 and the diagonal support rod 6 to form a motion transmission mechanism. One end of the diagonal support rod 6 is rotatably connected to the frame 1, and the other end is equipped with a drive wheel assembly 7. After the drive wheel assembly 7 supports the inner wall, adjacent diagonal support rods 6 are connected by a reinforcing plate 22 with multiple sets of snap-fit ​​grooves 23 to enhance the overall structural stability. The pipe fixing block 26 at the end of the frame 1 is used to connect and guide external pipelines and reinforce the support. The support mechanism provides a reliable position fixing function. A spring plate 11 is installed on the inner wall of the locking tube 8, which can be inserted into the slot 10 on the side wall of the locking rod 9 to achieve locking. The sliding sleeve 14 slides on the outer wall of the locking tube 8, and drives the internal unlocking sleeve 12 to move through the sliding rod 13. The unlocking sleeve 12 cooperates with the spring plate 11 to control the locking state of the spring plate 11. The return spring 15 is installed between the inner wall of the locking tube 8 and the unlocking sleeve 12 to provide an automatic return function. The locking rod 9 can pass through the diagonal brace 6 to form a quick connection with the locking tube 8, realizing the relative fixation of the two sets of diagonal braces 6.

[0032] The locking auxiliary mechanism includes a rotating sleeve 16, a rotary push plate 17, a push plate 18, a rotating block 19, a tightening block 20, and a tightening spring 21. The rotating sleeve 16 is rotatably mounted on the outer wall of the locking tube 8. The rotary push plate 17 is mounted on the top end of the rotating sleeve 16, and the push plate 18 is mounted on the bottom end of the sliding sleeve 14. The rotating rotary push plate 17 pushes the sliding sleeve 14 and the push plate 18 to move longitudinally, which drives the sliding rod 13 and the unlocking sleeve 12 to push the spring plate 11 away from the locking groove 10. The rotating block 19 is mounted on the bottom end of the rotating sleeve 16. Multiple sets of tightening blocks 20 are arranged in a radial sliding configuration on the outer wall of the locking tube 8. The tightening spring 21 is installed between adjacent tightening blocks 20. The tightening blocks 20 press against the outer end of the rotating block 19, so that the rotating sleeve 16 rotates stably.

[0033] In this embodiment, the rotating sleeve 16 is limited to rotating on the outer wall of the retaining tube 8. The top rotary push plate 17 cooperates with the push plate 18 at the bottom of the sliding sleeve 14. The rotating block 19 at the bottom of the rotating sleeve 16 cooperates with multiple sets of centripetally sliding tightening blocks 20. The tightening spring 21 provides pressure between adjacent tightening blocks 20 to ensure the stable rotation of the rotating sleeve 16. The rotary push plate 17 drives the sliding sleeve 14 to move, thereby controlling the state of the locking mechanism.

[0034] Please see Figures 1-5 As a supplementary embodiment of a pipe laying device for water conservancy construction, which includes a drive and guide mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism: the frame 1 and the drive and guide mechanism are symmetrically arranged, and a reinforcement plate 22 is connected between adjacent diagonal braces 6. The reinforcement plate 22 has a snap-fit ​​groove 23, and multiple sets of snap-fit ​​grooves 23 are provided and symmetrically arranged. A connecting plate 24 is installed at the bottom of the side wall of the snap-fit ​​pipe 8. The tightening block 20 is slidably arranged on the connecting plate 24. The snap-fit ​​rod 9 can pass through different snap-fit ​​grooves 23 and through the diagonal braces 6 to quickly snap-fit ​​with the snap-fit ​​pipe 8, so that the two sets of diagonal braces 6 are relatively fixed. A stabilizing spring 25 is installed on the inner wall of the snap-fit ​​pipe 8, and one end of the snap-fit ​​rod 9 can extend into the snap-fit ​​pipe 8 to compress the stabilizing spring 25. A pipe fixing block 26 is installed at one end of the frame 1, and one end of the external pipeline is connected to the pipe fixing block 26 and guided.

[0035] More specifically, when the entire device starts operating, the bidirectional motor 2 is first started to drive the movement of the guide mechanism. The motor drives the lead screw 3 to rotate, thereby pushing the threaded sleeve 4 to slide. The support rod 5 and the diagonal support rod 6 work together to push the pipe to the predetermined position. When the pipe moves to the correct position, the reinforcement support mechanism achieves stable fixation of the pipe through the locking rod 9 and the locking pipe 8. The locking rod 9 locks the pipe through the cooperation of the spring plate 11 and the locking groove 10 to ensure that it no longer moves. If the pipe needs to be adjusted, the cooperation of the rotating sleeve 16 and the rotary push plate 17 can quickly unlock the locking device, allowing the locking rod 9 to slide freely and adjust its position in the pipe. The linkage of the unlocking sleeve 12 and the sliding rod 13 allows the locking rod 9 to be unlocked, making it convenient to reposition in the pipe. After the adjustment is completed, the locking rod 9 is locked again by the action of the return spring 15 and the rotating block 19 to ensure the stability of the pipe. At the same time, the unlocking sleeve 12 and the spring plate 11 will automatically return to their initial positions under the action of the return spring 15, completing the unlocking.

[0036] In summary, during the use or operation of the overall equipment: when the drive and guidance mechanism is required to run, the drive and guidance mechanism realizes precise guidance and movement control of the pipeline. The bidirectional motor 2 drives the threaded sleeve 4 to slide in a directional manner through the lead screw 3. The support rod 5 connects the threaded sleeve 4 and the diagonal support rod 6 to form a motion transmission mechanism. One end of the diagonal support rod 6 is rotatably connected to the frame 1, and the other end is equipped with the drive wheel assembly 7. After the drive wheel assembly 7 supports the inner wall, adjacent diagonal support rods 6 are connected by a reinforcing plate 22 with multiple sets of snap-fit ​​grooves 23 to enhance the overall structural stability. The pipe fixing block 26 at the end of the frame 1 is used to connect and guide external pipelines.

[0037] When the reinforcement support mechanism is in operation, it provides a reliable position fixing function. The inner wall of the snap-fit ​​tube 8 is equipped with a spring plate 11, which can be inserted into the snap-fit ​​groove 10 on the side wall of the snap-fit ​​rod 9 to achieve locking. The sliding sleeve 14 slides on the outer wall of the snap-fit ​​tube 8 and drives the internal unlocking sleeve 12 to move through the sliding rod 13. The unlocking sleeve 12 cooperates with the spring plate 11 to control the locking state of the spring plate 11. The return spring 15 is installed between the inner wall of the snap-fit ​​tube 8 and the unlocking sleeve 12 to provide an automatic return function. The snap-fit ​​rod 9 can pass through the diagonal brace 6 to form a quick connection with the snap-fit ​​tube 8 to achieve relative fixation of the two sets of diagonal braces 6.

[0038] When the locking auxiliary mechanism is in operation, the rotating sleeve 16 is limited to rotating on the outer wall of the locking tube 8. The top push plate 17 cooperates with the push plate 18 at the bottom of the sliding sleeve 14. The rotating block 19 at the bottom of the rotating sleeve 16 cooperates with multiple sets of centripetally sliding tightening blocks 20. The tightening spring 21 provides pressure between adjacent tightening blocks 20 to ensure the stable rotation of the rotating sleeve 16. The sliding sleeve 14 is moved by the push plate 17, thereby controlling the state of the locking mechanism.

[0039] When the entire device starts operating, the bidirectional motor 2 is first started to drive the movement of the guide mechanism. The motor drives the lead screw 3 to rotate, thereby pushing the threaded sleeve 4 to slide. The support rod 5 and the diagonal support rod 6 work together to push the pipe to the predetermined position. When the pipe moves to the correct position, the reinforcement support mechanism achieves stable fixation of the pipe through the locking rod 9 and the locking pipe 8. The locking rod 9 locks the pipe through the cooperation of the spring plate 11 and the locking groove 10 to ensure that it no longer moves. If the pipe needs to be adjusted, the cooperation of the rotating sleeve 16 and the rotary push plate 17 can quickly unlock the locking device, allowing the locking rod 9 to slide freely and adjust its position in the pipe. The linkage of the unlocking sleeve 12 and the sliding rod 13 allows the locking rod 9 to be unlocked, making it easy to reposition in the pipe. After the adjustment is completed, the locking rod 9 is locked again by the action of the return spring 15 and the rotating block 19 to ensure the stability of the pipe. At the same time, the unlocking sleeve 12 and the spring plate 11 will automatically return to their initial positions under the action of the return spring 15, completing the unlocking.

[0040] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pipe laying device for water conservancy construction, comprising a frame (1), a drive and guide mechanism, a reinforcement and support mechanism, and a snap-fit ​​auxiliary mechanism. The drive and guide mechanism comprises a bidirectional motor (2), a lead screw (3), a threaded sleeve (4), a support rod (5), a diagonal brace (6), and a drive wheel assembly (7). The bidirectional motor (2) is fixedly installed between the frames (1). The lead screw (3) is installed at the output end of the bidirectional motor (2). The threaded sleeve (4) is directionally slidably installed on the frame (1) and threadedly connected to the lead screw (3). The two ends of the support rod (5) are rotatably connected to the sides of the threaded sleeve (4) and the diagonal brace (6). One end of the diagonal brace (6) is rotatably connected to the frame (1). The reinforcement and support mechanism comprises a frame (1), a drive and guide mechanism, ... The support mechanism includes a locking tube (8), a locking rod (9), a locking groove (10), a spring plate (11), an unlocking sleeve (12), a sliding rod (13), a sliding sleeve (14), and a return spring (15). The locking groove (10) is located on the side wall of the locking rod (9). The sliding sleeve (14) is slidably installed on the outer wall of the locking tube (8). The sliding rod (13) is slidably installed on the side wall of the locking tube (8). The spring plate (11) is installed on the inner wall of the locking tube (8) and extends into the locking groove (10). The unlocking sleeve (12) connected to one end of the sliding rod (13) is slidably installed on the inner wall of the locking tube (8). The return spring (15) is installed between the inner wall of the locking tube (8) and the unlocking sleeve (12).

2. The pipe laying and setting device for water conservancy construction according to claim 1, characterized in that: The locking auxiliary mechanism includes a rotating sleeve (16), a rotating push plate (17), a push plate (18), a rotating block (19), a tightening block (20), and a tightening spring (21). The rotating sleeve (16) is limited to rotating on the outer wall of the locking tube (8). The rotating push plate (17) is installed at the top end of the rotating sleeve (16). The push plate (18) is installed at the bottom end of the sliding sleeve (14). The rotating rotating push plate (17) pushes the sliding sleeve (14) and the push plate (18) to move longitudinally, which drives the sliding rod (13) and the unlocking sleeve (12) to push the spring plate (11) away from the slot (10). The rotating block (19) is installed at the bottom end of the rotating sleeve (16). Multiple sets of tightening blocks (20) are arranged in a radial sliding configuration on the outer wall of the locking tube (8). The tightening spring (21) is installed between adjacent tightening blocks (20). The tightening block (20) presses against the outer end of the rotating block (19) to make the rotating sleeve (16) rotate stably.

3. The pipe laying and setting device for water conservancy construction according to claim 1, characterized in that: The frame (1) and the drive and guide mechanism are symmetrically arranged, and a reinforcing plate (22) is provided between adjacent diagonal braces (6).

4. The pipe laying and setting device for water conservancy construction according to claim 3, characterized in that: The reinforcing plate (22) has a snap-fit ​​groove (23), and there are multiple sets of snap-fit ​​grooves (23), and the snap-fit ​​grooves (23) are symmetrically arranged.

5. A pipe laying device for water conservancy construction according to claim 2, characterized in that: A connecting plate (24) is installed at the bottom of the side wall of the card tube (8), and the tightening block (20) is set to slide in a centripetal manner on the connecting plate (24).

6. The pipe laying and setting device for water conservancy construction according to claim 1, characterized in that: The snap-fit ​​rod (9) can pass through different snap-fit ​​slots (23) and through the diagonal brace (6) to quickly snap-fit ​​with the snap-fit ​​tube (8), so that the two sets of diagonal braces (6) are relatively fixed.

7. A pipe laying device for water conservancy construction according to claim 1, characterized in that: The inner wall of the clamping tube (8) is provided with a stabilizing spring (25), and one end of the clamping rod (9) can be inserted into the clamping tube (8) to compress the stabilizing spring (25).

8. The pipe laying and setting device for water conservancy construction according to claim 1, characterized in that: One end of the frame (1) is equipped with a fixed pipe block (26), and one end of the external pipeline is connected to the fixed pipe block (26) and guided thereon.