Pipeline pretreatment cleaning tool for trenchless repair

Abstract

The utility model relates to the technical field of pipeline cleaning equipment, in particular to a pipeline pretreatment cleaning tool for trenchless repair, which comprises a pipe body, connecting rods, guide wheels, an elastic component and a water supply pipe, the side walls of two ends of the pipe body are respectively hinged with the end parts of a plurality of connecting rods, and the other ends of the connecting rods are rotatably connected with the guide wheels. The included angle between the two opposite connecting rods at the two ends of the pipe body is an obtuse angle, the connecting rods are connected with elastic assemblies, the end of the pipe body is connected with the end of a water supply pipe, the middle of the pipe body is connected with a cleaning piece, the pipe body is arranged in the device, the bottom ends of the connecting rods are rotationally connected to the pipe body, and the top ends of the connecting rods are rotationally connected with guide wheels. And the connecting rod is limited through the elastic assembly, so that the distance between the guide wheel and the pipe body can be limited to adapt to cleaning of pipelines with different inner diameters.

Description

Technical Field

[0001] This utility model relates to the technical field of pipeline cleaning equipment, and in particular to a pipeline pretreatment and cleaning tool for trenchless repair. Background Technology

[0002] Trenchless pipeline repair refers to a series of technologies that repair and replace defective or damaged underground pipelines without damaging or with minimal damage to the surface and surrounding environment. This repair method utilizes advanced equipment and processes, operating through small-diameter manholes or directly from inside the pipeline to restore its functionality. The pipeline needs to be cleaned before repair to improve the quality of the repair. However, existing technologies still have limitations; the equipment is not suitable for cleaning pipelines with various inner diameters. Utility Model Content

[0003] The purpose of this invention is to provide a trenchless repair pipe pretreatment and cleaning tool to address the issues raised in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a trenchless repair pipe pretreatment cleaning tool, comprising: a pipe body, connecting rods, guide wheels, elastic components, and a water supply pipe. Multiple connecting rods are hinged to the ends of the side walls at both ends of the pipe body. The other end of each connecting rod is rotatably connected to a guide wheel. The included angle between two opposite connecting rods at both ends of the pipe body is an obtuse angle. An elastic component is connected to the connecting rod. The end of the pipe body is connected to the end of the water supply pipe, and a cleaning component is connected to the middle of the pipe body.

[0005] Preferably, the other end of the water supply pipe is connected to the output end of the water pump, and the middle part of the water supply pipe is wound around the receiving roller.

[0006] Preferably, the tube body has multiple bottom ends of tube bodies two connected to it, and the top ends of tube bodies two are connected to the side wall of tube body three.

[0007] Preferably, a piston is slidably sealed inside the tube body three. One end face of the piston is connected to the inner wall of the tube body three via a spring, and the other end face of the piston is set towards the top of the tube body two and connected to the end of a pull rod. The other end of the pull rod, which is located outside the tube body three, is rotatably connected to a slider. The slider is slidably connected to a sliding groove, which is formed through the connecting rod.

[0008] Preferably, the middle part of the pipe body has multiple drainage holes, the middle sidewall of the pipe body is rotatably sealed to the inner walls of both ends of the outer pipe, a buffer cavity is provided between the inner wall of the outer pipe and the sidewall of the pipe body, and the output end of the drainage hole is connected to the buffer cavity.

[0009] Preferably, the bottom end of a drain pipe is connected to the inner wall of the buffer cavity, and the top end of the drain pipe slides and seals against the inner wall of the bottom end of the sleeve.

[0010] Preferably, the sleeve is connected to an installation ring, which is connected to the second installation ring via a second spring. The second installation ring is connected to the side wall of the drain pipe and is located below the bottom end of the sleeve.

[0011] Preferably, the top sidewall of the sleeve is connected to the bottom end of the cleaning tube, the top end of the cleaning tube is located away from the sleeve, and the diameter of the cleaning tube is smaller than that of the sleeve.

[0012] Preferably, a scraper is connected to the top end of the sleeve, the scraper is arranged parallel to the cleaning pipe, the top end of the scraper is located away from the sleeve, and the scraper is located between the pipe body and the guide wheel.

[0013] Preferably, the guide wheel is made of rubber.

[0014] The beneficial effects of this utility model are as follows:

[0015] The device has multiple connecting rods rotatably connected to the bottom of the tube body, and guide wheels are rotatably connected to the top of the connecting rods. The connecting rods are limited by elastic components, which can limit the distance between the guide wheels and the tube body to accommodate cleaning pipes with different inner diameters. Attached image description:

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the main structure of this utility model;

[0018] Figure 3 This is a three-section view of the tube body of this utility model;

[0019] Figure 4 A schematic diagram showing the location of the groove in this utility model;

[0020] Figure 5 A schematic diagram showing the location of the buffer cavity in this utility model;

[0021] Figure 6 This is a schematic diagram of the scraper structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the water supply pipe of this utility model being wound around the receiving roller in the middle.

[0023] In the diagram: 1. Pipe body; 2. Connecting rod; 3. Guide wheel; 4. Elastic assembly; 5. Water supply pipe; 6. Cleaning component; 7. Pipe body II; 8. Pipe body III; 9. Piston; 10. Spring; 11. Pull rod; 12. Slider; 13. Slide groove; 14. Outer pipe; 15. Drain hole; 16. Buffer chamber; 17. Drain pipe; 18. Sleeve; 19. Mounting ring; 20. Spring II; 21. Mounting ring II; 22. Cleaning pipe; 23. Scraper; 24. Water pump; 25. Collection roller. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Example 1: Reference Figures 1-7 A trenchless repair pipe pretreatment cleaning tool includes: a pipe body 1, connecting rods 2, guide wheels 3, elastic components 4, and a water supply pipe 5. Each end of the pipe body 1 is hinged to the side wall of a connecting rod 2. The other end of the connecting rod 2 is rotatably connected to the guide wheel 3. The included angle between the two opposite connecting rods 2 at both ends of the pipe body 1 is set to an obtuse angle. The elastic components 4 are connected to the connecting rods 2. The end of the pipe body 1 is connected to the end of the water supply pipe 5. The middle part of the pipe body 1 is connected to a cleaning component 6.

[0027] The principle behind the above scheme is as follows:

[0028] First, the location of the pipe breakage is determined. The steps for determining the location of the pipe breakage are as follows: First, observe the ground subsidence area on the ground, then observe the location of the leak point at the subsidence area. Based on the location of the leak point, measure the distance between it and the nearest pipe inlet. Using a pipe robot equipped with a camera, move to the location of the leak point on the ground and accurately determine the distance between the area to be repaired and the nearest pipe inlet to obtain the device movement distance. Place the device at the pipe inlet and push the water supply pipe 5 to move the device inside the pipe. The length of movement of the water supply pipe 5 is equal to the device movement distance. During the movement of the device, the guide wheel 3 rolls in cooperation with the inner wall of the pipe. When the inner diameter of the pipe decreases, the included angle between the two connecting rods 2 set at both ends of the pipe body 1 increases. The rotation angle of the connecting rods 2 on the pipe body 1 is limited by the elastic component 4. After the middle of the pipe body 1 moves to the area to be repaired, the cleaning component 6 is activated to clean the area to be repaired. After the cleaning is completed, the cleaning component 6 is turned off to complete the cleaning, and the water supply pipe 5 is pulled in the opposite direction to move the device to the outside of the pipe.

[0029] The beneficial effects of the above scheme are as follows:

[0030] The device has a tube body 1 with multiple connecting rods 2 rotatably connected to its bottom end. The top end of the connecting rods 2 is rotatably connected to a guide wheel 3. The connecting rods 2 are limited by an elastic component 4, which can limit the distance between the guide wheel 3 and the tube body 1 to accommodate the cleaning of pipes with different inner diameters.

[0031] Example 2: Reference Figures 1-7 The other end of the water supply pipe 5 is connected to the output end of the water pump 24, and the middle part of the water supply pipe 5 is wound around the receiving roller 25.

[0032] The principles and beneficial effects of the above scheme are as follows:

[0033] When moving the device, the receiving roller 25 can be rotated. The operator takes a point on the water supply pipe 5, and based on the fact that the distance it moves is equal to the distance the device moves, the device can be accurately moved to the place to be cleaned. The receiving roller 25 is designed to facilitate the storage of the water supply pipe. Since the other end of the water supply pipe 5 is connected to the output end of the water pump 24, it can be seen that the water supply pipe 5 located between the water pump 24 and the receiving roller 25 has sufficient length to prevent the water pump 24 from being pulled when the receiving roller 25 rotates. The input end of the water pump 24 is connected to the water storage tank to facilitate water supply to the device.

[0034] Example 3: Reference Figures 1-7 The bottom ends of multiple tube bodies 7 are connected to the tube body 1, and the top ends of tube bodies 7 are connected to the side wall of tube body 8.

[0035] A piston 9 is slidably and sealed inside the tube body 3 8. One end face of the piston 9 is connected to the inner wall of the tube body 3 8 through a spring 10. The other end face of the piston 9 is set towards the top of the tube body 2 7 and is connected to the end of the pull rod 11. The other end of the pull rod 11, which is located outside the tube body 3 8, is rotatably connected to the slider 12. The slider 12 is slidably connected to the slide groove 13, which is opened through the connecting rod 2.

[0036] The principles and beneficial effects of the above scheme are as follows:

[0037] When the inner diameter of the pipe decreases, the guide wheel 3 drives the top of the connecting rod 2 to move toward the side wall of the pipe body 1, the slider 12 moves downward in the slide groove 13, the pull rod 11 moves away from the middle of the pipe body 1, the pull rod 11 drives the piston 9 to move, and the spring 10 is stretched.

[0038] When the inner diameter of the pipe increases, the guide wheel 3 drives the top of the connecting rod 2 to move away from the side wall of the pipe body 1, the slider 12 moves upward in the slide groove 13, the pull rod 11 moves towards the middle of the pipe body 1, the pull rod 11 drives the piston 9 to move, and the spring 10 contracts.

[0039] After the device is moved into place, the water supply pipe 5 supplies water to the pipe body 1. The water enters the pipe body 8 through the second pipe body 7 and applies pressure to the piston 9. The length of the spring 10 decreases. Since the pull rod 11 moves towards the middle of the pipe body 1, it can be seen that the distance between the connecting rods 2 at both ends of the pipe body 1 decreases when the device is supplying water. This drives the guide wheel 3 to apply pressure to the inner wall of the pipe, preventing the device from moving around when supplying water and improving the stability of the device during operation. After the device stops supplying water, the pressure applied by the guide wheel 3 to the inner wall of the pipe decreases and returns to the pressure it applied to the pipe when it entered the pipe, preventing the device from being unable to be removed from the pipe.

[0040] Example 4: Reference Figures 1-7 The middle part of the pipe body 1 has multiple drainage holes 15. The middle side wall of the pipe body 1 is rotatably sealed to the inner walls of both ends of the outer pipe 14. A buffer cavity 16 is provided between the inner wall of the outer pipe 14 and the side wall of the pipe body 1. The output end of the drainage hole 15 is connected to the buffer cavity 16.

[0041] The principles and beneficial effects of the above scheme are as follows:

[0042] When the device supplies water, water enters the buffer chamber 16 between the outer pipe 14 and the pipe body 1 through the drain hole 15. The buffer chamber 16 can buffer the water flow to prevent excessive water pressure from damaging the components.

[0043] Example 5: Reference Figures 1-7 The bottom end of the drain pipe 17 is connected to the inner wall of the buffer cavity 16, and the top end of the drain pipe 17 slides and seals with the inner wall of the bottom end of the sleeve 18.

[0044] A mounting ring 19 is connected to the sleeve 18. The mounting ring 19 is connected to the mounting ring 21 via a spring 20. The mounting ring 21 is connected to the side wall of the drain pipe 17 and is located below the bottom end of the sleeve 18.

[0045] The top sidewall of the sleeve 18 is connected to the bottom end of the cleaning tube 22. The top end of the cleaning tube 22 is located away from the sleeve 18, and the diameter of the cleaning tube 22 is smaller than that of the sleeve 18.

[0046] The principles and beneficial effects of the above scheme are as follows:

[0047] Water in the buffer chamber 16 is discharged through the drain pipe 17 and enters the sleeve 18. It is then discharged through the cleaning pipe 22 to clean the inner wall of the pipe. Since the diameter of the cleaning pipe 22 is smaller than that of the sleeve 18, the sleeve 18 moves upward relative to the drain pipe 17 during cleaning. The length of the spring 20 between the mounting ring 19 and the mounting ring 21 increases. After the water supply ends, the relative position between the sleeve 18 and the drain pipe 17 is restored under the elastic force of the spring 20. During water supply, due to the inclined setting of the cleaning pipe 22 and the rotatable connection between the outer pipe 14 and the pipe body 1, the cleaning pipe 22 can rotate to clean the inner wall of the pipe during cleaning.

[0048] Example 6: Reference Figures 1-7 The top end of the sleeve 18 is connected to a scraper 23, which is arranged parallel to the cleaning pipe 22. The top end of the scraper 23 is located away from the sleeve 18, and the scraper 23 is located between the pipe body 1 and the guide wheel 3.

[0049] The principles and beneficial effects of the above scheme are as follows:

[0050] While cleaning, the scraper 23 rotates synchronously with the rotation of the cleaning pipe 22, scraping the inner wall of the pipe to assist in cleaning and improve the cleaning effect. Since the scraper 23 is set between the pipe body 1 and the guide wheel 3, the device will not rub against the inner wall of the pipe when it moves inside the pipe, preventing the device from failing to move into place.

[0051] Example 7: Reference Figures 1-7 The guide wheel 3 is specifically made of rubber.

[0052] The principles and beneficial effects of the above scheme are as follows:

[0053] The guide wheel 3 is made of rubber, which has good elasticity and can make good contact with the inner wall of the pipe, so that it will not slip when rolling.

[0054] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A trenchless pipe pretreatment and cleaning tool, characterized in that, include: The tube (1), connecting rod (2), guide wheel (3), elastic component (4) and water supply pipe (5) are provided. The ends of multiple connecting rods (2) are hinged to the side walls at both ends of the tube (1). The other end of the connecting rod (2) is rotatably connected to the guide wheel (3). The included angle between the two opposite connecting rods (2) at both ends of the tube (1) is set to an obtuse angle. The elastic component (4) is connected to the connecting rod (2). The end of the tube (1) is connected to the end of the water supply pipe (5). The middle part of the tube (1) is connected to the cleaning component (6).

2. The trenchless pipe pretreatment and cleaning tool for repair according to claim 1, characterized in that, The other end of the water supply pipe (5) is connected to the output end of the water pump (24), and the middle part of the water supply pipe (5) is wrapped around the receiving roller (25).

3. The trenchless pipe pretreatment and cleaning tool for repair according to claim 1, characterized in that, The bottom ends of multiple tubes two (7) are connected to the tube body (1), and the top ends of tubes two (7) are connected to the side wall of tube three (8).

4. The trenchless pipe pretreatment and cleaning tool for repair according to claim 3, characterized in that, A piston (9) is slidably and sealed inside the tube body three (8). One end face of the piston (9) is connected to the inner wall of the tube body three (8) through a spring (10). The other end face of the piston (9) is set facing the top of the tube body two (7) and is connected to the end of a pull rod (11). The other end of the pull rod (11) located outside the tube body three (8) is rotatably connected to a slider (12). The slider (12) is slidably connected to a groove (13). The groove (13) is opened through the connecting rod (2).

5. A trenchless repair pipe pretreatment and cleaning tool according to claim 3, characterized in that, The middle part of the pipe body (1) has multiple drainage holes (15) through it. The middle side wall of the pipe body (1) is rotated and sealed to the inner walls of both ends of the outer pipe (14). A buffer cavity (16) is provided between the inner wall of the outer pipe (14) and the side wall of the pipe body (1). The output end of the drainage hole (15) is connected to the buffer cavity (16).

6. A trenchless repair pipe pretreatment and cleaning tool according to claim 5, characterized in that, The bottom end of the drain pipe (17) is connected to the inner wall of the buffer cavity (16), and the top end of the drain pipe (17) slides and seals with the inner wall of the bottom end of the sleeve (18).

7. A trenchless repair pipe pretreatment and cleaning tool according to claim 6, characterized in that, The sleeve (18) is connected to an installation ring (19), which is connected to an installation ring (21) via a spring (20). The installation ring (21) is connected to the side wall of the drain pipe (17) and is located below the bottom end of the sleeve (18).

8. A trenchless repair pipe pretreatment and cleaning tool according to claim 7, characterized in that, The top sidewall of the sleeve (18) is connected to the bottom end of the cleaning tube (22), the top end of the cleaning tube (22) is located away from the sleeve (18), and the diameter of the cleaning tube (22) is smaller than that of the sleeve (18).

9. A trenchless repair pipe pretreatment and cleaning tool according to claim 8, characterized in that, The top end of the sleeve (18) is connected to a scraper (23), which is arranged parallel to the cleaning pipe (22). The top end of the scraper (23) is located away from the sleeve (18), and the scraper (23) is located between the pipe body (1) and the guide wheel (3).

10. A trenchless repair pipe pretreatment and cleaning tool according to claim 9, characterized in that, The guide wheel (3) is specifically made of rubber.

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