Pipeline non-excavation repairing device

By adjusting the motor-driven shaft and bevel gear system, the walking legs are moved to remove debris. At the same time, a resin delivery pump is used to spray the repair agent, which solves the problem of debris on the inner wall of the pipe affecting movement. This enables the device to move smoothly in pipes of different diameters and to spray the repair agent precisely.

CN223725828UActive Publication Date: 2025-12-26ANHUI KEXIN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520309244.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-12-26
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In existing technologies, debris on the inner wall of the pipe can affect the rotation of the wheels, causing the repair device to move unsmoothly.

Method used

The motor drives the rotating shaft to rotate, and the rotating shaft drives the walking legs to move through the bevel gear and lead screw. The scraper on the spring and sliding rod removes debris, while the resin delivery pump and spray nozzle spray the repair agent.

Benefits of technology

It allows for smooth movement in pipes of different diameters, effectively removes debris, and conveniently sprays repair agent to designated locations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223725828U_ABST
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Abstract

The utility model relates to the technical field of pipeline non-excavation repair, and discloses a pipeline non-excavation repair device which comprises a main body, an adjusting motor is fixedly installed on the front side of the main body, a circular groove is formed in the rear side of the main body, and four moving grooves are formed in the outer wall of the main body at equal intervals. A first bevel gear and four second bevel gears are arranged in the circular groove, the first bevel gear is connected with the four second bevel gears in a meshed mode, and a rotating shaft penetrates through the first bevel gear and is connected with the first bevel gear in an interference fit mode. The positions of all the walking legs can be adjusted at the same time through the circular groove, the moving groove, the adjusting motor, the rotating shaft, the first bevel gear, the second bevel gear, the lead screw and the threaded groove so that the pipeline repairing device can be suitable for pipelines with different pipe diameters, and sundries attached to the inner walls of the pipelines can be scraped in the walking process of the pipeline repairing device through the L-shaped pieces, the sliding grooves, the sliding rods, the springs and the scraping plates; impurities attached to the inner wall of the pipeline are prevented from affecting movement of the repairing device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline trenchless repair technical field, concretely is a pipeline trenchless repair device. BACKGROUND

[0002] Pipeline trenchless repair refers to using various geotechnical drilling equipment and technical means, laying new construction technology, replacing and repairing various underground pipelines, in the case of guiding directional drilling, excavating the earth surface extremely small part, not hindering traffic, destroying green land and vegetation, in the pipeline trenchless repair process, need to make the repair device walk along the pipeline inside, and spray resin repair agent to the pipeline corrosion or damage position.

[0003] But the pipeline wall will be attached with a large number of sundries after long time use, the sundries attached to the pipeline wall will affect the rotation of the walking roller in the process of the repair device walking, thereby affecting the movement of the pipeline trenchless repair device. UTILITY MODEL CONTENTS

[0004] The utility model is provided with the pipeline trenchless repair device, the problem proposed in the background art is solved.

[0005] The pipeline trenchless repair device is provided, which comprises a main body, an adjusting motor is fixedly installed on the front side of the main body, a circular groove is formed in the rear side of the main body, four moving grooves are equidistantly formed in the outer wall of the main body, a bevel gear one and four bevel gears two are arranged in the circular groove, the bevel gear one is connected with the four bevel gears two in meshing mode, a rotating shaft is connected with the bevel gear one in penetrating and interference fit mode, the front end of the rotating shaft is fixedly installed on the output end of the adjusting motor, a lead screw is fixedly installed on the bevel gear two, a walking leg is slidably connected in the moving groove, a threaded groove matched with the lead screw is formed in one end of the walking leg inside the moving groove, L-shaped pieces are symmetrically fixedly installed on the front and rear sides of the walking leg, one end of the lead screw is arranged in the threaded groove, a sliding groove is formed in the top of the L-shaped piece, a sliding rod is slidably connected in the sliding groove, a scraper is fixedly installed on the top of the sliding rod, and a spring is fixedly connected to the bottom of the sliding rod.

[0006] Through the above technical scheme, the adjusting motor drives the rotating shaft to rotate, the rotating shaft drives the four lead screws to rotate through the bevel gear one and the four bevel gears two, the lead screw drives the walking leg to move along the sliding groove through the threaded groove, the positions of the walking legs are adjusted at the same time, so as to be suitable for pipelines with different diameters, and the scraper is arranged on the inner wall of the pipeline through the spring and the sliding rod, so that the sundries attached to the inner wall of the pipeline can be scraped in the process of the repair device walking.

[0007] Optionally, a resin repair box is fixedly installed on the rear side of the main body, a feeding pipe is communicated with the rear side of the main body, and a plurality of spray pipes are equidistantly penetrated through the outer wall of the main body, and an electromagnetic valve is arranged on each spray pipe, and the feeding pipe is connected with a resin delivery pump.

[0008] By using the above technical scheme, the resin repair agent is injected into the resin repair box through the resin delivery pump and the feeding pipe, and the resin repair agent can be directly sprayed to the corresponding position to be repaired by opening the corresponding electromagnetic valve, so that the use is more convenient.

[0009] Optionally, a U-shaped piece is fixedly connected to one end of the walking leg outside the moving groove, a roller is rotatably installed in the U-shaped piece, and a driving motor is fixedly installed on one side of the U-shaped piece, and the output end of the driving motor is fixedly installed with one roller.

[0010] By using the above technical scheme, the driving motor drives one roller to rotate, so that the whole repair device can walk along the pipeline.

[0011] Optionally, a ring body is fixedly installed on the front side of the main body, and a plurality of cameras are embeddedly installed on the outer wall of the ring body.

[0012] By using the above technical scheme, the inner wall condition of the pipeline can be observed.

[0013] Optionally, the shaft and the lead screw are connected with the main body through bearings.

[0014] By using the above technical scheme, the stability of the rotation of the shaft and the lead screw is ensured.

[0015] Optionally, the vertical section of the sliding rod is in the shape of an inverted "T".

[0016] By using the above technical scheme, the sliding rod is prevented from sliding out of the sliding groove.

[0017] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0018] 1. The technical scheme of the present application can adjust the positions of the walking legs through the circular groove, the moving groove, the adjusting motor, the shaft, the bevel gear one, the bevel gear two, the lead screw and the thread groove, so as to be applicable to pipelines with different diameters, and the L-shaped piece, the sliding groove, the sliding rod, the spring and the scraper can scrape the dirt attached to the inner wall of the pipeline during the walking of the repair device, so as to prevent the dirt attached to the inner wall of the pipeline from affecting the movement of the repair device.

[0019] 2. The technical scheme of the present application can inject the resin repair agent into the resin repair box through the resin delivery pump and the feeding pipe, and the resin repair agent can be directly sprayed to the corresponding position to be repaired by opening the corresponding electromagnetic valve, so that the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is a front view of the present application;

[0023] Figure 3 is a side view of the present application;

[0024] Figure 4 is a rear view of the present application;

[0025] In the figure: 1, main body; 2, adjusting motor; 3, walking leg; 4, roller; 5, driving motor; 6, L-shaped piece; 7, sliding rod; 8, scraper; 9, resin repair box; 10, spray pipe; 11, ring body; 12, camera; 13, U-shaped piece; 14, circular groove; 15, moving groove; 16, bevel gear one; 17, bevel gear two; 18, rotating shaft; 19, lead screw; 20, threaded groove; 21, sliding groove; 22, spring; 23, feed pipe; 24, electromagnetic valve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-3The utility model provides a pipeline trenchless repair device, including main part 1, the front side fixed mounting of main part 1 has adjusting motor 2, the rear side of main part 1 is provided with round groove 14, and the outer wall of main part 1 is provided with four moving grooves 15 at equal intervals, the inside of round groove 14 is provided with bevel gear one 16 and four bevel gear two 17, and bevel gear one 16 is all engaged with four bevel gear two 17, and the rotating shaft 18 of bevel gear one 16 is penetrated and is connected in interference fit, and the front end of rotating shaft 18 is fixedly installed with the output end of adjusting motor 2, bevel gear two 17 is fixedly installed with lead screw 19, and the inside of moving groove 15 is slidably connected with walking leg 3, and the one end of walking leg 3 in the inside of moving groove 15 is provided with the thread groove 20 matched with lead screw 19, and the front and rear sides of walking leg 3 are fixedly installed with L type spare 6, and the one end of lead screw 19 is in the inside of thread groove 20, and the top of L type spare 6 is provided with sliding slot 21, and the inside of sliding slot 21 is slidably connected with sliding rod 7, and the top of sliding rod 7 is fixedly installed with scraper 8, and the bottom of sliding rod 7 is fixedly connected with spring 22;

[0028] In this technical scheme, the rotating shaft 18 is driven to rotate by the adjusting motor 2, the rotating shaft 18 drives the four lead screws 19 to rotate through the bevel gear one 16 and the four bevel gear two 17, the walking legs 3 are driven to move along the sliding slots 21 through the thread grooves 20, and the positions of the walking legs 3 are adjusted, so that the pipeline repair device is suitable for pipelines with different diameters, and the scraper 8 is arranged on the inner wall of the pipeline through the spring 22 and the sliding rod 7, so that the scraper 8 can scrape the sundries attached to the inner wall of the pipeline during the movement of the pipeline repair device, and the sundries attached to the inner wall of the pipeline do not affect the movement of the pipeline repair device.

[0029] In some technical solutions, as shown in Figure 1 and Figure 4 , the rear side of the main body 1 is fixedly installed with a resin repair box 9, the rear side of the main body 1 is communicated with a feeding pipe 23, and a plurality of spray pipes 10 are penetratingly arranged at equal intervals on the outer wall of the main body 1, the spray pipes 10 are provided with electromagnetic valves 24, and the feeding pipe 23 is connected with a resin delivery pump.

[0030] In use, the resin repair agent is injected into the resin repair box 9 through the resin delivery pump and the feeding pipe 23, and the resin repair agent is directly sprayed to the corresponding position to be repaired through the spray pipes 10 by opening the corresponding electromagnetic valves 24, so that the use is more convenient.

[0031] In some technical solutions, as shown in Figure 1 , one end of the walking leg 3 outside the moving groove 15 is fixedly connected with a U-shaped piece 13, the U-shaped piece 13 is rotatably installed with a roller 4, and one side of the U-shaped piece 13 is fixedly installed with a driving motor 5, and the output end of the driving motor 5 is fixedly installed with one roller 4.

[0032] In use, one roller 4 is driven to rotate by the driving motor 5, so that the whole repair device can move along the pipeline.

[0033] In some technical solutions, such as Figure 1 As shown, a ring 11 is fixedly installed on the front side of the main body 1, and several cameras 12 are embedded in the outer wall of the ring 11.

[0034] In use, the camera 12, which is embedded in the outer wall of the ring 11, can be used to observe the condition of the inner wall of the pipe.

[0035] In some technical solutions, such as Figure 2 As shown, the rotating shaft 18 and the lead screw 19 are both connected to the main body 1 via bearings.

[0036] During use, the bearings ensure the stability of the rotation of the shaft 18 and the lead screw 19.

[0037] In some technical solutions, such as Figure 3 As shown, the vertical cross-section of the sliding rod 7 in a side view is an inverted "T" shape.

[0038] During use, prevent the sliding rod 7 from sliding out of the groove 21.

[0039] Working principle: During use, the motor 2 drives the rotating shaft 18 to rotate. The rotating shaft 18 drives the four lead screws 19 to rotate through the first bevel gear 16 and four second bevel gears 17. The lead screws 19 drive the walking legs 3 to move along the slide groove 21 through the threaded groove 20. At the same time, the position of each walking leg 3 is adjusted so that the roller 4 contacts the inner wall of the pipe. The drive motor 5 drives one roller 4 to rotate, which can drive the entire repair device to move along the pipe. The camera 12 can observe the condition of the inner wall of the pipe. The resin delivery pump and the feed pipe 23 inject resin repair agent into the resin repair tank 9. Opening the corresponding solenoid valve 24 can spray the resin repair agent directly to the corresponding position to be repaired through the spray pipe 10.

[0040] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A trenchless pipe rehabilitation apparatus comprising a main body (1), characterized in that: The front side of the body (1) is fixedly installed with an adjusting motor (2), the rear side of the body (1) is provided with a circular groove (14), and the outer wall of the body (1) is provided with four moving grooves (15) at equal intervals, the inside of the circular groove (14) is provided with a bevel gear (16) and four bevel gears (17), the bevel gear (16) is in meshing connection with the four bevel gears (17), the bevel gear (16) is in interference fit connection with a rotating shaft (18) penetrating thereon, the front end of the rotating shaft (18) is fixedly installed with the output end of the adjusting motor (2), the bevel gear (17) is fixedly installed with a lead screw (19), the inside of the moving groove (15) is in sliding connection with a walking leg (3), the end of the walking leg (3) inside the moving groove (15) is provided with a threaded groove (20) matched with the lead screw (19), and the front and rear sides of the walking leg (3) are fixedly installed with L-shaped pieces (6) in symmetry, one end of the lead screw (19) is in the inside of the threaded groove (20), the top of the L-shaped piece (6) is provided with a sliding groove (21), the inside of the sliding groove (21) is in sliding connection with a sliding rod (7), the top of the sliding rod (7) is fixedly installed with a scraper (8), and the bottom of the sliding rod (7) is fixedly connected with a spring (22).

2. A trenchless pipe rehabilitation apparatus as defined in claim 1, wherein, The rear side of the body (1) is fixedly installed with a resin repair box (9), the rear side of the body (1) is communicated with a feeding pipe (23), and the outer wall of the body (1) is penetrated by a plurality of spray pipes (10) at equal intervals, the spray pipe (10) is provided with a electromagnetic valve (24), and the feeding pipe (23) is connected with a resin conveying pump.

3. A trenchless pipe rehabilitation apparatus as defined in claim 1, wherein, One end of the walking leg (3) outside the moving groove (15) is fixedly connected with a U-shaped piece (13), the inside of the U-shaped piece (13) is rotatably installed with a roller (4), and one side of the U-shaped piece (13) is fixedly installed with a driving motor (5), and the output end of the driving motor (5) is fixedly installed with one roller (4).

4. A trenchless pipe rehabilitation apparatus as defined in claim 1, wherein, The front side of the body (1) is fixedly installed with a ring body (11), and the outer wall of the ring body (11) is embeddedly installed with a plurality of cameras (12).

5. A trenchless pipe rehabilitation apparatus as defined in claim 1, wherein, The rotating shaft (18) and the lead screw (19) are connected with the body (1) through bearings.

6. A trenchless pipe rehabilitation apparatus as defined in claim 1, wherein, The vertical section of the sliding rod (7) in side view is in inverted "T" shape.