Non-excavation repairing device for underground drainage plastic pipeline

Abstract

The utility model relates to the technical field of pipeline repair, in particular to an underground drainage plastic pipeline non-excavation repair device which comprises a pipeline body, a rotating mechanical shaft is arranged in the pipeline body, a motor and a controller are arranged in the pipeline body, and a telescopic supporting arm is fixedly connected to the surface of the rotating mechanical shaft. The device is conveyed to the deformed position of the pipeline through the remote control moving carrier, the deformed pipeline is recovered through cooperation of the jacking assembly and the pipeline supporting wall, and therefore non-excavation repairing of the deformed pipeline is achieved, the pipeline is repaired by adding repairing materials to the deformed and damaged position, the original function of the pipeline is recovered, and the repairing efficiency is improved. The service life of the pipeline is prolonged, the cost is saved, the influence of construction on the surrounding environment is greatly reduced, the construction period is shortened, and remarkable social and economic benefits are achieved.

Description

TECHNICAL FIELD

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

[0002] Due to construction not standard, road overload and pipeline aging and other factors, medium-caliber underground plastic drainage pipeline in city often appears deformation problem after a period of use, and the deformation of underground drainage pipeline can lead to the reduction of water section, reduce the drainage capacity of pipeline, and even cause ground subsidence in serious cases, which brings potential safety hazard.In addition, pipeline damage can also cause sewage overflow, pollute the surrounding environment and affect the life of citizens and city image.The traditional repair method is usually to dig out the damaged pipeline as a whole, and then lay a new pipeline to replace it.However, this excavation repair method has many drawbacks, such as the need for a large construction site, which can cause serious traffic congestion, and can also greatly interfere with the surrounding social life and ecological environment, and the overall cost of repair is also relatively high, therefore, a kind of underground drainage plastic pipeline trenchless repair device is designed. SUMMARY

[0003] The utility model aims at providing a kind of underground drainage plastic pipeline trenchless repair device to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme, a kind of underground drainage plastic pipeline trenchless repair device: including pipeline body, the pipeline body is internally provided with rotating machinery shaft, its inside is equipped with motor and controller, for driving device moves and rotates, the surface of the rotating machinery shaft is fixedly connected with telescopic support arm, the telescopic support arm is driven telescopic by electric push rod to adapt pipeline body diameter, the surface of the telescopic support arm is fixedly installed with jacking support plate, the surface of the jacking support plate is provided with air bag shell, the surface of the jacking support plate is magnetically connected with pipeline support wall, the surface of the rotating machinery shaft is provided with telescopic support shaft, the surface of the telescopic support shaft is fixedly connected with telescopic rotating arm, the surface of the telescopic rotating arm is equipped with gas input port, the end of the telescopic rotating arm is fixedly connected with telescopic filling arm, the end of the telescopic filling arm is provided with supplementary hose and pipe needle, the surface of the telescopic rotating arm is provided with remote control mobile carrier, and the remote control mobile carrier includes pulley, pulley telescopic shaft and camera.

[0005] Preferably, the inside of the gas input port is communicated with the inside of the telescopic support shaft, the rotating machinery shaft, the telescopic support arm, the jacking support plate and the air bag shell, and the air bag shell expands by the gas delivered through the gas input port.

[0006] The supplementary needle is preferably in a conical structure and has a micro-hole inside, which is communicated with the main flow channel in the supplementary hose and the repairing material, and the injection amount is controlled by the micro-motor in the control wire channel.

[0007] The pulley telescopic shaft and the camera are fixedly installed on the surface of the telescopic rotating arm, and the pulley telescopic shaft and the pulley are provided with four groups of devices for supporting and moving.

[0008] The pipeline supporting wall is preferably made of rubber and is in a cylindrical shape after being stretched, and a magnetic attraction area is arranged on the inner surface of the pipeline supporting wall, which is attached to the inner wall of the pipeline body after being stretched.

[0009] The supplementary hose injects the repairing material into the crack of the pipeline body through the micro-hole of the supplementary needle, and the air bag shell pressurizes and solidifies the repairing material by expansion.

[0010] The motor controller of the rotating mechanical shaft cooperates with the telescopic range of the telescopic supporting arm and the rotation angle of the telescopic rotating arm according to the inner diameter of the pipeline and the deformation position.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The repairing device is composed of a rotating mechanical shaft and a telescopic supporting arm to form a jacking assembly, the end of the telescopic supporting arm is connected with a jacking supporting plate, the jacking supporting plate can be accurately controlled in the supporting direction in the pipeline, the pipeline supporting wall is in a roll shape initially and is in a cylindrical shape after being stretched to be attached to the pipeline, and the jacking supporting plate and the pipeline supporting arm are cooperatively designed to effectively disperse the stress of the pipeline, so that the pipeline is prevented from being damaged due to excessive local stress, the device is transported to the deformation position of the pipeline by the remote control moving carrier, the deformed pipeline is restored by the cooperation of the jacking assembly and the pipeline supporting wall, so that the trenchless repair of the deformed pipeline is realized, the device has simple construction operation and simple equipment manufacturing, has high construction efficiency and low cost, the pipeline is repaired by adding repairing material at the deformed and damaged position, the original function of the pipeline is restored, the service life of the pipeline is prolonged, the cost is saved, the influence of the device on the surrounding environment is greatly reduced, the construction period is shortened, and remarkable social and economic benefits are obtained.

[0013] 2. The repairing device can realize all-around repair of the pipeline without dead angle because the rotating mechanical shaft and the telescopic filling arm both have the rotating function, the supplementary hose can freely stretch and retract, and can rotate in any direction around. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The structure front view three-dimensional schematic view of the utility model;

[0015] Figure 2 The structure top view schematic view of the utility model;

[0016] Figure 3 The structure front view three-dimensional schematic view of the utility model;

[0017] Figure 4 The structure side view schematic view of the utility model;

[0018] Figure 5 The structure front view three-dimensional schematic view of the utility model pipe support wall structure is;

[0019] Figure 6 The structure front view three-dimensional schematic view of the utility model pipe support wall structure is.

[0020] In the figure: 2, rotating machine shaft; 3, telescopic support arm; 4, telescopic filling arm; 5, pipe needle; 6, jacking support plate; 7, air bag shell; 8, telescopic support shaft; 9, gas input; 10, pipe support wall; 11, telescopic rotating arm; 12, supplementary hose; 13, pulley; 14, pulley telescopic shaft. Specific implementation

[0021] Please refer to Figures 1-6 , the utility model provides an embodiment:

[0022] The utility model provides a kind of underground drainage plastic pipeline trenchless repair device: including pipeline body, rotating machinery shaft 2 is provided inside pipeline body, its inside is equipped with motor and controller, for driving device moves and rotates, motor can be controlled by motor controller to control speed and direction, motor controller can adjust the speed and direction of motor according to inputted electric signal, to realize the accurate rotation of rotating machinery shaft 2, motor drives rotating machinery shaft 2 to rotate, to drive telescopic support arm 3 to rotate, supplemental hose 12 can freely extend and retract, and can rotate in any direction around, to realize the all-round repair to pipeline, there is no dead angle, rotating machinery shaft 2 is fixedly connected on the surface, telescopic support arm 3 is driven to extend and retract by electric push rod to adapt pipeline body diameter, top lifting support plate 6 is fixedly installed on the surface of telescopic support arm 3, gasbag shell 7 is arranged on the surface of top lifting support plate 6, pipeline support wall 10 is magnetically connected on the surface of top lifting support plate 6, telescopic support shaft 8 is arranged on the surface of rotating machinery shaft 2, telescopic rotating arm 11 is fixedly connected on the surface of telescopic support shaft 8, gas input 9 is formed on the surface of telescopic rotating arm 11, telescopic filling arm 4 is fixedly connected at the end of telescopic rotating arm 11, supplemental hose 12 and pipe needle 5 are arranged at the end of telescopic filling arm 4, remote control mobile carrier is arranged on the surface of telescopic rotating arm 11, remote control mobile carrier includes pulley 13, pulley telescopic shaft 14 and camera, remote control mobile carrier is prior art, can realize the movement of device in the inside of pipeline body, and the presentation of picture to the inside of pipeline.

[0023] Further, the inside of gas input 9 is communicated through the inside of telescopic support shaft 8, rotating machinery shaft 2, telescopic support arm 3, top lifting support plate 6 and gasbag shell 7, gasbag shell 7 is inflated by the gas delivered through gas input 9, gasbag shell 7 is made of high-strength rubber material, and can be bounced away after inflation to participate in plastic pipeline repair work.

[0024] Further, pipe needle 5 is conical structure, and is provided with micropore in the inside, the micropore is communicated with repair material through main flow channel in supplemental hose 12, and the injection amount is controlled by micro motor in control line channel, main flow channel is arranged in the inside of supplemental hose 12 for delivering repair material, and small control line channel is also arranged in the inside of supplemental hose 12 for accommodating micro motor for controlling the movement of repair material to pipe needle 5, the repair material is delivered to pipe needle 5 through main flow channel of supplemental hose 12 by pressing injection button, and is uniformly injected into crack through the small aperture of pipe needle 5.

[0025] Further, the pulley telescopic shaft 14 and the camera are fixedly installed on the surface of the telescopic rotating arm 11, the pulley telescopic shaft 14 and the pulley 13 are provided with four sets of devices for supporting movement, the camera is small and can provide visual information inside the pipeline body, helping the operator to better judge the position of the carrier, the pulley 13 and the pulley telescopic shaft 14 are provided with motors, and the operator can drive the carrier to move forward and backward in the pipeline through remote control.

[0026] Further, the pipeline support wall 10 is made of rubber and is cylindrical after being stretched, and the inner surface is provided with a magnetic attraction area, the pipeline support wall 10 is attached to the inner wall of the pipeline body after being stretched, the jacking support plate 6 is provided with a detachable magnetic attraction component, the magnetic attraction area of the pipeline support wall 10 and the magnetic attraction component on the jacking support plate 6 are used in cooperation, and the jacking support plate 6 is mostly made of rubber, so that the jacking support plate 6 can effectively disperse the stress on the telescopic support arm 3, thereby avoiding damage to the pipeline body due to excessive local stress.

[0027] Further, the supplementary hose 12 injects the repair material into the crack of the pipeline body through the micro-hole of the pipe repairing needle 5, the air bag shell 7 pressurizes and solidifies the repair material by inflation, the pipe repairing needle 5 is connected with the supplementary hose 12 to ensure firm connection and good sealing, the pipe repairing needle 5 is moved to the position of the pipeline crack through the cooperative operation of the rotating mechanical shaft 2 and the telescopic filling arm 4, the needle of the pipe repairing needle 5 is inserted into the pipeline crack, the repair material is injected from the tiny hole of the needle into the crack of the pipeline body through the supplementary hose 12, and after the repair material is injected, it is solidified, the crack of the pipeline body is the crack formed by the pipeline support wall 10 at the pipeline body, and the pipeline support wall 10 can completely shield and repair the crack of the pipeline body.

[0028] Further, the motor controller of the rotating mechanical shaft 2 cooperates with the telescopic range of the telescopic support arm 3 and the rotation angle of the telescopic rotating arm 11 to adjust the telescopic range and the rotation angle according to the inner diameter of the pipeline and the deformation position, so that the device can perform repair work at any position inside the pipeline body without excavation repair.

[0029] Working Principle: This device, via a remotely controlled mobile carrier with pulleys 13, a pulley telescopic shaft 14, and a camera, precisely reaches the deformed area of ​​the pipeline. First, the telescopic support arm 3 and the lifting support plate 6 work in conjunction with the pipeline support wall 10 to support and restore the pipeline. The rotating mechanical shaft 2 drives adjustments to ensure precise support. Then, in the crack repair stage, the pipeline support wall 10 is removed, and air is supplied to the airbag shell 7 through the gas inlet 9 for expansion. This causes the airbag shell 7 to compress the pipeline support wall 10, allowing it to unfold and adhere to the inner wall of the pipeline. The telescopic support shaft 8 and the telescopic rotating arm 11 work together to provide operating space. The telescopic filling arm 4 precisely locates the crack, and the repair needle 5 injects repair material through the supplementary hose 12. The airbag is inflated and pressurized to solidify, thus enabling the pipeline support wall 10 to repair the damaged area of ​​the pipeline. The coordinated control of all components achieves comprehensive, blind-spot-free repair, avoiding the drawbacks of traditional open-cut repair, reducing costs and environmental interference, and extending the pipeline's service life, resulting in significant social and economic benefits.

Claims

1. A trenchless repair device for underground drainage plastic pipes, comprising a pipe body, characterized in that: The pipe body contains a rotating mechanical shaft with a motor and controller for driving the movement and rotation of the device. A telescopic support arm is fixedly connected to the surface of the rotating mechanical shaft. The telescopic support arm is driven by an electric push rod to extend and retract to adapt to the diameter of the pipe body. A lifting support plate is fixedly installed on the surface of the telescopic support arm. An airbag shell is provided on the surface of the lifting support plate. A pipe support wall is magnetically connected to the surface of the lifting support plate. A telescopic support shaft is provided on the surface of the rotating mechanical shaft. A telescopic rotating arm is fixedly connected to the surface of the telescopic support shaft. A gas inlet is provided on the surface of the telescopic rotating arm. A telescopic filling arm is fixedly connected to the end of the telescopic rotating arm. A replenishment hose and a replenishment needle are provided at the end of the telescopic filling arm. A remote-controlled moving vehicle is provided on the surface of the telescopic rotating arm. The remote-controlled moving vehicle includes a pulley, a pulley telescopic shaft, and a camera.

2. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The interior of the gas inlet is connected to the interior of the telescopic support shaft, the rotating mechanical shaft, the telescopic support arm, the lifting support plate, and the airbag shell. The airbag shell expands through the gas supplied by the gas inlet.

3. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The injection needle has a conical structure and is equipped with micropores inside. The micropores are connected to the repair material through the main channel inside the injection tube, and the injection volume is controlled by a micro motor in the control line channel.

4. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The pulley telescopic shaft and the camera are both fixedly mounted on the surface of the telescopic rotating arm, and the pulley telescopic shaft and pulley are provided with four sets of support devices for movement.

5. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The pipe support wall is made of rubber and expands into a cylindrical shape. Its inner surface is provided with a magnetic attraction area. After the pipe support wall expands, it fits against the inner wall of the pipe body. The lifting support plate is provided with a detachable magnetic attraction component. The magnetic attraction area of ​​the pipe support wall and the magnetic attraction component on the lifting support plate are used in conjunction.

6. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The supplementary hose injects repair material into the crack in the pipe body through the micro-hole of the repair needle, and the airbag shell pressurizes and solidifies the repair material by expansion.

7. The trenchless repair device for underground drainage plastic pipes according to claim 1, characterized in that: The motor controller of the rotating mechanical shaft adjusts the extension range of the telescopic support arm and the rotation angle of the telescopic rotating arm in coordination with the inner diameter of the pipe and the deformation position.

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