Mechanical guiding device for trenchless underground pipeline repair

By designing a mechanical guide device for repair of non-excavated underground pipelines, the guide device is fixed by using movable telescopic rods and positioning plates, and the size is adjusted by lateral and longitudinal telescopic rods, the damage caused by friction between the inner liner and the pipe port is solved. The problem has achieved more efficient and high-quality repair results.

CN222437382UActive Publication Date: 2025-02-07HEFEI FULITONG CONSTR ENG CO LTD
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Patent Information

Application Number
CN202420627091.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-02-07
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

Prior Art During the repair of non-excavated underground pipelines, the friction between the inner liner pipe and the edge of the pipe port causes damage to the inner liner pipe.

Method used

A mechanical guide device for repairing non-excavated underground pipelines is designed. The guide device is fixed through the movable telescopic rod and positioning plate on the inner side of the positioning device, and the size of the guide device is adjusted through the transverse and longitudinal telescopic rods to reduce the inner liner and pipe. Port friction.

Benefits of technology

Effectively fixing and adjusting the guide device reduces friction between the liner tube and the pipe port, protects the liner tube, and improves repair efficiency and quality.

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Abstract

The utility model belongs to the technical field of pipeline repair, and particularly relates to a mechanical guiding device for trenchless underground pipeline repair. The pipeline repairing device comprises a guide device, a positioning device is arranged on one side of the guide device, a pipeline port is connected to one side of the positioning device, a pipeline to be repaired is arranged on one side of the pipeline port, a movable telescopic rod is arranged on the inner side of the positioning device, and a positioning plate is arranged on the inner side of the positioning device. The positioning device comprises three groups of positioning plates, the three groups of positioning plates are distributed in an annular array, the positioning plates are movably connected with the positioning device through the movable telescopic rods, the two groups of movable telescopic rods are arranged at equal intervals, and the guide device is arranged to position and guide the inner lining pipe. And the transverse size and the longitudinal size can be adjusted through the transverse telescopic rod and the longitudinal telescopic rod, and therefore the effect of adjusting the size of the guiding device is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline repair, in particular to a mechanical guide device for trenchless underground pipeline repair. Background Art

[0002] Pipeline trenchless construction is an advanced pipeline construction technology. The so-called trenchless construction is an engineering construction technology that completes the laying, replacement and repair of various underground pipelines with the least amount of surface excavation. At present, the commonly used repair methods mainly include soft lining method, spraying method and improved lining method, among which the improved lining method is the most commonly used method. The material used in the improved lining method is usually HDPE thin-walled liner. This method is to deform the liner mechanically before construction to deform its cross section, then put it into the old pipe, and finally restore it to its original shape and size by heating, pressurizing or relying on natural action, so as to form a close fit with the old pipe.

[0003] The prior art has the following problems:

[0004] In the existing technology, one end of the liner pipe is generally directly inserted into the pipeline, and then the liner pipe is continuously pulled by a traction winch to pull the traction rope, so that the liner pipe gradually enters the pipeline. In the process of pulling the liner pipe, the edge of the liner pipe and the pipeline port will rub against each other, causing damage to the liner pipe. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mechanical guiding device for trenchless underground pipeline repair, which solves the problems raised in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mechanical guide device for trenchless underground pipeline repair comprises a guide device, a positioning device is arranged on one side of the guide device, a pipeline port is connected to one side of the positioning device, and a pipeline to be repaired is arranged on one side of the pipeline port.

[0008] As a preferred technical solution of the utility model, a movable telescopic rod is arranged inside the positioning device, and a positioning plate is arranged inside the positioning device.

[0009] As a preferred technical solution of the utility model, there are three groups of positioning plates, which are distributed in a ring array. The positioning plates are movably connected to the positioning device through movable telescopic rods. There are two groups of movable telescopic rods, which are arranged equidistantly.

[0010] As a preferred technical solution of the utility model, a transverse telescopic rod and a longitudinal telescopic rod are arranged on the inner side of the guide device, a sliding block is arranged on one side of the transverse telescopic rod and the longitudinal telescopic rod, a sliding groove is arranged correspondingly at the bottom end of the sliding block, and an inclined guide roller is arranged between the transverse telescopic rod and the longitudinal telescopic rod.

[0011] As a preferred technical solution of the utility model, the transverse telescopic rod and the longitudinal telescopic rod are both slidably connected through a sliding block and a sliding groove, and the inclined guide rollers are movably connected through the transverse telescopic rod and the longitudinal telescopic rod.

[0012] As a preferred technical solution of the utility model, guide rollers are arranged on the outside of the transverse telescopic rod and the longitudinal telescopic rod, and the outsides of the guide rollers and the oblique guide rollers are both made of elastic rubber material.

[0013] As a preferred technical solution of the utility model, an inner lining tube is arranged inside the positioning device, one end of the inner lining tube is connected to a traction rope, and one end of the traction rope is connected to a traction motor.

[0014] Compared with the prior art, the utility model provides a mechanical guide device for trenchless underground pipeline repair, which has the following beneficial effects:

[0015] A mechanical guide device for repairing non-excavated underground pipelines, wherein a movable telescopic rod is arranged inside a positioning device, a positioning plate is arranged inside the positioning device, three groups of positioning plates are arranged, the positioning plates are arranged in a circular array, the positioning plates are movably connected to the positioning device through the movable telescopic rod, two groups of movable telescopic rods are arranged equidistantly, the guide device is effectively fixed by the three groups of positioning plates, and the size of the fixed side of the positioning plate is stably adjusted by the two groups of movable telescopic rods;

[0016] The mechanical guide device for repairing trenchless underground pipelines is provided with a transverse telescopic rod and a longitudinal telescopic rod, both of which are slidably connected with a sliding groove through a sliding block, and the oblique guide rollers are movably connected with each other through the transverse telescopic rod and the longitudinal telescopic rod. The transverse and longitudinal dimensions can be adjusted by the transverse telescopic rod and the longitudinal telescopic rod, so as to achieve the effect of adjusting the dimension of the guide device, and the stability of the adjustment is improved by sliding the sliding block in the sliding groove during adjustment; guide rollers are arranged on the outer sides of the transverse telescopic rod and the longitudinal telescopic rod, and the outer sides of the guide rollers and the oblique guide rollers are both made of elastic rubber material, so that the guide rollers and the oblique guide rollers cooperate to achieve a better guiding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of one side of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model from the other side;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning plate of the utility model.

[0021] In the figure: 1. Guide device; 101. Horizontal telescopic rod; 102. Longitudinal telescopic rod; 103. Sliding block; 104. Sliding groove; 105. Oblique guide roller; 106. Guide roller; 2. Positioning device; 201. Movable telescopic rod; 202. Positioning plate; 3. Pipeline port; 4. Pipeline to be repaired; 5. Lining pipe; 6. Towing rope. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment: a mechanical guide device for non-excavation underground pipeline repair includes a guide device 1, which is used for installation guidance of an inner liner pipe 5. A positioning device 2 is provided on one side of the guide device 1, which is used to fix the guide device 1 on one side of a pipe to be repaired 4. One side of the positioning device 2 is connected to a pipe port 3, and one side of the pipe port 3 is provided with the pipe to be repaired 4.

[0024] In this embodiment, a movable telescopic rod 201 is arranged on the inner side of the positioning device 2, and a positioning plate 202 is arranged on the inner side of the positioning device 2. The number of the positioning plates 202 is arranged in three groups, and the positioning plates 202 are distributed in a ring array. The positioning plates 202 are movably connected to the positioning device 2 through the movable telescopic rod 201. The number of the movable telescopic rods 201 is arranged in two groups, and the movable telescopic rods 201 are arranged equidistantly. In this way, the three groups of positioning plates 202 are effectively fixed to the guide device 1, and the fixed side size of the positioning plate 202 is stably adjusted by the two groups of movable telescopic rods 201; a transverse telescopic rod 101 and a longitudinal telescopic rod 102 are arranged on the inner side of the guide device 1, and a sliding block 103 is arranged on one side of the transverse telescopic rod 101 and the longitudinal telescopic rod 102, and a sliding groove 104 is correspondingly arranged at the bottom end of the sliding block 103, and an oblique guide roller 105 is arranged between the transverse telescopic rod 101 and the longitudinal telescopic rod 102. 102 are slidably connected to the sliding groove 104 through the sliding block 103, and the oblique guide rollers 105 are movably connected through the transverse telescopic rod 101 and the longitudinal telescopic rod 102. In this way, the transverse and longitudinal dimensions can be adjusted through the transverse telescopic rod 101 and the longitudinal telescopic rod 102, so as to achieve the effect of adjusting the size of the guide device 1, and the sliding block 103 slides in the sliding groove 104 during adjustment to improve the stability of the adjustment; guide rollers 106 are arranged on the outside of the transverse telescopic rod 101 and the longitudinal telescopic rod 102, and the outsides of the guide rollers 106 and the oblique guide rollers 105 are both set to elastic rubber material. In this way, the guiding rollers 106 and the oblique guide rollers 105 cooperate to achieve a better guiding effect. An inner lining tube 5 is arranged inside the positioning device 2, and one end of the inner lining tube 5 is connected to a traction rope 6, and one end of the traction rope 6 is connected to a traction motor. In this way, the traction motor drives the inner lining tube 5 inside the guide device 1 to move through the traction rope 6.

[0025] The working principle and use process of the utility model are as follows: when in use, the guide device 1 is set on the pipe port 3, and the positioning plate 202 is driven by two sets of movable telescopic rods 201 to hold the inner wall of the pipe 4 to be repaired for fixing, and the guide device 1 is effectively fixed by three sets of positioning plates 202. The traction collection is driven by the traction motor through the traction rope 6 to move the inner liner pipe 5 inside the guide device 1, and the lateral and longitudinal dimensions can be adjusted by the lateral telescopic rod 101 and the longitudinal telescopic rod 102, so as to achieve the effect of adjusting the size of the guide device 1, and the internal guide roller 106 and the inclined guide roller 105 cooperate to achieve a better guiding effect.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mechanical guide device for trenchless underground pipeline repair, comprising a guide device (1), characterized in that: A positioning device (2) is provided on one side of the guide device (1), a pipeline port (3) is connected to one side of the positioning device (2), and a pipeline to be repaired (4) is provided on one side of the pipeline port (3); A movable telescopic rod (201) is arranged inside the positioning device (2), and a positioning plate (202) is arranged inside the positioning device (2); A transverse telescopic rod (101) and a longitudinal telescopic rod (102) are arranged on the inner side of the guide device (1); a sliding block (103) is arranged on one side of the transverse telescopic rod (101) and the longitudinal telescopic rod (102); a sliding groove (104) is correspondingly arranged at the bottom end of the sliding block (103); and an inclined guide roller (105) is arranged between the transverse telescopic rod (101) and the longitudinal telescopic rod (102).

2. A mechanical guide device for trenchless underground pipeline repair according to claim 1, characterized in that: The number of the positioning plates (202) is three, and the positioning plates (202) are distributed in a ring array. The positioning plates (202) are movably connected to the positioning device (2) via movable telescopic rods (201). The number of the movable telescopic rods (201) is two, and the movable telescopic rods (201) are arranged at equal distances.

3. The mechanical guide device for trenchless underground pipeline repair according to claim 1, characterized in that: The transverse telescopic rod (101) and the longitudinal telescopic rod (102) are both slidably connected via a sliding block (103) and a sliding groove (104), and the inclined guide rollers (105) are movably connected via the transverse telescopic rod (101) and the longitudinal telescopic rod (102).

4. The mechanical guide device for trenchless underground pipeline repair according to claim 1, characterized in that: Guide rollers (106) are arranged on the outside of the transverse telescopic rod (101) and the longitudinal telescopic rod (102), and the outsides of the guide rollers (106) and the oblique guide rollers (105) are both made of elastic rubber material.

5. The mechanical guide device for trenchless underground pipeline repair according to claim 1, characterized in that: An inner lining tube (5) is arranged inside the positioning device (2), one end of the inner lining tube (5) is connected to a traction rope (6), and one end of the traction rope (6) is connected to a traction motor.