CN221042176U

CN221042176U - Non-excavation pipeline draw gear

Info

Publication number: CN221042176U
Application number: CN202322584228.7U
Authority: CN
Inventors: 何永宏
Original assignee: Anhui Chenxing Municipal Engineering Co ltd
Current assignee: Anhui Chenxing Municipal Engineering Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-28
Anticipated expiration: 2033-09-22

Abstract

The utility model relates to the technical field of non-excavation pipeline repair, and particularly discloses a non-excavation pipeline traction device. The non-excavation pipeline traction device comprises a lining pipe, a fixing assembly and a traction frame, wherein the fixing assembly is used for fixing the head of the lining pipe and comprises a fixing ring, the fixing ring is fixedly connected with a plurality of arc-shaped supporting plates, and the outer walls of the arc-shaped supporting plates are attached to the inner wall of the lining pipe; the traction frame is provided with a plurality of traction rings, the traction rings are hinged with an adjusting plate, and idler wheels are arranged on the adjusting plate. According to the utility model, the connecting assembly is arranged between the fixing assembly and the traction frame as well as between the two traction frames, when a travelling pipeline is bent, the first buffer plate and the second buffer plate can rotate to squeeze the spring between the two, so that the first buffer plate and the second buffer plate can reset under the action of spring force when the position of a bend is reached to the position of a straight pipe, and the connecting assembly is suitable for the insertion work of the inner lining pipe of the bent pipe and the straight pipe.

Description

Non-excavation pipeline draw gear

Technical Field

The utility model belongs to the technical field of non-excavation pipeline repair, and particularly relates to a non-excavation pipeline traction device.

Background

Trenchless pipelines, also known as trenchless pipelines or trenchless pipelines, are a technique for installing and repairing pipelines without the need for ground excavation. The method utilizes modern engineering technology and equipment to complete the arrangement, repair and replacement of the pipeline on the ground or with the assistance of other pipelines.

In the Chinese patent with the publication number of CN 219453266 U3, a non-excavation pipeline traction device is mentioned, the length of a supporting mechanism in the pipeline wall can be adjusted by a transmission structure for a supporting mechanism in the process of repairing a repaired pipeline by a traction hose so as to be attached to the inner wall of the repaired pipeline, and the problems that the supporting mechanism in the pipeline wall cannot be contacted with the inner wall of the pipeline due to the fact that the inner diameter of the pipeline is different and the pipeline with the overlarge diameter is prevented, so that the use quality of the pipeline is reduced are solved;

However, when the device is used, the internal support assembly is closed and connected through the telescopic connecting rod B, and the device can shrink but cannot move inside the bent pipe, so that the device can be only suitable for the internal repair work of the straight pipe, has a small application range and is inconvenient to popularize.

Disclosure of utility model

The utility model aims to provide a non-excavation pipeline traction device which aims to solve the problems of the background technology.

In order to achieve the above purpose, the utility model provides the following technical scheme, which comprises a lining pipe, a fixing component and a traction frame, wherein the fixing component is used for fixing the head part of the lining pipe and comprises a fixing ring, the fixing ring is fixedly connected with a plurality of arc-shaped supporting plates, and the outer walls of the arc-shaped supporting plates are attached to the inner walls of the lining pipe;

The traction frames are provided with a plurality of traction rings, the traction rings are hinged with an adjusting plate, and idler wheels are arranged on the adjusting plate;

The connecting assembly is used for connecting the two adjacent traction frames and is used for connecting the traction frames with the fixing assembly;

The connecting assembly comprises a first fixed plate and a second fixed plate, the first fixed plate is rotationally connected with a first buffer plate, a square groove is formed in the first buffer plate, the first buffer plate is fixedly connected with a fixed block, the fixed block is connected with a spring, and the other end of the spring is fixedly connected with a movable frame;

The movable frame is fixedly connected with a sliding block, the sliding block is inserted into the square groove and is in sliding connection with the square groove, the sliding block is rotationally connected with a second buffer plate, and the second buffer plate is rotationally connected with a second fixed plate;

the traction ring is fixedly connected with the bottom plate, the adjusting plate is hinged with the adjusting rod, one end of the adjusting rod, which is far away from the adjusting plate, is hinged with the contraction plate, the contraction plate is connected with the expansion device, the other end of the expansion device is arranged on the bottom plate, and the contraction plate is provided with the connecting ring.

Preferably, a plurality of the arc-shaped support plates are equally spaced on the outer surface of the fixing ring.

Preferably, the number of rollers mounted on each adjusting plate is two.

Preferably, the number of the first buffer plates connected with each first fixing plate is two, and the two first buffer plates are respectively located at two sides of the first fixing plate, and the first fixing plate is fixedly provided with a first limiting plate for limiting the rotation range of the first buffer plates.

Preferably, the second fixing plate is fixedly provided with a second limiting plate for limiting the rotation amplitude of the second buffer plate.

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

According to the utility model, the connecting assembly is arranged between the fixing assembly and the traction frame as well as between the two traction frames, when a travelling pipeline is bent, the first buffer plate and the second buffer plate can rotate to squeeze the spring between the two, so that the first buffer plate and the second buffer plate can reset under the action of spring force through the position of a bend to reach the position of a straight pipe, and the connecting assembly is suitable for the insertion work of the inner lining pipe of the bent pipe and the straight pipe and has wide application range.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of the structure of fig. 1a according to the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a schematic diagram of the structure of fig. 3B according to the present utility model.

Fig. 5 is a left side view of the present utility model.

In the figure: 1. an inner liner tube; 2. a fixing assembly; 201. a fixing ring; 202. an arc-shaped supporting plate; 3. a traction frame; 301. a traction ring; 302. an adjusting plate; 303. a roller; 4. a connection assembly; 401. a first fixing plate; 402. a first buffer plate; 403. a first limiting plate; 404. a square groove; 405. a spring; 406. a moving rack; 407. a slide block; 408. a second buffer plate; 409. a second fixing plate; 5. an adjusting rod; 6. a shrink plate; 7. a telescoping device; 8. a bottom plate; 9. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a non-excavation pipeline traction device comprises a lining pipe 1, a fixing component 2 and a traction frame 3, wherein the fixing component 2 is used for fixing the head of the lining pipe 1, the fixing component 2 comprises a fixing ring 201, the fixing ring 201 is fixedly connected with a plurality of arc-shaped supporting plates 202, the outer walls of the arc-shaped supporting plates 202 are attached to the inner wall of the lining pipe 1, and the arc-shaped supporting plates 202 are distributed on the outer surface of the fixing ring 201 at equal intervals;

The traction frame 3 is provided with a plurality of traction rings 301, the traction rings 301 are hinged with adjusting plates 302, rollers 303 are arranged on the adjusting plates 302, and the number of the rollers 303 arranged on each adjusting plate 302 is two;

The device further comprises a connecting component 4, wherein the connecting component 4 is used for connecting two adjacent traction frames 3, and the connecting component 4 is used for connecting the traction frames 3 with the fixing component 2;

The connecting assembly 4 comprises a first fixing plate 401 and a second fixing plate 409, the first fixing plate 401 is rotationally connected with first buffer plates 402, square grooves 404 are formed in the first buffer plates 402, the number of the first buffer plates 402 connected with each first fixing plate 401 is two, the two first buffer plates 402 are respectively positioned on two sides of the first fixing plate 401, the first fixing plate 401 is fixedly provided with a first limiting plate 403 for limiting the rotation amplitude of the first buffer plates 402, the first buffer plates 402 are fixedly connected with fixing blocks, the fixing blocks are connected with springs 405, and the other ends of the springs 405 are fixedly connected with a movable frame 406;

The movable frame 406 is fixedly connected with the sliding block 407, the sliding block 407 is inserted into the square groove 404, the sliding block 407 is in sliding connection with the square groove 404, the sliding block 407 is rotationally connected with the second buffer plate 408, the second buffer plate 408 is rotationally connected with the second fixing plate 409, and the second fixing plate 409 is fixedly provided with a second limiting plate for limiting the rotation range of the second buffer plate 408;

The traction ring 301 is fixedly connected with the bottom plate 8, the adjusting plate 302 is hinged with the adjusting rod 5, one end of the adjusting rod 5, which is far away from the adjusting plate 302, is hinged with the contraction plate 6, the contraction plate 6 is connected with the expansion device 7, the other end of the expansion device 7 is arranged on the bottom plate 8, and the contraction plate 6 is provided with the connecting ring 9.

Working principle:

when the utility model is used, the lining pipe 1 is arranged on the fixed component 2, the traction frame 3 is connected with the connecting ring 9 through the adjusting rod 5, the contraction plate 6 and other parts, the connecting ring 9 is connected with the excavating device, and the excavating device is used for walking underground and inserting the lining pipe 1 into the underground pipeline;

through set up coupling assembling 4 between fixed subassembly 2 and traction frame 3, two traction frames 3, when the pipeline of marcing has the buckling, first buffer board 402, second buffer board 408 can rotate, extrudees the spring 405 between the two to through the position of bend, reach the position department of straight tube, first buffer board 402 and second buffer board 408 can reset under the effect of spring 405 elasticity, be applicable to the inside lining pipe 1 interlude work of return bend, straight tube, application scope is wide.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A trenchless pipeline traction device, comprising an inner liner pipe (1), a fixing assembly (2), and a traction frame (3), characterized in that the fixing assembly (2) is used to fix the head of the inner liner pipe (1), the fixing assembly (2) comprises a fixing ring (201), the fixing ring (201) is fixedly connected with a plurality of arc-shaped support plates (202), and the outer wall of the arc-shaped support plate (202) is in contact with the inner wall of the inner liner pipe (1);

The traction frame (3) is provided with a plurality of traction frames (3), the traction frame (3) comprises a traction ring (301), the traction ring (301) is hingedly connected to an adjustment plate (302), and a roller (303) is installed on the adjustment plate (302);

It also includes a connecting assembly (4), the connecting assembly (4) is used to connect two adjacent traction frames (3), and the connecting assembly (4) is used to connect the traction frame (3) and the fixing assembly (2);

The connecting assembly (4) comprises a first fixing plate (401) and a second fixing plate (409); the first fixing plate (401) is rotatably connected to the first buffer plate (402); a square groove (404) is provided in the first buffer plate (402); the first buffer plate (402) is fixedly connected to a fixing block; the fixing block is connected to a spring (405); the other end of the spring (405) is fixedly connected to a moving frame (406);

The movable frame (406) is fixedly connected to the slider (407), the slider (407) is inserted into the square groove (404), and the slider (407) is slidably connected to the square groove (404), the slider (407) is rotatably connected to the second buffer plate (408), and the second buffer plate (408) is rotatably connected to the second fixed plate (409);

The traction ring (301) is fixedly connected to the bottom plate (8), the adjustment plate (302) is hinged to the adjustment rod (5), one end of the adjustment rod (5) away from the adjustment plate (302) is hinged to the contraction plate (6), the contraction plate (6) is connected to the telescopic device (7), the other end of the telescopic device (7) is installed on the bottom plate (8), and a connecting ring (9) is installed on the contraction plate (6).

2. A trenchless pipeline traction device according to claim 1, characterized in that a plurality of said arc-shaped support plates (202) are evenly spaced and distributed on the outer surface of the fixing ring (201).

3. A trenchless pipe traction device according to claim 1, characterized in that the number of rollers (303) installed on each of the adjustment plates (302) is two.

4. A trenchless pipeline traction device according to claim 1, characterized in that the number of first buffer plates (402) connected to each first fixed plate (401) is two, and the two first buffer plates (402) are respectively located on both sides of the first fixed plate (401), and a first limit plate (403) for limiting the rotation range of the first buffer plate (402) is fixedly installed on the first fixed plate (401).

5. A trenchless pipeline traction device according to claim 1, characterized in that a second limiting plate for limiting the rotation range of the second buffer plate (408) is fixedly installed on the second fixed plate (409).