Traction device for non-excavation repair of municipal pipeline

Abstract

The utility model discloses a non-excavation repair traction device for municipal pipelines. The non-excavation repair traction device comprises a base, a rotating rod connected to the top end of the base and a traction rope wound around the outer portion of the rotating rod. A connecting assembly is arranged at the bottom end of the base, a first fixing disc is connected to the other end of the connecting assembly, and a rope pipe is connected to the inner wall of the first fixing disc. A plurality of push rods are slidably connected in the first fixing disc in the circumferential direction at equal intervals, a push plate is connected to the outer wall of each push rod, and a driving mechanism for driving the push rods to move synchronously is arranged on the outer wall of the first fixing disc. According to the non-excavation repair traction device for the municipal pipeline, through the arrangement of the connecting assembly, the first fixing disc can be rapidly driven to ascend and descend, then the first fixing disc is located in the center of a pipeline port, and under the action of the rope pipe, when a traction rope moves in the rotating rod and the rope pipe, friction between the traction rope and the pipeline port is avoided; and the service life of the traction rope is prolonged.

Description

Technical Field

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

[0002] Trenchless refers to the use of various rock and soil drilling equipment and technical means to lay, replace and repair various underground pipelines in a very small part of the surface through guiding and directional drilling. The new construction technology will not hinder traffic, will not damage green space and vegetation, and will not affect the normal life and work order of shops, hospitals, schools and residents. It solves the interference of traditional excavation construction on residents' lives and therefore has a higher social and economic effect.

[0003] In the trenchless repair of municipal pipelines, it is necessary to tow spray equipment or tow the repair lining to repair the pipeline. During the towing process, the end of the towing rope is easily damaged by friction with the end position of the pipeline. Therefore, a towing rope support device needs to be installed at the end position of the pipeline. Utility Model Content

[0004] The purpose of the present utility model is to provide a traction device for trenchless repair of municipal pipelines, so as to solve the problem proposed in the above background technology that in trenchless repair of municipal pipelines, spraying equipment or lining for repair needs to be pulled to repair the pipeline, and the traction rope is easily damaged by friction with the end position of the pipeline during the traction process, so a traction rope support device needs to be provided at the end position of the pipeline.

[0005] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a traction device for trenchless repair of municipal pipelines, comprising a base, a rotating rod connected to the top of the base, and a traction rope wound around the outside of the rotating rod;

[0006] The bottom end of the base is provided with a connecting assembly, the other end of the connecting assembly is connected to a first fixed plate, and the inner wall of the first fixed plate is connected to a rope tube;

[0007] A plurality of push rods are equidistantly and slidably connected to the interior of the first fixed disk. The outer wall of each push rod is connected to a push plate. The outer wall of the first fixed disk is provided with a driving mechanism for driving the plurality of push rods to move synchronously.

[0008] As a preferred technical solution of the present application, the connecting assembly includes an electric push rod, a connecting ring and a connecting rod;

[0009] Two electric push rods are connected to the bottom end of the base, and the bottom ends of the two electric push rods are commonly connected to a connecting ring. A plurality of connecting rods are connected to the connecting ring, and the other ends of the plurality of connecting rods are commonly connected to the outer wall of the first fixed disk.

[0010] As a preferred technical solution of the present application, the driving mechanism includes a second fixed disk, an arc-shaped groove, a sliding rod and a driving member;

[0011] The outer wall of the first fixed disk is rotatably connected to the second fixed disk, the inner wall of the second fixed disk is connected to the outer wall of the rope tube, and the second fixed disk is circumferentially equidistantly provided with a plurality of arc grooves, each of which is slidably connected to a sliding rod, and the bottom end of each sliding rod is connected to the push rod.

[0012] As a preferred technical solution of the present application, a plurality of sliding grooves are equidistantly provided inside the first fixed disk in a circumferential direction, and each of the push rods is slidably connected inside the sliding groove.

[0013] As a preferred technical solution of this application, the driving member includes a gear block, a gear and a stepping motor;

[0014] The side wall of the second fixed disk is equidistantly connected with a plurality of tooth blocks, the outer walls of the plurality of tooth blocks are meshed with gears, the outer wall of the first fixed disk is connected to a stepper motor, and the output end of the stepper motor is sleeved with the bottom end of the gear.

[0015] As a preferred technical solution of the present application, each of the sliding rods is connected to a limiting block, and the outer wall of each of the limiting blocks is in contact with the outer wall of the second fixed plate.

[0016] As a preferred technical solution of the present application, both ends of the rope tube are configured to be open, and the outer walls of both ends of the rope tube are configured to be arc-shaped.

[0017] As a preferred technical solution of the present application, the outer wall of each push plate is configured to be arc-shaped, and the outer wall of each push plate is provided with anti-slip grooves.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. By providing a connecting assembly, the first fixed plate can be quickly driven up and down, thereby placing the first fixed plate at the center of the pipe end. Under the action of the rope tube, the traction rope will not rub against the pipe end when moving inside the rotating rod and the rope tube, thereby extending the service life of the traction rope;

[0020] 2. By providing a driving mechanism, the push plate can be made to abut against the inner wall of the pipe, thereby supporting the inner wall of the pipe. At the same time, since the rope tube is located in the center of the pipe, when the traction rope drives the repair equipment to move inside the rope tube, the repair equipment will not shake or deviate, thereby improving the effect of pipeline repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the first fixed disk, the second fixed disk, the rope tube, the arc-shaped slot, the push rod, the push plate, the gear and the stepping motor of the utility model;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the first fixing plate, the second fixing plate and the rope tube in the disassembled state of the utility model.

[0025] In the figure: 1. base; 2. rotating rod; 3. traction rope; 4. electric push rod; 5. connecting ring; 6. connecting rod; 7. first fixed plate; 8. second fixed plate; 9. rope tube; 10. arc groove; 11. sliding rod; 12. sliding groove; 13. push rod; 14. push plate; 15. gear block; 16. gear; 17. stepping motor. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The utility model provides a technical solution: a municipal pipeline trenchless repair traction device, comprising a base 1, a rotating rod 2 connected to the top of the base 1, and a traction rope 3 wrapped around the outside of the rotating rod 2; a driving motor is installed on the outer wall of the base 1, and the output end of the driving motor is socketed with the end of the rotating rod 2.

[0028] A connecting assembly is provided at the bottom end of the base 1, and the other end of the connecting assembly is connected to a first fixed plate 7, and the inner wall of the first fixed plate 7 is connected to a rope tube 9; by providing the connecting assembly, the first fixed plate 7 can be quickly driven up and down, so that the first fixed plate 7 is in the center position of the pipe port. Under the action of the rope tube 9, when the traction rope 3 moves inside the rotating rod 2 and the rope tube 9, no friction will be generated with the pipe port, thereby improving the service life of the traction rope 3.

[0029] A plurality of push rods 13 are connected to the first fixed disk 7 for sliding connection in the circumferential direction at equal intervals. A push plate 14 is connected to the outer wall of each push rod 13. A driving mechanism for driving the plurality of push rods 13 to move synchronously is provided on the outer wall of the first fixed disk 7. By providing the driving mechanism, the push plate 14 can be made to abut against the inner wall of the pipe, thereby supporting the inner wall of the pipe. At the same time, since the rope tube 9 is in the center of the pipe, when the traction rope 3 drives the repair equipment to move inside the rope tube 9, the repair equipment will not shake or deviate, thereby improving the effect of pipeline repair.

[0030] In a preferred embodiment, the connecting assembly includes an electric push rod 4, a connecting ring 5 and a connecting rod 6;

[0031] Two electric push rods 4 are connected to the bottom end of the base 1, and the bottom ends of the two electric push rods 4 are commonly connected to a connecting ring 5. A plurality of connecting rods 6 are connected to the connecting ring 5, and the other ends of the plurality of connecting rods 6 are commonly connected to the outer wall of the first fixed plate 7; by providing a connecting component, the first fixed plate 7 can be quickly driven up and down, so that the first fixed plate 7 is in the center position of the pipeline port.

[0032] In a preferred embodiment, the driving mechanism includes a second fixed disk 8, an arc-shaped slot 10, a slide rod 11 and a driving member;

[0033] The outer wall of the first fixed disk 7 is rotatably connected to the second fixed disk 8, and the inner wall of the second fixed disk 8 is connected to the outer wall of the rope tube 9. A plurality of arc grooves 10 are equidistantly provided on the second fixed disk 8 in the circumferential direction, and a slide rod 11 is slidably connected inside each arc groove 10, and the bottom end of each slide rod 11 is connected to the push rod 13; by providing a driving mechanism, the push plate 14 can be made to abut against the inner wall of the pipeline, thereby supporting the inner wall of the pipeline. At the same time, since the rope tube 9 is in the center of the pipeline, when the traction rope 3 drives the repair equipment to move inside the rope tube 9, the repair equipment will not shake or deviate, thereby improving the effect of pipeline repair.

[0034] In a preferred embodiment, a plurality of slide grooves 12 are equidistantly provided inside the first fixed disk 7 circumferentially, and each push rod 13 is slidably connected inside the slide groove 12 ; the slide grooves 12 can limit the movement of the push rod 13 .

[0035] In a preferred embodiment, the driving member includes a gear block 15, a gear 16 and a stepping motor 17;

[0036] A plurality of tooth blocks 15 are equidistantly connected to the side wall of the second fixed disk 8, and a gear 16 is meshed with the outer wall of the plurality of tooth blocks 15. A stepper motor 17 is connected to the outer wall of the first fixed disk 7, and the output end of the stepper motor 17 is sleeved with the bottom end of the gear 16. Through the setting of the driving member, the second fixed disk 8 is rotated, so that the push rod 13 drives the push plate 14 to fit the inner wall of the pipe, thereby making the first fixed disk 7 in the center position of the pipe, and at the same time supporting the inner wall of the pipe.

[0037] In a preferred embodiment, each slide rod 11 is connected to a limiting block, and the outer wall of each limiting block is in contact with the outer wall of the second fixed plate 8 to reduce damage to the end of the slide rod 11.

[0038] In a preferred embodiment, both ends of the rope tube 9 are set to be open, and the outer walls of both ends of the rope tube 9 are set to be arc-shaped; this can reduce the wear between the traction rope 3 and the rope tube 9, and avoid the traction rope 3 and the rope tube 9 from breaking due to excessive friction when they contact at the bending part.

[0039] In a preferred embodiment, the outer wall of each push plate 14 is configured to be arc-shaped, and the outer wall of each push plate 14 is provided with anti-slip grooves; the friction between each push plate 14 and the inner wall of the pipeline can be increased, thereby improving the stability between the push plate 14 and the pipeline.

[0040] Working principle: First, after laying the base 1 on the ground, the connecting ring 5 is driven to rise and fall underground by the electric push rod 4 until the first fixed disk 7 moves to the pipe port area, and then the gear 16 is driven to rotate by the stepper motor 17, so that the gear 16 drives the gear block 15 connected to the second fixed disk 8 to rotate on the first fixed disk 7, so that the slide rod 11 slides inside the arc groove 10, and then drives the slide rod 11 connected to the push rod 13 to slide inside the slide groove 12, so that the push rod 13 drives the push plate 14 to abut against the inner wall of the pipe, thereby supporting the inner wall of the pipe. At the same time, since the rope tube 9 is in the center position of the pipe, when the traction rope 3 drives the repair equipment to move inside the rope tube 9, the repair equipment will not shake or deviate, thereby improving the repair effect.

[0041] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A traction device for trenchless repair of a municipal pipeline, comprising a base (1), a rotating rod (2) connected to the top of the base (1), and a traction rope (3) wound around the outside of the rotating rod (2); characterized in that: A connecting assembly is provided at the bottom end of the base (1), the other end of the connecting assembly is connected to a first fixed disk (7), and the inner wall of the first fixed disk (7) is connected to a rope tube (9); The first fixed disk (7) is internally circumferentially equidistantly slidably connected to a plurality of push rods (13), the outer wall of each push rod (13) is connected to a push plate (14), and the outer wall of the first fixed disk (7) is provided with a driving mechanism for driving the plurality of push rods (13) to move synchronously.

2. A municipal pipeline trenchless repair traction device according to claim 1, characterized in that: The connecting assembly comprises an electric push rod (4), a connecting ring (5) and a connecting rod (6); The bottom end of the base (1) is connected to two electric push rods (4), the bottom ends of the two electric push rods (4) are commonly connected to a connecting ring (5), the connecting ring (5) is connected to multiple connecting rods (6), and the other ends of the multiple connecting rods (6) are commonly connected to the outer wall of the first fixed disk (7).

3. The municipal pipeline trenchless repair traction device according to claim 1, characterized in that: The driving mechanism comprises a second fixed disk (8), an arc-shaped groove (10), a sliding rod (11) and a driving member; The outer wall of the first fixed disk (7) is rotatably connected to the second fixed disk (8), the inner wall of the second fixed disk (8) is connected to the outer wall of the rope tube (9), and a plurality of arc grooves (10) are equidistantly provided on the second fixed disk (8) in the circumferential direction, each of the arc grooves (10) is slidably connected to a slide rod (11), and the bottom end of each slide rod (11) is connected to the push rod (13).

4. A municipal pipeline trenchless repair traction device according to claim 3, characterized in that: A plurality of sliding grooves (12) are equidistantly provided inside the first fixed disk (7) in a circumferential direction, and each of the push rods (13) is slidably connected inside the sliding groove (12).

5. The municipal pipeline trenchless repair traction device according to claim 3, characterized in that: The driving member includes a gear block (15), a gear (16) and a stepping motor (17); The side wall of the second fixed disk (8) is equidistantly connected to a plurality of tooth blocks (15), the outer walls of the plurality of tooth blocks (15) are meshed with gears (16), the outer wall of the first fixed disk (7) is connected to a stepper motor (17), and the output end of the stepper motor (17) is sleeved with the bottom end of the gear (16).

6. The municipal pipeline trenchless repair traction device according to claim 3, characterized in that: Each of the sliding rods (11) is connected to a limiting block, and the outer wall of each of the limiting blocks is fitted onto the outer wall of the second fixed plate (8).

7. The municipal pipeline trenchless repair traction device according to claim 1, characterized in that: Both ends of the rope tube (9) are configured to be open, and the outer walls of both ends of the rope tube (9) are configured to be arc-shaped.

8. The municipal pipeline trenchless repair traction device according to claim 1, characterized in that: The outer wall of each push plate (14) is configured to be arc-shaped, and the outer wall of each push plate (14) is provided with anti-slip grooves.

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