Non-excavation repairing device for municipal pipeline

By designing support components and drive mechanisms in municipal pipeline non-excavation repair devices, and using threaded rods and connecting rods to support the inner wall of the pipeline, the problems of existing devices' deviation and poor stability at collapse are solved, and higher installation accuracy is achieved .

CN222142403UActive Publication Date: 2024-12-10GUANGZHOU NO 2 MUNICIPAL ENG CO LTD
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Patent Information

Application Number
CN202420279305.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-05
Publication Date
2024-12-10
Estimated Expiration
2034-02-05

AI Technical Summary

Technical Problem

The existing municipal pipeline non-excavation repair equipment is prone to drop dust and impurities at the collapsed place, resulting in offsetting the repair equipment and poor stability, which affects the installation accuracy of the repair pipe.

Method used

A non-excavation repair device of municipal pipelines is designed, including a pipeline body, a support assembly and a driving mechanism. The support assembly supports the inner wall of the pipeline through threaded rods, connecting rods and support plates. The driving mechanism is driven by a stepper motor and an active wheel. The threaded rod rotates to ensure the stability of the device in the pipe.

Benefits of technology

Improve the stability of the device in the pipeline, avoid center deviation, and enhance the installation accuracy of the repair pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of municipal engineering, in particular to a municipal pipeline non-excavation repairing device which comprises a supporting assembly, the supporting assembly comprises a threaded rod, the threaded rod is rotationally installed in the middle of the interior of a first machine shell, and a fixing plate is rotationally installed on one side of the periphery of the threaded rod; the fixing plate is fixedly installed in the middle of the inner side wall of one side of the first machine shell, the periphery of the threaded rod is in threaded connection with a movable sleeve, and a plurality of first connecting rods which are evenly distributed are rotationally installed on the periphery of the movable sleeve. The device has the beneficial effects that a driving mechanism can drive a threaded rod to rotate, at the moment, a moving sleeve can axially move along the threaded rod, a first connecting rod and a second connecting rod are matched to eject a supporting plate out of an open groove, then the supporting plate makes contact with the inner wall of the pipeline body, the purpose of supporting the device can be achieved, and the stability of the device in the pipeline body can be improved; therefore, the situation that the center of the first shell deviates from the center of the pipeline too much during repairing, and installation precision of the repaired pipe is affected is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of municipal engineering, in particular to a non-excavation repair device for a municipal pipeline. Background Art

[0002] Municipal pipelines are one of the important infrastructures to maintain social development and ensure people's lives. Municipal pipelines need to be maintained and inspected regularly. Pipeline maintenance mainly includes two methods: excavation maintenance and non-excavation maintenance. Excavation maintenance causes greater damage to roads and is also more costly.

[0003] In the prior art, municipal pipelines are mainly repaired in a trenchless manner, which mainly involves placing a repair pipe at the ruptured portion of the pipeline to repair the pipeline. However, dust and impurities are easily dropped at the collapsed portion, causing the repair device to shift its centerline when it moves to the repair position. The repair device also has poor stability, which in turn affects the installation accuracy of the repair pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a non-excavation repair device for a municipal pipeline to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a non-excavation repair device for municipal pipelines, comprising:

[0006] A pipeline body, wherein a casing 1 is arranged inside the pipeline body, and a plurality of evenly distributed moving wheels are fixedly mounted on the outer periphery of the casing 1;

[0007] A support assembly, the support assembly includes a threaded rod, the threaded rod is rotatably mounted in the middle of a casing, a fixed plate is rotatably mounted on one side of the threaded rod, the fixed plate is fixedly mounted on the middle of an inner side wall of one side of the casing, a movable sleeve is threadedly connected to the outer periphery of the threaded rod, a plurality of evenly distributed connecting rods 1 are rotatably mounted on the outer periphery of the movable sleeve, a plurality of evenly distributed connecting rods 2 are rotatably mounted on the outer periphery of the fixed plate, the middle parts of the connecting rods 1 and 2 are connected by pins in pairs, the ends of the connecting rods 1 and 2 are rotatably mounted with support plates in pairs, and a driving mechanism is mounted on the other side of the casing, and the driving mechanism is used to drive the threaded rod to rotate;

[0008] A moving component is arranged on one side of the casing and is used for pushing the repair tube.

[0009] Preferably, a plurality of evenly distributed anti-slip grooves are provided on the outer circumference of the support plate.

[0010] Preferably, the moving component includes a second casing, the second casing is fixedly mounted in the middle of one side of the first casing, a plurality of evenly distributed slots are opened on the outer periphery of the first casing, moving plates are slidably mounted in the slots, a mounting circular plate is fixedly mounted on one side of the moving plates close to each other, an electric push rod is symmetrically fixedly mounted in the middle of the second casing, and the driving end of the electric push rod is symmetrically fixedly mounted on the surface of the mounting circular plate.

[0011] Preferably, a limiting groove is provided in the middle of one side of the movable plate away from the casing, and the limiting groove is adapted to the repair tube.

[0012] Preferably, the driving mechanism includes a fixed frame, which is fixedly installed on the other side of the casing, a stepper motor is fixedly installed in the middle of the fixed frame, a driving wheel is fixedly installed on the driving end of the stepper motor, the driving wheel drives the driven wheel to rotate through a synchronous belt, and the driven wheel is fixedly installed on the end of the threaded rod.

[0013] Preferably, a plurality of evenly distributed opening grooves are formed on an outer periphery of the housing, and the opening grooves are matched with the support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The municipal pipeline non-excavation repair device proposed in the present invention is provided with a support assembly, and the driving mechanism can drive the threaded rod to rotate. At this time, the movable sleeve will move along the axial direction of the threaded rod, and the supporting plate can be pushed out from the open groove in cooperation with the connecting rod one and the connecting rod two, so that the supporting plate contacts the inner wall of the pipeline body, which can achieve the purpose of the supporting device and is beneficial to improving the stability of the device in the pipeline body, thereby avoiding that the center of the casing one deviates too much from the center of the pipeline during repair, affecting the installation accuracy of the repair pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the casing of the utility model;

[0018] Figure 3 This is a schematic diagram of the partial structure of the support assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the second housing of the utility model;

[0020] Figure 5 This is a schematic diagram of the use of the utility model.

[0021] In the figure: 1. Casing 1; 2. Driving mechanism; 21. Driving wheel; 22. Stepping motor; 23. Fixed frame; 24. Driven wheel; 25. Synchronous belt; 3. Opening groove; 4. Repair pipe; 5. Moving assembly; 51. Casing 2; 52. Notch; 53. Limiting groove; 54. Moving plate; 55. Electric push rod; 56. Mounting circular plate; 6. Support assembly; 61. Support plate; 62. Threaded rod; 63. Fixed plate; 64. Connecting rod 1; 65. Connecting rod 2; 66. Moving sleeve; 7. Moving wheel; 8. Pipe body. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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 Figures 1 to 5The utility model provides a technical solution: a non-excavation repair device for a municipal pipeline, comprising: a pipeline body 8, a casing 1 is arranged inside the pipeline body 8, and a plurality of evenly distributed moving wheels 7 are fixedly installed on the outer periphery of the casing 1; a supporting assembly 6, the supporting assembly 6 comprises a threaded rod 62, the threaded rod 62 is rotatably installed in the middle part of the casing 1, a fixed plate 63 is rotatably installed on one side of the outer periphery of the threaded rod 62, the fixed plate 63 is fixedly installed on the middle part of the inner side wall of one side of the casing 1, a moving sleeve 66 is threadedly connected to the outer periphery of the threaded rod 62, a plurality of evenly distributed connecting rods 1 64 are rotatably installed on the outer periphery of the moving sleeve 66, a plurality of evenly distributed connecting rods 2 65 are rotatably installed on the outer periphery of the fixed plate 63, the middle parts of the two connecting rods 1 64 and the two connecting rods 65 are connected by pins, and the ends of the two connecting rods 1 64 and the two connecting rods 65 are respectively rotatably installed with supporting plates 61, a driving mechanism 2 is installed on the other side of the casing, the driving mechanism 2 is used to drive the threaded rod 62 to rotate, and the outer periphery of the supporting plate 61 is provided with A plurality of evenly distributed anti-skid grooves are provided, and the repair pipe 4 is installed on the outer periphery of the casing 2 51, and then the casing 1 is placed inside the pipeline body 8. At this time, the driving source inside the moving wheel 7 will drive the moving wheel 7 to move inside the pipeline body 8. Here, the driving source can be a motor, a servo motor, etc. When the casing 1 moves to the position where the pipeline needs to be repaired, the threaded rod 62 can be rotated by using the driving mechanism 2. Due to the characteristics of the thread, the moving sleeve 66 will move axially along the threaded rod 62 at this time, and the supporting plate 61 can be pushed out from the opening groove 3 by cooperating with the connecting rod 1 64 and the connecting rod 2 65, so that the supporting plate 61 contacts with the inner wall of the pipeline body 8, which can achieve the purpose of the supporting device and is beneficial to improve the stability of the device in the pipeline body 8. Then the moving component 5 will move the repair pipe 4 to the position to be repaired, and the support component 6 will operate to move the supporting plate 61 into the opening groove 3, and then the moving wheel 7 drives the device to exit the pipeline, and the repair pipe 4 will remain in the pipeline to prop up the collapsed part.

[0024] A moving component 5 is arranged on one side of the casing 1. The moving component 5 is used to push the repair tube 4. The moving component 5 includes a casing 2 51. The casing 2 51 is fixedly installed in the middle of one side of the casing 1. A plurality of evenly distributed notches 52 are provided on the outer periphery of the casing 1. Moving plates 54 are slidably installed in the notches 52. A mounting circular plate 56 is fixedly installed on one side of the moving plates 54 close to each other. An electric push rod 55 is symmetrically fixedly installed in the middle of the casing 2 51. The driving end of the electric push rod 55 is symmetrically fixedly installed on the surface of the mounting circular plate 56. A limiting groove 53 is provided in the middle of one side of the moving plate 54 away from the casing 1, and the limiting groove 53 is adapted to the repair tube 4. By controlling the electric push rod 55, the electric push rod 55 will cooperate with the mounting circular plate 56, the notch 52 and the moving plate 54 to move the repair tube 4, which is beneficial for the staff to place the repair tube 4 at the position to be repaired.

[0025] The driving mechanism 2 includes a fixing frame 23, which is fixedly mounted on the other side of the casing 1. A stepper motor 22 is fixedly mounted in the middle of the fixing frame 23. A driving wheel 21 is fixedly mounted on the driving end of the stepper motor 22. The driving wheel 21 drives the driven wheel 24 to rotate through a synchronous belt 25. The driven wheel 24 is fixedly mounted on the end of the threaded rod 62. A plurality of evenly distributed open grooves 3 are provided on the outer periphery of the casing 1. The open grooves 3 are adapted to the support plate 61. By controlling the stepper motor 22, the stepper motor 22 drives the driving wheel 21 to rotate. Since the driving wheel 21 is connected to the driven wheel 24 through the synchronous belt 25, the driven wheel 24 will drive the threaded rod 62 to rotate, which is convenient for the support assembly 6 to support. At the same time, by controlling the forward and reverse rotation of the stepper motor 22, the forward and reverse rotation of the threaded rod 62 can be realized, which is beneficial to the opening and closing of the support plate 61.

[0026] During actual use, the staff places the device body in the pipeline body 8. At this time, the moving wheel 7, with the cooperation of the internal driving source, can realize that the housing 1 can move into the pipeline body 8. When the repair device moves to the position to be repaired, the stepper motor 22 in the driving mechanism 2 cooperates with the active wheel 21, the driven wheel 24 and the active wheel 21 to drive the threaded rod 62 to rotate. At this time, the moving sleeve 66 will move axially along the threaded rod 62, and cooperate with the connecting rod 1 64 and the connecting rod 2 65 to push the support plate 61 out of the opening groove 3, so that the support plate 61 contacts the inner wall of the pipeline body 8, which can achieve the purpose of supporting the device and is beneficial to improve the stability of the device in the pipeline body 8. At the same time, the electric push rod 55 in the moving component 5 will cooperate with the installation circular plate 56, the notch 52 and the moving plate 54 to move the repair tube 4 until the repair tube 4 is placed in a suitable position. After the repair tube 4 is installed, the driving mechanism 2 cooperates with the threaded rod 62 to close the support plate 61, and then the repair device can be withdrawn from the pipeline body 8 through the moving wheel 7.

[0027] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A non-excavation repair device for municipal pipelines, characterized in that: include: A pipeline body (8), wherein a housing (1) is disposed inside the pipeline body (8), and a plurality of evenly distributed moving wheels (7) are fixedly mounted on the outer periphery of the housing (1); A support assembly (6), the support assembly (6) comprising a threaded rod (62), the threaded rod (62) being rotatably mounted in the middle of the inner side of the housing (1), a fixed plate (63) being rotatably mounted on one side of the outer periphery of the threaded rod (62), the fixed plate (63) being fixedly mounted in the middle of the inner side wall of one side of the housing (1), a movable sleeve (66) being threadedly connected to the outer periphery of the threaded rod (62), a plurality of evenly distributed connecting rods (64) being rotatably mounted on the outer periphery of the movable sleeve (66), a plurality of evenly distributed connecting rods (65) being rotatably mounted on the outer periphery of the fixed plate (63), the middle parts of the connecting rods (64) and the connecting rods (65) being connected in pairs by pins, the ends of the connecting rods (64) and the connecting rods (65) being rotatably mounted with support plates (61), and a driving mechanism (2) being mounted on the other side of the housing, the driving mechanism (2) being used to drive the threaded rod (62) to rotate; A moving component (5), the moving component (5) is arranged on one side of the housing (1), and the moving component (5) is used to push the repair tube (4).

2. A municipal pipeline trenchless repair device according to claim 1, characterized in that: The outer circumference of the support plate (61) is provided with a plurality of evenly distributed anti-slip grooves.

3. A municipal pipeline trenchless repair device according to claim 1, characterized in that: The moving assembly (5) comprises a second housing (51), wherein the second housing (51) is fixedly mounted in the middle of one side of the first housing (1), wherein the outer periphery of the first housing (1) is provided with a plurality of evenly distributed notches (52), wherein moving plates (54) are slidably mounted in the notches (52), wherein a mounting circular plate (56) is fixedly mounted on one side of the moving plates (54) close to each other, wherein an electric push rod (55) is symmetrically fixedly mounted in the middle of the second housing (51), wherein a driving end of the electric push rod (55) is symmetrically fixedly mounted on the surface of the mounting circular plate (56).

4. A municipal pipeline trenchless repair device according to claim 3, characterized in that: A limiting groove (53) is provided in the middle of one side of the movable plate (54) away from the housing (1), and the limiting groove (53) is adapted to fit the repair tube (4).

5. The municipal pipeline trenchless repair device according to claim 1, characterized in that: The driving mechanism (2) comprises a fixing frame (23), the fixing frame (23) being fixedly mounted on the other side of the housing (1), a stepping motor (22) being fixedly mounted in the middle of the fixing frame (23), a driving wheel (21) being fixedly mounted on the driving end of the stepping motor (22), the driving wheel (21) driving a driven wheel (24) to rotate via a synchronous belt (25), and the driven wheel (24) being fixedly mounted on the end of a threaded rod (62).

6. A municipal pipeline trenchless repair device according to claim 1, characterized in that: The outer periphery of the housing 1 (1) is provided with a plurality of evenly distributed opening grooves (3), and the opening grooves (3) are adapted to the support plate (61).