Pipe cutting device of pipeline explosion maintenance robot

By coordinating the lifting, cutting, and clamping mechanisms, the problem of non-parallel pipe cuts is solved, achieving flatness and stability in pipe cutting and ensuring subsequent sealing and stability of the pipe.

CN223946917UActive Publication Date: 2026-02-27GUANGDONG XINDAYU ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520637801.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-27
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

When existing robots cut open leaking pipes, the cuts are not parallel, resulting in insufficient contact between the pipe and the straight section. This could lead to pipe detachment and affect the stability and sealing of the pipe during subsequent operation.

Method used

The system employs a lifting mechanism and a cutting mechanism to ensure that the pipe cuts are completely parallel. The pipe is fixed by a clamping mechanism, and the device is moved by a moving mechanism to achieve a smooth pipe cut.

Benefits of technology

It improves the smoothness of pipe cutting, ensures the stability of pipes and straight-through interfaces, and enhances the subsequent sealing and operational stability of the pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipe cutting device of a pipeline burst maintenance robot, and belongs to the technical field of pipeline cutting, the pipe cutting device comprises a fixing frame, a mounting frame, a lifting mechanism, a cutting mechanism, a clamping mechanism and a moving mechanism, the lifting mechanism is arranged in the fixing frame, the cutting mechanism is arranged on the mounting frame, and the clamping mechanism is arranged on the mounting frame. A clamping mechanism is fixedly connected to the outer portion of the fixing frame, and a moving mechanism is fixedly connected to the fixing frame. The pipeline cutting device is novel in design and ingenious, by arranging the lifting mechanism and the cutting mechanism, the pipeline cutting smoothness can be improved, it is ensured that notches of the pipelines are completely parallel, after the pipeline straight-through connection is connected, the situation that the pipelines and the straight-through connection are in too short contact, and consequently pipeline disengagement possibly occurs in later operation is avoided, and therefore the follow-up sealing performance of the pipelines is improved, and the service life of the pipelines is prolonged. The later use stability of the pipeline is guaranteed, and the practicability of the device is greatly improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pipe cutting, and in particular to a pipe cutting device of a pipe burst repair robot. BACKGROUND

[0002] The sewage pipe gallery centrally manages various underground pipelines, reduces the trouble of pipeline intersection processing, avoids pipeline detours, is beneficial to pipeline arrangement, reduces land occupation, and is very convenient for future maintenance management. Through centralized management, the problem of frequent road excavation for maintenance in the traditional direct-buried laying mode is avoided, the influence of pipeline problems on traffic is reduced, resources are also saved, the design of the sewage pipe gallery makes the maintenance work more centralized and efficient, regular cleaning and inspection can prevent blockage and sedimentation, and damaged and leaked problems can be found and repaired in a timely manner, so that the stable operation of the urban drainage system is ensured.

[0003] The sewage pipe gallery is usually long, and is formed by connecting multiple pipes at the head and tail through connecting pieces. In the long-term working process, the connection position between the two pipes may leak. Since the pipe gallery is relatively long, the number of pipes is relatively large and dense, and the current inspection and maintenance are generally performed by a robot, and a person cannot operate in it.

[0004] However, after the robot cuts the pipe leakage position, the pipe cutters at both ends cannot be completely parallel, so that the pipe may not be in contact for a short time after straight-through access, which may cause the pipe to be separated during later operation.

[0005] Therefore, the application provides a pipe cutting device of a pipe burst repair robot. CONTENT OF THE UTILITY MODEL

[0006] The pipe cutting device of the pipe burst repair robot provided by the application solves the problems in the background art. By arranging the lifting mechanism and the cutting mechanism, the flatness of pipe cutting is improved, the pipe cutters are completely parallel, the pipe and the straight-through access will not be in contact for a short time after straight-through access, which may cause the pipe to be separated during later operation, thereby improving the sealing performance of the pipe, ensuring the stability of the pipe in later use, and greatly improving the practicability of the device.

[0007] In order to achieve the above purpose, the application adopts the following technical scheme:

[0008] The pipe cutting device of the pipe burst repair robot comprises a fixing frame, a mounting frame, a lifting mechanism, a cutting mechanism, a clamping mechanism and a moving mechanism. The fixing frame is internally provided with the lifting mechanism, the mounting frame is provided with the cutting mechanism, the outer part of the fixing frame is fixedly connected with the clamping mechanism, and the fixing frame is fixedly connected with the moving mechanism.

[0009] As a preferred implementation, the lifting mechanism comprises a first motor, a driving gear, a driven gear, a rack and a T-shaped connecting block, the first motor is fixedly connected outside the fixed frame, the output end of the first motor extends to the inside of the fixed frame and is fixedly connected with the driving gear, and the inside of the fixed frame is rotatably connected with the driven gear;

[0010] By starting the first motor, the first motor drives the driving gear to rotate, and the driving gear meshes with the rack to drive the rack, thereby improving the practicality of the device.

[0011] As a preferred implementation, the driving gear and the driven gear are provided with a rack outside, and the driving gear and the driven gear are in meshing connection with the rack;

[0012] By meshing the driving gear with the rack, the rack will be driven to rotate, and the rack will be meshed with the driven gear to start rotating, thereby improving the practicality of the device.

[0013] As a preferred implementation, the rack is fixedly connected with a T-shaped connecting block outside, and the T-shaped connecting block is in sliding connection with the fixed frame outside;

[0014] When the rack rotates, the mounting frame will be lowered by the T-shaped connecting block, and the mounting frame will cut the pipe during the lowering process by the two cutting discs, thereby improving the practicality of the device.

[0015] As a preferred implementation, the cutting mechanism comprises a second motor, a rotating shaft, a connecting shaft, a cutting disc, a large gear and a small gear, both the connecting shafts are rotatably connected inside the mounting frame, and one end of each of the connecting shafts extends to the outside of the mounting frame and is fixedly connected with the cutting disc;

[0016] When the connecting shaft rotates, the cutting disc connected thereto will rotate to cut the pipe, thereby improving the practicality of the device.

[0017] As a preferred implementation, the mounting frame is rotatably connected with a rotating shaft inside, the rotating shaft is fixedly connected with two large gears outside, both the connecting shafts are fixedly connected with small gears outside and inside the mounting frame, the two large gears and small gears are in meshing connection, the mounting frame is fixedly connected with a second motor outside, and the output end of the second motor is fixedly connected with one end of the rotating shaft;

[0018] By starting the second motor, the second motor drives the rotating shaft to rotate, and when the rotating shaft rotates, the two large gears will rotate, and the meshing of the large gears and the small gears will drive the two connecting shafts to rotate, thereby improving the practicality of the device.

[0019] As a preferred implementation, the clamping mechanism includes L-shaped supports, U-shaped supports, threaded rods and clamping blocks, both of the L-shaped supports are fixedly connected to the outer sides of the fixed frame, both of the L-shaped supports are fixedly connected with U-shaped supports, the inner sides of both of the U-shaped supports are threadedly connected with a plurality of threaded rods, one end of each of the threaded rods is movably connected with a clamping block, and each of the clamping blocks is located inside the U-shaped support.

[0020] By manually rotating the threaded rods, the clamping blocks are brought into contact with the pipeline, and the pipeline is clamped and fixed by the two clamping blocks, so that the pipeline is not unstable during cutting and affects the unevenness of pipeline cutting, thereby improving the practicality of the device.

[0021] As a preferred implementation, the moving mechanism includes a mounting plate and a roller, the mounting plate is fixedly connected to the outer back of the fixed frame, and the roller is rotatably connected to the mounting plate.

[0022] By setting the moving mechanism, the fixed frame is inclined and the device body is moved to the front of the pipeline by the roller, which facilitates the movement of the device body, thereby improving the practicality of the device.

[0023] The beneficial effects of the present application are:

[0024] 1. The pipe cutting device of the pipe burst repair robot can improve the flatness of pipeline cutting, ensure that the cut of the pipeline is completely parallel, so that after the pipeline is directly connected, the pipeline and the direct connection will not be caused by short contact, which may cause the pipeline to be disconnected during later operation, thereby improving the sealing of the pipeline, ensuring the stability of the pipeline during later use, and greatly improving the practicality of the device.

[0025] 2. The pipe cutting device of the pipe burst repair robot is provided with a clamping mechanism, when the pipeline is located between the upper and lower clamping blocks, the threaded rods are manually rotated, the clamping blocks are brought into contact with the pipeline, and the pipeline is clamped and fixed by the two clamping blocks, so that the pipeline is not unstable during cutting and affects the unevenness of pipeline cutting, thereby greatly improving the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall mechanism of the device of the present application;

[0027] Figure 2 It is a schematic diagram of the cutting mechanism of the device of the present application;

[0028] Figure 3 It is a schematic diagram of the lifting mechanism of the device of the present application;

[0029] Figure 4 It is a schematic diagram of the clamping mechanism of the device of the present application.

[0030] The reference signs in the drawings: 1, fixed frame; 2, mounting frame; 3, lifting mechanism; 31, first motor; 32, driving gear; 33, driven gear; 34, rack; 35, T-shaped connecting block; 4, cutting mechanism; 41, second motor; 42, rotating shaft; 43, connecting shaft; 44, cutting disc; 45, large gear; 46, small gear; 5, clamping mechanism; 51, L-shaped support; 52, U-shaped support; 53, threaded rod; 54, clamping block; 6, moving mechanism; 61, mounting plate; 62, roller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0032] Referring to Figures 1-4 A pipe cutting device of a pipe burst repair robot, comprising a fixed frame 1, a mounting frame 2, a lifting mechanism 3, a cutting mechanism 4, a clamping mechanism 5 and a moving mechanism 6, the inside of the fixed frame 1 is provided with the lifting mechanism 3, the mounting frame 2 is provided with the cutting mechanism 4, the outside of the fixed frame 1 is fixedly connected with the clamping mechanism 5, and the fixed frame 1 is fixedly connected with the moving mechanism 6.

[0033] Referring to Figure 1 , 3 , 4, the lifting mechanism 3 comprises a first motor 31, a driving gear 32, a driven gear 33, a rack 34 and a T-shaped connecting block 35, the first motor 31 is fixedly connected to the outside of the fixed frame 1, the output end of the first motor 31 extends to the inside of the fixed frame 1 and is fixedly connected with the driving gear 32, and the inside of the fixed frame 1 is rotatably connected with the driven gear 33; by starting the first motor 31, the first motor 31 drives the driving gear 32 to rotate, the driving gear 32 meshes with the rack 34 to drive the rack 34, thereby improving the practicality of the device.

[0034] Referring to Figure 1 , 4 , the outside of the driving gear 32 and the driven gear 33 is provided with the rack 34, and the driving gear 32 and the driven gear 33 are meshingly connected with the rack 34; by meshing the driving gear 32 with the rack 34, the rack 34 is driven to rotate, and the rack 34 meshes with the driven gear 33 to start rotating the rack 34, thereby improving the practicality of the device.

[0035] Referring to Figures 1-4The outer part of the rack 34 is fixedly connected with the T-shaped connecting block 35, and the T-shaped connecting block 35 is located outside the fixed frame 1 and is in sliding connection with the fixed frame 1; when the rack 34 rotates, the mounting frame 2 is driven downward by the T-shaped connecting block 35, and the mounting frame 2 is cut by the two cutting discs 44 during the downward movement, thereby improving the practicability of the device.

[0036] With reference to Figures 1-2 The cutting mechanism 4 comprises a second motor 41, a rotating shaft 42, a connecting shaft 43, a cutting disc 44, a large gear 45 and a small gear 46. The two connecting shafts 43 are rotatably connected inside the mounting frame 2, and the ends of the two connecting shafts 43 extend outside the mounting frame 2 and are fixedly connected with the cutting disc 44. When the connecting shaft 43 rotates, the cutting disc 44 connected therewith rotates to cut the pipe, thereby improving the practicability of the device.

[0037] With reference to Figures 1-2 The rotating shaft 42 is rotatably connected inside the mounting frame 2, the two large gears 45 are fixedly connected outside the rotating shaft 42, the small gears 46 are fixedly connected outside the two connecting shafts 43 and inside the mounting frame 2, the two large gears 45 are in meshing connection with the small gears 46, the second motor 41 is fixedly connected outside the mounting frame 2, and the output end of the second motor 41 is fixedly connected with one end of the rotating shaft 42. When the second motor 41 is started, the rotating shaft 42 is driven to rotate, and when the rotating shaft 42 rotates, the two large gears 45 are driven to rotate, and the meshing of the large gears 45 and the small gears 46 drives the two connecting shafts 43 to rotate, thereby improving the practicability of the device.

[0038] With reference to Figure 1 、 3 The clamping mechanism 5 comprises an L-shaped support 51, a U-shaped support 52, a threaded rod 53 and a clamping block 54. The two L-shaped supports 51 are fixedly connected outside the two sides of the fixed frame 1, the U-shaped supports 52 are fixedly connected to the two L-shaped supports 51, the threaded rods 53 are threadedly connected inside the two U-shaped supports 52, the clamping blocks 54 are movably connected to the ends of the threaded rods 53, and the clamping blocks 54 are located inside the U-shaped supports 52. By manually rotating the threaded rods 53, the clamping blocks 54 are brought into contact with the pipe, and the pipe is clamped and fixed by the two clamping blocks 54, so as to prevent the pipe from being unstable during cutting and affecting the flatness of the pipe cutting, thereby improving the practicability of the device.

[0039] With reference to Figure 1 、 3, 4, the moving mechanism 6 comprises a mounting plate 61 and a roller 62, the mounting plate 61 is fixedly connected to the outer back of the fixed frame 1, and the roller 62 is rotatably connected to the mounting plate 61; by arranging the moving mechanism 6, the fixed frame 1 is inclined, and the device body is moved to the front of the pipeline by the roller 62, so that the device body is moved conveniently, and therefore the practicability of the device is improved.

[0040] Working principle: in use, the fixed frame 1 is inclined, and the device body is moved to the front of the pipeline by the roller 62; when the pipeline is located between the upper and lower clamping blocks 54, the threaded rod 53 is manually rotated, the clamping blocks 54 are brought into contact with the pipeline, the pipeline is clamped and fixed by the two clamping blocks 54, so that the pipeline is not unstable during cutting and the pipeline cutting is not uneven, then the second motor 41 is started, the second motor 41 drives the rotating shaft 42 to rotate, when the rotating shaft 42 rotates, the two large gears 45 are driven to rotate, the large gears 45 are engaged with the small gears 46, so that the two connecting shafts 43 are driven to rotate, when the connecting shafts 43 rotate, the cutting discs 44 connected with the connecting shafts 43 are driven to rotate, then the first motor 31 is started, the first motor 31 drives the driving gear 32 to rotate, the driving gear 32 is engaged with the rack 34, so that the rack 34 is driven to rotate, the rack 34 is engaged with the driven gear 33, so that the rack 34 starts to rotate, when the rack 34 rotates, the mounting frame 2 is driven to move downward through the connecting block 35, during the downward movement of the mounting frame 2, the pipeline is cut by the two cutting discs 44, therefore, the pipeline cutting flatness can be improved, the pipeline cutout is completely parallel, after the pipeline is directly connected, the pipeline and the direct connection will not be caused due to short contact, so that the pipeline may be separated during later operation, thereby the pipeline sealing performance in the future is improved, and the stability of the pipeline in the later use is ensured.

[0041] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pipe-cutting device for a pipe burst repair robot, comprising a fixed frame (1), a mounting frame (2), a lifting mechanism (3), a cutting mechanism (4), a clamping mechanism (5), and a moving mechanism (6), characterized in that, The fixed frame (1) is provided with a lifting mechanism (3) inside, the mounting frame (2) is provided with a cutting mechanism (4), the fixed frame (1) is fixedly connected with a clamping mechanism (5) outside, and the fixed frame (1) is fixedly connected with a moving mechanism (6).

2. The pipe cutting device of the pipe burst repair robot according to claim 1, characterized in that, The lifting mechanism (3) includes a first motor (31), a driving gear (32), a driven gear (33), a rack (34), and a connecting block (35). The first motor (31) is fixedly connected to the outside of the fixed frame (1). The output end of the first motor (31) extends into the inside of the fixed frame (1) and is fixedly connected to the driving gear (32). The driven gear (33) is rotatably connected inside the fixed frame (1).

3. The pipe cutting device of the pipe burst repair robot according to claim 2, characterized in that, The driving gear (32) and driven gear (33) are provided with racks (34) on their exteriors, and the driving gear (32) and driven gear (33) are meshed with the racks (34).

4. The pipe cutting device of the pipe burst repair robot according to claim 3, characterized in that, The rack (34) is fixedly connected to the outside of the rack (34) with a letter connector (35), and the letter connector (35) is located outside the fixed frame (1) and is slidably connected to the fixed frame (1).

5. The pipe cutting device of the pipe burst repair robot according to claim 1, characterized in that, The cutting mechanism (4) includes a second motor (41), a rotating shaft (42), a connecting shaft (43), a cutting disc (44), a large gear (45), and a small gear (46). Both connecting shafts (43) are rotatably connected inside the mounting frame (2), and one end of each connecting shaft (43) extends to the outside of the mounting frame (2) and is fixedly connected to the cutting disc (44).

6. The pipe cutting device of the pipe burst repair robot according to claim 5, characterized in that, The mounting bracket (2) is rotatably connected to a rotating shaft (42). Two large gears (45) are fixedly connected to the outside of the rotating shaft (42). Small gears (46) are fixedly connected to the outside of the two connecting shafts (43) and inside the mounting bracket (2). The two large gears (45) and small gears (46) are meshed together. A second motor (41) is fixedly connected to the outside of the mounting bracket (2). The output end of the second motor (41) is fixedly connected to one end of the rotating shaft (42).

7. The pipe cutting device of the pipe burst repair robot according to claim 1, characterized in that, The clamping mechanism (5) includes an L-shaped bracket (51), a U-shaped bracket (52), a threaded rod (53), and a clamping block (54). The two L-shaped brackets (51) are fixedly connected to the outer sides of the fixed frame (1). The two L-shaped brackets (51) are fixedly connected to the U-shaped brackets (52). The two U-shaped brackets (52) are internally threaded with multiple threaded rods (53). One end of each threaded rod (53) is movably connected to a clamping block (54), and each clamping block (54) is located inside the U-shaped bracket (52).

8. The pipe cutting device of the pipe burst repair robot according to claim 1, characterized in that, The moving mechanism (6) includes a mounting plate (61) and a roller (62). The mounting plate (61) is fixedly connected to the outer back of the fixing frame (1), and the roller (62) is rotatably connected to the mounting plate (61).