Drainage pipeline tree root cutting device

Abstract

The utility model discloses a tree root cutting device for a drainage pipeline, and relates to the field of cutting devices. The root cutting device for the drainage pipeline comprises a motor body, a transmission shaft is arranged at the output end of the motor body, a cutting disc is arranged at the position, away from the motor body, of the transmission shaft, a first tool bit is arranged on the front face of the cutting disc, and a second tool bit is arranged on the arc-shaped side edge of the cutting disc. According to the drainage pipeline tree root cutting device, tree roots are cut through rotation of the cutting disc, the first tool bit and the second tool bit, the front portion and the side edge of the cutting disc provide the cutting function, the device has the good tree root cutting effect, meanwhile, in the process that the cutting disc rotates to cut the tree roots, the cutting disc is protected by the arc-shaped protection cover, and the cutting disc is protected by the arc-shaped protection cover. The second tool bit is prevented from making contact with the inner wall of the pipeline, the service life of the second tool bit is prolonged, the pipeline is protected, and the damage degree of the pipeline is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a drainage pipe tree root cutting device. Background Art

[0002] After being put into use for several years, drainage pipes will experience structural defects such as disconnection, deformation, rupture, misalignment, and collapse to varying degrees due to changes in external loads, internal corrosion of the pipes, pipe material and construction quality, and inadequate daily maintenance. The pipes located under the green belts will have tree roots grow at their interfaces and ruptures, causing functional defects.

[0003] In order to ensure the normal operation of the pipeline, it is necessary to repair the pipeline and cut and remove the tree roots in time. The traditional tree root cutting device has a relatively simple structure. Usually, a motor is used to drive the disc to rotate, and the disc is used to cut the tree roots. However, the disc has a single cutting direction and can only cut from the side, which is not effective in cutting the tree roots. Moreover, since the main body is exposed, it is easy to touch the inner wall of the pipeline. On the one hand, it is easy to increase the wear of the disc and reduce its service life. On the other hand, it is easy to increase the damage to the pipeline and increase the difficulty of pipeline repair. In view of the shortcomings of the prior art, the utility model provides a drainage pipe tree root cutting device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a drainage pipe tree root cutting device, which utilizes the rotation of a cutting disk, a first blade head, and a second blade head to cut tree roots. The front and side edges of the cutting disk both provide cutting functions, so that the device has a good tree root cutting effect. At the same time, during the process of the cutting disk rotating to cut the tree roots, the cutting disk is protected by an arc-shaped protective cover, which, on the one hand, prevents the second blade head from contacting the inner wall of the pipe and prolongs the life of the second blade head, and on the other hand, protects the pipe and reduces the degree of damage to the pipe.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a drainage pipe tree root cutting device, comprising a motor body, a transmission shaft is provided at the output end of the motor body, a cutting disc is provided at a position of the transmission shaft away from the motor body, a first cutter head is provided on the front of the cutting disc, and a second cutter head is provided on the arc-shaped side of the cutting disc;

[0006] A support frame is fixedly connected to the motor body, a clamping seat is fixedly connected to the support frame, and a protection component for protecting the cutting disc is provided on the clamping seat;

[0007] The protection component comprises:

[0008] A sleeve seat, arranged on the clamping seat;

[0009] A plug-in column, movably connected to the sleeve seat;

[0010] The arc-shaped protective cover is arranged on the plug-in column.

[0011] Preferably, the clamping seat is provided with a nut seat, and the nut seat is threadedly connected with a positioning pin;

[0012] The plug-in column is provided with a positioning hole, and the positioning pin is movably plugged into the positioning hole.

[0013] Preferably, the transmission shaft is rotatably connected to the inside of the clamping seat.

[0014] Preferably, a mounting seat is fixedly connected to the transmission shaft, and a docking shaft is provided on the cutting disc, and the docking shaft is clamped with the mounting seat.

[0015] Preferably, the cutting disc is provided with a plurality of heat dissipation holes.

[0016] Preferably, the connector is provided with a notch corresponding to the plug-in column.

[0017] The utility model discloses a drainage pipe tree root cutting device, which has the following beneficial effects:

[0018] The drainage pipe tree root cutting device utilizes the rotation of a cutting disc, a first blade head, and a second blade head to cut tree roots. The front and side edges of the cutting disc both provide cutting functions, so that the device has a good tree root cutting effect. Meanwhile, during the process of the cutting disc rotating to cut the tree roots, the cutting disc is protected by an arc-shaped protective cover, which, on the one hand, prevents the second blade head from contacting the inner wall of the pipe and prolongs the life of the second blade head, and on the other hand, protects the pipe and reduces the degree of damage to the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a disassembly diagram of the arc-shaped protective cover of the utility model;

[0022] Figure 3 This is a schematic diagram of the disassembly of the cutting disc of the utility model;

[0023] Figure 4It is a structural schematic diagram of the clamping seat of the utility model.

[0024] In the figure: 1. Motor body; 2. Transmission shaft; 201. Mounting seat; 3. Cutting disc; 301. First cutter head; 302. Second cutter head; 303. Docking shaft; 4. Support frame; 5. Card-connecting seat; 501. Nut seat; 502. Positioning pin; 6. Sleeve seat; 7. Plug-in column; 701. Positioning hole; 8. Arc-shaped protective cover. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on 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.

[0026] The embodiment of the present application provides a drainage pipe tree root cutting device to solve the problem that the traditional tree root cutting device has a relatively simple structure. A motor is usually used to drive a disc to rotate, and the disc is used to cut the tree roots. However, the disc has a single cutting direction and can only cut from the side, which is not effective in cutting tree roots. In addition, since the main body is exposed, it is easy to touch the inner wall of the pipe. On the one hand, it is easy to increase the wear of the disc and reduce its service life. On the other hand, it is easy to increase damage to the pipe and increase the difficulty of pipe repair.

[0027] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] The utility model discloses a drainage pipe tree root cutting device according to the attached Figure 1-4 As shown, it comprises a motor body 1, a transmission shaft 2 is provided at the output end of the motor body 1, a cutting disc 3 is provided at a position of the transmission shaft 2 away from the motor body 1, a first cutter head 301 is provided on the front of the cutting disc 3, and a second cutter head 302 is provided on the arc-shaped side of the cutting disc 3;

[0029] The motor body 1 is fixedly connected with a support frame 4, the support frame 4 is fixedly connected with a clamping seat 5, and the clamping seat 5 is provided with a protection component for protecting the cutting disc 3;

[0030] The protection components include:

[0031] The sleeve seat 6 is arranged on the clamping seat 5;

[0032] The plug-in column 7 is movably connected to the sleeve seat 6;

[0033] The arc-shaped protective cover 8 is arranged on the plug-in column 7 .

[0034] Furthermore, the clamping seat 5 is provided with a nut seat 501, and a positioning pin 502 is threadedly connected to the nut seat 501;

[0035] A positioning hole 701 is provided on the plug-in column 7, and the positioning pin 502 is movably inserted in the positioning hole 701. The nut seat 501 and the positioning pin 502 are convenient for realizing the clamping of the positioning hole 701 of the plug-in column 7, so that the arc-shaped protective cover 8 is easy to load;

[0036] Specifically, the card seat 5 is provided with a notch corresponding to the plug-in column 7 .

[0037] When installing the arc-shaped protective cover 8 , firstly insert the plug-in column 7 into the sleeve seat 6 , and rotate and screw the positioning pin 502 into the positioning hole 701 .

[0038] The transmission shaft 2 is rotatably connected inside the clamping seat 5 , and the provided clamping seat 5 also provides support and limitation for the transmission shaft 2 .

[0039] Furthermore, a mounting seat 201 is fixedly connected to the transmission shaft 2, and a docking shaft 303 is provided on the cutting disc 3. The docking shaft 303 is engaged with the mounting seat 201. The design of the docking shaft 303 and the mounting seat 201 makes it easy to disassemble and assemble the cutting disc 3.

[0040] Furthermore, the cutting disc 3 is provided with a plurality of heat dissipation holes, which facilitate the air circulation at the heat dissipation holes when the cutting disc 3 rotates at high speed and rubs against the tree roots, thereby taking away the heat and preventing the cutting disc 3 from deforming at high temperature.

[0041] The drainage pipe tree root cutting device, when cutting tree roots inside the pipe, drives the transmission shaft 2 to rotate through the motor body 1, drives the cutting disc 3 to rotate, and drives the first cutter head 301 and the second cutter head 302 to rotate, and the first cutter head 301 and the second cutter head 302 are used to cut the tree roots;

[0042] The first blade 301 and the second blade 302 achieve cutting in two directions, and both the front and the side of the cutting disc 3 provide cutting functions, so that the device has a good cutting effect on tree roots;

[0043] At the same time, when the cutting disc 3 rotates to cut the tree roots, the cutting disc 3 is protected by the arc-shaped protective cover 8, which prevents the second cutter head 302 from contacting the inner wall of the pipe, thereby extending the life of the second cutter head 302, and protects the pipe to reduce the degree of damage to the pipe.

[0044] The cutting disc 3 is convenient to be replaced according to the size of the pipeline, and the arc-shaped protective cover 8 is convenient to load, so it is convenient to replace the arc-shaped protective cover 8 according to the size of the cutting disc 3, so that the protective effect is good.

[0045] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A drainage pipe tree root cutting device, comprising a motor body (1), a transmission shaft (2) being provided at the output end of the motor body (1), a cutting disc (3) being provided at a position of the transmission shaft (2) away from the motor body (1), characterized in that: A first cutting head (301) is provided on the front of the cutting disc (3), and a second cutting head (302) is provided on the arc-shaped side of the cutting disc (3); A support frame (4) is fixedly connected to the motor body (1), a clamping seat (5) is fixedly connected to the support frame (4), and a protective component for protecting the cutting disc (3) is provided on the clamping seat (5); The protection component comprises: A sleeve seat (6) is arranged on the clamping seat (5); A plug-in column (7) movably connected to the sleeve seat (6); An arc-shaped protective cover (8) is arranged on the plug-in column (7).

2. A drainage pipe tree root cutting device according to claim 1, characterized in that: The clamping seat (5) is provided with a nut seat (501), and a positioning pin (502) is threadedly connected to the nut seat (501); The plug-in column (7) is provided with a positioning hole (701), and the positioning pin (502) is movably plugged into the positioning hole (701).

3. A drainage pipe tree root cutting device according to claim 2, characterized in that: The transmission shaft (2) is rotatably connected inside the clamping seat (5).

4. A drainage pipe tree root cutting device according to claim 3, characterized in that: The transmission shaft (2) is fixedly connected with a mounting seat (201), and the cutting disc (3) is provided with a docking shaft (303), and the docking shaft (303) is clamped with the mounting seat (201).

5. The drainage pipe tree root cutting device according to claim 1, characterized in that: The cutting disc (3) is provided with a plurality of groups of heat dissipation holes.

6. A drainage pipe tree root cutting device according to claim 2, characterized in that: The clamping seat (5) is provided with a notch corresponding to the plug-in column (7).

Images