Self-cleaning cutting mechanism and heading machine

Abstract

The utility model discloses a self-cleaning cutting mechanism and heading machine relates to heading machine field, including cutting cylinder and cleaning subassembly, the surface of cutting cylinder is equipped with cutting head, and the inner side of cutting cylinder is equipped with mounting cylinder, and the cleaning subassembly that can be used for cutting mechanism self-cleaning is provided on the surface of mounting cylinder, and the mounting cylinder is equipped with the mounting cylinder. And the cleaning assembly comprises a side mounting ring, a water supply pipe, a high-pressure spray head, a protective cover and a surface opening hole, the side edge of the side mounting ring is connected with the water supply pipe, the high-pressure spray head is mounted on the surface of the side mounting ring, the protective cover is mounted outside the high-pressure spray head, the surface opening hole is formed in the surface of the protective cover, and a connecting seat is mounted on the side edge of the mounting cylinder. According to the self-cleaning cutting mechanism and the heading machine, cleaning water is sprayed out through ten groups of high-pressure nozzles to wash the surface of the cutting cylinder, the cutting cylinder rotates synchronously to enable the high-pressure nozzles to fully wash and clean the surface of the cutting cylinder, so that the cutting cylinder can be self-cleaned without being disassembled, and the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the field of tunnel boring machines, in particular to a self-cleaning cutting mechanism and a tunnel boring machine. Background Art

[0002] A tunnel boring machine is a comprehensive equipment that uses mechanical rock crushing, mucking and support to perform continuous operations. With the rapid development of the national economy, my country's urbanization process is accelerating. In the future, for a long period of time, domestic urban subway tunnels, hydraulic tunnels, cross-river tunnels, railway tunnels, highway tunnels, municipal pipelines and other tunnel projects will be vigorously developed, and a large number of tunnel boring machines will be used. In addition, tunnel boring machines are also needed in coal mining. The cutting mechanism of tunneling is generally equipped with a hobbing assembly on the cutting barrel. Although the hobbing assembly can fracture rocks for tunneling.

[0003] However, the current self-cleaning cutting mechanism still has some shortcomings. For example, when the existing cutting mechanism is installed in rock mining, impurities such as rock and soil will adhere to its exterior, and the cutting mechanism is not easy to self-clean, which affects the cutting effect and has certain usage defects.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a self-cleaning cutting mechanism and a tunneling machine. Utility Model Content

[0005] The purpose of the utility model is to provide a self-cleaning cutting mechanism and a roadheader to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a self-cleaning cutting mechanism and a tunnel boring machine, comprising a cutting barrel and a cleaning assembly, a cutting head is installed on the surface of the cutting barrel, and a mounting barrel is installed on the inner side of the cutting barrel, the cleaning assembly for self-cleaning the cutting mechanism is arranged on the surface of the mounting barrel, and the cleaning assembly comprises a side mounting ring, a water supply pipe, a high-pressure nozzle, a protective cover and a surface opening, the side of the side mounting ring is connected to the water supply pipe, and a high-pressure nozzle is installed on the surface of the side mounting ring, a protective cover is installed on the outside of the high-pressure nozzle, and a surface opening is opened on the surface of the protective cover.

[0007] Furthermore, the cutting barrels are symmetrically arranged in two groups about the central axis of the mounting barrel, and the number of the side mounting rings and the cutting barrels is consistent.

[0008] Furthermore, the protective cover and the surface opening are an integrated structure, and the surface opening and the high-pressure nozzle position correspond one to one.

[0009] Furthermore, a connecting seat is installed on the side of the installation tube, and a control column is installed on the side of the connecting seat.

[0010] Furthermore, the end of the control column is connected to the organism, and an auxiliary component for protecting the water outlet is arranged on the outer side of the surface opening.

[0011] Furthermore, the auxiliary component includes a hydraulic rod and a connecting plate, and the connecting plate is installed at the output end of the hydraulic rod through a rotating shaft.

[0012] Furthermore, the auxiliary component also includes an auxiliary cover and a blocking plate. The side of the connecting plate is connected to the auxiliary cover, and the blocking plate is installed on the inner side of the end of the auxiliary cover.

[0013] A tunneling machine is provided with the self-cleaning cutting mechanism as described above.

[0014] The utility model provides a self-cleaning cutting mechanism and a tunneling machine, which have the following beneficial effects:

[0015] 1. The utility model uses ten groups of high-pressure nozzles to spray cleaning water to flush the surface of the cutting barrel. The cutting barrel rotates synchronously so that the high-pressure nozzles can fully flush and clean its surface, so that the cutting barrel can be self-cleaned without being disassembled, which improves convenience. The side-mounted ring is used for installation support of the high-pressure nozzle, and the protective cover plays an external protection role on the outside of the high-pressure nozzle to avoid damage to the high-pressure nozzle during excavation. The surface opening allows the cleaning water of the high-pressure nozzle to be sprayed.

[0016] 2. The utility model rotates and opens the auxiliary cover by pulling the auxiliary cover through the extension and contraction of the hydraulic rod, so that the auxiliary cover and the sealing plate are opened to expose the water outlet of the high-pressure nozzle for self-cleaning. When the auxiliary cover and the sealing plate are closed, the blockage and damage of the high-pressure nozzle during excavation can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a self-cleaning cutting mechanism and a tunnel boring machine of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of a self-cleaning cutting mechanism and a cleaning component of a tunnel boring machine according to the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the structure of a self-cleaning cutting mechanism and auxiliary components of a tunnel boring machine.

[0020] In the figure: 1. cutting cylinder; 2. cutting head; 3. mounting cylinder; 4. cleaning assembly; 401. side mounting ring; 402. water supply pipe; 403. high-pressure nozzle; 404. protective cover; 405. surface opening; 5. connecting seat; 6. control column; 7. machine body; 8. auxiliary assembly; 801. hydraulic rod; 802. connecting plate; 803. auxiliary cover; 804. blocking plate. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figure 1 and Figure 2 As shown, a self-cleaning cutting mechanism and a tunnel boring machine include a cutting barrel 1 and a cleaning assembly 4. A cutting head 2 is installed on the surface of the cutting barrel 1, and a mounting barrel 3 is installed on the inner side of the cutting barrel 1. The cleaning assembly 4 for the self-cleaning of the cutting mechanism is arranged on the surface of the mounting barrel 3, and the cleaning assembly 4 includes a side mounting ring 401, a water supply pipe 402, a high-pressure nozzle 403, a protective cover 404 and a surface opening 405. The side of the side mounting ring 401 is connected to the water supply pipe 402, the side mounting ring 401 is used for the installation support of the high-pressure nozzle 403, and the surface of the side mounting ring 401 is installed with a high-pressure nozzle 403. Ten groups of high-pressure nozzles 403 spray cleaning water to rinse the surface of the cutting barrel 1, and the cutting barrel 1 rotates synchronously so that the high-pressure nozzles 403 can fully rinse and clean its surface, so that The cutting barrel 1 can be self-cleaned without being disassembled, which improves convenience. A protective cover 404 is installed on the outside of the high-pressure nozzle 403. The protective cover 404 plays an external protection role on the outside of the high-pressure nozzle 403 to avoid damage to the high-pressure nozzle 403 during excavation, and a surface opening 405 is opened on the surface of the protective cover 404. The cutting barrel 1 is symmetrically arranged in two groups about the central axis of the mounting barrel 3, and the number of side rings 401 and cutting barrel 1 is consistent. The protective cover 404 and the surface opening 405 are an integrated structure, and the position of the surface opening 405 and the high-pressure nozzle 403 corresponds one to one. The surface opening 405 allows the high-pressure nozzle 403 to spray out cleaning water. A connecting seat 5 is installed on the side of the mounting barrel 3, and a control column 6 is installed on the side of the connecting seat 5, and the end of the control column 6 is connected to the body 7.

[0023] like Figure 3 As shown, an auxiliary component 8 for protecting the water nozzle is provided on the outer side of the surface opening 405, and the auxiliary component 8 includes a hydraulic rod 801 and a connecting plate 802, and the output end of the hydraulic rod 801 is installed with the connecting plate 802 through a rotating shaft, and the fixed end of the hydraulic rod 801 is also movably installed on the surface of the protective cover 404, so that when the hydraulic rod 801 is extended or retracted, the auxiliary cover 803 can be pulled to rotate and open, so that the auxiliary cover 803 and the blocking plate 804 are opened to expose the water outlet of the high-pressure nozzle 403 for self-cleaning. The auxiliary component 8 also includes an auxiliary cover 803 and a blocking plate 804, the side of the connecting plate 802 is connected to the auxiliary cover 803, and the inner side of the end of the auxiliary cover 803 is installed with a blocking plate 804, and the auxiliary cover 803 and the blocking plate 804 are closed to prevent the high-pressure nozzle 403 from being blocked and damaged during excavation.

[0024] A tunnel boring machine is provided with the self-cleaning cutting mechanism as described above. The surface of the cutting mechanism is self-cleaned by a cleaning component 4, so that the cutting mechanism and the tunnel boring machine can be used normally, and the tedious steps of disassembling, cleaning and reinstalling the cutting mechanism can be avoided, thereby increasing convenience.

[0025] In summary, the self-cleaning cutting mechanism and tunnel boring machine are firstly based on Figures 1 to 3 In the structure shown in the figure, the cutting mechanism is composed of a cutting barrel 1, a cutting head 2 and a mounting barrel 3, which are mounted on the tunnel boring machine by means of a connecting seat 5 and a control column 6 under the fixation of bolts. The motor inside the mounting barrel 3 drives the cutting barrel 1 and the cutting head 2 to rotate for mining. During cleaning, the auxiliary cover 803 is rotated and opened by the extension and retraction of the hydraulic rod 801, so that the auxiliary cover 803 and the blocking plate 804 are opened to expose the water outlet of the high-pressure nozzle 403. At this time, ten groups of high-pressure nozzles 403 spray cleaning water to rinse the surface of the cutting barrel 1. The cutting barrel 1 rotates synchronously so that the high-pressure nozzle 403 fully rinses and cleans its surface, so that the cutting barrel 1 can be self-cleaned without being disassembled, thereby improving convenience. After cleaning, the auxiliary cover 803 is reset and closed. At this time, the auxiliary cover 803 and the protective cover 404 play an external protection role on the outside of the high-pressure nozzle 403 to avoid damage and blockage of the high-pressure nozzle 403 during tunneling.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A self-cleaning cutting mechanism, comprising a cutting barrel (1) and a cleaning assembly (4), characterized in that: A cutting head (2) is installed on the surface of the cutting cylinder (1), and a mounting cylinder (3) is installed on the inner side of the cutting cylinder (1). The cleaning assembly (4) for self-cleaning the cutting mechanism is arranged on the surface of the mounting cylinder (3), and the cleaning assembly (4) comprises a side mounting ring (401), a water supply pipe (402), a high-pressure nozzle (403), a protective cover (404) and a surface opening (405). The side of the side mounting ring (401) is connected to the water supply pipe (402), and the surface of the side mounting ring (401) is installed with the high-pressure nozzle (403). The outside of the high-pressure nozzle (403) is installed with a protective cover (404), and the surface opening (405) is opened on the surface of the protective cover (404).

2. A self-cleaning cutting mechanism according to claim 1, characterized in that: The cutting barrels (1) are arranged in two groups symmetrically about the central axis of the mounting barrel (3), and the number of the side mounting rings (401) and the cutting barrels (1) are consistent.

3. A self-cleaning cutting mechanism according to claim 1, characterized in that: The protective cover (404) and the surface opening (405) are an integrated structure, and the positions of the surface opening (405) and the high-pressure nozzle (403) correspond one to one.

4. A self-cleaning cutting mechanism according to claim 1, characterized in that: A connecting seat (5) is installed on the side of the installation cylinder (3), and a control column (6) is installed on the side of the connecting seat (5).

5. A self-cleaning cutting mechanism according to claim 4, characterized in that: The end of the control column (6) is connected to the organism (7), and an auxiliary component (8) for water spray port protection is arranged on the outside of the surface opening (405).

6. A self-cleaning cutting mechanism according to claim 5, characterized in that: The auxiliary component (8) comprises a hydraulic rod (801) and a connecting plate (802), and the connecting plate (802) is installed at the output end of the hydraulic rod (801) via a rotating shaft.

7. A self-cleaning cutting mechanism according to claim 6, characterized in that: The auxiliary component (8) further comprises an auxiliary cover (803) and a blocking plate (804); the side of the connecting plate (802) is connected to the auxiliary cover (803), and the blocking plate (804) is installed on the inner side of the end of the auxiliary cover (803).

8. A tunnel boring machine, characterized in that: The tunnel boring machine is equipped with a self-cleaning cutting mechanism as described in any one of claims 1-7.

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