CN116104515A

CN116104515A - Mine TBM tunneller

Info

Publication number: CN116104515A
Application number: CN202211614954.2A
Authority: CN
Inventors: 秦立学; 马士涛; 许长飞; 张宏麟; 王福松; 朱永明; 黄李文; 许婉莹; 周超; 高亮; 马士建; 辛龙
Original assignee: Jiangsu Shendun Engineering Machinery Co ltd
Current assignee: Jiangsu Shendun Engineering Machinery Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-12

Abstract

The invention belongs to the technical field of mine roadway excavation equipment, and discloses a mine TBM tunneling machine. The small-radius turning and automatic slag removal functions of the mine TBM tunneling machine can be realized when the mine tunnel is excavated, supported and deslagged under the cooperation of the mine TBM tunneling machine, the small-radius turning girder structure, the supporting propulsion system, the rear supporting system, the supporting protection system and the transmission system. The mine TBM tunneling machine can realize small-radius turning of the mine TBM tunneling machine, and the application range of the mine TBM tunneling machine is expanded.

Description

Mine TBM tunneller

Technical Field

The invention relates to the technical field of mine roadway excavation equipment, in particular to a mine TBM tunneling machine.

Background

The mine TBM heading machine is equipment for crushing a rock roadway by utilizing mechanical energy and continuously outputting fallen rocks backwards, and is widely applied to the fields of traffic, water conservancy and the like. In recent years, the application of the TBM tunneling machine in the mine field also achieves a certain effect, and compared with the traditional blasting tunneling mode, the TBM tunneling machine can realize rapid tunneling and high-efficiency support of a mine tunnel, improves the construction efficiency, reduces the operation cost and ensures the construction safety. However, in practical application of the mine TBM tunneling machine, the problems of large plane turning radius, secondary slag removal and the like exist, so that the application range of the mine TBM tunneling machine is limited. Therefore, the mine TBM tunneling machine meeting the modern mine construction requirements is a new problem to be solved.

Disclosure of Invention

The invention aims to provide a mine TBM tunneling machine which effectively realizes the functions of small-radius turning and automatic slag removal of the plane of the mine TBM tunneling machine while realizing the tunneling, supporting and slag discharging of a mine tunnel, and has the characteristics of high mechanical degree, compact structure, convenient man-machine combination and the like.

In order to achieve the above purpose, the invention is realized by the following technical scheme: under the cooperation of the mine TBM heading machine, the small turning radius main beam structure, the tightening propulsion system, the rear supporting system, the supporting protection system and the transmission system, the functions of small turning radius and automatic slag removal of the plane of the mine TBM heading machine can be realized while the mining roadway is excavated, supported and deslagged.

Preferably, the tunneling system is composed of a cutter head, a shield and a main drive, wherein the cutter head is arranged at the end part of the main drive, and the shield is arranged around the main drive. The small turning radius girder structure consists of a front girder, a central shaft and a rear girder, wherein the front girder and the rear girder are in rotary connection through the central shaft. The tightening propulsion system is arranged on the rear main beam. The rear main beam is fixedly connected with the rear supporting system. The rear supporting system is connected with the rear supporting system through a traction oil cylinder, and the front part of the small turning radius main beam structure is connected with the driving device.

Preferably, the support protection system comprises a support protection device, a multi-degree-of-freedom anchor rod drilling machine and an advanced drilling machine. The supporting protection device is arranged at the rear side of the cutter head and above the main drive, and the multi-degree-of-freedom anchor rod drilling machine is arranged at the rear of the supporting protection device. And installing a multi-degree-of-freedom anchor rod drilling machine, an advanced drilling machine and the like at proper positions of the main beam, the rear supporting system and the like.

Preferably, the transmission system consists of a slag removing machine, a primary transfer conveyor, a secondary transfer conveyor and a continuous belt conveyor. The slag remover is obliquely and upwardly externally arranged at the bottom of the front main beam, a slag removing bucket of the slag remover is attached to the bottom of the digging roadway, and a slag outlet of the slag remover is positioned right above a material receiving opening of the secondary transfer conveyor; the primary transfer conveyor is internally provided with a front main beam cavity, and a material receiving opening and a slag outlet of the primary transfer conveyor are respectively positioned at the rear side of the cutter head and above the body of the secondary transfer conveyor; the secondary reversed loader is obliquely arranged on the lower side of the main beam upwards and penetrates through the rear supporting system, a slag hole of the secondary reversed loader is fixed in the rear supporting system and is positioned above a material receiving hole of the continuous belt conveyor fixed in the rear supporting system, and the continuous belt conveyor is a roadway conveying belt conveyor.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the mine TBM tunneling machine can realize small-radius turning of the mine TBM tunneling machine, and the application range of the mine TBM tunneling machine is expanded.

2. According to the mine TBM tunneling machine, in the tunneling process, rocks broken by the cutter head are transferred to the continuous belt conveyor 17 through the primary transfer conveyor 15 and the secondary transfer conveyor 16, so that continuous slag discharge in the tunneling process of the mine TBM tunneling machine can be realized, and the construction efficiency is improved.

3. According to the mine TBM tunneling machine, the adopted supporting protection system can protect constructors in real time during anchoring work, and the multi-degree-of-freedom jumbolter adopted by the supporting protection system can realize omnibearing anchoring work, so that the mine TBM tunneling machine is flexible and efficient.

4. According to the mine TBM heading machine, in the construction process, due to the fact that rock conditions are unstable, the phenomenon of falling edges inevitably occurs, and the slag remover positioned on the rear side of the cutterhead and below the main beam can automatically clean falling slag soil, does not need manual slag removal, and is convenient and efficient; the dregs collected by the dreg cleaner are directly transferred to the secondary transfer conveyor, so that the structure is compact, and the mechanical automation level of modern mine construction is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

In the figure: the device comprises a cutter head 1, a shield 2, a main drive 3, a front main beam 4, a central shaft 5, a rear main beam 6, a propulsion and tightening system 7, a rear supporting system 8, a traction oil cylinder 9, a rear supporting system 10, a supporting and protecting device 11, an anchor rod drilling machine 12, a lead drilling machine 13, a slag remover 14, a primary transfer conveyor 15, a secondary transfer conveyor 16 and a continuous belt conveyor 17.

Detailed Description

Referring to the drawings, the invention provides a technical scheme that: a mine TBM tunneling machine comprises a tunneling system, a small turning radius main beam structure, a tightening propulsion system, a rear supporting system, a supporting protection system and a transmission system.

The tunneling system consists of a cutterhead 1, a shield 2 and a main drive 3, wherein the cutterhead 1 is arranged at the end part of the main drive 3, and the shield 2 is arranged around the main drive 3; the small turning radius girder structure is composed of a front girder 4, a central shaft 5 and a rear girder 6, wherein the front girder 4 and the rear girder 6 are in rotary connection through the central shaft 5; the tightening propulsion system 7 is arranged on the rear main beam 6; the rear main beam 6 is fixedly connected with a rear supporting system 8; the rear mating system 10 is connected with the rear support system 8 through a traction cylinder 9.

The support protection system comprises a support protection device 11, a multi-degree-of-freedom anchor drilling machine 12 and an advanced drilling machine 13; the supporting protection device 11 is arranged at the rear side of the cutter head 1 and above the main drive 3, and the multi-degree-of-freedom anchor rod drilling machine 12 is arranged below the supporting protection device 11; and a multi-degree-of-freedom anchor rod drilling machine 12 and a lead drilling machine 13 are arranged at proper positions of the main beam, the rear supporting system and the like.

The conveying system consists of a slag remover 14, a primary transfer conveyor 15, a secondary transfer conveyor 16 and a continuous belt conveyor 17; the slag remover 14 is externally arranged and obliquely upwards arranged at the bottom of the front main beam 4, a slag removing bucket of the slag remover 14 is attached to the bottom of a digging roadway, and a slag hole of the slag remover 14 is positioned right above a material receiving hole of the secondary transfer conveyor 16; the primary transfer conveyor 15 is arranged in the cavity of the front main beam 4, and a material receiving opening and a slag outlet of the primary transfer conveyor 15 are respectively positioned at the rear side of the cutter head and above the body of the secondary transfer conveyor 16; the secondary transfer conveyor 16 is obliquely arranged on the lower side of the main beam in an upward and outward mode, penetrates through the rear supporting system 10, a slag hole of the secondary transfer conveyor 16 is fixed in the rear supporting system 10 and is positioned above a material receiving hole of the continuous belt conveyor 17 fixed in the rear supporting system 10, and a belt used by the continuous transfer conveyor 17 is provided by a roadway belt bin.

The invention provides a small turning radius main beam structure of a mine TBM heading machine, which has the following working principle: a small turning radius girder structure adopted by the mine TBM tunneling machine can realize small radius turning of the mine TBM tunneling machine, and expands the application range of the mine TBM tunneling machine.

In the tunneling process of the mine TBM tunneling machine, gangue generated by cutter head crushing is transported to the continuous belt conveyor 17 through the primary transfer conveyor 15 and the secondary transfer conveyor 16, and continuous slag discharge in the tunneling process of the mine TBM tunneling machine can be realized due to the fact that the belt of the continuous belt conveyor 17 is provided by the belt bin, and the construction efficiency is improved.

In the construction process, due to the unstable rock conditions, the phenomenon of falling edges inevitably occurs, and a slag remover positioned at the rear side of the cutterhead and below the main beam can automatically clean falling slag without manual slag removal; the dregs collected by the dreg cleaner are directly transferred to the secondary transfer conveyor, so that the structure is compact, and the mechanical automation level of modern mine construction is improved.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and therefore the invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a mine TBM entry driving machine which characterized in that: the device comprises a cutterhead (1), a shield (2), a main drive (3), a front main girder (4), a central shaft (5), a rear main girder (6), a pushing and tightening system (7), a rear supporting system (8), a traction oil cylinder (9), a rear supporting system (10), a supporting protection device (11), an anchor rod drilling machine (12), an advanced drilling machine (13), a slag remover (14), a primary transfer machine (15), a secondary transfer machine (16) and a continuous belt conveyor (17);

the cutter head (1) is installed at the end part of the main drive (3), a shield (2) is arranged around the main drive (3), a front main beam (4), a central shaft (5) and a rear main beam (6) jointly form a small turning radius main beam structure, the front main beam (4) and the rear main beam (6) are in rotary connection through the central shaft (5), a pushing and tightening system (7) is installed on the rear main beam (6), and the front part of the small turning radius main beam structure is connected with a driving device and is fixedly connected with a rear supporting system (8).

2. A mine TBM heading machine as defined in claim 1 wherein: the rear supporting system (10) is connected with the rear supporting system (8) through a traction oil cylinder (9), the supporting protection device (11) is arranged on the rear side of the cutterhead (1) and above the main drive (3), the multi-freedom-degree anchor rod drilling machine (12) is arranged below the supporting protection device (11), and the multi-freedom-degree anchor rod drilling machine (12) and the advanced drilling machine (13) are arranged at proper positions of the main beam, the rear supporting system and the like.

3. A mine TBM heading machine as defined in claim 2 wherein: the slag remover (14) is externally arranged at the bottom of the front main beam (4) in an inclined and upward way, a slag removing bucket of the slag remover (14) is attached to the bottom of a digging roadway, and a slag outlet of the slag remover (14) is positioned right above a material receiving opening of the secondary transfer machine (16).

4. A mine TBM heading machine as defined in claim 3 wherein: the primary transfer conveyor (15) is arranged in the cavity of the front main beam (4), and a receiving hole and a slag hole of the primary transfer conveyor (15) are respectively arranged at the rear side of the cutter head (1) and above the body of the secondary transfer conveyor (16).

5. A mine TBM heading machine as defined in claim 4 wherein: the secondary reversed loader (16) is obliquely arranged on the lower side of the main beam, penetrates through the rear supporting system (10), the slag hole of the secondary reversed loader (16) is fixed in the rear supporting system (10) and is positioned above the material receiving hole of the continuous belt conveyor (17) fixed in the rear supporting system (10), and a belt used by the continuous reversed loader is provided by a roadway belt bin.