CN219809007U

CN219809007U - Slag scraping device, TBM slag removal system and TBM

Info

Publication number: CN219809007U
Application number: CN202321395139.1U
Authority: CN
Inventors: 原晓伟; 穆书锋; 马顺顺; 钱豪; 姜礼杰; 徐光亿; 陈威明; 宋德华; 王若愚; 崔冠辉; 李俊志
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-10-10
Anticipated expiration: 2033-06-02

Abstract

The utility model belongs to the technical field of tunneling equipment, and particularly provides a slag scraping device, a TBM slag removal system and a TBM. The slag scraping device comprises a swing arm capable of swinging along the radial direction of a tunnel and a driving device for driving the swing arm to swing, wherein the swing arm is provided with a connecting part for connecting a main beam or a connecting bridge, and the swing arm is also provided with a slag scraping mechanism for sweeping and scraping slag stones on the wall of the tunnel. The TBM slag removal system comprises the slag scraping device. The TBM comprises the TBM slag removal system. The swing arm of the slag scraping device swings radially along the tunnel wall under the action of the swing arm driving device and opens towards two sides, the slag scraping mechanism moves along the tunnel wall to scrape slag stones or solidified slag on two sides of the tunnel wall, the tunnel shape is kept, finally the slag stones or solidified slag falls to the bottom of the tunnel, and the slag stones or solidified slag are cleaned and conveyed outwards by the slag cleaning device and the conveying device, so that the cleaning efficiency of the slag stones on the tunnel wall is improved.

Description

Slag scraping device, TBM slag removal system and TBM

Technical Field

The utility model belongs to the technical field of tunneling equipment, and particularly relates to a slag scraping device, a TBM slag removal system and a TBM.

Background

The tunnel geology of the mining TBM tunneling tunnel is mostly broken faults, mudstones and the like, and a shield body, supporting shoes, supporting legs and the like at the lower part of the TBM squeeze two side tunnel walls, so that the tunnel walls are easy to produce slag stones. In addition, when the supporting operation is carried out, the working procedures such as anchor rod beating, net hanging, guniting and the like can also cause slag stones or concretion slag on the wall of the hole. If the slag stone cannot be cleaned in time, the travel of the rear matched trailer can be influenced.

To efficiently remove slag from the bottom of a tunnel, TBMs are typically equipped with a slag removal system, such as that provided in applicant's issued patent nos. CN215979391U and CN 218934429U. However, the slag removal system is difficult to remove slag stones or solidified slag on the two side walls of the hole efficiently.

Disclosure of Invention

The utility model aims to provide a slag scraping device so as to solve the technical problem that TBM has low cleaning efficiency on two side walls in the prior art. The utility model also aims to provide a TBM slag removal system and a TBM so as to solve the same technical problems as above.

In order to achieve the above purpose, the technical scheme of the slag scraping device provided by the utility model is as follows:

the utility model provides a scrape sediment device, includes can follow the radial wobbling swing arm in tunnel and drive swing arm wobbling drive arrangement, and the swing arm is equipped with the connecting portion that is used for connecting girder or connecting bridge, and the swing arm still is equipped with and is used for sweeping and scrapes the sediment mechanism of scraping of hole wall sediment stone.

The beneficial effects are that: the utility model provides a slag scraping device for a TBM, which can be arranged on a main beam or a connecting bridge, enables a swing arm to have a movement of opening leftwards or rightwards, enables the swing arm to be outwards opened under the action of a swing arm driving device when the TBM is driven forwards, enables a slag scraping mechanism to move along a tunnel wall, scrapes slag stones or solidified slag on two sides of the tunnel wall, keeps the shape of a tunnel, finally enables the slag stones or solidified slag to fall to the bottom of the tunnel, and is cleaned and outwards conveyed by a slag cleaning device and a conveying device, so that the cleaning efficiency of the slag stones on the tunnel wall is improved.

As a further improvement, the slag scraping device further comprises a mounting seat, the mounting seat forms the connecting part, and the swing arms are mounted on the left side and the right side of the mounting seat and form a left swing arm and a right swing arm.

The beneficial effects are that: the swing arms on the left side and the right side are arranged on the same mounting seat, so that the synchronization of the scraping of the hole walls on the two sides is ensured, the stress on the two sides of the main beam or the connecting bridge is balanced, and the reliability is better.

As a further improvement, the slag scraping mechanism is movably arranged on the swing arm, and a slag scraping mechanism driving device for driving the slag scraping mechanism to move and keeping a determined position is connected between the swing arm and the slag scraping mechanism.

The beneficial effects are that: when the swing arm is opened outwards, the slag scraping mechanism can be retracted inwards, so that the slag scraping mechanism is not contacted with the wall of the hole. When the swing arm moves in place, the slag scraping mechanism moves outwards, keeps the position of the slag scraping mechanism fixedly contacted with the wall of the tunnel, then sweeps slag scraping stones or solidified slag along with the movement of the swing arm, and at the moment, the slag scraping mechanism can sweep the slag scraping stones or solidified slag to the bottom of the tunnel from top to bottom directly, so that the cleaning efficiency is further improved.

As a further improvement, the slag scraping mechanism is rotatably arranged on the swing arm, and the slag scraping mechanism driving device is used for driving the slag scraping mechanism to rotate.

The beneficial effects are that: compared with the scheme that the slag scraping mechanism moves along the radial direction of the swing arm, the rotary structure is simpler and is convenient to realize.

As a further improvement, the slag scraping mechanism driving device comprises a slag scraping telescopic cylinder, one end of the slag scraping telescopic cylinder is hinged with the slag scraping mechanism, and the other end of the slag scraping telescopic cylinder is hinged with the swing arm.

The beneficial effects are that: the triangular hinge structure is formed, and the stability is good.

As a further improvement, the swing arm driving device includes a swing arm cylinder.

The beneficial effects are that: the stability of the swing arm motion is improved.

As a further improvement, the slag scraping mechanism comprises a scraping blade.

The beneficial effects are that: compared with a slag scraping plate, the structural strength of the scraping shovel is higher. In addition, the slag sweeping device has a good downward slag sweeping effect.

In order to achieve the above purpose, the technical scheme of the TBM slag removal system provided by the utility model is as follows:

the TBM slag removal system comprises a slag removal device and a conveying device, wherein a slag scraping device is arranged on the front side of the slag removal device, the slag scraping device comprises a swing arm capable of swinging along the radial direction of a tunnel and a driving device for driving the swing arm to swing, the swing arm is provided with a connecting part for connecting a main beam or a connecting bridge, and the swing arm is further provided with a slag scraping mechanism for sweeping and scraping wall slag stones.

As a further improvement, the front end of the conveying device is provided with a slag collecting mechanism.

The beneficial effects are that: the slag stone conveying efficiency is improved.

In order to achieve the above purpose, the technical scheme of the TBM provided by the utility model is as follows:

the TBM comprises a TBM slag removal system, wherein the TBM slag removal system comprises a slag removal device and a conveying device, a slag scraping device is arranged on the front side of the slag removal device, the slag scraping device comprises a swing arm capable of swinging along the radial direction of a tunnel and a driving device for driving the swing arm to swing, the swing arm is provided with a connecting part for connecting a main beam or a connecting bridge, and the swing arm is further provided with a slag scraping mechanism for scraping slag stones on the wall of a tunnel.

Drawings

FIG. 1 is a schematic diagram of a TBM slag removal system of an embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of the slag removing device in FIG. 1;

fig. 3 is a schematic structural view of the slag scraping device in fig. 1.

Reference numerals illustrate:

1. a main beam; 2. a slag scraping device; 3. a slag removing device; 4. a conveying device; 201. a mounting base; 202. swing arms; 203. a spatula; 204. swing arm oil cylinder; 205. a spatula cylinder; 301. a slewing device; 302. a rotary base; 303. a large slag removing arm; 304. a telescoping arm; 305. a bucket; 306. a large arm oil cylinder; 307. a telescopic oil cylinder; 308. a bucket cylinder; 401. slag collecting wheel.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like is not excluded from a process, method, or the like that includes the element.

In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

The present utility model is described in further detail below with reference to examples.

Specific example 1 of TBM slag removal system provided by the utility model:

the TBM slag removal system provided in this embodiment is shown in fig. 1, and includes a slag scraping device 2, a slag removal device 3, and a conveying device 4, where the slag scraping device 2, the slag removal device 3, and the conveying device 4 are all installed on a main beam 1. The slag removing device 3 is used for shoveling slag stones at the bottom of the tunnel, and the conveying device 4 is used for shoveling the slag stones shoveled by the slag removing device 3 out of the tunnel. The slag scraping device 2 is arranged at the front side of the slag removing device 3.

As shown in fig. 3, the slag scraping means 2 includes a mounting seat 201, and is mounted on the main beam 1 through the mounting seat 201. In fact, in other embodiments, parts of the slag removal system may also be connected to the connecting bridge. Swing arms 202 capable of swinging are connected to the left side and the right side of the mounting seat 201, a swing arm driving device used for driving the swing arms 202 to move is arranged between the swing arms 202 and the mounting seat 201, and the swing arms 202 on the two sides can swing along the radial direction of the tunnel. In this embodiment, the swing arm driving device includes a swing arm cylinder 204, and two ends of the swing arm cylinder 204 are hinged to the swing arm 202 and the mounting seat 201 respectively.

The swing arm 202 is provided with a slag scraping mechanism for scraping the two side walls of the tunnel, wherein the scraping meaning is that the swing arm 202 can keep a fixed scraping radius to move along the two side walls, and the scraping and the shaping are performed on the two side walls. When the swing arm 202 swings, the slag scraping mechanism moves along with the swing arm 202 to scrape slag stones or solidified slag on the two side walls of the holes, so that the slag removal efficiency of the slag stones on the two side walls of the holes is improved. Specifically, in the present embodiment, the slag scraping mechanism includes a spatula 203. The spatula 203 has a triangular prism structure and high structural strength.

In this embodiment, the spatula 203 is movably mounted on the swing arm 202, and a driving device for a scraping mechanism for driving the spatula 203 to move is further disposed between the swing arm 202 and the spatula 203, and under the driving action of the driving device for the scraping mechanism, the spatula 203 can move relative to the swing arm 202, so that the hole wall is avoided when the swing arm 202 is unfolded outwards (upwards), and when the swing arm is unfolded to a proper position, the driving device for the scraping mechanism drives the spatula 203 to move, and keeps a certain position, so that the spatula 203 contacts with the hole wall, namely, the scraping radius of the swing arm is kept. In this embodiment, the spatula 203 is rotatably mounted on the swing arm 202, specifically, hinged, and the driving device of the residue scraping mechanism includes a residue scraping telescopic cylinder, specifically, a spatula cylinder 205, two ends of which are respectively hinged with the spatula 203 and the swing arm 202, the spatula cylinder 205, the spatula 203 and the swing arm 202 form a stable triangle structure, so that the residue scraping stability of the spatula 203 is improved. In other embodiments, spatula cylinder 205 may be replaced with a cylinder or a power pushrod.

As shown in fig. 2, the slag removing device comprises a revolving device 301 and a revolving seat 302, the revolving seat 302 can revolve along with the revolving device 301, the revolving seat 302 is hinged with a slag removing large arm 303, a large arm oil cylinder 306 is hinged between the slag removing large arm 303 and the revolving seat 302, and the large arm oil cylinder 306 drives the slag removing large arm 303 to swing so as to change the moving range of the slag removing large arm 303. The large slag removing arm 303 is provided with a telescopic arm 304 and a telescopic cylinder 307 for driving the telescopic arm 304 to extend and retract along the large slag removing arm 303. The telescopic arm 304 is hinged with the bucket 305, a bucket oil cylinder 308 for driving the bucket 305 to swing is arranged between the telescopic arm 304 and the bucket 305, and the bucket oil cylinder 308 drives the bucket to swing through a link mechanism, so that the cleaning operation of slag stones at the bottom of the tunnel is realized. The specific working principle of the slag removing device is the prior art and is not specifically described here.

As shown in fig. 1, the front end of the conveying device 4 is provided with a slag collecting device for collecting slag stones from the slag removing device 3 and transferring the slag stones to the conveying belt conveyor. Specifically, in the present embodiment, the slag collecting device includes a slag collecting wheel 401. In other embodiments, the slag collecting device can also be a push shovel, and the pitching movement of the push shovel can intensively unload the slag stones on the conveying belt conveyor.

Unlike the prior art, in this embodiment, the slag scraping device 2 can move along two side walls, the scraping blade 203 scrapes down the slag stones on the two side walls, the slag stones on the two sides fall into the bottom of the tunnel, and the slag removing device 3 collects and cleans the slag stones on the two sides of the tunnel wall, so that the cleaning efficiency of the slag stones on the two sides of the tunnel wall is greatly improved. Additionally, the spatula 203 can be retracted inwardly when the swing arms 202 are splayed outwardly, thereby avoiding the spatula 203 from contacting the wall of the hole when splayed. When the swing arm 202 is retracted inwards, the scraping shovel 203 is opened outwards to start scraping away the slag stones on the two side walls of the tunnel, and the slag stones are directly conveyed to the bottom of the tunnel, so that the efficiency is further improved.

The concrete example 2 of the TBM slag removal system provided by the utility model is mainly different from the concrete example 1 in that: in embodiment 1, the swing arms 202 are mounted on the left and right sides of the mounting seat 201 to form left and right swing arms, so that synchronization of scraping the wall of the hole on both sides is ensured, stress on both sides of the main beam or the connecting bridge is balanced, and reliability is better. In this embodiment, the slag scraping means may comprise only one swing arm, each having a connection portion for connection with the main beam or the connection bridge, such as a small mount. When the device is used, the two independent swing arms are arranged at the bottom of the main beam or the connecting bridge, and can also be arranged at two sides of the main beam or the connecting bridge, so that the device can sweep and scrape the wall slag stones at two sides.

The concrete example 3 of the TBM slag removal system provided by the utility model is mainly different from the concrete example 1 in that: in embodiment 1, the spatula 203 of the slag scraping device is rotatably mounted on the swing arm. In this embodiment, the spatula is fixed on the swing arm, at this moment can realize scraping the curbstone of both sides wall in the open in-process of swing arm, and the curbstone falls into tunnel bottom under the action of gravity.

The concrete example 4 of the TBM slag removal system provided by the utility model is mainly different from the concrete example 1 in that: in embodiment 1, the spatula 203 of the slag scraping device is rotated on the swing arm. In this embodiment, the spatula 203 may move radially along the swing arm 202, and in particular may slide, and the swing arm is further provided with a driving device for driving the spatula 203 to slide radially. In addition, swing arm 202 may also include a telescoping arm on which the spatula is mounted.

The concrete example 5 of the TBM slag removal system provided by the utility model is mainly different from the concrete example 1 in that: in embodiment 1, the driving device for driving the swing arm 202 to swing and the driving device for driving the spatula 203 to rotate are hydraulic cylinders. In this embodiment, the driving device for driving the swing arm 202 to swing may also be a hydraulic motor, and the power output shaft of the hydraulic motor is parallel or coaxial with the swing arm 202, and may also drive the swing arm to swing. Likewise, the driving means for driving the spatula 203 to rotate may be a hydraulic motor.

The concrete example 6 of the TBM slag removal system provided by the utility model is mainly different from the concrete example 1 in that: in embodiment 1, the slag scraping mechanism of the slag scraping means includes a scraper 203. In this embodiment, the scraping mechanism may be a shell grab, a scraping plate, or a scraping rake.

Specific embodiments of the slag scraping device in the utility model are as follows:

the slag scraping device is described in any of embodiments 1 to 6 of the TBM slag removal system, and is not described in detail herein.

Specific embodiments of TBM provided by the utility model:

the TBM includes a slag removal system, and the slag removal system of the TBM described in any of embodiments 1 to 6 of the above TBM slag removal system is not specifically described herein.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a sediment device is scraped, its characterized in that, including can follow the radial wobbling swing arm in tunnel and drive swing arm wobbling drive arrangement, the swing arm is equipped with the connecting portion that is used for connecting girder or connecting bridge, and the swing arm still is equipped with and is used for sweeping the sediment mechanism of scraping of cave wall sediment stone, should scrape sediment device still includes the mount pad, and the mount pad forms connecting portion, the mount pad includes straight installation arm, the swing arm is installed the left and right sides of installation arm to form left swing arm and right swing arm.

2. The slag scraping device according to claim 1, wherein the slag scraping mechanism is movably mounted on the swing arm, and a slag scraping mechanism driving device for driving the slag scraping mechanism to move and keeping a determined position is connected between the swing arm and the slag scraping mechanism.

3. The slag scraping apparatus as claimed in claim 2, wherein the slag scraping mechanism is rotatably mounted on the swing arm, and the slag scraping mechanism driving means is for driving the slag scraping mechanism to rotate.

4. A slag scraping apparatus as claimed in claim 3 wherein said slag scraping mechanism driving means comprises a slag scraping telescopic cylinder having one end hinged to said slag scraping mechanism and the other end hinged to said swing arm.

5. The slag scraping apparatus of claim 1, wherein the swing arm driving means comprises a swing arm cylinder.

6. The slag scraping apparatus of claim 1, wherein the slag scraping mechanism comprises a spatula.

7. A TBM slag removal system comprising a slag removal device and a conveying device, characterized in that the front side of the slag removal device is provided with a slag scraping device according to any one of claims 1-6.

8. The TBM slag removal system of claim 7, wherein a slag collection mechanism is provided at a front end of the conveyor.

9. A TBM comprising the TBM slag removal system of claim 7 or 8.