CN214330635U

CN214330635U - Tunnel slag collecting device

Info

Publication number: CN214330635U
Application number: CN202120366494.0U
Authority: CN
Inventors: 肖威; 邓飞; 宋春晓; 陈凯歌; 赵子辉; 赵飞; 张恒; 付玉龙; 宋德华
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-01
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a tunnel slag collecting device, which comprises a belt conveyor for conveying slag stones outside the tunnel and a transmission chain and a plurality of scraper groups for conveying the slag stones at the bottom of the tunnel to the belt conveyor, wherein the transmission chain and the scraper groups are enclosed in a vertical plane to form an annular structure; the below that is located the drive chain at loop configuration top is provided with first baffle, and the one end downward sloping that is close to the belt feeder on the first baffle meets with the top surface of belt feeder to top formation slabstone mouth that drops at the belt feeder, the utility model provides a can't be fast, thoroughly carry out the technical problem of carrying outward with the slabstone when tunneling to flat tunnel.

Description

Tunnel slag collecting device

Technical Field

The utility model relates to a tunnel boring machine field, it is further, relate to a sediment device is received in tunnel, especially relate to a device that is used for collecting and carrying the dregs in the flat tunnel.

Background

The excavation section of the traditional tunnel boring machine is generally circular, and the scraper bucket is arranged on the circular cutter head, so that the slag stones falling to the bottom after cutting and piled together are collected to the belt conveyor and sent out. However, for a tunnel with a full-face door opening shape, the tunnel is generally tunneled by a circular cutter head and auxiliary cutters at two sides, so that a required section form is obtained. Because the circular cutter head and the auxiliary cutters at the two sides are not in the same cross section, the scraper buckets on the circular cutter head cannot effectively collect the slag stones cut by the auxiliary cutters at the two sides above the belt conveyor, so that the slag stones cannot be rapidly transported out, and the tunneling efficiency is influenced.

Aiming at the problem that the slag cannot be rapidly and thoroughly conveyed outwards when the flat-bottom tunnel is tunneled in the prior art, an effective solution is not provided at present.

Therefore, the inventor provides the tunnel slag collecting device by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sediment device is received in tunnel can be with the slabstone that the auxiliary tool that is located circular blade disc both sides cut off quick, effectual collection belt feeder on and transport outside the tunnel, convenient quick, to the slabstone clearance thoroughly, can effectively improve tunnelling efficiency, stronger to the adaptability of tunnel cross section.

The purpose of the utility model can be realized by adopting the following technical scheme:

the utility model provides a sediment device is received in tunnel, it sets up in the tunnel, the sediment device is received in tunnel includes carries the slabstone to the outer belt feeder in tunnel and will be located the slabstone of tunnel bottom and carry drive chain and a plurality of scraping plate group on the belt feeder, wherein:

the transmission chain is surrounded in a vertical plane to form an annular structure, the scraper groups are arranged on an outer ring of the annular transmission chain at intervals along the extending direction of the transmission chain, the transmission chain is arranged around the belt conveyor, a first gap is reserved between the transmission chain at the bottom of the annular structure and the bottom of the tunnel, and the scraper groups on the transmission chain at the bottom of the annular structure are in contact with the bottom of the tunnel;

the lower part of the transmission chain, which is positioned at the top of the annular structure, is provided with a first baffle along the horizontal direction, the first baffle is close to one end of the belt conveyor, inclines downwards and is connected with the top surface of the belt conveyor, so that a slag falling port is formed above the belt conveyor.

The utility model discloses a in a preferred embodiment, the sediment device is received in tunnel still includes a plurality of drive sprocket, a plurality of driven sprocket and a plurality of drive arrangement, each drive sprocket's axial and each driven sprocket's axial homogeneous phase is parallel and with the length direction of first baffle is mutually perpendicular, drive chain connects in each drive sprocket with between the driven sprocket, each drive sprocket respectively with correspond drive arrangement connects.

In a preferred embodiment of the present invention, the number of the driving sprocket and the number of the driven sprockets are two, two the driving sprocket is respectively disposed above the corresponding driven sprockets.

In a preferred embodiment of the present invention, a second gap is left between the top surface of the first baffle and the drive chain between the two drive sprockets.

In a preferred embodiment of the present invention, a second baffle is provided between the driven sprockets, and a third gap is left between the bottom surface of the second baffle and the driven sprocket between the drive chains.

The utility model discloses a in a preferred embodiment, drive sprocket is rather than adjacent be provided with the third baffle between the driven sprocket, keep away from on the third baffle the wall of belt feeder one side with be located drive sprocket rather than adjacent between the driven sprocket leave the fourth clearance between the drive chain.

In a preferred embodiment of the present invention, the tunnel slag collecting device further comprises a supporting platform, and the belt conveyor is disposed on the top of the supporting platform.

In a preferred embodiment of the present invention, the driven sprocket is a tension wheel.

The utility model discloses an in a preferred embodiment, driven sprocket includes wheel, telescopic link and spring, the both ends of telescopic link are provided with first boss and second boss respectively, the spring housing is located on the telescopic link, just the both ends of spring respectively with first boss with second boss butt, the wheel with the one end of telescopic link is articulated, the other end of telescopic link with supporting platform connects.

The utility model discloses an in a preferred embodiment, scraper blade group includes two scraper blade pieces, two the scraper blade piece set up respectively in drive chain's both sides, two the one end of scraper blade piece respectively with drive chain connects, two the other end of scraper blade piece is followed the width direction of first baffle is respectively to keeping away from drive chain's direction extends.

In a preferred embodiment of the present invention, the scraper bar is connected to the driving chain by a pin.

From above, the utility model discloses a characteristics and advantage of sediment device are received in tunnel are: the periphery of the belt conveyor is vertically wound with a transmission chain, a plurality of scraper groups are arranged on the transmission chain at intervals along the extending direction of the transmission chain, a first gap is reserved between the transmission chain at the bottom of the annular structure and the bottom of the tunnel, so that the scraper groups on the transmission chain at the bottom of the annular structure can be in contact with the bottom of the tunnel, and the scraper groups are driven by the transmission chain to move, so that the slag stones at the bottom of the tunnel are collected by the scraper groups and are lifted to the upper side of the belt conveyor in the vertical direction; a first baffle is arranged below the transmission chain at the top of the annular structure, one end of the first baffle, which is close to the belt conveyor, is downwards inclined and is connected with the top surface of the belt conveyor, so that a slag falling port is formed above the belt conveyor, when the scraper blade group moves to the position above the first baffle, the scraper blade group automatically dumps the carried slag onto the first baffle, the slag on the first baffle is pushed to move towards the slag falling port along with the continuous movement of the transmission chain and the scraper blade groups, and finally the slag falls onto the belt conveyor through the slag falling port, so that the collection and outward transportation of the slag are completed, the slag is conveniently and quickly cleaned thoroughly, and the tunneling efficiency can be effectively improved; in the actual operation in-process, can adjust drive chain's shape according to the shape of tunnel cross section, improve the adaptability to different tunnel cross sections, make it thoroughly clear away the slabstone of tunnel bottom, in order to increase the utility model discloses an application scope.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1: is a structural schematic diagram of the tunnel slag collecting device of the utility model.

FIG. 2: is the top view of the connecting position of the transmission chain and the scraper blade in the tunnel slag collecting device of the utility model.

FIG. 3: does the structure schematic diagram of the driven chain wheel in the tunnel slag collecting device.

FIG. 4: is the working state schematic diagram of the tunnel slag collecting device of the utility model.

The utility model provides an reference numeral does:

1. a drive chain; 2. A scraping plate group;

201. a squeegee blade; 3. A first baffle plate;

4. a belt conveyor; 5. A slag falling port;

6. a drive sprocket; 7. A driven sprocket;

701. a wheel; 702. A telescopic rod;

7021. a first boss; 7022. A second boss;

703. a spring; 8. A support platform;

9. a second baffle; 10. A third baffle plate;

20. a flat bottom tunnel.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a sediment device is received in tunnel, it sets up in the tunnel, and this sediment device is received in tunnel includes belt feeder 4, drive chain 1 and a plurality of scraper blade group 2, and drive chain 1 cooperatees with each scraper blade group 2 and will be located the ballast of tunnel bottom and carry belt feeder 4 on, and belt feeder 4 is used for carrying the ballast to the tunnel outside. Wherein: the transmission chain 1 is enclosed in a vertical plane to form an annular structure, each scraper group 2 is arranged on the outer ring of the annular transmission chain 1 at intervals along the extension direction of the transmission chain 1, the transmission chain 1 is arranged on the outer side of the belt conveyor 4 in an encircling manner, a first gap is reserved between the transmission chain 1 at the bottom of the annular structure and the bottom of the tunnel, and the scraper groups 2 on the transmission chain 1 at the bottom of the annular structure are in contact with the bottom of the tunnel, so that the slag at the bottom of the tunnel can be collected through the scraper groups 2 in the motion state of the transmission chain 1; a first baffle 3 for containing the slag falling from the scraper group 2 is arranged below the transmission chain 1 at the top of the annular structure along the horizontal direction, one end of the first baffle 3 close to the belt conveyor 4 is inclined downwards and is connected with the top surface of the belt conveyor 4, and a slag falling port 5 is formed above the belt conveyor 4.

The utility model discloses it is provided with drive chain 1 to encircle at the periphery of belt feeder 4, is provided with a plurality of scraping plate group 2 at the interval on drive chain 1, leaves the first clearance between drive chain 1 and the tunnel bottom that is located the annular structure bottom to make scraping plate group 2 on drive chain 1 that is located the annular structure bottom contact with the tunnel bottom, drives each scraping plate group 2 through drive chain 1 and removes, thereby collects the slabstone that is located the tunnel bottom and promotes the slabstone to the top of belt feeder 4 in vertical direction through scraping plate group 2; be provided with first baffle 3 in the below that is located the drive chain 1 at the loop configuration top, and the one end downward sloping that is close to belt feeder 4 on first baffle 3 meets with the top surface of belt feeder 4, thereby form the slabstone mouth of dropping 5 in the top of belt feeder 4, when scraper blade group 2 moves to the top of first baffle 3, scraper blade group 2 is automatic to be emptyd the slabstone that carries to first baffle 3 on, along with drive chain 1 and each scraper blade group 2's continuation motion, drive chain 1 that is located first baffle 3 top and each scraper blade group 2 can promote the slabstone on the first baffle 3 to the slabstone mouth of dropping 5 direction removal, finally drop to the belt feeder 4 on through the slabstone mouth of dropping 5, transport outside the tunnel with the slabstone is concentrated through belt feeder 4, this process is convenient quick, can thoroughly clear up the slabstone of tunnel bottom, effectively improve tunnelling efficiency.

The utility model discloses at the actual operation in-process, can adjust drive chain's shape according to the shape of tunnel cross section, improve the adaptability to different tunnel cross sections (especially to flat tunnel 20), make it can concentrate the collection and thoroughly clear away the slabstone that the auxiliary tool that makes it can be simultaneously to main cutter head and be located main cutter head both sides cut the utility model discloses have wider application scope, effectively solved can't be fast with the slabstone when tunnelling to flat tunnel 20, thoroughly collect and the problem of carrying externally.

In an optional embodiment of the present invention, as shown in fig. 2, the scraper set 2 includes two scraper pieces 201, the two scraper pieces 201 are respectively disposed on two sides of the transmission chain 1, one ends of the two scraper pieces 201 are respectively connected to the transmission chain 1, and the other ends of the two scraper pieces 201 extend along the width direction of the first baffle 3 (the width direction of the first baffle 3 is parallel to the axial direction of the tunnel) respectively in the direction away from the transmission chain 1.

Further, the scraper blade 201 is detachably connected with the drive chain 1 through a pin.

In an optional embodiment of the utility model, as shown in fig. 1, the tunnel slag collecting device further includes a plurality of driving sprockets 6, a plurality of driven sprockets 7 and a plurality of driving devices (not shown), the axial direction of each driving sprocket 6 and the axial direction of each driven sprocket 7 are all parallel with the axial direction of the tunnel and perpendicular to the length direction of the first baffle 3 (the length direction of the first baffle 3 is perpendicular to the width direction of the first baffle 3), the transmission chain 1 is connected between each driving sprocket 6 and the driven sprocket 7, and each driving sprocket 6 is connected with the corresponding driving device respectively. Through each driving sprocket 6 and each driven sprocket 7 cooperate, support and the design to drive chain 1 for drive chain 1 can form the shape with the lower part matched with of tunnel cross section, thereby guarantees to thoroughly clear away the slag stone of tunnel bottom smoothly.

Further, the driving device may employ, but is not limited to, a motor reducer, an output shaft of which is connected to the central rotating shaft of the driving sprocket 6.

Specifically, as shown in fig. 1, the number of the driving sprockets 6 and the driven sprockets 7 is two, and the two driving sprockets 6 are respectively disposed above the corresponding driven sprockets 7 to support the transmission chain 1 to form a shape matched with the lower portion of the cross section of the flat-bottomed tunnel 20.

Further, leave the second clearance between the top surface of first baffle 3 and the drive chain 1 that is located between two driving sprocket 6, for the slabstone provides the flourishing space that connects, in order to guarantee that first baffle 3 can catch the slabstone that drops from scraper blade group 2 smoothly, treat that the slabstone that drops fills up the second clearance after, the drive chain 1 that is located the ring configuration top and scraper blade group 2 above that can contact with the slabstone under the motion state, and then promote the slabstone to the 5 direction removal of slabstone drop mouth on first baffle 3.

Further, as shown in fig. 1, a second baffle 9 is arranged between the two driven sprockets 7, and a third gap is left between the bottom surface of the second baffle 9 and the transmission chain 1 between the two driven sprockets 7; a third baffle plate 10 is arranged between the driving chain wheel 6 and the driven chain wheel 7 adjacent to the driving chain wheel 6, and a fourth gap is reserved between the wall surface of one side, far away from the belt conveyor 4, of the third baffle plate 10 and the transmission chain 1 positioned between the driving chain wheel 6 and the driven chain wheel 7 adjacent to the driving chain wheel. Through the setting of second baffle 9 and third baffle 10, play the effect that separates the fender to the slabstone, can enough prevent the slabstone in the tunnel to enter into the device inside, avoid causing the damage to internal plant, can improve again the utility model discloses holistic stability.

In an optional embodiment of the present invention, as shown in fig. 1, the tunnel slag collecting device further includes a supporting platform 8, and the belt conveyor 4 is fixedly disposed on the top of the supporting platform 8.

In an alternative embodiment of the present invention, as shown in fig. 1 and 3, the driven sprocket 7 is a tension wheel. Driven sprocket 7 includes wheel 701, telescopic link 702 and spring 703, the one end of telescopic link 702 is provided with annular first boss 7021 along the circumference of telescopic link 702, the other end of telescopic link 702 is provided with annular second boss 7022 along the circumference of telescopic link 702, spring 703 cover is located on telescopic link 702, and the one end and the first boss 7021 butt of spring 703, the other end and the second boss 7022 butt of spring 703, wheel 701 is articulated with the one end of telescopic link 702, the other end fixed connection of telescopic link 702 is on supporting platform 8. The telescopic rod 702 is matched with the spring 703 to support the wheel 701, so that the wheel 701 can stably support the transmission chain 1.

The utility model discloses mainly be applicable to the cross section and be the tunnel tunnelling operation of non-circular shape, not only can collect the slabstone that circular blade dish cut, can also thoroughly collect and transport the slabstone that the auxiliary tool of circular blade both sides cut the production. In the operation process, motor reducer drives drive sprocket 6 and rotates, drive sprocket 6 drives drive chain 1 and is located each scraper piece 201 motion on drive chain 1, scraper piece 201 scrapes the slabstone when scraper piece 201 moves to the tunnel bottom, and along with drive chain 1's motion scraper piece 201 carries the slabstone upward movement, the slabstone on scraper piece 201 falls to first baffle 3 and piles up at first baffle 3 owing to self gravity after walking around drive sprocket 6, because the second clearance between the upper surface of first baffle 3 and drive chain 1 is very little, along with drive chain 1's continuous motion, scraper piece 201 can contact and promote the slabstone to the slabstone mouth 5 direction that drops and remove, finally drop into to the belt feeder 4 through slabstone mouth 5, carry out the slabstone to the tunnel outside by belt feeder 4 finally. In the actual operation process, the power of the motor speed reducer can be adjusted according to the quantity of the slag stones and the conveying speed of the slag stones.

The utility model discloses a sediment device is received in tunnel's characteristics and advantage are:

the tunnel slag collecting device can fully remove all slag stones cut by the circular cutter head and the auxiliary cutters positioned on two sides of the circular cutter head, is high in speed and thorough in cleaning, is suitable for the flat-bottom tunnel 20, and effectively improves the tunneling efficiency.

Two, this tunnel is received sediment device cooperatees through a plurality of drive sprocket 6 and a plurality of driven sprocket 7 and plays the effect of drive and support to drive chain 1, can adjust drive chain 1's shape according to the shape of tunnel cross section, improves the adaptability to different tunnel cross sections, has wider application scope, can effectively solve and can't collect the problem of carrying with the slabstone fast, thoroughly when tunnelling flat tunnel 20 and externally.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a sediment device is received in tunnel, its sets up in the tunnel, its characterized in that, the sediment device is received in tunnel includes carries the slabstone to belt feeder (4) outside the tunnel and will be located the slabstone of tunnel bottom and carry drive chain (1) and a plurality of scraping plate group (2) on belt feeder (4), wherein:

the transmission chain (1) is enclosed in a vertical plane to form an annular structure, the scraper groups (2) are arranged on an outer ring of the annular transmission chain (1) at intervals along the extension direction of the transmission chain (1), the transmission chain (1) is arranged around the belt conveyor (4), a first gap is reserved between the transmission chain (1) at the bottom of the annular structure and the bottom of the tunnel, and the scraper groups (2) on the transmission chain (1) at the bottom of the annular structure are in contact with the bottom of the tunnel;

the lower portion of the transmission chain (1) at the top of the annular structure is provided with a first baffle (3) along the horizontal direction, the first baffle (3) is close to one end of the belt conveyor (4) and is inclined downwards and connected with the top surface of the belt conveyor (4), so that a slag stone falling port (5) is formed above the belt conveyor (4).

2. The tunnel slag collecting device according to claim 1, further comprising a plurality of driving sprockets (6), a plurality of driven sprockets (7) and a plurality of driving devices, wherein the axial direction of each driving sprocket (6) and the axial direction of each driven sprocket (7) are parallel and perpendicular to the length direction of the first baffle (3), the transmission chain (1) is connected between each driving sprocket (6) and each driven sprocket (7), and each driving sprocket (6) is connected with the corresponding driving device.

3. The tunnel slag collecting device according to claim 2, wherein the number of the driving sprockets (6) and the driven sprockets (7) is two, and the two driving sprockets (6) are respectively arranged above the corresponding driven sprockets (7).

4. A tunnel slag collecting device according to claim 3, characterized in that a second gap is left between the top surface of the first baffle (3) and the drive chain (1) between the two drive sprockets (6).

5. A tunnel slag collecting device according to claim 3, characterized in that a second baffle (9) is arranged between the two driven sprockets (7), and a third gap is left between the bottom surface of the second baffle (9) and the transmission chain (1) between the two driven sprockets (7).

6. A tunnel slag collecting device according to claim 3, characterized in that a third baffle (10) is arranged between the driving sprocket (6) and the driven sprocket (7) adjacent to the driving sprocket, and a fourth gap is reserved between the wall surface of the third baffle (10) far away from the belt conveyor (4) and the transmission chain (1) between the driving sprocket (6) and the driven sprocket (7) adjacent to the driving sprocket.

7. The tunnel slag collecting device according to claim 2 or 3, characterized in that the tunnel slag collecting device further comprises a supporting platform (8), and the belt conveyor (4) is arranged on top of the supporting platform (8).

8. The tunnel slag collecting device according to claim 7, characterized in that the driven sprocket (7) is a tension wheel.

9. The tunnel slag collecting device according to claim 8, wherein the driven sprocket (7) comprises a wheel (701), a telescopic rod (702) and a spring (703), a first boss (7021) and a second boss (7022) are respectively arranged at two ends of the telescopic rod (702), the spring (703) is sleeved on the telescopic rod (702), two ends of the spring (703) are respectively abutted against the first boss (7021) and the second boss (7022), the wheel (701) is hinged to one end of the telescopic rod (702), and the other end of the telescopic rod (702) is connected with the supporting platform (8).

10. The tunnel slag collecting device according to claim 1, wherein the scraper group (2) comprises two scraper pieces (201), the two scraper pieces (201) are respectively disposed at two sides of the transmission chain (1), one ends of the two scraper pieces (201) are respectively connected with the transmission chain (1), and the other ends of the two scraper pieces (201) respectively extend in a direction away from the transmission chain (1) along the width direction of the first baffle (3).

11. The tunnel slag collecting device as claimed in claim 10, wherein the scraper blade (201) is connected with the drive chain (1) by a pin.