CN113417656A - Minor diameter TBM structure and tunnel boring machine of slagging tap - Google Patents
Minor diameter TBM structure and tunnel boring machine of slagging tap Download PDFInfo
- Publication number
- CN113417656A CN113417656A CN202110906578.3A CN202110906578A CN113417656A CN 113417656 A CN113417656 A CN 113417656A CN 202110906578 A CN202110906578 A CN 202110906578A CN 113417656 A CN113417656 A CN 113417656A
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- slag
- cutter head
- guide plate
- small
- head body
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- 239000002893 slag Substances 0.000 claims abstract description 102
- 238000010079 rubber tapping Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 9
- 230000005641 tunneling Effects 0.000 abstract description 8
- 230000032258 transport Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present case provides a minor diameter TBM structure and tunnel boring machine of slagging tap installs in the peripheral forming relieved tooth of blade disc body, under the blade disc is rotatory, shovels the slabstone from the bottom of blade disc body and transports the stock guide, passes through the swift current slag plate again, and the slabstone falls to the belt feeder of slagging tap who is arranged in the installation breach on the swift current slag plate and connects the hopper in, then by the belt feeder of slagging tap transshipment to the hole outside, can satisfy the demand that the minor diameter blade disc cut was slagging tap. Meanwhile, the slag-tapping belt conveyor is arranged at the top, the middle position of the rear end of the cutter head body is reserved for the driving unit, the power of the cutter head driving unit is improved, the small-diameter TBM tunneling and slag-tapping requirements can be met finally, and the tunneling efficiency is improved.
Description
Technical Field
The invention belongs to the field of small-diameter TBM design, and particularly relates to a slag tapping structure suitable for a small-diameter TBM.
Background
At present, full face rock entry driving Machine adopts the belt feeder to slag tap more, medium and large diameter TBM (Tunnel Boring Machine) is because the space is great, the blade disc drive adopts the peripheral form of arranging, there is sufficient space in the blade disc middle part to be used for placing slag tapping system, slag tapping system arranges in the middle of the blade disc, the slag stone of hobbing cutter cutting is transported to the slag chute in blade disc middle part through the scum board from the bottom by the forming relieved tooth that arranges in the blade disc periphery, and then there is the belt feeder of slag chute lower part to the outside the hole, and along with excavating the reduction of diameter, blade disc drive unit can only arrange at blade disc rotation center, thereby there is not sufficient spatial arrangement slag tapping system in the blade disc middle part.
Therefore, how to provide a novel slag tapping structure to meet the requirement of cutting and slag tapping of a small-diameter cutter head is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a small-diameter TBM slag tapping structure which can meet the requirement of cutting and tapping of a small-diameter cutter head so as to meet the requirements of tunneling and tapping of the small-diameter TBM. The invention also aims to provide the tunnel boring machine with the small-diameter TBM slag tapping structure.
In order to solve the technical problem, the invention provides a small-diameter TBM slag discharging structure, which comprises a cutter head body, a hob, a relieving tooth, a guide plate, a slag sliding plate and a slag discharging belt conveyor, wherein,
the hob and the relieving teeth are arranged on the front end face of the cutter head body, and the middle of the rear end face of the cutter head body is connected with a driving unit of a tunnel boring machine;
the slag slide plate is positioned at the rear end of the cutter head body and is fixed on the front shield, and the top of the slag slide plate is provided with an installation notch for installing a slag discharge belt conveyor;
the shovel teeth are arranged on the cutter head body and are used for shoveling slag materials cut by the hob onto the material guide plate from the bottom of the cutter head body.
Optionally, the belt feeder of slagging tap is fixed in drive unit's upper portion, the hopper that connects of the belt feeder of slagging tap stretches into extremely in the fluting of swift current slag plate, be used for the handle the slag charge of hobbing cutter cut is transported on the belt feeder of slagging tap, and then transport outside the hole.
Optionally, the relieving is multiple.
Optionally, the number of the material guide plates is multiple, and each material guide plate can rotate to the position above the material receiving hopper of the slag discharge belt conveyor along with the cutter head body.
Optionally, the material guide plate is a spiral material guide plate in a spiral shape.
Optionally, a gap is formed between the inner side of the material guide plate and the slag chute, and a gap is formed between the outer side of the material guide plate and the front shield.
Optionally, the material guide plates are uniformly arranged along the circumferential direction of the cutter head body.
Optionally, the material guide plate and the forming relieved teeth are detachably arranged on the cutter head body.
This scheme still provides a tunnel boring machine, includes foreshield, drive unit and as above the minor diameter TBM structure of slagging tap.
This scheme provides a minor diameter TBM structure of slagging tap, and beneficial effect lies in:
install in the peripheral and facial forming relieved tooth of blade disc body, under the blade disc is rotatory, carry the guide plate to the slabstone from blade disc body bottom shovel, pass through the swift current slag plate again, make the slag charge fall to be located the belt feeder that slags tap in the installation breach on the swift current slag plate and connect the hopper, then outside the hole is transported by the belt feeder that slags tap, can satisfy the demand that the minor diameter blade disc cut slag tap. Meanwhile, the slag-tapping belt conveyor is arranged at the top, the middle position of the rear end of the cutter head body is reserved for the driving unit, the power of the cutter head driving unit is improved, the small-diameter TBM tunneling and slag-tapping requirements can be met finally, and the tunneling efficiency is improved.
The invention also provides a tunnel boring machine with the small-diameter TBM slag tapping structure, so that the tunnel boring machine also has the beneficial effects, and the detailed description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of a small-diameter TBM slag tapping structure provided by the scheme;
FIG. 2 is a cross-sectional view taken along line M-M of FIG. 1;
fig. 3 is a cross-sectional view of fig. 2 in the direction N-N.
In the upper diagram:
the cutter head comprises a cutter head body 1, a hob 2, a relieving tooth 3, a material guide plate 4, a slag sliding plate 5, a slag discharging belt conveyor 6 and a front shield P.
Detailed Description
The core of the invention is to provide a small-diameter TBM slag tapping structure and a tunnel boring machine, which can meet the requirement of cutting and slag tapping of a small-diameter cutter head so as to meet the requirements of small-diameter TBM boring and slag tapping and keep the boring efficiency.
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the present invention provides a small diameter TBM slag tapping structure, which includes a cutter head body 1, a hob 2, a forming relieved tooth 3, a material guide plate 4, a slag chute 5 and a slag tapping belt conveyor 6.
Wherein, the front end face of the cutter head body 1 is provided with a hob 2 and a relieving tooth 5, and the middle part of the rear end face of the cutter head body 1 is connected with a driving unit of the tunnel boring machine.
The slag slide plate 5 is positioned at the rear end of the cutter head body 1 and is fixed on the front shield P, and the slag slide plate 5 is provided with an installation notch used for installing the slag-discharging belt conveyor 6 at the top of the slag slide plate 5.
The relieving 3 is installed on the blade disc body 1, and specifically, the relieving 3 is a plurality of. A plurality of groups of relieving teeth 3 can be arranged on the periphery of the cutter head body 1 according to the slag tapping requirement, and are used for shoveling slag materials cut by the hob 2 onto the material guide plate 4 from the bottom of the cutter head body 1, and the relieving teeth 3 can be replaced after being worn.
In a preferred embodiment, the tapping belt conveyor 6 is arranged on top of the drive unit. Correspondingly, the mounting notch is arranged at the top of the slag chute 5. The connect hopper of slagging tap belt feeder 6 stretches into the fluting of swift current slag board 5 for on transporting the slag charge of 2 cuts of hobbing cutter to slagging tap belt feeder 6, and then transport outside the hole.
The positions of the slag-out belt conveyor 6 and the installation gap are in one-to-one correspondence, and of course, the slag-out belt conveyor and the installation gap can be arranged on two sides of the driving unit or any other positions which are far away from the middle part in the circumferential direction. Slag tap belt feeder 6 sets up in the top of blade disc body 1, and the mode of slagging tap adopts the top mode of slagging tap promptly, and the drive unit is arranged at the middle part of blade disc body 1, makes minor diameter TBM structure space arrangement of slagging tap more reasonable, possesses sufficient operating space, has improved the space utilization of minor diameter TBM structure of slagging tap.
The number of the guide plates 4 is multiple, each guide plate 4 can be arranged above the receiving hopper from the cutter head body 1 to the slag discharge belt conveyor 6, and the shovel teeth 3 can conveniently convey slag materials to the receiving hopper from the bottom through the guide plates 4 in the rotating process of the cutter head body 1.
For better collection and discharge of slag charge, preferably, the guide plate 4 is a spiral guide plate in a spiral shape, and the spiral curved surface of the guide plate is more favorable for retaining the slag charge than a simple plane or a semi-tubular curved surface, so that the situation that the slag charge of the cutter head body 1 drops to the bottom of the cutter head body 1 from the guide plate 4 in the rotating process can be avoided, and the slag charge at the front part is easily transferred to the slag discharge belt conveyor 6 at the rear part of the cutter head body 1. The pitch can be calculated according to the slag tapping requirement and the rotating speed of the cutter head.
A small gap is arranged between the inner side of the material guide plate 4 and the slag chute 5, and a small gap is arranged between the outer side of the material guide plate 4 and the front shield P. And a reasonable and moderate gap is selected, so that the installation and matching can be ensured not to be influenced, and more slag materials can be prevented from leaking from the gap. The excavated slag soil is matched with the shovel teeth 3, the guide plate 4 and the slag sliding plate 5 to slide into the receiving hopper.
The material guide plates 4 are uniformly arranged along the circumferential direction of the cutter head body 1. In order to facilitate replacement after abrasion, the guide plate 4 and the relieving teeth 5 can be detachably arranged on the cutter head body 1.
The present case is connected with drive unit through cutterhead body 1 rear portion, and drive unit is fixed in on the anterior shield P, transmits the required thrust and the moment of torsion of 2 cuts of hobbing cutter to drive unit, and then transmits on the anterior shield P. The hob 2 is arranged in a tool apron of the cutter head body 1, and a plurality of hobs 2 are arranged on the cutter head according to the hob track and used for cutting rocks on a face, and the hobs can be replaced after being worn. The shovel teeth 3 are arranged on the cutter head body 1, a plurality of groups of shovel teeth can be arranged on the periphery of the cutter head according to the slag discharging requirement, and are used for shoveling slag materials cut by the hob 2 from the bottom of the cutter head onto the spiral material guide plate 4, and the shovel teeth can be replaced after being worn; the guide plate 4 is arranged on the cutter head body 1 and is designed into a spiral shape, the inner side of the guide plate 4 is in small clearance fit with the slag chute 5, the outer side of the guide plate 4 is in small clearance fit with the front shield P and is used for transferring slag materials shoveled by the shovel teeth 3 into a receiving hopper of a slag belt conveyor 6 at the rear part of the cutter head body 1, the thread pitch is calculated according to the slag requirement and the rotating speed of the cutter head, a plurality of groups can be arranged according to the slag requirement, and the spiral guide plate 4 can be designed to be detachable; the slag slide plate 5 is positioned at the rear part of the cutter head body 1 and fixed on the front shield P, the upper part of the dustproof slag slide plate 5 is provided with a groove for placing a receiving hopper of the slag belt conveyor 6, slag transported by the spiral guide plate 4 is transported to the receiving hopper of the belt conveyor through the dustproof slag slide plate 5, and meanwhile, the dustproof slag slide plate 5 also has a dustproof function and separates dust generated by cutting of the hob 2 at the front part of the front shield P; slag tap belt feeder 6 is fixed in drive unit's upper portion, and the belt feeder connects the hopper to stretch into to the installation breach of dustproof swift current sediment board 5 for on transporting the slag charge of 2 cuts of hobbing cutter to slag tap belt feeder 6, and then transport outside the hole.
The working principle of the structure is as follows with the combination of the attached drawings: thrust and torque required by cutting of the hob 2 are transmitted to the hob 2 through the cutter head body 1, a cutter ring of the hob 2 rotates to extrude rock on a face, so that the rock is crushed, and crushed slag falls to the front part of the cutter head under the action of gravity; the shovel teeth 3 are arranged on the periphery of the front part of the cutter head body 1, and shovel and convey the slag stones from the bottom of the cutter head body 1 to the material guide plate 4 under the rotation of the cutter head; 4 outsides of spiral stock guide and the little clearance fit of anterior shield P inner wall, inboard and 5 little clearance fits of dustproof swift current slag chute, under the blade disc is rotatory, transports 1 rear portion of blade disc body to the slag charge from 1 front portion of blade disc body, transports 1 upper portion of blade disc body by 1 bottom of blade disc body to fall to 6 hoppers of the belt feeder of slagging tap that are arranged in the installation breach on swift current slag chute 5, then transport outside the hole by 6 belt feeders of slagging tap.
The small-diameter TBM slag discharging structure is compact in structure and ingenious in design, and a plurality of groups of forming teeth 3 and material guide plates 4 can be designed on the cutter head, so that the slag discharging efficiency can be improved; the screw pitch of the spiral guide plate 4 can be designed according to the tunneling speed and the cutter head rotating speed, and can be replaced according to different tunneling speeds, so that the adaptability is better; the dustproof slag chute 5 has both slag chute function and dustproof function, simplifies the design and has high reliability; the slag-tapping belt conveyor 6 is arranged at the top, the middle position can be completely reserved for driving the cutter head, the driving power of the cutter head is improved, and the tunneling efficiency is improved; the shovel teeth 3 and the material guide plate 4 are designed to be of a replaceable structure, meet engineering requirements and provide operating space for cutter replacement of a cutter head.
Above-mentioned design compact structure, design benefit, it is efficient to slag tap, and stability is high, and it is convenient to dismantle, maintains simply, but the wide application is in minor diameter TBM's the structural design of slagging tap.
In addition, the application also discloses a tunnel boring machine, including foreshield P, drive unit and as disclosed in the embodiment above the minor diameter TBM structure of slagging tap. Therefore, the tunnel boring machine with the small-diameter TBM slag tapping structure also has all the technical effects, and the details are not repeated.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. A small-diameter TBM slag discharging structure is characterized by comprising a cutter head body (1), a hob (2), forming relieved teeth (3), a guide plate (4), a slag sliding plate (5) and a slag discharging belt conveyor (6),
the hob (2) and the relieving teeth (5) are arranged on the front end face of the cutter head body (1), and the middle of the rear end face of the cutter head body (1) is connected with a driving unit of a tunnel boring machine;
the slag chute (5) is positioned at the rear end of the cutter head body (1) and is fixed on the front shield (P), and the top of the slag chute (5) is provided with an installation notch for installing a slag-tapping belt conveyor (6);
the shovel teeth (3) are arranged on the cutter head body (1) and are used for shoveling slag materials cut by the hob (2) from the bottom of the cutter head body (1) onto the material guide plate (4).
2. The small-diameter TBM deslagging structure according to claim 1, wherein the deslagging belt conveyor (6) is fixed on the upper part of the driving unit, and a receiving hopper of the deslagging belt conveyor (6) extends into a slot of the slag chute (5) and is used for transferring slag materials cut by the hob (2) to the deslagging belt conveyor (6) and further to the outside of a hole.
3. The small diameter TBM tapping structure according to claim 1, characterised in that the tooth (3) is multiple.
4. The small-diameter TBM slag tapping structure according to claim 1, wherein the number of the guide plates (4) is multiple, and each guide plate (4) can rotate with the cutter head body (1) to a position above the receiving hopper of the slag tapping belt conveyor (6).
5. The small-diameter TBM deslagging structure of claim 1, wherein the guide plate (4) is a spiral guide plate with a spiral shape.
6. The small-diameter TBM deslagging structure of claim 1, wherein a gap is arranged between the inner side of the guide plate (4) and the slag chute (5), and a gap is arranged between the outer side of the guide plate (4) and the front shield (P).
7. The small-diameter TBM slag tapping structure according to the claim 1, wherein the guide plates (4) are uniformly arranged along the circumference of the cutterhead body (1).
8. The small-diameter TBM slag tapping structure according to claim 1, wherein the guide plate (4) and the relieving teeth (5) are detachably arranged on the cutter head body (1).
9. A tunnel boring machine comprising a foreshield (P), a drive unit and a small diameter TBM tapping arrangement according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906578.3A CN113417656A (en) | 2021-08-09 | 2021-08-09 | Minor diameter TBM structure and tunnel boring machine of slagging tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906578.3A CN113417656A (en) | 2021-08-09 | 2021-08-09 | Minor diameter TBM structure and tunnel boring machine of slagging tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113417656A true CN113417656A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110906578.3A Pending CN113417656A (en) | 2021-08-09 | 2021-08-09 | Minor diameter TBM structure and tunnel boring machine of slagging tap |
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| CN (1) | CN113417656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151098A (en) * | 2021-11-12 | 2022-03-08 | 中铁三局集团有限公司 | Tunnel boring machine auxiliary slag raking equipment capable of rapidly cleaning tunnel leftover slag |
| CN114352304A (en) * | 2022-01-12 | 2022-04-15 | 中国铁建重工集团股份有限公司 | Spherical cutter head |
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| CN202659244U (en) * | 2012-06-08 | 2013-01-09 | 秦皇岛天业通联重工股份有限公司 | Tunnel boring machine cutterhead |
| JP2013199822A (en) * | 2012-02-23 | 2013-10-03 | Nippon Civic Engineering Consultant Co Ltd | Tunnel boring machine |
| CN108571325A (en) * | 2018-05-16 | 2018-09-25 | 中铁工程装备集团有限公司 | A kind of shape of a hoof tunneling boring rock tunnel development machine and its construction method |
| CN209724346U (en) * | 2019-04-11 | 2019-12-03 | 中铁工程装备集团有限公司 | Mini-sized tunnelling machine |
| CN111485900A (en) * | 2019-01-29 | 2020-08-04 | 欧玉金 | Rock tunnel boring machine |
| CN111636889A (en) * | 2020-06-30 | 2020-09-08 | 中国铁建重工集团股份有限公司 | TBM cutter head structure and TBM |
| US20200370434A1 (en) * | 2017-07-31 | 2020-11-26 | Drilling Technical Servics (Pty) Ltd | Mobile underground tunnel borer arrangement |
| CN212406730U (en) * | 2020-06-30 | 2021-01-26 | 中国铁建重工集团股份有限公司 | TBM cutter head structure and TBM |
-
2021
- 2021-08-09 CN CN202110906578.3A patent/CN113417656A/en active Pending
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| GB1125308A (en) * | 1966-07-26 | 1968-08-28 | Tube Headings Ltd | Improvements in or relating to pipe-driving |
| GB1333011A (en) * | 1969-11-14 | 1973-10-10 | Knauf Westdeutsche Gips | Method of erecting a wall structure in a mine working |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151098A (en) * | 2021-11-12 | 2022-03-08 | 中铁三局集团有限公司 | Tunnel boring machine auxiliary slag raking equipment capable of rapidly cleaning tunnel leftover slag |
| CN114151098B (en) * | 2021-11-12 | 2023-12-05 | 中铁三局集团有限公司 | Auxiliary slag raking equipment of tunnel boring machine for rapidly cleaning slag stones at edges of tunnel |
| CN114352304A (en) * | 2022-01-12 | 2022-04-15 | 中国铁建重工集团股份有限公司 | Spherical cutter head |
| CN114352304B (en) * | 2022-01-12 | 2024-04-26 | 中国铁建重工集团股份有限公司 | Spherical cutter head |
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