CN110453543A - Track transportation rail system in " a hole two-shipper " TBM tunneling construction hole - Google Patents
Track transportation rail system in " a hole two-shipper " TBM tunneling construction hole Download PDFInfo
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- CN110453543A CN110453543A CN201910764504.3A CN201910764504A CN110453543A CN 110453543 A CN110453543 A CN 110453543A CN 201910764504 A CN201910764504 A CN 201910764504A CN 110453543 A CN110453543 A CN 110453543A
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 230000005641 tunneling Effects 0.000 title claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 65
- 230000017105 transposition Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000003137 locomotive effect Effects 0.000 claims description 14
- 230000032258 transport Effects 0.000 description 17
- 230000008439 repair process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses track transportation rail systems in " a hole two-shipper " TBM tunneling construction hole, it include: the first track, it is layed in the transposition section of main branch hole, two the second tracks, it is layed in upstream assembling hole section and downstream assembling hole section respectively, and hole section and downstream service hole section are serviced by upstream respectively and extend to upstream stepping hole section and downstream stepping hole section, two the second tracks are communicated with the first track;Two third tracks, it is arranged with corresponding second parallel track, and it is communicated with the first track, two the 4th tracks, be layed in respectively upstream originate hole section and downstream originate hole section in, and it is communicated with corresponding second track and third track, the present invention is made under " a hole two-shipper " mode by the way that a plurality of tracks are arranged, when two TBM are reversely tunneled, it can independently carry out that motor-driven allotment can also be carried out while material, personnel's transport, two TBM drivings of " a hole two-shipper " mode are realized, the resource of construction is integrated and optimized, construction efficiency is improved.
Description
[technical field]
The invention belongs to TBM rail transport fields, more particularly to rail travel rail in " a hole two-shipper " TBM tunneling construction hole
Road system.
[background technique]
Water-conveyance tunnel is an important component in reservoir engineering, is that reservoir construction is developed in massif in the process
A kind of institution system in similar tunnel, is also referred to as conveyance tunnel for water-conveyance tunnel under normal conditions.As one in reservoir engineering
The most key and important engineering component part, the construction quality and reservoir of the construction quality of water-conveyance tunnel to reservoir engineering
The performance of function has highly important influence, and therefore, the construction quality and reinforcement of water-conveyance tunnel are extremely important.
Tunneling boring hard rock mole (Full Face Rock Tunnel Boring Machine, hereinafter referred to as TBM),
TBM is that the large tunnel for the high mechanization and automation for integrating the technologies such as machinery, electronics, hydraulic, laser, control excavates
Lining cutting complete set of equipments is a kind of by the rotation of motor (or motor --- hydraulic motor) driving cutterhead, hydraulic cylinder propulsion, makes knife
Disk is adjacent to rock wall surface under certain thrust, by the cutter fractured rock being mounted on cutterhead, keeps tunnel cross-section primary
Molding large-scale engineering machinery.TBM construction has that high degree of automation, speed of application are fast, save manpower, safety economy, primary
Molding, is not influenced by outside climatic, and when excavation can control ground depression, and reduction must influence above ground structure, underwater underground
The advantages that construction does not influence traffic above-ground in water is the mechanical equipment that rock tunnel driving most has development potentiality.
Certain more than 510 kilometer of borderland water supply the second stage of the project water-conveyance tunnel overall length, TBM driving section accounts for the 80% of overall length, total to adopt
It is constructed with 20 TBM concentrating types.One of construction bid section, 43.847 kilometers of overall length, and TBM driving section is 41.115 kilometers,
TBM method engineering is all made of the only head tunneling construction of separate unit TBM in the prior art, and driving speed is low, because this engineering tunnel length is spent
It is long, it is tunneled according to the only head of separate unit TBM, will be unable to meet the needs such as ventilation, transport, because of the transport rail in existing construction hole
Road can only meet a direction and carry out transported material and personnel.
[summary of the invention]
The object of the present invention is to provide track transportation rail systems in " a hole two-shipper " TBM tunneling construction hole, existing to solve
Some TBM conveying track systems are unable to satisfy the problem of Construction Mode of " a hole two-shipper ".
The invention adopts the following technical scheme: track transportation rail system in " a hole two-shipper " TBM tunneling construction hole, packet
It includes:
First track is layed in the transposition section of main branch hole,
Two the second tracks are layed in upstream assembling hole section and downstream assembling hole section respectively, and are taken respectively by upstream
Business hole section and downstream service hole section extend to upstream stepping hole section and downstream stepping hole section, two the second tracks with the first track
It communicates;
Two third tracks are arranged with corresponding second parallel track, and communicate with the first track,
Two the 4th tracks, be layed in respectively upstream originate hole section and downstream originate hole section in, and with corresponding second rail
Road and third track communicate,
Wherein, the first track, the second track, third track and the 4th track are used to locomotive and carry out transported material on it
And personnel, the first track is also used to be connected to upstream assembling hole section and downstream assembling hole section, so that when particular time and locomotive anxiety
Phase can carry out the fast deployment of train.
Further, upstream stepping hole section and downstream stepping hole section in the second track and third track intersect and set
It sets.
Further, it is also provided with and communicated with the 5th track on the second track or third track in the section of upstream service hole, the
Five tracks are for locomotive driving to working pit.
The beneficial effects of the present invention are: being made under " a hole two-shipper " mode by the way that a plurality of tracks are arranged, two TBM are reversed
When driving, it can independently carry out that motor-driven allotment can also be carried out while material, personnel's transport, realize " a hole two-shipper " mode
Two TBM drivings, are integrated and are optimized to the resource of construction, improve construction efficiency, and the TBM construction fortune of a hole two-shipper is formd
Defeated mode, with meet two TBM simultaneously, high efficient driving construction needs.
[Detailed description of the invention]
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the layout drawing of the main hole upstream of the present invention;
Fig. 3 is the layout drawing in the main hole downstream of the present invention.
Wherein: 1. main branch hole transposition sections;2. upstream assembles hole section;3. downstream assembles hole section;4. upstream stepping hole section;Under 5.
Swim stepping hole section;6. section is tunneled in the main hole in upstream upstream;7. the first track;8. the second track;9. third track;10. the 4th track;
11. the 5th track;12. upstream originates hole section;13. upstream services hole section;14. downstream service hole section;15. downstream originates hole section;
16. section is tunneled in the main hole in downstream.
[specific embodiment]
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The invention discloses track transportation rail systems in " a hole two-shipper " TBM tunneling construction hole, as shown in Figure 1, entirely
Construction hole successively originates hole section 12, upstream stepping hole section 4, upstream service hole section by the main hole driving section 6 in upstream, upstream from left to right
13, upstream assembling hole section 2, main branch hole transposition section 1, downstream assembling hole section 3, downstream service hole section 14, downstream stepping hole section 5, under
Trip originates hole section 15 and the main hole in downstream driving section 16 forms, wherein main branch hole transposition section 1 be for haulage vehicle from branch hole into
The region in hole is become owner of, it is for haulage vehicle to be transported to all parts for carrying out TBM that upstream, which assembles hole section 2 and downstream assembling hole section 3,
The region of assembling TBM can not directly be conveyed into from branch hole because TBM is very huge and become owner of hole, therefore can only be by its all parts
Be conveyed into become owner of hole after assembled, upstream stepping hole section 4 and downstream stepping hole section 5 are portions for being completed
The TBM divided is pushed ahead, so that staff assembles the tail portion of TBM, the main hole driving of the main hole driving section 6 in upstream and downstream
Section 16 is the region for carrying out excavating construction for TBM, and upstream originates hole section 12 and to originate hole section 15 be to start to begin for TBM in downstream
Excavate into region, it 14 is for arranging belt feeder and storage material that upstream, which services hole section 13 and downstream service hole section,.
It is the only head tunneling construction of separate unit TBM in the prior art in TBM method construction work, and solely head Excavation Length is more
Number is within 20km, and after only head Excavation Length is more than 20km, because of the increase of transportation range, construction efficiency will drop significantly
Low, certain more than 510 kilometer of borderland water supply the second stage of the project water-conveyance tunnel overall length, TBM driving section accounts for the 80% of overall length, amounts to and uses 20
The construction of TBM concentrating type, one of construction bid section, 43.847 kilometers of overall length, it is 41.115 kilometers that TBM, which tunnels section, such as uses one
Platform TBM will be unable to satisfaction construction needs and therefore be designed as the Construction Mode of " a hole two-shipper ", i.e., carries out in a construction hole
It assembled while two TBM, originate and reversely tunnel, with lifting construction efficiency;And when separate unit TBM construction, assemble the rail in hole
Transport path arrangement has not been suitable for " a hole two-shipper " mode, while considering the needs of construction cost, can not transport according to two sets
Defeated system carries out the configuration of transportation system under " a hole two-shipper " mode, therefore present application addresses this problem.It is more by being arranged
Track makes two TBM in reversed driving, can meet the transport needs of both direction simultaneously, improve Advance rate,
Realize the construction Transportation Model of a hole two-shipper, with meet two TBM simultaneously, high efficient driving construction needs.For convenient for a hole
Two-shipper construction organization model, the efficient operation of transportation system need to optimize rail mounted transport system in traditional hole, fortune
The general principle of design of defeated path be upstream and downstream it is mutually indepedent, again can be with resource-sharing.
The invention discloses track transportation rail systems in " a hole two-shipper " TBM tunneling construction hole, as shown in Figures 2 and 3,
Including the first track 7, two the second tracks, 8, the two third tracks 9 being layed in main branch hole transposition section 1 and two the 4th rails
Road 10, these track layings in construction hole can independently carry out that motor-driven tune can also be carried out while material, personnel's transport
Match, realizes two TBM tunneling construction modes of " a hole two-shipper " mode.
Two the second tracks 8 are layed in upstream assembling hole section 2 and downstream assembling hole section 3, two the second track 8 difference respectively
Hole section 13 is serviced by upstream and downstream service hole section 14 extends to upstream stepping hole section 4 and downstream stepping hole section 5, the second track
8 communicate with corresponding first track 7.Two the second tracks 8 are interconnected by the first track 7, facilitate particular time and
Locomotive stressful times can carry out the fast deployment of train.
Third track 9 is arranged in parallel with the second track 8, and third track 9 is communicated with corresponding first track 7, third rail
Road 9 is layed in upstream assembling hole section 2 and downstream assembling hole section 3 respectively, and third track 9 services hole section 13 under by upstream respectively
Trip service hole section 14 extends to upstream stepping hole section 4 and downstream stepping hole section 5, by the first track 7 by two 9 phases of third track
It is intercommunicated, facilitate particular time and locomotive stressful times that can carry out the fast deployment of train.
Two the 4th tracks 10 be layed in respectively upstream originate hole section 12 and downstream originate hole section 15 in, two the 4th tracks
10 corresponding the second tracks 8 and third track 9 communicate, and two the 4th tracks 10 are originated in upstream respectively for two TBM
Hole section 12 and downstream originate hole section 15 and start to originate driving.
Engineering enters branch hole transposition section 1 based on main hole from branch hole, and it is single line that main branch hole transposition section 1, which transports path, will be upper and lower
Trip path be connected to, by after main branch hole transposition section 1 to upstream and downstream direction be respectively upstream assemble hole section 2 and downstream assemble hole
Section 3, into after upstream assembling hole section 2 and downstream assembling hole section 3, path becomes two-wire from single line, convenient for the respective region of upstream and downstream
Interior locomotive meeting, stop, lifting, transport etc..It is corresponding to enter upstream after assembling hole section 2 and downstream assembling hole section 3 by upstream
Hole section 13 and downstream service hole section 14 are serviced, corresponds to upstream stepping after servicing hole section 13 and downstream service hole section 14 by upstream
Hole section 4 and downstream stepping hole section 5, upstream stepping hole section 4 and downstream stepping hole section 5 remain as two-wire design, convenient for locomotive in sky
The storage of idle phase, in upstream stepping hole, section 4 and downstream stepping hole 5 tail end double-track lines of section become single track line, corresponding later to enter
Upstream originate hole section 12 and downstream originate hole section 15, by upstream originate hole section 12 and downstream originate hole section 15 after be upstream master
Hole tunnels the main hole of section 6 and downstream and tunnels section 16, tunnels the main hole of section 6 and downstream by the main hole in upstream and tunnels the arrival TBM equipment of section 16
And face.
Upstream stepping hole section 4 and the second track 8 in downstream stepping hole section 5 and third track 9 intersect setting, upstream
Stepping hole section 4 and the double forks that clear the way of 5 design of downstream stepping hole section intersect the second track 8 and third track 9 setting, just
Giving another the right of way and storing in different marshalings.
The 5th track 11, the 5th rail are also provided with and communicated on the second track 8 or third track 9 in upstream service hole section 13
Road 11 needs to repair to working pit for locomotive driving since transport vehicle is easy to appear failure during transportation, therefore
The 5th track 11 of connection setting on second track 8 or third track 9, convenient transportation vehicle are travelled from the 5th track 11 to repairing ground
Ditch, and place under repair in working pit.
During normal construction, upstream and downstream rail mounted transport system independent operating undertakes the material in upstream and downstream region respectively, sets
Standby, personnel transports, do not interfere with each other, and upstream and downstream path carries out connection design in main branch hole transposition section 1, in particular time
And locomotive stressful times can carry out the fast deployment of train, realize the intercommunication of Locomotive Resource, to meet the people of upstream and downstream two sides
The transport of member, material, equipment need, and guarantee the normal construction driving of TBM.In addition, additionally increasing by one in upstream equipment service hole
Path, i.e. the 5th track 11, and the trench that repairs is excavated downwards in the terminal of path, path extends to above trench, In
Locomotive can be run when breaking down to the trench that repairs, and be placed under repair.
The present invention can be used for using under " a hole two-shipper " mode two diameters for the open type TBM tunneling construction of 7.03m
Rail mounted transport system, as its name suggests, exactly two TBM are transported by a branch hole to assembling hole, at same group a hole two-shipper
The common assembling for carrying out two TBM in hole is filled, rear two TBM are completed while originating and reversely tunneling;And transport of constructing is made
For the important link of TBM construction, there is vital effect to smooth, the high efficient driving of TBM.Therefore, through the invention
The construction transport that conveying track system can satisfy a hole two-shipper requires, while realizing the allocation optimum of transportation system's resource,
With meet two TBM simultaneously, high efficient driving construction needs.
Claims (3)
- Track transportation rail system in " 1. a hole two-shipper " TBM tunneling construction hole characterized by comprisingFirst track (7) is layed in main branch hole transposition section (1),Two the second tracks (8) are layed in respectively in upstream assembling hole section (2) and downstream assembling hole section (3), and respectively by upper Trip service hole section (13) and downstream service hole section (14) extend to upstream stepping hole section (4) and downstream stepping hole section (5), two institutes The second track (8) is stated to communicate with first track (7);Two third tracks (9) are arranged in parallel with corresponding second track (8), and with the first track (7) phase It is logical,Two the 4th tracks (10), are layed in that upstream originates hole section (12) and to originate hole section (15) interior in downstream respectively, and with it is corresponding Second track (8) and third track (9) communicate,Wherein, first track (7), the second track (8), third track (9) and the 4th track (10) are used to locomotive at it Upper progress transported material and personnel, first track (7) are also used to be connected to upstream assembling hole section (2) and downstream assembling hole section (3), particular time and locomotive stressful times is allowed to carry out the fast deployment of train.
- 2. track transportation rail system in " a hole two-shipper " TBM tunneling construction hole according to claim 1, feature exist In in, upstream stepping hole section (4) and downstream stepping hole section (5) the second track (8) and third track (9) intersect and set It sets.
- 3. track transportation rail system in " a hole two-shipper " TBM tunneling construction hole according to claim 2, feature exist In the upstream services and is also provided with and communicated with the 5th track on the second track (8) or third track (9) in hole section (13) (11), the 5th track (11) is for locomotive driving to working pit.
Priority Applications (1)
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CN201910764504.3A CN110453543A (en) | 2019-08-19 | 2019-08-19 | Track transportation rail system in " a hole two-shipper " TBM tunneling construction hole |
Applications Claiming Priority (1)
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CN201910764504.3A CN110453543A (en) | 2019-08-19 | 2019-08-19 | Track transportation rail system in " a hole two-shipper " TBM tunneling construction hole |
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CN201910764504.3A Pending CN110453543A (en) | 2019-08-19 | 2019-08-19 | Track transportation rail system in " a hole two-shipper " TBM tunneling construction hole |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112796761A (en) * | 2021-01-27 | 2021-05-14 | 兖州中材建设有限公司 | Slope lifting and crushing system for deep open pit |
CN114233309A (en) * | 2021-12-17 | 2022-03-25 | 新疆额尔齐斯河流域开发工程建设管理局 | TBM construction method for one-tunnel double-machine in ultra-long-distance tunnel |
CN115094845A (en) * | 2022-05-21 | 2022-09-23 | 徐康瑞 | Pumped storage chamber suitable for TBM construction and construction method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008163566A (en) * | 2006-12-27 | 2008-07-17 | Kajima Corp | Mine work facility behind shield machine |
CN205154178U (en) * | 2015-10-30 | 2016-04-13 | 中铁隧道股份有限公司 | Small cross section long tunnel conveyor system |
CN208594945U (en) * | 2018-06-22 | 2019-03-12 | 王志英 | A kind of subway shield tunnel construction feeding device |
CN109538220A (en) * | 2018-09-30 | 2019-03-29 | 中铁二局集团有限公司 | A method of it transports and stores for double-shielded TBM tunnel track |
CN109723450A (en) * | 2019-02-26 | 2019-05-07 | 重庆交通建设(集团)有限责任公司 | A kind of combined type TBM set of tunneling construction method |
-
2019
- 2019-08-19 CN CN201910764504.3A patent/CN110453543A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008163566A (en) * | 2006-12-27 | 2008-07-17 | Kajima Corp | Mine work facility behind shield machine |
CN205154178U (en) * | 2015-10-30 | 2016-04-13 | 中铁隧道股份有限公司 | Small cross section long tunnel conveyor system |
CN208594945U (en) * | 2018-06-22 | 2019-03-12 | 王志英 | A kind of subway shield tunnel construction feeding device |
CN109538220A (en) * | 2018-09-30 | 2019-03-29 | 中铁二局集团有限公司 | A method of it transports and stores for double-shielded TBM tunnel track |
CN109723450A (en) * | 2019-02-26 | 2019-05-07 | 重庆交通建设(集团)有限责任公司 | A kind of combined type TBM set of tunneling construction method |
Non-Patent Citations (1)
Title |
---|
杨光: ""一洞双机"TBM 组装洞结构形式优化分析与探讨", 《隧道建设(中英文)》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112796761A (en) * | 2021-01-27 | 2021-05-14 | 兖州中材建设有限公司 | Slope lifting and crushing system for deep open pit |
CN114233309A (en) * | 2021-12-17 | 2022-03-25 | 新疆额尔齐斯河流域开发工程建设管理局 | TBM construction method for one-tunnel double-machine in ultra-long-distance tunnel |
CN114233309B (en) * | 2021-12-17 | 2023-11-03 | 新疆额尔齐斯河流域开发工程建设管理局 | TBM construction method for one-hole double-machine in ultra-long-distance tunnel |
CN115094845A (en) * | 2022-05-21 | 2022-09-23 | 徐康瑞 | Pumped storage chamber suitable for TBM construction and construction method |
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