CN105000477A - Hoisting device and transferring method for open type TBM transferring - Google Patents
Hoisting device and transferring method for open type TBM transferring Download PDFInfo
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- CN105000477A CN105000477A CN201510476407.6A CN201510476407A CN105000477A CN 105000477 A CN105000477 A CN 105000477A CN 201510476407 A CN201510476407 A CN 201510476407A CN 105000477 A CN105000477 A CN 105000477A
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- tbm
- steel
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- transition
- stepping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- Machines For Laying And Maintaining Railways (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device for open type TBM transferring. The hoisting device comprises a hoisting beam arranged on a vehicle body, and hoisting mechanisms are symmetrically arranged on the hoisting beam in a left and right mode. By using the hoisting device, a method for the open type TBM transferring is conducted. The hoisting device comprises rear matching walking mechanisms connected with a TBM main machine stepping mechanism, each rear matching walking mechanism comprises a wheel set arranged under the corresponding rear matching walking mechanism and two railways matched with the wheel set, each railway is formed by connecting of multiple steel rails, each steel rail is fixed to multiple steel ties, each middle walking railway used for being passed by the vehicle body is arranged between two railways, after rear matching stepping is conducted, one steel rail and multiple steel ties connected with the steel rail are integrally hoisted by the hoisting device, locomotive traction is carried out on the vehicle body, then the vehicle body is walked in front of the wheel sets along the middle walking railways, the steel rail and the steel ties are integrally placed, and the railways are extended forwards. According to the hoisting device and a transferring method, processes of steel rail and steel tie disassembling and assembling are omitted, the consuming time in the stepping process is greatly shortened, and the TBM transferring speed is increased.
Description
Technical field
The present invention relates to a kind of Open TBM handling appliance, the invention still further relates to and utilize this handling that the method for carrying out Open TBM transition is set.
Background technology
Many large-scale capital constructions need to build a large amount of tunnels, because tunnel boring works scale is large, complex geologic conditions, engineering construction speed, environmental protection, quality and benefits require high, therefore, traditional drill bursting construction technology has been difficult to adapt to this difficult challenge.In Ultra long tunnel project, adopt preceence that TBM constructs clearly, but owing to being subject to many-sided conditionality, the driving that TBM unit completes 20km is continuously very difficult, facts have proved that arranging mid-construction adit at each TBM construction section is best solution, not only be convenient to carry out TBM maintenance, excavated advance can be guaranteed, shorten power, ventilate, distance of slagging tap, reduce investment outlay, and completed driving section can the lining cutting of leading second coagulation soil, both construction quality can be ensured, again can the reduction of erection time.But, mid-construction adit is set, has caused the transition problem of TBM in work progress.If transition is apart from long, TBM stepping efficiency will become the key of restriction transition duration.Due to TBM stepping steel plate and rear supporting wheel height inconsistent, rear supporting wheel than high bottom cutter head support, along with TBM stepping, need rear supporting by place lay track, track is fixed on steel sleeper.For cost-saving, reduce the consumption of rail, steel sleeper, stepping steel sleeper, rail recycle, namely supporting step through an one steel rail after, rail of square steel after TBM, steel sleeper dismounting are had bad luck and are laid to connecting bridge first wheels, orbital cycle is extended forward.
When having bad luck rail and steel sleeper, walking track in the middle of laying between two tracks, for locomotive walking, be positioned on car body by the rail of dismounting and steel sleeper, locomotive traction car body is installed before rail and steel sleeper being transported to first, front wheels by middle walking track.Because the dismounting of rail, steel sleeper, transhipment and installation are very consuming time, therefore, cause TBM transition speed slowly, had a strong impact on the progress of engineering.
Summary of the invention
The object of the present invention is to provide a kind of Open TBM transition overhead hoist, solve the slow-footed problem of transition that prior art exists.
Second object of the present invention is to provide the method utilizing overhead hoist to carry out Open TBM transition.
The object of the present invention is achieved like this, and a kind of Open TBM transition overhead hoist, comprises the hanging beam be arranged on car body, and on hanging beam, left and right is arranged with hoisting mechanism.The rail on both sides and steel sleeper entirety can be sling by symmetrically arranged hoisting mechanism simultaneously, and have bad luck front entirety by locomotive and lay, and orbital cycle is extended forward, thus make connecting bridge and rear supporting with the stepping of TBM host synchronization.
Because an one steel rail is connected with tens steel sleepers, overall weight is very heavy, and in order to ensure safety and the stability of handling, hanging beam is two width and front and back are arranged on car body.During work, the side of front and back hanging beam is connected respectively by the front and back end of suspender belt with side rail, by guide chain and pulley simultaneously by both sides rail and steel sleeper Integral lifting on car body, had bad luck by locomotive traction car body and carry out integral installation to front, track is continued forward.
In order to simple and reasonable for structure, hanging beam comprises support and is arranged on the crossbeam on support, and hoisting mechanism is symmetricly set on the two ends of crossbeam.
Hoisting mechanism comprises the pulley be arranged on crossbeam, and pulley is connected with guide chain, and guide chain is provided with suspender belt.
For the ease of operation, above-mentioned hanging beam is fixed on car body by rotating shaft, and rotating shaft comprises cutter hub and cutter shaft, and one end of cutter shaft is fixed on car body, and cutter shaft is connected with cutter hub by bearing, and hanging beam is fixed on cutter hub.During operation, hanging beam can be made to rotate by rotating shaft, convenient operation personnel as early as possible by rail and steel sleeper handling on car body.
Above-mentioned overhead hoist is utilized to carry out the method for Open TBM transition, comprise rear supporting traveling gear, rear supporting traveling gear comprise rear supporting below wheels and two tracks with its adaptation, every bar track is formed by connecting by several rail, every one steel rail correspondence is fixed on several steel sleepers, article two, be provided with for walking track in the middle of car body walking between track, overhead hoist on car body by rear supporting step through after a rail and several steel sleeper entirety being fixedly connected with it sling, car body walks track travel to wheels front through locomotive traction along centre, this rail and steel sleeper entirety being placed makes track extend forward, circulation like this.Supporting with the stepping of TBM host synchronization after ensureing.
Because cutterhead maintenance task is heavier, in order to reduce transition times further, accelerating transition speed, in TBM transition process, synchronously the cutterhead of TBM main frame being overhauled.
Carrying out maintenance to the cutterhead of TBM main frame is carry out on cutterhead inspection platform, and cutterhead inspection platform comprises the girder steel be fixed on cutterhead and the pedal be erected on girder steel, is connected between girder steel by dowel.
The present invention has following beneficial effect:
1, rail and connected steel sleeper entirety can be sling by overhead hoist of the present invention, and have bad luck the entirety laying of wheels front by locomotive traction, track is extended forward, has increased substantially TBM transition speed, accelerated engineering progress.
2, overhead hoist structure of the present invention is simple, is easy to realize, and available discarded cutter hub and cutter shaft, cost is low.
3, Open TBM steering method of the present invention eliminates dismounting rail and steel sleeper and installs the process of rail and steel sleeper, drastically reduce the area in stepping process consuming time, improve TBM transition speed, accelerate engineering progress.
Accompanying drawing explanation
Fig. 1 is Open TBM transition overhead hoist structural representation of the present invention;
Fig. 2 is the rear supporting traveling gear schematic diagram in Open TBM steering method of the present invention;
Fig. 3 is TBM main frame stepping mechanism schematic diagram in the embodiment of the present invention;
Fig. 4 is steel sleeper structural representation of the present invention;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is Open TBM transition overhead hoist integral lifting rail of the present invention and steel sleeper schematic diagram;
Fig. 7 is supporting traveling gear and middle walking track schematic diagram after the present invention;
Fig. 8 is middle walking track structure schematic diagram of the present invention;
Fig. 9 is the overall rail of the secondary hanging beam handling in front and back two and steel sleeper schematic diagrams in Open TBM transition overhead hoist of the present invention;
Figure 10 is endless-walk diagram of circuit in the embodiment of the present invention;
Figure 11 is cutterhead inspection platform schematic diagram in the embodiment of the present invention;
Figure 12 is Figure 11 lateral plan.
In figure, 1. car body, 2. hoisting mechanism, 3. pulley, 4. guide chain, 5. suspender belt, 6. support, 7. crossbeam, walking track 8., supporting traveling gear 9., 10. wheels, 11. rail, 12. steel sleepers, 13.TBM main frame, 14. cutterheads, 15. steel plates, 16. slide plates, 17. headstocks, 18. propelling cylinders, 19. pipe links, 20. bracing frames, 21. rear supports, 22. girder steels, 23. pedals, 24. dowels, 25. track pull bars, 26. rotating shafts.
Detailed description of the invention
Below by specific embodiments and the drawings, technical solution of the present invention is described in further detail.
embodiment 1, a kind of Open TBM transition overhead hoist, see Fig. 1, comprises the hanging beam be arranged on car body 1, and on hanging beam, left and right is arranged with hoisting mechanism 2.
Further, hanging beam is that two secondary and front and back are arranged on car body 1.
Further, the crossbeam 7 that hanging beam comprises support 6 and arranges on the frame 6, hoisting mechanism 2 is symmetricly set on the two ends of crossbeam 7.
Further, hoisting mechanism 1 comprises the pulley 3 be arranged on crossbeam 7, and pulley 3 is connected with guide chain 4, and guide chain 4 is provided with suspender belt 5.
Further, hanging beam is arranged on car body 1 by rotating shaft 26, and rotating shaft 26 comprises cutter hub and cutter shaft, and one end of cutter shaft is weldingly fixed on car body 1, and cutter shaft is connected with cutter hub by bearing, and hanging beam is installed on cutter hub.
Above-mentioned overhead hoist is utilized to carry out the method for Open TBM transition, see Fig. 2, comprise the rear supporting traveling gear 9 be connected with TBM main frame 13 stepping mechanism, rear supporting traveling gear 9 comprise rear supporting below wheels 10 and two tracks with its adaptation, every bar track is formed by connecting by several rail 11, every one steel rail 11 is fixed on 18 steel sleepers 12, article two, between track, be provided with the middle walking track 8 of walking for car body 1, a rear supporting rail 11 by afterwards and 18 steel sleeper 12 entirety being fixedly connected with it are sling by overhead hoist, locomotive traction car body 1 is walked along centre walking track 8 and is arrived wheels 10 front, this rail 11 and steel sleeper 12 entirety are placed, track is extended forward, circulation like this, supporting with TBM main frame stepping mechanism synchronizing moving after ensureing.
See Fig. 3, TBM main frame stepping mechanism primarily of steel plate 15, slide plate 16, the compositions such as elevating ram (not shown in FIG.), pipe link 19, horizontal propelling cylinder 18, bracing frame 20 and rear support 21.During 13 stepping of TBM main frame, the horizontal propelling cylinder 18 of main dependence promotes TBM main frame 13(and comprises headstock 17 and cutterhead 14) on steel plate 15, cliding friction advances.The limited length of steel plate 15, needs after each stepping stroke terminates, and is lifted by TBM main frame 13 by under the elevating ram at cutterhead 14 position and the combined action of rear support 21, so that steel plate 15 can drag forward along slide plate 16 by propelling cylinder 18.Circulation like this, TBM constantly moves forward.
embodiment 2, Open TBM transition overhead hoist of the present invention and steering method, for Northwest Liaoning water supply project main body water diversion tunnel project, its main tunnel total length 29365m, adopt drilling and blasting method+Open TBM construction, wherein TBM construction section excavation length 10056m, excavated section is 8.53m.Former design TBM6-1 section has tunneled rear transition to maintenance cavern, 13# hole, and namely stepping 180m enters TBM6-2 section tunneling construction subsequently.Due to the admission delay of TBM equipment, for ensureing Planning of construction periods, owner requires that propping up hole upstream and downstream at 13# uses drill bursting construction to scoop out, TBM step distance is caused to be increased to 4432m, be the engineering that in the transition of TBM construction completely, step distance is the longest, difficulty is maximum, the duration is the tightest, the speed of transition speed directly has influence on duration and economic benefit.
Due to TBM stepping steel plate and rear supporting wheel height inconsistent, rear supporting wheel, than the cutterhead 14 support base height 997mm of TBM, along with TBM stepping, need lay track at the rear supporting place that passes through, this track comprises rail 11 and steel sleeper 12, and rail 11 is fixed on steel sleeper 12.For cost-saving, reduce the consumption of rail 11, steel sleeper 12, stepping steel sleeper 12, rail 11 recycle, namely supporting step through an one steel rail 11 after, rail of square steel after TBM 11, steel sleeper 12 dismounting are had bad luck and are laid to wheels 10.After TBM, the rail 11 of supporting traveling gear is laid on stepping section steel sleeper 12, adjacent 2 the steel sleeper 12 spacing 70cm in front and back, connect with 10# channel-section steel between steel sleeper 12, then M22*70 bolt is adopted to be fixed on steel sleeper 12 by pressing plate by firm for 43kg rail 11, interior rail spacing is 2840mm, inside every bar track with tunnel center line distance from being 1420mm.The middle walking track 8 that middle two tracks are formed is laid immediately on steel plate, and travel for locomotive traction car body 1, entirety has bad luck rail 11 and connected steel sleeper 12.Site operation rail 11 and the concrete laying form of steel sleeper 12 are as shown in Figure 2.
The quantity of steel sleeper 12 calculates: supportingly all to pass through to rear according to from rear support 21, length is about 135m, and one-sided rail 11 quantity 135/12.5 is about 11, adds the rail 2 fallen for circulation, and total needs rail (11+2) * 2=26 root; Adjacent two steel sleeper 12 spacing are set to 70cm, and the quantity that every one steel rail can install steel sleeper 12 for 11 times is 18.Consider that circulation is had bad luck with for subsequent use, need increase by 52, the quantity of steel sleeper 12 is 26*18+52=520.Steel sleeper 12 concrete structure is see Fig. 4 and Fig. 5.
During TBM stepping, the stepping mechanism stepping that TBM main frame 13 utilizes self supporting, see Fig. 3, TBM main frame 13 stepping mechanism primarily of steel plate 15, slide plate 16, the compositions such as elevating ram (not shown in FIG.), pipe link 19, horizontal propelling cylinder 18, bracing frame 20 and rear support 21.
Before stepping, reinforce welding bracing frame 20 crossbeam with triangle gusset, and reinforce stepping mechanism pull bar; In stepping process, emphasis checks main stress crossbeam, and lasting butt welded seam welds, and notes abnormalities to shut down in time and reinforces.
Camp site there is no stepping mechanism spare part, needs to carry out purchase deposit, as main stress crossbeam, elevating ram etc. to fragile parts.
TBM development machine is when stepping operation, and see Fig. 3, the horizontal propelling cylinder 18 of main dependence promotes TBM main frame 13 cliding friction on steel plate 15 and advances.The limited length of steel plate 15, needs after each stepping stroke terminates, and is lifted by TBM main frame 13, so that steel plate 15 drags forward along slide plate 16 by propelling cylinder 18 by under the elevating ram at cutterhead 14 position and the combined action of rear support 21.Circulation like this, TBM just constantly moves forward.
During operation, when horizontal propelling cylinder 18 is regained completely, successively reclaim elevating ram, rear support 21, determine elevating ram base, after rear support 21 departs from ground 1 ~ 2cm, stretch out horizontal propelling cylinder 18, in progradation, elevating ram knob remains on and reclaims position, cutterhead 14 slowly forward slip; After cutterhead 14 slides arrival stepping steel plate 15 mark position, stretch out elevating ram, guarantee that cutterhead 14 supports and leave steel plate 15 cambered surface, fall rear support 21, determine that bracing frame 20 departs from ground 1 ~ 2cm completely, recovery levels propelling cylinder 18, bracing frame 20 and steel plate 15 move forward simultaneously.Propelling cylinder 18 completes 1 step cycle after regaining and putting in place.Single endless-walk flow process is see Figure 10.
See Fig. 6, Fig. 7 and Fig. 8, TBM stepping section, locomotive traction car body 1 walk in the middle of walking track 8 be laid on tunnel floor, interior gauge is 900mm, is 450mm with tunnel distance between center line inside walking track 8 in the middle of every root.For the time had bad luck by saving rail 11 and steel sleeper 12, improve stepping efficiency, in the middle of will laying in advance, walking track 8 is placed on TBM stepping section, longitudinally put along hole wall, during TBM stepping, track 8 of being walked centre is drawn to middle paving location by both sides, after determining installation site, adopt the perforating of 18*350mm reciprocating drill, load M16*150 expansion bolt, often pair of expansion bolt is symmetrical in track, the often couple of expansion bolt spacing 70cm ~ 80cm in front and back, then the fixing middle walking track 8 of little pressing plate is installed, often organize between track and do lacing wire (spacing is 3m) with Φ 22 screw-thread steel, use 2 cover track pull bars 25 simultaneously, often overlap track pull bar 25 to install apart from fish plate 1m place, guarantee that rail connection, front and back does not have faulting of slab ends when fish plate is installed.
In the present embodiment, Open TBM transition by overhead hoist structure with embodiment 1, utilize discarded cutter hub and cutter shaft as rotating shaft 26, be welded on car body 1, use the support 6 of former and later two hanging beams of HW150 section steel manufacture again, support 6 is welded on cutter hub, and each hanging beam installs two pulleys 3 in left and right and guide chain 4.See Fig. 9, step through after an one steel rail 11 until TBM, car body 1 is stopped between two the relative rail 11 that will dismantle, former and later two pulleys 3 of the same side to be slided to simultaneously outside shaped steel above rail 11, rail 11 and steel sleeper 12 are entangled with suspender belt 5, be suspended on hanging beam by guide chain 4 by rail 11 and steel sleeper 12 integral hoisting, both sides rail 11 and steel sleeper 12 are all hung well, have bad luck simultaneously and need to lay track place to front, overall unloading is also installed.
Find by analyzing, the laying of centre walking track does not affect material and has bad luck and stepping efficiency, and the rail 11 of rear supporting traveling gear and steel sleeper 12 are laid stepping rate impact comparatively large, and steel sleeper 12 is dismantled, transport, install general needs 135 minutes.During actual stepping, complete a circulation by stepping in every ten minutes, often circulation 1.6m calculates, and steps through an one steel rail 11(12.5m) need 78 minutes.Prior art adopts rail 11, steel sleeper 12 separation type paving mode, if arrange 12 general work operations, rail 11, steel sleeper 12 dismantle needs 60 minutes, steel sleeper 12, rail 11 have bad luck needs 20 minutes, steel sleeper 11, rail 12 install needs 60 minutes, visible, TBM stepping efficiency is seriously subject to the restriction of supporting steel sleeper 12, rail 11 extension speed.
According to field investigation, count rail 11 and steel sleeper 12 integral hoisting each requirements of process time.Following table is supporting track integral hoisting mode efficiency comparative after existing rear supporting rail transfer mode and the present invention.
The contrast of being had bad luck mode by two kinds can be found out, adopts rail 11 of the present invention and steel sleeper 12 integral demounting only to need 10 minutes, transhipment needs 20 minutes, integral hoisting needs 15 minutes, general work 4 people, the laying time is be separated lifting about 1/2, and personnel only account for and are separated 1/3 of lifting.Adopt the method for rail and steel sleeper integral hoisting, not only can meet the needs of stepping, TBM is made to remain at step state, and greatly reduce the human and material resources of input, optimize the program of stepping, relieve the restriction of track laying to stepping efficiency, greatly improve stepping efficiency, shorten the duration.
Because cutterhead maintenance task is heavier, during TBM stepping, the present invention adopts and synchronously carries out cutterhead service work.After through, made cutterhead inspection platform before cutterhead, see Figure 11, Figure 12, cutterhead inspection platform comprises the girder steel 22 be fixed on cutterhead 14 and the pedal 23 be erected on girder steel 22, is connected between girder steel 22 by dowel 24.In the present embodiment, girder steel 22 adopts channel-section steel, and pedal 23 adopts plank.
Cutterhead inspection platform is used for service personnel and overhauls, and it leaves Work tool parking space, after cutterhead has overhauled, is removed by cutterhead inspection platform and transports.
The present embodiment has only used the overlength stepping completing TBM for 33 days, makes each system transition parallel working during TBM stepping simultaneously, has only used the transition completing TBM for 57 days, shortened the duration greatly, ensure that TBM6-2 section is constructed.
Claims (8)
1. an Open TBM transition overhead hoist, is characterized in that: comprise the hanging beam be arranged on car body (1), and on described hanging beam, left and right is arranged with hoisting mechanism (2).
2. Open TBM transition overhead hoist as claimed in claim 1, is characterized in that: described hanging beam is two pairs and front and back are arranged on described car body (1).
3. Open TBM transition overhead hoist as claimed in claim 2, is characterized in that: described hanging beam comprises support (6) and is arranged on the crossbeam (7) on support (6), and described hoisting mechanism is symmetricly set on the two ends of described crossbeam (7).
4. the Open TBM transition overhead hoist as described in any one of claim 1-3, it is characterized in that: described hoisting mechanism (2) comprises the pulley (3) be arranged on crossbeam, described pulley (3) is connected with guide chain (4), and described guide chain (4) is provided with suspender belt (5).
5. the Open TBM transition overhead hoist as described in any one of claim 1-4, it is characterized in that: described hanging beam is arranged on car body (1) by rotating shaft (26), described rotating shaft (26) comprises cutter hub and cutter shaft, one end of described cutter shaft is fixed on described car body (1), the other end is connected with described cutter hub, be provided with bearing between described cutter hub and cutter shaft, described hanging beam is fixedly installed on described cutter hub.
6. utilize the overhead hoist as described in any one of claim 1-5 to carry out the method for Open TBM transition, it is characterized in that: comprise the rear supporting traveling gear (9) be connected with TBM main frame (13) stepping mechanism, described rear supporting traveling gear (9) comprise rear supporting below wheels (10) and two tracks with its adaptation, every bar track is formed by connecting by several rail (11), every one steel rail (11) is fixed on several steel sleepers (12), middle walking track (8) that described car body (1) is walked is provided with between described two tracks, described overhead hoist by rear supporting step through after a rail (11) and several steel sleepers (12) entirety that is fixedly connected with it sling, described car body (1) arrives wheels (10) front through locomotive traction along middle walking track (8) walking, this rail (11) and steel sleeper (12) entirety being placed makes track extend forward, circulation like this.
7. the method for Open TBM transition as claimed in claim 6, is characterized in that: in TBM transition process, synchronously overhauls the cutterhead of TBM main frame (13).
8. the method for Open TBM transition as claimed in claim 7, it is characterized in that: it is carry out on cutterhead inspection platform that the described cutterhead to TBM main frame (13) carries out maintenance, described cutterhead inspection platform comprises the girder steel (22) be fixed on cutterhead (14) and the pedal (23) be erected on described girder steel (22), is connected between described girder steel (22) by dowel (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476407.6A CN105000477B (en) | 2015-08-06 | 2015-08-06 | A kind of Open TBM transition handling apparatus and steering method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510476407.6A CN105000477B (en) | 2015-08-06 | 2015-08-06 | A kind of Open TBM transition handling apparatus and steering method |
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| CN105000477A true CN105000477A (en) | 2015-10-28 |
| CN105000477B CN105000477B (en) | 2016-11-30 |
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| CN201510476407.6A Active CN105000477B (en) | 2015-08-06 | 2015-08-06 | A kind of Open TBM transition handling apparatus and steering method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517729A (en) * | 2018-05-30 | 2018-09-11 | 中国水利水电第八工程局有限公司 | TBM Backup system tracks |
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| CN88204143U (en) * | 1988-04-21 | 1988-11-23 | 北京铁路局大修工程处 | Synchronous position lifting system for long rail |
| CN201121097Y (en) * | 2007-10-30 | 2008-09-24 | 中铁二十三局集团有限公司 | Wheeltrack type gantry crane |
| CN103213905A (en) * | 2013-05-07 | 2013-07-24 | 四川广旺能源发展（集团）有限责任公司唐家河煤矿 | Underground hoisting system |
| CN203845712U (en) * | 2014-05-12 | 2014-09-24 | 浙江省火电建设公司 | Heavy-duty equipment hoisting device |
| CN204873582U (en) * | 2015-08-06 | 2015-12-16 | 中铁十八局集团隧道工程有限公司 | Overhead hoist is used in transition of open type TBM |
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2015
- 2015-08-06 CN CN201510476407.6A patent/CN105000477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88204143U (en) * | 1988-04-21 | 1988-11-23 | 北京铁路局大修工程处 | Synchronous position lifting system for long rail |
| CN201121097Y (en) * | 2007-10-30 | 2008-09-24 | 中铁二十三局集团有限公司 | Wheeltrack type gantry crane |
| CN103213905A (en) * | 2013-05-07 | 2013-07-24 | 四川广旺能源发展（集团）有限责任公司唐家河煤矿 | Underground hoisting system |
| CN203845712U (en) * | 2014-05-12 | 2014-09-24 | 浙江省火电建设公司 | Heavy-duty equipment hoisting device |
| CN204873582U (en) * | 2015-08-06 | 2015-12-16 | 中铁十八局集团隧道工程有限公司 | Overhead hoist is used in transition of open type TBM |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517729A (en) * | 2018-05-30 | 2018-09-11 | 中国水利水电第八工程局有限公司 | TBM Backup system tracks |
| CN108517729B (en) * | 2018-05-30 | 2023-10-31 | 中国水利水电第八工程局有限公司 | TBM rear supporting equipment track |
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| Publication number | Publication date |
|---|---|
| CN105000477B (en) | 2016-11-30 |
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