CN104612718B - A kind of support chassis for overlapping shield tunnel construction and support table system - Google Patents
A kind of support chassis for overlapping shield tunnel construction and support table system Download PDFInfo
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- CN104612718B CN104612718B CN201510074563.XA CN201510074563A CN104612718B CN 104612718 B CN104612718 B CN 104612718B CN 201510074563 A CN201510074563 A CN 201510074563A CN 104612718 B CN104612718 B CN 104612718B
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000033228 biological regulation Effects 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 241000282326 Felis catus Species 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of support chassis for overlapping shield tunnel construction and support table system, it is desirable to provide a kind of support chassis effectively improving efficiency of construction and support table system.Chassis is supported to include vehicle frame, walking mechanism and hydraulic support mechanism；Vehicle frame includes two door frames, connects the bottom girder of two door frame side lower ends, connects the articulated beam on two door frame side tops, is arranged at the platform that door frame top connects two door frames, and the regulation on setting bottom girder supports；Walking mechanism includes being arranged at the road wheel group of lower sill beam, drive wheel group, rail clamping device, and is arranged at the motor with drive wheel group drive connection on bottom girder；Hydraulic support mechanism is symmetricly set on two door frames, including multiple support cylinders being arranged at along tunnel radial direction outside door frame, it is arranged at the bracket of support cylinder end, is arranged at the Rubber washer on bracket end face, and be arranged on platform for driving the pumping plant of support cylinder.
Description
Technical field
The present invention relates to technical field of mechanical equipment for tunnel construction, especially relate to a kind of overlapping shield tunnel that is used for and construct
Support chassis.
Background technology
At present, Urban Traffic Jam Based is on the rise, and significantly impacts civic trip, alleviates urban traffic pressure
Effectively approach is to greatly develop urban public tranlport system, especially has large conveying quantity, speed fast, safe and reliable, on schedule
The City Rail Transit System of comfortable the features such as, the construction of urban track traffic is increasingly accepted by citizen.
City Rail Transit System is predominantly located at below urban road, builds limited space, especially some circuits are in order to keep away
Open down and wear the impact to existing bridge of residential area or other constructions of structures, reduction, investment reduction, build in urban track traffic
If in, the design of superimposing thread tunnel line is more and more.
Shield method is the Fully-mechanized construction method of one of shallow mining method, and it has safe and reliable, ground adaptability
By force, work efficiency is high, traffic above-ground and building is disturbed little, can pass through rivers, lake and existing railway, highway, subway, bridge,
The features such as passage, pipeline, be in current constructing metro tunnel up-to-date enter construction method.
Shield method is applied to superimposing thread（Overlapping）During constructing tunnel, especially originating terminal and receiving terminal position, upper and lower two tunnels
Vertical dimension about 2m, requires according to superimposing thread shield-tunneling construction, offline tunnel of first constructing, then tunnel of reaching the standard grade of constructing.Reaching the standard grade, tunnel is applied
Man-hour, to offline tunnel certain limit（Each 10m correspondence position below tunnel shield body of reaching the standard grade and before and after shield body）Setting supports, to protect
Demonstrate,prove the structure safety in offline tunnel.
According to past construction experiences, using conventional support system（Shape steel bracket, full hall scaffold etc.）, exist and set up shifting
The problems such as dynamic difficult, upper and lower threaded list road can not tunnel simultaneously, affects larger on the shield driving duration.
Content of the invention
Instant invention overcomes shortcoming of the prior art, there is provided a kind of conveniently moving, efficiency of construction can be effectively improved, contracting
The short construction period, the support chassis for overlapping shield tunnel construction that in realization, offline shield tunnel is constructed simultaneously；Same with this
When, present invention also offers a kind of high support table system of efficiency of construction.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of support chassis for overlapping shield tunnel construction, is walked with track cooperation and is used for propping up of tunnel duct piece
Support, it includes vehicle frame, walking mechanism and hydraulic support mechanism；
Described vehicle frame includes two door frames, connects the bottom girder of two door frame side lower ends, connects on two door frame sides
The articulated beam in portion, is arranged at the platform that door frame top connects two door frames, and the regulation on setting bottom girder supports；
Described walking mechanism includes being arranged at the road wheel group of lower sill beam, drive wheel group, rail clamping device, and is arranged at bottom
Motor with drive wheel group drive connection on beam；
Described hydraulic support mechanism is symmetricly set on two door frames, is arranged at door frame including multiple along tunnel radial direction
The support cylinder in outside, is arranged at support cylinder end for supporting the bracket of tunnel duct piece side wall and roof, is arranged at bracket
Rubber washer on end face, and be arranged on platform for driving the pumping plant of support cylinder.
Preferably, the side of two described door frames is provided with the hound connecting door frame, the side setting of described door frame
There is the cat ladder of connecting platform, between described bottom girder, be provided with crossbeam.
Preferably, on two described door frames relative to bracket between a hinged connecting rod.
Preferably, all at least provided with one group of gear wheel mechanism, described gear wheel mechanism bag on the bottom girder of described door frame both sides
Include the gear wheel frame being fixedly connected with bottom girder, be arranged at the gear wheel of gear wheel frame lower end inside, during assembling, described gear wheel and track is outer
Side overlaps.
Preferably, the both sides of described door frame are all hinged with pull bar, on the other end of pull bar and tunnel duct piece during use
Screw end head connects.
Preferably, the head room of described door frame is 2.56m.
Preferably, described track is P43 type track.
Preferably, described door frame respectively arranges five support cylinders, door frame both sides stringcourse downward 15 ° each, top
Vertical one, top is to both sides 40 ° each.
Preferably, described motor passes through decelerator and chain-wheel mechanism is connected with drive wheel group.
A kind of support table system for overlapping shield tunnel construction, it includes more piece and supports chassis as above,
More piece supports chassis to be linked in sequence.
Compared with prior art, the invention has the advantages that：
Present invention can apply to upper and lower double line shield tunnel（Especially small interval double line shield tunnel）Construction, upper
When lower two tunnels tunnel, both can ensure that offline tunnel was normally open to traffic construction simultaneously, can play when reaching the standard grade constructing tunnel pair again
Offline tunnel plays the purpose of temporary support.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Structural representation cuts open in office when Fig. 1 constructs for the present invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the enlarged drawing of part B in Fig. 1.
Fig. 4 is the side view of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not paying creative work
Embodiment, broadly falls into the scope of protection of the invention.
For the support chassis of overlapping shield tunnel construction shown in Fig. 1-4, walk and be used for tunneltron with track 50 cooperation
The support of piece 30, it includes vehicle frame, walking mechanism and hydraulic support mechanism；
Described vehicle frame includes two door frames 5, connects the bottom girder 4 of two door frame 5 side lower ends, connects two door frame 5 sides
The articulated beam 6 on side top, is arranged at the platform 7 that door frame 5 top connects two door frames 5, and the regulation on setting bottom girder 4 supports 14；
Described walking mechanism includes being arranged at the road wheel group 2 of bottom girder 4 bottom, drive wheel group 3, rail clamping device 1, and setting
The motor 19 with drive wheel group 3 drive connection on bottom girder 4；
Described hydraulic support mechanism is symmetricly set on two door frames 5, is arranged at door including multiple along tunnel radial direction
The support cylinder 16 in frame 5 outside, is arranged at support cylinder 16 end for supporting the bracket 11 of tunnel duct piece 30 side wall and roof,
It is arranged at the Rubber washer 12 on bracket 11 end face, and be arranged on platform 7 for driving the pumping plant 20 of support cylinder 16.
Wherein, the side of two described door frames 5 is provided with the hound 8 connecting door frame 5, the side setting of described door frame 5
Have the cat ladder 9 of connecting platform 7, between described bottom girder 4, be provided with crossbeam 10, crossbeam be three it is ensured that the left and right pillar of door frame not
To middle excessive deformation, it is connected with bottom girder it may be necessary to take apart with bolt, allow battery locomotive 40 to pass through.Two described door frames 5
A hinged connecting rod 6 between upper relative bracket 11, limits bracket 11 and rotates in small range, construction is more convenient.Described door frame 5 both sides
Bottom girder 4 on be provided with three groups of gear wheel mechanisms, described gear wheel mechanism includes the gear wheel frame 17 being fixedly connected with bottom girder 4, setting
In the gear wheel 21 of gear wheel frame 17 lower end inside, during assembling, the lateral overlap of described gear wheel 21 and track 50 is it is clear that gear wheel mechanism
Quantity suitably can be increased and decreased according to construction requirement.The both sides of described door frame 5 are all hinged with pull bar 18, and during use, pull bar 18 is another
One end is connected with the screw end head on tunnel duct piece 30, for resisting door frame deformation., the head room of described door frame 5 is
2.56m, the walking that can meet battery locomotive 40 requires.Described track 50 preferably employs P43 type track, and its gauge is 2.23m.
In the present embodiment, described door frame 5 respectively arranges five support cylinders 16, downward 15 ° each one of door frame 5 both sides stringcourse
Only, top vertical one, to both sides 40 ° each, it is hinged with support cylinder 16 end that described bracket 11 passes through pin 15, glue at top
The thickness of leather packing is advisable with 10, during constructing operation, if there is a faulting of slab ends phenomenon section of jurisdiction, needs optionally interim cushioning again on bracket
Rubber washer, to ensure that whole bracket surface contacted well with section of jurisdiction.Rubber washer can be connected with bracket by screw.Support cylinder
Preferably model HSGK01-110/80E-4621-200*177.
Described motor 19 passes through decelerator 22 and chain-wheel mechanism is connected with drive wheel group 3.Described walking mechanism preferred
Configuration is as follows：
1. motor：Model：YZ132M1, power P=2.2kw, rotating speed n=935r/min；
2. reductor：Model：WHS12.5-50- I (II), gear ratio is 50, sprocket ratio i=Z2/Z1=38/19=2,
Resultant gear ratio=50*2=100；
3. the speed of travel：V=8.8m/min.
During construction, in the current state of battery locomotive, the crossbeam on bottom girder needs to remove, and the globality intensity decreases of door frame are
This, each two groups about four groups of gear wheel mechanism door frames of special setting, with track for relying on, under the effect of gear wheel mechanism, can constrain door
Frame is not deformed.Three groups of drag link mechanisms are respectively set in left and right bottom girder, the pull bar other end is connected to section of jurisdiction connecting screw rod end simultaneously
Head is it is also possible to opposing door frame is possible to the deformation producing.
A kind of support table system for overlapping shield tunnel construction, it includes five sections and support example described in is performed as described above
Chassis, five sections support chassis to be linked in sequence.Often section support chassis effective support length be 6m, previous section supporting table tailstock portion with after
One section supporting table car head distance be 0.68m, using common rail compartment connected mode it is clear that support chassis quantity can root
Reasonably increased and decreased according to construction requirement.
Support table system installation and operation instruction as follows：
1）The installation of chassis
1. to supporting chassis correlation drawing to be familiar with, then according to drawing assembles to chassis successively, the group of chassis
Step from the bottom up followed by dress, first carries out preassembling on ground, is split, lifting is gone into the well, by storage battery after acceptance(check)
Locomotive transportation to installment work face carries out installing in tunnel, supports the lifting of chassis merogenesis to go into the well using 50t truck crane and 45 tons of doors
Machine cooperation completes, tunnel internal is assembled support chassis when, from inside outwards assembled successively, final section support the bracket of chassis away from
From hole about 0.5m, installing in hole needs measurement to carry out measurement tasks.
2., after all parts install, need, to supporting chassis to carry out an acceptance inspection, can come into operation after acceptance(check).
3. main installation tool：Chain block, spanner etc.；
2）Table system is supported to use
1. support table system（Five sections support chassis）Bearing length be about 30m, that is, each below shield body and before and after shield body
10m scope, each displacement is 1.5m～3m（1～2 section section of jurisdiction）It is desirable to before right line is mobile during finally a piece of pipe sheet assembling
The interior translation work completing left threaded list road, requires to accomplish that shield machine stops driving, synchronous grouting also will complete, forbid simultaneously
Support in chassis moving process and slip casting or synchronous grouting are carried out to section of jurisdiction；
2. small interval overlapping tunnel supports chassis to support scope to give superimposing thread for design drawing and supports scope；
3., during supporting chassis to use, monitoring to be strengthened to section of jurisdiction, in order to avoid causing section of jurisdiction because jacking thrust is excessive
Deformation, dislocation；
4. when support chassis shift position determine after, need to fix with section of jurisdiction connecting bolt by drag link mechanism, simultaneously
Rail clamping device clips；
5., after supporting chassis to fix, need to hold out against adjusting support with orbital plane, for guarantee track, shape does not occur
Become it is proposed that the cushioning lumps of wood below in rail；
When 6. shutting down mobile support chassis every time, Section of four supporting table tailstock portion 4.8m of shield cutter distance from top, every time
Mobile 1.5～3m；
7. during right line shield launching, 1～No. 5 support chassis is in place from portal 0.5 position once mounting, applies prestressing force
When it is assumed that it is 1 that portal position first support chassis is numbered, then supporting chassis apart from the farthest section of portal, to number be 5, to 1
When～No. 5 support chassis apply prestressing force, it is principle according to each 5KN that increases, classification applies, the maximum gross thrust that applies is each
Support cylinder 45KN, pre-applied force needs segment deformation situation is monitored during applying, and unusual circumstance stops in time
Pre-applied force, in order to avoid being once added to position and making section of jurisdiction produce moderate finite deformation；
8. pre-applied force applying order：Each supports chassis to amount to 5 support cylinders, and the order of applying power is first top axis
Position support cylinder, then apply the support cylinder of the top left and right sides（Apply simultaneously）, finally apply two support cylinders of waist
Pre-applied force（Apply simultaneously）.
9. in shield tunneling process, carry out the monitoring of section of jurisdiction, recorded the data variation of oil cylinder simultaneously, treated first
Section test section completes, and summarizes, analyzes, determines final prestressing force load condition；
10. the stress sequence of unloading before moving：The support force of a support chassis can only be unloaded every time（Unloading unloads by several times,
Unload the support force of two support cylinders on 40 degree of directions for the first time, unload the downward 15 degree of direction loinss of stringcourse two for second
Support force, finally support force on unloading axis direction, being offloaded to axle power every time is to stop when zero, after each completion of discharge, be to pipe
Piece is monitored measuring；
For ensureing the construction safety of offline shield tunnel, a section can only be moved every time and support chassis, treat that a section supports
After chassis movement finishes and installs, just can carry out the movement that next section supports chassis, the chassis being not in mobile status must
Stress must be in.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of support chassis for overlapping shield tunnel construction, is walked with track cooperation and is used for the support of tunnel duct piece,
It is characterized in that：Including vehicle frame, walking mechanism and hydraulic support mechanism；
Described vehicle frame includes two door frames, connects the bottom girder of two door frame side lower ends, connects two door frame side tops
Articulated beam, is arranged at the platform that door frame top connects two door frames, and the regulation on setting bottom girder supports；
Described walking mechanism includes being arranged at the road wheel group of lower sill beam, drive wheel group, rail clamping device, and is arranged on bottom girder
Motor with drive wheel group drive connection；
Described hydraulic support mechanism is symmetricly set on two door frames, is arranged at outside door frame along tunnel radial direction including multiple
Support cylinder, be arranged at support cylinder end for supporting the bracket of tunnel duct piece side wall and roof, be arranged at bracket end face
On Rubber washer, and be arranged on platform and be used for driving the pumping plant of support cylinder.
2. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Two described door frames
Side be provided with the hound connecting door frame, the side of described door frame is provided with the cat ladder of connecting platform, between described bottom girder
It is provided with crossbeam.
3. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Two described door frames
A hinged connecting rod between upper relative bracket.
4. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Described door frame both sides
Bottom girder on all at least provided with one group of gear wheel mechanism, described gear wheel mechanism includes the gear wheel frame being fixedly connected with bottom girder, setting
In the gear wheel of gear wheel frame lower end inside, the lateral overlap of described gear wheel and track during assembling.
5. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：The two of described door frame
Side is all hinged with pull bar, and during use, the other end of pull bar is connected with the screw end head on tunnel duct piece.
6. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Described door frame net
Outage degree is 2.56m.
7. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Described track is
P43 type track.
8. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Each on described door frame
Five support cylinders of setting, door frame both sides stringcourse downward 15 ° each, top vertical one, top is to both sides 40 ° each.
9. according to claim 1 be used for overlapping shield tunnel construction support chassis it is characterised in that：Described motor passes through
Decelerator and chain-wheel mechanism are connected with drive wheel group.
10. a kind of support table system for overlapping shield tunnel construction it is characterised in that：It includes more piece such as claim
Support chassis described in any one of 1-9, more piece supports chassis to be linked in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074563.XA CN104612718B (en) | 2015-02-12 | 2015-02-12 | A kind of support chassis for overlapping shield tunnel construction and support table system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074563.XA CN104612718B (en) | 2015-02-12 | 2015-02-12 | A kind of support chassis for overlapping shield tunnel construction and support table system |
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| Publication Number | Publication Date |
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| CN104612718A CN104612718A (en) | 2015-05-13 |
| CN104612718B true CN104612718B (en) | 2017-03-08 |
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| NL2035454B1 (en) * | 2023-03-07 | 2024-09-20 | China Railway Electrification Eng Group Co Ltd | Support trolley, pipe joint correction method and supporting method for overlapping shield tunnels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2035454B1 (en) * | 2023-03-07 | 2024-09-20 | China Railway Electrification Eng Group Co Ltd | Support trolley, pipe joint correction method and supporting method for overlapping shield tunnels |
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| Publication number | Publication date |
|---|---|
| CN104612718A (en) | 2015-05-13 |
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