CN106837379B - A kind of construction method in tunnel and its tunnel lining trolley of use - Google Patents
A kind of construction method in tunnel and its tunnel lining trolley of use Download PDFInfo
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- CN106837379B CN106837379B CN201611206446.5A CN201611206446A CN106837379B CN 106837379 B CN106837379 B CN 106837379B CN 201611206446 A CN201611206446 A CN 201611206446A CN 106837379 B CN106837379 B CN 106837379B
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 230000009466 transformation Effects 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 47
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000009415 formwork Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000007667 floating Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000002689 soil 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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (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 present invention provides a kind of construction method in tunnel, specifically includes the following steps: the first step, lining trolley are assembled；Second step, lining trolley, which are run to, carries out lining construction in main hole；After the completion of third step, the construction of main hole, lining trolley carries out first time transformation, is run in next main hole by branch hole；4th step, lining trolley carry out second and convert, and the lining trolley after second of transformation carries out lining construction；5th step repeats third step and a plurality of main hole of the 4th step construction；Lining trolley carries out third time transformation, completes the lining construction in tunnel.Using construction method of the invention, processing step is simplified, and a trolley meets the construction demand in a plurality of tunnel being set side by side of constructing, and reduces human cost and equipment cost.Invention additionally discloses a kind of tunnel lining trolley, effect is: overall structure is simplified, convenient for assembly；Trolley has biggish lifting amount, meets the lining cutting in main hole and passes through the dual requirements in shorter and smaller branch hole.
Description
Technical field
The present invention relates to technical field of tunnel construction, and in particular to a kind of construction method in tunnel and its tunnel lining of use
Platform building cart.
Background technique
It applies in the prior art more and more extensive in tunnel.Often there is a plurality of tunnel concurrent construction in constructing tunnel,
Working tunnel is set between parallel tunnel, and working tunnel is intersected with main hole with non-perpendicular certain angle, to facilitate tunnel
Interior material transfer, and the generally more main hole cross section in working tunnel cross section is much short and small.
The diversity of tunnel cross-section determines the specific features of trolley.When length of tunnel is not long, a trolley can lining cutting
A plurality of tunnel, but because traditional secondary lining trolley in main hole by working tunnel because that can not be generally required every tunnel and be matched
It sets 1 or more trolleys is constructed respectively, or be transported to behind another tunnel again by means of transport again after trolley is removed
It constructs after assembly.
Therefore, it in the operating condition of a plurality of tunnel concurrent construction, is had the disadvantage that using lining trolley in the prior art
(1) the distance between door frame and template are shorter in trolley, and the demoulding shrinkage of trolley is extremely limited, can only demould and be contracted to away from tunnel
Road lining is unable to satisfy the requirement by working tunnel less than 20 centimetres at all；(2) trolley can not be needed by working tunnel
1 or more trolleys of every tunnel configuration are wanted, equipment cost greatly increases, and the more assembly of trolley and tearing open after the completion of construction
Except being both needed to expend a large amount of man power and material, and it need to more put into construction and maintenance cost；(3) existing trolley is only used for constructing
Linear tunnel, and it is not suitable for the constructing tunnel with certain amplitude.
In conclusion being badly in need of a plurality of main hole method for tunnel construction arranged side by side of one kind and its lining trolley used to solve now
There is the problem of technology.
Summary of the invention
It is an object of that present invention to provide a kind of work progress to simplify, a plurality of tunnel arranged side by side of lining cutting can be rapidly completed in a trolley
And the construction method in the low tunnel of construction cost, specific technical solution are as follows:
A kind of construction method in tunnel, tunnel includes parallel setting and the main hole of N item successively successively sorted by construction, adjacent
It is connected between two main holes by branch hole, in which: N is the natural number more than or equal to 2；
Construction method specifically includes the following steps:
The first step, lining trolley are assembled in first main hole, and either, lining trolley is gone after the completion of assembly outside tunnel
It walks into first main hole；
Second step, lining trolley run in first main hole and carry out lining construction to lining cutting position, and first main hole is applied
After the completion of work；
Third step, lining trolley carry out first time transformation, and the lining trolley after converting for the first time passes through i-th master of connection
The branch hole in hole is run in i-th main hole, in which: i is the natural number for being less than or equal to N-1 more than or equal to 2；
4th step, lining trolley carry out second and convert, and the lining trolley after second of transformation runs to i-th main hole
In to lining cutting position carry out lining construction；
5th step takes i=i+1, when i+1 is less than or equal to N, returns to third step；When i+1 is greater than N, lining trolley is carried out
Third time is walked out tunnel after converting, and completes the lining construction in tunnel.
Preferred in above technical scheme, the first time transformation in the third step refers specifically to the demoulding, whole of lining trolley
Body reduces and direction of travel is become the axis direction towards branch hole from the axis direction towards main hole.
Preferred in above technical scheme, second of transformation in the 4th step refers specifically to the whole of lining trolley and rises
High, formwork erection and direction of travel are become the axis direction towards main hole from the axis direction towards branch hole.
It is preferred in above technical scheme, the third time transformation in the 5th step refer specifically to lining trolley demoulding or
It is that the whole of lining trolley is reduced and demoulded.
Preferred in above technical scheme, the concrete mode of lining construction is in the second step and the 4th step: first by jth
The first end end in the main hole of item is constructed to branch hole position, then is constructed by the second end end in the main hole of j-th strip to branch hole position,
In: j is the natural number for being less than or equal to N more than or equal to 1.
Using construction method of the invention, work progress is simplified, and a trolley meets a plurality of tunnel being set side by side of constructing
Construction demand, greatly reduce trolley quantity, substantially reduce human cost and equipment cost etc..
Invention additionally discloses tunnel lining trolley used by a kind of construction method in above-mentioned tunnel, specific technical solutions
It is:
A kind of tunnel lining trolley, including portal frame system, template system, the interconnecting piece for connecting portal frame system and template system
Part and the walking mechanism for driving entire trolley to walk；
The lifting body and bracket that the portal frame system includes frame part and is arranged on the frame part simultaneously
Part, the lifting body are used to adjust the height of entire trolley comprising are arranged at least the two of the frame part both ends
Group jacking single-piece, the jacking single-piece include the M grade jacking component being arranged from the bottom to top, and wherein M is the nature more than or equal to 2
Number；The bracket portion includes activity and the truss beam body that is detachably arranged on the frame part and is arranged in the purlin
It sets a roof beam in place on body and the walking mechanism of entire trolley weight can be supported to adjust support frame；Positioned at the jacking component of bottom and institute
State the direction adjustment machine for being equipped between walking mechanism and the direction of travel of entire trolley capable of being transferred to 0 ° of -180 ° of angle in the horizontal plane
Structure；
The template system includes top template, left side template and right side template, and the top template includes sequentially connected
Left backform P, Zuo Dingmo Q, right backform P and right backform Q；The left side template includes upper left side form and lower-left side form, the right side
Template includes upper right side form and bottom right side form；
The connecting component includes supporting very heavy and hydraulic cylinder, between the top template and the portal frame system, described
Be equipped between left side template and the portal frame system and between the right side template and the portal frame system support it is very heavy and
Hydraulic cylinder.
In order to reach superior technique effect, the connecting component further includes folding supporting element group, the supporting element
Group includes two support rods for being sequentially connected in series setting, and two adjacent one end of support rod, which are equipped with, to match and install convenient for bolt
Two pin holes；
Pass through between the left backform Q and the portal frame system and between the right backform P and the portal frame system
Flexible hydraulic cylinder connection is carried out along the vertical direction；Between the upper left side form and the portal frame system and right side
By along inclined direction carrying out flexible hydraulic cylinder connection between upper side form and the portal frame system, the lower-left side form with
At least one set of supporting element group is equipped between the portal frame system and between the bottom right side form and the portal frame system.
Preferred in above technical scheme, the guide post lower end in jacking component described in the first order connects the walking mechanism；
Guide sleeve in the kth grade jacking component is socketed on the guide post in -1 grade of the kth jacking component, the kth grade jacking portion
Guide post lower end in part is fixed on the guide sleeve in the kth grade jacking component, and wherein k is more than or equal to 2 and to be less than or equal to M-1
Natural number；The guide sleeve that upper end is fixed on the crossbeam in frame part is socketed on the guide post in the M grades of jacking components；
Jacking cylinder is equipped in guide post in jacking single-piece described in every level-one, jacking cylinder lower end is set in jacking single-piece described in previous stage
It sets on the guide post in the jacking single-piece described in previous stage, the upper end is arranged on the guide sleeve in jacking single-piece described in rear stage；
The direction adjusting mechanism include center ship and resell on another market, fixing seat, thrust bearing, baffle and nut；It ships and resell on another market at the center
Lower end be fixed in the walking mechanism, the thrust bearing, fixing seat, baffle and nut be sequentially sleeved at the center turn
The upper end of pin；Guide post lower end in jacking component described in the upper end of the fixing seat and the first order connects, under the fixing seat
End is equipped with the gap of 0.01-1cm with the upper end of the walking mechanism.
It further include blocking component to reach superior technique effect, the blocking component includes two groups of closure single-pieces, institute
State block single-piece include for blocks left side template lower end or for template lower end on the right side of blocking stopend with
And it is used to support the formwork-support of the stopend.
Preferred in above technical scheme, the frame part is made of two door frame crossbeams and two door frame stringers
Hollow structure；
The truss beam body includes being erected at girder truss in the frame part on two door frame crossbeams and setting exists
Reinforcing member and yoke crosstie on the girder truss, by stretching between the door frame crossbeam in the girder truss and the frame part
The connection of contracting oil cylinder, the both ends of the yoke crosstie are connect with the attachment base in arc pressuring plate in template system respectively；
The lifting body includes four groups of jacking single-pieces that four Angle Positions of frame part are arranged in, two adjacent groups
It is attached between guide post lower end in jacking component described in level-one by column attachment beam.
Using tunnel lining trolley of the invention, have the advantages that
(1) lifting body is equipped in tunnel lining trolley of the invention, and lifting body is multistage jacking, and trolley is made both may be used
To adapt to the construction of tunnel different height section, trolley can also be made to obtain biggish lifting amount；The design of bracket portion is ensuring
While reaching lining trolley durability requirements, it can not only simplify the structure of frame part, but also can play a supporting role to trolley, from
And it is easy to implement trolley and turns to the operation such as walking；The direction of travel of entire trolley can be transferred 0 ° of -180 ° of folder by direction adjusting mechanism
Angle, had not only been able to satisfy the lining construction of curved tunnel, but also was able to satisfy steering walking of the tunnel between main hole and branch hole.To sum up, originally
The lining trolley of invention can realize that a trolley is constructed the construction in a plurality of tunnel being set side by side by shorter and smaller working tunnel
Demand greatly reduces trolley quantity, substantially reduces human cost and equipment cost etc..
(2) top template, left side template and right side template three can be according to templates along profile height direction in the present invention
Altitudes are designed using monolith or multistage Combination Design, and combine the structure of connecting component, it is ensured that template self-strength and anti-
Deformability is guaranteed, it is ensured that template obtains maximum lifting amount, to realize that trolley can sequentially pass through working tunnel.
(3) the jacking component in the present invention is the integrated of multiple guide posts, guide sleeve and oil cylinder using quantity, and component is easy
It obtains, can stablize, farthest realize that the entirety of lining trolley raises and reduces.
It (4) further include blocking component in the present invention, blocking component includes two groups of closure single-pieces, and blocking single-piece includes blocking mould
Plate and formwork-support.The structure of blocking component is simplified, and convenient for the operation such as production, assembly, and the self weight of trolley formwork and is mixed
Solidifying soil, which pours gravity, can effectively be transferred to ground by blocking component, improve the stability of work progress.
(5) frame part is the hollow structure being made of two door frame crossbeams and two door frame stringers in the present invention；Purlin
Body of setting a roof beam in place includes girder truss, reinforcing member and yoke crosstie, passes through between the door frame crossbeam in girder truss and the frame part and stretches
The connection of contracting oil cylinder.Frame part structure is simplified significantly；Truss beam body and frame part are using the dismountable connection side of activity
Formula is readily transported, the adjustment of assembled and position, practical.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram in four main holes being set side by side in embodiment 1；
Fig. 2 is the cross-section diagram in embodiment 1 in tunnel lining trolley work progress after formwork erection；
Fig. 3 is the connection relationship diagram of portal frame system and walking mechanism in tunnel lining trolley in embodiment 1；
Fig. 4 is the cross-section diagram after demoulding and reduce in tunnel lining trolley work progress in embodiment 1；
Fig. 5 is the annexation figure of direction adjusting mechanism, guide post and walking mechanism in embodiment 1；
Fig. 6 is the schematic diagram that walking is turned in embodiment 1；
Wherein, 1, portal frame system, 1.1, frame part, 1.11, door frame crossbeam, 1.12, door frame stringer, 1.2, jack
Structure, 1.3, bracket portion, 1.31, truss beam body, 1.32, walking mechanism adjustment support frame；
2, template system, 2.1, top template, 2.11, Zuo Dingmo P, 2.12, Zuo Dingmo Q, 2.13, right backform P, 2.14, the right side
Backform Q, 2.2, left side template, 2.21, upper left side form, 2.22, lower-left side form, 2.3, right side template, 2.31, upper right side form,
2.32, bottom right side form；
3, connecting component, 3.1, support very heavy, 3.2, hydraulic cylinder, 3.3, supporting element group, 3.31, support rod；
4, walking mechanism；
5, direction adjusting mechanism, 5.1, center ship and resell on another market, 5.2, fixing seat, 5.3, thrust bearing, 5.4, baffle, 5.5, spiral shell
It is female；
6, blocking component, 6.1, closure single-piece, 6.11, stopend, 6.12, formwork-support, 6.13, roller group；
7, anti-floating mechanism, 7.1, attachment base, 7.2, support tube, 7.21, nut, 7.3, support, 7.4, screw rod；
8, column attachment beam；
9, track；
A, single-piece, A1, guide post, A2, guide sleeve, A3, jacking cylinder are jacked；
A, girder truss, b, reinforcing member, c, yoke crosstie, d, telescopic oil cylinder.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1:
A kind of construction method in tunnel is particularly used for the construction in a plurality of main hole being set side by side, leads between adjacent main hole
Branch hole Z connection is crossed, four main holes (D1, D2, D3 and D4) is illustrated herein, is detailed in Fig. 1.Tunnel lining trolley used by it is constructed
As shown in Fig. 2-Fig. 6, portal frame system 1, template system 2, the connecting component for connecting portal frame system 1 and template system 2 are specifically included
3, the control system that the whole trolley of walking mechanism 4 and control for driving entire trolley to walk is acted.
The portal frame system 1 includes frame part 1.1 and the lifting body being arranged on the frame part 1.1 simultaneously
1.2 and bracket portion 1.3, detailed construction is as follows:
The frame part 1.1 (being detailed in Fig. 2 and Fig. 3) is by two door frame crossbeams 1.11 and two 1.12 groups of door frame stringer
At hollow structure.
The lifting body 1.2 (being detailed in Fig. 2 and Fig. 3) includes four that 1.1 4 Angle Positions of frame part are arranged in
Group jacks single-piece A, is connected between the lower end guide post A1 in jacking component described in the two adjacent groups first order by column attachment beam 8
Connect, it is described jacking single-piece include be arranged from the bottom to top two-stage jacking component (herein jack component series can also be according to reality
Border situation uses 2 or more natural number), the lower end guide post A1 in jacking component described in the first order connects the walking mechanism 4；The
Guide sleeve A2 in jacking component described in second level is socketed on the guide post A1 in jacking component described in the first order, and upper end is fixed on frame
Guide sleeve A2 on crossbeam in part 1.1 is socketed on the guide post A1 in jacking component described in the second level；It is jacked described in two-stage single
Jacking cylinder A3 is equipped in guide post A1 in part, the lower end jacking cylinder A3 is arranged in previous stage in jacking single-piece described in previous stage
On guide post A1 in the jacking single-piece, the upper end is arranged on the guide sleeve A2 in jacking single-piece described in rear stage.
The bracket portion 1.3 (being detailed in Fig. 2, Fig. 3 and Fig. 4) includes activity and is detachably arranged at the frame part
Truss beam body 1.31 on 1.1 and the walking mechanism that is arranged in the truss beam body 1.31 and can support entire trolley weight
Adjust support frame 1.32, detailed construction is: the truss beam body 1.31 includes being erected at two door frames in the frame part 1.1
Girder truss a on crossbeam 1.11 and the reinforcing member b and yoke crosstie c, the girder truss a that are arranged on the girder truss a with
It is connected between door frame crossbeam 1.11 in the frame part 1.1 by telescopic oil cylinder d, the both ends difference of the yoke crosstie c
It is connect with the attachment base in template system 2 in arc pressuring plate.
The template system 2 (being detailed in Fig. 2, Fig. 3 and Fig. 4) includes top template 2.1, left side template 2.2 and right side template
2.3, the connecting component 3 includes supporting very heavy 3.1, hydraulic cylinder 3.2 and folding supporting element group 3.3, the top template
Between 2.1 and the portal frame system 1, between the left side template 2.2 and the portal frame system 1 and the right side template 2.3
Support very heavy 3.1 and hydraulic cylinder 3.2 are equipped between the portal frame system 1, herein preferably: the top template 2.1 includes
Sequentially connected left backform P (marked as 2.11), Zuo Dingmo Q (marked as 2.12), right backform P (marked as 2.13) and right backform
Q (marked as 2.14), the left side template 2.2 include upper left side form 2.21 and lower-left side form 2.22, and the right side template 2.3 is wrapped
Include upper right side form 2.31 and bottom right side form 2.32.It is hinged by pin shaft between adjacent two pieces of templates, in the hinge joint of two pieces of templates
Place be provided with it is adjustable very heavy, through pin shaft hinged support on template arc gusset, when shuttering supporting in place after this is adjustable
Very heavy firm supporting makes trolley multiple groups form annular overall structure by being movably hinged the template to link together, to make mould
Plate self-strength and non-deformability are greatly promoted.
Between the left backform Q (marked as 2.12) and the portal frame system 1 and the right backform P (marked as 2.13)
It is connect by carrying out flexible hydraulic cylinder 3.2 along the vertical direction between the portal frame system 1；The upper left side form 2.21
Between the portal frame system 1 and between the upper right side form 2.31 and the portal frame system 1 by along inclined direction into
The flexible hydraulic cylinder 3.2 of row connects.
Between the lower-left side form 2.22 and the portal frame system 1 and the bottom right side form 2.32 and the portal frame system
At least one set of supporting element group 3.3 is equipped between 1, the supporting element group 3.3 includes being sequentially connected in series two supports of setting
Bar 3.31.Herein preferably: the connected one end of two support rods 3.31 is respectively arranged with two pin holes to match, when trolley works
When, two pin holes plug pin shaft, and two support rods 3.31 is made to keep linear state, and when trolley crosses branch hole, trolley formwork needs complete
It withdraws, to avoid the main support of side form from interfering with template, the pin shaft that will be close to support rod side is removed, and can make two support rod phases
To folding, the hinged otic placode that matches after folding is respectively arranged on two support rods 3.31, and on support rod 3.31 with door frame
The hinged otic placode to match after folding is respectively arranged in system 1, the main support of side form is plugged at above-mentioned hinged otic placode after folding
Pin shaft can fix folded main support 3.31, and mould is utmostly received in realization.
Being equipped between the lower end guide post A1 and the walking mechanism 4 in jacking component described in the first order can incite somebody to action in the horizontal plane
The direction of travel of entire trolley transfers the direction adjusting mechanism 5 of 0 ° of -180 ° of angle, and the structure of preferred orientations adjustment mechanism is such as herein
Under: it is detailed in Fig. 5, including center is shipped and resell on another market 5.1, fixing seat 5.2, thrust bearing 5.3, baffle 5.4 and nut 5.5；The center turns
The lower end of pin 5.1 is welded in the walking mechanism 4, the thrust bearing 5.3, fixing seat 5.2, baffle 5.4 and nut 5.5 according to
It is secondary be set in the center ship and resell on another market 5.1 upper end (internal screw thread of nut and center ship and resell on another market the external screw thread of end match)；It is described
The lower end guide post A1 connection in jacking component described in the upper end of fixing seat 5.2 and the first order, the lower end of the fixing seat 5.2 and institute
The upper end for stating walking mechanism 4 is equipped with the gap of 0.01-1cm.There are gaps between 5.2 lower end of fixing seat and walking mechanism 4, to protect
Demonstrate,prove walking mechanism 4 and fixing seat 5.2 can relative rotation, thus when realizing walking mechanism walking direction of travel adjustment.
The tunnel lining trolley of the present embodiment further includes blocking component 6 (being detailed in Fig. 2), and the blocking component 6 includes two groups
Single-piece 6.1 is blocked, the closure single-piece includes for blocking left side 2.2 lower end of template or for blocking right side template 2.3
The stopend 6.11 of lower end and the formwork-support 6.12 for being used to support the stopend 6.11.The template branch
The lower end of support 6.12 is equipped with roller group 6.13.
The tunnel lining trolley of the present embodiment further includes anti-floating mechanism 7, and the anti-floating mechanism 7 includes multiple anti-floating single-pieces,
The anti-floating single-piece includes attachment base 7.1, support tube 7.2, support 7.3 and screw rod 7.4, and the attachment base 7.1 is arranged in institute
It states on template system 2；One end of the support tube 7.2 is fixed on the attachment base 7.1, and the other end is equipped with nut 7.21；
The support 7.3 is close to the setting of tunnel excavation face；Nut 7.21 on one end of the screw rod 7.4 and the support tube 7.2 is living
Dynamic connection, the other end are hinged on the support 7.3.
In the tunnel lining trolley of the present embodiment: the walking mechanism 4, supports very heavy 3.1, hydraulic oil at telescopic oil cylinder A3
Cylinder 3.2 and closure single-piece 6.1 are connect with the hydraulic control system.
Using tunnel lining trolley of the invention, detailed process is:
Trolley shrinks (i.e. demoulding and whole reduction), mainly has the following aspects: removing blocking component 6, remove；It removes
Very heavy 3.1 are supported, the control system control contraction of hydraulic cylinder 3.2 is demoulded；Control system controls jacking cylinder A3 and shrinks, drop
The height of low entire trolley；Supporting element group 3.3 is manually operated, it is ensured that side form is utmostly shunk.Trolley formwork erection and elevation process
It is opposite with this trolley contraction process.
Walking mechanism movement (i.e. lining trolley walking and steering), mainly: under the cooperation of direction adjusting mechanism 5, control
The steering of system walking mechanism 4 processed (herein, is detailed in Fig. 6, using branch hole direction of advance as front, walking mechanism includes front right wheel, front left
Wheel, rear right wheel and rear revolver, when branch hole is at left side, preceding revolver is rotated by 90 ° counterclockwise, and front right wheel rotates clockwise 90 °, rear right
Wheel is rotated by 90 ° counterclockwise, and rear revolver rotates clockwise 90 °, it can so that lining trolley passes through branch hole；When in main hole into
When row curve is constructed, according to similar principle, the rotation that four rolling carries out certain angle can meet walking demand), lining cutting
Trolley is smoothly constructed and is passed through branch hole in main hole and runs to the construction that adjacent main hole carries out next main hole.According to above-mentioned walking
The direction of travel of mechanism changes principle, 90 ° of lining trolley left-hand rotation may be implemented or 90 ° of operations for crossing branch hole of turning right.
The work progress of the present embodiment is as follows:
The first step, lining trolley are assembled in first main hole D1, and either, lining trolley is outside tunnel after the completion of assembly
It runs in first main hole D1；
Second step, lining trolley run in first main hole D1 and carry out lining construction, construction method tool to lining cutting position
Body is: first being constructed by the first end end of first main hole D1 to branch hole position, then by the second end end of first main hole D1
It constructs to branch hole position；After the completion of first main hole D1 construction；
Third step, lining trolley carry out first time transformation, and the lining trolley after converting for the first time passes through connection Article 2
The branch hole Z of main hole D2 is run in the main hole D2 of Article 2；
4th step, lining trolley carry out second and convert, and the lining trolley after second of transformation runs to Article 2 master
Lining construction is carried out to lining cutting position in the D2 of hole, construction method is specifically: first being constructed by the first end end of the main hole D2 of Article 2
It constructs to branch hole position, then by the second end end of the main hole D2 of Article 2 to branch hole position；
5th step repeats third step and the construction of the 4th the step main hole D3 and main hole D4 of Article 4 of Article 3, the main hole D4 of Article 4
After the completion of construction, the lining construction in entire tunnel is completed in tunnel of walking out after lining trolley progress third time transformation.
First time transformation in above-mentioned third step refers specifically to the demoulding, whole reduction and direction of travel of lining trolley by court
Become the axis direction towards branch hole to the axis direction in main hole.Second of transformation in above-mentioned 4th step refers specifically to lining trolley
It is whole increase, formwork erection and direction of travel are become the axis direction towards main hole from the axis direction towards branch hole.Above-mentioned
Third time transformation in five steps refers specifically to the whole reduction and demoulding of the demoulding either lining trolley of lining trolley.
By this thinking, tunnel number according to this similar principle it is also possible to not construct a plurality of main hole being set side by side.
In work progress, the manner of execution of lining trolley can select according to actual needs, a kind of operation side provided herein
Formula, details are: before lining trolley decline, removing the support very heavy 3.1 of whole templates, successively operate the hydraulic cylinder on trolley both sides
3.2, withdraw template system 2 completely；Jacking cylinder A3 is operated, trolley is declined；To institutional adjustment support frame of walking on trolley
1.32 from the ground distance 5-20cm when, rotation support, make support stretching ground；Then control walking mechanism 4 de-orbits；Then
The rotation of walking mechanism 4 (is matched, the track in branch hole can be with to parallel with branch hole direction with the orbital position completed in branch hole
Complete, can also temporarily be laid in advance), operation jacking cylinder A3 makes the decline of walking mechanism 4 in conjunction with track；Continue operation jacking
Oil cylinder A3, walking mechanism adjust support frame 1.32 and are detached from ground, and then rotation support, makes to support complete withdrawal；Last operation top
Oil-lifting jar A3 declines trolley completely, and trolley is converted to through branch hole state.Converting only needs inverse operation i.e. into main hole state
It can.
Using tunnel lining trolley of the invention, effect is: (1) parallel same tunnel of a plurality of tunnel double-lining construction usage
Road lining trolley (hereinafter referred to as trolley) construction, trolley is from when wherein a tunnel goes to another tunnel, without removing and again
Secondary assembly improves construction efficiency；(2) trolley has enough lifting amounts and template shrinkage, can be quickly through working tunnel, row
It walks to another tunnel and constructs；(3) when there is curved section construction in tunnel, trolley walking mechanism needs the automatic deflecting of energy, and satisfaction is applied
Work demand；(4) trolley has good anti-floating effect, easy to operate.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of construction method in tunnel, it is characterised in that: tunnel includes the parallel N item being arranged and successively successively sort by construction
Main hole is connected between adjacent two main holes by branch hole, in which: N is the natural number more than or equal to 2；
Construction method specifically includes the following steps:
The first step, lining trolley are assembled in first main hole, and either, lining trolley is run to after the completion of assembly outside tunnel
In first main hole；
Second step, lining trolley run in first main hole and carry out lining construction to lining cutting position, and first main hole has been constructed
Cheng Hou；
Third step, lining trolley carry out first time transformation, and the lining trolley after converting for the first time passes through i-th main hole of connection
Branch hole is run in i-th main hole, in which: i is the natural number for being less than or equal to N-1 more than or equal to 2；Wherein: transformation tool for the first time
Body refers to that the demoulding, whole reduction and direction of travel of lining trolley are become the axis towards branch hole from the axis direction towards main hole
Direction；
4th step, lining trolley carry out second and convert, the lining trolley after converting for second run in i-th main hole to
Lining cutting position carries out lining construction；Wherein: second of transformation refers specifically to whole raising, formwork erection and the direction of travel of lining trolley
Axis direction towards main hole is become from the axis direction towards branch hole；
5th step takes i=i+1, when i+1 is less than or equal to N, returns to third step；When i+1 is greater than N, lining trolley carries out third
Walk out after secondary transformation tunnel, complete the lining construction in tunnel, in which: third time transformation refer specifically to lining trolley demoulding or
It is that the whole of lining trolley is reduced and demoulded.
2. the construction method in tunnel according to claim 1, it is characterised in that: lining cutting is applied in the second step and the 4th step
The concrete mode of work is: first being constructed by the first end end in the main hole of j-th strip to branch hole position, then the second end by the main hole of j-th strip
It constructs to branch hole position end, in which: j is the natural number for being less than or equal to N more than or equal to 1.
3. tunnel lining trolley used by a kind of construction method in the tunnel as described in claim 1-2 any one, feature
Be, including portal frame system (1), template system (2), connection portal frame system (1) and template system (2) connecting component (3) with
And the walking mechanism (4) for driving entire trolley to walk；
The portal frame system (1) includes frame part (1.1) and the jack that is arranged on the frame part (1.1) simultaneously
Structure (1.2) and bracket portion (1.3), the lifting body (1.2) are used to adjust the height of entire trolley comprising are arranged in institute
At least two groups jacking single-piece (A) at frame part (1.1) both ends is stated, the jacking single-piece includes the M grade top being arranged from the bottom to top
Ascending part part, wherein M is the natural number more than or equal to 2；The bracket portion (1.3) includes activity and is detachably arranged at the frame
Truss beam body (1.31) and setting on frame part (1.1) on the truss beam body (1.31) and can support entire trolley
The walking mechanism of weight adjusts support frame (1.32)；Between the jacking component and the walking mechanism (4) of bottom
Equipped with the direction adjusting mechanism (5) that the direction of travel of entire trolley can be transferred to 0 ° of -180 ° of angle in the horizontal plane；
The template system (2) includes top template (2.1), left side template (2.2) and right side template (2.3), the top template
It (2.1) include sequentially connected left backform P (2.11), Zuo Dingmo Q (2.12), right backform P (2.13) and right backform Q (2.14)；
The left side template (2.2) includes upper left side form (2.21) and lower-left side form (2.22), and the right side template (2.3) includes upper right
Side form (2.31) and bottom right side form (2.32)；
The connecting component (3) includes supporting very heavy (3.1) and hydraulic cylinder (3.2), the top template (2.1) and the door frame
Between system (1), between the left side template (2.2) and the portal frame system (1) and the right side template (2.3) with it is described
It is equipped between portal frame system (1) and supports very heavy (3.1) and hydraulic cylinder (3.2).
4. tunnel lining trolley according to claim 3, which is characterized in that the connecting component (3) further includes foldable
Supporting element group (3.3), the supporting element group (3.3) includes two support rods (3.31) for being sequentially connected in series setting, two supports
The adjacent one end of bar (3.31), which is equipped with, to match and convenient for two pin holes of bolt installation；
Between the left backform Q (2.12) and the portal frame system (1) and the right backform P (2.13) and the portal frame system
(1) by carrying out flexible hydraulic cylinder (3.2) connection along the vertical direction between；Upper left side form (2.21) and institute
It states between portal frame system (1) and passes through along inclined direction between the upper right side form (2.31) and the portal frame system (1)
Carry out flexible hydraulic cylinder (3.2) connection, between the lower-left side form (2.22) and the portal frame system (1) and the right side
At least one set of supporting element group (3.3) is equipped between lower side form (2.32) and the portal frame system (1).
5. tunnel lining trolley according to claim 4, which is characterized in that the guide post in jacking component described in the first order
(A1) lower end connects the walking mechanism (4)；Guide sleeve (A2) in the kth grade jacking component is socketed in -1 grade of the kth top
On guide post (A1) in ascending part part, lower end guide post (A1) in the kth grade jacking component is fixed on the kth grade jacking component
In guide sleeve (A2) on, wherein k be more than or equal to 2 and be less than or equal to M-1 natural number；Upper end is fixed on frame part (1.1)
In crossbeam on guide sleeve (A2) be socketed in M grades it is described jacking component in guide posts (A1) on；Single-piece is jacked described in every level-one
In guide post (A1) in be equipped with jacking cylinder (A3), described in previous stage jacking single-piece in the jacking cylinder lower end (A3) be arranged preceding
On guide post (A1) in jacking single-piece described in level-one, the upper end is arranged on the guide sleeve (A2) in jacking single-piece described in rear stage；
The direction adjusting mechanism (5) include center ship and resell on another market (5.1), fixing seat (5.2), thrust bearing (5.3), baffle (5.4)
With nut (5.5)；The ship and resell on another market lower end of (5.1) of the center is fixed on the walking mechanism (4), the thrust bearing (5.3),
Fixing seat (5.2), baffle (5.4) and nut (5.5) are sequentially sleeved at the center and ship and resell on another market the upper end of (5.1)；The fixing seat
(5.2) the guide post lower end (A1) in jacking component described in upper end and the first order connects, the lower end of the fixing seat (5.2) and institute
The upper end for stating walking mechanism (4) is equipped with the gap of 0.01-1cm.
6. tunnel lining trolley according to claim 3, which is characterized in that further include blocking component (6), the closure group
Part (6) includes two groups of closure single-pieces (6.1), and the closure single-piece includes for blocking left side template (2.2) lower end or use
In the stopend (6.11) for blocking right side template (2.3) lower end and it is used to support the moulds of the stopend (6.11)
Plate bracing frame (6.12).
7. tunnel lining trolley according to claim 3, which is characterized in that the frame part (1.1) is by two doors
The hollow structure of frame crossbeam (1.11) He Lianggen door frame stringer (1.12) composition；
The truss beam body (1.31) includes the truss being erected in the frame part (1.1) on two door frame crossbeams (1.11)
Beam (a) and the reinforcing member (b) and yoke crosstie (c) being arranged on the girder truss (a), the girder truss (a) and the frame
It is connected between door frame crossbeam (1.11) in frame part (1.1) by telescopic oil cylinder (d), the both ends point of the yoke crosstie (c)
It is not connect with the attachment base in arc pressuring plate in template system (2)；
The lifting body (1.2) includes four group jacking single-pieces (A) of the setting in (1.1) four Angle Positions of the frame part,
It is attached between lower end guide post (A1) in jacking component described in the two adjacent groups first order by column attachment beam (8).
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| CN108843348B (en) * | 2018-08-15 | 2024-04-02 | 中铁十九局集团第六工程有限公司 | Folding tunnel anchor section lining trolley and construction method thereof |
| CN110080808B (en) * | 2019-05-22 | 2024-06-04 | 中铁十一局集团汉江重工有限公司 | Transport vehicle |
| CN111561328A (en) * | 2020-05-25 | 2020-08-21 | 保利长大海外工程有限公司 | Can realize assembled lining cutting platform truck of quick turnover |
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