CN207582276U - Tunnel inverted arch construction bridge - Google Patents

Tunnel inverted arch construction bridge Download PDF

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Publication number
CN207582276U
CN207582276U CN201721417597.5U CN201721417597U CN207582276U CN 207582276 U CN207582276 U CN 207582276U CN 201721417597 U CN201721417597 U CN 201721417597U CN 207582276 U CN207582276 U CN 207582276U
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CN
China
Prior art keywords
bridge
inverted arch
support
construction
access bridge
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Expired - Fee Related
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CN201721417597.5U
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Chinese (zh)
Inventor
姚红伟
卢伟
赵军
袁振华
刘卫文
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China Railway Tunnel Group Co Ltd CRTG
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China Railway Tunnel Group Co Ltd CRTG
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Priority to CN201721417597.5U priority Critical patent/CN207582276U/en
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Publication of CN207582276U publication Critical patent/CN207582276U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of tunnel inverted arch construction bridges, including abutment body, abutment body includes being used to form job platform and hovers over the main bridge of current construction section inverted arch position, it is used to form front support and is supported on the preceding access bridge of non-construction section inverted arch position and is used to form rear support and is supported on the rear access bridge of construction section inverted arch position, main pars basilaris pontis is equipped with the support adjustment mechanism for being used to support and adjusting main bridge height, it is additionally provided with to realize that abutment body is shunk to walking or upwards so that support adjustment mechanism forms the lifting and travelling device that stable structure supports along tunnel aspect by extending downwardly on main bridge.Total is simple, and occupancy construction space is small, and support construction is stablized, and moving operation is convenient;Inverted arch construction efficiency can be effectively improved.

Description

Tunnel inverted arch construction bridge
Technical field
The utility model is related to tunnel inverted arch technical field of construction, particularly, are related to a kind of tunnel inverted arch construction bridge.
Background technology
Inverted arch is the reversed domes that tunnel bottom is arranged on to improve top supporting construction stress condition, is tunnel One of chief component of structure, it is on the one hand by the strata pressure on tunnel top by tunnel side wall structure or by road surface On load be efficiently transferred to underground, but also be reasonably resistant to the counter-force that tunnel understratum is transmitted.Inverted arch and secondary lining It builds and forms tunnel entirety, increase structural stability.
It is to ensure that inverted arch construction is carried out continuously and tunnel excavation is slagged tap that inverted arch trestle is set up in inverted arch box cut It is not influenced with transport of materials in hole by inverted arch excavation.
But the trestle used in construction has the following disadvantages at present:Inverted arch construction is needed by inverted arch template, concrete It is delivered between inverted arch template and inverted arch, it, need to be by extra means come casting concrete, need after concrete mixer opens trestle Want the difference in height between interim adjusting apparatus and inverted arch template, construction complexity and low construction efficiency.
Utility model content
The utility model provides a kind of tunnel inverted arch construction bridge, is answered with solving existing tunnel inverted arch trestle working procedure The technical issues of miscellaneous and low construction efficiency.
The utility model provides a kind of tunnel inverted arch construction bridge, and including abutment body, abutment body includes being used to form operation Platform simultaneously hovers over the main bridge of current construction section inverted arch position, is used to form front support and is supported on non-construction section inverted arch position It preceding access bridge and is used to form rear support and is supported on the rear access bridge of construction section inverted arch position, main pars basilaris pontis is equipped with and is used to support With the support adjustment mechanism for adjusting main bridge height, it is additionally provided with for by extending downwardly to realize that abutment body is indulged along tunnel on main bridge Laterally walking or upward contraction are so that support adjustment mechanism forms the lifting and travelling device of stable structure support.
Further, support adjustment mechanism is using one kind in lifting platform, jack, electric cylinder, hydraulic cylinder.
Further, lifting and travelling device includes telescoping mechanism and the walking mechanism set on telescoping mechanism end;It is flexible Mechanism is set on main bridge both sides or telescoping mechanism is set on main pars basilaris pontis.
Further, lifting and travelling device is connected to including what rotatable switching was adjusted on the support end of support adjustment mechanism At least one set of walking mechanism;Multigroup walking mechanism is uniformly distributed along the circumferential direction of support end.
Further, walking mechanism uses universal wheel or guide rail wheel.
Further, preceding access bridge and rear access bridge are rotationally connected with main bridge both ends respectively.
Further, it is equipped between main bridge and preceding access bridge for the preceding hawser for slinging preceding access bridge and preceding group of preceding electric block Close structure, the preceding electric cylinder for drawing the front stretching cylinder of access bridge before drawknot or for drawing access bridge before drawknot;And/or It is equipped with to sling the rear hawser of rear access bridge and the rear composite structure of rear electric block, draw for drawing between main bridge and rear access bridge The rear telescopic cylinder of access bridge or the rear electric cylinder for drawing access bridge after drawknot after knot.
Further, the free end of preceding access bridge and/or the free end of rear access bridge are equipped with for the fixed locating piece in bottom.
Further, at least one of preceding access bridge, main bridge, rear access bridge use the support shaped steel structure of more parallel arrangements Into;The upper surface of shaped steel and/or lower surface tiling is supported there are more Ribbed Bars of parallel arrangement or support the upper table of shaped steel Face and/or lower surface tiling have shape steel plate.
Further, main bridge include it is at least one be used for for pedestrian walk and set up monitoring test equipment foot bridge body with And at least one garage's pontic being used for for vehicle traveling and transported material;At least side of foot bridge body and/or garage's pontic At least side be equipped with for connecting fixed cross-connect.
The utility model has the advantages that:
The utility model tunnel inverted arch construction bridge is supported on non-construction section inverted arch position by preceding access bridge, draws after Bridge is supported on construction section inverted arch position, and support is stablized so that main bridge is suspended in current construction section inverted arch position in the both ends for forming main bridge The top put forms job platform using main bridge and the inverted arch of the current construction section inverted arch position of main pars basilaris pontis is facilitated to construct and grasps Make.By setting support adjustment mechanism in main pars basilaris pontis, supported with forming stablizing for main pars basilaris pontis, ensure construction safety and master The stability of bridge structure;And by the vertical adjustment of support adjustment mechanism, to adjust the height of main bridge, so as under trestle just Suitable operating space is provided in the inverted arch of construction.After the inverted arch construction of current construction section inverted arch position, by that will lift Running gear is released downwards, forms the walking mechanism of bottom, is applied with the inverted arch section that trestle is driven to move integrally into next stage Work.Total is simple, and occupancy construction space is small, and support construction is stablized, and moving operation is convenient;Inverted arch construction can be effectively improved Efficiency.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing for forming the part of the application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.In attached drawing In:
Fig. 1 is the schematic cross-sectional view of the tunnel inverted arch construction bridge of the utility model embodiment;
Fig. 2 is the overlooking the structure diagram of the tunnel inverted arch construction bridge of the utility model embodiment;
Fig. 3 is the structure diagram of the main bridge of the utility model embodiment.
Marginal data:
1st, abutment body;101st, main bridge;1011st, foot bridge body;1012nd, garage's pontic;102nd, preceding access bridge;1021st, preceding hawser; 1022nd, preceding electric block;103rd, rear access bridge;1031st, rear hawser;1032nd, rear electric block;2nd, support adjustment mechanism;3rd, it lifts Running gear;301st, telescoping mechanism;302nd, walking mechanism;4th, current construction section inverted arch position;5th, non-construction section inverted arch position;6、 Construction section inverted arch position;7th, locating piece;8th, shaped steel is supported;9th, Ribbed Bar;10th, shape steel plate;11st, cross-connect.
Specific embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by following The multitude of different ways for limiting and covering is implemented.
Fig. 1 is the schematic cross-sectional view of the tunnel inverted arch construction bridge of the utility model embodiment;Fig. 2 is that this practicality is new The overlooking the structure diagram of the tunnel inverted arch construction bridge of type embodiment;Fig. 3 is the structure of the main bridge of the utility model embodiment Schematic diagram.
As shown in Figure 1, the tunnel inverted arch construction bridge of the present embodiment, including abutment body 1, abutment body 1 includes being used to form Job platform simultaneously hovers over the main bridge 101 of current construction section inverted arch position 4, is used to form front support and be supported on non-construction section and face upward Encircle the preceding access bridge 102 of position 5 and be used to form rear support and be supported on the rear access bridge 103 of construction section inverted arch position 6, main bridge 101 bottoms, which are equipped with, is used to support and adjusts the support adjustment mechanism 2 of main 101 height of bridge, be additionally provided on main bridge 101 for pass through to Lower stretching is shunk to walking or upwards with realizing abutment body 1 along tunnel aspect so that the formation stable structure branch of support adjustment mechanism 2 The lifting and travelling device 3 of support.The utility model tunnel inverted arch construction bridge is supported on non-construction section inverted arch by preceding access bridge 102 Position 5 is supported on construction section inverted arch position 6 by rear access bridge 103, and support is stablized so that main bridge in the both ends for forming main bridge 101 101 are suspended in the top of current construction section inverted arch position 4, form job platform using main bridge 101 and facilitate main 101 bottom of bridge The inverted arch constructing operation of current construction section inverted arch position 4.By setting support adjustment mechanism 2 in main 101 bottom of bridge, to form master The stability stablized support, ensure 101 structure of construction safety and main bridge of 101 bottom of bridge;And pass through support adjustment mechanism 2 Vertical adjustment, to adjust the height of main bridge 101, so as to provide suitable operating space for the inverted arch of hot work in progress under trestle. After the inverted arch construction of current construction section inverted arch position 4, by the way that lifting and travelling device is released downwards, the walking of bottom is formed Mechanism 302 is constructed with the inverted arch section that trestle is driven to move integrally into next stage.Total is simple, occupies construction space Small, support construction is stablized, and moving operation is convenient;Inverted arch construction efficiency can be effectively improved.
As shown in figures 1 and 3, in the present embodiment, support adjustment mechanism 2 is using lifting platform, jack, electric cylinder, liquid One kind in air cylinder.Can as needed, range, loading capacity selection different type, different number and different distributions The support adjustment mechanism 2 of situation, to ensure the trestle overall structure stability and safety of structure during construction.
As depicted in figs. 1 and 2, in the present embodiment, lifting and travelling device 3 includes telescoping mechanism 301 and set on telescopic machine The walking mechanism 302 of 301 end of structure.Telescoping mechanism 301 is set on main 101 both sides of bridge or telescoping mechanism 301 is set on main bridge 101 Bottom.The vertical position of walking mechanism 302 is controlled by telescoping mechanism 301.When being constructed, telescoping mechanism 301 is received upwards Contracting, so that the setting height of walking mechanism 302, higher than support adjustment mechanism 2, walking mechanism 302 does not interfere with support adjusting machine The stability of strutting system of structure 2;After construction, telescoping mechanism 301 extends downwardly so that walking mechanism 302 is moved down and surpassed The bearing length of support adjustment mechanism 2 is crossed, entire trestle bottom is kept only by 302 rolling support of walking mechanism, to pass through at this time Trestle is pushed, may be such that trestle is moved to next inverted arch box cut.
As depicted in figs. 1 and 2, in the present embodiment, lifting and travelling device 3 is connected to support including what rotatable switching was adjusted At least one set of walking mechanism 302 on the support end of regulating mechanism 2.Multigroup walking mechanism 302 is uniformly divided along the circumferential of support end Cloth.By controlling the installation position of walking mechanism 302 to the rotation switching of walking mechanism 302.When needing to be moved to construction section When, part support adjustment mechanism 2 shrinks upwards and downwardly turns over walking mechanism 302 and serve as the support adjustment mechanism of the contraction The rolling support of 2 bottoms, after the switching of walking mechanism 302 of all 2 bottoms of support adjustment mechanism, trestle can pass through walking Mechanism 302 is movably walking.When being moved to construction section, part support adjustment mechanism 2 is shunk upwards, and walking mechanism 302 is to turning over The support adjustment mechanism 2 is extended downwardly and is supported to place while turning, successively by the vehicle with walking machine of all 2 bottoms of support adjustment mechanism After structure 302 switches, form support adjustment mechanism 2 stablizes support, ensures the inverted arch construction of current location.
As depicted in figs. 1 and 2, in the present embodiment, walking mechanism 302 uses universal wheel or guide rail wheel.It can be as needed Different walking manners is selected, to meet inverted arch construction demand, so as to improve construction efficiency.
As shown in Figure 1, in the present embodiment, preceding access bridge 102 and rear access bridge 103 are rotationally connected with main 101 both ends of bridge respectively.Before Access bridge 102 and rear access bridge 103 can be adjusted according to rotation to be adapted to different ground levels, so as to form stable support.Together When can also be lifted up when trestle is walked, to avoid to entire trestle walk form hinder.
As shown in Figure 1, before being equipped in the present embodiment, between main bridge 101 and preceding access bridge 102 for slinging preceding access bridge 102 The preceding composite structure of hawser 1021 and preceding electric block 1022, front stretching cylinder or use for drawing access bridge 102 before drawknot The preceding electric cylinder of access bridge 102 before drawknot is drawn;And/or it is equipped with to sling rear access bridge between main bridge 101 and rear access bridge 103 103 rear hawser 1031 and the rear composite structure of rear electric block 1032, the rear telescopic cylinder for drawing access bridge 103 after drawknot Or the rear electric cylinder for drawing access bridge 103 after drawknot.It can select as needed to preceding access bridge 102 and/or rear access bridge 103 lifting control modes, to meet inverted arch construction needs;The occupied space of lifting control structure can be also reduced simultaneously, avoided Inverted arch construction and trestle walking are formed and hindered.
As shown in Figure 1, in the present embodiment, the free end of preceding access bridge 102 and/or the free end of rear access bridge 103 are equipped with and are used for The fixed locating piece 7 in bottom.Ensure the stability of structural support.
As shown in figure 3, in the present embodiment, at least one of preceding access bridge 102, main bridge 101, rear access bridge 103 use more The support shaped steel 8 of parallel arrangement is formed;Support shaped steel 8 upper surface and/or lower surface tiling have more of parallel arrangement it is with ribbing Reinforcing bar 9 supports the upper surface of shaped steel 8 and/or lower surface tiling to have shape steel plate 10.Structure assembly is facilitated to make, structure Stability is good, and load carrying behaviour is strong, high recycling rate.
As shown in Fig. 2, in the present embodiment, main bridge 101 includes at least one be used for for pedestrian's walking and erection monitoring test The foot bridge body 1011 of instrument and at least one garage's pontic 1012 being used for for vehicle traveling and transported material.Foot bridge body 1011 at least side and/or at least side of garage's pontic 1012 are equipped with to connect fixed cross-connect 11.Accomplish Human and vehicle shunting ensures that construction safety orderly carries out, is unaffected each other, ensures construction personnel's safety.
During implementation, a kind of tunnel inverted arch construction bridge is provided, including opening for vehicle pass-through and for transport tunnel face It digs garage's pontic 1012 of dregs and area surface construction material requested etc. and is set up for walk and monitoring measurement instrument Foot bridge body 1011.Everyone manage it pontic 1011 and each garage's pontic 1012 include main bridge 101, preceding access bridge 102 and after draw Bridge 103.For hydraulic telescopic device (support adjustment mechanism 2) for being lifted or reducing trestle height, main purpose is in order to trestle The inverted arch of lower hot work in progress provides suitable operating space.After treating current construction section inverted arch construction, it is (preceding to start electric block Electric block 1022 and rear electric block 1032) preceding access bridge 102 and rear access bridge 103 are sling, and fall scalable walking dress Putting (lifting and travelling device) moves forward trestle, continues next inverted arch section of constructing.This tunnel inverted arch construction bridge, using people Vehicle detaches, convenient and safe, improves construction efficiency.Trestle height can need to adjust according to construction site.Trestle after construction It can voluntarily walk, usage mining machine or weight carrier is avoided to draw.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of tunnel inverted arch construction bridge, including abutment body (1),
The abutment body (1) is including being used to form job platform and hovering over the main bridge of current construction section inverted arch position (4) (101), it is used to form front support and is supported on the preceding access bridge (102) of non-construction section inverted arch position (5) and is propped up after being used to form The rear access bridge (103) of construction section inverted arch position (6) is supportted and is supported on,
It is characterized in that,
Host bridge (101) bottom is equipped with the support adjustment mechanism (2) for being used to support and adjusting host bridge (101) height, institute State be additionally provided on main bridge (101) for by extend downwardly with realize the abutment body (1) along tunnel aspect to walking or upwards It shrinks so that the support adjustment mechanism (2) forms the lifting and travelling device (3) of stable structure support.
2. inverted arch construction bridge in tunnel according to claim 1, which is characterized in that
The support adjustment mechanism (2) is using one kind in lifting platform, jack, electric cylinder, hydraulic cylinder.
3. inverted arch construction bridge in tunnel according to claim 1, which is characterized in that
The lifting and travelling device (3) includes telescoping mechanism (301) and the vehicle with walking machine set on the telescoping mechanism (301) end Structure (302);
The telescoping mechanism (301) is set on host bridge (101) both sides or the telescoping mechanism (301) set on host bridge (101) bottom.
4. inverted arch construction bridge in tunnel according to claim 1, which is characterized in that
The support end that is connected to the support adjustment mechanism (2) of the lifting and travelling device (3) including rotatably switching adjusting On at least one set of walking mechanism (302);
Multigroup walking mechanism (302) is uniformly distributed along the circumferential direction of support end.
5. the tunnel inverted arch construction bridge according to claim 3 or 4, which is characterized in that
The walking mechanism (302) is using universal wheel or guide rail wheel.
6. inverted arch construction bridge in tunnel according to any one of claim 1 to 4, which is characterized in that
The preceding access bridge (102) and the rear access bridge (103) are rotationally connected with host bridge (101) both ends respectively.
7. inverted arch construction bridge in tunnel according to claim 6, which is characterized in that
The preceding hawser for slinging the preceding access bridge (102) is equipped between host bridge (101) and the preceding access bridge (102) (1021) and the preceding composite structure of preceding electric block (1022), the front stretching cylinder for drawing preceding access bridge (102) described in drawknot Or the preceding electric cylinder for drawing preceding access bridge (102) described in drawknot;And/or
The rear hawser for slinging the rear access bridge (103) is equipped between host bridge (101) and the rear access bridge (103) (1031) and the rear composite structure of rear electric block (1032), the rear telescopic cylinder for access bridge (103) after drawing described in drawknot Or the rear electric cylinder for drawing rear access bridge (103) described in drawknot.
8. inverted arch construction bridge in tunnel according to claim 6, which is characterized in that
The free end of the preceding access bridge (102) and/or the free end of the rear access bridge (103) are equipped with for the fixed positioning in bottom Part (7).
9. inverted arch construction bridge in tunnel according to any one of claim 1 to 4, which is characterized in that
At least one of the preceding access bridge (102), host bridge (101), the rear access bridge (103) use more parallel arrangements Support shaped steel (8) form;
The upper surface of the support shaped steel (8) and/or lower surface tiling have more Ribbed Bars (9) of parallel arrangement, Huo Zhesuo There are shape steel plate (10) in the upper surface and/or lower surface tiling for stating support shaped steel (8).
10. inverted arch construction bridge in tunnel according to any one of claim 1 to 4, which is characterized in that
Host bridge (101) includes at least one foot bridge body (1011) for being used to that monitoring test equipment to be walked and set up for pedestrian And at least one garage's pontic (1012) being used for for vehicle traveling and transported material;
At least side of the foot bridge body (1011) and/or at least side of garage's pontic (1012) are equipped with to connect Fixed cross-connect (11).
CN201721417597.5U 2017-10-30 2017-10-30 Tunnel inverted arch construction bridge Expired - Fee Related CN207582276U (en)

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Application Number Priority Date Filing Date Title
CN201721417597.5U CN207582276U (en) 2017-10-30 2017-10-30 Tunnel inverted arch construction bridge

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502362A (en) * 2018-11-12 2019-03-22 湖南五新模板有限公司 A kind of inverted arch trestle and its conveyer method convenient for whole Transporting
CN111411571A (en) * 2020-06-05 2020-07-14 王�华 Movable is construction pavement for river regulation
CN111549645A (en) * 2020-05-28 2020-08-18 杭州恒来源净水设备有限公司 Quick bridging equipment suitable for open-air abominable area
CN111794079A (en) * 2020-07-02 2020-10-20 张丁昌 Temporary bridge capable of passing through vehicles based on bridge construction
CN112281774A (en) * 2020-10-23 2021-01-29 四川港航建设工程有限公司 Inverted arch finalized formwork system and construction method
CN112376389A (en) * 2020-11-06 2021-02-19 湖南五新模板有限公司 Trestle suitable for circular tunnel construction
CN114411525A (en) * 2021-12-31 2022-04-29 湖南五新模板有限公司 Large-span inverted arch construction stepping hydraulic trestle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502362A (en) * 2018-11-12 2019-03-22 湖南五新模板有限公司 A kind of inverted arch trestle and its conveyer method convenient for whole Transporting
CN109502362B (en) * 2018-11-12 2024-03-26 湖南五新模板有限公司 Inverted arch trestle convenient for integral transportation and transportation method thereof
CN111549645A (en) * 2020-05-28 2020-08-18 杭州恒来源净水设备有限公司 Quick bridging equipment suitable for open-air abominable area
CN111411571A (en) * 2020-06-05 2020-07-14 王�华 Movable is construction pavement for river regulation
CN111794079A (en) * 2020-07-02 2020-10-20 张丁昌 Temporary bridge capable of passing through vehicles based on bridge construction
CN112281774A (en) * 2020-10-23 2021-01-29 四川港航建设工程有限公司 Inverted arch finalized formwork system and construction method
CN112376389A (en) * 2020-11-06 2021-02-19 湖南五新模板有限公司 Trestle suitable for circular tunnel construction
CN114411525A (en) * 2021-12-31 2022-04-29 湖南五新模板有限公司 Large-span inverted arch construction stepping hydraulic trestle
CN114411525B (en) * 2021-12-31 2024-04-30 湖南五新模板有限公司 Large-span inverted arch construction stepping hydraulic trestle

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Granted publication date: 20180706

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