CN102787850A - Inverted arch formwork for tunnel inverted arch construction - Google Patents
Inverted arch formwork for tunnel inverted arch construction Download PDFInfo
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- CN102787850A CN102787850A CN2012103116674A CN201210311667A CN102787850A CN 102787850 A CN102787850 A CN 102787850A CN 2012103116674 A CN2012103116674 A CN 2012103116674A CN 201210311667 A CN201210311667 A CN 201210311667A CN 102787850 A CN102787850 A CN 102787850A
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- inverted arch
- mould bases
- girder
- template
- crossbeam
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Abstract
The invention discloses an inverted arch formwork for tunnel inverted arch construction. The inverted arch formwork comprises a truss beam, a plurality of templates and lead screws, wherein the templates are mutually connected into a whole to be installed on an inverted arch to be constructed. The truss beam comprises a transverse beam and a vertical support, wherein the transverse beam and the vertical support are welded into a whole, and the vertical support is erected on the ground or the constructed inverted arch. Two ends of the lead screws are respectively connected with the transverse beam and the templates. The inverted arch formwork is characterized in that the templates are mutually connected into a whole in a hinge mode. The inverted arch formwork for the tunnel inverted arch construction is simple in structure. By means of the inverted arch formwork for tunnel inverted arch construction, the construction progress of the tunnel inverted arch is accelerated, construction quality of the inverted arch is improved, and engineering cost is reduced.
Description
Technical field
The present invention relates to the constructing tunnel field, especially relate to a kind of inverted arch mould bases that is used for the tunnel invert construction.
Background technology
In constructing tunnel, inverted arch construction quality and progress speed will influence the quality and the progress of follow-up operations such as waterproofing system, two linings.Therefore the construction of the inverted arch in tunnel becomes the important step in the whole constructing tunnel process, and in the work progress of inverted arch, the inverted arch mould bases is wherein requisite construction equipment.
In existing constructing tunnel, used inverted arch mould bases comprises girder truss, some templates and screw mandrel usually, and each template is mutually permanently connected and becomes one; Girder truss comprises crossbeam and vertical supports; Crossbeam and vertical supports are welded as a whole, vertical supports stand on ground or the inverted arch that completed on, with the whole inverted arch mould bases of support bearing; The two ends of screw mandrel are fixedly connected with template with said crossbeam respectively, thereby whole mould bases passes through screw mandrel and support shuttering.Before the installing of inverted arch mould bases, at the corresponding reinforcing bar of inverted arch position of sound production, install the inverted arch mould bases then, and through accomplishing the construction to inverted arch to template below placing of concrete.
When adopting above-mentioned inverted arch mould bases that inverted arch is constructed; Owing to be between each template with the mode that the is fixedly connected one that is formed by connecting; Therefore, after inverted arch once constructed, template needed integral body carry out the dismounting operation; So that carry out constructing operation next time, so the labour have high input and efficient low; The bearing capacity of existing in addition inverted arch mould bases is big inadequately, thereby the length of the feasible inverted arch of once constructing is shorter, has prolonged the time of inverted arch construction; And because bearing capacity is big inadequately, whole inverted arch mould bases is in carrying out the inverted arch work progress, and easy deformation makes the supporting role of template is had a greatly reduced quality, and makes the template skew easily, thereby influences the quality after the inverted arch construction.
Therefore, to the problems referred to above, the inverted arch mould bases that is necessary to provide a kind of improved tunnel that is used for constructing tunnel is to overcome above-mentioned defective.
Summary of the invention
The purpose of this invention is to provide a kind of inverted arch mould bases that is used for tunnel invert construction, the inverted arch mould bases that is used for the tunnel invert construction of the present invention is simple to operate, the tunnel invert construction speed, improved the quality of inverted arch construction, reduces engineering cost.
For realizing above-mentioned purpose, the present invention provides a kind of inverted arch mould bases that is used for the tunnel invert construction, comprises girder truss, some templates and screw mandrel; Each said template interconnects and becomes one; Be installed on the inverted arch to be constructed, said girder truss comprises crossbeam and vertical supports, and said crossbeam and vertical supports are connected to one; Said vertical supports stand on ground or the inverted arch that completed on; The two ends of said screw mandrel are connected with template with said crossbeam respectively, and wherein, flexibly connecting with the mode of hinge between each template is one.
Preferably, said girder truss also comprises a hog frame, and said hog frame is fixedly installed on the said crossbeam.
Preferably; Said hog frame comprises horizontal girder and a plurality of angle steel; Said horizontal girder is the direction extension along the tunnel, and the upper end of each said angle steel all is fixedly connected with said horizontal girder, and the upper end of per two said angle steel is welded to each other and is one; And the lower end of said angle steel is welded on the said crossbeam, and makes said hog frame triangular in shape.
Preferably; Said hog frame also comprises vertical girder; Said vertical girder is perpendicular to said horizontal girder, and the two ends of said vertical girder are fixedly connected with crossbeam with said horizontal girder respectively, and said vertical girder is being welded to each other between two angle steel of one.
Preferably, be installed with some hoists on the said crossbeam, an end of each said screw mandrel and corresponding said hoist articulate, and the other end of said screw mandrel is fixedly connected with template corresponding.
Preferably; The outward-dipping connection otic placode that extends to form of the interconnective end of said template offer through hole on the said connection otic placode, and the through hole of interconnective two templates is over against coincidence; One pin passes two said through holes, so that the mode of two said templates with hinge connected as one.
Preferably, also offer at least one window on the said template.
Preferably, the lower end of said vertical supports also is equipped with a plurality of wheels, the removable said inverted arch mould bases of the said wheel that rolls.
Beneficial effect of the present invention:The inverted arch mould bases that is used for the tunnel invert construction of the present invention; Owing to be that mode with hinge flexibly connects between each template is one; Make in the inverted arch work progress in tunnel, can in construction, will accomplish the template of construction part and fold up, thereby can separately construct two linings or the abutment wall that are connected with inverted arch; Guaranteed that two linings, abutment wall are connected circle along can't faulting of slab ends with the inverted arch base plate, improved the quality of inverted arch construction; In addition, said template folded up two linings or abutment wall are constructed, inverted arch is separated with two linings or the constructing operation of abutment wall carried out, do not influence the speed of whole constructing tunnel simultaneously again, improved the progress that inverted arch is constructed.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings:
Fig. 1 is used for the structured flowchart of the inverted arch mould bases of tunnel invert construction for the present invention.
Fig. 2 is the enlarged drawing of A part shown in Figure 2.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to Fig. 1, Fig. 1 is used for the structured flowchart of the inverted arch mould bases of tunnel invert construction for the present invention.As shown in the figure, the inverted arch mould bases in tunnel of the present invention comprises girder truss 100, a plurality of template 200 and screw mandrel 300.Each said template 200 interconnects and becomes one, is installed on the inverted arch to be constructed, thus can be through accomplishing construction to inverted arch to a side placing of concrete of said template 200 vicinities inverted arch to be constructed; Said girder truss 100 comprises vertical supports 110 and crossbeam 120, said vertical supports 110 stand on ground or the inverted arch that completed on, supporting whole inverted arch mould bases, and said vertical supports 110 is welded by a plurality of steel pipes, and is tetragonal frame-like; Said crossbeam 120 is installed on the upper end of said vertical supports 110; And be connected to one with said vertical supports 110; Wherein, The two ends of said screw mandrel 300 are connected with template 200 with said crossbeam 120 respectively, thereby said girder truss 100 passes through each said screw mandrel 300 and each said template 200 of respective support, to cooperate the constructing operation of accomplishing inverted arch.
Particularly, please combine again with reference to figure 2.
Said girder truss 100 also comprises hog frame 130; Said reinforcement 130 is fixedly installed on the said crossbeam 120; Strengthening the carrying dynamics of whole inverted arch mould bases, make can the whole inverted arch mould bases of corresponding prolongation entire length, thereby when using inverted arch mould bases of the present invention to carry out the inverted arch construction; Once corresponding prolongation of inverted arch length of construction improved the progress of inverted arch construction; In addition, after the carrying dynamics of whole inverted arch mould bases was reinforced, in the work progress of inverted arch, whole inverted arch mould bases was because of the amplitude of stress deformation and possibly all reduce greatly, has improved the quality of inverted arch construction.Wherein, Said hog frame 130 comprises horizontal girder 131, a plurality of angle steel 132 and vertical girder 133; The lower end of each said angle steel 132 all is welded on the said crossbeam 120; And the upper end of per two said angle steel 132 is welded to each other into one and with said horizontal girder 131 and is fixedly connected; Separate shape and make said hog frame 130 be three, thereby the carrying dynamics of more having advanced to strengthen whole inverted arch mould bases and stability prevent in the inverted arch work progress excessive whole inverted arch mould bases to be deformed because of stressed; Said vertical girder 133 is perpendicular to said horizontal girder 131; Wherein, The two ends of said vertical girder 133 are fixedly connected with crossbeam 120 with said horizontal girder 131 respectively, and said vertical girder 133 is being welded to each other between two angle steel 132 of one, thereby said vertical girder 133 is under the overall structure of keeping whole hog frame 130 situation triangular in shape; Further strengthen the carrying dynamics and stability of whole inverted arch mould bases, guaranteed the quality of inverted arch construction.In addition, said horizontal girder 131 is the direction extension along the tunnel, thereby can on said horizontal girder 131, connect a plurality of vertical girders 133 and the angle steel 132 that is welded in one in twos, to be adapted to the length of whole inverted arch mould bases.In preferred implementation of the present invention; Said vertical supports 110 lower ends also are equipped with a plurality of wheels (figure does not show); After said inverted arch mould bases is accomplished once construction; Can whole move said inverted arch mould bases apace and carry out follow-up constructing operation through rolling said wheel, accelerate the construction speed in whole tunnel.
Offer at least one window 210 on the said template 200; In the work progress of inverted arch; Can vibrate to inverted arch middle and lower part position concreting with to concrete through said window 210; Make the concrete of whole inverted arch fill more closely knitly, avoid having empty problem behind the concrete formation, improved the quality of inverted arch construction; Wherein, Outward-dipping the extending to form of said template 200 interconnective ends connects otic placode 220 (see figure 2)s; Offer through hole 221 on the said connection otic placode 220, and the through hole 221 of interconnective two templates 200 is over against coincidence, a pin passes two said through holes 221; Two said templates 200 can be rotated to the other side's direction around said pin; So that the mode of two templates 200 with hinge connected as one, thereby make said template 200 can fold and fold together, in work progress, can slowly fold through folding said template 200; Carry out thereby inverted arch can be separated with two linings and the construction of abutment wall, guaranteed two linings, abutment wall is connected with the inverted arch base plate justify suitable can't faulting of slab ends.
On said crossbeam, also be installed with a plurality of hoists 101, an end of said screw mandrel 300 is articulated on the said hoist 101, and the other end of said screw mandrel 300 is fixedly connected with said template 200; Thereby said screw mandrel 300 not only can support said template 200 with normally to the inverted arch placing of concrete, simultaneously in the process of placing of concrete, prevent concrete buoyancy and make said template 200 distortion; In addition in the process of folding said template 200; Said screw mandrel 300 rotates around said hoist 101; Thereby can template corresponding 200 be folded up through the rotation of said screw mandrel 300; Then two linings or the abutment wall that are connected with inverted arch are constructed, inverted arch is separated with the constructing operation of two linings or abutment wall carried out, do not influence the speed of whole constructing tunnel simultaneously again.
Disclosed arbitrary characteristic in this manual (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Claims (8)
1. an inverted arch mould bases that is used for the tunnel invert construction comprises girder truss, some templates and screw mandrel, and each said template interconnects and becomes one; Be installed on the inverted arch to be constructed, said girder truss comprises crossbeam and vertical supports, and said crossbeam and vertical supports are connected to one; Said vertical supports stand on ground or the inverted arch that completed on; The two ends of said screw mandrel are connected with template with said crossbeam respectively, it is characterized in that, flexibly connecting with the mode of hinge between each template is one.
2. be used for the inverted arch mould bases of tunnel invert construction according to claim 1, it is characterized in that said girder truss also comprises a hog frame, said hog frame is fixedly installed on the said crossbeam.
3. like the said inverted arch mould bases that is used for the tunnel invert construction of claim 2; It is characterized in that said hog frame comprises horizontal girder and a plurality of angle steel, said horizontal girder is the direction extension along the tunnel; The upper end of each said angle steel all is fixedly connected with said horizontal girder; The upper end of per two said angle steel is welded to each other and is one, and the lower end of said angle steel is welded on the said crossbeam, and makes said hog frame triangular in shape.
4. like the said inverted arch mould bases that is used for the tunnel invert construction of claim 3; It is characterized in that; Said hog frame also comprises vertical girder; Said vertical girder is perpendicular to said horizontal girder, and the two ends of said vertical girder are fixedly connected with crossbeam with said horizontal girder respectively, and said vertical girder is being welded to each other between two angle steel of one.
5. like the said inverted arch mould bases that is used for tunnel invert construction road of claim 2; It is characterized in that; Be installed with some hoists on the said crossbeam, an end of each said screw mandrel and corresponding said hoist articulate, and the other end of said screw mandrel is fixedly connected with template corresponding.
6. like the said inverted arch mould bases that is used for the tunnel invert construction of claim 2; It is characterized in that; The outward-dipping connection otic placode that extends to form of the interconnective end of said template offer through hole on the said connection otic placode, and the through hole of interconnective two templates is over against coincidence; One pin passes two said through holes, so that the mode of two said templates with hinge connected as one.
7. like the said inverted arch mould bases that is used for the tunnel invert construction of claim 2, it is characterized in that, also offer at least one window on the said template.
8. like the said inverted arch mould bases that is used for the tunnel invert construction of claim 2, it is characterized in that the lower end of said vertical supports also is equipped with a plurality of wheels, the removable said inverted arch mould bases of the said wheel that rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210311667.4A CN102787850B (en) | 2012-08-29 | 2012-08-29 | Inverted arch formwork for tunnel inverted arch construction |
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| CN201210311667.4A CN102787850B (en) | 2012-08-29 | 2012-08-29 | Inverted arch formwork for tunnel inverted arch construction |
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| CN102787850A true CN102787850A (en) | 2012-11-21 |
| CN102787850B CN102787850B (en) | 2014-12-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103195450A (en) * | 2013-04-03 | 2013-07-10 | 湖南远东钢模电子科技有限责任公司 | Hydraulic tunnel inverted arch operation trolley and inverted arch construction method |
| CN103352710A (en) * | 2013-07-25 | 2013-10-16 | 成都锐龙机械制造有限公司 | Suspension overturn type tunnel inverted arch formwork trolley and construction method thereof |
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN108150197A (en) * | 2018-02-05 | 2018-06-12 | 中铁隧道集团处有限公司 | Radially overturning inverted arch trestle and its installation position method for demoulding to arc formwork |
| CN112610241A (en) * | 2020-12-21 | 2021-04-06 | 上海市基础工程集团有限公司 | Self-driving template for casting shield tunnel concrete structure accessory |
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| JP2007291794A (en) * | 2006-04-27 | 2007-11-08 | Kumagai Gumi Co Ltd | Form device |
| CN101215970A (en) * | 2008-01-02 | 2008-07-09 | 中铁五局（集团）有限公司 | Tunnel invert operation trolley |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195450A (en) * | 2013-04-03 | 2013-07-10 | 湖南远东钢模电子科技有限责任公司 | Hydraulic tunnel inverted arch operation trolley and inverted arch construction method |
| CN103352710A (en) * | 2013-07-25 | 2013-10-16 | 成都锐龙机械制造有限公司 | Suspension overturn type tunnel inverted arch formwork trolley and construction method thereof |
| CN103352710B (en) * | 2013-07-25 | 2016-07-13 | 成都锐龙机械制造有限公司 | The convertible tunnel overhead arch mould plate trolley of a kind of suspension and construction method thereof |
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN106499411B (en) * | 2016-11-29 | 2019-02-12 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled suspension template and construction method |
| CN108150197A (en) * | 2018-02-05 | 2018-06-12 | 中铁隧道集团处有限公司 | Radially overturning inverted arch trestle and its installation position method for demoulding to arc formwork |
| CN112610241A (en) * | 2020-12-21 | 2021-04-06 | 上海市基础工程集团有限公司 | Self-driving template for casting shield tunnel concrete structure accessory |
| CN112610241B (en) * | 2020-12-21 | 2022-07-08 | 上海市基础工程集团有限公司 | Self-driving template for casting shield tunnel concrete structure accessory |
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| CN102787850B (en) | 2014-12-24 |
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