CN103195450B - Hydraulic pressure tunnel invert operation trolley and inverted arch construction method - Google Patents

Hydraulic pressure tunnel invert operation trolley and inverted arch construction method Download PDF

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Publication number
CN103195450B
CN103195450B CN201310114445.8A CN201310114445A CN103195450B CN 103195450 B CN103195450 B CN 103195450B CN 201310114445 A CN201310114445 A CN 201310114445A CN 103195450 B CN103195450 B CN 103195450B
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template
hinged
hydraulic pressure
oil cylinder
girder
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CN103195450A (en
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瞿伦建
沈承福
刘江涛
李可军
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Hunan Yuandong Steel Mould Co ltd
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Hunan Yuandong Steel Mould Electronic Science & Technology Co Ltd
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Abstract

The invention discloses a kind of hydraulic pressure tunnel invert operation trolley and inverted arch construction method, hydraulic pressure tunnel invert operation trolley comprises girder, multiple template and at least three row's screw mandrels, each described template comprises the first template and the second template, first template and the second template hinged, multiple template is connected to become one overall in hinged mode; The upper end of described girder is provided with two tailstocks, the two ends of each tailstock respectively with the upper end thereof of a hoist cylinder, the template of lower end respectively with corresponding of two hoist cylinders is hinged, described girder corresponds to two tailstock places and be also provided with two control cage, one end of control cage and translation oil cylinder is hinged, the other end and two tailstocks of translation oil cylinder are hinged with the hoist cylinder of one end, and three described row screw mandrel lower ends are hinged on two ends and the middle part of template respectively, and upper end is all hinged on girder.The present invention is simple to operate, accelerate tunnel invert construction speed and improve inverted arch construction quality.

Description

Hydraulic pressure tunnel invert operation trolley and inverted arch construction method
Technical field
The present invention relates to a kind of hydraulic pressure tunnel invert operation trolley for highway, water conservancy, railway tunnel work and inverted arch construction method.
Background technology
Inverted arch is one of chief component of tunnel structure, is lining cutting basis conventional in current constructing tunnel.Load on tunnel upper formation pressure and road surface effectively will be delivered to underground by tunnel side wall structure by the one hand, also will effectively resist the counter-force transmitted understratum on the other hand, therefore the stability of inverted arch to whole tunnel plays vital effect.Therefore the inverted arch in tunnel is constructed the important step become in whole constructing tunnel process, and in the work progress of inverted arch, and invert operation trolley is wherein requisite construction equipment.
In existing constructing tunnel, usually invert operation trolley used comprises girder truss, some templates and screw mandrel, each template is mutually permanently connected into and is integrated, girder truss comprises crossbeam and vertical supports, crossbeam and vertical supports are welded as a whole, and vertical supports is stood on ground or the inverted arch that completed, with the whole inverted arch mould bases of support bearing, the two ends of screw mandrel are fixedly connected with template with described crossbeam respectively, thus whole mould bases is by 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, then install inverted arch mould bases, and the construction completed inverted arch by placing of concrete below template.
When adopting above-mentioned invert operation trolley to construct to inverted arch, owing to being that the mode that is fixedly connected with is formed by connecting one between each template, therefore, during use, template is difficult to location, and after once having constructed to inverted arch, template needs entirety to carry out dismounting operation, so that carry out constructing operation next time, labour like this has high input and efficiency is low; The bearing capacity of existing inverted arch mould bases is large not in addition, thus the length of the inverted arch that makes once to construct is shorter, extends the time of inverted arch construction; And due to bearing capacity large not, whole inverted arch mould bases is carrying out, in inverted arch work progress, being easily out of shape, and makes to have a greatly reduced quality to the supporting role of template, easily makes template offset, thus affect inverted arch construct after quality.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of hydraulic pressure tunnel invert operation trolley simple to operate and inverted arch construction method, both having improve the construction speed in tunnel, and turn improved the construction quality in tunnel.
The technical solution used in the present invention is: a kind of hydraulic pressure tunnel invert operation trolley, comprise girder, multiple template and at least three row's screw mandrels, each described template comprises the first template and the second template, the first template and the second template hinged, multiple template is connected to become one overall in hinged mode; Described girder comprises crossbeam and vertical supports, and described crossbeam and vertical supports are connected to one; The upper end of described girder is provided with two tailstocks, the two ends of each tailstock respectively with the upper end thereof of a hoist cylinder, the template of lower end respectively with corresponding of two hoist cylinders is hinged, described girder corresponds to two tailstock places and be also provided with two control cage, one end of control cage and translation oil cylinder is hinged, the other end and two tailstocks of translation oil cylinder are hinged with the hoist cylinder of one end, and three described row screw mandrel lower ends are hinged on two ends and the middle part of template respectively, and upper end is all hinged on girder.
In above-mentioned hydraulic pressure tunnel invert operation trolley, described template is provided with logical beam with screw mandrel hinged place, the length of logical beam is all template length sums.
In above-mentioned hydraulic pressure tunnel invert operation trolley, the both sides, front end of described girder are equipped with a forward foot in a step, and each forward foot in a step comprises supporting leg and bearing, supporting leg is packed in girder front end, bearing is sleeved on the outside of supporting leg, supporting leg and bearing is equipped with pin hole, is connected by pin; The lower end of described bearing is provided with threaded base.
In above-mentioned hydraulic pressure tunnel invert operation trolley, the both sides, rear end of described girder are equipped with a rear foot assembly, and each rear foot assembly comprises two supporting legs, support oil cylinder and roller; Two supporting legs and support oil cylinder are packed in main beam rear end; Support oil cylinder is between two supporting legs, and the lower end of support oil cylinder is connected with roller by shoulder pole.
In above-mentioned hydraulic pressure tunnel invert operation trolley, the upper end of described template is provided with waterstop holder, and waterstop holder comprises cramping body and binding clip, and binding clip is hinged on cramping body.
The inverted arch construction method of hydraulic pressure tunnel invert operation trolley is utilized to comprise the steps:
1) needing the position excavation pit that inverted arch is set, and must remove totally to the empty slag, foreign material, ponding etc. in foundation ditch; Then inverted arch steelframe is set in foundation ditch;
2) by place for hydraulic pressure tunnel invert operation trolley, ensure line parallel in hydraulic pressure tunnel invert operation trolley and tunnel foundation ditch, primer fluid pressing system, packs up support oil cylinder and adjusts girder level;
3) operate hydraulic system, hoist cylinder declined and adjusts template, making template close to predetermined altitude, install two row's screw mandrels at template two ends;
4) operate hydraulic system, make translation oil cylinder action adjust template and reach inverted arch elevation location, after complete operation, screw two row's screw mandrels at template two ends, the row's screw mandrel in the middle of installation form;
5) by all oil cylinder releases, then to fill concrete in the gap between tunnel, lining cutting position and template, one-time-concreting completes;
6) remove the screw mandrel of hydraulic pressure tunnel invert operation trolley, operation hydraulic system, makes hoist cylinder action, climbing shuttering, the demoulding;
7) operate hydraulic system, support oil cylinder is stretched out, the supporting leg of rear foot assembly is propped up, lifting hydraulic pressure tunnel invert operation trolley front end, moved to next place's construction location.
The invention has the beneficial effects as follows: template of the present invention is connected with girder by lift cylinder, structure is simple, can realize template " float and put ", and location is fast; The present invention is after inverted arch construction completes, hoist cylinder can be packed up the demoulding, no longer need the constructing operation of the formwork assembling and disassembling operation of entirety being carried out to next place, alleviate the labour intensity of workman, and make to serve as a contrast be connected with inverted arch two or abutment wall carries out construction and separates, ensure that two linings, abutment wall be connected with inverted arch base plate smoother can't faulting of slab ends, improve the quality of inverted arch construction; In addition, template is accepted two linings or abutment wall is constructed, both made inverted arch serve as a contrast with two or the constructing operation of abutment wall is separated and carried out, while do not affect again the speed of whole constructing tunnel, improve the progress that inverted arch is constructed.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is the structure chart of demoulding state of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, 2, the present invention includes girder 1, multiple template 2 and three row's screw mandrels 3, it is hinged that each described template 2 comprises the first template 21 and the second template 22, first template 21 and the second template 22, and multiple template 2 is connected to become an entirety in hinged mode; Described girder 1 comprises crossbeam 12 and vertical supports 11, and described crossbeam 12 is connected to one with vertical supports 11; The upper end of described girder 1 is provided with two tailstocks 4, the two ends of each tailstock 3 respectively with the upper end thereof of a hoist cylinder 41, the template 2 of lower end respectively with corresponding of hoist cylinder 41 is hinged.Described girder 1 corresponds to two tailstock 4 places and be also provided with two control cage 13, control cage 13 is hinged with one end of translation oil cylinder 14, the other end and two tailstocks 4 of translation oil cylinder 14 are hinged with the hoist cylinder 41 of one end, described three row screw mandrel 3 lower ends respectively with the two ends of template 2 and middle part hinged, upper end is all hinged on girder 1.
The both sides, front end of described girder 1 are equipped with a forward foot in a step 5, each forward foot in a step 5 comprises two supporting legs 61 and two bearings 62, supporting leg 61 is packed in girder 1 front end, bearing 52 is sleeved on the outside of supporting leg 61, supporting leg 61 and bearing 62 are equipped with pin hole 64, spacing between adjacent pin nail 64 is equal, and supporting leg 61 is connected by pin with bearing 62; The lower end of described bearing 62 is provided with threaded base 63.
The both sides, rear end of described girder 1 are equipped with a rear foot assembly 5, and each rear foot assembly 5 comprises two supporting legs 54, support oil cylinder 53 and roller 51; Two supporting legs 54 and support oil cylinder 53 are packed in the rear end of girder 1; Support oil cylinder 53 is between two supporting legs 54, and the lower end of support oil cylinder 53 is connected with roller 51 by shoulder pole 52.
Described template 2 is provided with logical beam 23 with screw mandrel 3 hinged place, and the length of logical beam 23 is all template 2 length sums.The upper end of described template 2 is provided with waterstop holder 24, and waterstop holder 24 comprises cramping body 241 and binding clip 242, and binding clip 242 is hinged on cramping body 241.
The step that use the present invention carries out inverted arch construction is as follows:
1) needing the position excavation pit that inverted arch is set, and must remove totally to the empty slag, foreign material, ponding etc. in foundation ditch; Then inverted arch steelframe is set in foundation ditch;
2) by place for hydraulic pressure tunnel invert operation trolley, ensure line parallel in hydraulic pressure tunnel invert operation trolley and tunnel foundation ditch, primer fluid pressing system, packs up support oil cylinder 53 and adjusts girder 1 level;
3) operate hydraulic system, hoist cylinder 41 declined and adjusts template 2, making template 2 close to predetermined altitude, install two row's screw mandrels 3 at template 2 two ends;
4) operate hydraulic system, make translation oil cylinder 14 action adjust template 2 and make it reach inverted arch elevation location, after complete operation, screw two row's screw mandrels 3 at template 2 two ends, the row's screw mandrel 3 in the middle of installation form 2;
5) by all oil cylinder releases, then to fill concrete in the gap between tunnel, lining cutting position and template;
6) remove the screw mandrel 3 of hydraulic pressure tunnel invert operation trolley, operation hydraulic system, makes hoist cylinder 41 action, climbing shuttering 2, the demoulding;
7) operate hydraulic system, support oil cylinder 53 is stretched out, the supporting leg 54 of rear foot assembly is propped up, lifting hydraulic pressure tunnel invert operation trolley front end, moved to next place's construction location.

Claims (6)

1. a hydraulic pressure tunnel invert operation trolley, it is characterized in that: comprise girder, multiple template and at least three row's screw mandrels, each described template comprises the first template and the second template, the first template and the second template hinged, multiple template is connected to become one overall in hinged mode; Described girder comprises crossbeam and vertical supports, and described crossbeam and vertical supports are connected to one; The upper end of described girder is provided with two tailstocks, the two ends of each tailstock are hinged with one end of a hoist cylinder respectively, the template of the other end respectively with corresponding of two hoist cylinders is hinged, described girder corresponds to two tailstock places and be also provided with two control cage, one end of control cage and translation oil cylinder is hinged, the other end and two tailstocks of translation oil cylinder are hinged with the hoist cylinder of one end, and three described row screw mandrel lower ends are hinged on two ends and the middle part of template respectively, and upper end is all hinged on girder.
2. hydraulic pressure tunnel invert operation trolley as claimed in claim 1, is characterized in that: described template is provided with logical beam with screw mandrel hinged place, and the length of logical beam is all template length sums.
3. hydraulic pressure tunnel invert operation trolley as claimed in claim 1, it is characterized in that: the both sides, front end of described girder are equipped with a forward foot in a step, each forward foot in a step comprises supporting leg and bearing, supporting leg is packed in girder front end, bearing is sleeved on the outside of supporting leg, supporting leg and bearing are equipped with pin hole, are connected by pin; The lower end of described bearing is provided with threaded base.
4. hydraulic pressure tunnel invert operation trolley as claimed in claim 1, is characterized in that: the both sides, rear end of described girder are equipped with a rear foot assembly, and each rear foot assembly comprises two supporting legs, support oil cylinder and roller; Two supporting legs and support oil cylinder are packed in main beam rear end; Support oil cylinder is between two supporting legs, and the lower end of support oil cylinder is connected with roller by shoulder pole.
5. hydraulic pressure tunnel invert operation trolley as claimed in claim 1, is characterized in that: the upper end of described template is provided with canvas cloth holder, and canvas cloth holder comprises cramping body and binding clip, and binding clip is hinged on cramping body.
6. a tunnel invert construction method, comprises the steps:
1) needing the position excavation pit that inverted arch is set, and must remove totally to the empty slag in foundation ditch, foreign material, ponding; Then inverted arch steelframe is set in foundation ditch;
2) by place for hydraulic pressure tunnel invert operation trolley, ensure line parallel in hydraulic pressure tunnel invert operation trolley and tunnel foundation ditch, primer fluid pressing system, packs up support oil cylinder and adjusts girder level;
3) operate hydraulic system, hoist cylinder declined and adjusts template, making template close to predetermined altitude, install two row's screw mandrels at template two ends;
4) operate hydraulic system, make translation oil cylinder action adjust template and reach inverted arch elevation location, after complete operation, screw two row's screw mandrels at template two ends, the row's screw mandrel in the middle of installation form;
5) by all oil cylinder releases, then to fill concrete in the gap between tunnel, lining cutting position and template, one-time-concreting completes;
6) remove the screw mandrel of hydraulic pressure tunnel invert operation trolley, operation hydraulic system, makes hoist cylinder action, climbing shuttering, the demoulding;
7) operate hydraulic system, support oil cylinder is stretched out, the supporting leg of rear foot assembly is propped up, lifting hydraulic pressure tunnel invert operation trolley front end, moved to next place's construction location.
CN201310114445.8A 2013-04-03 2013-04-03 Hydraulic pressure tunnel invert operation trolley and inverted arch construction method Active CN103195450B (en)

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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
CN104564103B (en) * 2014-12-12 2017-01-18 中铁十九局集团有限公司 Positioning device for dismounting tunnel inverted arch back mold
CN104514569B (en) * 2014-12-12 2017-02-22 中铁十九局集团有限公司 Integral mounting, positioning and moving trolley for inverted arch back mould of high-speed railway tunnel
CN106677802B (en) * 2016-12-28 2018-07-24 浙江沧海建设有限公司 The construction method of tunnel inverted arch pouring structure
CN106988762B (en) * 2017-05-11 2023-08-01 四川省创力隧道机械设备有限公司 Full-section two-lining inverted arch shield equipment
CN108150197B (en) * 2018-02-05 2024-04-05 中铁隧道集团一处有限公司 Radial overturning inverted arch trestle of arc-shaped template and mounting, positioning and demolding method thereof
CN108643942B (en) * 2018-07-16 2023-11-10 西安科技大学 A hydraulically adjustable temporary invert
CN111749712B (en) * 2020-07-08 2021-10-19 长沙理工大学 A kind of tunnel construction equipment
CN111779506B (en) * 2020-07-08 2022-06-17 中铁二十局集团有限公司 Rotatable inverted arch template
CN111749710B (en) * 2020-07-08 2021-10-19 长沙理工大学 Tunnel construction process

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Address after: 411300 Hunan province Shaoshan Fuyuan Road hi tech Development Zone

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