CN204851287U - Big section moving as a whole formula formwork support - Google Patents
Big section moving as a whole formula formwork support Download PDFInfo
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- CN204851287U CN204851287U CN201520553496.5U CN201520553496U CN204851287U CN 204851287 U CN204851287 U CN 204851287U CN 201520553496 U CN201520553496 U CN 201520553496U CN 204851287 U CN204851287 U CN 204851287U
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Abstract
The utility model discloses a big section moving as a whole formula formwork support, the scaffold of setting outside including at least a set of door type frame and following door type frame, door type frame all includes the bottom crossbeam with horizontal girder steel, every side supporting component, a plurality of stands on locating the bottom crossbeam, connects the channel -section steel of adjacent stand and locate the walking wheel of bottom crossbeam both ends below including the supporting component of locating both sides, and horizontal girder steel setting is on the top of the corresponding stand in both sides and fix through the bearing diagonal, the scaffold includes along vertical pole setting that sets up and follows the horizontal violently pipe that sets up that the pole setting is equipped with the support steel pipe with the cross junction of horizontal tubular one -tenth, the scaffold links to each other through welding AND gate type frame to horizontal stroke, vertical section drawknot through steel hinge AND gate type frame. The utility model discloses save full hall frame after the drawing of patterns demolish with the full hall frame of setting up once more of next working face, practice thrift artifical, save the time limit for a project, avoid unnecessary material loss, guaranteed construction quality simultaneously.
Description
Technical field
The utility model relates to road and bridge construction mechanical field, is specifically related to a kind of big cross section integral movable type falsework.
Background technology
At road and bridge construction mechanical field, the lining section relative standard section of some tunnel, main channel people's air defense transformation sections belongs to widened section lining cutting, as the lining sections of 70 meters widen about 4 meters relative to standard section, now the hydraulic lining trolley of standard section can not effectively use, if cost price is too high too for a long time again to process custom made forms lining trolley spended time, and adopt full hall scaffold construction can block construction passage, affect all the other work plane normal operations in hole, therefore consider to utilize current material, with gate vehicle frame for skeleton coordinates steel pipe scaffold for supporting, be combined into new support system, with satisfied construction demand, the relative full hall scaffold of construction like this more agrees with site operation demand, but every mould has been constructed, rear steel pipe scaffold is removed, again the time still wanting at substantial is set up, manpower.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, the utility model provides a kind of big cross section integral movable type falsework, and build process is simple, easy construction, improves operation process safety.
Technical scheme: big cross section integral movable type falsework described in the utility model, the scaffold comprising at least one group of gate vehicle frame and arrange along gate frame outside; Described gate vehicle frame comprises the supporting component and horizontal girder steel of being located at both sides, every collateral support component includes base cross members, the some root posts be located in base cross members, connect adjacent upright posts channel-section steel and to be located at below base cross members two ends and the running wheel faced with column, described horizontal girder steel is arranged on the top of the corresponding column in both sides and is fixed by the bearing diagonal be located between horizontal girder steel, column; Described scaffold comprises the vertical rod longitudinally arranged and the transverse tube transversely arranged, and the cross junction that vertical rod and transverse tube are formed is provided with supporting steel pipe; Described scaffold is connected with described gate vehicle frame by welding, and passes through horizontal stroke, the longitudinal section drawknot of steel hinge and described gate vehicle frame.By being as above arranged so that gate vehicle frame and scaffold form integral mold plate support, the basis of additional traction power being moved integrally along tunnel inner orbit, is met the construction requirement of big cross section.
Improve such scheme further, described gate vehicle frame and overall the drive by walking assembly of scaffold are moved along the rail in tunnel, and described walking assembly comprises Chain block and earth anchor; Described earth anchor described gate vehicle frame advance front with reverse 45 °, the degree of depth is that the mode of 3 meters is arranged, the fixing suspension hook of described Chain block is connected with described earth anchor, and the suspending weight suspension hook of described Chain block is connected with described gate vehicle frame.Chain block and earth anchor is adopted to provide traction power, easy construction as walking assembly, simple to operate.
Further, described column is provided with the fixing two button for fixing described channel-section steel, fixing two button is distributed in the top of described column, bottom and/or middle part, and the one end of the channel-section steel between adjacent upright posts is fixing by fixing two button of column top or bottom, the other end forms inclined shore by the fixing two button in the middle part of column is fixing.It is firm that the fixed form of gate vehicle frame ensures to move integrally with in work progress, improves the safety factor of construction.
Further, described steel hinge one end is connected with the end of described horizontal girder steel, the other end obliquely upward or tiltedly extends and is connected with described scaffold in below, keeps transverse direction, longitudinal separation with the end attachment of described horizontal girder steel simultaneously.By steel hinge drawknot gate vehicle frame and scaffold, make integral mold plate supporting structure firm, ensure the firm of construction quality and moving process.
For meeting large cross-section tunnel construction, preferably, adopting gate vehicle frame described in two groups, two groups of gate vehicle frames closely arrange successively along direction, tunnel; The every side of horizontal girder steel of described gate vehicle frame is by steel hinge and described scaffold drawknot described in three groups, and often organizing steel hinge is two, extends from the same tie point of described horizontal girder steel respectively to oblique upper, tiltedly below.
Further, described running wheel is rotary single-wheel body.Rotary single-wheel body is adopted to facilitate the movement of integral mold plate support.
The width of described gate vehicle frame is 4500mm, is highly 4700mm, and the adjacent spacing of column being positioned at homonymy is 1200mm.
Below described vertical rod, all pad is provided with flitch block.
Beneficial effect: compared with prior art, advantage of the present utility model: the utility model makes improvements further, optimizes on existing basis, the integral mold plate support that door shaped stent and scaffold are combined to form can realize monolithic push after completing a mould concreting, is equivalent to an artificial reconstructed lining trolley; This falsework system save the demoulding after full hall frame remove and subsequent work face again set up full hall frame, save manually, save the duration, avoid unnecessary spillage of material, ensure that construction quality simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of gate vehicle frame.
Fig. 2 is the lateral view of gate vehicle frame.
Fig. 3 is front view of the present utility model.
Fig. 4 is lateral view of the present utility model.
In figure: 1, horizontal girder steel, 2, column, 3, bearing diagonal, 4, running wheel, 5, channel-section steel, 6, support channel-section steel, 7, fixing two button, 8, base cross members, 21, transverse tube, 22, vertical rod, 23, supporting steel pipe, 24, steel hinge, 25, flitch block, 26, Chain block, 27, earth anchor, 31, steel form, 32, steel arch-shelf, 33, existing civil defence structure.
Detailed description of the invention
Below by accompanying drawing, technical solutions of the utility model are described in detail.
embodiment 1:the big cross section integral movable type falsework that the utility model provides, about 4 meters are widened for tunnel, main channel people's air defense transformation section 70 meters of lining sections, this lining section relative standard section, comprise the two groups of gate vehicle frames and scaffold that set gradually along direction, tunnel, the width of gate vehicle frame is 4500mm, is highly 4700mm.One group of gate vehicle frame as shown in Figure 1 and Figure 2, be included in base cross members 8 that every side arranges, four root posts 2 be located in base cross members, position just right with column 2 below base cross members 8 two ends be provided with running wheel 4, horizontal girder steel 1 is arranged on the top of the corresponding column 2 in both sides and is fixed by bearing diagonal 3, bearing diagonal 3 one end is connected with the bottom of horizontal girder steel 1, the other end is connected with the bottom of column 2 inside wall, the spacing of two bearing diagonals 3 is 2795mm, the spacing 1200mm between every side adjacent upright posts 2; Horizontal girder steel 1 top is provided with and supports channel-section steel 6, two heel posts 2 are provided with fixing two button 7, fixing two button 7 is distributed in the top of column 2, bottom or middle part, for being fixedly connected with the channel-section steel 5 between homonymy adjacent upright posts 2, channel-section steel 5 one end is passed through fixing two buttons 7 that fixing two buttons 7 of column 2 top or bottom are fixed, the other end passes through in the middle part of adjacent upright posts 2 and is fixed formation inclined shore.As shown in Figure 3, Figure 4, arrange scaffold at gate frame outside, scaffold comprises the vertical rod 22 longitudinally arranged and the transverse tube 21 transversely arranged, and the spacing between adjacent vertical rod 22 and transverse tube 21 is 750mm, flitch block 25 is lined with below vertical rod 22, the cross junction that scaffold is formed from tunnel center line to both sides at vertical rod 22 and transverse tube 21 is provided with supporting steel pipe 23, wherein the scaffold on gate vehicle frame top all drops down onto on horizontal girder steel 1, scaffold all welds with the connected node of gate vehicle frame, and the horizontal stroke of whole scaffold and gate vehicle frame, longitudinal section is all by steel hinge 24 drawknot, choose 3 points in the every side of the horizontal girder steel 1 of gate vehicle frame and steel hinge 24 is set, steel hinge 24 one end is connected with the end of horizontal girder steel 1, the other end is connected with scaffold with the extension of oblique below obliquely upward, keep laterally with the tie point of horizontal girder steel 1 simultaneously, longitudinal separation, scaffold and gate vehicle frame is made to form an entirety.The thick steel form of 5cm 31 is set between the steel arch-shelf 32 outside existing civil defence structure 33 and scaffold, and by i iron back cord, steel form 31 is reinforced.At the earth anchor 27 that the reverse 45 ° of direction construction depths of gate vehicle frame direct of travel about 20 meters distances are greater than 3 meters, by Chain block 26 as gate vehicle frame and scaffold traction power, the fixing suspension hook of Chain block 26 is connected with earth anchor 27, and the suspending weight suspension hook of Chain block 26 is connected with gate vehicle frame.
Specific construction process is as follows:
Steel rail laying under the running wheel of door shaped stent, rail need to be supported on sleeper and must to fix, by the traction of gate vehicle frame to lining cutting position, door frame vehicle frame center line overlaps with tunnel center line, with timber wedge locking running wheel after putting in place, support gate vehicle frame by hydraulic jack, extract out on concrete floor face that rail makes gate vehicle frame directly fall to have hardened, and again with timber wedge locking running wheel; Then set up scaffold, scaffold forms integral mold plate support by welding and gate vehicle frame, and by steel hinge drawknot, arranges steel form and adopt i iron back cord to carry out strengthening construction to steel form, carrying out the first mould concrete pouring construction after having reinforced.
First mould concrete pouring construction process is as follows: pouring concrete by steel form two clerestory from bottom to top symmetrically layering carry out, be ensure gate vehicle frame stress equalization, not bias voltage, be not shifted, the both sides concreting discrepancy in elevation is no more than 1m; Make firm by ramming and utilize steel form skylight manually to make firm by ramming with making rod firm by ramming, guarantee concrete compaction; Note cast situation when binding, concrete perfusion and cause burst-mode or support system to destroy by force after preventing from filling, need again to prevent pumping not in place, not full, there is dead level; The support situation of carving and checking supporting steel pipe, jacking, steel form is taken during concreting; once have loosening, displacement, bending slows down in time and builds or stop to build; change or reinforce supporting steel pipe, guaranteeing the personal safety of concrete quality, gate vehicle frame basic structure and constructor.
After first mould concrete curing intensity meets construction requirement, to jacking unloading, carry out the demoulding and removing surface work, and maintenance and inspection are carried out to scaffold.Then steel hinge is strained further by electric hoist, stablize whole falsework, whole falsework is propped up afterwards by the hydraulic jack of 4 30t, progressively land after adjustment rail makes it put in place jack, after running wheel is all on rail, using Chain block as gate vehicle frame traction power, utilize walking rail moving gate vehicle frame, deliver whole steel pipe frame when gate vehicle frame moves simultaneously, such gate vehicle frame just and steel pipe frame integrally support system, work plane is shifted, and can proceed to adjacent working face and start construction.
The full hall steel pipe frame of many employings when to carry out big cross section lining cutting in the past, so full hall frame construction has more shortcoming: first need a large amount of tube materials (fastener, jacking); When next is set up and removes, needs are artificial many, the time is long, and current inconvenient; Operation conversion is complicated, and labour intensity is large; A concreting cycle is long, and duration pressure is large; Intensive steel pipe frame causes construction section road to intercept, and affects on-the-spot material mechanical, vehicle pass-through.
And the integral movable type falsework adopting the utility model to provide achieves good effect: the full hall frame of the rear dismounting that do not need to have constructed, set up the complex process of full hall frame again; greatly reduce artificial and saved the duration; only need the enforcement completing whole strutting system and running gear during the first mould concreting; subsequent construction just can shorten the single mode concreting time greatly; and the scope of operation safety that gate vehicle frame provides improves, the safety of operating personnel and current personnel is protected.There is the advantage that construction speed is fast, concrete overall performance is good.
Adopt integral movable type falsework for the production of after make efficiency of construction fast lifting, the reduction construction period, reduce construction cost, decrease artificial input, reduce complicated procedures of forming, effectively improve construction benefit.It is 8 meters that this section of falsework system sets up length, and 70 meters of lining constructions need complete 9 mould concretings altogether.So; through the actual measuring and calculating of the first mould concreting; conventional door type frame is adopted to coordinate scaffold support system; single cycle is removed and again set up steel pipe frame needs 100 work days, and the optimization of this falsework system, makes each construction cyclic process save dismounting, set up the operation of steel pipe frame; whole people's air defense transformation section like this lining cutting can save 800 work days; duration shifts to an earlier date 80d simultaneously, greatly saves the input of plant equipment, material, saves the rental charge of labour cost and steel tube fastener.Generally speaking, saving of work and time, saving duration, save cost, quality is also guaranteed, and achieves good economic benefit.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (8)
1. a big cross section integral movable type falsework, is characterized in that: the scaffold comprising at least one group of gate vehicle frame and arrange along gate frame outside; Described gate vehicle frame comprises the supporting component and horizontal girder steel of being located at both sides, every collateral support component includes base cross members, the some root posts be located in base cross members, connect adjacent upright posts channel-section steel and to be located at below base cross members two ends and the running wheel faced with column, described horizontal girder steel is arranged on the top of the corresponding column in both sides and is fixed by the bearing diagonal be located between horizontal girder steel, column; Described scaffold comprises the vertical rod longitudinally arranged and the transverse tube transversely arranged, and the cross junction that vertical rod and transverse tube are formed is provided with supporting steel pipe; Described scaffold is connected with described gate vehicle frame by welding, and passes through horizontal stroke, the longitudinal section drawknot of steel hinge and described gate vehicle frame.
2. big cross section integral movable type falsework according to claim 1, is characterized in that: described gate vehicle frame and overall the drive by walking assembly of scaffold are moved along the rail in tunnel, and described walking assembly comprises Chain block and earth anchor; Described earth anchor described gate vehicle frame advance front with reverse 45 °, the degree of depth is that the mode of 3 meters is arranged, the fixing suspension hook of described Chain block is connected with described earth anchor, and the suspending weight suspension hook of described Chain block is connected with described gate vehicle frame.
3. big cross section integral movable type falsework according to claim 1, it is characterized in that: described column is provided with the fixing two button for fixing described channel-section steel, fixing two button is distributed in the top of described column, bottom and/or middle part, and the one end of the channel-section steel between adjacent upright posts is fixing by fixing two button of column top or bottom, the other end forms inclined shore by the fixing two button in the middle part of column is fixing.
4. big cross section integral movable type falsework according to claim 1, it is characterized in that: described steel hinge one end is connected with the end of described horizontal girder steel, the other end obliquely upward or tiltedly extends and is connected with described scaffold in below, keeps transverse direction, longitudinal separation with the end attachment of described horizontal girder steel simultaneously.
5. big cross section integral movable type falsework according to claim 4, is characterized in that: comprise gate vehicle frame described in two groups, two groups of gate vehicle frames are closely arranged successively along direction, tunnel; The every side of horizontal girder steel of described gate vehicle frame is by steel hinge and described scaffold drawknot described in three groups, and often organizing steel hinge is two, extends from the same tie point of described horizontal girder steel respectively to oblique upper, tiltedly below.
6. big cross section integral movable type falsework according to claim 1, is characterized in that: described running wheel is rotary single-wheel body.
7. big cross section integral movable type falsework according to claim 1, is characterized in that: the width of described gate vehicle frame is 4500mm, is highly 4700mm, and the adjacent spacing of column being positioned at homonymy is 1200mm.
8. big cross section integral movable type falsework according to claim 1, is characterized in that: below described vertical rod, all pad is provided with flitch block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553496.5U CN204851287U (en) | 2015-07-28 | 2015-07-28 | Big section moving as a whole formula formwork support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520553496.5U CN204851287U (en) | 2015-07-28 | 2015-07-28 | Big section moving as a whole formula formwork support |
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| CN204851287U true CN204851287U (en) | 2015-12-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725074A (en) * | 2017-11-08 | 2018-02-23 | 中国水利水电第四工程局有限公司 | A kind of constructing tunnel Moveable support structure |
| CN109538242A (en) * | 2018-10-23 | 2019-03-29 | 中建局集团第建筑有限公司 | A kind of building method of constructing tunnel falsework |
| CN112458936A (en) * | 2020-11-30 | 2021-03-09 | 中铁十六局集团地铁工程有限公司 | Construction method for integrally translating box culvert full-hall support |
| CN114396295A (en) * | 2021-11-01 | 2022-04-26 | 中铁二局集团有限公司 | Secondary lining construction method for lower anchor section of railway tunnel |
-
2015
- 2015-07-28 CN CN201520553496.5U patent/CN204851287U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725074A (en) * | 2017-11-08 | 2018-02-23 | 中国水利水电第四工程局有限公司 | A kind of constructing tunnel Moveable support structure |
| CN109538242A (en) * | 2018-10-23 | 2019-03-29 | 中建局集团第建筑有限公司 | A kind of building method of constructing tunnel falsework |
| CN109538242B (en) * | 2018-10-23 | 2020-09-29 | 中建一局集团第一建筑有限公司 | Building method of tunnel construction formwork support |
| CN112458936A (en) * | 2020-11-30 | 2021-03-09 | 中铁十六局集团地铁工程有限公司 | Construction method for integrally translating box culvert full-hall support |
| CN114396295A (en) * | 2021-11-01 | 2022-04-26 | 中铁二局集团有限公司 | Secondary lining construction method for lower anchor section of railway tunnel |
| CN114396295B (en) * | 2021-11-01 | 2023-12-12 | 中铁二局集团有限公司 | Secondary lining construction method for anchor section of railway tunnel |
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