CN202895435U - Small box girder internal mould convenient to assemble and disassemble - Google Patents
Small box girder internal mould convenient to assemble and disassemble Download PDFInfo
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- CN202895435U CN202895435U CN2012205976670U CN201220597667U CN202895435U CN 202895435 U CN202895435 U CN 202895435U CN 2012205976670 U CN2012205976670 U CN 2012205976670U CN 201220597667 U CN201220597667 U CN 201220597667U CN 202895435 U CN202895435 U CN 202895435U
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- range template
- box girder
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Abstract
The utility model relates to the field of small box girder prefabrication, in particular to a small box girder internal mould convenient to assemble and disassemble, and aims to solve the problems that the conventional internal model is inconvenient to assemble and disassemble, the labor intensity is high, a mould plate is easy to deform and the like. The small box girder internal mould comprises a left half mould plate and a right half mould plate, wherein each of the left half mould plate and the right half mould plate is formed by hinging an upper part and a lower part; an upper transverse connecting piece and a lower transverse connecting piece are arranged between the upper abutting end and the lower abutting end of each of the left half mould plate and the right half mould plate; an unidirectional rotating upright rod of which the middle part is hinged is arranged in each of the left half mould plate and the right half mould plate; a longitudinal operating rod bolting hole is formed in the upper middle part of each unidirectional rotating upright rod; a longitudinal operating pull rod is arranged in the small box girder internal mould along the longitudinal direction of the small box girder internal mould; and the longitudinal operating pull rod is connected with all unidirectional rotating upright rods. The small box girder internal mould is easy and convenient to assemble and disassemble; the working time and the labor intensity in a narrow and small space in a box is reduced and lowered greatly; the internal mould is not easy to deform; the turnover use frequency and time are increased; the quality of girder body prefabrication is ensured; and simultaneously, the labor intensity is low, the construction efficiency is high, the construction cost is low, and the small box girder internal mould has great use and popularization value.
Description
Technical field
The utility model relates to the beam prefabricated field of little case, is specially the little box girder inner formwork of a kind of just reassembling type.
Background technology
The space is smaller in the case of the little case beam of highway, and internal mold generally adopts the combined steel assembly unit, and is very inconvenient in an interior form removal at its narrow and small sky, especially in hot summer, the heat of hydration reacts, and temperature is higher in the mould, the block-by-block form removal of workman the inside is difficulty especially, and labour intensity is large and efficient is very low.Need prize when simultaneously the combined steel block-by-block is removed and dial, the turnaround time has been grown rear pattern plate and has been out of shape easily, affects the total quality of case beam.Must carry out assembly unit by block-by-block again after internal mold splits out in addition, also relatively time-consuming.
Summary of the invention
The utility model provides a kind of just reassembling type little box girder inner formwork in order to solve the problems such as existing little box girder inner formwork dismounting is inconvenient, labour intensity is large, template is yielding.
The utility model is to adopt following technical scheme to realize: the just little box girder inner formwork of reassembling type, comprise symmetrically arranged left half range template and right half range template, left half range template and right half range template all form by upper and lower two parts are hinged, are respectively equipped with horizontal connector and lower horizontal connector between the upper butt end of left half range template and right half range template, the lower butt end; All be interval with the hinged one-directional rotation vertical rod in middle part in left half range template and the right half range template, one-directional rotation vertical rod middle part is provided with on the upper side the fore-and-aft control rockbolt and connects the hole; Little box girder inner formwork has set up the fore-and-aft control pull bar along its longitudinal direction, and the fore-and-aft control pull bar connects the hole by the fore-and-aft control rockbolt and is connected with all one-directional rotation vertical rods respectively.
This internal mold also comprises and is positioned at the spiral jackscrew vertical rod that left half range template and right half range template are located in beam-ends place and interval; spiral jackscrew vertical rod upper end directly fixes with left half range template or right half range template; the lower end and be erected at left half range template or right half range template between square steel fix, the fore-and-aft control pull bar is connected with the vertical rod of spiral jackscrew.The vertical rod of described spiral jackscrew is existing known products, and its structure and operation principle are well known to those skilled in the art, and the vertical rod of spiral jackscrew can be played the effect of support top, can vertical rod play firm effect by fixing fore-and-aft control pull bar and to one-directional rotation again.
Described horizontal connector comprises junction steel plate and the bolt that is fixed in butt end on left half range template and the right half range template, lay the cope match-plate pattern equal with template on the junction steel plate, lower horizontal connector for fixing under left half range template and the right half range template between the butt end, the centre arranges that timber wedge is fixed, the lower bolster equal with template.
Adopt structural design of the present utility model, internal mold is divided into left and right two half ranges, and the middle part is articulated structure, by the fore-and-aft control pull bar pull is unified in the one-directional rotation vertical rod that is positioned between internal mold, made internal mold form the bosom mode and shrink, reach the purpose of fast demoulding, internal mold is that symmetrical halves is secondary, after from interior case, extracting out respectively, can contact into rapidly integral body, reach the purpose of rapid-assembling internal mold.
Compared with prior art, the utility model utilizes the principles such as mechanics, geometry and machinery, successful solution the combination of little box girder inner formwork block-by-block, the block-by-block loaded down with trivial details operation of removing, dismounting is simple and convenient, reduce greatly and reduced activity duration and the labour intensity of small space in case, summer of sweltering heat just the construction effect of the little box girder inner formwork of reassembling type more manifest; A large amount of sleds when just the design of the little box girder inner formwork of reassembling type has avoided common combined steel to remove order of exchanging work, internal mold is removed convenient not yielding, access times and the time of turnover have been increased, not only guaranteed the quality of prefabrication of beam but also guaranteed the attractive in appearance of prefabrication of beam, simultaneously because just the little box girder inner formwork mounting or dismounting of reassembling type are convenient, labour intensity is low, efficiency of construction is high, effectively reduce construction cost, can be widely used in the beam prefabricated construction of the little case of highway 16m, 20m, 25m and 30m, have larger value for applications.
Description of drawings
Fig. 1 is cross-sectional configuration schematic diagram of the present utility model;
Fig. 2 is longitudinal plane structure schematic diagram of the present utility model;
Among the figure: the left half range template of 1-; The right half range template of 2-; The vertical rod of 3-one-directional rotation; 4-fore-and-aft control rockbolt connects the hole; 5-fore-and-aft control pull bar; The vertical rod of 6-spiral jackscrew; The 7-square steel; The 8-junction steel plate; The 9-cope match-plate pattern; The 10-lower bolster; The 11-hinge; The 12-timber wedge.
The specific embodiment
Just the little box girder inner formwork of reassembling type, such as Fig. 1, shown in 2, comprise symmetrically arranged left half range template 1 and right half range template 2, left half range template and right half range template all are by upper, lower two parts are hinged to be formed, can adopt hinge 11 hinged, the upper butt end of left half range template and right half range template, be respectively equipped with horizontal connector and lower horizontal connector between the lower butt end, upper horizontal connector comprises junction steel plate 8 and the bolt that is fixed in butt end on left half range template and the right half range template, lay the cope match-plate pattern 9 equal with template on the junction steel plate, can adopt steel plate, lower horizontal connector is for fixing under left half range template and the right half range template between the butt end, it is fixing that the centre arranges timber wedge 12, the lower bolster 10 equal with template can adopt the bamboo offset plate; All be interval with the hinged one-directional rotation vertical rod 3 in middle part in left half range template and the right half range template, one-directional rotation vertical rod middle part is provided with on the upper side the fore-and-aft control rockbolt and connects hole 4; In the little box girder inner formwork and along its longitudinal direction fore-and-aft control pull bar 5 is installed, the fore-and-aft control pull bar connects the hole by the fore-and-aft control rockbolt and is connected with all one-directional rotation vertical rods respectively.This internal mold also comprises the spiral jackscrew vertical rod 6 that is positioned at the beam-ends place and is located at interval at left half range template and right half range template; spiral jackscrew vertical rod upper end directly fixes with left half range template or right half range template; the lower end and be erected at left half range template or right half range template between square steel 7 fixing, the fore-and-aft control pull bar is connected with the vertical rod of spiral jackscrew.
During Specific construction, can adopt following steps:
⑴ according to length, inner box structure size and the length of case beam, and the processing of internal mold sectional arranges ring flange and connects with bolt.Add man-hour first with the top and the bottom machine-shaping of left and right half range template, top and the bottom adopt hinge hinged, see Fig. 1;
⑵ arrange one-directional rotation vertical rod and fore-and-aft control pull bar between the top and the bottom of left and right half range template, see Fig. 2.Establish again respectively the vertical rod of three spiral jackscrews at internal mold near the beam-ends place, play the simultaneously again fixedly effect of fore-and-aft control pull bar of support top;
⑶ upper end transverse connection adopts steel plate to be connected with bolt, and lower horizontal connector adopts square steel and bamboo offset plate, and the lower horizontal connector at close internal mold two ends will suitably arrange spacing, and lower horizontal connector has supporting role concurrently.
⑷ lay cope match-plate pattern at upper horizontal connector, and the steel plate thickness of cope match-plate pattern is with the internal mold surface steel sheet, and the adhesive tape shutoff is located to use in the slit between steel plate and the internal mold body surfaces steel plate; Lower bolster adopts the bamboo offset plate, utilizes lower laterally contact and timber wedge to fix.
⑸ box beam concrete is built and is finished and reach when tearing the internal mold condition open, and horizontal connector and lower horizontal connector in the dismounting are removed the spacing of fore-and-aft control pull bar, and the lower jackscrew that turns the vertical rod of spiral jackscrew draws the fore-and-aft control pull bar to get final product the demoulding with hoist engine.According to the pedestal spacing, after taking out internal mold, can assemble inside hoist engine traction merogenesis.
Case history:
The Eastern Tombs of the Qing Emperors, Hebei province highway 3 contract section have 752 on 25m and the little case beam of 30m, internal mold all adopts this internal mold construction in work progress, internal mold dismounting speed is fast, case is neat and artistic in the case beam of constructing simultaneously, obtains the golden opinions of Communications Department, Hebei Province Quality Supervision Station, owner unit and supervisor.450 yuan of labour costs are all saved in every Liangping when reducing labour intensity, and the cost aspect also obtains good effect.
Claims (3)
1. just little box girder inner formwork of reassembling type, it is characterized in that comprising symmetrically arranged left half range template (1) and right half range template (2), left half range template and right half range template all form by upper and lower two parts are hinged, are respectively equipped with horizontal connector and lower horizontal connector between the upper butt end of left half range template and right half range template, the lower butt end; All be interval with the hinged one-directional rotation vertical rod (3) in middle part in left half range template and the right half range template, one-directional rotation vertical rod middle part is provided with on the upper side the fore-and-aft control rockbolt and connects hole (4); Be provided with fore-and-aft control pull bar (5) in the little box girder inner formwork and along its longitudinal direction, the fore-and-aft control pull bar connects hole (4) by the fore-and-aft control rockbolt and is connected with all one-directional rotation vertical rods respectively.
2. the little box girder inner formwork of just reassembling type according to claim 1; it is characterized in that this internal mold also comprises is positioned at the spiral jackscrew vertical rod (6) that left half range template and right half range template are located in beam-ends place and interval; spiral jackscrew vertical rod upper end directly fixes with left half range template or right half range template; the lower end and be erected at left half range template or right half range template between square steel (7) fixing, fore-and-aft control pull bar (5) is connected with the vertical rod of spiral jackscrew.
3. the little box girder inner formwork of just reassembling type according to claim 1 and 2, it is characterized in that horizontal connector comprises junction steel plate (8) and the bolt that is fixed in butt end on left half range template and the right half range template, lay the cope match-plate pattern (9) equal with template on the junction steel plate, lower horizontal connector for fix under left half range template and the right half range template between the butt end, the centre arranges that timber wedge (12) is fixed, the lower bolster (10) equal with template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205976670U CN202895435U (en) | 2012-11-14 | 2012-11-14 | Small box girder internal mould convenient to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205976670U CN202895435U (en) | 2012-11-14 | 2012-11-14 | Small box girder internal mould convenient to assemble and disassemble |
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| Publication Number | Publication Date |
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| CN202895435U true CN202895435U (en) | 2013-04-24 |
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| CN2012205976670U Expired - Fee Related CN202895435U (en) | 2012-11-14 | 2012-11-14 | Small box girder internal mould convenient to assemble and disassemble |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572707A (en) * | 2013-11-21 | 2014-02-12 | 中铁六局集团有限公司 | Box girder steel outer template and construction method thereof |
| CN103774561A (en) * | 2014-02-11 | 2014-05-07 | 湖北高路江南高速公路有限公司 | Streamline operation construction method of precast small box girders for highway in assembling mode |
| CN104044201A (en) * | 2014-06-25 | 2014-09-17 | 杭州宇航交通工程有限公司 | Prestressed concrete box beam forming mold |
| CN104308961A (en) * | 2014-10-29 | 2015-01-28 | 中交二航局第四工程有限公司 | Integrally-drawing-type prefabricated box beam inner die device |
| CN108748631A (en) * | 2018-08-24 | 2018-11-06 | 中建五局华东建设有限公司 | A kind of scalable precast hollow Inner Moulding Board in Building of monoblock type |
-
2012
- 2012-11-14 CN CN2012205976670U patent/CN202895435U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572707A (en) * | 2013-11-21 | 2014-02-12 | 中铁六局集团有限公司 | Box girder steel outer template and construction method thereof |
| CN103572707B (en) * | 2013-11-21 | 2015-11-04 | 中铁六局集团有限公司 | Case girder steel outer template and construction method |
| CN103774561A (en) * | 2014-02-11 | 2014-05-07 | 湖北高路江南高速公路有限公司 | Streamline operation construction method of precast small box girders for highway in assembling mode |
| CN103774561B (en) * | 2014-02-11 | 2016-01-20 | 中铁二十三局集团第八工程有限公司 | The job execution of speedway prefabricated small box girder frock method streamlined |
| CN104044201A (en) * | 2014-06-25 | 2014-09-17 | 杭州宇航交通工程有限公司 | Prestressed concrete box beam forming mold |
| CN104308961A (en) * | 2014-10-29 | 2015-01-28 | 中交二航局第四工程有限公司 | Integrally-drawing-type prefabricated box beam inner die device |
| CN108748631A (en) * | 2018-08-24 | 2018-11-06 | 中建五局华东建设有限公司 | A kind of scalable precast hollow Inner Moulding Board in Building of monoblock type |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20191114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |