CN202187546U - Novel four-bend steel frame and special lock hole steel plate bolt wedge connecting group thereof - Google Patents
Novel four-bend steel frame and special lock hole steel plate bolt wedge connecting group thereof Download PDFInfo
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- CN202187546U CN202187546U CN2011202321348U CN201120232134U CN202187546U CN 202187546 U CN202187546 U CN 202187546U CN 2011202321348 U CN2011202321348 U CN 2011202321348U CN 201120232134 U CN201120232134 U CN 201120232134U CN 202187546 U CN202187546 U CN 202187546U
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Abstract
The utility model discloses a novel four-bend steel frame and a special lock hole steel plate bolt wedge connecting group thereof. The steel frame is made of flat steel; four bends with an isosceles trapezoid cross section are formed in the width direction of the flat steel; and the novel four-bend steel frame has reasonable section structure, sufficient rigidity in the main direction of the section, big lateral rigidity and excellent hot-rolling manufacturability, and greatly saves steel material. The lock hole steel plate bolt wedge connecting group for connection is formed by a lock hole plate bolt and a plate bolt wedge, can realize instant template disassembly and assembly at a construction site, quickens construction, reduces the construction cost, has the prominent comprehensive advantages of simple structure, small steel use quantity, easy manufacture, excellent instant connection performance, simplicity and convenience in disassembly and assembly, long service life of members, remarkably reduced construction cost, and the like, can facilitate the unification of main members of all-steel big templates, and solves the difficult problem of improving the standardization of the all-steel big templates.
Description
Technical field
The utility model relates to a kind of novel 4 bending steel frames and special-purpose lockhole steel plate bolt wedge connection group thereof, belongs to the construction formwork technical field.
Background technology
At present, both at home and abroad the preset in length and breadth of one of all steel large form main member mainly contains three kinds in band steel, angle steel and channel-section steel.Like 86 type all steel large form frame specifications mainly is 80 * 6mm band steel, 80 * 80 * 6mm equal leg angle and 8# channel-section steel.
More than three kinds of frames all have major defect, the useful area lateral rigidity of band steel and angle steel frame is little, is easy to generate lateral deformation, it is big to use the shaping workload, and the connecting hole spacing is little, it is big to connect workload; It is big to thicken band steel, angle steel and channel-section steel frame steel using amount, and the member cost is high; The channel-section steel frame is easy to pile up concrete, causes the cleaning difficulty.And above-mentioned 3 kinds of frames connection all adopts bolt to connect, and especially building site template dismounting speed is slow for factory's assembly unit, influences construction speed.Not " 126 types do not have the back of the body and turn all steel large form " of the alternative 86 pattern plates of domestic in recent years appearance; The 3 bending steel frames that it adopts (120 * 8) mm band steel to process connect with special mould clamp fast, but because of its template and frame steel using amount all very big; The jig complex structure, volume is big, cost is high; The template applications cost is higher, so only use to some extent at special engineering, fails in the common buildings engineering construction, to apply.
In building operations; The overall technology of all steel large form is advanced; Frame poor performance and link technique fall behind only; Become a big obstacle of restriction all steel big template technology development; Vast construction enterprises and template enterprise all press for special-purpose frame of the advanced all steel large form of combination property and fast and low-cost frame link technique, said novel 4 bending steel frames of the utility model and special-purpose lockhole steel plate bolt wedge connection group thereof, what up-to-date success was researched and developed with regard to adapting to China's construction formwork major product all steel big template technology and pressing for of production development.
The utility model content
The purpose of the utility model is advanced used novel 4 bending steel frames of all steel large form of research and development combination property and supporting low-cost link technique fast thereof, promotes the development of all steel big template technology and realizes new breakthrough.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme:
The used novel 4 bending steel frames of a kind of all steel large form adopt band steel to process, and on the width of band steel, exist 4 bendings that the cross section is isosceles trapezoid; In the middle of being provided with, said bending is circular rectangle lockhole.
Its width B branch is analogous to all steel large form frame used width, is respectively three kinds of 80mm or 100mm or 120mm; Corresponding three kinds of width, the band steel thickness δ that is adopted is respectively (5.5 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; Bending symmetrical center line and panel side distance h 0=(0.4B ± 5) mm; Bending outside width b corresponds to (22 ± 4) mm, (24 ± 4) mm and (26 ± 4) mm respectively; Bending angle β=(125 ± 10) °, the bending dislocation is the (mm of 2 δ ± δ); Depending on the corresponding respectively wide S1 of panel boss is 5mm, 6mm and 7mm, and the corresponding respectively wide S2 of panel boss far away is 10mm, 12mm and 14mm, and the boss height is 0.5mm; Lockhole length M and wide N correspond to (26 ± 4) * (7 ± 1) mm, (28 ± 4) * (8 ± 1) mm and (30 ± 4) * (9 ± 1) respectively) mm, middle circle bore dia D corresponds to φ 17mm, φ 19mm and φ 21mm respectively.
A kind of lockhole steel plate bolt wedge connection group that above-mentioned novel 4 bending steel frames connect usefulness that is used for also is provided in addition simultaneously; Be made up of jointly selvage bolt and plate bolt wedge, said selvage bolt-lock orifice plate bolt is processed with steel plate, is made up of tightening latch, bolt head and bolt retaining; The bolt head is the rectangular pyramid body; Major part and tightening latch termination consubstantiality join, and bolt keeps off about the tightening latch symmetric arrangement, is furnished with bolt wedge hole in the vertical symmetrical center line of selvage bolt; Said plate bolt wedge is made up of tapered bar and wedge head two parts, and integral planar is long L type.
Said selvage bolt length overall is (10 δ+15) mm, long (7 δ+15) mm of tightening latch, bolt head length (2 δ) mm; Arrange bolt wedge hole in the vertical symmetrical center line of selvage bolt; Apart from tightening latch and bolt head line of demarcation δ mm; Its rectangle is long and wide to be (25 * N) mm, the conventional edge width of frame B of the corresponding 80mm of the size of N or 100mm or 120mm is respectively (7 ± 1) mm, (8 ± 1) mm and (9 ± 1) mm; The wide m of tightening latch, thickness n, corresponding to the above-mentioned width B of frame, the size correspondence of m is respectively (25 ± 4) mm, (27 ± 4) mm and (29 ± 4) mm, the size correspondence of n is respectively (6 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; The bolt head is the rectangular pyramid body, and major part and tightening latch termination consubstantiality join, and the long symmetry of microcephaly's end face rectangle is condensed to (m-5) mm, and wide symmetry is condensed to (n-2) mm, the high 2 δ mm of cone; The bolt retaining is about the tightening latch symmetric arrangement, and thick middle is δ, and width also is m, and cantilever configuration is in both sides, tightening latch lower end, and medial surface progressively is kept to δ/2 perpendicular to tightening latch two sides, lateral surface cantilever thickness, and the cantilever outer end is wide to be (m-5) mm.
The long 85mm of tapered bar of said plate bolt wedge, the wide 10mm of microcephaly, big head breadth 20mm has two places inside recessed 1.0mm and 1.5mm respectively, and the wedge head is (35 * 15) mm rectangle, and is connected with the seamless integral body of tapered bar major part.Be furnished with circular hole on the said plate bolt wedge, its diameter is φ 6mm.。
The utility model provides used novel 4 bending steel frames of a kind of all steel large form and special-purpose lockhole steel plate bolt wedge connection group thereof; Be to be suitable for an urgent demand of all steel big template technology and product new development and the new exclusive Form board frame researched and developed; Have section structure rationally, the section master is abundant to rigidity, lateral rigidity big, hot rolling technology property is practiced thrift steel well, significantly, the convenient template quickly dismantled of realizing, than band steel, angle steel and channel-section steel frame commonly used at present different outstanding advantages is arranged all; Adopt special-purpose lockhole steel plate bolt wedge connection group to realize job site quickly dismantled template; Accelerating construction progress; Reduce construction cost, have simple in structure, steel using amount is few, easy to manufacture, quick joint property is good, dismounting is easy and simple to handle, component's life is long, the obvious outstanding overall merit such as low of cost; Can promote to realize that all steel large form main member is unified, get rid of a difficult problem for the standardization of all steel large form improves.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the structural representation of the used novel 4 bending steel frames of the said all steel large form of present embodiment;
Fig. 2 is the schematic cross-section of Fig. 1;
Fig. 3 is the said selvage stud structure of an embodiment sketch map;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the said plate bolt of an embodiment wedge structural representation;
Fig. 6 is that 4 bending steel frame templates are pulled bolt group connection sketch map with lockhole;
Fig. 7 is the left view of Fig. 6.
Among the figure:
1, steel form; 2,4 bending steel frames; 3,4 bendings; 4, lockhole; 5, boss; 6, tightening latch; 7, bolt head; 8, bolt retaining; 9, tapered bar; 10, wedge head; 11, circular hole; 12, bolt wedge hole.
The specific embodiment
Shown in Fig. 1 to 2, provided the structural representation of the used novel 4 bending steel frames of the said all steel large form of the utility model.This 4 bending steel frame 2 adopts band steel to process, and it connects perpendicular to steel form 1, on the width of band steel, exists 4 bendings 3 that the cross section is isosceles trapezoid; Be circular rectangle lockhole 4 in the middle of said bending is provided with, circular port is convenient to adopt conventional bolt to connect, and can take into account existing connected mode.Its width B branch is analogous to all steel large form frame used width, is respectively three kinds of 80mm or 100mm or 120mm; Corresponding three kinds of width, the band steel thickness δ that is adopted is respectively (5.5 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; Bending symmetrical center line and panel side distance h 0=(0.4B ± 5) mm; Bending outside width b corresponds to (22 ± 4) mm, (24 ± 4) mm and (26 ± 4) mm respectively; Bending angle β=(125 ± 10) °, the bending dislocation is the (mm of 2 δ ± δ); Depending on the corresponding respectively wide S1 of panel boss is 5mm, 6mm and 7mm, and the corresponding respectively wide S2 of panel boss far away is 10mm, 12mm and 14mm, and the boss height is 0.5mm; Lockhole length M and wide N correspond to (26 ± 4) * (7 ± 1) mm, (28 ± 4) * (8 ± 1) mm and (30 ± 4) * (9 ± 1) respectively) mm, middle circle bore dia D corresponds to φ 17mm, φ 19mm and φ 21mm respectively.
The lockhole steel plate bolt wedge connection group that is used for these novel 4 bending steel frames, 2 connection usefulness is made up of selvage bolt and plate bolt wedge jointly, and its structure and assembling user mode are shown in Fig. 3 to 7.Said selvage bolt is processed with steel plate, is made up of tightening latch 6, bolt head 7 and bolt retaining 8, and bolt head 7 is the rectangular pyramid body, and major part and tightening latch 6 termination consubstantialities join, and bolt retaining 8 is furnished with bolt wedge hole 12 about tightening latch 6 symmetric arrangement in the vertical symmetrical center line of selvage bolt; Plate bolt wedge is made up of tapered bar 9 and wedge head 10 two parts, and integral planar is long L type.
Selvage bolt length overall is (10 δ+15) mm, tightening latch 6 long (7 δ+15) mm, bolt head 7 long 2 δ mm; Arrange bolt wedge hole 12 in the vertical symmetrical center line of selvage bolt; Apart from tightening latch 6 and bolt head 7 line of demarcation δ mm; Its rectangle is long and wide to be (25 * N) mm, the conventional edge width of frame B of the corresponding 80mm of the size of N or 100mm or 120mm is respectively (7 ± 1) mm, (8 ± 1) mm and (9 ± 1) mm; Tightening latch 6 wide m, thickness n, corresponding to the above-mentioned width B of frame, the size correspondence of m is respectively (25 ± 4) mm, (27 ± 4) mm and (29 ± 4) mm, the size correspondence of n is respectively (6 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; Bolt head 7 is the rectangular pyramid body, and major part and tightening latch 6 termination consubstantialities join, and the long symmetry of microcephaly's end face rectangle is condensed to (m-5) mm, and wide symmetry is condensed to (n-2) mm, the high 2 δ mm of cone; Bolt retaining 8 is about tightening latch 6 symmetric arrangement, and thick middle is δ, and width also is m, and cantilever configuration is in both sides, tightening latch 6 lower end, and medial surface progressively is kept to δ/2 perpendicular to tightening latch 6 two sides, lateral surface cantilever thickness, and the cantilever outer end is wide to be (m-5) mm.
The tapered bar 9 long 85mm of said plate bolt wedge, the wide 10mm of microcephaly, big head breadth 20mm has two places inside recessed 1.0mm and 1.5mm respectively, and wedge head 10 is (35 * 15) mm rectangle, and is connected with the seamless integral body of tapered bar 9 major parts.Be furnished with circular hole 11 on the said plate bolt wedge, its diameter is φ 6mm, and the collection serial connection that is used for plate bolt wedge is used.
Points for attention during concrete the use:
When 1, template factory uses present technique; Should combine the technology status of this enterprise corresponding all steel large form type to improve design; Design the rolling figure of outer committee of respective type 4 bending steel frames, Form board frame member operation drawing, the outer committee operation drawing of all kinds of steel plate bolt wedges and plate bolt wedge.Should make and applied analysis in the operation drawing; Various sizes and position of related features have been confirmed; Wherein more important dimensional tolerance is respectively B ± 0.25, δ+0.25, h0 ± 0.5, β ± 1 °, b ± 0.5, M+0.5, N+0.5, φ D+0.5, m-0.25, n-0.25, and all the other dimensional tolerances can be handled by free tolerance.
2, all kinds of novel 4 bending steel frames, punching, die forging all kinds of steel plate bolt wedge and plate bolt wedge are made in the corresponding specialized factory hot rolling of entrusting outward.
3, template factory processes each specification Form board frame member voluntarily.Frame fracture, lockhole stamping-out will be made corresponding processing mold by the concrete shape of institute's processing novel 4 bending steel frameworks, and then utilize Mould Machining.
4, template factory each specification all steel large form of assembly welding voluntarily.4 bending recesses and note to guarantee that big verticality with panel of frame should be (0-0.5) mm outwardly in the assembly welding.
5, template factory carries out the assembly unit of large form factory voluntarily.Can be assembled into this analysis selects to adopt plain bolt connection or lockhole steel plate bolt wedge to connect according to qualifications.If the two assembly unit cost is suitable, preferably select the latter.
6, template factory should and exceed on a small quantity by on-the-spot piece of engineering template and lockhole connection specification and quantity, provides selvage bolt and plate bolt wedge to construction enterprises.
When 7, construction enterprises carry out template mounting or dismounting operation at the construction field (site), use lockhole steel plate bolt wedge and install and remove fast, accomplish specifically construction.
Claims (6)
1. the used novel 4 bending steel frames of all steel large form is characterized in that: adopt band steel to process, on the width of band steel, exist 4 bendings that the cross section is isosceles trapezoid; In the middle of being provided with, said bending is circular rectangle lockhole.
2. novel 4 bending steel frames according to claim 1, it is characterized in that: its width B branch is analogous to all steel large form frame used width, is respectively three kinds of 80mm or 100mm or 120mm; Corresponding three kinds of width, the band steel thickness δ that is adopted is respectively (5.5 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; Bending symmetrical center line and panel side distance h 0=(0.4B ± 5) mm; Bending outside width b corresponds to (22 ± 4) mm, (24 ± 4) mm and (26 ± 4) mm respectively; Bending angle β=(125 ± 10) °, the bending dislocation is the (mm of 2 δ ± δ); Depending on the corresponding respectively wide S1 of panel boss is 5mm, 6mm and 7mm, and the corresponding respectively wide S2 of panel boss far away is 10mm, 12mm and 14mm, and the boss height is 0.5mm; Lockhole length M and wide N correspond to (26 ± 4) * (7 ± 1) mm, (28 ± 4) * (8 ± 1) mm and (30 ± 4) * (9 ± 1) respectively) mm, middle circle bore dia D corresponds to φ 17mm, φ 19mm and φ 21mm respectively.
3. be used for the lockhole steel plate bolt wedge connection group that the said novel 4 bending steel frames of claim 1 connect usefulness, it is characterized in that, form jointly by selvage bolt and plate bolt wedge; Said selvage bolt is processed with steel plate; Be made up of tightening latch, bolt head and bolt retaining, the bolt head is the rectangular pyramid body, and major part and tightening latch termination consubstantiality join; The bolt retaining is furnished with bolt wedge hole about the tightening latch symmetric arrangement in the vertical symmetrical center line of selvage bolt; Said plate bolt wedge is made up of tapered bar and wedge head two parts, and integral planar is long L type.
4. lockhole steel plate bolt wedge connection group according to claim 3 is characterized in that: said selvage bolt length overall is (10 δ+15) mm, long (7 δ+15) mm of tightening latch, bolt head length 2 δ mm; Arrange bolt wedge hole in the vertical symmetrical center line of selvage bolt; Apart from tightening latch and bolt head line of demarcation δ mm; Its rectangle is long and wide to be (25 * N) mm, the conventional edge width of frame B of the corresponding 80mm of the size of N or 100mm or 120mm is respectively (7 ± 1) mm, (8 ± 1) mm and (9 ± 1) mm; The wide m of tightening latch, thickness n, corresponding to the above-mentioned width B of frame, the size correspondence of m is respectively (25 ± 4) mm, (27 ± 4) mm and (29 ± 4) mm, the size correspondence of n is respectively (6 ± 1) mm, (7 ± 1) mm and (8 ± 1) mm; The bolt head is the rectangular pyramid body, and major part and tightening latch termination consubstantiality join, and the long symmetry of microcephaly's end face rectangle is condensed to (m-5) mm, and wide symmetry is condensed to (n-2) mm, the high 2 δ mm of cone; The bolt retaining is about the tightening latch symmetric arrangement, and thick middle is δ, and width also is m, and cantilever configuration is in both sides, tightening latch lower end, and medial surface progressively is kept to δ/2 perpendicular to tightening latch two sides, lateral surface cantilever thickness, and the cantilever outer end is wide to be (m-5) mm.
5. lockhole steel plate bolt wedge connection group according to claim 3 is characterized in that: the long 85mm of tapered bar of said plate bolt wedge, the wide 10mm of microcephaly; Big head breadth 20mm; Two places inside recessed 1.0mm and 1.5mm are respectively arranged, and the wedge head is (35 * 15) mm rectangle, and is connected with the seamless integral body of tapered bar major part.
6. according to each described lockhole steel plate bolt wedge connection group of claim 3-5, it is characterized in that: be furnished with circular hole on the said plate bolt wedge, its diameter is φ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202321348U CN202187546U (en) | 2011-07-04 | 2011-07-04 | Novel four-bend steel frame and special lock hole steel plate bolt wedge connecting group thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202321348U CN202187546U (en) | 2011-07-04 | 2011-07-04 | Novel four-bend steel frame and special lock hole steel plate bolt wedge connecting group thereof |
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| CN202187546U true CN202187546U (en) | 2012-04-11 |
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|---|---|---|---|
| CN2011202321348U Expired - Fee Related CN202187546U (en) | 2011-07-04 | 2011-07-04 | Novel four-bend steel frame and special lock hole steel plate bolt wedge connecting group thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541546A (en) * | 2013-09-27 | 2014-01-29 | 广东一百建筑科技有限公司 | Device for rapidly mounting and demounting building formworks |
| CN109113096A (en) * | 2018-09-30 | 2019-01-01 | 中国冶集团有限公司 | A kind of concrete wood formwork plate piece structure |
-
2011
- 2011-07-04 CN CN2011202321348U patent/CN202187546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541546A (en) * | 2013-09-27 | 2014-01-29 | 广东一百建筑科技有限公司 | Device for rapidly mounting and demounting building formworks |
| CN109113096A (en) * | 2018-09-30 | 2019-01-01 | 中国冶集团有限公司 | A kind of concrete wood formwork plate piece structure |
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Legal Events
| 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: 20120411 Termination date: 20150704 |
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| EXPY | Termination of patent right or utility model |