CN204001663U - The pre-buried fastening devices of a kind of Cantilever Beams - Google Patents
The pre-buried fastening devices of a kind of Cantilever Beams Download PDFInfo
- Publication number
- CN204001663U CN204001663U CN201420339245.2U CN201420339245U CN204001663U CN 204001663 U CN204001663 U CN 204001663U CN 201420339245 U CN201420339245 U CN 201420339245U CN 204001663 U CN204001663 U CN 204001663U
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- China
- Prior art keywords
- round steel
- shaped round
- nut
- pressing plate
- fastening devices
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000004570 mortar (masonry) Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The pre-buried fastening devices of a kind of Cantilever Beams, comprises U-shaped round steel, girth member, pressing plate, nut, pad and lid pipe, and bottom and the girth member of U-shaped round steel are affixed, and the upper end face of U-shaped round steel is provided with screw thread, and the length of screw thread is 7-21mm; The both ends of the surface of U-shaped round steel are chamfering end face, and lid pipe box is in the two ends of U-shaped round steel, and the reach on length and the U-shaped round steel of lid pipe is suitable; Pressing plate be provided with two with the suitable circular hole of U-shaped round steel, pressing plate is fixed by nut and U-shaped round steel, between pressing plate and nut, is provided with pad.This apparatus structure is simple, and safety factor is high; Low cost of manufacture, pressing plate and nut are reusable; Close the lid pipe when cast straight round steel screw thread place cover protection of pipe, be difficult for by mortar pollution effect subsequent operation, screw nut smooth and easy.Easy installation and removal, puts into i iron, adds top board, and the nut of screwing on installs, and backs out nut, takes off pressing plate, hangs i iron and has both completed dismounting, and the round steel of above ground portion blows off with acetylene.
Description
Technical field
The utility model belongs to highrise building field, particularly the pre-buried fastening devices of a kind of Cantilever Beams.
Background technology
The construction support arm that frame pipe and fastener are built, when the above building of floor-type support to 5 layer, if ground footing does not have special superpressed processing, can be because frame pipe and fastener self gravitation support have sagging risk.External scaffolding is generally completely taken along skin face, very convenient to structure and decoration construction, but takes material work consuming, and one-time investment is large, long in time limit.These deficiencies are still not obvious in multistoried building construction, in high-story house construction, just loom large, and sometimes even cannot apply.
1. because external scaffolding is upwards completely to take from ground, in the time that construction proceeds to top, scaffold below still needs to retain, and its effect is only that the load of top work layer is delivered on ground, not by construction operation is essential.
The requirement of 2. setting up specification according to design of coupler scaffold, overhanging scaffold scaffolding height must not exceed 20m, and exceeding 20m need to be expounded through peer review.Test the requirement of commenting about civilized building site, " scaffold removed or (exceed 4 one storey buildingDans or 15 meters) of overhanging scaffold superelevation ", the civilized building site of no longer upgrading is tested and is commented.Therefore the outer scaffold of superelevation part adopts Cantilever Beams to support, and frame pipe and fastener self gravitation restart to be pressed on Cantilever Beams, then choose for every five layers or four layer one.Cantilever Beams has just been taken on the function on ground, supports the gravity of five layers of frame pipe, and therefore the fastening devices of Cantilever Beams just seems particularly important.
3. many high layer main body surroundings are with podium, and the scaffold of agent structure can not directly support on the ground.
4. sometimes in order to work to tight deadlines, the also not backfill of the backfill at scholar o absolute altitude place, and main structural engineering will go up, out-mould scaffold also cannot prop up on ground, runs into above-mentioned situation, just cannot apply console mode external scaffolding.
So in high-building construction, more generally adopted in recent years not console mode scaffold, comprised builder's jack etc.
The extensive use of building scaffold make can hold in work progress job area large, save material, cost low, set up simple and convenient, safe and reliable and be widely used.The old fixed form of scaffold overhanging type steel adopts screw-thread steel to bend to several fonts and is embedded in concrete plate.Pre-buried three roads, insert shaped steel in several fonts of built-in fitting after waiting hardening of concrete, then block i iron with a shorter U-shaped round steel welding again.But this structure operation inconvenience, inefficiency, laying of the low i beam of safety factor can only be for inserted mode, after the operation that presses down need weld and fill in wood; Not reproducible use, use cost is high, dismounting trouble.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the above-mentioned defect that prior art exists, and the pre-buried fastening devices of Cantilever Beams that a kind of safety factor is high, dismounting is simple, use cost is low is provided.
The utility model solves the technical scheme that its technical problem adopts, the pre-buried fastening devices of a kind of Cantilever Beams, comprise U-shaped round steel, girth member, pressing plate, nut, pad and lid pipe, bottom and the girth member of described U-shaped round steel are affixed, the upper end face of described U-shaped round steel is provided with screw thread, and the length of described screw thread is 7-21mm (preferably 12mm); The both ends of the surface of described U-shaped round steel are chamfering end face, and described lid pipe box is in the two ends of U-shaped round steel, and the reach on the length of described lid pipe and U-shaped round steel is suitable; Described pressing plate be provided with two with the suitable circular hole of U-shaped round steel, described pressing plate is fixed by nut and U-shaped round steel, between described pressing plate and nut, is provided with pad.
Further, described pad is flat shim or spring shim (preferably spring shim).
Further, the diameter of described U-shaped round steel is 16-20mm, preferably 18mm.
Further, described pressing plate is that thickness is the preferred 6mm of 4-10mm() angle bar or the preferred 10mm of 6-10mm() steel plate.
Further, described lid pipe is PVC lid pipe.
Further, the width of the distance of two of described U-shaped round steel straight round steel parts and required fixing i iron steel is suitable.
Further, to be provided with the number of nut be 1-3 (preferably 2) to the every end of described U-shaped round steel.
Further, described girth member is the iron plate that two round steel or two leave the hole that pegs.
Compared with prior art, the utility model is simple in structure, and safety factor is high; Low cost of manufacture, pressures partially is reusable; The pipe that closes the lid, when cast, protection of pipe is covered at straight round steel screw thread place, makes to be difficult for being polluted by mortar, affects subsequent operation and screws nut.With wooden peg by firmware nail extremely in template, and guarantee every triplets, three built-in fittings in a group are fixed on same straight line, ensure that i iron can put into and fix in position accurately.Installation and removal are convenient, put into i iron, add top board, and the nut of screwing on both installed, and backed out nut, took off pressing plate, hang i iron and both completed dismounting, and the round steel of above ground portion blows weldering with acetylene and falls.Concrete plate is pricked when frame, guarantee to have prick frame reinforcing bar through two bolts outside, also can be suspended on template and be connected together with the steel bar welding of bundle frame, without girth member, do not contact template, expose iron thereby do not stay, do not produce rust staining.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation before the pre-buried fastening devices of Cantilever Beams shown in Fig. 1 is installed;
Fig. 3 is the utility model one scheme of installation;
Fig. 4 is the schematic diagram that covers pipe shown in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
With reference to accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment comprises U-shaped round steel 1, girth member 2, pressing plate 4, nut 5, pad 7 and lid pipe 6, and the bottom of U-shaped round steel 1 and girth member 2 are affixed, and the upper end face of U-shaped round steel 1 is provided with screw thread 3, and the length of screw thread 3 is 12mm; The both ends of the surface of U-shaped round steel 1 are chamfering end face, and lid pipe 6 is placed on the two ends of U-shaped round steel 1, and screw thread 3 length on length and the U-shaped round steel 1 of lid pipe 6 are suitable; Pressing plate 4 be provided with two with the suitable circular hole of U-shaped round steel 1, pressing plate 4 is fixing with U-shaped round steel 1 by nut 5, between pressing plate 4 and nut 5, is provided with pad 7.
Pad 7 is spring shim.
The diameter of U-shaped round steel 1 is 18mm; Nut is the nut of 20#.
The steel plate that pressing plate 4 is 10mm for thickness.
Lid pipe 6 is PVC lid pipe.
The distance of two straight round steel parts of U-shaped round steel 1 and required fixing width are suitable, the i iron that i iron is 18#, and the distance of two straight round steel parts of U-shaped round steel 1 is 115mm.
The number that the every end of U-shaped round steel 1 is provided with nut 5 is 2.
Girth member 2 is two iron plates that leave the hole that pegs; When use, girth member 2 directly contacts with template, follows closely extremely in template with wooden peg.
Pre-buried when fixing, sleeve pipe 6 is enclosed within on U-shaped round steel 1, guarantees that, in the time of concreting, it is stained that bolt thread is not subject to mortar, screws nut 5 smooth and easy; By being embedded in advance in concrete slab of U-shaped round steel 1, the reinforcing bar in concrete is pricked frame through in the interior sky of U-shaped round steel 1; Concreting concrete plate build complete concrete plate solid after, easily remove sleeve pipe 6(collect to deposit use next time), i beam is positioned over to U-shaped round steel 1 interior aerial, first-class pressing plate also adds double nut 5 with spring shim 7 and fixes.
Use after support arm dismounting, nut 5, spring shim 7, pressing plate 4 are unloaded, hang i beam;
Pressing plate 4, nut 5, spring shim 7 are collected, and used the antirust convenient next time of buying oil; And exposed U-shaped round steel 1 on ground, plane earth blows disconnected with acetylene electric welding.Use the U-shaped round steel 1 that just only need to buy with pressing plate same model next time.
In use procedure, every three built-in fittings are one group, and guarantee to become collinear each interval more than 30 centimetres to furnish and fix in 3, place will placing shaped steel.
Embodiment 2
The difference of the present embodiment and embodiment 1 is only, pressing plate 4 is the steel plate of thickness 10mm, pad 7 is spring shim, girth member 2 be two round steel by single built-in fitting, the connection between two that interval is 30 centimetres 3 group, reinforce balanced action stronger, also can be welded on concrete reinforcing bar pricks on shelf structure simultaneously, allow it be suspended on template, thereby do not have that built-in fitting exposes roof top board and the hidden danger that produces rust staining, effect is better.All the other are substantially the same manner as Example 1.
Claims (10)
1. the pre-buried fastening devices of Cantilever Beams, it is characterized in that, comprise U-shaped round steel, girth member, pressing plate, nut, pad and lid pipe, bottom and the girth member of described U-shaped round steel are affixed, the upper end face of described U-shaped round steel is provided with screw thread, and the length of described screw thread is 7-21mm; The both ends of the surface of described U-shaped round steel are chamfering end face, and described lid pipe box is in the two ends of U-shaped round steel, and the reach on the length of described lid pipe and U-shaped round steel is suitable; Described pressing plate be provided with two with the suitable circular hole of U-shaped round steel, described pressing plate is fixed by nut and U-shaped round steel, between described pressing plate and nut, is provided with pad.
2. the pre-buried fastening devices of Cantilever Beams according to claim 1, is characterized in that, described pad is flat shim or spring shim.
3. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, the diameter of described U-shaped round steel is 16-20mm.
4. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, described pressing plate is that thickness is the angle bar of 4-10mm or the steel plate of 6-10mm.
5. the pre-buried fastening devices of Cantilever Beams according to claim 4, is characterized in that, described pressing plate is that thickness is the angle bar of 6mm or the steel plate of 10mm.
6. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, described lid pipe is PVC lid pipe.
7. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, two distances of straight round steel part and the width of required fixing i iron of described U-shaped round steel are suitable.
8. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, the number that the every end of described U-shaped round steel is provided with nut is 1-3.
9. the pre-buried fastening devices of Cantilever Beams according to claim 8, is characterized in that, the number that the every end of described U-shaped round steel is provided with nut is 2.
10. the pre-buried fastening devices of Cantilever Beams according to claim 1 and 2, is characterized in that, described girth member is the iron plate that two round steel or two leave the hole that pegs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339245.2U CN204001663U (en) | 2014-06-25 | 2014-06-25 | The pre-buried fastening devices of a kind of Cantilever Beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339245.2U CN204001663U (en) | 2014-06-25 | 2014-06-25 | The pre-buried fastening devices of a kind of Cantilever Beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204001663U true CN204001663U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339245.2U Expired - Fee Related CN204001663U (en) | 2014-06-25 | 2014-06-25 | The pre-buried fastening devices of a kind of Cantilever Beams |
Country Status (1)
| Country | Link |
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| CN (1) | CN204001663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211391A (en) * | 2020-09-03 | 2021-01-12 | 江苏南通三建集团股份有限公司 | Construction process of overhung profile steel fixing bolt and protective sleeve capable of being used in turnover mode |
-
2014
- 2014-06-25 CN CN201420339245.2U patent/CN204001663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211391A (en) * | 2020-09-03 | 2021-01-12 | 江苏南通三建集团股份有限公司 | Construction process of overhung profile steel fixing bolt and protective sleeve capable of being used in turnover mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180625 |