CN103422665A - Scaffold - Google Patents
Scaffold Download PDFInfo
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- CN103422665A CN103422665A CN2013103314881A CN201310331488A CN103422665A CN 103422665 A CN103422665 A CN 103422665A CN 2013103314881 A CN2013103314881 A CN 2013103314881A CN 201310331488 A CN201310331488 A CN 201310331488A CN 103422665 A CN103422665 A CN 103422665A
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- fastener
- framework
- scaffold
- frame
- holddown groove
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- 210000003734 kidney Anatomy 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a scaffold which comprises frames and connecting fasteners. The frames are fixed through the connecting fasteners to form one or more frame units, the frame units are combined to form a supporting structure of the scaffold, mounting and fixing grooves are formed in both sides of the frames, and the cross sections of the frames are of a bi-directional C-type structure. Each connecting fastener comprises a first fastener, a second fastener and a third fastener. Through the fact that the frames with the cross sections of the bi-directional C-type structure are adopted, the fasteners with a specific structure are used for forming the frame units in a bolting mode, fixing structures of different positions of a scaffold are made to be roughly identical, therefore, the assembling and disassembling of the scaffold are made to be relative convenient, and temporary fixation structures can be added at any position of the scaffold body by using the frames and the mounting and fixing grooves in the two sides of scissors brace frames. Meanwhile, the scaffold can be applied to various construction sites, and is wide in application range, simple in structure, suitable for large-scale production, and easy to popularize.
Description
Technical field
The present invention relates to a kind of building operations servicing unit, in particular, the present invention relates generally to a kind of scaffold.
Background technology
Scaffold (scaffold) for workman's operation various supports that also high-rise working is set up, is the generic term of building field at the construction field (site), mainly on building site, is used in the higher place that can't directly construct of exterior wall, interior decoration or floor height.Scaffold is made material bamboo and wood, steel pipe or synthetic materials etc. usually,
In the part engineering, also scaffold is used as template at present, it also is widely used in the fields such as advertising, municipal administration, traffic road and bridge, mine in addition.And get back in building field, the scaffold used at present is mainly to adopt steel pipe, connection fastener and other parts to be set up according to predetermined specification, can't in the process of setting up, on existing support body, set up required fixed structure temporarily, and need to use the steel pipe of different size for the different parts of support body, cause the scaffolding kind more, and the frame structure complexity all needs to expend too much artificial in the process of assembling and dismounting, and with regard to single constructor, labour intensity is large; While assembling, the uniformity of support body different parts syndeton is low simultaneously, and then also increase thereupon of the uncertainty produced by human factor in assembling process, easily causes support body to have many potential safety hazards; So based on foregoing problems,
Be necessary to do further improvement for the structure of existing building scaffold.
Summary of the invention
One of purpose of the present invention is to provide a kind of scaffold for above-mentioned deficiency, and the specification that solves scaffold building material in prior art with expectation is more, and assembling and dismounting complex procedures can't be set up the technical problems such as support body support temporarily.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of scaffold provided by the present invention, comprise framework and connection fastener, described framework is fixed and is formed one or more frame units by connection fastener, described frame unit combination builds the braced structures of scaffold, the both sides of described framework are equipped with the installation holddown groove, and its cross section is two-way C type structure; Described connection fastener comprises the first fastener that extends connection for frame roof, for the second fastener along three-dimensional X-axis, Y-axis, Z axis three perpendicular fixed frames and the 3rd fastener.
As preferably, further technical scheme is: described the first fastener, the second fastener and the 3rd fastener all are placed in the framework both sides by top the bolt in holddown groove are installed, and are mode fixed frame vertical or extension.
Further technical scheme is: the lower side profile at described bolt top and its contact surface in the frame installation holddown groove match.
Further technical scheme is: described framework is by also being provided with the scissors bracing frame that is oblique on the fixing frame unit formed of connection fastener, and described scissors bracing frame is fixed on framework by the 4th fastener, and at least oblique through two frame units.
Further technical scheme is: the both sides of described scissors bracing frame also are provided with the installation holddown groove, and its cross section also is two-way C type structure, described the 4th fastener is placed in framework by top and the bolt in holddown groove, oblique scissors bracing frame and the framework of being connected and fixed are installed in scissors bracing frame both sides.
Further technical scheme is: described the 4th fastener is the semiclosed cylindrical body matched with framework, scissors bracing frame profile, and the two ends of described semiclosed cylindrical body are provided with mounting hole or kidney slot, and its near middle also is provided with the screw that is convex.
Further technical scheme is: described the first fastener is the cylindrical body matched with frame profiles, and also is provided with mounting hole or kidney slot on its two ends.
Further technical scheme is: it is step-like that described the second fastener is several fonts that match with frame profiles, and also be provided with mounting hole or kidney slot on its two ends.
Further technical scheme is: it is step-like that described the 3rd fastener is several fonts that match with frame profiles, and be equipped with mounting hole or kidney slot on its two ends and side.
Further technical scheme is: the rectangular body of described frame unit.
Compared with prior art, one of beneficial effect of the present invention is: by adopting cross section, be the framework of double C-type structure, and with the fastener of ad hoc structure and all adopt the fixing frame unit that forms of bolt, make the fixed structure of support body different parts roughly the same, thereby make the assembly and disassembly of scaffold all more for convenience, utilize the installation holddown groove of framework and scissors bracing frame both sides, can set up temporary fixed braced structures in the optional position of support body, also can be used as the installation basic component of miscellaneous equipment, adapting to different directions fixes, a kind of scaffold provided by the present invention can be used in all kinds of building site simultaneously, range of application is wide, and simple in structure, the uniformity of support body assembled material kind is high, suitability for scale production, be easy to promote.
The accompanying drawing explanation
Fig. 1 is for the overall structure schematic diagram of one embodiment of the invention is described;
Fig. 2 is the A-A generalized section in Fig. 1
Fig. 3 is that B in Fig. 1 is to partial enlarged drawing;
The enlarged drawing that Fig. 4 is C place in Fig. 1;
The enlarged drawing that Fig. 5 is D place in Fig. 1;
The E that Fig. 6 is Fig. 5 is to schematic diagram;
The structural representation that Fig. 7 is the first fastener in another embodiment of the present invention;
The structural representation that Fig. 8 is the second fastener in another embodiment of the present invention;
The structural representation that Fig. 9 is the 3rd fastener in another embodiment of the present invention;
The structural representation that Figure 10 is the 4th fastener in another embodiment of the present invention;
In figure, 1 is that framework, 11 is that frame unit, 12 is that installation holddown groove, 2 is that the first fastener, 21 is that mounting hole or kidney slot, 3 are that the second fastener, 31 is that mounting hole or kidney slot, 32 are that screw, 4 is that the 3rd fastener, 41 is that mounting hole or kidney slot, 5 are that bolt, 6 is that scissors bracing frame, 7 is that the 4th fastener, 71 is that mounting hole or kidney slot, 72 are that screw, 8 is through hole.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, one embodiment of the present of invention are a kind of scaffold, same as the prior art, need to have framework 1 and connection fastener in this scaffold, and framework 1 is by fixing one or more frame units 11, the braced structures of described frame unit 11 combination structure scaffolds of forming of connection fastener; In conjunction with reference to shown in figure 2, unlike the prior art, need arrange in the both sides of aforesaid frame 1 holddown groove 12 is installed, this installs the equal in length of holddown groove 12 and each framework 1, be that its cross section is two-way C type structure, and in implementation process, can aforesaid two-way C type structure be set to the symmetric form shown in Fig. 2, to facilitate any part at framework 1 to be fixed connection, now can be considered as fixable track by holddown groove 12 is installed, be suitable for increasing temporary support structure on scaffold;
And another of the present embodiment and prior art is not both aforesaid connection fastener, it at least has three kinds of different structures, according to its function, divide, wherein a kind of is the first fastener 2, effect is to extend and connect for framework 1 top, the effect that remains two kinds is identical, is the second fastener 3 and the 3rd fastener 4, for along three-dimensional X-axis, Y-axis, the vertical fixed frame 1 of Z axis three-dimensional.In the present embodiment, one of improvement that aforementioned two-way C type structure is maximum of the present invention, it has replaced the existing steel pipe adopted while setting up scaffold fully, and has solved the problems such as the existing dismounting of steel pipe scaffold is complicated, the fixed structure uniformity is low.Concrete structure about aforementioned two-way C type structural framing, can be with reference to shown in figure 2 and i-beam structure of the prior art, but i iron can not be equal to aforesaid two-way C type structure, be the extension that its cross section two ends all have mutual correspondence, and should there is gap between mutual corresponding extension.
The present embodiment in actual use, adopt the first fastener 2, the second fastener 3 and the 3rd fastener 4 are fixed framework 1 to form a plurality of frame units 11 according to structures intrinsic in prior art, and under regular situation, this frame unit 11 is cuboid, after a plurality of aforesaid frame units 11 link together round building, form the whole scaffold around formula, its mode of occupation is identical with steel pipe scaffold of the prior art, along with the height of building middle building constantly increases, adopt above-mentioned the first fastener 2 to extend upward connection, the height that makes scaffold is along with the height of building increases and increases.
Shown in figure 3 and Fig. 4, in another embodiment of the present invention, for further promoting the fixing convenience with dismantling between connection fastener and framework, a kind of preferred detachable fixed form is provided, be that above-mentioned the first fastener 2, the second fastener 3 and the 3rd fastener 4 all are placed in the bolt 5 in framework 1 both sides installation holddown groove 12 by top, be mode fixed frame 1 vertical or that extend.And, for elevator bolt 5 tops are placed in the stability in frame installation holddown groove 12, the lower side profile at bolt 5 tops that also can be as shown in Figure 3 is set to match with its contact surface in frame installation holddown groove 12.
With reference to shown in figure 1, in the present invention, for the technical solution problem, in an embodiment who is more preferably, the stability while using for hoisting scaffold, also can set up the scissors bracing frame 6 that is oblique by connection fastener on the fixing frame unit 11 formed at framework 1 again; Shown in Fig. 5, Fig. 6, this scissors bracing frame 6 is fixed on framework 1 by the 4th fastener 7, and at least oblique through two frame units 11, obviously, this scissors bracing frame 6 can reduce some inevitable potential safety hazards that scaffold stays in assembling process after being fixed on frame unit 11, for not hindering scaffold to use, preferably aforesaid scissors bracing frame 6 is arranged on the outside of scaffold simultaneously, not with its side relative around building.
Further, above-mentioned scissors bracing frame 6 structures own also will have influence on its fixed form on frame unit 11 and the convenience of dismounting, therefore scissors bracing frame 6 can be set to the structure identical with framework 1, arrange in scissors bracing frame 6 both sides holddown groove 61 is installed, make its cross section also be two-way C type structure, and the 4th fastener 7 is placed in framework 1 by top, with scissors bracing frame 6 both sides, the bolt 5 in holddown groove is installed, oblique scissors bracing frame 6 and the framework 1 of being connected and fixed.
The technical scheme of mentioning as above-mentioned a plurality of embodiment, improvement of the present invention is except the framework 1 and scissors bracing frame 6 of two-way C type structure, be on the other hand the above-mentioned connection fastener with difference in functionality, be below that the inventor is in process of the test, think more suitable connection fastener than above-described embodiment, and the concrete structure of following the first fastener 2, the second fastener 3, the 3rd fastener 4, the 4th fastener 7, can combine with above-mentioned any one embodiment, according to the thinking in corresponding embodiment, be configured to other similar embodiment of the present invention.
Shown in figure 7, the first above-mentioned fastener 2 can be set to the cylindrical body matched with framework 1 profile, and should be provided with mounting hole or kidney slot 41 on its two ends, make it can be used for framework 1 illustrated in fig. 3 and extend connection, the two ends of framework 1 are linked together on the same straight line, can be used for upwards vertically setting up of scaffold; And due to the mode of the first fastener 2 connecting frames 1 for to connect on same straight line, therefore it also can be used for the splicing of transverse frame 1, and stability and with the conformability of other structures of scaffold on by conventional fastener, make steel pipe and steel pipe mutually stagger and overlap in obviously being better than prior art connecting method.
Shown in figure 8, the second above-mentioned fastener 3 can directly be set to the "Ji" type step-like structure matched with framework 1 profile, and also be provided with mounting hole or kidney slot 31 on its two ends, near middle is provided with screw 32, screw 32 makes to be placed in acting as of two ends mounting hole or kidney slot 21 bolt 5 that holddown groove 12 inside are installed and passes, and by the nut matched with bolt 5, the second fastener 3 is fixed together with framework 1, be suitable for the framework 1 along three-dimensional X-axis and Y direction is fixed together.And also it should be noted that herein, the length at above-mentioned bolt 5 tops need be greater than the width that holddown groove 12 is installed, after making it fixing according to aforesaid mode, can not come off, the width at bolt 5 tops needs to be less than the width that holddown groove 12 is installed, make it can directly extend transversely into the inside that holddown groove 12 is installed, and then form and engage with installation holddown groove 12 after 90-degree rotation.
Shown in figure 9, above-mentioned the 3rd fastener 4 and the second fastener 3 are comparatively similar, also be the "Ji" type step-like structure matched with framework 1 profile, not being all on its two ends and side that it is unique is equipped with mounting hole or kidney slot 41, makes it framework of the direction along three-dimensional X-axis and Y-axis can be fixed together.
Shown in Figure 10, according to another embodiment of the present invention, for making the 4th fastener 7 can be adapted to the oblique fixed form between above-mentioned scissors bracing frame 6 and framework 1, preferably it is set to and framework 1, the semiclosed cylindrical body that scissors bracing frame 6 profiles match, the two ends of described semiclosed cylindrical body are provided with mounting hole or kidney slot 71, and its near middle also is provided with the screw 72 that is convex, arrange that the purpose of screw 72 goes out as shown in Figure 6, while on framework 1 and scissors bracing frame 6, all being fixed with the 4th fastener 7, can utilize this screw 72 by bearing pin, two the 4th fasteners 7 to be fixed together, and then scissors bracing frame 6 is being fixedly connected with obliquely with framework 1.
Although adopted four kinds of fasteners for the fixing different stitching positions of scaffold support body in the present invention, but above-mentioned the first fastener 2, the second fastener 3, the 3rd fastener 4 and the 4th fastener 7 are all to adopt bolt 5 tops are stretched into and holddown groove 12 inside are installed are fixed in the mode of nut, therefore there is identical fixed form from different connection fasteners, aforementioned four kinds of connection fasteners can be considered as to identical fixed structure, be that uniformity is higher, assembly and disassembly are all comparatively simple and convenient, and support body assembled material kind is single.
And except above-mentioned, also it should be noted that " embodiment ", " another embodiment " that spoken of in this manual, " embodiment " etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In manual, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while in conjunction with arbitrary embodiment, describing a specific features, structure or characteristics, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also fall within the scope of the invention.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (10)
1. a scaffold, comprise framework (1) and connection fastener, described framework (1) is by the fixing one or more frame units (11) that form of connection fastener, described frame unit (11) combination builds the braced structures of scaffold, it is characterized in that: the both sides of described framework (1) are equipped with installs holddown groove (12), and its cross section is two-way C type structure; Described connection fastener comprises the first fastener (2) that extends connection for framework (1) top, for the second fastener (3) along three-dimensional X-axis, Y-axis, the perpendicular fixed frame of Z axis three (1) and the 3rd fastener (4).
2. scaffold according to claim 1, it is characterized in that: described the first fastener (2), the second fastener (3) all are placed in framework (1) both sides by top with the 3rd fastener (4) bolt (5) in holddown groove (12) are installed, and are mode fixed frame (1) vertical or that extend.
3. scaffold according to claim 2 is characterized in that: the lower side profile at described bolt (5) top and its contact surface in framework (1) is installed holddown groove (12) match.
4. scaffold according to claim 1, it is characterized in that: described framework (1) is by the fixing frame unit (11) formed of connection fastener, also being provided with the scissors bracing frame (6) that is oblique, it is upper that described scissors bracing frame (6) is fixed on framework (1) by the 4th fastener (7), and at least oblique through two frame units (11).
5. scaffold according to claim 4, it is characterized in that: the both sides of described scissors bracing frame (6) also are provided with installs holddown groove (61), and its cross section also is two-way C type structure, described the 4th fastener (7) is placed in framework (1) by top, with scissors bracing frame (6) both sides, the bolt (5) in holddown groove is installed, oblique scissors bracing frame (6) and the framework (1) of being connected and fixed.
6. according to the described scaffold of claim 4 or 5, it is characterized in that: described the 4th fastener (7) is the semiclosed cylindrical body matched with framework (1), scissors bracing frame (6) profile, the two ends of described semiclosed cylindrical body are provided with mounting hole or kidney slot (71), and its near middle also is provided with the screw (72) that is convex.
7. according to the described scaffold of claims 1 to 3 any one, it is characterized in that: described the first fastener (2) is the cylindrical body matched with framework (1) profile, and also is provided with mounting hole or kidney slot (41) on its two ends.
8. according to the described scaffold of claims 1 to 3 any one, it is characterized in that: it is step-like that described the second fastener (3) is several fonts that match with framework (1) profile, and also be provided with mounting hole or kidney slot (31) on its two ends, near middle is provided with screw (32).
9. according to the described scaffold of claims 1 to 3 any one, it is characterized in that: it is step-like that described the 3rd fastener (4) is several fonts that match with framework (1) profile, and be equipped with mounting hole or kidney slot (41) on its two ends and side.
10. scaffold according to claim 1, it is characterized in that: the rectangular body of described frame unit (11), described cross section is the installation holddown groove (12) of framework (1) both sides of two-way C type structure, by a plurality of through holes (8) that are placed on framework (1) central-web, be interconnected, described through hole (8) is for the projection at socket joint bolt (5) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331488.1A CN103422665B (en) | 2013-01-25 | 2013-08-01 | A kind of scaffold |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310030428 | 2013-01-25 | ||
| CN201310030428.6 | 2013-01-25 | ||
| CN201310331488.1A CN103422665B (en) | 2013-01-25 | 2013-08-01 | A kind of scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103422665A true CN103422665A (en) | 2013-12-04 |
| CN103422665B CN103422665B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310331488.1A Expired - Fee Related CN103422665B (en) | 2013-01-25 | 2013-08-01 | A kind of scaffold |
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| Country | Link |
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| CN (1) | CN103422665B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821340A (en) * | 2014-03-10 | 2014-05-28 | 成都嘉泽正达科技有限公司 | Installation method for attached lifting multilayer construction platform |
| CN107101700A (en) * | 2017-06-02 | 2017-08-29 | 广东青藤环境科技有限公司 | A kind of test device for radio remote transmitting water meter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1092186A (en) * | 1965-05-13 | 1967-11-22 | I P P S P A | Tubular scaffolding and connections |
| US3972638A (en) * | 1974-02-15 | 1976-08-03 | Arte Vetrina S.R.L. | System in which a number of structural members are used to form compound structures, particularly structures for furnishings |
| GB2065257A (en) * | 1979-12-14 | 1981-06-24 | Press Components Co Ltd | Sleeve coupling for a pair of scaffolding members |
| JPH01122185A (en) * | 1987-11-06 | 1989-05-15 | Asahi Glass Co Ltd | Laminated board |
| FR2643950A1 (en) * | 1989-03-03 | 1990-09-07 | Vitale Nicolas | Tubular scaffolding collar with locking preventing the wedge from moving back |
| DE29700700U1 (en) * | 1997-01-16 | 1997-03-13 | Metallbau-Bedarf GmbH, 47877 Willich | Kit for the production of building or supporting structures etc. |
| CN2498251Y (en) * | 2001-10-17 | 2002-07-03 | 徐长明 | Plank platform on scaffold |
| CN2617857Y (en) * | 2003-02-20 | 2004-05-26 | 李富安 | Quick rotating connector for scaffold |
-
2013
- 2013-08-01 CN CN201310331488.1A patent/CN103422665B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1092186A (en) * | 1965-05-13 | 1967-11-22 | I P P S P A | Tubular scaffolding and connections |
| US3972638A (en) * | 1974-02-15 | 1976-08-03 | Arte Vetrina S.R.L. | System in which a number of structural members are used to form compound structures, particularly structures for furnishings |
| GB2065257A (en) * | 1979-12-14 | 1981-06-24 | Press Components Co Ltd | Sleeve coupling for a pair of scaffolding members |
| JPH01122185A (en) * | 1987-11-06 | 1989-05-15 | Asahi Glass Co Ltd | Laminated board |
| FR2643950A1 (en) * | 1989-03-03 | 1990-09-07 | Vitale Nicolas | Tubular scaffolding collar with locking preventing the wedge from moving back |
| DE29700700U1 (en) * | 1997-01-16 | 1997-03-13 | Metallbau-Bedarf GmbH, 47877 Willich | Kit for the production of building or supporting structures etc. |
| CN2498251Y (en) * | 2001-10-17 | 2002-07-03 | 徐长明 | Plank platform on scaffold |
| CN2617857Y (en) * | 2003-02-20 | 2004-05-26 | 李富安 | Quick rotating connector for scaffold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821340A (en) * | 2014-03-10 | 2014-05-28 | 成都嘉泽正达科技有限公司 | Installation method for attached lifting multilayer construction platform |
| CN103821340B (en) * | 2014-03-10 | 2016-02-10 | 成都嘉泽正达科技有限公司 | The mounting method of adhering lifting multilayer operation platform |
| CN107101700A (en) * | 2017-06-02 | 2017-08-29 | 广东青藤环境科技有限公司 | A kind of test device for radio remote transmitting water meter |
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| Publication number | Publication date |
|---|---|
| CN103422665B (en) | 2015-11-18 |
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Granted publication date: 20151118 |