CN211974292U - Scaffold bridging connecting fastener - Google Patents
Scaffold bridging connecting fastener Download PDFInfo
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- CN211974292U CN211974292U CN201922427247.2U CN201922427247U CN211974292U CN 211974292 U CN211974292 U CN 211974292U CN 201922427247 U CN201922427247 U CN 201922427247U CN 211974292 U CN211974292 U CN 211974292U
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- bridging
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Abstract
The utility model provides a scaffold bridging connecting fastener carries out fixed connection with scaffold pole setting, the inboard steel pipe of bridging and the bridging outside steel pipe of bridging in the installation of scaffold bridging. The fastener comprises steel pipe fasteners at the inner sides of the cross braces and steel pipe fasteners at the two sides of the cross braces. Utilize this movable fastener can avoid the bridging outside steel pipe in traditional connected mode to be connected with little horizontal pole and destroy close mesh net, can avoid simultaneously because of clamping a bridging inboard steel pipe between bridging outside steel pipe and the scaffold pole setting, and make the movable fastener commonly used can not connect bridging outside steel pipe and scaffold pole setting well. This fastener can make the security performance of bridging play out completely, reduces the risk that the bridging used, improves the connection performance of scaffold bridging, and then improves holistic security and reliability of scaffold.
Description
Technical Field
The utility model relates to a scaffold bridging connecting fastener uses in the scaffold platform that the work progress was built for construction convenience and construction safety, belongs to construction technical field.
Background
At present, scaffolds are required to be used in all building construction sites. Scaffolding is a variety of supports erected on a construction site for workers to handle and address vertical and horizontal transport. When the position that can't directly be under construction such as outer wall, inside or high-rise exists on the building site, need utilize the scaffold to ensure that constructor can be under construction smoothly. The scaffold used in China at present has various types and can be suitable for different occasions. However, since the erection tool itself, the construction technology thereof and the operation safety management work are in a relatively lagged state for a long time, the occurrence rate of accidents is high. The cross braces play a role in longitudinal stability of the scaffold, are important rods for strengthening longitudinal rigidity, and guarantee that the overall structure of the scaffold is not deformed and the construction safety is guaranteed.
The connecting fastener of the current bridging and scaffold main rod adopts a movable fastener. When the inner side scissor steel pipes of the scissor braces are connected with the upright stanchions of the scaffold, the inner side scissor steel pipes of the scissor braces can be firmly fixed together through the connecting fasteners. However, the outer scissors steel tube and the upright rod are connected together due to the existence of the inner scissors steel tube. Some construction areas link to each other it with inside little horizontal pole for making outside scissors steel pipe stable, but it can cause the destruction of dense mesh net, influences the scaffold frame outward appearance, and the damaged dense mesh net can make the damage aggravate in the open air for a long time of exposing simultaneously. Under many circumstances, outside scissors steel pipe and scaffold frame pole setting can not use the fastener to be connected at whole junctions, can only be in some positions through the outside scissors steel pipe of external force bending, make it adopt the fastener to connect after being close to the scaffold frame pole setting, but this method can seriously influence the straightness of outside steel pipe, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a scaffold puts up bridging connection fastener can realize the connection of scaffold frame pole setting, inboard and outside scissors steel pipe effectively, does not influence the supporting role of outside scissors steel pipe performance self simultaneously, avoids the bending of outside steel pipe.
The technical scheme of the utility model as follows:
a cross brace connecting fastener for a scaffold comprises cross brace inner side steel pipe fasteners and symmetrical steel pipe fasteners located on two sides.
Furthermore, the steel pipe fasteners are used for fastening steel pipes outside the cross braces and the scaffold upright rods respectively; the steel pipe fastener on the inner side of the cross brace comprises two middle fastener semi-wrapping components, a rotatable top end of a middle fastener and a middle fastener opening fastening part; the rotatable top end of the middle fastener is composed of a first bolt of the middle fastener and a first nut of the middle fastener, and the two half-wrapping components of the middle fastener are connected, so that the half-wrapping components of the middle fastener can rotate along the central axis of the first bolt of the middle fastener to control the size of the opening of the steel pipe fastener; the middle fastener opening fastening component of the cross-brace inner steel pipe fastener is composed of a middle fastener second bolt and a middle fastener second nut and is used for fastening the cross-brace inner steel pipe.
Further, the steel pipe fastener comprises two-side fastener semi-wrapping components, two-side fastener rotatable top ends and two-side fastener opening fastening components; the rotatable top ends of the two side fasteners are composed of two side fastener first bolts and two side fastener first nuts, and the two side fastener half-wrapping components are connected, so that the two side fastener half-wrapping components can rotate along the central axes of the two side fastener first bolts to control the sizes of the holes of the steel pipe fasteners; the fastener opening fastening parts on the two sides are composed of fastener second bolts on the two sides and fastener second nuts on the two sides, and fasten the scaffold upright rod.
Furthermore, the steel pipe fasteners at the inner sides of the cross braces and the steel pipe fasteners at the two sides are connected by a rotatable structure in the middle; the rotatable structure comprises a connecting rod and stop blocks fixedly arranged on two sides of the connecting rod; the two ends of the connecting rod respectively penetrate through the two side fastener semi-wrapping components and the middle fastener semi-wrapping component, the two side fastener semi-wrapping components and the middle fastener semi-wrapping components are limited to be separated through the abutting stop blocks, and the steel pipe fastener on the inner side of the cross brace can rotate to any angle around the connecting rod.
Further, the rotatable structure further comprises a sleeve which is sleeved on the outer side of the connecting rod, so that the outer side of the connecting rod is protected.
Furthermore, rubber pads are arranged inside the two side fastener semi-wrapping components and the middle fastener semi-wrapping component.
Furthermore, the steel pipe fastener and the steel pipe fastener inside the cross brace are both cast iron members.
The utility model discloses following beneficial effect has:
1. the utility model provides a scaffold bridging connecting fastener carries out fixed connection with scaffold pole setting, the inboard steel pipe of bridging and the bridging outside steel pipe of bridging in the installation of scaffold bridging. Utilize this movable fastener can avoid the bridging outside steel pipe in traditional connected mode to be connected with little horizontal pole and destroy close mesh net, can avoid simultaneously because of clamping a bridging inboard steel pipe between bridging outside steel pipe and the scaffold pole setting, and make the movable fastener commonly used can not connect bridging outside steel pipe and scaffold pole setting well. This fastener can make the security performance of bridging play out completely, reduces the risk that the bridging used, improves the connection performance of scaffold bridging, and then improves holistic security and reliability of scaffold.
2. The utility model discloses an increase the steel pipe fastener at middle part, extend original movable fastener, make the steel pipe of scaffold frame pole setting, bridging inside and outside connect on same position. Through newly-increased steel pipe fastener device in the middle of two steel pipe fasteners of original activity fastener, make three steel pipes can link together. Set up the connecting rod simultaneously in the middle of adjacent steel pipe fastener, support dog and sleeve, can rotate with any angle between making two adjacent fasteners, facilitate for the installation of fastener. The fastener ensures that the scaffold upright stanchion and the inner and outer steel pipes can be smoothly connected, the outer steel pipe is ensured not to be twisted, and the safety accident caused by long-time twisting is avoided.
3. The utility model discloses in still be provided with rotatable top and bolt fixing device, can carry out effectual adjustment to the trompil size of steel pipe fastener according to the size of scaffold frame pole setting and bridging steel pipe. The opening of the steel pipe fastener is adjusted through the rotatable top end, and then the steel pipe inside is fixed through a second bolt and a second nut in the fastening device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a rotatable structure.
The reference numbers in the figures denote:
1. a steel pipe fastener; 11. the fastener semi-wraps the component on both sides; 12. the top end of the fasteners at two sides can be rotated; 121. the fastener first bolt of both sides; 122. the first nuts of the fasteners on two sides; 13. the fastener opening fastening component on two sides; 131. the fastener second bolt of both sides; 132. second nuts of the fasteners on two sides; 2. steel pipe fasteners at the inner sides of the cross braces; 21. a middle fastener semi-encased member; 22. the middle fastener can rotate the top end; 221. an intermediate fastener first bolt; 222. a middle fastener first nut; 23. an intermediate fastener opening fastening component; 231. a middle fastener second bolt; 232. a middle fastener second nut; 3. a rotatable structure; 31. a connecting rod; 32. the blocking is fast; 33. a sleeve.
Detailed Description
A cross brace connecting fastener for a scaffold comprises cross brace inner side steel pipe fasteners 2 and steel pipe fasteners 1 located on two sides.
Furthermore, the steel pipe fastener 1 respectively fastens the steel pipe outside the cross brace and the scaffold upright rod; the cross-bracing inner steel pipe fastener 2 comprises two intermediate fastener half-wrapping members 21, an intermediate fastener rotatable top end 22 and an intermediate fastener opening fastening part 23; the rotatable top end 22 of the intermediate fastener is composed of an intermediate fastener first bolt 221 and an intermediate fastener first nut 222, and connects the two intermediate fastener semi-wrapping members 21, so that the intermediate fastener semi-wrapping members 21 can rotate along the intermediate fastener first bolt central axis to control the size of the opening of the steel pipe fastener 2; the intermediate clamp opening fastening member 23 of the cross-brace inner steel pipe clamp 2 is composed of an intermediate clamp second bolt 231 and an intermediate clamp second nut 232, and fastens the cross-brace inner steel pipe.
Further, the steel pipe fastener 1 comprises two-sided fastener half-wrapping members 11, two-sided fastener rotatable top ends 12 and two-sided fastener opening fastening parts 13; the rotatable top end 12 of the two-sided fastener is composed of a two-sided fastener first bolt 121 and a two-sided fastener first nut 122, and the two-sided fastener semi-wrapping members 11 are connected, so that the two-sided fastener semi-wrapping members 11 can rotate along the central axis of the two-sided fastener first bolt 121 to control the size of the opening of the steel pipe fastener 1; the two-side fastener opening fastening part 13 is composed of a two-side fastener second bolt 131 and a two-side fastener second nut 132, and fastens the scaffold upright rod.
Furthermore, the steel pipe fasteners 2 at the inner sides of the cross braces and the steel pipe fasteners 1 at the two sides are connected by a rotatable structure 3 in the middle; the rotatable structure 3 comprises a connecting rod 31 and stop blocks 32 fixedly arranged at two sides of the connecting rod 31; the two ends of the connecting rod 31 respectively penetrate through the two side fastener semi-wrapping members 11 and the middle fastener semi-wrapping member 21, and are limited to be separated by the resisting blocks 32, and the steel pipe fastener 1 and the steel pipe fastener 2 on the inner side of the cross brace can rotate to any angle around the connecting rod 31.
Further, the rotatable structure 3 further includes a sleeve 33 disposed outside the connecting rod 31 for protecting the outside of the connecting rod 31.
Further, rubber pads are arranged inside the two side fastener half-wrapping members 11 and the middle fastener half-wrapping member 21.
Further, the steel pipe fastener 1 and the steel pipe fastener 2 inside the cross brace are both cast iron members.
The utility model discloses a theory of operation:
firstly, according to the arrangement form of the scaffold and the cross braces, the specific positions of the scaffold upright rods, the steel pipes inside the cross braces and the steel pipes outside the cross braces are confirmed, and the specific connection points of the three steel pipes are confirmed.
Secondly, unscrewing second bolts 131 and second nuts 132 of the two-side fasteners on the steel pipe fastener 1 on one side of the novel movable fastener, rotating the semi-wrapping member 11 of the two-side fasteners, opening the steel pipe fastener 1 through the rotatable top end 12 of the two-side fasteners, installing the scaffold upright into the steel pipe fastener 1, and then slightly fastening the second bolts 131 and the second nuts 132 of the two-side fasteners on the steel pipe fastener 1 of the scaffold upright;
then, the steel pipe fastener 1 installed in the scaffold upright rod and the rotatable connecting part 3 between the cross-bracing inner steel pipe fasteners 2 are rotated to rotate the cross-bracing inner steel pipe fasteners 2, the middle fastener opening fastening part 23 is aligned with the cross-bracing inner steel pipes, the middle fastener second nut 232 and the middle fastener second bolt 231 are unscrewed, and the cross-bracing inner steel pipe fasteners 2 are opened. Rotating the middle fastener half wrapping member 21 of the cross-bracing inner steel tube fastener 2, opening the cross-bracing inner steel tube fastener 2 through the middle fastener rotatable top end 22, installing the cross-bracing inner steel tube into the steel tube fastener 2, and then slightly fastening the middle fastener second bolt 231 and the middle fastener second nut 232 on the cross-bracing inner steel tube fastener 2;
then, the hollow steel pipe fastener 1 on the other side is rotated by the rotatable connecting portion 3 between the cross-bracing inner side steel pipe fastener 2 and the hollow steel pipe fastener 1 on the other side, the two side fastener opening fastening parts 13 are aligned with the cross-bracing outer side steel pipe, the two side fastener second nuts 132 and the two side fastener second bolts 131 are loosened, and the steel pipe fastener 1 is opened. Rotating the half-wrapping members 11 of the steel pipe fastener 1 at two sides, opening the steel pipe fastener 1 through the rotatable top end 12 of the steel pipe fastener at two sides, installing the steel pipe outside the cross brace into the steel pipe fastener 1, and then slightly fastening the second bolts 131 of the steel pipe fastener at two sides and the second nuts 132 of the steel pipe fastener at two sides above the steel pipe fastener 1 at two sides;
finally, the positions of the steel pipe and the fastener are adjusted, the second bolts 131 and the second nuts 132 of the two side fasteners on the steel pipe fastener 1 are screwed, and the second bolt 231 and the second nut 232 of the middle fastener on the steel pipe fastener 2 on the inner side of the cross brace are screwed.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a fastener is connected to scaffold frame bridging which characterized in that: comprises steel pipe fasteners (2) at the inner sides of the cross braces and steel pipe fasteners (1) at the two sides; the steel pipe fasteners (1) are used for fastening steel pipes outside the cross braces and the scaffold upright rods respectively; the steel pipe fastener (2) on the inner side of the cross brace comprises two middle fastener half-wrapping members (21), a middle fastener rotatable top end (22) and a middle fastener opening fastening part (23); the rotatable top end (22) of the middle fastener is composed of a first bolt (221) of the middle fastener and a first nut (222) of the middle fastener, the two half wrapping members (21) of the middle fastener are connected, and the half wrapping members (21) of the middle fastener can rotate along the central axis of the first bolt of the middle fastener so as to control the size of the opening of the steel pipe fastener (2); the middle fastener opening fastening part (23) of the cross-bracing inner steel pipe fastener (2) is composed of a middle fastener second bolt (231) and a middle fastener second nut (232) and is used for fastening the cross-bracing inner steel pipe.
2. The scaffold scissor joint fastener of claim 1, wherein: the steel pipe fastener (1) comprises two fastener semi-wrapping components (11) on two sides, a rotatable top end (12) of the fastener on two sides and fastener opening fastening components (13) on two sides; the rotatable top ends (12) of the two side fasteners are composed of first bolts (121) of the two side fasteners and first nuts (122) of the two side fasteners, and the two half-wrapping components (11) of the two side fasteners are connected, so that the half-wrapping components (11) of the two side fasteners can rotate along the central axes of the first bolts (121) of the two side fasteners to control the sizes of the holes of the steel pipe fastener (1); the two-side fastener opening fastening part (13) is composed of two-side fastener second bolts (131) and two-side fastener second nuts (132) and used for fastening the scaffold upright rod.
3. The scaffold scissor joint fastener of claim 2, wherein: the steel pipe fasteners (2) at the inner sides of the cross braces are connected with the steel pipe fasteners (1) at the two sides by a rotatable structure (3) in the middle; the rotatable structure (3) comprises a connecting rod (31) and abutting blocks (32) fixedly arranged on two sides of the connecting rod (31); the two ends of the connecting rod (31) respectively penetrate through the two side fastener semi-wrapping members (11) and the middle fastener semi-wrapping member (21) and are limited to be separated through the abutting blocks (32), and the steel pipe fastener (1) and the steel pipe fastener (2) on the inner side of the cross brace can rotate to any angle around the connecting rod (31).
4. A scaffold scissor coupler according to claim 3 wherein: the rotatable structure (3) further comprises a sleeve (33) which is sleeved on the outer side of the connecting rod (31) and used for protecting the outer side of the connecting rod (31).
5. The scaffold scissor joint fastener of claim 4, wherein: rubber pads are arranged in the two side fastener half-wrapping components (11) and the middle fastener half-wrapping component (21).
6. The scaffold scissor joint fastener of claim 5, wherein: the steel pipe fastener (1) and the steel pipe fastener (2) on the inner side of the cross brace are both cast iron members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427247.2U CN211974292U (en) | 2019-12-30 | 2019-12-30 | Scaffold bridging connecting fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427247.2U CN211974292U (en) | 2019-12-30 | 2019-12-30 | Scaffold bridging connecting fastener |
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| Publication Number | Publication Date |
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| CN211974292U true CN211974292U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922427247.2U Active CN211974292U (en) | 2019-12-30 | 2019-12-30 | Scaffold bridging connecting fastener |
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| CN (1) | CN211974292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463944A (en) * | 2021-06-30 | 2021-10-01 | 中建一局集团第五建筑有限公司 | Connecting fastener and connecting structure for vertical crossing of single rod and double rods |
-
2019
- 2019-12-30 CN CN201922427247.2U patent/CN211974292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463944A (en) * | 2021-06-30 | 2021-10-01 | 中建一局集团第五建筑有限公司 | Connecting fastener and connecting structure for vertical crossing of single rod and double rods |
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