CN214195534U - Hang a formula steel truss platform and descend anti-sticking structure - Google Patents
Hang a formula steel truss platform and descend anti-sticking structure Download PDFInfo
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- CN214195534U CN214195534U CN202022331409.5U CN202022331409U CN214195534U CN 214195534 U CN214195534 U CN 214195534U CN 202022331409 U CN202022331409 U CN 202022331409U CN 214195534 U CN214195534 U CN 214195534U
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Abstract
A landing anti-jamming structure of a suspended support type steel truss platform comprises suspended support type steel trusses, winches and truss pulling pieces, wherein the truss pulling pieces connect and fix the suspended support type steel trusses, the winches are arranged on a construction platform at the upper end of a silo, and the suspended support type steel trusses are hoisted on the inner side of the silo through the winches and slide downwards; the tail part of the suspension type steel truss is provided with a rotating shaft mechanism and a plug pin positioning mechanism, and the tail part of the suspension type steel truss can be bent along the horizontal direction of the rotating shaft mechanism and is positioned through the plug pin positioning mechanism. Compared with the prior art, the beneficial effects of the utility model are that: the tail part of the suspended steel truss can be horizontally bent, the whole outer circumference of the bent steel truss can be reduced in the descending process, and the suspended steel truss platform can be prevented from being blocked in the descending process.
Description
Technical Field
The utility model relates to a construction field especially relates to a hang a formula steel truss platform descending and prevent card and hinder structure.
Background
The suspended support type steel truss system construction top platform utilizing the slip form process is gradually accepted in recent years. Under the action of upper load, the strength of the pre-buried iron pieces and the bolts, the rigidity and the deformation of the truss are calculated theoretically, the technology is feasible, safe and reliable, an upper platform supporting system is erected on the suspended truss, the material and labor input is reduced, the construction period can be shortened, and the cost is saved.
And (3) when the silo top plate concrete reaches the form removal strength, removing the top plate formwork support, hanging the suspension type steel truss platform, removing the steel corbels on the vertical wall, and finally descending the steel truss platform to the ground for disassembly.
In the descending process, because the plurality of hoisting winches cannot be synchronously released, the suspended steel truss platform is difficult to descend in the descending process in a horizontal state, the inner wall of the silo is scraped and touched, the steel truss can be clamped inside the silo in serious conditions, the steel truss platform is difficult to advance and retreat, and great potential safety hazards are brought to construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hang formula steel truss platform descending anti-sticking and hinder structure hangs a formula steel truss's afterbody and can horizontally buckle, and at the in-process that descends, the whole outer circumference of steel truss after buckling will dwindle, can prevent to hang a formula steel truss platform and hinder at the in-process card that descends.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a landing anti-jamming structure of a suspended support type steel truss platform comprises suspended support type steel trusses, winches and truss pulling pieces, wherein the truss pulling pieces connect and fix the suspended support type steel trusses, the winches are arranged on a construction platform at the upper end of a silo, and the suspended support type steel trusses are hoisted on the inner side of the silo through the winches and slide downwards; the tail part of the suspension type steel truss is provided with a rotating shaft mechanism and a plug pin positioning mechanism, and the tail part of the suspension type steel truss can be bent along the horizontal direction of the rotating shaft mechanism and is positioned through the plug pin positioning mechanism.
The rotating shaft mechanism comprises a rotating shaft and a rotating shaft support, the rotating shaft is mounted on the rotating shaft support, the rotating shaft is fixedly welded with the tail of the suspended steel truss, and the rotating shaft support is fixedly welded with the fixed side of the suspended steel truss.
The rotating shaft support is also welded and fixed with the outermost truss pulling-connecting piece.
The bolt positioning mechanism comprises positioning plates and U-shaped bolts, one positioning plate is fixed at the tail of the suspended steel truss, the other positioning plate is fixed on the pulling and connecting piece of the outermost side truss, and the U-shaped bolts are inserted into the two fixing plates to position the tail of the suspended steel truss.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a hang formula steel truss platform and descend anti-sticking structure, the afterbody of hanging a formula steel truss can horizontally buckle, and at the in-process that descends, the whole circumference of steel truss after buckling will dwindle, can prevent to hang a formula steel truss platform and block at the in-process that descends.
Drawings
FIG. 1 is a schematic illustration of the descent of a cantilevered steel truss;
FIG. 2 is an enlarged view of point A in FIG. 1;
FIG. 3 is a view from the C-C of FIG. 2;
FIG. 4 is a top view (one) of FIG. 1;
FIG. 5 is a top view (II) of FIG. 1;
FIG. 6 is an enlarged view of point B in FIG. 5;
fig. 7 is an enlarged view of point D in fig. 4.
In the figure: the method comprises the following steps of 1-truss longitudinal and transverse beams, 2-rotating shafts, 3-rotating shaft supports, 4-reinforcing ribs, 5-truss inclined supports, 6-connecting plates, 7-hanging type steel truss tails, 8-truss pulling pieces, 9-central cylinders, 10-positioning plates, 11-U-shaped bolts, 12-winches, 13-silos, 14-rotating shaft mechanisms and 15-hanging type steel trusses.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
referring to fig. 1-7, the landing anti-jamming structure of the suspended support type steel truss platform comprises suspended support type steel trusses 15, winches 12 and truss pulling and connecting pieces 8, wherein the plurality of truss pulling and connecting pieces 8 connect and fix the plurality of suspended support type steel trusses 15, the winches 12 are arranged on a construction platform at the upper end of a silo 13, and the suspended support type steel trusses 15 are hoisted on the inner side of the silo 13 through the winches 12 and slide downwards; the hanging type steel truss tail 7 is provided with a rotating shaft mechanism 14 and a plug pin positioning mechanism, and the hanging type steel truss tail 7 can be bent along the horizontal direction of the rotating shaft mechanism 14 and is positioned through the plug pin positioning mechanism.
The rotating shaft mechanism 14 comprises a rotating shaft 2 and a rotating shaft support 3, the rotating shaft 2 is installed on the rotating shaft support 3, the rotating shaft 2 is fixedly welded with the tail portion 7 of the suspension type steel truss, and the rotating shaft support 3 is fixedly welded with the fixed side of the suspension type steel truss 15.
The rotating shaft support 3 is also welded and fixed with the outermost truss draw-connection piece 8.
The bolt positioning mechanism comprises positioning plates 10 and U-shaped bolts 11, one positioning plate 10 is fixed on the tail portion 7 of the suspension type steel truss, the other positioning plate 10 is fixed on the pull-connecting piece 8 of the outermost side truss, and the U-shaped bolts 11 are inserted into the two positioning plates to position the tail portion 7 of the suspension type steel truss. The U-shaped bolt 11 has two types, one type is shorter and is suitable for positioning the tail part 7 of the suspension type steel truss after being bent and the side truss pulling piece 8; the other length is suitable for positioning the tail part 7 of the suspended support type steel truss with the side truss pulling piece 8 after being straightened.
A use method of a suspension type steel truss platform descending anti-blocking structure comprises the following steps:
1) when the suspended steel truss 15 is lifted, the tail part 7 of the suspended steel truss is rotated to be the same straight line with the fixed side of the suspended steel truss, and is inserted and fixed through a U-shaped bolt 11 (as shown in fig. 4 and 7); a platform template is arranged on the suspended support type steel truss, so that construction operation is facilitated.
2) When the cantilever steel truss 15 is descended, the platform template on the cantilever steel truss is removed, the U-shaped bolt 11 is pulled out, the tail part 7 of the cantilever steel truss is bent, and then the cantilever steel truss is fixedly inserted through the U-shaped bolt 11 with the corresponding length (as shown in fig. 5 and 6).
Claims (4)
1. A landing anti-jamming structure of a suspended support type steel truss platform comprises suspended support type steel trusses, winches and truss pulling pieces, wherein the truss pulling pieces connect and fix the suspended support type steel trusses, the winches are arranged on a construction platform at the upper end of a silo, and the suspended support type steel trusses are hoisted on the inner side of the silo through the winches and slide downwards; the suspended steel truss structure is characterized in that a rotating shaft mechanism and a plug pin positioning mechanism are arranged at the tail part of the suspended steel truss, and the tail part of the suspended steel truss can be bent along the horizontal direction of the rotating shaft mechanism and is positioned through the plug pin positioning mechanism.
2. The landing anti-jamming structure of the suspended steel truss platform as claimed in claim 1, wherein the rotation shaft mechanism comprises a rotation shaft and a rotation shaft support, the rotation shaft is mounted on the rotation shaft support, the rotation shaft is welded and fixed with the tail part of the suspended steel truss, and the rotation shaft support is welded and fixed with the fixed side of the suspended steel truss.
3. The structure of claim 2, wherein the rotating shaft bracket is further welded to the outermost truss tie member.
4. The landing anti-jamming structure of the suspended steel truss platform as claimed in claim 1, wherein the pin positioning mechanism comprises positioning plates and U-shaped pins, one positioning plate is fixed on the tail of the suspended steel truss, the other positioning plate is fixed on the outermost truss pulling member, and the U-shaped pins are inserted into the two positioning plates to position the tail of the suspended steel truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331409.5U CN214195534U (en) | 2020-10-19 | 2020-10-19 | Hang a formula steel truss platform and descend anti-sticking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331409.5U CN214195534U (en) | 2020-10-19 | 2020-10-19 | Hang a formula steel truss platform and descend anti-sticking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214195534U true CN214195534U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022331409.5U Active CN214195534U (en) | 2020-10-19 | 2020-10-19 | Hang a formula steel truss platform and descend anti-sticking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214195534U (en) |
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2020
- 2020-10-19 CN CN202022331409.5U patent/CN214195534U/en active Active
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