CN216196801U - High altitude construction lifeline fixing device on girder steel - Google Patents
High altitude construction lifeline fixing device on girder steel Download PDFInfo
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- CN216196801U CN216196801U CN202122343953.6U CN202122343953U CN216196801U CN 216196801 U CN216196801 U CN 216196801U CN 202122343953 U CN202122343953 U CN 202122343953U CN 216196801 U CN216196801 U CN 216196801U
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Abstract
The utility model discloses a device for fixing a life line of overhead operation on a steel beam, which comprises a steel wire rope, a fixing component for installing the steel wire rope and a fracture safety buckle, wherein the fixing component for the steel wire rope comprises a suspension part, a supporting rod and a clamping seat, the suspension part and the clamping seat are respectively fixed at the top and the bottom of the supporting rod, the clamping seat is a U-shaped clamping plate and a fastener matched with the U-shaped clamping plate, the U-shaped clamping plate is clamped on the flange of the steel beam and detachably connected and fixed with the steel beam through the fastener, the steel wire rope is fixed above the steel beam through the suspension part at the top of the supporting rod, a fracture gap of the fracture safety buckle can pass through the suspension part but cannot pass through the steel wire rope, and the fracture safety buckle can slide on the fixed steel wire rope in a reciprocating manner and cannot fall off. When the device is used, a worker working aloft directly hangs the own braces safety buckle on the fracture safety buckle in the device, the fracture safety buckle can move on the whole lifeline steel wire rope, the safety buckle on the body of the worker does not need to be taken down during moving operation, and the safety during operation can be greatly improved. The device is simple and stable in structure, and the connecting sheet is arranged between the pair of U-shaped clamping plates, so that the paired U-shaped clamping plates in the clamping seat can not fall off from the flange of the steel beam; on the other hand, connecting pieces with different specifications and lengths can be customized to adapt to steel beams with different sizes. The device installation is demolishd conveniently, but recycle has avoided cutting once more and has demolishd the quality influence to the girder steel behind the steel pipe beading of fixed lifeline wire rope.
Description
Technical Field
The utility model relates to the technical field of constructional engineering steel structure construction operation safety, in particular to a fixing device for an overhead working life line on a steel beam.
Background
At present, steel structure engineering is more and more widely used in super high-rise buildings, steel structures are used at the periphery of a core cylinder in a steel pipe concrete and reinforced concrete cylinder structure, particularly the end parts of steel beams are generally connected and welded through anchor bolts, and the processes of polishing welding seams, spraying antirust paint and the like need to be finished by high-altitude operation. It goes without saying that safety is a very important topic in building construction, and safety belts are used in a high-hanging and low-hanging mode in relation to safety overhead work management regulations, so that it is necessary to set a lifeline for hanging the safety belt in advance during overhead work.
When generally setting up the lifeline in construction site girder steel construction, a vertical short steel pipe of every section distance welding on the girder steel, draw through adjacent short steel pipe and connect wire rope as the lifeline. The lifeline steel wire rope obtained by the construction method has a problem that when the safety belt of an operator and the hanging buckle thereof pass through the fixed point of the steel wire rope and the short steel pipe, the fixed point of the steel wire rope can be crossed by unfastening the safety buckle. Therefore, the method cannot guarantee safety and has certain potential safety hazard. On the other hand, the steel pipes need to be cut off in the later period, and the structural strength of the steel beam can be damaged.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the fixing device for the aloft work lifeline on the steel beam, the fixing device is simple in structure, meanwhile, the fixing device can adapt to the steel beams with different sizes by changing the length of the connecting piece, the fracture safety buckle can move on the whole lifeline steel wire rope, a worker does not need to take down the safety buckle when using the fixing device, and the aloft work safety is greatly improved.
The technical scheme adopted for realizing the aim of the utility model is as follows: the utility model provides a fixing device of high-altitude operation lifeline on girder steel, includes wire rope, installation wire rope's fixed subassembly and fracture safety knot, wire rope's fixed subassembly is including flying piece, bracing piece and pressing from both sides tight seat, and the top and the bottom at the bracing piece are fixed respectively to flying piece and pressing from both sides tight seat, press from both sides tight seat and be U-shaped splint and supporting fastener with it, U-shaped splint clamp is on the edge of a wing that the girder steel leaned on one side, and is fixed with the detachable connection of girder steel through the fastener, wire rope passes through the flying piece at bracing piece top and fixes in the girder steel top, the fracture space of fracture safety knot can pass the flying piece, the fracture space of fracture safety knot is less than the wire rope diameter, fracture safety knot can be on fixed wire rope reciprocating sliding and not breaking off.
The clamping seat is a single or a pair of U-shaped clamping plates, and a screw rod and a connecting sheet which are matched with the U-shaped clamping plates. The U-shaped clamping plate is concavely provided with a plurality of first through holes, nuts are coaxially welded on the first through holes, the first through holes are matched with the nuts in size, a pair of U-shaped clamping plates are oppositely arranged in an opening mode and are respectively clamped on two sides of the flange of one side, close to the upper side, of the steel beam, the screw rod penetrates through the nuts and the first through holes of the U-shaped clamping plate respectively, and the screw rod is screwed in to enable the bottom end of the screw rod to be abutted to the flange of the steel beam. Through holes matched with the screws are distributed at two ends of the connecting piece, and the length of the connecting piece can be customized according to the width of flanges of different steel beams, so that the center distance between the through holes on the connecting piece is matched with the center distance between the nuts on the pair of U-shaped clamping plates.
The supporting rod is a vertical steel pipe, the hanging piece is a steel sheet provided with a steel wire rope clamping head, the steel sheet is welded to the top of the vertical steel pipe, an haunching is arranged between the steel sheet and the vertical steel pipe, and the fracture size of the fracture safety buckle is larger than the thickness of the steel sheet and smaller than the diameter of the steel wire rope.
The steel sheet on be provided with a plurality of second perforation, the wire rope dop can be fixed through the bolt on the second perforation of steel sheet, wire rope after the wire rope dop is fixed is horizontal straight line and is unanimous with the girder steel trend.
The support rods are also welded with a plurality of hangers, and the hangers of the adjacent support rods can be used for being connected with the safety ropes in a penetrating mode.
Compared with the prior art, the utility model has the beneficial effects and advantages that:
1. when the device is used, a worker working aloft directly hangs the own braces safety buckle on the fracture safety buckle in the device, the fracture safety buckle can move on the whole lifeline steel wire rope, the safety buckle on the body of the worker does not need to be taken down during moving operation, and the safety during operation can be greatly improved.
2. The device is simple and stable in structure, and the connecting sheet is arranged between the pair of U-shaped clamping plates, so that the paired U-shaped clamping plates in the clamping seat can not fall off from the flange of the steel beam; on the other hand, connecting pieces with different specifications and lengths can be customized to adapt to steel beams with different sizes.
3. The device can set up a plurality of safety ropes below lifeline wire rope through increasing a plurality of hangers, increases multilayer safety protection.
4. The device installation is demolishd conveniently, but recycle has avoided cutting once more and has demolishd the quality influence to the girder steel behind the steel pipe beading of fixed lifeline wire rope.
Drawings
FIG. 1 is a schematic view of the application structure of the lifeline fixing device of the present invention.
Fig. 2 is a schematic structural view of the lifeline fixing device of the present invention.
Fig. 3 is a side view of a lifeline securement device of the present invention.
Fig. 4 is a schematic structural diagram of the supporting member of the present invention.
Fig. 5 is a schematic structural view of the U-shaped splint of the present invention.
The steel wire rope-free clamp comprises a steel wire rope 1, a fixing component 2, a steel sheet 3, a vertical steel pipe 4, a clamping seat 5, a U-shaped clamping plate 6, a nut 7, a connecting sheet 8, a screw rod 9, a hanging lug 10, a steel beam 11, a safety rope 12, an haunch 13, a steel wire rope clamping head 14, a fracture safety buckle 15, a first perforation 61 and a second perforation 31.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The fixing device for the aloft work lifeline on the steel beam provided by the embodiment comprises a steel wire rope 1, a fixing component 2 for installing the steel wire rope and a fracture safety buckle 15, as shown in fig. 1, 2 and 3. The steel wire rope fixing assembly 2 comprises a hanging piece, a supporting rod and a clamping seat, the hanging piece and the clamping seat are fixed at the top and the bottom of the supporting rod respectively, the supporting rod is a vertical steel pipe 4, the hanging piece is a steel sheet 3 provided with a steel wire rope clamping head 14, and the steel sheet 3 is welded at the top of the vertical steel pipe 4. The clamping seat 5 comprises a pair of U-shaped clamping plates 6 and a screw rod 9 matched with the U-shaped clamping plates, a plurality of first through holes 61 are concavely arranged on the U-shaped clamping plates 6, nuts 7 are coaxially welded on the first through holes 61, and the first through holes 61 are matched with the nuts 7 in size. The openings of the U-shaped clamping plates face to each other, the U-shaped clamping plates are clamped on the flange of the upper edge of the steel beam 11 at the same time, and the U-shaped clamping plates are fixed on the flange of the upper edge of the steel beam 11 through the rotation of the screw 9 penetrating through the nut 7. The bottom of the vertical steel pipe 4 is welded on the plate surface of one of the U-shaped clamping plates.
In order to fix the positions of the pair of U-shaped clamping plates relatively, the screw rods 9 on the pair of U-shaped clamping plates which are arranged oppositely can be connected together through the connecting piece 8, through holes are formed in two ends of the connecting piece 8, the size of each through hole is matched with the screw rods 9, the length of the connecting piece 8 can be customized according to the width size of flanges of different steel beams 11, the center distance between the through holes in the connecting piece 8 is matched with the center distance between the nuts 7 on the pair of U-shaped clamping plates 6, and the screw rods 9 on the U-shaped clamping plates can just penetrate through the through holes. After the screw 9 passes through the nut 7, the screw 9 is screwed down so that the bottom of the screw is pressed against the flange of the steel beam 11, and the fixing effect is achieved.
The bottom end of the vertical steel pipe 4 is vertically welded on a U-shaped clamping plate 6, and after the U-shaped clamping plate is fastened on the flange of the steel beam, the vertical steel pipe is vertically connected with the steel beam. The top end of the vertical steel pipe 4 is welded with the steel sheet 3, and the haunch 13 is arranged between the steel sheet 3 and the vertical steel pipe 4, so that the connection strength between the steel sheet 3 and the vertical steel pipe 4 can be enhanced. A plurality of hangers 10 are welded on the vertical steel pipes 4, and the safety ropes 12 are connected through the hangers 10 of the adjacent vertical steel pipes 4 in a pulling mode, so that safety protection is increased, and safety is improved.
The steel sheet 3 is provided with a second through hole 31, and the wire rope clamp 14 can be fixedly arranged on the second through hole 31 of the steel sheet 3 through a bolt. The steel wire rope 1 sequentially penetrates through a steel wire rope clamping head 14 installed on the steel sheet 3 and then is fixed above the steel beam 11, and the fixed steel wire rope 1 is a horizontal straight line and is consistent with the direction of the steel beam 11. The fracture size of the fracture safety buckle 15 penetrating through the steel wire rope 1 is larger than the thickness of the steel sheet 3 and smaller than the diameter of the steel wire rope 1, and the fracture safety buckle 15 can slide on the fixed steel wire rope 1 in a reciprocating mode and does not fall off.
In the actual manufacturing, as shown in fig. 4 and 5, the U-shaped clamping plate of the utility model is manufactured by cutting and welding steel plates with the thickness of 20mm, the width of the U-shaped clamping plate penetrating into the flange of the steel beam is 120mm, the length of the U-shaped clamping plate is 150mm, the thickness of the middle gap of the U-shaped clamping plate is 30mm, the width of the inner side surface of the closed end of the U-shaped clamping plate from the opening is 100mm, and the U-shaped clamping plate can be suitable for the steel beam with the flange width larger than 200mm and the thickness smaller than 30 mm. The specification of the nut is M16, and the screw is matched with the nut. The distance from the center point of the first through hole on the U-shaped clamping plate to the outer side of the closed section of the U-shaped clamping plate is 80 mm. The diameter of the hole in the connecting piece is 16mm, and the distance between the center points of the two holes in the connecting piece is equal to the width of the flange of the steel beam minus the distance between the two times of the center point of the first perforation and the outer side of the closed end of the U-shaped clamping plate, namely 80 mm. The vertical steel pipe is made of a steel pipe with the national standard external diameter of 48mm and the wall thickness of 3.5mm, and the length of the vertical steel pipe is 900 mm. The length of the connecting piece can also be used for customizing the standby of a plurality of specifications according to the width sizes of flanges of different steel beams.
As shown in FIG. 1, the steel sheet of the present invention is made of 2mm steel sheet, and the horizontal plane thereof is in the shape of a fan-shaped window. The steel wire rope clamping head used is the national standard M15. Two bolts on the wire rope clamping head can just penetrate through the two second through holes. The hangers that set up on the vertical steel pipe are bent with 10 mm's round steel and are welded on vertical steel pipe, and the safety rope adopts 10 mm's mould to wrap wire rope, and in order to further improve safety, the quantity of hangers can be 4, 2 groups about divideing into, and the welding is on vertical steel pipe, and safety rope quantity is 2, passes 2 hangers on the vertical steel pipe respectively, forms twice safety protection. The size of the fracture opening of the fracture safety buckle is 2.5mm, the fracture opening is 0.5mm larger than the thickness of a steel sheet, a steel wire rope hung with the fracture safety buckle can adopt a 15mm plastic-coated steel wire rope, the steel wire rope is just matched with a steel wire rope clamping head of M15, the size of the fracture opening is 12.5mm smaller than that of the steel wire rope, and the fracture safety buckle can be ensured not to fall off from the steel wire rope.
The assembly parts shown in fig. 4 and 5 are manufactured in advance in a factory according to the sizes, the connecting pieces are customized according to the size of the steel beam on a construction site, and then the steel beam is installed on the site. The device comprises the following installation steps that firstly, a U-shaped clamping plate with a vertical steel pipe welded on the upper portion is installed on a flange, then the other U-shaped clamping plate is installed on the corresponding position on the other side of the flange, a screw penetrates through a connecting piece and is installed on a nut, the screw is screwed up for fastening, and the effect of the installed bottom clamping seat is as shown in figure 2. And then 2 safety ropes are installed, the safety ropes are fixedly penetrated on the hangers on each vertical steel pipe in an S shape, and the end part lock catches of the safety ropes can be fixed by M10 steel wire rope chucks. And finally, installing a lifeline steel wire rope at the top end of the vertical steel pipe, firstly threading a plurality of fracture safety buckles and a plurality of M15 steel wire rope chucks on the lifeline steel wire rope, and then fixing the M15 steel wire rope chucks on a second through hole on the steel sheet at the top of the vertical steel pipe one by one through bolts. The effect of completing the installation of the fixing device for the aerial work steel wire rope on the whole steel beam is shown in fig. 1.
When the safety buckle is used for high-altitude operation, a worker directly hangs the safety buckle of the shoulder strap on the worker on the fracture safety buckle in the device, when the worker needs to move the safety buckle, the fracture safety buckle can move on the whole lifeline steel wire rope at any time, and the safety buckle on the worker does not need to be taken down, so that the operation safety is greatly improved, and higher guarantee is provided for the life safety of the worker.
Claims (6)
1. The utility model provides a fixing device of high-altitude operation lifeline on girder steel, includes wire rope, installation wire rope's fixed subassembly and fracture safety knot, its characterized in that, wire rope's fixed subassembly includes flying piece, bracing piece and presss from both sides tight seat, and the top and the bottom at the bracing piece are fixed respectively to flying piece and the tight seat of clamp, it is the U-shaped splint and supporting fastener with it to press from both sides tight seat, U-shaped splint press from both sides on the edge of a wing that the girder steel leaned on one side, and is fixed with the detachable connection of girder steel through the fastener, wire rope passes through the flying piece at bracing piece top and fixes in the girder steel top, the fracture space of fracture safety knot can pass the flying piece, the fracture space of fracture safety knot is less than the wire rope diameter, fracture safety knot can be on fixed wire rope reciprocating sliding and not breaking off.
2. The aloft work lifeline fixing device on steel beam as claimed in claim 1, wherein the clamping seat is a U-shaped clamping plate and a screw matched with the U-shaped clamping plate, a plurality of first through holes are concavely formed in the U-shaped clamping plate, nuts are coaxially welded on the first through holes, the first through holes are matched with the nuts in size, the opening of the U-shaped clamping plate is inserted into one side, close to the flange of the upper side, of the steel beam, the screw penetrates through the nuts and the first through holes of the U-shaped clamping plate, and the screw is screwed in so that the bottom end of the screw abuts against the flange of the steel beam.
3. The aloft work lifeline fixing device on a steel beam as claimed in claim 2, wherein the clamping seat can be a pair of U-shaped clamping plates, and a screw and a connecting piece matched with the U-shaped clamping plates, openings of the pair of U-shaped clamping plates are oppositely arranged and are respectively clamped on two sides of a flange on one side of the steel beam close to the upper side; through holes matched with the screws are distributed at two ends of the connecting piece, and the length of the connecting piece can be customized according to the width of flanges of different steel beams, so that the center distance of the through holes on the connecting piece is matched with the center distance between the nuts on the pair of U-shaped clamping plates.
4. The device for fixing the life line of overhead work on the steel beam as claimed in claim 1, wherein the support rod is a vertical steel tube, the hanging part is a steel sheet provided with a steel wire rope clamping head, the steel sheet is welded on the top of the vertical steel tube, an armpit is arranged between the steel sheet and the vertical steel tube, and the size of a fracture of the fracture safety buckle is larger than the thickness of the steel sheet and smaller than the diameter of the steel wire rope.
5. The device for fixing the life line of overhead work on the steel beam as claimed in claim 4, wherein the steel sheet is provided with a plurality of second through holes, the steel wire rope clamp can be fixed on the second through holes of the steel sheet through bolts, and the steel wire rope fixed by the steel wire rope clamp is horizontal and straight and is consistent with the steel beam in direction.
6. The device for fixing the life line of overhead work on the steel beam as claimed in claim 1, wherein a plurality of lugs are welded on the support rods, and the lugs of adjacent support rods can be used for connecting safety ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343953.6U CN216196801U (en) | 2021-09-27 | 2021-09-27 | High altitude construction lifeline fixing device on girder steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343953.6U CN216196801U (en) | 2021-09-27 | 2021-09-27 | High altitude construction lifeline fixing device on girder steel |
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| Publication Number | Publication Date |
|---|---|
| CN216196801U true CN216196801U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122343953.6U Active CN216196801U (en) | 2021-09-27 | 2021-09-27 | High altitude construction lifeline fixing device on girder steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893009A (en) * | 2022-05-24 | 2022-08-12 | 中国五冶集团有限公司 | Assembled lifeline installation device |
| CN114922453A (en) * | 2022-05-24 | 2022-08-19 | 中国五冶集团有限公司 | Steel construction lifeline assembled installation device and protector |
-
2021
- 2021-09-27 CN CN202122343953.6U patent/CN216196801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893009A (en) * | 2022-05-24 | 2022-08-12 | 中国五冶集团有限公司 | Assembled lifeline installation device |
| CN114922453A (en) * | 2022-05-24 | 2022-08-19 | 中国五冶集团有限公司 | Steel construction lifeline assembled installation device and protector |
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