A sliding connection device for steel structure safety flat net

Abstract

The utility model relates to a sliding connection device for a steel structure safety flat net, comprising a safety flat net, a pull ring arranged on two steel columns, a steel wire rope connected between the two pull rings, the safety flat net being slidably installed on the steel wire rope through a fastener-type movable pull ring, the fastener-type movable pull ring comprising a fastener plate, the two fastener plates being respectively concave outward to form an arc-shaped slide groove, a rectangular through hole being provided at the same position of the two fastener plates, and a draw hook being connected in the two rectangular through holes, the draw hook comprising a connecting seat, the first U-shaped wall of the connecting seat being inserted into the through holes of the two fastener plates, a threaded hole being provided on the second U-shaped wall of the connecting seat, and a hook screw being threadedly connected, the hook screw comprising a screw and an anti-drop hook connected to one end of the screw, the other end of the screw being pressed against the inner side of the first U-shaped wall, and a locking nut being connected to the outer side of the second U-shaped wall on the screw. The utility model can slide the safety flat net on the steel wire rope, unfold or store the safety flat net according to the use requirements, and is easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a sliding connection device for a steel structure safety flat net. Background Art

[0002] During the construction of steel structure portal steel workshops, it was found that the height of a single layer of the portal steel frame is usually too high, while the protection ability of a single-layer safety net is weak. The safety nets usually hung under the beams mostly rely on hooks installed under the beams, and the safety nets are hung on the hooks. If a double-track safety net is laid, the lower track net cannot be hung. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a sliding connection device for a steel structure safety net, which can be slidably installed on a steel wire rope to achieve the installation of a double-track safety net. At the same time, the safety net can be unfolded or stored according to usage requirements, and the operation is convenient.

[0004] The utility model is realized through the following technical solutions:

[0005] Provided is a steel structure safety flat net sliding connection device, which is installed between steel columns, including a safety flat net, two steel columns are provided with pull rings at a predetermined height, a steel wire rope is connected between the two opposite pull rings, and the safety flat net is slidably installed between the steel wire ropes through a fastener-type movable pull ring, the fastener-type movable pull ring includes two fastener plates hinged to each other at one end on the same side, the inner side surfaces facing the two fastener plates are respectively concavely formed outwardly at the same position to form arc-shaped sliding grooves that are symmetrically arranged and have openings facing each other, and the two fastener plates are in the arc-shaped sliding groove away from the hinge. Opposite rectangular through holes are respectively opened at the same position on one side of the joint, and hooks for hanging the safety flat net are connected in the two rectangular through holes. The hook includes a connecting seat with a U-shaped cross-section. The first U-shaped wall of the connecting seat is inserted into the through holes of the two fastener plates. A threaded hole is opened on the second U-shaped wall of the connecting seat, and a hook screw is threadedly connected. The hook screw includes a screw and an anti-detachment hook connected to one end of the screw. The other end of the screw is tightly pressed against the inner side of the first U-shaped wall, and a locking nut is connected to the screw on the outer side of the second U-shaped wall.

[0006] Furthermore, the anti-slip hook includes a connecting block fixed to one end of the screw rod, a connecting portion is connected to the side of the connecting block, a hook portion is formed by bending the bottom end of the connecting portion upward, and an anti-slip portion is formed by bending the top end of the hook portion inward and downward; the anti-slip portion is located between the connecting portion and the hook portion and is spaced apart from the connecting portion and the hook portion.

[0007] The anti-dropping hook is provided with an anti-dropping part, so that after the safety net is hung on the hook, it will be affected by the anti-dropping part and will not drop off from the hook when subjected to external forces such as strong winds. The use is convenient, safe and reliable.

[0008] Furthermore, the bottom end of the hook portion is connected to the bottom end of the connecting portion in an arc shape, and the top end of the anti-slip portion is connected to the top end of the hook portion in an arc shape, and a U-shaped hanging channel for hanging a hanging rope of the safety flat net is formed between the connecting portion and the top end of the anti-slip portion.

[0009] Arc-shaped transition parts are arranged between the bottom end of the hook part and the connecting part, and between the anti-slip part and the top end of the hook part, so that the hanging rope of the safety flat net can slide smoothly at several positions, thereby ensuring the smoothness of the hooking.

[0010] Preferably, a blind hole for plugging and cooperating with the screw rod is formed on the inner side of the first U-shaped wall of the connecting seat facing the screw rod.

[0011] The connecting seat has a blind hole on the inner side of the first U-shaped wall, the end rod of the screw is inserted into the blind hole and locked on the connecting seat with a locking nut, which is used to lock the two fastener plates and keep the fastener-type movable pull ring sliding stably on the wire rope.

[0012] Beneficial effects of the utility model:

[0013] The utility model arranges steel wire ropes between steel columns, cooperates with the anti-detachment hooks on the fastener-type movable pull ring to connect the safety net, and after the two fastener plates of the fastener-type movable pull ring are fastened, the slideway composed of the arc-shaped slide grooves and the steel wire rope slide in cooperation to achieve the installation of the safety net. At the same time, the sliding structure can be used to realize the storage and unfolding of the safety net according to the needs of use, which is convenient for operation.

[0014] The screw arranged at the end of the anti-detachment hook is convenient for separation and installation from the connecting seat, and then convenient for removing the connecting seat, releasing the lock of the two fastener plates, and convenient for overall removal for replacement or repair. At the same time, the anti-detachment hook is used to limit the hanging rope of the safety net in the anti-detachment groove between the anti-detachment part and the hook part. The hanging rope of the safety net is not easy to fall off, thereby improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the fastener-type movable pull ring in the utility model.

[0017] Figure 3 It is a cross-sectional schematic diagram of the fastener plate in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the draw hook in the utility model.

[0019] As shown in the figure:

[0020] 1. Steel wire rope, 2. Fastener-type movable pull ring, 21. Fastener plate, 22. Arc-shaped slide groove, 23. Connecting seat, 231. First U-shaped wall, 232. Second U-shaped wall, 24. Hook screw, 25. Locking nut, 26. Anti-slip hook, 261. Connecting block, 262. Connecting part, 263. Hook part, 264. Anti-slip part, 265. Hanging channel, 27. Rectangular through hole, 3. Safety flat net. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0022] A steel structure safety net sliding connection device is installed between steel columns, including a safety net 3, two steel columns are provided with pull rings at a predetermined height, a steel wire rope 1 is connected between the two opposite pull rings, the safety net 3 is slidably installed between the steel wire ropes 1 through a fastener-type movable pull ring 2, the fastener-type movable pull ring 2 includes two fastener plates 21 hinged to each other at one end on the same side, the inner side surfaces facing the two fastener plates 21 are respectively concave outward at the same position to form arc-shaped slide grooves 22 that are symmetrically arranged and have openings facing each other, the two fastener plates 21 are respectively provided with opposite rectangular through holes 27 at the same position on the side of the arc-shaped slide groove 22 away from the hinge, and the two rectangular through holes 27 are respectively provided with opposite rectangular through holes 27. A draw hook for hanging the safety flat net 3 is connected, and the draw hook includes a connecting seat 23 with a U-shaped cross-section. The first U-shaped wall 231 of the connecting seat 23 is inserted into the rectangular through hole 27 of the two fastener plates 21. A threaded hole is opened on the second U-shaped wall 232 of the connecting seat 23, and a hook screw is threadedly connected. The hook screw includes a screw 24 and an anti-detachment hook 26 connected to one end of the screw 24. The other end of the screw 24 is tightly pressed against the inner side of the first U-shaped wall 231. A locking nut 25 is connected to the screw 24 on the outer side of the second U-shaped wall 232. A blind hole that is plugged into and cooperates with the screw 24 is formed on the inner side of the first U-shaped wall 231 of the connecting seat 23, facing the screw 24.

[0023] The anti-slip hook 26 includes a connecting block 261 fixed to one end of the screw rod 24, a connecting portion 262 is connected to the side of the connecting block 261, a hook portion 263 is formed by bending upward at the bottom end of the connecting portion 262, and an anti-slip portion 264 is formed by bending inward and downward at the top end of the hook portion 263; the anti-slip portion 264 is located between the connecting portion 262 and the hook portion 263 and is spaced apart from the connecting portion 262 and the hook portion 263.

[0024] The bottom end of the hook portion 263 is connected to the bottom end of the connecting portion 262 in an arc shape, and the top end of the anti-detachment portion 264 is connected to the top end of the hook portion 263 in an arc shape. A U-shaped hanging channel 265 is formed between the connecting portion 262 and the top end of the anti-detachment portion 264 for hanging the hanging rope of the safety flat net 3.

[0025] In the utility model, a pull ring prefabricated on a steel column is first used to connect the steel wire rope 1, and then the safety net 3 is connected to the steel wire rope 1 through a fastener-type movable pull ring 2, and the first U-shaped wall 231 of the connecting seat 23 of the pull hook is inserted into the rectangular through hole 27 between the two fastener plates 21 to cooperate with the hook screw on the second U-shaped wall 232, and the hook screw is rotated to make its end enter the blind hole of the first U-shaped wall 231, and then the hook screw is locked with the locking nut 25, thereby completing the locking of the two fastener plates 21, and then the hanging rope of the safety net 3 can be hung in the anti-drop hook 26, and the anti-drop part 264 formed by the top of the hook part 263 folding inward and downward can effectively prevent the hanging rope of the safety net 3 hung in the hook from falling off under the action of external forces such as strong winds.

[0026] The utility model is easy to use and disassemble. The safety flat net 3 is slidably installed on the steel wire rope 1 through the fastener-type movable pull ring 2, which provides convenience for laying. It can be quickly spread out when in use and quickly stored together when not in use. It is simple, efficient, and low in cost. It can be obtained by processing steel plates and steel bars, and is easy to install and disassemble.

[0027] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A steel structure safety net sliding connection device, installed between steel columns, including a safety net, characterized in that: The two steel columns are provided with pull rings at a predetermined height, and a steel wire rope is connected between the two opposite pull rings. The safety net is slidably installed between the steel wire ropes through a fastener-type movable pull ring. The fastener-type movable pull ring includes two fastener plates hinged to each other at one end on the same side, and the inner side surfaces facing the two fastener plates are respectively recessed outward at the same position to form symmetrically arranged arc-shaped slide grooves with openings facing each other. The two fastener plates are respectively provided with opposite rectangular through holes at the same position on the side of the arc-shaped slide groove away from the hinge, and a pull hook for hanging the safety net is connected in the two rectangular through holes. The pull hook includes a connecting seat with a U-shaped cross-section, and the first U-shaped wall of the connecting seat is inserted into the through holes of the two fastener plates, and a threaded hole is provided on the second U-shaped wall of the connecting seat, and a hook screw is threadedly connected, and the hook screw includes a screw and an anti-detachment hook connected to one end of the screw, the other end of the screw is tightly pressed against the inner side of the first U-shaped wall, and a locking nut is connected to the screw on the outer side of the second U-shaped wall.

2. The sliding connection device for steel structure safety flat net according to claim 1 is characterized in that: The anti-slip hook includes a connecting block fixed to one end of a screw rod, a connecting portion connected to the side of the connecting block, a hook portion formed by bending upward at the bottom end of the connecting portion, and an anti-slip portion formed by bending inward and downward at the top end of the hook portion; the anti-slip portion is located between the connecting portion and the hook portion and is spaced apart from the connecting portion and the hook portion.

3. The sliding connection device for steel structure safety flat net according to claim 2 is characterized in that: The bottom end of the hook portion is connected to the bottom end of the connecting portion in an arc shape, the top end of the anti-slip portion is connected to the top end of the hook portion in an arc shape, and a U-shaped hanging channel for hanging a hanging rope of the safety flat net is formed between the connecting portion and the top end of the anti-slip portion.

4. The sliding connection device for steel structure safety flat net according to claim 1, characterized in that: A blind hole which is plugged and matched with the screw rod is formed on the inner side of the first U-shaped wall of the connecting seat facing the screw rod.

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