Detachable safety net hook

Abstract

The utility model discloses a detachable safety net hook which is used for being installed on a steel beam and comprises a connecting plate and a net hanging piece fixedly arranged on the connecting plate. First through holes are formed in the connecting plates and the steel beams, and the connecting plates and the steel beams are detachably connected through first bolts and first nuts; the net hanging piece is of a U-shaped structure and comprises a first side wall and a second side wall which are oppositely arranged. The first side wall is fixedly connected with the connecting plate; the second side wall is detachably connected with an anti-disengaging piece, and the anti-disengaging piece is used for sealing an opening in the upper end of the net hanging piece. The detachable safety net hook provided by the utility model is detachably connected with the steel beam, so that the detachable safety net hook is easy to mount and dismount, and the problem of material waste is avoided; meanwhile, safety net unhooking can be avoided, and construction safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of building construction installation facilities, and more specifically, to a detachable safety net hook. Background Art

[0002] With the widespread application of steel structures in building structures, when installing steel structures, it is often necessary to use steel structure anti-fall nets to prevent construction workers or materials from falling from high altitudes, so as to ensure the safety of the construction process. At present, the safety net hooks are often welded directly to the main structure during construction, but there are still the following problems: 1. The safety net hooks are too dense, and residual stress and welding deformation are easily generated when they are directly welded to the main structure, causing stress concentration; 2. The safety net hooks are too dense, generally with a spacing of 1.2m. The welding connection method makes it difficult to remove, so the safety net hooks are generally not removed. This will lead to a waste of materials. 3. There is no anti-fall device. In extremely severe weather, the safety net is prone to fall off, which can easily cause serious economic losses to other mechanical facilities on the construction site. Utility Model Content

[0003] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described below.

[0004] In order to achieve these purposes and other advantages according to the utility model, a detachable safety net hook is provided for installation on a steel beam, comprising a connecting plate and a net hanging member fixedly arranged on the connecting plate; a first through hole is provided on the connecting plate and the steel beam, and the two are detachably connected by a first bolt and a first nut; the net hanging member has a U-shaped structure, comprising a first side wall and a second side wall arranged opposite to each other; the first side wall is fixedly connected to the connecting plate; an anti-slip member is detachably connected to the second side wall, and the anti-slip member is used to close the upper end opening of the net hanging member.

[0005] Preferably, a first horizontal portion and a second horizontal portion are fixedly provided at the bottom of the first side wall and the bottom of the second side wall, respectively, and the first horizontal portion and the second horizontal portion are slidably connected.

[0006] Preferably, second through holes are symmetrically opened at the upper ends of the first side wall and the second side wall; the anti-slip component is a second bolt and a second nut, and the second bolt passes through the two second through holes on the hanging mesh component and the first through hole on the connecting plate in sequence and then is connected to the steel beam.

[0007] Preferably, two first through holes are provided on the connecting plate, and the second through hole on the mesh hanging member is coaxially arranged with any one of the first through holes on the connecting plate.

[0008] Preferably, two first through holes are provided on the connecting plate, the mesh hanging member is located between the two first through holes, and a third through hole is provided on the second side wall; the anti-slip member includes a third screw and a third nut which can pass through the third through hole, and the third nut is fixedly arranged on the outer side of the second side wall and is coaxially arranged with the third through hole.

[0009] The utility model at least has the following beneficial effects:

[0010] 1. The utility model provides a detachable safety net hook, and the connecting plate and the steel beam are detachably connected by bolts, which replaces the prior art in which the hook is directly welded to the steel beam, solving the problem that the steel beam is prone to residual stress and welding deformation; at the same time, after the safety net is used, the connecting plate and the hanging net piece can be removed from the steel beam, avoiding the problem of material waste. An anti-detachment piece is set on the hanging net piece to prevent the safety net from detaching from the hanging net piece, ensuring construction safety.

[0011] 2. The detachable safety net hook provided by the utility model can be directly welded to the connecting plate when prefabricated off-site, and then the connecting plate and the steel beam are opened in the factory and fixed with bolts in advance. Compared with the on-site welding operation in the prior art, the construction efficiency can be effectively improved; at the same time, it can avoid the problem of poor welding quality caused by on-site high-altitude welding and the increased risk of high-altitude falling accidents.

[0012] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure when the detachable safety net hook of the utility model is connected to the web of the steel beam;

[0014] Figure 2 This is a schematic diagram of the structure when the detachable safety net hook of the utility model is connected to the flange plate of the steel beam;

[0015] Figure 3 This is a schematic diagram of the side structure of the detachable safety net hook of the utility model;

[0016] Figure 4 It is a side structural schematic diagram of the mesh hanging member of the utility model;

[0017] Figure 5 It is a schematic diagram of the vertical cross-section structure of the first horizontal part of the utility model;

[0018] Figure 6 This is a front structural schematic diagram of the utility model when the mesh hanging member is located at the center of the connecting plate;

[0019] Figure 7 for Figure 6 A schematic diagram of the side structure of the mesh hanging member; DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0021] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] like Figures 1 to 3 As shown, the utility model provides a detachable safety net hook for installation on a steel beam 1, comprising a connecting plate 2 and a net hanging member 4 fixedly arranged on the connecting plate 2; a first through hole is provided on the connecting plate 2 and the steel beam 1, and the two are detachably connected by a first bolt 3 and a first nut 6; the net hanging member 4 is a U-shaped structure, which comprises a first side wall 41 and a second side wall 42 arranged opposite to each other; the first side wall 41 is fixedly connected to the connecting plate 2; an anti-slip component 5 is detachably connected to the second side wall 42, and the anti-slip component 5 is used to close the upper end opening of the net hanging member 4.

[0023] In this technical solution, the steel beam 1 is usually an H-shaped steel beam, and the detachable safety net hook can be installed on the web or flange plate of the steel beam as needed. The connecting plate 2 is detachably connected to the steel beam 1 through the first bolt 3 and the first nut 6, instead of the hook being directly welded to the steel beam 1 in the prior art, which is easy to install and disassemble, and solves the problem that the steel beam 1 is prone to residual stress and welding deformation. At the same time, after the safety net is used, the detachable safety net hook can be removed from the steel beam 1, avoiding the problem of material waste. The anti-slip part 5 is provided on the mesh hanging part 4 to prevent the safety net from detaching from the mesh hanging part 4, thereby ensuring construction safety. The mesh hanging part can be directly welded to the connecting plate 2 during off-site prefabrication, and the corresponding first through hole can be opened on the flange plate or web of the steel beam 1, and then the connecting plate 2 and the steel beam 1 are fixed with bolts in the factory, which can effectively improve the construction efficiency compared with the on-site welding operation in the prior art. After the safety net is hung on the mesh hanging part 4 at the construction site, the anti-slip part 5 is installed.

[0024] In another technical solution, the first side wall 41 and the second side wall 42 are respectively fixedly provided with a first horizontal portion 43 and a second horizontal portion 44 at their bottoms, and the first horizontal portion 43 and the second horizontal portion are connected by a sliding connection. Figure 4 and Figure 5 As shown, the second side wall 42 can be close to or away from the first side wall 41 to adjust the distance between the two, thereby meeting the requirements for hanging safety nets of different specifications. And after the safety net is hung on the hanging net component 4, the second side wall 42 is pushed so that the first side wall 41 and the second side wall 42 clamp the safety net, and then the anti-slip component 5 is installed to prevent the safety net from shaking and affecting the safety of the main structure. In actual use, the steel plate can be directly bent into an L-shaped structure as the first side wall 41 and the first horizontal portion 43, or as the second side wall 42 and the second horizontal portion 44; and the two sides of the first horizontal portion 43 are bent upward to form a L-shaped structure as shown in FIG. Figure 5 The bending portion 431 shown in the figure enables the first horizontal portion 43 to form a sliding groove for the second horizontal portion 44 to slide; the first horizontal portion 43 and the second horizontal portion 44 can also adopt other sliding connection methods commonly used in the art.

[0025] In another technical solution, the upper ends of the first side wall 41 and the second side wall 42 are symmetrically provided with second through holes; the anti-dropping member 5 is a second bolt and a second nut, and the second bolt passes through the two second through holes on the mesh member 4 and the first through hole on the connecting plate 2 in sequence and is connected to the steel beam 1. The opening on the mesh member 4 is closed by the second bolt and the second nut to prevent the safety net from being unhooked. The second through hole is coaxially arranged with the first through hole, and the second bolt passes through the two side walls of the mesh member 4, the connecting plate 2 and the steel beam 1 and is fixed by the second nut.

[0026] Furthermore, if Figure 1 and Figure 2 As shown, the connecting plate 2 is provided with two first through holes, and the second through hole on the mesh hanging member 4 is coaxially arranged with any first through hole on the connecting plate. During off-site prefabrication, one of the first through holes on the connecting plate 2 is connected to the steel beam 1 by the first bolt 3 and the first nut 6. After the mesh is hung on site, the mesh hanging member 4 is closed by the second bolt and the second nut and connected to the steel beam 1.

[0027] In another technical solution, Figure 6 and Figure 7 As shown, the connecting plate 2 is provided with two first through holes, the net hanging member 4 is located between the two first through holes, and the second side wall 42 is provided with a third through hole; the anti-dropping member 5 includes a third screw 51 and a third nut 52 that can pass through the third through hole, and the third nut 52 is fixedly arranged on the outer side of the second side wall 42 and is coaxially arranged with the third through hole. The third screw 51 passes through the third nut and abuts against the second side wall 42 and the first side wall 41, thereby closing the opening of the net hanging member 4 to prevent the safety net from being unhooked.

[0028] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A detachable safety net hook for installation on a steel beam, characterized in that: It includes a connecting plate and a mesh hanging member fixedly arranged on the connecting plate; a first through hole is opened on the connecting plate and the steel beam, and the two are detachably connected by a first bolt and a first nut; the mesh hanging member is a U-shaped structure, which includes a first side wall and a second side wall arranged opposite to each other; the first side wall is fixedly connected to the connecting plate; an anti-slip part is detachably connected to the second side wall, and the anti-slip part is used to close the upper end opening of the mesh hanging member.

2. The detachable safety net hook according to claim 1, characterized in that: A first horizontal portion and a second horizontal portion are fixedly disposed at the bottom of the first side wall and the bottom of the second side wall, respectively, and the first horizontal portion and the second horizontal portion are slidably connected.

3. The detachable safety net hook according to claim 1 or 2, characterized in that: The upper ends of the first side wall and the second side wall are symmetrically provided with second through holes; the anti-slip component is a second bolt and a second nut, and the second bolt passes through the two second through holes on the mesh component and the first through hole on the connecting plate in sequence and then is connected to the steel beam.

4. The detachable safety net hook according to claim 3, characterized in that: The connecting plate is provided with two first through holes, and the second through hole on the mesh hanging member is coaxially arranged with any one of the first through holes on the connecting plate.

5. The detachable safety net hook according to claim 1 or 2, characterized in that: The connecting plate is provided with two first through holes, the mesh hanging member is located between the two first through holes, and the second side wall is provided with a third through hole; the anti-slip member includes a third screw rod and a third nut which can pass through the third through hole, and the third nut is fixedly arranged on the outer side of the second side wall and is coaxially arranged with the third through hole.

Images