Hook passing device for tower anti-falling device

Abstract

The utility model discloses a hook passing device for a tower anti-falling device, and relates to the field of hook passing devices, the hook passing device comprises a hook passing device body, the hook passing device body comprises a first connecting part and a second connecting part, the first connecting part comprises a first hook passing wheel sheet, the inner side of the first hook passing wheel sheet is fixedly connected with a butt joint sleeve column, and the butt joint sleeve column is fixedly connected with a second connecting part. The outer portion of the butt joint sleeve column is movably sleeved with a rotating sleeve, and a threaded part is arranged at the end, away from the first hook passing wheel piece, of the butt joint sleeve column. The rotating sleeve is arranged outside the butt-joint sleeve column in a sleeving mode, the threaded part is matched with the butt-joint sleeve column and the fixed penetrating hole for alignment, the fixing nut is connected with the threaded part, and the first hook passing wheel piece and the butt-joint sleeve column are connected together in a fastened mode; according to the hook passing device, the distance between the first hook passing wheel piece and the second hook passing wheel piece does not need to be adjusted, meanwhile, a bolt does not need to be arranged between the first hook passing wheel piece and the second hook passing wheel piece in a penetrating mode, limiting connection can be conducted on the rotating sleeve, rapid assembling is facilitated, and the assembling efficiency of the hook passing device body is improved.

Description

Technical Field

[0001] The utility model relates to the field of over-hook devices, and particularly relates to an over-hook device for a tower anti-falling device. Background Technique

[0002] A tower is a support for overhead transmission lines to support transmission wires. During operation, an anti-falling device is required to ensure safety. The over-hook device is one of the accessories of the anti-falling device. Generally, a guide rail is used as a rigid track during high-altitude operation, and a steel wire rope is used as a flexible track. When connecting the steel wire rope over a long distance, due to the long distance, the steel wire rope cannot be kept in a straight line, especially with a serious sag at the middle position, which affects the use of the steel wire rope. An over-hook device needs to be set to keep the steel wire rope in a straight line.

[0003] For the existing over-hook device for an anti-falling device, such as the one disclosed in CN201676421 U, an over-hook device assembly is provided. By setting a square sleeve, the square sleeve includes a positioning boss and an installation part. The installation parts are located on both sides of the positioning boss. When installing the blade, the installation hole of the blade is installed in the installation part, and the wheel angle pair is fixed by a fixing part. Since the distance of the positioning boss is fixed, the distance between the two blades does not need to be adjusted, and rapid assembly can be completed, improving the assembly efficiency of the over-hook device. It is docked with the blade through the pre-set square sleeve, but bolts and nuts are required to install the rotating sleeve inside the blade. Since there are multiple rotating sleeves, it is inconvenient to install them. Summary of the Utility Model

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] An over-hook device for a tower anti-falling device includes an over-hook device body. The over-hook device body includes a first connection part and a second connection part. The first connection part includes a first over-hook wheel piece. A docking sleeve column is fixedly connected to the inner side of the first over-hook wheel piece. A rotating sleeve is movably sleeved outside the docking sleeve column. A threaded part is provided at one end of the docking sleeve column far from the first over-hook wheel piece. The second connection part includes a second over-hook wheel piece. A fixing through hole is opened inside the second over-hook wheel piece. The threaded part is movably clamped inside the fixing through hole, and a fixing nut located outside the second over-hook wheel piece is threadedly installed on the outside of the threaded part.

[0006] The further improvement of the technical solution of the utility model lies in that: the first over-hook wheel piece and the docking sleeve column are integrally provided. The size of the threaded part is smaller than that of the docking sleeve column. A clamping edge is provided on one side of the docking sleeve column close to the threaded part. A clamping groove with a size larger than the fixing through hole is provided on the inner side of the second over-hook wheel piece.

[0007] A further improvement of the technical solution of the present utility model lies in that: the size of the threaded portion is adapted to the fixing perforation, and the size of the engaging edge is adapted to the engaging groove.

[0008] A further improvement of the technical solution of the present utility model lies in that: both the first overhook wheel piece and the second overhook wheel piece are arranged in a pentagram shape, and arc-shaped relief grooves are provided on the inner sides of the first overhook wheel piece and the second overhook wheel piece.

[0009] A further improvement of the technical solution of the present utility model lies in that: five docking sleeve columns are arranged in an annular equidistant manner inside the first overhook wheel piece, and the number and positions of the fixing perforations correspond to those of the docking sleeve columns.

[0010] A further improvement of the technical solution of the present utility model lies in that: the rotating sleeve is movably sleeved outside the docking sleeve column, and the inner diameter of the rotating sleeve is slightly larger than the outer diameter of the docking sleeve column.

[0011] A further improvement of the technical solution of the present utility model lies in that: a fastening gasket is movably clamped outside the threaded portion between the second overhook wheel piece and the fixing nut.

[0012] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:

[0013] 1. The present utility model provides an overhook for a tower anti-falling device. When in use, the rotating sleeve is sleeved outside the docking sleeve column. The threaded portion cooperates with the docking sleeve column and the fixing perforation for alignment, and the fixing nut is connected to the threaded portion to tightly connect the first overhook wheel piece and the docking sleeve column together. Since the length of the docking sleeve column is fixed, there is no need to adjust the distance between the first overhook wheel piece and the second overhook wheel piece. At the same time, there is no need to insert bolts between the first overhook wheel piece and the second overhook wheel piece to limit the connection of the rotating sleeve, which is convenient for rapid assembly and improves the assembly efficiency of the overhook body.

[0014] 2. The present utility model provides an overhook for a tower anti-falling device. Both the first connecting portion and the second connecting portion are independently designed as a whole and match each other. Through standardized production, it is convenient to be connected and used in a supporting manner with the rotating sleeve, improving the overall installation and operation convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the overhook for the tower anti-falling device of the present utility model;

[0016] Figure 2 is an exploded structural diagram of the present utility model;

[0017] Figure 3 is a front view structural diagram of the present utility model;

[0018] Figure 4 It is a structural schematic diagram of the second connecting part of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the first connecting part of the utility model.

[0020] In the figure: 1. hook device body; 11. first connecting part; 111. hook wheel piece 1; 112. docking sleeve column; 113. threaded part; 114. engaging edge; 12. second connecting part; 121. hook wheel piece 2; 122. fixing through hole; 123. engaging groove; 2. rotating sleeve; 3. fixing nut; 4. fastening gasket; 5. clearance groove. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below:

[0022] like Figures 1 to 5 As shown, the utility model provides a hook device for a pole tower anti-fall device, including a hook device body 1, the hook device body 1 includes a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 includes a hook wheel piece 111, the inner side of the hook wheel piece 111 is fixedly connected with a docking sleeve column 112, the outer side of the docking sleeve column 112 is movably sleeved with a rotating sleeve 2, and the end of the docking sleeve column 112 away from the hook wheel piece 111 is provided with a threaded portion 113, the second connecting portion 12 includes a hook wheel piece 121, the interior of the hook wheel piece 121 is provided with a fixing through hole 122, the threaded portion 113 is movably clamped in the interior of the fixing through hole 122, and the outer side of the threaded portion 113 is threadedly installed with a fixing nut 3 located on the outer side of the hook wheel piece 121.

[0023] When in use, the rotating sleeve 2 is sleeved on the outside of the docking sleeve column 112, and the threaded portion 113 is used to cooperate with the docking sleeve column 112 and align with the fixed through-hole 122, and the fixing nut 3 is connected with the threaded portion 113 to fasten the hook wheel piece 111 and the docking sleeve column 112 together. The length of the docking sleeve column 112 is fixed, and there is no need to adjust the spacing between the hook wheel piece 111 and the hook wheel piece 2 121. At the same time, there is no need to pass bolts between the hook wheel piece 111 and the hook wheel piece 2 121 to limit the rotation sleeve 2, which is convenient for quick assembly and improves the assembly efficiency of the hook device body 1. The first connecting portion 11 and the second connecting portion 12 are both independently designed as a whole and match each other. Through standardized production, it is convenient to be connected and used with the rotating sleeve 2, thereby improving the overall convenience of its installation and operation.

[0024] like Figures 2 to 5As shown, the hook passing wheel piece one 111 and the docking sleeve column 112 are integrally arranged. The size of the threaded portion 113 is smaller than that of the docking sleeve column 112. A clamping edge 114 is arranged on one side of the docking sleeve column 112 close to the threaded portion 113. A clamping groove 123 with a size larger than the fixing through hole 122 is arranged on the inner side of the hook passing wheel piece two 121.

[0025] The size of the threaded portion 113 is adapted to the fixing through hole 122, and the size of the clamping edge 114 is adapted to the clamping groove 123.

[0026] Since the size of the threaded portion 113 is smaller than that of the docking sleeve column 112, when the threaded portion 113 passes through the fixing through hole 122, the docking sleeve column 112 can be clamped in the clamping groove 123, so as to ensure that the distance between the hook passing wheel piece one 111 and the docking sleeve column 112 is fixed. Thus, the quick assembly can be completed without adjusting the distance between the hook passing wheel piece one 111 and the hook passing wheel piece two 121, improving the assembly efficiency.

[0027] As Figure 4 and Figure 5 shown, both the hook passing wheel piece one 111 and the hook passing wheel piece two 121 are arranged in a pentagram shape, and arc-shaped relief grooves 5 are arranged on the inner sides of the hook passing wheel piece one 111 and the hook passing wheel piece two 121.

[0028] Five docking sleeve columns 112 are arranged annularly and equidistantly on the inner side of the hook passing wheel piece one 111, and the number and positions of the fixing through holes 122 correspond to those of the docking sleeve columns 112.

[0029] Since both the hook passing wheel piece one 111 and the hook passing wheel piece two 121 are arranged in a pentagram shape and relief grooves 5 are arranged at their included angles, and five matching docking sleeve columns 112 are located between the hook passing wheel piece one 111 and the hook passing wheel piece two 121, it is convenient for the steel wire rope and the safety buckle ring to pass between the hook passing wheel piece one 111 and the hook passing wheel piece two 121.

[0030] As Figure 2 shown, the rotating sleeve 2 is movably sleeved outside the docking sleeve column 112, and the inner diameter of the rotating sleeve 2 is slightly larger than the outer diameter of the docking sleeve column 112.

[0031] Since the inner diameter of the rotating sleeve 2 is slightly larger than the outer diameter of the docking sleeve column 112, the rotating sleeve 2 can be sleeved outside the docking sleeve column 112 and roll.

[0032] As Figure 2 shown, a fastening gasket 4 is movably clamped outside the threaded portion 113 and is located between the hook passing wheel piece two 121 and the fixing nut 3.

[0033] Through the setting of the fastening gasket 4, the fixing nut 3 ensures the fastening of the connection between the hook passing wheel piece one 111 and the hook passing wheel piece two 121.

[0034] The following is a detailed description of the working principle of the hook used in the pole tower fall protection device.

[0035] like Figures 1 to 5 As shown, the first connecting portion 11 and the second connecting portion 12 are both pre-set as an independent integral structure, and the rotating sleeve 2 is respectively sleeved on the outside of the docking sleeve column 112 on the inner side of the hook wheel piece 111, and the hook wheel piece 111 is inserted from the side of the hook wheel piece 2 121, and the threaded portion 113 arranged on the inner side of the docking sleeve column 112 corresponds to the position of the fixed through hole 122, so that the threaded portion 113 passes through the fixed through hole 122 and is clamped therein, and at the same time, the clamping edge 114 is pressed against the clamping groove 123 The side is limited by clamping the fastening gasket 4 on the outside of the threaded part 113, and using the fixing nut 3 to tighten the thread from the outside of the threaded part 113 to fasten the first connecting part 11 and the second connecting part 12 together to complete the assembly, the steel wire rope is located between the hook wheel piece 111 and the hook wheel piece 2 121, the safety buckle is located outside the steel wire rope and between the hook wheel piece 111 and the hook wheel piece 2 121, the safety buckle is located on the inside of the makeshift groove 5, and the safety buckle is passed through the hook device body 1 by rotating the hook device body 1.

[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A hook used for a tower anti-falling device, characterized in that: It includes a hook passing device body (1), the hook passing device body (1) includes a first connecting part (11) and a second connecting part (12), the first connecting part (11) includes a first hook passing wheel piece (111), an abutting sleeve column (112) is fixedly connected to the inner side of the first hook passing wheel piece (111), a rotating sleeve (2) is movably sleeved outside the abutting sleeve column (112), a threaded part (113) is arranged at one end of the abutting sleeve column (112) away from the first hook passing wheel piece (111), the second connecting part (12) includes a second hook passing wheel piece (121), a fixing through hole (122) is formed inside the second hook passing wheel piece (121), and the threaded part (113) is movably clamped inside the fixing through hole (122), and a fixing nut (3) located outside the second hook passing wheel piece (121) is threadedly installed on the outside of the threaded part (113).

2. The hook used in the tower anti-falling device according to claim 1, characterized in that: The first hook passing wheel piece (111) and the abutting sleeve column (112) are integrally arranged, the size of the threaded part (113) is smaller than that of the abutting sleeve column (112), a clamping edge (114) is arranged on one side of the abutting sleeve column (112) close to the threaded part (113), and a clamping groove (123) with a size larger than that of the fixing through hole (122) is arranged on the inner side of the second hook passing wheel piece (121).

3. The overhook used in the tower anti-falling device according to claim 2, characterized in that: The size of the threaded part (113) is adapted to the fixing through hole (122), and the size of the clamping edge (114) is adapted to the clamping groove (123).

4. The hook used in the tower anti-falling device according to claim 2, characterized in that: Both the first hook passing wheel piece (111) and the second hook passing wheel piece (121) are arranged in a pentagram shape, and arc-shaped relief grooves (5) are arranged on the inner sides of the first hook passing wheel piece (111) and the second hook passing wheel piece (121).

5. The over-hook device for a tower anti-falling device according to claim 4, characterized in that: Five abutting sleeve columns (112) are arranged in an annular equidistant manner inside the first hook passing wheel piece (111), and the number and positions of the fixing through holes (122) correspond to those of the abutting sleeve columns (112).

6. The hook used in the tower anti-falling device according to claim 2, characterized in that: The rotating sleeve (2) is movably sleeved outside the abutting sleeve column (112), and the inner diameter of the rotating sleeve (2) is slightly larger than the outer diameter of the abutting sleeve column (112).

7. The overhook used in the tower anti-falling device according to claim 1, characterized in that: A fastening gasket (4) located between the second hook passing wheel piece (121) and the fixing nut (3) is movably clamped outside the threaded part (113).

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