Power transmission line tangent tower overhanging hanging ladder

Abstract

The utility model provides an overhanging hanging ladder for a tangent tower of a power transmission line. The overhanging hanging ladder comprises a protection assembly, a folding assembly and a non-slip mat, the protection assembly comprises a first ladder frame, a sliding groove, a sliding block, a fixing plate, a first fixing bolt, a protection frame, a winding motor, a winding roller, a rope and a hook. The first ladder frame is provided with a sliding groove, the sliding groove is formed in one side of the first ladder frame, one side of the sliding block is connected to the interior of the sliding groove in a sliding mode, one side of the fixing plate is fixedly connected to one side of the sliding block, and one end of the first fixing bolt is installed on one side of the fixing plate. According to the utility model, a worker can lean against the protective frame to carry out maintenance operation, so that good balance can be kept, the working efficiency and the working quality are improved, the slipping phenomenon caused by shaking is avoided, and the height of the protective frame can be adjusted through the arrangement of the sliding groove and the sliding block, so that the device is suitable for different height positions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a suspension ladder, especially to a suspension ladder for transmission line straight tower, belongs to transmission line maintenance technical field. BACKGROUND

[0002] The ladder is used in the electric power industry to make the electrician carry out high altitude wire repair work, and the staff usually hooks the suspension ladder with a hook plate on the fixed frame fixed on the wire pole, so as to climb the ladder to carry out high altitude work.

[0003] Chinese open patent (open number: CN2466835Y) discloses a suspension ladder for transmission line straight tower, and belongs to transmission line maintenance tool; its main structure includes folding type support rod, and the folding type support rod is uniformly distributed with foldable foot pedal rod, and the folding type support rod is provided with force bearing clamp and adjustable screw rod, and the folding support rod is provided with lifting hook in the lower part; the device is installed, and when the rod type synthetic insulator is maintained, it is not necessary to directly go up and down along the surface, has the characteristics of small physical consumption of the staff, convenient inspection and safety; during the maintenance process, the staff needs to maintain good balance when using the device, which affects the work efficiency and operation quality, and the shaking and slipping phenomenon is easy to occur, therefore, a suspension ladder for transmission line straight tower is provided. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a suspension ladder for transmission line straight tower to solve or alleviate the technical problems in the prior art, and at least provides a beneficial choice.

[0005] The technical scheme of the utility model is as follows: a suspension ladder for transmission line straight tower, including protection assembly, folding assembly and non-slip mat.

[0006] The protection assembly includes first ladder frame, sliding groove, sliding block, fixed plate, first fixed bolt, protection frame, winding motor, winding roller, rope and hook.

[0007] The sliding groove is arranged on one side of the first ladder frame, one side of the sliding block is slidably connected to the inside of the sliding groove, one side of the fixed plate is fixedly connected to one side of the sliding block, one end of the first fixed bolt is mounted to one side of the fixed plate, and one side of the protection frame is fixedly connected to one side of the fixed plate.

[0008] Further preferably, the outer side wall of the winding motor is fixedly connected to one side of the protection frame, and the output end of the winding motor is fixedly connected to one end of the winding roller.

[0009] Further preferably, the outer side wall of the rope is sleeved on the outer side wall of the winding roller, and one end of the rope is fixedly connected to the top of the hook.

[0010] Further preferably, the folding assembly comprises a second ladder stand, a connecting column, a fixing block, a threaded hole and a second fixing bolt; the bottom of the first ladder stand is hingedly connected to the top of the second ladder stand, one end of the connecting column is fixedly connected to one side of the first ladder stand, and the other end of the connecting column is fixedly connected to one side of the fixing block.

[0011] Further preferably, the threaded hole is formed in one side of the second ladder stand, one end of the second fixing bolt penetrates the inside of the fixing block, the outside wall of the second fixing bolt is threadedly connected to the inside of the second fixing bolt, and the second fixing bolt and the threaded hole are matched with each other.

[0012] Further preferably, the top of the anti-skid pad is mounted to the bottom of the second ladder stand.

[0013] The embodiment of the utility model has the following advantages by adopting the above technical scheme:

[0014] Firstly, the utility model discloses a protective frame, which can make the staff lean on the protective frame to carry out maintenance work, so that good balance can be kept, work efficiency and work quality are improved, and the slipping phenomenon caused by shaking is avoided.

[0015] Secondly, the utility model discloses a chute and a sliding block, which can adjust the height of the protective frame, so that the device is applicable to different height positions.

[0016] Thirdly, when other tools are needed, the winding roller is controlled to rotate by the winding motor, the winding roller is controlled to wind up the rope, the staff below fixes the tools on the hook, and then the winding motor is controlled to wind up the rope, so that work efficiency is improved.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0019] Figure 1 The structural diagram of the utility model;

[0020] Figure 2 It is the first ladder frame structure diagram of the utility model;

[0021] Figure 3 It is the Figure 2 Structure enlarged view of A in the middle;

[0022] Figure 4 It is the Figure 1 Structure enlarged view of B in the middle.

[0023] The drawings show that: 101, the protection assembly, 10, the first ladder frame, 11, the sliding groove, 12, the sliding block, 13, the fixed plate, 14, the first fixed bolt, 15, the protection frame, 16, the winding motor, 17, the winding roller, 18, the rope, 19, the hook, 201, the folding assembly, 20, the second ladder frame, 21, the connecting column, 22, the fixed block, 23, the screw hole, 24, the second fixed bolt, 30, the non-slip pad. DETAILED DESCRIPTION

[0024] In the following, only certain exemplary embodiments are simply described.As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model.Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0025] The embodiments of the utility model will be described in detail below in combination with the drawings.

[0026] As Figures 1-4 Indicated, the utility model embodiment provides a kind of transmission line straight tower suspension hanging ladder, including protection assembly 101, folding assembly 201 and non-slip pad 30;

[0027] Protection assembly 101 includes first ladder frame 10, sliding groove 11, sliding block 12, fixed plate 13, first fixed bolt 14, protection frame 15, winding motor 16, winding roller 17, rope 18 and hook 19;

[0028] Sliding groove 11 is opened in one side of first ladder frame 10, one side of sliding block 12 is slidably connected in the inside of sliding groove 11, one side of fixed plate 13 is fixedly connected in one side of sliding block 12, one end of first fixed bolt 14 is installed in one side of fixed plate 13, one side of protection frame 15 is fixedly connected in one side of fixed plate 13.

[0029] In one embodiment, the outer side wall of the winding motor 16 is fixedly connected to one side of the protective frame 15, the output end of the winding motor 16 is fixedly connected to one end of the winding roller 17, the outer side wall of the rope 18 is sleeved on the outer side wall of the winding roller 17, one end of the rope 18 is fixedly connected to the top of the hook 19, and the protective frame 15 is arranged, so that the worker leans against the protective frame 15 to perform maintenance work, so that good balance can be maintained, work efficiency and work quality are improved, and the slipping phenomenon caused by shaking is avoided. Through the arrangement of the sliding groove 11 and the sliding block 12, the height of the protective frame 15 can be adjusted, so that the device is suitable for different height positions. When other tools are needed, the winding motor 16 is controlled to drive the winding roller 17 to rotate, so that the winding roller 17 releases the rope 18, the worker below fixes the tool on the hook 19, and then the winding motor 16 is controlled to wind up the rope 18, avoiding running up and down when lacking tools, saving the physical strength of the worker, and improving work efficiency.

[0030] In one embodiment, the folding assembly 201 comprises a second ladder frame 20, a connecting column 21, a fixed block 22, a threaded hole 23 and a second fixing bolt 24; the bottom of the first ladder frame 10 is hingedly connected to the top of the second ladder frame 20, one end of the connecting column 21 is fixedly connected to one side of the first ladder frame 10, the other end of the connecting column 21 is fixedly connected to one side of the fixed block 22, the threaded hole 23 is formed in one side of the second ladder frame 20, one end of the second fixing bolt 24 penetrates the inside of the fixed block 22, the outer side wall of the second fixing bolt 24 is threadedly connected to the inside of the second fixing bolt 24, and the second fixing bolt 24 and the threaded hole 23 are matched with each other. When folding is needed, the second fixing bolt 24 is rotated to release the fixing of the second ladder frame 20 by the second fixing bolt 24, the first ladder frame 10 and the second ladder frame 20 are hingedly connected, at this time, the first ladder frame 10 is turned over to fold, thereby reducing the volume of the device and facilitating the carrying of the worker.

[0031] In one embodiment, the top of the anti-skid pad 30 is mounted to the bottom of the second ladder frame 20, and the anti-skid pad 30 is arranged to avoid deviation of the device during use.

[0032] The utility model discloses a work: placing the device in the designated position, by loosening first fixed bolt 14, first fixed bolt 14 is fixed to the protection frame 15, makes the protection frame 15 can move with slider 12 in the sliding slot 11, adjust the protection frame 15 to the designated height, tighten first fixed bolt 14, make first fixed bolt 14 play the fixed role to the protection frame 15, and the staff can rely on the protection frame 15 and carry out the overhaul operation to can keep good balance, improves work efficiency and work quality, avoids the slippage phenomenon of appearing because of the shaking, when needing other tools or tool inconvenient to carry, through the control winding motor 16 drive winding roller 17 rotation, make winding roller 17 put down the rope 18, the staff below will be fixed in the hook 19 with the tool, then control winding motor 16 and take up the rope 18, avoid the staff to lack the tool when running up and down, save the staff's physical strength, when using, loosen second fixed bolt 24, second fixed bolt 24 is fixed to the second ladder frame 20, release, at this moment can overturn first ladder frame 10 and fold, thereby reduce the volume of the device, facilitate the staff to carry.

[0033] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements in the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A suspension ladder for a tangent tower of a power transmission line, characterized in that: The utility model provides a folding type protection device, which comprises a protection assembly (101), a folding assembly (201) and a non-slip mat (30). The protection assembly (101) comprises a first ladder frame (10), a sliding groove (11), a sliding block (12), a fixed plate (13), a first fixing bolt (14), a protection frame (15), a winding motor (16), a winding roller (17), a rope (18) and a hook (19). The sliding groove (11) is arranged on one side of the first ladder frame (10), one side of the sliding block (12) is slidably connected to the inside of the sliding groove (11), one side of the fixed plate (13) is fixedly connected to one side of the sliding block (12), one end of the first fixing bolt (14) is mounted on one side of the fixed plate (13), and one side of the protection frame (15) is fixedly connected to one side of the fixed plate (13).

2. A suspension ladder for a straight tower of a power transmission line according to claim 1, characterized in that: The outer side wall of the winding motor (16) is fixedly connected to one side of the protection frame (15), and the output end of the winding motor (16) is fixedly connected to one end of the winding roller (17).

3. A suspension ladder for a tangent tower of a power transmission line according to claim 2, characterized in that: The outer side wall of the rope (18) is sleeved on the outer side wall of the winding roller (17), and one end of the rope (18) is fixedly connected to the top of the hook (19).

4. A suspension ladder for a tangent tower of a power transmission line according to claim 2, characterized in that: The folding assembly (201) comprises a second ladder frame (20), a connecting column (21), a fixed block (22), a threaded hole (23) and a second fixing bolt (24). The bottom of the first ladder frame (10) is hingedly connected to the top of the second ladder frame (20), one end of the connecting column (21) is fixedly connected to one side of the first ladder frame (10), and the other end of the connecting column (21) is fixedly connected to one side of the fixed block (22). The threaded hole (23) is arranged on one side of the second ladder frame (20), one end of the second fixing bolt (24) penetrates the inside of the fixed block (22), the outer side wall of the second fixing bolt (24) is threadedly connected to the inside of the second fixing bolt (24), and the second fixing bolt (24) and the threaded hole (23) are matched with each other. The top of the non-slip mat (30) is mounted on the bottom of the second ladder frame (20).

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