Rail fall prevention device for transmission tower

Abstract

The utility model discloses a track anti-falling device for a transmission iron tower. The utility model relates to the technical field of track anti-falling devices, including a track, two tracks, an anti-falling device is arranged between the two tracks, both sides of the anti-falling device are fixedly provided with connecting blocks, the insides of the two connecting blocks are provided with card slots, the outside of the card slots are provided with movable slots located inside the connecting blocks, the inside of the movable slots are provided with double-headed screws, the outside of the double-headed screws are engaged with threaded blocks, one side of the two threaded blocks are fixedly provided with fixed blocks located inside the movable slots, one side of the two fixed blocks are fixedly provided with plug blocks, the other side of the two fixed blocks are provided with springs located inside the movable slots, one side of the track is fixedly provided with card blocks, the card blocks are inserted into the card slots, and both ends of the card blocks are provided with slots. The utility model improves the safety of the track by strengthening the connection mode between the tracks.

Description

Technical Field

[0001] The utility model relates to the technical field of track anti-falling devices, in particular to a track anti-falling device for a power transmission iron tower. Background Art

[0002] The transmission line tower anti-fall device is a safety protection device installed on the transmission line tower to prevent workers from falling when going up and down the tower or moving horizontally on the tower. With the vigorous advocacy of the "people-oriented" safety concept of the transmission network in recent years, the tower anti-fall device has been widely used in transmission lines. At present, the common transmission line tower anti-fall devices are in two forms: steel strand type and foot nail type.

[0003] For example, patent number CN202121556168.2 discloses a transmission line tower anti-fall device, the structure of which includes a first connecting plate, a second connecting plate, and guide rail clamps respectively installed at one end of the first connecting plate and the second connecting plate by first bolts, and aluminum alloy guide rails respectively arranged in the guide rail clamps, wherein a steel core is arranged in one end of the aluminum alloy guide rail, and a guide rail connecting plate installed on the tower by second bolts. The utility model realizes the process protection of climbing the transmission line tower through a reasonable design device, which is convenient to operate and simple to use, does not add any additional burden to the user, conforms to people's climbing habits, can be installed on newly built transmission line towers, has the characteristics of low cost, strong versatility, less material use, and a wide range of use, and is more suitable for the needs of domestic power safety production;

[0004] The anti-fall device in this patent needs to be connected to the guide rail, and it is currently fixed by bolts. This fixing method is relatively common. The internal connection method of the two is relatively simple when they are connected, which can easily cause them to fall off and has low safety. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a rail anti-fall device for a transmission tower, which solves the problem that the existing fixing is performed by bolts, which is a relatively common fixing method. The internal connection method of the two is relatively simple when they are connected, which easily causes the two to fall off and has low safety.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a track anti-falling device for a transmission tower, comprising a track, wherein there are two tracks, an anti-falling device is arranged between the two tracks, connecting blocks are fixedly arranged on both sides of the anti-falling device, a clamping slot is arranged inside the two connecting blocks, a movable slot located inside the connecting block is arranged outside the clamping slot, a double-headed lead screw is arranged inside the movable slot, a threaded block is engaged and sleeved on the outside of the double-headed lead screw, a fixed block located inside the movable slot is fixedly arranged on one side of the two threaded blocks, an insert block is fixedly arranged on one side of the two fixed blocks, a spring located inside the movable slot is arranged on the other side of the two fixed blocks, a clamping block is fixedly arranged on one side of the track, the clamping block is clamped into the clamping slot, slots are arranged at both ends of the clamping block, and the two inserting blocks are inserted into the two slots, positioning blocks are fixedly arranged on both ends of one side of the track, positioning slots located inside the connecting block are arranged at both ends of the clamping slot, and the positioning block is clamped into the positioning slot.

[0007] Preferably, guide rods are provided at both ends of the movable groove, and a guide block slidably sleeved on the outside of the guide rods is fixedly provided on one side of the two fixed blocks.

[0008] Preferably, a rotating shaft is provided at one end of the double-ended screw, and a handle is sleeved on the outside of the rotating shaft.

[0009] Preferably, connecting plates are provided on both sides of the track and the connecting block, and bolts are passed through the connecting plates.

[0010] Preferably, the connection block and the inner wall of the track are both provided with internal threads, and the bolts are connected to the track and the connection block by meshing with the internal threads.

[0011] Preferably, reinforcement plates are provided on both sides of the track, and an anti-fall rod is provided below the reinforcement plates.

[0012] Preferably, a non-slip pad is provided on the surface of the handle. Beneficial Effects

[0013] The utility model provides a track anti-falling device. Compared with the prior art, it has the following beneficial effects:

[0014] The block on one side of the track is aligned with the slot inside the connecting block to snap it in. At the same time, the positioning blocks at both ends of one side of the track are also snapped into the positioning slots inside the connecting block to be fixed. When the handle is rotated, the double-headed screw connected to one end thereof rotates. When the double-headed screw rotates, the threaded blocks sleeved on both sides of the outside also mesh with it and move displaced. The movement of the two threaded blocks simultaneously drives the fixed block on one side to move displaced. When the fixed block moves, it also drives the plug-in block at one end to move displaced. It is known that the two plug-in blocks can be inserted into the slots inside the card block for fixation, thereby strengthening the connection between the track and the connecting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the connection between the track and the anti-fall device of the utility model;

[0017] Figure 3 For the utility model Figure 2 Schematic diagram of the local enlarged structure at cross section A.

[0018] In the figure: 1. track; 2. anti-fall device; 3. connecting block; 4. connecting plate; 5. bolt; 6. movable groove; 7. spring; 8. double-ended screw; 9. threaded block; 10. handle; 11. fixed block; 12. plug-in block; 13. slot; 14. positioning block; 15. slot; 16. clamping block; 17. internal thread; 18. positioning groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The utility model provides a technical solution: a track anti-falling device for a transmission tower, comprising a track 1, wherein the track 1 has two tracks, an anti-falling device 2 is arranged between the two tracks 1, and connecting blocks 3 are fixedly arranged on both sides of the anti-falling device 2, and the two connecting blocks 3 are provided with card slots 15 inside, and the card slots 15 are provided with movable slots 6 located inside the connecting blocks 3 outside, and the movable slots 6 are provided with double-headed screws 8 inside, and both ends of the movable slots 6 are provided with guide rods, and one side of the two fixed blocks 11 is fixedly provided with guide blocks slidably sleeved on the outside of the guide rods, and one end of the double-headed screw 8 is provided with a rotating shaft, and the outside of the rotating shaft is sleeved with a handle 10, and the card block 16 on one side of the track 1 is first aligned with the card slot 15 inside the connecting block 3 to clamp it, and at the same time, the positioning blocks 14 at both ends of one side of the track 1 are also just clamped into the positioning slots 18 inside the connecting block 3 for fixing;

[0021] The double-headed screw 8 is externally meshed with a threaded block 9, one side of each of the two threaded blocks 9 is fixedly provided with a fixed block 11 located inside the movable groove 6, one side of each of the two fixed blocks 11 is fixedly provided with an insert block 12, and the other side of each of the two fixed blocks 11 is provided with a spring 7 located inside the movable groove 6, a clamping block 16 is fixedly provided on one side of the track 1, and the clamping block 16 is clamped into the clamping groove 15, and connecting plates 4 are provided on both sides of the track 1 and the connecting block 3, and bolts 5 are connected through the inside of the connecting plate 4, and the inner wall of the connecting block 3 and the track 1 are provided with internal threads 17, and the bolts 5 are meshed with the track 1 and the connecting block 3 through the internal threads 17. When the handle 10 is rotated, the double-headed screw 8 connected to one end thereof is rotated, and when the double-headed screw 8 is rotated, the threaded blocks 9 sleeved on both sides of the outside are also meshed with it and move in displacement;

[0022] Slots 13 are provided at both ends of the card block 16, and the two plug blocks 12 are inserted into the two slots 13. Positioning blocks 14 are fixedly provided at both ends of one side of the track 1. Positioning slots 18 located inside the connecting block 3 are provided at both ends of the card slot 15. The positioning blocks 14 are inserted into the positioning slots 18. Reinforcement plates are provided on both sides of the track 1, and anti-fall rods are provided below the reinforcement plates. The surface of the handle 10 is provided with anti-slip pads. The movement of the two threaded blocks 9 simultaneously drives the fixed block 11 on one side to perform displacement movement. When the fixed block 11 moves, the plug block 12 at one end is also driven to perform displacement movement. It is known that the two plug blocks 12 are inserted into the slots 13 inside the card block 16 for fixation, thereby strengthening the connection between the track 1 and the connecting block 3.

[0023] When working, first align the block 16 on one side of the track 1 with the slot 15 inside the connecting block 3 to snap it in. At the same time, the positioning blocks 14 at both ends of one side of the track 1 are also snapped into the positioning slots 18 inside the connecting block 3 for fixation. Then, by rotating the handle 10, the double-headed screw 8 connected to one end thereof rotates. When the double-headed screw 8 rotates, the threaded blocks 9 sleeved on both sides of the outside also mesh with it and move in displacement. The movement of the two threaded blocks 9 simultaneously drives the fixed block 11 on one side to move in displacement. When the fixed block 11 moves, it also drives the plug-in block 12 at one end to move in displacement. It is known that the two plug-in blocks 12 are inserted into the slots 13 inside the block 16 for fixation, thereby strengthening the connection between the track 1 and the connecting block 3.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A rail anti-fall device for a transmission tower, comprising a rail (1), characterized in that: There are two rails (1), an anti-fall device (2) is arranged between the two rails (1), connecting blocks (3) are fixedly arranged on both sides of the anti-fall device (2), the interiors of the two connecting blocks (3) are provided with a clamping groove (15), the exterior of the clamping groove (15) is provided with a movable groove (6) located inside the connecting block (3), a double-headed screw (8) is arranged inside the movable groove (6), the exterior of the double-headed screw (8) is meshingly sleeved with a threaded block (9), one side of the two threaded blocks (9) is fixedly provided with a fixed block (11) located inside the movable groove (6), and one side of the two fixed blocks (11) is An insert block (12) is fixedly provided, and a spring (7) located inside the movable groove (6) is provided on the other side of the two fixed blocks (11); a clamping block (16) is fixedly provided on one side of the track (1), and the clamping block (16) is clamped into the clamping groove (15); slots (13) are provided at both ends of the clamping block (16), and the two insert blocks (12) are inserted into the two slots (13); positioning blocks (14) are fixedly provided on both ends of one side of the track (1); positioning grooves (18) located inside the connecting block (3) are provided at both ends of the clamping groove (15), and the positioning block (14) is clamped into the positioning groove (18).

2. The rail anti-fall device for a transmission tower according to claim 1, characterized in that: Guide rods are provided at both ends of the movable groove (6), and one side of the two fixed blocks (11) is fixedly provided with a guide block which is slidably sleeved on the outside of the guide rods.

3. The rail anti-falling device for a transmission tower according to claim 1, characterized in that: A rotating shaft is provided at one end of the double-ended lead screw (8), and a handle (10) is sleeved on the outside of the rotating shaft.

4. The rail anti-falling device for a transmission tower according to claim 1, characterized in that: Connecting plates (4) are provided on both sides of the track (1) and the connecting block (3), and bolts (5) are inserted through the interior of the connecting plates (4).

5. The rail anti-falling device for a transmission tower according to claim 4, characterized in that: The inner walls of the connection block (3) and the track (1) are both provided with internal threads (17), and the bolts (5) are connected to the track (1) and the connection block (3) by meshing with the internal threads (17).

6. The rail anti-falling device for a transmission tower according to claim 1, characterized in that: Reinforcement plates are provided on both sides of the track (1), and anti-fall rods are provided below the reinforcement plates.

7. The rail anti-falling device for a transmission tower according to claim 3, characterized in that: The surface of the handle (10) is provided with an anti-slip pad.

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