CN219579751U - Automatic shrink formula transmission line climbing anti-falling protection device - Google Patents
Automatic shrink formula transmission line climbing anti-falling protection device Download PDFInfo
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- CN219579751U CN219579751U CN202320143549.0U CN202320143549U CN219579751U CN 219579751 U CN219579751 U CN 219579751U CN 202320143549 U CN202320143549 U CN 202320143549U CN 219579751 U CN219579751 U CN 219579751U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses an automatic shrinkage type power transmission line climbing anti-falling protection device, which belongs to the field of safety protection tools for power transmission line maintenance, and aims to enable operators to safely move on a power transmission tower without an existing pole and tower anti-falling device, wherein the automatic shrinkage type power transmission line climbing anti-falling protection device comprises a safety ring buckle (1), a rope winding and unwinding device (2) and a connecting hook (3) which are sequentially connected, the rope winding and unwinding device (2) can automatically wind or unwind a first safety rope (21) inside, the connecting hook (3) is a spike hook (31) or an angle steel hook (32), the spike hook (31) can be in locking connection with a spike (4), and the angle steel hook (32) can be in hooking connection with an angle steel (5). The automatic shrinkage type power transmission line climbing anti-falling protection device can be fast and safely connected with foot nails or angle steel on a power transmission tower, and operation safety of operators on the power transmission tower is guaranteed.
Description
Technical Field
The utility model relates to the field of safety protection tools for overhauling transmission lines, in particular to an automatic shrinkage type climbing anti-falling protection device for transmission lines.
Background
The electric power energy is required to be transported through the power transmission line, so that the safety and the stable operation of the power transmission line are ensured, the reliability of power supply is ensured, a large amount of overhaul and maintenance work is required to be carried out on the power transmission line, and the tower climbing work is an important component part of daily overhaul and maintenance work. In recent years, along with the development of technology and the higher requirements of safe production work, a tower anti-falling device is installed on a newly-built transmission line tower, and for example, the device consists of a guide rail and a self-locking device. The device can be used by operators to climb the pole tower and transversely move at the position of the cross arm, provides safety protection for the operators, and can effectively prevent falling accidents. However, since many transmission towers with long construction years lack similar safety protection devices, operators are often in a state without safety protection in the process of climbing the transmission towers.
Disclosure of Invention
In order to ensure that operators safely move on a transmission tower without the transmission tower anti-falling device, the utility model provides an automatic telescopic transmission line climbing anti-falling protection device, which can be quickly and safely connected with foot nails or angle steel on the transmission tower to ensure the safety of the operators on the transmission tower.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an automatic shrink formula transmission line climbing anti-falling protection device, includes safety ring knot, rope receive and releases ware and the couple of connecting that connects gradually, contains first safety rope in the rope receive and releases the ware, and the rope receive and releases the ware and can automatic winding or pay out first safety rope, and the couple is spike couple or angle steel couple, and the spike couple can be connected with the spike locking, and the angle steel couple can be connected with the angle steel couple.
One end of the rope winding and unwinding device is provided with a connecting through hole, and the safety ring buckle is directly connected with the connecting through hole of the rope winding and unwinding device.
The inner end of the first safety rope is positioned in the rope winding and unwinding device, the outer end of the first safety rope is positioned outside the rope winding and unwinding device, and the outer end of the first safety rope is connected with the connecting hook through the spring hook.
The rope retractor is capable of locking the first safety rope when the speed at which the rope retractor pays out the first safety rope is greater than the set speed.
The foot nail hook comprises a first hook body and a first hand holding part which are connected up and down, wherein the first hook body comprises a first hook tip and a hook inner channel, and a first self-locking buckle is arranged between the first hook tip and the first hand holding part.
The lower extreme of first self-locking catch is connected with first hand-hold portion through first torsional spring, and the upper end of first self-locking catch can be connected or separate with first gib point.
The foot nail hook also comprises a left foot nail locking block and a right foot nail locking block which are symmetrically arranged left and right, the left end of the left foot nail locking block is connected with the first hook body through a left spring, the right end of the left foot nail locking block is provided with a right arc-shaped notch, the left foot nail locking block is connected with the first hook body through a left rotating shaft, the left rotating shaft extends along the front-back direction, a left through hole is arranged in the left foot nail locking block, the left through hole is a strip-shaped through hole, the length direction of the left through hole is the left-right direction, the left rotating shaft penetrates through the left through hole, the left foot nail locking block can move along the left-right direction, and the left foot nail locking block can also rotate around the left rotating shaft; the right end of the right foot nail locking piece is connected with the first hook body through a right spring, the left end of the right foot nail locking piece is provided with a left arc notch, the right foot nail locking piece is connected with the first hook body through a right rotating shaft, the right rotating shaft extends along the front-back direction, a right through hole is formed in the right foot nail locking piece, the right through hole is a strip-shaped through hole, the length direction of the right through hole is in the left-right direction, the right rotating shaft penetrates through the right through hole, the right foot nail locking piece can move along the left-right direction, and the right foot nail locking piece can also rotate around the right rotating shaft; a foot nail clamping area is formed between the right arc-shaped notch and the left arc-shaped notch, the foot nail clamping area is communicated with the inner channel of the hook, and the left foot nail locking piece and the right foot nail locking piece can lock and fix foot nails.
The first hand holding part is internally provided with a finger through hole, the left side edge of the finger through hole is an arc edge, the left side edge of the finger through hole is provided with a plurality of protruding parts, and the protruding parts are arranged at intervals along the circumferential direction of the finger through hole.
The left side of first hand portion of holding and cross be equipped with the arc through-hole between the left side of finger through-hole, the left side of first hand portion of holding is the arc, matches each other between the left side of first hand portion of holding, arc through-hole and the left side of crossing the finger through-hole, and the lower extreme of first hand portion of holding is provided with down the through-hole.
The angle steel hook comprises a second hook body and a connecting ring which are connected up and down, the second hook body comprises a second hook tip, a second self-locking buckle is arranged between the second hook tip and the connecting ring, the lower end of the second self-locking buckle is connected with the connecting ring through a second torsion spring, and the upper end of the second self-locking buckle can be connected with or separated from the second hook tip.
The beneficial effects of the utility model are as follows:
1. the automatic shrinkage type power transmission line climbing anti-falling protection device can be applicable to all power transmission towers, including towers with other safety protection measures.
2. The device can provide climbing tower safety protection for operators.
3. The device has low investment cost, and can save a large amount of investment compared with other safety protection measures.
4. The existing pole tower can be used without being modified.
5. The rope of the device is automatically contracted, so that not only can the proper working length be provided for operators, but also the space can be saved, and convenience is brought to the operators in climbing the tower.
6. Compared with other anti-falling devices with fixed rope lengths, the anti-falling device has the advantages that the rope can be locked in time when falling, and the secondary injury of falling impact to operators is reduced.
7. The foot nail hook and the angle steel hook are provided with automatic locking switches, so that the hook device and the foot nails can be effectively prevented from being separated.
8. The device is of a modularized design as a whole, can be matched with various high-altitude operation tools and tools, and can be replaced and used by operators according to different operation scenes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a schematic diagram of a connecting hook in the automatic shrinkage type power transmission line climbing anti-falling protection device according to the utility model, wherein the connecting hook is a foot nail hook.
Fig. 2 is a schematic diagram of a connection hook in the automatic shrinkage type anti-falling protection device for climbing a power transmission line, wherein the connection hook is an angle steel hook.
Fig. 3 is a schematic front view of the spike hook.
Fig. 4 is a schematic view of a spike hook in locking connection with a spike.
Fig. 5 is a schematic view of the second self-locking catch in a closed state when the angle steel hook is in an operating state.
Fig. 6 is a schematic view of the second self-locking buckle in an open state when the angle steel hook is in an operating state.
The reference numerals are explained as follows:
1. a safety ring buckle; 2. a rope reel; 3. a connecting hook; 4. foot nails; 5. angle steel; 6. a second safety line; 7. a spring hook;
21. a first safety line; 22. a connecting through hole;
31. a foot nail hook; 32. angle steel hook;
311. a first hook body; 312. a first hand grip; 313. a left foot nail locking block; 314. a right foot nail locking piece; 315. a left spring; 316. a left rotating shaft; 317. a right spring; 318. a right rotating shaft; 319. a foot pin clamping area; 3110. a first self-locking catch;
321. a second hook body; 322. a connecting ring; 323. a second self-locking catch;
3111. a first hook tip; 3112. a hook inner channel;
3131. a right arc-shaped notch; 3132. a left through hole;
3141. a left arc notch; 3142. a right through hole;
3121. passing through the finger through hole; 3122. a protruding portion; 3123. an arc-shaped through hole; 3124. a lower through hole;
3211. and a second hook tip.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides an automatic shrink formula transmission line climbing anti-falling protection device, includes safety ring 1, rope receive and releases ware 2 and the couple 3 that connect gradually, contains first safety rope 21 in the rope receive and releases ware 2, and rope receive and releases ware 2 can automatic winding or pay out first safety rope 21, and couple 3 is spike couple 31 or angle steel couple 32, and spike couple 31 can be with spike 4 locking connection, angle steel couple 32 can be connected with angle steel 5 hook, as shown in fig. 1 and fig. 2.
The safety ring buckle 1 and the rope winding and unwinding device 2 can be directly connected or indirectly connected, and the rope winding and unwinding device 2 and the connecting hook 3 can be directly connected or indirectly connected. For example, one end of the rope reel 2 is provided with a connection through hole 22, and the safety buckle 1 is directly connected with the connection through hole 22 of the rope reel 2, or the safety buckle 1 is connected with the connection through hole 22 of the rope reel 2 through the second safety rope 6. Wherein, the safety ring buckle 1 can adopt the prior art product, and the construction of the safety ring buckle 1 is basically the same as that of the prior D-shaped lock.
In this embodiment, the inner end of the first safety rope 21 is located in the rope reel 2, the outer end of the first safety rope 21 is located outside the rope reel 2, and the outer end of the first safety rope 21 is connected to the connecting hook 3 through the spring hook 7. For example, the outer end of the first safety rope 21 is connected to the lower through hole 3124 of the below-described spike hook 31 through the snap hook 7, or the outer end of the first safety rope 21 is connected to the connection ring 322 of the below-described angle hook 32 through the snap hook 7.
In this embodiment, the rope reel 2 may be a prior art product, for example, the manufacturer of the rope reel 2 is the power equipment company of tendril, thai, the product model of the rope reel 2 is THFZD0001, and the product name of the rope reel 2 is a speed differential for a seat belt. The rope reel 2 has a speed difference locking function, and the rope reel 2 can lock the first safety rope 21 when the speed at which the rope reel 2 pays out the first safety rope 21 is greater than a set speed. That is, when the speed of the rope reel 2 for paying out the first safety rope 21 is greater than the set speed, the rope reel 2 cannot pay out the first safety rope 21 any more (the material may be nylon rope, wire rope, insulating rope, etc.).
Under the action of spring force in a normal state, the first safety rope 21 is arranged in the shell of the rope winding and unwinding device 2, the length of the first safety rope 21 can be adjusted according to the requirements of operators when the safety rope is not used, and the rope is automatically recovered when the safety rope is not used. When workers move at normal speed, the built-in rope can be normally retracted and released; when the worker falls, the rope retractor 2 senses that the moving speed is increased, and the first safety rope 21 can be locked in time, so that the safety of the worker is protected.
In this embodiment, the spike hook 31 includes a first hook body 311 and a first hand holding portion 312 connected up and down, the first hook body 311 includes a first hook tip 3111 and an inner hook channel 3112, and a first self-locking buckle 3110 is disposed between the first hook tip 3111 and the first hand holding portion 312. The lower end of the first self-locking buckle 3110 is connected to the first hand grip 312 by a first torsion spring, and the upper end of the first self-locking buckle 3110 can be connected to or disconnected from the first hook tip 3111, as shown in fig. 3.
In this embodiment, the pin hook 31 further includes a left pin locking block 313 and a right pin locking block 314 symmetrically disposed left and right, the left end of the left pin locking block 313 is connected with the first hook body 311 through a left spring 315, the right end of the left pin locking block 313 is provided with a right arc notch 3131, the left pin locking block 313 is connected with the first hook body 311 through a left rotating shaft 316, the left rotating shaft 316 extends along the front-rear direction, a left through hole 3132 is disposed in the left pin locking block 313, the left through hole 3132 is a strip-shaped through hole, the length direction of the left through hole 3132 is a left-right direction, the left rotating shaft 316 penetrates through the left through hole 3132, the left rotating shaft 316 is connected and fixed with the first hook body 311, the left pin locking block 313 can move along the left-right direction, and the left pin locking block 313 can also rotate around the left rotating shaft 316; the right end of right foot nail locking piece 314 is connected with first coupler 311 through right spring 317, the left end of right foot nail locking piece 314 is provided with left arc breach 3141, right foot nail locking piece 314 is connected with first coupler 311 through right pivot 318, right pivot 318 extends along the fore-and-aft direction, be equipped with right through-hole 3142 in the right foot nail locking piece 314, right through-hole 3142 is rectangular shape through-hole, right through-hole 3142's length direction is left-right direction, right pivot 318 passes right through-hole 3142, right pivot 318 is connected fixedly with first coupler 311, right foot nail locking piece 314 can follow left-right direction and remove, right foot nail locking piece 314 can also rotate around right pivot 318, as shown in fig. 4.
The left spring 315 can provide a restoring force from left to right for the left foot pin locking block 313, the right spring 317 can provide a restoring force from right to left for the right foot pin locking block 314, a foot pin clamping area 319 is formed between the right arc notch 3131 and the left arc notch 3141, the foot pin clamping area 319 is communicated with the hook inner channel 3112, and the right arc notch 3131 of the left foot pin locking block 313 and the left arc notch 3141 of the right foot pin locking block 314 can lock the fixed foot pin 4. The left and right pin locking pieces 313 and 314 are engaged with the pins 4 to lock the pins 4 so that the pin hooks 31 are not easily separated from the pins 4 as shown in fig. 3 and 4.
In this embodiment, the first hand holding portion 312 includes a finger passing through hole 3121, the index finger, middle finger, ring finger and little finger of the operator can pass through the finger passing through hole 3121, the hand of the operator can hold the region between the left side edge of the finger passing through hole 3121 and the left side edge of the first hand holding portion 312, the left side edge of the finger passing through hole 3121 is an arc edge, a plurality of protruding portions 3122 are provided on the left side edge of the finger passing through hole 3121, the plurality of protruding portions 3122 are arranged at intervals along the circumferential direction of the finger passing through hole 3121, and the lower end of the first hand holding portion 312 is provided with a first lower through hole 3124.
In this embodiment, an arc-shaped through hole 3123 is provided between the left side of the first hand holding portion 312 and the left side of the finger passing through hole 3121, the left side of the first hand holding portion 312 is arc-shaped, and the left side of the first hand holding portion 312, the arc-shaped through hole 3123 and the left side of the finger passing through hole 3121 are matched with each other. That is, the distance between the left side edge of the first grip 312 and the arc-shaped through hole 3123 is substantially the same everywhere along the extending direction of the arc-shaped through hole 3123, and the distance between the arc-shaped through hole 3123 and the left side edge of the finger-passing through hole 3121 is substantially the same everywhere.
In this embodiment, the angle steel hook 32 includes a second hook body 321 and a connecting ring 322 that are vertically connected, the second hook body 321 includes a second hook tip 3211, a second self-locking buckle 323 is disposed between the second hook tip 3211 and the connecting ring 322, the lower end of the second self-locking buckle 323 is connected with the connecting ring 322 through a second torsion spring, and the upper end of the second self-locking buckle 323 can be connected with or separated from the second hook tip 3211, as shown in fig. 5 and 6.
The working process of the automatic contraction type transmission line climbing anti-falling protection device is described below.
Before use, the safety ring buckle 1, the rope winding and unwinding device 2 and the connecting hook 3 are connected together, and then the safety ring buckle 1 is connected with a safety belt on an operator. The connecting hook 3 is selected to be a pin hook 31 or an angle steel hook 32 according to the different connecting objects on the iron tower, for example, when the connecting object is a pin 4, the connecting hook 3 is a pin hook 31, and the pin hook 31 can be in locking connection with the pin 4 as shown in fig. 4; when the connecting object is the angle steel 5, then the connecting hook 3 is the angle steel hook 32, and the angle steel hook 32 can be connected with the angle steel 5 in a hooking way, as shown in fig. 5.
The first connecting object is a pin 4, and the connecting hook 3 is a pin hook 31. When the climbing anti-falling protection device is used, two hands of an operator respectively hold one set of the climbing anti-falling protection device for the automatic contraction type transmission line; the first set of devices is firstly hung on the pins 4 through the pin hooks 31, and then the pin hooks 31 are slightly pulled downwards, so that the pin hooks 31 are fixed on the pins 4 through the left pin locking blocks 313 and the right pin locking blocks 314. Then the worker starts to climb the tower, when climbing to the next foot nail, the second set of devices is hung on the foot nail through the same method and fixed, at the moment, the worker lifts and unlocks the foot nail hook 31 of the first set of devices, meanwhile, the foot nail hook 31 is taken off from the foot nail 4, the worker continues to climb to the next foot nail 4, and then the same method is installed to hang the foot nail hook 31 of the first set of devices on the third foot nail. And (5) sequentially repeating the method to climb. Along with the climbing of operating personnel uses couple device in turn, guarantee at any time at the climbing in-process have one set automatic shrink formula transmission line climbing anti-falling protection device links to each other with the pin 4 all the time, guarantees that operating personnel is in the safety protection state.
When staff loses the focus, automatic shrink formula transmission line climbing anti-falling protection device hangs the operating personnel on the shaft tower through peg 4, falls impact force transmission to rope winding and unwinding device 2, and rope winding and unwinding device 2 is automatic pinning rope when feeling the speed variation, prevents the incident emergence of falling very first time, reaches the purpose of protection operating personnel safety.
When the operating personnel goes up shaft tower cross arm department, the connection object is angle steel 5, changes angle steel couple 32 with connecting couple 3 by foot nail couple 31, changes angle steel couple 32 and removes the operation along the cross arm, hangs through the cooperation of angle steel couple 32 and angle steel 5, reaches the effect of protection operating personnel safety.
For ease of understanding and description, the present utility model is expressed by an absolute positional relationship, in which the azimuth term "upper" indicates the upper direction in fig. 1, the azimuth term "lower" indicates the lower direction in fig. 1, the azimuth term "left" indicates the left direction in fig. 1, the azimuth term "right" indicates the right direction in fig. 1, the azimuth term "front" indicates the direction perpendicular to the paper surface in fig. 1 and directed to the inside of the paper surface, and the azimuth term "rear" indicates the direction perpendicular to the paper surface in fig. 1 and directed to the outside of the paper surface, unless otherwise specified. The present utility model is described using the viewing angle of the reader or user, but the above directional terms are not to be interpreted or construed as limiting the scope of the present utility model.
The foregoing description of the embodiments of the utility model is not intended to limit the scope of the utility model, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the utility model shall fall within the scope of the patent. In addition, the technical features and technical features, technical features and technical scheme, technical scheme and technical scheme, and embodiments of the utility model can be freely combined for use.
Claims (10)
1. The utility model provides an automatic shrink formula transmission line climbing protection device that prevents weighing down, its characterized in that, automatic shrink formula transmission line climbing protection device that prevents weighing down includes safety ring (1), rope winding and unwinding device (2) and coupling hook (3) that connect gradually, contains first safety rope (21) in rope winding and unwinding device (2), and rope winding and unwinding device (2) can automatic winding or pay out first safety rope (21), and coupling hook (3) are spike couple (31) or angle steel couple (32), and spike couple (31) can be with spike (4) locking connection, and angle steel couple (32) can be with angle steel (5) hook connection.
2. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 1, wherein one end of the rope winding and unwinding device (2) is provided with a connecting through hole (22), and the safety ring buckle (1) is directly connected with the connecting through hole (22) of the rope winding and unwinding device (2).
3. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 1, wherein the inner end of the first safety rope (21) is positioned in the rope winding and unwinding device (2), the outer end of the first safety rope (21) is positioned outside the rope winding and unwinding device (2), and the outer end of the first safety rope (21) is connected with the connecting hook (3) through the spring hook (7).
4. The automatic retraction type transmission line climbing anti-falling protection device according to claim 1, wherein the rope retractor (2) can lock the first safety rope (21) when the speed at which the rope retractor (2) pays out the first safety rope (21) is greater than a set speed.
5. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 1, wherein the foot nail hook (31) comprises a first hook body (311) and a first hand holding part (312) which are connected up and down, the first hook body (311) comprises a first hook tip (3111) and an intra-hook channel (3112), and a first self-locking buckle (3110) is arranged between the first hook tip (3111) and the first hand holding part (312).
6. The automatic retractable power transmission line climbing anti-falling protection device according to claim 5, wherein a lower end of the first self-locking buckle (3110) is connected to the first hand grip (312) via a first torsion spring, and an upper end of the first self-locking buckle (3110) is capable of being connected to or disconnected from the first hook tip (3111).
7. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 5, wherein the foot nail hook (31) further comprises a left foot nail locking block (313) and a right foot nail locking block (314) which are symmetrically arranged left and right, the left end of the left foot nail locking block (313) is connected with the first hook body (311) through a left spring (315), the right end of the left foot nail locking block (313) is provided with a right arc-shaped notch (3131), the left foot nail locking block (313) is connected with the first hook body (311) through a left rotating shaft (316), the left rotating shaft (316) extends along the front-back direction, a left through hole (3132) is arranged in the left foot nail locking block (313), the left through hole (3132) is a strip-shaped through hole, the length direction of the left through hole (3132) is in the left-right direction, the left rotating shaft (316) penetrates through the left through hole (3132), the left foot nail locking block (313) can move along the left-right direction, and the left foot locking block (313) can also rotate around the left rotating shaft (316); the right end of the right foot nail locking block (314) is connected with the first hook body (311) through a right spring (317), a left arc notch (3141) is formed in the left end of the right foot nail locking block (314), the right foot nail locking block (314) is connected with the first hook body (311) through a right rotating shaft (318), the right rotating shaft (318) extends along the front-back direction, a right through hole (3142) is formed in the right foot nail locking block (314), the right through hole (3142) is a strip-shaped through hole, the length direction of the right through hole (3142) is the left-right direction, the right rotating shaft (318) penetrates through the right through hole (3142), the right foot nail locking block (314) can move along the left-right direction, and the right foot nail locking block (314) can rotate around the right rotating shaft (318); a foot nail clamping area (319) is formed between the right arc-shaped notch (3131) and the left arc-shaped notch (3141), the foot nail clamping area (319) is communicated with the hook inner channel (3112), and the left foot nail locking block (313) and the right foot nail locking block (314) can lock and fix the foot nail (4).
8. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 5, wherein the first hand holding portion (312) comprises a finger passing through hole (3121), the left side edge of the finger passing through hole (3121) is an arc edge, a plurality of protruding parts (3122) are arranged on the left side edge of the finger passing through hole (3121), and the plurality of protruding parts (3122) are arranged at intervals along the circumferential direction of the finger passing through hole (3121).
9. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 8, wherein an arc-shaped through hole (3123) is formed between the left side edge of the first hand holding part (312) and the left side edge of the finger passing through hole (3121), the left side edge of the first hand holding part (312) is arc-shaped, the left side edge of the first hand holding part (312), the arc-shaped through hole (3123) and the left side edge of the finger passing through hole (3121) are matched with each other, and the lower end of the first hand holding part (312) is provided with a lower through hole (3124).
10. The automatic shrinkage type power transmission line climbing anti-falling protection device according to claim 1, wherein the angle steel hook (32) comprises a second hook body (321) and a connecting ring (322) which are connected up and down, the second hook body (321) comprises a second hook tip (3211), a second self-locking buckle (323) is arranged between the second hook tip (3211) and the connecting ring (322), the lower end of the second self-locking buckle (323) is connected with the connecting ring (322) through a second torsion spring, and the upper end of the second self-locking buckle (323) can be connected with or separated from the second hook tip (3211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320143549.0U CN219579751U (en) | 2023-02-07 | 2023-02-07 | Automatic shrink formula transmission line climbing anti-falling protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320143549.0U CN219579751U (en) | 2023-02-07 | 2023-02-07 | Automatic shrink formula transmission line climbing anti-falling protection device |
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| CN219579751U true CN219579751U (en) | 2023-08-25 |
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| CN202320143549.0U Active CN219579751U (en) | 2023-02-07 | 2023-02-07 | Automatic shrink formula transmission line climbing anti-falling protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957457A (en) * | 2023-02-07 | 2023-04-14 | 康宇斌 | Automatic contraction type anti-falling protection device for power transmission line climbing |
-
2023
- 2023-02-07 CN CN202320143549.0U patent/CN219579751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957457A (en) * | 2023-02-07 | 2023-04-14 | 康宇斌 | Automatic contraction type anti-falling protection device for power transmission line climbing |
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