CN112814989B

CN112814989B - Climbing hook locking device

Info

Publication number: CN112814989B
Application number: CN202011642310.5A
Authority: CN
Inventors: 罗家猛; 史纯清; 肖玉斌; 赖罗彬; 犹永开; 黄俊澄; 陆承虎; 石廷章; 辜永龙; 刘超; 付竹
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-07-01
Anticipated expiration: 2040-12-31
Also published as: CN112814989A

Abstract

The invention discloses a climbing hook locking device which comprises a long-arm hook and a handle, wherein a hook part of the long-arm hook is hinged to the handle through a detachable hinged shaft by one side of an arm of the long-arm hook, a plurality of hinged holes are formed in the hinged shaft at the position where the hinged shaft is connected with the long-arm hook in a splicing mode, a crawling ladder cross rod connected with the hook part can be clamped by one end of the handle after the handle rotates, a safety belt hanging hole is formed in the upper side of the tail part of the handle, and the length of the arm of the long-arm hook is larger than the distance between two adjacent crawling ladder cross rods. The locking device can ensure that the climbing hook is more reliable and stable in hanging and connection, and improves the safety of climbing operation.

Description

Climbing hook locking device

Technical Field

The invention belongs to the technical field of climbing equipment of climbing ladders, and relates to a climbing hook locking device.

Background

The ladder stand is common auxiliary assembly of electric power industry, and the place that is used for fixed equipment to need ascending a height such as transformer substation main transformer, transformer substation's door type pole framework, transmission line shaft tower, building etc..

In above-mentioned equipment, when needing to overhaul and maintain, each professional team such as operation, maintenance, experiment all can carry out professional experiment and maintenance to equipment, can go up to the equipment top through the cat ladder in the maintenance process and carry out work.

Q/CSG510001-2015 electric power safety work regulation of south China Power grid Limited company 20.2.3 provides that when the scaffold works on a scaffold without a railing and the height exceeds 1.5m, a safety belt is used or other reliable safety measures are taken. 20.2.2 specifies that the harness should be used in a high hang down manner and should not be tied to moving, sharp or loose objects. The protection of the safety belt is not lost when the tower is climbed and the position is transferred. In the process of operation, whether the safety belt is fastened or not should be checked at any time. Similar regulations, also have specific requirements in the regulations promulgated by the country.

According to above-mentioned regulation, the operation personnel in the climbing when the cat ladder, in order to prevent to fall, guarantee personal safety, the operation personnel can wear the safety belt, and the alternative use through enclosing rod area and two guarantors rope realizes the protection, and every last check will stop, has beaten the top safety belt, takes off the safety belt of below again, and continuous repetition consumes a lot of physical power and vigor of operation personnel.

The climbing couple that current climbing was used can't realize locking completely, and operational safety is poor.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: a climbing hook locking device is provided to solve the problems existing in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides a climbing couple locking device, includes long-armed couple and handle, and the hook portion of long-armed couple has the handle through detachable articulated shaft is articulated by its arm one side, and articulated shaft grafting long-armed couple department sets up a plurality of hinge holes, and the rotatory back one end of handle can be died the cat ladder horizontal pole card that hook portion articulated, and handle afterbody upside is provided with the safety belt hanging hole, and the arm length of long-armed couple is greater than two adjacent cat ladder horizontal pole intervals.

Preferably, the plurality of hinge holes are arranged to intersect along a straight line.

Preferably, the hinged handle of the long arm hook is provided with a rotary limiting through hole, and the handle is hinged through a hinge shaft after penetrating through the rotary limiting through hole.

Preferably, the handle is provided with an anti-falling boss at one end close to the long-arm hook, and the anti-falling boss faces the hook part of the long-arm hook.

Preferably, the hinge shaft is a step shaft and is locked by a nut after passing through the long arm hook.

The invention has the beneficial effects that: compared with the prior art, the locking device can ensure that the climbing hook is more reliable and stable in hanging and connection, and improves the safety of climbing operation.

Drawings

FIG. 1 is a schematic view of a climbing hook structure;

FIG. 2 is a schematic cross-sectional view of a long arm hook;

FIG. 3 is a schematic view of the locking device;

fig. 4 is a schematic view of a hinge shaft structure.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in figures 1-4, a climbing hook comprises a long-arm hook 1 and a handle 2, wherein the hook part of the long-arm hook 1 is hinged with the handle 2 through a detachable hinge shaft 3 by one side of the arm, the hinge shaft 3 is inserted into the long-arm hook 1 and is provided with a plurality of hinge holes 4, one end of the handle 2 can clamp a ladder stand cross bar 5 hooked by the hook part after rotating, the upper side of the tail part of the handle 2 is provided with a safety belt hanging hole, the arm length of the long-arm hook 1 is greater than the distance between two adjacent cross bars 5, one end of the hinge shaft 3 is provided with a fixing plate, the other end of the fixing plate is fixedly connected with an anti-rotation platform, the anti-rotation platform can be embedded into a blind hole on the surface of the long-arm hook 1 to realize the rotation of the hinge shaft, the hinge shaft can only rotate around the handle, the hinge shaft is limited by a nut or a cotter pin after passing through the long-arm hook, the hinge holes can realize the adjustment of the size of a bayonet, thereby being suitable for different climbing cross bars, the hook has the advantages that the application range is wider, the equipment cost is reduced, the large labor intensity caused by carrying too many climbing devices to the field is avoided, the detachable structure is adopted, the rapid assembly of different hole positions is facilitated, the operation is convenient, the lever effect is utilized, the weight of a human body is utilized, the hook is tightly buckled on the cross rod of the ladder stand through the handle, and therefore an operator can easily climb; when the tool is used for climbing a main transformer, the time spent originally can be shortened to be within 20 seconds from 3 minutes or more, the tool can fully protect operating personnel, the climbing time can be shortened, the operation efficiency is improved, and the operation labor intensity is reduced. The climbing device can be used for climbing poles, iron towers, transformer substations and buildings with the climbing ladder.

Preferably, the plurality of hinge holes 4 are arranged along a straight line in a crossed manner, so that the structure is more compact and the adjustment range is wider.

Preferably, 2 departments of the articulated handle of above-mentioned long arm couple 1 set up rotatory spacing through-hole 6, and it is articulated through articulated shaft 3 after handle 2 passes rotatory spacing through-hole 6, and long arm couple and handle symmetry atress improve equipment safety in utilization and reliability set up rotatory spacing through-hole, and it is too big to avoid climbing in-process rotation angle between long arm couple 1 and the handle 2, can not realize articulating fast, and it can ensure to couple the department of opening and normally open to lift the in-process.

Preferably, the handle 2 is provided with an anti-falling boss 7 near the end of the long-arm hook 1, and the anti-falling boss 7 faces the hook part of the long-arm hook 1, so that the hooking reliability and stability are improved.

Preferably, the hinge shaft 3 is a step shaft, and is locked by a nut after passing through the long-arm hook 1, so that the hinge shaft is easy to assemble and disassemble and is reliable in connection.

Preferably, the locking device further comprises a locking device, the locking device comprises a telescopic rod 101, a return spring 102 and a pressing plate 103, the telescopic rod 101 is of a flat bar structure, the telescopic rod 101 extends into the hollow handle 2, the inner end of the telescopic rod is provided with a ratchet 104, a ratchet tooth part 105 matched with the ratchet 104 is arranged on a hinge shaft 3 fixedly connected to the long arm hook 1, the telescopic rod 101 is provided with a guide column 106, the guide column 106 is in clearance fit with an inner hole of the handle 2, the outer end of the guide column 106 is provided with a pressing column 107, the pressing column 107 movably extends out of a sealing cover 108 in spiral connection with the tail end of the handle 2, one end of the pressing plate 103 is vertically connected with a locking plate 109, the locking plate 109 is provided with a square hole 110, the square hole 110 is larger than the size of the telescopic rod 101, the lower end of the telescopic rod 101 is provided with a U-shaped clamping groove 111, the locking plate 109 can be clamped into the U-shaped clamping groove 111, the return spring 102 is sleeved on the telescopic rod 101, and two ends of the locking plate 109 and the guide column 106 are conveniently abutted against, the locking device can realize further locking of the long-arm hook.

Preferably, a compression spring 112 is disposed in the middle of the pressing plate 103, and two ends of the compression spring 112 respectively abut against between the pressing plate 103 and the handle 2, so that the pressing plate can be always in a locked state.

Preferably, the handle 2 has an upside belt hanging hole 113 with an inverted U-shaped frame structure and a downside pull ring 114, the outer end of the pressing plate 103 contacts with the side pillar of the belt hanging hole 113 to play a role of guiding the pressing plate, and when the belt is hung, the handle is automatically pressed to facilitate pushing the pressing pillar.

Preferably, the bottom end of the locking plate 109 is an arc-shaped structure, and the radius of the arc-shaped structure is equal to the radius of the inner hole of the handle.

Preferably, the upper end of the compression spring 112 is sleeved on a positioning table arranged below the pressing plate, and the lower end of the compression spring abuts against the groove.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims

1. A climbing hook locking device, its characterized in that: comprises a locking device, the locking device comprises a telescopic rod (101), a reset spring (102) and a pressing plate (103), the telescopic rod (101) is of a flat bar structure and extends into a hollow handle (2), the inner end of the telescopic rod is provided with a ratchet (104), a ratchet tooth part (105) matched with the ratchet (104) is arranged on a hinge shaft (3) fixedly connected to a long arm hook (1), the telescopic rod (101) is provided with a guide post (106), the guide post (106) is in clearance fit with an inner hole of the handle (2), one end of the pressing plate (103) is vertically connected with a locking plate (109), the locking plate (109) is provided with a square hole (110), the square hole (110) is larger than the size of the telescopic rod (101), the lower end of the telescopic rod (101) is provided with a U-shaped clamping groove (111), the locking plate (109) can be clamped into the U-shaped clamping groove (111), the reset spring (102) is sleeved on the telescopic rod (101), and two ends of the reset spring can be conveniently abutted against the locking plate (109) and the guide post (106), still include long arm couple and handle, the hook portion of long arm couple has the handle through detachable articulated shaft by its arm one side, and handle rotation back one end can be died the cat ladder horizontal pole card that hook portion articulated, and the arm length of long arm couple is greater than two adjacent cat ladder horizontal pole intervals.

2. A climbing hook locking device according to claim 1, characterized in that: the middle part of the pressing plate (103) is provided with a compression spring (112), and two ends of the compression spring (112) are respectively abutted between the pressing plate (103) and the handle (2).

3. A climbing hook locking device according to claim 1, characterized in that: the outer end of the guide post (106) is provided with a pressing post (107), and the pressing post (107) movably extends out of a sealing cover (108) arranged at the tail end of the handle (2).

4. A climbing hook locking device according to claim 1, characterized in that: the upper side of the handle (2) is provided with a safety belt hanging hole (113) with an inverted U-shaped frame structure, and the outer end of the pressing plate (103) is contacted with a side upright post of the safety belt hanging hole (113).

5. A climbing hook locking device according to claim 1, characterized in that: a pull ring (114) is arranged on the lower side of the handle (2).

6. A climbing hook locking device according to claim 3, characterized in that: the sealing cover (108) is screwed on the end of the handle.

7. A climbing hook locking device according to claim 1, characterized in that: the bottom end of the locking plate (109) is of an arc structure, and the radius of the locking plate is equal to the radius of the inner hole of the handle.

8. A climbing hook locking device according to claim 2, characterized in that: the upper end of a compression spring (112) is sleeved on a positioning table arranged on the lower side of the pressing plate, and the lower end of the compression spring is abutted in the groove.