CN114712743A

CN114712743A - Anti-falling tower climbing device

Info

Publication number: CN114712743A
Application number: CN202210347740.7A
Authority: CN
Inventors: 温振宇; 江伟斌; 陈朝新; 朱城香; 麦嘉颖; 李雪玲; 潘正焘; 梁升锋; 曾婧雯
Original assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-08
Anticipated expiration: 2042-04-01
Also published as: CN114712743B

Abstract

The invention relates to the technical field of power grid maintenance equipment and discloses a falling-preventing tower climbing device. The anti-falling tower climbing device comprises a hanging component, a limiting component, a first locking component and a second locking component, wherein the hanging component is configured to be capable of being hung on angle iron of an iron tower, the limiting component, the first locking component and the second locking component are rotatably arranged on the hanging component, and the limiting component and the hanging component can enclose a limiting space which is limiting to the angle iron. The first locking component rotates to lock the limiting component at a position enclosing a limiting space or unlock the limiting component. The second locking assembly is configured to limit rotation of the first locking assembly. According to the anti-falling tower climbing device, the second locking component is arranged to lock the first locking component, so that the first locking component can be effectively prevented from rotating randomly, the stability of the first locking component in locking the position of the limiting component is improved, and the anti-falling tower climbing device can be firmly hung on an angle iron of an iron tower.

Description

Anti-falling tower climbing device

Technical Field

The invention relates to the technical field of power grid maintenance equipment, in particular to a falling-preventing tower climbing device.

Background

The electric power iron tower is a ladder-shaped or triangular tower-shaped building, the height of which is usually 25-40 meters, and is of a steel frame structure. The electric power iron tower is mostly built near a power plant and a power distribution station in the field, is an important facility of an electric power department, can make an overhead wire and plays a role in protection and support. Design, manufacture, installation, maintenance and quality detection of the electric power iron tower are important guarantees for operation and development of modern electric power systems.

In order to carry out power grid operation and maintenance, operation and maintenance personnel inevitably need to climb between different power towers. Because the safety protection measures widely used at present can only provide the high-altitude protection of fixed working points, the high-altitude falling prevention of operation and maintenance personnel in the climbing process is difficult to ensure, and therefore the potential safety hazard is very large. The anti-falling hook is also movable, the anti-falling hook is provided with a lock catch, the lock catch can lock the anti-falling hook on the angle iron of the iron tower, the anti-falling hook can be taken down from the angle iron by opening the lock catch, but the lock catch has the risk of loosening, so that the anti-falling hook is not firmly hooked and separated from the angle iron, and the operation and maintenance personnel fall from the high altitude.

Therefore, there is a need for a fall-preventing tower climbing device to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to provide a falling prevention tower climbing device, which solves the problem that an existing falling prevention hook is not firmly hooked on an angle iron.

In order to achieve the purpose, the invention adopts the following technical scheme:

a fall arrest tower climbing device comprising:

a hitch assembly configured to be able to hitch on angle iron of an iron tower;

the limiting component is rotatably arranged on the hanging component and can form a limiting space for limiting the angle iron with the hanging component in an enclosing mode;

the first locking component is rotatably arranged on the hanging component, and the first locking component can lock the limiting component at a position which encloses the limiting space or unlock the limiting component by rotating;

a second locking assembly rotatably disposed on the hitch assembly, the second locking assembly configured to limit rotation of the first locking assembly.

As an alternative, the hanging component comprises a hanging main body and a first hook, the first hook can be hung on a horizontal side plate of the angle iron, one end of the first hook is connected with the hanging main body, the other end of the first hook is rotatably provided with the limiting component, and the first locking component and the second locking component are rotatably arranged on the hanging main body.

As an alternative, the limiting assembly comprises a first limiting plate, a second limiting plate and a third limiting plate which are sequentially connected, one end of the first limiting plate, which is connected with the second limiting plate, is rotatably connected with one end of the first hook, which is not connected with the hooking main body, the first limiting plate can be hooked on the horizontal side plate of the angle iron, and the first locking assembly can lock one end of the third limiting plate, which is not connected with the second limiting plate.

As an alternative, a second hook is arranged at one end, connected with the first locking component, of the third limiting plate, and the second hook can be connected with the first locking component in a hanging mode.

As an alternative, the first locking assembly comprises:

the two groups of locking plates are respectively and rotatably arranged on two sides of the hanging main body, the locking plates are divided into two sections, an included angle is formed between the two sections of locking plates, a hanging column is arranged at one end of each locking plate, and the second hook can be hung on the hanging column;

and one end of the connecting plate is connected with the other end of the locking plate, and the locking plate can be rotated by rotating the connecting plate, so that the hooking column is hooked with the second hook or separated from the second hook.

As an alternative, the second locking assembly comprises:

one end of the hinged plate is rotatably connected with the hanging main body, the other end of the hinged plate is provided with a clamping groove, and the hinged plate rotates to enable the clamping groove to be clamped into the connecting plate so as to limit the movement of the hanging column;

and the handle part is connected with one end, which is not provided with the clamping groove, of the hinged plate, and the hinged plate can rotate by rotating the handle part, so that the clamping groove is clamped into or avoided from the connecting plate.

As an alternative, the anti-falling tower climbing device further comprises:

the handle assembly is connected with the hanging main body, and the hanging assembly can be shifted in position by moving the handle assembly.

As an alternative, the handle assembly comprises:

the lifting handle comprises a lifting handle body and a connecting pipe, wherein one end of the connecting pipe is connected with the lifting handle body, and the other end of the connecting pipe is connected with the hanging main body.

As an alternative, the anti-falling tower climbing device further comprises:

the transmission assembly comprises a connecting rope and a guide part, the guide part is arranged on one side, opposite to the hanging main body, of the connecting plate, one end of the connecting rope is connected with the handle body, and the other end of the connecting rope is wound on the guide part and then is connected with the handle part.

As an alternative scheme, the transmission assembly further comprises a pulley block, the pulley block is arranged in the hanging main body, a driving portion is movably arranged in the handle body, one end of the connecting rope penetrates through a pipe cavity of the connecting pipe to be connected with the driving portion, and the other end of the connecting rope is wound on the pulley block and is connected with the handle portion behind the guide portion.

As an alternative scheme, the hanging main body comprises a connecting portion and a handle portion used for holding, one end of the connecting portion is connected with the first hook, the other end of the connecting portion is connected with the handle portion, a rope hanging hole is formed in the handle portion, and the rope hanging hole is used for being connected with a safety rope.

The invention has the beneficial effects that:

the anti-falling tower climbing device is provided with a hanging component hung on angle iron of an iron tower, a limiting space for limiting the angle iron is enclosed by the limiting component and the hanging component, and the first locking component rotates to lock the limiting component at the position enclosing the limiting space or unlock the limiting component. And the second locking component is arranged to lock the first locking component, so that the first locking component can be effectively prevented from rotating at will, the stability of the first locking component for locking the position of the limiting component is improved, and the anti-falling tower climbing device can be firmly hung on an angle iron of an iron tower.

Drawings

Fig. 1 is a schematic structural diagram of a locking state of a fall-preventing tower climbing device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating an unfastened state of the anti-falling tower climbing device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a locking state of the anti-falling tower climbing device according to the second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a released state of the fall-preventing tower climbing device according to the second embodiment of the present invention;

fig. 5 is a cross-sectional view of a locking state of the fall-preventing tower climbing device according to the second embodiment of the present invention.

In the figure:

1. a hitch assembly; 11. a main body is connected; 111. a connecting portion; 112. a handle portion; 1121. a rope hanging hole; 12. a first hook;

2. a limiting component; 21. a first limit plate; 22. a second limiting plate; 23. a third limiting plate; 24. a second hook;

3. a first locking assembly; 31. a locking plate; 32. hanging the connecting column; 33. a connecting plate;

4. a second locking assembly; 41. a hinge plate; 42. a handle portion;

5. a handle assembly; 51. a handle body; 52. a connecting pipe; 53. a drive section;

6. a transmission assembly; 61. connecting ropes; 62. a guide portion; 63. a pulley block;

7. a connecting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The first embodiment is as follows:

in order to protect the safety of the operating personnel, the anti-falling tower climbing device is required to be used during tower climbing operation, the anti-falling tower climbing device is fixed on angle iron of an iron tower of a power distribution line, a safety belt is tied between waists of the operating personnel climbing the tower, and the speed difference anti-falling device is used for connecting the safety belt and the anti-falling tower climbing device to prevent the operating personnel from falling from a high place. When the speed difference safety hook is used normally, the safety rope moves along with the human body and freely stretches, so that an operator does not feel stumbled. In case that the operator falls due to the loss of feet, the pulling-out speed of the safety rope is obviously accelerated, the locking system in the speed difference falling protector automatically locks, the safety rope stops pulling out after being pulled out for a short distance, and the operator is prevented from continuing falling.

As shown in fig. 1 and fig. 2, the embodiment provides a falling prevention tower climbing device, which includes a hanging component 1, a limiting component 2, a first locking component 3 and a second locking component 4, wherein the hanging component 1 can be hung on an angle iron of an iron tower, the limiting component 2, the first locking component 3 and the second locking component 4 are rotatably arranged on the hanging component 1, the limiting component 2 can form a limiting space for limiting the angle iron with the hanging component 1, the first locking component 3 can lock the limiting component 2 at the position surrounding the limiting space or unlock the limiting component 2 by rotating, the second locking component 4 is used for limiting the rotation of the first locking component 3, the first locking component 3 is locked by arranging the second locking component 4, which is beneficial to improving the locking effect of the first locking component 3 on the limiting component 2, so that the falling prevention tower climbing device is firmly connected on the angle iron, the stability of preventing falling and stepping on tower device articulate on the angle bar is improved.

Specifically, as shown in fig. 1, the hooking component 1 includes a hooking main body 11 and a first hook 12, the first hook 12 can be hooked on a horizontal side plate of an angle iron, one end of the first hook 12 is connected with the hooking main body 11, the other end is rotatably provided with a limiting component 2, and the first locking component 3 is rotatably arranged on the hooking main body 11. The first locking component 3 is rotated to unlock the limiting component 2, the limiting component 2 is rotated towards the direction far away from the first locking component 3, an opening is opened in the limiting space for limiting the angle iron, and the hanging component 1 is hung on the angle iron or taken down from the angle iron. The end of the first hook 12 not connected to the hooking body 11 is bent downward to form a hem, so as to shield the angle iron, thereby preventing the first hook 12 from separating from the angle iron.

Preferably, as shown in fig. 1, the hanging main body 11 includes a connecting portion 111 and a handle portion 112, the upper end of the connecting portion 111 is connected to the first hook 12, the lower end is connected to the handle portion 112, and the first locking member 3 is disposed on the connecting portion 111 and extends toward the handle portion 112. In order to facilitate grasping, the handle part 112 is provided with a recess, and fingers are limited in the recess during grasping, so that grasping is more convenient and firmer. The handle 112 is provided with a rope hanging hole 1121, and the rope hanging hole 1121 is used for connecting a safety rope.

Further, as shown in fig. 1, two sets of limiting assemblies 2 are arranged, the two sets of limiting assemblies 2 are symmetrically arranged on two sides of the hanging assembly 1, and the two sets of limiting assemblies 2 are connected through a connecting piece 7, so that the limiting of the diagonal iron is more stable.

Specifically, as shown in fig. 1, limiting assembly 2 is a C-shaped structure, and includes first limiting plate 21, second limiting plate 22 and third limiting plate 23 that connect gradually, the one end that first limiting plate 1 and second limiting plate 22 link to each other rotates the one end of connecting in first couple 12 with articulate the one end that main part 11 links to each other, first limiting plate 21 can articulate on the horizontal curb plate of angle bar, and first locking assembly 3 can lock the one end that third limiting plate 23 links to each other with second limiting plate 22. First limiting plate 21 and first couple 12 between articulated mutually, the downside of first limiting plate 21 can with the downside parallel and level of first couple 12, when preventing falling to climb the tower device and articulate on the angle bar, first limiting plate 21 and first couple 12 contact with the horizontal side board of angle bar simultaneously, make prevent falling to climb the tower device and articulate on the angle bar more firmly.

Preferably, as shown in fig. 1, a second hook 24 is provided at one end of the third limiting plate 23 hooked to the first locking component 3, and the second hook 24 can be hooked to the first locking component 3.

Further, as shown in fig. 1, the first locking assembly 3 includes a locking plate 31 and a coupling plate 33. The locking plates 31 are arranged in two groups, the two groups of locking plates 31 are respectively arranged on two sides of the hanging main body 11 in a rotating mode, the locking plates 31 are divided into two sections, an included angle is formed between the two sections of locking plates 31, one end of each locking plate 31 is provided with a hanging column 32, and the second hook 24 can be hung on the hanging column 32. One end of the connecting plate 33 is connected to the other end of the two locking plates 31, and rotating the connecting plate 33 enables the locking plates 31 to rotate so that the hooking column 32 is hooked to the second hook 24 or detached from the second hook 24. The end of the locking plate 31 connected with the connecting plate 33 can be rotatably connected with the hanging main body 11 by a pin shaft, and the locking plate has a simple structure and can flexibly and stably rotate.

Further, as shown in fig. 1, the second locking assembly 4 includes a hinged plate 41 and a handle portion 42, one end of the hinged plate 41 connected to the handle portion 42 is rotatably connected to the hooking main body 11, the other end is provided with a slot, the hinged plate 41 rotates to enable the slot to be clamped into the connecting plate 33 to limit the movement of the hooking column 32, so that the second hook 24 is stably hooked on the hooking column 32, the limiting effect of the limiting assembly 2 on the angle iron is ensured, and the falling prevention tower climbing device is prevented from being separated from the angle iron. The handle portion 42 is connected to an end of the hinge plate 41 where no locking groove is provided, and rotation of the handle portion 42 causes the hinge plate 41 to rotate so that the locking groove is engaged with or disengaged from the connecting plate 33, and pressing the handle portion 42 in a direction away from the hooking main body 11 causes the locking groove to be away from the connecting plate 33, thereby releasing the locking of the first locking unit 3, and pressing the handle portion 42 in a direction away from the hooking main body 11 causes the locking groove to be engaged with the connecting plate 33, thereby locking the first locking unit 3.

Example two:

the embodiment provides a fall-prevention tower climbing device, and the difference between the fall-prevention tower climbing device of the second embodiment and the first embodiment is that:

as shown in fig. 3 and 4, the anti-falling tower climbing device further comprises a handle assembly 5, the handle assembly 5 is connected with the hanging body 11, and the hanging assembly 1 can be shifted by moving the handle assembly 5. Specifically, the handle assembly 5 includes a handle body 51 and a connecting tube 52, one end of the connecting tube 52 is connected to the handle body 51, and the other end is connected to the hanging main body 11. The connection tube 52 may be made of a bendable metal tube so that the connection tube 52 can be arbitrarily adjusted in angle for use at different positions.

Preferably, as shown in fig. 5, the anti-falling tower climbing device further includes a transmission assembly 6, the transmission assembly 6 includes a connection rope 61 and a guide portion 62, the guide portion 62 is disposed on a side of the connection plate 33 opposite to the hanging main body 11, one end of the connection rope 61 is connected to the handle body 51, and the other end is connected to the handle portion 42 after being wound around the guide portion 62. The tension direction of the connecting rope 61 is changed through the guide part 62, when the connecting rope 61 is pulled on the handle body 51, the handle part 42 can be driven to rotate towards the hanging main body 11 and the connecting plate 33, the hinged plate 41 is far away from the connecting plate 33 under the action of a lever principle, and remote unlocking is achieved.

More preferably, with reference to fig. 5, the transmission assembly 6 further includes a pulley block 63, the pulley block 63 is disposed in the hanging main body 11, the handle body 51 is movably disposed with the driving portion 53, one end of the connecting rope 61 passes through the lumen of the connecting pipe 52 and is connected to the driving portion 53, and the other end is connected to the handle portion 42 after being wound around the pulley block 63 and the guiding portion 62. When the driving part 53 is driven to slide relative to the handle body 51 and move away from the hanging main body 11, the handle part 42 can be close to the first locking component 3 through the tensioning action of the guide part 62 and the pulley block 63, and more accurate and smooth remote unlocking is realized.

The installation and the disassembly process of the anti-falling tower climbing device are as follows:

during the installation, rotate second locking subassembly 4 and remove the locking to first locking subassembly 3, rotate first locking subassembly 3 again, make articulate post 32 and second couple 24 break away from, remove the locking of first locking subassembly 3 to spacing subassembly 2, stretch into the angle bar from spacing subassembly 2 opening part, make first couple 12 and first limiting plate 21 articulate on the angle bar, third limiting plate 23 rotates to the horizontality thereupon, rotate first locking subassembly 3 and make second couple 24 articulate in articulate post 32, then rotate second locking subassembly 4 and make the draw-in groove card lock first locking subassembly 3 on connecting plate 33, the realization is to the installation of preventing falling the tower climbing device.

When the anti-falling tower climbing device is detached, an operator can be positioned at a position higher than the anti-falling tower climbing device, the operation driving part 53 moves towards a direction far away from the hanging main body 11, the connecting rope 61 pulls the handle part 42 and the connecting plate 33 to move towards a direction close to the handle part 112, the second locking component 4 releases the locking of the first locking component 3, the hanging column 32 is further separated from the second hook 24, the handle body 51 is pulled to lift the hanging main body 11, and the angle iron is separated from the angle iron, so that the anti-falling tower climbing device is detached.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a prevent falling tower climbing device which characterized in that includes:

a hitch assembly (1) configured to be able to be hung on angle iron of an iron tower;

the limiting component (2) is rotatably arranged on the hanging component (1) and can enclose a limiting space for limiting the angle iron with the hanging component (1);

the first locking component (3) is rotatably arranged on the hanging component (1), and the first locking component (3) can lock the limiting component (2) at a position which surrounds the limiting space in a rotating mode or release the locking of the limiting component (2);

a second locking assembly (4) rotatably disposed on the hitch assembly (1), the second locking assembly (4) configured to limit rotation of the first locking assembly (3).

2. Anti-falling tower climbing device according to claim 1, characterized in that the hooking component (1) comprises a hooking main body (11) and a first hook (12), the first hook (12) can be hooked on the horizontal side plate of the angle iron, one end of the first hook (12) is connected with the hooking main body (11), the other end is rotatably provided with the limiting component (2), and the first locking component (3) and the second locking component (4) are rotatably arranged on the hooking main body (11).

3. The anti-falling tower climbing device according to claim 2, characterized in that the limiting assembly (2) comprises a first limiting plate (21), a second limiting plate (22) and a third limiting plate (23) which are connected in sequence, one end of the first limiting plate (21) connected with the second limiting plate (22) is rotatably connected with one end of the first hook (12) which is not connected with the hooking main body (11), the first limiting plate (21) can be hooked on a horizontal side plate of the angle iron, and the first locking assembly (3) can lock one end of the third limiting plate (23) which is not connected with the second limiting plate (22).

4. Anti-falling tower climbing device according to claim 3, characterized in that the end of the third limiting plate (23) where it is hooked to the first locking assembly (3) is provided with a second hook (24), the second hook (24) being able to be hooked to the first locking assembly (3).

5. Anti-fall tower climbing device according to claim 4, characterized in that said first locking assembly (3) comprises:

the two groups of locking plates (31) are respectively rotatably arranged on two sides of the hanging main body (11), the locking plates (31) are divided into two sections, an included angle is formed between the two sections of locking plates (31), a hanging column (32) is arranged at one end of each locking plate (31), and the second hook (24) can be hung on the hanging column (32);

one end of the connecting plate (33) is connected with the other end of the locking plate (31), and the locking plate (31) can be rotated by rotating the connecting plate (33), so that the hooking column (32) is hooked with the second hook (24) or separated from the second hook (24).

6. Anti-fall tower climbing device according to claim 5, characterized in that said second locking assembly (4) comprises:

one end of the hinged plate (41) is rotatably connected with the hanging main body (11), the other end of the hinged plate is provided with a clamping groove, and the hinged plate (41) rotates to enable the clamping groove to be clamped into the connecting plate (33) so as to limit the movement of the hanging column (32);

and the handle part (42) is connected with one end, not provided with the clamping groove, of the hinged plate (41), and the hinged plate (41) can be rotated by rotating the handle part (42) so that the clamping groove is clamped into or avoided from the connecting plate (33).

7. The fall arrest pylon device of claim 6, further comprising:

handle subassembly (5), handle subassembly (5) with articulate main part (11) and link to each other, remove handle subassembly (5) can be right articulate subassembly (1) and carry out the position and shift.

8. Anti-fall tower climbing device according to claim 7, characterized in that said handle assembly (5) comprises:

the hanging handle comprises a handle body (51) and a connecting pipe (52), wherein one end of the connecting pipe (52) is connected with the handle body (51), and the other end of the connecting pipe is connected with the hanging main body (11).

9. The fall arrest pylon device of claim 8, further comprising:

drive assembly (6), drive assembly (6) are including connecting rope (61) and guide part (62), guide part (62) set up in connecting plate (33) with articulate the relative one side of main part (11), connect the one end of rope (61) with handle body (51) link to each other, the other end around establishing connect behind guide part (62) in handle portion (42).

10. The anti-falling tower climbing device according to claim 9, characterized in that the transmission assembly (6) further comprises a pulley block (63), the pulley block (63) is disposed in the hanging main body (11), a driving part (53) is movably disposed in the handle body (51), one end of the connecting rope (61) passes through the lumen of the connecting pipe (52) to be connected with the driving part (53), and the other end is connected with the handle part (42) after being wound around the pulley block (63) and the guiding part (62).

11. The anti-falling tower climbing device according to any one of claims 2 to 10, characterized in that the hanging main body (11) comprises a connecting part (111) and a handle part (112) for holding, one end of the connecting part (111) is connected with the first hook (12), the other end is connected with the handle part (112), the handle part (112) is provided with a rope hanging hole (1121), and the rope hanging hole (1121) is used for connecting a safety rope.