CN218507508U - Folding arm type wire lifting device - Google Patents
Folding arm type wire lifting device Download PDFInfo
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- CN218507508U CN218507508U CN202222995147.1U CN202222995147U CN218507508U CN 218507508 U CN218507508 U CN 218507508U CN 202222995147 U CN202222995147 U CN 202222995147U CN 218507508 U CN218507508 U CN 218507508U
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Abstract
The utility model provides a folding arm formula wire hoisting device which characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom, a wire lifting rod, an insulating crane hook, a first hole, a second hole, a third hole and a crane boom supporting mechanism; wherein: the insulation crane boom is used as a supporting point of the insulation crane boom, the insulation crane boom is provided with a crane boom supporting mechanism and can be fixed on the transverse clamping device, and three connecting holes with the distance of 50mm are arranged above the suspension wire rod and respectively comprise a hole I, a hole II and a hole III; the insulation suspension wire hook is a connecting part for hooking a conducting wire and is arranged at the lower end of the suspension wire rod, and the minimum inner diameter of a hook opening is 30mm. The utility model has the advantages that: the operation during the jack-up is more laborsaving, and the pulling force point during the jack-up is operated in the position of keeping away from wire horizontal distance 1.8m, increases the operation safe distance, makes electrified maintainer on the tower and the distance assurance control of electrified body more than the distance of requirement.
Description
Technical Field
The utility model relates to an electrified operation instrument field, in particular to roll over arm-type wire hoisting device.
Background
The operation of replacing a linear insulator string of a 66-kilovolt transmission line in an electrified way is a basic operation item developed in the operation of the electrified operation, because the clearance distance between an electrified lead of 66-kilovolt transmission equipment and a tower grounding part is small, the distance between the traditional 2-3 trolley group tool and an electrified body during the installation operation is 0.5-0.8m, and the safety distance between a 66-kilovolt live-line operation ground potential operator and the electrified body is not less than 0.7m specified in the electric power safety work regulation, the operation can not completely ensure the safety distance requirement between the operator and the electrified body. Therefore, the requirement of the working safety distance of the live working is met by researching a new live working maintenance tool. The originally adopted maintenance method comprises the following steps: an insulated pulley train process. The applied maintenance tools are: 2-3 tackle blocks and insulating ropes. There are problems in that: in the process of installing the pulley block, the distance between a human body and an electrified body is within the space range of 0.5-0.8m, the whole distance is difficult to be controlled to be more than 0.7m required by the electric power safety working regulation, and the occurrence of an electric accident is easy to cause and the injury to operators.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing one kind can effective control and electrified position safe distance to the wire lifting means of installation operation, this instrument satisfies 66 kilovolt circuit tangent tower wire jack-up requirements, and a special arm-folding type wire hoisting device that provides.
The utility model provides a roll over arm-type wire hoisting device, its characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom 2, a suspension wire rod 3, an insulating suspension wire hook 4, a first hole 5, a second hole 6, a third hole 7 and a crane boom supporting mechanism 8;
wherein: the insulating crane boom 2 is used as a supporting point of the insulating crane boom, a crane boom supporting mechanism 8 is arranged at the position of one tenth of the distance between the crane boom and a connecting point of a front-end crane boom plate, the insulating crane boom 2 can be fixed on the transverse clamping device 1, the function of the insulating crane boom is to adjust a hoisting point to a position far away from a live wire to a position beyond safety from the right above the wire, and the lever principle is utilized to realize a labor-saving operation target; the wire hanging rod 3 is an important force bearing tool for hanging a lead, and three connecting holes with the distance of 50mm are arranged above the wire hanging rod 3 and respectively comprise a first hole 5, a second hole 6 and a third hole 7; according to the difference of the lengths of the insulator strings, the vertical adjustment can be carried out, so that the crane boom is kept in a horizontal state, the pulling force angle during hoisting is ensured to be close to 90 degrees, and the pulling force used during the wire hoisting is minimized; the insulated wire hook 4 is a connecting part for hooking a wire and is arranged at the lower end of the wire hanging rod 3, the minimum inner diameter of a hook opening is 30mm, the hooking requirement of the LGJ-240 steel-cored aluminum stranded wire is met, and the wire hanging hook basically covers all wire type requirements of 66 kilovolts. The four main components form a structural main body of the folding arm type wire lifting device.
The front end of the insulated crane boom 2 is provided with a pulley.
The insulated crane boom 2 is of a truss structure.
The wire hanging rod 3 is a long strip-shaped piece.
The insulating suspension wire hook 4 is provided with an anti-drop elastic separation blade.
The wire hanging rod 3 is of a telescopic structure.
The utility model has the advantages that:
the folding arm type wire lifting device of the utility model has the advantages that the installation position of the transverse clamping device can increase the distance between an operator and a charged part by 0.2m on the basis of the original operation method; the insulating crane boom has the advantages that the operation is more labor-saving during hoisting, and secondly, the pulling force point is operated at a position which is far away from the horizontal distance of 1.8m of the wire during hoisting, so that the operation safety distance is increased, and the distance between a live overhaul worker on the tower and a live body is guaranteed to be controlled to be more than the distance required by the electric power safety work rules. The design goal is realized, and the problem that the safety distance of more than 0.7m cannot be ensured in the original operation method is solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is a schematic structural diagram of a folding arm type wire lifting device.
Detailed Description
Example 1
The utility model provides a folding arm formula wire hoisting device which characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom 2, a suspension wire rod 3, an insulating suspension wire hook 4, a first hole 5, a second hole 6, a third hole 7 and a crane boom supporting mechanism 8;
wherein: the insulating crane boom 2 is used as a supporting point of the insulating crane boom, a crane boom supporting mechanism 8 is arranged at the position of the crane boom 2, which is one tenth of the distance from a front-end crane boom connecting point, and the insulating crane boom can be fixed on the transverse clamping device 1, and has the function of adjusting the lifting point to a position far away from a live wire to a position beyond safety from the right above the wire, and the lever principle is utilized to realize a labor-saving operation target; the wire hanging rod 3 is an important force bearing tool for hanging a lead, and three connecting holes with the distance of 50mm are arranged above the wire hanging rod 3 and respectively comprise a first hole 5, a second hole 6 and a third hole 7; according to the difference of the lengths of the insulator strings, the vertical adjustment can be carried out, so that the crane boom is kept in a horizontal state, the pulling force angle during hoisting is ensured to be close to 90 degrees, and the pulling force used during the wire hoisting is minimized; the insulated wire hanging hook 4 is a connecting part for hanging wires and is arranged at the lower end of the wire hanging rod 3, the minimum inner diameter of a hook opening is 30mm, the hanging requirement of the LGJ-240 steel-cored aluminum stranded wire is met, and the wire hanging hook basically covers all wire type requirements of 66 kilovolts. The four main components form a structural main body of the folding arm type wire lifting device.
The front end of the insulated crane boom 2 is provided with a pulley.
The insulated crane boom 2 is of a truss structure.
The wire hanging rod 3 is a long strip-shaped piece.
The wire hanging rod 3 is of a telescopic structure.
The insulating suspension wire hook 4 is provided with an anti-drop elastic separation blade.
The insulating folding arm type lead lifting device is characterized in that four parts of main components are sequentially connected on the ground according to the connection sequence, and firstly, an insulating suspension wire hook 4 is arranged on a connection hole at the lower part of a suspension wire rod 3; secondly, connecting a first connecting hole at the upper end of the wire lifting rod 3 with a connecting hole at the front end of the insulating crane boom 2; thirdly, the transverse clamping device 1 is arranged at a supporting point connecting hole 200mm away from the front end connecting hole of the insulating crane boom 2 to complete the assembly of the ground tool; fourthly, the device is integrally transmitted to the tower, and the whole device is installed on a cross arm of a lead to be replaced through a transverse clamping device.
Example 2
The utility model provides a folding arm formula wire hoisting device which characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom 2, a suspension wire rod 3, an insulating suspension wire hook 4, a first hole 5, a second hole 6, a third hole 7 and a crane boom supporting mechanism 8;
wherein: the insulating crane boom 2 is used as a supporting point of the insulating crane boom, a crane boom supporting mechanism 8 is arranged at the position of the crane boom 2, which is one tenth of the distance from a front-end crane boom connecting point, and the insulating crane boom can be fixed on the transverse clamping device 1, and has the function of adjusting the lifting point to a position far away from a live wire to a position beyond safety from the right above the wire, and the lever principle is utilized to realize a labor-saving operation target; the wire hanging rod 3 is an important force bearing tool for hanging a lead, and three connecting holes with the distance of 50mm are arranged above the wire hanging rod 3 and respectively comprise a first hole 5, a second hole 6 and a third hole 7; according to the difference of the lengths of the insulator strings, the vertical adjustment can be carried out, so that the crane boom is kept in a horizontal state, the pulling force angle during hoisting is ensured to be close to 90 degrees, and the pulling force used during the wire hoisting is minimized; the insulated wire hanging hook 4 is a connecting part for hanging wires and is arranged at the lower end of the wire hanging rod 3, the minimum inner diameter of a hook opening is 30mm, the hanging requirement of the LGJ-240 steel-cored aluminum stranded wire is met, and the wire hanging hook basically covers all wire type requirements of 66 kilovolts. The four main components form a structural main body of the folding arm type wire lifting device.
The insulating folding arm type lead lifting device is characterized in that four parts of main components are sequentially connected on the ground according to the connection sequence, and firstly, an insulating suspension wire hook 4 is arranged on a connection hole at the lower part of a suspension wire rod 3; secondly, connecting a second connecting hole at the upper end of the wire lifting rod 3 with a connecting hole at the front end of the insulating crane boom 2; thirdly, the transverse clamping device 1 is arranged at a supporting point connecting hole 200mm away from the front end connecting hole of the insulating crane boom 2 to complete the assembly of the ground tool; fourthly, the device is integrally transmitted to the tower, and the whole device is installed on a cross arm of a wire to be replaced through the transverse clamping device.
Example 3
The utility model provides a roll over arm-type wire hoisting device which characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom 2, a suspension wire rod 3, an insulating suspension wire hook 4, a first hole 5, a second hole 6, a third hole 7 and a crane boom supporting mechanism 8;
wherein: the insulating crane boom 2 is used as a supporting point of the insulating crane boom, a crane boom supporting mechanism 8 is arranged at the position of one tenth of the distance between the crane boom and a connecting point of a front-end crane boom plate, the insulating crane boom 2 can be fixed on the transverse clamping device 1, the function of the insulating crane boom is to adjust a hoisting point to a position far away from a live wire to a position beyond safety from the right above the wire, and the lever principle is utilized to realize a labor-saving operation target; the wire hanging rod 3 is an important force bearing tool for hanging the wire, and three connecting holes with the spacing of 50mm are arranged above the wire hanging rod 3 and respectively comprise a first hole 5, a second hole 6 and a third hole 7; according to the difference of the lengths of the insulator strings, the vertical adjustment can be carried out, so that the crane boom is kept in a horizontal state, the pulling force angle during hoisting is ensured to be close to 90 degrees, and the pulling force used during the wire hoisting is minimized; the insulated wire hanging hook 4 is a connecting part for hanging wires and is arranged at the lower end of the wire hanging rod 3, the minimum inner diameter of a hook opening is 30mm, the hanging requirement of the LGJ-240 steel-cored aluminum stranded wire is met, and the wire hanging hook basically covers all wire type requirements of 66 kilovolts. The four main components form a structural main body of the folding arm type wire lifting device.
The front end of the insulated crane boom 2 is provided with a pulley.
The insulated crane boom 2 is of a truss structure.
The insulating folding arm type lead lifting device is characterized in that four parts of main components are sequentially connected on the ground according to the connection sequence, and firstly, an insulating suspension wire hook 4 is arranged on a connection hole at the lower part of a suspension wire rod 3; secondly, connecting a third connecting hole at the upper end of the wire lifting rod 3 with a connecting hole at the front end of the insulating crane boom 2; thirdly, the transverse clamping device 1 is arranged at a supporting point connecting hole 200mm away from the front end connecting hole of the insulated crane boom 2 to complete the assembly of ground tools; fourthly, the device is integrally transmitted to the tower, and the whole device is installed on a cross arm of a wire to be replaced through the transverse clamping device.
Example 4
The utility model provides a folding arm formula wire hoisting device which characterized in that: the device comprises a transverse clamping device 1, an insulating crane boom 2, a suspension wire rod 3, an insulating suspension wire hook 4, a first hole 5, a second hole 6, a third hole 7 and a crane boom supporting mechanism 8;
wherein: the insulating crane boom 2 is used as a supporting point of the insulating crane boom, a crane boom supporting mechanism 8 is arranged at the position of the crane boom 2, which is one tenth of the distance from a front-end crane boom connecting point, and the insulating crane boom can be fixed on the transverse clamping device 1, and has the function of adjusting the lifting point to a position far away from a live wire to a position beyond safety from the right above the wire, and the lever principle is utilized to realize a labor-saving operation target; the wire hanging rod 3 is an important force bearing tool for hanging the wire, and three connecting holes with the spacing of 50mm are arranged above the wire hanging rod 3 and respectively comprise a first hole 5, a second hole 6 and a third hole 7; according to the difference of the lengths of the insulator strings, the vertical adjustment can be carried out, so that the crane boom is kept in a horizontal state, the pulling force angle during hoisting is ensured to be close to 90 degrees, and the pulling force used during the wire hoisting is minimized; the insulated wire hanging hook 4 is a connecting part for hanging wires and is arranged at the lower end of the wire hanging rod 3, the minimum inner diameter of a hook opening is 30mm, the hanging requirement of the LGJ-240 steel-cored aluminum stranded wire is met, and the wire hanging hook basically covers all wire type requirements of 66 kilovolts. The four main components form a structural main body of the folding arm type wire lifting device.
The wire hanging rod 3 is a long strip-shaped piece.
The insulating suspension wire hook 4 is provided with an anti-drop elastic retaining sheet.
The insulating folding arm type wire lifting device is characterized in that three main parts of an insulating crane boom 2, a suspension wire rod 3 and an insulating suspension wire hook 4 are sequentially connected on the ground according to a connection sequence, and firstly, the insulating suspension wire hook 4 is arranged on a connection hole at the lower part of the suspension wire rod 3; secondly, connecting a first connecting hole at the upper end of the wire lifting rod 3 with a connecting hole at the front end of the insulating crane boom 2; thirdly, independently transferring the transverse clamping device 1 to a wire cross arm to be replaced on the tower, and mounting and fixing the wire cross arm; fourthly, the assembly of the insulated crane boom 2, the suspension wire rod 3 and the insulated suspension wire hook 4 which are assembled on the ground is transferred to the tower, and a supporting point connecting hole 200mm away from the front end connecting hole of the insulated crane boom 2 is connected with the transverse clamping device 1 to complete the assembly.
In the above embodiment, when the transverse card installing device is installed, the distance between an operator and a charged body is increased by more than 0.2m compared with the distance between the operator and the charged body when a 2-3 pulley block is used, namely the distance during operation is 0.7-1.0m, the safety distance can be controlled, and the requirement of more than 0.7m of the safety distance between a 66 KV charged-work ground potential operator and the charged body in the electric power safety work rules is met. For the field of live-line work maintenance of power transmission lines, the construction mode is improved, the working safety distance is increased, the safety distance can be controlled during live-line work, and the working requirements of electric power safety working rules are met. The utility model is a well-known technology.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a folding arm formula wire hoisting device which characterized in that: the device comprises a transverse clamping device (1), an insulating crane boom (2), a crane wire rod (3), an insulating crane wire hook (4), a first hole (5), a second hole (6), a third hole (7) and a crane boom supporting mechanism (8);
wherein: the insulation crane boom (2) is used as a supporting point of the insulation crane boom, a crane boom supporting mechanism (8) is arranged at the position, one tenth of the distance from the crane boom to a front-end crane wire board connecting point, of the insulation crane boom (2) and can be fixed on the transverse clamping device (1), three connecting holes with the distance of 50mm are formed above the crane boom (3), and the three connecting holes are respectively a hole I (5), a hole II (6) and a hole III (7); the insulated wire hook (4) is a connecting part for hooking a wire and is arranged at the lower end of the wire hanging rod (3), and the minimum inner diameter of a hook opening is 30mm.
2. The knuckle boom wire lift of claim 1, wherein: the front end of the insulated crane boom (2) is provided with a pulley; the insulating crane boom (2) is of a truss structure; the wire hanging rod (3) is a long strip-shaped piece.
3. The folding arm wire lifting device of claim 1, wherein: the wire hanging rod (3) is of a telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222995147.1U CN218507508U (en) | 2022-11-10 | 2022-11-10 | Folding arm type wire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222995147.1U CN218507508U (en) | 2022-11-10 | 2022-11-10 | Folding arm type wire lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218507508U true CN218507508U (en) | 2023-02-21 |
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ID=85220006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222995147.1U Active CN218507508U (en) | 2022-11-10 | 2022-11-10 | Folding arm type wire lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218507508U (en) |
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2022
- 2022-11-10 CN CN202222995147.1U patent/CN218507508U/en active Active
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