CN111934239A - Earth potential straight pole cross arm dismounting tool and using method thereof - Google Patents
Earth potential straight pole cross arm dismounting tool and using method thereof Download PDFInfo
- Publication number
- CN111934239A CN111934239A CN202010883460.9A CN202010883460A CN111934239A CN 111934239 A CN111934239 A CN 111934239A CN 202010883460 A CN202010883460 A CN 202010883460A CN 111934239 A CN111934239 A CN 111934239A
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- cross arm
- shaped
- ratchet wheel
- swallow
- wing
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention belongs to the technical field of electric power live-line maintenance equipment or tools, and particularly relates to a disassembling and assembling tool for a ground potential straight pole cross arm and a using method of the disassembling and assembling tool. The cross arm dismounting tool comprises a transverse swallow-wing-shaped bracket, a connecting rod arranged below the swallow-wing-shaped bracket in a transverse mode, two racks which are vertically arranged and connected to two end portions of the swallow-wing-shaped bracket and extend downwards, and ratchet wheel assemblies which are arranged at two ends of the connecting rod and are in engagement connection with the racks; the cross arm dismounting tool and the dismounting method solve the problems that the prior cross arm cannot be dismounted in an electrified way, and the operation process is complicated and low in efficiency.
Description
Technical Field
The invention belongs to the technical field of electric power live-line maintenance equipment or tools, and particularly relates to a disassembling and assembling tool for a ground potential straight pole cross arm and a using method of the disassembling and assembling tool.
Background
At present, the electric power cross arm still needs the manual work to carry out the dismouting maintenance, the process is loaded down with trivial details, consuming time and wasting force, when stepping on the pole operation, the operator is not convenient for exert oneself on the pole, and the motion space is little, and the cross arm generally is the metal material, and not only volume and quality are great, still need install a plurality of insulating vase on the cross arm one by one simultaneously, the existence of above-mentioned problem, be difficult to effectively guarantee its angular relation with the pole when leading to the cross arm installation, unable convenient and fast's the dismouting of realization insulator is changed.
Disclosure of Invention
The invention aims to provide a ground potential straight pole cross arm dismounting tool and a using method thereof, wherein the speed of cross arm replacement can be improved, the time and labor consumption of operation can be reduced, and the working efficiency can be improved.
In order to achieve the purpose, the invention adopts the following technical scheme.
A disassembling and assembling tool for a ground potential straight pole cross arm comprises a transverse swallow-wing-shaped bracket 1, a connecting rod 7 transversely arranged below the swallow-wing-shaped bracket 1, two racks 5 vertically arranged and connected to two end parts of the swallow-wing-shaped bracket 1 and extending downwards, and ratchet wheel assemblies 6 arranged at two ends of the connecting rod 7 and connected with the racks 5 in a meshing manner;
the swallow-wing-shaped bracket 1 comprises horizontal rods 1a at two ends and a U-shaped rod 1b between the horizontal rods 1a at two ends, a cross bar at the bottom of the U-shaped rod 1b is provided with an upper strip-shaped hole 1c, a first U-shaped double-threaded screw 8a is inserted into the upper strip-shaped hole 1c, the U-shaped part of the first U-shaped double-threaded screw 8a is positioned at the rear side, and a screw head is positioned at the front side and is sleeved with a first locking nut 9 b;
the front sides of the two horizontal rods 1a are provided with correction lugs 3, and correction grooves 3a are arranged between the correction lugs 3 and the horizontal rods 1 a;
the rack 5 is vertically arranged, the upper end of the rack is connected to the horizontal rod 1a, and the tooth surface of the rack faces forwards;
the connecting rod 7 is of a horizontal rod-shaped structure, a lower strip-shaped hole 7c is formed in the middle of the connecting rod, a second U-shaped double-threaded screw 8b is inserted into the lower strip-shaped hole 7c, the U-shaped part of the second U-shaped double-threaded screw 8b is located on the rear side, and a screw head is located on the front side and is sleeved with a second locking nut 9 b;
the ratchet assembly 6 comprises: the ratchet wheel box 6a is sleeved at the lower end of the rack 5, the ratchet wheel 6c is rotatably arranged in the ratchet wheel box 6a and meshed with the rack 5, the ratchet wheel shaft 6d is used for fixing the ratchet wheel 6c, the locking pawl 6b is arranged in the ratchet wheel box 6a in a swinging mode, the operating handle 6e is connected into the ratchet wheel box 6a through the ratchet wheel shaft 6d, the driving pawl 6f is arranged in the middle of the operating handle 6e, the locking spring is arranged between the locking pawl 6b and the ratchet wheel box 6a, and the return spring is arranged between the driving pawl 6f and the operating handle 6 e.
And reinforcing ribs 11 are arranged at the connecting parts of the horizontal rods 1a and the U-shaped rods 1b and the connecting parts of the transverse edges and the vertical edges of the U-shaped rods 1 b.
The ground potential straight pole cross arm dismounting tool is further improved and optimized, a plurality of mounting holes 1e used for supporting insulating porcelain bottles are formed in the horizontal pole 1a, the mounting holes 1e are vertically arranged, and the positions and the intervals of the mounting holes 1e correspond to the positions and the intervals of the insulator mounting holes in the cross arm.
The ground potential straight pole cross arm dismounting tool is further improved and optimized, and the ratchet wheel box 6a and the connecting rod 7 are integrally arranged; the first U-shaped double-threaded screw 8a on the swallow-wing-shaped bracket 1 is just opposite to the second U-shaped double-threaded screw 8b on the connecting rod 7, and the diameter of the U-shaped part of the first U-shaped double-threaded screw 8a and the diameter of the U-shaped part of the second U-shaped double-threaded screw 8b are not smaller than the diameter of the electric pole.
The application also provides a method for using the earth potential straight pole cross arm dismounting tool, which comprises the following steps: determining the installation height of the cross arm, fixedly installing the fixed part of the ground potential straight pole cross arm dismounting tool on the electric pole by using a second U-shaped double-headed screw, movably installing the movable part of the tool on the electric pole opposite to the original cross arm by using a first U-shaped double-headed screw, placing the configured new cross arm on the swallow-wing-shaped bracket, after the new cross arm is horizontally arranged on the swallow-wing-shaped bracket, the operating handle is shaken, the swallow-wing-shaped bracket and the new cross arm are driven to rise through the rack ratchet wheel, after an insulating porcelain bottle on the new cross arm is contacted with a conducting wire, the conducting wire and the insulating porcelain bottle are bound, a fixed U-shaped double-headed screw of the original cross arm is removed, the U-shaped double-headed screw of the new cross arm is installed again, the new cross arm is fixed on an electric pole, the diagonal iron of the original cross arm and the binding wire of the insulating porcelain bottle are removed, the old cross arm is removed, the diagonal iron of the new cross arm is installed, the tool is removed, and the cross arm replacing work is completed.
The beneficial effects are that:
the tool for disassembling and assembling the ground potential straight pole cross arm solves the problems that the cross arm cannot be disassembled and assembled in an electrified mode in the prior art, the operation process is complicated, and the efficiency is low.
Drawings
Fig. 1 is a front view of a ground potential straight pole cross arm disassembly and assembly tool;
fig. 2 is a side view of a ground potential straight pole cross arm disassembly and assembly tool;
fig. 3 is a top view of the ground potential straight pole cross arm disassembly and assembly tool;
fig. 4 is a schematic structural view of a ground potential linear rod cross arm assembly and disassembly tool ratchet assembly.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The utility model provides a ground potential straight line pole cross arm assembly and disassembly tools, mainly used electric wire netting cross arm dismouting change, including the cross arm itself and a plurality of insulating vase on the cross arm;
as shown in fig. 1 and 2, the basic structure of the device includes: the ratchet wheel assembly comprises a transverse swallow-wing-shaped bracket 1, a connecting rod 7 transversely arranged below the swallow-wing-shaped bracket 1, two racks 5 vertically arranged and connected to two end parts of the swallow-wing-shaped bracket 1 and extending downwards, and ratchet wheel assemblies 6 arranged at two ends of the connecting rod 7 and connected with the racks 5 in a meshing manner;
the swallow-wing-shaped bracket 1 comprises horizontal rods 1a at two ends and a U-shaped rod 1b between the horizontal rods 1a at two ends, a cross bar at the bottom of the U-shaped rod 1b is provided with an upper strip-shaped hole 1c, a first U-shaped double-threaded screw 8a is inserted into the upper strip-shaped hole 1c, the U-shaped part of the first U-shaped double-threaded screw 8a is positioned at the rear side, and a screw head is positioned at the front side and is sleeved with a first locking nut 9 b;
the front sides of the two horizontal rods 1a are provided with correction lugs 3, and correction grooves 3a are arranged between the correction lugs 3 and the horizontal rods 1 a;
the rack 5 is vertically arranged, the upper end of the rack is connected to the horizontal rod 1a, and the tooth surface of the rack faces forwards;
the connecting rod 7 is of a horizontal rod-shaped structure, a lower strip-shaped hole 7c is formed in the middle of the connecting rod, a second U-shaped double-threaded screw 8b is inserted into the lower strip-shaped hole 7c, the U-shaped part of the second U-shaped double-threaded screw 8b is located on the rear side, and a screw head is located on the front side and is sleeved with a second locking nut 9 b;
the ratchet assembly 6 comprises: the ratchet wheel box 6a is sleeved at the lower end of the rack 5, the ratchet wheel 6c is rotatably arranged in the ratchet wheel box 6a and meshed with the rack 5, the ratchet wheel shaft 6d is used for fixing the ratchet wheel 6c, the locking pawl 6b is arranged in the ratchet wheel box 6a in a swinging mode, the operating handle 6e is connected into the ratchet wheel box 6a through the ratchet wheel shaft 6d, the driving pawl 6f is arranged in the middle of the operating handle 6e, the locking spring is arranged between the locking pawl 6b and the ratchet wheel box 6a, and the return spring is arranged between the driving pawl 6f and the operating handle 6 e. In this embodiment, the ratchet case 6a and the connecting rod 7 are integrally provided; the first U-shaped double-threaded screw 8a on the swallow-wing-shaped bracket 1 is just opposite to the second U-shaped double-threaded screw 8b on the connecting rod 7, and the diameter of the U-shaped part of the first U-shaped double-threaded screw 8a and the diameter of the U-shaped part of the second U-shaped double-threaded screw 8b are not smaller than the diameter of the electric pole.
Reinforcing ribs 11 are arranged at the connecting parts of the horizontal rod 1a and the U-shaped rod 1b and the connecting parts of the horizontal edge and the vertical edge of the U-shaped rod 1 b. The horizontal rod 1a is provided with a plurality of mounting holes 1e used for supporting the insulating porcelain bottles, the mounting holes 1e are vertically arranged, and the positions and the intervals of the mounting holes 1e correspond to the positions and the intervals of the insulator mounting holes on the cross arm.
Based on the structure, the operating handle is shaken in a reciprocating mode, the rack moves upwards to finally drive the swallow-wing-shaped bracket, the moving part is integrally lifted, the operating handle is pushed upwards to the limit position, the locking pawl is extruded by the driving pawl and then separated from the ratchet wheel, locking is stopped, and the rack drives the moving part to freely descend under the action of gravity.
After the tool is assembled, the installation height is determined according to construction requirements, a fixed part of the tool is fixedly installed on an electric pole by using a second U-shaped double-headed screw, a movable part of the tool is movably installed on the electric pole opposite to an original cross arm by using a first U-shaped double-headed screw, a configured new cross arm is placed on a swallow-wing-shaped bracket, the operation handle is operated in a reciprocating mode after the new cross arm is horizontally placed on the swallow-wing-shaped bracket, the movable part drives the new cross arm to rise, after a supporting upright bottle on the new cross arm is contacted with a conducting wire, the conducting wire is bound with the supporting upright bottle, the fixed U of the original cross arm is removed, a U-shaped ring of the new cross arm is installed, the new cross arm is fixed on the electric pole, a diagonal iron of the original cross arm and a binding wire of the supporting upright bottle are removed, the old cross arm is removed, the diagonal iron of the new cross arm is installed, the tool is removed, and the cross arm replacement work is completed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A transverse arm dismounting tool for a ground potential straight rod is characterized by comprising a transverse swallow-wing-shaped bracket (1), a connecting rod (7) transversely arranged below the swallow-wing-shaped bracket (1), two racks (5) vertically arranged and connected to two end parts of the swallow-wing-shaped bracket (1) and extending downwards, and ratchet wheel assemblies (6) arranged at two ends of the connecting rod (7) and connected with the racks (5) in a meshing manner;
the swallow-wing-shaped bracket (1) comprises horizontal rods (1a) at two ends and a U-shaped rod (1b) between the horizontal rods (1a) at the two ends, a cross rod at the bottom of the U-shaped rod (1b) is provided with a strip-shaped hole (1c), a first U-shaped double-thread screw (8a) is inserted into the strip-shaped hole (1c), the U-shaped part of the first U-shaped double-thread screw (8a) is positioned at the rear side, the head of the screw is positioned at the front side and is sleeved with a first locking nut (9 b); the front sides of the two horizontal rods (1a) are provided with correction ears (3), and correction grooves (3a) are arranged between the correction ears (3) and the horizontal rods (1 a);
the rack (5) is vertically arranged, the upper end of the rack is connected to the horizontal rod (1a), and the tooth surface of the rack faces forwards; the connecting rod (7) is of a horizontal rod-shaped structure, a lower strip-shaped hole (7c) is formed in the middle of the connecting rod, a second U-shaped double-threaded screw (8b) is inserted into the lower strip-shaped hole (7c), the U-shaped part of the second U-shaped double-threaded screw (8b) is located on the rear side, and a screw head is located on the front side and is sleeved with a second locking nut (9 b);
the ratchet assembly (6) comprises: the ratchet wheel box (6a) is sleeved at the lower end of the rack (5), the ratchet wheel (6c) is rotatably arranged in the ratchet wheel box (6a) and meshed with the rack (5), the ratchet wheel shaft (6d) is used for fixing the ratchet wheel (6c), the locking pawl (6b) is arranged on the upper side of the ratchet wheel box (6a) in a swinging mode, the operating handle (6e) is connected into the ratchet wheel box (6a) through the ratchet wheel shaft (6d), the driving pawl (6f) is arranged in the middle of the operating handle (6e), the locking spring is arranged between the locking pawl (6b) and the ratchet wheel box (6a), and the reset spring is arranged between the driving pawl (6f) and the operating handle (6 e).
2. The earth potential straight pole cross arm dismounting tool is characterized in that reinforcing ribs (11) are arranged at the connecting parts of the horizontal pole (1a) and the U-shaped pole (1b) and the connecting parts of the horizontal side and the vertical side of the U-shaped pole (1 b).
3. The earth potential straight pole cross arm dismounting tool is characterized in that a plurality of mounting holes (1e) used for supporting insulator insulators are formed in the horizontal pole (1a), the mounting holes (1e) are vertically arranged, and the positions and the intervals of the mounting holes (1e) correspond to the positions and the intervals of the insulator mounting holes in the cross arm.
4. The earth potential straight pole cross arm dismounting tool according to claim 1, characterized in that the ratchet wheel box (6a) is provided integrally with a connecting rod (7); the first U-shaped double-threaded screw (8a) on the swallow-wing-shaped bracket (1) is opposite to the second U-shaped double-threaded screw (8b) on the connecting rod (7), and the diameters of the U-shaped parts of the first U-shaped double-threaded screw (8a) and the second U-shaped double-threaded screw (8b) are not smaller than the diameter of the electric pole.
5. The earth potential straight-line pole cross arm dismounting tool is characterized in that the locking spring is used for extruding the locking pawl (6b) to clamp the ratchet wheel (6c), the return spring (6f) is used for extruding the driving pawl (6f) to clamp the ratchet wheel (6c), the two pawls can respectively control the forward and reverse rotation of the gear, the driving ratchet wheel (6f) drives the rack to move upwards, and the operating handle (6e) swings upwards and then can extrude the locking ratchet wheel (6b) to be separated from the ratchet wheel (6 c).
6. The use method of the earth potential straight pole cross arm dismounting tool is characterized by comprising the following steps: determining the installation height of the cross arm, fixedly installing the fixed part of the ground potential straight pole cross arm dismounting tool on the electric pole by using a second U-shaped double-headed screw, movably installing the movable part of the tool on the electric pole opposite to the original cross arm by using a first U-shaped double-headed screw, placing the configured new cross arm on the swallow-wing-shaped bracket, after the new cross arm is horizontally arranged on the swallow-wing-shaped bracket, the operating handle is shaken, the swallow-wing-shaped bracket and the new cross arm are driven to rise through the rack ratchet wheel, after an insulating porcelain bottle on the new cross arm is contacted with a conducting wire, the conducting wire and the insulating porcelain bottle are bound, a fixed U-shaped double-headed screw of the original cross arm is removed, the U-shaped double-headed screw of the new cross arm is installed again, the new cross arm is fixed on an electric pole, the diagonal iron of the original cross arm and the binding wire of the insulating porcelain bottle are removed, the old cross arm is removed, the diagonal iron of the new cross arm is installed, the tool is removed, and the cross arm replacing work is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883460.9A CN111934239A (en) | 2020-08-28 | 2020-08-28 | Earth potential straight pole cross arm dismounting tool and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010883460.9A CN111934239A (en) | 2020-08-28 | 2020-08-28 | Earth potential straight pole cross arm dismounting tool and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111934239A true CN111934239A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010883460.9A Pending CN111934239A (en) | 2020-08-28 | 2020-08-28 | Earth potential straight pole cross arm dismounting tool and using method thereof |
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| Country | Link |
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| CN (1) | CN111934239A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381338A (en) * | 2021-05-25 | 2021-09-10 | 国家电网有限公司 | Portable handheld device for debugging network equipment of power system |
-
2020
- 2020-08-28 CN CN202010883460.9A patent/CN111934239A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381338A (en) * | 2021-05-25 | 2021-09-10 | 国家电网有限公司 | Portable handheld device for debugging network equipment of power system |
| CN113381338B (en) * | 2021-05-25 | 2023-10-27 | 国家电网有限公司 | Portable handheld device for debugging network equipment of power system |
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