CN107160325B - Device and method for picking R-shaped spring pin in electrified manner - Google Patents
Device and method for picking R-shaped spring pin in electrified manner Download PDFInfo
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- CN107160325B CN107160325B CN201710432554.2A CN201710432554A CN107160325B CN 107160325 B CN107160325 B CN 107160325B CN 201710432554 A CN201710432554 A CN 201710432554A CN 107160325 B CN107160325 B CN 107160325B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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Abstract
The invention relates to a device and a method for picking an R-shaped spring pin in an electrified way, wherein a pin pulling device consists of a supporting rod, a screw rod, a pin pulling hook and a ratchet pawl mechanism; one end of the supporting rod is provided with a bowl supporting device, and the other end of the supporting rod is connected with the first insulating operating rod; a nut is sleeved on the screw rod, one side of the nut is provided with a pin pulling hook, and the other side of the nut is connected with the support rod in a sliding manner; the screw is provided with a connecting frame, a ratchet and pawl mechanism is arranged on the connecting frame, wherein the ratchet is connected with the screw for transmission, and the pawl is connected with the second insulating operating rod in a matched manner through a rotary pull rod and a pull ring; under the pulling of the insulating operating rod II, the pawl pulls the ratchet wheel to drive the screw rod to intermittently rotate, and the nut drives the pin pulling hook to move along the screw rod to one side of the connecting frame. According to the invention, 2 insulating operation rods are adopted to perform the cooperation action with the pin pulling device, so that the live pulling operation of the R-shaped spring pin can be conveniently and rapidly completed by a single operator, the operation difficulty is reduced, and the operation efficiency and the operation safety are improved.
Description
Technical Field
The invention relates to the technical field of live overhaul of power transmission lines, in particular to a device and a method for picking R-shaped spring pins in a live mode.
Background
In the live overhaul operation process of the power transmission line, due to lightning stroke, natural loss, insulator quality problems and the like, the insulator is deteriorated, a deteriorated single-chip insulator needs to be replaced by a ground potential under the condition that power supply is not affected, and an R-shaped spring pin on the single-chip insulator needs to be pulled out when the single-chip insulator is replaced; the R-shaped spring pin is made of steel, has high strength, can be pulled out of the insulator steel cap with great force after being locked, and can be pulled out only along the horizontal direction perpendicular to the axis of the insulator string, and no supporting point exists in the pulling process, so that the R-shaped spring pin is difficult to be pulled out by adopting a conventional insulating operating rod.
Disclosure of Invention
The invention provides a device and a method for picking an R-shaped spring pin in a live-line way, which adopt 2 insulating operation rods to perform the cooperation action with a pin pulling device, so that the live-line pulling operation of the R-shaped spring pin can be conveniently and rapidly completed by a single operator, the operation difficulty is reduced, and the operation efficiency and the operation safety are improved.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a device for picking an R-shaped spring pin in an electrified manner comprises a pin pulling device, an insulating operation rod I and an insulating operation rod II; the pin pulling device consists of a supporting rod, a screw rod, a pin pulling hook and a ratchet and pawl mechanism; one end of the supporting rod is provided with a bowl supporting device, and the other end of the supporting rod is detachably connected with the first insulating operating rod; the screw rod is arranged in parallel with the support rod, a matched nut is sleeved on the screw rod, a pin pulling hook is arranged on one side of the nut, and the other side of the nut is connected with the support rod in a sliding manner through a sliding sleeve; the end of the screw far away from the pin pulling hook is provided with a connecting frame, the bottom of the connecting frame is fixedly connected with the supporting rod, the connecting frame is provided with a ratchet and pawl mechanism, the ratchet is connected with the screw for transmission, and the pawl is connected with the insulating operation rod II in a matched manner through the rotary pull rod and the pull ring; under the pulling of the insulating operating rod II, the pawl pulls the ratchet wheel to drive the screw rod to intermittently rotate, and the nut drives the pin pulling hook to move along the screw rod to one side of the connecting frame.
The upper part of the connecting frame is of a U-shaped structure, a rotary pull rod is arranged at the opening part, the rotary pull rod and 2 side plates of the U-shaped structure are sleeved on the screw rod, and one side of the rotary pull rod is outwards extended to be connected with the pull ring; the ratchet wheel is connected with the screw rod by a key, and the pawl is fixed in the rotary pull rod by a spring and a spring ejector rod.
And the operation end of the second insulating operation rod is provided with a draw hook which is connected with the pull ring in a matching way.
A method for picking an R-shaped spring pin based on the electrification of the device, comprising the following steps:
1) After the pin pulling device is assembled, the pin pulling device is moved to the vicinity of the target insulator through the first insulating operation rod, and the pin pulling hook is hooked on the R-shaped spring pin to be extracted;
2) The pull ring in the pin pulling device is hooked by the pull hook on the second insulating operating rod, the second insulating operating rod is pulled back and forth, the pull ring drives the rotating pull rod to rotate around the center of the screw rod, the pawl is enabled to pull the ratchet wheel in one direction, and the ratchet wheel drives the screw rod to rotate, so that the nut drives the pin pulling hook to move along the screw rod; the position of the nut on the screw rod is adjusted so that a bowl supporting device at one end of the supporting rod is tightly attached to the bowl opening part of the insulator steel cap, and positioning before pin pulling is realized;
3) The first insulating operation rod is subjected to transverse force application, so that the bowl supporting device is always abutted against the insulator, and the second insulating operation rod is continuously pulled forwards and backwards until the pin pulling hook drives the R-shaped spring pin to be pulled out of the insulator steel cap;
4) After the R-shaped spring pin is pulled out, the pin pulling device is moved from the target insulator through the first insulating operating rod and the second insulating operating rod; and continuing to take off the R-shaped spring pin according to the steps 1) to 3).
Compared with the prior art, the invention has the beneficial effects that:
the 2 insulating operation rods are matched with the pin pulling device for action, so that the hot-line pulling operation of the R-shaped spring pin can be conveniently and rapidly completed by a single operator, the operation difficulty is reduced, and the operation efficiency and the operation safety are improved.
Drawings
Fig. 1 is a schematic structural view of an apparatus for picking an R-shaped spring pin in an electrified manner according to the present invention.
Fig. 2 is a schematic view of the ratchet-pawl mechanism of the present invention.
In the figure: 1. insulator 2.R spring pin 3. Pin pulling device 301. Bowl support 302. Support rod 303. Screw 304. Nut 305. Pin pulling hook 306. Sliding sleeve 307. Connecting frame 308. Rotating pull rod 309. Pull ring 310. Key 311. Ratchet wheel 312. Pawl 313. Spring push rod 314. Spring 4. Insulating operating rod 5. Insulating operating rod two 6. Draw hook
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, the device for picking the R-shaped spring pin in an electrified manner comprises a pin pulling device 3, an insulating operation rod one 4 and an insulating operation rod two 5; the pin pulling device 3 consists of a supporting rod 302, a screw 303, a pin pulling hook 305 and a ratchet and pawl mechanism; one end of the supporting rod 302 is provided with a bowl supporting device 301, and the other end of the supporting rod is detachably connected with the first insulating operating rod 4; the screw 303 is arranged in parallel with the supporting rod 302, a matched nut 304 is sleeved on the screw 303, a pin pulling hook 305 is arranged on one side of the nut 304, and the other side of the nut is slidably connected with the supporting rod 302 through a sliding sleeve 306; a connecting frame 307 is arranged at one end of the screw 303 far away from the pin pulling hook 305, the bottom of the connecting frame 307 is fixedly connected with the supporting rod 302, a ratchet and pawl mechanism is arranged on the connecting frame 307, wherein a ratchet 311 is connected with the screw 303 for transmission, and a pawl 312 is in matched connection with the insulating operation rod II 5 through a rotating pull rod 308 and a pull ring 309; under the pulling of the second insulating operating rod 5, the pawl 312 pulls the ratchet 311 to drive the screw 303 to intermittently rotate, and the nut 304 drives the pin pulling hook 305 to move along the screw 303 to the side of the connecting frame 307.
The upper part of the connecting frame 307 is of a U-shaped structure, a rotary pull rod 308 is arranged at the opening part, the rotary pull rod 308 and 2 side plates of the U-shaped structure are sleeved on the screw 303, and one side of the rotary pull rod 308 extends outwards to be connected with a pull ring 309; the ratchet 311 is connected with the screw 303 through a key 310, and a pawl 312 is fixed in the rotary pull rod 308 through a spring 314 and a spring ejector rod 313.
The operation end of the second insulating operation rod 5 is provided with a draw hook 6 which is matched and connected with the pull ring 309.
A method for picking an R-shaped spring pin based on the electrification of the device, comprising the following steps:
1) After the pin pulling device 3 is assembled, the pin pulling device 3 is moved to the vicinity of the target insulator 1 through the first insulating operation rod 4, and the pin pulling hook 305 is hooked on the R-shaped spring pin 2 to be extracted;
2) The pull ring 309 in the pin pulling device 3 is hooked by the pull hook 6 on the second insulating operating rod 5, the second insulating operating rod 5 is pulled back and forth, the pull ring 309 drives the rotating pull rod 308 to rotate around the center of the screw 303, the pawl 312 is enabled to pull the ratchet wheel 311 unidirectionally, the ratchet wheel 311 drives the screw 303 to rotate, and the nut 304 drives the pin pulling hook 305 to move along the screw 303; the position of the nut 304 on the screw 303 is adjusted so that the bowl supporting device 301 at one end of the supporting rod 302 is tightly attached to the bowl opening of the steel cap of the insulator 1, and positioning before pin pulling is realized;
3) The first insulating operation rod 4 transversely applies force to enable the bowl supporting device 301 to be always abutted against the insulator 1, and the second insulating operation rod 5 is continuously pulled forwards and backwards until the pin pulling hook 305 drives the R-shaped spring pin 2 to be pulled out of the steel cap of the insulator 1;
4) After the R-shaped spring pin 2 is pulled out, the pin pulling device 3 is removed from the target insulator 1 through the first insulating operation rod 4 and the second insulating operation rod 5; and continuing to take off the R-shaped spring pin according to the steps 1) to 3).
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The device for picking the R-shaped spring pin in an electrified manner is characterized by comprising a pin pulling device, an insulating operation rod I and an insulating operation rod II; the pin pulling device consists of a supporting rod, a screw rod, a pin pulling hook and a ratchet and pawl mechanism; one end of the supporting rod is provided with a bowl supporting device, and the other end of the supporting rod is detachably connected with the first insulating operating rod; the screw rod is arranged in parallel with the support rod, a matched nut is sleeved on the screw rod, a pin pulling hook is arranged on one side of the nut, and the other side of the nut is connected with the support rod in a sliding manner through a sliding sleeve; the end of the screw far away from the pin pulling hook is provided with a connecting frame, the bottom of the connecting frame is fixedly connected with the supporting rod, the connecting frame is provided with a ratchet and pawl mechanism, the ratchet is connected with the screw for transmission, and the pawl is connected with the insulating operation rod II in a matched manner through the rotary pull rod and the pull ring; under the pulling of the insulating operating rod II, the pawl pulls the ratchet wheel to drive the screw rod to intermittently rotate, and the nut drives the pin pulling hook to move along the screw rod to one side of the connecting frame; the upper part of the connecting frame is of a U-shaped structure, a rotary pull rod is arranged at the opening part, the rotary pull rod and 2 side plates of the U-shaped structure are sleeved on the screw rod, and one side of the rotary pull rod is outwards extended to be connected with the pull ring; the ratchet wheel is connected with the screw rod by a key, and the pawl is fixed in the rotary pull rod by a spring and a spring ejector rod.
2. The device for picking up the R-shaped spring pin in an electrified manner according to claim 1, wherein the operation end of the second insulating operation rod is provided with a draw hook which is in fit connection with the pull ring.
3. A method of picking R-spring pins with electricity based on the device of claim 1, comprising the steps of:
1) After the pin pulling device is assembled, the pin pulling device is moved to the vicinity of the target insulator through the first insulating operation rod, and the pin pulling hook is hooked on the R-shaped spring pin to be extracted;
2) The pull ring in the pin pulling device is hooked by the pull hook on the second insulating operating rod, the second insulating operating rod is pulled back and forth, the pull ring drives the rotating pull rod to rotate around the center of the screw rod, the pawl is enabled to pull the ratchet wheel in one direction, and the ratchet wheel drives the screw rod to rotate, so that the nut drives the pin pulling hook to move along the screw rod; the position of the nut on the screw rod is adjusted so that a bowl supporting device at one end of the supporting rod is tightly attached to the bowl opening part of the insulator steel cap, and positioning before pin pulling is realized;
3) The first insulating operation rod is subjected to transverse force application, so that the bowl supporting device is always abutted against the insulator, and the second insulating operation rod is continuously pulled forwards and backwards until the pin pulling hook drives the R-shaped spring pin to be pulled out of the insulator steel cap;
4) After the R-shaped spring pin is pulled out, the pin pulling device is removed from the target insulator through the first insulating operating rod and the second insulating operating rod; and continuing to take off the R-shaped spring pin according to the steps 1) to 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432554.2A CN107160325B (en) | 2017-06-09 | 2017-06-09 | Device and method for picking R-shaped spring pin in electrified manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432554.2A CN107160325B (en) | 2017-06-09 | 2017-06-09 | Device and method for picking R-shaped spring pin in electrified manner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107160325A CN107160325A (en) | 2017-09-15 |
| CN107160325B true CN107160325B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710432554.2A Active CN107160325B (en) | 2017-06-09 | 2017-06-09 | Device and method for picking R-shaped spring pin in electrified manner |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838943B (en) * | 2018-08-09 | 2020-12-04 | 广东电网有限责任公司 | Pin remover for power distribution anti-pollution suspension insulator |
| CN111181072A (en) * | 2020-03-05 | 2020-05-19 | 广东电网有限责任公司 | Insulator R round pin puller |
| CN114629048B (en) * | 2022-03-18 | 2024-01-26 | 国网河南省电力公司平顶山供电公司 | Insulator string spring pin operating device and use method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100718536B1 (en) * | 2005-12-29 | 2007-05-15 | 한국전기공사협회 | Screw type puller for supporting conductors in transmission lines |
| CN201079944Y (en) * | 2007-10-22 | 2008-07-02 | 濮阳市双发实业有限责任公司 | Dismounting device for oil pumping machine mule head pin |
| CN101618533B (en) * | 2009-07-17 | 2011-01-12 | 南充电业局 | Live working wrench of high-voltage electrical equipment |
| CN102601770B (en) * | 2012-03-01 | 2014-04-23 | 广州铁路职业技术学院 | Assembly and disassembly tool for locomotive brake shoe |
| CN202964520U (en) * | 2012-11-15 | 2013-06-05 | 赞皇县供电公司 | Auxiliary tool for replacing PT (Potential Transformer) fuse |
| CN203674609U (en) * | 2013-10-23 | 2014-06-25 | 国家电网公司 | Insulator pin removing device |
| CN104362548B (en) * | 2014-12-01 | 2017-12-01 | 国家电网公司 | Insulator pushes away formula pin removal with rotation |
| JP2016179519A (en) * | 2015-03-23 | 2016-10-13 | 佐藤工業株式会社 | Knock pin removal jig |
| CN206811850U (en) * | 2017-06-09 | 2017-12-29 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of powered device for winning R type spring catch |
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| CN107160325A (en) | 2017-09-15 |
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