阅读说明：本技术 隔离开关转动部位检修装置 (Rotary position maintenance device for isolating switch ) 是由 庄建煌 李语菲 李燕玉 黄孔捷 陈培星 于 2021-09-03 设计创作，主要内容包括：本发明公开了检修装置技术领域的一种隔离开关转动部位检修装置,包括空压机、输气管和双用喷枪,双用喷枪输入端通过输气管与空压机输出端连接；双用喷枪包括开关握柄,开关握柄的前端连接有将进气分流为两气路的分流件,分流件与开关握柄的前端之间设置有用于控制空气在两气路之间切换并仅通往其中一气路的切换件,分流件的前端连接有分别对应两气路连接输出的枪身,枪身的下端连接有用于存储防锈漆和润滑油脂的存储件,本发明隔离开关转动部位检修装置,集调节压力、切换功能、高效清洁、快速风干、充分润滑功能于一体,无需拆装转动部位,提高工作效率。(The invention discloses an overhauling device for the rotating part of an isolating switch, belonging to the technical field of overhauling devices, comprising an air compressor, a gas pipe and a dual-purpose spray gun, wherein the input end of the dual-purpose spray gun is connected with the output end of the air compressor through the gas pipe; the dual-purpose spray gun comprises a switch grab handle, the front end of the switch grab handle is connected with a shunting piece which divides inlet air into two air paths, a switching piece which is used for controlling air to be switched between the two air paths and only leads to one of the two air paths is arranged between the shunting piece and the front end of the switch grab handle, the front end of the shunting piece is connected with a gun body which is respectively connected and output with the two air paths, and the lower end of the gun body is connected with a storage piece which is used for storing antirust paint and lubricating grease.)

1. The utility model provides a isolator rotates position and overhauls device which characterized in that: the dual-purpose spray gun comprises an air compressor (100), an air conveying pipe (200) and a dual-purpose spray gun (300), wherein the input end of the dual-purpose spray gun (3) is connected with the output end of the air compressor (100) through the air conveying pipe (200);

double-purpose spray gun (300) are including switch grab handle (310), the front end of switch grab handle (310) is connected with reposition of redundant personnel (320) for two gas circuits of reposition of redundant personnel that will admit air, reposition of redundant personnel (320) with be provided with between the front end of switch grab handle (310) and be used for controlling the air and switch over between two gas circuits and only lead to switching piece (330) of one of them gas circuit, the front end of reposition of redundant personnel (320) is connected with and corresponds body of a gun (340) of two gas circuit connection outputs respectively, the lower extreme of body of a gun (340) is connected with storage piece (350) that are used for saving anti rust paint and lubricating grease.

2. The disconnecting switch rotating part overhauling device according to claim 1, wherein: the switch grab handle (310) comprises a grab handle (311), the upper end of the grab handle (311) is integrally connected with a connecting end cover (312), the lower end of the grab handle (311) is provided with an air inlet pipe (313), the upper end of the air inlet pipe (313) extends into the connecting end cover (312) through an inner cavity of the grab handle (311), a valve switch (314) used for controlling the on-off of air supply of the air inlet pipe (313) is arranged on the side of the grab handle (311), the switching piece (330) is arranged in the connecting end cover (312), and an abdicating hole (315) for exposing the control end of the switching piece (330) is formed in the connecting end cover (312);

the flow dividing piece (320) comprises a disc main body (321), an arc blind groove (322) is formed in the rear end face of the disc main body (321), a purge gas hole (323) and a push air hole (324) which penetrate through the disc main body (321) are formed in two ends of the arc blind groove (322) respectively, an air path isolation frame (325) is arranged on the front end face of the disc main body (321), and the front ends of the purge gas hole (323) and the push air hole (324) are located on the outer side and the inner side of the air path isolation frame (325) respectively;

the switching piece (330) comprises a circular plate main body (331), a communicating air hole (332) allowing air flow to freely circulate is formed below the circular plate main body (331), an arc boss (333) is integrally arranged at the front end of the circular plate main body (331), the arc boss (333) is embedded in the arc blind groove (322) and rotationally shields the blowing air hole (323) or pushes the air hole (324) through the circular plate main body (331), a switching rod (334) is connected to the middle of the rear end face of the circular plate main body (331), and the rear end of the switching rod (334) extends out of the abdicating hole (315);

the utility model provides a gas blowing and cleaning gun, including body of a gun (340), gas blowing and cleaning hole (323) and gas outlet barrel (341), the inside of body of a gun (340) has piston installation cavity (342) and is provided with in piston installation cavity (342) and pushes away rust-resistant lacquer or grease exhaust piston spare (343), piston installation cavity (342) rear end has been seted up and has been bulldozed intercommunicated hole (344), gas circuit isolation frame (325) will bulldoze gas hole (324) with bulldoze intercommunicated hole (344) intercommunication, the front end of body of a gun (340) be provided with rust-resistant lubricated barrel (345) of piston installation cavity (342) intercommunication, body of a gun (340) below is provided with connecting seat (347), connecting seat (347) are inside to be seted up with storage piece (350) with rust-resistant lubricated passageway (346) of rust-resistant lubricated barrel (345) rear end intercommunication.

3. The disconnecting switch rotating part overhauling device according to claim 2, wherein: the piston piece (343) comprises a T-shaped ejector rod piston (3431) and a T-shaped sleeve piston (3432), an ejector rod of the T-shaped ejector rod piston (3431) is inserted into a through round hole of the T-shaped sleeve piston (3432) and keeps movable fit connection, and a piston pressure spring (3433) for separating and pressing the T-shaped ejector rod piston (3431) and the T-shaped sleeve piston (3432) is arranged between the T-shaped ejector rod piston (3431) and the T-shaped sleeve piston (3432).

4. The disconnecting switch rotating part overhauling device according to claim 1, wherein: storage piece (350) including connect in dress splendid attire jar (351) of body of a gun (340) below, the below of dress jar (351) is provided with handle pull rod (352), the upper end activity of handle pull rod (352) is run through stretch into behind dress jar (351) bottom dress jar (351) inner chamber and be connected with propelling movement piston (353), it is storage space to be located propelling movement piston (353) top region in dress jar (351), handle pull rod (352) are located dress jar (351) inner chamber one end outer wall cover is equipped with propelling movement pressure spring (354), both ends respectively with propelling movement piston (353) and dress jar (351) inner chamber bottom butt about propelling movement pressure spring (354).

5. The disconnecting switch rotating part overhauling device according to claim 1, wherein: the air conveying pipe (200) is provided with a pressure regulating valve (400).

Technical Field

The invention relates to the technical field of maintenance devices, in particular to a maintenance device for a rotating part of an isolating switch.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions, such as a short circuit, for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current. The vocabulary entry introduces the function, characteristics, type, application, error improvement prevention, maintenance, common problems and the like of the isolating switch.

Whether the rotating part of the isolating switch is flexible is a key factor for reliable operation and action of equipment. At present, the phenomenon of dry oil sludge, paint and rust exists on a rotating part, and the potential safety hazard of equipment operation jam and movement failure is caused because a daily maintenance process cannot be effectively treated and solved; if the rotating part is disassembled for maintenance every time, time and labor are wasted.

Based on the above, the invention designs an overhauling device for the rotating part of the isolating switch, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a disconnecting switch rotating part overhauling device to solve the technical problem.

In order to realize the purpose, the invention provides the following technical scheme: an overhauling device for a rotating part of an isolating switch comprises an air compressor, a gas pipe and a dual-purpose spray gun, wherein the input end of the dual-purpose spray gun is connected with the output end of the air compressor through the gas pipe;

the double-purpose spray gun comprises a switch grab handle, the front end of the switch grab handle is connected with a shunting piece for shunting inlet air into two air paths, the shunting piece is provided with a switching piece for controlling air to be switched between the two air paths and only leading to one of the air paths between the front end of the switch grab handle, the front end of the shunting piece is connected with a gun body which respectively corresponds to the connection and output of the two air paths, and the lower end of the gun body is connected with a storage piece for storing antirust paint and lubricating grease.

Preferably, the switch grab handle comprises a grab handle, the upper end of the grab handle is integrally connected with a connecting end cover, the lower end of the grab handle is provided with an air inlet pipe, the upper end of the air inlet pipe extends into the connecting end cover through an inner cavity of the grab handle, a valve switch for controlling the on-off of air supply of the air inlet pipe is arranged on the side of the grab handle, the switching piece is arranged in the connecting end cover, and the connecting end cover is provided with a abdicating hole for exposing the control end of the switching piece;

the flow dividing piece comprises a disc main body, an arc blind groove is formed in the rear end face of the disc main body, a blowing air hole and a pushing air hole which penetrate through the disc main body are formed in two ends of the arc blind groove respectively, an air path isolation frame is arranged on the front end face of the disc main body, and the front ends of the blowing air hole and the pushing air hole are located on the outer side and the inner side of the air path isolation frame respectively;

the switching piece comprises a circular plate main body, a communicated air hole allowing air flow to freely circulate is formed below the circular plate main body, an arc boss is integrally arranged at the front end of the circular plate main body, the arc boss is embedded in the arc blind groove and is used for covering a blowing air hole or pushing the air hole through rotation of the circular plate main body, a switching rod is connected to the middle of the rear end face of the circular plate main body, and the rear end of the switching rod extends out of the abdicating hole;

the body of a gun side be provided with the barrel of giving vent to anger that sweeps of purge gas hole intercommunication, the inside of body of a gun has and is provided with propelling movement anti-rust paint or grease exhaust piston spare in piston installation cavity and the piston installation cavity, piston installation cavity rear end has been seted up and has been bulldozed the intercommunicating pore, the gas circuit keep apart the frame will bulldoze the gas pocket with bulldoze the intercommunicating pore intercommunication, the front end of body of a gun be provided with the rust-resistant lubrication barrel of piston installation cavity intercommunication, the body of a gun below is provided with the connecting seat, inside seted up of connecting seat with save the piece with the rust-resistant lubrication passageway of rust-resistant lubrication barrel rear end intercommunication.

Preferably, the piston part comprises a T-shaped ejector rod piston and a T-shaped sleeve piston, an ejector rod of the T-shaped ejector rod piston is inserted into a through round hole of the T-shaped sleeve piston and keeps movable fit connection, and a piston pressure spring for separating and pressing the T-shaped ejector rod piston and the T-shaped sleeve piston is arranged between the T-shaped ejector rod piston and the T-shaped sleeve piston.

Preferably, the storage piece including connect in the flourishing jar of body of a gun below, the below of flourishing jar is provided with the handle pull rod, the upper end activity of handle pull rod runs through stretch into behind the flourishing tank bottoms portion the flourishing inner chamber of the jar is connected with the propelling movement piston, it is regional storage space that is located propelling movement piston top in the flourishing jar, the handle pull rod is located the outer wall cover of the inner chamber of the flourishing jar is equipped with the propelling movement pressure spring, both ends respectively with propelling movement piston and the bottom butt of the flourishing jar inner chamber of the flourishing jar about the propelling movement pressure spring.

Preferably, the gas pipe is provided with a pressure regulating valve.

Compared with the prior art, the invention has the beneficial effects that:

the overhauling device for the rotating part of the isolating switch integrates the functions of pressure regulation, switching, high-efficiency cleaning, quick air drying and sufficient lubrication, does not need to disassemble and assemble the rotating part, and improves the working efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the dual-purpose spray gun of the present invention;

FIG. 3 is a schematic diagram of the explosion structure of the dual-purpose spray gun of the present invention;

FIG. 4 is a schematic view of the internal structure of the dual-purpose spray gun of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100-air compressor, 200-air pipe, 300-dual-purpose spray gun, 310-switch handle, 311-handle, 312-connecting end cover, 313-air inlet pipe, 314-valve switch, 315-abdicating hole, 320-shunt piece, 321-disc main body, 322-arc blind groove, 323-purge air hole, 324-push air hole, 325-air path isolation frame, 330-switch piece, 331-disc main body, 332-communication air hole, 333-arc boss, 334-switch rod, 340-gun body, 341-purge air outlet gun barrel, 342-piston installation cavity, 343-piston piece, 3431-T ejector rod piston, 3432-T sleeve piston, 3433-piston pressure spring, 344-push communication hole, 345-antirust lubricating gun barrel, 346-rust-proof lubrication channel, 347-connecting seat, 350-storage part, 351-containing tank, 352-handle pull rod, 353-pushing piston, 354-pushing pressure spring and 400-pressure regulating valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an overhauling device for the rotating part of an isolating switch comprises an air compressor 100, an air conveying pipe 200 and a dual-purpose spray gun 300, wherein the input end of the dual-purpose spray gun 3 is connected with the output end of the air compressor 100 through the air conveying pipe 200;

the dual-purpose spray gun 300 comprises a switch handle 310, the front end of the switch handle 310 is connected with a flow dividing member 320 for dividing the inlet air into two air paths, a switching member 330 for controlling the air to be switched between the two air paths and only leading to one of the air paths is arranged between the flow dividing member 320 and the front end of the switch handle 310, the front end of the flow dividing member 320 is connected with a gun body 340 which respectively corresponds to the two air paths for connection and output, and the lower end of the gun body 340 is connected with a storage member 350 for storing antirust paint and lubricating grease.

Specifically, the switch handle 310 comprises a handle 311, the upper end of the handle 311 is integrally connected with a connecting end cover 312, the lower end of the handle 311 is provided with an air inlet pipe 313, the upper end of the air inlet pipe 313 extends into the connecting end cover 312 through an inner cavity of the handle 311, a valve switch 314 for controlling the on-off of air supply of the air inlet pipe 313 is arranged on the side of the handle 311, the switching piece 330 is arranged in the connecting end cover 312, and the connecting end cover 312 is provided with a abdicating hole 315 for exposing the control end of the switching piece 330; when the air-breathing valve works, the air inlet pipe 313 is connected with the output end of the air conveying pipe 200 through an air pipe connector, compressed air enters the air inlet pipe 313 and is conveyed into the connecting end cover 312 along the inner cavity channel of the holding handle 311, the valve switch 314 is a point-contact type normally closed valve, when air ventilation is needed, the inner cavity channel of the holding handle 311 is conducted by pressing the valve switch 314, the valve switch 314 is released when the air ventilation is needed, and the valve switch 314 automatically resets and rebounds to close the inner cavity channel of the holding handle 311.

The flow divider 320 comprises a disc main body 321, an arc blind groove 322 is formed in the rear end face of the disc main body 321, a purge gas hole 323 and a push air hole 324 which penetrate through the disc main body 321 are respectively formed in two ends of the arc blind groove 322, a gas path isolation frame 325 is arranged on the front end face of the disc main body 321, and the front ends of the purge gas hole 323 and the push air hole 324 are respectively located on the outer side and the inner side of the gas path isolation frame 325; compressed air can only pass through one of the blowing air hole 323 and the pushing air hole 324 according to the working mode, when the air flows through the blowing air hole 323, the compressed air is directly output to a part needing to be cleaned of the isolating switch in the blowing mode, when the compressed air passes through the pushing air hole 324, the front end mechanism is pushed by air pressure, antirust paint or lubricating grease is discharged, and the antirust paint or the lubricating grease acts on the cleaned isolating switch for maintenance.

The switching piece 330 comprises a circular plate main body 331, a communicating air hole 332 for freely circulating air flow is arranged below the circular plate main body 331, an arc boss 333 is integrally arranged at the front end of the circular plate main body 331, the arc boss 333 is embedded in the arc blind groove 322 and rotationally shields the blowing air hole 323 or the pushing air hole 324 through the circular plate main body 331, a switching rod 334 is connected to the middle part of the rear end face of the circular plate main body 331, and the rear end of the switching rod 334 extends out of the abdicating hole 315; the communicating air hole 332 is used for guiding compressed air into the flow dividing piece 320 from the switch handle 310, the width of the arc boss 333 is consistent with that of the arc blind groove 322, but the arc length of the arc boss 333 is shorter than that of the arc blind groove 322, the arc boss 333 can move along an arc track in the arc blind groove 322, when the arc boss 333 moves to one side of the purge air hole 323, the purge air hole 323 is shielded by the arc boss 333, the push air hole 324 is communicated at the moment, and the compressed air flows from the push air hole 324 and acts in a front-end push mechanism, which is the same as pushing of antirust paint or lubricant; on the contrary, when the arc boss 333 moves to the side of the push air hole 324, the push air hole 324 is shielded by the arc boss 333, the purge air hole 323 is conducted at this time, the compressed air flows through the purge air hole 323, and the compressed air is directly output to the part of the isolating switch which needs to be cleaned in the purge mode; the control of the arc boss 333 is switched by the rotation of the rear end of the switching lever 334.

A purging air outlet barrel 341 communicated with a purging air hole 323 is arranged at the side of the gun body 340, the front end of the purging air outlet barrel 341 is connected with a corresponding purging nozzle, a piston installation cavity 342 is arranged in the gun body 340, a piston piece 343 for pushing antirust paint or grease to discharge is arranged in the piston installation cavity 342, a pushing communication hole 344 is arranged at the rear end of the piston installation cavity 342, a pushing air hole 324 is communicated with the pushing communication hole 344 through an air path isolation frame 325, an antirust lubricating barrel 345 communicated with the piston installation cavity 342 is arranged at the front end of the gun body 340, the front end of the antirust lubricating barrel 345 is connected with the corresponding liquid injection nozzle, a connecting seat 347 is arranged below the gun body 340, an antirust lubricating channel 346 for communicating the storage piece 350 with the rear end of the antirust lubricating barrel 345 is arranged in the connecting seat 347, when the purging air outlet barrel 341 can directly lead out compressed air for purging, and the antirust paint or lubricant led out by the antirust lubricating barrel 345 needs the compressed air to act on the piston piece 343 first, under the pushing and retracting action of the piston member 343, the rust-preventive paint or lubricant in the storage member 350 can be intermittently discharged, and the maintenance treatment of the disconnector can be intermittently discharged at the same frequency as the pushing and retracting action of the piston member 343.

Further, the piston member 343 includes a T-shaped ejector piston 3431 and a T-shaped casing piston 3432, the ejector of the T-shaped ejector piston 3431 is inserted into the through circular hole of the T-shaped casing piston 3432 and is movably attached to the through circular hole, a piston compression spring 3433 is disposed between the T-shaped ejector piston 3431 and the T-shaped casing piston 3432 to separate and compress the two, in a normal state, the T-shaped ejector piston 3431 and the T-shaped casing piston 3432 are respectively abutted against two ends of the piston installation cavity 342 under the action of the piston compression spring 3433, and the inner hole of the T-shaped casing piston 3432 is correspondingly communicated with the inner end of the rustproof lubricating gun tube 345, the compressed air is pushed and acted on the T-shaped ejector rod piston 3431, the ejector rod of the T-shaped ejector rod piston 3431 extends into the front end of the inner hole of the T-shaped casing piston 3432, namely, the rust inhibitive paint or the lubricant which is lifted up to the inner end of the rust inhibitive lubricating channel 346 by the storage member 350 is ejected out from the inner end of the rust inhibitive lubricating channel 346 to the front end, and the discharging process is completed.

The storage part 350 comprises a containing tank 351 connected below the gun body 340, a handle pull rod 352 is arranged below the containing tank 351, the upper end of the handle pull rod 352 movably penetrates through the bottom of the containing tank 351 and then extends into the inner cavity of the containing tank 351 and is connected with a pushing piston 353, a storage space is formed in the area above the pushing piston 353 in the containing tank 351, a pushing pressure spring 354 is sleeved on the outer wall of one end, located in the inner cavity of the containing tank 351, of the handle pull rod 352, and the upper end and the lower end of the pushing pressure spring 354 are respectively abutted to the pushing piston 353 and the bottom of the inner cavity of the containing tank 351; when the anti-rust lubricating gun barrel works, the storage part 350 is detached from the gun body 340, the push piston 353 is driven to move downwards by the pull-down handle pull rod 352, a containing space is vacated, anti-rust paint or lubricant is filled into the containing space, the pull-down handle pull rod 352 is kept to prevent the push piston 353 from rebounding until the containing tank 351 is connected with the gun body 340 again and mounted, the handle pull rod 352 can be released, after mounting, the push piston 353 is lifted under the action of the push compression spring 354, the anti-rust paint or lubricant in the containing space is pushed to the rear end of the inner cavity of the anti-rust lubricating gun barrel 345 through the anti-rust lubricating channel 346, and the piston part 343 is discharged under the action of the push compression spring 354.

In addition, the gas pipe 200 is provided with a pressure regulating valve 400 for regulating the purge and push pressure.

Working principle embodiment:

starting the air compressor to accumulate air, firstly rotating the switching rod 334 in the switching piece 330, switching the dual-purpose spray gun 300 into a purging mode, adjusting the pressure regulating valve 400 to a proper purging pressure, holding the dual-purpose spray gun 300 by hand to align a nozzle at the front end of the purging air outlet gun barrel 341 to a part needing to be cleaned, pressing the valve switch 314 to conduct a purging air flow channel, and purging and cleaning the corresponding part of the isolating switch; after cleaning, the pressure regulating valve 400 is adjusted to a proper liquid injection pressure, the handheld dual-purpose spray gun 300 aligns the nozzle at the front end of the antirust lubricating gun barrel 345 to the part to be maintained, the liquid injection air flow channel is conducted by pressing the valve switch 314, and liquid injection maintenance is conducted on the corresponding part of the isolating switch.

In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.