CN106328431A - Hydraulic pressure exhaust device of breaker - Google Patents
Hydraulic pressure exhaust device of breaker Download PDFInfo
- Publication number
- CN106328431A CN106328431A CN201610941865.7A CN201610941865A CN106328431A CN 106328431 A CN106328431 A CN 106328431A CN 201610941865 A CN201610941865 A CN 201610941865A CN 106328431 A CN106328431 A CN 106328431A
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- Prior art keywords
- exhaust
- hydraulic pressure
- piston
- montant
- channel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
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- Fluid-Pressure Circuits (AREA)
Abstract
The hydraulic pressure exhaust device of breaker comprises the hydraulic bunker. The exhaust mechanism and fire prevention chamber are set above the hydraulic bunker; the exhaust mechanism comprises the valve body, the piston channel and exhaust channel are set inside the valve body, the piston rod is set inside the piston channel and the piston rod has piston installed at the lower end and primary thrust spring set at the upper end; the exhaust chamber is set in the middle of exhaust channel and the columnar vertical bar is set inside the exhaust chamber to seal the exhaust channel; the traverse connection channel is set between the exhaust chamber and piston channel in which the motion bar is set.One end of motion bar connects the vertical bar and arc portion is set at the other end. The arc groove corresponding to arc portion is provided on the piston bar; the traverse secondary thrust spring is set between the vertical bar and exhaust chamber; the connection pipe is set at the upper end outlet of exhaust channel and inlet of fire prevention chamber, the fire prevention chamber is filled with water, and the lower end of connection pipe stretches into the water below. The device can realize the automatic exhaust for oil gas accumulated inside the hydraulic bunker with simple structure and excellent safety performance.
Description
Technical field
The present invention relates to a kind of automatic exhaust device, belong to field of power, particularly relate to a kind of chopper hydraulic pressure row
Device of air.
Background technology
Primary cut-out is also referred to as high-voltage switch gear, plays control action in high-tension circuit, cuts off or close when properly functioning
Close the no-load current in high-tension circuit and load current, under the effect of protective relaying device, during failure condition, disconnect rapidly electricity
Road.The duty of chopper, namely its be opened or closed action be by he actuating mechanism control, therefore, from action machine
Can be divided on the medium that structure uses: oil-break, sulfur hexafluoride breaker, compressed-air circuit breaker, vacuum circuit breaker etc..Existing
To use hydraulic oil in the majority, along with the work of the pump housing in running, in the oil pump low pressure of hydraulic system in some oil-breaks
Certain gas can be gathered in the inside of part and partial high pressure part.Due to the existence of gas, oil pump can not be effectively by liquid
Force feed is input to high-pressure section from low-pressure section, causes oil pump continuous service, but the situation that pressure cannot raise, will danger time serious
And the cut-out job security of possibility chopper.
Chinese patent (Authorization Notice No. CN 204946842U) discloses one " chopper Intelligent exhaust device ", including
Processing module that detection module, input are connected with the outfan of described detection module and input are defeated with described processing module
Going out the air bleeding valve that end connects, described detection module is oil pump oil level detection, described processing module root in Hydraulic Mechanism of Circuit-breaker
Control described air bleeding valve according to the output signal of described detection module described oil pump is exhausted；By at Hydraulic Mechanism of Circuit-breaker
Middle oil pump liquid level detection module and the air bleeding valve being exhausted oil pump are set, it is possible to aerofluxus automatically, it is to avoid artificial fixed
The blindness manual exhaust of phase, reduces maintainer and contacts the number of times of high-risk environment and equipment, can greatly reduce major accident
Accident rate, i.e. improve the scientific and technological content of the job security of equipment, reliability and power equipment, substantially increase again work
Productivity ratio.This utility model system is complex, during aerofluxus, owing to chopper works under various electric circumstance,
Directly there is the risk of accidental ignition in the hydraulic pressure oil gas of discharge, jeopardizes the safety of equipment.
Summary of the invention
The present invention provides a kind of chopper hydraulic pressure exhaust apparatus, is used for solving the problems of the prior art.
In order to realize the purpose of the present invention, by the following technical solutions:
Chopper hydraulic pressure exhaust apparatus, arranges the hydraulic pressure bunker of liquid level display window, the bottom of hydraulic pressure bunker including front
Feed tube and drain pipe are set, liquid-level floater are set inside it, described hydraulic pressure bunker be provided above exhaust gear and back-fire relief room,
Back-fire relief room is located at the side of exhaust gear；Described exhaust gear includes valve body, arranges vertical connecting with hydraulic pressure bunker in valve body
Piston channel and exhaust passage, piston rod is set in described piston channel, piston is installed in the lower end of piston rod, and its upper end is provided with
First thrust spring, the first thrust spring upper end is fixedly connected with the valve body；The middle part of described exhaust passage arranges exhaust chamber, aerofluxus
Indoor set the montant of column, and montant can block exhaust passage；Horizontal connection is set between described exhaust chamber and piston channel
Passage, arranges motion bar in interface channel, one end of motion bar is connected with montant, and its other end is provided with curved portions, described work
Stopper rod offers the arc groove coordinated with curved portions；The second horizontal thrust bullet it is provided with between described montant and exhaust chamber
Spring, the second thrust spring is positioned at the opposite side that montant is connected with motion bar；The upper end outlet of described exhaust passage enters with back-fire relief room
QI KOU is provided with communicating pipe, and back-fire relief indoor are filled with water, and below the water surface, the air vent of described back-fire relief room are stretched in the lower end of communicating pipe
Flexible pipe is diffused in upper installation.
In order to realize the purpose of the present invention further, it is also possible to by the following technical solutions:
Chopper hydraulic pressure exhaust apparatus as above, upper end setting and the valve body of described piston channel is detachably fixed
First sealing-plug, the upper end of the first thrust spring is connected with the first sealing-plug.
Chopper hydraulic pressure exhaust apparatus as above, described second thrust spring is provided with 2 sets, is separately positioned on montant
Upper and lower.
Chopper hydraulic pressure exhaust apparatus as above, one end of described second thrust spring is connected with montant, its another
End is fixed with the second sealing-plug, and described second sealing-plug is arranged in the horizontal screw that valve body side is offered, and horizontal screw is through
Between exhaust chamber and valve body.
Chopper hydraulic pressure exhaust apparatus as above, arranges cannelure, cannelure and motion bar in the middle part of described montant
End coordinates.
Chopper hydraulic pressure exhaust apparatus as above, described arc groove is stopper slot structure, described piston channel
Lower end arranges and tightens up passage, and piston is located at the top tightening up passage, and the sectional area of piston is more than the area tightening up passage.
Chopper hydraulic pressure exhaust apparatus as above, is provided with shunt valve, feed tube between described feed tube and drain pipe
On the first valve is set between shunt valve and hydraulic pressure bunker, drain pipe arranges between shunt valve and hydraulic pressure bunker
Three valves, shunt valve arranges the second valve.
Beneficial effects of the present invention:
1, the oil gas of accumulation in hydraulic pressure bunker can be realized automatic aerofluxus, i.e. long-pending by chopper hydraulic pressure exhaust apparatus of the present invention
When poly-oil-air pressure raises, utilize the piston in piston channel and piston rod upward sliding, promote motion bar to move and control
Montant opens the exhaust passage in exhaust chamber, thus the oil gas realized in hydraulic pressure bunker is brought out by exhaust passage；Along with oil
Arranging outside gas, the pressure of hydraulic pressure bunker reduces, and piston and piston rod slide downward, motion bar sets back, and montant is by exhaust chamber
Exhaust passage close.Upper end outlet in exhaust passage arranges communicating pipe, utilizes communicating pipe the oil gas of discharge can be introduced resistance
Below the water surface in fire room, thus realize the back-fire relief isolation under electrical operating conditions of the hydraulic pressure bunker, and utilize on back-fire relief room
Diffuse flexible pipe and can cause outside release.
2, in order to adapt to the hydraulic pressure automatic aerofluxus use of different chopper, it is provided with in the upper end of piston channel inner piston rod
First thrust spring and the first sealing-plug, can regulate the pressure to the first thrust spring by screwing or loosening the first sealing-plug
Power, thus the setting of exhaust of oil pressure in completing hydraulic pressure bunker, conveniently use and manage；In like manner, it is arranged in exhaust chamber
Second thrust spring can also play similar exhaust of oil pressure and set and managerial role, in addition, seals by first
Plug, the second sealing-plug install the first thrust spring, the second thrust spring, it is simple to safeguard and change；Second thrust spring is provided with 2
Set, lays respectively at the upper and lower of montant, makes montant relatively stable when sliding, it is possible to simultaneously turn off exhaust passage.
What 3, piston channel bottom was arranged tightens up passage, plays effect spacing when piston moves down, it is to avoid occur under piston
Slip over many, cause the fault that motion bar cannot reset；And the arc groove of piston rod is arranged to stopper slot structure, can improve
The stability that motion bar curved portions coordinates with arcuate groove, it is ensured that piston rod service behaviour is accurate.
4, design principle of the present invention is reliable, simple in construction, security performance are good, has the strongest practicality and popularization and application
It is worth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the another kind of view of Fig. 1.
Reference: 1-hydraulic pressure bunker, 2-feed tube, 3-drain pipe, 4-ball float, 5-valve body, 6-piston channel, 7-aerofluxus
Passage, 8-piston rod, 9-piston, 10-the first thrust spring, 11-exhaust chamber, 12-montant, 13-motion bar, 14-curved portions,
15-arc groove, 16-the second thrust spring, 17-communicating pipe, 18-water, 19-diffuses flexible pipe, 20-the first sealing-plug, 21-second
Sealing-plug, 22-cannelure, 23-tightens up passage, 24-shunt valve, 25-the first valve, 26-the 3rd valve, 27-the second valve.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.
As shown in Figure 1 and Figure 2, the present embodiment one chopper hydraulic pressure exhaust apparatus, including front, liquid level display window is set
Hydraulic pressure bunker 1, the bottom of hydraulic pressure bunker 1 arranges feed tube 2 and drain pipe 3, arranges liquid-level floater 4, hydraulic pressure bunker 1 inside it
Be provided above exhaust gear and back-fire relief room, back-fire relief room is located at the side of exhaust gear；Exhaust gear includes valve body 5, in valve body 5
Vertical piston 9 passage 6 connected with hydraulic pressure bunker 1 and exhaust passage 7 are set, in piston 9 passage 6, piston rod 8, piston are set
Piston 9 is installed in the lower end of bar 8, and its upper end is provided with the first thrust spring 10, and the first thrust spring 10 upper end is fixing with valve body 5 even
Connect；The middle part of exhaust passage 7 arranges exhaust chamber 11, sets the montant 12 of column in exhaust chamber 11, and montant 12 can block aerofluxus and lead to
Road 7；Between exhaust chamber 11 and piston 9 passage 6, horizontal interface channel is set, motion bar 13, motion bar are set in interface channel
One end of 13 is connected with montant 12, and its other end is provided with curved portions 14, and piston rod 8 offers the arc coordinated with curved portions 14
Groove 15；Being provided with the second horizontal thrust spring 16 between montant 12 and exhaust chamber 11, the second thrust spring 16 is positioned at montant
12 with the opposite side being flexibly connected；The upper end outlet of exhaust passage 7 and back-fire relief room air inlet are provided with communicating pipe 17, and back-fire relief is indoor
Being filled with water 18, below the water surface is stretched in the lower end of communicating pipe 17, the air vent of back-fire relief room is installed and diffuses flexible pipe 19.
Specifically, chopper hydraulic pressure exhaust apparatus disclosed in the present embodiment, Fig. 1 is the state that this device closes aerofluxus,
Fig. 2 is the state that this device opens aerofluxus.During use, along with in hydraulic pressure bunker 1, the oil-air pressure of accumulation raises, due to piston 9
Passage 6, exhaust passage 7 all connect with hydraulic pressure bunker 1, and piston 9 and piston rod 8 can be pushed up by oil gas at piston 9 passage 6
Dynamic, now, owing to motion bar 13 is limited in horizontal interface channel, can only laterally move, therefore, along with piston rod 8
Upper shifting, the curved portions 14 of motion bar 13 separates with the arc groove 15 of piston rod 8, and drives motion bar 13 to side, exhaust passage 7
Mobile, such that it is able to promote montant 12 to open the exhaust passage 7 of exhaust chamber 11, it is achieved the oil gas in hydraulic pressure bunker 1 is discharged；?
The upper end outlet of exhaust passage 7 arranges communicating pipe 17, utilizes communicating pipe 17 oil gas of discharge can be introduced the water surface that back-fire relief is indoor
Hereinafter, thus realize hydraulic pressure bunker 1 under electrical operating conditions back-fire relief isolation, and utilize on back-fire relief room diffuse flexible pipe 19 can
To cause outside release；Along with arranging outside oil gas, the oil-air pressure in hydraulic pressure bunker 1 reduces, and the first thrust spring 10 can be downward
Promoting piston rod 8 and piston 9 to slide, meanwhile, the second thrust spring 16 promotes montant 12 to piston 9 passage 6 side shifting, works as activity
Arc groove 15 on bar 13 move down the curved portions 14 with motion bar 13 complete coordinate after, montant 12 is by the aerofluxus in exhaust chamber 11
Passage 7 is closed, thus completes a whole set of exhaust process of hydraulic pressure bunker 1.
As it is shown in figure 1, the present embodiment arranges the first sealing being detachably fixed with valve body 5 in the upper end of piston 9 passage 6
Plug 20, the upper end of the first thrust spring 10 is connected with the first sealing-plug 20.In order to adapt to the automatic aerofluxus of hydraulic pressure of different chopper
Use, be provided with the first thrust spring 10 and the first sealing-plug 20 in the upper end of piston 9 passage 6 inner piston rod 8, by screwing or
Loosen the first sealing-plug 20 and can regulate the pressure to the first thrust spring 10, thus exhaust of oil pressure in completing hydraulic pressure bunker 1
The setting of power, conveniently uses and manages
As described in Figure 1, second thrust spring 16 of the present embodiment is provided with 2 sets, be separately positioned on montant 12 top and
Bottom.The second thrust spring 16 that is similar with the first thrust spring 10 arranged on piston 9 passage 6, that be arranged in exhaust chamber 11
Exhaust of oil pressure can also be played set and managerial role.
Further, as it is shown in figure 1, one end of the second thrust spring 16 is connected with montant 12 in the present embodiment, its another
End is fixed with the second sealing-plug 21, and the second sealing-plug 21 is arranged in the horizontal screw that valve body 5 side is offered, and horizontal screw is through
Between exhaust chamber 11 and valve body 5.By first sealing-plug the 20, second sealing-plug 21, first thrust spring the 10, second thrust is installed
Spring 16, it is simple to safeguard and change；Second thrust spring 16 is provided with 2 sets, lays respectively at the upper and lower of montant 12, makes to erect
Bar 12 is relatively stable when sliding, it is possible to simultaneously turn off exhaust passage 7.
As it is shown in figure 1, the present embodiment arranges cannelure 22 in the middle part of montant 12, the end of cannelure 22 and motion bar 13 is joined
Close.Utilize cannelure 22 that montant 12 can be fastened on the end of motion bar 13, it is to avoid to rock, keep montant 12 to exhaust passage 7
The stability being turned on and off.
As in figure 2 it is shown, the arc groove 15 in the present embodiment is stopper slot structure, the lower end of piston 9 passage 6 arranges and tightens up
Passage 23, piston 9 is located at the top tightening up passage 23, and the sectional area of piston 9 is more than the area tightening up passage 23.Piston 9 passage 6
What bottom was arranged tightens up passage 23, plays effect spacing when piston 9 moves down, it is to avoid occur that piston 9 glides too much, cause activity
The fault that bar 13 cannot reset；And the arc groove 15 of piston rod 8 is arranged to stopper slot structure, motion bar 13 arc can be improved
The stability that shape portion 14 coordinates with arcuate groove, it is ensured that piston rod 8 service behaviour is accurate.
As it is shown in figure 1, the present embodiment is provided with shunt valve 24 between feed tube 2 and drain pipe 3, feed tube 2 is positioned at side
First valve 25 is set between road pipe 24 and hydraulic pressure bunker 1, drain pipe 3 is arranged between shunt valve 24 and hydraulic pressure bunker 1
3rd valve 26, shunt valve 24 arranges the second valve 27.I.e. when need not the exhaust apparatus of the use present invention or to hydraulic oil
When storehouse 1 carries out repair and maintenance, by the first valve 25 and the 3rd valve 26, hydraulic pressure bunker 1 can be separated, conveniently use and cut
Change.
The technology contents of the most detailed description of the present invention is known technology.
Claims (7)
1. chopper hydraulic pressure exhaust apparatus, arranges the hydraulic pressure bunker of liquid level display window including front, and the bottom of hydraulic pressure bunker sets
Put feed tube and drain pipe, liquid-level floater be set inside it, it is characterised in that described hydraulic pressure bunker be provided above exhaust gear
With back-fire relief room, back-fire relief room is located at the side of exhaust gear；Described exhaust gear includes valve body, arranges vertical and hydraulic pressure in valve body
The piston channel of bunker connection and exhaust passage, arrange piston rod in described piston channel, piston is installed in the lower end of piston rod, its
Upper end is provided with the first thrust spring, and the first thrust spring upper end is fixedly connected with the valve body；The middle part of described exhaust passage arranges row
Air chamber, sets the montant of column in exhaust chamber, montant can block exhaust passage；Between described exhaust chamber and piston channel, horizontal stroke is set
To interface channel, motion bar is set in interface channel, one end of motion bar is connected with montant, and its other end is provided with arc
Portion, described piston rod offers the arc groove coordinated with curved portions；Horizontal it is provided with between described montant and exhaust chamber
Two thrust springs, the second thrust spring is positioned at the opposite side that montant is connected with motion bar；The upper end outlet of described exhaust passage with
Back-fire relief room air inlet is provided with communicating pipe, and back-fire relief indoor are filled with water, and below the water surface, described back-fire relief room are stretched in the lower end of communicating pipe
Air vent on install diffuse flexible pipe.
Chopper hydraulic pressure exhaust apparatus the most according to claim 1, it is characterised in that the upper end of described piston channel is arranged
The first sealing-plug being detachably fixed with valve body, the upper end of the first thrust spring is connected with the first sealing-plug.
Chopper hydraulic pressure exhaust apparatus the most according to claim 1, it is characterised in that described second thrust spring is provided with
2 sets, are separately positioned on the upper and lower of montant.
Chopper hydraulic pressure exhaust apparatus the most according to claim 3, it is characterised in that one end of described second thrust spring
Being connected with montant, its other end and the second sealing-plug are fixed, and described second sealing-plug is arranged on the horizontal spiral shell that valve body side is offered
In hole, between the through exhaust chamber of horizontal screw and valve body.
Chopper hydraulic pressure exhaust apparatus the most according to claim 1, it is characterised in that in the middle part of described montant, annular is set
Groove, cannelure coordinates with the end of motion bar.
Chopper hydraulic pressure exhaust apparatus the most according to claim 1, it is characterised in that described arc groove is stopper slot knot
Structure, the lower end of described piston channel arranges and tightens up passage, and piston is located at the top tightening up passage, and the sectional area of piston is more than tightening up
The area of passage.
Chopper hydraulic pressure exhaust apparatus the most according to claim 1, it is characterised in that between described feed tube and drain pipe
Be provided with shunt valve, feed tube arrange between shunt valve and hydraulic pressure bunker the first valve, drain pipe is positioned at shunt valve with
3rd valve is set between hydraulic pressure bunker, shunt valve arranges the second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610941865.7A CN106328431B (en) | 2016-10-31 | 2016-10-31 | Breaker hydraulic pressure exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610941865.7A CN106328431B (en) | 2016-10-31 | 2016-10-31 | Breaker hydraulic pressure exhaust apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106328431A true CN106328431A (en) | 2017-01-11 |
| CN106328431B CN106328431B (en) | 2018-07-03 |
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ID=57819420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610941865.7A Active CN106328431B (en) | 2016-10-31 | 2016-10-31 | Breaker hydraulic pressure exhaust apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106328431B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321244A (en) * | 1995-05-23 | 1996-12-03 | Fuji Electric Co Ltd | Arc gas exhaust device of circuit breaker |
| CN203906451U (en) * | 2014-05-07 | 2014-10-29 | 国家电网公司 | Automatic exhaust warning device for breaker hydraulic mechanism |
| CN204204729U (en) * | 2014-09-22 | 2015-03-11 | 贵阳供电局 | Power circuit breaker hydraulic mechanism hydraulic oil depassing unit |
| CN204946842U (en) * | 2015-10-09 | 2016-01-06 | 国家电网公司 | Circuit breaker Intelligent exhaust device |
| CN105914060A (en) * | 2016-05-10 | 2016-08-31 | 国网山东省电力公司聊城供电公司 | Breaker hydraulic mechanism automatic gas relief device |
-
2016
- 2016-10-31 CN CN201610941865.7A patent/CN106328431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321244A (en) * | 1995-05-23 | 1996-12-03 | Fuji Electric Co Ltd | Arc gas exhaust device of circuit breaker |
| CN203906451U (en) * | 2014-05-07 | 2014-10-29 | 国家电网公司 | Automatic exhaust warning device for breaker hydraulic mechanism |
| CN204204729U (en) * | 2014-09-22 | 2015-03-11 | 贵阳供电局 | Power circuit breaker hydraulic mechanism hydraulic oil depassing unit |
| CN204946842U (en) * | 2015-10-09 | 2016-01-06 | 国家电网公司 | Circuit breaker Intelligent exhaust device |
| CN105914060A (en) * | 2016-05-10 | 2016-08-31 | 国网山东省电力公司聊城供电公司 | Breaker hydraulic mechanism automatic gas relief device |
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| Publication number | Publication date |
|---|---|
| CN106328431B (en) | 2018-07-03 |
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