CN105351275A - Integrated valve and circuit breaker hydraulic operating mechanism with integrated valve - Google Patents
Integrated valve and circuit breaker hydraulic operating mechanism with integrated valve Download PDFInfo
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- CN105351275A CN105351275A CN201510748170.2A CN201510748170A CN105351275A CN 105351275 A CN105351275 A CN 105351275A CN 201510748170 A CN201510748170 A CN 201510748170A CN 105351275 A CN105351275 A CN 105351275A
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Abstract
The invention relates to an integrated valve and a circuit breaker hydraulic operating mechanism with the integrated valve. The circuit breaker hydraulic operating mechanism comprises a work cylinder, an oil pump, the integrated valve and a control valve. The integrated valve comprises a valve body and a valve element assembly. The valve element assembly comprises an outer valve element and an inner valve element arranged in the outer valve element. The valve body is provided with a control opening, an oil drainage opening, an oil supply opening and a work opening. The valve element assembly is provided with an opening station which enables the work opening and the oil drainage opening to be communicated and enables the inner valve element to separate the work opening and the oil supply opening. The valve element assembly is further provided with a closing station which enables the outer valve element to separate the work opening and the oil drainage opening and enables the inner valve element to be communicated with the work opening and the oil supply opening. The technical problems that in the prior art, an oil supply valve and an oil drainage valve are independently arranged, and consequently the occupied valve body space is large, and the size of a circuit breaker hydraulic operating mechanism is large are solved; space is saved; and the circuit breaker hydraulic operating mechanism is integrated better and is smaller in size.
Description
Technical field
The present invention relates to integrated valve and use the breaker hydraulic operation mechanism of this integrated valve.
Background technique
Along with the develop rapidly of science and technology, primary cut-out technology is also in continuous progress, and the extensive use of the arc quenching principles such as self extinguishing type, compound compressed air type, simulation means is popularized gradually, for circuit breaker miniaturization, Integration Design provide strong technical support.Operating device as the important component part of circuit breaker, its miniaturization, the integrated important topic becoming circuit breaker miniaturization.Traditional hydraulic mechanism forms primarily of three essential elements: clutch release slave cylinder (driving contact), reservoir pressure device (storage drive high pressure oil), oil pump (comprising the fuel tank of fuel feeding, oil extraction).These three cellular installations are on firm pedestal, and be connected by pipeline, it is bulky, connecting pipeline is many, sealing part is many, and entirety seems heavy, and easy leakage of oil, reliability are low.Be disclose a kind of hydraulic operating mechanism for high-voltage circuit breaker in the Chinese invention patent file of CN2119711U at Authorization Notice No., this mechanism has carried out Integration Design, by separating brake one-step valve, combined floodgate one-step valve, secondary valve, fuel outlet valve, clutch release slave cylinder is designed to an entirety, exterior line is not needed to connect between them, decrease leakage of oil point, the volume of mechanism also reduces and weight saving, be independent setting for the valve of sub-switching operation and closing operation in this mechanism, relatively take up room, and when spool 16 and spool 29 mediate, system can not set up oil pressure, need manual promotion push rod 8, spool 16 and spool 29 are resetted and re-establishes pressure, operation more complicated, separating brake one-step valve and combined floodgate one-step valve are also that split is arranged, and structure is relative complex also, and leakage point is more.
Summary of the invention
The object of the present invention is to provide integrated valve, to solve in prior art for the valve of sub-switching operation and closing operation as independent setting, cause taking the larger technical problem of valve space.The present invention also aims to provide the breaker hydraulic operation mechanism using above-mentioned integrated valve.
For achieving the above object, the technological scheme that integrated valve of the present invention adopts is:
Integrated valve, described integrated valve comprises valve body and mangetic core assembly, described mangetic core assembly comprises the outer spool being arranged on guiding movement in left-right direction in valve body and the inner spool being arranged on guiding movement in left-right direction in described outer spool, valve body is provided with control mouth, oil drain out, for the oil supply port that is connected with the rod chamber of relevant work cylinder and the working hole for being connected with the rodless cavity of described clutch release slave cylinder, outer spool is separated into spaced first chamber in left-right direction by inner spool, second chamber and the 3rd chamber, control mouth and the 3rd chamber, oil supply port and the second chamber, working hole and the first chamber, mangetic core assembly has makes working hole towards driving outer spool when moving right towards moving right at inner spool, oil drain out is communicated with, inner spool is by partition first chamber simultaneously, second chamber and cut off working hole, the separating brake station of oil supply port, mangetic core assembly also has towards making outer spool cut off working hole, oil drain out when moving left, and simultaneously inner spool is by connection first chamber, the second chamber and be communicated with the combined floodgate station of working hole and oil supply port.
Be provided with between inside and outside spool and apply to force inner spool towards the inner spool Returnning spring of partition first chamber, the second chamber direction movement towards right direction active force to inner spool.
Be provided with outside spool between outer spool and valve body apply towards left direction active force and force outer spool towards the outer valve core reseting spring cutting off oil drain out, the movement of working hole direction.
Described valve body is provided with opening the first valve pocket to the right that axis extends in left-right direction, described outer spool guiding movement is installed in the first valve pocket, described outer spool is provided with opening the second valve pocket to the right that axis extends in left-right direction, and described inner spool guiding movement is assemblied in the second valve pocket; Described working hole, oil supply port and control mouth on valve body from left to right interval arrange and be communicated with the first valve pocket respectively; Described oil drain out is opened in bottom the first valve pocket, and the end face around the oil drain out bottom the left end face of described outer spool and the first valve pocket forms the first sealed mouth of oil drain out and working hole; Described inner spool comprises the first flap and is arranged at the first piston coordinated with the second valve pocket left and right guiding movement on the right side of the first flap, first flap is connected to realize linking by connecting rod with first piston, be the first chamber on the left of first flap in described second valve pocket, being the second chamber between described first flap and first piston, is the 3rd chamber on the right side of first piston; The inwall of the first chamber of described outer spool, the second chamber, the 3rd chamber is radially respectively arranged with the first fluid through hole, the second fluid through hole and the 3rd fluid through hole that are communicated with relevant work mouth, oil supply port and control mouth; Working hole on described first valve pocket inwall, oil supply port, control mouth place arrange respectively first ring connected in star, the second annular groove with the 3rd annular groove to make outer spool move axially time working hole, oil supply port keep being communicated with corresponding fluid through hole all the time with control mouth; Be provided with to make valve body and outer spool keep the seal ring sealed between adjacent two annular grooves; The first fluid through hole on the second valve pocket inwall and its axis of spaced winding of the second fluid through hole are provided with a whole circle annular boss; Described first flap is positioned on the left of annular boss, and between the second fluid through hole of first piston on the right side of annular boss and the 3rd fluid through hole, described first flap and annular boss form the second sealed mouth of oil supply port and working hole.
Described integrated valve also comprises valve gap, described valve gap is provided with the 4th annular groove for placing the first Returnning spring, described 4th annular groove inside is provided with and seals with the second valve pocket the seal boss leading and coordinate, and described seal boss is provided with the limited step preventing outer spool from moving right.
Breaker hydraulic operation mechanism of the present invention adopts following technological scheme: breaker hydraulic operation mechanism, comprise clutch release slave cylinder, integrated valve, control valve and fuel tank, described clutch release slave cylinder comprises rod chamber and rodless cavity, described integrated valve comprises valve body and mangetic core assembly, described mangetic core assembly comprises the outer spool being arranged on guiding movement in left-right direction in valve body and the inner spool being arranged on guiding movement in left-right direction in described outer spool, valve body is provided with control mouth, oil drain out, for the oil supply port that is connected with the rod chamber of relevant work cylinder and the working hole for being connected with the rodless cavity of described clutch release slave cylinder, outer spool is separated into spaced first chamber in left-right direction by inner spool, second chamber and the 3rd chamber, control mouth and the 3rd chamber, oil supply port and the second chamber, working hole and the first chamber, mangetic core assembly has makes working hole towards driving outer spool when moving right towards moving right at inner spool, oil drain out is communicated with, inner spool is by partition first chamber simultaneously, second chamber and cut off working hole, the separating brake station of oil supply port, mangetic core assembly also has towards making outer spool cut off working hole, oil drain out when moving left, and simultaneously inner spool is by connection first chamber, the second chamber and be communicated with the combined floodgate station of working hole and oil supply port.
Be provided with between inside and outside spool and apply to force inner spool towards the inner spool Returnning spring of partition first chamber, the second chamber direction movement towards right direction active force to inner spool.
Be provided with outside spool between outer spool and valve body apply towards left direction active force and force outer spool towards the outer valve core reseting spring cutting off oil drain out, the movement of working hole direction.
Described valve body is provided with opening the first valve pocket to the right that axis extends in left-right direction, described outer spool guiding movement is assemblied in the first valve pocket, described outer spool is provided with opening the second valve pocket to the right that axis extends in left-right direction, and described inner spool guiding movement is assemblied in the second valve pocket; Described working hole, oil supply port and control mouth on valve body from left to right interval arrange and be communicated with the first valve pocket respectively; Described oil drain out is opened in bottom the first valve pocket, and the end face around the oil drain out bottom the left end face of described outer spool and the first valve pocket forms the first sealed mouth of oil drain out and working hole; Described inner spool comprises on the right side of the first flap and the first flap and moves left and right with the second valve pocket the first piston leading and coordinate, first flap is connected to realize linking by connecting rod with first piston, be the first chamber on the left of first flap in described second valve pocket, being the second chamber between described first flap and first piston, is the 3rd chamber on the right side of first piston; The inwall of the first chamber of described outer spool, the second chamber, the 3rd chamber is radially respectively arranged with the first fluid through hole, the second fluid through hole and the 3rd fluid through hole that are communicated with relevant work mouth, oil supply port and control mouth; Working hole on described first valve pocket inwall, oil supply port, control mouth place arrange respectively first ring connected in star, the second annular groove with the 3rd annular groove to make outer spool move axially time working hole, oil supply port keep being communicated with corresponding fluid through hole all the time with control mouth; Be provided with to make valve body and outer spool keep the seal ring sealed between adjacent two annular grooves; The first fluid through hole on the second valve pocket inwall and its axis of spaced winding of the second fluid through hole are provided with a whole circle annular boss; Described first flap is positioned on the left of annular boss, and between the second fluid through hole of first piston on the right side of annular boss and the 3rd fluid through hole, described first flap and annular boss form the second sealed mouth of oil supply port and working hole.
Described selector valve comprises the valve pocket that is provided with the 3rd valve pocket that axis extends along left and right direction and to lead the 3rd spool coordinating and can move left and right with the 3rd valve pocket, and described 3rd spool comprises two way sealed flap and its two ends and seals linking the second piston arranged with two way sealed flap of leading and coordinate respectively with the 3rd valve pocket; The inwall of the 3rd valve pocket intermediate portion is provided with five rings connected in star around its axis, the left and right sidewall of five rings connected in star is respectively equipped with the valve pocket sealing surface be sealed and matched with two way sealed flap, the left and right sides of two way sealed flap is respectively equipped with the valve clack sealing surface be sealed and matched with connected in star left and right, five rings sidewall; Described five rings connected in star is communicated with the 3rd valve pocket controlled on the left of mouth, five rings connected in star and is communicated with oil drain out, is communicated with oil supply port on the right side of the connected in star of five rings.
The invention has the beneficial effects as follows: the mangetic core assembly of integrated valve used in this breaker hydraulic operation mechanism comprises outer spool and inner spool, valve body is provided with and controls mouth, oil drain out, oil supply port and the working hole for being connected with the rodless cavity of described clutch release slave cylinder for being connected with the rod chamber of relevant work cylinder, mangetic core assembly has makes working hole, oil drain out be communicated with towards driving outer spool when moving right towards moving right at inner spool, while inner spool by partition first chamber, the second chamber and cut off the separating brake station of working hole, oil supply port; Mangetic core assembly also has towards making outer spool cut off working hole, oil drain out when moving left, and simultaneously inner spool is by connection first chamber, the second chamber and be communicated with the combined floodgate station of working hole and oil supply port.Inner spool mobile guide is engaged in outer valve core inside, and just can meet separating brake and two kinds of station requirements of closing a floodgate by a mangetic core assembly, structure is compacter, and compare and save space, make breaker hydraulic operation mechanism more integrated, volume is less.
Further, the delivery valve in the present invention and draining valve are all provided with Returnning spring, and delivery valve and oil extraction can be made to automatically reset after pressure reduces, there will not be spool in neutral position, cause system can not build-up pressure, need manual hand manipulation, operate cumbersome technical problem.
Closer, the control valve in the present invention is the two-bit triplet structure of integral type, and simple to operate, oil circuit switches and more accelerates.
Accompanying drawing explanation
Fig. 1: be the plan view of the specific embodiment of breaker hydraulic operation mechanism in the application;
Fig. 2: be the right elevation of Fig. 1;
Fig. 3: be the fundamental diagram of breaker hydraulic operation mechanism in the application.
In figure: 1-clutch release slave cylinder; 11-the three piston; 12-rodless cavity; 13-rod chamber; 2-integrated valve; 21-integrated valve valve body; 210 oil supply ports; 212-first ring connected in star; 213-the second annular groove; 214-the three annular groove; 215-oil drain out; 218-control mouth; 219-working hole; 22-valve gap; 221-seal boss; 222-the four annular groove; 23-outer spool; 231-the first fluid through hole; 232-the second fluid through hole; 233-the three fluid through hole; 234-the second valve pocket; 235 annular boss; 24-inner spool; 241-first piston; 242-the first flap; 243-connecting rod; 25-the second Returnning spring; 26-the first Returnning spring; 3-control valve; 33-valve pocket; 331-the three valve pocket; 332-the five rings connected in star; 34-two way sealed flap; 35-the second piston; 36-control valve rod; 4-oil pump; 5-pressure switch; 6-fuel tank; 7-accumulator; 8-motor; 9-working contact.
Embodiment
Below in conjunction with the specific embodiment of breaker hydraulic operation mechanism and accompanying drawing thereof, the present invention is described in detail: this breaker hydraulic operation mechanism as shown in Figure 1-2: it adopts modular design, general arrangement is compact, size is little, lightweight, be applicable to GIS and open type circuit breaker.This integrated hydraulic operating device comprises clutch release slave cylinder 1, accumulator 7, integrated valve 2, control valve 3, pressure switch 5, oil pump 4, fuel tank 6 and motor 8.Arrange centered by clutch release slave cylinder, clutch release slave cylinder 1, to connect by the oil circuit being arranged on all parts inside between integrated valve 2 and control valve 3.
As shown in Figure 3: clutch release slave cylinder 1 comprises rod chamber 13, rodless cavity 12 and is arranged at the 3rd piston 11 in clutch release slave cylinder 1, and rod chamber 13 is communicated with oil supply port 210 with oil pump 4, and rodless cavity 12 is communicated with working hole 219; Being moved up and down in rodless cavity 12 by the 3rd piston 11 to drive working contact 9 to complete separating brake and feed motion.
Integrated valve 2 comprises integrated valve valve body 21 and valve gap 22 and mangetic core assembly; Integrated valve valve body 21 is provided with the oil supply port 210 for being connected with the rod chamber of relevant work cylinder 1, for be connected with the rodless cavity of described clutch release slave cylinder working hole 219, control mouth 218 and oil drain out 215, mangetic core assembly comprises outer spool 23 and inner spool 24; Integrated valve valve body 21 is provided with opening the first valve pocket to the right that axis extends in left-right direction, outer spool 23 guiding movement is assemblied in the first valve pocket, outer spool 23 is provided with opening the second valve pocket 234 to the right that axis extends in left-right direction, and inner spool 24 guiding movement is assemblied in the second valve pocket 234; Working hole 219, oil supply port 210 and control mouth 218 on valve body from left to right interval arrange and be communicated with the first valve pocket respectively; Oil drain out 215 is opened in bottom the first valve pocket, and the end face around the oil drain out 215 bottom the left end face of outer spool 23 and the first valve pocket forms the first sealed mouth of oil drain out 215 and working hole 219; Inner spool 24 comprises on the right side of the first flap 242 and the first flap 242 and moves left and right with the second valve pocket 234 first piston 241 leading and coordinate, first flap 242 is connected to realize linking by connecting rod 243 with first piston 241, be the first chamber on the left of first flap 242 in second valve pocket 234, being the second chamber between first flap 242 and first piston 241, is the 3rd chamber on the right side of first piston 241; The inwall of the first chamber of outer spool 23, the second chamber, the 3rd chamber is radially respectively arranged with the first fluid through hole 231, the second fluid through hole 232 and the 3rd fluid through hole 233 that are communicated with relevant work mouth 219, oil supply port 210 and control mouth 218; Working hole 219 on first valve pocket inwall, oil supply port 210, control mouth 218 place arrange respectively first ring connected in star 212, second annular groove 213 with the 3rd annular groove 214 to make outer spool 23 move axially time working hole 219, oil supply port 210 with control mouth 218 keep being communicated with corresponding fluid through hole all the time; Be provided with to make integrated valve valve body 21 and outer spool 23 keep the seal ring sealed between adjacent two annular grooves; The first fluid through hole 231 on the second valve pocket 234 inwall and its axis of spaced winding of the second fluid through hole 232 are provided with a whole circle annular boss 235; First flap 242 is positioned on the left of annular boss 235, between the second fluid through hole 232 of first piston 241 on the right side of annular boss 235 and the 3rd fluid through hole 233, the first flap 242 and annular boss 235 form the second sealed mouth of oil supply port 210 and working hole 219.
Valve gap 22 is provided with the 4th annular groove 222 for placing the first Returnning spring 26,4th annular groove 222 inside is provided with and seals with the second valve pocket 234 seal boss 221 leading and coordinate, and seal boss 221 is provided with the limited step preventing outer spool 23 from moving right.
Control valve 3 comprises selector valve and the separating brake solenoid valve at the left and right two ends of selector valve and combined floodgate solenoid valve, selector valve is two-bit triplet structure, comprise the valve pocket 33 that is provided with the 3rd valve pocket 331 that axis extends along left and right direction and to lead the 3rd spool coordinating and can move left and right with the 3rd valve pocket 331,3rd spool comprise two way sealed flap 34 and its two ends seal with the 3rd valve pocket 331 respectively lead coordinate control valve rod 36 with two way sealed flap 34 being connected with between the second piston 35, second piston 35 and two way sealed flap 34 of arranging of linking; The inwall of the 3rd valve pocket 331 intermediate portion is provided with five rings connected in star 332 around its axis, the left and right sidewall of five rings connected in star 332 is respectively equipped with the valve pocket sealing surface be sealed and matched with two way sealed flap 34, the left and right sides of two way sealed flap 34 is respectively equipped with the valve clack sealing surface be sealed and matched with five rings connected in star about 332 sidewall; Five rings connected in star 332 is communicated with the 3rd valve pocket 331 controlled on the left of mouth 218, five rings connected in star 332 and is communicated with oil drain out 215, and the 3rd valve pocket 331 on the right side of five rings connected in star 332 is communicated with oil supply port 210.
Clutch release slave cylinder 1, integrated valve 2, control valve 3 are as a whole, and hydraulic oil liquid transmits by arranging corresponding oil circuit inner between which.
Accumulator 7 comprises grease chamber and gas compartment, and grease chamber is connected by oil circuit with clutch release slave cylinder 1, and gas compartment is filled with nitrogen, can provide pressure by compressed nitrogen for fluid.
Pressure switch 5 is made up of oil pressure switch, high pressure oil drain valve and safety valve.Oil pressure switch can carry out the setting of working value by adjustment stroke, high pressure oil drain valve controls connection and the disconnection of inner height force feed.By making institution staff within the scope of safety pressure to the adjustment of safety valve.
Oil pump 4 is connected with motor 8, and motor is threephase asynchronous machine, and oil pump 4 is plunger pump.Its working principle utilizes pump internal motion and in pump, produces parital vacuum, and make barometric pressure be extruded from fuel tank by fluid and enter oil pump inner chamber, then oil pressure is entered accumulator oil pocket by oil pump.
Fuel tank 6 is connected with oil pump and oil drain out 215, and the function of tonic chord stores for the heat produced when the fluid needed for systemic circulation, emanation system work, the impurity discharged in the gas that is mixed in fluid and precipitation fluid.
By carrying out Integration Design to above function module, finally achieve modularization, without pipe arrangement, few leakage of oil, high performance designing requirement.
As shown in Figure 3: the working principle of this breaker hydraulic operation mechanism is:
When sub-switching operation: after receiving separating brake instruction, separating brake solenoid valve is powered, 3rd spool of selector valve moves right, on the right side of the right side sealing surface of two way sealed flap 34 and five rings connected in star, sealing surface is airtight, control mouth 218 and be communicated to oil drain out 215, thus cause the pressure on the right side of the first piston 241 in the second valve pocket 234 to reduce.Now, the inner spool 24 of delivery valve drives the outer spool 23 of draining valve to move right, open its sealing valve port between working hole 219 and oil drain out 215, high pressure oil drains into fuel tank 6 fast by working hole 219, it is mobile that high pressure oil above 3rd piston 11 promotes its downward (separating brake direction), promotes breaker body quick acting switching-off.Under the effect of the first Returnning spring 26, the outer spool 23 of draining valve is moved to the left subsequently, and the sealed mouth between working hole 219 and oil drain out 215 is closed.In whole separating brake process, the inner spool 24 of delivery valve follows outer spool 23 molar behavior (delivery valve is in draining valve inner chamber) of draining valve.
When closing operation: receive reclosing command, combined floodgate solenoid valve is powered, 3rd spool of selector valve is moved to the left, on the left of the left side sealing surface of two way sealed flap 34 and five rings connected in star, sealing surface is airtight, control mouth 218 and be communicated to working hole 219, high pressure oil enters to there being mouth 210, thus causes the pressure increase on the right side of the first piston 241 in the second valve pocket 234.Now, the inner spool of delivery valve is moved to the left under the promotion of high pressure oil, open the sealing valve port between annular boss 235 and the first flap 242, high pressure oil enters working hole 219 by the first fluid through hole 231, and then entering rodless cavity 12, the 3rd piston about 11 is all high pressure oil, but the compression area of below is greater than the compression area of top, under the effect of pressure difference, the 3rd piston 11 upwards (combined floodgate direction) is mobile.Promotion breaker body closes a floodgate.Subsequently under the effect of the second Returnning spring 25 inner spool of delivery valve to moving right, sealing valve port between annular boss 235 and the first flap 242 is closed, whole making process, the outer spool 23 of draining valve, under the effect of the first Returnning spring 26, keeps the sealed mouth between working hole 219 and oil drain out 215 to close always.
The specific embodiment of integrated valve is the same with the embodiment of the integrated valve in each embodiment of above-mentioned breaker hydraulic operation mechanism, does not repeat them here.
Claims (10)
1. integrated valve, it is characterized in that: described integrated valve comprises valve body and mangetic core assembly, described mangetic core assembly comprises the outer spool being arranged on guiding movement in left-right direction in valve body and the inner spool being arranged on guiding movement in left-right direction in described outer spool, valve body is provided with control mouth, oil drain out, for the oil supply port that is connected with the rod chamber of relevant work cylinder and the working hole for being connected with the rodless cavity of described clutch release slave cylinder, outer spool is separated into spaced first chamber in left-right direction by inner spool, second chamber and the 3rd chamber, control mouth and the 3rd chamber, oil supply port and the second chamber, working hole and the first chamber, mangetic core assembly has makes working hole towards driving outer spool when moving right towards moving right at inner spool, oil drain out is communicated with, inner spool is by partition first chamber simultaneously, second chamber and cut off working hole, the separating brake station of oil supply port, mangetic core assembly also has towards making outer spool cut off working hole, oil drain out when moving left, and simultaneously inner spool is by connection first chamber, the second chamber and be communicated with the combined floodgate station of working hole and oil supply port.
2. integrated valve according to claim 1, is characterized in that: be provided with between inside and outside spool and apply to force inner spool towards the inner spool Returnning spring of partition first chamber, the second chamber direction movement towards right direction active force to inner spool.
3. integrated valve according to claim 1, is characterized in that: be provided with outside spool between outer spool and valve body and apply towards left direction active force and force outer spool towards the outer valve core reseting spring cutting off oil drain out, the movement of working hole direction.
4. integrated valve according to claim 1, it is characterized in that: described valve body is provided with opening the first valve pocket to the right that axis extends in left-right direction, described outer spool guiding movement is installed in the first valve pocket, described outer spool is provided with opening the second valve pocket to the right that axis extends in left-right direction, and described inner spool guiding movement is assemblied in the second valve pocket; Described working hole, oil supply port and control mouth on valve body from left to right interval arrange and be communicated with the first valve pocket respectively; Described oil drain out is opened in bottom the first valve pocket, and the end face around the oil drain out bottom the left end face of described outer spool and the first valve pocket forms the first sealed mouth of oil drain out and working hole; Described inner spool comprises the first flap and is arranged at the first piston coordinated with the second valve pocket left and right guiding movement on the right side of the first flap, first flap is connected to realize linking by connecting rod with first piston, be the first chamber on the left of first flap in described second valve pocket, being the second chamber between described first flap and first piston, is the 3rd chamber on the right side of first piston; The inwall of the first chamber of described outer spool, the second chamber, the 3rd chamber is radially respectively arranged with the first fluid through hole, the second fluid through hole and the 3rd fluid through hole that are communicated with relevant work mouth, oil supply port and control mouth; Working hole on described first valve pocket inwall, oil supply port, control mouth place arrange respectively first ring connected in star, the second annular groove with the 3rd annular groove to make outer spool move axially time working hole, oil supply port keep being communicated with corresponding fluid through hole all the time with control mouth; Be provided with to make valve body and outer spool keep the seal ring sealed between adjacent two annular grooves; The first fluid through hole on the second valve pocket inwall and its axis of spaced winding of the second fluid through hole are provided with a whole circle annular boss; Described first flap is positioned on the left of annular boss, and between the second fluid through hole of first piston on the right side of annular boss and the 3rd fluid through hole, described first flap and annular boss form the second sealed mouth of oil supply port and working hole.
5. integrated valve according to claim 4, it is characterized in that: described integrated valve also comprises valve gap, described valve gap is provided with the 4th annular groove for placing the first Returnning spring, described 4th annular groove inside is provided with and seals with the second valve pocket the seal boss leading and coordinate, and described seal boss is provided with the limited step preventing outer spool from moving right.
6. breaker hydraulic operation mechanism, comprise clutch release slave cylinder, integrated valve, control valve and fuel tank, described clutch release slave cylinder comprises rod chamber and rodless cavity, it is characterized in that: described integrated valve comprises valve body and mangetic core assembly, described mangetic core assembly comprises the outer spool being arranged on guiding movement in left-right direction in valve body and the inner spool being arranged on guiding movement in left-right direction in described outer spool, valve body is provided with control mouth, oil drain out, the oil supply port be connected with the rod chamber of relevant work cylinder and the working hole be connected with the rodless cavity of described clutch release slave cylinder, outer spool is separated into spaced first chamber in left-right direction by inner spool, second chamber and the 3rd chamber, control mouth and the 3rd chamber, oil supply port and the second chamber, working hole and the first chamber, mangetic core assembly has makes working hole towards driving outer spool when moving right towards moving right at inner spool, oil drain out is communicated with, inner spool is by partition first chamber simultaneously, second chamber and cut off working hole, the separating brake station of oil supply port, mangetic core assembly also has towards making outer spool cut off working hole, oil drain out when moving left, and simultaneously inner spool is by connection first chamber, the second chamber and be communicated with the combined floodgate station of working hole and oil supply port.
7. breaker hydraulic operation mechanism according to claim 6, is characterized in that: be provided with between inside and outside spool and apply to force inner spool towards the inner spool Returnning spring of partition first chamber, the second chamber direction movement towards right direction active force to inner spool.
8. breaker hydraulic operation mechanism according to claim 6, is characterized in that: be provided with outside spool between outer spool and valve body and apply towards left direction active force and force outer spool towards the outer valve core reseting spring cutting off oil drain out, the movement of working hole direction.
9. breaker hydraulic operation mechanism according to claim 6, it is characterized in that: described valve body is provided with opening the first valve pocket to the right that axis extends in left-right direction, described outer spool guiding movement is assemblied in the first valve pocket, described outer spool is provided with opening the second valve pocket to the right that axis extends in left-right direction, and described inner spool guiding movement is assemblied in the second valve pocket; Described working hole, oil supply port and control mouth on valve body from left to right interval arrange and be communicated with the first valve pocket respectively; Described oil drain out is opened in bottom the first valve pocket, and the end face around the oil drain out bottom the left end face of described outer spool and the first valve pocket forms the first sealed mouth of oil drain out and working hole; Described inner spool comprises on the right side of the first flap and the first flap and moves left and right with the second valve pocket the first piston leading and coordinate, first flap is connected to realize linking by connecting rod with first piston, be the first chamber on the left of first flap in described second valve pocket, being the second chamber between described first flap and first piston, is the 3rd chamber on the right side of first piston; The inwall of the first chamber of described outer spool, the second chamber, the 3rd chamber is radially respectively arranged with the first fluid through hole, the second fluid through hole and the 3rd fluid through hole that are communicated with relevant work mouth, oil supply port and control mouth; Working hole on described first valve pocket inwall, oil supply port, control mouth place arrange respectively first ring connected in star, the second annular groove with the 3rd annular groove to make outer spool move axially time working hole, oil supply port keep being communicated with corresponding fluid through hole all the time with control mouth; Be provided with to make valve body and outer spool keep the seal ring sealed between adjacent two annular grooves; The first fluid through hole on the second valve pocket inwall and its axis of spaced winding of the second fluid through hole are provided with a whole circle annular boss; Described first flap is positioned on the left of annular boss, and between the second fluid through hole of first piston on the right side of annular boss and the 3rd fluid through hole, described first flap and annular boss form the second sealed mouth of oil supply port and working hole.
10. breaker hydraulic operation mechanism according to claim 6, it is characterized in that: described selector valve comprises the valve pocket that is provided with the 3rd valve pocket that axis extends along left and right direction and to lead the 3rd spool coordinating and can move left and right with the 3rd valve pocket, described 3rd spool comprises two way sealed flap and its two ends and seals linking the second piston arranged with two way sealed flap of leading and coordinate respectively with the 3rd valve pocket; The inwall of the 3rd valve pocket intermediate portion is provided with five rings connected in star around its axis, the left and right sidewall of five rings connected in star is respectively equipped with the valve pocket sealing surface be sealed and matched with two way sealed flap, the left and right sides of two way sealed flap is respectively equipped with the valve clack sealing surface be sealed and matched with connected in star left and right, five rings sidewall; Described five rings connected in star is communicated with the 3rd valve pocket controlled on the left of mouth, five rings connected in star and is communicated with oil drain out, is communicated with oil supply port on the right side of the connected in star of five rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510748170.2A CN105351275A (en) | 2015-11-06 | 2015-11-06 | Integrated valve and circuit breaker hydraulic operating mechanism with integrated valve |
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| CN201510748170.2A CN105351275A (en) | 2015-11-06 | 2015-11-06 | Integrated valve and circuit breaker hydraulic operating mechanism with integrated valve |
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| CN105351275A true CN105351275A (en) | 2016-02-24 |
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| CN201510748170.2A Pending CN105351275A (en) | 2015-11-06 | 2015-11-06 | Integrated valve and circuit breaker hydraulic operating mechanism with integrated valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708885A (en) * | 2018-08-10 | 2018-10-26 | 苏州劳灵精密机械有限公司 | Valve barrel integrated component, piston cylinder start module and modular fluid transmission device |
| CN109764152A (en) * | 2018-12-19 | 2019-05-17 | 河南平高电气股份有限公司 | A kind of hydraulic actuating mechanism and its hydraulic control valve |
| CN112503044A (en) * | 2020-03-20 | 2021-03-16 | 国网上海市电力公司 | Hydraulic control valve and hydraulic operating mechanism |
| WO2022088418A1 (en) * | 2020-10-26 | 2022-05-05 | 平高集团有限公司 | Hydraulic control valve, hydraulic operating mechanism using hydraulic control valve, and circuit breaker |
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| CN108708885A (en) * | 2018-08-10 | 2018-10-26 | 苏州劳灵精密机械有限公司 | Valve barrel integrated component, piston cylinder start module and modular fluid transmission device |
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| CN112503044A (en) * | 2020-03-20 | 2021-03-16 | 国网上海市电力公司 | Hydraulic control valve and hydraulic operating mechanism |
| CN112503044B (en) * | 2020-03-20 | 2022-12-16 | 国网上海市电力公司 | Hydraulic control valve and hydraulic operating mechanism |
| WO2022088418A1 (en) * | 2020-10-26 | 2022-05-05 | 平高集团有限公司 | Hydraulic control valve, hydraulic operating mechanism using hydraulic control valve, and circuit breaker |
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Application publication date: 20160224 |