CN2582142Y - Hydraulic spring operating mechanism - Google Patents
Hydraulic spring operating mechanism Download PDFInfo
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- CN2582142Y CN2582142Y CN 02280815 CN02280815U CN2582142Y CN 2582142 Y CN2582142 Y CN 2582142Y CN 02280815 CN02280815 CN 02280815 CN 02280815 U CN02280815 U CN 02280815U CN 2582142 Y CN2582142 Y CN 2582142Y
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Abstract
The utility model relates to a hydraulic spring operating mechanism. The utility model is mainly composed of a box body, a working cylinder, a piston cylinder for storing energy, an oil pump motor, an electromagnetic valve, an acetabuliform spring, an auxiliary switch, an oil tank, a safety valve, an oil drain valve, a manually switch closing and switch dividing apparatus and a mechanical lock for depressurization protection. The utility model is characterized in that due to the adoption of the design proposal of energy storage by the acetabuliform spring, oil pressure can not be influenced by the environment; the switch closing operation and the switch dividing operation are all controlled by a hydraulic valve, and the control property is very reliable; due to the adoption of hydraulic transmission power, the utility model can has high speed action and great output power; due to the adoption of an integrated package structure, a hydraulic pipeline can be omitted, and the volume can be decreased to about 60 percents when compared with a hydraulic mechanism with the same power. The utility model is mainly used for the switch closing and dividing operation of a breaker in the field of high voltage electrical apparatuses.
Description
Technical field: the utility model relates to a kind of hydraulic pressure spring operating mechanism, is mainly used in circuit breaker breaking-closing operating in the High-Voltage Electrical Appliances industry.
Background technology: be used for High-Voltage Electrical Appliances circuit-breaker switching on-off apparatus operating at present,, exist that volume is big, operating reliability is poor, be subjected to temperature influences greatly, noise is excessive, optional equipment is complicated shortcoming as steam-operating mechanism.Existing hydraulic actuating mechanism (energy storage nitrogen) is influenced greatly by temperature, the workpiece complexity, and volume is bigger, and cost is too high, and leakage of oil, oil impregnate phenomenon can't solve,
Summary of the invention: the purpose of this utility model is at above-mentioned the deficiencies in the prior art, and provide a kind of structural design that adopts dish spring energy storage, and the hydraulic pressure spring operating mechanism that control characteristic is reliable, mechanism action speed is fast, power output is big, the life-span is long to people.For achieving the above object; the utility model adopts following technical proposals: hydraulic pressure spring operating mechanism is mainly by casing, working cylinder, energy storage piston cylinder, Oil pump electrical machinery, electromagnetically operated valve, disk spring, auxiliary switch, fuel tank, safety valve, gate gurgle valve, and manually branch, closing device and o-volt protection mechanical lock are formed.Its concrete structure is: the lower flange of support (1) and flange (52) are used bolt, and butterfly spring (14) is fixed with double threaded screw (53) and supporting plate (3), lower flange (54), and by being bolted to the lower end of support (1).Establish working cylinder piston bar (13) in the working cylinder in the working cylinder assembly (16), energy storage piston (12) is housed on the working cylinder piston bar (13), the lower end of working cylinder (16) is provided with splitting lock cushioning assembling (25), and by bolt above-mentioned working cylinder assembly is fixed on the flange (52).Side's plate (21) is fixed by bolts to the junction of working cylinder (16) and lower plate (21).The one-level valve assembly comprises close a floodgate a step valve (19) and separating brake one step valve (15), set up making electromagnet (17) and tripping electromagnet (18) in it separately, be provided with steel ball (20) in valve (19) and the valve (15), the secondary valve assembly comprises combined floodgate spool (22) and separating brake spool (23), the one-level valve assembly is fixed on the corresponding position of secondary valve assembly, the I and II valve of combination is fixed by bolts to the lower end of working cylinder (16).Gate gurgle valve (6) is fixed on the side of working cylinder (16).Oil pump (7) is fixed on fuel tank (24) wall, with after high-pressure oil pipe connects with below fuel tank (24) side's of being fixed on plate (21), motor (8) is installed in the installing hole of fuel tank (24) and uses bolted.
Characteristics of the present utility model are: 1, adopt the disk spring energy storage, oil pressure is not affected by environment; 2, branch, closing operation are controlled by hydraulic valve, and control characteristic is very reliable; 3, because of adopting hydraulic pressure transfer power, mechanism action speed is fast, and power output is big; 4, adopt the integrated package structure, no hydraulic tube road is with the hydraulic mechanism comparison volume-diminished nearly 60% with constant power; 5, Hydraulic Elements all are enclosed in the fuel tank, and form oil pump and suppress self-circulation system, the not outer oil impregnate of mechanism, long-time running does not need oiling; 6, gate gurgle valve has pressure release and exhaust dual-use function, and safety valve action accuracy rate can reach 100%; 7, the mechanism action system is a full hydraulic, has very high mechanism's life-span; 8, mechanism is provided with manual divide-shut brake button, have slowly divide, close slowly and anti-ly automatically divide slowly, the anti-function of closing slowly.Have mechanical locking during zero oil pressure, mechanism is locked in closing position; 9, when not tearing main frame open, casing, fuel tank are dismantled and assembled, and Installation and Debugging are easy to maintenance.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of mechanical lock among Fig. 1.
Fig. 3 is a secondary valve structural representation among Fig. 1.
With reference to Fig. 1, hydraulic pressure spring operating mechanism is mainly by casing, working cylinder, energy storage piston cylinder, Oil pump electrical machinery, electromagnetically operated valve, disk spring, auxiliary switch, fuel tank, safety valve, gate gurgle valve, and manually branch, closing device and o-volt protection mechanical lock are formed.Its concrete structure is: the lower flange of support 1 is equipped with power output connector 11, power output connector 11 is connected with auxiliary switch 2 and mechanical lock 10, and be provided with supporting plate 3 and use bolt with flange 52, safety valve 4 is contained in the upper end of working cylinder 16, butterfly spring 14 usefulness double threaded screws 53 are fixed with supporting plate 3, lower flange 54, and by being bolted to the lower end of support 1.Establish working cylinder piston bar 13 in the working cylinder 16 in the working cylinder assembly, energy storage piston 12 is housed on the working cylinder piston bar 13, the lower end of working cylinder 16 is provided with splitting lock cushioning assembling 25, and by bolt above-mentioned working cylinder assembly is fixed on the flange 52.Side's plate 21 is fixed by bolts to the junction of working cylinder 16 and lower plate 21, side's plate 21 is equipped with pressure control travel switch 5, the one-level valve assembly comprises close a floodgate a step valve 19 and separating brake one step valve 15, set up making electromagnet 17 and tripping electromagnet 18 in it separately, be provided with steel ball 20 in valve 19 and the valve 15, the secondary valve assembly comprises combined floodgate spool 22, separating brake spool 23, valve core reseting spring 9, the one-level valve assembly is fixed on the corresponding position of secondary valve assembly, the I and II valve of combination is fixed by bolts to the lower end of working cylinder 16.Gate gurgle valve 6 is fixed on the side of working cylinder 16.Oil pump 7 is fixed on fuel tank 24 walls, with after high-pressure oil pipe connects with below fuel tank 24 side's of being fixed on plates 21, motor 8 is installed in the installing hole of fuel tank 24 and uses bolted.
With reference to Fig. 2, jam plate 26, V-type spring leaf 27 are put into fixed guide pole 29 grooves, after fixed guide pole 29 is screwed on the flange 52, it is outer and be tightened on the pressing plate 30 that sleeve pipe 28 is enclosed within fixed guide pole 29.
With reference to Fig. 3, valve rod 33 is put into secondary valve valve body 39,39 of valve rod 33 and secondary valve valve bodies are provided with O RunddichtringO 48, and valve seat 47 is provided with plug screw 36, ball holder 34, lays steel ball 20 in the ball holder 34; Divide into valve core reseting spring 9, plug screw 36, O RunddichtringO 37, O RunddichtringO 38 and sealing ring 41 and back-up ring 42 also are housed, and with the valve seat 47 that assembles, be fixed on the tail end-side of valve rod 33, adjuster valve 44 and sealing ring 40 are contained in the hole, combined floodgate valve 49 is put into installing hole, puts into spring 50, sealing ring 43 usefulness screws 45,46 then gland 51 is tightened up.
The utility model operation principle: (1) is when oil pump is suppressed: gate gurgle valve is opened restarted oil pump earlier, air in the hydraulic system is discharged by gate gurgle valve, after discharging oil, gate gurgle valve closes gate gurgle valve, hydraulic oil freely enters energy-storing device by pipeline, jack-up energy storage piston makes spring for accumulating energy, suppress to rated pressure, pressure switch is cut off motor power, suppresses to finish.(2) closing operation: making electromagnet is received the combined floodgate command action, open the step valve steel ball that closes a floodgate, hydraulic oil enters the spool right side, spool is to left movement, backing down spool also moves to the left side, hydraulic oil enters the working cylinder bottom by spool, because bearing area makes piston move upward and carries out feed motion greater than bearing area total pressure above it below the working cylinder piston.(3) sub-switching operation: tripping electromagnet is received the separating brake command action, open separating brake one step valve steel ball, secondary spool right side hydraulic oil is connected by separating brake one step valve and low pressure oil, spool moves right under its left side hydraulic oil promotes, working cylinder bottom and low pressure oil are connected, and secondary valve normal pressure mouth is closed after the motion of spool direction simultaneously.Low pressure has been connected in the working cylinder piston bottom like this, and its top is normal high pressure, makes piston move downward and carries out the separating brake action.(4) divide slowly, slow closing operation: move the secondary valve rod to separating brake position or closing position respectively, start oil pump, mechanism can divide or slow closing operation slowly.(5) pressure release: after turning on gate gurgle valve, the hydraulic oil in mechanism's energy storage cylinder can be drained in the fuel tank by gate gurgle valve.(6) during mechanism's zero-pressure state, closing position keeps: mechanism is under the zero-pressure state, and the position of mechanism keeps dividing mechanical lock to keep slowly by decompression is anti-.(7) the anti-of mechanism divided slowly: when the hydraulic system decompression behind zero pressure, restart oil pump, if when at this moment mechanism is in the closing position state, set up in mechanism that mechanism should not produce branch phenomenon slowly in the oil pressure process.The anti-device that divides slowly of mechanism is to finish by the elastic steel ball lock of installing on the secondary valve spool.(8) pressure of mechanism control: the pressure control of mechanism is finished by pressure switch, and the set-point pressure control of this mechanism is finished by 6 pressure stroke switches respectively.
Claims (3)
1; hydraulic pressure spring operating mechanism; mainly by casing; working cylinder; the energy storage piston cylinder; Oil pump electrical machinery; electromagnetically operated valve; disk spring; auxiliary switch; fuel tank; safety valve; gate gurgle valve; manually divide; closing device and o-volt protection mechanical lock are formed; it is characterized in that: the lower flange of support (1) and flange (52) are used bolt; butterfly spring (14) double threaded screw (53) and supporting plate (3); lower flange (54) is fixing; and by being bolted to the lower end of support (1); establish working cylinder piston bar (13) in the working cylinder in the working cylinder assembly (16); energy storage piston (12) is housed on the working cylinder piston bar (13); the lower end of working cylinder (16) is provided with splitting lock cushioning assembling (25); and above-mentioned working cylinder assembly is fixed on the flange (52) by bolt; side's plate (21) is fixed by bolts to the junction of working cylinder (16) and lower plate (21); the one-level valve assembly comprises close a floodgate a step valve (19) and separating brake one step valve (15); set up making electromagnet (17) and tripping electromagnet (18) in it separately; be provided with steel ball (20) in valve (19) and the valve (15); the secondary valve assembly comprises combined floodgate spool (22) and separating brake spool (23); the one-level valve assembly is fixed on the corresponding position of secondary valve assembly; with one of combination; secondary valve is fixed by bolts to the lower end of working cylinder (16); gate gurgle valve (6) is fixed on the side of working cylinder (16); oil pump (7) is fixed on fuel tank (24) wall; with after high-pressure oil pipe connects with below fuel tank (24) side's of being fixed on plate (21), motor (8) is installed in the installing hole of fuel tank (24) and uses bolted.
2, hydraulic pressure spring operating mechanism according to claim 1, it is characterized in that: described mechanical lock, jam plate (26), V-type spring leaf (27) are put into fixed guide pole (29) groove, after fixed guide pole (29) is screwed on the flange (52), it is outer and be tightened on the pressing plate (30) that sleeve pipe (28) is enclosed within fixed guide pole (29).
3, hydraulic pressure spring operating mechanism according to claim 1, it is characterized in that: described secondary valve structure is that valve rod (33) is put into secondary valve valve body (39), be provided with O RunddichtringO (48) between valve rod (33) and secondary valve valve body (39), valve seat (47) is provided with plug screw (36), ball holder (34), lays steel ball (20) in the ball holder (34); Divide into valve core reseting spring (9), plug screw (36), O RunddichtringO (37), O RunddichtringO (38) and sealing ring (41) and back-up ring (42) also are housed, and with the valve seat (47) that assembles, be fixed on the tail end-side of valve rod (33), adjuster valve (44) and sealing ring (40) are contained in the hole, combined floodgate valve (49) is put into installing hole, puts into spring (50) then, sealing ring (43) tightens up gland (51) with screw (45), (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280815 CN2582142Y (en) | 2002-10-31 | 2002-10-31 | Hydraulic spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280815 CN2582142Y (en) | 2002-10-31 | 2002-10-31 | Hydraulic spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582142Y true CN2582142Y (en) | 2003-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02280815 Expired - Fee Related CN2582142Y (en) | 2002-10-31 | 2002-10-31 | Hydraulic spring operating mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN2582142Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437869C (en) * | 2006-05-25 | 2008-11-26 | 沈阳东华工大高压电器设备有限公司 | Spring hydraulic operating mechanism for high voltage circuit breaker |
| CN100474472C (en) * | 2006-01-25 | 2009-04-01 | 西安西开高压电气股份有限公司 | High power hydraulic actuating mechanism |
| CN101847526A (en) * | 2010-04-27 | 2010-09-29 | 中国西电电气股份有限公司 | Hydraulic spring operation mechanism |
| CN101916677A (en) * | 2010-08-17 | 2010-12-15 | 杨秀丽 | Energy storage device of spring hydraulic control mechanism |
| CN102089840A (en) * | 2008-07-08 | 2011-06-08 | Abb技术有限公司 | Hydraulic stored-energy spring mechanism |
| CN101447361B (en) * | 2008-08-15 | 2011-07-27 | 中国电力科学研究院 | Remaining hydraulic spring mechanism |
| CN101587795B (en) * | 2009-07-01 | 2011-09-21 | 河南平高电气股份有限公司 | Circuit breaker and a system having the circuit breaker |
| CN101170021B (en) * | 2006-09-28 | 2012-05-30 | 三菱电机株式会社 | Switching mechanism |
| CN102592877A (en) * | 2012-02-22 | 2012-07-18 | 王颖 | Working cylinder integrated with control valve and high-power hydraulic spring operating mechanism |
| CN104465245A (en) * | 2014-12-24 | 2015-03-25 | 丹东金桥车辆配件有限公司 | Hydraulic electromagnetic reversing mechanism for high-voltage circuit breaker hydraulic spring operation device |
| CN107120327A (en) * | 2017-03-22 | 2017-09-01 | 河南平高电气股份有限公司 | Breaker and its hydraulically linked operating mechanism |
| CN107799351A (en) * | 2017-10-20 | 2018-03-13 | 尤明泉 | A kind of high-speed switch with composite structure |
-
2002
- 2002-10-31 CN CN 02280815 patent/CN2582142Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100474472C (en) * | 2006-01-25 | 2009-04-01 | 西安西开高压电气股份有限公司 | High power hydraulic actuating mechanism |
| CN100437869C (en) * | 2006-05-25 | 2008-11-26 | 沈阳东华工大高压电器设备有限公司 | Spring hydraulic operating mechanism for high voltage circuit breaker |
| CN101170021B (en) * | 2006-09-28 | 2012-05-30 | 三菱电机株式会社 | Switching mechanism |
| CN102089840A (en) * | 2008-07-08 | 2011-06-08 | Abb技术有限公司 | Hydraulic stored-energy spring mechanism |
| CN101447361B (en) * | 2008-08-15 | 2011-07-27 | 中国电力科学研究院 | Remaining hydraulic spring mechanism |
| CN101587795B (en) * | 2009-07-01 | 2011-09-21 | 河南平高电气股份有限公司 | Circuit breaker and a system having the circuit breaker |
| CN101847526A (en) * | 2010-04-27 | 2010-09-29 | 中国西电电气股份有限公司 | Hydraulic spring operation mechanism |
| CN101847526B (en) * | 2010-04-27 | 2012-07-25 | 中国西电电气股份有限公司 | Hydraulic spring operation mechanism |
| CN101916677B (en) * | 2010-08-17 | 2013-05-22 | 杨秀丽 | Energy storage device of spring hydraulic control mechanism |
| CN101916677A (en) * | 2010-08-17 | 2010-12-15 | 杨秀丽 | Energy storage device of spring hydraulic control mechanism |
| CN102592877A (en) * | 2012-02-22 | 2012-07-18 | 王颖 | Working cylinder integrated with control valve and high-power hydraulic spring operating mechanism |
| CN102592877B (en) * | 2012-02-22 | 2014-06-18 | 王颖 | Working cylinder integrated with control valve and high-power hydraulic spring operating mechanism |
| CN104465245A (en) * | 2014-12-24 | 2015-03-25 | 丹东金桥车辆配件有限公司 | Hydraulic electromagnetic reversing mechanism for high-voltage circuit breaker hydraulic spring operation device |
| CN107120327A (en) * | 2017-03-22 | 2017-09-01 | 河南平高电气股份有限公司 | Breaker and its hydraulically linked operating mechanism |
| CN107120327B (en) * | 2017-03-22 | 2019-01-22 | 河南平高电气股份有限公司 | Breaker and its hydraulically linked operating mechanism |
| CN107799351A (en) * | 2017-10-20 | 2018-03-13 | 尤明泉 | A kind of high-speed switch with composite structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |