CN101933109B - Hydraulic spring-loaded drive - Google Patents
Hydraulic spring-loaded drive Download PDFInfo
- Publication number
- CN101933109B CN101933109B CN200880111985.8A CN200880111985A CN101933109B CN 101933109 B CN101933109 B CN 101933109B CN 200880111985 A CN200880111985 A CN 200880111985A CN 101933109 B CN101933109 B CN 101933109B
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- CN
- China
- Prior art keywords
- energy
- spring
- working cylinder
- ring body
- storaging spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 20
- 230000036316 preload Effects 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/301—Charging means using a fluid actuator
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Fluid-Damping Devices (AREA)
- Lubricants (AREA)
- Actuator (AREA)
Abstract
The invention relates to a hydraulic spring-loaded drive comprising a working cylinder arranged in a working cylinder housing (12), at least one pre-loaded spring (10), at least two pressure pistons (34) that are each arranged in a bore (32) in a sliding displaceable way, and a pressure body (16) arranged concentrically around the working cylinder housing (12), wherein the pre-loaded spring (10) puts fluid present in the bores (32) under pressure by way of the pressure body (16) and the pressure pistons (34). A guide ring (14) is arranged radially between the pressure body (16) and the working cylinder housing (12) such that during tensioning and during release of the pre-loaded spring (10) the guide ring (14) is axially without force and that the pressure body (16) is axially without force when the pre-loaded spring (10) is pre-tensioned.
Description
Technical field
The present invention relates to a kind of hydraulic spring-loaded drive, comprise that the working cylinder that is arranged in the working cylinder housing, at least one energy-storaging spring, at least two are slidably disposed on pressure piston in the piston pin hole and one respectively and are set to concentric ring around the load ring body of working cylinder housing, wherein energy-storaging spring makes that by this load ring body and pressure piston the working fluid that is positioned at piston pin hole is under pressure.
Background technology
A kind of spring energy-storage transmission device of this type is open in patent EP0829892A1, special as wherein shown in Figure 3.Wherein an energy-storaging spring is by a load ring body
And at least two pressure pistons keep a kind of working fluid under pressure.By this working fluid, can promote a drive link (Antriebsstange), described drive link is to be fixedly mounted on the drive piston that can smoothly promote in a working cylinder.Described load ring body preferably is shaped to annular, is set to concentric ring around the working cylinder housing.
During the installation process and maintenance work of spring energy-storage transmission device, hydraulic system all is stress-free.Energy-storaging spring only has only preload in this state, and is stretched over maximum in the axial direction.Energy-storaging spring is pressed on the load ring body on the block on the working cylinder housing, makes the load ring body be clamped between block and the energy-storaging spring thus.
Under the operating state of spring energy-storage transmission device, hydraulic system has remained under the pressure.Energy-storaging spring is in this state by further bias voltage, (hereinafter using load (aufgeladen) to identify) its vertically stretch amplitude reduce.Energy-storaging spring is pressed on the load ring body on the pressure piston, and this load ring body makes that thus working fluid remains under the pressure.The load ring body is clamped between pressure piston and the energy-storaging spring.
On stress-free hydraulic system, be positioned on the position, radially inner side somewhere of block on the load ring body on the working cylinder housing and apply a power with the direction towards energy-storaging spring.And remain on the hydraulic system under the pressure, working fluid is by applying a power with the direction towards energy-storaging spring on the position, radial outside somewhere of pressure piston on the load ring body.Under the both of these case, energy-storaging spring all impose on one of load ring body respectively with aforementioned power equal and opposite in direction, direction opposite reaction.
If but such reaction force is to be applied on the load ring body at radially inner side, having on the hydraulic system of pressure so, the power that reaction force and pressure piston apply is misplaced with regard to the external force that has occurred directly making progress.If such reaction force is to be applied on the load ring body at radial outside, on stress-free hydraulic system, the power that reaction force and block apply is misplaced with regard to the external force that has occurred directly making progress so.
The external force that such footpath makes progress is misplaced and may causes making the load ring body be twisted distortion under higher relatively external force effect.
Summary of the invention
Task of the present invention is, realizes the further improvement of hydraulic spring-loaded drive that preamble is spoken of, and the external force of avoiding the footpath on the load ring body wherein to make progress is misplaced.
According to the present invention, between load ring body and working cylinder housing, be provided with a kind of like this guide ring of shape diametrically, make the unable in the axial direction loading of guide ring in energy-storaging spring bias voltage process and release pressure process and the unable in the axial direction loading of load ring body under the state of energy-storaging spring preload.
In energy-storaging spring bias voltage process and release pressure process, energy-storaging spring is oppressed on the load ring body in the radial outside position, and this position equates with the distance of pressure piston to the central shaft of working cylinder housing.Like this in energy-storaging spring bias voltage process and release pressure process, the external force that just can avoid making progress in load ring body and the footpath on guide ring is misplaced.
Under the energy-storaging spring condition of preload, energy-storaging spring is oppressed on guide ring in the radially inner side position, and this position equates with the distance of block to the central shaft of working cylinder housing.Like this under the energy-storaging spring condition of preload, the external force that just can avoid making progress in load ring body and the footpath on guide ring is misplaced.
A kind of execution mode that has superiority is provided with a gib block in the guide ring inboard according to the present invention.
Gib block can improve the slip property of guide ring on the working cylinder housing.
Description of drawings
Following basis shows the accompanying drawing of an embodiment of the present invention, further introduces and describe execution mode, improvement project of the present invention that the present invention, the present invention have superiority, and the further advantage of the present invention.
Fig. 1 shows one according to hydraulic spring-loaded drive of the present invention.
Embodiment
Show one according to the hydraulic spring-loaded drive on hydraulic system under the pressure-less state of the present invention in the profile mode among Fig. 1.
Be provided with energy-storaging spring 10 around working cylinder housing 12, energy-storaging spring is bearing on the support ring 22 with self bottom, and this support ring is to be positioned near the bottom section 20 of working cylinder housing 12.In the present embodiment, energy-storaging spring 12 is to realize with a lead spring assembly.Other forms of energy-storaging spring also is admissible, for example helical spring.
Energy-storaging spring 10, and is pressed on guide ring on one block 24 on guide ring 14 with relative with self bottom self top compressing.Block 24 is positioned near relative with the bottom section 20 in the axial direction top area 26 of working cylinder housing 12.Energy-storaging spring 10 is in the zone of guide ring 14 compressings, and is contour with block 24 diametrically.Like this, just can avoid being misplaced in the external force that is made progress by the footpath between energy-storaging spring 10 applied pressures and the reaction force that applied in the opposite direction by block 24.
Between block 24 and spring top area 26, be provided with hydraulic cylinder
30, hydraulic cylinder has a piston pin hole 32 axial, that is to say the axis trend that is parallel to working cylinder housing 12, can be provided with pressure piston 34 in described piston pin hole with smoothly promoting.One by in the piston pin hole 32 of hydraulic cylinder 30 outwards outstanding piston rod 36 be positioned at this pressure piston 34 towards an end of energy-storaging spring 12.
Described hydraulic spring-loaded drive adopts and is at least two, is preferably three hydraulic cylinders, wherein the pressure piston that has piston rod that respectively carries a piston pin hole on each hydraulic cylinder and be arranged in piston pin hole.These hydraulic cylinders are set to around working cylinder 12, and the axis of wherein said piston pin hole all is positioned at the equidistance place, axis from working cylinder housing 12.In this profile, only show a hydraulic cylinder.
Concentric ring is provided with load ring body 16 around working cylinder housing 12 and concentric ring around guide ring 14.The interlock each other in the axial direction of described load ring body 16 and guide ring 14, make load ring body 16 when the bottom section 20 to working cylinder housing 12 moves, can drive guide ring 14, and guide ring 14 when moving, the top area 26 to working cylinder housing 12 can drive load ring body 16.
Load ring body 16 and guide ring 14 are set to not have mutually the gap diametrically and join.Because the effect of guide ring 14, it is impossible that load ring body 16 moves diametrically.
In order to improve the slip property between guide ring 14 and the working cylinder housing 14, in guide ring 14, be provided with a gib block 18.
As shown in FIG., namely under the hydraulic system pressure-less state, energy-storaging spring 10 is preload just.On the energy-storaging spring 10 of the hydraulic spring-loaded drive of preload, load ring body 16 is unable loading in the axial direction.Therefore, load ring body 16 can promote in the scope between energy-storaging spring 10 and piston rod 36 in the axial direction.
For bias voltage energy-storaging spring 10, can working fluid be pressed in piston pin hole 32 interior zones away from energy-storaging spring 10 1 ends by a passage 38 by a not shown hydraulic pump.Described working fluid with energy storage piston 34 and the piston rod 36 that is fixed thereon by extruding to energy-storaging spring 10 directions in the piston pin hole 32.
Piston rod 36 applies an axial force to load ring body 16, and the load ring body further is delivered to power on the energy-storaging spring 10, makes that therefrom energy-storaging spring 10 is compressed and therefore biased.In energy-storaging spring 10 bias voltage processes, load ring body 16 is clamped between energy-storaging spring 10 and the piston rod 36 all the time, and moves towards bottom section 20 directions of working cylinder housing 12.In this motion process, load ring body 16 drives guide ring 14, and therefore it is also moved to bottom section 20 directions of working cylinder housing 12.
Reached in hydraulic system after the predefined operating pressure, hydraulic pump quits work.Energy-storaging spring 10 loads, energy storage piston 34, piston rod 36, load ring body 16 and guide ring 14 all keep static.The unable in the axial direction loading of guide ring 14.Therefore, guide ring can promote in the scope between energy-storaging spring 10 and load ring body 16 in the axial direction.
Under the operating state of spring energy-storage transmission device, energy-storaging spring 10 is release pressure and stretching, extension step by step in the axial direction.Energy-storaging spring 10 is oppressed load ring bodies 16 in this case, and the top area direction to working cylinder housing 12 in piston pin hole 32 is pressed into piston rod 36 and energy storage piston 34 thus.
In the release pressure process of energy-storaging spring 10, load ring body 16 is clamped between energy-storaging spring 10 and the piston rod 36 all the time, and moves to top area 26 directions of working cylinder housing 12.In this motion process, energy-storaging spring 10 drives guide ring 14, and therefore it is also moved to top area 26 directions of working cylinder housing 12.
Under the operating state of spring energy-storage transmission device, guide ring 14 also is unable loading in the axial direction, therefore also can promote in the scope between energy-storaging spring 10 and load ring body 16 in the axial direction.
In the bias voltage process and release pressure process of energy-storaging spring 10, energy-storaging spring 10, is pressed on it on piston rod 36 on load ring body 16 with its top one end compressing.These energy-storaging spring 10 compressings are on the zone of load ring body 16, and are contour with piston rod 36 diametrically.So just can avoid being misplaced in the external force that is made progress by the footpath between energy-storaging spring 10 applied pressures and the reaction force that applied in the opposite direction by piston rod 36.
The apex zone of energy-storaging spring 10 is provided with a support spring 28.This support spring 28 is parts of energy-storaging spring 10, and is fabricated to stone.This refers to, and support spring 28 can or not be seldom deformation in energy-storaging spring 10 bias voltage processes and release pressure process.Support spring 28 is configured such that it all is contacted with guide ring 14 and/or load ring body 16 at any time.
Under the condition of preload of energy-storaging spring 10, support spring 28 is towards block 24 compressing guide rings 14.In energy-storaging spring 10 bias voltage processes and release pressure process, support spring 28 is towards piston rod 36 compressing load ring bodies 16.
Energy-storaging spring 10 is under condition of preload and in bias voltage process and the release pressure process, all can be by guide ring 14 and load ring body 16 with self top points in axial direction direction.Thus, the skew that makes progress to other directions, particularly footpath of the top that just can avoid energy-storaging spring 10.
Reference identification:
10. energy-storaging spring
12. working cylinder housing
14. guide ring
16. load ring body
18. gib block
20. the bottom section of working cylinder housing
22. support ring
24. block
26. the top area of working cylinder housing
28. support spring
30. hydraulic cylinder
32. piston pin hole
34. pressure piston
36. piston rod
38. passage
Claims (3)
1. hydraulic spring-loaded drive, comprise that the working cylinder that is arranged in the working cylinder housing (12), at least one energy-storaging spring (10), at least two are slidably disposed on pressure piston (34) in the piston pin hole (32) and one respectively and are set to concentric ring around the load ring body (16) of working cylinder housing (12), wherein said energy-storaging spring (10) makes that by described load ring body (16) and described pressure piston (34) working fluid that is positioned at described piston pin hole (32) is under pressure, it is characterized in that:
Between described load ring body (16) and described working cylinder housing (12), be provided with guide ring (14) so diametrically, make in the unable in the axial direction loading of guide ring (14) described in described energy-storaging spring (10) bias voltage process and the release pressure process, and the unable in the axial direction loading of described load ring body (16) under the state of described energy-storaging spring (10) preload.
2. hydraulic spring-loaded drive according to claim 1, it is characterized in that: on the apex zone of described energy-storaging spring (10), be provided with support spring (28) like this, make described support spring all be contacted with described guide ring (14) and/or described load ring body (16) at any time.
3. according to any one described hydraulic spring-loaded drive in the aforementioned claim, it is characterized in that: be provided with a gib block (18) in described guide ring (14) inboard.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007049758 | 2007-10-16 | ||
| DE102007049758.1 | 2007-10-16 | ||
| DE102007062291A DE102007062291A1 (en) | 2007-10-16 | 2007-12-21 | Hydraulic spring accumulator drive |
| DE102007062291.2 | 2007-12-21 | ||
| PCT/EP2008/008285 WO2009049768A1 (en) | 2007-10-16 | 2008-09-30 | Hydraulic spring-loaded drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101933109A CN101933109A (en) | 2010-12-29 |
| CN101933109B true CN101933109B (en) | 2013-08-28 |
Family
ID=40459028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880111985.8A Active CN101933109B (en) | 2007-10-16 | 2008-09-30 | Hydraulic spring-loaded drive |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2198442B1 (en) |
| JP (1) | JP5512526B2 (en) |
| KR (1) | KR101537021B1 (en) |
| CN (1) | CN101933109B (en) |
| DE (1) | DE102007062291A1 (en) |
| HU (1) | HUE024572T2 (en) |
| WO (1) | WO2009049768A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010054665B3 (en) * | 2010-12-15 | 2012-02-02 | Abb Technology Ag | Storage module for a hydraulic spring-loaded drive |
| RU2700766C1 (en) * | 2018-04-25 | 2019-09-20 | Геннадий Феофанович Мамарин | Gas-hydraulic accumulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584180A (en) * | 1993-11-25 | 1996-12-17 | Abb Patent Gmbh | Hydraulic device for operating at least one linearly movable component |
| TW355806B (en) * | 1996-09-12 | 1999-04-11 | Abb Patent Gmbh | Hydraulic drive |
| CN2904263Y (en) * | 2006-05-25 | 2007-05-23 | 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 |
| CN101017744A (en) * | 2006-12-31 | 2007-08-15 | 西安电力机械制造公司 | Hydraulic pressure disc spring energy storing device for high-voltage breaker |
| CN200969310Y (en) * | 2006-11-01 | 2007-10-31 | 宁波宏勃泵业制造有限公司 | Hydraulic operation structure of high-voltage breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS581233U (en) * | 1981-06-29 | 1983-01-06 | スタ−農機株式会社 | Support device for folding tool bar in agricultural machinery |
| DE3408909A1 (en) * | 1984-03-10 | 1985-09-12 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | HYDRAULIC DRIVE |
| JPH1054215A (en) * | 1996-08-14 | 1998-02-24 | Nippon Soken Inc | Hydraulic pressure controller in lubrication circuit of internal combustion engine |
| DE19637052A1 (en) * | 1996-09-12 | 1998-03-19 | Abb Patent Gmbh | Hydraulic drive |
| KR19980039738U (en) * | 1996-12-20 | 1998-09-15 | 박병재 | Hydraulic accumulator of automatic transmission |
-
2007
- 2007-12-21 DE DE102007062291A patent/DE102007062291A1/en not_active Withdrawn
-
2008
- 2008-09-30 JP JP2010529262A patent/JP5512526B2/en active Active
- 2008-09-30 EP EP08802713.1A patent/EP2198442B1/en active Active
- 2008-09-30 KR KR1020107008104A patent/KR101537021B1/en active IP Right Grant
- 2008-09-30 WO PCT/EP2008/008285 patent/WO2009049768A1/en active Application Filing
- 2008-09-30 HU HUE08802713A patent/HUE024572T2/en unknown
- 2008-09-30 CN CN200880111985.8A patent/CN101933109B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584180A (en) * | 1993-11-25 | 1996-12-17 | Abb Patent Gmbh | Hydraulic device for operating at least one linearly movable component |
| TW355806B (en) * | 1996-09-12 | 1999-04-11 | Abb Patent Gmbh | Hydraulic drive |
| CN2904263Y (en) * | 2006-05-25 | 2007-05-23 | 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 |
| CN200969310Y (en) * | 2006-11-01 | 2007-10-31 | 宁波宏勃泵业制造有限公司 | Hydraulic operation structure of high-voltage breaker |
| CN101017744A (en) * | 2006-12-31 | 2007-08-15 | 西安电力机械制造公司 | Hydraulic pressure disc spring energy storing device for high-voltage breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| HUE024572T2 (en) | 2016-02-29 |
| DE102007062291A1 (en) | 2009-04-23 |
| EP2198442B1 (en) | 2014-12-17 |
| JP5512526B2 (en) | 2014-06-04 |
| WO2009049768A1 (en) | 2009-04-23 |
| KR101537021B1 (en) | 2015-07-15 |
| EP2198442A1 (en) | 2010-06-23 |
| KR20100077164A (en) | 2010-07-07 |
| CN101933109A (en) | 2010-12-29 |
| JP2011501057A (en) | 2011-01-06 |
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Effective date of registration: 20180601 Address after: Baden, Switzerland Patentee after: ABB Switzerland Co.,Ltd. Address before: Zurich Patentee before: ABB Technology AG |
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Address after: Swiss Baden Patentee after: Hitachi energy Switzerland AG Address before: Swiss Baden Patentee before: ABB grid Switzerland AG |
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Effective date of registration: 20240124 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Country or region after: Switzerland Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG Country or region before: Switzerland |