CN208637373U - A kind of hydraulic pressure spring operating mechanism and breaker - Google Patents
A kind of hydraulic pressure spring operating mechanism and breaker Download PDFInfo
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- CN208637373U CN208637373U CN201821194358.2U CN201821194358U CN208637373U CN 208637373 U CN208637373 U CN 208637373U CN 201821194358 U CN201821194358 U CN 201821194358U CN 208637373 U CN208637373 U CN 208637373U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 60
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000004519 grease Substances 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model relates to a kind of hydraulic pressure spring operating mechanism and breakers.Breaker includes hydraulic pressure spring operating mechanism and the moving contact that connect with hydraulic actuating mechanism, the hydraulic pressure spring operating mechanism includes trunk-piston cylinder, it is equipped in piston cylinder along piston cylinder axial stretching and the piston rod that is connect with moving contact, the telescoping cylinder along piston cylinder axial stretching is fixed on the outside of the piston cylinder, the oil duct of control telescoping cylinder and piston rod movement is equipped between the telescoping cylinder and piston rod, the outer sheath of the piston cylinder is equipped with multiple groups disc spring piece, the piston cylinder is equipped with the axial Stop structure to disc spring piece block, guiding is equipped with the pressing plate being axially moved along piston cylinder on the piston cylinder, pressing plate compression disc spring piece when the pressing plate and telescoping cylinder press cooperate and extend telescoping cylinder.The utility model can avoid the rigging error for using combined type disc spring pressing plate to generate by more components, ensure that assembly precision, improves product quality, and reduce production cost.
Description
Technical field
The utility model relates to a kind of hydraulic pressure spring operating mechanism and breakers.
Background technique
With the continuous growth of power system capacity, the technological progress of high-voltage circuitbreaker, to the divide-shut brake of high-voltage circuitbreaker
Time requirement is more next remote short.High-voltage circuit-breaker switching on-off movement be to be realized by powder operation device, hydraulic pressure spring operating mechanism with
Disc spring is as energy-accumulating medium, using hydraulic oil as driving medium, easily obtains high pressure, stores big energy, and compact structure is compact.
Currently, the powder operation device of 252KV and above Circuit Interrupt road device all uses hydraulic spring grease cup operating mechanism in the market.As notification number is
The patent of invention and notification number that the patent of invention of CN101393816B, notification number are CN101916677B are CN104538260B's
Hydraulic pressure spring operating mechanism disclosed in patent of invention specification, including piston cylinder are equipped in piston cylinder along piston jar axis for mist to stretching
The piston rod of contracting, piston cylinder center are equipped with central through hole, and piston cylinder is equipped with oilhole, and piston cylinder outer wall is equipped with loaded cylinder, storage
Energy cylinder is slidably matched with piston cylinder, and piston cylinder is set with disc spring pack on the upside of loaded cylinder, such hydraulic pressure spring operating mechanism energy
Enough fast implement breaking-closing operating.But such hydraulic pressure spring operating mechanism adopt more Component compositions complete support to disc spring pack and
Guide function, structure is relative complex, is also easy to produce rigging error, higher to worker's installation specification, and production cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic pressure spring operating mechanisms, solve existing hydraulic spring actuators
The problem that structure is complicated for structure, rigging error is big；The purpose of this utility model, which also resides in, provides a kind of above-mentioned hydraulic spring grease cup behaviour of installation
The breaker of motivation structure.
To achieve the above object, the technical solution of the hydraulic pressure spring operating mechanism of the utility model connecting cylinder is:
A kind of hydraulic pressure spring operating mechanism includes trunk-piston cylinder, is equipped with along piston cylinder axial stretching and is used in piston cylinder
The piston rod connecting with moving contact is fixed with the telescoping cylinder along piston cylinder axial stretching on the outside of the piston cylinder, described flexible
The oil duct for controlling telescoping cylinder and piston rod movement is equipped between cylinder and piston rod, the outer sheath of the piston cylinder is equipped with multiple groups
Disc spring piece, the piston cylinder are equipped with the axial Stop structure to disc spring piece block, are oriented to and are equipped with along work on the piston cylinder
Pressing plate compression disc spring piece when the pressing plate that plug cylinder is axially moved, the pressing plate and telescoping cylinder press cooperate and extend telescoping cylinder.
The utility model has the advantages that the hydraulic spring grease cup actuating structure of the utility model by pressing plate realize to the compression of multiple groups disc spring piece,
Support and guide function can avoid the rigging error for using combined type disc spring pressing plate to generate by more components, ensure that assembly precision,
Product quality is improved, and reduces production cost.
Specifically, the outer peripheral surface of the pressing plate is equipped with along the convex edge that vertical pressing plate in-plane extends, the convex edge
Inner wall and disc spring piece pressure ring outside wall surface block cooperate so that disc spring piece is along piston cylinder axial stretching.Setting and disc spring piece on pressing plate
The convex edge of pressure ring cooperation facilitates enhancing to the support of disc spring piece and guidance capability.
The specific number of telescoping cylinder is further limited, the telescoping cylinder is multiple, and multiple telescoping cylinders are in piston cylinder
It is uniformly distributed in outside wall surface.Multiple telescoping cylinders are set, and multiple telescoping cylinders are uniformly distributed in piston cylinder outside wall surface, facilitate telescoping cylinder compression dish
When reed, pressing plate keeps stablizing.
When telescoping cylinder is multiple, the structure of pressing plate is further improved, the pressing plate is equipped with for stretching to telescoping cylinder
The location structure of contracting bar radial positioning, the location structure and telescoping cylinder correspond.Location structure helps to make telescoping cylinder pressure
When contracting pressing plate, telescoping cylinder does not occur diametrically to move with pressing plate.
For further limiting for location structure, the location structure is the location hole being adapted to piston rod end.Positioning
It is convenient for facilitating to reduce manufacturing cost while setting in hole.
Further improvement to any of the above-described scheme is equipped with guide ring between the pressing plate and piston cylinder.Pressing plate and cylinder body
Between setting guide ring facilitate enhance pressing plate guidance capability on cylinder body.
Further improvement to any of the above-described scheme, the piston cylinder include ontology and the extension with ontology releasable connection
Cylinder, the Stop structure are located on extending cylinder.Facilitate reduce piston cylinder length, and then save manufacture piston cylinder needed for material
Material, and effectively reduce the difficulty of manufacture piston cylinder.
The technical solution of the breaker of the utility model is:
A kind of breaker includes hydraulic pressure spring operating mechanism and the moving contact that connect with hydraulic actuating mechanism, described hydraulic
Spring operating mechanism includes trunk-piston cylinder, is equipped in piston cylinder along piston cylinder axial stretching and the piston that connect with moving contact
Bar is fixed with the telescoping cylinder along piston cylinder axial stretching on the outside of the piston cylinder, is equipped between the telescoping cylinder and piston rod
The oil duct of telescoping cylinder and piston rod movement is controlled, the outer sheath of the piston cylinder is equipped with multiple groups disc spring piece, sets on the piston cylinder
There is the axial Stop structure to disc spring piece block, guiding is equipped with the pressing plate being axially moved along piston cylinder, institute on the piston cylinder
Pressing plate compression disc spring piece when stating pressing plate and telescoping cylinder press cooperation and extending telescoping cylinder.
The utility model has the advantages that the hydraulic spring grease cup actuating structure in breaker realizes the compression to multiple groups disc spring piece, branch by pressing plate
Support and guide function can avoid the rigging error for using combined type disc spring pressing plate to generate by more components, ensure that assembly precision, mention
High product quality, and reduce production cost.
Specifically, the outer peripheral surface of the pressing plate is equipped with along the convex edge that vertical pressing plate in-plane extends, the convex edge
Inner wall and disc spring piece pressure ring outside wall surface block cooperate so that disc spring piece is along piston cylinder axial stretching.Setting and disc spring piece on pressing plate
The convex edge of pressure ring cooperation facilitates enhancing to the support of disc spring piece and guidance capability.
The specific number of telescoping cylinder is further limited, the telescoping cylinder is multiple, and multiple telescoping cylinders are in piston cylinder
It is uniformly distributed in outside wall surface.Multiple telescoping cylinders are set, and multiple telescoping cylinders are uniformly distributed in piston cylinder outside wall surface, facilitate telescoping cylinder compression dish
When reed, pressing plate keeps stablizing.
When telescoping cylinder is multiple, the structure of pressing plate is further improved, the pressing plate is equipped with for stretching to telescoping cylinder
The location structure of contracting bar radial positioning, the location structure and telescoping cylinder correspond.Location structure helps to make telescoping cylinder pressure
When contracting pressing plate, telescoping cylinder does not occur diametrically to move with pressing plate.
For further limiting for location structure, the location structure is the location hole being adapted to piston rod end.Positioning
It is convenient for facilitating to reduce manufacturing cost while setting in hole.
Further improvement to any of the above-described scheme is equipped with guide ring between the pressing plate and piston cylinder.Pressing plate and cylinder body
Between setting guide ring facilitate enhance pressing plate guidance capability on cylinder body.
Further improvement to any of the above-described scheme, the piston cylinder include ontology and the extension with ontology releasable connection
Cylinder, the Stop structure are located on extending cylinder.Facilitate reduce piston cylinder length, and then save manufacture piston cylinder needed for material
Material, and effectively reduce the difficulty of manufacture piston cylinder.
Detailed description of the invention
Fig. 1 is the top view of the hydraulic pressure spring operating mechanism in the breaker embodiment 1 of the utility model；
Fig. 2 is sectional view along A-A in Fig. 1；
Fig. 3 is the cross-sectional view of pressing plate in Fig. 2；
Fig. 4 is the top view of pressing plate in Fig. 2；
In attached drawing: 1, snap ring；2, support plate；3, disc spring piece；4, extending cylinder；5, telescoping cylinder；6, piston rod；7, guide plate；
8, piston cylinder；9, guide ring；10, pressing plate；101, location hole.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the breaker of the utility model, as shown in Figures 1 to 4, the breaker are a kind of 550KV
GIS breaker, including moving contact and the hydraulic pressure spring operating mechanism being connect with moving contact, hydraulic spring grease cup when circuit-breaker switching on-off
Operating mechanism provides power for moving contact.
Hydraulic pressure spring operating mechanism includes piston cylinder 8, the telescoping cylinder being fixedly connected on piston cylinder 85 and is sleeved on work
Multiple groups disc spring piece 3 on plug cylinder 8.There is piston rod 6, piston rod 6 and moving contact are connected as moving contact and provide energy in piston cylinder 8
Amount.Because the moving contact in the arc-chutes in breaker is linear motion, so the piston rod 6 on piston cylinder 8 need to keep straight line to transport
Dynamic state.In order to ensure 8 piston rod 6 of piston cylinder keeps linear motion state, 8 upper end of piston cylinder is equipped with guide plate 7, guide plate
7 with 6 shaft hole matching of piston rod, play the role of to 6 guide and limit of piston rod, and guide plate 7 and piston in the present embodiment
Cylinder 8 is fixed by screw.8 upper end outside wall surface of piston cylinder is fixedly mounted there are three telescoping cylinder 5, and telescoping cylinder 5 is hydraulic cylinder, and three
Downward, the hydraulic fluid chamber of telescoping cylinder 5 is connect by connecting hole with oil pipe the telescopic end of telescoping cylinder 5.Three in the present embodiment
Telescoping cylinder 5 is uniformly distributed in 8 outer peripheral surface of piston cylinder, and telescoping cylinder 5 can also be other numbers other than three in other embodiments certainly,
Telescoping cylinder 5 can also be otherwise fixedly mounted on 8 outer peripheral surface of piston cylinder.On 8 outer peripheral surface of piston cylinder of 5 downside of telescoping cylinder
It is set with the pressing plate 10 for compressing disc spring piece 3 and with the press cooperation of telescoping cylinder 5, is equipped between pressing plate 10 and piston cylinder 8
The purpose of guide ring 9, setting guide ring 9 is led simultaneously to slide pressing plate 10 in 8 outside wall surface of piston cylinder by fixed-direction
Sealing function is also acted as to ring.There is the location hole 101 cooperated with 5 telescopic rod top end of telescoping cylinder on pressing plate 10, location hole is set
101 purpose is that one side location hole 101 can play the role of limiting 5 telescopic rod of telescoping cylinder, is on the other hand remarkably improved
The assembly efficiency of hydraulic pressure spring operating mechanism in the present embodiment.
It is applied to cut-off high-tension circuit-breaker by hydraulic pressure spring operating mechanism in this present embodiment, therefore hydraulic spring grease cup actuating
Mechanism need to provide higher actuating force for moving contact, and in other words, the spring in hydraulic pressure spring operating mechanism need to have longer stroke.In order to
The length of piston cylinder 8 is saved, 8 lower end of piston cylinder in the present embodiment has been connected through a screw thread extending cylinder 4, in other embodiments
Extending cylinder 4 can also be fixed on piston cylinder 8 by way of grafting.The diameter of extending cylinder 4 is identical as 8 diameter of piston cylinder, in this way
The purpose of design is on the one hand to be sleeved on piston cylinder 8 convenient for multiple groups disc spring piece 3, on the other hand facilitates multiple groups disc spring piece
3 are adjacent on piston cylinder 8 and extending cylinder 4, to help to play guiding role to disc spring piece 3.The lower end of extending cylinder 4 is equipped with
Support plate 2, multiple groups spring leaf are pressed in support plate 2, and snap ring 1 is equipped on the downside of support plate 2, and snap ring 1 can be fixed by disc spring piece 3
On extending cylinder 4.
Hydraulic pressure spring operating mechanism working principle in the present embodiment is, when work, operation of oil pump drives hydraulic oil to enter
Telescoping cylinder 5,5 telescopic end of telescoping cylinder drive downlink by hydraulic oil, compress multiple groups disc spring piece 3, disc spring piece 3 gradually reduces, and works as movement
Oil pump is closed when to setting height, and telescoping cylinder 5 is in state of pressure keeping, and the elastic force of disc spring piece 3 acts on telescoping cylinder 5 at this time,
It is exactly that the active force of disc spring piece 3 acts on the hydraulic oil in telescoping cylinder 5,3 amount of force of disc spring piece determines liquid in telescoping cylinder 5
The pressure size of pressure oil.When hydraulic pressure spring operating mechanism is connected to point or after reclosing command, the oil circuit deflecting at once in system is stretched
Hydraulic oil in cylinder 5 is extruded at once under the action of disc spring 3 elastic force of piece, and the combined floodgate or closing position completed needed for flowing to.
When separating brake, hydraulic oil enters the epicoele of piston cylinder 8 under the control of reversal valve, pushes 6 downlink of piston rod, completes separating brake movement.
When combined floodgate, hydraulic oil enters the cavity of resorption of piston cylinder 8 under the control of reversal valve, and piston rod 6 is pushed to move up, and completes feed motion.
The specific embodiment 2 of the breaker of the utility model, the telescoping cylinder in the present embodiment are assemblied in the periphery of piston cylinder
On face, extending cylinder is sleeved on telescoping cylinder lower end, and multiple groups disc spring piece is sleeved on the outer peripheral surface of telescoping cylinder and extending cylinder.Telescoping cylinder
Upward, and telescoping cylinder telescopic end is connect telescopic end with pressing plate, and driving pressing plate compression disc spring piece moves up and down, other and embodiment
1 is identical, repeats no more.
The specific embodiment 3 of the breaker of the utility model, the extending cylinder in the present embodiment are sleeved on whole on the downside of pressing plate
On the outside of a piston cylinder, the advantages of design is to be conducive to protect piston cylinder body in this way.Other are same as Example 1, repeat no more.
Hydraulic spring grease cup in the embodiment of the hydraulic pressure spring operating mechanism of the utility model and each embodiment of above-mentioned breaker
The structure of operating mechanism is identical, repeats no more.
Claims (14)
1. a kind of hydraulic pressure spring operating mechanism, including trunk-piston cylinder, piston cylinder is interior to be equipped with along piston cylinder axial stretching and is used for
The piston rod being connect with moving contact, it is characterised in that: be fixed on the outside of the piston cylinder along the flexible of piston cylinder axial stretching
Cylinder, is equipped with the oil duct for controlling telescoping cylinder and piston rod movement between the telescoping cylinder and piston rod, the piston cylinder it is outer
Side is set with multiple groups disc spring piece, and the piston cylinder is equipped with the axial Stop structure to disc spring piece block, leads on the piston cylinder
To the pressing plate being axially moved along piston cylinder is equipped with, the pressing plate and telescoping cylinder press pressing plate pressure when cooperating and extending telescoping cylinder
Contracting disc spring piece.
2. hydraulic pressure spring operating mechanism according to claim 1, it is characterised in that: the outer peripheral surface of the pressing plate is equipped with edge
The convex edge that vertical pressing plate in-plane extends, the inner wall and disc spring piece pressure ring outside wall surface block of the convex edge cooperate so that disc spring
Piece is along piston cylinder axial stretching.
3. hydraulic pressure spring operating mechanism according to claim 1, it is characterised in that: the telescoping cylinder is multiple and multiple
Telescoping cylinder is uniformly distributed in piston cylinder outside wall surface.
4. hydraulic pressure spring operating mechanism according to claim 3, it is characterised in that: the pressing plate is equipped with for flexible
The location structure of cylinder telescopic rod radial positioning, the location structure and telescoping cylinder correspond.
5. hydraulic pressure spring operating mechanism according to claim 4, it is characterised in that: the location structure is and tailpiece of the piston rod
The location hole of portion's adaptation.
6. described in any item hydraulic pressure spring operating mechanisms according to claim 1 ~ 5, it is characterised in that: the pressing plate and piston cylinder
Between be equipped with guide ring.
7. described in any item hydraulic pressure spring operating mechanisms according to claim 1 ~ 5, it is characterised in that: the piston cylinder includes this
Body and extending cylinder with ontology releasable connection, the Stop structure are located on extending cylinder.
8. a kind of breaker, described hydraulic including hydraulic pressure spring operating mechanism and the moving contact connecting with hydraulic actuating mechanism
Spring operating mechanism includes trunk-piston cylinder, is equipped in piston cylinder along piston cylinder axial stretching and the piston that connect with moving contact
Bar, it is characterised in that: the telescoping cylinder along piston cylinder axial stretching, the telescoping cylinder and piston are fixed on the outside of the piston cylinder
The oil duct of control telescoping cylinder and piston rod movement is equipped between bar, the outer sheath of the piston cylinder is equipped with multiple groups disc spring piece, described
Piston cylinder is equipped with the axial Stop structure to disc spring piece block, and guiding is equipped on the piston cylinder is axially moved along piston cylinder
Pressing plate, the pressing plate and telescoping cylinder press cooperation and pressing plate compression disc spring piece when extending telescoping cylinder.
9. breaker according to claim 8, it is characterised in that: the outer peripheral surface of the pressing plate is equipped with flat along vertical pressing plate
The convex edge that face direction extends, the inner wall and disc spring piece pressure ring outside wall surface block of the convex edge cooperate so that disc spring piece is along Boring mill
To flexible.
10. breaker according to claim 8, it is characterised in that: the telescoping cylinder is multiple, and multiple telescoping cylinders are in work
It is uniformly distributed in plug cylinder outside wall surface.
11. breaker according to claim 10, it is characterised in that: the pressing plate is equipped with for telescoping cylinder telescopic rod
The location structure of radial positioning, the location structure and telescoping cylinder correspond.
12. breaker according to claim 11, it is characterised in that: the location structure is to be adapted to piston rod end
Location hole.
13. according to the described in any item breakers of claim 8 ~ 12, it is characterised in that: be equipped between the pressing plate and piston cylinder
Guide ring.
14. according to the described in any item breakers of claim 8 ~ 12, it is characterised in that: the piston cylinder include ontology and with
The extending cylinder of ontology releasable connection, the Stop structure are located on extending cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194358.2U CN208637373U (en) | 2018-07-26 | 2018-07-26 | A kind of hydraulic pressure spring operating mechanism and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194358.2U CN208637373U (en) | 2018-07-26 | 2018-07-26 | A kind of hydraulic pressure spring operating mechanism and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208637373U true CN208637373U (en) | 2019-03-22 |
Family
ID=65738044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194358.2U Active CN208637373U (en) | 2018-07-26 | 2018-07-26 | A kind of hydraulic pressure spring operating mechanism and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208637373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798279A (en) * | 2019-03-28 | 2019-05-24 | 西安石油大学 | A kind of dismantling device and method of cylinder interior compressed spring |
-
2018
- 2018-07-26 CN CN201821194358.2U patent/CN208637373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798279A (en) * | 2019-03-28 | 2019-05-24 | 西安石油大学 | A kind of dismantling device and method of cylinder interior compressed spring |
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