CN205723312U - A kind of long-life disconnecting switch - Google Patents
A kind of long-life disconnecting switch Download PDFInfo
- Publication number
- CN205723312U CN205723312U CN201620588518.6U CN201620588518U CN205723312U CN 205723312 U CN205723312 U CN 205723312U CN 201620588518 U CN201620588518 U CN 201620588518U CN 205723312 U CN205723312 U CN 205723312U
- Authority
- CN
- China
- Prior art keywords
- life
- disconnecting switch
- long
- switch according
- contact
- 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.)
- Expired - Fee Related
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model provides a kind of long-life disconnecting switch, including frame and two static contacts being arranged in described frame by insulator, being connected by moving contact between two described static contacts, described moving contact being provided with spring touch finger, described spring touch finger is connected with described static contact.The utility model provide long-life disconnecting switch have the beneficial effect that the utility model between static contact and moving contact by spring touch finger realize electrical connection, spring touch finger uniform force, suffered by moving contact, contact pressure is little, only need very little operating physical force, safety, frequent, reliable operation can be met.
Description
Technical field
The utility model relates to a kind of single-phase long-life applied on railroad train life disconnecting switch.
Background technology
With the fast development of railway construction in China, high speed motor car is quickly developed, due to its open, the cycle that stops short, fortune
Row milimeter number is many, and in use generally requires frequent operation, and overall merit needs one can meet No. 20,000 machinery behaviour
Make the disconnecting switch in life-span to meet this runtime.It and traditional railway disconnecting switch uses disconnecting link formula disconnecting switch, is
Reach in relevant criterion to electrodynamic requirement, isolation knife and static contact contact need very big contact pressure, contact anti-oxidant
Coating easily weares and teares under frequent operation, makes contact surface aoxidize, and coating there will be corrosion phenomena after being badly damaged, and causes contact
Contact resistance is excessive, affects the normal electric property of disconnecting switch.Meanwhile, contact clamping force is big, and operating physical force is big, its disconnecting switch
Mechanical life can only achieve 2000 times.To this end, it is little to research and develop a operating physical force, and keeping apart of 20,000 mechanical lives can be reached
Close significant.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of long-life
Disconnecting switch.
According to the utility model provide a kind of long-life disconnecting switch use main technical schemes be: include frame with
And by two static contacts that insulator is arranged in described frame, be connected by moving contact between two described static contacts,
Being provided with spring touch finger on described moving contact, described spring touch finger is connected with described static contact.
The long-life disconnecting switch that the utility model provides also can have a following attached technical characteristic:
Being provided with tripping mechanism in described frame, described tripping mechanism is connected with static contact one of them described.
Being provided with insulation leading screw on described static contact, described tripping mechanism is by described insulation leading screw and described static contact phase
Connect.
It is provided with the first bevel gear on described insulation leading screw, described tripping mechanism is provided with the second bevel gear, described
One bevel gear and described second bevel gear are meshed.
Described tripping mechanism include release member, the driver part driving described release member and with described insulation leading screw
The power transmission shaft being connected, described power transmission shaft is provided with limiting component, and described limiting component controls described release member after putting in place
Depart from described driver part.
Described release member includes casing and the portable plate being arranged on described casing, and described portable plate is by fixing post
It is movably arranged in casing, between described portable plate and described casing, be provided with back-moving spring.
Also include the movable block being arranged on described portable plate, described movable block is provided with symmetrical dropout groove, institute
Stating and being provided with trip shaft in the drive shaft in power transmission shaft and described driver part, described trip shaft is connected with described dropout groove
Connect.
Described limiting component includes the limited block being arranged on described power transmission shaft and is arranged in described release member
Limiting plate, described limited block offers chute, and described limited block is slided on described limiting plate by described chute.
The end of described limiting plate is bent to form limiting section, and described limited block is carried out spacing by described limiting section.
Described driver part includes drive shaft and the drive block being arranged in described drive shaft, and described drive shaft is arranged
Having drive rod, described drive block offers fixing groove, and described drive rod is connected with described fixing groove.
What the long-life disconnecting switch using the utility model to provide was brought has the beneficial effect that the utility model at static contact
And realizing being electrically connected by spring touch finger between moving contact, spring touch finger uniform force, contact pressure suffered by moving contact is little, only
Needing very little operating physical force, can meeting safety, frequent, reliable operation, this disconnecting switch is applicable to railway system's sulfur hexafluoride gas
Body insulated switching installation, described spring touch finger uses beryllium-bronze material, moving contact to use copper-tungsten to make, has wear-resisting and high-strength
Degree performance, can guarantee that the requirement of satisfied 20000 mechanical lives；Tripping mechanism is installed in frame, is possible to prevent moving contact to arrive
Maloperation after Wei, fracture insulation leading screw.
Brief description
Fig. 1 is the structure chart of the utility model long-life disconnecting switch.
Fig. 2 is the structure chart of moving contact in the utility model long-life disconnecting switch.
Fig. 3 is the structure chart of tripping mechanism in the utility model long-life disconnecting switch.
Fig. 4 is the sectional view of tripping mechanism in the utility model long-life disconnecting switch.
Fig. 5 is the structure chart of movable block in the utility model long-life disconnecting switch.
Detailed description of the invention
Below in conjunction with the accompanying drawings the utility model is described in further detail:
As shown in Figures 1 to 5, the embodiment of a kind of long-life disconnecting switch providing according to the utility model, including machine
Frame 1 and two static contacts 2 being arranged in described frame 1 by insulator 24, touched by dynamic between two described static contacts 2
3 are connected, and described moving contact 3 is provided with spring touch finger 4, and described spring touch finger 4 is connected with described static contact 2.This reality
Realize electrical connection, spring touch finger 4 uniform force by spring touch finger 4 with novel between static contact 2 and moving contact 3, move and touch
Contact pressure suffered by 3 is little, it is only necessary to very little operating physical force, can meet safety, frequently, reliable operation, this disconnecting switch is suitable for
In railway system's sulfur hexafluoride gas-insulating switchgear, described spring touch finger 4 uses beryllium-bronze material, moving contact 3 to use copper
Tungsten alloy makes, and has wear-resisting and high-intensity performance, can guarantee that the requirement of satisfied 20000 mechanical lives.
See Fig. 1 to Fig. 5, the long-life disconnecting switch providing according to the utility model, described frame 1 is provided with dropout
Mechanism, described tripping mechanism is connected with static contact one of them described 2, and described static contact 2 is provided with insulation leading screw 5, institute
State tripping mechanism to be connected with described static contact 2 by described insulation leading screw 5, described insulation leading screw 5 is provided with the first cone tooth
Wheel 6, described tripping mechanism is provided with the second bevel gear 7, and described first bevel gear 6 and described second bevel gear 7 are meshed, dynamic
Contact 3 and static contact 2 make contact force and driving force more uniform by spring touch finger 4, it is achieved the long-life is reliably connected, by absolutely
Periphysis thick stick 5 transmission realizes the combined floodgate of disconnecting switch, separating brake function, the insulation that static contact 2 is made by two epoxy resin respectively
Son is arranged in frame 1.
Seeing Fig. 1 to Fig. 5, the long-life disconnecting switch providing according to the utility model, described tripping mechanism includes threading off
Parts, the driver part driving described release member and the power transmission shaft 8 being connected with described insulation leading screw 5, described power transmission shaft 8
On be provided with limiting component, described limiting component controls described release member and departs from described driver part, in frame 1 after putting in place
Installing tripping mechanism, the maloperation after being possible to prevent moving contact 3 to put in place, fracture insulation leading screw 5.
Seeing Fig. 1 to Fig. 5, the long-life disconnecting switch providing according to the utility model, described release member includes casing 9
And the portable plate 10 being arranged on described casing 9, described portable plate 10 is movably arranged in casing 9 by fixing post 11,
It is provided with back-moving spring 12 between described portable plate 10 and described casing 9, also include the activity being arranged on described portable plate 10
Block 13, described movable block 13 is provided with symmetrical dropout groove 14, the drive shaft in described power transmission shaft 8 and described driver part
Being provided with trip shaft 16 on 15, described trip shaft 16 is connected with described dropout groove 14.Two dropouts in the utility model
The center line of groove 14 can be on same straight line, it is also possible to be not arranged on the same straight line be, and the opening of two dropout grooves 14
In opposite direction, after limiting component puts in place, when being rotated further driver part, portable plate 10 is upwards transported together with the movable block 13 on it
Dynamic, the trip shaft 16 being now placed on power transmission shaft 8 snaps in one of them the dropout groove 14 on movable block 13, and is positioned at drive shaft
Trip shaft 16 on 15 departs from another dropout groove 14 on movable block 13, and the driving force of such driver part will not be conducted to biography
On moving axis 8, maloperation after being possible to prevent moving contact 3 to put in place, fracture insulation leading screw 5；Otherwise, rotate backward driver part, this
When portable plate 10 move downward together with the movable block 13 on it, the trip shaft 16 being positioned on power transmission shaft 8 progressively disengages movable block 13
On dropout groove 14 in, the trip shaft 16 in drive shaft 15 gradually snaps in another dropout groove 14 on movable block 13, de-
During buckle shaft 16 progressively disengages and snap in corresponding dropout groove 14, driver part simultaneously drives insulation leading screw and disconnects moving contact 3
With static contact 2, the maloperation after being possible to prevent moving contact 3 to put in place, insulation leading screw 5 is produced.
Seeing Fig. 1 to Fig. 5, the long-life disconnecting switch providing according to the utility model, described limiting component includes installing
Limited block 17 on described power transmission shaft 8 and the limiting plate 18 being arranged in described release member, described limited block 17 is opened
Being provided with chute 19, described limited block 17 is slided on described limiting plate 18 by described chute 19, the end of described limiting plate 18
Being bent to form limiting section 20, described limited block 17 is carried out spacing by described limiting section 20, when insulation leading screw 5 forwards to design the number of turns
When, limited block 17 is played position-limiting action by the limiting section 20 on limiting plate 18, and spacing rear tripping mechanism works so that drive division
Driving force on part will not be conducted to power transmission shaft 8, the maloperation after being possible to prevent moving contact 3 to put in place, and fracture insulation leading screw 5.
Seeing Fig. 1 to Fig. 5, the long-life disconnecting switch providing according to the utility model, described driver part includes driving
Axle 15 and the drive block 21 being arranged in described drive shaft 15, described drive shaft 15 is provided with drive rod 22, described driving
Block 21 offers fixing groove 23, and described drive rod 22 is connected with described fixing groove 23, external staff by rotate drive shaft 15,
Driving force is controlled release member be operated by fixing groove 23 and the drive rod 22 being connected.
Embodiment described above, the simply one of the utility model more preferably detailed description of the invention, the skill of this area
The usual variations and alternatives that art personnel are carried out in the range of technical solutions of the utility model all should be included in guarantor of the present utility model
In the range of protecting.
Claims (10)
1. a long-life disconnecting switch, including frame and two static contacts being arranged in described frame by insulator,
It is connected by moving contact between two described static contacts, it is characterised in that: it is provided with spring touch finger on described moving contact, described
Spring touch finger is connected with described static contact.
2. long-life disconnecting switch according to claim 1, it is characterised in that: in described frame, tripping mechanism is installed,
Described tripping mechanism is connected with static contact one of them described.
3. long-life disconnecting switch according to claim 2, it is characterised in that: it is provided with empire silk on described static contact
Thick stick, described tripping mechanism is connected with described static contact by described insulation leading screw.
4. long-life disconnecting switch according to claim 3, it is characterised in that: it is provided with the first cone on described insulation leading screw
Gear, described tripping mechanism is provided with the second bevel gear, and described first bevel gear and described second bevel gear are meshed.
5. the long-life disconnecting switch according to claim 3 or 4, it is characterised in that: described tripping mechanism includes dropout portion
Part, the driver part driving described release member and the power transmission shaft being connected with described insulation leading screw, described power transmission shaft sets
Being equipped with limiting component, described limiting component controls described release member and departs from described driver part after putting in place.
6. long-life disconnecting switch according to claim 5, it is characterised in that: described release member includes casing and peace
Being contained in the portable plate on described casing, described portable plate is movably arranged in casing by fixing post, in described portable plate and institute
State and between casing, be provided with back-moving spring.
7. long-life disconnecting switch according to claim 6, it is characterised in that: also include being arranged on described portable plate
Movable block, described movable block is provided with symmetrical dropout groove, in the drive shaft in described power transmission shaft and described driver part
Being provided with trip shaft, described trip shaft is connected with described dropout groove.
8. long-life disconnecting switch according to claim 6, it is characterised in that: described limiting component includes being arranged on described
Limited block on power transmission shaft and the limiting plate being arranged in described release member, described limited block offers chute, described
Limited block is slided on described limiting plate by described chute.
9. long-life disconnecting switch according to claim 8, it is characterised in that: the end of described limiting plate is bent to form limit
Position portion, described limited block is carried out spacing by described limiting section.
10. long-life disconnecting switch according to claim 6, it is characterised in that: described driver part include drive shaft with
And the drive block being arranged in described drive shaft, described drive shaft is provided with drive rod, described drive block offers fixing groove,
Described drive rod is connected with described fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588518.6U CN205723312U (en) | 2016-06-16 | 2016-06-16 | A kind of long-life disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588518.6U CN205723312U (en) | 2016-06-16 | 2016-06-16 | A kind of long-life disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723312U true CN205723312U (en) | 2016-11-23 |
Family
ID=57305418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620588518.6U Expired - Fee Related CN205723312U (en) | 2016-06-16 | 2016-06-16 | A kind of long-life disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389751A (en) * | 2018-05-08 | 2018-08-10 | 河南森源电气股份有限公司 | A kind of disconnecting switch |
| WO2021155565A1 (en) * | 2020-02-07 | 2021-08-12 | Abb Schweiz Ag | Disconnector for switchgear |
-
2016
- 2016-06-16 CN CN201620588518.6U patent/CN205723312U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389751A (en) * | 2018-05-08 | 2018-08-10 | 河南森源电气股份有限公司 | A kind of disconnecting switch |
| WO2021155565A1 (en) * | 2020-02-07 | 2021-08-12 | Abb Schweiz Ag | Disconnector for switchgear |
| CN114402409A (en) * | 2020-02-07 | 2022-04-26 | Abb瑞士股份有限公司 | Isolating switch for switchgear |
| US11972914B2 (en) | 2020-02-07 | 2024-04-30 | Abb Schweiz Ag | Disconnector for switchgear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106356241B (en) | A kind of high stability high-pressure vacuum breaker | |
| CN205723312U (en) | A kind of long-life disconnecting switch | |
| CN106531545B (en) | A kind of high-pressure vacuum breaker | |
| CN204577267U (en) | The overlapping switching mechanism of neutral pole and automatic transfer switching electric appliance | |
| CN103617927B (en) | Long-break-distance contact structure capable of breaking rapidly | |
| CN105655160B (en) | A kind of dual-power transfer switch with double breaking points moving contact structure | |
| CN207587618U (en) | The switching off/on device of vacuum circuit breaker | |
| CN207338256U (en) | A kind of high-voltage DC contactor | |
| CN107706043A (en) | A kind of vacuum direct current quick breaker | |
| CN208873691U (en) | A kind of structure of contact terminal | |
| CN107706055B (en) | High-voltage relay resistant to instantaneous large current impact | |
| CN203312081U (en) | Vacuum load switch with disconnecting switch linkage | |
| CN205542575U (en) | Load switch | |
| CN103531410A (en) | Self-driven arc extinguishing chamber for double acting type high voltage SF6 breaker | |
| CN101615534B (en) | Permanent magnet opening and closing type DC intelligent circuit breaker | |
| CN201698919U (en) | Novel tap changer | |
| CN201751971U (en) | New structure of transmission shaft of high voltage circuit breaker mechanism | |
| CN204144175U (en) | A kind of high-voltage DC contactor | |
| CN2746509Y (en) | Overtravel spring combiner for outdoor AC high-voltage vacuum circuit breaker | |
| CN202454487U (en) | Permanent magnet operating circuit breaker device | |
| CN108133868B (en) | Direct current contactor contact system | |
| CN203165795U (en) | Novel outdoor high voltage vacuum circuit breaker | |
| CN202651038U (en) | Self-driven arc extinguishing chamber for double acting type high voltage SF6 breaker | |
| CN102426946B (en) | Auxiliary contact structure for low-voltage electrical appliance | |
| CN202258831U (en) | Load switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190616 |