CN204289197U - Earthed switch - Google Patents
Earthed switch Download PDFInfo
- Publication number
- CN204289197U CN204289197U CN201420869837.5U CN201420869837U CN204289197U CN 204289197 U CN204289197 U CN 204289197U CN 201420869837 U CN201420869837 U CN 201420869837U CN 204289197 U CN204289197 U CN 204289197U
- Authority
- CN
- China
- Prior art keywords
- plate
- sluice gate
- panel
- main shaft
- locked groove
- 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.)
- Withdrawn - After Issue
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of earthed switch, belong to a kind of switch, comprise base plate, handle and the left plate be connected on base plate and right plate, support plate and main shaft is provided with between left plate and right plate, support plate is connected with multiple static contact component, main shaft is connected with moving contact, main shaft left end is connected with swing arm, extension spring is provided with between swing arm and left plate, wherein, also comprise panel, the centre of panel is provided with rotation axis, handle is connected to the right-hand member of rotation axis, the left end of rotation axis is connected with control panel, control panel is provided with arc-shaped through-hole, be placed with in arc-shaped through-hole and stir spring, the right-hand member of main shaft is connected with shifting block, the right-hand member of shifting block is connected with plate, plate is provided with plate, inserting board is in arc-shaped through-hole, shifting block is connected with indicator board, panel is provided with opens a sluice gate status lock and "on" position lock.When the utility model pulls handle combined floodgate, make people feel very laborsaving, and can conveniently observe switching state and others' misoperation can be prevented.
Description
Technical field:
The utility model relates to a kind of switch, is specifically a kind of earthed switch.
Background technology:
In the traction distribution system of electric locomotive, generally all earthed switch is installed, when keeping in repair the traction distribution system of locomotive, earthed switch all first will be made to close a floodgate to discharge the overbottom pressure in traction distribution system, ensure the safety of maintenance personal.Usually the earthed switch be used in the traction distribution system of electric locomotive generally comprises base plate and the left plate be connected on base plate and right plate, support plate and main shaft is provided with between left plate and right plate, support plate is connected with multiple static contact component, main shaft is connected with the moving contact for matching with multiple static contact component, main shaft two ends reach the outside of left plate and right plate, main shaft left end is connected with swing arm, extension spring is provided with between the upper end of swing arm and the lower end of left plate, left plate is provided with the first guide vane end stop and second guide vane end stop of restriction swing arm hunting range, main shaft right-hand member is connected with handle, by pulling the folding that handle can control between moving contact and fixed contact.Although the earthed switch of said structure is widely used, but there are following three weak points in this earthed switch: the pulling force that 1, will overcome larger extension spring owing to pulling handle, therefore, larger power to be used starting to pull when handle makes moving contact and static contact component close a floodgate, make people feel to pull handle and close a floodgate and require great effort very much; 2, because earthed switch is generally arranged in distribution box, only expose the side of handle towards outside, therefore, be difficult to observe earthed switch from the outside and be in the state of opening a sluice gate or "on" position; 3, because earthed switch does not have fixed structure, anyone can pull handle, therefore, often there will be misoperation.
Utility model content:
The technical problems to be solved in the utility model is, provides a kind of and makes people feel very laborsaving when pulling handle and closing a floodgate, and conveniently can observe switching state, can prevent the earthed switch of others' misoperation.
Technical solution of the present utility model is, a kind of earthed switch is provided, comprise base plate, handle and the left plate be connected on base plate and right plate, support plate and main shaft is provided with between left plate and right plate, support plate is connected with multiple static contact component, main shaft is connected with the moving contact for matching with multiple static contact component, main shaft two ends reach the outside of left plate and right plate, main shaft left end is connected with swing arm, extension spring is provided with between the upper end of swing arm and the lower end of left plate, left plate is provided with the first guide vane end stop and second guide vane end stop of restriction swing arm hunting range, wherein, also comprise panel, panel is connected with right plate by multiple pole, the centre of panel is provided with rotation axis, the two ends of rotation axis lay respectively at the left and right sides of panel, handle is connected to the right-hand member of rotation axis, the left end of rotation axis is connected with control panel, control panel is provided with arc-shaped through-hole, be placed with in arc-shaped through-hole and stir spring, the two ends, left and right of control panel are connected to the left end cap and right end cap that cover on arc-shaped through-hole, left end cap is provided with deep-slotted chip breaker, the right-hand member of main shaft is connected with shifting block, the right-hand member of shifting block is connected with plate, plate is provided with plate, plate is inserted in arc-shaped through-hole through deep-slotted chip breaker, the one end of stirring spring withstands on plate, the other end stirring spring withstands on control panel, the periphery of control panel is provided with the first positive stop lug boss and second positive stop lug boss of restriction control panel slewing area, spacer pin is provided with on the left of panel, spacer pin is inserted between the first positive stop lug boss and the second positive stop lug boss, shifting block is connected with indicator board, the periphery of indicator board is provided with the first instruction boss and the second instruction boss, panel is provided with inspection hole, when moving contact and static contact component be in open a sluice gate position time, first instruction boss is corresponding with inspection hole, when moving contact and static contact component are in closing position, second instruction boss is corresponding with inspection hole, panel is provided with opens a sluice gate status lock and "on" position lock, open a sluice gate status lock to be provided with and to open a sluice gate lock core pole, "on" position is locked and is provided with combined floodgate lock core pole, open a sluice gate the equal semicircular in shape in cross section of lock core pole and combined floodgate lock core pole, the periphery of control panel is provided with first and opens a sluice gate locked groove and the first combined floodgate locked groove, the periphery of indicator board is provided with second and opens a sluice gate locked groove and the second combined floodgate locked groove, when moving contact and static contact component be in open a sluice gate position time, first opens a sluice gate locked groove and second opens a sluice gate locked groove for opening a sluice gate lock core pole screw-in, when moving contact and static contact component are in closing position, first combined floodgate locked groove and the second combined floodgate locked groove screw in for the lock core pole that closes a floodgate.
After adopting above structure, compared with prior art, the utility model earthed switch has the following advantages: 1, when pulling handle of the present utility model and rotating combined floodgate, what first drive is that control panel rotates, at this moment stir spring can be gradually compressed, slowly increase elastic force, when the elastic force stirring spring is increased to certain numerical value, stir spring and can promote plate rotation, the pulling force that plate rotation can drive main shaft to overcome extension spring by shifting block rotates, thus moving contact and static contact component are closed a floodgate, known by the above course of work, with prior art when closing a floodgate, pull the pulling force difference that handle will overcome larger extension spring, the resistance that what first the utility model overcame is when stirring spring-compressed, and resistance when stirring spring-compressed slowly increases according to the rotation of handle, and people also can slowly increase strength according to the rotation of handle, whole process of pulling makes people feel very laborsaving, 2, due to shifting block being connected with indicator board, the periphery of indicator board is provided with the first instruction boss and the second instruction boss, panel is provided with inspection hole, when moving contact and static contact component be in open a sluice gate position time, first instruction boss is corresponding with inspection hole, when moving contact and static contact component are in closing position, second instruction boss is corresponding with inspection hole, therefore, different colors can be coated on the first instruction boss and the second instruction boss, and can recognize that the utility model earthed switch is in the state of opening a sluice gate or "on" position easily by inspection hole, 3, status lock and "on" position lock is opened a sluice gate because panel is provided with, open a sluice gate status lock to be provided with and to open a sluice gate lock core pole, "on" position is locked and is provided with combined floodgate lock core pole, open a sluice gate the equal semicircular in shape in cross section of lock core pole and combined floodgate lock core pole, the periphery of control panel is provided with first and opens a sluice gate locked groove and the first combined floodgate locked groove, the periphery of indicator board is provided with second and opens a sluice gate locked groove and the second combined floodgate locked groove, when moving contact and static contact component be in open a sluice gate position time, opening a sluice gate lock core pole and making to open a sluice gate lock core pole on status lock can be opened a sluice gate by key turns to be screwed into first and to open a sluice gate locked groove and second and open a sluice gate in locked groove, at this moment control panel and indicator board are all lockable, others cannot turning handle not have key, in like manner, when moving contact and static contact component are in closing position, the combined floodgate lock core pole can locked by key turns "on" position also makes combined floodgate lock core pole be screwed in the first combined floodgate locked groove and the second combined floodgate locked groove, at this moment control panel and indicator board are also all lockable, others also cannot turning handle not have key, therefore, the utility model can prevent others' misoperation.
Accompanying drawing illustrates:
Fig. 1 is the perspective view that the utility model earthed switch is in when opening a sluice gate;
Fig. 2 is the left TV structure schematic diagram of Fig. 1;
Fig. 3 is the right TV structure schematic diagram of Fig. 1;
Fig. 4 is the perspective view of right end portion parts in Fig. 1;
Fig. 5 is that the master of Fig. 4 looks sectional structure schematic diagram;
Fig. 6 is the decomposition texture schematic diagram of Fig. 4.
Embodiment:
Below in conjunction with the drawings and specific embodiments, the utility model earthed switch is described further:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the utility model earthed switch comprises base plate 1, panel 4, handle 5 and the left plate 9 be connected on base plate 1 and right plate 6, support plate 39 and main shaft 8 is provided with between left plate 9 and right plate 6, support plate 39 is connected with multiple static contact component 2, main shaft 8 is connected with the moving contact 7 for matching with multiple static contact component 2, main shaft 8 two ends reach the outside of left plate 9 and right plate 6, main shaft 8 left end is connected with swing arm 10, extension spring 11 is provided with between the upper end of swing arm 10 and the lower end of left plate 9, left plate 9 is provided with the first guide vane end stop 13 and the second guide vane end stop 12 of restriction swing arm 10 hunting range, panel 4 is connected with right plate 6 by four poles 3, the centre of panel 4 is provided with rotation axis 36, the two ends of rotation axis 36 lay respectively at the left and right sides of panel 4, handle 5 is connected to the right-hand member of rotation axis 36, the left end of rotation axis 36 is connected with control panel 21, control panel 21 is provided with arc-shaped through-hole 35, be placed with in arc-shaped through-hole 35 and stir spring 34, the two ends, left and right of control panel 21 are connected to the left end cap 33 and right end cap 37 that cover on arc-shaped through-hole 35, left end cap 33 is provided with deep-slotted chip breaker 32, the right-hand member of main shaft 8 is connected with shifting block 26, the right-hand member of shifting block 26 is connected with plate 25, plate 25 is provided with plate 24, plate 24 is inserted in arc-shaped through-hole 35 through deep-slotted chip breaker 32, the one end of stirring spring 34 withstands on plate 24, the other end stirring spring 34 withstands on control panel 21, the periphery of control panel 21 is provided with the first positive stop lug boss 20 and the second positive stop lug boss 22 of restriction control panel 21 slewing area, spacer pin 17 is provided with on the left of panel 4, spacer pin 17 is inserted between the first positive stop lug boss 20 and the second positive stop lug boss 22, shifting block 26 is connected with indicator board 29, the periphery of indicator board 29 is provided with the first instruction boss 27 and the second instruction boss 30, panel 4 is provided with inspection hole 16, when moving contact 7 and static contact component 2 be in open a sluice gate position time, first instruction boss 27 is corresponding with inspection hole 16, when moving contact 7 and static contact component 2 are in closing position, second instruction boss 30 is corresponding with inspection hole 16, panel 4 is provided with opens a sluice gate status lock 15 and "on" position lock 14, open a sluice gate status lock 15 to be provided with and to open a sluice gate lock core pole 18, "on" position lock 14 is provided with combined floodgate lock core pole 38, open a sluice gate the equal semicircular in shape in cross section of lock core pole 18 and combined floodgate lock core pole 38, the periphery of control panel 21 is provided with first and opens a sluice gate locked groove 23 and the first combined floodgate locked groove 19, the periphery of indicator board 29 is provided with second and opens a sluice gate locked groove 31 and the second combined floodgate locked groove 28, when moving contact 7 and static contact component 2 be in open a sluice gate position time, first opens a sluice gate locked groove 23 and second opens a sluice gate locked groove 31 and screws in for opening a sluice gate lock core pole 18, when moving contact 7 and static contact component 2 are in closing position, first combined floodgate locked groove 19 and the second combined floodgate locked groove 28 screw in for the lock core pole 38 that closes a floodgate.
Above-described specific embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (1)
1. an earthed switch, comprise base plate (1), handle (5) and the left plate (9) be connected on base plate (1) and right plate (6), support plate (39) and main shaft (8) is provided with between described left plate (9) and right plate (6), described support plate (39) is connected with multiple static contact component (2), described main shaft (8) is connected with the moving contact (7) for matching with multiple static contact component (2), described main shaft (8) two ends reach the outside of left plate (9) and right plate (6), described main shaft (8) left end is connected with swing arm (10), extension spring (11) is provided with between the upper end of described swing arm (10) and the lower end of left plate (9), described left plate (9) is provided with the first guide vane end stop (13) and second guide vane end stop (12) of restriction swing arm (10) hunting range, it is characterized in that: also comprise panel (4), described panel (4) is connected with right plate (6) by multiple pole (3), the centre of described panel (4) is provided with rotation axis (36), the two ends of described rotation axis (36) lay respectively at the left and right sides of panel (4), described handle (5) is connected to the right-hand member of rotation axis (36), the left end of described rotation axis (36) is connected with control panel (21), described control panel (21) is provided with arc-shaped through-hole (35), be placed with in described arc-shaped through-hole (35) and stir spring (34), the two ends, left and right of described control panel (21) are connected to the left end cap (33) and right end cap (37) that cover on arc-shaped through-hole (35), described left end cap (33) is provided with deep-slotted chip breaker (32), the right-hand member of described main shaft (8) is connected with shifting block (26), the right-hand member of described shifting block (26) is connected with plate (25), described plate (25) is provided with plate (24), described plate (24) is inserted in arc-shaped through-hole (35) through deep-slotted chip breaker (32), described one end of stirring spring (34) withstands on plate (24), the described other end stirring spring (34) withstands on control panel (21), the periphery of described control panel (21) is provided with the first positive stop lug boss (20) and second positive stop lug boss (22) of restriction control panel (21) slewing area, described panel (4) left side is provided with spacer pin (17), described spacer pin (17) is inserted between the first positive stop lug boss (20) and the second positive stop lug boss (22), described shifting block (26) is connected with indicator board (29), the periphery of described indicator board (29) is provided with the first instruction boss (27) and the second instruction boss (30), described panel (4) is provided with inspection hole (16), when moving contact (7) and static contact component (2) be in open a sluice gate position time, described first instruction boss (27) is corresponding with inspection hole (16), when described moving contact (7) and static contact component (2) are in closing position, described second instruction boss (30) is corresponding with inspection hole (16), described panel (4) is provided with opens a sluice gate status lock (15) and "on" position lock (14), described status lock (15) of opening a sluice gate is provided with and opens a sluice gate lock core pole (18), described "on" position lock (14) is provided with combined floodgate lock core pole (38), the described equal semicircular in shape in cross section of opening a sluice gate lock core pole (18) and combined floodgate lock core pole (38), the periphery of described control panel (21) is provided with first and opens a sluice gate locked groove (23) and the first combined floodgate locked groove (19), the periphery of described indicator board (29) is provided with second and opens a sluice gate locked groove (31) and the second combined floodgate locked groove (28), when moving contact (7) and static contact component (2) be in open a sluice gate position time, first opens a sluice gate locked groove (23) and second opens a sluice gate locked groove (31) for opening a sluice gate lock core pole (18) screw-in, when moving contact (7) and static contact component (2) are in closing position, first combined floodgate locked groove (19) and the second combined floodgate locked groove (28) screw in for the lock core pole that closes a floodgate (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869837.5U CN204289197U (en) | 2014-12-31 | 2014-12-31 | Earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869837.5U CN204289197U (en) | 2014-12-31 | 2014-12-31 | Earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289197U true CN204289197U (en) | 2015-04-22 |
Family
ID=52872331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420869837.5U Withdrawn - After Issue CN204289197U (en) | 2014-12-31 | 2014-12-31 | Earthed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204289197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485248A (en) * | 2014-12-31 | 2015-04-01 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
-
2014
- 2014-12-31 CN CN201420869837.5U patent/CN204289197U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485248A (en) * | 2014-12-31 | 2015-04-01 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
| CN104485248B (en) * | 2014-12-31 | 2017-05-10 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |