CN203910595U - Main drive mechanism of grounding switch of grounding double-break circuit breaker - Google Patents
Main drive mechanism of grounding switch of grounding double-break circuit breaker Download PDFInfo
- Publication number
- CN203910595U CN203910595U CN201420310308.1U CN201420310308U CN203910595U CN 203910595 U CN203910595 U CN 203910595U CN 201420310308 U CN201420310308 U CN 201420310308U CN 203910595 U CN203910595 U CN 203910595U
- Authority
- CN
- China
- Prior art keywords
- ground connection
- circuit breaker
- grounding
- earthed switch
- rotating shaft
- 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 - Lifetime
Links
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003137 locomotive effect Effects 0.000 abstract description 8
- 238000012806 monitoring device Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses a main drive mechanism of a grounding switch of a grounding double-break circuit breaker. The drive mechanism comprises an upper casing, a grounding rotating shaft, grounding knives, a crank, a connecting rod, a rod-shaped spherical termination, a lower casing, a return spring, a handle shaft, an operational handle and a rotating disk. After break of the circuit breaker, the handle is operated by the grounding switch to drive the rotating disk, the rotating disk thus rotates for 180 degree, the grounding rotating shaft rotates due to the combination of the rod-shaped spherical termination, the connecting rod and the crank, the grounding knives mounted at the two ends of the grounding rotating shaft are rotated from a working position to a grounding position so that incoming and outgoing wires of the double-break circuit breaker are simultaneously grounded, the monitoring device can be applied grounding operation of the circuit breaker under a bow-down state of a locomotive, and the personnel safety of maintaining staff is ensured.
Description
Technical field
The utility model belongs to circuit interrupter grounding switching technique field, relates to a kind of transmission mechanism, is specifically related to a kind of earthed switch main drive gear of ground connection double-fracture circuit breaker.
Background technology
High voltage ground switch coordinates vacuum circuit-breaker to be widely used in the harmonious electric locomotive of railway, motor train unit.Its major function is embodied in the time carrying out locomotive inspection, maintenance and repair, the high-tension circuit ground connection of vacuum circuit-breaker both sides, ensureing the safety operation of locomotive, and ensure staff's personal safety, is the harmonious electric locomotive of railway, the indispensable High-Voltage Electrical Appliances of motor train unit.The supporting earthed switch of double-fracture circuit breaker need to be after main circuit breaker disconnects, and earthed switch is circuit breaker both sides ground connection simultaneously.Every locomotive only arranges an earthed switch, realizes the on high-tension side grounding function of double-fracture circuit breaker as required by an earthed switch.
Utility model content
The purpose of this utility model is to overcome above-mentioned technological difficulties, and a kind of earthed switch main drive gear of ground connection double-fracture circuit breaker is provided.
For achieving the above object, the technical solution adopted in the utility model is: comprise earthed switch and double-fracture circuit breaker; The both sides of earthed switch are provided with two earthings by ground connection rotating shaft; In earthed switch, be provided with for driving ground connection rotating shaft rotation, drive earthing and the line contact of dual-port circuit breaker or the jointed gear unit separating.
Described earthed switch comprises the upper shell and the lower house that are connected; Jointed gear unit is installed in the cavity of upper shell and lower house composition.
Described transmission mechanism comprises the ground connection rotating shaft being installed on upper shell, and outside upper shell, the two ends of ground connection rotating shaft are fixedly connected with two earthings respectively; In upper shell, in ground connection rotating shaft, be installed with crank, one end of crank is connected with ground connection rotating shaft, and the other end is connected with one end of connecting rod; The other end of connecting rod is fixedly attached on the rolling disc being arranged in lower house, and rolling disc is coaxially fixing with the Handle axis that is installed on lower house outside; The end of Handle axis is provided with operating grip.
The two ends of described connecting rod are all fixedly connected with crank with rolling disc by shaft-like spherical end.
In described Handle axis, be provided with the back-moving spring that makes Handle axis reset after ground connection has operated.
Described operating grip and earthing all rotate at vertical direction, and the rotation direction of operating grip and earthing is perpendicular.
Compared with prior art, the utlity model has following beneficial effect:
High voltage ground switch operating mechanism of the present utility model adopts jointed gear unit, pass through link transmission, make the earthing that is installed on ground connection rotating shaft two ends turn to ground connection position the line of double-fracture circuit breaker ground connection simultaneously by working position, Handle axis between lower house groove, finish the work respectively position and the locking of ground connection position, bar linkage structure has utilized the dead point of rolling disc on working position and ground connection position two rotational angles, has realized supplementing the reliable location of earthing.The utility model is falling the ground connection operation of the circuit breaker under arciform state for locomotive, has guaranteed maintainer's personal safety.
Brief description of the drawings
Fig. 1 is end view of the present utility model;
Fig. 2 is vertical view of the present utility model;
Fig. 3 is the end view of the utility model structural principle;
Fig. 4 is the vertical view of the utility model structural principle.
Wherein, 1 is earthed switch; 2 is double-fracture circuit breaker; 3 is earthing; 4 is operating grip; 5 is crank; 6 is connecting rod; 7 is ground connection rotating shaft; 8 is upper shell; 9 is shaft-like spherical end; 10 is lower house; 11 is rolling disc; 12 is back-moving spring; 13 is Handle axis.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1 to Fig. 4, the utility model comprises earthed switch 1 and double-fracture circuit breaker 2; The both sides of earthed switch 1 are provided with two earthings 3 by ground connection rotating shaft 7; In earthed switch 1, be provided with for driving ground connection rotating shaft 7 to rotate, drive earthing 3 and the line contact of dual-port circuit breaker 2 or the jointed gear unit separating.Earthed switch 1 comprises the upper shell 8 and the lower house 10 that are connected; Jointed gear unit is installed in the cavity that upper shell 8 and lower house 10 form.Transmission mechanism comprises the ground connection rotating shaft 7 being installed on upper shell 8, and outside upper shell 8, the two ends of ground connection rotating shaft 7 are fixedly connected with two earthings 3 respectively; In upper shell 8, be installed with crank 5 in ground connection rotating shaft 7, one end of crank 5 is connected with ground connection rotating shaft 7, and the other end is connected with one end of connecting rod 6; The other end of connecting rod 6 is fixedly attached on the rolling disc 11 being arranged in lower house 10, and rolling disc 11 is coaxially fixing with the Handle axis 13 that is installed on lower house 10 outsides; The end of Handle axis 13 is provided with operating grip 4.The two ends of connecting rod 6 are all fixedly connected with crank 5 with rolling disc 11 by shaft-like spherical end 9.In Handle axis 13, be provided with the back-moving spring 12 that makes Handle axis 13 reset after ground connection has operated.Operating grip 4 all rotates at vertical direction with earthing 3, and operating grip 4 is perpendicular with the rotation direction of earthing 3.
Principle of the present utility model and the course of work:
The supporting earthed switch 1 of the utility model double-fracture circuit breaker 2 uses, manual operation operating grip 4, drive earthing 3 to move operating grip 4 Rotate 180s ° clockwise, earthed switch 1 is from working position to ground connection position, drive earthing 3 to move operating grip 4 Rotate 180s ° counterclockwise, earthed switch 1 is from ground connection position to working position.
Operating grip 4 and rolling disc 11 are arranged on earthed switch lower house 10, and two shaft-like spherical ends 9 are separately fixed at crank 5 and are connected on rolling disc 11 and by connecting rod 6, ground connection rotating shaft 7, earthing 3, crank 5, are arranged on upper shell 1 respectively.Vertical direction pulling process handle 4 makes Handle axis 13 depart from lower house 10 stopper slots and rotarily drives rolling disc 11 Rotate 180s °, rolling disc 11 drives the assembly of shaft-like spherical end 9, connecting rod 6, crank 5 to be grounded rotating shaft 7 and rotates, the earthing 3 that is installed on ground connection rotating shaft 7 two ends turns to ground connection position the line of double-fracture circuit breaker ground connection simultaneously by working position, after having operated, back-moving spring 12 resets Handle axis 13.
Main drive gear is realized the rotation of operating grip directions X, and the rotation of ground connection rotating shaft Y-direction is also double-fracture circuit breaker line ground connection simultaneously.Application of the present utility model makes the Operation and Maintenance of earthed switch more convenient succinct and reliable, and has guaranteed that the ground connection operation of the circuit breaker under arciform state and maintainer's personal safety are falling in locomotive.
Above content is only explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the protection range of the utility model claims.
Claims (6)
1. an earthed switch main drive gear for ground connection double-fracture circuit breaker, is characterized in that: comprise earthed switch (1) and double-fracture circuit breaker (2); The both sides of earthed switch (1) are provided with two earthings (3) by ground connection rotating shaft (7); In earthed switch (1), be provided with for driving ground connection rotating shaft (7) rotation, drive earthing (3) and the line contact of dual-port circuit breaker (2) or the jointed gear unit separating.
2. the earthed switch main drive gear of ground connection double-fracture circuit breaker according to claim 1, is characterized in that: described earthed switch (1) comprises the upper shell (8) and the lower house (10) that are connected; Jointed gear unit is installed in the cavity of upper shell (8) and lower house (10) composition.
3. the earthed switch main drive gear of ground connection double-fracture circuit breaker according to claim 1 and 2, it is characterized in that: described transmission mechanism comprises the ground connection rotating shaft (7) being installed on upper shell (8), outside upper shell (8), the two ends of ground connection rotating shaft (7) are fixedly connected with two earthings (3) respectively; In upper shell (8), be installed with crank (5) in ground connection rotating shaft (7), one end of crank (5) is connected with ground connection rotating shaft (7), and the other end is connected with the one end of connecting rod (6); It is upper that the other end of connecting rod (6) is fixedly attached to the rolling disc (11) being arranged in lower house (10), and rolling disc (11) is coaxially fixing with the Handle axis (13) that is installed on lower house (10) outside; The end of Handle axis (13) is provided with operating grip (4).
4. the earthed switch main drive gear of ground connection double-fracture circuit breaker according to claim 3, is characterized in that: the two ends of described connecting rod (6) are all fixedly connected with crank (5) with rolling disc (11) by shaft-like spherical end (9).
5. the earthed switch main drive gear of ground connection double-fracture circuit breaker according to claim 3, is characterized in that: in described Handle axis (13), be provided with the back-moving spring (12) that makes Handle axis (13) reset after ground connection has operated.
6. the earthed switch main drive gear of ground connection double-fracture circuit breaker according to claim 3, it is characterized in that: described operating grip (4) all rotates at vertical direction with earthing (3), and operating grip (4) is perpendicular with the rotation direction of earthing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310308.1U CN203910595U (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of grounding switch of grounding double-break circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310308.1U CN203910595U (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of grounding switch of grounding double-break circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910595U true CN203910595U (en) | 2014-10-29 |
Family
ID=51784851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420310308.1U Expired - Lifetime CN203910595U (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of grounding switch of grounding double-break circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910595U (en) |
-
2014
- 2014-06-11 CN CN201420310308.1U patent/CN203910595U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |