CN104036987A - Main drive mechanism of ground switch - Google Patents
Main drive mechanism of ground switch Download PDFInfo
- Publication number
- CN104036987A CN104036987A CN201410258797.5A CN201410258797A CN104036987A CN 104036987 A CN104036987 A CN 104036987A CN 201410258797 A CN201410258797 A CN 201410258797A CN 104036987 A CN104036987 A CN 104036987A
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- CN
- China
- Prior art keywords
- earthed switch
- ground connection
- ground
- rotating shaft
- main drive
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- 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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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a main drive mechanism of a ground switch. The drive mechanism comprises an upper shell, a ground spindle, ground knives, a crank, a connection rod, a rod-shaped spherical surface end, a lower shell, a reset spring, a handle spindle, an operation handle and a rotation disk. According to the main drive mechanism of the ground switch, after a circuit breaker performs breaking, the operation handle of the ground switch drives the rotation disk to rotate 180 degrees, rotation of the ground spindle is achieved by components of the rod-shaped spherical surface end, the connection rod, and the crank, the ground knives installed at two ends of the ground spindle rotates from a work station to a ground state to simultaneously ground incoming and outgoing lines of the dual-break circuit breaker to operate grounding of the circuit breaker of a locomotive under a falling-down pantograph state, and personal safety of maintainers is guaranteed.
Description
Technical field
The invention belongs to circuit interrupter grounding switching technique field, relate to a kind of transmission mechanism, be specifically related to a kind of main drive gear of earthed switch.
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 when carrying out locomotive inspection, maintenance and repair, the high-tension circuit ground connection of vacuum circuit-breaker both sides, guaranteeing the safety operation of locomotive, and guarantee 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 while ground connection.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.
Summary of the invention
The object of the invention is to overcome above-mentioned technological difficulties, a kind of main drive gear of earthed switch that can ground connection double-fracture circuit breaker is provided.
For achieving the above object, the technical solution used in the present invention 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 separated jointed gear unit;
Transmission mechanism comprises the ground connection rotating shaft that is installed on earthed switch top, and outside earthed switch, the two ends of ground connection rotating shaft are fixedly connected with two earthings respectively; In earthed switch, 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 that is arranged at earthed switch bottom, and rolling disc is coaxially fixing with the Handle axis that is installed on earthed switch outside; The end of Handle axis is provided with operating grip.
Described earthed switch comprises upper shell and the lower house being connected; Ground connection rotating shaft and crank are arranged in upper shell, and earthing is installed on the both sides of upper shell; Rolling disc is installed in lower house, and Handle axis is installed on the outside of lower house.
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 present invention has following beneficial effect:
High voltage ground switch operating mechanism of the present invention 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 while ground connection 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 present invention is falling the ground connection operation of the circuit breaker under arciform state for locomotive, has guaranteed maintainer's personal safety.
Accompanying drawing explanation
Fig. 1 is end view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is the end view of structural principle of the present invention;
Fig. 4 is the vertical view of structural principle of the present invention.
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 present invention is described in further detail.
Referring to Fig. 1 to Fig. 4, the present invention includes 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 rotations, drive earthing 3 and the line contact of dual-port circuit breaker 2 or separated jointed gear unit.Earthed switch 1 comprises upper shell 8 and the lower house 10 being connected; Jointed gear unit is installed in the cavity of upper shell 8 and lower house 10 compositions.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 invention and the course of work:
The supporting earthed switch 1 of double-fracture circuit breaker 2 of the present invention uses, manual operation operating grip 4, clockwise operating grip 4 Rotate 180s ° are driven to earthing 3 motions, earthed switch 1 is from working position to ground connection position, counterclockwise operating grip 4 Rotate 180s ° are driven to earthing 3 motions, 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 drive 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 while ground connection 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 while ground connection.Application of the present invention 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 invention; can not limit protection scope of the present invention with this; every technological thought proposing according to the present invention, any change of doing on technical scheme basis, within all falling into the protection range of the claims in the present invention book.
Claims (5)
1. a main drive gear for earthed switch, 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 separated jointed gear unit;
Transmission mechanism comprises the ground connection rotating shaft (7) that is installed on earthed switch (1) top, and outside earthed switch (1), the two ends of ground connection rotating shaft (7) are fixedly connected with two earthings (3) respectively; In earthed switch (1), in ground connection rotating shaft (7), be installed with crank (5), 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); The other end of connecting rod (6) is fixedly attached on the rolling disc (11) that is arranged at earthed switch (1) bottom, and rolling disc (11) is coaxially fixing with the Handle axis (13) that is installed on earthed switch (1) outside; The end of Handle axis (13) is provided with operating grip (4).
2. the main drive gear of earthed switch according to claim 1, is characterized in that: described earthed switch (1) comprises upper shell (8) and the lower house (10) being connected; Ground connection rotating shaft (7) and crank (5) are arranged in upper shell (8), and earthing (3) is installed on the both sides of upper shell (8); Rolling disc (11) is installed in lower house (10), and Handle axis (13) is installed on the outside of lower house (10).
3. the main drive gear of earthed switch according to claim 1 and 2, 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).
4. the main drive gear of earthed switch according to claim 1 and 2, is characterized in that: in described Handle axis (13), be provided with the back-moving spring (12) that makes Handle axis (9) reset after ground connection has operated.
5. the main drive gear of earthed switch according to claim 1 and 2, 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 |
|---|---|---|---|
| CN201410258797.5A CN104036987A (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of ground switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258797.5A CN104036987A (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of ground switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104036987A true CN104036987A (en) | 2014-09-10 |
Family
ID=51467724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410258797.5A Pending CN104036987A (en) | 2014-06-11 | 2014-06-11 | Main drive mechanism of ground switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104036987A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2812273Y (en) * | 2005-07-20 | 2006-08-30 | 常州市凯隆电器有限公司 | Spiral spring resetting mechanism for circuit breaker handle |
| CN200983330Y (en) * | 2006-12-15 | 2007-11-28 | 陕西科技大学 | Driving device of silk bar and connection pole knife conversion isolator |
| CN201174348Y (en) * | 2007-09-30 | 2008-12-31 | 张亚明 | High-voltage detection type earthing knife switch |
| CN101404226A (en) * | 2008-11-14 | 2009-04-08 | 株洲庆云电力机车配件工厂 | High voltage ground switch |
-
2014
- 2014-06-11 CN CN201410258797.5A patent/CN104036987A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2812273Y (en) * | 2005-07-20 | 2006-08-30 | 常州市凯隆电器有限公司 | Spiral spring resetting mechanism for circuit breaker handle |
| CN200983330Y (en) * | 2006-12-15 | 2007-11-28 | 陕西科技大学 | Driving device of silk bar and connection pole knife conversion isolator |
| CN201174348Y (en) * | 2007-09-30 | 2008-12-31 | 张亚明 | High-voltage detection type earthing knife switch |
| CN101404226A (en) * | 2008-11-14 | 2009-04-08 | 株洲庆云电力机车配件工厂 | High voltage ground switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |