CN201689823U - Permanent magnet operating mechanism of high-voltage vacuum circuit breaker - Google Patents
Permanent magnet operating mechanism of high-voltage vacuum circuit breaker Download PDFInfo
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- CN201689823U CN201689823U CN201020175937XU CN201020175937U CN201689823U CN 201689823 U CN201689823 U CN 201689823U CN 201020175937X U CN201020175937X U CN 201020175937XU CN 201020175937 U CN201020175937 U CN 201020175937U CN 201689823 U CN201689823 U CN 201689823U
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- permanent magnet
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- shaft
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Abstract
A permanent magnet operating mechanism of a high-voltage vacuum circuit breaker comprises a permanent magnet mechanism and a shell, wherein the permanent magnet mechanism is arranged at the upper part in the shell; the lower part in the shell is horizontally provided with an auxiliary shaft and a main shaft; the auxiliary shaft is arranged at the outer side of an output shaft of the permanent magnet mechanism; the main shaft is arranged at the inner side of the output shaft of the permanent magnet mechanism; one end of a connecting plate I is articulated on the auxiliary shaft, and the other end thereof is articulated at the lower end of the output shaft of the permanent magnet mechanism through a pin shaft I; one end of a connecting plate II is articulated at the lower end of the output shaft of the permanent magnet mechanism through the pin shaft I, and the other end thereof is articulated with the lower end of a connecting plate III through a pin shaft II; the upper end of the connecting plate III is fixed on the main shaft; the upper end of a crankarm is fixed on the main shaft, and the lower end thereof is articulated with the upper end of a connecting plate IV through a pin shaft III; the lower end of the connecting plate IV is articulated at the outer end of a lever transmission mechanism through a pin shaft IV; and the inner end of the lever transmission mechanism is articulated with the lower end of a moving contact of an arc extinguish chamber. The magnetic force of the permanent magnet operating mechanism can be stably, reliably and accurately transmitted to the transmission mechanism which is connected with the moving contact of the arc extinguish chamber.
Description
Technical field
The utility model relates to a kind of high-pressure vacuum breaker permanent-magnet operating mechanism, belongs to high pressure equipment for power transmission and distribution manufacturing technology field.
Background technology
High-pressure vacuum breaker is as the switching device of controlling and distributing electric energy to use, the main transmission mechanism that is connected with the arc control device moving contact that leans on moves up and down, make the moving contact of arc control device lower end be connected or separate, thereby realize the output and the disconnection of electric current in the operation of power networks with the fixed contact of upper end.Because the motion of transmission mechanism designs for lever principle, and the big electric current of load, high voltage during the work of the dynamic and static contact of arc control device are to extremely strictness of its move distance, speed and contact pressure (about 3400N), careless slightly, its arc control device will the starting the arc, burning, damage, causes the operation of power networks fault.Therefore, the movement angle of transmission mechanism (distance), speed must reach accurately, reliable, steadily, and the power resources that drive transmission mechanism are permanent magnet mechanisms.Two connecting plates or single shaft four link configuration are all adopted in the magnetic force transmission of existing high-pressure vacuum breaker permanent-magnet operating mechanism, it is stressed that the magnetic force transmission is single face, output shaft is subjected to force unbalance at the volley, moving line is not smooth, easily produce wave, problem such as flexural deformation, be difficult to guarantee the movement angle (distance) of the transmission mechanism that is connected with the arc control device moving contact and speed is accurate, reliably, steady.
The utility model content
The technical problem that the utility model solves: design a kind of high-pressure vacuum breaker permanent-magnet operating mechanism, adopt two three connecting plate mechanism forms, can be steadily, reliably, the magnetic force with permanent-magnet operating mechanism transfers to the transmission mechanism that is connected with the arc control device moving contact accurately, make the movement angle (distance) and the speed of transmission mechanism accurate, reliable, steady, thereby improve the folding performance of high-pressure vacuum breaker, guarantee power grid security, efficient operation.
The technical solution adopted in the utility model: a kind of high-pressure vacuum breaker permanent-magnet operating mechanism, comprise permanent magnet mechanism and housing, permanent magnet mechanism is arranged on the top in the housing, lower horizontal in the housing has been equipped with countershaft and main shaft, and countershaft is positioned at the outside of permanent magnet mechanism output shaft, main shaft is positioned at the inboard of permanent magnet mechanism output shaft, the end of connecting plate I is hinged on the countershaft, the other end is hinged on the lower end of permanent magnet mechanism output shaft by bearing pin I, the end of connecting plate II is hinged on the lower end of permanent magnet mechanism output shaft by bearing pin I, the other end is hinged by the lower end of bearing pin II and connecting plate III, and the upper end of connecting plate III is fixed on the main shaft; The upper end of connecting lever is fixed on the main shaft, and the lower end is hinged by the upper end of bearing pin III and connecting plate IV, and the lower end of connecting plate IV is hinged on the outer end of lever transmission mechanism by bearing pin IV, and the lower end of the inner of lever transmission mechanism and arc control device moving contact is hinged.
Described main shaft is a splined shaft, and the upper end of connecting plate III and connecting lever all is sleeved on the main shaft.
Described connecting plate I is two, and an end symmetry is hinged on the countershaft, and the other end is hinged on the lower end of permanent magnet mechanism output shaft by bearing pin I symmetry; Described connecting plate II also is two, the inner of one end and connecting plate I fits and places the outside of connecting plate I coaxial hinged with the lower end of connecting plate I and permanent magnet mechanism output shaft, and hinged and connecting plate III places in the middle of the two connecting plate II its other end by the lower end of bearing pin II and connecting plate III; Described connecting lever is three, uniform being sleeved on the main shaft.
The both ends of the surface up and down of described housing all are symmetrically fixed with two supporting brackets, two clamping plate one ends connect as one by bolt and supporting bracket one end, the other end is stuck in the supporting bracket other end outside, and described countershaft is fixed on the bottom between two clamping plate, and permanent magnet mechanism is installed in the top between two clamping plate.
The utility model is compared with prior art by setting up a countershaft, offset the gravitation that the generation of permanent magnet mechanism output shaft relies on main shaft by the reversal interlocking relay that countershaft and connecting plate produce, the output shaft that guarantees permanent magnet mechanism is unobstructed, steadily move up and down, can be steadily, reliably, the magnetic force with permanent-magnet operating mechanism transfers to the transmission mechanism that is connected with the arc control device moving contact accurately, make the movement angle (distance) and the speed of transmission mechanism accurate, reliable, steady, thereby improve the folding performance of high-pressure vacuum breaker, guarantee power grid security, efficient operation.
Description of drawings
Fig. 1 is the utility model structural front view;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the utility model general assembly drawing.
Embodiment
Below in conjunction with accompanying drawing 1,2,3 a kind of embodiment of the present utility model is described.
A kind of high-pressure vacuum breaker permanent-magnet operating mechanism, comprise permanent magnet mechanism 1 and housing 10, permanent magnet mechanism 1 is arranged on the top in the housing 10, lower horizontal in the housing 10 has been equipped with countershaft 3 and main shaft 7, and countershaft 3 is positioned at the outside of permanent magnet mechanism output shaft 2, main shaft 7 is positioned at the inboard of permanent magnet mechanism output shaft 2, the end of connecting plate I4 is hinged on the countershaft 3, the other end is hinged on the lower end of permanent magnet mechanism output shaft 2 by bearing pin I15, the end of connecting plate II5 is hinged on the lower end of permanent magnet mechanism output shaft 2 by bearing pin I15, the other end is hinged by the lower end of bearing pin II13 and connecting plate III6, and main shaft 7 is a splined shaft, and the upper end of connecting plate III6 is sleeved on the main shaft 7; The upper end of three connecting levers 11 is uniform to be sleeved on the main shaft 7, the lower end is all hinged by the upper end of bearing pin III12 and connecting plate IV16, the lower end of connecting plate IV16 is hinged on the outer end of lever transmission mechanism 8 by bearing pin IV14, and the lower end of the inner of lever transmission mechanism 8 and arc control device 9 moving contacts is hinged.
Connecting plate I4 is two, and an end symmetry is hinged on the countershaft 3, and the other end is hinged on the lower end of permanent magnet mechanism output shaft 2 by bearing pin I15 symmetry; Connecting plate II5 also is two, the inner of one end and connecting plate I4 fits and places the outside of connecting plate I4 coaxial hinged with the lower end of connecting plate I4 and permanent magnet mechanism output shaft 2, and hinged and connecting plate III6 places in the middle of the two connecting plate II5 its other end by the lower end of bearing pin II13 and connecting plate III6; Connecting lever 11 is three, uniform being sleeved on the main shaft 7; The both ends of the surface up and down of housing (10) all are symmetrically fixed with two supporting brackets 18, two clamping plate 17 1 ends connect as one by bolt and supporting bracket 18 1 ends, the other end is stuck in supporting bracket 18 other ends outside, countershaft 3 is fixed on the bottom between two clamping plate 17, and permanent magnet mechanism 1 is installed in the top between two clamping plate 17; Because clamping plate 17 are split-type structural with supporting bracket 18, permanent magnet mechanism 1 can carry out outside housing 10 with clamping plate 17 assemblings, so just makes assembling become simple, and the debugging maintenance is convenient.
Operation principle: during permanent magnet mechanism 1 work, instruct according to divide-shut brake, its output shaft 2 is done rectilinear motion up and down, make main shaft 7, countershaft 3 stressed simultaneously by connecting plate I4, connecting plate II5, connecting plate III6 in the motion process, and main shaft 7 is moved, thereby make transmission mechanism 8 fixing on the main shaft do lever motion, make on the moving contact in the arc control device 9 and move or move down.Because connecting plate II5, connecting plate III6 can produce the part lateral pull in main shaft 7 course of action, make the output shaft 2 of permanent magnet mechanism produce the gravitation that relies on main shaft 7, and this gravitation offsets by countershaft 3 and the reversal interlocking relay that connecting plate I4 produces, thereby guarantee that the permanent magnet mechanism output shaft is 2 unobstructed, steadily move up and down, solved in the long-term puzzlement high voltage permanent circuit breaker because magnetic force transmits unstable, suddenly big or suddenly small, velocity variations is big, neglect fast neglecting slowly, thereby influence the circuit breaker break performance, influence the technical barrier of high-voltage fence safe operation.
Claims (4)
1. high-pressure vacuum breaker permanent-magnet operating mechanism, comprise permanent magnet mechanism (1) and housing (10), permanent magnet mechanism (1) is arranged on the top in the housing (10), it is characterized in that: the lower horizontal in the housing (10) is equipped with countershaft (3) and main shaft (7), and countershaft (3) is positioned at the outside of permanent magnet mechanism output shaft (2), main shaft (7) is positioned at the inboard of permanent magnet mechanism output shaft (2), the end of connecting plate I (4) is hinged on the countershaft (3), the other end is hinged on the lower end of permanent magnet mechanism output shaft (2) by bearing pin I (15), the end of connecting plate II (5) is hinged on the lower end of permanent magnet mechanism output shaft (2) by bearing pin I (15), the other end is hinged with the lower end of connecting plate III (6) by bearing pin II (13), and the upper end of connecting plate III (6) is fixed on the main shaft (7); The upper end of connecting lever (11) is fixed on the main shaft (7), the lower end is hinged with the upper end of connecting plate IV (16) by bearing pin III (12), the lower end of connecting plate IV (16) is hinged on the outer end of lever transmission mechanism (8) by bearing pin IV (14), and the lower end of the inner of lever transmission mechanism (8) and arc control device (9) moving contact is hinged.
2. high-pressure vacuum breaker permanent-magnet operating mechanism according to claim 1 is characterized in that: described main shaft (7) is a splined shaft, and the upper end of connecting plate III (6) and connecting lever (11) all is sleeved on the main shaft (7).
3. high-pressure vacuum breaker permanent-magnet operating mechanism according to claim 1 and 2, it is characterized in that: described connecting plate I (4) is two, one end symmetry is hinged on the countershaft (3), and the other end is hinged on the lower end of permanent magnet mechanism output shaft (2) by bearing pin I (15) symmetry; Described connecting plate II (5) also is two, the inner of one end and connecting plate I (4) fits and places the outside of connecting plate I (4) coaxial hinged with the lower end of connecting plate I (4) and permanent magnet mechanism output shaft (2), and hinged and connecting plate III (6) places in the middle of the two connecting plate II (5) its other end by the lower end of bearing pin II (13) and connecting plate III (6); Described connecting lever (11) is three, uniform being sleeved on the main shaft (7).
4. high-pressure vacuum breaker permanent-magnet operating mechanism according to claim 3, it is characterized in that: the both ends of the surface up and down of described housing (10) all are symmetrically fixed with two supporting brackets (18), two clamping plate (17) one ends connect as one by bolt and supporting bracket (18) one ends, the other end is stuck in supporting bracket (18) other end outside, described countershaft (3) is fixed on the bottom between two clamping plate (17), and permanent magnet mechanism (1) is installed in the top between two clamping plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020175937XU CN201689823U (en) | 2010-04-23 | 2010-04-23 | Permanent magnet operating mechanism of high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020175937XU CN201689823U (en) | 2010-04-23 | 2010-04-23 | Permanent magnet operating mechanism of high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689823U true CN201689823U (en) | 2010-12-29 |
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ID=43378101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020175937XU Expired - Fee Related CN201689823U (en) | 2010-04-23 | 2010-04-23 | Permanent magnet operating mechanism of high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597949A (en) * | 2018-07-11 | 2018-09-28 | 吉林省固和泰机械有限责任公司 | Vacuum falling type switch |
-
2010
- 2010-04-23 CN CN201020175937XU patent/CN201689823U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597949A (en) * | 2018-07-11 | 2018-09-28 | 吉林省固和泰机械有限责任公司 | Vacuum falling type switch |
| CN108597949B (en) * | 2018-07-11 | 2023-12-08 | 吉林省固和泰机械有限责任公司 | Vacuum drop-out switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20140423 |