CN219979419U - Isolating switch mechanism with limiting device - Google Patents
Isolating switch mechanism with limiting device Download PDFInfo
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- CN219979419U CN219979419U CN202223569338.8U CN202223569338U CN219979419U CN 219979419 U CN219979419 U CN 219979419U CN 202223569338 U CN202223569338 U CN 202223569338U CN 219979419 U CN219979419 U CN 219979419U
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- input shaft
- driving
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 230000009471 action Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an isolating switch mechanism with a limiting device, which belongs to the technical field of isolating switch operation driving mechanisms, and comprises a front panel and a rear panel, wherein the front panel and the rear panel are arranged in parallel; the positioning mechanism is arranged on the front panel, a positioning plate matched with the positioning mechanism is arranged at one end, close to the front panel, of the driving shaft, two positioning grooves are formed in the positioning plate, two positioning sliding plates matched with the positioning grooves are arranged on the positioning mechanism, and sliding plate driving mechanisms are respectively arranged on the left input shaft and the right input shaft. The three-station accurate limiting device is used for accurately limiting three stations of a three-station mechanism such as an isolating switch mechanism.
Description
Technical Field
The utility model belongs to the technical field of isolating switch control driving mechanisms, and relates to an isolating switch mechanism with a limiting device.
Background
The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have an insulation distance and an obvious disconnection mark which meet the specified requirements; in the closed position, the switching device is capable of carrying both current under normal loop conditions and current under abnormal conditions (e.g., short circuit) for a prescribed period of time. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely, the isolating switch with the rated voltage of more than 1kV, has a simple working principle and structure, but has high requirements on working reliability due to large use amount, and has larger influence on the design, establishment and safe operation of power substations and power plants. The isolating switch has the main characteristics of no arc extinguishing capability and can only switch on and switch off the circuit under the condition of no load current.
The isolating switch has the function of disconnecting a circuit without load current, so that overhauled equipment and a power supply have obvious disconnection points to ensure the safety of overhaulers, and the isolating switch cannot cut off the load current and the short-circuit current without a special arc extinguishing device, so that the isolating switch can be operated under the condition that the circuit is disconnected by the circuit breaker.
The isolating switch mechanism is a mechanism for operating the isolating switch to perform functions of grounding, closing and the like, and when the existing isolating switch mechanism is switched to stations of closing, isolating, grounding and the like, a switch moving knife cannot be accurately limited, so that the problems of swing, even knife falling and the like of a driving plate are easily generated after operation, and the normal functions of the mechanism are affected.
Disclosure of Invention
The utility model aims at:
in order to solve the problem that the isolating switch mechanism in the prior art cannot accurately limit and causes the mechanism to swing and break away, the isolating switch mechanism with the limiting device is provided.
The technical scheme adopted by the utility model is as follows:
the utility model provides an isolator mechanism with stop device, includes front panel and rear panel, front panel and rear panel parallel arrangement, install left input shaft and right input shaft on the front panel, the bottom of left input shaft is connected with left shift fork wheel hub, installs left shift fork front drive board on the left shift fork wheel hub, the bottom of right input shaft is connected with right shift fork wheel hub, installs right baffle on the right shift fork wheel hub, be connected with the drive shaft between front panel and the rear panel, be connected with the spring between left input shaft and the right input shaft; the positioning mechanism is arranged on the front panel, a positioning plate matched with the positioning mechanism is arranged at one end, close to the front panel, of the driving shaft, two positioning grooves are formed in the positioning plate, two positioning sliding plates matched with the positioning grooves are arranged on the positioning mechanism, and sliding plate driving mechanisms are respectively arranged on the left input shaft and the right input shaft.
Further, positioning mechanism includes the spacing slide that two symmetries set up, the location slide is connected on spacing slide and integrated into one piece, the spout has all been seted up on the spacing slide, fixedly connected with locating pin on the front panel, the locating pin passes the spout of two spacing slides and sets up in the spout.
Further, the slide driving mechanism is a limit cam, the limit slide is connected with one end of a return spring, and a spring connector for connecting the other end of the return spring is fixedly arranged on the front panel.
Further, drive plate and drive turning arm are installed to the one end that the drive shaft is close to the rear panel, be provided with respectively with two drive plate rollers of left shift fork back frid and right shift fork back frid complex on the drive plate, still be connected with the output shaft between front panel and the rear panel, install the output turning arm on the output shaft, be connected with the connecting rod between output turning arm and the drive turning arm, the end connection of output shaft has switch gear.
Further, be connected with many spinal branchs post between front panel and the rear panel, all be provided with on left shift fork front drive board and the right baffle with support post complex screens groove.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
the utility model has a limit function, can be applied to various three-station mechanisms, such as a disconnecting switch mechanism, a load switch mechanism, a combined electrical appliance mechanism and the like, can accurately limit and not break off a knife, and enables an input shaft to rotate through an operating handle, a limit cam on the input shaft pushes a limit slide plate to move left and right, after a mechanism realizes in-place opening (closing function), the limit cam shifts, a positioning slide plate is pulled back under the action of a return spring, the positioning slide plate slides into a positioning groove of the positioning plate to prevent a driving plate from swinging, and realize a positioning function.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is a left side view of the present utility model;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 1;
fig. 6 is a perspective view of the present utility model.
The marks in the figure: 1-front panel, 2-back panel, 3-left input shaft, 4-right input shaft, 5-left fork hub, 6-left fork front drive plate, 7-positioning mechanism, 8-right fork hub, 9-right baffle, 11-drive shaft, 12-spring, 13-positioning plate, 14-positioning grooves, 15-positioning sliding plates, 16-sliding plate driving mechanisms, 17-limiting sliding plates, 18-positioning pins, 19-return springs, 20-driving plates, 21-driving crank arms, 22-driving plate rollers, 23-output shafts, 24-output crank arms and 25-support columns.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides an isolator mechanism with stop device, including front panel 1 and back panel 2, front panel 1 and back panel 2 parallel arrangement, install left input shaft 3 and right input shaft 4 on front panel 1, the bottom of left input shaft 3 is connected with left shift fork wheel hub 5, install left shift fork front drive board 6 on the left shift fork wheel hub 5, the bottom of right input shaft 4 is connected with right shift fork wheel hub 8, install right baffle 9 on the right shift fork wheel hub 8, be connected with drive shaft 11 between front panel 1 and the back panel 2, be connected with spring 12 between left input shaft 3 and the right input shaft 4; the front panel 1 is provided with a positioning mechanism 7, one end of the driving shaft 11, which is close to the front panel 1, is provided with a positioning plate 13 matched with the positioning mechanism 7, the positioning plate 13 is provided with two positioning grooves 14, the positioning mechanism 7 is provided with two positioning sliding plates 15 matched with the positioning grooves 14, and the left input shaft 3 and the right input shaft 4 are respectively provided with a sliding plate driving mechanism 16.
The positioning mechanism 7 comprises two limit sliding plates 17 which are symmetrically arranged, the limit sliding plates 15 are connected to the limit sliding plates 17 and are integrally formed, sliding grooves are formed in the limit sliding plates 17, positioning pins 18 are fixedly connected to the front panel 1, and the positioning pins 18 penetrate through the sliding grooves of the two limit sliding plates 17 and are arranged in the sliding grooves.
The locating plate 13 of the locating mechanism 7 can drive the locating slide plate 15 to enter the locating groove 14 under the action of the slide plate driving mechanism 16 at the position of each station, the locating slide plate 15 is perpendicular to the locating slide plate 17 and the locating plate 13, the locating slide plate 15 is convenient to enter the locating groove 14 for limiting, the locating slide plate 17 can translate back and forth under the guidance of the locating pin 18 and the sliding groove, and when the driving shaft 11 rotates to drive the locating plate 13 to rotate, the locating slide plate 17 is at a position for clamping.
The slide driving mechanism 16 is a limit cam, the limit slide 17 is connected with one end of a return spring 19, and a spring 12 connector for connecting the other end of the return spring 19 is fixedly arranged on the front panel 1.
When the limit cam rotates under the drive of the input shaft, the protruding part of the cam contacts the limit slide plate 17 and pushes the limit slide plate 17, the return spring 19 is pulled away, and the positioning plate 13 on the output shaft 23 rotates to rotate the positioning groove 14 to a specified position to be matched with the positioning groove 14.
The drive shaft 11 is close to the one end of back panel 2 and installs drive plate 20 and drive crank arm 21, is provided with two drive plate 20 rollers of respectively with left shift fork back frid and right shift fork back frid complex on the drive plate 20, still is connected with output shaft 23 between front panel 1 and the back panel 2, installs output crank arm 24 on the output shaft 23, is connected with the connecting rod between output crank arm 24 and the drive crank arm 21, and output shaft 23's end connection has switch gear.
A plurality of support columns 25 are connected between the front panel 1 and the rear panel 2, and clamping grooves matched with the support columns 25 are formed in the left shifting fork front driving plate 6 and the right baffle plate 9.
The limiting mechanism of the utility model has the following working principle:
taking one station as an example, an operator rotates an input shaft through an operating handle, a limit cam on the input shaft pushes a limit slide plate 17 to move left and right, when a spring 12 is compressed to a minimum position, the limit slide plate 17 is completely pushed out, after the spring 12 passes through the limit position, the limit slide plate is released instantly to push a driving poking plate to rotate, the driving poking plate pushes a driving plate 20 to rotate, after a brake opening (brake-on function) is achieved, the limit cam is shifted, a positioning slide plate 15 is pulled back under the action of a reset spring 19, and the positioning slide plate 15 slides into a positioning groove 14 of a positioning plate 13, so that the driving plate 20 is prevented from swinging to achieve the positioning function.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides an isolator mechanism with stop device, its characterized in that includes front panel (1) and rear panel (2), front panel (1) and rear panel (2) parallel arrangement, install left input shaft (3) and right input shaft (4) on front panel (1), the bottom of left input shaft (3) is connected with left shift fork wheel hub (5), installs left shift fork front drive board (6) on left shift fork wheel hub (5), the bottom of right input shaft (4) is connected with right shift fork wheel hub (8), installs right baffle (9) on right shift fork wheel hub (8), be connected with drive shaft (11) between front panel (1) and rear panel (2), be connected with spring (12) between left input shaft (3) and right input shaft (4); install positioning mechanism (7) on front panel (1), drive shaft (11) be close to front panel (1) one end install with positioning mechanism (7) complex locating plate (13), be provided with two constant head tank (14) on locating plate (13), positioning mechanism (7) are provided with two with constant head tank (14) complex location slide (15), install slide actuating mechanism (16) on left input shaft (3) and right input shaft (4) respectively.
2. The isolating switch mechanism with the limiting device according to claim 1, wherein the positioning mechanism (7) comprises two limiting sliding plates (17) which are symmetrically arranged, the positioning sliding plates (15) are connected to the limiting sliding plates (17) and are integrally formed, sliding grooves are formed in the limiting sliding plates (17), positioning pins (18) are fixedly connected to the front panel (1), and the positioning pins (18) penetrate through the sliding grooves of the two limiting sliding plates (17) and are arranged in the sliding grooves.
3. The isolating switch mechanism with the limiting device according to claim 2, wherein the sliding plate driving mechanism (16) is a limiting cam, one end of a return spring (19) is connected to the limiting sliding plate (17), and a spring connector for connecting the other end of the return spring (19) is fixedly arranged on the front panel (1).
4. The disconnecting switch mechanism with limiting device according to claim 1, characterized in that one end of the driving shaft (11) close to the rear panel (2) is provided with a driving plate (20) and a driving crank arm (21), the driving plate (20) is provided with two driving plate (20) rollers which are respectively matched with the left shifting fork rear groove plate and the right shifting fork rear groove plate, an output shaft (23) is further connected between the front panel (1) and the rear panel (2), an output crank arm (24) is arranged on the output shaft (23), a connecting rod is connected between the output crank arm (24) and the driving crank arm (21), and the end part of the output shaft (23) is connected with a switch mechanism.
5. The isolating switch mechanism with the limiting device according to claim 1, wherein a plurality of support columns (25) are connected between the front panel (1) and the rear panel (2), and clamping grooves matched with the support columns (25) are formed in the left shifting fork front driving plate (6) and the right baffle plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223569338.8U CN219979419U (en) | 2022-12-30 | 2022-12-30 | Isolating switch mechanism with limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223569338.8U CN219979419U (en) | 2022-12-30 | 2022-12-30 | Isolating switch mechanism with limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979419U true CN219979419U (en) | 2023-11-07 |
Family
ID=88598404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223569338.8U Active CN219979419U (en) | 2022-12-30 | 2022-12-30 | Isolating switch mechanism with limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979419U (en) |
-
2022
- 2022-12-30 CN CN202223569338.8U patent/CN219979419U/en active Active
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