CN219979418U - Balanced type isolating switch mechanism - Google Patents
Balanced type isolating switch mechanism Download PDFInfo
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- CN219979418U CN219979418U CN202223569336.9U CN202223569336U CN219979418U CN 219979418 U CN219979418 U CN 219979418U CN 202223569336 U CN202223569336 U CN 202223569336U CN 219979418 U CN219979418 U CN 219979418U
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- input shaft
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- shifting fork
- supporting plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009979 protective mechanism Effects 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 a balanced isolating switch mechanism, which belongs to an isolating switch control driving mechanism and solves the problem of difficult operation of a handle of the isolating switch mechanism; the left input shaft and the right input shaft are respectively provided with an overrunning mechanism, the overrunning mechanism comprises a front supporting plate and a rear supporting plate which are respectively arranged on the left input shaft and the right input shaft, the front supporting plate and the rear supporting plate are mutually parallel, a movable sleeve is fixedly connected between the front supporting plate and the rear supporting plate, a movable groove is formed in the movable sleeve, the left input shaft and the right input shaft are respectively fixedly connected with an overrunning movable pin matched with the movable groove, and the overrunning movable pin is arranged at the end part of the movable groove; spring support columns are respectively connected between the front support plate and the rear support plate, and springs are connected between the two spring support columns. The utility model is used for directly arranging the protection mechanism on the input shaft to prevent the handle from being hit, thereby reducing the difficulty of disassembly and operation of the handle.
Description
Technical Field
The utility model belongs to the technical field of isolating switch control driving mechanisms, and particularly relates to a balanced isolating switch mechanism.
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 grounding and switching on, the existing isolating switch mechanism can rapidly rotate along with spring force when the spring is released due to release of spring energy, the handle can rapidly rotate at the moment and is easy to hit an operator, certain potential danger exists, the connecting position of the handle is usually improved in the prior art, the connecting complexity of the handle is increased, and the handle is more difficult to operate.
Disclosure of Invention
The utility model aims at:
in order to solve the problem that the handle is more difficult to operate due to the fact that the complexity of disassembling and assembling the handle is increased when the isolating switch mechanism is used for making a protecting device for the handle in the prior art, the balance type isolating switch mechanism is provided.
The technical scheme adopted by the utility model is as follows:
a balanced isolating switch mechanism comprises a front panel and a rear panel, wherein the front panel and the rear panel are arranged in parallel, and a left input shaft and a right input shaft are arranged on the front panel; the bottom end of the left input shaft is connected with a left shifting fork hub, the left shifting fork hub is arranged on the rear panel, and a left shifting fork front driving plate and a left shifting fork rear groove plate are arranged on the left shifting fork hub; the bottom end of the right input shaft is connected with a right shifting fork hub, the right shifting fork hub is arranged on the rear panel, and a right baffle and a right shifting fork rear groove plate are arranged on the right shifting fork hub;
the left input shaft and the right input shaft are respectively provided with an overrunning mechanism, the overrunning mechanism comprises a front supporting plate and a rear supporting plate which are respectively arranged on the left input shaft and the right input shaft, the front supporting plate and the rear supporting plate are mutually parallel to each other, a movable sleeve is fixedly connected between the front supporting plate and the rear supporting plate, a movable groove is formed in the movable sleeve, the left input shaft and the right input shaft are respectively fixedly connected with an overrunning movable pin matched with the movable groove, and the overrunning movable pin is arranged at the end part of the movable groove; spring support columns are connected between the front support plate and the rear support plate respectively, and springs are connected between the two spring support columns.
Further, be connected with the drive shaft between front panel and the rear panel, drive plate and drive turning arm are installed respectively at the both ends of drive shaft, be provided with respectively with left shift fork back frid and right shift fork back frid complex two drive plate rollers on the drive plate, still be provided with the spliced pole on the drive plate, install the reinforcing plate on spliced pole and the two drive plate rollers, set up three reinforcing plate mounting hole that is used for holding drive plate roller and spliced pole on the reinforcing plate, the outward flange shape of reinforcing plate comprises circular and arc.
Further, the ratio of the distances between the three reinforcing plate mounting holes is 56 to 60: 65-69: 70-74.
Further, an output shaft is further connected between the front panel and the rear panel, an output crank arm is mounted on the output shaft, a driving crank arm is mounted on the driving shaft, a connecting rod is connected between the output crank arm and the driving crank arm, and the end part of the output shaft is connected with a switch mechanism.
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 sets up the overrunning mechanism on the input shaft, its function principle is, when rotating the input shaft with the operating handle to operate, overrunning movable pin on the input shaft blocks one end of the movable groove, drive the movable sleeve to rotate together too, when the spring rotates to the release position in the course of operation, the spring drives front support plate and back support plate to rotate fast, thus drive movable sleeve to rotate fast too, and the movable pin moves from one end of the movable groove to another end of movable sleeve while keeping the position unchanged, thus guarantee the input shaft realizes releasing by the spring, realize the hand lever will not rotate and hit the human hand fast when the spring ejects, protect the safety of the operator, compared with setting up the protective mechanism in the junction of the hand lever in the prior art, the utility model has reduced the structural complexity of the hand lever, reduced the length of the hand lever, reduced the possibility of the misoperation of the hand lever, easy to disassemble the hand lever at the same time.
Compared with the existing isolating switch mechanism, the utility model changes the position of the spring, so that the spring is symmetrically arranged with the original position, and the operation linkage mechanism related to the spring is also symmetrically arranged, and the same function can be realized only by operating in the opposite direction to the original operation direction during operation, so that the position of the spring is positioned at the position outside the isolating switch mechanism on the premise that the function of the spring is unchanged, thereby facilitating the overhaul and maintenance, and avoiding the problem of difficult operation under the condition that the spring needs to be replaced after long-term use.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a right side view of the present utility model;
FIG. 4 is a top view of the present utility model;
FIG. 5 is a cross-sectional view in the B-B direction of the present utility model;
FIG. 6 is a cross-sectional view in the direction C-C of the present utility model.
The marks in the figure: 1-front panel, 2-rear panel, 3-left input shaft, 4-right input shaft, 5-left fork hub, 6-left fork front drive plate, 7-left fork rear slot plate, 8-right fork hub, 9-right baffle, 10-right fork rear slot plate, 11-drive shaft, 12-drive plate, 13-drive crank arm, 14-drive plate roller, 15-output shaft, 16-output crank arm, 17-front support plate, 18-rear support plate, 19-support column, 20-movable sleeve, 21-connecting rod, 22-movable slot, 23-overrun movable pin, 24-spring, 25-reinforcing column, 26-reinforcing plate.
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 relates to a balanced isolating switch mechanism, which comprises a front panel and a rear panel, wherein the front panel and the rear panel are arranged in parallel, and a left input shaft and a right input shaft are arranged on the front panel; the bottom end of the left input shaft is connected with a left shifting fork hub, the left shifting fork hub is arranged on the rear panel, and a left shifting fork front driving plate and a left shifting fork rear groove plate are arranged on the left shifting fork hub; the bottom end of the right input shaft is connected with a right shifting fork hub, the right shifting fork hub is arranged on the rear panel, and a right baffle and a right shifting fork rear groove plate are arranged on the right shifting fork hub;
the left input shaft and the right input shaft are respectively provided with an overrunning mechanism, the overrunning mechanism comprises a front supporting plate and a rear supporting plate which are respectively arranged on the left input shaft and the right input shaft, the front supporting plate and the rear supporting plate are mutually parallel to each other, a movable sleeve is fixedly connected between the front supporting plate and the rear supporting plate, a movable groove is formed in the movable sleeve, the left input shaft and the right input shaft are respectively fixedly connected with an overrunning movable pin matched with the movable groove, and the overrunning movable pin is arranged at the end part of the movable groove; spring support columns are connected between the front support plate and the rear support plate respectively, and springs are connected between the two spring support columns.
The driving plate and the driving crank arm are respectively installed at two ends of the driving shaft, two driving plate rollers which are matched with the left shifting fork rear groove plate and the right shifting fork rear groove plate are arranged on the driving plate, a reinforcing column is further arranged on the driving plate, a reinforcing plate is installed on the reinforcing column and the two driving plate rollers, three reinforcing plate installation holes for accommodating the driving plate rollers and the reinforcing column are formed in the reinforcing plate, and the outer edge of the reinforcing plate is formed by a circle and an arc.
Further, the ratio of the distances between the three reinforcing plate mounting holes is 56 to 60: 65-69: 70-74. Preferably, the ratio of the distances between the three reinforcing plate mounting holes is 58:67:72. the ratio of the distances between the reinforcing plate mounting holes may also be set to 56:65: 70. 60:69:74, etc.
The distance between the reinforcing plate mounting holes can be adjusted, the distance between the driving plate rollers can be changed, and the closing and grounding speeds operated in two directions can be changed, so that the speed balance of the closing and grounding is adjusted, and the same speed in the operation process can be ensured when the gravity is overcome and the gravity is utilized.
The connecting lines among the three reinforcing plate mounting holes of the reinforcing plate are triangular, so that the reinforcing plate is triangular, and the reinforcing plate plays a role in fixing and supporting.
An output shaft is further connected between the front panel and the rear panel, an output crank arm is mounted on the output shaft, a driving crank arm is mounted on the driving shaft, a connecting rod is connected between the output crank arm and the driving crank arm, and the end part of the output shaft is connected with a switch mechanism. A plurality of support columns are connected between the front panel and the rear panel, and clamping grooves matched with the support columns are formed in the left shifting fork front driving plate and the right baffle.
The working principle of the utility model is as follows:
according to the purpose of required operation, select the input of combined floodgate and ground connection, rotatory input shaft with operating handle, the epaxial surpass movable pin of input blocks the one end of movable groove, drive movable sleeve and also rotate together, when the spring rotates to the release position in the operation in-process, the spring drives preceding backup pad and back backup pad and rotates fast, thereby drive movable sleeve and also rotate fast, and the movable pin then moves to the other end from the one end of movable groove on the movable sleeve when keeping the position unchanged, thereby guarantee that the input shaft realizes releasing under the unchangeable condition spring, the drive plate roller on the drive plate is stirred to the shift fork on the input shaft, drive the drive plate and rotate, thereby drive the drive shaft and rotate, the drive shaft drives output shaft through connecting rod and output turning arm and rotates and export, thereby operate isolator.
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 balanced isolating switch mechanism is characterized by comprising a front panel (1) and a rear panel (2), wherein the front panel (1) and the rear panel (2) are arranged in parallel, and a left input shaft (3) and a right input shaft (4) are arranged on the front panel (1); the bottom end of the left input shaft (3) is connected with a left shifting fork hub (5), the left shifting fork hub (5) is arranged on the rear panel (2), and a left shifting fork front driving plate (6) and a left shifting fork rear groove plate (7) are arranged on the left shifting fork hub (5); the bottom end of the right input shaft (4) is connected with a right shifting fork hub (8), the right shifting fork hub (8) is arranged on the rear panel (2), and a right baffle (9) and a right shifting fork rear groove plate (10) are arranged on the right shifting fork hub (8);
the left input shaft (3) and the right input shaft (4) are respectively provided with an overrunning mechanism, the overrunning mechanisms comprise a front supporting plate (17) and a rear supporting plate (18) which are respectively arranged on the left input shaft (3) and the right input shaft (4), the front supporting plate (17) and the rear supporting plate (18) are mutually arranged in parallel, a movable sleeve (20) is fixedly connected between the front supporting plate (17) and the rear supporting plate (18), a movable groove (22) is formed in the movable sleeve (20), and overrunning movable pins (23) matched with the movable groove (22) are respectively and fixedly connected to the left input shaft (3) and the right input shaft (4), and the overrunning movable pins (23) are arranged at the end parts of the overrunning movable groove (22); the front support plate (17) and the rear support plate (18) are respectively connected with a spring (24) support column (19), and the springs (24) are connected between the two spring (24) support columns (19).
2. The balanced isolating switch mechanism according to claim 1, characterized in that a driving shaft (11) is connected between the front panel (1) and the rear panel (2), driving plates (12) and driving crank arms (13) are respectively installed at two ends of the driving shaft (11), two driving plate (12) rollers which are respectively matched with the left shifting fork rear groove plate (7) and the right shifting fork rear groove plate (10) are arranged on the driving plates (12), reinforcing columns (25) are further arranged on the driving plates (12), reinforcing plates (26) are installed on the reinforcing columns (25) and the two driving plate (12) rollers, three reinforcing plate (26) installation holes for accommodating the driving plate (12) rollers and the reinforcing columns (25) are formed in the reinforcing plates (26), and the outer edge shape of each reinforcing plate (26) is composed of a circle and an arc.
3. A balanced disconnector mechanism according to claim 2, characterized in that the ratio of the distances between the mounting holes of the three reinforcing plates (26) is 56-60: 65-69: 70-74.
4. A balanced disconnector mechanism according to claim 2, characterized in that an output shaft (15) is further connected between the front panel (1) and the rear panel (2), an output lever (16) is mounted on the output shaft (15), a driving lever (13) is mounted on the driving shaft (11), a connecting rod (21) is connected between the output lever (16) and the driving lever (13), and the end of the output shaft (15) is connected with the switch mechanism.
5. The balanced isolating switch mechanism according to claim 1, wherein a plurality of support columns (19) are connected between the front panel (1) and the rear panel (2), and clamping grooves matched with the support columns (19) 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 |
|---|---|---|---|
| CN202223569336.9U CN219979418U (en) | 2022-12-30 | 2022-12-30 | Balanced type isolating switch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223569336.9U CN219979418U (en) | 2022-12-30 | 2022-12-30 | Balanced type isolating switch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979418U true CN219979418U (en) | 2023-11-07 |
Family
ID=88597532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223569336.9U Active CN219979418U (en) | 2022-12-30 | 2022-12-30 | Balanced type isolating switch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979418U (en) |
-
2022
- 2022-12-30 CN CN202223569336.9U patent/CN219979418U/en active Active
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