CN218414380U - Transmission device for high-voltage isolating switch - Google Patents
Transmission device for high-voltage isolating switch Download PDFInfo
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- CN218414380U CN218414380U CN202221885283.9U CN202221885283U CN218414380U CN 218414380 U CN218414380 U CN 218414380U CN 202221885283 U CN202221885283 U CN 202221885283U CN 218414380 U CN218414380 U CN 218414380U
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Abstract
The utility model provides a transmission for high pressure isolator relates to high pressure isolator's technical field, including the axis of rotation that rotates the setting, there is the driving arm at the tip splined connection of axis of rotation, and the driving arm is used for increasing the arm of force, and both perpendicular settings of driving arm and axis of rotation have a transmission fork in the one end of keeping away from the axis of rotation at the driving arm, and its axis of rotation parallels with the gyration axis of transmission shaft, and the one end of keeping away from the driving arm at the transmission fork is connected with the application of force pole that is used for applying the effort. The device has the advantages of improving the production efficiency of the high-voltage isolating switch by improving the assembly efficiency between the rotating shaft and the transmission arm.
Description
Technical Field
The utility model relates to a high voltage isolator's technical field especially relates to a transmission for high voltage isolator.
Background
The high-voltage isolating switch ensures the safety of high-voltage electrical appliances and devices during maintenance work, plays a role of isolating voltage, cannot be used for cutting off, putting in load current and cutting off short-circuit current, and can only be used for certain switching operations without generating strong electric arcs, namely, the high-voltage isolating switch does not have an arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment.
In the prior art, according to the chinese patent application with application publication No. CN103137378a, an ac high-voltage isolator is disclosed, which includes a driving device and a transmission system of the high-voltage isolator, wherein a driving mechanism generates rotational power to drive a transmission link rod vertically connected to the driving mechanism to rotate, the transmission link rod drives a transmission connecting lever connected to the transmission link rod to rotate, so that the transmission connecting lever drives the transmission connecting lever connected to the transmission link rod to push the transmission connecting lever connected to the transmission link rod, the connecting lever is fixed on a rotating shaft, the transmission connecting lever drives a transmission rod, the transmission rod drives the connecting lever to rotate, the connecting lever rotates to drive a main transmission shaft to rotate, the main transmission shaft drives the connecting lever to rotate, the connecting lever drives an insulating support to move, and the switching-on and switching-off of the switch are completed.
In the prior art, the transmission arm and the rotating shaft are fastened by pins, and when the device is installed, the pins need to be fixed on site due to the fact that the relative position between the transmission arm and the rotating shaft needs to be adjusted, so that the installation efficiency of the device is low, and the yield of the high-voltage isolating switch is affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the scheme provides the transmission device for the high-voltage isolating switch, and the problem that the product yield is influenced due to the fact that the assembly efficiency between the transmission arm and the rotating shaft of the high-voltage isolating switch is low is solved.
According to the utility model discloses an embodiment, a transmission for high pressure isolator, including the axis of rotation that rotates the setting, there is the driving arm at the tip splined connection of axis of rotation, and the driving arm is used for increasing the arm of force, and both perpendicular settings of driving arm and axis of rotation have a transmission fork to keep away from the one end of axis of rotation at the driving arm, and its rotation axis parallels with the gyration axis of transmission shaft, and the one end of keeping away from the driving arm at the transmission fork is connected with the application of force pole that is used for applying the effort.
Through the technical scheme, when the transmission device is installed, the angles of the rotating shaft and the transmission arm are adjusted, and the transmission arm is arranged on the rotating shaft in a penetrating mode, so that compared with a traditional structure adopting pin connection, the structure adopting spline connection is more convenient and quicker to install, and the transmission process is more reliable; adopt splined connection's structure, can conveniently adjust the contained angle between axis of rotation and the drive arm, and then conveniently debug the device, and then increase the practicality and the installation effectiveness of device, improved high-voltage isolator's installation effectiveness.
Preferably, the transmission arm is screwed with an abutting piece, and the abutting piece is used for abutting against the rotating shaft.
Through above technical scheme, the butt piece is used for the butt axis of rotation to fixed transmission arm reduces when the device during operation at the horizontal position of axis of rotation, can prevent that the transmission arm from taking place the possibility of displacement along axis of rotation length direction, and then improves the reliability of device.
Preferably, a plurality of hinge holes are circumferentially formed in one end, far away from the rotating shaft, of the transmission arm, and the transmission fork is hinged in one of the hinge holes.
Through above technical scheme, when articulating the transmission fork on the driving arm, can select suitable hinge hole according to the position of driving arm to produce the dead point and the possibility that can not normally work when preventing to move between transmission fork and the driving arm, further improved the reliability of device.
Preferably, the length direction of the force application rod is arranged along the direction perpendicular to the rotating shaft, and the force application rod is in threaded connection with the transmission fork.
Through the technical scheme, the force application rod is connected to the transmission fork in a threaded mode, the relative length of the force application rod can be conveniently adjusted, and the possibility that the force application rod is too long and is bent is reduced.
Preferably, a fastening nut is further connected to the force application rod through threads.
Through above technical scheme, after adjusting the relative length of application of force pole on the driving fork, utilize fastening nut to fasten it, reduce in the follow-up use the application of force pole and take place pivoted possibility again, and then guarantee the relative position of application of force pole and driving fork.
Preferably, the transmission arm and the transmission fork are both arranged in a bent mode.
Through above technical scheme, with the crooked setting of driving arm and driving fork, can improve elastic modulus between them, in the in-service use process, if both receive too big effort, a certain amount of elastic deformation can take place for both, reduces to take place plastic deformation and takes place the possibility of damage, has increased the reliability of device.
Compared with the prior art, the utility model discloses one of following beneficial effect has at least:
1. the angle between the rotating shaft and the transmission arm can be conveniently adjusted by utilizing the spline connection structure of the rotating shaft and the transmission arm of the device, and the transmission shaft is abutted by utilizing the abutting piece to complete the positioning and fastening between the transmission shaft and the transmission arm, so that the installation and debugging process of the device is more convenient, the installation of a high-voltage isolating switch is favorably improved, and the yield of the high-voltage isolating switch is further improved;
2. the hinge positions of the transmission forks can be conveniently changed according to requirements by utilizing the hinge holes arranged on the transmission arms, the possibility of dead points generated when the transmission forks and the transmission forks move is reduced, and the reliability of the device is further improved;
3. the utilization is the structure that transmission arm and transmission fork are crooked to set up, can improve elastic modulus between them, can prevent both possibilities that take place plastic deformation in certain extent, further improves the reliability of device.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
fig. 2 is a schematic structural view of fig. 1 from another view angle.
In the above drawings: 1. a rotating shaft; 11. a spline; 2. a drive arm; 21. a splined bore; 22. a hinge hole; 23. a threaded hole; 3. a transmission fork; 4. a force application rod; 41. fastening a nut; 5. an abutting member; 6. a retaining ring.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
The utility model provides a transmission for high voltage isolator, refer to fig. 1-2, including rotating axis of rotation 1 that sets up, there is driving arm 2 at the tip splined connection of axis of rotation 1, driving arm 2 is used for increasing the arm of force, both perpendicular settings of driving arm 2 and axis of rotation 1, it has transmission fork 3 to keep away from the one end of axis of rotation 1 at driving arm 2, its rotation axis parallels with the gyration axis of transmission shaft 1, the one end of keeping away from driving arm 2 at transmission fork 3 is connected with the pole of exerting force 4 that is used for applying the effort.
When installing the device in high-pressure isolator, with the angle modulation between axis of rotation 1 and the transmission arm 2, wear to establish on axis of rotation 1 with transmission arm 2, can with other spare part assembled joint. Compare traditional structure that uses pin joint, utilize the transmission of this structure, convenience more when assembling need not carry out the scene and join in marriage the work, is favorable to improving the packaging efficiency of device, and then increases high voltage isolator's production efficiency.
The rotating shaft 1 is a cylindrical member, and in order to be able to withstand a large torque, the rotating shaft 1 may be made of round steel, and a spline 11 is formed at an end portion thereof.
The transmission arm 2 is a long strip-shaped component, the transmission arm 2 can be made of a steel plate, a spline hole 21 matched with the spline 11 is formed in one end of the transmission arm 2, the length direction of the spline hole 21 is perpendicular to the length direction of the transmission arm 2, and one end of the rotating shaft 1 provided with the spline 11 is connected in the spline hole 21 in a key mode.
The transmission arm 2 is provided with a threaded hole 23 toward the rotating shaft 1, the threaded hole 23 is a through hole, the threaded hole 23 is internally threaded with an abutting piece 5 for abutting against the rotating shaft 1, the abutting piece 5 is used for preventing the transmission arm 2 from displacing along the length direction of the rotating shaft 1, and the abutting piece 5 can be made of a bolt.
The transmission fork 3 is U type component, and transmission fork 3 can adopt the steel sheet to weld or buckle the preparation, and the open end of transmission fork 3 articulates the tip of keeping away from axis of rotation 1 at transmission arm 2.
In order to reduce the possibility of dead points generated during the movement between the transmission fork 3 and the transmission arm 2, a plurality of hinge holes 22 are circumferentially formed in one end, far away from the rotating shaft 1, of the transmission arm 2, the length direction of each hinge hole 22 is parallel to the rotating axis of the rotating shaft 1, and the transmission fork 3 is rotatably arranged in one hinge hole 22 through a hinge.
When connecting between 3 with the driving yoke and the driving arm 2, for making the middle part position that driving arm 2 is located driving yoke 3, all be provided with holding ring 6 in the both sides of driving arm 2, holding ring 6 adopts the hinge to wear to establish to the setting is in the opening of driving yoke 3.
A fastening nut 41 is also intercepted on the force application rod 4 in a threaded manner, and the fastening nut 41 is used for fastening the force application rod 4, so that the possibility of relative displacement between the force application rod 4 and the transmission fork 3 in the use process of the device is reduced.
The transmission arm 2 and the transmission fork 3 are arranged in a vertical plane in a bent mode, the curvature radius of the transmission arm and the transmission fork can be made as required, the structure with the bending arrangement of the transmission arm and the transmission fork is utilized, the elastic modulus of the transmission arm and the transmission fork can be increased, elastic deformation can occur under the acting force of a certain size, the possibility of plastic deformation of parts is reduced, and the reliability of the device is improved.
The application discloses an implementation principle of a transmission device for a high-voltage isolating switch is:
when installing the device in high-pressure isolator, can adjust the angle of transmission arm 2 and axis of rotation 1 as required, treat to adjust the back, wear to establish transmission arm 2 on the spline 11 of axis of rotation 1, at the concrete position of adjustment transmission arm 2 on spline 11, use butt piece 5 to fasten it can. The spline connection structure is adopted, so that the device can be conveniently adjusted and installed, the installation efficiency is improved, and the purpose of increasing the production efficiency of the high-voltage isolating switch is further achieved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A transmission device for a high-voltage isolating switch is characterized in that: including rotation axis (1) that rotates the setting, there are driving arm (2) at the tip splined connection of rotation axis (1), driving arm (2) are used for increasing the arm of force, both perpendicular settings in driving arm (2) and rotation axis (1), the one end of keeping away from rotation axis (1) in driving arm (2) articulates there is transmission fork (3), its rotation axis parallels with the gyration axis of transmission shaft (1), the one end of keeping away from driving arm (2) in transmission fork (3) is connected with application of force pole (4) that are used for applying the effort.
2. A transmission for a high voltage disconnector according to claim 1, characterized in that: the transmission arm (2) is connected with an abutting piece (5) in a threaded mode, and the abutting piece (5) is used for abutting against the rotating shaft (1).
3. A transmission for a high voltage disconnector according to claim 1, characterized in that: a plurality of hinge holes (22) are circumferentially formed in one end, far away from the rotating shaft (1), of the transmission arm (2), and the transmission fork (3) is hinged in one hinge hole (22).
4. A transmission for a high voltage disconnector according to claim 1, characterized in that: the length direction of the force application rod (4) is arranged along the direction vertical to the rotating shaft (1), and the force application rod (4) is in threaded connection with the transmission fork (3).
5. A transmission for a high-voltage disconnector according to claim 4, characterized in that: and the force application rod (4) is also in threaded connection with a fastening nut (41).
6. A transmission for a high voltage disconnector according to claim 1, characterized in that: the transmission arm (2) and the transmission fork (3) are both arranged in a bending mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221885283.9U CN218414380U (en) | 2022-07-21 | 2022-07-21 | Transmission device for high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221885283.9U CN218414380U (en) | 2022-07-21 | 2022-07-21 | Transmission device for high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218414380U true CN218414380U (en) | 2023-01-31 |
Family
ID=85012990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221885283.9U Active CN218414380U (en) | 2022-07-21 | 2022-07-21 | Transmission device for high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218414380U (en) |
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2022
- 2022-07-21 CN CN202221885283.9U patent/CN218414380U/en active Active
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