CN213459471U - VSH operating mechanism - Google Patents
VSH operating mechanism Download PDFInfo
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- CN213459471U CN213459471U CN202022570554.9U CN202022570554U CN213459471U CN 213459471 U CN213459471 U CN 213459471U CN 202022570554 U CN202022570554 U CN 202022570554U CN 213459471 U CN213459471 U CN 213459471U
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Abstract
The utility model relates to a VSH operating mechanism, which comprises a shell, a closing transmission mechanism and an opening transmission mechanism; the switching-on transmission mechanism comprises a switching-on half shaft and a switching-on lever; the opening transmission mechanism comprises an opening half shaft and an opening lever, so that the parts of the closing transmission mechanism and the opening transmission mechanism are reduced, the cost is reduced, and the requirements of a new national power grid are met.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to VSH operating device.
Background
And the VSH operating mechanism is used for controlling the opening and closing movement of the circuit breaker.
As shown in fig. 1, a conventional operating mechanism includes a housing 11, wherein the housing 11 is provided with an energy storage mechanism, a main shaft, a closing transmission mechanism, an opening transmission mechanism, a holding latch 17 and a cam 16, and the holding latch 17 and the cam 16 are sleeved on the main shaft;
the closing transmission mechanism and the opening transmission mechanism both comprise an electromagnet 12, a push plate 13, a connecting rod 14 and a rotating piece 15; the push plates of the closing transmission mechanism and the opening transmission mechanism are rotatably arranged on the first mounting shaft, the two rotating parts are mounted on the second mounting shaft, and the two ends of the connecting rod respectively intercept the push plates and the rotating parts; the rotating part of the switching-on transmission mechanism is used for being matched with the cam, and the connecting part of the switching-off transmission mechanism is matched with the holding pawl.
The energy storage mechanism drives the cam to rotate to store energy, then the cam abuts against a rotating piece of the switching-on transmission mechanism, when the breaker needs to be switched on, an electromagnet of the switching-on transmission mechanism stretches out to drive a push plate of the switching-on transmission mechanism to rotate, the rotating piece is driven to rotate through the pull rod and is disengaged from the cam, the cam rotates to be matched with the main shaft to drive the main shaft to perform switching-on motion, at the moment, one end of a holding pawl of the switching-off transmission mechanism hooks the main shaft, the other end of the holding pawl abuts against a rotating machine of the switching-off transmission mechanism, when switching-off needs to be performed, the electromagnet of the switching-off transmission mechanism stretches out to drive the push plate of the switching-off transmission mechanism, the connecting rod and the rotating piece to move, and the holding pawl is disengaged from the connecting.
Problems with the current VSH operating mechanism are: the opening transmission mechanism and the closing transmission mechanism need to be matched with the cam or a pawl through a push plate, a connecting rod and a rotating piece, and the traditional opening transmission mechanism have the problems of complex structure and many parts, so that the new requirements of the standardization of the national network are not met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the VSH operating mechanism is provided, and the problems that a closing transmission mechanism and an opening transmission mechanism in the conventional VSH operating mechanism are complex in structure and many in parts are solved.
The utility model provides a technical scheme that its technical problem adopted is:
a VSH operation mechanism comprises a casing
The closing transmission mechanism is arranged on the shell and is suitable for driving the main shaft of the circuit breaker to perform closing motion; and
the opening transmission mechanism is arranged on the shell and is suitable for driving the main shaft to perform opening movement;
the switching-on transmission mechanism comprises a switching-on half shaft and a switching-on lever, the switching-on lever comprises a first switching-on part, a first upper abutting part and a first lower abutting part, and a first disengaging opening is formed in the switching-on half shaft; the closing lever is in elastic rotation fit with the shell through a first transfer part, the first upper abutting part is suitable for abutting against a closing half shaft, and the first lower abutting part is suitable for being matched with the cam;
the brake separating transmission mechanism comprises a brake separating half shaft and a brake separating lever, the brake separating lever comprises a second switching part, a second upper abutting part and a second lower abutting part, and a second disengaging opening is formed in the brake separating half shaft; the opening lever is in elastic rotation fit with the shell through a second switching part, the second upper abutting part is suitable for abutting against the opening half shaft, and the second lower abutting part is suitable for being matched with the holding pawl.
Furthermore, a closing electromagnet and a breaking electromagnet are arranged on the shell, and the closing electromagnet is suitable for driving a closing half shaft to rotate so as to enable the first upper abutting part of the closing lever to be separated from the first disengaging opening of the closing half shaft;
the operation of the opening electromagnet is suitable for driving the opening half shaft to rotate, so that the second upper abutting part of the opening lever is separated from the second opening of the opening half shaft.
Further, an installation shaft is arranged on the machine shell, a first switching portion of the closing lever and a second switching portion of the opening lever are sleeved on the installation shaft, a first torsion spring and a second torsion spring are sleeved on the installation shaft, the first torsion spring is connected with the closing lever and the installation shaft, and the second torsion spring is connected with the opening lever and the installation shaft.
Furthermore, a first push plate is arranged on the switching-on half shaft and is suitable for being matched with a switching-on electromagnet;
and a second push plate is arranged on the opening half shaft and is suitable for being matched with the opening electromagnet.
Furthermore, a first limit shaft and a second limit shaft are arranged on the casing, and the first limit shaft is suitable for being abutted against the switching-on half shaft to limit the rotating position of the switching-on half shaft; the second limiting shaft is suitable for being abutted to the opening half shaft to limit the rotating position of the opening half shaft.
The utility model has the advantages that:
the VSH operating mechanism is provided, a switching-on transmission mechanism and a switching-off transmission mechanism are re-optimized, and a half shaft and a connecting rod with a brand-new design are adopted, so that the parts of the switching-on transmission mechanism and the switching-off transmission mechanism are reduced, the cost is reduced, and the VSH operating mechanism is suitable for the requirements of new national power grids.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a prior art VSH operating mechanism;
the device comprises a shell 11, a shell 12, an electromagnet 13, a push plate 14, a connecting rod 15, a rotating piece 16, a cam 17 and a holding pawl;
figures 2 and 3 are schematic views of the VSH operating mechanism of the present invention;
FIG. 4 is a schematic view of a closing gear and an opening gear;
the device comprises a shell, a closing electromagnet, a closing half shaft, a closing lever, a first disengaging opening, a closing lever, a first lower abutting part, a first limiting shaft, a first;
31. the brake-separating electromagnet 32, a brake-separating half shaft 32A, a second disengaging opening 33, a brake-separating lever 33A, a second lower abutting part 34, a second limiting shaft 35 and a holding pawl.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 2 to 4, a VSH operating mechanism includes a housing 1;
the closing transmission mechanism is arranged on the shell 1 and is suitable for driving the main shaft of the circuit breaker to perform closing motion; and
the opening transmission mechanism is arranged on the machine shell 1 and is suitable for driving the main shaft to perform opening movement;
the switching-on transmission mechanism comprises a switching-on half shaft 22 and a switching-on lever 23, the switching-on lever 23 comprises a first switching-on part, a first upper abutting part and a first lower abutting part 23A, and a first disengaging opening 22A is formed in the switching-on half shaft 22; the closing lever 23 is elastically and rotatably matched with the casing 1 through a first transfer part, the first upper abutting part is suitable for abutting against the closing half shaft 22, and the first lower abutting part 23A is suitable for being matched with the cam 25;
the opening transmission mechanism comprises an opening half shaft 32 and an opening lever 33, the opening lever 33 comprises a second switching part, a second upper abutting part and a second lower abutting part 33A, and a second disengaging opening 32A is formed in the opening half shaft 32; the opening lever 33 forms an elastic rotation fit with the casing 1 through a second switching part, the second upper abutment part is suitable for abutting against the opening half shaft 32, and the second lower abutment part 33A is suitable for cooperating with the holding pawl 35.
Specifically, in this embodiment, the housing 1 is provided with a closing electromagnet 21 and a breaking electromagnet 31, and the closing electromagnet 21 is adapted to drive the closing half shaft 22 to rotate, so that the first upper abutting portion of the closing lever 23 is disengaged from the first disengaging opening 22A of the closing half shaft 22;
the opening electromagnet 31 is operatively adapted to rotate the opening half-shaft 32 so as to disengage the second upper abutment of the opening lever 33 from the second disengaging opening 32A of the opening half-shaft 32.
Specifically, in this embodiment, set up the installation axle on the casing 1, the epaxial installation of epaxial suit of first switching portion and the second switching portion of separating brake lever 33 of closing lever 23, epaxial first torsional spring and the second torsional spring of cup jointing of installation, closing lever 23 and installation axle are connected to first torsional spring, separating brake lever 33 and installation axle are connected to the second torsional spring.
Specifically, in this embodiment, a first push plate is disposed on the closing half shaft 22, and the first push plate is suitable for being matched with the closing electromagnet 21;
and a second push plate is arranged on the opening half shaft 32 and is suitable for being matched with the opening electromagnet 31.
Specifically, in this embodiment, the casing 11 is provided with a first limiting shaft 24 and a second limiting shaft 34, and the first limiting shaft 24 is adapted to abut against the closing half shaft 22 to limit the rotation position of the closing half shaft 22; the second limit shaft 34 is adapted to abut the opening half shaft 32 to limit the rotational position of the opening half shaft 32.
The working process is as follows: the motor works, an energy storage mechanism of the VSH operation mechanism is controlled to store energy, and after the energy storage is finished; when the closing is required, the closing electromagnet 21 works to push the first push plate to drive the closing half shaft 22 to rotate, so that the first disengaging port 22A on the closing half shaft 22 faces the first upper abutting portion of the closing lever 23, at the moment, the closing lever 23 is disengaged from the first disengaging port 22A, the closing lever 23 is not at the position of the limiting cam 25, the cam 25 rotates to drive the main shaft to rotate to the closing position, when the main shaft rotates to the closing position, the lower end of the pawl 35 is kept to hook the main shaft, and the upper end of the pawl 35 is kept to abut against the second lower abutting portion 33A of the opening lever 33; when the brake is required to be opened, the opening electromagnet 31 extends out to push the second push plate to drive the opening half shaft 32 to rotate, and then the second upper abutting part of the opening lever 33 is separated from the second separating opening 32A, so that the second lower abutting part 33A of the opening lever 33 is dragged with the holding pawl 35, and the main shaft is rotated to the opening position.
The utility model discloses a VSH operating device has optimized inside combined floodgate drive mechanism and separating brake drive mechanism, has designed semi-axis structure, and it is rotatory to drive the semi-axis through the electro-magnet, realizes the rotation of combined floodgate lever and separating brake lever 33, makes that the transmission that divides, combined floodgate is simpler, the part reduces, satisfies the requirement of present national electric wire netting.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A VSH operating mechanism is characterized by comprising a casing
The closing transmission mechanism is arranged on the shell and is suitable for driving the main shaft of the circuit breaker to perform closing motion; and
the opening transmission mechanism is arranged on the shell and is suitable for driving the main shaft to perform opening movement;
the switching-on transmission mechanism comprises a switching-on half shaft and a switching-on lever, the switching-on lever comprises a first switching-on part, a first upper abutting part and a first lower abutting part, and a first disengaging opening is formed in the switching-on half shaft; the closing lever is in elastic rotation fit with the shell through a first transfer part, the first upper abutting part is suitable for abutting against a closing half shaft, and the first lower abutting part is suitable for being matched with the cam;
the brake separating transmission mechanism comprises a brake separating half shaft and a brake separating lever, the brake separating lever comprises a second switching part, a second upper abutting part and a second lower abutting part, and a second disengaging opening is formed in the brake separating half shaft; the opening lever is in elastic rotation fit with the shell through a second switching part, the second upper abutting part is suitable for abutting against the opening half shaft, and the second lower abutting part is suitable for being matched with the holding pawl.
2. The VSH operating mechanism of claim 1,
the shell is provided with a closing electromagnet and a breaking electromagnet, and the closing electromagnet is suitable for driving a closing half shaft to rotate so as to enable a first upper abutting part of the closing lever to be disengaged from a first disengaging opening of the closing half shaft;
the operation of the opening electromagnet is suitable for driving the opening half shaft to rotate, so that the second upper abutting part of the opening lever is separated from the second opening of the opening half shaft.
3. The VSH operating mechanism according to claim 1 or 2,
the casing is provided with an installation shaft, a first switching part of the closing lever and a second switching part of the opening lever are sleeved on the installation shaft, the installation shaft is sleeved with a first torsion spring and a second torsion spring, the first torsion spring is connected with the closing lever and the installation shaft, and the second torsion spring is connected with the opening lever and the installation shaft.
4. The VSH operating mechanism of claim 2,
a first push plate is arranged on the switching-on half shaft and is suitable for being matched with a switching-on electromagnet;
and a second push plate is arranged on the opening half shaft and is suitable for being matched with the opening electromagnet.
5. The VSH operating mechanism of claim 1,
the shell is provided with a first limiting shaft and a second limiting shaft, and the first limiting shaft is suitable for being abutted against the switching-on half shaft to limit the rotating position of the switching-on half shaft; the second limiting shaft is suitable for being abutted to the opening half shaft to limit the rotating position of the opening half shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570554.9U CN213459471U (en) | 2020-11-09 | 2020-11-09 | VSH operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570554.9U CN213459471U (en) | 2020-11-09 | 2020-11-09 | VSH operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459471U true CN213459471U (en) | 2021-06-15 |
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ID=76299462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022570554.9U Active CN213459471U (en) | 2020-11-09 | 2020-11-09 | VSH operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459471U (en) |
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2020
- 2020-11-09 CN CN202022570554.9U patent/CN213459471U/en active Active
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