CN212750711U

CN212750711U - High-voltage vacuum circuit breaker with two-stage tripping mode

Info

Publication number: CN212750711U
Application number: CN202021668869.0U
Authority: CN
Inventors: 罗建勤
Original assignee: Shanghai Shuying Technology Co ltd
Current assignee: Shanghai Shuying Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-19
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a high-pressure vacuum circuit breaker technical field just discloses a have second grade dropout mode high-pressure vacuum circuit breaker, including the circuit breaker casing. This high-pressure vacuum circuit breaker with second grade dropout mode, be provided with the driving medium through the macroaxis, and the driving medium passes through connecting block and connecting piece and the mat axle is articulated, be convenient for the mat axle through the rotation of driving medium and the interlock, through epaxial connecting piece and the connecting seat of being provided with of mat, be provided with on the optical axis and keep the mat, and keep the mat articulated with the connecting seat, be convenient for keep the mat to rotate in the outside of optical axis through the activity of mat axle, thereby detain on the dropout semi-axis, make the hasp piece on the dropout semi-axis more stable with circuit breaker casing hasp mechanism, the mode of original mat axle direct knot on the dropout semi-axis has been changed, change the second grade dropout mode into from original one-level dropout, realized this mechanism and in the installation, the debugging, time has been practiced thrift greatly, and the.

Description

High-voltage vacuum circuit breaker with two-stage tripping mode

Technical Field

The utility model relates to a high-pressure vacuum circuit breaker technical field specifically is a have second grade dropout mode high-pressure vacuum circuit breaker.

Background

The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be configured in a middle-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

At present, in a power system 6 KV-40.5 KV, because various vacuum circuit breaker mechanisms used in the market all adopt a one-stage tripping mode, the factors of closing rejection, time consumption, labor consumption, low efficiency, insecurity, reliability and the like easily occur when the circuit breaker is installed and debugged in a factory, and the high-voltage vacuum circuit breaker with the two-stage tripping mode is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a have second grade dropout mode high pressure vacuum circuit breaker possesses advantages such as work efficiency height, has solved and has appeared refusing to close the phenomenon easily and consuming time when the low-voltage operation, hard, the efficiency is not high and the problem of factors such as unsafe reliable.

(II) technical scheme

For realizing the purpose that above-mentioned work efficiency is high, the utility model provides a following technical scheme: a high-voltage vacuum circuit breaker with a two-stage tripping mode comprises a circuit breaker shell, wherein an energy storage motor is fixedly arranged in the circuit breaker shell, a transmission mechanism positioned in the circuit breaker shell is fixedly connected onto an output shaft of the energy storage motor, a concave wheel is movably arranged in the circuit breaker shell, energy storage connecting levers are fixedly connected to the left side and the right side of the concave wheel, an energy storage spring is fixedly connected to the outer portions of the energy storage connecting levers, a release energy storage plate is movably arranged in the circuit breaker shell, a four-bar mechanism is movably arranged in the circuit breaker shell, a large shaft is movably arranged in the circuit breaker shell, a transmission part is sleeved on the outer portion of the large shaft, a cushion shaft is movably arranged in the circuit breaker shell, a connecting part is sleeved on the outer portion of the cushion shaft, and a connecting seat is, the positive fixedly connected with of connecting piece is located the connecting block on connecting seat right side, the inside movable mounting of circuit breaker casing has the optical axis, the outside cover of optical axis is equipped with the maintenance mat, the inside movable mounting of circuit breaker casing has the dropout semi-axis.

Preferably, the concave wheel and the transmission mechanism are sleeved with a transmission chain, and the concave wheel and the transmission mechanism are in transmission connection through the transmission chain.

Preferably, the concave wheel is in transmission connection with the release energy storage plate, and the concave wheel is in transmission connection with the large shaft through a four-bar linkage.

Preferably, the bottom wall fixed mounting has the support articulated elements in the circuit breaker casing, and the inner diapire of circuit breaker casing passes through support articulated elements and energy storage spring fixed connection.

Preferably, the connecting hinges are fixedly installed at the bottoms of the connecting seats and the retaining cushion, and the connecting seats and the retaining cushion are hinged through the connecting hinges.

Preferably, the connecting block is matched with the transmission part, and the top of the transmission part is hinged with the connecting block.

(III) advantageous effects

Compared with the prior art, the utility model provides a have second grade dropout mode high pressure vacuum circuit breaker possesses following beneficial effect:

this high-pressure vacuum circuit breaker with second grade dropout mode, be provided with the driving medium through the macroaxis, and the driving medium passes through connecting block and connecting piece and the mat axle is articulated, be convenient for the mat axle through the rotation of driving medium and the interlock, through epaxial connecting piece and the connecting seat of being provided with of mat, be provided with on the optical axis and keep the mat, and keep the mat articulated with the connecting seat, be convenient for keep the mat to rotate in the outside of optical axis through the activity of mat axle, thereby detain on the dropout semi-axis, make the hasp piece on the dropout semi-axis more stable with circuit breaker casing hasp mechanism, the mode of original mat axle direct knot on the dropout semi-axis has been changed, change the second grade dropout mode into from original one-level dropout, realized this mechanism and in the installation, the debugging, time has been practiced thrift greatly, and the.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a side view of the optical axis structure of the present invention.

In the figure: the circuit breaker comprises a circuit breaker shell 1, an energy storage motor 2, a transmission mechanism 3, a concave wheel 4, an energy storage crank arm 5, an energy storage spring 6, an energy release plate 7, a four-bar linkage mechanism 8, a large shaft 9, a transmission part 10, a cushion shaft 11, a connecting part 12, a connecting seat 13, a connecting block 14, an optical axis 15, a cushion keeping 16 and a tripping half shaft 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high voltage vacuum circuit breaker with a two-stage tripping mode comprises a circuit breaker housing 1, an energy storage motor 2 is fixedly installed inside the circuit breaker housing 1, a transmission mechanism 3 located inside the circuit breaker housing 1 is fixedly connected to an output shaft of the energy storage motor 2, a concave wheel 4 is movably installed inside the circuit breaker housing 1, transmission chains are respectively sleeved outside the concave wheel 4 and the transmission mechanism 3, the concave wheel 4 is in transmission connection with the transmission mechanism 3 through the transmission chains, energy storage connecting levers 5 are fixedly connected to the left side and the right side of the concave wheel 4, an energy storage spring 6 is fixedly connected to the outside of the energy storage connecting levers 5, a support hinge member is fixedly installed on the inner bottom wall of the circuit breaker housing 1, the inner bottom wall of the circuit breaker housing 1 is fixedly connected with the energy storage spring 6 through the support hinge member, and a release energy storage, the inside movable mounting of circuit breaker casing 1 has four-bar linkage 8, the inside movable mounting of circuit breaker casing 1 has main shaft 9, concave wheel 4 is connected with the transmission of release energy storage board 7, and concave wheel 4 is connected with main shaft 9 transmission through four-bar linkage 8, the outside cover of main shaft 9 is equipped with driving medium 10, the inside movable mounting of circuit breaker casing 1 has cushion axle 11, the outside cover of cushion axle 11 is equipped with connecting piece 12, the front fixedly connected with connecting seat 13 of connecting piece 12, the front fixedly connected with connecting block 14 that is located the right side of connecting seat 13 of connecting piece 12, connecting block 14 and driving medium 10 looks adaptation, the top of driving medium 10 articulates there is connecting block 14, the inside movable mounting of circuit breaker casing 1 has optical axis 15, the outside cover of optical axis 15 is equipped with keeps cushion 16, connecting articulated elements are all fixedly mounted to the bottom of connecting seat 13 and keeping cushion 16, and connecting seat, a tripping half shaft 17 is movably arranged in the breaker shell 1.

When the energy storage mechanism is used, the energy storage motor 2 is used for storing energy of the motor, the transmission mechanism 3 and the concave wheel 4 are used for driving the energy storage spring 6, the energy storage connecting lever 5 and the energy storage releasing plate 7 are driven until the energy storage is finished, the energy storage releasing plate 7 is pressed to release energy to enable the energy storage releasing plate 7 to downwards press the four-bar mechanism 8 under the driving of the energy storage spring 6, the large shaft 9 is driven to rotate to drive the cushion shaft 11 to rotate to keep the cushion 16 to rotate on the tripping half shaft 17, and finally the cushion 16 is kept to be buckled on the tripping half shaft 17, so that the closing linkage process of the whole mechanism is carried out.

In conclusion, the high-voltage vacuum circuit breaker with the two-stage tripping mode is characterized in that the transmission piece 10 is arranged on the large shaft 9, the transmission piece 10 is hinged with the cushion shaft 11 through the connecting block 14 and the connecting piece 12, the cushion shaft 11 is convenient to be linked through the rotation of the transmission piece 10, the connecting piece 12 and the connecting seat 13 are arranged on the cushion shaft 11, the retaining cushion 16 is arranged on the optical shaft 15, the retaining cushion 16 is hinged with the connecting seat 13, the cushion 16 is convenient to rotate outside the optical shaft 15 through the movement of the cushion shaft 11, so that the cushion is buckled on the tripping half shaft 17, a buckling piece on the tripping half shaft 17 and a buckling mechanism of the circuit breaker shell 1 are more stable, the original mode that the cushion shaft 11 is directly buckled on the tripping half shaft 17 is changed into the two-stage tripping mode from the original one-stage tripping mode, the installation and debugging of the mechanism are, therefore, the reliability of the structure is higher, and the problems that the closing rejection phenomenon is easy to occur, time and labor are consumed during low-voltage operation, the efficiency is not high, and the structure is unsafe and reliable are solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a have two grade trip mode high pressure vacuum circuit breaker, includes circuit breaker casing (1), its characterized in that: the energy storage motor (2) is fixedly mounted inside the breaker shell (1), the transmission mechanism (3) which is located inside the breaker shell (1) is fixedly connected to an output shaft of the energy storage motor (2), the concave wheel (4) is movably mounted inside the breaker shell (1), the energy storage connecting levers (5) are fixedly connected to the left side and the right side of the concave wheel (4), the energy storage springs (6) are fixedly connected to the outside of the energy storage connecting levers (5), the energy storage releasing plate (7) is movably mounted inside the breaker shell (1), the four-bar mechanism (8) is movably mounted inside the breaker shell (1), the large shaft (9) is movably mounted inside the breaker shell (1), the transmission part (10) is sleeved outside the large shaft (9), and the cushion shaft (11) is movably mounted inside the breaker shell (1), the outside cover of cushion axle (11) is equipped with connecting piece (12), the positive fixedly connected with connecting seat (13) of connecting piece (12), the positive fixedly connected with of connecting piece (12) is located connecting block (14) on connecting seat (13) right side, the inside movable mounting of circuit breaker casing (1) has optical axis (15), the outside cover of optical axis (15) is equipped with and keeps cushion (16), the inside movable mounting of circuit breaker casing (1) has dropout semi-axis (17).

2. The high-voltage vacuum circuit breaker with the two-stage tripping mode according to claim 1, characterized in that: the concave wheel (4) and the transmission mechanism (3) are respectively sleeved with a transmission chain, and the concave wheel (4) is in transmission connection with the transmission mechanism (3) through the transmission chains.

3. The high-voltage vacuum circuit breaker with the two-stage tripping mode according to claim 1, characterized in that: the concave wheel (4) is in transmission connection with the energy storage releasing plate (7), and the concave wheel (4) is in transmission connection with the large shaft (9) through a four-bar mechanism (8).

4. The high-voltage vacuum circuit breaker with the two-stage tripping mode according to claim 1, characterized in that: the inner bottom wall of the circuit breaker shell (1) is fixedly provided with a supporting hinged part, and the inner bottom wall of the circuit breaker shell (1) is fixedly connected with an energy storage spring (6) through the supporting hinged part.

5. The high-voltage vacuum circuit breaker with the two-stage tripping mode according to claim 1, characterized in that: the bottoms of the connecting seats (13) and the retaining cushion (16) are respectively fixedly provided with a connecting hinge, and the connecting seats (13) and the retaining cushion (16) are hinged through the connecting hinges.

6. The high-voltage vacuum circuit breaker with the two-stage tripping mode according to claim 1, characterized in that: the connecting block (14) is matched with the transmission piece (10), and the top of the transmission piece (10) is hinged with the connecting block (14).