CN216624093U - Novel separating brake buffering device for pole-mounted vacuum circuit breaker - Google Patents
Novel separating brake buffering device for pole-mounted vacuum circuit breaker Download PDFInfo
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- CN216624093U CN216624093U CN202122725779.1U CN202122725779U CN216624093U CN 216624093 U CN216624093 U CN 216624093U CN 202122725779 U CN202122725779 U CN 202122725779U CN 216624093 U CN216624093 U CN 216624093U
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- vacuum circuit
- circuit breaker
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Abstract
The utility model discloses a column vacuum circuit breaker of a novel brake-separating buffering device, belonging to the technical field of column vacuum circuit breakers, and the column vacuum circuit breaker of the novel brake-separating buffering device comprises: vacuum circuit breaker shell, sliding connection has the drive band steel between the inside of vacuum circuit breaker shell, and vacuum circuit breaker shell's interior top surface fixedly connected with mounting bracket, the internally mounted of mounting bracket has the oil cup, the top fixedly connected with oil cup stopper of drive band steel, and the mount table is installed to one side inner wall of vacuum circuit breaker shell. This novel separating brake buffer's column vacuum circuit breaker, when the switch separating brake, the band steel is to the shock pad direction motion, and the band steel hits to the shock pad after earlier being cushioned by the oil cup, has reduced striking kinetic energy, and the band steel can stop rapidly at the separating brake position, has guaranteed the breaking performance of switch, because striking kinetic energy is little, and the life of shock pad has obtained great improvement, has not obviously damaged through ten thousand mechanical life experiments.
Description
Technical Field
The utility model relates to the technical field of column vacuum circuit breakers, in particular to a column vacuum circuit breaker of a novel brake-separating buffering device.
Background
When a switch of the common ZW32 outdoor vacuum circuit breaker is opened, the flat steel is driven to directly and rapidly move towards the direction of the shock pad, the shock pad stops driving the flat steel to realize opening of the switch, the flat steel can rebound towards the shock pad after impacting the shock pad, namely opening rebound, and the opening rebound of the vacuum circuit breaker is required to be not more than 2ms by the national standard GB1984-2014 of outdoor vacuum circuit breaker products.
In the actual production process, the index often exceeds the standard and sometimes even reaches 5ms, the breaking performance of the switch is seriously influenced, the analysis reason is that the kinetic energy for driving the flat steel is very high due to the fact that the switch is switched off very fast, the damping pad cannot stop the flat steel completely within 2ms, and in addition, when a mechanical running-in test is carried out, the damping pad is abraded very fast due to the excessively high kinetic energy, the damping pad is possibly torn, and the damping effect is further influenced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide a novel column vacuum circuit breaker of a brake-separating buffering device, when a switch is separated, a flat steel moves towards a shock pad, the flat steel is firstly buffered by an oil cup and then collides with the shock pad, so that the impact kinetic energy is greatly reduced, the flat steel can be rapidly stopped at a brake-separating position, the breaking performance of the switch is ensured, the service life of the shock pad is greatly prolonged due to the small impact kinetic energy, and the shock pad is not obviously damaged after ten thousand mechanical life experiments.
2. Technical scheme
In order to solve the problems, the utility model adopts the following technical scheme:
a novel tripping buffer device of a pole-mounted vacuum circuit breaker comprises: the vacuum circuit breaker shell, sliding connection has the drive band steel between the inside of vacuum circuit breaker shell, the interior top surface fixedly connected with mounting bracket of vacuum circuit breaker shell, the internally mounted of mounting bracket has the oil cup, the top fixedly connected with oil cup stopper of drive band steel.
In a preferred embodiment of the present invention, a mounting table is mounted on an inner wall of one side of the vacuum circuit breaker housing.
In a preferred embodiment of the present invention, the driving flat steel is internally provided with a fixing rod.
As a preferable scheme of the utility model, two limiting pieces are sleeved on the outer wall of the fixing rod, a connecting plate is fixedly connected between the two limiting pieces, and the two limiting pieces are respectively positioned on two sides of the driving flat steel.
As a preferable scheme of the present invention, the outer walls of the two limiting pieces are both provided with a sliding groove, and the fixing rod is disposed in the two sliding grooves.
In a preferred embodiment of the present invention, a shock absorbing pad is mounted at one end of the mounting table.
3. Advantageous effects
Compared with the prior art, the utility model provides the column vacuum circuit breaker of the novel brake-separating buffering device, which has the following beneficial effects:
(1) this novel separating brake buffer's column vacuum circuit breaker, when the switch separating brake, the drive band steel is to the shock pad direction motion, the oil cup stopper just can hit the shock pad via the restriction piece of oil cup buffering back drive band steel both sides, striking kinetic energy has been reduced greatly, the drive band steel can stop rapidly at the separating brake position, can control switch separating brake rebound steadily in 1.5ms through the test, the breaking performance of switch has been guaranteed, because the kinetic energy that the striking caused is little, the switch has done 10000 mechanical life backs, the shock pad does not have obvious damage, can effectual improvement shock pad's life, be favorable to popularizing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an in-position cross-sectional view of the present invention;
FIG. 3 is a sectioned cross-sectional view of the present invention;
fig. 4 is a partial cross-sectional view of the present invention.
The reference numbers in the figures illustrate:
1. a vacuum circuit breaker housing; 2. driving the flat steel; 3. an oil cup; 4. an oil cup limiting block; 5. an installation table; 6. fixing the rod; 7. a restriction sheet; 8. a shock-absorbing pad.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-4, a pole vacuum circuit breaker of a novel tripping buffer device includes: vacuum circuit breaker shell 1, sliding connection has drive band steel 2 between the inside of vacuum circuit breaker shell 1, and the interior top surface fixedly connected with mounting bracket of vacuum circuit breaker shell 1, the internally mounted of mounting bracket has oil cup 3, and the top fixedly connected with oil cup stopper 4 of drive band steel 2.
In the specific embodiment of the utility model, when the switch is opened, the flat steel 2 is driven to move towards the shock pad 8, the flat steel 2 is driven to drive the oil cup limiting block 4 to move, the oil cup limiting block 4 is buffered by the oil cup 3 and then drives the limiting sheets 7 on two sides of the flat steel 2 to collide with the shock pad 8, so that the impact kinetic energy is greatly reduced, the flat steel 2 can be driven to rapidly stop at the opening position, the switch opening rebound can be stably controlled within 1.5ms through testing, the opening and closing performance of the switch is ensured, the kinetic energy caused by the collision is small, the shock pad 8 is not obviously damaged after the mechanical life of the switch is 10000 times, the service life of the shock pad 8 can be effectively prolonged, and the popularization is facilitated.
Specifically, a mounting table 5 is mounted on one side inner wall of the vacuum circuit breaker housing 1.
In this embodiment, the cushion 8 is attached by the mount 5.
Specifically, the fixing rod 6 is installed inside the driving flat steel 2.
In this embodiment, the two limiting pieces 7 are mounted through the fixing rod 6, and the fixing rod 6 can be adjusted in the sliding groove, so that the relative positions of the limiting pieces 7 and the driving flat steel 2 are changed.
Specifically, the outer wall cover of dead lever 6 is equipped with two and restricts piece 7, fixedly connected with connecting plate between two and restrict piece 7, and two restrict the both sides that piece 7 is located drive band steel 2 respectively.
In the embodiment, the limiting piece 7 and the driving flat steel 2 move together, and when the limiting piece 7 moves in place, the limiting piece 7 collides with the shock absorption pad 8 to complete physical buffering, so that the brake-separating stop is realized.
Specifically, the sliding grooves are formed in the outer walls of the two limiting pieces 7, and the fixing rod 6 is arranged in the two sliding grooves.
In this embodiment, the relative position of the fixing rod 6 in the sliding groove can be changed by adjusting the relative position of the limiting piece 7, and the driving flat steel 2, so as to realize different damping effects.
Specifically, one end of the mounting table 5 is provided with a shock pad 8.
In this embodiment, the driving flat bar 2 is stopped by the collision of the cushion 8 and the restricting piece 7.
The working principle is as follows: when the switch is opened, the flat steel 2 is driven to move towards the direction of the shock pad 8, the flat steel 2 is driven to drive the oil cup limiting block 4 to move, the oil cup limiting block 4 is buffered by the oil cup 3, then the limiting sheets 7 on two sides of the flat steel 2 are driven to collide with the shock pad 8, the impact kinetic energy is greatly reduced, the flat steel 2 can be driven to stop at the opening position rapidly, the switch opening rebound can be stably controlled within 1.5ms through testing, the opening and closing performance of the switch is guaranteed, the kinetic energy caused by the collision is small, after the mechanical life of the switch is finished for 10000 times, the shock pad 8 is not obviously damaged, the service life of the shock pad 8 can be effectively prolonged, and the popularization is facilitated.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the utility model.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a novel separating brake buffering device's vacuum circuit breaker on post which characterized in that includes:
vacuum circuit breaker shell (1), sliding connection has drive band steel (2) between the inside of vacuum circuit breaker shell (1), the interior top surface fixedly connected with mounting bracket of vacuum circuit breaker shell (1), the internally mounted of mounting bracket has oil cup (3), top fixedly connected with oil cup stopper (4) of drive band steel (2).
2. The pole-mounted vacuum circuit breaker of the novel opening buffer device according to claim 1, characterized in that: and a mounting table (5) is mounted on the inner wall of one side of the vacuum circuit breaker shell (1).
3. The pole-mounted vacuum circuit breaker of the novel opening buffer device according to claim 1, characterized in that: and a fixing rod (6) is arranged inside the driving flat steel (2).
4. The pole-mounted vacuum circuit breaker of the novel opening buffer device according to claim 3, characterized in that: the outer wall cover of dead lever (6) is equipped with two and restricts piece (7), two fixedly connected with connecting plate between restriction piece (7), and two restriction piece (7) are located the both sides of drive band steel (2) respectively.
5. The pole-mounted vacuum circuit breaker of the novel opening buffer device according to claim 4, characterized in that: the outer wall of the two limiting pieces (7) is provided with sliding grooves, and the fixing rods (6) are arranged in the two sliding grooves.
6. The pole-mounted vacuum circuit breaker of the novel opening buffer device according to claim 2, characterized in that: and a damping pad (8) is arranged at one end of the mounting table (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725779.1U CN216624093U (en) | 2021-11-09 | 2021-11-09 | Novel separating brake buffering device for pole-mounted vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725779.1U CN216624093U (en) | 2021-11-09 | 2021-11-09 | Novel separating brake buffering device for pole-mounted vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216624093U true CN216624093U (en) | 2022-05-27 |
Family
ID=81695984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122725779.1U Active CN216624093U (en) | 2021-11-09 | 2021-11-09 | Novel separating brake buffering device for pole-mounted vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216624093U (en) |
-
2021
- 2021-11-09 CN CN202122725779.1U patent/CN216624093U/en active Active
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