CN218676924U - A New Type of Fixed Vacuum Circuit Breaker - Google Patents

Abstract

The utility model discloses a novel fixed vacuum circuit breaker, which comprises a bolt mounting plate, two limit baffles are fixedly installed on the top of the bolt mounting plate, a bottom plate is arranged between the two limit baffles, and a The main body of the vacuum circuit breaker, the bottom of the bolt mounting plate is fixedly installed with a fixing seat, the bottom plate is provided with a limiting hole, the top of the fixing seat is fixedly installed with a fixing nut, the limiting hole is inserted with a limiting bolt, and the limiting bolt and the fixing nut are threaded connection, the fixed seat is provided with a first buffer piece, and the two ends of the bottom plate are respectively provided with a second buffer piece. The utility model relates to the technical field of vacuum circuit breakers. The double damping on the vacuum circuit breaker acts as a buffer, which can effectively reduce the vibration transmission generated when the main body of the vacuum circuit breaker is opened and closed, avoid damage to the internal components of the main body of the vacuum circuit breaker, and prolong the service life of the device.

Description

A New Type of Fixed Vacuum Circuit Breaker

technical field

The utility model relates to the technical field of vacuum circuit breakers, in particular to a novel fixed vacuum circuit breaker.

Background technique

The current fixed vacuum circuit breaker is generally directly fixed and installed on the channel steel foundation by bolts. The vacuum circuit breaker will vibrate during operation. When the vacuum circuit breaker opens and closes, the vibration impact is very large. In order to prevent the performance of other components from being affected by the vibration, the patent CN201120174538.6 discloses a fixed vacuum circuit breaker vibration damping device, which adopts two-stage Buffering can effectively reduce the vibration transmission generated when the circuit breaker opens and closes, and prevent other equipment from being damaged. However, it only buffers the vacuum circuit breaker vertically upwards, ignoring the shock absorption in the horizontal direction, and the shock absorption effect has limitations. Therefore, it is necessary to provide a new type of fixed vacuum circuit breaker to solve the above problems.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a novel fixed vacuum circuit breaker, which solves the existing problems.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a new type of fixed vacuum circuit breaker, including a bolt mounting plate, two limit baffles are fixedly installed on the top of the bolt mounting plate, and the two limit baffles A bottom plate is arranged between the baffles, the main body of the vacuum circuit breaker is fixedly installed on the bottom plate, and a fixing seat is fixedly installed on the bottom of the bolt mounting plate, and a limited hole is opened on the bottom plate, and the top of the fixing seat is fixed Fixing nuts are installed, limit bolts are plugged into the limit holes, and the limit bolts are threadedly connected with the fix nuts. The fixing seat is provided with a first buffer member, and the two ends of the bottom plate are respectively provided with second Two buffer pieces.

Preferably, the bolt mounting plate is provided with threaded holes, and bolts are threaded inside the threaded holes, and the bolt mounting plate is fixed and mounted on the channel steel foundation through bolts.

Preferably, a spring slot and a damping slot are sequentially opened in the fixed seat from top to bottom, the first buffer member includes a first telescopic rod fixedly installed at the bottom of the bottom plate, and the first telescopic rod extends to the inside of the spring slot , the outer periphery of the first telescopic rod is provided with a first spring, one end of the first spring is fixedly connected to the bottom plate, and the other end is fixedly connected to the inner bottom wall of the spring groove, and the bottom end of the first telescopic rod is fixedly connected to a movable The damping block is clamped inside the damping groove, and the inside of the damping groove is filled with damping fluid.

Preferably, the damping block is made of high damping rubber material.

Preferably, the second buffer member includes a second telescopic rod fixedly installed at one end of the bottom plate, a second spring is sheathed on the second telescopic rod, once the second telescopic rod is fixedly connected to the fixed plate, the One end of the second spring is fixedly connected to the bottom plate, and the other end is fixedly connected to the fixed plate, and one end of the second telescopic rod is fixedly connected to a buffer block.

Preferably, the buffer block is made of natural rubber.

Beneficial effect

The utility model provides a novel fixed vacuum circuit breaker, which has the following beneficial effects compared with the prior art:

1. In this new type of fixed vacuum circuit breaker, a limit baffle and a fixing seat are installed on the bolt mounting plate, a first buffer is arranged between the fixing seat and the bottom plate, and a second buffer is arranged between the limit baffle and the bottom plate. Buffer, the inside of the fixed seat is provided with a spring groove and a damping groove, the first buffer includes a first telescopic rod, a first spring and a damping block, the bottom plate is limitedly installed on the fixed seat by a limit bolt, and has the freedom to move up and down Then, when the main body of the vacuum circuit breaker shakes during operation, the vibration can be buffered by the expansion and contraction of the first telescopic rod and the expansion and contraction of the first spring. The generated energy is absorbed to play a further buffering role, which can effectively reduce the vibration transmission generated in the vertical direction when the main body of the vacuum circuit breaker is opened and closed and during operation, avoiding damage to internal components and prolonging the service life of the device.

2. This new type of fixed vacuum circuit breaker is provided with a second buffer at both ends of the bottom plate. The second buffer includes a second telescopic rod, a second spring and a buffer block, and then the main body of the vacuum circuit breaker operates to generate When shaking, the second telescopic rod and the second spring are stretched and contracted, and the buffer block is in contact with the limit baffle, and the elastic properties of the buffer block are used to buffer the vibration, thereby effectively reducing the time of opening and closing of the main body of the vacuum circuit breaker. The vibration transmission generated in the horizontal direction during operation avoids damage to internal components and prolongs the service life of the device.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the schematic diagram of enlarged structure at A place in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the enlarged structure at B in Fig. 1 of the present utility model.

In the figure: 1. Bolt mounting plate; 2. Limit baffle; 3. Bottom plate; 31. Limit hole; 4. Main body of vacuum circuit breaker; 5. Fixing seat; 51. Spring groove; 52. Damping groove; 6. Fixed nut; 7, limit bolt; 8, first buffer member; 81, first telescopic rod; 82, first spring; 83, damping block; 9, second buffer member; 91, second telescopic rod; 92, The second spring; 93, the fixed plate; 94, the buffer block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-3, the utility model provides two technical solutions:

Embodiment one:

A new type of fixed vacuum circuit breaker, including a bolt mounting plate 1, two limiting baffles 2 are fixedly installed on the top of the bolt mounting plate 1, a bottom plate 3 is arranged between the two limiting baffles 2, and the bottom plate 3 is fixedly installed There is a main body 4 of the vacuum circuit breaker, a fixing seat 5 is fixedly installed on the bottom of the bolt mounting plate 1, a limiting hole 31 is opened on the bottom plate 3, and a fixing nut 6 is fixedly installed on the top of the fixing seat 5, and the limiting hole 31 is plugged with a limited position The bolt 7 and the limit bolt 7 are threadedly connected with the fixing nut 6 , the fixing seat 5 is provided with a first buffer member 8 , and the two ends of the bottom plate 3 are respectively provided with a second buffer member 9 .

Embodiment two:

A new type of fixed vacuum circuit breaker, including a bolt mounting plate 1, which is provided with a threaded hole, and the inside of the threaded hole is threaded with bolts, and the bolt mounting plate 1 is fixed on the channel steel foundation by bolts, thereby realizing The fixed installation of the main body 4 of the vacuum circuit breaker; two limit baffles 2 are fixedly installed on the top of the bolt mounting plate 1, and a bottom plate 3 is arranged between the two limit baffles 2, and the main body of the vacuum circuit breaker is fixedly installed on the bottom plate 3 4. The bottom of the bolt mounting plate 1 is fixedly installed with a fixing seat 5, and a limit hole 31 is opened on the bottom plate 3, and a fixing nut 6 is fixedly installed on the top of the fixing seat 5, and a limit bolt 7 is inserted into the limit hole 31, and the limit The bolt 7 is threadedly connected with the fixing nut 6, and the fixing seat 5 is provided with a first buffer member 8, and the fixing seat 5 is provided with a spring groove 51 and a damping groove 52 sequentially from top to bottom, and the first buffer member 8 includes a 3 The first telescopic rod 81 at the bottom, the first telescopic rod 81 extends to the inside of the spring groove 51, the outer circumference of the first telescopic rod 81 is provided with a first spring 82, one end of the first spring 82 is fixedly connected to the bottom plate 3, and the other end is connected to the spring The inner bottom wall of the groove 51 is fixedly connected, the bottom end of the first telescopic rod 81 is fixedly connected with a damping block 83 which is movably clamped inside the damping groove 52, the inside of the damping groove 52 is filled with damping liquid, and the damping block 83 is made of high damping rubber material. The bottom plate 3 is limitedly installed on the fixed seat 5 by the limit bolt 7, and has the freedom to move up and down, and then when the vacuum circuit breaker main body 4 shakes during operation, the first telescopic rod 81 stretches and the first spring 82 stretches It can buffer the vibration, and at the same time absorb the energy generated by the vibration through the frictional energy consumption of the damping block 83 at the bottom of the first spring 82 and the damping fluid inside the damping groove 52, which plays a further buffering role, and can effectively reduce the main body of the vacuum circuit breaker by 4 points The vibration transmission generated in the vertical direction during closing and operation; the two ends of the bottom plate 3 are respectively provided with a second buffer 9, and the second buffer 9 includes a second telescopic rod 91 fixedly installed on one end of the bottom plate 3, the second A second spring 92 is sleeved on the telescopic rod 91. Once the second telescopic rod 91 is fixedly connected with a fixed plate 93, one end of the second spring 92 is fixedly connected with the base plate 3, and the other end is fixedly connected with the fixed plate 93. The second telescopic rod 91 One end is fixedly connected with a buffer block 94. The buffer block 94 is made of natural rubber. When the main body of the vacuum circuit breaker 4 shakes during operation, it expands and contracts through the second telescopic rod 91 and the second spring 92, and through the buffer block 94 and the limit baffle. 2 contact, and use the elastic properties of the buffer block 94 to buffer the vibration, which can effectively reduce the vibration transmission in the horizontal direction when the main body of the vacuum circuit breaker is closed at 4 points and when it is running.

When this new type of fixed vacuum circuit breaker is in use, the limit bolt 7 penetrates the inside of the limit hole 31 and is threadedly connected with the fixed nut 6 on the fixed seat 5 to play the role of limit installation of the bottom plate 3. The bolt mounting plate 1 The limit baffle plate 2 and the fixed seat 5 are installed on the top, the first buffer member 8 is arranged between the fixed seat 5 and the bottom plate 3, the second buffer member 9 is arranged between the limit baffle plate 2 and the bottom plate 3, and the inside of the fixed seat 5 A spring groove 51 and a damping groove 52 are opened. The first buffer member 8 includes a first telescopic rod 81, a first spring 82 and a damping block 83. The bottom plate 3 is limitedly mounted on the fixed seat 5 by a limit bolt 7, and has an upper and lower The degree of freedom of movement, and then when the main body of the vacuum circuit breaker 4 shakes during operation, the vibration can be buffered through the expansion and contraction of the first telescopic rod 81 and the expansion and contraction of the first spring 82, and at the same time through the bottom damping block 83 and the damping groove of the first spring 82 52 The frictional energy consumption of the internal damping fluid absorbs the energy generated by the vibration and plays a further buffering role, which can effectively reduce the vibration transmission generated in the vertical direction when the main body of the vacuum circuit breaker is closed at 4 points and during operation, and avoid damage to the internal components. In addition, the two ends of the bottom plate 3 are respectively provided with a second buffer member 9, the second buffer member 9 includes a second telescopic rod 91, a second spring 92 and a buffer block 94, and then when the main body 4 of the vacuum circuit breaker is running, it will shake When the second telescopic rod 91 and the second spring 92 are stretched and contracted, and the buffer block 94 is in contact with the limit baffle 2, the elastic properties of the buffer block 94 are used to buffer the vibration, so that the main body 4 of the vacuum circuit breaker can be effectively reduced. The vibration transmission generated in the horizontal direction during opening and closing and operation can avoid damage to internal components and prolong the service life of the device.

At the same time, the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A novel fixed vacuum circuit breaker, includes bolt mounting panel (1), its characterized in that: two limit baffle (2) of top fixed mounting of bolt mounting panel (1), two be provided with bottom plate (3) between limit baffle (2), fixed mounting has vacuum circuit breaker main part (4) on bottom plate (3), the bottom fixed mounting of bolt mounting panel (1) has fixing base (5), spacing hole (31) have been seted up on bottom plate (3), the top fixed mounting of fixing base (5) has fixation nut (6), spacing hole (31) inside is pegged graft and is had spacing bolt (7), spacing bolt (7) and fixation nut (6) threaded connection, be provided with first bolster (8) on fixing base (5), the both ends of bottom plate (3) are provided with second bolster (9) respectively.

2. The new fixed vacuum circuit breaker according to claim 1, characterized in that: the bolt mounting plate (1) is provided with a threaded hole, a bolt is connected with the threaded hole in a threaded manner, and the bolt mounting plate (1) is fixedly mounted on a groove steel foundation through the bolt.

3. The new fixed vacuum circuit breaker according to claim 1, characterized in that: spring groove (51) and damping groove (52) have been seted up in proper order to top-down in fixing base (5), first bolster (8) are including first telescopic link (81) of fixed mounting in bottom plate (3) bottom, first telescopic link (81) extend to inside spring groove (51), first telescopic link (81) periphery cover is equipped with first spring (82), first spring (82) one end and bottom plate (3) fixed connection, the other end and the inside diapire fixed connection of spring groove (51), the bottom fixedly connected with activity joint of first telescopic link (81) is at damping piece (83) of damping groove (52) inside, damping groove (52) inside packing has damping liquid.

4. A new fixed vacuum interrupter as defined in claim 3 wherein: the damping block (83) is made of high-damping rubber.

5. The new fixed vacuum circuit breaker according to claim 1, characterized in that: second bolster (9) are including second telescopic link (91) of fixed mounting in bottom plate (3) one end, the cover is equipped with second spring (92) on second telescopic link (91), second telescopic link (91) in case fixedly connected with fixed plate (93), second spring (92) one end and bottom plate (3) fixed connection, the other end and fixed plate (93) fixed connection, second telescopic link (91) one end fixedly connected with buffer block (94).

6. The new fixed vacuum circuit breaker according to claim 5, characterized in that: the buffer block (94) is made of natural rubber.

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