CN222146014U - Buffering device of pneumatic switching-in and switching-off structure - Google Patents
Buffering device of pneumatic switching-in and switching-off structure Download PDFInfo
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- CN222146014U CN222146014U CN202420849174.4U CN202420849174U CN222146014U CN 222146014 U CN222146014 U CN 222146014U CN 202420849174 U CN202420849174 U CN 202420849174U CN 222146014 U CN222146014 U CN 222146014U
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- buffer
- fixedly connected
- buffer mechanism
- outer cylinder
- connecting ring
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- 230000003139 buffering effect Effects 0.000 title description 8
- 239000000872 buffer Substances 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000006173 Good's buffer Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 15
- 238000004146 energy storage Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
本实用新型提供一种气动合分闸结构的缓冲装置，涉及合分闸缓冲装置技术领域，包括缓冲机构，所述缓冲机构的上端通过活动组件连接有用于对缓冲机构上端进行安装的第一安装组件，所述缓冲机构的下端设置有用于对缓冲机构下端进行安装的第二安装组件。该气动合分闸结构的缓冲装置，当高压断路器本体进行合闸时，按动开关，蓄能完成的弹簧机构将会带动U型安装板跟随转动板一起进行复位，进而通过外筒体带动推杆以及活塞对内筒体和压缩壳内部的空气进行压缩，当内筒体和压缩壳内的空气继续被压缩，缓冲效果越来越强，对高压断路器的内部器件起到良好的缓冲效果。
The utility model provides a buffer device for a pneumatic closing and opening switch structure, which relates to the technical field of closing and opening switch buffer devices, and includes a buffer mechanism, wherein the upper end of the buffer mechanism is connected to a first mounting assembly for mounting the upper end of the buffer mechanism through a movable assembly, and the lower end of the buffer mechanism is provided with a second mounting assembly for mounting the lower end of the buffer mechanism. The buffer device for the pneumatic closing and opening switch structure, when the high-voltage circuit breaker body is closed, the switch is pressed, and the energy-storing spring mechanism will drive the U-shaped mounting plate to reset together with the rotating plate, and then the push rod and the piston are driven by the outer cylinder to compress the air inside the inner cylinder and the compression shell. When the air inside the inner cylinder and the compression shell continues to be compressed, the buffer effect becomes stronger and stronger, which has a good buffer effect on the internal components of the high-voltage circuit breaker.
Description
Technical Field
The utility model relates to a buffer device, in particular to a buffer device with a pneumatic switching-in and switching-out structure, and belongs to the technical field of switching-in and switching-out buffer devices.
Background
The high-voltage circuit breaker is an important control and protection device in the power system, and the spring mechanism is an indispensable important component part in the high-voltage circuit breaker, so that the circuit breaker is ensured to accurately open and close short-circuit current, reliably kept at an opening or closing position, and is required to complete rapid automatic reclosing operation, and the high-voltage circuit breaker has the functions of jumping prevention, automatic reset, locking and the like.
The spring mechanism generates great impact force during opening and closing operation, mechanical impact damage is formed to the high-voltage switch equipment, contact closing bounce can be caused, contact instability is caused, and reliable operation of the quick grounding switch is affected, so that the high-voltage switch is required to be provided with a buffer device.
The oil buffer device is inconvenient to assemble and disassemble through riveting, and is inconvenient to replace when the internal structural components are damaged, so that the working performance and reliability of the high-voltage circuit breaker are directly affected.
Disclosure of utility model
(One) solving the technical problems
The utility model aims to solve the problems and provide the buffer device with the pneumatic switching-in and switching-out structure, which is convenient to disassemble and maintain and can play a good role in buffering the internal devices of the high-voltage circuit breaker.
(II) technical scheme
The utility model is realized by the following technical scheme that the buffer device of the pneumatic switching-in and switching-off structure comprises a buffer mechanism, wherein the upper end of the buffer mechanism is connected with a first installation component for installing the upper end of the buffer mechanism through a movable component, and the lower end of the buffer mechanism is provided with a second installation component for installing the lower end of the buffer mechanism;
The buffer mechanism comprises an outer cylinder body, the inner top wall of the outer cylinder body is fixedly connected with a push rod, the lower end of the push rod is fixedly connected with a piston, the inner wall of the outer cylinder body is slidably connected with an inner cylinder body of which the inner wall is in sliding contact with the circumferential side surface of the piston, the lower end of the inner cylinder body is fixedly communicated with a compression shell, the circumferential side surface of the compression shell is provided with uniformly distributed ventilation holes, and the top surface of the outer cylinder body and the bottom surface of the compression shell are respectively fixedly connected with an upper connecting ring and a lower connecting ring.
Preferably, the buffer mechanism further comprises fixing rings fixedly connected to the circumferential side surfaces of the outer cylinder body and the inner cylinder body, a buffer spring is fixedly arranged on one side surface, close to each other, of each fixing ring, and the buffer effect can be further improved through cooperation between the fixing rings and the buffer springs.
Preferably, the top surface fixedly connected with sealing gasket of piston, sealing gasket cover is established in the circumference side of push rod, sets up sealing gasket and can further improve the inside leakproofness of this device.
Preferably, the first installation component includes U type mounting panel, fixedly connected with strengthening rib on the U type mounting panel, the mounting hole has been seted up to one side of U type mounting panel, is convenient for install the device through U type mounting panel and strengthening rib.
Preferably, the movable assembly comprises a sliding column fixedly connected to one side surface of the U-shaped mounting plate, an external thread is arranged on the circumferential side surface of the sliding column, the sliding column is connected with a thread sleeve through the external thread, the upper connecting ring is sleeved on the sliding column, and the outer cylinder body and the upper connecting ring are convenient to mount through cooperation among the sliding column, the external thread and the thread sleeve.
Preferably, a gasket is sleeved on one side surface of the threaded sleeve, which is close to the upper connecting ring, and the gasket can prevent the upper connecting ring from being rubbed by the threaded sleeve, so that the upper connecting ring is worn.
Preferably, the second installation component includes the bottom plate, the top surface fixedly connected with two fixed plates of bottom plate, two fixedly connected with pivot between the fixed plate, pivot circumference side rotates with the preformed hole of lower go-between to be connected, four corners of bottom plate all are provided with the bolt, set up the device of being convenient for through the cooperation between bottom plate, fixed plate, pivot and the bolt and install.
The utility model provides a buffer device of a pneumatic switching-in and switching-off structure, which has the following beneficial effects:
1. This buffer of pneumatic switching-in and switching-off structure, when the high voltage circuit breaker body is closed a floodgate, presses the switch, and the spring mechanism that the energy storage was accomplished will drive U type mounting panel and reset together with the rotor plate, and then drives push rod and piston through outer barrel and compress the inside air of inner barrel and compression shell, and the air in inner barrel and the compression shell continues to be compressed, and the cushioning effect is stronger and stronger, plays good cushioning effect to the internal device of high voltage circuit breaker.
2. The buffer device of the pneumatic switching-in and switching-off structure can be arranged on a rotating plate of a high-voltage circuit breaker body through the matching of the U-shaped mounting plate, the sliding column, the external threads, the thread bush and the gasket, the lower end of the device can be arranged on the inner bottom wall of the shell through the matching of the bottom plate, the fixing plate, the rotating shaft and the bolt, and the device is convenient to disassemble and assemble so as to maintain or replace.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view showing the internal structure of the buffer mechanism of the present utility model;
FIG. 3 is an exploded view of the movable assembly of the present utility model;
FIG. 4 is a schematic view of the assembly of the present utility model;
Fig. 5 is an enlarged schematic view of the structure at a in the present utility model.
Description of the reference numerals
1. The device comprises a buffer mechanism, 101, an outer cylinder, 102, a push rod, 103, a piston, 104, an inner cylinder, 105, a compression shell, 106, an air vent, 107, an upper connecting ring, 108, a lower connecting ring, 109, a fixed ring, 110, a buffer spring, 111 and a sealing gasket;
2. The movable assembly, 201, a sliding column, 202, external threads, 203, a thread bush, 204 and a gasket;
3. The device comprises a first mounting assembly, a U-shaped mounting plate 301, a reinforcing rib 302;
4. the second installation component comprises 401, a bottom plate, 402, a fixed plate, 403, a rotating shaft, 404 and bolts;
5. The high-voltage breaker comprises a high-voltage breaker body 501, a shell 502, a spring mechanism 503 and a rotating plate.
Detailed Description
The embodiment of the utility model provides a buffer device of a pneumatic switching-in and switching-off structure.
Referring to fig. 1, 2 and 4, a buffering device of pneumatic switching-on and switching-off structure comprises a buffering mechanism 1, wherein the buffering mechanism 1 comprises an outer cylinder 101, an inner top wall of the outer cylinder 101 is fixedly connected with a push rod 102, a piston 103 is fixedly arranged at the lower end of the push rod 102, an inner wall of the outer cylinder 101 is slidably connected with an inner cylinder 104, the inner wall of the inner cylinder is slidably contacted with the circumferential side surface of the piston 103, the lower end of the inner cylinder 104 is fixedly communicated with a compression shell 105, ventilation holes 106 which are uniformly distributed are formed in the circumferential side surface of the compression shell 105, and an upper connecting ring 107 and a lower connecting ring 108 are fixedly connected to the top surface of the outer cylinder 101 and the bottom surface of the compression shell 105 respectively.
When the high-voltage circuit breaker body 5 is switched on, energy storage needs to be carried out on the spring mechanism 502 firstly, the spring mechanism 502 with the energy storage completed can drive the U-shaped mounting plate 301 to reset along with the rotating plate 503, the U-shaped mounting plate 301 is driven by the rotating plate 503 to enable the upper connecting ring 107 to rotate on the sliding column 201, meanwhile, the upper connecting ring 107 drives the outer cylinder 101, the push rod 102 and the piston 103 to compress air inside the inner cylinder 104 and the compression shell 105, and the inner cylinder 104 and the compression shell 105 are continuously compressed along with the continuous movement of the outer cylinder 101, the push rod 102 and the piston 103, so that the buffering effect is stronger and stronger, and further, the internal devices of the high-voltage circuit breaker are not damaged.
Referring to fig. 1, the buffer mechanism 1 further includes a fixing ring 109 fixedly connected to the circumferential sides of the outer cylinder 101 and the inner cylinder 104, a buffer spring 110 is fixedly installed on one side of the two fixing rings 109 close to each other, a sealing pad 111 is fixedly connected to the top surface of the piston 103, the sealing pad 111 is sleeved on the circumferential side of the push rod 102, the fixing ring 109 fixed on the outer cylinder 101 is driven by the U-shaped mounting plate 301 to separate from the fixing ring 109 fixed on the inner cylinder 104 when the spring mechanism 502 stores energy, so that the buffer spring 110 returns to normal state, and when closing is performed, the spring mechanism 502 with energy storage completed drives the fixing ring 109 fixed on the outer cylinder 101 to cooperate with the fixing ring 109 fixed on the inner cylinder 104 to compress the buffer spring 110, so that the buffer effect is further improved.
Referring to fig. 1, the upper end of the buffer mechanism 1 is connected with a first installation component 3 for installing the upper end of the buffer mechanism 1 through a movable component 2, the first installation component 3 includes a U-shaped installation plate 301, a reinforcing rib 302 is fixedly connected on the U-shaped installation plate 301, an installation hole is formed on one side surface of the U-shaped installation plate 301, when the spring mechanism 502 stores energy, the U-shaped installation plate 301 rotates under the driving of the rotating plate 503, after the lower end of the rotating plate 503 rotates for half a circle, the spring mechanism 502 stores energy, further, the U-shaped installation plate 301 pulls the upper connecting ring 107, the outer cylinder 101, the push rod 102 and the piston 103 to move in a direction away from the inner cylinder 104 through the sliding column 201, and the inner cylinder 104 also rotates on the rotating shaft 403 through the lower connecting ring 108.
Referring to fig. 3, the movable assembly 2 includes a sliding column 201 fixedly connected to a side surface of a U-shaped mounting plate 301, an external thread 202 is provided on a circumferential side surface of the sliding column 201, the sliding column 201 is in threaded connection with a threaded sleeve 203 through the external thread 202, an upper connecting ring 107 is sleeved on the sliding column 201, a gasket 204 is sleeved on a side surface of the threaded sleeve 203, which is close to the upper connecting ring 107, the upper connecting ring 107 can be limited through the cooperation between the threaded sleeve 203 and the external thread 202, the upper connecting ring 107 is prevented from falling off, and meanwhile, the assembly and the disassembly are convenient when the device needs to be maintained or replaced, and the outer cylinder 101 can rotate on the U-shaped mounting plate 301 through the sliding column 201.
Referring to fig. 5, the lower end of the buffer mechanism 1 is provided with a second installation component 4 for installing the lower end of the buffer mechanism 1, the second installation component 4 includes a bottom plate 401, the top surface of the bottom plate 401 is fixedly connected with two fixing plates 402, a rotating shaft 403 is fixedly connected between the two fixing plates 402, the circumferential side surface of the rotating shaft 403 is rotationally connected with a reserved hole of the lower connecting ring 108, four corners of the bottom plate 401 are provided with bolts 404, and the device is conveniently fixed in a shell 501 of the high-voltage circuit breaker body 5 through the cooperation of the bottom plate 401 and the bolts 404, and meanwhile, the device is convenient to disassemble and assemble when the device needs to be maintained or replaced.
When the high-voltage circuit breaker body 5 is switched on, the spring mechanism 502 is firstly stored by a tool, the stored spring mechanism 502 can drive the U-shaped mounting plate 301 to reset along with the rotating plate 503, at the moment, the U-shaped mounting plate 301 is driven by the rotating plate 503 to enable the upper connecting ring 107 to rotate on the sliding column 201, meanwhile, the upper connecting ring 107 drives the outer cylinder 101, the push rod 102 and the piston 103 to compress air in the inner cylinder 104 and the compression shell 105, and the inner cylinder 104 and the compression shell 105 are compressed continuously along with the continuous movement of the outer cylinder 101, the push rod 102 and the piston 103, so that the buffering effect is stronger and stronger, and further, the internal devices of the high-voltage circuit breaker are not damaged.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420849174.4U CN222146014U (en) | 2024-04-22 | 2024-04-22 | Buffering device of pneumatic switching-in and switching-off structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420849174.4U CN222146014U (en) | 2024-04-22 | 2024-04-22 | Buffering device of pneumatic switching-in and switching-off structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222146014U true CN222146014U (en) | 2024-12-10 |
Family
ID=93736942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420849174.4U Active CN222146014U (en) | 2024-04-22 | 2024-04-22 | Buffering device of pneumatic switching-in and switching-off structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222146014U (en) |
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2024
- 2024-04-22 CN CN202420849174.4U patent/CN222146014U/en active Active
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