CN221008845U - High-voltage alternating current breaker explosion chamber transmission structure - Google Patents
High-voltage alternating current breaker explosion chamber transmission structure Download PDFInfo
- Publication number
- CN221008845U CN221008845U CN202322883765.1U CN202322883765U CN221008845U CN 221008845 U CN221008845 U CN 221008845U CN 202322883765 U CN202322883765 U CN 202322883765U CN 221008845 U CN221008845 U CN 221008845U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- shell
- guide
- guide frame
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000004880 explosion Methods 0.000 title claims description 4
- 238000005457 optimization Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an arc extinguish chamber transmission structure of a high-voltage alternating current breaker, which comprises a shell and a transmission mechanism, wherein the transmission mechanism comprises an insulating pull rod vertically arranged and two transverse pull rods transversely arranged, the lower end of the insulating pull rod is connected with a hydraulic spring mechanism for driving the insulating pull rod to vertically move, the two transverse pull rods are used for converting the vertical movement of the insulating pull rod into the horizontal movement of the transverse pull rod through a crank arm and a connecting plate, a contact seat is fixed on the outer walls of the left side and the right side of the shell, a guide ring is arranged in the contact seat, the transverse pull rod penetrates through the guide ring and is in horizontal sliding connection with the contact seat, one end of the transverse pull rod positioned in the shell is hinged with one end of the connecting plate, a guide frame is fixed on the inner walls of the left side and the right side of the shell, and the connecting end of the transverse pull rod and the connecting plate are horizontally and slidably arranged on the guide frame through a sliding ring, and the sliding ring is in sliding connection with the guide frame along the left direction and the right direction. The utility model has high transmission efficiency, simple structure, safety and reliability and improves the overall performance of the product.
Description
Technical Field
The utility model relates to the technical field of high-voltage switch breakers, in particular to a transmission structure of an arc extinguish chamber of a high-voltage alternating current breaker.
Background
With the high-speed development of the economy in China, the power transmission capacity is continuously increased, the voltage level of a power transmission line is continuously increased, the occupied space of the conventional open type combined electrical appliance is continuously increased, and the available space in the city is continuously reduced, so that the closed type combined electrical appliance with small occupied area, reliable operation and less maintenance gradually replaces the open type combined electrical appliance. In a closed combined electrical appliance, a breaker is an important component part, short-circuit current is continuously improved at present, the requirement of a power grid cannot be completely met in the form of the breaker with an original mechanism arranged at one side of the breaker, so that the breaker with a built-in mechanism is developed, an output rod of a hydraulic spring mechanism is perpendicular to the moving direction of a moving contact of the breaker, and therefore, the vertical movement of an output shaft of the hydraulic mechanism is converted into the horizontal movement of an iron pull rod through a movement pair formed by parts such as an insulating pull rod, a crank arm, a connecting plate and the like; the iron pull rod drives the air cylinder and the movable arc contact to integrally move; the excellent degree of the design of the transmission structure directly affects the overall performance of the circuit breaker, so that the excellent design of the transmission structure is a very necessary work.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the circuit breaker arc extinguishing chamber transmission structure which improves transmission efficiency and has simple structure, safety and reliability.
The utility model is realized through the following technical scheme that the high-voltage alternating current breaker arc extinguish chamber transmission structure comprises a shell and a transmission mechanism, wherein the arc extinguish chamber is symmetrically arranged on the left side wall and the right side wall of the shell along the center of the shell, the power transmission mechanism comprises an insulating pull rod which is vertically arranged and two transverse pull rods which are transversely arranged, the lower end of the insulating pull rod is connected with a hydraulic spring mechanism which drives the insulating pull rod to vertically move, the two transverse pull rods convert the vertical movement of the insulating pull rod into the horizontal movement of the transverse pull rod through a crank arm and a connecting plate, a contact seat is fixed on the outer walls of the left side and the right side of the shell, a guide ring is arranged in the contact seat, one end of the transverse pull rod, which is positioned in the shell, is hinged with one end of the connecting plate through the guide ring, the connecting ends of the transverse pull rod and the connecting plate are slidably arranged on the guide frame, and the sliding ring is slidably connected with the guide frame along the left direction and the right direction.
According to the scheme, the vertical movement of the insulating pull rod is converted into the horizontal movement of the tie rod through the crank arm and the connecting plate, the transmission structure is simple, the transmission level is reduced, the tie rod performs position limitation on the tie rod through the guide ring, the tie rod horizontally slides on the contact seat, friction of the tie rod in the movement process is reduced, the connecting plate horizontally slides on the guide frame through the sliding ring when the connecting end of the tie rod moves, stress friction during transmission is reduced while the movement stability of the connecting end is enhanced, energy loss during transmission is reduced, and transmission efficiency is improved.
As optimization, two guide rings are arranged in the contact seat, distributed along the left-right direction and coaxially arranged. The stability of horizontal movement of the tie rod is enhanced by the aid of the two guide rings.
As optimization, the guide frame is provided with a sliding groove along the left and right Fang Xiangyan, and the sliding ring is rotatably arranged in the sliding groove. The sliding groove of the optimization scheme is rotatably arranged in the sliding groove of the guide frame, and when the connecting plate drives the tie rod to move, the sliding ring moves relative to the guide frame in a rotating way, so that friction between the sliding ring and the guide frame is further reduced.
As optimization, the tie rod is rotatably connected with the end parts of the connecting plate through shaft pins, and the slip rings are rotatably arranged at the two ends of the shaft pins. When the optimized scheme moves, the slip ring rotates relative to the shaft pin, so that friction between the slip ring and the shaft pin is further reduced.
As optimization, the guide frame comprises a fixed plate fixedly connected with the side wall of the shell and two guide plates fixedly connected with the fixed plate, and the connecting end of the tie rod and the connecting plate is positioned between the two guide plates. The connection plate of the optimization scheme between the two guide plates is convenient for installing the slip ring connection.
The beneficial effects of the utility model are as follows: the vertical movement of the insulating pull rod is converted into the horizontal movement of the transverse pull rod through the crank arm and the connecting plate, the movement of the transmission mechanism is that the transverse pull rod and the connecting end of the connecting plate are guided in a movement manner through the guide frame in the shell, the movement stability of the connecting position is enhanced, the connecting end slides through the rotating slip ring, the friction force during sliding is greatly reduced, the energy loss in the transmission process is reduced, and the transmission efficiency is improved.
Drawings
FIG. 1 is a schematic view of a depression structure of the present utility model;
FIG. 2 is a schematic view of the installation of the present utility model;
the figure shows:
1. Slip ring, 2, leading truck, 3, link plate, 4, turning arm, 5, contact seat, 6, guide ring, 7, horizontal pull rod, 8, insulating pull rod, 9, hydraulic spring mechanism, 10, pivot, 11, casing, 12, insulating cylinder.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
As shown in fig. 1-2, the transmission structure of the arc extinguish chamber of the high-voltage alternating current breaker comprises a shell 11 and a transmission mechanism, wherein the arc extinguish chamber is symmetrically arranged at the left side and the right side of the shell along the center of the shell 11, the shell is of a transversely arranged hollow cylindrical structure, and sealing covers are fixedly connected at the left end and the right end of the hollow cylinder in a sealing manner.
The transmission mechanism comprises an insulating pull rod 8 which is vertically arranged and two transverse pull rods 7 which are transversely arranged, the lower end of the insulating pull rod 8 is connected with a hydraulic spring mechanism 9 which drives the insulating pull rod to vertically move, and the two transverse pull rods 7 all convert the vertical movement of the insulating pull rod into the horizontal movement of the transverse pull rod through the crank arm 4 and the connecting plate 3.
The bottom rigid coupling of casing 11 has an insulating cylinder 12, and insulating cylinder 12 is the hollow tubular structure of vertical setting, will through insulating cylinder the casing is fixed in hydraulic spring mechanism's top, insulating pull rod 8 installs in insulating cylinder, insulating pull rod lower extreme with hydraulic spring mechanism 9's output rigid coupling, the upper end of insulating pull rod passes the bottom of casing and stretches into inside casing 11 and hinge with turning arm 4.
Two tie rods 7 are all connected with insulating pull rod through crank arm 4 and link plate 3, and crank arm 4 adopts L type structure, and the corner position of L type crank arm is installed on the casing through the pivot rotation, and tie rod 7 is located the one end of casing and links plate 3 one end articulated, specifically, tie rod 7 is connected through the pivot rotation with the tip of link plate 3, links plate 3 other end and crank arm upper end articulated rotation, and the lower extreme of two crank arms 4 is articulated to be installed insulating pull rod 8's upper end reaches through insulating pull rod, crank arm, link plate three parts and changes vertical movement into the effect of horizontal movement, reduces transmission level and energy loss.
The contact seat 5 is fixed on the left and right side outer walls of the shell 11, the guide ring 6 is installed in the contact seat, the tie rod 7 passes through the guide ring and is horizontally and slidably connected with the contact seat, two guide rings are installed in the contact seat, and the two guide rings 6 are distributed along the left and right directions and are coaxially arranged for further enhancing the stability of horizontal movement of the tie rod.
The left and right side inner walls of the shell 11 are fixedly provided with guide frames 2, the guide frames 2 comprise a fixed plate fixedly connected with the side wall of the shell and two guide plates fixedly connected with the fixed plate, and the connecting ends of the tie rods and the connecting plates are positioned between the two guide plates, and in the embodiment, the two guide frames 2 are symmetrically distributed along the center of the shell.
The connecting ends of the tie rod 7 and the connecting plate 3 are horizontally and slidably arranged on the guide frame 2 through the slip ring 1, and the slip ring 1 is rotatably arranged at the two ends of a shaft pin at the connecting end of the tie rod 7 and the connecting plate 3; the sliding ring 1 is connected with the guide frame in a sliding manner along the left-right direction, the guide frame is provided with a sliding groove along the left-right Fang Xiangyan in an extending manner, and the sliding ring is rotatably arranged in the sliding groove. The sliding ring is arranged in a rotating way relative to the guide frame and the shaft pin, so that the friction force in the process of stressed movement of the tie rod is greatly reduced while the movement direction is ensured. The guide frame of the embodiment adopts a split symmetrical structure, two sides of the guide frame are respectively arranged on the shell, the slip ring is flexibly adjusted to an optimal state through the allowance of the bolt holes of the shaft pins, and the accumulated tolerance of parts is absorbed.
Working principle: the hydraulic spring mechanism 9 drives the insulating pull rod 8 to vertically move up and down, and the crank arm 4 and the connecting plate 3 of the transmission mechanism drive the horizontal movement of the two tie rods 7, so that the switching-off and switching-on effects of the circuit breaker are realized by the integral movement of the air cylinder and the moving arc contact in the arc extinguishing chamber driven by the outer end of the tie rods 7, the structure is simple, and the transmission level is reduced. When the connecting plate 3 drives the tie rod 7 to move horizontally, the tie rod realizes stable guiding sliding through the guide ring 6 in the contact seat 5, the connecting end of the connecting plate and the tie rod horizontally slides in the sliding groove of the guide frame 2 through the sliding ring 1, so that the friction force in the process of stressed movement of the tie rod 7 is greatly reduced while the movement direction is ensured, the energy loss in the transmission process is reduced, and the transmission efficiency is improved.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (5)
1. The utility model provides a high-voltage alternating current circuit breaker explosion chamber transmission structure, includes casing (11) and drive mechanism, explosion chamber installs in the casing left and right sides along casing (11) central symmetry, drive mechanism includes insulating pull rod (8) of vertical setting and two transverse pull rods (7) of horizontal setting, and insulating pull rod (8) lower extreme is connected with the hydraulic spring mechanism (9) of the perpendicular motion of drive insulating pull rod, two transverse pull rod (7) all turn into the horizontal motion of transverse pull rod with the perpendicular motion of insulating pull rod through turning arm (4) and link plate (3), its characterized in that: the utility model discloses a portable electronic device is characterized in that a contact seat (5) is fixed on the left and right side outer wall of a shell (11), a guide ring (6) is installed in the contact seat, a tie rod (7) penetrates through the guide ring and is in horizontal sliding connection with the contact seat, one end of the tie rod (7) located in the shell (11) is hinged with one end of a connecting plate (3), a guide frame (2) is fixed on the left and right side inner wall of the shell, and the connecting end of the tie rod and the connecting plate is horizontally and slidably installed on the guide frame through a sliding ring (1), and the sliding ring is in sliding connection with the guide frame along the left and right directions.
2. The high voltage ac circuit breaker arc chute transmission structure of claim 1 wherein: two guide rings (6) are arranged in the contact base (5), distributed along the left-right direction and coaxially arranged.
3. The high voltage ac circuit breaker arc chute transmission structure of claim 1 wherein: the guide frame (2) is provided with a sliding groove in a left-right direction in an extending mode, and the sliding ring is rotatably arranged in the sliding groove.
4. The high voltage ac circuit breaker arc chute transmission structure of claim 1 wherein: the transverse pull rod (7) is rotatably connected with the end part of the connecting plate (3) through a shaft pin, and the slip ring is rotatably arranged at two ends of the shaft pin.
5. The high voltage ac circuit breaker arc chute transmission structure of claim 1 wherein: the guide frame (2) comprises a fixed plate fixedly connected with the side wall of the shell and two guide plates fixedly connected with the fixed plate, and the connecting end of the tie rod and the connecting plate is positioned between the two guide plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322883765.1U CN221008845U (en) | 2023-10-26 | 2023-10-26 | High-voltage alternating current breaker explosion chamber transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322883765.1U CN221008845U (en) | 2023-10-26 | 2023-10-26 | High-voltage alternating current breaker explosion chamber transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221008845U true CN221008845U (en) | 2024-05-24 |
Family
ID=91122483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322883765.1U Active CN221008845U (en) | 2023-10-26 | 2023-10-26 | High-voltage alternating current breaker explosion chamber transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221008845U (en) |
-
2023
- 2023-10-26 CN CN202322883765.1U patent/CN221008845U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108172457B (en) | A kind of vacuum circuit breaker with double breaks for medium pressure gas insulated switching installation | |
| CN112635231B (en) | Double-acting arc extinguishing chamber of circuit breaker and circuit breaker using same | |
| CN221008845U (en) | High-voltage alternating current breaker explosion chamber transmission structure | |
| CN106531545B (en) | A kind of high-pressure vacuum breaker | |
| CN216353922U (en) | Switching bus current conversion device of high-voltage isolating switch | |
| CN2330061Y (en) | High-voltage vacuum circuit breaker | |
| CN213242375U (en) | Sulfur hexafluoride circuit breaker control mechanism | |
| KR101151843B1 (en) | Vacuum interrupter driving mechanism using linear movement | |
| CN112259407B (en) | Three-phase linkage on-off transmission retaining device of high-voltage rapid vacuum switch and working method | |
| CN106601541A (en) | Circuit breaker | |
| CN210142615U (en) | Three-phase transmission device of circuit breaker | |
| CN107275146B (en) | Transmission mechanism for high-voltage circuit breaker | |
| CN219163304U (en) | Circuit breaker transmission device | |
| CN211238088U (en) | Transmission mechanism for permanent magnet type high-voltage vacuum circuit breaker | |
| CN106971903B (en) | circuit breaker | |
| CN217768212U (en) | Novel transmission device for permanent magnet high-voltage vacuum circuit breaker | |
| CN213093162U (en) | Operating mechanism of solid-sealed circuit breaker | |
| CN220796569U (en) | Circuit breaker | |
| CN211700121U (en) | Double-crank type transmission mechanism and vacuum circuit breaker for electric locomotive | |
| CN219105941U (en) | Arc grounding conversion metal grounding conversion device | |
| CN115841929B (en) | Column vacuum circuit breaker | |
| CN117438243A (en) | Double-acting contact vacuum circuit breaker structure | |
| CN1992118A (en) | Plug-in docking integral vacuum arc-extinction chamber | |
| CN214624868U (en) | Novel three-phase linkage circuit breaker transmission structure | |
| CN214428544U (en) | Floor type circuit breaker and circuit breaker mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |