CN110600340A - Circuit breaker operating mechanism - Google Patents
Circuit breaker operating mechanism Download PDFInfo
- Publication number
- CN110600340A CN110600340A CN201910853679.1A CN201910853679A CN110600340A CN 110600340 A CN110600340 A CN 110600340A CN 201910853679 A CN201910853679 A CN 201910853679A CN 110600340 A CN110600340 A CN 110600340A
- Authority
- CN
- China
- Prior art keywords
- shaft
- spring
- energy storage
- closing
- front panel
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a circuit breaker operating mechanism which comprises a front panel and a rear panel, wherein a spring hanging shaft is installed on the side part of the front panel, a brake separating spring cylinder is installed on the side part of the rear panel, a brake separating spring is installed inside the brake separating spring cylinder, an input shaft, an energy storage shaft, a brake closing pawl, a brake closing half shaft and a brake separating half shaft are respectively arranged between the front panel and the rear panel through a bearing rotating frame, a cam is riveted to the outer side of the energy storage shaft, a roller is rotatably installed on the side part of the cam, an output shaft is rotatably installed on the front panel through a bearing, an output shaft crank arm is installed on the outer side of the output shaft through a shaft clamp, a brake separating pawl is buckled between the output shaft crank arm and the brake separating half shaft, a spring frame is installed on the side part of the energy storage shaft, and a brake closing spring is. The invention can simply and conveniently realize the energy storage of the opening spring during closing and the energy storage of the closing spring during opening, and is convenient to operate and use.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker operating mechanism.
Background
The breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, before the frame type breaker works, energy is stored in an operating mechanism firstly, so that the stored energy is released in the contact closing and opening of the breaker, otherwise, the circuit breaker closing and opening actions can not be realized, and the energy storage of the operating mechanism is usually realized by driving an input shaft of an energy storage mechanism to rotate clockwise by a handle energy storage mechanism or an electric operating mechanism.
The existing energy storage is generally realized independently, and the energy storage of the opening spring and the closing spring is operated independently, so that the whole operating mechanism is large, occupies more space and is not beneficial to use.
Disclosure of Invention
The invention aims to provide a circuit breaker operating mechanism which can conveniently realize the energy storage of a switching-off spring during switching-on and can conveniently realize the energy storage of the switching-off spring during switching-off, thereby being convenient to operate and use and solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the circuit breaker operating mechanism comprises a front panel and a rear panel, wherein the front panel and the rear panel are arranged face to face and are fixedly connected through a plurality of groups of supporting columns, a hanging spring shaft is installed on the side portion of the front panel, an opening spring cylinder is installed on the side portion of the rear panel, an opening spring is installed inside the opening spring cylinder, an input shaft, an energy storage shaft, a closing pawl, a closing half shaft and an opening half shaft are respectively arranged between the front panel and the rear panel through a bearing rotating frame, a side key of the input shaft is connected with a first gear, a side key of the energy storage shaft is connected with a second gear meshed with the first gear, a cam is riveted on the outer side of the energy storage shaft, a roller is rotatably installed on the side portion of the cam, the side portion of the roller is abutted against the side portion of the closing pawl, the closing pawl is abutted against the side portion of the closing half shaft, an output shaft is rotatably installed on, the utility model discloses a brake energy storage device, including an output shaft, an energy storage shaft, an overhead spring, a spring shaft, a spring frame, a spring shaft, a spring, a connecting rod, a briquetting, the briquetting is pressed on the distolateral side at the separating brake spring, and the energy storage shaft is connected with the overhead spring, and the energy storage shaft is connected with the spring frame.
The side part of the front panel is rotatably provided with a rotating shaft, the side part of the rotating shaft is provided with an energy storage indicating arc plate, and the side part of the energy storage indicating arc plate is abutted to the side part of the spring frame.
The side part of the opening spring cylinder is provided with a through hole matched with the connecting rod, the lower part of the opening spring cylinder is provided with a spring base through a bolt, and the lower part of the spring base is abutted to the end part of the opening spring.
The end part of the input shaft is provided with an operating handle, and the end parts of the closing half shaft and the opening half shaft are respectively provided with a closing knob and an opening knob through connecting shafts.
The motor is installed between the front panel and the rear panel, the output end of the motor is connected with the end of the input shaft through the coupler, and the motor switch is installed on the side portion of the front panel.
Wherein the transmission ratio of the first gear and the second gear is 5:1-2:1, and the first gear and the second gear are both arranged between the front panel and the rear panel.
The side part of the spring frame is provided with a mounting hole matched with a claw of a closing spring, and the upper part of the spring frame is provided with a shaft lever matched with the energy storage indicating arc plate.
The supporting frame is installed on the side portion of the front panel, the auxiliary switch is installed in the middle of the supporting frame in a sliding mode, and the auxiliary switch is opposite to the side portion of the motor switch.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
according to the invention, the first gear is rotated by rotating the input shaft, so that the second gear and the energy storage shaft are driven to rotate, so that the cam is driven to rotate, the roller on the cam presses the closing pawl, the closing pawl presses the closing half shaft, the closing half shaft rotates anticlockwise to release the force of the closing spring, the force of the closing spring enables the cam to rotate clockwise from the lowest point to the highest point, the crank arm of the output shaft is stirred and pulls the opening spring to store energy, the crank arm of the output shaft presses the opening pawl, the opening pawl presses the opening half shaft, and the switch is in a closing state at the moment; the power of the opening spring is released by the counterclockwise rotation of the opening half shaft, the mechanism returns to the initial position, namely the switch is in an opening state, the switching-on and switching-off operations are simply and conveniently realized, the energy storage of the opening spring is simply and conveniently realized during the switching-on, and the energy storage of the closing spring is simply and conveniently realized during the switching-off.
According to the invention, the energy storage indicating arc plate is arranged at the side part of the rotating shaft, the shaft lever matched with the energy storage indicating arc plate is arranged at the upper part of the spring frame, the spring frame drives the shaft lever to move in the process of rotating the output shaft crank arm, so that the energy storage indicating arc plate is driven to move, the conditions of switching on and switching off can be judged by observing the state of the energy storage indicating arc plate, and the judgment and the operation of workers are facilitated.
According to the invention, the operating handle is arranged at one end part of the input shaft, and the output end of the motor is connected with the other end of the input shaft, so that an operator can select an energy storage mode according to actual conditions, and the energy storage can be started manually or started electrically.
According to the invention, the closing knob and the opening knob are respectively arranged at the end parts of the closing half shaft and the opening half shaft, the support frame and the auxiliary switch are arranged on the front panel, the rear panel and the whole structure are conveniently arranged in the box, and the closing knob, the opening knob and the auxiliary switch are arranged on the outer side of the box body, so that the operation of opening the box is avoided.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a sectional view of the structure of part A-A of the drawing of the present invention;
FIG. 3 is a front elevational view of the front panel partial structure of the present invention;
FIG. 4 is a side isometric view of the overall structure of the present invention;
FIG. 5 is another side isometric view of the overall structure of the present invention;
FIG. 6 is a side isometric view of a back panel portion structure of the present invention;
FIG. 7 is another side isometric view of a back panel portion structure of the present invention;
FIG. 8 is a side cross-sectional view of the structure of the opening spring cage of the present invention.
The labels in the figure are: 1. a front panel; 2. a rear panel; 3. a pillar; 4. a spring hanging shaft; 5. a brake-separating spring cylinder; 6. a brake separating spring; 7. an input shaft; 8. an energy storage shaft; 9. closing a brake; 10. a switching-on half shaft; 11. a brake-separating half shaft; 12. a first gear; 13. a second gear; 14. a cam; 15. a roller; 16. an output shaft; 17. an output shaft crank arm; 18. brake separating latch; 19. a spring holder; 20. a closing spring; 21. a connecting rod; 22. briquetting; 23. a rotating shaft; 24. an energy storage indicating arc plate; 25. a through hole; 26. a spring mount; 27. an operating handle; 28. a connecting shaft; 29. a closing knob; 30. a brake separating knob; 31. a motor; 32. a motor switch; 33. mounting holes; 34. a shaft lever; 35. a support frame; 36. an auxiliary switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a circuit breaker operating mechanism as shown in figures 1-8, which comprises a front panel 1 and a rear panel 2, wherein the front panel 1 and the rear panel 2 form a main body for supporting and fixing each structure, the front panel 1 and the rear panel 2 are arranged face to face and are connected and fixed through a plurality of groups of struts 3, the front panel and the rear panel 2 are fixed by the struts 3, a corresponding mounting space is formed between the front panel and the rear panel 2, a spring hanging shaft 4 is arranged at the side part of the front panel 1, a brake separating spring cylinder 5 is arranged at the side part of the rear panel 2, a brake separating spring 6 is arranged in the brake separating spring cylinder 5, a through hole 25 matched with a connecting rod 21 is arranged at the side part of the brake separating spring cylinder 5, a spring base 26 is arranged at the lower part of the spring base 26 through a bolt, the lower part of the spring base 26 is abutted against the end part of the brake separating spring 6, the cooperation of the opening spring cylinder 5 and the spring base 26 is used for fixing the opening spring 6, the through hole 25 facilitates the connecting rod 21 to push the pressing block 22 to move in the opening spring cylinder 5, and the energy storage and reset processes of the opening spring 6 are realized;
an input shaft 7, an energy storage shaft 8, a closing pawl 9, a closing half shaft 10 and an opening half shaft 11 are respectively arranged between the front panel 1 and the rear panel 2 through a bearing rotating frame, a first gear 12 is connected with a side key of the input shaft 7, a second gear 13 meshed with the first gear 12 is connected with a side key of the energy storage shaft 8, for the convenience of transmission, the transmission ratio of the first gear 12 to the second gear 13 is 5:1-2:1, the first gear 12 and the second gear 13 are both positioned between the front panel 1 and the rear panel 2, a cam 14 is riveted on the outer side of the energy storage shaft 8, a roller 15 is rotatably mounted on the side of the cam 14, the side of the roller 15 is abutted against the side of the closing pawl 9, the closing pawl 9 is abutted against the side of the closing half shaft 10, the rotation of the input shaft 7 drives the energy storage shaft 8 to rotate under the cooperation of the first gear 12 and the second gear 13, and further enables the cam 14 to rotate, the cam 14 is in contact with the closing pawl 9 and enables the closing pawl 9 to push the closing half shaft 10 to rotate anticlockwise;
an output shaft 16 is rotatably arranged on the front panel 1 through a bearing, an output shaft crank arm 17 is arranged on the outer side of the output shaft 16 through a shaft clamp, the side part of the output shaft crank arm 17 is abutted against a cam 14, an opening pawl 18 is buckled between the output shaft crank arm 17 and an opening half shaft 11, the opening pawl 18 is used for being matched with the opening half shaft 11 and the output shaft crank arm 17 to play a role in fixing and subsequent opening, a spring frame 19 is arranged on the side part of an energy storage shaft 8, the energy storage shaft 8 is connected with the spring frame 19 through the matching of a ratchet wheel and a pawl (not shown), the output shaft crank arm pushes the pawl to be separated from the ratchet wheel during operation so as to enable the pawl to well operate, a mounting hole 33 matched with a foot claw of a closing spring 20 is formed in the side part of the spring frame 19, the mounting hole 33 is used for fixing the closing spring 20, the closing spring 20 is arranged between the hanging spring shaft 4, the end of the connecting rod 21 is welded with a pressing block 22, and the pressing block 22 presses the end side of the opening spring 6.
Please refer to fig. 4 and 5, the front panel 1 has a rotating shaft 23 at its side, an energy storage indicating arc plate 24 at its side, the energy storage indicating arc plate 24 has a side abutting against the side of the spring frame 19, a shaft lever 34 cooperating with the energy storage indicating arc plate 24 is installed at the upper part of the spring frame 19, the energy storage indicating arc plate 24 is installed at the side of the rotating shaft 23, the shaft lever 34 cooperating with the energy storage indicating arc plate 24 is installed at the upper part of the spring frame 19, in the rotating process of the output shaft crank arm 17, the spring frame 19 drives the shaft lever 34 to move, and further drives the energy storage indicating arc plate 24 to move, and by observing the state of the energy storage indicating arc plate 24, the conditions of closing and opening can be determined, and the worker can conveniently determine and operate.
Referring to fig. 6, an operating handle 27 is installed at an end of an input shaft 7, a motor 31 is installed between a front panel 1 and a rear panel 2, the motor 31 is a 53ZY-CJ series forward and backward rotation stepping motor, an output end of the motor 31 is connected with an end of the input shaft 7 through a coupling, a motor switch 32 is installed at a side portion of the front panel 1, the motor switch 32 is a button switch and is used for supplying or cutting off power to the motor 31, the operating handle 27 is installed at one end of the input shaft 7, and the output end of the motor 31 is connected with the other end of the input shaft 7, so that an operator can select an energy storage mode according to actual conditions, and the energy storage can be started manually or started electrically.
Referring to fig. 2 and 7, the closing half shaft 10 and the opening half shaft 11 are respectively provided at their ends with a closing knob 29 and an opening knob 30 via a connecting shaft 28, a support frame 35 is provided at a side portion of the front panel 1, an auxiliary switch 36 is slidably provided at a middle portion of the support frame 35, the auxiliary switch 36 is opposite to a side portion of the motor switch 32, and the operation and the disconnection of the motor switch 32 are triggered by the sliding of the auxiliary switch 36 in the support frame 35, by installing the closing knob 29 and the opening knob 30 at the ends of the closing half shaft 10 and the opening half shaft 11 respectively, and a support frame 35 and an auxiliary switch 36 are arranged on the front panel 1, so that the front panel 1 and the rear panel 2 and the integral structure can be conveniently arranged in the box, and the closing knob 29, the opening knob 30 and the auxiliary switch 36 are arranged outside the box body, so that the corresponding box body can be conveniently added according to actual requirements, the installation is convenient, and the operation of opening the box is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. Circuit breaker operating device, including front panel (1) and rear panel (2), its characterized in that: the front panel (1) and the rear panel (2) are arranged face to face and are fixedly connected through a plurality of groups of supporting columns (3), a hanging spring shaft (4) is installed on the side portion of the front panel (1), a separating spring cylinder (5) is installed on the side portion of the rear panel (2), a separating spring (6) is installed inside the separating spring cylinder (5), an input shaft (7), an energy storage shaft (8), a closing pawl (9), a closing half shaft (10) and a separating half shaft (11) are arranged between the front panel (1) and the rear panel (2) through bearing rotating frames respectively, a first gear (12) is connected with a side portion key of the input shaft (7), a second gear (13) meshed with the first gear (12) is connected with the side portion key of the energy storage shaft (8), a cam (14) is riveted on the outer side of the energy storage shaft (8), and a roller (15) is installed on the side portion of the cam (14) in a rotating mode, the side part of the roller (15) is pressed against the side part of the closing pawl (9), the closing pawl (9) is pressed against the side part of the closing half shaft (10), an output shaft (16) is rotatably arranged on the front panel (1) through a bearing, an output shaft crank arm (17) is arranged on the outer side of the output shaft (16) through a shaft clamp, the side part of the output shaft crank arm (17) is abutted against the cam (14), a brake-separating latch (18) is buckled between the output shaft crank arm (17) and the brake-separating half shaft (11), a spring frame (19) is arranged at the side part of the energy storage shaft (8), a closing spring (20) is arranged between the spring hanging shaft (4) and the spring frame (19), the side part of the output shaft (16) is hinged with a connecting rod (21), a pressing block (22) is welded at the end part of the connecting rod (21), and the pressing block (22) is pressed on the end side of the opening spring (6).
2. The circuit breaker operating mechanism of claim 1 wherein: the lateral part of front panel (1) is rotated and is installed pivot (23), energy storage indication arc board (24) are installed to the lateral part of pivot (23), the lateral part of energy storage indication arc board (24) is inconsistent with the lateral part of spring bracket (19).
3. The circuit breaker operating mechanism of claim 1 wherein: the lateral part of separating brake spring case (5) is seted up with connecting rod (21) matched with through-hole (25), spring base (26) are installed through the bolt to the lower part of separating brake spring case (5), the lower part of spring base (26) is inconsistent with the tip of separating brake spring (6).
4. The circuit breaker operating mechanism of claim 1 wherein: an operating handle (27) is installed at the end part of the input shaft (7), and a closing knob (29) and an opening knob (30) are installed at the end parts of the closing half shaft (10) and the opening half shaft (11) through connecting shafts (28) respectively.
5. The circuit breaker operating mechanism of claim 1 wherein: install motor (31) between front panel (1) and rear panel (2), the output of motor (31) passes through the shaft coupling with the tip of input shaft (7) and links to each other, motor switch (32) are installed to the lateral part of front panel (1).
6. The circuit breaker operating mechanism of claim 1 wherein: the transmission ratio of the first gear (12) and the second gear (13) is 5:1-2:1, and the first gear (12) and the second gear (13) are both arranged between the front panel (1) and the rear panel (2).
7. The circuit breaker operating mechanism of claim 2 wherein: the side part of the spring frame (19) is provided with a mounting hole (33) matched with a claw of the closing spring (20), and the upper part of the spring frame (19) is provided with a shaft lever (34) matched with the energy storage indicating arc plate (24).
8. The circuit breaker operating mechanism of claim 5 wherein: support frame (35) are installed to the lateral part of front panel (1), the middle part slidable mounting of support frame (35) has auxiliary switch (36), auxiliary switch (36) are relative with motor switch (32)'s lateral part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853679.1A CN110600340B (en) | 2019-09-10 | 2019-09-10 | Circuit breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853679.1A CN110600340B (en) | 2019-09-10 | 2019-09-10 | Circuit breaker operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600340A true CN110600340A (en) | 2019-12-20 |
| CN110600340B CN110600340B (en) | 2024-08-27 |
Family
ID=68858513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910853679.1A Active CN110600340B (en) | 2019-09-10 | 2019-09-10 | Circuit breaker operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110600340B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121517A (en) * | 2021-11-04 | 2022-03-01 | 泉州市大西洋电力科技有限公司 | Intelligent control mechanism of switch circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803467A (en) * | 2017-03-01 | 2017-06-06 | 珠海康晋电气股份有限公司 | A kind of control device of circuit breaker |
| CN107887221A (en) * | 2017-12-14 | 2018-04-06 | 朱银章 | New A BB on-load switch combined electrical apparatuses mechanism |
| CN210296267U (en) * | 2019-09-10 | 2020-04-10 | 泰兴市盛源电器有限公司 | Circuit breaker operating mechanism |
-
2019
- 2019-09-10 CN CN201910853679.1A patent/CN110600340B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803467A (en) * | 2017-03-01 | 2017-06-06 | 珠海康晋电气股份有限公司 | A kind of control device of circuit breaker |
| CN107887221A (en) * | 2017-12-14 | 2018-04-06 | 朱银章 | New A BB on-load switch combined electrical apparatuses mechanism |
| CN210296267U (en) * | 2019-09-10 | 2020-04-10 | 泰兴市盛源电器有限公司 | Circuit breaker operating mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121517A (en) * | 2021-11-04 | 2022-03-01 | 泉州市大西洋电力科技有限公司 | Intelligent control mechanism of switch circuit breaker |
| CN114121517B (en) * | 2021-11-04 | 2024-01-02 | 泉州市大西洋电力科技有限公司 | Intelligent control mechanism of switch breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110600340B (en) | 2024-08-27 |
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