CN111508768A - Operating mechanism of gas-insulated switchgear circuit breaker - Google Patents

Operating mechanism of gas-insulated switchgear circuit breaker Download PDF

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Publication number
CN111508768A
CN111508768A CN202010415848.6A CN202010415848A CN111508768A CN 111508768 A CN111508768 A CN 111508768A CN 202010415848 A CN202010415848 A CN 202010415848A CN 111508768 A CN111508768 A CN 111508768A
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CN
China
Prior art keywords
fixed
cam
mandrel
motor
plate
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Granted
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CN202010415848.6A
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Chinese (zh)
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CN111508768B (en
Inventor
杨勇
陈思铭
吴江
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Zhejiang Yichen Electric Co ltd
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Zhejiang Yichen Electric Co ltd
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Priority to CN202010415848.6A priority Critical patent/CN111508768B/en
Publication of CN111508768A publication Critical patent/CN111508768A/en
Application granted granted Critical
Publication of CN111508768B publication Critical patent/CN111508768B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements

Abstract

The invention discloses an operating mechanism of a gas-filled tank circuit breaker, which comprises an operating shell, wherein a fixed mandrel is fixed on the inner side wall of the operating shell, a fixed triangle, a positioning mandrel and an opening and closing operating rod are matched on the fixed mandrel, the positioning mandrel is matched with a chute plate and a groove-shaped plate, the groove-shaped plate is matched with an inner groove sliding rod, the inner groove sliding rod is fixedly connected with one end of the sliding rod plate, the other end of the sliding rod plate is fixedly connected with the middle part of a cam rocker, one end of the cam rocker is connected with a large mandrel boss, the other end of the cam rocker is connected with the front end of a closing spring mechanism, the other end of the closing spring mechanism is connected with a small mandrel boss, the cam rocker is matched with a manual cam and a motor cam, the motor cam is fixedly connected with a motor turbine, the. The operating mechanism of the gas-filled cabinet circuit breaker ensures safety through button type operation, and simultaneously has few parts.

Description

Operating mechanism of gas-insulated switchgear circuit breaker
Technical Field
The invention relates to the field of gas-filled cabinet devices, in particular to an operating mechanism of a gas-filled cabinet breaker.
Background
The inflatable cabinet is a new generation of switch equipment, the main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, the whole cabinet is combined with a sulfur hexafluoride gas compartment by adopting air insulation, and the inflatable cabinet is compact and expandable and is suitable for distribution automation. In the field of high-voltage vacuum circuit breakers, spring operating mechanisms are commonly used, and in recent years, along with the continuous expansion of the capacity of a power system, the electrical connection degree between power grids is gradually tight, the short circuit level of the power grids is rapidly improved, and the requirements on high-capacity and generator circuit breakers are continuously increased; in accordance therewith, spring operated mechanisms have also found application in generator circuit breaker products.
The mode that adopts the knob is generally carried out when the workman to divide-shut brake to present aerify cabinet circuit breaker operating device, but this kind of danger that the condition workman operated such as in case take place electric leakage will greatly increased, very inconvenient also does not accord with the higher occasion of security requirement, and simultaneously, aerify cabinet circuit breaker internal part is in large quantity, is unfavorable for maintaining and the life-span is limited.
Disclosure of Invention
The invention mainly aims to provide an operating mechanism of a gas-filled cabinet circuit breaker, which can effectively solve the problems of high operating risk of a knob and large number of parts in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an operating mechanism of a gas-filled cabinet breaker comprises an operating case, wherein a fixed mandrel is fixed on the inner side wall of the operating case, a fixed triangular plate is matched on the fixed mandrel, a positioning mandrel is fixed on the fixed triangular plate and is connected with an opening and closing operating rod, a sliding chute plate is matched on the positioning mandrel and is matched with a groove-shaped plate, the groove-shaped plate is matched with an inner groove sliding rod, the inner groove sliding rod is fixedly connected with one end of the sliding rod plate, the other end of the sliding rod plate is fixedly connected with the middle part of a cam rocker, one end of the cam rocker is connected with a large mandrel boss, the other end of the cam rocker is connected with the front end of a closing spring mechanism, the other end of the closing spring mechanism is connected with a small mandrel boss, the cam rocker is matched with a manual cam and a motor cam, and the motor cam is, the motor worm is fixed on a shaft of the energy storage motor, and the cam rocker is provided with a spring buckle.
Preferably, the operation casing is cuboid thin-walled structure, the back of the operation casing is provided with a threaded hole and the inner side wall is provided with a through hole, and the fixed mandrel is fixed on the through hole through a nut.
Preferably, fixed set-square is three six of group, open at the three angle of fixed set-square has the through-hole, the through-hole of a hole chain fixed mandrel, another hole chain location mandrel and last hole chain switching action bars one end of fixed set-square, fixed mandrel has two sets of fixed set-squares for step shaft and its shaft shoulder location, the location mandrel is the last fixed set-square of step shaft and its shaft shoulder location, the switching action bars is three and the operating lever that opens and shuts of the fixed set-square cooperation of every group.
Preferably, the sliding groove plates are two sets of four and are concave plate members, through holes are formed in two ends of each sliding groove plate member, the groove openings of the group of sliding groove plate members are connected with the positioning mandrel, one end of the group of sliding groove plate members is fixed with the group of groove plate members through bolts, the groove plate members are two in one group, the groove plate members are provided with the inner groove openings, and the inner groove sliding rods and the group of groove plate members form a sliding block mechanism.
Preferably, the inside groove slide bar is fixed at one end of a slide bar plate, the other end of the slide bar plate is fixedly connected with the middle part of a cam rocker through a bolt, the slide bar plate is provided with a through hole which is triangular, the cam rocker is a flat long rod, the middle part and two ends of the cam rocker are provided with through holes, one end of the cam rocker is connected with a large mandrel boss, the large mandrel boss is fixed on the inner wall of the operating shell through a bolt, the other end of the cam rocker is buckled with a buckle of a spring buckle, one end of the cam rocker, which is close to the spring buckle, is connected with the front end of a closing spring mechanism, the other end of the closing spring mechanism is connected with a small mandrel boss, and the small mandrel boss.
Preferably, the manual cam and the cam rocker form a cam rocker mechanism, the motor cam and the cam rocker form a cam rocker mechanism, the manual cam and the motor cam are different in size and are provided with the same key slots, the manual cam and the motor cam are connected with another two large mandrel bosses fixed on the inner wall of the operating shell, the key slots of the motor cam are consistent with the key slots of the motor turbine, the motor turbine is connected with the motor cam, the motor turbine and the motor worm are a worm gear mechanism, the motor worm is fixed on a shaft of the energy storage motor, and the energy storage motor is fixed on the inner wall of the operating shell through bolts.
Preferably, the spring catch is a catch containing a spring which is positioned by another small spindle boss fixed to the inner wall of the operating housing.
Compared with the prior art, the invention has the following beneficial effects: this operating device who aerifys cabinet circuit breaker, the cam rocker mechanism that constitutes through motor cam and cam rocker makes the buckle lock of the one end of cam rocker and spring buckle, and the circuit breaker closes a floodgate this moment, presses the spring buckle and makes buckle disconnection lock rely on the elasticity of closing a floodgate spring mechanism to make the cam rocker gyration, and the circuit breaker is opened a floodgate this moment, and whole operating device only has a button, does not have the knob operation safer, and this operating device who aerifys cabinet circuit breaker's part is small in quantity, simple structure easy maintenance.
Drawings
FIG. 1 is a schematic structural view of an operating mechanism of a gas-filled tank circuit breaker according to the present invention;
FIG. 2 is a schematic view of the hinge mechanism of the operating mechanism of the gas-filled tank circuit breaker of the present invention;
FIG. 3 is a schematic view of a cam rocker mechanism of an operating mechanism of the gas-filled tank circuit breaker of the present invention;
fig. 4 is a schematic view of a slider mechanism of an operating mechanism of a gas-filled tank circuit breaker according to the present invention.
Fig. 5 is a schematic diagram of a worm and gear mechanism of an operating mechanism of the gas-filled tank circuit breaker according to the invention.
In the figure: 1. operating the housing; 2. a fixed mandrel; 3. fixing a set square; 4. positioning a mandrel; 5. an opening and closing operation rod; 6. a chute plate; 7. a trough-shaped plate; 8. an inner groove slide bar; 9. a slide bar plate; 10. a cam rocker; 11. a large mandrel boss; 12. a closing spring mechanism; 13. a manual cam; 14. a motor cam; 15. a motor turbine; 16. a motor worm; 17. an energy storage motor; 18. a spring buckle; 19. a small mandrel boss.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme of the invention is further elaborated below.
As shown in fig. 1-5, the operating mechanism of the gas-filled tank circuit breaker in this embodiment comprises an operating case 1, a fixed mandrel 2 is fixed on the inner side wall of the operating case 1, a fixed triangle 3 is provided on the fixed mandrel 2, a positioning mandrel 4 is fixed on the fixed triangle 3, the fixed triangle 3 is linked with an opening and closing operating rod 5, the positioning mandrel 4 is provided with a chute plate 6, the chute plate 6 is matched with a groove plate 7, the groove plate 7 is provided with an inner groove sliding rod 8, the inner groove sliding rod 8 is fixedly connected with one end of a sliding rod plate 9, the other end of the sliding rod plate 9 is fixedly connected with the middle part of a cam rocker 10, one end of the cam rocker 10 is linked with a large mandrel boss 11, the other end of the cam rocker 10 is linked with the front end of a closing spring mechanism 12, the other end of the closing spring mechanism 12 is linked with a small mandrel boss, the motor cam 14 is fixedly connected with a motor turbine 15, the motor turbine 15 is provided with a motor worm 16, the motor worm 16 is fixed on a shaft of an energy storage motor 17, the type of the energy storage motor 17 is a 59ZY permanent magnet direct current motor and is provided with a related module and a release to be connected with a circuit, and the cam rocker 10 is provided with a spring buckle 18.
In the embodiment, the operation machine shell 1 is of a cuboid thin-wall structure, the adaptability is good as a common result, the back surface of the operation machine shell 1 is provided with a threaded hole, the inner side wall of the operation machine shell is provided with a through hole for fixing other components, and the fixing mandrel 2 is fixed on the through hole through a nut; the three groups of the fixed triangular plates 3 are six, through holes are formed in three corners of the fixed triangular plates 3, one hole of each fixed triangular plate 3 is connected with a fixed mandrel 2, the other hole of each fixed triangular plate is connected with a positioning mandrel 4 and a through hole at one end of a last hole of an opening-closing operating rod 5, the fixed mandrel 2 is a stepped shaft, two groups of the fixed triangular plates 3 are positioned on a shaft shoulder of the stepped shaft, the stepped shaft is convenient to process and positions parts on the shaft, the positioning mandrel 4 is the stepped shaft, the last group of the fixed triangular plates 3 are positioned on the shaft shoulder of the positioning mandrel 4, the opening-closing operating rods 5 are three, each group of the fixed triangular plates 3 are matched with one opening-closing operating rod 5, and the three groups of the fixed; the sliding groove plates 6 are two groups of four and are internally concave type plates, through holes are formed at two ends of each sliding groove plate 6, the groove openings formed by combining the sliding groove plates 6 are connected with the positioning mandrel 4, one end of each sliding groove plate 6 is fixed with a group of groove type plates 7 through bolts, the groove type plates 7 are two groups of groove type plates 7, the groove type plates 7 are provided with inner groove openings, and an inner groove sliding rod 8 and the group of groove type plates 7 form a sliding block mechanism; the inner groove sliding rod 8 is fixed at one end of a sliding rod plate 9, the other end of the sliding rod plate 9 is fixedly connected with the middle part of a cam rocker 10 through a bolt, a through hole is formed in the sliding rod plate 9 and is triangular, the cam rocker 10 is a flat long rod, the middle part and two ends of the cam rocker are provided with the through hole, one end of the cam rocker 10 is connected with a large mandrel boss 11, the large mandrel boss 11 is fixed on the inner wall of the operating shell 1 through the bolt, the other end of the cam rocker 10 is buckled with a buckle of a spring buckle 18, one end, close to the spring buckle 18, of the cam rocker 10 is connected with the front end of a closing spring mechanism 12, the other end of the closing spring mechanism 12 is connected with a small mandrel boss 19, the small mandrel boss 19 is; the manual cam 13 and the cam rocker 10 form a cam rocker mechanism, in order to supplement the cam rocker mechanism to prevent the motor from working errors, the motor cam 14 and the cam rocker 10 form the cam rocker mechanism, the manual cam 13 and the motor cam 14 are different in size and are provided with the same key slot, the same type of components are convenient to maintain, the manual cam 13 and the motor cam 14 are connected with another two large-scale mandrel bosses 11 fixed on the inner wall of the operating shell 1, the key slot of the motor cam 14 is consistent with the key slot of the motor turbine 15, the motor turbine 15 is connected with the motor cam 14, the motor turbine 15 and the motor worm 16 are worm gear mechanisms, the motor worm 16 is fixed on the shaft of the energy storage motor 17, and the energy storage motor 17 is fixed on the inner wall of the operating shell 1 through bolts; the spring catch 18 is a catch containing a spring, the spring catch 18 being positioned by another small spindle boss 19 fixed to the inner wall of the operating case 1, the spring catch 18 being a switch part.
It should be noted that, the invention is an operating mechanism of a gas-filled tank circuit breaker, when in use, a user connects the circuit, the mechanical energy of an energy storage motor 17 is converted into the mechanical energy of the rotation of a motor cam 14 through a worm gear mechanism composed of a motor turbine 15 and a motor worm 16, when the motor cam 14 rotates to a far angle of repose, one end of a cam rocker 10 is pushed into a buckle of a spring buckle 18, at the moment, an inner groove sliding rod 8 fixed with the cam rocker 10 through a sliding rod plate 9 drives a groove-shaped plate 7 to move, the groove-shaped plate 7 drives three opening and closing operating rods 5 through a hinge mechanism composed of the sliding rod plate 6, a positioning mandrel 4, a fixed triangle plate 3 and a fixed mandrel 2 to close the circuit breaker, and at the moment, the circuit breaker is closed, the buckle is closed through pressing down the spring buckle 18, the cam rocker 10 rotates by the elasticity of a closing spring mechanism 12, drive the motion of cell type plate 7, the hinge mechanism that makes spout plate 6, location mandrel 4, fixed set-square 3 and fixed mandrel 2 constitute drives three operating lever 5 that opens and shuts and breaks off the circuit breaker, and the circuit breaker is opened floodgate this moment, and is whole with a button switch, does not have rotary switch, easy operation, and part is small in quantity, and it is convenient to maintain, comparatively practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an operating device who aerifys cabinet circuit breaker which characterized in that: comprises an operation casing (1), a fixed mandrel (2) is fixed on the inner side wall of the operation casing (1), a fixed triangle (3) is arranged on the fixed mandrel (2), a positioning mandrel (4) is fixed on the fixed triangle (3), an opening and closing operating rod (5) is linked with the fixed triangle (3), a chute plate (6) is arranged on the positioning mandrel (4), the chute plate (6) is matched with a groove plate (7), the groove plate (7) is provided with an inner groove sliding rod (8), the inner groove sliding rod (8) is fixedly connected with one end of a sliding rod plate (9), the other end of the sliding rod plate (9) is fixedly connected with the middle part of a cam rocker (10), one end of the cam rocker (10) is linked with a large-scale mandrel boss (11), and the other end of the cam rocker (10) is linked with the front end of a closing spring mechanism (12), the other end of the closing spring mechanism (12) is linked with a small mandrel boss (19), the cam rocker (10) is provided with a manual cam (13) and a motor cam (14), the motor cam (14) is fixedly linked with a motor turbine (15), the motor turbine (15) is provided with a motor worm (16), the motor worm (16) is fixed on a shaft of an energy storage motor (17), and the cam rocker (10) is provided with a spring buckle (18).
2. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: the operation casing (1) is cuboid thin-walled structure, threaded hole and inside wall are opened at operation casing (1) back and are had the through-hole, fixed mandrel (2) are fixed on the through-hole through the nut.
3. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: fixed set-square (3) are six of three groups, open the three angle of fixed set-square (3) has the through-hole, the through-hole of the fixed mandrel of a hole link (2), another hole link positioning mandrel (4) and last hole link operating lever (5) one end that opens and shuts, fixed mandrel (2) have two sets of fixed set-squares (3) for step shaft and its shaft shoulder location, positioning mandrel (4) are last a set of fixed set-square (3) of step shaft and its shaft shoulder location, the operating lever (5) that opens and shuts is three and the operating lever (5) that opens and shuts of the fixed set-square (3) cooperation of every group.
4. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: the sliding groove plate is characterized in that the sliding groove plates (6) are two sets of four inward concave plate bodies, through holes are formed in the two ends of each sliding groove plate (6), the groove openings formed in the combination of the sliding groove plates (6) are connected with the positioning mandrel (4), one end of each sliding groove plate (6) is fixed with one groove plate (7) through bolts, the groove plates (7) are two in one set, the groove plates (7) are provided with inner groove openings, and the inner groove sliding rods (8) and one groove plate (7) form a sliding block mechanism.
5. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: the inner groove sliding rod (8) is fixed at one end of a sliding rod plate (9), the other end of the sliding rod plate (9) is fixedly connected with the middle part of a cam rocker (10) through a bolt, the slide bar plate (9) is provided with a through hole and is triangular, the cam rocker (10) is a flat long rod, the middle part and two ends of the cam rocker are provided with through holes, one end of the cam rocker (10) is linked with a large mandrel boss (11), the large mandrel boss (11) is fixed on the inner wall of the operation shell (1) through a bolt, the other end of the cam rocker (10) is buckled with the buckle of the spring buckle (18), one end of the cam rocker (10) close to the spring buckle (18) is linked with the front end of the closing spring mechanism (12), the other end of the closing spring mechanism (12) is linked with a small mandrel boss (19), the small mandrel boss (19) is fixed on the inner wall of the operation shell (1) through a bolt.
6. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: the manual cam (13) and the cam rocker (10) form a cam rocker mechanism, the motor cam (14) and the cam rocker (10) form a cam rocker mechanism, the manual cam (13) and the motor cam (14) are different in size and are provided with identical key grooves, the manual cam (13) and the motor cam (14) are connected with two large mandrel bosses (11) fixed on the inner wall of the operation shell (1), the key grooves of the motor cam (14) are consistent with the key grooves of the motor turbine (15), the motor turbine (15) is connected with the motor cam (14), the motor turbine (15) and the motor worm (16) are worm gear mechanisms, the motor worm (16) is fixed on the shaft of the energy storage motor (17), and the energy storage motor (17) is fixed on the inner wall of the operation shell (1) through bolts.
7. The operating mechanism of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: the spring catch (18) is a catch containing a spring, the spring catch (18) being positioned by another small spindle boss (19) fixed to the inner wall of the operating housing (1).
CN202010415848.6A 2020-05-16 2020-05-16 Operating mechanism of gas-insulated switchgear circuit breaker Active CN111508768B (en)

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CN101311846A (en) * 2007-05-25 2008-11-26 三星电子株式会社 Fused unit and imaging device possessing the fused unit and its control method
CN201886918U (en) * 2010-11-19 2011-06-29 西安英丰电气有限责任公司 Spring operating mechanism for longitudinal arrangement of high-voltage circuit breakers
CN101976616A (en) * 2010-11-24 2011-02-16 福州天一同益电气有限公司 Breaker control mechanism
CN102651285A (en) * 2011-02-25 2012-08-29 施耐德电器工业公司 Device for controlling at least one mobile contact and multipolar electronic switchgear comprising such a device
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CN104483116A (en) * 2014-12-05 2015-04-01 北京合锐赛尔电力科技股份有限公司 On-line monitoring device applied to intelligent ring main unit
CN105679591A (en) * 2016-02-29 2016-06-15 上海天灵开关厂有限公司 Switch cabinet, three-position isolation switching mechanism and mistake switching prevention grounding interlocking device of three-position isolation switching mechanism
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CN107464721A (en) * 2017-09-18 2017-12-12 浙江赋星电气科技股份有限公司 A kind of disconnecting switch with auto-lock function
CN209369893U (en) * 2018-07-27 2019-09-10 刘晓辉 A kind of double rocker arm continuously variable valve lifts
CN108741429A (en) * 2018-08-11 2018-11-06 吴锐德 A kind of bending test equipment of basketball shoes
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CN110676114A (en) * 2019-10-21 2020-01-10 深圳供电局有限公司 Be used for automatic circuit breaker of distribution network

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