CN107170626B - Three-station operating mechanism - Google Patents

Three-station operating mechanism Download PDF

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Publication number
CN107170626B
CN107170626B CN201710409848.3A CN201710409848A CN107170626B CN 107170626 B CN107170626 B CN 107170626B CN 201710409848 A CN201710409848 A CN 201710409848A CN 107170626 B CN107170626 B CN 107170626B
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CN
China
Prior art keywords
plate
operating
module
closing
shaft
Prior art date
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Active
Application number
CN201710409848.3A
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Chinese (zh)
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CN107170626A (en
Inventor
朱永威
李旭晗
李宗义
高静敏
杨利波
丰晓勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING JIEYUAN ELECTRIC CO LTD
Beijing Sojo Electric Co Ltd
Original Assignee
BEIJING JIEYUAN ELECTRIC CO LTD
Beijing Sojo Electric Co Ltd
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Application filed by BEIJING JIEYUAN ELECTRIC CO LTD, Beijing Sojo Electric Co Ltd filed Critical BEIJING JIEYUAN ELECTRIC CO LTD
Priority to CN201710409848.3A priority Critical patent/CN107170626B/en
Publication of CN107170626A publication Critical patent/CN107170626A/en
Application granted granted Critical
Publication of CN107170626B publication Critical patent/CN107170626B/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/38Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling

Abstract

The invention discloses a three-station operating mechanism, which comprises: a three-position operating mechanism comprising: mechanism front bezel 1, mechanism back plate 2, its characterized in that still includes: the device comprises an output module 8, an operating shaft module 3, a grounding side closing and opening flashboard module 4, an isolating side closing and opening flashboard module 5 and a spring module 6; the operation shaft 31 is a core component of the operation shaft module 3; the output module 8 is mounted on the operating shaft 31 and rotates around the axis of the operating shaft 31; a ground side closing and opening shutter plate 41 is mounted on the operating shaft 31 near the mechanism front plate 1; the close and open isolating side shutter 5 is mounted on the operating shaft 31 near the mechanism back plate 2 and can rotate around the axis of the operating shaft 31. The three-station operating mechanism has simple output mode, reduces the size of the switch, reduces the cost and realizes the universality of the mechanism.

Description

Three-station operating mechanism
Technical Field
The application relates to the technical field of high-voltage switch cabinets, in particular to a three-station operating mechanism.
Background
Three-position switches are commonly used in fully-enclosed combined electrical appliances or composite electrical appliances and are not a single product. The ring main unit is commonly used. The three working positions refer to three working positions: the closing position of the main fracture of the isolating switch, the isolating position of the main fracture and the grounding position of the grounding side. The three-position switch integrates the functions of the isolating switch and the grounding switch.
The three-position switch has the requirement of rapidness and accuracy in the reliability of closing and grounding, and an operating mechanism is a core component of the three-position switch. At present, the existing three-position switch spring operating mechanism in China has large volume, complex structure and fussy operation.
Therefore, how to develop a three-station operating mechanism which is simple in operation and can achieve actual functions becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a three-position switch operating mechanism, which aims to solve the technical problems of complex structure and large occupied space of the three-position switch operating mechanism in the conventional switch cabinet.
In order to solve the technical problem, the invention discloses a three-station operating mechanism, which comprises: mechanism front bezel 1, mechanism back plate 2, its characterized in that still includes: the device comprises an output module 8, an operating shaft module 3, a grounding side closing and opening flashboard module 4, an isolating side closing and opening flashboard 41 and a spring module 6; the operation shaft is a core component of the operation shaft module 3; the output module 8 is mounted on the operating shaft 31 and rotates around the axis of the operating shaft 31; a ground side closing and opening shutter plate 41 is mounted on the operating shaft 31 near the mechanism front plate 1; the close and open isolating shutter plate 51 is mounted on the operating shaft 31 near the mechanism back plate 2 and can rotate around the axis of the operating shaft 31.
Further, the modules are assembled between the mechanism front plate 1 and the mechanism rear plate 2.
Further, the output module 8 includes an output link 81, a first driving shaft 82, a first driving plate 83, a second driving shaft 84 and a second driving plate 85, the first driving shaft 82 and the second driving shaft 84 are installed between the first driving plate 83 and the second driving plate 85, and the output link 81 is installed on the first driving plate 83.
Further, the operating shaft module 3 includes an operating shaft 31, a stopper 32, a dial plate 33, and a bolt 34, the stopper 32 and the operating shaft 31 are welded together, and the dial plate 33 is assembled on the operating shaft 31 through the bolt 34 and can slide along the operating shaft 31 in the axial direction.
Further, the ground-side closing/opening shutter 41 is installed on the operation shaft near the mechanism front plate 1.
Further, the isolation side closing and opening gate plate module 5 comprises the isolation side closing and opening gate plate 51, a connecting plate 52 and a connecting lever 53, the isolation side closing and opening gate plate 51 is installed on the operating shaft 31, the isolation side closing and opening gate plate 51 is close to the mechanism back plate (2) and can rotate around the axis of the operating shaft 31, and the connecting lever 52 is connected with the connecting lever 53 and the isolation side closing and opening gate plate 51.
Further, the spring module 6 includes a spring 61 and a spring guide rod 62, and the spring guide rod 62 is respectively connected with the crank arm 53 and the isolation side closing and opening shutter plate 51.
Further, be equipped with between mechanism front bezel 1 with mechanism back plate 2 and be used for supporting mechanism front bezel 1, mechanism back plate 2 and provide the spacing first spacing post 7, the spacing post 9 of second, the spacing post 10 of third, the spacing post 11 of fourth that the mechanism switched on and switched off.
Compared with the prior art, the three-station operating mechanism disclosed by the invention achieves the following effects:
1) the three-station operating mechanism realizes that the isolation module and the grounding module share one set of operating shaft without interlocking function;
2) the output mode of the three-station operating mechanism is simple and flexible;
3) the three-station operating mechanism greatly reduces the size of the switch;
4) the three-station operating mechanism reduces the cost of the switch;
5) the three-station operating mechanism realizes the universality of the mechanism.
Of course, it is not necessary for any one product in which the invention is practiced to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a three-position operating mechanism assembly according to the present invention;
FIG. 2 is a schematic view of an operation axis module of a three-position operation mechanism according to the present invention;
FIG. 3 is an oblique view of a three-position operating mechanism assembly structure according to the present invention;
FIG. 4 shows a closing state of a three-position operating mechanism according to the present invention;
FIG. 5 shows an isolated state of a three-position operating mechanism according to the present invention;
fig. 6 shows a grounding state of the three-position operating mechanism according to the present invention.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The following description is of the preferred embodiment for carrying out the invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
In view of the problems in the prior art, the invention provides a three-position operating mechanism. The three-station operating mechanism is small in size, simple in structure and easy to operate.
Fig. 1 is a schematic view of an assembly of a three-position operating mechanism according to an embodiment of the present disclosure.
In this embodiment, the three-station operating mechanism mainly includes five parts, namely an output module 8, an operating shaft module 3, a grounding side closing and opening gate plate module 4, an isolation side closing and opening gate plate module 5 and a spring module 6, wherein the five modules are all installed between a mechanism front plate 1 and a mechanism rear plate 2, and four limiting columns, namely a first limiting column 7, a second limiting column 9, a third limiting column 10 and a fourth limiting column 11, are arranged between the mechanism front plate and the mechanism rear plate and used for supporting the mechanism front plate 1 and the mechanism rear plate 2 and limiting closing and opening of the mechanism.
Fig. 2 is a schematic view of an operation axis module of a three-position operating mechanism provided in an embodiment of the present invention.
The operating shaft module 3 comprises an operating shaft 31, a limit block 32, a shifting plate 33 and a bolt 34, wherein the limit block 32 and the operating shaft 31 are welded together, the shifting plate 33 is assembled on the operating shaft 31 through the bolt 34, the shifting plate 33 and the bolt are fixed together and can axially slide along the operating shaft 31, and the axial sliding area is an area 35 in fig. 2.
Fig. 3 is a perspective view of a three-position operating mechanism assembly according to the present application.
The output module 8 mainly comprises an output connecting rod 81, a first driving shaft 82, a first driving plate 83, a second driving shaft 84 and a second driving plate 85, wherein the first driving shaft 82 and the second driving shaft 84 are installed between the first driving plate and the second driving plate 85, and the output connecting rod 81 is installed on the first driving plate 83. Two of the drive plates are mounted on the operating shaft 31 and can rotate around the axis of the operating shaft 31.
The ground side closing and opening shutter plate module 4 of the present invention includes a ground side closing and opening shutter plate 41, and the ground side closing and opening shutter plate 41 is mounted on the operation shaft 31 and is close to the mechanism front plate 1.
The isolation side closing and opening gate plate module 5 specifically comprises an isolation side closing and opening gate plate 51, a connecting rod 52 and a connecting lever 53, wherein the isolation side closing and opening gate plate 51 is installed on an operation shaft 31 of the mechanism, the isolation side closing and opening gate plate is close to the mechanism rear plate 2 and can rotate around the axis of the operation shaft 31, and the connecting rod 52 is respectively connected with the connecting lever 53 and the isolation side closing and opening gate plate 51.
The spring module 6 comprises a spring 61 and a spring guide rod 62. The spring guide rod 62 is connected to the crank arm 53 and the ground-side closing/opening shutter 51, respectively. The spring guide rod 62 is moved by the crank arm 53 or the ground-side closing/opening shutter 41.
In the embodiment of the invention, the grounding side closing and opening gate plate 41 and the isolating side closing and opening gate plate 51 are both positioned between the second driving plate 85 and the first driving plate 83. When the two closing and opening flashboards rotate around the same axis of the operating shaft 31, the closing position of the three-position operating mechanism is close to the mechanism back plate 2, as shown in fig. 4, the isolation position of the three-position operating mechanism is located at the middle position, as shown in fig. 5, and the grounding position of the three-position operating mechanism is close to the mechanism front plate 1, as shown in fig. 6.
Compared with the prior art, the three-station operating mechanism disclosed by the invention achieves the following effects:
1) the three-station operating mechanism realizes that the isolation module and the grounding module share one set of operating shaft without interlocking function;
2) the output mode of the three-station operating mechanism is simple and flexible;
3) the three-station operating mechanism greatly reduces the size of the switch;
4) the three-station operating mechanism reduces the cost of the switch;
5) the three-station operating mechanism realizes the universality of the mechanism.
Of course, it is not necessary for any one product in which the invention is practiced to achieve all of the above-described technical effects simultaneously.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A three-position operating mechanism comprising: mechanism front bezel (1), mechanism back plate (2), its characterized in that still includes: the device comprises an output module (8), an operating shaft module (3), a grounding side closing and opening flashboard module (4), an isolating side closing and opening flashboard module (5) and a spring module (6); the operating shaft (31) is a core component of the operating shaft module (3); the output module (8) is arranged on the operating shaft (31) and rotates around the axis of the operating shaft (31); the grounding side closing and opening flashboard module (4) comprises a grounding side closing and opening flashboard (41), and the grounding side closing and opening flashboard (41) is installed on the operating shaft (31) and is close to the mechanism front plate (1); the isolation side closing and opening gate plate module (5) comprises an isolation side closing and opening gate plate (51), a connecting plate (52) and a crank arm (53), wherein the isolation side closing and opening gate plate (51) is installed on the operating shaft (31) and is close to the mechanism rear plate (2) and can rotate around the axis of the operating shaft (31); the operating shaft module (3) comprises an operating shaft (31), a limiting block (32), a shifting plate (33) and a bolt (34), the limiting block (32) and the operating shaft (31) are welded together, and the shifting plate (33) is assembled on the operating shaft (31) through the bolt (34) and can axially slide along the operating shaft (31).
2. Three-position operating mechanism according to claim 1, characterized in that each module is fitted between the mechanism front plate (1) and the mechanism rear plate (2).
3. Three-position operating mechanism according to claim 1, wherein the output module (8) comprises an output link (81), a first drive shaft (82), a first drive plate (83), a second drive shaft (84) and a second drive plate (85), the first drive shaft (82), the second drive shaft (84) being mounted between the first drive plate (83) and the second drive plate (85), the output link (81) being mounted on the first drive plate (83).
4. A three-position operating mechanism according to claim 1, wherein the connecting plate (52) is connected to the connecting lever (53) and the isolating side closing and opening shutter (51).
5. Three-position operating mechanism according to claim 1, wherein the spring module (6) comprises a spring (61), a spring guide rod (62), and the spring guide rod (62) is respectively connected with a crank arm (53) and the ground-engaging side closing and opening shutter plate (41).
6. The three-station operating mechanism according to claim 1, wherein a first limit column (7), a second limit column (9), a third limit column (10) and a fourth limit column (11) are arranged between the mechanism front plate (1) and the mechanism rear plate (2) and used for supporting the mechanism front plate (1) and the mechanism rear plate (2) and providing mechanism on-off brake limiting.
CN201710409848.3A 2017-06-02 2017-06-02 Three-station operating mechanism Active CN107170626B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710409848.3A CN107170626B (en) 2017-06-02 2017-06-02 Three-station operating mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710409848.3A CN107170626B (en) 2017-06-02 2017-06-02 Three-station operating mechanism
PCT/CN2018/089659 WO2018219354A1 (en) 2017-06-02 2018-06-01 Operating mechanism having three operating positions

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CN107170626A CN107170626A (en) 2017-09-15
CN107170626B true CN107170626B (en) 2020-05-22

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WO (1) WO2018219354A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107170626B (en) * 2017-06-02 2020-05-22 北京杰远电气有限公司 Three-station operating mechanism
CN108172445A (en) * 2017-12-28 2018-06-15 北京双杰电气股份有限公司 A kind of isolation earthing or grounding means

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103035424A (en) * 2012-12-14 2013-04-10 北海银河开关设备有限公司 Operation mechanism with three-position switch
CN103871773A (en) * 2014-03-25 2014-06-18 厦门凯能电力科技有限公司 Three-station operating mechanism
CN204464152U (en) * 2015-02-04 2015-07-08 宁波舜利高压开关科技有限公司 Dual operation axle three position mechanism at a slow speed
CN105513876A (en) * 2016-01-19 2016-04-20 扬州北辰电气设备有限公司 Single-shaft three-station isolating switch operating mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205122462U (en) * 2015-10-26 2016-03-30 许继集团有限公司 Earthing switch spring operating mechanism is kept apart to three stations
CN205609423U (en) * 2016-01-19 2016-09-28 扬州北辰电气设备有限公司 Unipolar operation three -station isolation switch operating device
CN205845739U (en) * 2016-07-18 2016-12-28 中骏电气(厦门)有限公司 A kind of three station operating mechanisms of band pooling feature
CN107170626B (en) * 2017-06-02 2020-05-22 北京杰远电气有限公司 Three-station operating mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103035424A (en) * 2012-12-14 2013-04-10 北海银河开关设备有限公司 Operation mechanism with three-position switch
CN103871773A (en) * 2014-03-25 2014-06-18 厦门凯能电力科技有限公司 Three-station operating mechanism
CN204464152U (en) * 2015-02-04 2015-07-08 宁波舜利高压开关科技有限公司 Dual operation axle three position mechanism at a slow speed
CN105513876A (en) * 2016-01-19 2016-04-20 扬州北辰电气设备有限公司 Single-shaft three-station isolating switch operating mechanism

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CN107170626A (en) 2017-09-15
WO2018219354A1 (en) 2018-12-06

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