CN103066499A - Universal ground wire movable contact for 10KV switch cabinet bus - Google Patents

Universal ground wire movable contact for 10KV switch cabinet bus Download PDF

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Publication number
CN103066499A
CN103066499A CN2013100305768A CN201310030576A CN103066499A CN 103066499 A CN103066499 A CN 103066499A CN 2013100305768 A CN2013100305768 A CN 2013100305768A CN 201310030576 A CN201310030576 A CN 201310030576A CN 103066499 A CN103066499 A CN 103066499A
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CN
China
Prior art keywords
connecting ring
connector
earth connection
switch cabinet
control device
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
Application number
CN2013100305768A
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Chinese (zh)
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CN103066499B (en
Inventor
袁佳
王嘉平
汪敏华
顾明星
仲晓华
温建中
周斌
赵俊
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.)
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN201310030576.8A priority Critical patent/CN103066499B/en
Publication of CN103066499A publication Critical patent/CN103066499A/en
Application granted granted Critical
Publication of CN103066499B publication Critical patent/CN103066499B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a universal ground wire movable contact for a 10KV switch cabinet bus. The universal ground wire movable contact is used for plugging a ground wire and a bus, comprises a spring pawl matched with a static contact in a switch cabinet, and a transmission sleeve connected with the spring pawl, and also comprises a movement controller which is sleeved on an inner connecting body, wherein the spring pawl and the transmission sleeve are connected to form the inner connecting body; the movement controller is cylindrical and is clamped between two ends of the inner connecting body; and the ground wire is connected to a side wall of the movement controller. The process of opening a rear sealing plate and a screw in the bus maintenance process can be effectively avoided, the bus is directly grounded, the operating timeliness and the safety of the maintenance personnel are guaranteed, and due to the movement controller sleeved on the connecting body, the phenomenon that the spring pawl is excessively expanded in the repeated using process and is damaged is effectively avoided, so that the service life of the movable contact is prolonged, and the stable and smooth circuit is guaranteed.

Description

A kind of universal earth connection moving contact for the 10KV switch cabinet bus
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Technical field
The present invention relates to a kind of universal earth connection moving contact for the 10KV switch cabinet bus.
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Background technology
The operation task of the client being stopped sending electricity is being born in the power transformation operation post, send the promptness of electricity to require quite strict to stopping.And in the middle of the regular job task, bus interruption maintenance task is the heaviest, especially installs the busbar grounding line, need to open door and dismounting shrouding screw behind the switch cubicle, wastes time and energy.And the use by 10kV switch cabinet bus grounding line contact, the process that can avoid opening rear shrouding and screw directly realizes busbar grounding, further guarantees the promptness of operation.It comprises latch handle, the spring leaf that is connected with the latch handle existing earth connection contact (such as the disclosed earth connection contact of ZL201220223414.8), because its spring leaf is thinner and its earth connection link is connected on the spring leaf, after repeatedly plugging, understand and shine into certain damage to spring leaf, bring and lack, connect the shortcomings such as unstable useful life.
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Summary of the invention
The purpose of this invention is to provide a kind of universal earth connection moving contact for the 10KV switch cabinet bus.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of universal earth connection moving contact for the 10KV switch cabinet bus, it is used for earth connection and bus are plugged, it comprises the spring detent that matches with fixed contact in the switch cubicle, the drive socket that is connected with described spring detent, described spring detent and drive socket are connected to become interior connector, it also comprises the activity control device that is set on the described interior connector, described activity control device is cylindric and is fastened between the both ends of interior connector, and described earth connection is connected on the sidewall of described activity control device.
Optimize, offer screwed hole on the sidewall of described activity control device, described earth connection is fixedly connected by screw and described screwed hole.
Optimize, described spring detent comprise claw, with the coaxial connector that is connected of described claw, described claw comprises that columniform base, at least two are fixed on one of them end face of described base and the contact that parallels with base axis, another end face same axis of described connector and base and being fixedly connected with.
Further, described contact upper end is connected with base, and its thickness is increased gradually by middle part to lower end.
Optimize, described drive socket comprises the first connecting ring, the bottom and coaxial the second connecting ring that is connected of described the first connecting ring that is connected with described connector, described the first connecting ring is connected with described connector is coaxial, the inwall of described the first connecting ring is provided with screw thread, it is threaded mutually with described connector, offers the large young slot that is T-shape of tripe on the sidewall on the top of described the second connecting ring.
Further, the external diameter of described the first connecting ring is greater than the external diameter of described the second connecting ring internal diameter less than described activity control device, offer cannelure on the inwall of described activity control device near an end of described the second connecting ring, be arranged with in the described cannelure and make the activity control device be fastened on jump ring on the described connector, described jump ring is fastened on described the second connecting ring.
Further, the inwall of described the first connecting ring is provided with screw thread, and described connector is double-screw bolt, and described the first connecting ring is threaded mutually with described connector.
Beneficial effect of the present invention is: the process of shrouding and screw directly realized busbar grounding after the present invention can effectively avoid opening in the service work to bus, guarantee the promptness of operation and maintainer's safety, being set in activity control device on the connector, to prevent that effectively spring detent from being expanded in Reusability excessive and impaired, thereby improved the useful life of moving contact, guaranteed that stablizing of circuit is unimpeded.
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Description of drawings
Accompanying drawing 1 is the structural representation of moving contact of the present invention when being connected with hook stick;
Accompanying drawing 2 is the three-dimensional view of spring detent of the present invention;
Accompanying drawing 3 is the three-dimensional view of activity control device of the present invention;
Accompanying drawing 4 is the front view of jump ring of the present invention;
Accompanying drawing 5 is the three-dimensional view of drive socket of the present invention;
Accompanying drawing 6 is the three-dimensional view of hook stick of the present invention;
In the accompanying drawing: 1, spring detent; 2, drive socket; 3, activity control device; 5, earth connection; 6, hook stick; 11, claw; 12, connector; 21, the first connecting ring; 22, the second connecting ring; 31, cannelure; 32, jump ring; 61, barred body; 62, retainer ring; 63, stud pin; 111, base; 112, contact; 221, slot.
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Embodiment
Below in conjunction with embodiment shown in the drawings the present invention is made following detailed description:
This ground wire moving contact is used for earth connection 5 and bus are plugged.As shown in Figure 1, it comprise with switch cubicle in the spring detent 1, the drive socket 2 that is connected with described spring detent 1 that match of fixed contact, be set in the activity control device 3 on the described interior connector.Described spring detent 1 is connected with drive socket 2 and forms interior connector, and described activity control device 3 is cylindric and is fastened between the both ends of interior connector, and described earth connection 5 is connected on the sidewall of described activity control device 3.
As shown in Figure 1, described spring detent 1 comprise claw 11, with the described claw 11 coaxial connectors that are connected 12, described claw 11 comprises that columniform base 111, eight are fixed in the contact 112 on one of them end face of described base 111, the length direction of each contact 112 parallels with base 111 axis and eight contact 112 circular array are distributed on the end face of base 111, and described connector 12 is for double-screw bolt and with another end face same axis of base 111 and be fixedly connected with.Connector 12 and claw 11 one machine-shapings, each contact 112 is connected with base 111 to hold and is the upper end, and the other end is the lower end, and the thickness at its upper end to middle part is 5mm, the thickness of its middle part to lower end increases to 13mm gradually by 5mm, and the external diameter maximum of its lower end is 76mm.Because connector 12 and claw 11 one machine-shapings, and contact 112 thinnest parts have 5mm, thereby have greatly improved the useful life that the intensity of spring detent 1 has improved moving contact.
As shown in Figure 5, described drive socket 2 comprises the first connecting ring 21, the bottom and described the first connecting ring 21 coaxial the second connecting rings 22 that are connected that is connected with described connector 12, the inwall of described the first connecting ring 21 is provided with screw thread, it is threaded mutually with described connector 12, offers the large young slot that is T-shape 221 of tripe on the sidewall on the top of described the second connecting ring 22.The external diameter of described the first connecting ring 21 is 60~64mm, and the external diameter of described the second connecting ring 22 is 36~40mm, and both get respectively 62mm and 38mm in the present embodiment.
As shown in Figure 3, the internal diameter of described activity control device 3 is 50mm, external diameter is 60mm, offer cannelure 31 on its inwall near an end of described the second connecting ring 22, described cannelure 31 dark 1mm make activity control device 3 be fastened on jump ring 32 on the described connector thereby be arranged with in it be used to blocking described the second connecting ring.Offer screwed hole on the sidewall of described cannelure 31, described earth connection 5 is fixedly connected by screw and described screwed hole.
During the maintenance bus, need to utilize hook stick dismounting moving contact, as shown in Figure 6, described hook stick 6 comprises barred body 61, fixed cover is located at the retainer ring 62 on the barred body 61, the stud pin 63 that is located on the sidewall of retainer ring 62 and is threaded mutually with retainer ring 62, this stud pin 63 has one section to give prominence to outside the sidewall of retainer ring 62, its diameter is less than the bore of the notch of slot 221, the external diameter of retainer ring 62 is slightly less than the internal diameter of the second connecting ring 22, during use with the notch of stud pin 63 alignment 221, retainer ring 62 is put in the second connecting ring 22 rear rotary manipulation rods, stud pin 63 just is fastened in the slot 221, just can drive moving contact work.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (7)

1. universal earth connection moving contact that is used for the 10KV switch cabinet bus, it is used for earth connection (5) and bus are plugged, it comprises the spring detent (1) that matches with fixed contact in the switch cubicle, the drive socket (2) that is connected with described spring detent (1), described spring detent (1) and drive socket (2) are connected to become interior connector, it is characterized in that: it also comprises the activity control device (3) that is set on the described interior connector, described activity control device (3) is cylindric and is fastened between the both ends of interior connector, and described earth connection (5) is connected on the sidewall of described activity control device (3).
2. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 1, it is characterized in that: offer screwed hole on the sidewall of described activity control device (3), described earth connection (5) is fixedly connected by screw and described screwed hole.
3. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 1, it is characterized in that: described spring detent (1) comprise claw (11), with the coaxial connector that is connected of described claw (11) (12), described claw (11) comprises that columniform base (111), at least two are fixed on one of them end face of described base (111) and the contact (112) that parallels with the axis of base (111), and described connector (12) is coaxial with another end face of base (111) and be fixedly connected with.
4. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 3 is characterized in that: described contact (112) upper end is connected with base (111), and its thickness is increased gradually by middle part to lower end.
5. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 1, it is characterized in that: described drive socket (2) comprises the first connecting ring (21), the bottom and coaxial the second connecting ring (22) that is connected of described the first connecting ring (21) that is connected with described connector (12), described the first connecting ring (21) and coaxial connection of described connector (12) offer the large young slot that is T-shape (221) of tripe on the sidewall on the top of described the second connecting ring (22).
6. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 5, it is characterized in that: the external diameter of described the first connecting ring (21) is greater than the external diameter of described the second connecting ring (22) internal diameter less than described activity control device (3), offer cannelure (31) on the inwall of described activity control device (3) near an end of described the second connecting ring (22), be arranged with in the described cannelure (31) and make activity control device (3) be fastened on jump ring (32) on the described connector, described jump ring (32) is fastened on described the second connecting ring (22).
7. the universal earth connection moving contact for the 10KV switch cabinet bus according to claim 5, it is characterized in that: the inwall of described the first connecting ring (21) is provided with screw thread, described connector (12) is double-screw bolt, and described the first connecting ring (21) is threaded mutually with described connector (12).
CN201310030576.8A 2013-01-28 2013-01-28 Universal ground wire movable contact for 10KV switch cabinet bus Active CN103066499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310030576.8A CN103066499B (en) 2013-01-28 2013-01-28 Universal ground wire movable contact for 10KV switch cabinet bus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310030576.8A CN103066499B (en) 2013-01-28 2013-01-28 Universal ground wire movable contact for 10KV switch cabinet bus

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CN103066499A true CN103066499A (en) 2013-04-24
CN103066499B CN103066499B (en) 2015-04-08

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945805B1 (en) * 2004-11-02 2005-09-20 Lester Bollinger Self-locking rotatable electrical coupling
CN201674132U (en) * 2010-06-12 2010-12-15 颜景纯 Switch cubicle baffle plate opening device and special bus short circuit ground wire moving contact
CN201699161U (en) * 2010-05-25 2011-01-05 安徽龙波电气有限公司 Contact-type ground bar
CN203180328U (en) * 2013-01-28 2013-09-04 国家电网公司 Universal ground wire movable contact for 10 kV switch cabinet bus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945805B1 (en) * 2004-11-02 2005-09-20 Lester Bollinger Self-locking rotatable electrical coupling
CN201699161U (en) * 2010-05-25 2011-01-05 安徽龙波电气有限公司 Contact-type ground bar
CN201674132U (en) * 2010-06-12 2010-12-15 颜景纯 Switch cubicle baffle plate opening device and special bus short circuit ground wire moving contact
CN203180328U (en) * 2013-01-28 2013-09-04 国家电网公司 Universal ground wire movable contact for 10 kV switch cabinet bus

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C06 Publication
PB01 Publication
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Tu Min

Inventor after: Yuan Jia

Inventor after: Wang Jiaping

Inventor after: Wang Minhua

Inventor after: Gu Mingxing

Inventor after: Zhong Xiaohua

Inventor after: Wen Jianzhong

Inventor after: Zhou Bin

Inventor after: Zhao Jun

Inventor before: Yuan Jia

Inventor before: Wang Jiaping

Inventor before: Wang Minhua

Inventor before: Gu Mingxing

Inventor before: Zhong Xiaohua

Inventor before: Wen Jianzhong

Inventor before: Zhou Bin

Inventor before: Zhao Jun

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: YUAN JIA WANG JIAPING WANG MINHUA GU MINGXING ZHONG XIAOHUA WEN JIANZHONG ZHOU BIN ZHAO JUN TO: TU MIN YUAN JIA WANG JIAPING WANG MINHUA GU MINGXING ZHONG XIAOHUA WEN JIANZHONG ZHOU BIN ZHAO JUN

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