CN202340094U - Pluggable prefabricated cable terminal grounding device - Google Patents

Pluggable prefabricated cable terminal grounding device Download PDF

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Publication number
CN202340094U
CN202340094U CN 201120514216 CN201120514216U CN202340094U CN 202340094 U CN202340094 U CN 202340094U CN 201120514216 CN201120514216 CN 201120514216 CN 201120514216 U CN201120514216 U CN 201120514216U CN 202340094 U CN202340094 U CN 202340094U
Authority
CN
China
Prior art keywords
cable
bolt
grounding
terminal
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN 201120514216
Other languages
Chinese (zh)
Inventor
李枫
崔山林
田勇
刘扬
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.)
Jinzhou Power Supply Company of Liaoning Electric Power Co., Ltd.
State Grid Corp of China SGCC
Original Assignee
Jinzhou Power Supply Co Of Liaoning Electric Power Co Ltd
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 Jinzhou Power Supply Co Of Liaoning Electric Power Co Ltd filed Critical Jinzhou Power Supply Co Of Liaoning Electric Power Co Ltd
Priority to CN 201120514216 priority Critical patent/CN202340094U/en
Application granted granted Critical
Publication of CN202340094U publication Critical patent/CN202340094U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pluggable prefabricated cable terminal grounding device, comprising a cable branch box wiring terminal and a cable terminal T-type head, wherein one end of the horizontal section of the cable terminal T-type head is plugged with the cable branch box wiring terminal. The pluggable prefabricated cable terminal grounding device is characterized in that a connecting bolt is arranged in the cable terminal T-type head; the wiring terminal of a cable is inserted into the lower port of the cable terminal T-type head and is sleeved on the connecting bolt; one end of the connecting bolt is in threaded connection with the cable branch box wiring terminal; the other end of the horizontal section of the cable terminal T-type head is provided with an insulating plugging head in a plugging manner; a copper sleeve is prearranged in the insulating plugging head; a grounding wire is externally provided with the insulating plugging head through the copper sleeve in a connecting manner; the insulating plugging head is plugged with the other end of the connecting bolt through the copper sleeve; and a grounding drill rod is provided with the lower end of the grounding wire in a connecting manner. The pluggable prefabricated cable terminal grounding device has the advantages of simple structure, convenience for use, and capabilities of simplifying grounding manners of power distribution cable lines in the maintenance operation process, reducing power failure range and operation range, providing convenience for line maintenance and repair, and improving line power distribution reliability.

Description

Plug-in pre-fabricated electric cables terminals earthing device
Technical field
The utility model relates to a kind of earthing device, particularly a kind of plug-in pre-fabricated electric cables terminals earthing device.
Background technology
At present, the cable termination that in cable line, is positioned at feeder pillar, ring main unit adopts T type presetting system cable connect-disconnect plug more, characteristics totally-enclosed, all insulation that this cable terminal has.When upkeep operation, because of all insulation state of cable and cable terminal, cause that cable line is implemented the ground connection difficulty is bigger, often enlarge job area because of implementing effective grounding, make troubles to service work.
Summary of the invention
The technical problem that the utility model will solve provides a kind of simple in structure; Easy to use; Earthing mode in the time of can simplifying the operation of distribution cable line maintenance; Reduce power failure scope and job area, be convenient to the line upkeep maintenance, improve the plug-in pre-fabricated electric cables terminals earthing device of line powering reliability.
The utility model is achieved in that it comprises cable branch box binding post and the cable termination T connector that is used for stube cable; Horizontal segment one end of cable termination T connector and cable branch box binding post are pegged graft; Its special character is: in the horizontal segment of cable termination T connector, be provided with connecting bolt; The binding post of cable inserts in the cable termination T connector by the lower port of cable termination T connector and is sleeved on the connecting bolt; Connecting bolt one end and cable branch box binding post be through being threaded, and is plugged with the insulator seal plug at the horizontal segment other end of cable termination T connector, is preset with copper sheathing in the insulator seal plug and is circumscribed with earth connection through copper sheathing; The insulator seal plug is pegged graft through the copper sheathing and the connecting bolt other end, is connected with the ground connection pricker in the lower end of earth connection.
Above-mentioned plug-in pre-fabricated electric cables terminals earthing device is provided with the draw-in groove and the Ka Ya that cooperatively interact between copper sheathing and connecting bolt.
The utility model has the advantages that: simple in structure, easy to use, the earthing mode in the time of can simplifying the operation of distribution cable line maintenance reduces power failure scope and job area, is convenient to the line upkeep maintenance, improves the line powering reliability.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
Among the figure: cable branch box binding post 1, cable termination T connector 2, binding post 3, connecting bolt 4, card tooth 401, insulator seal plug 5, copper sheathing 6, draw-in groove 601, earth connection 7, ground connection pricker 8, cable 9.
Embodiment
As shown in the figure; This plug-in pre-fabricated electric cables terminals earthing device comprises the cable branch box binding post 1 that is fixed in the cable branch box; On cable branch box binding post 1, be provided with the cable termination T connector of processing by silicon rubber 2; Horizontal segment one end of cable termination T connector 2 and cable branch box binding post 1 are pegged graft; In the horizontal segment of cable termination T connector 2, be provided with connecting bolt 4; The binding post 3 of cable 9 inserts in the cable termination T connector 2 by the lower port of cable termination T connector 2 and is sleeved on the connecting bolt 4, an end of connecting bolt 4 be provided with screw thread and with cable branch box binding post 1 through being threaded, be plugged with insulator seal plug 5 at the horizontal segment other end of cable termination T connector 2; Be preset with copper sheathing 6 in the insulator seal plug 5 and be circumscribed with earth connection 7 through copper sheathing 6; Insulator seal plug 5 is pegged graft through the copper sheathing 6 and the other end of connecting bolt 4, between copper sheathing 6 and connecting bolt 4, is provided with the draw-in groove 601 and Ka Ya 401 that cooperatively interact, is connected with ground connection pricker 8 in the lower end of earth connection 7 through bolt.
During work, cable 9 is through connecting bolt 4, copper sheathing 6, earth connection 7 and ground connection pricker 8 just can be grounded successively.

Claims (2)

1. plug-in pre-fabricated electric cables terminals earthing device; Comprise cable branch box binding post and the cable termination T connector that is used for stube cable; Horizontal segment one end of cable termination T connector and cable branch box binding post are pegged graft; It is characterized in that: in the horizontal segment of cable termination T connector, be provided with connecting bolt, the binding post of cable inserts in the cable termination T connector by the lower port of cable termination T connector and is sleeved on the connecting bolt, and connecting bolt one end and cable branch box binding post are through being threaded; The horizontal segment other end at the cable termination T connector is plugged with the insulator seal plug; Be preset with copper sheathing in the insulator seal plug and be circumscribed with earth connection through copper sheathing, the insulator seal plug is pegged graft through the copper sheathing and the connecting bolt other end, is connected with the ground connection pricker in the lower end of earth connection.
2. plug-in pre-fabricated electric cables terminals earthing device according to claim 1 is characterized in that: between copper sheathing and connecting bolt, be provided with the draw-in groove and the Ka Ya that cooperatively interact.
CN 201120514216 2011-12-12 2011-12-12 Pluggable prefabricated cable terminal grounding device Active CN202340094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120514216 CN202340094U (en) 2011-12-12 2011-12-12 Pluggable prefabricated cable terminal grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120514216 CN202340094U (en) 2011-12-12 2011-12-12 Pluggable prefabricated cable terminal grounding device

Publications (1)

Publication Number Publication Date
CN202340094U true CN202340094U (en) 2012-07-18

Family

ID=46488781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120514216 Active CN202340094U (en) 2011-12-12 2011-12-12 Pluggable prefabricated cable terminal grounding device

Country Status (1)

Country Link
CN (1) CN202340094U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104901228A (en) * 2015-05-22 2015-09-09 国家电网公司 Cable terminal grounding device
CN105305331A (en) * 2015-11-23 2016-02-03 国网宁夏电力公司吴忠供电公司 Grounding device for T-shaped cable head
CN105428841A (en) * 2015-12-31 2016-03-23 国网浙江奉化市供电公司 Cable grounding device
CN105449566A (en) * 2015-12-31 2016-03-30 国网浙江奉化市供电公司 Grounding device
CN105470875A (en) * 2015-12-31 2016-04-06 国网浙江奉化市供电公司 10kV inserting type grounding device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104901228A (en) * 2015-05-22 2015-09-09 国家电网公司 Cable terminal grounding device
CN105305331A (en) * 2015-11-23 2016-02-03 国网宁夏电力公司吴忠供电公司 Grounding device for T-shaped cable head
CN105428841A (en) * 2015-12-31 2016-03-23 国网浙江奉化市供电公司 Cable grounding device
CN105449566A (en) * 2015-12-31 2016-03-30 国网浙江奉化市供电公司 Grounding device
CN105470875A (en) * 2015-12-31 2016-04-06 国网浙江奉化市供电公司 10kV inserting type grounding device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20121009

Address after: 121000 Guta District, Liaoning, Jiefang Road No. three, No. 9, No.

Patentee after: Jinzhou Power Supply Company of Liaoning Electric Power Co., Ltd.

Patentee after: State Grid Corporation of China

Address before: 121000 Guta District, Liaoning, Jiefang Road No. three, No. 9, No.

Patentee before: Jinzhou Power Supply Company of Liaoning Electric Power Co., Ltd.

ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP.

Effective date: 20121009

C41 Transfer of patent application or patent right or utility model