CN112134243B - Grounding protection lock - Google Patents

Grounding protection lock Download PDF

Info

Publication number
CN112134243B
CN112134243B CN202011056394.4A CN202011056394A CN112134243B CN 112134243 B CN112134243 B CN 112134243B CN 202011056394 A CN202011056394 A CN 202011056394A CN 112134243 B CN112134243 B CN 112134243B
Authority
CN
China
Prior art keywords
rod
bolt
plate
fixedly connected
ground
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
CN202011056394.4A
Other languages
Chinese (zh)
Other versions
CN112134243A (en
Inventor
徐望圣
孟祥龙
陈飞
王郑
卢世才
颜艳
朱锦涛
潘长安
鲁加明
张利娜
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.)
Guiyang Bureau Extra High Voltage Power Transmission Co
Original Assignee
Guiyang Bureau Extra High Voltage Power Transmission 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 Guiyang Bureau Extra High Voltage Power Transmission Co filed Critical Guiyang Bureau Extra High Voltage Power Transmission Co
Priority to CN202011056394.4A priority Critical patent/CN112134243B/en
Publication of CN112134243A publication Critical patent/CN112134243A/en
Application granted granted Critical
Publication of CN112134243B publication Critical patent/CN112134243B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/22Arrangements of earthing wires suspended between mastheads

Landscapes

  • Elimination Of Static Electricity (AREA)

Abstract

The invention discloses a grounding protection lock, which comprises a fixed frame and a second fixed block, wherein the fixed frame is fixedly provided with the second fixed plate through a fourth bolt, one side of the fixed frame is fixedly connected with a supporting plate, a steel wire rope is fixedly connected on the supporting plate through a closed pin, the bottom of the fixed frame is fixedly provided with an electric push rod through a binding band and a first bolt, the invention designs that a graphite block is directly connected with the locking ring at the joint of the ground rod and the locking ring, the effect of releasing induced electricity of the ground rod and the locking ring can be increased, and simultaneously when induced electricity is ablated, because the graphite material can not be burnt and stuck by the induction electricity, the burning and sticking of the grounding rod and the locking ring can be avoided to a certain extent, the signal rod is wound with the insulating tape, and the insulating tape can insulate the signal rod from the locking ring, so that the signal switch is prevented from being damaged due to the influence of induction electricity, and the integral operation reliability of the device is greatly improved.

Description

Grounding protection lock
Technical Field
The invention belongs to the technical field of automatic wiring of ground wire ice melting, and particularly relates to a grounding protection lock.
Background
In addition, because the overhead ground wire on the iron tower does not resist partial freezing through heat energy generated by the transmission wire through load current, the ice coating thickness of the overhead ground wire generally far exceeds that of the transmission wire.
However, in the prior art, one end of the opening and closing conductive device is connected with the ground wire, the other end of the opening and closing conductive device is provided with the locking ring, the locking ring is in contact with the rotating rod of the protection lock, the iron tower is directly connected with the protection facility, induced current in the ground wire can be transmitted to the rotating rod along with the opening and closing conductive device and then is grounded, but the connection part of the opening and closing conductive device and the rotating rod is in steel-steel contact and is not tight enough, so that the signal switch is easily damaged or the connection part is ablated, and the normal operation of the device is influenced.
Disclosure of Invention
The invention aims to provide a grounding protection lock, wherein a graphite block is designed to be directly connected with a locking ring at the joint of a grounding rod and the locking ring, so that the effect of releasing induced electricity of the grounding rod and the locking ring can be enhanced, and simultaneously when induced electricity is ablated, because the graphite material can not be burnt and stuck by the induction electricity, the burning and sticking of the grounding rod and the locking ring can be avoided to a certain extent, the signal rod is wound with the insulating tape which can insulate the signal rod from the locking ring, thereby preventing the signal switch from being damaged by the influence of induction electricity, greatly improving the integral operation reliability of the device, in order to solve the problems that the joint of the opening and closing conductive device and the rotating rod in the prior art is in steel-steel contact, and the contact is not tight enough, so that the discharge is easy to occur at the poor contact position, thereby causing the signal switch damage or the ablation of the connection position and influencing the normal operation of the device.
In order to achieve the purpose, the invention adopts the following technical scheme: a grounding protection lock comprises a fixing frame and a second fixing block, wherein a second fixing plate is fixedly arranged on the fixing frame through a fourth bolt, a supporting plate is fixedly connected to one side of the fixing frame, a steel wire rope is fixedly connected to the supporting plate through a closed pin, an electric push rod is fixedly arranged at the bottom of the fixing frame through a binding belt and the first bolt, an opening and closing conductive device is fixedly connected to one side of the supporting plate, a signal switch is arranged on the opening and closing conductive device, a third connecting plate is fixedly connected to one side of the fixing frame, a signal rod is rotatably arranged on the third connecting plate, an insulating adhesive tape is glued on the signal rod, one end of the signal rod is positioned on the signal switch, the other end of the signal rod is positioned in the fixing frame, one end of the opening and closing conductive device is electrically connected with a grounding wire, and one end of the grounding wire is electrically connected with a grounding rod, the one end fixedly connected with link plate of earthing rod, the one end fixedly connected with graphite block of link plate, fixedly connected with closed ring on the graphite block, two sets of second connecting plates of fixedly connected with on the earthing rod, it is two sets of be provided with the round pin axle between the second connecting plate, sell epaxial first connecting plate that is provided with, first connecting plate fixed connection is on the link plate, there are rubber pad and protection shield through third bolt fixed mounting on the second fixed block, the lower extreme of second fixed block has first fixed block through circular arc snap ring joint, the lower extreme of first fixed block is provided with closed ring, closed ring connects in one side of graphite block.
Preferably, the fourth bolt is provided with three groups at least, and one end of the fourth bolt penetrates through the second fixing plate and the fixing frame and is in threaded connection with a nut.
Preferably, a through hole is formed in the fourth bolt, and a bolt is inserted into the through hole in a sliding mode.
Preferably, the band is located electric putter's surface, just the band is provided with three groups at least, the one end of first bolt runs through band and mount threaded connection has the nut.
Preferably, the lower end of the fixing frame is sequentially fixedly provided with a cover plate and a first fixing plate through a second bolt.
Preferably, one end of the third bolt penetrates through the protection plate and the rubber pad in sequence and is connected to the inside of the second fixing block in a threaded mode.
Preferably, the graphite block is located on one side of the first fixing block, and one end of the arc clamping ring is located inside the graphite block.
Preferably, the electric push rod is electrically connected with the signal switch through a lead.
The invention has the technical effects and advantages that: compared with the prior art, the grounding protection lock provided by the invention has the following advantages:
1. the graphite block is arranged at the joint of the grounding rod and the locking ring and is directly connected with the locking ring, so that the effect of releasing induction electricity of the grounding rod and the locking ring can be improved, and meanwhile, when the induction electricity is ablated, the graphite material cannot be burnt by the induction electricity, so that the burning adhesion of the grounding rod and the locking ring can be avoided to a certain extent;
2. according to the invention, the signal rod is wound with the insulating tape, and the insulating tape can insulate the signal rod from the locking ring, so that the signal switch is prevented from being damaged due to the influence of induction electricity, and the integral operation reliability of the device is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a first fixing block, a second fixing block and a locking ring according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of a fourth bolt, nut, through hole and plug according to the present invention;
FIG. 5 is an enlarged view of the portion A in FIG. 1 according to the present invention.
In the figure: 1. a support plate; 2. a wire rope; 3. a closed pin; 4. a first fixing plate; 5. a cover plate; 6. a belt; 7. a first bolt; 8. a second bolt; 9. an electric push rod; 10. opening and closing the conductive device; 11. a ground line; 12. a third bolt; 13. a first connecting plate; 14. graphite blocks; 15. hanging the plate; 16. a second connecting plate; 17. a signal lever; 18. a ground rod; 19. a pin shaft; 20. an insulating tape; 21. a fixed mount; 22. a third connecting plate; 23. a second fixing plate; 24. a fourth bolt; 25. a signal switch; 26. a locking ring; 27. a first fixed block; 28. a circular arc snap ring; 29. a second fixed block; 30. a rubber pad; 31. a protection plate; 32. a nut; 33. a through hole; 34. and (4) a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a grounding protection lock as shown in fig. 1-5, which comprises a fixed frame 21 and a second fixed block 29, wherein the fixed frame 21 is fixedly provided with a second fixed plate 23 through a fourth bolt 24, at least three groups of fourth bolts 24 are arranged to facilitate the fixation of the second fixed plate 23, one end of the fourth bolt 24 penetrates through the second fixed plate 23 and the fixed frame 21 and is in threaded connection with a nut 32, the fourth bolt 24 is provided with a through hole 33, and a bolt 34 is inserted in the through hole 33 in a sliding manner to prevent the fourth bolt 24 from loosening and sliding off in a long-time working process;
one side of the fixing frame 21 is fixedly connected with a supporting plate 1, the supporting plate 1 is fixedly connected with a steel wire rope 2 through a closed pin 3, the bottom of the fixing frame 21 is fixedly provided with an electric push rod 9 through a belt 6 and a first bolt 7, the belt 6 is attached to the surface of the electric push rod 9, at least three groups of belts 6 are arranged on the belt 6, one end of the belt 6 is positioned on the fixing frame 21, one end of the first bolt 7 penetrates through the belt 6 and the fixing frame 21 and is in threaded connection with a nut 32, so that the electric push rod 9 is more firmly fixed at the bottom of the fixing frame 21, the lower end of the fixing frame 21 is sequentially and fixedly provided with a cover plate 5 and a first fixing plate 4 through a second bolt 8 to protect the electric push rod 9, the lower end of the fixing frame 21 is provided with a threaded blind hole, and one end of the second bolt 8 respectively penetrates through the cover plate 5 and the first fixing plate 4 and is in threaded connection with the threaded blind hole;
one side of the supporting plate 1 is fixedly connected with an opening and closing conductive device 10, the electric push rod 9 is electrically connected with the signal switch 25 through a wire, the opening and closing conductive device 10 drives the electric push rod 9 to work, the signal switch 25 is arranged on the opening and closing conductive device 10, one side of the fixing frame 21 is fixedly connected with a third connecting plate 22, a signal rod 17 is rotatably arranged on the third connecting plate 22, one end of the signal rod 17 is convenient to abut against the signal switch 25, an insulating adhesive tape 20 is glued on the signal rod 17 to prevent current from flowing into the signal rod 17 and protect the signal rod 17 and the signal switch, one end of the signal rod 17 is positioned on the signal switch 25, and the other end of the signal rod 17 is positioned in the fixing frame 21;
one end of the opening and closing electric conductor 10 is electrically connected with a grounding wire 11, one end of the grounding wire 11 is electrically connected with a grounding rod 18, one end of the grounding rod 18 is fixedly connected with a hanging plate 15, one end of the hanging plate 15 is fixedly connected with a graphite block 14, a locking ring 26 is fixedly connected on the graphite block 14, the arrangement of the graphite block 14 can ensure that the grounding rod 18 cannot be burnt and adhered with the locking ring 26 in the through-current process of induced electricity and when the induced electricity is released, the service life of the device is prolonged, two groups of second connecting plates 16 are fixedly connected on the grounding rod 18, a pin shaft 19 is arranged between the two groups of second connecting plates 16, two groups of first connecting plates 13 are arranged on the pin shaft 19, and the first connecting plates 13 are fixedly connected on the hanging plate 15;
a rubber pad 30 and a protective plate 31 are fixedly mounted on the second fixed block 29 through a third bolt 12, the second fixed block 29 is protected to a certain extent, one end of the third bolt 12 penetrates through the protective plate 31 and the rubber pad 30 in sequence and is connected to the inside of the second fixed block 29 in a threaded manner, the lower end of the second fixed block 29 is connected with a first fixed block 27 in a clamping manner through an arc clamping ring 28, the arc clamping ring 28 is a J-shaped arc clamping ring, a locking ring 26 is arranged at the lower end of the first fixed block 27, the locking ring 26 is connected to one side of the graphite block 14, the graphite block 14 is positioned at one side of the first fixed block 27, and one end of the arc clamping ring 28 is positioned inside the graphite block 14;
the working principle is as follows: when the device is used, after the ice melting of the line is finished, the ground wire ice melting wiring device needs to restore the state of normal operation of the line, the opening and closing conductive device 10 needs to be opened, the opening and closing conductive device 10 drives the locking ring 26 to move upwards through the grounding rod 18, the hanging plate 15 and the graphite block 14, when the locking ring 26 props against the signal rod 17 upwards, the signal rod 17 is caused to rotate, when one end of the signal rod 17 is close to the signal switch 25, the signal switch 25 plays a role to stop the movement of the opening and closing conductive device 10, then the signal switch 25 drives the piston rod of the electric push rod 9 to extend out, one end of the piston rod of the electric push rod 9 penetrates through the locking ring 26 to lock and protect the opening and closing conductive device 10, at the moment, the graphite block 14 in the grounding rod 18 is directly contacted with the locking ring 26 and is used for releasing the induced electricity, the insulating adhesive tape 20 is wound on the signal rod 17 to prevent the induced electricity from flowing to the signal rod 17, further, the induced current is prevented from flowing to the signal switch 25, and the purpose of protecting the signal switch 25 is achieved.
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. The utility model provides a ground connection protection lock, includes mount (21) and second fixed block (29), its characterized in that: a second fixing plate (23) is fixedly mounted on the fixing frame (21) through a fourth bolt (24), a supporting plate (1) is fixedly connected to one side of the fixing frame (21), a steel wire rope (2) is fixedly connected to the supporting plate (1) through a closing pin (3), an electric push rod (9) is fixedly mounted at the bottom of the fixing frame (21) through a belt (6) and a first bolt (7), an opening and closing conductive device (10) is fixedly connected to one side of the supporting plate (1), a signal switch (25) is arranged on the opening and closing conductive device (10), a third connecting plate (22) is fixedly connected to one side of the fixing frame (21), a signal rod (17) is rotatably mounted on the third connecting plate (22), an insulating adhesive tape (20) is glued on the signal rod (17), and one end of the signal rod (17) is located on the signal switch (25), the other end of the signal rod (17) is positioned in a fixing frame (21), one end of the opening and closing electric conductor (10) is electrically connected with a grounding wire (11), one end of the grounding wire (11) is electrically connected with a grounding rod (18), one end of the grounding rod (18) is fixedly connected with a hanging plate (15), one end of the hanging plate (15) is fixedly connected with a graphite block (14), a locking ring (26) is fixedly connected onto the graphite block (14), two groups of second connecting plates (16) are fixedly connected onto the grounding rod (18), a pin shaft (19) is arranged between the two groups of second connecting plates (16), a first connecting plate (13) is arranged on the pin shaft (19), the first connecting plate (13) is fixedly connected onto the hanging plate (15), a rubber pad (30) and a protective plate (31) are fixedly mounted onto the second fixing block (29) through a third bolt (12), the lower extreme of second fixed block (29) has first fixed block (27) through circular arc snap ring (28) joint, the lower extreme of first fixed block (27) is provided with lock ring (26), lock ring (26) are connected in one side of graphite block (14).
2. A ground dongle as in claim 1 wherein: the fourth bolts (24) are at least provided with three groups, and one ends of the fourth bolts (24) penetrate through the second fixing plate (23) and the fixing frame (21) and are in threaded connection with nuts (32).
3. A ground dongle as in claim 1 wherein: a through hole (33) is formed in the fourth bolt (24), and a bolt (34) is inserted into the through hole (33) in a sliding mode.
4. A ground dongle as in claim 1 wherein: the strap (6) is located the surface of electric putter (9), just the strap (6) is provided with three groups at least, the one end of first bolt (7) is run through strap (6) and mount (21) threaded connection has nut (32).
5. A ground dongle as in claim 1 wherein: the lower end of the fixing frame (21) is sequentially fixedly provided with a cover plate (5) and a first fixing plate (4) through a second bolt (8).
6. A ground dongle as in claim 1 wherein: one end of the third bolt (12) penetrates through the protective plate (31) and the rubber pad (30) in sequence and is connected to the inner part of the second fixing block (29) in a threaded mode.
7. A ground dongle as in claim 1 wherein: the graphite block (14) is located on one side of the first fixing block (27), and one end of the arc clamping ring (28) is located inside the graphite block (14).
8. A ground dongle as in claim 1 wherein: the electric push rod (9) is electrically connected with the signal switch (25) through a lead.
CN202011056394.4A 2020-09-29 2020-09-29 Grounding protection lock Active CN112134243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011056394.4A CN112134243B (en) 2020-09-29 2020-09-29 Grounding protection lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011056394.4A CN112134243B (en) 2020-09-29 2020-09-29 Grounding protection lock

Publications (2)

Publication Number Publication Date
CN112134243A CN112134243A (en) 2020-12-25
CN112134243B true CN112134243B (en) 2022-03-01

Family

ID=73843278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011056394.4A Active CN112134243B (en) 2020-09-29 2020-09-29 Grounding protection lock

Country Status (1)

Country Link
CN (1) CN112134243B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105207156B (en) * 2014-06-16 2017-07-07 南京电力金具设计研究院有限公司 A kind of protection device for ground wire deicing automatic connection device
CN105322493B (en) * 2014-06-16 2017-07-07 中国南方电网有限责任公司超高压输电公司 A kind of ground wire deicing automatic connection device
CN107508237B (en) * 2017-02-22 2023-06-27 中国能源建设集团南京线路器材有限公司 Automatic wiring device for upper-closing type ground wire ice melting

Also Published As

Publication number Publication date
CN112134243A (en) 2020-12-25

Similar Documents

Publication Publication Date Title
CN201725643U (en) Equalizing ring
CN112134243B (en) Grounding protection lock
CN103001142A (en) Operation method for on-load replacing of 10kV pole-mounted disconnector
CN204537975U (en) Outdoor high-voltage alternating current fuse switch
CN208208444U (en) Self-mountable & dismountuble polymeric metal oxide surge arrester
CN109256626B (en) Flexible graphite lightning protection earth connection ware
CN116453781A (en) Live working switch insulating sheath
CN105207156B (en) A kind of protection device for ground wire deicing automatic connection device
CN105610050B (en) Continuous adjustable universal lightning protection apparatus equipped with parallel gaps
CN211742808U (en) Ordinary high-voltage pin type porcelain insulator
CN203728435U (en) Alarming device for wear of sliding block and power receiving device for bridge type crane
CN208168521U (en) The clamping device of 10kV power distribution network cross arm of tower
CN220534070U (en) Special tool for fastening bolts of overhead line rod end electrical device
CN220106152U (en) Fixed gap lightning arrester capable of replacing belt release device in electrified manner
CN112952552A (en) Lightning protection device for power system
CN218974491U (en) Positioning device for power distribution network faults
CN218769240U (en) Operating mechanism for high-voltage isolating switch
CN205452790U (en) Be used for general type of transmission line continuously adjustable clearance lightning protection device that connects in parallel
CN203895927U (en) Protection device applied to automatic wiring device of ground wire deicing
CN214337648U (en) Transmission line protection device with line disconnection protection function
CN209374688U (en) Down conductor paster structure and ground connection fixation kit
CN216625247U (en) Cable sleeve protection ring
CN221150332U (en) 10KV telescopic ground wire installation and hanging device
CN220011089U (en) Chain breakage detection device of bucket elevator
CN204884721U (en) 110kV transmission line equalizer ring insulator chain

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220610

Address after: 550081 No. 137 Guanshan Road, Guanshan Lake District, Guiyang City, Guizhou Province

Patentee after: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd.

Patentee after: WUZHOU BUREAU, CSG EHV POWER TRANSIMISSION Co.

Address before: No.137 West Road, guanshanhu District, Guiyang City, Guizhou Province

Patentee before: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230418

Address after: 550081 No. 137 Guanshan Road, Guanshan Lake District, Guiyang City, Guizhou Province

Patentee after: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd.

Address before: 550081 No. 137 Guanshan Road, Guanshan Lake District, Guiyang City, Guizhou Province

Patentee before: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd.

Patentee before: WUZHOU BUREAU, CSG EHV POWER TRANSIMISSION Co.

TR01 Transfer of patent right
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20201225

Assignee: NANJING POWER FITTINGS DESIGN AND RESEARCH INSTITUTE Co.,Ltd.

Assignor: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd.

Contract record no.: X2023990000936

Denomination of invention: A grounding protection lock

Granted publication date: 20220301

License type: Common License

Record date: 20231124

EE01 Entry into force of recordation of patent licensing contract