CN205159908U - Backup protection fixing -line device - Google Patents

Backup protection fixing -line device Download PDF

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Publication number
CN205159908U
CN205159908U CN201520950839.1U CN201520950839U CN205159908U CN 205159908 U CN205159908 U CN 205159908U CN 201520950839 U CN201520950839 U CN 201520950839U CN 205159908 U CN205159908 U CN 205159908U
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CN
China
Prior art keywords
spring
pin
bearing pin
jaw
mainboard
Prior art date
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Active
Application number
CN201520950839.1U
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Chinese (zh)
Inventor
奚红娟
周渠
黄会贤
周德波
程万
邹平
袁兴旺
彭子耀
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.)
CHANGSHOU POWER SUPPLY BRANCH OF STATE GRID CHONGQING ELECTRIC POWER Co
State Grid Corp of China SGCC
Southwest University
Original Assignee
CHANGSHOU POWER SUPPLY BRANCH OF STATE GRID CHONGQING ELECTRIC POWER Co
State Grid Corp of China SGCC
Southwest University
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.)
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Application filed by CHANGSHOU POWER SUPPLY BRANCH OF STATE GRID CHONGQING ELECTRIC POWER Co, State Grid Corp of China SGCC, Southwest University filed Critical CHANGSHOU POWER SUPPLY BRANCH OF STATE GRID CHONGQING ELECTRIC POWER Co
Priority to CN201520950839.1U priority Critical patent/CN205159908U/en
Application granted granted Critical
Publication of CN205159908U publication Critical patent/CN205159908U/en
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Abstract

The utility model relates to a backup protection fixing -line device, including mainboard 1, win 2 in succession, single arm -drag 3 keeps silent 4 on, keep silent 5 down, the 9, the 5th round pin axle 10 on first round pin axle 6, second round pin axle 7, third round pin axle 8, the fourth round pin axle, insulator spindle link up with 11, pull rod 13, spring pin 14, spring pull ring 15, the spring pin sets up on the mainboard, the spring pin is not when receiving external force, and the one end of spring pin stretches into in the circular arc leads to groove 12, the terminal of spring pin is connected with the spring pull ring, the spring pull ring is used for pulling out the circular arc with the spring pin and leads to the groove. The utility model discloses set up insulating bar couple, spring pin and spring pull ring spare, can effectively protect and operate potential safety hazards such as transmission pressure tension releasing that the reason causes and slippage by multiplexer utensil or personnel, guaranteed the electrified smooth implementation of changing transmission line dead end insulator work, reduced fortune dimension intensity of labour, improved live overhaul efficiency, the operation of guarantee electric power system safe and reliable.

Description

A kind of backup protection fixing-line device
Technical field
The utility model belongs to electric power overhaul tools for live working technical field, is specifically related to a kind of earth potential charged for replacement power line tension insulator backup protection fixing-line device.
Background technology
220kV and above grade high-voltage power line tension tower adopt strain insulator string pattern mostly, are in operation and need safeguard, change filthy, damaged insulator.For meeting the power supply reliability requirement of backbone network further, actively carrying out State Grid Corporation of China's repair based on condition of component strategy, effectively improving line facility availability factor, needing to adopt live line working mode as much as possible in ultra-high-tension power transmission line service work.Current domestic charged for replacement power line tension insulator string mainly adopts bottle-holding rack auxiliary replacement method; without backup protection; when adopting bottle-holding rack auxiliary law to change power line tension insulator string; because the reason such as Work tool or human users easily causes the potential safety hazard such as loose ends and wire slippage, bring great security risk to electrical network.Therefore, developing a kind of backup protection wire grip is ultra-high-tension power transmission line charged changing tension-resisting insulator service work problem demanding prompt solution.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of earth potential charged for replacement power line tension insulator backup protection fixing-line device
For achieving the above object, the utility model provides following technical scheme:
A kind of backup protection fixing-line device, comprise mainboard 1, win 2 in succession, torque arm 3, upper jaw 4, lower jaw 5, first bearing pin 6, second bearing pin 7, the 3rd bearing pin 8, the 4th bearing pin 9, the 5th bearing pin 10, insulating bar hook 11, pull bar 13, spring pin 14, spring draw ring 15, described mainboard bottom is provided with lower jaw, one end of described lower jaw, the one end of winning in succession by the first hinge on mainboard, the described other end of winning in succession is hinged by one end of the second bearing pin and torque arm, and described insulating bar hook is arranged at the hinged place of the second bearing pin and torque arm, described mainboard is provided with circular arc groove, the left end of described upper jaw by the 3rd bearing pin and connecting plate hinged, the other end of described upper jaw is slidably connected in circular arc groove by the 4th bearing pin, described mainboard is provided with horizontal groove away from one end of the first bearing pin, the other end of described torque arm is slidably connected in horizontal groove by the 5th bearing pin, described spring pin is arranged on mainboard, described spring pin is not when by external force, one end of spring pin extend in circular arc groove 12, the end of described spring pin is connected with spring draw ring, described spring draw ring is used for spring pin pull-out circular arc groove.
The beneficial effects of the utility model are:
The utility model changes power line tension insulator backup protection fixing-line device in conjunction with existing power failure operation; make improvements; be provided with insulating bar hook member, spring pin and spring pull ring component; can the potential safety hazard such as transmission pressure loose ends and slippage that caused by Work tool or human users's reason of available protecting; ensure the smooth enforcement of charged for replacement power line tension insulator work; reduce O&M labour intensity, improve hotline maintenance efficiency, ensure power system security reliability service.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the utility model structure diagram;
Fig. 2 is the location drawing of the utility model spring pin in use; Wherein (a) represents that the upper and lower jaw of fixing-line device opens up into maximum position, and bearing pin 9 is positioned at position, mainboard circular arc groove upper right side, and spring pin is in free relaxed state, and bearing pin lived by spring catch pole spacing; B () represents that transmission pressure is through the upper and lower jaw of fixing-line device, tension fixing-line device motherboard spring draw ring rope, and bearing pin 9 is along mainboard circular arc groove slide downward, until upper and lower jaw is engaged with transmission pressure closely; C fixing-line device motherboard spring draw ring rope is unclamped in () expression, bearing pin 9 slides down to a certain position along mainboard circular arc groove, until upper and lower jaw is engaged closely with transmission pressure, completes the backup protection of charged for replacement power line tension insulator;
Fig. 3 is upper and lower jaw structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
A kind of backup protection fixing-line device, comprise mainboard 1, win 2 in succession, torque arm 3, upper jaw 4, lower jaw 5, first bearing pin 6, second bearing pin 7, the 3rd bearing pin 8, the 4th bearing pin 9, the 5th bearing pin 10, insulating bar hook 11, pull bar 13, spring pin 14, spring draw ring 15, described mainboard bottom is provided with lower jaw, one end of described lower jaw, the one end of winning in succession by the first hinge on mainboard, the described other end of winning in succession is hinged by one end of the second bearing pin and torque arm, and described insulating bar hook is arranged at the hinged place of the second bearing pin and torque arm, described mainboard is provided with circular arc groove, the left end of described upper jaw by the 3rd bearing pin and connecting plate hinged, the other end of described upper jaw is slidably connected in circular arc groove by the 4th bearing pin, described mainboard is provided with horizontal groove away from one end of the first bearing pin, the other end of described torque arm is slidably connected in horizontal groove by the 5th bearing pin, described spring pin is arranged on mainboard, described spring pin is not when by external force, one end of spring pin extend in circular arc groove 12, the end of described spring pin is connected with spring draw ring, described spring draw ring is used for spring pin pull-out circular arc groove.
In the present embodiment, spring pin is fixed on mainboard by a sleeve, and spring pin can do flexible reciprocating motion in sleeve, but spring pin can not depart from sleeve.
Fig. 2 is the location drawing of the utility model spring pin in use; Wherein the upper and lower jaw of (a) fixing-line device opens up into maximum position, and bearing pin 9 is positioned at position, mainboard circular arc groove upper right side, and spring pin is in free relaxed state, and bearing pin lived by spring catch pole spacing; B () transmission pressure is through the upper and lower jaw of fixing-line device, strain fixing-line device motherboard spring draw ring rope, bearing pin 9 is along mainboard circular arc groove slide downward, until upper and lower jaw is engaged with transmission pressure closely; C () unclamps fixing-line device motherboard spring draw ring rope, bearing pin 9 slides down to a certain position along mainboard circular arc groove, until upper and lower jaw is engaged closely with transmission pressure, completes the backup protection of charged for replacement power line tension insulator;
As shown in Figure 3, upper jaw 4 and lower jaw 5 arrange the first groove 16 and the second groove 17 respectively, and wherein the second groove 17 arranges V-arrangement or bar shaped first groove 16 for semicircle bilateral symmetry.The degree of depth of preferred first groove 16 and the second groove 17 is 0.5-3cm.
When carrying out operation sheet line, by the first groove 16 that upper jaw 4 and lower jaw 5 are arranged and second its fastening effect of groove 17 better, wherein crossing latch on upper jaw 4 and lower jaw 5 for shifting to install, reaching fastening object.
Using method of the present utility model:
1, on bar, the two ends of bottle-holding rack are separately fixed on cross-arm and insulator jump ring by operating personnel.
2, on bar, backup protection fixing-line device upper jaw and lower jaw are opened up into maximum position by operating personnel; bearing pin 9 is made to be positioned at position, mainboard circular arc groove upper right side; spring pin is in free relaxed state, and bearing pin 9 lived by spring catch pole spacing, guarantees opening of fixing-line device upper jaw and lower jaw.
3, on bar, operating personnel link up with 11 with an insulating bar through fixing-line device insulating bar; backup protection wire grip is delivered to bottle-holding rack transmission pressure side; transmission pressure is made to pass the upper and lower jaw of fixing-line device; pull fixing-line device motherboard spring draw ring rope; until upper and lower jaw is engaged closely with transmission pressure, complete the backup protection of charged for replacement power line tension insulator.
4, after charged for replacement power line tension insulator, pull pull bar insulation ropes, the upper and lower jaw of fixing-line device relaxes, and transmission pressure is lax from the upper and lower jaw of fixing-line device, disengaging, and insulating bar regains fixing-line device through fixing-line device insulating bar hook.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.

Claims (1)

1. a backup protection fixing-line device, it is characterized in that: comprise mainboard (1), win in succession (2), torque arm (3), upper jaw (4), lower jaw (5), first bearing pin (6), second bearing pin (7), 3rd bearing pin (8), 4th bearing pin (9), 5th bearing pin (10), insulating bar hook (11), pull bar (13), spring pin (14), spring draw ring (15), described mainboard (1) bottom is provided with lower jaw (5), one end of described lower jaw (5), win in succession (2) one end by the first hinge on mainboard (1), the other end of described win in succession (2) is hinged with one end of torque arm (3) by the second bearing pin (7), and described insulating bar hook (11) is arranged at the hinged place of the second bearing pin (7) and torque arm (3), described mainboard (1) is provided with circular arc groove (12), the left end of described upper jaw (4) is hinged by the 3rd bearing pin (8) and connecting plate (2), the other end of described upper jaw (4) is slidably connected in circular arc groove (12) by the 4th bearing pin (9), described mainboard (1) is provided with horizontal groove away from one end of the first bearing pin (6), and the other end of described torque arm (3) is slidably connected in horizontal groove by the 5th bearing pin (10), described spring pin is arranged on mainboard, described spring pin is not when by external force, one end of spring pin extend in circular arc groove (12), and the end of described spring pin is connected with spring draw ring, and described spring draw ring is used for spring pin pull-out circular arc groove.
CN201520950839.1U 2015-11-25 2015-11-25 Backup protection fixing -line device Active CN205159908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520950839.1U CN205159908U (en) 2015-11-25 2015-11-25 Backup protection fixing -line device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520950839.1U CN205159908U (en) 2015-11-25 2015-11-25 Backup protection fixing -line device

Publications (1)

Publication Number Publication Date
CN205159908U true CN205159908U (en) 2016-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520950839.1U Active CN205159908U (en) 2015-11-25 2015-11-25 Backup protection fixing -line device

Country Status (1)

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CN (1) CN205159908U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720524A (en) * 2016-04-18 2016-06-29 国网辽宁省电力有限公司本溪供电公司 Movable pulley type labor-saving lead clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720524A (en) * 2016-04-18 2016-06-29 国网辽宁省电力有限公司本溪供电公司 Movable pulley type labor-saving lead clamping device

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