CN203398638U - Operation ladder for painting insulator string in power transmission line - Google Patents

Operation ladder for painting insulator string in power transmission line Download PDF

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Publication number
CN203398638U
CN203398638U CN201320422884.0U CN201320422884U CN203398638U CN 203398638 U CN203398638 U CN 203398638U CN 201320422884 U CN201320422884 U CN 201320422884U CN 203398638 U CN203398638 U CN 203398638U
Authority
CN
China
Prior art keywords
insulator string
insulating bar
transmission line
brushing
wire
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.)
Expired - Fee Related
Application number
CN201320422884.0U
Other languages
Chinese (zh)
Inventor
尚东升
刘伟
陈敬忠
房延杰
龚自涛
王谦
郭超
张道武
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
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Handan Power Supply Co of State Grid Hebei 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 State Grid Corp of China SGCC, Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320422884.0U priority Critical patent/CN203398638U/en
Application granted granted Critical
Publication of CN203398638U publication Critical patent/CN203398638U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an operation ladder for painting an insulator string in a power transmission line. The operation ladder comprises an insulating bar disposed beside a side of the insulator string. One end of the insulating bar is hooked up to wires on an outer end of the insulator string through a clamp hook, and the other end of the insulating bar is bound to a bar tower cross arm through insulating ropes. The middle part of the insulating bar is further connected with a square support frame for reinforcing balance through hanging rings. The operation ladder is simple in structure, and convenient to carry and use; and, compared with traditional metal flat ladder, the operation ladder has the advantages of smaller size, lighter weight and greatly improved work efficiency.

Description

In transmission line for the operating ladder of brushing insulator string
Technical field
The utility model relates to power technology field, particularly a kind of special-purpose auxiliary equipment of using when transmission line operation.
Background technology
Aerial high-voltage power transmission line pollution flashover accident is a kind of accident wide, harmfulness is large that affects.Along with industrial expansion, the contaminated degree of air is more and more serious, and the pollution flashover accident of circuit is also increasing.In overhead transmission line, the pollution flashover of insulator string can cause transmission line breaking, user to have a power failure, and when serious, also can cause large-area power-cuts; The tripping operation causing due to insulator string pollution flashover in addition has a power failure and often can not rely on reclosing to recover rapidly power transmission, and the trip time is longer, and conductor cord disconnection accident also easily occurs.Therefore, the anti-pollution flashover work of insulator string is an important process in power transmission lines overhauling process.The Main Means that current anti-pollution flashover is taked is brushing Silicone Rubber Based Coatings (RTV) on insulator string, and the term of validity is 3-5.Yet along with the develop rapidly of electric power system, the continuous increase of overhead transmission line, the workload of gluing is increasing, and strain insulator string is coated with silica gel work has become in electric power system upkeep operation a long-term and hard work.
Strain insulator string on transmission line is all the suitable line direction settings of string, and the insulator of conductor wire end is away from shaft tower, and owing to being work high above the ground, wind speed is larger, brings very big inconvenience to brushing operation.Conventional brushing operational method has extension to tie up flat terraced method, tie up and sit rope method and sit insulator string method at present.Wherein: extension is tied up flat terraced method and referred to that on the side of insulator string, placing flat terraced ,Ping Ti one end is suspended on wire, and the other end is together with cross arm of tower colligation; This kind of mode need to realize by flat ladder, and safety is secure, but because flat terraced many volumes are larger, comparatively heavy, carry inconvenience, and process of binding is comparatively loaded down with trivial details, versatility is poor, has therefore reduced its utilance.Tie up seat rope method rope is set below insulator string, one end colligation of rope is on cross-arm, and other end colligation is on the wire clamp of insulator string conductor wire end; During operating personnel's operation, be sitting on rope, hand steered an insulator string another hand carries out brushing operation; This kind of operating type is comparatively complicated in the process of rope colligation, and rope holding capacity is less, and safety can not get ensureing.Sitting insulator string method is a kind of comparatively conventional method, and in operation process, operating personnel is horizontal to be sitting on insulator string, the insulating cord of a hand grip colligation on cross-arm, and another hand carries out brushing operation; This kind of operating type, because rope lashing location is on cross-arm, so process of binding is comparatively simple, and the activity duration is shorter, is therefore subject to operating personnel parent and looks at; But this kind of operating type, due to rope soft smooth, stressed non-directional, is therefore difficult for holding with a firm grip, and security and stability is poor; In addition, in operation process, because operating personnel rocks back and forth, easily cause insulator string to rotate, be therefore difficult to keep balance, more cannot guarantee brushing quality.
Utility model content
The utility model technical issues that need to address be to provide a kind of be applied in transmission line for use when the brushing insulator string simple in structure, portably use conveniently and lightweight special stand, guaranteeing, on the basis of operating personnel's safety, to improve brushing quality and painting efficiency.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
In transmission line, for the operating ladder of brushing insulator string, comprise and be arranged on the other insulating bar of insulator string side, one end of insulating bar is articulated in by grab on the wire of insulator string outer end, and the other end of insulating bar passes through insulating cord colligation on cross arm of tower; The middle part of described insulating bar also connects one for strengthening the square bracing frame of balance by link.
The concrete structure of described grab is: described grab comprises plate substrate, on substrate, be provided with the square through hole that holds wire, on the lower edge of described substrate, be provided with the opening for passing wire and being communicated with square through hole, the width of opening is greater than the wire diameter of wire and is less than the lower edge of square through hole.
Improvement of the present utility model is: the connecting plate that described grab is fixedly connected on insulating bar end by one end is located, and between connecting plate and grab, by angle type connector, is fixedly connected with.
Further improvement of the utility model is: on the lower surface of described insulating bar and cross arm of tower link, be fixedly connected with antiskid plate.
Improvement of the present utility model is also: on described insulating bar, also by link, arrange one for hanging the hook of silica gel bucket.
Owing to having adopted technique scheme, the obtained technological progress of the utility model is:
The utility model is simple in structure, carry and easy to use, and with respect to the flat ladder of traditional metal, small volume, weight are lighter, and are easy to before use be arranged on transmission line and shaft tower; As adopt the flat ladder of traditional metal to be coated with silica gel operation, and change the activity duration average out to 29 minutes of every insulator string, and adopt the utility model only to need to fulfil assignment for 15 minutes, greatly improved operating efficiency.
Square bracing frame of the present utility model is convenient to operating personnel's both feet and is trampled, to control the balance of health in operation process.Because grab is flat structure, therefore adopt connecting plate to be connected with insulating bar, can guarantee the firm reliability connecting.The setting of insulating bar other end antiskid plate, for solving the problem that round insulation bar and cross arm of tower contact-making surface are less, further improves the reliability connecting.The setting of linking up with on insulating bar, the convenient silica gel bucket that hangs, liberation operating personnel both hands, improve painting efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 1. insulating bar, 2. square bracing frame, 3. link, 4. grab, 5. antiskid plate, 6. hook ,7. angle type connector, 8. connecting plate.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
In transmission line, for an operating ladder for brushing insulator string, its structure as shown in Figure 1.Comprise insulating bar 1 and square bracing frame 2; Square bracing frame 2 is arranged on the middle part of insulating bar by link 3, for supporting operating personnel's both legs, and work to strengthen balance.
Insulating bar is arranged on by the side of insulator string in use; One end of insulating bar is articulated in by grab 4 on the wire of insulator string outer end, and the other end of insulating bar passes through insulating cord colligation on cross arm of tower.
Grab 4 comprises plate substrate, is provided with the square through hole that holds wire on substrate, is provided with the opening being communicated with square through hole on the lower edge of substrate, for passing wire; The width of opening is greater than the wire diameter of wire and is less than the lower edge of square through hole.Grab 4 is fixedly connected on connecting plate 8 location of insulating bar end by one end, between connecting plate 8 and grab 4, by angle type connector, be fixedly connected with.
On the lower surface of insulating bar and cross arm of tower link, be fixedly connected with antiskid plate 5.On insulating bar, also by link, one hook 4 is set, for hanging silica gel bucket; Hook be positioned at the corresponding insulating bar of square bracing frame on.
When the utility model is used, the opening down of buckle prevented, the opening by wire through grab, enters in square through hole wire; Again by the other end colligation of insulating bar on cross arm of tower, and make antiskid plate between insulating bar and cross arm of tower.After operating personnel is sitting on insulator string, both feet step down on the sheer pole of square bracing frame, for controlling balance.Finally silica gel bucket is suspended on hook and can carries out the operation of brushing silica gel to insulator string.

Claims (5)

  1. In transmission line for the operating ladder of brushing insulator string, it is characterized in that: comprise and be arranged on the other insulating bar (1) of insulator string side, one end of insulating bar is articulated on the wire of insulator string outer end by grab (4), and the other end of insulating bar passes through insulating cord colligation on cross arm of tower; The middle part of described insulating bar also connects one for strengthening the square bracing frame (2) of balance by link (3).
  2. In transmission line according to claim 1 for the operating ladder of brushing insulator string, it is characterized in that: described grab (4) comprises plate substrate, on substrate, be provided with the square through hole that holds wire, on the lower edge of described substrate, be provided with the opening for passing wire and being communicated with square through hole, the width of opening is greater than the wire diameter of wire and is less than the lower edge of square through hole.
  3. In transmission line according to claim 2 for the operating ladder of brushing insulator string, it is characterized in that: described grab (4) is fixedly connected on connecting plate (8) location of insulating bar end by one end, between connecting plate (8) and grab (4), by angle type connector, be fixedly connected with.
  4. In transmission line according to claim 1 for the operating ladder of brushing insulator string, it is characterized in that: on the lower surface of described insulating bar and cross arm of tower link, be fixedly connected with antiskid plate (5).
  5. In transmission line according to claim 1 for the operating ladder of brushing insulator string, it is characterized in that: on described insulating bar, also by link, arrange one for hanging the hook (4) of silica gel bucket.
CN201320422884.0U 2013-07-16 2013-07-16 Operation ladder for painting insulator string in power transmission line Expired - Fee Related CN203398638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320422884.0U CN203398638U (en) 2013-07-16 2013-07-16 Operation ladder for painting insulator string in power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320422884.0U CN203398638U (en) 2013-07-16 2013-07-16 Operation ladder for painting insulator string in power transmission line

Publications (1)

Publication Number Publication Date
CN203398638U true CN203398638U (en) 2014-01-15

Family

ID=49910138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320422884.0U Expired - Fee Related CN203398638U (en) 2013-07-16 2013-07-16 Operation ladder for painting insulator string in power transmission line

Country Status (1)

Country Link
CN (1) CN203398638U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107370088A (en) * 2017-08-24 2017-11-21 国网山东省电力公司淄博供电公司 Transmission line of electricity preformed armor rods construction platform
CN108462101A (en) * 2018-02-27 2018-08-28 国家电网公司 Six or three hanging point strain insulator-string replacing options of ± 800 kV UHVDC Transmission Lines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107370088A (en) * 2017-08-24 2017-11-21 国网山东省电力公司淄博供电公司 Transmission line of electricity preformed armor rods construction platform
CN108462101A (en) * 2018-02-27 2018-08-28 国家电网公司 Six or three hanging point strain insulator-string replacing options of ± 800 kV UHVDC Transmission Lines

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140115

Termination date: 20180716