CN202978116U - Anti-hooking device for line change of overhead lines - Google Patents

Anti-hooking device for line change of overhead lines Download PDF

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Publication number
CN202978116U
CN202978116U CN 201220705757 CN201220705757U CN202978116U CN 202978116 U CN202978116 U CN 202978116U CN 201220705757 CN201220705757 CN 201220705757 CN 201220705757 U CN201220705757 U CN 201220705757U CN 202978116 U CN202978116 U CN 202978116U
Authority
CN
China
Prior art keywords
cross
arm
major axis
transmission line
overhead transmission
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
CN 201220705757
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Chinese (zh)
Inventor
周彦江
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 Hebei Electric Power Co Ltd
Xingtai Power Supply Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Xingtai Power Supply 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, State Grid Hebei Electric Power Co Ltd, Xingtai Power Supply Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN 201220705757 priority Critical patent/CN202978116U/en
Application granted granted Critical
Publication of CN202978116U publication Critical patent/CN202978116U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an anti-hooking device for line change of overhead lines, relates to the technical field of installation and maintenance of power overhead lines, and particularly discloses a tool for detaching and changing old lines into new lines. The anti-hooking device for line change of overhead lines is characterized by comprising a cross arm long shaft, anti-hooking mechanisms and a cross arm fixing mechanism; more than two groups of the anti-hooking mechanisms are provided, each group comprises two vertical sleeves and one transverse sleeve, the two vertical sleeves are sleeved on two vertical shafts, the transverse sleeve is sleeved on the cross arm long shaft, and the two vertical shafts are connected with the cross arm long shaft. The anti-hooking device for line change of overhead lines has the positive effects of being capable of effectively preventing cables or devices on poles and towers from being damaged during dragging the cables when detaching or changing the old lines into new lines, being capable of greatly reducing the labor intensity of operators, being time-saving and labor-saving, and having the characteristics of being simple in structure, convenient to use, rapid in construction, accurate and safe.

Description

Overhead transmission line thread-changing bottom protector
Technical field
The utility model relates to that power overhead network is installed and the maintenance technique field.
Background technology
At present, in order to make the user use safe, stable, unobstructed relieved electricity, thereby implement " the large transformation of rural power grids " engineering, but in the middle of circuit rebuilding construction process, change aging circuit, usually directly pull by hand thread-changing by the operating personnel when laying new line, make and remove old line, the work of changing ew line is very loaded down with trivial details, time-consuming taking a lot of work, also can cause to the equipment on shaft tower simultaneously damage in various degree, particularly to the damage of cable.Owing to adopting exposed aluminum steel now, the hardness of aluminium is less with respect to the hardness of iron more, when pulling thread-changing, and aluminum steel and cross-arm friction, and also have a lot of welding points on cross-arm, so don't fail to protect cable.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of overhead transmission line thread-changing bottom protector, this overhead transmission line thread-changing bottom protector can prevent effectively when removing old line or laying ew line that cable on shaft tower or equipment on-line cable from causing damage when pulling, can greatly reduce operating personnel's labour intensity, time saving and energy saving, have simple in structure, easy to use, quick, accurate, the safe characteristics of constructing.
Technical solution adopted in the utility model is: a kind of overhead transmission line thread-changing bottom protector is characterized in that: comprise cross-arm major axis, anti-suspension mechanism, cross-arm fixed mechanism; Described anti-suspension mechanism has more than 2 groups, and every group comprises: two perpendicular sleeve pipes, a horizontal sleeve pipe, two perpendicular casing pipe sleeves are on two vertical pivots, and horizontal casing pipe sleeve is on the cross-arm major axis, and two vertical pivots are connected with the cross-arm major axis.
In the middle of also being provided with one between described horizontal sleeve pipe and cross-arm major axis, sleeve is better, and two vertical pivots are connected with the cross-arm major axis by middle sleeve, and two vertical pivots are fixed on middle sleeve; Be provided with retention mechanism between middle sleeve and cross-arm major axis.
Described cross-arm fixed mechanism is the elasticity cross-arm fixed mechanism with spring carrier arm.
Described elasticity cross-arm fixed mechanism comprises that two porcelain vase posts are linked up with and spring carrier arm is better; Two porcelain vase post hooks are fixed on the cross-arm major axis, and spring carrier arm is located at an end of cross-arm major axis.
Described spring carrier arm comprises that framework, link axle, spring, slide plate and hook are better; The left plate of framework is provided with through hole; On the link axle, cover has spring, and the one end is connected with hook, and the other end is fixedly connected with slide plate by the through hole on the framework left plate; Be provided with guide rail mechanism between the epipleural of slide plate and framework and/or lower side panel.
Described guide rail mechanism is preferably: have transverse groove on the epipleural of framework and lower side panel, slide plate is provided with slide block.
The middle part of described framework and a lever handle is hinged better, and an end of the other end of lever handle and cross-arm major axis is hinged.
Described anti-suspension mechanism is preferably 4 groups.
Two vertical pivots in described every group are provided with block, and it is good being provided with thread retaining mechanism between two vertical pivots.
The beneficial effect that adopts technique scheme to produce is:
(1) can effectively protect cable or equipment not to be damaged.The utility model is provided with anti-suspension mechanism; when removing old line, replacing ew line; electric wire is placed in the middle of anti-suspension mechanism; can avoid cross-arm, the welding point on cross arm of tower and the equipment on shaft tower on cable contact shaft tower; and on anti-suspension mechanism, two perpendicular sleeve pipes and a horizontal sleeve pipe can rotate around two vertical pivots and a middle sleeve; the power of effectively reducing friction can well protect cable or equipment not to be damaged.
(2) time saving and energy saving, reduce operating personnel's labour intensity, increase work efficiency.During tow cable, on anti-suspension mechanism, two perpendicular sleeve pipes and a horizontal sleeve pipe can slide together along with cable, make the operating personnel needn't use very large strength when tow cable.
(3) simple in structure, easy to use, construction is accurate, quick, safety;
(4) have promotional value widely, be specially adapted to electric power system and remove old line, change ew line.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the front view of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is structure and the principle schematic of Fig. 1 medi-spring hook embodiment.
In figure, 1. cross-arm major axis, 2. perpendicular sleeve pipe, 3. horizontal sleeve pipe, 4. vertical pivot, 5. in the middle of sleeve, 6. porcelain vase post hook, 7. spring carrier arm, 8. framework, 9. link axle, 10. spring, 11. slide plates, 12. hooks, 13. transverse grooves, 14. lever handles, 15. thread retaining mechanisms, 16. fulcrums.
Embodiment
Referring to accompanying drawing 1, a kind of overhead transmission line thread-changing bottom protector comprises cross-arm major axis 1, anti-suspension mechanism, cross-arm fixed mechanism; Described anti-suspension mechanism has more than 2 groups, and every group comprises: two perpendicular sleeve pipes 2,3, two perpendicular sleeve pipes 2 of a horizontal sleeve pipe are enclosed within on two vertical pivots 4, and horizontal sleeve pipe 3 is enclosed within on cross-arm major axis 1, and two vertical pivots 4 are connected with cross-arm major axis 1.In the middle of also being provided with one between described horizontal sleeve pipe 3 and cross-arm major axis 1,5, two vertical pivots of sleeve 4 are connected with cross-arm major axis 1 by middle sleeve 5, and two vertical pivots 4 are fixed on middle sleeve 5, available bolt or screw fastening between middle sleeve 5 and cross-arm major axis 1.
Referring to accompanying drawing 2, described cross-arm fixed mechanism is the elasticity cross-arm fixed mechanism with spring carrier arm.Described elasticity cross-arm fixed mechanism comprise two porcelain vase posts hook 6 and spring carrier arm 7 better; Two porcelain vase post hooks 6 are fixed on cross-arm major axis 1, and spring carrier arm 7 is located at an end of cross-arm major axis 1.
Described spring carrier arm 7 comprises framework 8, link axle 9, spring 10, slide plate 11 and links up with 12; The left plate of framework 8 is provided with through hole; On link axle 9, cover has spring 10, and the one end is connected with hook 12, and the other end is fixedly connected with slide plate 11 by the through hole on framework 8 left plates; Be provided with guide rail mechanism between the epipleural of slide plate 11 and framework 8 and/or lower side panel.Described guide rail mechanism is preferably: have transverse groove 13 on the epipleural of framework and lower side panel, slide plate 11 is provided with slide block, and slide block can be with slide plate 11 in the interior slip of transverse groove 13.
The middle part of described framework 8 and a lever handle 14 is hinged, and lever handle 14 middle parts are provided with through hole, and an end of framework 8 is provided with hinged ear, and jointed shaft passes through hole and is fixedly connected with hinged ear, and framework 8 coordination hinge axles rotate.The other end of lever handle 14 be hinged with an end of cross-arm major axis 1, the other end of lever handle 14 is provided with through hole, an end of cross-arm major axis 1 is provided with hinged ear, jointed shaft passes through hole and is fixedly connected with hinged ear, lever handle 14 coordination hinge axles rotations.
Described anti-suspension mechanism is preferably 4 groups.Two vertical pivots 4 in described every group are provided with block, and two 4 of vertical pivots are provided with thread retaining mechanism 15 for good.Described thread retaining mechanism 15 is iron wire, and vertical pivot 4 upper ends are provided with through hole, and an end of iron wire passes through hole and fixes, and the other end of iron wire is connected with another vertical pivot 4.Described two vertical pivots 4 should be higher than two perpendicular sleeve pipes 2.Described cross-arm major axis 1 should be shorter than the cross-arm on shaft tower.
Referring to Fig. 3, during use, lever handle 14 is broken off with the fingers and thumb to the left side (figure central bearing point 16 be positioned at a point position), two porcelain vase post hooks 6 are hung on the cross arm of tower porcelain vase, spring carrier arm 7 is hooked in a side end face of cross-arm, drives slide plate 11 and slides left, then lever handle 14 is broken off with the fingers and thumb to the right (figure central bearing point 16 be positioned at b point position), drive slide plate 11 and slide to the right, this overhead transmission line thread-changing bottom protector is fixed on cross-arm on shaft tower.

Claims (9)

1. an overhead transmission line thread-changing bottom protector, is characterized in that: comprise cross-arm major axis (1), anti-suspension mechanism, cross-arm fixed mechanism; Described anti-suspension mechanism has more than 2 groups, every group comprises: two perpendicular sleeve pipes (2), a horizontal sleeve pipe (3), two perpendicular sleeve pipes (2) are enclosed within on two vertical pivots (4), and horizontal sleeve pipe (3) is enclosed within on cross-arm major axis (1), and two vertical pivots (4) are connected with cross-arm major axis (1).
2. overhead transmission line thread-changing bottom protector according to claim 1, sleeve (5) in the middle of it is characterized in that also being provided with between described horizontal sleeve pipe (3) and cross-arm major axis (1) one, two vertical pivots (4) are connected with cross-arm major axis (1) by middle sleeve (5), and two vertical pivots (4) are fixed on middle sleeve (5); Be provided with retention mechanism between middle sleeve (5) and cross-arm major axis (1).
3. overhead transmission line thread-changing bottom protector according to claim 1, is characterized in that described cross-arm fixed mechanism is the elasticity cross-arm fixed mechanism with spring carrier arm.
4. overhead transmission line thread-changing bottom protector according to claim 3, is characterized in that described elasticity cross-arm fixed mechanism comprises two porcelain vase post hooks (6) and spring carrier arms (7); Two porcelain vase post hooks (6) are fixed on cross-arm major axis (1), and spring carrier arm (7) is located at an end of cross-arm major axis (1).
5. according to claim 3 or 4 described overhead transmission line thread-changing bottom protectors, is characterized in that described spring carrier arm (7) comprises framework (8), link axle (9), spring (10), slide plate (11) and hook (12); The left plate of framework (8) is provided with through hole; The upper cover of link axle (9) has spring (10), and the one end is connected with hook (12), and the other end is fixedly connected with slide plate (11) by the through hole on framework (8) left plate; Be provided with guide rail mechanism between the epipleural of slide plate (11) and framework (8) and/or lower side panel.
6. overhead transmission line thread-changing bottom protector according to claim 5, it is characterized in that described guide rail mechanism is: have transverse groove (13) on the epipleural of framework (8) and lower side panel, slide plate (11) is provided with slide block.
7. overhead transmission line thread-changing bottom protector according to claim 5, is characterized in that the middle part of described framework (8) and a lever handle (14) is hinged, the other end of lever handle (14) be hinged with an end of cross-arm major axis (1).
8. overhead transmission line thread-changing bottom protector according to claim 1, is characterized in that described anti-suspension mechanism is 4 groups.
9. overhead transmission line thread-changing bottom protector according to claim 1, is characterized in that two vertical pivots (4) in described every group are provided with block, is provided with thread retaining mechanism (15) between two vertical pivots (4).
CN 201220705757 2012-12-19 2012-12-19 Anti-hooking device for line change of overhead lines Expired - Fee Related CN202978116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220705757 CN202978116U (en) 2012-12-19 2012-12-19 Anti-hooking device for line change of overhead lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220705757 CN202978116U (en) 2012-12-19 2012-12-19 Anti-hooking device for line change of overhead lines

Publications (1)

Publication Number Publication Date
CN202978116U true CN202978116U (en) 2013-06-05

Family

ID=48519143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220705757 Expired - Fee Related CN202978116U (en) 2012-12-19 2012-12-19 Anti-hooking device for line change of overhead lines

Country Status (1)

Country Link
CN (1) CN202978116U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130605

Termination date: 20131219