CN203690798U - Universal tool for replacing suspension angle tower insulator string - Google Patents

Universal tool for replacing suspension angle tower insulator string Download PDF

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Publication number
CN203690798U
CN203690798U CN201420001738.5U CN201420001738U CN203690798U CN 203690798 U CN203690798 U CN 203690798U CN 201420001738 U CN201420001738 U CN 201420001738U CN 203690798 U CN203690798 U CN 203690798U
Authority
CN
China
Prior art keywords
plate
insulator string
card
leading screw
tool
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.)
Withdrawn - After Issue
Application number
CN201420001738.5U
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Chinese (zh)
Inventor
张佰庆
崔艳东
周炳凌
李炎
刘贞瑶
闫广清
褚洪雷
由博
唐盼
刘庭
刘凯
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
China Electric Power Research Institute Co Ltd CEPRI
State Grid Jiangsu Electric Power Co Ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Jiangsu Electric Power Co Ltd
Maintenance Branch of State Grid Jiangsu 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, China Electric Power Research Institute Co Ltd CEPRI, State Grid Jiangsu Electric Power Co Ltd, Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420001738.5U priority Critical patent/CN203690798U/en
Application granted granted Critical
Publication of CN203690798U publication Critical patent/CN203690798U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a universal tool for replacing a suspension angle tower insulator string. The tool comprises clamps (1), screw rods (2), insulating pull rods (3) and insulating holding frames (4) used for holding an insulator string to be replaced (8). The tool is characterized in that the tool also comprises a triangle connecting plate (7), and the quantities of the clamps (1), the screw rods (2), the insulating pull rods (3) and the insulating holding frames (4) are larger than or equal to 2. The universal tool for replacing the suspension angle tower insulator string has the advantages of reasonable design, strong operability, good versatility and high safety factor in replacement and is suitable for wide popularization and application.

Description

A kind of general utility tool of changing straight-line angle tower insulator string
Technical field
The utility model relates to a kind of general utility tool of changing straight-line angle tower insulator string, relate in particular to a kind of have a power failure or charged operating mode under carry out the replacing operation of 500kV line linear angle tower insulator string general utility tool, belong to Electric Power Line Overhaul technical field.
Background technology
Insulator is indispensable electric component in electric power course of conveying, and it is mainly used on electric power line pole tower, the electric insulation that is mainly used to carry the load of wire and keeps wire and shaft tower itself.Because insulator is worked under environment for a long time out of doors, be prone to defect, now just need to according to actual conditions have a power failure or charged operating mode under poor insulator is changed.For high-tension line tangent tower and straight-line angle tower, do not have general service kit cannot guarantee to change the safety and efficiency of insulator string work.
Change at present tangent tower insulator string used tool and mainly comprise the parts such as jig, leading screw, insulated tension pole, by jig being arranged on to the angle steel place of insulator string hitch point, tighten up leading screw, the load transfer of insulator string, to insulated tension pole, is reached to the object of changing insulator string.But the instrument that is applicable to tangent tower needs at right angle setting, and the hitch point of the insulator string of straight-line angle tower and conductor wire end tie point have certain angle, its jig and pull bar need to bear the load of horizontal direction, cause leading screw to tighten up.And insulator string type is more at present, and the hanging point configurations of shaft tower, causes the versatility of instrument poor.
Utility model content
Technical problem to be solved in the utility model is, a kind of general utility tool of changing straight-line angle tower insulator string is provided, and this instrument can be used for the replacing of straight-line angle tower insulator string, also can be used for the replacing of tangent tower insulator string, can be used for also can be used for after the replacing, combination of single insulator string string the replacing of two insulator string strings.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of general utility tool of changing straight-line angle tower insulator string, comprise jig, leading screw, insulated tension pole and for holding the insulating insulator bracket of insulator string to be replaced, it is characterized in that: also comprise triangle connecting plate, the number of described jig, leading screw, insulated tension pole and insulating insulator bracket is at least 2; The upper end of described insulator string to be replaced hangs on cross-arm angle bar, described jig comprises upper card for blocking described cross-arm angle bar and for blocking the lower card of lower end hitch point of insulator string to be replaced, described leading screw one end is flexibly connected with described upper card, the other end is fixedly connected with described insulated tension pole top, described insulated tension pole bottom with described under fasten and be connected, described insulating insulator bracket is positioned at the below of described insulator string to be replaced, and described insulating insulator bracket two ends are fixedly connected with described upper clamp and lower clamp by bolt.
Described upper card comprises leading screw seat, connects plate, support plate, for Connection Block and sliding bar that described in another, upper card is connected, described connection plate Wei Yige center sky and the intact plate of surrounding, described connection plate left end is connected with described leading screw seat by movable bolt, described connection plate right-hand member is connected with described Connection Block one, described connection plate lower end is fixedly connected with described sliding bar, and described connection plate side is fixedly connected with described support plate.
Described leading screw seat comprises leading screw pedestal that one connects and the screw rod for being used in conjunction with described movable bolt, described leading screw pedestal upper surface is provided with spheric groove, described leading screw pedestal lower surface is provided with taper hole, described spheric groove is connected with described taper hole, the narrow end of described taper hole is connected with described spheric groove, the diameter of the narrow end of described taper hole is less than the diameter of the openend of described spheric groove, one end of described screw rod is connected with the side one of described leading screw pedestal, the other end is through being fixedly connected with described movable bolt after the left end of described connection plate.
Described spheric groove is for placing and pass described leading screw, and described taper hole is used for through described leading screw and allows described leading screw to rotate freely 10 ~ 30 ° in described taper hole.
The number of described support plate is 2 and be arranged in parallel, and described support plate is a vertical flat board of placing, and one end of described flat board is connected with the described side that is connected plate, is provided with the hanging hole for being connected with described insulating insulator bracket on described support plate.
" n " type that is shaped as of described Connection Block, the blind end of described " n " type connects with the described right-hand member one that is connected plate, in the upper plate of described " n " type and lower plate, be provided with corresponding screw, in described upper plate and lower plate, be provided with at least 2 described screws.
Described screw is fixed with bolt afterwards for corresponding with the screw of a kind of general utility tool of changing straight-line angle tower insulator string described in another.
The top of described sliding bar is fixedly connected with the described lower end that is connected plate, and the bottom of described sliding bar is for being fixedly connected with described cross-arm angle bar.
Described leading screw comprises handle, wire lever, bearing pedestal, thrust bearing, ratchet and ratchet casing tube, the setting vertical with described wire lever of described handle and flexible connection, described bearing pedestal, on thrust bearing and ratchet, be provided with for the through hole through described wire lever, one end of the through hole of described bearing pedestal is provided with spheric projection, the other end is provided with groove, described spheric projection is flexibly connected with described upper card, described thrust bearing is arranged in described groove through after described wire lever, described ratchet is fixedly connected with described thrust bearing through inner after described wire lever, described handle arranges and is fixedly connected with described ratchet is vertical, the outer end of described ratchet is fixedly connected on described wire lever by described ratchet casing tube, one end of described wire lever is provided with the linkage unit for being connected with described insulated tension pole, the angle that described wire lever rotates freely under the drive of described handle is 10 ~ 30 °.
Spheric groove on the leading screw seat of described spheric projection and described upper card matches, and the angle that described spheric projection rotates freely in described spheric groove is 10 ~ 30 °
The length of described insulated tension pole is 10 ~ 18m, one end of described insulated tension pole is provided with the first connector being used in combination with the linkage unit of described wire lever, the other end be provided with described under fasten the second connector being connected, the angle that described insulated tension pole rotates freely under the drive of described wire lever is similarly 10 ~ 30 °.
Described lower card is the corner block of a hollow, the pointed end of described corner block, the left side of described corner block is provided with the first screw for being fixedly connected with described insulated tension pole, the right side of described corner block is provided with the second screw for being fixedly connected with described triangle connecting plate, the flush end of described corner block is fixedly connected with the lower end hitch point of described insulator string to be replaced, thereby changes when described triangle connecting plate is realized 2 described insulator strings to be replaced for being connected with lower card described in another.
Described insulating insulator bracket comprises 2 low bars, 2 high bars and some crossbeams, described low bar is identical with high pole length and be arranged in parallel, the height of described low bar is lower than described high bar, 2 described low bars are arranged in 2 described high bars, described crossbeam connects described low bar and high bar, described crossbeam be shaped as the trapezoidal of top end opening, the two ends of described insulating insulator bracket are fixedly connected with described upper clamp and lower clamp.
A kind of general utility tool of changing straight-line angle tower insulator string that the utility model provides, owing to having adopted the Rotation Design of leading screw seat and bearing pedestal, make it in the time being subject to wire horizontal loading, can following and deflect, thereby make the suffered stress of leading screw and insulated tension pole for radially, reach safety work requirement, relaxed the installation accuracy for upper clamp and lower clamp simultaneously, insulation pulling plate is without keeping vertical, improve operating efficiency, therefore the utility model can, for the replacing of straight-line angle tower insulator string, also can be used for the replacing of tangent tower insulator string; In addition, because the utility model adopts Combination Design, between upper card and between lower card, all can be used in combination, make the utility model both can be used for also can be used for after the replacing, combination of single insulator string string the replacing of two insulator string strings.A kind of general utility tool of changing straight-line angle tower insulator string that the utility model provides, reasonable in design, workable, versatility is good, and when replacing, coefficient of safety is high, is applicable to wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is changed single insulator string string;
Fig. 2 is the structural representation that the utility model is changed two insulator string strings;
Fig. 3 is the front view blocking on the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is the front view of longitudinal tangent plane of the leading screw seat of the utility model;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the structural representation of the leading screw of the utility model;
Fig. 9 is the structural representation of the insulating insulator bracket of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Fig. 1 ~ 9, a kind of general utility tool of changing straight-line angle tower insulator string, comprise jig 1, leading screw 2, insulated tension pole 3 and for holding the insulating insulator bracket 4 of insulator string 8 to be replaced, it is characterized in that: also comprise triangle connecting plate 7, the number of described jig 1, leading screw 2, insulated tension pole 3 and insulating insulator bracket 4 is 2; The upper end of described insulator string to be replaced 8 hangs on cross-arm angle bar 9, described jig 1 comprises upper card 5 for blocking described cross-arm angle bar 9 and for blocking the lower card 6 of lower end hitch point of insulator string 8 to be replaced, described leading screw 2 one end are flexibly connected with described upper card 5, the other end is fixedly connected with described insulated tension pole 3 tops, described insulated tension pole 3 bottoms are fixedly connected with described lower card 6, described insulating insulator bracket 4 is positioned at the below of described insulator string to be replaced 8, and described insulating insulator bracket 4 two ends are fixedly connected with lower card 6 with described upper card 5 by bolt.
Described upper card 5 comprises leading screw seat 51, connects plate 52, support plate 53, for upper card 5 Connection Blocks that are connected 54 and sliding bar 55 described in another, described connection plate 52 Wei Yige center skies and the intact plate of surrounding, described connection plate 52 left ends are connected with described leading screw seat 51 by movable bolt 56, described connection plate 52 right-hand members are connected with described Connection Block 54 one, described connection plate 52 lower ends are fixedly connected with described sliding bar 55, and described connection plate 52 sides are fixedly connected with described support plate 53.
Described leading screw seat 51 comprises leading screw pedestal 511 that one connects and the screw rod 512 for being used in conjunction with described movable bolt 56, described leading screw pedestal 511 upper surfaces are provided with spheric groove 513, described leading screw pedestal 511 lower surfaces are provided with taper hole 514, described spheric groove 513 is connected with described taper hole 514, the narrow end of described taper hole 514 is connected with described spheric groove 513, the diameter of the narrow end of described taper hole 514 is less than the diameter of the openend of described spheric groove 513, one end of described screw rod 512 is connected with the side one of described leading screw pedestal 511, the other end is through being fixedly connected with described movable bolt 56 after the left end of described connection plate 52.
The number of described support plate 53 is 2 and be arranged in parallel, and described support plate 53 is a vertical flat board of placing, and one end of described flat board is connected with the described side that is connected plate 52, is provided with the hanging hole 531 for being connected with described insulating insulator bracket 4 on described support plate 53.
" n " type that is shaped as of described Connection Block 54, the blind end of described " n " type connects with the described right-hand member one that is connected plate 52, in the upper plate of described " n " type and lower plate, be provided with corresponding screw 541, in described upper plate and lower plate, be provided with at least 2 described screws 541.
The top of described sliding bar 55 is fixedly connected with the described lower end that is connected plate 52, and the bottom of described sliding bar 55 is for being fixedly connected with described cross-arm angle bar 9.
Described leading screw 2 comprises handle 21, wire lever 22, bearing pedestal 23, thrust bearing 24, ratchet 25 and ratchet casing tube 26, the setting vertical with described wire lever 22 of described handle 21 and flexible connection, described bearing pedestal 23, on thrust bearing 24 and ratchet 25, be provided with for the through hole through described wire lever 22, one end of the through hole of described bearing pedestal 23 is provided with spheric projection 231, the other end is provided with groove 232, described spheric projection 231 is flexibly connected with described upper card 5, described thrust bearing 24 is arranged in described groove 232 through after described wire lever 22, described ratchet 25 is fixedly connected with described thrust bearing 24 through the rear the inner of described wire lever 22, described handle 21 arranges and is fixedly connected with described ratchet 25 is vertical, the outer end of described ratchet 25 is fixedly connected on described wire lever 22 by described ratchet casing tube 26, one end of described wire lever 22 is provided with the linkage unit 221 for being connected with described insulated tension pole 3, the angle that described wire lever 22 rotates freely under the drive of described handle 21 is 10 ~ 30 °.
The length of described insulated tension pole 3 is 18m, one end of described insulated tension pole 3 is provided with the first connector being used in combination with the linkage unit 221 of described wire lever 22, the other end is provided with the second connector being fixedly connected with described lower card 6, and the angle that described insulated tension pole 3 rotates freely under the drive of described wire lever 22 is similarly 10 ~ 30 °.
Described lower card 6 is the corner block of a hollow, the pointed end of described corner block, the left side of described corner block is provided with the first screw for being fixedly connected with described insulated tension pole 3, the right side of described corner block is provided with the second screw for being fixedly connected with described triangle connecting plate 7, the flush end of described corner block is fixedly connected with the lower end hitch point of described insulator string 8 to be replaced, thereby changes described triangle connecting plate 7 is realized 2 described insulator strings to be replaced 8 for being connected with lower card 6 described in another time.
Described insulating insulator bracket 4 comprises 41,2 high bars 42 of 2 low bars and some crossbeams 43, described low bar 41 is identical with high bar 42 length and be arranged in parallel, the height of described low bar 41 is lower than described high bar 42,2 described low bars 41 are arranged in 2 described high bars 42, described crossbeam 43 connects described low bar 41 and high bar 42, described crossbeam 43 be shaped as the trapezoidal of top end opening, the two ends of described insulating insulator bracket 4 are fixedly connected with lower card 6 with described upper card 5.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (10)

1. change the general utility tool of straight-line angle tower insulator string for one kind, comprise jig (1), leading screw (2), insulated tension pole (3) and for holding the insulating insulator bracket (4) of insulator string to be replaced (8), it is characterized in that: also comprise triangle connecting plate (7), the number of described jig (1), leading screw (2), insulated tension pole (3) and insulating insulator bracket (4) is at least 2, the upper end of described insulator string to be replaced (8) hangs on cross-arm angle bar (9), described jig (1) comprises upper card (5) for blocking described cross-arm angle bar (9) and for blocking the lower card (6) of lower end hitch point of insulator string to be replaced (8), described leading screw (2) one end is flexibly connected with described upper card (5), the other end is fixedly connected with described insulated tension pole (3) top, described insulated tension pole (3) bottom is fixedly connected with described lower card (6), described insulating insulator bracket (4) is positioned at the below of described insulator string to be replaced (8), described insulating insulator bracket (4) two ends are fixedly connected with lower card (6) with described upper card (5) by bolt.
2. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 1, it is characterized in that: described upper card (5) comprises leading screw seat (51), connect plate (52), support plate (53), be used for and described in another, above block Connection Block (54) and the sliding bar (55) that (5) are connected, described connection plate (52) Wei Yige center sky and the intact plate of surrounding, described connection plate (52) left end is connected with described leading screw seat (51) by movable bolt (56), described connection plate (52) right-hand member is connected with described Connection Block (54) one, described connection plate (52) lower end is fixedly connected with described sliding bar (55), described connection plate (52) side is fixedly connected with described support plate (53).
3. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 2, it is characterized in that: described leading screw seat (51) comprises leading screw pedestal (511) that one connects and the screw rod (512) for being used in conjunction with described movable bolt (56), described leading screw pedestal (511) upper surface is provided with spheric groove (513), described leading screw pedestal (511) lower surface is provided with taper hole (514), described spheric groove (513) is connected with described taper hole (514), the narrow end of described taper hole (514) is connected with described spheric groove (513), the diameter of the narrow end of described taper hole (514) is less than the diameter of the openend of described spheric groove (513), one end of described screw rod (512) is connected with the side one of described leading screw pedestal (511), the other end is through being fixedly connected with described movable bolt (56) after the left end of described connection plate (52).
4. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 2, it is characterized in that: the number of described support plate (53) is 2 and be arranged in parallel, described support plate (53) is a vertical flat board of placing, one end of described flat board is connected with the described side that is connected plate (52), is provided with the hanging hole (531) for being connected with described insulating insulator bracket (4) on described support plate (53).
5. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 2, it is characterized in that: " n " type that is shaped as of described Connection Block (54), the blind end of described " n " type connects with the described right-hand member one that is connected plate (52), in the upper plate of described " n " type and lower plate, be provided with corresponding screw (541), in described upper plate and lower plate, be provided with at least 2 described screws (541).
6. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 2, it is characterized in that: the top of described sliding bar (55) is fixedly connected with the described lower end that is connected plate (52), the bottom of described sliding bar (55) is for being fixedly connected with described cross-arm angle bar (9).
7. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 1, it is characterized in that: described leading screw (2) comprises handle (21), wire lever (22), bearing pedestal (23), thrust bearing (24), ratchet (25) and ratchet casing tube (26), described handle (21) setting vertical with described wire lever (22) and flexible connection, described bearing pedestal (23), on thrust bearing (24) and ratchet (25), be provided with for the through hole through described wire lever (22), one end of the through hole of described bearing pedestal (23) is provided with spheric projection (231), the other end is provided with groove (232), described spheric projection (231) is flexibly connected with described upper card (5), described thrust bearing (24) is arranged in described groove (232) through after described wire lever (22), described ratchet (25) is fixedly connected with described thrust bearing (24) through the inner after described wire lever (22), described handle (21) arranges and is fixedly connected with described ratchet (25) is vertical, the outer end of described ratchet (25) is fixedly connected on described wire lever (22) by described ratchet casing tube (26), one end of described wire lever (22) is provided with the linkage unit (221) for being connected with described insulated tension pole (3), the angle that described wire lever (22) rotates freely under the drive of described handle (21) is 10 ~ 30 °.
8. according to a kind of general utility tool of changing straight-line angle tower insulator string described in claim 1 or 7, it is characterized in that: the length of described insulated tension pole (3) is 10 ~ 18m, one end of described insulated tension pole (3) is provided with the first connector being used in combination with the linkage unit (221) of described wire lever (22), the other end is provided with the second connector being fixedly connected with described lower card (6), and the angle that described insulated tension pole (3) rotates freely under the drive of described wire lever (22) is similarly 10 ~ 30 °.
9. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 1, it is characterized in that: described lower card (6) is the corner block of a hollow, the pointed end of described corner block, the left side of described corner block is provided with the first screw for being fixedly connected with described insulated tension pole (3), the right side of described corner block is provided with the second screw for being fixedly connected with described triangle connecting plate (7), the flush end of described corner block is fixedly connected with the lower end hitch point of described insulator string to be replaced (8), described triangle connecting plate (7) for lower card (6) described in another thus be connected when realizing 2 described insulator strings to be replaced (8) and change.
10. a kind of general utility tool of changing straight-line angle tower insulator string according to claim 1, it is characterized in that: described insulating insulator bracket (4) comprises 2 low bars (41), 2 high bars (42) and some crossbeams (43), described low bar (41) is identical with high bar (42) length and be arranged in parallel, the height of described low bar (41) is lower than described high bar (42), 2 described low bars (41) are arranged in 2 described high bars (42), described crossbeam (43) connects described low bar (41) and high bar (42), described crossbeam (43) be shaped as the trapezoidal of top end opening, the two ends of described insulating insulator bracket (4) are fixedly connected with lower card (6) with described upper card (5).
CN201420001738.5U 2014-01-02 2014-01-02 Universal tool for replacing suspension angle tower insulator string Withdrawn - After Issue CN203690798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420001738.5U CN203690798U (en) 2014-01-02 2014-01-02 Universal tool for replacing suspension angle tower insulator string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420001738.5U CN203690798U (en) 2014-01-02 2014-01-02 Universal tool for replacing suspension angle tower insulator string

Publications (1)

Publication Number Publication Date
CN203690798U true CN203690798U (en) 2014-07-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746317A (en) * 2014-01-02 2014-04-23 国家电网公司 General tool for replacing insulator chains of straight-line angle tower
CN105429054A (en) * 2015-12-29 2016-03-23 广西电网有限责任公司玉林供电局 Universal fixture for lively replacing entire glass insulator string on strain pole
CN110994449A (en) * 2019-12-05 2020-04-10 国网山东省电力公司烟台供电公司 Special tool for replacing linear insulator of power transmission line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746317A (en) * 2014-01-02 2014-04-23 国家电网公司 General tool for replacing insulator chains of straight-line angle tower
CN103746317B (en) * 2014-01-02 2016-03-02 国家电网公司 A kind of general utility tool changing straight-line angle tower insulator string
CN105429054A (en) * 2015-12-29 2016-03-23 广西电网有限责任公司玉林供电局 Universal fixture for lively replacing entire glass insulator string on strain pole
CN110994449A (en) * 2019-12-05 2020-04-10 国网山东省电力公司烟台供电公司 Special tool for replacing linear insulator of power transmission line

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140702

Effective date of abandoning: 20160302

C25 Abandonment of patent right or utility model to avoid double patenting