CN209724200U - A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic - Google Patents

A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic Download PDF

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Publication number
CN209724200U
CN209724200U CN201920289009.7U CN201920289009U CN209724200U CN 209724200 U CN209724200 U CN 209724200U CN 201920289009 U CN201920289009 U CN 201920289009U CN 209724200 U CN209724200 U CN 209724200U
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CN
China
Prior art keywords
terraced
ladder
main
wire jumper
auxiliary
Prior art date
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Active
Application number
CN201920289009.7U
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Chinese (zh)
Inventor
谢宗喜
李建明
甘利红
刘凡
曾争
刘胤晨
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
Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201920289009.7U priority Critical patent/CN209724200U/en
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Abstract

The utility model relates to a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic, including the fixed device of terraced head, the terraced body main body of foldable telescopic and terraced tail handgrip for fixing wire jumper;It is fixedly connected in the middle part of one end of the fixed device of ladder head and the cross-arm above wire jumper insulator, the other end is fixedly connected with terraced body main body upper end;The ladder body main body is made of main ladder and auxiliary ladder;The auxiliary terraced vertical bar lateral wall of the one of the auxiliary ladder is fixedly connected by several fold mechanisms with a main terraced vertical bar lateral wall of main ladder;Another auxiliary terraced vertical bar inner sidewall of the auxiliary ladder is provided with vertical slot, vertical slot inner sidewall from top to bottom successively in hingedly fix several support bars, it is fixed on after the expansion of support bar movable end in the interface of the corresponding main terraced cross bar in position, and then auxiliary ladder, main ladder connect to form triangle fixed mode with support bar;The round steel that the ladder tail handgrip crosses two main terraced vertical bars by one is fixed between two main terraced vertical bar bottoms.

Description

A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic
Technical field
The utility model relates to electric power overhaul apparatus fields, and in particular to a kind of wire jumper line maintenance of foldable telescopic is special With ladder.
Background technique
Wire jumper: the conducting wire of connection anchor support two sides conductor strain clamp is known as wire jumper, the effect of wire jumper be transmit electric power it is negative Lotus simultaneously keeps enough electrical distances with shaft tower tower body;
Wire jumper insulator: by angle steel tower design limitation, the conducting wire of rounded projections arranged need to usually jumped since wire jumper is too long Suspension insulator is hung at line point and is also known as wire jumper insulator, and the effect of wire jumper insulator is to prevent wire jumper windage yaw amplitude of oscillation mistake Cause ground tripping accident greatly;
In recent years, with the continuous increase of power demands and supply district, power circuit it is newly-built, renovating and enlarging also with Increase, for electric power smoothly conveys and adds the shaft tower built and conducting wire also more and more, transmission line of electricity is longer, and coverage is got over Extensively, wherein " three across " strain section is also more, the wire jumper and wire jumper insulator used is also inevitable more and more, due to wire jumper and jump The setting moment of line insulator affects transmission of electricity safety, therefore just about wire jumper insulator and the repair and maintenance of shaft tower connection gold utensil Seem more important.
The way of the most common maintenance wire jumper insulator of staff is to beat backup protection rope on cross-arm at present, along Insulator climbing and under, foot steps on wire jumper, safety belt is beaten and is put in insulator, by backup protection rope and belt force holding Balance, then carries out upkeep operation.This method is cumbersome, insulator easy to damage, and due to protected rope and belt length Influence, operating personnel is inconvenient, while below wire jumper without it is fixed so that wire jumper shake it is larger.Therefore, it needs a kind of to facilitate work The auxiliary tool of cross-arm and wire jumper above and below industry personnel improves operating efficiency to guarantee the safety of operating personnel.
Utility model content
In view of above-mentioned deficiencies of the prior art, it is special to be intended to provide a kind of folding wire jumper insulator maintenance for the utility model With ladder, can guarantee operating personnel's wire jumper safety up and down, improve wire jumper line maintenance efficiency, at the same carry it is convenient be suitable for it is a variety of The maintenance of the wire jumper insulator of region different length.
The technical solution of the utility model is as follows:
A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic, the terraced body including the fixed device of terraced head, foldable telescopic Main body and terraced tail handgrip for fixing wire jumper;In one end of the fixed device of ladder head and the cross-arm above wire jumper insulator Portion is fixedly connected, and the other end is fixedly connected with terraced body main body upper end;The ladder body main body is made of main ladder and auxiliary ladder;The auxiliary ladder An auxiliary terraced vertical bar lateral wall be fixedly connected by several fold mechanisms with a main terraced main ladder vertical bar lateral wall;The auxiliary ladder Another auxiliary terraced vertical bar inner sidewall opens up vertical slot, and vertical slot inner sidewall successively hingedly fixes several support bars from top to bottom, and support bar is living It is fixed on after the expansion of moved end in the interface of the corresponding main terraced cross bar in position, and then main ladder, auxiliary ladder connect to form three with support bar Angle fixed mode;The round steel that the ladder tail handgrip crosses two main terraced vertical bars by one be fixed on the main terraced vertical bar in main terraced bottom end two it Between.
Further, the bottom of the main ladder is fixedly connected with the extension ladder for extending terraced body principal length;It is described to stretch Contracting ladder is fixed by crossing the round steel of two main terraced vertical bar bottom ends, including at least one in the cleat stanchion unit of door shape, Mei Geti Pole unit includes two hollow cleat stanchions and a spreader, and the both ends of spreader are separately connected one end of two cleat stanchions;Connect up and down The cleat stanchion unit connect is mutually socketed, and is socketed in external cleat stanchion upper end and is provided with inner wall anti-falling piece, is socketed in internal cleat stanchion Lower end is provided with outer wall anti-falling piece.
Further, the inner wall anti-falling piece is locating snap ring on cleat stanchion in a ring, and locating snap ring is detachably connected on cleat stanchion On cleat stanchion;The outer wall anti-falling piece is locating snap ring under cleat stanchion in a ring, and locating snap ring is fixedly connected on cleat stanchion lower end under cleat stanchion.
Further, the fold mechanism is hinge.
Further, the main ladder is fixedly connected with the band iron piece of " L " type far from the main terraced vertical bar lateral wall of hinge joint, flat One end of iron plate is fixedly connected with main terraced vertical bar side wall, and the other end is enclosed the card slot of opening upwards with main terraced vertical bar;It is described Auxiliary ladder is hinged with " one " type hook tabs far from the auxiliary terraced vertical bar lateral wall of hinge joint, and the main ladder and auxiliary ladder after contraction can pass through band iron piece Cooperation with hook tabs is fixed.
Further, the terraced tail handgrip includes two rows of hinged grasping teeths, the grasping teeth upper piece be equipped with two pairs Articulated section, the round steel cross behind two pairs of articulated sections of overlapping on the round steel by fixed ladder tail handgrip, between two pairs of articulated sections also It is socketed with torsional spring, realizes the fixed wire jumper of the folding of terraced tail handgrip.
Further, the fixed device of terraced head is two point coupling type, including crossing two main terraced vertical bar upper ends by one Round steel is separately fixed at the double hook on the outside of main terraced vertical bar, and double hook is hung on the cross-arm above wire jumper insulator, and then will be dedicated hard Ladder is fixed on region between cross-arm and wire jumper.
The utility model has the following beneficial effects:
1, the wire jumper line maintenance special-purpose ladder of foldable telescopic provided by the utility model, terraced body main body respectively can be in levels Extended on vertical direction, the length of the wire jumper insulator of service area as needed and the orientation of wire jumper carry out terraced body master On the one hand the adjusting of body can guarantee the safety of operating personnel or more cross-arm and wire jumper, reduce the activity duration of cross-arm up and down, mention On the other hand high overhaul efficiency can expand the use scope and function of special-purpose ladder.
2, the tail portion of special-purpose ladder provided by the utility model is additionally provided with the ladder for being capable of fixing wire jumper below wire jumper insulator Pintle ring can hook wire jumper, and then fixed wire jumper, avoid the wire jumper when overhauling wire jumper insulator and wire jumper route from shaking, guarantee Maintenance safety.
Detailed description of the invention
Fig. 1 is the front view of special-purpose ladder when the auxiliary ladder of the utility model is shunk;
Fig. 2 is the front view of special-purpose ladder when the auxiliary ladder of the utility model is unfolded;
Fig. 3 is the partial structure diagram of the main ladder in part and auxiliary ladder connection in the utility model;
Fig. 4 is the attachment structure schematic diagram of the main ladder in part, auxiliary ladder and support bar in the utility model;
Fig. 5 is the attachment structure schematic diagram of vertical slot and support bar in portion of secondary ladder in the utility model;
Fig. 6 is the structural schematic diagram of extension ladder in the utility model;
Fig. 7 is the enlarged drawing in Fig. 6 at A;
Fig. 8 is the configuration schematic diagram of terraced tail handgrip in the utility model;
Fig. 9 is the structural schematic diagram of terraced tail handgrip in the utility model;
Figure 10 is utility model works status diagram.
Label in attached drawing indicates are as follows:
1, the fixed device of terraced head;2, terraced body main body;21, main ladder;211, main terraced vertical bar;212, main terraced cross bar;22, auxiliary ladder; 221, auxiliary terraced vertical bar;24, vertical slot;25, support bar;26, main terraced cross bar;27, interface;28, band iron piece;29, hook tabs;3, terraced tail Handgrip;31, round steel;32, grasping teeth;33, articulated section;34, torsional spring;4, fold mechanism;5, extension ladder;51, cleat stanchion unit;52, terraced Column;53, spreader;54, inner wall anti-falling piece;55, outer wall anti-falling piece;6, wire jumper;7, wire jumper insulator;8, cross-arm;9, fastening bolt.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1 to Figure 10, a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic, including the fixed device 1 of terraced head, can The terraced body main body 2 of folding retractable and terraced tail handgrip 3 for fixing wire jumper 6;One end of the fixed device 1 of ladder head and wire jumper It is fixedly connected in the middle part of the cross-arm 8 of 7 top of insulator, the other end is fixedly connected with terraced 2 upper end of body main body, and then special-purpose ladder is fixed On cross-arm 8;The ladder body main body 2 is made of main terraced 21 and auxiliary terraced 22;Auxiliary terraced 221 lateral wall of vertical bar of the one of described auxiliary terraced 22 is logical Several fold mechanisms 4 are crossed to be fixedly connected with main terraced 211 lateral wall of vertical bar;The fold mechanism 4 is a hinge;Auxiliary terraced 22 can surround The rotation of fold mechanism 4 is unfolded by terraced body main body 2;Described auxiliary terraced 22 another auxiliary terraced 221 inner sidewall of vertical bar opens up vertical slot 24, vertical slot 24 inner sidewalls successively hingedly fix several support bars 25 from top to bottom, and the length of vertical slot 24 is greater than the length of support bar 25, can be with Several support bars 25 are accommodated, the upper and lower side of any support bar 25 will not be Chong Die with the adjacent end in contact up and down of support bar 25, 25 movable end of support bar can be around main terraced cross bar 212 corresponding with position is fixed on after the hinge joint rotary expansion of 24 inner wall of vertical slot Interface 27 in, a fastening bolt 9 passes through the junction of main terraced cross bar 212 and support bar 25, so main terraced 21, auxiliary terraced 22 with The connection of support bar 25 forms triangle fixed mode, and auxiliary terraced 22 are bonded with main terraced 21;The ladder tail handgrip 3 is crossed by one The round steel 31 of two main terraced vertical bars 211 is fixed between 211 bottom of main terraced vertical bar.
Further, main terraced 21 bottom is fixedly connected with the extension ladder 5 for extending terraced 2 length of body main body;Institute It is equally fixed by crossing the round steel 31 of two vertical bars, 23 bottom end to state extension ladder 5, the extension ladder 5 includes that at least one is in door shape Cleat stanchion unit 51, each cleat stanchion unit 51 includes two hollow cleat stanchions 52 and a spreader 53, the both ends of spreader 53 point Not Lian Jie two cleat stanchions 52 one end;The cleat stanchion unit 51 being vertically connected with mutually is socketed, and it is equal to be socketed in external 52 upper end of cleat stanchion It is provided with inner wall anti-falling piece 54, internal 52 lower end of cleat stanchion is socketed in and is provided with outer wall anti-falling piece 55;The inner wall anti-falling piece 54 For locating snap ring on cleat stanchion in a ring, locating snap ring is detachably connected on cleat stanchion 52 on cleat stanchion;The outer wall anti-falling piece 55 be in Locating snap ring under the cleat stanchion of annular, locating snap ring is fixedly connected on 52 lower end of cleat stanchion under cleat stanchion, when needing to extend terraced body main body 2, draws Dynamic cleat stanchion unit 51, so that the cleat stanchion unit 51 being socketed up and down is separated from each other, inner wall anti-falling piece 54 and outer wall anti-falling piece 55 can block It closes in the fixed position in the junction of upper and lower cleat stanchion 52, and then extends main terraced 21 length downwards, it can when needing using extension ladder 5 Spreader 53 is pulled, extends extension ladder 5, cleat stanchion unit 51 setting up and down at this time is due to inner wall anti-falling piece 54 and outer wall anti-falling piece 55 Be mutually clamped the position that can fix upper and lower cleat stanchion unit 51, if do not use extension ladder 5, push cleat stanchion unit 51 shrink, Due to the presence of frictional force between upper and lower cleat stanchion 52, in the case where not by downward pulling force, underlying cleat stanchion unit 51 The cleat stanchion unit 51 being located above can be retracted into.
Further, described main terraced 21 main terraced 211 lateral walls of vertical bar far from hinge joint are fixedly connected with the band iron of " L " type Piece 28, one end of band iron piece 28 are fixedly connected with main terraced 211 side wall of vertical bar, and the other end and main terraced vertical bar 211 are enclosed opening Upward card slot;Described auxiliary terraced 22 auxiliary terraced 221 lateral walls of vertical bar far from hinge joint are hinged with " one " type hook tabs 29, and hook tabs 29 surrounds It can be fastened on after hinge joint rotation in the card slot that band iron piece 28 and auxiliary terraced 221 lateral wall of vertical bar are enclosed, the main ladder after contraction 21 and auxiliary terraced 22 can be fixed by the cooperation of band iron piece 28 and hook tabs 29.
Further, the terraced tail handgrip 3 includes two rows of hinged grasping teeths 32, the grasping teeth 32 upper piece respectively symmetrically set There are two pairs backwards to the articulated section 33 that grasping teeth 32 extends, the round steel 31 grabs fixed ladder tail after crossing the articulated section 33 that two pairs are overlapped Hand 3 is also socketed with torsional spring 34 on the round steel 31 between two pairs of articulated sections 33, realizes the fixed wire jumper 6 of folding of terraced tail handgrip 3.
Further, the fixed device 1 of terraced head is two point coupling type, including crosses 211 upper end of main terraced vertical bar by one Round steel 31 be separately fixed at the double hook 11 in main 211 outside of terraced vertical bar, double hook 11 is hung on the cross-arm 8 of 7 top of wire jumper insulator, And then dedicated hard ladder is fixed on to the region between cross-arm 8 and wire jumper 6.
Working principle of the utility model is:
Firstly, the double hook 11 of the fixed device 1 of terraced head is hooked in wire jumper insulator when overhauling wire jumper route using the special-purpose ladder On the cross-arm 8 of 7 tops, the grasping teeth 32 of terraced tail handgrip 3 catches the wire jumper 6 of 7 lower section of wire jumper insulator, and then special-purpose ladder is fixed on Between cross-arm 8 and wire jumper 6, operator can the progress inspection operation of ladder stand body main body 2;
Secondly, rotating and taking from the band iron piece 28 of main terraced 21 vertical bar, 23 lateral wall when needing to adjust line maintenance direction Hook tabs 29 out, after the rotation of fold mechanism 4, it is perpendicular that taking-up is fixed on auxiliary terraced 22 side wall for expansion main terraced 21 and auxiliary terraced 22, auxiliary terraced 22 Support bar 25 in slot 24, support bar 25 can surround and vertical slot 24 hinge joint rotation after insertion it is corresponding with 25 position of support bar The interface 27 opened up on main terraced cross bar 212 on main terraced 21 is consolidated support bar 25 and main terraced cross bar 212 by fastening bolt 9 It is fixed, so that winner's ladder 21, auxiliary terraced 22 and support bar 25 is formed triangle fixed mode, auxiliary terraced 22 is bonded with main terraced 21, operation Personnel can change direction to auxiliary terraced 22 from main terraced 21 climbing and carry out upkeep operation;
Finally, if desired maintenance length different wire jumper route when, can according between specific cross-arm 8 and wire jumper 6 away from From deciding whether to extend main terraced 21 extension ladders 5 to place an order, if desired extend extension ladder 5, can pull downward on be located at it is most lower The cleat stanchion unit 51 of layer passes through inner wall anti-falling piece 54 and outer wall anti-falling piece 55, Neng Goubao between the cleat stanchion unit 51 being socketed up and down Opposite slide does not occur between cleat stanchion unit 51 above and below card.
Above-described embodiment is the better embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing In generation, simplifies combination, should be equivalent substitute mode, is included in the protection scope of the utility model.

Claims (7)

1. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic, it is characterised in that: including terraced head fixed device (1), can roll over Fold the terraced body main body (2) stretched and the terraced tail handgrip (3) for fixing wire jumper (6);One end of the ladder head fixed device (1) It is fixedly connected in the middle part of the cross-arm (8) above wire jumper insulator (7), the other end is fixedly connected with terraced body main body (2) upper end;It is described Terraced body main body (2) is made of main terraced (21) and auxiliary terraced (22);The auxiliary terraced vertical bar (221) of the one of auxiliary terraced (22) is if lateral wall passes through Dry fold mechanism (4) is fixedly connected with main terraced vertical bar (211) lateral wall of main terraced (21);Another auxiliary ladder of auxiliary terraced (22) Vertical bar (221) inner sidewall opens up vertical slot (24), and vertical slot (24) inner sidewall successively hingedly fixes several support bars (25) from top to bottom, It is fixed on after the expansion of support bar (25) movable end in the interface (27) of the corresponding main terraced cross bar (212) in position, and then main ladder (21), auxiliary terraced (22) connect to form triangle fixed mode with support bar (25);The ladder tail handgrip (3) crosses two main ladders by one The round steel (31) of vertical bar (211) is fixed between the main terraced vertical bar (211) in main terraced (21) bottom end two.
2. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as described in claim 1, it is characterised in that: the main ladder (21) bottom is fixedly connected with the extension ladder (5) for extending terraced body main body (2) length;The extension ladder (5) is by crossing The round steel (31) of two main terraced vertical bar (211) bottom ends is fixed, including at least one in the cleat stanchion unit (51) of door shape, Mei Geti Pole unit (51) includes that two hollow cleat stanchions (52) and a spreader (53), the both ends of spreader (53) are separately connected two ladders One end of column (52);The cleat stanchion unit (51) being vertically connected with mutually is socketed, and is socketed in external cleat stanchion (52) upper end and is provided with Inner wall anti-falling piece (54) is socketed in internal cleat stanchion (52) lower end and is provided with outer wall anti-falling piece (55).
3. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as claimed in claim 2, it is characterised in that: the inner wall Anti-falling piece (54) is locating snap ring on cleat stanchion in a ring, and locating snap ring is detachably connected on cleat stanchion (52) on cleat stanchion;The outer wall Anti-falling piece (55) is locating snap ring under cleat stanchion in a ring, and locating snap ring is fixedly connected on cleat stanchion (52) lower end under cleat stanchion.
4. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as described in claim 1, it is characterised in that: the folding Mechanism (4) is hinge.
5. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as claimed in claim 4, it is characterised in that: the main ladder (21) main terraced vertical bar (211) lateral wall far from hinge joint is fixedly connected with the band iron piece (28) of " L " type, and the one of band iron piece (28) End is fixedly connected with main terraced vertical bar (211) side wall, and the other end is enclosed the card slot of opening upwards with main terraced vertical bar (211);Institute It states auxiliary terraced (22) and is hinged with " one " type hook tabs (29), the main ladder after contraction far from auxiliary terraced vertical bar (221) lateral wall of hinge joint (21) it can be fixed by the cooperation of band iron piece (28) and hook tabs (29) with auxiliary terraced (22).
6. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as described in claim 1, it is characterised in that: the ladder tail Handgrip (3) includes two rows of hinged grasping teeth (32), the grasping teeth (32) upper piece be equipped with two pairs of articulated sections (33), it is described Round steel (31) crosses after two pairs of articulated sections (33) of overlapping the round steel by fixed ladder tail handgrip (3), between two pairs of articulated sections (33) (31) it is also socketed on torsional spring (34), realizes that the folding of terraced tail handgrip (3) is fixed wire jumper (6).
7. a kind of wire jumper line maintenance special-purpose ladder of foldable telescopic as described in claim 1, it is characterised in that: the ladder head Fixed device (1) is two point coupling type, and the round steel (31) including crossing two main terraced vertical bar (211) upper ends by one is separately fixed at Double hook (11) on the outside of main ladder vertical bar (211), double hook (11) are hung on the cross-arm (8) above wire jumper insulator (7), and then will be special Region between cross-arm (8) and wire jumper (6) is fixed on hard ladder.
CN201920289009.7U 2019-03-07 2019-03-07 A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic Active CN209724200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920289009.7U CN209724200U (en) 2019-03-07 2019-03-07 A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920289009.7U CN209724200U (en) 2019-03-07 2019-03-07 A kind of wire jumper line maintenance special-purpose ladder of foldable telescopic

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112707050A (en) * 2020-12-16 2021-04-27 温州永高食品有限公司 Storage rack for food freezer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112707050A (en) * 2020-12-16 2021-04-27 温州永高食品有限公司 Storage rack for food freezer

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