CN105162043B - Distribution overhead line crosses over thread-changing wrap attachment and its application - Google Patents
Distribution overhead line crosses over thread-changing wrap attachment and its application Download PDFInfo
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- CN105162043B CN105162043B CN201510673428.7A CN201510673428A CN105162043B CN 105162043 B CN105162043 B CN 105162043B CN 201510673428 A CN201510673428 A CN 201510673428A CN 105162043 B CN105162043 B CN 105162043B
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- double pulleies
- thread
- changing
- wrap attachment
- fixed frame
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- 239000004020 conductor Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000000725 suspension Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000009401 outcrossing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Abstract
The present invention relates to a kind of distribution overhead line to cross over thread-changing wrap attachment and its application, including hoisting bracket and it is arranged on the drawing part of hoisting bracket bottom, the hoisting bracket includes top phase double pulleies unit, two side double pulleies units and telescopic strut, and the top phase double pulleies unit and two side double pulleies units are connected as triangular supports by telescopic strut.Wrap attachment of the present invention makes distribution line therethrough respectively by three double pulleies units, carry out crossing over thread-changing operation by the thread-changing mode of old tape new line, during whole thread-changing, wire can only all touch pulley up and down, be not in the situation of pulley upper and lower frames abrasion wire, improve security, the wrap attachment can adapt to the thread-changing operation of different conductor spacing simultaneously, it is versatile, and the wrap attachment is easy for operation, safety coefficient is high.
Description
Technical field
The present invention relates to a kind of distribution overhead line to cross over thread-changing wrap attachment and its application, belongs to electric power overhaul instrument skill
Art field.
Background technology
Rural power distribution overhead transmission line is because of its line properties reason, often across the intensive high-grade highway of vehicle, Ren Liuzan
Dynamic downtown area street corner and field etc., in the above location during restringing, it may appear that the peace of civil problem and vehicle and pedestrian
Full problem.And in existing thread-changing construction it is general using crossing frame, crane suspension ring, road closure envelope row is taken the methods of, present this
There is the problems such as time-consuming, laborious, costly in a little methods, influence efficiency of construction mostly, increase construction cost, mobility and flexibility
Deficiency, and there is by vehicle collision or injure by a crashing object the risk of pedestrian in crossing frame, crane etc. itself, it is impossible to thread-changing construction ground is crossed in guarantee
The safety of section.Meanwhile the condition of construction of 10kV distribution overhead lines across high-grade highway particularly I and II highway is relatively more
See, because vehicle flowrate is big, roadbed span is big, road traffic condition is complicated, and highway division is difficult to envelope row completely.
Therefore, need badly and develop a kind of distribution overhead line and cross over thread-changing wrap attachment, meet it is low to operating environment requirement, it is logical
Strong with property, cost is low, makes using simply, the high requirement of safety coefficient, is safely completed on the premise of road is ensured
Thread-changing construction operation.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of distribution overhead line and crosses over thread-changing wrap attachment.
The present invention also provides the application method that a kind of above-mentioned distribution overhead line crosses over thread-changing wrap attachment.
Technical scheme is as follows：
A kind of distribution overhead line crosses over thread-changing wrap attachment, including hoisting bracket and is arranged on hoisting bracket bottom
Drawing part, the hoisting bracket include top phase double pulleies unit, two side double pulleies units and telescopic strut, and the top phase is double sliding
Wheel group and two side double pulleies units are connected as triangular supports by telescopic strut.Wrap attachment of the present invention is double sliding by three
Wheel group makes distribution line therethrough respectively, carries out crossing over thread-changing operation by the thread-changing mode of old tape new line, is entirely changing
In line process, wire can only all touch pulley up and down, be not in the situation of pulley upper and lower frames abrasion wire, improve safety
Property.
Preferably, the top phase double pulleies unit includes fixed frame and two pulleys being symmetricly set in fixed frame,
The side of fixed frame is provided with active blade, is provided with suspension ring on the top of fixed frame, the both sides of bottom are arranged with U-shaped ring.
Preferably, the side double pulleies unit includes fixed frame and two pulleys being symmetricly set in fixed frame,
The side of fixed frame is provided with active blade, is provided with U-shaped ring on the top of fixed frame, bottom is provided with suspension ring.
Preferably, the telescopic strut includes round steel bar and connects the screw mandrel at round steel bar both ends, and one end of screw mandrel is provided with
Link, link are fixedly connected by bolt with U-shaped ring.
Preferably, multiple stop nuts are provided with screw mandrel.This design is advantageous in that stop nut is used for fixing silk
Bar, fixed for adjusting the position after screw mandrel precession round steel bar, so as to the length of fixed telescopic strut.
Preferably, the both ends of the round steel bar are respectively equipped with reinforcing nut, and screw mandrel connects after nut is reinforced with round steel bar
Connect.This design is advantageous in that, when screw mandrel is connected with the threaded one end of round steel bar, screw mandrel and round steel can be strengthened by reinforcing nut
The intensity of bar connection end, further improve the fastness and security of hoisting bracket.
Preferably, described telescopic strut, the both ends of telescopic strut are also associated with the bottom of two side double pulleies units
It is attached by the fixing nut being arranged on the double pulleies unit fixed frame of side.This design is advantageous in that, because side is double
The suspension ring connection drawing part of assembly pulley bottom, connection telescopic strut and the flexible branch on the top of side double pulleies unit in its bottom
Bar is corresponding, ensure that the stability of two side double pulleies units, also ensure that the resistance to overturning of triangular supports.
Preferably, the drawing part includes safety warning tape and crash bearer, and one end and side of safety warning tape are double sliding
The suspension ring connection of wheel group bottom, the other end are connected with crash bearer.
A kind of distribution overhead line crosses over the application method of thread-changing wrap attachment, comprises the following steps,
(1) wrap attachment is hung to electric pole top, opens the active blade of top phase double pulleies unit side, top phase is double sliding
Wheel is assembled into middle phase conductor；
(2) active blade of two sides double pulleies unit side is opened successively, and side double pulleies unit is loaded into side phase conductor；
(3) it is mobile after wrap attachment determines hoisting point position using security warning Tape movement wrap attachment to hoisting point position
Crash bearer is placed to fix suspension centre；
(4) using the thread-changing mode of old tape new line, with first side phase conductor, the order of rear middle phase conductor enters row conductor more
Change；
(5) after the completion of thread-changing, wrap attachment is moved to across at the electric pole of shelves side using safety warning tape, by wire from
Withdrawn from top phase double pulleies unit and side double pulleies unit, wrap attachment is hung down.
Preferably, in step (2), the position of two side double pulleies units is adjusted by adjusting the length of telescopic strut,
So that two side double pulleies units load side phase conductor.
The beneficial effects of the present invention are：
1. wrap attachment of the present invention can shorten across the working time at the thread-changing of thread-changing scene, can save across thread-changing construction cost
With, retrieve across thread-changing have a power failure caused by loss, good economic benefit can be obtained；
2. distribution overhead line can be reduced across the number of work of thread-changing demand, significantly drop using the wrap attachment of the present invention
The labor intensity of low staff, obtains personnel's benefit, and saving can be manually put into other O＆M service works；Pass through
The thread-changing construction working time is crossed in shortening, also reduces construction power off time, greatly improves power supply reliability.
3. wrap attachment smart structural design of the present invention, functional, degree of safety is high, can greatly ensure thread-changing operation
Process, its significant effect, effect is obvious, has good economic value and application value.
Brief description of the drawings
Fig. 1 is the overall structure diagram of wrap attachment of the present invention；
Fig. 2 a are the front view that phase double pulleies unit is pushed up in the present invention；
Fig. 2 b are the top view that phase double pulleies unit is pushed up in the present invention；
Fig. 3 a are the front view of side double pulleies unit in the present invention；
Fig. 3 b are the top view of side double pulleies unit in the present invention；
Fig. 3 c are the left view of side double pulleies unit in the present invention；
Fig. 4 is the structural representation of the telescopic strut of side double pulleies unit lower end in the present invention；
Fig. 5 is the position relationship schematic diagram of the telescopic strut of hoisting bracket in the present invention；
Wherein：1st, phase double pulleies unit is pushed up；2nd, side double pulleies unit；3rd, telescopic strut；4th, safety warning tape；5th, crash bearer；
101st, fixed frame；102nd, pulley；103rd, suspension ring；104th, active blade；105th, U-shaped ring；201st, fixed frame；202nd, pulley；203、U
Type ring；204th, suspension ring；205th, active blade；301st, round steel bar；302nd, nut is reinforced；303rd, stop nut；304th, screw mandrel；305、
Link；306th, nut.
Embodiment
The present invention will be further described by way of example and in conjunction with the accompanying drawings, but not limited to this.
Embodiment 1：
The present embodiment provides a kind of distribution overhead line and crosses over thread-changing wrap attachment, its overall structure as shown in figure 1, including
Hoisting bracket and the drawing part for being arranged on hoisting bracket bottom, it is double that hoisting bracket includes top 1, two side of phase double pulleies unit
Assembly pulley 2 and telescopic strut 3, top phase double pulleies unit 1 and two side double pulleies units 2 are connected as triangle by telescopic strut 3
Support.
Wherein, pushing up phase double pulleies unit 1 includes fixed frame 101 and two pulleys 102 being symmetrically mounted in fixed frame, and two
Passed through between individual pulley 102 for wire, wire only rotates friction with pulley during whole thread-changing, not with frame generation
Friction, reduces frictional resistance of the wire in moving process, while effectively protects wire, prevents that wire is excessive due to rubbing
Caused by abrasion, the side of fixed frame 101 is provided with opening, and opening is located between two pulleys, is easy to wire to be caught in two pulleys,
Active blade 104 is provided with the side of a side opening of fixed frame, one end and the fixed frame of active blade 104 are hinged, active catch
Piece can open or close opening, the purpose is to close active blade after wire is caught in two pulleys, prevent wire in movement
During slipped from two pulleys, in the top welding hanging ring 103 of fixed frame, the suspension ring 103 are conveniently used for filling on whole messenger wire
Put and sling high empty position, U-shaped ring 105 is symmetrically welded in the both sides of the bottom of fixed frame 101, U-shaped ring 105 is flexible for connecting
Pole.
Side double pulleies unit 2 includes fixed frame 201 and two pulleys 202 being symmetrically mounted in fixed frame, fixed frame
201 1 side openings, active blade 205, one end of active blade 205 and fixed frame are provided with the side of a side opening of fixed frame
201 is be hinged, and active blade 205 can open or close opening, and U-shaped ring 203, bottom welding are welded on the top of fixed frame 201
Suspension ring 204.Side double pulleies unit is substantially the same with pushing up the structure of phase double pulleies unit, and it distinguishes the installation for being U-shaped ring and suspension ring
Position is different, and the bottom of top phase double pulleies unit is symmetrical arranged two U-shaped rings, and is in vertical state, the top of side double pulleies unit
One U-shaped ring is only set, and is horizontal.
Telescopic strut 3 includes round steel bar 301 and connects the screw mandrel 304 at round steel bar both ends, the both ends processing of round steel bar 301
There is a hole, screw mandrel is threadedly coupled with silk hole, and one end of screw mandrel 304 is welded with spherical link 305, spacing provided with two on screw mandrel
Nut 303.After position after screw mandrel precession round steel bar is adjusted is fixed, stop nut 303 is tightened screw mandrel, so as to which fixation is stretched
The length of contracting pole.
When being combined into triangular supports, two U-shaped rings 105 of the bottom of top phase double pulleies unit 1 are stretched by bolt-through
The link 305 of pole is connected thereto, and the link of the other end 305 of telescopic strut 3 passes through bolt-through side double pulleies unit top
Horizontally U-shaped ring 203 be connected thereto, horizontal U is connected by the link at a telescopic strut both ends between two side double pulleies units
Type ring, between such three double pulleies units i.e. installation constitute triangular supports.
Safety warning tape 4, the bottom of safety warning tape 4 are hung on the suspension ring 204 of the bottom of two side double pulleies units
Connect crash bearer 5.During thread-changing, safety warning tape 4 can effectively play warning function, prevent the Pedestrians and vehicles on road from sending out
Raw security incident, improves the security in operation process.Crash bearer 5 can effectively protect wrap attachment steady in operation process
It is qualitative.
The wrap attachment that the present embodiment provides passes through flexible branch by the way of three groups of double pulleies units, by three groups of double pulleies units
Triangle support is combined in bar installation, and the length of side of the triangular supports, adjustable angle (are adjusted by telescopic strut
Section), the triangular supports is can adapt to the thread-changing operation of different conductor spacing.During operation, distinguished by three double pulleies units
Make distribution line therethrough, carry out crossing over thread-changing operation by the thread-changing mode of old tape new line, during whole thread-changing,
Wire can only all touch pulley up and down, be not in the situation of pulley upper and lower frames abrasion wire, improve security.
Embodiment 2：
The present embodiment provides a kind of distribution overhead line and crosses over thread-changing wrap attachment, and as described in Example 1, it is different for structure
Part is：The both ends of round steel bar 301 be welded with respectively reinforce nut 302, screw mandrel 304 through reinforce nut 302 after with round steel bar
301 threaded connections.In view of screw mandrel 304 and the connective stability of round steel bar 301, it is provided with the end of round steel bar and reinforces spiral shell
Mother 302, when screw mandrel is connected with the threaded one end of round steel bar, reinforcing nut 302 can strengthen screw mandrel 304 and connect with round steel bar 301
The intensity at end is connect, further improves the fastness and security of hoisting bracket.
Embodiment 3：
The present embodiment provides a kind of distribution overhead line and crosses over thread-changing wrap attachment, and as described in Example 1, it is different for structure
Part is：In order to ensure the structural stability of two side double pulleies units, it is also connected with the bottom of two side double pulleies units
There is described telescopic strut, and fixing nut is welded with the lower end of side double pulleies unit fixed frame, the screw mandrel of the telescopic strut
304 both ends are connected with nut 306, and the nut 306 plays fixation, when the screw mandrel 304 at telescopic strut both ends welds through both sides
After the fixing nut connect, by the nut 306 at screw mandrel both ends tighten and fix to connect.Due to side double pulleies unit bottom
Suspension ring connect drawing part, and in its bottom, connection telescopic strut is corresponding with the telescopic strut on the top of side double pulleies unit, protects
The stability of two side double pulleies units has been demonstrate,proved, also ensure that the resistance to overturning of triangular supports.
Embodiment 4：
The present embodiment provides a kind of distribution overhead line and 10kV distribution overhead lines is changed across thread-changing wrap attachment
Line, its operating process comprise the following steps,
(1) wrap attachment is hung to electric pole top using crane, opens the active blade of the side of top phase double pulleies unit 1
104, phase conductor during top phase double pulleies unit 1 is fitted into；
(2) length for first adjusting telescopic strut adjusts the position of two side double pulleies units 2, so that two sides are double sliding
Wheel group 2 can load side phase conductor, then open the active blade 205 of two sides double pulleies unit side successively, and side is double
Assembly pulley 2 loads side phase conductor；
(3) wrap attachment is moved to hoisting point position using safety warning tape 4, after wrap attachment determines hoisting point position, move
It is dynamic to place crash bearer 5 to fix suspension centre；
(4) using the thread-changing mode of old tape new line, with first side phase conductor, the order of rear middle phase conductor enters row conductor more
Change；
(5) after the completion of thread-changing, wrap attachment is moved to across at the electric pole of shelves side using safety warning tape 4, by wire
Withdrawn from from top phase double pulleies unit 1 and side double pulleies unit 2, wrap attachment is hung down, so far complete thread-changing operation.
Claims (7)
1. a kind of distribution overhead line crosses over thread-changing wrap attachment, it is characterised in that including hoisting bracket and is arranged on lifting
The drawing part of frame bottom, the hoisting bracket include top phase double pulleies unit, two side double pulleies units and telescopic strut, institute
State top phase double pulleies unit and two side double pulleies units are connected as triangular supports by telescopic strut；
The top phase double pulleies unit includes fixed frame and two pulleys being symmetricly set in fixed frame, in the side of fixed frame
Provided with active blade, suspension ring are provided with the top of fixed frame, the both sides of bottom are arranged with U-shaped ring；
The side double pulleies unit includes fixed frame and two pulleys being symmetricly set in fixed frame, in the side of fixed frame
Provided with active blade, U-shaped ring is provided with the top of fixed frame, bottom is provided with suspension ring；
The telescopic strut includes round steel bar and connects the screw mandrel at round steel bar both ends, and one end of screw mandrel is provided with link, and link leads to
Bolt is crossed to be fixedly connected with U-shaped ring.
2. distribution overhead line as claimed in claim 1 crosses over thread-changing wrap attachment, it is characterised in that is provided with screw mandrel more
Individual stop nut.
3. distribution overhead line as claimed in claim 1 crosses over thread-changing wrap attachment, it is characterised in that the two of the round steel bar
End is respectively equipped with reinforcing nut, and screw mandrel is connected after nut is reinforced with round steel bar.
4. distribution overhead line as claimed in claim 1 crosses over thread-changing wrap attachment, it is characterised in that double sliding two sides
The bottom of wheel group is also associated with described telescopic strut, and the both ends of telescopic strut are by being arranged on the double pulleies unit fixed frame of side
Fixing nut be attached.
5. distribution overhead line as claimed in claim 1 crosses over thread-changing wrap attachment, it is characterised in that the drawing part bag
Safety warning tape and crash bearer are included, one end of safety warning tape is connected with the suspension ring of side double pulleies unit bottom, and the other end is with preventing
Hit pier connection.
6. a kind of distribution overhead line as described in claim any one of 1-5 crosses over the application method of thread-changing wrap attachment, bag
Include following steps,
（1）The wrap attachment is hung to electric pole top, opens the active blade of top phase double pulleies unit side, phase double pulleies unit will be pushed up
Phase conductor in loading；
（2）The active blade of two sides double pulleies unit side is opened successively, and side double pulleies unit is loaded into side phase conductor；
（3）It is mobile to place after wrap attachment determines hoisting point position using security warning Tape movement wrap attachment to hoisting point position
Good crash bearer is to fix suspension centre；
（4）Using the thread-changing mode of old tape new line, with first side phase conductor, the order of rear middle phase conductor carries out wire replacing；
（5）After the completion of thread-changing, wrap attachment is moved to across at the electric pole of shelves side using safety warning tape, by wire from top phase
Withdrawn from double pulleies unit and side double pulleies unit, wrap attachment is hung down.
7. distribution overhead line as claimed in claim 6 crosses over the application method of thread-changing wrap attachment, it is characterised in that step
（2）In, the position of two side double pulleies units is adjusted by adjusting the length of telescopic strut, so that two side double pulleies units
Load side phase conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673428.7A CN105162043B (en) | 2015-10-15 | 2015-10-15 | Distribution overhead line crosses over thread-changing wrap attachment and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673428.7A CN105162043B (en) | 2015-10-15 | 2015-10-15 | Distribution overhead line crosses over thread-changing wrap attachment and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105162043A CN105162043A (en) | 2015-12-16 |
| CN105162043B true CN105162043B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510673428.7A Active CN105162043B (en) | 2015-10-15 | 2015-10-15 | Distribution overhead line crosses over thread-changing wrap attachment and its application |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421481A (en) * | 2020-10-26 | 2021-02-26 | 国网新疆电力有限公司吐鲁番供电公司 | Tackle device for treating foreign matters in electrified manner |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3819133B2 (en) * | 1997-11-28 | 2006-09-06 | 株式会社アイチコーポレーション | Boom lateral force calculation device |
| CN101436746B (en) * | 2008-08-12 | 2010-08-25 | 深圳市泛友科技有限公司 | Whole air-cooled end pump laser |
| CN201478738U (en) * | 2009-09-01 | 2010-05-19 | 代孟铎 | Multifunctional combined auxiliary support for line erection |
| CN201708479U (en) * | 2010-06-28 | 2011-01-12 | 河南省电力公司平顶山供电公司 | Cable stretching construction cross pulley |
| CN201868780U (en) * | 2010-10-18 | 2011-06-15 | 新疆电力公司乌鲁木齐电业局 | Insulating bracket for electrically hoisting and supporting lead |
| CN202423961U (en) * | 2011-11-17 | 2012-09-05 | 河南省电力公司安阳供电公司 | Triangular hook for leads |
| CN202616664U (en) * | 2012-05-18 | 2012-12-19 | 辽宁省电力有限公司鞍山供电公司 | Insulation wire lifter |
| CN102842869A (en) * | 2012-09-11 | 2012-12-26 | 武绍模 | Method for replacing overhead ground wire or conducting wire rapidly |
| CN202840375U (en) * | 2012-11-05 | 2013-03-27 | 衡水供电公司 | Insulating rod type wire winding device |
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