CN103594961A - Method for replacing cable - Google Patents
Method for replacing cable Download PDFInfo
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- CN103594961A CN103594961A CN201310533692.1A CN201310533692A CN103594961A CN 103594961 A CN103594961 A CN 103594961A CN 201310533692 A CN201310533692 A CN 201310533692A CN 103594961 A CN103594961 A CN 103594961A
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Abstract
The invention discloses a method for replacing a cable. The method includes the steps that any phase of a three-phase wire is firstly dismounted, fixed pulleys are hung on core-through screws of an electric pole cross arm respectively, a new wire is wound around the fixed pulley at one end, the old wire is wounded around the fixed pulley at the other end, and after wound around the fixed pulleys at the two ends respectively, the new wire and the old wire are connected with a wire tackle in an abutting against mode, respectively connected to a wire joint connector on the wire tackle and locked. According to the method for replacing the cable, the connecting mode of the new wire and the old wire is changed when the wire is replaced in the past, an original binding connection mode is changed to be detachable butt joint of the connector, using is very easy and convenient, the two wires different in size are just inserted into the connector in the corresponding size, bolts are locked, the connector is hung in a groove hole of the wire tackle, and the connection between the two wires different in size is completed immediately.
Description
Technical field
The present invention relates to a kind of cable replacing method, particularly a kind of
change the method for cable.
Background technology
Alpine terrain is many rivers, many mountains, circuit needs the situation of river crossing, col, sky way many, with a varied topography, a lot of places are also not suitable for setting up crossing frame, circuit middle part is difficult to find supporting point, cause large span circuit thread-changing to be changed in engineering, sag is large and with a varied topography, the wire side of staying easy to hang barrier.
In rural power grids upgrading process, needing the new wire of old wire replacing is widely known thing; when changing; often utilize the mode of connection of new and old joint in the past to carry out new and old wire replacing; this substitute mode; in the time of often can encountering wire replacing in the Renewal process of wire; during terminal across obstacle, blocked, joint damages other structures, and replacing speed waits many phenomenon slowly.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, and a kind of problem that wire is blocked at the work progress center tap of changing that can solve is provided, change the linking method of new and old joint in the past, use easier wire docking mode, improve the link speed of new and old wire, while simultaneously reducing unwrapping wire to greatest extent, wire is to a kind of damnous replacing cable method of structures and vegetation around.
A kind of replacing cable method, first pull down three-phase conducting wire A, arbitrary phase in B or C, suppose first to pull down A phase conductor, on the electric pole at A phase conductor two ends, respectively according to the method for loose ends, first with wire grip, tighten up the wire that will change, pull down strain clamp, on the adapter lug of electric pole cross-arm, hang up respectively fixed pulley, at one end with new wire, pass fixed pulley, the other end passes fixed pulley with old wire, when new wire and old wire are respectively through the fixed pulley at two ends, then new wire is docked with wire coaster with old wire, newly, old wire is connected on the terminal connector of wire coaster and locking, connecting rear wire coaster is hung on other arbitrary wire, the one end that hangs new wire slowly emits new wire with wire barrow by fixed pulley, hang one end of old wire through fixed pulley, adopt the method for manpower traction or mechanical traction slowly to pull old wire, again load onto strain clamp, A phase conductor thread-changing work is complete, then adopt identical method to complete respectively the wire thread-changing work of B phase and C phase.
Replacing cable method of the present invention, the mode of connection of new and old wire while having changed wire replacing in the past, by original bind, change into the docking of dismountable link head, uses very simple and convenient, as long as different two kinds of big or small wires, insert the link head of corresponding size, clamping screw, hangs the slotted eye into wire coaster, just immediately completes the connection of two kinds of big or small wires of difference.Bind method before contrast, the time can be saved 4 ~ 5 times, within approximately 2 minutes, just can complete connection.Because the joint of new and old wire is suspended on wire coaster, can not drop and cause card line on the ground, do not need to set up crossing frame yet and just can realize the replacing of new and old wire, can not work the mischief to building or the plant around wire.
Described wire coaster includes pulley yoke, be arranged on the pulley that can walk on pulley yoke on wire, on pulley yoke, be provided with the opening that can snap in wire, in open side, being provided with can be by the locking device of closure of openings, below pulley yoke, be provided with terminal link, the both sides of described terminal link are respectively arranged with for snapping in the draw-in groove of terminal connector, open side at draw-in groove is provided with detachable movable compressing tablet, one end of described terminal connector is provided with and can snaps in the draw-in groove of terminal link and be locked at the gland in draw-in groove, the other end of described terminal connector is provided with the jockey that can insert different model wire.
Wire coaster of the present invention, by being arranged on the opening on pulley yoke, this wire coaster can be snapped in to wire, then utilize locking device to be locked on wire, utilize terminal connector that new and old wire is connected respectively on terminal link, can select terminal according to the thickness of wire in use, then utilize the draw-in groove on terminal link to carry out the replacing of terminal connector, to improve the scope of application of wire coaster of the present invention.
The wire coaster of replacing cable of the present invention, the mode of connection of new and old wire while having changed wire replacing in the past, by original bind, change into the docking of dismountable link head, uses very simple and convenient, as long as different two kinds of big or small wires, insert the link head of corresponding size, clamping screw, hangs the slotted eye into wire coaster, just immediately completes the connection of two kinds of big or small wires of difference.Bind method before contrast, the time can be saved 4 ~ 5 times, within approximately 2 minutes, just can complete connection.Because the joint of new and old wire is suspended on wire coaster, can not drop and cause card line on the ground, do not need to set up crossing frame yet and just can realize the replacing of new and old wire, can not work the mischief to building or the plant around wire.
The gland of described terminal connector is a kind of spherical section header, is provided for holding the ball recess of spherical section header in the draw-in groove of terminal link.
Adopt this spherical section header, when carrying out new and old wire take-up or unwrapping wire, meet the situation of the circle that has some setbacks, under the effect of external force, bulb meeting automatic rotation, the circle that unwrapping wire is had some setbacks is opened straight automatically, avoids causing the stubborn broken lot of turning round of wire.
The jockey of the described terminal connector other end, for to be provided with the jack that holds wire in the end of terminal connector, is provided with for compressing wire on a sidewall of jack, prevents the set bolt that wire slides.
The jockey of the described terminal connector other end or carry out wire connection for wire joint pin being set in the end of terminal connector.
The locking device of described pulley yoke open side is for to be hinged with a stay in open side, one side of stay is hinged on pulley yoke, and opposite side is provided with through hole with pulley yoke bottom or adopts threaded connector be connected or adopt dark box type snap close to connect.
Described terminal link is for adopting coupling bar to hang on the bottom of pulley yoke.
Described coupling bar stretch out in pulley yoke and the exposed junction of coupling bar be provided with can with stay on the screw thread that is used in combination of through hole.
Pulley yoke open side stay is locked to the coupling bar of pulley yoke bottom, can greatly simplifies the structure of this wire coaster.
Described draw-in groove is column type draw-in groove, and draw-in groove side is provided with the terminal connector of bolt in can binding groove.
Described movable compressing tablet is for adopting threaded connector to be connected on terminal link.
In sum, the present invention's following advantage compared to existing technology:
The present invention changes the method for leading cable, the mode of connection of new and old wire while 1, changing wire replacing in the past, by original bind, change into the docking of dismountable link head, uses very simple and convenient, as long as different two kinds of big or small wires, insert the link head of corresponding size, clamping screw, hangs the slotted eye into wire coaster, just immediately completes the connection of two kinds of big or small wires of difference.Bind method before contrast, the time can be saved 4 ~ 5 times, within approximately 2 minutes, just can complete connection.
2, the gland of the terminal of wire coaster is arranged to ballhead, when new wire is emitted, meets the situation of the circle that has some setbacks, under the effect of external force, bulb meeting automatic rotation, the circle that unwrapping wire is had some setbacks is opened straight automatically, avoids causing the stubborn broken lot of turning round of wire.The circle that has some setbacks when the method for bind can not solve wire unwrapping wire is in the past adjusted the function along circle automatically.
3, wire coaster configures the conducting wire connector of variant model, can be suitable for the connection of the big or small wire of various differences, guarantees that connection is rapid, solid and reliable, can not come off.
4, wire connected device bulb is provided with notch compressing tablet, by rotation compressing tablet, can conveniently pack into and fech connection pipe, closes compressing tablet, can guarantee that tube connector can not come off, and uses very simple and convenient.
Accompanying drawing explanation
Fig. 1 is the front view of wire coaster of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the stereogram of wire coaster of the present invention.
Movable compressing tablet 3 terminal connector 31 jockeys of label declaration 1 pulley yoke 11 pulley 12 locking device 121 stay 2 terminal link 21 draw-in groove 22.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
A kind of replacing cable method, first pull down three-phase conducting wire A, arbitrary phase in B or C, suppose first to pull down A phase conductor, on the electric pole at A phase conductor two ends, respectively according to the method for loose ends, first with wire grip, tighten up the wire that will change, pull down strain clamp, on the adapter lug of electric pole cross-arm, hang up respectively fixed pulley, at one end with new wire, pass fixed pulley, the other end passes fixed pulley with old wire, when new wire and old wire are respectively through the fixed pulley at two ends, then new wire is docked with wire coaster with old wire, newly, old wire is connected on the terminal connector of wire coaster and locking, connecting rear wire coaster is hung on other arbitrary wire, the one end that hangs new wire slowly emits new wire with wire barrow by fixed pulley, hang one end of old wire through fixed pulley, adopt the method for manpower traction or mechanical traction slowly to pull old wire, again load onto strain clamp, A phase conductor thread-changing work is complete, then adopt identical method to complete respectively the wire thread-changing work of B phase and C phase.The wire coaster of described replacing cable, described wire coaster includes pulley yoke 1, be arranged on the pulley that can walk 11 on pulley yoke on wire, on pulley yoke, be provided with the opening that can snap in wire, in open side, being provided with can be by the locking device of closure of openings 12, below pulley yoke, be provided with terminal link 2, the both sides of described terminal link are respectively arranged with for snapping in the draw-in groove 21 of terminal connector 3, open side at draw-in groove is provided with detachable movable compressing tablet 22, one end of described terminal connector is provided with and can snaps in the draw-in groove of terminal link and be locked at the gland in draw-in groove, the other end of described terminal connector is provided with the jockey 31 that can insert different model wire.The gland of described terminal connector is a kind of spherical section header, is provided for holding the ball recess of spherical section header in the draw-in groove of terminal link.The jockey of the described terminal connector other end, for to be provided with the jack that holds wire in the end of terminal connector, is provided with for compressing wire on a sidewall of jack, prevents the set bolt that wire slides.The locking device of described pulley yoke open side is for to be hinged with a stay 121 in open side, and a side of stay is hinged on pulley yoke, and opposite side is provided with through hole with pulley yoke bottom or adopts threaded connector to be connected.Described terminal link is for adopting coupling bar to hang on the bottom of pulley yoke.Described coupling bar stretch out in pulley yoke and the exposed junction of coupling bar be provided with can with stay on the screw thread that is used in combination of through hole.Described draw-in groove is column type draw-in groove, and draw-in groove side is provided with the terminal connector of bolt in can binding groove.Described movable compressing tablet is for adopting threaded connector to be connected on terminal link.
It is same as the prior art that the present embodiment is not stated part.
Claims (10)
1. change cable method for one kind, it is characterized in that: first pull down three-phase conducting wire A, arbitrary phase in B or C, suppose first to pull down A phase conductor, on the electric pole at A phase conductor two ends, respectively according to the method for loose ends, first with wire grip, tighten up the wire that will change, pull down strain clamp, on the adapter lug of electric pole cross-arm, hang up respectively fixed pulley, at one end with new wire, pass fixed pulley, the other end passes fixed pulley with old wire, when new wire and old wire are respectively through the fixed pulley at two ends, then new wire is docked with wire coaster with old wire, newly, old wire is connected on the terminal connector of wire coaster and locking, connecting rear wire coaster is hung on other arbitrary wire, the one end that hangs new wire slowly emits new wire with wire barrow by fixed pulley, hang one end of old wire through fixed pulley, adopt the method for manpower traction or mechanical traction slowly to pull old wire, again load onto strain clamp, A phase conductor thread-changing work is complete, then adopt identical method to complete respectively the wire thread-changing work of B phase and C phase.
2. replacing cable method according to claim 1, it is characterized in that: described wire coaster includes pulley yoke, be arranged on the pulley that can walk on pulley yoke on wire, on pulley yoke, be provided with the opening that can snap in wire, in open side, being provided with can be by the locking device of closure of openings, below pulley yoke, be provided with terminal link, the both sides of described terminal link are respectively arranged with for snapping in the draw-in groove of terminal connector, open side at draw-in groove is provided with detachable movable compressing tablet, one end of described terminal connector is provided with and can snaps in the draw-in groove of terminal link and be locked at the gland in draw-in groove, the other end of described terminal connector is provided with the jockey that can insert different model wire.
3. replacing cable method according to claim 2, is characterized in that: the gland of described terminal connector is a kind of spherical section header, is provided for holding the ball recess of spherical section header in the draw-in groove of terminal link.
4. replacing cable method according to claim 3, it is characterized in that: the jockey of the described terminal connector other end is for being provided with the jack that holds wire in the end of terminal connector, on a sidewall of jack, be provided with for compressing wire, prevent the set bolt that wire slides.
5. replacing cable method according to claim 4, is characterized in that: the jockey of the described terminal connector other end or carry out wire connection for wire joint pin being set in the end of terminal connector.
6. replacing cable method according to claim 5, it is characterized in that: the locking device of described pulley yoke open side is for to be hinged with a stay in open side, one side of stay is hinged on pulley yoke, and opposite side is provided with through hole with pulley yoke bottom or adopts threaded connector be connected or adopt dark box type snap close to connect.
7. replacing cable method according to claim 6, is characterized in that: described terminal link is for adopting coupling bar to hang on the bottom of pulley yoke.
8. replacing cable method according to claim 7, is characterized in that: described coupling bar stretch out in pulley yoke and the exposed junction of coupling bar be provided with can with stay on the screw thread that is used in combination of through hole.
9. replacing cable method according to claim 8, is characterized in that: described draw-in groove is column type draw-in groove, and draw-in groove side is provided with the terminal connector of bolt in can binding groove.
10. replacing cable method according to claim 9, is characterized in that: described movable compressing tablet is for adopting threaded connector to be connected on terminal link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533692.1A CN103594961B (en) | 2013-11-01 | 2013-11-01 | A kind of method changing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533692.1A CN103594961B (en) | 2013-11-01 | 2013-11-01 | A kind of method changing cable |
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| Publication Number | Publication Date |
|---|---|
| CN103594961A true CN103594961A (en) | 2014-02-19 |
| CN103594961B CN103594961B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533692.1A Active CN103594961B (en) | 2013-11-01 | 2013-11-01 | A kind of method changing cable |
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| CN (1) | CN103594961B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037664A (en) * | 2014-06-27 | 2014-09-10 | 国家电网公司 | Net sealing trolley |
| CN105429055A (en) * | 2015-12-30 | 2016-03-23 | 国家电网公司 | Tackle for net weaving in high-voltage power transmission wire construction |
| CN106207869A (en) * | 2016-06-28 | 2016-12-07 | 江苏永太新能源科技有限公司 | One is touring drags collimation method construction technology |
| CN104377592B (en) * | 2014-11-26 | 2017-09-01 | 国网河南省电力公司平顶山供电公司 | 10kV overhead transmission lines fixed point installs docking facilities and circuit site-directed linking methods |
| CN113896033A (en) * | 2021-09-17 | 2022-01-07 | 国网河南省电力公司许昌市建安供电公司 | Power cable replacing method |
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| JPS61112510A (en) * | 1984-11-06 | 1986-05-30 | 住友電気工業株式会社 | Safe for re-stretching aerial line |
| JPH0569759A (en) * | 1991-09-10 | 1993-03-23 | East Japan Railway Co | Replacement for railway high voltage cable |
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| CN102480109A (en) * | 2010-11-29 | 2012-05-30 | 哈尔滨电业局 | Method for replacing 10 kV distribution line lead with load |
| CN102842869A (en) * | 2012-09-11 | 2012-12-26 | 武绍模 | Method for replacing overhead ground wire or conducting wire rapidly |
| CN203135316U (en) * | 2013-03-30 | 2013-08-14 | 国家电网公司 | Pulley-type single-conductor block |
| CN203166406U (en) * | 2013-03-28 | 2013-08-28 | 国家电网公司 | Device replacing overhead ground wire of high-voltage line |
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|---|---|---|---|---|
| JPS61112510A (en) * | 1984-11-06 | 1986-05-30 | 住友電気工業株式会社 | Safe for re-stretching aerial line |
| JPH0569759A (en) * | 1991-09-10 | 1993-03-23 | East Japan Railway Co | Replacement for railway high voltage cable |
| CN102044851A (en) * | 2009-10-22 | 2011-05-04 | 江苏藤仓亨通光电有限公司 | Method for replacing optical fiber composite overhead ground wire or common overhead ground wire without power outage |
| CN102480109A (en) * | 2010-11-29 | 2012-05-30 | 哈尔滨电业局 | Method for replacing 10 kV distribution line lead with load |
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| CN203135316U (en) * | 2013-03-30 | 2013-08-14 | 国家电网公司 | Pulley-type single-conductor block |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037664A (en) * | 2014-06-27 | 2014-09-10 | 国家电网公司 | Net sealing trolley |
| CN104377592B (en) * | 2014-11-26 | 2017-09-01 | 国网河南省电力公司平顶山供电公司 | 10kV overhead transmission lines fixed point installs docking facilities and circuit site-directed linking methods |
| CN105429055A (en) * | 2015-12-30 | 2016-03-23 | 国家电网公司 | Tackle for net weaving in high-voltage power transmission wire construction |
| CN106207869A (en) * | 2016-06-28 | 2016-12-07 | 江苏永太新能源科技有限公司 | One is touring drags collimation method construction technology |
| CN113896033A (en) * | 2021-09-17 | 2022-01-07 | 国网河南省电力公司许昌市建安供电公司 | Power cable replacing method |
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| Publication number | Publication date |
|---|---|
| CN103594961B (en) | 2016-08-24 |
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