CN111064125B - Assembly type stringing distribution construction method and line lifting tackle - Google Patents
Assembly type stringing distribution construction method and line lifting tackle Download PDFInfo
- Publication number
- CN111064125B CN111064125B CN202010091372.5A CN202010091372A CN111064125B CN 111064125 B CN111064125 B CN 111064125B CN 202010091372 A CN202010091372 A CN 202010091372A CN 111064125 B CN111064125 B CN 111064125B
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- paying
- rolling body
- pin shaft
- rolling
- wire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
Abstract
The invention relates to an assembly type stringing distribution construction method and a stringing pulley, wherein the stringing pulley comprises a lifting mechanism, the action output end of the lifting mechanism is connected with a stringing device, the stringing device comprises a front stringing rolling body and a rear stringing rolling body which are arranged at intervals, and a connecting space for connecting a suspension wire clamp and a split conductor is arranged between the front stringing rolling body and the rear stringing rolling body. The invention solves the technical problems of space occupation size and inconvenient operation of the pay-off tackle and the lifting mechanism which are separately arranged in the prior art, and also provides the wire lifting tackle used in the assembly type stringing distribution construction method.
Description
Technical Field
The invention relates to an assembly type stringing distribution construction method and a stringing pulley in the field of iron tower stringing.
Background
The existing iron tower stringing structure is shown in fig. 1-2, an insulator string 1 is hung on an iron tower, the lower end of the insulator string 1 is connected with a connecting plate 2, the connecting plate 2 is connected with a plurality of suspension clamps 4 in a hanging mode through bolts 3, and each split conductor 5 is connected with the corresponding suspension clamp 4.
The paying-off process of the split conductor is as shown in figures 3-4, firstly, a paying-off pulley 7 is connected to an insulator string 1, after the split conductor 5 is paid off through a pulley 8 on the paying-off pulley, the corresponding split conductor 5 is hooked through a lifting mechanism 6, the height of the split conductor is lifted, then a suspension clamp 4 is connected to the corresponding position of the split conductor, the lifting mechanism lifts the height of the suspension clamp to the position of the corresponding height of a connecting plate, the suspension clamp 4 is connected to the connecting plate 2, and therefore the split conductor 5 and the connecting plate 2 are connected.
The problems of the prior pay-off form are that: to accomplish the connection of split conductor and yoke plate, need use unwrapping wire coaster and hoist mechanism, the unwrapping wire coaster and the hoist mechanism that the components of a whole that can function independently set up occupy great dimensional space, and the structure is complicated, very inconvenient to high altitude construction.
Disclosure of Invention
The invention aims to provide an assembly type stringing distribution construction method, which aims to solve the technical problems that a stringing pulley and a lifting mechanism which are separately arranged in the prior art occupy space and are inconvenient to operate; the invention also aims to provide a wire lifting pulley used in the fabricated stringing distribution construction method.
In order to solve the technical problems, the technical scheme of the wire lifting tackle is as follows:
the wire lifting tackle comprises a lifting mechanism, a wire releasing device is connected to the action output end of the lifting mechanism, the wire releasing device comprises a front wire releasing rolling body and a rear wire releasing rolling body which are arranged at a front-back interval, and a connecting space for connecting the suspension wire clamp and the split conductor is formed between the front wire releasing rolling body and the rear wire releasing rolling body.
The pay-off device also comprises a rolling body support for mounting the front pay-off rolling body and the rear pay-off rolling body, and the action output end of the lifting mechanism comprises a front pull rope connected with the front end of the rolling body support and a rear pull rope connected with the rear end of the rolling body support.
When the lifting mechanism lifts the front paying-off rolling body and the rear paying-off rolling body, the contact positions of the front paying-off rolling body and the rear paying-off rolling body and the split conductor are consistent in height.
The rolling element support comprises a left support plate and a right support plate, and the front paying-off rolling element and the rear paying-off rolling element are arranged between the left support plate and the right support plate.
And the peripheries of the front paying-off rolling body and the rear paying-off rolling body are provided with a wire groove which is used for being in friction rolling fit with the corresponding split wire.
The technical scheme of the assembly type stringing distribution construction method is as follows:
the method comprises the following steps that firstly, the corresponding split conductor is paid off through a front paying-off rolling body and a rear paying-off rolling body of a wire lifting pulley; secondly, connecting a suspension clamp on a split conductor between the front paying-off rolling body and the rear paying-off rolling body, lifting the heights of the front paying-off rolling body and the rear paying-off rolling body by a lifting mechanism until the suspension clamp reaches the corresponding height on the yoke plate, and connecting the suspension clamp with the yoke plate; and thirdly, lowering the height of the front paying-off rolling body and the height of the rear paying-off rolling body by the lifting mechanism, and repeating the first step and the second step to finish the connection of other split conductors and the connecting plate.
The invention has the beneficial effects that: according to the invention, the front paying-off rolling body and the rear paying-off rolling body of the wire lifting pulley can complete the normal paying-off process of the split conductor, after the split conductor passes through the front paying-off rolling body and the rear paying-off rolling body, a connecting space for connecting the suspension clamp and the split conductor is formed between the front paying-off rolling body and the rear paying-off rolling body, so that the connection of the suspension clamp and the split conductor can be completed in the connecting space, the height of the suspension clamp is increased by increasing the heights of the front paying-off rolling body and the rear paying-off rolling body by a lifting mechanism until the suspension clamp is installed on a connecting plate, and the wire lifting pulley completes the functions of paying-off and height lifting of the suspension clamp.
Drawings
FIG. 1 is a schematic view of a prior art split conductor to yoke plate connection;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic diagram of a split conductor wiring in the prior art;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a view of the present invention showing the use of one embodiment of the line block;
FIG. 6 is a schematic view of the front auxiliary unwinding wheel and the rear auxiliary unwinding wheel of FIG. 5 in a state of being turned over to a wire lifting position;
fig. 7 is a schematic view of the engagement of the laterally lifting tackle of fig. 6 with the yoke plate.
Detailed Description
The wire lifting tackle disclosed by the invention is shown in figures 5-7: including hoist mechanism, hoist mechanism includes the reel 10 by gear motor drive, the iron tower is installed to the reel during use, the winding has front side stay cord 11 and the rear side stay cord 12 of synchronous lift action on the reel, front side stay cord 11, rear side stay cord 12 constitutes hoist mechanism's action output, be connected with pay-off on the action output, pay-off includes the rolling element support, the rolling element support includes left side mounting panel 13 and right side mounting panel 14, pay-off is still including installing in left side mounting panel, the preceding unwrapping wire rolling element 15 and the back unwrapping wire rolling element 20 of interval arrangement around between the right side mounting panel, preceding unwrapping wire rolling element, the axis of rotation of back unwrapping wire rolling element extends the setting along left and right directions, front side stay cord 11 links to each other with left side mounting panel 13, rear side stay cord 12 links to each other with right side mounting panel 14. The front paying-off rolling body 15 and the rear paying-off rolling body 20 are paying-off wheels with the same diameter, and a connecting space for connecting the suspension clamp with the split conductor is formed between the front paying-off rolling body and the rear paying-off rolling body.
In this embodiment, the paying-off device further includes a front swing link 16 coaxially disposed with the front paying-off rolling element 15 and a rear swing link 24 coaxially disposed with the rear paying-off rolling element 20, one end of the front swing link 16 away from the front paying-off rolling element 15 is rotatably assembled with a front auxiliary paying-off wheel 17, that is, the front auxiliary paying-off wheel is located at the rear end of the front swing link, one end of the rear swing link 24 away from the rear paying-off rolling element 20 is rotatably assembled with a rear auxiliary paying-off wheel 18, the rear auxiliary paying-off wheel is located at the front end of the rear swing link, in this embodiment, the diameters of the front auxiliary paying-off wheel 17 and the rear auxiliary paying-off wheel 18 are consistent with the diameters of the front paying-off rolling element 15 and the rear paying-off rolling element 20, and the peripheries of the. The rolling main body support is provided with a support first pin shaft hole 21 which is arranged corresponding to the front swing rod 16 and the axis of which extends along the left-right direction, and a support second pin shaft hole 25 which is arranged corresponding to the rear swing rod and the axis of which extends along the left-right direction, the front swing rod is provided with a front swing rod pin shaft hole 22 corresponding to the support first pin shaft hole, and the rear swing rod is provided with a rear swing rod pin shaft hole 26 corresponding to the support second pin shaft hole.
When the front swing rod type pay-off device is used, the front pin shaft 30 is inserted into the pin shaft hole of the front swing rod and the first pin shaft hole of the bracket, the front auxiliary pay-off wheel can be limited at a pay-off position higher than the front pay-off rolling body, when the front pin shaft 30 is pulled out, the front swing rod turns downwards, and the front auxiliary pay-off wheel turns to a wire lifting position lower than the front pay-off rolling body; similarly, a rear pin shaft 18 is inserted into the pin shaft hole of the rear swing rod and the second pin shaft hole of the bracket, the rear auxiliary paying-off wheel can be limited at a paying-off position higher than the front paying-off rolling body, when the rear pin shaft is pulled out, the rear swing rod turns downwards, the rear auxiliary paying-off wheel turns to a wire lifting position lower than the rear paying-off rolling body, when the front auxiliary paying-off wheel and the rear auxiliary paying-off wheel are at a higher paying-off position, normal paying-off of the split conductor 5 can be carried out, as shown in fig. 5, the split conductor passes through the front paying-off rolling body, the front auxiliary paying-off wheel, the rear auxiliary paying-off wheel and the rear paying-off rolling body, the four paying-off wheels are matched for paying off together, the four paying-off wheels are equivalent to a paying-off wheel with a larger diameter, the paying-off radius of the paying-off wheel is increased, the transition bending of the split conductor, damage may result during the paying-off process of the split conductor, separation between the insulation sheath and the metal conductor may result in the split conductor having the insulation sheath, and fluffiness and incompact between the metal conductor wires in the split conductor without the insulation sheath.
When the wire lifting operation is needed after the paying-off is finished, the front pin shaft 30 and the rear pin shaft 19 are pulled out, the front auxiliary paying-off wheel 17 and the rear auxiliary paying-off wheel 18 are turned downwards to a wire lifting position, the contact positions of the front paying-off rolling body 15 and the rear paying-off rolling body 20 and the split conductor 5 are consistent, namely the split conductor between the paying-off rolling body and the split conductor is horizontal, the front paying-off rolling body and the rear paying-off rolling body are separated, so that a connecting space for connecting the suspension clamp and the split conductor is formed, the suspension clamp 4 and the split conductor 5 are connected in the connecting space, as shown in figure 6, then the lifting mechanism lifts the heights of the split conductor and the corresponding suspension clamp by lifting the height of the paying-off device until the suspension clamp is lifted to the corresponding connecting position on the yoke plate, the suspension clamp is connected with the yoke plate through bolts, and the connection of the split conductor and the yoke plate is realized, the next split conductor can then be paid off and lifted at the level of the pay-off device.
In other embodiments of the invention: the front auxiliary paying-off wheel and the rear auxiliary paying-off wheel can be omitted; the front side pull rope and the rear side pull rope can be respectively lifted by the corresponding winding drums; the front paying-off rolling body, the front side auxiliary paying-off wheel, the rear side auxiliary paying-off wheel and the rear paying-off rolling body can also be crawler wheels.
An embodiment of an assembly type stringing distribution construction method is shown in fig. 5 to 7: the method comprises the following steps that firstly, the corresponding split conductor is paid off through a front paying-off rolling body and a rear paying-off rolling body of a wire lifting pulley; the specific structure of the wire lifting pulley is the same as that of the wire lifting pulleys in the embodiments of the wire lifting pulley, and the detailed description is omitted, in the second step, a suspension wire clamp is connected to a split conductor between the front paying-off rolling body and the rear paying-off rolling body, and the lifting mechanism lifts the heights of the front paying-off rolling body and the rear paying-off rolling body until the suspension wire clamp is correspondingly high on the connecting plate, so that the suspension wire clamp is connected with the connecting plate; and thirdly, lowering the height of the front paying-off rolling body and the height of the rear paying-off rolling body by the lifting mechanism, and repeating the first step and the second step to finish the connection of other split conductors and the connecting plate.
In the first step, when the split conductor is subjected to paying-off operation, the front auxiliary paying-off wheel and the rear auxiliary paying-off wheel are in paying-off positions, and in the second step, the front auxiliary paying-off wheel and the rear auxiliary paying-off wheel are turned down to a wire lifting position before the suspension clamp is connected to the split conductor.
Claims (6)
1. Carry line coaster, its characterized in that: including hoist mechanism, connect pay-off on hoist mechanism's the action output, pay-off is including the preceding unwrapping wire rolling element and the unwrapping wire rolling element of back and forth interval arrangement, pay-off is still including supplying preceding unwrapping wire rolling element, the rolling element support of unwrapping wire rolling element installation after, preceding unwrapping wire rolling element, have the connection space that is used for suspension clamp and split conductor to be connected between the unwrapping wire rolling element, pay-off still includes the preceding pendulum rod that sets up with preceding unwrapping wire rolling element coaxial line and the back pendulum rod that sets up with back unwrapping wire rolling element coaxial line, the one end that preceding unwrapping wire rolling element was kept away from to preceding pendulum rod is rotated and is equipped with the supplementary actinobacillus wheel of front side, the supplementary actinobacillus wheel of front side is in the rear side of rotating and is equipped with the supplementary actinobacillus wheel of rear side, the supplementary actinobacillus wheel of rear side is in the front end of back pendulum rod, be provided with the support first round pin shaft hole and the The front swing rod is provided with a front swing rod pin shaft hole corresponding to the support first pin shaft hole, the rear swing rod is provided with a rear swing rod pin shaft hole corresponding to the support second pin shaft hole, a front pin shaft is inserted into the front swing rod pin shaft hole and the support first pin shaft hole, the front auxiliary paying-off wheel is limited at a paying-off position higher than the front paying-off rolling body, when the front pin shaft is pulled out, the front swing rod turns downwards, and the front auxiliary paying-off wheel turns to a wire lifting position lower than the front paying-off rolling body; and a rear pin shaft is inserted into the rear swing rod pin shaft hole and the second pin shaft hole of the bracket, the rear auxiliary paying-off wheel is limited at a paying-off position higher than the rear paying-off rolling body, when the rear pin shaft is pulled out, the rear swing rod turns downwards, and the rear auxiliary paying-off wheel turns to a paying-off position lower than the rear paying-off rolling body.
2. The wire lifting block of claim 1, wherein: the action output end of the lifting mechanism comprises a front pull rope connected with the front end of the rolling body bracket and a rear pull rope connected with the rear end of the rolling body bracket.
3. The wire lifting block of claim 1, wherein: when the lifting mechanism lifts the front paying-off rolling body and the rear paying-off rolling body, the contact positions of the front paying-off rolling body and the rear paying-off rolling body and the split conductor are consistent in height.
4. The wire lifting block of claim 2, wherein: the rolling element support comprises a left support plate and a right support plate, and the front paying-off rolling element and the rear paying-off rolling element are arranged between the left support plate and the right support plate.
5. A wire lifting tackle as claimed in any one of claims 1 to 4, wherein: and the peripheries of the front paying-off rolling body and the rear paying-off rolling body are provided with a wire groove which is used for being in friction rolling fit with the corresponding split wire.
6. An assembly type stringing distribution construction method using the wire lifting tackle as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps that firstly, the corresponding split conductor is paid off through a front paying-off rolling body and a rear paying-off rolling body of a wire lifting pulley; secondly, connecting a suspension clamp on a split conductor between the front paying-off rolling body and the rear paying-off rolling body, lifting the heights of the front paying-off rolling body and the rear paying-off rolling body by a lifting mechanism until the suspension clamp reaches the corresponding height on the yoke plate, and connecting the suspension clamp with the yoke plate; and thirdly, lowering the height of the front paying-off rolling body and the height of the rear paying-off rolling body by the lifting mechanism, and repeating the first step and the second step to finish the connection of other split conductors and the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010091372.5A CN111064125B (en) | 2020-02-13 | 2020-02-13 | Assembly type stringing distribution construction method and line lifting tackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010091372.5A CN111064125B (en) | 2020-02-13 | 2020-02-13 | Assembly type stringing distribution construction method and line lifting tackle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111064125A CN111064125A (en) | 2020-04-24 |
| CN111064125B true CN111064125B (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010091372.5A Active CN111064125B (en) | 2020-02-13 | 2020-02-13 | Assembly type stringing distribution construction method and line lifting tackle |
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| Country | Link |
|---|---|
| CN (1) | CN111064125B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02266810A (en) * | 1989-04-04 | 1990-10-31 | Yasuda Seisakusho Co Ltd | Cable hanger |
| WO1998016981A1 (en) * | 1996-10-14 | 1998-04-23 | Ensto Sekko Oy | Method and apparatus for mounting wires of high-voltage open cables, especially optical ground wires, on suspenders set up therefor |
| CN103560437A (en) * | 2013-11-16 | 2014-02-05 | 国家电网公司 | Mounting method for optical cable tackle suspension and accessories thereof based on two single-wheel tackles |
| CN203617619U (en) * | 2013-12-09 | 2014-05-28 | 中国南方电网有限责任公司超高压输电公司安宁局 | Transmission tackle for strain insulator string of +/- 800KV DC transmission line |
| CN206060035U (en) * | 2016-07-25 | 2017-03-29 | 广西送变电建设公司 | A kind of releasing pulley hanger |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202353095U (en) * | 2011-11-30 | 2012-07-25 | 湖北省输变电工程公司 | Wire lifting arrangement structure for 8-bundled conductors on straight-path tower |
| CN202917897U (en) * | 2012-12-06 | 2013-05-01 | 衡水供电公司 | Cable hoisting horizontal pulley |
| CN103515860A (en) * | 2013-10-23 | 2014-01-15 | 国家电网公司 | Double-pulley hanging method for synchronously unfolding ultrahigh-voltage multi-bundled conductor |
| CN203632085U (en) * | 2013-11-26 | 2014-06-04 | 国家电网公司 | Detachable double-pulley device |
| CN104466791A (en) * | 2014-11-17 | 2015-03-25 | 国家电网公司 | Pay-off guide device for power |
| CN105186378A (en) * | 2015-10-19 | 2015-12-23 | 江苏省电力公司南京供电公司 | Power transmission line channel crossing protection mechanism |
-
2020
- 2020-02-13 CN CN202010091372.5A patent/CN111064125B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02266810A (en) * | 1989-04-04 | 1990-10-31 | Yasuda Seisakusho Co Ltd | Cable hanger |
| WO1998016981A1 (en) * | 1996-10-14 | 1998-04-23 | Ensto Sekko Oy | Method and apparatus for mounting wires of high-voltage open cables, especially optical ground wires, on suspenders set up therefor |
| CN103560437A (en) * | 2013-11-16 | 2014-02-05 | 国家电网公司 | Mounting method for optical cable tackle suspension and accessories thereof based on two single-wheel tackles |
| CN203617619U (en) * | 2013-12-09 | 2014-05-28 | 中国南方电网有限责任公司超高压输电公司安宁局 | Transmission tackle for strain insulator string of +/- 800KV DC transmission line |
| CN206060035U (en) * | 2016-07-25 | 2017-03-29 | 广西送变电建设公司 | A kind of releasing pulley hanger |
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| Publication number | Publication date |
|---|---|
| CN111064125A (en) | 2020-04-24 |
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