CN104882821A - Rotation elevating apparatus of overhead ground wire of power transmission line - Google Patents
Rotation elevating apparatus of overhead ground wire of power transmission line Download PDFInfo
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- CN104882821A CN104882821A CN201510291510.3A CN201510291510A CN104882821A CN 104882821 A CN104882821 A CN 104882821A CN 201510291510 A CN201510291510 A CN 201510291510A CN 104882821 A CN104882821 A CN 104882821A
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- main body
- ground wire
- power transmission
- overhead ground
- transmission line
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Abstract
The invention discloses a rotation elevating apparatus of an overhead ground wire if a power transmission line. The rotation elevating apparatus comprises a main body vertical pipe, the upper end of the main body vertical pipe is provided with a sleeve wire hook ring, the left end and the right end of the sleeve wire hook ring are respectively provided with a left side steel stay cable and a right side steel stay cable, the lower end of the main body vertical pipe is hinged to a seat body, and the seat body is provided with a clamping mechanism capable of fixation to a power transmission tower. According to the invention, the lower portion of the main body vertical pipe is fixed on the angle iron of the power transmission iron tower through a U-shaped rotation seat, the upper portion of the main body vertical pipe is sleeved by the overhead ground wire, the overhead ground wire is transferred to the ground for maintenance through rotation of the main body vertical pipe, the repaired overhead ground wire can also be recovered to a normal state through upward rotation of the main body vertical pipe, the operation mode can be optimized, the operation process is simplified, and the efficiency and the safety of maintenance work are greatly improved.
Description
Technical field
The present invention relates to the service kit technical field of transmission line.
Background technology
In order to ensure the power supply safety of power transmission line, need to overhaul disconnected strand of overhead grounding wire timely, according to (company standard Q/GDW1799.2-2013 < State Grid Corporation of China of State Grid Corporation of China electric power safety working regulation > circuit pack the 13rd 13.3.8. article 13.3.8.1 article regulation, on the leading of continuous span, ground wire time hanging ladder (or driving), the cross section of its wire and ground wire require be: steel reinforced aluminium conductor aluminium alloy twisted wire is forbidden to be less than 120mm square millimeter; Steel strand wire are forbidden to be less than 50mm square millimeter, with afore mentioned rules be not inconsistent built on stiltsly to lead, hanging ladder forbidden by ground wire (or driving) upper people.According to (special teaching material (the power transmission lines overhauling of State Grid Corporation of China production skills personnel vocational ability training; Lead wire and earth wire maintenance (ZY0200201002) cleanup standard has five: (1) smoothing corner angle burr, (2) winding reinforcing method, (3) pre-twisted wire repairing method, (4) repairing repair sleeve method, (5) sawed-off reclosing.Overhead ground wire need land by five kinds of maintenance, because overhead ground wire steel tower adopts hot-rolled angle steel manufacture mostly, bolt assembling adopts space truss structure, ground wire hitch point and the cross-arm frame that spreads out is miter angle, ground wire spreads out behind frame inclined-plane falling to cross-arm, the ground wire of the adjacent two-way of shaft tower, its diameter is 50mm square millimeter, length is 600 meters, ground wire heavily about 0.38 ton, overhead ground wire due to adjacent towers bar produces makes a concerted effort, need make a concerted effort to push away through 4 people lifts to cross-arm head, high-altitude pushes away to lift very easily causes personnel hazard's action and personnel's injury, also because ground wire very easily causes secondary personnel to injure in the slip that tower bar cross-arm spreads out on frame inclined-plane.For solving such problem, in conjunction with the hitch point actual height of overhead ground wire on shaft tower, from operability, versatility and fail safe, development 110kv-500kv power transmission line overhead ground wire rotation and lifting instrument is very necessary.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of rotating lifting gear of power transmission line overhead ground wire, has structure simple, easily operates, and the overhead ground wire that need overhaul rotation that can be convenient and safe moves on to ground and carries out overhauling and restorable feature.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of power transmission line overhead ground wire rotating lifting gear, comprise main body standpipe, the upper end of described main body standpipe is provided with cover line shackle, left side steel cable and right side steel cable is respectively equipped with in the left and right sides of described cover line shackle, the lower end of main body standpipe and pedestal hinged, described pedestal is provided with clamp system that can be fixing with power transmission tower bar.
To the further improvement that the present invention does be: described cover line shackle is the U-shaped collar, and the described U-shaped collar is provided with cross bolts.Also comprise symmetry and be connected to stay thimble below the U-shaped collar, described left side steel cable and right side steel cable are respectively equipped with hook, and described hook is all connected with stay thimble.Described pedestal is U-shaped rotating seat, and the lower end of described main body standpipe is positioned at U-shaped rotating seat and is hinged by swivel base bolt.Described clamp system comprises fixing angle bar and rotates angle bar, and described fixing angle bar is fixedly connected with U-shaped rotating seat, and described angle of rotation Tie Tong crosses hinged hinge axis and is connected with fixing angle bar, between fixing angle bar and rotation angle bar, be provided with fastening bolt.Described main body riser upper is provided with inner sleeve, and main body standpipe and inner sleeve are equipped with corresponding bolt hole, and main body standpipe and inner sleeve regulate length by bolt.
The beneficial effect adopting technique scheme to produce is: main body standpipe bottom of the present invention is fixed on the angle bar on electric power pylon by U-shaped rotating seat, overhead ground wire is entangled on top, rotated by main body standpipe and overhead ground wire is transferred to ground maintenance, upwards rotate the overhead ground wire fixed can also be restored to the original state by main body standpipe, the present invention can optimize operating type, simplify work flow, improve efficiency and the fail safe of service work greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is that the present invention is arranged on structural representation electric power pylon shifting overhead ground wire.
The label of each parts is as shown in the figure: fixing angle bar 1, fastening bolt 2, rotation angle bar 3, hinged hinge axis 4, left side steel cable 5, cross bolts 6, the U-shaped collar 7, stay thimble 8, right side steel cable 9, main body standpipe 10, bolt 11, inner sleeve 12, U-shaped rotating seat 13, swivel base bolt 14, power transmission tower bar 15, overhead ground wire 16.
Embodiment
(see Fig. 1-3) a kind of power transmission line overhead ground wire rotating lifting gear, comprise main body standpipe 10, the upper end of described main body standpipe 10 is provided with cover line shackle, left side steel cable 5 and right side steel cable 9 is respectively equipped with in the left and right sides of described cover line shackle, the lower end of main body standpipe 10 and pedestal hinged, described pedestal is provided with clamp system that can be fixing with power transmission tower bar 15.Described cover line shackle is the U-shaped collar 7, and the described U-shaped collar 7 is provided with cross bolts 6.Also comprise symmetry and be connected to stay thimble 8 below the U-shaped collar 7, described left side steel cable 5 and right side steel cable 9 are respectively equipped with hook, and described hook is all connected with stay thimble 8.Described pedestal is U-shaped rotating seat 13, and the lower end of described main body standpipe 10 is positioned at U-shaped rotating seat 13 and is hinged by swivel base bolt 14.Described clamp system comprises fixing angle bar 1 and rotates angle bar 3, and described fixing angle bar 1 is fixedly connected with U-shaped rotating seat 13, and described rotation angle bar 3 is connected with fixing angle bar 1 by hinged hinge axis 4, between fixing angle bar 1 and rotation angle bar 3, be provided with fastening bolt 2.Described main body standpipe 10 top is provided with inner sleeve 12, and main body standpipe 10 and inner sleeve 12 are equipped with corresponding bolt hole, and main body standpipe 10 and inner sleeve 12 regulate length by bolt 11.Clamp system can also have other structures, and pedestal connects a framework, and this framework can be buckled between two angle bar on electric power pylon 15 easily, by bolted, can reach the object making main body standpipe 10 clamp electric power pylon 15 equally.
Using method: main body standpipe 10 is risen on electric power pylon 15, fixing angle bar 1 and rotation angle bar 3 are fastened on the angle bar parts on electric power pylon 15, main body standpipe 10 is kept upright, the U-shaped collar 7 and cross bolts 6 entangle overhead ground wire 16, by left side steel cable 5 and right side steel cable 9 coordination, main body standpipe 10 is rotated overhead ground wire 16 is transferred to ground maintenance.
Claims (6)
1. a power transmission line overhead ground wire rotating lifting gear, it is characterized in that: comprise main body standpipe (10), the upper end of described main body standpipe (10) is provided with cover line shackle, left side steel cable (5) and right side steel cable (9) is respectively equipped with in the left and right sides of described cover line shackle, the lower end of main body standpipe (10) and pedestal hinged, described pedestal is provided with clamp system that can be fixing with power transmission tower bar (15).
2. a kind of power transmission line overhead ground wire rotating lifting gear according to claim 1, is characterized in that: described cover line shackle is the U-shaped collar (7), and the described U-shaped collar (7) is provided with cross bolts (6).
3. a kind of power transmission line overhead ground wire rotating lifting gear according to claim 2, it is characterized in that: also comprise symmetry and be connected to stay thimble (8) below the U-shaped collar (7), described left side steel cable (5) and right side steel cable (9) are respectively equipped with hook, and described hook is all connected with stay thimble (8).
4. a kind of power transmission line overhead ground wire rotating lifting gear according to claim 3, it is characterized in that: described pedestal is U-shaped rotating seat (13), the lower end of described main body standpipe (10) is positioned at U-shaped rotating seat (13) and is hinged by swivel base bolt (14).
5. a kind of power transmission line overhead ground wire rotating lifting gear according to claim 4, it is characterized in that: described clamp system comprises fixing angle bar (1) and rotates angle bar (3), described fixing angle bar (1) is fixedly connected with U-shaped rotating seat (13), described rotation angle bar (3) is connected with fixing angle bar (1) by hinged hinge axis (4), between fixing angle bar (1) and rotation angle bar (3), be provided with fastening bolt (2).
6. a kind of power transmission line overhead ground wire rotating lifting gear according to claim 5, it is characterized in that: described main body standpipe (10) top is provided with inner sleeve (12), main body standpipe (10) and inner sleeve (12) are equipped with corresponding bolt hole, and main body standpipe (10) and inner sleeve (12) regulate length by bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291510.3A CN104882821A (en) | 2015-06-01 | 2015-06-01 | Rotation elevating apparatus of overhead ground wire of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291510.3A CN104882821A (en) | 2015-06-01 | 2015-06-01 | Rotation elevating apparatus of overhead ground wire of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104882821A true CN104882821A (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510291510.3A Pending CN104882821A (en) | 2015-06-01 | 2015-06-01 | Rotation elevating apparatus of overhead ground wire of power transmission line |
Country Status (1)
| Country | Link |
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| CN (1) | CN104882821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786138A (en) * | 2016-12-08 | 2017-05-31 | 国家电网公司 | High-voltage power transmission tower overhead ground wire rotates arm elevator apparatus |
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| CN201236518Y (en) * | 2008-06-30 | 2009-05-13 | 上海邮电设计院有限公司 | Twin-foot guyed tower |
| CN201460382U (en) * | 2009-06-24 | 2010-05-12 | 河南省电力公司三门峡供电公司 | Holding pole base |
| CN201594715U (en) * | 2009-11-13 | 2010-09-29 | 山东电力集团公司潍坊供电公司 | Stay bar for replacing insulators |
| US20110011987A1 (en) * | 2008-01-31 | 2011-01-20 | Lessard Andre | Portable manipulator for carrying out works on energized overhead electrical lines |
| CN202308904U (en) * | 2011-10-12 | 2012-07-04 | 上海电瓷厂 | Self-locking device used for component lifting |
| CN102856839A (en) * | 2012-09-06 | 2013-01-02 | 保定供电公司 | Wire lifting machine for wiring construction |
| CN204633221U (en) * | 2015-06-01 | 2015-09-09 | 国家电网公司 | A kind of rotating lifting gear of power transmission line overhead ground wire |
-
2015
- 2015-06-01 CN CN201510291510.3A patent/CN104882821A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110011987A1 (en) * | 2008-01-31 | 2011-01-20 | Lessard Andre | Portable manipulator for carrying out works on energized overhead electrical lines |
| CN201236518Y (en) * | 2008-06-30 | 2009-05-13 | 上海邮电设计院有限公司 | Twin-foot guyed tower |
| CN201460382U (en) * | 2009-06-24 | 2010-05-12 | 河南省电力公司三门峡供电公司 | Holding pole base |
| CN201594715U (en) * | 2009-11-13 | 2010-09-29 | 山东电力集团公司潍坊供电公司 | Stay bar for replacing insulators |
| CN202308904U (en) * | 2011-10-12 | 2012-07-04 | 上海电瓷厂 | Self-locking device used for component lifting |
| CN102856839A (en) * | 2012-09-06 | 2013-01-02 | 保定供电公司 | Wire lifting machine for wiring construction |
| CN204633221U (en) * | 2015-06-01 | 2015-09-09 | 国家电网公司 | A kind of rotating lifting gear of power transmission line overhead ground wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786138A (en) * | 2016-12-08 | 2017-05-31 | 国家电网公司 | High-voltage power transmission tower overhead ground wire rotates arm elevator apparatus |
| CN106786138B (en) * | 2016-12-08 | 2018-02-13 | 国家电网公司 | High-voltage power transmission tower overhead ground wire rotates arm elevator apparatus |
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Application publication date: 20150902 |
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| RJ01 | Rejection of invention patent application after publication |