CN104600623A - High-altitude crossover releasing device for lifting type heavy power cable - Google Patents
High-altitude crossover releasing device for lifting type heavy power cable Download PDFInfo
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- CN104600623A CN104600623A CN201510022270.7A CN201510022270A CN104600623A CN 104600623 A CN104600623 A CN 104600623A CN 201510022270 A CN201510022270 A CN 201510022270A CN 104600623 A CN104600623 A CN 104600623A
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Abstract
The invention discloses a high-altitude crossover releasing device for a lifting type heavy power cable. The device comprises a turning pulley which is connected to power towers, and a plurality of overhead wire arrangement mechanisms which are connected to a bearing cable between the power towers; each overhead wire arrangement mechanism comprises at least four lifting wheel sets; one lifting wheel set is connected to the bearing cable to be used as a travelling part, and the rest lifting wheel sets are respectively connected to the travelling part through length-increasing lifting ropes; each lifting wheel set comprises two wire arrangement wheels which are respectively mounted in door frame shaped brackets; the bracket opening ends of the two wire arrangement wheels are opposite to each other, and one of the sides is in rotating connection and while the other one of the sides is connected by positioning through an inserting pin. According to the device, the turning pulley and the overhead wire arrangement mechanisms form a plurality of air corridors with different height and meeting the requirement on quantity of leads of heavy power cables, and therefore, the heavy tension mechanisms, crossing frames and safety protection nets can be saved, and as a result, the construction process and cost can be greatly reduced.
Description
Technical field
The present invention relates to power cable laying apparatus field, be specifically related to the heavy electric power cable high-altitude of lifting formula and hand over across unfolding device.
Background technology
In electric power and communication line construction, to safeguard and in breakdown repair process, often need to cross over and close highway, railway, important navigation channel, many intensive Special complex obstacles such as high-voltage electric power circuit, other crossed construction building site, the general house owed by a citizen that very easily causes to obstruct that cannot simultaneously have a power failure.The cooperation of the relevant departments such as how to reduce road closure, suspend, more need not adopt traditional input of taking crossing frame or safety protective net backward pull formula drag and drop technique in advance, be problem demanding prompt solution.By State Grid Corporation of China, the no-station pole canopy cable laying crossover device of Huaian Power Supply Company of Jiangsu Electric Power Company and Jiangsu Power Company co-applications and built on stilts cable laying tractor, be suitable only for the lightweight cable construction of sub-thread, the high-altitude of the heavy electric power cable of the high pressure three-phase that cannot be used for being made up of three (what have earth connection is then four) separate conductors is handed over across unfolding construction, current heavy electric power cable high-altitude is handed over across unfolding construction or is needed by heavy tension force machinery and take the facility such as crossing frame or safety protective net in advance, and heavy tension force machinery is due to expensive, county, one-level unit in charge of construction of district is seldom equipped, constructing operation can not be carried out at any time, construction coordination progress is extended, and the operation of heavy tension force machinery is strongly professional, certain requirement is also had to job site environment, part occasion cannot use, difficulty of construction is large.
Summary of the invention
The technical problem to be solved in the present invention is to provide the heavy electric power cable high-altitude of a kind of lifting formula and hands over across unfolding device, existing heavy electric power cable can be solved and execute man-hour requirement by heavy tension force machinery in high-altitude friendship across unfolding, construction coordination progress is caused to be extended, and the problem that difficulty of construction is large.
The present invention is achieved through the following technical solutions:
The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device, comprises the angle pulley be connected on electric power tower, and is connected to carry on cable between electric power tower multiple and walks line mechanism in the air, and described line mechanism of walking in the air is connected to pull rope; Described each line mechanism of walking in the air comprises at least four lifting wheels, and one of them lifting wheels is connected to carrying cable as running part, and all the other lifting wheels are connected to running part respectively by the lifting rope of increasing lengths; Described each lifting wheels comprise two cabling wheels be arranged on respectively in a frame support, and the carrier openings end of described two cablings wheel is relative, and side is rotationally connected, and opposite side is located by connecting by latch.
Further improvement of the present invention scheme is, the adjacent lifting wheels of each height are connected to corresponding pull rope.
Further improvement of the present invention scheme is, described angle pulley level is arranged in rectangular frame, and described rectangular frame upper end is provided with the suspension ring connecting electric power tower insulator.
Further improvement of the present invention scheme is, the rack cross-bar of described lifting wheels wherein cabling wheel is rotatably connected to lifting ring, and lifting rope and pull rope are connected to lifting ring.
Further improvement of the present invention scheme is, the carrier openings end side of described two cablings wheel is connected by hinge through.
Further improvement of the present invention scheme is, the anti-fall off chain other end that described lock bolt bar and one end are fixed on cabling wheel support is fixedly connected with.
The invention has the advantages that:
One, by angle pulley with walk the air corridor that line mechanism forms the differing heights that many number of conductors meeting heavy electric power cable require in the air, do not need by heavy tension force machinery, and angle pulley and walk the cheap, simple to operate of line mechanism in the air, power supply maintenance and operation department at different levels can be equipped with and take at any time, eliminate and use heavy tension force machinery required time, expense, significantly reduce construction procedure and cost;
Two, each height adjacent lifting wheels between be connected to pull rope, can control respectively the lifting wheels position of each height, make many air corridors of formation not produce interference each other, constructability more.
Accompanying drawing explanation
Fig. 1 is using state schematic diagram of the present invention.
Fig. 2 is the structural representation walking line mechanism in the air.
Fig. 3 is lifting wheel group structure schematic diagram.
Fig. 4 is angle pulley structural representation.
Embodiment
As shown in Figure 1, Figure 2 and Figure 4, the heavy electric power cable high-altitude of shown lifting formula is handed over across unfolding device, comprise the angle pulley 2 being connected on electric power tower 1, and be connected to carry on cable 3 between electric power tower multiple and walk line mechanism 4 in the air, described angle pulley 2 level is arranged in rectangular frame 21, and described rectangular frame 21 upper end is provided with the suspension ring 22 connecting electric power tower insulator 5.When heavy electric power cable is made up of three separate conductors, each line mechanism of walking in the air comprises four lifting wheels 41, when heavy electric power cable is made up of four separate conductors, each line mechanism of walking in the air comprises five lifting wheels 41, when heavy electric power cable has more than twice or twice, the quantity of lifting wheels 41 is that the total quantity of separate conductors adds one again; One of them lifting wheels 41 is connected to carrying cable 3 as running part, and all the other lifting wheels 41 are connected to running part respectively by the lifting rope 42 of increasing lengths.The adjacent lifting wheels 41 of each height are connected to corresponding pull rope 6.
As shown in Figure 3, each lifting wheels 41 comprise two cabling wheels 411 be arranged on respectively in a frame support 412, and support 412 openend of described two cablings wheel 411 is relative, and side is rotationally connected by hinge 413, and opposite side is located by connecting by latch 414; Metal anti-fall off chain 415 other end that pin rod and one end of described latch 414 are fixed on cabling wheel support is fixedly connected with, the described pin rod other end is also provided with Withdrawing pin, when pushing pin is vertical with pin rod, pin rod is positioned in guide and makes load-bearing axle, when pushing pin is parallel with pin rod, pin rod can be extracted out, thus lifting wheels 41 are opened formation introducing port; Support 412 cross bar of wherein cabling wheel is rotatably connected to high duty metal lifting ring 416, and the multiple spot on lifting rope 42 two ends and pull rope 6 is processed with fake respectively and connects lifting ring 416.
During construction the wire of heavy electric power cable and pull rope 6 by tractive effort effect in the state of raising up, each lifting wheels 41 adopt two cabling wheels 411, can prevent from directly contacting between wire with the lifting ring 416 on support 412 and support 412 cross bar and occurring stuck phenomenon, thus avoid the generation of construction failure; And the conductive line surfaces of heavy electric power cable is naked state, each lifting wheels 41 adopt two cabling wheels 411 can guarantee that upper and lower surface is rolling friction state with wire, there will not be the situation of sliding friction injured surface; In addition, each lifting wheels 41 adopt two cabling wheels 411, wire clamp are held between two cabling wheels 411, are formed spacing, wire is advanced stably to wire.
During construction, first opposite side electric power tower is delivered to by built on stilts cable laying tractor or line throwing gun or special remote control helicopter in construction one end of light-duty pull rope, draw by the construction of this root with light-duty pull rope and install and carry cable 3; Then on tower, multiple latch 414 walking line mechanism 4 running part is in the air opened by staff successively, and the rotation along with hinge 413 makes latch connection side open formation introducing port, hangs on carrying cable 3, then inserts pin rod, realize the suspension of running part; By pulling the pull rope 6 being connected to running part, make that multiple to walk line mechanism 4 in the air spaced apart, then pull the pull rope 6 of each height below running part respectively, the lifting wheels 41 of each height are staggered mutually, forms mutually non-interfering many air corridors; When line mechanism 4 is walked in suspension in the air, each height lifting wheels 41 below running part are also installed with strop successively, after air corridor is formed, the wire of strop one end with heavy electric power cable is connected, pulls the high-altitude that can realize heavy electric power cable to hand over across unfolding at the other end; The length of aerial lifting rope 42 is according to overhead line conductor spacing choice for use, after circuit installation, removes all set of tools, complete whole construction according to the disposable withdrawal of the step that above installation is contrary.
Claims (6)
1. the heavy electric power cable high-altitude of lifting formula is handed over across unfolding device, it is characterized in that: comprise the angle pulley be connected on electric power tower, and be connected to carry on cable between electric power tower multiple and walk line mechanism in the air, described line mechanism of walking in the air is connected to pull rope; Described each line mechanism of walking in the air comprises at least four lifting wheels, and one of them lifting wheels is connected to carrying cable as running part, and all the other lifting wheels are connected to running part respectively by the lifting rope of increasing lengths; Described each lifting wheels comprise two cabling wheels be arranged on respectively in a frame support, and the carrier openings end of described two cablings wheel is relative, and side is rotationally connected, and opposite side is located by connecting by latch.
2. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the adjacent lifting wheels of each height are connected to corresponding pull rope.
3. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, and it is characterized in that: described angle pulley level is arranged in rectangular frame, described rectangular frame upper end is provided with the suspension ring connecting electric power tower insulator.
4. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the rack cross-bar of a described lifting wheels wherein cabling wheel is rotatably connected to lifting ring, and lifting rope and pull rope are connected to lifting ring.
5. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the carrier openings end side of described two cablings wheel is connected by hinge through.
6. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the anti-fall off chain other end that described lock bolt bar and one end are fixed on cabling wheel support is fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022270.7A CN104600623A (en) | 2015-01-16 | 2015-01-16 | High-altitude crossover releasing device for lifting type heavy power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022270.7A CN104600623A (en) | 2015-01-16 | 2015-01-16 | High-altitude crossover releasing device for lifting type heavy power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104600623A true CN104600623A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510022270.7A Pending CN104600623A (en) | 2015-01-16 | 2015-01-16 | High-altitude crossover releasing device for lifting type heavy power cable |
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| Country | Link |
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| CN (1) | CN104600623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018662A (en) * | 2020-07-24 | 2020-12-01 | 天津送变电工程有限公司 | Net-pulling fixed-interval unfolding and releasing link assembly |
| CN112865003A (en) * | 2021-01-23 | 2021-05-28 | 张春福 | Tensioning device for power cable installation and installation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63310307A (en) * | 1987-01-13 | 1988-12-19 | Showa Electric Wire & Cable Co Ltd | Execution of plural-extension-wire work |
| CN1288276A (en) * | 2000-08-02 | 2001-03-21 | 国家电力公司电力建设研究所 | Method and equipment of stride across construction utilizing overhead cableway |
| CN2610537Y (en) * | 2003-03-14 | 2004-04-07 | 山西省电力公司送变电工程公司 | Overhead cableway crossing construction device |
| CN201608470U (en) * | 2009-11-04 | 2010-10-13 | 本溪市铁成非标准件厂 | Device used for traction cable |
| CN102780178A (en) * | 2012-07-19 | 2012-11-14 | 嘉善县供电局 | Obstacle bridging construction method for power line wiring and wiring pulleys |
| CN204376311U (en) * | 2015-01-16 | 2015-06-03 | 国家电网公司 | The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device |
-
2015
- 2015-01-16 CN CN201510022270.7A patent/CN104600623A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63310307A (en) * | 1987-01-13 | 1988-12-19 | Showa Electric Wire & Cable Co Ltd | Execution of plural-extension-wire work |
| CN1288276A (en) * | 2000-08-02 | 2001-03-21 | 国家电力公司电力建设研究所 | Method and equipment of stride across construction utilizing overhead cableway |
| CN2610537Y (en) * | 2003-03-14 | 2004-04-07 | 山西省电力公司送变电工程公司 | Overhead cableway crossing construction device |
| CN201608470U (en) * | 2009-11-04 | 2010-10-13 | 本溪市铁成非标准件厂 | Device used for traction cable |
| CN102780178A (en) * | 2012-07-19 | 2012-11-14 | 嘉善县供电局 | Obstacle bridging construction method for power line wiring and wiring pulleys |
| CN204376311U (en) * | 2015-01-16 | 2015-06-03 | 国家电网公司 | The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018662A (en) * | 2020-07-24 | 2020-12-01 | 天津送变电工程有限公司 | Net-pulling fixed-interval unfolding and releasing link assembly |
| CN112865003A (en) * | 2021-01-23 | 2021-05-28 | 张春福 | Tensioning device for power cable installation and installation method thereof |
| CN112865003B (en) * | 2021-01-23 | 2022-08-12 | 广东立胜综合能源服务有限公司 | Tensioning device for power cable installation and installation method thereof |
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Application publication date: 20150506 |