CN105591318B - A kind of block method of U-shaped net - Google Patents
A kind of block method of U-shaped net Download PDFInfo
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- CN105591318B CN105591318B CN201511023550.6A CN201511023550A CN105591318B CN 105591318 B CN105591318 B CN 105591318B CN 201511023550 A CN201511023550 A CN 201511023550A CN 105591318 B CN105591318 B CN 105591318B
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- netting
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- bearing rope
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- 235000009566 rice Nutrition 0.000 claims 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
Classifications
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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
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Abstract
The present invention provides a kind of block method of U-shaped net, and each U-shaped net includes：The first netting of side rope, the second netting of side rope, bottom surface the first netting rope and the second netting of bottom surface rope；U-shaped net is built on bearing rope, and bearing rope includes：The upper bearing rope of cross-arm first, the bearing rope of upper cross-arm second, the bearing rope of selvage first, the bearing rope of selvage second and middle bearing rope, including：Using circulating the bearing rope of cross-arm first and the bearing rope of upper cross-arm second on wire saws；Utilize endless rope traction selvage first bearing rope, the bearing rope of selvage second and middle bearing rope；Seating side the first netting rope between the upper bearing rope of cross-arm first and selvage first bearing rope, seating side the second netting rope between the upper bearing rope of cross-arm second and selvage second bearing rope；The first netting of bottom surface rope is installed between the bearing rope of selvage first and middle bearing rope, the second netting of bottom surface rope is installed between the bearing rope of selvage second and middle bearing rope.The critical facility below power transmission line is protected not smashed by power transmission line or pull rope.
Description
Technical field
The present invention relates to high-voltage transmission equipment technical field, more particularly to a kind of block method of U-shaped net.
Background technology
With the fast development of extra high voltage line construction, it is commonly encountered in UHV transmission line work progress across important
The situation of facility, and show the features such as spanning height more and more higher, number are more and more, operating mode becomes increasingly complex.
In order to ensure the security of newly-built power line crossing, it is desirable to provide a kind of block method, built in high voltage transmission line
During if, carry out block and build power transmission line, prevent power transmission line or pull rope from breaking, drop on critical facility, damage.
The content of the invention
In order to solve prior art, the present invention provides a kind of block method of U-shaped net, can prevent high voltage transmission line construction
During occur dropping on the critical facility of lower section when wire or pull rope broken string situation, it is important below power transmission line so as to ensure
The safety of facility.
The present invention provides a kind of block method of U-shaped net, and applied in high voltage transmission line work progress, each U-shaped net wraps
Include following three kinds of netting ropes：The first netting of side rope, the second netting of side rope, bottom surface the first netting rope and the netting of bottom surface second
Rope；The U-shaped net is built on bearing rope, and the bearing rope includes：The upper bearing rope of cross-arm first, the bearing rope of upper cross-arm second,
The bearing rope of selvage first, the bearing rope of selvage second and middle bearing rope, this method comprise the following steps：
Using circulating the bearing rope of cross-arm first and the bearing rope of upper cross-arm second on wire saws；
Utilize endless rope traction selvage first bearing rope, the bearing rope of selvage second and middle bearing rope；
The first netting of seating side rope between the bearing rope of cross-arm first and the bearing rope of selvage first on described, on described
The second netting of seating side rope between the bearing rope of cross-arm second and the bearing rope of selvage second；
The first netting of bottom surface rope is installed between the bearing rope of selvage first and middle bearing rope, in the selvage
The second netting of bottom surface rope is installed between the second bearing rope and middle bearing rope.
Preferably, in addition to：Is installed between the bearing rope of selvage first and middle bearing rope spaced a predetermined distance
One supports insulative bar, it is spaced the preset distance and the second support is installed between the bearing rope of selvage second and middle bearing rope
Insulating bar.
Preferably, bottom surface the first netting rope sets one every two meters, and bottom surface the second netting rope is every two meters
Set one.
Preferably, the first supports insulative bar sets one every six meters, and the second supports insulative bar is every six meters
Set one.
Preferably, the preset distance is six meters.
Preferably, side the first netting rope sets one every four meters, and side the second netting rope is every four meters
Set one.
Preferably, also include before the first netting of side rope is installed：
A pull rope is mounted on the every bearing rope, the pull rope is used to draw the netting rope.
Compared with prior art, the present invention at least has advantages below：
The method that the present embodiment provides, below power transmission line and U-shaped net has been built in side, due to two sides of the U-shaped net
Face and bottom surface constitute web frame.Even if power transmission line or traction fracture of rope fall down, and fall in the inside of the U-shaped net, no
It can fall on the critical facility below power transmission tower.The critical facility below power transmission line can so be protected not by power transmission line or traction
Rope smashes, so as to protect the critical facility below power transmission line.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of block embodiment of the method one of U-shaped net provided by the invention；
Fig. 2 is U-shaped block device side view corresponding to method provided by the invention；
Fig. 3 is the front view of U-shaped block device provided by the invention；
Fig. 4 is the flow chart of block embodiment of the method two of U-shaped net provided by the invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only this
Invention part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment of the method one：
Referring to Fig. 1, the figure is the flow chart of block embodiment of the method one of U-shaped net provided by the invention.
The block method for the U-shaped net that the present embodiment provides, applied in high voltage transmission line work progress, each U-shaped net wraps
Include following three kinds of netting ropes：The first netting of side rope, the second netting of side rope, bottom surface the first netting rope and the netting of bottom surface second
Rope；The U-shaped net is built on bearing rope, and the bearing rope includes：The upper bearing rope of cross-arm first, the bearing rope of upper cross-arm second,
The bearing rope of selvage first, the bearing rope of selvage second and middle bearing rope, this method comprise the following steps：
S101：Using circulating the bearing rope of cross-arm first and the bearing rope of upper cross-arm second on wire saws；
S102：Utilize endless rope traction selvage first bearing rope, the bearing rope of selvage second and middle bearing rope；
It should be noted that the both ends of all bearing ropes are fixed on bottom surface by corner block respectively, described turn to is slided
Car is articulated on the cross-arm of power transmission tower.
S103：The first netting of seating side rope between the bearing rope of cross-arm first and the bearing rope of selvage first on described,
Seating side the second netting rope between the bearing rope of upper cross-arm second and selvage second bearing rope；
S104：The first netting of bottom surface rope is installed between the bearing rope of selvage first and middle bearing rope, in institute
State and the second netting of bottom surface rope is installed between the bearing rope of selvage second and middle bearing rope.
In order to facilitate method provided by the invention is understood, Fig. 2 and Fig. 3 are may refer to, i.e., method provided by the invention is corresponding
U-shaped block device.
It is understood that S101-S104 introduce be a U-shaped net build process, two adjacent power transmission towers it
Between need to build multiple U-shaped nets, multiple U-shaped nets form U-shaped block device, so can just prevent from transmitting electricity thread breakage when, avoid
Fall on the critical facility below power transmission line.
The method that the present embodiment provides, below power transmission line and U-shaped net has been built in side, due to two sides of the U-shaped net
Face and bottom surface constitute web frame.Even if power transmission line or traction fracture of rope fall down, and fall in the inside of the U-shaped net, no
It can fall on the critical facility below power transmission tower.The critical facility below power transmission line can so be protected not by power transmission line or traction
Rope smashes.
In order to facilitate the U-shaped net for understanding that the present invention is built, Fig. 2 and Fig. 3 may refer to.
Referring to Fig. 2, the figure is the side view of U-shaped net corresponding to method provided by the invention.
It should be noted that U-shaped net provided by the invention is applied on high voltage transmission line, the power transmission tower adjacent positioned at two
Between.Between two adjacent power transmission towers include two U-shaped block devices, it is necessary to explanation be U-shaped block device include it is more
Individual U-shaped net.The corresponding U-shaped packaging system 100 of power transmission tower left horizontal stretcher as shown in Figure 2, i.e., U-shaped shown in dotted line are U-shaped net.
Similarly, a U-shaped block device corresponding to right horizontal stretcher.
Referring to Fig. 3, for the front view of U-shaped block device provided by the invention.
The U-shaped block device that the present embodiment provides, applied in high voltage transmission line work progress, including five kinds of bearing ropes：
Upper the first bearing rope of cross-arm A1, the second bearing rope of upper cross-arm A2, the first bearing rope of selvage B1, selvage the second bearing rope B2 and centre
Bearing rope B3, in addition to multiple U-shaped nets, each U-shaped net include following three kinds of netting ropes：Side the first netting rope C1, side
Two netting rope C2, bottom surface the first netting rope D1 and bottom surface the second netting rope D2；
The first bearing rope of upper cross-arm A1, the second bearing rope of upper cross-arm A2, the first bearing rope of selvage B1, selvage second are held
Support rope B2 and middle bearing rope B3 is all connected between two adjacent power transmission towers；Power transmission tower is located at Fig. 3 left and right sides respectively,
Two power transmission towers are not shown in Fig. 3.
The first end of side the first netting rope C1 connects upper the first bearing rope of cross-arm A1, and the side first is compiled
Nettle C1 the second end connects the first bearing rope of selvage B1；
The first end of side the second netting rope C2 connects upper the second bearing rope of cross-arm A2, and the side second is compiled
Nettle C2 the second end connects the second bearing rope of selvage B2；
The first end of bottom surface the first netting rope D1 connects the first bearing rope of selvage B1, the netting of bottom surface first
Rope D1 the second end connects the middle bearing rope B3, and the first end of bottom surface the second netting rope D2 connects the selvage second
Bearing rope B2, bottom surface the second netting rope D2 the second end connect the middle bearing rope B3.
It should be noted that it is only the U-shaped net for illustrating two laid out in parallel to understand for convenience in Fig. 3, it is defeated at two
The U-shaped net shown in multiple Fig. 3 is placed between electric tower, for example, bottom surface the first netting rope D1 and bottom surface the second netting rope D2 are every
One is set every two meters, side the first netting rope C1 and side the second netting rope C2 set one every four meters.It is appreciated that
, the distance at two D1 intervals can set as needed, and the smaller effect of distance at interval is better, but D1 set it is too close
It is more to collect the material needed, and setting up procedure is also relatively time-consuming, can be taken into account between effect and cost to consider interval
Distance.The same D1 of D2 and C1, C2 setting principle, will not be repeated here.
With reference to Fig. 2 as can be seen that the U-shaped block device can be prevented during power transmission line is built, thread breakage of transmitting electricity
Or dropped to during traction fracture of rope on the critical facility below power transmission tower.Because two sides of the U-shaped net device and bottom surface are equal
Constitute web frame.Even if power transmission line or traction fracture of rope fall down, and fall in the inside of the U-shaped packaging system, will not fall
On the critical facility below power transmission tower.So the critical facility below power transmission line can be protected not pounded by power transmission line or pull rope
It is bad.
Embodiment of the method two：
Referring to Fig. 4, the figure is the flow chart of block embodiment of the method two of U-shaped net provided by the invention.
The block method for the U-shaped net that the present embodiment provides, S401-S402 is identical with S101-S102 respectively, S404-S405
It is identical with S103-S104 respectively, it will not be repeated here.
S403：Also include before the first netting of side rope is installed：
A pull rope is mounted on the every bearing rope, the pull rope is used to draw the netting rope.
S406：The first supports insulative is installed between the bearing rope of selvage first and middle bearing rope spaced a predetermined distance
Bar, it is spaced the preset distance and the second supports insulative bar is installed between the bearing rope of selvage second and middle bearing rope.
With continued reference to Fig. 3, the U-shaped net spaced a predetermined distance also includes：Supports insulative bar；For example, every 6 meters of settings
One group of supports insulative bar.One group of supports insulative bar is two.It is understood that the spacing distance of supports insulative bar can also join
Examine D1 setting principle.
The supports insulative bar is two, is respectively：First supports insulative bar E1 and the second supports insulative bar E2；
The first end of the first supports insulative bar E1 connects the bearing rope of selvage first, the first supports insulative bar
E1 the second end connects the middle bearing rope B3；
The first end of the second supports insulative bar E2 connects the bearing rope of selvage second, the second supports insulative bar
E2 the second end connects the middle bearing rope B3.
In addition, the U-shaped block device, can also include：Single pole coaster and double-rod coaster, not shown in figure；
The first end of the first supports insulative bar E1 is held by a single pole pulley suspension in the selvage first
Support rope B1；
The first end of the second supports insulative bar E2 is held by a single pole pulley suspension in the selvage second
Support rope B2；
The second end of the first supports insulative bar E1 and the second end of the second supports insulative bar E2 are by same
The individual double-rod pulley suspension is in the middle bearing rope B3.
U-shaped block device similar with bearing rope, that the present embodiment provides, in addition to following five kinds of danish seine ropes：Upper cross-arm
One danish seine rope, the second danish seine of upper cross-arm rope, the first danish seine of selvage rope, selvage the second danish seine rope and middle danish seine rope；Danish seine rope figure
Not shown in.
The first danish seine of upper cross-arm rope is articulated in the first bearing rope of upper cross-arm A1, for drawing the side first
Netting rope C1 first end；
The second danish seine of upper cross-arm rope is articulated in the second bearing rope of upper cross-arm A2, for drawing the side second
Netting rope C2 first end；
The first danish seine of selvage rope is articulated in the first bearing rope of selvage B1, for drawing the netting of bottom surface first
Rope D1 first end；
The second danish seine of selvage rope is articulated in the second bearing rope of selvage B2, for drawing the netting of bottom surface second
Rope D2 first end；
The middle danish seine rope is articulated in the middle bearing rope, for drawing the second of bottom surface the first netting rope D1
End and bottom surface the second netting rope D2 the second end are moved on the middle bearing rope.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical scheme makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from
The content of technical solution of the present invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent
Change and modification, still fall within technical solution of the present invention protection in the range of.
Claims (7)
- A kind of 1. block method of U-shaped net, it is characterised in that applied in high voltage transmission line work progress, each U-shaped net includes Three kinds of netting ropes below：The first netting of side rope, the second netting of side rope, bottom surface the first netting rope and the second netting of bottom surface rope； The U-shaped net is built on bearing rope, and the bearing rope includes：The upper bearing rope of cross-arm first, the bearing rope of upper cross-arm second, selvage First bearing rope, the bearing rope of selvage second and middle bearing rope, this method comprise the following steps：Using circulating the bearing rope of cross-arm first and the bearing rope of upper cross-arm second on wire saws；Utilize endless rope traction selvage first bearing rope, the bearing rope of selvage second and middle bearing rope；The first netting of seating side rope, the cross-arm on described between the bearing rope of cross-arm first and the bearing rope of selvage first on described The second netting of seating side rope between second bearing rope and the bearing rope of selvage second；The first netting of bottom surface rope is installed between the bearing rope of selvage first and middle bearing rope, in the selvage second The second netting of bottom surface rope is installed between bearing rope and middle bearing rope.
- 2. the block method of U-shaped net according to claim 1, it is characterised in that also include：Spaced a predetermined distance described First supports insulative bar is installed between the bearing rope of selvage first and middle bearing rope, is spaced the preset distance in the selvage Second supports insulative bar is installed between two bearing ropes and middle bearing rope.
- 3. the block method of U-shaped net according to claim 2, it is characterised in that the first netting of bottom surface rope is every two Rice sets one, and bottom surface the second netting rope sets one every two meters.
- 4. the block method of U-shaped net according to claim 2, it is characterised in that the first supports insulative bar is every six Rice sets one, and the second supports insulative bar sets one every six meters.
- 5. the block method of U-shaped net according to claim 3, it is characterised in that the preset distance is six meters.
- 6. the block method of U-shaped net according to claim 1, it is characterised in that the first netting of side rope is every four Rice sets one, and side the second netting rope sets one every four meters.
- 7. the block method of U-shaped net according to claim 1, it is characterised in that installing the first netting of side rope Also include before：A pull rope is mounted on the every bearing rope, the pull rope is used to draw the netting rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023550.6A CN105591318B (en) | 2015-12-30 | 2015-12-30 | A kind of block method of U-shaped net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023550.6A CN105591318B (en) | 2015-12-30 | 2015-12-30 | A kind of block method of U-shaped net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105591318A CN105591318A (en) | 2016-05-18 |
| CN105591318B true CN105591318B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023550.6A Active CN105591318B (en) | 2015-12-30 | 2015-12-30 | A kind of block method of U-shaped net |
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| CN (1) | CN105591318B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181066B (en) * | 2020-01-20 | 2021-01-26 | 广东电网能源发展有限公司 | Construction method of net sealing protection device of three-phase two-split conductor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315444Y (en) * | 2008-11-20 | 2009-09-23 | 四川电力送变电建设公司 | Suspended cable basket blocking net charged crossing support |
| CN103236656B (en) * | 2013-04-08 | 2017-02-08 | 国家电网公司 | Column suspension type crossing structure and operating method thereof |
| CN203645249U (en) * | 2014-01-10 | 2014-06-11 | 葛洲坝集团电力有限责任公司 | Hook-net-plane-type charged crossing device |
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