CN201478732U - Paying-off block of ultrahigh voltage power transmission line - Google Patents
Paying-off block of ultrahigh voltage power transmission line Download PDFInfo
- Publication number
- CN201478732U CN201478732U CN2009201592665U CN200920159266U CN201478732U CN 201478732 U CN201478732 U CN 201478732U CN 2009201592665 U CN2009201592665 U CN 2009201592665U CN 200920159266 U CN200920159266 U CN 200920159266U CN 201478732 U CN201478732 U CN 201478732U
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- Prior art keywords
- pulley
- sheets
- releasing
- boatswain chair
- lead
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 4
- 238000007759 kiss coating Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000007704 transition Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004995 multiple fission Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The embodiment of the utility model provides a paying-off block of an ultrahigh voltage power transmission line, comprising two vertical columns vertically arranged at the two ends of a base; a pulley shaft is arranged between the two vertical columns and is provided with pulley pieces; the top ends of the two vertical columns are provided with hanging plates; one of the two vertical columns is provided with a door-opening device; the number of the pulley pieces is nine, wherein every three pulley pieces and a sleeve are matched tightly into a whole body; the sleeve is sheathed on the pulley shaft and is in transition fit with the pulley shaft; and the nine pulley pieces comprise eight lead pulley pieces and a traction rope pulley piece which is positioned in the middle of the eight lead pulley pieces. The paying-off block of the ultrahigh voltage power transmission line can realize one-traction (4+4) tension paying-off construction technology of cophasal eight-bundled lead technique.
Description
Technical field
The utility model relates to transmission line stringing technical field of construction, relates in particular to the releasing pulley in a kind of UHV transmission line.
Background technology
Along with the transmission line electric pressure constantly promotes, homophase multiple fission conductor The Application of Technology more and more widely, thereby the requirement to releasing pulley is also more and more higher in payingoff construction.Adopt five wheel line tackles for existing homophase conductors on quad bundled technology; In 1000kv UHV transmission line engineering, adopt eight bundle conductor technology to set up with phase conductor, be to guarantee the stringing quality of lead, reduce the inconsistent phenomenon generation of sub-conductor sag behind the stringing that causes because of factors such as lead elongations just, eight leads of homophase should be opened up synchronously and put.
For homophase eight bundle conductor technology, have good synchronism for guaranteeing eight lead unwrapping wire, adopt one to lead (4+4) tension stringing construction technology.One to lead (4+4) tension stringing construction technology be state-of-the-art in the world at present tension stringing construction technology, this construction technology with respect to 2 * (one leads 4) and 8 lead that 8 tension stringing construction technologies have that efficiency of construction height, coaster hang simply, in the unwrapping wire process sub-conductor synchronism good, improve lead unwrapping wire quality, reduce advantages such as work high above the ground.Lead (4+4) tension stringing construction technology for one, must adopt nine wheel line tackles to guarantee the synchronism of eight leads of homophase, but but not have nine wheel line tackles in the prior art.
As can be seen from the above, there are not nine wheel line tackles to be used to realize that one of homophase eight bundle conductor technology lead (4+4) tension stringing construction technology in the prior art.
The utility model content
The purpose of the utility model embodiment provides the releasing pulley in a kind of UHV transmission line, leads (4+4) tension stringing construction technology for use in one of realization homophase eight bundle conductor technology.
For solving the problems of the technologies described above, the utility model embodiment provides the releasing pulley in the UHV transmission line to be achieved in that
Releasing pulley in a kind of UHV transmission line comprises: vertically be installed on two columns at base two ends, boatswain chair is installed on the top of described two columns, on the column in described two columns door opener is set; In the middle of described two columns pulley spindle is installed, the pulley sheet is set on the described pulley spindle; The number of described pulley sheet is nine, and per three pulley sheets and a sleeve pipe tight fit are integral in described nine pulley sheets, and described sleeve pipe is placed on the described pulley spindle and with described pulley spindle and excessively cooperates; Described nine pulley sheets comprise eight lead pulley sheets and a pull rope pulley sheet, and described pull rope pulley sheet is positioned at the centre of described eight lead pulley sheets.
Preferably, in the described releasing pulley, the wheel bottom land of described pulley sheet directly is 710mm.
Preferably, in the described releasing pulley, described boatswain chair has eight holes that are positioned on the straight line, the race of corresponding described eight the lead pulley sheets in the position in described eight holes.
Preferably, in the described releasing pulley, the diameter in described eight holes is 22mm.
Preferably, in the described releasing pulley, also comprise the anti-hopping device, described anti-hopping device comprises two groups of anti-hopping parts, and described two groups of anti-hopping parts are about described boatswain chair axial symmetry; Described anti-hopping parts comprise two anti-jump channel bars, and the fixedly connected wheel groove edge that is suspended from described pull rope pulley sheet of an end of described two anti-jump channel bars is job-hoped to prevent pull rope, in the other end installation of described two anti-jump channel bars and the hole of described boatswain chair; Described anti-jump channel bar comprises pole and catch, and described catch is installed in the hole on the described boatswain chair by nut, described pole and the fixed installation of described catch.
Preferably, in the described releasing pulley, the race of described eight lead pulley sheets is a race of taking kiss-coating to handle.
Preferably, in the described releasing pulley, described door opener is the double door device, comprises external door parallel to each other and inside door.
Preferably, in the described releasing pulley, the end in the described external door two ends is connected with described boatswain chair by rotatable nut, and the other end of described external door is fixed by the pin on the pin fixed head that is fixedly installed in described column.
Preferably, in the described releasing pulley, the end in the described inside door two ends is connected with the pin fixed head that is fixedly installed in described column by rotatable nut, and the other end of described inside door is fixed by the pin on the described boatswain chair.
The technical scheme that provides by above the utility model embodiment as seen, the utility model embodiment is nine wheel line tackles, can realize that one of homophase eight bundle conductor technology lead (4+4) tension stringing construction technology with described nine wheel line tackles; Per three pulley sheets and a sleeve pipe tight fit are integral in nine pulley sheets of nine wheel line tackles that provide of the utility model embodiment in addition, nine pulley sheets are divided into three, so nine wheel line tackles detachably are the assembly of four big parts, not only dismounting had been fast but also convenient transportation to make releasing pulley that the utility model provides.
Description of drawings
Fig. 1 is the generalized section of the releasing pulley that provides of the utility model embodiment;
Fig. 2 is the structural profile schematic diagram of double door device shown in Figure 1.
Embodiment
The utility model embodiment provides the releasing pulley in a kind of UHV transmission line.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the utility model protection.
Please refer to Fig. 1, the generalized section of the releasing pulley that Fig. 1 provides for the utility model embodiment.Base 1, two root posts 2, boatswain chair 3 and double door device are formed the framework of releasing pulley, two root posts 2 are fixedly installed on the base 1, one is long column in two root posts 2, one is short column, pin fixed head 14 is installed in the upper end of described short column, and the upper end of described long column is installed on the boatswain chair 3 by nut; Described double door device comprises external door parallel to each other 4 and inside door 5, and the direction of opening of described external door 4 and inside door 5 is seen among the figure shown in the dotted line; One end of described external door 4 and inside door 5 is connected pin fixed head 14, and the other end of described external door 4 and inside door 5 is connected boatswain chair 3; 12, two two point hanging holes 13 of a single-point hanging hole are set, to guarantee the stability of eight bundle conductors in releasing pulley on the boatswain chair 3.
Between two root posts 2 pulley spindle 8 is set, described pulley spindle 8 is connected with two root posts 2 respectively by nut; Nine pulley sheets 9 are set on the pulley spindle 8, and wherein, bearing and a sleeve pipe tight fit of per three pulley sheets 9 are integral in nine pulley sheets 9, and nine pulley sheets 9 and three sleeve pipes are formed three big parts, and described three sleeve pipes and pulley spindle 8 are for excessively to cooperate; The releasing pulley dismounting that so just the utility model can be provided is the assembly of four big parts, and wherein nine pulley sheets 9 are three big parts, and framework and pulley spindle 8 are big parts, and the releasing pulley dismounting that makes the utility model provide is quick, convenient transportation.
Nine pulley sheets 9 comprise eight lead pulley sheets and a pull rope pulley sheet, and described pull rope pulley sheet is positioned at the centre of described eight lead pulley sheets; The wheel bottom land of pulley sheet 9 directly is 710mm, can satisfy eight division 630mm
2And 630mm
2Lead the requirement of (4+4) tension stringing with one of lower section lead; Described lead pulley sheet is used to place lead, and described pull rope pulley sheet is used to place pull rope.The race of described eight lead pulley sheets takes kiss-coating to handle, and is not frayed in race with guardwire.Two pulley sheets 9 of the leftmost side and the rightmost side are fixedlyed connected with 2 root posts 2 by bearing 11 in described nine pulley sheets 9, to guarantee the fixing of pulley sheet.
Can be provided with evenly on the boatswain chair 3 that 10, eight holes 10, eight holes that are located on the same line are positioned at the lower end of boatswain chair 3 and about boatswain chair 3 axial symmetry, and the race of corresponding described eight the lead pulley sheets in the position in eight holes 10; The diameter in eight holes 10 can be 22mm, faces the anchor truckle so that lead hangs third wheel when facing anchor, need not to process separately third wheel and faces the anchor slab assembly, makes third wheel face the easy accessibility of anchor truckle.
In addition, can also pull rope be installed in eight holes 10 and put the job-hopping device, prevent the pull rope job-hopping.Described anti-hopping device comprises two groups of anti-hopping parts, and described two groups of anti-hopping parts are about described boatswain chair 3 axial symmetry; Described anti-hopping parts comprise two anti-jump channel bars, the fixedly connected wheel groove edge that is suspended from described pull rope pulley sheet of one end of described two anti-jump channel bars, to prevent the pull rope job-hopping, the other end of described two anti-jump channel bars is installed on respectively in two holes of described boatswain chair 3; Described anti-jump channel bar comprises pole 6 and catch 7, and described catch 7 is installed in the hole on the described boatswain chair 3 by nut, described pole 6 and described catch 7 fixed installations.
Clearer in order to describe, please refer to Fig. 2, Fig. 2 is the structural profile schematic diagram of double door device shown in Figure 1.
End in described external door 4 two ends is connected with described boatswain chair 3 by rotatable nut 15, and the other end of described external door 4 is fixing by the pin on the pin fixed head 14 that is fixedly installed in described column 2 16.
End in described inside door 5 two ends is connected with the pin fixed head 14 that is fixedly installed in described column 2 by rotatable nut 17, and the other end of described inside door 5 is fixing by the pin on the described boatswain chair 3 18.
Utilize the guiding rope of double door device after the propeller-parachuting exhibition is put in the high-altitude to put into coaster, be better than traditional boatswain chair and principal post separating method.Utilize the double door device only to need the guiding rope after single employing monkey wrench just can be put the propeller-parachuting exhibition easily to put into coaster, promptly just messenger can be put into releasing pulley by the external door and the inside door of alternately opening and closing the double door device.And only depend on pin to be connected between the boatswain chair of releasing pulley and the principal post in the traditional approach, utilize traditional approach to open coaster and put messenger in the high-altitude, need a large amount of Work tools such as chain block, steel wire rope, shackle, and need many people compounding practice just can finish, increased the danger of work high above the ground.
Above-described the utility model execution mode does not constitute the qualification to the utility model protection range.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection range of the present utility model.
Claims (9)
1. the releasing pulley in the UHV transmission line is characterized in that, comprising: vertically be installed on two columns at base two ends, boatswain chair is installed on the top of described two columns, on the column in described two columns door opener is set; In the middle of described two columns pulley spindle is installed, the pulley sheet is set on the described pulley spindle; The number of described pulley sheet is nine, and per three pulley sheets and a sleeve pipe tight fit are integral in described nine pulley sheets, and described sleeve pipe is placed on the described pulley spindle and with described pulley spindle and excessively cooperates; Described nine pulley sheets comprise eight lead pulley sheets and a pull rope pulley sheet, and described pull rope pulley sheet is positioned at the centre of described eight lead pulley sheets.
2. releasing pulley according to claim 1 is characterized in that, the wheel bottom land of described pulley sheet directly is 710mm.
3. releasing pulley according to claim 1 is characterized in that, described boatswain chair has eight holes that are positioned on the straight line, the race of corresponding described eight the lead pulley sheets in the position in described eight holes.
4. releasing pulley according to claim 3 is characterized in that the diameter in described eight holes is 22mm.
5. releasing pulley according to claim 3 is characterized in that, also comprises the anti-hopping device, and described anti-hopping device comprises two groups of anti-hopping parts, and described two groups of anti-hopping parts are about described boatswain chair axial symmetry; Described anti-hopping parts comprise two anti-jump channel bars, the fixedly connected wheel groove edge that is suspended from described pull rope pulley sheet of an end of described two anti-jump channel bars, and to prevent the pull rope job-hopping, the other end of described two anti-jump channel bars is installed in the hole of described boatswain chair; Described anti-jump channel bar comprises pole and catch, and described catch is installed in the hole on the described boatswain chair by nut, described pole and the fixed installation of described catch.
6. according to each described releasing pulley of claim 1-5, it is characterized in that the race of described eight lead pulley sheets is a race of taking kiss-coating to handle.
7. according to each described releasing pulley of claim 1-5, it is characterized in that described door opener is the double door device, comprise external door parallel to each other and inside door.
8. releasing pulley according to claim 7 is characterized in that, the end in the described external door two ends is connected with described boatswain chair by rotatable nut, and the other end of described external door is fixed by the pin on the pin fixed head that is fixedly installed in described column.
9. releasing pulley according to claim 7 is characterized in that, the end in the described inside door two ends is connected with the pin fixed head that is fixedly installed in described column by rotatable nut, and the other end of described inside door is fixed by the pin on the described boatswain chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201592665U CN201478732U (en) | 2009-06-23 | 2009-06-23 | Paying-off block of ultrahigh voltage power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201592665U CN201478732U (en) | 2009-06-23 | 2009-06-23 | Paying-off block of ultrahigh voltage power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478732U true CN201478732U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201592665U Expired - Fee Related CN201478732U (en) | 2009-06-23 | 2009-06-23 | Paying-off block of ultrahigh voltage power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956682A (en) * | 2014-05-07 | 2014-07-30 | 国家电网公司 | Adjustable paying-off pulley test rack |
| CN104934896A (en) * | 2015-06-05 | 2015-09-23 | 天津送变电工程公司 | Pulley capable of preventing leads from jumping in power transmission line engineering and construction technology of pulley |
| CN105743023A (en) * | 2016-03-16 | 2016-07-06 | 国网山东省电力公司章丘市供电公司 | Combined multifunctional stringing car for power transmission line and stringing method |
-
2009
- 2009-06-23 CN CN2009201592665U patent/CN201478732U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956682A (en) * | 2014-05-07 | 2014-07-30 | 国家电网公司 | Adjustable paying-off pulley test rack |
| CN104934896A (en) * | 2015-06-05 | 2015-09-23 | 天津送变电工程公司 | Pulley capable of preventing leads from jumping in power transmission line engineering and construction technology of pulley |
| CN104934896B (en) * | 2015-06-05 | 2017-07-28 | 天津送变电工程公司 | The anti-wire job-hopping coaster of work transmission line and its construction technology |
| CN105743023A (en) * | 2016-03-16 | 2016-07-06 | 国网山东省电力公司章丘市供电公司 | Combined multifunctional stringing car for power transmission line and stringing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130623 |