CN101709605B - Amplitude variation type pull wire of holding rod - Google Patents
Amplitude variation type pull wire of holding rod Download PDFInfo
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- CN101709605B CN101709605B CN2009101551439A CN200910155143A CN101709605B CN 101709605 B CN101709605 B CN 101709605B CN 2009101551439 A CN2009101551439 A CN 2009101551439A CN 200910155143 A CN200910155143 A CN 200910155143A CN 101709605 B CN101709605 B CN 101709605B
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- backguy
- holding rod
- connecting hole
- pull wire
- amplitude variation
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- 238000010276 construction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to an amplitude variation type pull wire of a holding rod, comprising the holding rod, a pull wire and an amplitude variation system, wherein one end of the holding rod is articulated with a main pipe positioned on the stable structure of a high tower; the upper side of the other end of the holding rod is provided with a connecting hole of the pull wire; the connecting hole of the pull wire is connected with the lower end of the pull wire; the upper end of the pull wire is connected with the upper end of the main pipe to be regulated; the lower side of the other end of the holding rod is provided with a connecting hole of the amplitude variation system; the upper end of the amplitude variation system is connected with the connecting hole of the amplitude variation system, and the lower end of the same is connected with an ground anchor on the ground. The invention provides a method for regulating the top of the main pipe to camber outwards, which has reduced field requirements, good applicability and convenient construction.
Description
Technical field
The invention belongs to the instrument in the upright process of iron tower group, especially a kind of backguy.
Background technology
The upright process of electric transmission line high tower group is: upright by each rock-steady structure segmentation group, and when group is found each rock-steady structure, the person in charge of each tower leg at first in place, then corresponding horizontal pipe in place again or inclined tube.And when horizontal tube in place or inclined tube, because the self structure characteristics of high tower, promptly root is opened gradually and is dwindled from bottom to top, and body of the tower is responsible for and self is all had the inclination angle to the body of the tower inboard, so after high tower is responsible in place getting well, being responsible for can be because of deadweight produces certain introversion on theoretical size basis, and the mismachining tolerance of flange also can produce certain introversion in addition, thus make horizontal tube or inclined tube with regard to the distance X of both sides, site flange less than the actual range for the treatment of horizontal tube in place or inclined tube.For finishing horizontal tube smoothly or inclined tube is in place, need make and be responsible for the suitable flare in top by external force, make horizontal tube or inclined tube with regard to about the real size big 20mm of site distance X, to realize the in place of horizontal tube or inclined tube than horizontal tube or inclined tube.And in this process, the installation quality of being responsible for for guaranteeing requires to guarantee to be responsible for that side clearance is no more than standard in each adpting flange, prevents that the flange gap from can't be eliminated by tight flange bolt after good in that horizontal tube and inclined tube are in place.
Usually adopt dual mode in the prior art:
(1), the remote 45 backguy forms of being outside one's consideration: this form is to be responsible for the 45 ground configuration backguy anchoring piles of being outside one's consideration side, and arranges tackle pulley being responsible between top and the backguy anchoring pile.By tightening up tackle pulley,, make person in charge top produce corresponding flare being responsible for top generation horizontal component F.Be not less than 35 degree because of need guarantee backguy with being responsible for angle, also just require longer-distance guy anchor (high tower is high more, and then corresponding distance is far away more) to be set being responsible for 45 sides of being outside one's consideration, so under the limited on construction ground situation, this method can't be implemented;
(2), crossbeam form: this form is to be responsible for the fixedly crossbeam of trussed construction of top two, and the adjusting device of band screw rod is set on the crossbeam, by adjusting adjusting device, produces horizontal force F, thereby makes person in charge top produce corresponding flare.Open greatlyyer as the high tower root, then crossbeam need satisfy slenderness ratio and amount of deflection requirement, and then sectional dimension is very big and deadweight is also heavier, and is extremely inconvenient concerning construction.
Summary of the invention
For the site requirements height that overcomes existing backguy, poor for applicability, deficiency that construction is inconvenient, the invention provides and a kind ofly reduce that site requirements, applicability are good, the amplitude variation type pull wire of holding rod of easy construction.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of amplitude variation type pull wire of holding rod, comprise pole, backguy and changing-breadth system, the person in charge at one end of described pole and high tower rock-steady structure place is hinged, the other end upside of described pole is provided with the backguy connecting hole, described backguy connecting hole is connected with the lower end of backguy, the upper end of described backguy is connected with the person in charge to be adjusted upper end, the other end downside of described pole is provided with the changing-breadth system connecting hole, the upper end of described changing-breadth system is connected with described changing-breadth system connecting hole, and the lower end of described changing-breadth system is connected with the ground earth anchor.
Further, described changing-breadth system is the luffing tackle pulley, described luffing tackle pulley comprises two coasters and wire rope, described wherein coaster is connected on the described changing-breadth system connecting hole, the another coaster then is connected on the earth anchor of ground, described wire rope one end is connected in described wherein coaster afterbody lockhole, and walks around described two coasters, and the other end of described wire rope is connected with drive unit after guiding to described ground earth anchor.
Further, described backguy is two, and the lower end of two backguys all is connected with described backguy connecting hole, and the upper end of two backguys is connected with the flange both sides of the person in charge to be adjusted upper end respectively.
Described pole is a trussed construction, described pole comprises head sections, standard paragraphs, root section and hinged-support, wherein, head sections is provided with backguy connecting hole and changing-breadth system connecting hole, fixedly connected between head sections, standard paragraphs, the root section, be hinged between root section and the hinged-support, hinged-support be responsible between for fixedlying connected.
Angle between described backguy and the described pole is between 85 °～95 °, and the angle between the described backguy and the person in charge to be adjusted is positioned between 35 °～60 °.
Described drive unit is a chain block.
Technical conceive of the present invention is: with reference to Fig. 1, the adjusting chain block by operate ground tightens up changing-breadth system, making pole is that the center produces minor rotation downwards with the pin joint, makes person in charge top produce corresponding flare thereby produce horizontal component F1, sees shown in Figure 1, wherein, backguy is by the fixed length setting.
Beneficial effect of the present invention mainly shows: amplitude variation type pull wire of holding rod is then because of adopting pole luffing form, greatly reduce the requirement in place, and site requirements and high tower height do not have direct relation, and with respect to the crossbeam form, the pole cross section can be littler, and length is shorter, and is therefore restricted for island, construction plant such as marine, and it is upright that root is opened bigger high tower group, should adopt amplitude variation type pull wire of holding rod.
Description of drawings
Fig. 1 is the schematic diagram of amplitude variation type pull wire of holding rod.
Fig. 2 is the structural representation of amplitude variation type pull wire of holding rod.
Fig. 3 is that the A of Fig. 2 is to schematic diagram.
Fig. 4 is the structure chart of pole.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 2～Fig. 5, a kind of amplitude variation type pull wire of holding rod, comprise pole 1, backguy 2 and changing-breadth system 3, the person in charge 4 at one end of described pole 1 and high tower rock-steady structure place is hinged, the other end upside of described pole 1 is provided with the backguy connecting hole, described backguy connecting hole is connected with the lower end of backguy 2, the upper end of described backguy 2 is connected with the person in charge to be adjusted upper end, the other end downside of described pole 1 is provided with the changing-breadth system connecting hole, the upper end of described changing-breadth system 3 is connected with described changing-breadth system connecting hole, and the lower end of described changing-breadth system 3 is connected with ground earth anchor 5.
Described changing-breadth system 3 is the luffing tackle pulley, described luffing tackle pulley comprises two coasters and wire rope, described wherein coaster is connected on the described changing-breadth system connecting hole, the another coaster then is connected on the earth anchor of ground, described wire rope one end is connected in described wherein coaster afterbody lockhole, and walk around described two coasters, the other end of described wire rope is connected with drive unit after guiding to described ground earth anchor.
Described backguy is two fixed length wire rope, and the lower end of two wire rope all is connected with described backguy connecting hole, and the upper end of two wire rope is connected with the flange both sides of the person in charge to be adjusted upper end respectively.
Described pole 1 is a trussed construction, described pole comprises head sections 6, standard paragraphs 7, root section 8 and hinged-support 9, wherein, head sections 6 is provided with backguy connecting hole 10 and changing-breadth system connecting hole 11, fixedly connected between head sections 6, standard paragraphs 7, the root section 8, root section 8 be hinged with hinged-support 9, between hinged-support 9 and the person in charge for fixedlying connected.
Angle between described backguy 2 and the described pole 1 is between 85 °～95 °, and the angle between the described backguy 2 and the person in charge to be adjusted is between 35 °～60 °.
Described drive unit is a chain block.
The amplitude variation type pull wire of holding rod of present embodiment mainly is made up of pole 1, backguy 2, changing-breadth system 3, and the primary structure form is seen shown in Figure 2.Wherein: (1) pole 1 adopts trussed construction, see shown in Fig. 4,5, mainly form by head sections, standard paragraphs, root section, hinged-support, wherein, head sections is provided with backguy connecting hole and luffing tackle pulley connecting hole, adopt bolt to connect between head sections, standard paragraphs, the root section, root section then adopts two pins to be connected with hinged-support, hinged-support then by bolt to being responsible for the hinged-support fixed point; (2) two fixed length steel wire covers are adopted in backguy 2, and employing V font (to reduce the lateral deviation power of being responsible for the lateral deviation on the vertical tower heart 45 degree directions and reducing pole), one end is connected with person in charge's top flange by two special draw rings, and opposite side then is connected with the pole head sections by shackle.In addition, for reducing the stressed of luffing tackle pulley, the backguy and the person in charge's angle is controlled at more than 35 degree, and backguy is vertical substantially with pole, to reduce the pole design length; (3) stressed for reducing the tackle pulley tail rope, changing-breadth system 3 adopts the tackle pulley of being made up of coaster, wire rope, is connected in pole head and ground earth anchor by shackle, and of tackle pulley wire rope is caused ground, with handled easily.
During use, only need to tighten up the luffing tackle pulley by the operation chain block, realize that pole is the rotation at center with the pin joint, thereby realize being responsible for the adjustment of top flare easily on ground.In addition, in actual use,, need the pole hinged-support is fixed to the firm group of upright good platform or the appropriate department of K node (rock-steady structure), so, also can make the design length of pole the shortest for satisfying force request.
The amplitude variation type pull wire of holding rod of present embodiment is then because of adopting pole luffing form, greatly reduce the requirement in place, and site requirements and high tower height do not have direct relation, and with respect to the crossbeam form, the pole cross section can be littler, and length is shorter, and is therefore restricted for island, construction plant such as marine, and it is upright that root is opened bigger high tower group, should adopt amplitude variation type pull wire of holding rod.
In the vertical construction of big cat mountain 370m high tower, amplitude variation type pull wire of holding rod has just fully shown its superiority at present.Fast development along with electric utility, connection island engineering also is on the increase, with Zhejiang Province is example, the big leap of spiral shell head water channel as present 220kV Zhoushan and continent networking work transmission line reaches curved big leap the in the 500kV Leqing of planning, is all the space that amplitude variation type pull wire of holding rod is applied provides wide.
Claims (6)
1. amplitude variation type pull wire of holding rod, it is characterized in that: described amplitude variation type pull wire of holding rod comprises pole, backguy and changing-breadth system, the person in charge at one end of described pole and high tower rock-steady structure place is hinged, the other end upside of described pole is provided with the backguy connecting hole, described backguy connecting hole is connected with the lower end of backguy, the upper end of described backguy is connected with the person in charge to be adjusted upper end, the other end downside of described pole is provided with the changing-breadth system connecting hole, the upper end of described changing-breadth system is connected with described changing-breadth system connecting hole, and the lower end of described changing-breadth system is connected with the ground earth anchor.
2. amplitude variation type pull wire of holding rod as claimed in claim 1, it is characterized in that: described changing-breadth system is the luffing tackle pulley, described luffing tackle pulley comprises two coasters and wire rope, described wherein coaster is connected on the described changing-breadth system connecting hole, the another coaster then is connected on the earth anchor of ground, described wire rope one end is connected in described wherein coaster afterbody lockhole, and walks around described two coasters, and the other end of described wire rope is connected with drive unit after guiding to described ground earth anchor.
3. amplitude variation type pull wire of holding rod as claimed in claim 1 or 2 is characterized in that: described backguy is two, and the lower end of two backguys all is connected with described backguy connecting hole, and the upper end of two backguys is connected with the flange both sides of the person in charge to be adjusted upper end respectively.
4. amplitude variation type pull wire of holding rod as claimed in claim 1 or 2, it is characterized in that: described pole is a trussed construction, described pole comprises head sections, standard paragraphs, root section and hinged-support, wherein, head sections is provided with backguy connecting hole and changing-breadth system connecting hole, fixedly connected between head sections, standard paragraphs, the root section, root section and hinged-support are hinged.
5. amplitude variation type pull wire of holding rod as claimed in claim 1 or 2 is characterized in that: the angle between described backguy and the described pole is between 85 °～95 °, and the angle between the described backguy and the person in charge to be adjusted is between 35 °～60 °.
6. amplitude variation type pull wire of holding rod as claimed in claim 2 is characterized in that: described drive unit is a chain block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101551439A CN101709605B (en) | 2009-12-03 | 2009-12-03 | Amplitude variation type pull wire of holding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101551439A CN101709605B (en) | 2009-12-03 | 2009-12-03 | Amplitude variation type pull wire of holding rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709605A CN101709605A (en) | 2010-05-19 |
| CN101709605B true CN101709605B (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101551439A Active CN101709605B (en) | 2009-12-03 | 2009-12-03 | Amplitude variation type pull wire of holding rod |
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| CN (1) | CN101709605B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535337A (en) * | 2010-12-07 | 2012-07-04 | 上海船厂船舶有限公司 | Overwater bridge lifting equipment and method |
| CN102277999B (en) * | 2011-04-29 | 2014-12-17 | 天津送变电工程公司 | Large-section portal steel structure holding pole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641266A1 (en) * | 1989-01-05 | 1990-07-06 | Roux Ind Sa | Device for setting posts, pillars or the like vertically straight |
| CN101451408A (en) * | 2008-12-25 | 2009-06-10 | 中国电力科学研究院 | Holding poles with steel-aluminium composite type standard nodes |
-
2009
- 2009-12-03 CN CN2009101551439A patent/CN101709605B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641266A1 (en) * | 1989-01-05 | 1990-07-06 | Roux Ind Sa | Device for setting posts, pillars or the like vertically straight |
| CN101451408A (en) * | 2008-12-25 | 2009-06-10 | 中国电力科学研究院 | Holding poles with steel-aluminium composite type standard nodes |
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| Publication number | Publication date |
|---|---|
| CN101709605A (en) | 2010-05-19 |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121206 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121206 Address after: Jianggan District Qingchun Road Hangzhou city Zhejiang province 310016 No. 87 Patentee after: Zhejiang Electric Power Transmission and Transforming Engineering Co. Patentee after: State Grid Corporation of China Address before: Jianggan District Qingchun Road Hangzhou city Zhejiang province 310016 No. 87 Patentee before: Zhejiang Electric Power Transmission and Transforming Engineering Co. |