CN1458377A - Mounting method for large span power transmission tower - Google Patents
Mounting method for large span power transmission tower Download PDFInfo
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- CN1458377A CN1458377A CN 03140535 CN03140535A CN1458377A CN 1458377 A CN1458377 A CN 1458377A CN 03140535 CN03140535 CN 03140535 CN 03140535 A CN03140535 A CN 03140535A CN 1458377 A CN1458377 A CN 1458377A
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- derrick
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Abstract
The present invention provides a mounting method of large span power transmission tower. One section of erect derrick is first installed in the middle of the tower foundation, and one hoisting machine is installed via a four-rocker holding rod to the top of the derrick. After one section of tower member is elevated onto the tower foundation with the hoisting machine, the section of tower member is used as support to elevate the erect derrick and the hoisting machine, and one other section of derrick is connected and fixed with inner flanges. The combined and fixed derrick is then used as the support to hoist one other section of tower member onto the fore installed one before being assembled and connected, and so on, until the whole tower is mounted. The present invention has high stability, firm structure, less covered area, low in mounting cost and many other advantages.
Description
Technical field
What the present invention relates to is a kind of mounting method of overhead transmission line iron tower, and especially a kind of mounting method of big leap electric power pylon belongs to the transmission facility class.
Background technology
The installation of existing electric power pylon, especially adopt following three kinds of methods mostly for the installation of the iron tower of large span:
(1) landing soaring gin pole installs method, because conventional gin pole cross dimensions is generally less, it only is applicable to the engineering that span and tower height are all less, and for bigger leap power transmission engineering, gin pole height and brachium commonly used all differ too many, the bearing capacity in cross section is also not enough greatly, if processing again specially, expense is very high; The pole of gin pole of landing in addition can not rotate, and the iron tower member of lifting can only be from promoting along circuit and horizontal path both direction, and it is applicable to the power transmission engineering that span and tower height are all less equally.
(2) the cantilever gin pole is installed method, though the erection equipment expense is lower, its fulcrum partly is a foundation with mounted iron tower, and the bottom of gin pole is seated on the flexible steel strand, so its stability is very undesirable.Simultaneously, when it will carry out further work, the lifting of the self-position comparison difficulty that also seems, because the workload of work high above the ground is more, safety is poor.
(3) tower crane is installed method, and it is the normal mounting method that adopts in the high-building construction, and in the installation of big leap high tower, its attachment arm rides on the pylon of iron tower, and the advantage of this installation method is more stable, and safety is better; Its shortcoming is that investment cost is higher, and the basic expense of light tower crane just needs ten thousand yuan of 30---50, simultaneously, tower crane itself to carry body also more bothersome, the progress of installing is had certain influence; In addition, the horizontal force that attachment arm produces during owing to installation is bigger, makes body of the tower that some distortion be arranged, and this is cumbersome in last adjustment.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned existence, and provide a kind of floor space little, sound construction and installation effectiveness height, the mounting method of the big leap electric power pylon that cost is low.It is to build one section upright derrick of middle installation earlier on column foot ground, the end of derrick is equipped with four rocking arm poles, utilize hoisting machine on the pole to lift tower member and be used to install iron tower, be support with this pylon again, upright derrick is promoted together with hoisting machine, and it is also fixing to insert one section derrick under the derrick that is raised again, do the basis with the derrick that makes up after fixing again, lifting another part tower member to the last period pylon top and assembling with hoisting machine connects, whole big installation of crossing over electric power pylon is finished in so circulation.
The upper end of described derrick be installed with the band rotating disk, four rocking arm aluminium alloys poles, hoisting machine on it lifts by crane a section tower member on the hard-wired pylon and is connected and fixed, and the tabula face that has overlapped the tower member of finishing is provided with one the four jiaos square chase waist hoops of holding with tower member master vertical rod.
The present invention is after the intact a part of tower member of described every fixed installation, and pylon is provided with to connect and promotes the link plate of derrick with assembly pulley, and is connected in the bottom of derrick by stay cord and assembly pulley, and derrick is promoted a height together with hoisting machine.
Described part derrick is after being raised, and its underpart stack another part derrick also connects them as jointing with interior cover flange, lands backguy and also be connected with uniform four in the upper end of derrick.
The present invention compared with prior art not only has simple in structurely, and steadiness is good, sound construction, and floor space is little; But also have the saving mounting cost, and reducing cost, the installation handling safety is reliable, makes the efficient of installation characteristics such as improve greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of the present invention when lifting the iron tower member.
Fig. 3 is the structural representation of the present invention when derrick promotes.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing: shown in Figure 1, and the pylon 3 that the present invention is mainly interconnected and constituted by members such as main vertical rod 1 and cross bars 2.This pylon 3 fixedly stands on the ground, and its top is equipped with coil holder 4, is used to set up power line.Be mounted with the upright derrick 5 that is made of the iron member in the middle of the ground in the pylon 3, this derrick 5 is directly connected in the coil holder 4 of tower top.Outside derrick 5, be equipped with from top to bottom can for maintenance, installation personnel up and down step on high building ladder 6.The iron member of described formation derrick includes mobile jib 7, cross bar 8 and support bar 9 etc.Described derrick 5 is by superimposed being formed by connecting about a section, and the cover flange is as the jointing of derrick in adopting between each section.
Other embodiments of the invention also can be to constitute derrick with pipe, are equipped with on the outer arm of pipe derrick and step on the high building ladder.Because the installation derrick height of large crossing tower is very high, in order to guarantee the stable of its depression bar, should reduce its slenderness ratio as much as possible, therefore consider in position to be provided with one the four jiaos waist hoops with the square chase shape of iron tower mobile jib pulling in the constructure scheme design, there is the gap less than 1 centimetre the outside of its inner edge size and four main materials of derrick, when derrick equipment is in running order, as long as having, derrick body portion is out of shape deflection slightly, the waist hoop just can be used as one and names a person for a particular job that it firmly withstands.
The mounting method of electric power pylon of the present invention has made full use of a section characteristics that successively overlap of derrick and pylon, as shown in Figures 2 and 3.In the middle of building column foot ground, one section upright derrick 5 is installed earlier, the upper end of derrick 5 is equipped with the four rocking arm aluminium alloys poles 13 that have rotating disk 12, hoisting machine 10 is housed on this pole, there is the end of a straight-bar 11, straight-bar 11 to be connected with four on this hoisting machine 10 and lands backguy 14, firm with the lifting that guarantees hoisting machine.Utilize this hoisting machine 10 to lift a part of tower member 3 after building column foot ground, be support with this tower member 3 again, upright derrick is upwards promoted together with hoisting machine 10, and insert one section derrick in derrick 5 bottoms that are raised again and be connected mutually with interior cover flange.Again making up derrick after fixing as the basis, with hoisting machine 10 lift again another part tower member 3 to the last period tower member and assembling connect, so circulation, thus finish the installation of whole big leap electric power pylon.For guaranteeing to promote smoothly derrick, behind the intact one section pylon 5 of every fixed installation, pylon is provided with to connect and promotes the link plate of derrick with assembly pulley, through the bottom of assembly pulley to derrick, derrick is promoted a height together with hoisting machine with stay cord.
Claims (4)
1, a kind of mounting method of big leap electric power pylon, it is characterized in that building one section upright derrick of middle installation earlier on column foot ground, the end of derrick is installed with four rocking arm poles, utilize hoisting machine on the pole to lift tower member and be used to install iron tower, be support with this pylon again, upright derrick is promoted together with hoisting machine, and it is also fixing to insert one section derrick under the derrick that is raised again, do the basis with the derrick that makes up after fixing again, lifting another part tower member to the last period tower member top and assembling with hoisting machine connects, whole big installation of crossing over electric power pylon is finished in so circulation.
2, the mounting method of big leap electric power pylon according to claim 1, the upper end that it is characterized in that described derrick be installed with the band rotating disk, four rocking arm aluminium alloys poles, hoisting machine on it lifts by crane a section tower member on the hard-wired tower member and is connected and fixed, and the tabula face that has overlapped the tower member of finishing is provided with one the four jiaos square chase waist hoops of holding with tower member master vertical rod.
3, the mounting method of big leap electric power pylon according to claim 1 and 2, after it is characterized in that the intact a part of tower member of described every fixed installation, pylon is provided with to connect and promotes the link plate of derrick with assembly pulley, and be connected in the bottom of derrick by stay cord and assembly pulley, derrick is promoted a height together with hoisting machine.
4, the mounting method of big leap electric power pylon according to claim 3, it is characterized in that described part derrick is after being raised, its underpart stack another part derrick also connects them as jointing with interior cover flange, lands backguy and also be connected with uniform four in the upper end of derrick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031405355A CN1180173C (en) | 2003-05-28 | 2003-05-28 | Mounting method for large span power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031405355A CN1180173C (en) | 2003-05-28 | 2003-05-28 | Mounting method for large span power transmission tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1458377A true CN1458377A (en) | 2003-11-26 |
| CN1180173C CN1180173C (en) | 2004-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031405355A Expired - Fee Related CN1180173C (en) | 2003-05-28 | 2003-05-28 | Mounting method for large span power transmission tower |
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| CN (1) | CN1180173C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449097C (en) * | 2006-12-20 | 2009-01-07 | 韩永波 | Tower or silo frame section pairing method and pairing platform |
| CN101187268B (en) * | 2007-08-08 | 2010-09-29 | 安徽省电力公司淮北供电公司 | Height adjustable transmission iron tower capable of even precipitation |
| CN101967902A (en) * | 2010-09-25 | 2011-02-09 | 中国电力科学研究院 | Basic guide rail for helicopter assembly transmission line iron tower leg section |
| CN101363287B (en) * | 2007-08-07 | 2011-09-28 | 刘玉恩 | Installation method for pylon |
| CN102296867A (en) * | 2011-05-18 | 2011-12-28 | 中国电力科学研究院 | Parallel connection joint of cross sway rod in steel tube tower of transmission line |
| CN102296870A (en) * | 2011-06-17 | 2011-12-28 | 中国电力科学研究院 | Connection joint for steel tube and angle steel in steel tube tower of transmission line |
| CN102359303A (en) * | 2011-10-31 | 2012-02-22 | 湖北省输变电工程公司 | Extra-high voltage common circuit iron tower assembling method |
| CN101586402B (en) * | 2009-06-22 | 2012-08-29 | 华为技术有限公司 | Communication self-supporting tower and loading upgrading method |
| CN106245984A (en) * | 2016-09-26 | 2016-12-21 | 吉林安装集团股份有限公司 | Jack up Multifunctional creeping gin pole |
| CN106285177A (en) * | 2016-08-12 | 2017-01-04 | 上海电力设计院有限公司 | The assemble method of aerial line steel tower |
| CN110778201A (en) * | 2019-11-07 | 2020-02-11 | 苏州圣典企业管理咨询有限公司 | High-pressure tower and installation and erection method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832051B (en) * | 2010-04-18 | 2012-08-15 | 山西省电力公司太原供电分公司 | High-voltage power transmission iron tower with tower neck |
-
2003
- 2003-05-28 CN CNB031405355A patent/CN1180173C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449097C (en) * | 2006-12-20 | 2009-01-07 | 韩永波 | Tower or silo frame section pairing method and pairing platform |
| CN101363287B (en) * | 2007-08-07 | 2011-09-28 | 刘玉恩 | Installation method for pylon |
| CN101187268B (en) * | 2007-08-08 | 2010-09-29 | 安徽省电力公司淮北供电公司 | Height adjustable transmission iron tower capable of even precipitation |
| CN101586402B (en) * | 2009-06-22 | 2012-08-29 | 华为技术有限公司 | Communication self-supporting tower and loading upgrading method |
| CN101967902A (en) * | 2010-09-25 | 2011-02-09 | 中国电力科学研究院 | Basic guide rail for helicopter assembly transmission line iron tower leg section |
| CN101967902B (en) * | 2010-09-25 | 2013-11-27 | 中国电力科学研究院 | Basic guide rail for helicopter assembly transmission line iron tower leg section |
| CN102296867A (en) * | 2011-05-18 | 2011-12-28 | 中国电力科学研究院 | Parallel connection joint of cross sway rod in steel tube tower of transmission line |
| CN102296867B (en) * | 2011-05-18 | 2014-03-12 | 中国电力科学研究院 | Parallel connection joint of cross sway rod in steel tube tower of transmission line |
| CN102296870B (en) * | 2011-06-17 | 2014-03-12 | 中国电力科学研究院 | Connection joint for steel tube and angle steel in steel tube tower of transmission line |
| CN102296870A (en) * | 2011-06-17 | 2011-12-28 | 中国电力科学研究院 | Connection joint for steel tube and angle steel in steel tube tower of transmission line |
| CN102359303B (en) * | 2011-10-31 | 2013-10-09 | 湖北省送变电工程公司 | Extra-high voltage common circuit iron tower assembling method |
| CN102359303A (en) * | 2011-10-31 | 2012-02-22 | 湖北省输变电工程公司 | Extra-high voltage common circuit iron tower assembling method |
| CN106285177A (en) * | 2016-08-12 | 2017-01-04 | 上海电力设计院有限公司 | The assemble method of aerial line steel tower |
| CN106245984A (en) * | 2016-09-26 | 2016-12-21 | 吉林安装集团股份有限公司 | Jack up Multifunctional creeping gin pole |
| CN110778201A (en) * | 2019-11-07 | 2020-02-11 | 苏州圣典企业管理咨询有限公司 | High-pressure tower and installation and erection method thereof |
| CN110778201B (en) * | 2019-11-07 | 2021-05-14 | 苏州圣典企业管理咨询有限公司 | Installation and erection method of high-pressure tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1180173C (en) | 2004-12-15 |
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