CN103726710A - Lattice type derrick of electric transmission line - Google Patents

Lattice type derrick of electric transmission line Download PDF

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Publication number
CN103726710A
CN103726710A CN201310753253.1A CN201310753253A CN103726710A CN 103726710 A CN103726710 A CN 103726710A CN 201310753253 A CN201310753253 A CN 201310753253A CN 103726710 A CN103726710 A CN 103726710A
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China
Prior art keywords
lattice type
type pole
standard knot
joint
flange
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Pending
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CN201310753253.1A
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Chinese (zh)
Inventor
郝玉靖
倪达
缪谦
夏拥军
马一民
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BEIJING SINOMA COMPOSITE AUTO PARTS Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
China Electric Power Research Institute Co Ltd CEPRI
Original Assignee
BEIJING SINOMA COMPOSITE AUTO PARTS Co Ltd
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING SINOMA COMPOSITE AUTO PARTS Co Ltd, State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI filed Critical BEIJING SINOMA COMPOSITE AUTO PARTS Co Ltd
Priority to CN201310753253.1A priority Critical patent/CN103726710A/en
Publication of CN103726710A publication Critical patent/CN103726710A/en
Priority to PCT/CN2014/095457 priority patent/WO2015101272A1/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • E04H12/10Truss-like structures

Abstract

A lattice type derrick of an electric transmission line is formed by connecting a suspension base, a standard knot and a pulley in sequence. The two ends of the standard knot are provided with conical end joints. The standard knot and the end joints are formed by a plurality of joint bodies. Each joint body is made of carbon fiber reinforced resin matrix composite materials, and the adjacent joint bodies are connected through a flange. Each joint body of the standard knot comprises four vertical main pipes which are distributed in a rectangular mode and inclined pipes arranged between every two adjacent main pipes. Each end joint body comprises four main pipes which are distributed in a conical mode and inclined pipes between every two adjacent main pipes. Each flange comprises a rectangular base and inserting pipes arranged in the four corners of the rectangular base, and the main pipes of the standard knot and the main pipes of the end joints are inserted into the inserting pipes respectively to be bonded through glue. The derrick is made of the carbon fiber reinforced resin matrix composite materials and is high in strength and light in weight.

Description

A kind of transmission line of electricity lattice type pole
Technical field
The present invention relates to a kind of transmission line of electricity pole, be specifically related to a kind of transmission line of electricity lattice type pole.
Background technology
At present, the construction of domestic transmission line construction tower erection mainly contains two kinds of tubular type and lattices by the body of rod pattern of pole, and lattice type pole is conducted oneself with dignity lighter under same supporting capacity than monomer pillar, and longitudinal stability is better, and flexural strength is large, and lateral deformation is little.
Have steel standard knot and aluminum standard that pole is generally used with material save.Steel density is large, and the pole of making is heavier, is unfavorable for mounting or dismounting and carrying.Aluminium density is relatively little, and after the pole of making connects steel flange, weight increases, and is not easy to the severe regional work transmission line construction of artificial installation and carrying, the particularly mountain area of physical features complexity and environment; Along with the progress of material science, galss fiber reinforced resin based composites is that glass fiber reinforced plastic is applied to pole gradually, but glass fiber reinforced plastic pole exists following shortcoming:
(1) modulus of elasticity is low: the modular ratio steel of glass fiber reinforced plastic is little 5 times, and rigidity is lower.
(2) the heatproof phase is not long: glass fiber reinforced plastic generally can not at high temperature be used for a long time, and for example general purpose polyester glass fiber reinforced plastic is general only 100 ℃ of following uses; Universal fiber glass epoxy is more than 60 ℃, but intensity has obvious decline.
(3) easily aging: under the effects such as ultraviolet ray, wind sand sleet, chemical mediator, mechanical stress, performance easily declines.
Summary of the invention
The object of this invention is to provide the transmission line of electricity lattice type pole that a kind of intensity is high, lightweight, made by carbon fiber enhancement resin base composite material.
Concrete scheme of the present invention is: a kind of transmission line of electricity lattice type pole, described lattice type pole is by the base that suspends, standard knot and pulley connect to form in turn, the two ends of described standard knot are provided with tapering point joint, described standard knot and end joint are comprised of multiple joint bodies, described joint body is to be made by carbon fiber enhancement resin base composite material, between adjacent segments body, by flange, connect, the joint body of described standard knot comprises by the inclined tube between four of rectangular arrangement vertical supervisors and adjacent supervisor, described end joint joint body comprises by the inclined tube between four supervisors of tapered arrangement and adjacent supervisor, described flange comprises rectangular base and is arranged on the intubate of four jiaos of described rectangular base, the supervisor of described standard knot and end joint inserts respectively in described intubate bonding by glue.
Adopt technique scheme, technique effect of the present invention has:
Pole in the present invention adopts carbon fiber enhancement resin base composite material to make, and its tool has the following advantages:
(1) there is high specific strength and specific modulus; Density is low, and its intensity is 4 times of left and right of high strength steel and aluminium alloys, 2 times of glass fiber reinforced plastic; Specific modulus is 3 times of glass fiber reinforced plastic.
(2) endurance; Under static state, carbon fiber enhancement resin base composite material circulation 105 times, just destroyed while bearing 90% ultimate strength stress, and steel can only bear 50% left and right of ultimate strength.
(3) coefficient of thermal expansion is little; The thermalexpansioncoefficientα of carbon fiber has significant anisotropy, makes the α of its composite material also have anisotropy.
(4) wear-resisting wiping, resistance to wears; Carbon fiber enhancement resin base composite material has good fatigue-resistance characteristics, coefficient of thermal expansion is little and thermal conductivity is high characteristic, the wear-resisting wiping of tool, wear-resistant key property.
(5) good corrosion resistance.The corrosion resistance of carbon fiber is very excellent, and in acid, alkali, salt and solvent, long-term immersion can swellingly not gone bad.
(6) water-tolerant.Carbon fiber enhancement resin base composite material can be used for a long time in wet environment and water.General higher along the strength retention of machine direction, lower perpendicular to the conservation rate of machine direction.
(7) good conductivity; Carbon fiber has electric conductivity.
Pole in the present invention has adopted pipe as main and auxiliary material, has reduced the impact of wind load on stability; Integrated member adopts assembling design, and multiple joint body connects by flange, according to different lifting capacities, requires design standard moulds, is convenient to realize mass production, facilitates processing and manufacturing; The present invention adopts software ANSYS element of construction optimal design, has reduced pole sectional dimension and weight, is convenient to mountain area transportation and uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of lattice type pole of the present invention;
Fig. 2 is the connection diagram of supervisor of the present invention and flange;
Fig. 3 is flange arrangement schematic diagram of the present invention;
Fig. 4 is flange top view of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of transmission line of electricity lattice type pole, described lattice type pole is by the base 7 that suspends, standard knot 1 and pulley 6 connect to form in turn, the two ends of described standard knot 1 are provided with tapering point joint, described end joint comprises upper end joint 2 and lower end joint 3, described upper end joint 2, standard knot 1, lower end joint 3 is comprised of multiple joint bodies, between adjacent segments body, by flange 4, connect, as shown in Figure 3 and Figure 4, described flange 4 comprises rectangular base 8 and is arranged on the intubate 5 of four jiaos of described rectangular base, described intubate 5 is preferably aluminium alloys, described upper end joint 2, standard knot 1, the supervisor of lower end joint 3 inserts respectively in described intubate 5 bonding by epoxy glue, described intubate 5 surroundings are provided with the bolt hole 9 that is fan-shaped layout, between the flange 4 of adjacent segments body, be bolted, one end of described rectangular base 8 limit portions is provided with anchor ear, and the two ends of described inclined tube are fastened in the anchor ear that is axially diagonal layout, the material that described flange 4 preferably adopts is steel Q345, the joint body of described standard knot 1 comprises by the inclined tube between four of rectangular arrangement vertical supervisors and adjacent supervisor, described inclined tube is diagonal setting between adjacent supervisor, between the joint body of described standard knot 1, by flange 4, connect, and the intubate in this flange 5 vertically arranges, the joint body of described lower end joint 3 comprises by the inclined tube between four supervisors of tapered arrangement and adjacent supervisor, described tapered arrangement is to be responsible for from top to bottom to gather, described inclined tube is diagonal setting between adjacent supervisor, between the joint body of described lower end joint 3, by flange 4, connect, and these flange 4 mouths of pipe intubate is upward outward-dipping, mouth of pipe intubate down slopes inwardly, and makes the intubate of flange 4 be oriented an oblique line, the joint body of described upper end joint 2 comprises by the inclined tube between four supervisors of tapered arrangement and adjacent supervisor, described tapered arrangement is to be responsible for from the bottom to top to gather, described inclined tube is diagonal setting between adjacent supervisor, between the joint body of described upper end joint 2, by flange 4, connect, and these flange 4 mouths of pipe intubate upward slopes inwardly, mouth of pipe intubate is down outward-dipping, and makes the intubate of flange 4 be oriented an oblique line, described suspension base 7 comprises chassis and is arranged on the channel-section steel on chassis, in described channel-section steel, is provided with pulley, the material that described pulley 6 adopts is steel Q235, described supervisor is made by winding shaping process by carbon fiber enhancement resin base composite material, described inclined tube is to be made by pultrusion molding process by carbon fiber enhancement resin base composite material, and described carbon fiber enhancement resin base composite material comprises carbon fiber and epoxy resin two parts.
Below in conjunction with concrete test, lattice type pole of the present invention is described further, the dimensional parameters of the lattice type pole of testing is as shown in table 1:
The dimensional parameters of table 1 lattice type pole
Performance Value
Mobile jib external diameter (mm) 70
Mobile jib wall thickness (mm) 5
Auxiliary bar external diameter (mm) 40
Auxiliary bar wall thickness (mm) 2.5
Bottom section width (mm) 240
Middle part breadth of section (mm) 480
Top cross-section width (mm) 240
Bottom cone segment length (m) 4
Apex cone segment length (m) 4
Middle segment length (m) 4×3
[0028]first testing post is by the maximum axial pressure being produced by hoisting heavy, if consider the impact of rope, pulley and other annexes of pole top, the quality summation of getting these objects is 500kg, and the axial pressure of pole is:
N’=N+500*9.8
In formula, the COMPREHENSIVE CALCULATING pressure that N is pole, the data of pole under different angle are as table 2:
The aggregation of table 2 pole data result
Figure 2013107532531100002DEST_PATH_IMAGE001
The present invention adopts carbon fiber enhancement resin base composite material, and the physical and mechanical properties of itself and steel, aluminium alloys is more as shown in table 3:
The physical and mechanical properties comparison of table 3 composite material and steel, aluminium alloys
Figure 2013107532531100002DEST_PATH_IMAGE002
Figure 2013107532531100002DEST_PATH_IMAGE003
As can be seen from Table 3, the combination property of carbon fiber enhancement resin base composite material is more excellent than glass fiber reinforced plastic, and specific strength exceedes 20 times of steel, is 7 times of aluminium alloys, 2 times of glass fiber reinforced plastic.Modulus of elasticity is 2.5 times of glass fiber reinforced plastic.Therefore, adopt carbon fiber enhancement resin base composite material to manufacture pole.
Supervisor in the present invention is made by winding shaping process by carbon fiber enhancement resin base composite material; Supervisor's mechanical property parameters of making by winding shaping process is as shown in table 4:
The Wrapping formed mechanical property parameters of table 4
Inclined tube in the present invention is to be made by pultrusion molding process by carbon fiber enhancement resin base composite material; The inclined tube mechanical property parameters of making by pultrusion molding process is as shown in table 5:
Table 5 pultrusion mechanical property parameters
Figure 2013107532531100002DEST_PATH_IMAGE005
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.

Claims (9)

1. a transmission line of electricity lattice type pole, described lattice type pole is by the base that suspends (7), standard knot (1) and pulley (6) connect to form in turn, it is characterized in that, the two ends of described standard knot (1) are provided with tapering point joint, described standard knot (1) and end joint are comprised of multiple joint bodies, described joint body is to be made by carbon fiber enhancement resin base composite material, between adjacent segments body, by flange (4), connect, the joint body of described standard knot (1) comprises by the inclined tube between four of rectangular arrangement vertical supervisors and adjacent supervisor, described end joint joint body comprises by the inclined tube between four supervisors of tapered arrangement and adjacent supervisor, described flange (4) comprises rectangular base (8) and is arranged on the intubate (5) of four jiaos of described rectangular base, the supervisor of described standard knot (1) and end joint inserts respectively in described intubate (5) bonding by glue.
2. lattice type pole as claimed in claim 1, is characterized in that, described intubate (5) surrounding is provided with the bolt hole (9) that is fan-shaped layout, between the flange (4) of adjacent segments body, is bolted.
3. lattice type pole as claimed in claim 1, is characterized in that, one end of described rectangular base (8) limit portion is provided with aluminium alloys anchor ear, and the two ends of described inclined tube are fastened in the anchor ear that is axially diagonal layout.
4. lattice type pole as claimed in claim 1, is characterized in that, the material that described flange (4) adopts is steel Q345.
5. lattice type pole as claimed in claim 1, is characterized in that, described suspension base (7) comprises chassis and is arranged on the channel-section steel on chassis, in described channel-section steel, is provided with pulley.
6. the lattice type pole as described in claim 1 or 5, is characterized in that, the material that described pulley adopts is steel Q235.
7. lattice type pole as claimed in claim 1, is characterized in that, described supervisor is made by winding shaping process by carbon fiber enhancement resin base composite material.
8. lattice type pole as claimed in claim 1, is characterized in that, described inclined tube is to be made by pultrusion molding process by carbon fiber enhancement resin base composite material.
9. lattice type pole as claimed in claim 1, is characterized in that, described glue is epoxy glue.
CN201310753253.1A 2013-12-31 2013-12-31 Lattice type derrick of electric transmission line Pending CN103726710A (en)

Priority Applications (2)

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PCT/CN2014/095457 WO2015101272A1 (en) 2013-12-31 2014-12-30 Power transmission line lattice holding pole

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015101272A1 (en) * 2013-12-31 2015-07-09 国家电网公司 Power transmission line lattice holding pole
CN105003118A (en) * 2015-07-27 2015-10-28 中国电力科学研究院 Pole for assembling power transmission towers
CN113501445A (en) * 2021-07-29 2021-10-15 南京讴歌机械制造有限公司 Floor holding pole

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107916821A (en) * 2017-12-23 2018-04-17 中国电力工程顾问集团西北电力设计院有限公司 A kind of four column steel pipe pole terminal tower of high altitude localities 330kV double loops
CN109779382A (en) * 2019-03-18 2019-05-21 国网上海市电力公司 A kind of scalable unipods post mounting accessories for steel pipe pole construction
CN110541598A (en) * 2019-10-22 2019-12-06 张卫民 Pole is embraced in extra-high voltage iron tower assemblage
CN114319993B (en) * 2021-12-31 2023-10-20 国网江苏省电力有限公司建设分公司 Electric pole standard knot assembly diagonal adjustment tool

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Publication number Priority date Publication date Assignee Title
JPH04111829A (en) * 1990-08-30 1992-04-13 Shimizu Corp Method for constructing large-span roof
JPH04203079A (en) * 1990-11-30 1992-07-23 Kyushu Denki Kensetsu Koji Kk Column body and assembly method thereof
CN101545329A (en) * 2009-04-15 2009-09-30 四川电力送变电建设公司 Circular pipe type inner suspended holding pole
CN202139891U (en) * 2011-07-13 2012-02-08 汉中群峰机械制造有限公司 Internal suspension type embraced bar
CN102434384A (en) * 2011-11-11 2012-05-02 张向增 Novel composite material blade of horizontal shaft wind generating set
CN102644403A (en) * 2011-06-24 2012-08-22 国家电网公司直流建设分公司 Holding pole with detachable standard knots
CN203795946U (en) * 2013-12-31 2014-08-27 国家电网公司 Electric transmission line lattice type derrick

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726710A (en) * 2013-12-31 2014-04-16 国家电网公司 Lattice type derrick of electric transmission line

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04111829A (en) * 1990-08-30 1992-04-13 Shimizu Corp Method for constructing large-span roof
JPH04203079A (en) * 1990-11-30 1992-07-23 Kyushu Denki Kensetsu Koji Kk Column body and assembly method thereof
CN101545329A (en) * 2009-04-15 2009-09-30 四川电力送变电建设公司 Circular pipe type inner suspended holding pole
CN102644403A (en) * 2011-06-24 2012-08-22 国家电网公司直流建设分公司 Holding pole with detachable standard knots
CN202139891U (en) * 2011-07-13 2012-02-08 汉中群峰机械制造有限公司 Internal suspension type embraced bar
CN102434384A (en) * 2011-11-11 2012-05-02 张向增 Novel composite material blade of horizontal shaft wind generating set
CN203795946U (en) * 2013-12-31 2014-08-27 国家电网公司 Electric transmission line lattice type derrick

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015101272A1 (en) * 2013-12-31 2015-07-09 国家电网公司 Power transmission line lattice holding pole
CN105003118A (en) * 2015-07-27 2015-10-28 中国电力科学研究院 Pole for assembling power transmission towers
WO2017016369A1 (en) * 2015-07-27 2017-02-02 中国电力科学研究院 Tower crane for assembling power transmission tower
CN105003118B (en) * 2015-07-27 2018-07-17 中国电力科学研究院 A kind of pole for assembling power transmission tower
CN113501445A (en) * 2021-07-29 2021-10-15 南京讴歌机械制造有限公司 Floor holding pole

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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE STATE GRID

Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE BEIJING SINOMA COMPOSITE AUTO PARTS CO., LTD.

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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

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Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

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Application publication date: 20140416

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