CN105064759A - GFRP (glass fiber reinforced plastic) tubed reinforced concrete combination multi-circuit transmission pole - Google Patents

GFRP (glass fiber reinforced plastic) tubed reinforced concrete combination multi-circuit transmission pole Download PDF

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Publication number
CN105064759A
CN105064759A CN201510423988.7A CN201510423988A CN105064759A CN 105064759 A CN105064759 A CN 105064759A CN 201510423988 A CN201510423988 A CN 201510423988A CN 105064759 A CN105064759 A CN 105064759A
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China
Prior art keywords
gfrp
reinforced concrete
steel
concrete
gfrp pipe
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CN201510423988.7A
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CN105064759B (en
Inventor
谢芳
冯炳
孙斌祥
洪志权
吕亮
李攀峰
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Shaoxing Daming Electric Power Design Institute Co ltd
University of Shaoxing
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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SHAOXING DAMING ELECTRIC POWER DESIGN INSTITUTE Co Ltd
Shaoxing University Yuanpei College
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Abstract

The invention relates to a GFRP (glass fiber reinforced plastic) tubed reinforced concrete combination multi-circuit transmission pole and aims to provide the pole having higher structural bearing capacity and deformation resistance and also having insulating performance and high corrosion resistance, thereby effectively saving urban land resources, narrowing line corridors and increasing line safety operation level. According to the technical scheme, the pole comprises a main rod vertically fixed on a foundation, a ground wire top rack and a plurality of auxiliary wire cross-arms; the ground wire top rack and the auxiliary wire cross-arms are transversely fixed on the main rod; the pole is characterized in that the main rod comprises at least two GFRP tubes which are in sleeved connection and which are of hollow structure, reinforced concrete disposed in the GFRP tubes, ground steel bars embedded in the reinforced concrete and steel flanges disposed at the bottom of the main rod and used for connecting with the foundation; the reinforced concrete comprises a reinforcement cage and concrete integrally poured in the reinforcement cage.

Description

A kind of GFRP pipe reinforced concrete combined structure member multiloop power transmission rod
Technical field
What the present invention relates to is that a kind of combined member transmission line of electricity is from vertical rod; In particular, be a kind ofly adopt GFRP pipe reinforced concrete combined structure member as the multiple loop transmission line of mobile jib from vertical rod.
Background technology
In recent years, Chinese national economy develop rapidly, supply of electric power day is becoming tight.Especially in the eastern developed area, urban power consumption sharply increases the requirement causing the transmission capacity of low-voltage lines can not meet enterprise and people's electricity consumption far away, and many areas in the urgent need to building a large amount of 220kV and above multiple-loop line road transmission line of electricity in city.But the problems such as land resources is limited owing to existing, circuit gallery is in short supply, the transmission line of electricity building more than a 220kV multiple-loop line road in city seems difficult.
Conventional electric power pylon is opened comparatively large due to root, in the city of an inch of land is an inch of gold, do not have place already.Current city overhead transmission line mainly adopts self-supporting power transmission rod as the braced structures of wire.Self-supporting power transmission rod is different according to its mobile jib material, can be divided into rod, cement pole, steel pipe pole and composite bar.Rod and cement pole, due to the restriction of the strength of materials, are seldom used in the larger voltage levels circuit of load.Steel pipe pole is widely used in city transmission line of electricity due to advantages such as its intensity are high, structure is simple, handsome in appearance; But because steel tube component is by the restriction of the problem such as radius-thickness ratio and lamellar tearing, two bar even four bars (as shown in Figure 2) need be adopted when bearing larger load, causing construction costs, basis is taken up an area and line corridor all significantly increases; In addition the electric conductivity of steel also easily causes various flashover fault.Composite material received much concern in recent years as a kind of Novel power transmission overhead line structures material, and it has the features such as electrical insulation properties is good, the strength of materials is high, quality is light, corrosion-resistant.But the rigidity of composite material will be far smaller than steel, the excessive easy initiation interruption of service of shaft tower distortion under larger load action.As from the foregoing, certain problem is all there is when bearing larger load in traditional material transmission line of electricity from vertical rod, the needs of city transmission line of electricity towards high voltage, multiloop future development cannot be met, therefore in the urgent need to finding a kind of city transmission line of electricity of new structure from vertical rod.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, provide a kind of and adopt GFRP pipe reinforced concrete combined structure member as the multiple loop transmission line of mobile jib from vertical rod; This bar should have larger structural bearing capacity and non-deformability, also has the feature of insulating properties and highly corrosion resistant simultaneously, effectively to save urban land resource, reduce line corridor, to improve line security runlevel.
The object of the invention is to have come by following technical solution:
A kind of GFRP pipe reinforced concrete combined structure member multiloop power transmission rod, comprises and is vertically fixed on mobile jib on basis and the ground wire upper frame be laterally fixed on mobile jib and some subpolygon cross-arms; It is characterized in that described mobile jib comprise at least two sections mutually socket and have hollow-core construction GFRP pipe, the steel concrete be arranged in GFRP pipe, be embedded in the grounded round steels in steel concrete and be arranged on the steel flange for being connected with basis bottom mobile jib; Described steel concrete comprises reinforcing cage and builds with reinforcing cage the concrete be integrated.
The mutual belled position of described GFRP pipe is embedded with the shaped steel strengthened, and this shaped steel and steel concrete are built and is integrated.
Described lead wire and earth wire cross-arm and ground wire upper frame all traverse GFRP pipe and build with described steel concrete and be integrated.
Described steel flange is manufactured with several and connects basic bolt hole, or be manufactured with the pore with fastener for connection on basis.
Compared with prior art, the invention has the beneficial effects as follows: adopt GFRP pipe reinforced concrete combined structure member as the power transmission rod of mobile jib, the form of structure that GFRP pipe is about beam core steel concrete makes power transmission rod bearing capacity and non-deformability significantly improve, compensate for traditional material transmission line of electricity from the numerous defects of vertical rod when bearing larger load, particularly in voltage levels multi-loop line, advantage is fairly obvious; This combined member remains the advantages such as the good insulating properties of composite material and highly corrosion resistant simultaneously, effectively can save urban land resource, reduce line corridor, improve line security runlevel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the longitudinal profile at GFRP pipe position in Fig. 1.
Fig. 3 be in Fig. 1 A-A to sectional structure schematic diagram.
Fig. 4 be in Fig. 1 B-B to sectional structure schematic diagram.
Number in the figure is: 1.GFRP pipe, 2. concrete, 3. reinforcing cage, 4. shaped steel, 5. wire cross-arm, 6. ground wire upper frame, 7. grounded round steels, 8. steel flange.
Detailed description of the invention
Below in conjunction with embodiment shown in the drawings, the present invention is described in further detail.
The present invention is from the stress performance of power transmission rod, electric property and comprehensive cost angularly, carried out technical economic analysis to multiple loop transmission line from the multiple main material scheme of vertical rod, proposing a kind of GFRP pipe reinforced concrete member being applicable to city is that the multiple loop transmission line of mobile jib is from vertical rod.
GFRP pipe reinforced concrete combined structure member multiloop power transmission rod as shown in the figure (being made up of the mobile jib be vertically fixed on basis and the ground wire upper frame be laterally fixed on mobile jib and some subpolygon cross-arms), in its mobile jib: the GFRP pipe 1 that at least two sections (hop count is determined by the height of transmission line of electricity from vertical rod) has a hollow-core construction is mutually after socket, concrete 2 be cast in together with reinforcing cage 3 GFRP manage in form steel concrete; Shaped steel 4 is arranged in the steel concrete between two sections of GFRP pipes and plays node booster action; One length direction being embedded in the through power transmission rod of grounded round steels 7 in steel concrete, the top of grounded round steels is connected with ground wire upper frame, the ground connection Bolted angle connection on bottom and basis; Steel flange 8, for being connected with basis, is arranged on bottom mobile jib usually, and the mode (usually adopting epoxy resin or other cementing agent bonding) by bonding is fixed as one with GFRP pipe.
Be fixed as one with steel concrete again after some subpolygon cross-arms 5 (cross-arm quantity is determined by the required transmission line of electricity feeder number carried additionally) traverse GFRP pipe, steel ground wire upper frame 6 is arranged too.Wire cross-arm and steel ground wire upper frame all continue to use existing structure.
Described steel flange is manufactured with several and connects basic bolt hole (coordinating with bolt fixing on basis), or be manufactured with the pore (coordinating with steel pipe grafting fixing on basis) connecting basis.
The present invention can make at the scene, first need carry out basis during installation, be embedded with in basis connect with bolt or the insertion steel pipe that connects.
The step of field fabrication is: first paragraph GFRP manages and adopts high strength bond (usually adopting epoxy resin or other cementing agent to bond) with the steel flange of bottom, then steel flange is connected with the stone bolt be embedded in basis, or coordinate with the steel pipe grafting be embedded in basis, make GFRP pipe keep vertical state.Then reinforcing cage and grounded round steels is put in GFRP pipe inside, then concreting; The first paragraph rear installation second segment GFRP that constructed manages, and adopts and be socketed between GFRP pipe with GFRP pipe, again puts into reinforcing cage (lengthening grounded round steels) and at the shaped steel of belled position place placement reinforcement, then concreting; Using such method installs the components such as other section of GFRP pipe, steel concrete, until length meets the demands.After steel lead wire and earth wire cross-arm (and steel ground wire upper frame) adopts section bar to traverse GFRP pipe, the mode of concreting connects again.Be embedded in the grounded round steels in GFRP pipe inner concrete, top is connected with ground wire upper frame, bottom and basic ground connection Bolted angle connection.
Finally, it should be noted that above what enumerate is only the specific embodiment of the present invention in 220kV tetra-loop transmission line.Obviously, the invention is not restricted to above embodiment, can also be applied in other electric pressure multiple loop transmission lines.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.

Claims (4)

1. a GFRP pipe reinforced concrete combined structure member multiloop power transmission rod, comprises and is vertically fixed on mobile jib on basis and the ground wire upper frame (6) be laterally fixed on mobile jib and some subpolygon cross-arms (5); It is characterized in that described mobile jib comprises at least two sections of mutually socket and the GFRP with hollow-core construction steel flanges (8) of managing (1), the steel concrete be arranged in GFRP pipe, being embedded in the grounded round steels (7) in steel concrete and being arranged on for being connected with basis bottom mobile jib; Described steel concrete comprises reinforcing cage (3) and builds with reinforcing cage the concrete (2) be integrated.
2. GFRP pipe reinforced concrete combined structure member multiloop power transmission rod according to claim 1, is characterized in that: the mutual belled position of described GFRP pipe is embedded with the shaped steel (4) strengthened, and this shaped steel and steel concrete are built and is integrated.
3. GFRP pipe reinforced concrete combined structure member multiloop power transmission rod according to claim 2, is characterized in that: described lead wire and earth wire cross-arm and ground wire upper frame all traverse GFRP pipe and build with described steel concrete and be integrated.
4. GFRP pipe reinforced concrete combined structure member multiloop power transmission rod according to claim 3, is characterized in that: described steel flange is manufactured with several and connects basic bolt hole, or is manufactured with the pore with fastener for connection on basis.
CN201510423988.7A 2015-07-17 2015-07-17 A kind of GFRP pipes reinforced concrete combined structure member multiloop power transmission rod Active CN105064759B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107989063A (en) * 2017-12-01 2018-05-04 绍兴大明电力设计院有限公司 Churning anchor cable composite foundation
CN108916170A (en) * 2018-08-06 2018-11-30 国网上海市电力公司 A kind of flange form electric pole connection component of nesting
CN109372312A (en) * 2018-11-23 2019-02-22 绍兴大明电力设计院有限公司 Thin-walled centrifugal concrete power transmission rod
CN110159048A (en) * 2019-06-18 2019-08-23 国网上海市电力公司 A kind of complex pole tower for single pole power distribution station
CN110700673A (en) * 2019-10-19 2020-01-17 汉寿力达电杆有限公司 Energy-saving electric pole manufacturing method and manufacturing device thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11243632A (en) * 1998-02-24 1999-09-07 Sapporo Sanki Kk Frp-made spliced pole
EP1624137A1 (en) * 2004-08-02 2006-02-08 The European Community, represented by the European Commission Support column for a wind turbine or a bridge
CN201635464U (en) * 2010-03-16 2010-11-17 祁继鹏 Variable-taper plugging tapered glass steel rod
CN102392510A (en) * 2011-11-15 2012-03-28 安徽工业大学 Preparation method of PVC-FRP pipe steel-reinforced concrete composite column
CN203977958U (en) * 2014-06-27 2014-12-03 国家电网公司 A kind of Novel power transmission shaft tower
CN204850639U (en) * 2015-07-17 2015-12-09 绍兴文理学院元培学院 GFRP pipe reinforced concrete combined member multiloop transmission of electricity pole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11243632A (en) * 1998-02-24 1999-09-07 Sapporo Sanki Kk Frp-made spliced pole
EP1624137A1 (en) * 2004-08-02 2006-02-08 The European Community, represented by the European Commission Support column for a wind turbine or a bridge
CN201635464U (en) * 2010-03-16 2010-11-17 祁继鹏 Variable-taper plugging tapered glass steel rod
CN102392510A (en) * 2011-11-15 2012-03-28 安徽工业大学 Preparation method of PVC-FRP pipe steel-reinforced concrete composite column
CN203977958U (en) * 2014-06-27 2014-12-03 国家电网公司 A kind of Novel power transmission shaft tower
CN204850639U (en) * 2015-07-17 2015-12-09 绍兴文理学院元培学院 GFRP pipe reinforced concrete combined member multiloop transmission of electricity pole

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107989063A (en) * 2017-12-01 2018-05-04 绍兴大明电力设计院有限公司 Churning anchor cable composite foundation
CN108916170A (en) * 2018-08-06 2018-11-30 国网上海市电力公司 A kind of flange form electric pole connection component of nesting
CN109372312A (en) * 2018-11-23 2019-02-22 绍兴大明电力设计院有限公司 Thin-walled centrifugal concrete power transmission rod
CN110159048A (en) * 2019-06-18 2019-08-23 国网上海市电力公司 A kind of complex pole tower for single pole power distribution station
CN110700673A (en) * 2019-10-19 2020-01-17 汉寿力达电杆有限公司 Energy-saving electric pole manufacturing method and manufacturing device thereof
CN110700673B (en) * 2019-10-19 2021-06-08 汉寿力达电杆有限公司 Energy-saving electric pole manufacturing method and manufacturing device thereof

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Inventor after: Xie Fang

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Inventor after: Wu Hejun

Inventor after: Zhu Jiangfeng

Inventor after: Chen Bin

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Inventor after: Hong Zhiquan

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