a distribution pole
A technology of distribution poles and outer steel pipes, applied in the field of distribution poles, can solve the problems of poor ductility, brittle fracture damage of FRP materials, and high cost
Active Publication Date: 2016-03-30
STATE GRID CORP OF CHINA +3
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Problems solved by technology
However, FRP materials have the disadvantages of high cost and poor ductility. Many component test results have the problem of brittle fracture of FRP materials under reciprocating loads.
Method used
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Embodiment Construction
[0023] The embodiment of the present invention provides a power distribution pole with higher structural strength.
[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] Please refer to figure 1 and figure 2 , figure 1 A schematic structural diagram of a cross-section of a distribution pole provided by an embodiment of the present invention; figure 2 It is a schematic structural di...
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The invention discloses an electricity distribution pole which comprises an outer steel pipe and an inner steel pipe. Concrete is filled between the outer steel pipe and the inner steel pipe. The inner steel pipe and the outer steel pipe have the quite high structural strength and the concrete has the advantages of being high in pressure-resisting strength, good in durability, wide in strength rate range and the like. Balancing and coordination of comprehensive indexes such as the durability and the deformation capacity of the concrete are quite critical. In the time of manufacturing, the concrete is poured between the inner steel pipe and the outer steel pipe, so that the concrete is fully spread and solidified and a composite structure is formed. Thus, by means of the method of constraining the concrete with the inner steel pipe and the outer steel pipe, the electricity distribution pole can have high pressure bearing capacity and high pressure resisting capacity. Thus, higher carrying capacity, larger deformation capacity and higher energy absorption capacity are achieved, so that the structural strength of the electricity distribution pole is high.
Description
technical field [0001] The invention relates to the technical field of power distribution devices, in particular to a power distribution pole. Background technique [0002] At present, the distribution poles are generally made of reinforced concrete. Due to the frontal landfall of the typhoon and the open terrain in coastal areas, the distribution poles are easily affected by the wind, resulting in damage to the distribution poles. The damage to distribution poles is mainly concentrated in the downed and broken poles of cement poles, especially the downed and broken poles of old lines. In addition, at present, most of the poles used in the distribution network are ordinary annular prestressed conical cement poles. Due to the development of load, the wire diameter grade is getting higher and higher, and more and more multi-circuit poles are erected on the same pole. The moment is difficult to meet the design requirements, and the structural strength of the distribution pole ...
Claims
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IPC IPC(8): E04H12/12
Inventor 陈驹张大伟赵深林群林洲游陈婷龚坚刚高策潘如海
Owner STATE GRID CORP OF CHINA