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Title:
COMPOSITE CROSS-ARM AND TRANSMISSION MAST
Document Type and Number:
WIPO Patent Application WO/2018/223829
Kind Code:
A1
Abstract:
Disclosed is a composite cross-arm fixed to a mast body of a transmission mast. The composite cross-arm comprises a core rod, an insulation layer and a force-bearing member. The insulation layer and the force-bearing member cover and are fixed to an outer circumferential surface of the core rod. The force-bearing member is arranged at a middle portion of the core rod where the core rod is connected to the mast body. The insulation layer is arranged at other regions other than the middle portion. Also disclosed is a transmission mast adopting the composite cross-arm. By pre-arranging a force-bearing member at a region of a core rod where the core rod is connected to a mast body, a puncturing operation does not need to be performed on the core rod to realize connection of the core rod with the mast body, and no damage is caused to the insulation layer because a load of secure connection is directly applied to the force-bearing member. Since the force-bearing member and the insulation layer cover and are fixed to the outer circumferential surface of the core rod, the core rod can be protected from corrosion caused by an external environment, thereby ensuring mechanical performance of the composite cross-arm.

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Inventors:
MA, Bin (Room 1467, 3rd Building Jiangcheng Research and Development Park, No.1088 Jiangcheng Road, Su-tong Science and Technology Park, Nantong Economic and Technological Development Are, Nantong Jiangsu 7, 226017, CN)
YU, Jie (Room 1467, 3rd Building Jiangcheng Research and Development Park, No.1088 Jiangcheng Road, Su-tong Science and Technology Park, Nantong Economic and Technological Development Are, Nantong Jiangsu 7, 226017, CN)
LI, Dequan (Room 1467, 3rd Building Jiangcheng Research and Development Park, No.1088 Jiangcheng Road, Su-tong Science and Technology Park, Nantong Economic and Technological Development Are, Nantong Jiangsu 7, 226017, CN)
FANG, Jiang (Room 1467, 3rd Building Jiangcheng Research and Development Park, No.1088 Jiangcheng Road, Su-tong Science and Technology Park, Nantong Economic and Technological Development Are, Nantong Jiangsu 7, 226017, CN)
Application Number:
CN2018/087362
Publication Date:
December 13, 2018
Filing Date:
May 17, 2018
Export Citation:
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Assignee:
JIANGSU SHEMAR ELECTRIC CO., LTD. (Room 1467, 3rd Building Jiangcheng Research and Development Park, No.1088 Jiangcheng Road, Su-tong Science and Technology Park, Nantong Economic and Technological Development Are, Nantong Jiangsu 7, 226017, CN)
International Classes:
E04H12/24; H02G7/20
Domestic Patent References:
WO2009049377A12009-04-23
Foreign References:
CN107165466A2017-09-15
CN106088785A2016-11-09
CN201601455U2010-10-06
CN102270529A2011-12-07
CN105971365A2016-09-28
US20150075859A12015-03-19
CN103306382A2013-09-18
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (Room 3901, No. 85 Huacheng Avenue Tianhe Distric, Guangzhou Guangdong 3, 510623, CN)
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