Patent KR-100775849-B1 (KR)
Title: Ground plate for electric pole
Inventor: KIM JUNG HWANG
IPC: H02G7/00
Filed: 2007-08-20
Granted: 2007-11-12
Abstract: A ground plate for an electric pole is provided to support an upright state of the electric pole from the ground strongly when the electric pole is constructed and expand a contact size of the ground with a leading-out line led out of the electric pole through a laying tube and a ground part. A semicircular groove(111) is formed at an internal side of a pair of laying pieces(110) of two groups to be laid and constructed in the ground to be adjacent to an outer circumference surface of an electric pole(10). A containing groove(113) is formed in an outer circumference surface of the laying pieces(110). A connection implement(117) on which a coupling bolt(115) is bidirectionally protruded is formed at one side of the containing groove(113). Slit grooves(119) are formed at adjacent both sides of the semicircular groove(111) as one body. A pair of connection pieces(130) of two groups are inserted and connected into the containing groove(113) to be orthogonal to the laying pieces(110) to be capable of mutually connecting the laying pieces(110). Combining implements(135) having coupling holes(133) into which the coupling bolt(115) is inserted are protruded and formed on both end parts of the connection pieces(130). A pair of through holes(137) to which bearings(141) are connected are formed at an internal side of the connection pieces(130). A plurality of laying tubes(140) rotatably connect to an inner diameter of the bearings(141) to be capable of supporting the electric pole(10). A plurality of connection holes(143) are formed at an external side of the laying tubes(140). Connection bars are inserted and connected into the respective connection holes(143). The first ground ball protruded on the ground and the second ground ball internally located are welded and fixed to both ends of the connection bars. An elastic spring connects to an outer circumference surface of the connection bars located at the second ground ball side. A combining bolt(151) of a connection cover(153) of a ground part(150) is coupled to an upper part of the laying tubes(140) to be capable of grounding a leading-out line(20) led out of the electric pole(10) in the ground. A connecting hole opened up and down is formed at an internal side of the connection cover(153). The leading-out line(20) is inserted into an upper part of an inner circumference surface of the ground part(150), and an end part of a connecting rod(157) is fitted into a lower part of the inner circumference surface to connect the ground part(150) to the leading-out line(20). A pair of rubber plates(160) of two groups are safely received in an upper part of the laying pieces(110) to be capable of preventing an electric shock of a person who passes around the electric pole(10). A pair of projections(161) inserted into the slot grooves(119) are formed on a lower part of the rubber plates(160). A pair of combining holes(163) into and on which the laying tubes(140) are inserted and protruded are formed at an internal side of the rubber plate(160). A plurality of cutting grooves(165) are formed in an upper part of the rubber plate(160). A plurality of cases(170) are inserted and connected into the cutting grooves(165) to prevent the laying tubes(140) from being exposed to the outside. A space part(171) in which the laying tubes(140) are contained is formed at an internal side of the cases(170). An opening groove(173) in which the leading-out line(20) is led is formed in an upper part of the cases(170). An airtight ring(175) is connected between the opening groove(173) and the leading-out line(20).