Transmission shaft and gear box, disconnecting switch and gas insulated switchgear (GIS) equipment using transmission shaft
A technology for isolating switches and gearboxes, which is applied in the fields of gearboxes, isolating switches, GIS equipment, and gear shafts. It can solve the problems of large radial dimensions of vertical shafts and transmission shafts, and achieve the reduction of parts and radial dimensions. The effect of lowering the altitude
Active Publication Date: 2015-12-23
HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR +2
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Problems solved by technology
[0004] The purpose of the present invention is to provide a gear box to solve the problem in the prior art that the vertical shaft and the transmission shaft are arranged separately, resulting in larger radial dimensions of the vertical shaft and the transmission shaft; the purpose of the present invention is also to provide a gearbox A transmission shaft used in the gearbox and a disconnector and GIS equipment using the gearbox
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[0037] Examples of GIS devices are Figure 2~5 As shown: including isolating switch, the isolating switch in this embodiment is a three-position switch with grounding function, the isolating switch includes a switch housing 21 and a gear box 20 arranged on the switch housing 21, and the switch housing is provided with an axis An insulating shaft 22 extending in the up-down direction, the lower end of the insulating shaft is connected with a switch movable contact through a rack-and-pinion mechanism 23 .
[0038] The gear box includes an integrally formed gear box housing 30. The gear box housing is equipped with a horizontal shaft 2 whose rotation axis extends in the left and right directions. The shaft includes a shaft body with an integrally formed axis extending in the up and down direction. The upper end of the shaft body is provided with a transmission shaft bevel gear 4 connected to the horizontal shaft for transmission. , the lower end of the shaft body is provided wit...
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The invention relates to a transmission shaft and a gear box, a disconnecting switch and gas insulated switchgear (GIS) equipment using the transmission shaft. The gear box comprises a gear box shell. A transverse shaft is assembled in the gear box shell in a rotary mode, and the rotation axis of the transverse shaft extends in the left-right direction. The transmission shaft is assembled at the lower side of the transverse shaft inside the gear box shell in a rotary mode. The transmission shaft comprises a shaft body which is integrally formed, and the axis of the shaft body extends in the vertical direction. The upper end of the shaft body is provided with a transmission shaft bevel gear which is in transmission connection with the transverse shaft. The lower end of the shaft body is provided with an insulating shaft transmission structure which is in transmission connection with an insulating shaft of the disconnecting switch. By means of the transmission shaft and the gear box, the disconnecting switch and the GIS equipment using the transmission shaft, the problem that in the prior art, the integral radial size of a vertical shaft and a transmission shaft is large due to the fact that the vertical shaft and the transmissions shaft are arranged separately is solved.
Description
technical field [0001] The invention relates to a gear shaft and a gear box using the gear shaft, a disconnector and GIS equipment. Background technique [0002] In recent years, with the rapid development of the power industry, gas-insulated fully enclosed combined electrical appliances (GIS for short) have been widely used all over the world. High voltage, large capacity, and miniaturization are the future development trends of GIS equipment. Miniaturized GIS products have been in recent years Favored by users. [0003] At present, there are mainly two types of transmission modes for disconnectors used in GIS, one is connecting rod swing transmission, and the other is gear rack meshing transmission. The connecting rod oscillating transmission has a large transmission error and a bulky structure, which is inconsistent with the miniaturization goal of GIS; the rack and pinion transmission is accurate and compact, which is consistent with the miniaturization goal of GIS. Th...
Claims
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Login to View More IPC IPC(8): F16H57/023F16C3/02
CPCF16C3/02F16H57/0018F16H57/023
Inventor 王亚鸽王春艳苏戈赵亚平勾国营张朋波张中军
Owner HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR