Converter transformer traction hole device
A technology of converter transformers and traction holes, which can be used in transformer/reactor installation/support/suspension, inductance/transformer/magnet manufacturing, electrical components, etc., and can solve problems such as traction hole fracturing damage
Active Publication Date: 2016-08-24
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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- Application Information
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Problems solved by technology
[0005] Based on this, it is necessary to provide a converter transformer traction hole device for the problem that local fracturing damage at the traction hole is easily formed at the local pressure concentration of the traction force in the prior art
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[0018] Such as figure 1 As shown, a converter transformer drawing hole device 100 is arranged on a pile cap 110, including a first drawing hole 112, a second drawing hole 114 and a drawing rod 116; the first drawing hole 112 is arranged on the top of the pile cap 110, The second drawing hole 114 is coaxially arranged on the pile cap 110 top with the first drawing hole 112; the diameter of the first drawing hole 112 is smaller than the diameter of the second drawing hole 114, and both the first drawing hole 112 and the second drawing hole 114 are in line with the horizontal plane Vertically, the first drawing hole 112 and the second drawing hole 114 form a "convex" hole; the end of the second drawing hole 114 in contact with the first drawing hole 112 is set as a leaky layer 118, and the drawing rod 116 is set on the leaky layer 118 and the length of the drawing rod 116 is greater than the diameter of the first drawing hole 112 and smaller than the diameter of the second drawin...
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Abstract
Provided is a drawing hole device of a converter transformer. A first round drawing hole and a second round drawing hole are formed in the upper portion of a pile bearing platform, the diameter of the first drawing hole is smaller than that of the second drawing hole, a dead level is arranged at the end, making contact with the first drawing hole, of the second drawing hole, and a drawing rod can be placed in the dead level; because the length of the drawing rod is larger than the diameter of the first drawing hole and smaller than the diameter of the second drawing hole, the drawing rod will not disengage out of the first drawing hole; when the converter transformer is carried, a drawing rope is tied on the drawing rod, the drawing rod can horizontally rotate in the dead level, and the direction and the angle of the drawing rope can be adjusted easily in the horizontal direction; when the force in the vertical direction is applied to the drawing rod, the drawing rod can not be drawn out of the first drawing hole either, the drawing force can be adjusted easily in the vertical direction and the horizontal direction, concrete of the pile bearing platform is evenly pressed, the drawing holes of the converter transformer can be arranged more flexibly, force can be transmitted more evenly and reasonably, and the situation that because the drawing force is concentrated in a certain position, local fracture and damage happen to the first drawing hole will be avoided.
Description
technical field [0001] The invention belongs to the technical field of commutation of a converter transformer in a converter station, and in particular relates to a traction hole device for a converter transformer. Background technique [0002] The converter transformer is the most important key equipment in the ultra-high voltage direct current transmission project. It is the core equipment of the interface between the converter and the inverter in the AC and direct current transmission system. The input and safe operation of the converter transformer are the key to the power generation benefits of the project The key and important guarantee. [0003] At present, due to their heavy weight, the converter transformers in the converter stations of various voltage levels are generally set up as linear transport rails in the stations. During the installation and maintenance period, the converter transformers are moved in linear translation. The moving power is mainly provided b...
Claims
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IPC IPC(8): H01F41/00H01F27/06
Inventor 张肖峰朱海华韦文兵范绍有林刚辛侨石骁杨雪平李扶中
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD