Spherically connected tubular bus fixing device
A tubular busbar and spherical connection technology, which is applied in the installation of busbars, cables, electrical components, etc., can solve the problems that the internal stress of the busbar cannot be released, and achieve the convenience of minor changes and adjustments, the adjustment of spatial positions, and the elimination of internal stresses. The effect of stress
Inactive Publication Date: 2012-06-20
GULIFA GRP CO LTD
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Problems solved by technology
[0002] At present, the fittings used to support and fix the tubular bus in the substation are mainly composed of a gland, a support and a bottom plate. The fixing method of clamping one end of the busbar on the support has the advantages of simple structure and reliable fixing, but this kind of fitting has only one height, and at the same time, it is known that the height of the tubular busbar installed in different engineering installations is often different. Such tubular busbar fittings cannot be applied to different projects to install height and level errors of tubular busbar fittings. At the same time, the deformation caused by the heating of the busbar cannot release the internal stress
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[0021] like Figure 1-5 As shown, the spherically connected tubular busbar fixing device described in the embodiment of the present invention includes a gland 1 and a spherical support 2. The positions of the gland 1 and the spherical support 2 are set to be opposite to each other up and down, and several bolts 3 are arranged from above Penetrate the gland 1 and the spherical support 2 sequentially from bottom to bottom, and then tighten them inside the spherical support 2 through several nuts 4; 5 matching arc surface, the base 7 is set under the spherical support 2 and the gland 1 and the spherical support 2 are fixedly installed in the spherical cavity 8 on the base 7 through the lock nut 6 .
[0022] like figure 2 As shown, for existing similar fixtures, its structure is mainly made up of gland-11, support-22 and base plate 77, wherein support-22 and base plate 77 are connected as a whole, simultaneously pass through gland-11 on the The gland fastener 33 clamps one end ...
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The invention relates to a spherically connected tubular bus fixing device, which comprises a gland and a spherical support, wherein a plurality of bolts sequentially pass through the gland and the spherical support from top to bottom, and then are compactly screwed in the spherical support through a plurality of nuts; and the gland and the spherical support are arranged in a spherical cavity on a base through locking nuts below the spherical support. Circular-arc surfaces matched with a tubular bus are arranged on the lower end face of the gland and the upper end face of the spherical support respectively. The spherically connected tubular bus fixing device has the advantages that: due to the arrangement of a spherical support connection structure, the device can rotate for 360 degrees along a Z-axis direction and also rotate for a certain angle along an X-axis direction and a Y-axis direction; therefore, the device has a plurality of rotation degrees of freedom to facilitate space position adjustment; manufacturing errors and mounting errors in all directions can be compensated; deformation caused by heating of the bus is released, and internal stress is eliminated; the influence of expansion by heat and contraction by cold caused by the environment can be reduced; the device can adapt to the micro change and adjustment of a mounting position conveniently; meanwhile, redrilling is not required.
Description
technical field [0001] The invention relates to the technical field of electric engineering, in particular to a spherically connected tubular bus bar fixing device. Background technique [0002] At present, the fittings used to support and fix the tubular bus in the substation are mainly composed of a gland, a support and a bottom plate. The fixing method of clamping one end of the busbar on the support has the advantages of simple structure and reliable fixing, but this kind of fitting has only one height, and at the same time, it is known that the height of the tubular busbar installed in different engineering installations is often different. Such tubular busbar fittings cannot be applied to the installation height and level errors of tubular busbar fittings in different projects. At the same time, the deformation caused by the heating of the busbar cannot release the internal stress. Therefore, in view of the above aspects, it is necessary to make reasonable improvement...
Claims
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Inventor温开元
OwnerGULIFA GRP CO LTD