High-pressure resistance amphibious explosion-proof type bearing device
A bearing device, high-voltage resistant technology, applied in the direction of electromechanical devices, casings/covers/supports, electrical components, etc., to achieve the effect of improving reliability and small axial deformation
Inactive Publication Date: 2013-11-06
WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD
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Problems solved by technology
[0002]In the known technology, the flameproof motor can only be used in places with explosive gas. When the flameproof motor is running normally, the flameproof motor and its Bearing units cannot be used in high-pressure liquid or gas environments
In order to develop a high-pressure land-submersible dual-purpose explosion-proof drainage equipment motor, it is necessary to develop a high-pressure land-submersible dual-purpose flameproof bearing device. However, there is no relevant high-pressure land-submersible dual-use flameproof motor standard and similar equipment
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[0022] see figure 1 , the high-pressure land-submersible dual-purpose explosion-proof bearing device of the present invention, the main body of the bearing device is a bearing sleeve 4, a butterfly head 10 and a bearing 17; the bearing 17 is placed in the specially designed bearing sleeve 4, and the inner side of the bearing 17 is installed Bearing inner cover 14 with explosion-proof surface, bearing outer cover 13, oil deflector ring 15 and retaining ring 16 are installed on the outer side of bearing 17; butterfly head 10 is the main supporting connector of the bearing device, and one end is welded on bearing sleeve 4 , the other end is welded on the flange ring 11; the oil discharge pipe 1 and the oil protection pipe 6 are sealed with the threaded sealing sleeve 7 and welded on the bearing sleeve 4; The outer heat sink 8 and the inner heat sink 9 are welded on the butterfly head 10. The heat sink improves the heat dissipation capacity of the bearing on the one hand, and on ...
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The invention relates to a high-pressure resistance amphibious explosion-proof type bearing device. In the device, a motor shaft is arranged in a bearing block of a butterfly shell cover through a bearing; a cover plate is hermetically fixed on the outer end face of a bearing sleeve; and a bearing oil injection device and an oil discharge device which are connected with a bearing cavity are arranged at two sides of the bearing sleeve respectively. The high-pressure resistance amphibious explosion-proof type bearing device is characterized in that: a bearing inner cover and a bearing outer cover are arranged inside and outside the bearing respectively; an oil retainer is arranged inside the bearing outer cover and is fixed by a retainer ring; the butterfly shell cover and the bearing sleeve are soldered into a whole; radiating and reinforcing ribs are arranged inside and outside the butterfly shell cover; and the butterfly shell cover and a flange ring are soldered into a whole. In the device, a bearing support part is far from a stress position of a structural part, so that the bearing support part of the bearing device is hardly deformed in a high pressure bearing state, the bearing is prevented from enduring extra radial force in running; and the support part of the bearing sleeve is designed to be the butterfly shell cover, so that the radial direction of the bearing sleeve of the bearing device is hardly deformed in the high pressure bearing state, matched faces of the inner and the outer rings of the bearing are prevented from moving dislocation in running, and the reliability of the bearing in running is improved.
Description
Technical field: [0001] The invention belongs to the technical field of motor accessory parts, and in particular relates to a high-voltage land-submersible dual-purpose flameproof bearing device. Background technique: [0002] In the known technology, flameproof motors can only be used in places where explosive gases exist. When the flameproof motors are in normal operation, the flameproof motors and their bearing devices cannot be used in high-pressure liquid or gas environments. In order to develop a high-pressure land-submersible dual-purpose explosion-proof drainage equipment motor, it is necessary to develop a high-pressure land-submersible dual-purpose flameproof bearing device. However, there is no relevant high-pressure land-submersible dual-use flameproof motor standard and similar equipment. Invention content: [0003] The object of the present invention is to provide a high-pressure resistant land-submersible dual-purpose explosion-proof bearing device that...
Claims
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IPC IPC(8): H02K5/16
Inventor 耿治起朱瑞霞姚金艳
Owner WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD