Combined sealing water cooling bearing seat of large fan
A combined seal and bearing seat technology, which is applied in the direction of engine seals, bearing components, shafts and bearings, etc., can solve the problems of bearing seat heat dissipation and cooling, inconvenient disassembly and maintenance, oil leakage, etc., to achieve effective use of heat energy, water conservation, The effect of saving operation and maintenance costs
Active Publication Date: 2014-12-10
SHANGHAI GENERAL FAN
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problems of oil leakage from the bearing seat of the large-scale centrifugal fan in the prior art, especially the F-type fan, heat dissipation and cooling of the bearing seat, and inconvenient disassembly and maintenance. Water-cooled shaft bearing housings for large fans
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[0025] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0026] Such as figure 1 and figure 2 The combined sealed water-cooled shaft bearing seat of the large fan shown includes the main shaft 20, the bearing 1, the upper cover 11 of the bearing seat and the lower seat 5 of the bearing seat bisected up and down along the central axis of the main shaft 20, the side cover Huff 13 and the side cover Lower Huff 7, lock round nut 4, two oil deflector rings 8, two comb labyrinth seals 9, two felt auxiliary seals 10, the upper Huff 13 of the side cover and the lower Huff 7 of the side cover pass through the cone Pins and bolts are fastened on the outer circumference of one end of the main shaft 20; along the axial direction of the main shaft 20, starting from the locking round...
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The invention relates to a combined sealing water cooling bearing seat of a large fan. The combined sealing water cooling bearing seat comprises a spindle, a bearing, a bearing seat upper cover, a bearing seat lower base, a side cover upper Haff part, a side cover lower Haff part, a round locking nut, an oil retainer, a comb labyrinth seal and an auxiliary felt seal, wherein the bearing seat upper cover and the bearing seat lower base enable the combined sealing water cooling bearing seat to be divided equally and vertically along the central axis of the spindle. The side cover upper Haff part and the side cover lower Haff part are fastened to the periphery of one end of the spindle through a taper pin and a bolt, the periphery of the spindle is sequentially provided with the oil retainer, the comb labyrinth seal and the auxiliary felt seal from the round locking nut or a step of the spindle in the axial direction of the spindle so as to form a first combined seal and a second combined seal. The combined sealing water cooling bearing seat further comprises a water inlet pipe, a water outlet pipe, a cooling water channel formed in the bearing seat lower base, a cast-iron bend and a cooling water channel formed in the bearing seat upper cover. The combined sealing water cooling bearing seat is convenient to disassemble and assemble and good in cooling effect, bearing seat seals are the combined seals, the problem that a single seal is high in leakage rate is effectively solved, the service life of the bearing is prolonged, the operation and maintenance cost of the fan is saved, and safe and reliable operation of the fan is guaranteed.
Description
technical field [0001] The invention relates to a water-cooled bearing seat of a large fan, in particular to an F-type fan water-cooled bearing seat. Background technique [0002] At present, due to the large load and high speed of the rotor of the large centrifugal fan, and the rolling bearing bears the axial and radial load during the operation of the fan, the rolling body rubs against the inner and outer rings of the bearing, and the heat is extremely large, and the heat is transmitted to the main shaft, lubricating oil and In the bearing seat, the rolling bearing seat of the large centrifugal fan needs cooling water to cool down the bearing seat, so as to ensure the stable operation of the fan bearing and improve the bearing life. At the same time, due to the defects of the traditional lubrication and sealing technology, the leakage of the lubricating oil in the bearing seat has always been a major problem. Once the leakage will seriously affect the normal operation of t...
Claims
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IPC IPC(8): F16J15/447F16J15/16F16C37/00
Inventor 陆伟王丹龚兴龙何翠红
Owner SHANGHAI GENERAL FAN