Durable static main shaft

A durable, main shaft technology, applied in the direction of rotating bearings, shafts, bearings, etc., can solve the problems of limited heat dissipation capacity of hydrostatic bearings, reduced bearing service life, poor hydraulic oil fluidity, etc., to improve stability and service life. , the effect of improving work performance and improving stability

Active Publication Date: 2019-05-31
威海奥威尔精密部件有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the hydrostatic bearings on the market have limited heat dissipation capacity and no good heat dissipation system, which greatly reduces the service life of the bearings. Affected by temperature, the fluidity of hydraulic oil at low

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Example Embodiment

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0037] Such as Figure 1-5 As shown, the present invention provides a technical solution: a durable static main shaft, comprising a main shaft core 3, the left and right ends of the main shaft core 3 are fixedly connected with a transmission rod 4, and the outer surface of the main shaft core 3 is fixedly connected There is a thrust collar 5, the outer surface of the thrust collar 5 is provided with two first radial oil return grooves 14...

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Abstract

The invention discloses a durable static main shaft. The durable static main shaft comprises a main shaft core; transmission rods are fixedly connected to the left and right ends of the main shaft core; a thrust shaft collar is fixedly connected to the external surface of the main shaft core; two first radial oil return grooves are formed in the external surface of the thrust shaft collar; a shaftbushing sleeves the external surface of the main shaft core; one group of first radial oil return cavities is formed in the internal wall of the shaft bushing; the two first radial oil return cavities communicate with two radial oil return grooves; and a main shaft sleeve sleeves the external surface of the shaft bushing. According to the durable static main shaft, the design structure is reasonable; through adoption of a designed heating pipe, high pressure oil entering into a bearing is preheated so that the wear can be reduced, and energy loss can be prevented from being increased due to over-high resistance when the bearing is just started; through adoption of a designed constant pressure valve, oil pressure can be stably supplied to improve the stability of the bearing; and through adoption of a designed filter element, impurities contained in the supplied oil are filtered so that the stability of the bearing is improved and the service life of the bearing is prolonged.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a durable static main shaft. Background technique [0002] Machinery manufacturing refers to the industrial sector engaged in the production of various power machinery, lifting and transportation machinery, agricultural machinery, metallurgical and mining machinery, chemical machinery, textile machinery, machine tools, tools, instruments, meters and other mechanical equipment. The economy provides technical equipment, and its development level is one of the main symbols of the country's industrialization level. Among them, hydrostatic bearings play an important role in high-precision CNC lathes. Sliding bearings that realize liquid lubrication, hydrostatic bearings always work under liquid lubrication from start to stop, so there is no wear, long service life, low starting power, and can be applied at extremely low (or even zero) speeds. In addition , this kind of bearing also...

Claims

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Application Information

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IPC IPC(8): F16C17/08F16C37/00F16C33/04F16C3/02F16N39/06F16N23/00
Inventor 梁义成宋召信宫兆健
Owner 威海奥威尔精密部件有限公司
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