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Bearing sleeve, gear case and rail vehicle

A technology of bearing sleeves and bearings, which is applied to bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of low lubrication efficiency and increase the difficulty of manufacturing gearboxes, and achieve the effect of improving lubrication efficiency and reducing manufacturing difficulty

Pending Publication Date: 2019-01-11
BEIJING NANKOU RAILWAY TRANSIT MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, the lubricating path formed by the oil collecting groove and the oil inlet hole is an indirect lubricating path, and the lubrication efficiency is low, and the oil collecting groove is arranged on the gearbox casing, which increases the manufacturing difficulty of the gearbox as a whole

Method used

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  • Bearing sleeve, gear case and rail vehicle
  • Bearing sleeve, gear case and rail vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] figure 1 A schematic structural diagram of a bearing sleeve provided by an embodiment of the present invention; figure 2 A cross-sectional view of the bearing sleeve at the position of the oil sump provided for an embodiment of the present invention; please refer to Figure 1-Figure 2 . This embodiment provides a bearing sleeve, which includes a cylindrical body 100. An installation space 200 for installing the bearing is formed inside the body 100 along the axial direction. The body 100 is also provided with an oil collecting groove 111 and an oil inlet hole 121. The oil collecting groove 111 is defined on the outer wall of the body 100 , and the oil collecting groove 111 is connected to the installation space 200 through the oil inlet hole 121 .

[0046] Optionally, the bearing sleeve of this embodiment is arranged inside the gear box of the rail vehicle for supporting the bearing and fixing the outer ring of the bearing. The bearing sleeve includes a body 100, an...

Embodiment 2

[0059] This embodiment provides a gear box, which includes a casing, and the bearing sleeve as described in the first embodiment above is arranged inside the casing.

[0060] Optionally, a bearing sleeve is provided inside the gearbox of this embodiment for supporting the bearing and fixing the outer ring of the bearing. The bearing sleeve includes a body, and the body is cylindrical as a whole. An installation space for installing bearings is formed in the axial direction inside it, and the two ends of the installation space pass through the body, so that the two ends of the body form openings. The body is also provided with an oil collecting groove and an oil inlet hole, wherein the oil collecting groove is set on the outer wall of the body, and the oil collecting groove is connected to the installation space through the oil inlet hole, so that the lubricating oil in the gearbox can be stored in the oil collecting groove and passed through The oil inlet hole connected with ...

Embodiment 3

[0064] This embodiment provides a rail vehicle, including the gear box as described in the second embodiment above.

[0065] Optionally, the gear box of the rail vehicle in this embodiment is provided with a bearing sleeve for supporting the bearing and fixing the outer ring of the bearing. The bearing sleeve includes a body, and the body is cylindrical as a whole. An installation space for installing bearings is formed in the axial direction inside it, and the two ends of the installation space pass through the body, so that the two ends of the body form openings. The body is also provided with an oil collecting groove and an oil inlet hole, wherein the oil collecting groove is set on the outer wall of the body, and the oil collecting groove is connected to the installation space through the oil inlet hole, so that the lubricating oil in the gearbox can be stored in the oil collecting groove and passed through The oil inlet hole connected with the oil sump sends lubricating ...

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Abstract

The invention provides a bearing sleeve, a gear case and a rail vehicle. The bearing sleeve comprises a cylindrical body. Installing space for installing a bearing is formed in the body in the axial direction. The body is further provided with an oil collecting groove and an oil inlet hole, the oil collecting groove is formed in the outer side wall of the body, and the oil collecting groove is connected with the installing space through the oil inlet hole. The oil collecting groove is formed in the bearing sleeve, the bearing lubricating efficiency is improved, and the gear case manufacturingdifficulty is lowered.

Description

technical field [0001] The invention relates to the manufacturing technology of rail vehicle parts, in particular to a bearing sleeve, a gear box and a rail vehicle. Background technique [0002] The gearbox is arranged at the bottom of the rail vehicle and installed on the axle of the vehicle. When the vehicle is running, the gearbox directly bears the impact of the rail on the wheel set. The gearbox is a key component of a rail vehicle, and its reliability directly affects the safety of the vehicle. The bearing sleeve is one of the key parts inside the gearbox. The bearing sleeve is mainly used to support the bearing and fix the outer ring of the bearing. It needs to have a certain strength and rigidity to ensure the stability of the gearbox operation. [0003] In the prior art, the bearing sleeve includes a cylindrical body, a connecting flange is provided at one end of the body, an installation part for installing the bearing is formed inside the body along the axial di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/66
CPCF16C33/6637F16C33/6659
Inventor 王丽平黄蕾付赟秋
Owner BEIJING NANKOU RAILWAY TRANSIT MACHINERY
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