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Bearing locking structure

A locking structure and bearing technology, applied in the direction of bearing components, shafts and bearings, locking fasteners, etc., can solve the problems of uneven force on two sets of bearings, high movement cost of the reducer, and short bearing service life, etc. Achieve the effect of reducing movement cost, convenient maintenance and prolonging service life

Inactive Publication Date: 2009-06-24
NINGBO YINGTE HYDRAULICS TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, the above-mentioned bearing locking structure will lead to uneven stress on the two sets of bearings, and has the defects of short service life of the bearings, high movement cost of the reducer, and difficulty in maintenance.

Method used

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  • Bearing locking structure
  • Bearing locking structure
  • Bearing locking structure

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1 to Figure 5 As shown, the bearing locking structure is applied to the reducer to lock the two sets of bearings located between the wheel disc 2 of the reducer and the fixed support 1, and its right side is installed on the fixed support through the spline 6 The planet carrier 7 on 1, the bearing locking structure is composed of a locking sleeve 4, a locking nut 5 and a pin 8, wherein the locking sleeve 4 is designed with a radial opening 41, and its inner hole is an inner conical surface, Also have a circle rib 42 on the outer surface, see figure 2 and image 3 . And the outer surface of lock nut 5 is designed as an outer conical surface matched with the inner hole of the above-mentioned lock sleeve, such as Figure 4 and Figure 5 shown. Described pin 8 then adopts conventional structure.

[0017] When tightening...

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Abstract

The bearing locking structure for locking bearings between the wheel disc and the fixing seat of speed reducer includes one lock nut with conic outer surface, and one pin inserted in the joint between the lock nut and fixing seat, and one lock sleeve outside the lock nut with inner conic surface for fitting the lock nut and outer capped edge fitting the bearing. The bearing locking structure has features of greatly reduced axial size, capacity of shifting the bearings, convenient maintenance, high reliability.

Description

technical field [0001] The invention relates to a bearing locking structure, in particular to a locking structure of a bearing installed on a reducer to support a wheel disc. Background technique [0002] In the current walking (wheel side) reducer, the wheel is usually supported on a fixed support by two sets of tapered roller bearings or angular contact ball bearings, such as Image 6 As shown, among them, two sets of tapered roller bearings are installed back to back, and the locking structure is composed of a conventional lock nut and a stop washer. The lock nut is threaded on the fixed support and connected with the inner ring of the bearing Use the lock washer to prevent the lock nut from loosening. The above-mentioned bearing locking structure also has a structure using a lock nut and a column pin. The lock nut is also threaded with the fixed support and is tightly pressed against the inner ring of the bearing. The column pin is inserted between the lock nut and the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B39/06F16C35/06F16H57/02
Inventor 吴泽吉
Owner NINGBO YINGTE HYDRAULICS TRANSMISSION