CN212003953U

CN212003953U - Fixing device of bearing

Info

Publication number: CN212003953U
Application number: CN202020258047.9U
Authority: CN
Inventors: 程江; 贝国军; 秦磊
Original assignee: XINCHANG HENGLI BEARING CO Ltd
Current assignee: XINCHANG HENGLI BEARING CO Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-11-24
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to a bearing technical field, more specifically say and relate to a fixing device of bearing. In the existing application field of paired bearings, the bearings at two ends are troublesome to install and maintain, are positioned by end faces, have short service life due to friction, cannot adjust the clearance of the bearings, and have complex structure and high manufacturing cost. A first bearing and a second bearing are arranged in a locating sleeve, a shaft penetrates through the first bearing, the locating sleeve and the second bearing, the first bearing and the second bearing are abutted to the locating sleeve respectively, a limiting ring is arranged at the end of the first bearing, an inner step is arranged at the end of the limiting ring and abutted to a protrusion of the shaft, a fixing ring is arranged at the end of the second bearing, internal threads are arranged in the fixing ring and in threaded connection with the shaft, a circumferential groove is formed in the fixing ring, and a through hole and a screw hole are formed in two ends of the groove respectively. The bearing inner ring does not need to be in interference fit, the clearance adjustment can be carried out, and the installation and the maintenance are quicker.

Description

Fixing device of bearing

Technical Field

The utility model relates to a bearing technical field, more specifically say and relate to a fixing device of bearing.

Background

In the existing application field of paired bearings, the bearings at two ends are troublesome to install and maintain, are positioned by end faces, have short service life due to friction, cannot adjust the clearance of the bearings, and have complex structure and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixing device of bearing that rational in infrastructure and can adjust the internal clearance to prior art not enough.

The utility model provides a fixing device of bearing, includes axle and position sleeve, the position sleeve in establish first bearing and second bearing, the axle passes first bearing, position sleeve and second bearing, first bearing and second bearing support respectively and lean on the position sleeve, first bearing end is equipped with the spacing collar, the spacing collar end is equipped with interior step and supports and lean on the arch of axle, the second bearing end is equipped with the retainer plate, establishes the internal thread in the retainer plate, with axle threaded connection, be equipped with the groove of circumference on the retainer plate, be equipped with through-hole and screw respectively at groove department both ends. The bearing inner ring does not need to be in interference fit, the clearance adjustment can be carried out, and the installation and the maintenance are quicker.

As a further improvement and supplement to the above solution, the present invention further comprises the following additional technical features:

a taper pin is arranged between the limiting ring and the end face of the first bearing, positioning is carried out, and torsion is prevented.

And a taper pin is arranged between the second bearing and the inner end surface of the fixed ring, so that positioning is carried out and torsion is prevented.

The number of the grooves, the through holes and the screw holes is 2, and the stress is uniform.

Use the utility model discloses following beneficial effect can be reached: the installation and maintenance are more rapid, the clearance adjustment of the bearing can be carried out, the structure is reasonable, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle fixing ring 7 of the present invention.

Fig. 3 is a partial enlarged view of the position a of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1-3, the present invention relates to a fixing device for a bearing.

This embodiment fixing device of bearing, including axle 1 and position sleeve 2, axle 1 and position sleeve 2 are hollow structure respectively, position sleeve 2 in establish first bearing 5 and second bearing 6, first bearing 5 and second bearing 6 are symmetrical dorsad setting, first bearing 5, position sleeve 2 and second bearing 6 are passed in proper order to axle 1, first bearing 5 and second bearing 6 respectively the terminal surface support by on

position sleeve

2, 5 outer ends of first bearing are equipped with spacing collar 3, spacing collar 3 end is equipped with interior step and supports and lean on the arch of axle 1, the inner circle and the axle 1 clearance connection of first bearing 5 and second bearing 6. The end of the second bearing 6 is provided with a fixed ring 7, the protruding end of the second bearing 6 abuts against the step of the fixed ring 7, the fixed ring 7 is positioned in the positioning sleeve 2, and the fixed ring 7 is internally provided with an internal thread 72 which is in threaded connection with the shaft 1 to fasten the second bearing. The fixing ring 7 is provided with a circumferential groove 71, the length of the groove 71 is not more than half of the circular arc length of the circumference, two ends of the groove 71 are respectively provided with a through hole 74 and a screw hole 73, and the through hole 74 and the screw hole 73 are fastened by standard parts to effectively prevent looseness.

Furthermore, taper pins 4 are arranged between the limiting ring 3 and the end face of the first bearing 5, the number of the taper pins is 2, and the taper pins are arranged at 180 degrees.

Furthermore, taper pins 4 are arranged between the inner end faces of the second bearing 6 and the fixing ring 7, the number of the taper pins is 2, and the taper pins are arranged at 180 degrees.

Furthermore, the number of the grooves 71, the through holes 74 and the screw holes 73 is 2, and the grooves, the through holes 74 and the screw holes 73 are symmetrically distributed.

The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited, and the deformation and improvement made by the design idea of the present invention for those skilled in the art should be considered as the protection scope of the present invention.

Claims

1. A fixing device of bearing, includes axle (1) and position sleeve (2), its characterized in that: locating sleeve (2) in establish first bearing (5) and second bearing (6), first bearing (5) are passed in axle (1), locating sleeve (2) and second bearing (6), first bearing (5) and second bearing (6) are supported respectively and are leaned on locating sleeve (2), first bearing (5) end is equipped with spacing collar (3), spacing collar (3) end is equipped with the interior step and is supported and lean on the arch of axle (1), second bearing (6) end is equipped with retainer plate (7), establish internal thread (72) in retainer plate (7), with axle (1) threaded connection, be equipped with circumferential groove (71) on retainer plate (7), be equipped with through-hole (74) and screw (73) respectively at groove (71) department both ends.

2. The bearing fixing apparatus according to claim 1, wherein: and a taper pin (4) is arranged between the limiting ring (3) and the end surface of the first bearing (5).

3. The bearing fixing apparatus according to claim 1, wherein: and a taper pin (4) is arranged between the second bearing (6) and the inner end surface of the fixed ring (7).

4. The bearing fixing apparatus according to claim 1, wherein: the number of the grooves (71), the through holes (74) and the screw holes (73) is 2.