Single-row angular contact ball bearing assembling pre-pressing device

Abstract

The utility model relates to the technical field of bearing assembly, in particular to a single-row angular contact ball bearing assembly prepressing device which comprises a first mounting seat, a stud is fixedly connected to the upper surface of the first mounting seat, and a second mounting seat is movably connected to the outer surface of the stud in a nested mode. Mounting columns are fixedly connected to the front surface of the second mounting seat and the front surface of the first mounting seat, limiting modules are movably connected to the outer surfaces of the mounting columns in a nested mode, and adjusting modules are slidably connected to the front surfaces of the limiting modules. Wherein the V-shaped sleeve and the limiting seat are V-shaped, so that the pre-pressing device is prevented from blocking the shaft, and meanwhile, the position of the limiting module is adjusted in cooperation with the locking ring, so that the distance between the adjusting module and the extrusion module and the same mounting seat or the second mounting seat can be shortened, synchronous extrusion of the extrusion module on the bearing outer ring is realized, and pre-tightening operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing assembly technical field, concretely is a single row angular contact ball bearing assembly pre -pressing device. BACKGROUND

[0002] Bearing assembly pre -pressing also be called bearing pre -tightening, it is when installing bearing make the initial pressure and pre -deformation of a certain between bearing rolling element and inner and outer race, to keep bearing inner and outer race are in the state of compression, make bearing under the working load, in the negative clearance state operation, the purpose of bearing pre -tightening is to increase the stiffness of bearing, make the rotating shaft is in the axial and radial correct positioning, improve the rotation accuracy of shaft, reduce the vibration and noise of shaft, reduce the sliding of rolling element relative to the raceway of inner and outer race caused by inertial moment, compensate the internal clearance change of bearing due to wear, prolong the service life of bearing, and the existing device has certain disadvantages, such as the angular contact ball bearing pre -tightening mechanism of the announcement number CN220551394U, including installation base and threaded cylinder, the upper end surface edge of installation base is installed with support plate, the inside of support plate is installed with threaded rod, the outer surface of threaded rod is installed with threaded cylinder, the tail end of threaded cylinder is installed with sheath support, the outer surface of sheath support is provided with telescopic sleeve rod;

[0003] The above-mentioned device is convenient for pre -tightening, but because pre -tightening spring is multiple, corresponding pre -tightening bolt is also multiple, must adjust multiple bolts one by one, make every bolt extrude pre -tightening spring, can adjust pre -tightening force, and this operation is time -consuming and labor -intensive. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing single row angular contact ball bearing assembly pre -pressing device to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A single row angular contact ball bearing assembly pre -pressing device, including the upper surface fixedly connected with screw post of no.

[0007] The front surface of no. The front surface of no. The outer surface of the mounting column is nested and movably connected with a limiting module, the front surface of the limiting module is slidably connected with an adjusting module, and the outer surface of the adjusting module is slidably connected with an extruding module.

[0008] Further, the rear surface of the no. The rear surface of the no.

[0009] Further in, the outer surface of the mounting column is threadedly connected with a locking ring, and the outer surface of the screw column is threadedly connected with a nut.

[0010] Further in, the limiting module comprises a limiting seat, a nested sleeve and a through groove, the limiting seat is movably connected to the front surface of the mounting column in a nested mode, the nested sleeve is fixedly connected to the outer surface of the limiting seat, the limiting seat is connected to the mounting column in a nested mode through the nested sleeve, and the through groove is formed in the outer surface of the limiting seat.

[0011] Further in, the adjusting module comprises a sliding seat, a fastening bolt, a limiting column, a V-shaped sleeve and a limiting bolt, the sliding seat is slidably connected to the inside of the through groove, the fastening bolt is threadedly connected to the front surface of the sliding seat, one end of the fastening bolt is in contact with the front surface of the second mounting seat or the first mounting seat, the limiting column is fixedly connected to the outer surface of the sliding seat, the V-shaped sleeve is slidably connected to the outer surface of the limiting column in a nested mode, and the limiting bolt is threadedly connected to the front surface of the V-shaped sleeve.

[0012] Further in, the extruding module comprises an extruding seat, a positioning bolt, an extruding rod and an extruding spring, the extruding seat is slidably connected to the outer surface of the V-shaped sleeve in a nested mode, the positioning bolt is threadedly connected to the front surface of the extruding seat, the extruding rod is movably connected to the inside of the extruding seat, and the extruding spring is connected to the outer surface of the extruding rod in a nested mode.

[0013] Further in, one end of the extruding spring is in contact with the extruding seat, and one end of the positioning bolt is in contact with the V-shaped sleeve.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1. The position of the V-shaped sleeve can be adjusted downwards or upwards along the limiting column, the limiting column cooperates with the sliding seat to slide along the through groove, space is provided for the movement of the V-shaped sleeve, the extruding module can be suitable for bearing outer rings with different thicknesses, the shapes of the V-shaped sleeve and the limiting seat are V-shaped, the shaft is prevented from being blocked by the pre-pressing device, meanwhile, the position of the limiting module is adjusted in cooperation with the locking ring, the distance between the adjusting module and the extruding module and the first mounting seat or the second mounting seat is shortened, the synchronous extrusion of the extruding module on the bearing outer ring is realized, and the pre-tightening operation is facilitated.

[0016] 2. After the distance between the extruding module and the bearing is adjusted, the extruding rod is extruded under the elastic force of the extruding spring, the extruding rod can be extruded by rotating the positioning bolt, the extruding seat is not fixed, the extruding seat can slide along the V-shaped sleeve, the position adjustment of the extruding module is more delicate, and the adaptability of the device to different bearings is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the whole structure of the present application;

[0018] Figure 2 is the second mounting seat structure schematic view of the utility model;

[0019] Figure 3 is the adjusting module structure schematic view of the utility model;

[0020] Figure 4 is the extrusion module structure schematic view of the utility model.

[0021] In the drawing: 1, the first mounting seat; 101, the first mounting foot; 2, the second mounting seat; 201, the second mounting foot; 202, the mounting column; 203, the locking ring; 3, the stud; 301, the nut; 4, the limiting module; 401, the limiting seat; 402, the nested cylinder; 403, the through slot; 5, the adjusting module; 501, the sliding seat; 502, the fastening bolt; 503, the limiting column; 504, the V-shaped sleeve; 505, the limiting bolt; 6, the extrusion module; 601, the extrusion seat; 602, the positioning bolt; 603, the extrusion rod; 604, the extrusion spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 In the embodiments of the utility model, a single-row angular contact ball bearing assembly pre-pressing device comprises a first mounting seat 1, the upper surface of the first mounting seat 1 is fixedly connected with a stud 3, the outer surface of the stud 3 is nested with a second mounting seat 2 in a movable manner;

[0024] The front surface of the second mounting seat 2 and the front surface of the first mounting seat 1 are both fixedly connected with a mounting column 202, the outer surface of the mounting column 202 is nested with a limiting module 4 in a movable manner, the front surface of the limiting module 4 is slidably connected with an adjusting module 5, and the outer surface of the adjusting module 5 is slidably connected with an extrusion module 6.

[0025] Specifically, when in use, the single-row angular contact ball bearing is placed between the No. 1 mounting seat 1 and the No. 2 mounting seat 2. The No. 1 mounting seat 1 and the No. 2 mounting seat 2 use V-shaped grooves to preliminarily limit the outer ring part of the single-row angular contact ball bearing, and the distance between the No. 2 mounting seat 2 and the No. 1 mounting seat 1 can be adjusted along the stud 3, and the No. 2 mounting seat 2 can be limited by the nut 301, so that the outer ring parts of single-row angular contact ball bearings of different sizes can be limited. When pre-stressing, the locking ring 203 is rotated. Under the extrusion of the locking ring 203, the adjustment module 5 drives the extrusion module 6 to contact the outer ring part of the single-row angular contact ball bearing, and the outer ring part of the single-row angular contact ball bearing is squeezed by the extrusion spring 604 to perform pre-stressing operation. In addition, the extrusion module 6 is adjustable to facilitate adaptation to bearing outer rings of different thicknesses. Example 1

[0026] like Figures 1-4 As shown, the rear surface of the No. 1 mounting seat 1 is provided with a first mounting foot 101, the rear surface of the No. 2 mounting seat 2 is provided with a second mounting foot 201, the outer surface of the mounting column 202 is threadedly connected to a locking ring 203, and the outer surface of the stud 3 is threadedly connected to a nut 301.

[0027] In this embodiment, the first mounting foot 101 or the second mounting foot 201 can be used to fix the first mounting seat 1 or the second mounting seat 2 with an external threaded component, and the locking ring 203 is used to fix the position of the limiting module 4. Example 2

[0028] On the basis of the first embodiment, in order to make up for the problem in the first embodiment that it is inconvenient to adjust the position of the extrusion module 6.

[0029] like Figures 1-4 As shown, the limiting module 4 includes a limiting seat 401, a nesting cylinder 402 and a through slot 403. The limiting seat 401 is nested and movably connected to the front surface of the mounting column 202. The nesting cylinder 402 is fixedly connected to the outer surface of the limiting seat 401. The limiting seat 401 is nested and connected to the mounting column 202 through the nesting cylinder 402. The through slot 403 is opened on the outer surface of the limiting seat 401. The adjustment module 5 includes a sliding seat 501, a fastening bolt 502, a limiting column 503, a V-shaped sleeve 5 04 and limiting bolt 505, the sliding seat 501 is slidably connected to the inside of the through groove 403, the fastening bolt 502 is threadedly connected to the front surface of the sliding seat 501, one end of the fastening bolt 502 contacts the front surface of the No. 2 mounting seat 2 or the No. 1 mounting seat 1, the limiting column 503 is fixedly connected to the outer surface of the sliding seat 501, the V-shaped sleeve 504 is nested and slidably connected to the outer surface of the limiting column 503, and the limiting bolt 505 is threadedly connected to the front surface of the V-shaped sleeve 504.

[0030] In the embodiment, the limiting bolt 505 is rotated during use, one end of the limiting bolt 505 is separated from the limiting column 503 under the threaded pushing, the fastening bolt 502 is rotated, the end of the fastening bolt 502 is separated from the first mounting base 1 or the second mounting base 2, the position of the V-shaped sleeve 504 is adjusted along the limiting column 503 downward or upward, the limiting column 503 cooperates with the sliding seat 501 to slide along the through groove 403, space is provided for the movement of the V-shaped sleeve 504, the extrusion module 6 can be suitable for bearing outer rings with different thicknesses, the shape of the V-shaped sleeve 504 and the limiting seat 401 is V-shaped, the shaft is prevented from being blocked by the pre-pressing device, meanwhile, the position of the limiting module 4 is adjusted in cooperation with the locking ring 203, the distance between the adjusting module 5 and the extrusion module 6 and the first mounting base 1 or the second mounting base 2 is shortened, and the synchronous extrusion of the extrusion module 6 on the bearing outer ring is realized.

[0031] As shown in Figures 1-4 the extrusion module 6 comprises an extrusion seat 601, a positioning bolt 602, an extrusion rod 603 and an extrusion spring 604, the extrusion seat 601 is nested and slidably connected to the outer surface of the V-shaped sleeve 504, the positioning bolt 602 is threadedly connected to the front surface of the extrusion seat 601, the extrusion rod 603 is embedded and movably connected to the inside of the extrusion seat 601, the extrusion spring 604 is nested and connected to the outer surface of the extrusion rod 603, one end of the extrusion spring 604 is in contact with the extrusion seat 601, and one end of the positioning bolt 602 is in contact with the V-shaped sleeve 504.

[0032] In the embodiment, after the distance between the extrusion module 6 and the bearing is adjusted, the extrusion rod 603 is forced to extrude the bearing outer ring under the elastic force of the extrusion spring 604, and the extrusion seat 601 can be lost by rotating the positioning bolt 602, so that the extrusion seat 601 is slid along the V-shaped sleeve 504, the position adjustment of the extrusion module 6 is more delicate, and the adaptability of the device to different bearings is further improved.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0034] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A single-row angular contact ball bearing assembly pre-pressing device, comprising a first mounting seat (1), the upper surface of the first mounting seat (1) is fixedly connected with a stud (3), the outer surface of the stud (3) is movably connected with a second mounting seat (2); characterized in that The front surface of the second mounting seat (2) and the first mounting seat (1) is fixedly connected with a mounting column (202), the outer surface of the mounting column (202) is movably connected with a limiting module (4), the front surface of the limiting module (4) is movably connected with an adjusting module (5), the outer surface of the adjusting module (5) is movably connected with an extrusion module (6).

2. The single-row angular contact ball bearing assembly pre-pressing device according to claim 1, wherein, The rear surface of the first mounting seat (1) is provided with a first mounting foot (101), and the rear surface of the second mounting seat (2) is provided with a second mounting foot (201).

3. The single-row angular contact ball bearing assembly pre-pressing device according to claim 1, wherein, The outer surface of the mounting column (202) is threadedly connected with a locking ring (203), and the outer surface of the stud (3) is threadedly connected with a nut (301).

4. The single-row angular contact ball bearing assembly pre-pressing device according to claim 3, wherein, The limiting module (4) comprises: A limiting seat (401) movably connected to the front surface of the mounting column (202); A nested cylinder (402) fixedly connected to the outer surface of the limiting seat (401), the limiting seat (401) is movably connected with the mounting column (202) through the nested cylinder (402); A through slot (403) is formed in the outer surface of the limiting seat (401).

5. The single-row angular contact ball bearing assembly pre-pressing device according to claim 4, wherein, The adjusting module (5) comprises: A sliding seat (501) movably connected to the inside of the through slot (403); A fastening bolt (502) threadedly connected to the front surface of the sliding seat (501), one end of the fastening bolt (502) is in contact with the front surface of the second mounting seat (2) or the first mounting seat (1); A limiting column (503) fixedly connected to the outer surface of the sliding seat (501); A V-shaped sleeve (504) movably connected to the outer surface of the limiting column (503); A limiting bolt (505) threadedly connected to the front surface of the V-shaped sleeve (504).

6. The single-row angular contact ball bearing assembly pre-pressing device according to claim 5, wherein, The extrusion module (6) comprises: An extrusion seat (601) movably connected to the outer surface of the V-shaped sleeve (504); A positioning bolt (602) threadedly connected to the front surface of the extrusion seat (601); An extrusion rod (603) movably connected to the inside of the extrusion seat (601); An extrusion spring (604) movably connected to the outer surface of the extrusion rod (603).

7. The single-row angular contact ball bearing assembly pre-pressing device according to claim 6, wherein, One end of the extrusion spring (604) is in contact with the extrusion seat (601), and one end of the positioning bolt (602) is in contact with the V-shaped sleeve (504).

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