Rolling bearing mounting structure applied to split type bearing seat

Abstract

The utility model provides a rolling bearing installation structure applied to a split type bearing seat, which comprises a group rolling bearing, a bearing outer sleeve and a shaft, the group rolling bearing is sleeved on a first section excircle of the shaft, the bearing rear end face of the group rolling bearing is attached to a shaft shoulder of the shaft, the bearing front end face of the group rolling bearing is tightly jacked by a locking nut, and the bearing outer sleeve is sleeved on the shaft. The outer circle of the outer ring of the group of rolling bearings is sleeved with the bearing outer sleeve, the upper bearing seat is installed at the upper end of the bearing outer sleeve, the lower bearing seat is installed at the lower end of the bearing outer sleeve, the upper bearing seat and the lower bearing seat are of split structures, and the bearing end covers are fixedly arranged at the front ends of the upper bearing seat and the lower bearing seat; the split type bearing seat is simple in structure and easy to manufacture and install, axial loads of a rolling bearing are evenly distributed when the split type bearing seat is used, the bearing performance is good, a rotor operates evenly, and the stability of a unit is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing installation and fixed technical field especially relates to a kind of rolling bearing mounting structure applied to split type bearing seat. BACKGROUND

[0002] Due to the influence of material and processing technology and other factors, the bearing seat used by traditional rolling bearing is mostly integral bearing seat structure, and the integral bearing seat structure can fix the rolling bearing by cooperating with the bearing gland at both ends. With the rapid development of industrialization, more and more mechanical equipment needs to use split type bearing seat structure, if the rolling bearing is directly installed in the split type bearing seat, it is necessary to improve the part processing and assembly process requirements to improve the equipment installation and operation precision, the production cost is high, and after installation and use, the contact condition of rolling bearing and split type bearing seat is not clear, and the equipment operation safety hazard is large;Therefore, it is necessary to design a bearing sleeve matched with the split type bearing seat for the operation and maintenance of the equipment. SUMMARY

[0003] The utility model provides a kind of rolling bearing mounting structure applied to split type bearing seat.

[0004] To achieve the above object, the technical scheme of the utility model is:

[0005] A kind of rolling bearing mounting structure applied to split type bearing seat, characterized by, including group rolling bearing, bearing sleeve and shaft, the group rolling bearing is sleeved on the first section outer circle of shaft, the bearing rear end surface of group rolling bearing is attached to the shoulder of shaft, the bearing front end surface of group rolling bearing is tightly pressed by lock nut, the bearing sleeve is sleeved on the outer circle of the outer ring of group rolling bearing, the upper end of the bearing sleeve is installed upper bearing seat, the lower end of the bearing sleeve is installed lower bearing seat, the upper bearing seat and lower bearing seat are half structure, the front end of the upper bearing seat and lower bearing seat is fixed with bearing end cover.

[0006] Further, the inner side of the rear end of the bearing sleeve is provided with a convex ring, and the convex ring is attached to the rear end surface of the group rolling bearing.

[0007] Further, the rear end of the bearing end cover is provided with a circular ring-shaped outer circle segment, and the outer circle segment is inserted into the mounting inner hole of the bearing sleeve.

[0008] Further, the upper bearing seat, lower bearing seat and bearing end cover are fixedly connected by fastening bolt.

[0009] The utility model is applied to split type bearing seat, simple structure, easy to manufacture and install, the axial load of rolling bearing is evenly distributed when using, the force bearing performance is good, the rotor runs evenly, and the unit stability is high. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic view of the utility model;

[0011] Figure 2 It is the structure schematic view of the utility model bearing sleeve;

[0012] Figure 3 It is the structure schematic view of the utility model shaft;

[0013] Figure 4 It is the structure schematic view of the utility model grouped rolling bearing;

[0014] Figure 5 It is the structure schematic view of the utility model bearing end cover;

[0015] Figure 6 It is the combination structure schematic view of the utility model upper bearing seat and lower bearing seat.

[0016] Reference signs:

[0017] 1 lower bearing seat, 2 shaft, 3 upper bearing seat, 4 grouped rolling bearing, 5 bearing sleeve,

[0018] 6 fastening bolt, 7 locking nut, 8 bearing end cover,

[0019] 101 inner circle mounting hole,

[0020] 201 first section, 202 shaft shoulder,

[0021] 401 bearing rear end face, 402 bearing front end face, 403 inner ring, 404 outer ring,

[0022] 501 convex ring, 502 mounting inner hole,

[0023] 801 outer circle section, 802 rear end face. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0025] The utility model discloses a kind of rolling bearing mounting structures applied to split type bearing seat, as shown in Fig. Figure 1 It includes lower bearing seat 1, shaft 2, upper bearing seat 3, grouped rolling bearing 4, bearing sleeve 5 and bearing end cover 8.

[0026] As shown in Fig. Figure 2As shown, the inner side of the rear end of the bearing sleeve 5 is provided with a convex ring 501, and the front end opening of the bearing sleeve 5 is provided with a mounting hole 502.

[0027] As shown, Figure 3 As shown, the front part of the shaft 2 is provided with a shaft shoulder 202, and the shaft shoulder 202 of the shaft 2 is the first section 201 of the shaft 2.

[0028] As shown, Figure 4 As shown, the group rolling bearing 4 is a cylindrical structure, including an inner ring 403 and an outer ring 404.

[0029] As shown, Figure 5 As shown, the rear end of the bearing end cover 8 is provided with a circular ring-shaped outer circle section 801.

[0030] As shown, Figure 6 As shown, the upper bearing seat 3 and the lower bearing seat 1 are half-split type structures, that is, the upper bearing seat 3 and the lower bearing seat 1 are combined to form a complete bearing seat, and the upper bearing seat 3 and the lower bearing seat 1 are combined to form an inner circle mounting hole 101,

[0031] As shown, Figure 3 and Figure 4 As shown, the inner ring 403 of the group rolling bearing 4 is sleeved on the outer circle of the first section 201 of the shaft 2, and the bearing rear end face 401 of the group rolling bearing 4 is attached to the shaft shoulder 202 of the shaft 2, as shown, Figure 1 As shown, the bearing front end face 402 of the group rolling bearing 4 is tightly pressed by the lock nut 7.

[0032] As shown, Figure 2 and Figure 4 As shown, the bearing sleeve 5 is sleeved on the outer circle of the outer ring 404 of the group rolling bearing 4, and the convex ring 501 of the bearing sleeve 5 is attached to the bearing rear end face 401 of the group rolling bearing 4.

[0033] As shown, Figure 1 and Figure 6 As shown, the upper end of the bearing sleeve 5 is mounted with the upper bearing seat 3, the lower end of the bearing sleeve 5 is mounted with the lower bearing seat 1, the bearing sleeve 5 is placed in the inner circle mounting hole 101, and the bearing end cover 8 and the bearing sleeve 5 are tightly pressed in the upper bearing seat 3 and the lower bearing seat 1 by the fastening bolt 6.

[0034] As shown, Figure 2 and Figure 5 As shown, the outer circle section 801 is inserted into the mounting hole 502 of the bearing sleeve 5, and the rear end face 802 of the bearing end cover 8 is attached to the bearing front end face 402 of the group rolling bearing 4.

[0035] In use, since the bearing sleeve 5 is a whole circular ring structure, the axial load of the group rolling bearing 4 is uniformly distributed, the load bearing performance is good, and the rotor runs smoothly.

[0036] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A rolling bearing mounting structure applied to a split bearing housing, characterized by, The application relates to a bearing assembly, which comprises a set of rolling bearings (4), a bearing sleeve (5) and a shaft (2), the set of rolling bearings (4) is sleeved on the outer circle of the first section (201) of the shaft (2), the bearing rear end surface (401) of the set of rolling bearings (4) is attached to the shaft shoulder (202) of the shaft (2), the bearing front end surface (402) of the set of rolling bearings (4) is tightly pressed by a locking nut (7), the bearing sleeve (5) is sleeved on the outer circle of the outer ring (404) of the set of rolling bearings (4), the upper end of the bearing sleeve (5) is installed with an upper bearing seat (3), the lower end of the bearing sleeve (5) is installed with a lower bearing seat (1), the upper bearing seat (3) and the lower bearing seat (1) are half-split type structures, the front end of the upper bearing seat (3) and the lower bearing seat (1) is fixedly provided with a bearing end cover (8).

2. The rolling bearing mounting structure according to claim 1, characterized by The inner side of the rear end of the bearing sleeve (5) is provided with a convex ring (501), and the convex ring (501) is attached to the bearing rear end surface (401) of the set of rolling bearings (4).

3. The rolling bearing mounting structure according to claim 1, characterized by The rear end of the bearing end cover (8) is provided with a circular ring-shaped outer circle section (801), and the outer circle section (801) is inserted into the mounting inner hole (502) of the bearing sleeve (5).

4. The rolling bearing mounting structure according to claim 1, characterized by The upper bearing seat (3), the lower bearing seat (1) and the bearing end cover (8) are fixedly connected through fastening bolts (6).

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