CN216009474U

CN216009474U - Speed reducer box bearing chamber widening device

Info

Publication number: CN216009474U
Application number: CN202122252826.5U
Authority: CN
Inventors: 刘红云; 鲁仲力; 周勇斌; 田静; 涂腊梅; 胡光照
Original assignee: Xianning Sanliu Transmission Equipment Co ltd
Current assignee: Xianning Sanliu Transmission Equipment Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-11
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of bearing chambers of speed reducer boxes, in particular to a widening device of a bearing chamber of a speed reducer box, which comprises a bearing base, wherein the top of the bearing base is provided with an upper bearing cover, the inner sides of the bearing base and the upper bearing cover are provided with bearing cavities, the inner side of each bearing cavity is provided with a widening bearing sleeve, the inner side of each widening bearing sleeve is provided with a compensating bearing sleeve, the inner side of each compensating bearing sleeve is provided with a bearing, and the inner side of each bearing is provided with a high speed reducer shaft. The smooth production is ensured, and the equipment maintenance cost is greatly reduced.

Description

Speed reducer box bearing chamber widening device

Technical Field

The utility model relates to a speed reducer box bearing room technical field specifically is a device is widened to speed reducer box bearing room.

Background

The rewinding straightening unit is important equipment for straightening cold-rolled strip steel, an uncoiler of the straightening unit is driven by a motor and a speed reducer, the input end of the speed reducer is provided with a high-speed shaft, and the output end of the speed reducer is provided with a low-speed output drum shaft. And bearings are arranged at two ends of the high-speed shaft and are arranged in a bearing chamber at the positioning end of the speed reducer box body. At present, the failure rate of bearings at two ends of a high-speed shaft is high, the smooth production is seriously influenced, the production efficiency of a pulling and straightening unit is reduced, and the maintenance cost of equipment is greatly increased. Through research of related technicians, the main reason of the failure of the bearing is that the rated dynamic load is small, and the bearing is often operated in an overload mode, so that the service life is short. The only method for solving the problems is to replace the bearing with larger rated dynamic load, but because the bearing chamber at the positioning end of the existing speed reducer box body is fixed, the bearing with larger volume can not be installed.

Therefore, the widening device for the bearing chamber of the speed reducer box body is designed to overcome the technical defects, so that the overall practicability is improved, and the widening device is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is widened to speed reducer box bearing room to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a device is widened to speed reducer box bearing room, includes the bearing base, the top of bearing base is provided with the bearing upper cover, the bearing chamber has been seted up with the inboard of bearing upper cover to the bearing base, the inboard in bearing chamber is provided with the bearing and widens the cover, the inboard that the cover was widened to the bearing is provided with the bearing compensation cover, the inboard of bearing compensation cover is provided with the bearing housing, the inboard of bearing housing is provided with the bearing, the inboard of bearing is provided with the speed reducer high-speed shaft.

As the utility model discloses preferred scheme, the inboard that the cover was widened to the bearing is provided with first rubber packing ring, the inboard that the cover was widened to the bearing is seted up the multiunit and is widened interior wall evenly distributed's spacing mouth along the bearing.

As the utility model discloses preferred scheme, the inboard of bearing compensation cover is provided with second rubber packing ring, the outside of bearing compensation cover and the position department of corresponding spacing mouth are provided with the spacing plug-in components that multiunit and spacing mouth cooperation were used.

As the utility model discloses preferred scheme, the left and right sides at bearing base top all is provided with the fixing bolt who runs through downwards, just through screw thread fixed connection between fixing bolt and the bearing upper cover.

As the utility model discloses preferred scheme, the bearing is widened the cover and is the loop configuration, spacing mouthful is trapezium structure.

As the utility model discloses preferred scheme, bearing compensation cover is the loop configuration, spacing plug-in components are trapezium structure.

As the utility model discloses preferred scheme, the external structure size of spacing plug-in components and the inner structure size phase-match of spacing mouthful, bearing compensation cover and bearing widen for the plug-in structure between the cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the device is widened to a speed reducer box bearing room that sets up, make the bearing room can hold not unidimensional bearing in the certain difference, solved the problem that the trouble frequently takes place because of rated dynamic load is not enough at speed reducer high-speed shaft both ends bearing well, the device not only can effectively reduce the bearing fault rate, guarantees to produce and goes on smoothly, the equipment maintenance cost that has significantly reduced moreover.

2. The utility model discloses in, widen device through a speed reducer box bearing room that sets up, the effect that cover and bearing compensation cover were widened to its centre bearing can be adjusted the space of bearing intracavity portion according to not unidimensional bearing, and can carry out quick assembly and dismantlement through spacing mouthful and spacing plug-in components, has advantages such as simple structure, simple to operate, long service life.

3. The utility model discloses in, widen the device through a speed reducer box bearing room that sets up, widen the rubber packing ring that cover and the inboard setting of bearing compensation cover at the bearing and can produce small clearance when the installation to it is poor to fill the produced small clearance of bearing when the installation, makes more firm stability after the installation.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a structural view of the bearing widening sleeve of the present invention;

fig. 3 is the structure diagram of the bearing compensation sleeve of the present invention.

In the figure: 1. a bearing mount; 2. an upper bearing cover; 3. a bearing cavity; 4. a bearing widening sleeve; 401. a first rubber gasket; 402. a limiting port; 5. a bearing compensation sleeve; 501. a second rubber gasket; 502. a limiting plug-in; 6. a bearing housing; 7. a bearing; 8. the speed reducer high-speed shaft.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a device is widened to speed reducer box bearing room, including bearing base 1, bearing base 1's top is provided with bearing upper cover 2, bearing cavity 3 has been seted up with bearing upper cover 2's inboard to bearing base 1, the inboard of bearing cavity 3 is provided with the bearing and widens cover 4, the inboard that the cover 4 was widened to the bearing is provided with bearing compensation cover 5, the inboard of bearing compensation cover 5 is provided with bearing housing 6, the inboard of bearing housing 6 is provided with bearing 7, the inboard of bearing 7 is provided with speed reducer high-speed shaft 8, the left and right sides at bearing base 1 top all is provided with the fixing bolt who runs through downwards, and pass through threaded fixed connection between fixing bolt and the bearing upper cover 2.

In an embodiment, referring to fig. 1 and fig. 2, a first rubber gasket 401 is disposed inside the bearing widening sleeve 4, a plurality of sets of limiting openings 402 are disposed inside the bearing widening sleeve 4 and are uniformly distributed along an inner circumferential wall of the bearing widening sleeve 4, the bearing widening sleeve 4 is designed to be of an annular structure, the limiting openings 402 are designed to be of a trapezoidal structure, and a detachable structure is disposed between the bearing widening sleeve 4 and the bearing cavity 3.

In an embodiment, referring to fig. 1 and fig. 3, a second rubber gasket 501 is disposed on an inner side of the bearing compensation sleeve 5, a plurality of sets of limiting plug-in units 502 used in cooperation with the limiting ports 402 are disposed on an outer side of the bearing compensation sleeve 5 and at positions corresponding to the limiting ports 402, the bearing compensation sleeve 5 is designed in an annular structure, the limiting plug-in units 502 are designed in a trapezoidal structure, an external structure size of the limiting plug-in units 502 corresponds to an internal structure size of the limiting ports 402, and a plug-in structure design is disposed between the bearing compensation sleeve 5 and the bearing widening sleeve 4.

The utility model discloses work flow: when the device is used, the combination mode of the bearing widening sleeve 4 and the bearing compensation sleeve 5 can be determined according to bearings with different sizes, the limit opening 402 on the bearing widening sleeve 4 and the limit plug-in 502 on the bearing compensation sleeve 5 are used for rapid assembly and disassembly, the first rubber gasket 401 and the second rubber gasket 502 arranged on the inner sides of the bearing widening sleeve 4 and the bearing compensation sleeve 5 can fill up the small gap difference generated when the bearings are installed when a small gap is generated, so that the bearings are firmer and more stable after installation, the device has the advantages of simple structure, convenience in installation, long service life and the like, the problem that the bearings at two ends of a high-speed shaft of the speed reducer frequently fail due to insufficient rated dynamic load is well solved, the device not only can effectively reduce the failure rate of the bearings, ensure that the production is carried out smoothly, but also greatly reduces the maintenance cost of equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device is widened to speed reducer box bearing room, includes bearing base (1), its characterized in that: the top of bearing base (1) is provided with bearing upper cover (2), bearing chamber (3) have been seted up with the inboard of bearing upper cover (2) to bearing base (1), the inboard of bearing chamber (3) is provided with the bearing and widens cover (4), the inboard that the cover (4) was widened to the bearing is provided with bearing compensation cover (5), the inboard of bearing compensation cover (5) is provided with bearing housing (6), the inboard of bearing housing (6) is provided with bearing (7), the inboard of bearing (7) is provided with speed reducer high-speed shaft (8).

2. The widening device for the bearing chamber of the reducer box body according to claim 1, wherein: the inner side of the bearing widening sleeve (4) is provided with a first rubber gasket (401), and the inner side of the bearing widening sleeve (4) is provided with a plurality of groups of limiting openings (402) which are uniformly distributed along the inner circumferential wall of the bearing widening sleeve (4).

3. The widening device for the bearing chamber of the reducer box body according to claim 2, wherein: the inner side of the bearing compensation sleeve (5) is provided with a second rubber gasket (501), and the outer side of the bearing compensation sleeve (5) and the position corresponding to the limiting opening (402) are provided with a plurality of groups of limiting plug-in components (502) matched with the limiting opening (402) for use.

4. The widening device for the bearing chamber of the reducer box body according to claim 1, wherein: the left side and the right side of the top of the bearing base (1) are both provided with fixing bolts which penetrate downwards, and the fixing bolts are fixedly connected with the bearing upper cover (2) through threads.

5. The widening device for the bearing chamber of the reducer box body according to claim 2, wherein: the bearing widening sleeve (4) is of an annular structure, and the limiting port (402) is of a trapezoidal structure.

6. The widening device for the bearing chamber of the reducer box body according to claim 3, wherein: the bearing compensation sleeve (5) is of an annular structure, and the limiting plug-in (502) is of a trapezoidal structure.

7. The widening device for the bearing chamber of the reducer box body according to claim 3, wherein: the external structure size of the limiting plug-in (502) is matched with the internal structure size of the limiting opening (402), and a plug-in structure is arranged between the bearing compensation sleeve (5) and the bearing widening sleeve (4).