CN212155508U

CN212155508U - Bearing seat

Info

Publication number: CN212155508U
Application number: CN202020223405.2U
Authority: CN
Inventors: 鲁复员; 程功
Original assignee: Yangzhou Maoyuan Environmental Protection Technology Co ltd
Current assignee: Yangzhou Maoyuan Environmental Protection Technology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-12-15
Anticipated expiration: 2030-02-27

Abstract

The utility model belongs to the technical field of the bearing, concretely relates to bearing frame. The bearing seat comprises a first gland and is fixedly connected with the output end of the speed reducer; the shaft sleeve is sleeved on the transmission shaft; the second gland is sleeved on the transmission shaft and is fixedly connected with the rack; the bearing pieces are arranged at two ends of the shaft sleeve and are positioned between the first gland and the second gland; wherein, the bearing piece near the first gland end bears the round nut. The problem that a transmission shaft of a speed reducer cannot bear axial force is solved. The integral connection that forms at the bearing spare at axle sleeve both ends through first gland, frame and the second gland that connect gradually is on the speed reducer, and wherein the epaxial round nut bearing of transmission is on the bearing spare of upper end, and then has realized the bearing and has lived the transmission shaft, guarantees the effective transmission of power of the speed reducer of vertical setting and transmission shaft.

Description

Bearing seat

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to bearing frame.

Background

The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.

The speed reducer is connected with an external transmission shaft through a key, an output shaft of the speed reducer cannot bear axial force generally, and when the speed reducer is influenced by the environment and the output shaft of the speed reducer needs to be vertically arranged, the transmission shaft cannot be hung on the output shaft, so that power transmission cannot be effectively realized.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment will solve lies in overcoming prior art not enough, provides a bearing frame for solve the unable problem that bears the axial force of speed reducer transmission shaft.

The technical scheme for solving the technical problems in the embodiment of the application is as follows: the utility model provides a bearing frame is applied to and connects between speed reducer output and transmission shaft, the fixed coupling has the round nut on the transmission shaft, and this bearing frame includes:

the first gland is fixedly connected to the output end of the speed reducer;

the second gland is sleeved on the transmission shaft;

the frame is arranged between the first gland and the second gland and used for connecting the first gland and the second gland;

the shaft sleeve is sleeved on the transmission shaft and is positioned in the rack;

the bearing pieces are arranged at two ends of the shaft sleeve and are positioned between the first gland and the second gland;

wherein the bearing member proximate the first gland end bears against the round nut.

According to the technical scheme, the method has the following beneficial effects:

through connecting gradually first gland, frame and second gland form a frame, this frame is on the flange of speed reducer output through first gland fixed connection, the axle sleeve both ends that set up in the frame are provided with the bearing spare respectively, two bearing spare are located between first gland and the second gland, cup joint within the axle sleeve with the transmission shaft of speed reducer output end key-type connection, fixed connection is on the bearing spare of transmission epaxial round nut pressure in the upper end, the whole of two bearing spare and axle sleeve formation is fixed on the flange of speed reducer output by the frame bearing, and then realized the bearing and lived the transmission shaft, guarantee that the transmission of the speed reducer output shaft of vertical setting and the transmission of transmission shaft is connected effectively all the time.

Furthermore, a bent part is formed on the inner side of the first gland, a flange is arranged on the end face, close to the bearing piece, of the second gland, the bent part is abutted to the upper end of the bearing piece at the end, and the flange is abutted to the lower end of the bearing piece at the end. The beneficial effect of this step is: the upper end of the bearing piece at the end is abutted by the annular bending part formed on the inner side of the first gland, and the lower end of the bearing piece at the end is abutted by the flange arranged at the upper end of the second gland, so that the bearing pieces respectively arranged at the two ends of the shaft sleeve are clamped from the upper end and the lower end.

Further, the bearing piece adopts a tapered roller bearing. The beneficial effect of this step is: the axial bearing of the transmission shaft is realized through the bearing piece capable of bearing the axial force.

Further, the two tapered roller bearings are arranged oppositely. The beneficial effect of this step is: the two tapered roller bearings are oppositely arranged, so that the inner rings of the two tapered roller bearings are pressed on the shaft sleeve, the shaft sleeve and the tapered roller bearings at the two ends can be sleeved from any end when the second gland, the shaft sleeve and the first gland are sequentially sleeved, and the tapered roller bearings at the two ends can be matched with the round nuts on the transmission shaft without difference.

Furthermore, the frame is also provided with an oil nozzle.

Further, the bottom of the second gland is also provided with an oil seal.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. through the first gland that connects gradually, the frame that frame and second gland formed and the flange fixed connection of speed reducer output, the axle sleeve that sets up in this frame in addition cup joints on the transmission shaft with speed reducer output key-type connection, the bearing spare that sets up between first gland and second gland and be located the axle sleeve both ends live the epaxial round nut of fixed connection through the bearing, and then the bearing lives the transmission shaft, guarantee that the transmission of the speed reducer output shaft of vertical setting and transmission shaft is connected effectively all the time.

2. The annular bending part formed on the first gland and the flange arranged on the second gland clamp the bearing pieces arranged at two ends of the shaft sleeve from the upper direction and the lower direction, so that the round nut pressed on the bearing piece at the upper end can transmit force to the first gland in the vertical direction, a frame formed by the frame and the second gland is fixedly connected on the speed reducer, and then the vertical transmission shaft is supported through the bearing support, and the problem that an output shaft of the speed reducer cannot bear axial force is solved.

3. Through the bearing piece that can bear the axial force for the transmission shaft that vertical setting just hung on this bearing piece effectively rotates.

4. The two tapered roller bearings are oppositely arranged, so that the inner rings of the two tapered roller bearings are pressed on the shaft sleeve, the shaft sleeve and the tapered roller bearings at the two ends can be sleeved from any end when the second gland, the shaft sleeve and the first gland are sequentially sleeved, and the tapered roller bearings at the two ends can be matched with the round nuts on the transmission shaft without difference.

5. The oil nozzle arranged on the frame is convenient for the bearing to be lubricated for maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Reference numerals:

1. a speed reducer; 2. a round nut; 3. a first gland; a 301 bending part; 4. a bearing member; 5. a shaft sleeve; 6. a nozzle tip; 7. a second gland; 701. a flange; 8. oil sealing; 9. a drive shaft; 10. and a frame.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1, the embodiment of the utility model provides a bearing frame is applied to and connects between 1 output shaft of speed reducer and transmission shaft 9, and the fixed coupling has round nut 2 on the transmission shaft 9, and this bearing frame includes:

the first gland 3 is fixedly connected to the output end of the speed reducer 1;

specifically, the first gland 3 is sleeved on the transmission shaft 9 and fixedly connected with a flange at the output end of the speed reducer 1 through a bolt;

the second gland 7 is sleeved on the transmission shaft 9;

the frame 10 is arranged between the first gland 3 and the second gland 7 and used for connecting the first gland 3 and the second gland 7;

specifically, the frame 10 is arranged between the first gland 3 and the second gland 7, and is fixedly connected through bolts to form an integral frame, and then the first gland 3 is connected to a flange at the output end of the speed reducer 1 to form a fixing;

the shaft sleeve 5 is sleeved on the transmission shaft 9 and is positioned in the rack 10;

the bearing pieces 4 are arranged at two ends of the shaft sleeve 5 and are positioned between the first gland 3 and the second gland 7;

specifically, the shaft sleeve 5 is sleeved on the transmission shaft 9, and the bearing pieces 4 arranged at the two ends of the shaft sleeve 5 are positioned between the first gland 3 and the second gland 7, so that the transmission of the integral vertical force is realized;

wherein the bearing piece 4 close to the end of the first gland 3 bears the round nut 2.

Specifically, a first gland 3, a second gland 7 and a frame 10 form an integral frame, wherein the first gland 3 is fixedly connected with an output end flange of a speed reducer 1, two ends of a shaft sleeve 5 arranged in the frame 10 are respectively provided with a bearing piece 4, the two bearing pieces 4 are positioned between the first gland 3 and the second gland 7, a transmission shaft 9 which is connected with the output end key of the speed reducer 1 is sleeved in the shaft sleeve 5, a round nut 2 which is fixedly connected on the transmission shaft 9 is pressed on a bearing part 4 at the upper end, the whole body formed by the two bearing parts 4 and the shaft sleeve 5 transmits the downward pressure given by the round nut 2 to a frame which is formed by a first gland 3, a second gland 7 and a frame 10, the frame is fixed on a flange at the output end of the speed reducer 1, and then realized that the bearing lives transmission shaft 9, guaranteed that the transmission of 1 output shaft of speed reducer of vertical setting and transmission shaft 9 is connected effectively all the time.

In this embodiment, a bent portion is formed inside the first gland 3, a flange 701 is provided on an end surface of the second gland 7 close to the bearing member 4, the bent portion abuts against an upper end of the bearing member 4 at this end, and the flange 701 abuts against a lower end of the bearing member 4 at this end.

Specifically, the annular bending part formed downwards on the inner side of the first gland 3 and the annular flange 701 arranged at the upper end of the second gland 7 are respectively abutted to the upper end face of the upper end bearing piece 4 and the lower end face of the lower end bearing piece 4, so that the bearing pieces 4 respectively arranged at two ends of the shaft sleeve 5 are clamped from the upper end and the lower end, pressure acting on the upper end bearing piece 4 is effectively transmitted to the frame formed by the first gland 3, the second gland 7 and the frame 10, and the transmission shaft 9 is mounted on the speed reducer 1 through the bearing seat.

In this embodiment, the bearing member 4 is a tapered roller bearing. Through bearing spare 4 that can bear the axial force, realize the axial bearing to transmission shaft 9, solved the unable problem that bears the axial force of output of speed reducer 1.

As shown in fig. 1, the tapered roller bearings are disposed to face each other such that inner rings of the tapered roller bearings are both disposed toward the inner sleeve 5. The two tapered roller bearings are oppositely arranged, so that the inner rings of the two tapered roller bearings are pressed on the shaft sleeve 5, and the shaft sleeve 5 and the tapered roller bearings at the two ends can be sleeved from any end when the second gland 7, the shaft sleeve 5 and the first gland 3 are sequentially sleeved, and the tapered roller bearings at the two ends can be matched with the round nut 2 on the transmission shaft 9 without difference.

In this embodiment, the frame 10 is further provided with a nozzle 6. The oil nozzle 6 arranged on the frame 10 is convenient for the bearing to be lubricated for maintenance.

In this embodiment, the bottom of the second gland 7 is further provided with an oil seal 8, and specifically, a framework oil seal 8 can be adopted.

When the speed reducer is installed and used, when the output shaft of the speed reducer 1 needs to be vertically arranged, because the output shaft of the speed reducer 1 cannot bear axial force, and further the external transmission shaft 9 can not be mounted to realize power transmission, firstly the first gland 3, the frame 10 and the second gland 7 are connected and fixed in sequence to form a frame, then the framework oil seal 8 is sealed at the outer side of the second gland 7, so that the framework oil seal 8 is connected with the framework and integrally sleeved on the transmission shaft 9 in sequence, then the shaft sleeve 5 and the two tapered roller bearings arranged at the two ends of the shaft sleeve 5 are integrally sleeved on the transmission shaft 9 in the frame 10, round nut 2 is fastened on transmission shaft 9, so that round nut 2 is abutted to the tapered roller bearing at one end of first gland 3, transmission shaft 9 is connected with the output shaft of speed reducer 1 in a key connection mode, and then first gland 3 in the bearing seat is fixed on the flange at the output end of speed reducer 1 through bolts. At this moment, the output shaft of the speed reducer 1 and the transmission shaft 9 are integrally vertically arranged, and the round nut 2 on the transmission shaft 9 is hung on the tapered roller bearing at one end of the first gland 3 in the bearing seat, so that the power transmission of the output shaft of the speed reducer 1 to the transmission shaft 9 is realized, the problem that the output shaft of the speed reducer 1 cannot bear the axial force is solved, and the speed reducer 1 which is vertically arranged can still output and transmit power.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a bearing frame is applied to and connects between speed reducer output and transmission shaft, the fixed coupling has round nut, its characterized in that on the transmission shaft: the bearing seat comprises

The first gland is fixedly connected to the output end of the speed reducer;

the second gland is sleeved on the transmission shaft;

2. A bearing housing according to claim 1, wherein: the inner side of the first gland is provided with a bending part, the end face of the second gland, which is close to the bearing piece, is provided with a flange, the bending part is abutted to the upper end of the bearing piece at the end, and the flange is abutted to the lower end of the bearing piece at the end.

3. A bearing housing according to claim 2, wherein: the bearing part adopts a tapered roller bearing.

4. A bearing housing according to claim 3, wherein: the two tapered roller bearings are oppositely arranged.

5. A bearing housing according to claim 1, wherein: the frame is also provided with an oil nozzle.

6. A bearing housing according to claim 5, wherein: and an oil seal is also arranged at the bottom of the second gland.