CN214702751U

CN214702751U - Simulation experiment bench

Info

Publication number: CN214702751U
Application number: CN202120217334.XU
Authority: CN
Inventors: 沙川
Original assignee: Chongqing Medical University
Current assignee: Chongqing Medical University
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-12
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a simulation experiment rack, the on-line screen storage device comprises a base, the rotating electrical machines, primary shaft bearing, the secondary shaft bearing, the shaft coupling, the test bearing, the rotation axis, movable support frame and adjustment subassembly, base upper wall one side is equipped with the sliding tray, the rotating electrical machines locates base upper wall one side, the base upper wall is located to the primary shaft bearing, secondary shaft bearing locates rotating electrical machines one side on the base, the test bearing is located in the bearing frame, the base upper wall is located to the movable support frame, the adjustment subassembly is including buffering place the seat, the adjustment screw thread post, the threaded sleeve, the loading wheel, connect the loose axle, fixed rotation handle, the stopper, buffer spring, horizontal screw thread post and sliding block. The utility model belongs to the technical field of experimental facilities, specifically a can simulate both sides bearing and evenly bear, can the simulation system centering trouble again, the adjustment is nimble, and load bearing mode is various, can satisfy the real working condition of simulation bearing, the accurate simulation experiment rack of measured data.

Description

Simulation experiment bench

Technical Field

The utility model belongs to the technical field of experimental facilities, especially, relate to a simulation experiment rack.

Background

The small rolling bearing is widely applied to various fields of engineering machinery, transportation, household appliances and the like, such as an electric motor for an electric vehicle, a numerical control machine, an electric appliance instrument and the like, and is one of key parts for judging whether rotary machinery runs reliably. The small rolling bearing is usually under the action of radial load, the load is variable, and under the complex working condition, the bearing is easy to break down, and if the bearing cannot be handled in time, the bearing finally fails, so that serious safety accidents and economic losses are caused. Therefore, it is necessary to perform a fault simulation experiment on the small rolling bearing, establish a perfect fault information database, and provide a basis for the diagnosis and identification of the early fault of the bearing, so that a simulation experiment bench for the bearing fault simulation experiment is needed, which can simulate the uniform bearing of the bearings at two sides and the misalignment fault of a system. In addition, the existing rolling bearing radial loading mainly comprises point loading and semi-circle loading, the loading position is usually arranged on a bearing seat, and the loading is realized by utilizing the radial thrust of the bearing seat to a bearing outer ring, so that the mode can not simulate the real working condition of the bearing, and the measured data is inaccurate.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a simulation experiment rack can simulate both sides bearing and evenly bear, can the simulation system centering trouble again, and the adjustment is nimble, and load bearing mode is various, can satisfy the real working condition of simulation bearing, and the data of surveying are accurate.

The utility model adopts the technical scheme as follows: the utility model provides a simulation experiment rack, includes a simulation experiment rack, its characterized in that: including base, rotating electrical machines, primary shaft bearing, secondary shaft bearing, shaft coupling, test bearing, rotation axis, movable support frame, test subassembly and adjustment subassembly, base upper wall one side is equipped with the sliding tray, rotating electrical machines locates base upper wall one side, primary shaft bearing locates the base upper wall, secondary shaft bearing locates and keeps away from rotating electrical machines one side on the base, test bearing locates in the bearing frame, the rotation axis runs through test bearing, test bearing passes through the coupling joint with rotating electrical machines, movable support frame locates the base upper wall, movable support frame locates on the sliding tray, movable support frame is the L type setting, test subassembly locates primary shaft bearing and secondary shaft bearing lateral wall, adjustment subassembly is including buffering place the seat, adjustment screw post, threaded sleeve, loading wheel, connection loose axle, The lifting threaded column penetrates through the upper wall of the movable support frame, the horizontal threaded column is arranged in the sliding groove, one end of the horizontal threaded column is connected with the side wall of one end of the sliding groove through a bearing, the other end of the horizontal threaded column penetrates through the side wall of the other side of the sliding groove, the sliding block is arranged in the sliding groove and is in threaded connection with the horizontal threaded column, and the sliding block is fixedly arranged at the center of the lower wall of the movable support frame.

Furthermore, the upper end of the lifting threaded column is provided with a lifting rotating handle, so that the lifting threaded column can be controlled conveniently.

Furthermore, the free end of the horizontal threaded column is provided with a horizontal rotating handle, so that the horizontal threaded column is convenient to control.

Further, the length of the sliding groove is larger than the distance between the first bearing seat and the second bearing seat, so that the loading wheel can be arranged at any position between the first bearing seat and the second bearing seat.

After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model relates to a simulation experiment bench, the test bearing that needs loading is placed in first bearing frame and second bearing frame, and the rotation axis runs through the test bearing, the fixed initiative handle of loading wheel both sides is loosened first, then the loading wheel is adjusted, because the loading wheel is fixed to be set up on the spiral sleeve, the spiral sleeve moves on the adjustment screw post, namely the loading wheel moves on the adjustment screw post, the position is adjusted, then the fixed rotation handle of loading wheel both sides is screwed up, then the rotatory lift rotation handle, the lift screw post moves downwards, the lift screw post passes through the bearing with connecting the loose axle, give the adjustment screw post a loading load this time, through adjusting the different positions of loading wheel, can accomplish the symmetrical loading power of adjustment screw post, when the asymmetric loading power that needs loading, can rotate the horizontal rotation handle, the horizontal screw post is rotatory, the sliding block is driven to move in the sliding groove, the sliding block drives the movable support frame to move, corresponding positions can be adjusted, then the positions of the loading wheels are adjusted, asymmetric loading loads meeting different conditions are enabled to be met, then the rotating motor is turned on, the rotating motor drives the rotating shaft to rotate, and the testing component can analyze different loading conditions of the testing bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic diagram of a structure of a simulation experiment bench of the present invention;

fig. 2 is the utility model relates to a structural schematic diagram of a simulation experiment bench.

In the drawings: 1. the base, 2, the rotating electrical machines, 3, primary shaft bearing, 4, the secondary shaft bearing, 5, the shaft coupling, 6, the test bearing, 7, the rotation axis, 8, the activity support frame, 9, the adjustment subassembly, 10, the sliding tray, 11, the buffering seat of placing, 12, the adjustment screw thread post, 13, the screw sleeve, 14, the loading wheel, 15, connect the loose axle, 16, fixed rotation handle, 17, the stopper, 18, buffer spring, 19, horizontal screw thread post, 20, the sliding block, 21, the buffering standing groove, 22, the lift rotates the handle, 23, the horizontal rotation handle, 24, the lift screw thread post, 25, test component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-2, a simulation experiment bench comprises a base 1, a rotating electrical machine 2, a first bearing seat 3, a second bearing seat 4, a coupler 5, a testing bearing 6, a rotating shaft 7, a movable supporting frame 8, a testing component 25 and an adjusting component 9, wherein a sliding groove 10 is arranged on one side of the upper wall of the base 1, the rotating electrical machine 2 is arranged on one side of the upper wall of the base 1, the first bearing seat 3 is arranged on the upper wall of the base 1, the second bearing seat 4 is arranged on one side of the base 1 far away from the rotating electrical machine 2, the testing bearing 6 is arranged in the bearing seat, the rotating shaft 7 penetrates through the testing bearing 6, the testing bearing 6 is connected with the rotating electrical machine 2 through the coupler 5, the movable supporting frame 8 is arranged on the upper wall of the base 1, the movable supporting frame 8 is arranged on the sliding groove 10, the movable supporting frame 8 is in an L-shaped arrangement, the testing component 25 is arranged on the outer side walls of the first bearing seat 3 and the second bearing seat 4, the adjusting component 9 comprises a buffering placing seat 11, an adjusting threaded column 12, a threaded sleeve 13, a loading wheel 14, a connecting movable shaft 15, a fixed rotating handle 16, a limiting block 17, a buffering spring 18, a lifting threaded column 24, a horizontal threaded column 19 and a sliding block 20, wherein the buffering placing seat 11 is symmetrically arranged on a first bearing seat 3 and a second bearing seat 4, a buffering placing groove 21 is arranged on the inner side wall of the buffering placing seat 11, the buffering spring 18 is arranged in the buffering placing groove 21, the limiting block 17 is arranged at the upper end of the buffering spring 18, the adjusting threaded column 12 is arranged on the inner side walls of the two symmetrical limiting blocks 17, the connecting movable shaft 15 is arranged at the center of the adjusting threaded column 12, the threaded sleeve 13 is symmetrically arranged on two sides of the connecting movable shaft 15, the loading wheel 14 is arranged on the threaded sleeve 13, and the fixed rotating handle 16 is symmetrically arranged on two sides of the threaded sleeve 13, the lift screw post 24 runs through the 8 upper walls of movable support frame, horizontal screw post 19 is located in sliding

tray

10, 19 one end of horizontal screw post is connected through the bearing with sliding tray 10 one end lateral wall, the 19 other end of horizontal screw post runs through sliding tray 10 opposite side lateral wall, sliding block 20 is located in sliding tray 10, sliding block 20 passes through threaded connection with horizontal screw post 19, sliding block 20 is fixed and is located 8 lower wall center departments of movable support frame.

The upper end of the lifting threaded column 24 is provided with a lifting rotating handle 22 for conveniently controlling the lifting threaded column 24, the free end of the horizontal threaded column 19 is provided with a horizontal rotating handle 23 for conveniently controlling the horizontal threaded column 19, the length of the sliding groove 10 is greater than the distance between the first bearing seat 3 and the second bearing seat 4, and the loading wheel 14 can be positioned at any position between the first bearing seat 3 and the second bearing seat 4.

When the device is used specifically, after the device is placed at a specified position, the test bearing 6 to be loaded is placed in the first bearing seat 3 and the second bearing seat 4, the rotating shaft 7 penetrates through the test bearing 6, the fixed driving handles on two sides of the loading wheel 14 are firstly loosened, then the loading wheel 14 is adjusted, as the loading wheel 14 is fixedly arranged on the spiral sleeve, the threaded sleeve 13 moves on the adjusting threaded column 12, namely the loading wheel 14 moves on the adjusting threaded column 12, the position is adjusted, then the fixed rotating handles 16 on two sides of the loading wheel 14 are screwed, then the lifting rotating handle 22 is rotated, the lifting threaded column 24 moves downwards, the lifting threaded column 24 is connected with the connecting movable shaft 15 through the bearing, a loading load is applied to the adjusting threaded column 12 at the moment, the symmetrical loading force to the adjusting threaded column 12 can be completed by adjusting different positions of the loading wheel 14, when the asymmetrical loading force needs to be loaded, can rotate horizontal rotation handle 23, horizontal screw thread post 19 is rotatory, drives sliding block 20 and removes in sliding tray 10, and sliding block 20 drives movable support frame 8 and removes, can adjust to corresponding position, then the position of readjustment loading wheel 14 makes the asymmetric loading that satisfies the different situation, then opens rotating electrical machines 2, and rotating electrical machines 2 drives the rotation axis 7 and rotates, and test component 25 can carry out different loading situations to test bearing 6 and carry out the analysis.

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. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a simulation experiment rack which characterized in that: including base, rotating electrical machines, primary shaft bearing, secondary shaft bearing, shaft coupling, test bearing, rotation axis, movable support frame, test subassembly and adjustment subassembly, base upper wall one side is equipped with the sliding tray, rotating electrical machines locates base upper wall one side, primary shaft bearing locates the base upper wall, secondary shaft bearing locates and keeps away from rotating electrical machines one side on the base, test bearing locates in the bearing frame, the rotation axis runs through test bearing, test bearing passes through the coupling joint with rotating electrical machines, movable support frame locates the base upper wall, movable support frame locates on the sliding tray, movable support frame is the L type setting, test subassembly locates primary shaft bearing and secondary shaft bearing lateral wall, adjustment subassembly is including buffering place the seat, adjustment screw post, threaded sleeve, loading wheel, connection loose axle, The lifting threaded column penetrates through the upper wall of the movable support frame, the horizontal threaded column is arranged in the sliding groove, one end of the horizontal threaded column is connected with the side wall of one end of the sliding groove through a bearing, the other end of the horizontal threaded column penetrates through the side wall of the other side of the sliding groove, the sliding block is arranged in the sliding groove and is in threaded connection with the horizontal threaded column, and the sliding block is fixedly arranged at the center of the lower wall of the movable support frame.

2. A simulation bench of claim 1, wherein: and a lifting rotating handle is arranged at the upper end of the lifting threaded column.

3. A simulation bench of claim 1, wherein: and a horizontal rotating handle is arranged at the free end of the horizontal threaded column.

4. A simulation bench of claim 1, wherein: the length of the sliding groove is larger than the distance between the first bearing seat and the second bearing seat.