CN112284663A

CN112284663A - Vibration and rotation comprehensive experiment device

Info

Publication number: CN112284663A
Application number: CN202011114377.1A
Authority: CN
Inventors: 管能胜
Original assignee: Guangdong Sushi Guangbo Test Technology Co ltd
Current assignee: Guangdong Sushi Guangbo Test Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-01-29

Abstract

The invention discloses a vibration and rotation comprehensive experiment device which comprises a supporting table and a supporting frame vertically arranged at the right side of the surface of the supporting table, wherein the surface of the supporting table is respectively and vertically provided with at least two working boxes, the top end of each working box is transversely provided with a working table, the surface of each working table is covered with a protection box, a part to be tested is protected and fixed through the protection boxes and is subjected to vibration test, the top end of the outer part of each protection box is vertically provided with a rotating shaft, and the rotating shaft drives the protection boxes to rotate so as to perform rotation test; compared with the prior art, the invention has the beneficial effects that: the two-point vibration excitation and the rotation excitation of the test piece (the bearing of the locomotive axle) are realized, the actual working condition of the bearing is simulated more truly, the failure mode of the test piece (the bearing of the locomotive axle) can be found more truly, and the reliability of the test piece (the bearing of the locomotive axle) is improved.

Description

Vibration and rotation comprehensive experiment device

Technical Field

The invention relates to the field of experimental equipment, in particular to a vibration and rotation comprehensive experimental device.

Background

At present, a bearing test of a locomotive axle is mainly in a single-point vibration mode, and a transmission shaft and a bearing are arranged on a large single-shaft vibration table to vibrate through a design tool. Furthermore, the rotation test is performed separately from the vibration test and is not combined. With the development of the locomotive industry, the current locomotive bearing test can not meet the practical requirement because the failure mode of the bearing in the locomotive running process is high. Most probably because the locomotive bearing has taken place the condition of undertesting, the actual operating condition of bearing is difficult to the true simulation to present locomotive bearing test, provides a vibration and rotates comprehensive experiment device for this reason.

Disclosure of Invention

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

The utility model provides a vibration rotates comprehensive experiment device, includes brace table and vertical installation in the support frame of brace table surface right side department, the brace table surface is vertical respectively installs the work box, and the work box is at least two, the workstation is transversely installed to the work box top, and the surface covering of workstation has the guard box, and then protects fixedly and carry out the vibration test to the part that awaits measuring through the guard box, the vertical axis of rotation of installing in the outside top of guard box, and the axis of rotation drives the guard box and rotates, and then rotates the test.

Preferably, the inside mount that is provided with of support frame, and the inside motor that is provided with of mount, drive shaft on the motor rotates and is provided with the driving chain, and the motor rotates through driving chain and axis of rotation and is connected.

Preferably, a hydraulic cylinder is arranged at the top end inside the protection box, a pressing plate is transversely arranged at the bottom end of a hydraulic rod on the hydraulic cylinder, and the pressing plate and the workbench are parallel to each other.

Preferably, first solid fixed ring is transversely installed on the inside top of work box, and first solid fixed ring is at least two, the inside vertical cover of first solid fixed ring is equipped with the support column, and the top and the workstation bottom of support column are connected.

Preferably, support column side portion cover is equipped with first sand grip, and first sand grip slides and sets up inside first solid fixed ring, and then makes the support column rotate through first sand grip in first solid fixed ring is inside.

Preferably, the solid fixed ring of second is transversely installed to work box inside bottom, and the solid fixed ring of second is two at least, the inside vertical cover of the solid fixed ring of second is equipped with the vibrator, and the vertical vibration axle that is provided with in vibrator top to the top of vibration axle is connected with the bottom of support column.

Preferably, the vibrator side portion cover is equipped with the second sand grip, and the second sand grip slides and sets up in the solid fixed ring inside of second, and then makes the vibrator rotate through the second sand grip at the solid fixed ring inside of second people.

Compared with the prior art, the invention has the beneficial effects that: the two-point vibration excitation and the rotation excitation of the test piece (the bearing of the locomotive axle) are realized, the actual working condition of the bearing is simulated more truly, the failure mode of the test piece (the bearing of the locomotive axle) can be found more truly, and the reliability of the test piece (the bearing of the locomotive axle) is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 of a vibration and rotation comprehensive experimental device;

FIG. 2 is another schematic structural diagram of a vibration and rotation comprehensive experiment device;

FIG. 3 is a schematic structural diagram of a support column;

fig. 4 is a schematic view of the structure of the vibrator.

Shown in the figure: 1. supporting table, 2, supporting frame, 3, driving chain, 4, work box, 5, guard box, 6, axis of rotation, 7, workstation, 8, support column, 9, pneumatic cylinder, 10, hydraulic stem, 11, first solid fixed ring, 12, vibration axle, 13, the solid fixed ring of second, 14, vibrator, 15, mount, 16, motor, 17, first sand grip, 18, the second sand grip.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the invention, a vibration and rotation comprehensive experiment device comprises a supporting table 1 and a supporting frame 2 vertically installed on the right side of the surface of the supporting table 1, working boxes 4 are respectively vertically installed on the surface of the supporting table 1, at least two working boxes 4 are installed on the surface of the supporting table 1, a working table 7 is transversely installed at the top end of each working box 4, a protection box 5 covers the surface of each working table 7, a part to be tested is protected and fixed through the protection box 5 and is subjected to vibration testing, a rotating shaft 6 is vertically installed at the top end of the outer portion of each protection box 5, and the rotating shaft 6 drives the protection boxes 5 to rotate so as to.

Support frame 2 is inside to be provided with mount 15, and the inside motor 16 that is provided with of mount 15, drive shaft on the motor 16 rotates and is provided with driving chain 3, and motor 16 rotates through driving chain 3 and axis of rotation 6 and is connected, and then rotates the test to the part on the workstation 7.

The inside top of guard box 5 is provided with pneumatic cylinder 9, and the bottom of the last hydraulic stem 10 of pneumatic cylinder 9 transversely is provided with the clamp plate (not marking in the picture) to be parallel to each other between clamp plate and the workstation 7, make through pneumatic cylinder 9 control clamp plate press the part of placing on the workstation 7 surface admittedly, and then carry out the vibration rotation test.

First solid fixed ring 11 is transversely installed on the inside top of work box 4, and first solid fixed ring 11 is at least two, the inside vertical cover of first solid fixed ring 11 is equipped with support column 8, and the top of support column 8 is connected with 7 bottoms of workstation, and then support column 8 also can rotate when making axis of rotation 6 drive guard box 5 and workstation 7 rotate.

Side cover of support column 8 is equipped with first sand grip 17, and first sand grip 7 slides and sets up inside first solid fixed ring 11, and then makes support column 8 rotate inside first solid fixed ring 11 through first sand grip 17.

The inside bottom of work box 4 transversely installs the solid fixed ring 13 of second, and the solid fixed ring 13 of second is two at least, the solid fixed ring 13 inside vertical cover of second is equipped with vibrator 14, and the vertical vibration axle 12 that is provided with in vibrator 14 top to the top of vibration axle 12 is connected with the bottom of support column 8, makes vibrator 14 drive support column 8 vibrate, and then drives workstation 7 and vibrate and carry out vibration test to the part on workstation 7 surface.

The side of the vibrator 14 is sleeved with a second protruding strip 18, and the second protruding strip 18 is slidably disposed inside the second fixing ring 13, so that the vibrator 14 rotates inside the second fixing ring 11 through the second protruding strip 18.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a vibration rotation comprehensive experiment device, includes brace table and the vertical support frame of installing in brace table surface right side department, its characterized in that, the brace table surface is vertical respectively installs the work box, and the work box is at least two, the workstation is transversely installed to the work box top, and the surface covering of workstation has the guard box, and then protects fixedly and carry out the vibration test to the part that awaits measuring through the guard box, the vertical axis of rotation of installing in the outside top of guard box, and the axis of rotation drives the guard box and rotates, and then rotates the test.

2. The comprehensive experimental device for vibration and rotation as claimed in claim 1, wherein a fixing frame is arranged inside the supporting frame, a motor is arranged inside the fixing frame, a driving shaft of the motor is rotatably provided with a transmission chain, and the motor is rotatably connected with the rotating shaft through the transmission chain.

3. The vibration and rotation comprehensive experiment device as claimed in claim 1, wherein a hydraulic cylinder is arranged at the top end inside the protection box, a pressing plate is transversely arranged at the bottom end of a hydraulic rod on the hydraulic cylinder, and the pressing plate and the workbench are parallel to each other.

4. The vibration and rotation comprehensive experiment device as claimed in claim 1, wherein at least two first fixing rings are transversely installed at the top end of the inner portion of the work box, a supporting column is vertically sleeved in each first fixing ring, and the top end of each supporting column is connected with the bottom end of the work table.

5. A vibration and rotation comprehensive experiment device according to claim 4, wherein the support column side surface portion is sleeved with a first protruding strip, and the first protruding strip is slidably disposed inside the first fixing ring, so that the support column rotates inside the first fixing ring through the first protruding strip.

6. The comprehensive experiment device for the vibration and rotation is characterized in that at least two second fixing rings are transversely installed at the bottom end of the inner portion of the working box, a vibrator is vertically sleeved inside each second fixing ring, a vibration shaft is vertically arranged at the top end of the vibrator, and the top end of the vibration shaft is connected with the bottom end of the supporting column.

7. A vibration and rotation comprehensive experiment device according to claim 6, wherein the vibrator side portion is sleeved with a second protruding strip, and the second protruding strip is slidably disposed inside the second fixing ring, so that the vibrator can rotate inside the second fixing ring through the second protruding strip.