CN213658254U

CN213658254U - Vibration adjusting mechanism for bearing testing machine

Info

Publication number: CN213658254U
Application number: CN202022694061.6U
Authority: CN
Inventors: 陈春华; 张炳初
Original assignee: Xin Xie Tong Ningbo Grease Co ltd
Current assignee: Xin Xie Tong Ningbo Grease Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-09
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of bearing life test technique and specifically relates to a vibration adjustment mechanism for on bearing test machine, including test machine platform and install the motor on the test machine bottle and with motor complex bearing fixed establishment, install vibration adjustment mechanism respectively corresponding to motor and bearing fixed establishment department on the test machine platform, vibration adjustment mechanism includes fixing base, vibration seat, bracing piece, adjusting device, vibrating motor and controller, and fixing base fixed mounting is on the test machine platform, the utility model discloses can realize the bearing life test under the vibration condition, improve the test experiment under the true service environment.

Description

Vibration adjusting mechanism for bearing testing machine

Technical Field

The utility model relates to a bearing life test technical field, specific field is a vibration adjustment mechanism for on bearing test machine.

Background

The bearing is one of the common parts in mechanical equipment, and when detecting the bearing, the service life of the bearing is usually detected by adopting a method that a power device drives the bearing to be detected to rotate.

In the existing testing device, a motor and the like fixed on a base are generally adopted to provide power for the rotation of a bearing, and the whole testing platform has high anti-vibration performance. The data obtained is therefore bearing life in highly ideal conditions, which is of limited instructive interest.

And for the parameter test in the bearing vibration process, no specific test reference exists, so the bearing test process and realization in the vibration state are required.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a vibration adjustment mechanism for on bearing test machine.

In order to achieve the above object, the utility model provides a following technical scheme: a vibration adjusting mechanism for a bearing testing machine comprises a testing machine platform, a motor and a bearing fixing mechanism, wherein the motor is installed on a bottle body of the testing machine, the bearing fixing mechanism is matched with the motor, the vibration adjusting mechanism is installed on the testing machine platform and corresponds to the motor and the bearing fixing mechanism, the vibration adjusting mechanism comprises a fixing seat, a vibration seat, supporting rods, an adjusting device, a vibrating motor and a controller, the fixing seat is fixedly installed on the testing machine platform, the 4 supporting rods are vertically and fixedly installed at 4 corners of the upper side face of the fixing seat respectively, the upper ends of the supporting rods are in threaded arrangement, the adjusting device is installed at the upper end threads of the supporting rods and comprises a first nut, a first gasket, a first spring, a second gasket, a third gasket, a second spring, a fourth gasket, a second nut and a third nut, and the first nut, the second, The vibration testing machine comprises a first gasket, a second gasket, a third gasket, a second spring, a fourth gasket, a second nut and a third nut, wherein the first gasket, the second gasket, the third gasket, the second spring, the fourth gasket, the second nut and the third nut are sequentially installed at the upper end threads of a supporting rod from bottom to top, through holes are respectively formed in positions, corresponding to 4 supporting rods, on a vibration seat, the inner diameter of each through hole is larger than the cross section diameter of the corresponding supporting rod and smaller than the outer diameter of each gasket, the vibration seat is installed on the 4 supporting rods, the supporting rods penetrate through the through holes, the upper side face and the lower side face of the vibration seat are respectively abutted to the third gasket and the second gasket, a vibration motor is installed on the lower side face of the vibration seat, a controller is installed on a testing machine platform, the.

Preferably, a connecting fixing piece is arranged between the two vibration seats, and the two vibration seats are fixedly connected through the connecting fixing piece.

Preferably, the connecting and fixing piece is a fixed steel plate, and two ends of the fixed steel plate are respectively and fixedly connected with the two vibration seats through bolts.

Preferably, the thread position of the upper end of the support rod is arranged on the surface of the optical axis corresponding to the through hole, and the diameter of the cross section of the optical axis is smaller than that of the cross section of the support rod.

Compared with the prior art, the beneficial effects of the utility model are that: the bearing rotation process can be realized through the arrangement of the vibration adjusting mechanism, the addition of vibration factors improves the bearing matching degree and the service life test of the bearing under the vibration state, the test experiment parameters under the real state are improved, and the condition that the operation error of an ideal environment test result on the real use environment is too large, so that the bearing parameter data cannot be accurately matched is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the vibration seat of the present invention;

FIG. 3 is a top view of the split structure of the vibration seat of the present invention;

fig. 4 is an enlarged schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. a test machine platform; 2. an electric motor; 3. a bearing fixing mechanism; 4. a fixed seat; 5. a vibration seat; 6. a support bar; 7. a vibration motor; 8. a controller; 9. a first nut; 10. a first gasket; 11. a first spring; 12. a second gasket; 13. a third gasket; 14. a second spring; 15. a gasket IV; 16. a second nut; 17. a third nut; 18. connecting a fixing piece; 19. an optical axis surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a vibration adjusting mechanism for a bearing testing machine comprises a testing machine platform 1, a motor 2 and a bearing fixing mechanism 3, wherein the motor 2 is installed on a testing machine bottle body, the bearing fixing mechanism 3 is matched with the motor 2, the vibration adjusting mechanism is installed on the testing machine platform 1 and corresponds to the motor 2 and the bearing fixing mechanism 3 respectively, the vibration adjusting mechanism comprises a fixing seat 4, a vibration seat 5, supporting rods 6, an adjusting device, a vibration motor 7 and a controller 8, the fixing seat 4 is fixedly installed on the testing machine platform 1, the supporting rods 6 are provided with 4 supporting rods 6, the 4 supporting rods 6 are vertically and fixedly installed at 4 corners of the upper side face of the fixing seat 4 respectively, the upper end of each supporting rod 6 is in threaded arrangement, the adjusting device is installed at the upper end threaded position of each supporting rod 6, and comprises a first nut 9, a first gasket 10, a first spring 11, a second gasket, A gasket IV 15, a second nut 16 and a third nut 17, wherein the first nut 9, the gasket I10, the spring I11, the gasket II 12, the gasket III 13, the spring II 14, the gasket IV 15, the second nut 16 and the third nut 17 are sequentially installed at the upper end thread of the support rod 6 from bottom to top, through holes are respectively arranged on the vibration seat 5 corresponding to the 4 support rods 6, the inner diameter of each through hole is larger than the section diameter of the support rod 6 and smaller than the outer diameter of the gasket, the vibration seat 5 is installed on the 4 support rods 6, the support rods 6 penetrate through the through holes, the upper side surface and the lower side surface of the vibration seat 5 are respectively abutted against the gasket III 13 and the gasket II 12, the vibration motor 7 is installed on the lower side surface of the vibration seat 5, the controller 8 is installed on the platform 1, the output of the controller 8 is connected with the control end of the vibration motor 7, the motor 2 is installed on one vibration seat 5, the bearing fixing mechanism 3 is mounted on the other vibration seat 5.

First nut 9 is located the below and is used for playing the supporting role to gasket one 10, gasket one 10 and gasket two 12 are used for supporting and pushing down spring one 11, gasket three 13 and gasket four 15 are used for supporting and pushing down spring two 14, gasket two 12 and gasket three 13 are used for closing the both ends about the through-hole department of vibration seat 5, when avoiding the too big vibration seat 5 that leads to of through-hole, spring one 11 or two stretch into the through-hole and lead to the structure dislocation disorder, second nut 16 is used for supporting to gasket four 15 and presses and the elasticity regulation of spring one 11 and two, third nut 17 is used for spacing and the fastening to second nut 16.

A connecting and fixing part 18 is arranged between the two vibration seats 5, and the two vibration seats 5 are fixedly connected through the connecting and fixing part 18. The connecting and fixing part 18 is a fixed steel plate, and two ends of the fixed steel plate are respectively fixedly connected with the two vibrating seats 5 through bolts.

When need carry out vibration test alone to motor 2 or bearing fixed establishment 3, will connect the mounting 18 and demolish for two vibration seats 5 can use alone respectively, when need carry out motor 2 and bearing fixed establishment 3 and carry out synchronous vibration, fix two vibration seats 5 as an organic whole through connecting mounting 18.

The thread position of the upper end of the support rod 6 is arranged corresponding to the through hole and is an optical axis surface 19, and the section diameter of the optical axis position is smaller than that of the support rod 6.

At vibration seat 5 vibration in-process, optical axis department can avoid through-hole and bracing piece 6 long-time vibration to lead to screw thread wearing and tearing, and the diameter of optical axis is less than the diameter of bracing piece 6 simultaneously for the through-hole is located the interval corresponding to the optical axis and is bigger, makes the vibration excursion distance and the range that improve vibration seat 5 bigger.

According to the technical scheme, when the motor 2 and the bearing fixing mechanism 3 need to vibrate independently, the fixed steel plate is detached from the two vibration seats 5, and then the vibration amplitude and the frequency of the two vibration motors 7 are adjusted through the controller 8 respectively, so that the influence of vibration conditions under different vibration working conditions on the service life of the bearing is realized;

when the motor 2 and the bearing fixing mechanism 3 need to vibrate synchronously, the two vibration seats 5 are fixedly connected into a whole through the fixing steel plate, and then one of the vibration motors 7 is controlled independently according to needs or the two vibration motors 7 are adjusted by the controller 8 according to the same vibration amplitude and frequency to realize the synchronous vibration of the two vibration seats 5.

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 vibration adjustment mechanism for on bearing test machine, includes the test machine platform and installs the motor on the test machine bottle and with motor complex bearing fixed establishment, its characterized in that: the test machine platform is provided with vibration adjusting mechanisms corresponding to the motor and the bearing fixing mechanism respectively, each vibration adjusting mechanism comprises a fixed seat, a vibration seat, a supporting rod, an adjusting device, a vibration motor and a controller, the fixed seats are fixedly arranged on the test machine platform, the supporting rods are provided with 4 supporting rods, the 4 supporting rods are vertically and fixedly arranged at 4 corners of the upper side surface of the fixed seats respectively, the upper ends of the supporting rods are in threaded arrangement, the adjusting device is arranged at the upper end threads of the supporting rods and comprises a first nut, a first gasket, a first spring, a second gasket, a third gasket, a second spring, a fourth gasket, a second nut and a third nut, the first gasket, the first spring, the second gasket, the third gasket, the second spring, the fourth gasket, the second nut and the third nut are sequentially arranged at the upper end threads of the supporting rods from bottom to top, through holes are formed in the vibration seats corresponding to the 4 supporting rods respectively, the internal diameter of through-hole is greater than the cross-sectional diameter of bracing piece, and is less than the gasket external diameter, and the vibration seat is installed on 4 spinal branch vaulting poles, and the bracing piece runs through the through-hole, and the upper and lower both sides face of vibration seat is contradicted respectively on gasket three and gasket two, vibrating motor installs on the downside of vibration seat, the controller is installed on the test machine platform, and the control end with vibrating motor of the output of controller is connected, and the motor is installed on one of them vibration seat, and bearing fixed establishment installs on another vibration seat.

2. The vibration adjusting mechanism for a bearing testing machine according to claim 1, wherein: a connecting fixing piece is arranged between the two vibration seats, and the two vibration seats are fixedly connected through the connecting fixing piece.

3. The vibration adjusting mechanism for a bearing testing machine according to claim 2, wherein: the connecting and fixing piece is a fixed steel plate, and two ends of the fixed steel plate are fixedly connected with the two vibration seats through bolts respectively.

4. The vibration adjusting mechanism for a bearing testing machine according to claim 1, wherein: the upper end screw thread department of bracing piece corresponds to through-hole department and is the optical axis surface setting, and the cross-sectional diameter of this optical axis department is less than the cross-sectional diameter of bracing piece.