A kind of spherical bearing for vehicle deflection endurance test device

Abstract

The application discloses a kind of vehicle spherical bearing deflection endurance test device, comprising: a loading mechanism for providing axial loading force to the vehicle spherical bearing to be tested;The shaft end of the loading motor of the loading mechanism is contacted with the first end of the elastic element through the pressure sensor;The second end of the elastic element is provided with a test shaft;The other end of the test shaft is inserted into the bearing seat of the vehicle spherical bearing mounting mechanism and contacted with the bearing inner ring of the vehicle spherical bearing;A deflection oscillation mechanism for controlling the deflection frequency of the oscillation spindle;One end of the oscillation spindle is contacted with the bearing outer ring of the vehicle spherical bearing radially through the second connecting shaft deeply into the bearing seat;The angle of the vehicle spherical bearing is controlled by the angle encoder with the first connecting shaft symmetrically arranged with the oscillation spindle;The output motor of the deflection oscillation mechanism is connected with the other end of the oscillation spindle through the crank rocker mechanism, and the deflection frequency of the oscillation spindle is controlled through the crank rocker mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of manufacturing of automobile spherical bearing, in particular to a kind of automobile spherical bearing deflection endurance test device. BACKGROUND

[0002] The feature of automobile spherical bearing is that the outer diameter surface of its outer ring is spherical, which can be matched into the corresponding concave spherical surface of bearing seat to play the role of aligning, mainly applied to deflection or eccentric working condition, and when working, the outer ring and bearing seat contact spherical surface do deflection movement, so the reliable and stable matching between spherical surfaces is closely related to the use performance of spherical bearing, and the wear of spherical contact surface directly affects the noise of bearing, with time elapsing, the service life of bearing is affected, and for the deflection endurance test of automobile spherical bearing, there is no mature special equipment to carry out efficient test on the market. SUMMARY

[0003] In order to overcome the above-mentioned defects of prior art, the purpose of the present application is to provide a kind of automobile spherical bearing deflection endurance test device.The deflection frequency and angle of the present application can be adjusted, which can better meet the needs of different automobile spherical bearing deflection endurance test.

[0004] In order to achieve the purpose of the present application, the technical scheme adopted is:

[0005] A kind of automobile spherical bearing deflection endurance test device, comprising:

[0006] A loading mechanism for providing axial loading force to the automobile spherical bearing to be tested;

[0007] The shaft end of the loading motor of the loading mechanism is in contact with the first end of the elastic member through a pressure sensor;

[0008] The second end of the elastic member is provided with a test shaft;

[0009] The other end of the test shaft is inserted into the bearing seat of the automobile spherical bearing mounting mechanism and in contact with the bearing inner ring of the automobile spherical bearing;

[0010] A deflection oscillation mechanism for controlling the deflection frequency of the oscillation spindle;

[0011] One end of the oscillation spindle is in radial contact with the bearing outer ring of the automobile spherical bearing through the second connecting shaft deeply inserted into the bearing seat;

[0012] The angle of the automobile spherical bearing is controlled by the angle encoder with the first connecting shaft symmetrically arranged with the oscillation spindle;

[0013] The output motor of the deflection oscillation mechanism is connected to the other end of the oscillation spindle through the crank rocker mechanism, and the deflection frequency of the oscillation spindle is controlled through the crank rocker mechanism.

[0014] In a preferred embodiment of the present application, the elastic member is a spring arranged in the spring chamber,

[0015] The first end opening of the spring chamber allows the spring to contact the pressure sensor, and the second end opening of the spring chamber allows the test shaft seat end of the test shaft to contact the spring.

[0016] In a preferred embodiment of the present application, the test shaft is a stepped structure.

[0017] In a preferred embodiment of the present application, the bearing seat is fixed by a bearing seat fixing frame.

[0018] In a preferred embodiment of the present application, the inner side of the bearing seat contacts the bearing outer ring of the vehicle spherical bearing.

[0019] In a preferred embodiment of the present application, the first connecting shaft is fixed by a first support.

[0020] In a preferred embodiment of the present application, the second connecting shaft is fixed by a second support.

[0021] In a preferred embodiment of the present application, the output motor is fixed by an output motor support.

[0022] In a preferred embodiment of the present application, the crank rocker mechanism includes a first hinge connected to the output shaft of the output motor through a swing head mounting plate;

[0023] The first hinge is connected to a second hinge through a first connecting rod;

[0024] The second hinge is connected to the other end of the oscillation main shaft through a rocker and locked by a locking nut.

[0025] In a preferred embodiment of the present application, the oscillation main shaft is fixed by an oscillation main shaft support.

[0026] The present application has the following advantages:

[0027] The deflection frequency and angle of the present application can be adjusted to meet the needs of different vehicle spherical bearing deflection durability tests. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The installation schematic of the present application Figure 1 .

[0029] Figure 2 The loading mechanism schematic of the present application

[0030] Figure 3 A partial schematic view of a loading mechanism of the present application.

[0031] Figure 4 A schematic view of an installation of the present application Figure 2 .

[0032] Figure 5 A partial schematic view of an installation of the present application. DETAILED DESCRIPTION

[0033] In order to make the objectives, technical solutions and advantages of the present application clearer, further detailed description will be given below with the aid of drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the scope of the present application. In addition, in the following structures, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0034] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, "first" and "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0035] As Figures 1-5 The vehicle spherical bearing yawing endurance test device according to any one of the above-mentioned embodiments comprises a loading mechanism 100 for providing an axial loading force to the vehicle spherical bearing to be tested.

[0036] The shaft end of the loading motor 1 of the loading mechanism is in contact with the first end of the elastic member 5 through the pressure sensor 3, the second end of the elastic member 5 is provided with the test shaft 6, the elastic member 5 is a spring 5 arranged in the spring bin 4, the first end opening of the spring bin 4 allows the spring 5 to be in contact with the pressure sensor 3, and the second end opening of the spring bin 4 allows the test shaft seat end of the test shaft 6 to be in contact with the spring 5.

[0037] The test shaft 6 is of a stepped structure. The other end of the test shaft 6 is inserted into the bearing seat 7 of the vehicle spherical bearing installation mechanism 200 and is in contact with the bearing inner ring 10 of the vehicle spherical bearing.

[0038] The left end of the test shaft 6 is nested in the spring bin 4, and is matched with the inner diameter of the spring bin 4, and can slide, the right end of the test shaft 6 is matched with the bearing inner ring 10 of the automobile spherical bearing, the bearing inner ring 10 of the automobile spherical bearing is locked to the test shaft 6 by a nut; the bearing outer ring 9 of the automobile spherical bearing is nested in the bearing seat 7, the bearing seat 7 is a concave spherical structure, and the bearing outer ring 9 of the automobile spherical bearing can swing along the axial direction with the bearing seat 7.

[0039] The bearing seat 7 is externally fixed by the bearing seat fixing frame 8. The inner side of the bearing seat 7 is in contact with the bearing outer ring 9 of the automobile spherical bearing.

[0040] The present application also includes a swing oscillation mechanism 300 for controlling the swing frequency of the oscillation main shaft 25, one end of the oscillation main shaft 25 is in radial contact with the bearing outer ring 9 of the automobile spherical bearing through the second connecting shaft 14 deep into the bearing seat 7. The second connecting shaft 14 is fixed by the second support 15.

[0041] The angle of the automobile spherical bearing is controlled by the angle encoder 11 with the first connecting shaft 13 symmetrically arranged with the oscillation main shaft 25. The first connecting shaft 13 is fixed by the first support 12.

[0042] The first connecting shaft 13 passes through the upper circular hole of the first support 12 on the left side and is connected with the angle encoder 11, a ball bearing 121 is installed inside the upper circular hole of the first support 12 for supporting the first connecting shaft 13.

[0043] The second connecting shaft 14 passes through the upper circular hole of the second support 15 on the right side, a ball bearing 151 is installed inside the upper circular hole of the second support 15 for supporting the second connecting shaft 14, and the first support 12 and the second support 15 are fixedly installed on the test bench plate.

[0044] The output motor 16 of the swing oscillation mechanism is connected with the other end of the oscillation main shaft 25 through the crank rocker mechanism, and the swing frequency of the oscillation main shaft 25 is controlled through the crank rocker mechanism. The output motor 16 is fixed by the output motor support 19. The oscillation main shaft 25 is fixed by the oscillation main shaft support 24.

[0045] The crank rocker mechanism includes a first hinge 17 connected with the output shaft of the output motor 16 through a swing head mounting plate 18, the first hinge 17 is connected with a second hinge 21 through a first connecting rod 20, the second hinge 21 is connected with the other end of the oscillation main shaft 25 through a rocker 22 and is locked by a locking nut 23.

[0046] The output motor 16 of the eccentric oscillation mechanism is fixedly connected with the swing head mounting plate 18 concentrically, the swing head mounting plate 18 is provided with a sliding groove structure 181, the first hinge 17 is eccentrically mounted in the swing head mounting plate sliding groove 181 through a sliding block 182, the swing angle of the rocker 22 is changed by changing the eccentric position of the sliding block 182 in the sliding groove 181, the first hinge 17 and the second hinge 21 are internally provided with bearings and can rotate in the circumferential direction, the first hinge 17 and the second hinge 21 are connected through the connecting rod 20, the second hinge 21 is connected with the upper part of the rocker 22, the lower part of the rocker 22 is fixed to the other end of the oscillation main shaft 25 through a locking nut 23, and the frequency of oscillation of the oscillation main shaft is controlled by controlling the rotating speed of the output motor 16.

[0047] During work, the loading mechanism pushes the load by controlling the loading motor 1 of the loading mechanism, the load is transmitted to the inner ring 10 of the spherical bearing through the pressure sensor 3, the spring 5 and the test shaft 6, and is applied to the bearing outer ring 9 and the bearing seat through the steel ball, so that the load of the spherical bearing spherical contact surface is achieved, and the spring 5 has good buffering capacity, so that the load is more stable.

[0048] The eccentric oscillation mechanism drives the swing head mounting plate 18 to rotate by controlling the output motor 16 of the eccentric oscillation mechanism, at this time, the first hinge 17 rotates at a constant speed due to the eccentric structure, the connecting rod 20 drives the rocker 22 to reciprocating swing through the first hinge 17 and the second hinge 21, so as to drive the oscillation main shaft 24 to rotate in the positive and negative directions, and drive the second connecting shaft 14, the bearing seat fixing frame 7 and the bearing seat 8 to rotate in the positive and negative directions, so that the spherical bearing outer ring 9 and the bearing seat 8 can swing along the axial direction of the spherical bearing.

[0049] The fixing of the application is not fixed immovably, but relatively fixed.

[0050] The basic principle and main features of the application and the advantages of the application are shown and described above.

[0051] Those skilled in the art should understand that the application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the application, and various changes and improvements can be made without departing from the spirit and scope of the application, and these changes and improvements all fall within the scope of the application claimed, and the scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A vehicle spherical bearing deflection durability test device, characterized in that: The utility model relates to a test device for testing the vibration frequency of a vehicle ball bearing, comprising: a loading mechanism for providing axial loading force to the vehicle ball bearing to be tested; the shaft end of the loading motor of the loading mechanism is in contact with the first end of an elastic element through a pressure sensor; the second end of the elastic element is provided with a test shaft, and the elastic element is a spring arranged in a spring bin; the first end opening of the spring bin allows the spring to be in contact with the pressure sensor, and the second end opening of the spring bin allows the test shaft seat end of the test shaft to be in contact with the spring in the spring bin; the other end of the test shaft is inserted into the bearing seat of a vehicle ball bearing mounting mechanism and is in contact with the bearing inner ring of the vehicle ball bearing; a deflection oscillation mechanism for controlling the deflection frequency of the oscillation spindle; one end of the oscillation spindle is in radial contact with the bearing outer ring of the vehicle ball bearing through a second connecting shaft deep into the bearing seat, and the inner side of the bearing seat is in contact with the bearing outer ring of the vehicle ball bearing; the angle of the vehicle ball bearing is controlled by an angle encoder with a first connecting shaft arranged symmetrically with the oscillation spindle; the output motor of the deflection oscillation mechanism is connected to the other end of the oscillation spindle through a crank rocker mechanism, and the deflection frequency of the oscillation spindle is controlled through the crank rocker mechanism; the loading mechanism and the deflection oscillation mechanism are arranged on the same base plate.

2. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The test shaft has a stepped structure.

3. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The bearing seat is fixed by a bearing seat fixing frame.

4. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The first connecting shaft is fixed by a first support; The second connecting shaft is fixed by a second support.

5. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The output motor is fixed by an output motor support.

6. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The crank rocker mechanism comprises a first hinge connected to the output shaft of the output motor through a swing head mounting plate; The first hinge is connected to a second hinge through a first connecting rod; The second hinge connects the other end of the oscillation spindle through a rocker and is locked by a locking nut.

7. The device for durability test of runout of a spherical bearing for vehicle as set forth in claim 1, wherein The oscillation spindle is fixed by an oscillation spindle support.

Images