CN212931846U - Guide bearing impact testing device - Google Patents
Guide bearing impact testing device Download PDFInfo
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- CN212931846U CN212931846U CN202021334380.XU CN202021334380U CN212931846U CN 212931846 U CN212931846 U CN 212931846U CN 202021334380 U CN202021334380 U CN 202021334380U CN 212931846 U CN212931846 U CN 212931846U
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- loading
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Abstract
The utility model discloses a direction bearing impact testing device, comprises a workbench, be provided with loading seat, rotary unit and impact unit on the workstation, be provided with on the loading seat with the bearing inner race complex that awaits measuring with the piece that adds, loading piece axial is spacing on the loading seat, rotary unit's pivot passes through coupling assembling fixed connection with the annular lug of the bearing that awaits measuring, the position that the impact unit corresponds the piece that adds is provided with one and can supports and press the axle on the loading piece lateral wall and follow the support of loading piece radial pressure application, it is connected with pressure sensor to support between the output shaft of axle and impact unit. The utility model provides a can simulate operating condition and carry out direction bearing impact testing device of impact test to door direction bearing.
Description
Technical Field
The utility model belongs to the technical field of bearing test frock, especially, direction bearing impact testing device.
Background
With the continuous and intensive research on bearings and the wide application of bearings in various workplaces, the ability of bearings to bear impact loads has attracted considerable attention from various bearing production units and related users as one of the important properties of bearings. At present, when a vehicle door is opened and closed, a guide bearing of the vehicle door needs to bear larger impact load, as shown in fig. 1, the vehicle door guide bearing comprises a ball bearing and a mandrel, one end of the mandrel is riveted on an inner ring of the ball bearing, and an annular bump is integrally formed on a side wall close to the other end of the mandrel. In the prior art, in order to meet the requirement of impact load when the guide bearing is delivered from a factory, the bearing needs to be subjected to an impact test before being delivered from the factory. The conventional impact test is carried out in a bearing static state, but because the vehicle door guide bearing bears larger impact load when a vehicle door is opened and closed, the actual working condition of the bearing cannot be well simulated in the static state, and larger errors exist, so that the design of the impact test device capable of simulating the actual working state of the vehicle door guide bearing is necessary.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a can simulate operating condition and carry out the direction bearing impact testing device that impact test carried out to door direction bearing.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a direction bearing impact testing device, includes the workstation, be provided with loading seat, rotary unit and impact unit on the workstation, be provided with on the loading seat with the bearing outer lane complex loading piece that awaits measuring, loading piece axial is spacing on the loading seat, rotary unit's pivot passes through coupling assembling fixed connection with the annular lug of the bearing that awaits measuring, the position that the impact unit corresponds the loading piece is provided with one and can supports and press on the loading piece lateral wall and along the support pressure axle that loading piece radially exerted pressure, it is connected with pressure sensor to support between the output shaft of pressure axle and impact unit.
By adopting the scheme, firstly, the bearing to be tested can be fixed through the loading seat, the loading part on the loading seat can be matched with the outer ring of the bearing to be tested to simulate the actual loading working condition of the bearing to be tested, then the rotating shaft of the rotating unit is fixedly connected with the annular convex block of the bearing to be tested, the rotating unit preferably adopts a servo motor, and has the advantages of stable and reliable rotating speed, at the moment, the bearing to be tested can rotate along with the rotation of the rotating shaft, the rotating unit provides rotating torque for the bearing to be tested and simulates the actual working condition of the bearing to be tested when rotating, the working condition of the bearing to be tested under the normal working state can be completely simulated through the arrangement, on the basis, an impact unit is arranged at the position of the loading part, the impact unit preferably adopts a hydraulic oil cylinder, and exerts radial pressure on the loading part through the pressing shaft of the impact unit (, the load at the time of performing the impact test can be obtained by a pressure sensor. In summary, the rotation speed of the rotating unit and the corresponding impact times are set through the scheme, and the magnitude of the applied impact load is adjusted to test whether the bearing can reach the specified service life under the impact working condition. Compared with the traditional test means, the method has higher design reference value.
As a further setting of the utility model, coupling assembling includes shaft coupling and transmission shaft, the one end of shaft coupling with the pivot fixed connection of rotary unit, the other end of shaft coupling and the one end fixed connection of transmission shaft, the other end setting of transmission shaft is used for annular lug to inlay the recess of dress, the notch department of recess can be dismantled and be fixed with and be used for supporting the first clamp plate that presses on annular lug so that annular lug and transmission shaft fixed connection, first clamp plate is half components of a whole that can function independently setting.
Adopt above-mentioned scheme, can conveniently carry out the transmission with pivot and transmission shaft through the shaft coupling and be connected for the transmission shaft can rotate along with the pivot rotation, and the annular lug of the bearing that awaits measuring can be firmly inlayed in the recess of transmission shaft under the support of first clamp plate and is pressed, and under the effort of support pressing, annular lug can rotate along with the rotation of transmission shaft, thereby realizes the actual operating mode when the simulation bearing that awaits measuring is rotatory, simple structure, simple to operate. In addition, because its bearing external diameter of actual bearing that awaits measuring is greater than annular lug external diameter, consequently in order to press annular lug in the recess, first clamp plate needs carry out the components of a whole that can function independently setting.
As the utility model discloses a further setting, the position that loads the seat and correspond the transmission shaft is provided with one and accompanies the examination bearing, accompany the outer lane of examination bearing and fix on the loading seat, accompany the inner circle cover of examination bearing and establish on the transmission shaft and be connected with the transmission shaft transmission.
Adopt above-mentioned scheme, set up one through the position at the transmission shaft and accompany the examination bearing, under the transmission shaft with accompany the examination bearing and exist, can make the effect of rotational torque power do not act on transmission shaft and accompany the examination bearing, prevent that rotational torque from acting on the shaft coupling, can play the purpose of protection shaft coupling, and the rotational speed is stable, reduces the fault rate.
As the utility model discloses a further setting, the transmission shaft lateral wall corresponds the axial one end of accompanying the examination bearing and is provided with spacing step, the transmission shaft corresponds the axial other end of accompanying the examination bearing and is provided with the second clamp plate, thereby the second clamp plate can be dismantled to fix on the transmission shaft and will accompany the inner circle of examination bearing spacing to support to press and constitute on spacing step the transmission is connected.
By adopting the scheme, the inner ring of the test-accompanying bearing is limited and supported on the limiting step through the second pressing plate, so that the inner ring of the test-accompanying bearing is in transmission connection with the transmission shaft, the structure is simple, and the installation is convenient.
As a further setting of the utility model, the diapire of recess is formed with the through-hole that the annular lug of being convenient for was dismantled to transmission shaft and coupling joint's one end extension along the axial.
Adopt above-mentioned scheme, set up a through-hole at the diapire of recess, can stretch into the recess through the through-hole inside to release annular lug from the recess, be convenient for dismantle the bearing that awaits measuring.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic exterior view of a guide bearing for a vehicle according to the prior art;
FIG. 2 is a schematic exterior view of an embodiment of the present invention, FIG. 1;
FIG. 3 is a schematic exterior view of an embodiment of the present invention, FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic view of the loading seat according to the embodiment of the present invention;
FIG. 7 is an exploded view of the loading seat according to the embodiment of the present invention;
fig. 8 is an external view of the loading member according to the embodiment of the present invention.
Detailed Description
The utility model discloses a concrete embodiment is shown in fig. 1-8, a direction bearing impact testing device, comprises a workbench 1, be provided with load seat 2, rotary unit 3 and impact unit 4 on the workstation 1, wherein rotary unit 3 preferably adopts servo motor, impact unit 4 preferably adopts hydraulic cylinder, be provided with on the load seat 2 with the bearing 5 outer lane complex loader 6 that awaits measuring, be provided with a cylinder type that is used for placing the bearing 5 that awaits measuring on the load seat 2 and lead to the groove 21, the internal fixation of the groove 21 is provided with first installation piece 22 to the cylinder type, is formed with an annular 221 in the first installation piece 22, on the annular 221 of this first installation piece 22 of loader 6 axial spacing, rotary unit 3's pivot 31 and the annular lug 51 of the bearing 5 that awaits measuring pass through coupling assembling 7 fixed connection, impact unit 4 is provided with one to the position that corresponds loader 6 and can support and press on loader 6 lateral walls and along the radial support that exerts pressure of loader 6 The pressing shaft 41 is provided with a hole 222 through which the pressing shaft 41 is inserted in the first mounting block 22, and the pressure sensor 43 is connected between the pressing shaft 41 and the output shaft 42 of the impact unit 4.
Coupling assembling 7 includes shaft coupling 71 and transmission shaft 72, the one end of shaft coupling 71 with rotary unit 3's pivot 31 fixed connection, the other end of shaft coupling 71 and the one end fixed connection of transmission shaft 72, the other end setting of transmission shaft 72 is used for annular lug 51 to inlay the recess 721 of dress, the size and the annular lug 51 of this recess 721 and with the dabber 52 adaptation of annular lug 51 front end, the notch department of recess 721 can be dismantled and be fixed with and be used for pressing on annular lug 51 so that annular lug 51 and transmission shaft 72 fixed connection's first clamp plate 722, first clamp plate 722 is half-and-half components of a whole that can function independently setting. The first pressing plate 722 is detachably fixed to the end surface of the other end of the transmission shaft 72 by bolts.
The position that the loading seat 2 corresponds transmission shaft 72 is provided with one and accompanies examination bearing 8, and it is provided with second installation piece 23 to lead to the inslot of 21 at the cylinder type, be formed with one in the second installation piece 23 and be used for accompanying the fixed annular 231 in examination bearing 8 outer lane, accompany the outer lane of examination bearing 8 and fix through second installation piece 23 on the loading seat 2, accompany the inner circle cover of examination bearing 8 and establish on the transmission shaft 72 lateral wall and be connected with transmission shaft 72 transmission.
The side wall of the transmission shaft 72 is provided with a limiting step 723 corresponding to one axial end of the test-accompanying bearing 8, the other axial end of the transmission shaft 72 corresponding to the test-accompanying bearing 8 is provided with a second pressing plate 724, and the second pressing plate 724 is detachably fixed on the transmission shaft 72 and is used for limiting and pressing an inner ring of the test-accompanying bearing 8 on the limiting step 723 to form the transmission connection. The second pressing plate 724 is detachably fixed to the end surface of the transmission shaft 72 facing the coupling 71 by bolts.
The bottom wall of the groove 721 extends axially towards the end of the transmission shaft 72 connected to the coupling 71 to form a through hole 725 for facilitating the removal of the annular projection 51.
The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a direction bearing impact testing device, includes the workstation, its characterized in that: be provided with loading seat, rotary unit and impact unit on the workstation, be provided with on the loading seat with the bearing outer lane complex loading piece that awaits measuring, loading piece axial is spacing be in on the loading seat, rotary unit's pivot passes through coupling assembling fixed connection with the annular lug of the bearing that awaits measuring, the position that the impact unit corresponds the loading piece is provided with one and can supports and press on the loading piece lateral wall and along the support pressure axle that loading piece radially exerted pressure, support and be connected with pressure sensor between the output shaft of pressure axle and impact unit.
2. The guide bearing impact testing device of claim 1, wherein: coupling assembling includes shaft coupling and transmission shaft, the one end of shaft coupling with the pivot fixed connection of rotary unit, the other end of shaft coupling and the one end fixed connection of transmission shaft, the other end setting of transmission shaft is used for the annular lug to inlay the recess of dress, the notch department of recess can be dismantled and be fixed with and be used for supporting the first clamp plate that presses on annular lug so that annular lug and transmission shaft fixed connection, first clamp plate is half components of a whole that can function independently setting.
3. The guide bearing impact testing device of claim 2, wherein: the position that the loading seat corresponds the transmission shaft is provided with one and accompanies the examination bearing, accompany the outer lane of examination bearing to fix on the loading seat, accompany the inner circle cover of examination bearing and establish on the transmission shaft and be connected with the transmission shaft transmission.
4. The guide bearing impact testing device of claim 3, wherein: the transmission shaft side wall is provided with a limiting step corresponding to the axial end of the test-accompanying bearing, the transmission shaft is provided with a second pressing plate corresponding to the axial other end of the test-accompanying bearing, and the second pressing plate is detachably fixed on the transmission shaft and presses the inner ring of the test-accompanying bearing to the limiting step in a limiting mode to form the transmission connection.
5. The guide bearing impact test apparatus of claim 2, 3 or 4, wherein: the bottom wall of the groove extends towards one end, connected with the coupler, of the transmission shaft along the axial direction to form a through hole convenient for the annular bump to be detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021334380.XU CN212931846U (en) | 2020-07-08 | 2020-07-08 | Guide bearing impact testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021334380.XU CN212931846U (en) | 2020-07-08 | 2020-07-08 | Guide bearing impact testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212931846U true CN212931846U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021334380.XU Active CN212931846U (en) | 2020-07-08 | 2020-07-08 | Guide bearing impact testing device |
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| CN (1) | CN212931846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544166A (en) * | 2022-02-23 | 2022-05-27 | 重庆大学 | Electromechanical coupling simulation experiment table for simulating variable load and non-torsional load of wind power speed change |
-
2020
- 2020-07-08 CN CN202021334380.XU patent/CN212931846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544166A (en) * | 2022-02-23 | 2022-05-27 | 重庆大学 | Electromechanical coupling simulation experiment table for simulating variable load and non-torsional load of wind power speed change |
| CN114544166B (en) * | 2022-02-23 | 2023-05-23 | 重庆大学 | Electromechanical coupling simulation experiment table for simulating wind power variable speed load and non-torsion load |
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