CN210571275U

CN210571275U - Radial impact clamp for automobile hub bearing unit

Info

Publication number: CN210571275U
Application number: CN201921412765.0U
Authority: CN
Inventors: 付华
Original assignee: Hubei New Torch Technology Co ltd
Current assignee: Hubei New Torch Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-19
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a radial impact fixture of automobile wheel hub bearing unit, impact fixture includes the bottom plate that is used for fixing on the impact test platform, perpendicular the bottom plate is equipped with first riser, second riser side by side, one side of first riser is equipped with rotating assembly one, rotating assembly two that rotate and connect with two of them knuckle supporting angles of automobile wheel hub bearing unit, one side of second riser is equipped with the rotating assembly three that rotates and connect with the third knuckle supporting angle of automobile wheel hub bearing unit; and an impact block for impacting the automobile hub unit is arranged between the first vertical plate and the second vertical plate, and the impact block is fixed on a mandrel of the automobile hub bearing unit through a nut. The utility model provides a pair of automobile wheel hub bearing unit radial impact anchor clamps can simulate the car at the in-process of traveling, and wheel hub bearing unit receives the condition of radial impact, has solved the problem that current impact testing machine anchor clamps can't carry out radial impact.

Description

Radial impact clamp for automobile hub bearing unit

Technical Field

The utility model relates to a radial impact anchor clamps especially relate to an automobile wheel hub bearing unit radial impact anchor clamps.

Background

The automobile hub bearing is an important component of an automobile, the performance and the quality of the hub bearing play a key role in the performance and the driving safety of the automobile, however, the strength of the hub bearing is one of main reasons for influencing the service life and the quality of the hub bearing, and therefore, the improvement of the strength of the hub bearing has important significance. At present, before the automobile hub bearing is put into use, a simulation impact test needs to be carried out to investigate the impact resistance of a hub bearing unit, however, a general conventional impact test machine can only carry out an axial impact test, and a clamp cannot simulate and investigate the capability of the hub bearing unit for bearing radial impact in the driving process of an automobile.

Chinese patent grant publication no: CN 202501971U, the grant announcement day is 2012 years 10 months 24 days, and this utility model discloses a tire impact tester is disclosed, including frame, elevating system, loading mechanism to and load mechanism (including anchor clamps and wait to detect the tire), this testing machine degree of automation is high, detect accurate

And need not frequently change the load, but the weak point of above-mentioned patent lies in, the piece receives axial impact load can only be detected in the simulation to the loaded mechanism (anchor clamps and wait to detect of this testing machine), can't simulate to detect and receive radial impact load, consequently, in order to simulate the automobile wheel hub bearing of expecting, bears the ability of radial impact to improve the intensity of wheel hub bearing, need for an automobile wheel hub bearing unit radial impact anchor clamps urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned not enough of prior art, the utility model provides an automobile wheel hub bearing unit radially strikes anchor clamps solves and has now unable simulation to detect the problem that the piece received radial impact load.

The utility model discloses a realize through following technical scheme:

a radial impact clamp for an automobile hub bearing unit comprises a bottom plate fixed on an impact test bed, wherein a first vertical plate and a second vertical plate are arranged in parallel and perpendicular to the bottom plate, one side of the first vertical plate is provided with a first rotating assembly and a second rotating assembly which are rotatably connected with two steering knuckle supporting angles of the automobile hub bearing unit, and one side of the second vertical plate is provided with a third rotating assembly which is rotatably connected with a third steering knuckle supporting angle of the automobile hub bearing unit; and an impact block for impacting the automobile hub unit is arranged between the first vertical plate and the second vertical plate, and the impact block is fixed on a mandrel of the automobile hub bearing unit through a nut.

Furthermore, the rotating assembly I which is rotatably connected with the first steering knuckle supporting angle comprises a swinging base, one end of the swinging base is connected with a first supporting block and a second supporting block through double-threaded pins, the first supporting block and the second supporting block are fixed on a first vertical plate, and the other end of the swinging base is provided with a third joint bearing.

Furthermore, the rotating assembly II is rotatably connected with the second steering knuckle supporting angle and comprises a second rotating shaft, a second joint bearing and a first joint bearing are arranged at two ends of the second rotating shaft respectively, and the second joint bearing is fixed on the first vertical plate through a steering pull arm base.

Furthermore, the third rotating assembly comprises a first rotating shaft, a fourth joint bearing is arranged at one end of the first rotating shaft, the fourth joint bearing is fixedly connected with the supporting seat through a screw rod, the supporting seat is fixed on the second vertical plate, the other end of the first rotating shaft is connected with the first connecting plate and the second connecting plate through a supporting plate, and the first connecting plate and the second connecting plate are arranged in parallel relatively.

Furthermore, a first angle support and a second angle support are fixed on one side, far away from the first rotating assembly, of the first vertical plate, and the bottoms of the first angle support and the second angle support are fixed on the bottom plate through bolts.

Furthermore, a large support is fixed on one side, far away from the third rotating assembly, of the second vertical plate, and the bottom of the large support is fixed on the bottom plate through a bolt.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a pair of automobile wheel hub bearing unit radial impact anchor clamps can simulate the car at the in-process of traveling, and wheel hub bearing unit receives the condition of radial impact, has solved the problem that current impact testing machine anchor clamps can't carry out radial impact, and this kind of radial impact anchor clamps can furthest simulate the true condition that the wheel hub bearing bore radial impact under the loading environment, provide experimental condition and test method for the intensity performance who improves the wheel hub bearing.

Drawings

Fig. 1 is a schematic perspective view of a radial impact fixture for an automobile hub bearing unit according to an embodiment of the present invention;

fig. 2 is a side view of the radial impact clamp for the automobile hub bearing unit according to the embodiment of the present invention.

In the figure:

1. a base plate; 2. a large support; 3. a first corner support; 4. a second corner support; 5. a first vertical plate; 6. a second vertical plate; 7. a first support block; 8. a second support block; 9. a supporting seat; 10. a swing base; 11. a first rotating shaft; 12. a steering drag arm base; 13. a support plate; 14. a first connecting plate; 15. a second connecting plate; 16. a double-ended threaded pin; 17. an impact block; 18. a screw; 19. a first taper pin shaft; 20. a second taper pin shaft; 21. a first joint bearing; 22. a second joint bearing; 23. a third spherical plain bearing; 24. an automobile hub bearing unit; 25. a second rotating shaft; 26. a first knuckle leg angle; 27. a second knuckle journal angle; 28. a third knuckle leg angle; 29. a mandrel; 30. and a fourth spherical plain bearing.

Detailed Description

The following examples are presented to illustrate certain embodiments of the invention and should not be construed as limiting the scope of the invention. The present disclosure may be modified from materials, methods, and reaction conditions at the same time, and all such modifications are intended to be within the spirit and scope of the present disclosure.

As shown in fig. 1-2, a radial impact fixture for an automobile hub bearing unit includes a bottom plate 1 fixed on an impact test bed, a first vertical plate 5 and a second vertical plate 6 are arranged side by side perpendicular to the bottom plate 1, a first rotating assembly and a second rotating assembly which are rotatably connected with two knuckle support angles of an automobile hub bearing unit 24 are arranged on one side of the first vertical plate 5, and a third rotating assembly which is rotatably connected with a third knuckle support angle 28 of the automobile hub bearing unit 24 is arranged on one side of the second vertical plate 6; an impact block 17 for impacting the automobile hub unit is arranged between the first vertical plate 5 and the second vertical plate 6, and the impact block 17 is fixed on a mandrel 29 of the automobile hub bearing unit 24 through a nut.

In this embodiment, the rotating assembly rotatably connected to the first knuckle support angle 26 includes a swing base 10, one end of the swing base 10 is connected to the first support block 7 and the second support block 8 through the double-threaded pin 16, the first support block 7 and the second support block 8 are fixed on the first vertical plate 5, and the other end of the swing base 10 is provided with a third knuckle bearing 23.

In this embodiment, the second rotating assembly rotatably connected to the second knuckle pivot 27 includes a second rotating shaft 25, two ends of the second rotating shaft 25 are respectively provided with a second knuckle bearing 22 and a first knuckle bearing 21, and the second knuckle bearing 22 is fixed on the first vertical plate 5 through the steering arm base 12.

In this embodiment, the third rotating assembly includes a first rotating shaft 11, one end of the first rotating shaft 11 is provided with a fourth joint bearing 30, the fourth joint bearing 30 is fixedly connected with the supporting seat 9 through a screw 18, the supporting seat 9 is fixed on the second vertical plate 6, the other end of the first rotating shaft 11 is connected with a first connecting plate 14 and a second connecting plate 15 through a supporting plate 13, and the first connecting plate 14 and the second connecting plate 15 are arranged in parallel relatively.

In this embodiment, a first angle support 3 and a second angle support 4 are fixed on one side of the first vertical plate 5 away from the first rotating assembly, and bottoms of the first angle support 3 and the second angle support 4 are fixed on the bottom plate 1 through bolts.

In this embodiment, the second vertical plate 6 is fixed with a large bracket 2 on a side far away from the third rotating assembly, and the bottom of the large bracket 2 is fixed on the bottom plate 1 through a bolt.

The method for radial impact by adopting the radial impact clamp for the automobile hub bearing unit specifically comprises the following steps:

s1: horizontally placing the bottom plate 1 on an impact test bed, and fixing the bottom plate by using bolts;

s2: taking an automobile hub bearing unit 24 to be detected, fixedly connecting a third knuckle bearing 23 of the automobile hub bearing unit 24 with a first knuckle support angle 26 by using a first taper pin shaft 19, fixedly connecting a first knuckle bearing 21 with a second knuckle support angle 27 by using a second taper pin shaft 20, placing a third knuckle support angle 28 of the automobile hub bearing unit 24 between a first connecting plate 14 and a second connecting plate 15, fixedly connecting by using bolts, and fixing an impact block 17 on a mandrel 29 by using nuts;

s3: the falling height is set through the impact testing machine, the weight of the heavy hammer is selected, the test button is clicked, the heavy hammer falls onto the impact block 17, the radial impact test is completed, and after the test is completed, the heavy hammer automatically returns to the fixed position.

The wheel offset e is obtained by consulting the vehicle information, and the size of the impact block is designed according to the consulted wheel offset e of the vehicle, so that the radial impact stress point is ensured to be at the wheel offset (simulating the radial stress point of the real vehicle).

In conclusion, the automobile hub bearing unit radial impact clamp can simulate the real state that a hub bearing bears radial impact in a loading environment, and provides test conditions and a test method for improving the strength performance of the hub bearing.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The radial impact clamp for the automobile hub bearing unit is characterized by comprising a bottom plate (1) fixed on an impact test bed, wherein a first vertical plate (5) and a second vertical plate (6) are arranged in parallel and perpendicular to the bottom plate (1), one side of the first vertical plate (5) is provided with a first rotating assembly and a second rotating assembly which are rotatably connected with two steering knuckle supporting angles of an automobile hub bearing unit (24), and one side of the second vertical plate (6) is provided with a third rotating assembly which is rotatably connected with a third steering knuckle supporting angle (28) of the automobile hub bearing unit (24); the automobile hub impact device is characterized in that an impact block (17) used for impacting an automobile hub unit is arranged between the first vertical plate (5) and the second vertical plate (6), and the impact block (17) is fixed on a mandrel (29) of an automobile hub bearing unit (24) through a nut.

2. The automobile hub bearing unit radial impact clamp according to claim 1, wherein the first rotating assembly rotatably connected with the first knuckle support angle (26) comprises a swinging base (10), one end of the swinging base (10) is connected with a first support block (7) and a second support block (8) through a double-threaded pin (16), the first support block (7) and the second support block (8) are fixed on the first vertical plate (5), and the other end of the swinging base (10) is provided with a third knuckle bearing (23).

3. The automobile hub bearing unit radial impact clamp according to claim 1, wherein the second rotating assembly rotatably connected with the second knuckle support angle (27) comprises a second rotating shaft (25), a second knuckle bearing (22) and a first knuckle bearing (21) are respectively arranged at two ends of the second rotating shaft (25), and the second knuckle bearing (22) is fixed on the first vertical plate (5) through a steering pull arm base (12).

4. The automobile hub bearing unit radial impact clamp according to claim 1, wherein the third rotating assembly comprises a first rotating shaft (11), a fourth knuckle bearing (30) is arranged at one end of the first rotating shaft (11), the fourth knuckle bearing (30) is fixedly connected with a supporting seat (9) through a screw (18), the supporting seat (9) is fixed on a second vertical plate (6), the other end of the first rotating shaft (11) is connected with a first connecting plate (14) and a second connecting plate (15) through a supporting plate (13), and the first connecting plate (14) and the second connecting plate (15) are arranged in parallel relatively.

5. The automobile hub bearing unit radial impact clamp according to any one of claims 1 to 4, wherein a first angle support (3) and a second angle support (4) are fixed on one side of the first vertical plate (5) far away from the first rotating assembly, and bottoms of the first angle support (3) and the second angle support (4) are fixed on the bottom plate (1) through bolts.

6. The automobile hub bearing unit radial impact clamp according to any one of claims 1 to 4, wherein a large bracket (2) is fixed to one side of the second vertical plate (6) far away from the third rotating assembly, and the bottom of the large bracket (2) is fixed to the bottom plate (1) through a bolt.