Second-generation hub unit end face run-out detector

Abstract

The utility model relates to a second-generation hub unit end face run-out detector, which belongs to the technical field of precision machining detection equipment and comprises a bottom plate, a second-generation hub unit is arranged on the bottom plate, a lower inner ring cushion block is arranged between the second-generation hub unit and the bottom plate, an air cylinder is arranged above the second-generation hub unit, and a lower inner ring cushion block is arranged above the air cylinder. The lower end of the cylinder is provided with an upper inner ring cushion block which is in movable compression joint with the second-generation hub unit, the upper end of the second-generation hub unit is provided with an end jump pressure plate, and the upper end of the end jump pressure plate is provided with a dial indicator for detecting the end face jump of the second-generation hub unit. The device has the characteristics of compact structure, convenience in operation and good use effect. The problem of end face run-out detection of the second-generation hub unit is solved. And end face run-out detection is carried out after the upper and lower inner ring cushion blocks carry out air pressure locking on the second-generation hub unit.

Description

Technical Field

[0001] This utility model relates to the technical field of precision machining and testing equipment, specifically to a second-generation wheel hub unit end face runout detector. Background Technology

[0002] The second-generation wheel hub bearing unit consists of an outer ring, inner ring, rolling elements, cage, seal ring assembly / magnetic seal assembly, bolts, and other parts. To improve our product quality and ensure 100% product performance, the second-generation wheel hub bearing unit must undergo full inspection for end face runout. The existing method for testing end face runout involves passing a mandrel through the middle of the two inner rings, locking the two inner rings with nuts, and finally placing an end face runout pressure plate on top for testing. This testing method has extremely low production efficiency. Summary of the Invention

[0003] This invention addresses the shortcomings of existing technologies by providing a second-generation wheel hub unit end face runout detector, characterized by its compact structure, ease of operation, and excellent performance. It solves the problem of detecting end face runout in second-generation wheel hub units.

[0004] The above-mentioned technical problems of this utility model are mainly solved by the following technical solutions:

[0005] A second-generation wheel hub unit end face runout detector includes a base plate, on which a second-generation wheel hub unit is mounted. A lower inner ring pad is provided between the second-generation wheel hub unit and the base plate. A cylinder is provided above the second-generation wheel hub unit. An upper inner ring pad that is movably pressed against the second-generation wheel hub unit is provided at the lower end of the cylinder. An end runout pressure plate is provided at the upper end of the second-generation wheel hub unit. A dial indicator for detecting the end face runout of the second-generation wheel hub unit is provided at the upper end of the end runout pressure plate.

[0006] Preferably, the second-generation wheel hub unit has a column on its side, and the column is equipped with a testing arm for mounting a dial indicator, which is adjusted and connected up and down along the column.

[0007] Preferably, the lower part of the cylinder is provided with a top plate that is bolted to and fixed to the cylinder, and a number of support plates are provided between the side of the top plate and the bottom plate. The two ends of the support plates are bolted to and fixed to the top plate and the bottom plate respectively.

[0008] Preferably, the bottom of the base plate is provided with four corners of the lower end with a column leg screw that is threadedly connected to the base plate.

[0009] Preferably, the lower end of each of the column leg screws is provided with an adjusting bolt that is threadedly connected to the column leg screw, and the flatness of the base plate is adjusted by adjusting the adjusting bolt.

[0010] This invention can achieve the following effects:

[0011] This invention provides a second-generation wheel hub unit end face runout detector, which, compared with existing technologies, features a compact structure, convenient operation, and good performance. It solves the problem of end face runout detection for second-generation wheel hub units. The end face runout detection is performed after the upper and lower inner ring pads are pneumatically locked to the second-generation wheel hub unit. Attached Figure Description

[0012] Figure 1 This is a front view of the structural cross-section of this utility model.

[0013] Figure 2 This is a side view of the structural cross-section of this utility model.

[0014] In the diagram: Top plate 1, Cylinder 2, Upper inner ring pad 3, Dial indicator 4, Column 5, Detection arm 6, Base plate 7, Column leg screw 8, Adjusting bolt 9, Second generation wheel hub unit 10, Lower inner ring pad 11, End jump pressure plate 12, Support plate 13. Detailed Implementation

[0015] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0016] Example: Figure 1 and Figure 2 As shown, a second-generation wheel hub unit end face runout detector includes a base plate 7. Each of the four corners of the lower end of the base plate 7 is provided with a threaded column leg screw 8. Each column leg screw 8 has an adjusting bolt 9 threadedly connected to its lower end, allowing adjustment of the flatness of the base plate 7. A second-generation wheel hub unit 10 is mounted on the base plate 7. A lower inner ring pad 11 is provided between the second-generation wheel hub unit 10 and the base plate 7. A cylinder 2 is located above the second-generation wheel hub unit 10. A top plate 1 is bolted to and fixed to the lower part of the cylinder 2. Two support plates 13 are provided between the side of the top plate 1 and the base plate 7, with both ends of the support plates 13 bolted to the top plate 1 and the base plate 7 respectively. The lower end of the cylinder 2 is provided with an upper inner ring pad 3 that is movably pressed into the second-generation wheel hub unit 10. The upper end of the second-generation wheel hub unit 10 is provided with an end jump pressure plate 12. The upper end of the end jump pressure plate 12 is provided with a dial indicator 4 for detecting the end face runout of the second-generation wheel hub unit 10. The side of the second-generation wheel hub unit 10 is provided with a column 5. The column 5 is provided with a testing arm 6 for mounting the dial indicator 4. The testing arm 6 is adjusted and connected up and down along the column 5.

[0017] In summary, this second-generation wheel hub unit end face runout detector features a compact structure, convenient operation, and good performance. It solves the problem of end face runout detection for second-generation wheel hub units. It enables end face runout detection after the upper and lower inner ring pads are pneumatically locked to the second-generation wheel hub unit.

[0018] It will be apparent to those skilled in the art that this invention is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the essential characteristics of the invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0019] In summary, the above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A second-generation wheel hub unit end face runout detector, characterized in that: Includes a base plate (7), on which a second-generation wheel hub unit (10) is provided, and between the second-generation wheel hub unit (10) and the base plate (7) is a lower inner ring pad (11), and above the second-generation wheel hub unit (10) is a cylinder (2), and at the lower end of the cylinder (2) is an upper inner ring pad (3) that is movably pressed against the second-generation wheel hub unit (10), and at the upper end of the second-generation wheel hub unit (10) is an end jump pressure plate (12), and at the upper end of the end jump pressure plate (12) is a dial indicator (4) for detecting the end face runout of the second-generation wheel hub unit (10).

2. The second-generation wheel hub unit end face runout detector according to claim 1, characterized in that: The second-generation wheel hub unit (10) is provided with a column (5) on its side. The column (5) is provided with a testing arm (6) for mounting a dial indicator (4). The testing arm (6) is adjusted and connected up and down along the column (5).

3. The second-generation wheel hub unit end face runout detector according to claim 1, characterized in that: The cylinder (2) is provided with a top plate (1) at the bottom and bolted to the cylinder (2). Several support plates (13) are provided between the side of the top plate (1) and the bottom plate (7). The two ends of the support plates (13) are bolted to the top plate (1) and the bottom plate (7) respectively.

4. The second-generation wheel hub unit end face runout detector according to claim 1, characterized in that: The bottom plate (7) is provided with four corners at the bottom end, and the column leg screws (8) are threadedly connected to the bottom plate (7).

5. The second-generation wheel hub unit end face runout detector according to claim 4, characterized in that: The lower end of each of the column leg screws (8) is provided with an adjusting bolt (9) that is threadedly connected to the column leg screw (8), and the flatness of the base plate (7) is adjusted by adjusting the adjusting bolt (9).

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