A bearing runout gauge

Abstract

The utility model discloses a bearing runout testing fixture, include: base, be provided with the locating mandrel mounting seat on the base, be provided with the locating mandrel in the installation recess of locating mandrel mounting seat, be provided with the bearing to be detected on the upper end portion installation surface of locating mandrel, the bearing inner ring of bearing to be detected is installed at the upper end portion installation surface of locating mandrel, be provided with the first detection mechanism on the base, and the first detection mechanism includes the first lever table clamping tool of height adjustable, and the first lever table clamping tool clamps the first lever table, and the first table head end portion of first lever table is contacted with the bearing end surface of bearing to be detected to detect runout value, be provided with the second detection mechanism on the base, and the second detection mechanism includes the second lever table clamping tool of height adjustable, and the second lever table clamping tool clamps the second lever table, and the second table head end portion of second lever table is contacted with the radial circumferential surface of the bearing outer circumference of bearing to be detected to detect runout value.

Description

Technical Field

[0001] This utility model relates to the technical field of bearing testing equipment, and specifically to a bearing runout inspection tool. Background Technology

[0002] As a core component of mechanical transmission systems, bearings' runout (radial runout and axial runout) directly affects the transmission accuracy, operational stability, and service life of the equipment, making it a key indicator for bearing quality inspection. Existing bearing runout testing equipment mainly suffers from the following problems: 1. Professional precision testing equipment: It has high testing accuracy, but it has a complex structure, high manufacturing cost, high operating threshold, and large size, making it difficult to meet the needs of rapid on-site testing and cost control of small and medium-sized enterprises. 2. Simple testing fixture: It is low in cost and easy to operate, but the positioning accuracy is slightly worse, the testing efficiency is low, and it is highly dependent on the operator's experience. It is prone to testing errors due to bearing positioning misalignment and probe contact angle deviation, and cannot meet the accuracy requirements of conventional quality testing.

[0003] Therefore, there is an urgent need to develop a bearing runout gauge that is simple in structure, low in manufacturing cost, easy to operate, highly versatile, and meets the required testing accuracy. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of this utility model is to provide a bearing runout inspection tool.

[0005] This utility model is a simple bearing runout gauge with a simple structure, convenient operation, low cost and reliable detection accuracy. It only requires changing the mandrel tooling to meet the corresponding specifications to achieve the purpose of quick changeover in on-site testing. It has low manufacturing cost and meets the requirements of detection accuracy.

[0006] Suitable for small and medium-sized machinery manufacturing enterprises, bearing assembly sites and quality inspection stations, it can quickly detect the radial runout and end face runout of common bearings and assemblies such as deep groove ball bearings and cylindrical roller bearings.

[0007] To achieve the purpose of this utility model, the technical solution adopted is as follows: A bearing runout gauge, comprising: A base, wherein a positioning mandrel mounting seat is provided on the base; A positioning mandrel is installed in the mounting groove of the positioning mandrel mounting base; A bearing to be tested is provided on the upper end mounting surface of the positioning mandrel, and the inner ring of the bearing to be tested is mounted on the upper end mounting surface of the positioning mandrel. A first detection mechanism is provided on the base. The first detection mechanism includes a height-adjustable first lever gauge clamping fixture. The first lever gauge is clamped by the first lever gauge clamping fixture. The first head end of the first lever gauge contacts the bearing end face of the bearing to be tested to detect the runout value of the bearing end face of the bearing to be tested. The runout value is displayed on the dial of the first lever gauge. A second detection mechanism is provided on the base. The second detection mechanism includes a height-adjustable second lever gauge clamping fixture. The second lever gauge is clamped by the second lever gauge clamping fixture. The second head end of the second lever gauge contacts the radial circumferential surface of the bearing to be tested to detect the runout value of the radial circumferential surface of the bearing to be tested. The runout value is displayed on the dial of the second lever gauge.

[0008] In a preferred embodiment of this utility model, the height of the upper end mounting surface of the positioning mandrel is higher than the height of the upper surface of the positioning mandrel mounting base.

[0009] In a preferred embodiment of this utility model, a telescopic clamping and limiting block is provided in the mounting groove of the positioning mandrel mounting seat to limit the positioning and installation of the positioning mandrel.

[0010] In a preferred embodiment of the present invention, the first lever gauge clamping fixture includes a first column fixed to the base, a first connecting block is provided on the first column, and one end of the first connecting block is clamped on the first column by a first clamping groove in conjunction with a fastener. The other end of the first connecting block clamps the stem of the first lever gauge through a second clamping groove and fastener.

[0011] In a preferred embodiment of this utility model, the clamping height of the first connecting block relative to the first column is adjustable.

[0012] In a preferred embodiment of this utility model, a telescopic clamping and limiting block is provided in the mounting groove of the positioning mandrel mounting seat to limit the positioning and installation of the positioning mandrel.

[0013] In a preferred embodiment of the present invention, the second lever gauge clamping fixture includes a second column fixed to the base, a second connecting block is provided on the second column, and one end of the second connecting block is clamped on the second column by a third clamping groove in conjunction with a fastener; The other end of the second connecting block clamps the stem of the second lever gauge through the fourth clamping groove and fastener.

[0014] In a preferred embodiment of this utility model, the clamping height of the second connecting block relative to the second column is adjustable.

[0015] In a preferred embodiment of this utility model, the lower end of the base is provided with a plurality of support feet.

[0016] In a preferred embodiment of the present invention, the first to fourth clamping grooves are all annular clamping grooves with openings.

[0017] The beneficial effects of this utility model are as follows: This utility model has a simple structure, is easy to operate, and has low cost. It also has reliable detection accuracy. It only requires changing the mandrel tooling to meet the corresponding specifications to achieve the purpose of quick changeover in on-site testing. It has low manufacturing cost and meets the requirements of detection accuracy. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, in the following descriptions, well-known structures and technologies have been omitted to avoid unnecessary confusion regarding the concept of this utility model.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] like Figure 1 The bearing runout gauge shown includes a base 100, and a plurality of support feet 101 are provided at the lower end of the base for supporting the base 100.

[0022] A positioning mandrel mounting seat 200 is provided on the base 100, and a positioning mandrel 300 is installed in the mounting groove of the positioning mandrel mounting seat 200.

[0023] The height of the upper end mounting surface of the positioning mandrel 300 is higher than the height of the upper surface of the positioning mandrel mounting base 200.

[0024] The mounting groove 201 of the positioning mandrel mounting base 200 is provided with a telescopic clamping limit block (not shown in the figure) to limit the positioning and installation of the positioning mandrel 300.

[0025] A bearing 400 to be tested is provided at the upper end mounting surface 301 of the positioning mandrel 300, and the inner ring 401 of the bearing 400 to be tested is mounted at the upper end mounting surface 301 of the positioning mandrel 300.

[0026] A first detection mechanism 500 is provided on the base 100. The first detection mechanism 500 includes a height-adjustable first lever gauge clamping fixture 510. The first lever gauge 520 is clamped by the first lever gauge clamping fixture 510. The end of the first gauge head 521 of the first lever gauge 520 contacts the bearing end face 402 of the bearing 400 to be tested to detect the runout value of the bearing end face 402 of the bearing 400 to be tested. The runout value is displayed on the dial 522 of the first lever gauge 520.

[0027] The first lever gauge clamping fixture 510 includes a first column 511 fixed to the base 100, and a first connecting block 512 is provided on the first column 511. One end of the first connecting block 512 is clamped to the first column 511 through a first clamping groove 512a and a fastener. The clamping height of the first connecting block 512 relative to the first column 511 is adjustable.

[0028] The other end of the first connecting block 512 clamps the lever portion 523 of the first lever gauge 520 through the second clamping groove 512b and fastener.

[0029] A second detection mechanism 600 is provided on the base 100. The second detection mechanism 600 includes a height-adjustable second lever gauge clamping fixture 610. The second lever gauge 620 is clamped by the second lever gauge clamping fixture 610. The end of the second gauge head 621 of the second lever gauge 620 contacts the radial circumferential surface 403 of the bearing 400 to be tested to detect the runout value of the radial circumferential surface 403 of the bearing 400 to be tested. The runout value is displayed on the dial 622 of the second lever gauge 620.

[0030] The second lever gauge clamping fixture 610 includes a second column 611 fixed to the base 100, and a second connecting block 612 is provided on the second column 611. One end of the second connecting block 612 is clamped on the second column 611 by a third clamping groove 612a in conjunction with a fastener.

[0031] The other end of the second connecting block 612 clamps the lever portion 623 of the second lever gauge 620 through the fourth clamping groove 612b and fastener.

[0032] The clamping height of the second connecting block 612 relative to the second column 611 is adjustable.

[0033] The first to fourth clamping grooves of this utility model are all annular clamping grooves with openings, which facilitates the adjustment of the clamping position.

[0034] The bearings to be tested 400 include, but are not limited to, commonly used bearings such as deep groove ball bearings and cylindrical roller bearings.

[0035] The above shows and describes the basic principles, main features, and advantages of this utility model.

[0036] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of this utility model as defined by the appended claims and their equivalents.

Claims

1. A bearing runout inspection tool, characterized in that, include: A base, wherein a positioning mandrel mounting seat is provided on the base; A positioning mandrel is installed in the mounting groove of the positioning mandrel mounting base; A bearing to be tested is provided on the upper end mounting surface of the positioning mandrel, and the inner ring of the bearing to be tested is mounted on the upper end mounting surface of the positioning mandrel. A first detection mechanism is provided on the base. The first detection mechanism includes a height-adjustable first lever gauge clamping fixture. The first lever gauge is clamped by the first lever gauge clamping fixture. The first head end of the first lever gauge contacts the bearing end face of the bearing to be tested to detect the runout value of the bearing end face of the bearing to be tested. The runout value is displayed on the dial of the first lever gauge. A second detection mechanism is provided on the base. The second detection mechanism includes a height-adjustable second lever gauge clamping fixture. The second lever gauge is clamped by the second lever gauge clamping fixture. The second head end of the second lever gauge contacts the radial circumferential surface of the bearing to be tested to detect the runout value of the radial circumferential surface of the bearing to be tested. The runout value is displayed on the dial of the second lever gauge.

2. The bearing runout gauge as described in claim 1, characterized in that, The height of the upper end mounting surface of the positioning mandrel is higher than the height of the upper surface of the positioning mandrel mounting base.

3. The bearing runout gauge as described in claim 1, characterized in that, A telescopic clamping limit block is provided in the mounting groove of the positioning mandrel mounting seat to limit the positioning and installation of the positioning mandrel.

4. The bearing runout gauge as described in claim 1, characterized in that, The first lever gauge clamping fixture includes a first column fixed to the base, a first connecting block provided on the first column, and one end of the first connecting block being clamped on the first column by a first clamping groove in conjunction with a fastener. The other end of the first connecting block clamps the stem of the first lever gauge through a second clamping groove and fastener.

5. A bearing runout inspection tool as described in claim 4, characterized in that, The clamping height of the first connecting block relative to the first column is adjustable.

6. A bearing runout gauge as described in claim 1, characterized in that, A telescopic clamping limit block is provided in the mounting groove of the positioning mandrel mounting seat to limit the positioning and installation of the positioning mandrel.

7. A bearing runout inspection tool as described in claim 1, characterized in that, The second lever gauge clamping fixture includes a second column fixed to the base, a second connecting block provided on the second column, and one end of the second connecting block being clamped on the second column by a third clamping groove in conjunction with a fastener; The other end of the second connecting block clamps the stem of the second lever gauge through the fourth clamping groove and fastener.

8. A bearing runout gauge as described in claim 7, characterized in that, The clamping height of the second connecting block relative to the second column is adjustable.

9. A bearing runout gauge as described in claim 1, characterized in that, The base is provided with several support feet at its lower end.

10. A bearing runout gauge as described in claim 1, characterized in that, The first to fourth clamping grooves are all annular clamping grooves with openings.

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