Tapered roller bearing end face fall measuring tool

Abstract

The utility model relates to the technical field of bearing dimension measuring tools, in particular to a tapered roller bearing end face fall measuring tool, which is characterized in that a first measuring module comprises a third module body and a first measuring meter, the third module body is slidably sleeved on a pipe ruler body, and the first measuring meter is detachably fixed on the third module body; the second measurement module comprises a fourth module body which is slidably sleeved on the tube ruler body and a second measurement meter which is detachably fixed on the fourth module body. The heights of the standard height blocks correspond to various tapered roller bearing end face fall standard values; before measurement, the standard height block is used for adjusting the height difference between the end part of the first positioning column and the measuring end of the first measuring meter, and the standard height block is used for adjusting the height difference between the end part of the second positioning column and the measuring end of the second measuring meter. The device is used for measuring the axial clearance of the back-to-back paired tapered roller bearing, the measurement is convenient, and the measurement efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing size measuring tooling, in particular to a tapered roller bearing end face drop measuring tooling. Background Art

[0002] At present, back-to-back paired tapered roller bearings are usually composed of five components, namely the outer ring, inner ring, roller, cage and inner spacer. After pairing, this type of bearing needs to ensure a certain axial clearance, and the size of the axial clearance is guaranteed by the bearing end face drop size and the width size of the inner spacer. Nowadays, back-to-back paired tapered roller bearings need to be mass-produced and have a large output. In order to facilitate the subsequent assembly by customers, it is necessary to measure the end face drop size of the bearing in advance and provide it to customers as basic data.

[0003] However, the prior art lacks a tool specifically for measuring the axial clearance of back-to-back paired tapered roller bearings, resulting in low efficiency and low precision in dimensional measurement. Utility Model Content

[0004] In view of the defects of the prior art, the utility model provides a tapered roller bearing end face drop measurement tool, which is specially used for measuring the axial clearance of back-to-back paired tapered roller bearings. The measurement is relatively convenient, thereby improving the measurement efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is a tool for measuring the end face drop of a tapered roller bearing, which includes a pipe ruler body, a first positioning module, a second positioning module, a first measuring module, a second measuring module and a plurality of standard height blocks; the first positioning module includes a first module body slidably mounted on the pipe ruler body and a first positioning column detachably fixed to the first module body; the second positioning module includes a second module body slidably mounted on the pipe ruler body and a second positioning column detachably fixed to the second module body; the first measuring module includes a third module body slidably mounted on the pipe ruler body and a first measuring table detachably fixed to the third module body; the second measuring module includes a fourth module body slidably mounted on the pipe ruler body and a second measuring table detachably fixed to the fourth module body; the heights of the plurality of standard height blocks correspond to a plurality of standard values ​​of the end face drop of a tapered roller bearing; before measurement, the standard height block is used to adjust the height difference between the end of the first positioning column and the measuring end of the first measuring table, and the standard height block is used to adjust the height difference between the end of the second positioning column and the measuring end of the second measuring table.

[0006] Furthermore, the ruler body is a square tube.

[0007] Furthermore, the ruler body is a circular tube.

[0008] Furthermore, the first module body includes a first basic block having a through hole, a first locking member for locking the relative position of the first basic block and the ruler body, and a first adapter block fixed to the first basic block, and the first adapter block is fixed to the first positioning column.

[0009] Furthermore, the second module body includes a second basic block having a through hole, a second locking member for locking the relative position of the second basic block and the ruler body, and a second adapter block fixed to the second basic block, and the second adapter block is fixed to the second positioning column.

[0010] Furthermore, the first basic block and the second basic block have the same structure, and the first adapter block and the second adapter block have the same structure.

[0011] Furthermore, the third module body includes a third basic block having a through hole, a third locking member for locking the relative position of the third basic block and the ruler body, and a third adapter block fixed to the third basic block, and the third adapter block is connected to the first measuring meter.

[0012] Furthermore, the fourth module body includes a fourth basic block having a through hole, a fourth locking piece for locking the relative position of the fourth basic block and the ruler body, and a fourth adapter block fixed to the fourth basic block, and the fourth adapter block is connected to the second measuring table.

[0013] Further, the third basic block has the same structure as the fourth basic block, and the third adapter block has the same structure as the fourth adapter block.

[0014] The measuring method of the utility model: first, select two suitable standard height blocks according to the standard value of the end face drop value of the bearing to be measured, and adjust the height between the first positioning column on the inside of the tool and the first measuring gauge on the outside, and the height between the second positioning column on the inside and the second measuring gauge on the outside, according to the standard height block, to zero the two measuring gauges; then, place the first positioning column and the second positioning column on the inside of the tool on the end face of the inner ring of the bearing respectively, and place the measuring points of the first measuring gauge and the second measuring gauge on the outside on the end face of the outer ring of the bearing, rotate the outer ring, read the average of the swing range of the two measuring gauges, and then take the average of the two values ​​and record them. In this way, the end face drop value of the bearing can be measured quickly and accurately through the tool, which is particularly suitable for the accurate measurement of the end face drop value of a certain specification of tapered roller bearings during mass production.

[0015] The utility model has the beneficial effects of being specially used for measuring the axial clearance of back-to-back paired tapered roller bearings, the measurement is relatively convenient, and thus the measurement efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a tool for measuring the end face drop of a tapered roller bearing in one embodiment of the utility model;

[0017] Figure 2 It is a side view of a tool for measuring the end face drop of a tapered roller bearing in one embodiment of the utility model;

[0018] Figure 3 It is a top view of a tool for measuring the end face drop of a tapered roller bearing in one embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a tapered roller bearing measured in one embodiment of the utility model;

[0020] In the figure: 10. Tapered roller bearing end face drop measurement tool,

[0021] 100. Pipe ruler body,

[0022] 200, first positioning module, 210, first module body, 211, first base block, 212, first locking member, 213, first adapter block, 220, first positioning column,

[0023] 300, second positioning module, 310, second module body, 311, second base block, 312, second locking member, 313, second adapter block, 320, second positioning column,

[0024] 400, first measuring module, 410, third module body, 411, third base block, 412, third locking member, 413, third adapter block, 420, first measuring table,

[0025] 500, second measuring module, 510, fourth module body, 511, fourth base block, 512, fourth locking member, 513, fourth adapter block, 520, second measuring table,

[0026] a. End face drop value, 20. Back-to-back paired tapered roller bearings, 21. Outer ring, 22. Inner ring, 23. Roller, 24. Cage, 25. Inner spacer. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0028] See also Figure 1 and Figure 4 , shows a schematic structural diagram of a tapered roller bearing end face drop measurement tool 10 in one embodiment of the utility model, which is used to measure the end face drop value a of back-to-back paired tapered roller bearings 20, including an outer ring 21, an inner ring 22, a roller 23, a retaining frame 24 and an inner spacer 25.

[0029] The end face drop measuring tool 10 of a tapered roller bearing comprises a pipe ruler body 100, a first positioning module 200, a second positioning module 300, a first measuring module 400, a second measuring module 500 and a plurality of standard height blocks; the first positioning module 200 comprises a first module body 210 slidably mounted on the pipe ruler body 100 and a first positioning column 220 detachably fixed to the first module body 210; the second positioning module 300 comprises a second module body 310 slidably mounted on the pipe ruler body 100 and a second positioning column 320 detachably fixed to the second module body 310; the first measuring module 400 comprises a first module body 2 ... The third module body 410 is slidably mounted on the pipe ruler body 100, and the first measuring scale 420 is detachably fixed to the third module body 410; the second measuring module 500 includes a fourth module body 510 which is slidably mounted on the pipe ruler body 100, and a second measuring scale 520 which is detachably fixed to the fourth module body 510; the heights of multiple standard height blocks correspond to multiple standard values ​​of end face drop of tapered roller bearings; before measurement, the standard height block is used to adjust the height difference between the end of the first positioning column 220 and the measuring end of the first measuring scale 420, and the standard height block is used to adjust the height difference between the end of the second positioning column 320 and the measuring end of the second measuring scale 520.

[0030] See also Figure 1-Figure 3 In this embodiment, a measuring method of a tapered roller bearing end face drop measuring tool 10 is as follows: first, two suitable standard height blocks are selected according to the standard value of the end face drop value of the bearing to be measured, and the height between the first positioning column 220 on the inside of the tool and the first measuring gauge 420 on the outside, and the height between the second positioning column 320 on the inside and the second measuring gauge 520 on the outside are zeroed according to the standard height blocks; then, the first positioning column 220 and the second positioning column 320 on the inside of the tool are respectively placed on the end face of the inner ring of the bearing, and the measuring points of the first measuring gauge 420 and the second measuring gauge 520 on the outside are placed on the end face of the outer ring of the bearing, and the outer ring is rotated to read the average of the swing ranges of the two measuring gauges, and then the two values ​​are averaged and recorded. In this way, the end face drop value a of the bearing can be measured quickly and accurately through the tool, which is particularly suitable for the accurate measurement of the end face drop value a of a tapered roller bearing of a certain specification during mass production.

[0031] The above-mentioned tapered roller bearing end face drop measurement tool 10 is specially used to measure the end face drop value a of the back-to-back paired tapered roller bearings 20. The measurement is relatively convenient, thereby improving the measurement efficiency.

[0032] In one embodiment, the pipe ruler body 100 is a square pipe.

[0033] In another embodiment, the pipe ruler body 100 is a circular tube.

[0034] It should be noted that the cross-sectional shape of the ruler body 100 is not limited and is usually rectangular. In coordination therewith, through holes are provided on the first module body 210, the second module body 310, the third module body 410, and the fourth module body 510 so that the module bodies can be slidably adjusted on the ruler body 100 along the length direction.

[0035] In one embodiment, the first module body 210 includes a first base block 211 having a through hole, a first locking member 212 for locking the relative position of the first base block 211 and the ruler body 100, and a first adapter block 213 fixed to the first base block 211, and the first adapter block 213 is fixed to the first positioning column 220.

[0036] In one embodiment, the second module body 310 includes a second base block 311 having a through hole, a second locking member 312 for locking the relative position of the second base block 311 and the ruler body 100, and a second adapter block 313 fixed to the second base block 311, and the second adapter block 313 is fixed to the second positioning column 320.

[0037] In one embodiment, the first basic block 211 and the second basic block 311 have the same structure, and the first adapter block 213 and the second adapter block 313 have the same structure.

[0038] In one embodiment, the third module body 410 includes a third basic block 411 having a through hole, a third locking piece 412 for locking the relative position of the third basic block 411 and the ruler body 100, and a third adapter block 413 fixed to the third basic block 411, and the third adapter block 413 is connected to the first measuring table 420.

[0039] In one embodiment, the fourth module body 510 includes a fourth basic block 511 having a through hole, a fourth locking piece 512 for locking the relative position of the fourth basic block 511 and the ruler body 100, and a fourth adapter block 513 fixed to the fourth basic block 511, and the fourth adapter block 513 is connected to the second measuring table 520.

[0040] In one embodiment, the third basic block 411 and the fourth basic block 511 have the same structure, and the third adapter block 413 and the fourth adapter block 513 have the same structure.

[0041] It should be noted that the first basic block 211, the second basic block 311, the third basic block 411 and the fourth basic block 511 can adopt a block structure of the same structure and size, which is more convenient when preparing stocks. It is only necessary to fix adapter blocks of different specifications on them to connect other components. In the above embodiment, one type of adapter block can fix the measuring table, and the other type of adapter block can fix the positioning column. When it is necessary to measure other sizes, the adapter block can be removed according to the needs, or replaced with other types of adapter blocks to fix other measuring elements.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

Claims

1. A tool for measuring the end face drop of a tapered roller bearing, characterized in that: include Pipe ruler body; The first positioning module comprises a first module body slidably mounted on the pipe ruler body and a first positioning column detachably fixed to the first module body; The second positioning module comprises a second module body slidably mounted on the pipe ruler body and a second positioning column detachably fixed to the second module body; The first measuring module comprises a third module body slidably mounted on the pipe ruler body and a first measuring gauge detachably fixed to the third module body; The second measuring module comprises a fourth module body slidably mounted on the pipe ruler body and a second measuring gauge detachably fixed to the fourth module body; and Multiple standard height blocks, the heights correspond to various standard values ​​of end face drop of tapered roller bearings; Before measurement, the standard height block is used to adjust the height difference between the end of the first positioning column and the measuring end of the first measuring table, and the standard height block is used to adjust the height difference between the end of the second positioning column and the measuring end of the second measuring table.

2. The tool for measuring the end face drop of a tapered roller bearing according to claim 1, characterized in that: The pipe ruler body is a square pipe.

3. The tool for measuring the end face drop of a tapered roller bearing according to claim 1, characterized in that: The pipe ruler body is a circular pipe.

4. A tool for measuring end face drop of a tapered roller bearing according to any one of claims 1 to 3, characterized in that: The first module body includes a first basic block with a through hole, a first locking member for locking the relative position of the first basic block and the pipe ruler body, and a first adapter block fixed to the first basic block, and the first adapter block is fixed to the first positioning column.

5. The tool for measuring the end face drop of a tapered roller bearing according to claim 4, characterized in that: The second module body includes a second basic block with a through hole, a second locking member for locking the relative position of the second basic block and the pipe ruler body, and a second adapter block fixed to the second basic block, and the second adapter block is fixed to the second positioning column.

6. The tool for measuring the end face drop of a tapered roller bearing according to claim 5, characterized in that: The first basic block and the second basic block have the same structure, and the first adapter block and the second adapter block have the same structure.

7. A tool for measuring end face drop of a tapered roller bearing according to any one of claims 1 to 3, characterized in that: The third module body includes a third basic block with a through hole, a third locking member for locking the relative position of the third basic block and the pipe ruler body, and a third adapter block fixed to the third basic block, and the third adapter block is connected to the first measuring meter.

8. The tool for measuring the end face drop of a tapered roller bearing according to claim 7, characterized in that: The fourth module body includes a fourth basic block with a through hole, a fourth locking member for locking the relative position of the fourth basic block and the ruler body, and a fourth adapter block fixed to the fourth basic block, and the fourth adapter block is connected to the second measuring meter.

9. The tool for measuring the end face drop of a tapered roller bearing according to claim 8, characterized in that: The third basic block has the same structure as the fourth basic block, and the third adapter block has the same structure as the fourth adapter block.

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