CN215338104U - Wind-powered electricity generation self-aligning roller bearing external diameter measuring device - Google Patents
Wind-powered electricity generation self-aligning roller bearing external diameter measuring device Download PDFInfo
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- CN215338104U CN215338104U CN202121164183.2U CN202121164183U CN215338104U CN 215338104 U CN215338104 U CN 215338104U CN 202121164183 U CN202121164183 U CN 202121164183U CN 215338104 U CN215338104 U CN 215338104U
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Abstract
The utility model belongs to the technical field of bearing detection, and particularly designs a wind power self-aligning roller bearing outer diameter measuring device which comprises a T-shaped detection frame, wherein the T-shaped detection frame is formed by combining a diameter detection ruler and a radius detection ruler which are perpendicular to each other, one end of the diameter detection ruler is provided with a first positioning structure, and the first positioning structure is in contact with the outer wall of a bearing outer ring; the other end of the diameter measuring scale is provided with a first measuring meter which is contacted with the outer wall of the bearing outer ring; one end of the radius measuring scale, which is far away from the diameter measuring scale, is provided with a second positioning structure, and the second positioning structure is in contact with the outer wall of the bearing outer ring. The utility model can effectively measure the outer diameter difference caused by horizontal placement and vertical placement of the bearing, further accurately measure the radial clearance of the bearing, improve the measurement accuracy, and has simple structure and convenient use.
Description
Technical Field
The utility model belongs to the technical field of bearing detection, and particularly relates to a wind power self-aligning roller bearing outer diameter measuring device.
Background
Roller bearings, which are one of the rolling bearings widely used in modern machinery, rely on rolling contact between the main elements to support rotating parts, and are most standardized.
At present, after a finished bearing of a large wind power FD self-aligning roller bearing is assembled, the radial clearance needs to be measured, usually, the top of an outer groove is directly measured, how much the radial clearance is measured, but after the bearing stands up, the outer ring can deform under the action of gravity and is approximate to an ellipse, so that the measured clearance is all small, the factory clearance qualification rate of the bearing cannot be ensured, and the clearance after the bearing is assembled is directly influenced.
Disclosure of Invention
According to the defects in the prior art, the utility model aims to provide the wind power self-aligning roller bearing outer diameter measuring device which can detect the outer diameter difference of the bearing outer diameter in the horizontal state and the vertical state of the bearing, and further balance the radial play measured value of the bearing to approach the true value.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a wind power self-aligning roller bearing outer diameter measuring device comprises a T-shaped detection frame, wherein the T-shaped detection frame is formed by combining a diameter detection ruler and a radius detection ruler which are perpendicular to each other, a first positioning structure is arranged at one end of the diameter detection ruler, and the first positioning structure is in contact with the outer wall of a bearing outer ring; the other end of the diameter measuring scale is provided with a first measuring meter which is contacted with the outer wall of the bearing outer ring; one end of the radius measuring scale, which is far away from the diameter measuring scale, is provided with a second positioning structure, and the second positioning structure is in contact with the outer wall of the bearing outer ring.
Further, when the bearing is laid horizontally, the intersection point of the diameter measuring scale and the radius measuring scale is located at the center of the outer ring of the bearing.
Further, the first positioning structure comprises a connecting rod and a fulcrum, the fulcrum is arranged along the radial direction of the bearing and is in contact with the outer wall of the outer ring of the bearing, and the fulcrum is connected to the diameter measuring scale through the connecting rod.
Further, the diameter measuring scale and the connecting rod are fixedly connected.
Furthermore, the second positioning structure comprises a limiting rod and a second measuring meter, the limiting rod is connected to the radius measuring scale, the limiting rod is in contact with the outer wall of the outer ring of the bearing, and a pointer of the second measuring meter is in contact with the outer wall of the outer ring of the bearing along the radial direction of the bearing.
Furthermore, the limiting rod is fixedly connected with the radius measuring scale.
Furthermore, the first measuring meter is connected with the diameter measuring scale through the meter frame, and a pointer of the first measuring meter is in contact with the outer wall of the outer ring of the bearing along the radial direction of the bearing.
Further, the gauge stand is fixedly connected with the diameter measuring scale.
Further, the diameter measuring scale and the radius measuring scale are fixedly connected.
The working principle is as follows: the measuring device is used for auxiliary measurement of the radial play of the bearing, before the radial play is measured, the bearing is firstly placed horizontally, the T-shaped detection frame is assembled on the upper half part of the bearing, the first positioning structure and the second positioning mechanism are respectively in contact positioning with the outer wall of the outer ring of the bearing, and a first measurement representation Y1 is read; the method comprises the steps of erecting a bearing, measuring the radial clearance at the outer ring of the top of the bearing to be P, assembling a T-shaped detection frame to the upper half part of the bearing, enabling a first positioning structure and a second positioning mechanism to be in contact positioning with the outer wall of the outer ring of the bearing respectively, reading a first measurement representation number Y2, and finally sleeving a formula to obtain the actual radial clearance P of the bearing, namely P = | Y2-Y1|/2+ P.
The utility model has the beneficial effects that: the device can effectively measure the outer diameter difference caused by horizontal placement and vertical placement of the bearing, further accurately measure the radial clearance of the bearing, improve the measurement accuracy, and has simple structure and convenient use.
Drawings
FIG. 1 is a first schematic structural diagram of a measuring apparatus;
FIG. 2 is a second schematic structural diagram of the measuring apparatus;
FIG. 3 is a front view of the measuring device;
FIG. 4 is a side view of a measuring device;
in the figure: 1. diameter scale 2, radius scale 3, bearing outer race, 4, first gauge, 5, connecting rod, 6, fulcrum, 7, gag lever post, 8, second gauge, 9, table frame.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached drawings 1-3, the wind power self-aligning roller bearing outer diameter measuring device comprises a T-shaped detection frame, wherein the T-shaped detection frame is formed by combining a diameter detection ruler 1 and a radius detection ruler 2 which are perpendicular to each other, a first positioning structure is arranged at one end of the diameter detection ruler 1, and the first positioning structure is in contact with the outer wall of a bearing outer ring 3; the other end of the diameter measuring scale 1 is provided with a first measuring gauge 4, and the first measuring gauge 4 is contacted with the outer wall of the bearing outer ring 3; one end of the radius measuring scale 2, which is far away from the diameter measuring scale 1, is provided with a second positioning structure, and the second positioning structure is in contact with the outer wall of the bearing outer ring 3.
Further, the length of the diameter measuring scale 1 is matched with the outer diameter of the bearing outer ring 3, the outer radius of the length bearing outer ring 3 of the radius measuring scale 2 is matched, and the intersection point of the radius measuring scale 2 and the diameter measuring scale 1 is located at the center of the diameter measuring scale 1. When the bearing is horizontally placed, the intersection point of the diameter measuring scale and the radius measuring scale is positioned in the center of the outer ring of the bearing.
Based on the above technical solution, it should be noted that, because the bearing has errors during the processing and assembling process, and the bearing is placed in different states, the size of the T-shaped detection frame in the measuring device can be slightly deformed, so that the size of the T-shaped detection frame in the measuring device is determined according to the theoretical size of a product, each T-shaped detection frame is only suitable for a bearing with the same specification, theoretically, when the measuring device is assembled on the bearing, the intersection point of the diameter measuring scale and the radius measuring scale is positioned at the center of the outer ring of the bearing, the length from the positioning point of the first positioning structure to the intersection point of the diameter measuring scale and the radius measuring scale is half outer diameter, the length from the positioning point of the second positioning structure to the intersection point of the diameter measuring scale and the radius measuring scale is half outer diameter, however, in actual detection, the position of the intersection point may deviate from the center of the bearing, but the relative position of the T-shaped detection frame and the bearing is fixed, so the accuracy of the detection result is not affected.
Further, the first positioning structure comprises a connecting rod 5 and a limiting rod 7, the fulcrum 6 is arranged along the radial direction of the bearing and is in contact with the outer wall of the outer ring of the bearing, and the fulcrum 6 is connected to the diameter measuring scale 1 through the connecting rod 5. The diameter measuring scale 1 and the connecting rod are welded.
Further, the second positioning structure comprises a limiting rod 7 and a second measuring meter 8, the limiting rod 7 is connected to the radius measuring scale 2, the limiting rod 7 is in contact with the outer wall of the outer ring of the bearing, and a pointer of the second measuring meter 8 is in contact with the outer wall of the outer ring of the bearing along the radial direction of the bearing. And the limiting rod is welded with the radius measuring scale.
Further, the first measuring gauge 4 is connected with the diameter measuring scale 1 through a gauge stand 9, and a pointer of the first measuring gauge 4 is in contact with the outer wall of the outer ring of the bearing along the radial direction of the bearing. The gauge stand 9 is fixedly connected with the diameter measuring scale 1.
Further, the diameter scale 1 and the radius scale 2 are welded.
Based on the technical scheme, all the connecting parts are fixed by welding, and the sizes and the positions of all the parts of the device are fixed, so that the reliability of measurement is enhanced,
The working principle is as follows: the measuring device is used for auxiliary measurement of the radial play of the bearing, the bearing is firstly horizontally placed before the radial play is measured, the T-shaped detection frame is assembled on the upper half part of the bearing, the limiting rod 7 is firstly positioned on the upper part of the outer ring of the bearing, the number of the second measuring meter 8 is zero, the fulcrum 6 is simultaneously contacted and positioned with the outer wall of the bearing, and the first measuring meter Y1 is read after the positioning is finished; the method comprises the steps of erecting a bearing, measuring the radial clearance at the outer ring of the top of the bearing to be P, assembling a T-shaped detection frame to the upper half part of the bearing, hanging a limiting rod 7 to the top of the outer ring of the bearing, adjusting the number of the second measuring meter 8 to be zero, enabling a fulcrum 6 to be in contact with the outer wall of the bearing for positioning, reading the number Y2 of the first measuring meter again after the positioning is finished, and finally sleeving the bearing into a formula to obtain the actual radial clearance P = | Y2-Y1|/2+ P of the bearing. The bearing outer diameter measuring method based on the Y2-Y1 is characterized in that Y2-Y1 is the outer diameter difference of a bearing when the bearing is placed horizontally and vertically, namely the deformation of the outer diameter when the bearing is placed vertically, half of the outer diameter difference is added with the measured radial clearance p, and the obtained radial clearance is the actual clearance.
The above list is only the preferred embodiment of the present invention. It is obvious that the utility model is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the utility model.
Claims (9)
1. The utility model provides a wind-powered electricity generation self-aligning roller bearing external diameter measuring device which characterized in that: the bearing outer ring positioning device comprises a T-shaped detection frame, wherein the T-shaped detection frame is formed by combining a diameter detection ruler and a radius detection ruler which are mutually perpendicular, a first positioning structure is arranged at one end of the diameter detection ruler, and the first positioning structure is in contact with the outer wall of a bearing outer ring; the other end of the diameter measuring scale is provided with a first measuring meter which is contacted with the outer wall of the bearing outer ring; one end of the radius measuring scale, which is far away from the diameter measuring scale, is provided with a second positioning structure, and the second positioning structure is in contact with the outer wall of the bearing outer ring.
2. The wind power self-aligning roller bearing outer diameter measuring device according to claim 1, characterized in that: when the bearing is horizontally placed, the intersection point of the diameter measuring scale and the radius measuring scale is positioned in the center of the outer ring of the bearing.
3. The wind power self-aligning roller bearing outer diameter measuring device according to claim 1, characterized in that: the first positioning structure comprises a connecting rod and a fulcrum, the fulcrum is arranged along the radial direction of the bearing and is in contact with the outer wall of the outer ring of the bearing, and the fulcrum is connected to the diameter measuring scale through the connecting rod.
4. The wind power self-aligning roller bearing outer diameter measuring device according to claim 3, characterized in that: the diameter measuring scale is fixedly connected with the connecting rod.
5. The wind power self-aligning roller bearing outer diameter measuring device according to claim 1, characterized in that: the second positioning structure comprises a limiting rod and a second measuring meter, the limiting rod is connected to the radius detection ruler, the limiting rod is in contact with the outer wall of the bearing outer ring, and a pointer of the second measuring meter is in contact with the outer wall of the bearing outer ring along the radial direction of the bearing.
6. The wind power self-aligning roller bearing outer diameter measuring device according to claim 5, characterized in that: the limiting rod is fixedly connected with the radius measuring scale.
7. The wind power self-aligning roller bearing outer diameter measuring device according to claim 1, characterized in that: the first measuring meter is connected with the diameter measuring scale through the meter frame, and a pointer of the first measuring meter is in contact with the outer wall of the outer ring of the bearing along the radial direction of the bearing.
8. The wind power self-aligning roller bearing outer diameter measuring device according to claim 7, characterized in that: the gauge stand is fixedly connected with the diameter measuring scale.
9. The wind power self-aligning roller bearing outer diameter measuring device according to claim 1, characterized in that: the diameter detection ruler is fixedly connected with the radius detection ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164183.2U CN215338104U (en) | 2021-05-28 | 2021-05-28 | Wind-powered electricity generation self-aligning roller bearing external diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164183.2U CN215338104U (en) | 2021-05-28 | 2021-05-28 | Wind-powered electricity generation self-aligning roller bearing external diameter measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338104U true CN215338104U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121164183.2U Active CN215338104U (en) | 2021-05-28 | 2021-05-28 | Wind-powered electricity generation self-aligning roller bearing external diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215338104U (en) |
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2021
- 2021-05-28 CN CN202121164183.2U patent/CN215338104U/en active Active
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