CN102103023A - Device capable of measuring surface temperature of inner wall of rolling bearing - Google Patents
Device capable of measuring surface temperature of inner wall of rolling bearing Download PDFInfo
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- CN102103023A CN102103023A CN200910260355.3A CN200910260355A CN102103023A CN 102103023 A CN102103023 A CN 102103023A CN 200910260355 A CN200910260355 A CN 200910260355A CN 102103023 A CN102103023 A CN 102103023A
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- wall
- rolling bearing
- surface temperature
- blind hole
- groove
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Abstract
The invention relates to a device capable of measuring the surface temperature of the inner wall of a rolling bearing, which is characterized in that the device capable of measuring the surface temperature of the inner wall of a rolling bearing comprises a hollow shaft, ceramic sticks and a thermocouple, wherein a groove is formed on the hollow shaft; blind holes 1 and 2 are respectively formed at the two ends of the groove; a through hole is formed in the middle of the groove; the ceramic sticks are arranged in the blind holes 1 and 2; one end of the thermocouple is respectively positioned in the position near the inner wall of the bearing at the top of the ceramic sticks; and the other end of the thermocouple extends into the interior of the hollow shaft through the through hole, and is connected with the an external measuring device. The device provided by the invention has the advantages that the wall temperature test of a high-speed rotating piece can be finished by using the device capable of measuring the surface temperature of the inner wall of a rolling bearing, thereby providing a wider prospect for the wall temperature test under the state with a high rotating speed and a large load.
Description
Technical field
The present invention relates to mechanical structure field, a kind of device that can measure the rolling bearing inner wall surface temperature is provided especially.
Background technology
Lack the slow-speed of revolution, low load at present and measure the measurement mechanism of bearing temperature to the cyclic test following long-life of state of high rotating speed, top load.
Summary of the invention
The objective of the invention is for the on-line measurement bearing temperature, the spy provides a kind of device that can measure the rolling bearing inner wall surface temperature.
The invention provides a kind of device that can measure the rolling bearing inner wall surface temperature, it is characterized in that: the described device that can measure the rolling bearing inner wall surface temperature comprises quill shaft 1, ceramic rod 2, thermopair 3;
Wherein: have groove 101 on the quill shaft 1, the two ends of groove 101 have blind hole 1 and blind hole 2 103 respectively, the centre of groove 101 has through hole 104, ceramic rod 2 is placed on blind hole 1 and blind hole 2 103 inside, one end of thermopair 3 lays respectively at the position of the top of ceramic rod 2 near bearing inner wall, the other end of thermopair 3 puts in the inside of quill shaft 1 by through hole 104, is connected with external measurement device.
Folded central angle is 90 to 180 degree between described blind hole 1 and the blind hole 2 103.
During on-line monitoring, the centrifugal force that axle rotates makes ceramic rod 2 that the measuring point of thermopair 3 is pressed on the bearing inner ring surface, measures online bearing temperature by thermopair 3.
Advantage of the present invention:
The device that can measure the rolling bearing inner wall surface temperature of the present invention has been realized the wall temperature test of high speed rotating spare, thereby provides more wide prospect for the test of the wall temperature under the big loaded-up condition of high rotating speed.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is axial synoptic diagram;
Fig. 2 is synoptic diagram radially.
Embodiment
Present embodiment provides a kind of device that can measure the rolling bearing inner wall surface temperature, it is characterized in that: the described device that can measure the rolling bearing inner wall surface temperature comprises quill shaft 1, ceramic rod 2, thermopair 3;
Wherein: have groove 101 on the quill shaft 1, the two ends of groove 101 have blind hole 1 and blind hole 2 103 respectively, the centre of groove 101 has through hole 104, ceramic rod 2 is placed on blind hole 1 and blind hole 2 103 inside, one end of thermopair 3 lays respectively at the position of the top of ceramic rod 2 near bearing inner wall, the other end of thermopair 3 puts in the inside of quill shaft 1 by through hole 104, is connected with external measurement device.
Folded central angle is 90 degree between described blind hole 1 and the blind hole 2 103.
During on-line monitoring, the centrifugal force that axle rotates makes ceramic rod 2 that the measuring point of thermopair 3 is pressed on the bearing inner ring surface, measures online bearing temperature by thermopair 3.
Present embodiment provides a kind of device that can measure the rolling bearing inner wall surface temperature, it is characterized in that: the described device that can measure the rolling bearing inner wall surface temperature comprises quill shaft 1, ceramic rod 2, thermopair 3;
Wherein: have groove 101 on the quill shaft 1, the two ends of groove 101 have blind hole 1 and blind hole 2 103 respectively, the centre of groove 101 has through hole 104, ceramic rod 2 is placed on blind hole 1 and blind hole 2 103 inside, one end of thermopair 3 lays respectively at the position of the top of ceramic rod 2 near bearing inner wall, the other end of thermopair 3 puts in the inside of quill shaft 1 by through hole 104, is connected with external measurement device.
Folded central angle is 120 degree between described blind hole 1 and the blind hole 2 103.
During on-line monitoring, the centrifugal force that axle rotates makes ceramic rod 2 that the measuring point of thermopair 3 is pressed on the bearing inner ring surface, measures online bearing temperature by thermopair 3.
Present embodiment provides a kind of device that can measure the rolling bearing inner wall surface temperature, it is characterized in that: the described device that can measure the rolling bearing inner wall surface temperature comprises quill shaft 1, ceramic rod 2, thermopair 3;
Wherein: have groove 101 on the quill shaft 1, the two ends of groove 101 have blind hole 1 and blind hole 2 103 respectively, the centre of groove 101 has through hole 104, ceramic rod 2 is placed on blind hole 1 and blind hole 2 103 inside, one end of thermopair 3 lays respectively at the position of the top of ceramic rod 2 near bearing inner wall, the other end of thermopair 3 puts in the inside of quill shaft 1 by through hole 104, is connected with external measurement device.
Folded central angle is 180 degree between described blind hole 1 and the blind hole 2 103.
During on-line monitoring, the centrifugal force that axle rotates makes ceramic rod 2 that the measuring point of thermopair 3 is pressed on the bearing inner ring surface, measures online bearing temperature by thermopair 3.
Claims (2)
1. the device that can measure the rolling bearing inner wall surface temperature, it is characterized in that: the described device that can measure the rolling bearing inner wall surface temperature comprises quill shaft (1), ceramic rod (2), thermopair (3);
Wherein: have groove (101) on the quill shaft (1), the two ends of groove (101) have blind hole one (102) and blind hole two (103) respectively, the centre of groove (101) has through hole (104), ceramic rod (2) is placed on blind hole one (102) and blind hole two (103) inside, one end of thermopair (3) lays respectively at the position of the top of ceramic rod (2) near bearing inner wall, the other end of thermopair (3) puts in the inside of quill shaft (1) by through hole (104), is connected with external measurement device.
2. according to the described device that can measure the rolling bearing inner wall surface temperature of claim 1, it is characterized in that: folded central angle is 90 to 180 degree between described blind hole one (102) and the blind hole two (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260355.3A CN102103023A (en) | 2009-12-17 | 2009-12-17 | Device capable of measuring surface temperature of inner wall of rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260355.3A CN102103023A (en) | 2009-12-17 | 2009-12-17 | Device capable of measuring surface temperature of inner wall of rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102103023A true CN102103023A (en) | 2011-06-22 |
Family
ID=44155958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910260355.3A Pending CN102103023A (en) | 2009-12-17 | 2009-12-17 | Device capable of measuring surface temperature of inner wall of rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102103023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234650A (en) * | 2013-05-02 | 2013-08-07 | 大连交通大学 | Method for measuring axle box bearing instant temperature of bullet train bogie |
-
2009
- 2009-12-17 CN CN200910260355.3A patent/CN102103023A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234650A (en) * | 2013-05-02 | 2013-08-07 | 大连交通大学 | Method for measuring axle box bearing instant temperature of bullet train bogie |
| CN103234650B (en) * | 2013-05-02 | 2016-03-16 | 大连交通大学 | A kind of motor train unit bogie axle box bearing transient temperature measuring method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110622 |