CN115165361A - Bearing temperature testing device in test process - Google Patents
Bearing temperature testing device in test process Download PDFInfo
- Publication number
- CN115165361A CN115165361A CN202210934125.6A CN202210934125A CN115165361A CN 115165361 A CN115165361 A CN 115165361A CN 202210934125 A CN202210934125 A CN 202210934125A CN 115165361 A CN115165361 A CN 115165361A
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- bearing
- temperature
- mounting flange
- section
- partition plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
- G01K13/08—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies in rotary movement
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a bearing temperature testing device in a testing process, wherein a bearing is positioned in a container, the temperature testing device comprises a temperature sensor, an installation flange and a displacement compensation assembly, the temperature sensor arranged in the middle of the installation flange penetrates through a shell to be abutted against a tested bearing, the installation flange is in sealing connection with the temperature sensor through a taper thread, and the installation flange is in sealing connection with the shell through a sealing ring; the mounting flange can move up and down relative to the shell; the displacement compensation assembly comprises a plurality of pressure springs which are arranged on the mounting flange at intervals along the circumferential direction of the mounting flange, a first partition board which is arranged at the upper end of each pressure spring, and a plurality of screws which sequentially penetrate through the first partition board, the pressure springs and the mounting flange and are fixedly connected with the shell. The temperature testing device can effectively seal the medium in the container and has displacement compensation capability, so that the temperature of the bearing in the test process can be accurately measured.
Description
Technical Field
The invention relates to the field of temperature testing, in particular to a bearing temperature testing device in a testing process.
Background
In order to simulate the actual working condition of the bearing, part of the bearing tests need to simulate the special working conditions of the bearing such as high temperature, low temperature, high pressure and the like in a main machine. The bearing outer ring temperature measuring point can generate corresponding displacement along with the temperature change of a bearing working medium, the bearing thermal expansion can cause the pre-installed temperature measuring rod or the bearing to be damaged by stress, the bearing cold contraction can cause the pre-installed temperature measuring rod to be separated from the outer ring measuring point, and the sealing mode of the temperature sensor needs to be considered under the working condition of positive pressure of part of the bearing working medium.
Therefore, it is necessary to design a temperature testing device having a displacement compensation capability and a reliable sealing performance.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the bearing temperature testing device in the testing process, the temperature testing device can effectively seal the medium in the container and has displacement compensation capability, and further the temperature of the bearing in the testing process can be accurately measured.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a bearing temperature test device in experimental process, the bearing is located the container, is equipped with the shoulder hole that reduces gradually from outside to inside diameter on the casing of container, is the great first hole of diameter and the less second hole of diameter respectively, temperature test device includes:
the temperature sensor penetrates through the shell and is abutted with the bearing to be measured to carry out temperature test;
the mounting flange is arranged in the middle of the mounting flange, a mounting hole which is vertically communicated and used for mounting a temperature sensor is formed in the middle of the mounting flange, the mounting flange is in sealing connection with the temperature sensor through a taper thread, and the mounting flange mounted in the stepped hole is in sealing connection with the shell through a sealing ring; the mounting flange can move up and down relative to the shell;
the displacement compensation assembly is used for compensating the displacement change of the temperature sensor caused by expansion with heat and contraction with cold due to the change of the working temperature of the bearing; the displacement compensation assembly comprises a plurality of pressure springs arranged on the mounting flange at intervals along the circumferential direction of the mounting flange, a first partition plate arranged at the upper end of each pressure spring, and a plurality of screws sequentially passing through the first partition plate, the pressure springs and the mounting flange and fixedly connected with the shell, wherein the quantity of the pressure springs is consistent with the quantity of the screws.
Furthermore, a second partition plate penetrating through the screw is arranged above the first partition plate, and a force sensor used for testing the pressing force of the temperature sensor on the bearing is arranged between the first partition plate and the second partition plate.
Furthermore, through holes which are consistent in quantity and position and used for screws to pass through are formed in the first partition plate and the second partition plate.
Furthermore, the first partition plate, the second partition plate and the force sensor are arranged on the temperature sensor in a penetrating mode.
Further, the mounting hole comprises an upper flaring threaded hole section and a lower equal-diameter smooth hole section.
Furthermore, the middle lower part of the temperature sensor comprises a conical thread section matched with the flaring threaded hole section and an optical axis section arranged at the bottom of the conical thread section, and the optical axis section penetrates through the equal-diameter optical hole section and extends to the free end of the equal-diameter optical hole section to be abutted against the outer peripheral surface of the bearing outer ring.
Furthermore, a spiral clamp spring for positioning the sealing ring is arranged on the mounting flange.
Further, the mounting flange comprises a large-diameter section, a medium-diameter section and a small-diameter section from top to bottom in sequence, wherein the outer diameters of the large-diameter section, the medium-diameter section and the small-diameter section are gradually reduced, the large-diameter section is matched with the screw, the medium-diameter section is matched with the first hole, the small-diameter section is matched with the second hole, and the sealing ring is abutted to the joint of the medium-diameter section and the small-diameter section.
Has the advantages that:
1) The temperature testing device comprises a temperature sensor, an installation flange, a pressure spring, a partition plate and a screw, wherein (a) in the sealing aspect: the temperature sensor and the mounting flange are sealed through taper threads, and the mounting flange and the shell are sealed through a sealing ring; (b) displacement compensation: along with the displacement change caused by the expansion with heat and the contraction with cold of the working temperature change of the bearing, the displacement change can be compensated by the cylindrical compression spring, and the mounting flange of the temperature sensor and the shell can move relatively.
2) According to the invention, the second partition plate is arranged above the first partition plate, the force sensor is arranged between the first partition plate and the second partition plate, and the force sensor can test the pressing force of the temperature sensor on the bearing.
3) The temperature testing device can be widely applied to the bearing test industry, can effectively seal the medium in the container and control the pressing force of the temperature sensor, has the displacement compensation capability, and has the advantages of accurate temperature testing, safe use, no damage to the bearing and the like.
Drawings
FIG. 1 is a schematic structural diagram of a temperature measuring device according to the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a schematic view of the mounting flange configuration.
Fig. 4 is a schematic structural view of a stepped hole on a housing.
Graphic notation: 1. the temperature sensor comprises a temperature sensor body, 101, a conical thread section, 102, an optical axis section, 2, a screw, 3, a first partition plate, 4, a pressure spring, 5, a mounting flange, 501, a large-diameter section, 502, a medium-diameter section, 503, a small-diameter section, 504, a mounting hole, 5041, a flared thread hole section, 5042, an equal-diameter smooth hole section, 6, a shell, 601, a stepped hole, 6011, a first hole, 6012, a second hole, 7, a spacer ring, 8, a bearing, 9, a main shaft, 10, a force sensor, 11, a second partition plate, 12, a spiral clamp spring, 13, a sealing ring, 14 and a container.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in fig. 1, are only used for convenience in 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 in a specific orientation, and operate, and thus, should not be taken as limiting the scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Referring to fig. 1 to 4, a bearing 8 is located in a container 14, a stepped hole 601 whose diameter gradually decreases from outside to inside is formed in a shell 6 of the container 14, and the stepped hole is a first hole 6011 with a larger diameter and a second hole 6012 with a smaller diameter, respectively, and the temperature testing apparatus includes:
the temperature sensor 1 penetrates through the shell 6 to be abutted with the bearing 8 so as to carry out temperature test on the temperature sensor 1;
the mounting flange 5 is arranged, a mounting hole 504 which is vertically communicated and used for mounting the temperature sensor 1 is formed in the middle of the mounting flange 5, the mounting flange 5 is in sealing connection with the temperature sensor 1 through conical threads, and the mounting flange 5 mounted in the stepped hole 601 is in sealing connection with the shell 6 through a sealing ring 13; the mounting flange 5 can move up and down relative to the shell 6;
the displacement compensation assembly is used for compensating the displacement change of the temperature sensor 1 caused by expansion with heat and contraction with cold due to the change of the working temperature of the bearing 8; the displacement compensation assembly comprises a plurality of pressure springs 4 arranged on the mounting flange 5 along the circumferential direction of the mounting flange 5 at intervals, a first partition plate 3 arranged at the upper end of each pressure spring 4, and a plurality of screws 2 which sequentially penetrate through the first partition plate 3, the pressure springs 4 and the mounting flange 5 and are fixedly connected with the shell 6, wherein the quantity of the pressure springs 4 is consistent with the quantity of the screws 2.
According to the temperature sensor, the temperature sensor 1 and the mounting flange 5 are sealed through the taper threads, and the mounting flange 5 and the shell 6 are sealed through the sealing rings, so that when the temperature testing device tests the temperature of the bearing 8 in the container 14, the container can still maintain a closed environment, and the working medium is prevented from flowing out.
When the temperature testing device tests the temperature of the bearing 8, the measuring end of the temperature sensor 1 needs to be in contact with the outer peripheral surface of the outer ring of the bearing 8, and the bearing 8 expands with heat and contracts with the change of the working temperature in the container 14, so that the pressing force of the measuring end of the temperature sensor 1 on the bearing 8 is too large or too small. According to the invention, through designing the pressure spring 4 and the mounting flange 5 capable of moving relative to the container 14, the working temperature change causes the displacement change generated by expansion with heat and contraction with cold of the bearing 8, the compensation can be carried out by the pressure spring 4, and the mounting flange 5 and the container 14 can also move relatively, so that the accuracy of the test result of the temperature testing device is ensured, and the bearing 8 is not damaged.
It should be noted that the seal ring 13 used in the present invention is a floating plug seal ring, and the sealing effect is more excellent.
And a second partition plate 11 penetrating through the screw 2 is arranged above the first partition plate 3, and a force sensor 10 for testing the pressing force of the temperature sensor 1 on the bearing 8 is arranged between the first partition plate 3 and the second partition plate 11.
Preferably, in the invention, an operator can also adjust the stress of the pressure spring 4 by rotating the screw 2 according to the value displayed by the force sensor 10, thereby adjusting the pressing force of the temperature sensor 1 on the bearing.
In detail, the first partition plate 3 and the second partition plate 11 are provided with through holes, the number and the positions of which are consistent, for the screws 2 to pass through.
The first partition plate 3, the second partition plate 11 and the force sensor 10 are all arranged on the temperature sensor 1 in a penetrating mode.
Referring to FIG. 3, the mounting hole 504 includes an upper flared threaded bore section 5041 and a lower constant diameter smooth bore section 5042. Referring to fig. 1, the middle-lower portion of the temperature sensor includes a tapered threaded section 101 matching with the flared threaded hole section 5041, and an optical axis section 102 disposed at the bottom of the tapered threaded section 101, wherein the optical axis section 102 passes through the equal-diameter optical hole section 5042 and extends to a free end thereof to abut against the outer circumferential surface of the outer ring of the bearing 8.
Referring to fig. 3 and 4, the mounting flange 5 sequentially includes a large diameter section 501, a medium diameter section 502 and a small diameter section 503 from top to bottom, the outer diameter of the large diameter section 501 is gradually reduced, the large diameter section 501 is matched with the screw 2, the medium diameter section 502 is matched with the first hole 6011, the small diameter section 503 is matched with the second hole 6012, and the sealing ring 13 abuts against the joint of the medium diameter section 502 and the small diameter section 503.
The mounting flange 5 is provided with a spiral clamp spring 12 for positioning the sealing ring 13, and the spiral clamp spring 12 not only can ensure that the sealing ring 13 is always located at the joint of the middle-diameter section 502 and the small-diameter section 503, but also can prevent the sealing ring 13 from falling into the container 14.
The temperature testing device can be widely applied to the bearing test industry, can effectively seal the medium in the container 14 and control the pressing force of the temperature sensor 1, has the displacement compensation capability, and has the advantages of accurate temperature testing, safe use, no damage to the bearing and the like.
The foregoing is merely a preferred embodiment of the invention and is not to be construed as limiting the invention in any way. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The bearing temperature testing device in the testing process is characterized in that the bearing (8) is positioned in a container (14), a stepped hole (601) with the diameter gradually reduced from outside to inside is formed in a shell (6) of the container (14), and the stepped hole is a first hole (6011) with a larger diameter and a second hole (6012) with a smaller diameter respectively, and the bearing temperature testing device comprises:
the temperature sensor (1) penetrates through the shell (6) to be abutted with the bearing (8) so as to test the temperature of the temperature sensor (1);
the mounting flange (5), the middle part of the mounting flange (5) is provided with a mounting hole (504) which is communicated up and down and used for mounting the temperature sensor (1), the mounting flange (5) is in sealing connection with the temperature sensor (1) through conical threads, and the mounting flange (5) mounted in the stepped hole (601) is in sealing connection with the shell (6) through a sealing ring (13); the mounting flange (5) can move up and down relative to the shell (6);
the displacement compensation assembly is used for compensating the displacement change of the temperature sensor (1) caused by expansion with heat and contraction with cold due to the change of the working temperature of the bearing (8); the displacement compensation assembly comprises a plurality of pressure springs (4) arranged on the mounting flange (5) along the circumferential interval of the mounting flange (5), a first partition plate (3) arranged at the upper end of each pressure spring (4), and a plurality of screws (2) which sequentially penetrate through the first partition plate (3), the pressure springs (4) and the mounting flange (5) and are fixedly connected with the shell (6), wherein the quantity of the pressure springs (4) is consistent with the quantity of the screws (2).
2. The device for testing the temperature of the bearing in the test process according to claim 1, wherein a second partition plate (11) penetrating the screw (2) is arranged above the first partition plate (3), and a force sensor (10) for testing the pressing force of the temperature sensor (1) on the bearing (8) is arranged between the first partition plate (3) and the second partition plate (11).
3. The device for testing the temperature of the bearing in the test process according to claim 2, wherein the first partition plate (3) and the second partition plate (11) are provided with through holes which are consistent in number and position and used for the screws (2) to pass through.
4. The device for testing the bearing temperature in the test process according to claim 3, wherein the first partition plate (3), the second partition plate (11) and the force sensor (10) are arranged on the temperature sensor (1) in a penetrating manner.
5. The in-process bearing temperature testing apparatus of claim 1, wherein the mounting hole (504) comprises an upper flared threaded bore section (5041) and a lower constant diameter bore section (5042).
6. The device for testing the bearing temperature in the test process according to claim 5, wherein the middle lower part of the temperature sensor comprises a tapered threaded section (101) matched with the flared threaded hole section (5041) and an optical axis section (102) arranged at the bottom of the tapered threaded section (101), and the optical axis section (102) penetrates through the equal-diameter optical hole section (5042) and extends to the free end thereof to abut against the outer peripheral surface of the outer ring of the bearing (8).
7. The device for testing the temperature of the bearing in the test process according to claim 1, wherein the mounting flange (5) is provided with a spiral clamp spring (12) for positioning the sealing ring (13).
8. The device for testing the temperature of the bearing in the test process according to claim 1, wherein the mounting flange (5) comprises a large-diameter section (501), a medium-diameter section (502) and a small-diameter section (503) which are gradually reduced in outer diameter from top to bottom in sequence, the large-diameter section (501) is matched with the screw (2), the medium-diameter section (502) is matched with the first hole (6011), the small-diameter section (503) is matched with the second hole (6012), and the sealing ring (13) abuts against the joint of the medium-diameter section (502) and the small-diameter section (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210934125.6A CN115165361B (en) | 2022-08-04 | 2022-08-04 | Bearing temperature testing device in test process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210934125.6A CN115165361B (en) | 2022-08-04 | 2022-08-04 | Bearing temperature testing device in test process |
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| Publication Number | Publication Date |
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| CN115165361A true CN115165361A (en) | 2022-10-11 |
| CN115165361B CN115165361B (en) | 2024-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210934125.6A Active CN115165361B (en) | 2022-08-04 | 2022-08-04 | Bearing temperature testing device in test process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203337382U (en) * | 2013-06-05 | 2013-12-11 | 西安交通大学 | Bearing precision performance testing device |
| CN107063575A (en) * | 2017-03-17 | 2017-08-18 | 合肥通用机械研究院 | A kind of high deceleration device shaft end seal experimental rig |
| CN206593858U (en) * | 2017-03-07 | 2017-10-27 | 宁波更大集团有限公司 | Bearing tester |
| CN111855213A (en) * | 2020-08-04 | 2020-10-30 | 成都天马铁路轴承有限公司 | High-speed rail gearbox bearing testing machine |
| US20210190627A1 (en) * | 2019-08-12 | 2021-06-24 | Dalian University Of Technology | Dynamic seal test device for cryogenic fluid medium |
-
2022
- 2022-08-04 CN CN202210934125.6A patent/CN115165361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203337382U (en) * | 2013-06-05 | 2013-12-11 | 西安交通大学 | Bearing precision performance testing device |
| CN206593858U (en) * | 2017-03-07 | 2017-10-27 | 宁波更大集团有限公司 | Bearing tester |
| CN107063575A (en) * | 2017-03-17 | 2017-08-18 | 合肥通用机械研究院 | A kind of high deceleration device shaft end seal experimental rig |
| US20210190627A1 (en) * | 2019-08-12 | 2021-06-24 | Dalian University Of Technology | Dynamic seal test device for cryogenic fluid medium |
| CN111855213A (en) * | 2020-08-04 | 2020-10-30 | 成都天马铁路轴承有限公司 | High-speed rail gearbox bearing testing machine |
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| Publication number | Publication date |
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| CN115165361B (en) | 2024-10-01 |
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