CN221038017U - Bearing test fixture capable of controlling ambient temperature - Google Patents
Bearing test fixture capable of controlling ambient temperature Download PDFInfo
- Publication number
- CN221038017U CN221038017U CN202322832405.9U CN202322832405U CN221038017U CN 221038017 U CN221038017 U CN 221038017U CN 202322832405 U CN202322832405 U CN 202322832405U CN 221038017 U CN221038017 U CN 221038017U
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- bearing
- medium
- temperature
- inner sleeve
- spindle
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a bearing testing tool capable of controlling the ambient temperature, relates to the field of bearing detection, and solves the problem that when a bearing is subjected to high-temperature environment test, the ambient temperature of two bearings is different due to the influence of the tool position and the surrounding environment, so that the test result is influenced; the electric motor comprises a base, wherein a mounting ring and an electric spindle are coaxially arranged above the base, a bearing seat is arranged in the mounting ring, a spindle is arranged in the bearing seat, and a bearing is arranged between the spindle and the bearing seat; according to the utility model, the inner sleeve and the outer sleeve are sequentially sleeved outside the detected bearing, a closed cavity for accommodating high-temperature medium is formed between the inner sleeve and the outer sleeve, the closed cavity is communicated with equipment for generating the high-temperature medium through a medium pipe, the high-temperature medium is conveyed through a medium pump, and the flow of the high-temperature medium entering the closed cavity is controlled through a flow control valve, so that the environment temperatures of the two detected bearings are consistent, and the accuracy of the measurement result is ensured.
Description
Technical Field
The utility model relates to the field of bearing detection, in particular to a bearing testing tool capable of controlling the ambient temperature.
Background
Bearings are one of the indispensable components in most mechanical devices. In some special equipment, the bearing needs to be used in a high-temperature environment, so that in the test with the requirement of the environment temperature, for example, the bearing is required to be tested in the environment of 100 ℃, the aim of increasing the environment temperature is fulfilled by introducing a high-temperature medium into a test tool. However, due to the position of the tool and the surrounding environment, the ambient temperatures of the two bearings are different, so that the test result is affected.
Disclosure of utility model
The utility model aims at: the bearing testing tool capable of controlling the ambient temperature is used for solving the problem that when the bearing is subjected to high-temperature environment testing, the ambient temperature of two bearings is different due to the influences of the tool position and the surrounding environment, so that the test result is influenced.
The technical scheme adopted by the utility model is as follows: the bearing testing tool comprises a base, wherein a mounting ring and an electric spindle are coaxially arranged above the base, a bearing seat is arranged in the mounting ring, a spindle is arranged in the bearing seat, a bearing is arranged between the spindle and the bearing seat, and detection tools for mounting a detected bearing are symmetrically arranged on two sides of the bearing;
The detection tool comprises an inner sleeve concentrically arranged on the outer side of the detected bearing, an outer sleeve is concentrically arranged on the outer side of the inner sleeve, an annular groove is formed in the outer wall of the inner sleeve, a closed cavity for introducing high-temperature medium is formed between the annular groove and the inner wall of the outer sleeve, an end cover for limiting the axial position of the outer sleeve and the inner sleeve is arranged on one side, far away from a bearing seat, of the inner sleeve, a bearing temperature detection sensor and an environment temperature detection sensor are respectively arranged on the end face of the inner sleeve along the axial direction of the inner sleeve, the bearing temperature detection sensor is arranged close to the detected bearing and used for detecting the temperature of the detected bearing, and the environment temperature detection sensor is arranged close to the annular groove and used for detecting the temperature of the high-temperature medium;
The medium pump is characterized in that one side of the annular groove, which is close to the end cover, is symmetrically provided with medium through holes along the axial direction on the inner sleeve, the end cover is provided with pipe through holes communicated with the medium through holes at corresponding positions, each medium through hole is communicated with a medium pipe, the other end of each medium pipe penetrates through the corresponding pipe through hole and then is communicated with equipment for producing high-temperature medium, and a medium pump and a flow control valve are sequentially arranged on one medium pipe.
Further, a linear bearing is arranged between the outer sleeve and the mounting ring.
Further, a pre-tightening spring is arranged between the end cover and the outer sleeve.
In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:
1. According to the utility model, the inner sleeve and the outer sleeve are sequentially sleeved outside the detected bearing, a closed cavity for accommodating high-temperature medium is formed between the inner sleeve and the outer sleeve, the closed cavity is communicated with equipment for generating the high-temperature medium through a medium pipe, the high-temperature medium is conveyed through a medium pump, and the flow of the high-temperature medium entering the closed cavity is controlled through a flow control valve, so that the environment temperatures of the two detected bearings are consistent, and the accuracy of a measurement result is ensured;
2. According to the utility model, the linear bearing is arranged between the outer sleeve and the mounting ring, the pre-tightening spring is arranged between the end cover and the outer sleeve, the pre-tightening spring can exert pre-tightening force on the tested bearing through the end cover, the linear bearing plays a role in guiding, and the pre-tightening force of the pre-tightening spring is ensured to be smoothly exerted on the tested bearing.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
Fig. 3 is a partial enlarged view at a in fig. 2.
Reference numerals illustrate:
1. A base; 2. a bearing to be measured; 3. a mounting ring; 4. an electric spindle; 5. a bearing seat; 6. a bearing; 7. a main shaft; 8. detecting a tool; 81. a jacket; 82. an end cap; 83. an annular groove; 84. an inner sleeve; 85. a bearing temperature detection sensor; 86. a dielectric via; 87. an ambient temperature detection sensor; 88. a tube through hole; 9. a linear bearing; 10. a pre-tightening spring; 12. a medium pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Fig. 1-3 show: the utility model provides a bearing test fixture that can control ambient temperature, includes base 1, and collar 3 and electric main shaft 4 are installed to base 1 top coaxial, installs bearing frame 5 in the collar 3, installs spindle 7 in the bearing frame 5, is provided with bearing 6 between spindle 7 and the bearing frame 5, and bearing 6 bilateral symmetry sets up the detection frock 8 that is used for installing the measured bearing 2.
The detection tool 8 comprises an inner sleeve 84 concentrically arranged on the outer side of the detected bearing 2, an outer sleeve 81 is concentrically arranged on the outer side of the inner sleeve 84, an annular groove 83 is formed in the outer wall of the inner sleeve 84, a closed cavity for introducing high-temperature medium is formed between the annular groove 83 and the inner wall of the outer sleeve 81, an end cover 82 for limiting the axial position of the outer sleeve 81 and the inner sleeve 84 is arranged on one side, far away from the bearing seat 5, of the inner sleeve 84, a bearing temperature detection sensor 85 and an environment temperature detection sensor 87 are respectively arranged on the end face of the inner sleeve 84 along the axial direction of the inner sleeve, the bearing temperature detection sensor 85 is arranged close to the detected bearing 2 and used for detecting the temperature of the detected bearing 2, and the environment temperature detection sensor 87 is arranged close to the annular groove 83 and used for detecting the temperature of the high-temperature medium.
Medium through holes 86 are symmetrically formed in the inner sleeve 84 along the axial direction on one side of the annular groove 83, which is close to the end cover 82, tube through holes 88 communicated with the medium through holes 86 are formed in the end cover 82 at corresponding positions, each medium through hole 86 is communicated with a medium tube 12, the other end of each medium tube 12 passes through the corresponding tube through hole 88 and then is communicated with equipment for producing high-temperature medium, and a medium pump and a flow control valve are sequentially arranged on one medium tube 12.
The electric spindle 4 drags the spindle 7 to rotate, the bearing seat 5 installed in the middle of the mounting ring 3 is used for supporting the spindle 7, the two ends of the spindle 7 are respectively provided with a detection tool 8 for limiting the high temperature medium to be detected 2, a closed cavity for introducing the high temperature medium is formed between an annular groove 83 in the detection tool 8 and the inner wall of an outer sleeve 81, the closed container is communicated with equipment for generating the high temperature medium through a medium pipe 12, the high temperature medium is pumped into the closed cavity through a medium pump, so that the aim of high temperature test is fulfilled, wherein the detected bearing 2 near one side of the electric spindle 4 is influenced by heat dissipation gas of the electric spindle 4, so that the environmental temperature is higher, the flow of the high temperature medium entering the closed cavity is controlled through a flow control valve according to environmental temperature data detected by an environmental temperature detection sensor 87, so that the environmental temperature of the high temperature medium to be detected 2 at two sides is consistent, and the medium pipe 12 is provided with a flow control valve, a set of equipment for generating the high temperature medium can be used, and only the equipment for generating the high temperature medium is needed to be independently prepared for each set of the detection tool 8, so that the flow can enter the closed cavity is controlled.
Example 2
This embodiment differs from embodiment 1 in that: a linear bearing 9 is arranged between the outer sleeve 81 and the mounting ring 3, and a pre-tightening spring 10 is arranged between the end cover 82 and the outer sleeve 81.
The pre-tightening spring 10 can exert pre-tightening force on the detected bearing 2 through the end cover 82, and the linear bearing 9 plays a role in guiding, so that the pre-tightening force of the pre-tightening spring 10 is ensured to be smoothly exerted on the detected bearing 2.
Claims (3)
1. The bearing testing tool capable of controlling the ambient temperature is characterized by comprising a base (1), wherein a mounting ring (3) and an electric spindle (4) are coaxially arranged above the base (1), a bearing seat (5) is arranged in the mounting ring (3), a spindle (7) is arranged in the bearing seat (5), a bearing (6) is arranged between the spindle (7) and the bearing seat (5), and detection tools (8) for installing the detected bearing (2) are symmetrically arranged on two sides of the bearing (6);
The detection tool (8) comprises an inner sleeve (84) concentrically arranged on the outer side of the detected bearing (2), an outer sleeve (81) is concentrically arranged on the outer side of the inner sleeve (84), an annular groove (83) is formed in the outer wall of the inner sleeve (84), a closed cavity for introducing high-temperature media is formed between the annular groove (83) and the inner wall of the outer sleeve (81), an end cover (82) for limiting the axial position of the outer sleeve (81) and one side of the inner sleeve (84) far away from the bearing seat (5) is arranged, a bearing temperature detection sensor (85) and an environment temperature detection sensor (87) are respectively arranged on the end face of the inner sleeve (84) along the axial direction of the inner sleeve, the bearing temperature detection sensor (85) is arranged close to the detected bearing (2) and used for detecting the temperature of the detected bearing (2), and the environment temperature detection sensor (87) is arranged close to the annular groove (83) and used for detecting the temperature of the high-temperature media;
One side of the annular groove (83) close to the end cover (82) is symmetrically provided with medium through holes (86) along the axial direction on the inner sleeve (84), the end cover (82) is provided with pipe through holes (88) communicated with the medium through holes (86) at corresponding positions, each medium through hole (86) is communicated with a medium pipe (12), the other end of each medium pipe (12) penetrates through the corresponding pipe through hole (88) and then is communicated with equipment for producing high-temperature medium, and a medium pump and a flow control valve are sequentially arranged on one medium pipe (12).
2. The bearing testing tool capable of controlling the ambient temperature according to claim 1, wherein: a linear bearing (9) is arranged between the outer sleeve (81) and the mounting ring (3).
3. The bearing testing tool capable of controlling the ambient temperature according to claim 1, wherein: a pre-tightening spring (10) is arranged between the end cover (82) and the outer sleeve (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832405.9U CN221038017U (en) | 2023-10-23 | 2023-10-23 | Bearing test fixture capable of controlling ambient temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832405.9U CN221038017U (en) | 2023-10-23 | 2023-10-23 | Bearing test fixture capable of controlling ambient temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038017U true CN221038017U (en) | 2024-05-28 |
Family
ID=91170183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322832405.9U Active CN221038017U (en) | 2023-10-23 | 2023-10-23 | Bearing test fixture capable of controlling ambient temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038017U (en) |
-
2023
- 2023-10-23 CN CN202322832405.9U patent/CN221038017U/en active Active
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