CN208751864U - Structure of controlling temperature for bearing tester - Google Patents
Structure of controlling temperature for bearing tester Download PDFInfo
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- CN208751864U CN208751864U CN201821301090.8U CN201821301090U CN208751864U CN 208751864 U CN208751864 U CN 208751864U CN 201821301090 U CN201821301090 U CN 201821301090U CN 208751864 U CN208751864 U CN 208751864U
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- bearing
- sleeve
- bearing assembly
- axle sleeve
- tester
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Abstract
The utility model provides a kind of structure of controlling temperature for bearing tester, belongs to technical field of bearings.Including the bearing assembly being set on main shaft, axle sleeve is arranged with outside bearing assembly, the axle sleeve is equipped with the temperature control mechanism that can be heated and be cooled down to bearing assembly.The utility model can be cooled down or be heated to bearing assembly, to make bearing work within the scope of certain temperature, convenient for the expansion of subsequent bearing test job.
Description
Technical field
The utility model belongs to technical field of bearings, is related to a kind of structure of controlling temperature for bearing tester.
Background technique
It is well known that needing to be arranged bearing outside main shaft, when main shaft is in high-speed motion, bearing can generate temperature rise, bearing
Precision can also change therewith, be reacted to main shaft be main shaft displacement generate variation such as rotary jumping, the performance of bearing and
Reliability is the most important performance indicator of bearing, and for bearing after working long hours, bearing rigidity can generate variation, especially axis
The inner ring and outer ring held can deformation occurs, and being reacted directly on main shaft is that main shaft generates displacement, if displacement variable is beyond just
Often specified range, then be considered as bearing and scrap, need replacing.
The working life of bearing, related to the revolving speed of bearing and operating temperature, revolving speed is determined by main shaft, can be by adjusting
The revolving speed of main shaft controls the revolving speed of bearing, the speed of the speed of mainshaft and the dynamics of penetration of a cutting tool, and the temperature that will lead to bearing rises, because
This rotates bearing within the scope of certain temperature during the test, thus obtain bearing in a certain revolving speed, certain
Service life in one temperature range becomes the key factor of bearing test.
The temperature control mechanism that the prior art usually only cools to axle sleeve, this results in needing bearing during test
When simulating operating condition at relatively high temperatures, it is unable to get the condition of test.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of structure of controlling temperature for bearing tester.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of structure of controlling temperature for bearing tester, including the bearing assembly being set on main shaft, bearing assembly housing
Equipped with axle sleeve, the axle sleeve is equipped with the temperature control mechanism that can be heated and be cooled down to bearing assembly.
In the above-mentioned structure of controlling temperature for bearing tester, the temperature control mechanism include be located at axle sleeve in and bearing
The position of component is corresponding and can be passed through the cooling component of cooling medium, and the heating component in axle sleeve.
In the above-mentioned structure of controlling temperature for bearing tester, the cooling component includes a pair of with bearing assembly one
The cooling bath answered, the axle sleeve are equipped with cooling medium runner, and cooling medium runner connects cooling bath, the heating component
Including the heating chamber being located in axle sleeve, heating rod is equipped in the heating chamber.
In the above-mentioned structure of controlling temperature for bearing tester, the axle sleeve includes being set in outside bearing assembly
Bearing fixing sleeve, and it is set in the sleeve outside bearing fixing sleeve, it surrounds to form cooling bath between bearing fixing sleeve and sleeve,
Heating chamber is located in sleeve.
In the above-mentioned structure of controlling temperature for bearing tester, the cooling medium runner is located in sleeve, heating
Chamber has several and along the circumferentially-spaced uniform arrangement of main shaft.
In the above-mentioned structure of controlling temperature for bearing tester, there are two bearing assemblies and is located at the both ends of main shaft, often
A bearing assembly includes several spaced bearings, bearing assembly further include several with the bearing on bearing assembly one by one
Corresponding temperature sensor.
In the above-mentioned structure of controlling temperature for bearing tester, the heating chamber is located between two bearing assemblies,
Bearing fixing sleeve is inserted into sleeve and connects and fixes with sleeve.
In the above-mentioned structure of controlling temperature for bearing tester, the temperature sensor sequentially passes through sleeve and bearing
It is corresponding with the outer ring of the bearing on bearing assembly after fixing sleeve.
In the above-mentioned structure of controlling temperature for bearing tester, the bush outer sleeve is equipped with fuselage, the fuselage
It is fixedly connected with sleeve, the axle sleeve cooling chamber that can be passed through cooling medium is equipped between sleeve and fuselage.
In the above-mentioned structure of controlling temperature for bearing tester, the sleeve assembly close to main shaft working end is equipped with displacement
Sensor.
Compared with prior art, utility model has the advantages that
Bearing assembly can be cooled down or be heated, to make bearing work within the scope of certain temperature, just
In the expansion of subsequent bearing test job.
It, can be with the precision retention time of test bearing or service life by displacement sensor.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: main shaft 1, bearing assembly 2, axle sleeve 3, temperature control mechanism 4, cooling component 5, heating component 6, cooling bath 7, cooling
Medium runner 8, heating chamber 9, heating rod 10, bearing fixing sleeve 11, sleeve 12, temperature sensor 13, fuselage 14, axle sleeve cooling chamber
15, displacement sensor 16, driver 100.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of structure of controlling temperature for bearing tester, including the bearing assembly 2 being set on main shaft 1,
Bearing assembly 2 at least one, preferably 2 or more, bearing assembly 2 includes several bearings, the inner ring of bearing and main shaft 1
It is fixed, it is rotated synchronously with main shaft, axle sleeve 3 is arranged with outside bearing assembly 2, the outer ring of bearing and axle sleeve 3 are fixed, the axle sleeve 3
It is equipped with the temperature control mechanism 4 that can bearing assembly 2 heated and be cooled down, at least one bearing assembly 2 is equipped with displacement sensing
Device 16.
After working long hours, shape can occur bearing for the inner ring and outer ring that bearing rigidity can generate variation, especially bearing
Become, being reacted directly on main shaft is that main shaft generates displacement, if displacement variable exceeds the range of normal rating, is considered as bearing
It scraps, needs replacing.
The working life of bearing, related to the revolving speed of bearing and operating temperature, revolving speed is determined by main shaft, can be by adjusting
The revolving speed of main shaft controls the revolving speed of bearing, the speed of the speed of mainshaft and the dynamics of penetration of a cutting tool, and the temperature that will lead to bearing rises, because
This rotates bearing within the scope of certain temperature during the test, thus obtain bearing in a certain revolving speed, certain
Service life in one temperature range becomes the key factor of bearing test.
The temperature control mechanism that the prior art usually only cools to axle sleeve, this results in needing bearing during test
When simulating operating condition at relatively high temperatures, it is unable to get the condition of test.
In the present embodiment, temperature control mechanism 4 has the function of to cool and heat two kinds, therefore bearing may be implemented at high temperature
The dual function heated when cooling and low temperature in a certain range by the working temperature constant of bearing obtains in the temperature range
The bearing working time, thus the working life of test bearing or precision retention time.
Temperature control mechanism 4 can be is arranged cooling trough on axle sleeve 3, and cooling trough can be spiral shape, in cooling trough
In be passed through cooling water or cooling oil, cool down to bearing, in order to play heat effect, heating can also be set on axle sleeve 3
Device, such as heater strip, heating rod, thermal resistance etc. heat axle sleeve, are transmitted by the heat of axle sleeve, give bearing heating indirectly,
In the present embodiment, temperature control mechanism 4 includes being located at corresponding with the position of bearing assembly 2 in axle sleeve 3 and capable of being passed through cooling medium
Cooling component 5, and the heating component 6 in axle sleeve 3.
Specifically, cooling component 5 include with the one-to-one cooling bath 7 of bearing assembly 2, that is, cooling bath 7 directly it is right
Bearing assembly 2 cools down, and the axle sleeve 3 is equipped with cooling medium runner 8, and cooling medium runner 8 connects cooling bath 7, cooling to be situated between
Mass flow road 8 can be connected to cooling medium charging pump by conveyance conduit, and it is cold that cooling medium charging pump, which connects cooling medium storage tank,
But slot 7 provides cooling medium, and cooling medium can be water or oil, and in the present embodiment, cooling bath 7 is also connected to return line, returns
Flow tube road can be set on axle sleeve, form cooling medium circuit, and cooling medium circuit is common knowledge, and details are not described herein again.
Heating component 6 includes the heating chamber 9 in axle sleeve 3, is equipped with heating rod 10, heating rod in the heating chamber 9
10 can be heater strip or thermal resistance etc., i.e. the component of electricity consumption fever, heating rod 10 heats axle sleeve 3, and axle sleeve 3 passes through heat
Bearing assembly 2 is heated in transmitting, keeps the temperature of bearing assembly above-mentioned.
By the mutual cooperation of cooling component 5 and heating component 6, heating and cooling treatment can be carried out to bearing assembly 2,
Keep the temperature of bearing assembly 2 in a certain range.
Axle sleeve can be columnar structured, and in the present embodiment, axle sleeve 3 includes being set in bearing outside bearing assembly 2
Fixing sleeve 11, and it is set in the sleeve 12 outside bearing fixing sleeve 11, it surrounds to be formed between bearing fixing sleeve 11 and sleeve 12
Cooling bath 7, heating chamber 9 are located in sleeve 12.Cooling medium runner 8 is located in sleeve 12, and heating chamber 9 has several and along main shaft
1 circumferentially-spaced uniform arrangement.
In the present embodiment, the both ends there are two bearing assemblies 2 and positioned at main shaft 1, each bearing assembly 2 include several
Spaced bearing, bearing assembly 2 further include several and the one-to-one temperature sensor of bearing on bearing assembly 2
13.Temperature sensor 13 is the prior art, can use thermoelectricity occasionally infrared temperature sensor 13, be commercial product.It is preferred that
Scheme, temperature sensor 13 sequentially pass through opposite with the outer ring of bearing on bearing assembly 2 after sleeve 12 and bearing fixing sleeve 11
It answers, so as to directly obtain the temperature of bearing outer ring, directly reacts the temperature regime of bearing assembly 2, temperature test is direct, quasi-
Really.
Heating chamber 9 is located between two bearing assemblies 2, and bearing fixing sleeve 11 is inserted into sleeve 12 and is clamped with sleeve 12
It is fixed.Specifically, positioning step can be equipped on sleeve 12, bearing fixing sleeve 11 is inserted into sleeve 12 and positioning step
Against, then fixed by bolt part.Bearing fixing sleeve 11 is fixedly connected with bearing outer ring.
Fuselage 14 is arranged with outside sleeve 12, the fuselage 14 is fixedly connected with sleeve 12, sleeve 12 and fuselage 14 it
Between be equipped with and can be passed through the axle sleeve cooling chamber 15 of cooling medium, axle sleeve cooling chamber 15 drops axle sleeve for cooling down to axle sleeve 3
Temperature, namely when heating component 6 is excessively high to axle sleeve heating temperature, axle sleeve is cooled down rapidly, axle sleeve cooling chamber 15 equally may be used
To connect cooling medium power supply unit by pipeline, the principle is with the principle of cooling bath 7, and details are not described herein again.
Due to bearing assembly 2 there are two or more, in the present embodiment, close to 1 working end of main shaft sleeve assembly on set
There is displacement sensor 16.1 working end of main shaft of the present embodiment meaning refers to main shaft laboriously one end, namely far from driver 100
One end, driver connect with main shaft 1.Preferred embodiment, the both ends of main shaft are equipped with displacement sensor 16, are passed by two displacements
The data of sensor 16 compare, it can be determined that the gradient of main shaft 1.
It will be appreciated by those skilled in the art that displacement sensor is the prior art, commercial product can be used.
The present embodiment at work, by cooling bath 7 directly cools down to bearing assembly 2, passes through the heat of heating rod 10
Transmitting cools down indirectly to bearing assembly 2, with temperature sensor 13 to bearing direct temperature measurement, to control bearing assembly 2
Temperature makes bearing work within the temperature range of restriction, and the control by driver 100 to 1 revolving speed of main shaft makes bearing certain
It works under revolving speed, in certain temperature range, the operating accuracy of main shaft 1 and bearing assembly 2 is judged by displacement sensor 16, from
And judge the service life of precision retention time or bearing of the bearing assembly 2 under the conditions of the revolving speed and temperature.
The driver 100 of the present embodiment meaning, can be hydraulic motor or motor.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although main shaft 1, bearing assembly 2, axle sleeve 3, temperature control mechanism 4, cooling component 5, heating group is used more herein
Part 6, cooling bath 7, cooling medium runner 8, heating chamber 9, heating rod 10, bearing fixing sleeve 11, sleeve 12, temperature sensor 13,
The terms such as fuselage 14, axle sleeve cooling chamber 15, displacement sensor 16, driver 100, but the possibility using other terms is not precluded
Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention, is construed as any
The additional limitation of one kind is all contrary to the spirit of the present invention.
Claims (10)
1. a kind of structure of controlling temperature for bearing tester, including the bearing assembly (2) being set on main shaft (1), bearing assembly
(2) axle sleeve (3) are arranged with outside, which is characterized in that the axle sleeve (3), which is equipped with, can carry out bearing assembly (2) to add hot and cold
But temperature control mechanism (4).
2. the structure of controlling temperature according to claim 1 for bearing tester, which is characterized in that the temperature control mechanism
It (4) include being located at corresponding with the position of bearing assembly (2) in axle sleeve (3) and capable of being passed through the cooling component of cooling medium (5), with
And it is located at the heating component (6) in axle sleeve (3).
3. the structure of controlling temperature according to claim 2 for bearing tester, which is characterized in that the cooling component
It (5) include that cooling bath (7), the axle sleeve (3) are cold equipped with cooling medium runner (8) correspondingly with bearing assembly (2)
But medium runner (8) connection cooling bath (7), the heating component (6) includes the heating chamber (9) in axle sleeve (3), described
Heating chamber (9) in be equipped with heating rod (10).
4. the structure of controlling temperature according to claim 3 for bearing tester, which is characterized in that axle sleeve (3) packet
It includes and is set in the external bearing fixing sleeve (11) of bearing assembly (2), and be set in the external sleeve of bearing fixing sleeve (11)
(12), it surrounds to be formed cooling bath (7) between bearing fixing sleeve (11) and sleeve (12), heating chamber (9) is located in sleeve (12).
5. the structure of controlling temperature according to claim 4 for bearing tester, which is characterized in that the cooling medium stream
Road (8) is located in sleeve (12), and heating chamber (9) has several and along the circumferentially-spaced uniform arrangement of main shaft (1).
6. the structure of controlling temperature according to claim 5 for bearing tester, which is characterized in that bearing assembly (2) has two
Both ends that are a and being located at main shaft (1), each bearing assembly (2) includes several spaced bearings, and bearing assembly (2) also wraps
Include several and the one-to-one temperature sensor of bearing (13) on bearing assembly (2).
7. the structure of controlling temperature according to claim 6 for bearing tester, which is characterized in that the heating chamber (9)
Between two bearing assemblies (2), bearing fixing sleeve (11) is inserted into sleeve (12) and connects and fixes with sleeve (12).
8. the structure of controlling temperature according to claim 6 for bearing tester, which is characterized in that the temperature sensor
(13) it sequentially passes through sleeve (12) and bearing fixing sleeve (11) is corresponding with the outer ring of bearing on bearing assembly (2) afterwards.
9. the structure of controlling temperature according to claim 4 for bearing tester, which is characterized in that the sleeve (12) is outside
It is arranged with fuselage (14), the fuselage (14) is fixedly connected with sleeve (12), is equipped between sleeve (12) and fuselage (14)
The axle sleeve cooling chamber (15) of cooling medium can be passed through.
10. the structure of controlling temperature according to claim 6 for bearing tester, which is characterized in that work close to main shaft (1)
The sleeve assembly () at end is equipped with displacement sensor (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301090.8U CN208751864U (en) | 2018-08-13 | 2018-08-13 | Structure of controlling temperature for bearing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301090.8U CN208751864U (en) | 2018-08-13 | 2018-08-13 | Structure of controlling temperature for bearing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208751864U true CN208751864U (en) | 2019-04-16 |
Family
ID=66079352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821301090.8U Active CN208751864U (en) | 2018-08-13 | 2018-08-13 | Structure of controlling temperature for bearing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208751864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044617A (en) * | 2019-04-23 | 2019-07-23 | 宁波梦创信息科技有限公司 | One kind being used for sample bearing performance test equipment |
-
2018
- 2018-08-13 CN CN201821301090.8U patent/CN208751864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044617A (en) * | 2019-04-23 | 2019-07-23 | 宁波梦创信息科技有限公司 | One kind being used for sample bearing performance test equipment |
| CN110044617B (en) * | 2019-04-23 | 2021-02-09 | 宁波梦创信息科技有限公司 | Be used for sample bearing capability test equipment |
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