CN112345246B - Test die mechanism of rolling bearing and use method thereof - Google Patents
Test die mechanism of rolling bearing and use method thereof Download PDFInfo
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- CN112345246B CN112345246B CN202011374107.4A CN202011374107A CN112345246B CN 112345246 B CN112345246 B CN 112345246B CN 202011374107 A CN202011374107 A CN 202011374107A CN 112345246 B CN112345246 B CN 112345246B
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000005096 rolling process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 16
- 230000009471 action Effects 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003756 stirring Methods 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
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
公开了一种用于偏斜滚动轴承的测试模具机构，该测试模具机构包括壳体组件，壳体组件内设有框架组件，框架组件包括上板和下板，框架组件上装配有动作组件，动作组件集成了主要的测试区域，动作组件装配在负载套筒上，负载套筒与直线驱动装置装配，直线驱动装置的下方设有重量传感器，重量传感器下方设有扭矩传感器，直线驱动装置产生直线运动的动作或者趋势，从而使得整个框架组件产生沿着直线运动的动作或者趋势，从而使得框架组件的上板或下板产生冲击负载力，继而使得重量传感器进行测量，框架组件的旋转或者旋转趋势也使得扭矩传感器进行测量，该测试模具机构具有高效、可靠、稳定、精确地运行的特点。
Disclosed is a test mold mechanism for skew rolling bearings, the test mold mechanism includes a shell assembly, a frame assembly is arranged in the shell assembly, the frame assembly includes an upper plate and a lower plate, an action assembly is assembled on the frame assembly, and an action assembly is provided on the frame assembly. The assembly integrates the main test area, the action assembly is assembled on the load sleeve, the load sleeve is assembled with the linear drive device, a weight sensor is arranged under the linear drive device, and a torque sensor is arranged under the weight sensor, and the linear drive device generates linear motion The movement or trend of the frame assembly causes the entire frame assembly to move along a straight line, so that the upper or lower plate of the frame assembly generates an impact load force, and then the weight sensor is measured, and the rotation or rotation trend of the frame assembly is also The torque sensor is used for measurement, and the test die mechanism has the characteristics of efficient, reliable, stable and precise operation.
Description
Technical Field
The invention relates to the field of jig devices, in particular to a test die mechanism of a rolling bearing and a using method thereof.
Background
As is known, a bearing is an important part in the field of engineering equipment, and its main function is to support a mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation precision. The rolling bearings are widely used, among them, the cylindrical roller bearing has the advantages of small radial dimension, simple structure, large bearing capacity and the like, so that the roller bearing becomes an important part in the field of mechanical industry, for the rolling bearing in a standard normal state, the load and torque change is relatively uniform, but the roller bearing generally operates under working conditions of deviation, skew and the like due to installation errors, thermal deformation, geometrical defects and the like, wherein the roller contact pair is in a skew state due to the deformation of a shaft, the misalignment of the center of the bearing, the radial play of the bearing and the like, so that the bearing fails early, and the engineering use is seriously affected.
In fact, the research on the skew roller bearing still exists in theoretical research at present, and related equipment for detecting the load and torque conditions in the actual working process of the skew roller bearing is not common or the related equipment is relatively complex and has high cost, so that a novel testing mold mechanism capable of efficiently, reliably, stably and accurately testing the skew roller bearing is urgently needed to solve the problem.
Disclosure of Invention
Accordingly, in view of the disadvantages in the related art, examples of the present invention are provided to substantially solve one or more problems due to limitations and disadvantages of the related art, to substantially improve safety and reliability, and to effectively protect equipment.
According to the technical scheme provided by the invention, the testing die mechanism of the rolling bearing comprises a shell assembly, wherein a frame assembly is arranged in the shell assembly, the frame assembly comprises an upper plate and a lower plate, an upper plate flange is connected below the upper plate, an action assembly is assembled on the frame assembly and comprises a main shaft, the main shaft is assembled on the upper plate, penetrates through the upper plate and an upper shell of the shell assembly and is connected with a driving end cover, a flange is formed on the main shaft, the lower part of the main shaft is assembled in a load sleeve, an upper standard bearing is assembled between the main shaft and the upper plate, a lower standard bearing is assembled between the main shaft and the load sleeve, a middle standard bearing is assembled above the flange, a tested deflection roller bearing is assembled below the flange, the load sleeve comprises a sleeve main body, a sleeve shell is arranged on the sleeve main body, and the sleeve main body is assembled with a linear driving device, the lower side of the linear driving device is provided with a weight sensor, the weight sensor is connected with a lower plate, the lower plate surface of the lower plate is connected with a torque sensor, the lower side of the torque sensor is connected with a sensor auxiliary plate, the sensor auxiliary plate is connected with a lower carrier, the lower carrier is connected onto a lower shell of the shell assembly, the shell assembly is internally provided with a greenhouse box, the greenhouse box is assembled above the frame assembly, and the greenhouse box can contain the inclined roller bearing in the range of the box body of the greenhouse box.
Furthermore, an upper stop push plate is assembled between the middle standard bearing and the upper plate flange, and a lower thrust plate is assembled between the deflection roller bearing and the load sleeve.
A first support plate is further arranged between the linear driving device and the weight sensor, the weight sensor is connected with the lower plate surface of the first support plate, and a sheath is further arranged on the weight sensor.
Further, linear drive device includes ball screw, is equipped with the driving-disc on the ball screw, and the driving-disc links to each other with the sleeve main part, and the head end of ball screw stretches into the interior chamber of sleeve main part, and linear drive device still is equipped with driving motor, and driving motor connects on the motor board, and the plate electrode links to each other with the last face of first support plate.
Furthermore, the sensor auxiliary plate is provided with at least two sliding holes, the lower carrier comprises a lower carrier plate, the number of sliding columns which is equal to the number of the sliding holes are arranged on the lower carrier plate, and the sliding columns are matched with the sliding holes.
Further, the driving end is covered and is provided with an end cover head, the end cover head can be matched with the driving piece, and the driving piece is an electric tool.
Furthermore, at least one side plate of the greenhouse box is provided with a vent, and the inner wall of the side plate of the greenhouse box is also provided with a temperature sensor.
Furthermore, a connecting column is arranged between the upper shell and the lower shell of the shell assembly, and reinforcing plates are arranged among the upper shell, the lower shell and the connecting column and made of metal plates or wood plates.
Further, the number of weight sensor and torque sensor measurements is recorded by the end system, which is a PC.
The invention provides a test die mechanism for a deflection rolling bearing, which comprises a shell assembly, wherein a frame assembly is arranged in the shell assembly, the frame assembly comprises an upper plate and a lower plate, an action assembly is assembled on the frame assembly, the action assembly integrates a main test area, the action assembly is assembled on a load sleeve, the load sleeve is assembled with a linear driving device, a weight sensor is arranged below the linear driving device, a torque sensor is arranged below the weight sensor, the linear driving device generates linear motion action or trend, so that the whole frame assembly generates action or trend along the linear motion, the upper plate or the lower plate of the frame assembly generates impact load force, the weight sensor is further used for measuring, the rotation or rotation trend of the frame assembly also enables the torque sensor to measure, the testing die mechanism has the characteristics of high efficiency, reliability, stability and accurate operation.
Drawings
Fig. 1 is a general schematic diagram of a rolling bearing testing die mechanism of the invention.
FIG. 2 is a schematic view of the rolling bearing test mold mechanism of the present invention.
FIG. 3 is a schematic view of the invention taken along line A-A of FIG. 2.
Fig. 4 is an assembly schematic diagram of the rolling bearing testing die mechanism of the invention.
Fig. 5 is an overall schematic view of the housing assembly of the present invention.
Fig. 6 is a schematic view of the assembly of the housing assembly of the present invention.
Fig. 7 is a schematic view of the incubator assembly of the present invention.
Fig. 8 is an overall schematic view of the working parts of the present invention.
Fig. 9 is a schematic view of the assembly of the working components of the present invention.
Fig. 10 is an overall schematic view of the load sleeve of the present invention.
Fig. 11 is a schematic view of the load sleeve assembly of the present invention.
Fig. 12 is a schematic view of the entire download body of the present invention.
Fig. 13 is a schematic view of the assembly of the lower carrier of the present invention.
Fig. 14 is an assembly view of the upper plate member of the present invention.
Fig. 15 is an overall schematic view of the spindle of the present invention.
FIG. 16 is a schematic view of the spindle of the present invention from a different perspective.
FIG. 17 is a schematic diagram of a test interval according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention. The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
The test die mechanism of the rolling bearing is used for testing the load and the torque, and the measured values can refer to the working state of the inclined roller bearing.
The invention relates to a test die mechanism of a rolling bearing, which comprises a shell component 1, wherein the shell component 1 is used as a support for assembling the whole mechanism, the shell component 1 comprises an upper shell and a lower shell, a connecting column is arranged between the upper shell and the lower shell of the shell component 1, reinforcing plates are arranged among the upper shell, the lower shell and the connecting column, the reinforcing plates are made of metal plates or wood plates, and the shell component 1 is connected through bolts, is easy to assemble and also plays a role in stabilizing the whole mechanism.
The frame component 2 is arranged in the shell component 1, the frame component 2 comprises an upper plate 2-1 and a lower plate 2-2, the frame component 2 of the invention is used for providing axial load through the upper plate 2-1 or the lower plate 2-2 under the condition of axial linear movement or movement tendency, a lateral plate is connected between the upper plate 2-1 and the lower plate 2-2 for stabilizing the whole frame component 2, the area in the frame component 2 forms a core area for working of a test mold mechanism of the rolling bearing of the invention, it is required to be noted that an upper plate flange is connected below the upper plate 2-1, the upper plate flange is connected with the upper plate 2-1 through trapezoidal bolts, the components in the whole frame component 2 are tightly assembled, and the components in the area in the frame component 2 are basically not subjected to upward movement displacement due to the existence of the upper plate flange, the amplitude, if any, is very small or negligible, and therefore the upper plate 2-1 is able to receive all axial impact loads.
The frame component 2 is provided with an action component 3, the action component 3 forms a core working part of the testing die mechanism of the rolling bearing of the invention, for the action component 3, the main shaft 3-1 is included, the main shaft 3-1 is assembled on the upper plate 2-1, penetrates out of the upper plate 2-1 and the upper shell of the shell component 1 and is connected with the driving end cover 4, a flange is formed on the main shaft 3-1, the flange plays an important role, not only provides a foundation for the assembling tightness degree of parts on the whole main shaft 3-1, but also plays a role of transmitting axial load, a testing area is arranged on the main shaft 3-1, the test area referred to here also forms the test interval of the skewed roller bearing to be tested according to the invention, and for the test area according to the invention it mainly comprises: the lower part of a main shaft 3-1 is assembled in a load sleeve 5, an upper standard bearing 3-2 is assembled between the main shaft 3-1 and an upper plate 2-1, a lower standard bearing 3-3 is assembled between the main shaft 3-1 and the load sleeve 5, a middle standard bearing 3-4 is assembled above a flange, a tested deflection roller bearing 3-5 is assembled below the flange, an upper stop push plate 3-6 is assembled between the middle standard bearing 3-4 and the upper plate flange for testing the stability of the assembly of an area, a lower thrust plate 3-7 is assembled between the deflection roller bearing 3-5 and the load sleeve 5, the upper stop push plate 3-6 and the lower thrust plate 3-7 and parts positioned between the upper stop push plate 3-6 and the lower thrust plate 3-7 form a structure similar to a sandwich, and due to the tightness of the assembly, during the work under different working conditions, so that the skewed roller bearings 3-5 are pressed against the flange part, which results in friction variations that will also be accurately measured by the torque sensor, and in any case the assembly over the whole test interval ensures a precise degree of the measurement process.
The driving end cover 4 is arranged on the upper shell of the shell assembly 1, in order to further facilitate the assembly of the driving end cover 4, an upper cover plate is further arranged between the driving end cover 4 and the upper shell of the shell assembly 1, an end cover head is arranged on the driving end cover 4 and can be matched with a driving piece, the driving piece is an electric tool, the electric tool can be matched with the end cover head when working, and after the electric tool is started, the main shaft 3-1 can be rotated or has a rotating trend after the driving end cover 4 acts.
The load sleeve 5 comprises a sleeve main body 5-1, assembly chamber spaces are arranged above and below the sleeve main body 5-1, the lower part of the main shaft 3-1 and the lower standard bearing 3-3 are assembled in the assembly chamber above the sleeve main body 5-1, in order to further improve the assembly stability, a gasket is further arranged above the lower standard bearing 3-3, the lower chamber of the sleeve main body 5-1 is used for providing a space for a ball screw of the linear driving device 6, the sleeve main body 5-1 plays a role of 'bearing up and down', a sleeve shell 5-2 is arranged on the sleeve main body 5-1, and the sleeve shell 5-2 also has an assembly relation with a test area, so that the working stability of the test area of the whole main shaft 3-1 is ensured.
The sleeve main body 5-1 is assembled with the linear driving device 6, the linear driving device 6 comprises a ball screw, a driving disc is assembled on the ball screw and connected with the sleeve main body 5-1, the head end of the ball screw extends into the inner cavity below the sleeve main body 5-1, the linear driving device 6 is further provided with a driving motor for standby, and the driving motor is connected to a motor plate.
A weight sensor 7 is arranged below the linear driving device 6, the weight sensor 7 is connected with the lower plate 2-2, in order to improve the stability of assembly and ensure the accuracy of force transmission, a first carrier plate is further arranged between the linear driving device 6 and the weight sensor 7, a motor plate of the linear driving device 6 is connected with the upper plate surface of the first carrier plate, the weight sensor 7 is connected with the lower plate surface of the first carrier plate, and a protective sleeve is further arranged on the weight sensor and plays a role in protecting the weight sensor.
When rotation occurs or a rotation trend exists, a driving disc on a ball screw of the linear driving device 6 can linearly displace on the ball screw or has a linear displacement trend, so that a component on a shaft system of the main shaft 3-1 has a motion or a trend along linear motion, the whole frame assembly generates the motion or the trend along linear motion, an impact load force is generated on an upper plate or a lower plate of the frame assembly, and then the weight sensor performs a measurement motion.
The lower plate surface of the lower plate 2-2 is connected with a torque sensor 8, a sensor auxiliary plate 9 is connected below the torque sensor 8, the sensor auxiliary plate 9 is connected with a lower carrier 10, the lower carrier 10 is connected on the lower shell of the shell component 1, for the invention, the lower carrier 10 is rigidly connected on the lower shell of the shell component 1, so the whole axial structure is stable, the lower carrier 10 can not follow the axial movement, but the torque sensor 8 can not bear excessive axial pressure, otherwise the torque sensor 8 can be damaged, therefore, the sensor auxiliary plate 9 is provided with at least two slide holes, the lower carrier plate is provided with slide columns with the number equal to that of the slide holes, the slide columns are matched with the slide holes, so that the sensor auxiliary plate 9 can perform proper displacement in the axial direction during the axial movement or movement trend, the torque sensor 8 is guaranteed not to be damaged, and the rotation or the rotation trend of the frame assembly enables the torque sensor to perform measuring actions when the whole mechanism works.
The numerical values measured by the weight sensor and the torque sensor are recorded by a terminal system, the terminal system is a PC, and when the mechanism works, an operator can use the terminal system to record the data of the weight sensor and the torque sensor in real time.
In fact, during the operation of the roller bearing, the roller is in line contact with the inner and outer rings, and the roller bearing inevitably generates heat change under the action of friction lubrication, generally has higher temperature, and certainly, under more special conditions, the roller bearing also works in a cooler environment, so that the roller bearing has corresponding requirements on the working temperature, in the test process, in order to ensure the accuracy of data, the shell component 1 of the invention is also internally provided with a greenhouse box 11, the greenhouse box 11 is assembled above the frame component 2, the greenhouse box 11 can enclose the inclined roller bearing 3-5 in the box body range, at least one side plate of the greenhouse box 11 is provided with a vent, the inner wall of the side plate of the greenhouse box 11 is also provided with a temperature sensor, and during the operation, heating or refrigerating gas is introduced into the greenhouse box through the vent on the side plate of the greenhouse box, so that the inside of the incubator reaches a designated temperature.
The invention also discloses a use method of the material stirring mold system, which comprises the following steps:
A. checking the state of the test die mechanism of the whole rolling bearing, and zeroing the weight sensor and the torque sensor after checking that no error exists;
B. introducing heating or refrigerating gas into the greenhouse through the ventilation openings on the side plates of the greenhouse to enable the interior of the greenhouse to reach the specified temperature;
C. matching the motor with the driving end cover;
D. the electric tool is started to rotate for a specified number of turns, the driving end cover can drive the main shaft to rotate or have a rotating trend while the electric tool is driven, and under the action of the main shaft, the load sleeve and the frame assembly can rotate or have a rotating trend, so that the driving disc generates linear motion action or trend along the ball screw, the whole frame assembly generates linear motion action or trend, an upper plate or a lower plate of the frame assembly generates impact load force, and the weight sensor performs measurement action; meanwhile, the rotation or the rotation trend of the frame assembly also enables the torque sensor to perform a measuring action;
E. and an operator uses the terminal system to record the data of the weight sensor and the torque sensor in real time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374107.4A CN112345246B (en) | 2020-11-30 | 2020-11-30 | Test die mechanism of rolling bearing and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374107.4A CN112345246B (en) | 2020-11-30 | 2020-11-30 | Test die mechanism of rolling bearing and use method thereof |
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| Publication Number | Publication Date |
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| CN112345246A CN112345246A (en) | 2021-02-09 |
| CN112345246B true CN112345246B (en) | 2021-11-30 |
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| CN202011374107.4A Expired - Fee Related CN112345246B (en) | 2020-11-30 | 2020-11-30 | Test die mechanism of rolling bearing and use method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW318208B (en) * | 1997-05-02 | 1997-10-21 | Nat Science Council | Test apparatus for lubrication performance of rolling-element bearings |
| CN103852016A (en) * | 2012-12-05 | 2014-06-11 | 常州大学 | Deflective roller friction pair lubricating oil film measurement experiment table |
| JP2016121956A (en) * | 2014-12-25 | 2016-07-07 | 株式会社ロボテック | Torque measuring apparatus for rolling-element bearings |
| CN205748914U (en) * | 2016-05-17 | 2016-11-30 | 慈兴集团有限公司 | Bearing rotary torsional moment test device |
| CN109540521A (en) * | 2019-01-21 | 2019-03-29 | 三峡大学 | A kind of ball bearing abrasion original reason test platform |
| CN111189636A (en) * | 2020-01-10 | 2020-05-22 | 中国航空综合技术研究所 | Clamp system for life test of joint bearing |
-
2020
- 2020-11-30 CN CN202011374107.4A patent/CN112345246B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW318208B (en) * | 1997-05-02 | 1997-10-21 | Nat Science Council | Test apparatus for lubrication performance of rolling-element bearings |
| CN103852016A (en) * | 2012-12-05 | 2014-06-11 | 常州大学 | Deflective roller friction pair lubricating oil film measurement experiment table |
| JP2016121956A (en) * | 2014-12-25 | 2016-07-07 | 株式会社ロボテック | Torque measuring apparatus for rolling-element bearings |
| CN205748914U (en) * | 2016-05-17 | 2016-11-30 | 慈兴集团有限公司 | Bearing rotary torsional moment test device |
| CN109540521A (en) * | 2019-01-21 | 2019-03-29 | 三峡大学 | A kind of ball bearing abrasion original reason test platform |
| CN111189636A (en) * | 2020-01-10 | 2020-05-22 | 中国航空综合技术研究所 | Clamp system for life test of joint bearing |
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| CN112345246A (en) | 2021-02-09 |
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