CN218271378U - Antifriction bearing roller scotch experiment machine - Google Patents
Antifriction bearing roller scotch experiment machine Download PDFInfo
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- CN218271378U CN218271378U CN202222580781.9U CN202222580781U CN218271378U CN 218271378 U CN218271378 U CN 218271378U CN 202222580781 U CN202222580781 U CN 202222580781U CN 218271378 U CN218271378 U CN 218271378U
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- bearing roller
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Abstract
The utility model relates to a antifriction bearing roller scotch experiment machine, it includes: the loading device comprises a driving assembly and a loading assembly, wherein the driving assembly comprises a driving unit, the output end of the driving unit is connected with a transmission shaft, and the output end of the driving unit is connected with one end of the transmission shaft; the other end of the transmission shaft is connected with a rolling bearing roller to be tested; the loading component comprises an executive; the output end of the executing piece is provided with a pressure sensor, and the end part of the output end of the executing piece is connected with a magnetic powder brake; the output shaft of the magnetic powder brake is connected with a test disc. After adopting above-mentioned structure, its beneficial effect is: the sliding-rolling ratio required by the test can be obtained by adjusting the rotating speed of the driving unit and the torque of the magnetic powder brake, and the surfaces of the rolling bearing rollers to be tested are scratched to different degrees; the experimental machine has good working continuity and can achieve the purpose of manufacturing the experimental scratches with different degrees on the surface of the rolling bearing roller.
Description
Technical Field
The utility model belongs to the technical field of the bearing roller testing machine, specific theory is about a antifriction bearing roller scotch experiment machine.
Background
The friction phenomenon exists between the relative motions of mechanical equipment, abnormal friction and abrasion caused by improper lubrication influence the production activities of people and cause huge waste of social wealth, and the failure of mechanical parts caused by friction and abrasion accounts for a large proportion of part damage rate every year. Therefore, the friction and wear phenomenon and the essence thereof are researched, and the influence of factors such as materials and environment on the friction and wear is accurately evaluated, so that the wear resistance of the materials is improved, and the service life of the workpiece is prolonged. The tribology test is an important method for researching the frictional wear rule, and the frictional wear testing machine is necessary equipment for the tribology test.
The existing antifriction bearing roller abrasion testing machine is complex in structure, the size of the faced antifriction bearing roller is single, the controllability of testing variables is not strong, and the disassembly is inconvenient, so that the development of an antifriction bearing roller abrasion test is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem of the prior art, the utility model provides a antifriction bearing roller scotch test machine, its structure is retrencied, dismantles convenient nimble, can extensively be applicable to in the scotch experiment of antifriction bearing roller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rolling bearing roller scuffing test machine comprising: a driving component and a loading component, wherein,
the driving assembly comprises a driving unit, the output end of the driving unit is connected with a transmission shaft, and the output end of the driving unit is connected with one end of the transmission shaft; the other end of the transmission shaft is used for connecting a rolling bearing roller to be tested;
the loading assembly comprises an executing piece, and the executing piece is positioned on the side edge of the driving assembly; the output end of the executing piece is provided with a pressure sensor, and the end part of the output end of the executing piece is connected with a magnetic powder brake;
the output shaft of the magnetic powder brake is connected with a test disc for scratching a rolling bearing roller to be tested;
when in use, the rolling bearing roller to be tested is fixed; secondly, turning on a power supply, adjusting the test loading pressure, and pulling off an executive component to load the magnetic powder brake with the test disc to the rolling bearing roller to be tested; and then, opening the driving unit, adjusting to the required rotating speed, opening the magnetic powder brake, and adjusting the torque to generate the sliding-rolling ratio required by the experiment, so as to cause scratches of different degrees on the surface of the rolling bearing roller to be tested.
Further, still include the mount table, drive assembly and loading subassembly are all located on the mount table, drive assembly and loading subassembly are connected on the mount table through the experiment machine bottom plate respectively, be connected with on the experiment machine bottom plate with the mount table on T-slot matched with fastener, through the cooperation in fastener and T-slot, make experiment machine bottom plate and mount table fastening.
Furthermore, the driving unit is fixedly connected to the mounting table through a motor fixing bottom plate; the transmission shaft is connected with a transmission shaft supporting seat arranged on the mounting platform, and the transmission shaft can rotate relative to the mounting platform by taking the transmission shaft supporting seat as a fulcrum.
Furthermore, a rotating assembly is arranged on the mounting table and comprises a tailstock arranged on the mounting table, a rotating center used for propping the other end of the rolling bearing roller to be tested is detachably connected to the tailstock, and the axis of the rotating center and the axis of the transmission shaft are coincided with the axis of the rolling bearing roller to be tested.
Furthermore, the mounting table is provided with a clamping part for radially clamping the rolling bearing roller to be tested, and the clamping part is two deep groove ball bearings sleeved with a ring sleeve matched with the rolling bearing roller to be tested.
Further, be equipped with the slip subassembly between mount table and the magnetic powder brake, the slip subassembly that proposes is including locating linear guide on the mount table and connecting the rail block on the magnetic powder brake, rail block connects on linear guide, and rail block slides on linear guide.
Furthermore, the end part of the linear guide rail is provided with a limit stop used for limiting the guide rail slide block.
Furthermore, the output end part of the actuating member is connected with a floating joint, and the floating joint is connected with the output end part of the actuating member through a threaded joint; and the other end of the floating joint is connected with a magnetic powder brake.
Furthermore, the other end of the floating joint is fixedly connected with the magnetic powder brake through a positioning plate.
Furthermore, the other end of transmission shaft is formed with first connecting portion, first connecting portion are the arch of a font, the one end that the test antifriction bearing roller that provides awaits measuring cooperatees with the transmission shaft is formed with the second connecting portion of being connected with first connecting portion cooperatees, the second connecting portion be with the protruding matched with in a font recess.
The utility model discloses a antifriction bearing roller scotch experiment machine, its beneficial effect specifically embodies:
1. through processing the T-shaped groove on the mounting table, and the bulge corresponding to the bottom processing of the motor fixing bottom plate, the transmission shaft supporting seat and the tailstock is matched with the T-shaped groove, so that the overall centering performance of the driving assembly is ensured.
2. The other end of the proposed transmission shaft is provided with a first connecting part which is a linear bulge, one end of the proposed rolling bearing roller to be tested, which is matched with the transmission shaft, is provided with a second connecting part which is matched and connected with the first connecting part, the second connecting part is a linear groove matched with the linear bulge, and the transmission shaft and the rolling bearing roller to be tested are more reliably and stably connected through convex-concave connection.
3. The loading assembly selects a pneumatic system of an SC standard cylinder, reads the value of the output force of the cylinder through a pressure sensor, loads the rolling bearing roller to be tested through the floating joint and the test disc, and loads the rolling bearing roller to be tested through the test disc; the sliding-rolling ratio required by the test can be obtained by adjusting the rotating speed of the driving unit and the torque of the magnetic powder brake, and the surface of the rolling bearing roller to be tested is scratched to different degrees; the experimental machine has good working continuity and can achieve the purpose of manufacturing the experimental scratches with different degrees on the surface of the rolling bearing roller.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of a rolling bearing roller scuffing tester of the present invention;
fig. 2 is a schematic structural view of a driving assembly of the rolling bearing roller scuffing test machine of the present invention;
fig. 3 is a schematic structural view of a loading assembly of the rolling bearing roller bruise testing machine of the present invention.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
The utility model discloses a antifriction bearing roller scotch experiment machine of an embodiment, as shown in figure 1, it includes: the driving assembly and the loading assembly are convenient to fix and move, the driving assembly and the loading assembly are both arranged on the mounting table 14, the driving assembly and the loading assembly are respectively connected onto the mounting table 14 through the experiment machine bottom plate 12, the experiment machine bottom plate 12 is connected with a T-shaped groove matched fastener on the mounting table 14, the experiment machine bottom plate 12 is fastened with the mounting table 14 through the matching of the fastener and the T-shaped groove, the driving assembly and the loading assembly are fixed on the mounting table 14, the driving assembly and the loading assembly cannot deviate in the experiment process, and the accuracy of the experiment is protected.
Specifically, in this embodiment, as shown in fig. 2, the proposed driving assembly includes a driving unit 4 connected to the mounting table 14, where the driving unit 4 is fixedly connected to the mounting table 14 through a motor fixing bottom plate 16, and as an example, the driving unit 4 is a driving motor, and a detailed structure thereof is not described again; the output end of the driving unit 4 is connected with a transmission shaft 15, the output end of the driving unit 4 is connected with one end of the transmission shaft 15 through a coupler 3, and the coupler 3 is an elastic diaphragm coupler; the power output of the driving unit 4 is transmitted to the transmission shaft 15 through the coupler 3, and the other end of the transmission shaft 15 is used for connecting the rolling bearing roller 2 to be tested.
Further, in this embodiment, the other end of the proposed transmission shaft 15 is formed with a first connection portion, the first connection portion is a linear protrusion, one end of the proposed rolling bearing roller 2 to be tested, which is matched with the transmission shaft 15, is formed with a second connection portion, which is matched and connected with the first connection portion, the second connection portion is a linear groove matched with the linear protrusion, and the connection between the transmission shaft 15 and the rolling bearing roller 2 to be tested is more reliable and stable through convex-concave connection.
Further, in this embodiment, in order to protect the operation stability of the transmission shaft 15, the transmission shaft 15 is connected to a transmission shaft support base 5 disposed on the mounting table 14, and the transmission shaft 15 is rotatable with respect to the mounting table 14 with the transmission shaft support base 5 as a fulcrum.
Further, in this embodiment, in order to ensure the stability of the rotation of the rolling bearing roller 2 to be tested, a clamping portion for radially clamping the rolling bearing roller 2 to be tested is arranged on the mounting table 14, and the clamping portion is two deep groove ball bearings sleeved with a ring sleeve matched with the rolling bearing roller 2 to be tested; the clamping part does not wrap the rolling bearing roller 2 to be tested completely so as to ensure that the rolling bearing roller 2 to be tested has a scratch space.
Further, in this embodiment, in order to ensure the smooth operation of the rolling bearing roller 2 to be tested, the mounting table 14 is provided with a rotating assembly, the proposed rotating assembly includes a tailstock 13 arranged on the mounting table 14, the tailstock 13 is detachably connected with a rotating center 1 for propping against the other end of the rolling bearing roller 2 to be tested, and the rotating center 1 is rotatable relative to the tailstock; the rotary center 1 is a Morse No. 2 rotary center, and supports and reverses parts with complex end surfaces and parts which do not allow a center hole to be drilled; the rotating center is the prior art and is not described again; the axis of the rotating center 1 and the axis of the transmission shaft 15 are coincident with the axis of the rolling bearing roller 2 to be tested.
In this embodiment, a T-shaped groove is processed on the mounting table 14, and corresponding protrusions and T-shaped grooves are processed at the bottom of the motor fixing base plate 16, the transmission shaft supporting seat 5 and the tailstock 13 to cooperate, so as to ensure the overall alignment of the driving assembly.
Specifically, in this embodiment, as shown in fig. 3, the proposed loading assembly includes an executing element 8 connected to the mounting table 14, where the executing element 8 is an SC standard cylinder, and its structure is the prior art and is not described again; the actuating member 8 is positioned at the side of the driving component; the output end of the executive component 8 is provided with a pressure sensor 9, the pressure sensor 9 is a spoke type pull pressure sensor, which is the prior art and is not described again; the output end of the actuating member 8 is connected with a floating joint 10, and the floating joint 10 is connected with the output end of the actuating member 8 through a threaded joint 20; the floating joint 10 and the threaded joint 20 are both in the prior art, and the structures are not described in detail; the other end of the floating joint 10 is connected with a magnetic powder brake 7, the other end of the floating joint 10 is fixedly connected with the magnetic powder brake 7 through a positioning plate 19, the magnetic powder brake 7 is the prior art, and the structure is not described again; the executive component 8 works to drive the magnetic powder brake 7 to approach the driving component.
Specifically, in the present embodiment, the proposed magnetic powder brake 7 has a test disc 6 attached to an output shaft thereof for scratching the rolling bearing roller 2 to be tested.
Further, in this embodiment, in order to ensure that the magnetic-particle brake 7 is more stable in the moving process, a sliding assembly is arranged between the mounting table 14 and the magnetic-particle brake 7, the proposed sliding assembly includes a linear guide rail 17 arranged on the mounting table 14 and a guide rail sliding block 18 connected to the magnetic-particle brake 7, the guide rail sliding block 18 is connected to the linear guide rail 17, and the guide rail sliding block 18 slides on the linear guide rail 17.
Further, in the present embodiment, the end of the proposed linear guide 17 is provided with a limit stop 21 for limiting the travel of the rail slider 18.
In the embodiment, the loading assembly adopts a pneumatic system of an SC standard cylinder, reads the value of the output force of the cylinder through a pressure sensor 9, loads the rolling bearing roller 2 to be tested through a floating joint 10 and a test disc 6 and through the test disc 6; the sliding-rolling ratio required by the test can be obtained by adjusting the rotating speed of the driving unit 4 and the torque of the magnetic powder brake 7, and the surface of the rolling bearing roller 2 to be tested is scratched to different degrees; the experimental machine has good working continuity and can achieve the purpose of manufacturing the experimental scratches with different degrees on the surface of the rolling bearing roller.
Before the experiment, firstly, the rotating center 1 needs to be matched and connected with the other end of the rolling bearing roller 2 to be tested, and the rolling bearing roller 2 to be tested is fixed; secondly, turning on a power supply, adjusting the test loading pressure intensity, and pulling out the air cylinder to make the magnetic powder brake 7 drive the test disc 6 to be linearly loaded to the rolling bearing roller 2 to be tested along the guide rail 17; during the experiment, the motor is started, the rotating speed is adjusted to be required, the magnetic powder brake 7 is started, the torque is adjusted to be proper, the sliding-rolling ratio required by the experiment is generated, the surface of the rolling bearing roller 2 to be tested is scratched in different degrees, the sliding-rolling ratio is adjusted according to different rolling bearing rollers, and the sliding-rolling ratio is the torque ratio of the rotating speed of the motor to the magnetic powder brake.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (10)
1. A rolling bearing roller scuffing test machine is characterized by comprising: a driving component and a loading component, wherein the loading component is arranged on the driving component,
the driving assembly comprises a driving unit, the output end of the driving unit is connected with a transmission shaft, and the output end of the driving unit is connected with one end of the transmission shaft; the other end of the transmission shaft is used for connecting a rolling bearing roller to be tested;
the loading assembly comprises an executing piece, and the executing piece is positioned on the side edge of the driving assembly; the output end of the executing piece is provided with a pressure sensor, and the end part of the output end of the executing piece is connected with a magnetic powder brake;
and an output shaft of the magnetic powder brake is connected with a test disc for scratching a rolling bearing roller to be tested.
2. The rolling bearing roller scuffing test machine of claim 1, further comprising a mounting table, wherein the driving assembly and the loading assembly are both disposed on the mounting table, the driving assembly and the loading assembly are respectively connected to the mounting table through a test machine base plate, a fastener matched with the T-shaped groove on the mounting table is connected to the test machine base plate, and the test machine base plate is fastened to the mounting table through the fastener matched with the T-shaped groove.
3. The rolling bearing roller scuffing test machine of claim 2, wherein said drive unit is fixedly connected to the mounting table by a motor fixing base plate; the transmission shaft is connected with a transmission shaft supporting seat arranged on the mounting platform, and the transmission shaft can rotate relative to the mounting platform by taking the transmission shaft supporting seat as a fulcrum.
4. The rolling bearing roller scuffing test machine according to claim 2, wherein a rotating assembly is arranged on the mounting table, the rotating assembly comprises a tailstock arranged on the mounting table, a rotating center used for propping against the other end of the rolling bearing roller to be tested is detachably connected to the tailstock, and the axis of the rotating center and the axis of the transmission shaft are coincident with the axis of the rolling bearing roller to be tested.
5. The roller abrasion tester for rolling bearing according to claim 2, wherein the mounting table is provided with a clamping portion for radially clamping the roller of the rolling bearing to be tested, and the clamping portion is two deep groove ball bearings fitted with a collar fitted to the roller of the rolling bearing to be tested.
6. The rolling bearing roller scuffing test machine of claim 2, wherein a slide assembly is provided between the mounting table and the magnetic particle brake, the proposed slide assembly comprising a linear guide rail provided on the mounting table and a guide rail slider connected to the magnetic particle brake, the guide rail slider being connected to the linear guide rail, the guide rail slider sliding on the linear guide rail.
7. The rolling bearing roller scuffing test machine of claim 6, wherein the end of the linear guide is provided with a limit stop for limiting the guide slide.
8. The rolling bearing roller scuffing test machine of claim 1, wherein a floating joint is connected to the output end of said actuator, said floating joint being connected to the output end of the actuator by a threaded joint; and the other end of the floating joint is connected with a magnetic powder brake.
9. The rolling bearing roller scuffing test machine of claim 8, wherein the other end of said floating joint is fixedly connected to a magnetic powder brake through a positioning plate.
10. The rolling bearing roller scuffing test machine according to claim 1, wherein a first connecting portion is formed at the other end of the drive shaft, the first connecting portion being a linear projection, and a second connecting portion is formed at the end of the rolling bearing roller to be tested, which is engaged with the drive shaft, the second connecting portion being a linear groove engaged with the linear projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222580781.9U CN218271378U (en) | 2022-09-28 | 2022-09-28 | Antifriction bearing roller scotch experiment machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222580781.9U CN218271378U (en) | 2022-09-28 | 2022-09-28 | Antifriction bearing roller scotch experiment machine |
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| Publication Number | Publication Date |
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| CN218271378U true CN218271378U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222580781.9U Active CN218271378U (en) | 2022-09-28 | 2022-09-28 | Antifriction bearing roller scotch experiment machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655713A (en) * | 2022-09-28 | 2023-01-31 | 江阴润成机电科技有限公司 | Scratching tester for manufacturing scratches of different degrees on surface of rolling bearing roller |
-
2022
- 2022-09-28 CN CN202222580781.9U patent/CN218271378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655713A (en) * | 2022-09-28 | 2023-01-31 | 江阴润成机电科技有限公司 | Scratching tester for manufacturing scratches of different degrees on surface of rolling bearing roller |
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