Lubricating device for automobile vibration bearing and using method of lubricating device

Abstract

The invention discloses a lubricating device for an automobile vibration bearing and a using method of the lubricating device. A base; a workbench is fixedly connected to the top of the base, top plates are movably connected to the four corners of the top of the workbench through connecting columns, a transmission mechanism is fixedly connected to the bottom of the inner wall of the base, reset mechanisms are fixedly connected to the left side and the right side of the inner wall of the workbench, and lubricating mechanisms are fixedly connected to the tops of the top plates. The transmission mechanism comprises a servo motor, a transmission shaft, a rotary disc, a connecting rod and a synchronous disc, the servo motor is fixedly connected to the bottom of the inner wall of the base, and the output end of the servo motor is fixedly connected with the transmission shaft. Through the arrangement of the transmission mechanism, the servo motor can work to drive the transmission shaft and the rotary disc to rotate clockwise, the rotary disc rotates to drive the connecting rod and the synchronous disc to rotate synchronously, and the synchronous disc rotates to drive bearing materials to rotate to enable lubricating oil to permeate faster through centrifugal force.

Description

Technical Field

[0001] The invention relates to the technical field of automobile vibration bearings, in particular to a lubricating device for an automobile vibration bearing and a use method thereof. Background Art

[0002] Bearing is an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. In the comparative case, the publication number is CN210069439U. The utility model provides a lubricating device for automobile bearings. A motor is installed in the base. The transmission shaft of the motor will drive the rotation of the card and device. The card and device include a connecting plate and a counterweight. The counterweights on both sides of the connecting plate will be thrown out under the action of centrifugal force, so as to achieve the purpose of clamping the automobile bearings that need to be lubricated. Of course, the card and device can clamp bearings of different sizes. An electric telescopic rod and a telescopic oil pipe are designed in the side wall. The telescopic oil pipe is connected to the electric telescopic rod. The length of the telescopic oil pipe can be adjusted by the telescopic of the electric telescopic rod. The nozzle on the telescopic oil pipe can be aligned with the automobile bearing that needs to be lubricated to the greatest extent, and then the lubricating oil is sprayed through the oil pipe. At this time, the card and device will drive the inner shaft of the automobile bearing to rotate, and then the lubricating oil at the spraying point will be evenly rotated to all parts of the bearing, completing the lubrication of the bearing and solving the lubrication problem of bearings of different sizes.

[0003] However, in the implementation of relevant technologies, it was found that the above-mentioned lubrication device for automobile bearings has the following problems: the length of the telescopic oil pipe can be adjusted by extending and retracting the electric telescopic rod, so that the nozzle on the telescopic oil pipe can be aimed at the automobile bearing that needs lubrication to the greatest extent, and then the lubricating oil is sprayed through the oil pipe. At this time, the card and the device will drive the inner shaft of the automobile bearing to rotate. Most of the existing bearings are lubricated manually, which is time-consuming and labor-intensive, reducing the working efficiency of the lubrication equipment.

[0004] Therefore, it is necessary to redesign the lubrication equipment to effectively prevent the problem that most of the bearings are lubricated manually, which is time-consuming and labor-intensive. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide a lubrication device for automobile vibration bearings and a method of using the same, which has the advantage of good lubrication effect and solves the problem that most bearings are lubricated manually, which is time-consuming and labor-intensive.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lubricating device for automobile vibration bearing and a method of using the same, comprising:

[0007] Base;

[0008] The top of the base is fixedly connected to a workbench, the four corners of the top of the workbench are movably connected to a top plate through connecting columns, the bottom of the inner wall of the base is fixedly connected to a transmission mechanism, the left and right sides of the inner wall of the workbench are fixedly connected to a reset mechanism, and the top of the top plate is fixedly connected to a lubrication mechanism;

[0009] The transmission mechanism includes a servo motor, a transmission shaft, a turntable, a connecting rod and a synchronous disk. The bottom of the inner wall of the base is fixedly connected to the servo motor, the output end of the servo motor is fixedly connected to the transmission shaft, the top of the transmission shaft is fixedly connected to the turntable, the top of the turntable passes through the inside of the workbench, the center of the top of the turntable is fixedly connected to the connecting rod, the top of the connecting rod is fixedly connected to the synchronous disk, and the top of the synchronous disk passes through the top of the workbench;

[0010] The reset mechanism includes a cross bar, a sliding column, a sliding sleeve, a support column and a C-shaped clamping plate. The left and right sides of the inner wall of the workbench are fixedly connected with a cross bar, the right side of the cross bar is fixedly connected with a sliding column, the top and bottom of the sliding column are respectively slidably connected to the bottom of the synchronous disk and the top of the turntable, the surface of the cross bar is slidably sleeved with a sliding sleeve, the top of the sliding sleeve is fixedly connected with a connecting column, and the top of the connecting column passes through the bottom of the turntable and is fixedly connected with a C-shaped clamping plate.

[0011] As a preferred embodiment of the present invention, the lubrication mechanism includes a cylinder, an end cover, a filter plate and a hose, the top of the top plate is fixedly connected to the cylinder, the top of the cylinder is threadedly connected to the end cover, the bottom of the end cover is fixedly connected to the filter plate, and the bottom of the cylinder is connected to the hose.

[0012] As a preferred embodiment of the present invention, an annular groove is provided on the top of the turntable corresponding to the position of the sliding post, and the annular groove is used in conjunction with the sliding post.

[0013] As a preferred embodiment of the present invention, a tension spring is sleeved on the surface of the cross bar, and the left and right sides of the tension spring are fixedly connected to the surface of the cross bar and the left side of the sliding sleeve respectively.

[0014] As a preferred embodiment of the present invention, an annular H-groove is provided at the bottom of the synchronization disk and at positions corresponding to the sliding column and the supporting column, and the annular H-groove is used in conjunction with the sliding column and the connecting column respectively.

[0015] As a preferred embodiment of the present invention, trapezoidal blocks are fixedly connected to the left and right sides of the bottom of the cylinder, and the trapezoidal blocks are used in conjunction with the cylinder.

[0016] As a preferred embodiment of the present invention, a shock absorbing shell is fixedly connected to the bottom of the inner wall of the base and is sleeved on the surface of the servo motor, and the shock absorbing shell is used in conjunction with the servo motor.

[0017] As a preferred embodiment of the present invention, an annular opening is provided at the top of the base and the bottom of the workbench at a position corresponding to the turntable, and the annular opening is used in conjunction with the turntable.

[0018] As the preferred method of the present invention, the following steps are included:

[0019] S1; the user manually moves the C-type card plate to both sides, and the C-type card plate moves to both sides to drive the connecting column and the sliding sleeve to move on the surface of the crossbar, and then the upper bearing is placed on the inner side of the C-type card plate, and the C-type card plate is released. The sliding sleeve is pushed to the right by the tension spring, and the sliding sleeve moves to the right to drive the supporting column and the C-type card plate to move to the right synchronously. The C-type card plate moves to the right to clamp and fix the bearing, and executes S2;

[0020] S2; The user opens the end cover by rotating it clockwise, and then adds lubricating oil to the inside of the cylinder. The lubricating oil then passes through the filter plate to filter out impurities and enters the inside of the hose. The user holds the hose and aligns it with the bearing to spray it evenly to complete the lubrication. Finally, the servo motor is started. The output end of the servo motor drives the transmission shaft and the turntable to rotate synchronously. The rotation of the turntable drives the connecting rod and the synchronous disk to rotate. The rotation of the synchronous disk cooperates with the annular H-groove to keep the connecting column passable and enable the synchronous disk to drive the bearing to rotate, so that the lubricating oil quickly penetrates into the bearing under the action of centrifugal force.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention can make the servo motor drive the transmission shaft and the turntable to rotate clockwise through the setting of the transmission mechanism. The rotation of the turntable drives the connecting rod and the synchronous disk to rotate synchronously. The rotation of the synchronous disk drives the bearing material to rotate and utilizes the centrifugal force to penetrate the lubricating oil faster.

[0023] 2. The present invention can make the C-shaped clamp plate move to both sides to drive the support column to move, and the movement of the connecting column drives the sliding sleeve to move on the surface of the cross bar, and the movement of the sliding sleeve stretches the tension spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 For the present invention Figure 1 Cross-sectional view of the middle base structure;

[0026] Figure 3 For the present invention Figure 2 Sectional view of the middle workbench structure;

[0027] Figure 4 For the present invention Figure 3 The three-dimensional diagram of the turntable structure;

[0028] Figure 5For the present invention Figure 3 The three-dimensional diagram of the central synchronous disk structure;

[0029] Figure 6 For the present invention Figure 1 Cross-sectional view of the middle cylinder structure.

[0030] In the figure: 1. base; 2. workbench; 3. connecting column; 4. top plate; 5. transmission mechanism; 51. servo motor; 52. transmission shaft; 53. turntable; 54. connecting rod; 55. synchronization disk; 6. reset mechanism; 61. cross bar; 62. sliding column; 63. sliding sleeve; 64. supporting column; 65. C-type clamping plate; 7. lubrication mechanism; 71. cylinder; 72. end cover; 73. filter plate; 74. hose; 8. annular groove; 9. tension spring; 10. annular H groove; 11. trapezoidal block; 12. shock-absorbing shell; 13. annular opening. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figures 1 to 5 As shown, the present invention provides a lubricating device for a vehicle vibration bearing and a method of using the same, comprising:

[0033] Base 1;

[0034] The top of the base 1 is fixedly connected to a workbench 2, and the four corners of the top of the workbench 2 are movably connected to a top plate 4 through connecting columns 3. The bottom of the inner wall of the base 1 is fixedly connected to a transmission mechanism 5, and the left and right sides of the inner wall of the workbench 2 are fixedly connected to a reset mechanism 6, and the top of the top plate 4 is fixedly connected to a lubrication mechanism 7;

[0035] The transmission mechanism 5 includes a servo motor 51, a transmission shaft 52, a turntable 53, a connecting rod 54 and a synchronous disk 55. The bottom of the inner wall of the base 1 is fixedly connected with the servo motor 51, the output end of the servo motor 51 is fixedly connected with the transmission shaft 52, the top of the transmission shaft 52 is fixedly connected with the turntable 53, the top of the turntable 53 penetrates into the inside of the workbench 2, the center of the top of the turntable 53 is fixedly connected with the connecting rod 54, the top of the connecting rod 54 is fixedly connected with the synchronous disk 55, and the top of the synchronous disk 55 penetrates the top of the workbench 2;

[0036] The reset mechanism 6 includes a cross bar 61, a sliding column 62, a sliding sleeve 63, a support column 64 and a C-shaped clamping plate 65. The left and right sides of the inner wall of the workbench 2 are fixedly connected with the cross bar 61, the right side of the cross bar 61 is fixedly connected with the sliding column 62, the top and bottom of the sliding column 62 are respectively slidably connected to the bottom of the synchronization disk 55 and the top of the turntable 53, the surface of the cross bar 61 is slidably sleeved with the sliding sleeve 63, the top of the sliding sleeve 63 is fixedly connected with the support column 64, the top of the support column 64 passes through the bottom of the turntable 53 and is fixedly connected with the C-shaped clamping plate 65.

[0037] refer to Figure 6 The lubrication mechanism 7 includes a cylinder 71, an end cover 72, a filter plate 73 and a hose 74. The top of the top plate 4 is fixedly connected to the cylinder 71, the top of the cylinder 71 is threadedly connected to the end cover 72, the bottom of the end cover 72 is fixedly connected to the filter plate 73, and the bottom of the cylinder 71 is connected to the hose 74.

[0038] As a technical optimization solution of the present invention, through the setting of the lubrication mechanism 7, the end cover 72 can be manually rotated clockwise, the end cover 72 is rotated open and lubricating oil is added to the inside of the cylinder 71, and then the lubricating oil passes through the filter plate 73 to filter impurities and flows out with the hose 74. The user operates the hose 74 to apply lubricating oil to the bearing.

[0039] refer to Figure 4 An annular groove 8 is provided at the top of the rotating disk 53 and corresponds to the position of the sliding post 62 , and the annular groove 8 is used in conjunction with the sliding post 62 .

[0040] As a technical optimization solution of the present invention, the annular groove 8 is provided to enable the sliding column 62 to move inside the annular groove 8 and at the same time play a limiting role, thereby avoiding the sliding column 62 inside the annular groove 8 from colliding during movement.

[0041] refer to Figure 3 A tension spring 9 is sleeved on the surface of the cross bar 61 , and the left and right sides of the tension spring 9 are fixedly connected to the surface of the cross bar 61 and the left side of the sliding sleeve 63 respectively.

[0042] As a technical optimization solution of the present invention, the tension spring 9 can assist the sleeve 63 in working and play a role of reset buffer, thereby preventing the sleeve 63 from being unable to reset after moving, causing the machine to be unable to continue working.

[0043] refer to Figure 5 An annular H-groove 10 is provided at the bottom of the synchronous disk 55 and corresponds to the position of the sliding column 62 and the supporting column 64 , and the annular H-groove 10 is used in conjunction with the sliding column 62 and the supporting column 64 , respectively.

[0044] As a technical optimization solution of the present invention, the setting of the annular H-groove 10 can assist the sliding column 62 and the support column 64 in their work, and at the same time play a limiting role, thereby avoiding the phenomenon of deviation and collision between the support column 64 and the sliding column 62 inside the annular H-groove 10.

[0045] refer to Figure 6 The left and right sides of the bottom of the cylinder 71 are fixedly connected with trapezoidal blocks 11, and the trapezoidal blocks 11 are used in conjunction with the cylinder 71.

[0046] As a technical optimization solution of the present invention, the arrangement of the trapezoidal block 11 can assist the cylinder 71 in its work and play a guiding role, thereby preventing the lubricating oil inside the cylinder 71 from being unable to flow out quickly.

[0047] refer to Figure 2 A shock absorbing shell 12 is fixedly connected to the bottom of the inner wall of the base 1 and is sleeved on the surface of the servo motor 51 . The shock absorbing shell 12 is used in conjunction with the servo motor 51 .

[0048] As a technical optimization solution of the present invention, the setting of the shock-absorbing shell 12 can assist the servo motor 51 in working, and at the same time play a role in shock absorption and noise reduction, thereby avoiding the phenomenon of mechanical noise during the operation of the servo motor 51.

[0049] refer to Figure 2 The top of the base 1 and the bottom of the workbench 2 are both provided with an annular opening 13 at a position corresponding to the turntable 53 , and the annular opening 13 is used in conjunction with the turntable 53 .

[0050] As a technical optimization solution of the present invention, the setting of the annular opening 13 can enable the turntable 53 to pass through the annular opening 13 completely for mechanical transmission, thereby avoiding the turntable 53 being stuck at the annular opening 13 due to the narrow width of the annular opening 13.

[0051] refer to Figure 3 , comprising the following steps;

[0052] S1; the user manually moves the C-shaped card plate 65 to both sides, and the C-shaped card plate 65 moves to both sides to drive the support column 64 and the sliding sleeve 63 to move on the surface of the cross bar 61, and then the upper bearing is placed on the inner side of the C-shaped card plate 65, and the C-shaped card plate 65 is released. The sliding sleeve 63 is reset to the right under the push of the tension spring 9, and the sliding sleeve 63 moves to the right to drive the support column 64 and the C-shaped card plate 65 to move to the right synchronously, and the C-shaped card plate 65 moves to the right to clamp and fix the bearing, and execute S2;

[0053] S2; the user opens the end cover 72 by rotating it clockwise, and then adds lubricating oil to the inside of the cylinder 71. The lubricating oil then filters impurities through the filter plate 73 and enters the inside of the hose 74. The user holds the hose 74 and sprays it evenly at the bearing to complete the lubrication. Finally, the servo motor 51 is started. The output end of the servo motor 51 drives the transmission shaft 52 and the turntable 53 to rotate synchronously. The rotation of the turntable 53 drives the connecting rod 54 and the synchronous disk 55 to rotate. The synchronous disk 55 rotates in coordination with the annular H groove 10 to keep the support column 64 passable and to make the synchronous disk 55 drive the bearing to rotate, so that the lubricating oil quickly penetrates into the bearing under the action of centrifugal force.

[0054] The working principle and use process of the present invention are as follows: when in use, the user manually moves the C-shaped card plate 65 to both sides, and the C-shaped card plate 65 moves to both sides to drive the support column 64 and the sliding sleeve 63 to move on the surface of the cross bar 61, and then the upper bearing is placed on the inner side of the C-shaped card plate 65, and the C-shaped card plate 65 is released. The sliding sleeve 63 is pushed to the right by the tension spring 9, and the sliding sleeve 63 moves to the right to drive the support column 64 and the C-shaped card plate 65 to move to the right synchronously. The C-shaped card plate 65 moves to the right to clamp and fix the bearing, and then the user opens it by rotating the end cover 72 clockwise, and then Lubricating oil is added to the inside of the cylinder 71, and then the lubricating oil passes through the filter plate 73 to filter out impurities and enter the inside of the hose 74. The user holds the hose 74 and aligns it with the bearing to spray it evenly to complete the lubrication. Finally, the servo motor 51 is started. The output end of the servo motor 51 drives the transmission shaft 52 and the turntable 53 to rotate synchronously. The rotation of the turntable 53 drives the connecting rod 54 and the synchronous disk 55 to rotate. The synchronous disk 55 rotates to cooperate with the annular H groove 10 to keep the support column 64 passable and enable the synchronous disk 55 to drive the bearing to rotate, so that the lubricating oil quickly penetrates into the inside of the bearing under the action of centrifugal force.

[0055] In summary: the lubrication device for automobile vibration bearings and the use method thereof, through the base 1, workbench 2, connecting column 3, top plate 4, transmission mechanism 5, servo motor 51, transmission shaft 52, turntable 53, connecting rod 54, synchronous disk 55, reset mechanism 6, cross bar 61, sliding column 62, sliding sleeve 63, support column 64, C-type clamping plate 65, lubrication mechanism 7, cylinder 71, end cover 72, filter plate 73 and hose 74 are used in combination, which solves the problem that most of the existing bearings are manually lubricated, and the operation is time-consuming and labor-intensive.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lubricating device for a vibration bearing of an automobile, characterized in that: include: Base (1); The top of the base (1) is fixedly connected to a workbench (2), the four corners of the top of the workbench (2) are movably connected to a top plate (4) via connecting columns (3), the bottom of the inner wall of the base (1) is fixedly connected to a transmission mechanism (5), the left and right sides of the inner wall of the workbench (2) are fixedly connected to a reset mechanism (6), and the top of the top plate (4) is fixedly connected to a lubrication mechanism (7); The transmission mechanism (5) comprises a servo motor (51), a transmission shaft (52), a turntable (53), a connecting rod (54) and a synchronous disk (55); the bottom of the inner wall of the base (1) is fixedly connected to the servo motor (51); the output end of the servo motor (51) is fixedly connected to the transmission shaft (52); the top of the transmission shaft (52) is fixedly connected to the turntable (53); the top of the turntable (53) passes through the inside of the workbench (2); the center of the top of the turntable (53) is fixedly connected to the connecting rod (54); the top of the connecting rod (54) is fixedly connected to the synchronous disk (55); the top of the synchronous disk (55) passes through the top of the workbench (2); The reset mechanism (6) comprises a cross bar (61), a sliding column (62), a sliding sleeve (63), a support column (64) and a C-shaped card plate (65). The left and right sides of the inner wall of the workbench (2) are fixedly connected with the cross bar (61). The right side of the cross bar (61) is fixedly connected with the sliding column (62). The top and bottom of the sliding column (62) are slidably connected with the bottom of the synchronous disk (55) and the top of the rotating disk (53) respectively. The surface of the cross bar (61) is slidably sleeved with the sliding sleeve (63). The top of the sliding sleeve (63) is fixedly connected with the support column (64). The top of the support column (64) passes through the bottom of the rotating disk (53) and is fixedly connected with the C-shaped card plate (65).

2. A lubricating device for automobile vibration bearing according to claim 1, characterized in that: The lubricating mechanism (7) comprises a cylinder (71), an end cover (72), a filter plate (73) and a hose (74); the top of the top plate (4) is fixedly connected to the cylinder (71); the top of the cylinder (71) is threadedly connected to the end cover (72); the bottom of the end cover (72) is fixedly connected to the filter plate (73); and the bottom of the cylinder (71) is connected to the hose (74).

3. The lubricating device for automobile vibration bearing according to claim 1, characterized in that: An annular groove (8) is provided at the top of the rotating disk (53) and at a position corresponding to the sliding column (62). The annular groove (8) is used in conjunction with the sliding column (62).

4. The lubricating device for automobile vibration bearing according to claim 1, characterized in that: A tension spring (9) is sleeved on the surface of the cross bar (61), and the left and right sides of the tension spring (9) are fixedly connected to the surface of the cross bar (61) and the left side of the sliding sleeve (63) respectively.

5. The lubricating device for automobile vibration bearing according to claim 1, characterized in that: An annular H-groove (10) is provided at the bottom of the synchronization disk (55) and at positions corresponding to the sliding column (62) and the supporting column (64). The annular H-groove (10) is used in conjunction with the sliding column (62) and the supporting column (64) respectively.

6. A lubricating device for automobile vibration bearing according to claim 2, characterized in that: The left and right sides of the bottom of the cylinder (71) are both fixedly connected with a trapezoidal block (11), and the trapezoidal block (11) is used in conjunction with the cylinder (71).

7. The lubricating device for automobile vibration bearing according to claim 1, characterized in that: A shock absorbing shell (12) is fixedly connected to the bottom of the inner wall of the base (1) and sleeved on the surface of the servo motor (51); the shock absorbing shell (12) is used in conjunction with the servo motor (51).

8. The lubricating device for automobile vibration bearing according to claim 1, characterized in that: An annular opening (13) is provided at the top of the base (1) and the bottom of the workbench (2) at a position corresponding to the rotating disk (53), and the annular opening (13) is used in conjunction with the rotating disk (53).

9. The lubricating device for automobile vibration bearing and the method of using the same according to claim 1, characterized in that: The steps include: S1; the user manually moves the C-shaped card plate (65) to both sides, and the C-shaped card plate (65) moves to both sides, driving the support column (64) and the sliding sleeve (63) to move on the surface of the cross bar (61), and then the upper bearing is placed on the inner side of the C-shaped card plate (65), and the C-shaped card plate (65) is released, and the sliding sleeve (63) is reset to the right under the push of the tension spring (9), and the sliding sleeve (63) moves to the right, driving the support column (64) and the C-shaped card plate (65) to move to the right synchronously, and the C-shaped card plate (65) moves to the right to clamp and fix the bearing, and executes S2; S2; the user opens the end cover (72) by rotating it clockwise, and then adds lubricating oil inside the cylinder (71). The lubricating oil then filters impurities through the filter plate (73) and enters the inside of the hose (74). The user holds the hose (74) and sprays it evenly at the bearing to complete lubrication. Finally, the servo motor (51) is started, and the output end of the servo motor (51) drives the transmission shaft (52) and the turntable (53) to rotate synchronously. The rotation of the turntable (53) drives the connecting rod (54) and the synchronous disk (55) to rotate. The synchronous disk (55) rotates in conjunction with the annular H groove (10) to keep the support column (64) passable and to enable the synchronous disk (55) to drive the bearing to rotate, so that the lubricating oil quickly penetrates into the bearing under the action of centrifugal force.

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