CN116223033A - High-speed antifriction bearing lubrication experiment table - Google Patents
High-speed antifriction bearing lubrication experiment table Download PDFInfo
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- CN116223033A CN116223033A CN202310213916.4A CN202310213916A CN116223033A CN 116223033 A CN116223033 A CN 116223033A CN 202310213916 A CN202310213916 A CN 202310213916A CN 116223033 A CN116223033 A CN 116223033A
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- 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
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Abstract
The invention discloses a high-speed rolling bearing lubrication experiment table, which is characterized in that supporting legs are fixedly arranged at four corners of a bottom plate; the lever bearing plate is rotatably supported on the bottom plate around a horizontal axis; the motor is fixedly arranged on the lever bearing plate and fixedly connected with the main shaft; the middle part of the main shaft is rotatably supported on the lever bearing plate, and the other end part of the main shaft extends into the experimental box body and is provided with an inner shaft sleeve; the bottom of the experiment box body is fixedly arranged on the top surface of the bottom plate; an inner ring is fixedly arranged on the outer periphery side of the inner shaft sleeve; a glass outer ring coaxial with the inner ring is fixedly arranged in the experiment box body; a plurality of balls are uniformly distributed in the annular space between the glass outer ring and the circular groove; the lever loading mechanism is arranged on the bottom plate and the lever bearing plate and is used for providing radial loading force for the inner ring through the lever bearing plate. The experiment table can realize accurate loading of the target bearing, improves the overall stability and accuracy of the experiment table, facilitates observation, and improves the operability of the experiment table.
Description
Technical Field
The invention relates to the technical field of bearing lubrication, in particular to a high-speed rolling bearing lubrication experiment table.
Background
The bearing has irreplaceable function in the mechanical field, and the oil film state in the running of the bearing is observed, so that the bearing performance can be improved and the service life of the bearing can be prolonged by further knowing the failure principle of the bearing. The related bearing experiment machine literature is consulted from the aspects of a high-speed rolling bearing oil gas lubrication experiment table, a rolling bearing experiment table dynamic load loading, a Labview-based motor control system, a lever structure experiment table, oil film observation and the like, and a plurality of researches are also carried out in China, but the prior experiment table structure is of an integral fixed type, and the problems that the loading structure is too simple, the loading is inaccurate and the oil film distribution is unfavorable for observation exist.
Disclosure of Invention
In view of the above, the invention provides a high-speed rolling bearing lubrication experiment table, which can realize accurate loading of a target bearing, improves the overall stability and accuracy of the experiment table, is convenient to observe, and improves the operability of the experiment table.
The invention adopts the following specific technical scheme:
the invention provides a high-speed rolling bearing lubrication experiment table which comprises a bottom plate, supporting legs, a lever bearing plate, a motor, a main shaft, a bearing box, a lever loading mechanism and an experiment box body, wherein the supporting legs are arranged on the bottom plate;
the four corners of the bottom plate are fixedly provided with one supporting leg, and the supporting legs are used for supporting the bottom plate on the ground;
the lever bearing plate can be rotatably supported on the top of the bottom plate around a horizontal axis;
the motor is fixedly arranged on the lever bearing plate, and an output shaft of the motor is fixedly connected with one end part of the main shaft and used for driving the main shaft to rotate;
the middle part of the main shaft is rotatably supported on the lever bearing plate through the bearing box and a bearing arranged in the bearing box, and the other end part of the main shaft extends into the experiment box and is fixedly provided with an inner shaft sleeve;
the bottom of the experiment box body is fixedly arranged on the top surface of the bottom plate;
an inner ring is fixedly arranged on the outer peripheral side of the inner sleeve; the outer peripheral surface of the inner ring is provided with a circular groove;
a glass outer ring coaxial with the inner ring is fixedly arranged in the experiment box body; a plurality of balls are uniformly distributed in the annular space between the glass outer ring and the circular groove; lubricating oil is filled between the balls and the glass outer ring; the glass outer ring, the balls and the inner ring are used for simulating a rolling bearing;
windows convenient for observation are reserved on the top and the side surfaces of the experimental box body;
the lever loading mechanism is arranged on the bottom plate and the lever bearing plate and is used for providing radial loading force for the inner ring through the lever bearing plate.
Still further, the lever loading mechanism comprises a portal frame, a screw rod, a tension and compression sensor, a fish eye lifting ring screw rod, a steel wire, a spring, a lifting ring bolt and a butterfly nut;
the bottom end of the portal frame is fixedly arranged at one end part of the lever bearing plate, which is far away from the experiment box body;
the top end of the tension-compression sensor is hoisted to the portal frame through the screw rod, and the bottom end of the tension-compression sensor is connected with the steel wire through the fish eye lifting ring screw rod;
a rotating shaft is arranged at the outer end part of the bottom plate at one side of the portal frame;
the rotation axis of the rotating shaft is parallel to the horizontal axis of the lever bearing plate;
the steel wire bypasses the rotating shaft to realize the transformation from the vertical direction to the horizontal direction;
the other end of the steel wire is connected with the spring, and the other end of the spring is connected with the eye bolt;
the other end of the eye bolt passes through a connecting piece fixedly arranged on the bottom plate and is in threaded connection with the butterfly nut;
during loading, the butterfly nut is rotated, the spring is stretched through the eye bolt, and then the steel wire, the fisheye eye screw rod and the screw rod pull the portal frame, so that the lever bearing plate can rotate anticlockwise around the horizontal axis, and radial loading of the inner ring is achieved.
Further, the motor is fixedly arranged on the lever bearing plate through a motor supporting frame;
the output shaft of the motor is connected with the main shaft through a plum blossom elastic coupling;
the bearings in the bearing box comprise deep groove ball bearings and a pair of parallel angular contact ball bearings which are opposite along the axial direction of the main shaft;
along the axial direction of main shaft, the both ends of bearing box all fixedly connected with end cover, the end cover is provided with wears to establish the centre bore of main shaft.
Still further, a guard pin is included;
the lever bearing plate is fixedly provided with a connecting plate towards one end part of the experiment box body;
the bottom end of the connecting plate is provided with a through hole, and the axial lead of the through hole is parallel to the horizontal axis;
the top surface of the bottom plate is fixedly provided with a connecting block opposite to the connecting plate;
the connecting block is provided with a pin hole coaxial with the through hole;
the protection pin is inserted into the through hole and the pin hole and used for keeping the lever bearing plate in a horizontal state.
Further, pin shafts are symmetrically arranged on two sides of the bottom plate, and the pin shafts are coincident with the horizontal axis;
the outer end part of the pin shaft is sleeved with a bearing;
the lever bearing plates are provided with rotating plates which are in one-to-one correspondence with the pin shafts;
the rotating plates are sleeved on the outer peripheral side of the bearing, and the rotating plates on two sides and the bearing form two fulcrums of the lever bearing plate.
Further, the glass outer ring is a sapphire ring.
Still further, a microscope and a high speed camera are included disposed opposite the window.
The beneficial effects are that:
the high-speed rolling bearing lubrication experiment table adopts a lever type structure, a lever bearing plate capable of rotating around a horizontal axis is manufactured at the top of a bottom plate, a motor and a main shaft are both arranged on the lever bearing plate, an experiment box body is fixedly arranged on the bottom plate, the end part of the main shaft extends into the experiment box body, an inner shaft sleeve is arranged at the end part of the main shaft in the experiment box body, and a glass outer ring, a ball and an inner ring for simulating a rolling bearing are arranged on the inner shaft sleeve; windows convenient for observation are reserved on the top and the side surface of the experimental box body; the lever loading mechanism is arranged on the bottom plate and the lever bearing plate and is used for providing radial loading force for the inner ring through the lever bearing plate; the high-speed rolling bearing lubrication experiment table adopting the structure can simulate the high-speed rotation of the rolling bearing, and realize more accurate loading; the inner sleeve structure design is adopted, so that the precision maintainability of the main shaft under the condition of multiple disassembly and assembly of the experimental bearing in actual use is ensured, the debugging difficulty of the test bed is reduced, and the precision is improved; meanwhile, the novel design of the overall lever type structure and the inner sleeve-experimental bearing combination is adopted, so that the overall size of the experiment table is reduced, the accurate loading of the target bearing is realized, the overall stability and the accuracy of the experiment table are improved, and the operability of the experiment table is improved; through the window and the glass outer ring of the experiment box body, the lubrication condition and the running condition of the rolling bearing are convenient to observe.
Drawings
FIG. 1 is a schematic perspective view of a lubrication experiment table for a high-speed rolling bearing;
FIG. 2 is a bottom view of the high speed rolling bearing lubrication laboratory bench of FIG. 1;
FIG. 3 is a left side view of the high speed rolling bearing lubrication bench of FIG. 1;
fig. 4 is a cross-sectional view of section A-A of the high-speed rolling bearing lubrication laboratory table of fig. 3.
Wherein, 1-bottom plate, 2-landing leg, 3-lever bearing plate, 4-motor, 5-main shaft, 6-bearing box, 7-experiment box, 8-inner axle sleeve, 9-inner ring, 10-glass outer ring, 11-ball, 12-window, 13-portal frame, 14-screw, 15-tension and compression sensor, 16-fish eye flying ring screw, 17-wire, 18-spring, 19-flying ring bolt, 20-butterfly nut, 21-spindle, 22-connecting piece, 23-motor support frame, 24-plum blossom elastic coupling, 25-deep groove ball bearing, 26-angular contact ball bearing, 27-end cover, 28-protection pin, 29-connecting plate, 30-connecting block, 31-pin roll, 32-bearing, 33-rotating plate, 34-right end cover
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment of the invention provides a high-speed rolling bearing lubrication experiment table, which is shown in figures 1, 2, 3 and 4, and comprises a bottom plate 1, supporting legs 2, a lever bearing plate 3, a motor 4, a main shaft 5, a bearing box 6, a lever loading mechanism and an experiment box body 7;
the four corners of the bottom plate 1 are fixedly provided with a supporting leg 2, and the supporting leg 2 is used for supporting the bottom plate 1 on the ground and forming a space between the bottom plate 1 and the ground;
the lever bearing plate 3 is rotatably supported on the top of the bottom plate 1 around a horizontal axis; in the present embodiment, taking the base plate 1 as an example, the length direction of the base plate 1 is transverse and parallel to the axial direction of the spindle 5; the width direction of the bottom plate 1 is longitudinal and parallel to the horizontal axis; the thickness direction of the bottom plate 1 is a vertical direction; the horizontal axis is vertical to the axis line and the vertical direction of the main shaft 5 at the same time;
the motor 4 is fixedly arranged on the lever bearing plate 3, and an output shaft of the motor 4 is fixedly connected with one end part of the main shaft 5 and is used for driving the main shaft 5 to rotate; the motor 4 can be fixedly arranged on the lever bearing plate 3 through a motor supporting frame 23; the motor support frame 23, the motor 4 and the lever bearing plate 3 are fixedly connected through bolts; the output shaft of the motor 4 and the main shaft 5 can be connected through a plum blossom elastic coupling 24; the rotation speed of the motor 4 needs to reach 0-10000 rpm, and can maintain 10000rpm to stably run; the motor 4 can be selected from the product NV310EAW of Paker; the quincuncial elastic coupling 24 is adopted to offset the thermal elongation generated by the assembly and the high-speed rotation of the main shaft 5; in this embodiment, the diameter of the output shaft of the motor 4 may be 12mm, the diameter of the connecting section of the spindle 5 and the motor 4 may be 24mm, and the diameter of the middle section of the spindle 5 may be 35mm;
the middle part of the main shaft 5 is rotatably supported on the lever bearing plate 3 through a bearing box 6 and a bearing arranged in the bearing box 6, and the other end part of the main shaft extends into an experiment box 7 and is fixedly provided with an inner shaft sleeve 8; as shown in fig. 4, the end of the main shaft 5 is provided with a central threaded hole, the inner shaft sleeve 8 is provided with external threads, and the threaded part of the inner shaft sleeve 8 is screwed into the central threaded hole of the main shaft 5 to realize threaded connection; the inner shaft sleeve 8 is convenient to replace through a detachable connecting structure such as threaded connection of the inner shaft sleeve 8 and the main shaft 5, so that experiments on different rolling bearings are realized;
the bottom of the experiment box 7 is fixedly arranged on the top surface of the bottom plate 1;
an inner ring 9 is fixedly arranged on the outer periphery side of the inner shaft sleeve 8; the outer peripheral surface of the inner ring 9 is provided with a circular groove; a glass outer ring 10 coaxial with the inner ring 9 is fixedly arranged in the experiment box body 7; a plurality of balls 11 are uniformly distributed in the annular space between the glass outer ring 10 and the circular groove; lubricating oil is filled between the balls 11 and the glass outer ring 10; the glass outer ring 10, the balls 11 and the inner ring 9 are used for simulating a rolling bearing; the glass outer ring 10 can be a sapphire ring; the balls 11 may be steel balls;
the top and the side of the experiment box body 7 are provided with windows 12 which are convenient to observe, the top of the experiment box body 7 can be provided with rectangular windows 12, the two sides can be respectively provided with a left end cover 27 and a right end cover 34, and the right end cover 34 is provided with an arc window 12;
the lever loading mechanism is arranged on the bottom plate 1 and the lever bearing plate 3 and is used for providing radial loading force for the inner ring 9 through the lever bearing plate 3; as shown in fig. 2, 3 and 4, the lever loading mechanism may include a portal frame 13, a screw 14, a tension and compression sensor 15, a fisheye eye screw 16, a wire 17, a spring 18, an eye bolt 19, and a wing nut 20; the bottom end of the portal frame 13 is fixedly arranged at one end part of the lever bearing plate 3 far away from the experiment box 7; the top end of the tension and compression sensor 15 is hoisted on the portal frame 13 through a screw 14, and the bottom end of the tension and compression sensor is connected with a steel wire 17 through a fish eye hoisting ring screw 16; a rotating shaft 21 is arranged at the outer end part of the bottom plate 1 at one side of the portal frame 13; the rotation axis of the rotating shaft 21 is parallel to the horizontal axis of the lever bearing plate 3; the steel wire 17 bypasses the rotating shaft 21 to realize the transition from the vertical direction to the horizontal direction; the other end of the steel wire 17 is connected with a spring 18, and the other end of the spring 18 is connected with an eye bolt 19; the other end of the eye bolt 19 passes through a connecting piece 22 fixedly arranged on the bottom plate 1 and is in threaded connection with a butterfly nut 20; during loading, the butterfly nut 20 is rotated, the spring 18 is stretched through the eye bolt 19, the portal frame 13 is pulled through the steel wire 17, the fish eye bolt 16 and the screw 14, the lever bearing plate 3 can rotate anticlockwise around the horizontal axis, and the glass outer ring 10 is fixed and moves, so that the inner ring 9 moves radially relative to the glass outer ring 10, and radial loading of the inner ring 9 is realized.
The high-speed rolling bearing lubrication experiment table adopts a lever type structure, a lever bearing plate 3 capable of rotating around a horizontal axis is manufactured at the top of a bottom plate 1, a motor 4 and a main shaft 5 are both arranged on the lever bearing plate 3, an experiment box 7 is fixedly arranged on the bottom plate 1, the end part of the main shaft 5 stretches into the experiment box 7, an inner shaft sleeve 8 is arranged at the end part of the main shaft 5 in the experiment box 7, and a glass outer ring 10, a ball 11 and an inner ring 9 for simulating a rolling bearing are arranged on the inner shaft sleeve 8; the top and the side of the experiment box 7 are provided with windows 12 which are convenient for observation; the lever loading mechanism is arranged on the bottom plate 1 and the lever bearing plate 3 and is used for providing radial loading force for the inner ring 9 through the lever bearing plate 3; the high-speed rolling bearing lubrication experiment table adopting the structure can simulate the high-speed rotation of the rolling bearing, and realize more accurate loading; the structural design of the inner shaft sleeve 8 is adopted, so that the precision maintainability of the main shaft 5 under the condition of multiple times of disassembly and assembly of the experimental bearing in actual use is ensured, the debugging difficulty of the test bed is reduced, and the precision is improved; meanwhile, the novel design of the overall lever type structure and the inner shaft sleeve 8-experimental bearing combination is adopted, so that the overall size of the experiment table is reduced, the accurate loading of the target bearing is realized, the overall stability and the accuracy of the experiment table are improved, and the operability of the experiment table is improved; the lubrication condition and the running condition of the rolling bearing are convenient to observe through the window 12 of the experiment box body 7 and the glass outer ring 10.
By adopting the lever loading mechanism, the loading force can be accurately measured through the tension and compression sensor 15, the stable steering of the force is realized by bypassing the rotating shaft 21 through the steel wire 17, the loading can be buffered through the spring 18, and the loading force is balanced and stable.
As shown in fig. 4, the bearings in the bearing housing 6 include a deep groove ball bearing 25 and a pair of juxtaposed angular contact ball bearings 26, which are opposed in the axial direction of the main shaft 5; along the axial direction of the main shaft 5, the two ends of the bearing box 6 are fixedly connected with end covers 27, and the end covers 27 are provided with a central hole penetrating through the main shaft 5. The deep groove ball bearing 25 and the angular contact ball bearing 26 can stably support the main shaft 5, and ensure rotation accuracy. In the actual assembly process, the inner rings of the deep groove ball bearings 25 and the angular contact ball bearings 26, which are opposite, can be axially limited through the shaft shoulders of the main shaft 5, the outer rings of the deep groove ball bearings 25 and the angular contact ball bearings 26, which are opposite, can be axially limited through the outer bushings sleeved in the bearing box 6, and the inner rings and the outer rings of the deep groove ball bearings 25 and the angular contact ball bearings 26, which are outside, can be axially limited through the end covers 27 fixedly mounted at the two ends of the bearing seat.
As shown in fig. 1 and 3, the above-mentioned high-speed rolling bearing lubrication experiment table further includes a guard pin 28; the lever bearing plate 3 is fixedly provided with a connecting plate 29 at one end part facing the experiment box 7; the connecting plate 29 can be of an inverted L-shaped structure, and the top end of the connecting plate is fixedly arranged on the top surface of the lever bearing plate 3; the bottom end of the connecting plate 29 is provided with a through hole, and the axial lead of the through hole is arranged in parallel with the horizontal axis; the top surface of the bottom plate 1 is fixedly provided with a connecting block 30 which is opposite to the connecting plate 29; the connection block 30 is provided with a pin hole coaxial with the through hole; the protection pins 28 are inserted into the through holes and the pin holes, and are used for keeping the lever bearing plate 3 in a horizontal state.
The added protection pin 28 allows the protection pin 28 to be inserted into the holes of the connecting block 30 and the connecting plate 29 when the test bench is assembled or not, and the lever bearing plate 3 is placed in a horizontal state by the protection pin 28. In order to ensure the balance of the forces on both sides, the lever bearing plate 3 may be symmetrically provided with protection pins 28 on both sides.
As shown in fig. 1 and 3, the two sides of the bottom plate 1 are symmetrically provided with pin shafts 31, and the pin shafts 31 are coincident with the horizontal axis; the outer end part of the pin shaft 31 is sleeved with a bearing 32; the lever bearing plate 3 is provided with rotating plates 33 which are in one-to-one correspondence with the pin shafts 31; the rotating plate 33 is sleeved on the outer peripheral side of the bearing 32, and the rotating plates 33 on the two sides and the bearing 32 form two fulcrums of the lever bearing plate 3.
Through the running fit between the bearing 32 on the pin shaft 31 and the rotating plate 33, two rotation fulcra of the lever bearing plate 3 along the horizontal axis are realized, so that the rotation of the lever bearing plate 3 around the two pin shafts 31 can be realized under the action of the lever loading mechanism, when the lever loading mechanism loads, as in fig. 4, the lever bearing plate 3 rotates anticlockwise, the main shaft 5 at one end of the inner shaft sleeve 8 rotates upwards, the loading acts on the inner ring 9, and the ball 11 acts on the glass outer ring 10, so that the loading of the rolling bearing is realized.
In order to facilitate observation and recording of the rolling bearing rotation process, the high-speed rolling bearing lubrication experiment table further comprises a microscope and a high-speed camera which are arranged opposite to the window 12, and fine structure and tissue changes in the rolling bearing rotation process can be recorded and shot through the microscope and the high-speed camera, so that follow-up careful analysis is facilitated.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The high-speed rolling bearing lubrication experiment table is characterized by comprising a bottom plate, supporting legs, a lever bearing plate, a motor, a main shaft, a bearing box, a lever loading mechanism and an experiment box body;
the four corners of the bottom plate are fixedly provided with one supporting leg, and the supporting legs are used for supporting the bottom plate on the ground;
the lever bearing plate can be rotatably supported on the top of the bottom plate around a horizontal axis;
the motor is fixedly arranged on the lever bearing plate, and an output shaft of the motor is fixedly connected with one end part of the main shaft and used for driving the main shaft to rotate;
the middle part of the main shaft is rotatably supported on the lever bearing plate through the bearing box and a bearing arranged in the bearing box, and the other end part of the main shaft extends into the experiment box and is fixedly provided with an inner shaft sleeve;
the bottom of the experiment box body is fixedly arranged on the top surface of the bottom plate;
an inner ring is fixedly arranged on the outer peripheral side of the inner sleeve; the outer peripheral surface of the inner ring is provided with a circular groove;
a glass outer ring coaxial with the inner ring is fixedly arranged in the experiment box body; a plurality of balls are uniformly distributed in the annular space between the glass outer ring and the circular groove; lubricating oil is filled between the balls and the glass outer ring; the glass outer ring, the balls and the inner ring are used for simulating a rolling bearing;
windows convenient for observation are reserved on the top and the side surfaces of the experimental box body;
the lever loading mechanism is arranged on the bottom plate and the lever bearing plate and is used for providing radial loading force for the inner ring through the lever bearing plate.
2. The laboratory bench of claim 1, wherein said lever loading mechanism comprises a gantry, a screw, a tension-compression sensor, a fish eye screw, a wire, a spring, an eye bolt, and a wing nut;
the bottom end of the portal frame is fixedly arranged at one end part of the lever bearing plate, which is far away from the experiment box body;
the top end of the tension-compression sensor is hoisted to the portal frame through the screw rod, and the bottom end of the tension-compression sensor is connected with the steel wire through the fish eye lifting ring screw rod;
a rotating shaft is arranged at the outer end part of the bottom plate at one side of the portal frame;
the rotation axis of the rotating shaft is parallel to the horizontal axis of the lever bearing plate;
the steel wire bypasses the rotating shaft to realize the transformation from the vertical direction to the horizontal direction;
the other end of the steel wire is connected with the spring, and the other end of the spring is connected with the eye bolt;
the other end of the eye bolt passes through a connecting piece fixedly arranged on the bottom plate and is in threaded connection with the butterfly nut;
during loading, the butterfly nut is rotated, the spring is stretched through the eye bolt, and then the steel wire, the fisheye eye screw rod and the screw rod pull the portal frame, so that the lever bearing plate can rotate anticlockwise around the horizontal axis, and radial loading of the inner ring is achieved.
3. The laboratory bench of claim 2 wherein said motor is fixedly mounted to said lever bearing plate by a motor support bracket;
the output shaft of the motor is connected with the main shaft through a plum blossom elastic coupling;
the bearings in the bearing box comprise deep groove ball bearings and a pair of parallel angular contact ball bearings which are opposite along the axial direction of the main shaft;
along the axial direction of main shaft, the both ends of bearing box all fixedly connected with end cover, the end cover is provided with wears to establish the centre bore of main shaft.
4. The laboratory bench of claim 1, further comprising a guard pin;
the lever bearing plate is fixedly provided with a connecting plate towards one end part of the experiment box body;
the bottom end of the connecting plate is provided with a through hole, and the axial lead of the through hole is parallel to the horizontal axis;
the top surface of the bottom plate is fixedly provided with a connecting block opposite to the connecting plate;
the connecting block is provided with a pin hole coaxial with the through hole;
the protection pin is inserted into the through hole and the pin hole and used for keeping the lever bearing plate in a horizontal state.
5. The laboratory bench of claim 4 wherein pins are symmetrically disposed on both sides of said bottom plate, said pins coinciding with said horizontal axis;
the outer end part of the pin shaft is sleeved with a bearing;
the lever bearing plates are provided with rotating plates which are in one-to-one correspondence with the pin shafts;
the rotating plates are sleeved on the outer peripheral side of the bearing, and the rotating plates on two sides and the bearing form two fulcrums of the lever bearing plate.
6. The laboratory bench of claim 1 wherein the glass outer race is a sapphire ring.
7. The laboratory bench of any of claims 1-6, further comprising a microscope and a high-speed camera disposed opposite said window.
Priority Applications (1)
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CN202310213916.4A CN116223033A (en) | 2023-03-08 | 2023-03-08 | High-speed antifriction bearing lubrication experiment table |
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CN202310213916.4A CN116223033A (en) | 2023-03-08 | 2023-03-08 | High-speed antifriction bearing lubrication experiment table |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116929760A (en) * | 2023-09-14 | 2023-10-24 | 烟台华顺机械工程设备有限公司 | Rolling bearing oil-gas lubrication system |
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2023
- 2023-03-08 CN CN202310213916.4A patent/CN116223033A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116929760A (en) * | 2023-09-14 | 2023-10-24 | 烟台华顺机械工程设备有限公司 | Rolling bearing oil-gas lubrication system |
CN116929760B (en) * | 2023-09-14 | 2023-12-26 | 烟台华顺机械工程设备有限公司 | Rolling bearing oil-gas lubrication system |
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