CN216978362U - Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine - Google Patents
Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine Download PDFInfo
- Publication number
- CN216978362U CN216978362U CN202123004385.3U CN202123004385U CN216978362U CN 216978362 U CN216978362 U CN 216978362U CN 202123004385 U CN202123004385 U CN 202123004385U CN 216978362 U CN216978362 U CN 216978362U
- Authority
- CN
- China
- Prior art keywords
- thrust
- thrust bearing
- diesel engine
- test bed
- bush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses an axial bearing capacity test bed for a thrust bearing bush of a medium-speed diesel engine, which relates to the technical field of marine diesel engines, and particularly relates to an axial bearing capacity test bed for the thrust bearing bush of the medium-speed diesel engine. This intermediate speed diesel engine thrust axle bush axial bearing capacity test bench drives through buncher, speed reducer and is carried out sliding friction by thrust bearing and thrust axle bush, and the pneumatic cylinder applys axial thrust or pulling force to the thrust axle bush through spherical cutting head to let thrust bearing contact with the thrust side of thrust axle bush, through increasing thrust or pulling force, can effectual verification thrust axle bush's axial bearing capacity.
Description
Technical Field
The utility model relates to the technical field of marine diesel engines, in particular to a thrust bearing bush axial bearing capacity test bed for a medium-speed diesel engine.
Background
During the operation of a marine diesel engine, a crankshaft of the diesel engine generally receives external thrust which is harmful to the operation of the diesel engine, and a thrust bearing bush is installed inside the diesel engine to resist the thrust and reduce the influence of the thrust on the crankshaft. The thrust bearing shell is generally installed in a fixed manner, generates sliding friction with the crankshaft, and is lubricated by lubricating oil. If the axial bearing capacity of the thrust bearing bush is poor, after the diesel engine runs for a certain time, the diesel engine cannot run due to reasons such as overheating and burning loss of the thrust bearing bush, and the crankshaft of the diesel engine is damaged.
According to the above situation, the axial bearing capacity of the thrust bearing bush platform test should be verified, and during verification, because the thrust bearing bush is in a continuous loss state, the thrust bearing bush needs to be monitored in real time, the problem that the hydraulic rod is broken due to the fact that the hydraulic rod is generated by axial force of a bearing on the hydraulic rod caused by overlarge loss of the bearing bush and breakage of the bearing bush is solved, and because lubricating oil needs to be added to the thrust bearing bush in the verification process, but the lubricating oil splashes due to rotation of the bearing, a protective structure is needed, and the lubricating oil is a reusable resource, so that collection of the lubricating oil is very necessary, in the protection process of the hydraulic rod, the protective mechanism needs to be adjusted according to the loss of the thrust bearing bush, the hydraulic rod is prevented from being excessively protected by the protective mechanism, and the protective mechanism needs to be convenient to withdraw, the axial bearing capacity test bed for the thrust bearing bush of the medium-speed diesel engine is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a test bed for axial bearing capacity of a thrust bearing bush of a medium-speed diesel engine, which solves the problems in the background art.
In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a medium speed diesel engine thrust axle bush axial bearing capacity test bench, includes the test bench, the left side fixed mounting of test bench upper surface has buncher, install the speed reducer on buncher's the output shaft, install the torque tachometer on the transmission shaft of speed reducer, the right side of speed reducer is provided with thrust bearing, thrust bearing's surface is provided with thrust axle bush, thrust axle bush's front side is provided with the fixed plate, fixed plate fixed mounting is at the upper surface of test bench, the inboard fixed mounting of fixed plate has the pneumatic cylinder, fixed mounting has spherical cutting head on the hydraulic stem of pneumatic cylinder.
Optionally, a limit groove is formed in the upper surface of the test bed, a protective cover is movably mounted in the limit groove formed in the upper surface of the test bed, the thrust bearing and the thrust bearing bush are located in an inner cavity of the protective cover, a clamping groove matched with a transmission shaft of the speed reducer is formed in the left surface of the protective cover, and a through groove matched with the spherical pushing head is formed in the front surface of the protective cover.
Optionally, a collecting groove is formed in the right side of the upper surface of the test bed, the collecting groove is communicated with the mounting groove of the protective cover, and the depth of the collecting groove is greater than that of the mounting groove of the protective cover.
Optionally, the right surface of the protective cover is provided with an installation groove, and a distance measuring instrument is fixedly installed in the installation groove formed in the right surface of the protective cover.
Optionally, the downside of test bench hydraulic stem is provided with the lift cover, the inboard fixed mounting of lift cover has the installation base member, equal movable mounting in both sides has the worm wheel around the installation base member, top in the installation base member is provided with driving motor, fixed mounting has the worm on driving motor's the output shaft, the fixed orifices has been seted up at the middle part of worm wheel, fixed mounting has the bull stick in the fixed orifices that the worm wheel middle part was seted up, the equal fixed mounting in both sides of bull stick has the actuating arm, the other end fixed mounting of actuating arm has the lifter, the top fixed mounting of lifter has the bearing platform, the middle part fixed mounting of bearing platform has a supporting bench.
Optionally, the lifting rod is in an i shape, and an i-shaped sliding groove matched with the lifting sleeve is formed in the bearing table.
Optionally, the support platform is shaped like a plate and a circular tube, and the inner diameter of the support platform is equal to the diameter of the hydraulic rod of the hydraulic cylinder.
The utility model provides a test bed for axial bearing capacity of a thrust bearing bush of a medium-speed diesel engine, which has the following beneficial effects:
1. this medium speed diesel engine thrust axle bush axial bearing capacity test bench drives through buncher, speed reducer and is carried out sliding friction by thrust bearing and thrust axle bush, and the pneumatic cylinder applys axial thrust or pulling force to the thrust axle bush through spherical pushing head to let thrust bearing contact with the thrust side of thrust axle bush, through increasing thrust or pulling force, can effectual verification thrust axle bush's axial bearing capacity.
2. This intermediate speed diesel engine thrust axle bush axial bearing capacity test bench can shelter from the lubricating oil that splashes when verifying the in-process and rotating thrust bearing through the protection casing, avoids lubricating oil to cause the pollution to the surrounding environment, leads to the problem that is difficult to the clearance to appear, can detect thrust bearing and thrust axle bush through the interval measuring apparatu and verify the interval after, with this loss degree that detects thrust axle bush at every turn, so that timely adjustment supporting bench protects the hydraulic stem.
3. This intermediate speed diesel engine thrust axle bush axial bearing capacity test bench through starting drive motor, can make the worm rotate to drive the worm wheel and rotate, and then make the bull stick rotate, realize the drive arm to the rising of lifter, make the supporting bench support the hydraulic stem with this, when can effectually avoiding thrust axle bush to damage, the thrust bearing causes the damage to the hydraulic stem, can be convenient for verify the limit thrust performance of thrust axle bush simultaneously.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic three-dimensional structure of a thrust bearing shell according to the present invention;
FIG. 3 is a schematic three-dimensional structure of the ball-shaped pushing head of the present invention;
FIG. 4 is a schematic perspective view of a support stage according to the present invention;
fig. 5 is a schematic structural view of a three-dimensional explosion at the lifting rod of the present invention.
In the figure: 1. a test bed; 2. a speed-regulating motor; 3. a speed reducer; 4. a torque tachometer; 5. a thrust bearing; 6. a thrust bearing bush; 7. a protective cover; 8. a distance measuring instrument; 9. collecting tank; 10. a fixing plate; 11. a hydraulic cylinder; 12. a spherical pushing head; 13. a lifting sleeve; 14. installing a base body; 15. a worm gear; 16. a drive motor; 17. a worm; 18. a rotating rod; 19. a drive arm; 20. a lifting rod; 21. a bearing table; 22. and a support table.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a test bed for axial bearing capacity of a thrust bearing bush of a medium-speed diesel engine comprises a test bed 1, wherein a speed regulating motor 2 is fixedly arranged on the left side of the upper surface of the test bed 1, a speed reducer 3 is arranged on an output shaft of the speed regulating motor 2, a torque tachometer 4 is arranged on a transmission shaft of the speed reducer 3, can be matched with the simulation of the running rotating speed of a diesel engine, adopts the combination of a stepless speed change speed regulating motor 2 and a speed reducer 3 to output the rotating speed of zero to one thousand revolutions per minute, torque and rotating speed are monitored on line through a torque tachometer 4, a thrust bearing 5 is arranged on the right side of the speed reducer 3, a thrust bearing bush 6 is arranged on the outer surface of the thrust bearing 5, a fixing plate 10 is arranged on the front side of the thrust bearing bush 6, the fixing plate 10 is fixedly installed on the upper surface of the test bed 1, a hydraulic cylinder 11 is fixedly installed on the inner side of the fixing plate 10, and a spherical push head 12 is fixedly installed on a hydraulic rod of the hydraulic cylinder 11.
Please refer to fig. 2, a limit groove is formed in the upper surface of the test bed 1, a protective cover 7 is movably mounted in the limit groove formed in the upper surface of the test bed 1, the protective cover 7 can be used for protecting splashed lubricating oil, the problem that the lubricating oil splashes to the surface of the test bed 1 and is difficult to clean is solved, the thrust bearing 5 and the thrust bearing bush 6 are located in an inner cavity of the protective cover 7, a clamping groove matched with a transmission shaft of the speed reducer 3 is formed in the left surface of the protective cover 7, a through groove matched with the spherical push head 12 is formed in the front surface of the protective cover 7, and when the lubricating oil is protected, the spherical push head 12 can apply axial force to the thrust bearing bush 6 conveniently.
Please refer to fig. 3, a collecting groove 9 is formed on the right side of the upper surface of the test bed 1, the collecting groove 9 is communicated with the mounting groove of the protection cover 7, the depth of the collecting groove 9 is greater than that of the mounting groove of the protection cover 7, and the lubricating oil on the inner cavity wall of the protection cover 7 can be collected by using the collecting groove 9, so that the lubricating oil can be reused by the worker conveniently, and the verification cost can be effectively saved.
Referring to fig. 3, a mounting groove is formed in the right surface of the protection cover 7, an interval measuring instrument 8 is fixedly mounted in the mounting groove formed in the right surface of the protection cover 7, the interval measuring instrument 8 can be used for monitoring the loss of the thrust bearing bush 6, so that a worker can conveniently collect data, and meanwhile, the support table 22 can be timely adjusted to protect hydraulic pressure.
Referring to fig. 4 and 5, a lifting sleeve 13 is disposed on the lower side of a hydraulic rod of a test bed 1, a through groove matched with a driving arm 19 is formed on the inner side of the lifting sleeve 13, so that the driving arm 19 can drive the lifting rod 20 conveniently, an installation base 14 is fixedly installed on the inner side of the lifting sleeve 13, worm wheels 15 are movably installed on the front side and the rear side of the installation base 14, a driving motor 16 is disposed above the installation base 14, a worm 17 is fixedly installed on an output shaft of the driving motor 16, a fixing hole is formed in the middle of the worm wheel 15, a rotating rod 18 is fixedly installed in the fixing hole formed in the middle of the worm wheel 15, driving arms 19 are fixedly installed on the left side and the right side of the rotating rod 18, the lifting rod 20 is fixedly installed on the other end of the driving arm 19, the lifting rod 20 is in an "i" shape, an "i" shaped chute matched with the lifting sleeve 13 is formed in a bearing table 21, can increase the area of contact between lifter 20 and the lifting cover 13, thereby make and be connected inseparabler between lifting cover 13 and the lifter 20, and then can effectual improvement lifter 20 stability when the drive, the top fixed mounting of lifter 20 has bearing platform 21, the middle part fixed mounting of bearing platform 21 has a supporting bench 22, the shape of supporting bench 22 is the board pipe form, the internal diameter of supporting bench 22 equals the diameter of pneumatic cylinder 11 hydraulic stem, can be comprehensive support the hydraulic stem of pneumatic cylinder 11, when being convenient for offset thrust bearing bush 6 and break, thrust bearing 5 is to the axial force that the hydraulic stem was applyed, the realization is to pneumatic cylinder 11's protection.
To sum up, when the test stand for the axial bearing capacity of the thrust bearing bush of the medium speed diesel engine is used, firstly, a worker needs to install the protective cover 7 at the outer sides of the thrust bearing bush 5 and the thrust bearing bush 6, then the speed regulating motor 2, the speed reducer 3 and the torque tachometer 4 are started, so that the hydraulic cylinder 11 applies axial thrust or pulling force to the thrust bearing bush 6 through the spherical push head 12, the thrust bearing bush 5 is in contact with the thrust side of the thrust bearing bush 6, the axial bearing capacity of the thrust bearing bush 6 is verified by increasing the thrust or pulling force, in the verification process, the lubricating oil can splash due to the rotation of the thrust bearing bush 5 and the thrust bearing bush 6, the splashed lubricating oil can be blocked by the protective cover 7 and finally collected by the distance collecting tank 9, when the distance measuring instrument 8 detects that the loss of the thrust bearing bush 6 is extremely close, the driving motor 16 needs to be started, so that the worm 17 rotates, thereby, the worm wheel 15 is driven to rotate, the rotating rod 18 is further driven to rotate, the lifting rod 20 is lifted by the driving arm 19, the support table 22 is used for supporting the hydraulic rod, and the axial erection applied to the hydraulic rod by the thrust bearing 5 is offset.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a medium speed diesel engine thrust axle bush axial bearing capacity test bench, includes test bench (1), its characterized in that: the test bench is characterized in that a speed regulation motor (2) is fixedly mounted on the left side of the upper surface of the test bench (1), a speed reducer (3) is mounted on an output shaft of the speed regulation motor (2), a torque tachometer (4) is mounted on a transmission shaft of the speed reducer (3), a thrust bearing (5) is arranged on the right side of the speed reducer (3), a thrust bearing bush (6) is arranged on the outer surface of the thrust bearing bush (5), a fixing plate (10) is arranged on the front side of the thrust bearing bush (6), the fixing plate (10) is fixedly mounted on the upper surface of the test bench (1), a hydraulic cylinder (11) is fixedly mounted on the inner side of the fixing plate (10), and a spherical push head (12) is fixedly mounted on a hydraulic rod of the hydraulic cylinder (11).
2. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 1, wherein: the test bed is characterized in that a limiting groove is formed in the upper surface of the test bed (1), a protective cover (7) is movably mounted in the limiting groove formed in the upper surface of the test bed (1), the thrust bearing (5) and the thrust bearing bush (6) are located in an inner cavity of the protective cover (7), a clamping groove matched with a transmission shaft of the speed reducer (3) is formed in the left surface of the protective cover (7), and a through groove matched with the spherical pushing head (12) is formed in the front of the protective cover (7).
3. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 1, wherein: collecting vat (9) have been seted up on the right side of test bench (1) upper surface, collecting vat (9) are linked together with the mounting groove of protection casing (7), the degree of depth of collecting vat (9) is greater than the degree of depth of protection casing (7) mounting groove.
4. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 2, wherein: the right surface of the protection cover (7) is provided with an installation groove, and a distance measuring instrument (8) is fixedly installed in the installation groove formed in the right surface of the protection cover (7).
5. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 1, wherein: a lifting sleeve (13) is arranged on the lower side of the hydraulic rod of the test bed (1), a mounting base body (14) is fixedly arranged on the inner side of the lifting sleeve (13), worm gears (15) are movably arranged on the front side and the rear side of the mounting base body (14), a driving motor (16) is arranged above the mounting base body (14), a worm (17) is fixedly arranged on an output shaft of the driving motor (16), a fixing hole is arranged in the middle of the worm wheel (15), a rotating rod (18) is fixedly arranged in a fixed hole arranged in the middle of the worm wheel (15), driving arms (19) are fixedly arranged on the left side and the right side of the rotating rod (18), the other end of the driving arm (19) is fixedly provided with a lifting rod (20), the top of the lifting rod (20) is fixedly provided with a bearing table (21), and the middle of the bearing table (21) is fixedly provided with a supporting table (22).
6. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 5, wherein: the lifting rod (20) is I-shaped, and an I-shaped sliding groove matched with the lifting sleeve (13) is formed in the bearing platform (21).
7. The axial bearing capacity test bed for the thrust bearing bush of the medium speed diesel engine as claimed in claim 5, wherein: the supporting platform (22) is in a plate-round tube shape, and the inner diameter of the supporting platform (22) is equal to the diameter of a hydraulic rod of the hydraulic cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004385.3U CN216978362U (en) | 2021-12-02 | 2021-12-02 | Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004385.3U CN216978362U (en) | 2021-12-02 | 2021-12-02 | Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978362U true CN216978362U (en) | 2022-07-15 |
Family
ID=82345589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123004385.3U Active CN216978362U (en) | 2021-12-02 | 2021-12-02 | Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978362U (en) |
-
2021
- 2021-12-02 CN CN202123004385.3U patent/CN216978362U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102175455B (en) | Engine inclination testing equipment and platform | |
| CN216978362U (en) | Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine | |
| CN206161312U (en) | Gear box running -in test platform | |
| CN201532306U (en) | Rolling bearing fatigue life strengthened test machine | |
| CN106481792A (en) | Gear-box for EMU | |
| CN116223032A (en) | Axial bearing capacity test bed for thrust bearing bush of medium-speed diesel engine | |
| CN208306280U (en) | It is a kind of to tear tire equipment open for the dedicated of auto repair | |
| CN217582926U (en) | Coupling structure for motor butt-towing test bed | |
| CN109655265A (en) | A kind of magnetic suspension shafting protection bearing performance test machine | |
| CN205297742U (en) | Engine cold grinding heat is tried on clothes and is put | |
| CN115307910A (en) | Fault monitoring device and monitoring method for simulating gear of rotating unit | |
| CN201945452U (en) | Engine inclining experiment equipment and engine inclining experiment bench | |
| CN214215740U (en) | Automobile maintenance tool | |
| CN212706504U (en) | Special tool for installing camshaft of diesel engine | |
| CN208345709U (en) | A kind of engine lifting bracket for auto repair | |
| CN210427013U (en) | Drive shaft system bench test device for car | |
| CN113063586A (en) | Train gear box is vehicle axle strutting arrangement for no-load test bench and test bench thereof | |
| CN210923064U (en) | Train gear box is vehicle axle strutting arrangement for no-load test bench and test bench thereof | |
| CN215374459U (en) | Device for compression test of wave spring | |
| CN214621733U (en) | Sliding plate type automobile sideslip checkout stand calibrating device | |
| CN201069411Y (en) | Failure testing device for rolling bearer | |
| CN219497156U (en) | Safety device for preventing toxic and harmful gas from leaking | |
| CN211680812U (en) | Cylinder jacket press-fitting device | |
| CN219831176U (en) | Gearbox temperature rise test bench | |
| CN219657155U (en) | FPSO single-point liquid slip ring test tool platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |