CN114001960A - Inverted tilting pad sliding bearing test bed - Google Patents
Inverted tilting pad sliding bearing test bed Download PDFInfo
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- CN114001960A CN114001960A CN202111269413.6A CN202111269413A CN114001960A CN 114001960 A CN114001960 A CN 114001960A CN 202111269413 A CN202111269413 A CN 202111269413A CN 114001960 A CN114001960 A CN 114001960A
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- tilting pad
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
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- 230000003068 static effect Effects 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 57
- 239000010687 lubricating oil Substances 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
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- 238000002347 injection Methods 0.000 description 3
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- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Sliding-Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an inverted tilting pad sliding bearing test bed, which comprises: a frame; a main shaft for mounting a tilting pad sliding bearing, the main shaft being rotatably supported on the frame; the loading seat is fixed on the shell of the tilting pad sliding bearing; one end of the flexible connecting piece is connected to the rack in a hanging mode, and the other end of the flexible connecting piece is fixedly connected with the loading seat; the output end of the loader acts on the loading seat; and the output end of the vibration exciter acts on the loading seat. By the test bed, dynamic characteristic and static characteristic tests and performance researches of the sliding bearing are completed by simulating the tilting pad bearing in normal work, and help is provided for further optimizing the bearing structure.
Description
Technical Field
The application relates to the technical field of bearing loading tests, in particular to an inverted tilting pad sliding bearing test bed.
Background
In many large-scale rotating machinery equipment, such as water turbines, steam turbines, nuclear power plants, etc., common sliding bearings have been unable to meet the requirements of high bearing capacity and low power consumption, while tilting pad sliding bearings have a multi-pad structure and are capable of self-aligning, thus having higher bearing capacity and more stable performance compared with the conventional bearings.
At present, dynamic performance and static performance tests of the tilting pad sliding bearing are mostly based on theoretical calculation and CFD simulation calculation, and actual test tests are not carried out.
Disclosure of Invention
In view of this, the embodiment of the present application provides an inverted tilting pad sliding bearing test bed to implement the test of the dynamic performance and the static performance of the tilting pad sliding bearing.
According to the embodiment of the application, an inverted tilting pad sliding bearing test bed is provided, which is characterized by comprising:
a frame;
a main shaft for mounting a tilting pad sliding bearing, the main shaft being rotatably supported on the frame;
the loading seat is fixed on the shell of the tilting pad sliding bearing;
one end of the flexible connecting piece is connected to the rack in a hanging mode, and the other end of the flexible connecting piece is fixedly connected with the loading seat;
the output end of the loader acts on the loading seat; and
and the output end of the vibration exciter acts on the loading seat.
Further, the loader includes:
a linear telescopic mechanism; and
and the pressure sensor is arranged at the output end of the linear telescopic mechanism and acts on the shell of the tilting pad sliding bearing through the stretching of the linear telescopic mechanism.
Furthermore, the linear telescopic mechanism adopts a structure that a worm gear drives a lead screw to move axially.
Further, still include: and the motor is used for driving the main shaft to rotate.
Further, still include: and the transmission mechanism is connected between the motor and the main shaft.
Furthermore, the transmission mechanism comprises a first coupler, a belt transmission mechanism and a second coupler which are connected in sequence.
Further, the torque measuring device is further included and connected between the motor and the main shaft.
Further, still include the oil piping system, the oil piping system includes:
an oil pump; and
and one end of the oil inlet and outlet pipeline is communicated with an oil outlet of the oil pump, and the other end of the oil inlet and outlet pipeline is communicated with an oil inlet of the tilting pad sliding shaft.
Furthermore, the vibration exciter further comprises an angle adjusting piece, and the vibration exciter is mounted on the rack through the angle adjusting piece.
Further, angle modulation spare includes mounting panel and regulating plate, the vibration exciter is fixed on the mounting panel, the mounting panel is fixed on the regulating plate, there is the regulation annular on the regulating plate, passes the bolt connect soon behind regulation annular and angle regulation in the frame.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
according to the embodiment, the loader can realize load size change, and later-period measurement of static characteristics (such as oil film thickness, lubricating oil temperature, lubricating oil pressure and the like) of the sliding bearing is facilitated. In a dynamic performance test, the loading seat is excited by the vibration exciter to indirectly realize the excitation of the tilting pad bearing, and the dynamic response test of the bearing can be carried out after the excitation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic perspective view of an inverted tiltable pad sliding bearing test stand according to an exemplary embodiment.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a schematic perspective view of a transmission mechanism shown in accordance with an exemplary embodiment;
FIG. 4 is a schematic perspective view of a spindle support structure and load seat shown in accordance with an exemplary embodiment;
FIG. 5 is a schematic view in full section of FIG. 4;
FIG. 6 is a schematic perspective view of a loader and exciter according to an exemplary embodiment;
FIG. 7 is a schematic perspective view of a vibration exciter according to an exemplary embodiment;
FIG. 8 is a schematic perspective view of a loader shown in accordance with an exemplary embodiment;
FIG. 9 is a schematic perspective view of a tilting pad sliding bearing according to an exemplary embodiment;
FIG. 10 is a schematic diagram illustrating a two-dimensional configuration of a tilting pad sliding bearing according to an exemplary embodiment.
The reference numerals in the figures are:
100. a tilting pad sliding bearing; 101. an oil hole; 102. an oil sump;
200. a frame;
300. a main shaft; 301. a box body; 302. angular contact ball bearings; 303. a flanged bearing end cap;
400. a loading base;
500. a flexible connector; 501. a lifting eye screw; 502. a wire rope;
600. a loader; 601. a pressure sensor; 602. a hand-operated wheel; 603. a worm gear; 604. a worm; 605. a screw rod; 606. a flange plate; 607. a housing;
700. a vibration exciter; 701. an angle adjusting member; 7011. mounting a plate; 7012. an adjusting plate;
800. a motor; 801. a first coupling; 802. a belt drive mechanism; 803. a second coupling; 804. a first drive shaft; 805. a first rolling bearing housing; 806. a second drive shaft; 807. a second rolling bearing seat; 808. a first pulley; 809. a second pulley; 810. wedging belts; 811. a torque measuring device; 812. a third coupling;
900. an oil circuit system; 901. an oil pump; 902. an oil inlet and outlet pipeline.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
As shown in fig. 1, an embodiment of the present invention provides an inverted tilting pad sliding bearing test bed, which is characterized by comprising: the device comprises a frame 200, a main shaft 300 for mounting the tilting pad sliding bearing 100, a loading seat 400, a flexible connecting piece 500, a loader 600 and an exciter 700, wherein the main shaft 300 is rotatably supported on the frame 200; the loading seat 400 is fixed on the shell of the tilting pad sliding bearing 100; one end of the flexible connecting member 500 is suspended and connected to the frame 200, and the other end is fixedly connected to the loading base 400; the output end of the loader 600 acts on the loading base 400; and the output end of the vibration exciter 700 acts on the loading seat 400.
According to the embodiment, the loader 600 can realize load size change, and later-period measurement of static characteristics (such as oil film thickness, lubricating oil temperature, lubricating oil pressure and the like) of the sliding bearing is facilitated. In a dynamic performance test, the vibration exciter 700 is used for exciting the loading seat 400 to indirectly realize the excitation of the tilting pad bearing, and after the excitation, a dynamic response test of the bearing can be performed.
It should be noted that the tilting pad sliding bearing 100 to be tested according to the embodiment of the present invention is mounted on the main shaft 300 (i.e. located in the middle and without support), and the left and right ends of the main shaft 300 are supported by bearings, so that it is called an inverted structure, while the inverted structure is the opposite.
In an embodiment of the present invention, the method further includes: a motor 800 for driving the spindle 300 to rotate.
Further, still include: a transmission mechanism connected between the motor 800 and the main shaft 300.
Specifically, the transmission mechanism includes a first coupling 801, a belt transmission 802, and a second coupling 803 connected in this order. More specifically, the first coupling 801 is a quincunx coupling, the first transmission shaft 804 is mounted on the first rolling bearing seat 805, and the quincunx coupling connects the rotating shaft of the motor 800 and one end of the first transmission shaft 804. The second transmission shaft 806 is mounted on the second rolling bearing seat 807, the belt transmission mechanism 802 comprises a first belt pulley 808, a second belt pulley 809 and a wedge belt 810, the first belt pulley 808 is mounted at the other end of the first transmission shaft 804, the second belt pulley 809 is mounted at one end of the second transmission shaft 806, the wedge belt 810 is sleeved between the first belt pulley 808 and the second belt pulley 809, the second coupling 803 adopts a quincunx coupling to connect the other end of the second transmission shaft 806 and the spindle 300, and the function of transmitting power from the motor 800 to the spindle 300 is realized through the structure. By adopting the belt transmission mechanism 802, on one hand, the main shaft 300 can be prevented from being subjected to an additional bending moment effect due to the direct connection of the driving motor 800 and the main shaft 300, and an unloading effect can be achieved; on the other hand, the first belt pulley 808 can be a large belt pulley, and the second belt pulley 809 can be a small belt pulley, so that the speed increasing effect can be achieved; meanwhile, the belt transmission mechanism 802 can also have a certain buffering and vibration absorbing effect and the overall structure layout is more reasonable.
Further, a torque measuring device 811 is further included, and the torque measuring device 811 is connected between the motor 800 and the spindle 300 and is used for measuring the torque output from the motor 800 to the spindle 300. Specifically, the other end of second transmission shaft 806 and the one end of surveying torque device 811 are connected to second coupling 803, and the one end of surveying torque device 811 links to each other through third coupling 812 between with main shaft 300, third coupling 812 adopts the diaphragm coupling, the diaphragm coupling is not centering compensation ability strong, makes things convenient for the dismouting, and at the change experimental bearing and main shaft 300 in-process, owing to have certain adjustability in axial direction, need not to dismantle diaphragm coupling and transmission system.
In an embodiment of the present invention, a supporting structure of the main shaft 300 is further designed, the supporting structure includes a box 301, a pair of angular contact ball bearings 302 is mounted on the box 301, the main shaft 300 is mounted on the pair of angular contact ball bearings 302, and the pair of angular contact ball bearings 302 are axially positioned through a flanged bearing end cover 303.
To facilitate the installation of the tilting pad sliding bearing 100, the loading seat 400 is designed to be split, and the loader 600 can indirectly apply load to the main shaft 300 through an oil film through the bearing loading seat 400, instead of the working load applied to the main shaft 300 in actual working conditions. One end of the loading seat 400 is limited by a shaft shoulder, the other end of the loading seat is axially positioned by a sleeve with a flange at a single side, and the flange of the sleeve keeps contact with an oil baffle ring of the tilting pad bearing.
In an embodiment of the present invention, the loader 600 is installed upside down, and the loader 600 needs to overcome the pulling force of the flexible connecting element 500, so that the flexible connecting element 500 is deformed, which is beneficial to forming a dynamic pressure oil film and the oscillation of the bearing bush. The loader 600 includes: the pressure sensor 601 is installed at the output end of the linear telescopic mechanism, the linear telescopic mechanism stretches to act on the housing of the tilting pad sliding bearing 100, and the loader 600 can realize the change of the load size, so that the later measurement of the static characteristics (such as oil film thickness, lubricating oil temperature, lubricating oil pressure and the like) of the sliding bearing is facilitated.
Furthermore, the linear telescopic mechanism mainly provides telescopic motion in a linear direction, the linear telescopic mechanism adopts a structure that a worm wheel 603 and a worm 604 drive a lead screw to move axially, and specifically comprises a worm wheel 603, a worm 604, a lead screw 605 and a shell 607, the worm wheel 603 is engaged with the worm 604, the worm wheel 603 is supported on the housing 607 through a bearing, a through hole is formed in the housing 607, a first internal thread is formed in the through hole, a second internal thread is formed in the inner ring of the worm gear 603, the lead screw 605 is arranged in the inner ring of the worm gear 603 and the through hole in a penetrating manner, and are respectively engaged with the first internal thread and the second internal thread, the worm 604 drives the worm wheel 603 to rotate, under the meshing transmission action of the first internal thread and the second internal thread and the external thread of the screw rod 605, the worm wheel 603 rotates to drive the screw rod 605 to rotate and simultaneously perform telescopic motion, and the telescopic motion realizes feeding. Since the lead screw 605 performs both rotation and telescopic movement, the pressure sensor 601 is preferably an S-shaped pull-pressure sensor.
The pressure sensor 601 is mounted at the loading end of the lead screw 605, and in order to avoid direct contact between the pressure sensor 601 and the loading seat 400, a flange 606 may be fixed at the end of the pressure sensor 601, that is, two ends of the pressure sensor 601 are respectively connected between the loading end of the lead screw 605 and the flange 606, and the flange 606 acts on the loading seat 400.
In order to simplify the structure, the worm 604 can be directly driven by a hand-operated wheel 602 connected with the worm 604, or can be driven by a motor, the hand-operated wheel 602 can control the applied load through a pressure sensor 601, so as to simulate the load borne by the bearing in the actual working condition, and the worm gear mechanism has a large transmission ratio, so that the load can be accurately controlled.
In order to make the bearing bush float better under the condition of hydrodynamic lubrication, the loader 600 needs to have certain flexibility, for this reason, the loading seat 400 and the tilting pad sliding bearing 100 are fitted and then are sleeved on the main shaft 300, the side wall of the loading seat 400 is provided with an eyebolt 501, one end of the loading seat 400 is fixed on the frame 200 through a steel wire 502, the vertical positioning is realized through the steel wire 502, and the two ends of the steel wire 502 are locked through horseshoe-shaped rope clamps.
Specifically, the lifting bolt 501 is a lengthened bolt, and four bolts are respectively fixed to the cross beam in an inverted manner, so that the length of the bolt rod is longer than that of the bolt rod of the common lifting bolt 501, and the tightness of the steel wire rope 502 can be conveniently adjusted by respectively controlling the depth of the bolt rod screwed into the cross beam, thereby ensuring that the upper loading seat 400 is kept horizontal.
In an embodiment of the present invention, the present invention further includes an oil path system 900, where the oil path system 900 includes: the oil pump 901 and the oil inlet and outlet pipeline 902, one end of the oil inlet and outlet pipeline 902 is communicated with an oil outlet of the oil pump 901, and the other end of the oil inlet and outlet pipeline 902 is communicated with an oil inlet of the tilting pad sliding shaft.
Because the main shaft 300 has a high rotating speed, the tilting pad bearing and the angular contact ball bearing 302 are respectively lubricated, the tilting pad sliding bearing 100 directly guides lubricating oil into the lubricating oil hole 101 on the side wall of the loading seat 400, the lubricating oil can lubricate the bearing along the empty space, the angular contact ball bearing 302 adopts oil injection lubrication, and the nozzle mounting plate 7011 is mounted at a certain height, so that the nozzle is aligned with the roller for oil injection lubrication.
The side wall of the tilting pad sliding bearing 100 is provided with a plurality of oil holes 101, the oil holes are distributed at the joints of the tiles inside the bearing, lubricating oil is introduced into an oil groove 102 of the outer ring of the tilting pad bearing through the oil pipe from an oil station via the oil holes 101, the lubricating oil hole 101 of the loading seat 400 is arranged above the side, and the lubricating oil in the oil groove 102 can enter the gap between the bearing bush and the main shaft 300 through an oil inlet to form hydrodynamic lubrication.
The oil lubricated by the tilting pad sliding bearing 100 is discharged to the box body 301 from two end faces, reenters the oil station through the oil return hole 101 on the side wall of the box body 301, and can be recycled through the filtering and condensing effects of the oil station.
The angular contact ball bearings 302 on the two sides of the box body 301 realize a lubricating effect through oil injection, the nozzle is fixed on the nozzle mounting plate 7011, the nozzle mounting plate 7011 is fixed on the inner wall of the box body 301 through screws, and the nozzle is located right above the main shaft 300 and right opposite to the balls, so that the sprayed oil can further lubricate other balls under the action of gravity, and a better lubricating effect is realized.
In an embodiment of the present invention, the exciter 700 is used for testing the dynamic performance of the tilting pad sliding bearing 100, and the exciter 700 may be mounted on the frame 200 through an angle adjusting member 701.
In an embodiment of the present invention, the exciter 700 further includes an angle adjusting member 701, the exciter 700 is mounted on the machine frame 200 through the angle adjusting member 701, and the angle of the exciter 700 is adjusted through the angle adjusting member 701, so that the dynamic load is always vertically loaded on the loading seat 400.
Specifically, angle adjustment piece 701 includes mounting panel 7011 and regulating plate 7012, vibration exciter 700 is fixed on mounting panel 7011, mounting panel 7011 is fixed on regulating plate 7012, there is the regulation annular on the regulating plate 7012, can pass the bolt and connect soon after regulation annular and angle regulation to on the frame 200. Preferably, the top bar of vibration exciter 700 is always in a perpendicular relationship with the side of loading base 400.
The working process of the inverted tilting pad sliding bearing test bed is as follows:
the method comprises the steps of firstly starting a motor 800, transmitting power to a main shaft 300 through a wedge belt 810, simultaneously opening an oil pump 901 to lubricate a bearing, enabling the motor 800 to reach a stable working state after a period of time, forming hydrodynamic lubrication on the tilting pad sliding bearing 100 to form an inner layer dynamic pressure oil film and an outer layer static pressure oil film, wherein the inner layer oil film mainly performs a lubricating function, and the outer layer oil film has a certain bearing capacity. At the moment, the hand wheel 602 is rotated to enable the screw rod 605 to descend for applying load, the load is stopped after the reading of the pressure sensor 601 reaches a specified size, at the moment, the values of the oil pressure sensor 103 and the oil temperature sensor 104 are read (the oil pressure sensor 103 and the oil temperature sensor 104 are both installed on the tilting pad sliding bearing 100, referring to fig. 10, the values are respectively used for collecting the temperature and the pressure of the tested oil film, 18 (9 oil temperatures +9 oil pressures) are shown in fig. 10 and are respectively positioned on two end faces (a front face and a rear face)), and the static parameters of the tested bearing can be measured. In the dynamic test, the other test steps are kept consistent, then the vibration exciter 700 is turned on, a certain vibration exciting wave is generated to excite the loading seat 400, after a proper excitation frequency is found, the acceleration sensors 105 (four acceleration sensors are shown in fig. 4, two acceleration sensors are installed on two sides of the loading seat, the other two acceleration sensors are installed on the box body, the vibration signals of the bearing and the box body are respectively tested, and therefore the dynamic characteristic of the system is obtained), and after the test is finished, the dynamic performance of the oil film of the test bearing can be obtained through processing.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. An inverted tilting pad sliding bearing test bed, comprising:
a frame;
a main shaft for mounting a tilting pad sliding bearing, the main shaft being rotatably supported on the frame;
the loading seat is fixed on the shell of the tilting pad sliding bearing;
one end of the flexible connecting piece is connected to the rack in a hanging mode, and the other end of the flexible connecting piece is fixedly connected with the loading seat;
the output end of the loader acts on the loading seat; and
and the output end of the vibration exciter acts on the loading seat.
2. The inverted tiltable pad sliding bearing test stand of claim 1, wherein said loader comprises:
a linear telescopic mechanism; and
and the pressure sensor is arranged at the output end of the linear telescopic mechanism and acts on the shell of the tilting pad sliding bearing through the stretching of the linear telescopic mechanism.
3. The inverted tiltable bush sliding bearing test bed according to claim 2, wherein the linear telescopic mechanism adopts a structure that a worm gear drives a lead screw to move axially.
4. The inverted tiltable pad sliding bearing test stand of claim 1, further comprising: and the motor is used for driving the main shaft to rotate.
5. The inverted tiltable pad sliding bearing test stand of claim 4, further comprising: and the transmission mechanism is connected between the motor and the main shaft.
6. The inverted tiltable tile sliding bearing test bed according to claim 5, wherein said transmission mechanism comprises a first coupling, a belt transmission and a second coupling connected in series.
7. The inverted tiltable pad sliding bearing test stand of claim 1, further comprising a torque measuring device connected between said motor and said spindle.
8. The inverted tiltable pad sliding bearing test stand of claim 1, further comprising an oil system comprising:
an oil pump; and
and one end of the oil inlet and outlet pipeline is communicated with an oil outlet of the oil pump, and the other end of the oil inlet and outlet pipeline is communicated with an oil inlet of the tilting pad sliding shaft.
9. The inverted tiltable pad sliding bearing test bed according to claim 1, further comprising an angle adjusting member, wherein said vibration exciter is mounted on said frame via said angle adjusting member.
10. The inverted tilting pad sliding bearing test bed according to claim 9, wherein the angle adjusting member comprises a mounting plate and an adjusting plate, the vibration exciter is fixed on the mounting plate, the mounting plate is fixed on the adjusting plate, the adjusting plate is provided with an adjusting ring groove, and a bolt is screwed on the frame after passing through the adjusting ring groove and adjusting the angle.
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| CN202111269413.6A CN114001960B (en) | 2021-10-29 | 2021-10-29 | Inverted tilting pad sliding bearing test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652257A (en) * | 2023-06-20 | 2023-08-29 | 捷航设备制造股份有限公司 | Railway wheel automatic balancing and weight removing integrated machine |
| CN117906461A (en) * | 2023-12-28 | 2024-04-19 | 哈尔滨科锐同创机模制造有限公司 | Birotor bearing tester tool structure |
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| CN102121875A (en) * | 2010-12-17 | 2011-07-13 | 大连理工大学 | Dynamic loading comprehensive experimental table for gas bearing-rotor system |
| CN201909714U (en) * | 2010-12-17 | 2011-07-27 | 大连理工大学 | Comprehensive dynamic loading test platform for gas bearing-rotor systems |
| CN104880315A (en) * | 2015-05-27 | 2015-09-02 | 西安交通大学 | High speed rolling bearing dynamic performance testing machine using tilting-pad bearing to support |
| US20170356936A1 (en) * | 2016-05-11 | 2017-12-14 | Mcmaster University | Enhanced system and method for conducting pca analysis on data signals |
| CN105865792A (en) * | 2016-05-26 | 2016-08-17 | 西北工业大学 | Textured sliding bearing experiment table with bearing rotating and journal fixed |
| CN110296838A (en) * | 2019-07-08 | 2019-10-01 | 上海交通大学 | Bearing shell testing machine for testing performance and test method |
| CN110542556A (en) * | 2019-10-09 | 2019-12-06 | 浙江申发轴瓦股份有限公司 | Tilting pad sliding bearing test box, test bench and test method |
| CN210487269U (en) * | 2019-10-09 | 2020-05-08 | 浙江申发轴瓦股份有限公司 | Tilting pad sliding bearing test box and test bench |
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| CN116652257A (en) * | 2023-06-20 | 2023-08-29 | 捷航设备制造股份有限公司 | Railway wheel automatic balancing and weight removing integrated machine |
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