CN205449498U - Be used for lubricated tilting pad thrust bearing liquid film lubrication characteristic test system of vertical water - Google Patents
Be used for lubricated tilting pad thrust bearing liquid film lubrication characteristic test system of vertical water Download PDFInfo
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- CN205449498U CN205449498U CN201521125292.8U CN201521125292U CN205449498U CN 205449498 U CN205449498 U CN 205449498U CN 201521125292 U CN201521125292 U CN 201521125292U CN 205449498 U CN205449498 U CN 205449498U
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Abstract
The utility model discloses a be used for lubricated tilting pad thrust bearing liquid film lubrication characteristic test system of vertical water contains: a pedestal. The support, it sets up on the base perpendicularly, driving motor, it is located the base, the pressure -bearing hydroecium, it is located driving motor upper portion, measured bearing thrust disc, titling pad, the tile fragment support of setting in the pressure -bearing hydroecium, the pivot, its one end links to each other with driving motor's output shaft, and it is continuous with the bottom of measured bearing thrust disc that the other end passes pressure -bearing hydroecium bottom, the stationary axle, its one end links to each other with the top of tile fragment support, and it is outside at the pressure -bearing hydroecium that the other end extends the setting, the arm of force, its level sets up in the stationary axle. The utility model discloses compensate the not enough of current test instrument and method for, can carry out real -time, accurate investigation to the friction torque of heavy load, lubricated, vertical, the tilting pad thrust bearing liquid film of water and the rotational speed isokinetic characteristic of establishhing the fluid lubrication required.
Description
Technical field
This utility model relates to bearing lubrication characteristic test, particularly to one for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system.
Background technology
In large rotating machinery, water lubrication tilting thrust bearing is for carrying axial load.The lubrication property of water lubrication tilting thrust bearing liquid film specifically includes that the frictional force/moment of liquid film between bearing sound contact surface, the lubricating status of liquid film, sets up the rotating speed etc. needed for fluid lubrication liquid film.Owing to the axial force that rotor is conducted oneself with dignity and operation produces of large rotating machinery is the highest, the lubrication property of the bearing liquid film stable operation particular importance to whole rotor-support-foundation system.Contact relation between the dynamic and static parts cooperation face of the lubrication property parameter characterization of bearing liquid film, if the frictional force/moment of liquid film is bigger, or rotating speed needed for setting up fluid lubrication is bigger, then the wearing layer of bearing can be caused huge abrasion, not only greatly reduce the sensitivity of rotor part, cause idle energy consumption, and directly influence the life-span of bearing and the stability of rotor operation.Therefore, the frictional force/moment of thrust bearing liquid film must be measured, and determine the rotating speed set up needed for fluid lubrication, be estimated with countershaft greasy property.
In the current research to bearing and test, normally used bearing friction force torque measuring instrument is mainly used in the middle-size and small-size or test of miniature bearing, and its rotating speed, load and precision etc. all can not meet the requirement of large rotating machinery thrust bearing.And, normally used friction torque measuring instrument or method lack the rotating speed to rotor and are monitored, thus cannot set up the relation between rotor speed and bearing lubrication characteristic, can not get the rotor speed needed for bearing liquid film forming fluid lubrication.Furthermore, normally used friction torque measuring instrument or method are mainly for the bearing of the common types such as taper roller, cylindrical roller, ball-type roller, and all use oil as lubricant, versatility is not possessed for test water lubrication, vertical, tilting thrust bearing.
Utility model content
The purpose of this utility model is to provide a kind of for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, compensate for the deficiency of existing test instrunment and method, it is possible to the dynamics such as heavy duty, water lubrication, vertical, the moment of friction of tilting thrust bearing liquid film and the rotating speed needed for setting up fluid lubrication is carried out real-time, investigate accurately.
In order to realize object above, this utility model is achieved through the following technical solutions:
A kind of for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterized in, comprises:
Base；
Support, it is vertically set on base；
Driving motor, it is positioned on base；
Pressure-bearing hydroecium, it is positioned at driving motor top；
It is arranged on the indoor measured bearing thrust disc of artesian water, tilting pad, tile fragment support, described tilting pad is arranged on measured bearing thrust disc top, and between described tilting pad and measured bearing thrust disc, it being provided with liquid film, described tile fragment support is arranged on tilting pad；
Rotating shaft, its one end is connected with the output shaft driving motor, and the other end is connected with the bottom of measured bearing thrust disc bottom described pressure-bearing hydroecium；
Stationary shaft, its one end is connected with the top of tile fragment support, and the other end is extended on artesian water outdoor；
The arm of force, it is horizontally set in stationary shaft；
Driving motor-driven rotatable shaft rotates, the liquid film between measured bearing thrust disc and tilting pad is made to produce moment of friction, described moment of friction makes tile fragment support and stationary shaft produce the trend rotated, and applies active force in the outer end of the described arm of force, stops stationary shaft to rotate.
This test system also comprises rotating speed acquisition component；
It comprises: speed probe, is positioned at the side of rotating shaft, for gathering the rotary speed parameter of rotating shaft；
First recorder analyser, it is connected with speed probe, for rotary speed parameter described in record analysis.
This test system also comprises arm of force acquisition component；
It comprises: a pair force transducer, and it is separately positioned on the outer end of the arm of force, for measuring the size being applied to arm of force outer end active force；
Second recorder analyser, itself and a pair force transducer, for the size of active force described in record analysis.
Described support connects rotating shaft thrust bearing and stationary shaft journal bearing；Described rotating shaft thrust bearing is nested with in rotating shaft, for the support radial and axial for rotating shaft offer；Described stationary shaft journal bearing is nested with in stationary shaft, radially supports for providing for stationary shaft.
Described driving motor connects converter.
Described pressure-bearing hydroecium and compression system and cooling water recirculation system, this compression system and cooling water recirculation system are for controlling the pressure and temperature of artesian water indoor water.
Described stationary shaft top is provided with axial loading system, and described axial loading system is for loading axial load for stationary shaft.
This utility model compared with prior art, has the advantage that
This utility model compensate for the deficiency of existing test instrunment and method, it is possible to the dynamics such as heavy duty, water lubrication, vertical, the moment of friction of tilting thrust bearing liquid film and the rotating speed needed for setting up fluid lubrication is carried out real-time, investigate accurately.
Accompanying drawing explanation
Fig. 1 is a kind of structure chart for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system of this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, this utility model is further elaborated.
As it is shown in figure 1, a kind of for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, comprise: base 1；Support 2, it is vertically set on base 1；Driving motor 4, it is positioned on base 1；Pressure-bearing hydroecium 13, it is positioned at driving motor 4 top；The measured bearing thrust disc 20 that is arranged in pressure-bearing hydroecium 13, tilting pad 21, tile fragment support 22, tilting pad 21 is arranged on measured bearing thrust disc 20 top, and between tilting pad 21 and measured bearing thrust disc 20, it being provided with liquid film, described tile fragment support 22 is arranged on tilting pad 21；Rotating shaft 9, its one end is connected with the output shaft driving motor 4 by flexible clutch 5, and the other end is connected with the bottom of measured bearing thrust disc 20 bottom pressure-bearing hydroecium；Stationary shaft 15, its one end is connected with the top of tile fragment support 22, and it is outside that the other end is extended on pressure-bearing hydroecium 13；The arm of force, it is horizontally set in stationary shaft 15；Motor 4 drive shaft 9 is driven to rotate, the liquid film between measured bearing thrust disc 20 and tilting pad 21 is made to produce moment of friction, moment of friction makes tile fragment support 22 and stationary shaft 15 produce the trend rotated, and applies active force in the outer end of the arm of force 17, stops stationary shaft 15 to rotate.In order to ensure the sealing of pressure-bearing hydroecium 13, driving side mechanical seal 10 it is provided with bottom pressure-bearing hydroecium 13 and between rotating shaft 9, non-drive side mechanical seal 14 it is provided with between pressure-bearing hydroecium 13 top and stationary shaft 15, wherein, base 1 and support 2 are for providing a supporting role for whole test system, it is ensured that the safety of test is with stable；Flexible clutch 5, in addition to transmission torque drive rotating shaft 9, also can avoid the axle driving motor 4 from running environment such as radial and axial load, the pressure-bearing hydroecium 13 pressure, temperature and lubricants needed for providing for measured bearing.
This test system also comprises rotating speed acquisition component, and it comprises: speed probe 7, is positioned at the side of rotating shaft 9, for gathering the rotary speed parameter of rotating shaft 9；First recorder analyser 6, it is connected with speed probe 7, for record analysis rotary speed parameter；Arm of force acquisition component, it comprises: a pair force transducer 18, and it is separately positioned on the outer end of the arm of force 17, for measuring the size being applied to arm of force outer end active force；Second recorder analyser 23, itself and a pair force transducer 18, for the size of active force described in record analysis.The friction torque of the most tested thrust bearing liquid film is: the active force sum measured by two force transducers 18 and the product of the arm of force 17 length, the rotary speed parameter that the moment of friction obtained test by the first recorder analyser 6 and the second recorder analyser 23 is obtained with speed probe 7 test records and analyzes, thus draws the lubrication property of measured bearing liquid film.
Above-mentioned support 2 connects rotating shaft thrust bearing 8 and stationary shaft journal bearing 16；Rotating shaft thrust bearing 8 is nested with in rotating shaft 9, for providing radial and axial support for rotating shaft 9；Stationary shaft journal bearing 8 is nested with in stationary shaft 15, radially supports for providing for stationary shaft 15.
Above-mentioned driving motor 4 connects converter 3, thus realizes the test to different rotating speeds lower bearing liquid-film lubrication characteristic.
Above-mentioned pressure-bearing hydroecium 13 and compression system 11 and cooling water recirculation system 12, this compression system 11 and cooling water recirculation system 12 are for controlling the pressure and temperature of artesian water indoor water, thus realize the test to different service condition lower bearing liquid-film lubrication characteristics.
Stationary shaft 15 top is provided with axial loading system 19, and axial loading system 118 is for loading axial load for stationary shaft, thus realizes the test to different load lower bearing liquid-film lubrication characteristic.
This test system can be by converter 3, compression system 11, cooling water recirculation system 12 and the regulation of axial loading system 19, it is achieved the test of the water lubrication tilting thrust bearing liquid-film lubrication characteristic under different rotating speeds, axially different load, different running environment (pressure, temperature).The surface quality of the dynamic and static contact surface of measured bearing, the material of measured bearing wearing layer and the parameters such as the structure impact on liquid-film lubrication characteristic of measured bearing can also be investigated by measured bearing thrust disc 20 and the adjustment of measured bearing tilting pad 21.
In sum, this utility model one is used for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, compensate for the deficiency of existing test instrunment and method, it is possible to the dynamics such as heavy duty, water lubrication, vertical, the moment of friction of tilting thrust bearing liquid film and the rotating speed needed for setting up fluid lubrication is carried out real-time, investigate accurately.
Although content of the present utility model has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as restriction of the present utility model.After those skilled in the art have read foregoing, multiple amendment of the present utility model and replacement all be will be apparent from.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (7)
1. one kind is used for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterised in that comprise:
Base；
Support, it is vertically set on base；
Driving motor, it is positioned on base；
Pressure-bearing hydroecium, it is positioned at driving motor top；
It is arranged on the indoor measured bearing thrust disc of artesian water, tilting pad, tile fragment support, described tilting pad is arranged on measured bearing thrust disc top, and between described tilting pad and measured bearing thrust disc, it being provided with liquid film, described tile fragment support is arranged on tilting pad；
Rotating shaft, its one end is connected with the output shaft driving motor, and the other end is connected with the bottom of measured bearing thrust disc bottom described pressure-bearing hydroecium；
Stationary shaft, its one end is connected with the top of tile fragment support, and the other end is extended on artesian water outdoor；
The arm of force, it is horizontally set in stationary shaft；
Driving motor-driven rotatable shaft rotates, the liquid film between measured bearing thrust disc and tilting pad is made to produce moment of friction, described moment of friction makes tile fragment support and stationary shaft produce the trend rotated, and applies active force in the outer end of the described arm of force, stops stationary shaft to rotate.
2. as claimed in claim 1 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterised in that also to comprise rotating speed acquisition component；
It comprises: speed probe, is positioned at the side of rotating shaft, for gathering the rotary speed parameter of rotating shaft；
First recorder analyser, it is connected with speed probe, for rotary speed parameter described in record analysis.
3. as claimed in claim 2 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterised in that also to comprise arm of force acquisition component；
It comprises: a pair force transducer, and it is separately positioned on the outer end of the arm of force, for measuring the size being applied to arm of force outer end active force；
Second recorder analyser, itself and a pair force transducer, for the size of active force described in record analysis.
4. as claimed in claim 1 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterised in that described support connects rotating shaft thrust bearing and stationary shaft journal bearing；Described rotating shaft thrust bearing is nested with in rotating shaft, for the support radial and axial for rotating shaft offer；Described stationary shaft journal bearing is nested with in stationary shaft, radially supports for providing for stationary shaft.
5. as claimed in claim 1 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterised in that described driving motor connects converter.
6. as claimed in claim 1 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterized in that, described pressure-bearing hydroecium and compression system and cooling water recirculation system, this compression system and cooling water recirculation system are for controlling the pressure and temperature of artesian water indoor water.
7. as described in any one of claim 1-6 for vertical water lubricating tilting thrust bearing liquid-film lubrication characteristic test system, it is characterized in that, described stationary shaft top is provided with axial loading system, and described axial loading system is for loading axial load for stationary shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125292.8U CN205449498U (en) | 2015-12-31 | 2015-12-31 | Be used for lubricated tilting pad thrust bearing liquid film lubrication characteristic test system of vertical water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521125292.8U CN205449498U (en) | 2015-12-31 | 2015-12-31 | Be used for lubricated tilting pad thrust bearing liquid film lubrication characteristic test system of vertical water |
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| CN205449498U true CN205449498U (en) | 2016-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651513A (en) * | 2015-12-31 | 2016-06-08 | 上海电气凯士比核电泵阀有限公司 | Testing system for lubrication characteristic of vertical water-lubricated tilting thrust bearing liquid film |
| CN109187014A (en) * | 2018-08-08 | 2019-01-11 | 东风汽车集团有限公司 | A kind of hub bearing dynamic friction torque is test bed |
-
2015
- 2015-12-31 CN CN201521125292.8U patent/CN205449498U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651513A (en) * | 2015-12-31 | 2016-06-08 | 上海电气凯士比核电泵阀有限公司 | Testing system for lubrication characteristic of vertical water-lubricated tilting thrust bearing liquid film |
| CN109187014A (en) * | 2018-08-08 | 2019-01-11 | 东风汽车集团有限公司 | A kind of hub bearing dynamic friction torque is test bed |
| CN109187014B (en) * | 2018-08-08 | 2020-02-07 | 东风汽车集团有限公司 | Dynamic friction torque test bench for hub bearing |
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