CN101339095A - Automobile hub bearing slurry salty liquor and general durability test method and test machine - Google Patents
Automobile hub bearing slurry salty liquor and general durability test method and test machine Download PDFInfo
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- CN101339095A CN101339095A CNA2008101412357A CN200810141235A CN101339095A CN 101339095 A CN101339095 A CN 101339095A CN A2008101412357 A CNA2008101412357 A CN A2008101412357A CN 200810141235 A CN200810141235 A CN 200810141235A CN 101339095 A CN101339095 A CN 101339095A
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Abstract
The invention provides mud saline of wheel hub bearing of automobile and a general endurance test method. In the test method, a testing bearing is supported on a testing table in the cantilevered way; a loading shaft is used for driving the coating of the testing wheel hub bearing to rotate at the same speed as the rotating speed in the actual working status; the axial load and the radial load can be respectively or simultaneously exerted on the testing wheel hub bearing; the axial load and the radial load, which are exerted by the testing wheel hub bearing, are exerted on the coating of the testing wheel hub bearing which rotates at a high speed, through a loading arm which is vertical to the loading axle, a loading sleeve which is fixedly linked with the loading arm and arranged on the loading axle, a support loading arm, and a pair of conical rollers; thus the coating of the testing wheel hub bearing can rotate at a high speed and simultaneously is provided with the exerted axial load and the radial load; a water spraying device is used for directly spraying the mud saline to the testing wheel hub bearing (17) with the external load; a temperature sensor (18) is arranged on the non-rotating end face of the testing wheel hub bearing; and a vibration sensor (19) is arranged in the position of the fillet of the testing wheel hub bearing.
Description
Technical field
The invention belongs to the bearing test detection technique, relate generally to a kind of automobile hub bearing slurry salt solution and general durability test method and testing machine.
Background technology
Automobile hub bearing is an of paramount importance transmission component in the automobile.Along with developing of automobile industry, the structure of automobile hub bearing is also being improved always, be improved to bearing and bearing body by the earliest simple bearing arrangement, be designed to integrative-structure with the automotive hub flange connecting, be referred to as automobile hub bearing, automobile hub bearing is in the important effect that plays in service of automobile, with the truck drive shaft high-speed rotation, bear when operation axially, radial load also will be at inclement weather, move its situation when long-term operation under the road conditions, various informational needs such as degree of fatigue are tested it and are detected and Information Monitoring data and various data are analyzed, judge.And still has at present automobile hub bearing testing machine reasonable in design and comparatively scientific and rational method for testing and detecting are not arranged, incompatible with developing rapidly of auto industry, the while has also restricted the further improvement of automobile hub bearing structure and perfect.
Summary of the invention
Purpose of the present invention promptly is to propose a kind of automobile hub bearing slurry salt solution and general durability test method and testing machine.
Automobile hub bearing slurry salt solution proposed by the invention and general durability test method are:
Test bearing is cantilever support on testing table, being about to the hub bearing inner ring fixes by frock support, the relative support of frock panel, test wheel hub bearing outside is connected in by frock transition joint flange on the loading axial end of rotational structure, constitutes the cantilever structure of test hub bearing; By loading axle test wheel hub bearing outside is done and the corresponding to high speed rotating of actual condition rotating speed, thereby made the stressed and actual automobilism force status of experimental wheel hub bearing unit consistent; The rotation that loads axle motoring ring test hub bearing is that the rotating speed of main shaft and moment of torsion are passed to the realization of loading axle by flexible axle; Can apply axial load and radial load to the test hub bearing respectively or simultaneously; And test axial load that hub bearing applied is and loads axial load cylinder that axle be arranged in parallel and put on the test wheel hub bearing outside of high speed rotating by a pair of taper roll bearing that connects firmly and be positioned at the loading cover, the supporting that load on the axle perpendicular to the loading arm that loads axis with loading arm and load cover and load axle; To test radial load that hub bearing applied is to connect firmly and be positioned at a pair of taper roller that the loading cover, the supporting that load on the axle load axle and load cover to put on test the outer of hub bearing and put by the loading arm parallel with the radial loaded oil cylinder, with loading arm; Make the radial loaded oil cylinder be positioned at the central lower and the adjustable position of test hub bearing simultaneously, thereby radial loaded load is acted in the loading of test hub bearing in the heart; Thereby test wheel hub bearing outside being applied axially, not influencing test wheel hub bearing outside during radial load and do and the corresponding to high-speed rotation of actual condition, even test wheel hub bearing outside is applied in required axial, radial load in high speed rotating; Described aforesaid way constitute the test hub bearing in experimental test with car running process in corresponding to stressed the applying of actual condition;
Take to make test wheel hub bearing outside to make high speed rotating, under the operating mode of bearing axial load and radial load, carry out silt salt solution water spray test detection simultaneously, promptly the water injector of forming by water tank, water pump and catheter nozzle directly is sprayed onto silt salt solution on the test hub bearing of plus load the working environment of simulated automotive hub bearing when inclement weather, road conditions; Promptly test temperature sensor on the wheel hub bearing inner race end face by being arranged on test hub bearing non-rotating end face, the temperature signal of acquisition test hub bearing when actual condition, by promptly vibration transducer being set at the top of working panel in test wheel hub bearing shaft shoulder position, the vibration values signal of acquisition test hub bearing when whole actual condition, and the rotating speed of its overcoat will test the wheel hub bearing test time, the axial load that is applied, radial load and the vibration signal when this operating condition of test, temperature signal is sent to computing machine, by computing machine according to its analysis software, test hub bearing situation is carried out analysis and judgement, make diagnosis.
The structure of automobile test hub bearing testing machine proposed by the invention is: its mainly comprise drive transmission device, axially, radial loaded mechanism and to the cantilever support mechanism of test hub bearing, and have the test hub bearing applied the device of silt salt water test and in order to the temperature sensor and the vibration transducer of collecting temperature, vibration signal; The motor of described drive transmission device is given main shaft by belt with transmission of power, and main shaft is connected with the loading axle by flexible axle, thereby rotating speed and moment of torsion are passed to the loading axle; Have in the described test hub bearing cantilever support mechanism in order to frock support, the frock panel of inner ring location and make the frock panel and the frock support that connect firmly with inner ring connect firmly and the frock support is fixed on the lathe, the frock transition joint flange that is provided with connects with test wheel hub bearing outside and is fixed on the end face that loads axle, thereby constitutes the cantilever support structure of test hub bearing and make test wheel hub bearing inner race fix, test the wheel hub bearing outside with loading a structure of rotating; Described axial loading, have in the radial loaded mechanism test hub bearing is applied axially, the Indirect Loaded structure of radial load, the Indirect Loaded structure comprises loading arm, load cover, taper roll bearing, the frock transition joint flange that connects with the loading axial end, wherein, loading arm is perpendicular to loading axle and vertical with axial load cylinder, parallel with the radial loaded oil cylinder, load cover and connect firmly with loading arm and be positioned at and load axle and go up and load axle, make axially jointly by a pair of taper roll bearing supporting, radial load can pass through loading arm at the same time or separately, load cover, taper roll bearing acts on the loading axle and puts on the test wheel hub bearing outside by the frock joint flange; The set device that the test hub bearing is applied the silt salt water test is made up of water tank, water pump and catheter nozzle, in order to directly the test hub bearing that plus load is arranged is sprayed silt salt solution, the actual condition when simulating inclement weather, road conditions; Set temperature sensor is positioned at the non-rotating end face of test hub bearing promptly to be tested on the inner ring end face of hub bearing, set vibration transducer is positioned at the top that the shaft shoulder position of testing hub bearing promptly is arranged on the frock panel, and between frock panel and vibration transducer, vibrating head is set, in order to its vibration signal is amplified,, vibration transducer tests the accurate vibration values that hub bearing itself is produced when actual condition thereby being recorded.
Have the above-mentioned test mechanism of two covers in the testing machine of the present invention, and two cover test mechanisms are symmetricly set on the lathe bed of testing machine.
Automobile test hub bearing test method proposed by the invention and silt salt solution and general durability test machine can be arranged under the real working condition environment of automobilism the test hub bearing by its structural design and test detection, make the test hub bearing be cantilever structure during test, the inner ring relative fixed, the corresponding to rotation of outer interplanting and actual condition, in the overcoat high-speed rotation, apply axial load and radial load respectively or simultaneously and make axial load and radial load puts on the outer of rotation and puts, by mud salt solution flusher the test hub bearing that outer processing load is arranged is sprayed mud salt solution, the simulation inclement weather, real working condition during road conditions.At mounting temperature sensor on the test hub bearing non-rotating end face, in test wheel hub bearing shaft shoulder position vibration transducer is installed, floor data, the temperature of collection, vibration signal data when gathering the hub bearing test are sent to computing machine, carry out analysis and judgement by Computer Analysis software, make diagnosis, have the true and accurate of detection reliable characteristics, testing machine project organization of the present invention is scientific and reasonable.
Description of drawings
Fig. 1 is a testing machine structure synoptic diagram of the present invention.
Fig. 2 is test hub bearing cantilever support mechanism structure synoptic diagram in the testing machine of the present invention.
Fig. 3 is a testing machine main shaft portion structural representation of the present invention.
Fig. 4 is for the present invention is axial, the structural representation of radial loaded mechanism.
Among the figure, 1, the radial loaded oil cylinder, 2, pull pressure sensor, 3, the radial loaded frame, 4, taper roll bearing, 5, load axle, 6, flexible axle, 7, main shaft, 8, transmission case, 9, angular contact bearing, 10, belt wheel, 11, axial load cylinder, 12, pull pressure sensor, 13, oscillating bearing, 14, load cover, 15, loading arm, 16, frock transition joint flange, 17, the test hub bearing, 18, temperature sensor, 19, vibration transducer, 20, vibrating head, 21, water pump, 22, water tank, 23, electrical machine belt pulley, 24, motor, 25, the motor adjustable plate, 26, the frock panel, 27, the frock support.
Embodiment
In conjunction with the accompanying drawings embodiment of the present utility model is illustrated:
Test wheel hub bearing test methods proposed by the invention is:
To test hub bearing 17 and be cantilever support on testing table, being about to test hub bearing 17 inner rings fixes by frock support 27, frock panel 26 relative supports, test wheel hub bearing outside is connected in by frock transition joint flange 16 on the loading axial end of rotational structure, constitutes the cantilever structure of test hub bearing; By loading axle test wheel hub bearing outside is done and the corresponding to high speed rotating of actual condition rotating speed, thereby made the stressed and actual automobilism force status of experimental wheel hub bearing unit consistent; The rotation that loads axle motoring ring test hub bearing is that the rotating speed of main shaft and moment of torsion are passed to 5 realizations of loading axle by flexible axle 6; Can be respectively or apply axial load and radial load to the test hub bearing simultaneously, and the test axial load that hub bearing applied is and loads the axle 5 axial load cylinders 11 that be arranged in parallel and put on the test wheel hub bearing outside of high speed rotating by a pair of taper roll bearing 4 that connects firmly and be positioned at the loading cover 14, the supporting that load on the axle perpendicular to the loading arm 15 that loads axis with loading arm and load axle and load cover; To test radial load that hub bearing applied is to connect firmly and be positioned at a pair of taper roll bearing 4 that the loading cover 14, the supporting that load on the axle load axle and load cover to put on test the outer of hub bearing and put by the loading arm 15 parallel with radial loaded oil cylinder 1, with loading arm; Make the radial loaded oil cylinder be positioned at the central lower and the adjustable position of test hub bearing simultaneously, thereby radial loaded load is acted in the loading of test hub bearing in the heart; Thereby test wheel hub bearing outside being applied axially, not influencing test wheel hub bearing outside during radial load and do and the corresponding to high-speed rotation of actual condition, even test wheel hub bearing outside is applied in required axial, radial load in high speed rotating; Described aforesaid way constitute the test hub bearing in experimental test with car running process in corresponding to stressed the applying of actual condition;
Take to make test wheel hub bearing outside to make high speed rotating, under the operating mode of bearing axial load and radial load, carry out silt salt solution water spray test detection simultaneously, promptly the water injector of forming by water tank 22, water pump 21 and catheter nozzle directly is sprayed onto silt salt solution on the test hub bearing of plus load the working environment of simulated automotive hub bearing when inclement weather, road conditions; Promptly test temperature sensor 18 on the wheel hub bearing inner race end face by being arranged on test hub bearing non-rotating end face, the temperature signal of acquisition test hub bearing when actual condition, by promptly vibration transducer 19 being set at the top of working panel in test wheel hub bearing shaft shoulder position, the vibration values signal of acquisition test hub bearing when whole actual condition, and the rotating speed of its overcoat will test the wheel hub bearing test time, the axial load that is applied, radial load and the vibration signal when this operating condition of test, temperature signal is sent to computing machine, by computing machine according to its analysis software, test hub bearing situation is carried out analysis and judgement, make diagnosis.
The structure of test wheel hub bearing tester proposed by the invention is: as shown in Figure 1, testing machine mainly comprise drive transmission device, axially, the cantilever support mechanism of radial loaded mechanism and test hub bearing, and have the test hub bearing applied the device of silt salt water test and in order to the temperature sensor 18 and the vibration transducer 19 of collecting temperature, vibration data; As Fig. 1, in conjunction with Fig. 3, the motor of drive transmission device is connected with the belt wheel 10 of transmission case 8 by belt, drive main shaft 7 high speed rotating, the transmission case that utilizes belt gear and the different characteristics of other mechanical drive vibration frequency and utilize foundry goods is sponged the vibration that belt and belt pulley produce, working speed according to automobile hub bearing, determine high-speed main spindle range of speeds 200-2000r/min, main shaft is connected with loading axle 5 by flexible axle 6, give loading axle 5 with transmission of power, the characteristics of transmitting moment of torsion by flexible axle are motor and transmission case, the initial vibration of generations such as transmission shaft is kept apart, make initial vibration not influence the vibration that its test hub bearing is produced in process of the test, can also avoid in loading procedure the vibration that loading cover 14 and loading axle 5 and transmission shaft 5 off-centre cause.Drive motor 24 adopts variable-frequency motor, and in order to satisfy the adjusting needs of speed, the motor adjustable plate is in order to regulate the high and low position of motor.With reference to Fig. 2, the test hub bearing is constituted have in the cantilever support mechanism of cantilever support in order to will test the frock panel 26 that the wheel hub bearing inner race locatees and frock panel 26 is connected with frock support 27, the frock support is fixed on the table top of lathe bed, needs its inner ring of test hub bearing of test to connect with frock panel 26; Test wheel hub bearing outside connects with frock transition joint flange 16, and frock transition joint flange 16 is fixed on the end face that loads axle 5; Thereby constitute and to test the hub bearing cantilevered support structure, and make test wheel hub bearing inner race fix, test the structure that the wheel hub bearing outside rotates, warranty test hub bearing 17 and the right alignment that loads axle, the vibration that produces when preventing disalignment, the true vibration of influence test hub bearing, the while also reduces the life-span of block bearing.Test wheel hub bearing shaft to load, be provided with in the radial loaded mechanism to test hub bearing 17 apply axially, the Indirect Loaded structure of radial load, it comprises loading arm 15, loads cover 14, taper roll bearing 4 and the frock transition joint flange 16 that connects with the loading axial end; Wherein, loading arm 15 is perpendicular to loading axle 5 and vertical, parallel with radial loaded oil cylinder 1 with axial load cylinder 11, being positioned at the loading cover 14 that loads on the axle 5 connects firmly with loading arm 15, load axle 5 and load cover 14 jointly by a pair of taper roll bearing supporting, load cylinder apply axially, radial load by loading arm 15, load cover 14, taper roll bearing 4 acts on and loads axle and put on test hub bearing 17 overcoats by transition joint flange 16, make when test hub bearing 17 is outer to be enclosed within high-speed rotation bear axially, radial load.In load maintainer, axially load cylinder 11 piston rods connect pull pressure sensor 12 and are connected in loading arm 15 by oscillating bearing 13, pull pressure sensor is used to detect the axial load that applied and numerical value is sent to computing machine, the effect of oscillating bearing 13 mainly is to prevent to have when radial loaded displacement interferometer axial load up and down to the transmission that loads 15, loading position height is adjustable, the suffered load of external diameter that can the simulated automotive wheel.The bottom that radial loaded oil cylinder 1 is fixed on lathe bed is with to load axle vertical, and the piston rod of oil cylinder connects pull pressure sensor 2, and the other end of pull pressure sensor 2 links to each other with radial loaded frame 3, and radial loaded frame 3 and loading arm are linked.Form by water tank 22, water pump 21 and catheter nozzle (not shown) in order to the device that test hub bearing 17 is applied the silt salt water test, in order to the test hub bearing that plus load is arranged is sprayed silt salt solution, thus the actual operating mode when simulation inclement weather, road conditions.At non-rotating end face is the temperature sensor 18 that is provided with on the inner ring end face, in order to the temperature signal of acquisition test hub bearing when the whole test operating mode, in the shaft shoulder position of test hub bearing is that the top of frock panel 26 is provided with vibration transducer 19, in order to the vibration values signal of acquisition test hub bearing when the whole test operating mode, between frock panel 26 and vibration transducer 19, vibrating head 20 is set, in order to its vibration signal is amplified,, vibration transducer tests the accurate vibration values that hub bearing itself is produced when actual condition thereby being recorded.
Have the above-mentioned test mechanism of two covers in the testing machine of the present invention, two cover test mechanisms are symmetrical arranged and are positioned on the lathe bed of testing machine.
Claims (3)
1, a kind of automobile hub bearing slurry salt solution and general durability test method, it is characterized in that: the inventive method is: test bearing is cantilever support on testing table, being about to the hub bearing inner ring fixes by frock support (27), the relative support of frock panel (26), to test the wheel hub bearing outside and be connected in by frock transition joint flange (16) on loading axle (5) end face of rotational structure, constitute the cantilever structure of test hub bearing; By loading axle (5) test wheel hub bearing outside is done and the corresponding to high speed rotating of actual condition rotating speed, thereby made the stressed and actual automobilism force status of experimental wheel hub bearing unit consistent; The rotation that loads axle motoring ring test hub bearing is that the rotating speed of main shaft (7) and moment of torsion are passed to loading axle (5) realization by flexible axle (6); Can apply axial load and radial load to the test hub bearing respectively or simultaneously; And test axial load that hub bearing applied is and loads axial load cylinder (11) that axle be arranged in parallel by connecting firmly perpendicular to the loading arm (15) that loads axis with loading arm and being positioned at loading cover (14), the supporting loading arm that loads on the axle and a pair of taper roller that loads spool puts on the test wheel hub bearing outside of high speed rotating; To test radial load that hub bearing applied is to connect firmly and be positioned at a pair of taper roller that the loading cover, the supporting that load on the axle load axle and load cover to put on test the outer of hub bearing and put by the loading arm parallel with radial loaded oil cylinder (1), with loading arm; Make radial loaded oil cylinder (1) be positioned at the central lower and the adjustable position of test hub bearing simultaneously, thereby radial loaded load is acted in the loading of test hub bearing in the heart; Thereby test wheel hub bearing outside being applied axially, not influencing test wheel hub bearing outside during radial load and do and the corresponding to high-speed rotation of actual condition, even test wheel hub bearing outside is applied in required axial, radial load in high speed rotating; Described aforesaid way constitute the test hub bearing in experimental test with car running process in corresponding to stressed the applying of actual condition; Take to make test wheel hub bearing outside to make high speed rotating, under the operating mode of bearing axial load and radial load, carry out silt salt solution water spray test detection simultaneously, promptly the water injector of forming by water tank (22), water pump (21) and catheter nozzle directly is sprayed onto silt salt solution on the test hub bearing (17) of plus load the working environment of simulated automotive hub bearing when inclement weather, road conditions; Promptly test temperature sensor (18) on the wheel hub bearing inner race end face by being arranged on test hub bearing non-rotating end face, the temperature signal of acquisition test hub bearing when actual condition, by vibration transducer (19) promptly is set at the top of working panel in test wheel hub bearing shaft shoulder position, the vibration values letter of acquisition test hub bearing when whole actual condition, and the rotating speed of its overcoat will test hub bearing number test the time, the axial load that is applied, radial load and the vibration signal when this operating condition of test, temperature signal is sent to computing machine, by computing machine according to its analysis software, test hub bearing situation is carried out analysis and judgement, make diagnosis.
2, a kind of automobile hub bearing slurry salt solution and general durability test machine, it is characterized in that: mainly comprise drive transmission device, axially, radial loaded mechanism and to the cantilever support mechanism of test hub bearing, and have the test hub bearing applied the device of silt salt water test and in order to the temperature sensor (18) and the vibration transducer (19) of collecting temperature, vibration signal; The motor of described drive transmission device (24) is given main shaft (7) by belt with transmission of power, and main shaft is connected with loading spool (5) by flexible axle (6), thereby rotating speed and moment of torsion are passed to the loading axle; Have in the described test hub bearing cantilever support mechanism in order to frock support (27), the frock panel (26) of inner ring location and make the frock panel that connects firmly with inner ring and the frock support connects firmly and frock support (27) is fixed on the lathe, the frock transition joint flange (16) that is provided with connects with test hub bearing (17) overcoat and is fixed on the end face that loads axle (5), thereby constitutes the cantilever support structure of test bearing and make test wheel hub bearing inner race fix, test the wheel hub bearing outside with loading a structure of rotating; Described axial loading, have in the radial loaded mechanism test hub bearing is applied axially, the Indirect Loaded structure of radial load, the Indirect Loaded structure comprises loading arm (15), load cover (14), taper roll bearing (4), the frock transition joint flange (16) that connects with the loading axial end, wherein, loading arm (15) is perpendicular to loading axle and vertical with axial load cylinder (11), parallel with radial loaded oil cylinder (1), load cover (14) and connect firmly with loading arm (15) and be positioned at and load axle (5) and go up and load axle, make axially jointly by a pair of taper roll bearing supporting, radial load can pass through loading arm at the same time or separately, load cover, taper roll bearing acts on the loading axle and puts on the test wheel hub bearing outside by the frock joint flange; The set device that the test hub bearing is applied the silt salt water test is made up of water tank (22), water pump (21) and catheter nozzle, in order to directly the test hub bearing that plus load is arranged is sprayed silt salt solution, the actual condition when simulation inclement weather, road conditions; Set temperature sensor (18) is positioned at the non-rotating end face of test hub bearing promptly to be tested on the inner ring end face of hub bearing, set vibration transducer (19) is positioned at the top that the shaft shoulder position of testing hub bearing promptly is arranged on frock panel (26), and between frock panel (26) and vibration transducer (19), vibrating head (20) is set, in order to its vibration signal is amplified,, vibration transducer tests the accurate vibration values that hub bearing itself is produced when actual condition thereby being recorded.
3, automobile hub bearing slurry salt solution according to claim 2 and general durability test machine is characterized in that: have the above-mentioned test mechanism of two covers in the described testing machine, and two cover test mechanisms are symmetricly set on the lathe bed of testing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810141235A CN100593703C (en) | 2008-09-01 | 2008-09-01 | Automobile hub bearing slurry salty liquor and general durability test method and test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810141235A CN100593703C (en) | 2008-09-01 | 2008-09-01 | Automobile hub bearing slurry salty liquor and general durability test method and test machine |
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| Publication Number | Publication Date |
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| CN101339095A true CN101339095A (en) | 2009-01-07 |
| CN100593703C CN100593703C (en) | 2010-03-10 |
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| CN200810141235A Expired - Fee Related CN100593703C (en) | 2008-09-01 | 2008-09-01 | Automobile hub bearing slurry salty liquor and general durability test method and test machine |
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