CN103954449A - Detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions - Google Patents
Detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions Download PDFInfo
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- CN103954449A CN103954449A CN201410197981.3A CN201410197981A CN103954449A CN 103954449 A CN103954449 A CN 103954449A CN 201410197981 A CN201410197981 A CN 201410197981A CN 103954449 A CN103954449 A CN 103954449A
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Abstract
The invention relates to a detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions. The device comprises a bottom frame assembly, a rotating plate assembly, a control observing platform, an image sensor, a temperature sensor and an angle sensor. The angle sensor is arranged on the side surface of the rotating plate assembly. One end of the rotating plate assembly is provided with two vehicle axle supports for clamping a test vehicle axle assembly. A supporting table for supporting the rotating plate assembly is arranged in the middle of the bottom frame assembly. The rotating plate assembly is connected with the supporting table through a rotating shaft. At least two locking rods with the hollowed-out middle portions are arranged on the two sides of the bottom frame assembly. The rotating plate assembly is connected with a locking rod through a locking pin in a movable mode. Meanwhile, an electric pushing rod is connected between the position below one end, close to the vehicle axle supports, of the rotating plate assembly and the bottom frame assembly. By simulating different road conditions for vehicle running, the lubrication situation of an inner gear of the vehicle axle assembly is observed and detected visually, and the effective basis and reference can be provided for designing and improving of the vehicle axle assembly.
Description
Technical field
The present invention relates to rear axle assembly gear lubrication Test And Check Technology, be specifically related under the different road conditions of a kind of simulation in automobile after axle assembly gear lubrication checkout equipment and detection method.
Background technology
Rear axle in vehicle assembly internal gear is lubricated mainly by rotate and gear oil is splash to spray lubrication respectively rotate position by gear in rear axle in vehicle inner chamber filling gear lubricant, to guarantee that in vehicle axle assembly, main gearbox assembly, differential gear and bearing reach the lubricated also effect of efficiently radiates heat.How axle gear oil has annotated can increase gear operation resistance and power consumption, and gear and lubricating oil heat are difficult for lost, and the higher meeting of the excessive lubricating oil temperature of bridge internal pressure damages oil sealing and junction sealing gasket causes leakage of oil; Axle gear oil is annotated to have lacked and is caused each gear dry friction, has burnt out speed reduction unit and differential gear and bearing and has caused gear locking to cause serious mechanical accident.
At present there is strict regulation in domestic each vehicle bridge manufacturing firm to the axle assembly oil filling of different model, but automobile is under different road conditions as gone up a slope or cause the lubricated validity of axle assembly internal gear to change because different change can occur lubricating oil height in Action of Gravity Field axle assembly during descending.Current domestic vehicle bridge producer, to fault mode that in Real-road Driving Cycle, axle assembly insufficient lubrication causes and inherent mechanism comparatively effective experiment detection device not, lacks effective analytic demonstration.
Summary of the invention
For problem and the actual conditions of current existence, the object of the present invention is to provide a kind of simulated automotive to travel in different road conditions after the lubricated checkout equipment of axle assembly internal gear and detection method.This checkout equipment can simulated automotive travel when the different road conditions such as level land, upward slope, descending to automobile in after inner each parts of axle assembly are lubricated observes and test unit and the detection method of Data Collection.
For addressing the above problem, the invention provides car rear axle assy gear lubrication checkout equipment in the different road conditions of a kind of simulation, comprise chassis assembly, flap assembly, control observation platform, imageing sensor, temperature sensor, angular transducer, described angular transducer is located on flap assembly side surface, flap assembly one end is provided with two for engaging the vehicle bridge supporting seat of instruction carriage axle assembly, instruction carriage axle assembly is provided with imageing sensor and temperature sensor, the flap assembly other end is provided with drive motor, between described vehicle bridge supporting seat and drive motor, be provided with float support seat, float support seat top is provided with for connecting the transmission shaft of axle assembly and motor coupling shaft,
In the middle of described chassis assembly, be provided with for supporting the brace table of flap assembly, flap assembly is connected by rotating shaft with brace table, chassis assembly both sides are respectively provided with the tight locking bar of at least two middle hollow outs, flap assembly is flexibly connected with tight locking bar by locking pin, and flap assembly is by being connected with an electric pushrod between the below of vehicle bridge supporting seat one end and chassis assembly simultaneously.
Concrete, between the brace table in described chassis assembly and underframe plate, be connected with a plurality of inclined support bars.
Concrete, described tight locking bar is connected by rotating shaft with chassis assembly.
Concrete, described transmission shaft and drive motor are arranged with protective cover outward.
The present invention specifically provides a kind of method of utilizing described checkout equipment to detect, it is characterized in that comprising the following steps:
1.. simulation level land is exercised road conditions and is detected, and controls electric pushrod flap assembly is adjusted to horizontal level by control observation platform, and now flap assembly and horizontal plane angle are 0 °, and by locking pin, flap assembly are tightly locked on tight locking bar.
2.. temperature sensor is arranged on to test bridge assembly and drains the oil in threaded hole, and according to test bridge assembly the technical requirement required lubricating oil of annotating.
3.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 30Km/r, adjusting drive motor output speed is 400-800r/min microrunning, the test bridge assembly of take running without strike note or the acyclic inhomogeneous sound as qualified.
4.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 50Km/r, adjusting drive motor output speed is that 1000-1500r/min runs up, and starts following detecting step after moving 15 minutes:
A, lubrication circumstances detect: imageing sensor is arranged on to instruction carriage axle assembly and can observe main bearing, the main tapping in advance that subtracts main quilt tooth etc. need detection position of subtracting, by console display, observe parts internal lubrication situation, it is qualified that lubricating oil can lubricate covering parts motion mating surface.
B, temperature detection: test bridge assembly internal lubrication oil temperature when motor output speed runs up, when temperature sensor detected temperatures-testing ground, Shi Wen≤60 ° C is qualified.
. simulation upward slope road conditions detect, and control electric pushrod move downward by control observation platform, and making flap assembly and horizontal plane angle is 15 °, and by locking pin, flap assembly is tightly locked on tight locking bar.Then repeat above-mentioned
-
step;
. simulation descending road conditions detect, and control electric pushrod move upward by control observation platform, make flap assembly and horizontal plane angle be-15 °, and by locking pin, flap assembly are tightly locked on tight locking bar.Then repeat above-mentioned
-
step;
Further, 4. described step also comprises walkaway link, in the gear vice division chief of main reducing gear, an A level sound meter is placed on to 150mm place, the final drive casing top measurement noise of the taper gear pair center line vertical plane of main reducing gear, noise≤95dB is qualified; A level sound meter is placed on to 150mm place measurement noise outside the wheel limit of Lun Bian planet wheel vice division chief, it is qualified according to the designing requirement of instruction carriage axle assembly, to determine whether.
Further, described temperature detection step also comprises: it is qualified adopting infrared thermometer to measure installing positions of bearings and wheel appearance surface temperature≤40, limit ° C everywhere.
Beneficial effect of the present invention is: the present invention by simulated automotive travel the different road conditions in level land, upward slope, descending to automobile in after the lubricated observation experiment that carries out of axle assembly internal gear, collect detection data and can provide effective solution to the lubrication failure pattern analysis of axle assembly on market, for the design of axle assembly optimization of inside structure is offered reference, reduce the failure rate of product on market, improve quality and the customer satisfaction of product.Also can provide effective verification mode for newly-designed axle assembly structural design.While test unit of the present invention, simple in structure, cost is lower, easy to maintenance, be applicable to the test of the middle rear axle housing assembly of many kinds, set of applications combination principle, is designed with rear axle assy in all kinds of different overall lengths of adjustable positioning and clamping mechanism solution and tests required location and clamping, can meet the testing requirements of serial axle assembly how wide in variety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, with regard to the specific embodiment of the present invention, be described in further detail, wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cut-open view along M-M face;
Fig. 3 is the cut-open view along N-N face.
Embodiment
Shown in accompanying drawing 1-3, the present invention is car rear axle assy gear lubrication checkout equipment in the different road conditions of a kind of simulation, comprise chassis assembly 1, flap assembly 2, control observation platform 17, imageing sensor 16, temperature sensor 14, angular transducer 15, described angular transducer 15 is located on the side surface of flap assembly 1, flap assembly 1 one end is provided with two for engaging the vehicle bridge supporting seat 4 of instruction carriage axle assembly 5, instruction carriage axle assembly 5 is provided with imageing sensor 16 and temperature sensor 14, flap assembly 2 other ends are provided with drive motor 10, 10 of described vehicle bridge supporting seat 4 and drive motor are provided with float support seat 6, float support seat 6 tops are provided with for connecting the transmission shaft 7 of axle assembly 5 and motor coupling shaft 8, in the middle of chassis assembly 1, be provided with for supporting the brace table 18 of flap assembly 2, flap assembly 2 links together by rotating shaft with brace table 18, chassis assembly 1 both sides are respectively provided with the tight locking bar 11 of two middle hollow outs, flap assembly 2 is flexibly connected with tight locking bar 11 by locking pin 12, flap assembly 2 is connected with an electric pushrod 3 by below and 1 of the chassis assembly of vehicle bridge supporting seat 4 one end simultaneously.
Concrete, between the brace table 18 in described chassis assembly 1 and underframe plate, be connected with a plurality of inclined support bars 19.
Concrete, described tight locking bar 11 is connected by rotating shaft 13 with chassis assembly 1.
Concrete, the outer protective cover 9 that is arranged with of described transmission shaft 7 and drive motor 10.
The method of utilizing above-mentioned checkout equipment to detect comprises the following steps:
1.. simulation level land is exercised road conditions and is detected, and controls electric pushrod flap assembly is adjusted to horizontal level by control observation platform, and now flap assembly and horizontal plane angle are 0 °, and by locking pin, flap assembly are tightly locked on tight locking bar.
2.. temperature sensor is arranged on to test bridge assembly and drains the oil in threaded hole, and according to test bridge assembly the technical requirement required lubricating oil of annotating.
3.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 30Km/r, adjusting drive motor output speed is 400-800r/min microrunning, the test bridge assembly of take running without strike note or the acyclic inhomogeneous sound as qualified.
4.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 50Km/r, adjusting drive motor output speed is that 1000-1500r/min runs up, and starts following detecting step after moving 15 minutes:
A, lubrication circumstances detect: imageing sensor is arranged on to instruction carriage axle assembly and can observe main bearing, the main tapping in advance that subtracts main quilt tooth etc. need detection position of subtracting, by console display, observe parts internal lubrication situation, it is qualified that lubricating oil can lubricate covering parts motion mating surface.
B, temperature detection: test bridge assembly internal lubrication oil temperature when motor output speed runs up, when temperature sensor detected temperatures-testing ground, Shi Wen≤60 ° C is qualified.
. simulation upward slope road conditions detect, and control electric pushrod move downward by control observation platform, and making flap assembly and horizontal plane angle is 15 °, and by locking pin, flap assembly is tightly locked on tight locking bar.Then repeat above-mentioned
-
step;
. simulation descending road conditions detect, and control electric pushrod move upward by control observation platform, make flap assembly and horizontal plane angle be-15 °, and by locking pin, flap assembly are tightly locked on tight locking bar.Then repeat above-mentioned
-
step;
Further, 4. described step also comprises walkaway link, in the gear vice division chief of main reducing gear, an A level sound meter is placed on to 150mm place, the final drive casing top measurement noise of the taper gear pair center line vertical plane of main reducing gear, noise≤95dB is qualified; A level sound meter is placed on to 150mm place measurement noise outside the wheel limit of Lun Bian planet wheel vice division chief, it is qualified according to the designing requirement of instruction carriage axle assembly, to determine whether.
Further, described temperature detection step also comprises: it is qualified adopting infrared thermometer to measure installing positions of bearings and wheel appearance surface temperature≤40, limit ° C everywhere.
The above; only for the better embodiment of the present invention, but protection domain of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore protection domain of the present invention is as the criterion with the protection domain of claims.
Claims (7)
1. simulate car rear axle assy gear lubrication checkout equipment in different road conditions for one kind, comprise chassis assembly, flap assembly, control observation platform, imageing sensor, temperature sensor, angular transducer, described angular transducer is located on flap assembly side surface, flap assembly one end is provided with two for engaging the vehicle bridge supporting seat of instruction carriage axle assembly, instruction carriage axle assembly is provided with imageing sensor and temperature sensor, the flap assembly other end is provided with drive motor, between described vehicle bridge supporting seat and drive motor, be provided with float support seat, float support seat top is provided with for connecting the transmission shaft of axle assembly and motor coupling shaft,
It is characterized in that: in the middle of described chassis assembly, be provided with for supporting the brace table of flap assembly, flap assembly is connected by rotating shaft with brace table, chassis assembly both sides are respectively provided with the tight locking bar of at least two middle hollow outs, flap assembly is flexibly connected with tight locking bar by locking pin, and flap assembly is by being connected with an electric pushrod between the below of vehicle bridge supporting seat one end and chassis assembly simultaneously.
2. car rear axle assy gear lubrication checkout equipment in the different road conditions of a kind of simulation as claimed in claim 1, is characterized in that being connected with a plurality of inclined support bars between brace table in described chassis assembly and underframe plate.
3. car rear axle assy gear lubrication checkout equipment in the different road conditions of a kind of simulation as claimed in claim 1, is characterized in that described tight locking bar is connected by rotating shaft with chassis assembly.
4. car rear axle assy gear lubrication checkout equipment in the different road conditions of a kind of simulation as claimed in claim 1, is characterized in that described transmission shaft and drive motor are arranged with protective cover outward.
5. a method of utilizing checkout equipment as claimed in claim 1 to detect, is characterized in that comprising the following steps:
1.. simulation level land is exercised road conditions and is detected, and controls electric pushrod flap assembly is adjusted to horizontal level by control observation platform, and now flap assembly and horizontal plane angle are 0 °, and by locking pin, flap assembly are tightly locked on tight locking bar;
2.. temperature sensor is arranged on to test bridge assembly and drains the oil in threaded hole, and according to test bridge assembly the technical requirement required lubricating oil of annotating;
3.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 30Km/r, adjusting drive motor output speed is 400-800r/min microrunning, the test bridge assembly of take running without strike note or the acyclic inhomogeneous sound as qualified;
4.. according to instruction carriage axle ratio, calculate and be equivalent to the rotating speed that car load speed is 50Km/r, adjusting drive motor output speed is that 1000-1500r/min runs up, and starts following detecting step after moving 15 minutes:
A, lubrication circumstances detect: imageing sensor is arranged on to instruction carriage axle assembly and can observe main bearing, the main tapping in advance that subtracts main quilt tooth etc. need detection position of subtracting, by console display, observe parts internal lubrication situation, it is qualified that lubricating oil can lubricate covering parts motion mating surface;
B, temperature detection: test bridge assembly internal lubrication oil temperature when motor output speed runs up, when temperature sensor detected temperatures-testing ground, Shi Wen≤60 ° C is qualified;
. simulation upward slope road conditions detect, and control electric pushrod move downward by control observation platform, and making flap assembly and horizontal plane angle is 15 °, and by locking pin, flap assembly is tightly locked on tight locking bar, then repeats above-mentioned
-
step;
. simulation descending road conditions detect, and control electric pushrod move upward by control observation platform, make flap assembly and horizontal plane angle be-15 °, and by locking pin, flap assembly are tightly locked on tight locking bar, then repeat above-mentioned
-
step.
6. a kind of method of utilizing checkout equipment as claimed in claim 1 to detect as claimed in claim 5, it is characterized in that 4. described step also comprises walkaway link, in the gear vice division chief of main reducing gear, 150mm place, the final drive casing top measurement noise that one A level sound meter is placed on to the taper gear pair center line vertical plane of main reducing gear, noise≤95dB is qualified; A level sound meter is placed on to 150mm place measurement noise outside the wheel limit of Lun Bian planet wheel vice division chief, it is qualified according to the designing requirement of instruction carriage axle assembly, to determine whether.
7. a kind of method of utilizing checkout equipment as claimed in claim 1 to detect as claimed in claim 5, is characterized in that described temperature detection step also comprises: it is qualified adopting infrared thermometer to measure installing positions of bearings and wheel appearance surface temperature≤40, limit ° C everywhere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197981.3A CN103954449A (en) | 2014-05-12 | 2014-05-12 | Detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410197981.3A CN103954449A (en) | 2014-05-12 | 2014-05-12 | Detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions |
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| CN103954449A true CN103954449A (en) | 2014-07-30 |
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| CN201410197981.3A Pending CN103954449A (en) | 2014-05-12 | 2014-05-12 | Detecting device and method of vehicle rear axle assembly gear lubrication in different simulated road conditions |
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| CN105004531A (en) * | 2015-07-28 | 2015-10-28 | 罗公祥 | Semitrailer performance test platform |
| KR101598302B1 (en) * | 2014-12-03 | 2016-02-26 | 경기대학교 산학협력단 | Flow velocity and water catchment experiment device of rain water on the road |
| KR20160144538A (en) * | 2015-06-08 | 2016-12-19 | 현대자동차주식회사 | Vehicle NVH Testing Apparatus Providing Slope Way Simulation |
| CN107063400A (en) * | 2016-11-18 | 2017-08-18 | 安徽江淮汽车集团股份有限公司 | A kind of calibration system of automobile instrument and fuel tank |
| CN114112377A (en) * | 2021-11-29 | 2022-03-01 | 安徽科技学院 | Vibration characteristic testing device convenient for switching gears and simulating self-lubrication |
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| KR101598302B1 (en) * | 2014-12-03 | 2016-02-26 | 경기대학교 산학협력단 | Flow velocity and water catchment experiment device of rain water on the road |
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| CN114112377A (en) * | 2021-11-29 | 2022-03-01 | 安徽科技学院 | Vibration characteristic testing device convenient for switching gears and simulating self-lubrication |
| CN114112377B (en) * | 2021-11-29 | 2023-10-13 | 安徽科技学院 | Vibration characteristic testing device convenient for switching gears and simulating self-lubrication |
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Application publication date: 20140730 |