CN104228566A - Rear-drive vehicle power chain assembling method - Google Patents
Rear-drive vehicle power chain assembling method Download PDFInfo
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- CN104228566A CN104228566A CN201410442586.7A CN201410442586A CN104228566A CN 104228566 A CN104228566 A CN 104228566A CN 201410442586 A CN201410442586 A CN 201410442586A CN 104228566 A CN104228566 A CN 104228566A
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- driving
- shaft assembly
- input mechanism
- axle input
- unbalance
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Abstract
The invention relates to the field of a rear-drive vehicle power system, in particular to a power chain assembling method. The rear-drive vehicle power chain assembling method comprises the following steps of fixedly connecting a power vibration absorber and a driving shaft into a driving shaft assembly, respectively performing dynamic balance test on the driving shaft assembly and a rear-drive axle input mechanism, marking the position points of respective residual unbalance after the balance end surfaces, which are connected and contacted with each other, of the driving shaft assembly and the rear-drive axle input mechanism are counterweighted, and finally fixedly connecting the rear-drive axle input mechanism and the driving shaft assembly, wherein during connection, the position points of the unbalance of the rear-drive axle input mechanism and the driving shaft assembly are separated as far as possible. At first, after the driving shaft and a power vibration absorber are fixedly connected, a heavy point is found by dynamic balance, and a light point of the rear-drive axle input mechanism is close to a heavy point of the driving shaft assembly to the greatest extent, so that the final residual unbalance of a power chain is the smallest, vibration and noise caused by a driving system in a vehicle driving process are reduced, and the service life of the driving system is prolonged.
Description
Technical field
The present invention relates to rear-guard automotive power field, particularly relate to a kind of power transmission chain assembly method.
Background technology
Current drive system structure is as shown in Figure 1: the parts that are associated comprise: transmission shaft 1, dynamic vibration absorber 2 and rear driving axle input mechanism 3; Dynamic vibration absorber 2 brings driving system resonance problem for solving rear-guard vehicle because of dynamic assembly torsional oscillation, to realize buffering between transmission shaft 1 and rear driving axle 3 and absorbing; Existing assembling mode is, three's combination is assembled into one, itself also residual unbalance, is had because of after transmission shaft 1, dynamic vibration absorber 2 and rear driving axle input mechanism 3 three kinetic balance, because having gap between fitted shaft and hole when adding assembling, and site assembly bolt needs three's mounting hole coaxial, operate very difficult, the messenger chain of type of then driving itself is longer, and the residual unbalance, of transmission system and direction will be caused like this to have uncertainty; This residual unbalance, just there will be abnormal sound in motion at vehicle, not only have impact on the traveling comfort of driving, also can shorten the maintenance period of vehicle, improve use cost.
Summary of the invention
Technical matters to be solved by this invention is driven after being to provide one power transmission chain assembly method, first carry out kinetic balance again after transmission shaft and dynamic vibration absorber being fixedly linked when assembling and find emphasis, and after mounting drive axle input mechanism time, make the emphasis dubbing close driving-shaft assembly as far as possible of rear driving axle input mechanism, final dynamofluidal residual unbalance, so just can be made to reach minimum, thus alleviate vibration and noise that transmission system in vehicle travel process causes.
The present invention drives after being achieved in that one power transmission chain assembly method, driving-shaft assembly is become after dynamic vibration absorber and transmission shaft being fixedly linked, respectively dynamic balancing measurement is carried out to driving-shaft assembly and rear driving axle input mechanism, and mark the location point that driving-shaft assembly and rear driving axle input mechanism are interconnected remaining respective amount of unbalance after counterweight on the balance end face that contacts, finally rear driving axle input mechanism and driving-shaft assembly are fixedly linked, the location point making both amount of unbalances during connection as far as possible away from.
Concrete steps are, first set the threshold value of computing ballance correction, attach most importance to the location point of amount of unbalance, and centered by center of rotation, the Central Symmetry point of emphasis is for dubbing; Then following steps are carried out:
S1: dynamic vibration absorber and transmission shaft are fixedly linked into driving-shaft assembly, dynamic balancing measurement is carried out and counterweight to driving-shaft assembly, until the computing ballance correction of driving-shaft assembly is less than or equal to threshold value, the emphasis being driving-shaft assembly with the location point of counterweight rear propeller shaft assy. residual unbalance;
S2: dynamic balancing measurement is carried out and counterweight to rear driving axle input mechanism, dubbing of the rear driving axle input mechanism that after finding counterweight, the location point of rear driving axle input mechanism residual unbalance, is corresponding;
S3: rear driving axle input mechanism and driving-shaft assembly are fixedly linked, guarantees the emphasis dubbing close driving-shaft assembly as far as possible of rear driving axle input mechanism during connection;
Described step S1 and S2 carries out according to random order.
Described computing ballance correction M=F*S, F are the size of amount of unbalance, and S is the location point of amount of unbalance and the distance of center of rotation.
Power transmission chain assembly method of driving after the present invention is carried out kinetic balance again and is found emphasis after first transmission shaft and dynamic vibration absorber being fixedly linked, and when connecting with rear driving axle input mechanism, make the emphasis dubbing close driving-shaft assembly as far as possible of rear driving axle input mechanism, final dynamofluidal residual unbalance, so just can be made to reach minimum, thus alleviate the vibration and noise that transmission system in vehicle travel process causes, improve the service life of driving system.
Accompanying drawing explanation
Fig. 1 be existing after drive dynamic assembly assembling schematic diagram;
Fig. 2 is the assembling schematic diagram of power transmission chain assembly method of driving after the present invention;
Fig. 3 is the kinetic balance end view of driving-shaft assembly in the embodiment of the present invention;
Fig. 4 is the kinetic balance end view of rear driving axle input mechanism in the embodiment of the present invention.
In figure: 1 transmission shaft, 2 dynamic vibration absorbers, 3 rear driving axle input mechanisms, 4 screws, 21 first driving-shaft assembly mounting holes, 22 second driving shaft assembly mounting holes, 23 the 3rd driving-shaft assembly mounting holes, 24 the 4th driving-shaft assembly mounting holes, 25 driving-shaft assembly emphasis, 31 first back axle mounting holes, 32 second back axle mounting holes, 33 third rear axle mounting holes, 34 first back axle mounting holes, 35 rear driving axle input mechanisms dub.
Detailed description of the invention
Below in conjunction with instantiation, set forth the present invention further.Should be understood that these examples are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Example 1
As shown in Figure 2, to drive after one power transmission chain assembly method, first on the flange of dynamic vibration absorber 2 with transmission shaft 1, set up one group of corresponding bolt hole, and via hole is set at the correspondence position of rear driving axle input mechanism 3, become driving-shaft assembly after utilizing screw 4 and the bolt hole set up dynamic vibration absorber 2 and transmission shaft 1 to be fixedly linked; Respectively counterweight after dynamic balancing measurement is carried out to driving-shaft assembly and rear driving axle input mechanism 3, and mark driving-shaft assembly and rear driving axle input mechanism 3 and be interconnected on the balance end face that contacts and remain the location point of driving-shaft assembly amount of unbalance and the location point of residue rear driving axle input mechanism 3 amount of unbalance after counterweight, finally rear driving axle input mechanism 3 and driving-shaft assembly are fixedly linked, make during connection the location point of residue driving-shaft assembly amount of unbalance with and the location point that remain rear driving axle input mechanism 3 amount of unbalance try one's best away from;
In the present invention, find out driving-shaft assembly and be interconnected with rear driving axle input mechanism 3 the balance end face contacted; Because transmission shaft 1 length is larger, all carry out Double End balance usually when carrying out kinetic balance, and it only has one end to contact with rear driving axle input mechanism 3, therefore in the present invention, the location point of described amount of unbalance is the location point on the end face that contacts with each other of driving-shaft assembly and rear driving axle input mechanism 3, namely, when driving-shaft assembly does Double End balance, the location point of the described amount of unbalance on driving-shaft assembly is the location point of the amount of unbalance on one end that driving-shaft assembly is connected with rear driving axle input mechanism 3;
Concrete operation step is, first sets the threshold value of computing ballance correction, described computing ballance correction M=F*S,
F is the size of amount of unbalance, namely should add the weight of clump weight
S is the location point of amount of unbalance and the distance of center of rotation,
In the present invention, this threshold value is set as 18gcm,
On balance end face, attach most importance to the location point of amount of unbalance, centered by center of rotation, the Central Symmetry point of emphasis is for dubbing; Then following steps are carried out:
S1: dynamic vibration absorber 2 and transmission shaft 1 are fixedly linked as driving-shaft assembly, dynamic balancing measurement is carried out and counterweight to driving-shaft assembly, until the computing ballance correction of driving-shaft assembly is less than or equal to threshold value, the emphasis being driving-shaft assembly with the location point of residual unbalance, on counterweight rear propeller shaft assy. balance end face;
S2: dynamic balancing measurement is carried out to rear driving axle input mechanism 3, dynamic balancing measurement is carried out and counterweight to rear driving axle input mechanism 3, until the computing ballance correction of rear driving axle input mechanism 3 is less than or equal to threshold value, dubbing corresponding to the residual unbalance, finding rear driving axle input mechanism 3 to balance on end face;
S3: rear driving axle input mechanism 3 and driving-shaft assembly are fixedly linked, guarantees the emphasis dubbing close driving-shaft assembly as far as possible of rear driving axle input mechanism 3 during connection;
Described step S1 and S2 carries out according to random order, and the instrument that in the present invention, dynamic balancing measurement is used is German Shen Ke Machinery Co., Ltd. SCHENCK, RDB-100A.
As shown in Figure 3,4, during concrete enforcement, transmission shaft 1, dynamic vibration absorber 2 and the rear driving axle input mechanism 3 of driving after this in dynamic assembly are all provided with 4 corresponding mounting holes, four mounting holes take axle center as circular ring-shaped array, use bolted after when mounted the mounting hole of three is coaxial.In existing mounting means, because four mounting holes are annular array, therefore without the need to the numbering of four mounting holes, as long as ensure that it is simultaneously coaxial, in the present embodiment, first driving-shaft assembly mounting hole 21 is labeled as respectively to four mounting holes that driving-shaft assembly is formed, second driving shaft assembly mounting hole 22, 3rd driving-shaft assembly mounting hole 23, 4th driving-shaft assembly mounting hole 24, first back axle mounting hole 31 is labeled as to the mounting hole of four on rear driving axle input mechanism 3, second back axle mounting hole 32, third rear axle mounting hole 33, first back axle mounting hole 34, again dynamic balancing measurement is carried out to driving-shaft assembly and rear driving axle input mechanism 3, mark driving-shaft assembly emphasis 25 and rear driving axle input mechanism dubs 35, according to this position, aim at the second back axle mounting hole 32 when the first driving-shaft assembly mounting hole 21 to install, when all the other are analogized in turn, the spacing that driving-shaft assembly emphasis 25 and rear driving axle input mechanism dub between 35 is minimum, after adopting this kind of mode to install, effectively reduce the vehicle abnormal sound that causes of transmission system in the process of moving.
Claims (3)
1. to drive after one kind power transmission chain assembly method, it is characterized in that: after dynamic vibration absorber (2) and transmission shaft (1) being fixedly linked, become driving-shaft assembly, respectively dynamic balancing measurement is carried out to driving-shaft assembly and rear driving axle input mechanism (3), and mark the location point that driving-shaft assembly and rear driving axle input mechanism (3) are interconnected remaining respective amount of unbalance after counterweight on the balance end face that contacts, finally rear driving axle input mechanism (3) and driving-shaft assembly are fixedly linked, the location point making both amount of unbalances during connection as far as possible away from.
2. drive after as claimed in claim 1 power transmission chain assembly method, it is characterized in that: concrete steps are, first set the threshold value of computing ballance correction, attach most importance to the location point of amount of unbalance, centered by center of rotation, the Central Symmetry point of emphasis is for dubbing; Then following steps are carried out:
S1: dynamic vibration absorber (2) and transmission shaft (1) are fixedly linked as driving-shaft assembly, dynamic balancing measurement is carried out and counterweight to driving-shaft assembly, until the computing ballance correction of driving-shaft assembly is less than or equal to threshold value, the emphasis being driving-shaft assembly with the location point of counterweight rear propeller shaft assy. residual unbalance;
S2: dynamic balancing measurement is carried out and counterweight to rear driving axle input mechanism (3), dubbing of rear driving axle input mechanism (3) that after finding counterweight, the location point of rear driving axle input mechanism residual unbalance, is corresponding;
S3: rear driving axle input mechanism (3) and driving-shaft assembly are fixedly linked, guarantees the emphasis dubbing close driving-shaft assembly as far as possible of rear driving axle input mechanism (3) during connection;
Described step S1 and S2 carries out according to random order.
3. drive after as claimed in claim 1 power transmission chain assembly method, it is characterized in that: described computing ballance correction M=F*S, F are the size of amount of unbalance, S is the location point of amount of unbalance and the distance of center of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442586.7A CN104228566B (en) | 2014-09-02 | 2014-09-02 | After drive power transmission chain assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442586.7A CN104228566B (en) | 2014-09-02 | 2014-09-02 | After drive power transmission chain assembly method |
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| Publication Number | Publication Date |
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| CN104228566A true CN104228566A (en) | 2014-12-24 |
| CN104228566B CN104228566B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410442586.7A Active CN104228566B (en) | 2014-09-02 | 2014-09-02 | After drive power transmission chain assembly method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776215A (en) * | 1987-04-30 | 1988-10-11 | Dynabal Corporation | Dynamic balancing system and method |
| EP0588547A1 (en) * | 1992-09-10 | 1994-03-23 | Dana Corporation | Apparatus for balancing a combined assembly of a drive shaft and axle input shaft |
| CN101380893A (en) * | 2008-10-23 | 2009-03-11 | 许昌远东传动轴股份有限公司 | Transmission shaft assembly assembling process |
| CN202138227U (en) * | 2011-06-30 | 2012-02-08 | 东风汽车有限公司 | Novel transmission shaft assembly |
| CN202294143U (en) * | 2011-11-14 | 2012-07-04 | 北汽福田汽车股份有限公司 | Connecting rod following balancing suspension mechanism and automobile comprising same |
-
2014
- 2014-09-02 CN CN201410442586.7A patent/CN104228566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776215A (en) * | 1987-04-30 | 1988-10-11 | Dynabal Corporation | Dynamic balancing system and method |
| EP0588547A1 (en) * | 1992-09-10 | 1994-03-23 | Dana Corporation | Apparatus for balancing a combined assembly of a drive shaft and axle input shaft |
| CN101380893A (en) * | 2008-10-23 | 2009-03-11 | 许昌远东传动轴股份有限公司 | Transmission shaft assembly assembling process |
| CN202138227U (en) * | 2011-06-30 | 2012-02-08 | 东风汽车有限公司 | Novel transmission shaft assembly |
| CN202294143U (en) * | 2011-11-14 | 2012-07-04 | 北汽福田汽车股份有限公司 | Connecting rod following balancing suspension mechanism and automobile comprising same |
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| Publication number | Publication date |
|---|---|
| CN104228566B (en) | 2016-06-22 |
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