CN203979096U - A kind of driving-shaft assembly and test system - Google Patents
A kind of driving-shaft assembly and test system Download PDFInfo
- Publication number
- CN203979096U CN203979096U CN201420072407.0U CN201420072407U CN203979096U CN 203979096 U CN203979096 U CN 203979096U CN 201420072407 U CN201420072407 U CN 201420072407U CN 203979096 U CN203979096 U CN 203979096U
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- Prior art keywords
- shaft
- driving
- shaft assembly
- assembly
- flange
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- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a kind of driving-shaft assembly and test system thereof.This driving-shaft assembly is made up of flange assembly, coupling and flexible shaft, and described flange assembly combines as a whole by coupling and flexible shaft.The structure of flexible shaft wherein and material all reduce the vibration noise of this driving-shaft assembly in rotation process; Its coupling is formed by stacking by the multi-layer thin steel plate that is no less than 1 layer, such structure, also be conducive to reduce the vibrating noise that it produces in rotation process, thereby ensure the numerical precision of institute's vibration measuring moving noise of detected member, therefore, such driving-shaft assembly is widely used in the test of the detection to vibration noise in automobile experiment chamber.This test system comprises test block and measured piece, and described test block is connected by driving-shaft assembly with measured piece, and described test system is noise measuring system.
Description
Technical field
The utility model relates to automotive field, relates in particular to a kind of driving-shaft assembly and the test system that comprises this driving-shaft assembly.
Background technique
The component such as the motor of automobile, gearbox, motor usually need to measure its vibration and noise parameter.This test is usually to carry out in special test room.For the vibration and noise measured value that ensures the measured pieces self such as motor, gearbox, motor is not subject to ambient noise interference effect, need to reduce to greatest extent to the greatest extent the interaction noise that non-measured piece produces, for this reason, the measurement of the vibration and noise of measured piece is normally carried out in the special semianechoic room of experiments of measuring or anechoic room, to obtain good free field characteristic.
General anechoic room takes measured piece (as motor, gearbox etc.) and test block (for example power measurer or motor) to be arranged in two rooms, makes it not at same room.The transmission shaft that causes like this power measurer or motor to be connected with measured piece is longer, easily produces vibration and hum under High Rotation Speed.
Model utility content
(1) problem to be solved in the utility model:
The utility model has reduced the interference noise that the non-measured pieces such as the transmission shaft that is connected with measured piece produce in High Rotation Speed process, thereby improves the precision of measured piece measurement parameter.
(2) the technical solution of the utility model:
The utility model provides a kind of driving-shaft assembly and test system thereof, and described driving-shaft assembly comprises flexible shaft and be arranged on flange assembly and the coupling at described flexible shaft two ends, and described flange assembly combines as a whole by coupling and flexible shaft.
Further, above-mentioned flexible shaft comprises flexible layer and hollow circular shaft, and described flexible layer covers on the outer surface of described hollow circular shaft.
Further, above-mentioned flexible layer is carbon fiber layer, and above-mentioned hollow circular shaft is hollow metal circular shaft.
Further, above-mentioned flexible shaft is carbon fiber solid shaft.
Further, above-mentioned coupling is formed by stacking by multi-layer thin steel plate.
Further, between the steel plate of above-mentioned coupling, be connected to an entirety by manner.
Further, above-mentioned flange assembly is that two flanges and flange shaft group are in aggregates, wherein, and a flange of the each connection in the two ends of flange shaft.
The utility model also provides a kind of test system, and this test system comprises test block and measured piece, and described test block is connected by driving-shaft assembly with measured piece, and described driving-shaft assembly is the driving-shaft assembly described in above-mentioned any one.
Further, described test system is noise measuring system.
(3) beneficial effect that the utility model produces:
The material of vibration noise that the total part of chief component of driving-shaft assembly provided by the utility model produces in rotation process by minimizing parts and the parts of structure composition, significantly reduce the vibration noise that driving-shaft assembly produces in rotation process, effectively reduce the interference noise that non-measured piece produces, ensure the accuracy of the tested vibration noise numerical value of measured piece, improved the precision of measurement parameter.
Brief description of the drawings
The structural representation of the driving-shaft assembly that Fig. 1 provides for the utility model;
The installment state schematic diagram of the driving-shaft assembly that Fig. 2 provides for the utility model.
1. flange assembly; 2. coupling; 3. flexible shaft; 4. support; 5. black iron; 6. ground
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting protection domain of the present utility model.
As shown in Figure 1-2, the utility model provides a kind of driving-shaft assembly and test system thereof, and this driving-shaft assembly is made up of flange assembly 1, coupling 2 and flexible shaft 3, and wherein, flange assembly 1 combines as a whole by coupling 2 and flexible shaft 3.This driving-shaft assembly is measured the vibration noise parameter value of the component such as motor, gearbox for automobile experiment chamber.In order to make the least possible interference overlaying influence that is subject to ambient noise of measured parameter numerical value, experiment is normally carried out in special anechoic chamber or semi-anechoic room.
In anechoic room or semianechoic room, under normal circumstances, support 4 is fixed on ground black iron 5, and ground black iron 5 is positioned at the ground 6 that anechoic room is special, by two pack supports 4 and ground black iron 5, just driving-shaft assembly can be horizontally fixed on two supports 4 in left and right.The effect of ground black iron 5 is supporting brackets 4, and plays effectiveness in vibration suppression; The effect of support 4 is supporting shaft assemblies, make driving-shaft assembly can two end supports on the support of two of left and right, and can rotate, under normal circumstances, the axis of flexible shaft 3 is set to level, also the needs that can arrange according to space, the axis of flexible shaft 3 is set to or vertical state.
Experiment prestart, first the flange assembly of one end of driving-shaft assembly 1 is connected with power measurer, flange assembly 1 and the measured piece motor of the other end, gearboxes etc. are connected, connect complete, start power measurer, to parameter values such as the default rotating speeds of power measurer input experiment condition, drive the driving-shaft assembly being attached thereto to rotate by power measurer, driving-shaft assembly passes to rotation again the measured piece (such as motor or gearbox etc.) being attached thereto, thereby realize measured piece (for example motor or gearbox) rotates under predefined value, and then, measure under this operating mode, the duty parameter value various to be measured of measured piece.
The feature of the driving-shaft assembly that the utility model provides is: due to structural feature or the material behavior of the component parts of driving-shaft assembly, all can ensure the reducing noise that it produces in rotation process, thereby alleviate the overlaying influence of the vibration and noise numerical value to be measured to detected pieces.
Specifically, in driving-shaft assembly provided by the utility model, transmission shaft is flexible shaft, itself just can reduce the vibration noise producing in its rotary course.
Further, described coupling is formed by stacking by the multi-layer thin steel plate that is no less than one deck, the concavo-convex chimeric surface that each steel plate lamella arranges by its surface fastens and forms the detachable type integration structure of combining closely, such structure, between lamella, nature can have small gap or gap, and the existence in such gap or gap, impact and reserved space for the activity of the microcosmic part in rotatable parts rotation process, can effectively reduce the mutual interference between moving element and hit punching, thereby can reduce the generation of noise.
Further, flexible shaft 3 is made up of flexible material and hollow metal circular shaft, and described flexible material is socketed on metal circular tube outer surface.Such structure, is conducive to reduce the vibration noise that driving-shaft assembly produces in rotation process.
Further, described flexible material is carbon fiber, and described metal is steel.Flexible material itself is exactly low noise material, and steel are in order to strengthen intensity, and alleviate the weight of transmission shaft.
Further, described flexible shaft is 3 carbon fiber solid shafts.In the time that the diameter of transmission shaft is thinner, owing to not needing too high intensity, thereby flexible shaft 3 can be made to carbon fiber solid shaft.
Further, described flange assembly 1 is that two flanges and flange shaft group are in aggregates, and wherein, a flange of the each connection in the two ends of flange shaft, is connected by welding method between described flange and flange shaft.Such structure, is conveniently connected with measured piece with the power measurer at two ends.
Further, between flexible shaft 3 and coupling 2, between coupling 2 and flange assembly, be bolt and connect.
The utility model also provides a kind of test system, this test system comprises test block and measured piece, described test block is connected by driving-shaft assembly with measured piece, and described driving-shaft assembly is above-mentioned any one driving-shaft assembly, and described test system is noise measuring system.
In sum, driving-shaft assembly provided by the utility model and test system thereof, can reduce the interaction noise that driving-shaft assembly produces in rotation process effectively, thereby ensure the degree of accuracy of measured piece vibration noise numerical value.
Claims (8)
1. a driving-shaft assembly, comprises flexible shaft and is arranged on flange assembly and the coupling at described flexible shaft two ends, described flange assembly combines as a whole by coupling and flexible shaft, it is characterized in that: described coupling is formed by stacking by multi-layer thin steel plate.
2. driving-shaft assembly according to claim 1, is characterized in that: described flexible shaft comprises flexible layer and hollow circular shaft, and described flexible layer covers on the outer surface of described hollow circular shaft.
3. driving-shaft assembly according to claim 2, is characterized in that: described flexible layer is carbon fiber layer, and described hollow circular shaft is hollow metal circular shaft.
4. driving-shaft assembly according to claim 1, is characterized in that: described flexible shaft is carbon fiber solid shaft.
5. driving-shaft assembly according to claim 1, is characterized in that: between the steel plate of described coupling, be connected to an entirety by manner.
6. driving-shaft assembly according to claim 1, is characterized in that: described flange assembly is that two flanges and flange shaft group are in aggregates, wherein, and a flange of the each connection in the two ends of flange shaft.
7. a test system, this test system comprises test block and measured piece, and described test block is connected by driving-shaft assembly with measured piece, it is characterized in that, and described driving-shaft assembly is the driving-shaft assembly described in any one in claim 1 to 6.
8. test system according to claim 7, is characterized in that, described test system is noise measuring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072407.0U CN203979096U (en) | 2014-02-19 | 2014-02-19 | A kind of driving-shaft assembly and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072407.0U CN203979096U (en) | 2014-02-19 | 2014-02-19 | A kind of driving-shaft assembly and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979096U true CN203979096U (en) | 2014-12-03 |
Family
ID=51976547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072407.0U Expired - Lifetime CN203979096U (en) | 2014-02-19 | 2014-02-19 | A kind of driving-shaft assembly and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223018A (en) * | 2015-09-29 | 2016-01-06 | 北汽福田汽车股份有限公司 | Pilot system |
| CN105445122A (en) * | 2015-11-03 | 2016-03-30 | 江铃控股有限公司 | Measurement combination for fastening process of automobile engine crankshaft belt pulley |
-
2014
- 2014-02-19 CN CN201420072407.0U patent/CN203979096U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223018A (en) * | 2015-09-29 | 2016-01-06 | 北汽福田汽车股份有限公司 | Pilot system |
| CN105445122A (en) * | 2015-11-03 | 2016-03-30 | 江铃控股有限公司 | Measurement combination for fastening process of automobile engine crankshaft belt pulley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
|
| CX01 | Expiry of patent term |