CN106706114A - Vehicle transmission shaft torsional vibration characteristic acquisition device - Google Patents
Vehicle transmission shaft torsional vibration characteristic acquisition device Download PDFInfo
- Publication number
- CN106706114A CN106706114A CN201710094548.0A CN201710094548A CN106706114A CN 106706114 A CN106706114 A CN 106706114A CN 201710094548 A CN201710094548 A CN 201710094548A CN 106706114 A CN106706114 A CN 106706114A
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- China
- Prior art keywords
- transmission shaft
- torsional vibration
- vibration characteristic
- signal acquisition
- shaft torsional
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004577 thatch Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a vehicle transmission shaft torsional vibration characteristic acquisition device which comprises a signal acquisition disk and a data acquisition component, wherein a positioning hole and a first mounting hole around the positioning hole are formed in the middle of the signal acquisition disk; the signal acquisition disk is inserted into a transmission shaft of the vehicle through the positioning hole and is fixed on the transmission shaft of the vehicle through the first mounting hole; multiple axial inner holes are formed in the inner side of the signal acquisition disk, and multiple radial square teeth are arranged along the edge of the signal acquisition disk; and the signal acquisition direction of the data acquisition component is vertically aligned with openings of the radial square teeth or the axial inner holes. The assistant acquisition device provided by the embodiment of the invention can be adaptive to multiple vehicles, the radial or axial space is fully utilized, and the arrangement and mounting are facilitated; and a mounting bracket of the assistant acquisition device has relatively high flexibility. The mounting bracket can be fixed flexibly by use of the bolt in each direction of the chassis, and the defect of difficult recovery of a welding way is avoided.
Description
Technical field
The present invention relates to a kind of test device, more particularly to a kind of vehicular transmission shaft torsional vibration characteristic harvester.
Background technology
The power train of vehicle is multivariant torsional vibration system, when engine, road surface or wheel out-of-balance force are produced
Raw periodicity is reversed when encouraging consistent with the torsional oscillation mode of system, and the torsional oscillation of system is exaggerated, and then causes vehicle vibration, car
The a series of vehicle NVH (Noise, Vibration and Harshness, noise, vibration and sound vibration roughness) such as inside thunder
Problem, or even cause vehicle chassis component resonance vibration failure problem, torsional vibration system must be paid close attention to during vehicle development.Pass
It is crucial zero that moving axis connects gearbox, transfer gear and main reducing gear, back axle etc. as the most important drive disk assembly of power train, often
Part, its torsional vibration characteristic unanimously receives much concern.Germany scientist Geiger in 1916 describes one kind in article to be ordered with its name
The mechanical torsional oscillation tester of name, indicates that torsional oscillation research enters the experimental test analysis phase, and gradually shape on this basis
Into the Analysis of Torsional Vibration method that a set of analytical Calculation and experimental test are combined, Hall thatch schedule method hereafter engendered, passed
The methods such as matrix method and Ricca are passed, calculating parameter also extend to complex field from real number field.
With developing rapidly for computer technology and sensor technology, torsional oscillation test analysis precision more and more higher, especially
The use of magnetoelectric transducer is greatly enhanced collection and analysis precision.But due to the chassis framework and practical structures thousand of each money vehicle
Differ from ten thousand not, how to design suitable torsional oscillation collection auxiliary stand system turns into the difficult point of torsional oscillation test.
The content of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of vehicular transmission shaft torsional vibration characteristic collection dress
Put.The vehicular transmission shaft torsional vibration characteristic harvester simple structure, is easily installed；It is adapted to various chassis frameworks, highly versatile.
A kind of vehicular transmission shaft torsional vibration characteristic harvester is the embodiment of the invention provides, including：Signal acquisition disk and use
In the data acquisition components of collection vehicle power transmission shaft torsional vibration signals；
There are location hole and the first mounting hole being arranged on around the location hole in the signal acquisition disk middle part, by described
Location hole inserts onto the power transmission shaft of vehicle the signal acquisition disk, and the power transmission shaft of vehicle is fixed to by the first mounting hole
On；
The disposed inboard of the signal acquisition disk has multiple axial bores, and multiple is disposed with along the signal acquisition plate edge
Radial direction side's tooth；
The opening of radial direction side's tooth or axial bore described in the signal acquisition direction perpendicular alignmnet of the data acquisition components.
Alternatively, the quantity of the axial bore is 60.
Alternatively, the quantity of radial direction side's tooth is 60.
Alternatively, the data acquisition components include：Mounting bracket and sensor；
The 3rd mounting hole and of arrangement corresponding with second mounting hole on the chassis of vehicle is provided with the mounting bracket
Four mounting holes；
The mounting bracket is mounted on the chassis of vehicle by the 3rd mounting hole；
The sensor is inserted into the 4th mounting hole.
Alternatively, the distance between center of circle of tooth top or axial bore of the sensor and radial direction side's tooth is in pre- spacing
Within.
Alternatively, the preset distance is 1mm.
Alternatively, the sensor is magnetoelectric sensor.
Alternatively, the opening of the center of circle of axial bore or radial direction side's tooth described in the iron core perpendicular alignmnet of magnetoelectric sensor.
Alternatively, the quantity of first mounting hole is four.
Alternatively, four first mounting holes are uniformly arranged on around the location hole.
Embodiments of the invention have the advantages that：
1) vehicle is adapted to many.Different automobile types chassis varies, and some axial spaces are big, and some radial directions are adapted to collection, should
Assisted acquisition device is adapted to various vehicles, makes full use of radially or axially space, it is easy to arrangement and installation；
2) the mounting bracket flexibility of the assisted acquisition device is higher.Mounting bracket can flexibly borrow chassis all directions
Bolt be fixed, it is to avoid welding manner is difficult the shortcoming recovered.
Brief description of the drawings
Fig. 1 is one of vehicular transmission shaft torsional vibration characteristic harvester schematic diagram of the embodiment of the present invention；
Fig. 2 is the two of the vehicular transmission shaft torsional vibration characteristic harvester schematic diagram of the embodiment of the present invention；
Fig. 3 is the signal acquisition disk schematic diagram of the vehicular transmission shaft torsional vibration characteristic harvester of the embodiment of the present invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Referring to Fig. 1 and Fig. 2, the vehicular transmission shaft torsional vibration characteristic harvester in the present embodiment includes：The He of signal acquisition disk 1
For the data acquisition components 2 of collection vehicle power transmission shaft torsional vibration signals.
As shown in figure 3, there are location hole and the first installation being arranged on around the location hole in the middle part of the signal acquisition disk 1
Hole, is inserted on the power transmission shaft 3 of vehicle the signal acquisition disk 1 by the location hole, is fixed to by the first mounting hole
On the power transmission shaft 3 of vehicle.
As shown in figure 3, the disposed inboard of the signal acquisition disk 1 has multiple axial bores, along the side of signal acquisition disk 1
Edge is disposed with multiple radial direction sides tooth.
The opening of radial direction side's tooth or axle are inside described in the signal acquisition direction perpendicular alignmnet of the data acquisition components 2
Hole, wherein Fig. 1 are the situation of axial bore described in the perpendicular alignmnet of the data acquisition components 2, and Fig. 2 is the data acquisition components
The situation of radial direction side's tooth opening described in 2 perpendicular alignmnets.The chassis of different automobile types varies, and some axial spaces are big, some footpaths
Big to space, the assisted acquisition device is adapted to various vehicles, can make full use of radially or axially space, can be according to need
The location arrangements for being adapted to gather are selected, and is easy to arrange and is installed.
Alternatively, the quantity of the axial bore is 60, is of course not solely limited to this.
Alternatively, the quantity of radial direction side's tooth is 60, is of course not solely limited to this.
Alternatively, the data acquisition components 2 include：Mounting bracket 21 and sensor 22.
Be provided with the mounting bracket 21 arrangement corresponding with second mounting hole on the chassis of vehicle the 3rd mounting hole and
4th mounting hole, the 3rd mounting hole described in the present embodiment and the 4th mounting hole are coaxial.
The mounting bracket 21 is mounted on the chassis of vehicle by the 3rd mounting hole, and mounting bracket can be flexible
The bolt for borrowing chassis all directions is fixed, convenient dismounting and install, it is to avoid welding manner is difficult the shortcoming recovered.
The sensor 22 is inserted into the 4th mounting hole.
Alternatively, the distance between center of circle of tooth top or axial bore of the sensor and radial direction side's tooth is in pre- spacing
Within.
Alternatively, the preset distance is 1mm, is so easy to signal collection.
Alternatively, the sensor is magnetoelectric sensor, and magnetoelectric transducer utilizes magnetoelectric induction principle, gathers magnetic conductivity
Object realizes the test of torsional oscillation with the cyclically-varying of magnetoelectric transducer air gap.
Alternatively, the opening of the center of circle of axial bore or radial direction side's tooth described in the iron core perpendicular alignmnet of magnetoelectric sensor.
Alternatively, the quantity of first mounting hole is four.
Alternatively, four first mounting holes are uniformly arranged on around the location hole.
The assisted acquisition device of the embodiment of the present invention is adapted to various vehicles, makes full use of radially or axially space,
It is easy to arrange and installs；The mounting bracket flexibility of the assisted acquisition device is higher.It is each that mounting bracket can flexibly borrow chassis
The bolt in individual direction is fixed, it is to avoid welding manner is difficult the shortcoming recovered.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of vehicular transmission shaft torsional vibration characteristic harvester, it is characterised in that including：Signal acquisition disk (1) and for gathering
The data acquisition components (2) of vehicular transmission shaft torsional vibration signals；
There are location hole and the first mounting hole being arranged on around the location hole in signal acquisition disk (1) middle part, by described
Location hole is fixed to the biography of vehicle by the first mounting hole by the signal acquisition disk (1) inserting to the power transmission shaft (3) of vehicle
On moving axis (3)；
The disposed inboard of the signal acquisition disk (1) has multiple axial bores, is disposed with along signal acquisition disk (1) edge many
Individual radial direction side's tooth；
The opening of radial direction side's tooth or axial bore described in the signal acquisition direction perpendicular alignmnet of the data acquisition components (2).
2. vehicular transmission shaft torsional vibration characteristic harvester according to claim 1, it is characterised in that the axial bore
Quantity is 60.
3. vehicular transmission shaft torsional vibration characteristic harvester according to claim 1, it is characterised in that radial direction side's tooth
Quantity is 60.
4. vehicular transmission shaft torsional vibration characteristic harvester according to claim 1, it is characterised in that the data acquisition portion
Part (2) includes：Mounting bracket (21) and sensor (22)；
The 3rd mounting hole and of arrangement corresponding with second mounting hole on the chassis of vehicle is provided with the mounting bracket (21)
Four mounting holes；
The mounting bracket (21) is mounted on the chassis of vehicle by the 3rd mounting hole；
The sensor (22) is inserted into the 4th mounting hole.
5. vehicular transmission shaft torsional vibration characteristic harvester according to claim 4, it is characterised in that the sensor and footpath
To the tooth top of square tooth or the distance between the center of circle of axial bore within preset distance.
6. vehicular transmission shaft torsional vibration characteristic harvester according to claim 5, it is characterised in that the preset distance is
1mm。
7. vehicular transmission shaft torsional vibration characteristic harvester according to claim 4, it is characterised in that the sensor is magnetic
Electric-type sensor.
8. vehicular transmission shaft torsional vibration characteristic harvester according to claim 7, it is characterised in that magnetoelectric sensor
The opening of the center of circle of axial bore or radial direction side's tooth described in iron core perpendicular alignmnet.
9. vehicular transmission shaft torsional vibration characteristic harvester according to claim 1, it is characterised in that first mounting hole
Quantity be four.
10. vehicular transmission shaft torsional vibration characteristic harvester according to claim 9, it is characterised in that four described first
Mounting hole is uniformly arranged on around the location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094548.0A CN106706114A (en) | 2017-02-21 | 2017-02-21 | Vehicle transmission shaft torsional vibration characteristic acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094548.0A CN106706114A (en) | 2017-02-21 | 2017-02-21 | Vehicle transmission shaft torsional vibration characteristic acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706114A true CN106706114A (en) | 2017-05-24 |
Family
ID=58917142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710094548.0A Pending CN106706114A (en) | 2017-02-21 | 2017-02-21 | Vehicle transmission shaft torsional vibration characteristic acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106706114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826713A (en) * | 2019-04-10 | 2019-05-31 | 广西玉柴机器股份有限公司 | Cam shaft for diesel engine signal panels |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05149782A (en) * | 1991-11-27 | 1993-06-15 | Mitsubishi Heavy Ind Ltd | Device for monitoring torsional vibration of rotating body |
| CN203275092U (en) * | 2013-04-26 | 2013-11-06 | 东风康明斯发动机有限公司 | Sampling device for measuring torsional vibration of engine shafting |
| CN105092021A (en) * | 2015-04-30 | 2015-11-25 | 浙江海洋学院 | Device and method for testing marine-shafting torsion vibration |
| CN105424968A (en) * | 2015-11-05 | 2016-03-23 | 上海应用技术学院 | Rotating speed generation device based on rotating speed test of electrical vortex sensor |
| CN105890858A (en) * | 2016-05-25 | 2016-08-24 | 哈尔滨工程大学 | Balance disc device applicable to shaft system vibration tests |
| CN106248376A (en) * | 2016-10-12 | 2016-12-21 | 北京汽车研究总院有限公司 | A kind of power transmission shaft twisting vibration detecting system and detection method |
| CN206583526U (en) * | 2017-02-21 | 2017-10-24 | 北京汽车研究总院有限公司 | A kind of vehicular transmission shaft torsional vibration characteristic harvester |
-
2017
- 2017-02-21 CN CN201710094548.0A patent/CN106706114A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05149782A (en) * | 1991-11-27 | 1993-06-15 | Mitsubishi Heavy Ind Ltd | Device for monitoring torsional vibration of rotating body |
| CN203275092U (en) * | 2013-04-26 | 2013-11-06 | 东风康明斯发动机有限公司 | Sampling device for measuring torsional vibration of engine shafting |
| CN105092021A (en) * | 2015-04-30 | 2015-11-25 | 浙江海洋学院 | Device and method for testing marine-shafting torsion vibration |
| CN105424968A (en) * | 2015-11-05 | 2016-03-23 | 上海应用技术学院 | Rotating speed generation device based on rotating speed test of electrical vortex sensor |
| CN105890858A (en) * | 2016-05-25 | 2016-08-24 | 哈尔滨工程大学 | Balance disc device applicable to shaft system vibration tests |
| CN106248376A (en) * | 2016-10-12 | 2016-12-21 | 北京汽车研究总院有限公司 | A kind of power transmission shaft twisting vibration detecting system and detection method |
| CN206583526U (en) * | 2017-02-21 | 2017-10-24 | 北京汽车研究总院有限公司 | A kind of vehicular transmission shaft torsional vibration characteristic harvester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826713A (en) * | 2019-04-10 | 2019-05-31 | 广西玉柴机器股份有限公司 | Cam shaft for diesel engine signal panels |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200415 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |