CN113063558A - Vibration test bench for automobile transmission - Google Patents
Vibration test bench for automobile transmission Download PDFInfo
- Publication number
- CN113063558A CN113063558A CN202110380833.5A CN202110380833A CN113063558A CN 113063558 A CN113063558 A CN 113063558A CN 202110380833 A CN202110380833 A CN 202110380833A CN 113063558 A CN113063558 A CN 113063558A
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- clamping
- driving motor
- platform
- arc
- vibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a vibration test bench for an automobile transmission, which comprises a driving motor, a vibration damping adjusting platform and an easily-assembled and disassembled coupling. The easy-to-assemble and disassemble coupler is used for connecting an output shaft of a driving motor with an input shaft of a tested transmission, the easy-to-assemble and disassemble coupler consists of a left half coupler and a right half coupler which are symmetrical left and right, two clamping jaws are arranged on the left half coupler, an arc-shaped clamping plate is arranged at the inner end of each clamping jaw, two clamping nails are arranged inside the arc-shaped clamping plates, and the lower parts of the clamping jaws are connected with clamping springs to clamp the output shaft of the driving motor. The driving motor is fixed on the working platform of the vibration reduction adjusting platform, the lower part of the working platform is connected with the spring damper, and the influence of the vibration of the driving motor on an experimental result is reduced through the spring damper. The lower part of the spring shock absorber is connected with the lifting platform, the lower part of the lifting platform is connected with the shear type lifting mechanism, and the shear type lifting mechanism is driven by a hydraulic cylinder to realize lifting motion, so that the output shaft of the driving motor and the input shaft of the tested transmission are aligned in height.
Description
Technical Field
The invention relates to the field of automobile transmissions, in particular to a vibration test bed for an automobile transmission.
Background
The transmission of the vehicle may cause abnormal vibration and noise in the operation of the vehicle under complicated conditions due to imperfections in the design or manufacturing process, which may seriously affect the comfort of the driver and passengers. For the above reasons, the vibration noise test of the transmission of the automobile before the automobile is shipped out of the factory has become an indispensable part of the automobile production process.
When the existing test bench is used for testing the automobile transmission, a driving motor is usually placed on a fixed working platform, and then a driving shaft of the driving motor and an input shaft of the transmission to be tested are respectively connected to two sides of a coupler; in the mode, vibration generated by the driving motor during working can be transmitted to the automobile transmission through the coupler, so that errors of a test result are caused; when the coupler is assembled, a static force press-in method is mostly adopted, the assembling method is complicated, the service lives of the coupler and the driving motor can be shortened, and the practicability is poor.
In order to solve the above problems, the applicant intends to design a vibration test stand for an automotive transmission, the function of which mainly comprises: (1) the height of the driving motor is adjusted, so that the driving shaft of the driving motor is conveniently aligned with the input shaft of the tested automobile transmission in height; (2) the vibration generated when the driving motor works can be eliminated, so that the experimental result is more accurate; (3) the installation process of the output shaft of the driving motor and the input shaft of the tested transmission on the coupler is simplified.
Disclosure of Invention
The invention aims to provide a vibration test bench for an automobile transmission, which solves the defects in the prior art by using the test bench.
The utility model provides a vibration test bench for automotive transmission, is including easily installing and removing shaft coupling, driving motor, damping adjustment platform, experimental model machine passes through easily install and remove the shaft coupling with fix damping adjustment platform top driving motor links to each other.
Further, the vibration reduction adjusting platform comprises a hydraulic cylinder, a sliding block, a shear type lifting mechanism, a lifting platform, a spring vibration absorber, a working platform, a limiting block and a base, and the easily-assembled and disassembled coupler comprises a left half coupler body, a right half coupler body, a clamping jaw, a sliding block, a clamping spring, an arc-shaped clamping plate and a clamping nail.
Furthermore, the driving motor is fixed on a working platform of the vibration reduction adjusting platform, the lower portion of the working platform is connected with the spring vibration absorber, the lower portion of the spring vibration absorber is fixed on the lifting platform, the lower portion of the lifting platform is connected with the shear type lifting mechanism, the lower portion of the shear type lifting mechanism is connected with the sliding block, and the sliding block is arranged in the first sliding groove in the bottom of the base.
Furthermore, the left half coupling and the right half coupling are connected in a bilateral symmetry mode.
Further, left side half-coupling main part in be equipped with the second spout, second spout internally mounted slider, the slider top links to each other with the clamping jaw, the inner fixedly connected with arc splint of clamping jaw, the inside two clamp nails that are equipped with of arc splint, the slider bottom links to each other with clamping spring's top, clamping spring's bottom and left half-coupling bottom fixed block are connected.
The invention has the beneficial effects that the vibration test bench of the automobile transmission provided by the invention has the main functions that: the vibration of the driving motor during operation is weakened, the accuracy of a test result is improved, the installation steps are simplified, the test efficiency is improved, and the service life of the driving motor is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a vibration testing stand according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a coupling in an embodiment of the present invention;
fig. 3 is a left side view of the coupling in an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below.
In order to facilitate understanding of the technical content of the present invention, the technical solution thereof will be further described with reference to the accompanying drawings. The terms "front", "rear", "upper", "lower", and the like used in the description of the present invention, which represent orientations, are set forth based on the relationship between the drawings for the purpose of convenience of description, and should not be construed as limiting the technical contents of the present invention. Except for clear definition, the words of matching relation such as "connect" should be understood in a broad sense and may be direct matching, indirect matching, fixed connection, detachable connection and the like, which can be understood by those skilled in the art according to the purpose of the present invention.
As shown in fig. 1, the vibration test bed of the automotive transmission in this embodiment includes hydraulic cylinders (1, 5, 7, 10), sliders (2, 4, 8, 9), limit blocks (6), scissor type lifting mechanisms (3, 12), a base (11), a lifting platform (13), spring dampers (14, 16, 18, 19), a working platform (15), a driving motor (17), a left half coupler and a right half coupler which have the same structure and are bilaterally symmetrical, wherein the right half coupler includes a right half coupler body (20), sliders (22, 31), a limit block (26), clamping jaws (21, 30), arc-shaped clamping plates (23, 29), two clamping nails (24), two clamping nails (28), and clamping springs (25, 32).
In specific implementation, when a hydraulic cylinder (1, 5, 7, 10) fixed on a base (11) of the vibration damping adjusting platform moves, the sliding block (2, 4, 8, 9) is pushed to move in a first sliding chute, the sliding block (2, 4, 8, 9) drives the scissor type lifting mechanism (3, 12) to move up and down, the lifting mechanism (3, 12) drives the lifting platform (13) to move up and down, the upper part of the lifting platform (13) is fixedly connected with the bottoms of the spring vibration dampers (14, 16, 18, 19), the top of the spring vibration dampers (14, 16, 18, 19) is fixedly connected with the bottom of the working platform (15), the lifting platform (13) drives the working platform to move up and down through the spring vibration dampers (14, 16, 18, 19), and the driving motor (17) is fixed on the working platform (15), and the output shaft of the driving motor (17) and the input shaft of the tested automobile transmission are conveniently aligned in the height direction along with the up-and-down movement of the working platform (15).
The easily-detachable coupler comprises a left half coupler and a right half coupler, the left half coupler and the right half coupler are identical in structure and are arranged in a bilateral symmetry mode, the right half coupler comprises a fixing block (27), a limiting block (26), clamping springs (25, 32), sliding blocks (22, 31), clamping jaws (21, 30), arc-shaped clamping plates (23, 29), clamping nails (24, 28) and a right half coupler body (20), the clamping jaws (21, 30) at the top of the right half coupler are vertically separated, an output shaft of a driving motor (17) is arranged at the central position of the right half coupler, the clamping springs (25, 32) drive the sliding blocks (22, 31) to move up and down, the upper parts of the sliding blocks (22, 31) are connected with the clamping jaws (21, 30), the inner ends of the clamping jaws (21, 30) are fixedly provided with the arc-shaped clamping plates (23, 29), two clamping nails (24) are arranged inside the arc-shaped clamping plates (23, two clamping nails (28) are arranged inside the arc-shaped clamping plate (29) to clamp the output shaft of the driving motor.
The clamping jaws (43 and 35) of the left half coupling are vertically separated, the input shaft of the transmission to be tested is arranged at the central position of the left half coupling, the clamping springs (39 and 38) drive the sliding blocks (42 and 34) to move up and down, the upper parts of the sliding blocks (42 and 34) are connected with the clamping jaws (43 and 35), arc-shaped clamping plates (41 and 36) are fixed at the inner ends of the clamping jaws (43 and 35), clamping nails (40, 44, 37 and 45) are arranged inside the arc-shaped clamping plates (41 and 36), and the clamping of the input shaft of the transmission to be tested is completed.
Claims (6)
1. A vibration test bench for an automotive transmission, characterized in that: the test bench includes driving motor (17), damping adjustment platform, easily installs and removes the shaft coupling, and experimental sample is fixed in easily install and remove shaft coupling one side, driving motor (17) are fixed in easily install and remove the shaft coupling opposite side, driving motor (17) with damping adjustment platform links to each other, and can follow damping adjustment platform goes up and down.
2. The vibration test stand for an automotive transmission according to claim 1, characterized in that: the vibration reduction adjusting platform comprises hydraulic cylinders (1, 5, 7 and 10), sliders (2, 4, 8 and 9), scissor type lifting mechanisms (3 and 12), a lifting platform (13), spring vibration absorbers (14, 16, 18 and 19), a working platform (15) and a base (11); the hydraulic lifting device is characterized in that a first sliding groove is formed in the base (11), hydraulic cylinders (1, 5, 7 and 10) are arranged in the first sliding groove, the bottoms of the hydraulic cylinders (1 and 10) are connected with the base (11), the bottoms of the hydraulic cylinders (5 and 7) are connected with a limiting block (6), the tops of the hydraulic cylinders (1, 5, 7 and 10) are respectively connected with sliders (2, 4, 8 and 9), the sliders (2, 4, 8 and 9) are connected with the bottoms of scissor type lifting mechanisms (3 and 12), the tops of the scissor type lifting mechanisms (3 and 12) are connected with a lifting platform (13), the tops of the lifting platform (13) are connected with spring dampers (14, 16, 18 and 19), the tops of the spring dampers (14, 16, 18 and 19) are connected with a working platform (15), and the tops of the working platform (15) are connected with a driving motor (17).
3. The easily attachable and detachable coupling according to claim 1, wherein: the right half coupling comprises a right half coupling body (20), clamping jaws (21, 30), sliding blocks (22, 31), clamping springs (25, 32), arc-shaped clamping plates (23, 29), clamping nails (24, 28), fixing blocks (27) and limiting blocks (26); the right half coupling body (20) is internally provided with a second sliding groove, the sliding blocks (22 and 31) are arranged in the second sliding groove, the sliding blocks (22 and 31) are connected with the bottoms of the clamping springs (25 and 32), the tops of the clamping springs (25 and 32) are connected with the fixing blocks (27), the sliding blocks (22 and 31) are connected with the clamping jaws (21 and 30), the inner ends of the clamping jaws (21 and 30) are provided with arc-shaped clamping plates (23 and 29), and two clamping nails are arranged on the inner surfaces of each arc-shaped clamping plate (23 and 29).
4. The easily attachable and detachable coupling according to claim 3, wherein: the left half coupling and the right half coupling are arranged in a bilateral symmetry mode.
5. The easily attachable and detachable coupling according to claim 3, wherein: the clamping jaw (43), the arc-shaped clamping plate (41) and the clamping nails (40, 44) are of an integrated structure, and the clamping jaw (35), the arc-shaped clamping plate (36) and the clamping nails (37, 45) are of an integrated structure.
6. The easily attachable and detachable coupling according to claim 3, wherein: the clamping jaw (21), the sliding block (22), the arc-shaped clamping plate (23), the clamping nail (24) and the clamping spring (25) are arranged in a vertical symmetrical mode with the clamping jaw (30), the sliding block (31), the arc-shaped clamping plate (29), the clamping nail (28) and the clamping spring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380833.5A CN113063558A (en) | 2021-04-09 | 2021-04-09 | Vibration test bench for automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380833.5A CN113063558A (en) | 2021-04-09 | 2021-04-09 | Vibration test bench for automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113063558A true CN113063558A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110380833.5A Pending CN113063558A (en) | 2021-04-09 | 2021-04-09 | Vibration test bench for automobile transmission |
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| CN (1) | CN113063558A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112263A (en) * | 2021-11-19 | 2022-03-01 | 西安航空学院 | Vibration testing device capable of adjusting automobile posture |
| CN114674556A (en) * | 2022-03-25 | 2022-06-28 | 哈尔滨理工大学 | Test device for testing vibration noise of automobile transmission |
Citations (12)
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| JPH08247381A (en) * | 1995-03-15 | 1996-09-27 | Nissan Motor Co Ltd | Test pallet for vehicle engine and test bench |
| CN202770633U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Transmission mechanism used for cold test of engine |
| JP2016070895A (en) * | 2014-10-02 | 2016-05-09 | 東洋電機製造株式会社 | Bench test machine for transmission |
| CN206038309U (en) * | 2016-08-23 | 2017-03-22 | 吉林大学 | Real turning mold plans vibration test platform to different specification transmission shafts |
| CN106695667A (en) * | 2015-11-13 | 2017-05-24 | 中国科学院沈阳自动化研究所 | Automatic Intermediate shaft component assembling unit oriented to heavy truck transmission |
| CN206626332U (en) * | 2017-04-14 | 2017-11-10 | 常州工程职业技术学院 | A kind of textile machine support meanss |
| CN206906022U (en) * | 2017-06-15 | 2018-01-19 | 姜英柱 | A kind of Manual gearshift case test stand |
| CN207408098U (en) * | 2017-09-19 | 2018-05-25 | 湖南长庆机电科教有限公司 | Comprehensive experiment platform for gear transmission strength design |
| CN108106820A (en) * | 2016-11-25 | 2018-06-01 | 哈尔滨理工大学 | A kind of multi-state spot-type disc brake multi-function test stand |
| CN208283070U (en) * | 2018-06-14 | 2018-12-25 | 如皋市非标轴承有限公司 | A kind of bearing detecting device |
| CN110082679A (en) * | 2019-05-29 | 2019-08-02 | 安徽工程大学 | A kind of electric machine experiment apparatus and its application method |
| CN212621449U (en) * | 2020-08-07 | 2021-02-26 | 章丘市华春机械配件有限公司 | Detection clamping structure for working condition of quincunx elastic coupling |
-
2021
- 2021-04-09 CN CN202110380833.5A patent/CN113063558A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247381A (en) * | 1995-03-15 | 1996-09-27 | Nissan Motor Co Ltd | Test pallet for vehicle engine and test bench |
| CN202770633U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Transmission mechanism used for cold test of engine |
| JP2016070895A (en) * | 2014-10-02 | 2016-05-09 | 東洋電機製造株式会社 | Bench test machine for transmission |
| CN106695667A (en) * | 2015-11-13 | 2017-05-24 | 中国科学院沈阳自动化研究所 | Automatic Intermediate shaft component assembling unit oriented to heavy truck transmission |
| CN206038309U (en) * | 2016-08-23 | 2017-03-22 | 吉林大学 | Real turning mold plans vibration test platform to different specification transmission shafts |
| CN108106820A (en) * | 2016-11-25 | 2018-06-01 | 哈尔滨理工大学 | A kind of multi-state spot-type disc brake multi-function test stand |
| CN206626332U (en) * | 2017-04-14 | 2017-11-10 | 常州工程职业技术学院 | A kind of textile machine support meanss |
| CN206906022U (en) * | 2017-06-15 | 2018-01-19 | 姜英柱 | A kind of Manual gearshift case test stand |
| CN207408098U (en) * | 2017-09-19 | 2018-05-25 | 湖南长庆机电科教有限公司 | Comprehensive experiment platform for gear transmission strength design |
| CN208283070U (en) * | 2018-06-14 | 2018-12-25 | 如皋市非标轴承有限公司 | A kind of bearing detecting device |
| CN110082679A (en) * | 2019-05-29 | 2019-08-02 | 安徽工程大学 | A kind of electric machine experiment apparatus and its application method |
| CN212621449U (en) * | 2020-08-07 | 2021-02-26 | 章丘市华春机械配件有限公司 | Detection clamping structure for working condition of quincunx elastic coupling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112263A (en) * | 2021-11-19 | 2022-03-01 | 西安航空学院 | Vibration testing device capable of adjusting automobile posture |
| CN114112263B (en) * | 2021-11-19 | 2023-08-04 | 西安航空学院 | Vibration testing device capable of adjusting automobile posture |
| CN114674556A (en) * | 2022-03-25 | 2022-06-28 | 哈尔滨理工大学 | Test device for testing vibration noise of automobile transmission |
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Application publication date: 20210702 |