CN203758713U - Vibration testing stand and amplitude adding mechanism thereof - Google Patents
Vibration testing stand and amplitude adding mechanism thereof Download PDFInfo
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- CN203758713U CN203758713U CN201420132950.5U CN201420132950U CN203758713U CN 203758713 U CN203758713 U CN 203758713U CN 201420132950 U CN201420132950 U CN 201420132950U CN 203758713 U CN203758713 U CN 203758713U
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- vibration
- fixed head
- jia zhen
- eccentric wheel
- amplitude
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Abstract
The utility model provides a vibration testing stand and an amplitude adding mechanism thereof. The vibration testing stand comprises the amplitude adding mechanism, a rotating shaft connected with the amplitude adding mechanism, a power mechanism connected with the rotating shaft, and a movable workbench used for connecting and fixing a test component, wherein the amplitude adding mechanism is contacted with the test component. The amplitude adding mechanism is driven by the power mechanism to rotate and vibrate at the same time, so as to perform a vibration test on the test component which is installed on the movable workbench, in addition, by adjusting an amplitude and a vibration frequency of the amplitude adding mechanism, an amplitude and a vibration frequency of the vibration testing stand can be adjusted, so as to meet different test requirements.
Description
Technical field
The utility model relates to car test bench technical field, particularly a kind of vibration table and Jia Zhen mechanism thereof.
Background technology
For the unfavorable condition of automobile chassis suspension hardware being carried out to the parsing of highly effective and safe, thereby import suspended vibration experimental bench system.According to testing requirements, this vibration table system amplitude need to be simple and easy adjustable in scope of design.In conventional art, generally in vibration table system, adopt hydraulic cylinder structure to meet vibration test demand, but this scheme cost is higher, structure is more complicated also.
Summary of the invention
Based on this, the utility model is to solve the above-mentioned higher problem of vibration table complex structure cost, and a kind of vibration table and Jia Zhen mechanism thereof are provided.
The utility model proposes a kind of Jia Zhen mechanism, its technical scheme is as follows:
One Jia Zhen mechanism, comprises fast pulley, and with the eccentric wheel that described fast pulley is installed together, described eccentric wheel is provided with Long Circle axis hole, in described axis hole, coordinates at least one circular arc regulating block is installed.
Gai Jiazhen mechanism is eccentric mechanism, and this eccentric mechanism is mainly made up of fast pulley, eccentric wheel and regulating block.By increasing or reduce the regulating block quantity in Long Circle axis hole, and the eccentric stroke of increase or minimizing eccentric mechanism, when eccentric wheel is rotated, vibration amplitude changes.
Below further technical scheme is described:
Preferably, described regulating block is installed on one end of described Long Circle axis hole.Can regulating block be installed in eccentric Long Circle axis hole one end and change eccentric eccentric stroke, to meet different amplitude requirements.
Preferably, be installed on the two ends of described Long Circle axis hole more than the described regulating block of.Can regulating block be installed respectively at the two ends of eccentric Long Circle axis hole and change eccentric eccentric stroke, to meet different amplitude requirements.
The utility model also proposes a kind of vibration table, and its technical scheme is as follows:
A kind of vibration table, comprise above-mentioned Jia Zhen mechanism, with the rotation axis that described Jia Zhen mechanism is connected, the actuating unit being connected with described rotation axis, and for being connected and fixed the travelling table of test parts, described Jia Zhen of while mechanism contacts with test parts.
Jia Zhen mechanism is under the drive of actuating unit, when rotating, produce vibration, thereby the parts that need to carry out vibration test are vibrated, by regulating position and the quantity of the regulating block of installing on the eccentric wheel of Jia Zhen mechanism, can adjust the amplitude of vibration table, to meet testing requirements.
Below further technical scheme is described:
Preferably, described actuating unit comprises servomotor, and the speed reduction unit being connected with described servomotor, and described speed reduction unit is connected with described rotation axis.By servomotor and speed reduction unit, can accurately control rotation axis rotating speed, thereby can control the vibration frequency of the Jia Zhen mechanism being connected with rotation axis, to meet different test demands.
Preferably, also comprise mount pad, described Jia Zhen mechanism and travelling table are installed on described mount pad.Associated mechanisms is all installed on mount pad, makes test platform structure compacter, test more convenient.
Preferably, described travelling table comprises fixed head, is arranged on the stationary fixture on described fixed head vertical direction, the elevating mechanism being connected with described stationary fixture, and the horizontal drive mechanism being connected with described fixed head.Test parts are arranged on stationary fixture, by the elevating mechanism being connected with stationary fixture, can in the vertical direction adjust the position of stationary fixture, by the horizontal drive mechanism being connected with fixed head, can adjust in the horizontal direction the position of stationary fixture, thereby make stationary fixture can adapt to the test demand of the test parts of different size size.
Preferably, on described fixed head vertical direction, be provided with chute, be provided with the protrusion slide rail coordinating with described chute on described stationary fixture, described fixed head bottom is also provided with the slide rail coordinating with described mount pad.Particularly, by the slide rail chute between stationary fixture and fixed head, and slide rail chute between fixed head and mount pad coordinates, and the movement under the effect of driver part in implementation space, to realize the adjustment function of travelling table.
The utlity model has following outstanding advantage:
1, the project organization of testing table is simple and easy, and it is convenient to assemble;
2, conveniently, reliability is high for the amplitude of testing table, frequency adjustment;
3, the cost of testing table is low compared with conventional cylinder formula shaking table.
Brief description of the drawings
Fig. 1 is that the three-dimensional axle of vibration table measures intention described in the utility model embodiment;
Fig. 2 is the main cross-sectional schematic of vibration table described in the utility model embodiment;
Fig. 3 is that schematic diagram is looked on the right side of vibration table described in the utility model embodiment;
Fig. 4 is that schematic diagram is looked on a left side for vibration table described in the utility model embodiment;
Fig. 5 is the partial schematic sectional view of vibration table described in the utility model embodiment;
Fig. 6 is the actuating unit schematic diagram of vibration table described in the utility model embodiment;
Fig. 7 is the Jia Zhen mechanism partial schematic sectional view of vibration table described in the utility model embodiment;
Fig. 8 is that the three-dimensional axle of the fast pulley of the Jia Zhen mechanism of vibration table described in the utility model embodiment measures intention;
Fig. 9 is that the eccentric wheel master of vibration table Jia Zhen mechanism looks schematic diagram described in the utility model embodiment;
Figure 10 is that the three-dimensional axle of the eccentric wheel of vibration table Jia Zhen mechanism described in the utility model embodiment measures intention;
Figure 11 is that the regulating block master of vibration table Jia Zhen mechanism looks schematic diagram described in the utility model embodiment.
Description of reference numerals: 100-mount pad, 200-Jia Zhen mechanism, 210-fast pulley, 212-fast pulley pilot hole, 220-eccentric wheel, 221-axis hole, 222-eccentric wheel gathering sill, 223-lightening grooves, 230-regulating block, 232-regulating block mounting hole, 240-angle sheave, 300-tests parts, 310-tire, 320-suspension, 400-travelling table, 410-fixed head, 420-stationary fixture, 430-elevating mechanism, 440-horizontal drive mechanism, 510-servomotor, 520-belt pulley, 530-speed reduction unit, 540-shaft coupling, 550-rotation axis, 560-flywheel mechanism, 570-bearing assembly, 580-protective cover.
Embodiment
Below embodiment of the present utility model is elaborated:
As shown in Figures 1 to 9, in the present embodiment, the utility model provides a kind of vibration table, comprise Jia Zhen mechanism 200, the rotation axis 550 being connected with Jia Zhen mechanism 200, the actuating unit being connected with rotation axis 550, and travelling table 400, test parts 300 simultaneously that be connected with travelling table 400 and Jia Zhen mechanism 200.Jia Zhen mechanism 200 is under the drive of actuating unit, when rotating, produce vibration, thereby the test parts 300 that are arranged on travelling table 400 are carried out to vibration test, by regulating amplitude and the vibration frequency of Jia Zhen mechanism 200, can adjust the amplitude of vibration table and vibration frequency, to meet different testing requirementss.
As shown in Figures 1 to 5, this vibration table also comprises mount pad 100, and Jia Zhen mechanism 200, travelling table 400 and actuating unit etc. all can be arranged on mount pad 100.Associated mechanisms is all installed on mount pad 100, makes test platform structure compacter, test more convenient.These mount pad 100 main bodys are middle support frame, are provided with mounting platform above, for above-mentioned apparatus structure is installed, are provided with mounting base below, can be fixedly connected with ground, and whole testing table is not fixed can be moved easily.
As shown in Fig. 7 to Figure 11, be arranged on Jia Zhen mechanism 200 on one side on above-mentioned mount pad 100, it comprises fast pulley 210, the angle sheave 240 being installed together with fast pulley 210, and being arranged on the eccentric wheel 220 on angle sheave 240, described fast pulley 210, angle sheave 240 and eccentric wheel 220 are installed on rotation axis 550.This eccentric wheel 220 is provided with Long Circle axis hole 221, in this axis hole 221, coordinates at least one circular arc regulating block 230 is installed, and installs after regulating block 230 in axis hole 221, and rotation axis 550 can be connected cooperation with eccentric wheel 220.Gai Jiazhen mechanism 200 is an eccentric mechanism, and this eccentric mechanism is mainly made up of fast pulley 210, eccentric wheel 220 and regulating block 230.By increasing or reduce regulating block 230 quantity in Long Circle axis hole 221, and the eccentric stroke of increase or minimizing eccentric mechanism, when eccentric wheel 220 is rotated under the drive of rotation axis 550, the vibration amplitude of eccentric wheel 220 changes.
Generally, above-mentioned regulating block 230 quantity are more than one.Multiple regulating blocks 230 are circular-arc, are installed togather, and all can be installed on one end of eccentric wheel Long Circle axis hole 221, form an orbicular axis hole, and eccentric wheel 220 and rotation axis 550 are closely connected by axis hole.Can regulating block 230 be installed in Long Circle axis hole one end of eccentric wheel 220 and change eccentric eccentric stroke, to meet different amplitude requirements.In addition, quantity can be installed on respectively the two ends of Long Circle axis hole 221 more than the regulating block 230 of.Can regulating block 230 be installed respectively at the two ends of the Long Circle axis hole 221 of eccentric wheel 220 and change eccentric eccentric stroke, to meet different amplitude requirements.The shape of multiple regulating blocks 230 can manufacture and design according to specific circumstances, and while making to be finally installed in the Long Circle axis hole 221 of eccentric wheel 220, axis hole and rotation axis 550 can closely cooperate, and make rotation axis 550 can be with movable eccentric wheel 220 normal rotation.This regulating block 230 is arc, and all offers regulating block mounting hole 232 in the middle part of regulating block 230, and bolt easy to use just regulating block 230 installations is fixed.
Above-mentioned eccentric wheel 220 is larger, can directly be connected with test parts 300.This eccentric wheel 220 is except the Long Circle axis hole 221 that centre is offered, near the surrounding of axis hole 221, be also provided with multiple eccentric wheel gathering sills 222, and on fast pulley 210 also correspondence be provided with multiple fast pulley pilot holes 212, by being arranged on the angle sheave 240 in the middle of fast pulley and eccentric wheel, use guide blot that fast pulley pilot hole 212 and eccentric wheel gathering sill 222 are linked together, thereby fast pulley 210 and eccentric wheel 220 are fixed together.The gathering sill arranging on eccentric wheel 220 is conducive to, in the time of the degree of eccentricity of eccentric adjustment wheel, can regulate easily the installation site with fast pulley 210.In addition, the submarginal position of eccentric wheel 220 is also provided with lightening grooves 223, can change eccentric centre of gravity place.Near the periphery of fast pulley 210, be also provided with pilot hole, position installation by screw etc.After above-mentioned eccentric wheel 220, fast pulley 210 etc. is installed on rotation axis 550, its support fixed by bearing assembly 570 at the two ends of rotation axis 550, thereby then by protective cover 580, these mechanisms are covered and protected.
The travelling table 400 that is arranged on opposite side on mount pad 100, it comprises fixed head 410, is arranged on the stationary fixture 420 on fixed head, and the elevating mechanism 430 being connected with stationary fixture 420, test parts 300 are arranged on stationary fixture 420.Test parts 300 herein comprise tire 310, and the suspension 320 being connected with tire, tire 310 contacts with eccentric wheel 220, the shuttle belt driving wheel tire 310 of eccentric wheel 220 vibrates, can simulate the jolt situation of tire 310 while travelling on road surface, the vibration performance of testing the suspension 320 being connected with tire 310 with this, so just can be in testing laboratory and need on real road surface, not test the durable adaptability of vibration that just can detect suspension 320, convenient and simple.Particularly, travelling table 400 comprises a fixed head 410, and these fixed head 410 main bodys are L-shaped, and it has perpendicular to the vertical portion of mount pad and the horizontal component parallel with mount pad, and its vertical portion and horizontal component are directly provided with gusset, for reinforcing fixed head.In these fixed head 410 vertical portions, offer vertical chute, on stationary fixture 420, there is the vertical slideway of protrusion, can coordinate to slide in chute with the chute in fixed head 410 vertical portions, change the position of stationary fixture 420 by a upgrading mechanism 430 being connected with stationary fixture 420 is set at vertical direction; Under the horizontal component of fixed head 410, be also provided with horizontal slide, and travelling table 400 is directly installed on the installing plate of horizontal position, this installing plate is arranged on mount pad, and on installing plate, offer horizontal concrete chute, the horizontal slide of fixed head 410 coordinates with installing plate horizontal concrete chute, the horizontal drive mechanism 440 being connected with fixed head 410 in addition in addition, can drive fixed head 410 to move in the horizontal direction, can move in the horizontal direction the stationary fixture 420 being connected with fixed head 410.Therefore,, by moving stationary fixture 420 at vertical direction and horizontal direction, the suspension that can make stationary fixture 420 that different size model can be installed carries out testing experiment.
As shown in Figure 6, the actuating unit being connected with rotation axis comprises servomotor 510, be connected belt pulley 520 with servomotor 510 output shafts, by belt, the belt pulley of the other end 520 is linked together, this belt pulley 520 is connected with speed reduction unit 530 by input shaft, this speed reduction unit 530 is connected with rotation axis 550 by shaft coupling 540, thereby provides power for Jia Zhen mechanism 200.By servomotor 510 and speed reduction unit 530, can accurately control rotation axis 550 rotating speeds, thereby can control the vibration frequency of the Jia Zhen mechanism 200 being connected with rotation axis 550, to meet different test demands.In addition, be equiped with flywheel mechanism 560 in one end of rotation axis 550, there is suitable moment of inertia, play storage and discharge kinetic energy, make mechanical operation steady.
In a word, according to test program requirement, this vibration table can meet the following conditions: amplitude is adjustable within the scope of 0-100mm, degree of regulation 5mm; Vibration velocity is adjustable within the scope of 0-0.9m/s; Can meet 2,000,000 durable vibration test requirements.In order to realize test demand, the utility model design eccentric wheel Jia Zhen mechanism, this mechanism's power source is servomotor, vibration action realizes by eccentric mechanism.And, by regulating motor speed, can make the convenient adjusting of vibration frequency.The vibration start of Gai Jiazhen mechanism realizes by eccentric mechanism, designs special construction in eccentric wheel, changes degree of eccentricity by the mode that regulating block is installed in eccentric wheel, thereby realizes the object that changes vibration amplitude.This structural design is simple, can require quick adjusting amplitude according to different tests.This eccentric mechanism can be used for automobile chassis parts vibration table, detects the durable adaptability of vibration of part.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. a Zhong Jiazhen mechanism, is characterized in that, comprises fast pulley, and with the eccentric wheel that described fast pulley is installed together, described eccentric wheel is provided with Long Circle axis hole, in described axis hole, coordinates at least one circular arc regulating block is installed.
2. Jia Zhen according to claim 1 mechanism, is characterized in that, described regulating block is installed on one end of described Long Circle axis hole.
3. Jia Zhen according to claim 1 mechanism, is characterized in that, is installed on the two ends of described Long Circle axis hole more than the described regulating block of.
4. a vibration table, it is characterized in that, comprise the Jia Zhen mechanism as described in claim 1-3 any one, the rotation axis being connected with described Jia Zhen mechanism, the actuating unit being connected with described rotation axis, and for being connected and fixed the travelling table of test parts, described Jia Zhen of while mechanism contacts with test parts.
5. vibration table according to claim 4, is characterized in that, described actuating unit comprises servomotor, and the speed reduction unit being connected with described servomotor, and described speed reduction unit is connected with described rotation axis.
6. vibration table according to claim 4, is characterized in that, also comprises mount pad, and described Jia Zhen mechanism and travelling table are installed on described mount pad.
7. vibration table according to claim 4, it is characterized in that, described travelling table comprises fixed head, is arranged on the stationary fixture on described fixed head vertical direction, the elevating mechanism being connected with described stationary fixture, and the horizontal drive mechanism being connected with described fixed head.
8. vibration table according to claim 7, it is characterized in that, on described fixed head vertical direction, be provided with chute, be provided with the protrusion slide rail coordinating with described chute on described stationary fixture, described fixed head bottom is also provided with the slide rail coordinating with described mount pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132950.5U CN203758713U (en) | 2014-03-21 | 2014-03-21 | Vibration testing stand and amplitude adding mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132950.5U CN203758713U (en) | 2014-03-21 | 2014-03-21 | Vibration testing stand and amplitude adding mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758713U true CN203758713U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132950.5U Expired - Fee Related CN203758713U (en) | 2014-03-21 | 2014-03-21 | Vibration testing stand and amplitude adding mechanism thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913895A (en) * | 2015-06-23 | 2015-09-16 | 哈尔滨工程大学 | Waveform-variable automatic impact device for modal test |
| CN105806633A (en) * | 2016-05-13 | 2016-07-27 | 北京理工大学 | Road simulation testbed for wheel |
| CN108548911A (en) * | 2018-04-19 | 2018-09-18 | 铜陵学院 | A kind of sandy soil earthquake liquefaction experimental rig |
| CN109253853A (en) * | 2018-09-29 | 2019-01-22 | 南宁学院 | A kind of agricultural electromechanical equipment vibration check test platform |
| CN109596300A (en) * | 2018-12-26 | 2019-04-09 | 广东省新材料研究所 | A kind of impact test apparatus |
| CN113125163A (en) * | 2020-01-15 | 2021-07-16 | 本田技研工业株式会社 | Vibration adding device |
| CN113607361A (en) * | 2021-06-22 | 2021-11-05 | 芜湖东光大华机械制造有限公司 | Vibration resistance testing process for combined flexible flywheel |
-
2014
- 2014-03-21 CN CN201420132950.5U patent/CN203758713U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913895A (en) * | 2015-06-23 | 2015-09-16 | 哈尔滨工程大学 | Waveform-variable automatic impact device for modal test |
| CN104913895B (en) * | 2015-06-23 | 2017-08-04 | 哈尔滨工程大学 | A kind of mould measurement Variable Waveform automatic percussion device |
| CN105806633A (en) * | 2016-05-13 | 2016-07-27 | 北京理工大学 | Road simulation testbed for wheel |
| CN108548911A (en) * | 2018-04-19 | 2018-09-18 | 铜陵学院 | A kind of sandy soil earthquake liquefaction experimental rig |
| CN109253853A (en) * | 2018-09-29 | 2019-01-22 | 南宁学院 | A kind of agricultural electromechanical equipment vibration check test platform |
| CN109596300A (en) * | 2018-12-26 | 2019-04-09 | 广东省新材料研究所 | A kind of impact test apparatus |
| CN113125163A (en) * | 2020-01-15 | 2021-07-16 | 本田技研工业株式会社 | Vibration adding device |
| CN113607361A (en) * | 2021-06-22 | 2021-11-05 | 芜湖东光大华机械制造有限公司 | Vibration resistance testing process for combined flexible flywheel |
| CN113607361B (en) * | 2021-06-22 | 2024-04-16 | 芜湖东光大华机械制造有限公司 | Combined flexible flywheel vibration resistance testing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |