CN204535942U - A kind of Vehicle Suspension Vibration testing table - Google Patents
A kind of Vehicle Suspension Vibration testing table Download PDFInfo
- Publication number
- CN204535942U CN204535942U CN201420845190.2U CN201420845190U CN204535942U CN 204535942 U CN204535942 U CN 204535942U CN 201420845190 U CN201420845190 U CN 201420845190U CN 204535942 U CN204535942 U CN 204535942U
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- China
- Prior art keywords
- bearing plate
- excentric shaft
- vehicle suspension
- testing table
- suspension vibration
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of Vehicle Suspension Vibration testing table, comprise for fixing base plate on the table, the each corner in base plate upper surface is equipped with column, column is slidably fitted with bearing plate, lower bearing plate, the upper surface of upper bearing plate is provided with the balancing weight that polylith laminates mutually, vibroshock is provided with between upper bearing plate and lower bearing plate, also be provided with displacement transducer between the upper bearing plate of vibroshock side and lower bearing plate, the lower bearing plate upper surface wherein outside displacement transducer is also provided with speed pickup; The lower surface of lower bearing plate is provided with motion coulisse, motion coulisse is provided with horizontal chute, run through in chute and have excentric shaft vertical with it, excentric shaft two ends are rotated and are installed in excentric shaft housing, excentric shaft housing is fixed on base plate, and excentric shaft one end is connected through excentric shaft housing and outside stepper motor output shaft.The utility model can Validity Test automobile suspension system vibration performance, improves accuracy and the reliability of vibration-testing.
Description
Technical field:
The utility model relates to automotive suspension research and development and checkout equipment technical field, particularly relates to a kind of Vehicle Suspension Vibration testing table.
Background technology:
Vibration table: be a kind of be to manufacture for analog equipment, assembling transport and to use in the execute phase faced by various environment, in order to identify whether product stands the ability of ambient vibration.Be widely used in the research of all trades and professions such as electronics, electromechanics, photoelectricity, locomotive, toy, exploitation, QC, manufacture.
Vehicle Suspension Vibration testing table is then be specifically designed to the platform detecting Vehicle Suspension Vibration performance.The performance parameter of suspension has important meaning in entire vehicle design, affects comfortableness and the security of car steering.Vehicle Suspension Vibration testing table is many to be made up of mechanical hook-up, propulsion system and signal pickup assembly, driven and make suspension up-down vibration, thus collection signal analyzes suspension property by motor.
In existing technology, Vehicle Suspension Vibration testing table propulsion system are positioned on vibration table base plate, and the vibration that propulsion system self produce easily has an impact to suspension vibration result, and according to different automobile types feature, suspension weight is not identical, and in test, inaccurate counterweight also can impact analysis result.Meanwhile, real vehicle suspension vibration testing table is surveyed for passive suspension, lacks to develop device to automotive semi-active suspension.
In sum, how to improve the reliability of Vehicle Suspension Vibration platform test figure, the electronic closed loop how simultaneously introducing semi-active suspension research in suspension vibration testing table controls to become those skilled in the art's letter problem to be solved.
Utility model content:
In order to make up prior art problem, the purpose of this utility model is to provide a kind of Vehicle Suspension Vibration testing table, reliability and the accuracy of test bed testing data can be guaranteed, simultaneously, by installing the magneto-rheological vibration damper that in semi-active suspension system, damping is adjustable, the vibration performance of semi-active suspension can also be studied in conjunction with electronic-controlled installation.
The technical solution of the utility model is as follows:
Vehicle Suspension Vibration testing table, it is characterized in that: comprise for fixing base plate on the table, the each corner in base plate upper surface is equipped with column, column is slidably fitted with spaced upper bearing plate, lower bearing plate, the upper surface of upper bearing plate is provided with the balancing weight that polylith laminates mutually, vibroshock is provided with between upper bearing plate and lower bearing plate, also be provided with displacement transducer between the upper bearing plate of vibroshock side and lower bearing plate, the lower bearing plate upper surface wherein outside displacement transducer and lower bearing plate tie point is also provided with speed pickup; The lower surface of lower bearing plate is provided with motion coulisse, motion coulisse is provided with horizontal chute, run through in chute and have excentric shaft vertical with it, excentric shaft two ends are rotated and are installed in excentric shaft housing, excentric shaft housing is fixed on base plate, and wherein excentric shaft one end is connected through excentric shaft housing and outside stepper motor output shaft.
Described Vehicle Suspension Vibration testing table, is characterized in that: the base plate outside described column is provided with it the back up pad of dihedral one to one, and back up pad madial wall is provided with fixed head, and column is fixed through fixed head and back up pad.
Described Vehicle Suspension Vibration testing table, is characterized in that: the lower end of described column is fixed on base plate by flange.
Described Vehicle Suspension Vibration testing table, is characterized in that: the two ends of described upper bearing plate opposing end surface and the two ends of lower bearing plate opposing end surface are all provided with slide block, and skid is set on column.
Described Vehicle Suspension Vibration testing table, it is characterized in that: described vibroshock upper and lower side is respectively equipped with upper spring seat, lower spring cup, upper spring seat, lower spring cup are fixed on the lower surface of upper bearing plate, the upper surface of lower bearing plate respectively by upper junction plate, lower connecting plate, are also provided with the spring be set in outside vibroshock between upper spring seat, lower spring cup.
Described Vehicle Suspension Vibration testing table, it is characterized in that: described displacement transducer adopts differential transformer displace￣ ment transducer, the movable end of differential transformer displace￣ ment transducer and the lower connecting plate upper surface of lower bearing plate upper surface are fixed, and the upper junction plate of upper end and upper bearing plate lower surface is fixed.
Described Vehicle Suspension Vibration testing table, is characterized in that: described displacement transducer, speed pickup, stepper motor are all connected with PC.
Described Vehicle Suspension Vibration testing table, is characterized in that: described excentric shaft housing comprises excentric shaft upper shell and excentric shaft lower house is formed.
Described Vehicle Suspension Vibration testing table, is characterized in that: described motion coulisse adopts split type, fixedly forms by upper grid is relative with downslide frid.
Described Vehicle Suspension Vibration testing table, is characterized in that: described vibroshock can be replaced the MR damper measuring semi-active suspension vibration.
The utility model has the advantages that:
1, the utility model can Validity Test automobile suspension system vibration performance, improves accuracy and the reliability of vibration-testing.
2, the utility model can effectively for the electronic closed loop of semi-active suspension controls to provide vibration table.
3, the utility model is for enterprise, colleges and universities in Vehicle Suspension Vibration research, provides a set of practical, Vehicle Suspension Vibration testing table of being easy to processing and use.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is stereographic map of the present utility model.
Fig. 3 is the partial enlarged drawing of the utility model excentric shaft installation position.
Fig. 4 is the structural representation of motion coulisse of the present utility model, is left view or the right view of Fig. 3.
Embodiment:
See accompanying drawing:
Vehicle Suspension Vibration testing table, comprise for fixing base plate 1 on the table, the each corner in base plate 1 upper surface is equipped with column 2, column 2 is slidably fitted with spaced upper bearing plate 3, lower bearing plate 4, the upper surface of upper bearing plate 3 is provided with the balancing weight 5 that polylith laminates mutually, vibroshock 6 is provided with between upper bearing plate 3 and lower bearing plate 4, also be provided with displacement transducer 7 between the upper bearing plate 3 of vibroshock 6 side and lower bearing plate 4, wherein displacement transducer 7 is also provided with speed pickup 8 with lower bearing plate 4 upper surface outside lower bearing plate 4 tie point; The lower surface of lower bearing plate 4 is provided with motion coulisse 9, motion coulisse 9 is provided with horizontal chute 10, run through in chute 10 and have excentric shaft 11 vertical with it, excentric shaft 11 two ends are rotated and are installed in excentric shaft housing 12, excentric shaft housing 12 is fixed on base plate 1, and wherein excentric shaft 11 one end is connected through excentric shaft housing 12 and outside stepper motor output shaft 13.
Base plate outside column 2 is provided with it the back up pad 14 of dihedral one to one, and back up pad 14 madial wall is provided with fixed head 15, and column 2 is fixed through fixed head 15 and back up pad 14.
The lower end of column 2 is fixed on base plate 1 by flange 16.
The two ends of upper bearing plate 3 opposing end surface and the two ends of lower bearing plate 4 opposing end surface are all provided with slide block 17, and slide block 17 slip cap is loaded on column 2.
Vibroshock 6 upper and lower side is respectively equipped with upper spring seat 18, lower spring cup 19, upper spring seat 18, lower spring cup 19 are fixed on the lower surface of upper bearing plate 3, the upper surface of lower bearing plate 4 respectively by upper junction plate 20, lower connecting plate 21, are also provided with the spring 22 be set in outside vibroshock 9 between upper spring seat 18, lower spring cup 19.
Displacement transducer 7 adopts differential transformer displace￣ ment transducer, and the movable end of differential transformer displace￣ ment transducer and lower connecting plate 21 upper surface of lower bearing plate 4 upper surface are fixed, and the upper junction plate 20 of upper end and upper bearing plate 3 lower surface is fixed.
Displacement transducer 7, speed pickup 8, stepper motor 23 are all connected with PC.
Excentric shaft housing 12 comprises excentric shaft upper shell 12-1 and excentric shaft 12-2 lower house is formed.
Motion coulisse 9 adopts split type, fixedly forms by upper grid 9-1 is relative with downslide frid 9-2.
Vibroshock 9 can be replaced the MR damper measuring semi-active suspension vibration.
In fact the present invention comprises frame mounting, propulsion system, suspension analogue means and electric control gear:
Frame mounting: comprise base plate 1, column 2 and upper bearing plate 3, lower bearing plate 4.Base plate 1, as basis of the present utility model, is fixed in the iron-founder's station of test site; Column 2 adopts flange 16 to be fixed on base plate 1; Upper bearing plate 3, lower bearing plate 4 are slidably connected by slide block 17 and column 2, vertically can do reciprocal linear vibration.
Propulsion system: comprise excentric shaft 12, motion coulisse 9 and base.Base is fixed on base plate 1; Excentric shaft 11 is connected with stepper motor 23 by shaft coupling, obtains power; Excentric shaft housing 12 is arranged on base, and excentric shaft 11 is arranged in excentric shaft housing 12 by bearing; During motion, eccentric body shaft part revolves round the sun along own axes, drives chute 10 to be the to-and-fro movement of horizontal and vertical directions by convert rotational motion.In horizontal direction, excentric shaft 11 can along left and right horizontal reciprocating movement in chute 10, actuation movement coulisse 9 up-down vibration in vertical direction; Stepper motor 23 is positioned at the utility model outside, and its vibration is less on experimental test impact; Excentric shaft 11 inputs as system for vibration of the present utility model provides sinusoidal waveform to encourage.
Suspension analogue means: comprise upper spring seat 18, lower spring cup 19, web joint 20, lower connecting plate 21, balancing weight 5, vibration damper 6 and spring 22.Wherein, suspension weight can according to different automobile types, and adjustment balancing weight weight carries out real vehicle simulation.Vibration damper 9 can adopt without model as required.MR damper can be adopted for semi-active suspension.
Electric control gear part: comprise displacement transducer 7 and speed pickup 8, scrambler, PC, stepper motor 23.Displacement transducer 7 can select differential transformer displace￣ ment transducer, fixes with lower connecting plate 21 upper surface of lower bearing plate 4 upper surface, and the upper junction plate 20 of upper end and upper bearing plate 3 lower surface is fixed, and realizes stretching motion.Displacement transducer 7 is all easy for installation with speed pickup 8, and not by external interference in test process, data are reliable, ensure measuring accuracy.The control system of PC, to collecting sensor signal, coding, process, sends driving pulse sequence to stepper motor 23, controls motor speed.Electric control gear can be used for studying the adjustable semi-active suspension vibration performance of damping.
The utility model it is to be noted; for those skilled in the art; do not departing under prerequisite of the present utility model, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a Vehicle Suspension Vibration testing table, it is characterized in that: comprise for fixing base plate on the table, the each corner in base plate upper surface is equipped with column, column is slidably fitted with spaced upper bearing plate, lower bearing plate, the upper surface of upper bearing plate is provided with the balancing weight that polylith laminates mutually, vibroshock is provided with between upper bearing plate and lower bearing plate, also be provided with displacement transducer between the upper bearing plate of vibroshock side and lower bearing plate, the lower bearing plate upper surface wherein outside displacement transducer and lower bearing plate tie point is also provided with speed pickup; The lower surface of lower bearing plate is provided with motion coulisse, motion coulisse is provided with horizontal chute, run through in chute and have excentric shaft vertical with it, excentric shaft two ends are rotated and are installed in excentric shaft housing, excentric shaft housing is fixed on base plate, and wherein excentric shaft one end is connected through excentric shaft housing and outside stepper motor output shaft.
2. Vehicle Suspension Vibration testing table according to claim 1, it is characterized in that: the base plate outside described column is provided with it the back up pad of dihedral one to one, back up pad madial wall is provided with fixed head, and column is fixed through fixed head and back up pad.
3. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: the lower end of described column is fixed on base plate by flange.
4. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: the two ends of described upper bearing plate opposing end surface and the two ends of lower bearing plate opposing end surface are all provided with slide block, and skid is set on column.
5. Vehicle Suspension Vibration testing table according to claim 1, it is characterized in that: described vibroshock upper and lower side is respectively equipped with upper spring seat, lower spring cup, upper spring seat, lower spring cup are fixed on the lower surface of upper bearing plate, the upper surface of lower bearing plate respectively by upper junction plate, lower connecting plate, are also provided with the spring be set in outside vibroshock between upper spring seat, lower spring cup.
6. Vehicle Suspension Vibration testing table according to claim 1 or 5, it is characterized in that: described displacement transducer adopts differential transformer displace￣ ment transducer, the movable end of differential transformer displace￣ ment transducer and the lower connecting plate upper surface of lower bearing plate upper surface are fixed, and the upper junction plate of upper end and upper bearing plate lower surface is fixed.
7. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: described displacement transducer, speed pickup, stepper motor are all connected with PC.
8. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: described excentric shaft housing comprises excentric shaft upper shell and excentric shaft lower house is formed.
9. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: described motion coulisse adopts split type, fixedly forms by upper grid is relative with downslide frid.
10. Vehicle Suspension Vibration testing table according to claim 1, is characterized in that: described vibroshock can be replaced the MR damper measuring semi-active suspension vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845190.2U CN204535942U (en) | 2014-12-25 | 2014-12-25 | A kind of Vehicle Suspension Vibration testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845190.2U CN204535942U (en) | 2014-12-25 | 2014-12-25 | A kind of Vehicle Suspension Vibration testing table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535942U true CN204535942U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420845190.2U Expired - Fee Related CN204535942U (en) | 2014-12-25 | 2014-12-25 | A kind of Vehicle Suspension Vibration testing table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515660A (en) * | 2014-12-25 | 2015-04-15 | 安徽机电职业技术学院 | Vibration test bench for automotive suspension |
| CN109211583A (en) * | 2018-08-15 | 2019-01-15 | 宁波拓普集团股份有限公司 | A kind of automobile power assembly active engine mount test-bed |
| CN109238668A (en) * | 2018-08-23 | 2019-01-18 | 倪晋挺 | A kind of motor spring detection device |
-
2014
- 2014-12-25 CN CN201420845190.2U patent/CN204535942U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515660A (en) * | 2014-12-25 | 2015-04-15 | 安徽机电职业技术学院 | Vibration test bench for automotive suspension |
| CN109211583A (en) * | 2018-08-15 | 2019-01-15 | 宁波拓普集团股份有限公司 | A kind of automobile power assembly active engine mount test-bed |
| CN109238668A (en) * | 2018-08-23 | 2019-01-18 | 倪晋挺 | A kind of motor spring detection device |
| CN109238668B (en) * | 2018-08-23 | 2020-04-28 | 戴金燕 | Automobile spring detection device |
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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: 20150805 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |