CN104865082B - A kind of hydraulic pressure interconnects suspension fatigue test system - Google Patents
A kind of hydraulic pressure interconnects suspension fatigue test system Download PDFInfo
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- CN104865082B CN104865082B CN201510314067.7A CN201510314067A CN104865082B CN 104865082 B CN104865082 B CN 104865082B CN 201510314067 A CN201510314067 A CN 201510314067A CN 104865082 B CN104865082 B CN 104865082B
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- tumbler
- movement frame
- hydraulic cylinder
- pedestal
- connecting rod
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Abstract
Suspension fatigue test system is interconnected the invention discloses a kind of hydraulic pressure, is mainly included:Pedestal, the guide rail being fixedly connected with pedestal, movement frame, connecting rod, tumbler, connecting shaft, shaft coupling, wherein, each hydraulic cylinder lower end of Hydraulic interconnection suspension system is connected with pedestal, upper end is connected with movement frame, movement frame is connected by connecting rod with tumbler, and tie point and tumbler center of rotation are misaligned, are connected between each tumbler by connecting shaft, shaft coupling, tumbler is driven by the external world, drives movement frame along guide rail linear reciprocating motion.Simple and reliable for structure, low cost of the invention, easy to maintenance, testing efficiency is high, and can single or multiple hydraulic cylinders be carried out with the test of fatigue strength, and meets to different strokes, different volumes, the hydraulic cylinder of out of phase difference and the test request of hydraulic cylinder group.
Description
Technical field
The present invention relates to hydraulic cylinder fatigue property test systems technology field, suspension is interconnected more particularly, to a kind of hydraulic pressure tired
Labor test system.
Background technology
Hydraulic interconnection suspension system as new vehicle suspension system, its structure mainly include several hydraulic cylinders and
Connect and interconnected between oil pipe, accumulator and interface of this several hydraulic cylinder etc., each hydraulic cylinder by oil pipe, be connected to accumulation of energy
Device.The major defect of hydraulic pressure interconnection suspension fatigue test device is in the prior art:Can only be to single hydraulic cylinder or hydraulic pressure system
System is tested, and testing efficiency is low;Hydraulic cylinder or the single phase test of hydraulic system can only be realized, it is impossible to simulating vehicle difference fortune
Row operating mode.In order to detect the quality and security of Hydraulic interconnection suspension system, a kind of inexpensive, comprehensive reliable hydraulic pressure is needed badly mutual
Join the fatigue test system of suspension system.
The content of the invention
The technical problems to be solved by the invention are to overcome above-mentioned the deficiencies in the prior art, and to provide a kind of low cost,
Structure is reliable, is easy to safeguard, the high hydraulic pressure interconnection suspension fatigue test system of testing efficiency.
The technical scheme that the present invention solves the use of its technical problem is as follows:A kind of hydraulic pressure interconnects suspension fatigue test system,
Pedestal, the guide rail being fixedly connected with pedestal, movement frame, connecting rod, tumbler, connecting shaft, shaft coupling, wherein, hydraulic pressure interconnection suspension system
Each hydraulic cylinder lower end of system is connected with pedestal, and upper end is connected with movement frame, and movement frame is connected by connecting rod with tumbler, tie point
It is misaligned with tumbler center of rotation, it is connected between each tumbler by connecting shaft, shaft coupling, tumbler is driven by the external world, band
Movement frame is moved along guide rail linear reciprocating motion.
Further, a kind of hydraulic pressure interconnection suspension fatigue test system, the test system mainly includes:First pedestal, first
Guide rail, the first tumbler, first connecting rod, the first movement frame, the first connecting shaft, the second connecting shaft, shaft coupling, the second pedestal, second are led
Rail, the second tumbler, second connecting rod, the second movement frame, wherein, the first pedestal is fixedly connected with the first guide rail, first connecting rod two
End is hinged with the first tumbler, the first movement frame respectively, and the first movement frame can do linear reciprocating motion, the second base along the first guide rail
Seat is fixedly connected with the second guide rail, and second connecting rod two ends are hinged with the second tumbler, the second movement frame respectively, and the second movement frame can
Linear reciprocating motion is done along the second guide rail, the first tumbler is connected with the first connecting shaft, and the second tumbler is connected with the second connecting shaft
Connect, the first connecting shaft is connected with the second connecting shaft by shaft coupling, first is provided between first pedestal and the first movement frame
Tested hydraulic cylinder, the second tested hydraulic cylinder, are provided with the first tested hydraulic cylinder, the between first pedestal and the first movement frame
Two tested hydraulic cylinders.
Further, first tumbler and the second tumbler are disposed as being provided with disk, disk some away from the center of circle
Apart from different hinge holes, for being connected respectively with first connecting rod, second connecting rod, to realize tested hydraulic pressure interconnection suspension system
The tested stroke of system hydraulic cylinder is adjustable.
Further, the first connecting rod connects first movement frame one end and is provided with some highly different hinge holes, described
Second connecting rod connects second movement frame one end and is provided with some highly different hinge holes, and the hinge hole is used to realize hydraulic cylinder
Upper connection end is highly adjusted, to test the Hydraulic interconnection suspension system of different size hydraulic cylinder.
Further, the shaft coupling is provided with out of phase attachment structure, for the tired of each hydraulic cylinder out of phase motion
Labor is tested.
Further, the first tumbler is identical with the second tumbler operating phase.
Further, the first tumbler differs 180 ° with the second tumbler operating phase.
The present invention compared with prior art, has the advantages that:
(1) it can realize that multiple hydraulic cylinders are tested simultaneously, testing efficiency is high.
(2) it can realize that out of phase is tested, multiple operating modes of simulating vehicle traveling.
(3) test of the Hydraulic interconnection suspension system of different size hydraulic cylinder can be met.
(4) whole test system structure is simple and reliable, and low cost is easy to maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure:1st, the first pedestal, the 2, first guide rail, the 3, first tumbler, 4, first connecting rod, the 5, first movement frame, 60,
One tested hydraulic cylinder, the 62, second tested hydraulic cylinder, the 70, first connecting shaft, the 72, second connecting shaft, 8, shaft coupling, the 10, second pedestal,
20th, the second guide rail, the 30, second tumbler, 40, second connecting rod, the 50, second movement frame, the 64, the 3rd tested hydraulic cylinder, the 66, the 4th
Tested hydraulic cylinder.
Embodiment:
Invention is described further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of hydraulic pressure interconnection suspension fatigue test system, the test system mainly includes:First pedestal 1,
First guide rail 2, the first tumbler 3, first connecting rod 4, the first movement frame 5, the first connecting shaft 70, the second connecting shaft 72, shaft coupling 8,
Two pedestals 10, the second guide rail 20, the second tumbler 30, second connecting rod 40, the second movement frame 50, wherein, the first pedestal 1 and first
Guide rail 2 is fixedly connected, and the two ends of first connecting rod 4 are hinged with the first tumbler 3, the first movement frame 5 respectively, and the first movement frame 5 can edge
First guide rail 2 does linear reciprocating motion, and the second pedestal 10 is fixedly connected with the second guide rail 20, and the two ends of second connecting rod 40 are respectively with
Two tumblers 30, the second movement frame 50 are hinged, and the second movement frame 50 can do linear reciprocating motion along the second guide rail 20, and first rotates
Part 3 is connected with the first connecting shaft 70, and the second tumbler 30 is connected with the second connecting shaft 72, and the first connecting shaft 70 and the second connecting shaft 72 are logical
Cross shaft coupling 8 to be connected, the first tested hydraulic cylinder 60, second is provided between the movement frame 5 of the first pedestal 1 and first and is tested
The first tested hydraulic cylinder 64, second is provided between hydraulic cylinder 62, the movement frame 50 of the first pedestal 1 and first and is tested hydraulic cylinder
66。
The tumbler 30 of first tumbler 3 and second is disposed as being provided with disk, disk some away from center of circle distance
Different hinge hole, for being connected respectively with first connecting rod 4, second connecting rod 40, to realize tested hydraulic pressure interconnection suspension system
The tested stroke of system hydraulic cylinder is adjustable.
The first connecting rod 4 connection the first movement frame 5 one end is provided with some highly different hinge holes, and described second connects
The connection of bar 40 second movement frame 50 one end is provided with some highly different hinge holes, and the hinge hole is used to realize hydraulic cylinder
Connection end is highly adjusted, to test the Hydraulic interconnection suspension system of different size hydraulic cylinder.
The shaft coupling 8 is provided with out of phase attachment structure, by the connection angle for adjusting shaft coupling 8 so that first
Tumbler 3 is identical with the operating phase of the second tumbler 30.
The operation principle of the present invention is as follows:The first tested hydraulic cylinder 60, the second test solution of suspension hydraulic system will be interconnected
The two ends of cylinder pressure 62 are separately mounted between the first movement frame 5 and the first pedestal 1, will interconnect the 3rd test solution of suspension hydraulic system
Cylinder pressure the 64, the 4th is tested the two ends of hydraulic cylinder 66 and is separately mounted between the second movement frame 50 and the second pedestal 10, passes through outside drive
Dynamic device drives the first tumbler 3 to rotate, after the first tumbler 3 is driven, and first is driven by the first connecting rod 4 being hinged with it
Movement frame 5, makes the first movement frame 5 do linear reciprocating motion along the first guide rail 2, and drives the be arranged on the first movement frame 5
One tested hydraulic cylinder 60, second is tested hydraulic cylinder 62 and does linear reciprocating motion, after the second tumbler 30 is driven, by being cut with scissors with it
The second connecting rod 40 connect drives the second movement frame 50, the second movement frame 5 is done linear reciprocating motion along the second guide rail 20, and drive
The 3rd tested hydraulic cylinder the 64, the 4th on the second movement frame 50 is tested hydraulic cylinder 66 and does linear reciprocating motion, so that real
The simulation of suspension actual working state is now interconnected to hydraulic pressure.Due to now the first tested hydraulic cylinder 60, second be tested hydraulic cylinder 62,
The motion phase that 3rd tested hydraulic cylinder the 64, the 4th is tested hydraulic cylinder 66 is identical, therefore can realize the liquid of vehicle vertical vibration operating mode
Pressure interconnection suspension system testing fatigue.
By carrying out simple adjustment to the present invention, the test to different size hydraulic cylinder can be achieved.By selecting first turn
Different hinge holes on moving part 3 are hinged with first connecting rod 4, different hinge holes and second connecting rod 40 on the second tumbler 30 of selection
It is hinged, realizes the stroke of regulation tested hydraulic cylinder testing fatigue;By selecting different hinge holes and the first fortune on first connecting rod 4
Moving frame 5 is hinged, and different hinge holes are hinged with the second movement frame 50 on selection second connecting rod 40, regulation first connecting rod 4,
The active length of second connecting rod 40, makes system be applied to the hydraulic cylinder of different length.
Each hydraulic cylinder lower end of Hydraulic interconnection suspension system of the present invention is connected with pedestal, and upper end is connected with movement frame, motion
Frame is connected by connecting rod with tumbler, and tie point and tumbler center of rotation are misaligned, and tumbler is driven by the external world, drives motion
Frame is along guide rail linear reciprocating motion, so as to realize the fatigue strength test of Hydraulic interconnection suspension system.The present invention can to single or
Multiple hydraulic cylinders carry out the test of fatigue strength, and meet to different strokes, different volumes, the hydraulic cylinder of out of phase difference and
The test request of hydraulic cylinder group.
The maximum difference of fatigue strength test system that the present invention is directed to hydraulic cylinder with other is:This test system
Power resources are Mechanical Driven so that hydrodynamic force inside hydraulic cylinder, is the powered belt hydrodynamic cylinder pressure by carrying out rotatable member
It is flexible, realize Work condition analogue, realize the test system of Work condition analogue compared to mechanical movement is produced by hydraulic-driven, this is
System provides a kind of testing scheme of different dynamic route, to adapt to the fatigue strength test that hydraulic pressure interconnects suspension.
Embodiment 2
The present embodiment inventive embodiments corresponding with such as Fig. 1 are similar, and both differences are the company by adjusting shaft coupling 8
Connect angle so that the first tumbler 3 differs 180 ° with the operating phase of the second tumbler 30.Wherein, if the first tested hydraulic cylinder
60th, the second tested hydraulic cylinder 62 is the corresponding hydraulic cylinder of front axle that hydraulic pressure interconnects suspension, and the 3rd tested hydraulic cylinder the 64, the 4th is tested
Hydraulic cylinder 66 is the corresponding hydraulic cylinder of rear axle that hydraulic pressure interconnects suspension, then is accomplished that the hydraulic pressure interconnection of vehicle pitch vibration operating mode
Suspension system testing fatigue;If it is the left side wheel that hydraulic pressure interconnects suspension that the first tested hydraulic cylinder 60, second, which is tested hydraulic cylinder 62,
Corresponding hydraulic cylinder, it is corresponding that the 3rd tested hydraulic cylinder the 64, the 4th is tested the right side wheels that hydraulic cylinder 66 is hydraulic pressure interconnection suspension
Hydraulic cylinder, then be accomplished that vehicle roll vibrates the Hydraulic interconnection suspension system testing fatigue of operating mode.
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that,
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of hydraulic pressure interconnects suspension fatigue test system, it is characterised in that:The test system mainly includes:First pedestal (1),
First guide rail (2), the first tumbler (3), first connecting rod (4), the first movement frame (5), the first connecting shaft (70), the second connecting shaft
(72), shaft coupling (8), the second pedestal (10), the second guide rail (20), the second tumbler (30), second connecting rod (40), the second motion
Frame (50), wherein, the first pedestal (1) is fixedly connected with the first guide rail (2), first connecting rod (4) two ends respectively with the first tumbler
(3), the first movement frame (5) is hinged, and the first movement frame (5) can do linear reciprocating motion, the second pedestal (10) along the first guide rail (2)
It is fixedly connected with the second guide rail (20), second connecting rod (40) two ends are cut with scissors with the second tumbler (30), the second movement frame (50) respectively
Connect, the second movement frame (50) can do linear reciprocating motion, the first tumbler (3) and the first connecting shaft (70) phase along the second guide rail (20)
Connection, the second tumbler (30) is connected with the second connecting shaft (72), and the first connecting shaft (70) passes through shaft coupling with the second connecting shaft (72)
(8) it is connected, the first tested hydraulic cylinder (60) is provided between first pedestal (1) and the first movement frame (5), second is tested
Hydraulic cylinder (62), is provided with the first tested hydraulic cylinder (64), the second quilt between first pedestal (1) and the first movement frame (50)
Survey hydraulic cylinder (66), first tumbler (3) and the second tumbler (30) be disposed as being provided with disk, disk it is some away from
The center of circle is apart from different hinge holes.
2. hydraulic pressure according to claim 1 interconnects suspension fatigue test system, it is characterised in that:The first connecting rod (4)
Connect the first movement frame (5) one end and be provided with some highly different hinge holes, second connecting rod (40) connection second is moved
Frame (50) one end is provided with some highly different hinge holes.
3. hydraulic pressure according to claim 1 interconnects suspension fatigue test system, it is characterised in that:The shaft coupling (8) sets
It is equipped with out of phase attachment structure.
4. the hydraulic pressure interconnection suspension fatigue test system according to claim 1 or 3, it is characterised in that:First tumbler (3)
It is identical with the second tumbler (30) operating phase.
5. the hydraulic pressure interconnection suspension fatigue test system according to claim 1 or 3, it is characterised in that:First tumbler (3)
180 ° are differed with the second tumbler (30) operating phase.
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CN201510314067.7A CN104865082B (en) | 2015-06-10 | 2015-06-10 | A kind of hydraulic pressure interconnects suspension fatigue test system |
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CN201510314067.7A CN104865082B (en) | 2015-06-10 | 2015-06-10 | A kind of hydraulic pressure interconnects suspension fatigue test system |
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CN104865082A CN104865082A (en) | 2015-08-26 |
CN104865082B true CN104865082B (en) | 2017-07-11 |
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CN107860592A (en) * | 2017-11-02 | 2018-03-30 | 安徽万安汽车零部件有限公司 | A kind of single incorgruous bounce mechanism of actuator driving suspension |
CN111077010A (en) * | 2020-01-09 | 2020-04-28 | 国家康复辅具研究中心 | Do benefit to pneumatic cylinder test bench of centering |
Citations (5)
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CN201532341U (en) * | 2009-10-27 | 2010-07-21 | 锦州万友机械部件有限公司 | Vibration absorber piston rod lateral dynamic bending fatigue testing device |
CN102072827A (en) * | 2010-11-30 | 2011-05-25 | 北京华谷减振器设备有限公司 | Double-acting life test bed for shock absorber |
CN102735458A (en) * | 2012-06-13 | 2012-10-17 | 江苏明珠试验机械有限公司 | Double-acting durability test bed for vibration absorber |
CN104132821A (en) * | 2014-08-08 | 2014-11-05 | 常州万安汽车部件科技有限公司 | Fatigue testing system for vehicle hydraulic interconnection suspension system |
CN203965161U (en) * | 2014-07-17 | 2014-11-26 | 广州汽车集团股份有限公司 | Automotive suspension strength test bed frame |
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2015
- 2015-06-10 CN CN201510314067.7A patent/CN104865082B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201532341U (en) * | 2009-10-27 | 2010-07-21 | 锦州万友机械部件有限公司 | Vibration absorber piston rod lateral dynamic bending fatigue testing device |
CN102072827A (en) * | 2010-11-30 | 2011-05-25 | 北京华谷减振器设备有限公司 | Double-acting life test bed for shock absorber |
CN102735458A (en) * | 2012-06-13 | 2012-10-17 | 江苏明珠试验机械有限公司 | Double-acting durability test bed for vibration absorber |
CN203965161U (en) * | 2014-07-17 | 2014-11-26 | 广州汽车集团股份有限公司 | Automotive suspension strength test bed frame |
CN104132821A (en) * | 2014-08-08 | 2014-11-05 | 常州万安汽车部件科技有限公司 | Fatigue testing system for vehicle hydraulic interconnection suspension system |
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