CN104865082A - Fatigue test system for hydraulic interconnected suspension - Google Patents
Fatigue test system for hydraulic interconnected suspension Download PDFInfo
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- CN104865082A CN104865082A CN201510314067.7A CN201510314067A CN104865082A CN 104865082 A CN104865082 A CN 104865082A CN 201510314067 A CN201510314067 A CN 201510314067A CN 104865082 A CN104865082 A CN 104865082A
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- tumbler
- movement frame
- hydraulic
- pedestal
- connecting rod
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Abstract
The invention discloses a fatigue test system for a hydraulic interconnected suspension. The system mainly comprises bases, guide rails fixedly connected with the bases, motion frames, connecting rods, rotating parts, connecting shafts, and a coupling. The lower end of each hydraulic cylinder of a hydraulic interconnected suspension system is connected with the base, and the upper end is connected with the motion frame. The motion frame is connected with the rotating part through the connecting rod, and connecting points are not overlapped with the rotation center of the rotating parts. The rotating parts are connected with each other through the connecting shafts and the coupling. The rotating parts are driven by the external, and drive the motion frames to do reciprocating rectilinear motion along the guide rails. The system is simple and reliable in structure, low in cost, convenient in maintenance, and high in test efficiency, and can perform fatigue strength tests on a single or a plurality of hydraulic cylinders, and satisfies test requirements on hydraulic cylinders and hydraulic cylinder groups in different strokes, different volumes, and different phase differences.
Description
Technical field
The present invention relates to hydraulic cylinder fatigue property test systems technology field, especially relate to the interconnected suspension fatigue test system of a kind of hydraulic pressure.
Background technology
Hydraulic interconnection suspension system is as novel vehicle suspension system, and its structure mainly comprises several hydraulic cylinders and connects the oil pipe of these several hydraulic cylinders, accumulator and interface etc., interconnected by oil pipe between each hydraulic cylinder, is connected to accumulator.In prior art, the major defect of hydraulic pressure interconnected suspension fatigue test device is: can only test single hydraulic cylinder or hydraulic system, testing efficiency is low; Hydraulic cylinder or hydraulic system single-phase bit test can only be realized, can not the different operating condition of simulating vehicle.In order to detect quality and the security of Hydraulic interconnection suspension system, need the fatigue test system of a kind of low cost, comprehensively reliable Hydraulic interconnection suspension system badly.
Summary of the invention
Technical matters to be solved by this invention is, for overcoming above-mentioned the deficiencies in the prior art, and provides a kind of cost low, and structure is reliable, is convenient to safeguard, the interconnected suspension fatigue test system of the hydraulic pressure that testing efficiency is high.
The technical scheme that the present invention solves the employing of its technical matters is as follows: the interconnected suspension fatigue test system of a kind of hydraulic pressure, pedestal, the guide rail be 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 with tumbler by connecting rod, tie point does not overlap with tumbler center of rotation, be connected by connecting shaft, shaft coupling between each tumbler, tumbler is driven by the external world, and brought into motion frame is along guide rail linear reciprocating motion.
Further, the interconnected suspension fatigue test system of a kind of hydraulic pressure, this test macro mainly comprises: the first pedestal, first guide rail, first tumbler, first connecting rod, first movement frame, first connecting shaft, second connecting shaft, shaft coupling, second pedestal, second guide rail, second tumbler, second connecting rod, second movement frame, wherein, the first pedestal is fixedly connected with the first guide rail, first connecting rod two ends respectively with the first tumbler, first movement frame is hinged, and the first movement frame can do linear reciprocating motion along the first guide rail, and the second pedestal is fixedly connected with the second guide rail, second connecting rod two ends respectively with the second tumbler, second movement frame is hinged, second movement frame can do linear reciprocating motion along the second guide rail, first tumbler is connected with the first connecting shaft, second tumbler is connected with the second connecting shaft, first connecting shaft is connected by shaft coupling with the second connecting shaft, is provided with the first test solution cylinder pressure between described first pedestal and the first movement frame, second test solution cylinder pressure, is provided with the first test solution cylinder pressure between described first pedestal and the first movement frame, second test solution cylinder pressure.
Further, described first tumbler and the second tumbler are all set to disk, disk is provided with some apart from distance of center circle from different hinge holes, for being connected with first connecting rod, second connecting rod respectively, so that the tested stroke realizing tested Hydraulic interconnection suspension system hydraulic cylinder is adjustable.
Further, described first connecting rod connects first movement frame one end and is provided with the different hinge hole of some height, described second connecting rod connects second movement frame one end and is provided with the different hinge hole of some height, described hinge hole for realizing link height control on hydraulic cylinder, to test the Hydraulic interconnection suspension system of different size hydraulic cylinder.
Further, described shaft coupling is provided with out of phase syndeton, for the testing fatigue of each hydraulic cylinder out of phase motion.
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 following beneficial effect:
(1) can realize multiple hydraulic cylinder to test, testing efficiency is high simultaneously.
(2) out of phase test can be realized, multiple operating modes that simulating vehicle travels.
(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 cost is low, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, the first pedestal, the 2, first guide rail, the 3, first tumbler, 4, first connecting rod, the 5, first movement frame, the 60, first test solution cylinder pressure, 62, the second test solution cylinder pressure, the 70, first connecting shaft, the 72, second connecting shaft, 8, shaft coupling, the 10, second pedestal, the 20, second guide rail, 30, the second tumbler, 40, second connecting rod, the 50, second movement frame, 64, the 3rd test solution cylinder pressure, the 66, the 4th test solution cylinder pressure.
Embodiment:
Below in conjunction with the drawings and specific embodiments, invention is described further.
Embodiment 1
As shown in Figure 1, the interconnected suspension fatigue test system of a kind of hydraulic pressure, this test macro mainly comprises: the first pedestal 1, first guide rail 2, first tumbler 3, first connecting rod 4, first movement frame 5, first connecting shaft 70, second connecting shaft 72, shaft coupling 8, second pedestal 10, second guide rail 20, second tumbler 30, second connecting rod 40, second movement 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, first movement frame 5 is hinged, and the first movement frame 5 can do linear reciprocating motion along the first guide rail 2, and the second pedestal 10 is fixedly connected with the second guide rail 20, second connecting rod 40 two ends respectively with the second tumbler 30, second movement frame 50 is hinged, second movement frame 50 can do linear reciprocating motion along the second guide rail 20, first tumbler 3 is connected with the first connecting shaft 70, second tumbler 30 is connected with the second connecting shaft 72, first connecting shaft 70 is connected by shaft coupling 8 with the second connecting shaft 72, is provided with the first test solution cylinder pressure 60 between described first pedestal 1 and the first movement frame 5, second test solution cylinder pressure 62, is provided with the first test solution cylinder pressure 64 between described first pedestal 10 and the first movement frame 50, second test solution cylinder pressure 66.
Described first tumbler 3 and the second tumbler 30 are all set to disk, disk is provided with some apart from distance of center circle from different hinge holes, for being connected with first connecting rod 4, second connecting rod 40 respectively, so that the tested stroke realizing tested Hydraulic interconnection suspension system hydraulic cylinder is adjustable.
Described first connecting rod 4 connects first movement frame 5 one end and is provided with the different hinge hole of some height, described second connecting rod 40 connects second movement frame 50 one end and is provided with the different hinge hole of some height, described hinge hole for realizing link height control on hydraulic cylinder, to test the Hydraulic interconnection suspension system of different size hydraulic cylinder.
Described shaft coupling 8 is provided with out of phase syndeton, by regulating the connection angle of shaft coupling 8, makes the first tumbler 3 identical with the operating phase of the second tumbler 30.
Principle of work of the present invention is as follows: by the first test solution cylinder pressure 60 of interconnected suspension hydraulic system, second test solution cylinder pressure 62 two ends are arranged between the first movement frame 5 and the first pedestal 1 respectively, by the 3rd test solution cylinder pressure 64 of interconnected suspension hydraulic system, 4th test solution cylinder pressure 66 two ends are arranged between the second movement frame 50 and the second pedestal 10 respectively, the first tumbler 3 is driven to rotate by external driver device, after first tumbler 3 is driven, the first movement frame 5 is driven by the first connecting rod 4 hinged with it, the first movement frame 5 is made to do linear reciprocating motion along the first guide rail 2, and drive the first test solution cylinder pressure 60 be arranged on the first movement frame 5, second test solution cylinder pressure 62 does linear reciprocating motion, after second tumbler 30 is driven, the second movement frame 50 is driven by the second connecting rod 40 hinged with it, the second movement frame 5 is made to do linear reciprocating motion along the second guide rail 20, and drive the 3rd test solution cylinder pressure 64 be arranged on the second movement frame 50, 4th test solution cylinder pressure 66 does linear reciprocating motion, thus the simulation realized the interconnected suspension actual working state of hydraulic pressure.Because the motion phase of now the first test solution cylinder pressure 60, second test solution cylinder pressure 62, the 3rd test solution cylinder pressure 64, the 4th test solution cylinder pressure 66 is identical, therefore the Hydraulic interconnection suspension system testing fatigue of vehicle vertical vibration operating mode can be realized.
By carrying out simple adjustment to the present invention, the test to different size hydraulic cylinder can be realized.By select the different hinge hole on the first tumbler 3 and first connecting rod 4 hinged, select the different hinge hole on the second tumbler 30 and second connecting rod 40 hinged, realize the stroke regulating tested hydraulic cylinder testing fatigue; Undertaken hinged by selecting different hinge hole and the first movement frame 5 on first connecting rod 4, different hinge hole and the second movement frame 50 on second connecting rod 40 is selected to carry out hinged, regulate the active length of first connecting rod 4, second connecting rod 40, make system be applicable 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, upper end is connected with movement frame, movement frame is connected with tumbler by connecting rod, tie point does not overlap with tumbler center of rotation, tumbler is driven by the external world, brought into motion frame along guide rail linear reciprocating motion, thus realizes the fatigue strength test of Hydraulic interconnection suspension system.The present invention can carry out the test of fatigue strength to single or multiple hydraulic cylinder, and meets different stroke, different volumes, the hydraulic cylinder of out of phase difference and the test request of hydraulic cylinder group.
The maximum different of the present invention and other fatigue strength test systems for hydraulic cylinder are: the power resources of this test macro are Mechanical Driven, make the inner hydrodynamic force of hydraulic cylinder, the flexible of the powered belt hydrodynamic cylinder pressure by carrying out rotatable member, realize Work condition analogue, compare and produce mechanical motion by hydraulic-driven and realize the test macro of Work condition analogue, native system provides a kind of testing scheme of different dynamic route, to adapt to the fatigue strength test of the interconnected suspension of hydraulic pressure.
Embodiment 2
The inventive embodiments that the present embodiment is corresponding with such as Fig. 1 is similar, and both differences are to make the first tumbler 3 differ 180 ° with the operating phase of the second tumbler 30 by the connection angle by regulating shaft coupling 8.Wherein, if the first test solution cylinder pressure 60, second test solution cylinder pressure 62 is the hydraulic cylinder that the front axle of the interconnected suspension of hydraulic pressure is corresponding, 3rd test solution cylinder pressure 64, the 4th test solution cylinder pressure 66 are the hydraulic cylinder that the rear axle of the interconnected suspension of hydraulic pressure is corresponding, then what realize is the Hydraulic interconnection suspension system testing fatigue that vehicle pitch vibrates operating mode; If the first test solution cylinder pressure 60, second test solution cylinder pressure 62 hydraulic cylinder that to be the left side wheel of the interconnected suspension of hydraulic pressure corresponding, 3rd test solution cylinder pressure 64, the 4th test solution cylinder pressure 66 are hydraulic cylinder corresponding to the right side wheels of the interconnected suspension of hydraulic pressure, then what realize is the Hydraulic interconnection suspension system testing fatigue of vehicle roll vibration operating mode.
More than show and describe ultimate principle of the present invention and principal character.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. the interconnected suspension fatigue test system of hydraulic pressure, it is characterized in that: mainly comprise: pedestal, the guide rail be 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 with tumbler by connecting rod, tie point does not overlap with tumbler center of rotation, be connected by connecting shaft, shaft coupling between each tumbler, tumbler is driven by the external world, and brought into motion frame is along guide rail linear reciprocating motion.
2. the interconnected suspension fatigue test system of a kind of hydraulic pressure according to claim 1, it is characterized in that: this test macro mainly comprises: the first pedestal (1), first guide rail (2), first tumbler (3), first connecting rod (4), first movement frame (5), first connecting shaft (70), second connecting shaft (72), shaft coupling (8), second pedestal (10), second guide rail (20), second tumbler (30), second connecting rod (40), second movement frame (50), wherein, first pedestal (1) is fixedly connected with the first guide rail (2), first connecting rod (4) two ends respectively with the first tumbler (3), first movement frame (5) is hinged, first movement frame (5) can do linear reciprocating motion along the first guide rail (2), second pedestal (10) is fixedly connected with the second guide rail (20), second connecting rod (40) two ends respectively with the second tumbler (30), second movement frame (50) is hinged, second movement frame (50) can do linear reciprocating motion along the second guide rail (20), first tumbler (3) is connected with the first connecting shaft (70), second tumbler (30) is connected with the second connecting shaft (72), first connecting shaft (70) is connected by shaft coupling (8) with the second connecting shaft (72), the first test solution cylinder pressure (60) is provided with between described first pedestal (1) and the first movement frame (5), second test solution cylinder pressure (62), the first test solution cylinder pressure (64) is provided with between described first pedestal (10) and the first movement frame (50), second test solution cylinder pressure (66).
3. the interconnected suspension fatigue test system of hydraulic pressure according to claim 2, it is characterized in that: described first tumbler (3) and the second tumbler (30) are all set to disk, disk is provided with some apart from distance of center circle from different hinge holes.
4. the interconnected suspension fatigue test system of hydraulic pressure according to claim 2, it is characterized in that: described first connecting rod (4) connects the first movement frame (5) one end and is provided with the different hinge hole of some height, described second connecting rod (40) connects the second movement frame (50) one end and is provided with the different hinge hole of some height.
5. the interconnected suspension fatigue test system of hydraulic pressure according to claim 2, is characterized in that: described shaft coupling (8) is provided with out of phase syndeton.
6. the interconnected suspension fatigue test system of the hydraulic pressure according to claim 2 or 5, is characterized in that: the first tumbler (3) is identical with the second tumbler (30) operating phase.
7. the interconnected suspension fatigue test system of the hydraulic pressure according to claim 2 or 5, is characterized in that: the first tumbler (3) differs 180 ° 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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CN104865082B CN104865082B (en) | 2017-07-11 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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 |
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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 |
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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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