CN102645326B - Automotive stabilizer bar fatigue test-bed structure - Google Patents
Automotive stabilizer bar fatigue test-bed structure Download PDFInfo
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- CN102645326B CN102645326B CN201110458621.0A CN201110458621A CN102645326B CN 102645326 B CN102645326 B CN 102645326B CN 201110458621 A CN201110458621 A CN 201110458621A CN 102645326 B CN102645326 B CN 102645326B
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- stabilizer bar
- tie
- longitudinal
- automobile stabilizer
- fatigue test
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 76
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009661 fatigue test Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a fatigue test-bed structure, and provides an automotive stabilizer bar fatigue test-bed structure which are high in the stability and test data accuracy and can simulate and test the stress condition of an automotive stabilizer bar under a real operating state, and the invention solves the technical problems that in the prior art, because the stress condition of the automotive stabilizer bar does not accord with the fact and the stability of the test process is poor during a fatigue test, the accuracy of test data is low and the like. The automotive stabilizer bar spring fatigue test-bed structure comprises a platform and a longitudinal pedestal arranged on the platform, actuating cylinders are arranged on the platform by both sides of the longitudinal pedestal, and are connected with a control system, the two actuating cylinders are respectively articulated with a planar pivot four-bar mechanism, the two planar pivot four-bar mechanisms vertically extend to the front side of the longitudinal pedestal and are respectively articulated with both ends of an automotive stabilizer bar, the middles of the two planar pivot four-bar mechanisms are articulated on supports, and the supports are symmetrically fixed on the front side of the longitudinal pedestal and respectively clamped on both sides of the middle of the automotive stabilizer bar by holders.
Description
Technical field
The present invention relates to a kind of fatigue test board shelf structure, relate in particular to a kind of good stability, can analog detection go out automobile stabilizer bar at the automobile stabilizer bar fatigue test board shelf structure of real work state lower stress situation.
Background technology
Automobile stabilizer bar is one of parts important in automobile manufacturing process, it is in order to prevent automobile serious elastic component rolling in turning process, and index fatigue lifetime of automobile stabilizer bar is one of main project of its performance quality of checking, good permanance is not only the basis of vehicle safety travel, and can meet the requirement of driver and crew to vehicle riding comfort, so the torture test of automobile stabilizer bar is very necessary and important.Existing automobile stabilizer bar fatigue test mechanism is generally one end of fixing automobile stabilizer bar, the other end of automobile stabilizer bar swings torsion with reversing cylinder, one end of automobile stabilizer bar being doubled to amplitude reverses, and the two ends of automobile stabilizer bar are anti-phase torsion in actual use, therefore the stress of automobile stabilizer bar does not conform to the actual conditions, and test time can only be inputted definite value driving parameter, cannot adopt the loading spectrum gathering at testing field to drive, therefore the poor accuracy of test figure, cannot provide for the design of automobile stabilizer bar reliable data.
Chinese patent discloses a kind of stabilizer bar fatigue testing machine (CN201373809Y), it consists of Motorized drive unit, main body frame, wherein Motorized drive unit consists of belt pulley, transmission shaft and the runner installed at transmission shaft two ends, the connecting link that one of them runner is installed is set for the eccentric, two runners respectively by connecting link, fork and pull bar be arranged on main body framework frame on the symmetrical movable slider of installing, sensor is installed on movable slider, and main body frame consists of lock bracket and slider bracket.While adopting this fatigue tester to test, the two ends of automobile stabilizer bar directly connect start cylinder by transmission shaft and drive, the two ends of automobile stabilizer bar are connected on runner, because one of them runner and connecting link are eccentric, be connected, the relative other end in one end that during test is equally automobile stabilizer bar swings torsion, one end of automobile stabilizer bar being doubled to amplitude reverses, therefore exist equally the stress of automobile stabilizer bar not conform to the actual conditions, and test time is also to input definite value driving parameter, cannot adopt the loading spectrum gathering at testing field to drive, the poor accuracy that causes test figure, cannot provide the technical matterss such as reliable data for the design of automobile stabilizer bar, simultaneously due to the structures shape of automobile stabilizer bar the two ends of this device can produce side force because of the distortion of stabilizer bar, make the poor stability of device, very easily cause security incident.
Summary of the invention
The present invention has mainly been to provide a kind of good stability, can analog detection go out automobile stabilizer bar in real work state lower stress situation, the high automobile stabilizer bar fatigue test board shelf structure of accuracy of test figure, while having solved the torture test existing in prior art, the stress of automobile stabilizer bar does not conform to the actual conditions, test unit poor stability, and the loading spectrum that cannot adopt testing field to gather drives, the poor accuracy that causes test figure, cannot provide for the design of automobile stabilizer bar the technical matters of reliable data etc.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of automobile stabilizer bar fatigue test board shelf structure, comprise platform and be located at the longitudinal pedestal on platform, on the platform of described longitudinal pedestal both sides, be arranged with start cylinder, start cylinder is connected with control system, on two start cylinders, be hinged with respectively planar pivot four-bar mechanism, two planar pivot four-bar mechanisms extend perpendicularly to the front side of longitudinal pedestal and are hinged with the two ends of automobile stabilizer bar respectively, at the middle part of two planar pivot four-bar mechanisms, be hinged on bracing frame, bracing frame symmetry is fixed on the front side of longitudinal pedestal and by holder, is clamped in respectively the both sides at automobile stabilizer bar middle part.By the symmetrical fixing support rack in longitudinal pedestal front side at platform, bracing frame clamps again the both sides at automobile stabilizer bar middle part by holder, and guarantee that holder is corresponding with the stabilizer bar press plate position for fixed car stabilizer bar on automobile, the two ends of automobile stabilizer bar are horizontally hinged one end at two symmetrically arranged planar pivot four-bar mechanisms again, the other end of planar pivot four-bar mechanism is horizontally hinged on two symmetrically arranged start cylinders again, the middle part of planar pivot four-bar mechanism is hinged on bracing frame, make bracing frame become the fulcrum of planar pivot four-bar mechanism, simple in structure, good stability, the installment state of guaranteeing automobile stabilizer bar conforms to actual use state, during use, start cylinder swings up and down according to testing requirements, the load spectrum response signal collecting in advance by input in the control system at start cylinder, control system drives start cylinder according to load spectrum response signal, real conditions while having reproduced automobile stabilizer bar road driving, thereby can analog detection go out automobile stabilizer bar in real work state lower stress situation, the accuracy of test figure is high, for the design of automobile stabilizer bar provides reliable data.
As preferably, described planar pivot four-bar mechanism comprises and is coaxially fixed on the base on start cylinder rod and horizontally rotates the girt being connected on base, the front end of girt extends perpendicularly to the front side of longitudinal pedestal, leading section at girt horizontally rotates then one end of longitudinal tie, the other end of longitudinal tie is rotationally connected with the end horizontal of automobile stabilizer bar vertically downward, and support frame as described above horizontally rotates the middle part that is connected to girt.Planar pivot four-bar mechanism is simple in structure, the connecting rod of the start cylinder two ends that are positioned at girt vertical with longitudinal tie, three and automobile stabilizer bar form square structure, the longitudinal tie in structure remains plumbness, so kinetic stability and security good.
As more preferably, at the leading section of described girt, along axis direction level, be evenly equipped with several pilot holes, described longitudinal tie is rotatably connected in pilot hole by horizontal bearing pin.When the automobile stabilizer bar of different size is tested, regulate the front and back position of longitudinal tie by pilot hole, guarantee that the longitudinal tie in structure remains plumbness, trafficability characteristic is good.
As preferably, bracing frame comprises substrate and the parallel external reinforcing plate for car of being located at substrate outside, substrate is by the parallel front side that is fixed on longitudinal pedestal of bolt, the two ends of external reinforcing plate for car are fixedly linked by outside link plate and interior web joint and substrate respectively, on outside link plate, be vertically fixed with vertical arm-tie, vertical arm-tie extends with planar pivot four-bar mechanism and horizontally rotates and be connected vertically upward.The outside link plate of external reinforcing plate for car and both sides and interior web joint can improve the intensity of bracing frame in the situation that of equivalent weight.
As more preferably, described vertical arm-tie comprises outer arm-tie and interior arm-tie, the lower end of interior arm-tie is flattened on the inner side of outer arm-tie, the upper end of interior arm-tie extend internally and and outer arm-tie between form jaws, jaws is clamped in the both sides of girt, and the bottom of outer arm-tie and interior arm-tie fixes on outside link plate by bolted.The vertical arm-tie consisting of outer arm-tie and interior arm-tie is clamped in the both sides of girt, and intensity is high, simple in structure.
As preferably, on the edge, bottom surface of support frame as described above, be provided with several open slots, on the leading flank of longitudinal pedestal, be evenly equipped with some the longitudinal "T"-shaped grooves corresponding with open slot and some horizontal "T"-shaped grooves, between open slot and corresponding longitudinal "T"-shaped groove and some horizontal "T"-shaped grooves, be provided with fastening bolt.Corresponding with the open slot on bracing frame with horizontal "T"-shaped groove by many longitudinal "T"-shaped grooves being set on the installed surface at longitudinal pedestal, convenient adjusting and fixing support rack.
As preferably, the xsect of described holder is " U " shape, after the both ends horizontal of holder stretches out, on the flat surface that is against bracing frame and by screw fastening, between holder and automobile stabilizer bar, is provided with elastic protecting sleeve.Adopt the holder of " U " shape to grip automobile stabilizer bar, fixed form is simply firm, elastic protecting sleeve is set between holder and automobile stabilizer bar and can protects automobile stabilizer bar surface impaired, makes the trystate of automobile stabilizer bar and use state in full accord.
Also can post foil gauge on automobile stabilizer bar surface, as preferably, at described start cylinder, be provided with inbuilt displacement sensor and power sensor.Guarantee that start cylinder goes out the response signal close with the load spectrum gathering by iterative software iteration and drives start cylinder.
Therefore, a kind of automobile stabilizer bar fatigue test board shelf structure of the present invention has following advantage:
1) planar pivot four-bar mechanism guarantees that device can stably work;
2) two start cylinders drive, and can input load spectrum signal, improve validity and the accuracy of test figure;
3) three coordinate directions are all adjustable, and to adapt to different automobile stabilizer bar tests, versatility is good.
accompanying drawing explanation:
Fig. 1 is the structural representation of a kind of automobile stabilizer bar fatigue test board of the present invention shelf structure;
Fig. 2 is the left view shown in Fig. 1.
embodiment:
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure 1, a kind of automobile stabilizer bar fatigue test board shelf structure of the present invention, comprise a square platform 1, on platform 1, by bolt, vertically fixed a longitudinal pedestal 2, leading flank at longitudinal pedestal 2 has been uniformly distributed seven longitudinal "T"-shaped grooves 21 and ten horizontal "T"-shaped grooves 22, on the platform 1 of longitudinal pedestal 2 both sides, symmetry has been installed two start cylinders 3, start cylinder 3 is connected with control system, and on start cylinder 3 with inbuilt displacement sensor and power sensor 8, the connecting rod of two start cylinders 3 vertically upward, in the end of connecting rod, be rotationally connected respectively a planar pivot four-bar mechanism 4, two planar pivot four-bar mechanisms 4 extend to the front side of longitudinal pedestal 2, and two planar pivot four-bar mechanisms 4 all keep vertical with the leading flank of longitudinal pedestal 2, as shown in Figure 2, planar pivot four-bar mechanism 4 comprises by bolt and is coaxially fixed on the base 41 on start cylinder 3 connecting rods, on the top of base 41, horizontally rotate and connect a girt 42, the front end of girt 42 is towards the leading flank horizontal-extending of longitudinal pedestal 2, leading section at girt 42 horizontally rotates then one end of longitudinal tie 43, the other end of longitudinal tie 43 is rotationally connected with the end of the automobile stabilizer bar 5 of horizontally set respectively vertically downward, at the middle part of two girts 42, horizontally rotate respectively and connect a bracing frame 6, between bracing frame 6 and the leading section of girt 42 along axis direction level uniform four pilot holes 44, longitudinal tie 43 is rotatably connected in pilot hole 44 by horizontal bearing pin 45, bracing frame 6 comprises the substrate 61 being flattened on longitudinal pedestal 2 leading flanks, on the edge of substrate 61, have eight open slots 66, open slot 66 is corresponding with longitudinal "T"-shaped groove 21 and horizontal "T"-shaped groove 22 on longitudinal pedestal 2 leading flanks, at open slot 66, be plugged with bolt with in corresponding longitudinal "T"-shaped groove 21 or horizontal "T"-shaped groove 22, the head of bolt is positioned at outside longitudinal "T"-shaped groove 21 or horizontal "T"-shaped groove 22, the afterbody of the bolt nut that spinning, substrate 61 is fastened on longitudinal pedestal 2, an external reinforcing plate for car 62 has be arranged in parallel in the outside of substrate 61, the two ends of external reinforcing plate for car 62 are weldingly connected with substrate 61 by outside link plate 63 and interior web joint 64 respectively, in outside link plate 63 inner sides, vertically fixed a vertical arm-tie 65, vertical arm-tie 65 comprises outer arm-tie 651 and interior arm-tie 652, the lower end of interior arm-tie 652 is flattened on the inner side of outer arm-tie 651, the upper end of interior arm-tie 652 extend internally and and 651 of outer arm-ties form jaws 653, jaws 653 is clamped in the both sides of girt 42 and horizontally rotates and be connected with girt 42, the bottom of outer arm-tie 651 and interior arm-tie 652 fixes on outside link plate 63 by bolted, on the substrate 61 corresponding to external reinforcing plate for car 62 downsides, fixed a holder 7, holder 7 on two bracing frames 6 is symmetrical, the xsect of holder 7 is " U " shape, the opening of the holder 7 of " U " shape is towards substrate 61 and be clamped in the both sides at automobile stabilizer bar 5 middle parts, after the both ends horizontal of holder 7 stretches out, put down on the surface that is against bracing frame 6 and pass through screw fastening, the elastic protecting sleeve of quality of rubber materials is housed between holder 7 and automobile stabilizer bar 5.
During use, according to testing requirements, the output signal in control system is set, two start cylinders 3 can be controlled respectively according to output signal the upper and lower swing in two ends of automobile stabilizer bar 5, when adopting the load spectrum response signal collecting in advance, can complete analog detection go out automobile stabilizer bar 5 in real work state lower stress situation.
Specific embodiment described herein is only to design of the present invention explanation for example.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (9)
1. an automobile stabilizer bar fatigue test board shelf structure, comprise platform (1) and be located at the longitudinal pedestal (2) on platform (1), it is characterized in that: on the platform (1) of described longitudinal pedestal (2) both sides, be arranged with start cylinder (3), start cylinder (3) is connected with control system, on two start cylinders (3), be hinged with respectively planar pivot four-bar mechanism (4), two planar pivot four-bar mechanisms (4) extend perpendicularly to the front side of longitudinal pedestal (2) and are hinged with the two ends of automobile stabilizer bar (5) respectively, the middle part of two planar pivot four-bar mechanisms (4) is hinged on bracing frame (6), bracing frame (6) symmetry is fixed on the front side of longitudinal pedestal (2) and by holder (7), is clamped in respectively the both sides at automobile stabilizer bar (5) middle part, bracing frame (6) comprises substrate (61) and the parallel external reinforcing plate for car (62) of being located at substrate (61) outside, substrate (61) is by the parallel front side that is fixed on longitudinal pedestal (2) of bolt, the two ends of external reinforcing plate for car (62) are fixedly linked with substrate (61) by outside link plate (63) and interior web joint (64) respectively, on outside link plate (63), be vertically fixed with vertical arm-tie (65), vertical arm-tie (65) extends with planar pivot four-bar mechanism (4) and horizontally rotates and be connected vertically upward, on the substrate (61) corresponding to external reinforcing plate for car (62) downside, fixed a holder (7).
2. a kind of automobile stabilizer bar fatigue test board shelf structure according to claim 1, it is characterized in that: described planar pivot four-bar mechanism (4) comprises and is coaxially fixed on the base (41) on start cylinder (3) connecting rod and horizontally rotates the girt (42) being connected on base (41), the front end of girt (42) extends perpendicularly to the front side of longitudinal pedestal (2), leading section at girt (42) horizontally rotates then one end of longitudinal tie (43), the other end of longitudinal tie (43) is rotationally connected with the end horizontal of automobile stabilizer bar (5) vertically downward, support frame as described above (6) horizontally rotates the middle part that is connected to girt (42).
3. a kind of automobile stabilizer bar fatigue test board shelf structure according to claim 2, it is characterized in that: the leading section at described girt (42) is evenly equipped with several pilot holes (44) along axis direction level, and described longitudinal tie (43) is rotatably connected in pilot hole (44) by horizontal bearing pin (45).
4. a kind of automobile stabilizer bar fatigue test board shelf structure according to claim 1, it is characterized in that: described vertical arm-tie (65) comprises outer arm-tie (651) and interior arm-tie (652), the lower end of interior arm-tie (652) is flattened on the inner side of outer arm-tie (651), the upper end of interior arm-tie (652) extend internally and and outer arm-tie (651) between form jaws (653), jaws (653) is clamped in the both sides of girt (42), and the bottom of outer arm-tie (651) and interior arm-tie (652) fixes on outside link plate (63) by bolted.
5. according to a kind of automobile stabilizer bar fatigue test board shelf structure described in claim 1 or 2 or 3, it is characterized in that: on the edge, bottom surface of support frame as described above (6), be provided with several open slots (66), on the leading flank of longitudinal pedestal (2), be evenly equipped with some longitudinal "T"-shaped groove (21) and some the horizontal "T"-shaped grooves (22) corresponding with open slot (66), between open slot (66) and corresponding longitudinal "T"-shaped groove (21) and horizontal "T"-shaped groove (22), be provided with fastening bolt.
6. a kind of automobile stabilizer bar fatigue test board shelf structure according to claim 4, it is characterized in that: on the edge, bottom surface of support frame as described above (6), be provided with several open slots (66), on the leading flank of longitudinal pedestal (2), be evenly equipped with some longitudinal "T"-shaped groove (21) and some the horizontal "T"-shaped grooves (22) corresponding with open slot (66), between open slot (66) and corresponding longitudinal "T"-shaped groove (21) and horizontal "T"-shaped groove (22), be provided with fastening bolt.
7. according to a kind of automobile stabilizer bar fatigue test board shelf structure described in claim 1 or 2 or 3; it is characterized in that: the xsect of described holder (7) is " U " shape; after the both ends horizontal of holder (7) stretches out, put down on the surface that is against bracing frame (6) and by screw fastening, between holder (7) and automobile stabilizer bar (5), be provided with elastic protecting sleeve.
8. a kind of automobile stabilizer bar fatigue test board shelf structure according to claim 6; it is characterized in that: the xsect of described holder (7) is " U " shape; after the both ends horizontal of holder (7) stretches out, put down on the surface that is against bracing frame (6) and by screw fastening, between holder (7) and automobile stabilizer bar (5), be provided with elastic protecting sleeve.
9. according to a kind of automobile stabilizer bar fatigue test board shelf structure described in claim 1 or 2 or 3, it is characterized in that: at described start cylinder (3), be provided with inbuilt displacement sensor and power sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458621.0A CN102645326B (en) | 2011-12-31 | 2011-12-31 | Automotive stabilizer bar fatigue test-bed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458621.0A CN102645326B (en) | 2011-12-31 | 2011-12-31 | Automotive stabilizer bar fatigue test-bed structure |
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| Publication Number | Publication Date |
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| CN102645326A CN102645326A (en) | 2012-08-22 |
| CN102645326B true CN102645326B (en) | 2014-11-12 |
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| CN201110458621.0A Expired - Fee Related CN102645326B (en) | 2011-12-31 | 2011-12-31 | Automotive stabilizer bar fatigue test-bed structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677617B (en) * | 2015-03-04 | 2017-07-11 | 奇瑞汽车股份有限公司 | The bilateral random spectrum load test frock of stabiliser bar and its test method |
| CN105092231B (en) * | 2015-09-08 | 2017-06-27 | 南京理工大学 | Dynamic.Drive universal test stand |
| CN108827653B (en) * | 2018-06-29 | 2023-07-18 | 上汽大众汽车有限公司 | Stabilizer bar assembly strength test device and test method |
| CN111693305A (en) * | 2020-05-25 | 2020-09-22 | 浙江美力汽车弹簧有限公司 | Stabilizer bar durability test device and test method |
| CN112630477B (en) * | 2020-12-25 | 2023-03-14 | 上海捷氢科技股份有限公司 | Testing device for parts of fuel cell system |
| CN117963453B (en) * | 2024-03-28 | 2024-06-07 | 江苏冠宇机械设备制造有限公司 | Automobile manufacturing conveying line with test function |
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|---|---|---|---|---|
| KR20040000165A (en) * | 2002-06-24 | 2004-01-03 | 현대자동차주식회사 | endurance test system of stabilizer for car |
| DE102004004051A1 (en) * | 2004-01-27 | 2005-08-18 | Bayerische Motoren Werke Ag | Test bed arrangement for dynamic testing of at least a motor vehicle component, e.g. a torsion bar stabilizer, has independently displaceable masses that are linked together by a control unit controlled coupling cylinder |
| CN201373809Y (en) * | 2009-01-16 | 2009-12-30 | 天津市大港汽车配件弹簧厂 | Stabilizer bar fatigue testing machine |
| CN201429553Y (en) * | 2009-07-07 | 2010-03-24 | 重庆理工大学 | Axle fatigue test device |
| CN102183700A (en) * | 2011-02-23 | 2011-09-14 | 河南科技大学 | Controllable loading spectrum hydraulic loading method and loading device therefor |
| CN102252920A (en) * | 2011-04-28 | 2011-11-23 | 株洲时代新材料科技股份有限公司 | Three-way coordinative loading testing method and device for torsion bar system |
-
2011
- 2011-12-31 CN CN201110458621.0A patent/CN102645326B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040000165A (en) * | 2002-06-24 | 2004-01-03 | 현대자동차주식회사 | endurance test system of stabilizer for car |
| DE102004004051A1 (en) * | 2004-01-27 | 2005-08-18 | Bayerische Motoren Werke Ag | Test bed arrangement for dynamic testing of at least a motor vehicle component, e.g. a torsion bar stabilizer, has independently displaceable masses that are linked together by a control unit controlled coupling cylinder |
| CN201373809Y (en) * | 2009-01-16 | 2009-12-30 | 天津市大港汽车配件弹簧厂 | Stabilizer bar fatigue testing machine |
| CN201429553Y (en) * | 2009-07-07 | 2010-03-24 | 重庆理工大学 | Axle fatigue test device |
| CN102183700A (en) * | 2011-02-23 | 2011-09-14 | 河南科技大学 | Controllable loading spectrum hydraulic loading method and loading device therefor |
| CN102252920A (en) * | 2011-04-28 | 2011-11-23 | 株洲时代新材料科技股份有限公司 | Three-way coordinative loading testing method and device for torsion bar system |
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