CN102645326A - Automotive stabilizer bar fatigue test-bed structure - Google Patents
Automotive stabilizer bar fatigue test-bed structure Download PDFInfo
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- CN102645326A CN102645326A CN2011104586210A CN201110458621A CN102645326A CN 102645326 A CN102645326 A CN 102645326A CN 2011104586210 A CN2011104586210 A CN 2011104586210A CN 201110458621 A CN201110458621 A CN 201110458621A CN 102645326 A CN102645326 A CN 102645326A
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- stabilizer bar
- tie
- automobile stabilizer
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 77
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 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 36
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000009661 fatigue test Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001771 impaired effect Effects 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
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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 torture test horse structure, relate in particular to a kind of good stability, but analog detection goes out the automobile stabilizer bar torture test horse structure of automobile stabilizer bar in real work state lower stress situation.
Background technology
Automobile stabilizer bar is one of parts important in the automobile making process; It is in order to prevent the elastic component of automobile serious inclination in the turning process; And index fatigue lifetime of automobile stabilizer bar is one of main project of its performance quality of checking; Favorable durability is not only the basis of vehicle safety travel, and can satisfy 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 torture test mechanism generally is an end of fixing automobile stabilizer bar; The other end of automobile stabilizer bar reverses with reversing the cylinder swing; Promptly an end of automobile stabilizer bar is doubled amplitude and reverse, and the two ends of automobile stabilizer bar are that anti-phase is reversed in actual use, so the stress of automobile stabilizer bar does not conform to the actual conditions; And test the time can only be imported the definite value driving parameter; Promptly can't be employed in the loading spectrum of gathering at the testing field and drive, so the poor accuracy of test figure, reliable data can't be provided for the design of automobile stabilizer bar.
Chinese patent discloses a kind of stabilizer bar fatigue tester (CN201373809Y); It is made up of Motorized drive unit, main body frame; Wherein Motorized drive unit is made up of belt pulley, transmission shaft and the runner installed at the transmission shaft two ends; The connecting link that one of them runner is installed is set for the eccentric; Two runners respectively through connecting link, fork and pull bar be installed on the main body framework frame on the movable slider installed of symmetry, sensor is installed on movable slider, main body frame is made up of lock bracket and slider bracket.When adopting this fatigue tester to make an experiment; The two ends of automobile stabilizer bar directly connect cylinder through transmission shaft and drive, and the two ends of automobile stabilizer bar are connected on the runner, because one of them runner is connected with connecting link is eccentric; The relative other end swing of an end that during test is automobile stabilizer bar is equally reversed; Promptly an end of automobile stabilizer bar is doubled amplitude and reverse, therefore exist the stress of automobile stabilizer bar not conform to the actual conditions equally, and also be to import the definite value driving parameter during test; Promptly can't be employed in the loading spectrum of gathering at the testing field drives; The poor accuracy that causes test figure can't provide technical matterss such as reliable data for the design of automobile stabilizer bar, simultaneously since 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 provided a kind of good stability; But analog detection goes out automobile stabilizer bar in real work state lower stress situation; The automobile stabilizer bar torture test horse structure that the accuracy of test figure is high; The stress of automobile stabilizer bar does not conform to the actual conditions when having solved the torture test that exists in the prior art, the test unit poor stability, and the loading spectrum that can't adopt the testing field to gather drives; The poor accuracy that causes test figure can't provide the technical matters of reliable data etc. for the design of automobile stabilizer bar.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: a kind of automobile stabilizer bar torture test horse structure; Comprise platform and be located at the vertical pedestal on the platform; On the platform of said vertical pedestal both sides, be arranged with cylinder; Cylinder links to each other with control system; On two cylinder, be hinged with planar pivot four-bar mechanism respectively; Two planar pivot four-bar mechanisms extend perpendicularly to the front side of vertical pedestal and are hinged with the two ends of automobile stabilizer bar respectively, are hinged on the bracing frame at the middle part of two planar pivot four-bar mechanisms, and the bracing frame symmetry is fixed on the front side of vertical pedestal and is clamped in the both sides at automobile stabilizer bar middle part respectively through holder.Through the left-right symmetric fixing support rack in vertical pedestal front side of platform, bracing frame grasps the both sides at automobile stabilizer bar middle part again through holder, and it is corresponding to guarantee to be used for fixing on holder and the automobile stabilizer bar pressing plate position of automobile stabilizer bar; Horizontally hinged again the end in the two ends of automobile stabilizer bar at two symmetrically arranged planar pivot four-bar mechanisms; The other end of planar pivot four-bar mechanism is horizontally hinged again, and the middle part of planar pivot four-bar mechanism is hinged on the bracing frame on two symmetrically arranged cylinder, makes bracing frame become the fulcrum of planar pivot four-bar mechanism; Simple in structure; Good stability guarantees that the installment state of automobile stabilizer bar conforms to actual user mode, and cylinder swings up and down according to testing requirements during use; Road load through input in the control system of cylinder collects is in advance composed response signal; Control system promptly drives cylinder according to road load spectrum response signal, the real conditions when having reproduced the automobile stabilizer bar road driving, thereby but analog detection goes 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; Said planar pivot four-bar mechanism comprises and coaxially is fixed on the base on the cylinder connecting rod and horizontally rotates the girt that is connected on the base; The front end of girt extends perpendicularly to the front side of vertical pedestal; Horizontally rotate a then end of longitudinal tie at the leading section of girt, 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 girt.Planar pivot four-bar mechanism is simple in structure, the vertical two ends that are positioned at girt of the connecting rod of cylinder with longitudinal tie, and three and automobile stabilizer bar constitute square structure, and the longitudinal tie in the structure remains plumbness, so kinetic stability and security are good.
As more preferably, be evenly equipped with several pilot holes at the leading section of said girt along the axis direction level, said longitudinal tie is rotatably connected in the pilot hole through horizontal bearing pin.When the automobile stabilizer bar of different size is made an experiment, regulate the front and back position of longitudinal tie through pilot hole, guarantee that the longitudinal tie in the structure remains plumbness, trafficability characteristic is good.
As preferably; Bracing frame comprises substrate and the parallel outer stiffening plate of being located at the substrate outside; Substrate is through the front side of bolt secured in parallel at vertical pedestal; The two ends of outer stiffening plate are fixedly linked through outside link plate and interior web joint and substrate respectively, and vertical fixing has vertical arm-tie on outside link plate, and vertical arm-tie extends vertically upward to horizontally rotate with planar pivot four-bar mechanism and is connected.The outside link plate of outer stiffening plate and both sides and interior web joint can improve the intensity of bracing frame under the situation of equivalent weight.
As more preferably; Said vertical arm-tie comprises outer arm-tie and interior arm-tie; The lower end of interior arm-tie is flattened on the inboard of outer arm-tie; The upper end of interior arm-tie extend internally and and interior arm-tie between form folder mouthful, the folder mouth is clamped in the both sides of girt, the bottom of outer arm-tie and interior arm-tie fixes on the outside link plate through bolted.The vertical arm-tie that constitutes through outer arm-tie and interior arm-tie is clamped in the both sides of girt, and intensity is high, and is 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 vertical pedestal, be evenly equipped with some vertical " T " shape grooves corresponding and some horizontal " T " shape grooves, between open slot and corresponding " T " shape groove and some horizontal " T " shape grooves, be provided with fastening bolt with open slot.Through on the installed surface of vertical pedestal, many vertical " T " shape grooves being set and laterally " T " shape groove is corresponding with the open slot on the bracing frame, make things convenient for adjusting and fixing support rack.
As preferably, the xsect of said holder is " U " shape, and the both ends horizontal of holder stretches out on the flat surface that is against bracing frame, back and be fastening through screw, between holder and automobile stabilizer bar, is provided with the resilient protection cover.Adopt the holder of " U " shape to grip automobile stabilizer bar, fixed form is simply firm, the resilient protection cover is set between holder and automobile stabilizer bar can protects the automobile stabilizer bar surface impaired, makes the trystate of automobile stabilizer bar and user mode in full accord.
Also can post foil gauge,, be provided with inbuilt displacement sensor and force transducer in said cylinder as preferably on the automobile stabilizer bar surface.Guarantee that cylinder goes out with the close response signal of road load spectrum of gathering to drive cylinder through the iterative software iteration.
Therefore, a kind of automobile stabilizer bar torture test horse structure of the present invention has following advantage:
1) planar pivot four-bar mechanism guarantees that device can stably work;
2) two cylinder drive, and can import road loading spectrum signal, improve the 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.
Description of drawings:
Fig. 1 is the structural representation of a kind of automobile stabilizer bar torture test of the present invention horse structure;
Fig. 2 is a left view shown in Figure 1.
Embodiment:
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:
As shown in Figure 1, a kind of automobile stabilizer bar torture test horse structure of the present invention comprises a square platform 1; On platform 1 through the bolt vertical fixing a vertical pedestal 2, at the vertical leading flank of pedestal 2 evenly distributed seven vertical " T " shape grooves 21 and ten horizontal " T " shape grooves 22, symmetry has been installed two cylinder 3 on the platform 1 of vertical pedestal 2 both sides; Cylinder 3 links to each other with control system, and the connecting rod that on cylinder 3, has inbuilt displacement sensor and 8, two cylinder 3 of force transducer vertically upward; 4, two planar pivot four-bar mechanisms 4 of a planar pivot four-bar mechanism that are rotationally connected respectively in the end of connecting rod extend to the front side of vertical pedestal 2, and two planar pivot four-bar mechanisms 4 all keep vertical with the leading flank of vertical pedestal 2; As shown in Figure 2, planar pivot four-bar mechanism 4 comprises through the coaxial base 41 that is fixed on cylinder 3 connecting rods of bolt, horizontally rotates on the top of base 41 to connect a girt 42; The front end of girt 42 is towards the leading flank horizontal-extending of vertical pedestal 2, horizontally rotates a then end of longitudinal tie 43 at the leading section of girt 42, and 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; Horizontally rotate bracing frame 6 of connection respectively at the middle part of two girts 42; Between the leading section of bracing frame 6 and girt 42, be uniformly distributed with four pilot holes 44 along the axis direction level, longitudinal tie 43 is rotatably connected in the pilot hole 44 through horizontal bearing pin 45, and bracing frame 6 comprises the substrate 61 that is flattened on vertical pedestal 2 leading flanks; On the edge of substrate 61, have eight open slots 66; Vertical " T " shape groove 21 on open slot 66 and vertical pedestal 2 leading flanks is with laterally " T " shape groove 22 is corresponding, in open slot 66 and corresponding vertical " T " shape groove 21 or horizontal " T " shape groove 22, is plugged with bolt, in the head of bolt " T " shape groove 21 or horizontal " T " shape groove 22; Afterbody at bolt is screwed in nut; Substrate 61 is fastened on vertical pedestal 2, the stiffening plate 62 outside that laterally arranged in the outside of substrate 61, the two ends of outer stiffening plate 62 are weldingly connected with substrate 61 through outside link plate 63 and interior web joint 64 respectively; In outside link plate 63 inboard vertical fixing a vertical arm-tie 65; Vertical arm-tie 65 comprises outer arm-tie 651 and interior arm-tie 652, and the lower end of interior arm-tie 652 is flattened on the inboard of outer arm-tie 651, the upper end of interior arm-tie 652 extend internally and and 652 of interior arm-ties form and press from both sides mouth 653; Folder mouthfuls 653 is clamped in the both sides of girt 42 and horizontally rotates with girt 42 and is connected; The bottom of outer arm-tie 651 and interior arm-tie 652 fixes on the outside link plate 63 through bolted, is symmetrically distributed at the holder of having fixed on the substrate 61 corresponding to stiffening plate 62 downsides on 7, two bracing frames 6 of a holder 7; 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, and the both ends horizontal of holder 7 stretches out on the flat surface that is against bracing frame 6, back and be fastening through screw, and the resilient protection cover of rubber material is housed between holder 7 and automobile stabilizer bar 5.
During use; According to testing requirements the output signal on the control system is set; Two cylinder 3 can be according to the upper and lower swing in two ends of Control of Automobile stabilizer bar 5 respectively of output signal; When adopting the road load spectrum response signal that collects in advance, can complete analog detection go out automobile stabilizer bar 5 in real work state lower stress situation.
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes 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 (10)
1. automobile stabilizer bar torture test horse structure; Comprise platform (1) and be located at the vertical pedestal (2) on the platform (1); It is characterized in that: on the platform (1) of said vertical pedestal (2) both sides, be arranged with cylinder (3); Cylinder (3) links to each other with control system; On two cylinder (3), be hinged with planar pivot four-bar mechanism (4) respectively; Two planar pivot four-bar mechanisms (4) extend perpendicularly to the front side of vertical pedestal (2) and are hinged with the two ends of automobile stabilizer bar (5) respectively, are hinged on the bracing frame (6) at the middle part of two planar pivot four-bar mechanisms (4), and bracing frame (6) symmetry is fixed on the front side of vertical pedestal (2) and is clamped in the both sides in the middle part of the automobile stabilizer bar (5) through holder (7) respectively.
2. a kind of automobile stabilizer bar torture test horse structure according to claim 1; It is characterized in that: said planar pivot four-bar mechanism (4) comprises and coaxially is fixed on the base (41) on cylinder (3) connecting rod and horizontally rotates the girt (42) that is connected on the base (41); The front end of girt (42) extends perpendicularly to the front side of vertical pedestal (2); Leading section at girt (42) horizontally rotates a then 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, and support frame as described above (6) horizontally rotates the middle part that is connected girt (42).
3. a kind of automobile stabilizer bar torture test horse structure according to claim 2; It is characterized in that: the leading section at said girt (42) is evenly equipped with several pilot holes (44) along the axis direction level, and said longitudinal tie (43) is rotatably connected in the pilot hole (44) through horizontal bearing pin (45).
4. according to claim 1 or 2 or 3 described a kind of automobile stabilizer bar torture test horse structures; It is characterized in that: bracing frame (6) comprises substrate (61) and the parallel outer stiffening plate (62) of being located at substrate (61) outside; Substrate (61) is through the front side of bolt secured in parallel at vertical pedestal (2); The two ends of outer stiffening plate (62) are fixedly linked with substrate (61) through outside link plate (63) and interior web joint (64) respectively; Going up vertical fixing at outside link plate (63) has vertical arm-tie (65), and vertical arm-tie (65) extends vertically upward to horizontally rotate with planar pivot four-bar mechanism (4) and is connected.
5. a kind of automobile stabilizer bar torture test horse structure according to claim 4; It is characterized in that: said 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 inboard of outer arm-tie (651); The upper end of interior arm-tie (652) extend internally and and interior arm-tie (652) between form folder mouthful (653); Folder mouthful (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 the outside link plate (63) through bolted.
6. according to claim 1 or 2 or 3 described a kind of automobile stabilizer bar torture test horse structures; 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 vertical pedestal (2), be evenly equipped with some vertical " T " shape grooves (21) corresponding and some horizontal " T " shape grooves (22), between open slot (66) and corresponding " T " shape groove (21) and horizontal " T " shape groove (22), be provided with fastening bolt with open slot (66).
7. a kind of automobile stabilizer bar torture test horse structure according to claim 5; 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 vertical pedestal (2), be evenly equipped with some vertical " T " shape grooves (21) corresponding and some horizontal " T " shape grooves (22), between open slot (66) and corresponding " T " shape groove (21) and horizontal " T " shape groove (22), be provided with fastening bolt with open slot (66).
8. according to claim 1 or 2 or 3 described a kind of automobile stabilizer bar torture test horse structures; It is characterized in that: the xsect of said holder (7) is " U " shape; The both ends horizontal of holder (7) stretches out on the flat surface that is against bracing frame (6), back and is fastening through screw, between holder (7) and automobile stabilizer bar (5), is provided with the resilient protection cover.
9. a kind of automobile stabilizer bar torture test horse structure according to claim 7; It is characterized in that: the xsect of said holder (7) is " U " shape; The both ends horizontal of holder (7) stretches out on the flat surface that is against bracing frame (6), back and is fastening through screw, between holder (7) and automobile stabilizer bar (5), is provided with the resilient protection cover.
10. according to claim 1 or 2 or 3 described a kind of automobile stabilizer bar torture test horse structures, it is characterized in that: be provided with inbuilt displacement sensor and force transducer (8) in said cylinder (3).
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CN201110458621.0A CN102645326B (en) | 2011-12-31 | 2011-12-31 | Automotive stabilizer bar fatigue test-bed structure |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104677617A (en) * | 2015-03-04 | 2015-06-03 | 奇瑞汽车股份有限公司 | Stabilizer bar two-side stochastic spectrum loading test tool and test method thereof |
CN105092231A (en) * | 2015-09-08 | 2015-11-25 | 南京理工大学 | General test bed of dynamic drives |
CN108827653A (en) * | 2018-06-29 | 2018-11-16 | 上汽大众汽车有限公司 | Stabiliser 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 |
CN112630477A (en) * | 2020-12-25 | 2021-04-09 | 上海捷氢科技有限公司 | Testing device for parts of fuel cell system |
CN117963453A (en) * | 2024-03-28 | 2024-05-03 | 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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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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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 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104677617A (en) * | 2015-03-04 | 2015-06-03 | 奇瑞汽车股份有限公司 | Stabilizer bar two-side stochastic spectrum loading test tool and test method thereof |
CN105092231A (en) * | 2015-09-08 | 2015-11-25 | 南京理工大学 | General test bed of dynamic drives |
CN108827653A (en) * | 2018-06-29 | 2018-11-16 | 上汽大众汽车有限公司 | Stabiliser bar assembly strength test device and test method |
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 |
CN112630477A (en) * | 2020-12-25 | 2021-04-09 | 上海捷氢科技有限公司 | Testing device for parts of fuel cell system |
CN117963453A (en) * | 2024-03-28 | 2024-05-03 | 江苏冠宇机械设备制造有限公司 | Automobile manufacturing conveying line with test function |
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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Granted publication date: 20141112 |