CN204359539U - A kind of Multi-axial Loading axle assembly long duration test stand - Google Patents

A kind of Multi-axial Loading axle assembly long duration test stand Download PDF

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Publication number
CN204359539U
CN204359539U CN201420791185.8U CN201420791185U CN204359539U CN 204359539 U CN204359539 U CN 204359539U CN 201420791185 U CN201420791185 U CN 201420791185U CN 204359539 U CN204359539 U CN 204359539U
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China
Prior art keywords
vertical
loading
tripod
break
axle assembly
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Withdrawn - After Issue
Application number
CN201420791185.8U
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Chinese (zh)
Inventor
董恒
刘雅琳
李钊
田崇
程海波
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Brilliance Auto Group Holding Co Ltd
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Brilliance Auto Group Holding Co Ltd
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Priority to CN201420791185.8U priority Critical patent/CN204359539U/en
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Abstract

The utility model provides a kind of Multi-axial Loading axle assembly long duration test stand, solves the problem that traditional axle assembly long duration test table apparatus can only load axle assembly at single direction.It comprises longitudinal charger, vertical loading device and horizontal charger, these three groups of chargers can load axle assembly simultaneously, and the structure often organizing charger is all by the tailpiece of the piston rod of break-in tripod and actuator and to load guiding parts hinged, hinged break-in tripod is utilized to change the force direction of actuator cleverly, three actuator axially arranged can be made to work to the wheel loading on axle assembly simultaneously, and this structure is saved and make use of the limited base space of testing table, can at Multi-shaft square to carrying out load test to axle assembly simultaneously, the stressing conditions of simulating wheel vehicle bridge under Real-road Driving Cycle, condition is provided to loading is stressed for test detecting equipment detects multiaxis simultaneously, structure is simple, Reality simulation, easy accessibility.

Description

A kind of Multi-axial Loading axle assembly long duration test stand
Technical field
The utility model relates to automotive axle assembly test unit, particularly a kind of Multi-axial Loading axle assembly long duration test stand, for simulate various road conditions to the multiaxis of axle assembly to, namely longitudinally, the loading of transverse direction and vertical direction.
Background technology
Along with the development of auto industry, the long duration test of automotive axle assembly is particularly important in automobile making link, before automotive axle assembly comprises, rear axle assy, its long duration test is to its longitudinal force, the load test in three directions of side force and vertical forces, at present, domestic independent brand automobile factory is to front, rear axle assy loading long duration test all adopts the one direction load mode under single operating mode to carry out, as vertical operating mode loads, damped condition loads, steering situation loading etc., use test-bed can only respectively at single direction to front, rear axle assy loads, and be directly axle assembly is loaded, therefore this test fully can not reflect the stressing conditions of wheel axle assembly under Real-road Driving Cycle, certain limitation is had to rig test result.
Existing axle assembly one direction load test stand, as shown in Figure 1, comprise one end and be fixed on actuator 51 on testing table, the tailpiece of the piston rod of actuator is hinged with load plate 52, and being fixed on axle assembly 9 by this load plate, axle assembly is fixed on suspension holder 53 by suspension 8.This test-bed device can only apply acting force to axle assembly in a single direction, and the parts applying acting force are connected directly between the end of vehicle bridge, in actual travel, be subject to external force with automotive wheel to load and do not conform to, the stressing conditions of wheel in true road surface can not be imitated.
Notification number is that the vehicle rear axle assembly test vertical force charger of CN202836980U and notification number are the vehicle rear axle assembly side of CN202757783U, longitudinal force experiment loading unit utility model patent also merely stated that in single direction power vehicle rear axle assembly charger, and logical loading arm is directly connected with axle assembly test specimen, can not reflect that the true travel conditions of wheel is to the load condition of axle assembly, therefore collection and measurement data bring difficulty under such conditions, make test result depart from truth, affect the project organization that axle assembly reaches best.
Summary of the invention
The purpose of this utility model is to provide a kind of Multi-axial Loading axle assembly long duration test stand, solve traditional axle assembly long duration test table apparatus to load axle assembly at single direction, can not the problem of real simulation wheel axle assembly stressing conditions under Real-road Driving Cycle.It can at Multi-shaft square to carrying out load test to axle assembly simultaneously, the stressing conditions of simulating wheel vehicle bridge under Real-road Driving Cycle, and provide condition for test detecting equipment detects multiaxis simultaneously to loading is stressed, structure is simple, Reality simulation, easy accessibility.
The technical solution of the utility model is: a kind of Multi-axial Loading axle assembly long duration test stand, comprise: be fixed on the charger on testing table base and axle assembly bearing, its technical essential is: axle assembly holder top is installed with axle assembly erecting frame, and described charger comprises longitudinal charger, vertical loading device and horizontal charger;
Wherein, longitudinal charger comprises the longitudinal actuator be fixed on longitudinal actuator bearing, vertical break-in tripod and longitudinally loads guide rod, the vertical longitudinal bracing end of break-in tripod and the upper end thereof of vertical actuator bearing, two free ends of vertical break-in tripod are hinged with the guide end longitudinally loading guide rod with the tailpiece of the piston rod of longitudinal actuator respectively, and the pressure end longitudinally loading guide rod is hinged with longitudinal vehicle wheel pressing plate;
Vertical loading device comprises the vertical actuator being fixed on vertical actuator bearing bottom, vertical break-in tripod and vertical loading guiding trestle, the vertical support end of vertical break-in tripod is hinged on vertical break-in tripod-seat, vertical actuator tailpiece of the piston rod is through longitudinal actuator bearing lower passage hinged with a free end of vertical break-in tripod, another freedom of vertical break-in tripod and the lower end of vertical loading guiding trestle hinged, vertical loading guiding trestle upper end arranges side direction wheel pressing plate;
Horizontal charger comprises the horizontal actuator be fixed on horizontal actuator bearing, horizontal break-in tripod and laterally loads guide rod, cross-brace end and the horizontal break-in tripod-seat of horizontal break-in tripod are hinged, two free ends of horizontal break-in tripod are hinged with the guide end laterally loading guide rod with the tailpiece of the piston rod of horizontal actuator respectively, and the pressure end and the described side direction wheel pressing plate that laterally load guide rod are hinged.
The triangular supports composition that described vertical break-in tripod, vertical break-in tripod and horizontal break-in tripod be arranged in parallel by two groups, corresponding three ends of these two groups of triangular supports are fixedly connected with by connecting rod.
Described vertical loading guiding trestle and laterally loading guide rod pass through vertical loading evener connection side to wheel pressing plate, described vertical loading evener comprises the evener body be assembled into by side plate and top board, the left and right two ends of this evener body are fixed in the upper end of vertical loading guiding trestle by ball pivot and coupling bolt, the side plate laterally loading pilot pressure end and vertical loading evener is hinged, and described side direction wheel pressing plate is arranged on the top board of vertical loading evener.
The good effect that the utility model has is: owing to arranging longitudinal charger, vertical loading device and horizontal charger, these three groups of chargers can load axle assembly simultaneously, and the structure often organizing charger is all by the tailpiece of the piston rod of break-in tripod and actuator and to load guiding parts hinged, vertical actuator bearing doubles as vertical break-in tripod-seat, vertical actuator tailpiece of the piston rod is through longitudinal actuator bearing lower passage hinged with a free end of vertical break-in tripod, hinged break-in tripod is utilized to change the force direction of actuator cleverly, three actuator axially arranged can be made to work to the wheel loading on axle assembly simultaneously, and this structure is saved and make use of the limited base space of testing table, be installed with axle assembly erecting frame by axle assembly holder top during work experiment the suspension of car body and vehicle bridge suspension are fixed, be crimped on wheel by longitudinal vehicle wheel pressing plate and side direction wheel pressing plate simultaneously, can really simulated automotive travel various road conditions to the loading of axle assembly.These three groups of chargers can self-movement, under the driving of testing table control device, can utilize the dynamic load conditions of the simple directly each parts of monitoring in real time of test detecting equipment, and export phase data, be convenient to follow-up data analysis.The more complete multiaxis loading reappeared suffered by wheel, under the different operating modes of abundant simulating vehicle in actual road test process, the load stressing conditions of parts, if the road surface under the various operating modes such as damped condition, steering situation, vertical jitter operating mode, distortion road, sandstone road, Block Road is to the input of wheel, improve the simulation correlativity of endurancing, actual road test and test-bed are realized close linking together, more completely reflection automobile actual conditions in actual road test.For bench run detects condition of providing convenience, particularly be importantly that such test repeatability is good, not by the impact of the factors such as personnel, weather and environment, a large amount of manpower and materials can also be saved and reduce cost, shorten the test period, achieve multiaxis and make the road long duration test of simulation skid pad to loading durable test stand.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is existing axle assembly one direction load test horse structure schematic diagram;
Fig. 2 is the one-piece construction schematic diagram of assembled state of the present utility model;
Fig. 3 is the structural drawing that axle assembly floor installation of the present utility model has axle assembly;
Fig. 4 is three groups of charger assembled state structural drawing of the present utility model;
Fig. 5 is longitudinal charger of the present utility model and vertical loading device assembled state structural drawing;
Fig. 6 is wheel pressing plate working state structure figure of the present utility model;
Fig. 7 is the longitudinal sectional view of Fig. 6.
In figure, sequence number illustrates: 1 axle assembly erecting frame, 2 axle assembly bearings, 3 bases, 4 longitudinal chargers, 5 vertical loading devices, 6 horizontal chargers, 7 mounting holes, 8 suspensions, 9 axle assemblies, 10 wheel hubs, 11 vertical loading eveners, 12 side direction wheel pressing plates, 13 longitudinal vehicle wheel pressing plates, 14 top boards, 15 side plates, 16 ball pivots, 17 coupling bolts, 20 longitudinal actuator bearings, 21 longitudinal actuator, 22 vertical break-in tripods, 23 longitudinally load guide rod, 24 longitudinal bracing ends, the tailpiece of the piston rod of 25 longitudinal actuator, 26 longitudinal guide ends loading guide rod, 27 longitudinal pressure end loading guide rod, 30 vertical actuator bearings, 31 vertical actuator, 32 vertical break-in tripods, 33 vertical loading guiding trestles, 34 vertical break-in tripod-seats, 35 vertical actuator tailpieces of the piston rod, 36 vertical support ends, 40 horizontal actuator bearings, 41 horizontal actuator, 42 horizontal break-in tripods, 43 laterally load guide rod, 44 horizontal break-in tripod-seats, the tailpiece of the piston rod of 45 horizontal actuator, the 46 horizontal guide ends loading guide rod, the 47 horizontal pressure end loading guide rod, 48 cross-brace ends, 51 actuator, 52 load plate, 53 suspension holders.
Embodiment
Concrete structure of the present utility model is described in detail according to Fig. 2 ~ 7.As shown in Figures 2 and 3, a kind of Multi-axial Loading axle assembly long duration test stand, testing table base 3 is fixed with axle assembly bearing 2, axle assembly holder top is installed with axle assembly erecting frame 1, and charger fixing on testing table base comprises longitudinal charger 4, vertical loading device 5 and horizontal charger 6.Described axle assembly bearing 2 is three, and is oppositely arranged, and axle assembly bearing has certain altitude, and sidewall arranges multiple mounting hole 7, for axle assembly erecting frame 1 being installed in the mounting hole 7 of the opposite face of these three axle assembly bearings 2.During experiment work, automotive axle assembly 9 is fixed on axle assembly erecting frame 1 by suspension 8, and assembling wheels hub 10.
Longitudinal charger comprises the longitudinal actuator 21 be fixed on longitudinal actuator bearing 20, vertical break-in tripod 22 and longitudinally loads guide rod 23 as shown in Figures 4 and 5, and vertical break-in tripod 22 comprises a longitudinal bracing end 24 and two free ends.More specifically, described vertical break-in tripod 22 is made up of the triangular supports that two groups be arranged in parallel, and corresponding three ends of these two groups of triangular supports are fixedly connected with by connecting rod.The longitudinal bracing end 24 of vertical break-in tripod 22 and the upper end thereof of vertical actuator bearing 30, the double bearing making vertical break-in tripod of this vertical actuator bearing 30, two free ends of vertical break-in tripod 22 are hinged with the guide end 26 longitudinally loading guide rod with the tailpiece of the piston rod 25 of longitudinal actuator respectively, and the pressure end 27 longitudinally loading guide rod is hinged with longitudinal vehicle wheel pressing plate 13; Longitudinal actuator cylinder body and longitudinal direction load the angle being formed between guide rod and be less than 90 degree, save space.
Vertical loading device comprises the vertical actuator 31 being fixed on vertical actuator bearing bottom, vertical break-in tripod 32 and vertical loading guiding trestle 33, vertical break-in tripod 32 comprises a vertical support end 38 and two free ends, vertical described in this vertical break-in three-legged structure break-in tripod structure is identical is also made up of two groups of parallel triangle fixed mounts, and corresponding three ends of these two groups of triangular supports are fixedly connected with by connecting rod.The vertical support end 36 of vertical break-in tripod 32 is hinged on vertical break-in tripod-seat 34, cavity is provided with between longitudinal actuator bearing 20 middle and lower part, form passage, vertical actuator tailpiece of the piston rod 35 is hinged with a free end of vertical break-in tripod 32 through longitudinal actuator bearing 20 lower passage, another freedom of vertical break-in tripod and the lower end of vertical loading guiding trestle 33 hinged, vertical loading guiding trestle upper end arranges side direction wheel pressing plate 12.
Horizontal charger comprises the horizontal actuator 41 be fixed on horizontal actuator bearing 40, horizontal break-in tripod 42 and laterally loads guide rod 43, and horizontal break-in tripod 42 comprises a cross-brace end 48 and two free ends.The structure of horizontal break-in tripod is identical with aforementioned two groups of tripod structures.The cross-brace end 48 of horizontal break-in tripod is hinged with horizontal break-in tripod-seat 44, two free ends of horizontal break-in tripod 42 are hinged with the guide end 46 laterally loading guide rod with the tailpiece of the piston rod 45 of horizontal actuator respectively, and the pressure end 47 laterally loading guide rod is hinged with described side direction wheel pressing plate 12.Horizontal actuator cylinder body and transverse direction load the angle being formed between guide rod and be less than 90 degree, save space.
Further, as shown in Figures 4 and 5, vertical loading guiding trestle 33 and laterally loading guide rod 43 pass through vertical loading evener 11 connection side to wheel pressing plate 12, described vertical loading evener 11 comprises the evener body be assembled into by side plate 15 and top board 14, the left and right two ends of this evener body are fixed in the upper end of vertical loading guiding trestle 33 by ball pivot 16 and coupling bolt 17, the pressure end 47 laterally loading guide rod is hinged with the side plate 15 of vertical loading evener, and described side direction wheel pressing plate 12 is arranged on the top board 14 of vertical loading evener.
As shown in Figures 6 and 7, longitudinal vehicle wheel pressing plate 13 and side direction wheel pressing plate 12 are formed, for firm grip hub for vehicle wheel 10 by inside and outside two laminates.
The course of work: as shown in Figures 2 to 4, first will be fixed on axle assembly erecting frame 1 by suspension 8 with the automobile front axle of wheel hub or rear axle assy, axle assembly erecting frame is fixed on the mounting hole 7 of axle assembly bearing, axle assembly is fixed, then the side direction wheel pressing plate 12 of the longitudinal vehicle of longitudinal charger wheel pressing plate 13 and vertical loading device is clamped on wheel hub 10, after fixing, adopt conventional checkout equipment, comprise data actuation, sensing device, Hydrauservo System and control device, in the position that all directions load response of axle assembly 9 is responsive, the position of easy generation crackle, the larger position etc. of cae analysis damage arranges foil gauge, connect sensing device.The actuator being controlled longitudinal charger, vertical loading device and horizontal charger by Hydrauservo System and control device is worked simultaneously, and utilize turning to of each break-in tripod to promote to load guide pole or load guiding trestle to apply pressure to wheel, move to axle assembly loading under the actual condition of simulated automotive, the final various detection data realized needed for collection.

Claims (3)

1. a Multi-axial Loading axle assembly long duration test stand, it comprises: be fixed on the charger on testing table base and axle assembly bearing, it is characterized in that: axle assembly holder top is installed with axle assembly erecting frame, described charger comprises longitudinal charger, vertical loading device and horizontal charger;
Wherein, longitudinal charger comprises the longitudinal actuator be fixed on longitudinal actuator bearing, vertical break-in tripod and longitudinally loads guide rod, the vertical longitudinal bracing end of break-in tripod and the upper end thereof of vertical actuator bearing, two free ends of vertical break-in tripod are hinged with the guide end longitudinally loading guide rod with the tailpiece of the piston rod of longitudinal actuator respectively, and the pressure end longitudinally loading guide rod is hinged with longitudinal vehicle wheel pressing plate;
Vertical loading device comprises the vertical actuator being fixed on vertical actuator bearing bottom, vertical break-in tripod and vertical loading guiding trestle, the vertical support end of vertical break-in tripod is hinged on vertical break-in tripod-seat, vertical actuator tailpiece of the piston rod is through longitudinal actuator bearing lower passage hinged with a free end of vertical break-in tripod, another freedom of vertical break-in tripod and the lower end of vertical loading guiding trestle hinged, vertical loading guiding trestle upper end arranges side direction wheel pressing plate;
Horizontal charger comprises the horizontal actuator be fixed on horizontal actuator bearing, horizontal break-in tripod and laterally loads guide rod, cross-brace end and the horizontal break-in tripod-seat of horizontal break-in tripod are hinged, two free ends of horizontal break-in tripod are hinged with the guide end laterally loading guide rod with the tailpiece of the piston rod of horizontal actuator respectively, and the pressure end and the described side direction wheel pressing plate that laterally load guide rod are hinged.
2. Multi-axial Loading axle assembly long duration test stand according to claim 1, it is characterized in that: the triangular supports composition that described vertical break-in tripod, vertical break-in tripod and horizontal break-in tripod be arranged in parallel by two groups, corresponding three ends of these two groups of triangular supports are fixedly connected with by connecting rod.
3. Multi-axial Loading axle assembly long duration test stand according to claim 1, it is characterized in that: described vertical loading guiding trestle and laterally loading guide rod pass through vertical loading evener connection side to wheel pressing plate, described vertical loading evener comprises the evener body be assembled into by side plate and top board, a left side for this evener body, right two ends are fixed in the upper end of vertical loading guiding trestle by ball pivot and coupling bolt, the side plate laterally loading pilot pressure end and vertical loading evener is hinged, described side direction wheel pressing plate is arranged on the top board of vertical loading evener.
CN201420791185.8U 2014-12-15 2014-12-15 A kind of Multi-axial Loading axle assembly long duration test stand Withdrawn - After Issue CN204359539U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420791185.8U CN204359539U (en) 2014-12-15 2014-12-15 A kind of Multi-axial Loading axle assembly long duration test stand

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535335A (en) * 2014-12-15 2015-04-22 华晨汽车集团控股有限公司 Multi-axial loading axle assembly endurance test bed
CN104897412A (en) * 2015-06-09 2015-09-09 郑州精益达汽车零部件有限公司 Loading device for axle housing bench test of passenger car
CN105445035A (en) * 2015-11-26 2016-03-30 安徽安凯福田曙光车桥有限公司 Non-driving steering axle assembly comprehensive test bedstand
CN107884203A (en) * 2017-09-30 2018-04-06 芜湖普威技研有限公司 Automobile stand active force transfer
CN108088671A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of damper durability fatigue experimental device
CN109115526A (en) * 2018-08-30 2019-01-01 重庆长安汽车股份有限公司 A kind of six channel Road Simulation Test method of rear axle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535335A (en) * 2014-12-15 2015-04-22 华晨汽车集团控股有限公司 Multi-axial loading axle assembly endurance test bed
CN104897412A (en) * 2015-06-09 2015-09-09 郑州精益达汽车零部件有限公司 Loading device for axle housing bench test of passenger car
CN104897412B (en) * 2015-06-09 2017-10-24 郑州精益达汽车零部件有限公司 Passenger car axle bench test loading device
CN105445035A (en) * 2015-11-26 2016-03-30 安徽安凯福田曙光车桥有限公司 Non-driving steering axle assembly comprehensive test bedstand
CN105445035B (en) * 2015-11-26 2018-02-02 安徽安凯福田曙光车桥有限公司 A kind of non-driven steering axle assembly comprehensive experiment table
CN107884203A (en) * 2017-09-30 2018-04-06 芜湖普威技研有限公司 Automobile stand active force transfer
CN108088671A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of damper durability fatigue experimental device
CN109115526A (en) * 2018-08-30 2019-01-01 重庆长安汽车股份有限公司 A kind of six channel Road Simulation Test method of rear axle

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Granted publication date: 20150527

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