CN205538244U - Loading and vehicle ground mechanics soil box test bench that drives coordinated control - Google Patents

Abstract

Loading and vehicle ground mechanics soil box test bench that drives coordinated control, including the chassis, the top of chassis is fixed with the box, the front end at box top is equipped with front rail along controlling the horizontal direction, the rear end at box top is equipped with the rear rail along controlling the horizontal direction, the left side of box is equipped with the electric power dynamometer machine, the frame of electric power dynamometer machine is installed on the chassis, the pivot of electric power dynamometer machine is passed through the shaft coupling with the power input shaft of measurement of power reduction gear and is linked to each other, the power output shaft of measurement of power reduction gear goes up the cover and is equipped with reduction gear drive sprocket, reduction gear drive sprocket passes through the driving chain and links to each other with the transmission of reduction gear driven sprocket. Its aim at provides the running resistance of structure size wheel under various soil condition that can be applied to various differences to carry out the stress and measures, and the precision of the data that the experiment obtained can provide various necessary parameters for the optimal design of the wheel of vehicle from this to reach the loading and vehicle ground mechanics soil box test bench that drives coordinated control who lets the wheel performance of vehicle more optimize.

Description

Load and drive the vehicle-terra mechanics soil slot test stand coordinating to control

Technical field

This utility model relates to a kind of vehicle-terra mechanics soil slot test stand loaded and drive coordination to control.

Background technology

The optimization design of vehicle needs kinds of experiments parameter, for example, it is desired to enter wheel running resistance under specific edaphic condition Row stress is measured, but is directly carried out the data acquisition being correlated with, not only inefficiency, investment by the vehicle of actual motion Greatly, and be difficult to different kinds of roads are all run.To this end, people devise soil slot test stand, for wheel Every mechanical property test, but existing soil slot test stand can only be the wheel for ad hoc structure size tests, For the wheel of various different structure sizes, needing to manufacture respectively, each soil slot test stand does not adapt to the car of various structures size Wheel, and existing soil slot test stand is unreasonable owing to designing structure, causes it to be done by self power device when test Disturb relatively big, cause the precision testing the data obtained relatively low, thus can affect the design of the optimization to wheel of vehicle.

Utility model content

The purpose of this utility model is to provide a kind of crawler belt that can be applicable to various different physical dimension or wheel at various soil Under the conditions of running resistance carry out stress measurement, the precision of the data that experiment obtains is high, can thus be crawler belt or the car of vehicle The optimization design of wheel provides various more accurate design parameters, with reach to allow loading that the crawler belt of vehicle or wheel performance more optimize with Drive the vehicle-terra mechanics soil slot test stand coordinating to control.

The vehicle-terra mechanics soil slot test stand of control is coordinated in loading of the present utility model with driving, including underframe, the top of underframe Being fixed with casing, the front end edge left and right horizontal direction at casing top is provided with fromer rail, and the rear end at casing top is along left and right horizontal direction Being provided with rear rail, the left side of casing is provided with electric dynamometer, and the support of electric dynamometer is arranged on underframe, electric dynamometer Rotating shaft is connected by shaft coupling with the power input shaft of measurement of power decelerator, and the casing of measurement of power decelerator is arranged on underframe, and measurement of power subtracts Being set with decelerator drive sprocket on the power output shaft of speed device, decelerator drive sprocket is by driving-chain and retarder driven sprocket wheel Transmission is connected, and retarder driven sprocket wheel is sleeved on retarder driven axle, and the axis of retarder driven axle is positioned at anterior-posterior horizontal direction, Retarder driven axle uses two bearing blocks to be installed in rotation on the left end of underframe, and the front end sleeve of retarder driven axle is equipped with driven Axle front wheel driving sprocket wheel, the rear end of retarder driven axle is set with driven shaft rear driving wheel, driven shaft front wheel driving sprocket wheel and driven shaft The height of rear driving wheel is corresponding with the middle and lower part of casing, is provided with left front support between driven shaft front wheel driving sprocket wheel and the left end of casing, The top of left front support is provided with left front drive sprocket, is provided with left back support between driven shaft rear driving wheel and the left end of casing, left The top of after-poppet is provided with left back drive sprocket；

Front portion on the right side of casing is provided with right anterior branch frame, and right anterior branch frame is fixed on underframe, and the top of right anterior branch frame is uploaded before being provided with the right side Movable sprocket, the bottom of right anterior branch frame is provided with right front lower drive sprocket, and the rear portion on the right side of casing is provided with right after-poppet, and right after-poppet is solid Being scheduled on underframe, the top of right after-poppet is upper drive sprocket after being provided with the right side, and the bottom of right after-poppet is provided with underdrive sprocket wheel behind the right side；

Driven shaft front wheel driving sprocket wheel, left front drive sprocket, right front upper drive sprocket and the front lower drive sprocket in the right side and annular front wheel driving Chain is meshed, and the right-hand member of front wheel driving chain is provided with front wheel driving chain tension gear, and front wheel driving chain tension gear is solid by mounting bracket It is scheduled on the front portion of underframe right-hand member；

Underdrive sprocket wheel and annular rear drive behind drive sprocket and the right side is gone up behind driven shaft rear driving wheel, left back drive sprocket, the right side Chain is meshed, and the right-hand member of rear drive chain is provided with rear drive chain tension gear, and rear drive chain tension gear is solid by mounting bracket It is scheduled on the rear portion of underframe right-hand member；

Casing be arranged over testing chassis, test chassis includes supporting vehicle frame, supports the left end on front side of bottom of frame rotationally It is provided with front left support wheel, supports the right-hand member on front side of bottom of frame and be provided with front right support wheel rotationally, support on rear side of bottom of frame Left end is provided with rear left support wheel rotationally, supports the right-hand member on rear side of bottom of frame and is provided with rear right support wheel rotationally, and front left is propped up The centrage of support wheel, front right support wheel, rear left support wheel and rear right support wheel is positioned at anterior-posterior horizontal direction, rear left support wheel and after The bottom of the periphery of right support wheel is placed on rear rail, and the bottom of the periphery of front left support wheel and front right support wheel is placed in On fromer rail；

Supporting vehicle frame and be provided with test carriage wheel drive unit, test carriage wheel drive unit includes being arranged on the motor supporting vehicle frame right-hand member, The rotating shaft of motor is connected with the power input shaft transmission of reductor, and the casing of reductor is arranged on support vehicle frame, moving of reductor Being set with reductor drive sprocket on power output shaft, reductor drive sprocket is by the active of first grade transmission chain with one-level duplicate sprocket Chain gear transmission is connected, and reductor drive sprocket, the periphery of one-level duplicate sprocket are positioned at left and right vertical direction；

Test carriage wheel drive unit also includes front fixing bar and rear fixing bar, front fixing bar and rear fixing bar the most to the left Inclination is stretched out, and the bottom of front fixing bar is fixed on and supports the front portion on top on the right side of vehicle frame, and the bottom of rear fixing bar is fixed on support car The rear portion on top on the right side of frame, the axis of front fixing bar and the axis of rear fixing bar lay respectively in the plane of left and right vertical direction, front The fixing axis of bar and the axis of rear fixing bar are parallel to each other, between axis and axis and the horizontal plane of rear fixing bar of front fixing bar Angle be all 70 °-85 °, the top of front fixing bar utilizes the right front ends of the first jointed shaft and the first upper junction plate to be hinged and connected, First jointed shaft is arranged along anterior-posterior horizontal direction, and the rear fixing top of bar is hinged and connected with the right rear end of the first upper junction plate, front solid The bottom of fixed pole is hinged and connected with the right front ends of the first lower connecting plate, the bottom of rear fixing bar and the right rear end hinge of the first lower connecting plate Connecing connected, the plate face of the first lower connecting plate is parallel to each other with the plate face of the first upper junction plate, the plate face of the first lower connecting plate and first Angle between upper junction plate and horizontal plane is 40 °-50 °；

The left front end of the first upper junction plate utilizes the top of jointed shaft and the right front ends of the second upper junction plate and front hinge bar on second to cut with scissors Connecing connected, on second, jointed shaft is arranged along anterior-posterior horizontal direction, and the left back end of the first upper junction plate utilizes on second jointed shaft and the The right rear end of two upper junction plates and the top of rear hinge bar are hinged and connected；

The left front end of the first lower connecting plate utilizes the bottom of second time jointed shaft and the right front ends of the second lower connecting plate and front hinge bar to cut with scissors Connecing connected, second time jointed shaft is arranged along anterior-posterior horizontal direction, and the left back end of the first lower connecting plate utilizes second time jointed shaft and the The right rear end of two lower connecting plates and the bottom of rear hinge bar are hinged and connected；

Before fixing bar be parallel to each other with front hinge bar, rear fixing bar is parallel to each other with rear hinge bar, the plate face of the second upper junction plate and The plate face of the second lower connecting plate is parallel to each other, and the plate face of the second upper junction plate and the plate face of the second lower connecting plate are positioned near horizontal plane；

The left front end of the second upper junction plate utilizes jointed shaft on the 3rd to be hinged and connected with servo-actuated vehicle frame, and on the 3rd, jointed shaft is along water front and back Square to setting, the left front end of the second lower connecting plate is hinged and connected with servo-actuated vehicle frame, the top of servo-actuated vehicle frame be provided with electronic scale and Pallet, equipped with multiple balancing weights on pallet, the middle part of pallet is fixedly linked with the bottom of guide post, and guide post vertically sets Putting, the middle part of guide post uses matched in clearance through fairlead, and fairlead is fixed on the middle part on servo-actuated vehicle frame top；

One-level duplicate sprocket is sleeved on the front end of the first jointed shaft, and on second, the front end sleeve of jointed shaft is equipped with two grades of duplicate sprockets, the On three, the front end sleeve of jointed shaft is equipped with three grades of duplicate sprockets, and the driven sprocket of one-level duplicate sprocket is double by second grade transmission chain and two grades The drive sprocket transmission of connection sprocket wheel is connected, and the driven sprocket of two grades of duplicate sprockets passes through three grades of driving-chains and the master of three grades of duplicate sprockets Movable sprocket transmission is connected, and the driven sprocket of three grades of duplicate sprockets is connected with spindle sprocket transmission by level Four driving-chain, spindle sprocket Being sleeved on front splined shaft, front splined shaft is installed in rotation on the bottom of servo-actuated vehicle frame front end, Follow-up vehicle along anterior-posterior horizontal direction The bottom of frame rear end is rotatably mounted with the axis of rear splined shaft, the axis of rear splined shaft and front splined shaft along anterior-posterior horizontal direction Overlap；Rear splined shaft and front splined shaft can slide axially respectively, and the height and position of rear splined shaft and front splined shaft is less than the The height and position of two lower connecting plates, is provided with test wheel between inner end and the inner end of rear splined shaft of front splined shaft, front splined shaft with Crawler belt or the test wheel drive of test track rail assembly are connected, rear splined shaft and the crawler belt of test track rail assembly or test wheel Transmission is connected；

The bottom of servo-actuated vehicle frame is provided with tension-compression sensor load transfer device, and tension-compression sensor load transfer device includes in the horizontal direction around surveying The horizontal beam that pushes away that test run wheel is arranged, the bottom of the horizontal left end and servo-actuated vehicle frame pushing away beam is fixedly linked, and the horizontal beam that pushes away is from the second lower connecting plate Lower section extends the most to the right, and the horizontal right-hand member pushing away beam is provided with link, and link includes two connecting plates, two connecting plates Plate face lay respectively at vertical direction and be parallel to each other, two connecting plates are one in front and one in back arranged side by side along left and right horizontal direction, two The left end of connecting plate is fixedly linked with the horizontal middle part pushing away beam right-hand member, and the right-hand member of two connecting plates is connected by left draw back plate, left push-and-pull The plate face of plate is positioned at before and after's vertical direction, and a measurement termination of left draw back plate middle part along the longitudinal direction and tension-compression sensor is fixed Being connected, left draw back plate front end along the longitudinal direction is fixedly linked with the left end of front guide post, left draw back plate rear end along the longitudinal direction Being fixedly linked with the left end of rear guide post, the right side of tension-compression sensor is provided with right draw back plate, and the plate face of right draw back plate is positioned at front and back erects Nogata is measured termination to another of, right draw back plate middle part along the longitudinal direction and tension-compression sensor and is fixedly linked, front guide post Right-hand member uses matched in clearance through the front end of right draw back plate, and the right-hand member of front guide post is threaded connection and is installed with nut, guides afterwards The right-hand member of bar uses matched in clearance through the rear end of right draw back plate, and the right-hand member of rear guide post is threaded connection and is installed with nut；

The right side of right draw back plate is provided with guide wheel bracket, and the left end of guide wheel bracket is fixedly linked with right draw back plate, guide wheel bracket Right-hand member be provided with directive wheel installing plate, the plate face of directive wheel installing plate is positioned at before and after's vertical direction, the right side of directive wheel installing plate On be provided with two otic placodes the most side by side, the plate face of two otic placodes is positioned at left and right vertical direction, and the middle part of two otic placodes is along front and back Horizontal direction is provided with directive wheel and installs axle, and directive wheel is installed the middle part of axle and is set with big directive wheel, and big directive wheel is positioned at two otic placodes Between, directive wheel installs the front end sleeve of axle equipped with front jockey wheel；Front jockey wheel is positioned at the front end of otic placode above, and directive wheel is installed The rear end of axle is set with rear directive wheel；Rear directive wheel is positioned at the rear end of otic placode below；

The right-hand member of the periphery of big directive wheel is affixed towards left end face with blade fin, and blade fin is positioned at towards left end face and front and back erects Nogata to, front jockey wheel and rear directive wheel are respectively placed in a gathering sill, and two gathering sills are the most vertically arranged, The left end of the left end of the periphery of front jockey wheel and the periphery of rear directive wheel inwall with corresponding gathering sill respectively is affixed, two Gathering sill is separately fixed on blade fin, and blade fin is the most movably placed on the vertical slideway being positioned at stand left end, leads Right-hand member to slide plate top is fixed with lifting nut, and lifting nut spinning is on lifting screw, and the bottom of lifting screw is rotationally Install with stand and be connected, the top of lifting screw along the turning handle that is radially provided with of lifting screw, stand before being positioned at fixing bar with after Between fixing bar, the bottom of stand is fixedly linked with supporting vehicle frame；

The middle part supporting vehicle frame front end is provided with front chain clamping plate assembly, and the middle part supporting vehicle frame rear end is provided with rear chain clamping plate assembly, The top that rear chain clamping plate assembly utilizes upper and lower clamping plate to be installed in rear drive chain, front chain clamping plate assembly utilizes upper and lower clamping plate to clamp Top at front wheel driving chain；

The left side supporting vehicle frame front end is provided with front left directive wheel assembly, and it is total that the right side of support vehicle frame front end is provided with front right directive wheel Becoming, the periphery of the periphery of the front left directive wheel of front left directive wheel assembly and the front right directive wheel of front right directive wheel assembly is positioned at water Square to, the rear end of the rear end of the periphery of front left directive wheel and the periphery of front right directive wheel is affixed with fromer rail respectively；

The left side supporting vehicle frame rear end is provided with rear left directive wheel assembly, and it is total that the right side of support vehicle frame rear end is provided with rear right directive wheel Becoming, the periphery of the periphery of the rear left directive wheel of rear left directive wheel assembly and the rear right directive wheel of rear right directive wheel assembly is positioned at water Square to, the front end of the front end of the periphery of rear left directive wheel and the periphery of rear right directive wheel is affixed with rear rail respectively.

Further, the middle part of the front end face of the first upper junction plate is provided with secondary transmission chain tension means, and second grade transmission chain tensioning fills The regulating wheel put matches with second grade transmission chain；The middle part of the front end face of the second upper junction plate is provided with three grades of chain tensioners, The regulating wheel of three grades of chain tensioners and three grades of driving-chains match, and the front portion of servo-actuated vehicle frame has been provided with level Four driving-chain tensioning Device, the regulating wheel of level Four chain tensioner matches with level Four driving-chain.

Further, the top of front wheel driving chain is set with front pop-up chain guard, and the bottom of front wheel driving chain is set with presubiculum chain guard, The top of rear drive chain is set with rear pop-up chain guard, and the bottom of rear drive chain is set with rear subiculum chain guard.

Further, the bottom of the forward and backward lateral wall of casing is respectively equipped with multiple osculum, and the bottom of the forward and backward lateral wall of casing is divided It is not provided with rhone.

Further, servo-actuated vehicle frame includes the gate frame arranged along vertical direction front and back, the top of the rear upright of gate frame Being fixedly linked with the top of pedal stand, pedal stand is vertically arranged, and the bottom of pedal stand is provided with pedal, brow landing The pedal of frame is positioned at the outside on casing rear wall top.

Further, the cavity in casing is rectangle, and the sidewall of casing and bottom use steel plate splicing to make, the lateral wall of casing On be vertically sticked multiple pillar.

Loading of the present utility model is with the vehicle-terra mechanics soil slot test stand driving coordination to control in use, it is possible to achieve multiple The testing experiment task of walking mechanism, is used dynamometer machine, motor biaxial loadings, is cooperated by control and realize various operating mode Simulation；This utility model, in configuration aspects, uses two groups of parallelogram swing arm girder constructions connected, and is ensureing tested walking Under the conditions of mechanical stability, reduce external disturbance, improve certainty of measurement, add that tested walking mechanism fixture can realize flexible adjustment With the transmission of power, and the aspect such as height regulating mechanism design at parts such as tension-compression sensors, have prominent substantive special Point and significantly progress.Therefore, loading of the present utility model can be answered with driving the vehicle-terra mechanics soil slot test stand coordinating to control Crawler belt or wheel running resistance under various edaphic conditions for various different physical dimensions carry out stress measurement, institute The result of simulation is closer to virtual condition, and the precision of the data that experiment obtains is high, can thus be the crawler belt of vehicle or the excellent of wheel Change design and the parameter of various necessity is provided, with the purpose reaching to allow the crawler belt of vehicle or wheel performance more optimize.

Below in conjunction with the accompanying drawings this utility model is loaded and make furtherly with driving the vehicle-terra mechanics soil slot test stand coordinating to control Bright.

Accompanying drawing explanation

Fig. 1 is the front view that this utility model loads and drives the vehicle-terra mechanics soil slot test stand coordinating control；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is that the master of the box portion that the vehicle-terra mechanics soil slot test stand of control is coordinated in loading of the present utility model with driving regards Figure；

Fig. 5 is the side view of Fig. 4；

Fig. 6 is the top view of Fig. 4；

Fig. 7 is that the master that this utility model loads with the test chassis driving the vehicle-terra mechanics soil slot test stand coordinating control regards Figure；

Fig. 8 is the side view of Fig. 7；

Fig. 9 is the top view of Fig. 7；

Figure 10 is that the vertical of the test chassis of the vehicle-terra mechanics soil slot test stand of control is coordinated in loading of the present utility model with driving Body figure；

Figure 11 is loading of the present utility model and the test carriage wheel drive driving the vehicle-terra mechanics soil slot test stand coordinating control The front view of device；

Figure 12 is the top view of Figure 11；

Figure 13 is the axonometric chart of Figure 11；

Figure 14 is that loading of the present utility model passes with the tension-compression sensor driving the vehicle-terra mechanics soil slot test stand coordinating control The front view of power apparatus；

Figure 15 is that loading of the present utility model passes with the tension-compression sensor driving the vehicle-terra mechanics soil slot test stand coordinating control The top view of power apparatus；

Figure 16 is the front chain clamping plate assembly that this utility model loads and drives the vehicle-terra mechanics soil slot test stand coordinating control Front view；

Figure 17 is that loading of the present utility model is opened with the three grades of driving-chains driving the vehicle-terra mechanics soil slot test stand coordinating control The front view of tight device；

Figure 18 is loading of the present utility model and the test wheel portion driving the vehicle-terra mechanics soil slot test stand coordinating control Main pseudosection；

Figure 19 is that loading of the present utility model is total with the front left directive wheel driving the vehicle-terra mechanics soil slot test stand coordinating control The main pseudosection become.

Detailed description of the invention

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, this utility model loads and drives the vehicle ground coordinating to control Face mechanics soil slot test stand, including underframe 8, the middle position at the top of underframe 8 is fixed with casing 2, can fill sand in casing 2 Soil or other materials, for simulating the state of different kinds of roads, the front end edge left and right horizontal direction at casing 2 top is provided with fromer rail 4, The rear end at casing 2 top is provided with rear rail 81 along left and right horizontal direction, and the left side of casing 2 is provided with electric dynamometer 44, and electric power is surveyed The support of merit machine 44 is fixed on underframe 8, and the rotating shaft of electric dynamometer 44 is logical with the power input shaft of measurement of power decelerator 47 Crossing shaft coupling to be connected, the casing of measurement of power decelerator 47 is fixed on underframe 8, on the power output shaft of measurement of power decelerator 47 Being set with decelerator drive sprocket 46, measurement of power decelerator 47 can inversely speed change, i.e. power can also be from measurement of power decelerators 47 Power output shaft inputs, and exports from the power input shaft of measurement of power decelerator 47, and passes to electric dynamometer 44, electric power surveys The power passed over is measured by merit machine 44.

Decelerator drive sprocket 46 is connected with retarder driven sprocket wheel 42 transmission by driving-chain, and retarder driven sprocket wheel 42 is set with On retarder driven axle 41, the axis of retarder driven axle 41 is positioned at anterior-posterior horizontal direction, and retarder driven axle 41 uses two Individual bearing block is installed in rotation on the left end of underframe 8, and the front end sleeve of retarder driven axle 41 is equipped with driven shaft front wheel driving sprocket wheel 43, the rear end of retarder driven axle 41 is set with driven shaft rear driving wheel 40, after driven shaft front wheel driving sprocket wheel 43 and driven shaft The height of drive sprocket 40 is corresponding with the middle and lower part of casing 2, is provided with between driven shaft front wheel driving sprocket wheel 43 and the left end of casing 2 Left front support 1, the top of left front support 1 is provided with left front drive sprocket 48, driven shaft rear driving wheel 40 and the left end of casing 2 Between be provided with left back support 82, the top of left back support 82 is provided with left back drive sprocket 45；

Front portion on the right side of casing 2 is provided with right anterior branch frame 10, and right anterior branch frame 10 is fixed on underframe 8, the top of right anterior branch frame 10 Upper drive sprocket 54 before being provided with the right side, the bottom of right anterior branch frame 10 is provided with right front lower drive sprocket 69, and the rear portion on the right side of casing 2 sets Having right after-poppet 77, right after-poppet 77 to be fixed on underframe 8, the top of right after-poppet 77 is upper drive sprocket 50 after being provided with the right side, The bottom of right after-poppet 77 is provided with underdrive sprocket wheel behind the right side；

Driven shaft front wheel driving sprocket wheel 43, left front drive sprocket 48, right front upper drive sprocket 54 and the front lower drive sprocket in the right side 69 and ring The front wheel driving chain 9 of shape is meshed, and the right-hand member of front wheel driving chain 9 is provided with front wheel driving chain tension gear 11, front wheel driving chain tension Take turns 11 front portions being fixed on underframe 8 right-hand member by mounting bracket；

Underdrive sprocket wheel and annular behind drive sprocket 50 and the right side is gone up behind driven shaft rear driving wheel 40, left back drive sprocket 45, the right side Rear drive chain 76 be meshed, the right-hand member of rear drive chain 76 is provided with rear drive chain tension gear 78, rear drive chain tension Take turns 78 rear portions being fixed on underframe 8 right-hand member by mounting bracket；

In use, electric dynamometer 44 both may be used for measuring the power of the power passed over by measurement of power decelerator 47, electricity Power dynamometer machine 44 also can drive the power input shaft of measurement of power decelerator 47 to rotate as motor, and then allows the dynamic of measurement of power decelerator 47 Power output shaft drives retarder driven sprocket wheel 42 to rotate by decelerator drive sprocket 46, and retarder driven sprocket wheel 42 is then by subtracting Speed device driven shaft 41 allow driven shaft front wheel driving sprocket wheel 43 and driven shaft rear driving wheel 40 rotate, thus allow front wheel driving chain 9, Rear drive chain 76 synchronous axial system therewith, front wheel driving chain 9, rear drive chain 76 then can test chassis in tow along fromer rail 4 Move with rear rail 81.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13, casing 2 upper Side is provided with test chassis, and test chassis includes supporting vehicle frame 29, before the left end of support vehicle frame 29 lower front is provided with rotationally Left support wheel 13, the right-hand member supporting vehicle frame 29 lower front is provided with front right support wheel 68, after supporting bottom vehicle frame 29 rotationally The left end of side is provided with rear left support wheel 70 rotationally, and the right-hand member supporting vehicle frame 29 bottom rear is provided with rear right support rotationally Wheel 74, before and after the centrage of front left support wheel 13, front right support wheel 68, rear left support wheel 70 and rear right support wheel 74 is positioned at Horizontal direction, the bottom of the periphery of rear left support wheel 70 and rear right support wheel 74 is placed on rear rail 81, and front left support is taken turns 13 and the bottom of periphery of front right support wheel 68 be placed on fromer rail 4, support vehicle frame 29 thus can be allowed along fromer rail 4 Move with rear rail 81；

Supporting vehicle frame 29 and be provided with test carriage wheel drive unit, test carriage wheel drive unit includes being arranged on support vehicle frame 29 right-hand member Motor 49, the rotating shaft of motor 49 is connected with the power input shaft transmission of reductor 51, and the casing of reductor 51 is arranged on On support vehicle frame 29, the power output shaft of reductor 51 being set with reductor drive sprocket 52, reductor drive sprocket 52 leads to Cross first grade transmission chain 141 to be connected with the drive sprocket transmission of one-level duplicate sprocket 20, reductor drive sprocket 52, one-level duplex The periphery of sprocket wheel 20 is positioned at left and right vertical direction；After motor 49 starts, will drive reductor actively by reductor 51 Sprocket wheel 52, first grade transmission chain 141 and one-level duplicate sprocket 20 synchronous axial system.

Test carriage wheel drive unit also includes front fixing bar 21 and rear fixing bar 150, front fixing bar 21 and 150 points of rear fixing bar Being tilted to the left the most from bottom to top and stretch out, the bottom of front fixing bar 21 is fixed on and supports the front portion on top on the right side of vehicle frame 29, fixes afterwards The bottom of bar 150 is fixed on and supports the rear portion on top, the axis of front fixing bar 21 and the axle of rear fixing bar 150 on the right side of vehicle frame 29 Line lays respectively in the plane of left and right vertical direction, and the axis of front fixing bar 21 and the axis of rear fixing bar 150 are parallel to each other, front Angle between axis and axis and the horizontal plane of rear fixing bar 150 of fixing bar 21 is all 70 °-85 °, front fixing bar 21 Top utilize the right front ends of the first jointed shaft and the first upper junction plate 19 to be hinged and connected, the first jointed shaft sets along anterior-posterior horizontal direction Putting, the rear fixing top of bar 150 is hinged and connected with the right rear end of the first upper junction plate 19, the bottom and first of front fixing bar 21 The right front ends of lower connecting plate 22 is hinged and connected, and the rear fixing bottom of bar 150 is hinged and connected with the right rear end of the first lower connecting plate 22, The plate face of the first lower connecting plate 22 is parallel to each other with the plate face of the first upper junction plate 19, the plate face and first of the first lower connecting plate 22 Angle between upper junction plate 19 and horizontal plane is 40 °-50 °；

The left front end of the first upper junction plate 19 utilizes on second jointed shaft 113 and the right front ends of the second upper junction plate 25 and front hinged The top of bar 24 is hinged and connected, and on second, jointed shaft 113 is arranged along anterior-posterior horizontal direction, the left back end of the first upper junction plate 19 Jointed shaft 113 on second is utilized to be hinged and connected with the right rear end of the second upper junction plate 25 and the top of rear hinge bar 149；

The left front end of the first lower connecting plate 22 utilizes second time jointed shaft 148 and the right front ends of the second lower connecting plate 23 and front hinged The bottom of bar 24 is hinged and connected, and second time jointed shaft 148 is arranged along anterior-posterior horizontal direction, the left back end of the first lower connecting plate 22 Second time jointed shaft 148 is utilized to be hinged and connected with the right rear end of the second lower connecting plate 23 and the bottom of rear hinge bar 149；

Front fixing bar 21 is parallel to each other with front hinge bar 24, and rear fixing bar 150 is parallel to each other, on second with rear hinge bar 149 The plate face of connecting plate 25 is parallel to each other with the plate face of the second lower connecting plate 23, the plate face of the second upper junction plate 25 and second time connection The plate face of plate 23 is positioned near horizontal plane；

The left front end of the second upper junction plate 25 utilizes jointed shaft 146 on the 3rd to be hinged and connected with servo-actuated vehicle frame 30, hinged on the 3rd Axle 146 is arranged along anterior-posterior horizontal direction, and the left front end of the second lower connecting plate 23 is hinged and connected with servo-actuated vehicle frame 30, servo-actuated vehicle frame The top of 30 is provided with electronic scale and pallet 31, equipped with multiple balancing weights 32, the middle part of pallet 31 and guide post on pallet 31 The bottom of 33 is fixedly linked, and guide post 33 is vertically arranged, and the middle part of guide post 33 uses matched in clearance through fairlead 307, fairlead 307 is fixed on the middle part on servo-actuated vehicle frame 30 top；In use can be by adjusting quantity and the weight of balancing weight 32 Amount changes the pressure that balancing weight 32 is downward, and pressure can be delivered to test on wheel 27 by servo-actuated vehicle frame 30, then by surveying The sandy soil that test run wheel 27 is filled in passing to casing 2, the effect of guide post 33 is to guide servo-actuated vehicle frame 30 in the mistake of oscilaltion Journey does not tilts to skew, and the weight transfer do not pressed for 32 times by balancing weight is given and supported vehicle frame 29, allows servo-actuated vehicle frame 30 energy Oscilaltion campaign is made the most freely relative to support vehicle frame 29.

One-level duplicate sprocket 20 is sleeved on the front end of the first jointed shaft, and on second, the front end sleeve of jointed shaft 113 is equipped with two grades of duplex chains Wheel 17, on the 3rd, the front end sleeve of jointed shaft 146 passes through equipped with three grades of duplicate sprockets 15, the driven sprocket of one-level duplicate sprocket 20 Second grade transmission chain 140 is connected with the drive sprocket transmission of two grades of duplicate sprockets 17, and the driven sprocket of two grades of duplicate sprockets 17 passes through Three grades of driving-chains 139 are connected with the drive sprocket transmission of three grades of duplicate sprockets 15, and the driven sprocket of three grades of duplicate sprockets 15 passes through Level Four driving-chain 138 is connected with spindle sprocket 38 transmission, and spindle sprocket 38 is sleeved on front splined shaft 34, front splined shaft 34 Be installed in rotation on the bottom of servo-actuated vehicle frame 30 front end along anterior-posterior horizontal direction, the bottom of servo-actuated vehicle frame 30 rear end is along water front and back Square to being rotatably mounted with rear splined shaft 75, the axis of rear splined shaft 75 overlaps with the axis of front splined shaft 34；After Splined shaft 75 and front splined shaft 34 can slide axially respectively, and the height and position of rear splined shaft 75 and front splined shaft 34 is less than the The height and position of two lower connecting plates 23, is provided with test wheel 27 between inner end and the inner end of rear splined shaft 75 of front splined shaft 34, Front splined shaft 34 is connected with crawler belt or test wheel 27 transmission of test track rail assembly, and rear splined shaft 75 is total with test crawler belt The crawler belt or test wheel 27 transmission that become are connected；

Loading of the present utility model can be along vertically with the test wheel 27 driving the vehicle-terra mechanics soil slot test stand coordinating control Direction moves up and down, but due to many factors, can not drive system be arranged on again on servo-actuated vehicle frame 30.To this end, this practicality is new Test carriage wheel drive unit has been designed to the structure of the parallelogram swing arm beam of two groups of series connection, parallel the four of these two groups series connection by type Limit shape swing arm beam includes cutting with scissors on the first upper junction plate 19, upper jointed shaft the 113, second upper junction plate 25, front hinge bar 24, second Spindle 113,22, second time jointed shaft the 148, second lower connecting plate 23 of rear hinge bar the 149, first lower connecting plate, front hinged The parts such as bar the 24, second lower connecting plate the 23, second upper junction plate 25, one end of the parallelogram swing arm beam of these two groups series connection After being connected with servo-actuated vehicle frame 30, can realize with servo-actuated vehicle frame 30 is the most servo-actuated, can the rotation that motor 49 exports be moved again Power by reductor 51, reductor drive sprocket 52, first grade transmission chain 141, one-level duplicate sprocket 20, second grade transmission chain 140, Two grades of duplicate sprockets 17, three grades of driving-chains 139, three grades of duplicate sprockets 15, level Four driving-chain 138, spindle sprocket 38, front flowers Key axle 34 is transferred to crawler belt or the test wheel 27 of test track rail assembly, drives crawler belt or the test carriage of test track rail assembly Wheel 27 rotates.Above-mentioned design successfully avoids the parallelogram pendulum to two groups of series connection of the pulling force suffered by each driving-chain The impact of arm beam, and then the problem decreasing the certainty of measurement of external interference effect tension-compression sensor 56.

The parallelogram swing arm beams of above-mentioned two groups of series connection can realize allowing servo-actuated vehicle frame 30 along left and right horizontal direction and perpendicular to the ground Direction is freely-movable, can ensure that servo-actuated vehicle frame will not twist phenomenon simultaneously.This structure ensure that and is fixed on servo-actuated vehicle frame 30 Test wheel 27 can bear load vertically downward symmetrically, compensate owing to soil sink the difference in height caused simultaneously.Surveying When amount is along soil box direction interaction force, due to servo-actuated vehicle frame 30 freedom in the direction, it is ensured that the precision of measurement.

Seeing Figure 13, Figure 14 and Figure 15, the bottom of servo-actuated vehicle frame 30 is provided with tension-compression sensor load transfer device, and tension-compression sensor passes Power apparatus includes the horizontal beam 300 that pushes away arranged in the horizontal direction, the horizontal left end pushing away beam 300 and servo-actuated vehicle frame 30 around test wheel 27 Bottom be fixedly linked, the horizontal beam 300 that pushes away extends the most to the right from the lower section of the second lower connecting plate 23, the horizontal beam 300 that pushes away Right-hand member is provided with link, and link includes two connecting plates 55, and the plate face of two connecting plates 55 lays respectively at vertical direction phase The most parallel, two connecting plates 55 are one in front and one in back arranged side by side along left and right horizontal direction, and the left end of two connecting plates 55 pushes away beam with horizontal The middle part of 300 right-hand members is fixedly linked, and the right-hand member of two connecting plates is connected by left draw back plate 301, the plate face of left draw back plate 301 Being positioned at before and after's vertical direction, phase is fixed in a measurement termination of left draw back plate 301 middle part along the longitudinal direction and tension-compression sensor 56 Even, left draw back plate 301 front end along the longitudinal direction is fixedly linked with the left end of front guide post 57, and left draw back plate 301 is along front and back To the left end of rear end and rear guide post 58 be fixedly linked, the right side of tension-compression sensor 56 is provided with right draw back plate 302, right push-and-pull The plate face of plate 302 is positioned at another of before and after's vertical direction, right draw back plate 302 middle part along the longitudinal direction and tension-compression sensor 56 Measurement termination is fixedly linked, and the right-hand member of front guide post 57 uses matched in clearance through the front end of right draw back plate 302, front guide post The right-hand member of 57 is threaded connection and is installed with nut, and the right-hand member of rear guide post 58 uses matched in clearance through right draw back plate 302 Rear end, the right-hand member of rear guide post 58 is threaded connection and is installed with nut；

The right side of right draw back plate 302 is provided with guide wheel bracket 59, and the left end of guide wheel bracket 59 fixes phase with right draw back plate 302 Even, the right-hand member of guide wheel bracket 59 is provided with directive wheel installing plate, and the plate face of directive wheel installing plate is positioned at before and after's vertical direction, guides Being provided with two otic placodes the most side by side on the right side of wheel installing plate, the plate face of two otic placodes is positioned at left and right vertical direction, two The middle part of otic placode is provided with directive wheel and installs axle along anterior-posterior horizontal direction, and directive wheel is installed the middle part of axle and is set with big directive wheel 60, greatly Directive wheel 60 is between two otic placodes, and directive wheel installs the front end sleeve of axle equipped with front jockey wheel 61；Before front jockey wheel 61 is positioned at The front end of the otic placode in face, directive wheel is installed the rear end of axle and is set with rear directive wheel 62；Rear directive wheel 62 is positioned at otic placode below Rear end；

The right-hand member of the periphery of big directive wheel 60 is affixed towards left end face with blade fin 66, and blade fin 66 is towards left end face position In front and back's vertical direction, front jockey wheel 61 and rear directive wheel 62 are respectively placed at a gathering sill 65, two gathering sills 65 The most vertically arranging, the left end of the left end of the periphery of front jockey wheel 61 and the periphery of rear directive wheel 62 is respectively with right The inwall of the gathering sill 65 answered is affixed, and two gathering sills 65 are separately fixed on blade fin 66, and blade fin about 66 can Being placed on the vertical slideway being positioned at stand 63 left end, the right-hand member on blade fin 66 top is fixed with lifting nut dynamicly, lifting Nut spinning is on lifting screw 64, and the bottom of lifting screw 64 is installed with stand 63 rotationally and is connected, lifting screw 64 Top along the turning handle that is radially provided with of lifting screw 64, stand 63 between front fixing bar 21 and rear fixing bar 150, The bottom of stand 63 is fixedly linked with supporting vehicle frame 29；

It is interfered by outside that above-mentioned design structure can reduce tension-compression sensor 56 institute.Guide wheel bracket 59, front jockey wheel 61, The structural groupings such as rear directive wheel 62 and big directive wheel 60, can be in the feelings allowing tension-compression sensor 56 parts such as grade freely up and down to move Under condition, transmit the effect of the power in former and later two directions.Gathering sill 65 and the modular design of blade fin 66, can realize rotating liter Fall screw rod 64 carries out the regulation of height to blade fin 66.

The middle part supporting vehicle frame 29 front end is provided with front chain clamping plate assembly 26, and the middle part supporting vehicle frame 29 rear end is provided with rear chain folder Plate assembly 72, the top that rear chain clamping plate assembly 72 utilizes upper and lower clamping plate to be installed in rear drive chain 76, front chain clamping plate assembly 26 Upper and lower clamping plate are utilized to be installed in the top of front wheel driving chain 9；In use, front chain clamping plate assembly 26 can be by front wheel driving chain 9 The driving force passed over passes to support vehicle frame 29 from the front center supporting vehicle frame 29, and rear chain clamping plate assembly 72 is then by rear-guard The driving force that dynamic chain 76 passes over passes to support vehicle frame 29 in the middle part of the rear end supporting vehicle frame 29, thus allows support vehicle frame 29 front wheel driving chain 9, rear drive chain 76 traction under make left right horizontal movement very smoothly.

The left side supporting vehicle frame 29 front end is provided with front left directive wheel assembly 12, and the right side supporting vehicle frame 29 front end is provided with front right Directive wheel assembly 67, the periphery of the front left directive wheel of front left directive wheel assembly 12 and the front right of front right directive wheel assembly 67 guide Wheel periphery be positioned at horizontal direction, the rear end of the rear end of the periphery of front left directive wheel and the periphery of front right directive wheel respectively with Fromer rail 4 is affixed；

The left side supporting vehicle frame 29 rear end is provided with rear left directive wheel assembly 71, and the right side supporting vehicle frame 29 rear end is provided with rear right Directive wheel assembly 73, the periphery of the rear left directive wheel of rear left directive wheel assembly 71 and the rear right of rear right directive wheel assembly 73 guide Wheel periphery be positioned at horizontal direction, the front end of the front end of the periphery of rear left directive wheel and the periphery of rear right directive wheel respectively with Rear rail 81 is affixed.

In use, front left directive wheel assembly 12, front right directive wheel assembly 67, rear left directive wheel assembly 71 and rear right directive wheel Assembly 73 can allow support vehicle frame 29 will not be likely to result in when being pulled effect test chassis depart from fromer rail 4 and after lead The swing of rail 81 and toppling, thus can ensure to support vehicle frame 29 can front wheel driving chain 9, rear drive chain 76 traction under make Left right horizontal movement very smoothly.

As further improvement of the utility model, the middle part of the front end face of above-mentioned first upper junction plate 19 is provided with second grade transmission chain and opens Tight device 18, the regulating wheel of secondary transmission chain tension means 18 matches with second grade transmission chain 140；Second upper junction plate 25 The middle part of front end face is provided with three grades of chain tensioners 16, the regulating wheel of three grades of chain tensioners 16 and three grades of driving-chains 139 match, and the front portion of servo-actuated vehicle frame 30 has been provided with level Four chain tensioner 14, level Four chain tensioner 14 Regulating wheel matches with level Four driving-chain 138.

The top of above-mentioned front wheel driving chain 9 is set with front pop-up chain guard 3, and the bottom of front wheel driving chain 9 is set with presubiculum chain guard 6, The top of rear drive chain 76 is set with rear pop-up chain guard 83, and the bottom of rear drive chain 76 is set with rear subiculum chain guard.

As further improvement of the utility model, the bottom of the above-mentioned forward and backward lateral wall of casing 2 is respectively equipped with multiple osculum, The bottom of the forward and backward lateral wall of casing 2 is respectively equipped with rhone 7.In use, may experimental needs to casing 2 Interior sandy soil add water, sandy soil in casing 2 are adjusted humidity, in order to the ambient condition that real simulation is actual, and before casing 2, The bottom of rear lateral wall is respectively equipped with multiple osculum, and the bottom of the forward and backward lateral wall of casing 2 is respectively equipped with rhone 7 then can be square Just the water added is discharged, thus can improve the verity of simulation experiment.

As further improvement of the utility model, above-mentioned servo-actuated vehicle frame 30 includes the gate frame arranged along vertical direction front and back 305, the top of the rear upright of gate frame 305 is fixedly linked with the top of pedal stand 28, and pedal stand 28 is along vertically side To setting, the bottom of pedal stand 28 is provided with pedal, and the pedal of pedal stand 28 is positioned at the outside on casing 2 rear wall top. Pedal stand 28 can facilitate the upper and lower whole equipment of people.

As further improvement of the utility model, the cavity in above-mentioned casing 2 is rectangle, and the sidewall of casing 2 and bottom use Steel plate splicing is made, and the lateral wall of casing 2 has vertically been sticked multiple pillar 5.

Seeing Fig. 1, Fig. 3 and Figure 16, as further improvement of the utility model, above-mentioned front chain clamping plate assembly 26 includes plate face Being positioned at the installing plate 376 of left and right vertical direction, installing plate 376 is fixedly linked with supporting vehicle frame 29, and the front of installing plate 376 sets Having arm-tie 377, the plate face of arm-tie 377 is positioned at horizontal direction, and the rear end side of arm-tie 377 and installing plate 376 are towards front face Middle part is weldingly connected, and the front end side of arm-tie 377 is connected as one with the top side of boatswain chair 378, the position, plate face of boatswain chair 378 In left and right vertical direction, the bottom side of boatswain chair 378 is weldingly connected with the middle part of train wheel bridge 379, the position, plate face of train wheel bridge 379 In horizontal direction, the lower section of train wheel bridge 379 is provided with lower plate 380, and lower plate 380 and train wheel bridge 379 are by multiple bolts 101 Being connected, rear chain clamping plate assembly 72 is identical with the structure of front chain clamping plate assembly 26.

Seeing Fig. 1, Fig. 3 and Figure 19, as further improvement of the utility model, above-mentioned front left directive wheel assembly 12 includes plate Face is positioned at the fixed plate 390 of left and right vertical direction, and fixed plate 390 is fixedly linked with supporting vehicle frame 29, the front of fixed plate 390 Being provided with vertical shaft positioning framework 103, the rear end of vertical shaft positioning framework 103 is weldingly connected with fixed plate 390, vertical shaft positioning framework 103 The guide wheel shaft that is fixedly arranged at the front end with sleeve 391 is installed, guide wheel shaft is installed the axis of sleeve 391 and is positioned at vertical direction, and guide wheel shaft is installed Being fitted with guide wheel shaft 106 in sleeve 391, guide wheel shaft 106 protrudes upward guide wheel shaft and installs rotation on the lateral wall of sleeve 391 part Equipped with clamp nut 104 and stop nut 105, guide wheel shaft 106 extends downwardly from guide wheel shaft and installs the lateral wall of sleeve 391 part On by two bearings 110,111, front left directive wheel 107 is installed, the bottom of guide wheel shaft 106 uses two bolts 108,113 Being fixed with shaft end ring 112, shaft end ring 112 is for axially positioning two bearings 110,111；

Front left directive wheel assembly 12 and front right directive wheel assembly 67, rear left directive wheel assembly 71 and rear right directive wheel assembly 73 Structure is identical.As it has been described above, front left directive wheel assembly 12, front right directive wheel assembly 67, rear left directive wheel assembly 71 and rear right Directive wheel assembly 73 can allow support vehicle frame 29 will not be likely to result in test chassis disengaging fromer rail 4 when being pulled effect Swing with rear rail 81 and toppling, thus can ensure to support vehicle frame 29 can be front wheel driving chain 9, the leading of rear drive chain 76 Draw lower work left right horizontal movement very smoothly.

Seeing Figure 12, Figure 13 and Figure 18, as further improvement of the utility model, above-mentioned servo-actuated vehicle frame 30 includes along front and back The gate frame 305 that vertical direction is arranged, fairlead 307 is fixed on the top cross bar of gate frame 305 by base plate 306 Middle part, the bottom of the front vertical rod of gate frame 305 is fixed with front vertical rod bearing block, and the bottom of the rear vertical rod of gate frame 305 is solid Surely there is rear vertical rod bearing block, before and after the axis of the axis of the centre bore of rear vertical rod bearing block and the centre bore of front vertical rod bearing block is positioned at Horizontal direction also overlaps, and is provided with two ball bearings in front vertical rod bearing block side by side, and two ball bearings are interior flower before being sleeved on On key support set 87, front splined shaft 34 is inserted in front internal spline support set 87 by spline connection, and front splined shaft 34 is upper Use spline connecting sleeve equipped with front outer inner spline sleeve 37 in the front end of front internal spline support set 87, spindle sprocket 38 uses spline Before being positioned on splined shaft 34 before connecting suit, the front end of outer inner spline sleeve 37, front splined shaft 34 is positioned at spindle sprocket 38 Front end employing spline connecting sleeve is equipped with front axially outer end stationary fixture 39, after front splined shaft 34 is positioned at front internal spline support set 87 End uses spline connecting sleeve equipped with rear outer inner spline sleeve 143, and front splined shaft 34 is positioned at the rear end of front inner spline sleeve 143 Use spline connecting sleeve equipped with front interior axle head stationary fixture 35；In use, front splined shaft 34 is driven to rotate when spindle sprocket 38 Time, front splined shaft 34 can drive the crawler belt of test track rail assembly or test wheel 27 to rotate.

Rear vertical rod bearing block is provided with two ball bearings side by side, and two ball bearings are sleeved on rear internal spline support set 88, spend afterwards Key axle 75 is inserted in rear internal spline support set 88 by spline connection, and rear splined shaft 75 is positioned at rear internal spline support set 88 Rear end use spline connecting sleeve equipped with rear outer inner spline sleeve 85, after rear splined shaft 75 is positioned at after outer inner spline sleeve 85 End uses spline connecting sleeve equipped with rear axially outer end stationary fixture 79, and rear splined shaft 75 is positioned at the front end of rear internal spline support set 88 Using spline connecting sleeve equipped with rear interior inner spline sleeve 86, after rear splined shaft 75 is positioned at, the front end of inner spline sleeve 86 uses Spline connecting sleeve is connected to one equipped with rear interior axle head stationary fixture 80, the wheel hub of test wheel 27 with the axletree of test wheel 27 Body, forward and backward two ends of axletree of test wheel 27 are respectively provided with the ring flange of connection, the inner end of rear splined shaft 75 and The inner end of front splined shaft 34 is respectively provided with the ring flange of connection, the inner end of rear splined shaft 75 and the axletree testing wheel 27 Rear end be connected with each other by ring flange, ring flange is passed through in the front end of axletree of the inner end of front splined shaft 34 and test wheel 27 It is connected with each other.

In use, when test wheel 27 loaded onto on servo-actuated vehicle frame 30 by needs, can be first by front splined shaft 34 or rear splined shaft 75 are pulled outwardly along anterior-posterior horizontal direction, allow the spacing between inner end and the inner end of rear splined shaft 75 of front splined shaft 34 become big, Then being placed on by test wheel 27 between inner end and the inner end of rear splined shaft 75 of front splined shaft 34, recycling bolt is spent after connecting The ring flange of rear end of the inner end of key axle 75 and the axletree of test wheel 27, and profit is connected with in front splined shaft 34 End and the ring flange of the front end of the axletree of test wheel 27, can complete to install test wheel 27.And unload test wheel 27 Process the most opposite to that.

See Fig. 7, Fig. 9, Figure 10 and Figure 17, as further improvement of the utility model, above-mentioned three grades of driving-chain tensionings dress Putting 16 and include bent plate arm 136 and the bent plate arm axle 124 arranged along anterior-posterior horizontal direction, the rear end of bent plate arm axle 124 is fixed on the On the front end face of two upper junction plates 25, bent plate arm 136 includes that the plate face of upper arm and underarm, upper arm and underarm is positioned at vertically side, left and right To, upper arm along left and right vertical direction upwards, be tilted to the right and stretch out, underarm along left and right vertical direction downwards, be tilted to the right and stretch out, The bottom of upper arm is connected as one with the top of underarm, and the angle between right edge and the right edge of underarm of upper arm is 120 °- 150 °, the connecting portion of upper arm and underarm is provided with bent plate arm axle installing hole, and the anterior of bent plate arm axle 124 uses matched in clearance to be inserted into In bent plate arm axle installing hole, the top of upper arm is along being provided with tension wheel shaft 129, three grades of chain tensioners along anterior-posterior horizontal direction The regulating wheel 133 of 16 utilizes two ball bearings 132,135 to be arranged on tension wheel shaft 129, regulating wheel 133 end forward It is fixed with fore bearing gland 134 on face, regulating wheel 133 end face backwards is fixed with rear bearing gland 131, the second upper junction plate The right-hand member of 25 front end faces is fixed with pull bar and fixes post 128, and pull bar is fixed the axis of post 128 and is positioned at anterior-posterior horizontal direction, and pull bar is solid Being set with draw ring 127 on fixed column 128, draw ring 127 is fixedly linked with the upper right side of pull bar, pull bar after underarm along left and right Vertical direction downwards, be tilted to the right and stretch out, the middle part of pull bar use matched in clearance through block 201, after block 201 and underarm The middle part of end face is connected, and the bottom of pull bar 127 is set with stage clip 125, and stage clip 125 one end upward withstands on block 201, Stage clip 125 one end down withstands on pull-rod nut 126, and pull-rod nut 126 spinning is in the bottom of pull bar 127.In use, Stage clip 125 one end upward can push block 201 all the time, and thrust then can be transferred to underarm by block 201, allows bent plate arm 136 Make swing counterclockwise around bent plate arm axle 124, and then allow regulating wheel 133 keep tightly to withstand the state of three grades of driving-chains 139.

Secondary transmission chain tension means 18 is identical with the structure of three grades of chain tensioners 16.

Loading of the present utility model from drive worked under different purposes of vehicle-terra mechanics soil slot test stand coordinating to control Journey:

1) testing certain traveling mechanism under specific edaphic condition, motor 49 does not works, and electric dynamometer 44 loads traction chassis, Under different load-carryings, it is achieved the regulation of speed, measure running resistance, the variable of the degree of depth of sinking；

2) testing certain traveling mechanism under specific edaphic condition, under different load-carryings, motor 49 loads, electric dynamometer 44 by Cumulative big opposing torque, until tested walking mechanism is skidded, can survey the size of maximum adhesion power.

3) under specific edaphic condition, test certain traveling mechanism, under different load-carryings, motor 49 provide walking mechanism pull strength, Electric dynamometer 44 Opposite side loading realizes braking, it is possible to achieve the control of slippage rate under friction speed, records traction under this operating mode Power size, sinkage.

This utility model loads and drives the vehicle-terra mechanics soil slot test stand coordinating to control, and is applied to terra mechanics research Test platform, is placed in tested walking mechanism on Soil Trough Car, is loaded by applying, controls the operating mode such as speed, slippage rate, Seek interaction relationship between tested mechanism and soil.Soil slot test stand has can simulate required pavement conditions, Control experiment The advantages such as parameter, shortens the test period, reduces experimentation cost, the easy inspection process of result of the test.This utility model loads and drives The vehicle-terra mechanics soil slot test stand coordinating to control can realize the testing experiment task of multiple walking mechanism, handle measure entirely by Electromechanical Control completes；In terms of overall plan, use dynamometer machine, motor biaxial loadings, cooperate realization respectively by control Plant the simulation of operating mode；In configuration aspects, parallelogram sturcutre reduces outside dry under ensureing tested walking mechanism stability condition Disturbing, improve certainty of measurement, the height of the parts such as tested walking mechanism fixture realizes flexible adjustment and the transmission of power, gathering sill is adjusted Complete machine structure designs, and has certain superiority.

This utility model is mainly used in the experimental study in Vehicle Engineering terra mechanics direction, mainly for different vehicle with walking machines Structure: as crawler belt, wheel, other special walking mechanisms in varied situations with the research of specific soil active force relation each other.

Servo-actuated vehicle frame of the present utility model can install the wheel of fixing different size size, through mounting flange structure, be allowed to Dismounting it is easily installed between multi-functional clamp.

Owing to this testing stand has power output at motor 49 and electric dynamometer 44 liang, therefore can control to work therebetween The duty that relation is different to reach wheel.

Therefore, loading of the present utility model can be applicable to various different from driving the vehicle-terra mechanics soil slot test stand coordinating to control The crawler belt of physical dimension or wheel running resistance under various edaphic conditions carry out stress measurement, can thus be vehicle The design that optimizes of crawler belt or wheel provides the parameter of various necessity, with the purpose reaching to allow the crawler belt of vehicle or wheel performance more optimize.

Claims (6)

1. load and drive the vehicle-terra mechanics soil slot test stand coordinating to control, it is characterised in that: include underframe (8), underframe (8) top is fixed with casing (2), and the front end edge left and right horizontal direction at casing (2) top is provided with fromer rail (4), casing (2) rear end at top is provided with rear rail (81) along left and right horizontal direction, and the left side of casing (2) is provided with electric dynamometer (44), The support of electric dynamometer (44) is arranged on underframe (8), the rotating shaft of electric dynamometer (44) and measurement of power decelerator (47) Power input shaft by shaft coupling be connected, the casing of measurement of power decelerator (47) is arranged on underframe (8), measurement of power decelerator (47) Power output shaft on be set with decelerator drive sprocket (46), decelerator drive sprocket (46) by driving-chain and decelerator from Movable sprocket (42) transmission is connected, and retarder driven sprocket wheel (42) is sleeved on retarder driven axle (41), retarder driven The axis of axle (41) is positioned at anterior-posterior horizontal direction, and retarder driven axle (41) uses two bearing blocks to be installed in rotation on the end The left end of frame (8), the front end sleeve of retarder driven axle (41) is equipped with driven shaft front wheel driving sprocket wheel (43), retarder driven axle (41) rear end is set with driven shaft rear driving wheel (40), driven shaft front wheel driving sprocket wheel (43) and driven shaft rear driving wheel (40) height is corresponding with the middle and lower part of casing (2), between the left end of driven shaft front wheel driving sprocket wheel (43) and casing (2) Being provided with left front support (1), the top of left front support (1) is provided with left front drive sprocket (48), driven shaft rear driving wheel (40) And being provided with left back support (82) between the left end of casing (2), the top of left back support (82) is provided with left back drive sprocket (45)；

The front portion on casing (2) right side is provided with right anterior branch frame (10), and right anterior branch frame (10) is fixed on underframe (8), right anterior branch The top of frame (10) is upper drive sprocket (54) before being provided with the right side, and the bottom of right anterior branch frame (10) is provided with right front lower drive sprocket (69), The rear portion on casing (2) right side is provided with right after-poppet (77), and right after-poppet (77) is fixed on underframe (8), right after-poppet (77) Top be provided with upper drive sprocket (50) behind the right side, the bottom of right after-poppet (77) is provided with underdrive sprocket wheel behind the right side；

Driven shaft front wheel driving sprocket wheel (43), left front drive sprocket (48), right front upper drive sprocket (54) and the front lower driving-chain in the right side Wheel (69) is meshed with the front wheel driving chain (9) of annular, and the right-hand member of front wheel driving chain (9) is provided with front wheel driving chain tension gear (11), front wheel driving chain tension gear (11) is fixed on the front portion of underframe (8) right-hand member by mounting bracket；

Underdrive chain behind drive sprocket (50) and the right side is gone up behind driven shaft rear driving wheel (40), left back drive sprocket (45), the right side Taking turns the rear drive chain (76) with annular to be meshed, the right-hand member of rear drive chain (76) is provided with rear drive chain tension gear (78), Rear drive chain tension gear (78) is fixed on the rear portion of underframe (8) right-hand member by mounting bracket；

Casing (2) be arranged over test chassis, test chassis include support vehicle frame (29), support vehicle frame (29) bottom before The left end of side is provided with front left support wheel (13) rotationally, and the right-hand member supporting vehicle frame (29) lower front is provided with front right rotationally Supporting wheel (68), the left end supporting vehicle frame (29) bottom rear is provided with rear left support wheel (70) rotationally, supports vehicle frame (29) The right-hand member of bottom rear is provided with rear right support wheel (74), front left support wheel (13), front right support wheel (68), rear left rotationally The centrage supporting wheel (70) and rear right support wheel (74) is positioned at anterior-posterior horizontal direction, and rear left support wheel (70) and rear right are propped up The bottom of the periphery of support wheel (74) is placed on rear rail (81), front left support wheel (13) and front right support wheel (68) The bottom of periphery be placed on fromer rail (4)；

Supporting vehicle frame (29) and be provided with test carriage wheel drive unit, test carriage wheel drive unit includes being arranged on support vehicle frame (29) The motor (49) of right-hand member, the rotating shaft of motor (49) is connected with the power input shaft transmission of reductor (51), reductor (51) Casing be arranged in support vehicle frame (29), the power output shaft of reductor (51) is set with reductor drive sprocket (52), Reductor drive sprocket (52) is connected with the drive sprocket transmission of one-level duplicate sprocket (20) by first grade transmission chain (141), Reductor drive sprocket (52), the periphery of one-level duplicate sprocket (20) are positioned at left and right vertical direction；

Test carriage wheel drive unit also includes front fixing bar (21) and rear fixing bar (150), front fixing bar (21) and rear fix Bar (150) is tilted to the left the most from bottom to top and stretches out, and the bottom of front fixing bar (21) is fixed on top, support vehicle frame (29) right side The front portion of end, the bottom fixing bar (150) afterwards is fixed on the rear portion supporting top, vehicle frame (29) right side, front fixing bar (21) Axis and the axis of rear fixing bar (150) lay respectively in the plane of left and right vertical direction, the axis of front fixing bar (21) and The axis of rear fixing bar (150) is parallel to each other, the axis of front fixing bar (21) and the axis of rear fixing bar (150) and level Angle between face is all 70 °-85 °, and the top of front fixing bar (21) utilizes the first jointed shaft and the first upper junction plate (19) Right front ends be hinged and connected, the first jointed shaft along anterior-posterior horizontal direction arrange, the top fixing bar (150) afterwards is connected with on first The right rear end of plate (19) is hinged and connected, the bottom of front fixing bar (21) and the hinged phase of right front ends of the first lower connecting plate (22) Even, the right rear end of the bottom and the first lower connecting plate (22) of fixing bar (150) afterwards is hinged and connected, the first lower connecting plate (22) The plate face of plate face and the first upper junction plate (19) be parallel to each other, the plate face of the first lower connecting plate (22) and the first upper junction plate (19) angle and between horizontal plane is 40 °-50 °；

The left front end of the first upper junction plate (19) utilizes the right front ends of jointed shaft on second (113) and the second upper junction plate (25) Being hinged and connected with the top of front hinge bar (24), on second, jointed shaft (113) is arranged along anterior-posterior horizontal direction, connects on first The left back end of plate (19) utilizes jointed shaft on second (113) and the right rear end of the second upper junction plate (25) and rear hinge bar (149) Top be hinged and connected；

The left front end of the first lower connecting plate (22) utilizes the right front ends of second time jointed shaft (148) and the second lower connecting plate (23) Being hinged and connected with the bottom of front hinge bar (24), second time jointed shaft (148) is arranged along anterior-posterior horizontal direction, connects for first time The left back end of plate (22) utilizes second time jointed shaft (148) and the right rear end of the second lower connecting plate (23) and rear hinge bar (149) Bottom be hinged and connected；

Front fixing bar (21) is parallel to each other with front hinge bar (24), fixes bar (150) afterwards mutual with rear hinge bar (149) Parallel, the plate face of the second upper junction plate (25) is parallel to each other with the plate face of the second lower connecting plate (23), the second upper junction plate (25) Plate face and the plate face of the second lower connecting plate (23) be positioned near horizontal plane；

The left front end of the second upper junction plate (25) utilizes jointed shaft (146) on the 3rd to be hinged and connected with servo-actuated vehicle frame (30), the On three, jointed shaft (146) is arranged along anterior-posterior horizontal direction, and the left front end of the second lower connecting plate (23) cuts with scissors with servo-actuated vehicle frame (30) Connecing connected, the top of servo-actuated vehicle frame (30) is provided with electronic scale and pallet (31), equipped with multiple balancing weights (32) on pallet (31), The middle part of pallet (31) is fixedly linked with the bottom of guide post (33), and guide post (33) is vertically arranged, guide post (33) middle part uses matched in clearance through fairlead (307), and fairlead (307) is fixed on servo-actuated vehicle frame (30) top Middle part；

One-level duplicate sprocket (20) is sleeved on the front end of the first jointed shaft, and on second, the front end sleeve of jointed shaft (113) is equipped with two grades Duplicate sprocket (17), on the 3rd, the front end sleeve of jointed shaft (146) is equipped with three grades of duplicate sprockets (15), one-level duplicate sprocket (20) Driven sprocket be connected with the drive sprocket transmission of two grades of duplicate sprockets (17) by second grade transmission chain (140), two grades of duplex chains The driven sprocket of wheel (17) is connected with the drive sprocket transmission of three grades of duplicate sprockets (15) by three grades of driving-chains (139), and three The driven sprocket of level duplicate sprocket (15) is connected with spindle sprocket (38) transmission by level Four driving-chain (138), spindle sprocket (38) being sleeved on front splined shaft (34), front splined shaft (34) is installed in rotation on servo-actuated vehicle frame along anterior-posterior horizontal direction (30) bottom of front end, the bottom of servo-actuated vehicle frame (30) rear end is rotatably mounted with rear splined shaft (75) along anterior-posterior horizontal direction, The axis of rear splined shaft (75) overlaps with the axis of front splined shaft (34)；Rear splined shaft (75) and front splined shaft (34) Can slide axially respectively, the height and position of rear splined shaft (75) and front splined shaft (34) is less than the second lower connecting plate (23) Height and position, be provided with between inner end and the inner end of rear splined shaft (75) of front splined shaft (34) test wheel (27), front flower Crawler belt (502) or test wheel (27) transmission of key axle (34) and test track rail assembly are connected, rear splined shaft (75) and Crawler belt (502) or test wheel (27) transmission of test track rail assembly are connected；

The bottom of servo-actuated vehicle frame (30) is provided with tension-compression sensor load transfer device, and tension-compression sensor load transfer device includes in the horizontal direction The horizontal beam (300) that pushes away arranged around test wheel (27), the bottom of the horizontal left end pushing away beam (300) and servo-actuated vehicle frame (30) is solid Fixed being connected, the horizontal beam (300) that pushes away extends the most to the right from the lower section of the second lower connecting plate (23), horizontal pushes away beam (300) Right-hand member be provided with link, link includes two connecting plates (55), and the plate face of two connecting plates (55) lays respectively at vertical side To and be parallel to each other, two connecting plates (55) are one in front and one in back arranged side by side along left and right horizontal direction, two connecting plates (55) Left end is fixedly linked with the horizontal middle part pushing away beam (300) right-hand member, and the right-hand member of two connecting plates is connected by left draw back plate (301), The plate face of left draw back plate (301) is positioned at before and after's vertical direction, and left draw back plate (301) middle part along the longitudinal direction senses with tension and compression One measurement termination of device (56) is fixedly linked, left draw back plate (301) front end along the longitudinal direction and front guide post (57) Left end is fixedly linked, and left draw back plate (301) rear end along the longitudinal direction is fixedly linked with the left end of rear guide post (58), tension and compression The right side of sensor (56) is provided with right draw back plate (302), and the plate face of right draw back plate (302) is positioned at before and after's vertical direction, and the right side pushes away Arm-tie (302) middle part along the longitudinal direction is fixedly linked with another measurement termination of tension-compression sensor (56), front guide post (57) Right-hand member use matched in clearance through the front end of right draw back plate (302), the right-hand member of front guide post (57) is threaded connection spinning Having nut, the right-hand member of rear guide post (58) uses matched in clearance through the rear end of right draw back plate (302), rear guide post (58) Right-hand member be threaded connection and be installed with nut；

The right side of right draw back plate (302) is provided with guide wheel bracket (59), the left end of guide wheel bracket (59) and right draw back plate (302) Being fixedly linked, the right-hand member of guide wheel bracket (59) is provided with directive wheel installing plate, and the plate face of directive wheel installing plate is vertical before and after being positioned at Direction, the right side of directive wheel installing plate is provided with two otic placodes the most side by side, and the plate face of two otic placodes is positioned at left and right vertically Direction, the middle part of two otic placodes is provided with directive wheel and installs axle along anterior-posterior horizontal direction, and the middle part of directive wheel installation axle is set with leads greatly To wheel (60), big directive wheel (60) is between two otic placodes, and directive wheel installs the front end sleeve of axle equipped with front jockey wheel (61)； Front jockey wheel (61) is positioned at the front end of otic placode above, and directive wheel is installed the rear end of axle and is set with rear directive wheel (62)；Rear guiding Wheel (62) is positioned at the rear end of otic placode below；

The right-hand member of the periphery of big directive wheel (60) is affixed towards left end face with blade fin (66), blade fin (66) court Left end face is positioned at before and after's vertical direction, front jockey wheel (61) and rear directive wheel (62) and is respectively placed at a gathering sill (65) In, two gathering sills (65) are the most vertically arranged, the left end of the periphery of front jockey wheel (61) and rear directive wheel (62) The left end inwall with corresponding gathering sill (65) respectively of periphery be affixed, two gathering sills (65) are separately fixed at guiding On slide plate (66), blade fin (66) is the most movably placed on the vertical slideway being positioned at stand (63) left end, guides The right-hand member on slide plate (66) top is fixed with lifting nut, lifting nut spinning on lifting screw (64), lifting screw (64) Bottom rotationally with stand (63) install be connected, the top of lifting screw (64) sets along the radial direction of lifting screw (64) Have turning handle, stand (63) to be positioned at front fixing between bar (21) and rear fixing bar (150), the bottom of stand (63) and Support vehicle frame (29) to be fixedly linked；

The middle part supporting vehicle frame (29) front end is provided with front chain clamping plate assembly (26), and the middle part supporting vehicle frame (29) rear end is installed There is rear chain clamping plate assembly (72), the top that rear chain clamping plate assembly (72) utilizes upper and lower clamping plate to be installed in rear drive chain (76), The top that front chain clamping plate assembly (26) utilizes upper and lower clamping plate to be installed in front wheel driving chain (9)；

The left side supporting vehicle frame (29) front end is provided with front left directive wheel assembly (12), supports the right side peace of vehicle frame (29) front end Equipped with front right directive wheel assembly (67), the periphery of the front left directive wheel of front left directive wheel assembly (12) and front right directive wheel assembly (67) periphery of front right directive wheel is positioned at horizontal direction, the rear end of the periphery of front left directive wheel and the circle of front right directive wheel The rear end of side face is affixed with fromer rail (4) respectively；

The left side supporting vehicle frame (29) rear end is provided with rear left directive wheel assembly (71), supports the right side peace of vehicle frame (29) rear end Equipped with rear right directive wheel assembly (73), the periphery of the rear left directive wheel of rear left directive wheel assembly (71) and rear right directive wheel assembly (73) periphery of rear right directive wheel is positioned at horizontal direction, the front end of the periphery of rear left directive wheel and the circle of rear right directive wheel The front end of side face is affixed with rear rail (81) respectively.

The vehicle-terra mechanics soil slot test stand of control is coordinated in loading the most according to claim 1 with driving, it is characterised in that: The middle part of the front end face of described first upper junction plate (19) is provided with secondary transmission chain tension means (18) assembly, second grade transmission chain The regulating wheel of tensioner (18) matches with second grade transmission chain (140)；The middle part of the front end face of the second upper junction plate (25) It is provided with three grades of chain tensioners (16), the regulating wheel of three grades of chain tensioners (16) and three grades of driving-chains (139) Matching, the front portion of servo-actuated vehicle frame (30) has been provided with level Four chain tensioner (14), level Four chain tensioner (14) Regulating wheel match with level Four driving-chain (138).

The vehicle-terra mechanics soil slot test stand of control is coordinated in loading the most according to claim 2 with driving, it is characterised in that: The top of described front wheel driving chain (9) is set with front pop-up chain guard (3), and the bottom of front wheel driving chain (9) is set with presubiculum Chain guard (6), the top of rear drive chain (76) is set with rear pop-up chain guard (83), the bottom suit of rear drive chain (76) There is rear subiculum chain guard.

The vehicle-terra mechanics soil slot test stand of control is coordinated in loading the most according to claim 3 with driving, it is characterised in that: The bottom of described casing (2) forward and backward lateral wall is respectively equipped with multiple osculum, and the bottom of casing (2) forward and backward lateral wall is divided It is not provided with rhone (7).

The vehicle-terra mechanics soil slot test stand of control is coordinated in loading the most according to claim 4 with driving, it is characterised in that: Described servo-actuated vehicle frame (30) includes the gate frame (305) arranged along vertical direction front and back, and the rear portion of gate frame (305) is stood The top of bar is fixedly linked with the top of pedal stand (28), and pedal stand (28) is vertically arranged, pedal stand (28) Bottom be provided with pedal, the pedal of pedal stand (28) is positioned at the outside on casing (2) rear wall top.

6. according to loading and driving the vehicle-terra mechanics soil bin test coordinating to control in any of the one of claim 1 to 5 Platform, it is characterised in that: the cavity in described casing (2) is rectangle, and the sidewall of casing (2) and bottom use steel plate splicing system Becoming, the lateral wall of casing (2) has vertically been sticked multiple pillar (5).