CN204882098U - Vehicle ground mechanics soil box test bench proof test platform truck - Google Patents

Abstract

Vehicle ground mechanics soil box test bench proof test platform truck, 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 vehicle ground mechanics soil box test bench proof test platform truck who lets the wheel performance of vehicle more optimize.

Description

Vehicle-terra mechanics soil slot test stand test chassis

Technical field

The utility model relates to a kind of vehicle-terra mechanics soil slot test stand test chassis.

Background technology

The optimal design of vehicle needs kinds of experiments parameter, such as, need to carry out stress measurement to the running resistance of wheel under specific edaphic condition, but the data acquisition of being correlated with directly is carried out by the vehicle of actual motion, not only inefficiency, investment is large, and is difficult to accomplish all to run different kinds of roads.For this reason, people devise soil slot test stand, for testing every mechanical property of wheel, but the test chassis of existing soil slot test stand can only be test for the wheel of ad hoc structure size, for the wheel of various different structure size, need to manufacture respectively, each soil slot test stand can not adapt to the wheel of various structures size, and existing soil slot test stand due to project organization unreasonable, the interference causing it to be subject to self power device when testing is larger, cause the precision of testing the data obtained lower, the optimal design to wheel of vehicle can be affected thus.

Utility model content

The purpose of this utility model be to provide a kind of can be applicable to various different physical dimension crawler belt or the running resistance of wheel under various edaphic condition carry out stress measurement, the precision of testing the data obtained is high, the optimal design of the crawler belt or wheel that can thus be vehicle provides various more accurate design parameter, to reach the vehicle-terra mechanics soil slot test stand test chassis allowing the crawler belt of vehicle or wheel performance more optimize.

Vehicle-terra mechanics soil slot test stand test chassis of the present utility model, comprise support frame, the left end of support frame lower front is provided with front left support wheel rotationally, the right-hand member of support frame lower front is provided with front right support wheel rotationally, bottom support frame, the left end of rear side is provided with rear left support wheel rotationally, bottom support frame, the right-hand member of rear side is provided with rear right support wheel rotationally, described front left support wheel, front right support wheel, the center line of rear left support wheel and rear right support wheel is positioned at anterior-posterior horizontal direction, the bottom of the periphery of rear left support wheel and rear right support wheel is placed on described rear rail, the bottom of the periphery of described front left support wheel and front right support wheel is placed on described fromer rail,

Described support frame is provided with test carriage wheel drive unit, test carriage wheel drive unit comprises the motor being arranged on described support frame right-hand member, the rotating shaft of motor is connected with the power input shaft transmission of reductor, the casing of reductor is arranged in described support frame, the power output shaft of reductor is set with reductor drive sprocket, reductor drive sprocket is connected with the drive sprocket transmission of one-level duplicate sprocket by first grade transmission chain, and the periphery of reductor drive sprocket, one-level duplicate sprocket is positioned at left and right vertical direction;

Described test carriage wheel drive unit also comprises front fixed bar and rear fixed bar, front fixed bar and rear fixed bar are tilted to the left from bottom to top respectively and stretch out, the bottom of front fixed bar is fixed on the front portion on top on the right side of support frame, the bottom of rear fixed bar is fixed on the rear portion on top on the right side of support frame, the axis of front fixed bar and the axis of rear fixed bar lay respectively in the plane of left and right vertical direction, the axis of front fixed bar and the axis of rear fixed bar are parallel to each other, the axis of front fixed bar and the angle between the axis of rear fixed bar and surface level are all 70 °-85 °, the top of front fixed 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, the top of rear fixed bar and the right rear end of the first upper junction plate are hinged and connected, the bottom of front fixed bar and the right front ends of the first lower connecting plate are hinged and connected, the bottom of rear fixed bar and the right rear end of the first lower connecting plate are hinged and connected, the plate face of the first lower connecting plate and the plate face of described first upper junction plate are parallel to each other, the plate face of the first lower connecting plate and the angle between the first upper junction plate and surface level are 40 °-50 °,

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

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

Described front fixed bar and described front hinge bar are parallel to each other, described rear fixed bar and described rear hinge bar are parallel to each other, the plate face of described second upper junction plate and the plate face of the second lower connecting plate are 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 surface level;

The left front end of described second upper junction plate utilizes jointed shaft and servo-actuated vehicle frame on the 3rd to be hinged and connected, on 3rd, jointed shaft is arranged along anterior-posterior horizontal direction, left front end and the servo-actuated vehicle frame of described second lower connecting plate are hinged and connected, the top of servo-actuated vehicle frame is provided with electronic scale and pallet, multiple balancing weight pallet is equipped with, the middle part of pallet and the bottom of guide pole are fixedly linked, guide pole is vertically arranged, the middle part of guide pole adopts clearance fit through orienting sleeve, and orienting sleeve is fixed on the middle part on described servo-actuated vehicle frame top;

Described one-level duplicate sprocket is sleeved on the front end of described first jointed shaft, on described second, the front end sleeve of jointed shaft is equipped with secondary duplicate sprocket, on described 3rd, the front end sleeve of jointed shaft is equipped with three grades of duplicate sprockets, the driven sprocket of described one-level duplicate sprocket is connected with the drive sprocket transmission of secondary duplicate sprocket by second grade transmission chain, the driven sprocket of secondary duplicate sprocket is connected with the drive sprocket transmission of three grades of duplicate sprockets by three grades of driving-chains, the driven sprocket of three grades of duplicate sprockets is connected with spindle sprocket transmission by level Four driving-chain, spindle sprocket is sleeved on front splined shaft, front splined shaft is installed in rotation on the bottom of described servo-actuated vehicle frame front end along anterior-posterior horizontal direction, the bottom of servo-actuated vehicle frame rear end is rotatably mounted with rear splined shaft along anterior-posterior horizontal direction, the axis of rear splined shaft and the axis of described front splined shaft overlap, rear splined shaft and front splined shaft can slide axially respectively, the height and position of rear splined shaft and front splined shaft is lower than the height and position of described second lower connecting plate, test wheel is provided with between the inner end of front splined shaft and the inner end of rear splined shaft, the crawler belt of front splined shaft and test track rail assembly or test wheel drive and be connected, the crawler belt of described rear splined shaft and test track rail assembly or test wheel drive and be connected,

The bottom of described servo-actuated vehicle frame is provided with tension-compression sensor load transfer device, tension-compression sensor load transfer device comprise arrange around described test wheel in the horizontal direction horizontally push away beam, the bottom of the horizontal left end and servo-actuated vehicle frame that push away beam is fixedly linked, the horizontal beam that pushes away extends to the right in the horizontal direction from the below of described second lower connecting plate, the horizontal right-hand member pushing away beam is provided with link, link comprises two web joints, the plate face of two web joints lays respectively at vertical direction and is parallel to each other, two web joints are one in front and one in back arranged side by side along left and right horizontal direction, left end and the described horizontal middle part pushing away beam right-hand member of two web joints are fixedly linked, the right-hand member of two web joints is connected by left draw back plate, the plate face of left draw back plate is positioned at front and back vertical direction, measure termination and be fixedly linked for one of left draw back plate middle part along the longitudinal direction and tension-compression sensor, the left end of left draw back plate front end along the longitudinal direction and front guide pole is fixedly linked, the left end of left draw back plate rear end along the longitudinal direction and rear guide pole is fixedly linked, the right side of described tension-compression sensor is provided with right draw back plate, the plate face of right draw back plate is positioned at front and back vertical direction, another of right draw back plate middle part along the longitudinal direction and described tension-compression sensor is measured termination and is fixedly linked, the right-hand member of described front guide pole adopts clearance fit through the front end of right draw back plate, the right-hand member of front guide pole is threaded connection and is installed with nut, the right-hand member of described rear guide pole adopts clearance fit through the rear end of right draw back plate, the right-hand member of rear guide pole is threaded connection and is installed with nut,

The right side of described right draw back plate is provided with guide wheel bracket, left end and the right draw back plate of guide wheel bracket are fixedly linked, the right-hand member of guide wheel bracket is provided with angle sheave installing plate, the plate face of angle sheave installing plate is positioned at front and back vertical direction, the right side of angle sheave installing plate is one in front and one in back provided with two otic placodes side by side, the plate face of two otic placodes is positioned at left and right vertical direction, the middle part of two otic placodes is provided with angle sheave installation shaft along anterior-posterior horizontal direction, the middle part of angle sheave installation shaft is set with large angle sheave, large angle sheave is between two otic placodes, the front end sleeve of angle sheave installation shaft is equipped with front jockey wheel, front jockey wheel is positioned at the front end of otic placode above, and the rear end of angle sheave installation shaft is set with rear angle sheave, rear angle sheave is positioned at the rear end of otic placode below,

The right-hand member of the periphery of described large angle sheave and blade fin are affixed towards the end face on a left side, blade fin is positioned at front and back vertical direction towards the end face on a left side, described front jockey wheel and described rear angle sheave are placed in a gathering sill respectively, two gathering sills are vertically arranged respectively, the left end of the left end of the periphery of described front jockey wheel and the periphery of described rear angle sheave is affixed with the inwall of corresponding gathering sill respectively, two gathering sills are separately fixed on described blade fin, blade fin is movably placed in up and down and is positioned on the vertical slideway of stand left end, the right-hand member on blade fin top is fixed with lifting nut, lifting nut spinning is on lifting screw, the bottom of lifting screw is installed with described stand rotationally and is connected, the top of lifting screw is provided with turning handle along the radial direction of lifting screw, described stand is between described front fixed bar and described rear fixed bar, bottom and the described support frame of stand are fixedly linked,

The middle part of described support frame front end is provided with front chain clamping plate assembly, the middle part of support frame rear end is provided with rear chain clamping plate assembly, rear chain clamping plate assembly utilizes upper and lower clamping plate to be installed in the top of described rear drive chain, and described front chain clamping plate assembly utilizes upper and lower clamping plate to be installed in the top of described front wheel driving chain;

The left side of described support frame front end is provided with front left angle sheave assembly, the right side of support frame front end is provided with front right angle sheave assembly, the periphery of the periphery of the front left angle sheave of front left angle sheave assembly and the front right angle sheave of front right angle sheave assembly is positioned at horizontal direction, and the rear end of the rear end of the periphery of front left angle sheave and the periphery of front right angle sheave is affixed with described fromer rail respectively;

The left side of described support frame rear end is provided with rear left angle sheave assembly, the right side of support frame rear end is provided with rear right angle sheave assembly, the periphery of the periphery of the rear left angle sheave of rear left angle sheave assembly and the rear right angle sheave of rear right angle sheave assembly is positioned at horizontal direction, and the front end of the front end of the periphery of rear left angle sheave and the periphery of rear right angle sheave is affixed with rear rail respectively.

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

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

Further, described front chain clamping plate assembly comprises the installing plate that plate face is positioned at left and right vertical direction, the front of installing plate is provided with arm-tie, the plate face of arm-tie is positioned at horizontal direction, the rear end side of arm-tie and installing plate are weldingly connected towards the middle part of front face, the front end side of arm-tie and the top side of boatswain chair are connected as one, the plate face of boatswain chair is positioned at left and right vertical direction, the bottom side of boatswain chair and the middle part of train wheel bridge are weldingly connected, the plate face of train wheel bridge is positioned at horizontal direction, the below of train wheel bridge is provided with lower plate, lower plate is connected by multiple bolt with train wheel bridge, described rear chain clamping plate assembly is identical with the structure of described front chain clamping plate assembly.

Further, described front left angle sheave assembly comprises the fixed head that plate face is positioned at left and right vertical direction, the front of fixed head is provided with vertical shaft positioning framework, rear end and the fixed head of vertical shaft positioning framework are weldingly connected, the front end of vertical shaft positioning framework is fixed with guide wheel shaft installing sleeve, the axis of guide wheel shaft installing sleeve is positioned at vertical direction, guide wheel shaft is fitted with in guide wheel shaft installing sleeve, the lateral wall that guide wheel shaft protrudes upward guide wheel shaft installing sleeve part is installed with clamp nut and retainer nut, the lateral wall that guide wheel shaft stretches out guide wheel shaft installing sleeve part is downwards provided with front left angle sheave by two bearings, the bottom of guide wheel shaft adopts two bolts to be fixed with shaft end ring, shaft end ring is used for carrying out axial location to described two bearings,

Described front left angle sheave assembly and described front right angle sheave assembly, rear left angle sheave assembly are identical with the structure of rear right angle sheave assembly.

Further, described orienting sleeve is fixed on the middle part of the top cross bar of gate framework by base plate, the bottom of the front vertical rod of gate framework is fixed with front vertical rod bearing seat, the bottom of the rear vertical rod of gate framework is fixed with rear vertical rod bearing seat, the axis of the axis of the center pit of rear vertical rod bearing seat and the center pit of front vertical rod bearing seat is positioned at anterior-posterior horizontal direction and overlaps, two ball bearing are provided with side by side in front vertical rod bearing seat, two ball bearing are sleeved on front female spline support set, described front splined shaft is inserted in front female spline support set by spline joint, the front end front splined shaft being positioned at front female spline support set adopts spline joint to be set with front outer inner spline sleeve, the front end of outer inner spline sleeve before splined shaft being positioned at before described spindle sprocket adopts spline joint suit, the front end described front splined shaft being positioned at spindle sprocket adopts spline joint to be set with front axially outer end stationary fixture, the rear end described front splined shaft being positioned at described front female spline support set adopts spline joint to be set with rear outer inner spline sleeve, axle head stationary fixture before the rear end of inner spline sleeve adopts spline joint to be set with before front splined shaft is positioned at,

Described rear vertical rod bearing seat is provided with two ball bearing side by side, two ball bearing are sleeved on rear female spline support set, described rear splined shaft is inserted in rear female spline support set by spline joint, the rear end rear splined shaft being positioned at rear female spline support set adopts spline joint to be set with rear outer inner spline sleeve, the rear end rear splined shaft being positioned at rear outer inner spline sleeve adopts spline joint to be set with rear axially outer end stationary fixture, the front end rear splined shaft being positioned at rear female spline support set adopts spline joint to be set with rear inner spline sleeve, the front end rear splined shaft being positioned at rear inner spline sleeve adopts spline joint to be set with rear axle head stationary fixture, the wheel hub of described test wheel is connected as one with the axletree of test wheel, before the axletree of test wheel, rear two ends are respectively equipped with the ring flange for connecting, inner end and the inner end of front splined shaft of described rear splined shaft are respectively equipped with the ring flange for being connected, the inner end of rear splined shaft is connected with each other by ring flange with the rear end of the axletree of test wheel, the inner end of front splined shaft is connected with each other by ring flange with the front end of the axletree of test wheel.

Further, the bent plate arm axle that described three grades of chain tensioners comprise bent plate arm and arrange along anterior-posterior horizontal direction, the rear end of bent plate arm axle is fixed on the front end face of described second upper junction plate, described bent plate arm comprises upper arm and underarm, the plate face of upper arm and underarm is positioned at left and right vertical direction, upper arm along left and right vertical direction upwards, be tilted to the right and stretch out, underarm is downward along left and right vertical direction, be tilted to the right and stretch out, the bottom of upper arm and the top of underarm are connected as one, angle between the right edge of upper arm and the right edge of underarm is 120 °-150 °, the connecting portion of upper arm and underarm is provided with bent plate arm axle mounting hole, the front portion of described bent plate arm axle adopts clearance fit to be inserted in bent plate arm axle mounting hole, the top of described upper arm is along being provided with tension wheel shaft along anterior-posterior horizontal direction, the stretching pulley of described three grades of chain tensioners utilizes two ball bearing to be arranged on tension wheel shaft, stretching pulley end face is forward fixed with front bearing gland, stretching pulley end face is backwards fixed with rear bearing gland, the right-hand member of described second upper junction plate front end face is fixed with pull bar fixed leg, the axis of pull bar fixed leg is positioned at anterior-posterior horizontal direction, pull bar fixed leg is set with draw ring, the upper right side of draw ring and pull bar is fixedly linked, pull bar is downward along left and right vertical direction after underarm, be tilted to the right and stretch out, the middle part of pull bar adopts clearance fit through block, block is connected with the middle part of described underarm rear end face, the bottom of pull bar is set with stage clip, stage clip one end upward withstands on described block, stage clip one end down withstands on pull-rod nut, pull-rod nut spinning is in the bottom of described pull bar.

Described secondary transmission chain tension means is identical with the structure of described three grades of chain tensioners.

Described test track rail assembly comprises vehicle frame, the bottom of vehicle frame is set side by side with the bogie wheel of more than three from left to right, the periphery of each bogie wheel is positioned at left and right vertical direction, the axis of the wheel shaft of each bogie wheel is positioned at anterior-posterior horizontal direction, the bottom of the periphery of each bogie wheel is positioned in same level, front end in the middle part of vehicle frame is provided with front bearing supporting seat, rear end in the middle part of vehicle frame is provided with rear bearing supporting seat, rear bearing supporting seat is provided with rear track drive axle by bearing, the axis of rear track drive axle is positioned at anterior-posterior horizontal direction, described front bearing supporting seat is provided with front track drive axle by bearing, the axis of front track drive axle and the axis of rear track drive axle overlap, the xsect of front track drive axle outer end is hexagon or square, the outer end of front track drive axle is set with front joint flange, the middle part of front track drive axle is set with track driving sprocket, the xsect of described rear track drive axle outer end is hexagon or square, the outer end of rear track drive axle is set with rear joint flange, the inner end of rear track drive axle and the inner end of front track drive axle are installed with the end face of disc type torque sensor respectively and are connected, and the housing of disc type torque sensor is installed with described vehicle frame by torque sensor fixed head and is connected,

Described track driving sprocket is connected with the transmission of crawler belt driven sprocket by track drive chain, crawler belt driven sprocket is sleeved on the middle part of crawler belt end axle, the axis of crawler belt end axle is positioned at anterior-posterior horizontal direction, two ends of crawler belt end axle utilize a crawler belt end bearing housing to install with the top of described vehicle frame right-hand member to be connected respectively, the middle part of crawler belt end axle is set with crawler driving whell, crawler driving whell is meshed with the top of the crawler belt right-hand member of annular, the ring surface of crawler belt is positioned at left and right vertical direction, crawler belt upper, lower band lays respectively at horizontal direction, the inside surface of crawler belt left upper part matches with the periphery of inducer, inducer is installed in rotation on the left end of induction wheel carrier, induction wheel carrier is slidably mounted on the slideway of slide rail, the slideway of slide rail is positioned at left and right horizontal direction, slide rail is fixed on the top on the left of described vehicle frame,

Left side in the middle part of described vehicle frame is fixedly linked with left bottom of entrusting wheel carrier, the top that wheel carrier is entrusted on a left side is provided with left carrier wheel rotationally, the periphery of left carrier wheel is positioned at left and right vertical direction, matches with the bottom of the upper band of crawler belt in the top of the periphery of left carrier wheel;

Right side in the middle part of described vehicle frame is fixedly linked with right bottom of entrusting wheel carrier, the top that wheel carrier is entrusted on the right side is provided with right carrier wheel rotationally, the periphery of right carrier wheel is positioned at left and right vertical direction, matches with the bottom of the upper band of crawler belt in the top of the periphery of right carrier wheel;

Match with the upper surface of the lower band of crawler belt in the bottom of the periphery of described bogie wheel;

The inner end of described rear splined shaft is connected with rear joint flange by flange, and the inner end of described front splined shaft is connected with front joint flange by flange.

Vehicle-terra mechanics soil slot test stand test chassis of the present utility model in use, the testing experiment task of multiple travel mechanism can be realized, handle to measure and entirely completed by Electromechanical Control, the utility model is in configuration aspects, the parallelogram swing arm girder construction adopting two groups to connect, external disturbance is reduced under the tested travel mechanism stability condition of guarantee, improve measuring accuracy, add that tested travel mechanism fixture can realize the transmission of flexible adjustment and power, and in the height regulating mechanism design etc. of the parts such as tension-compression sensor, there are outstanding substantive distinguishing features and significant progress.Therefore, vehicle-terra mechanics soil slot test stand test chassis of the present utility model can be applicable to the crawler belt of various different physical dimension or the running resistance of wheel under various edaphic condition carries out stress measurement, the result simulated is closer to virtual condition, the precision of testing the data obtained is high, the optimal design of the crawler belt or wheel that can thus be vehicle provides the parameter of various necessity, allows the crawler belt of vehicle or wheel performance more optimize to reach.

Below in conjunction with accompanying drawing, the utility model vehicle-terra mechanics soil slot test stand test chassis is described further.

Accompanying drawing explanation

Fig. 1 is the front view of the structural representation of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Fig. 2 is the side view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the stereographic map of the structural representation of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Fig. 5 is the front view of the structural representation of the test carriage wheel drive unit of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the stereographic map of Fig. 5;

Fig. 8 is the front view of the structural representation of the tension-compression sensor load transfer device of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Fig. 9 is the vertical view of the structural representation of the tension-compression sensor load transfer device of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Figure 10 is the front view of the structural representation of the front chain clamping plate assembly of the utility model vehicle-terra mechanics soil slot test stand test chassis;

Figure 11 is the front view of the structural representation of three grades of chain tensioners of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Figure 12 is the main pseudosection of the structural representation of the test wheel portion of vehicle-terra mechanics soil slot test stand of the present utility model test chassis;

Figure 13 is the main pseudosection of the structural representation of the front left angle sheave assembly of vehicle-terra mechanics soil slot test stand of the present utility model test chassis.

Embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, the utility model vehicle-terra mechanics soil slot test stand test chassis, comprise support frame 29, the left end of support frame 29 lower front is provided with front left support wheel 13 rotationally, the right-hand member of support frame 29 lower front is provided with front right support wheel 68 rotationally, bottom support frame 29, the left end of rear side is provided with rear left support wheel 70 rotationally, bottom support frame 29, the right-hand member of rear side is provided with rear right support wheel 74 rotationally, front left support wheel 13, front right support wheel 68, the center line of rear left support wheel 70 and rear right support wheel 74 is positioned at anterior-posterior 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, the bottom of the periphery of front left support wheel 13 and front right support wheel 68 is placed on fromer rail 4, support frame 29 can be allowed thus to move along fromer rail 4 and rear rail 81,

Support frame 29 is provided with test carriage wheel drive unit, test carriage wheel drive unit comprises the motor 49 being arranged on support frame 29 right-hand member, the rotating shaft of motor 49 is connected with the power input shaft transmission of reductor 51, the casing of reductor 51 is arranged in support 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, and the periphery of reductor drive sprocket 52, one-level duplicate sprocket 20 is positioned at left and right vertical direction; After motor 49 starts, reductor drive sprocket 52, first grade transmission chain 141 and one-level duplicate sprocket 20 synchronous axial system will be driven by reductor 51.

Test carriage wheel drive unit also comprises front fixed bar 21 and rear fixed bar 150, front fixed bar 21 and rear fixed bar 150 are tilted to the left from bottom to top respectively and stretch out, the bottom of front fixed bar 21 is fixed on the front portion on top on the right side of support frame 29, the bottom of rear fixed bar 150 is fixed on the rear portion on top on the right side of support frame 29, the axis of front fixed bar 21 and the axis of rear fixed bar 150 lay respectively in the plane of left and right vertical direction, the axis of front fixed bar 21 and the axis of rear fixed bar 150 are parallel to each other, the axis of front fixed bar 21 and the angle between the axis of rear fixed bar 150 and surface level are all 70 °-85 °, the top of front fixed bar 21 utilizes the right front ends of the first jointed shaft and the first upper junction plate 19 to be hinged and connected, first jointed shaft is arranged along anterior-posterior horizontal direction, the top of rear fixed bar 150 and the right rear end of the first upper junction plate 19 are hinged and connected, the bottom of front fixed bar 21 and the right front ends of the first lower connecting plate 22 are hinged and connected, the bottom of rear fixed bar 150 and the right rear end of the first lower connecting plate 22 are hinged and connected, the plate face of the first lower connecting plate 22 and the plate face of the first upper junction plate 19 are parallel to each other, the plate face of the first lower connecting plate 22 and the angle between the first upper junction plate 19 and surface level are 40 °-50 °,

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

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

Front fixed bar 21 is parallel to each other with front hinge bar 24, rear fixed bar 150 is parallel to each other with rear hinge bar 149, the plate face of the second upper junction plate 25 and the plate face of the second lower connecting plate 23 are parallel to each other, and the plate face of the second upper junction plate 25 and the plate face of the second lower connecting plate 23 are positioned near surface level;

The left front end of the second upper junction plate 25 utilizes jointed shaft 146 and servo-actuated vehicle frame 30 on the 3rd to be hinged and connected, on 3rd, jointed shaft 146 is arranged along anterior-posterior horizontal direction, left front end and the servo-actuated vehicle frame 30 of the second lower connecting plate 23 are hinged and connected, the top of servo-actuated vehicle frame 30 is provided with electronic scale and pallet 31, multiple balancing weight 32 pallet 31 is equipped with, the middle part of pallet 31 and the bottom of guide pole 33 are fixedly linked, guide pole 33 is vertically arranged, the middle part of guide pole 33 adopts clearance fit through orienting sleeve 307, and orienting sleeve 307 is fixed on the middle part on servo-actuated vehicle frame 30 top; Quantity and weight in use by adjusting balancing weight 32 changes the downward pressure of balancing weight 32, pressure can be delivered on test wheel 27 by servo-actuated vehicle frame 30, then the sandy soil of filling in casing 2 are passed to by test wheel 27, the effect of guide pole 33 guides servo-actuated vehicle frame 30 not tilt to skew in the process of oscilaltion, and the weight transfer do not pressed down by balancing weight 32 is to support frame 29, allow servo-actuated vehicle frame 30 can do oscilaltion campaign relative to support frame 29 more freely.

One-level duplicate sprocket 20 is sleeved on the front end of the first jointed shaft, on second, the front end sleeve of jointed shaft 113 is equipped with secondary duplicate sprocket 17, on 3rd, the front end sleeve of jointed shaft 146 is equipped with three grades of duplicate sprockets 15, the driven sprocket of one-level duplicate sprocket 20 is connected with the drive sprocket transmission of secondary duplicate sprocket 17 by second grade transmission chain 140, the driven sprocket of secondary duplicate sprocket 17 is connected with the drive sprocket transmission of three grades of duplicate sprockets 15 by three grades of driving-chains 139, the driven sprocket of three grades of duplicate sprockets 15 is connected with spindle sprocket 38 transmission by level Four driving-chain 138, spindle sprocket 38 is sleeved on front splined shaft 34, front splined shaft 34 is 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 rotatably mounted with rear splined shaft 75 along anterior-posterior horizontal direction, the axis of rear splined shaft 75 and the axis of front splined shaft 34 overlap, 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 lower than the height and position of the second lower connecting plate 23, be provided with between the inner end of front splined shaft 34 and the inner end of rear splined shaft 75 and test wheel 27, the crawler belt of front splined shaft 34 and test track rail assembly or test wheel 27 transmission and be connected, the crawler belt of rear splined shaft 75 and test track rail assembly or test wheel 27 transmission and be connected,

The test wheel 27 of vehicle-terra mechanics soil slot test stand test chassis of the present utility model can vertically move up and down, but due to many factors, drive system can not be arranged on again on servo-actuated vehicle frame 30.For this reason, test carriage wheel drive unit has been designed to the structure of the parallelogram swing arm beam of two groups of series connection by the utility model, and the parallelogram swing arm beam of these two groups series connection comprises the first upper junction plate 19, upper jointed shaft 113, second upper junction plate 25, front hinge bar 24, jointed shaft 113 on second, rear hinge bar 149, first lower connecting plate 22, second time jointed shaft 148, second lower connecting plate 23, front hinge bar 24, second lower connecting plate 23, second parts such as upper junction plate 25 grade, after one end of parallelogram swing arm beams of these two groups series connection is connected with servo-actuated vehicle frame 30, what can realize with servo-actuated vehicle frame 30 is servo-actuated up and down, and the rotary power that motor 49 can be exported again is by reductor 51, reductor drive sprocket 52, first grade transmission chain 141, one-level duplicate sprocket 20, second grade transmission chain 140, secondary duplicate sprocket 17, three grades of driving-chains 139, three grades of duplicate sprockets 15, level Four driving-chain 138, spindle sprocket 38, front splined shaft 34 is passed to crawler belt or the test wheel 27 of test track rail assembly, drives the crawler belt of test track rail assembly or test wheel 27 to rotate.Above-mentioned design successfully avoids the impact on the parallelogram swing arm beam of two groups of series connection of pulling force suffered by each driving-chain, and then decreases the problem of measuring accuracy of external disturbing 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 the free movement of vertical ground direction, can ensure that servo-actuated vehicle frame can not twist phenomenon simultaneously.This structure ensure that the test wheel 27 be fixed on servo-actuated vehicle frame 30 can bear load vertically downward symmetrically, compensates because soil sink the difference in height caused simultaneously.When measuring along soil box direction interaction force, due to servo-actuated vehicle frame 30 freedom in the direction in which, ensure that the precision of measurement.

See Fig. 7, Fig. 8 and Fig. 9, the bottom of servo-actuated vehicle frame 30 is provided with tension-compression sensor load transfer device, tension-compression sensor load transfer device comprise arrange around test wheel 27 in the horizontal direction horizontally push away beam 300, the bottom of the horizontal left end and servo-actuated vehicle frame 30 that push away beam 300 is fixedly linked, the horizontal beam 300 that pushes away extends to the right in the horizontal direction from the below of the second lower connecting plate 23, the horizontal right-hand member pushing away beam 300 is provided with link, link comprises two web joints 55, the plate face of two web joints 55 lays respectively at vertical direction and is parallel to each other, two web joints 55 are one in front and one in back arranged side by side along left and right horizontal direction, left end and the horizontal middle part pushing away beam 300 right-hand member of two web joints 55 are fixedly linked, the right-hand member of two web joints is connected by left draw back plate 301, the plate face of left draw back plate 301 is positioned at front and back vertical direction, measure termination and be fixedly linked for one of left draw back plate 301 middle part along the longitudinal direction and tension-compression sensor 56, the left end of left draw back plate 301 front end along the longitudinal direction and front guide pole 57 is fixedly linked, the left end of left draw back plate 301 rear end along the longitudinal direction and rear guide pole 58 is fixedly linked, the right side of tension-compression sensor 56 is provided with right draw back plate 302, the plate face of right draw back plate 302 is positioned at front and back vertical direction, another of right draw back plate 302 middle part along the longitudinal direction and tension-compression sensor 56 is measured termination and is fixedly linked, the right-hand member of front guide pole 57 adopts clearance fit through the front end of right draw back plate 302, the right-hand member of front guide pole 57 is threaded connection and is installed with nut, the right-hand member of rear guide pole 58 adopts clearance fit through the rear end of right draw back plate 302, the right-hand member of rear guide pole 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, left end and the right draw back plate 302 of guide wheel bracket 59 are fixedly linked, the right-hand member of guide wheel bracket 59 is provided with angle sheave installing plate, the plate face of angle sheave installing plate is positioned at front and back vertical direction, the right side of angle sheave installing plate is one in front and one in back provided with two otic placodes side by side, the plate face of two otic placodes is positioned at left and right vertical direction, the middle part of two otic placodes is provided with angle sheave installation shaft along anterior-posterior horizontal direction, the middle part of angle sheave installation shaft is set with large angle sheave 60, large angle sheave 60 is between two otic placodes, the front end sleeve of angle sheave installation shaft is equipped with front jockey wheel 61, front jockey wheel 61 is positioned at the front end of otic placode above, and the rear end of angle sheave installation shaft is set with rear angle sheave 62, rear angle sheave 62 is positioned at the rear end of otic placode below,

The right-hand member of the periphery of large angle sheave 60 and blade fin 66 are affixed towards the end face on a left side, blade fin 66 is positioned at front and back vertical direction towards the end face on a left side, front jockey wheel 61 and rear angle sheave 62 are placed in a gathering sill 65 respectively, two gathering sills 65 are vertically arranged respectively, the left end of the left end of the periphery of front jockey wheel 61 and the periphery of rear angle sheave 62 is affixed with the inwall of corresponding gathering sill 65 respectively, two gathering sills 65 are separately fixed on blade fin 66, blade fin about 66 be movably placed in be positioned at stand 63 left end vertical slideway on, the right-hand member on blade fin 66 top is fixed with lifting nut, lifting nut spinning is on lifting screw 64, the bottom of lifting screw 64 is installed with stand 63 rotationally and is connected, the top of lifting screw 64 is provided with turning handle along the radial direction of lifting screw 64, stand 63 is between front fixed bar 21 and rear fixed bar 150, bottom and the support frame 29 of stand 63 are fixedly linked,

Above-mentioned project organization can reduce the suffered extraneous interference of tension-compression sensor 56.The textural associations such as guide wheel bracket 59, front jockey wheel 61, rear angle sheave 62 and large angle sheave 60, when allowing parts such as tension-compression sensor 56 grade freely up and down to move, can transmit the effect of the power in former and later two directions.Gathering sill 65 and the composite design of blade fin 66, can realize rotating the adjustment that lifting screw 64 pairs of blade fins 66 carry out height.

The middle part of support frame 29 front end is provided with front chain clamping plate assembly 26, the middle part of support frame 29 rear end is provided with rear chain clamping plate assembly 72, rear chain clamping plate assembly 72 utilizes upper and lower clamping plate to be installed in the top of rear drive chain 76, and front chain clamping plate assembly 26 utilizes upper and lower clamping plate to be installed in the top of front wheel driving chain 9; In use, the driving force that front wheel driving chain 9 can pass over by front chain clamping plate assembly 26 passes to support frame 29 from the front center of support frame 29, the driving force that rear drive chain 76 passes over by rear chain clamping plate assembly 72 passes to support frame 29 in the middle part of the rear end of support frame 29, allows support frame 29 under the traction of front wheel driving chain 9, rear drive chain 76, make left right horizontal movement very stably thus.

The left side of support frame 29 front end is provided with front left angle sheave assembly 12, the right side of support frame 29 front end is provided with front right angle sheave assembly 67, the periphery of the periphery of the front left angle sheave of front left angle sheave assembly 12 and the front right angle sheave of front right angle sheave assembly 67 is positioned at horizontal direction, and the rear end of the rear end of the periphery of front left angle sheave and the periphery of front right angle sheave is affixed with fromer rail 4 respectively;

The left side of support frame 29 rear end is provided with rear left angle sheave assembly 71, the right side of support frame 29 rear end is provided with rear right angle sheave assembly 73, the periphery of the periphery of the rear left angle sheave of rear left angle sheave assembly 71 and the rear right angle sheave of rear right angle sheave assembly 73 is positioned at horizontal direction, and the front end of the front end of the periphery of rear left angle sheave and the periphery of rear right angle sheave is affixed with rear rail 81 respectively.

In use, front left angle sheave assembly 12, front right angle sheave assembly 67, rear left angle sheave assembly 71 and rear right angle sheave assembly 73 can allow support frame 29 can not occur when being subject to draw to cause test chassis depart from the swing of fromer rail 4 and rear rail 81 and topple, and can ensure that support frame 29 can make left right horizontal movement very stably under the traction of front wheel driving chain 9, rear drive chain 76 thus.

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 secondary transmission chain tension means 18, and the stretching pulley of secondary transmission chain tension means 18 matches with second grade transmission chain 140; The middle part of the front end face of the second upper junction plate 25 is provided with three grades of chain tensioners 16, the stretching pulley of three grades of chain tensioners 16 matches with three grades of driving-chains 139, the front portion of described servo-actuated vehicle frame 30 has been provided with level Four chain tensioner 14, and the stretching pulley of level Four chain tensioner 14 matches with described level Four driving-chain 138.

As further improvement of the utility model, above-mentioned servo-actuated vehicle frame 30 comprises the gate framework 305 arranged along front and back vertical direction, the top of the rear upright of gate framework 305 and the top of pedal stand 28 are fixedly linked, pedal stand 28 is vertically arranged, 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.

See Fig. 1, Fig. 2, Fig. 3 and Figure 10, as further improvement of the utility model, above-mentioned front chain clamping plate assembly 26 comprises the installing plate 376 that plate face is positioned at left and right vertical direction, installing plate 376 and support frame 29 are fixedly linked, the front of installing plate 376 is provided with arm-tie 377, the plate face of arm-tie 377 is positioned at horizontal direction, the rear end side of arm-tie 377 and installing plate 376 are weldingly connected towards the middle part of front face, the front end side of arm-tie 377 and the top side of boatswain chair 378 are connected as one, the plate face of boatswain chair 378 is positioned at left and right vertical direction, the bottom side of boatswain chair 378 and the middle part of train wheel bridge 379 are weldingly connected, the plate face of train wheel bridge 379 is positioned at horizontal direction, the below of train wheel bridge 379 is provided with lower plate 380, lower plate 380 is connected by multiple bolt 101 with train wheel bridge 379, rear chain clamping plate assembly 72 is identical with the structure of front chain clamping plate assembly 26.

See Fig. 1, Fig. 3, Fig. 4 and Figure 13, as further improvement of the utility model, above-mentioned front left angle sheave assembly 12 comprises the fixed head 390 that plate face is positioned at left and right vertical direction, fixed head 390 and support frame 29 are fixedly linked, the front of fixed head 390 is provided with vertical shaft positioning framework 103, rear end and the fixed head 390 of vertical shaft positioning framework 103 are weldingly connected, the front end of vertical shaft positioning framework 103 is fixed with guide wheel shaft installing sleeve 391, the axis of guide wheel shaft installing sleeve 391 is positioned at vertical direction, guide wheel shaft 106 is fitted with in guide wheel shaft installing sleeve 391, the lateral wall that guide wheel shaft 106 protrudes upward guide wheel shaft installing sleeve 391 part is installed with clamp nut 104 and retainer nut 105, by two bearings 110 on the lateral wall that guide wheel shaft 106 stretches out guide wheel shaft installing sleeve 391 part downwards, 111 are provided with front left angle sheave 107, the bottom of guide wheel shaft 106 adopts two bolts 108, 113 are fixed with shaft end ring 112, shaft end ring 112 is for two bearings 110, 111 carry out axial location,

Front left angle sheave assembly 12 and front right angle sheave assembly 67, rear left angle sheave assembly 71 are identical with the structure of rear right angle sheave assembly 73.As mentioned above, front left angle sheave assembly 12, front right angle sheave assembly 67, rear left angle sheave assembly 71 and rear right angle sheave assembly 73 can allow support frame 29 can not occur when being subject to draw to cause test chassis depart from the swing of fromer rail 4 and rear rail 81 and topple, and can ensure that support frame 29 can make left right horizontal movement very stably under the traction of front wheel driving chain 9, rear drive chain 76 thus.

See Fig. 4, Fig. 6, Fig. 7 and Figure 12, as further improvement of the utility model, above-mentioned servo-actuated vehicle frame 30 comprises the gate framework 305 arranged along front and back vertical direction, orienting sleeve 307 is fixed on the middle part of the top cross bar of gate framework 305 by base plate 306, the bottom of the front vertical rod of gate framework 305 is fixed with front vertical rod bearing seat, the bottom of the rear vertical rod of gate framework 305 is fixed with rear vertical rod bearing seat, the axis of the axis of the center pit of rear vertical rod bearing seat and the center pit of front vertical rod bearing seat is positioned at anterior-posterior horizontal direction and overlaps, two ball bearing are provided with side by side in front vertical rod bearing seat, two ball bearing are sleeved on front female spline support set 87, front splined shaft 34 is inserted in front female spline support set 87 by spline joint, the front end front splined shaft 34 being positioned at front female spline support set 87 adopts spline joint to be set with front outer inner spline sleeve 37, the front end of outer inner spline sleeve 37 before splined shaft 34 being positioned at before spindle sprocket 38 adopts spline joint to be set with, the front end front splined shaft 34 being positioned at spindle sprocket 38 adopts spline joint to be set with front axially outer end stationary fixture 39, the rear end front splined shaft 34 being positioned at front female spline support set 87 adopts spline joint to be set with rear outer inner spline sleeve 143, axle head stationary fixture 35 before the rear end of inner spline sleeve 143 adopts spline joint to be set with before front splined shaft 34 is positioned at, in use, when spindle sprocket 38 drives front splined shaft 34 to rotate, front splined shaft 34 can drive the crawler belt of test track rail assembly or test wheel 27 to rotate.

Rear vertical rod bearing seat is provided with two ball bearing side by side, two ball bearing are sleeved on rear female spline support set 88, rear splined shaft 75 is inserted in rear female spline support set 88 by spline joint, the rear end rear splined shaft 75 being positioned at rear female spline support set 88 adopts spline joint to be set with rear outer inner spline sleeve 85, the rear end rear splined shaft 75 being positioned at rear outer inner spline sleeve 85 adopts spline joint to be set with rear axially outer end stationary fixture 79, the front end rear splined shaft 75 being positioned at rear female spline support set 88 adopts spline joint to be set with rear inner spline sleeve 86, the front end rear splined shaft 75 being positioned at rear inner spline sleeve 86 adopts spline joint to be set with rear axle head stationary fixture 80, the wheel hub of test wheel 27 is connected as one with the axletree of test wheel 27, before the axletree of test wheel 27, rear two ends are respectively equipped with the ring flange for connecting, inner end and the inner end of front splined shaft 34 of rear splined shaft 75 are respectively equipped with the ring flange for being connected, the inner end of rear splined shaft 75 is connected with each other by ring flange with the rear end of the axletree of test wheel 27, the inner end of front splined shaft 34 is connected with each other by ring flange with the front end of the axletree of test wheel 27.

In use, when test wheel 27 loaded onto by needs on servo-actuated vehicle frame 30, first front splined shaft 34 or rear splined shaft 75 can be pulled outwardly along anterior-posterior horizontal direction, the spacing between the inner end of front splined shaft 34 and the inner end of rear splined shaft 75 is allowed to become large, then between inner end test wheel 27 being placed on front splined shaft 34 and the inner end of rear splined shaft 75, the inner end of splined shaft 75 and the ring flange of the rear end of the axletree of test wheel 27 after recycling bolt connects, and utilize bolt to connect the inner end of front splined shaft 34 and the ring flange of the front end of the axletree of test wheel 27, installation testing wheel 27 can be completed.The process unloading test wheel 27 is then contrary with it.

See Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Figure 11, as further improvement of the utility model, the bent plate arm axle 124 that above-mentioned three grades of chain tensioners 16 comprise bent plate arm 136 and arrange along anterior-posterior horizontal direction, the rear end of bent plate arm axle 124 is fixed on the front end face of the second upper junction plate 25, bent plate arm (136) comprises upper arm and underarm, the plate face of upper arm and underarm is positioned at left and right vertical direction, upper arm along left and right vertical direction upwards, be tilted to the right and stretch out, underarm is downward along left and right vertical direction, be tilted to the right and stretch out, the bottom of upper arm and the top of underarm are connected as one, angle between the right edge of upper arm and the right edge of underarm is 120 °-150 °, the connecting portion of upper arm and underarm is provided with bent plate arm axle mounting hole, the front portion of bent plate arm axle 124 adopts clearance fit to be inserted in bent plate arm axle mounting hole, the top of upper arm is along being provided with tension wheel shaft 129 along anterior-posterior horizontal direction, the stretching pulley 133 of three grades of chain tensioners 16 utilizes two ball bearing 132, 135 are arranged on tension wheel shaft 129, stretching pulley 133 end face is forward fixed with front bearing gland 134, stretching pulley 133 end face is backwards fixed with rear bearing gland 131, the right-hand member of the second upper junction plate 25 front end face is fixed with pull bar fixed leg 128, the axis of pull bar fixed leg 128 is positioned at anterior-posterior horizontal direction, pull bar fixed leg 128 is set with draw ring 127, draw ring 127 is fixedly linked with the upper right side of pull bar, pull bar is downward along left and right vertical direction after underarm, be tilted to the right and stretch out, the middle part of pull bar adopts clearance fit through block 201, block 201 is connected with the middle part of underarm rear end face, the bottom of pull bar is set with stage clip 125, stage clip 125 one end upward withstands on block 201, stage clip 125 one end down withstands on pull-rod nut 126, pull-rod nut 126 spinning is in the bottom of pull bar.In use, stage clip 125 one end upward can push block 201 all the time, thrust can be passed to underarm by block 201, allows bent plate arm 136 do counterclockwise swing around bent plate arm axle 124, and then allows stretching pulley 133 keep tightly withstanding 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.

The utility model vehicle-terra mechanics soil slot test stand test chassis, be the test platform being applied to terra mechanics research, tested travel mechanism is placed on Soil Trough Car, by applying load, the operating mode such as control rate, slippage rate, seeks interaction relationship between tested mechanism and soil.Soil slot test stand has can simulate required pavement conditions, Control experiment parameter, shortens the test period, reduces experimentation cost, the advantages such as the easy inspection process of test findings.The utility model vehicle-terra mechanics soil slot test stand test chassis can realize the testing experiment task of multiple travel mechanism, handles to measure entirely to be completed by Electromechanical Control; In overall plan, adopting dynamometer machine, motor biaxial loadings, realizing the simulation of various operating mode by controlling to cooperatively interact; In configuration aspects, parallelogram sturcutre reduces external disturbance under the tested travel mechanism stability condition of guarantee, improves measuring accuracy, and tested travel mechanism fixture realizes the transmission of flexible adjustment and power, the height regulating mechanism design of the parts such as gathering sill, has certain superiority.

The utility model vehicle-terra mechanics soil slot test stand test chassis, be mainly used in the experimental study in Vehicle Engineering terra mechanics direction, the travel mechanism mainly for different: as crawler belt, wheel, other special travel mechanisms in varied situations with the research of specific soil acting force relation each other.

The utility model vehicle-terra mechanics soil slot test stand test chassis, structurally devise the parallelogram swing arm beam of two groups of series connection, on the stable basis of stand, reduce the External force interference of each side thus, improve the pulling force sensor 56 between servo-actuated vehicle frame and support frame 20 connected by the parallelogram swing arm beams of two groups of series connection survey the precision of pulling force numerical value; The mount fixing structure of test wheel 27 can ensure the change that the axial length of axletree under the condition of power normal delivery is flexible, and to adapt to the travel mechanism mounting arrangements of dissimilar size, this is not available for other existing soil slot test stands.

The utility model vehicle-terra mechanics soil slot test stand test chassis can install multiple tested travel mechanism, the test that can carry out is comparatively comprehensive, before covering realization with a testing table, the function of multiple soil slot test stand, breaches the tested travel mechanism of soil slot test stand and can not change, should not change, change the incomplete limitation of type.

Therefore, vehicle-terra mechanics soil slot test stand test chassis of the present utility model can be applicable to the crawler belt of various different physical dimension or the running resistance of wheel under various edaphic condition carries out stress measurement, test the precision of the data obtained, the optimal design of the crawler belt or wheel that can thus be vehicle provides the parameter of various necessity, allows the crawler belt of vehicle or wheel performance more optimize to reach.

Claims (7)

1. vehicle-terra mechanics soil slot test stand test chassis, it is characterized in that: comprise support frame (29), the left end of support frame (29) lower front is provided with front left support wheel (13) rotationally, the right-hand member of support frame (29) lower front is provided with front right support wheel (68) rotationally, the left end of support frame (29) bottom rear side is provided with rear left support wheel (70) rotationally, the right-hand member of support frame (29) bottom rear side is provided with rear right support wheel (74) rotationally, described front left support wheel (13), front right support wheel (68), the center line of rear left support wheel (70) and rear right support wheel (74) is positioned at anterior-posterior 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), the bottom of the periphery of described front left support wheel (13) and front right support wheel (68) is placed on fromer rail (4),

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

Described test carriage wheel drive unit also comprises front fixed bar (21) and rear fixed bar (150), front fixed bar (21) and rear fixed bar (150) are tilted to the left from bottom to top respectively and stretch out, the bottom of front fixed bar (21) is fixed on the front portion on top, support frame (29) right side, the bottom of rear fixed bar (150) is fixed on the rear portion on top, support frame (29) right side, the axis of front fixed bar (21) and the axis of rear fixed bar (150) lay respectively in the plane of left and right vertical direction, the axis of front fixed bar (21) and the axis of rear fixed bar (150) are parallel to each other, the axis of front fixed bar (21) and the angle between the axis of rear fixed bar (150) and surface level are all 70 °-85 °, the top of front fixed bar (21) utilizes the right front ends of the first jointed shaft and the first upper junction plate (19) to be hinged and connected, first jointed shaft is arranged along anterior-posterior horizontal direction, the top of rear fixed bar (150) and the right rear end of the first upper junction plate (19) are hinged and connected, the bottom of front fixed bar (21) and the right front ends of the first lower connecting plate (22) are hinged and connected, the bottom of rear fixed bar (150) and the right rear end of the first lower connecting plate (22) are hinged and connected, the plate face of the first lower connecting plate (22) and the plate face of described first upper junction plate (19) are parallel to each other, the plate face of the first lower connecting plate (22) and the angle between the first upper junction plate (19) and surface level are 40 °-50 °,

The left front end of described first upper junction plate (19) utilizes jointed shaft on second (113) to be hinged and connected with the right front ends of the second upper junction plate (25) and the top of front hinge bar (24), on second, jointed shaft (113) is arranged along anterior-posterior horizontal direction, and the left back end of the first upper junction plate (19) utilizes jointed shaft on second (113) 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 described first lower connecting plate (22) utilizes second time jointed shaft (148) to be hinged and connected with the right front ends of the second lower connecting plate (23) and the bottom of front hinge bar (24), second time jointed shaft (148) is arranged along anterior-posterior horizontal direction, and the left back end of the first lower connecting plate (22) utilizes second time jointed shaft (148) 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);

Described front fixed bar (21) and described front hinge bar (24) are parallel to each other, described rear fixed bar (150) and described rear hinge bar (149) are parallel to each other, the plate face of described second upper junction plate (25) and the plate face of the second lower connecting plate (23) are parallel to each other, and the plate face of the second upper junction plate (25) and the plate face of the second lower connecting plate (23) are positioned near surface level;

The left front end of described second upper junction plate (25) utilizes jointed shaft (146) and servo-actuated vehicle frame (30) on the 3rd to be hinged and connected, on 3rd, jointed shaft (146) is arranged along anterior-posterior horizontal direction, left front end and the servo-actuated vehicle frame (30) of described second lower connecting plate (23) are hinged and connected, the top of servo-actuated vehicle frame (30) is provided with electronic scale and pallet (31), multiple balancing weight (32) pallet (31) is equipped with, the middle part of pallet (31) and the bottom of guide pole (33) are fixedly linked, guide pole (33) is vertically arranged, the middle part of guide pole (33) adopts clearance fit through orienting sleeve (307), orienting sleeve (307) is fixed on the middle part on described servo-actuated vehicle frame (30) top,

Described one-level duplicate sprocket (20) is sleeved on the front end of described first jointed shaft, on described second, the front end sleeve of jointed shaft (113) is equipped with secondary duplicate sprocket (17), on described 3rd, the front end sleeve of jointed shaft (146) is equipped with three grades of duplicate sprockets (15), the driven sprocket of described one-level duplicate sprocket (20) is connected with the drive sprocket transmission of secondary duplicate sprocket (17) by second grade transmission chain (140), the driven sprocket of secondary duplicate sprocket (17) is connected with the drive sprocket transmission of three grades of duplicate sprockets (15) by three grades of driving-chains (139), the driven sprocket of three grades of duplicate sprockets (15) is connected with spindle sprocket (38) transmission by level Four driving-chain (138), spindle sprocket (38) is sleeved on front splined shaft (34), front splined shaft (34) is installed in rotation on the bottom of described servo-actuated vehicle frame (30) front end along anterior-posterior horizontal direction, 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) and the axis of described front splined shaft (34) overlap, 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 lower than the height and position of described second lower connecting plate (23), be provided with between the inner end of front splined shaft (34) and the inner end of rear splined shaft (75) and test wheel (27), front splined shaft (34) is connected with test wheel (27) transmission, and described rear splined shaft (75) is connected with test wheel (27) transmission,

The bottom of described servo-actuated vehicle frame (30) is provided with tension-compression sensor load transfer device, tension-compression sensor load transfer device comprise arrange around described test wheel (27) in the horizontal direction horizontally push away beam (300), the bottom of the horizontal left end and servo-actuated vehicle frame (30) that push away beam (300) is fixedly linked, the horizontal beam (300) that pushes away extends to the right in the horizontal direction from the below of described second lower connecting plate (23), the horizontal right-hand member pushing away beam (300) is provided with link, link comprises two web joints (55), the plate face of two web joints (55) lays respectively at vertical direction and is parallel to each other, two web joints (55) are one in front and one in back arranged side by side along left and right horizontal direction, left end and the described horizontal middle part pushing away beam (300) right-hand member of two web joints (55) are fixedly linked, the right-hand member of two web joints is connected by left draw back plate (301), the plate face of left draw back plate (301) is positioned at front and back vertical direction, measure termination and be fixedly linked for one of left draw back plate (301) middle part along the longitudinal direction and tension-compression sensor (56), the left end of left draw back plate (301) front end along the longitudinal direction and front guide pole (57) is fixedly linked, the left end of left draw back plate (301) rear end along the longitudinal direction and rear guide pole (58) is fixedly linked, the right side of described tension-compression sensor (56) is provided with right draw back plate (302), the plate face of right draw back plate (302) is positioned at front and back vertical direction, another of right draw back plate (302) middle part along the longitudinal direction and described tension-compression sensor (56) is measured termination and is fixedly linked, the right-hand member of described front guide pole (57) adopts clearance fit through the front end of right draw back plate (302), the right-hand member of front guide pole (57) is threaded connection and is installed with nut, the right-hand member of described rear guide pole (58) adopts clearance fit through the rear end of right draw back plate (302), the right-hand member of rear guide pole (58) is threaded connection and is installed with nut,

The right side of described right draw back plate (302) is provided with guide wheel bracket (59), left end and the right draw back plate (302) of guide wheel bracket (59) are fixedly linked, the right-hand member of guide wheel bracket (59) is provided with angle sheave installing plate, the plate face of angle sheave installing plate is positioned at front and back vertical direction, the right side of angle sheave installing plate is one in front and one in back provided with two otic placodes side by side, the plate face of two otic placodes is positioned at left and right vertical direction, the middle part of two otic placodes is provided with angle sheave installation shaft along anterior-posterior horizontal direction, the middle part of angle sheave installation shaft is set with large angle sheave (60), large angle sheave (60) is between two otic placodes, the front end sleeve of angle sheave installation shaft is equipped with front jockey wheel (61), front jockey wheel (61) is positioned at the front end of otic placode above, and the rear end of angle sheave installation shaft is set with rear angle sheave (62), rear angle sheave (62) is positioned at the rear end of otic placode below,

The right-hand member of the periphery of described large angle sheave (60) and blade fin (66) are affixed towards the end face on a left side, blade fin (66) is positioned at front and back vertical direction towards the end face on a left side, described front jockey wheel (61) and described rear angle sheave (62) are placed in a gathering sill (65) respectively, two gathering sills (65) are vertically arranged respectively, the left end of the left end of the periphery of described front jockey wheel (61) and the periphery of described rear angle sheave (62) is affixed with the inwall of corresponding gathering sill (65) respectively, two gathering sills (65) are separately fixed on described blade fin (66), blade fin (66) be movably placed in up and down be positioned at stand (63) left end vertical slideway on, the right-hand member on blade fin (66) top is fixed with lifting nut, lifting nut spinning is on lifting screw (64), the bottom of lifting screw (64) is installed with described stand (63) rotationally and is connected, the top of lifting screw (64) is provided with turning handle along the radial direction of lifting screw (64), described stand (63) is positioned between described front fixed bar (21) and described rear fixed bar (150), bottom and the described support frame (29) of stand (63) are fixedly linked,

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

The left side of described support frame (29) front end is provided with front left angle sheave assembly (12), the right side of support frame (29) front end is provided with front right angle sheave assembly (67), the periphery of the periphery of the front left angle sheave of front left angle sheave assembly (12) and the front right angle sheave of front right angle sheave assembly (67) is positioned at horizontal direction, and the rear end of the rear end of the periphery of front left angle sheave and the periphery of front right angle sheave is affixed with described fromer rail (4) respectively;

The left side of described support frame (29) rear end is provided with rear left angle sheave assembly (71), the right side of support frame (29) rear end is provided with rear right angle sheave assembly (73), the periphery of the periphery of the rear left angle sheave of rear left angle sheave assembly (71) and the rear right angle sheave of rear right angle sheave assembly (73) is positioned at horizontal direction, and the front end of the front end of the periphery of rear left angle sheave and the periphery of rear right angle sheave is affixed with described rear rail (81) respectively.

2. vehicle-terra mechanics soil slot test stand test chassis according to claim 1, it is characterized 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, the stretching pulley of secondary transmission chain tension means (18) matches with described second grade transmission chain (140); The middle part of the front end face of described second upper junction plate (25) is provided with three grades of chain tensioners (16), the stretching pulley of three grades of chain tensioners (16) matches with described three grades of driving-chains (139), the front portion of described servo-actuated vehicle frame (30) has been provided with level Four chain tensioner (14), and the stretching pulley of level Four chain tensioner (14) matches with described level Four driving-chain (138).

3. vehicle-terra mechanics soil slot test stand test chassis according to claim 2, it is characterized in that: described servo-actuated vehicle frame (30) comprises the gate framework (305) arranged along front and back vertical direction, the top of the rear upright of described gate framework (305) and the top of pedal stand (28) are fixedly linked, pedal stand (28) is vertically arranged, 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.

4. vehicle-terra mechanics soil slot test stand test chassis according to claim 3, it is characterized in that: described front chain clamping plate assembly (26) comprises the installing plate (376) that plate face is positioned at left and right vertical direction, the front of installing plate (376) is provided with arm-tie (377), the plate face of arm-tie (377) is positioned at horizontal direction, the rear end side of arm-tie (377) and installing plate (376) are weldingly connected towards the middle part of front face, the front end side of arm-tie (377) and the top side of boatswain chair (378) are connected as one, the plate face of boatswain chair (378) is positioned at left and right vertical direction, the bottom side of boatswain chair (378) and the middle part of train wheel bridge (379) are weldingly connected, the plate face of train wheel bridge (379) is positioned at horizontal direction, the below of train wheel bridge (379) is provided with lower plate (380), lower plate (380) is connected by multiple bolt (101) with train wheel bridge (379), described rear chain clamping plate assembly (72) is identical with the structure of described front chain clamping plate assembly (26).

5. vehicle-terra mechanics soil slot test stand test chassis according to claim 4, it is characterized in that: described front left angle sheave assembly (12) comprises the fixed head (390) that plate face is positioned at left and right vertical direction, the front of fixed head (390) is provided with vertical shaft positioning framework (103), rear end and the fixed head (390) of vertical shaft positioning framework (103) are weldingly connected, the front end of vertical shaft positioning framework (103) is fixed with guide wheel shaft installing sleeve (391), the axis of guide wheel shaft installing sleeve (391) is positioned at vertical direction, guide wheel shaft (106) is fitted with in guide wheel shaft installing sleeve (391), guide wheel shaft (106) protrudes upward on guide wheel shaft installing sleeve (391) lateral wall partly and is installed with clamp nut (104) and retainer nut (105), guide wheel shaft (106) stretches out downwards on guide wheel shaft installing sleeve (391) lateral wall partly by two bearings (110, 111) front left angle sheave (107) is installed, the bottom of guide wheel shaft (106) adopts two bolts (108, 113) shaft end ring (112) is fixed with, shaft end ring (112) is for described two bearings (110, 111) axial location is carried out,

Described front left angle sheave assembly (12) and described front right angle sheave assembly (67), rear left angle sheave assembly (71) are identical with the structure of rear right angle sheave assembly (73).

6. vehicle-terra mechanics soil slot test stand test chassis according to claim 5, it is characterized in that: described orienting sleeve (307) is fixed on the middle part of the top cross bar of gate framework (305) by base plate, the bottom of the front vertical rod of gate framework (305) is fixed with front vertical rod bearing seat, the bottom of the rear vertical rod of gate framework (305) is fixed with rear vertical rod bearing seat, the axis of the axis of the center pit of rear vertical rod bearing seat and the center pit of front vertical rod bearing seat is positioned at anterior-posterior horizontal direction and overlaps, two ball bearing are provided with side by side in front vertical rod bearing seat, two ball bearing are sleeved on front female spline support set (87), described front splined shaft (34) is inserted in front female spline support set (87) by spline joint, the front end front splined shaft (34) being positioned at front female spline support set (87) adopts spline joint to be set with front outer inner spline sleeve (37), the front end of outer inner spline sleeve (37) before splined shaft (34) being positioned at before described spindle sprocket (38) adopts spline joint suit, the front end described front splined shaft (34) being positioned at spindle sprocket (38) adopts spline joint to be set with front axially outer end stationary fixture (39), the rear end described front splined shaft (34) being positioned at described front female spline support set (87) adopts spline joint to be set with rear outer inner spline sleeve (143), axle head stationary fixture (35) before the rear end of inner spline sleeve (143) adopts spline joint to be set with before front splined shaft (34) is positioned at,

Described rear vertical rod bearing seat is provided with two ball bearing side by side, two ball bearing are sleeved on rear female spline support set (88), described rear splined shaft (75) is inserted in rear female spline support set (88) by spline joint, the rear end rear splined shaft (75) being positioned at rear female spline support set (88) adopts spline joint to be set with rear outer inner spline sleeve (85), the rear end rear splined shaft (75) being positioned at rear outer inner spline sleeve (85) adopts spline joint to be set with rear axially outer end stationary fixture (79), the front end rear splined shaft (75) being positioned at rear female spline support set (88) adopts spline joint to be set with rear inner spline sleeve (86), the front end rear splined shaft (75) being positioned at rear inner spline sleeve (86) adopts spline joint to be set with rear axle head stationary fixture (80), the wheel hub of described test wheel (27) is connected as one with the axletree of test wheel (27), before the axletree of test wheel (27), rear two ends are respectively equipped with the ring flange for connecting, inner end and the inner end of front splined shaft (34) of described rear splined shaft (75) are respectively equipped with the ring flange for being connected, the inner end of rear splined shaft (75) is connected with each other by ring flange with the rear end of the axletree of test wheel (27), the inner end of front splined shaft (34) is connected with each other by ring flange with the front end of the axletree of test wheel (27).

7. vehicle-terra mechanics soil slot test stand test chassis according to claim 6, it is characterized in that: the bent plate arm axle (124) that described three grades of chain tensioners (16) comprise bent plate arm (136) and arrange along anterior-posterior horizontal direction, the rear end of bent plate arm axle (124) is fixed on the front end face of described second upper junction plate (25), described bent plate arm (136) comprises upper arm and underarm, the plate face of upper arm and underarm is positioned at left and right vertical direction, upper arm along left and right vertical direction upwards, be tilted to the right and stretch out, underarm is downward along left and right vertical direction, be tilted to the right and stretch out, the bottom of upper arm and the top of underarm are connected as one, angle between the right edge of upper arm and the right edge of underarm is 120 °-150 °, the connecting portion of upper arm and underarm is provided with bent plate arm axle mounting hole, the front portion of described bent plate arm axle (124) adopts clearance fit to be inserted in bent plate arm axle mounting hole, the top of described upper arm is along being provided with tension wheel shaft (129) along anterior-posterior horizontal direction, the stretching pulley (133) of described three grades of chain tensioners (16) utilizes two ball bearing (132, 135) be arranged on tension wheel shaft (129), stretching pulley (133) end face is forward fixed with front bearing gland (134), stretching pulley (133) end face is backwards fixed with rear bearing gland (131), the right-hand member of described second upper junction plate (25) front end face is fixed with pull bar fixed leg (128), the axis of pull bar fixed leg (128) is positioned at anterior-posterior horizontal direction, pull bar fixed leg (128) is set with draw ring (127), draw ring (127) is fixedly linked with the upper right side of pull bar (127), pull bar (127) is downward along left and right vertical direction after underarm, be tilted to the right and stretch out, the middle part of pull bar (127) adopts clearance fit through block (201), block (201) is connected with the middle part of described underarm rear end face, the bottom of pull bar (127) is set with stage clip (125), stage clip (125) one end upward withstands on described block (201), stage clip (125) one end down withstands on pull-rod nut (126), pull-rod nut (126) spinning is in the bottom of described pull bar (127),

Described secondary transmission chain tension means (18) is identical with the structure of described three grades of chain tensioners (16).