CN206756409U - A kind of Leaf Spring Suspension System multi-function test stand - Google Patents
A kind of Leaf Spring Suspension System multi-function test stand Download PDFInfo
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- CN206756409U CN206756409U CN201720376988.0U CN201720376988U CN206756409U CN 206756409 U CN206756409 U CN 206756409U CN 201720376988 U CN201720376988 U CN 201720376988U CN 206756409 U CN206756409 U CN 206756409U
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Abstract
The utility model is more particularly to a kind of measurement functional diversities, Leaf Spring Suspension System multi-function test stand easy to operate.The testing stand includes test specimen system, mounting and clamping system, moment of torsion loading and measuring system, rotation angle measurement system, back axle locking system, alternating current generator protection system, moment of torsion loading and measuring system, Plumb load system, vertical displacement measuring system.Testing stand can carry out longitudinal angle stiffness to Leaf Spring Suspension System, radial rigidity accurately measures, Mobile state test can be entered to Leaf Spring Suspension System simultaneously, the measuring test-bed of matching that can also be as Leaf Spring Suspension System and vehicle bridge etc., Leaf Spring Suspension System can also be connected with vehicle bridge, carry out axle housing and reverse stiffness experiment；This testing stand can carry out multiple experiments respectively, and each test operation step operation is easy, has very strong practicality.
Description
Technical field
The present invention relates to Vehicle Leaf-spring Suspension to test field, and in particular to a kind of Leaf Spring Suspension System synthesis examination
Test platform.
Background technology
At present, it is only limitted to radial rigidity for measuring the stand of leaf spring rigidity.It is radially firm when being carried out to leaf spring
During degree test, typically plate spring assembly is arranged on testboard bay, leaf spring one end is fixed by bearing pin and stand, ensures it
Rotational freedom.The other end is connected by bearing pin with sliding machine, ensures what it can around bearing pin rotation and along its length
Mobile automatic degree.Apply load at rebound clip, so as to measure its radial rigidity.And it is directed to leaf spring
Longitudinal angle stiffness, radial rigidity and the progress leaf spring of suspension system (system comprising pendulum ear and grasswort), put ear and car
The measuring test-bed of the matching of bridge etc. does not occur also.
The rigidity of Leaf Spring Suspension System and the offset frequency of automobile are closely related, starting and decelerating phase in automobile, steel
The longitudinal angle stiffness of flat spring suspension system is extremely important to the comfortableness of vehicle etc..In addition, in the running of automobile, it is real
What border was worked is Leaf Spring Suspension System.And matching now for Leaf Spring Suspension System etc. also lacks the examination of correlation
Test stand.Most of Rigidity Experiment of axle housing is directed to bending stiffness and intensity simultaneously, for the testing stand of axle housing torsional rigid
Also compare shortage.Go to measure longitudinal angular rigidity, radial rigidity, the car of steel Leaf Spring Suspension System so being badly in need of a kind of testing stand
Bridge or axle housing torsional rigidity, intensity test bench.
The content of the invention
It is an object of the invention to provide one kind measurement functional diversities, Leaf Spring Suspension System easy to operate synthesis examination
Test platform.
To reach above-mentioned purpose, the present invention adopts the technical scheme that：A kind of Leaf Spring Suspension System compbined test
Platform, described testing stand include base, and a plurality of dovetail being parallel to each other, for installation bolt is set on the upper surface of base
Groove, the top center position of the base set measured piece system, and measured piece system includes horizontally disposed H types framework, H type frames
Two longerons of frame each set front lifting lug, rear lifting lug, the ear mount of the front lifting lug and the first adjustment respectively on the side in outside
Piece connects, and the ear mount of described rear lifting lug is connected with the second trimmer, the first described trimmer, the second trimmer respectively with frame
Detachable connection is formed between frame；Described front lifting lug, rear lifting lug the pendulum ear that spring both ends main with leaf spring are set respectively, volume
Ear forms detachable connection；The leaf spring auxiliary spring that the main spring of leaf spring and its top are set is enclosed on inverted U-shaped spiral shell of riding
In bolt, the axle housings of the threaded shank portion of U-bolts lower end and vehicle bridge both sides forms detachable connection, at left and right sides of vehicle bridge
The semiaxis set in axle housing is bolted with a wheel respectively, and brake is set on the inside of the wheel hub of wheel, and brake leads to
Bolt connection is crossed to be fixed on the axle housing of vehicle bridge；
4 angle points of the framework lower surface are connected with an installing plate respectively, and installing plate respectively with setting below
Plumb load system, vertical displacement measuring system form detachable connection, Plumb load system, vertical displacement measuring system and
Detachable connection is formed between base；
The wheel hub lateral surface of the wheel forms detachable connection with mounting and clamping system, and described mounting and clamping system includes level
The cylinder type connector of placement, the adpting flange of end face setting and the wheel hub lateral surface of wheel of connector are formed detachably
Formula connects, and the adpting flange of another end face setting of cylinder type connector and an end face of force-transmitting gear connect；
Described cylinder type connector close to force-transmitting gear one end adpting flange also with the front end in angle measurement system
Face installing plate forms detachable connection, one end connection of front end face installing plate and transmission lever, the other end and angle of transmission lever
The rotating part connection set in sensor shell body, the housing of angular transducer are connected with one end end face of rear end face installing plate, after
The other end end face of end face installing plate is connected with the vertical side for the I-shaped fixed plate placed vertically, the upper surface of fixed plate with
Detachable connection is formed between the horizontal soffit of portal frame, detachable company is formed between the lower surface of fixed plate and chassis
Connect, two relative sides of the respective bottom of two supporting legs of described portal frame pass through the perpendicular of bolt and L-square respectively
Straight sided is connected, and the horizontal plane of L-square is bolted on auxiliary support plate, and auxiliary support plate forms detachable with base
Connection；
The lateral surface of described connector nearby sets the cylinder fixture in back axle locking system, described back axle locking system
System also includes the clamp set on cylinder fixture, has 1mm-2mm gaps between clamp and the lateral surface of connector；Described folder
Pincers are connected with transmission rod, electromagnetic brake successively, and described cylinder fixture, electromagnetic brake are rack-mount, the bottom of support
Portion forms detachable connection with chassis；
Described force-transmitting gear engages with the second drive pinion in moment of torsion loading and measuring system, and described moment of torsion adds
Carry and measuring system includes loading motor, the floor installation of loading motor is on movable base plate；The output end of the loading motor
Plum coupling, torque sensor input are sequentially connected, the output end of torque sensor is sequentially connected plum coupling, first
The rotating shaft of little gear, the first little gear engage with the first transmission gear wheel, and the first transmission gear wheel is sequentially connected the first planet tooth
Wheel group, the second planetary gearsets, the second drive pinion, the first described planetary gearsets include and the first transmission gear wheel
The first sun gear that rotating shaft is coaxially disposed and rotated jointly, sets the first planet carrier on the outside of the first sun gear, on the first planet carrier
The first planetary gear is arranged, the first planetary gear engages with the first sun gear, the first gear ring respectively；The first described planet carrier and second
The rotating shaft of the second sun gear rotates jointly in planetary gearsets；The outside of second sun gear sets the second planet carrier, the second planet
The second planetary gear is arranged on frame, the second planetary gear engages with the second sun gear, the second gear ring respectively；Described the second planet carrier and
The rotating shaft of second drive pinion rotates jointly；
Rotating shaft, the rotating shaft of the second drive pinion of the first described transmission gear wheel are separately mounted to reducing gear casing
In the through hole that both ends of the surface are set, reducing gear casing and base angle welding, base angle, which is bolted, to be fixed on movable base plate；Subtract
Rectangular apertures are provided with the side of fast mechanism casing；
The lateral surface of first gear ring of the first described planetary gearsets, the second gear ring of second row planetary gearsets it is outer
Medial surface of the side respectively with an annular brake band in protection system contacts；Described protection system also includes Direct Action Type
Electromagnetic brake, the both ends of described brake band form one with annular jaggy in the inner chamber of reducing gear casing
Shape, two terminations of brake band, which are stretched out on reducing gear body side, installs braking on the rectangular apertures and electromagnetic brake set
Hoof connects, and brake-shoe can promote braking Tape movement, brake band is close to respectively with the first gear ring, the second gear ring and connects into one
It is overall；
Described electromagnetic brake is arranged on rectangle rack, and the lower end of rectangle rack passes through the movement in bolt and evacuation system
Bottom plate connects；Described evacuation system also includes the slide rail for being arranged on corresponding position on base, and slide rail nearby sets flat with it
Two longerons of capable leading screw, slide rail and framework are arranged in a mutually vertical manner；The sliding block adaptable with it is installed on described slide rail, moved
The bottom surface of dynamic bottom plate is fixedly connected with the upper surface of sliding block；The side of the sliding block is also fixed with the guide block on leading screw to be connected
Connect, one end of leading screw is sequentially connected plum coupling, stepper motor, and the other end is arranged on slide rail by bearing, stepper motor
Floor installation on slide rail.
Preferably, described Plumb load system includes the worm screw being vertically arranged, and the upper end of worm screw on first successively with padding
Plate, installing plate are bolted, and the lower end of worm screw is bolted with the first lower bolster, base successively, the first upper padding plate
Bottom surface the worm gear that is meshed with worm screw is set, worm gear is connected with being arranged on the motor of the first upper padding plate bottom surface.
Preferably, described vertical displacement measuring system includes the linear displacement transducer being vertically arranged, displacement transducer
Lower end be bolted successively with the second lower bolster, base, the upper end of displacement transducer on push rod, second successively with padding
Plate, installing plate form detachable connection.
Preferably, the first described little gear number of teeth is 20, and the first canine tooth tooth number is 60, and the second little gear number of teeth is
100, the force-transmitting gear number of teeth is 150；Described the first sun gear, the second sun gear number of teeth are 14, the first planetary gear, the second planet
Tooth number is 42, and the first gear ring, the second gear ring number of teeth are 98；Described the first little gear, the first gear wheel, the second little gear,
The modulus of force-transmitting gear is 2.5, and pressure angle is 20 °, thickness 30mm.
Preferably, the internal diameter 18mm of described plum coupling, external diameter 40mm, peak torque 60Nm；Described loading
Motor is 220V three phase alternating current motors, rated power 7KW, the measurement range 0-100Nm of described torque sensor.
Test method, described test method are carried out according to any one above-mentioned Leaf Spring Suspension System multi-function test stand
Including installing, correcting, measuring；In described measuring process, when the angle signal of angular transducer collection remains unchanged or subtracts
Hour, the moment of torsion deficiency that loading motor provides is represented, causes the main spring of leaf spring that resilience will occur, now reduces electromagnetic braking
Brake force on device, make the first planetary gearsets idle running protection loading motor.
Described Leaf Spring Suspension System multi-function test stand includes following system：Test specimen system, mounting and clamping system, turn round
Square loads and measuring system, rotation angle measurement system, back axle locking system, alternating current generator protection system, moment of torsion loading and survey
Amount system, evacuation system, Plumb load system, vertical displacement measuring system.
When carrying out Leaf Spring Suspension System longitudinal angle rigidity test, the loading system of vertical direction plays fixed frame
Effect, withdraw vertical displacement measuring system.Alternating current generator provides moment of torsion in moment of torsion loading and measuring system first, by moment of torsion
After sensor and reducing gear, the Leaf Spring Suspension System fixed by mounting and clamping system is reversed by way of gear engagement.
Pass through the windup-degree of rotation angle measurement systematic survey Leaf Spring Suspension System.When specified angle is arrived in torsion, by locking system
System locking follows the cylindrical type connector that Leaf Spring Suspension System is reversed, and prevents leaf spring from rebounding.Alternating current is closed afterwards
Machine, unclamp brake band in moment of torsion loading and measuring system, the first planet allowed in the first planetary gearsets, the second planetary gearsets
Gear, the second planetary gear rotation, release leaf spring are applied to the pressure in moment of torsion frame loading system.Removed simultaneously using evacuation system
Moment of torsion loading and measuring system are walked, prevents from damaging loading system during leaf spring resilience.Locking system is discharged afterwards, allows leaf spring to hang
Frame system is freely turned round after twisting, and in whole test process, torque sensor measures the moment of torsion of alternating current generator, by transmission
Than calculating the moment of torsion being applied in Leaf Spring Suspension System after conversion, angular transducer measurement Leaf Spring Suspension System
FREE TORSION attenuation after windup-degree and the release of locking system, passes through the number on torque sensor and angular transducer
According to, it is possible to calculate the torsional frequency of the longitudinal angular rigidity and leaf spring of Leaf Spring Suspension System after reversing and discharging.
When carrying out Leaf Spring Suspension System radial rigidity, moment of torsion loading and measuring system and locking system are withdrawn, is hung down
Nogata to loading system rise loading effect.The vertical direction of back axle is fixed first by cylindrical type connector in mounting and clamping system
Displacement, it is synchronous using fixed rotating speed and fixed pulse frequency afterwards using the stepper motor for being separately mounted to framework corner
Work, apply moment of torsion on worm screw, promote framework up to move.Simultaneously as the single-direction transmission characteristic of worm-and-wheel gear, can
To protect stepper motor.During experiment, the vertical deviation of displacement sensor Leaf Spring Suspension System, by stepping electricity
The torque frequency feature curve of machine calculates the torque of stepper motor, it is possible to which the radial direction for measuring Leaf Spring Suspension System is firm
Degree.
When carrying out axle housing torsional rigid or strength test, moment of torsion load mode and progress Leaf Spring Suspension System longitudinal direction
Angular rigidity is identical when testing.Withdraw Leaf Spring Suspension System, H types framework, tire, Plumb load system and vertical displacement measurement
System, while moment of torsion loading and the measuring system on right side are withdrawn, only retain the mounting and clamping system on right side.Pass through clamping on right side first
System fixes back axle.Alternating current generator provides moment of torsion in moment of torsion loading afterwards and measuring system, by torque sensor and reductor
After structure, the axle housing fixed by mounting and clamping system is reversed by way of gear engagement.By torque sensor, angular transducer and
The data of foil gauge, calculate the torsional strength and rigidity of axle housing.
Beneficial effects of the present invention are：The hanger and pendulum that testing stand can be set respectively to the main spring of leaf spring and its both ends
The Leaf Spring Suspension System that the hanger and pendulum ear, framework that ear, leaf spring auxiliary spring and its both ends are set respectively collectively constitute is entered
Row longitudinal angle stiffness, radial rigidity are accurately measured, while can enter Mobile state test to Leaf Spring Suspension System, also may be used
, can also be by Leaf Spring Suspension System and car using the measuring test-bed of the matching as Leaf Spring Suspension System and vehicle bridge etc.
Bridging connects, and carries out axle housing and reverses stiffness experiment；This testing stand can carry out multiple experiments, each test operation step operation letter respectively
Just, there is very strong practicality.
Brief description of the drawings
Fig. 1 is that multi-function test stand carries out the axonometric drawing that exploded when longitudinal angular rigidity or radial rigidity experiment；
Fig. 2 is test specimen system structure diagram；
Fig. 3 is mounting and clamping system structural representation；
Fig. 4 is moment of torsion loading and measuring system structural representation；
Fig. 5 is moment of torsion loading and measuring system partial structural diagram；
Fig. 6 is evacuation system axonometric drawing；
Fig. 7 is Plumb load system, vertical displacement measuring system structural representation；
Fig. 8 is that multi-function test stand carries out axle housing torsion test schematic diagram；
Fig. 9 is foil gauge set location schematic diagram.
Embodiment
Leaf Spring Suspension System described herein includes：What the main spring 103 of leaf spring and its both ends were set respectively
The pendulum ear and grasswort, front lifting lug 211, rear lifting lug 210, frame that pendulum ear and grasswort, leaf spring auxiliary spring 106 and its both ends are set respectively
Frame 208；
A kind of Leaf Spring Suspension System multi-function test stand as shown in Fig. 1-Fig. 7, including base 214, base 214
A plurality of dovetail groove being parallel to each other, for installation bolt is set on upper surface, and the top center position of the base 214 is set
Measured piece system 1, measured piece system 1 include horizontally disposed H types framework 208, the side in the respective outside of two longerons of framework 208
Front lifting lug 211, rear lifting lug 210 are set respectively on side, and the ear mount of the front lifting lug 211 is connected with the first trimmer 213, described
The ear mount of rear lifting lug 210 be connected with the second trimmer 212, the first described trimmer 213, the second trimmer 212 respectively with
Form detachable connection between framework 208, can be bolt type detachable connection or buckle-type it is detachable
Formula connects or adhered detachable connection；Described front lifting lug 211, rear lifting lug 210 respectively with leaf spring master
Pendulum ear 104, the grasswort of the both ends of spring 103 setting form detachable connection；The steel plate that the main spring 103 of leaf spring and its top are set
Spring auxiliary spring 106 is enclosed in inverted U-shaped U-bolts 105,102 liang of threaded shank portion and the vehicle bridge of the lower end of U-bolts 105
The axle housing of side forms detachable connection, the semiaxis set in the axle housing of the left and right sides of vehicle bridge 102 respectively with a wheel 101
It is bolted, brake is set on the inside of the wheel hub of wheel 101, brake is bolted the bridge for being fixed on vehicle bridge 102
On shell；
4 angle points of the lower surface of framework 208 are connected with an installing plate 209 respectively, installing plate 209 respectively with it
Plumb load system 8, the vertical displacement measuring system 9 just set forms detachable connection, Plumb load system 8, vertical position
Detachable connection is formed between shift measurement system 9 and base 214；
The wheel hub lateral surface of the wheel 101 forms detachable connection with mounting and clamping system 2, and described mounting and clamping system 2 wraps
Include horizontal positioned cylinder type connector 205, the wheel of the adpting flange 206 and wheel 101 of the end face setting of connector 205
Hub lateral surface forms detachable connection, the adpting flange 206 and force-transmitting gear 207 of another end face setting of connector 205
An end face connection；
Adpting flange 206 of the described cylinder type connector 205 close to the one end of force-transmitting gear 207 is gone back and angle measurement system
Front end face installing plate 404 in 4 forms detachable connection, and front end face installing plate 404 is connected with one end of transmission lever 402, passes
The other end for passing bar 402 is connected with the rotating part set in the housing of angular transducer 403, and the housing of angular transducer 403 is with after
The vertical side of the connection of end face installing plate 401, rear end face installing plate 401 and the I-shaped fixed plate 204 placed vertically connects
Connect, form detachable connection between the upper surface of fixed plate 204 and the horizontal soffit of portal frame 201, under fixed plate 204
Form detachable connection between end face and chassis 214, the respective bottom of two supporting legs of described portal frame 201 it is relative two
Individual side is connected by bolt with the vertical side of a L-square 203 respectively, and the horizontal plane of L-square 203 is bolted
On auxiliary support plate 202, auxiliary support plate 202 forms detachable connection with base 214；
The lateral surface of described connector 205 nearby sets the cylinder fixture 505 in back axle locking system 5, after described
Bridge locking system 5 also includes the clamp 501 set on cylinder fixture 505, has between clamp 501 and the lateral surface of connector 205
There are 1mm-2mm gaps；Described clamp 501 is connected with transmission rod 504, electromagnetic brake 502 successively, described cylinder fixture
505th, electromagnetic brake 502 is arranged on support 503, and bottom and the chassis 214 of support 503 form detachable connection；
Described force-transmitting gear 207 engages with the second drive pinion 307 in moment of torsion loading and measuring system 3, described
Moment of torsion loading and measuring system 3 include loading motor 301, the floor installation of loading motor 301 is on movable base plate 701；Institute
The output end for stating loading motor 301 is sequentially connected plum coupling 302, the input of torque sensor 303, torque sensor 303
Output end be sequentially connected the rotating shaft of plum coupling 302, the first little gear 304, the first little gear 304 and the first transmission canine tooth
The engagement of wheel 305, the first transmission gear wheel 305 are sequentially connected the first planetary gearsets, the second planetary gearsets, the second small tooth of transmission
Wheel 307, the first described planetary gearsets include for being coaxially disposed and rotating jointly with the rotating shaft of the first transmission gear wheel 305
One sun gear 311, the outside of the first sun gear 311 set the first planet carrier 312, the first planetary gear are arranged on the first planet carrier 312
310, the first planetary gear 310 engages with the first sun gear 311, the first gear ring 313 respectively；The first described planet carrier 312 and
The rotating shaft of the second sun gear 316 rotates jointly in two planetary gearsets；The outside of second sun gear 316 sets the second planet carrier
317, be arranged the second planetary gear on the second planet carrier 317, the second planetary gear respectively with the second sun gear 316, the second gear ring 306
Engagement；The rotating shaft of described the second planet carrier 317 and the second drive pinion 307 rotates jointly；
Rotating shaft, the rotating shaft of the second drive pinion 307 of the first described transmission gear wheel 305 are separately mounted to reductor
In the through hole that the both ends of the surface of structure casing 308 are set, reducing gear casing 308 and base angle 309 are welded, and base angle 309 is bolted
It is fixed on movable base plate 701；Rectangular apertures 314 are provided with the side of reducing gear casing 308；
Lateral surface, the second gear ring of second row planetary gearsets of first gear ring 313 of the first described planetary gearsets
Medial surface of 306 lateral surface respectively with an annular brake band 603 in protection system 6 contacts；Described protection system
6 also include direct drive type electro magnetic brake 601, and the both ends of described brake band 603 are formed in the inner chamber of reducing gear casing 308
One with toroidal jaggy, the rectangle set is stretched out on the side of reducing gear casing 308 in two terminations of brake band 603
Aperture 314 is connected with installing brake-shoe 602 on electromagnetic brake 601, and brake-shoe 602 can promote brake band 603 to move, and make system
Dynamic band 603 is close to the first gear ring 313, the second gear ring 306 and connects into an entirety respectively；
Described electromagnetic brake 601 is arranged on rectangle rack 604, and the lower end of rectangle rack 604 is with withdrawing by bolt
Movable base plate 701 in system 7 connects；Described evacuation system 7 also includes the slide rail for being arranged on corresponding position on base 214
704, slide rail 704 nearby sets leading screw 702 in parallel, and two longerons of slide rail 704 and framework 208 are arranged in a mutually vertical manner；
The sliding block 708 adaptable with it is installed, the bottom surface and the upper surface of sliding block 708 of movable base plate 701 are consolidated on described slide rail 704
Fixed connection；The side of the sliding block 708 is also fixedly connected with the guide block 706 on leading screw 702, one end of leading screw 702 according to
Secondary connection plum coupling 705, stepper motor 703, the other end are arranged on slide rail 704 by bearing, the bottom of stepper motor 703
Seat is arranged on slide rail 704.
Described Plumb load system 8 includes the worm screw 802 being vertically arranged, and the upper end of worm screw 802 on first successively with padding
Plate 804, installing plate 209 are bolted, and the lower end of worm screw 802 passes through bolt with the first lower bolster 801, base 214 successively
Connection, the bottom surface of the first upper padding plate 804 set the worm gear 805 being meshed with worm screw 802, and worm gear 805 is with being arranged on first
The motor connection of the bottom surface of backing plate 804.
Described vertical displacement measuring system 9 includes the linear displacement transducer 902 being vertically arranged, displacement transducer 902
Lower end be bolted successively with the second lower bolster 901, base 214, the upper end of displacement transducer 902 successively with push rod
903rd, the second upper padding plate 904, installing plate 209 form detachable connection.
Preferably embodiment is：The described number of teeth of the first little gear 304 is 20, and the number of teeth of the first gear wheel 305 is 60,
The number of teeth of second little gear 307 is 100, and the number of teeth of force-transmitting gear 207 is 150；Described the first sun gear 311, the second sun gear 316
The number of teeth is 14, and the number of teeth of the first planetary gear 310 is 42, and the first gear ring 313, the number of teeth of the second gear ring 306 are 98；The first described small tooth
It is 2.5 to take turns the 304, first gear wheel 305, the second little gear 307, the modulus of force-transmitting gear 207, and pressure angle is 20 °, thick
Degree is 30mm.
Preferably embodiment is：The internal diameter 18mm of described plum coupling 302, external diameter 40mm, peak torque 60N
m；Described loading motor 301 is 220V three phase alternating current motors, rated power 7KW, the measurement of described torque sensor 403
Scope 0-100Nm.
The test method of described testing stand includes installation, correction, measurement；In described measuring process, work as angle sensor
When the angle signal that device 403 gathers remains unchanged or reduced, the moment of torsion deficiency that loading motor 301 provides is represented, causes steel plate
Resilience will occur for the main spring 103 of spring, now reduce the brake force on electromagnetic brake 601, the first planetary gearsets is dallied
Protect loading motor 301.
Described testing stand can be tested as follows respectively：
Leaf Spring Suspension System longitudinal angle stiffness test：Test specimen system 1, mounting and clamping system 2, moment of torsion are loaded first
It is and measuring system 3, rotation angle measurement system 4, vehicle bridge locking system 5, alternating current generator protection system 6, evacuation system 7, vertical
Loading system 8 and vertical displacement measuring system 9 are attached according to the annexation described in claim 1, Plumb load system
System 8 plays a part of fixed H types framework 208；Alternating current generator protection system 6 is opened, makes the first tooth in the first planetary gearsets
The second gear ring 306 in the planetary gearsets of circle 313 and second is braked the locking of band 603.Loading motor 301 is then turned on, successively
Drive plum coupling 302, torque sensor 303 to rotate, the output shaft of torque sensor 303 by plum coupling 302 successively
Drive the first little gear 304, first transmission gear wheel 305, the first sun gear 311, the first planet carrier 312, the second sun gear 316
Second planet carrier 317, the second drive pinion 307, force-transmitting gear 207, connector 205 rotate, and connector 205 drives steel plate bullet
The main spring 103 of spring, leaf spring auxiliary spring 106 reverse.
When the main spring 103 of leaf spring, leaf spring auxiliary spring 106 are torqued into the angle of setting, electromagnetic brake 502 acts
Locking cylinder type connector 205, simultaneously closes off loading motor 301, and reduces the brake force of caliper 602, make moment of torsion load and
Two groups of planetary gearsets idle running in measuring system 3, the main spring 103 of release leaf spring, leaf spring auxiliary spring 106 are applied to the second biography
Torsion in dynamic little gear 307.Then stepper motor 703 is started, driving movable base plate 701 is loaded with dynamic torque and measuring system
3 movements, make to disengage between the second drive pinion 307 and force-transmitting gear 207；Electromagnetic brake 502 discharges afterwards, releases connection
The locking state of part 205, at this moment vehicle bridge 102, connector 205 can be in times of the main spring 103 of leaf spring, leaf spring auxiliary spring 106
The lower reciprocal torsion of bullet effect.
During experiment, by the numerical value for measuring torque sensor 303 and angular transducer 403, it is possible to calculate tapping
The pendulum that pendulum ear and grasswort that the main spring 103 of flat spring and its both ends are set respectively, leaf spring auxiliary spring 106 and its both ends are set respectively
Longitudinal angular rigidity of the Leaf Spring Suspension System of ear and grasswort composition and whole measured piece system 02 are after reversing and discharging
Torsional frequency.
Leaf Spring Suspension System radial rigidity is tested：Withdraw from moment of torsion loading and measuring system 3, evacuation system 7；Start and hang down
The motor being connected into loading system 8 with worm gear 805, the rotation of worm gear 805 drives worm screw 802 to move back and forth up and down, with frame
Motor in 4 Plumb load systems 8 that frame 208 connects is using fixed pulse frequency synchronous working；Leaf spring hangs
Vertical deviation occurs for frame system, and displacement transducer 902 gathers the vertical deviation parameter of Leaf Spring Suspension System, vertical deviation ginseng
The torque frequency feature curve of number and motor calculates the radial rigidity of Leaf Spring Suspension System jointly.
Leaf Spring Suspension System dynamic characteristic test：Testing stand each several part connected mode and load mode and leaf spring
The experiment of suspension system radial rigidity is consistent, and the motor that need to only pass through in Plumb load system 8 during experiment applies different amplitudes
Load, by the data of displacement transducer 902 and the torque frequency feature curve of motor, calculate suspension system in different amplitudes
Under dynamic stiffness change.
Axle housing reverses stiffness experiment：As shown in Figure 8, on the outside of the wheel hub of the wheel 101 of the both sides of vehicle bridge 102 respectively successively
Be connected with connector 205, rotation angle measurement system 4, mounting and clamping system 2, one in two connectors 205 and moment of torsion load and
Measuring system 3 is connected, and another connector 205 is loaded with moment of torsion and measuring system 3 is released and connected；According to a1-a12 positions in Fig. 9
Shown in putting, 12 pressure-strain pieces, start-up loading motor 301, the axle housing of vehicle bridge 102 are pasted on the axle housing of vehicle bridge 102 successively
Reversed in the presence of moment of torsion loading and measuring system 3.Record torque sensor 303, angular transducer 403, pressure-strain piece
Data, the axle housing intensity of vehicle bridge 102 and rigidity can be calculated.
Claims (5)
1. a kind of Leaf Spring Suspension System multi-function test stand, described testing stand includes base (214), base (214) it is upper
A plurality of dovetail groove being parallel to each other, for installation bolt is set on surface, and the top center position of the base (214) is set
Measured piece system (1), measured piece system (1) include horizontally disposed H types framework (208), two longerons of H types framework (208)
Front lifting lug (211), rear lifting lug (210) are each set respectively on the side in outside, and the ear mount of the front lifting lug (211) is adjusted with first
Full wafer (213) is connected, and the ear mount of described rear lifting lug (210) is connected with the second trimmer (212), the first described trimmer
(213), the second trimmer (212) forms detachable connection between framework (208) respectively；Described front lifting lug (211), after
The pendulum ear (104) with the setting of the main spring of leaf spring (103) both ends, grasswort form detachable connection to hanger (210) respectively；Steel plate
The leaf spring auxiliary spring (106) that the main spring of spring (103) and its top are set is enclosed in inverted U-shaped U-bolts (105), is ridden
The threaded shank portion of bolt (105) lower end forms detachable connection, vehicle bridge (102) left and right with the axle housing of vehicle bridge (102) both sides
The semiaxis set in the axle housing of both sides is bolted with a wheel (101) respectively, is set on the inside of the wheel hub of wheel (101)
Brake, brake, which is bolted, to be fixed on the axle housing of vehicle bridge (102)；
It is characterized in that：4 angle points of framework (208) lower surface are connected with an installing plate (209) respectively, installing plate
(209) detachable connection is formed with Plumb load system (8), the vertical displacement measuring system (9) set below respectively, hung down
Detachable connection is formed between loading system (8), vertical displacement measuring system (9) and base (214)；
The wheel hub lateral surface of the wheel (101) forms detachable connection, described mounting and clamping system (2) with mounting and clamping system (2)
Including horizontal positioned cylinder type connector (205), the adpting flange (206) and car of the end face setting of connector (205)
The wheel hub lateral surface for taking turns (101) forms detachable connection, the connection method of another end face setting of cylinder type connector (205)
Blue (206) are connected with an end face of force-transmitting gear (207)；
Described cylinder type connector (205) close to force-transmitting gear (207) one end adpting flange (206) also with angular surveying system
Front end face installing plate (404) in system (4) forms detachable connection, front end face installing plate (404) and the one of transmission lever (402)
End connection, the other end of transmission lever (402) are connected with the rotating part set in angular transducer (403) housing, angular transducer
(403) housing is connected with one end end face of rear end face installing plate (401), the other end end face of rear end face installing plate (401) with
The vertical side connection for the I-shaped fixed plate (204) placed vertically, upper surface and the portal frame (201) of fixed plate (204)
Detachable connection is formed between horizontal soffit, is formed between the lower surface of fixed plate (204) and base (214) detachable
Connection, two sides that the respective bottom of two supporting legs of described portal frame (201) is relative are straight by bolt and one respectively
The vertical side connection of gusset (203), the horizontal plane of L-square (203) are bolted on auxiliary support plate (202), auxiliary
Support plate (202) forms detachable connection with base (214)；
The lateral surface of described connector (205) nearby sets the cylinder fixture (505) in back axle locking system (5), described
Back axle locking system (5) also includes the clamp (501) set on cylinder fixture (505), clamp (501) and connector (205)
There is 1mm-2mm gaps between lateral surface；Described clamp (501) connects with transmission rod (504), electromagnetic brake (502) successively
Connect, described cylinder fixture (505), electromagnetic brake (502) are arranged on support (503), the bottom of support (503) and base
(214) detachable connection is formed；
Described force-transmitting gear (207) engages with the second drive pinion (307) in moment of torsion loading and measuring system (3), institute
The moment of torsion loading stated and measuring system (3) include loading motor (301), and the floor installation of loading motor (301) is in movable base plate
(701) on；The output end of the loading motor (301) is sequentially connected plum coupling (302), torque sensor (303) input
End, the output end of torque sensor (303) are sequentially connected the rotating shaft of plum coupling (302), the first little gear (304), and first
Little gear (304) engages with the first transmission gear wheel (305), and the first transmission gear wheel (305) is sequentially connected the first planetary gear
Group, the second planetary gearsets, the second drive pinion (307), the first described planetary gearsets include and the first transmission canine tooth
The first sun gear (311) that the rotating shaft of wheel (305) is coaxially disposed and rotated jointly, the first sun gear (311) outside set first
Planet carrier (312), is arranged the first planetary gear (310) on the first planet carrier (312), the first planetary gear (310) respectively with first too
Sun wheel (311), the first gear ring (313) engagement；Second sun gear in described the first planet carrier (312) and the second planetary gearsets
(316) rotating shaft rotates jointly；The outside of second sun gear (316) sets the second planet carrier (317), the second planet carrier (317)
On be arranged the second planetary gear (318), the second planetary gear (318) engages with the second sun gear (316), the second gear ring (306) respectively；
The rotating shaft of described the second planet carrier (317) and the second drive pinion (307) rotates jointly；
Rotating shaft, the rotating shaft of the second drive pinion (307) of the first described transmission gear wheel (305) are separately mounted to reductor
In the through hole that structure casing (308) both ends of the surface are set, reducing gear casing (308) and base angle (309) welding, base angle (309) pass through
Bolt connection is fixed on movable base plate (701)；Rectangular apertures (314) are provided with the side of reducing gear casing (308)；
Lateral surface, the second gear ring of second row planetary gearsets of the first gear ring (313) of the first described planetary gearsets
(306) medial surface of the lateral surface respectively with an annular brake band (603) in protection system (6) contacts；Described guarantor
Protecting system (6) also includes direct drive type electro magnetic brake (601), and the both ends of described brake band (603) are in reducing gear casing
(308) one is formed in inner chamber and stretches out reducing gear casing with toroidal jaggy, two terminations of brake band (603)
(308) rectangular apertures (314) set on side are connected with installing brake-shoe (602) on electromagnetic brake (601), brake-shoe
(602) brake band (603) can be promoted mobile, brake band (603) is close to respectively with the first gear ring (313), the second gear ring (306)
And connect into an entirety；
Described electromagnetic brake (601) is arranged on rectangle rack (604), and the lower end of rectangle rack (604) is by bolt with withdrawing
Movable base plate (701) connection in system (7)；Described evacuation system (7) also includes being arranged on relevant position on base (214)
The slide rail (704) at place, slide rail (704) nearby set leading screw in parallel (702), two of slide rail (704) and framework (208)
Longeron is arranged in a mutually vertical manner；The sliding block (708) adaptable with it, the bottom of movable base plate (701) are installed on described slide rail (704)
Face is fixedly connected with the upper surface of sliding block (708) and guide block (706), and guide block (706) coordinates with leading screw (702) screw thread, leading screw
(702) one end is sequentially connected plum coupling (705), stepper motor (703), and the other end is arranged on slide rail by bearing
(704) on, the floor installation of stepper motor (703) is on slide rail (704).
2. Leaf Spring Suspension System multi-function test stand according to claim 1, it is characterised in that：Described Plumb load
System (8) includes the worm screw (802) that is vertically arranged, the upper end of worm screw (802) successively with the first upper padding plate (804), installing plate
(209) it is bolted, the lower end of worm screw (802) is bolted with the first lower bolster (801), base (214) successively,
The bottom surface of first upper padding plate (804) sets the worm gear (805) being meshed with worm screw (802), and worm gear (805) is with being arranged on first
The motor connection of upper padding plate (804) bottom surface.
3. Leaf Spring Suspension System multi-function test stand according to claim 1, it is characterised in that：Described vertical displacement
Measuring system (9) includes the linear displacement transducer (902) that is vertically arranged, and the lower end of displacement transducer (902) is successively with second
Lower bolster (901), base (214) are bolted, the upper end of displacement transducer (902) successively with push rod (903), second
Backing plate (904), installing plate (209) form detachable connection.
4. Leaf Spring Suspension System multi-function test stand according to claim 1, it is characterised in that：The first described small tooth
It is 20 to take turns (304) number of teeth, and the first gear wheel (305) number of teeth is 60, and the second little gear (307) number of teeth is 100, force-transmitting gear
(207) number of teeth is 150；Described the first sun gear (311), the second sun gear (316) number of teeth are 14, the first planetary gear (310),
Second planetary gear (318) number of teeth is 42, and the first gear ring (313), the second gear ring (306) number of teeth are 98；The first described little gear
(304), the first gear wheel (305), the second little gear (307), the modulus of force-transmitting gear (207) are 2.5, and pressure angle is 20 °, thick
Spend for 30mm.
5. Leaf Spring Suspension System multi-function test stand according to claim 1, it is characterised in that：Described plum blossom shaft coupling
The internal diameter 18mm of device (302), external diameter 40mm, peak torque 60Nm；Described loading motor (301) is 220V three-phase alternating currents
Machine, rated power 7KW, the measurement range 0-100Nm of described torque sensor (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376988.0U CN206756409U (en) | 2017-04-11 | 2017-04-11 | A kind of Leaf Spring Suspension System multi-function test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376988.0U CN206756409U (en) | 2017-04-11 | 2017-04-11 | A kind of Leaf Spring Suspension System multi-function test stand |
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| Publication Number | Publication Date |
|---|---|
| CN206756409U true CN206756409U (en) | 2017-12-15 |
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| CN201720376988.0U Expired - Fee Related CN206756409U (en) | 2017-04-11 | 2017-04-11 | A kind of Leaf Spring Suspension System multi-function test stand |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885665A (en) * | 2017-04-11 | 2017-06-23 | 西华大学 | A kind of Leaf Spring Suspension System multi-function test stand |
| CN108931382A (en) * | 2018-06-01 | 2018-12-04 | 湖南湖大艾盛汽车技术开发有限公司 | A kind of fatigue durability testing device and method of multi link rear overhang axle case assy |
| CN109596369A (en) * | 2018-12-28 | 2019-04-09 | 北汽福田汽车股份有限公司 | Suspension divertical motion interferes the test method of test-bed and the interference of suspension divertical motion |
| CN110006646A (en) * | 2019-04-15 | 2019-07-12 | 安徽工程大学 | A kind of gear detector on automobile |
| CN110455559A (en) * | 2019-08-12 | 2019-11-15 | 宁波橡树汽车零部件有限公司 | A kind of suspension intensity detecting device of suitable In-wheel motor driving |
| CN112665878A (en) * | 2020-12-25 | 2021-04-16 | 柳州铠玥科技有限公司 | Front-mounted front-drive vehicle suspension decoupling rack |
| CN112924197A (en) * | 2021-03-25 | 2021-06-08 | 中国重汽集团济南动力有限公司 | Suspension deformation motion monitoring device and method |
| CN116973138A (en) * | 2023-09-22 | 2023-10-31 | 河南中溯检测科技有限公司 | A many first intellectual detection system equipment for suspension |
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2017
- 2017-04-11 CN CN201720376988.0U patent/CN206756409U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885665A (en) * | 2017-04-11 | 2017-06-23 | 西华大学 | A kind of Leaf Spring Suspension System multi-function test stand |
| CN108931382A (en) * | 2018-06-01 | 2018-12-04 | 湖南湖大艾盛汽车技术开发有限公司 | A kind of fatigue durability testing device and method of multi link rear overhang axle case assy |
| CN109596369A (en) * | 2018-12-28 | 2019-04-09 | 北汽福田汽车股份有限公司 | Suspension divertical motion interferes the test method of test-bed and the interference of suspension divertical motion |
| CN110006646A (en) * | 2019-04-15 | 2019-07-12 | 安徽工程大学 | A kind of gear detector on automobile |
| CN110006646B (en) * | 2019-04-15 | 2024-02-23 | 安徽工程大学 | Gear detection device for automobile |
| CN110455559A (en) * | 2019-08-12 | 2019-11-15 | 宁波橡树汽车零部件有限公司 | A kind of suspension intensity detecting device of suitable In-wheel motor driving |
| CN110455559B (en) * | 2019-08-12 | 2021-03-30 | 宁波橡树汽车零部件有限公司 | Suspension strength detection device suitable for being driven by hub motor |
| CN112665878A (en) * | 2020-12-25 | 2021-04-16 | 柳州铠玥科技有限公司 | Front-mounted front-drive vehicle suspension decoupling rack |
| CN112924197A (en) * | 2021-03-25 | 2021-06-08 | 中国重汽集团济南动力有限公司 | Suspension deformation motion monitoring device and method |
| CN116973138A (en) * | 2023-09-22 | 2023-10-31 | 河南中溯检测科技有限公司 | A many first intellectual detection system equipment for suspension |
| CN116973138B (en) * | 2023-09-22 | 2023-12-08 | 河南中溯检测科技有限公司 | A many first intellectual detection system equipment for suspension |
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