CN108535027A - A kind of quiet roll stability testing stand of tractor and control method - Google Patents
A kind of quiet roll stability testing stand of tractor and control method Download PDFInfo
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- CN108535027A CN108535027A CN201810421506.8A CN201810421506A CN108535027A CN 108535027 A CN108535027 A CN 108535027A CN 201810421506 A CN201810421506 A CN 201810421506A CN 108535027 A CN108535027 A CN 108535027A
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- tractor
- wheel
- test
- roll stability
- platen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention discloses a kind of quiet roll stability testing stands of tractor, including pedestal, test platen, power plant, transmission device, safety device, anti- side-slip apparatus and TT＆C system, the pedestal is equipped with rack, the transmission device is installed in the rack, the transmission device is connect with the power plant and the test platen respectively, the safety device and the anti-side-slip apparatus are mounted on the test platen along the both sides of tractor travel direction, testboard board bottom portion sets wheel positioning device, the TT＆C system signal output end is connect with the signal input part of the signal input part of the wheel positioning device and the test platen respectively.The quiet roll stability test bed testing process of the tractor is simple, and Measure Precision is high, meets stationarity and the lifting speed requirement of the quiet roll stability experiment of tractor, while bearing capacity is high and safe and reliable to operation.The invention also discloses a kind of control methods of the quiet roll stability testing stand of tractor.
Description
Technical field
The present invention relates to tractor technical field of measurement and test, it particularly relates to a kind of quiet roll stability experiment of tractor
Platform and control method.
Background technology
Traditional technology is suitable for the quiet roll stability testing stand of off roader not yet, is only used for detection automobile
The testing stand of the equal quiet rollover performance of road vehicles, most of testing stands can only carry out unilateral rollover, and the testing experiment preparatory period is long,
Complicated for operation, heavy workload, testing efficiency is low, and cannot detect longitudinal direction of car and lateral maximum rollover angle of stability, examination simultaneously
It tests platform tilting mechanism lifting power and uses hydraulic system, be not easy to meet stationarity and lifting speed in standard NY/T1929-2010
Spend test requirements document so that test platform structure and observation and control technology are complicated, and of high cost, measurement accuracy is not easy to ensure, it is difficult to be suitable for non-
The quiet roll stability experiment of tractor of road vehicle.
Invention content
To solve problems of the prior art, a kind of quiet roll stability testing stand of tractor of present invention offer and control
Method processed has test process simple, and Measure Precision is high, meets the stationarity and lifting speed of the quiet roll stability experiment of tractor
Degree requires, while bearing capacity height and advantage safe and reliable to operation.
To achieve the above object, the technical solution adopted by the present invention is：A kind of quiet roll stability testing stand of tractor, packet
Pedestal, test platen, power plant and transmission device are included, the pedestal is equipped with rack, and the transmission device is installed on described
In rack, the transmission device is connect with the power plant and the test platen respectively；The transmission device includes rollover
Transmission mechanism and rotation mechanism in vertical shaft, the rollover transmission mechanism are mounted in the rack, the rotation mechanism in vertical shaft installation
On the rollover transmission mechanism；The rollover transmission mechanism includes the first speed changer, driving gear shaft, main drive gear bearing
Seat, driving gear, driven gear, turntable and turntable bearing block, first speed changer respectively with the power plant and described
Driving gear axis connection, the driving gear shaft bearing are connect with the rack, and the driving gear shaft is mounted on the active
In gear shaft holder, the driving gear is mounted on the driving gear shaft, and the driven gear is mounted on the turntable two
Side, the driving gear and driven gear intermeshing, the shaft of the turntable both sides are mounted on the turntable bearing block
In, the turntable bearing block is fixedly installed in the rack；The rotation mechanism in vertical shaft includes the second speed changer, anti-offside
Wheel, support board and bearing, second speed changer are connect with the power plant and the support board respectively, described to prevent more
Position wheel is uniformly arranged on the round hole wheel rim on the turntable top, and this prevents that the other end of offside wheel connects with the support board
It connects, the upper surface of the support board is connect with the test platen, bearing is laid on the turntable, and the bearing is another
One end is contacted with the support board；Testboard board bottom portion is equipped with wheel positioning device.
When in use, the quiet roll stability testing stand of the tractor is adjusted to original state, test platen is made to be in level
The tractor of test is placed on test platen by position with crane, and the wheel of the tractor is just correspondingly arranged at test
On the wheel positioning device of platen bottom；Setting rollover transmission mechanism and rotation mechanism in vertical shaft are to realize test platen rollover
With horizontally rotate, simulated implementation tractor rolls and climb and fall state in slope, tests the maximum quiet rollover stabilization of tractor
It angle and faces upward and turns over angle, which drives driving gear shaft rotation by power plant by the first speed changer, then by actively
Gear realizes rollover transmission with driven gear intermeshing；Rotation mechanism in vertical shaft drives branch by power plant by the second speed changer
Hold round plate movement, to drive test platen realization to horizontally rotate, the anti-offside wheel of setting be in order to preferably by support board with
Turn on one's side transmission mechanism connection, while in order to increase bearing capacity below support board be provided with bearing, and the first speed changer and
Second speed changer is all made of worm and wormwheel speed changer, while having self-locking function；The quiet roll stability testing stand of the tractor without
Tractor need to be turned around to carry out quiet roll stability experiment, test process is simple, while bearing capacity is strong.
Preferably, the quiet roll stability testing stand of the tractor further includes safety device, anti-side-slip apparatus and observing and controlling
System, the safety device and the anti-side-slip apparatus are mounted on the test platen along the two of tractor travel direction
Side, the side for being located at the safety device are equipped with crosswind wind turbine, and the test platen is along the front of tractor travel direction
It is additionally provided with forward windage wind turbine；The TT＆C system signal output end respectively with the signal input part of the wheel positioning device and
The signal input part connection of the test platen.
In view of safety is provided with safety device and anti-side-slip apparatus, prevent tractor from falling during the test
It falls, it is ensured that it is safe and reliable to operation, while the quiet roll stability testing stand of the tractor can be additionally used in the windage of other vehicles, break away
It is tested when moving ahead windage in vehicle heading with tests such as light in order to detect the forward windage and sideslip performance of vehicle
Front is provided with the windage wind turbine that moves ahead, and test sideslip performance is provided with crosswind wind turbine in the side of the safety device, and
The forward windage wind turbine and crosswind wind turbine are controlled by TT＆C system.
Preferably, the safety device includes guardrail, protective frame and anti-rollover baffle, and the guardrail is mounted on described
It tests on platen, the protective frame is movably arranged on the guardrail, and the anti-rollover baffle is movably arranged on the protective frame
On.
It is the safety for ensureing tractor and preventing tractor from turning on one's side in maximum quiet rollover angle of stability that safety device, which is arranged,
Facility, and protective frame is movably arranged on guardrail in the side-tipping protective of test process in order to adapt to different size tractor, prevent
Rollover baffle is flexibly connected with protective frame.
Preferably, the anti-side-slip apparatus includes anti-sideslip baffle and pressure plate, and the pressure plate is arranged in the anti-side
On sliding baffle, and the anti-sideslip baffle plate setting is on the test platen.
It is that tractor generation sideslip during rollover experiment causes tractor from survey in order to prevent that anti-side-slip apparatus, which is arranged,
It is slid on test stand plate.
Preferably, the wheel positioning device is wheel alignment weighing device or wheel side sliding flat rubber belting support roller device.
It is selected in wheel alignment weighing device and wheel side sliding flat rubber belting support roller device according to the specific measurement demand of vehicle
One use.
Preferably, the wheel alignment weighing device is installed on testboard board bottom portion, and the wheel of corresponding tractor
Stand；The wheel alignment weighing device includes that wheel alignment is weighed active platen and weight box, and the wheel alignment claims
Taskwork network platen is connect with the weight box.
When in use, specified position need to be parked in by testing the wheel of vehicle, carry out positioning setting to vehicle for convenience
Wheel alignment is weighed active platen, while being measured wheel for convenience and being weighed to wheel alignment the normal pressure of active platen,
I.e. wheel alignment weigh active platen normal reaction be provided with weight box；Four wheel alignment of four tires of corresponding vehicle claim
The coordination under TT＆C system effect is set in refitting, and simulating vehicle travel situations on hilly and mountainous land road surface test getting over for vehicle
Wild nature energy.
Preferably, the wheel side sliding flat rubber belting support roller device is installed on testboard board bottom portion, and corresponds to tractor
Wheel stand；The wheel side sliding flat rubber belting support roller device includes that wheel alignment is weighed roller and flat rubber belting, and the flat rubber belting is surround
The wheel alignment is installed on to weigh the periphery of roller.
By flat rubber belting wheel alignment roller of weighing is wrapped up integral, coordinates move ahead windage wind turbine, crosswind wind turbine and observing and controlling
System detectio vehicle forward windage and sideslip performance, at the same by wheel alignment weigh roller to test vehicle weigh.
Preferably, the TT＆C system includes pressure sensor, angular transducer and switch board, the pressure sensor peace
On the wheel positioning device, the angular transducer is mounted on the test platen, the pressure sensor and angle
Degree sensor is connect with the switch board signal.
Pressure sensor setting is during being to test tractor in quiet rollover for convenience on wheel positioning device to it
Pressure；Rollover during being to test tractor in quiet rollover for convenience on testing platen is arranged in angular transducer
Angle；Switch board is the test record of analyzing processing pressure sensor and angular transducer for convenience, while being controlled for convenience
Pressing pressure sensor and angular transducer measure.
Preferably, the power plant includes first motor and the second motor, and the first motor is driven with the rollover
First speed changer of mechanism connects；Second motor is connect with the second speed changer of the rotation mechanism in vertical shaft.
Power plant includes first motor and the second motor is to respectively drive rollover transmission mechanism and horizontal turn for convenience
Motivation structure carries out the quiet roll stability test of tractor, and motor control cost is low, and Measure Precision is high, is easy to reach the quiet side of tractor
Turn over stationarity and the lifting speed requirement of experiment.
A kind of control method of the quiet roll stability testing stand of tractor, includes the following steps：
(1) prepare before surveying：Tractor is placed on test platen, safety device and anti-side are adjusted and fix
Sliding device；
(2) control and measurement：Start TT＆C system initialization, by magneto, incremental encoder and embedded controls
Device connects the closed-loop control system to be formed, and control rollover transmission mechanism or rotation mechanism in vertical shaft change test platen and tractor
Posture, pressure sensor and angular transducer, which are started to work, to be measured；
(3) measurement data conversion and analysis：Chromacoder connects, and chromacoder is A/D conversion modules, will be surveyed
The analog quantity of amount is converted into digital information, and digital information is passed to embedded driving-controlling device analyzing processing；
(4) measurement data is shown：Measurement data after analyzing processing shows by graphic control panel, prints or USB outputs
Storage.
The beneficial effects of the invention are as follows：
(1) when in use, the quiet roll stability testing stand of the tractor is adjusted to original state, test platen is made to be in water
Prosposition is set, and the tractor of test is placed on test platen with crane, and the wheel of the tractor is just correspondingly arranged at survey
On the wheel positioning device in test stand board bottom portion；Setting rollover transmission mechanism and rotation mechanism in vertical shaft are to realize test platen side
It turns over and horizontally rotates, simulated implementation tractor is rolled in slope and climb and fall state, the quiet rollover of maximum for testing tractor are steady
Determine angle and face upward to turn over angle, which drives driving gear shaft rotation by power plant by the first speed changer, then by leading
Moving gear realizes rollover transmission with driven gear intermeshing；Rotation mechanism in vertical shaft is driven by power plant by the second speed changer
Support board moves, and to drive test platen realization to horizontally rotate, the anti-offside wheel of setting is in order to preferably by support board
It is connect with rollover transmission mechanism, while bearing, and the first speed changer is provided with below support board in order to increase bearing capacity
It is all made of worm and wormwheel speed changer with the second speed changer, while there is self-locking function；The quiet roll stability testing stand of the tractor
It is not necessary that tractor turns around to carry out quiet roll stability experiment, test process is simple, while bearing capacity is strong；
(2) it considers that safety is provided with safety device and anti-side-slip apparatus, prevents tractor during the test
It falls, it is ensured that it is safe and reliable to operation, while the quiet roll stability testing stand of the tractor can be additionally used in the windage of other vehicles, side
The tests such as sliding and light are tested when moving ahead windage to detect the forward windage and sideslip performance of vehicle in vehicle heading
Front be provided with the windage wind turbine of moving ahead, test sideslip performance is provided with crosswind wind turbine in the side of the safety device,
And the forward windage wind turbine and crosswind wind turbine are controlled by TT＆C system；
(3) safety device includes guardrail, protective frame and anti-rollover baffle, and the guardrail is mounted on the test platen
On, the protective frame is movably arranged on the guardrail, and the anti-rollover baffle is movably arranged in the protective frame；Setting peace
Full protection device is the safety devices for ensureing tractor and preventing tractor from turning on one's side in maximum quiet rollover angle of stability, and in order to adapt to
Protective frame is movably arranged on guardrail by different size tractor in the side-tipping protective of test process, anti-rollover baffle and protective frame
Flexible connection；
(4) anti-side-slip apparatus includes anti-sideslip baffle and pressure plate, and the pressure plate is arranged on the anti-sideslip baffle,
And the anti-sideslip baffle plate setting is on the test platen；It is that tractor was tested in rollover in order to prevent that anti-side-slip apparatus, which is arranged,
Occurring to break away in journey causes tractor to be slid from test platen；
(5) wheel positioning device is wheel alignment weighing device or wheel side sliding flat rubber belting support roller device；According to the tool of vehicle
Bulk measurement demand selects a use in wheel alignment weighing device and wheel side sliding flat rubber belting support roller device；
(6) wheel alignment weighing device is installed on testboard board bottom portion, and the wheel stand of corresponding tractor；
The wheel alignment weighing device includes that wheel alignment is weighed active platen and weight box, and the wheel alignment is weighed active platen
It is connect with the weight box；In use, the wheel of test vehicle need to be parked in specified position, vehicle is determined for convenience
Position is provided with wheel alignment and weighs active platen, while measurement wheel weighs to wheel alignment the normal direction of active platen for convenience
Pressure, i.e. wheel alignment weigh active platen normal reaction be provided with weight box；Four wheels of four tires of corresponding vehicle
The coordination under TT＆C system effect of positioning weighing device, simulating vehicle travel situations, test carriage on hilly and mountainous land road surface
Cross-country ability；
(7) wheel side sliding flat rubber belting support roller device is installed on testboard board bottom portion, and the wheel of corresponding tractor is parked
Position；The wheel side sliding flat rubber belting support roller device includes that wheel alignment is weighed roller and flat rubber belting, and the flat rubber belting is fitted around in institute
Wheel alignment is stated to weigh the periphery of roller；By flat rubber belting wheel alignment roller of weighing is wrapped up integral, coordinates the windage wind of moving ahead
Machine, crosswind wind turbine and TT＆C system detection vehicle forward windage and sideslip performance, at the same by weigh roller to test vehicle into
Row is weighed；
(8) TT＆C system includes pressure sensor, angular transducer and switch board, and the pressure sensor is mounted on described
On wheel positioning device, the angular transducer is mounted on the test platen, the pressure sensor and angular transducer
It is connect with the switch board signal；It is to test tractor for convenience quiet that pressure sensor, which is arranged on wheel positioning device,
To its pressure during rollover；Angular transducer setting is that test tractor was turned on one's side quiet for convenience on test platen
A rollover angle in journey；Switch board is the test record of analyzing processing pressure sensor and angular transducer for convenience,
Control pressure sensor and angular transducer measure for convenience simultaneously；
(9) power plant includes first motor and the second motor, and the of the first motor and the rollover transmission mechanism
One speed changer connects；Second motor is connect with the second speed changer of the rotation mechanism in vertical shaft；Power plant includes first
Motor and the second motor are to respectively drive rollover transmission mechanism and the quiet rollover of rotation mechanism in vertical shaft progress tractor for convenience surely
Qualitative test, motor control cost is low, and Measure Precision is high, is easy to reach the stationarity and lifting speed of the quiet rollover experiment of tractor
It is required that.
Description of the drawings
Fig. 1 is the overall structure diagram of the quiet roll stability testing stand of tractor of the present invention；
Fig. 2 is the main view overall structure diagram of the quiet roll stability testing stand of tractor of the present invention；
The vertical view overall structure diagram of the quiet roll stability testing stand of Fig. 3 tractors of the present invention；
The overall structure diagram of the transmission device of the quiet roll stability testing stand of Fig. 4 tractors of the present invention；
The wheel alignment weighing device overall structure diagram of the quiet roll stability testing stand of Fig. 5 tractors of the present invention；
The measurement sideslip flat rubber belting support roller device overall structure of the quiet roll stability testing stand of Fig. 6 tractors of the present invention is illustrated
Figure；
The control system architecture figure of the quiet roll stability testing stand of Fig. 7 tractors of the present invention；
Reference sign：
1, pedestal；2, rack；3, first motor；4, transmission device；41, rollover transmission mechanism；411, the first speed changer；
412, driving gear shaft；413, driving gear shaft bearing；414, driving gear；415, driven gear；416, turntable；417, turntable
Bearing block；42, rotation mechanism in vertical shaft；421, the second speed changer；422, prevent offside wheel；423, support board；424, bearing；5,
Two motors；6 test platens；7, safety device；71, guardrail；72, protective frame；73, anti-rollover baffle；8, anti-side-slip apparatus；
81, anti-sideslip baffle；82, pressure plate；9, wheel alignment weighing device；91, wheel alignment is weighed active platen；92, weight box；
10, defective steering stabilizer flat rubber belting support roller device；101, wheel alignment is weighed roller；102, flat rubber belting；11, move ahead windage wind turbine；12, crosswind
Wind turbine；131, pressure sensor；132, angular transducer；133, switch board.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in figures 1 to 6, the quiet roll stability testing stand of a kind of tractor, including pedestal 1, test platen 6, power plant
With transmission device 4, the pedestal 1 is equipped with rack 2, and the transmission device 4 is installed in the rack 2, the transmission device 4
It is connect respectively with the power plant and the test platen 6；The transmission device 4 includes rollover transmission mechanism 41 and horizontal turn
Motivation structure 42, the rollover transmission mechanism 41 are mounted in the rack 2, and the rotation mechanism in vertical shaft 42 is mounted on the rollover
On transmission mechanism 41；The rollover transmission mechanism 41 includes the first speed changer 411, driving gear shaft 412, driving gear shaft bearing
413, driving gear 414, driven gear 415, turntable 416 and turntable bearing block 417, first speed changer 411 respectively with institute
It states power plant and the driving gear shaft 412 connects, the driving gear shaft bearing 413 is connect with the rack 2, the master
Movable gear shaft 412 is mounted in the driving gear shaft bearing 413, and the driving gear 414 is mounted on the driving gear shaft
On 412, the driven gear 415 is mounted on 416 both sides of the turntable, 415 phase of the driving gear 414 and the driven gear
The shaft of mutually engagement, 416 both sides of the turntable is mounted in the turntable bearing block 417, and the turntable bearing block 417 fixes peace
Loaded in the rack 2；The rotation mechanism in vertical shaft 42 includes the second speed changer 421, anti-offside wheel 422,423 and of support board
Bearing 424, second speed changer 421 are connect with the power plant and the support board 423 respectively, described to prevent offside wheel
422 are uniformly arranged on the round hole wheel rim on 416 top of the turntable, and the other end of the anti-offside wheel 422 and the support
Plectane 423 connects, and the upper surface of the support board 423 connect with the test platen 6, is laid on the turntable 416
Bearing 424, and the other end of the bearing 424 is contacted with the support board 423；6 bottom of test platen is fixed equipped with wheel
Position device.
When in use, the quiet roll stability testing stand of the tractor is adjusted to original state, test platen 6 is made to be in level
The tractor of test is placed on test platen 6 by position with crane, and the wheel of the tractor is just correspondingly arranged at test
On the wheel positioning device of 6 bottom of platen；Setting rollover transmission mechanism 41 and rotation mechanism in vertical shaft 42 are to realize testboard
Plate is turned on one's side and is horizontally rotated, and simulated implementation tractor tests the maximum of hillside tractor in slope inclination and climb and fall state
It quiet rollover angle of stability and faces upward and turns over angle, which passes through the first speed changer 411 by power plant and drive driving gear
Axis 412 rotates, then realizes rollover transmission by driving gear 414 and the intermeshing of driven gear 415；Rotation mechanism in vertical shaft 42 is by moving
Power apparatus drives support board 423 to move by the second speed changer 421, to drive the test realization of platen 6 to horizontally rotate, is arranged
Anti- offside wheel 422 is in order to preferably connect support board 423 with transmission mechanism 41 of turning on one's side, while in order to increase bearing capacity
Bearing 424 is provided with below support board 423, and the first speed changer 411 and the second speed changer 421 are all made of worm and wormwheel change
Fast device, while there is self-locking function；The quiet roll stability testing stand of the tractor is not necessarily to that tractor turns around to carry out quiet rollover surely
Qualitative test, test process is simple, while bearing capacity is strong.
Embodiment 2：
As shown in figs. 1-7, on the basis of embodiment 1, the quiet roll stability testing stand of the tractor also wraps the present embodiment
Safety device 7, anti-side-slip apparatus 8 and TT＆C system are included, the safety device 7 and the anti-side-slip apparatus 8 are pacified
Loaded on the test platen 6 along the both sides of tractor travel direction, the side for being located at the safety device 7 is equipped with crosswind wind
Machine 12, the test platen 6 are additionally provided with forward windage wind turbine 11 in front of tractor travel direction；The TT＆C system signal
Output end is connect with the signal input part of the signal input part of the wheel positioning device and the test platen 6 respectively.
In view of safety is provided with safety device 7 and anti-side-slip apparatus 8, prevent tractor from falling during the test
It falls, it is ensured that it is safe and reliable to operation, while the quiet roll stability testing stand of the tractor can be additionally used in the windage of other vehicles, break away
It is tested when moving ahead windage in vehicle heading with tests such as light in order to detect the forward windage and sideslip performance of vehicle
Front is provided with the windage wind turbine 11 that moves ahead, and test sideslip performance is provided with crosswind wind turbine in the side of the safety device 7
12, and the forward windage wind turbine 11 and crosswind wind turbine 12 are controlled by TT＆C system.
Embodiment 3：
As shown in figs. 1-7, on the basis of embodiment 1, the safety device 7 includes guardrail 71, prevents the present embodiment
Retaining frame 72 and anti-rollover baffle 73, the guardrail 71 are mounted on the test platen 6, and the protective frame 72 is movably arranged on institute
It states on guardrail 71, the anti-rollover baffle 73 is movably arranged in the protective frame 72.
It is the safety for ensureing tractor and preventing tractor from turning on one's side in maximum quiet rollover angle of stability that safety device 7, which is arranged,
Facility, and protective frame 72 is movably arranged on guardrail 71 in the side-tipping protective of test process in order to adapt to different size tractor
On, anti-rollover baffle 73 is flexibly connected with protective frame 72.
Embodiment 4：
As shown in figs. 1-7, for the present embodiment on the basis of embodiment 1, the anti-side-slip apparatus 8 includes anti-sideslip baffle 81
With pressure plate 82, the pressure plate 82 is arranged on the anti-sideslip baffle 81, and the anti-sideslip baffle 81 is arranged in the survey
On test stand plate 6.
It is that tractor generation sideslip during rollover experiment causes tractor from survey in order to prevent that anti-side-slip apparatus 8, which is arranged,
It is slid on test stand plate 6.
Embodiment 5：
As shown in figs. 1-7, the present embodiment on the basis of embodiment 1, for wheel alignment weigh by the wheel positioning device
Device 9 or wheel side sliding flat rubber belting support roller device 10.Wheel alignment weighing device 9 and vehicle are selected according to the specific measurement demand of vehicle
Take turns a use in sideslip flat rubber belting support roller device 10.
Embodiment 6：
As shown in figs. 1-7, on the basis of embodiment 1, the wheel alignment weighing device 9 is installed on described the present embodiment
Test 6 bottom of platen, and the wheel stand of corresponding tractor；The wheel alignment weighing device 9 claims including wheel alignment
Taskwork network platen 91 and weight box 92, the wheel alignment active platen 91 of weighing are connect with the weight box 92.
When in use, specified position need to be parked in by testing the wheel of vehicle, carry out positioning setting to vehicle for convenience
Wheel alignment is weighed active platen 91, while being measured wheel for convenience and being weighed to wheel alignment the normal direction pressure of active platen 91
Power, i.e. wheel alignment weigh active platen normal reaction be provided with weight box 92.Four wheels of four tires of corresponding vehicle
The coordination under TT＆C system effect of positioning weighing device 9, simulating vehicle travel situations, test carriage on hilly and mountainous land road surface
Cross-country ability.
Embodiment 7：
As shown in figs. 1-7, the present embodiment on the basis of embodiment 1, install by the wheel side sliding flat rubber belting support roller device 10
In 6 bottom of test platen, and correspond to the wheel stand of tractor；The wheel side sliding flat rubber belting support roller device 10 includes
Wheel alignment is weighed roller 101 and flat rubber belting 102, and the flat rubber belting 102 is fitted around weighs the outer of roller 101 in the wheel alignment
It encloses.
By flat rubber belting 102 wheel alignment roller 101 of weighing is wrapped up integral, coordinates move ahead windage wind turbine 11, crosswind wind
Machine 12 and TT＆C system detection vehicle forward windage and sideslip performance, while roller 101 is weighed to test carriage by wheel alignment
It weighs.
Embodiment 8：
As shown in figs. 1-7, the present embodiment is on the basis of embodiment 1, the TT＆C system include pressure sensor 131,
Angular transducer 132 and switch board 133, the pressure sensor 131 are mounted on the wheel positioning device, and the angle passes
Sensor 132 is mounted on the test platen 6, the pressure sensor 131 and angular transducer 132 with the switch board
133 signals connect.
The setting of pressure sensor 131 is right during being to test tractor in quiet rollover for convenience on wheel positioning device
Its pressure；One during being to test tractor in quiet rollover for convenience on testing platen 6 is arranged in angular transducer 132
A rollover angle；Switch board 133 is the test record of analyzing processing pressure sensor 131 and angular transducer 132 for convenience,
Control pressure sensor 131 and angular transducer 132 measure for convenience simultaneously.
Embodiment 9：
As shown in figs. 1-7, for the present embodiment on the basis of embodiment 1, the power plant includes first motor 3 and second
Motor 5, the first motor 3 are connect with the first speed changer 411 of the rollover transmission mechanism 41；Second motor 5 and institute
State the second speed changer 421 connection of rotation mechanism in vertical shaft 42.
Power plant includes first motor 3 and the second motor 5 is to respectively drive rollover transmission mechanism 41 and water for convenience
Flat rotating mechanism 42 carries out the quiet roll stability test of tractor, and motor control cost is low, and Measure Precision is high, is easy to reach dilatory
The stationarity of the quiet rollover experiment of machine and lifting speed requirement.
Embodiment 10：
A kind of control method of the quiet roll stability testing stand of tractor, includes the following steps：
(1) prepare before surveying：Tractor is placed on test platen 6, safety device 7 is adjusted and fix and is prevented
Side-slip apparatus 8；
(2) control and measurement：Start TT＆C system initialization, by magneto, incremental encoder and embedded controls
Device connects the closed-loop control system to be formed, and control rollover transmission mechanism 41 or rotation mechanism in vertical shaft 42 change test 6 He of platen
The posture of tractor, pressure sensor 131 and angular transducer 132, which are started to work, to be measured；
(3) measurement data conversion and analysis：Chromacoder connects, and chromacoder is A/D conversion modules, will be surveyed
The analog quantity of amount is converted into digital information, and digital information is passed to embedded driving-controlling device analyzing processing；
(4) measurement data is shown：Measurement data after analyzing processing shows by graphic control panel, prints or USB outputs
Storage.
Specific work process：
The power switch and operation-control switch for starting switch board 133, the quiet roll stability testing stand of tractor is adjusted to
Original state is tested platen 6 and is horizontal, tractor is stably placed on test platen 6 with crane, tractor
Four wheels be in wheel alignment and weigh on active platen 91, adjust the position of safety device 7 and anti-side-slip apparatus 8
Set and be locked, start first motor 3, impart power to rollover transmission mechanism 41, power by the first speed changer 411,
Driving gear shaft 412, driving gear 414 and driven gear 415 pass to turntable 416, make turntable 416 drive test platen 6 into
Row rollover rotation, in the tractor tilting procedure on test platen 6, tire weighs to wheel alignment the normal direction of active platen 91
Counter-force will in real time be recorded by TT＆C system, when unilateral wheel alignment weigh the normal reaction of active platen 91 be zero when,
TT＆C system will actively stop testing stand rollover rotation, and record the rollover angle of test platen 6；When need test tractor
When the rollover angle of stability of the other side, it is only necessary to allow test platen 6 to return to original horizontal position, then be controlled and changed by TT＆C system
Test the rollover rotation direction of platen 6；When test tractor is longitudinally faced upward and turns over angle, need to be in initial in test platen 6
When horizontal position, starts the second motor 5, power is transmitted to by support board 423 by the second speed changer 421, makes 6 turns of test platen
It is 90 degree dynamic, then faced upward with tractor left-right rollover angle of stability test method test tractor and turn over angle.
The course of work for measuring the comprehensive performances such as the cross-country of vehicle, traction, light：
Start 133 power switch of switch board and operation-control switch, the quiet roll stability testing stand of tractor is adjusted to just
Beginning state is tested platen 6 and is horizontal, vehicle is stably placed on test platen 6 with crane, four of vehicle
Wheel is in wheel alignment and weighs on active platen 91, and the wheel alignment controlled respectively by TT＆C system under four wheels is weighed
9 coordination of device, simulates the truth of Uneven road, detects the cross-country ability of vehicle；When four wheels of vehicle are equal
When weighing on active platen 91 in wheel alignment, pulling force sensor is installed on test platen 6, and connect with vehicle tail,
Startup automobile low-speed, which moves ahead, tests its tractive force that moves ahead；It weighs active platen 91 when four wheels of vehicle are in wheel alignment
When upper, vehicular head light detector was set in 6 front of test platen, detects lights of vehicle.
For measuring the forward windage of vehicle, the course of work of sideslip performance：
Start 133 power switch of switch board and operation-control switch, the quiet roll stability testing stand of tractor is adjusted to just
Beginning state is tested platen 6 and is horizontal, vehicle is stably placed on test platen 6 with crane, four of vehicle
Wheel is on wheel side sliding flat rubber belting support roller device 10, forward windage wind turbine 11 and crosswind wind turbine 12 is respectively started, by observing and controlling
The forward windage and side-slip characteristics of system testing vehicle.
Specific implementation mode of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Claims (10)
1. a kind of quiet roll stability testing stand of tractor, which is characterized in that including pedestal, test platen, power plant and biography
Dynamic device, the pedestal are equipped with rack, and the transmission device is installed in the rack, the transmission device respectively with it is described
Power plant is connected with the test platen；The transmission device includes rollover transmission mechanism and rotation mechanism in vertical shaft, the side
Transmission mechanism is turned in the rack, the rotation mechanism in vertical shaft is mounted on the rollover transmission mechanism；The rollover
Transmission mechanism includes the first speed changer, driving gear shaft, driving gear shaft bearing, driving gear, driven gear, turntable and turntable
Bearing block, first speed changer respectively with the power plant and the driving gear axis connection, the main drive gear bearing
Seat is connect with the rack, and the driving gear shaft is mounted in the driving gear shaft bearing, and the driving gear is mounted on
On the driving gear shaft, the driven gear is mounted on the turntable both sides, the driving gear and the driven gear phase
The shaft of mutually engagement, the turntable both sides is mounted in the turntable bearing block, and the turntable bearing block is fixedly installed in described
In rack；The rotation mechanism in vertical shaft includes the second speed changer, anti-offside wheel, support board and bearing, second speed changer
It is connect respectively with the power plant and the support board, the anti-offside wheel is uniformly arranged on the circle on the turntable top
On the wheel rim of hole, and this prevents that the other end of offside wheel is connect with the support board, the upper surface of the support board and the survey
Test stand plate connects, and is laid with bearing on the turntable, and the other end of the bearing is contacted with the support board；The test
Platen bottom is equipped with wheel positioning device.
2. the quiet roll stability testing stand of tractor according to claim 1, which is characterized in that the stabilizing tester is also
Including safety device, anti-side-slip apparatus and TT＆C system, the safety device and the anti-side-slip apparatus are respectively mounted
In the test platen along the both sides of tractor travel direction, the side for being located at the safety device is equipped with crosswind wind turbine,
The test platen is additionally provided with forward windage wind turbine in front of tractor travel direction；The TT＆C system signal output end point
It is not connect with the signal input part of the signal input part of the wheel positioning device and the test platen.
3. the quiet roll stability testing stand of tractor according to claim 2, which is characterized in that the safety device
Including guardrail, protective frame and anti-rollover baffle, the guardrail is mounted on the test platen, and the protective frame is movably arranged on
On the guardrail, the anti-rollover baffle is movably arranged in the protective frame.
4. the quiet roll stability testing stand of tractor according to claim 2, which is characterized in that the anti-side-slip apparatus packet
Anti- sideslip baffle and pressure plate are included, the pressure plate is arranged on the anti-sideslip baffle, and the anti-sideslip baffle plate setting is in institute
It states on test platen.
5. the quiet roll stability testing stand of tractor according to claim 1, which is characterized in that the wheel positioning device
For wheel alignment weighing device or wheel side sliding flat rubber belting support roller device.
6. the quiet roll stability testing stand of tractor according to claim 5, which is characterized in that the wheel alignment is weighed
Device is installed on testboard board bottom portion, and the wheel stand of corresponding tractor；The wheel alignment weighing device packet
It includes wheel alignment to weigh active platen and weight box, the wheel alignment active platen of weighing is connect with the weight box.
7. the quiet roll stability testing stand of tractor according to claim 5, which is characterized in that the wheel side sliding flat rubber belting
Support roller device is installed on testboard board bottom portion, and the wheel stand of corresponding tractor；The wheel side sliding flat rubber belting support
Roller arrangement includes that wheel alignment is weighed roller and flat rubber belting, and the flat rubber belting is fitted around weighs the outer of roller in the wheel alignment
It encloses.
8. the quiet roll stability testing stand of tractor according to claim 2, which is characterized in that the TT＆C system includes
Pressure sensor, angular transducer and switch board, the pressure sensor are mounted on the wheel positioning device, the angle
Sensor is mounted on the test platen, and the pressure sensor and angular transducer are connect with the switch board signal.
9. the quiet roll stability testing stand of tractor according to claim 1, which is characterized in that the power plant includes
First motor and the second motor, the first motor are connect with the first speed changer of the rollover transmission mechanism；Second electricity
Machine is connect with the second speed changer of the rotation mechanism in vertical shaft.
10. a kind of control method of the quiet roll stability testing stand of tractor, includes the following steps：
(1) prepare before surveying：Tractor is placed on test platen, safety device and anti-sideslip dress are adjusted and fix
It sets；
(2) control and measurement：Start TT＆C system initialization, by magneto, incremental encoder and embedded driving-controlling device
The closed-loop control system formed is connected, control rollover transmission mechanism or rotation mechanism in vertical shaft change the appearance of test platen and tractor
State, pressure sensor and angular transducer, which are started to work, to be measured；
(3) measurement data conversion and analysis：Chromacoder connects, and chromacoder is A/D conversion modules, by measurement
Analog quantity is converted into digital information, and digital information is passed to embedded driving-controlling device analyzing processing；
(4) measurement data is shown：Measurement data after analyzing processing shows by graphic control panel, prints or USB output storages.
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| CN201810421506.8A CN108535027B (en) | 2018-05-04 | 2018-05-04 | Static side-turning stability test bed for tractor |
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| CN201810421506.8A CN108535027B (en) | 2018-05-04 | 2018-05-04 | Static side-turning stability test bed for tractor |
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| CN108535027B CN108535027B (en) | 2020-07-17 |
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| CN110646225A (en) * | 2019-09-24 | 2020-01-03 | 上汽通用汽车有限公司 | Test road for tire testing and tire testing method |
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|---|---|
| CN108535027B (en) | 2020-07-17 |
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