CN106644509B - Detect the testing stand of vehicle braking distance and the determination method of braking distance - Google Patents
Detect the testing stand of vehicle braking distance and the determination method of braking distance Download PDFInfo
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- CN106644509B CN106644509B CN201611132700.1A CN201611132700A CN106644509B CN 106644509 B CN106644509 B CN 106644509B CN 201611132700 A CN201611132700 A CN 201611132700A CN 106644509 B CN106644509 B CN 106644509B
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- G—PHYSICS
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- 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
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Abstract
The present invention provides a kind of determination methods of testing stand for detecting vehicle braking distance and braking distance.The testing stand for detecting vehicle braking distance includes vehicle support platform, vehicle support platform is for placing test car body, vehicle support platform includes basic platform and rail wheel pair, and rail wheel is to being rotatablely arranged on basic platform, and rail wheel is to the vehicle wheel rotation for driving test car body；Flying wheel group is with rail wheel to being connected, and flying wheel group and rail wheel are to synchronous rotation；Control system, control system are used to control vehicle support platform and test car body；Detection system is for detecting the braking distance of wheel.By using the braking distance of testing stand measurement vehicle, the case where vehicle drawing to the test for being in the enterprising driving braking distance of running track is directly influenced into the normal operation of train is avoided.The test period that vehicle braking distance can effectively be shortened using the testing stand improves the computational accuracy and reliability of vehicle braking distance.
Description
Technical field
The present invention relates to vehicle braking distance measuring device technical fields, in particular to a kind of detection vehicle braking
The testing stand of distance and the determination method of braking distance.
Background technique
Railway freight-car is the important tool of China Railway, with the sustainable development of Chinese national economy, railway freight
Towards multi-direction development such as heavy duty, quick, containerization and specializations.Requirement to the security performance of railway freight-car is increasingly
Height, and railway freight-car can stop in the range of safety it is particularly important.In the prior art, Yao Jinhang railway wagon brake distance
Test, needs to be tested on regular link, and the test period is long, costly, and uncertain factor is more and influence route is normal
Operation.
Summary of the invention
The main purpose of the present invention is to provide a kind of determinations of testing stand and braking distance for detecting vehicle braking distance
Method, to solve the problems, such as that the wheel braking distance test (DT) period is long in the prior art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of examination for detecting vehicle braking distance
Test platform, comprising: vehicle support platform, for vehicle support platform for placing test car body, vehicle support platform includes basic platform and track
Wheel pair, rail wheel is to being rotatablely arranged on basic platform, and rail wheel is to the vehicle wheel rotation for driving test car body；Flying wheel
Group, flying wheel group is with rail wheel to being connected, and flying wheel group and rail wheel are to synchronous rotation；Control system, control system are used for
Vehicle support platform and test car body are controlled；Detection system, detection system is for detecting the braking distance of wheel.
Further, flying wheel group includes: flying wheel supporting table, and flying wheel supporting table is located at the side of vehicle support platform；
Flying wheel is set in flying wheel supporting table；Reduction gearbox is set in flying wheel supporting table, reduction gearbox be set to flying wheel with
Between rail wheel pair, reduction gearbox is connected with the shaft of flying wheel and rail wheel pair respectively.
Further, flying wheel is multiple, and two neighboring flying wheel is connected by shaft coupling.
Further, flying wheel group is multiple groups, and each group of flying wheel group corresponds to a pair of tracks wheel pair.
Further, testing stand further include: Hooks coupling universal coupling, reduction gearbox is by Hooks coupling universal coupling and rail wheel to being connected
It connects.
Further, vehicle support platform further includes an end platform and "A" end of car platform, and an end platform and "A" end of car are flat
Platform is oppositely arranged, and at least one of an end platform and "A" end of car platform are movably disposed on basic platform.
Further, vehicle support platform further includes rail wheel supporting table group, is all provided on an end platform and "A" end of car platform
It is equipped at least one rail wheel supporting table group, rail wheel supporting table group is movably disposed in an end platform and/or "A" end of car
On platform, rail wheel is to being set in rail wheel supporting table group.
Further, rail wheel supporting table group includes the first rail wheel supporting table and the second rail wheel supporting table, the first rail
Road wheel supporting table is oppositely arranged with the second rail wheel supporting table, rail wheel to include the first rail wheel and the second rail wheel, first
Rail wheel is oppositely arranged with the second rail wheel.
Further, the first rail wheel supporting table is movably disposed on an end platform, and the first rail wheel is set to
In first rail wheel supporting table, and/or, the second rail wheel supporting table is movably disposed on "A" end of car platform, the second track
Wheel is set in the second rail wheel supporting table.
Further, testing stand further includes traction device, and one end of traction device is connected with test car body, traction device
For preventing test car body from falling off from vehicle support platform.
Further, testing stand further includes driving portion and torque sensor, and driving portion drives rail wheel to rotation, and torque passes
Sensor is used to detect the output torque and braking torque of driving portion.
Further, control system includes bicycle braking system, the braking system phase of bicycle braking system and test car body
Connection.
Further, detection system includes pressure sensor and speed probe, and pressure sensor is set to test car body
The pressure data of the upper checking cylinder for being used to detect test car body, speed probe are used to detect the revolving speed of wheel.
According to another aspect of the present invention, a kind of vehicle braking determination of distance method is provided, including for detecting vehicle
The testing stand of braking distance, testing stand is above-mentioned testing stand, determines method the following steps are included: control system controls track
Wheel rotates rotation, rail wheel to band motor car wheel and the flying wheel group；When the speed of wheel reaches preset value, control system
To motor sending stop operating order simultaneously to subject motor vehicle braking system issue order generate braking, brake shoe recline wheel generation
Friction is until consume the rotational energy of flying wheel group, until wheel stops operating；Detection system is according to vehicle support platform and examination
The operation data of body of validating the car determines the braking distance of wheel.
Further, detection system determines the braking distance according to the circle number of vehicle wheel rotation.
It applies the technical scheme of the present invention, the testing stand of the detection vehicle braking distance includes vehicle support platform, flying wheel
Group, control system and detection system.For vehicle support platform for placing test car body, vehicle support platform includes basic platform and track
Wheel pair.Rail wheel is to being rotatablely arranged on basic platform, and rail wheel is to the vehicle wheel rotation for driving test car body.Flying wheel group
With rail wheel to being connected.Flying wheel group and rail wheel are to synchronous rotation.Control system is used for vehicle support platform and instruction carriage
Body is controlled.Detection system is for detecting the braking distance of wheel.By using the system of testing stand measurement vehicle
Dynamic distance avoids and directly draws vehicle to the test in the enterprising driving braking distance of running track and influence train
Normal operation the case where.The test period that vehicle braking distance can effectively be shortened using the testing stand, improve vehicle
The computational accuracy and reliability of braking distance.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of the testing stand of detection vehicle braking distance according to the present invention；
Fig. 2 shows the structural schematic diagrams at another visual angle of the embodiment of testing stand in Fig. 1；
Fig. 3 shows the structural schematic diagram of the embodiment of the flying wheel group of testing stand in Fig. 1；And
Fig. 4 shows the control system of the testing stand of detection vehicle braking distance according to the present invention and the stream of detection system
Journey schematic diagram.
Wherein, the above drawings include the following reference numerals:
10, vehicle support platform；11, basic platform；
12, rail wheel pair；121, the first rail wheel；122, the second rail wheel；13, an end platform；14, "A" end of car is flat
Platform；
15, rail wheel supporting table group；151, the first rail wheel supporting table；152, the second rail wheel supporting table；
20, car body is tested；21, wheel；22, bogie；
30, flying wheel group；31, flying wheel supporting table；32, flying wheel；33, reduction gearbox；40, Hooks coupling universal coupling；50, it draws
Device；60, torque sensor；70, electromagnetic clutch；80, rotation sensor；90, driving device.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 1 to Fig. 4, according to an embodiment of the invention, providing a kind of test for detecting vehicle braking distance
Platform.
Specifically, as depicted in figs. 1 and 2, the testing stand of the detection vehicle braking distance includes vehicle support platform 10, inertia
Wheel group 30, control system and detection system.Vehicle support platform 10 includes basis for placing test car body 20, vehicle support platform 10
Platform 11 and rail wheel are to 12.Rail wheel is rotatablely arranged on basic platform 11 to 12, and rail wheel drives instruction carriage to 12
The wheel 21 of body 20 rotates.Flying wheel group 30 is connected with rail wheel to 12.Flying wheel group 30 and rail wheel are rotated synchronously to 12.
Control system is used to control vehicle support platform 10 and test car body 20.Detection system is used for the braking distance to wheel 21
It is detected.
In the present embodiment, it by using the braking distance of testing stand measurement vehicle, avoids and directly arrives vehicle drawing
Test in the enterprising driving braking distance of running track and the case where influence the normal operation of train.Using the test
Platform can effectively shorten the test period of vehicle braking distance, improve the computational accuracy and reliability of vehicle braking distance.
As shown in figure 3, flying wheel group 30 includes flying wheel supporting table 31, flying wheel 32 and reduction gearbox 33.Flying wheel support
Platform 31 is located at the side of vehicle support platform 10.Flying wheel 32 is set in flying wheel supporting table 31.Reduction gearbox 33 is set to inertia
Take turns in supporting table 31, reduction gearbox 33 is set to flying wheel 32 and rail wheel between 12, reduction gearbox 33 respectively with flying wheel 32 and
Rail wheel is connected to 12 shaft.Setting is enabled to when driving device 90 drives rail wheel to 12 rotation in this way, in-orbit
Road wheel is under 12 drive, and flying wheel group 30 is also with rail wheel to 12 rotations and rotary inertia having the same.When driving fills
When setting stopping driving rail wheel to 12 rotation, rail wheel is driven to continue to rotate to 12 in flying wheel group 30, so that rail wheel
It can continue to band motor car wheel 21 to 12 to rotate, at this point, control system stops operating order simultaneously to subject to motor sending
Motor vehicle braking system issues order and generates braking, and brake shoe reclines wheel generation friction until consuming the rotation energy of flying wheel group 30
Amount, until wheel 21 stops operating, the rotation data of the wheel detected by detection system determines the braking distance of wheel.
As shown in Figure 1, flying wheel 32 be it is multiple, two neighboring flying wheel 32 is connected by shaft coupling.It is arranged in this way
The weight of the flying wheel of same axis weight can be connected according to deadlight load.Tool is shown in Fig. 1, and there are two 32 flying wheels of flying wheel
Group 30.
Certainly, in order to further improve the practicability of the testing stand, multiple groups flying wheel group is set in the side of testing stand
30.As shown in Figure 1, showing with two groups of flying wheel groups 30.Wherein, the middle line on the length direction of flying wheel supporting table 31 with
Middle line on testing stand length direction is perpendicular.The parallel setting of middle line on the length direction of multiple flying wheel supporting tables 31.
In order to improve the reliability that flying wheel group is connect with vehicle support platform 10, the reduction gearbox 33 in flying wheel group 30 passes through
Hooks coupling universal coupling 40 is connected with rail wheel to 12.
Specifically, vehicle support platform 10 further includes an end platform 13 and "A" end of car platform 14, an end platform 13 and two
Position end platform 14 is oppositely arranged, and it is flat that at least one of an end platform 13 and "A" end of car platform 14 are movably disposed in basis
On platform 11.Setting enables to the distance between an end platform 13 and "A" end of car platform 14 adjustable in this way, by adjusting one
End the distance between platform 13 and "A" end of car platform 14 make the testing stand can adapt to the vehicle of different model, increase the examination
Test the practicability of platform.
The vehicle support platform 10 further includes rail wheel supporting table group 15.It is all provided on one end platform 13 and "A" end of car platform 14
It is equipped at least one rail wheel supporting table group 15, rail wheel supporting table group 15 is movably disposed in an end platform 13 and two
It holds on platform 14, rail wheel is set in rail wheel supporting table group 15 to 12.Wherein, rail wheel supporting table group 15 includes the first rail
Road wheel supporting table 151 and the second rail wheel supporting table 152, the first rail wheel supporting table 151 and 152 phase of the second rail wheel supporting table
To setting, rail wheel includes the first rail wheel 121 and the second rail wheel 122, the first rail wheel 121 and the second rail wheel to 12
122 are oppositely arranged.First rail wheel supporting table 151 is movably disposed on an end platform 13, the setting of the first rail wheel 121
In in the first rail wheel supporting table 151, the second rail wheel supporting table 152 is movably disposed on "A" end of car platform 14, and second
Rail wheel 122 is set in the second rail wheel supporting table 152.Setting enables to be set to an end platform 13 or two in this way
Hold the wheelbase between the adjacent rail wheel on platform 14 adjustable, by adjusting on an end platform 13 and "A" end of car platform 14
Wheelbase between adjacent rail wheel pair is adapted with the spacing of car body, can increase the reliability of the result of test.Wherein, fixed
Away from the centre distance between two wheel bogies 22 for referring to car body.
As depicted in figs. 1 and 2, car body derails during the test in order to prevent, which is also provided with traction
Device 50.One end of the traction device 50 is connected with test car body 20, and traction device 50 is for preventing test car body 20 from vehicle
It falls off in supporting table 10.
Further, testing stand further includes driving portion and torque sensor, and driving portion drives rail wheel to rotate to 12, torque
Sensor is for detecting the driving portion i.e. output torque of motor and braking torque.Torque sensor for being during monitoring test
It is no there are over burdening operating or testing stand whether failure.Wherein, the major parameter of torque sensor are as follows:
Control system includes bicycle braking system, and bicycle braking system is connected with the braking system of test car body 20.Examination
When testing, the flying wheel apparatus module unit of connection is determined according to vehicle axle weight, vehicle loading is to marking load-carrying.Driving motor rotation
Rail wheel rotation is driven, vehicle wheel starts simultaneously at movement to, inertia wheel apparatus, after running to certain speed, control system application
Brake command motor stalls, while control system applies order to bicycle braking system, due to railway freight-car, that is, instruction carriage
Body is connect with bicycle braking system by hose, so accordingly generation acts the braking system of railway freight-car itself, brake shoe reclines
Wheel inhibits vehicle wheel rotation, and vehicle deceleration stops, and test macro calculates braking according to circle number of the collected vehicle wheel to rotation
Distance.
Detection system includes pressure sensor and speed probe, and pressure sensor is set on test car body 20 for examining
The pressure data of the checking cylinder for body 20 of validating the car is tested, speed probe is used to detect the revolving speed of wheel 21.It can be by pressure sensing
Device is installed on C70 open-top car cylinder, tests the pressure lifting of checking cylinder.Speed probe is installed on testing stand, and will be passed
One wheel of sensor alignment probe C70 open-top car is equipped with probe sensing device on wheel, and C70 open-top car vehicle hoses are connected
Device is connect with single car test system hose coupling.
According to another aspect of the present invention, a kind of vehicle braking determination of distance method is provided, including for detecting vehicle
The testing stand of braking distance, testing stand is the testing stand in above-described embodiment, determines method the following steps are included: control system
It controls rail wheel to rotate to 12, rail wheel rotates 12 band motor car wheels 21 and the flying wheel group 30.When the speed of wheel 21 reaches
When to preset value, control system stops operating order to motor sending, while issuing order to subject motor vehicle braking system and generating
It brakes, brake shoe reclines wheel generation friction until the rotational energy of flying wheel group 30 is consumed, until the wheel 21 stopping turn
It is dynamic；
Detection system determines the braking distance of wheel 21 according to the operation data of vehicle support platform 10 and test car body 20.It is logical
The braking distance using testing stand measurement vehicle is crossed, avoids and directly draws vehicle in the enterprising driving of running track
The test of braking distance and the case where influence the normal operation of train.Vehicle braking can effectively be shortened using the testing stand
The test period of distance improves the computational accuracy and reliability of vehicle braking distance.Wherein, detection system is according to 21 turns of wheel
Dynamic circle number determines the braking distance.
Specifically, which is that a kind of railway freight-car vehicle braking distance is test bed, and highest can be to 120Km/h's
Railway freight-car implements the conventional brake of emergency braking and each velocity stage, tests the braking distance of vehicle, provides branch for Car design
Support.Testing stand can avoid vehicle and be tested on normal operation route, and the shortening test period, expense is low and will not send out because of vehicle
Raw accident impact railway transportation.
Testing stand includes testing stand mechanical part, observing and controlling part, industrial personal computer and printer, and it is following can to carry out 120Km/h
The service braking and emergency stopping distance of velocity stage are tried.Introduction on Principle: testing stand be equipped with longitudinal foundation beam i.e. basic platform 11,
One end platform, "A" end of car platform, rail wheel, traction lever apparatus, that is, traction device, the device of flying wheel composition, a railway goods
Vehicle can fall on testing stand rail wheel in and be fixed by draw bar.Since the bogie braking stopping of vehicle can
The retardation test situation of entire vehicle is represented, so this testing stand only increases inertia wheel apparatus in design at one end.Test
One end design of platform is equipped with inertia wheel apparatus, which is divided into disparate modules, inertia wheel apparatus and track according to vehicle load
Wheel is connected by Hooks coupling universal coupling with gear-box, that is, reduction gearbox, can move simulating vehicle with rail wheel when vehicle movement
The rotary inertia of operation.
Vehicle can be fixed with car body by end draw bar, be kept away by overhead traveling crane integral hoisting on testing stand rail wheel
Exempt from derailing when vehicle movement.According to the wheelbase of each vehicle, spacing, gauge, testing stand is able to carry out adjustment and meets test demand.
Testing stand, to side, is equipped with universal coupling, torque sensor, gear in two rail wheels of an end platform
The components such as case, flying wheel and wheel shaft.In order to adapt to the retardation test of various not coaxial heavy cargo vehicle, flying wheel is divided into two groups, and one
Group is axis weight 16t, 18t, 21t, 23t, 25t.Another group is axis weight 27t, 30t, 35t and 40t, by the inertia wheel disc of different quality
Be composed.Connection is combined with rail wheel again, to adapt to the retardation test of various not coaxial heavy cargo vehicle.When needing to carry out certain
Corresponding torus is connect with core wheel when one axis loaded vehicle is tested, remaining wheel group is placed on flying wheel unit platform device, no
Participation movement.(being specifically shown in Table 1)
1 flying wheel group inertia of table
Flying wheel wheel set combination scheme is as shown in table 2 below:
2 flying wheel group assembled scheme of table
| Axis weight t | Corresponding flying wheel configuration |
| 16 | Core wheel 1+ core wheel 2 |
| 18 | Core wheel 1+ core wheel 2+ torus 11 |
| 21 | Core wheel 1+ core wheel 2+ torus 11+ torus 12 |
| 23 | Core wheel 1+ core wheel 2+ torus 11+ torus 12+ torus 13 |
| 25 | Core wheel 1+ core wheel 2+ torus 11+ torus 12+ torus 13+ torus 14 |
| 27 | Wheel group 1+ core wheel 2+ torus 21 |
| 30 | Wheel group 1+ core wheel 2+ torus 21+ torus 22 |
| 35 | Wheel group 1+ core wheel 2+ torus 21+ torus 22+ torus 23 |
| 40 | Wheel group 1+ wheel group 2 |
To adapt to different automobile types, when test, needs to be adjusted track wheel axle distance, at this moment flying wheel platform rotation axis with
Rail wheel will appear not coaxial situation to rotation axis.The main function of Hooks coupling universal coupling is connection flying wheel platform rotation axis and rail
Road wheel can transmit torque in universal shaft both ends rotation axis out-of-alignment to rotation axis.Major parameter:
Wherein, it is 1.67 that reduction gearbox, which chooses reduction ratio, keeps inertia wheel speed identical as vehicle wheel rotational speed, using parallel axis helical teeth
Speed reducer, axis input are taken turns, an axis exports and uses circulation cooling lubrication.
Itself braking system of bicycle braking system, rolling stock is to carry out the executive device of retardation test, control system hair
Out after braking instruction, electromagnetism valve events air draft inside bicycle braking system, since bicycle braking system and motor vehicle braking system are logical
Cross hose connection, promote vehicle itself braking system depressurize, generate braking action, brake shoe recline wheel inhibit vehicle wheel rotation, vehicle
Wheel is finally stopped movement.
As shown in figure 4, the control system of retardation test, You Yitai industrial personal computer is completed, and when being tested, control system has
Individual motor speed-regulating function.System interface is friendly, easy to operate, securely and reliably.Can to single car testing device issue service braking,
The braking instruction of emergency braking and different vacuum amount has accumulative test number (TN), accumulative test period, stage in the display interface
Accumulative test number (TN) and stage add up the display of the important informations such as test period.With the automatic of corresponding information when breaking in test
Record may choose whether to continue test or be restarted when testing again.Test macro mainly includes multi-channel data acquisition plate
Card, pressure sensor, speed probe, temperature sensor (scene and analog input card binary channels are shown), data collection and analysis are soft
Part etc..
Braking distance testing experiment is carried out on brake tester with C70 type open-top car.Specifically:
As shown in Fig. 2, vehicle and the adjustment of testing stand mechanical part:
The components such as longitudinal support beam, an end platform, "A" end of car platform, rail wheel support platform, draw bar, adjustment motor
Main function is Adjustment Tests platform, supports vehicle on testing stand and fixed vehicle.I.e. as shown in Figure 1, testing stand further includes
Electromagnetic clutch 70, rotation sensor 80 and setting debugging motor 81 in orbit, track wheeling supporting frame 82 and longitudinal branch
Support wheel 83.
Testing stand is adjusted according to the vehicle parameter of C70 type open-top car, predominantly an end platform and "A" end of car platform
The mobile adjustment length between truck centers on longitudinal support beam.Two rail wheels on one end platform and "A" end of car platform to by adjusting
Motor driven adjusts wheelbase.After the completion of wheelbase, spacing adjustment, vehicle is lifted on testing stand by overhead traveling crane, adjusts draw bar
Length and the railway vehicle coupler vehicle that is connected to a fixed prevent play on testing stand.Adjustment and connection after the completion of, vehicle according to
C70 open-top car load-carrying carries out test simulation object loading, guarantees to load uniform.
Four driving motors, rail wheel, torque sensor 60, Hooks coupling universal coupling 40, flying wheel group main function be examination
Platform moving component is tested, vehicle and the movement of flying wheel group is driven to generate rotary inertia.It is spacious according to C70 after vehicle is fallen on testing stand
Core wheel 1+ core wheel 2+ torus 11+ torus 12+ torus 13, is mounted on testing stand, by shield by the axis weight 23t of vehicle referring to table 2
Installation fastening.Two 315KW alternating current generators are connect by transmission shaft with rail wheel as driving motor, motor.Driving motor root
Rolling stock is set to rise to the speed for needing to run, inertia while Hooks coupling universal coupling drives reduction gearbox according to the order of control system
Wheel group also generates and correspondingly rotates inertia.
Driving test bench control system makes two motor rotations to drive rail wheel and inertia wheel apparatus to rotate, and rises one
After constant speed degree, control system issues braking instruction, and bicycle braking system subtracts the application of C70 open-top car vehicle to motor stalls simultaneously
Compacting is dynamic, at this moment all the sensors start to acquire data.As vehicle brake cylinder generation acts, brake shoe reclines wheel, vehicle wheel
To rotation is tapered off, until stopping, data acquisition terminates, and test macro being capable of the collected number of each sensor of real-time display
According to calculating braking distance after the test as a result, can simultaneously print experimental report.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of testing stand for detecting vehicle braking distance characterized by comprising
Vehicle support platform (10), the vehicle support platform (10) is for placing test car body (20), the vehicle support platform (10)
Including basic platform (11) and rail wheel to (12), the rail wheel is rotatablely arranged at the basic platform (11) to (12)
On, the rail wheel drives the wheel (21) of test car body (20) to rotate to (12)；
Flying wheel group (30), the flying wheel group (30) are connected to (12) with the rail wheel, the flying wheel group (30) with
The rail wheel rotates synchronously (12)；
Control system, the control system is for controlling the vehicle support platform (10) and the test car body (20)；
Detection system, the detection system is for detecting the braking distance of the wheel (21)；
The vehicle support platform (10) further includes an end platform (13) and "A" end of car platform (14), an end platform (13)
It is oppositely arranged with the "A" end of car platform (14), at least one in an end platform (13) and the "A" end of car platform (14)
It is a to be movably disposed on the basic platform (11), it is each on an end platform (13) and the "A" end of car platform (14)
The rail wheel is provided with to (12).
2. testing stand according to claim 1, which is characterized in that the flying wheel group (30) includes:
Flying wheel supporting table (31), the flying wheel supporting table (31) are located at the side of the vehicle support platform (10)；
Flying wheel (32) is set on the flying wheel supporting table (31)；
Reduction gearbox (33) is set on the flying wheel supporting table (31), and the reduction gearbox (33) is set to the flying wheel
(32) and the rail wheel is between (12), the reduction gearbox (33) respectively with the flying wheel (32) and the rail wheel pair
(12) shaft is connected.
3. testing stand according to claim 2, which is characterized in that the flying wheel (32) is multiple, two neighboring institute
Flying wheel (32) is stated to be connected by shaft coupling.
4. testing stand according to claim 2, which is characterized in that the flying wheel group (30) is multiple groups, described in each group
The corresponding a pair of rail wheel of flying wheel group (30) is to (12).
5. testing stand according to claim 2, which is characterized in that the testing stand further include:
Hooks coupling universal coupling (40), the reduction gearbox (33) are connected to (12) with the rail wheel by the Hooks coupling universal coupling (40)
It connects.
6. testing stand according to claim 1, which is characterized in that the vehicle support platform (10) further includes rail wheel support
At least one described rail wheel branch is provided on platform group (15), an end platform (13) and the "A" end of car platform (14)
It supports platform group (15), the rail wheel supporting table group (15) is movably disposed in an end platform (13) and/or described two
On position end platform (14), the rail wheel is set on the rail wheel supporting table group (15) (12).
7. testing stand according to claim 6, which is characterized in that the rail wheel supporting table group (15) includes the first track
Take turns supporting table (151) and the second rail wheel supporting table (152), the first rail wheel supporting table (151) and second track
Wheel supporting table (152) is oppositely arranged, and the rail wheel includes the first rail wheel (121) and the second rail wheel (122), institute to (12)
The first rail wheel (121) is stated to be oppositely arranged with second rail wheel (122).
8. testing stand according to claim 7, which is characterized in that the first rail wheel supporting table (151) is movably
It is set on an end platform (13), first rail wheel (121) is set to the first rail wheel supporting table (151)
On, and/or, the second rail wheel supporting table (152) is movably disposed on the "A" end of car platform (14), and described second
Rail wheel (122) is set on the second rail wheel supporting table (152).
9. testing stand according to claim 1, which is characterized in that the testing stand further includes traction device (50), described
One end of traction device (50) is connected with the test car body (20), and the traction device (50) is for preventing the instruction carriage
Body (20) falls off from the vehicle support platform (10).
10. testing stand according to claim 1, which is characterized in that the testing stand further includes driving portion and torque sensing
Device, the driving portion drive the rail wheel to rotate (12), and the torque sensor is used to detect the output of the driving portion
Torque and braking torque.
11. testing stand according to claim 1, which is characterized in that the control system includes bicycle braking system, described
Bicycle braking system is connected with the braking system of test car body (20).
12. testing stand according to claim 1, which is characterized in that the detection system includes pressure sensor and revolving speed
Sensor, the pressure sensor are set on test car body (20) for detecting the pressure of the checking cylinder of test car body (20)
Force data, the speed probe are used to detect the revolving speed of the wheel (21).
13. a kind of vehicle braking determination of distance method, including the testing stand for detecting vehicle braking distance, the testing stand
Testing stand described in any one of claims 1 to 12, which is characterized in that the determining method the following steps are included:
The control system controls the rail wheel and rotates to (12), and the rail wheel drives the wheel (21) and institute to (12)
State flying wheel group (30) rotation；
When the speed of the wheel (21) reaches preset value, the control system to motor sending stop operating order simultaneously to
Subject motor vehicle braking system issues order and generates braking, and brake shoe reclines wheel generation friction until consuming flying wheel group (30)
Rotational energy, until the wheel (21) stop operating；
The detection system determines the vehicle according to the operation data of the vehicle support platform (10) and test car body (20)
Take turns the braking distance of (21).
14. determining method according to claim 13, which is characterized in that the detection system turns according to the wheel (21)
Dynamic circle number determines the braking distance.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107082065B (en) * | 2017-06-12 | 2023-09-08 | 石家庄铁道大学 | General test bed for comprehensive performance of railway vehicle braking system and test control method thereof |
| CN109959515A (en) * | 2017-12-25 | 2019-07-02 | 大连楼兰科技股份有限公司 | A kind of device of precise measurement braking distance |
| CN109712411B (en) * | 2018-11-21 | 2021-05-04 | 施阿丹 | Informatization self-induction speed control detection device and use method |
| CN109518548B (en) * | 2018-12-05 | 2023-09-05 | 中国铁建重工集团股份有限公司 | Rail protection device |
| CN110853474B (en) * | 2019-11-08 | 2020-11-06 | 北京交通大学 | Traction and braking system of train power ejection test platform |
| CN111006888B (en) * | 2019-11-26 | 2020-12-01 | 中国铁道科学研究院集团有限公司铁道科学技术研究发展中心 | Train air brake antiskid unit performance test method and test bench |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780209U (en) * | 2010-09-03 | 2011-03-30 | 成都成保发展股份有限公司 | Three-axle vehicle ABS (antilock braking system) detecting bench |
| CN102004039A (en) * | 2010-10-25 | 2011-04-06 | 江苏大学 | Test jack horse and test method of electric vehicle electromagnetic and frictional brake integrated system |
| CN202305185U (en) * | 2011-08-29 | 2012-07-04 | 北京新联铁科技发展有限公司 | Rail vehicle bogie dynamic load testing stand brake test device |
| CN102889997A (en) * | 2012-09-24 | 2013-01-23 | 中国人民解放军总后勤部军事交通运输研究所 | Uniaxial inertial-type single-roller detection and test platform for trailer inertia braking system |
| CN202836986U (en) * | 2012-09-24 | 2013-03-27 | 中国人民解放军总后勤部军事交通运输研究所 | Single-axis inertial-type dual-roller detection test platform of trailer inertial braking system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4126006B2 (en) * | 2003-10-15 | 2008-07-30 | 本田技研工業株式会社 | Braking force measurement method |
-
2016
- 2016-12-09 CN CN201611132700.1A patent/CN106644509B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780209U (en) * | 2010-09-03 | 2011-03-30 | 成都成保发展股份有限公司 | Three-axle vehicle ABS (antilock braking system) detecting bench |
| CN102004039A (en) * | 2010-10-25 | 2011-04-06 | 江苏大学 | Test jack horse and test method of electric vehicle electromagnetic and frictional brake integrated system |
| CN202305185U (en) * | 2011-08-29 | 2012-07-04 | 北京新联铁科技发展有限公司 | Rail vehicle bogie dynamic load testing stand brake test device |
| CN102889997A (en) * | 2012-09-24 | 2013-01-23 | 中国人民解放军总后勤部军事交通运输研究所 | Uniaxial inertial-type single-roller detection and test platform for trailer inertia braking system |
| CN202836986U (en) * | 2012-09-24 | 2013-03-27 | 中国人民解放军总后勤部军事交通运输研究所 | Single-axis inertial-type dual-roller detection test platform of trailer inertial braking system |
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