CN105510048B - Adhesion testing system and method - Google Patents
Adhesion testing system and method Download PDFInfo
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- CN105510048B CN105510048B CN201510976709.XA CN201510976709A CN105510048B CN 105510048 B CN105510048 B CN 105510048B CN 201510976709 A CN201510976709 A CN 201510976709A CN 105510048 B CN105510048 B CN 105510048B
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- driving wheel
- driven pulley
- rotating speed
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- control device
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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 present invention provides a kind of adhesion testing system and method, and wherein system includes：Driving wheel for simulated driving wheel, the driven pulley for simulating rail, drive device, speed measuring device and control device；Drive device is used to provide driving force for the rotation of driving wheel；Driving wheel is used to drive driven pulley to rotate under the driving of drive device；Speed measuring device is used to detect the rotating speed of driving wheel and the rotating speed of driven pulley, and the rotating speed of the rotating speed of driving wheel and driven pulley is sent into control device；Control device is used to determine whether slipping phenomenon according to the rotating speed of driving wheel and the rotating speed of driven pulley, and slipping signal is produced when it is determined that slipping phenomenon occur.Adhesion testing system and method provided by the invention, the actual motion state of train can be simulated, reached the standard grade debugging instead of locomotive, avoid reaching the standard grade debugging when because control it is improper caused by flat wheel or abrade the accident of rail and occur, debugging cost is effectively reduced, shortens debugging cycle.
Description
Technical field
The present invention relates to mechanical technique, more particularly to a kind of adhesion testing system and method.
Background technology
The maximum of vertical equity active force is known as adhesion strength between wheel track under tacky state, is hung down between adhesion strength and wheel track
The ratio between straight load is referred to as adhesion coefficient.Adhesion coefficient is the confficient of static friction on locomotive driving wheel and rail contact point, i.e., relatively fast
Coefficient of sliding friction when degree goes to zero.It is relevant with many factors, and main has：1. driving wheel stress；2. driving wheel tread
With the state of Rail Surface；3. driving wheel diameter and assembling；4. locomotive running speed；5. the sweep of circuit.
In the prior art, the control for adhesion is typically realized by traction control program, by motor speed, motor
The collection and analysis of the information such as torque, it may be determined that wheel is presently at normally travel state and is in slipping shape
State, traction control program can carry out corresponding processing operation according to wheel condition so that locomotive can currently be permitted with circuit
Perhaps maximum drawbar pull operation, so as to obtain the utilization of adhesion of maximum.
It is in place of the deficiencies in the prior art, the debud mode of traction control program is mainly reached the standard grade tune by locomotive
Examination, this mode wastes time and energy, and the phenomenon that wheel dallies on rail once occurs, under will making the hauling capacity of a locomotive drastically
Drop even disappears, and can also cause wheel or engine burn, cause larger loss.
The content of the invention
The present invention provides a kind of adhesion testing system and method, easily draws to solve the debugging of reaching the standard grade of locomotive in the prior art
Play the technical problem of greater loss.
The present invention provides a kind of adhesion testing system, including：Driving wheel for simulated driving wheel, for simulating rail
Driven pulley, drive device, speed measuring device and control device；
The drive device is used to provide driving force for the rotation of the driving wheel；
The driving wheel is used to drive the driven pulley to rotate under the driving of the drive device；
The speed measuring device is used to detect the rotating speed of the driving wheel and the rotating speed of the driven pulley, and by the driving wheel
Rotating speed and the rotating speed of the driven pulley be sent to control device；
The control device is used to determine whether sky according to the rotating speed of the driving wheel and the rotating speed of the driven pulley
Turn skidding, and slipping signal is produced when it is determined that slipping phenomenon occur.
Further, the system also includes：The idle pulley being in contact respectively with the driving wheel and the driven pulley；
The driving wheel drives the driven pulley to rotate by the idle pulley.
Further, the system also includes：Force application apparatus；
The force application apparatus is used to adjust the radial pressure that the driving wheel and the driven pulley are subject to, so as to simulate difference
Tacky state.
Further, the system also includes：For accommodating the frame of the driving wheel and driven pulley；
The frame includes top cover and base, and the top cover and the base are spirally connected fixation；
The driving wheel and the driven pulley are connected by bearing with the base respectively.
Further, the force application apparatus includes：Force lid and force application rod；
Through hole is offered on the top cover, internal thread is provided with the through hole, the force, which covers, is provided with external screw thread,
Realized and connected by the internal thread and external screw thread between the force lid and the top cover；
One end of the force application rod is stretched into the through hole, and is provided with spring between the force lid；
The other end of the force application rod acts on the idle pulley, to apply pressure to the idle pulley.
Further, the force application apparatus also includes：Force wheel；
The other end of the force application rod is connected with the force wheel by bearing；
The force wheel is in contact with the idle pulley.
Further, the force application apparatus includes：Hydraulic cylinder；
The piston end of the hydraulic cylinder is fixedly connected with the frame, and the hydraulic cylinder deviates from the cylinder body end of the piston end
It is connected by bearing with the idle pulley.
Further, the speed measuring device includes two measure speed gearses and two velocity sensors；
Wherein, a measure speed gearses are used to rotate under the drive of the driving wheel, and another measure speed gearses are used for described
Rotated under the drive of driven pulley；
Two velocity sensors are respectively used to detect the rotating speed of two measure speed gearses, so that described in control device determination
The rotating speed of driving wheel and the driven pulley.
Further, the speed measuring device includes：Two angular encoders；
Wherein, an angular encoder is set on the central shaft of the driving wheel, for detecting turning for the driving wheel
Speed；Another angular encoder is set on the central shaft of the driven pulley, for detecting the rotating speed of the driven pulley.
The present invention also provides a kind of adhesion testing method of the adhesion testing system based on described in any of the above-described, including：
Control device receives the rotating speed of driving wheel and the rotating speed of driven pulley that speed measuring device is sent；
The control device is according to the rotating speed of the driving wheel and the rotating speed of the driven pulley, by the rotating speed of the driving wheel
It is multiplied with the radius of the driving wheel, obtains the first product, the rotating speed of the driven pulley is multiplied with the radius of the driven pulley,
Obtain the second product；
The control device judges whether the difference between first product and second product is more than predetermined threshold value；
If the difference is more than predetermined threshold value, the control device produces slipping signal.
Adhesion testing system and method provided by the invention, driven pulley is driven under the driving of drive device by driving wheel
Rotating, speed measuring device detects the rotating speed of the driving wheel and the rotating speed of the driven pulley, and by the rotating speed of the driving wheel and institute
The rotating speed for stating driven pulley is sent to control device so that rotating speed and the driven pulley of the control device according to the driving wheel
Rotating speed determine whether slipping phenomenon, and slipping signal, energy are produced when it is determined that slipping phenomenon occur
Enough simulate the actual motion state of train, reached the standard grade debugging instead of locomotive, avoid reaching the standard grade debugging when because control it is improper caused by scratch
Wheel or the accident generation for abrading rail, effectively reduce debugging cost, shorten debugging cycle.
Brief description of the drawings
Fig. 1 is the structural representation for the adhesion testing system that the embodiment of the present invention one provides；
Fig. 2 is the axonometric drawing for the adhesion testing system that the embodiment of the present invention two provides；
Fig. 3 is the front view for the adhesion testing system that the embodiment of the present invention two provides；
Fig. 4 is the sectional view of line A-A in Fig. 3；
Fig. 5 is the sectional view of line B-B in Fig. 4；
Fig. 6 is the flow chart for the adhesion testing method that the embodiment of the present invention three provides.
Reference：
101- driving wheel 102- driven pulley 201- driving wheel 202- driven pulleys
203- idle pulley 204- top cover 205- base 206- bearings
207- axle sleeve 208- bearing (ball) covers 209- force lid 210- force application rods
211- springs 212- force wheel 213- measure speed gearses 214- velocity sensors
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one provides a kind of adhesion testing system.Fig. 1 is the adhesion control that the embodiment of the present invention one provides
The structural representation of system.As shown in figure 1, the adhesion testing system in the present embodiment, can include：For simulated driving wheel
Driving wheel 101, the driven pulley 102 for simulating rail, drive device, speed measuring device and control device (drive device, survey
Not shown in speed variator and control device figure)；
The drive device is used to provide driving force for the rotation of the driving wheel 101；
The driving wheel 101 is used to drive the driven pulley 102 to rotate under the driving of the drive device；
The speed measuring device is used to detect the rotating speed of the driving wheel 101 and the rotating speed of the driven pulley 102, and by described in
The rotating speed of the rotating speed of driving wheel 101 and the driven pulley 102 is sent to control device；
The control device is used to be determined whether according to the rotating speed of the driving wheel 101 and the rotating speed of the driven pulley 102
There is slipping phenomenon, and slipping signal is produced when it is determined that slipping phenomenon occur.
In the present embodiment, simulated driving wheel and rail, driving wheel can be distinguished using driving wheel 101 and driven pulley 102
101 are in contact with driven pulley 102, it is preferred that driving wheel 101 can be applied with certain pressure to driven pulley 102, when driving fills
When putting the drive rotation of driving wheel 101, due to frictional force between driving wheel 101 and driven pulley 102 be present, driving wheel 101 can drive
Driven pulley 102 rotates, and realizes the simulation to driving conditions.
Drive device can be motor or other devices for being capable of output torque, drive device and driving wheel 101
Between can pass through the parts such as shaft coupling realize connection.
The speed measuring device can include angular encoder or other sensors that can detect rotating speed.Preferably,
The speed measuring device can include two angular encoders, and one of angular encoder is set in the driving wheel 101
In mandrel, for detecting the rotating speed of the driving wheel 101, another angular encoder is set in the central shaft of the driven pulley 102
On, for detecting the rotating speed of the driven pulley 102.
The output end of two angular encoders electrically connects with the control device, the rotating speed detected can be sent into control
Device processed.
Control device can be according to the rotating speed of the driving wheel 101 and the rotating speed of the driven pulley 102, it is determined whether goes out
Existing slipping phenomenon.If specifically, the radius of the driving wheel 101 is equal with the radius of the driven pulley 102, normal shape
Under state, the driving wheel 101 is equal with the rotating speed of the driven pulley 102, and the control device judges the driving wheel 101 and institute
State driven pulley 102 rotating speed it is unequal when, it is possible to be determined to be slipping phenomenon.
If the radius of the radius of the driving wheel 101 and the driven pulley 102 is unequal, under normal condition, the master
The radius that the rotating speed of driving wheel 101 is multiplied by the driving wheel 101 should be multiplied by the driven pulley equal to the rotating speed of the driven pulley 102
102 radius, if the product of the rotating speed of the driving wheel 101 and radius and the rotating speed of the driven pulley 102 and the product of radius
It is unequal, then it can be determined to be the phenomenon of slipping.
When allowing certain error, control device may determine that the rotating speed of the driving wheel 101 and the product of radius with
Whether the rotating speed of the driven pulley 102 and the product of radius are more than predetermined threshold value, if being more than, then it is assumed that slipping occur
Phenomenon, if being not more than, then it is assumed that slipping phenomenon do not occur.The predetermined threshold value can be set according to being actually needed.
After the control device produces slipping signal, traction control program can according to the slipping signal come
Corresponding processing operation is carried out, such as reduce the tractive force of drive device output etc..The traction control program can be arranged on
In other devices, it can also be integrated in the control device, accordingly, slipping signal caused by the control device,
Can be electric signal, for example, low and high level signal or software signal, such as certain parameter is put 1 etc., the present embodiment is to this
It is not restricted.
Preferably, when the control device determines according to the rotating speed of the driving wheel 101 and the rotating speed of the driven pulley 102
When there is not slipping phenomenon, normal state signal can be produced so that the traction control program is according to described normal
Status signal carries out corresponding processing operation, such as tractive force of increase drive device output etc..
In actual applications, after staff designs traction control program, it is not necessary to reached the standard grade debugging by locomotive
Mode is debugged to the traction control program, it is only necessary to which the adhesion testing system provided using the present embodiment is debugged i.e.
Can.The adhesion testing system that the present embodiment provides, can simulate the actual motion state of train, and slipping phenomenon occurring
When produce slipping signal, facilitate processing procedure of personnel monitoring's traction control program when there is slipping phenomenon
Debugged accordingly with the presence or absence of problem, and to traction control program.
The adhesion testing system that the present embodiment provides, is provided with for the driving wheel 101 of simulated driving wheel and for simulating
The driven pulley 102 of rail, the driving wheel 101 can drive the driven pulley 102 to rotate under the driving of drive device, described
Speed measuring device can detect the rotating speed of the driving wheel 101 and the rotating speed of the driven pulley 102, and by the driving wheel 101
The rotating speed of rotating speed and the driven pulley 102 is sent to control device so that the control device turns according to the driving wheel 101
The rotating speed of fast and described driven pulley 102 determines whether slipping phenomenon, and is produced when it is determined that slipping phenomenon occur
Raw slipping signal, the actual motion state of train can be simulated, be reached the standard grade debugging instead of locomotive, avoid reaching the standard grade debugging when because controlling
Make it is improper caused by flat wheel or abrade the accident of rail and occur, effectively reduce debugging cost, shorten debugging cycle.
Embodiment two
The embodiment of the present invention two provides a kind of adhesion testing system.The present embodiment is the technical scheme provided in embodiment one
On the basis of, idle pulley is added to realize the transmission of power and speed between driving wheel and driven pulley.
Fig. 2 is the axonometric drawing for the adhesion testing system that the embodiment of the present invention two provides.Fig. 3 is that the embodiment of the present invention two provides
Adhesion testing system front view.Fig. 4 is the sectional view of line A-A in Fig. 3.Fig. 5 is the sectional view of line B-B in Fig. 4.Such as Fig. 2
Shown in Fig. 5, the adhesion testing system in the present embodiment, it can include：Driving wheel 201, driven pulley 202, idle pulley 203, driving
Device, speed measuring device and control device；
Wherein, the driving wheel 201, the driven pulley 202, the drive device, the speed measuring device, the control dress
The function of putting and the driving wheel 101 in embodiment one, driven pulley 102, drive device, speed measuring device, the function class of control device
Seemingly, here is omitted.
In the present embodiment, the idle pulley 203 is in contact respectively with the driving wheel 201, the driven pulley 202, the master
Driving wheel 201 can drive the driven pulley 202 to rotate by the idle pulley 203.
Specifically, the driving wheel 201 is in contact with the idle pulley 203, it is preferred that the driving wheel 201 can be to
The idle pulley 203 is applied with certain pressure, when the drive device drives the driving wheel 201 to rotate, due to the active
Frictional force be present between wheel 201 and the idle pulley 203, the driving wheel 201 can drive the idle pulley 203 to rotate；The idle pulley
203 are in contact with the driven pulley 202, it is preferred that the idle pulley 203 can be applied with a level pressure to the driven pulley 202
Power, when the driving wheel 201 drives the idle pulley 203 to rotate, due to being deposited between the idle pulley 203 and the driven pulley 202
In frictional force, the idle pulley 203 can also drive the driven pulley 202 to rotate, and realize the driving wheel 201 and the driven pulley
Speed transmission between 202.
Because the cost of idle pulley 203 is far below the cost of driving wheel 201 and driven pulley 202, in driving wheel 201 and driven pulley
Idle pulley 203 is set between 202, by the transmission speed of idle pulley 203, can solve the problem that the directly contact of driving wheel 201 and driven pulley 202 is led
Cause to lose the problem of larger during scratch, saved the maintenance cost of system.
In the present embodiment, the driving wheel 201, the idle pulley 203 and the driven pulley 202 are arranged in frame, institute
Closing sky can be provided for the speed transmission between the driving wheel 201, the idle pulley 203 and the driven pulley 202 by stating frame
Between and security protection.
Specifically, the frame can include top cover 204 and base 205, and the top cover 204 and the base 205 are direct
It is fixedly connected.In the present embodiment, the top cover 204 can be spirally connected fixation with the base 205, and not only cost is cheap, Er Qiebian
In dismounting.
The driving wheel 201, the driven pulley 202 and the idle pulley 203 can pass through bearing and the base 205 respectively
It is connected, the bearing can be floating bearing.As shown in figure 4, it can lead between the driving wheel 201 and the base 205
Cross bearing 206 and realize connection, axle sleeve 207 and bearing (ball) cover 208 are also provided with outside the bearing 206, in actual applications,
Mounting hole can be provided with the base 205, the bearing 206 is set on the central shaft of the driving wheel 201, the master
The central shaft of driving wheel 201 stretches out from the mounting hole, and is fixed with the mounting hole.
Between the inner ring of the bearing 206 and the central shaft of the driving wheel 201, the outer ring of the bearing 206 with it is described
It is to be fixedly connected between base 205, can be specifically achieved a fixed connection by various ways such as interference fit, spline, flat keys,
The present embodiment is not restricted to this.The connection of the driven pulley 202 and the base 205, with the driving wheel 201 with it is described
The connection of base 205 is similar, and here is omitted.The driving wheel 201 and the driven pulley 202 can be located at the idle pulley
203 obliquely downward, for supporting the idle pulley 203.
In order to test operation conditions of the traction control program under continually changing adhesion strength, the adhesion testing of the present embodiment
Force application apparatus is also provided with system.The force application apparatus be used for adjust the driving wheel 201 and the driven pulley 202 by
The radial pressure arrived, so as to simulate different tacky states.
Specifically, force application apparatus can exert a force to the idle pulley 203, so as to change the driving wheel 201 and the idle pulley
The pressure between pressure and the idle pulley 203 and the driven pulley 202 between 203.
In the present embodiment, the force application apparatus can include：Exert a force lid 209 and force application rod 210.Opened on the top cover 204
Provided with through hole, internal thread is provided with the through hole, external screw thread, the force lid 209 and institute are provided with the force lid 209
State and connection is realized by the internal thread and external screw thread between top cover 204；The through hole is stretched into one end of the force application rod 210
In, and it is provided with spring 211 between the force lid 209.
Due to being provided with spring 211 between the force lid 209 and the force application rod 210, when the force direction of lid 209
When the force application rod 210 is screwed into, the power that the force application rod 210 is subject to increases, and the other end of the force application rod 210 acts on institute
Idle pulley 203 is stated, pressure can be applied to the idle pulley 203, therefore, when the lid 209 that exerts a force is screwed into, what the idle pulley 203 was subject to
Pressure can also increase.
In order to realize the function that pressure is acted on to the idle pulley 203, the force application rod 210 can directly with the idle pulley
203 bearing is in contact；Or the force application apparatus can also include force wheel 212, the other end of the force application rod 210 with
The force wheel 212 is connected by bearing, and the force wheel 212 is in contact with the idle pulley 203,212 energy of the force wheel
It is enough to be rotated under the drive of the idle pulley 203, and the pressure transmission that the force application rod 210 is subject to is to the idle pulley 203.
As shown in Figure 3 and Figure 4, force application apparatus is arranged on the top of idle pulley 203, and driving wheel 201 and driven pulley 202 are arranged on
The lower section of the idle pulley 203, when the force lid 209 is screwed into, the pressure of the idle pulley 203 is increased, and then the idle pulley
Pressure increase between 203 and the driving wheel 201, the pressure between the idle pulley 203 and the driven pulley 202 also increase,
When the force lid 209 is back-outed, the pressure of the idle pulley 203 is reduced, and then the idle pulley 203 and the driving wheel 201
Between pressure reduce, the pressure between the idle pulley 203 and the driven pulley 202 also reduces, is so achieved that to difference
The simulation of tacky state, cost is relatively low, easily controllable.
In another embodiment, the force application apparatus can include hydraulic cylinder.The piston end of the hydraulic cylinder can be with institute
State frame to be fixedly connected, the hydraulic cylinder can be connected away from the cylinder body end of the piston end by bearing with the idle pulley 203
Connect, to apply certain pressure to the idle pulley 203, or, the cylinder body end can such as be exerted a force wheel by other force application mechanisms
Exerted a force Deng to the idle pulley 203.Larger pressure can be produced by hydraulic cylinder, and the regulation to pressure is more stable.
In another embodiment, the force application apparatus can include pneumatic cylinder.The specific implementation of the pneumatic cylinder with
Hydraulic cylinder is similar, and here is omitted.
In the present embodiment, the speed measuring device can include two measure speed gearses 213 and two velocity sensors 214.Its
In, measure speed gears 213 are used to rotate under the drive of the driving wheel 201, another measure speed gearses 213 be used for it is described from
Rotated under the drive of driving wheel 202；Two velocity sensors 214 are respectively used to detect the rotating speed of two measure speed gearses 213, so that institute
State the rotating speed that control device determines the driving wheel 201 and the driven pulley 202.
, can be by the rotating speed of the testing gears after the velocity sensor 214 detects the rotating speed of the testing gears
Be sent to the control device, the control device can be determined according to the speed of the testing gears driving wheel 201 or
The rotating speed of the driven pulley 202, and then determine whether slipping phenomenon.
In actual debugging process, staff can change idle pulley 203 and driving wheel by rotating force lid 209
201st, the pressure between driven pulley 202, so as to simulate different tacky states, facilitate staff to detect traction control program and exist
Processing procedure when tacky state changes whether there is problem, if problem be present, staff can be in time to traction control journey
Sequence is debugged accordingly.
In the adhesion testing system that the present embodiment provides, realized between driving wheel 201 and driven pulley 202 by idle pulley 203
Speed transmission, and the compress variation of spring 211 is adjusted by the operation for being threaded into and screwing out, and then simulate different glue
State, realizes the debugging when tacky state changes to traction control program, and it is cheap etc. excellent with energy-conserving and environment-protective, cost
Gesture.
On the basis of the technical scheme that above-described embodiment provides, it is preferred that the central shaft of driven pulley 202 can pass through
Flywheel is connected with generator, can reclaim most of electric energy, more energy-conserving and environment-protective.
Embodiment three
The embodiment of the present invention three provides a kind of adhesion testing method.The adhesion testing method that the present embodiment provides, based on upper
State the adhesion testing system described in any embodiment.Fig. 6 is the flow chart for the adhesion testing method that the embodiment of the present invention three provides.
As shown in fig. 6, the adhesion testing method in the present embodiment, can include：
Step 301, control device receive the rotating speed of driving wheel and the rotating speed of driven pulley that speed measuring device is sent.
Step 302, the control device are according to the rotating speed of the driving wheel and the rotating speed of the driven pulley, by the active
The rotating speed of wheel is multiplied with the radius of the driving wheel, obtains the first product, by the rotating speed of the driven pulley and the driven pulley
Radius is multiplied, and obtains the second product.
Step 303, the control device judge whether the difference between first product and second product is more than
Predetermined threshold value.
If step 304, the difference are more than predetermined threshold value, the control device produces slipping signal.
The specific implementation principle for the adhesion testing method that the present embodiment provides is similar with embodiment one, and here is omitted.
The adhesion testing method that the present embodiment provides, driven pulley is driven to turn under the driving of drive device by driving wheel
Dynamic, speed measuring device detects the rotating speed of the driving wheel and the rotating speed of the driven pulley, and by the rotating speed of the driving wheel and described
The rotating speed of driven pulley is sent to control device so that the control device is according to the rotating speed of the driving wheel and the driven pulley
Rotating speed determines whether slipping phenomenon, and slipping signal is produced when it is determined that slipping phenomenon occur, can
Simulate the actual motion state of train, reached the standard grade debugging instead of locomotive, avoid reaching the standard grade debugging when abrade car caused by control is improper
The accident of wheel or scratch rail occurs, and effectively reduces debugging cost, shortens debugging cycle.
Further, the control device can also according to the difference of first product and second product, it is determined that
The order of severity of idling slide, if for example, the difference is between 10%-20%, then it is assumed that the order of severity is one-level, if described
Difference is between 20%-30%, then it is assumed that and the order of severity is two level, the like, difference is bigger, and the order of severity is higher, described
Control device can produce corresponding order of severity signal it is determined that after the order of severity, facilitate staff to debug traction control
Processing of the program in the different orders of severity whether there is problem.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
- A kind of 1. adhesion testing system, it is characterised in that including：Driving wheel for simulated driving wheel, for simulating rail Driven pulley, drive device, speed measuring device and control device；The drive device is used to provide driving force for the rotation of the driving wheel；The driving wheel is used to drive the driven pulley to rotate under the driving of the drive device；The speed measuring device is used to detect the rotating speed of the driving wheel and the rotating speed of the driven pulley, and the driving wheel is turned The rotating speed of fast and described driven pulley is sent to control device；The control device is used to determine whether that idle running is beaten according to the rotating speed of the driving wheel and the rotating speed of the driven pulley Sliding phenomenon, and slipping signal is produced when it is determined that slipping phenomenon occur；Described system, in addition to：The idle pulley being in contact respectively with the driving wheel and the driven pulley；The driving wheel drives the driven pulley to rotate by the idle pulley.
- 2. system according to claim 1, it is characterised in that also include：Force application apparatus；The force application apparatus is used to adjust the radial pressure that the driving wheel and the driven pulley are subject to, so as to simulate different glue State.
- 3. system according to claim 2, it is characterised in that also include：For accommodating the driving wheel and driven pulley Frame；The frame includes top cover and base, and the top cover and the base are spirally connected fixation；The driving wheel and the driven pulley are connected by bearing with the base respectively.
- 4. system according to claim 3, it is characterised in that the force application apparatus includes：Force lid and force application rod；Through hole is offered on the top cover, internal thread is provided with the through hole, the force, which covers, is provided with external screw thread, described Realized and connected by the internal thread and external screw thread between force lid and the top cover；One end of the force application rod is stretched into the through hole, and is provided with spring between the force lid；The other end of the force application rod acts on the idle pulley, to apply pressure to the idle pulley.
- 5. system according to claim 4, it is characterised in that the force application apparatus also includes：Force wheel；The other end of the force application rod is connected with the force wheel by bearing；The force wheel is in contact with the idle pulley.
- 6. system according to claim 3, it is characterised in that the force application apparatus includes：Hydraulic cylinder；The piston end of the hydraulic cylinder is fixedly connected with the frame, and the hydraulic cylinder passes through away from the cylinder body end of the piston end Bearing is connected with the idle pulley.
- 7. according to the system described in claim any one of 1-6, it is characterised in that the speed measuring device includes two measure speed gearses With two velocity sensors；Wherein, a measure speed gearses are used to rotate under the drive of the driving wheel, and another measure speed gearses are used for described driven Rotated under the drive of wheel；Two velocity sensors are respectively used to detect the rotating speed of two measure speed gearses, so that the control device determines the active The rotating speed of wheel and the driven pulley.
- 8. according to the system described in claim any one of 1-6, it is characterised in that the speed measuring device includes：Two angles are compiled Code device；Wherein, an angular encoder is set on the central shaft of the driving wheel, for detecting the rotating speed of the driving wheel；Separately One angular encoder is set on the central shaft of the driven pulley, for detecting the rotating speed of the driven pulley.
- A kind of 9. adhesion testing method of the adhesion testing system based on described in claim any one of 1-6, it is characterised in that bag Include：Control device receives the rotating speed of driving wheel and the rotating speed of driven pulley that speed measuring device is sent；The control device is according to the rotating speed of the driving wheel and the rotating speed of the driven pulley, by the rotating speed of the driving wheel and institute The radius for stating driving wheel is multiplied, and obtains the first product, the rotating speed of the driven pulley is multiplied with the radius of the driven pulley, obtained Second product；The control device judges whether the difference between first product and second product is more than predetermined threshold value；If the difference is more than predetermined threshold value, the control device produces slipping signal.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976709.XA CN105510048B (en) | 2015-12-24 | 2015-12-24 | Adhesion testing system and method |
| ES15858117T ES2788125T3 (en) | 2015-12-24 | 2015-12-30 | Adhesion test system and method |
| PCT/CN2015/099819 WO2017107239A1 (en) | 2015-12-24 | 2015-12-30 | Adhesion test system and method |
| JP2016539269A JP6397919B2 (en) | 2015-12-24 | 2015-12-30 | Adhesion test system and method |
| EP15858117.3A EP3208595B1 (en) | 2015-12-24 | 2015-12-30 | Adhesion test system and method |
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| CN108070392A (en) * | 2016-11-14 | 2018-05-25 | 上海梅山钢铁股份有限公司 | Coke-oven locomotive track anti-skid device and anti-skidding method |
| CN106406124B (en) * | 2016-11-30 | 2019-08-27 | 株洲中车时代电气股份有限公司 | A kind of adhesion control program quick on-line testing method and test module automatically |
| CN113834674A (en) * | 2021-07-28 | 2021-12-24 | 武汉理工大学 | Device and method for measuring creep rate of wheel rail based on wheel diameter change |
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