CN106515777B - Guide wheel is oriented to control method - Google Patents
Guide wheel is oriented to control method Download PDFInfo
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- CN106515777B CN106515777B CN201610902124.8A CN201610902124A CN106515777B CN 106515777 B CN106515777 B CN 106515777B CN 201610902124 A CN201610902124 A CN 201610902124A CN 106515777 B CN106515777 B CN 106515777B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012795 verification Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 11
- 238000013024 troubleshooting Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims 1
- 101100258296 Drosophila melanogaster Su(var)3-9 gene Proteins 0.000 description 17
- 101150048279 KMS1 gene Proteins 0.000 description 17
- 101100328364 Schizosaccharomyces pombe (strain 972 / ATCC 24843) clr4 gene Proteins 0.000 description 17
- 238000001514 detection method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to a kind of guide wheels to be oriented to control method, its main feature is that, including pattern control as follows：The non-middle position control model of direction switch：When direction switch is beaten to non-middle position, release relay power, the driving mechanism that its normally opened contact is closed the electric pushrod of control guiding mechanism is run to a direction, electric pushrod is released, the normally-closed contact for wherein releasing relay is connect with withdrawing relay, when PLC controller receives the completely out signal of electric pushrod, control guide wheel operation；Position control model in direction switch：When direction switch is beaten to middle position, withdraw relay power, the driving mechanism that its normally opened contact is closed the electric pushrod of control guiding mechanism is run to another direction, electric pushrod is withdrawn, the normally-closed contact for wherein withdrawing relay is connect with releasing relay, when PLC controller receives the signal that electric pushrod is withdrawn completely, control guide wheel stops or commutation.The control method enhances the derailing performance of guide rail electric car, improves guide rail electric car overall security.
Description
Technical field
The present invention relates to guide rail car technical fields, and in particular to a kind of guide wheel is oriented to control method.
Background technology
At present, the rubber tire guide rail electric car that domestic and international Urban Rapid-Transport uses is usually provided with guide wheel and is carried out with guide rail cooperation
It is oriented to, and is provided with guiding mechanism between two guide wheels and is controlled, the guide wheel guide control device of existing guide rail electric car includes
Front-wheel seat, rear wheel seat and guiding mechanism are provided with front-wheel in front-wheel seat, trailing wheel, wherein guiding mechanism packet are provided in rear wheel seat
It includes hinged central platform and is symmetricly set on two groups of connecting rod slider components of hinged central platform both sides, in connecting rod slider component
Driving mechanism（Oil cylinder or linear motor etc.）Driving sliding block moves back and forth on the guide rail being connect with sliding block so that sliding block is resisted against
Two connecting rods of connecting rod slider component are realized and interval are formed between the locking of guiding mechanism or sliding block and connecting rod, realize Guiding machine
Structure is servo-actuated.The guide wheel guide control device drives sliding block to realize the locking of guiding mechanism or be servo-actuated with reality by pure mechanic structure
Existing guide wheel is oriented to, and real-time and reliability be not high, and when to driving mechanism maloperation, be easy to cause safety accident, is reduced
Vehicle security, leads to often to have derailment accident, and needs, to guiding mechanism long term maintenance, to increase workload.
Invention content
The present invention provides a kind of guide wheel and is oriented to control method, is used to solve that guiding mechanism cannot be real in existing guide rail electric car
When and reliably control guide wheel be oriented to the problem of, enhance guide rail electric car derailing performance, improve guide rail electric car overall security；
Reduce guiding mechanism maintenance workload.
In order to solve the above-mentioned technical problem, following technical solution proposed by the invention is solved：
A kind of guide wheel is oriented to control method, which is characterized in that including pattern control as follows：The non-middle position control mould of direction switch
Position control model in formula and direction switch；The non-middle position control model of direction switch：When direction switch is beaten to non-middle position, release after
Electric appliance is powered, and the driving mechanism that normally opened contact is closed the electric pushrod of control guiding mechanism is run to a direction, electronic to push away
Bar is released, wherein the normally-closed contact for releasing relay is connect with withdrawal relay, when PLC controller, to receive electric pushrod complete
During the signal of release, control guide wheel operation；Position control model in direction switch：When direction switch is beaten to middle position, relay is withdrawn
Device is powered, and the driving mechanism that normally opened contact is closed the electric pushrod of control guiding mechanism is run to another direction, electronic to push away
Bar is withdrawn, wherein the normally-closed contact for withdrawing relay is connect with release relay, when PLC controller, to receive electric pushrod complete
During the signal of withdrawal, control guide wheel stops or commutation.
The driving mechanism is 24V direct current generators.
Further, the safety in order to ensure the guiding mechanism of guide rail electric car when locking or being servo-actuated, it is complete in electric pushrod
The first travel switch is provided at the position released entirely, is used to detect the completely out signal of electric pushrod, and feed back to PLC
Microcomputer and traction unit in controller；The second travel switch is provided at the position withdrawn completely in electric pushrod, is used for
The signal that detection electric pushrod is withdrawn completely, and feed back to the microcomputer in PLC controller and traction unit.Ensure in guiding mechanism
It can be drawn after reliable lock, improve the reliability of guide wheel guiding, improve vehicle security.
Further, the guide wheel is oriented to control method and further includes direction switch continuous operation control model, direction switch
Operate continuously control model：When the continuous operation control of position-non-middle position-middle position in being carried out in direction switch, including walking as follows
Suddenly：PLC controller output electric pushrod releases signal, when PLC controller receives completely out signal, PLC controller
Stop output electric pushrod to release signal and export electric pushrod withdrawal signal, when PLC controller receives the letter withdrawn completely
Number when, control guide wheel stop or commutation.
In order to ensure the operational safety of guide rail electric car, in the case where guiding mechanism breaks down, PLC controller control is led
To perform emergency brake operations, the guide wheel is oriented to control method and further includes fault verification pattern and failure for rail electric car excision traction
Tupe, wherein fault verification pattern include fault verification pattern one and fault verification pattern two；Fault verification pattern one：When
When electric car speed is less than or equal to threshold velocity, include the following steps：The state of PLC controller detection direction switch, works as direction
When switch is beaten to non-middle position, PLC controller output electric pushrod releases signal, when PLC controller receives completely out letter
Number when, PLC controller stop output electric pushrod release signal and control guide wheel operation；In the journey time more than electric pushrod
When PLC controller do not receive completely out signal, direction switch is beaten to middle position, and PLC controller stops output electric pushrod
It releases signal and electric pushrod is exported in threshold time and withdraw signal, hereafter, direction switch is beaten to non-middle position, PLC controller
Again output electric pushrod releases signal, and PLC controller does not receive yet when more than the journey time of electric pushrod pushes away completely
The signal gone out, the signal of PLC controller output guide mechanism failure；When direction switch is beaten to middle position, PLC controller output electricity
Dynamic push rod withdraws signal, and when PLC controller receives the signal withdrawn completely, PLC controller stops output electric pushrod and receives
Letter in reply number and the stopping of control guide wheel or commutation；PLC controller does not receive complete receipts when more than the journey time of electric pushrod
The signal returned, the signal of PLC controller output guide mechanism failure；Fault verification pattern two：When electric car speed is more than threshold value speed
When spending, include the following steps：When more than the journey time of electric pushrod PLC controller do not receive the signal that withdraws completely or
Completely out signal, the signal of PLC controller output guide mechanism failure；Troubleshooting pattern：When PLC controller output is led
To mechanism-trouble signal when, by the presentation of information of guiding mechanism failure on the display screen being connected with PLC controller.The display
Shield for touch screen.
Further, in order to which driver's guiding mechanism is reminded to break down in time and takes brake measure, PLC controller
It is connected with warning device, troubleshooting pattern further includes following steps：In the signal of PLC controller output guide mechanism failure
Output alarm signal simultaneously, and the alarm signal is sent to warning device, control warning device sends out alarm sound.
Compared with prior art, the advantages of the present invention are：It is located at non-middle position in direction switch（Forward direction or after
To）When, release relay coil obtain it is electric, normally opened contact be closed control driving mechanism run in one direction so that it is electronic
Push rod is released, guiding mechanism locking, while the normally-closed contact for releasing relay disconnects so that the coil for withdrawing relay must not
Electricity, when direction switch is located at middle position, withdraw relay coil obtain it is electric, normally opened contact be closed control driving mechanism another
A direction operation so that electric pushrod is withdrawn, and guiding mechanism is servo-actuated, while the normally-closed contact for withdrawing relay disconnects so that is pushed away
The coil for going out relay must not be electric, realizes the interlock function released relay and withdraw relay, prevents maloperation power supply short circuit
Guiding mechanism is caused to be oriented to the harm of failure, improves the derailing performance that guide wheel is oriented to；When PLC controller receives electric pushrod
It is completely out in place or when being completely retracted into the signal of position, just guiding mechanism is operated, improves the real-time of guiding mechanism
Property and reliability promote the security performance of vehicle；Guiding mechanism is controlled using electric-control method, reliability is high, reduces to leading
To the workload of facility maintenance, cost input is reduced.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the present invention will be implemented below
Example or attached drawing needed to be used in the description of the prior art are made one and are briefly introduced, it should be apparent that, drawings discussed below is this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other accompanying drawings according to these attached drawings.
Fig. 1 is the circuit diagram that guide wheel of the present invention is oriented to the electric pushrod drive control of guiding mechanism in control method；
Fig. 2 is the flow chart that guide wheel of the present invention is oriented to fault verification pattern one in control method；
Fig. 3 is the continuous figure in flow chart in Fig. 2.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution 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, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Power running part and multiple non-powered running parts, power running part are installed under drivers' cab there are two guide rail electric car is common
Side, and non-powered running part is installed below the run-through channel of adjacent two box bodies, wherein there are one be oriented to for the installation of each running part
Mechanism, for guide wheel to be driven to be oriented to.In the present embodiment, the electric pushrod in guiding mechanism is driven by sliding block using electric-control method
The reciprocating type mobile on guide rail, so as to fulfill the locking of guiding mechanism or servo-actuated, electric pushrod is symmetricly set in the present embodiment
The both sides of hinged central platform, for the way traffic of guide rail electric car.Direction switch beat to it is preceding to when, be arranged on front-wheel seat and hinge
The electric pushrod connect between central platform is released, and guide rail electric car moves forwards when releasing in place；When direction switch is beaten to middle position, if
It puts the electric pushrod between front-wheel seat and hinged central platform and is arranged on electronic between rear wheel seat and hinged central platform
Push rod is withdrawn, and is withdrawn guide rail electric car when in place and is stopped or commutate；Direction switch beat to it is backward when, be arranged on rear wheel seat and hinged
Electric pushrod between central platform is released, and guide rail electric car moves forwards when releasing in place.Electric pushrod supports sliding block when releasing
Between two connecting rods for leaning against connecting rod slider component, lock guiding mechanism；When electric pushrod is withdrawn, sliding block and two connecting rods it
Between there are gaps, be servo-actuated guiding mechanism.
As shown in Figure 1, the present embodiment, which is related to a kind of guide wheel, is oriented to control method, including square pattern control as follows：It opens in direction
Position control model in position control model and direction switch in Guan Fei；The non-middle position control model of direction switch：When direction switch beat to
During non-middle position, release relay KMT1 and be powered, normally opened contact be closed the driving mechanism of the electric pushrod of control guiding mechanism to
One direction operation, electric pushrod are released, wherein the normally-closed contact for releasing relay KMT1 is connect with withdrawing relay KMS1, are protected
It demonstrate,proves when the coil for releasing relay KMT1 obtains electric, the coil of withdrawal relay KMS1 must not be electric, when PLC controller receives electricity
During the completely out signal of dynamic push rod, control guide wheel operation；Position control model in direction switch：When direction switch is beaten to middle position
When, withdraw relay KMS1 and be powered, normally opened contact be closed the driving mechanism of the electric pushrod of control guiding mechanism to another
Direction is run, and electric pushrod is withdrawn, wherein the normally-closed contact for withdrawing relay KMS1 is connect with releasing relay KMT1, is ensured
The coil of withdrawal relay KMS1 releases relay KMT1 coil when obtaining electric must not be electric, when PLC controller receives electronic push away
During the signal that bar is withdrawn completely, control guide wheel stops or commutation.In the present embodiment, the present embodiment driving mechanism can be 24V
Direct current generator M1,12V or 36V direct current generator, alternating current generator（220/380V）, stepper motor or servo motor etc..
Further, the safety in order to ensure the guiding mechanism of guide rail electric car when locking or being servo-actuated, it is ensured that pushed away electronic
Coil blackout, the withdrawal relay that bar is released in place or M1 enabled to stop rotating when withdrawing in place, releases relay KMT1
The coil blackout of KMS1 so that PLC controller is implemented to operate to guide wheel.In the present embodiment, in the completely out position of electric pushrod
The first travel switch ST1 of place's setting is put, for detecting the completely out signal of electric pushrod；In the position that electric pushrod is withdrawn completely
The second travel switch SS1 of place's setting is put, for detecting the signal that electric pushrod is withdrawn completely.
In the present embodiment, the guide wheel guiding control model of guiding mechanism is identical during forward or a backward, and difference lies in directions
The state of switch is different.For succinct, as follows only direction switch beat to it is preceding to when guide wheel guiding control model.Such as Fig. 1
It is shown, direction switch beat to it is preceding to when, release relay KMT1 and be powered, coil obtains electric so that normally opened contact is closed, and M1 is just
Turn, electric pushrod is released, while normally-closed contact disconnects, and withdrawing relay KMS1 must not be electric, and normally-closed contact is closed, and is realized and is being received
It returns relay KMS1 the coil of relay KMT1 must not be released during electricity and be kept as electricity, M1 is persistently rotated forward, until electric pushrod
When releasing in place, the first travel switch ST1 sends a signal to PLC controller, and PLC controller causes the first travel switch ST1 to break
It opens, releases the coil blackout of relay KMT1, normally opened contact disconnects, and M1 stops rotating forward, and realizes the locking of guiding mechanism, at this time
Microcomputer and traction unit in PLC controller receive the signal of electric pushrod release in place, proceed by traction；Direction switch
It when beating to middle position, withdraws relay KMS1 and is powered, coil obtains electric so that normally opened contact is closed, and M1 reversions, electric pushrod is received
It returns, while normally-closed contact disconnects, releasing relay KMT1 must not be electric, and normally-closed contact is closed, and realizes and is releasing relay KMT1
The coil that relay KMS1 must not be withdrawn during electricity is kept as electricity, and M1 is persistently inverted, when electric pushrod is withdrawn in place, the
Two travel switch SS1 send a signal to PLC controller, and PLC controller causes the second travel switch SS1 to disconnect, and withdraws relay
The coil blackout of KMS1, normally opened contact disconnect, M1 stop reverses, the servo-actuated of guiding mechanism are realized, at this time in PLC controller
Microcomputer and traction unit receive the signal of electric pushrod withdrawal in place so that guide wheel stops or commutation, it is of course also possible in electricity
M1 is inverted when dynamic push rod is released and M1 is rotated forward when electric pushrod is withdrawn.The release of electric pushrod or the rotating for being retracted through M1
It realizes, and controls the release relay KMT1 of M1 rotatings and withdraw relay KMS1 and interlocked, prevent maloperation power supply short
Road causes to be oriented to guiding mechanism the harm of failure, improves the reliability of guide wheel guiding, enhances derailing performance, improve
Vehicle security.Using the release for releasing the interlocking electric-control method control electric pushrods of relay KMT1 and withdrawal relay KMS1
Or withdraw, real-time is high and does not need to safeguard guiding mechanism for a long time, reduces maintenance cost.
Further, when driver may maloperation, such as direction switch carry out in position-non-middle position-middle position continuous operation
During control, PLC controller is ranked up according to the tandem that direction switch signal inputs, and non-middle bit manipulation, PLC is first carried out
Controller output electric pushrod releases signal, and when PLC controller receives completely out signal, PLC controller stops defeated
Go out electric pushrod to release signal and export electric pushrod withdrawal signal, when PLC controller receives what electric pushrod was withdrawn completely
During signal, control guide wheel stops or commutation, avoids when direction switch operates continuously, and guiding mechanism guiding unsuccessfully generates safe thing
Therefore.
When electric pushrod is released in place or withdrawn in place not according to above-mentioned control method, PLC controller can judge conductance
To mechanism whether failure, when a failure occurs, it is impossible to which guide rail electric car draw operations and need urgent to guide rail electric car
Braking avoids that safety accident occurs.
As shown in Fig. 2, in order to ensure the operational safety of guide rail electric car, in the case where guiding mechanism breaks down, PLC controls
Device control guide rail electric car excision traction processed is to perform emergency brake operations, and in the present embodiment, fault verification pattern includes failure
Determinating mode one and fault verification pattern two in the present embodiment when electric car speed is less than or equal to 3km/h, carry out fault verification
Pattern one；When more than 3km/h, fault verification pattern two is carried out.Fig. 2 and Fig. 3 shows that fault verification pattern for the moment sentence by failure
Determine step, the state of direction switch is detected after PLC controller initial power-on, when direction switch is beaten to forward or a backward
Failure determination step is identical, thus for succinctly only direction switch beat to it is preceding to when failure determination step.
In this example, it is assumed that the journey time of electric pushrod is 10 seconds, i.e., when electric pushrod is released up to pushing away completely
Time between when going out is 10S.When direction switch beat to it is preceding to when, timer T1 starts timing, to letter before PLC controller output
Number, i.e., electric pushrod releases signal, and when before PLC controller receives to signal in place, it is preceding to letter that PLC controller stops output
Number, while timer T1 is reset, and returns to detection direction on off state；In T1>To in place before PLC controller does not receive during 10S
Signal, then direction switch beat to middle position, timer T5 starts timing and counter C1 adds 1, when C1 be 1 when, PLC controller is stopped
It only exports forward signal and median signal is exported in T5=threshold time, wherein threshold time can be between 3 seconds to 10 seconds
（The present embodiment threshold time selected as 3S）, hereafter direction switch beat to non-middle position, PLC controller exports forward signal again,
It is more than 1 in C1（I.e. in T1>PLC controller does not receive completely out signal yet during 10S）When, PLC controller export orientation
The signal of mechanism-trouble, while timer T1, T5 and counter C1 are reset, and return to detection direction on off state；Work as direction switch
When beating to middle position, timer T2 starts timing, and PLC controller output median signal is believed in place when PLC controller receives middle position
Number when, PLC controller stop output median signal, while T2 reset, return detection direction on off state；In T2>PLC during 10S
Controller does not receive middle position signal in place, the signal of PLC controller output guide mechanism failure, while T2 and resets, and returns to inspection
Survey direction switch state.When electric car speed is more than 3km/h, if PLC controller when more than the journey time of electric pushrod
The signal withdrawn completely or completely out signal, the signal of PLC controller output guide mechanism failure are not received.
When PLC controller detects guiding mechanism failure, fault message should be understood in time, PLC controller is by Guiding machine
The presentation of information of structure failure is on the display screen being connected with PLC controller.The display screen can be arranged in drivers' cab or middle control
It is indoor.In order to which driver's guiding mechanism is reminded to break down in time and takes brake measure, PLC controller and warning device phase
Even, the output alarm signal while signal of PLC controller output guide mechanism failure, and alarm signal is sent to alarm
Device, so as to which PLC controller control warning device sends out alarm sound.The display screen can be touch screen, if driver is true
Determine electric pushrod to have released in place but still shown guiding mechanism fault message on touch screen, driver can bypass boundary in touch screen
Face operational guidance mechanism-trouble bypass, is checked after electric car limiting operation goes back to factory.
The guide wheel of the present invention is oriented to control method, is located at non-middle position in direction switch（Forward or a backward）When, release relay
The coil of device KMT1 obtains electric, normally opened contact closure control motor M1 rotating forwards so that and electric pushrod is released, guiding mechanism locking,
The normally-closed contact for releasing relay KMT1 simultaneously disconnects so that the coil for withdrawing relay KMS1 must not electricity；In direction switch position
When middle position, the coil for withdrawing relay KMS1 obtains electric, normally opened contact closure control M1 reversions so that and electric pushrod is withdrawn,
Guiding mechanism is servo-actuated, while the normally-closed contact for withdrawing relay KMS1 disconnects so that and the coil for releasing relay KMT1 must not be electric,
It releases relay KMT1 and forms interlocking with relay KMS1 is withdrawn, prevent maloperation power supply short circuit from causing to be oriented to mistake to guiding mechanism
The harm lost improves the derailing performance that guide wheel is oriented to；When PLC controller, to receive electric pushrod completely out in place or completely
When withdrawing signal in place, draw operations just are carried out to guiding mechanism, improve the reliability of guide wheel guiding, promote the peace of vehicle
Full performance；Guiding mechanism is controlled using electric-control method, real-time is good, and reduces the workload safeguarded to guiding mechanism, reduces
Cost input.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of guide wheel is oriented to control method, which is characterized in that including pattern control as follows：The non-middle position control model of direction switch
With position control model in direction switch；
The non-middle position control model of direction switch：When direction switch is beaten to non-middle position, relay power is released, normally opened contact closes
The driving mechanism for closing the electric pushrod of control guiding mechanism is run to a direction, and electric pushrod is released, wherein releasing relay
Normally-closed contact with withdraw relay connect, when PLC controller receives the completely out signal of electric pushrod, control guide wheel
Operation；
Position control model in direction switch：When direction switch is beaten to middle position, relay power is withdrawn, normally opened contact is closed control
The driving mechanism of the electric pushrod of guiding mechanism processed is run to another direction, and electric pushrod is withdrawn, wherein withdrawing relay
Normally-closed contact is connect with releasing relay, and when PLC controller receives the signal that electric pushrod is withdrawn completely, control guide wheel stops
Only or commutate.
2. guide wheel according to claim 1 is oriented to control method, which is characterized in that in the completely out position of electric pushrod
Place is provided with the first travel switch, is used to detect the completely out signal of electric pushrod, and feed back to micro- in PLC controller
Machine and traction unit；The second travel switch is provided at the position withdrawn completely in electric pushrod, is used to detect electric pushrod
The signal withdrawn completely, and feed back to the microcomputer in PLC controller and traction unit.
3. guide wheel according to claim 1 or 2 is oriented to control method, which is characterized in that the driving mechanism is 24V direct currents
Motor.
4. guide wheel according to claim 1 or 2 is oriented to control method, which is characterized in that further includes direction switch and continuously grasps
Make control model,
Direction switch operates continuously control model：When the continuous operation of position-non-middle position-middle position in direction switch progress, including
Following steps：First, PLC controller output electric pushrod releases signal, when PLC controller receives completely out signal
When, PLC controller stops output electric pushrod and releases signal and output electric pushrod withdrawal signal, when PLC controller receives
During the signal withdrawn completely, control guide wheel stops or commutation.
5. guide wheel according to claim 1 or 2 is oriented to control method, which is characterized in that further include fault verification pattern and
Troubleshooting pattern, wherein fault verification pattern include fault verification pattern one and fault verification pattern two；
Fault verification pattern one：When electric car speed is less than or equal to threshold velocity, include the following steps：PLC controller detects
The state of direction switch, when direction switch is beaten to non-middle position, start from scratch first time timing while PLC controller output electricity
Dynamic push rod releases signal, and when PLC controller receives completely out signal, PLC controller stops output electric pushrod and pushes away
Go out signal and control guide wheel operation；It is completely out used from starting to be pushed out to be more than electric pushrod in the time of first time timing
PLC controller does not receive completely out signal during the time, and direction switch is beaten to middle position, and it is electronic that PLC controller stops output
Push rod, which releases signal and electric pushrod is exported in threshold time, withdraws signal, and hereafter, direction switch is beaten to non-middle position, is opened from zero
Begin second of timing while PLC controller export again electric pushrod release signal, second of timing time be more than electricity
Dynamic push rod does not receive completely out signal, PLC controls yet from PLC controller when starting to be pushed out to the completely out time used
The signal of device output guide mechanism failure processed；When direction switch is beaten to middle position, start from scratch third time timing while PLC control
Device output electric pushrod processed withdraws signal, and when PLC controller receives the signal withdrawn completely, PLC controller stops output
Electric pushrod withdraws signal and control guide wheel stops or commutation；It is more than electric pushrod from completely out in the time of third time timing
Do not receive the signal withdrawn completely, the event of PLC controller output guide mechanism to PLC controller during the complete withdrawal time used
The signal of barrier；
Fault verification pattern two：When electric car speed is more than threshold velocity, include the following steps：It is big in the time of first time timing
In electric pushrod from PLC controller when starting to be pushed out to the completely out time used do not receive completely out signal or
PLC controller does not receive when the time of third time timing is more than the time used in electric pushrod from completely out to complete withdraw
The signal withdrawn completely, the signal of PLC controller output guide mechanism failure；
Troubleshooting pattern：When the signal of PLC controller output guide mechanism failure, by the presentation of information of guiding mechanism failure
On the display screen being connected with PLC controller.
6. guide wheel according to claim 5 is oriented to control method, which is characterized in that PLC controller is connected with warning device,
Troubleshooting pattern further includes following steps：Alarm signal is exported while the signal of PLC controller output guide mechanism failure
Number, and the alarm signal is sent to warning device, control warning device sends out alarm sound.
7. guide wheel according to claim 5 is oriented to control method, which is characterized in that the display screen is touch screen.
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| CN201610902124.8A CN106515777B (en) | 2016-10-17 | 2016-10-17 | Guide wheel is oriented to control method |
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| CN106515777B true CN106515777B (en) | 2018-07-10 |
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| CN112124350A (en) * | 2020-09-28 | 2020-12-25 | 湖南机电职业技术学院 | Stabilizing wheel guiding device for rail operation vehicle and control method thereof |
| CN113687633B (en) * | 2021-06-29 | 2024-06-18 | 云南昆钢电子信息科技有限公司 | Reinforcing steel bar quality management system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB989723A (en) * | 1960-11-15 | 1965-04-22 | Westinghouse Brake & Signal | Railway signalling systems |
| DE2411686C3 (en) * | 1974-03-12 | 1978-09-14 | Demag Ag, 4100 Duisburg | Wheel-rail arrangement for rail vehicles with support wheels without flange |
| CA2112305A1 (en) * | 1992-12-29 | 1994-06-30 | Reinhart Rudershausen | Safety device for a railroad switch |
| CN2749749Y (en) * | 2004-05-13 | 2006-01-04 | 商春成 | Steering device without hand wheel |
| CN104217903B (en) * | 2014-09-11 | 2016-10-05 | 海拉（厦门）汽车电子有限公司 | A kind of big electric current closed type magnetic latching relay pusher structure |
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2016
- 2016-10-17 CN CN201610902124.8A patent/CN106515777B/en active Active
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Effective date of registration: 20210716 Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: Qingdao CRRC Sifang Rail Vehicle Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CRRC SIFANG Co.,Ltd. |