CN106873639A - A kind of steel rail grinding deflection angle control method - Google Patents
A kind of steel rail grinding deflection angle control method Download PDFInfo
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- CN106873639A CN106873639A CN201710095282.1A CN201710095282A CN106873639A CN 106873639 A CN106873639 A CN 106873639A CN 201710095282 A CN201710095282 A CN 201710095282A CN 106873639 A CN106873639 A CN 106873639A
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- Prior art keywords
- deflection
- motor
- angle
- polishing
- oil cylinder
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/128—Control of position or direction using feedback using clutch or brake
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
Abstract
The invention discloses a kind of steel rail grinding deflection angle control method, steel rail grinding vane deflection angle control system includes deflection motor, pushes guide pillar, polishing motor, deflection cradle, telescopic oil cylinder, reel cage and control unit.Control unit obtains the feedback angle of current polishing motor and by the error angle between the default angle on target of host computer in real time, and the deflection motor action is constantly adjusted according to error angle, polishing motor is deflected to default angle on target, polishing motor is carried out polishing operation according to default angle on target.The present invention can solve the problem that existing rail polishing deflection angle control mode grinding angle in bruting process is susceptible to change, cause that light belt is uneven, the wide non-type technical problem of polishing rail.
Description
Technical field
The present invention relates to rail engineering machinery technical field, beaten more particularly, to a kind of rail for being applied to rail grinding machine
Mill deflection angle control method.
Background technology
The nineties in last century, railway interests introduced the rail grinding train of several types from foreign countries, its core control system
All imports.Current steel rail grinding is one of universally acknowledged rail maintenance important means, but uses inlet control system
Cost is very high, control algolithm closing, and accessory is expensive and safeguards low-response.Currently, in order to reduce rail grinding machine buying and
Working service cost, state-owned railroads department advocates the production domesticization for realizing rail grinding machine.
In the prior art, the angular deflection control method for rail grinding machine mainly have deflection motor electric-control method and
Deflection oil cylinder stroke hydraulic control method.Using deflection oil cylinder stroke hydraulic control method due to stuck without machine automatization in place
Cause bruting process angle to be susceptible to change, cause light belt uneven, polishing rail exterior feature is nonstandard to wait series of problems.And use inclined
Although rotating motor electric-control method can be precisely controlled to predetermined angle, and can keep in place, more meet actual railway
Steel rail grinding demand, but the factor of the actual polishing effect of influence is a lot, including the accuracy that deflection angle is controlled, directly result in and adopt
The effect polished rail with existing deflection motor electric-control method is unsatisfactory.
The content of the invention
In view of this, it is existing to solve it is an object of the invention to provide a kind of steel rail grinding deflection angle control method
Rail polishing deflection angle control mode grinding angle in bruting process be susceptible to change, cause light belt it is uneven, polishing rail
Wide non-type technical problem.
In order to realize foregoing invention purpose, the present invention specifically provides a kind of skill of steel rail grinding deflection angle control method
Art implementation, a kind of steel rail grinding deflection angle control method, steel rail grinding vane deflection angle control system include deflection motor,
Push guide pillar, polishing motor, deflection cradle, telescopic oil cylinder, reel cage and control unit.Polishing motor and the deflection cradle
Fixed, the bottom for pushing guide pillar is fixed with the deflection cradle, one end of the telescopic oil cylinder and the deflection motor phase
Even, the other end of the telescopic oil cylinder is connected with the deflection cradle, and the deflection motor is fixedly connected on the reel cage.Institute
State deflection cradle to be movably connected with the reel cage, when the telescopic oil cylinder carries out stretching motion, shaken by the deflection
Basket drives the polishing motor with the tie point of the deflection cradle and reel cage as axle carries out yaw motion.The control method bag
Include following steps：
Described control unit obtains the feedback angle of current polishing motor and passes through the default angle on target of host computer in real time
Between error angle, and deflection motor action is constantly adjusted according to error angle, deflect to the polishing motor pre-
If angle on target, finally make it is described polishing motor carry out polishing operation according to default angle on target.
Preferably, the telescopic oil cylinder and the reel cage are connected to D points, the reel cage is connected with the deflection cradle
In E points, the telescopic oil cylinder is connected to F points with the deflection cradle.When the telescopic oil cylinder carries out stretching motion, D points
Position with E points immobilizes, and the position of F points changes with the flexible of the deflection motor.
Preferably, the line segment C between the D points and E points, and line segment B length between E points and F points is fixed not
Become, the length of the line segment A between the D points and F points changes with the flexible of the deflection motor.
Preferably, the control system also includes stroke sensor, and the flexible oil is measured by the stroke sensor
The stroke of cylinder, so that the length of line segment A between the D points and F points is obtained, further according to the line segment A, line segment B and line segment C length
The angle β between the line segment B and the line segment C is calculated, so as to the feedback angle of motor of currently being polished.
Preferably, when the telescopic oil cylinder stretches out, the polishing motor is deflected outward by, when telescopic oil cylinder indentation
When, the polishing motor is deflected inward.When needing the deflection motor to be deflected outward by, the extrinsic deflection terminal of the deflection motor
Obtained simultaneously with brake release terminal electric.When needing the deflection motor to deflect inward, the intrinsic deflection terminal of the deflection motor
Obtained simultaneously with brake release terminal electric.When needing the deflection motor to brake, the extrinsic deflection terminal of the deflection motor, it is interior partially
Turn terminal and brake release terminal dead electricity.
Preferably, the wide-angle deflection for realizing that the reel cage realizes the polishing motor is driven by oil cylinder, by described
Telescopic oil cylinder realizes the small angle deflection of the polishing motor.When by the default angle on target of the host computer in the polishing
In the range of motor can be deflected, then the deflection of the polishing motor is realized by the telescopic oil cylinder.When by described upper
The default angle on target of machine then realizes the polishing motor more than the scope that the polishing motor can be deflected by the reel cage
Wide-angle deflection.
Preferably, the control method is further comprising the steps of：
A) described control unit judges whether the polishing motor enables, if whether the polishing motor enables, if
It is invalid that the polishing motor is enabled, then the deflection motor stops deflection；
B) if the polishing motor is enabled, whether described control unit judges the default angle on target of the host computer
Beyond the extreme angles of the polishing motor deflection, described shaking is acted if the extreme angles beyond the polishing motor deflection
Frame calculates the deflection angle of the polishing motor simultaneously, if without departing from extreme angles, angle on target is converted into described stretching
The target stroke position of contracting oil cylinder；
C) whether described control unit judges the target voltage of output to the deflection motor beyond the deflection motor
Limit deflection voltage, the polishing motor stops deflection if deflection voltage is gone beyond the limit of, if without departing from limit deflection electricity
Pressure then controls the deflection motor to act；
D) if target voltage controls institute less than the feedback voltage of the deflection motor and the difference of the error voltage for allowing
State deflection motor to deflect inward, if the difference of target voltage and the error voltage for allowing is more than the feedback electricity of the deflection motor
Pressure, then control the polishing motor to be deflected outward by, and otherwise controls the deflection motor to stop deflection.
Preferably, the feedback angle of current polishing motor is not with the absolute value by the default angle on target error of host computer
More than 0.5 °.
By implementing the technical scheme of the steel rail grinding deflection angle control method that the invention described above is provided, with having as follows
Beneficial effect：
(1) present invention solves existing rail polishing deflection angle control mode grinding angle in bruting process and is susceptible to
Change, causes that light belt is uneven, the wide non-type technical problem of polishing rail；
(2) present invention realizes the reliable and stable control of rail grinding machine grinding angle deflection, so as to realize each to rail
The accurate polishing of individual different rail levels.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described.It should be evident that drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other embodiments are obtained according to these accompanying drawings.
Fig. 1 is the structure principle chart of the steel rail grinding vane deflection angle control system that control method of the present invention is based on；
Fig. 2 is a kind of control principle block diagram of specific embodiment of steel rail grinding deflection angle control method of the present invention；
Fig. 3 is a kind of program circuit schematic diagram of specific embodiment of steel rail grinding deflection angle control method of the present invention；
Fig. 4 is deflection motor in a kind of specific embodiment of steel rail grinding vane deflection angle control system that the present invention is based on
Connecting structure for electrical equipment figure；
In figure：1- deflection motors, 2- pushes guide pillar, 3- polishing motors, 4- deflection cradles, 5- telescopic oil cylinders, 6- reel cages, 7-
Angle control unit, 8- host computers, the magnetic valves of 9- first, the magnetic valves of 10- second, the magnetic valves of 11- the 3rd.
Specific 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, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only
Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
All other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
As shown in accompanying drawing 1 to accompanying drawing 4, the specific embodiment of steel rail grinding deflection angle control method of the present invention is given,
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the steel rail grinding vane deflection angle control system that a kind of control method of the present invention is based on it is specific
Embodiment, including：Deflection motor 1, push guide pillar 2, polishing motor 3, deflection cradle 4, telescopic oil cylinder 5 and reel cage 6.Polishing motor
3 fix with deflection cradle 4, and the bottom and deflection cradle 4 for pushing guide pillar 2 are fixed, and push guide pillar 2 for by deflecting the band of cradle 4
Dynamic polishing motor 3 performs depression.One end of telescopic oil cylinder 5 is connected with deflection motor 1, the other end of telescopic oil cylinder 5 with it is inclined
Turn cradle 4 to be connected, deflection motor 1 is fixed on reel cage 6.Deflection cradle 4 is movably connected with reel cage 6, when telescopic oil cylinder 5 enters
During row stretching motion, polishing motor 3 is driven to deflect cradle 4 with the tie point of reel cage 6 as axle enters horizontal deflection by deflecting cradle 4
Motion.Used as a kind of typical specific embodiment, the bottom for deflecting cradle 4 is movably connected with the bottom of reel cage 6.
As shown in Figure 1, telescopic oil cylinder 5 is connected to D points with reel cage 6, and reel cage 6 is connected to E points, stretches with deflection cradle 4
Oil cylinder 5 is connected to F points with deflection cradle 4.When telescopic oil cylinder 5 carries out stretching motion, the position of D points and E points immobilizes, F
The position of point changes with the flexible of deflection motor 1.D points, E points and F points are three summits of triangle, between D points and E points
Line segment B length between line segment C, and E points and F points immobilizes, and the length of the line segment A between D points and F points is with deflection motor
1 flexible and change.When telescopic oil cylinder 5 stretches out, polishing motor 3 outwards (direction as shown in G in accompanying drawing 1) deflection, when flexible
When oil cylinder 5 is retracted, inwardly (direction as shown in H in the accompanying drawing 1) deflection of polishing motor 3.Control system also includes stroke sensor, OK
Journey sensor is connected with telescopic oil cylinder 5, and the stroke of telescopic oil cylinder 5 is measured by stroke sensor, thus obtain D points and F points it
Between line segment A (A sides) length, further according to line segment A, line segment B and line segment C length by the cosine law calculate line segment B and line segment C it
Between angle β, so as to the feedback angle of motor 3 of currently being polished, then by obtaining the feedback angle in real time with default mesh
Scale value, constantly adjusts deflection motor 1 and acts, then polishing motor 3 can be made to deflect into default angle on target, finally makes polishing motor
3 carry out polishing operation according to this angle on target.Wherein, polishing motor 3 deflection angle represented with α, represent line segment B (B sides) with
The angle of neutrality line (in figure shown in dotted line), when β represents polishing motor 3 in middle position between line segment C (C is existed) and line segment B (during B)
Angle, β be a fixed value.
As shown in Figure 2, control system still further comprises control unit 7, and control unit 7 obtains current polishing electricity in real time
The feedback angle of machine 3 and by the error angle between the default angle on target of host computer 8, and constantly adjusted according to error angle
Deflection motor 1 is acted, and polishing motor 3 is deflected to default angle on target, finally makes polishing motor 3 according to default target angle
Degree carries out polishing operation.The target of steel rail grinding deflection angle control is by constantly adjustment deflection motor 1 and deflection cradle 4
Interior extrinsic deflection come cause polishing motor 1 deflect into presetting angle on target, by the flexible oil of deflection motor 1 during feedback angle
The stroke of cylinder 5 is determined.Goal-selling angle is input into control unit 7 in real time with the angular error of current feedback angle, and control is single
Unit 7 calculates the instruction of correspondence deflection cradle 4 and deflection motor 1, or intrinsic deflection or extrinsic deflection or holding middle position, then by driving
Corresponding magnetic valve obtains electric, finally causes that deflection motor 1 reaches certain position, until feedback angle is equal with angle on target,
Closed-loop control is realized on algorithm, so as to reach the purpose of accurate deflection angle control.
As shown in Figure 4, control system also includes the first magnetic valve 9 being connected with the extrinsic deflection terminal of deflection motor 1, with
The second connected magnetic valve 10 of the intrinsic deflection terminal of deflection motor 1, and the be connected with the brake release terminal of deflection motor 1
Three magnetic valves 11, the first magnetic valve 9, the second magnetic valve 10 and the 3rd magnetic valve 11 are also connected with supply terminals.It is inclined when needing
When rotating motor 1 is deflected outward by, the first magnetic valve 9, the 3rd magnetic valve 11 obtain electric simultaneously.When needing deflection motor 1 to deflect inward,
Second magnetic valve 10, the 3rd magnetic valve 11 obtain electric simultaneously.When needing deflection motor 1 to brake, the first magnetic valve 9, the second electromagnetism
Valve 10, the dead electricity of the 3rd magnetic valve 11.
Reel cage 6 is also connected with oil cylinder, and the wide-angle deflection (big angle for realizing that reel cage 6 realizes polishing motor 3 is driven by oil cylinder
May be such that deflection angle coverage becomes wider by acting reel cage 6 when spending), polishing motor 3 is realized by telescopic oil cylinder 5
Small angle deflection.When by the default angle on target of host computer 8 in the range of polishing motor 3 can be deflected, then by flexible
Oil cylinder 5 realizes the deflection of polishing motor 3.When by the default angle on target of host computer 8 more than the polishing model that can deflect of motor 3
Enclose, then the wide-angle deflection of polishing motor 3 is realized by reel cage 6.
Control unit 7 judges whether polishing motor 3 enables, if whether polishing motor 3 enables, if polishing motor 3 makes
Can be invalid, then deflection motor 1 stops deflection.If polishing motor 3 is enabled, control unit 7 judges the default target of host computer 8
Whether angle exceeds the extreme angles of the polishing deflection of motor 3, and reel cage is acted if the extreme angles beyond the polishing deflection of motor 3
6 deflection angles for calculating polishing motor 3 simultaneously, if without departing from extreme angles, angle on target is converted into telescopic oil cylinder 5
Target stroke position.Control unit 7 judges whether output is inclined beyond the limit of deflection motor 1 to the target voltage of deflection motor 1
Turn voltage, motor 3 of being polished if deflection voltage is gone beyond the limit of stops deflection, controlled if without departing from limit deflection voltage partially
Rotating motor 1 is acted.If target voltage is less than the feedback voltage of deflection motor 1 and the difference of the error voltage for allowing, control is inclined
Rotating motor 1 is deflected inward, if the difference of target voltage and the error voltage for allowing is controlled more than the feedback voltage of deflection motor 1
System polishing motor 3 is deflected outward by, and otherwise controls deflection motor 1 to stop deflection.As a kind of preferably specific embodiment of the invention,
The feedback angle of current polishing motor 3 be not more than 0.5 ° by the absolute value of the default angle on target error of host computer 8.
As shown in Figure 2, a kind of specific embodiment of steel rail grinding deflection angle control method, comprises the following steps：
Control unit 7 obtain in real time the feedback angle of current polishing motor 3 with by the default angle on target of host computer 8 it
Between error angle, and deflection motor 1 constantly adjusted according to error angle act, polishing motor 3 is deflected to default target
Angle, finally makes polishing motor 3 carry out polishing operation according to default angle on target.Steel rail grinding deflection angle control of the present invention
Error between deflection angle and default angle on target that method passes through real time contrast's current feedback, constantly adjustment output is real
Now the effective reliability to predeterminated target angle is precisely controlled, so as to realize that polishing motor 3 is more to rail inner side, rail top, outside etc.
The polishing maintenance function on individual surface.
Steel rail grinding vane deflection angle control system is further driven by oil cylinder realizes that reel cage 6 realizes the big of polishing motor 3
Angular deflection, the small angle deflection of polishing motor 3 is realized by telescopic oil cylinder 5.Exist when by the default angle on target of host computer 8
Polishing motor 3 then realizes the deflection of polishing motor 3 in the range of can deflecting by telescopic oil cylinder 5.When pre- by host computer 8
If angle on target more than the polishing scope that can deflect of motor 3, then the wide-angle deflection of polishing motor 3 is realized by reel cage 6.
In above-mentioned control method flow, first determine whether whether polishing motor 3 enables, motor 3 of only polishing is enabled, and is deflected
The action of motor 1 is just meaningful.On the premise of polishing motor 3 is enabled, judge whether angle on target can deflect in polishing motor 3
In the range of, deflection motor 1 only need to be acted in then explanation, otherwise need action reel cage 6.Deflection is controlled according to more than
The analysis of principle processed understood, the travel position to the telescopic oil cylinder 5 of deflection motor 1 can be eventually converted into the control of deflection angle
Control.By constantly contrasting the target stroke and feedback stroke of telescopic oil cylinder 5 in deflection, when feedback angle and target angle
The difference of degree is stopped in allowed band when (used as a kind of preferably specific embodiment of the invention, error angle is controlled in 0.5 °)
Only deflection motor 1 is represented and controls angle to reach desired value, otherwise needs to be determined according to the difference of feedback angle and angle on target
Direction of action.Real-time Feedback is carried out to the current state of deflection motor 1 in control flow so that operator can clearly understand partially
The current state of rotating motor 1.
As shown in Figure 3, steel rail grinding deflection angle control method specifically includes following steps：
A) control unit 7 judges whether polishing motor 3 enables, if whether polishing motor 3 enables, if polishing motor 3
It is invalid to enable, then deflection motor 1 stops deflection；
B) if polishing motor 3 is enabled, whether control unit 7 judges the default angle on target of host computer 8 beyond polishing
The extreme angles of the deflection of motor 3, reel cage 6 are acted if the extreme angles beyond the polishing deflection of motor 3 and calculate polishing electricity simultaneously
The deflection angle of machine 3, if without departing from extreme angles, angle on target to be converted to the target stroke position of telescopic oil cylinder 5；
C) control unit 7 judges whether output is electric beyond the limit deflection of deflection motor 1 to the target voltage of deflection motor 1
Pressure, motor 3 of being polished if deflection voltage is gone beyond the limit of stops deflection, and deflection electricity is controlled if without departing from limit deflection voltage
Machine 1 is acted；
D) if target voltage is less than the feedback voltage of deflection motor 1 and the difference of the error voltage for allowing, control deflection
Motor 1 is deflected inward, if the difference of target voltage and the error voltage for allowing is controlled more than the feedback voltage of deflection motor 1
Polishing motor 3 is deflected outward by, and otherwise controls deflection motor 1 to stop deflection.
By implementing the technical scheme of the steel rail grinding deflection angle control method that the specific embodiment of the invention is described, can
Produce following technique effect：
(1) the steel rail grinding deflection angle control method of specific embodiment of the invention description solves existing rail polishing deflection
Angle control mode grinding angle in bruting process be susceptible to change, cause light belt it is uneven, polishing rail exterior feature it is non-type
Technical problem；
(2) angle depth of the steel rail grinding deflection angle control method of specific embodiment of the invention description from physical geometry
Enter to analyze arrangement for deflecting design feature and realize the principle of angle control, realize the steady of rail grinding machine grinding angle deflection
Fixed reliable control, so as to realize the accurate polishing of each different rail level to rail.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention.Though
So the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, in the case where Spirit Essence of the invention and technical scheme is not departed from, all using in the methods and techniques of the disclosure above
Appearance makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations to technical solution of the present invention.Therefore,
Every content without departing from technical solution of the present invention, according to technical spirit of the invention to made for any of the above embodiments any simple
Modification, equivalent, equivalence changes and modification, still fall within the scope of technical solution of the present invention protection.
Claims (8)
1. a kind of steel rail grinding deflection angle control method, it is characterised in that steel rail grinding vane deflection angle control system includes inclined
Rotating motor (1), push guide pillar (2), polishing motor (3), deflection cradle (4), telescopic oil cylinder (5), reel cage (6) and control unit
(7)；Polishing motor (3) and deflection cradle (4) fixation, the bottom for pushing guide pillar (2) and the deflection cradle
(4) fixed, one end of the telescopic oil cylinder (5) is connected with the deflection motor (1), the other end of the telescopic oil cylinder (5) and
Deflection cradle (4) is connected, and the deflection motor (1) is fixed on the reel cage (6)；It is described deflection cradle (4) with it is described
Reel cage (6) is movably connected, and when the telescopic oil cylinder (5) carries out stretching motion, institute is driven by deflection cradle (4)
Polishing motor (3) is stated with the tie point of deflection cradle (4) and reel cage (6) as axle carries out yaw motion；The control method
Comprise the following steps：
Described control unit (7) obtains the feedback angle of current polishing motor (3) and passes through host computer (8) default target in real time
Error angle between angle, and the deflection motor (1) action is constantly adjusted according to error angle, make the polishing motor
(3) default angle on target is deflected to, polishing motor (3) is carried out polishing operation according to default angle on target.
2. steel rail grinding deflection angle control method according to claim 1, it is characterised in that：By the telescopic oil cylinder
(5) D points are connected to the reel cage (6), the reel cage (6) is connected to E points with deflection cradle (4), will be described flexible
Oil cylinder (5) is connected to F points with deflection cradle (4)；When the telescopic oil cylinder (5) carries out stretching motion, D points and E points
Position immobilizes, and the position of F points changes with the flexible of the deflection motor (1).
3. steel rail grinding deflection angle control method according to claim 2, it is characterised in that：Between the D points and E points
Line segment C, and line segment B length between E points and F points immobilizes, the length of the line segment A between the D points and F points
Change with the flexible of the deflection motor (1).
4. steel rail grinding deflection angle control method according to claim 3, it is characterised in that：The control system is also wrapped
Stroke sensor is included, the stroke of the telescopic oil cylinder (5) is measured by the stroke sensor, so as to obtain the D points and F points
Between line segment A length, further according to the line segment A, line segment B and described in line segment C length computations between line segment B and the line segment C
Angle β, so as to the feedback angle of motor of currently being polished (3).
5. the steel rail grinding deflection angle control method according to any one of Claims 1-4, it is characterised in that：When described
When telescopic oil cylinder (5) stretches out, the polishing motor (3) is deflected outward by, when the telescopic oil cylinder (5) is retracted, the polishing electricity
Machine (3) is deflected inward；When needing the deflection motor (1) to be deflected outward by, the extrinsic deflection terminal and system of the deflection motor (1)
The dynamic terminal that releases obtains electric simultaneously；When needing the deflection motor (1) to deflect inward, the intrinsic deflection end of the deflection motor (1)
Son and brake release terminal obtain electric simultaneously；When needing the deflection motor (1) to brake, the extrinsic deflection of the deflection motor (1)
Terminal, intrinsic deflection terminal and brake release terminal dead electricity.
6. steel rail grinding deflection angle control method according to claim 5, it is characterised in that：Driven by oil cylinder and realized
The reel cage (6) realizes the wide-angle deflection of polishing motor (3), and the polishing electricity is realized by the telescopic oil cylinder (5)
The small angle deflection of machine (3)；Can be deflected in polishing motor (3) when by the host computer (8) default angle on target
In the range of, then the deflection of polishing motor (3) is realized by the telescopic oil cylinder (5)；When pre- by the host computer (8)
If angle on target more than the scope that can deflect of polishing motor (3), then the polishing electricity is realized by the reel cage (6)
The wide-angle deflection of machine (3).
7. the steel rail grinding deflection angle control method according to claim 1,2,3 or 6 any one, it is characterised in that institute
State control method further comprising the steps of：
A) described control unit (7) judges whether polishing motor (3) enables, if whether polishing motor (3) enables,
If it is invalid that polishing motor (3) enables, the deflection motor (1) stops deflection；
B) if polishing motor (3) enables, described control unit (7) judges the host computer (8) default target angle
Whether degree exceeds the extreme angles of polishing motor (3) deflection, if the extreme angles deflected beyond polishing motor (3)
The reel cage (6) is then acted while calculating the deflection angle of polishing motor (3), if without departing from extreme angles, by mesh
Mark angular transition is the target stroke position of the telescopic oil cylinder (5)；
C) whether described control unit (7) judges the target voltage of output to the deflection motor (1) beyond the deflection motor
(1) limit deflection voltage, polishing motor (3) stops deflection if deflection voltage is gone beyond the limit of, if without departing from pole
Limit deflection voltage then controls the deflection motor (1) to act；
D) if target voltage controls institute less than the feedback voltage of the deflection motor (1) and the difference of the error voltage for allowing
State deflection motor (1) to deflect inward, if the difference of target voltage and the error voltage for allowing is anti-more than the deflection motor (1)
Feedthrough voltage, then control polishing motor (3) to be deflected outward by, and otherwise controls the deflection motor (1) to stop deflection.
8. steel rail grinding deflection angle control method according to claim 7, it is characterised in that：Current polishing motor (3)
Feedback angle be not more than 0.5 ° by the absolute value of the default angle on target error of host computer (8).
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| CN201710095282.1A CN106873639B (en) | 2017-02-22 | 2017-02-22 | Steel rail grinding deflection angle control method |
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|---|---|---|---|
| CN201710095282.1A CN106873639B (en) | 2017-02-22 | 2017-02-22 | Steel rail grinding deflection angle control method |
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| CN106873639B CN106873639B (en) | 2020-09-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700292A (en) * | 2017-08-31 | 2018-02-16 | 兴化市鑫翔机械有限公司 | A kind of effective angle adjustable steel rail sander |
| CN112442930A (en) * | 2020-11-17 | 2021-03-05 | 苏州睿友智能装备有限公司 | Cradle type steel rail polishing unit inverse solution method and medium |
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