CN106594008A - Material transport control system and method and underground construction machinery - Google Patents
Material transport control system and method and underground construction machinery Download PDFInfo
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- CN106594008A CN106594008A CN201611230865.2A CN201611230865A CN106594008A CN 106594008 A CN106594008 A CN 106594008A CN 201611230865 A CN201611230865 A CN 201611230865A CN 106594008 A CN106594008 A CN 106594008A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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Abstract
The invention relates to a material transport control system and method and underground construction machinery. The material transport control system comprises a material transport control handle (1), a controller (2) and a material transport control valve (3); the material transport control handle (1) is in signal connection with the controller (2); the controller (2) is in signal connection with the control end of the material transport control valve (3); and the material transport control valve (3) is arranged in a work oil line of a material transport motor (4) in the material transport system and used for controlling starting, stopping, steering and rotating speed of the material transport motor (4). According to the material transport control system and method and the underground construction machinery, part of hydraulic control is replaced with electrical control, and compared with existing full-hydraulic material transport control processes, a good control effect can be achieved under the more complicated construction condition.
Description
Technical field
The present invention relates to engineering machinery field, more particularly to a kind of conveying control system, method and underground construction machinery.
Background technology
In underground construction, especially carried out in Urban Metro Construction using subsurface excavation method, the conveying of dregs is must
Few link.The dregs manually or mechanically excavated needs to clean out working interface in time, to carry out the construction of next step,
And the conveying of dregs affects larger to underground efficiency of construction.
Dregs produced by existing underground construction mainly uses excavator or the conveyer device of some construction equipments will
Dregs is loaded or is sent on dregs transportation car, and dregs is transported out of work surface by dregs transportation car again then.Wherein, excavator is
With diesel engine powers, waste gas during its work, can be given off, and for the bad underground space of air flow property, these
Waste gas can cause underground air to pollute, and affect that construction environment and workmen's is healthy.
The undesirable problem of control effect is faced with then by the way of the conveyer device of construction equipment carries out dregs transportation,
As conveyer device often adopts all-hydraulic control system, workmen is needed to be controlled by hydraulic handle and shift knob
System, hydraulic handle operation it is unskilled when easily cause system shock, if for example on startup operator quickly by handss
Handle shifts maximum onto, then hydraulic valve will standard-sized sheet suddenly, cause stronger startup to impact, and if be attached on conveyer device
Dregs, then be likely to result in the blocking to conveyer device.In addition, it is likely to appearance in the normal transportation process of dregs to block up
Plug.For the blocking of conveyer device is mainly by manually clearing up, efficiency comparison is low.Also have by vibrating motor at present
To carry out block clearing, but this mode needs plus with vibrating motor, improves equipment cost, also occupy more spaces and weight
Amount.
On the other hand, existing transport control system design comparison is simple, mainly by workmen's perusal come
The situation of solution dregs conveying, but such observation cannot obtain more accurate and detailed equipment state, the reliability of control with
Accuracy is more general.
The content of the invention
The purpose of the present invention is to propose to a kind of conveying control system, method and underground construction machinery, can realize that complexity is applied
Conveying control under work operating mode.
For achieving the above object, the invention provides a kind of conveying control system, including：Conveying control handle, controller
Valve is controlled with conveying, the conveying control handle is connected with the controller signals, the controller controls valve with the conveying
The connection of control end signal, conveying control valve is arranged in the working oil path of conveying motor in conveying system, for controlling
The start and stop of the conveying motor, turn to and rotating speed.
Further, also, for detecting the rotating forward operating oil pressure of the conveying motor and it is supplied to including pressure transducer
The controller；The controller is connected with the pressure sensor signal, can be it is determined that the conveying motor is just changed a job
When making oil pressure more than default putty pressure threshold, valve is controlled by the conveying and controls the conveying motor alternating rotating,
And recover the normal of the conveying motor in rotating forward when operating oil pressure is less than the putty pressure threshold for the conveying motor
Conveying process.
Further, the controller includes：
Oil pressure comparing unit, is connected with the pressure sensor signal, for the institute to receiving from the pressure transducer
The rotating forward operating oil pressure and default putty pressure threshold for stating conveying motor is compared；
Rotating control unit, is connected compared with cell signal with the oil pressure ratio, for it is determined that the conveying motor just
When turning operating oil pressure more than default putty pressure threshold, send control signal by valve being controlled to the conveying, so that described
Conveying control valve controls the conveying motor and replaces rotating, and the conveying motor rotating forward operating oil pressure less than described
Recover the normal conveying process of the conveying motor during putty pressure threshold；
Reversion times setting unit, is connected with the rotating control unit signal, for receiving outside input or system
The maximum reversion number of times of the permission of acquiescence, and the rotating control unit is supplied to, so that the controller is in the conveying horse
The maximum reversion number of times of the permission is reached up to reversion number of times, and the rotating forward operating oil pressure of the conveying motor is still above default
During putty pressure threshold, notify manually block clearing or control valve by the conveying to make the conveying motor shutdown.
Further, also include starting transition element in the controller, with the conveying control handle and the conveying
The equal signal connection of control valve, the input current that the conveying control handle can be detected in system start-up are being opened less than default
When increasing to maximum current value under the dynamic time, control is supplied to the current value of the conveying control valve to be stepped up with preset function
To maximum current value.
Further, the preset function is linear increasing function or parabola increasing function.
Further, the signal is connected as voltage/current signals connection or the connection of Controller Area Network BUS signal.
Further, also it is connected with the controller signals including human-computer interaction device, being capable of display system status information
And fault alarm information, and putty pressure threshold can be carried out, maximum reversion number of times, reversion is allowed according to the outside input for receiving
Time and/or the setting of starting time.
Further, also it is connected with the controller signals including speed probe, can be normal in the conveying motor
Motor rotary speed is detected during conveying, and motor rotary speed is supplied to into the controller.
For achieving the above object, the invention provides a kind of underground construction is mechanical, including conveying motor, wherein also including front
The conveying control system stated.
For achieving the above object, the invention provides a kind of conveying control method based on aforesaid conveying control system,
Including：
The rotating forward operating oil pressure of the conveying motor in pressure transducer real-time detection conveying system, and described in detecting
The rotating forward operating oil pressure of conveying motor is supplied to controller；
The rotating forward operating oil pressure of the conveying motor is compared by the controller with default putty pressure threshold, such as
Fruit determines that the rotating forward operating oil pressure of the conveying motor exceedes default putty pressure threshold, then control valve control by the conveying
Make the conveying motor and replace rotating, and the rotating forward operating oil pressure in the conveying motor is less than the putty pressure threshold
The normal conveying process of conveying motor described in Shi Huifu.
Further, it is described that the valve control conveying motor alternating rotating is controlled by the conveying, and described defeated
The normal conveying process for recovering the conveying motor when rotating forward operating oil pressure less than the putty pressure threshold of material motor
Operation is specifically included：
Inversion step：The controller sends control signal to conveying control valve, makes the conveying control valve control
The conveying motor reversion, and inverted status are maintained in default reversing time；
Rotate forward detection and process step：After the conveying motor inverted status persistently preset reversing time, the control
Device sends control signal to conveying control valve, makes the conveying control valve control the conveying motor and recovers to rotate forward, and examines
The rotating forward operating oil pressure of the conveying motor is surveyed whether still above default putty pressure threshold, if still above entering
One step judges whether current conveying motor reversion number of times reaches the maximum reversion number of times of permission, is to notify manually block clearing
Or the conveying motor shutdown is made by conveying control valve, otherwise re-execute the inversion step；If the conveying
The rotating forward operating oil pressure of motor is less than default putty pressure threshold, then recover the normal conveying process of the conveying motor.
Further, also include：When the controller detects the conveying manipulation handss when the conveying system starts
When the input current of handle increases to maximum current value under less than default starting time, control is supplied to the conveying control valve
Current value is stepped up maximum current value with preset function.
Further, the preset function is linear increasing function or parabola increasing function.
Further, also include：In conveying, the controller gathers the current feedback values of the conveying control valve and institute
The motor rotary speed of conveying motor is stated, and judges whether the conveying system is transported according to the current feedback values and the motor rotary speed
Often become a full member, if it is determined that the conveying system operating is abnormal, then and by human-computer interaction device carry out fault alarm.
Based on above-mentioned technical proposal, the present invention makes controller connect with conveying control handle and conveying control valve signal respectively
Connect, replace section hydraulic control using electrical control, compared to existing all-hydraulic conveying control process, can be more complicated
Preferable control effect is realized under construction operating mode.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of an embodiment of conveying control system of the present invention.
Fig. 2 is the structural representation of another embodiment of conveying control system of the present invention.
Fig. 3 is the structural representation of the another embodiment of conveying control system of the present invention.
Fig. 4 is the interface schematic diagram of human-computer interaction device in conveying control system embodiment of the present invention.
Fig. 5 is the schematic flow sheet of an embodiment of conveying control method of the present invention.
Fig. 6 is the schematic flow sheet of another embodiment of conveying control method of the present invention.
Specific embodiment
Below by drawings and Examples, technical scheme is described in further detail.
As shown in figure 1, the structural representation of the embodiment for conveying control system of the present invention.In the present embodiment, it is defeated
Material control system includes：Conveying control handle 1, controller 2 and conveying control valve 3, the conveying control handle 1 and the control
2 signal of device connects, and the control end signal that the controller 2 controls valve 3 with the conveying is connected, and the conveying control valve 3 is arranged
In conveying system in the working oil path of conveying motor 4, for controlling the start and stop of the conveying motor 4, turning to and rotating speed.
In the present embodiment, conveying control handle 1 may be provided at manipulation interior by operator's manual operations, operator
Can select to start or stop conveying process according to actual condition, also including speed for controlling conveying etc..Conveying control valve 3 is arranged
In conveying system in the working oil path of conveying motor 4, in other words, the hydraulic oil for flowing into conveying motor 4 is needed through conveying
Control valve 3, and control valve 3 to control oil communication relation and liquid between hydraulic oil feed end and conveying motor 4 by conveying
Force feed flow, and then realize start and stop, steering and the control of rotating speed of conveying motor 4.Controller 2 is in the present embodiment as core
Part can using existing digital signal processor, special IC, field programmable gate array or other programmable patrol
Volume device, discrete gate or transistor logic, discrete hardware components or which is arbitrarily appropriately combined.In the present embodiment,
Above-mentioned signal connection can connect for voltage/current signals, or Controller Area Network BUS (Controller Area
Network, abbreviation CAN) signal connection.
Compared with all-hydraulic control of the prior art, the conveying control handle 1 in the present embodiment does not directly control defeated
The aperture of material control valve 3, but is received the input instruction of conveying control handle 1 by controller 2, and according to the input instruction with
And default process logic sends corresponding voltage or current controling signal to conveying control valve 3, adjust in conveying control valve 3
The operating position of valve element, so as to realize the starting or stoping of conveying motor 4, forward or reverse and the slow-speed of revolution or high rotating speed etc..
The present embodiment replaces section hydraulic control using electrical control, compared to existing all-hydraulic conveying control process, can be more
Preferable control effect is realized under complicated construction operating mode.
As shown in Fig. 2 the structural representation of another embodiment for conveying control system of the present invention.With upper embodiment phase
Than the present embodiment also includes pressure transducer 5, and the pressure transducer 5 is used for the rotating forward working oil for detecting the conveying motor 4
Pressure, and it is supplied to the controller 2.Controller 2 is connected with 5 signal of the pressure transducer, can be it is determined that the conveying horse
Up to 4 rotating forward operating oil pressure exceed default putty pressure threshold when, by the conveying control valve 3 control the conveying motor
4 replace rotating, and recover described defeated when the rotating forward operating oil pressure of the conveying motor 4 is less than the putty pressure threshold
The normal conveying process of material motor 4.
Rotate forward operating oil pressure and the situation that putty occurs in conveying system has generally been corresponded to more than default putty pressure threshold, i.e.,
As putty causes the load of conveying motor 4 to increase sharply so that the rotating forward operating oil pressure of conveying motor 4 is also improved therewith, when
During more than default putty pressure threshold, then it is assumed that what putty situation was more serious has had influence on normal conveying process, need into
Row cleaning.Accordingly, putty pressure threshold then can be set after being determined by historical data or many experiments.
For the putty situation for occurring, controller 2 controls valve 3 by conveying to control 4 rotating of conveying motor to cause
The material of blocking can effectively improve putty situation along transport path swing.Compared to existing vibrating motor block clearing
Mode, the present embodiment can save the configuration of vibrating motor, only be achieved that block clearing using the rotating of conveying motor, and then relatively
Reduce equipment cost, it is to avoid the waste in space and weight.
For the control of conveying positive and negative rotation of motor, controller 2 can be realized by the internal multiple functional units for arranging.
For example, controller 2 may particularly include：Oil pressure comparing unit, rotating control unit and reversion times setting unit.Its
In, oil pressure comparing unit is connected with 5 signal of the pressure transducer, for described defeated to what is received from the pressure transducer 5
The rotating forward operating oil pressure of material motor 4 is compared with default putty pressure threshold.
Rotating control unit is connected compared with cell signal with the oil pressure ratio, for it is determined that the conveying motor 4 just
When turning operating oil pressure more than default putty pressure threshold, send control signal by valve 3 being controlled to the conveying, so that described
Conveying control valve 3 controls the conveying motor 4 and replaces rotating, and the rotating forward operating oil pressure in the conveying motor 4 is less than
Recover the normal conveying process of the conveying motor 4 during the putty pressure threshold.Reversion times setting unit is positive and negative with described
Turn the connection of control unit signal, the maximum reversion number of times of the permission for receiving outside input or system default, and be supplied to described
Rotating control unit, so that the controller 2 reaches the maximum reversion time of the permission in the conveying motor 4 reversion number of times
Number, and the rotating forward operating oil pressure of the conveying motor 4 still above default putty pressure threshold when, notify manually block clearing
Or controlling valve 3 by the conveying shuts down the conveying motor 4.
In the present embodiment, rotating control unit not only needs to control valve to control the positive and negative of conveying motor by conveying
Turn, in addition it is also necessary to the persistent period of control reversion, the number of times of needs reversion, when repeatedly reversion effectively cannot carry out block clearing
Can notify that related personnel carries out manual block clearing in time, according to circumstances can with shutdown process cannot be carried out during block clearing, so as to
Related personnel is overhauled.
In the above-described embodiments, in addition to the rotating of conveying motor is controlled, can further include in controller 2
Start transition element, the unit is connected with the conveying control handle 1 and conveying control 3 equal signal of valve, can be in system
The input current that the conveying control handle 1 is detected during startup increases to maximum current value under less than default starting time
When, control is supplied to the current value of the conveying control valve 3 to be stepped up maximum current value with preset function.When conveying is manipulated
When the input current of handle 1 increases to maximum current value under less than default starting time, show that operator on startup will
What conveying control handle was too fast shifts maximum position onto, if according to existing all-hydraulic control mode, system shock can be caused,
And in the present embodiment by the startup transition element of controller to inputing to the control that conveying controls the size of current of valve, can
The valve element of conveying control valve is made than maximum being moved in the way of shallower step by step by the position of flow, will not thus make
Into system shock, it is ensured that the smooth starting of conveying motor.Here preset function may be selected linear increasing function or parabola increases
Function.The parameter of wherein linear increasing function and parabola increasing function needs to meet to be made to reach maximum current value from initial current value
Time is greater than default starting time.
As shown in figure 3, the structural representation of the another embodiment for conveying control system of the present invention.With the various embodiments described above
Compare, in the present embodiment, also include human-computer interaction device 6, the device is connected with 2 signal of the controller, being capable of display system shape
State information and fault alarm information, and putty pressure threshold can be carried out, maximum reversion time is allowed according to the outside input for receiving
The setting of number, reversing time and/or starting time.Human-computer interaction device 6 can be the touch screen that can be input into and show, also may be used
Being the combination of display and operation keyboard.In the interface example of the human-computer interaction device for example shown in Fig. 4, the part that keeps left is defeated
Material parameter setting interface, the interface can be realized putty pressure threshold, allow maximum reversion number of times, reversing time and starting time
Setting, and part of keeping right is for conveying information display interface, the interface can show rotating forward oil pressure, reversion oil pressure, motor rotary speed,
The system status informations such as conveying control valve electric current, it is also possible to show fault alarm information.Operator are by observing the man-machine friendship
Mutually device can timely and detailed understand the current state of equipment, and can be reported to the police according to these information accordingly and event
Barrier process.
In another embodiment, conveying control system can also include speed probe 7, the speed probe 7 with it is described
2 signal of controller connects, and can detect motor rotary speed in the 4 normal conveying of conveying motor, and motor rotary speed is supplied to
The controller 2.So in conveying, controller 2 can gather the current feedback values and the conveying of the conveying control valve 3
The motor rotary speed of motor 4, and judge whether the conveying system just operates according to the current feedback values and the motor rotary speed
Often, if it is determined that the conveying system operating is abnormal, then and by human-computer interaction device 6 carry out fault alarm.
Above-mentioned each conveying control system is applied to all kinds of implements for needing to carry out material conveying, is especially suitable for applying
Underground construction machinery.Therefore present invention also offers a kind of underground construction is mechanical, including conveying motor 4 and aforesaid any one is defeated
Material control system, to realize the conveying of the dregs to excavating.
Based on the embodiment of above-mentioned each conveying control system, present invention also offers the reality of following multiple conveying control methods
Apply example.As shown in figure 5, the schematic flow sheet of the embodiment for conveying control method of the present invention.In the present embodiment, conveying control
Method processed includes：
The rotating forward operating oil pressure of the conveying motor 4 in step 100,5 real-time detection conveying system of pressure transducer, and will inspection
The rotating forward operating oil pressure of the conveying motor 4 for measuring is supplied to controller 2；
Step 200, the controller 2 are by the rotating forward operating oil pressure of the conveying motor 4 and default putty pressure threshold
It is compared, if it is determined that the rotating forward operating oil pressure of the conveying motor 4 exceedes default putty pressure threshold, then execution step
300, otherwise end operation；
Step 300, controller control valve 3 by the conveying and control the alternating of conveying motor 4 rotating, and described
The normal conveying mistake for recovering the conveying motor 4 when rotating forward operating oil pressure less than the putty pressure threshold of conveying motor 4
Journey.
In another embodiment of the method as shown in Figure 6, step 300 may particularly include：
Inversion step：
Step 310, the controller 2 send control signal to conveying control valve 3, control the conveying control valve 3
Make the conveying motor 4 to invert, and inverted status are maintained in default reversing time；
Rotate forward detection and process step：
Step 320, after 4 inverted status of conveying motor persistently preset reversing time, the controller 2 is to described defeated
Material control valve 3 sends control signal, makes the conveying control valve 3 control the conveying motor 4 and recovers to rotate forward；
Whether step 330, controller detect the rotating forward operating oil pressure of the conveying motor 4 still above default putty pressure
Force threshold, if still above execution step 340, otherwise execution step 350；
Step 340, controller determine whether whether the current reversion number of times of conveying motor 4 reaches the maximum reversion of permission
Number of times, is then execution step 360, and otherwise return to step 310 is performing the inversion step；
Step 350, the normal conveying process for recovering or maintaining the conveying motor 4；
Step 360, notify manually block clearing or by the conveying control valve 3 shut down the conveying motor 4.
In another embodiment of the method, control method can further include：When the controller 2 is in the conveying
The input current that the conveying control handle 1 is detected during system start-up increases to maximum current under less than default starting time
During value, control is supplied to the current value of the conveying control valve 3 to be stepped up maximum current value with preset function.Wherein, should
Preset function be the parameter of linear increasing function or parabola increasing function, linear increasing function and parabola increasing function need satisfaction make from
The time of initial current value arrival maximum current value is greater than default starting time.
In the embodiment shown in Fig. 5 or Fig. 6, can further include：In conveying, the collection of the controller 2 institute
The motor rotary speed of the current feedback values and the conveying motor 4 of conveying control valve 3 is stated, and according to current feedback values and described
Motor rotary speed judges whether the conveying system works well, if it is determined that conveying system operating is abnormal, then and pass through
Human-computer interaction device 6 carries out fault alarm.
Finally it should be noted that:Above example is only to illustrate technical scheme rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art should be understood：Still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, which all should be covered in the middle of the technical scheme scope being claimed in the present invention.
Claims (14)
1. a kind of conveying control system, it is characterised in that include：Conveying control handle (1), controller (2) and conveying control valve
(3), the conveying control handle (1) is connected with the controller (2) signal, and the controller (2) controls valve with the conveying
(3) control end signal connection, conveying control valve (3) are arranged in the working oil path of conveying motor (4) in conveying system,
For controlling the start and stop of the conveying motor (4), turning to and rotating speed.
2. conveying control system according to claim 1, it is characterised in that also including pressure transducer (5), for detecting
The rotating forward operating oil pressure of the conveying motor (4), and it is supplied to the controller (2)；The controller (2) is passed with the pressure
Sensor (5) signal connects, can be it is determined that the rotating forward operating oil pressure of the conveying motor (4) exceedes default putty pressure threshold
When, by conveying control valve (3) control conveying motor (4) the alternately rotating, and in the conveying motor (4) just
Recover the normal conveying process of the conveying motor (4) when turning operating oil pressure less than the putty pressure threshold.
3. conveying control system according to claim 2, it is characterised in that the controller (2) includes：
Oil pressure comparing unit, be connected with the pressure transducer (5) signal, for receiving from the pressure transducer (5)
The rotating forward operating oil pressure of the conveying motor (4) is compared with default putty pressure threshold；
Rotating control unit, is connected compared with cell signal with the oil pressure ratio, for it is determined that the rotating forward of the conveying motor (4)
When operating oil pressure exceedes default putty pressure threshold, send control signal by valve (3) being controlled to the conveying, so that described
Conveying control valve (3) controls the conveying motor (4) alternately rotating, and in the rotating forward operating oil pressure of the conveying motor (4)
Recover the normal conveying process of the conveying motor (4) during less than the putty pressure threshold；
Reversion times setting unit, is connected with the rotating control unit signal, for receiving outside input or system default
The maximum reversion number of times of permission, and be supplied to the rotating control unit, so that the controller (2) is in the conveying motor
(4) invert number of times and reach the maximum reversion number of times of the permission, and the rotating forward operating oil pressure of the conveying motor (4) is still above pre-
If putty pressure threshold when, notify manually block clearing or by the conveying control valve (3) stop the conveying motor (4)
Machine.
4. according to the arbitrary described conveying control system of claims 1 to 3, it is characterised in that also include in the controller (2)
Start transition element, be connected with the conveying control handle (1) and conveying control valve (3) signal, can open in system
The input current that the conveying control handle (1) is detected when dynamic increases to maximum current value under less than default starting time
When, control is supplied to the current value of conveying control valve (3) to be stepped up maximum current value with preset function.
5. conveying control system according to claim 4, it is characterised in that the preset function is linear increasing function or throwing
Thing line increasing function.
6. conveying control system according to claim 1, it is characterised in that the signal is connected as voltage/current signals
Connection or the connection of Controller Area Network BUS signal.
7. conveying control system according to claim 1, it is characterised in that also including human-computer interaction device (6), it is and described
Controller (2) signal connect, can display system status information and fault alarm information, and can according to receive outside input
Carry out putty pressure threshold, allow the setting of maximum reversion number of times, reversing time and/or starting time.
8. conveying control system according to claim 1, it is characterised in that also including speed probe (7), with the control
Device (2) signal connection processed, can detect motor rotary speed in the normal conveying of the conveying motor (4), and motor rotary speed is provided
Give the controller (2).
9. a kind of underground construction is mechanical, including conveying motor (4), it is characterised in that also arbitrary described including claim 1～8
Conveying control system.
10. a kind of conveying control method based on the arbitrary described conveying control system of claim 1～8, it is characterised in that bag
Include：
The rotating forward operating oil pressure of the conveying motor (4) in pressure transducer (5) real-time detection conveying system, and by the institute for detecting
The rotating forward operating oil pressure for stating conveying motor (4) is supplied to controller (2)；
The rotating forward operating oil pressure of the conveying motor (4) and default putty pressure threshold are compared by the controller (2),
If it is determined that the rotating forward operating oil pressure of the conveying motor (4) exceedes default putty pressure threshold, then by the conveying control
Valve (3) processed controls the conveying motor (4) alternately rotating, and the rotating forward operating oil pressure in the conveying motor (4) is less than
Recover the normal conveying process of the conveying motor (4) during the putty pressure threshold.
11. conveying control methods according to claim 10, it is characterised in that described that valve (3) is controlled by the conveying
The conveying motor (4) alternately rotating is controlled, and the rotating forward operating oil pressure in the conveying motor (4) is less than the putty
The operation for recovering the normal conveying process of the conveying motor (4) during pressure threshold is specifically included：
Inversion step：The controller (2) sends control signal to conveying control valve (3), makes conveying control valve (3)
Conveying motor (4) reversion is controlled, and inverted status is maintained in default reversing time；
Rotate forward detection and process step：After conveying motor (4) inverted status persistently preset reversing time, the controller
(2) control signal is sent to conveying control valve (3), make conveying control valve (3) control the conveying motor (4) and recover
Rotate forward, and whether the rotating forward operating oil pressure of the conveying motor (4) is detected still above default putty pressure threshold, if still
So exceed, then determine whether whether current conveying motor (4) reversion number of times reaches the maximum reversion number of times of permission, be then logical
Know manually block clearing or valve (3) is controlled by the conveying shuts down the conveying motor (4), otherwise re-execute described anti-
Go to step；If the rotating forward operating oil pressure of the conveying motor (4) is less than default putty pressure threshold, recover described defeated
The normal conveying process of material motor (4).
12. conveying control methods according to claim 10, it is characterised in that also include：
When the input current that the controller (2) detects the conveying control handle (1) when the conveying system starts exists
During less than increasing to maximum current value under default starting time, control is supplied to the current value of conveying control valve (3) with pre-
If function is stepped up maximum current value.
13. conveying control methods according to claim 12, it is characterised in that the preset function be linear increasing function or
Parabola increasing function.
14. conveying control methods according to claim 10, it is characterised in that also include：
In conveying, the controller (2) gathers the current feedback values and the conveying motor (4) of conveying control valve (3)
Motor rotary speed, and judge whether the conveying system works well according to the current feedback values and the motor rotary speed, such as
Fruit determines that the conveying system operating is abnormal, then and by human-computer interaction device (6) carry out fault alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230865.2A CN106594008B (en) | 2016-12-28 | 2016-12-28 | conveying control system, method and underground construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230865.2A CN106594008B (en) | 2016-12-28 | 2016-12-28 | conveying control system, method and underground construction machinery |
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| Publication Number | Publication Date |
|---|---|
| CN106594008A true CN106594008A (en) | 2017-04-26 |
| CN106594008B CN106594008B (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611230865.2A Active CN106594008B (en) | 2016-12-28 | 2016-12-28 | conveying control system, method and underground construction machinery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113931038A (en) * | 2021-10-19 | 2022-01-14 | 湖南三一中益机械有限公司 | Material clamping control method and device of material conveying system of spreading machine and spreading machine |
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|---|---|
| CN106594008B (en) | 2018-07-17 |
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Effective date of registration: 20190418 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Engineering Machinery Research Institute Co., Ltd. Address before: 221004 Industrial Zone of Xuzhou Economic Development Zone, Jiangsu Province Patentee before: XCMG Group Engineering Machine Co., Ltd. |