CN109208672A - A kind of winding steel wire rope automatic tension control system and diaphragm wall grab machine - Google Patents
A kind of winding steel wire rope automatic tension control system and diaphragm wall grab machine Download PDFInfo
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- CN109208672A CN109208672A CN201811097085.4A CN201811097085A CN109208672A CN 109208672 A CN109208672 A CN 109208672A CN 201811097085 A CN201811097085 A CN 201811097085A CN 109208672 A CN109208672 A CN 109208672A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
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Abstract
The invention discloses a kind of winding steel wire rope automatic tension control system and diaphragm wall grab machine, hoist motor control system realizes lower section and the winding of wirerope for controlling motor (1) positive and negative rotation；Regulating device；The regulating device can issue adjustment signal when current lineoutofservice signal pull is less than default pulling force；The hoist motor control system can control the motor (1) after receiving the adjustment signal and invert.The invention has the benefit that can by acquire wirerope current pulling force come judge equipment whether run-off the straight, equipment run-off the straight is judged when current pulling force is less than default pulling force, issuing control signal at this time makes motor reversion promote equipment until in reasonable range, to realize the automatic deviation correction of equipment, it is effectively guaranteed grooving precision.Correction procedure can both be completed by manually controlling, and can also be completed by automatically controlling, be improved system reliability, reduce labor intensity, reduce skill requirement.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of winding steel wire rope automatic tension control system and company
Continuous wall grab claw.
Background technique
Underground diaphragm wall device is a kind of important underground construction grooving equipment, and Major Function is by equipment
The stretching motion of featured oil cylinder drives two bucket valves that movement is opened and closed, to realize the process unloaded soil, grab soil.As shown in Figure 1,
Generated upwards thrust is broken to bucket due to soil layer during grabbing soil, the winding steel wire rope relaxation of equipment is promoted, causes
Bucket body inclination, in turn resulting in grooving precision not can guarantee.Currently, not yet there is effective correction means to be restored to equipment
Correct position.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of winding steel wire rope automatic tension control system is provided
System and diaphragm wall grab machine, can be judged by acquiring the current pulling force of wirerope equipment whether run-off the straight, when working as
Preceding pulling force judges equipment run-off the straight when being less than default pulling force, and issuing control signal at this time makes motor reversion promote work dress
It sets until in reasonable range, to realize the automatic deviation correction of equipment.
To solve prior art problem, the invention discloses a kind of winding steel wire rope automatic tension control systems, comprising:
Hoist motor control system realizes lower section and the winding of wirerope for controlling positive and negative rotation of motor；
Regulating device；
Regulating device can issue adjustment signal when current lineoutofservice signal pull is less than default pulling force；Hoist motor control system energy
It is enough that motor reversion is controlled after receiving adjustment signal.
Preferably,
Hoist motor control system includes:
Motor, with hydraulic fluid port A and hydraulic fluid port B；
Hydraulic pump I, with hydraulic fluid port P1 and hydraulic fluid port T1；And
Control valve I, with hydraulic fluid port a, hydraulic fluid port A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；
Hydraulic fluid port A ' is connected with hydraulic fluid port A, and hydraulic fluid port B ' is connected with hydraulic fluid port B, and hydraulic fluid port P is connected with hydraulic fluid port P1, hydraulic fluid port T and hydraulic fluid port T1 with oil
Case is connected；
After hydraulic fluid port a has pressure oil effect, hydraulic fluid port A ' is connected with hydraulic fluid port P, and hydraulic fluid port B ' is connected to hydraulic fluid port T-phase, and hydraulic pump I is to hydraulic fluid port
A pump oil is inverted with drive motor；When hydraulic fluid port a no pressure oil acts on, do not connect mutually between hydraulic fluid port P, hydraulic fluid port B ', hydraulic fluid port A ' and hydraulic fluid port T
It is logical；
Regulating device includes:
Hydraulic pump II, with hydraulic fluid port P2 and hydraulic fluid port T2；
Control valve II, with signal input part Y1, hydraulic fluid port A " and hydraulic fluid port P3；
Pulling force detector；And
Controller has signal input part I1, signal output end O1 and pulling force judgment module；
Hydraulic fluid port A " is connected with hydraulic fluid port a, and hydraulic fluid port P3 is connected with hydraulic fluid port P2, and hydraulic fluid port T2 is connected with fuel tank；The signal of pulling force detector is defeated
Outlet is connected for current lineoutofservice signal pull signal to be sent to controller, signal output end O1 and signal with signal input part I1
Input terminal Y1 is connected；
Pulling force judgment module issues current signal, signal input part after capable of being less than default pulling force judging current lineoutofservice signal pull
After Y1 input current signal, hydraulic fluid port A " is connected with hydraulic fluid port P3, and control valve II has pressure oil to export and acts on hydraulic fluid port a；Signal
When input terminal Y1 no signal inputs, hydraulic fluid port A " is not connected to hydraulic fluid port P3, the output of II no pressure oil of control valve.
Preferably,
Hoist motor control system further include:
Hydraulic control handle, with action input portion N2, hydraulic fluid port P4 and hydraulic fluid port C2；And
Shuttle valve II, with hydraulic fluid port a ', hydraulic fluid port b ' and hydraulic fluid port c '；
Hydraulic fluid port P4 is connected with hydraulic fluid port P2, and hydraulic fluid port C2 is connected with hydraulic fluid port b ', and hydraulic fluid port A " is connected with hydraulic fluid port a ', hydraulic fluid port c ' and hydraulic fluid port a phase
Even, hydraulic fluid port T2 is connected with fuel tank；
After action input portion N2 input action, hydraulic fluid port P4 is connected with hydraulic fluid port C2, and hydraulic control handle has pressure oil to export and act on
Hydraulic fluid port a；When action input portion N2 is not operated, hydraulic fluid port P4 is not connected to hydraulic fluid port C2, the output of hydraulic control handle no pressure oil.
Preferably,
Hydraulic control handle also has action input portion N1 and hydraulic fluid port C1；Control valve I also has hydraulic fluid port b；
When control valve I has hydraulic fluid port b, hydraulic fluid port C1 is connected with hydraulic fluid port b；After hydraulic fluid port b is under pressure oil effect, hydraulic fluid port A ' and oil
Mouth T-phase connection, hydraulic fluid port B ' are connected with hydraulic fluid port P, and hydraulic pump I is rotated forward to hydraulic fluid port B pump oil with drive motor；
After action input portion N1 input action, hydraulic fluid port P4 is connected with hydraulic fluid port C1, and hydraulic control handle has pressure oil to export and act on
Hydraulic fluid port b；When action input portion N2 is not operated, the output of hydraulic control handle no pressure oil.
Preferably,
Hoist motor control system further include:
Shuttle valve I, with hydraulic fluid port a ", hydraulic fluid port b " and hydraulic fluid port c "；And
Pressure switch, with detection mouth；
Also there is controller signal input part I2, signal input part I2 to be connected with the signal output end of pressure switch, hydraulic fluid port a " with
Hydraulic fluid port C2 is connected, and hydraulic fluid port b " is connected with hydraulic fluid port C1, and hydraulic fluid port c " is connected with detection mouth.
Preferably,
Hoist motor control system includes:
Motor, with hydraulic fluid port A and hydraulic fluid port B；
Hydraulic pump I, with hydraulic fluid port P1 and hydraulic fluid port T1；And
Control valve I, with signal input part I2, hydraulic fluid port A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；
Hydraulic fluid port A ' is connected with hydraulic fluid port A, and hydraulic fluid port B ' is connected with hydraulic fluid port B, and hydraulic fluid port P is connected with hydraulic fluid port P1, hydraulic fluid port T and hydraulic fluid port T1 with oil
Case is connected；
After signal input part I2 has signal input, hydraulic fluid port A ' is connected with hydraulic fluid port P, and hydraulic fluid port B ' is connected to hydraulic fluid port T-phase, hydraulic pump I
It is inverted to hydraulic fluid port A pump oil with drive motor；When signal input part I2 no signal is defeated, hydraulic fluid port P, hydraulic fluid port B ', hydraulic fluid port A ' and hydraulic fluid port T it
Between be not connected to mutually；
Regulating device includes:
Pulling force detector；And
Controller has signal input part I1, signal output end O1 and pulling force judgment module；
Signal output end O1 is connected with signal input part I2；The signal output end of pulling force detector is used in conjunction with signal input part I1 phase
In current lineoutofservice signal pull signal is sent to controller；
Pulling force judgment module issues current signal to signal after capable of being less than default pulling force judging current lineoutofservice signal pull and inputs
Hold I2.
Preferably,
Controller also has signal output end O2；Control valve I also has signal input part I3, and signal output end O2 and signal input
I3 is held to be connected；Signal input part I3 input controller issue positive rotaring signal after, hydraulic fluid port A ' is connected to hydraulic fluid port T-phase, hydraulic fluid port B ' and
Hydraulic fluid port P is connected；Hydraulic pump I is rotated forward to hydraulic fluid port B pump oil with drive motor.
Preferably,
Controller further includes safety condition judgment module, and safety condition judgment module can acquire current working and have safety
Control signal is issued after condition makes pulling force judgment module work.
The invention also discloses a kind of diaphragm wall grab machines, comprising: a kind of above-mentioned winding steel wire rope automatic tension control system
System.
The invention has the benefit that can judge whether equipment is sent out by acquiring the current pulling force of wirerope
Raw inclination, judges equipment run-off the straight when current pulling force is less than default pulling force, and issuing control signal at this time keeps motor anti-
Turn to be promoted equipment until to realize the automatic deviation correction of equipment, being effectively guaranteed grooving essence in reasonable range
Degree.Correction procedure can both be completed by manually controlling, and can also be completed by automatically controlling, be improved system reliability, subtract
Lack labor intensity, reduces skill requirement.
Detailed description of the invention
Fig. 1 is Construction State figure of the invention；
Fig. 2 is the control system figure of first embodiment of the invention；
Fig. 3 is the control system figure of second embodiment of the invention；
Fig. 4 is the control system figure of third embodiment of the invention；
Fig. 5 is system flow chart of the invention；
The graph of relation of control electric current and lineoutofservice signal pull difference that Fig. 6 is signal input part Y1 in the present invention.
Appended drawing reference:
1 motor；2 control valves I；3 shuttle valves II；4 hydraulic pumps I；5 hydraulic control handles；6 pressure switches；7 shuttle valves I；8 control valves II；9 liquid
Press pump II；10 controllers；11 pulling force detectors.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of diaphragm wall grab machine, mainly includes hoist engine and grab bucket equipment, hoist engine passes through steel
Cord connection grab bucket equipment, hoist engine are driven the decline and promotion for realizing grab bucket equipment by motor 1.When carrying out grabbing soil
When, grab bucket equipment decline reaches designated position, promotes mainly cylinder efficient at this time and enables bucket valve closure, this process will cause bucket body and incline
Tiltedly, thus lineoutofservice signal pull is caused to change, is based on this, the present invention is controlled especially by a kind of winding steel wire rope automatic tension
System realizes the inclined correction of bucket body, final to guarantee grooving precision.
Embodiment one
As described in Figure 2, the present embodiment mainly realizes the inclined correction of bucket body by way of automatic control, the control system packet
Hoist motor control system is included, lower section and the winding of wirerope are realized for controlling positive and negative rotation of motor；And regulating device；It adjusts
Device can issue adjustment signal when current lineoutofservice signal pull is less than default pulling force；Hoist motor control system can receive
Motor reversion is controlled after adjustment signal.Hoist motor control system includes: motor 1, hydraulic pump I 4 and control valve I 2；Regulating device
It include: hydraulic pump II 9, control valve II 8, pulling force detector 11 and controller 10.
Motor 1 has hydraulic fluid port A and hydraulic fluid port B；Hydraulic pump I 4 has hydraulic fluid port P1 and hydraulic fluid port T1；Control valve I 2 has hydraulic fluid port a, oil
Mouth A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；Hydraulic pump II 9 has hydraulic fluid port P2 and hydraulic fluid port T2；Control valve II 8 has signal input part
Y1, hydraulic fluid port A " and hydraulic fluid port P3；Pulling force detector 11 is for acquiring current lineoutofservice signal pull；Controller 10 has signal input part
I1, signal output end O1, pulling force judgment module and safety condition judgment module.Safety condition judgment module can acquire master respectively
Pressure value, Construction State signal, elevator upgrading pilot signal, dead-man's handle open signal of push oil cylinder etc., then according to acquisition
Data progress logical process, which finally issues control signal, makes its work to pulling force judgment module, and pulling force judgment module judges current steel
The size of cord pulling force and default value of thrust, and signal input part Y1 is sent control signals to according to judging result.
Hydraulic fluid port A ' is connected with hydraulic fluid port A, and hydraulic fluid port B ' is connected with hydraulic fluid port B, and hydraulic fluid port P is connected with hydraulic fluid port P1, and hydraulic fluid port T and hydraulic fluid port T1 are equal
It is connected with fuel tank；Hydraulic fluid port A " is connected with hydraulic fluid port a, and hydraulic fluid port P3 is connected with hydraulic fluid port P2, and hydraulic fluid port T2 is connected with fuel tank；Collector 11 and letter
Number input terminal I1 is connected, and signal output end O1 is connected with signal input part Y1.
Control valve I 2 has first position and the second position, when control valve I 2 is in first position, hydraulic fluid port A ' and hydraulic fluid port P phase
Connection, hydraulic fluid port B ' are connected to hydraulic fluid port T-phase；When control valve I 2 is in the second position, hydraulic fluid port P, hydraulic fluid port B ', hydraulic fluid port A ' and hydraulic fluid port T it
Between be not connected to mutually.
When signal input part Y1 input signal, hydraulic fluid port A " is connected with hydraulic fluid port P3, and control valve I 2 is in first position；Signal
When input terminal Y1 power loss, hydraulic fluid port A " is not connected to hydraulic fluid port P3, and control valve I 2 is in the second position.
The operation principle and process of above-mentioned control system is as follows:
As shown in figure 5, the safety condition judgment module in controller 10 judges whether current device meets peace when soil is grabbed in grab bucket
Full condition, the program stopped if being unsatisfactory for, not adjusts；Further if meeting, pulling force detector 11 acquires current steel at this time
The pulling force F of cordX, the pulling force judgment module in controller 10 calculates the preset pressure F of current wirerope0With current pulling force FX's
Pulling force difference Δ F, if Δ F≤0, program determination；If Δ F > 0, controller 10 exports control electric current and gives signal input part Y1,
Control valve II 8 opens work at this time.The pressure oil that hydraulic pump II 9 pumps out is come in the hydraulic fluid port a of control valve I 2 by control valve II 8
Control valve I 2 is set to be in first position, hydraulic fluid port hydraulic fluid port A ' is connected with hydraulic fluid port P at this time, and hydraulic fluid port B ' is connected to hydraulic fluid port T-phase.Hydraulic pump
I 4 pressure oils pumped out enter the hydraulic fluid port A of motor 1 by control valve I 2, then return to fuel tank by hydraulic fluid port B, this process makes horse
Bucket body is driven to rise up to 1 work.When lineoutofservice signal pull increases to Δ F≤0, control valve I 2 is restored to the second position.The mistake
Journey constantly recycles the automatic correction for realizing bucket body.
Safety condition includes: whether grab claw is in Construction Mode, and whether bucket valve is being closed, and whether hoisting system has liter
Pilot signal drops, and whether dead-man's handle is opened；Above- mentioned information are by different acquisition port data acquisitions, and by controlling
Safety condition judgment module in device 10 judges.Only when equipment is in, Construction Mode, valve is being closed bucket, elevator is without liter
Drop pilot signal, dead-man's handle the states such as open when being provided simultaneously with, and safety condition, which is only, to be had, and otherwise safety condition does not have
It is standby.
As a supplement example of embodiment one, control valve I 2 also has signal input part I3, and controller 10 has signal
Output end O2, signal output end O2 are electrically connected with signal input part I3, and signal output end O2, which issues signal, makes signal input part I3
Obtain electric so that controlling control valve I 2 is in the third place, hydraulic fluid port A ' at this time is connected to hydraulic fluid port T-phase, and hydraulic fluid port B ' is connected with hydraulic fluid port P
Logical, motor 1 rotates forward at this time.
In the present embodiment, the control mode of control valve I 2 is electro-hydraulic mixing, and control signal is the pressure that hydraulic pump II 9 pumps out
The electric signal that the pressure and controller 10 of oil issue.Control valve II 8 is proportioning valve, also has hydraulic fluid port T3, hydraulic fluid port T3 and fuel tank
It is connected and carries out oil return.As shown in fig. 6, proportioning valve can control pressure oil size according to size of current, electric current I is controlledXWith pulling force
Poor Δ F is proportional, and pulling force difference Δ F is bigger, proportional valve control currents IXIt is bigger.
Embodiment two
As shown in figure 3, the difference is that, in the embodiment, the positive and negative rotation of motor 1 can also be by controlling manually with embodiment one
System is completed.Hoist motor control system further includes hydraulic control handle 5 and shuttle valve II 3.
Hydraulic control handle 5 has action input portion N2, hydraulic fluid port P4 and hydraulic fluid port C2；Shuttle valve II 3 has hydraulic fluid port a ', hydraulic fluid port b ' and oil
Mouth c '.Hydraulic fluid port P4 is connected with hydraulic fluid port P2, and hydraulic fluid port C2 is connected with hydraulic fluid port b ', and hydraulic fluid port A " is connected with hydraulic fluid port a ', hydraulic fluid port c ' and hydraulic fluid port a phase
Even, hydraulic fluid port T2 is connected with fuel tank.
When action input portion N2 is operated, hydraulic fluid port P4 is connected with hydraulic fluid port C2, and control valve I 2 is in first position；It acts defeated
When entering portion N2 and not operated, hydraulic fluid port P4 is not connected to hydraulic fluid port C2, and control valve I 2 is in the second position.Signal input part Y1 input letter
Number when, hydraulic fluid port A " is connected with hydraulic fluid port P3, and control valve I 2 is in first position；When signal input part Y1 power loss, hydraulic fluid port A " and oil
Mouth P3 is not connected to, and control valve I 2 is in the second position.
Control method in the present embodiment is the same as example 1, therefore is not repeated.
As a preference of embodiment two, hydraulic control handle 5 is used as pilot oil source, therefore also has hydraulic fluid port T4, hydraulic fluid port
T4 is connected to realize oil return with fuel tank.
As a supplement example of embodiment two, hydraulic control handle 5 also has action input portion N1 and hydraulic fluid port C1；Control valve I 2
Also there is hydraulic fluid port b；Hydraulic fluid port C1 is connected with hydraulic fluid port b；Control valve I 2 also has the third place, when being in the third place, hydraulic fluid port A '
It is connected to hydraulic fluid port T-phase, hydraulic fluid port B ' is connected with hydraulic fluid port P.When action input portion N1 is operated, hydraulic fluid port P4 is connected with hydraulic fluid port C1,
Control valve I 2 is in the third place；When action input portion N2 is not operated, hydraulic fluid port P4 is not connected to hydraulic fluid port C2, and control valve I 2 is in
The second position.Manually controlling to two processes of raising and lowering of bucket body can be fully achieved by above-mentioned control.
As a preference of embodiment two, hoist motor control system further includes shuttle valve I 7 and pressure switch 7, shuttle valve
I 7 have hydraulic fluid port a ", hydraulic fluid port b " and hydraulic fluid port c "；Pressure switch 7 has detection mouth.Controller 10 also has signal input part I2, letter
Number input terminal I2 is connected with the signal output end of pressure switch 7, and hydraulic fluid port a " is connected with hydraulic fluid port C2, and hydraulic fluid port b " is connected with hydraulic fluid port C1,
Hydraulic fluid port c " is connected with detection mouth.Pilot pressure is detected by pressure switch 7, to realize in safety condition whether is hoisting system
There are the acquisition and judgement of lifting pilot signal.Hydraulic control handle 5 is hydraulic control handle controller, action input portion N1 and action input portion
N2 is different operation handle.
It is the same as example 1, the control mode of control valve I 2 is still hydraulic control.
Embodiment three
As shown in figure 4, the difference is that, in the present embodiment, hoist motor control system includes motor 1, liquid with embodiment one
Press pump I 4 and control valve I 2；Regulating device includes pulling force detector 11 and controller 10.Motor 1 has hydraulic fluid port A and hydraulic fluid port B；Liquid
Press pump I 4 has hydraulic fluid port P1 and hydraulic fluid port T1；Control valve I 2 has signal input part I2, hydraulic fluid port A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；
Pulling force detector 11 is for acquiring lineoutofservice signal pull；Controller 10 has signal input part I1, signal output end O1, pulling force judgement
Module and safety condition judgment module.
Hydraulic fluid port A ' is connected with hydraulic fluid port A, and hydraulic fluid port B ' is connected with hydraulic fluid port B, and hydraulic fluid port P is connected with hydraulic fluid port P1, and hydraulic fluid port T and hydraulic fluid port T1 are equal
It is connected with fuel tank.Control valve I 2 has first position and the second position, when control valve I 2 is in first position, hydraulic fluid port A ' and hydraulic fluid port
P is connected, and hydraulic fluid port B ' is connected to hydraulic fluid port T-phase；When control valve I 2 is in the second position, hydraulic fluid port P, hydraulic fluid port B ', hydraulic fluid port A ' and hydraulic fluid port T
Between be not connected to mutually.
Signal output end O1 is connected with signal input part I2；Pulling force detector 11 is connected with signal input part I1；Signal is defeated
After entering to hold I1 to input pulling force signal, the pulling force judgment module in controller 10 judges the size of current pulling force Yu default pulling force, and
Signal input part I2 is sent control signals to by signal output end O1 when current pulling force is less than default pulling force, at this time control valve I 2
In first position；Otherwise signal input part I2 no signal inputs, and control valve I 2 is in the second position.It can be seen that control valve I
2 be electrically-controlled valve, is directly commutated by electric signal, realizes the promotion control of bucket body.
As a supplement example of embodiment three, controller 10 also has signal output end O2；Control valve I 2 also has letter
Number input terminal I3, signal output end O2 are connected with signal input part I3；Control valve I 2 also has the third place, is in third position
When setting, hydraulic fluid port A ' is connected to hydraulic fluid port T-phase, and hydraulic fluid port B ' is connected with hydraulic fluid port P；After signal input part I1 inputs positive rotaring signal, control
Valve I 2 is in the third place, and the rotating forward of motor 1 at this time declines equipment.
In the present embodiment, the control mode of control valve I 2 is electric signal automatically controlled, that control signal issues for controller 10.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of winding steel wire rope automatic tension control system, comprising:
Hoist motor control system realizes lower section and the winding of wirerope for controlling motor (1) positive and negative rotation；
It is characterized by also including:
Regulating device；
The regulating device can issue adjustment signal when current lineoutofservice signal pull is less than default pulling force；The hoist motor control
System processed can control the motor (1) after receiving the adjustment signal and invert.
2. a kind of winding steel wire rope automatic tension control system according to claim 1, it is characterised in that:
The hoist motor control system includes:
Motor (1), with hydraulic fluid port A and hydraulic fluid port B；
Hydraulic pump I (4), with hydraulic fluid port P1 and hydraulic fluid port T1；And
Control valve I (2), with hydraulic fluid port a, hydraulic fluid port A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；
The hydraulic fluid port A ' is connected with the hydraulic fluid port A, and the hydraulic fluid port B ' is connected with the hydraulic fluid port B, the hydraulic fluid port P and the hydraulic fluid port P1
It is connected, the hydraulic fluid port T and the hydraulic fluid port T1 are connected with fuel tank；
After the hydraulic fluid port a has pressure oil effect, the hydraulic fluid port A ' is connected with the hydraulic fluid port P, the hydraulic fluid port B ' and the hydraulic fluid port T
It is connected, the hydraulic pump I (4) drives the motor (1) to invert to the hydraulic fluid port A pump oil；The hydraulic fluid port a no pressure oil is made
Used time is not connected to mutually between the hydraulic fluid port P, the hydraulic fluid port B ', the hydraulic fluid port A ' and the hydraulic fluid port T；
The regulating device includes:
Hydraulic pump II (9), with hydraulic fluid port P2 and hydraulic fluid port T2；
Control valve II (8), with signal input part Y1, hydraulic fluid port A " and hydraulic fluid port P3；
Pulling force detector (11)；And
Controller (10) has signal input part I1, signal output end O1 and pulling force judgment module；
The hydraulic fluid port A " is connected with the hydraulic fluid port a, and the hydraulic fluid port P3 is connected with the hydraulic fluid port P2, the hydraulic fluid port T2 and the fuel tank
It is connected；The signal output end of the pulling force detector (11) is connected for by current lineoutofservice signal pull with the signal input part I1
Signal is sent to the controller (10), and the signal output end O1 is connected with the signal input part Y1；
The pulling force judgment module issues current signal, the letter after capable of being less than default pulling force judging current lineoutofservice signal pull
After number input terminal Y1 inputs the current signal, the hydraulic fluid port A " is connected with the hydraulic fluid port P3, and the control valve II (8) has pressure
Power oil exports and acts on the hydraulic fluid port a；When the signal input part Y1 no signal inputs, the hydraulic fluid port A " and the hydraulic fluid port P3
It is not connected to, control valve II (8) the no pressure oil output.
3. a kind of winding steel wire rope automatic tension control system according to claim 2, it is characterised in that:
The hoist motor control system further include:
Hydraulic control handle (5), with action input portion N2, hydraulic fluid port P4 and hydraulic fluid port C2；And
Shuttle valve II (3), with hydraulic fluid port a ', hydraulic fluid port b ' and hydraulic fluid port c '；
The hydraulic fluid port P4 is connected with the hydraulic fluid port P2, and the hydraulic fluid port C2 is connected with the hydraulic fluid port b ', the hydraulic fluid port A " and the oil
Mouth a ' is connected, and the hydraulic fluid port c ' is connected with the hydraulic fluid port a, and the hydraulic fluid port T2 is connected with the fuel tank；
After the action input portion N2 input action, the hydraulic fluid port P4 is connected with the hydraulic fluid port C2, and the hydraulic control handle (5) has
Pressure oil exports and acts on the hydraulic fluid port a；When the action input portion N2 is not operated, the hydraulic fluid port P4 and the hydraulic fluid port C2
It is not connected to, hydraulic control handle (5) the no pressure oil output.
4. a kind of winding steel wire rope automatic tension control system according to claim 3, it is characterised in that:
The hydraulic control handle (5) also has action input portion N1 and hydraulic fluid port C1；The control valve I (2) also has hydraulic fluid port b；
When the control valve I (2) has hydraulic fluid port b, the hydraulic fluid port C1 is connected with the hydraulic fluid port b；When the hydraulic fluid port b is under pressure
After oil effect, the hydraulic fluid port A ' is connected to the hydraulic fluid port T-phase, and the hydraulic fluid port B ' is connected with the hydraulic fluid port P, the hydraulic pump I
(4) to the hydraulic fluid port B pump oil to drive the motor (1) to rotate forward；
After the action input portion N1 input action, the hydraulic fluid port P4 is connected with the hydraulic fluid port C1, and the hydraulic control handle (5) has
Pressure oil exports and acts on the hydraulic fluid port b；When the action input portion N2 is not operated, hydraulic control handle (5) no pressure
Oil output.
5. a kind of winding steel wire rope automatic tension control system according to claim 4, it is characterised in that:
The hoist motor control system further include:
Shuttle valve I (7), with hydraulic fluid port a ", hydraulic fluid port b " and hydraulic fluid port c "；And
Pressure switch (7), with detection mouth；
The controller (10) also has signal input part I2, the signal of the signal input part I2 and the pressure switch (7)
Output end be connected, the hydraulic fluid port a " is connected with the hydraulic fluid port C2, and the hydraulic fluid port b " is connected with the hydraulic fluid port C1, the hydraulic fluid port c " and
The detection mouth is connected.
6. a kind of winding steel wire rope automatic tension control system according to claim 1, it is characterised in that:
The hoist motor control system includes:
Motor (1), with hydraulic fluid port A and hydraulic fluid port B；
Hydraulic pump I (4), with hydraulic fluid port P1 and hydraulic fluid port T1；And
Control valve I (2), with signal input part I2, hydraulic fluid port A ', hydraulic fluid port B ', hydraulic fluid port P and hydraulic fluid port T；
The hydraulic fluid port A ' is connected with the hydraulic fluid port A, and the hydraulic fluid port B ' is connected with the hydraulic fluid port B, the hydraulic fluid port P and the hydraulic fluid port P1
It is connected, the hydraulic fluid port T and the hydraulic fluid port T1 are connected with fuel tank；
The signal input part I2 have signal input after, the hydraulic fluid port A ' is connected with the hydraulic fluid port P, the hydraulic fluid port B ' with it is described
The connection of hydraulic fluid port T-phase, the hydraulic pump I (4) drive the motor (1) to invert to the hydraulic fluid port A pump oil；The signal input part
When I2 no signal is defeated, it is not connected to mutually between the hydraulic fluid port P, the hydraulic fluid port B ', the hydraulic fluid port A ' and the hydraulic fluid port T；
The regulating device includes:
Pulling force detector (11)；And
Controller (10) has signal input part I1, signal output end O1 and pulling force judgment module；
The signal output end O1 is connected with the signal input part I2；The signal output end of the pulling force detector (11) and institute
Signal input part I1 is stated to be connected for current lineoutofservice signal pull signal to be sent to the controller (10)；
The pulling force judgment module issues current signal to described after capable of being less than default pulling force judging current lineoutofservice signal pull
Signal input part I2.
7. a kind of winding steel wire rope automatic tension control system according to claim 6, it is characterised in that:
The controller (10) also has signal output end O2；The control valve I (2) also has signal input part I3, the letter
Number output end O2 is connected with the signal input part I3；The signal input part I3 inputs the rotating forward that the controller (10) issues
After signal, the hydraulic fluid port A ' is connected to the hydraulic fluid port T-phase, and the hydraulic fluid port B ' is connected with the hydraulic fluid port P；The hydraulic pump I (4)
To the hydraulic fluid port B pump oil to drive the motor (1) to rotate forward.
8. according to a kind of any winding steel wire rope automatic tension control system of claim 2 to 7, it is characterised in that:
The controller (10) further includes safety condition judgment module, and the safety condition judgment module can acquire current working
And control signal is issued after having safety condition makes the pulling force judgment module work.
9. a kind of diaphragm wall grab machine, it is characterised in that:
Including a kind of winding steel wire rope automatic tension control system according to claim 1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097085.4A CN109208672B (en) | 2018-09-20 | 2018-09-20 | Automatic tensioning control system for winch steel wire rope and continuous wall grab bucket machine |
| PCT/CN2019/097778 WO2020057254A1 (en) | 2018-09-20 | 2019-07-25 | Hoisting steel wire rope automatic tensioning control system and diaphragm wall grab bucket machine |
| SG11202102843PA SG11202102843PA (en) | 2018-09-20 | 2019-07-25 | Automatic tensioning control system for hoisting wire rope and diaphragm wall grab machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097085.4A CN109208672B (en) | 2018-09-20 | 2018-09-20 | Automatic tensioning control system for winch steel wire rope and continuous wall grab bucket machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109208672A true CN109208672A (en) | 2019-01-15 |
| CN109208672B CN109208672B (en) | 2020-11-24 |
Family
ID=64984894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811097085.4A Active CN109208672B (en) | 2018-09-20 | 2018-09-20 | Automatic tensioning control system for winch steel wire rope and continuous wall grab bucket machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109208672B (en) |
| SG (1) | SG11202102843PA (en) |
| WO (1) | WO2020057254A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805088A (en) * | 2019-11-12 | 2020-02-18 | 江苏徐工工程机械研究院有限公司 | Underground continuous wall construction device |
| WO2020057254A1 (en) * | 2018-09-20 | 2020-03-26 | 徐州徐工基础工程机械有限公司 | Hoisting steel wire rope automatic tensioning control system and diaphragm wall grab bucket machine |
| CN114476995A (en) * | 2022-01-07 | 2022-05-13 | 北京三一智造科技有限公司 | Double-winch hydraulic control system, operating machine and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897640A (en) * | 1971-05-12 | 1975-08-05 | Cmi Corp | Excavator, conveyor and conveyor control apparatus |
| EP1288376A2 (en) * | 2001-08-31 | 2003-03-05 | Vermeer Manufacturing Company | Excavation apparatus |
| CN101666106A (en) * | 2009-09-21 | 2010-03-10 | 北京市三一重机有限公司 | Continuous wall grab chute forming machine |
| CN105113563A (en) * | 2015-08-14 | 2015-12-02 | 徐州徐工基础工程机械有限公司 | Double winch control system of continuous wall grab bucket and control method of double winch control system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0141054B1 (en) * | 1994-10-11 | 1999-02-18 | 송경섭 | Device for tensing wire in prestressed concrete work |
| JP4602263B2 (en) * | 2006-02-17 | 2010-12-22 | 株式会社関電工 | Method of moving overhead transmission lines while constantly applying a constant load |
| CN202370020U (en) * | 2011-11-24 | 2012-08-08 | 北京市三一重机有限公司 | Continuous wall grabbing machine pipe rolling device reel transmission mechanism and continuous wall grabbing machine |
| CN103523701B (en) * | 2013-10-28 | 2016-04-13 | 北京南车时代机车车辆机械有限公司 | Multireel raises synchronous control method and control system |
| CN204099302U (en) * | 2014-09-01 | 2015-01-14 | 北京市三一重机有限公司 | Rotary drilling rig master winch floating type controlled system and rotary drilling rig |
| CN109208672B (en) * | 2018-09-20 | 2020-11-24 | 徐州徐工基础工程机械有限公司 | Automatic tensioning control system for winch steel wire rope and continuous wall grab bucket machine |
-
2018
- 2018-09-20 CN CN201811097085.4A patent/CN109208672B/en active Active
-
2019
- 2019-07-25 SG SG11202102843PA patent/SG11202102843PA/en unknown
- 2019-07-25 WO PCT/CN2019/097778 patent/WO2020057254A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897640A (en) * | 1971-05-12 | 1975-08-05 | Cmi Corp | Excavator, conveyor and conveyor control apparatus |
| EP1288376A2 (en) * | 2001-08-31 | 2003-03-05 | Vermeer Manufacturing Company | Excavation apparatus |
| CN101666106A (en) * | 2009-09-21 | 2010-03-10 | 北京市三一重机有限公司 | Continuous wall grab chute forming machine |
| CN105113563A (en) * | 2015-08-14 | 2015-12-02 | 徐州徐工基础工程机械有限公司 | Double winch control system of continuous wall grab bucket and control method of double winch control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057254A1 (en) * | 2018-09-20 | 2020-03-26 | 徐州徐工基础工程机械有限公司 | Hoisting steel wire rope automatic tensioning control system and diaphragm wall grab bucket machine |
| CN110805088A (en) * | 2019-11-12 | 2020-02-18 | 江苏徐工工程机械研究院有限公司 | Underground continuous wall construction device |
| CN114476995A (en) * | 2022-01-07 | 2022-05-13 | 北京三一智造科技有限公司 | Double-winch hydraulic control system, operating machine and control method |
| CN114476995B (en) * | 2022-01-07 | 2022-12-30 | 北京三一智造科技有限公司 | Double-winch hydraulic control system, operating machine and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| SG11202102843PA (en) | 2021-04-29 |
| WO2020057254A1 (en) | 2020-03-26 |
| CN109208672B (en) | 2020-11-24 |
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