CN206245312U - Screw pile machine intelligent electric control system - Google Patents
Screw pile machine intelligent electric control system Download PDFInfo
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- CN206245312U CN206245312U CN201621364688.2U CN201621364688U CN206245312U CN 206245312 U CN206245312 U CN 206245312U CN 201621364688 U CN201621364688 U CN 201621364688U CN 206245312 U CN206245312 U CN 206245312U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model is related to a kind of screw pile machine intelligent electric control system, it passes through to access the photoelectric encoder of electric-control system, travel switch and pulling force sensor make detection feedback, and treatment is programmed to feedback in electric-control system, can be with VFC mode Synchronization Control elevator motor, back-pressure motor, variable-frequency motor one, the coordinated operation of variable-frequency motor two, so as to the relativeness between the rotary speed and elevator motor speed of constantly regulate threaded drillpipe, it can reduce artificial unfavorable factor influence, reduce labour intensity, the internal thread quality of formation is good, drilling quality stabilization, efficiency of construction is high, drive device fault rate is low, it is easy to safeguard；After setting up and being connected by wireless communication module and pump truck, easily construction parameter can be recorded, be transferred, be realized effectively supervision, can in time be found engineering problem, and be remedied in time, be eliminated hidden dangers in project；After access network cloud system, it is convenient for remote supervisory, safeguards, inquiry construction historical record.
Description
Technical field
The utility model is related to engineering construction field of construction machinery, and in particular to be a kind of screw pile machine intelligent electric
Control system.
Background technology
Highroad, railway, multilayer or skyscraper, require strict basement process, appropriate load-bearing pile foundation, with
Building is carried, and prevents the injury to building that earthquake etc. brings.Typically can be using prefabricated pile and bored concrete pile as load-bearing
Pile foundation.But prefabricated pile can only the appropriate pile foundation of precast length, further according to reality the need for dock, the stake of docking is for pile body transverse direction
Bearing capacity very little, tend to dislocation, only longitudinal up and down bearing capacity, and piling the docking operation expense that wastes time and energy and expect, into
This is very high.
Bored concrete pile has two kinds of construction methods of secondary pile and a pile, and secondary pile is to be drilled to stake holes in long-spiral drilling machine
Afterwards, extract rig and leave emptying aperture, then to the emptying aperture concrete perfusion while the pile that vibrates.This pile making method must assure that institute
The hole not necking down of brill, do not cave in, therefore cannot be constructed below level of ground water or when soil layer is loose, it is had very much using scope
Limit.Pile is shut down after long-spiral drilling machine gets into projected depth, pump delivering concrete is used, by hollow auger stem
To the discharging opening of drill bit, pressure injection concrete is carried out, and synchronization onwards pull out auger stem pile.This pile mode it is in office when
Waiting bored Kong Jun does not have vacant, so in the absence of the problem of borehole collapse, can be applied to the bored concrete pile of various geological conditions.
Screw rod pile is a kind of half Squeezing Soil Pile, occur that protuberance phenomenon is small through experimental results demonstrate, its pile soil body, do not fetch earth,
Noise is small, is a kind of wide new-type stake of adaptation.But because the deficiency of its electronic control is, it is necessary to rope speed is put in artificial control
Degree, the internal thread that stake holes is hardly formed, particularly screw thread straight section are difficult to be precisely controlled.Therefore behaviour is not only needed during constructing operation
Making personnel has expertly operative skill, and to consume larger operation muscle power, and construction quality is unstable.Additionally, at present to spiral shell
The type of drive major part of line drilling rod uses DC control, and fault rate is high, it is necessary to often maintenance, can significantly impact construct into
Degree, constructs, or even the construction cannot be carried out particularly under rugged environment.
In addition, because lacking necessary monitoring and detection means to construction work process and construction quality at present, applying
Often exist during work because operating personnel are lazy, follow the line of least resistance, to shift to an earlier date power cut-off, during caused construction grouting quantity it is not enough,
The qualitative problems of construction such as grouting pressure is low, punching depth as shallow, and due to cannot to work progress in each index parameter carry out
Record, so the construction quality situation of each for completing cannot be inquired about, it is impossible to each index parameter of real-time monitoring, is occurring
Cannot be made adjustment in time during parameter problem.So defective in quality stake can not be in time found after construction and when constructing, and
When adopt remedial measures so that construction leave huge potential safety hazard.
Utility model content
The shortcoming of prior art in view of the above, the utility model provides a kind of screw pile machine intelligent electric and controls system
System, its purpose is that internal thread of poor quality, the difficult control of quality and unstable, labor intensity of operating staff are formed when solving piling
Greatly, drive device fault rate is high, often to safeguard, the problem of low construction efficiency.
In order to achieve the above objects and other related objects, the utility model is controlled there is provided a kind of screw pile machine intelligent electric
System, includes the lateral wall of car body platform, the column being located on car body platform, elevator motor, back-pressure motor and the column
Unit head and the threaded drillpipe installed in unit head bottom, the variable-frequency motor one, frequency conversion installed in unit head top that body coordinates
Motor two, and the electric-control system including programming module.The elevator motor and back-pressure motor are frequency conversion type motor.It is preferred that
Ground, the programming module of the electric-control system is Programmable Logic Controller.The variable-frequency motor one, two pairs of threaded bores of variable-frequency motor
The driving of bar such as takes at the laod sharing mode.
The sliding block that can be vertically moved is provided with the inner side wall body of the column；
Be provided with the car body platform and below sliding block photoelectric encoder and with photoelectric encoder coordinate determine cunning
Wheel group one；
Corresponding to the fixed pulley group one coordinated with photoelectric encoder, the fixed pulley for matching is set in the lower end of the sliding block
Group two；
The steel wire rope wound on the winching barrel of the elevator motor the fixed pulley group one and fixed pulley group two it
Between be provided with pulling force sensor in reciprocal winding multi-turn, and steel wire rope between the fixed pulley group one and fixed pulley group two；
Travel switch is provided with the car body platform and the steel between the elevator motor and photoelectric encoder is rided upon
Cord correspondence, detects come the hang to steel wire rope；When the part steel wire rope is tightened up or relaxes sagging, can touch
And the travel switch makes its change state；Travel switch is preferably disposed in this section of centre position of steel wire rope.
The steel wire rope wound on winching barrel under back-pressure motor driving, through being located at the car body platform sinistral end
The lower end of the unit head is fixedly connected on after fixed pulley；
A big back of the body rope is connected between the upper end of the upper end of the sliding block and the unit head, the big back of the body rope is by setting
Fixed pulley at the top of the column；
The elevator motor, back-pressure motor, variable-frequency motor one, variable-frequency motor two, photoelectric encoder, travel switch and pulling force
Sensor accesses the electric-control system.
The above-mentioned screw pile machine intelligent electric control system being related to puts the rope speed (folding and unfolding of i.e. involved steel wire rope
Speed) automatically control.Specifically, the photoelectric encoder of correspondence steel wire rope arrangement, pulling force sensor and travel switch
Putting rope speed, tensing and lax degree for steel wire rope can be monitored, and the signal of monitoring is fed back into electric-control system, automatically controlled
After making programmed process to feedback signal in system, respectively to variable-frequency motor one, variable-frequency motor two, elevator motor and back-pressure motor
Instruction is sent, the action of each motor of synchronization modulation makes the rotary speed of threaded drillpipe form fixed ratio with the speed of elevator motor
The quality for being worth to ensure to form internal thread, the internal thread for having been formed.Back-pressure motor plays according to strata condition to regulate and control to power
The effect of the back-pressure pulling force of head, it is ensured that the internal thread that in particular cases can also automatically form.
Preferably, lower bound range switch is provided with the outside wall body bottom of the column, is provided with inner side wall body bottom
Limit travel switch；The lower bound range switch and upper limit travel switch also access the electric-control system.
Preferably, between the fixed pulley group one and fixed pulley group two wind steel wire rope from it is lower and on sequentially back and forth twine
Around at least ten weeks.
Preferably, the electric-control system is connected to wireless communication module；The wireless communication module and and the threaded bore
The wireless communication module connection set on the pump truck of bar connection；The electric-control system of screw pile machine passes through nothing with the electric-control system of pump truck
Line communication module sets up connection；The electric-control system also includes data memory module.
It is by wireless communication module that the electric-control system of screw pile machine intelligent electric control system is automatically controlled with the feed of pump truck
System is coupled together, and makes that data exchange can be realized therebetween, is easy to that each middle parameter information constructed is supervised and stored,
Beneficial to real-time monitoring, the auto-control realized to feed situation, it is ensured that the promptness of feed, accuracy, construction is helped to ensure that
The reliability of quality, stability.By data memory module to construct various parameters information, such as stock amount, stock it is real-time
Pressure, number of times of stock etc. carry out real-time storage, so also can be by the construction parameter in historical record after the completion of construction
Information intuitively reflects condition of construction.It is possible to realizing postmortem to construction quality, it is to avoid construction hidden danger is present.
Preferably, the electric-control system is connected into the operation module of control room, operation module and data in the electric-control system
Display screen connection in memory module, programming module and control room, display screen can be touch screen, set on a display screen and operation
The contact action interface of module matching.Further, operation module connection is located at the printer in control room, printer
Data memory module in electric-control system is connected into, data that can be in called data memory module by operation module are printed.
After the electric-control system of screw pile machine is connected to the operation module in control room, engineer can control room monitor construction progress,
Change, regulation and control program, to tackle emergency situations in time.
The electric-control system of screw pile machine is connected to control room, and after being connected with pump truck by wireless communication transmission technology,
Can by the various parameters of stock process, such as stock amount, stock real-time pressure, the time of stock, stock number of times parameter it is anti-
On the display screen reflected in operating room.Technical staff can in real time supervise each construction parameter, it is ensured that stock amount, stock time etc.
Technical, accuracy.And occur emergency situations when, can scientific discovery, the remedial measure of reply is taken in time.Can be
Control room realizes the remote control of air exercise material process, it is to avoid dnockout work is neglected, and the dnockout for causing is too early or too late, dnockout amount forbidden
Really situations such as.After connection printer, construction parameter can be recalled and be printed, form paper text entry.
Preferably, the electric-control system has been connected into Ethernet transmitter, with computer and/or mobile phone etc. with network savvy
Electronic equipment sets up network connection, so as to improve its intelligent level, meets long-range, strange land multiple solutions manipulation level.Be connected into
Electric-control system can be set up with long-range computer, mobile phone, panel computer etc. and be connected too after net transmitter, realize multiple terminal operation
Interface manipulates, the convenience that increase is used, and improves Consumer's Experience level.
After access network based on ethernet, by high in the clouds platform transfer function, the real-time operating conditions of screw pile machine and stock it is real-time
Situation (parameter in particularly each running) can realize strange land transmit, engineer can long-range/strange land pass through computer, hand
The electronic equipment such as the machine or panel computer electronic equipment of network savvy (have) monitors work progress, downloads and change
Programming, overcoming maintenance, maintenance must arrive the problem at scene, improve efficiency of construction and emergency capability.For synthesis, by net
Network cloud platform, can in real time understand the situation of screw pile machine, can carry out remotely/strange land by multiple terminal equipment and adjust
Control, programming, maintenance work, accomplish to have at fingertips.
Preferably, the electric-control system is connected to the handover module of automatic operation mode and manual operation mode.
Control method suitable for above-mentioned involved screw pile machine intelligent electric control system is：The variable-frequency motor one with
Variable-frequency motor two controls the rotary speed of threaded drillpipe in the way of grade sharing of load；The external world is subject in the translational speed of unit head
Ambient influnence and when changing, photoelectric encoder, travel switch and pulling force sensor can respectively to the letter in real time of electric-control system feedback one
Number；Electric-control system can be to each letter after receiving the live signal from photoelectric encoder, travel switch and pulling force sensor feedback
Number processed, carried out the real-time rotating speed of synchronization modulation elevator motor and back-pressure motor, and then speed to unit head completes control；
Meanwhile, the real-time speed parameter of unit head is assigned to the frequency conversion of the frequency converter and variable-frequency motor two of variable-frequency motor one through treatment
Device, and then regulate and control the speed of service of variable-frequency motor one and variable-frequency motor two；Make the rotary speed of threaded drillpipe and elevator motor
Rotating speed forms fixed ratio.
By the electric-controlled system of the screw pile machine involved by this patent, have the advantages that operation is simple and reliable.It leads to
Setting control button and the knob on the control box of screw pile machine is crossed, the start-stop and speed of screw pile machine can be respectively controlled
Degree.Under automatic control mode under close-loop control mode setting, after one-key start piling button, electric-control system just can be automatic
Collocation control parameter, the ruuning situation of each motor of synchronization modulation.Under the control of electric-control system, system is according to slope accelerated mode
Setting speed is first accelerated to, with the soft or hard change of landing surface, the elastic change of steel wire rope, winching barrel spool in running
Size variation etc. is all automatically adjusted.With need manual adjustment different at present, it is not necessary to it is each that operating personnel directly stare at viewing
Variable condition is planted, is then made adjustment manually, overcome this artificial construction quality existed under control methods of staring at unstable, do not had
Secure defect.After stake button next time is pressed, electric-control system implements back stake processing routine, screw thread and straight section during stake is returned
Drive piles fully automated completion, it is not required that artificial operation.After being connected into control room, by man-machine interface can set full thread or
Half-thread drills.The elastic change of steel wire rope, size variation of winching barrel spool etc. are also automatic identification during backhaul.Institute
With, the stability of construction quality can not only be ensured by this patent, conveniently realize supervision, inspection after construction progress and construction
Look into, elimination hidden dangers in project, and the work stress of operating personnel can be mitigated, reduce hand labor intensity.
The control method can be specially：
To the allocated device of speed parameter for being scheduled on unit head according to etc. the mode of Control System of Load Distribution give variable-frequency motor one
Frequency converter and the frequency converter of variable-frequency motor two regulate and control the speed of service of variable-frequency motor one and variable-frequency motor two；
Programming module of the live signal that the live signal of travel switch feedback feeds back with pulling force sensor in electric-control system
It is middle by after logical operation process, with photoelectric encoder feedback live signal in the programming module of electric-control system by patrolling
Volume calculation process forms a supplementary variable signal, the supplementary variable signal with give the speed parameter being scheduled on elevator motor automatically controlled
One being formed by logical operation process and being superimposed variable signal, the final superposition variable signal is sent in the programming module of system
Real-time regulation is realized in the frequency converter of elevator motor, the operation to elevator motor；
Programming module of the live signal that the live signal of travel switch feedback feeds back with pulling force sensor in electric-control system
It is middle to send the frequency converter of back-pressure motor to by after logical operation process, forming speed or torque signals, to back-pressure motor
Real-time regulation is realized in operation.
Preferably, unit head and the given speed parameter of elevator motor are divided into and automatically giving and manual setting both of which；
Under the pattern that automatically gives, given speed is unit head speed parameter, and unit head speed parameter is through electric-control system
Programming module formed after variable conversion process the speed preset parameter of elevator motor；
Under manual setting pattern, control gives unit head and elevator motor with respective speed parameter manually respectively.
Preferably, the electric-control system is connected into wireless communication module, makes wireless communication module and and the threaded drillpipe
The pump truck of connection sets up connection by wireless telecommunications means；The parameter that pump truck runs is sent to electric-control system in work progress,
Can be stored and be regulated and controled.
The utility model has the advantages that：
This patent is connected into photoelectric encoder, travel switch and pulling force sensor by electric control part, and uses frequency conversion control
Means processed, synchronization modulation is used for driving the variable-frequency motor one of threaded drillpipe rotation, variable-frequency motor two and for regulating and controlling unit head liter
The elevator motor of drop machine speed and down force pressure, back-pressure motor so that the running of screw pile machine is intelligent, saves operator
The excessive participation of member, reduces its manipulation strength, reduces the unfavorable interference of human factor, can realize being precisely controlled, and what is formed is interior
Screw thread, makes piling quality stabilization, it is ensured that construction speed；VFC is taken in driving to threaded drillpipe, on the one hand beneficial to realization
With elevator motor, the Synchronization Control of back-pressure motor, it is ensured that form the quality and precise control of screw thread, on the other hand can reduce drive
The fault rate of dynamic equipment, reduces maintenance process, beneficial to project progress is ensured, improves efficiency of construction, energy-saving and emission-reduction.
Wireless communication module is also provided with the technical scheme of this patent, it makes the intelligent electric of screw pile machine control system
System can realize interacting for data between pump truck, not reached when requiring in stock amount and stock pressure, can in time find this
Undesirable condition is simultaneously made adjustment, it is ensured that the total quality of construction, eliminates hidden dangers in project, improves piling quality, has been saved and has been safeguarded into
This, reaches the purpose effect of efficient energy-saving.Set up by wireless communication function and control room and be connected, can real time inspection be various applies
Number evidence, can complete monitoring, and by the data storage of needs, print, history of forming record, realize to work progress in having
Effect supervision, when can avoid because workmen is lazy, let alone, being lacking in responsibility, the construction quality hidden danger for leaving cannot be sent out
It is existing, it is impossible to the defect for adopting remedial measures in time, solve constructional deficiency and do not allow detectable problem.
This patent, can remotely or strange land is applied to engineering after high in the clouds plateform system is connected by Ethernet transmitter
The historical record of construction data is supervised, safeguarded, being inquired about to work.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the involved screw pile machine intelligent electric control system of the utility model；
Fig. 2 is photoelectric encoder and fixed pulley group in the involved screw pile machine intelligent electric control system of the utility model
Matching relationship schematic diagram between one；
Fig. 3 is that the VFC mode of the screw pile machine intelligent electric control system involved by the utility model is illustrated
Figure；
Fig. 4 is the system schematic of the involved screw pile machine intelligent electric control system networking control of the utility model.
In figure, 1 car body platform, 11 switch boards, 12 photoelectric encoders, 13 fixed pulley groups one, 14 pulling force sensors, 15 strokes
Switch, 16 controlled in wireless cabinets, 17 Ethernet base station cabinets, 18 control rooms
2 columns, 21 sliding blocks, 22 fixed pulley groups two, 23 lower bound ranges switch, 24 upper limit travel switches
3 elevator motors, 4 back-pressure motors
5 unit heads, 51 variable-frequency motors one, the big back of the body rope of 52 variable-frequency motor two, 53
6 threaded drillpipes, 7 pump trucks
Specific embodiment
Implementation method of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 4.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawing etc., are only used to
Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, be not limited to the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the effect for not influenceing the utility model can be generated and under the purpose to be reached, all should still fall in the utility model
In the range of disclosed technology contents to be covered.Meanwhile, in this specification it is cited as " on ", D score, " left side ",
The term on " right side ", " centre " and " one " etc., is merely convenient to understanding for narration, and it is enforceable to be not used to restriction the utility model
Scope, being altered or modified for its relativeness is enforceable when the utility model is also considered as under without essence change technology contents
Category.
A kind of screw pile machine intelligent electric control system as shown in Figures 1 to 4, includes car body platform 1, is located at car body
Unit head 5 and be arranged on that the outside wall body of column 2, elevator motor 3, back-pressure motor 4 and the column 2 on platform 1 coordinates
The threaded drillpipe 6 of the bottom of unit head 5, the variable-frequency motor 1 installed in the top of unit head 5, variable-frequency motor 2 52, and install
The electric-control system including programming module is provided with switch board 11 on car body platform 1, switch board 11.Preferably, the electricity
The programming module of control system is Programmable Logic Controller.The elevator motor 3 and back-pressure motor 4 are frequency conversion type motor.The change
Laod sharing mode is taken in frequency motor 1, the driving of 2 52 pairs of threaded drillpipes 6 of variable-frequency motor.
The sliding block 21 that can be vertically moved is provided with the inner side wall body of the column 2.
On the car body platform 1 and in the lower section of the sliding block 21, photoelectric encoder 12 and and photoelectric encoder are provided with
The 12 fixed pulley groups 1 for coordinating.Corresponding to the fixed pulley group 1 coordinated with photoelectric encoder 12, under the sliding block 21
End sets the fixed pulley group 2 22 for matching.As shown in Fig. 2 photoelectric encoder 12 coaxially assembles a gear and and fixed pulley group one
The 13 coaxial gear engagements for turning to match somebody with somebody, in the rotation speed change of fixed pulley group 1, the synchronous change of photoelectric encoder 12.
The steel wire rope (being named as steel wire rope A below) wound on the winching barrel of the elevator motor 3, cunning is determined described
Reciprocal winding multi-turn between wheel group 1 and fixed pulley group 2 22, and between the fixed pulley group 1 and fixed pulley group 2 33
Steel wire rope be provided with pulling force sensor 14.
The steel wire rope A wound between the fixed pulley group 1 and fixed pulley group 2 22 from it is lower and on sequentially reciprocal winding
At least ten weeks, to ensure to form larger ratio between the unit sliding stroke of steel wire rope A and the unit sliding stroke of big back of the body rope 53
Value, when preventing elevator motor 3 from driving steel wire rope A quick slidings, big back of the body rope 53 also has larger sliding speed, and makes unit head
It is to reduce transmission speed to move down the winding purpose of excessive velocities, i.e. steel wire rope A between two fixed pulley groups.
Be provided with the car body platform 1 travel switch 15 with ride upon the elevator motor 3 and photoelectric encoder 12 it
Between steel wire rope A correspondence.When part steel wire rope A is tightened up or relaxes sagging, can touch the travel switch 15 makes it
Change stroke state.
The steel wire rope (being named as steel wire rope B below) wound on winching barrel under the driving of back-pressure motor 4, through being located at
The fixed pulley (can also be assembly pulley, and extend laterally steel wire B and back and forth wind many weeks) of the left end of car body platform 1 is solid afterwards
Surely it is connected to the lower end of the unit head 5.
A big back of the body rope 53, the big back of the body rope are connected between the upper end of the upper end of the sliding block 21 and the unit head 5
53 two fixed pulleys by being located at the top of the column 2.The length of big back of the body rope 53 is fixed value.Power are pulled by big back of the body rope 53
First 5 rise movement.
Lower bound range switch 23 is provided with the outside wall body bottom of the column 2, restricted driving is provided with inner side wall body bottom
Cheng Kaiguan 24.The lower bound range switch 23 of setting is acted on unit head 5, prevents unit head 5 from moving down excessively, to being nested with threaded bore
The sleeve of the bottom of bar 6 applies excessive pressure, and sleeve is damaged by pressure.The upper limit travel switch 24 of setting is acted on the sliding block 21,
Purpose is after preventing from being moved on unit head 5 top, big back of the body rope 53 still lifting unit heads 5 upwards, and by the cunning at the top of column 2
Take turns direct compressive strain.
The elevator motor 3, back-pressure motor 4, variable-frequency motor 1, variable-frequency motor 2 52, photoelectric encoder 12, stroke are opened
Close 24, pulling force sensor 14, lower bound range switch 23 and upper limit travel switch 24 accesses the electric-control system.
The travel switch 24 is arranged in the loose Strok mechanism of the rope.The loose Strok mechanism of rope may include support and hinge
Being connected on the pressure arm of pedestal upper end and being provided with jointed shaft and turning spring makes the pressure arm keep down inclined state, the pinch roller peace
Mounted in the free end of the pressure arm, the correspondence of the travel switch 24 is installed in the lower section of the pressure arm.Steel wire rope A after pinch roller by
Space in the support after by it is lower and on be sequentially wrapped in fixed pulley group 1 and fixed pulley group 2 22.Pinch roller to
Push on a steel cord, when the tension of steel wire rope A changes, steel wire rope A is acted on active force on pressure arm by pinch roller,
And pressure arm rotation is ordered about, so as to change compacting state of the pressure arm to travel switch 24.
The side of switch board 11 is provided with the car body platform 1, controlled in wireless cabinet 16 and Ethernet base is also provided with
Stand cabinet 17.
Wireless communication module is provided with controlled in wireless cabinet 16.The electric-control system is connected to wireless communication module.Construction
When, the wireless communication module that the pump truck 7 matched with the screw pile machine intelligent electric control system passes through installation in its control cabinet
Wireless connection can be set up between the wireless communication module being connected into the intelligent electric control system of screw pile machine, the biography of data is realized
The defeated regulation with to electric-control system.The electric-control system is connected into the control room 18 of the right-hand member of car body platform 1 setting, in control room 18
Operation module set up connection, the operation module connects mini-printer.
A receipt can be made a call to per pile by operation module correspondence in control room, the content of receipt record can react stake
Depth and feed situation.So remote monitoring and historical record can highly effective, macroscopical, microcosmic monitoring condition of construction, it is ensured that apply
Working medium amount and construction speed.Remote maintenance can diagnose many electrical equipment of solution scene appearance within the very short time and machinery is asked
Topic, shortens maintenance time and improves operating efficiency.
Wireless communication function is set up by between pump truck 7 and screw pile machine intelligent electric control system, can be by pump truck 7
The amount of slurry for squeezing into threaded drillpipe 6 and the pressure and other parameters for pumping into slurry are sent to the storage in screw pile machine switch board 11 in real time
And processing and control module (storage and processing and control module are contained in electric-control system, realize the exchange of parameter, are easy to Comprehensive Control),
In storage and processing and control module, on the one hand the feed situation of slurry can be recorded, on the other hand can be in stock
When situation is bad, to the control unit feedback command of pump truck 7, stock situation (stock amount and pump pressure etc.) is adjusted in time,
So as to improve engineering construction quality well (parameter threshold such as stock amount, pump pressure sets by programming).Which solve mesh
Flow and pressure sensor device difficulty are set on the preceding pipeline between pump truck 7 and threaded drillpipe 6, are easily damaged (because pipeline
Flexible, be often subject to bending) problem.Various parameters can be watched by the touch screen in operating room in operation module,
After operation module connection mini-printer, the construction work parameter of work progress and needs can be printed.Contribute to prison
Pipe, unqualified or of poor quality so as to be prevented effectively from the engineering construction quality that human factor causes, constructional deficiency is not easy to find
Problem.
Ethernet transmitter is provided with Ethernet base station cabinet 17.The electric-control system has been connected into Ethernet transmitter.
After adding Ethernet transmitter, help to realize remote supervisory, control.Strange land monitoring construction historical record and long-range can be realized
The functions such as maintenance.
Monitoring system and print small ticket function that high in the clouds platform based on Ethernet is formed, very effective can monitor and beat
Quality of pile.Because being on the ground the quality that can't see stake formation after having played stake, it is not deep enough stake such as occur, and feed not in time, is supplied
Expect inadequate etc., easily form broken pile, hang the unqualified stake such as stake, even if sampling is done static pressure and also not necessarily found out, this can be to whole
Engineering buries great hidden danger, and this hidden danger cannot be eliminated.As above scheme is formed down cloud monitoring system and beat
Print function, all data to constructing are recorded, and can at any time transfer the construction data letter of random time section, any stake
Breath, can whole process review monitoring construction quality, workman can be made lazy easily, slack, even if there is a problem, also can group in time
Adopted remedial measures in weaver forces, can multiply a machine nearby carries out benefit measure.
The electric-control system is connected to the handover module of automatic operation mode and manual operation mode.
A kind of control method based on above-mentioned involved screw pile machine intelligent electric control system：
The variable-frequency motor one described in this control method controls threaded bore with variable-frequency motor two in the way of grade sharing of load
The rotary speed of bar.
In the translational speed of unit head (such as soft or hard change on stratum, soil layer soil property situation, drilling is influenceed by external environment
The combined influence of the multiple factors such as depth) change when.If unit head is when moving down speed and becoming big, big back of the body rope (length is definite value) phase
The fixed pulley sliding speed at the top of column 2 can become big, (because the speed of elevator motor is not adjusted also in time, also locate
The rotary regimes that state before becoming greatly with unit head speed is adapted) it is arranged on fixed pulley group 1 and fixed pulley group 2 22
Between the pulling force that bears of steel wire rope A mutually strain greatly, and then make the transducing signal of the pulling force sensor 14 being arranged on steel wire rope A
Change is produced, and now steel wire rope A changes with respect to two sliding speeds of fixed pulley group 13,22, and make photoelectric encoder 12
Produce change；Travel switch 15 degree of sag of the correspondence below steel wire rope A is varied from, and the state of travel switch 15 also can
Change.Pulling force sensor 14, photoelectric encoder 12 and travel switch 15 can enter after variable condition is detected to electric-control system
Row feedback, after electric-control system receives the signal of feedback, is processed each feedback information by operation program prepared in advance,
And regulation is synchronized to elevator motor 3, back-pressure motor 4, variable-frequency motor 1 and 2 52 4 motors of variable-frequency motor.Make elevator
The rotating speed of motor 3 is improved, and is accelerated the outer of steel wire rope A and is put speed, reduces the pulling force that steel wire rope A bears；Back-pressure electricity, 4 rotating speeds are improved,
Steel wire rope B under avoiding back-pressure motor 4 from driving is because the speed that moves down of unit head 5 becomes greatly and overrelaxation；Elevator motor 3 and anti-
The change of the speed of Medium-voltage Motor 4, can cause the speed parameter of unit head 5 to change again；Transmitted through treatment after the change of the speed parameter of unit head 5
To the frequency converter in the frequency converter in variable-frequency motor 1 and variable-frequency motor 2 52, and make variable-frequency motor 1 and variable-frequency motor two
52 rotation speed change, makes the rotating speed of threaded drillpipe 6 be adapted to ensure the screwed hole quality for drilling with the speed of unit head 5.
So being continually changing with the speed parameter of work progress unit head 5, photoelectric encoder 12, travel switch 15 and drawing
Force snesor 14 can feed back the live signal under a corresponding state to electric-control system respectively；Electric-control system is received to be compiled from photoelectricity
Each live signal can be processed after the live signal of code device 12, travel switch 15 and the feedback of pulling force sensor 14, for adjusting
The real-time rotating speed of control elevator motor 3 and back-pressure motor 4, and then to the velocity interpolation control of unit head 5.Such as treated in threaded drillpipe 6
When the stratum of brill is hardened, unit head 5 moves down speed and can slow down, and the slip of the relative pulleys of big back of the body rope 53 slows down, steel wire rope A because
The rotating speed of elevator motor 3 does not change in time, and its be between photoelectric encoder 12 and elevator motor 3 section sagging can be oppressed
Steel wire rope A, makes the state of travel switch 15 change, while the transducing signal of pulling force sensor 14 also changes, photoelectricity
The transmission speed that encoder 12 detects steel wire rope A is slack-off and fed back this signal.Travel switch 15, pulling force sensor
14 and the signal of the feedback of photoelectric encoder 12, after being processed through electric-control system, gained signal will be processed and be conveyed to the change of elevator motor 3
Frequency device, and then adjust the rotating speed of elevator motor 3；And the lower pressure side bored of the now needs of threaded drillpipe 6 increase can normally bore
Hole, so the rotating speed that electric-control system can adjust back-pressure motor 4 by the signal for feeding back makes its tense wire rope B, and to unit head 5
Apply downward pulling force, this is also the main purpose that back-pressure motor 4 is set herein.
Travel switch 15 has automatic reset structure, and with multiple stroke states.Such as when steel wire rope B is lax, steel wire
Rope B can oppress travel switch and be at being forced to state one and (can be opened stroke according to the difference of the lax degree of sag of steel wire rope B
The state that is forced to closed is set as multistage, can be named as the state of being forced to, be forced to state two, and the like), when steel wire rope B quilts
Stretching makes, and it eliminates the compressing to travel switch, and travel switch then automatically resets to original state.
The real-time speed parameter of unit head 5 is assigned to the frequency converter and variable-frequency motor 2 52 of variable-frequency motor 1 through treatment
Frequency converter, the speed of service of variable-frequency motor 1 and variable-frequency motor 2 52 is regulated and controled in turn to adjust the rotation of threaded drillpipe 6
Speed；It is final the rotary speed of threaded drillpipe 6 is formed fixed ratio with the rotating speed of elevator motor 3 come in ensureing that punching is formed
Screw thread.
In this patent, code synchronism controls four operations of motor, it is ensured that the translational speed of unit head 5, threaded drillpipe 6 revolve
Pull-up that rotary speed and unit head 5 are subject to, drop-down active force are coordinated, and to adapt to the punching situation being continually changing, can guarantee that and beat
The internal thread that hole is formed.And make simple to operate, and eliminate the reliance on operating personnel and supervise in real time, regulate and control, just can complete high-quality
Punching construction.Relative to DC control, this VFC means solve that fault rate is high, the big problem of maintenance difficulties.This
Outward, it is necessary to explanation, in electric-control system, may also set up conventional publish in instalments protection, overload protection, blower fan protection and overheat and protect
The protection location modules such as shield.
Be illustrated in figure 3 electric-control system complete coding-control a kind of control block diagram, from diagram in,
To the allocated device of speed parameter for being scheduled on unit head according to etc. the mode of Control System of Load Distribution give variable-frequency motor one
Frequency converter and the frequency converter of variable-frequency motor two regulate and control the speed of service of variable-frequency motor one and variable-frequency motor two, and then control
The rotary speed of threaded drillpipe.
Programming module of the live signal that the live signal of travel switch feedback feeds back with pulling force sensor in electric-control system
It is middle by after logical operation process, with photoelectric encoder feedback live signal in the programming module of electric-control system by patrolling
Volume calculation process forms a supplementary variable signal, the supplementary variable signal with give the speed parameter being scheduled on elevator motor automatically controlled
One being formed by logical operation process and being superimposed variable signal, the final superposition variable signal is sent in the programming module of system
The frequency converter of elevator motor, adjusts the operation of elevator motor.
Programming module of the live signal that the live signal of travel switch feedback feeds back with pulling force sensor in electric-control system
It is middle to form speed or torque signals send the frequency converter of back-pressure motor to by after logical operation process, and adjust back-pressure electricity
The operation of machine.
In Fig. 3, the given speed parameter of unit head and elevator motor is divided into and automatically giving and manual setting both of which：
Under the pattern that manual setting parameter is controlled, control system uses opened loop control.
Under the pattern that automatically gives, given speed is unit head speed parameter, and unit head speed parameter is through electric-control system
Programming module formed after variable conversion process the speed preset parameter of elevator motor.It is controlled parameter is automatically given
Pattern under, control system uses closed-loop control.
Under manual setting pattern, control gives unit head and elevator motor with respective speed parameter manually respectively.
Electric-control system is connected into wireless communication module, make wireless communication module with and the pump truck that is connected of threaded drillpipe pass through nothing
Line means of communication sets up connection.Pump truck is run parameter (such as brill of stock amount, stock pressure, threaded drillpipe in work progress
Hole depth etc.) electric-control system is sent to, and stored.Certainly, as current routine techniques, when reference record is carried out,
To match the recording parameters corresponding time point to indicate with the clock module in electric-control system, and the data of record will
(it is intended to be set first in advance by the programming module in electric-control system) under the pile No. of each stake with correspondence.
In this patent, what electric-control system was taken is Frequency Drive Control mode, frequency conversion drive bus marco.In the absence of biography
System hvdc control mode fault rate is high, it is necessary to often safeguard, adverse circumstances short life, or even the drawbacks of cannot work.Direct current
Machine has open commutation copperhead carbon brush configuration and fan radiating system, it is necessary to have speed measuring device.In corrosive gas environment
The copperhead life-span is very short, rains heavily and especially wet weather can not all construct, if construction can cause carbon brush sparking short trouble.
Copperhead carbon brush must periodic maintenance.Motor upper end tachometer generator needs to pass to speed regulator by holding wire very long.This
Line moves back and forth line and thinner with unit head, so often breaking down.Tachometer generator is exposed to be shaken than larger outside
Environment also can often break down.All closing does not have outer speed measuring device to the asynchronous motor supplied with variable frequency used in this patent again, or even
It is placed in water just out of question.It is that VFC solves DC control so shortcoming, the shortcoming of variable-frequency motor passes through Novel variable-frequency
Device is also resolved.The signal transmission of frequency converter employs MODBUS, and given reception zero error is not interfered with transmitting procedure.It is comprehensive
VFC mode has fault rate low for conjunction, controls the accurate advantage of speed.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out under without prejudice to spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
All equivalent modifications completed under god and technological thought or change, should be covered by claim of the present utility model.
Claims (6)
1. a kind of screw pile machine intelligent electric control system, including car body platform, the column being located on car body platform and described vertical
Unit head and the threaded drillpipe installed in unit head bottom that the outside wall body of post coordinates, it is characterised in that：
Also include elevator motor, back-pressure motor, the variable-frequency motor one installed in unit head top, variable-frequency motor two and including
The electric-control system of programming module；The elevator motor and back-pressure motor are frequency conversion type motor；
The sliding block that can be vertically moved is provided with the inner side wall body of the column；
Photoelectric encoder and the fixed pulley group coordinated with photoelectric encoder are provided with the car body platform and below sliding block
One；
Corresponding to the fixed pulley group one coordinated with photoelectric encoder, the fixed pulley group for matching is set in the lower end of the sliding block
Two；
The steel wire rope wound on the winching barrel of the elevator motor is past between the fixed pulley group one and fixed pulley group two
Wind multi-turn again, and pulling force sensor is provided with steel wire rope between the fixed pulley group one and fixed pulley group two；
Travel switch is provided with the car body platform and to ride upon steel wire rope between elevator motor and photoelectric encoder corresponding；
The back-pressure motor drives the steel wire rope of winding on lower winching barrel through being located at the fixed pulley of the car body platform sinistral end
The lower end of the unit head is fixedly connected on afterwards；
A big back of the body rope is connected between the upper end of the upper end of the sliding block and the unit head, the big back of the body rope is by being located at institute
State the fixed pulley at the top of column；
The elevator motor, back-pressure motor, variable-frequency motor one, variable-frequency motor two, photoelectric encoder, travel switch and pull sensing
Device has accessed the electric-control system.
2. screw pile machine intelligent electric control system according to claim 1, it is characterised in that：In the outside of the column
Wall body bottom is provided with lower bound range switch, and upper limit travel switch is provided with inner side wall body bottom；Lower bound range switch and on
Limit travel switch accesses the electric-control system.
3. screw pile machine intelligent electric control system according to claim 1 and 2, it is characterised in that：In the fixed pulley
The steel wire rope wound between group one and fixed pulley group two from it is lower and on sequentially reciprocal winding at least ten weeks.
4. screw pile machine intelligent electric control system according to claim 1 and 2, it is characterised in that：The electric-control system
Connection wireless communication module, the wireless communication module with and the pump truck that is connected of the threaded drillpipe on setting wireless telecommunications mould
Block is connected；The electric-control system of screw pile machine intelligent electric control system is set up with the electric-control system of pump truck by wireless communication module
Connection；The electric-control system also includes data memory module.
5. screw pile machine intelligent electric control system according to claim 4, it is characterised in that：The electric-control system is connected into
The operation module of control room, the operation module connects data memory module in the electric-control system, programming module and in electricity
The printer that control its exterior is set.
6. screw pile machine intelligent electric control system according to claim 5, it is characterised in that：The electric-control system is connected into
Ethernet transmitter sets up network connection with computer and/or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621364688.2U CN206245312U (en) | 2016-12-13 | 2016-12-13 | Screw pile machine intelligent electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621364688.2U CN206245312U (en) | 2016-12-13 | 2016-12-13 | Screw pile machine intelligent electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206245312U true CN206245312U (en) | 2017-06-13 |
Family
ID=59006618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621364688.2U Withdrawn - After Issue CN206245312U (en) | 2016-12-13 | 2016-12-13 | Screw pile machine intelligent electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206245312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522208A (en) * | 2016-12-13 | 2017-03-22 | 杜宪春 | Intelligent electrical control system and control method of screw pile machine |
| CN113266032A (en) * | 2021-06-28 | 2021-08-17 | 河海大学 | Combined snowflake type pile foundation construction system and construction method |
-
2016
- 2016-12-13 CN CN201621364688.2U patent/CN206245312U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522208A (en) * | 2016-12-13 | 2017-03-22 | 杜宪春 | Intelligent electrical control system and control method of screw pile machine |
| CN106522208B (en) * | 2016-12-13 | 2018-06-15 | 杜宪春 | Screw pile machine intelligent electric control system and control method |
| CN113266032A (en) * | 2021-06-28 | 2021-08-17 | 河海大学 | Combined snowflake type pile foundation construction system and construction method |
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