CN201851002U - PLC (Programmable Logic Controller) controlled frequency conversion pile driver - Google Patents

PLC (Programmable Logic Controller) controlled frequency conversion pile driver Download PDF

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Publication number
CN201851002U
CN201851002U CN2010206156612U CN201020615661U CN201851002U CN 201851002 U CN201851002 U CN 201851002U CN 2010206156612 U CN2010206156612 U CN 2010206156612U CN 201020615661 U CN201020615661 U CN 201020615661U CN 201851002 U CN201851002 U CN 201851002U
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CN
China
Prior art keywords
control
frequency converter
drilling tool
motor
drill
Prior art date
Application number
CN2010206156612U
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Chinese (zh)
Inventor
于建池
曹少东
Original Assignee
威海市海泰起重机械有限公司
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Filing date
Publication date
Application filed by 威海市海泰起重机械有限公司 filed Critical 威海市海泰起重机械有限公司
Priority to CN2010206156612U priority Critical patent/CN201851002U/en
Application granted granted Critical
Publication of CN201851002U publication Critical patent/CN201851002U/en

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Abstract

The utility model relates to the field of pile drivers, in particular to a PLC (Programmable Logic Controller) controlled frequency conversion pile driver which comprises a pile frame, a long spiral drill, a control device, an operating floor and a power supply, wherein the pile frame comprises a stand column, an inclined strut, a platform, a chassis, a counterweight, a pulley block and a walking device; the control device comprises a drill rotation speed control device and a drill lifting control device; and the drill rotation speed control device and the drill lifting control device respectively comprise a decelerator and a motor which is connected with the decelerator. The PLC controlled frequency conversion pile driver is characterized in that the control device further comprises a PLC controller, a drill frequency converter and a winch frequency converter; one end of the drill frequency converter is connected with the PLC controller and the other end of the drilling frequency converter is connected with the motor; one end of the winch frequency converter is connected with the PLC controller and the other end of the winch frequency converter is connected with the motor; and the PLC controller is connected with the operating floor. By adopting the structure, the rotation speed and the lifting of the drill can be subjected to intelligent automatic control through the organic combination of the PLC controller and the frequency converters, so that the drill can be prevented from being stuck due to the overquick drilling speed or the overlarge resistance; and the PLC controlled frequency conversion pile driver has the advantages of being small in voltage drop during the starting of a power grid and high in work efficiency, being energy-saving and the like.

Description

PLC control frequency conversion stake machine

Technical field

The utility model relates to a machine field, specifically a kind of energy conservation, automaticity height, prevents that too fast or resistance is crossed the PLC control frequency conversion stake machine that ambassador's long screw drill rod blocks because of running speed.

Background technology

At present, existing Electric-driven piling machine is normally by pile frame and long screw drill rod, control device, operating desk and power supply are formed, pile frame comprises column, diagonal brace, platform, the chassis, counterweight, assembly pulley and running gear, control device comprises drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting, the drilling tool revolution speed control device is by reductor, motor and transformer are formed, the drilling tool apparatus for controlling of lifting is by reductor, reel, coiling electric motor and resistance are formed, running gear generally adopts crawler type or stride running gear, platform is fixedlyed connected with running gear through the chassis, platform one end is provided with column, the other end is provided with counterweight, platform is provided with supporting leg, column supports through diagonal brace, the column upper end is provided with assembly pulley, the lower end is connected with platform, column one side is provided with framework, framework is provided with reductor and is fixed on the framework, drilling tool rotating speed reductor power output is connected with drilling rod, the reductor input is connected with motor, motor is connected with transformer on being fixed on platform, transformer is connected with power supply, transformer is connected with operating desk through contactor again, locate through casing the drilling rod below, casing is fixed on the column, drilling tool lifting decelerator and coiling electric motor are separately fixed on the platform, and reductor power output is connected with lifting drum on being fixed on platform, and power intake is connected with motor, motor is connected with resistance, resistance is connected with power supply, and resistance is connected with operating desk through contactor, and operating desk is provided with console switch and ammeter.

Pile driver is when construction, hoist engine direction switch on operating personnel's manual operation operating desk, by the resistance starting machine operation, motor is given reductor with transmission of power, reductor drives the lifting drum rotation, makes the framework lifting of the other end of the wire rope on the reel, and then makes the reductor drilling tool lifting that is fixed on the framework, when the drilling tool current of electric reached the motor rated current, the hoist engine direction switch on operating personnel's manual operation operating desk made hoist engine stop the drilling tool that descends.Its deficiency is: need operating personnel to have expertly operative skill, operating personnel need observe the ammeter on the operating desk all the time, when increasing, electric current stops to bore down, when reducing, bores down again in electric current, repeatable operation, a carelessness or tired does not slightly in time stop to bore down, will cause electric current to stop too greatly to bore, cause underground drilling accident; Behind the bury drills, because the bringing onto load starting current increases severely, cause line voltage to fall greatly, the contactor pick-up voltage is not enough and can't start, and operating personnel are if startup by force gently then causes transformer to burn, and is heavy then cause the whole electroplax in the electric box on the platform to burn.

Summary of the invention

The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of energy conservation, automaticity height, high efficiency, labor intensity of operating staff low, prevent that because of running speed too fast or resistance from crossing the line voltage that ambassador's drilling tool blocks, causes when starting and falling little PLC control frequency conversion stake machine.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of PLC control frequency conversion stake machine, comprise pile frame and long screw auger tool, control device, operating desk and power supply, pile frame comprises column, diagonal brace, platform, the chassis, counterweight, assembly pulley and running gear, control device comprises drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting, drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting comprise reductor and motor respectively, motor is connected with reductor, it is characterized in that control device also comprises the PLC controller, drilling tool frequency converter and hoist engine frequency converter, drilling tool frequency converter one end is connected with the PLC controller, the other end is connected with motor, hoist engine frequency converter one end is connected with the PLC controller, the other end is connected with motor, the PLC controller is connected with operating desk, the PLC controller detects the size of current of drilling tool motor by the drilling tool frequency converter, control the size of hoist engine frequency converter and drilling tool frequency converter output frequency through the PLC controller, reach the purpose of automatic control.

The utility model is owing to adopt said structure, control of drilling tool rotating speed and drilling tool lifting control is organic in conjunction with forming intelligent automation control by PLC controller and frequency converter, having avoided because of running speed too fast or resistance to cross ambassador's drilling tool blocks, have electrical network when starting voltage drop little, automaticity height, high efficiency, the saving energy, environment friendly and pollution-free, reduce advantage such as labor intensity of operating personnel.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model embodiment.

Reference numeral: motor 1, framework 2, reductor 3, drilling rod 4, assembly pulley 5, wire rope 6, fixed pulley 7, hoist engine 8, drilling tool frequency converter 9, hoist engine frequency converter 10, PLC controller 11, operating desk 12, power supply 13, column 14, diagonal brace 15, platform 16, chassis 17, counterweight 18, running gear 21, casing 22, reductor 23, motor 24.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further specified:

As shown in drawings, a kind of PLC control frequency conversion stake machine, comprise pile frame and long screw drill rod 4, control device, operating desk 12 and power supply 13, pile frame comprises column 14, diagonal brace 15, platform 16, chassis 17, counterweight 18, assembly pulley 5 and running gear 21, control device comprises drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting, the drilling tool revolution speed control device comprises reductor 3 and motor 1, the drilling tool apparatus for controlling of lifting comprises reductor 23 and motor 24, operating desk 12 is provided with console switch and ammeter, running gear can adopt crawler type, also can adopt the walking device, platform 16 17 is fixedlyed connected with running gear 21 through the chassis, platform 16 1 ends are provided with column 14, the other end is provided with counterweight 18, platform 16 is provided with supporting leg, column 14 supports through diagonal brace 15, column 14 upper ends are provided with assembly pulley 5, the lower end is connected with platform 16, column 14 1 sides are provided with framework 2, wire rope 6 is walked around fixed pulley 7, running block 5 one ends are fixedlyed connected with framework 2, the other end is intertwined and connected through fixed pulley 7 and hoist engine 8 reels, framework 2 is provided with drilling tool rotating speed reductor 3, drilling tool rotating speed reductor 3 clutch ends are connected with drilling rod 4, drilling tool reductor power input is connected with motor 1, drilling rod 4 belows are through protecting 22 location, casing 22 is fixed on the column 14, drilling tool lifting decelerator 23 clutch ends are connected with the reel of hoist engine 8 on being fixed on platform 16, power intake is connected with motor 24, it is characterized in that control device also comprises PLC controller 11, drilling tool frequency converter 9 and hoist engine frequency converter 10, drilling tool frequency converter 9 one ends are connected with PLC controller 11, the other end is connected with motor 1, hoist engine frequency converter 10 1 ends are connected with PLC controller 11, the other end is connected with motor 24, PLC controller 11 is connected with operating desk 12, detect the size of current of drilling tool motor 1 by drilling tool frequency converter 9, control the size of hoist engine frequency converter 10 and drilling tool frequency converter 9 output frequencies through PLC controller 11, reach the purpose of automatic control.

When rig creeps into, drilling tool motor 1 reaches high workload rotating speed by drilling tool frequency converter 9 power supply, when drilling depth increases, resistance increases drilling tool motor 1 electric current and increases, and allows to go up in limited time when drilling tool motor 1 electric current surpasses, and PLC controller 11 output control signals are given hoist engine frequency converter 10, adjust and reduce hoist engine motor 24 rotating speeds, drilling tool motor 1 electric current is reduced, prescribe a time limit less than allowing to go up when current of electric, PLC controller 11 stops to output signal to hoist engine frequency converter 10 and adjusts and the maintenance work; When reducing drilling tool motor 1 electric current, reduces resistance, and electric current is lower than permission down in limited time, PLC controller 11 output control signals are given hoist engine frequency converter 10, adjust and improve hoist engine motor 24 rotating speeds, drilling tool motor 1 electric current is improved, prescribe a time limit down greater than allowing when motor 1 electric current, PLC controller 11 stops to output signal to hoist engine frequency converter 10 and stops to adjust and maintenance work; When hoist engine motor 24 rotating speeds drop to zero, PLC controller 11 output control signals are given drilling tool frequency converter 9, adjust the rotating speed that reduces drilling tool motor 1, when drilling tool motor 1 electric current reduces, and electric current is lower than when allowing lower limit, PLC controller 11 stops to export to drilling tool frequency converter 9 signal to reduce the speeds, and keeps speed operation; When drilling tool frequency converter 9 adjustment output frequencies were lower than drilling tool frequency converter 9 output torque capacity frequencies, PLC controller 11 stopped to export signal to reduce the speed and gives drilling tool frequency converter 9, and sends alarm signal.

When rig got into desired depth, PLC controller 11 output control signals stopped to bore down for hoist engine frequency converter 10, and PLC controller 11 output control signals are controlled at the drilling tool rotating speed minimum speed of exportable torque capacity for drilling tool frequency converter 9; Carry when boring signal when console provides, PLC controller 11 control hoist engine motors 24 keep promoting with rated current, and when drilling tool 4 is promoted to predetermined altitude, PLC controller 11 promptly stops output signal.

The utility model is owing to adopt said structure, the control of drilling tool rotating speed and drilling tool elevating control is organic in conjunction with forming intelligent automation control by PLC controller and frequency converter, avoided too fast because of running speed or resistance is crossed ambassador's drilling tool and blocked, have electrical network when starting voltage drop little, automaticity height, high efficiency, the saving energy, environment friendly and pollution-free, reduce operating personnel's the advantages such as labour intensity.

Claims (1)

1. a PLC controls frequency conversion stake machine, comprise pile frame and long screw auger tool, control device, operating desk and power supply, pile frame comprises column, diagonal brace, platform, the chassis, counterweight, assembly pulley and running gear, control device comprises drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting, drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting comprise reductor and motor respectively, motor is connected with reductor, it is characterized in that control device also comprises the PLC controller, drilling tool frequency converter and hoist engine frequency converter, drilling tool frequency converter one end is connected with the PLC controller, the other end is connected with motor, hoist engine frequency converter one end is connected with the PLC controller, the other end is connected with motor, and the PLC controller is connected with operating desk.
CN2010206156612U 2010-11-20 2010-11-20 PLC (Programmable Logic Controller) controlled frequency conversion pile driver CN201851002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206156612U CN201851002U (en) 2010-11-20 2010-11-20 PLC (Programmable Logic Controller) controlled frequency conversion pile driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206156612U CN201851002U (en) 2010-11-20 2010-11-20 PLC (Programmable Logic Controller) controlled frequency conversion pile driver

Publications (1)

Publication Number Publication Date
CN201851002U true CN201851002U (en) 2011-06-01

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031929A (en) * 2010-11-20 2011-04-27 威海市海泰起重机械有限公司 PLC (Programmable Logic Controller) controlled variable-frequency piling machine
CN103225479A (en) * 2013-04-04 2013-07-31 重庆海本液压机械制造有限公司 Hydraulic engineering driller
CN105862733A (en) * 2016-06-12 2016-08-17 江苏昌鑫基础工程有限公司 Novel long spiral drilling hole cast-in-situ pile top and cap integrated construction device
CN105862732A (en) * 2016-06-12 2016-08-17 江苏昌鑫基础工程有限公司 PLC-controlled (programmable logic controller controlled) integrated construction apparatus for long-spiral cast-in-place bored pile top cap
CN105927153A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Control supporting frame applied to pile body and pile cap integrated construction for long spiral bored pile
CN105927152A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Pile body and pile cap integrated construction device for long spiral bored pile
CN105927154A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Spiral drilling and pouring device applied to pile top and pile cap integrated construction

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031929A (en) * 2010-11-20 2011-04-27 威海市海泰起重机械有限公司 PLC (Programmable Logic Controller) controlled variable-frequency piling machine
CN102031929B (en) * 2010-11-20 2012-12-26 威海市海泰起重机械有限公司 PLC (Programmable Logic Controller) controlled variable-frequency piling machine
CN103225479A (en) * 2013-04-04 2013-07-31 重庆海本液压机械制造有限公司 Hydraulic engineering driller
CN103225479B (en) * 2013-04-04 2015-11-11 重庆海本液压机械制造有限公司 Fluid pressure type engineering driller
CN105862733A (en) * 2016-06-12 2016-08-17 江苏昌鑫基础工程有限公司 Novel long spiral drilling hole cast-in-situ pile top and cap integrated construction device
CN105862732A (en) * 2016-06-12 2016-08-17 江苏昌鑫基础工程有限公司 PLC-controlled (programmable logic controller controlled) integrated construction apparatus for long-spiral cast-in-place bored pile top cap
CN105927153A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Control supporting frame applied to pile body and pile cap integrated construction for long spiral bored pile
CN105927152A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Pile body and pile cap integrated construction device for long spiral bored pile
CN105927154A (en) * 2016-06-12 2016-09-07 江苏昌鑫基础工程有限公司 Spiral drilling and pouring device applied to pile top and pile cap integrated construction

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110601

Termination date: 20131120