CN201865109U - Variable-frequency control device of piling machine - Google Patents
Variable-frequency control device of piling machine Download PDFInfo
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- CN201865109U CN201865109U CN2010206156627U CN201020615662U CN201865109U CN 201865109 U CN201865109 U CN 201865109U CN 2010206156627 U CN2010206156627 U CN 2010206156627U CN 201020615662 U CN201020615662 U CN 201020615662U CN 201865109 U CN201865109 U CN 201865109U
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- drilling tool
- control device
- frequency converter
- motor
- hoist engine
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Abstract
The utility model relates to the technical field of building piling machinery, in particular to a variable-frequency control device of a piling machine, which comprises a vertical column, a platform, a drilling tool, a winch, a steel wire rope, a drilling tool rotation speed control device, a drilling tool lifting control device, a console and a power supply, wherein the drilling tool rotation speed control device and the drilling tool lifting control device respectively include a speed reducer and a motor. The variable-frequency control device is characterized in that the drilling tool rotation speed control device is further provided with a drilling tool frequency converter, the drilling tool lifting control device is further provided with a winch frequency converter, an input end of the drilling tool frequency converter is connected with the power supply, an output end of the drilling tool frequency converter is connected with the motor of the drilling tool rotation speed control device, the motor of the drilling tool rotation speed control device is connected with the speed reducer of the drilling tool rotation speed control device, the speed reducer of the drilling tool rotation speed control device is connected with the drilling tool, an input end of the winch frequency converter is connected with the power supply, an output end of the winch frequency converter is connected with the motor of the drilling tool lifting control device, the motor of the drilling tool lifting control device is connected with the speed reducer of the drilling tool lifting control device, the speed reducer of the drilling tool lifting control device is connected with a winding drum of the winch, the drilling tool frequency converter is connected with the winch frequency converter by the aid of a lead, and the drilling tool frequency converter and the winch frequency converter are then connected with the console by the aid of leads.
Description
Technical field
The utility model relates to building piling machinery technical field, specifically a kind of frequency-converting control device of pile driver.
Background technology
At present, the control device of existing Electric-driven piling machine is by column, platform, rig, hoist engine, wire rope, the drilling tool revolution speed control device, the drilling tool apparatus for controlling of lifting, console and power supply are formed, the column upper end is provided with assembly pulley, fixedly connected with platform in the lower end, one side is provided with framework, opposite side is provided with running block and fixed pulley, fixed pulley is fixedlyed connected with platform, the drilling tool revolution speed control device is by reductor, motor and transformer are formed, reductor is fixed on the framework, reductor power output is connected with drilling tool, power intake is connected with motor, motor is connected with transformer on being fixed on platform, transformer is connected with power supply, transformer is connected with console through contactor again, the drilling tool apparatus for controlling of lifting is by reductor, coiling electric motor and resistance are formed, reductor and coiling electric motor are separately fixed on the platform, reductor power output is connected with lifting drum, power intake is connected with motor, motor is connected with resistance, resistance is connected with power supply, resistance is connected with console through contactor, console is provided with console switch and ammeter, wire rope is walked around fixed pulley, running block one end is connected with frame fixation, the other end and lifting drum are intertwined and connected, pile driver is when construction, hoist engine direction switch on operating personnel's manual operation console, by the resistance starting machine operation, motor is given reductor with transmission of power, reductor drives the lifting drum rotation, make the framework lifting of the other end of the wire rope on the reel, and then make 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 console 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 console 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, a kind of high efficiency be provided, save the energy, reduce labor intensity of operating personnel, line voltage pollution-free, that cause when starting fall little, prevent that because of running speed too fast or resistance from crossing the frequency-converting control device of the pile driver that ambassador's drilling tool blocks.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of frequency-converting control device of pile driver, comprise column, platform, drilling tool, hoist engine, wire rope, the drilling tool revolution speed control device, the drilling tool apparatus for controlling of lifting, console and power supply are formed, drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting comprise reductor and motor respectively, it is characterized in that the drilling tool revolution speed control device also is provided with the drilling tool frequency converter, the drilling tool apparatus for controlling of lifting also is provided with the hoist engine frequency converter, drilling tool frequency converter input is connected with power supply, output is connected with motor, motor is connected with reductor, reductor is connected with drilling tool, control the size of hoist engine frequency converter output frequency with the size of current that detects the drilling tool motor by the drilling tool frequency converter, hoist engine frequency converter input is connected with power supply, output is connected with motor, motor is connected with reductor, reductor is connected with the reel of hoist engine, is connected through lead between drilling tool frequency converter and the hoist engine frequency converter, and the drilling tool frequency converter is connected with console through lead again with the hoist engine frequency converter.
Its operating principle: when rig creeps into, the motor of drilling tool reaches the nominal operation rotating speed by the drilling tool inverter supply, when the drilling tool drilling depth increases, resistance increases, current of electric increases, allow to go up in limited time when electric current surpasses, drilling tool frequency converter output control signal is given the hoist engine frequency converter, adjusts and reduces the hoist engine motor speed, the drilling tool current of electric is reduced, prescribe a time limit less than going up of permission when current of electric, the drilling tool frequency converter outputs signal to the hoist engine frequency converter, and the hoist engine motor stops to adjust and keeping duty, when the drilling tool resistance reduces, the current of electric of drilling tool reduces, and electric current is lower than and allows down in limited time, and drilling tool frequency converter output control signal improves the hoist engine motor speed for the hoist engine frequency converter, the drilling tool running speed is accelerated, the drilling tool current of electric is improved, prescribe a time limit down greater than allowing, stop to adjust and maintenance work when current of electric.
The utility model is owing to adopt said structure, and it is little that line voltage is fallen when starting, and has avoided because of running speed too fast or resistance to cross ambassador's drilling tool and has blocked, have high efficiency, save the 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: column 1, platform 2, drilling tool 3, hoist engine 4, console 5, power supply 6, assembly pulley 7, framework 8, fixed pulley 9, reductor 10, reductor 11, drilling tool frequency converter 12, motor 13, hoist engine frequency converter 15, motor 16, wire rope 17.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further specified:
As shown in drawings, a kind of frequency-converting control device of pile driver, comprise column 1, platform 2, drilling tool 3, hoist engine 4, wire rope 17, the drilling tool revolution speed control device, the drilling tool apparatus for controlling of lifting, console 5 and power supply 6 are formed, column 1 upper end is provided with assembly pulley 7, fixedly connected with platform 2 in the lower end, one side is provided with framework 8, opposite side is provided with running block and fixed pulley 9, fixed pulley 9 is fixedlyed connected with platform 2, drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting comprise reductor 10 respectively, 11, motor 13,16, it is characterized in that the drilling tool revolution speed control device also is provided with drilling tool frequency converter 12, the drilling tool apparatus for controlling of lifting also is provided with hoist engine frequency converter 15, drilling tool frequency converter 12 inputs are connected with power supply 6, output is connected with motor 13, motor 13 is connected with reductor 10, reductor 10 is connected with drilling tool, control the size of hoist engine frequency converter output frequency by the electric current of drilling tool frequency converter detection drilling tool motor 13, hoist engine frequency converter 15 inputs are connected with power supply 6, output is connected with motor 16, motor 16 is connected with reductor 11, reductor 11 is connected with reel in the hoist engine 4, drilling tool frequency converter 12 and hoist engine frequency converter 15 are connected through lead, and drilling tool frequency converter 12 is connected with console 5 through lead again with hoist engine frequency converter 15.
Its operating principle: when rig creeps into, drilling tool motor 13 reaches the nominal operation rotating speed by 12 power supplies of drilling tool frequency converter, when the drilling tool drilling depth increases, resistance increases, motor 13 electric currents increase, when surpassing, electric current allows to go up in limited time, drilling tool frequency converter 12 output control signals are given hoist engine frequency converter 15, adjust and reduce hoist engine motor 16 rotating speeds, drilling tool motor 13 electric currents are reduced, prescribe a time limit less than going up of permission when motor 13 electric currents, drilling tool frequency converter 12 outputs signal to hoist engine frequency converter 15, and hoist engine motor 16 stops to adjust and keeping duty, when the drilling tool resistance reduces, drilling tool motor 13 electric currents reduce, and electric current is lower than and allows down in limited time, and drilling tool frequency converter 12 output control signals improve hoist engine motors 16 rotating speeds for hoist engine frequency converter 15, the drilling tool running speed is accelerated, drilling tool motor 13 electric currents are improved, prescribe a time limit down greater than allowing, stop to adjust and maintenance work when motor 13 electric currents.
During construction, usually power supply 6 adopts alternating current to drive, operating personnel at first adopt the console switch on the manual control shelves manipulation platform 5, hoist engine frequency converter 15 drives 16 work of hoist engine motor, motor 16 is given reductor 11 with transmission of power, reductor 11 drives the rotation of hoist engine 4 reels, the framework 8 of the other end of the wire rope 17 on the reel is descended, and then make the reductor 10 that is fixed on the framework 8 drive drilling tool 3 declines, when drilling tool 3 arrives the appointment pile driving position, drilling tool rotating speed rotary switch on the manual operation console 5, make it to be transferred to automatic control shelves, the drilling tool of rig begins to creep into, the motor 13 of drilling tool reaches rated speed by 12 power supplies of drilling tool frequency converter, when drilling depth increases, drilling tool 3 resistances increase, drilling tool motor 13 electric currents increase, the electric current that detects motor 13 when drilling tool frequency converter 12 surpasses permission upward in limited time, output signal is passed to hoist engine frequency converter 15, hoist engine frequency converter 15 is adjusted and is reduced hoist engine motor 16 rotating speeds, so that drilling tool motor 13 electric currents reduce, when the electric current of drilling tool motor 13 during less than allowable upper limit value, drilling tool frequency converter 12 is transferred to hoist engine frequency converter 15 with output signal, make it to stop to adjust and keep duty, when drilling tool 3 resistances reduce, drilling tool motor 13 electric currents reduce, and promptly electric current is reduced to and allows down in limited time, drilling tool frequency converter 12 is transferred to hoist engine frequency converter 15 with output signal, and improve hoist engine motor 16 rotating speeds and improve the drilling tool decrease speed, prescribe a time limit down greater than allowing when the drilling tool current of electric, promptly stop to adjust and keeping duty.
The utility model is owing to adopt said structure, and it is little that line voltage is fallen when starting, and has avoided too fast because of running speed or resistance is crossed ambassador's drilling tool and blocked, have high efficiency, save the energy, environment friendly and pollution-free, reduce operating personnel's the advantages such as labour intensity.
Claims (1)
1. the frequency-converting control device of a pile driver, comprise column, platform, drilling tool, hoist engine, wire rope, the drilling tool revolution speed control device, the drilling tool apparatus for controlling of lifting, console and power supply are formed, drilling tool revolution speed control device and drilling tool apparatus for controlling of lifting comprise reductor and motor respectively, it is characterized in that the drilling tool revolution speed control device also is provided with the drilling tool frequency converter, the drilling tool apparatus for controlling of lifting also is provided with the hoist engine frequency converter, drilling tool frequency converter input is connected with power supply, output is connected with motor, motor is connected with reductor, reductor is connected with drilling tool, hoist engine frequency converter input is connected with power supply, output is connected with motor, motor is connected with reductor, reductor is connected with the reel of hoist engine, be connected through lead between drilling tool frequency converter and the hoist engine frequency converter, the drilling tool frequency converter is connected with console through lead again with the hoist engine frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206156627U CN201865109U (en) | 2010-10-19 | 2010-11-20 | Variable-frequency control device of piling machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020565310 | 2010-10-19 | ||
| CN201020565310.5 | 2010-10-19 | ||
| CN2010206156627U CN201865109U (en) | 2010-10-19 | 2010-11-20 | Variable-frequency control device of piling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201865109U true CN201865109U (en) | 2011-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206156627U Expired - Fee Related CN201865109U (en) | 2010-10-19 | 2010-11-20 | Variable-frequency control device of piling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201865109U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977015A (en) * | 2010-10-19 | 2011-02-16 | 威海市海泰起重机械有限公司 | Frequency conversion control device of pile hammer |
| CN105040697A (en) * | 2015-07-11 | 2015-11-11 | 渤海大学 | Drop hammer type automatic pile driver control system based on single-chip microcomputer |
| CN106351578A (en) * | 2016-10-08 | 2017-01-25 | 郑州神利达钻采设备有限公司 | Pile driver capable of performing efficient construction on hard formation |
| CN107246013A (en) * | 2017-08-07 | 2017-10-13 | 张家港市兴鸿达基础有限公司 | One kind can carry sandy soil piling machine |
-
2010
- 2010-11-20 CN CN2010206156627U patent/CN201865109U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977015A (en) * | 2010-10-19 | 2011-02-16 | 威海市海泰起重机械有限公司 | Frequency conversion control device of pile hammer |
| CN101977015B (en) * | 2010-10-19 | 2013-01-23 | 威海市海泰起重机械有限公司 | Frequency conversion control device of pile hammer |
| CN105040697A (en) * | 2015-07-11 | 2015-11-11 | 渤海大学 | Drop hammer type automatic pile driver control system based on single-chip microcomputer |
| CN105040697B (en) * | 2015-07-11 | 2017-03-01 | 渤海大学 | SCM Based drop hammer type automatic pile driver control system |
| CN106351578A (en) * | 2016-10-08 | 2017-01-25 | 郑州神利达钻采设备有限公司 | Pile driver capable of performing efficient construction on hard formation |
| CN106351578B (en) * | 2016-10-08 | 2018-07-10 | 郑州神利达钻采设备有限公司 | A kind of piling machine that can efficiently construct on firm hard formation |
| CN107246013A (en) * | 2017-08-07 | 2017-10-13 | 张家港市兴鸿达基础有限公司 | One kind can carry sandy soil piling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110615 Termination date: 20131120 |