CN109132871A - A kind of overhead and gantry cranes frequency-variable controller - Google Patents
A kind of overhead and gantry cranes frequency-variable controller Download PDFInfo
- Publication number
- CN109132871A CN109132871A CN201811331921.0A CN201811331921A CN109132871A CN 109132871 A CN109132871 A CN 109132871A CN 201811331921 A CN201811331921 A CN 201811331921A CN 109132871 A CN109132871 A CN 109132871A
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- China
- Prior art keywords
- fixed column
- frequency
- winding motor
- overhead
- control assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of overhead and gantry cranes frequency-variable controllers, including shell, motor output device is provided in the shell, signal transmitting apparatus, power input, brake apparatus and PLC control assembly, the signal transmitting apparatus includes the cable operator box for being set to enclosure interior, fixed column is provided in the cable operator box, described fixed column one end is pierced by cable operator box and winds live wire, fixed link is connected in the cable operator box, the fixed column is actively located in fixed link, sliding block is provided in the fixed column, sliding slot corresponding with sliding block is provided in the fixed link, the fixed link side is provided with the slipping mechanism of driving fixed column sliding, the rolling-up mechanism for winding electric wire is provided in the fixed link.The invention has the following advantages: this overhead and gantry cranes frequency-variable controller can work on when frequency converter signal is inputted and broken down, cost allowance is reduced.
Description
Technical field
The present invention relates to a kind of frequency-variable controller, in particular to a kind of overhead and gantry cranes frequency-variable controller.
Background technique
Frequency converter is to be handed over using converter technique and microelectric technique by changing motor frequency mode of working power supply to control
The electric control appliance of galvanic electricity motivation.Frequency converter is mainly by rectifying (AC to DC), filtering, inversion (direct current becomes exchange), system
The composition such as moving cell, driving unit, detection unit microprocessing unit.IGBT cut-offs to adjust out-put supply frequency converter close to the inner portion
Voltage and frequency, supply voltage required for providing it according to the actual needs of motor, and then reach energy conservation, speed regulation mesh
's.In addition, there are also many defencive functions, such as overcurrent, over-voltage, overload protection for frequency converter.With industrial automatization
Continuous improvement, frequency converter also has been widely used.
Overhead and gantry cranes special converter is for the crane using ac variable speed technology, due to frequency converter
The electromotor characteristic of driving is hard, has the advantages that be accurately positioned, motor when being not in conventional hoist load variation
The productivity of handling operation can be improved in the phenomenon that revolving speed also changes therewith.
Fault message can be passed to computer when internal signal input device damages by general frequency converter, thus
So that operator knows the position of fault, to repair.But daily crane in use, the human cost of required consumption with
The time of other higher costs, shutdown maintenance is longer, will affect the duration, leads to massive losses.
Summary of the invention
The object of the present invention is to provide a kind of overhead and gantry cranes frequency-variable controllers.This overhead and gantry cranes frequency control
Device can work on when frequency converter signal is inputted and broken down, and reduce cost allowance.
Goal of the invention of the invention is achieved through the following technical solutions:
A kind of overhead and gantry cranes frequency-variable controller, including shell are provided with the motor for crane connection in the shell
Output device, the signal transmitting apparatus for signal input and output processing, the power supply for providing electric energy to frequency-variable controller are defeated
Enter device, the brake apparatus for being braked to crane and the PLC control assembly for controlling frequency converter running, it is special
Sign is: the signal transmitting apparatus includes GPRS/GPS communicator, and the GPRS/GPS communicator wirelessly connects with external emission tower
It connects, the external emission tower and external satellite are wirelessly connected, and signal is passed to computer or mobile phone by the external satellite, by equipment
Fault message is transmitted on computer or mobile phone;
The signal transmitting apparatus further includes the cable operator box for being set to enclosure interior, is provided with and connects in the cable operator box
Terminal, the binding post are connect with PLC control assembly, are enabled PLC control assembly to obtain information that binding post receives and are made
It reacts out, the cable operator box and the activity of shell side are equipped with fixed column, and described fixed column one end is pierced by cable operator box
And live wire is wound, described electric wire one end is provided with connector, and the electric wire other end is fixedly connected with binding post, wired behaviour
Make to be connected with fixed link in box, the fixed column is actively located in fixed link, and sliding block is provided in the fixed column, described solid
Sliding slot corresponding with sliding block is provided in fixed pole, the fixed link side is provided with the slipping mechanism of driving fixed column sliding,
The rolling-up mechanism for winding electric wire is provided in the fixed link.
After above-mentioned technical proposal, when the signal of frequency converter Digiplex, which inputs, to break down, failure letter
Breath passes to computer or mobile phone by GPRS/GPS communicator, so that operator has found failure in time.Meanwhile it being controlled in PLC
Under the control of component, the slipping mechanism in signal transmitting apparatus drives fixed column mobile, when fixed column is moved to hull outside,
The electric wire being wrapped in fixed column is exposed to outside shell.At this point, operator can be by the connector of Digiplex and electric wire
Connection, so that operator can continue to operate crane, without shutdown maintenance.
The present invention is further arranged to: the rolling-up mechanism includes winding motor, and the winding motor is fixedly connected with
Fixed pole, the fixed link are connect with cable operator box by bearing, and threading column is provided in the fixed column, and the electric wire passes through
Threading column is connect with binding post.
After above-mentioned technical proposal, when the trouble shooting that wireless messages input occurs, winding motor is controlled in PLC
The lower work of component control processed, winding motor rewinds electric wire in fixed column, while PLC control assembly drives slipping mechanism
Fixed column is come back in cable operator box, the purpose of automatic recycling electric wire is realized.
The present invention is further arranged to: the slipping mechanism includes sliding motor, and sliding motor and PLC control assembly connect
It connects, the sliding motor is connected with rotate gear, and the rotate gear is engaged with gear bar, the gear bar and fixed column
It is fixedly connected.
After above-mentioned technical proposal, when wireless signal, which inputs, to break down, motor is slid in PLC control assembly
Control under work.It slides motor and drives rotate gear rotation, so that the gear bar engaged with rotate gear is mobile.On
Rack drives fixed column to be displaced outwardly, outside ultimately out shell.
The present invention is further arranged to: the rotate gear is engaged with lower gear bar, and pressure is provided on the winding motor
Power switch, for the pressure switch when being under pressure, pressure switch is mobile to winding motor, to close winding motor, works as pressure
When power switch is not affected by external pressure, winding motor is in the open state.
After above-mentioned technical proposal, during rotate gear drives fixed column mobile, while lower gear is driven
Bar reverse movement.Lower gear bar is moved backward to when contacting with pressure switch, and winding motor is closed.At this point, operator can be with
The connector of electric wire is connect with Digiplex, is worked to continue operation crane.
The present invention is further arranged to: the pressure switch side is provided with pressure sensor, the pressure sensor with
PLC control assembly is wirelessly connected, described when pressure sensor senses the pressure increase on winding motor, is sent a signal to
PLC control assembly, PLC control assembly controls winding motor and closes, when pressure sensor fails to sense the pressure on winding motor
When power increases, winding motor is kept it turned on.
After above-mentioned technical proposal, when squeeze pressure of the pressure switch by lower gear bar, pressure sensor
Transmitting pressure signal gives PLC control assembly.PLC control assembly controls winding motor and closes, at this point, operator can be by electric wire
On connector connect with Digiplex.
The present invention is further arranged to: the fixed column is set as taper far from one end of winding motor.
After above-mentioned technical proposal, taper is set far from winding motor one end by fixed column, so as to electricity
When line is wound, electric wire can be guided to complete to wind by the fixed column of taper, reduce the difficulty of winding, improve winding effect
Rate.
For the case where being compared to routine use, directly being connect Digiplex with frequency converter with electric wire is also one kind
Processing mode, but relative to this processing mode, technical solution proposed by the invention makes electric wire integrated with frequency converter,
It does not need to increase electric wire newly again and be attached.Meanwhile effectivelying prevent leading to crane maloperation due to wireless signal input fault, subtract
Few danger, and the process of entire electric wire connection Digiplex is semi-automatic, it is easy to operate, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment;
Fig. 2 is the front view for removing cable operator box cover in embodiment;
Fig. 3 is the structural schematic diagram of carrier mechanism in embodiment, slipping mechanism and rolling-up mechanism;
Fig. 4 is the structural schematic diagram removed after sliding motor in Fig. 3;
Fig. 5 is the structural schematic diagram on another direction of Fig. 3.
Appended drawing reference: 1, shell;2, motor output device;3, signal transmitting apparatus;4, power input;5, PLC is controlled
Component processed;6, cable operator box;7, carrier mechanism;701, binding post;702, fixed column;703, electric wire;704, connector;705, solid
Fixed pole;706, sliding slot;8, slipping mechanism;801, motor is slid;802, rotate gear;803, gear bar;804, lower gear
Bar;805, slipping block;806, through slot;807, pressure switch;808, pressure sensor;9, rolling-up mechanism;901, winding motor;
902, column is threaded.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
As shown in Figures 1 and 2, a kind of overhead and gantry cranes frequency-variable controller, including shell 1 are provided in shell 1 and are used for
The motor output device 2 of crane connection, for the signal transmitting apparatus 3 of signal input and output processing, for frequency control
Device provides the power input 4 of electric energy, the brake apparatus for being braked to crane and for controlling frequency converter fortune
The PLC control assembly 5 of work.
Signal transmitting apparatus 3 includes GPRS/GPS communicator, and GPRS/GPS communicator and external emission tower are wirelessly connected, outside
Portion's launching tower and external satellite are wirelessly connected, and signal is passed to computer or mobile phone, device fault information is transmitted by external satellite
Onto computer or mobile phone.
The signal transmitting apparatus 3 further includes the cable operator box 6 being set to inside shell 1.It is set in cable operator box 6
Be equipped with for transportion wire 703 to outside shell 1 carrier mechanism 7, for drive carrier mechanism 7 move slipping mechanism 8 and
The rolling-up mechanism 9 wound for electric wire 703.
As shown in Fig. 3, Fig. 4 and Fig. 5, the carrier mechanism 7 includes the binding post being set in cable operator box 6
701.Binding post 701 is connect with PLC control assembly 5, enable PLC control assembly 5 obtain information that binding post 701 receives and
It reacts.Cable operator box 6 and 1 side activity of shell are equipped with fixed column 702, and 702 one end of fixed column is pierced by cable operator
Box 6 simultaneously winds live wire 703, and 703 one end of electric wire is provided with connector 704.703 other end of electric wire is fixedly connected with binding post 701,
Fixed link 705 is connected in cable operator box 6, fixed column 702 is actively located in fixed link 705.It is provided in fixed column 702
Sliding block (not shown) is provided with sliding slot 706 corresponding with sliding block in fixed link 705.
The slipping mechanism 8 includes sliding motor 801, and sliding motor 801 is connect with PLC control assembly 5.Slide motor
801 are connected with rotate gear 802, and rotate gear 802 is engaged with gear bar 803.Gear bar 803 and fixed column 702 are fixed
Connection.Rotate gear 802 is engaged with lower gear bar 804.6 bottom of cable operator box is provided with for the sliding of lower gear bar 804
Slipping block 805.The through slot 806 passed through for lower gear bar 804 is provided on shell 1 and cable operator box 6.Winding motor
Pressure switch 807 is provided on 901.For pressure switch 807 when being under pressure, pressure switch 807 is mobile to winding motor 901,
To close winding motor 901, when pressure switch 807 is not affected by external pressure, winding motor 901 is in the open state.Pressure
807 side of power switch is provided with pressure sensor 808, and pressure sensor 808 and PLC control assembly 5 are wirelessly connected.
The rolling-up mechanism 9 includes winding motor 901.Winding motor 901 is fixedly connected with fixed link 705.Fixed link
705 are connect with cable operator box 6 by bearing, threading column 902 are provided in fixed column 702, and electric wire 703 passes through threading column
902 connect with binding post 701.When pressure sensor 808 senses the pressure increase on winding motor 901, send a signal to
PLC control assembly 5, PLC control assembly 5 control winding motor 901 and close, when pressure sensor 808 fails to sense winding electricity
When pressure increase on machine 901, winding motor 901 is kept it turned on.
Optimization, 702 one end of fixed column is set as taper.The setting of taper so that fixed column 702 in 901 work of winding motor
It can efficiently guide electric wire 703 to be wound when making, improve winding efficiency.
The course of work:
When the signal of frequency converter Digiplex, which inputs, to break down, fault message passes to electricity by GPRS/GPS communicator
Brain or mobile phone, so that operator has found failure in time.Meanwhile under the control of PLC control assembly 5, when wireless signal inputs
When failure, sliding motor 801 works under the control of PLC control assembly 5.It slides motor 801 and drives 802 turns of rotate gear
It is dynamic, so that the gear bar 803 engaged with rotate gear 802 is mobile.Gear bar 803 drives fixed column 702 to be moved out
It is dynamic, outside ultimately out shell 1.When fixed column 702 is moved to 1 outside of shell, the electric wire in fixed column 702 703 will be wrapped in
It is exposed to outside shell 1.At this point, Digiplex can be connect by operator with the connector 704 of electric wire 703, so that behaviour
Making personnel can continue to operate crane, without shutdown maintenance.
Meanwhile it sliding motor 801 and rotate gear 802 is driven to rotate.Rotate gear 802 drives fixed column 702 mobile, thus
Lower gear bar 804 is driven to move backward.When the reverse movement of lower gear bar 804 is extremely contacted with pressure switch 807, pressure switch 807
By the squeeze pressure of lower gear bar 804, pressure sensor 808 transmits pressure signal to PLC control assembly 5.PLC control assembly
5 control winding motors 901 are closed, at this point, the connector 704 on electric wire 703 can be connect by operator with Digiplex.It receives
Motor 901 is rolled up to close.At this time without wrapup procedure.Operator can connect the connector 704 of electric wire 703 and Digiplex
It connects, works to continue operation crane.
When the trouble shooting that wireless messages input occurs, winding motor 901 works under the control of PLC control assembly 5, receives
Volume motor 901 rewinds electric wire 703 in fixed column 702, while PLC control assembly 5 drives slipping mechanism 8 by fixed column
702 come back in cable operator box 6, realize the purpose of automatic recycling electric wire 703.Wherein, thread column 902 setting so that
703 side of electric wire is fixed, so that 703 one end of electric wire will not rotate with fixed link 705 and wind with fixed link 705, so that electric
703 other end of line is able to be wrapped in fixed link 705.
Claims (6)
1. a kind of overhead and gantry cranes frequency-variable controller, including shell (1), interior be provided with of the shell (1) connects for crane
The motor output device (2) that connects, for the signal transmitting apparatus (3) of signal input and output processing, for being mentioned to frequency-variable controller
For the power input (4) of electric energy, the brake apparatus for being braked to crane and for controlling frequency converter running
PLC control assembly (5), it is characterized in that: the signal transmitting apparatus (3) includes GPRS/GPS communicator, the GPRS/GPS
Communicator and external emission tower are wirelessly connected, and the external emission tower and external satellite are wirelessly connected, and the external satellite will be believed
Number computer or mobile phone are passed to, device fault information is transmitted on computer or mobile phone;
The signal transmitting apparatus (3) further includes being set to the internal cable operator box (6) of shell (1), the cable operator box
(6) it is provided with binding post (701) in, the binding post (701) connect with PLC control assembly (5), so that PLC control assembly (5)
The information that binding post (701) receives can be obtained and reacted, the cable operator box (6) is worn with shell (1) side activity
Equipped with fixed column (702), described fixed column (702) one end is pierced by cable operator box (6) and winds live wire (703), the electricity
Line (703) one end is provided with connector (704), and electric wire (703) other end is fixedly connected with binding post (701), described wired
It is connected with fixed link (705) in operating case (6), the fixed column (702) is actively located on fixed link (705), the fixation
It is provided with sliding block on column (702), sliding slot (706) corresponding with sliding block, the fixation are provided on the fixed link (705)
Bar (705) side is provided with the slipping mechanism (8) of driving fixed column (702) sliding, is provided with and is used on the fixed link (705)
Wind the rolling-up mechanism (9) of electric wire (703).
2. a kind of overhead and gantry cranes frequency-variable controller according to claim 1, it is characterized in that: the rolling-up mechanism (9)
Including winding motor (901), the winding motor (901) is fixedly connected with fixed link (705), the fixed link (705) with have
Line operating case (6) is connected by bearing, and threading column (902) is provided on the fixed column (702), and the electric wire (703) passes through
Threading column (902) is connect with binding post (701).
3. a kind of overhead and gantry cranes frequency-variable controller according to claim 2, it is characterized in that: the slipping mechanism (8)
Including sliding motor (801), sliding motor (801) is connect with PLC control assembly (5), and the sliding motor (801), which is connected with, to be turned
Moving gear (802), the rotate gear (802) are engaged with gear bar (803), the gear bar (803) and fixed column
(702) it is fixedly connected.
4. a kind of overhead and gantry cranes frequency-variable controller according to claim 2 or 3, it is characterized in that: the rotate gear
(802) it is engaged with lower gear bar (804), is provided with pressure switch (807), the pressure switch on the winding motor (901)
(807) when being under pressure, pressure switch (807) is mobile to winding motor (901), to close winding motor (901), works as pressure
When power switch (807) is not affected by external pressure, winding motor (901) is in the open state.
5. a kind of overhead and gantry cranes frequency-variable controller according to claim 4, it is characterized in that: the pressure switch
(807) side is provided with pressure sensor (808), and the pressure sensor (808) and PLC control assembly (5) are wirelessly connected, institute
It states when pressure sensor (808) senses the pressure increase on winding motor (901), sends a signal to PLC control assembly
(5), PLC control assembly (5) control winding motor (901) is closed, when pressure sensor (808) fails to sense winding motor
(901) when pressure increase on, winding motor (901) is kept it turned on.
6. a kind of overhead and gantry cranes frequency-variable controller according to claim 5, it is characterized in that: the fixed column (702)
One end far from winding motor (901) is set as taper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811331921.0A CN109132871A (en) | 2018-11-09 | 2018-11-09 | A kind of overhead and gantry cranes frequency-variable controller |
Applications Claiming Priority (1)
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CN201811331921.0A CN109132871A (en) | 2018-11-09 | 2018-11-09 | A kind of overhead and gantry cranes frequency-variable controller |
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CN201811331921.0A Pending CN109132871A (en) | 2018-11-09 | 2018-11-09 | A kind of overhead and gantry cranes frequency-variable controller |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101525107A (en) * | 2009-03-20 | 2009-09-09 | 深圳市科姆龙电气技术有限公司 | Frequency hoisting control system |
CN201742371U (en) * | 2010-04-26 | 2011-02-09 | 卧龙电气集团股份有限公司 | Integral movable variable-frequency speed-adjusting device |
CN104426013A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Extensible power supply socket |
WO2016088662A1 (en) * | 2014-12-05 | 2016-06-09 | 株式会社神戸製鋼所 | Electric winch device and mobile crane |
JP2017193400A (en) * | 2016-04-19 | 2017-10-26 | 株式会社エス・ケー・ケー | Grab dredge machine |
-
2018
- 2018-11-09 CN CN201811331921.0A patent/CN109132871A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101525107A (en) * | 2009-03-20 | 2009-09-09 | 深圳市科姆龙电气技术有限公司 | Frequency hoisting control system |
CN201742371U (en) * | 2010-04-26 | 2011-02-09 | 卧龙电气集团股份有限公司 | Integral movable variable-frequency speed-adjusting device |
CN104426013A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Extensible power supply socket |
WO2016088662A1 (en) * | 2014-12-05 | 2016-06-09 | 株式会社神戸製鋼所 | Electric winch device and mobile crane |
JP2017193400A (en) * | 2016-04-19 | 2017-10-26 | 株式会社エス・ケー・ケー | Grab dredge machine |
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Application publication date: 20190104 |