CN102674158A - Crane derrick electric control system and crane including same - Google Patents
Crane derrick electric control system and crane including same Download PDFInfo
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- CN102674158A CN102674158A CN2012100776901A CN201210077690A CN102674158A CN 102674158 A CN102674158 A CN 102674158A CN 2012100776901 A CN2012100776901 A CN 2012100776901A CN 201210077690 A CN201210077690 A CN 201210077690A CN 102674158 A CN102674158 A CN 102674158A
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Abstract
The invention provides a crane derrick electric control system comprising a controller (100), a working condition selecting switch (200), a display (300) and a data collector (400). The controller (100) selects the work mode according to an input signal received from the working condition selecting switch (200); the display (300) is connected with the controller (1) through a bus; the data collector (400) is used for collecting the movement real-time state signal of the derrick and sending the signal to the controller (100); the controller (100) also is connected with an electromagnetic valve (600) and a proportioning valve (700). The controller (100) controls the expansion of a lifting cylinder by the electromagnetic valve (600), and controls the rotation of a winch by the proportioning valve (700). The system has advantages that not only the intelligent control of the main amplitude derrick is realized but also the error operation caused by manual operation is reduced, and the human-machine interface real-time display is realized.
Description
Technical field
The present invention relates to a kind of mast jacking system, relate in particular to a kind of crane mast electric control system and comprise the hoisting crane of this system.
Background technology
In the hoisting crane industry, the disassemble and assemble work of hoisting crane is frequent.Often adopt the cocked of M/C main amplitude mast at present and transfer action.The receipts rope of cocked and flexible, the main transformer width of cloth elevator of transferring action and cocked cylinder of main amplitude mast, to put the rope action closely bound up, and these two processes are accomplished driving in-house operation through operating personal, and whole process is loaded down with trivial details.
But, owing to adopt manually control, in the process of operation,, add that artificial control factor is more owing to be difficult to guarantee higher harmony, maloperation takes place easily.
To this problem; An existing solution is: the disclosed application number of China national Department of Intellectual Property is: 200910197992.0; Name is called a kind of hydraulic system for automatically controlling mast retraction that the patent application document of " hydraulic system for automatically controlling mast retraction of crawler crane " provides; But it mainly solves crane mast automatic deploying and retracting, the problem of disorder cable not, aspect man-machine interaction, does also not enoughly, and intelligent degree is not high.
Therefore, provide a kind of and can control the mast automatic lifting, intelligent control, and crane mast electric control system simple to operate and comprise that the hoisting crane of this system just seems particularly important.
Summary of the invention
Problem to above-mentioned existence; The purpose of this invention is to provide the control system that a kind of crane mast is cocked automatically, transfer; With the maloperation problem avoiding occurring may causing in the manual operation, overcome loaded down with trivial details operating process, promote the operative intelligence degree of car load.
The present invention realizes through following scheme:
A kind of crane mast electric control system wherein, comprising: controller, mode selection switch, telltale and data trap;
Said controller is selected mode of operation according to the incoming signal that receives from said mode selection switch;
Said telltale is through the said controller of total wire joint;
Said data trap is used to gather the motion real-time status signal of mast and said signal is sent to said controller;
Said controller also connects electromagnetic valve and apportioning valve, and said controller is flexible through said solenoid control cocked cylinder, and said controller rotates through said proportional valve control elevator.
Above-mentioned crane mast electric control system; Wherein, Said controller comprises that through bus bonded assembly first controller and second controller, said first controller is arranged in the operator's compartment, and said second controller is arranged in the switch box; Said first controller is used for receiving signal from said data trap, and said second controller is used for receiving signal from said mode selection switch.
Above-mentioned crane mast electric control system, wherein, said mode selection switch comprises:
Whether first switch is used for selecting cocked automatically;
Second switch, have cocked with transfer two gears.
Above-mentioned crane mast electric control system, wherein, said data trap comprises:
First data trap is used to gather mast angular dimension information;
Second data trap is used to gather the oil cylinder working-pressure size information;
The 3rd data trap is used to gather the mast information that whether puts in place.
Above-mentioned crane mast electric control system, wherein, said first data trap is an angular transducer, is arranged on the mast.
Above-mentioned crane mast electric control system, wherein, said second data trap comprises two pressure sensors, from left and right two oil cylinders, gathers the pressure size information respectively.
Above-mentioned crane mast electric control system, wherein, said the 3rd data trap is a limit switch.
Above-mentioned crane mast electric control system, wherein, said telltale is a LCD display, is installed in the operator's compartment of hoisting crane.
Above-mentioned crane mast electric control system is characterized in that said electromagnetic valve is arranged on the platform.
According to another aspect of the present invention, a kind of hoisting crane is provided also, comprises mast, master winch, wherein, also comprise above-mentioned crane mast electric control system.
Advantage of the present invention is:
The intellectuality control of 1) can realize that main amplitude mast is cocked, transferring;
2) reduce the maloperation that manual operation produces; And
3) simple to operate, reliable, man-machine interface shows in real time.
Description of drawings
Fig. 1 is the structure principle chart of a kind of crane mast electric control system of the present invention.
The specific embodiment
Below in conjunction with schematic diagram and concrete operations embodiment the present invention is described further.
As shown in Figure 1, crane mast electric control system of the present invention comprises: controller 100, mode selection switch 200, telltale 300 and data trap 400.Particularly, said controller 100 is selected mode of operation according to the incoming signal that receives from said mode selection switch 200, and is cocked or transfer to carry out full automaticity; Said telltale 300 is through the said controller 100 of total wire joint, and through the information of real-time output crane main amplitude mast angle value and cocked cylinder force value, the assurance operating personal is kept watch on operational process of the present invention; Said data trap 400 is used to gather the motion real-time status signal of mast and said signal is sent to said controller 100; Said controller 100 also connects electromagnetic valve 600 and apportioning valve 700, and said controller 100 is flexible through said electromagnetic valve 600 control cocked cylinders, and said controller 100 rotates through said apportioning valve 700 control elevators.Controller of the present invention carries out analytical calculation according to the status signal that sends over from data trap 400, and cocked cylinder electromagnetic valve and elevator main valve proportion electro-magnet are reasonably controlled, and realizes the cocked and key lowering function of a key of main amplitude mast.
With reference to a specific embodiment shown in Figure 1; Said controller 100 comprises through bus bonded assembly first controller 101 and second controller 102; Said first controller 101 is arranged in the operator's compartment; Said second controller 102 is arranged in the switch box, and said first controller 101 is used for receiving signal from said data trap 400, and said second controller 102 is used for receiving signal from said mode selection switch 200.It will be appreciated by those skilled in the art that controller 100 can adopt a plurality of different functional to realize perhaps providing the module of an integrated multifunction to control as required, preferably, adopts a controller to control electric system of the present invention.
Further, mode selection switch 200 of the present invention comprises: whether first switch 201 is used for selecting cocked automatically; Second switch 202, have cocked with transfer two gears.
The status information that said data trap 400 of the present invention is gathered mast through following a plurality of collectors comprises:
First data trap 401 is used to gather mast angular dimension information;
Second data trap 402 is used to gather the oil cylinder working-pressure size information;
The 3rd data trap 403 is used to gather the mast information that whether puts in place.
Particularly, said first data trap 401 is angular transducers, is arranged on the mast.
More particularly, said second data trap 402 comprises two pressure sensors, from left and right two oil cylinders, gathers the pressure size information respectively.
Said the 3rd data trap 403 among Fig. 1 is limit switches.
In a preference, said telltale 300 is a LCD display, is installed in the operator's compartment of hoisting crane.
In a variant, do not adopt telltale to show in real time, use LED light to replace telltale, judge whether normal operation of system of the present invention through LED light.
It will be appreciated by those skilled in the art that said electromagnetic valve 600 is arranged on the platform.
The present invention also discloses a kind of hoisting crane, comprises mast, master winch, it is characterized in that, also comprises any described crane mast electric control system in the claim 1 to 9.
Electric control system of the present invention is carried out following steps successively when carrying out automatic cocked mast:
Step 1, pressure sensor detect oil cylinder working-pressure less than first threshold (getting pressure the greater in the left and right oil cylinder), and cocked cylinder stretches out.(oil cylinder does not contact with mast)
Step 2, oil cylinder working-pressure are more than or equal to second threshold value; And when left and right carriage all contacted with mast, cocked cylinder continued to stretch out, and the main transformer width of cloth begins to put rope; And be that second threshold value is a controlled target with oil cylinder working-pressure; With main transformer amplitude velocity degree is controlled object, puts rope speed when oil cylinder working-pressure reduces the main transformer width of cloth during less than second threshold value, puts rope speed when oil cylinder working-pressure increases the main transformer width of cloth during greater than the 3rd threshold value.(play mast and put the rope process, comprise that half way is cocked again after stopping)
Step 3, oil cylinder working-pressure be more than or equal to first threshold, and left and right carriage is not when contacting with mast, and cocked cylinder stops to stretch out, and the main transformer width of cloth stops.(having played mast) to the top
Electric control system of the present invention is carried out following steps successively when transferring mast automatically:
Step 1, oil cylinder working-pressure are less than first threshold (getting pressure the greater in the left and right oil cylinder), and the control cocked cylinder stretches out; (oil cylinder does not contact with mast is stressed, or does not extend out to full length)
Step 2, oil cylinder working-pressure be more than or equal to first threshold, and left and right carriage is not when all contacting with mast, and cocked cylinder stops, and the main transformer width of cloth begins to receive rope with 50% speed; (oil cylinder extend out to full length, and mast is drawn close to oil cylinder)
Step 3, oil cylinder working-pressure are more than or equal to first threshold; And when left and right carriage all contacted with mast, cocked cylinder stopped, and the main transformer width of cloth begins to receive rope with 20% speed; And be that the 3rd threshold value is a controlled target with oil cylinder working-pressure; With main transformer amplitude velocity degree is controlled object, receives rope speed when oil cylinder working-pressure increases the main transformer width of cloth during less than second threshold value, receives rope speed when oil cylinder working-pressure reduces the main transformer width of cloth during greater than the 3rd threshold value.(mast that falls is received the rope process, comprises the mast that falls again after half way stops);
Step 4, mast clip angle limit switch trigger, and stop the main transformer width of cloth and receive rope; (a key lowering function stops, and follow-up usefulness manually control is transferred mast to platform).
Through electric control system of the present invention, can realize that a key is cocked or transfer the function of mast.
The size that it will be appreciated by those skilled in the art that the said first threshold and second threshold value can be provided with different values as required, and those skilled in the art can combine existing techniques in realizing, do not repeat them here.
More than specific embodiment of the present invention is described in detail, but the present invention is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (10)
1. a crane mast electric control system is characterized in that, comprising: controller (100), mode selection switch (200), telltale (300) and data trap (400);
Said controller (100) is selected mode of operation according to the incoming signal that receives from said mode selection switch (200);
Said telltale (300) is through the said controller of total wire joint (100);
Said data trap (400) is used to gather the motion real-time status signal of mast and said signal is sent to said controller (100);
Said controller (100) also connects electromagnetic valve (600) and apportioning valve (700); Said controller (100) is flexible through said electromagnetic valve (600) control cocked cylinder, and said controller (100) rotates through said apportioning valve (700) control elevator.
2. crane mast electric control system according to claim 1; It is characterized in that; Said controller (100) comprises through bus bonded assembly first controller (101) and second controller (102); Said first controller (101) is arranged in the operator's compartment; Said second controller (102) is arranged in the switch box, and said first controller (101) is used for receiving signal from said data trap (400), and said second controller (102) is used for receiving signal from said mode selection switch (200).
3. crane mast electric control system according to claim 1 is characterized in that, said mode selection switch (200) comprising:
Whether first switch (201) is used for selecting cocked automatically;
Second switch (202), have cocked with transfer two gears.
4. crane mast electric control system according to claim 1 is characterized in that, said data trap (400) comprising:
First data trap (401) is used to gather mast angular dimension information;
Second data trap (402) is used to gather the oil cylinder working-pressure size information;
The 3rd data trap (403) is used to gather the mast information that whether puts in place.
5. crane mast electric control system according to claim 4 is characterized in that, said first data trap (401) is an angular transducer, is arranged on the mast.
6. crane mast electric control system according to claim 4 is characterized in that, said second data trap (402) comprises two pressure sensors, from left and right two oil cylinders, gathers the pressure size information respectively.
7. crane mast electric control system according to claim 4 is characterized in that, said the 3rd data trap (403) is a limit switch.
8. crane mast electric control system according to claim 1 is characterized in that, said telltale (300) is a LCD display, is installed in the operator's compartment of hoisting crane.
9. crane mast electric control system according to claim 1 is characterized in that, said electromagnetic valve (600) is arranged on the platform.
10. a hoisting crane comprises mast, master winch, it is characterized in that, also comprises any described crane mast electric control system in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100776901A CN102674158A (en) | 2012-03-22 | 2012-03-22 | Crane derrick electric control system and crane including same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100776901A CN102674158A (en) | 2012-03-22 | 2012-03-22 | Crane derrick electric control system and crane including same |
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| Publication Number | Publication Date |
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| CN102674158A true CN102674158A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100776901A Pending CN102674158A (en) | 2012-03-22 | 2012-03-22 | Crane derrick electric control system and crane including same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058060A (en) * | 2013-02-04 | 2013-04-24 | 中联重科股份有限公司 | Method, equipment and system for controlling crane and hoisting arm thereof |
| CN103434936A (en) * | 2013-08-29 | 2013-12-11 | 徐州重型机械有限公司 | Automatic control method and system for lifting operation of crane |
| CN103466453A (en) * | 2013-09-29 | 2013-12-25 | 徐州重型机械有限公司 | Method and system for controlling winch of crane to move relative to lifting arm |
| CN103953085A (en) * | 2014-03-28 | 2014-07-30 | 贵州詹阳动力重工有限公司 | High-speed wheel type multifunctional loader loading device automatic control system |
| CN104591016A (en) * | 2015-01-15 | 2015-05-06 | 徐工集团工程机械股份有限公司 | Mast luffing system for crane and crane |
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| JPH07232897A (en) * | 1994-02-23 | 1995-09-05 | Nippon Steel Corp | Crane automatically operating method |
| CN1181348A (en) * | 1996-08-26 | 1998-05-13 | 日立建机株式会社 | Prevention sytem for overhoist of crane |
| DE10053485B4 (en) * | 2000-10-27 | 2005-12-01 | Linde Ag | Hydraulic drive device for tilting a load-bearing mast element |
| CN101700856A (en) * | 2009-10-30 | 2010-05-05 | 上海三一科技有限公司 | Hydraulic system for automatically controlling mast retraction of crawler crane |
| CN101885450A (en) * | 2010-07-26 | 2010-11-17 | 上海三一科技有限公司 | Crawler crane main amplitude mast and cocked cylinder secondary pressure adjustment system and method thereof |
| CN102275837A (en) * | 2011-06-14 | 2011-12-14 | 上海三一科技有限公司 | Super-lifting counter weight optimization control device and method and crane comprising same |
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2012
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| JPH07232897A (en) * | 1994-02-23 | 1995-09-05 | Nippon Steel Corp | Crane automatically operating method |
| CN1181348A (en) * | 1996-08-26 | 1998-05-13 | 日立建机株式会社 | Prevention sytem for overhoist of crane |
| DE10053485B4 (en) * | 2000-10-27 | 2005-12-01 | Linde Ag | Hydraulic drive device for tilting a load-bearing mast element |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058060A (en) * | 2013-02-04 | 2013-04-24 | 中联重科股份有限公司 | Method, equipment and system for controlling crane and hoisting arm thereof |
| CN103058060B (en) * | 2013-02-04 | 2015-10-28 | 中联重科股份有限公司 | Hoisting crane and arm control method, equipment and system |
| CN103434936A (en) * | 2013-08-29 | 2013-12-11 | 徐州重型机械有限公司 | Automatic control method and system for lifting operation of crane |
| CN103434936B (en) * | 2013-08-29 | 2015-06-17 | 徐州重型机械有限公司 | Automatic control method and system for lifting operation of crane |
| CN103466453A (en) * | 2013-09-29 | 2013-12-25 | 徐州重型机械有限公司 | Method and system for controlling winch of crane to move relative to lifting arm |
| CN103466453B (en) * | 2013-09-29 | 2015-08-19 | 徐州重型机械有限公司 | Control the method and system that crane hoisting is servo-actuated relative to arm |
| CN103953085A (en) * | 2014-03-28 | 2014-07-30 | 贵州詹阳动力重工有限公司 | High-speed wheel type multifunctional loader loading device automatic control system |
| CN104591016A (en) * | 2015-01-15 | 2015-05-06 | 徐工集团工程机械股份有限公司 | Mast luffing system for crane and crane |
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Application publication date: 20120919 |