CN104495671A - Method, device and system for controlling super-lifting winch and crane - Google Patents

Method, device and system for controlling super-lifting winch and crane Download PDF

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Publication number
CN104495671A
CN104495671A CN201410735223.2A CN201410735223A CN104495671A CN 104495671 A CN104495671 A CN 104495671A CN 201410735223 A CN201410735223 A CN 201410735223A CN 104495671 A CN104495671 A CN 104495671A
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CN
China
Prior art keywords
actual
information
lift winch
super lift
teeth
Prior art date
Application number
CN201410735223.2A
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Chinese (zh)
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CN104495671B (en
Inventor
方杰平
郭纪梅
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中联重科股份有限公司
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Priority to CN201410735223.2A priority Critical patent/CN104495671B/en
Publication of CN104495671A publication Critical patent/CN104495671A/en
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Publication of CN104495671B publication Critical patent/CN104495671B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/06Arrangements or use of warning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/40Control devices
    • B66D1/48Control devices automatic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear

Abstract

The invention discloses a method, a device and a system for controlling a super-lifting winch and a crane. By adopting the method, the device and the system, the teeth falling accuracy of the super-lifting winch is improved, the steel wire rope length control accuracy is improved and the use safety of the crane is improved. The control method comprises the following steps: receiving actual amplitude-changing angle information of a telescopic boom amplitude-changing cylinder of the crane, the actual tension information of the steel wire rope and the actual revolution information of the super-lifting winch under the current working condition; controlling a locking device in the crane to release the super-lifting winch when the actual amplitude-changing angle information is greater than a predetermined amplitude-changing angle; the predetermined target revolutions and the actual revolution information matched with the current working condition are subtracted; the super-lifting winch is controlled to rotate according to the obtained difference value; when the actual tension information is smaller than the predetermined tension value, and the difference value between the target revolutions and the actual revolution information is smaller than the predetermined revolution differential value, the locking device is controlled to lock the super-lifting winch for the first time.

Description

The control method of super lift winch, device, system and hoisting crane
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of control method of super lift winch, device, system and hoisting crane.
Background technology
Along with the development of the industries such as wind-powered electricity generation, nuclear power, chemical industry, parts are modularization and maximization day by day, increasing to the demand of hoister in large tonnage, require that lifting height of crane and lifted load increase, therefore conventional telescopic arm crane is just towards maximization future development.But high lifting altitude and heavy lifted load are by larger for the component caused on principal arm shear direction, make the amount of deflection of telescopic boom in luffing plane larger, and the telescopic boom less stable of plane of rotation, even if by increasing telescopic boom length, optimize telescopic boom shape, increase telescopic boom sectional dimension, improve the thinkings such as telescopic boom strength of material also cannot solve the problem, therefore need by auxiliary device, principal arm lifting altitude and lifting capacity is promoted by improving arm force-bearing situation, to meet the requirement of market to hoister in large tonnage, thus the hoisting crane with super lifting device that has been born.
As shown in Figure 1, Fig. 1 is the hoisting crane in prior art with super lifting device, as shown in Figure 1, hoisting crane mainly comprises the structure of hoisting crane: steel rope 01, compensation mechanism 02 (this compensation mechanism can be such as oil cylinder, spring and so on carrying the elastic element shunk), rope press device 03, rear take-up device 04, telescopic boom 05, turntable 06, amplitude oil cylinder 07, super lift winch 08, latching device 09, assembly pulley 010 and surpassed mast 011.Wherein compensation mechanism 02, surpassed mast 011, latching device 09, rope press device 03 and super lift winch 08 and be collectively referred to as super lifting device, the steel rope 01 of drawing from super lift winch 08 through the assembly pulley 010 setting lead back super mast 011, and to be connected with compensation mechanism 02.One end of amplitude oil cylinder 07 is connected with telescopic boom 05, the other end of amplitude oil cylinder 07 with surpassed mast 011 and be connected.Amplitude oil cylinder 7 can by surpassed mast 011 and telescopic boom 05 be roughly the level of state starts luffing extremely with telescopic boom 05 in vertical state.Assembly pulley 010 is connected with the telescopic end of telescopic boom 05, one end of rear take-up device 04 with surpassed mast 011 front portion and be connected, the other end of the other end connection telescopic boom of rear take-up device 04 or turntable 06.Rope press device 03 can make steel rope 01 compression move, and latching device 09 can lock super lift winch 08.Pulling force can be applied between telescopic boom 05 and the movable end having surpassed mast 011 when steel rope is in tension, when rope capacity is suitable, this pulling force can improve the amount of deflection of telescopic boom 05, improve the strained condition of telescopic boom 05, and then length, the lifting altitude of telescopic boom can be improved and play the performances such as liter weight.
In prior art, in order to obtain suitable pulling force, the target low water latched position of corresponding super lift winch all can be set in different operating mode hoisting crane, the target number of turns namely set and the number of teeth, and then realize the control to the extension elongation of steel rope.But in practical operation, owing to there is error, easily occur that the actual low water latched position of super lift winch is different from the target low water latched position preset, and causes the length of steel rope long or too short, affects the serviceability of hoisting crane.
Summary of the invention
The invention provides a kind of control method of super lift winch, device, system and hoisting crane, in order to improve the tooth precision that falls of super lift winch, and then improve the control accuracy of rope capacity, improve the safety in utilization of hoisting crane.
For achieving the above object, the invention provides following technical scheme.
The invention provides a kind of control method of super lift winch, be applied in hoisting crane, comprise:
Receive the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
When described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information be less than the value of thrust that presets and the difference of the described target number of turns and described actual lap information is less than the number of turns difference preset time, controlling described latching device first time locks described super lift winch.
The control method of super lift winch provided by the invention, by detecting the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over, and these information detected are contrasted with the corresponding value preset, and control elevator running according to comparing result, namely consider that the factors such as pulling force suffered by telescopic boom change angle, steel rope are on the impact of steel rope actual length, by controlling the locked position of elevator, improve the control accuracy of steel wire length.
So the control method of super lift winch provided by the invention, improves the tooth precision that falls of super lift winch, and then improve the control accuracy of rope capacity.
In some optional embodiments, the control method of above-mentioned super lift winch also comprises: produce the first alerting signal when described actual change angle information is less than the change angle preset and/or regulate change angle signal.
In some optional embodiments, the control method of above-mentioned super lift winch also comprises: produce the second alerting signal when described actual pulling force information is greater than the value of thrust preset.
In some optional embodiments, the control method of above-mentioned super lift winch also comprises:
Receive after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
When described number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
Present invention also offers a kind of control setup of super lift winch, be applied in hoisting crane, comprise:
First receiver module, for receiving the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
First processing module, for when described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information is less than the value of thrust preset, and the difference of the described target number of turns and described actual lap information is when being less than the number of turns difference preset, control described latching device and lock described super lift winch for the first time.
In some optional embodiments, described first processing module is also for producing the first alerting signal and/or regulating change angle signal when described actual change angle information is less than the change angle preset.
In some optional embodiments, described first processing module is also for producing the second alerting signal when described actual pulling force is greater than the value of thrust information preset.
In some optional embodiments, the control setup of above-mentioned super lift winch also comprises:
Second receiver module, for receiving after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
Second processing module, for be not equal to when described number of actual teeth information preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
Present invention also offers a kind of control assembling system of super lift winch, be applied in hoisting crane, comprise:
Angle acquisition device, for gathering the actual change angle information of the telescopic boom amplitude oil cylinder of hoisting crane under current working;
Pulling force harvester, for gathering the actual pulling force information of described steel rope;
Number of turns harvester, for gathering the actual lap information that described super lift winch turns over;
The controller be connected with described angle acquisition device, described pulling force harvester and described number of turns harvester signal respectively, the actual change angle information that described controller collects for receiving described angle acquisition device; Also for receiving actual pulling force information that described pulling force harvester collects and the actual lap information that described number of turns harvester gathers; Also for when described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information be less than the value of thrust that presets and the difference of the described target number of turns and described actual lap information is less than the number of turns difference preset time, controlling described latching device first time locks described super lift winch.
In some optional embodiments, the control system of above-mentioned super lift winch also comprises:
The first warning device be connected with described controller signals, described controller produces the first alerting signal and/or regulates change angle signal when being less than according to described actual change angle information the change angle preset, the first alerting signal that described first warning device produces for receiving described controller, and according to the described first alerting signal alarm received.
In some optional embodiments, the control system of above-mentioned super lift winch also comprises:
The Secondary Report alarm device be connected with described controller signals, described controller produces the second alerting signal when being greater than according to described actual pulling force information the value of thrust preset, the second alerting signal that described Secondary Report alarm device produces for receiving described controller, and according to the described second alerting signal alarm received.
In some optional embodiments, the control system of above-mentioned super lift winch also comprises:
The number of teeth harvester be connected with described controller signals, for gathering after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
Described controller is also for receiving the number of actual teeth information that described number of teeth harvester collects, when described number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
Present invention also offers a kind of hoisting crane, comprise the control system of the super lift winch described in above-mentioned any one.Due to the control system of above-mentioned super lift winch, the tooth precision that falls of super lift winch can be improved, and then improve the control accuracy of rope capacity, so hoisting crane provided by the invention, has higher safety in utilization.
Accompanying drawing explanation
Fig. 1 is the hoisting crane in prior art with super lifting device;
The control method diagram of circuit of the super lift winch that Fig. 2 provides for the embodiment of the present invention;
The control setup structural representation of the super lift winch that Fig. 3 provides for the embodiment of the present invention;
The Control system architecture schematic diagram of the super lift winch that Fig. 4 provides for the embodiment of the present invention;
The workflow schematic diagram of control system one specific embodiment of the super lift winch that Fig. 5 provides for the embodiment of the present invention.
Reference numeral:
01-steel rope 02-compensation mechanism
Take-up device after 03-rope press device 04-
05-telescopic boom 06-turntable
07-amplitude oil cylinder 08-surpasses lift winch
09-latching device 010-assembly pulley
011-has surpassed mast 1-first receiver module
2-first processing module 3-second receiver module
4-second processing module 5-output module
6-angle acquisition device 7-pulling force harvester
8-number of turns harvester 9-controller
10-first warning device 11-Secondary Report alarm device
12-number of teeth harvester 13-display terminal
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of patent protection of the present invention.
In order to improve the tooth precision that falls of super lift winch, and then improve the control accuracy of rope capacity, as shown in Figure 2, the control method diagram of circuit of the super lift winch that Fig. 2 provides for the embodiment of the present invention, the invention provides a kind of control method of super lift winch, be applied in hoisting crane, comprise:
Step S201: receive the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
Step S202: when actual change angle information is greater than the change angle preset, the latching device controlled in hoisting crane unclamps super lift winch, by preset with current working coupling the target number of turns and actual lap information poor, and control the rotation of super lift winch according to the difference obtained, until actual pulling force information be less than the value of thrust that presets and the difference of the target number of turns and actual lap information is less than the number of turns difference preset time, control the super lift winch of latching device first time locking.
The control method of super lift winch provided by the invention, by detecting the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over, and these information detected are contrasted with the corresponding value preset, and control elevator running according to comparing result, namely consider that the factors such as pulling force suffered by telescopic boom change angle, steel rope are on the impact of steel rope actual length, by controlling the locked position of elevator, improve the control accuracy of steel wire length.
So the control method of super lift winch provided by the invention, improves the tooth precision that falls of super lift winch, and then improve the control accuracy of rope capacity.
It should be noted that: the above-mentioned target number of turns, the change angle of setting, the value of thrust of setting and the target number of teeth hereinafter mentioned, those skilled in the art can rule of thumb set.
The super lift winch of above-mentioned control latching device first time locking specifically comprises: elevator latching device falls, and press the super lift winch action of setting speed control, whether the proximity switch in super lift winch detects super lift winch and falls in the locking slot of latching device, if proximity switch detects that super lift winch falls into, then latching device will pin super lift winch; If proximity switch does not detect super lift winch, continuation is pressed setting speed and control super lift winch action, until proximity switch detects super lift winch, latching device will pin super lift winch.
In control process, the actual change angle gathered and actual pulling force information are constantly changing, therefore further, the control method of above-mentioned super lift winch also comprises: produce the first alerting signal when actual change angle information is less than the change angle preset and/or regulate change angle signal.In the control method of above-mentioned super lift winch, when actual change angle information is less than the change angle preset, the first alerting signal can be produced, control telescopic boom amplitude oil cylinder to remind operating personal and continue luffing; Or while generation first alerting signal, also produce and regulate change angle signal; Also or not produce alerting signal and directly produce adjustment change angle signal.
When the pulling force that steel rope is subject to is excessive, the intensity of steel rope and actual length all will be affected, and then will number of actual teeth and the number of turns of elevator be affected, in order to improve the tooth precision that falls of super lift winch, the control method of above-mentioned super lift winch also comprises: produce the second alerting signal when actual pulling force information is greater than the value of thrust preset.Namely when generation the second alerting signal, the pulling force that the now steel rope of indication is subject to is excessive, needs the steel rope that super lift winch is wound around to put down.
In order to improve the tooth precision that falls of super lift winch further, the control method of above-mentioned super lift winch also comprises:
Receive after super lift winch locked for the first time, the number of actual teeth information that super lift winch has turned over;
When number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control latching device and unclamp super lift winch, by the target number of teeth and number of actual teeth information poor, and control the rotation of super lift winch according to the difference obtained, until when the difference of the target number of teeth and number of actual teeth information is less than the number of teeth difference preset, control the super lift winch of latching device second time locking.Namely after first time regulates super lift winch locked position by the number of turns, if the number of actual teeth information of super lift winch is identical with the target number of teeth, then do not need to carry out the super lift winch of control latching device second time locking described above again; If after first time regulates super lift winch locked position by the number of turns, the number of actual teeth information of super lift winch is not identical with the target number of teeth, then need to pass through the second time number of teeth (regulating meticulousr than the number of turns) again and regulate the locked position accurately controlling super lift winch further.
Certainly, also directly can carry out number of teeth adjustment and regulate without the number of turns, but the speed of this adjustment is slower.
The super lift winch of above-mentioned control latching device second time locking is identical with the method that first time locks super lift winch, specifically comprise: elevator latching device falls, and press the super lift winch action of setting speed control, whether the proximity switch in super lift winch detects super lift winch and falls in the locking slot of latching device, if proximity switch detects that super lift winch falls into, then latching device will pin super lift winch; If proximity switch does not detect super lift winch, continuation is pressed setting speed and control super lift winch action, until proximity switch detects super lift winch, latching device will pin super lift winch.
A kind of specifically embodiment in, the control method of above-mentioned super lift winch also comprises:
Export the change angle of setting, the target number of turns and the target number of teeth.
Based on the identical inventive concept of above-mentioned control method, can build a kind of control setup corresponding with said method, the embodiment of the present invention additionally provides a kind of control setup of super lift winch as shown in Figure 3, is applied in hoisting crane, comprises:
First receiver module 1, for receiving the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
First processing module 2, for when actual change angle information is greater than the change angle preset, the latching device controlled in hoisting crane unclamps super lift winch, by preset with current working coupling the target number of turns and actual lap information poor, and control the rotation of super lift winch according to the difference obtained, until actual pulling force information be less than the value of thrust that presets and the difference of the target number of turns and actual lap information is less than the number of turns difference preset time, control the super lift winch of latching device first time locking.
Further, above-mentioned first processing module 2 is also for producing the first alerting signal and/or regulating change angle signal when actual change angle information is less than the change angle preset.
In a kind of concrete embodiment, above-mentioned first processing module 2 is also for producing the second alerting signal when actual pulling force information is greater than the value of thrust preset.
In another kind of detailed description of the invention, the control setup of above-mentioned super lift winch also comprises:
Second receiver module 3, for receiving after super lift winch locked for the first time, the number of actual teeth information that super lift winch has turned over;
Second processing module 4, for be not equal to when number of actual teeth information preset with current working coupling the target number of teeth information time, control latching device and unclamp super lift winch, by the target number of teeth and number of actual teeth information poor, and control the rotation of super lift winch according to the difference obtained, until when the difference of the target number of teeth and number of actual teeth information is less than the number of teeth difference preset, control the super lift winch of latching device second time locking.
The control setup of above-mentioned super lift winch also comprises:
Output module 5, for exporting the change angle of setting, the target number of turns and the target number of teeth.
Based on the identical inventive concept of above-mentioned control method, a kind of control system of super lift winch can be built, this control system is applicable to above-mentioned control method, as shown in Figure 4, the Control system architecture schematic diagram of the super lift winch that Fig. 4 provides for the embodiment of the present invention, present invention also offers a kind of control assembling system of super lift winch, be applied in hoisting crane, comprise:
Angle acquisition device 6, for gathering the actual change angle information of the telescopic boom amplitude oil cylinder of hoisting crane under current working;
Pulling force harvester 7, for gathering the actual pulling force information of steel rope;
Number of turns harvester 8, for gathering the actual lap information that super lift winch turns over;
The controller 9 be connected with angle acquisition device 6, pulling force harvester 7 and number of turns harvester 8 signal respectively, the actual change angle information that controller 9 collects for receiving angle harvester 6; Also for receiving actual pulling force information that pulling force harvester 7 collects and the actual lap information that number of turns harvester 8 gathers; Also for when actual change angle information is greater than the change angle preset, the latching device controlled in hoisting crane unclamps super lift winch, by preset with current working coupling the target number of turns and actual lap information poor, and control the rotation of super lift winch according to the difference obtained, until actual pulling force information be less than the value of thrust that presets and the difference of the target number of turns and actual lap information is less than the number of turns difference preset time, control the super lift winch of latching device first time locking.
The control system of super lift winch provided by the invention in use, by angle acquisition device 6, pulling force harvester 7 and number of turns harvester 8 detect the actual change angle information of the telescopic boom amplitude oil cylinder of hoisting crane under current working respectively, the actual lap information that the actual pulling force information of steel rope and super lift winch turn over, controller receives these information detected, and these information detected are contrasted with the corresponding value preset, and control elevator running according to comparing result, namely telescopic boom change angle is considered, the factors such as pulling force suffered by steel rope are on the impact of steel rope actual length, by controlling the locked position of elevator, improve the control accuracy of steel wire length.
So the control system of super lift winch provided by the invention, improves the tooth precision that falls of super lift winch, and then improve the control accuracy of rope capacity.
The concrete structure of above-mentioned angle acquisition device, pulling force harvester and number of turns harvester can have multiple, and optionally, above-mentioned angle acquisition device can be rotary encoder, and pulling force harvester can be pulling force sensor.
Further, the control system of above-mentioned super lift winch also comprises:
The first warning device 10 be connected with controller 9 signal, controller 9 produces the first alerting signal and/or regulates change angle signal when being less than according to actual change angle information the change angle preset, the first alerting signal that first warning device 10 produces for receiving controller, and according to the first alerting signal alarm received.
When the pulling force that steel rope is subject to is excessive, the intensity of steel rope and actual length all will be affected, and then will affect number of actual teeth and the number of turns of elevator, in order to improve the tooth precision that falls of super lift winch, further, the control system of above-mentioned super lift winch also comprises:
The Secondary Report alarm device 11 be connected with controller 9 signal, controller 9 produces the second alerting signal when being greater than according to actual pulling force information the value of thrust preset, the second alerting signal that Secondary Report alarm device 11 produces for receiving controller, and according to the second alerting signal alarm received.
In order to improve the tooth precision that falls of super lift winch further, the control system of above-mentioned super lift winch also comprises:
The number of teeth harvester 12 be connected with controller 9 signal, for gathering after super lift winch locked for the first time, the number of actual teeth information that super lift winch has turned over;
Controller 9 is also for receiving the number of actual teeth information that number of teeth harvester 12 collects, when number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control latching device and unclamp super lift winch, by the target number of teeth and number of actual teeth information poor, and control the rotation of super lift winch according to the difference obtained, until when the difference of the target number of teeth and number of actual teeth information is less than the number of teeth difference preset, control the super lift winch of latching device second time locking.Namely regulated after super lift winch locked position by the number of turns through first time, if the number of actual teeth information of super lift winch that number of teeth harvester collects is identical with the target number of teeth, does not then need to carry out control latching device described above again and lock super lift winch for the second time; If after first time regulates super lift winch locked position by the number of turns, the number of actual teeth information of super lift winch is not identical with the target number of teeth, then need to pass through the second time number of teeth (regulating meticulousr than the number of turns) again and regulate the locked position accurately controlling super lift winch further.
In the process of the tight super lift winch of certain above-mentioned second time locking, also can consider whether the pulling force information that steel rope receives is greater than the value of thrust preset.
The concrete acquisition principle of above-mentioned number of turns harvester can have multiple, in a kind of optional embodiment can: on each tooth of super lift winch, be provided with the identification information representing this tooth, what namely first tooth is arranged is the first identification information, what the second tooth was arranged is the second identification information, the like, above-mentioned identification information specifically can have multiple, such as bar code etc., super lift winch device is in rotation process, scan module constantly gathers the identification information on each tooth, processing module is according to collecting identical identification information number of times and last identification information can calculate the actual number of teeth turned over of excess of export lift winch.
Optionally, above-mentioned first warning device is signal lamp or buzzer phone; Secondary Report alarm device is signal lamp or buzzer phone.
In a kind of concrete embodiment, the control system of above-mentioned super lift winch also comprises:
The display terminal 13 be connected with controller signals, display terminal is used for the change angle of display setting, the target number of turns and the target number of teeth.The change angle set, the target number of turns and the target number of teeth can flow to display terminal by bus.
Below in conjunction with accompanying drawing 5, be described in detail for the control system of a detailed description of the invention to super lift winch provided by the invention, wherein: the workflow schematic diagram of control system one specific embodiment of the super lift winch that Fig. 5 provides for the embodiment of the present invention.
The workflow of control system one specific embodiment of the super lift winch that the embodiment of the present invention provides specifically comprises:
Step S501: the super lifting device starting hoisting crane, presses and the control button needing operating mode corresponding;
Step S502: according to the super lifting working condition pattern selected, the corresponding target number of turns of Auto-matching and the number of teeth;
Step S503: detect telescopic boom and whether stretched by current working, if so, perform step S504, if not, performs step S502;
Step S504: the actual change angle information of the telescopic boom amplitude oil cylinder of hoisting crane under reception current working, and judge whether actual change angle information is greater than the change angle preset, if so, perform step S505, if not, step S506 and/or step S507 is performed;
Step S505: receive the actual lap information that super lift winch turns under current working, elevator lock-off, and according to the deviation of the super lift winch target number of turns and actual lap information, control super lift winch according to deviation action;
Step S506: produce the first alerting signal;
Step S507: produce and regulate change angle signal;
Step S508: the actual pulling force information of steel rope under detection current working, and judge whether actual pulling force information is greater than the value of thrust preset, if so, then perform step S509, if not, then perform step S510;
Step S509: produce the second alerting signal;
Step S510: the actual lap information that under detection current working, super lift winch turns over, and judge whether the difference of actual lap information and the target number of turns is less than the number of turns difference of setting, if so, perform step S511; If not, step S505 is performed;
Step S511: elevator latching device falls, and control super lift winch action according to setting speed;
Step S512: judge that the locking of super lift winch low water puts in place? if so, perform step S513, if not, perform step S511;
Step S513: the super lift winch of latching device first time locking;
Step S514: after super lift winch is locked for the first time, detects the number of actual teeth information that super lift winch has turned over;
Step S515: judge that whether number of actual teeth equal with the target number of teeth? if so, perform step S516, if not, perform step S517;
Step S516: terminate super lift winch locked position and control;
Step S517: super lift winch lock-off, the deviation control according to number of actual teeth and the target number of teeth surpasses lift winch action;
Step S518: judge whether the difference of the target number of teeth and number of actual teeth information is less than the number of teeth difference preset, if so, performs step S519; If not, step S517 is performed;
Step S519: elevator latching device falls, and control super lift winch action according to setting speed;
Step S520: judge that the locking of super lift winch low water puts in place? if so, perform step S521, if not, perform step S519, step S515 and step S516.
Step S521: the super lift winch of latching device second time locking.
Also comprise between above-mentioned steps S517 and step S518: step: the actual pulling force information of steel rope under detection current working, and judge whether actual pulling force information is greater than the value of thrust preset, if so, then perform generation second and to report to the police signals step, if not, then step S518 is performed;
Based on the advantage of the control system of above-mentioned super lift winch, present invention also offers a kind of hoisting crane, comprise the control system of the super lift winch of above-mentioned any one.Due to the control system of above-mentioned super lift winch, the tooth precision that falls of super lift winch can be improved, and then improve the control accuracy of rope capacity, so hoisting crane provided by the invention, has higher safety in utilization.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (13)

1. a control method for super lift winch, is applied in hoisting crane, it is characterized in that, comprising:
Receive the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
When described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information be less than the value of thrust that presets and the difference of the described target number of turns and described actual lap information is less than the number of turns difference preset time, controlling described latching device first time locks described super lift winch.
2. the control method of super lift winch as claimed in claim 1, is characterized in that, also comprise:
Produce the first alerting signal when described actual change angle information is less than the change angle preset and/or regulate change angle signal.
3. the control method of super lift winch as claimed in claim 1, is characterized in that, also comprise:
The second alerting signal is produced when described actual pulling force information is greater than the value of thrust preset.
4. the control method of the super lift winch as described in any one of claims 1 to 3, is characterized in that, also comprise:
Receive after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
When described number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
5. a control setup for super lift winch, is applied in hoisting crane, it is characterized in that, comprising:
First receiver module, for receiving the actual lap information that the actual change angle information of telescopic boom amplitude oil cylinder of hoisting crane under current working, the actual pulling force information of steel rope and super lift winch turn over;
First processing module, for when described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information is less than the value of thrust preset, and the difference of the described target number of turns and described actual lap information is when being less than the number of turns difference preset, control described latching device and lock described super lift winch for the first time.
6. the control setup of super lift winch as claimed in claim 5, is characterized in that, described first processing module is also for producing the first alerting signal and/or regulating change angle signal when described actual change angle information is less than the change angle preset.
7. the control setup of super lift winch as claimed in claim 5, it is characterized in that, described first processing module is also for producing the second alerting signal when described actual pulling force information is greater than the value of thrust preset.
8. the control setup of the super lift winch as described in any one of claim 5 ~ 7, is characterized in that, also comprise:
Second receiver module, for receiving after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
Second processing module, for be not equal to when described number of actual teeth information preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
9. a control system for super lift winch, is applied in hoisting crane, it is characterized in that, comprising:
Angle acquisition device, for gathering the actual change angle information of the telescopic boom amplitude oil cylinder of hoisting crane under current working;
Pulling force harvester, for gathering the actual pulling force information of described steel rope;
Number of turns harvester, for gathering the actual lap information that described super lift winch turns over;
The controller be connected with described angle acquisition device, described pulling force harvester and described number of turns harvester signal respectively, the actual change angle information that described controller collects for receiving described angle acquisition device; Also for receiving actual pulling force information that described pulling force harvester collects and the actual lap information that described number of turns harvester gathers; Also for when described actual change angle information is greater than the change angle preset, the latching device controlled in described hoisting crane unclamps described super lift winch, by preset with current working coupling the target number of turns and described actual lap information poor, and control described super lift winch rotation according to the difference obtained, until described actual pulling force information be less than the value of thrust that presets and the difference of the described target number of turns and described actual lap information is less than the number of turns difference preset time, controlling described latching device first time locks described super lift winch.
10. the control system of super lift winch as claimed in claim 9, is characterized in that, also comprise:
The first warning device be connected with described controller signals, described controller produces the first alerting signal and/or regulates change angle signal when being less than according to described actual change angle information the change angle preset, the first alerting signal that described first warning device produces for receiving described controller, and according to the described first alerting signal alarm received.
The control system of 11. super lift winchs as claimed in claim 9, is characterized in that, also comprise:
The Secondary Report alarm device be connected with described controller signals, described controller produces the second alerting signal when being greater than according to described actual pulling force information the value of thrust preset, the second alerting signal that described Secondary Report alarm device produces for receiving described controller, and according to the described second alerting signal alarm received.
The control system of 12. super lift winchs as described in any one of claim 9 ~ 11, is characterized in that, also comprise:
The number of teeth harvester be connected with described controller signals, for gathering after described super lift winch locked for the first time, the number of actual teeth information that described super lift winch has turned over;
Described controller is also for receiving the number of actual teeth information that described number of teeth harvester collects, when described number of actual teeth information be not equal to preset with current working coupling the target number of teeth information time, control described latching device and unclamp described super lift winch, by the described target number of teeth and described number of actual teeth information poor, and control described super lift winch rotation according to the difference obtained, until when the difference of the described target number of teeth and described number of actual teeth information is less than the number of teeth difference preset, controls described latching device second time and lock described super lift winch.
13. 1 kinds of hoisting cranes, is characterized in that, comprise the control system of the super lift winch as described in any one of claim 9 ~ 12.
CN201410735223.2A 2014-12-04 2014-12-04 Method, device and system for controlling super-lifting winch and crane CN104495671B (en)

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KR0182823B1 (en) * 1994-09-26 1999-10-01 카타다 테쯔야 Prevention apparatus from confused steel wire rope winding movable winch
CN102431899A (en) * 2011-11-24 2012-05-02 徐州重型机械有限公司 Super-lift winch control system and crane using the same
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