CN102346023A - Measurement and control device and method for winding stroke, as well as engineering machinery - Google Patents
Measurement and control device and method for winding stroke, as well as engineering machinery Download PDFInfo
- Publication number
- CN102346023A CN102346023A CN2011101809842A CN201110180984A CN102346023A CN 102346023 A CN102346023 A CN 102346023A CN 2011101809842 A CN2011101809842 A CN 2011101809842A CN 201110180984 A CN201110180984 A CN 201110180984A CN 102346023 A CN102346023 A CN 102346023A
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- Prior art keywords
- wire rope
- elevator
- positional information
- angle information
- detects
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/46—Control devices non-automatic electric
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention provides a measurement and control device and a measurement and control method for a winding stroke, as well as engineering machinery. The device at least comprises an encoder and a displaying unit, wherein the input shaft of the encoder is connected with the axle center of a winding rotary drum and used for detecting the angle information of the winding rotary drum; and the displaying unit displays position information of winding according to the angle information detected by the encoder. By utilizing the device and the method, position information of a steel wire rope can be calculated according to the detected angle information of the winding rotary drum, and the steel wire rope can be controlled precisely according to the position information of the steel wire rope, so a target moving distance can be realized; and furthermore, the device has the advantages of high precision, good operability and the like.
Description
Technical field
The present invention relates to engineering machinery field, specifically, relate to a kind of measure and control device, method and engineering machinery of elevator stroke.
Background technology
In engineering machinery field, winding plant is a kind of widely used lifting mechanism, and its rotation through reel drives moving of wire rope, thereby realizes the lifting functions of engineering machinery.
In the prior art; When actions such as operation elevator; System can not provide the control method (such as moving distance to a declared goal by user's request) of quantification; This just causes when the location can only cause locating out of true with operator subjective judgement start and stop position, and this problem is particularly outstanding under situation such as lifting truss, positioning bolt hole.
Along with the fast development that Chinese national economy is built, the speeding up the construction of various heavy constructions, increase the increasing demand of engineering machinery the working-yard, also increasingly high to its performance demands.Therefore, how realizing a kind of pinpoint elevator stroke observing and controlling mode, to satisfy user's demand increasing to engineering machinery, is the technical matters that those skilled in the art need to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of measure and control device of elevator stroke, this device can be realized the accurate measurement of elevator stroke and/or accurately positioning control are improved the operability of elevator.
Elevator stroke measure and control device of the present invention comprises:
Scrambler, the input shaft of said scrambler is connected with the axle center of elevator cylinder, is used to detect the angle information of elevator cylinder;
Display unit, the angle information that said display unit detects according to said scrambler, the positional information of demonstration elevator.
Preferred as technique scheme, elevator stroke measure and control device of the present invention also comprises:
Computing unit, the angle information that said computing unit detects according to said scrambler, the positional information of calculating wire rope, said display unit shows the positional information of the wire rope that said computing unit calculates.
Preferred as technique scheme, said computing unit comprises:
Judge module, the angle information that said judge module detects according to said scrambler is judged the number of plies of wire rope in the elevator cylinder;
Computing module, the angle information that said computing module detects according to scrambler, and combine the radius of the different numbers of plies, calculate the positional information of wire rope.
Preferred as technique scheme, elevator stroke measure and control device of the present invention also comprises:
Input block, said input block is used to import the target moving distance of wire rope;
Control module, said control module is controlled said wire rope and is realized said target moving distance according to the angle information that said scrambler detects.
Another object of the present invention is to provide a kind of investigating method of elevator stroke, and this method may further comprise the steps:
Detect the angle information of elevator cylinder;
The positional information that shows elevator.
Preferred as technique scheme also comprises between said two steps:
According to the angle information that detects, calculate the positional information of wire rope, the positional information that is wherein shown is the positional information of wire rope.
Preferred as technique scheme, the positional information of said calculating wire rope is specially:
According to the angle information that detects, judge the number of plies of wire rope in the elevator cylinder;
According to the angle information that detects, and combine the radius of the different numbers of plies, calculate the positional information of wire rope.
Preferred as technique scheme, elevator stroke investigating method of the present invention also comprises:
The target moving distance of input wire rope;
According to the angle information that detects, control said wire rope and realize said target moving distance.
Another purpose of the present invention is to provide a kind of engineering machinery, and this project machinery uses aforesaid elevator stroke measure and control device or method.
Preferred as technique scheme, said engineering machinery is specially crane.
Elevator stroke measure and control device of the present invention, method and engineering machinery can be calculated the positional information of wire rope according to the elevator cylinder angle information that detects, and can accurately control wire rope in view of the above and realize target moving distance.Compared with prior art; The present invention can intuitively show the positional information of elevator quantitatively; Operating personnel are when manual start stop operation; Therefore the elevator positional information that depends on demonstration can accurately be located wire rope, has avoided operating personnel's subjective judgement start and stop position in the prior art and causes the inaccurate defective in location, has the advantage of precision height, good reliability; In addition, the present invention can also control wire rope automatically through control module and realize target moving distance, and operating personnel promptly can accomplish the quantitative work of winch action automatically through input block, and it is very convenient to operate, and has improved the operability of engineering machinery greatly.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of the elevator stroke measure and control device of one embodiment of the invention;
Fig. 2 a-2b is the scrambler scheme of installation of one embodiment of the invention;
Fig. 3 is the schematic diagram of the elevator stroke measure and control device of one embodiment of the invention;
Fig. 4 is the process flow diagram of the elevator stroke investigating method of one embodiment of the invention;
Fig. 5 is the process flow diagram that one embodiment of the invention is judged the elevator number of plies;
Fig. 6 is the process flow diagram that one embodiment of the invention is calculated wire rope displacement.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Shown in Figure 1 is the structured flowchart of one embodiment of the invention elevator stroke measure and control device.Device of the present invention is used for the stroke of elevator is measured and controlled.The elevator of indication of the present invention is meant the mechanism of elevator cylinder 10 that comprises rotatable setting and the wire rope that on cylinder, twines, and its structure is with reference to prior art, and this paper repeats no more.Mutual correspondence is moved in the rotation of elevator cylinder 10 and the winding of wire rope.The elevator stroke of indication of the present invention both can refer to the rotational travel of elevator cylinder 10, also can refer to the shift motion of wire rope, and the present invention is not limited to this.Correspondingly; The positional information of the elevator of indication of the present invention both can refer to that angle information such as the elevator of elevator cylinder 10 are fixed or information such as the number of turns when rotating, angle, and positional information such as the wire rope that also can refer to wire rope fixes or information such as the length when moving, displacement.
As shown in Figure 1, elevator stroke measure and control device of the present invention comprises scrambler 1 and display unit 2 at least.The input shaft of scrambler 1 is connected with the axle center of elevator cylinder 10, is used to detect the angle information of elevator cylinder 10.When elevator cylinder 10 forward or reverse; The rotational displacement of elevator cylinder 10 passes to scrambler 1; This scrambler 1 can be a rotary photoelectric encoder 1, to convert the geometry of machinery positional information amount on elevator cylinder 10 output shafts to pulse or digital quantity through opto-electronic conversion.
Be the scrambler scheme of installation of one embodiment of the invention shown in Fig. 2 a-2b, what wherein Fig. 2 a represented is side schematic view, and scrambler shown in the figure 1 is arranged at the home position of elevator cylinder 10; What Fig. 2 b represented is bottom schematic view, and scrambler shown in the figure 1 is arranged at a side of elevator cylinder 10, and elevator cylinder 10 all is arranged in the elevator case among each figure.Can find out from Fig. 2 a-2b, the side shaft that scrambler 1 is installed in elevator cylinder 10 in the heart, the axle center of the input shaft of scrambler 1 and elevator cylinder 10 can rotate synchronously.Those skilled in the art can confirm the size of scrambler 1 according to the concrete structure and the installation needs of elevator cylinder 10, and the present invention is not limited to this.Should be understood that scrambler 1 of the present invention both can be installed on the master winch cylinder, also can be installed on the secondary elevator cylinder, all can realize technique effect of the present invention.
On the basis of technique scheme; Operating personnel can depend on the elevator positional information of demonstration; Carry out manual start stop operation so that wire rope is accurately located; Avoid operating personnel's subjective judgement start and stop position in the prior art and caused the inaccurate defective in location, had the advantage of precision height, good reliability.
Because what scrambler 1 directly detected is the positional information of elevator cylinder 10, as an embodiment, in order to show the positional information of wire rope intuitively, elevator stroke measure and control device of the present invention also comprises computing unit 3.Computing unit 3 calculates the positional information of wire rope according to the angle information that scrambler 1 detects.Wire rope is wrapped in the elevator cylinder 10, and the anglec of rotation of its shift position and elevator cylinder 10 is directly related.This positional information can be the relative distance between certain point of fixity and certain reference point on the wire rope, such as the distance between wire rope end points and the jib.The displacement of the wire rope in moving is then confirmed through the difference of positional information between calculating at 2.
In addition, the wire rope number of plies on elevator cylinder 10 not simultaneously, its radius of gyration is different, if with the parameter of unified radius as calculating wire rope displacement, can cause bigger error.In order to reduce the error of calculation of computing unit 3, be necessary to judge the wire rope present located number of plies earlier, thereby draw correct calculating radius.Preferably, computing unit 3 comprises judge module 31 and computing module 32.Wherein, judge module 31 is judged the number of plies of wire rope in elevator according to the angle information that scrambler 1 detects; The angle information that computing module 32 detects according to scrambler 1, and combine the radius of the different numbers of plies, calculate the positional information of wire rope.When using device of the present invention first; Can be according to the concrete structure of elevator cylinder 10 and wire rope; The wire rope number of turns is demarcated; So just can judge the number of plies of wire rope, thereby draw the current radius of gyration, and then draw the positional information of wire rope according to the sampled value increase and decrease situation of rotary encoder 1.
As an alternative embodiment of the invention, elevator stroke measure and control device of the present invention can also be realized the automatic location of wire rope, thereby improves the operability of engineering machinery.Preferably, as shown in Figure 1, this device also comprises input block 4 and control module 5.Wherein input block 4 is used to import the target moving distance of wire rope, and control module 5 is controlled said wire rope and realized said target moving distance according to the angle information that scrambler 1 detects.The target moving distance of importing is confirmed in the concrete operation that operating personnel carry out as required.Control module 5 connects the executive component of engineering machinery, through the switch of control actuating component such as valve, pump etc., drives oil motor, thereby drives the rotation of elevator cylinder 10 and moving of wire rope.
Shown in Figure 3 is the schematic diagram of the elevator stroke measure and control device of one embodiment of the invention.In this embodiment, display unit 2 all is arranged on the touch-screen with input block 4, imports user instruction through the touch operation of operating personnel on touch-screen, and this instruction can be instructions such as target moving distance.Touch-screen is sent to controller with the related command signal, and controller is then realized the operation of dependent instruction through executive components such as valve, pumps.In addition, controller can also feed back to touch-screen with the correlation of sensor such as wire rope pressure information etc.
Except the measure and control device of above-mentioned elevator stroke, the present invention also provides a kind of investigating method of elevator stroke.Shown in Figure 4 is the process flow diagram of the elevator stroke investigating method of one embodiment of the invention, and this method comprises:
Step 1: the angle information that detects the elevator cylinder;
Step 2: the positional information that shows elevator.
After using this method, operating personnel can depend on the elevator positional information of demonstration, carry out manual start stop operation so that wire rope is accurately located.The positional information that shows in the step 2 both can be the positional information of elevator cylinder, also can be the positional information of wire rope, the preferred latter.In addition, elevator stroke investigating method of the present invention also comprises between step 1 and step 2:
Step 10: according to the angle information that detects, calculate the positional information of wire rope, wherein the positional information of step 2 demonstration is the positional information of wire rope.
Because during the different wire rope number of plies on elevator cylinder 10, its radius of gyration is different.In order to reduce the error of calculation, step 10 can comprise following process:
Step 101:, judge the number of plies of wire rope in elevator according to the angle information that detects;
Shown in Figure 5 is the process flow diagram that one embodiment of the invention is judged the elevator number of plies and radius, when using method provided by the invention first, can the wire rope number of turns be demarcated according to the concrete structure of elevator cylinder 10 and wire rope.Behind the initialization correlation parameter, according to the sampled value set correlation parameter of detected angle information, and according to the correlation parameter calculating elevator number of plies and elevator radius.
Step 102: according to the angle information that detects, and combine the radius of the different numbers of plies, calculate the positional information of wire rope.
Shown in Figure 6 is the process flow diagram that one embodiment of the invention is calculated wire rope displacement.According to record start point initialization correlation parameter, and in the wire rope moving process, judge and to move, simultaneously record sampling number in moving to increasing pattern or size reduction mode.According to the difference of the correlation parameter between sampled point and the starting point, promptly can confirm position information such as length of steel wire rope, displacement.
Preferably, elevator stroke investigating method of the present invention can also be realized the automatic location of wire rope, thereby improves the operability of engineering machinery.At this moment, this method also comprises:
Step 3: the target moving distance of input wire rope;
Step 4: according to the angle information that detects, the control wire rope is realized said target moving distance.
For knowing briefly on explaining, in the technique scheme each step is sorted.Should be understood that the order between above-mentioned each step can change, can before step 2, carry out that can realize technique effect of the present invention equally, the present invention is not limited to this such as step 3.
Except the measure and control device and method of aforementioned elevator stroke, the present invention also provides a kind of measure and control device that uses aforementioned elevator stroke or engineering machinery of method of comprising, other structure of this project machinery is with reference to prior art, and this paper repeats no more at this.This project machinery can be the various mechanisms that comprise winding plant, and preferred this project machinery is crane.This crane can be the multiple cranes that comprise winding plant such as crawler crane, wheel crane, tower crane, and the present invention is not limited to this.
In sum, elevator stroke measure and control device of the present invention, method and engineering machinery can be calculated the positional information of wire rope according to the elevator cylinder angle information that detects, and can accurately control wire rope in view of the above and realize target moving distance.Compared with prior art, the present invention has the following advantages:
1) precision is high
The present invention can intuitively show the positional information of elevator quantitatively; Operating personnel are when manual start stop operation; The elevator positional information that depends on demonstration can accurately be located wire rope; Avoid operating personnel's subjective judgement start and stop position in the prior art and caused the inaccurate defective in location, therefore had the advantage of precision height, good reliability.
2) good operability
The present invention can through control module 5 automatically the control wire rope realize target moving distances, operating personnel promptly can accomplish the quantitative work of winch action automatically through display unit 2, it is very convenient to operate, and has improved the operability of engineering machinery greatly.
In addition, the present invention also have to existing structure change little, simple in structure, practice thrift advantage such as cost.
Therefore, the invention has the beneficial effects as follows conspicuous.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an elevator stroke measure and control device is characterized in that, comprising:
Scrambler (1), the input shaft of said scrambler (1) is connected with the axle center of elevator cylinder (10), is used to detect the angle information of elevator cylinder (10);
Display unit (2), the angle information that said display unit (2) detects according to said scrambler (1), the positional information of demonstration elevator.
2. elevator stroke measure and control device according to claim 1 is characterized in that, also comprises:
Computing unit (3), the angle information that said computing unit (3) detects according to said scrambler (1), the positional information of calculating wire rope, said display unit (2) shows the positional information of the wire rope that said computing unit (3) calculates.
3. elevator stroke measure and control device according to claim 2 is characterized in that, said computing unit (3) comprising:
Judge module (31), the angle information that said judge module (31) detects according to said scrambler (1) is judged the number of plies of wire rope in elevator cylinder (10);
Computing module (32), the angle information that said computing module (32) detects according to scrambler (1), and combine the radius of the different numbers of plies, calculate the positional information of wire rope.
4. according to the described elevator stroke of claim 1-3 measure and control device, it is characterized in that, also comprise:
Input block (4), said input block (4) is used to import the target moving distance of wire rope;
Control module (5), said control module (5) is controlled said wire rope and is realized said target moving distance according to the angle information that said scrambler (1) detects.
5. the investigating method of an elevator stroke is characterized in that, may further comprise the steps:
Detect the angle information of elevator cylinder;
The positional information that shows elevator.
6. elevator stroke investigating method according to claim 5 is characterized in that, between said two steps, also comprises:
According to the angle information that detects, calculate the positional information of wire rope, the positional information that is wherein shown is the positional information of wire rope.
7. elevator stroke investigating method according to claim 6 is characterized in that the positional information of said calculating wire rope is specially:
According to the angle information that detects, judge the number of plies of wire rope in the elevator cylinder;
According to the angle information that detects, and combine the radius of the different numbers of plies, calculate the positional information of wire rope.
8. according to each described elevator stroke investigating method of claim 5-7, it is characterized in that, also comprise:
The target moving distance of input wire rope;
According to the angle information that detects, control said wire rope and realize said target moving distance.
9. an engineering machinery is characterized in that, said engineering machinery is used claim each described elevator stroke measure and control device of 1-4 or each described elevator stroke investigating method of claim 5-8.
10. engineering machinery according to claim 9 is characterized in that said engineering machinery is specially crane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101809842A CN102346023A (en) | 2011-06-30 | 2011-06-30 | Measurement and control device and method for winding stroke, as well as engineering machinery |
| PCT/CN2012/074215 WO2013000323A1 (en) | 2011-06-30 | 2012-04-17 | Hoisting measurement and control apparatus, method and construction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101809842A CN102346023A (en) | 2011-06-30 | 2011-06-30 | Measurement and control device and method for winding stroke, as well as engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102346023A true CN102346023A (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101809842A Pending CN102346023A (en) | 2011-06-30 | 2011-06-30 | Measurement and control device and method for winding stroke, as well as engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102346023A (en) |
| WO (1) | WO2013000323A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000323A1 (en) * | 2011-06-30 | 2013-01-03 | 湖南三一智能控制设备有限公司 | Hoisting measurement and control apparatus, method and construction machine |
| CN102867126A (en) * | 2012-09-19 | 2013-01-09 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN103673959A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine |
| CN103673956A (en) * | 2013-12-13 | 2014-03-26 | 中联重科股份有限公司 | System, method and device for detecting length of released ropes of winch and crane |
| CN112147361A (en) * | 2020-10-16 | 2020-12-29 | 北京三一智造科技有限公司 | Steel wire rope winding parameter calculation method and winding machine equipment |
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| CN2057660U (en) * | 1989-08-24 | 1990-05-30 | 建设部长沙建筑机械研究所 | Automatic leveling layer device by microcomputer control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000323A1 (en) * | 2011-06-30 | 2013-01-03 | 湖南三一智能控制设备有限公司 | Hoisting measurement and control apparatus, method and construction machine |
| CN102867126A (en) * | 2012-09-19 | 2013-01-09 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN102867126B (en) * | 2012-09-19 | 2015-06-10 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN103673959A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine |
| CN103673956A (en) * | 2013-12-13 | 2014-03-26 | 中联重科股份有限公司 | System, method and device for detecting length of released ropes of winch and crane |
| CN103673956B (en) * | 2013-12-13 | 2016-03-30 | 中联重科股份有限公司 | Elevator put rope length detecting systems, method, device and crane |
| CN112147361A (en) * | 2020-10-16 | 2020-12-29 | 北京三一智造科技有限公司 | Steel wire rope winding parameter calculation method and winding machine equipment |
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| Publication number | Publication date |
|---|---|
| WO2013000323A1 (en) | 2013-01-03 |
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Application publication date: 20120208 |