CN112033594A - Parameter calibration method and system for marine winch - Google Patents
Parameter calibration method and system for marine winch Download PDFInfo
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- CN112033594A CN112033594A CN202011014281.8A CN202011014281A CN112033594A CN 112033594 A CN112033594 A CN 112033594A CN 202011014281 A CN202011014281 A CN 202011014281A CN 112033594 A CN112033594 A CN 112033594A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
- G01L5/0066—Calibration arrangements
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- 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
- G01B21/02—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 length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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Abstract
The invention provides a parameter calibration method and system for a marine winch, and relates to the field of winch calibration. The parameter calibration system of the marine winch comprises a ship body, two winches to be calibrated, a cable guide and a tension meter, wherein the two winches to be calibrated are arranged on the ship body; the winch to be calibrated is two ship moving winches positioned in the width direction of the ship body, and the opposite pulling path is a U-shaped opposite pulling path. The parameter calibration system is adopted to carry out the paired opposite-pulling test on the winches on the ship, whether calibration errors exist in the two winches can be determined after each opposite-pulling test, and the calibration test of parameters of tension, constant tension and rope length can be carried out after the cable, the cable guide and the tension meter are installed in place, so that the accurate condition of the calibration of various parameters of the winches can be conveniently obtained, the construction period is shortened, and the working efficiency of the calibration test is improved.
Description
Technical Field
The invention relates to the technical field of winch calibration, in particular to a parameter calibration method and system for a marine winch.
Background
On an engineering vessel, a plurality of winches are usually provided to perform corresponding towing or positioning operations. Particularly, for ships which undertake the tasks of immersed tube transportation and installation, a ship moving winch, a positioning winch, a traction winch and the like are installed on a ship body, and the main work of the ship is finished by various winches.
In order to ensure the safety and controllability of construction, a plurality of components for detecting the working state of the winch are generally arranged on the winch at present, for example: a tension sensor is arranged on a bottom foot of the winch to obtain tension parameters of the winch; and a constant tension mechanism and a rope length measuring structure are integrated on the winch and used for ensuring that the cable works with constant tension and preventing the cable from being damaged due to excessive tension. After the ship is built, various parameters of the winches on the ship need to be calibrated and tested, and a common calibration and test method is to weld the winches on the ship body by using a tool or adopt a tool load test so as to calibrate the parameters of each winch independently.
Due to the fact that the number of winches on the ship is large, a welding tool or a tool load calibration test method is adopted, a large amount of field operation is needed by workers, and the problems of long construction period and low working efficiency exist.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a parameter calibration method of a marine winch, so as to solve the problems that a welding tool or a tool load calibration test method needs a large amount of field operation of workers, and has long construction period and low working efficiency. Meanwhile, the invention also aims to provide a parameter calibration system of the marine winch.
The technical scheme of the parameter calibration method of the marine winch comprises the following steps:
the parameter calibration method of the marine winch comprises the following steps:
firstly, preparing a cable, a cable guider and a tension meter, and selecting two winches to be calibrated;
secondly, the cable penetrates through the cable guider and is respectively connected with the two winches to be calibrated, and the tension meter is arranged on a counter-pulling path of the cable;
thirdly, one winch to be calibrated is braked, the other winch to be calibrated is started to test and pull, and whether the connection of nodes and the operation of the winch to be calibrated are reliable or not is concerned; if the winch is unreliable, adjusting the node connection and the winch to be calibrated to be in a reliable state;
step four, calibrating tension parameters: comparing whether the tension parameters of the tension meter and the two winches to be calibrated are consistent or not;
and (3) calibrating constant tension and rope length parameters: the cable is reeled and paid off under constant load, and whether the constant tension and the rope length display data of the two winches to be calibrated are consistent or not is determined;
fifthly, if the winch; if they are consistent, no correction is necessary.
Further, in the first step, two ship moving winches positioned in the width direction of the ship body are selected as the two winches to be calibrated; or selecting two positioning winches positioned in the width direction of the ship body as the two winches to be calibrated.
Further, in the third step, the trial pulling is a load trial pulling on the winch to be calibrated, the pulling force of the load trial pulling is 1.1 times of the rated pulling force of the winch to be calibrated, and whether the node connection and the winch to be calibrated are reliable or not is determined according to the load trial pulling result.
Further, in the fourth step, when the tension parameters are calibrated, a plurality of groups of counter-pulling are performed in a mode of decreasing the magnitude of the tension, and whether the tension parameters of the tension meter and the two winches to be calibrated are consistent or not is compared.
Furthermore, in the fourth step, when the tension parameters are calibrated, the tension values of the multiple groups are distributed in an arithmetic progression.
Further, a positioning winch and a traction winch which are positioned on the same side in the width direction of the ship body are selected as the two winches to be calibrated.
Has the advantages that: the parameter calibration method is adopted to carry out the paired counter-pull test on the winches on the ship, whether calibration errors exist in the two corresponding winches can be determined after each counter-pull test, and after the cable, the cable guider and the tension meter are installed in place, the calibration test of parameters of tension, constant tension and rope length can be carried out on the two winches, so that the accurate condition of the calibration of various parameters of the winches can be conveniently obtained; compared with the existing calibration test method adopting a welding tool or tool load, the method saves a large amount of field operation of workers, effectively shortens the construction period and improves the working efficiency of the calibration test.
The technical scheme of the parameter calibration system of the marine winch comprises the following steps:
the parameter calibration system of the marine winch comprises a ship body, two winches to be calibrated, a cable guide and a tension meter, wherein the two winches to be calibrated are arranged on the ship body;
the winch to be calibrated is two ship moving winches positioned in the width direction of the ship body; or the winches to be calibrated are two positioning winches located in the width direction of the ship body, and the opposite pulling path is a U-shaped opposite pulling path.
Further, the tensiometer is a remote control type tensiometer.
Further, the cable is a steel wire rope, and a shackle is further arranged on the steel wire rope.
Furthermore, lubricating oil is coated between the cable and the cable guide.
Has the advantages that: the parameter calibration system is adopted to carry out the paired counter-pull test on the winches on the ship, whether calibration errors exist in the two corresponding winches can be determined after each counter-pull test, and after the cable, the cable guider and the tension meter are installed in place, the calibration test of parameters of tension, constant tension and rope length can be carried out on the two winches, so that the accurate calibration condition of various parameters of the winches can be conveniently obtained; compared with the existing calibration test method adopting a welding tool or tool load, the method saves a large amount of field operation of workers, effectively shortens the construction period and improves the working efficiency of the calibration test.
Drawings
FIG. 1 is a schematic diagram of a parameter calibration method of a marine winch according to an embodiment 1 of the present invention;
fig. 2 is a schematic flow chart of a parameter calibration method for a marine winch according to an embodiment 1 of the present invention.
In the figure: 1-hull, 21-ship moving winch, 22-positioning winch, 23-traction winch, 3-cable, 30-cable guider and 31-tension meter.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In embodiment 1 of the method for calibrating parameters of a marine winch of the present invention, as shown in fig. 1 and 2, the method for calibrating parameters of a marine winch is used for calibrating parameters of various winches on a ship, and includes the following steps: firstly, preparing a cable 3, a cable guider 30 and a tension meter 31, and selecting two winches to be calibrated; it should be noted that the wire 3 is a wire rope satisfying a load of 150 tons, the tension gauge 31 is a remote control type tension gauge satisfying a load of 150 tons, and a shackle satisfying a load of 150 tons needs to be prepared in order to connect the wire 3 and the tension gauge 31.
The winch of the same kind on the ship is correspondingly arranged in the width direction of the ship body 1, the winch comprises a ship moving winch 21, a positioning winch 22 and a traction winch 23, the two positioning winches 22 are correspondingly arranged in the width direction of the ship body 1 respectively, the two ship moving winches 21 are correspondingly arranged in the width direction of the ship body 1 respectively, and the two traction winches 23 are correspondingly arranged in the width direction of the ship body 1 respectively. The specific implementation process is that two ship moving winches 21 positioned in the width direction of the ship body 1 are selected as two winches to be calibrated, and two positioning winches 22 positioned in the width direction of the ship body 1 are selected as two winches to be calibrated.
Secondly, the cable 3 penetrates through the cable guide 30 and is respectively connected with two winches to be calibrated, and the tension meter 31 is arranged on a counter-pulling path of the cable 3; specifically, the cable guide 30 is fixedly installed on the hull 1, and the opposite pulling path of the cable 3 between two winches to be calibrated is changed through the cable guide 30. Wherein, the cable 3 is provided with a counter-pulling path for the counter-pulling of the two calibration winches, and the tension meter 31 is arranged on the counter-pulling path; the opposite pulling paths formed by connecting the cables 3 to the two ship moving winches 21 are U-shaped opposite pulling paths, and the opposite pulling paths formed by connecting the cables 3 to the two positioning winches 22 are also U-shaped opposite pulling paths.
In order to reduce the friction between the cable 3 and the cable guide 30, a lubricating oil is applied between the cable 3 and the cable guide 30, and specifically, the lubricating oil is lubricating grease. The ship body 1, the two winches to be calibrated, the cable 3, the cable guide 30 and the tension meter 31 in the structure form a parameter calibration system of the marine winch.
Thirdly, one winch to be calibrated is braked, the other winch to be calibrated is started to test and pull, and whether the connection of the nodes and the operation of the winch to be calibrated are reliable or not is concerned; and if the winch is unreliable, adjusting the node connection and the winch to be calibrated to a reliable state. In the third step, trial pulling is load trial pulling of the winch to be calibrated, the pulling force of the load trial pulling is 1.1 times of the rated pulling force of the winch to be calibrated, and whether the joint connection and the winch to be calibrated are reliable or not is determined according to the load trial pulling result.
Specifically, the rated tension of the ship moving winch 21 is 120 tons, the rated tension of the positioning winch 22 is 80 tons, and the rated tension of the traction winch 23 is 40 tons, when determining whether the operation of the node connection and the winch to be calibrated is reliable, the tensile force of the load trial pulling is 1.1 times of the rated tension of the respective winch, that is, the two ship moving winches 21 are subjected to trial pulling with the load of 132 tons, the two positioning winches 22 are subjected to trial pulling with the load of 88 tons, the two traction winches 23 are subjected to trial pulling with the load of 44 tons, and after the test, whether the structure of the node connection and the winch to be calibrated is kept unchanged is checked.
And step four, the step is divided into two substeps, wherein the first substep is the calibration of the tension parameter, and the second substep is the calibration of the constant tension and rope length parameters. Wherein, the calibration of the tension parameters: comparing whether the tension parameters of the tension meter 31 and the two winches to be calibrated are consistent or not; and (3) calibrating constant tension and rope length parameters: the cable 3 is reeled and paid off under constant load, and whether the constant tension and rope length display data of the two winches to be calibrated are consistent or not is determined;
in the fourth step, when the tension parameters are calibrated, a plurality of groups of counter-pulling are performed according to the decreasing mode of the tension, whether the tension parameters on the tension meter 31 and the two winches to be calibrated are consistent or not is compared, and when the tension parameters are calibrated, the plurality of groups of tension parameters are distributed in an arithmetic progression. In the present embodiment, the counter-pull tests are performed for two ship-moving winches 21 in the arithmetic progression of 120 ton, 100 ton, 80 ton, 60 ton, 40 ton and 20 ton, for two positioning winches 22 in the arithmetic progression of 80 ton, 60 ton, 40 ton, 20 ton, 10 ton and 0 ton, and for two traction winches 23 in the arithmetic progression of 40 ton, 30 ton, 20 ton, 10 ton and 0 ton. As in the following table:
correspondingly, the calibration of the constant tension parameter is as follows: controlling one winch to be calibrated to be in a constant tension mode, and controlling the other winch to be calibrated to be in a brake locking state, starting the winch to be calibrated in the constant tension mode to take up and pay off the cable 3, and observing whether the pulling force displayed by the winch is consistent with the pulling force displayed on the tension meter 31; then, the working states of the two winches to be calibrated are exchanged, and whether the tension displayed by the other winch is consistent with the tension displayed on the tension meter 31 or not is observed. Correspondingly, the calibration of the rope length parameter is as follows: and controlling one winch to be calibrated to be in a constant tension mode, starting the other winch to be calibrated to tighten the cable, and determining whether the rope length display data of the two winches to be calibrated are consistent.
Step five, if the winch; if they are consistent, no correction is necessary.
The parameter calibration method is adopted to carry out the paired counter-pull test on the winches on the ship, whether calibration errors exist in the two corresponding winches can be determined after each counter-pull test, and after the cable, the cable guider and the tension meter are installed in place, the calibration test of parameters of tension, constant tension and rope length can be carried out on the two winches, so that the accurate condition of the calibration of various parameters of the winches can be conveniently obtained; compared with the existing calibration test method adopting a welding tool or tool load, the method saves a large amount of field operation of workers, effectively shortens the construction period and improves the working efficiency of the calibration test.
In other embodiments of the parameter calibration method for the marine winch, in order to meet different calibration test requirements, the selection of the winch to be calibrated is not limited to the selection mode in embodiment 1, and a positioning winch and a traction winch which are positioned on the same side in the width direction of the ship body can be selected as two winches to be calibrated, a cable guide is arranged at a position between the positioning winch and the traction winch, and a cable is threaded on the cable guide and is respectively connected to the positioning winch and the traction winch, so that a zigzag counter-pulling path is formed.
The specific embodiment of the parameter calibration system of the marine winch of the present invention is the same as each specific embodiment of the parameter calibration system of the marine winch in the specific embodiment of the parameter calibration method of the marine winch of the present invention, and details thereof are not repeated herein.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A parameter calibration method of a marine winch is characterized by comprising the following steps:
firstly, preparing a cable, a cable guider and a tension meter, and selecting two winches to be calibrated;
secondly, the cable penetrates through the cable guider and is respectively connected with the two winches to be calibrated, and the tension meter is arranged on a counter-pulling path of the cable;
thirdly, one winch to be calibrated is braked, the other winch to be calibrated is started to test and pull, and whether the connection of nodes and the operation of the winch to be calibrated are reliable or not is concerned; if the winch is unreliable, adjusting the node connection and the winch to be calibrated to be in a reliable state;
step four, calibrating tension parameters: comparing whether the tension parameters of the tension meter and the two winches to be calibrated are consistent or not;
and (3) calibrating constant tension and rope length parameters: the cable is reeled and paid off under constant load, and whether the constant tension and the rope length display data of the two winches to be calibrated are consistent or not is determined;
fifthly, if the winch; if they are consistent, no correction is necessary.
2. The parameter calibration method of the marine winch according to claim 1, wherein in the first step, two ship-moving winches located in the width direction of the ship body are selected as the two winches to be calibrated; or selecting two positioning winches positioned in the width direction of the ship body as the two winches to be calibrated.
3. The parameter calibration method for the marine winch according to claim 1, wherein in step three, the trial pulling is a load trial pulling on the winch to be calibrated, the pulling force of the negative trial pulling is 1.1 times of the rated pulling force of the winch to be calibrated, and whether the node connection and the winch to be calibrated are reliable in operation is determined according to the result of the load trial pulling.
4. The parameter calibration method of the marine winch according to claim 1, wherein in the fourth step, when calibrating the tension parameter, a plurality of sets of counter-pulls are performed in a manner of decreasing the magnitude of the tension, and the tension meter is compared with the tension parameters of the two winches to be calibrated to determine whether the tension parameters are consistent.
5. The method for calibrating parameters of a winch for ships according to claim 1, wherein in the fourth step, when the tension parameters are calibrated, the tension values of the plurality of groups are distributed in an arithmetic progression.
6. The method for calibrating parameters of a winch for a ship according to claim 1, wherein a positioning winch and a traction winch located on the same side in the width direction of the ship are selected as the two winches to be calibrated.
7. A parameter calibration system of a marine winch is characterized by comprising a ship body, two winches to be calibrated, a cable guide and a tension meter, wherein the two winches to be calibrated are arranged on the ship body;
the winch to be calibrated is two ship moving winches positioned in the width direction of the ship body; or the winches to be calibrated are two positioning winches located in the width direction of the ship body, and the opposite pulling path is a U-shaped opposite pulling path.
8. The marine winch parameter calibration system of claim 7, wherein the tensiometer is a remote-controlled tensiometer.
9. The system for calibrating parameters of a winch for ships of claim 7, wherein the cable is a steel wire rope, and the steel wire rope is further provided with a shackle.
10. The marine winch parameter calibration system of claim 7, wherein a lubricant is applied between the cable and the fairlead.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011014281.8A CN112033594A (en) | 2020-09-23 | 2020-09-23 | Parameter calibration method and system for marine winch |
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| CN202011014281.8A CN112033594A (en) | 2020-09-23 | 2020-09-23 | Parameter calibration method and system for marine winch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034501A (en) * | 2021-12-22 | 2022-02-11 | 中交第一航务工程局有限公司 | Tension calibration method of integrated marine hoisting winch |
| CN114604790A (en) * | 2020-12-08 | 2022-06-10 | 南京中船绿洲机器有限公司 | Load setting method for counter-pulling tension winch |
-
2020
- 2020-09-23 CN CN202011014281.8A patent/CN112033594A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604790A (en) * | 2020-12-08 | 2022-06-10 | 南京中船绿洲机器有限公司 | Load setting method for counter-pulling tension winch |
| CN114034501A (en) * | 2021-12-22 | 2022-02-11 | 中交第一航务工程局有限公司 | Tension calibration method of integrated marine hoisting winch |
| CN114034501B (en) * | 2021-12-22 | 2024-01-26 | 中交第一航务工程局有限公司 | Pulling force calibration method of integrated marine hoisting winch |
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