CN110065853B - Control device of cable towing winch system - Google Patents
Control device of cable towing winch system Download PDFInfo
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- CN110065853B CN110065853B CN201910148225.4A CN201910148225A CN110065853B CN 110065853 B CN110065853 B CN 110065853B CN 201910148225 A CN201910148225 A CN 201910148225A CN 110065853 B CN110065853 B CN 110065853B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Electric Cable Installation (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a control device of a cable towing winch system. The cable drag winch system control device includes: the cable storage winch control module is used for controlling the cable storage winch to passively release the cable at a preset tension in the cable releasing operation process of the cable dragging winch system, and controlling the cable storage winch to actively retract the cable at the preset tension in the cable retracting operation process of the cable dragging winch system; and the traction winch control module is used for controlling the traction winch to actively release the cable at a speed not exceeding a preset speed in the cable releasing operation process of the cable traction winch system, and controlling the traction winch to actively retract the cable at a speed not exceeding the preset speed in the cable retracting operation process of the cable traction winch system. Since the predetermined tension and the predetermined speed are both determined from the tension of the rope outlet end of the cable drag winch system. The cable storage winch and the traction winch can work cooperatively, and normal paying-out and withdrawing of the cable are ensured.
Description
Technical Field
The invention relates to the technical field of marine machinery, in particular to a control device of a cable towing winch system.
Background
The cable drag winch system is a device used for collecting and releasing underwater equipment on a ship. The cable towing winch system comprises a cable storage winch, a cable arranger, a traction winch and a locking device. The cable is wound on the cable storage winch, the cable passes through the cable arranging device and then bypasses the traction winch, the anti-loosening device comprises three guide pulleys, and the cable sequentially bypasses the three guide pulleys. One of the pulleys is connected with a hydraulic motor, and a cable clamp is arranged at the wheel edge of the pulley and used for clamping the cable, so that the cable can keep a straightened state. The cable towing winch system can be connected with the underwater equipment through a cable, and the cable is released along with the sinking of the underwater equipment so as to ensure the power supply of the underwater equipment.
When the cable towing winch system works, the cable storage winch and the towing winch need to work in a coordinated mode to ensure normal cable collection and cable release.
Disclosure of Invention
The embodiment of the invention provides a control device of a cable towing winch system, which can enable a cable storage winch and a towing winch to work cooperatively. The technical scheme is as follows:
the embodiment of the invention provides a control device of a cable towing winch system, which comprises:
the cable storage winch control module is used for controlling the cable storage winch to passively release the cable with preset tension in the cable releasing operation process of the cable dragging winch system, controlling the cable storage winch to actively release the cable with the preset tension in the cable releasing operation process of the cable dragging winch system, and determining the preset tension according to the tension of the cable outlet end of the cable dragging winch system;
the traction winch control module is used for controlling the traction winch to actively release the cable at a speed not exceeding a preset speed in the cable releasing process of the cable dragging winch system, controlling the traction winch to actively retract the cable at a speed not exceeding the preset speed in the cable retracting process of the cable dragging winch system, and determining the preset speed according to the tension of the cable outlet end of the cable dragging winch system.
Optionally, when the tension of the rope outlet end of the cable drag winch system does not exceed a tension threshold, the predetermined tension is a first preset value; when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold, the predetermined tension is positively correlated with the tension of the rope outlet end of the cable drag winch system.
Optionally, the predetermined tension satisfies the following relationship:
and F is the preset tension, T is the tension of the rope outlet end of the cable dragging winch system, and the units of F and T are tons.
Optionally, when the tension of the rope outlet end of the cable drag winch system does not exceed a tension threshold, the predetermined speed is a second preset value; the predetermined speed is inversely related to the tension of the rope outlet end of the cable drag winch system when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold.
Optionally, the predetermined speed satisfies the following relationship:
and V is the preset speed, T is the tension of the rope outlet end of the cable dragging winch system, the unit of V is m/min, and the unit of T is ton.
Optionally, the cable storage winch control module is further configured to control the cable storage winch to passively release the cable at a constant tension when the tension of the rope outlet end of the cable towing winch system exceeds a preset load tension in the towing operation process of the cable towing winch system, where the preset load tension is a difference between the weight of the underwater equipment and the buoyancy borne by the underwater equipment;
the traction winch control module is further used for controlling the traction winch to passively release the cable at a constant tension when the tension of the rope outlet end of the cable traction winch system exceeds the preset load tension in the process of the traction operation of the cable traction winch system.
Optionally, the cable storage winch control module is further configured to control the cable storage winch to actively take up the cable when the total length of the cable paid out by the cable towing winch system exceeds a cable length threshold value, until the total length of the cable paid out by the cable towing winch system is a theoretical cable length, where the theoretical cable length is a minimum length of the cable that needs to be paid out by the cable towing winch system when the underwater equipment is submerged to a target depth;
the traction winch control module is further used for controlling the traction winch to actively take up the cable when the total length of the cable released by the cable traction winch system exceeds the cable length threshold value until the total length of the cable released by the cable traction winch system is the theoretical cable length.
Optionally, the cable length threshold is 101-103% of the theoretical cable length.
Optionally, an alarm module is further included for issuing an alarm when the total length of cable paid out by the cable drag winch system exceeds the cable length threshold.
Optionally, the alert comprises at least one of a sound, a flashing light.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least: through setting up cable storage winch control module and traction winch control module, cable storage winch control module carries out the cable laying operation in-process at cable towing winch system, control cable storage winch is with the passive cable laying of predetermined tension, traction winch control module carries out the cable laying operation in-process at cable towing winch system, control traction winch is with the speed initiative cable laying that does not exceed the predetermined speed, cable storage winch control module carries out the cable receiving operation in-process at cable towing winch system, control cable storage winch is with the initiative cable receiving of predetermined tension, traction winch control module carries out the cable receiving operation in-process at cable towing winch system, control traction winch is with the speed initiative cable receiving that does not exceed the predetermined speed. Because the preset tension and the preset speed are determined according to the tension of the rope outlet end of the cable dragging winch system, the cable storage winch and the dragging winch can work cooperatively, and the normal paying-out and withdrawing of the cable are ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a cable drag winch system according to an embodiment of the present invention;
FIG. 2 is a partial hydraulic system diagram of a cable drag winch system according to an embodiment of the present invention;
fig. 3 is a block diagram of a control device of a cable winch system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a cable drag winch system according to an embodiment of the present invention. As shown in fig. 1, the cable winch system includes a cable storage winch 20, a cable arranger 30, a guide pulley 40, a friction winch 50 and a locking device 60, and a cable wound on the cable storage winch 20 is connected to the underwater equipment after passing through the cable arranger 30, the guide pulley 40, the friction winch 50 and the locking device 60 in sequence. The locking device 60 includes three pulleys, and a pin sensor may be provided on a rotation shaft of the pulleys to detect tension on the cable extending from the locking device 60.
Fig. 2 is a partial hydraulic system diagram of a cable-towing winch system according to an embodiment of the present invention. As shown in fig. 2, the hydraulic system includes a flow control proportional valve 21, a tension solenoid valve 22, a tension pilot proportional valve 23, and a hydraulic motor 24. The oil port A of the control proportional valve 21 is communicated with the first oil port of the hydraulic motor 24, the second oil port of the hydraulic motor 24 is communicated with the oil port B of the control proportional valve 21, the first oil port of the tension solenoid valve 22 is communicated with the oil port A of the control proportional valve 21, the second oil port of the tension solenoid valve 22 is communicated with the oil inlet and the pilot oil port of the tension pilot proportional valve 23, and the oil outlet of the tension pilot proportional valve 23 is communicated with the oil port B of the control proportional valve 21. The P oil port of the flow control proportional valve 21 can be communicated with a pump station, and the T oil port of the flow control proportional valve 21 can be communicated with an oil tank. The flow rate control proportional valve 21, the tension solenoid valve 22, and the tension pilot proportional valve 23 are all solenoid valves. The storage winch 20 and the towing winch 50 are each driven by a hydraulic system as shown in fig. 2.
Fig. 3 is a block diagram of a control device of a cable winch system according to an embodiment of the present invention. As shown in fig. 3, the cable drag winch system control apparatus 10 includes a storage winch control module 11 and a traction winch control module 12.
The cable storage winch control module 11 is used for controlling the cable storage winch to passively release the cable at a preset tension in the cable releasing operation process of the cable dragging winch system; and controlling the cable storage winch to actively take up the cable with preset tension in the cable taking-up process of the cable dragging winch system. The predetermined tension is determined from the tension at the rope outlet end of the cable drag winch system.
The traction winch control module 12 is used for controlling the traction winch to actively release the cable at a speed not exceeding a preset speed in the cable releasing process of the cable traction winch system; and controlling the traction winch to actively retract the cable at a speed not exceeding a preset speed in the cable retracting process of the cable dragging winch system. The predetermined speed is determined from the tension at the rope outlet end of the cable drag winch system.
The passive cable laying with the predetermined tension means that the cable is laid under the traction of the cable, and the tension on the cable subjected to the traction is the predetermined tension. For example, the passive payout of the cable storage winch 20 at the predetermined tension means that the cable storage winch 20 is paid out under the traction of the cable, and the tension on the cable between the cable storage winch 20 and the cable arranger 30 is the predetermined tension.
Active cable retraction at a predetermined tension means that the cable is retracted under the drive of a power system (e.g., a hydraulic system) and the tension of the cable connected to the winch is at the predetermined tension. For example, the active reeling-in of the storage winch 20 at the predetermined tension means that the storage winch 20 is driven by the power system to rotate to reel in the cable, and the tension on the cable between the storage winch 20 and the cable arranger 30 is the predetermined tension.
The cable winding speed of the winch refers to the linear speed of the cable during cable winding of the winch, and the cable unwinding speed of the winch refers to the linear speed of the cable during cable unwinding of the winch.
The tension at the payout end is the tension on the cable extending from the slack adjuster 60.
The cable storage winch control module controls the cable storage winch to passively release cable at preset tension in the cable releasing operation process of the cable dragging winch system, the traction winch control module controls the traction winch to actively release cable at a speed not exceeding the preset speed in the cable releasing operation process of the cable dragging winch system, the cable storage winch control module controls the cable storage winch to actively release cable at the preset tension in the cable retracting operation process of the cable dragging winch system, the traction winch control module controls the traction winch to actively retract cable at the speed not exceeding the preset speed in the cable retracting operation process of the cable dragging winch system, and the preset tension and the preset speed are determined according to the tension of the cable outlet end of the cable dragging winch system. The cable storage winch and the traction winch can work cooperatively, and normal paying-out and withdrawing of the cable are ensured.
Both the storage winch 20 and the towing winch 50 may be driven by a hydraulic system of the construction shown in fig. 2. The cable winch system control device 10 can control the cable storage winch 20 or the traction winch 50 by controlling the flow control proportional valve 21, the tension solenoid valve 22 and the tension pilot proportional valve 23.
For example, for the cable storage winch 20, the cable drag winch system control device 10 may control the tension solenoid valve 22 to be turned on, adjust the turn-on pressure of the tension pilot proportional valve 23 to a predetermined tension, and close the port P of the flow control proportional valve 21, so that the cable storage winch 20 may be passively reeled under the traction of the cable, and the tension on the cable between the cable storage winch 20 and the cable arranger 30 is a predetermined tension. The tension electromagnetic valve 22 is controlled to be conducted, the conducting pressure of the tension pilot proportional valve 23 is adjusted to be preset tension, the flow control proportional valve 21 is conducted, hydraulic oil is adopted to drive the hydraulic motor 24 to rotate, the cable storage winch 20 is made to collect cables, therefore, the cable storage winch 20 can actively collect cables at the preset tension, the flow is adjusted through the flow control proportional valve 21, and the speed of the cable storage winch 20 in the active cable collection can be changed.
For the traction winch 50, the cable traction winch system control device 10 can control the tension solenoid valve 22 to be closed, the flow control proportional valve 21 to be opened, and hydraulic oil is adopted to drive the hydraulic motor 24 to rotate, so that the traction winch 50 is subjected to cable laying, and the traction winch 50 can be subjected to active cable laying. The steering of the hydraulic motor 24 is changed through the flow control proportional valve 21, so that the traction winch 50 is reeled, and the traction winch 50 can be reeled actively. The cable take-up and cable pay-off speed of the traction winch 50 can not exceed a preset speed by adjusting the flow through the flow control proportional valve 21.
Alternatively, the tension solenoid valve 22 may be controlled by a voltage signal, such as a 24V voltage signal, to turn on and off the tension solenoid valve 22. The conducting pressure of the tension pilot proportional valve 23 can be adjusted by a current signal, for example, the conducting pressure can be a current signal of 4-20 mA, and the conducting pressure is in direct proportion to the intensity of the current signal. The opening degree of the flow control proportional valve 21 can be controlled by the voltage signal to adjust the flow rate, for example, the voltage signal can be 0-18V, and the strength of the voltage signal is in direct proportion to the flow rate (the flow direction of the hydraulic oil during cable retraction is a negative direction, and the flow direction of the hydraulic oil during cable retraction is a positive direction).
Alternatively, the predetermined tension may be a first preset value when the tension at the rope outlet end of the cable drag winch system does not exceed the tension threshold; the predetermined tension may be positively correlated with the tension of the rope exit end of the cable drag winch system when the tension of the rope exit end of the cable drag winch system exceeds a tension threshold. When the cable drag winch system works, the tension of the rope outlet end has a proper range, such as 2 t-15 t. When the tension of the rope outlet end is within the range, the cable drag winch system can work stably. When the tension of the rope outlet end does not exceed the tension threshold value, the first preset value is used as the preset tension, the preset tension is a fixed value, the control is simple, when the tension of the rope outlet end exceeds the tension threshold value, the preset tension is increased along with the increase of the tension of the rope outlet end, and the cable dragging winch system can also stably work when the tension of the rope outlet end is large.
Illustratively, the predetermined tension may satisfy the following relationship:
and F is preset tension, T is the tension of the rope outlet end of the cable dragging winch system, and the units of F and T are tons. I.e. a tension threshold of 8 tons and a first preset value of 0.8 tons. When the tension of the rope outlet end is 2-8 tons, the preset tension is set to be 0.8 ton due to the fact that the tension is small, and the work can be well met. When the tension of the rope outlet end is 8-15 tons, the preset tension is gradually increased along with the increase of the tension of the rope outlet end, and the stable work of the cable dragging winch system can be ensured.
Alternatively, the predetermined speed may be a second preset value when the tension at the rope outlet end of the cable drag winch system does not exceed the tension threshold. The predetermined speed may be inversely related to the tension of the rope outlet end of the cable drag winch system when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold. The larger the tension of the rope outlet end is, the larger the load of the cable towing winch system is, and when the load is lower and does not exceed the tension threshold value, the inertia of the load is small, the towing winch 50 can tow the load to run at the maximum rotating speed, and better safety can be ensured, so that the working efficiency can be improved. When the load is high and exceeds the tension threshold, the inertia of the load is large, and if the towing winch 50 performs cable reeling or unreeling at the maximum rotation speed, the cable towing winch system may be damaged and it is difficult to ensure the safety. Therefore, when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold value, the preset speed is reduced along with the increase of the tension of the rope outlet end of the cable drag winch system, and the normal work of the cable drag winch system is ensured, and meanwhile, the safety is ensured.
Illustratively, the predetermined speed may satisfy the following relationship:
wherein V is a preset speed, T is the tension of the rope outlet end of the cable dragging winch system, the unit of V is m/min, and the unit of T is ton. The second preset value here is 60 m/min. When the tension of the rope outlet end is 2-8 tons, the tension is low, the inertia of the load is small, the traction winch 50 is used for taking in or paying off the cable at the speed of not more than 60m/min, for example, the cable is taken in or paid off at the speed of 50m/min, 55m/min or 60m/min, and the cable dragging winch system can bear the impact of the load caused by the inertia. When the tension of the rope outlet end is 8-15 tons, the tension is large, the load inertia is large, the preset speed is reduced along with the increase of the tension of the rope outlet end, and the stable work of the cable towing winch system can be ensured. For example, when the tension of the rope outlet end is 10t, the preset speed is 52m/min, namely, the traction winch is used for winding or unwinding the cable at the speed not exceeding 52 m/min.
Optionally, the cable storage winch control module 11 may be further configured to control the cable storage winch 20 to passively release the cable at a constant tension when the tension of the rope outlet end of the cable towing winch system exceeds a preset load tension during the towing operation of the cable towing winch system. The winch control module 12 may be further configured to control the winch 50 to passively release the cable at a constant tension when the tension of the rope outlet end of the cable winch system exceeds a preset load tension during the towing operation of the cable winch system. The preset load tension is the difference value between the weight of the underwater equipment and the buoyancy borne by the underwater equipment. The working process of the cable towing winch system comprises cable laying operation, towing operation and cable collecting operation. The cable laying operation is an operation process of laying underwater equipment connected to a cable into water, the cable retracting operation is an operation process of recovering the underwater equipment, and the dragging operation is an operation process of keeping the underwater equipment at a target depth. The preset load tension is the tension of the rope outlet end under the condition of no wind waves, so that the preset load tension is equal to the difference value between the weight of the underwater equipment and the buoyancy borne by the underwater equipment. However, the situation of no wind wave is difficult to occur completely, the underwater equipment is influenced by the wind wave after being placed to the target depth, the underwater equipment can float up and down to drag the cable, so that the tension on the cable is changed, when the underwater equipment sinks, the tension of the rope outlet end can be increased, and when the underwater equipment floats upwards, the tension of the rope outlet end can be reduced. When the tension of the rope outlet end of the cable dragging winch system exceeds the preset load tension, the cable storage winch 20 is controlled to passively release the cable with constant tension, and the traction winch 50 is controlled to passively release the cable with constant tension, so that the excessive tension on the cable can be avoided.
Further, the cable storage winch control module 11 may be further configured to control the cable storage winch 20 to actively take up the cable when the total length of the cable paid out by the cable towing winch system exceeds the cable length threshold value until the total length of the cable paid out by the cable towing winch system is the theoretical cable length. The winch control module 12 may be further configured to control the winch 50 to actively retract the cable when the total length of the cable paid out by the cable winch system exceeds the cable length threshold value until the total length of the cable paid out by the cable winch system is the theoretical cable length. Wherein the theoretical cable length is the minimum length of cable that the cable drag winch system needs to pay out when the subsea equipment is submerged to a target depth. In the complete absence of wind waves, the length of cable that needs to be paid out by the cable drag winch system when the subsea equipment is lowered to the target depth is minimal. In the presence of wind waves, it is difficult to keep the cable perfectly vertical in the water, so the length of cable actually paid out is usually greater than the theoretical cable length. To accommodate wind waves, the storage winch 20 and the towing winch 50 are unwound when the tension at the payout end of the cable drag winch system exceeds a predetermined load tension. However, in order to ensure that the underwater equipment works near the target depth, the total length of the cable paid out by the cable towing winch system cannot be too long, when the total length of the cable paid out by the cable towing winch system exceeds a cable length threshold value, the towing winch 50 and the cable storage winch 20 are controlled to actively reel in to shorten the total length of the cable paid out, and the towing winch 50 and the cable storage winch 20 repeatedly carry out active reeling in and passive reeling out to keep the underwater equipment near the target depth.
Illustratively, the cable length threshold may be 101-103% of the theoretical cable length, for example 102%. The cable length threshold value can be set according to specific operation requirements, and generally when the wind waves are large, the cable length threshold value can be set to be large, otherwise, when the wind waves are small, the cable length threshold value can be set to be small. Too long or too short a cable length threshold will cause the underwater equipment to deviate too far from the target depth.
Optionally, the control device may further comprise an alarm module 13, and the alarm module 13 may be configured to issue an alarm when the total length of the cable paid out by the cable drag winch system exceeds a cable length threshold. Therefore, the working condition of the cable towing winch system can be informed to the staff in time.
Illustratively, the alert may include at least one of a sound, a flashing light. For example, an alert tone, a flashing signal, or both an alert tone and a flashing signal may be included.
During the cable releasing operation, the towing operation and the cable retracting operation, the roller of the anti-loosening device 60 can rotate along the cable releasing direction of the cable to keep the cable between the anti-loosening device 60 and the traction winch 50 straight. The cable arranger 30 can adjust the cable during the cable reeling and unreeling process of the cable storage winch 20, so that the cable storage winch 20 can better reel and unreel the cable.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A cable drag winch system control apparatus, comprising:
the cable storage winch control module is used for controlling the cable storage winch to passively release the cable with preset tension in the cable releasing operation process of the cable dragging winch system, controlling the cable storage winch to actively release the cable with the preset tension in the cable releasing operation process of the cable dragging winch system, determining the preset tension according to the tension of the cable outlet end of the cable dragging winch system, and setting the preset tension as a first preset value when the tension of the cable outlet end of the cable dragging winch system does not exceed a tension threshold value; when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold, the preset tension is positively correlated with the tension of the rope outlet end of the cable drag winch system;
the traction winch control module is used for controlling the traction winch to actively release the cable at a speed not exceeding a preset speed in the cable releasing operation process of the cable dragging winch system, controlling the traction winch to actively retract the cable at the speed not exceeding the preset speed in the cable retracting operation process of the cable dragging winch system, wherein the preset speed is determined according to the tension of the cable outlet end of the cable dragging winch system, and when the tension of the cable outlet end of the cable dragging winch system does not exceed a tension threshold value, the preset speed is a second preset value; the predetermined speed is inversely related to the tension of the rope outlet end of the cable drag winch system when the tension of the rope outlet end of the cable drag winch system exceeds the tension threshold.
2. The control device according to claim 1, wherein the predetermined tension satisfies the following relationship:
and F is the preset tension, T is the tension of the rope outlet end of the cable dragging winch system, and the units of F and T are tons.
3. The control apparatus according to claim 1, wherein the predetermined speed satisfies the following relationship:
and V is the preset speed, T is the tension of the rope outlet end of the cable dragging winch system, the unit of V is m/min, and the unit of T is ton.
4. The control device according to any one of claims 1 to 3,
the cable storage winch control module is also used for controlling the cable storage winch to passively release the cable at constant tension when the tension of the rope outlet end of the cable towing winch system exceeds the preset load tension in the towing operation process of the cable towing winch system, and the preset load tension is the difference value between the weight of the underwater equipment and the buoyancy borne by the underwater equipment;
the traction winch control module is further used for controlling the traction winch to passively release the cable at a constant tension when the tension of the rope outlet end of the cable traction winch system exceeds the preset load tension in the process of the traction operation of the cable traction winch system.
5. The control device of claim 4, wherein the cable storage winch control module is further configured to control the cable storage winch to actively reel in the cable when the total length of the cable paid out by the cable drag winch system exceeds a cable length threshold value until the total length of the cable paid out by the cable drag winch system is a theoretical cable length, which is a minimum length of the cable required to be paid out by the cable drag winch system when the underwater equipment is submerged to a target depth;
the traction winch control module is further used for controlling the traction winch to actively take up the cable when the total length of the cable released by the cable traction winch system exceeds the cable length threshold value until the total length of the cable released by the cable traction winch system is the theoretical cable length.
6. The control device of claim 5, wherein the cable length threshold is 101-103% of a theoretical cable length.
7. The control device of claim 5, further comprising an alarm module for sounding an alarm when a total length of cable paid out by the cable drag winch system exceeds the cable length threshold.
8. The control device of claim 7, wherein the alert comprises at least one of a sound, a flashing light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148225.4A CN110065853B (en) | 2019-02-28 | 2019-02-28 | Control device of cable towing winch system |
Applications Claiming Priority (1)
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| CN110835004A (en) * | 2019-11-29 | 2020-02-25 | 天津开发区兴衡石油机械配件有限公司 | Cable winding and unwinding system for offshore seismic exploration |
| CN114408783A (en) * | 2021-12-24 | 2022-04-29 | 宜昌测试技术研究所 | Constant tension traction and cable storage winch control system |
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