CN110835004A - Cable winding and unwinding system for offshore seismic exploration - Google Patents
Cable winding and unwinding system for offshore seismic exploration Download PDFInfo
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- CN110835004A CN110835004A CN201911200834.6A CN201911200834A CN110835004A CN 110835004 A CN110835004 A CN 110835004A CN 201911200834 A CN201911200834 A CN 201911200834A CN 110835004 A CN110835004 A CN 110835004A
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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
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
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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
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/04—Guiding surfaces within slots or grooves
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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
- 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
- B65H75/4457—Arrangements of the frame or housing
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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
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
- G01V1/201—Constructional details of seismic cables, e.g. streamers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3808—Seismic data acquisition, e.g. survey design
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
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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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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Oceanography (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention relates to the technical field of offshore cable winding and unwinding equipment, and discloses a cable winding and unwinding system for offshore seismic exploration. The cable winding device, the cable arranging device, the cable winch and the cable releasing device are matched to realize the winding and releasing work of the cable in the marine seismic exploration, so that the cable winding and releasing work in the marine seismic exploration can be specially used, the cable winding and releasing work is easier and more efficient, and the labor is saved.
Description
Technical Field
The invention relates to the technical field of offshore cable pay-off and pay-off equipment, in particular to a cable pay-off and pay-off system for offshore seismic exploration.
Background
Marine seismic surveys are typically conducted by initiating a seismic source that is towed by a vessel close to the sea surface. Seismic energy propagates down through the earth and into formations, and during this propagation, after the seismic energy is reflected and/or refracted by fractures in the subsurface, a portion of the energy that is transmitted will return to the surface. The fracture is formed by the interface between layers with different elastic properties, known as a seismic reflector. The returned energy is recorded by seismic sensors at the sea floor or near the sea surface. In marine seismic exploration, two main methods are used to record the returned seismic energy. One is by using so-called hydrophone cables towed behind the vessel. Another approach is to deploy seismic sensors (geophones and hydrophones) on the seafloor.
To complete a marine seismic survey, a plurality of seismic streamers, each typically several thousand meters long and containing arrays of hydrophones and associated detection electronics distributed along their length, are towed at a speed of about 5 knots behind a seismic survey vessel, and the reflected signals are received by the hydrophones and associated electronics in the streamers, digitized and transmitted to the seismic survey vessel for processing, and an image of the earth formations in the area being surveyed is finally constructed, from which information about the earth formations in the designated area can be obtained and from which it can be ascertained whether there is an oil reservoir.
The existing marine seismic surveying device does not have a special system device for cable winding and unwinding work, and the cable winding and unwinding in the whole marine seismic exploration process is a heavy and labor-consuming process, so that the problem needs to be solved by providing a special cable winding and unwinding device for marine seismic exploration.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cable pay-off and take-up system for marine seismic exploration.
In order to achieve the above purpose, the invention provides the following technical scheme:
the cable winding and unwinding system for the offshore seismic exploration comprises a cable winding device, a cable arranging device, a cable winch and a cable unwinding device, wherein the cable winding device, the cable arranging device and the cable unwinding device are sequentially connected end to end in an arrangement mode, and the cable winch is placed on one side of the cable arranging device and used for winding cables.
The cable winding and unwinding operation is realized by matching the cable winding device, the cable arranging device, the cable winch and the cable unwinding device in the technical scheme.
In the invention, further, the cable retracting device comprises a retracting component and an operating rack, the retracting component and the operating rack are arranged in a collinear manner, the retracting component comprises a cable retracting conveying line, two groups of cable guide grooves and two groups of wire pressing units, the two groups of cable guide grooves are respectively and fixedly arranged at the wire inlet end and the wire outlet end of the cable retracting device, and the two groups of wire pressing units are arranged at the top end of the cable retracting conveying line at intervals from front to back.
Among the above-mentioned technical scheme, draw the subassembly through receiving and pull the cable that is arranged in the sea and pull into this cable receive and release system to can make the staff dismantle each detection equipment of erection joint on the cable here through setting up the operation rack, so that the rolling of follow-up cable.
In the invention, further, the wire pressing unit comprises an installation support, a swing arm support and rolling wheels, the installation support is fixedly arranged at the top end of the cable-retracting conveying line, one end of the swing arm support is hinged to the installation support, the rolling wheels are rotatably arranged at the other end of the swing arm support, the distance between the two groups of rolling wheels is 875mm, a plurality of groups of counterweight holes are uniformly distributed in the side wall of each rolling wheel along the circumferential direction of the rolling wheel, and counterweight rods are fixedly arranged in the counterweight holes according to actual use requirements in a penetrating mode.
Among the above-mentioned technical scheme, through the gravity of rolling wheel self, can tightly support the cable to receive the conveyer belt surface of cable transfer chain to provide corresponding frictional force and pull the cable and come up.
In the invention, the cable arrangement device further comprises a cable arrangement conveying line and a cable arrangement assembly, the cable arrangement assembly is fixedly arranged at the top end of the cable arrangement conveying line, the cable arrangement assembly comprises a cable arrangement guide rail, a cable arrangement trolley and a cable arrangement driving assembly, the cable arrangement trolley is slidably arranged on the cable arrangement guide rail, the cable arrangement trolley slides under the driving of the cable arrangement driving assembly, and the cable arrangement driving assembly is fixedly arranged on the cable arrangement conveying line.
Among the above-mentioned technical scheme, cooperate through arranging cable transfer chain and row cable subassembly and evenly arrange the book to the cable winch on with the cable.
In the invention, the cable arranging trolley further comprises a sliding base, a plurality of sets of anti-swing assemblies, an incoming line pressing wheel assembly, a steering wheel and an outgoing line support, wherein the incoming line pressing wheel assembly, the steering wheel and the outgoing line support are arranged on the upper surface of the sliding base, the plurality of sets of anti-swing assemblies are fixedly arranged at the bottom of the sliding base, each set of anti-swing assemblies comprises an anti-swing support and two sets of idler wheels which are rotatably arranged on the anti-swing support, and the cable arranging guide rail is clamped between the two sets of idler wheels.
Among the above-mentioned technical scheme, through setting up the multiunit and preventing putting the subassembly in the base bottom that slides, improve the stability of arranging the cable dolly.
In the invention, further, the cable unreeling device comprises a cable unreeling conveying line and a cable unreeling assembly, the cable unreeling assembly is fixedly arranged at the top of the outlet end of the cable unreeling conveying line, and the cable unreeling assembly comprises an installation base and a cable unreeling mechanism arranged on the installation base.
Among the above-mentioned technical scheme, put into the sea again the cable through cable laying transfer chain and cable laying subassembly to accomplish row's cable work.
In the invention, further, the cable laying mechanism comprises a fixed wheel, a cable laying motor, a swinging wheel, a swinging frame, a tightening spring and a tension adjusting device, the fixed wheel is rotatably arranged on the mounting base, the cable laying motor is in driving connection with the fixed wheel, the swinging wheel is rotatably arranged on the swinging frame, the swinging frame is rotatably arranged on the mounting base, the tension adjusting device is fixedly arranged on one side of the mounting base close to the fixed wheel, and the tightening spring is connected and arranged between the tension adjusting device and the swinging frame.
Among the above-mentioned technical scheme, adjust the clamp force between tight spring and the swinging arms through the tension adjusting device who tightens up that sets up in the cable laying mechanism in order to provide different drive power.
In the invention, the cable winch further comprises a winding drum, a turntable and a winch support, wherein the turntable is fixedly arranged at two ends of the winding drum, the winding drum is rotatably arranged on the winch support, a winch driving assembly and a brake device are arranged on the winch support, the winch driving assembly is movably arranged in the winch support, when the winch driving assembly is driven, the winch driving assembly is in contact with the outer circumferential wall of the turntable, the winch support is of a semi-surrounding type winch support structure, and an included angle between an inclined support rod at the opening end of the winch support and the vertical direction is 10-20 degrees.
Among the above-mentioned technical scheme, the capstan winch drive assembly can drive the carousel to the capstan winch drive assembly activity sets up inside the winch support, can in time adjust the position of capstan winch drive assembly according to the use needs, and in time adjust the carousel through stopping the device when need slow down or stop, sets up the contained angle of diagonal bracing piece and vertical direction to 10-20 and can be more stable in addition, is difficult for overturning.
In the invention, further, the cable take-up device, the cable arrangement device, the cable winch and the cable pay-off device are all provided with protection components.
In the technical scheme, the corresponding protection components are arranged at the relevant positions of all the equipment devices so as to improve the protection performance of all the devices in the whole system and ensure the personal safety of workers.
In the invention, further, the tail ends of the cable retracting conveying line and the cable releasing conveying line are respectively provided with a roller tensioning assembly.
Among the above-mentioned technical scheme, adjust conveyor belt's elasticity through setting up changeing roller tensioning assembly.
Compared with the prior art, the invention has the beneficial effects that:
the cable winding and unwinding device is matched with the cable unwinding device and the cable winding and unwinding device to wind and unwind the cable in the marine seismic exploration, so that the cable winding and unwinding device can be specially used for the cable winding and unwinding work in the marine seismic exploration, the cable winding and unwinding work is easier and more efficient, and the labor is saved.
In addition, the distance between two sets of rolling wheels in the line pressing unit is set to be 875mm, the distance can be used for smoothly retracting the cable, meanwhile, the whole length of the retracting assembly is reduced as much as possible, the space occupation of equipment is saved, and the balance weight is arranged in each rolling wheel, and can be adjusted according to specific use requirements so as to adjust the positive pressure of the rolling wheel on the cable, so that different friction forces are provided, and the cable can be retracted and pulled conveniently.
Meanwhile, the cable winch can be manually operated under a large load with great labor force by arranging the winch driving assembly, and the winch motor is used for driving the turntable to rotate when the cable winch needs to be continuously driven for a long time, so that the cable can be wound and released by the winch, manpower can be saved, and the working efficiency can be improved. In addition, the relative position between the winch driving assembly and the rotary table is adjusted by arranging the position adjusting assembly, when the driving is needed, the driving wheel is in contact with the outer circumferential wall of the rotary table, when the driving is not needed, the winch motor is far away from the rotary table, and at the moment, the manual adjustment can be carried out manually, so that the adjustment is more flexible and convenient, and certain electric energy can be saved. In addition, the winch support is provided with a braking device, so that braking can be carried out at any time in the working process.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the cable retracting device of the present invention.
Fig. 3 is an exploded connection structure schematic diagram of the rolling wheel and the counterweight rod.
Fig. 4 is a schematic view of the general structure of the cable arrangement device (with part of the protective assembly removed) in the present invention.
Fig. 5 is a schematic view of the overall structure of the cable arrangement assembly of the present invention.
Fig. 6 is a schematic view of the overall structure of the cable laying device of the present invention.
Fig. 7 is a schematic view of the overall structure of the cable laying assembly of the present invention.
Fig. 8 is a schematic view of the general structure of the cable winch according to the present invention.
Fig. 9 is an electrical control block diagram in the present invention.
In the drawings: 1. a cable retracting device; 10. a retracting component; 101. rolling wheels; 102. a swing arm bracket; 103. mounting a bracket; 104. a cable-retracting conveying line; 105. a weight port; 106. a counterweight rod; 107. a counterweight ring; 11. an operating bench; 12. a cable guide groove; 2. a cable arrangement device; 20. a cable arrangement assembly; 201. a slide base; 202. an incoming line pinch roller assembly; 203. a steering wheel; 204. a wire outlet bracket; 205. a drum; 206. a tooth block; 207. a drive chain; 208. a roller; 209. a swing prevention bracket; 21. a cable arrangement conveying line; 210. arranging cable guide rails; 3. a cable laying device; 30. a cable laying conveying line; 301. a cable laying motor; 302. a fixed wheel; 303. a swing frame; 304. a tension adjusting device; 305. tightening the spring; 306. a swinging wheel; 31. a cable pay-off assembly; 4. a cable winch; 41. a bobbin; 42. a turntable; 43. a winch support; 44. a winch drive assembly; 45. a braking device; 5. a guard assembly; 6. a roller tensioning assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, a preferred embodiment of the present invention provides a cable winding and unwinding system for marine seismic exploration, including a cable winding device 1, a cable arrangement device 2, a cable winch 4 and a cable unwinding device 3, wherein the cable winding device 1, the cable arrangement device 2 and the cable unwinding device 3 are sequentially connected end to end and arranged, and the cable winch 4 is disposed on one side of the cable arrangement device 2 for winding a cable.
The cable collecting device 1 drags cables which are arranged in the sea and are provided with various detection devices to a detection ship, belongs to the beginning of a cable collecting and releasing system in the invention, the cable arranging device 2 is used for repeatedly and uniformly arranging the cables on a winding drum 41, the cable winch 4 can realize the winding and the releasing of the cables, the cable releasing device 3 is used for releasing the cables released from the cable winch 4 to a relevant sea area at a proper speed again for detection, and the cable collecting and releasing work in the offshore exploration is realized through the matching among the devices.
Receive cable device 1 and draw subassembly 10 and operation rack 11 including receiving, receive and draw subassembly 10 and operation rack 11 collineation arrangement to place, receive and draw subassembly 10 including receiving cable transfer chain 104, cable guide slot 12 and two sets of line ball units, cable guide slot 12 is fixed to be set up in 1 inlet wire end and the leading-out terminal of cable device, can make the cable more smooth and easy when passing in and out this cable device 1 from this, can not scrape and then play the effect of protection cable with other parts, interval installation is on the top of receiving cable transfer chain 104 around two sets of line ball units. The wire pressing unit is used for pressing the upper part of the cable so as to provide a certain positive pressure, and therefore, a corresponding friction force is generated between the cable and the conveying belt on the cable-retracting conveying wire 104 so that the cable moves forwards all the time. The operating platform 11 allows the worker to remove the detection devices attached to the cable at this location for subsequent cable reeling in the cable winch 4, the relative positions of the operating platform 11 and the take-up and pull assembly 10 being interchangeable.
The line ball unit comprises a mounting support 103, a swing arm support 102 and rolling wheels 101, the mounting support 103 is fixedly arranged at the top end of the cable-retracting conveying line 104, one end of the swing arm support 102 is hinged to the mounting support 103, the rolling wheels 101 are rotatably arranged at the other end of the swing arm support 102, the distance between the two sets of rolling wheels 101 is 875mm, a plurality of groups of weight holes 105 are uniformly distributed in the side wall of each rolling wheel 101 along the circumferential direction of the side wall, and weight rods 106 are fixedly arranged in the groups of weight holes 105 in a penetrating mode according to actual use requirements. The counterweight rod 106 is arranged in the counterweight hole 105 in a penetrating way, after the counterweight rod is completely penetrated, the limiting protrusion at one end part of the counterweight rod 106 is clamped into the limiting groove hole of the rolling wheel 101 to realize limiting, and the counterweight ring 107 is screwed at the end part of the counterweight rod 106 through threads to realize fixing at the other end of the counterweight rod 106.
Because many electronic devices are installed on the cable, the rolling wheels 101 are lifted when related electronic devices pass through the rolling wheels in the process of drawing the cable, if the same electronic device enters the two groups of rolling wheels 101 at the same time, the cable is not in contact with the rolling wheels 101, and the friction between the electronic device and the conveying belt is small, so that the cable cannot be drawn up continuously due to the fact that the cable slips. If the distance between the two sets of rolling wheels 101 is set too small, it is particularly easy to cause the two sets of rolling wheels 101 to be lifted simultaneously, which results in easy slipping and inconvenient cable pulling, and at the same time, because the installation space of the detection vessel itself is limited, the too large distance between the two sets of rolling wheels 101 results in increased size of the equipment itself and inconvenient installation. The interval that sets up between two sets of rolling wheel 101 in the in-service use is 875mm, both can avoid two sets of rolling wheel 101 by the condition of lifting up simultaneously, also can minimize the size of equipment as far as possible, save occupation space, conveniently survey on the ship installation, if in-service use if under the circumstances that installation space allows, can continue to increase this interval.
The cable arrangement device 2 comprises a cable arrangement conveying line 21 and a cable arrangement assembly 20, the cable arrangement assembly 20 is fixedly arranged at the top end of the cable arrangement conveying line 21, a cable guide groove 12 is fixedly arranged at the wire inlet end of the cable arrangement conveying line 21, the cable arrangement device 2 and the cable collection device 1 can be arranged at intervals, the cable arrangement assembly 20 comprises a cable arrangement guide rail 210, a cable arrangement trolley and a cable arrangement driving assembly, the cable arrangement trolley is arranged on the cable arrangement guide rail 210 in a sliding mode and slides in a driving mode through the cable arrangement driving assembly, and the cable arrangement driving assembly is fixedly arranged on the cable arrangement conveying line 21. The cable arrangement driving assembly comprises a driving motor and a transmission assembly, the driving motor drives the transmission assembly to perform transmission operation, the transmission assembly comprises two groups of transmission chains 207, one group of transmission chains is installed on the cable arrangement guide rail 210, and the other group of transmission chains is used for connecting the driving motor with the transmission chains 207 installed on the cable arrangement guide rail 210 and transmitting power of the driving motor into the transmission chains so as to drive the cable arrangement trolley to perform reciprocating motion. The sliding base 201 is fixed with a tooth block 206 connected with the transmission chain 207, and the tooth block 206 is embedded in a tooth hole of the transmission chain 207, so that the transmission chain 207 can drive the sliding base 201 to slide.
The cable arranging trolley comprises a sliding base 201, a plurality of groups of anti-swing assemblies, an incoming line pinch roller assembly 202, a steering wheel 203 and an outgoing line support 204, wherein the incoming line pinch roller assembly 202, the steering wheel 203 and the outgoing line support 204 are arranged on the upper surface of the sliding base 201, cables penetrate through the incoming line pinch roller assembly 202, pass through the steering wheel 203 and then penetrate out of the outgoing line support 204 and finally are wound on a cable winch 4, and rollers 205 are arranged on the periphery of the inner side of the outgoing line support 204, so that abrasion of the outgoing line support 204 to the cables due to friction of the outgoing line support 204 to the cables can be avoided. The multiple sets of anti-swing components are fixedly arranged at the bottom of the sliding base 201, each set of anti-swing component comprises an anti-swing support 209 and two sets of rollers 208 rotatably arranged on the anti-swing support 209, and the cable arrangement guide rail 210 is clamped between the two sets of rollers 208. The stability of the cable arranging trolley in repeated sliding motion is improved by arranging a plurality of groups of anti-swing components at the bottom of the sliding base 201.
Inlet wire pinch roller subassembly 202 includes inlet wire support, slider and inlet wire wheel, and the slider slides and sets up on the inlet wire support, and the inlet wire wheel rotates and sets up on the slider, can slide along with the slider to guarantee that the cable of different diameters passes through.
The cable laying device 3 comprises a cable laying conveying line 30 and a cable laying assembly 31, the cable laying assembly 31 is fixedly arranged at the top of a wire outlet end of the cable laying conveying line 30, and the cable laying assembly 31 comprises an installation base and a cable laying mechanism arranged on the installation base. The cable discharged by the cable winch 4 can be re-discharged to the sea through the payout conveyor wire 30 and the payout assembly 31 to complete the cable discharge work.
The cable laying mechanism comprises a fixed wheel 302, a cable laying motor 301, a swinging wheel 306, a swinging frame 303, a tightening spring 305 and a tension adjusting device 304, the fixed wheel 302 is rotatably arranged on an installation base, the cable laying motor 301 is in driving connection with the fixed wheel 302, the swinging wheel 306 is rotatably arranged on the swinging frame 303, the swinging frame 303 is rotatably arranged on the installation base, the swinging frame 303 can drive the swinging wheel 306 to rotate by a certain angle around the rotating shaft, therefore, the distance between the fixed wheel 302 and the swinging wheel 306 can be increased in the rotating process, the passing of each electronic device conveniently installed on a cable is facilitated, the tension adjusting device 304 is fixedly arranged on one side of the installation base close to the fixed wheel 302, and the tightening spring 305 is connected and arranged between the tension adjusting device 304 and the swinging frame 303. Pulling force adjusting device 304 includes mount, alignment jig and accommodate the lead screw, and accommodate the lead screw establishes on the mount soon, and accommodate the lead screw rotates and sets up on the alignment jig to all establish lock nut soon through the both sides at the alignment jig and come accommodate the lead screw and alignment jig fixed connection, wear to establish the spacer pin on lock nut and prevent that lock nut is not hard up. The distance between the fixed frame and the adjusting frame is adjusted by rotating the adjusting screw rod, so that the tightening spring 305 is pulled to increase the clamping force between the fixed wheel 302 and the swinging wheel 306 to provide different driving forces.
The cable winch 4 comprises a winding reel 41, a rotary disc 42 and a winch support 43, wherein the rotary disc 42 is fixedly arranged at two ends of the winding reel 41, the winding reel 41 is rotatably arranged on the winch support 43, a winch driving assembly 44 and a brake device 45 are arranged on the winch support 43, the winch driving assembly 44 is movably arranged in the winch support 43, when the cable winch is driven, the winch driving assembly 44 is in contact with the outer circumferential wall of the rotary disc 42, the winch support 43 is of a semi-surrounding type winch support 43 structure, and an included angle between an inclined supporting rod at the opening end of the winch support 43 and the vertical direction is 10-20 degrees. The winch driving assembly 44 can drive the turntable 42, the winch driving assembly 44 is movably arranged inside the winch support 43, the position of the winch driving assembly 44 can be adjusted in time according to use needs, the turntable 42 can be adjusted in time through the braking device 45 when speed reduction or braking is needed, and in addition, the included angle between the inclined supporting rod and the vertical direction is set to be 10-20 degrees, so that the winch is more stable and is not easy to tip over. The resistance to tipping is best when this angle is 15 °.
The cable collecting device 1, the cable arranging device 2, the cable winch 4 and the cable releasing device 3 are all provided with a protection component 5. The protection assembly 5 comprises a protection net, a protection frame and a protection baffle, and protection structures in corresponding forms are arranged at relevant positions of all the equipment devices so as to improve the protection performance of all the devices in the whole system and ensure the personal safety of workers.
The tail ends of the cable collecting conveying line 104 and the cable releasing conveying line 30 are provided with roller tensioning assemblies 6. The tightness of the conveying belt is adjusted through the roller tensioning assembly 6, so that the normal use of the conveying belt is ensured. The rotating roller tensioning assembly 6 comprises a tensioning frame, a rotating shaft seat, a tensioning screw rod and a locking nut, the central rotating shaft of the rotating roller is rotated to penetrate through the rotating shaft seat, the rotating shaft seat is arranged inside the tensioning frame in a sliding mode, the tensioning screw rod is arranged on the tensioning frame in a rotating mode, the end portion of the rotating roller is connected with the rotating shaft seat in a rotating mode, the position of the rotating shaft seat is adjusted by rotating the tensioning screw rod, and the locking nut is used for locking the tensioning screw rod to prevent the rotating roller from loosening.
In the cable winding and unwinding system, the driving motor, the cable unwinding motor 301, the winch motor and the transmission motor for driving the transmission belt to rotate are electrically connected with the controller, the rotating speed and the rotating direction of each group of motors are controlled by the controller, and the winding and unwinding work of cables is realized by matching of the motors. The programmable controller PLC can be used to control the motion of each motor during the programming control of the controller, and the above selection of each motor and the selection and programming of the controller are well known in the art, and will not be described herein.
The working principle is as follows:
wire and cable winding
Firstly, the staff checks and adjusts each device to a normal working state, then the head end of a manual traction cable sequentially passes through the operation table and the retraction assembly 10, the two groups of rolling wheels 101 are lifted when the manual traction cable passes through the retraction assembly 10, the cable is arranged between the rolling wheels 101 and the conveying belt in a penetrating mode, then the cable penetrates through the inlet wire pressing wheel assembly 202, passes through the steering wheel 203, then penetrates out of the outlet wire support 204, and finally is wound on the cable winch 4, and at this time, the preparation work is finished.
Then, the motor at the relevant position is started through the controller to perform corresponding driving operation, at this time, the transmission belt on the cable winding transmission line 104 starts to rotate and drives the cables clamped between the transmission belt and the rolling wheel 101 to start to advance, meanwhile, the cable winch 4 starts to rotate the winding drum 41 to wind the cables on the winding drum 41 under the driving of the winch driving assembly 44, the driving motor operates to drive the cable arranging trolley to slide back and forth on the cable arranging guide rail 210 in the cable arranging process of the cable winch 4 so as to evenly arrange and wind the cables on the winding drum 41, all the devices cooperatively act until all the cables are wound on the cable winch 4, and in the cable winding process, a worker can detach all the electronic devices installed on the cables at the operation rack 11.
Second, laying of cables
Firstly, the worker manually pulls the end of the cable which is wound on the cable winch 4, then the cable firstly passes through the outlet bracket 204, is deflected by the steering wheel 203 and then passes out, then the cable is pulled and laid on the cable laying conveying line 30 and passes through a position between the fixed wheel 302 and the swinging wheel 306 in the cable laying mechanism, and at the moment, the cable laying preparation work is completed.
Then, the winch driving assembly 44 and the cable laying motor 301 are controlled by the controller to move, the cable laying motor 301 drives the fixed wheel 302 to rotate, the cable clamped between the fixed wheel 302 and the swinging wheel 306 can be gradually discharged under the driving of the fixed wheel, meanwhile, the winch driving assembly 44 also drives the cable winch 4 to rotate to gradually discharge the wound cable, in the whole cable discharging process, a worker can install each electronic device on the cable when the cable passes through the cable laying conveying line 30, and therefore all the cables are discharged to a relevant sea area to complete cable laying work.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. The cable winding and unwinding system for the offshore seismic exploration is characterized by comprising a cable winding device (1), a cable arranging device (2), a cable winch (4) and a cable unwinding device (3), wherein the cable winding device (1), the cable arranging device (2) and the cable unwinding device (3) are sequentially connected end to end and arranged, and the cable winch (4) is placed on one side of the cable arranging device (2) and used for winding cables.
2. The cable pay-off and pay-off system for marine seismic exploration, as claimed in claim 1, wherein the cable pay-off device (1) comprises a pay-off and pay-off assembly (10) and an operating rack (11), the pay-off and pay-off assembly (10) and the operating rack (11) are arranged in a collinear manner, the pay-off and pay-off assembly (10) comprises a pay-off and pay-off conveyor line (104), two sets of cable guide grooves (12) and two sets of line pressing units, the two sets of cable guide grooves (12) are respectively and fixedly arranged at an inlet end and an outlet end of the cable pay-off device (1), and the two sets of line pressing units are arranged at the top end of the pay-off and pay.
3. The cable pay-off and pay-off system for marine seismic exploration, as claimed in claim 2, wherein the line pressing unit comprises a mounting support (103), a swing arm support (102) and rolling wheels (101), the mounting support (103) is fixedly arranged at the top end of the cable pay-off conveying line (104), one end of the swing arm support (102) is hinged to the mounting support (103), the rolling wheels (101) are rotatably arranged at the other end of the swing arm support (102), the distance between two sets of rolling wheels (101) is 875mm, a plurality of sets of weight holes (105) are uniformly distributed on the side wall of each rolling wheel (101) along the circumferential direction of the rolling wheel, and weight rods (106) are fixedly arranged in the weight holes (105) according to use requirements.
4. The cable pay-off and take-up system for marine seismic exploration, as claimed in claim 1, wherein the cable pay-off device (2) comprises a cable pay-off conveyor line (21) and a cable pay-off assembly (20), the cable pay-off assembly (20) is fixedly arranged at the top end of the cable pay-off conveyor line (21), the cable pay-off assembly (20) comprises a cable pay-off guide rail (210), a cable pay-off trolley and a cable pay-off drive assembly, the cable pay-off trolley is slidably arranged on the cable pay-off guide rail (210) and is driven to slide by the cable pay-off drive assembly, and the cable pay-off drive assembly is fixedly arranged on the cable pay-off conveyor line (21).
5. The cable pay-off and take-up system for offshore seismic exploration, as claimed in claim 4, wherein the cable pay-off trolley comprises a sliding base (201), a plurality of sets of anti-swing assemblies, an incoming line pinch roller assembly (202), a steering wheel (203) and an outgoing line support (204), the incoming line pinch roller assembly (202), the steering wheel (203) and the outgoing line support (204) are arranged on the upper surface of the sliding base (201), the plurality of sets of anti-swing assemblies are fixedly arranged at the bottom of the sliding base (201), each set of anti-swing assemblies comprises an anti-swing support (209) and two sets of rollers (208) rotatably arranged on the anti-swing support (209), and the cable pay-off guide rail (210) is clamped between the two sets of rollers (208).
6. The cable pay-off and pay-off system for marine seismic exploration, as claimed in claim 2, wherein the cable pay-off device (3) comprises a cable pay-off conveying line (30) and a cable pay-off assembly (31), the cable pay-off assembly (31) is fixedly arranged on the top of the outlet end of the cable pay-off conveying line (30), and the cable pay-off assembly (31) comprises a mounting base and a cable pay-off mechanism arranged on the mounting base.
7. The cable pay-off and pay-off system for marine seismic exploration, as claimed in claim 6, wherein the cable pay-off mechanism comprises a fixed wheel (302), a cable pay-off motor (301), a swinging wheel (306), a swinging frame (303), a tightening spring (305) and a tension adjusting device (304), the fixed wheel (302) is rotatably arranged on the mounting base, the cable pay-off motor (301) is in driving connection with the fixed wheel (302), the swinging wheel (306) is rotatably arranged on the swinging frame (303), the swinging frame (303) is rotatably arranged on the mounting base, the tension adjusting device (304) is fixedly arranged on one side of the mounting base close to the fixed wheel (302), and the tightening spring (305) is connected and arranged between the tension adjusting device (304) and the swinging frame (303).
8. The cable reel system for marine seismic surveying of claim 1, the cable winch (4) comprises a winding drum (41), a rotary table (42) and a winch bracket (43), the rotary tables (42) are fixedly arranged at two ends of the winding reel (41), the winding reel (41) is rotatably arranged on the winch bracket (43), the winch bracket (43) is provided with a winch driving component (44) and a braking device (45), the winch driving assembly (44) is movably arranged inside the winch bracket (43), when the winch is driven, the winch driving assembly (44) is contacted with the outer circumferential wall of the rotating disc (42), the winch support (43) is of a semi-surrounding type winch support (43) structure, and the inclined supporting rod at the open end of the winch bracket (43) forms an included angle of 10-20 degrees with the vertical direction.
9. The cable pay-off and take-up system for marine seismic exploration, as claimed in claim 1, wherein a protection assembly (5) is arranged on each of the cable pay-off device (1), the cable arrangement device (2), the cable winch (4) and the cable pay-off device (3).
10. The cable pay-off and take-up system for marine seismic exploration, according to claim 6, characterized in that the tail ends of the cable pay-off and take-up conveying line (30) and the cable pay-off and take-up conveying line (104) are provided with roller tensioning assemblies (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200834.6A CN110835004A (en) | 2019-11-29 | 2019-11-29 | Cable winding and unwinding system for offshore seismic exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200834.6A CN110835004A (en) | 2019-11-29 | 2019-11-29 | Cable winding and unwinding system for offshore seismic exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110835004A true CN110835004A (en) | 2020-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911200834.6A Pending CN110835004A (en) | 2019-11-29 | 2019-11-29 | Cable winding and unwinding system for offshore seismic exploration |
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Cited By (1)
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|---|---|---|---|---|
| CN115954802A (en) * | 2023-03-13 | 2023-04-11 | 南通市海洋水建工程有限公司 | Wind power submarine cable laying system |
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