CN114408682A - Cable laying winch device for underwater electric field detection - Google Patents
Cable laying winch device for underwater electric field detection Download PDFInfo
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- CN114408682A CN114408682A CN202111587652.6A CN202111587652A CN114408682A CN 114408682 A CN114408682 A CN 114408682A CN 202111587652 A CN202111587652 A CN 202111587652A CN 114408682 A CN114408682 A CN 114408682A
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- winch
- winding drum
- cable
- electric field
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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
- B65H75/4484—Electronic arrangements or adaptations for controlling the winding or unwinding process, e.g. with sensors
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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
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention discloses a cable laying winch device for underwater electric field detection, which comprises: the device comprises a winch supporting plate, a fixed pull rod, a cable storage winch, a shaft fixing assembly, a magnetic induction switch and a magnet; the two winch supporting plates are connected through a fixed pull rod; the cable storage winch is arranged between the two winch supporting plates and is limited in the vertical direction through the shaft fixing assembly; an electric field sensor to be distributed is arranged in the cable storage winch, a connecting cable of the electric field sensor is wound on the outer circumferential surface of the cable storage winch, and the cable is discharged through the rotation of the cable storage winch; the magnetic induction switch is fixed on the inner side surface of the winch supporting plate, the magnet is arranged on the outer circumferential surface of the cable storage winch, and when the magnet rotates along with the cable storage winch to be in contact with the magnetic induction switch, the magnetic induction switch is triggered; the device can realize accurate the laying of electric field sensor to prevent that connecting cable from taking place cable damage and cable winding's problem dragging in the process.
Description
Technical Field
The invention belongs to the technical field of ocean electric field detection equipment, and particularly relates to a cable laying winch device for underwater electric field detection.
Background
With the development of the submarine electric field and the research on the propagation characteristic mechanism, the marine electric field detection is applied to the detection and search of large-scale targets far away underwater, generally speaking, the underwater electric field detection needs to arrange a plurality of electric field sensors to work simultaneously, the electric field sensors need to be separated by a certain distance, and a connecting cable between each electric field sensor and a data processing platform at the bottom needs to form a certain angle just like arranging a large-scale antenna for receiving an electric field underwater. The electric field detection sensitivity is not only related to the detection precision of the electric field sensor, but also related to the arrangement angle of the electric field sensor and the arrangement length of a sensor connecting cable. Therefore, the electric field sensor and the connecting cable can be arranged on the seabed according to the direction and length requirements in the electric field sensor arrangement engineering operation, so that an electric field detection cable arrangement winch device is required to be carried on an underwater vehicle, the electric field sensor connecting cable is arranged on the side of the vehicle due to the fact that the electric field sensor connecting cable is long, the cable storage needs to be arranged on the vehicle, the underwater vehicle is used for dragging the electric field sensor connecting cable to a specified position along a certain direction, then the electric field sensor is released to the specified position, and the vehicle floats to the water surface for recycling after completing tasks. In addition, the detection precision of the electric field sensor is extremely high, and the electrochemical reaction of the metal structure close to the electric field sensor can interfere the electric field detection of the electric field sensor, so that no metal structure exists in a short distance after the electric field sensor is released, and the electric field sensor has certain requirements on long-term storage conditions on land, namely land needs to be soaked in salt water and cannot be exposed in the air for a long time, so that the reduction of the sensitivity of the electric field sensor is avoided.
At present, electric field sensors and connecting cables are mainly placed by dragging and placing by a ship close to the water surface, a seat bottom data processing platform is placed on the sea bottom, and then the electric field sensor connecting cables are dragged to a placing point along a designated direction by the ship close to the water surface and then released to the water bottom. This arrangement has several problems:
1. the length of a connecting cable between an electric field sensor and a base data processing platform is about one hundred meters, the laying water depth is several hundred meters, and the accurate fixed-point laying of the electric field sensor is difficult to realize by using a rope to pull the connecting cable by a ship on the water surface;
2. the cable diameter of a connecting cable between the electric field sensor and the seat bottom data processing platform is generally thin, the tensile strength is low, the connecting cable is very likely to be broken when a ship on the water drags the connecting cable, or the seat bottom data processing platform is dragged, so that great potential safety hazards of equipment exist;
3. one base data processing platform is often connected with three to four electric field sensors, namely three to four connecting cables need to be directionally laid, and if a ship on the water pulls the connecting cables, the problem of cable winding is easily caused, so that the laying is failed.
Disclosure of Invention
In view of the above, the invention provides a cable laying winch device for underwater electric field detection, which can solve the problems of land storage, underwater cable laying and electric field sensor release of an electric field sensor, realize accurate laying of the electric field sensor and prevent a connecting cable from being damaged and wound in the process of dragging.
The invention is realized by the following technical scheme:
the utility model provides a winch device is put with cable cloth to electric field detection under water, includes: the device comprises a winch supporting plate, a fixed pull rod, a cable storage winch, a shaft fixing assembly, a magnetic induction switch and a magnet;
the two winch supporting plates are oppositely arranged in parallel and are connected into an integral structure through more than two fixed pull rods;
open grooves are processed on the two winch supporting plates; the opening of the open slot is vertically downward;
the cable storage winch is arranged between the two winch supporting plates, and two shaft ends of the cable storage winch are respectively matched with the open grooves of the two winch supporting plates and respectively extend out of the two winch supporting plates;
the two shaft fixing assemblies are respectively arranged on the outer side surfaces of the two winch supporting plates, and support two shaft ends of the cable storage winch extending out of the two winch supporting plates, so that the cable storage winch is limited in the vertical direction, and the cable storage winch is locked between the two winch supporting plates;
an electric field sensor to be distributed is arranged in the cable storage winch, a connecting cable of the electric field sensor is wound on the outer circumferential surface of the cable storage winch, and the connecting cable is discharged through rotation of the cable storage winch;
the magnetic induction switch is fixed on the inner side surface of the winch supporting plate, the magnet is installed on the outer circumferential surface of the cable storage winch, when the magnet rotates to be in contact with the magnetic induction switch along with the cable storage winch, the magnetic induction switch is triggered, the number of the rotation turns of the cable storage winch can be calculated through the number of the triggered magnetic induction switches, and then the cable laying length of the connecting cable of the electric field sensor can be obtained.
Further, the cable storage winch includes: the device comprises a winding drum, a winding drum hollow shaft, a winding drum side baffle, a ceramic bearing and a bearing fixing nut;
the winding drum is of a hollow cylindrical structure, and a cable outlet communicated with the inner cavity of the winding drum is formed in the side wall of the winding drum;
the hollow shaft of the winding drum is of a hollow cylindrical structure, and an annular step surface is processed on the outer circumferential surface of the hollow shaft;
the two winding drum hollow shafts are coaxially arranged in two ends of the winding drum through ceramic bearings respectively, and the inner cavity of the winding drum is communicated with the inner cavities of the two winding drum hollow shafts to form an installation cavity;
the two winding drum side baffles are coaxially fixed at two ends of the winding drum respectively and are sleeved outside the two winding drum hollow shafts respectively, one end face of each winding drum side baffle abuts against an annular step face on the winding drum hollow shaft, and the other end face of each winding drum side baffle abuts against an outer ring of the ceramic bearing; the bearing fixing nut is fixedly arranged at the shaft end of the hollow shaft of the winding drum positioned in the winding drum and abutted against the inner ring of the ceramic bearing, and the bearing fixing nut and the side baffle of the winding drum are used for axially limiting the ceramic bearing and the hollow shaft of the winding drum;
the shaft ends of two drum hollow shafts positioned outside the drum are respectively matched with the open grooves of the two winch supporting plates, the drum hollow shafts are limited in the vertical direction through a shaft fixing assembly, and the cable storage winch is locked between the two winch supporting plates;
the electric field sensor to be distributed is placed in the inner cavity of the winding drum, namely the installation cavity, and a connecting cable of the electric field sensor extends out of a cable outlet of the winding drum and is wound on the winding drum;
the magnet is installed on the outer circumferential surface of the winding drum side baffle.
Further, the cable storage winch further comprises a sealing cover; the shaft end of the winding drum hollow shaft positioned outside the winding drum is provided with internal threads, and the two sealing covers are respectively installed at the shaft ends of the two winding drum hollow shafts through threads and seal the two ends of the installation cavity;
and a cable outlet on the winding drum is sealed by vulcanized rubber in a plugging manner, so that the installation cavity forms a sealed space, and the sealed space is filled with saline.
Furthermore, the top of an open slot on the winch supporting plate is processed into an arch shape, and the bottom of the open slot is a horn-shaped opening;
the cross section of the shaft end of the hollow shaft of the winding drum, which is positioned outside the winding drum, is arched, and the shaft end is matched with the open slot on the supporting plate.
Furthermore, the winding drum hollow shaft, the winding drum side baffle, the ceramic bearing and the bearing fixing nut are all made of non-metal materials.
Further, each of the shaft fixing assemblies includes: the winding drum releasing motor, the screw rod, the stop block nut, the guide rail and the screw rod bearing seat;
the winding drum releasing motor is fixed on the outer side surface of the winch supporting plate;
the screw rod bearing block is fixed on the outer side surface of the winch supporting plate, one shaft end of the screw rod is installed on the screw rod bearing block through a bearing, and the other shaft end of the screw rod is connected with an output shaft of a winding drum release motor;
the guide rail is fixed on the outer side surface of the winch supporting plate, and the length direction of the guide rail is parallel to the axial direction of the screw rod; one side of the stop block nut is in sliding fit with the guide rail, and the other side of the stop block nut is in threaded fit with the lead screw; when the output shaft of the reel release motor rotates, the stop block nut can be driven to do linear motion along the axial direction of the screw rod.
Furthermore, the winch device also comprises a compression roller and a compression roller bracket;
two parallel fixed pull rods between the two winch supporting plates are respectively a fixed pull rod A and a fixed pull rod B;
the compression roller supports are of plate-shaped structures bent to form obtuse angles, one ends of the two compression roller supports are respectively in pin joint with the fixed pull rod A, the other ends of the two compression roller supports are respectively connected with the compression roller, and the axial direction of the compression roller is parallel to the axial direction of the winding drum; one ends of the two tension springs are respectively connected with the middle parts of the two compression roller supports in a one-to-one correspondence mode, the other ends of the two tension springs are respectively connected with the fixed pull rod B, the two tension springs are both in a stretching state, and therefore the compression rollers are tightly pressed on the connecting cables of the cable storage winch under the pressure action of the tension springs.
Further, the winding drum releasing motor is hermetically arranged in the first sealed cabin;
a battery and a control unit are also arranged in the first sealed cabin; the control unit is electrically connected with the magnetic induction switch through a cable, after the magnetic induction switch is triggered, the magnetic induction switch sends detection signals to the control unit, and the control unit can calculate the number of rotation turns of the side baffle of the winding drum by accumulating the number of the received detection signals, so that the cable laying length of a connecting cable of the electric field sensor can be estimated; the control unit is also electrically connected with the winding drum releasing motor through a cable and is used for controlling the winding drum releasing motor to work; the battery is connected with the winding drum release motor and the magnetic induction switch through cables respectively and used for supplying power to the winding drum release motor and the magnetic induction switch.
Has the advantages that:
(1) the invention can be carried on an underwater vehicle or underwater platform equipment such as an ROV, an AUV and the like, and can be used for paying off cables through a towing and cable storage winch of the underwater vehicle, when the magnet triggers the magnetic induction switch, the magnetic induction switch sends detection signals to the control unit, the control unit can calculate the number of rotation turns of the side baffle plate of the winding drum by accumulating the number of the received detection signals, and further can estimate the paying-off length of the connecting cable of the electric field sensor, so that the electrode sensor for electric field detection and the connecting cable thereof arranged on the winch device can realize fixed-point directional accurate paying-off.
(2) According to the invention, the connecting cable is released through the cable storage winch, so that the connecting cable can be prevented from being dragged, the connecting cable is prevented from being pulled off, and the problem of potential safety hazard is solved; meanwhile, the connecting cables of the three to four electric field sensors are all released through the cable storage winch, so that the problem that the cable is easily wound when the water surface ship pulls the connecting cable to be released can be solved.
(3) When the electric field sensor is stored on land, the state of the electric field sensor in seawater is simulated by filling saline water in a sealed space where the electric field sensor is located, so that the electric field sensor can be stored on land for a long time; the requirements of the electric field sensor on underwater work and long-term land storage are met.
Drawings
FIG. 1 is a three-dimensional structural view of the present invention after assembly;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic sectional view taken along line A of FIG. 2;
fig. 4 is a schematic diagram of the movement process of the function implementation of the invention.
The automatic winding machine comprises a winch support plate 1, a lead screw bearing seat 2, a stop block nut 3, a lead screw 4, a winding drum release motor 5, a sealing cover 6, a winding drum hollow shaft 7, a fixed pull rod 8, a pressing roller 9, a magnet 10, a pressing roller support 11, a tension spring 12, a winding drum side baffle 13, a winding drum 14, a magnetic induction switch 15, a ceramic bearing 16 and a bearing fixing nut 17.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a cable laying winch device for underwater electric field detection, referring to fig. 1-3, including: the device comprises a winch supporting plate 1, a fixed pull rod 8, a cable storage winch, a shaft fixing assembly, a sealed cabin II, a magnetic induction switch 15, a magnet 10, a compression roller 9 and a compression roller bracket 11;
the two winch supporting plates 1 are oppositely arranged in parallel and connected into an integral structure through more than two fixed pull rods 8 to form a main body frame of the winch device;
open grooves are processed on the two winch supporting plates 1; the top of the open slot is processed into an arch shape, namely a combination of a semi-arc and a rectangle, the bottom of the open slot is a horn-shaped opening, and the opening is vertically downward;
the cable storage winch is arranged between the two winch supporting plates 1, and two shaft ends of the cable storage winch are respectively matched with the open grooves of the two winch supporting plates 1 and respectively extend out of the two winch supporting plates 1;
the two shaft fixing assemblies are respectively arranged on the outer side surfaces of the two winch supporting plates 1, and support two shaft ends of the cable storage winch extending out of the two winch supporting plates 1, so that the cable storage winch is limited in the vertical direction and is locked between the two winch supporting plates 1, and the cable storage winch is prevented from falling off from the open slot;
wherein the cable storage winch comprises: a winding drum 14, a winding drum hollow shaft 7, a winding drum side baffle 13, a ceramic bearing 16, a bearing fixing nut 17 and a sealing cover 6; and the components of the cable storage winch are all made of non-metal materials;
the winding drum 14 is a hollow cylindrical structure, the inner circumferential surfaces of two ends of the winding drum are provided with annular bosses, and the side wall of the winding drum 14 is provided with a cable outlet communicated with the inner cavity of the winding drum;
the hollow shaft 7 of the winding drum is of a hollow cylindrical structure, and an annular step surface is processed on the outer circumferential surface of the hollow shaft;
the two winding drum hollow shafts 7 are coaxially arranged in annular bosses at two ends of a winding drum 14 through ceramic bearings 16 respectively, and the inner cavity of the winding drum 14 is communicated with the inner cavities of the two winding drum hollow shafts 7 to form an installation cavity;
the two winding drum side baffles 13 are coaxially fixed at two ends of the winding drum 14 through screws respectively and are sleeved outside the two winding drum hollow shafts 7 respectively, one end face of each winding drum side baffle 13 abuts against an annular step face on each winding drum hollow shaft 7, and the other end face of each winding drum side baffle 13 abuts against an outer ring of the ceramic bearing 16; a bearing fixing nut 17 is fixed at the shaft end of the drum hollow shaft 7 in the drum 14, the bearing fixing nut 17 abuts against an inner ring of the ceramic bearing 16, and the bearing fixing nut 17 and the drum side baffle 13 realize axial limiting of the ceramic bearing 16 and axial limiting of the drum hollow shaft 7; the cross section of the shaft end of the hollow shaft 7 of the winding drum, which is positioned outside the winding drum 14, is arched, an internal thread is processed at the shaft end, two sealing covers 6 are respectively installed at the shaft ends of the hollow shaft 7 of the winding drum through threads, and two ends of the installation cavity are sealed;
the electric field sensor to be distributed is placed in the inner cavity of the winding drum 14, namely the installation cavity, a connecting cable of the electric field sensor extends out of a cable outlet of the winding drum 14 and winds around the winding drum 14, the cable outlet on the winding drum 14 is sealed by vulcanized rubber in a sealing mode, so that the installation cavity forms a sealed space, and the sealed space is filled with saline water, so that the electric field sensor can be stored on land for a long time;
the arched shaft ends of the two drum hollow shafts 7 of the cable storage winch are respectively matched with the open grooves of the two winch supporting plates 1, the drum hollow shafts 7 are limited in the vertical direction through the shaft fixing assembly, and the cable storage winch is locked between the two winch supporting plates 1;
wherein each of the shaft fixing assemblies includes: the device comprises a first sealed cabin, a reel release motor 5, a screw rod 4, a stop block nut 3, a guide rail and a screw rod bearing seat 2;
the first sealed cabin is fixed on the outer side surface of the winch supporting plate 1, the winding drum releasing motor 5 is hermetically installed in the first sealed cabin, and an output shaft of the winding drum releasing motor 5 extends out of the first sealed cabin;
the screw rod bearing block 2 is fixed on the outer side surface of the winch supporting plate 1, one shaft end of the screw rod 4 is installed on the screw rod bearing block 2 through a bearing, and the other shaft end is connected with an output shaft of a winding drum release motor 5;
the guide rail is fixed on the outer side surface of the winch supporting plate 1, and the length direction of the guide rail is parallel to the axial direction of the screw rod 4; one side of the stop block nut 3 is in sliding fit with the guide rail, and the other side of the stop block nut 3 is in threaded fit with the screw rod 4; when the output shaft of the reel release motor 5 rotates, the stop block nut 3 can be driven to do linear motion along the axial direction of the screw rod 4; when storing up the cable capstan winch and installing between two winch backup pads 1, dog nut 3 moves to along the axial of lead screw 4 open slot department in the winch backup pad 1 to support on the lower plane of reel quill shaft 7, will reel quill shaft 7 blocks, prevents that it from coming off from the open slot in the winch backup pad 1, when storing up the cable capstan winch and coming off between two winch backup pads 1, dog nut 3 moves to under the effect of lead screw 4 one side of open slot, and with the open slot noninterference, two reel quill shafts 7 of storing up the cable capstan winch fall from the tubaeform opening of the open slot that corresponds respectively, promptly store up the cable capstan winch and come off from between two winch backup pads 1.
Two parallel fixed pull rods 8 between the two winch supporting plates 1 are respectively a fixed pull rod A and a fixed pull rod B;
the compression roller supports 11 are of a plate-shaped structure bent to form an obtuse angle, one ends of the two compression roller supports 11 are respectively in pin joint with the fixed pull rod A, the other ends of the two compression roller supports 11 are respectively connected with the compression roller 9, and the axial direction of the compression roller 9 is parallel to the axial direction of the winding drum 14; one end of each of the two tension springs 12 is connected with the middle of each of the two compression roller supports 11 in a one-to-one correspondence manner, the other end of each of the two tension springs 12 is connected with the fixed pull rod B, and the two tension springs 12 are in a stretching state, so that the compression rollers 9 are pressed on the connecting cables on the winding drum 14 under the pressure action of the tension springs 12, and certain damping is ensured to be not capable of loosening the connecting cables when the winding drum 14 is unwound.
The two second sealed cabins are respectively fixed on the inner side surfaces of the two winch supporting plates 1, and the magnetic induction switch 15 is hermetically installed in each sealed cabin; two magnets 10 are respectively installed on the outer circumferential surfaces of the two drum side baffle plates 13; when the two magnets 10 rotate to respectively contact with the two magnetic induction switches 15 in a one-to-one correspondence manner along with the drum side baffle 13, the magnets 10 trigger the magnetic induction switches 15;
a battery and a control unit are also arranged in the first sealed cabin; the control unit is electrically connected with the magnetic induction switch 15 through a cable, after the magnetic induction switch 15 is triggered, the magnetic induction switch 15 sends a detection signal to the control unit, and the control unit can calculate the number of rotation turns of the drum side baffle 13 by accumulating the number of the received detection signals, so that the cable laying length of a connecting cable of the electric field sensor can be estimated; the control unit is also electrically connected with the winding drum releasing motor 5 through a cable and is used for controlling the winding drum releasing motor 5 to work; the battery is respectively connected with the winding drum release motor 5 and the magnetic induction switch 15 through cables and is used for supplying power to the winding drum release motor 5 and the magnetic induction switch 15.
The working principle is as follows: when the electric field sensor is stored on land, firstly, the electric field sensor to be subjected to cable laying is placed in an inner cavity of the winding drum 14, namely the installation cavity, a connecting cable of the electric field sensor extends out of a cable outlet of the winding drum 14 and is wound on the winding drum 14, and the cable outlet on the winding drum 14 is sealed by vulcanized rubber; then filling salt water into the installation cavity to simulate the state of the electric field sensor in seawater, so that the electric field sensor can be stored on land for a long time; finally, the sealing covers 6 are installed on the two drum hollow shafts 7, and the installation cavity is sealed to form a sealed space.
When the electric field sensor is arranged, the winch device is carried on an underwater vehicle, namely, the winch device is fixed with the underwater vehicle through the winch supporting plate 1, and the sealing cover 6 is taken down before launching, so that the electric field sensor in the winding drum 14 can be contacted with external seawater after launching. As shown in fig. 4, in the dragging process of the underwater vehicle, the connecting cable on the cable laying winch device starts to lay the cable, the drum side baffle 13 drives the magnet 10 to rotate, the magnetic induction switch 15 starts to detect the number of times that the magnet 10 touches the switch, the cable laying length of the connecting cable is estimated, when the cable laying length reaches the preset cable laying length, the drum releasing motor 5 drives the lead screw 4 to rotate, the stop nut 3 starts to slide, and when the stop nut 3 completely slides to one side of the open slot of the winch supporting plate 1, the cable storage winch is released from the winch device, so that the requirements of directional fixed-point laying of the electric field sensor and the connecting cable thereof are met.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a winch device is put with cable cloth to electric field detection under water which characterized in that includes: the winch comprises a winch supporting plate (1), a fixed pull rod (8), a cable storage winch, a shaft fixing component, a magnetic induction switch (15) and a magnet (10);
the two winch supporting plates (1) are oppositely arranged in parallel and are connected into an integral structure through more than two fixed pull rods (8);
open grooves are processed on the two winch supporting plates (1); the opening of the open slot is vertically downward;
the cable storage winch is arranged between the two winch supporting plates (1), and two shaft ends of the cable storage winch are respectively matched with the open grooves of the two winch supporting plates (1) and respectively extend out of the two winch supporting plates (1);
the two shaft fixing assemblies are respectively arranged on the outer side surfaces of the two winch supporting plates (1), and support two shaft ends of the cable storage winch extending out of the two winch supporting plates (1), so that the cable storage winch is limited in the vertical direction, and the cable storage winch is locked between the two winch supporting plates (1);
an electric field sensor to be distributed is arranged in the cable storage winch, a connecting cable of the electric field sensor is wound on the outer circumferential surface of the cable storage winch, and the connecting cable is discharged through rotation of the cable storage winch;
the magnetic induction switch (15) is fixed on the inner side face of the winch supporting plate (1), the magnet (10) is installed on the outer circumferential face of the cable storage winch, when the magnet rotates to be in contact with the magnetic induction switch (15) along with the cable storage winch, the magnetic induction switch (15) is triggered, the number of rotation turns of the cable storage winch can be calculated by accumulating the number of triggered magnetic induction switches (15), and then the cable laying length of the connecting cable of the electric field sensor can be obtained.
2. The cable laying winch apparatus for underwater electric field detection according to claim 1, wherein the cable storage winch includes: the device comprises a winding drum (14), a winding drum hollow shaft (7), a winding drum side baffle plate (13), a ceramic bearing (16) and a bearing fixing nut (17);
the winding drum (14) is of a hollow cylindrical structure, and a cable outlet communicated with the inner cavity of the winding drum (14) is formed in the side wall of the winding drum;
the hollow shaft (7) of the winding drum is of a hollow cylindrical structure, and an annular step surface is processed on the outer circumferential surface of the hollow shaft;
the two winding drum hollow shafts (7) are coaxially arranged in two ends of a winding drum (14) through ceramic bearings (16), and the inner cavity of the winding drum (14) is communicated with the inner cavities of the two winding drum hollow shafts (7) to form an installation cavity;
the two winding drum side baffles (13) are coaxially fixed at two ends of the winding drum (14) respectively and are sleeved outside the two winding drum hollow shafts (7) respectively, one end face of each winding drum side baffle (13) abuts against an annular step face on each winding drum hollow shaft (7), and the other end face of each winding drum side baffle (13) abuts against an outer ring of the ceramic bearing (16); a bearing fixing nut (17) is fixed at the shaft end of the winding drum hollow shaft (7) positioned in the winding drum (14), the bearing fixing nut (17) is abutted against the inner ring of the ceramic bearing (16), and the bearing fixing nut (17) and the winding drum side baffle (13) axially limit the ceramic bearing (16) and the winding drum hollow shaft (7);
the shaft ends of two drum hollow shafts (7) positioned outside the drum (14) are respectively matched with the open grooves of the two winch supporting plates (1), the drum hollow shafts (7) are limited in the vertical direction through a shaft fixing assembly, and the cable storage winch is locked between the two winch supporting plates (1);
the electric field sensor to be distributed is placed in the inner cavity of the winding drum (14), namely the installation cavity, and a connecting cable of the electric field sensor extends out of a cable outlet of the winding drum (14) and is wound on the winding drum (14);
the magnet (10) is installed on the outer circumferential surface of the drum side baffle (13).
3. The cable laying winch apparatus for underwater electric field detection according to claim 2, wherein the cable storage winch further comprises a sealing cover (6); the shaft end of the hollow shaft (7) of the winding drum, which is positioned outside the winding drum (14), is provided with internal threads, and two sealing covers (6) are respectively installed at the shaft ends of the hollow shaft (7) of the winding drum through threads and seal two ends of the installation cavity;
and a cable outlet on the winding drum (14) is sealed by vulcanized rubber in a sealing way, so that the installation cavity forms a sealed space, and the sealed space is filled with saline.
4. The cable laying winch device for underwater electric field detection according to claim 2, wherein the top of the open slot on the winch support plate (1) is processed into an arch shape, and the bottom of the open slot is a horn-shaped opening;
the cross section of the shaft end of the hollow shaft (7) of the winding drum, which is positioned outside the winding drum (14), is arched, and the shaft end is matched with an open slot on the support plate (1).
5. The winch device for laying a cable for underwater electric field detection according to claim 2, wherein the drum (14), the drum hollow shaft (7), the drum side baffle (13), the ceramic bearing (16) and the bearing fixing nut (17) are made of non-metallic materials.
6. A cable laying winch apparatus for underwater electric field detection as claimed in any one of claims 1 to 5, wherein each of the shaft fixing assemblies comprises: a winding drum release motor (5), a screw rod (4), a stop block nut (3), a guide rail and a screw rod bearing seat (2);
the winding drum releasing motor (5) is fixed on the outer side surface of the winch supporting plate (1);
the screw rod bearing block (2) is fixed on the outer side surface of the winch supporting plate (1), one shaft end of the screw rod (4) is installed on the screw rod bearing block (2) through a bearing, and the other shaft end is connected with an output shaft of a winding drum release motor (5);
the guide rail is fixed on the outer side surface of the winch supporting plate (1), and the length direction of the guide rail is parallel to the axial direction of the screw rod (4); one side of the stop block nut (3) is in sliding fit with the guide rail, and the other side of the stop block nut is in threaded fit with the screw rod (4); when the output shaft of the winding drum releasing motor (5) rotates, the stop block nut (3) can be driven to do linear motion along the axial direction of the screw rod (4).
7. The cable laying winch device for underwater electric field detection according to any one of claims 1 to 5, wherein the winch device further comprises a pressing roller (9) and a pressing roller bracket (11);
two parallel fixed pull rods (8) between the two winch supporting plates (1) are respectively a fixed pull rod A and a fixed pull rod B;
the compression roller supports (11) are of plate-shaped structures bent to form obtuse angles, one ends of the two compression roller supports (11) are respectively in pin joint with the fixed pull rod A, the other ends of the two compression roller supports (11) are respectively connected with the compression roller (9), and the axial direction of the compression roller (9) is parallel to the axial direction of the winding drum (14); one end of each of the two tension springs (12) is connected with the middle of each of the two compression roller supports (11) in a one-to-one correspondence mode, the other end of each of the two tension springs (12) is connected with the corresponding fixed pull rod B, the two tension springs (12) are in a stretching state, and therefore the compression roller (9) is pressed on a connecting cable of the cable storage winch under the pressure effect of the tension springs (12).
8. The cable laying winch device for underwater electric field detection according to claim 6, wherein the drum releasing motor (5) is hermetically installed in a first sealed cabin;
a battery and a control unit are also arranged in the first sealed cabin; the control unit is electrically connected with the magnetic induction switch (15) through a cable, after the magnetic induction switch (15) is triggered, the magnetic induction switch (15) sends detection signals to the control unit, and the control unit can calculate the number of rotation turns of the drum side baffle (13) by accumulating the number of the received detection signals, so that the cable laying length of the connecting cable of the electric field sensor can be estimated; the control unit is also electrically connected with the winding drum releasing motor (5) through a cable and is used for controlling the winding drum releasing motor (5) to work; the battery is respectively connected with the winding drum release motor (5) and the magnetic induction switch (15) through cables and is used for supplying power to the winding drum release motor (5) and the magnetic induction switch (15).
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Cited By (1)
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| CN116081408A (en) * | 2023-03-15 | 2023-05-09 | 威海广泰空港设备股份有限公司 | Logging device of offshore drilling platform |
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