CN111981079B - Damping device for dragging long linear array to be distributed at low speed - Google Patents
Damping device for dragging long linear array to be distributed at low speed Download PDFInfo
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- CN111981079B CN111981079B CN202010908959.0A CN202010908959A CN111981079B CN 111981079 B CN111981079 B CN 111981079B CN 202010908959 A CN202010908959 A CN 202010908959A CN 111981079 B CN111981079 B CN 111981079B
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- umbrella
- fixed
- mounting
- spring
- framework
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B23/00—Equipment for handling lifeboats or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
Abstract
The invention belongs to the technical field of acoustic detection equipment, and particularly relates to a damping device for dragging a long linear array to be distributed at a low speed, which comprises: the umbrella comprises a polygonal umbrella cloth (1), a plurality of umbrella rib supporting rods (2), a plurality of rotating shafts (3), a plurality of telescopic springs (9), an umbrella body (4), a plurality of pressing plates (5) and lifting ring screws (10); the center of the polygonal umbrella cloth (1) is taken as the center of a circle of the conical bottom surface, umbrella rib support rods (2) are arranged on the polygonal umbrella cloth (1) along the radius direction towards each corner of the polygon, one end of each umbrella rib support rod (2) is fixed on the umbrella body (4), and the other end of each umbrella rib support rod is fixed on the polygonal umbrella cloth (1); one end of each telescopic spring (9) is fixed on each umbrella rib supporting rod (2), and the other end is fixed on the umbrella body (4) to form a reversible polygonal umbrella-shaped structure; each pressing plate (5) is correspondingly arranged on each umbrella rib supporting rod (2).
Description
Technical Field
The invention belongs to the technical field of acoustic detection equipment, and particularly relates to a damping device for dragging a long linear array to be distributed at a low speed.
Background
The towed linear array is a main acoustic detection device and is widely applied to the fields of oil exploration, target detection and the like. The target detection performance of the towed linear array is limited as the target radiation noise is reduced. In order to improve the performance of target detection, the gain of the towed linear array is improved and the working frequency band is reduced by increasing the number of array elements (hydrophones) and the spacing of the array elements, thereby improving the target detection capability of the towed linear array. At present, the length of the improved towed linear array is increased from the original 100-200 meters to more than 1000 meters at present, and the improved towed linear array is called as an improved towed linear array, namely a towed long linear array.
In order to improve the target detection capability and reduce the influence of the noise of the ship, the long towed linear array is distributed at a low speed or statically when being actually used. Due to low speed, only ocean current provides flow resistance, the pulling force for dragging the long linear array cannot be increased, the dragged long linear array cannot be straightened, and the target detection capability of the dragged long linear array is influenced. In addition, under some emergency situations, the ship needs to be suddenly switched from a static or low-speed sailing state to a high-speed sailing state, so that the towing long linear array is damaged.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a damping device for towing long linear arrays at low speed, which can increase the pulling force for towing the long linear arrays, particularly switch from a low-speed navigation state to a high-speed navigation state, and protect the towed long linear arrays from being damaged.
The invention provides a damping device for dragging a long linear array to be distributed at a low speed, which comprises: the umbrella comprises a polygonal umbrella cloth, a plurality of umbrella rib supporting rods, a plurality of rotating shafts, a plurality of telescopic springs, an umbrella body, a plurality of pressing plates and lifting ring screws;
a round hole is formed in the middle of the polygonal umbrella cloth, a lifting ring screw is fixed on the end part of one end of the umbrella body, and the other end of the umbrella body penetrates through the round hole;
the center of the polygonal umbrella cloth is taken as the center of a circle of the conical bottom surface, umbrella rib supporting rods are arranged on the polygonal umbrella cloth along the radius direction towards each corner of the polygon, one end of each umbrella rib supporting rod is fixed on the umbrella body through a rotating shaft, and the other end of each umbrella rib supporting rod is fixed on the polygonal umbrella cloth;
one end of each telescopic spring is fixed on each umbrella rib supporting rod through a rotating shaft, and the other end of each telescopic spring is fixed on the umbrella body through a rotating shaft to form a reversible polygonal umbrella-shaped structure;
each pressing plate is correspondingly arranged on each umbrella rib supporting rod, and the polygonal umbrella cloth is clamped between the pressing plates and the umbrella rib supporting rods which are oppositely arranged.
As an improvement of the above technical solution, the umbrella body includes: the device comprises a framework mounting component, a connecting rod, a spring mounting component, an umbrella body buoyancy sleeve and a balance buoyancy block;
the connecting rod is of a cylindrical structure, the top end of the connecting rod is provided with a spring installation component, the bottom end of the connecting rod is provided with a framework installation component, an umbrella buoyancy sleeve is arranged between the spring installation component and the framework installation component, and the umbrella buoyancy sleeve is wrapped on the outer circumferential surface of the connecting rod and fixedly connected with the connecting rod through a bolt;
one end of each umbrella rib supporting rod is fixed on the framework mounting component through a rotating shaft, and the other end of each umbrella rib supporting rod is fixed on the polygonal umbrella cloth;
one end of each telescopic spring is fixed on the spring mounting component through a rotating shaft, and the other end of each telescopic spring is fixed on each corresponding umbrella rib supporting rod through a rotating shaft.
As an improvement of the above technical solution, the skeleton mounting assembly includes: the framework mounting plate comprises a framework mounting plate and a plurality of framework mounting grooves;
a plurality of umbrella rib supporting rods are fixed on the framework mounting disc at equal intervals along the outer circumferential direction; and a plurality of round holes are formed on the framework mounting disc along the circumferential direction near the plurality of framework mounting grooves and are fixedly connected with the balance buoyancy block through screws.
As one of the improvement of the technical scheme, the framework installation groove is of a semi-closed hollow cuboid structure, one end of the cuboid structure is fixed on the outer circumference of the framework installation disc, and the other end of the cuboid structure is provided with an opening.
As an improvement of the above technical solution, the spring mounting assembly includes: the spring mounting plate is arranged on the spring mounting groove;
a plurality of spring mounting grooves are fixed on the spring mounting disc at equal intervals along the outer circumferential direction; and a plurality of round holes are formed in the spring mounting disc along the circumferential direction near the spring mounting grooves, and round holes are formed in the middle of the spring mounting disc and used for fixedly mounting the lifting ring screws.
As one improvement of the technical scheme, the spring mounting groove is of a U-shaped structure, round holes are formed in the two side walls of the spring mounting groove, and a rotating shaft at one end, sleeved with the telescopic spring, penetrates through the round holes formed in the two side walls of the U-shaped structure and is fixed in the spring mounting groove.
As an improvement of the above technical solution, the connecting rod includes: a first semi-cylinder, a second semi-cylinder and a plurality of cross bars; the first semi-cylinder and the second semi-cylinder are oppositely arranged; set up a plurality of square grooves that parallel set up from top to bottom on the first semi-cylindrical inner wall, set up a plurality of square grooves that parallel set up from top to bottom on the second semi-cylindrical inner wall, and every square groove that sets up on the inner wall of first semi-cylindrical inner wall and second semi-cylindrical is relative to be set up to insert the both ends of every horizontal pole respectively in the square groove that corresponds.
As an improvement of the above technical scheme, the umbrella rib supporting rod is a long rod, one end of the umbrella rib supporting rod is provided with a round hole for sleeving the umbrella rib supporting rod on the rotating shaft, and the other end of the umbrella rib supporting rod is of a square column structure;
the umbrella rib bracing piece includes: the framework comprises a framework supporting rod and a plurality of mounting plates; a plurality of mounting panels are fixed on the framework support rod vertically.
As one improvement of the technical scheme, the buoyancy sleeve of the umbrella body comprises: two semi-cylinders; the two semi-cylinders are oppositely buckled on the outer circumference of the connecting rod to form a cylindrical buoyancy sleeve structure, the connecting rod is wrapped in the cylindrical buoyancy sleeve structure, the mounting holes formed in the umbrella body buoyancy sleeve are aligned with the mounting holes in the connecting rod, and the umbrella body buoyancy sleeve is connected with the connecting rod through the bolts.
As one improvement of the technical scheme, the balance buoyancy block is of a convex structure, and the top of the balance buoyancy block is fixed on a framework mounting plate in a framework mounting assembly at the bottom end of the umbrella body through a pressure plate.
Compared with the prior art, the invention has the beneficial effects that:
the damping device is simple in structure and convenient to install, and provides tension for the dragging long linear array during low-speed dragging or static laying by installing the damping device at the tail part of the dragging long linear array, so that the acoustic linear array is in a linear state, and the optimal target detection performance of the dragging long linear array is realized; particularly, in an emergency situation, when the long linear array is dragged at a high speed, the damping device is subjected to fluid resistance greater than the tensile force of the spring, the umbrella body of the damping device is turned over by 90 degrees, so that the flow area of the damping mechanism is reduced, the tensile force of the damping mechanism on the long linear array is reduced, and the long linear array is protected from being damaged.
Drawings
Fig. 1 is a top view of a damping device for dragging a long linear array to be deployed at a low speed according to the invention;
fig. 2 is a side view of a damping device for towing a long linear array at a low speed;
fig. 3 is a schematic structural diagram of a framework mounting assembly of a damping device for dragging a long linear array to be deployed at a low speed according to the invention;
fig. 4 is a schematic structural diagram of a connecting rod of the damping device for dragging the long linear array to be deployed at a low speed according to the invention;
fig. 5 is a schematic structural diagram of a spring mounting assembly of a damping device for dragging a long linear array to be deployed at a low speed according to the invention;
fig. 6 is a schematic structural diagram of an umbrella rib support rod of the damping device for dragging the long linear array to be deployed at a low speed according to the invention;
fig. 7 is a schematic structural diagram of the long towed linear array straightened during low-speed driving by the damping device for low-speed laying of the towed long linear array according to the present invention;
fig. 8 is a schematic structural diagram of the damping device for dragging the long linear array to be deployed at a low speed, which is overturned during high-speed running.
Reference numerals:
1. umbrella cloth 2, rib bracing piece
3. Rotating shaft 4 and umbrella body
5. Pressing plate 6, pressure disk
7. Umbrella buoyancy sleeve 8 and balance buoyancy block
9. Spring 10 and lifting ring screw
11. Framework mounting groove 12 and framework mounting plate
13. Connecting rod 14, spring mounting groove
15. Spring mounting plate 16 and framework support rod
17. Mounting plate 18, cable
19. Dragging long linear array 20 and damping device
21. Framework mounting assembly 22 and spring mounting assembly
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a damping device 20 for dragging a long linear array to be deployed at a low speed, the damping device is in an umbrella-shaped structure, the damping device is tied on a tail rope of the dragging long linear array 19, when the dragging long linear array 19 is deployed at a low speed or at a standstill, the damping device 20 provides a pulling force to straighten the dragging long linear array 19, so as to achieve an optimal target detection capability of the dragging long linear array 19. When the towing long linear array 19 is towed at a high speed, the damping device 20 is turned over to reduce the area of the incident flow, reduce the pulling force on the towing long linear array and protect the towing long linear array 19.
The invention provides a damping device for dragging a long linear array to be distributed at a low speed, which comprises: the umbrella comprises a polygonal umbrella cloth 1, a plurality of umbrella rib supporting rods 2, a plurality of rotating shafts 3, a plurality of telescopic springs 9, an umbrella body 4, a plurality of pressing plates 5 and lifting ring screws 10;
a round hole is formed in the middle of the polygonal umbrella cloth 1, a lifting ring screw 10 is fixed on the end part of one end of the umbrella body 4, the other end of the umbrella body penetrates through the round hole, and the distance from one end fixed with the lifting ring screw 10 to the polygonal umbrella cloth is larger than the distance from the other end penetrating through the round hole to the polygonal umbrella cloth;
the center of the polygonal umbrella cloth 1 is taken as the center of a circle of a conical bottom surface, umbrella rib support rods 2 are arranged on the polygonal umbrella cloth 1 along the radius direction towards each corner of the polygon, one end of each umbrella rib support rod 2 is fixed on an umbrella body 4 through a rotating shaft 3, and the other end of each umbrella rib support rod is fixed on each corner of the polygonal umbrella cloth 1; one end of each telescopic spring 9 is fixed on each umbrella rib supporting rod 2 through a rotating shaft 3, and the other end is fixed on the umbrella body 4 through the rotating shaft 3 to form a reversible polygonal umbrella-shaped structure;
every clamp plate 5 sets up on every rib bracing piece 2 correspondingly, and presss from both sides polygon umbrella cloth 1 between relative clamp plate 5 that sets up and rib bracing piece 2, under the effect of a plurality of scalable springs 9, realizes the reverse upset.
The umbrella body 4 includes: the umbrella comprises a framework mounting component 21, a connecting rod 13, a spring mounting component 22, an umbrella body buoyancy sleeve 7 and a balance buoyancy block 8;
a spring installation component 22 is installed at the top end of the connecting rod 13, a framework installation component 21 is installed at the bottom end of the connecting rod, an umbrella buoyancy sleeve 7 is arranged between the spring installation component 22 and the framework installation component 21, and the umbrella buoyancy sleeve 7 is wrapped on the outer circumferential surface of the connecting rod 13 and fixedly connected with the connecting rod through a bolt;
one end of each umbrella rib support rod 2 is fixed on the framework mounting component 21 through the rotating shaft 3, the other end of each umbrella rib support rod is fixed on the polygonal umbrella cloth 1, and specifically, the other end of each umbrella rib support rod is fixed on each corner of the polygonal umbrella cloth 1;
one end of each retractable spring 9 is fixed to the spring mounting assembly 22 through the rotation shaft 3, and the other end thereof is fixed to each corresponding rib support rod 2 through the rotation shaft 3.
As shown in fig. 3, the framework mounting assembly 21 includes: a framework mounting plate 12 and a plurality of framework mounting grooves 11;
a plurality of umbrella rib supporting rods 2 are correspondingly fixed on the framework mounting plate 12 along the outer circumference direction according to the number of the umbrella rib supporting rods 2; near the plurality of framework mounting grooves 11, a plurality of round holes are arranged on the framework mounting disc 12 along the circumferential direction for being fixedly connected with the balance buoyancy block 8 through screws.
The skeleton mounting groove 11 is a semi-closed hollow cuboid structure, one end of the cuboid structure is fixed on the outer circumference of the skeleton mounting disc 12, and the other end of the cuboid structure is provided with an opening for inserting one end of the umbrella rib support rod 2 into the opening to fix the umbrella rib support rod 2.
As shown in fig. 5, the spring mounting assembly 22 includes: a spring mounting plate 15 and a plurality of spring mounting slots 14;
a plurality of spring mounting grooves 14 are correspondingly fixed on the spring mounting plate 15 at equal intervals along the outer circumferential direction according to the number of the telescopic springs 9; near the spring mounting grooves 14, a plurality of round holes are formed in the spring mounting plate 15 along the circumferential direction, and a round hole is formed in the middle of the spring mounting plate 15 and used for fixedly mounting a lifting bolt.
The spring mounting groove 14 is of a U-shaped structure, round holes are formed in two side walls of the spring mounting groove, and the rotating shaft 3 sleeved with one end of the telescopic spring penetrates through the round holes formed in the two side walls of the U-shaped structure and is fixed in the spring mounting groove 14.
As shown in fig. 6, the umbrella rib support rod 2 is a long rod, and one end of the rod is provided with a round hole for being sleeved on the rotating shaft 3, and the other end of the rod is a square column structure for being inserted into the frame mounting groove 11 to fix the umbrella rib support rod 2. The umbrella rib support rod 2 includes: a skeletal support bar 16 and a plurality of mounting plates 17; a plurality of mounting plates 17 are vertically fixed on the framework support rod 16 and used for fixing the telescopic spring 9; in the embodiment, the umbrella frame support rods 2 are formed by processing and welding titanium alloy materials, and the number of the umbrella frame support rods is 6.
The polygonal umbrella cloth 1 is made of polyurethane materials. In this embodiment, the polygonal umbrella cloth 1 is a regular hexagonal umbrella cloth.
As shown in fig. 4, the connecting rod 13 is a cylindrical structure, and in other specific embodiments, the connecting rod 13 includes: a first semi-cylinder, a second semi-cylinder and a plurality of cross bars; the first semi-cylinder and the second semi-cylinder are oppositely arranged; set up a plurality of square grooves that parallel set up from top to bottom on the first semi-cylindrical inner wall, set up a plurality of square grooves that parallel set up from top to bottom on the second semi-cylindrical inner wall, and every square groove that sets up on the inner wall of first semi-cylindrical inner wall and second semi-cylindrical sets up relatively to insert the both ends of every horizontal pole respectively in the square groove that corresponds, thereby be in the same place first semi-cylindrical and the fixed grafting of second semi-cylindrical.
Wherein, the umbrella body is formed by processing titanium alloy materials through the spring mounting disc 15, the connecting rod 13 and the framework mounting disc 12 which are processed by titanium alloy, and the three are mutually fixed through a welding mode, in the embodiment, the spring mounting disc 15 is welded with the spring mounting assemblies 22 uniformly distributed on 6 circumferences, and the framework mounting assemblies 21 uniformly distributed on 6 circumferences are welded on the framework mounting disc 12.
The rotating shaft 3 is made of titanium alloy material, in this embodiment, the rotating shaft 3 is respectively installed on a spring installation component 14 fixed on a spring installation disk 15 of the umbrella body, a framework installation component 12 fixed on a framework installation disk 11, and an installation plate 17 vertically fixed on the umbrella framework supporting rod, and the number of the rotating shaft is totally 18.
The pressing plate 5 is made of titanium alloy materials, is matched with the umbrella rib supporting rods 2 for use, and is used for fixing the polygonal umbrella cloth 1.
The pressure plate 6 is made of titanium alloy materials, is matched with the umbrella body 4 for use, and is used for fixing the polygonal umbrella cloth 1 and the balance buoyancy block 8.
The umbrella body buoyancy sleeve 7 is made of pressure-resistant buoyancy material with the density of 300kg/m3, and the umbrella body buoyancy sleeve 7 comprises: two semi-cylinders; buckling two semi-cylinders on the outer circumference of a connecting rod 13 oppositely to form a cylindrical buoyancy sleeve structure, wrapping the connecting rod 13 in the cylindrical buoyancy sleeve structure, aligning a mounting hole formed in the umbrella buoyancy sleeve 7 with a mounting hole formed in the connecting rod 13, and fixedly connecting the umbrella buoyancy sleeve 7 with the connecting rod 13 through a bolt; the damping device plays a role in reducing the weight of the damping device in water.
The balance buoyancy block 8 is made of a pressure-resistant buoyancy material with the density of 300kg/m3, the balance buoyancy block 8 is of a convex structure, the top of the balance buoyancy block is fixed on the framework mounting disc 12 in the framework mounting assembly 21 at the bottom end of the umbrella body 4 through the pressure plate 6, the weight of the damping device in water is reduced, the floating center of the damping device is located at the center of the umbrella cloth, and the balance state of the damping device during dragging is guaranteed.
The lifting ring screw 10 is made of stainless steel materials and is arranged on a spring mounting plate 15 in a spring mounting assembly 22 at the top end of the umbrella body 1.
The installation process of the damping device of the invention is as follows:
1. installing an umbrella buoyancy sleeve 7: the two semicircular cylinders are buckled on a connecting rod 13 of the umbrella body 4 to form a cylindrical buoyancy sleeve structure, and a mounting hole formed in the buoyancy sleeve 7 of the umbrella body is aligned with a mounting hole in the connecting rod 13 and is connected with the mounting hole through a bolt;
2. mounting the umbrella rib support rod 2: one end of an umbrella rib supporting rod 2 is inserted into a framework mounting groove 11 and aligned with a mounting hole formed in the end part and a mounting hole formed in the framework mounting groove 11, and a rotating shaft 3 penetrates through the mounting hole and is screwed down by a nut; repeating the above process for 5 times, and installing the remaining 5 umbrella rib support rods 2;
3. installing regular hexagonal umbrella cloth: unfolding the six umbrella rib supporting rods 2, fixing the other ends of the umbrella rib supporting rods 2 at each corner of the regular hexagonal umbrella cloth 1, aligning a threaded hole formed in a framework supporting rod 16 in each umbrella rib supporting rod 2 with a mounting hole formed in the regular hexagonal umbrella cloth, aligning the threaded holes formed in the corresponding pressing plates 5, screwing the threaded holes by using screws, repeating the process for 5 times, and fixedly mounting the remaining 5 umbrella rib supporting rods 2 and the remaining 5 pressing plates 5 on the regular hexagonal umbrella cloth;
4. installing a telescopic spring: a draw hook arranged at one end of the telescopic spring 9 is placed in the spring mounting groove 15, aligns with a mounting hole formed in the draw hook and the spring mounting groove 15, passes through the rotating shaft 3 and is screwed by a nut; a draw hook arranged at the other end of the spring is inserted into a mounting plate 17 vertically fixed on the framework support rod 16, and is aligned with a mounting hole formed in the draw hook and the mounting plate 17, so that the rotating shaft 3 passes through the draw hook and is screwed down by a nut; repeating the above process for 5 times, and sequentially mounting the remaining 5 retractable springs 9;
5. installing a balance buoyancy block: aligning a mounting hole formed in the pressure plate 6 with a threaded hole formed in the framework mounting plate 12, aligning a mounting hole formed in the top end of the balance buoyancy block with a mounting hole formed in the pressure plate 5 and a threaded hole formed in the framework mounting plate 12, and screwing the mounting holes with screws;
6. installing the lifting bolt 10: screwing the lifting eye screw 10 on the spring mounting plate 15;
7. and finishing the installation.
The invention has been tested on the lake and the sea, as shown in fig. 7, in the test on the lake, the tail rope of the towing long linear array 19 passes through the middle of the lifting ring screw 10 arranged on the top of the damping device 20 and is fastened, the damping device 20 has zero buoyancy in the weight of water; dragging long linear array 19 and being connected with the one end of cable 18, the other end of cable 18 passes through the pulley and is connected with the tensiometer of fixing on the yacht, when the yacht traveles at low speed, damping device 20 is opened, at this moment, as shown in figure 7, rib bracing piece 2 and regular hexagon umbrella cloth 1 of damping device 20 all open, play the effect of increasing damping force, drag long linear array 19 and straighten, drag damping device 20 with the yacht and measure the pulling force with the tensiometer, along with the increase of speed of a ship, the pulling force grow gradually, after the speed of a ship reaches predetermined threshold value, the yacht sets up high-speed and traveles, as shown in figure 8, rib bracing piece 2 and regular hexagon umbrella cloth 1 of damping device 20 overturn 90 degrees, rib bracing piece 2 and regular hexagon umbrella cloth 1 of damping device 20 all face the right side, and overturn 90 degrees, the pulling force diminishes gradually. (lake test using simulation of long towed array, i.e. reduced ratio of long towed array)
Tests show that the damping device 20 can meet the requirements of towing the long linear array in an emergency state. During the marine test, the ship sails at a low speed in the oncoming flow, and the damping device 20 is tied on the tail rope of the towing long linear array and is used for laying the towing long linear array 19. And stopping the ship after the laying is finished, and detecting the target when the noise of the ship is minimum. The method is characterized in that the long towed linear array is in a linear state through measurement of a depth sensor and an attitude sensor in the long towed linear array. Tests show that the damping device can straighten the towed long linear array to realize the best detection performance of the towed long linear array.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A damping device for dragging a long linear array to be deployed at a low speed is characterized by comprising: the umbrella comprises a polygonal umbrella cloth (1), a plurality of umbrella rib supporting rods (2), a plurality of rotating shafts (3), a plurality of telescopic springs (9), an umbrella body (4), a plurality of pressing plates (5) and lifting ring screws (10);
wherein, the middle part of the polygonal umbrella cloth (1) is provided with a round hole, the end part of one end of the umbrella body (4) is fixed with a lifting bolt (10), and the other end of the umbrella body passes through the round hole;
the center of the polygonal umbrella cloth (1) is taken as the center of a circle of the conical bottom surface, umbrella rib support rods (2) are arranged on the polygonal umbrella cloth (1) along the radius direction towards each corner of the polygon, one end of each umbrella rib support rod (2) is fixed on an umbrella body (4) through a rotating shaft (3), and the other end of each umbrella rib support rod is fixed on the polygonal umbrella cloth (1);
one end of each telescopic spring (9) is fixed on each umbrella rib supporting rod (2) through a rotating shaft (3), and the other end is fixed on the umbrella body (4) through the rotating shaft (3) to form a reversible polygonal umbrella-shaped structure;
each pressing plate (5) is correspondingly arranged on each umbrella rib supporting rod (2), and the polygonal umbrella cloth (1) is clamped between the pressing plates (5) and the umbrella rib supporting rods (2) which are oppositely arranged.
2. Damping device for the slow deployment of towed linear arrays according to claim 1, characterized in that said umbrella body (4) comprises: the umbrella comprises a framework mounting component (21), a connecting rod (13), a spring mounting component (22), an umbrella body buoyancy sleeve (7) and a balance buoyancy block (8);
the connecting rod (13) is of a cylindrical structure, a spring mounting component (22) is mounted at the top end of the connecting rod (13), a framework mounting component (21) is mounted at the bottom end of the connecting rod, an umbrella buoyancy sleeve (7) is arranged between the spring mounting component (22) and the framework mounting component (21), and the umbrella buoyancy sleeve (7) wraps the outer circumferential surface of the connecting rod (13) and is fixedly connected with the connecting rod (13) through a bolt;
one end of each umbrella rib supporting rod (2) is fixed on the framework mounting component (21) through the rotating shaft (3), and the other end of each umbrella rib supporting rod is fixed on the polygonal umbrella cloth (1);
one end of each telescopic spring (9) is fixed on the spring mounting component (22) through the rotating shaft (3), and the other end of each telescopic spring is fixed on each corresponding umbrella rib supporting rod (2) through the rotating shaft (3).
3. The damping device for towed long linear array low-speed deployment according to claim 2, characterized in that said skeletal mounting assembly (21) comprises: a framework mounting disc (12) and a plurality of framework mounting grooves (11);
a plurality of umbrella rib supporting rods (2) are fixed on the framework mounting disc (12) at equal intervals along the outer circumference direction; and a plurality of round holes are arranged on the framework mounting disc (12) along the circumferential direction near the plurality of framework mounting grooves (11) and are fixedly connected with the balance buoyancy block (8) through screws.
4. The damping device for the towed long linear array low-speed deployment as claimed in claim 3, wherein the framework mounting groove (11) is a semi-closed hollow rectangular parallelepiped structure, one end of the rectangular parallelepiped structure is fixed on the outer circumference of the framework mounting disc (12), and the other end of the rectangular parallelepiped structure is provided with an opening.
5. The damping device for towed long linear array low-speed deployment of claim 2, wherein said spring mount assembly (22) comprises: a spring mounting plate (15) and a plurality of spring mounting slots (14);
a plurality of spring mounting grooves (14) are fixed on the spring mounting disc (15) at equal intervals along the outer circumferential direction; and a plurality of round holes are formed in the spring mounting disc (15) along the circumferential direction near the plurality of spring mounting grooves (14), and the round holes are formed in the middle of the spring mounting disc (15) and used for fixedly mounting the lifting bolt (10).
6. The damping device for dragging the long linear array to be deployed at a low speed according to claim 5, wherein the spring installation groove (14) is of a U-shaped structure, round holes are formed in two side walls of the spring installation groove, and the rotating shaft (3) sleeved with one end of the retractable spring penetrates through the round holes formed in the two side walls of the U-shaped structure and is fixed in the spring installation groove (14).
7. Damping device for the slow deployment of towed long linear arrays according to claim 2, characterized in that said connecting rods (13) comprise: a first semi-cylinder, a second semi-cylinder and a plurality of cross bars; the first semi-cylinder and the second semi-cylinder are oppositely arranged; set up a plurality of square grooves that parallel set up from top to bottom on the first semi-cylindrical inner wall, set up a plurality of square grooves that parallel set up from top to bottom on the second semi-cylindrical inner wall, and every square groove that sets up on the inner wall of first semi-cylindrical inner wall and second semi-cylindrical is relative to be set up to insert the both ends of every horizontal pole respectively in the square groove that corresponds.
8. The damping device for dragging the long linear array to be deployed at a low speed according to claim 1, wherein the umbrella rib support rod (2) is a long rod, one end of the umbrella rib support rod is provided with a round hole for sleeving the umbrella rib support rod on the rotating shaft (3), and the other end of the umbrella rib support rod is of a square column structure;
the umbrella frame support rod (2) comprises: a framework support bar (16) and a plurality of mounting plates (17); a plurality of mounting plates (17) are vertically fixed on the framework support rod (16).
9. The damping device for towed long linear array low-speed deployment according to claim 2, characterized in that said umbrella buoyancy sleeve (7) comprises: two semi-cylinders; the two semi-cylinders are oppositely buckled on the outer circumference of the connecting rod (13) to form a cylindrical buoyancy sleeve structure, the connecting rod (13) is wrapped in the cylindrical buoyancy sleeve structure, the mounting hole formed in the umbrella body buoyancy sleeve (7) is aligned with the mounting hole formed in the connecting rod (13), and the umbrella body buoyancy sleeve (7) is fixedly connected with the connecting rod (13) through a bolt.
10. The damping device for the towed long linear array low-speed deployment of claim 2, wherein the balanced buoyancy block (8) is of a convex structure, and the top of the balanced buoyancy block is fixed on a framework mounting plate (12) in a framework mounting assembly (21) on the bottom end of the umbrella body (4) through a pressure plate (6).
Priority Applications (1)
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US927341A (en) * | 1907-12-13 | 1909-07-06 | Salomon Ettinger | Umbrella adapted for use as a boat. |
| CN2908348Y (en) * | 2006-02-08 | 2007-06-06 | 张亚平 | Water ski sledge |
| CN104047994A (en) * | 2013-03-13 | 2014-09-17 | 中国科学院声学研究所 | Counterweight device for towing-type linear array and towing-type linear array |
| CN109959914A (en) * | 2017-12-26 | 2019-07-02 | 中国船舶重工集团公司七五〇试验场 | One kind can folding and unfolding float type acoustics basic matrix structure |
| CN109991669A (en) * | 2019-04-11 | 2019-07-09 | 河海大学 | A kind of underwater magnetic method detection system of unmanned boat towing |
| CN110239675A (en) * | 2019-05-13 | 2019-09-17 | 自然资源部第一海洋研究所 | A kind of scientific surveying ship of achievable low speed, constant speed towing operation |
| CN210054907U (en) * | 2019-06-21 | 2020-02-14 | 漳州市婧阳实业有限公司 | Umbrella with rib and umbrella face locking connection structure |
| CN110949642A (en) * | 2019-12-25 | 2020-04-03 | 中国船舶重工集团有限公司第七一0研究所 | Underwater oil-filled towing cable towing adjusting device |
-
2020
- 2020-09-02 CN CN202010908959.0A patent/CN111981079B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US927341A (en) * | 1907-12-13 | 1909-07-06 | Salomon Ettinger | Umbrella adapted for use as a boat. |
| CN2908348Y (en) * | 2006-02-08 | 2007-06-06 | 张亚平 | Water ski sledge |
| CN104047994A (en) * | 2013-03-13 | 2014-09-17 | 中国科学院声学研究所 | Counterweight device for towing-type linear array and towing-type linear array |
| CN109959914A (en) * | 2017-12-26 | 2019-07-02 | 中国船舶重工集团公司七五〇试验场 | One kind can folding and unfolding float type acoustics basic matrix structure |
| CN109991669A (en) * | 2019-04-11 | 2019-07-09 | 河海大学 | A kind of underwater magnetic method detection system of unmanned boat towing |
| CN110239675A (en) * | 2019-05-13 | 2019-09-17 | 自然资源部第一海洋研究所 | A kind of scientific surveying ship of achievable low speed, constant speed towing operation |
| CN210054907U (en) * | 2019-06-21 | 2020-02-14 | 漳州市婧阳实业有限公司 | Umbrella with rib and umbrella face locking connection structure |
| CN110949642A (en) * | 2019-12-25 | 2020-04-03 | 中国船舶重工集团有限公司第七一0研究所 | Underwater oil-filled towing cable towing adjusting device |
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| CN111981079A (en) | 2020-11-24 |
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