Split type pull-type ocean sonar device convenient to fold and unfold quickly

Abstract

A split type towed ocean sonar device convenient to fold and unfold quickly comprises a towed cable (2) and a fixed base (5), and is characterized in that a fixed supporting frame (19) is vertically fixed to the rear portion of a hull deck (1), and a door-shaped overturning frame (21) is installed at the end, close to the tail of the hull deck (1), of the fixed supporting frame (19) through an overturning hinge shaft (20); a door-shaped overturning frame (21) is arranged on the base (2), a connecting fixing seat (23) is hinged to the door-shaped overturning frame (21), a center connecting cylinder (24) is installed at the lower end of the connecting fixing seat (23), a towed body winch (25) is coaxially installed on the outer circumference of the center connecting cylinder (24), and a towed body containing cabin (26) is installed at the position, located on the lower portion of the towed body winch (25), of the bottom end of the center connecting cylinder (24). A structural form that the sonar towed array and the towed sound source are separately arranged is adopted, cables of the towed sound source and the towed sonar are fundamentally prevented from being wound together, the automation degree is high, and the response speed is high.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of marine sonar devices, especially to a kind of split type towed marine sonar device facilitating quick winding and unwinding, belong to marine equipment technical field. BACKGROUND

[0002] Towed sonar is a very important marine equipment, is widely used in marine scientific research, underwater topographic survey, military antisubmarine and many other fields.Towed sonar mainly has integrated towed sonar and split type towed sonar, split type marine sonar towed device occupies a key position in modern marine detection operation, it separates sonar detection equipment from towed carrier, realizes signal transmission and power supply by cable connection, greatly improves the flexibility and adaptability of equipment.However, there is a significant technical problem in the current split type marine sonar towed device, i.e.when it is in bad environment such as heavy rain, large wave and strong current, or the ship needs to turn sharply, etc., the cable is easy to wind together.

[0003] Cable winding problem will bring a series of serious negative effects, on the one hand, winding will cause uneven force on the cable, some areas bear excessive tension, accelerate the wear of the cable, reduce its service life, and even may cause cable breakage, cause the sonar equipment and towed carrier to lose connection, lead to the interruption of the whole detection operation, cause huge economic loss.On the other hand, once the cable is wound, the difficulty of recovering the towed device will increase dramatically.Workers need to spend a lot of time and effort to manually untangle the wound cable, not only consumes manpower, but also may cause secondary damage to the cable and equipment due to improper untangling operation.In addition, the wound cable will also interfere with the transmission of sonar signals, cause unstable data transmission, signal attenuation or distortion, seriously affect the accuracy and reliability of sonar detection, make the obtained detection information deviate.There is still a lack of a device with reasonable structure, high automation degree, fast response speed, which can effectively avoid cable winding to solve the above technical problems. SUMMARY

[0004] The purpose of the present application is to solve the defects and shortcomings that the existing split type towed sonar cable is easy to cross and wind, affects the recovery efficiency, and easily causes equipment damage, and provide a kind of split type towed marine sonar device facilitating quick winding and unwinding, which has reasonable structure, high automation degree, fast response speed and can effectively avoid cable crossing and winding.

[0005] In order to achieve the above object, the technical solution of the present application is: a split type towed ocean sonar device convenient for quick winding and unwinding, comprising a towed cable, a towed body and a towed array, one end of the towed cable is connected with the towed body, a fixed base is installed at the rear of a ship deck, an elastic damper is installed between the bottom of the fixed base and the ship deck, a reel outer frame is fixed on the fixed base, a rotary seat is installed inside the reel outer frame, a winch reel coaxially arranged with the reel outer frame is installed on the rotary seat, a fixed support frame is vertically fixed at the rear of the ship deck, a door type turnover frame is installed at one end of the fixed support frame close to the tail of the ship deck through a turnover hinge shaft, a turnover mechanism is installed between the door type turnover frame and the ship deck or a deck mounting seat, a connecting fixed seat is hingedly arranged on the door type turnover frame, a central connecting cylinder is installed at the lower end of the connecting fixed seat, a towed body winch is coaxially installed on the outer circumference of the central connecting cylinder, a towed body containing cabin is installed at the bottom end of the central connecting cylinder and below the towed body winch, and a pulley assembly is installed on the connecting fixed seat.

[0006] Further, the towed body comprises a towed body outer shell, an adjusting air bag, an air pump and a controller, the adjusting air bag is arranged in the towed body outer shell, the air nozzle of the adjusting air bag is communicated with the air pump, and the air pump is connected with the controller.

[0007] Further, the reel outer frame is internally installed with an outer extension slide rail capable of extending to the outside of the outer end opening, the outer extension slide rail is installed with a sliding seat, the sliding seat is installed with a pulley mounting rack, and the pulley mounting rack is installed with a pulley.

[0008] Further, the elastic damper comprises a spring and a rubber support, a plurality of springs are annularly distributed at the bottom of the fixed base, the inner ring of the spring is complexly arranged with the rubber support, the elasticity of the rubber support is greater than that of the spring, and a rotary seat driving mechanism is installed between the fixed base and the rotary seat.

[0009] Further, the turnover mechanism comprises an upper hinge shaft, an upper connecting rod, a middle hinge shaft, a lower connecting rod, a lower hinge shaft, a connecting shaft and a turnover driver, the upper end of the fixed support frame is connected with one end of the upper connecting rod through the upper hinge shaft, the other end of the upper connecting rod is connected with one end of the lower connecting rod through the middle hinge shaft, the other end of the lower connecting rod is hingedly connected with the middle part of the door type turnover frame through the lower hinge shaft, the middle hinge shaft is hingedly connected with the extension end of the turnover driver, and the fixed end of the turnover driver is installed on the fixed support frame through the connecting shaft.

[0010] Further, the upper part of the door type turnover frame is fixedly provided with a horizontal mounting shaft, and the horizontal mounting shaft is installed with the connecting fixed seat.

[0011] Further, the pulley assembly comprises an upper pulley and a lower pulley, the upper pulley is installed at the upper part of the connecting fixed seat, and the lower pulley is installed at the lower part of the connecting fixed seat or the outer frame of the towed body winch.

[0012] Further, the outer side of the tow body winch is vertically provided with a sliding rail, a sliding seat is installed on the sliding rail, a lower pulley is installed on the sliding seat, and a reciprocating moving device and a lifting device are installed between the sliding rail and the sliding seat.

[0013] Further, the turnover driver is a hydraulic cylinder and a connecting piece.

[0014] Further, the tow cable is sequentially connected and fixed with the winch on the tow body winch after passing through the upper pulley and the lower pulley.

[0015] The beneficial effects of the present application are:

[0016] 1. The present application adopts the structure form that the towed array and the towed sound source are separately arranged, is retracted and released by two sets of independent retracting and releasing systems, and adopts the suspension type tow body retracting and releasing structure, so that the cables of the towed sound source and the towed array are fundamentally avoided from being wound together by actively pulling apart the horizontal distance and controlling the sinking height of the tow body.

[0017] 2. The present application is provided with an elastic damper at the bottom of the towed array retracting and releasing device, can achieve good elastic shock isolation effect, has a certain damping effect on the current impact force suffered by the towed array, can reduce noise to a certain extent, and improves the detection precision of the sonar.

[0018] 3. The present application is provided with an adjustable air bag structure for rapidly adjusting the depth in the tow body, when the tow body needs to be rapidly recovered and the cable winding is avoided, the tow body can be rapidly controlled to sink, the tow body after sinking is rapidly pulled apart from the towed array in the water depth direction, and the tow cable is rapidly recovered, so that the effect of preventing the cable winding is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of one side of the present application.

[0020] Figure 2 is a state view of the present application when the tow body is retracted and released.

[0021] Figure 3 is a structural schematic view of one side of the towed array retracting and releasing device of the present application.

[0022] Figure 4 is a structural schematic view of the towed array retracting and releasing device of the present application.

[0023] Figure 5 is a side view of the towed sound source retracting and releasing device of the present application.

[0024] Figure 6 is a structural schematic view of the sliding mechanism of the present application.

[0025] Figure 7 is a structural schematic diagram of the body of the invention.

[0026] Figure 8 is a partial enlarged view of the body winch of the invention.

[0027] Figure 9 is a structural schematic diagram of the body winch of the invention.

[0028] Figure 10 is a top view of the invention when the body winch is not installed.

[0029] Figure 11 is a structural schematic diagram of the body of the invention.

[0030] In the figure: hull deck 1, towline 2, body 3, tow array 4, fixed base 5, reel outer frame 6, swivel seat 7, elastic damper 8, winch reel 9, swivel seat drive mechanism 10, outer extension slide rail 11, sliding seat 12, pulley 13, pulley mounting bracket 14, body outer shell 15, adjusting air bag 16, air pump 17, controller 18, fixed support bracket 19, flip hinge shaft 20, door-shaped flip bracket 21, horizontal mounting shaft 22, connecting fixed seat 23, central connecting cylinder 24, body winch 25, body storage cabin 26, upper hinge shaft 27, upper connecting rod 28, middle hinge shaft 29, lower connecting rod 30, lower hinge shaft 31, connecting shaft 32, flip drive 33, upper pulley 34, lower pulley 35, slide rail 36, sliding seat 37. DETAILED DESCRIPTION

[0031] The invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Reference Figures 1 to 11 , the invention is a split type towed ocean acoustic device that is convenient to quickly wind and unwind, comprising a towline 2, a body 3, and a tow array 4, one end of the towline 2 is connected to the body 3, a fixed base 5 is installed at the rear of the hull deck 1, characterized in that: an elastic damper 8 is installed between the bottom of the fixed base 5 and the hull deck 1, a reel outer frame 6 is fixed on the fixed base 5, a swivel seat 7 is installed inside the reel outer frame 6, a fixed support bracket 19 is vertically fixed at the rear of the hull deck 1, a door-shaped flip bracket 21 is installed on the fixed support bracket 19 through a flip hinge shaft 20 at one end close to the tail of the hull deck 1, a flip mechanism is installed between the door-shaped flip bracket 21 and the hull deck 1 or deck mounting seat 19, a connecting fixed seat 23 is hingedly arranged on the door-shaped flip bracket 21, a central connecting cylinder 24 is installed at the lower end of the connecting fixed seat 23, a body winch 25 is coaxially installed on the outer circumference of the central connecting cylinder 24, a body storage cabin 26 is installed at the bottom end of the central connecting cylinder 24 and below the body winch 25, and a pulley assembly is installed on the connecting fixed seat 23.

[0033] The tow body 3 comprises a tow body outer shell 15, an adjusting air bag 16, an air pump 17 and a controller 18, the adjusting air bag 16 is arranged in the tow body outer shell 15, the air nozzle of the adjusting air bag 16 is communicated with the air pump 17, and the air pump 17 is connected with the controller 18.

[0034] The outer extension slide rail 11 capable of extending to the outside of the outer end opening is mounted in the outer frame 6 of the winding drum, the sliding seat 12 is mounted on the outer extension slide rail 11, the pulley mounting bracket 14 is mounted on the sliding seat 12, and the pulley 13 is mounted on the pulley mounting bracket 14.

[0035] The elastic damper 8 comprises springs and rubber supports, the bottom of the fixed base 5 is annularly distributed with a plurality of springs, the inner ring of the spring is complexly provided with a rubber support, and the elasticity of the rubber support is greater than that of the spring, and the rotary seat driving mechanism 10 is mounted between the fixed base 5 and the rotary seat 7.

[0036] The turnover mechanism comprises an upper hinge shaft 27, an upper connecting rod 28, a middle hinge shaft 29, a lower connecting rod 30, a lower hinge shaft 31, a connecting shaft 32 and a turnover driver 33, the upper end of the fixed support frame 19 is connected with one end of the upper connecting rod 28 through the upper hinge shaft 27, the other end of the upper connecting rod 28 is connected with one end of the lower connecting rod 30 through the middle hinge shaft 29, the other end of the lower connecting rod 30 is hingedly connected with the middle part of the door-shaped turnover frame 21 through the lower hinge shaft 31, the middle hinge shaft 29 is hingedly connected with the telescopic end of the turnover driver 33, and the fixed end of the turnover driver 33 is mounted on the fixed support frame 19 through the connecting shaft 32.

[0037] The upper horizontal section of the door-shaped turnover frame 21 is fixedly provided with a horizontal mounting shaft 22, and the connecting fixed seat 23 is mounted on the horizontal mounting shaft 22.

[0038] The pulley assembly comprises an upper pulley 34 and a lower pulley 35, the upper pulley 34 is mounted on the upper part of the connecting fixed seat 23, and the lower pulley 35 is mounted on the lower part of the connecting fixed seat 23 or the outer frame of the tow body winch 25.

[0039] The outer side of the tow body winch 25 is vertically provided with a slide rail 36, the slide rail 36 is mounted with a sliding seat 37, the sliding seat 37 is mounted with the lower pulley 35, and the slide rail 36 and the sliding seat 37 are mounted with reciprocating moving devices and lifting devices.

[0040] The turnover driver 33 is a hydraulic cylinder and a connecting piece.

[0041] The tow cable 2 is connected and fixed with the winding drum on the tow body winch 25 after sequentially passing through the upper pulley 34 and the lower pulley 35.

[0042] Referring to Figures 1 to 11The application adopts the structure form that the towed array of the sonar is arranged separately from the towed sound source, is retracted and released by two sets of independent retracting and releasing systems, and fundamentally avoids the technical problem that the cables of the towed sound source and the towed sonar are wound together by means of actively pulling the lateral spacing and controlling the sinking height of the tow body.In addition, the elastic damper is installed at the bottom of the winch device to reduce the vibration of the winch device itself and the impact force of the ocean current on the towed sonar, which can reduce noise to a certain extent and improve the detection accuracy of the sonar.The specific structure and principle are as follows:

[0043] The rear side of the hull deck 1 is provided with a towed sonar retracting and releasing device, and the other rear side of the hull deck 1 is provided with a towed sound source retracting and releasing device.The towed sonar retracting and releasing device and the towed sound source retracting and releasing device operate independently.The towed sonar retracting and releasing device adopts a horizontal winch structure, the outer ring of the fixed base 5 is fixed with a drum outer frame 6, the axis of the drum outer frame 6 is perpendicular to the upper surface of the fixed base 5, the inside of the fixed base 5 and located inside the drum outer frame 6 is provided with a rotary seat 7, the rotary seat 7 is provided with a winch drum 9 coaxially arranged with the drum outer frame 6, the winch drum 9 can rotate synchronously with the rotary seat 7, and the towed array 4 can be wound on the winch drum 9.A rotary seat driving mechanism 10 is installed between the fixed base 5 and the rotary seat 7, and the rotary seat driving mechanism 10 adopts a reduction motor or a hydraulic motor.

[0044] The drum outer frame 6 is provided with an outer extension slide rail 11 which can extend outside the outer end opening, the outer extension slide rail 11 is provided with a sliding seat 12, the sliding seat 12 is provided with a pulley mounting frame 14, and the pulley mounting frame 14 is provided with a pulley 13.When the towed array 4 is retracted and released, the sliding seat 12 can slide a certain distance on the outer extension slide rail 11, and the towed array 4 is retracted and released with the assistance of the pulley 13.

[0045] In order to realize vibration reduction and provide certain damping, the elastic damper 8 is installed between the bottom of the fixed base 5 and the hull deck 1, the elastic damper 8 includes springs and rubber supports, the bottom of the fixed base 5 is provided with a plurality of springs in a ring shape, the inner ring of the spring is provided with a rubber support in combination, and the elasticity of the rubber support is greater than that of the spring, the spring and the rubber support are used in combination, which can achieve good elastic shock isolation effect and has certain damping effect on the ocean current impact force on the towed array 4, and can protect the towed array 4 to a certain extent.

[0046] The other side of the rear part of the hull deck 1 is vertically fixed with a fixed support frame 19, which is staggered with the towed sonar launch and recovery device, and adopts a left-right symmetrical split structure or a door type fixed support frame structure. The end of the fixed support frame 19 close to the tail of the hull deck 1 is installed with a door type turnover frame 21 through a turnover hinge shaft 20, and a turnover mechanism is installed between the door type turnover frame 21 and the hull deck 1 or the deck mounting seat 19. The turnover mechanism can rotate around the turnover hinge shaft 20 within a certain angle range, so that the turnover mechanism is turned to a certain angle after the turnover mechanism is turned to the tail of the deck, which is convenient for the launch and recovery of the towed body 3.

[0047] The turnover mechanism can adopt various structural forms, for example, the turnover mechanism adopts a multi-link structure, which specifically includes an upper hinge shaft 27, an upper connecting rod 28, a middle hinge shaft 29, a lower connecting rod 30, a lower hinge shaft 31, a connecting shaft 32, and a turnover driver 33. The upper end of the fixed support frame 19 is connected with one end of the upper connecting rod 28 through the upper hinge shaft 27, the other end of the upper connecting rod 28 is connected with one end of the lower connecting rod 30 through the middle hinge shaft 29, and the other end of the lower connecting rod 30 is hinged with the middle part of the door type turnover frame 21 through the lower hinge shaft 31. The middle hinge shaft 29 is hinged with the extension end of the turnover driver 33, the fixed end of the turnover driver 33 is installed on the fixed support frame 19 through the connecting shaft 32, the turnover driver 33 is a hydraulic cylinder and a connecting piece, and the turnover driver 33 can drive the door type turnover frame 21 and the installed towed body launch and recovery structure to turn to a certain angle outside the stern after being extended; the turnover driver 33 can drive the door type turnover frame 21 and the installed towed body launch and recovery structure to fold to the inside of the stern after being retracted.

[0048] The present application adopts a suspension type tow body winding and unwinding structure, the upper horizontal section of the door type turnover frame 21 is fixedly provided with a horizontal mounting shaft 22, the horizontal mounting shaft 22 is installed with a connecting fixing seat 23, the lower end of the connecting fixing seat 23 is installed with a center connecting cylinder 24, the outer circumference of the center connecting cylinder 24 is coaxially installed with a tow body winch 25, the horizontal mounting shaft 22 and the connecting fixing seat 23 ensure that the tow body winch 25 is always in a vertical state, even when the angle of the door type turnover frame 21 changes, the tow body winch 25 is also in a vertical state. The bottom end of the center connecting cylinder 24 and the lower part of the tow body winch 25 are installed with a tow body containing cabin 26, the tow body containing cabin 26 is used for placing the tow body 3, and after the tow body winch 25 completes winding of the tow cable 2, the tow body 3 can be in the tow body containing cabin 26. In order to enable the tow cable 2 to be uniformly wound on the winch during winding, without the situation that some parts are wound too much or too little, which is beneficial to smooth unwinding, the present application is vertically provided with a sliding rail 36 outside the tow body winch 25, the sliding rail 36 is installed with a sliding seat 37, the sliding seat 37 is installed with a lower pulley 35, the sliding rail 36 and the sliding seat 37 are installed with reciprocating moving devices and lifting devices, the sliding seat 37 and the lower pulley 35 can slowly move up and down during winding, which ensures that the tow cable 2 can be uniformly and orderly wound on the winch.

[0049] In addition, the present application also provides an adjustable air bag structure for quickly adjusting the depth in the tow body 3, specifically, an adjusting air bag 16 is arranged in the tow body outer shell 15, the air cock of the adjusting air bag 16 is in communication with the air pump 17, the air pump 17 is connected with the controller 18, when it is necessary to quickly recover the tow body 3 and avoid cable winding, the air pump 17 can be controlled to exhaust and fill water, so that the tow body 3 quickly sinks, the tow body 3 after sinking quickly pulls apart the distance with the tow array 4 in the water depth direction, and the tow cable 2 is quickly recovered, which can further improve the effect of preventing cable winding.

[0050] The above is a further detailed description of the present application in combination with the specific embodiments, which cannot be considered as limiting the specific embodiments of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, simple modifications and replacements made without departing from the concept of the present application should be considered as belonging to the protection scope of the present application.

Claims

1. A modular towed marine sonar device that is easy to deploy and retrieve quickly, comprising a tow cable (2), a tow body (3), and a tow array (4), wherein one end of the tow cable (2) is connected to the tow body (3), and a fixed base (5) is installed at the rear of the hull deck (1), characterized in that: An elastic damper (8) is installed between the bottom of the fixed base (5) and the hull deck (1). A drum outer frame (6) is fixed on the fixed base (5). A slewing seat (7) is installed inside the drum outer frame (6). A winch drum (9) coaxially arranged with the drum outer frame (6) is installed on the slewing seat (7). A fixed support frame (19) is vertically fixed at the rear of the hull deck (1). A portal frame is installed at one end of the fixed support frame (19) near the stern of the hull deck (1) via a flip hinge shaft (20). 21) A tilting mechanism is installed between the portal tilting frame (21) and the hull deck (1) or deck mounting seat (19). A connecting fixing seat (23) is hinged on the portal tilting frame (21). A central connecting cylinder (24) is installed at the lower end of the connecting fixing seat (23). A towing winch (25) is coaxially installed on the outer circumference of the central connecting cylinder (24). A towing housing (26) is installed at the bottom end of the central connecting cylinder (24) and below the towing winch (25). A pulley assembly is installed on the connecting fixing seat (23).

2. The modular towed marine sonar device according to claim 1, characterized in that: The tow body (3) includes an outer shell (15), an adjustable airbag (16), an air pump (17), and a controller (18). The adjustable airbag (16) is installed inside the outer shell (15). The air nozzle of the adjustable airbag (16) is connected to the air pump (17), and the air pump (17) is connected to the controller (18).

3. The modular towed marine sonar device according to claim 1, characterized in that: The outer frame (6) of the drum is equipped with an extended slide rail (11) that can extend to the outside of the outer end opening. A sliding seat (12) is installed on the extended slide rail (11), a pulley mounting bracket (14) is installed on the sliding seat (12), and a pulley (13) is installed on the pulley mounting bracket (14).

4. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The elastic damper (8) includes a spring and a rubber support. Multiple springs are distributed in a ring at the bottom of the fixed base (5). The inner ring of the spring is compounded with a rubber support, and the elasticity of the rubber support is greater than that of the spring. A rotary seat drive mechanism (10) is installed between the fixed base (5) and the rotary seat (7).

5. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The flipping mechanism includes an upper hinge shaft (27), an upper connecting rod (28), a middle hinge shaft (29), a lower connecting rod (30), a lower hinge shaft (31), a connecting shaft (32), and a flipping driver (33). The upper end of the fixed support frame (19) is connected to one end of the upper connecting rod (28) through the upper hinge shaft (27). The other end of the upper connecting rod (28) is connected to one end of the lower connecting rod (30) through the middle hinge shaft (29). The other end of the lower connecting rod (30) is hinged to the middle part of the gantry-type flipping frame (21) through the lower hinge shaft (31). The middle hinge shaft (29) is hinged to the telescopic end of the flipping driver (33). The fixed end of the flipping driver (33) is mounted on the fixed support frame (19) through the connecting shaft (32).

6. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The upper horizontal section of the portal frame (21) is fixedly provided with a horizontal mounting shaft (22), and a connecting fixing seat (23) is installed on the horizontal mounting shaft (22).

7. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The pulley assembly includes an upper pulley (34) and a lower pulley (35). The upper pulley (34) is installed on the upper part of the connecting fixed seat (23), and the lower pulley (35) is installed on the lower part of the connecting fixed seat (23) or on the outer frame of the towing winch (25).

8. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The towing winch (25) has a slide rail (36) vertically arranged on its outer side. A sliding seat (37) is installed on the slide rail (36). A lower pulley (35) is installed on the sliding seat (37). A reciprocating moving device and a lifting device are installed between the slide rail (36) and the sliding seat (37).

9. A split-type towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The tilting actuator (33) is a hydraulic cylinder and connecting parts.

10. A modular towed marine sonar device for easy and rapid deployment and retrieval according to claim 1, characterized in that: The towing cable (2) passes through the upper pulley (34) and the lower pulley (35) in sequence and is then connected and fixed to the drum on the towing winch (25).

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