Leveling device for non-uniform blow-off of water tanks on two sides of submersible and using method

Abstract

The invention discloses a leveling device for blow-off unevenness of water tanks on two sides of a submersible and a using method. The leveling device comprises an angular base fixed to a pressure-resistant bulkhead through a fastener, a bearing seat is fixed to the upper portion of the angular base, a bearing seat hole is formed in the center of the bearing seat, a rotating shaft is installed in the bearing seat hole in a matched mode, and the rotating shaft is connected with a wing plate. A first limiting rod is arranged on the bearing seat located above the bearing seat hole, a second limiting rod parallel to the first limiting rod is installed on the pressure-resisting cabin wall, the first limiting rod limits the wing plate to rotate to be in a 90-degree vertical state, and the second limiting rod limits the wing plate to rotate to be in a horizontal state. Dangerous heeling and secondary danger caused by non-uniform blow-off of the water tanks on the two sides are effectively eliminated, and the submersible safely floats to the water surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of submersible underwater blow-off and floating control device, and particularly relates to a submersible two-bank water tank blow-off uneven leveling device and a use method. BACKGROUND

[0002] The submersible is a kind of diving device with underwater observation and underwater operation capability, and the manned submersible can carry several personnel into the underwater environment to perform complex and diverse tasks. During the process of the manned submersible from underwater to the water surface, the compressed air blow-off system is usually used to blow off the ballast water tank to achieve the purpose of weight reduction and floating.

[0003] In the existing configuration of the compressed air blow-off system of the manned submersible, the blow-off force arm is short, the blow-off of the two-bank water tank is basically consistent by default, and due to the limited space between the pressure hull and the bank, a flow regulating valve is usually not configured to specifically regulate the blow-off flow of the left and right two-bank water tanks. However, in the actual blow-off process, the blow-off flow of one bank is insufficient due to the single-bank blow-off valve jam, the water in one tank is not drained smoothly due to the single-bank sea valve blockage, the initial water levels of the two-bank water tanks are different due to the air cushion, and the posture of the submersible is inclined due to the wind and waves, which may all cause the blow-off of the two-bank water tank to be uneven. The uneven blow-off not only causes or aggravates the inclination, but also may cause the free surface effect to be superimposed. When the water tank is not completely emptied, the residual water will form a secondary overturning moment with the submersible, which is very dangerous. SUMMARY

[0004] In view of the above-mentioned defects in the prior art, the present application provides a submersible two-bank water tank blow-off uneven leveling device and a use method, so as to effectively eliminate the dangerous inclination and secondary danger caused by the uneven blow-off of the two-bank water tank, and make the submersible safely float to the water surface.

[0005] The technical scheme adopted by the present application is as follows:

[0006] A submersible two-bank water tank blow-off uneven leveling device, comprising a ballast water tank, the ballast water tank is hung on both sides of a pressure hull, a sea valve is installed at the bottom of the ballast water tank, and leveling devices are symmetrically installed on the pressure hull wall of the pressure hull, and blow-off pipe openings are arranged above the leveling devices;

[0007] The structure of a single leveling device comprises an angular base fixed to the pressure hull wall by fasteners, a bearing seat fixed above the angular base, a bearing seat hole arranged in the center of the bearing seat, a rotating shaft fitted and installed in the bearing seat hole, and a wing plate connected to the rotating shaft; a first limiting rod is arranged on the bearing seat above the bearing seat hole, and a second limiting rod parallel to the first limiting rod is arranged on the pressure hull wall, the first limiting rod limits the wing plate to be turned to a 90-degree vertical state, and the second limiting rod limits the wing plate to be turned to a horizontal state.

[0008] The further technical scheme is characterized in that:

[0009] The leveling device adopts a long shaft through-cabin type, the rotating shaft adopts a long shaft body, one end of the long shaft body is located in the ballast water tank, the other end of the long shaft body is locked by a locking nut after passing through the pressure cabin wall, and then a hand wheel is installed at the head of the long shaft body.

[0010] The leveling device adopts a short shaft in-cabin type, the leveling device is arranged in the ballast water tank, and the rotating shaft adopts a short shaft body.

[0011] The middle part of the long shaft body is provided with a long shaft shoulder, one end of the long shaft body is processed into a long shaft external spline, the other end of the long shaft body is processed into a square head, and an external thread is processed between the long shaft shoulder and the square head.

[0012] The square head is matched with the hand wheel, and a square hole is arranged in the middle part of the hand wheel.

[0013] The short shaft body is respectively provided with a short shaft shoulder and a short shaft external spline at two ends.

[0014] The bearing seat adopts a convex letter-shaped structure.

[0015] The wing plate adopts an integral thin plate structure.

[0016] The inside of the wing plate is a gourd-shaped hollow structure, a counterbore matched with the rotating shaft is formed on one side of the bottom of the wing plate, and an internal spline is processed in the inside of the counterbore.

[0017] A use method of a leveling device for uneven blowing of two sides of a water tank of a submersible vehicle, comprising the following operation processes:

[0018] Initially, the submersible vehicle is in a state of being underwater, the ballast water tank is filled with ballast water, and the wing plate is in a state close to being vertical;

[0019] The submersible vehicle starts to convert from the state of being underwater to the state of being on the water surface, the two sides of the sea valve are opened, and compressed air blowing is started;

[0020] If the ballast water tanks on the left and right sides are blown in a consistent manner, the state of the wing plate changes simultaneously, and when the wing plate as a whole is located above the water line, the wing plate finally falls to be in a state close to being horizontal;

[0021] If the ballast water tanks on the left and right sides are blown in an inconsistent manner, the wing plate in the water tank blown too fast first assumes a state close to being horizontal, the blowing air flow is hindered at the wing plate, a flow around is formed, the flow rate is reduced, the speed of the ballast water in the water tank blown too fast is slowed down, and the purpose of leveling the liquid level of the water tank is achieved;

[0022] When the submersible vehicle floats to the state of being on the water surface, the compressed air blowing is stopped and the corresponding water tank sea valve is closed;

[0023] When the submersible vehicle is docked at the wharf for a long time, the hand wheel is locked by using the locking nut.

[0024] The beneficial effects of the present application are as follows:

[0025] The present application has the advantages of compact structure, reasonable design, convenient operation and reliable performance. The rotation and position of the wing plate are controlled to organize the air flow blowing in the ballast water tank, so as to achieve the purpose of blowing and leveling of the two sides of the water tank. The main structure of the device is installed in the ballast water tank, which does not occupy the pressure tank and the space between the sides. The device has the advantage of self-adaptive adjustment. When the two sides of the water tank are unevenly blown, the device automatically senses and acts to level the water level. The use of the present application can effectively slow down the dangerous roll caused by uneven blowing of the two sides of the water tank and the secondary danger, so as to make the submarine safe to float to the water surface. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present application (long axis through tank type).

[0027] Figure 2 It is Figure 1 It is a partial enlarged view of A part.

[0028] Figure 3 It is a structural schematic diagram of the present application (short axis in-tank type).

[0029] Figure 4 It is Figure 3 It is a partial enlarged view of B part.

[0030] Figure 5 It is a structural schematic diagram of the leveling device of the present application (long axis through tank type).

[0031] Figure 6 It is a structural schematic diagram of the leveling device of the present application (long axis through tank type).

[0032] Figure 7 It is an exploded view of the leveling device of the present application (short axis in-tank type).

[0033] Figure 8 It is an installation schematic diagram of the leveling device of the present application (long axis through tank type).

[0034] Figure 9 It is a front view of the wing plate of the present application.

[0035] Figure 10 It is Figure 9 It is a full sectional view along C-C section.

[0036] Figure 11 It is a motion process diagram of the wing plate of the present application (I).

[0037] Figure 12 It is a motion process diagram of the wing plate of the present application (II).

[0038] Figure 13 This is a diagram (III) illustrating the movement process of the wing plate of the present invention.

[0039] The components include: 1. Leveling device; 2. Pressure tank; 3. Ballast water tank; 4. Pressure tank wall; 5. Purge port; 6. Sea valve;

[0040] 11. Handwheel; 12. Locking nut; 13. Angle base; 14. Bearing housing; 15. Long shaft body; 16. No. 1 limit rod; 17. Wing plate; 18. No. 2 limit rod; 19. Short shaft body;

[0041] 1101, square hole;

[0042] 1501, long shaft external spline; 1502, long shaft shoulder; 1503, external thread; 1504, square head;

[0043] 1701, Countersunk hole; 1702, Internal spline; 1703, Hollow structure;

[0044] 1901, short shaft external spline; 1902, short shaft shoulder. Detailed Implementation

[0045] The specific embodiments of the present invention will now be described with reference to the accompanying drawings.

[0046] like Figures 1-13 As shown, the uneven leveling device for blowing out water tanks on both sides of the submersible in this embodiment includes a ballast water tank 3, which is hung on both sides of the pressure tank 2. A sea valve 6 is installed at the bottom of the ballast water tank 3. Leveling devices 1 are symmetrically installed on the pressure tank wall 4 of the pressure tank 2. A blowout port 5 is arranged above the leveling device 1.

[0047] The structure of a single leveling device 1 is as follows: it includes an angular base 13 fixed to the pressure bulkhead 4 by fasteners, a bearing seat 14 fixed above the angular base 13, a bearing seat hole provided in the center of the bearing seat 14, a rotating shaft installed in the bearing seat hole, and the rotating shaft connected to the wing plate 17; a first limiting rod 16 is provided on the bearing seat 14 above the bearing seat hole, and a second limiting rod 18 parallel to the first limiting rod 16 is installed on the pressure bulkhead 4. The first limiting rod 16 restricts the wing plate 17 to rotate to a 90-degree vertical state, and the second limiting rod 18 restricts the wing plate 17 to rotate to a horizontal state.

[0048] The leveling device 1 adopts a long shaft through-tank type. The rotating shaft adopts a long shaft body 15. One end of the long shaft body 15 is located in the ballast water tank 3. The other end of the long shaft body 15 passes through the pressure tank wall 4 and is locked by locking nut 12. Then, a handwheel 11 is installed at the head of the long shaft body 15.

[0049] The leveling device 1 adopts a short-shaft in-tank type. The leveling device 1 is arranged inside the ballast water tank 3, and the rotating shaft adopts a short-shaft body 19.

[0050] The long shaft body 15 is provided with a long shaft shoulder 1502 in the middle, and the long shaft body 15 is processed into a long shaft external spline 1501 at one end and a square head 1504 at the other end, and is processed into an external thread 1503 between the long shaft shoulder 1502 and the square head 1504.

[0051] The square head 1504 is matched with the hand wheel 11, and the hand wheel 11 is provided with a square hole 1101 in the middle.

[0052] The short shaft body 19 is provided with a short shaft shoulder 1902 and a short shaft external spline 1901 at both ends, respectively.

[0053] The bearing seat 14 adopts a convex letter-shaped structure.

[0054] The wing plate 17 adopts an integral thin plate structure.

[0055] The wing plate 17 is internally provided with a gourd-shaped hollow structure 1703, and a counterbore 1701 matched with a rotating shaft is formed on one side of the bottom of the wing plate 17, and the inside of the counterbore 1701 is processed into an internal spline 1702.

[0056] The use method of the uneven blowing leveling device of the two-side water tanks of the submersible of the embodiment comprises the following operation processes:

[0057] Initially, the submersible is in an underwater state, the ballast water tank 3 is filled with ballast water, and the wing plate 17 is in a state close to vertical;

[0058] The submersible starts to convert from the underwater state to the water surface state, the two-side sea valves 6 are opened, and the compressed air blowing is started;

[0059] If the ballast water tanks 3 on the left and right sides are blown uniformly, the wing plate 17 changes simultaneously, and when the wing plate 17 is located above the waterline, the wing plate 17 finally falls to the second limiting rod 18 in a state close to horizontal;

[0060] If the ballast water tanks 3 on the left and right sides are blown unevenly, the wing plate 17 in the water tank blows too fast and is first in a state close to horizontal, the blowing air flow is hindered at the wing plate 17, forming a flow around, the flow rate is reduced, the ballast water in the water tank blows too fast and the speed is slow, and the purpose of leveling the water level of the water tank is achieved;

[0061] When the submersible floats to the water surface state, the compressed air blowing is stopped and the corresponding water tank sea valve 6 is closed;

[0062] When the submersible is docked at the wharf for a long time, the hand wheel 11 is locked by using the locking nut 12.

[0063] The specific structure and function of the uneven blowing leveling device of the two-side water tanks of the submersible are as follows:

[0064] The leveling device 1 mainly comprises a hand wheel 11, a locking nut 12, a long shaft body 15, a short shaft body 19, a bearing seat 14, a wing plate 17, an angular base 13, a second limiting rod 18 and a first limiting rod 16.

[0065] The whole device can have two variable versions: version one is a long shaft through-cabin version, and version two is a short shaft in-cabin version.

[0066] In the long shaft through-cabin version, the long shaft body 15 is arranged through the pressure cabin 2, one end of which is located in the pressure cabin 2 and the other end of which is located in the ballast water tank 3. The middle part of the long shaft body 15 is provided with a long shaft shoulder 1502, one end of the long shaft body 15 is processed into a long shaft external spline 1501, the other end is processed into a square head 1504, and an external thread 1503 is processed between the long shaft shoulder 1502 and the square head 1504. The long shaft body 15 is connected with the hand wheel 11 arranged in the pressure cabin 2 through the square head 1504, and one end of the hand wheel 11 is processed into a square hole 1101 for cooperation. The pressure cabin 2 is also provided with the locking nut 12, which is sleeved on the long shaft body 15 to lock the shaft on the pressure cabin wall 4. The long shaft body 15 is connected with the wing plate 17 through the bearing seat 14 in the ballast water tank 3, and the bottom of the wing plate 17 is provided with a counterbore 1701, the inside of which is processed into an internal spline 1702 matched with the long shaft external spline 1501 at one end of the long shaft body 15. The long shaft body 15 and the bearing seat 14 are in clearance fit, and the shaft can freely rotate in the bearing seat 14. The long shaft shoulder 1502 is in close contact with the bearing seat hole to limit the axial movement of the shaft, so that the wing plate 17 can only rotate around the axis of the long shaft body 15. In order to limit the rotation angle of the wing plate 17, the first limiting rod 16 is fixedly connected to the bearing seat 14, and the second limiting rod 18 is fixedly connected to the pressure cabin wall 4, so that the wing plate 17 can only rotate within the range of 90° between the two rods. In order to support the leveling device 1, the angular base 13 is arranged, one end of which is threadedly connected with the bearing seat 14 and the other end of which is threadedly connected with the pressure cabin wall 4.

[0067] In the short shaft in-cabin type, the device is composed of no hand wheel 11 and locking nut 12, and the whole device is arranged in the ballast water cabin 3. The short shaft shoulder 1902 is located at the end of the short shaft body 19, and the other end of the short shaft body 19 is processed into a short shaft external spline 1901. The short shaft body 19 is connected with the wing plate 17 through the bearing seat 14 in the ballast water cabin 3, the bottom of the wing plate 17 is provided with a counterbore 1701, and the inside of the counterbore 1701 is processed into an internal spline 1702 matched with the short shaft external spline 1901 at the end of the short shaft body 19. The short shaft body 19 is in clearance fit with the bearing seat 14, and the shaft can freely rotate in the bearing seat 14. The short shaft shoulder 1902 is in close fit with the bearing seat hole, so as to limit the axial movement of the shaft, so that the wing plate 17 can only rotate around the axis of the short shaft body 19. In order to limit the rotation angle of the wing plate 17, a first limiting rod 16 is fixedly connected to the bearing seat 14, and a second limiting rod 18 is fixedly connected to the pressure cabin wall 4, so that the wing plate 17 can only rotate within the range of 90° between the two rods. In order to support the leveling device 1, an angular base 13 is arranged, one end of the base is in threaded connection with the bearing seat 14, and the other end is in threaded connection with the pressure cabin wall 4.

[0068] The inside of the wing plate 17 is a gourd-shaped hollow structure 1703, the closer to the bottom counterbore 1701, the smaller the hollow volume, and the part far away from the bottom counterbore 1701 has the maximum hollow volume, which makes the wing plate 17 freely vertically float up without external force when the wing plate 17 is installed on the shaft and the whole is immersed in water, and the wing plate 17 is in an approximately vertical state limited by the first limiting rod 16. When the wing plate 17 is located above the water line, the buoyancy is less than the gravity, and the wing plate 17 is no longer in an approximately vertical state, and the wing plate 17 swings around the shaft and finally falls on the second limiting rod 18 to be in an approximately horizontal state.

[0069] For the ballast water cabin 3, generally, a blowing pipe port 5 and a sea valve 6 should be contained. The leveling device 1 is arranged in the ballast water cabin 3, one on each side of the left and right sides, and is fixed to the cabin wall of the ballast water cabin 3 by relying on the angular base 13. The device is arranged close to the blowing pipe port 5, and when the wing plate 17 is in a horizontal state, the blowing pipe port 5 is opposite to the geometric center of the wing plate 17, and the distance between the port and the geometric center can be 50-100 cm.

[0070] In actual working process:

[0071] (I) Free mode:

[0072] The long shaft through-cabin type and the short shaft in-cabin type of the leveling device 1 can both realize the free mode, and when the device is in the free mode, for the long shaft through-cabin type, the locking nut 12 needs to be loosened.

[0073] a. Initially, the submersible is in an underwater state, the ballast water cabin 3 is filled with ballast water, and the wing plate 17 is in an approximately vertical state;

[0074] b. The submarine begins to convert from the underwater state to the surface state, opens the two sides of the sea valve 6, and starts to blow compressed air;

[0075] c.1 If the left and right sides of the ballast water tank 3 blow consistently, the wing plate 17 changes state at the same time, and when the wing plate 17 is located above the waterline as a whole, the wing plate 17 finally falls to the approximate horizontal state of the second limiting rod 18;

[0076] c.2 If the left and right sides of the ballast water tank 3 blow inconsistently, the wing plate 17 in the water tank blows first to an approximate horizontal state, the blow air flow is hindered at the wing plate 17, forming a flow around, the flow rate is reduced, the ballast water in the water tank blows too fast, and the speed is slowed down, achieving the purpose of leveling the water tank liquid level;

[0077] d. When the submarine floats to the surface state, stop blowing compressed air and close the corresponding water tank sea valve 6;

[0078] e. When the submarine is docked for a long time, use the locking nut 12 to lock the hand wheel 11.

[0079] (II) Manual operation mode

[0080] For the long-axis type of the leveling device 1, a manual operation mode can also be used. When manually operating, the locking nut 12 needs to be loosened.

[0081] a. Initially, the submarine is in the underwater state, the ballast water tank 3 is filled with ballast water, and the wing plate 17 is in an approximate vertical state;

[0082] b. The submarine begins to convert from the underwater state to the surface state, opens the two sides of the sea valve 6, and starts to blow compressed air;

[0083] c.1 If the left and right sides of the ballast water tank 3 blow consistently, no adjustment operation is needed for the hand wheel 11;

[0084] c.2 If the left and right sides of the ballast water tank 3 blow inconsistently, the operator in the pressure cabin 2 adjusts the hand wheel 11 in real time. For the water tank that blows too fast, the hand wheel 11 keeps the wing plate 17 in an approximate horizontal state, and for the water tank that blows too slowly, the hand wheel 11 keeps the wing plate 17 in an approximate vertical state, achieving the purpose of leveling the water tank liquid level;

[0085] d. When the submarine floats to the surface state, stop blowing compressed air and close the corresponding water tank sea valve 6;

[0086] e. When the submarine is docked for a long time, use the locking nut 12 to lock the hand wheel 11.

[0087] The device body structure described in the embodiment is installed inside the ballast water tank 3, does not occupy the pressure cabin 2 and the inter-bank space. The device has the advantages of self-adaptive adjustment. When the two-bank water tank is unevenly blown, the device independently senses and acts to realize the leveling of the water tank liquid level. The device structure is simple, the action is reliable, the response is rapid, and the use of the invention will effectively slow down the dangerous roll caused by the uneven blowing of the two-bank water tank and the secondary danger, so that the submersible is safely floated to the water surface.

[0088] The above description is an explanation of the application, not a limitation of the application. The scope of the application is defined in the claims. Within the protection scope of the application, any form of modification can be made.

Claims

1. A device for blowing off unevenness of a two-side water tank of a submersible, comprising a ballast water tank (3) which is hanged on both sides of a pressure hull (2), and a sea valve (6) which is installed at the bottom of the ballast water tank (3), characterized in that: The leveling device (1) is symmetrically installed on the pressure cabin wall (4) of the pressure cabin (2), and blow nozzles (5) are arranged above the leveling device (1). The structure of a single leveling device (1) comprises an angular base (13) fixed to the pressure cabin wall (4) by fasteners, a bearing seat (14) fixed above the angular base (13), a bearing seat hole arranged in the center of the bearing seat (14), a rotating shaft fitted in the bearing seat hole, and a wing plate (17) connected to the rotating shaft.

2. A device for blowdown trim of a two-sides water tank of a submersible, as claimed in claim 1, wherein: A first limiting rod (16) is arranged on the bearing seat (14) above the bearing seat hole, and a second limiting rod (18) parallel to the first limiting rod (16) is arranged on the pressure cabin wall (4), the first limiting rod (16) limits the wing plate (17) to be turned to a 90-degree vertical state, and the second limiting rod (18) limits the wing plate (17) to be turned to a horizontal state.

3. The uneven blowdown trim device for a two-sides water tank of a submersible vehicle according to claim 1, characterized in that: The leveling device (1) adopts a long shaft through-cabin type, the rotating shaft adopts a long shaft body (15), one end of the long shaft body (15) is located in the ballast water tank (3), the other end of the long shaft body (15) passes through the pressure cabin wall (4) and is locked by a locking nut (12), and then a hand wheel (11) is arranged at the head of the long shaft body (15).

4. A vehicle having a pair of water tanks, the vehicle being provided with a blowdown unevenness adjusting device according to claim 2, characterized in that: The leveling device (1) adopts a short shaft in-cabin type, and the whole leveling device (1) is arranged inside the ballast water tank (3), and the rotating shaft adopts a short shaft body (19).

5. A vehicle having a pair of water tanks, the vehicle being provided with a blowdown unevenness adjusting device according to claim 4, characterized in that: A long shaft shoulder (1502) is arranged in the middle of the long shaft body (15), one end of the long shaft body (15) is processed into a long shaft external spline (1501), the other end of the long shaft body (15) is processed into a square head (1504), and an external thread (1503) is processed between the long shaft shoulder (1502) and the square head (1504).

6. A device for leveling uneven water tanks on both sides of a submersible as described in claim 3, characterized in that: The square head (1504) is matched with the hand wheel (11), and a square hole (1101) is arranged in the middle of the hand wheel (11).

7. A vehicle having two side water tanks, a blow-off unevenness leveling device for the vehicle according to claim 6, characterized in that: Short shaft shoulders (1902) and short shaft external splines (1901) are arranged at both ends of the short shaft body (19), respectively.

8. The apparatus according to claim 1, wherein: The bearing seat (14) adopts a convex letter-shaped structure.

9. The apparatus according to claim 1, wherein: The wing plate (17) adopts an integral thin plate structure.

10. A method of using the uneven blowdown leveling device of the submersible two- side water tank of claim 1, characterized in that: The inside of the wing plate (17) is a gourd-shaped hollow structure (1703), a counterbore (1701) matched with the rotating shaft is formed on one side of the bottom of the wing plate (17), and an internal spline (1702) is processed in the inside of the counterbore (1701). The operation process comprises the following steps: Initially, the submersible is in an underwater state, the ballast water tank (3) is filled with ballast water, and the wing plate (17) is in a nearly vertical state; The submersible starts to convert from the underwater state to the water surface state, the two side sea valves (6) are opened, and compressed air blowing is started; If the left and right ballast water tanks (3) are blown uniformly, the state of the wing plate (17) changes simultaneously, and when the whole wing plate (17) is located above the water line, the wing plate (17) finally falls to a nearly horizontal state on the second limiting rod (18); If the left and right ballast water tanks (3) are not blown uniformly, the wing plate (17) in the water tank first becomes a nearly horizontal state when the blowing is too fast, the blowing airflow is hindered at the wing plate (17), forming a flow around, the flow rate is reduced, the speed of the ballast water in the water tank is slowed down when the blowing is too fast, and the purpose of leveling the water level in the water tank is achieved; When the submersible is floated to the surface, stop the compressed air blowing and close the corresponding sea valve (6); when the submersible is docked for a long time, lock the hand wheel (11) using the locking nut (12).

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