Emergency stop and start device for ship lateral thruster

Abstract

The present invention relates to the field of ship technology, and discloses an emergency stop and start device for a ship lateral thruster, comprising a thruster body and a device body, wherein the thruster body is provided with thruster blades, and the device body is provided at the front end of the thruster body; the device body comprises a base, and a motor 1 is fixed at the center of the front surface of the base, and the rear end of the output shaft of the motor 1 passes through the inside of the base. When the present invention is used, the device is fixed on a cylindrical thruster and can be adjusted for use according to different thruster outer diameters. The motor 1 drives the bevel gear 1 to rotate, and the screw rotates under the transmission of the bevel gear 2, and the four slides are slid by the threaded connection to adjust the spacing between the splints, and the device is connected to the thruster or released, and in an emergency, the water flow generated by the thruster that cannot be stopped is used to move the brake block to contact the center of the thruster blade to brake and stop the thruster.

Description

Technical Field

[0001] The invention relates to the technical field of ships, and in particular to an emergency stop and start device for a ship's lateral thruster. Background Art

[0002] The ship's lateral thruster is generally installed in the horizontal pipe at the bow. The propeller is driven by the motor to rotate, discharging water from one side to the other side, and using the reaction force of the water to help the ship turn. When the ship is leaving or docking at the dock or sailing at a low speed, the rudder has little effect, and the lateral thruster can improve the ship's maneuverability. Some ships are equipped with a lateral thruster at the bow and stern, which can move the ship horizontally or turn it on the spot.

[0003] However, there is currently a lack of a device that uses the power generated by the flow of water when the ship's lateral thrusters are in operation to emergency stop and start the ship's lateral thrusters. In order to address the problem that the thruster circuit control is abnormal and cannot be controlled to stop and turn, a device for emergency stopping and starting the lateral thrusters of the ship is needed to prevent the ship from being damaged by collision due to loss of control of the thrusters. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an emergency stop and start device for a ship lateral thruster, which solves the problems raised in the above-mentioned background technology.

[0005] To solve the above technical problems, according to one aspect of the present invention, more specifically, a ship lateral thruster emergency stop and start device comprises a thruster body and a device body, wherein the thruster body is provided with thruster blades, and the device body is provided at the front end of the thruster body;

[0006] The device body includes a base, a motor 1 is fixed at the center of the front surface of the base, the rear end of the output shaft of the motor 1 passes through the base and is fixed with a bevel gear 1, four slides are connected through the base, the slide is threadedly connected with a screw 1, four brackets are fixed inside the base, the outer surface of the screw 1 is rotatably connected to the inside of the bracket, the outer side of the bevel gear 1 is meshed and connected with four bevel gears 2, the end of the screw 1 away from the slide is fixedly connected with the bevel gear 2, and the four slides are located on the outside of the propeller body at the opposite ends and are fixed with splints, a plurality of connecting frames are fixed on the rear surface of the base, and a main frame is integrally formed with the rear ends of the plurality of connecting frames, an inner cavity is opened inside the main frame, a channel 1 is opened inside the inner cavity, and through grooves are opened on the front and rear surfaces of the main frame, the interiors of the two through grooves are connected with the interior of the inner cavity, and the interior of the inner cavity is connected with the interiors of the plurality of channel 1s.

[0007] Furthermore, a rotating block is rotatably connected at the center of the rear surface of the main frame, a rotating ring is fixed inside the through groove at the rear of the front surface of the rotating block, a rectangular tube is slidably connected inside the rotating block, a brake block is fixed at the rear end of the rectangular tube, a screw rod 2 is threadedly connected inside the rectangular tube, the front end of the screw rod 2 is fixedly connected to the center of the rear surface of the base, a rotating cylinder is rotatably connected inside the through groove at the rear, a plurality of blocks are fixed on the outer surface of the rotating cylinder located inside the inner cavity, a plurality of tooth grooves are opened on the outer surface of the rotating cylinder located in front of the main frame, a second motor is fixed on the front surface of the main frame, a spur gear is fixed on the front end of the output shaft of the second motor, the rotating cylinder is meshedly connected with the second motor through the tooth groove, and a plurality of blades are fixed on the outer surface of the rotating block.

[0008] Furthermore, two arc plates are fixed on the rear surface of the rotating cylinder inside the inner cavity, a slide is provided on the rear surface of the arc plate, a movable ball is movably connected inside the slide, two sockets are provided on the rear surface of the main frame and the front surface of the rotating block, a plug rod is inserted into the socket, and the front end of the plug rod is fixedly connected to the movable ball.

[0009] Furthermore, a plurality of channels 2 are opened through the interior of the base.

[0010] Furthermore, a rubber sheet is fixed to one side of the clamping plate close to the propeller body.

[0011] Furthermore, a baffle is fixed on the rear surface of the main frame outside the blade.

[0012] Furthermore, the number of the blocks is the same as the number of the channel one.

[0013] Furthermore, multiple outer surfaces of the connecting frames are provided with rod grooves, inner side walls of the rod grooves are provided with through-type sliding grooves, and push-pull frames are slidably connected inside the sliding grooves, and opposite ends of multiple push-pull frames are fixedly connected to the outer surface of the rectangular tube, and multiple fixed plates are fixed on the outer surface of the enclosure, and the fixed plates are grouped in twos, and a clamping rod is rotatably connected between two fixed plates in each group, and an inner groove is penetrated inside the clamping rod, and movable grooves are penetrated on both side walls inside the inner groove, and movable rods are movably connected to the two movable grooves, and the rear end of the push-pull frame is located inside the inner groove and fixedly connected to the outer surface of the movable rod.

[0014] The beneficial effects of the emergency stop and start device for a ship lateral thruster of the present invention are:

[0015] When the present invention is used, the device is fixed on the cylindrical propeller and can be adjusted according to the outer diameter of different propellers. The first motor drives the first bevel gear to rotate, and the screw rotates under the transmission of the second bevel gear. The four slides are slidable by the threaded connection to adjust the spacing between the clamping plates, and the device is connected to the propeller or released.

[0016] When the propeller needs to be stopped urgently, the second motor is operated, and the structures such as the rotating drum, the stopper, and the arc plate are rotated under the transmission of the spur gear. The rotation of the stopper is misaligned with the channel one, so that the channel one is no longer blocked, and the rotating arc plate slides the plug rod forward through the slideway and the movable ball, thereby disengaging from the plug hole at the rotating block, and releasing the limit fixation of the rotating block. At this time, the rotating block and the blade rotate under the water flow generated by the rotation of the propeller blade, and the internal rectangular cylinder rotates, and when it rotates again, the internally fixed screw rod 2 is used to make it move backward in a spiral, bringing the rear brake block close to the middle of the front surface of the propeller blade until it contacts it, and continuously squeezes it to increase friction to slow it down, and then cooperates with the flipped clamp rod to be clamped between the propeller blades to brake it to stop, thereby achieving the effect of braking and stopping by using the flow of water;

[0017] When it is necessary to start, the control motor is operated to move the four clamps away from the outer surface of the propeller body, thereby releasing the connection with it, and the device body is separated under the push of the water flow, so that the propeller can be restored to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the device body in the present invention;

[0021] Figure 3 It is a schematic diagram of the left side cross-sectional structure of the device body in the present invention;

[0022] Figure 4 It is a structural schematic diagram of the slide and the bevel gear 1 in the present invention;

[0023] Figure 5 It is a left-side structural schematic diagram of the transfer block and the rotating drum in the present invention;

[0024] Figure 6 It is a structural schematic diagram of the main frame and the connecting frame in the present invention;

[0025] Figure 7 It is a rear view structural schematic diagram of the main frame and the connecting frame in the present invention;

[0026] Figure 8 It is a schematic diagram of the side structure of the arc plate in the present invention;

[0027] Fig. 9 It is a schematic diagram of the structure of the clamping rod and the push-pull frame in the present invention.

[0028] In the figure: 1, propeller body; 101, propeller blade; 2, base; 3, motor 1; 4, bevel gear 1; 5, slide; 6, screw 1; 7, bracket; 8, bevel gear 2; 9, clamping plate; 10, connecting frame; 11, main frame; 12, through groove; 13, channel 1; 14, inner cavity; 15, rotating block; 16, rotating ring; 17, rectangular cylinder; 18, brake block; 19, screw 2; 20, rotating cylinder ; 21. Block; 22. Tooth groove; 23. Motor 2; 24. Spur gear; 25. Blade; 26. Arc plate; 27. Slideway; 28. Movable ball; 29. ​​Insert rod; 30. Channel 2; 31. Rubber sheet; 32. Enclosure; 33. Socket; 34. Rod groove; 35. Slideway; 36. Push-pull frame; 37. Fixed plate; 38. Clamp rod; 39. Inner groove; 40. Movable groove; 41. Movable rod. DETAILED DESCRIPTION

[0029] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0030] like Figure 1-9 As shown, according to one aspect of the present invention, there is provided a ship lateral thruster emergency stop start device, comprising a thruster body 1 and a device body, wherein the thruster body 1 is provided with a thruster blade 101, and the device body is provided at the front end of the thruster body 1;

[0031] The device body includes a base 2, a motor 3 is fixed at the center of the front surface of the base 2, the rear end of the output shaft of the motor 3 passes through the base 2 and is fixed with a bevel gear 4, four slides 5 are connected through the base 2, the slide 5 is threadedly connected with a screw 6, four brackets 7 are fixed inside the base 2, the outer surface of the screw 6 is rotatably connected to the inside of the bracket 7, the outer side of the bevel gear 4 is meshed and connected with four bevel gears 2 8, the end of the screw 6 away from the slide 5 is fixedly connected to the bevel gear 2 8, the opposite ends of the four slides 5 are located on the outside of the propeller body 1 and are fixed with a clamping plate 9, a plurality of connecting frames 10 are fixed to the rear surface of the base 2, and a main frame 11 is integrally formed with the rear ends of the plurality of connecting frames 10, an inner cavity 14 is opened inside the main frame 11, a channel 13 is opened inside the inner cavity 14, through grooves 12 are opened on the front and rear surfaces of the main frame 11, the interiors of the two through grooves 12 are connected with the interior of the inner cavity 14, and the interior of the inner cavity 14 is connected with the interiors of the plurality of channels 13.

[0032] In this embodiment, a rotating block 15 is rotatably connected at the center of the rear surface of the main frame 11, a rotating ring 16 is fixed inside the through groove 12 located at the rear of the front surface of the rotating block 15, a rectangular cylinder 17 is slidably connected inside the rotating block 15, a brake block 18 is fixed at the rear end of the rectangular cylinder 17, a screw rod 19 is threadedly connected inside the rectangular cylinder 17, the front end of the screw rod 19 is fixedly connected to the center of the rear surface of the base 2, a rotating drum 20 is rotatably connected inside the through groove 12, a plurality of blocks 21 are fixed on the outer surface of the rotating drum 20 located inside the inner cavity 14, a plurality of tooth grooves 22 are opened on the outer surface of the rotating drum 20 located in front of the main frame 11, a motor 23 is fixed on the front surface of the main frame 11, a spur gear 24 is fixed on the front end of the output shaft of the motor 23, the rotating drum 20 is meshed with the motor 23 through the tooth grooves 22, a plurality of blades 25 are fixed on the outer surface of the rotating block 15, the brake block 18 is moved and operated by using the energy obtained from the movement of the surrounding water and the water flow generated by the operation of the propeller, and is braked by contacting the center of the propeller blade 101.

[0033] In this embodiment, two arc plates 26 are fixed on the rear surface of the rotating drum 20 located inside the inner cavity 14, a slide 27 is provided on the rear surface of the arc plate 26, and a movable ball 28 is movably connected inside the slide 27. Two sockets 33 are provided on the rear surface of the main frame 11 and the front surface of the rotating block 15. A plug rod 29 is inserted into the socket 33, and the front end of the plug rod 29 is fixedly connected to the movable ball 28. The plug rod 29 is inserted into the socket 33, so that the rotating block 15 cannot rotate; when the rotating drum 20 rotates, the arc plate 26 causes the plug rod 29 to slide forward through the slide 27 and the movable ball 28, thereby disengaging from the socket 33 at the rotating block 15, thereby releasing the limit fixation of the rotating block 15.

[0034] In this embodiment, a plurality of channels 2 30 are formed inside the base 2 to allow water flow generated by the operation of the propeller blades 101 to pass through the device body, thereby reducing the impact on the propeller.

[0035] In this embodiment, a rubber sheet 31 is fixed to one side of the clamping plate 9 close to the propeller body 1 to increase the friction force and the contact surface.

[0036] In this embodiment, a baffle 32 is fixed to the rear surface of the main frame 11 outside the blade 25 to reduce the impact of the water flow generated by the rotation of the propeller blade 101 on the blade 25.

[0037] In this embodiment, the number of blocks 21 is the same as that of channels 13. When the drum 20 drives the blocks 21 to rotate, the blocks 21 block the channels 13, preventing water from passing through the channels 13, thereby preventing the water flow generated by the rotation of the propeller blades 101 from passing through the device body. Then, the force on the blades 25 will be reduced, resulting in a reduction in the torque of the blades 25. The windmill may stop rotating or the rotation speed will slow down.

[0038] In this embodiment, a plurality of the connecting frames (10) are provided with rod grooves (34) on their outer surfaces, a through-type slide groove (35) is provided on the inner side wall of the rod groove (34), a push-pull frame (36) is slidably connected inside the slide groove (35), the opposite ends of the plurality of push-pull frames (36) are fixedly connected to the outer surface of the rectangular tube (17), a plurality of fixed plates (37) are fixed on the outer surface of the enclosure (32), the fixed plates (37) are arranged in groups of two, and a clamping rod (38) is rotatably connected between the two fixed plates (37) in each group, an inner groove (39) is provided through the inside of the clamping rod (38), and movable grooves (40) are provided through the inner side walls of the inner groove (39), and a movable rod (41) is movably connected to the two movable grooves (40), and the push-pull frame (36) The rear end is located inside the inner groove (39) and is fixedly connected to the outer surface of the movable rod (41). When the rectangular tube 17 moves backward, it will drive the multiple L-shaped push-pull frames 36 to move backward. At this time, the movable rod 41 pushes the inner wall of the movable groove 40, thereby rotating the clamping rod 38. Finally, the front end of the clamping rod 38 flips backward and is clamped between the pusher blades 101, so that the pusher blades 101 cannot rotate. The distance between the device body and the pusher blades 101 during installation is controlled according to actual needs, so that when stopping braking as needed, the brake block 18 can be used for friction braking alone, or the clamping rod 38 can be used for locking. When the distance between the device body and the pusher blades 101 is greater than the maximum distance after the clamping rod 38 rotates, the clamping rod 38 will not be able to clamp the pusher blades 101, which is more flexible to use.

[0039] The working principle of this device is: when in use, Figure 1 As shown, the device is fixed on the cylindrical propeller and can be adjusted according to the outer diameter of the propeller. The motor 13 drives the bevel gear 14 to rotate, and the screw 6 rotates under the transmission of the bevel gear 28. The four slides 5 are slidable to adjust the spacing of the clamping plates 9 by threaded connection, and the device is connected to the propeller or released;

[0040] When the propeller needs to be stopped urgently, the motor 23 is operated, and under the transmission of the spur gear 24, the rotating drum 20, the stopper 21, the arc plate 26 and other structures are rotated, and the stopper 21 rotates and is misaligned with the channel 13, so that the channel 13 is no longer blocked, and the rotating arc plate 26 causes the plug rod 29 to slide forward through the slideway 27 and the movable ball 28, thereby disengaging from the insertion hole 33 at the rotating block 15, and releasing the limit fixation of the rotating block 15. At this time, the rotating block 15 and the blade 25 rotate under the water flow generated by the rotation of the propeller blade 101, and the internal rectangular cylinder 17 rotates, and when it rotates again, it is spirally moved backward through the internal fixed screw 2 19, bringing the rear end brake block 18 close to the middle of the front surface of the propeller blade 101 until it contacts it, and continuously squeezes it to increase friction to slow it down, and the flipped clamping rod 38 is clamped between the propeller blades 101 to brake and stop it, thereby achieving the effect of braking and stopping by using the flow of water.

[0041] When it is necessary to start, the motor 1 3 is controlled to operate, so that the four clamps 9 are away from the outer surface of the propeller body 1, thereby releasing the connection therewith, and the device body is separated under the push of the water flow, so that the propeller can be restored to use.

[0042] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A ship lateral thruster emergency stop and start device, comprising a thruster body (1) and a device body, characterized in that: The propeller body (1) is provided with a propeller blade (101) inside, and the device body is arranged at the front end of the propeller body (1); The device body comprises a base (2), a motor 1 (3) is fixed at the center of the front surface of the base (2), the rear end of the output shaft of the motor 1 (3) passes through the inside of the base (2) and is fixed with a bevel gear 1 (4), four slides (5) are connected through the inside of the base (2), a screw rod 1 (6) is threadedly connected inside the slide rod (5), four brackets (7) are fixed inside the base (2), the outer surface of the screw rod 1 (6) is rotatably connected to the inside of the bracket (7), the outer side of the bevel gear 1 (4) is meshed with four bevel gears 2 (8), and the end of the screw rod 1 (6) away from the slide rod (5) is connected to the bevel gear Two (8) fixed connections, the opposite ends of the four slides (5) are located on the outside of the propeller body (1) and are fixed with clamping plates (9), the rear surface of the base (2) is fixed with a plurality of connecting frames (10), the rear ends of the plurality of connecting frames (10) are integrally formed with a main frame (11), an inner cavity (14) is provided inside the main frame (11), a channel (13) is provided through the inner cavity (14), a through groove (12) is provided on the front and rear surfaces of the main frame (11), the interiors of the two through grooves (12) are connected to the interiors of the inner cavity (14), and the interiors of the inner cavity (14) are connected to the interiors of the plurality of channel ones (13); A rotating block (15) is rotatably connected at the center of the rear surface of the main frame (11); a rotating ring (16) is fixed inside the through slot (12) at the rear of the front surface of the rotating block (15); a rectangular tube (17) is slidably connected inside the rotating block (15); a brake block (18) is fixed at the rear end of the rectangular tube (17); a second screw rod (19) is threadedly connected inside the rectangular tube (17); a front end of the second screw rod (19) is fixedly connected to the center of the rear surface of the base (2); and a rotating ring (16) is rotatably connected inside the through slot (12) at the rear. The outer surface of the rotating drum (20) is located in the inner cavity (14) and is fixed with a plurality of stoppers (21); the outer surface of the rotating drum (20) is located in front of the main frame (11) and is provided with a plurality of tooth grooves (22); a second motor (23) is fixed on the front surface of the main frame (11); a spur gear (24) is fixed to the front end of the output shaft of the second motor (23); the rotating drum (20) is meshedly connected with the second motor (23) via the tooth grooves (22); and a plurality of blades (25) are fixed on the outer surface of the rotating block (15); A baffle (32) is fixed to the rear surface of the main frame (11) outside the blade (25); The outer surfaces of the plurality of connecting frames (10) are provided with rod grooves (34), the inner side walls of the rod grooves (34) are provided with through-type slide grooves (35), the slide grooves (35) are slidably connected with push-pull frames (36), the opposite ends of the plurality of push-pull frames (36) are fixedly connected to the outer surface of the rectangular tube (17), the outer surface of the enclosure (32) is fixed with a plurality of fixed plates (37), the fixed plates (37) are arranged in groups of two, and a clamping rod (38) is rotatably connected between the two fixed plates (37) in each group, the clamping rod (38) is provided with an inner groove (39) through-through, the inner side walls of the inner groove (39) are provided with movable grooves (40), the two movable grooves (40) are movably connected with movable rods (41) in the two movable grooves, and the rear end of the push-pull frame (36) is located inside the inner groove (39) and is fixedly connected to the outer surface of the movable rod (41).

2. The emergency stop and start device for a ship lateral thruster according to claim 1, characterized in that: The rear surface of the rotating drum (20) is located inside the inner cavity (14) and is fixed with two arc plates (26). The rear surface of the arc plate (26) is provided with a slideway (27). A movable ball (28) is movably connected inside the slideway (27). The rear surface of the main frame (11) and the front surface of the rotating block (15) are jointly provided with two insertion holes (33). An insertion rod (29) is inserted inside the insertion hole (33). The front end of the insertion rod (29) is fixedly connected to the movable ball (28).

3. The emergency stop and start device for a ship lateral thruster according to claim 1, characterized in that: A plurality of second channels (30) are provided inside the base (2).

4. The emergency stop and start device for a ship lateral thruster according to claim 1, characterized in that: A rubber sheet (31) is fixed to one side of the clamping plate (9) close to the thruster body (1).

5. The emergency stop and start device for a ship lateral thruster according to claim 1, characterized in that: The number of the blocks (21) is the same as the number of the channel one (13).

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