Driving structure for underwater movement of small submarine

Abstract

The utility model discloses a driving structure for underwater movement of a small submarine, which belongs to the technical field of submarine driving structures and comprises a transmission shaft, one end of the transmission shaft is fixedly connected with a spiral blade, the other end of the transmission shaft is provided with a bearing seat, a bearing and a driving unit, and one side of the outside of the transmission shaft is provided with an anti-winding component. An auxiliary heat dissipation assembly is arranged on the side, opposite to the bearing seat, of the anti-winding assembly. According to the small submarine, the driving unit drives the transmission shaft and the spiral blade to rotate, so that the small submarine moves in the water body, in the process, the transmission shaft can drive the first gear, the second gear, the annular gear, the connecting block, the annular block and the cutting knife to rotate, and the rotating cutting knife can cut off impurities such as aquatic plants and fishing nets around the spiral blade and the sealing shaft sleeve; and the winding risk and the leakage risk are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to submarine drive structure technical field especially relates to a small submarine underwater movement drive structure. BACKGROUND

[0002] The submarine is a kind of warship that can navigate on water surface and underwater certain depth, and fight, and submarine drive structure refers to the energy changer in submarine propulsion device, it converts the power generated by engine into the thrust of submarine travel, to overcome the resistance of submarine navigation in water, and push submarine to travel.

[0003] Such as Chinese patent document (CN214930517U) submarine steering propulsion device, including rudder, the rudder is kept perpendicular with the body and is arranged in the tail of boat, to the same body connection as the pivot of horizontal direction deflection;Rudder shaft is arranged in the tail of boat and penetrates the body, and is connected with the rudder, the lower direction of the rudder the rear portion is equipped with the containing portion for installing the propulsion assembly, utilizes fastening bolt and installs the propulsion motor in the containing portion by motor connecting plate;Propulsion propeller is equipped with multiple groups of propeller blades, is installed in the rear portion of the propulsion motor, since the utility model adopts the containing portion in the lower direction of the rudder, and the propulsion motor is assembled in the containing portion, when the submarine body needs emergency adjustment of navigation direction, start the propulsion motor, follow the rudder and provide the propulsive force, along with the left and right deflection amplitude of rudder reaches maximum, can realize the minimum radius turning of submarine, but the device in the use process, external impurities, fishing nets and waterweeds can be wound on transmission shaft and spiral blade, cause the influence to the movement stability of device, therefore, need to carry out improvement. UTILITARIAN CONTENT

[0004] The utility model aims at: in order to solve the problem that external impurities, fishing nets and waterweeds can be wound on transmission shaft and spiral blade in the use process of prior art, cause the influence to the movement stability of device, and a small submarine underwater movement drive structure is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A small submarine underwater movement drive structure, comprising a transmission shaft, the transmission shaft one end is fixedly connected with propeller blade, the transmission shaft other end is provided with bearing seat, bearing and drive unit, the transmission shaft outer side is provided with anti-entangling assembly, the anti-entangling assembly relative bearing seat one side is provided with auxiliary heat dissipation assembly;

[0007] The anti-winding assembly comprises a mounting box, a first gear is arranged at the inner center of the mounting box, a second gear is meshed and connected on one side of the first gear, an annular gear is meshed and connected on the side away from the first gear of the second gear, a connecting block is fixedly connected on one side of the annular gear, an annular block is fixedly connected on the side away from the annular gear of the connecting block, and a plurality of cutting knives are fixedly connected on the inner circumferential side of the annular block.

[0008] As a further description of the above technical solution:

[0009] The bearing is rotationally connected on the outer circumferential side of the transmission shaft, the bearing seat is arranged on the outer circumferential side of the bearing, and the bearing seat is arranged between the driving unit and the spiral blade, a sealing shaft sleeve is sleeved on one side of the transmission shaft, a cooling channel is arranged at the inner center of the bearing seat, and the cooling channel is arranged on the outer circumferential side of the bearing.

[0010] As a further description of the above technical solution:

[0011] The second gear is fixedly connected with a fixed shaft, the fixed shaft is rotationally connected in the mounting box, and the mounting box is rotationally sealed on the outer circumferential side of the transmission shaft through the bearing.

[0012] As a further description of the above technical solution:

[0013] The annular block is arranged on the outer side of the mounting box, the connecting block is rotationally connected on the inner circumferential side of the mounting box through a first rotary sealing sleeve, the connecting block is rotationally connected with a sealing disc on the inner circumferential side through a second rotary sealing sleeve, and the sealing disc is fixedly connected with the inner wall of the mounting box through a mounting frame.

[0014] As a further description of the above technical solution:

[0015] The cutting knives are arranged on one side of the sealing shaft sleeve and between the sealing shaft sleeve and the spiral blade.

[0016] As a further description of the above technical solution:

[0017] The auxiliary heat dissipation assembly comprises a connecting box, one side of the connecting box is fixedly connected with the outer circumferential side of the mounting box, and a rectangular through hole is arranged at the joint of the connecting box and the mounting box.

[0018] As a further description of the above technical solution:

[0019] The spring is fixedly connected to the both sides of the connecting box, the spring is fixedly connected to the other side of the sliding plate, the sliding plate is slidably connected to the inside of the connecting box, the connecting rod is fixedly connected to the center of the other side of the sliding plate relative to the spring, the roller is fixedly connected to the other end of the connecting rod, the roller is slidably connected to the inside of the rectangular through hole, and the protruding block is arranged on the side, away from the connecting rod, of the roller.

[0020] As a further description of the above technical solution:

[0021] The liquid bag is fixedly connected to the side, away from the connecting rod, of the sliding plate, the other side of the liquid bag is fixedly connected to the inner wall of the connecting box, the liquid inlet pipe is communicated with the side of the liquid bag, the other end of the liquid inlet pipe is communicated with the external cooling liquid supply device, the liquid outlet pipe is communicated with the other side of the liquid bag, the one-way valves are arranged on the liquid outlet pipe and the liquid inlet pipe, and the end, away from the liquid bag, of the liquid outlet pipe is communicated with the cooling channel formed in the inside of the bearing seat.

[0022] As described above, since the above technical solution is adopted, the utility model has the beneficial effects that:

[0023] 1、In the utility model, the anti-winding assembly is arranged, the driving unit drives the transmission shaft and the spiral blade to rotate, the small submarine moves in the water body, in the process, the transmission shaft drives the first gear, the second gear, the ring gear, the connecting block, the annular block and the cutting knife to rotate, the rotating cutting knife cuts off the water plants, fishing nets and other impurities around the spiral blade and the sealing shaft sleeve, and the winding risk and the leakage risk are reduced.

[0024] 2、In the utility model, the auxiliary heat dissipation assembly is arranged, in the rotating process of the ring gear, the liquid bag is extruded through the protruding block, the roller, the connecting rod and the sliding plate, the liquid in the liquid bag is transported into the cooling channel in the inside of the bearing seat through the liquid outlet pipe, the bearing is assisted to be cooled, the lubrication failure caused by high temperature is reduced, the friction loss is reduced, more power is converted into propulsive force, the propulsive efficiency is indirectly improved, and the stable transmission effect between the bearing and the transmission shaft is assisted to be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0026] Figure 2 It is the whole structure schematic view of the anti-winding assembly and the bearing seat in the utility model;

[0027] Figure 3 It is the inside three-dimensional structure schematic view of the mounting box and the connecting box in the utility model;

[0028] Figure 4 It is the inside three-dimensional structure schematic view of the mounting box and the connecting box in the utility model Figure 3A local enlarged structural schematic view of the part A.

[0029] Legend:

[0030] 1, drive shaft; 2, spiral blade; 3, drive unit; 4, bearing seat; 5, bearing; 6, sealing sleeve; 7, anti-winding assembly; 701, mounting box; 702, first gear; 703, second gear; 704, fixed shaft; 705, ring gear; 706, sealing disc; 707, connecting block; 708, ring block; 709, cutting knife; 8, auxiliary heat dissipation assembly; 801, connecting box; 802, spring; 803, sliding plate; 804, connecting rod; 805, roller; 806, protrusion; 807, liquid tank; 808, liquid outlet pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of driving structure for small submarine underwater movement, including drive shaft 1, drive shaft 1 one end is fixedly connected with spiral blade 2, drive shaft 1 other end is provided with bearing seat 4, bearing 5 and drive unit 3, drive shaft 1 outside one side is provided with anti-winding assembly 7, anti-winding assembly 7 relative bearing seat 4 one side is provided with auxiliary heat dissipation assembly 8;

[0033] The anti-winding assembly 7 comprises a mounting box 701, a first gear 702 is arranged at the center of the inside of the mounting box 701, a second gear 703 is meshed and connected on one side of the first gear 702, an annular gear 705 is meshed and connected away from one side of the second gear 703, a connecting block 707 is fixedly connected on one side of the annular gear 705, an annular block 708 is fixedly connected away from one side of the connecting block 707, a plurality of cutting knives 709 are fixedly connected to the inner circumferential side of the annular block 708, the bearing 5 is rotatably connected to the outer circumferential side of the transmission shaft 1, the bearing seat 4 is arranged on the outer circumferential side of the bearing 5, and the bearing seat 4 is arranged between the driving unit 3 and the spiral blade 2, the sealing shaft sleeve 6 is sleeved on one side of the outer side of the transmission shaft 1, the cooling channel is arranged at the center of the inside of the bearing seat 4, the cooling channel is arranged on the outer circumferential side of the bearing 5, the fixed shaft 704 is fixedly connected in the inside of the second gear 703, the fixed shaft 704 is rotatably connected in the inside of the mounting box 701, the mounting box 701 is rotatably sealed on the outer circumferential side of the transmission shaft 1, the annular block 708 is arranged on the outside of the mounting box 701, the connecting block 707 is rotatably connected to the inner circumferential side of the mounting box 701 through the first rotary sealing sleeve on the outer circumferential side of the connecting block 707, the sealing disc 706 is rotatably connected to the inner circumferential side of the connecting block 707 through the second rotary sealing sleeve, the sealing disc 706 is fixedly connected to the inner wall of the mounting box 701 through the mounting frame, the cutting knives 709 are arranged on one side of the sealing shaft sleeve 6, and the cutting knives 709 are arranged between the sealing shaft sleeve 6 and the spiral blade 2.

[0034] Specifically, the sealing shaft sleeve 6 and the transmission shaft 1 are installed into the reserved hole of the small external submarine, then the spiral blade 2 is installed on the outer circumferential side of the transmission shaft 1 and arranged on the bottom side of the small external submarine, the driving unit 3, the bearing seat 4 and the bearing 5 fixedly arranged on the inner wall of the small external submarine are connected with the transmission shaft 1, then the mounting box 701 is fixedly connected with the outer wall of the small external submarine, the transmission shaft 1 and the spiral blade 2 are driven to rotate by the driving unit 3, so that the small submarine moves in the water, in the process, the first gear 702 is driven to rotate by the transmission shaft 1, the power is transmitted to the second gear 703 by the linkage effect between the first gear 702 and the second gear 703, the second gear 703 drives the annular gear 705, the connecting block 707, the annular block 708 and the cutting knives 709 to rotate, the rotating cutting knives 709 cut off the weeds, fishing nets and other impurities around the spiral blade 2 and the sealing shaft sleeve 6, which reduces the risk of winding and leakage, and the transmission difference between the second gear 703 and the annular gear 705 reduces the rotating speed of the cutting knives 709, which further reduces the cavitation noise of the cutting knives 709 in use.

[0035] The auxiliary heat dissipation assembly 8 comprises a connecting box 801, one side of the connecting box 801 is fixedly connected with the outer peripheral side of the mounting box 701, a rectangular through hole is formed at the joint of the connecting box 801 and the mounting box 701, the inside of the connecting box 801 is fixedly connected with springs 802 on both sides, the other side of the spring 802 is fixedly connected with a sliding plate 803, the sliding plate 803 is slidingly connected in the inside of the connecting box 801, the center of one side of the sliding plate 803 relative to the spring 802 is fixedly connected with a connecting rod 804, the other end of the connecting rod 804 is fixedly connected with a roller 805, the roller 805 is slidingly connected in the rectangular through hole, the side, away from the connecting rod 804, of the roller 805 is provided with a protruding block 806, the side, away from the connecting rod 804, of the protruding block 806 is fixedly connected with the outer wall of the ring gear 705, the side, away from the connecting rod 804, of the sliding plate 803 is fixedly connected with a liquid bag 807, the other side of the liquid bag 807 is fixedly connected with the inner wall of the connecting box 801, one side of the liquid bag 807 is communicated with a liquid inlet pipe, the other end of the liquid inlet pipe is communicated with an external cooling liquid supply device, the other side of the liquid bag 807 is communicated with a liquid outlet pipe 808, unidirectional valves are arranged on the liquid outlet pipe 808 and the liquid inlet pipe, and the end, away from the liquid bag 807, of the liquid outlet pipe 808 is communicated with a cooling channel formed in the inside of the bearing seat 4.

[0036] Specific embodiments: During the rotation of the ring gear 705, the roller 805 is extruded by the protruding block 806, the connecting rod 804 and the sliding plate 803 are driven by the roller 805 to extrude the liquid bag 807, the liquid in the liquid bag 807 is transported to the inside of the bearing seat 4 through the liquid outlet pipe 808 to assist in cooling the bearing 5, the lubrication failure caused by high temperature is reduced, the friction loss is reduced, more power is converted into propulsion, the propulsion efficiency is indirectly improved, and the stable transmission effect between the bearing 5 and the transmission shaft 1 is assisted to be ensured, wherein an exhaust pipe is communicated with the other side of the cooling channel according to actual needs.

[0037] Working principle: in use, first, the sealing bush 6 and the transmission shaft 1 are installed into the reserved hole of the external small submarine, then the helical blade 2 is installed to the outer peripheral side of the transmission shaft 1, and the helical blade 2 is at the outside bottom side of the external small submarine, then the driving unit 3 fixed to the inner wall of the external small submarine, the bearing seat 4 and the bearing 5 are connected with the transmission shaft 1, then the installation box 701 is fixedly connected with the outer wall of the external small submarine, the transmission shaft 1 and the helical blade 2 are driven to rotate by the driving unit 3, so that the small submarine moves in the water, in the process, the first gear 702 is driven to rotate by the transmission shaft 1, the power is transmitted to the second gear 703 by the linkage effect between the first gear 702 and the second gear 703, so that the second gear 703 drives the ring gear 705, the connecting block 707, the ring block 708 and the cutting knife 709 to rotate, the risk of winding and leakage is reduced, and the roller 805 is extruded by the convex block 806 in the rotating process of the ring gear 705, so that the roller 805 drives the connecting rod 804 and the sliding plate 803 to extrude the liquid bag 807, the liquid in the liquid bag 807 is transported to the inside of the bearing seat 4 through the liquid outlet pipe 808, so as to assist in cooling the bearing 5, convenient to use.

[0038] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drive structure for underwater movement of a small submarine, comprising a drive shaft (1), characterized in that: One end of the drive shaft (1) is fixedly connected to a spiral blade (2), and the other end of the drive shaft (1) is provided with a bearing seat (4), a bearing (5) and a drive unit (3). An anti-winding component (7) is provided on one side of the drive shaft (1), and an auxiliary heat dissipation component (8) is provided on the side of the anti-winding component (7) opposite to the bearing seat (4). The anti-winding component (7) includes a mounting box (701). A first gear (702) is provided at the center of the mounting box (701). A second gear (703) is meshed with one side of the first gear (702). A ring gear (705) is meshed with the side of the second gear (703) away from the first gear (702). A connecting block (707) is fixedly connected to one side of the ring gear (705). A ring block (708) is fixedly connected to the side of the connecting block (707) away from the ring gear (705). A plurality of cutting blades (709) are fixedly connected to the inner circumference of the ring block (708).

2. The underwater driving structure for a small submarine according to claim 1, characterized in that: The bearing (5) is rotatably connected to the outer periphery of the transmission shaft (1). The bearing seat (4) is located on the outer periphery of the bearing (5) and is located between the drive unit (3) and the spiral blade (2). A sealing bushing (6) is fitted on the outer side of the transmission shaft (1). A cooling channel is provided at the center of the bearing seat (4) and is located on the outer periphery of the bearing (5).

3. The underwater driving structure for a small submarine according to claim 2, characterized in that: The second gear (703) is fixedly connected to a fixed shaft (704), which is rotatably connected to the inside of the mounting box (701). The mounting box (701) is sealed to the outer periphery of the transmission shaft (1) by a bearing.

4. The underwater driving structure for a small submarine according to claim 3, characterized in that: The annular block (708) is disposed on the outside of the mounting box (701). The outer periphery of the connecting block (707) is rotatably connected to the inner periphery of the mounting box (701) through the first rotating sealing sleeve. The inner periphery of the connecting block (707) is rotatably connected to the sealing disc (706) through the second rotating sealing sleeve. The sealing disc (706) is fixedly connected to the inner wall of the mounting box (701) through the mounting bracket.

5. The underwater driving structure for a small submarine according to claim 4, characterized in that: The cutting blade (709) is disposed on one side of the sealing bushing (6), and the cutting blade (709) is disposed between the sealing bushing (6) and the spiral blade (2).

6. The underwater driving structure for a small submarine according to claim 5, characterized in that: The auxiliary heat dissipation component (8) includes a connecting box (801), one side of which is fixedly connected to the outer periphery of the mounting box (701), and a rectangular through hole is provided at the junction of the connecting box (801) and the mounting box (701).

7. The underwater driving structure for a small submarine according to claim 6, characterized in that: Springs (802) are fixedly connected to both sides inside the connecting box (801). A sliding plate (803) is fixedly connected to the other side of the spring (802). The sliding plate (803) is slidably connected inside the connecting box (801). A connecting rod (804) is fixedly connected to the center of the side of the sliding plate (803) opposite to the spring (802). A roller (805) is fixedly connected to the other end of the connecting rod (804). The roller (805) is slidably connected inside the rectangular through hole. A protrusion (806) is provided on the side of the roller (805) away from the connecting rod (804). The side of the protrusion (806) away from the connecting rod (804) is fixedly connected to the outer wall of the ring gear (705).

8. The underwater driving structure for a small submarine according to claim 7, characterized in that: A liquid bladder (807) is fixedly connected to the side of the sliding plate (803) away from the connecting rod (804). The other side of the liquid bladder (807) is fixedly connected to the inner wall of the connecting box (801). One side of the liquid bladder (807) is connected to an inlet pipe, and the other end of the inlet pipe is connected to an external coolant supply device. The other side of the liquid bladder (807) is connected to an outlet pipe (808). Both the outlet pipe (808) and the inlet pipe are equipped with one-way valves. The end of the outlet pipe (808) away from the liquid bladder (807) is connected to a cooling channel opened inside the bearing seat (4).

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