Propulsion device of underwater robot
By introducing propeller guards, anti-entanglement components, and disassembly/removal components into the underwater robot's propulsion device, the vibration problem caused by debris entanglement was solved, improving operational efficiency and lifespan, and achieving convenient cleaning results.
Patent Information
- Application Number
- CN202520288477.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-21
AI Technical Summary
When existing underwater robot propulsion systems are in operation, weeds and debris in the water can easily get tangled on the propeller, causing vibration and affecting operational efficiency and service life.
A propulsion device including a propeller guard, an anti-entanglement component, and a disassembly component was designed. The anti-entanglement component blocks debris through an L-shaped hook plate and a fixing plate, and the disassembly component facilitates the cleaning of entangled materials and prevents debris from entering the propeller guard.
This effectively prevents debris from getting tangled on the propeller, improving operational efficiency and service life, and making it easier to clean up tangled debris, thus extending the propeller's lifespan.
Smart Images
Figure CN223850798U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underwater robot technical field, concretely is a kind of underwater robot's propelling device. BACKGROUND
[0002] Underwater robot is also called unmanned remote control submersible, and it is an extreme operation robot working under water. Underwater environment is dangerous and bad, and the diving depth of human is limited, so underwater robot has become an important tool for developing ocean;
[0003] Underwater robot includes operating control console, cable winch, hanger, power supply system and underwater equipment (including repeater and submersible body), and submersible body moves under water by propeller;
[0004] However, underwater robot propeller in prior art still has some defects:
[0005] Underwater robot propeller in prior art is vibrated when rotating operation is carried out, and the operation efficiency and service life of propeller are influenced. UTILITY MODEL CONTENTS
[0006] To solve the above problems, the utility model aims at providing a kind of underwater robot's propelling device.
[0007] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of underwater robot's propelling device, the propelling device includes propeller machine shell, propeller protection cover, multi-blade propeller and rotating shaft, the propeller protection cover is fixedly arranged at one end of propeller machine shell, the multi-blade propeller is arranged inside propeller protection cover, the inside of propeller machine shell is equipped with brushless motor, one end of rotating shaft and the drive output end of brushless motor are fixedly connected, the other end of rotating shaft and the shaft center of multi-blade propeller are fixedly connected;
[0008] Anti-winding assembly is arranged on the rotating shaft, and dismounting assembly is arranged between the anti-winding assembly and the rotating shaft.
[0009] The anti-winding assembly includes a fixed plate, a plurality of L-shaped hook plates are uniformly arranged on the fixed plate, the plurality of L-shaped hook plates are inclinedly arranged on the fixed plate, two movable grooves are formed in the fixed plate, and two blades are slidably arranged in one end of the two movable grooves.
[0010] Preferably, the bottom of the two blades is fixedly provided with a fixed seat, and the one end of the two movable grooves is fixedly provided with two rubber blocks, and the opposite sides of the one fixed seat and the adjacent two rubber blocks are in interference fit.
[0011] Preferably, a U-shaped pull plate is fixedly arranged between the two fixing bases.
[0012] Preferably, the dismounting assembly comprises a square insertion rod penetrating through and fixedly connected with the fixing plate, a square insertion groove is formed in the rotating shaft, and one end of the square insertion rod is in interference fit with the inner wall of the square insertion groove.
[0013] Preferably, the dismounting assembly further comprises a limiting screw rod penetrating through and threadedly rotatably connected with the square insertion rod, a threaded hole is formed in the bottom wall of the square insertion groove, and one end of the limiting screw rod is threadedly rotatably connected with the inner wall of the threaded hole.
[0014] Preferably, a hexagonal seat is fixedly arranged at the other end of the limiting screw rod.
[0015] Preferably, a notch is formed in the propeller protection cover.
[0016] Compared with the prior art, the propeller protection cover has the advantages that:
[0017] 1. In the utility model, the fixing plate and the L-shaped hook plate are synchronous revolution in the process of rotation of the multi-blade propeller, the weeds and sundries sucked into the periphery of the propeller protection cover are wound on the fixing plate and the L-shaped hook plate, the weeds or other sundries in the water are prevented from being wound on the multi-blade propeller in the propeller protection cover, the vibration of the multi-blade propeller caused by the winding of the sundries during operation is avoided, and the operation efficiency and service life of the multi-blade propeller are improved.
[0018] 2. In the utility model, the dismounting assembly is arranged, the limiting screw rod is separated from the threaded hole, the square insertion rod is separated from the square insertion groove, the anti-winding assembly in the propeller protection cover can be taken out, and the operator can clean the wound weeds and sundries. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0020] Figure 1 It is a whole structure schematic view of the propelling device of the underwater robot.
[0021] Figure 2 It is a connection schematic view of the anti-winding assembly and the dismounting assembly and the rotating shaft.
[0022] Figure 3 This is another schematic diagram showing the connection between the anti-winding component and the disassembly component of this utility model and the rotating shaft.
[0023] Figure 4 This utility model Figure 3 Enlarged schematic diagram of part A in the diagram.
[0024] Figure 5 This is a schematic diagram showing the separation of the square plug rod and the limiting screw from the rotating shaft, as well as a cross-sectional view of the rotating shaft.
[0025] Figure 6 This utility model Figure 5 Enlarged schematic diagram of part B in the diagram.
[0026] In the diagram: 1. Propeller housing; 2. Propeller protective cover; 3. Multi-bladed propeller; 4. Rotating shaft; 5. Anti-winding assembly; 51. Fixing plate; 52. L-shaped hook plate; 53. Movable groove; 54. Blade; 55. Fixing base; 56. Rubber block; 57. U-shaped pull plate; 6. Assembly / disassembly assembly; 61. Square plug rod; 62. Square plug groove; 63. Limiting screw; 64. Threaded hole; 65. Hexagonal seat; 66. Groove. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example: Figures 1-6 As shown, this utility model provides a propulsion device for an underwater robot. The propulsion device includes a thruster housing 1, a propeller protective cover 2, a multi-bladed propeller 3, and a rotating shaft 4. The propeller protective cover 2 is fixedly installed at one end of the thruster housing 1, and the multi-bladed propeller 3 is installed inside the propeller protective cover 2. A brushless motor is installed inside the thruster housing 1. One end of the rotating shaft 4 is fixedly connected to the drive output end of the brushless motor, and the other end of the rotating shaft 4 is fixedly connected to the axis of the multi-bladed propeller 3.
[0029] The rotating shaft 4 is provided with an anti-winding assembly 5. By arranging the anti-winding assembly 5, the anti-winding assembly 5 can block the weeds or other sundries in the water, so as to avoid the weeds or other sundries in the water from entering the propeller protection cover 2 and being wound on the multi-blade propeller 3, thereby avoiding the vibration of the multi-blade propeller 3 caused by being wound by sundries during operation, improving the operation efficiency and service life of the multi-blade propeller 3. The anti-winding assembly 5 is provided with a dismounting assembly 6 between the rotating shaft 4. By arranging the dismounting assembly 6, the dismounting assembly 6 can facilitate the operator to dismount the anti-winding assembly 5, that is, the anti-winding assembly 5 can be taken out from the propeller protection cover 2 for cleaning of weeds and other sundries.
[0030] The anti-winding assembly 5 comprises a fixed plate 51, a plurality of L-shaped hook plates 52 are uniformly arranged on the fixed plate 51, and the L-shaped hook plates 52 are arranged on the fixed plate 51 in an inclined manner. By arranging the fixed plate 51 and the L-shaped hook plates 52, when the fixed plate 51 revolves around the axis of the rotating shaft 4, the L-shaped hook plates 52 revolve synchronously, and the weeds and sundries sucked in are wound on the fixed plate 51 and the L-shaped hook plates 52. Two movable grooves 53 are arranged on the fixed plate 51, and a blade 54 is slidably arranged at one end of each of the two movable grooves 53. By arranging the movable grooves 53 and the blades 54, the blades 54 can slide vertically in the movable grooves 53, so as to cut the weeds and sundries wound on the fixed plate 51.
[0031] The bottom of each of the two blades 54 is fixedly provided with a fixed seat 55, and two rubber blocks 56 are fixedly arranged at one end of each of the two movable grooves 53. One of the fixed seats 55 and the adjacent two rubber blocks 56 are in interference fit on opposite sides. By arranging the rubber blocks 56, when the fixed seat 55 descends into the interior of the two rubber blocks 56, the interference fit can limit the fixed seat 55 and the blade 54, so as to avoid the blade 54 from moving randomly. A U-shaped pull plate 57 is fixedly arranged between the two fixed seats 55. By arranging the U-shaped pull plate 57, when the sundries and weeds are cut, the U-shaped pull plate 57 can be pulled upward, and the U-shaped pull plate 57 makes the blade 54 vertically rise in the movable groove 53 through the fixed seat 55.
[0032] The disassembling and assembling component 6 comprises a square inserting rod 61 and a limiting screw rod 63, the square inserting rod 61 penetrates through the fixed plate 51 and is fixedly connected with the fixed plate 51, a square inserting groove 62 is arranged on the rotating shaft 4, one end of the square inserting rod 61 is in interference fit with the inner wall of the square inserting groove 62, by arranging the square inserting rod 61 and the square inserting groove 62, when the square inserting rod 61 is vertically inserted into the square inserting groove 62, the fixed plate 51 can be connected on the rotating shaft 4, by reverse operation, the square inserting rod 61 can be separated from the square inserting groove 62, the limiting screw rod 63 penetrates through the square inserting rod 61 and is threadedly and rotatably connected with the square inserting rod 61, a threaded hole 64 is arranged on the bottom wall of the square inserting groove 62, one end of the limiting screw rod 63 is threadedly and rotatably connected with the inner wall of the threaded hole 64, by arranging the limiting screw rod 63 and the threaded hole 64, when the square inserting rod 61 is vertically inserted into the square inserting groove 62, the limiting screw rod 63 is rotated to make the limiting screw rod 63 enter the threaded hole 64, the square inserting rod 61 can be fixed on the rotating shaft 4, the other end of the limiting screw rod 63 is fixedly provided with a hexagonal seat 65, by arranging the hexagonal seat 65, in the process of disassembling and assembling, the hexagonal seat 65 can be clamped and operated by an external wrench, a slot 66 is arranged on the propeller protection cover 2, by arranging the slot 66, the anti-winding component 5 can be vertically placed in the propeller protection cover 2, or the anti-winding component 5 can be taken out from the propeller protection cover 2 through the slot 66.
[0033] Working principle: when the multi-blade propeller 3 is rotating in water, the rotating shaft 4 makes the fixed plate 51 and the plurality of L-shaped hook plates 52 circumferentially revolve through the square inserting rod 61, because the multi-blade propeller 3 sucks water, weeds and other sundries in the water in the process of rotating, the weeds and other sundries in the water are wound on the fixed plate 51 and the plurality of L-shaped hook plates 52 in the process of circumferentially revolving, so that the weeds or other sundries in the water are prevented from entering the propeller protection cover 2 and being wound on the multi-blade propeller 3, thereby avoiding the vibration of the multi-blade propeller 3 caused by being wound by sundries in the process of working, and improving the working efficiency and service life of the multi-blade propeller 3;
[0034] When it is needed to clean the weeds and sundries that are wound, an operator first clamps the hexagonal seat 65 through a wrench, then rotates the limiting screw rod 63 through the wrench and the hexagonal seat 65 to make the limiting screw rod 63 separate from the threaded hole 64, then pulls the wrench upward, the wrench makes the square inserting rod 61 separate from the square inserting groove 62 through the hexagonal seat 65 and the limiting screw rod 63, the fixed plate 51 and the plurality of L-shaped hook plates 52 can be taken out through the slot 66, then the operator holds the U-shaped pull plate 57 and pulls the U-shaped pull plate 57 upward, the U-shaped pull plate 57 makes the two blades 54 move upward along the corresponding movable slots 53 through the two fixed seats 55, the two blades 54 cut the weeds and sundries that are wound on the fixed plate 51 in the process of moving upward.
[0035] It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application cover modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.
Claims
1. A propulsion device for an underwater robot, characterized in that The propelling device comprises a propeller casing (1), a propeller protection cover (2), a multi-blade propeller (3) and a rotating shaft (4), the propeller protection cover (2) is fixedly arranged at one end of the propeller casing (1), the multi-blade propeller (3) is arranged inside the propeller protection cover (2), a brushless motor is assembled inside the propeller casing (1), one end of the rotating shaft (4) is fixedly connected with a driving output end of the brushless motor, and the other end of the rotating shaft (4) is fixedly connected with an axis of the multi-blade propeller (3); The rotating shaft (4) is provided with an anti-winding assembly (5), and a dismounting assembly (6) is arranged between the anti-winding assembly (5) and the rotating shaft (4); The anti-winding assembly (5) comprises a fixed plate (51), a plurality of L-shaped hook plates (52) are fixedly arranged on the fixed plate (51) in a uniform distribution, the L-shaped hook plates (52) are arranged obliquely on the fixed plate (51), two movable grooves (53) are formed in the fixed plate (51), and a blade (54) is slidably arranged at one end of each movable groove (53).
2. A propulsion apparatus for an underwater robot as claimed in claim 1, wherein, The bottom of each blade (54) is fixedly provided with a fixed seat (55), one end of each movable groove (53) is fixedly provided with two rubber blocks (56), and the opposite sides of one fixed seat (55) and the adjacent two rubber blocks (56) are in interference fit.
3. A propulsion apparatus for an underwater robot as claimed in claim 2, wherein, A U-shaped pull plate (57) is fixedly arranged between the two fixed seats (55).
4. A propulsion apparatus for an underwater robot as claimed in claim 1, wherein, The dismounting assembly (6) comprises a square insertion rod (61), the square insertion rod (61) penetrates through the fixed plate (51) and is fixedly connected with the fixed plate (51), a square insertion groove (62) is formed in the rotating shaft (4), and one end of the square insertion rod (61) is in interference fit with the inner wall of the square insertion groove (62).
5. A propulsion apparatus for an underwater robot as claimed in claim 4, wherein, The dismounting assembly (6) further comprises a limiting screw (63), the limiting screw (63) penetrates through the square insertion rod (61) and is in threaded rotary connection with the square insertion rod (61), a threaded hole (64) is formed in the bottom wall of the square insertion groove (62), and one end of the limiting screw (63) is in threaded rotary connection with the inner wall of the threaded hole (64).
6. A propulsion apparatus for an underwater robot as claimed in claim 5, wherein, The other end of the limiting screw (63) is fixedly provided with a hexagonal seat (65).
7. A propulsion apparatus for an underwater robot as claimed in claim 1, wherein, A notch (66) is formed in the propeller protection cover (2).