Detachable propeller of high-speed aluminum alloy law enforcement boat

Abstract

The detachable propeller of the high-speed aluminum alloy law enforcement boat is applied to the field of law enforcement boats and comprises a power assembly, a rotating block and an installation block, the rotating block is fixedly arranged on an output shaft of the power assembly, an installation mechanism is arranged between the rotating block and the installation block, the installation block is provided with a propeller mechanism, and the propeller mechanism is arranged on the installation block. By arranging the mounting mechanism, during use, a first mounting plate is firstly fixed on a mounting block, a second mounting plate is fixed on a rotating block, a fixing bolt penetrates through a fixing hole to fix the rotating block and the mounting block, and meanwhile, a positioning assembly can position the mounting block and the rotating block; the fixing holes in the first mounting plate and the second mounting plate can be aligned, fixing bolts can conveniently fix the mounting blocks and the rotating blocks, and when the mounting blocks need to be disassembled, only the fixing bolts need to be taken down.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of law enforcement boat, especially relates to a detachable propeller of high -speed aluminium alloy law enforcement boat. BACKGROUND

[0002] In modern water law enforcement and patrol task, high -speed law enforcement boat is widely used because of its quick response and high -efficient execution characteristics, aluminium alloy as a kind of high -strength, corrosion -resistant material, has remarkable advantages in manufacturing this kind of law enforcement boat, aluminium alloy law enforcement boat is not only light and durable, and performs outstandingly in harsh water environment, has excellent stability and navigation performance, makes it become the powerful tool of water law enforcement department, propeller as the power output component of law enforcement boat, its performance and reliability are directly related to the navigation efficiency and safety of law enforcement boat.

[0003] The utility model discloses a detachable propeller, which is provided with a shaft hub, a paddle and an end cover. The shaft hub side surface is provided with a paddle insertion slot along the axial direction. The paddle insertion slot has a distance in the depth direction, and the distance between the two opposite side walls of the paddle insertion slot gradually increases within the distance. A plurality of paddle insertion slots are uniformly distributed along the circumference of the shaft hub. The paddle includes an insertion part, and the shape of the insertion part is matched with the shape of the paddle insertion slot. The insertion part is inserted into the paddle insertion slot to connect the paddle and the shaft hub. The end cover is arranged at both ends of the shaft hub to limit the paddle in the axial direction of the shaft hub. The spiral insertion structure of the paddle and the hub of the composite material propeller can effectively improve the strength and rigidity of the connection structure, and ensure the stability of the propeller during operation.

[0004] When using the patent, the propeller needs to be installed and fixed by bolts. However, when installing by bolts, the bolt holes are not easy to align, which increases the difficulty of installing and dismounting the propeller. UTILITY MODEL CONTENTS

[0005] The utility model discloses a detachable propeller of high -speed aluminium alloy law enforcement boat, solves the problem that the existing detachable propeller needs to be installed and fixed by bolts when using, but the bolt holes are not easy to align when installing by bolts, which increases the difficulty of installing and dismounting the propeller.

[0006] The technical purpose is achieved through the following technical scheme, a detachable propeller of a high-speed aluminum alloy law enforcement boat, comprising a power assembly, a rotating block and a mounting block, the rotating block is fixedly arranged on an output shaft of the power assembly, an installation mechanism is arranged between the rotating block and the mounting block, and a propeller mechanism is arranged on the mounting block.

[0007] The installation mechanism comprises a first mounting plate, a second mounting plate, fixing holes, fixing bolts and a positioning assembly, the first mounting plate is fixedly arranged on the mounting block, the second mounting plate is fixedly arranged on the rotating block, the fixing holes are arranged on the first mounting plate and the second mounting plate, the fixing holes are evenly arranged in a plurality of numbers, the fixing bolts are arranged in the fixing holes, and the positioning assembly is arranged between the rotating block and the mounting block.

[0008] The technical scheme has the following advantages: the power assembly, the rotating block, the mounting block, the installation mechanism and the propeller mechanism are arranged, in use, the rotating block can be driven to rotate by the power assembly, then the propeller mechanism is fixed on the mounting block, the mounting block is fixed on the rotating block through the installation mechanism, the installation mechanism can facilitate the disassembly of the mounting block, the installation mechanism comprises the first mounting plate, the second mounting plate, the fixing holes, the fixing bolts and the positioning assembly, in use, the first mounting plate is fixed on the mounting block, the second mounting plate is fixed on the rotating block, the rotating block and the mounting block can be fixed through the fixing bolts passing through the fixing holes, the positioning assembly can position the positions of the rotating block and the mounting block, the fixing holes on the first mounting plate and the second mounting plate can be aligned, the fixing bolts can be used for fixing the rotating block and the mounting block, and when the mounting block needs to be disassembled, the fixing bolts only need to be removed.

[0009] Further, the positioning assembly comprises a positioning cavity, a positioning column, a spring slot, a sliding slot, a spring, a striking block and a striking slot, the positioning cavity is arranged in the interior of the rotating block, the positioning column is fixedly arranged on the mounting block, the positioning column is arranged in the interior of the positioning cavity, the spring slot is arranged on the inner wall of the positioning cavity, the sliding slot is arranged on one side of the spring slot, the spring is fixedly arranged in the spring slot, the striking block is slidingly arranged in the sliding slot, one end of the striking block is fixedly connected with the spring, and the striking slot is arranged on the positioning column.

[0010] The technical scheme is adopted, the positioning cavity, the positioning column, the elastic spring groove, the sliding groove, the spring, the impact block and the impact groove are arranged, in use, the positioning column is first inserted into the positioning cavity, the positioning column can extrude the impact block, the impact block slides in the sliding groove, then the spring is extruded, when the positioning column reaches the bottom of the positioning cavity, the positioning column is rotated, the impact block contacts the impact groove, the force generated by the spring restores the deformation, the impact block is impacted into the impact groove, when the impact sound is heard, it is proved that the fixing holes on the first mounting plate and the second mounting plate are aligned.

[0011] Further, the propeller mechanism comprises a mounting seat, a connecting rod and a paddle, the mounting seat is fixedly arranged on the mounting block, the connecting rod is arranged on the mounting seat, the connecting rod is detachably and rotatably arranged with the mounting seat, and the paddle is arranged on the connecting rod.

[0012] The technical scheme is adopted, the mounting seat, the connecting rod and the paddle are arranged, in use, the mounting seat is first fixed on the mounting block, then the paddle is detachably arranged in the mounting seat through the connecting rod, when one of the paddles is damaged, the paddle can be individually detached, then the paddle can be rotated on the mounting seat through the motor control, the angle is adjusted, and the propelling efficiency of the paddle under different speeds and navigation conditions is optimized.

[0013] Further, the power assembly is fixedly connected with a fixing sleeve, the fixing sleeve is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with a welding plate.

[0014] The technical scheme is adopted, the fixing sleeve, the fixing plate and the welding plate are arranged, in use, the fixing sleeve is first fixed on the power assembly, then the welding plate is fixed in the fixing sleeve through the fixing plate, and then the power assembly is welded at the bottom of the law enforcement boat through the welding plate, so that the propeller mechanism is fixed.

[0015] Further, the first mounting plate and the second mounting plate are provided with a fixing cavity, a lead screw is arranged in the fixing cavity, and lock nuts are threadedly connected to both ends of the lead screw.

[0016] The technical scheme is adopted, the fixing cavity, the lead screw and the lock nut are arranged, in use, the fixing cavity is first arranged on the first mounting plate and the second mounting plate, then the lead screw is fixed in the fixing cavity, and then both ends of the lead screw are fixed through the lock nut, so that the lead screw is fixed in the fixing cavity, and loosening of the fixing bolt is avoided.

[0017] Further, the end of the impact block close to the impact groove is provided with an inclined portion.

[0018] By means of the above technical scheme, the inclined part can facilitate the impact block to enter the impact groove when in use.

[0019] Further, the mounting block is conical.

[0020] By means of the above technical scheme, the conical mounting block can reduce the resistance between the propeller mechanism and water.

[0021] Further, the surface of the positioning column is provided with a smooth coating to reduce the friction between the positioning column and the positioning cavity.

[0022] By means of the above technical scheme, the smooth surface of the positioning column can reduce the friction between the positioning column and the positioning cavity and facilitate the rotation of the positioning column in the positioning cavity when in use.

[0023] In summary, the utility model has the following beneficial effects:

[0024] By means of the above technical scheme, the first mounting plate is fixed on the mounting block, and the second mounting plate is fixed on the rotating block when in use.

[0025] By means of the above technical scheme, the first mounting plate is fixed on the mounting block, and the second mounting plate is fixed on the rotating block when in use.

[0026] Based on the above improvements, the overall technical effect of the device is that the positioning assembly can align the fixing holes between the first mounting plate and the second mounting plate, the locking bolt can fix the first mounting plate and the second mounting plate, the bolt can fix the propeller mechanism, and the propeller mechanism can be easily disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic view of the utility model;

[0028] Figure 2 is the left view of the utility model;

[0029] Figure 3is the utility model discloses Figure 2 The middle A-A place stereogram section view;

[0030] Figure 4 The utility model discloses a propeller mechanism's structure schematic diagram;

[0031] Figure 5 The utility model discloses a fixed cavity, screw rod and lock nut's structure schematic diagram;

[0032] Figure 6 The utility model discloses a positioning cavity and positioning column's structure schematic diagram;

[0033] Figure 7 The utility model discloses Figure 3 The middle A place enlarged view.

[0034] In the drawing, 1, power assembly;2, rotating block;3, mounting block;4, mounting mechanism;5, propeller mechanism;6, fixed sleeve;7, fixed plate;8, welding plate;9, fixed cavity;10, screw rod;11, lock nut;12, inclined portion;401, first mounting plate;402, second mounting plate;403, fixed hole;404, fixed bolt;405, positioning assembly;501, mounting seat;502, connecting rod;503, paddle;4051, positioning cavity;4052, positioning column;4053, spring groove;4054, sliding groove;4055, spring;4056, impact block;4057, impact groove. DETAILED DESCRIPTION

[0035] The utility model makes further detailed description in combination with the drawings. EMBODIMENT

[0036] Please refer to Figures 1-7 The utility model provides technical scheme: a detachable propeller of high -speed aluminum alloy law enforcement boat, including power assembly 1, rotating block 2 and mounting block 3, rotating block 2 is fixedly arranged on the output shaft of power assembly 1, and is provided with mounting mechanism 4 between rotating block 2 and mounting block 3, and is provided with propeller mechanism 5 on mounting block 3;

[0037] Mounting mechanism 4 includes first mounting plate 401, second mounting plate 402, fixed hole 403, fixed bolt 404 and positioning assembly 405, and first mounting plate 401 is fixedly arranged on mounting block 3, and second mounting plate 402 is fixedly arranged on rotating block 2, and fixed hole 403 is opened on first mounting plate 401 and second mounting plate 402, and the number of fixed hole 403 is several and evenly arranged, and fixed bolt 404 is arranged in fixed hole 403, and positioning assembly 405 is between rotating block 2 and mounting block 3, and positioning assembly 405 is used for aligning fixed hole 403 on first mounting plate 401 and second mounting plate 402.

[0038] By setting the power assembly 1, the rotating block 2, the mounting block 3, the mounting mechanism 4 and the propeller mechanism 5, in use, first the power assembly 1 can drive the rotating block 2 to rotate, then the propeller mechanism 5 is fixed on the mounting block 3, the mounting block 3 is fixed on the rotating block 2 through the mounting mechanism 4, the mounting mechanism 4 can facilitate the mounting block 3 to be disassembled, wherein the mounting mechanism 4 comprises a first mounting plate 401, a second mounting plate 402, a fixing hole 403, a fixing bolt 404 and a positioning assembly 405, in use, first the first mounting plate 401 is fixed on the mounting block 3, the second mounting plate 402 is fixed on the rotating block 2, the rotating block 2 and the mounting block 3 are fixed through the fixing bolt 404 passing through the fixing hole 403, and the positioning assembly 405 can position the position of the mounting block 3 and the rotating block 2, so that the fixing hole 403 on the first mounting plate 401 and the second mounting plate 402 can be aligned, facilitating the fixing bolt 404 to fix the mounting block 3 and the rotating block 2, when the mounting block 3 needs to be disassembled, only the fixing bolt 404 needs to be removed.

[0039] Reference Figure 6 And Figure 7 The positioning assembly 405 comprises a positioning cavity 4051, a positioning column 4052, a spring slot 4053, a sliding slot 4054, a spring 4055, a striking block 4056 and a striking slot 4057, the positioning cavity 4051 is arranged in the interior of the rotating block 2, the positioning column 4052 is fixedly arranged on the mounting block 3, the positioning column 4052 is located in the interior of the positioning cavity 4051, the spring slot 4053 is arranged on the inner wall of the positioning cavity 4051, the sliding slot 4054 is arranged on one side of the spring slot 4053, the spring 4055 is fixedly arranged in the interior of the spring slot 4053, the striking block 4056 is slidingly arranged in the interior of the sliding slot 4054, the striking block 4056 is fixedly connected with one end of the spring 4055, and the striking slot 4057 is arranged on the positioning column 4052.

[0040] By arranging the positioning cavity 4051, the positioning column 4052, the spring slot 4053, the sliding slot 4054, the spring 4055, the striking block 4056 and the striking slot 4057, in use, first the positioning column 4052 is inserted into the positioning cavity 4051, at this time the positioning column 4052 can extrude the striking block 4056, so that the striking block 4056 slides in the sliding slot 4054, then the spring 4055 is extruded, when the positioning column 4052 reaches the bottom of the positioning cavity 4051, the positioning column 4052 is rotated, so that the striking block 4056 is in contact with the striking slot 4057, at this time the spring 4055 restores the force generated by the deformation, so that the striking block 4056 strikes into the striking slot 4057, when the striking sound is heard, it proves that the fixing holes 403 on the first mounting plate 401 and the second mounting plate 402 are aligned.

[0041] ReferenceFigure 4 The propeller mechanism 5 comprises a mounting seat 501, a connecting rod 502 and a blade 503, the mounting seat 501 is fixedly arranged on the mounting block 3, the connecting rod 502 is arranged on the mounting seat 501, the connecting rod 502 is detachably and rotatably arranged with the mounting seat 501, and the blade 503 is arranged on the connecting rod 502. The blade 503 is rotatably arranged on the mounting seat 501 through motor control. By arranging the mounting seat 501, the connecting rod 502 and the blade 503, in use, the mounting seat 501 is first fixed on the mounting block 3, then the blade 503 is detachably arranged in the mounting seat 501 through the connecting rod 502, when one of the blades 503 is damaged, the blade 503 can be individually disassembled, and then the blade 503 can be rotated on the mounting seat 501 through motor control to adjust the angle, so as to optimize the propelling efficiency of the blade 503 under different speeds and navigation conditions.

[0042] With reference to Figure 1 The power assembly 1 is fixedly connected with a fixing sleeve 6, the fixing sleeve 6 is fixedly connected with a fixing plate 7, and the fixing plate 7 is fixedly connected with a welding plate 8. By arranging the fixing sleeve 6, the fixing plate 7 and the welding plate 8, in use, the fixing sleeve 6 is first fixed on the power assembly 1, then the welding plate 8 is fixed in the fixing sleeve 6 through the fixing plate 7, and then the power assembly 1 can be welded to the bottom of the law enforcement boat through the welding plate 8, so as to fix the propeller mechanism 5.

[0043] With reference to Figure 5 The first mounting plate 401 and the second mounting plate 402 are provided with a fixing cavity 9, and the fixing cavity 9 is provided with a lead screw 10, and the two ends of the lead screw 10 are threadedly connected with lock nuts 11. By arranging the fixing cavity 9, the lead screw 10 and the lock nuts 11, in use, the fixing cavity 9 is first arranged on the first mounting plate 401 and the second mounting plate 402, then the lead screw 10 is fixed in the fixing cavity 9, and then the two ends of the lead screw 10 are fixed through the lock nuts 11, so that the lead screw 10 is fixed in the fixing cavity 9, and the fixed bolts 404 are prevented from loosening.

[0044] With reference to Figure 7 The impact block 4056 is provided with an inclined portion 12 close to one end of the impact groove 4057. By arranging the inclined portion 12, in use, the inclined portion 12 can facilitate the impact block 4056 to enter the impact groove 4057.

[0045] With reference to Figure 1 The mounting block 3 is conical. By arranging the shape of the mounting block 3, the conical mounting block 3 can reduce the resistance of the propeller mechanism 5 to water.

[0046] With reference to Figure 6The surface of the positioning column 4052 is provided with a smooth coating for reducing the friction between the positioning column 4052 and the positioning cavity 4051. By providing a smooth surface of the positioning column 4052, the friction between the positioning column 4052 and the positioning cavity 4051 can be reduced in use, and the positioning column 4052 can be conveniently rotated in the positioning cavity 4051.

[0047] Brief description of the use process:

[0048] In use, first, the first mounting plate 401 is fixed on the mounting block 3, and the second mounting plate 402 is fixed on the rotating block 2. The rotating block 2 and the mounting block 3 can be fixed by the fixing bolt 404 passing through the fixing hole 403. At the same time, the position of the mounting block 3 and the rotating block 2 can be positioned by the positioning assembly 405, so that the fixing hole 403 on the first mounting plate 401 and the second mounting plate 402 can be aligned, and the fixing bolt 404 can be used to fix the mounting block 3 and the rotating block 2. When the mounting block 3 needs to be disassembled, only the fixing bolt 404 needs to be removed. The fixing cavity 9 is provided on the first mounting plate 401 and the second mounting plate 402. Then the lead screw 10 is fixed in the fixing cavity 9, and then the two ends of the lead screw 10 are fixed by the locking nut 11, so that the lead screw 10 is fixed in the fixing cavity 9, which can avoid the loosening of the fixing bolt 404. The mounting seat 501 is fixed on the mounting block 3, and then the paddle 503 is detachably arranged in the mounting seat 501 through the connecting rod 502. When one of the paddles 503 is damaged, the paddle 503 can be individually disassembled. Then the paddle 503 can be rotated on the mounting seat 501 through motor control to adjust the angle, thereby optimizing the propulsion efficiency of the paddle 503 under different speeds and navigation conditions.

[0049] Then, the positioning column 4052 is inserted into the positioning cavity 4051, and at this time the positioning column 4052 can extrude the impact block 4056, so that the impact block 4056 slides in the sliding groove 4054. Then the spring 4055 is extruded. When the positioning column 4052 reaches the bottom of the positioning cavity 4051, the positioning column 4052 is rotated, so that the impact block 4056 is in contact with the impact groove 4057. At this time, the force generated by the recovery of the deformation of the spring 4055 makes the impact block 4056 hit into the impact groove 4057. When the impact sound is heard, it proves that the fixing holes 403 on the first mounting plate 401 and the second mounting plate 402 are aligned.

[0050] Finally, the fixing sleeve 6 is fixed on the power assembly 1, and then the welding plate 8 is fixed in the fixing sleeve 6 through the fixing plate 7. Then the power assembly 1 can be welded to the bottom of the law enforcement boat through the welding plate 8, so as to fix the propeller mechanism 5.

[0051] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a modification without creative contribution can be made to the embodiment according to needs by a person skilled in the art after reading the specification, but as long as the modification is within the scope of the claims of the utility model, the utility model is protected by the patent law.

Claims

1. A detachable propeller for a high-speed aluminum alloy law enforcement boat, comprising a power unit (1), a rotating block (2), and a mounting block (3), characterized in that: The rotating block (2) is fixedly mounted on the output shaft of the power assembly (1), and a mounting mechanism (4) is provided between the rotating block (2) and the mounting block (3). A propeller mechanism (5) is provided on the mounting block (3). The mounting mechanism (4) includes a first mounting plate (401), a second mounting plate (402), fixing holes (403), fixing bolts (404), and a positioning component (405). The first mounting plate (401) is fixedly mounted on the mounting block (3), and the second mounting plate (402) is fixedly mounted on the rotating block (2). The fixing holes (403) are opened on the first mounting plate (401) and the second mounting plate (402). The number of fixing holes (403) is several and evenly arranged. The fixing bolts (404) are set in the fixing holes (403). The positioning component (405) is positioned between the rotating block (2) and the mounting block (3). The positioning component (405) is used to align the fixing holes (403) on the first mounting plate (401) and the second mounting plate (402).

2. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 1, characterized in that: The positioning assembly (405) includes a positioning cavity (4051), a positioning post (4052), a spring groove (4053), a sliding groove (4054), a spring (4055), an impact block (4056), and an impact groove (4057). The positioning cavity (4051) is located inside the rotating block (2). The positioning post (4052) is fixedly mounted on the mounting block (3). The positioning post (4052) is located inside the positioning cavity (4051). The groove (4053) is opened on the inner wall of the positioning cavity (4051), the sliding groove (4054) is opened on one side of the spring groove (4053), the spring (4055) is fixedly installed inside the spring groove (4053), the impact block (4056) is slidably installed inside the sliding groove (4054), the impact block (4056) is fixedly connected to one end of the spring (4055), and the impact groove (4057) is opened on the positioning post (4052).

3. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 1, characterized in that: The propeller mechanism (5) includes a mounting base (501), a connecting rod (502), and a blade (503). The mounting base (501) is fixedly mounted on the mounting block (3). The connecting rod (502) is mounted on the mounting base (501). The connecting rod (502) is detachable from the mounting base (501) and can be rotated. The blade (503) is mounted on the connecting rod (502). The blade (503) can be rotated on the mounting base (501) by a motor control.

4. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 1, characterized in that: A fixing sleeve (6) is fixedly connected to the power assembly (1), a fixing plate (7) is fixedly connected to the fixing sleeve (6), and a welding plate (8) is fixedly connected to the fixing plate (7).

5. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 1, characterized in that: The first mounting plate (401) and the second mounting plate (402) are provided with a fixing cavity (9), and a screw rod (10) is provided in the fixing cavity (9). Locking nuts (11) are threaded to both ends of the screw rod (10).

6. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 2, characterized in that: The impact block (4056) has an inclined part (12) at one end near the impact groove (4057).

7. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 1, characterized in that: The mounting block (3) is tapered.

8. The detachable propeller of a high-speed aluminum alloy law enforcement vessel according to claim 2, characterized in that: The surface of the positioning post (4052) is provided with a smooth coating to reduce the friction between the positioning post (4052) and the positioning cavity (4051).

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