Propeller blade mounting angle adjusting tool

Abstract

The utility model discloses a propeller blade mounting angle adjusting tool, which relates to the technical field of propellers and comprises a mounting bottom plate, a propeller hub driving mechanism is arranged on the rear side of the top of the mounting bottom plate, a propeller hub positioning mechanism is arranged on the rear side of the mounting bottom plate, and a semicircular angle adjusting plate is arranged on the front side above the mounting bottom plate. A semicircular angle adjusting plate is arranged on the mounting bottom plate, blades are arranged above the semicircular angle adjusting plate, a motor groove is formed in the mounting bottom plate, the propeller hub driving mechanism comprises a servo motor, the servo motor is fixedly mounted in an inner cavity of the motor groove, and an encoder is arranged on the outer wall of the servo motor. According to the utility model, the propeller hub driving mechanism and the propeller hub positioning mechanism are matched with each other, so that the propeller hub mounted with the propeller blades can be fixed and rotated at an accurate angle at the same time, the plurality of propeller blades can be conveniently and quickly butted and mounted, and the mounting efficiency when the plurality of propeller blades and the propeller hub are mounted is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to propeller technical field, concretely relates to propeller blade installation angle adjusting frock. BACKGROUND

[0002] Propeller refers to the blade in air or water rotation, the rotating power of engine is converted into the device of propulsive force. Propeller usually by a plurality of blades and a central boss, the blade of the slope produces reaction force when rotating, thereby propelling the aircraft or ship advances, the working principle of propeller is based on Newton's third law, namely action and reaction, when the blade with a certain angle of inclination is rotated by the boss, the slope of the blade pushes air or water backward, thereby obtaining reaction force, propelling the aircraft or ship advances, therefore the installation angle of the blade and the boss is very important. For the following problems existing in the prior art:

[0003] Because the existing propeller blade installation angle adjusting frock can only fix the boss and single blade respectively when installing the angle of the blade and the boss, after installing and fixing, the boss position is adjusted manually, the new blade angle is fixed and installed again, once the number of blades to be installed by the boss is more, the installation speed is slow, the installation efficiency of the blade and the boss is affected, and the angle of the blade that has been fixed cannot be adjusted in real time during the installation process, and needs to be fixed after adjustment, and then installed, which is also inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model provides propeller blade installation angle adjusting frock to solve the problem in the prior art.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] Propeller blade installation angle adjusting frock, including installation bottom plate, the top rear side of installation bottom plate is provided with boss drive mechanism, the rear side of installation bottom plate is provided with boss positioning mechanism, the upper front side of installation bottom plate is provided with semicircular angle adjusting plate, the upper of semicircular angle adjusting plate is provided with blade, installation bottom plate is set up motor slot, the boss drive mechanism includes servo motor, the servo motor is fixedly installed in the inner chamber of motor slot, the outer wall of servo motor is provided with encoder, the output shaft of servo motor penetrates to the top of installation bottom plate and is fixedly installed with placing disc, the top center of placing disc is fixedly installed with inserting rod, the outer wall of inserting rod is sleeved with boss;

[0007] The paddle hub positioning mechanism comprises an extension plate fixedly installed at the rear side of the mounting bottom plate, an L-shaped support plate fixedly installed at the top rear side of the extension plate, an electric push rod fixedly installed at the top front side of the horizontal part of the L-shaped support plate, an output end of the electric push rod penetrating through the bottom of the horizontal part of the L-shaped support plate and movably installed with a movable pressure plate, and the movable pressure plate being located directly above the center of the paddle hub.

[0008] Further improvement of the technical scheme of the utility model lies in that the top front side of the mounting bottom plate is provided with a sliding groove, the front side of the mounting bottom plate is fixedly installed with a motor, the output shaft of the motor penetrates through the inner cavity of the sliding groove and is fixedly installed with a threaded rod, the outer wall of the threaded rod is threadedly installed with a moving vertical plate, the moving vertical plate is slidably connected with the inner cavity of the sliding groove, and the top of the moving vertical plate is fixedly connected with the bottom of the semicircular angle adjusting plate.

[0009] Further improvement of the technical scheme of the utility model lies in that the semicircular angle adjusting plate is provided with a semicircular sliding groove at the inner ring, semicircular sliding rods are fixedly installed between the inner wall left and right sides of the semicircular sliding groove, the top of the semicircular sliding rod is provided with a paddle positioning placing plate, a pointer plate is fixedly installed at the front side of the paddle positioning placing plate, and the front side of the semicircular angle adjusting plate is fixedly coated with an angle scale line.

[0010] Further improvement of the technical scheme of the utility model lies in that the top of the paddle positioning placing plate is provided with a clamping sliding groove, a right side of the inner wall of the clamping sliding groove is movably installed with a right-and-left threaded rod, the left end of the right-and-left threaded rod penetrates through the left side of the paddle positioning placing plate and is fixedly installed with a clamping knob, the outer wall left and right sides of the right-and-left threaded rod are respectively provided with threadedly opposite threaded walls, the outer walls of the two threaded walls are threadedly installed with clamping plates, and the paddle is located between the two clamping plates.

[0011] Further improvement of the technical scheme of the utility model lies in that the rear side of the semicircular angle adjusting plate is provided with a semicircular through groove penetrating into the inner cavity of the semicircular sliding groove, the bottom of the paddle positioning placing plate is fixedly installed with a sliding block, the sliding block is provided with a left-and-right-through sliding hole, and the sliding block is slidably connected with the semicircular sliding rod through the sliding hole.

[0012] Further improvement of the technical scheme of the utility model lies in that the rear side of the sliding block is provided with a threaded hole penetrating into the sliding hole, the inner ring of the threaded hole is threadedly installed with a locking screw rod, the rear end of the locking screw rod penetrates through the semicircular through groove to the rear side of the semicircular angle adjusting plate and is fixedly installed with a locking knob.

[0013] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0014] 1. The propeller blade installation angle adjusting tool, through the cooperation between the hub driving mechanism and the hub positioning mechanism, the hub installed with the blade can be fixed and rotated at a precise angle at the same time, multiple blades can be conveniently and quickly docked and installed, and the installation efficiency of the multiple blades and the hub is improved.

[0015] 2. The propeller blade installation angle adjusting tool, through the cooperation between the semicircular angle adjusting plate, the blade positioning and placing plate, the clamping plate, the pointer plate, the angle scale line, the locking screw rod and the locking knob, the blade to be installed can still be adjusted in angle after being fixed, without the need of disassembling, re-adjusting and re-installing, so that the installation angle adjustment of the blade is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole schematic view of the utility model structure.

[0017] Figure 2 It is a schematic view of the hub driving mechanism and the hub positioning mechanism of the utility model structure.

[0018] Figure 3 It is a top view schematic view of the installation base plate of the utility model structure.

[0019] Figure 4 It is a schematic view of the semicircular angle adjusting plate of the utility model structure.

[0020] Figure 5 It is a rear view schematic view of the semicircular angle adjusting plate of the utility model structure.

[0021] In the drawing: 1, installation base plate; 11, motor slot; 12, sliding groove; 13, motor; 131, threaded rod; 132, movable vertical plate; 2, hub driving mechanism; 21, servo motor; 22, placing disc; 23, insertion rod; 24, hub; 3, hub positioning mechanism; 31, extension plate; 32, L-shaped support plate; 33, electric push rod; 34, movable pressure disc; 4, semicircular angle adjusting plate; 41, semicircular sliding groove; 411, semicircular through groove; 42, semicircular sliding rod; 43, blade positioning and placing plate; 431, sliding block; 432, threaded hole; 433, locking screw rod; 434, locking knob; 44, clamping sliding groove; 45, positive and negative threaded rod; 46, clamping knob; 47, clamping plate; 48, pointer plate; 49, angle scale line; 5, blade. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] For example, Figure 1 ,Figure 2 The utility model provides a propeller blade installation angle adjusting tool, including installation bottom plate 1, the top rear side of installation bottom plate 1 is provided with hub drive mechanism 2, the rear side of installation bottom plate 1 is provided with hub positioning mechanism 3, the upper front side of installation bottom plate 1 is provided with semicircular angle adjusting plate 4, the upper of semicircular angle adjusting plate 4 is provided with blade 5, installation bottom plate 1 is provided with motor slot 11, hub drive mechanism 2 includes servo motor 21, servo motor 21 fixed mounting is in the inner chamber of motor slot 11, the outer wall of servo motor 21 is provided with encoder, and encoder can output fine pulse signal, and the position of motor is accurately controlled, and the control accuracy and stability of motor system are greatly improved, the output shaft of servo motor 21 penetrates to the top of installation bottom plate 1 and is fixedly installed with placing disc 22, and the top center of placing disc 22 is fixedly installed with inserting rod 23, and the outer wall of inserting rod 23 is sleeved with hub 24, and hub positioning mechanism 3 includes extension plate 31, and extension plate 31 is fixedly installed at the rear side of installation bottom plate 1, and L-shaped support plate 32 is fixedly installed at the top rear side of extension plate 31, and electric push rod 33 is fixedly installed at the top front side of the level of L-shaped support plate 32, and the output end of electric push rod 33 penetrates to the bottom of the level of L-shaped support plate 32 and is movably installed with movable pressure disc 34, and movable pressure disc 34 is located just above the center of hub 24;

[0024] When installing the blade 5 and the hub 24 of the propeller, the hub 24 is clamped into the inserting rod 23 at the top center of the placing disc 22 through the hole penetrating the center of the hub 24 up and down, and is successfully placed on the top of the placing disc 22, then the electric push rod 33 at the top front side of the level of the L-shaped support plate 32 is started to drive the movable pressure disc 34 to move downward until abutting against the top of the hub 24, and the pressing and fixing are completed, when installing the blades 5 of multiple angles, the rotating speed of the servo motor 21 is controlled by the encoder to stop at the specified angle, so that the placing disc 22 and the hub 24 fixed by the movable pressure disc 34 are driven to rotate at different angles, and the rapid installation of multiple blades 5 is facilitated.

[0025] As shown in the figure, Figure 3 The top front side of the installation bottom plate 1 is provided with a sliding groove 12, the front side of the installation bottom plate 1 is fixedly installed with a motor 13, the output shaft of the motor 13 penetrates into the inner cavity of the sliding groove 12 and is fixedly installed with a threaded rod 131, the outer wall of the threaded rod 131 is threadedly installed with a moving vertical plate 132, the moving vertical plate 132 is slidingly connected with the inner cavity of the sliding groove 12, and the top of the moving vertical plate 132 is fixedly connected with the bottom of the semicircular angle adjusting plate 4;

[0026] When the paddle 5 is fixedly adjusted and installed at the angle, the motor 13 at the front side of the bottom plate 1 is started to drive the threaded rod 131 in the sliding groove 12 to rotate, and the threaded rod 131 is in threaded connection with the moving vertical plate 132, so as to drive the moving vertical plate 132 to move the semicircular angle adjusting plate 4 and the paddle 5 fixedly arranged above the semicircular angle adjusting plate 4 to the paddle hub 24 which has been fixed, so as to facilitate the installation work of the paddle 5 and the paddle installation hole of the paddle hub 24.

[0027] As shown in Figure 4 , Figure 5 , the semicircular sliding groove 41 is arranged in the inner circle of the semicircular angle adjusting plate 4, the semicircular sliding rod 42 is fixedly arranged between the left and right sides of the inner wall of the semicircular sliding groove 41, the top of the semicircular sliding rod 42 is provided with the paddle positioning and placing plate 43, the front side of the paddle positioning and placing plate 43 is fixedly provided with the pointer plate 48, the front side of the semicircular angle adjusting plate 4 is fixedly provided with the angle scale line 49, the top of the paddle positioning and placing plate 43 is provided with the clamping sliding groove 44, the right side of the inner wall of the clamping sliding groove 44 is movably provided with the right and left threaded rod 45, the left end of the right and left threaded rod 45 penetrates to the left side of the paddle positioning and placing plate 43 and is fixedly provided with the clamping knob 46, the outer wall of the right and left threaded rod 45 is provided with the threaded wall with opposite threads on the left and right sides, the outer wall of the two threaded walls is screw-mounted with the clamping plate 47, the paddle 5 is located between the two clamping plates 47, the rear side of the semicircular angle adjusting plate 4 is provided with the semicircular through groove 411 which penetrates to the inner cavity of the semicircular sliding groove 41, the bottom of the paddle positioning and placing plate 43 is fixedly provided with the sliding block 431, the sliding block 431 is provided with the sliding hole which penetrates left and right, and the sliding block 431 is slidably connected with the semicircular sliding rod 42 by the sliding hole, the rear side of the sliding block 431 is provided with the threaded hole 432 which penetrates to the sliding hole, the inner circle of the threaded hole 432 is screw-mounted with the locking screw 433, and the rear end of the locking screw 433 penetrates to the rear side of the semicircular angle adjusting plate 4 through the semicircular through groove 411 and is fixedly provided with the locking knob 434;

[0028] When installing, the paddle 5 is first placed on the top of the paddle positioning placement plate 43 in a vertical state, between the two clamping plates 47, and then the clamping knob 46 is rotated to drive the forward and reverse threaded rod 45 in the clamping sliding groove 44 to rotate, and the threaded walls on the left and right sides of the forward and reverse threaded rod 45 are connected with the two clamping plates 47 through threads, so as to drive the two clamping plates 47 to move towards each other, finally clamping the paddle 5, so that the paddle 5 is fixed in a vertical state, then the sliding block 431 at the bottom of the paddle positioning placement plate 43 is connected with the semicircular sliding rod 42 in the semicircular sliding groove 41 through sliding connection, so that the angle of the fixed paddle 5 can be rotated, and the final adjustment angle of the paddle 5 is determined by the position of the angle scale line 49 corresponding to the pointer plate 48, then the locking knob 434 is directly rotated to drive the locking screw 433 to move in the sliding hole of the sliding block 431 and the semicircular sliding rod 42 through the thread connection between the thread hole 432, until it is locked against the semicircular sliding rod 42, so as to complete the angle adjustment and fixation of the paddle 5, and when adjusting again, the locking knob 434 is reversed to make the locking screw 433 move to the rear end, but the locking screw 433 does not need to be disassembled, and the angle of the paddle positioning placement plate 43 can be directly adjusted, and the locking screw 433 can normally move in the semicircular through groove 411.

[0029] The working principle of the propeller blade installation angle adjustment tool will be described below.

[0030] As Figures 1-5As shown, in the installation of the propeller blade 5 and the hub 24, the hub 24 is placed on the top of the placement disc 22 by the insertion rod 23, and then the electric push rod 33 on the top of the L-shaped support plate 32 is started to drive the movable pressure plate 34 to move downward until it is pressed against the top of the hub 24, and the installation of the multiple-angle propeller blade 5 is completed, and the rotation of the placement disc 22 and the hub 24 fixed by the movable pressure plate 34 is driven by the encoder control servo motor 21 at a specified angle, so that the fast installation of the multiple propeller blades 5 is facilitated, and the propeller blade 5 is placed on the top of the vertical propeller positioning placement plate 43 between the two clamping plates 47, and then the clamping knob 46 is rotated to drive the right and left threaded rods 45 in the clamping sliding groove 44 to rotate, and the two clamping plates 47 are driven to move closer to each other by the threaded walls with opposite threads on the left and right sides of the threaded rods 45 and the threaded connection between the two clamping plates 47, so that the propeller blade 5 is clamped and fixed in a vertical state, and then the sliding block 431 at the bottom of the propeller positioning placement plate 43 is connected with the semicircular sliding rod 42 in the semicircular sliding groove 41, so that the angle of the fixed propeller blade 5 is rotated, and the final adjustment angle of the propeller blade 5 is determined by the position of the angle scale line 49 corresponding to the pointer plate 48, and then the locking knob 434 is directly rotated to drive the locking screw 433 to move in the sliding hole of the sliding block 431 and the semicircular sliding rod 42 by the threaded connection between the screw hole 432, until it is locked against the semicircular sliding rod 42, so that the angle adjustment and fixation of the propeller blade 5 are completed, and the angle of the propeller positioning placement plate 43 is adjusted by reversing the locking knob 434, without the need to remove the locking screw 433, so that the propeller blade 5 is fixed and adjusted at the specified angle, and then the motor 13 on the front side of the installation base plate 1 is started to drive the threaded rod 131 in the sliding groove 12 to rotate, and the semicircular angle adjustment plate 4 and the propeller blade 5 fixed above the semicircular angle adjustment plate 4 are driven to move towards the fixed hub 24 by the threaded connection between the threaded rod 131 and the movable vertical plate 132, so that the installation of the propeller blade 5 and the propeller blade mounting hole of the hub 24 is facilitated.

[0031] The above is a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. A propeller blade pitch adjustment tooling comprising a mounting base plate (1) characterised in that: The top rear side of the mounting base plate (1) is provided with a hub driving mechanism (2), the rear side of the mounting base plate (1) is provided with a hub positioning mechanism (3), the upper front side of the mounting base plate (1) is provided with a semicircular angle adjusting plate (4), the upper side of the semicircular angle adjusting plate (4) is provided with a paddle (5), the mounting base plate (1) is provided with a motor slot (11), the hub driving mechanism (2) comprises a servo motor (21), the servo motor (21) is fixedly installed in the inner cavity of the motor slot (11), the outer wall of the servo motor (21) is provided with an encoder, the output shaft of the servo motor (21) penetrates to the top of the mounting base plate (1) and is fixedly installed with a placing disc (22), the top of the placing disc (22) is fixedly installed with a plug rod (23), the outer wall of the plug rod (23) is sleeved with a hub (24). The hub positioning mechanism (3) comprises an extension plate (31), the extension plate (31) is fixedly installed on the rear side of the mounting base plate (1), the top rear side of the extension plate (31) is fixedly installed with an L-shaped support plate (32), the top front side of the horizontal part of the L-shaped support plate (32) is fixedly installed with an electric push rod (33), the output end of the electric push rod (33) penetrates to the bottom of the horizontal part of the L-shaped support plate (32) and is movably installed with a movable pressure plate (34), the movable pressure plate (34) is located directly above the center of the hub (24).

2. The propeller blade angle adjustment tooling of claim 1, wherein: The top front side of the mounting base plate (1) is provided with a sliding groove (12), the front side of the mounting base plate (1) is fixedly installed with a motor (13), the output shaft of the motor (13) penetrates to the inner cavity of the sliding groove (12) and is fixedly installed with a threaded rod (131), the outer wall of the threaded rod (131) is threadedly installed with a movable vertical plate (132), the movable vertical plate (132) is slidably connected with the inner cavity of the sliding groove (12), and the top of the movable vertical plate (132) is fixedly connected with the bottom of the semicircular angle adjusting plate (4).

3. The propeller blade angle adjustment tooling of claim 1, wherein: The inner ring of the semicircular angle adjusting plate (4) is provided with a semicircular sliding groove (41), the left and right sides of the inner wall of the semicircular sliding groove (41) are fixedly installed with a semicircular sliding rod (42), the top of the semicircular sliding rod (42) is provided with a paddle positioning plate (43), the front side of the paddle positioning plate (43) is fixedly installed with a pointer plate (48), and the front side of the semicircular angle adjusting plate (4) is fixedly coated with an angle scale line (49).

4. The propeller blade angle adjustment tooling of claim 3, wherein: The top of the paddle positioning plate (43) is provided with a clamping sliding groove (44), the inner wall of the clamping sliding groove (44) is movably installed with a reversible threaded rod (45), the left end of the reversible threaded rod (45) penetrates to the left side of the paddle positioning plate (43) and is fixedly installed with a clamping knob (46), the outer walls of the left and right sides of the reversible threaded rod (45) are respectively provided with threaded walls with opposite threads, and the outer walls of the two threaded walls are threadedly installed with clamping plates (47), and the paddle (5) is located between the two clamping plates (47).

5. The propeller blade angle adjustment tooling of claim 4, wherein: The rear side of the semicircular angle adjusting plate (4) is provided with a semicircular through groove (411) penetrating into the inner cavity of the semicircular sliding groove (41), the bottom of the paddle positioning and placing plate (43) is fixedly provided with a sliding block (431), the sliding block (431) is provided with a sliding hole penetrating left and right, and the sliding block (431) is slidably connected with the semicircular sliding rod (42) by the sliding hole.

6. The propeller blade angle adjustment tooling of claim 5, wherein: The rear side of the sliding block (431) is provided with a threaded hole (432) penetrating into the sliding hole, a locking screw rod (433) is threadedly installed in the inner ring of the threaded hole (432), and the rear end of the locking screw rod (433) penetrates the semicircular through groove (411) to the rear side of the semicircular angle adjusting plate (4) and is fixedly provided with a locking knob (434).

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