CN117246507B - Automatic correction screw with trigger mechanism - Google Patents

Automatic correction screw with trigger mechanism Download PDF

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Publication number
CN117246507B
CN117246507B CN202311448115.2A CN202311448115A CN117246507B CN 117246507 B CN117246507 B CN 117246507B CN 202311448115 A CN202311448115 A CN 202311448115A CN 117246507 B CN117246507 B CN 117246507B
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CN
China
Prior art keywords
shell
wall
top shell
clamping
transmission
Prior art date
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Active
Application number
CN202311448115.2A
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Chinese (zh)
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CN117246507A (en
Inventor
张钦尧
仲春虎
乐俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cai Shengxiang
Original Assignee
Changzhou Zhonghai Ship Propeller Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Zhonghai Ship Propeller Co ltd filed Critical Changzhou Zhonghai Ship Propeller Co ltd
Priority to CN202311448115.2A priority Critical patent/CN117246507B/en
Publication of CN117246507A publication Critical patent/CN117246507A/en
Application granted granted Critical
Publication of CN117246507B publication Critical patent/CN117246507B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/15—Propellers having vibration damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/20—Hubs; Blade connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The utility model discloses an automatic correction propeller with a triggering mechanism, which comprises a first top shell, a paddle, a bottom shell and a motor, wherein a second top shell is arranged at the top of the first top shell, a first clamping groove is formed in the top edge of the first top shell, and a second clamping groove is formed in the bottom edge of the second top shell; according to the utility model, the first top shell, the second top shell and the paddles are all in a split type installation mode, each paddle is independent, when a single paddle is damaged in the use process, the single paddle can be replaced according to the loss degree, the use cost can be reduced, the working hours required for maintenance are reduced, after the first top shell and the second top shell are mutually combined, the second limiting column is pressed on the top end of the first limiting column, meanwhile, the joint is pushed to be tightly attached to the bottom of the second limiting column through the reset spring, the position of the joint is fixed by matching with the first limiting column, meanwhile, the elastic characteristics of the reset spring are adopted, and the buffering is provided when the paddles are impacted.

Description

Automatic correction screw with trigger mechanism
Technical Field
The utility model relates to the technical field of propellers, in particular to an automatic correction propeller with a trigger mechanism.
Background
The propeller means a device for converting the rotational power of an engine into propulsive force by rotating blades in air or water, and may have two or more blades connected to a hub, the backward face of the blades being a helicoid or a propeller similar to the helicoid. Propellers are classified into a wide variety of types, and are widely used, such as propellers for airplanes and ships, reference numbers: "CN204037875U", the "a screw propeller" disclosed, this screw propeller includes the oar body, the oar body includes wheel hub and paddle, the paddle is more than two, the paddle evenly sets up on the surface of wheel hub, wheel hub is cylindrical, wheel hub one end is equipped with the assembly mouth, the wheel hub other end is equipped with the horn mouth, the horn mouth is as an organic whole with wheel hub sets up, the oar body is the stainless steel oar body; according to the utility model, through the arrangement of the stainless steel propeller body, the corrosion resistance of the propeller in seawater is improved, so that the propeller has high strength and impact resistance, and long service life.
The existing screw propeller generally adopts an integrated structure, when in use, when excessive abrasion or damage occurs to a single blade, the overall dynamic balance can be influenced, so that the screw propeller needs to be replaced integrally, the required use cost and the required working hours for replacement are long, the screw propeller is generally connected with a power output shaft through a coupler when in installation, the coupler belongs to a flexible material, the coupler is loose due to connection caused by abrasion along with the increase of the use time, and the screw propeller is easy to eccentric during rotation, so that the screw propeller has defects during use.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide an automatic correction propeller with a trigger mechanism, so as to solve the problems mentioned in the background above that the cost of use increases due to the need of replacing the whole propeller after damage, and the eccentricity can not be adjusted in time during use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the automatic correction propeller with the triggering mechanism comprises a first top shell, a blade, a bottom shell and a motor, wherein a second top shell is arranged at the top of the first top shell, a first clamping groove is formed in the top edge of the first top shell, and a second clamping groove is formed in the bottom edge of the second top shell;
further, a plurality of paddles are arranged, the tail end of each paddle is provided with a chuck, and one end of each chuck far away from the paddle is provided with a joint; each chuck is respectively connected with a first clamping groove and a second clamping groove in a clamping way, and each joint is respectively connected with a first limit column;
further, a transmission seat is arranged at the bottom of the first top shell and is arranged in the first bearing; the transmission seat is in spline connection with the top of the adapter, and the adapter is arranged in the second bearing; the transmission connecting column is arranged at the top of the inner side of the second top shell and connected with the internal spline of the adapter, and the transmission shaft is arranged at the bottom of the transmission connecting column;
further, the two bottom cases are symmetrically arranged, and the top ends of the two bottom cases are wrapped on the outer sides of the first bearing and the second bearing;
further, the top of the motor is connected with the bottoms of the two bottom shells, and an output shaft of the motor is connected with the adapter plate in a matching way with the first coupler; the switching disc is arranged in the two bottom shells, and the top of the switching disc is matched with the second coupler to be connected with the bottom of the transmission shaft.
Further, a guide cover is arranged at the top of the second top shell, and a second limit column is arranged at the top of the inner side of the second top shell; the second limiting columns are arranged at equal angles relative to the vertical axis of the second top shell, and the bottom of each second limiting column is connected with the top of one first limiting column respectively.
Further, the axial lead of the air guide sleeve, the axial lead of the second top shell and the axial lead of the first top shell are all on the same vertical straight line;
further, the joint is connected with the first limiting columns in a sliding mode, the outer sides of the first limiting columns are wrapped with reset springs, and the bottoms of the reset springs are clung to the bottoms of the joints.
Further, the axial lead of the second top shell, the axial lead of the transmission connecting column and the axial lead of the transmission shaft are all on the same vertical straight line, and the transmission shaft is arranged between the two bottom shells;
a first end shell is arranged on the outer wall of one of the bottom shells, and an adapter flange is arranged at the tail end of the first end shell; the outer wall of the other bottom shell is provided with a second end shell, and the second end shell and the first end shell are mutually connected in a closed mode.
Further, a first connecting rod is arranged at the upper end of the inner wall of each bottom shell, the first connecting rods are connected with the bottom shell in a rotating way, and the tail end of each first connecting rod is connected with the upper end of the outer wall of each clamp holder in a rotating way;
further, the holders are semi-annular structures, a group of ball axle plates are mounted on the inner wall of each holder, and a plurality of ball axle plates are arranged at equal intervals.
Further, a spring plate is arranged on the inner wall of each bottom shell, and the top end of the spring plate is connected with the inner wall of the bottom shell in a clamping way;
further, the spring plates are of arch structures, the middle of each spring plate clings to the outer wall of one clamp holder, and the bottom of each spring plate is connected with the outer wall of one clamping piece in a clamping mode.
Further, a group of second connecting rods are arranged at the lower part of the outer wall of each clamp holder, two second connecting rods are symmetrically arranged in each group, and meanwhile, the second connecting rods are in rotary connection with the clamp holders;
further, the bottoms of the second connecting rods of each group are respectively connected with one group of guide rails in a sliding mode, two guide rails of each group are symmetrically arranged, and each group of guide rails is arranged on the inner wall of one bottom shell.
Further, each clamping piece is arranged at the lower end of the outer wall of one bottom shell, and one side of the clamping piece, which is contacted with the spring plate, is in a chamfering structure;
further, a plectrum is arranged below each clamping piece, and each plectrum is rotationally connected with the inner wall of a bottom shell.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
1. according to the utility model, the first top shell, the second top shell and the paddles are arranged, the first top shell, the second top shell and the paddles are all in a split type installation mode, each paddle is independent, in the use process, when a single paddle is damaged, the single paddle can be replaced according to the loss degree, the use cost can be reduced, the time required for maintenance is reduced, the first top shell and the second top shell are mutually combined, the corresponding first clamping groove is matched with the second clamping groove to clamp the fixed chuck, the O-shaped rubber ring is arranged on the outer side of the chuck to improve the sealing effect, meanwhile, after the paddles are installed, the joint sleeve is arranged on the first limiting column, the resilience of the return spring is used for automatically leveling, and after the first top shell and the second top shell are mutually combined, the second limiting column is pressed on the top end of the first limiting column, meanwhile, the joint is pushed to be closely attached to the bottom of the second limiting column through the return spring, the joint is matched with the first limiting column to fix the position, and the elastic characteristic of the return spring can provide a certain buffering effect when the paddles are subjected to collision.
2. According to the utility model, the bottom shell, the first top shell and the second top shell are arranged, the two bottom shells are fixedly connected through bolts to form a hollow cylinder structure, the first bearing and the second bearing are arranged at the top end of the cylinder structure, the first top shell is connected with the outer spline of the adapter through the transmission seat, and the top end of the transmission shaft is connected with the inner spline of the adapter through the transmission connecting column, so that the power of the transmission shaft drives the first top shell and the second top shell to synchronously rotate, and the double bearings can further improve the stability of the first top shell, the second top shell and the paddles in rotation, and meanwhile, the double bearings are high in disassembly and assembly convenience.
3. According to the utility model, the clamping devices are arranged in the bottom shell, the two clamping devices are arranged in the bottom shell, the inner wall of each clamping device is provided with the plurality of ball shaft plates, each ball shaft plate is composed of one pressing plate and a plurality of balls, in a normal state, the clamping devices are not contacted with the transmission shaft, so that abrasion is not generated along with the use of the transmission shaft, in the using process, when the first coupling or the second coupling is excessively worn, the switching disc can swing due to eccentricity when rotating, along with the increase of the swing amplitude, the bulges at the edge of the switching disc can contact with the poking plates when swinging, when the swing amplitude is excessively large, the switching disc strikes the poking plates, the top ends of the poking plates are driven to outwards extrude the lower ends of the corresponding spring plates, the spring plates in a compressed state, the tail ends of the spring plates are clamped with the outer walls of the clamping members, and can be separated from the clamping members and shrink upwards under the action of elasticity of the self-elasticity when the tail ends of the spring plates receive the poking plates exceeds a threshold value, the clamping devices are pushed to be tightly attached to the transmission shaft, the bottom of the spring plates can be stably contacted with the clamping members after the clamping members are shrunk, and the clamping devices can be placed with the clamping devices under the action of the clamping devices, and the clamping devices can be continuously compressed under the action of the compression effect of the transmission shaft can be further improved when the clamping plates are in an emergency condition, and the clamping device can be further used for repairing effect is realized.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a side view of FIG. 1 of the present utility model;
FIG. 3 is a top plan view of the present utility model;
FIG. 4 is a schematic perspective view of the first top case of the present utility model;
FIG. 5 is a bottom view of FIG. 4 of the present utility model;
FIG. 6 is a side view of FIG. 4 in accordance with the present utility model;
FIG. 7 is a schematic perspective view of a drive shaft according to the present utility model;
FIG. 8 is a bottom view of FIG. 7 in accordance with the present utility model;
FIG. 9 is a schematic perspective view of the adapter of the present utility model;
FIG. 10 is a bottom view of the utility model 9;
FIG. 11 is a cross-sectional view taken along the direction A-A in FIG. 3 in accordance with the present utility model;
FIG. 12 is an enlarged view of the utility model at B in FIG. 4;
FIG. 13 is an enlarged view of the utility model at C in FIG. 7;
fig. 14 is an enlarged view of the present utility model at D in fig. 11.
The reference numerals are as follows:
1. the device comprises a first top shell, a 2-first clamping groove, a 3-second top shell, a 4-second clamping groove, a 5-blade, a 6-chuck, a 7-connector, an 8-first limit post, a 9-return spring, a 10-second limit post, an 11-air guide cover, a 12-transmission post, a 13-transmission shaft, a 14-transmission seat, a 15-first bearing, a 16-adapter, a 17-second bearing, a 18-bottom shell, a 19-first end shell, a 20-adapter flange, a 21-second end shell, a 22-motor, a 23-first coupler, a 24-adapter disc, a 25-second coupler, a 26-first connecting rod, a 27-clamp, a 28-ball axial plate, a 29-second connecting rod, a 30-guide rail, a 31-spring plate, a 32-clamp piece and a 33-plectrum.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to better understand the embodiments of the present application, a clear and complete description of the technical solutions of the embodiments of the present application will be provided below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 12 and 13, the motor comprises a first top shell 1, a blade 5, a bottom shell 18 and a motor 22, wherein a second top shell 3 is mounted on the top of the first top shell 1, a first clamping groove 2 is formed in the top edge of the first top shell 1, and a second clamping groove 4 is formed in the bottom edge of the second top shell 3; the number of the paddles 5 is several, the tail end of each paddle 5 is provided with a chuck 6, and one end of each chuck 6 far away from the paddles 5 is provided with a joint 7; each chuck 6 is respectively connected with a first clamping groove 2 and a second clamping groove 4 in a clamping way, and each joint 7 is respectively connected with a first limit column 8; the bottom of the first top shell 1 is provided with a transmission seat 14, and the transmission seat 14 is arranged in the first bearing 15; the transmission seat 14 is in spline connection with the top of the adapter piece 16, and the adapter piece 16 is arranged inside the second bearing 17; the transmission connecting column 12 is arranged at the top of the inner side of the second top shell 3, the transmission connecting column 12 is connected with the internal spline of the adapter 16, and the transmission shaft 13 is arranged at the bottom of the transmission connecting column 12; the two bottom shells 18 are symmetrically arranged, and the top ends of the two bottom shells 18 are wrapped on the outer sides of the first bearing 15 and the second bearing 17; the top of the motor 22 is connected with the bottoms of the two bottom shells 18, and the output shaft of the motor 22 is connected with the adapter plate 24 by matching with the first coupler 23; the adapter plate 24 is arranged inside the two bottom shells 18, and the top of the adapter plate 24 is matched with the second coupler 25 to be connected with the bottom of the transmission shaft 13.
Specifically, after the first top shell 1 and the second top shell 3 are mutually butted, the corresponding first clamping groove 2 and the second clamping groove 4 also form an annular cavity, and the annular cavity is fixedly connected with the chuck 6 in cooperation with the O-shaped rubber ring.
As a further explanation of this embodiment, the outer edge of the adapter plate 24 is provided with a plurality of protruding structures at equal angles, by which the striking plate 33 is struck when the adapter plate 24 swings due to eccentricity.
Referring to fig. 9, 10 and 11, a dome 11 is installed on top of the second top case 3, and a second limiting post 10 is installed on top of the inner side of the second top case 3; the second limiting columns 10 are arranged at equal angles with respect to the vertical axis of the second top shell 3, and the bottom of each second limiting column 10 is connected with the top of one first limiting column 8.
Specifically, the diameter of the second stopper post 10 is larger than the diameter of the first stopper post 8.
As a further explanation of the present embodiment, the return spring 9 pushes the chuck 6 by its own elasticity, so that the top of the chuck 6 is closely attached to the bottom of the second stopper post 10.
Referring to fig. 9, 10 and 11, the axial line of the air guide sleeve 11, the axial line of the second top case 3 and the axial line of the first top case 1 are all on the same vertical straight line; the joint 7 is connected with the first limiting columns 8 in a sliding mode, the outer sides of the first limiting columns 8 are wrapped with reset springs 9, and the bottoms of the reset springs 9 are clung to the bottoms of the joint 7.
Specifically, when the blade 5 is mounted, the joint 7 is sleeved on the first limit post 8 at the corresponding position, and the bottom of the chuck 6 is supported by the return spring 9.
As a further illustration of this embodiment, the return spring 9 may provide a buffer against short shocks received by the chuck 6 and corresponding blade 5 during use.
Referring to fig. 1 and 2, the axis of the second top case 3, the axis of the transmission post 12 and the axis of the transmission shaft 13 are all on the same vertical straight line, and the transmission shaft 13 is arranged between the two bottom cases 18; a first end shell 19 is arranged on the outer wall of one of the bottom shells 18, and an adapter flange 20 is arranged at the tail end of the first end shell 19; a second end shell 21 is mounted on the outer wall of the other bottom shell 18, and the second end shell 21 and the first end shell 19 are connected in a closing manner.
Specifically, the first end shell 19 and the second end shell 21 are fixedly connected through bolts, the interiors of the first end shell 19 and the second end shell 21 are hollow, and simultaneously, the interiors of the first end shell 19 and the second end shell 21 are communicated with the interiors of the corresponding bottom shell 18.
As a further illustration of this embodiment, the device is facilitated to be adapted by the adapter flange 20.
Referring to fig. 4, 5, 6, 7 and 8, a first connecting rod 26 is mounted on the upper end of the inner wall of each bottom shell 18, the first connecting rods 26 are rotatably connected with the bottom shell 18, and the tail end of each first connecting rod 26 is rotatably connected with the upper end of the outer wall of a clamp 27; the holders 27 are of semi-annular structures, a group of ball axle plates 28 are mounted on the inner wall of each holder 27, and a plurality of ball axle plates 28 are arranged at equal intervals.
Specifically, the ball axle plate 28 is composed of a pressure plate and a plurality of balls, the position of the pressure plate corresponding to the balls is provided with through holes, and when the two grippers 27 are matched to clamp the transmission shaft 13, friction resistance can be reduced through the balls.
As a further illustration of this embodiment, the first link 26 will rotate to provide support following the change in position of the gripper 27.
Referring to fig. 11 and 14, a spring plate 31 is disposed on an inner wall of each bottom case 18, and a top end of the spring plate 31 is engaged with the inner wall of the bottom case 18; the spring plates 31 are of arch structures, the middle of each spring plate 31 is tightly attached to the outer wall of one clamp 27, and the bottom of each spring plate 31 is in clamping connection with the outer wall of one clamping piece 32.
Specifically, the spring plate 31 in the initial state is in a stretched state, and the outer wall of the end of the spring plate 31 is provided with a protrusion, which is engaged with the outer wall of the corresponding engaging member 32, so as to prevent the spring plate 31 from shrinking due to elasticity.
As a further explanation of the present embodiment, the top of the engaging member 32 is provided with a slot, and when the spring plate 31 contracts and rebounds, the spring plate 31 is prevented from being stretched due to pressure after the end of the spring plate 31 is engaged with the slot.
Referring to fig. 4, 5, 6, 7 and 8, a group of second connecting rods 29 are installed at the lower part of the outer wall of each clamp 27, and each group of second connecting rods 29 is symmetrically provided with two second connecting rods, and meanwhile, the second connecting rods 29 are connected with the clamp 27 in a rotating way; the bottom of each group of second connecting rods 29 is slidably connected with a group of guide rails 30, and two guide rails 30 are symmetrically arranged in each group, and each group of guide rails 30 is arranged on the inner wall of one bottom shell 18.
Specifically, when the spring plate 31 is disengaged from the engaging piece 32, the engaging piece 32 pushes the holder 27 close to the drive shaft 13 by contraction.
As a further explanation of the present embodiment, when the clamper 27 is displaced by the rebound of the spring plate 31, the clamper 27 drives the two second links 29 to perform the position transfer simultaneously, and the sliding track of the second links 29 is restricted by the guide rail 30.
Referring to fig. 11 and 14, each of the engaging members 32 is disposed at a lower end of an outer wall of the bottom case 18, and a side of the engaging member 32 contacting the spring plate 31 is in a chamfer structure; a pulling piece 33 is arranged below each clamping piece 32, and each pulling piece 33 is rotatably connected with the inner wall of one bottom shell 18.
Specifically, the bottom of the pulling piece 33 and the adapter plate 24 are at the same height, and one end of the pulling piece 33, which is close to the adapter plate 24, is designed to be an inclined plane.
As a further explanation of this embodiment, when the adapter plate 24 swings too far to strike the paddle 33, the rotating paddle 33 presses the bottom of the spring plate 31 outward, so that the bottom of the spring plate 31 is separated from the engaging member 32.
The working principle of the utility model is as follows: when the device is used, an external power supply is connected, the motor 22 is started, the rotating disc 24 and the transmission shaft 13 are driven to synchronously rotate through the output shaft, the transmission shaft 13 drives the transmission seat 14, the adapter piece 16, the first top shell 1, the second top shell 3 and the paddles 5 to synchronously rotate while rotating, along with the increase of the service time, when the connection between the rotating disc 24 and the output shaft or the transmission shaft 13 is loose due to arc wear of the first coupler 23 or the second coupler 25, the rotating disc 24 and the transmission shaft 13 swing due to the fact that the eccentricity causes rotation, along with the increase of the swing amplitude, after the protrusions on the side edge of the rotating disc 24 gradually contact the pulling piece 33, the rotating disc 24 drives the pulling piece 33 to start rotating, when the pressure is enough, the top end of the pulling piece 33 outwards jacks up the bottom of the spring plate 31, and enables the bottom of the spring plate 31 to be disconnected with the clamping piece 32, then starts to shrink under the elastic effect of the clamping piece 32, the clamping piece 27 is pushed to be close to the direction of the transmission shaft 13 until the ball shaft plate 28 is tightly attached to the transmission shaft 13, and the ball shaft 28 moves, meanwhile, the first connecting rod 26 and the second connecting rod 29 is driven to be clamped with the end of the second connecting rod 29 is clamped with the end of the eccentric piece, and then the vibration amplitude of the transmission shaft 13 can be fast matched with the transmission shaft 13, and the vibration amplitude is reduced.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims (3)

1. An automatic corrective propeller with a trigger mechanism, characterized in that: the motor comprises a first top shell (1), a paddle (5), a bottom shell (18) and a motor (22), wherein a second top shell (3) is arranged at the top of the first top shell (1), a first clamping groove (2) is formed in the top edge of the first top shell (1), and a second clamping groove (4) is formed in the bottom edge of the second top shell (3);
the plurality of paddles (5) are arranged, the tail end of each paddle (5) is provided with a chuck (6), and one end of each chuck (6) far away from the paddle (5) is provided with a joint (7); each chuck (6) is respectively connected with a first clamping groove (2) and a second clamping groove (4) in a clamping way, and each joint (7) is respectively connected with a first limit column (8);
the bottom of the first top shell (1) is provided with a transmission seat (14), and the transmission seat (14) is arranged in the first bearing (15); the transmission seat (14) is in spline connection with the top of the adapter (16), and the adapter (16) is arranged in the second bearing (17); the transmission connecting column (12) is arranged at the top of the inner side of the second top shell (3), the transmission connecting column (12) is connected with the internal spline of the adapter (16), and the transmission shaft (13) is arranged at the bottom of the transmission connecting column (12);
two bottom shells (18) are symmetrically arranged, and the top ends of the two bottom shells (18) are wrapped on the outer sides of the first bearing (15) and the second bearing (17);
the top of the motor (22) is connected with the bottoms of the two bottom shells (18), and an output shaft of the motor (22) is matched with the first coupler (23) and connected with the switching disc (24); the switching disc (24) is arranged in the two bottom shells (18), and the top of the switching disc (24) is matched with the second coupler (25) to be connected with the bottom of the transmission shaft (13);
the top of the second top shell (3) is provided with a guide cover (11), and the top of the inner side of the second top shell (3) is provided with a second limit column (10); the second limiting columns (10) are arranged at equal angles relative to the vertical axis of the second top shell (3), and the bottom of each second limiting column (10) is connected with the top of one first limiting column (8) respectively;
the upper end of the inner wall of each bottom shell (18) is provided with a first connecting rod (26), the first connecting rods (26) are connected with the bottom shell (18) in a rotating way, and the tail end of each first connecting rod (26) is connected with the upper end of the outer wall of a clamp holder (27) in a rotating way;
the holders (27) are of semi-annular structures, a group of ball axle plates (28) are arranged on the inner wall of each holder (27), and a plurality of ball axle plates (28) are arranged at equal intervals;
wherein, a spring plate (31) is arranged on the inner wall of each bottom shell (18), and the top end of the spring plate (31) is connected with the inner wall of the bottom shell (18) in a clamping way;
the spring plates (31) are of arch structures, the middle part of each spring plate (31) is tightly attached to the outer wall of one clamp holder (27), and the bottom of each spring plate (31) is in clamping connection with the outer wall of one clamping piece (32);
the lower part of the outer wall of each clamp holder (27) is provided with a group of second connecting rods (29), each group of second connecting rods (29) are symmetrically provided with two, and meanwhile, the second connecting rods (29) are rotationally connected with the clamp holders (27);
the bottoms of the second connecting rods (29) of each group are respectively connected with a group of guide rails (30) in a sliding way, two guide rails (30) of each group are symmetrically arranged, and each guide rail (30) of each group is arranged on the inner wall of one bottom shell (18);
wherein, each clamping piece (32) is arranged at the lower end of the outer wall of one bottom shell (18), and one side of the clamping piece (32) contacted with the spring plate (31) is in a chamfer structure;
a poking piece (33) is arranged below each clamping piece (32), and each poking piece (33) is rotatably connected with the inner wall of one bottom shell (18).
2. The self-correcting propeller having a trigger mechanism of claim 1, wherein: the axial lead of the air guide sleeve (11), the axial lead of the second top shell (3) and the axial lead of the first top shell (1) are all on the same vertical straight line;
the connector (7) is connected with the first limiting columns (8) in a sliding mode, the outer sides of the first limiting columns (8) are wrapped with return springs (9), and the bottoms of the return springs (9) are tightly attached to the bottoms of the connectors (7).
3. The self-correcting propeller having a trigger mechanism of claim 1, wherein: the axial lead of the second top shell (3), the axial lead of the transmission connecting column (12) and the axial lead of the transmission shaft (13) are all on the same vertical straight line, and the transmission shaft (13) is arranged between the two bottom shells (18);
a first end shell (19) is arranged on the outer wall of one of the bottom shells (18), and an adapter flange (20) is arranged at the tail end of the first end shell (19); a second end shell (21) is arranged on the outer wall of the other bottom shell (18), and the second end shell (21) and the first end shell (19) are connected in a closing manner.
CN202311448115.2A 2023-11-02 2023-11-02 Automatic correction screw with trigger mechanism Active CN117246507B (en)

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WO2018107956A1 (en) * 2016-12-14 2018-06-21 深圳市道通智能航空技术有限公司 Unmanned aerial vehicle and power assembly thereof, propeller and propeller base assembly
WO2018111059A1 (en) * 2016-12-15 2018-06-21 Ергалий ТАСБУЛАТОВ Rotating-blade propeller and mechanism for changing the pitch of blades of a cycloid propeller
CN108202863A (en) * 2016-12-16 2018-06-26 深圳光启合众科技有限公司 Propeller set
CN111186561A (en) * 2019-11-30 2020-05-22 惠阳航空螺旋桨有限责任公司 Automatic speed regulation control device for propeller
CN213566440U (en) * 2020-09-17 2021-06-29 上海尚实能源科技有限公司 Electric variable-pitch turboprop engine
CN213892854U (en) * 2020-11-09 2021-08-06 广州市柯乐名迪电子科技有限公司 Piston centrifugal propeller thruster
CN218858724U (en) * 2022-12-07 2023-04-14 南京流湾科技有限公司 Propeller assembly
CN116101478A (en) * 2023-03-30 2023-05-12 北京瀚科智翔科技发展有限公司 Single-layer variable-pitch structure for miniature coaxial double-oar unmanned aerial vehicle and control method

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1517167A (en) * 1974-09-24 1978-07-12 Dowty Rotol Ltd Control means suitable for a rotor blade
CN1880724A (en) * 2005-06-18 2006-12-20 Dbt有限公司 Driving device for rotating tools with superimposed oscillatory movement and tool therefore
DE202007018524U1 (en) * 2007-07-27 2008-11-06 Mendoza, Adrián C. González de Flapping wing arrangement
RU2412081C1 (en) * 2009-10-15 2011-02-20 Закрытое акционерное общество "АВИА-ПРОЕКТ" Aligned rotor system
WO2018107956A1 (en) * 2016-12-14 2018-06-21 深圳市道通智能航空技术有限公司 Unmanned aerial vehicle and power assembly thereof, propeller and propeller base assembly
WO2018111059A1 (en) * 2016-12-15 2018-06-21 Ергалий ТАСБУЛАТОВ Rotating-blade propeller and mechanism for changing the pitch of blades of a cycloid propeller
CN108202863A (en) * 2016-12-16 2018-06-26 深圳光启合众科技有限公司 Propeller set
CN111186561A (en) * 2019-11-30 2020-05-22 惠阳航空螺旋桨有限责任公司 Automatic speed regulation control device for propeller
CN213566440U (en) * 2020-09-17 2021-06-29 上海尚实能源科技有限公司 Electric variable-pitch turboprop engine
CN213892854U (en) * 2020-11-09 2021-08-06 广州市柯乐名迪电子科技有限公司 Piston centrifugal propeller thruster
CN218858724U (en) * 2022-12-07 2023-04-14 南京流湾科技有限公司 Propeller assembly
CN116101478A (en) * 2023-03-30 2023-05-12 北京瀚科智翔科技发展有限公司 Single-layer variable-pitch structure for miniature coaxial double-oar unmanned aerial vehicle and control method

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Patentee before: Changzhou Zhonghai ship propeller Co.,Ltd.

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