CN112556548A

CN112556548A - Real-time measuring device for propeller blade angle

Info

Publication number: CN112556548A
Application number: CN202011452631.9A
Authority: CN
Inventors: 潘新旗; 钱大海; 满延涛; 洪俊; 麻经飞
Original assignee: Anhui Xoar Aerotech Co ltd
Current assignee: Anhui Xoar Aerotech Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-03-26

Abstract

The invention discloses a real-time measuring device for propeller blade angle, comprising: the base, the top of base is provided with the fixed plate, the joint groove has been seted up to the inside of fixed plate, the fixed plate passes through joint groove joint has the screw. Through the setting of screw bottom joint piece, can realize placing the screw in the joint inslot, joint piece extrusion joint, when reacing the joint tank bottom, the elasticity of joint spring can be in the draw-in groove to the tight card of joint, accomplish the fixed to the screw with this, measure the unsafe condition can not appear in the measuring like this, the angle of the paddle of measurement screw that can be accurate, make things convenient for the workman to utilize accurate angle to use corresponding screw, be provided with the slide bar through the fixed plate bottom, can realize that the slide bar slides in the spout, thereby it measures to drive the place that the paddle removed the detection, measure the angle of paddle, the condition appearance of error has been avoided artifical measurement to appear easily.

Description

Real-time measuring device for propeller blade angle

Technical Field

The invention relates to a propeller, in particular to a real-time measuring device for the angle of a propeller blade.

Background

The propeller is a device which rotates in the air or water by the paddle and converts the rotating power of the engine into the propulsive force, two or more blades are connected with a hub, the backward surface of each blade is a helicoid or a propeller similar to the helicoid, the propellers are various, and the propeller is widely applied, such as propellers of aircrafts and ships.

The blade angle, also called the twist angle of the blade, is the angle between the chord line of the propeller and the rotating plane of the propeller, which changes with the radius, and the change rule is the most important factor affecting the working performance of the blade.

In the prior art, the blade of the propeller is measured by an angle gauge manually, a great deal of labor is consumed by the measuring method, the measuring inaccuracy is easy to occur, and the condition that the propeller is improperly used due to the inaccuracy of the subsequent propeller is possibly influenced.

Accordingly, those skilled in the art have provided a real-time measurement apparatus for propeller blade angle to solve the problems set forth in the background art described above.

Disclosure of Invention

The invention aims to provide a real-time measuring device for the propeller blade angle, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

real-time measurement device of propeller blade angle includes: the base, the top of base is provided with the fixed plate, the joint groove has been seted up to the inside of fixed plate, the fixed plate passes through joint groove joint has the screw, the bottom fixedly connected with joint piece of screw, the draw-in groove has all been seted up to the left and right sides of joint piece, the hollow block of the equal fixedly connected with in the left and right sides of fixed plate, the joint head has been cup jointed to one side of hollow block, one side fixedly connected with pull ring of joint head, the sliding plate has been cup jointed to the surface of joint head, the fixedly connected with slide bar between the left and right sides of hollow block inner wall, the joint spring has been cup jointed to the surface of.

As a further scheme of the invention: the joint head runs through the left and right sides of hollow block and extends to the inside in joint groove, the one end of joint head with draw-in groove looks adaptation.

As a still further scheme of the invention: the outer surface of the sliding rod is sleeved with the sliding plate, and the clamping spring is fixedly connected between the sliding plate and the two sides of the inner wall of the hollow block.

As a still further scheme of the invention: the base is provided with a sliding groove at the top, and is connected with a sliding rod through the sliding groove in a sliding manner, and the sliding rod is fixedly connected to the bottom of the fixed plate.

As a still further scheme of the invention: the top fixedly connected with backup pad of base, one side of backup pad is provided with the scale disc.

As a still further scheme of the invention: the surface of scale disc is provided with the pointer, the surface of scale disc is provided with the scale mark, the left and right sides of screw all is provided with the paddle.

Compared with the prior art, the invention has the beneficial effects that:

1. through the setting of screw bottom joint piece, can realize placing the screw in the joint inslot, joint piece extrusion joint head, when reacing the joint tank bottom, the elasticity of joint spring can be in the draw-in groove to the joint head card that tightly to this accomplishes the fixed to the screw, can not appear measuring the unsafe condition when measuring like this, the angle of the paddle of measurement screw that can be accurate makes things convenient for the workman to utilize accurate angle to use corresponding screw.

2. Be provided with the slide bar through the fixed plate bottom, can realize that the slide bar slides in the spout to drive the paddle and remove the place that detects, measure the angle of paddle, avoided the condition appearance that the manual measurement error appears easily.

Drawings

Fig. 1 is a schematic structural diagram of a real-time measurement device for the angle of a propeller blade.

Fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Fig. 3 is a schematic structural diagram of a side surface of a scale disc in the real-time measurement device for the propeller blade angle.

In the figure: 1-base, 2-fixed plate, 3-clamping groove, 4-propeller, 5-clamping block, 6-clamping groove, 7-hollow block, 8-clamping joint, 9-pull ring, 10-sliding plate, 11-sliding rod, 12-clamping spring, 13-sliding groove, 14-sliding rod, 15-supporting plate, 16-scale disc, 17-pointer and 18-paddle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a real-time measurement apparatus for an angle of a propeller blade includes: base 1, base 1's top is provided with fixed plate 2, joint groove 3 has been seted up to the inside of fixed plate 2, fixed plate 2 passes through joint groove 3 joint has screw 4, the bottom fixedly connected with joint piece 5 of screw 4, draw-in groove 6 has all been seted up to the left and right sides of joint piece 5, the hollow block 7 of the equal fixedly connected with in the left and right sides of fixed plate 2, the joint 8 has been cup jointed to one side of hollow block 7, one side fixedly connected with pull ring 9 of joint 8, sliding plate 10 has been cup jointed to the surface of joint 8, fixedly connected with slide bar 11 between the left and right sides of hollow block 7 inner wall, joint spring 12 has been cup jointed to slide bar 11's surface.

Through 4 bottom joint pieces 5's of screw setting, can realize placing screw 4 in joint groove 3, joint piece 5 extrudes joint 8, when reacing joint groove 3 bottom, joint spring 12's elasticity can be to joint 8 tight card in draw-in groove 6, accomplish the fixed to screw 4 with this, measure the unsafe condition can not appear when measuring like this, the paddle 18's of measurement screw 4 that can be accurate angle, make things convenient for the workman to utilize accurate angle to use corresponding screw 4, be provided with slide bar 14 bottom 2 fixed plate, can realize slide bar 14 and slide in spout 13, thereby drive the place that paddle 18 removed the detection, measure the angle of paddle, the condition appearance of error has easily appeared in having avoided manual measurement.

Screw 4 and 2 swing joint of fixed plate, can conveniently change different screw 4 like this and measure the angle of paddle 18, the setting of this device can realize not using artifical hand bevel protractor to measure, has avoided under the long-time measuring condition of workman, can appear the phenomenon of absentmindedly in mind, but also has avoided the error that manual measurement brought, holistic equipment is simple clear, easily the operation.

The joint 8 runs through the left and right sides of hollow block 7 and extends to the inside of joint groove 3, the one end of joint 8 with draw-in groove 6 looks adaptation.

The outer surface of the sliding rod 11 is sleeved with the sliding plate 10, and the clamping spring 12 is fixedly connected between the sliding plate 10 and two sides of the inner wall of the hollow block 7.

The top of the base 1 is provided with a sliding groove 13, the base 1 is slidably connected with a sliding rod 14 through the sliding groove 13, and the sliding rod 14 is fixedly connected to the bottom of the fixed plate 2.

The top of base 1 is fixedly connected with backup pad 15, one side of backup pad 15 is provided with scale disc 16.

The surface of scale disc 16 is provided with pointer 17, the surface of scale disc 16 is provided with the scale mark, the left and right sides of screw propeller 4 all is provided with paddle 18.

Pointer 17 rotates and connects in the surface of scale disc 16, and the surface of scale disc 16 is seted up porosely, and the bottom in this hole is parallel and level with the bottom of paddle 18, and when paddle 18 moved the position in hole, paddle 18 can promote pointer 17 and rotate, and in the in-process that paddle 18 removed, pointer 17 can rotate according to the height of the different positions of paddle 18, can let the complete angle of whole paddle 18 of record of workman like this.

The working principle of the invention is as follows:

the method comprises the steps of aligning a clamping block 5 at the bottom of a propeller 4 to be measured with a clamping groove 3 and putting down, wherein the clamping block 5 extrudes a clamping joint 8 at the moment, a sliding plate 10 on the surface of the clamping joint 8 extrudes a clamping spring 12 to generate an elastic force, when the clamping block 5 completely reaches the bottom of the clamping groove 3, the clamping joint 8 is tightly clamped in a clamping groove 6 by the elastic force of the clamping spring 12 to complete the fixation of the propeller 4, then the propeller 4 is pushed, a sliding rod 14 at the bottom of a fixed plate 2 slides in a sliding groove 13, one end of a blade 18 extrudes a hole formed in a scale disc 16 to extrude a pointer 17, so that the pointer 17 rotates, then the angle of the blade 18 is recorded according to scale marks on the surface of the scale disc 16, when blades 18 on other propellers 4 need to be measured, a pull ring 9 is pulled, so that the sliding plate 10 sleeved on the surface of the, thereby extrude joint spring 12, this moment joint 8 will withdraw from draw-in groove 6, then take out screw 4, change other screw 4 for fixed mounting, then it is enough just to carry out the angle that measures paddle 18.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Real-time measurement device of propeller blade angle includes: a base (1), which is characterized in that the top of the base (1) is provided with a fixed plate (2), a clamping groove (3) is arranged in the fixed plate (2), the fixed plate (2) is clamped with a propeller (4) through the clamping groove (3), the bottom of the propeller (4) is fixedly connected with a clamping block (5), the left side and the right side of the clamping block (5) are both provided with clamping grooves (6), the left side and the right side of the fixed plate (2) are both fixedly connected with hollow blocks (7), a clamping joint (8) is sleeved on one side of the hollow block (7), a pull ring (9) is fixedly connected on one side of the clamping joint (8), the outer surface of the clamping joint (8) is sleeved with a sliding plate (10), a sliding rod (11) is fixedly connected between the left side and the right side of the inner wall of the hollow block (7), and a clamping spring (12) is sleeved on the outer surface of the sliding rod (11).

2. The propeller blade angle real-time measurement device of claim 1, wherein the snap joints (8) penetrate through the left and right sides of the hollow block (7) and extend to the inside of the snap groove (3), and one end of each snap joint (8) is matched with the snap groove (6).

3. The propeller blade angle real-time measurement device of claim 1, wherein the outer surface of the slide rod (11) is sleeved with the slide plate (10), and the clamping spring (12) is fixedly connected between the slide plate (10) and two sides of the inner wall of the hollow block (7).

4. The real-time propeller blade angle measuring device of claim 1, wherein a sliding groove (13) is formed in the top of the base (1), a sliding rod (14) is slidably connected to the base (1) through the sliding groove (13), and the sliding rod (14) is fixedly connected to the bottom of the fixing plate (2).

5. The real-time measurement device of the propeller blade angle according to claim 1, characterized in that a support plate (15) is fixedly connected to the top of the base (1), and a graduated disc (16) is arranged on one side of the support plate (15).

6. The device for real-time measurement of the angle of propeller blades according to claim 5, wherein the surface of the graduated disk (16) is provided with a pointer (17), the surface of the graduated disk (16) is provided with graduation marks, and the left and right sides of the propeller (4) are provided with blades (18).