阅读说明：本技术 一种船舶螺旋桨叶片角度检测装置 (Ship propeller blade angle detection device ) 是由 姜国友 于 2021-04-15 设计创作，主要内容包括：本发明属于螺旋桨检测装置技术领域,具体涉及一种船舶螺旋桨叶片角度检测装置,包括机架、夹持机构、转动机构、传动机构以及测量机构,机架设有竖向阻尼转动连接的定位轴,测量机构包括设置在机架一端的安装台,安装台设有两个上下贯穿的滑孔,两个滑孔均滑动连接有滑杆,两个滑杆的尺寸一致,滑杆设有位于安装台上侧的挡片,滑杆外侧套设有弹簧,弹簧位于挡片与安装台之间,其中一个滑杆下端设有角度测量盘,两个滑杆下端共同连接有弹性细线,该装置的角度检测方式操作简洁方便,检测效率较高,能够快速对螺旋桨上的所有桨叶进行检测。(The invention belongs to the technical field of propeller detection devices, and particularly relates to a ship propeller blade angle detection device which comprises a rack, a clamping mechanism, a rotating mechanism, a transmission mechanism and a measuring mechanism, wherein the rack is provided with a positioning shaft rotationally connected with vertical damping, the measuring mechanism comprises an installation platform arranged at one end of the rack, the installation platform is provided with two sliding holes penetrating up and down, the two sliding holes are both connected with sliding rods in a sliding manner, the sizes of the two sliding rods are consistent, the sliding rods are provided with a separation blade positioned on the upper side of the installation platform, a spring is sleeved on the outer side of each sliding rod and positioned between the separation blade and the installation platform, an angle measuring disc is arranged at the lower end of one sliding rod, and the lower ends of the two sliding rods are jointly connected with an elastic thin wire.)

1. The utility model provides a boats and ships screw blade angle detection device which characterized in that: comprises a frame, a clamping mechanism, a rotating mechanism, a transmission mechanism and a measuring mechanism;

the frame is equipped with vertical damping and rotates the location axle of connecting, the screw is fixed in location epaxial end through fixture, slewing mechanism sets up in location axle below, drive mechanism sets up in slewing mechanism one side and is connected with the slewing mechanism transmission, measuring mechanism is including setting up the mount table in frame one end, the mount table is equipped with the slide opening that runs through from top to bottom two the equal sliding connection of slide opening has the slide bar, two the size of slide bar is unanimous, the slide bar is equipped with the separation blade that is located the mount table upside, slide bar outside cover is equipped with the spring, the spring is located between separation blade and the mount table, one of them the slide bar lower extreme is equipped with the angle measuring dish, two the slide bar lower extreme is connected with the elasticity fine rule jointly.

2. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 1, wherein: fixture includes spliced pole, fastening nut and two clamping pieces, the diameter of spliced pole is less than the diameter of location axle, the spliced pole is fixed in location epaxial end, and the screw is established at the location epaxially through the shaft hole cover on the paddle hub, and two clamping piece covers establish on the spliced pole and be located the upper and lower both sides of paddle hub respectively, fastening nut threaded connection is at the upside of spliced pole.

3. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 2, wherein: and the side surface of the connecting column is provided with a driving pin matched with the pin groove.

4. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 2, wherein: the fastening nut is a butterfly nut.

5. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 1, wherein: slewing mechanism includes one-way bearing and ring gear, one-way bearing fixes in the location off-axial side through its inner circle, the ring gear is fixed on one-way bearing's outer lane, drive mechanism includes sharp rack, handle and T shape slider, T shape slider is fixed at the frame upside, the T shape spout that runs through around the sharp rack is equipped with, sharp rack passes through T shape spout and T shape slider sliding connection, sharp rack and ring gear meshing, the handle sets up at sharp rack front end, be equipped with spacing subassembly between drive mechanism and the frame.

6. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 5, wherein: the limiting assembly comprises a first lead screw, a first baffle, a second lead screw and a second baffle, the first lead screw penetrates through the front end and the rear end of the T-shaped sliding block and is in threaded connection with the T-shaped sliding block, the first baffle is arranged at the rear end of the linear rack, the second lead screw penetrates through the front end and the rear end of the handle and is in threaded connection with the handle, and the second baffle is fixed to the upper end of the rack and corresponds to the position of the second lead screw.

7. The apparatus for detecting an angle of a propeller blade of a marine vessel according to claim 1, wherein: the measuring mechanism further comprises two limiting pieces, the two limiting pieces are fixed on the two sliding rods respectively, and the two limiting pieces are located on the lower side of the mounting table.

Technical Field

The invention belongs to the technical field of propeller detection devices, and particularly relates to a ship propeller blade angle detection device.

Background

The propeller is a device which rotates in air or water by means of blades and converts the rotating power of an engine into propelling force, the propeller is a propeller, the propeller for the ship is a propeller of the ship, the blades of the propeller have a curved surface and a plane, the propelling force required by a common boat does not need to be too large, so the blades of the propeller for the boat are mostly plane, the plane has the advantages of simple structure and convenience in processing, and therefore the plane propeller is widely used on small ships, the plane propeller is shown in the attached drawing 1 of the specification, the propeller 1 is composed of a blade hub 11 and a plurality of blades 12, and pin grooves 13 are formed in the side wall of a shaft hole of the blade hub 1.

Screw 1 is after production, will pass through the inspection, and screw 1 that reaches the check standard can only use, and wherein the angle detection of paddle 12 is the heavy one of all detection items, if the angle detection is not up to standard then can influence the driving force of screw 1, can use angle detection device to detect in the angle detection process of paddle 12, however current angle detection device is inconvenient to detect paddle 12, to the above-mentioned problem, we have proposed a boats and ships screw blade angle detection device.

Disclosure of Invention

The purpose of the invention is: the device is used for solving the problems in the background technology.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a ship propeller blade angle detection device comprises a frame, a clamping mechanism, a rotating mechanism, a transmission mechanism and a measuring mechanism;

the frame is equipped with vertical damping and rotates the location axle of connecting, the screw is fixed in location epaxial end through fixture, slewing mechanism sets up in location axle below, drive mechanism sets up in slewing mechanism one side and is connected with the slewing mechanism transmission, measuring mechanism is including setting up the mount table in frame one end, the mount table is equipped with the slide opening that runs through from top to bottom two the equal sliding connection of slide opening has the slide bar, two the size of slide bar is unanimous, the slide bar is equipped with the separation blade that is located the mount table upside, slide bar outside cover is equipped with the spring, the spring is located between separation blade and the mount table, one of them the slide bar lower extreme is equipped with the angle measuring dish, two the slide bar lower extreme is connected with the elasticity fine rule jointly.

Fixture includes spliced pole, fastening nut and two clamping pieces, the diameter of spliced pole is less than the diameter of location axle, the spliced pole is fixed in location epaxial end, and the screw is established at the location epaxially through the shaft hole cover on the paddle hub, and two clamping piece covers establish on the spliced pole and be located the upper and lower both sides of paddle hub respectively, fastening nut threaded connection is at the upside of spliced pole.

And the side surface of the connecting column is provided with a driving pin matched with the pin groove.

The fastening nut is a butterfly nut.

Slewing mechanism includes one-way bearing and ring gear, one-way bearing fixes in the location off-axial side through its inner circle, the ring gear is fixed on one-way bearing's outer lane, drive mechanism includes sharp rack, handle and T shape slider, T shape slider is fixed at the frame upside, the T shape spout that runs through around the sharp rack is equipped with, sharp rack passes through T shape spout and T shape slider sliding connection, sharp rack and ring gear meshing, the handle sets up at sharp rack front end, be equipped with spacing subassembly between drive mechanism and the frame.

The limiting assembly comprises a first lead screw, a first baffle, a second lead screw and a second baffle, the first lead screw penetrates through the front end and the rear end of the T-shaped sliding block and is in threaded connection with the T-shaped sliding block, the first baffle is arranged at the rear end of the linear rack, the second lead screw penetrates through the front end and the rear end of the handle and is in threaded connection with the handle, and the second baffle is fixed to the upper end of the rack and corresponds to the position of the second lead screw.

The measuring mechanism further comprises two limiting pieces, the two limiting pieces are fixed on the two sliding rods respectively, and the two limiting pieces are located on the lower side of the mounting table.

According to the ship propeller blade angle detection device, the propeller is fixed on the positioning shaft through the clamping mechanism, the propeller can rotate on the positioning shaft, when one blade of the propeller rotates to abut against the upper ends of the two sliding rods, the two sliding rods can be pressed down by the blade, the two sliding rods can present a high-low state due to the inclination of the blade, the elastic thin line can incline along with the movement of the two sliding rods, the inclination angle of the elastic thin line is the inclination angle of the blade due to the consistent height of the two sliding rods, the inclination angle of the blade can be obtained by observing the degree indicated by the elastic thin line on the angle measurement disc, the angle detection mode is simple and convenient to operate, and the detection efficiency is high; last a slice paddle measures the completion back, through slewing mechanism and drive mechanism mutually support drive down a slice paddle rotate with two slide bar upper end butt just can measure next a slice paddle, the paddle that has detected can be along with the rotation of screw directly slide two slide bars, can detect all paddles on the screw fast like this, can further promote detection efficiency like this.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view of a propeller configuration;

FIG. 2 is a schematic structural diagram of an embodiment of the device for detecting the angle of the propeller blade of the ship according to the present invention;

FIG. 3 is a schematic partial structural view of an embodiment of the device for detecting the angle of the propeller blade of a ship according to the present invention;

FIG. 4 is another partial schematic structural view of an embodiment of the device for detecting the angle of the propeller blade of a ship according to the present invention;

FIG. 5 is a schematic structural diagram of a measuring mechanism according to an embodiment of the device for detecting the angle of the propeller blade of the ship;

FIG. 6 is a schematic view showing a measurement mechanism according to an embodiment of the apparatus for detecting an angle of a propeller blade of a ship of the present invention;

FIG. 7 is a schematic view showing a rotation mechanism of an embodiment of the device for detecting the angle of the propeller blade of a ship according to the present invention;

FIG. 8 is a schematic structural diagram of a linear rack according to an embodiment of the device for detecting the angle of a propeller blade of a ship of the present invention;

the propeller comprises a propeller 1, a blade hub 11, blades 12, a pin groove 13, a frame 2, a positioning shaft 21, a mounting table 22, a slide hole 23, a slide rod 24, a baffle 25, a spring 26, an angle measuring disc 27, an elastic thin line 28, a connecting column 3, a fastening nut 31, a clamping piece 32, a transmission pin 33, a one-way bearing 4, a gear ring 41, a linear rack 42, a handle 43, a T-shaped sliding block 44, a T-shaped sliding groove 45, a first screw rod 5, a first baffle 51, a second screw rod 52, a second baffle 53 and a limiting piece 6.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 2-8, the ship propeller blade angle detection device of the present invention comprises a frame 2, a clamping mechanism, a rotating mechanism, a transmission mechanism and a measurement mechanism, wherein the frame 2 is provided with a positioning shaft 21 rotationally connected with a vertical damping, the propeller 1 is fixed at the upper end of the positioning shaft 21 through the clamping mechanism, the rotating mechanism is arranged below the positioning shaft 21, the transmission mechanism is arranged at one side of the rotating mechanism and is in transmission connection with the rotating mechanism, the measurement mechanism comprises a mounting table 22 arranged at one end of the frame 2, the mounting table 22 is provided with two sliding holes 23 penetrating up and down, both sliding holes 23 are slidably connected with sliding rods 24, the sizes of the two sliding rods 24 are identical, the sliding rods 24 are provided with a blocking piece 25 positioned at the upper side of the mounting table 22, the outer side of the sliding rods 24 is sleeved with a spring 26, the spring 26 is positioned between the blocking piece 25, the lower ends of the two sliding rods 24 are connected with an elastic thin wire 28 together, the measuring mechanism is in an initial state, the two springs 26 naturally extend to be matched with the two blocking pieces 25 respectively to jack the two sliding rods 24 upwards, so that the two sliding rods 24 are kept at the same height, at the moment, the elastic thin wire 28 is in a horizontal state and points to a zero scale mark on the angle measuring disc 27, when the lower side of the paddle 12 abuts against the upper ends of the two sliding rods 24, the paddle 12 can press down the two sliding rods 24, the two sliding rods 24 can present a high-low state due to the inclination of the paddle 12, at the moment, the elastic thin wire 28 can incline along with the movement of the two sliding rods 24, and as the sizes of the two sliding rods 24 are consistent, the inclination angle of the elastic thin wire 28 is the inclination angle of the paddle 12, and the inclination angle of the paddle.

The clamping mechanism comprises a connecting column 3, a fastening nut 31 and two clamping pieces 32, the diameter of the connecting column 3 is smaller than that of the positioning shaft 21, the connecting column 3 is fixed at the upper end of the positioning shaft 21, the propeller 1 is sleeved on the positioning shaft 21 through a shaft hole on the propeller hub 11, the two clamping pieces 32 are sleeved on the connecting column 3 and are respectively positioned at the upper side and the lower side of the propeller hub 11, the fastening nut 31 is in threaded connection with the upper side of the connecting column 3, when the clamping mechanism clamps the propeller 1, the nut 31 is screwed off and the clamping piece 32 at the upper side is taken off, then the propeller 1 is sleeved on the connecting column 3 through the blade hub 11, so that the lower end of the blade hub 11 is abutted with the clamping piece 32 at the lower side, then, the clamping pieces 32 on the upper side are sleeved on the connecting column 3, and finally the nuts 31 are screwed, so that the propeller 1 is clamped between the two clamping pieces 32, the disassembling step is the same as the assembling step, and the details are not repeated here.

The side of the connecting column 3 is provided with a driving pin 33 matched with the pin groove 13, and the driving pin 33 on the connecting column 3 is inserted into the pin groove 13 on the blade hub 11 to prevent the connecting column 3 and the propeller 1 from rotating mutually, so that the propeller 1 is convenient to disassemble and assemble.

The fastening nut 31 is a wing nut, which is convenient for a user to manually screw, so that the disassembly and assembly efficiency of the propeller 1 can be improved.

The rotating mechanism comprises a one-way bearing 4 and a gear ring 41, the one-way bearing 4 is fixed on the outer side of the positioning shaft 21 through the inner ring of the one-way bearing, the gear ring 41 is fixed on the outer ring of the one-way bearing 4, the transmission mechanism comprises a linear rack 42, a handle 43 and a T-shaped slide block 44, the T-shaped slide block 44 is fixed on the upper side of the rack 2, the linear rack 42 is provided with a T-shaped slide groove 45 which penetrates through the front and the back, the linear rack 42 is connected with the T-shaped slide block 44 in a sliding manner through the T-shaped slide groove 45, the linear rack 42 is meshed with the gear ring 41, the handle 43 is arranged at the front end of the linear rack 42, a limiting component is arranged between the transmission mechanism and the rack 2, when the drawing 2 of the specification is viewed from top, the outer ring of the one-way bearing 4 can rotate anticlockwise relative, the handle 43 is used for pushing and pulling the linear rack 42, the linear rack 42 can drive the gear ring 41 to rotate anticlockwise when moving forwards, the gear ring 41 can drive the positioning shaft 21 to rotate anticlockwise through the one-way bearing 4 at the moment, the linear rack 42 can drive the gear ring 41 to rotate clockwise when moving backwards, the gear ring 41 can not drive the positioning shaft 21 to rotate through the one-way bearing 4 at the moment, and the limiting component can limit the movement distance of the linear rack 42.

The limiting assembly comprises a first screw rod 5, a first baffle 51, a second screw rod 52 and a second baffle 53, the first screw rod 5 penetrates through the front end and the rear end of the T-shaped sliding block 44 and is in threaded connection with the T-shaped sliding block 44, the first baffle 51 is arranged at the rear end of the linear rack 42, the second screw rod 52 penetrates through the front end and the rear end of the handle 43 and is in threaded connection with the handle 43, the second baffle 53 is fixed at the upper end of the frame 2 and corresponds to the position of the second screw rod 52, when the linear rack 42 continuously moves forwards, the first baffle 51 is finally abutted against the rear end of the first screw rod 5, so that the distance of the forward movement of the linear rack 42 can be limited, when a user rotates the first screw rod 5, the first screw rod 5 can move forwards and backwards according to the rotating direction, so that the end point of the forward movement of the linear rack 42 can be adjusted, further, when the linear rack 42 continuously moves, the rear end of the second screw 52 finally abuts against the second baffle 53, so that the distance of the backward movement of the linear rack 42 can be limited, and when a user rotates the second screw 52, the second screw 52 can move back and forth according to the rotation direction, so that the backward movement end point of the linear rack 42 can be adjusted, and the backward movement distance of the linear rack 42 can be further changed.

The measuring mechanism further comprises two limiting pieces 6, the two limiting pieces 6 are respectively fixed on the two sliding rods 24, the two limiting pieces 6 are located on the lower sides of the mounting tables 22, the limiting pieces 6 can limit the upward reset length of the sliding rods 24, and the sliding rods 24 are prevented from being separated.

Before detecting the angle of the propeller 1, adjusting the stroke of the linear rack 42 sliding back and forth according to the number of the blades 12 of the propeller 1, for example, the propeller 1 with 6 blades, because the included angle between two adjacent blades 12 of the propeller 1 with 6 blades is 60 degrees, we need to adjust the linear rack 42 to drive the gear ring 41 to rotate 60 degrees every complete sliding, if the number of teeth of the gear ring 41 is 72 teeth, the angle of 1 tooth rotated by the gear ring 41 is 5 degrees, 60 degrees rotated by the gear ring 41 is needed, the linear rack 42 is needed to drive the gear ring 41 to rotate 12 teeth, that is, the stroke of the linear rack 42 is 12 teeth, the stroke of the linear rack 42 can be limited to 12 teeth by adjusting the front and back positions of the first lead screw 5 and the second lead screw 52, after the stroke of the linear rack 42 is adjusted, the linear rack 42 slides back to the second lead screw 52 to abut against the second baffle 53, then the propeller 1 is fixed on the clamping mechanism, when in fixation, one of the blades 12 of the propeller 1 needs to be pressed on the two slide bars 24, the inclination angle of the blade 12 can be measured from the measuring mechanism, after the measurement of the previous blade 23 is completed, a user pulls the linear rack 42 forwards through the handle 43, so that the linear rack 42 is matched with the gear ring 41, the one-way bearing 4, the positioning shaft 21 and the clamping mechanism to drive the propeller 1 to rotate anticlockwise until the first baffle 51 is abutted against the first screw rod 5, at this time, the propeller 1 rotates anticlockwise by 60 degrees, the next blade 23 just presses on the measuring mechanism, so that the next blade 23 can be measured, the detected blade 23 directly slides through the two slide bars 24 along with the rotation of the propeller 1, when the next blade 23 is measured, the linear rack 42 is pushed backwards to the terminal point through the handle 43, and then the next blade 23 is pulled forwards to the terminal point, the above-mentioned operation of circulation just can detect all paddles 23, and this angle detection mode operation is succinct convenient, and can carry out the continuous detection to each paddle 12 of propeller 1, and detection efficiency is higher, can also be suitable for the propeller 1 of different paddle 12 numbers in addition, and the practicality is higher.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.