CN206177207U - Pitchometer - Google Patents
Pitchometer Download PDFInfo
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- CN206177207U CN206177207U CN201621197715.1U CN201621197715U CN206177207U CN 206177207 U CN206177207 U CN 206177207U CN 201621197715 U CN201621197715 U CN 201621197715U CN 206177207 U CN206177207 U CN 206177207U
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- measurement
- swing arm
- pitchometer
- chuck
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a pitchometer for measure the pitch of screw, include chuck, frame, platform, swing arm and set up the gage beam in the swing arm perpendicularly, platform installation is in the frame, the chuck is installed on the platform, be provided with the single -revolution axle on the platform, the swing arm is rotated and is installed on the revolving axle to it is parallel with the platform, the swing arm is improved level and is provided with the transmission lead screw, the gage beam is installed on the transmission lead screw, be equipped with the telescopic measuring stick on the gage beam, be provided with the measuring head on the measuring stick. The measurement of pitch of propeller on three dimensions can be realized through swing arm and gage beam to this measuring apparatu, utilizes electric control system can realize that full automatic measures, and the flexible operation is suitable for middle -size and small -size pitch of propeller and measures, and structural design is ingenious for this measuring apparatu, and the measurement is accurate, degree of automation is high.
Description
Technical field
The utility model is related to airscrew pitch fields of measurement, more particularly to a kind of pitchometer.
Background technology
Propeller for vessels is one of important component of ship power propulsion system, and its working condition directly influences ship
The operation cost of oceangoing ship.Under nominal situation, when blade rubs in water with water, blade surface can produce a small amount of bubble.Bubble exists
Being ruptured under subnormal ambient can be inevitable to blade generation cavitation corrosion and frictional dissipation.The result is that blade side gradually becomes
Thin, blade effective active area is gradually reduced, and propeller deadweight gradually mitigates, and causes z-type propulsion unbalance, shafting vibrations aggravation,
Bearing wear increases, and results even in axis disalignment when serious, and propulsive efficiency reduction, oil consumption increases, the problems such as the speed of a ship or plane declines, very
To causing the ship cannot normal/cruise.Therefore in production or maintenance, the operating mode inspection of propeller is also numerous to propeller for vessels
Key project in Items, and an important parameter for weighing propeller operating mode is exactly --- propeller geometrical mean pitch.Mesh
Before, the thread indicator applied in market of ship is typically all manually operated, uses more complicated, has measured a propeller
Need the time for spending very long, and precision is not high, and measurement error is larger.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of pitchometer, and the measuring instrument leads to
Crossing swing arm and measurement arm can realize measurement of the airscrew pitch on three dimensions, can be realized entirely using electric control system
The measurement of automation, the measuring instrument smart structural design, measurement is accurate, high degree of automation.
The utility model solve technical scheme that its technical problem used for：
A kind of pitchometer, the pitch for measuring propeller, including chuck, frame, platform, swing arm and vertically set
The measurement arm in swing arm is put, in frame, the chuck is arranged on platform the stage+module, is provided with the platform
Single-revolution axle, the swing arm is rotatably installed on gyroaxis, and and platform parallel, being horizontally disposed with the swing arm has driving wire
Bar, the measurement arm is arranged on drive lead screw, and the measurement arm is provided with telescopic measurement bar, is set in the measurement bar
There is measurement head.
Used as the improvement of above-mentioned technical proposal, the chuck bottom is provided with the first stepper motor, the first stepping electricity
Encoder is provided between machine and chuck.
Used as the improvement of above-mentioned technical proposal, the measurement arm upper end is provided with linear electric motors.
Used as the improvement of above-mentioned technical proposal, one end of the drive lead screw is connected with the second stepper motor.
As the improvement of above-mentioned technical proposal, electrical control cabinet is provided with the frame.
As the improvement of above-mentioned technical proposal, it is provided with the platform to zero piece.
As the improvement of above-mentioned technical proposal, touch control screen is set on the platform.
Used as the improvement of above-mentioned technical proposal, the measurement head uses touch trigger probe.
The beneficial effects of the utility model have：
This measuring instrument can realize measurement of the airscrew pitch on three dimensions by swing arm and measurement arm, using electric
Control system can realize the measurement of full-automation, and operation is flexible, be suitable for middle-size and small-size airscrew pitch measurement, the measuring instrument knot
Structure design is ingenious, and measurement is accurate, high degree of automation.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail, wherein：
Fig. 1 is the utility model example structure schematic diagram.
Specific embodiment
Referring to Fig. 1, a kind of pitchometer of the present utility model, the pitch for measuring propeller 1, including chuck 2, machine
Frame 3, platform 4, swing arm 5 and the measurement arm 6 being vertically set in swing arm 5, the platform 4 is fixedly mounted in frame 3, described
It is provided with frame 3 in electrical control cabinet 14, electrical control cabinet 14 and is provided with electric control system and background PC computer, the platform 4
Upper setting touch control screen 16, touch control screen 16 is connected with background PC computer, and touch control screen 16 controls the measurement work of measuring instrument
Make.The chuck 2 is arranged on platform 4, is provided with the platform 4 to zero piece 15, and zero piece 15 is mainly entered to measuring instrument
Row zeroing, advantageously ensures that the accuracy of measurement, while being easy to the arithmetic system of background PC computer to the calculation process of measurement data.
The bottom of the chuck 2 is provided with the first stepper motor 11, and encoder is provided between first stepper motor 11 and chuck 2,
The control chuck 2 of first stepper motor 11 is rotated, and the rotational angle of chuck 2 can be converted into data signal and then by number by encoder
According in transmission line to background PC computer, then by feedback signal transmission to electric control system after the completion of background PC computer computing,
Controlling the first stepper motor 11 carries out the motion of next step.
Single-revolution axle 7 is provided with the platform 4, the swing arm 5 is rotatably installed on gyroaxis 7, and flat with platform 4
OK.Being horizontally disposed with the swing arm 5 has drive lead screw 8, and the measurement arm 6 is arranged on drive lead screw 8, the drive lead screw 8
One end be connected with the second stepper motor 13, the control measurement horizontal movement on turn-screw 8 of arm 6 of the second stepper motor 13, with
Just different space measurements are adapted to.Measurement arm 6 upper end is provided with linear electric motors 12, and the measurement arm 6 is provided with scalable
Measurement bar 9, linear electric motors 12 control measurement bar 9 move in z-direction, adapt to different height measurement, in the measurement bar 9
Gauge head 10 is provided with, the gauge head 10 uses touch trigger probe, and this gauge head sensitivity is high, can three-dimensional touching measurement；Gauge head 10
It is connected with the background PC computer in electrical control cabinet 14 by data line with linear electric motors 12, when background PC computer computing is completed
Signal back electric control system, electric control system control linear electric motors 12 are moved.
When propeller to be measured 1 to be placed on chuck 2 and lock, while controlling the survey of measuring instrument by touch control screen 16
First 10 return to zero on to zero piece 15, the control measurement horizontal movement on turn-screw 8 of arm 6 of the second stepper motor 13, then control
Measuring instrument looks for tested point surely on a certain blade of propeller 1, then controls measuring instrument to measure, and measurement data is made
It is the first reference value, the control of linear electric motors 12 measurement bar 9 then measured on arm 6 rises.Set in touch control screen 16 simultaneously
The number of propeller blade is put, background PC computer calculates every propeller blade and the first reference value identical position automatically, by signal
Electric control system is fed back to, electric control system controls the first stepper motor 11 to operate, encoder record rotational angle.When turn
Dynamic angle reaches the angle of background PC computer computing, and the first stepper motor 11 shuts down, while measuring the linear electric motors 12 on arm 6
Control measurement bar 9 declines, gauge head 10 contacted with propeller blade after by signal back background PC computer, record and by computing, backstage
Measurement bar 9 is risen PC signal back electric control system, electric control system control linear electric motors 12, completes one
Blade is measured, and repeats above-mentioned action until being measured all blades.
The above, simply better embodiment of the present utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as it reaches technique effect of the present utility model with any same or similar means, should all belong to of the present utility model
Protection domain.
Claims (8)
1. a kind of pitchometer, for measuring propeller（1）Pitch, it is characterised in that：Including chuck（2）, frame（3）、
Platform（4）, swing arm（5）And it is vertically set on swing arm（5）On measurement arm（6）, the platform（4）Installed in frame（3）On,
The chuck（2）Installed in platform（4）On, the platform（4）On be provided with single-revolution axle（7）, the swing arm（5）Rotate and install
In gyroaxis（7）On, and and platform（4）It is parallel, the swing arm（5）Upper being horizontally disposed with has drive lead screw（8）, the measurement arm
（6）Installed in drive lead screw（8）On, the measurement arm（6）It is provided with telescopic measurement bar（9）, the measurement bar（9）On set
It is equipped with measurement head（10）.
2. a kind of pitchometer according to claim 1, it is characterised in that：The chuck（2）Bottom is provided with first
Stepper motor（11）, first stepper motor（11）And chuck（2）Between be provided with encoder.
3. a kind of pitchometer according to claim 1, it is characterised in that：The measurement arm（6）Upper end is provided with directly
Line motor（12）.
4. a kind of pitchometer according to claim 1, it is characterised in that：The drive lead screw（8）One end connection
There is the second stepper motor（13）.
5. a kind of pitchometer according to claim 1, it is characterised in that：The frame（3）On be provided with electric-controlled
Cabinet processed（14）.
6. a kind of pitchometer according to claim 1, it is characterised in that：The platform（4）On be provided with to zero piece
（15）.
7. a kind of pitchometer according to claim 1, it is characterised in that：The platform（4）Upper setting touch control
Screen（16）.
8. a kind of pitchometer according to claim 1, it is characterised in that：The measurement head（10）Surveyed using trigger-type
Head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197715.1U CN206177207U (en) | 2016-11-04 | 2016-11-04 | Pitchometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197715.1U CN206177207U (en) | 2016-11-04 | 2016-11-04 | Pitchometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177207U true CN206177207U (en) | 2017-05-17 |
Family
ID=58681448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621197715.1U Active CN206177207U (en) | 2016-11-04 | 2016-11-04 | Pitchometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177207U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449343A (en) * | 2017-09-07 | 2017-12-08 | 山东交通学院 | A kind of experimental rig and method for being used to measure height of Marshall specimen and temperature |
| CN108955489A (en) * | 2018-08-14 | 2018-12-07 | 广州中船文冲船坞有限公司 | A kind of adjustable pitch propeller pitch measurement device |
| CN109764847A (en) * | 2018-12-29 | 2019-05-17 | 镇江同舟螺旋桨有限公司 | A kind of new type propeller pitchometer |
| CN110672299A (en) * | 2019-11-07 | 2020-01-10 | 中国航空工业集团公司哈尔滨空气动力研究所 | Blade angle measuring and adjusting device based on ducted tail rotor wind tunnel test |
| CN113358084A (en) * | 2021-04-30 | 2021-09-07 | 武汉船用机械有限责任公司 | Device for determining a pitch feedback signal |
| CN114659481A (en) * | 2022-03-04 | 2022-06-24 | 广西玉柴船电动力有限公司 | Method for measuring pitch of marine propeller |
-
2016
- 2016-11-04 CN CN201621197715.1U patent/CN206177207U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449343A (en) * | 2017-09-07 | 2017-12-08 | 山东交通学院 | A kind of experimental rig and method for being used to measure height of Marshall specimen and temperature |
| CN108955489A (en) * | 2018-08-14 | 2018-12-07 | 广州中船文冲船坞有限公司 | A kind of adjustable pitch propeller pitch measurement device |
| CN108955489B (en) * | 2018-08-14 | 2024-03-08 | 广州文冲船舶修造有限公司 | Pitch measuring device of adjustable-pitch propeller |
| CN109764847A (en) * | 2018-12-29 | 2019-05-17 | 镇江同舟螺旋桨有限公司 | A kind of new type propeller pitchometer |
| CN110672299A (en) * | 2019-11-07 | 2020-01-10 | 中国航空工业集团公司哈尔滨空气动力研究所 | Blade angle measuring and adjusting device based on ducted tail rotor wind tunnel test |
| CN113358084A (en) * | 2021-04-30 | 2021-09-07 | 武汉船用机械有限责任公司 | Device for determining a pitch feedback signal |
| CN114659481A (en) * | 2022-03-04 | 2022-06-24 | 广西玉柴船电动力有限公司 | Method for measuring pitch of marine propeller |
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