CN203349785U - Laser measurement device and system for adjustable propeller blade - Google Patents
Laser measurement device and system for adjustable propeller blade Download PDFInfo
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- CN203349785U CN203349785U CN 201320276253 CN201320276253U CN203349785U CN 203349785 U CN203349785 U CN 203349785U CN 201320276253 CN201320276253 CN 201320276253 CN 201320276253 U CN201320276253 U CN 201320276253U CN 203349785 U CN203349785 U CN 203349785U
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- displacement sensor
- propeller blade
- laser displacement
- moving mechanism
- adjustable propeller
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Abstract
The utility model discloses a laser measurement device for an adjustable propeller blade. The device comprises a base, a rotating platform, a laser displacement sensor, a horizontal movement mechanism and a longitudinal movement mechanism, wherein the base is used for supporting other components of the measurement device, the rotating platform is mounted on the base and used for placing and rotating the adjustable propeller blade to be measured, the horizontal movement mechanism is used for adjusting the position of the laser displacement sensor relative to a measuring point on the adjustable propeller blade in a horizontal direction, the longitudinal movement mechanism is used for adjusting the position of the laser displacement sensor relative to the measuring point on the adjustable propeller blade in a longitudinal direction, and the laser displacement sensor is used for collecting distance between the measuring point on the adjustable propeller blade and the laser displacement sensor. The utility model provides a laser measurement system for the adjustable propeller blade. The system uses a laser trigonometric survey principle to acquire special coordinates of the measuring point, realizes full-automatic measurement of the adjustable propeller blade, and effectively improves measurement accuracy and efficiency.
Description
Technical field
The utility model belongs to advanced field of measuring technique, is specifically related to a kind of laser measuring device for measuring for the adjustable propeller blade and system.
Background technology
At present aviation, navigation and automotive field, free form surface class part has increasing application, and this just has higher requirement to the measurement of free form surface class workpiece, and measuring accuracy and efficiency directly have influence on precision and the efficiency of part processing.
Large-scale marine propeller is as typical complex-curved class workpiece, the precision of the shape of its blade affects angle of rake performance to a great extent, the blade of adjustable pitch propeller is as a kind of new blade form, use on ships also can be more and more extensive, the blade of adjustable pitch propeller is not fixed on propeller hub, can rotate around the axis perpendicular to the oar axle.Utilize the catanator in propeller hub to rotate blade, change the angle of pitch, thereby change the size and Orientation of thrust, advance to adapt to naval vessels, retreat, stop and the requirement such as speed change.Adjustable pitch propeller can take full advantage of power and the rotating speed of main frame under different running working conditions, utilizes stepless change, but complex structure, cost is high, and maintenance difficulty is large, therefore very high to the accuracy requirement of processing and manufacturing.
At present in propeller processing class enterprise, be generally staff by factory by survey instrument, as clamp, clock gauge, thread pitch gauge etc., each geometric parameter of blade is measured, use once in a while three-coordinates measuring machine as supplementary instrument.Adopting this is manually that master, machine are auxiliary measuring method, and measurement range is limited, and non-cutting time is longer, and equipment investment is large, has secondary clamping positioning error and the artificial operate miss of introducing simultaneously.
The utility model content
Manufacture the measurement problem in field in order to solve the adjustable propeller blade, the utility model provides a kind of adjustable propeller blade laser measuring device for measuring and system, realizes all automatic measurement of adjustable propeller blade, effectively improves measuring accuracy and efficiency.
A kind of adjustable propeller blade laser measuring device for measuring, comprise base, universal stage, laser displacement sensor, transverse moving mechanism and longitudinal moving mechanism;
Base, for supporting other parts of measurement mechanism;
Universal stage, be installed on base, for placing and rotating adjustable propeller blade to be measured;
Transverse moving mechanism, be installed on base, for the position of measuring point on the relative adjustable propeller blade of adjusted laser displacement sensor in the horizontal direction;
Longitudinal moving mechanism, be installed on transverse moving mechanism, regulates the position of measuring point on the relative adjustable propeller blade of laser displacement sensor in the vertical direction;
Laser displacement sensor, be installed on longitudinal moving mechanism, for gathering the distance between measuring point and laser displacement sensor on the adjustable propeller blade.
Further, described transverse moving mechanism comprises transverse shifting platform, the first ball-screw, the first servomotor and the first grating scale be installed on base, the first servomotor is for driving transverse shifting platform transverse shifting, the transverse shifting displacement of the first grating scale for measuring the transverse shifting platform by the first ball-screw.
Further, described longitudinal moving mechanism comprises vertical frame, vertically moves piece, the second ball-screw, the second servomotor and the second grating scale, vertically frame is installed on described transverse shifting platform, vertically moving piece, the second ball-screw and the second grating scale is installed on vertical frame, the second servomotor vertically moves for by the second ball-screw driving, vertically moving piece, and the second grating scale is for measuring the displacement that vertically moves that vertically moves piece.
Further, described laser displacement sensor adopts the pointolite laser displacement sensor.
A kind of adjustable propeller blade laser measurement system, comprise
Base, for supporting other parts of measurement mechanism;
Universal stage, be installed on base, for placing and rotating adjustable propeller blade to be measured, so that the being tested surface of adjustable propeller blade is towards laser displacement sensor;
Transverse moving mechanism, be installed on base, for the position of measuring point on the relative adjustable propeller blade of adjusted laser displacement sensor in the horizontal direction;
Longitudinal moving mechanism, be installed on transverse moving mechanism, regulates the position of measuring point on the relative adjustable propeller blade of laser displacement sensor in the vertical direction;
Laser displacement sensor, be installed on longitudinal moving mechanism, for gathering the distance between measuring point and laser displacement sensor on the adjustable propeller blade;
Control center, connect respectively universal stage, longitudinal moving mechanism, transverse moving mechanism and laser displacement sensor, for controlling universal stage rotation so that the being tested surface of adjustable propeller blade towards laser displacement sensor, for the motion of controlling longitudinal moving mechanism and transverse moving mechanism with mobile laser displacement sensor to target location, receive the positional information of the laser displacement sensor of longitudinal moving mechanism and transverse moving mechanism feedback, receive the measuring point of laser displacement sensor collection and the range information between sensor, the volume coordinate that calculates measuring point in conjunction with positional information and the range information between blade measuring point and sensor of laser displacement sensor.
Further, described control center comprises motion control card and laser detection module, and the laser detection module comprises that cad model imports module, measuring point path planning module, measurement parameter load module, data communication module and measured data processing module;
Cad model imports module, for importing the cad model of adjustable propeller blade to be measured;
The measuring point path planning module, determine that for the geological information of foundation cad model measuring point distributes, the planning survey path, and then generate the measurement instruction, will measure instruction and send motion control card to;
The measurement parameter load module, for inputting the running parameter of laser displacement sensor;
Data communication module, for the positional information of the laser displacement sensor that receives longitudinal moving mechanism and transverse moving mechanism feedback, receive blade measuring point that laser displacement sensor gathers and the range information between sensor;
Measured data processing module, calculate the volume coordinate of measuring point for the range information between the positional information in conjunction with laser displacement sensor and blade measuring point and sensor;
Motion control card, for receiving the measurement instruction from the measuring point path planning module, according to the motion of measuring instruction control universal stage, longitudinal moving mechanism and transverse moving mechanism.
Described measurement parameter load module is also for inputting the material information of workpiece for measurement further, and described measured data processing module is also revised for the range information between measuring point and sensor on the adjustable propeller blade of the material information of foundation workpiece for measurement and the collection of laser work parameter on laser displacement transducer.
In general, compared with prior art, the utility model adopts laser displacement sensor to obtain the volume coordinate of measuring point to the above technical scheme of conceiving by the utility model, and measuring accuracy is high; This measurement mechanism is arranged on industry spot, simple in structure, and it is convenient to control.Utilize the measurement depth of field that laser displacement sensor is larger, can carry out all standing measurement to the point on blade, greatly improve measuring accuracy and efficiency.
The accompanying drawing explanation
Fig. 1 is the utility model adjustable propeller blade measurement mechanism in-site measurement schematic diagram;
Fig. 2 is the utility model measurement mechanism schematic three dimensional views;
The workflow diagram that Fig. 3 is the utility model adjustable propeller blade laser detection system.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition, below in each embodiment of described the utility model involved technical characterictic as long as form each other conflict, just can mutually not combine.
Know-why of the present utility model is: the measurement of coordinates of measuring point is based on the laser triangulation principle, the laser beam that laser displacement sensor sends projects the testee surface and reflects, CCD element in sensor is determined the distance of measured point to optical flame detector by receiving reflection ray, then according to the position of sensor, determines the volume coordinate of measuring point.
Based on above-mentioned know-why, the utility model proposes a kind of laser measuring device for measuring of adjustable propeller blade, as shown in Figure 1, this device comprises base 1, universal stage 2, transverse moving mechanism 3 and longitudinal moving mechanism 4 and laser displacement sensor 5.Base 1 is for supporting other parts of measurement mechanism; Universal stage 2, be installed on base, for placing and rotating adjustable propeller blade to be measured; Transverse moving mechanism 3, be installed on base, for the position of measuring point on the relative adjustable propeller blade of adjusted laser displacement sensor in the horizontal direction; Laser displacement sensor 5, be installed on longitudinal moving mechanism, for gathering the distance between measuring point and laser displacement sensor on the adjustable propeller blade.
Below provide a preferably embodiment.
Transverse moving mechanism comprises transverse shifting platform, the first ball-screw, the first servomotor and the first grating scale be installed on base, the first servomotor is for driving transverse shifting platform transverse shifting, the transverse shifting displacement of the first grating scale for measuring the transverse shifting platform by the first ball-screw.
Longitudinal moving mechanism comprises vertical frame, vertically moves piece, the second ball-screw, the second servomotor and the second grating scale, vertically frame is installed on described transverse shifting platform, vertically moving piece, the second ball-screw and the second grating scale is installed on vertical frame, the second servomotor vertically moves for by the second ball-screw driving, vertically moving piece, and the second grating scale is for measuring the displacement that vertically moves that vertically moves piece.Vertically frame is in the initial position of base right-hand member, and the adjustable propeller blade is lifted on universal stage by boom hoisting, by the register pin on universal stage and fixture, carrys out location and installation.
Laser displacement sensor adopts the pointolite laser displacement sensor.
Adjustable propeller is arranged on universal stage, relies on the register pin on universal stage accurately to locate.Universal stage 2 can rotate on base, drives the angle of the accurate Rotate 180 of adjustable propeller blade °.The first and second grating scales adopt long grating scale.
Laser displacement sensor is as main surveying instrument, and two long grating scales are as auxiliary measuring instrument.During measurement, vertical frame moves in a lateral direction, and the motion of laser displacement sensor in the vertical direction, can complete the measurement of any point on propeller blade, also can be measured according to the grid of advance planning.After measuring one side, universal stage drives screw propeller and rotates 180 °, starts another side is measured, and two groups of measurement data are processed through the software amalgamation, can set up the accurate three-dimensional model of propeller blade.
During measurement, laser displacement sensor moves to precalculated position, path according to advance planning is measured, vertically move moving up and down of piece and all adopt the mode of stepping with the side-to-side movement of transverse shifting platform, form according to grid covers whole propeller blade, anyhow two grating scales record the position coordinates of net point, and laser displacement sensor obtains the range coordinate of putting on blade, by data acquisition system (DAS), measurement data is returned.After measuring one side, vertically frame is got back to the initial position of low order end, and universal stage rotates 180 °, and screw propeller is turned to a face, then measures in the same way.Last data are processed by the software amalgamation, set up the three-dimensional model of adjustable propeller blade, instruct processing and the correction of workpiece.
Based on said apparatus, the utility model also provides the measuring system based on above-mentioned laser measuring device for measuring, above-mentioned measurement mechanism and control center.Control center comprises motion control card and laser detection module, and the laser detection module comprises that cad model imports module, measuring point path planning module, measurement parameter load module, data communication module and measured data processing module.
Cad model imports module, for importing the cad model of adjustable propeller blade to be measured;
The measuring point path planning module, determine that for the geological information of foundation cad model measuring point distributes, the planning survey path, and then generate the measurement instruction, will measure instruction and send motion control card to;
The measurement parameter load module, for inputting the running parameter of laser displacement sensor;
Data communication module, for the positional information of the laser displacement sensor that receives longitudinal moving mechanism and transverse moving mechanism feedback, receive blade measuring point that laser displacement sensor gathers and the range information between sensor;
Measured data processing module, calculate the volume coordinate of measuring point for the range information between the positional information in conjunction with laser displacement sensor and blade measuring point and sensor;
Motion control card, for receiving the measurement instruction from the measuring point path planning module, according to the motion of measuring instruction control universal stage, longitudinal moving mechanism and transverse moving mechanism.
Described measurement parameter load module is also for inputting the material information of workpiece for measurement, described measured data processing module is also revised the range information between measuring point and sensor on the adjustable propeller blade of laser displacement sensor collection for material information and the laser displacement sensor incident angle of foundation workpiece for measurement, be specially: the error that prior mode is by experiment measured different angles and unlike material to laser displacement sensor is carried out checking repeatedly, the rendering error curve, design example is embedded in measured data processing module as the correction algorithm of difference arithmetic.Because the master pattern of workpiece is known, the incident angle of laser beam on each measuring point is exactly known, utilizes the algorithm of design just can be revised error, makes revised measured value approach as much as possible actual value.
The workflow diagram that Fig. 3 is measuring system, measure while starting, at first will import the cad model of adjustable propeller blade, extract the geometric properties of model the state of real-time demonstration realistic model through explaining, after translation, according to the geological information planning survey path of model and and the distribution of measuring point, generate and measure instruction, control center carries out measures instruction, laser displacement sensor is measured according to the path of control center's planning, and the coordinate of the point at every turn recorded is back to the control system storage in time.After having detected the one side of adjustable propeller blade, universal stage Rotate 180 °, start the repetition said process and measure another side, until all point measurements are complete.After screw propeller detects, control system is carried out error correction according to adjustable propeller blade material information and laser displacement sensor incident angle to data, utilizes revised data to set up the three-dimensional model of propeller blade, and measurement result is exported with report form.Realize the surplus distribution of blank by calculating, instruct the production and processing of enterprise.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an adjustable propeller blade laser measuring device for measuring, is characterized in that, comprises base, universal stage, laser displacement sensor, transverse moving mechanism and longitudinal moving mechanism;
Base, for supporting other parts of measurement mechanism;
Universal stage, be installed on base, for placing and rotating adjustable propeller blade to be measured;
Transverse moving mechanism, be installed on base, for the position of measuring point on the relative adjustable propeller blade of adjusted laser displacement sensor in the horizontal direction;
Longitudinal moving mechanism, be installed on transverse moving mechanism, regulates the position of measuring point on the relative adjustable propeller blade of laser displacement sensor in the vertical direction;
Laser displacement sensor, be installed on longitudinal moving mechanism, for gathering the distance between measuring point and laser displacement sensor on the adjustable propeller blade.
2. adjustable propeller blade laser measuring device for measuring according to claim 1, it is characterized in that, described transverse moving mechanism comprises transverse shifting platform, the first ball-screw, the first servomotor and the first grating scale be installed on base, the first servomotor is for driving transverse shifting platform transverse shifting, the transverse shifting displacement of the first grating scale for measuring the transverse shifting platform by the first ball-screw.
3. adjustable propeller blade laser measuring device for measuring according to claim 2, it is characterized in that, described longitudinal moving mechanism comprises vertical frame, vertically moves piece, the second ball-screw, the second servomotor and the second grating scale, vertically frame is installed on described transverse shifting platform, vertically moving piece, the second ball-screw and the second grating scale is installed on vertical frame, the second servomotor vertically moves for by the second ball-screw driving, vertically moving piece, and the second grating scale is for measuring the displacement that vertically moves that vertically moves piece.
4. adjustable propeller blade laser measuring device for measuring according to claim 1, is characterized in that, described laser displacement sensor adopts the pointolite laser displacement sensor.
5. an adjustable propeller blade laser measurement system, is characterized in that, comprises
Base, for supporting other parts of measurement mechanism;
Universal stage, be installed on base, for placing and rotating adjustable propeller blade to be measured, so that the being tested surface of adjustable propeller blade is towards laser displacement sensor;
Transverse moving mechanism, be installed on base, for the position of measuring point on the relative adjustable propeller blade of adjusted laser displacement sensor in the horizontal direction;
Longitudinal moving mechanism, be installed on transverse moving mechanism, regulates the position of measuring point on the relative adjustable propeller blade of laser displacement sensor in the vertical direction;
Laser displacement sensor, be installed on longitudinal moving mechanism, for gathering the distance between measuring point and laser displacement sensor on the adjustable propeller blade;
Control center, connect respectively universal stage, longitudinal moving mechanism, transverse moving mechanism and laser displacement sensor, for controlling universal stage rotation so that the being tested surface of adjustable propeller blade towards laser displacement sensor, for the motion of controlling longitudinal moving mechanism and transverse moving mechanism with mobile laser displacement sensor to target location, receive the positional information of the laser displacement sensor of longitudinal moving mechanism and transverse moving mechanism feedback, receive the measuring point of laser displacement sensor collection and the range information between sensor, the volume coordinate that calculates measuring point in conjunction with positional information and the range information between blade measuring point and sensor of laser displacement sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320276253 CN203349785U (en) | 2013-05-20 | 2013-05-20 | Laser measurement device and system for adjustable propeller blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320276253 CN203349785U (en) | 2013-05-20 | 2013-05-20 | Laser measurement device and system for adjustable propeller blade |
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| CN203349785U true CN203349785U (en) | 2013-12-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307984A (en) * | 2013-05-20 | 2013-09-18 | 华中科技大学 | Laser measuring device, laser measuring system and laser measuring method for adjustable paddle blade |
| CN104316016A (en) * | 2014-11-03 | 2015-01-28 | 沈阳黎明航空发动机(集团)有限责任公司 | Longitudinal measurement method for blisk complex curved surface blade |
| CN108759686A (en) * | 2018-08-01 | 2018-11-06 | 浙江朗奥物流科技有限公司 | A kind of roller Geometrical Parameter Testing experimental rig |
| CN109556519A (en) * | 2018-11-07 | 2019-04-02 | 西北工业大学 | A kind of extension deforming high precision measuring device and method |
| CN113739750A (en) * | 2021-08-25 | 2021-12-03 | 成都信息工程大学 | Airplane control surface measuring device and measuring method |
-
2013
- 2013-05-20 CN CN 201320276253 patent/CN203349785U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307984A (en) * | 2013-05-20 | 2013-09-18 | 华中科技大学 | Laser measuring device, laser measuring system and laser measuring method for adjustable paddle blade |
| CN103307984B (en) * | 2013-05-20 | 2016-08-10 | 华中科技大学 | A kind of laser measuring device for measuring for adjustable propeller blade, system and method |
| CN104316016A (en) * | 2014-11-03 | 2015-01-28 | 沈阳黎明航空发动机(集团)有限责任公司 | Longitudinal measurement method for blisk complex curved surface blade |
| CN104316016B (en) * | 2014-11-03 | 2017-08-04 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of longitudinal measuring method of the complex-curved blade of blisk |
| CN108759686A (en) * | 2018-08-01 | 2018-11-06 | 浙江朗奥物流科技有限公司 | A kind of roller Geometrical Parameter Testing experimental rig |
| CN109556519A (en) * | 2018-11-07 | 2019-04-02 | 西北工业大学 | A kind of extension deforming high precision measuring device and method |
| CN113739750A (en) * | 2021-08-25 | 2021-12-03 | 成都信息工程大学 | Airplane control surface measuring device and measuring method |
| CN113739750B (en) * | 2021-08-25 | 2023-07-04 | 成都信息工程大学 | Airplane control surface measuring device and measuring method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |