CN110360927A - One kind is grown up component amount of deflection rapid measurement device and measurement method - Google Patents
One kind is grown up component amount of deflection rapid measurement device and measurement method Download PDFInfo
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- CN110360927A CN110360927A CN201910672578.4A CN201910672578A CN110360927A CN 110360927 A CN110360927 A CN 110360927A CN 201910672578 A CN201910672578 A CN 201910672578A CN 110360927 A CN110360927 A CN 110360927A
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- measurement
- workpiece
- deflection
- sensor
- laser displacement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
It grows up component amount of deflection rapid measurement device and measurement method the invention discloses one kind, measuring device includes rack, along the setting of same straight line, there are three ball-screw mould groups in rack, one end of ball-screw mould group is provided with servo motor, slide unit is fixedly installed on mounting plate above ball-screw mould group, L-shaped installing plate is provided on slide unit, the upper end of L-shaped installing plate is provided with laser displacement sensor；It is relatively set with correlation laser sensor respectively in the L-shaped installing plate of two sides；Controller is provided in rack, the controller is electrically connected with laser displacement sensor, servo motor, correlation laser sensor；Measurement method includes being placed in measuring device below workpiece for measurement, and keep rack parallel with workpiece for measurement.The present invention is able to solve lacks the problem of accurately being measured the amount of deflection for component of growing up in the prior art, and detection accuracy is high, controllability is strong, detection speed is fast.
Description
Technical field
The present invention relates to rail vehicle technical fields, and in particular to one kind is grown up component amount of deflection rapid measurement device and measurement
Method.
Background technique
Amount of deflection refers to that bar bobbin thread is in the line position perpendicular to axis direction in stress or the variation of temperature non-uniform temperature
It moves；The presence of amount of deflection especially just becomes apparent in workpiece of growing up, in the components for requiring planarity requirements high,
Such as EMU or Subway Body domain, the measurement of amount of deflection is with regard to particularly important.
Measurement means at this stage are relatively simple, will cause measuring device peace when the measurement for components of growing up
Equipped with deviation, and it cannot effectively remove to control the accurate location of each measurement point, while some traditional measurement methods obtain
Data precision it is not high, measurement error is larger；Other amount of deflection direct methods of measurement are used simultaneously, either lay or eliminate instrument
Table, all can more many and diverse time-consuming it is long.
Summary of the invention
The present invention is directed to above-mentioned deficiency in the prior art, provides one kind and is able to solve and lacks in the prior art to growing up
The component amount of deflection rapid measurement device of growing up of the problem of method that the amount of deflection of component is accurately measured.
In order to solve the above technical problems, present invention employs following technical proposals:
It provides one kind to grow up component amount of deflection rapid measurement device comprising rack is provided in rack along same straight line
Three ball-screw mould groups, one end of ball-screw mould group are provided with servo motor, on the mounting plate above ball-screw mould group
It is fixedly installed slide unit, L-shaped installing plate is provided on slide unit, the upper end of L-shaped installing plate is provided with laser displacement sensor；It is located at
Correlation laser sensor is relatively set in the L-shaped installing plate of two sides respectively；Controller, the controller are provided in rack
It is electrically connected with laser displacement sensor, servo motor, correlation laser sensor.
In above-mentioned technical proposal, it is preferred that offered at the position opposite with correlation laser sensor in L-shaped installing plate
Through-hole.
In above-mentioned technical proposal, it is preferred that be located in the middle on the through-hole of L-shaped installing plate and be provided with barn door.
In above-mentioned technical proposal, it is preferred that the centre of barn door offers a pit.
In above-mentioned technical proposal, it is preferred that rack is set on vertical sliding platform.
The present invention also provides a kind of measurement methods based on above-mentioned component amount of deflection rapid measurement device of growing up comprising such as
Lower step:
S1, measuring device is placed in below workpiece for measurement, and keeps rack parallel with workpiece for measurement；
S2, servo motor drive slide unit, are located at the laser displacement sensor of two sides at the supporting point position of workpiece for measurement
And detect the distance of workpiece for measurement；
The intermediate slide unit of S3, servo motor driving, and by laser displacement sensor detect the maximum of workpiece for measurement away from
From, and be parked at the position of maximum distance；
S4, it is calibrated by height of the correlation laser sensor to workpiece；
S5, by the reading of three laser displacement sensors, the amount of deflection of workpiece for measurement is obtained after calculating.
Further, raised or sunken mark is provided at supporting point position.
Further, include: by the method that height of the correlation laser sensor to workpiece for measurement is calibrated
S1, with the correlation laser sensor of side be fixed point, adjust rack from vertical direction extremely using vertical sliding platform
Then setting height keeps shelf position to fix；
S2, two sides correlation laser sensor is opened, the intermediate height with the laser displacement sensor of the other side of adjustment makes
The laser of correlation laser sensor passes through barn door, and can receive for the correlation laser sensor of the other side.
Further, by the reading of three laser displacement sensors, the method for the amount of deflection of workpiece for measurement is obtained after calculating
The numerical value that any laser displacement sensor in both sides measures is subtracted for the numerical value that intermediate laser displacement sensor measures, is obtained to be measured
The deflection value of workpiece.
The above-mentioned main beneficial effect for growing up component amount of deflection rapid measurement device provided by the invention is:
The present invention, can be automatic to adjust according to workpiece size and feature by setting laser displacement sensor and servo motor
The position of whole each tested point；Simultaneously by setting correlation laser sensor, the horizontal position of measuring device is calibrated,
To improve the precision of laser displacement sensor measurement, reduces measurement error, improve the reliability of measurement.
Servo motor work is driven by setting controller, to realize automatic measurement, the measurement for component of growing up is mentioned
For more comprehensive, reliable foundation.
The main beneficial effect of the measurement method of above-mentioned component amount of deflection rapid measurement device of growing up provided by the invention is:
Identification by laser displacement sensor to measurement position, and laser displacement sensor is driven by servo motor
It is mobile, so as to realize the accurate location for automatically removing to adjust each tested point；By correlation laser sensor to workpiece
Height calibrated, so as to guarantee the precision of deflection metrology, overcome measurement error brought by installation site plane, energy
Automatic measurement is enough realized, to provide more comprehensive, reliable foundation for components measurement of growing up.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of L-type mounting plate part.
Wherein, 1, rack, 2, ball-screw mould group, 3, slide unit, 4, L-shaped installing plate, 5, correlation laser sensor, 6, swash
Optical displacement sensor, 7, workpiece for measurement, 8, servo motor, 9, barn door, 10, vertical sliding platform.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, it is the structural schematic diagram of component amount of deflection rapid measurement device of growing up.
Component amount of deflection rapid measurement device of growing up of the invention includes rack 1, in rack 1 along there are three the settings of same straight line
Ball-screw mould group 2, one end of ball-screw mould group 2 are provided with servo motor 8, on the mounting plate of 2 top of ball-screw mould group
It is fixedly installed slide unit 3, L-shaped installing plate 4 is provided on slide unit 3, the upper end of L-shaped installing plate 4 is provided with laser displacement sensor
6；It is relatively set with correlation laser sensor 6 respectively in the L-shaped installing plate 4 of two sides；It is provided with controller in rack, controls
Device processed is electrically connected with laser displacement sensor 6, servo motor 8, correlation laser sensor 5 respectively, to receive laser displacement biography
The detection data of sensor 6 and correlation laser sensor 5 simultaneously controls the movement of servo motor 8.
Optionally, controller is single-chip microcontroller, in order to record measurement data and handle.
Specifically, as shown in Fig. 2, being offered at position opposite with correlation laser sensor 5 in L-shaped installing plate 4 logical
Hole is located in the middle on the through-hole of L-shaped installing plate 4 and is provided with barn door 9.
Optionally, the centre of barn door 9 offers a pit.By the way that barn door 9 is arranged, reduce intermediate L-shaped installing plate 4
On through-hole size, so that the laser of correlation laser sensor 5 when side can be transmitted to the other side by barn door 9
When on correlation laser sensor 5, three laser displacement sensors 6 will be located at sustained height, and error is smaller.
Here is the measurement method of above-mentioned component amount of deflection rapid measurement device of growing up provided by the invention comprising following step
It is rapid:
S1, measuring device is placed in below workpiece for measurement, and keeps rack parallel with workpiece for measurement.
By setting parallel structure with workpiece for measurement 7 for rack 1, three laser displacement sensors 6 in rack 1
Upright projection with workpiece for measurement 7 is located along the same line, to be convenient for measuring.
S2, pass through 8 Mobile Slide of servo motor, the laser displacement sensor 6 of two sides is made to be located at the supporting point of workpiece for measurement 7
At position and detect the distance of workpiece for measurement 7.
Optionally, raised or sunken mark is provided at supporting point position, after facilitating laser displacement sensor 6 to measure,
It is identified by controller, two sides laser displacement sensor 6 is positioned with facilitating.
S3, the slide unit 3 intermediate by the movement of servo motor 8, and workpiece for measurement 7 is detected by laser displacement sensor 6
Maximum distance, and be parked at the position of maximum distance.
S4, it is calibrated by height of the correlation laser sensor 5 to workpiece for measurement 7.
Specific calibration method includes the following steps:
S4-1, with the correlation laser sensor 5 of side be fixed point, adjust machine from vertical direction using vertical sliding platform 10
Then frame 1 keeps 1 position of rack to fix to setting height.
S4-2, two sides correlation laser sensor 5, the intermediate height with the laser displacement sensor 6 of the other side of adjustment are opened
Degree makes the laser of correlation laser sensor 5 pass through barn door 9, and can receive for the correlation laser sensor 5 of the other side.
Three laser displacement sensors 6 are located at sustained height at this time.
S5, by the reading of three laser displacement sensors 6, the amount of deflection of workpiece for measurement 7 is obtained after calculating.
Circular is that the numerical value measured by intermediate laser displacement sensor 6 subtracts any laser displacement in both sides
The numerical value that sensor 6 measures obtains the deflection value of workpiece for measurement 7.
A specific embodiment of the invention is described above, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
Claims (9)
- The component amount of deflection rapid measurement device 1. one kind is grown up, which is characterized in that including rack, be provided in rack along same straight line Three ball-screw mould groups, one end of ball-screw mould group are provided with servo motor, on the mounting plate above ball-screw mould group It is fixedly installed slide unit, L-shaped installing plate is provided on slide unit, the upper end of L-shaped installing plate is provided with laser displacement sensor；It is located at Correlation laser sensor is relatively set in the L-shaped installing plate of two sides respectively；Controller, the controller are provided in rack It is electrically connected with laser displacement sensor, servo motor, correlation laser sensor.
- 2. component amount of deflection rapid measurement device according to claim 1 of growing up, which is characterized in that in the L-shaped installing plate Through-hole is offered at the position opposite with correlation laser sensor.
- 3. component amount of deflection rapid measurement device according to claim 2 of growing up, which is characterized in that described to be located in the middle L Barn door is provided on the through-hole of shape mounting plate.
- 4. component amount of deflection rapid measurement device according to claim 3 of growing up, which is characterized in that the centre of the barn door Offer a pit.
- 5. component amount of deflection rapid measurement device according to claim 1 of growing up, which is characterized in that the rack is set to perpendicular On straight sliding stand.
- 6. a kind of measurement method of component amount of deflection rapid measurement device according to any one of claims 1 to 5 of growing up, feature It is, includes the following steps:S1, measuring device is placed in below workpiece for measurement, and keeps rack parallel with workpiece for measurement；S2, servo motor drive slide unit, and the laser displacement sensor of two sides is made to be located at the supporting point position of workpiece for measurement and examine Measure the distance of workpiece for measurement；S3, servo motor drive intermediate slide unit, and the maximum distance of workpiece for measurement is detected by laser displacement sensor, and It is parked at the position of maximum distance；S4, it is calibrated by height of the correlation laser sensor to workpiece for measurement；S5, by the reading of three laser displacement sensors, the amount of deflection of workpiece for measurement is obtained after calculating.
- 7. the measurement method of component amount of deflection rapid measurement device according to claim 6 of growing up, which is characterized in that the branch Raised or sunken mark is provided at support point position.
- 8. the measurement method of component amount of deflection rapid measurement device according to claim 6 of growing up, which is characterized in that described logical Crossing the method that correlation laser sensor calibrates the height of workpiece includes:S1, with the correlation laser sensor of side be fixed point, using vertical sliding platform adjust from vertical direction rack to set Highly, then shelf position is kept to fix；S2, two sides correlation laser sensor is opened, adjustment is intermediate and the height of the laser displacement sensor of the other side, makes to penetrating The laser of formula laser sensor passes through barn door, and can receive for the correlation laser sensor of the other side.
- 9. the measurement method of component amount of deflection rapid measurement device according to claim 8 of growing up, which is characterized in that described logical The reading of three laser displacement sensors is crossed, the method that the amount of deflection of workpiece for measurement is obtained after calculating is intermediate laser displacement sensing The numerical value that device measures subtracts the numerical value that any laser displacement sensor in both sides measures, and obtains the deflection value of workpiece for measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672578.4A CN110360927B (en) | 2019-07-24 | 2019-07-24 | Device and method for quickly measuring deflection of long and large part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672578.4A CN110360927B (en) | 2019-07-24 | 2019-07-24 | Device and method for quickly measuring deflection of long and large part |
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| CN110360927A true CN110360927A (en) | 2019-10-22 |
| CN110360927B CN110360927B (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136253A (en) * | 2021-10-12 | 2022-03-04 | 甘肃光轩高端装备产业有限公司 | Deflection detection device |
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| CN110360927B (en) | 2020-11-06 |
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