CN110030933A - Optical centering deviation detection device based on change in resistance principle - Google Patents
Optical centering deviation detection device based on change in resistance principle Download PDFInfo
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- CN110030933A CN110030933A CN201910449154.1A CN201910449154A CN110030933A CN 110030933 A CN110030933 A CN 110030933A CN 201910449154 A CN201910449154 A CN 201910449154A CN 110030933 A CN110030933 A CN 110030933A
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Measurement Of Resistance Or Impedance (AREA)
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Abstract
Optical centering deviation detection device based on change in resistance principle, it is related to optical centering instrument technical field, including shell, the arranged on left and right sides of the shell has been respectively fixedly connected with inlet end and an outlet end, regulation is connected with baffle between the shell and outlet end, there are four spring leafs for the outside flexible connection of the shell, the left and right both ends of the spring leaf are connected with center bridge, it is connected with light source on the inside of the center bridge of left side, is connected with photo resistance on the inside of the center bridge of right side.The height of the height and photo resistance that make light source is on the same line, material is set to pass through import positioning mechanism and outlet positioning mechanism simultaneously, and contact outer ring with center bridge, center bridge can be pushed to move when material shifts, light source and photo resistance at this time is not point-blank, it can detect whether material tilts using the change in resistance of photo resistance, improve the Stability and veracity of the device testing result.
Description
Technical field
The present invention relates to optical centering instrument technical fields, and the optical centering specially based on change in resistance principle deviates inspection
Survey device.
Background technique
When carrying out engineering construction or Pipe installing is laid with operation, guarantee that the concentricity of scaffold or Pipe installing is safety
The important link of production is easy to produce scaffold or pipeline integrally if pipeline cannot be that pipeline shifts with one heart during installation
Raw displacement or inclination influence the safety of construction and the stabilization of structure, meanwhile, it is not corresponding when pipeline or scaffold shift
Detection and prior-warning device, early warning cannot timely be carried out by initial stage occur in safety accident, cause site operation personnel cannot and
When withdraw, there is great security risks.
To solve the above problems, inventor proposes the optical centering deviation detection device based on change in resistance principle,
Has the advantages of centering and deviation detection, by having the principle that light resistance rate is big, unglazed resistivity is small using photosensitive element, externally
It connects circuit and carries out real-time voltage measurement, can accurately judge whether material shifts and timely accordingly according to the variation of voltage
Early warning is made, while accuracy during installation can guarantee by self contering structure, operation is made while reducing the operating time more
Add conveniently.
Summary of the invention
For the purpose for realizing above-mentioned centering and deviation detection, the invention provides the following technical scheme: being based on change in resistance
The optical centering deviation detection device of principle, including shell, input end, outlet end, baffle, spring leaf, center bridge, light source, light
Quick resistance, import positioning mechanism, outlet positioning mechanism, material, fixed mechanism, positioning key and keyway.
Wherein: import positioning mechanism includes outer ring, positioning seat, locating slot and positioning pulley.
Wherein: fixed mechanism includes shell, reset spring and limited block.
Position and connection relationship between above-mentioned each structure is as follows:
The arranged on left and right sides of the shell has been respectively fixedly connected with inlet end and an outlet end, between the shell and outlet end
Regulation is connected with baffle, and the outside of the shell is flexibly connected there are four spring leaf, and the left and right tilting in curved surface of spring leaf is tied
Structure, and two curved surfaces tilt structure and are fixedly connected respectively with two center bridges, the middle part of spring leaf is planar structure, the table of shell
Face is opened up there are four preformed hole corresponding with spring leaf, and the planar structure in the middle part of spring leaf be bonded and leads to the bottom of preformed hole
Screw flexible connection is crossed, the left and right both ends of the spring leaf are connected with center bridge, two on same spring leaf
Center bridge is identical at a distance from spring leaf midpoint, and the size of center bridge is all the same and runs through and enter the inside of shell, left side
Four center bridges contacted with import positioning mechanism and identical as at a distance from its midpoint, four, right side center bridge is fixed with outlet
Position mechanism contacts and identical at a distance from its midpoint, are connected with light source, right side is described fixed on the inside of the center bridge of left side
Photo resistance is connected on the inside of heart block.
The inside of the shell be connected with respectively import positioning mechanism and outlet positioning mechanism, import positioning mechanism and
The cross sectional shape of outlet positioning mechanism is the identical isosceles trapezoid of size, the import positioning mechanism and outlet positioning mechanism it
Between be connected with material, the internal activity of the outlet end is connected with fixed mechanism, and shell, input end, outlet end, import are fixed
Position mechanism, outlet positioning mechanism and fixed mechanism central axes on the same line, import positioning mechanism and outlet positioning mechanism
Structure snd size it is all the same, the outside of the fixed mechanism is flexibly connected there are two positioning key, and the outside of the positioning key is living
It is dynamic to be connected with keyway.
The import positioning mechanism includes outer ring, and there are four positioning seat, positioning seat has for the internal rules connection of the outer ring
Left and right two identical structure compositions, four positioning seats are that reference is symmetric with the midpoint of outer ring, i.e., four positioning seats arrive
The distance at outer ring midpoint is identical, and locating slot is offered on the inside of the positioning seat, and the internal activity of the positioning seat is connected with fixed
Position pulley, the structure of four positioning pulleys is identical, is the curved-surface structure of depression in centre, four positioning pulleys are using outer ring as reference
It is symmetric, and the distance at four pulleys to outer ring midpoints is identical.
The fixed mechanism includes shell, and there are four reset spring, the reset bullets for the internal activity connection of the shell
Spring is connected with limited block far from one end of shell, and four limited blocks are that reference is symmetric with shell, i.e., four limits
The distance of position block to housing center is identical, and the shape and structure of four limited blocks is just as being curved-surface structure, four limited block songs
The center of circle of face structure and the center of circle of shell are same point.
Preferably, four locating slots are that reference is symmetric with outer ring, the locating slot is with the axis of outer ring
Line be referring to inclined, and the tilt angle of four locating slots just as.
Preferably, the keyway is located at the inner wall of outlet end, two keyways are that reference is in the middle line of outlet end
It is symmetrical.
Preferably, the two sides of the positioning pulley are fixedly connected with locating shaft, four positioning pulleys pass through positioning
Axis is slidably connected with four locating slots respectively.
Preferably, the curved surface degree on the inside of the limited block is identical as the curved surface degree of material, and four limited blocks
It is identical as at a distance from material central axes.
Preferably, the light source height and photo resistance height on the same line, and four light sources
It is corresponding with four photo resistance respectively.
Preferably, the distance of the center bridge to shell central axes is identical, and the center bridge is located at enclosure interior
One end be curved-surface structure.
Compared with the prior art and product, the beneficial effects of the present invention are:
1, it is somebody's turn to do the optical centering deviation detection device based on change in resistance principle, it, can be whole for the device by shell
There is provided and support and maintain position and connective stability between each structure, prevent in use structure shift and influence reality
Accuracy when border uses, by the way that spring leaf is designed to left and right tilting structure in curved surface, and two curved surfaces tilt structure difference
It is fixedly connected with two center bridges, the middle part of spring leaf is planar structure, and the surface of shell opens up that there are four opposite with spring leaf
The preformed hole answered, the planar structure in the middle part of spring leaf is bonded with the bottom of preformed hole and is flexibly connected by screw, while making position
Identical at a distance from spring leaf midpoint in two center bridges on same spring leaf, the size of center bridge is all the same and through simultaneously
Into the inside of shell, four center bridges in left side with import positioning mechanism contact and with identical, right side at a distance from its midpoint
Four center bridges with outlet positioning mechanism contact and it is identical as at a distance from its midpoint, can determine import using eight center bridges
The position of positioning mechanism and outlet positioning mechanism, and guarantee the central axes of its central axes and shell under the original state not stressed
On the same line, play the role of centering, improve the accuracy of detection data when the device uses.
2, it is somebody's turn to do the optical centering deviation detection device based on change in resistance principle, it is fixed by import positioning mechanism and outlet
Position mechanism, it is ensured that position when carrying out centering deviation detection to material is stablized, and makes its central axes in the initial state
On the same line with the central axes of shell, while limit can be played the role of, facilitates the use of the device, import positioning mechanism
It is all the same with the structure snd size of outlet positioning mechanism, by keeping the cross sectional shape of import positioning mechanism and outlet positioning mechanism equal
For the identical isosceles trapezoid of size, positioning seat has left and right two identical structure compositions, and four positioning seats are with the midpoint of outer ring
Referring to being symmetric, i.e., the distance at four positioning seats to outer ring midpoints is identical, and keeps the structure of four positioning pulleys identical,
It is the curved-surface structure of depression in centre, four positioning pulleys are referring to being symmetric with outer ring, and four pulleys are to outer ring
The distance at midpoint is identical, can contact after material is inserted into shell with positioning pulley, and move positioning pulley using frictional force,
The distance between positioning pulley reduces at this time, can clamp material, guarantees that the position of material in use is stablized, prevents simultaneously
Only it shifts, and improves the overall stability of the device.
3, it is somebody's turn to do the optical centering deviation detection device based on change in resistance principle, by positioning key and keyway, and is made
Two positioning keys are flexibly connected with shell, and two keyways are located at the inner wall of outlet end, and two keyways are ginseng with the middle line of outlet end
According to being symmetric, and two positioning keys are slidably connected with two keyways respectively, it is ensured that shell and limit in the initial state
The central axes of position block and the central axes of shell on the same line, ensure that when detecting to material both in the initial state
Axis on the same line, increase stabilization when the device uses and accurate.
4, it is somebody's turn to do the optical centering deviation detection device based on change in resistance principle, by driving positioning pulley using material
In locating slot internal slide, material can be clamped, meanwhile, using the inclined design of locating slot, it is applicable to various sizes of
Material increases the practicability and the scope of application of the device, similarly, can reach using reset spring and limited block and above structure
Identical purpose and effect, in addition, make light source height and photo resistance height on the same line, and four light sources point
It is not corresponding with four photo resistance, at the same make material pass through import positioning mechanism and outlet positioning mechanism, and make outer ring with
Center bridge contact, can push center bridge to move when material shifts, light source and photo resistance at this time not point-blank,
It can detect whether material tilts using the change in resistance of photo resistance, improve the accuracy and stabilization of the device testing result
Property.
Detailed description of the invention
Fig. 1 is external structure schematic diagram of the present invention；
Fig. 2 is structure of the invention diagrammatic cross-section, and each structure is respectively positioned on initial position at this time；
Fig. 3 is import positioning mechanism connection structure sectional view of the present invention, and material pushes positioning pulley movement at this time, and four fixed
Position pulley clamps material；
Fig. 4 is locating slot of the present invention and positioning pulley connection structure sectional view, and positioning pulley is in initial position at this time, i.e.,
Material not yet pushes positioning pulley to move, and the distance between four positioning pulleys are larger at this time；
Fig. 5 is that positioning pulley movement locus schematic diagram of the present invention is that material pushes positioning pulley movement, four positioning every time
The distance between pulley reduces；
Fig. 6 is shell of the present invention and limited block attachment structure schematic diagram, at this time material run through and pass through four limited blocks it
Between, four limited blocks clamp material under the action of reset spring；
Fig. 7 is center bridge of the present invention and light source and photo resistance attachment structure schematic diagram, at this time center bridge and light source and light
Quick resistance is in initial position, i.e., on the same line, material does not shift for light source and photo resistance at this time；
Fig. 8 is center bridge of the present invention and lamp motion track schematic diagram, and light source and photo resistance are staggered like state at this time, i.e.,
Not on the same line, material shifts the two.
In figure: 1- shell, 2- input end, the outlet end 3-, 4- baffle, 5- spring leaf, 6- center bridge, 7- light source, 8- are photosensitive
Resistance, 9- import positioning mechanism, 10- export positioning mechanism, 11- material, 12- fixed mechanism, 13- positioning key, 14- keyway, 91-
Outer ring, 92- positioning seat, 93- locating slot, 94- positioning pulley, 121- shell, 122- reset spring, 123- limited block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-8:
The optical centering deviation detection device based on change in resistance principle, including shell 1, input end 2, outlet end 3,
Baffle 4, center bridge 6, light source 7, photo resistance 8, import positioning mechanism 9, outlet positioning mechanism 10, material 11, is consolidated spring leaf 5
Determine mechanism 12, positioning key 13 and keyway 14.
Wherein: import positioning mechanism 9 includes outer ring 91, positioning seat 92, locating slot 93 and positioning pulley 94.
Wherein: fixed mechanism 12 includes shell 121, reset spring 122 and limited block 123.
Wherein:
A, identical, the size of center bridge 6 at a distance from 5 midpoint of spring leaf of two center bridges 6 on same spring leaf 5
It is all the same and run through and enter shell 1 inside, four center bridges 6 in left side contacted with import positioning mechanism 9 and and its
The distance at midpoint is identical, and the center bridge 6 positioning mechanism 10 with outlet in four, right side contacts and, positioning identical as at a distance from its midpoint
The two sides of pulley 94 are fixedly connected with locating shaft, and four positioning pulleys 94 are connected with four slidings of locating slot 93 respectively by locating shaft
It connects.
B, the left and right tilting structure in curved surface of spring leaf 5, and two curved surfaces tilt structure and consolidate respectively with two center bridges 6
Fixed connection, the middle part of spring leaf 5 are planar structure, and the surface of shell 1 is opened up there are four preformed hole corresponding with spring leaf 5,
The planar structure at 5 middle part of spring leaf is bonded with the bottom of preformed hole and is flexibly connected by screw, and keyway 14 is located at outlet end 3
Inner wall, two keyways 14 are that reference is symmetric with the middle line of outlet end 3.
C, four locating slots 93 are that reference is symmetric with outer ring 91, and locating slot 93 is using the central axes of outer ring 91 as reference
It is inclined, and the tilt angle of four locating slots 93 is just as shell 1, input end 2, outlet end 3, import localization machine
Structure 9, outlet positioning mechanism 10 and fixed mechanism 12 central axes on the same line, import positioning mechanism 9 and outlet localization machine
The structure snd size of structure 10 are all the same.
Wherein:
D, the structure of four positioning pulleys 94 is identical, is the curved-surface structure of depression in centre, other than four positioning pulleys 94
Ring 91 is that reference is symmetric, and the distance at four pulleys 94 to 91 midpoint of outer ring is identical, and center bridge 6 arrives 1 axis of shell
The distance of line is identical, and it is curved-surface structure that center bridge 6, which is located at one end inside shell 1,.
E, four limited blocks 123 are that reference is symmetric with shell 121, i.e., four limited blocks 123 arrive 121 center of shell
Distance it is identical, the shape and structure of four limited blocks 123 just as, be curved-surface structure, four 123 curved-surface structures of limited block
The center of circle of the center of circle and shell 121 is same point, the height of the height of light source 7 and photo resistance 8 on the same line, and four
Light source 7 is corresponding with four photo resistance 8 respectively.
F, the curved surface degree of 123 inside of limited block is identical as the curved surface degree of material 11, and four limited blocks 123 and material
The distance of 11 central axes is identical, and import positioning mechanism 9 is the identical isosceles of size with the cross sectional shape of outlet positioning mechanism 10
Trapezoidal, positioning seat 92 has left and right two identical structure compositions, and four positioning seats 92 are referring in symmetrical with the midpoint of outer ring 91
The distance of distribution, i.e. four positioning seats 92 to 91 midpoint of outer ring is identical.
When in use, the initial position between each structure and connection relationship are as follows:
Four spring leafs 5 are flexibly connected with shell 1 by screw respectively, and the both ends of spring leaf 5 pass through screw activity and connect
It is connected to center bridge 6, center bridge 6 runs through and enters the inside of shell 1, and the inside of left side center bridge 6 is connected with light source 7, right
The inside of side center bridge 6 is connected with photo resistance 8, the height of the height of light source 7 and photo resistance 8 on the same line,
And four light sources 7 are corresponding with four photo resistance 8 respectively, and material 11 passes through import positioning mechanism 9, export positioning mechanism 10
With fixed mechanism 12, fixed mechanism 12 is flexibly connected by positioning key 13 and keyway 14 with outlet end 3, and material 11 is each passed through
Between four positioning pulleys 94 and four limited blocks 123.
Above structure and process please refer to Fig. 2-5 and Fig. 6-7.
Material 11 is passed through into import positioning mechanism 9, positioning mechanism 10 is exported and fixed mechanism 12, i.e. material 11 is each passed through
Between four positioning pulleys 94 and four limited blocks 123, in the process, material 11 contacts with positioning pulley 94 and drives it
It synchronizes and moves right, the distance between four positioning pulleys 94 reduce at this time, when the distance between four positioning pulleys 94 are equal to
When the outer diameter of material 11, positioning pulley 94 can not continue to move and clamp material 11 at this time.
Above structure and process please refer to Fig. 3-5.
Similarly, after material 11 enters shell 121 and across four limited blocks 123, the receipts of reset spring 122 can be oppressed
Contracting, when 11 stop motion of material, limited block 123 can be clamped.
Above structure and process please refer to Fig. 6.
When material 11 does not shift, center bridge 6 does not stress and is in home position at this time, i.e. light source 7 and photosensitive electricity
8 on the same line, light is radiated in photo resistance 8 at this time for resistance, there is that light resistance rate is big, unglazed resistivity is small using photosensitive element
Principle it is found that the resistance value of photo resistance at this time 8 becomes smaller, measure known to external circuits connected to it that voltage is smaller at this time, i.e.,
When material 11 does not shift, the voltage of 8 external circuits of photo resistance is relatively stable, and material 11 is with shell 1 in concentric at this time
State.
Above structure and process please refer to Fig. 7.
When material 11 shifts, 6 stress of center bridge generates displacement at this time, i.e., light source 7 is with photo resistance 8 not same
On straight line, at this time light irradiation cannot in photo resistance 8, by above-mentioned principle it is found that the resistance value of photo resistance at this time 8 increases,
The voltage of external circuits increases, i.e., indicates that material 11 shifts when the voltage of external circuits increases, at this time material 11 and
Shell 1 is in non-concentric state.
Above structure and process please refer to Fig. 8.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. the optical centering deviation detection device based on change in resistance principle, including shell (1), it is characterised in that: the shell
The arranged on left and right sides of body (1) has been respectively fixedly connected with input end (2) and outlet end (3), between the shell (1) and outlet end (3)
Regulation is connected with baffle (4), and there are four the outside flexible connections of the shell (1) spring leaf (5), a left side for the spring leaf (5),
Right both ends are connected with center bridge (6), are connected on the inside of the left side center bridge (6) light source (7), described in right side
Photo resistance (8) are connected on the inside of center bridge (6)；
The inside of the shell (1) is connected with import positioning mechanism (9) and outlet positioning mechanism (10), the import respectively
It is connected with material (11) between positioning mechanism (9) and outlet positioning mechanism (10), the internal activity of the outlet end (3) connects
It is connected to fixed mechanism (12), there are two positioning key (13), the positioning keys for the outside flexible connection of the fixed mechanism (12)
(13) keyway (14) are connected on the outside of；
The import positioning mechanism (9) includes outer ring (91), and there are four positioning seats for the internal rules connection of the outer ring (91)
(92), it is offered locating slot (93) on the inside of the positioning seat (92), the internal activity of the positioning seat (92) is connected with positioning
Pulley (94)；
The fixed mechanism (12) includes shell (121), and there are four reset springs for the internal activity connection of the shell (121)
(122), the reset spring (122) is connected with limited block (123) far from the one end of shell (121).
2. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
The shell (1), input end (2), outlet end (3), import positioning mechanism (9), outlet positioning mechanism (10) and fixed mechanism
(12) on the same line, the import positioning mechanism (9) and the structure snd size for exporting positioning mechanism (10) are equal for central axes
It is identical.
3. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
Two center bridges (6) on same spring leaf (5) are identical at a distance from spring leaf (5) midpoint, the center bridge (6)
Size it is all the same and run through and enter shell (1) inside, the center bridge (6) of four of left side with import localization machine
Structure (9) contact and it is identical at a distance from its midpoint, four, the right side center bridge (6) with outlet positioning mechanism (10) contact and
It is identical as at a distance from its midpoint.
4. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
The left and right tilting structure in curved surface of the spring leaf (5), and two curved surfaces tilt structure and fix respectively with two center bridges (6)
Connection, the middle part of the spring leaf (5) are planar structure, and the surface of the shell (1) opens up that there are four opposite with spring leaf (5)
The preformed hole answered, the planar structure in the middle part of the spring leaf (5) are bonded with the bottom of preformed hole and are flexibly connected by screw.
5. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
The import positioning mechanism (9) and the cross sectional shape for exporting positioning mechanism (10) are the identical isosceles trapezoid of size, described fixed
Position seat (92) has left and right two identical structure compositions, and four positioning seats (92) are that reference is in the midpoint of outer ring (91)
Symmetrical, i.e. the distance of four positioning seats (92) to outer ring (91) midpoint is identical.
6. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
The structure of four positioning pulleys (94) is identical, is the curved-surface structure of depression in centre, four positioning pulleys (94) with
Outer ring (91) is that reference is symmetric, and the distance at four pulleys (94) to outer ring (91) midpoint is identical.
7. the optical centering deviation detection device according to claim 1 based on change in resistance principle, it is characterised in that:
Four limited blocks (123) are that reference is symmetric with shell (121), i.e., four limited blocks (123) arrive shell
(121) distance at center is identical, and the shape and structure of four limited blocks (123) is just as being curved-surface structure, described in four
The center of circle of limited block (123) curved-surface structure and the center of circle of shell (121) are same point.
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| CN201910449154.1A CN110030933B (en) | 2019-05-28 | 2019-05-28 | Optical centering deviation detection device based on resistivity change principle |
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|---|---|---|---|
| CN201910449154.1A CN110030933B (en) | 2019-05-28 | 2019-05-28 | Optical centering deviation detection device based on resistivity change principle |
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| CN110030933B CN110030933B (en) | 2020-04-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229139A (en) * | 2020-10-09 | 2021-01-15 | 天长市志昊机电配件有限公司 | Cooling device is used in manometer casing production |
| CN112648964A (en) * | 2020-08-19 | 2021-04-13 | 重庆乾岷光学科技有限公司 | Deviation detection device for optical centering instrument based on resistivity change principle |
| CN112876053A (en) * | 2021-01-11 | 2021-06-01 | 许昌学院 | Adaptive positioning processing device for optical lens processing |
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| CN112876053A (en) * | 2021-01-11 | 2021-06-01 | 许昌学院 | Adaptive positioning processing device for optical lens processing |
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