CN108489428A - Piston cylinder axiality detection device and method - Google Patents
Piston cylinder axiality detection device and method Download PDFInfo
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- CN108489428A CN108489428A CN201810319461.3A CN201810319461A CN108489428A CN 108489428 A CN108489428 A CN 108489428A CN 201810319461 A CN201810319461 A CN 201810319461A CN 108489428 A CN108489428 A CN 108489428A
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- piston
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- cylinder barrel
- detection device
- piston cylinder
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
Abstract
The present invention relates to a kind of piston cylinder axiality detection device and methods, and wherein piston cylinder axiality detection device includes lasing light emitter (9), for emitting the reference beam (8) to coincide with the axis of the cylinder barrel of piston cylinder (14);Two-dimensional position detector (11) is mounted on the piston (5) of piston cylinder, for receiving reference beam (8) and output reference light beam (8) is radiated at position on piston (5);With controller (3), the location information exported for receiving two-dimensional position detector (11), and according to the concentricity of positional information calculation piston (5) and cylinder barrel (14).The detection device embodiment of the present invention is detected the concentricity of piston and cylinder barrel in piston cylinder using lasing light emitter and two-dimensional position detector, and simple in structure, cost is relatively low;It is easy to adjust, it is suitably applied actual production scene;It is higher to the accuracy in detection of concentricity, there is preferable directive significance to the assembling quality of piston and cylinder barrel in piston cylinder.
Description
Technical field
The present invention relates to technical field of coaxiality measurement more particularly to a kind of piston cylinder axiality detection device and methods.
Background technology
Piston cylinder is one of the base parts and components that machinery industry is most widely used.Piston cylinder includes cylinder barrel, is set in cylinder barrel
The piston rod for having piston and being connect with piston.The concentricity (referring mainly to the concentricity between piston and cylinder barrel) of piston cylinder is living
The mostly important geometric accuracy index of plug cylinder.In the production and assembling process of piston cylinder, the concentricity of piston cylinder easily occurs
Deviation makes piston that eccentric wear occur at work, or even scratches endoporus.If the coaxiality error of piston cylinder is bigger than normal in assembly, also
Engineering goods can be made to generate larger noise and vibration at work, reduce the service life of piston cylinder engineering goods, give product
Service band carrys out larger loss.Therefore, the course of work, detection concentricity how are simulated in piston cylinder Product Assembly, to assembly
Being adjusted seems particularly significant.
Currently, there are some to be used to detect the device of concentricity in the prior art, but displacement sensor or angle are utilized mostly
Sensor is detected, and does not consider the influence of piston rod amount of deflection and piston rod rotation to testing result, there are theoretical errors;And
And it is complicated, adjustment time is long, inconvenient for operation, is not easy to actual production field application;Detection part structure is heavier, also can
Increase the amount of deflection of piston rod, and then increases detection error.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase the totality to the present invention
The understanding of background, and be not construed as recognizing or imply in any form the information constitute by those skilled in the art public affairs
The prior art known.
Invention content
The purpose of the present invention is to propose to a kind of piston cylinder axiality detection device and methods, to simplify structure as much as possible,
Improve the accuracy detected to concentricity.
To achieve the above object, the present invention provides a kind of piston cylinder axiality detection devices, including:
Lasing light emitter, for emitting the reference beam to coincide with the axis of the cylinder barrel of piston cylinder;
Two-dimensional position detector is mounted on the piston of piston cylinder, for receiving reference beam and output reference light beam photograph
Penetrate the position on piston;With
Controller, the location information exported for receiving two-dimensional position detector, and according to positional information calculation piston
With the concentricity of cylinder barrel.
Optionally, controller is additionally operable to the inclination of the cross section relative to cylinder barrel radially according to positional information calculation piston
Angle, and eliminate when calculating the concentricity of piston and cylinder barrel the influence at angle of inclination.
Optionally, piston cylinder axiality detection device further includes driving mechanism, driving mechanism for drive piston relative to
Cylinder barrel moves, and two-dimensional position detector can output reference light beam be radiated at work respectively when piston motion is to multiple and different positions
Position beyond the Great Wall, controller be used for multiple location informations that two-dimensional position detector is exported handled with obtain piston and
The concentricity of cylinder barrel.
Optionally, piston cylinder axiality detection device further includes rotation-preventing mechanism, and rotation-preventing mechanism is for preventing two-dimensional position from visiting
Device is surveyed to rotate relative to cylinder barrel.
Optionally, rotation-preventing mechanism includes transition axis, bearing, axle sleeve and counterweight, and one end of transition axis is connect with piston, transition
The other end of axis and the inner ring of bearing connect, and the outer ring of bearing is connect with axle sleeve, and counterweight is mounted on axle sleeve, two-dimensional position detection
Device is mounted on axle sleeve.
Optionally, transition axis is multi-diameter shaft, and the part of transition axis being relatively large in diameter is connect with piston, the diameter of transition axis compared with
It is connect in the inner ring of small partial insertion bearing and with inner ring.
Optionally, piston cylinder axiality detection device further includes position adjusting mechanism, and position adjusting mechanism is sharp for adjusting
The position of light source, so that the reference beam of lasing light emitter transmitting and the axis of cylinder barrel overlap.
Optionally, position adjusting mechanism includes height regulating mechanism and horizontal adjusting mechanism, and height regulating mechanism is for adjusting
The height of whole lasing light emitter, horizontal adjusting mechanism is for adjusting lasing light emitter in the horizontal position of sustained height.
Optionally, piston cylinder axiality detection device further includes support platform, and support platform is used to support and stator bore.
Optionally, lasing light emitter is arranged in the side of cylinder barrel, and one end of the close lasing light emitter of cylinder barrel is unlimited;Alternatively, swashing
Light source is arranged in the side of cylinder barrel, and the end cap of one end of the close lasing light emitter of cylinder barrel is equipped with through-hole, and through-hole is for making laser wear
It crosses.
To achieve the above object, the present invention also provides a kind of piston cylinder coaxiality detecting methods, including:
The reference beam that the axis of transmitting and the cylinder barrel of piston cylinder coincides;
Reference beam is received by the two-dimensional position detector on the piston of piston cylinder and output reference light beam shines
Penetrate the position on piston;
Receive the location information that is exported of two-dimensional position detector, and according to the coaxial of positional information calculation piston and cylinder barrel
Degree.
Optionally, detection method further includes:
Piston is driven to be moved relative to cylinder barrel;
By two-dimensional position detector, when piston is to multiple and different positions, output reference light beam is radiated on piston respectively
Position;
The multiple location informations exported to two-dimensional position detector are handled, to obtain the coaxial of piston and cylinder barrel
Degree.
Based on the above-mentioned technical proposal, the present invention can receive lasing light emitter by installing two-dimensional position detector on piston
The reference beam of transmitting simultaneously exports the position that the reference beam is radiated on piston, and controller is exported according to two-dimensional position detector
Location information the concentricity of piston and cylinder barrel can be calculated.The detection device embodiment of the present invention utilizes lasing light emitter and two
Position sensor is tieed up to be detected to the concentricity of piston and cylinder barrel in piston cylinder, simple in structure, cost is relatively low;Adjustment side
Just, it is suitably applied actual production scene;It is higher to the accuracy in detection of concentricity, the assembly to piston and cylinder barrel in piston cylinder
Quality has preferable directive significance.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of inventive piston cylinder axiality detection device one embodiment.
In figure:
1, support platform;2, driving mechanism;3, controller;4, piston rod;5, piston;6, bearing;7, axle sleeve;8, reference light
Beam;9, lasing light emitter;10, position adjusting mechanism;11, two-dimensional position detector;12, counterweight;13, transition axis;14, cylinder barrel.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the scope of the present invention.
Position sensor (Position Sensitive Device, abbreviation PSD), optoelectronic position can be detected by being one kind
Device.Two-dimensional position detector can detect the two-dimensional coordinate position of beam irradiation position.
As shown in Figure 1, in an illustrative examples of piston cylinder axiality detection device provided by the present invention, it should
Detection device includes lasing light emitter 9, two-dimensional position detector 11 and controller 3.Wherein, lasing light emitter 9 is used to emit and piston cylinder
The reference beam 8 that the axis of cylinder barrel 14 coincides;Two-dimensional position detector 11 is mounted on the piston 5 of piston cylinder, for receiving
Simultaneously output reference light beam 8 is radiated at the position on piston 5 to reference beam 8;Controller 3 is for receiving 11 institute of two-dimensional position detector
The location information of output, and according to the concentricity of positional information calculation piston 5 and cylinder barrel 14.
In above-mentioned illustrative examples, by installing two-dimensional position detector 11 on piston 5, lasing light emitter can be received
The reference beam 8 of 9 transmittings simultaneously exports the position that the reference beam 8 is radiated on piston 5, and controller 3 is detected according to two-dimensional position
The concentricity of piston 5 and cylinder barrel 14 can be calculated in the location information that device 11 exports.Detection device in the embodiment utilizes
Lasing light emitter and two-dimensional position detector are detected the concentricity of piston and cylinder barrel in piston cylinder, simple in structure, cost
It is relatively low;It is easy to adjust, it is suitably applied actual production scene;It is higher to the accuracy in detection of concentricity, to piston in piston cylinder
There is preferable directive significance with the assembling quality of cylinder barrel.
In view of the piston rod 4 being connect with piston 5 may deform, the amount of deflection of piston rod 4 may be to concentricity
Detection adversely affects, and the controller 3 in piston cylinder axiality detection device can be also used for being lived according to positional information calculation
The angle of inclination of cross section of the plug 5 relative to cylinder barrel 14 radially, and eliminate and incline when calculating the concentricity of piston 5 and cylinder barrel 14
The influence of rake angle.
Wherein, according to the edge data of hot spot received on two-dimensional position detector 11, the shape of hot spot can be obtained
Shape, and then calculate the inclination angle of cross section of the plane relative to cylinder barrel 14 radially where obtaining two-dimensional position detector 11
Degree.
Controller 3 may include conversion module, conversion module can will deform after piston rod 4 on the piston that connects
The location information that two-dimensional position detector 11 on 5 is exported is scaled location information when amount of deflection is zero, so that controller 3
According to the concentricity of positional information calculation piston 5 and cylinder barrel 14 after conversion, shadow of the amount of deflection to testing result of piston rod 4 is eliminated
It rings.
Further, piston cylinder axiality detection device further includes driving mechanism 2, and driving mechanism 2 is for driving 5 phase of piston
Cylinder barrel 14 is moved, two-dimensional position detector 11 can distinguish output reference light when piston 5 moves to multiple and different positions
Beam 8 is radiated at the position on piston 5, and multiple location informations that controller 3 is used to export two-dimensional position detector 11 carry out
Processing is to obtain the concentricity of piston 5 and cylinder barrel 14.By being detected in multiple and different positions, can further increase to same
The accuracy of axis degree detection.
For multiple location informations that two-dimensional position detector 11 is exported, center and the cylinder barrel 14 of piston 5 can be chosen
Axis between distance maximum value two times of concentricity sizes as piston 5 and cylinder barrel 14.
Optionally, piston cylinder axiality detection device further includes rotation-preventing mechanism, and rotation-preventing mechanism is for preventing two-dimensional position from visiting
Device 11 is surveyed to rotate relative to cylinder barrel 14.It, can be to avoid piston 5 during the motion relative to cylinder barrel 14 by the way that rotation-preventing mechanism is arranged
To the influence of concentricity testing result when rotating.
Specifically, rotation-preventing mechanism may include transition axis 13, bearing 6, axle sleeve 7 and counterweight 12, one end of transition axis 13
It is connect with piston 5, the other end of transition axis 13 is connect with the inner ring of bearing 6, and the outer ring of bearing 6 is connect with axle sleeve 7, and counterweight 12 is pacified
On axle sleeve 7, two-dimensional position detector 11 is mounted on axle sleeve 7.
Wherein, transition axis 13, bearing 6 and axle sleeve 7 are coaxial with piston 5, therefore the center of piston 5 is converted to transition
The center of axis 13, the center and axle sleeve 7 of bearing 6 center, by the coordinate geometry of two-dimensional position detector 11 it is centrally disposed for
The center of axle sleeve 7 overlaps, you can reflects the center of piston 5 by the coordinate geometry center of two-dimensional position detector 11.
By the way that bearing 6 is arranged, in the gravity of counterweight 12, even if piston 5 is sent out relative to cylinder barrel 14 during the motion
Raw rotation, it is also ensured that two-dimensional position detector 11 is not rotated with piston 5, to avoid the rotation of piston 5 from detecting concentricity
As a result influence ensures the accuracy of testing result.
Further, transition axis 13 is multi-diameter shaft, and the part of transition axis 13 being relatively large in diameter is connect with piston 5, transition axis
It is connect in the inner ring of the 13 smaller partial insertion bearing 6 of diameter and with inner ring.Transition axis 13 is set as multi-diameter shaft, can make
It crosses axis 13 and the connection of piston 5 is more convenient and reliable.
Optionally, piston cylinder axiality detection device further includes position adjusting mechanism 10, and position adjusting mechanism 10 is for adjusting
The position of whole lasing light emitter 9, so that reference beam 8 and the axis of cylinder barrel 14 that lasing light emitter 9 emits overlap.Pass through installation position
Adjustment mechanism 10 can facilitate the adjustment to lasing light emitter 9, ensure that reference beam 8 and the axis of cylinder barrel 14 overlap.
Position adjusting mechanism 10 can be connect with controller 3, to be controlled to position adjusting mechanism 10 by controller 3
System is realized and is adjusted to the position of lasing light emitter 9.
Specifically, position adjusting mechanism 10 includes height regulating mechanism and horizontal adjusting mechanism, and height regulating mechanism is used
In the height of adjustment lasing light emitter 9, horizontal adjusting mechanism is for adjusting lasing light emitter 9 in the horizontal position of sustained height.
Optionally, piston cylinder axiality detection device further includes support platform 1, and support platform 1 is used to support and stationary cylinder
Cylinder 14.By the way that support platform 1 is arranged, cylinder barrel 14 can be made to fix, the convenient measurement to concentricity.
Optionally, lasing light emitter 9 is arranged in the side of cylinder barrel 14, and one end of the close lasing light emitter 9 of cylinder barrel 14 is unlimited;Or
Person, lasing light emitter 9 are arranged in the side of cylinder barrel 14, and the end cap of one end of the close lasing light emitter 9 of cylinder barrel 14 is equipped with through-hole, and through-hole is used
It is passed through in making laser.
Piston cylinder axiality detection device embodiment provided by the present invention is suitable for all kinds of machineries for including piston cylinder
Product, such as piston-type hydraulic cylinder, concrete pumping system etc. are examined with the concentricity to piston and cylinder barrel in piston cylinder
It surveys, and the assembly of piston cylinder is instructed.
The present invention also proposes a kind of piston cylinder coaxiality detecting method, including:
The reference beam 8 that the axis of transmitting and the cylinder barrel 14 of piston cylinder coincides;
Reference beam 8 and output reference light are received by the two-dimensional position detector 11 on the piston 5 of piston cylinder
Beam 8 is radiated at the position on piston 5;
The location information that two-dimensional position detector 11 is exported is received, and according to positional information calculation piston 5 and cylinder barrel 14
Concentricity.
Optionally, detection method further includes:
Piston 5 is driven to be moved relative to cylinder barrel 14;
By two-dimensional position detector 11, when piston 5 is to multiple and different positions, output reference light beam 8 is radiated at work respectively
Position on plug 5;
The multiple location informations exported to two-dimensional position detector 11 are handled, to obtain piston 5 and cylinder barrel 14
Concentricity.
Positive technique effect possessed by piston cylinder axiality detection device is equally applicable to live in above-mentioned each embodiment
Plug cylinder coaxiality detecting method, which is not described herein again.
The course of work of one embodiment of 1 pair of inventive piston cylinder axiality detection device and method below in conjunction with the accompanying drawings
It illustrates:
As shown in Figure 1, in this embodiment, piston cylinder axiality detection device includes support platform 1, driving mechanism 2, control
Device 3 processed, piston rod 4, piston 5, bearing 6, axle sleeve 7, reference beam 8, lasing light emitter 9, position adjusting mechanism 10, two-dimensional position detection
Device 11, counterweight 12, transition axis 13 and cylinder barrel 14.
Support platform 1 is used to support entire detection device, has the function of leveling and vibration isolation.Driving mechanism 2 is for driving
Piston rod 4 is axially moved along the endoporus of cylinder barrel 14.Controller 3 can control driving mechanism 2, and then control the fortune of piston rod 4
Dynamic state;Position adjusting mechanism 10 can also be controlled, to adjust the spatial position of lasing light emitter 9 so that the base that lasing light emitter 9 is emitted
Collimated light beam 8 is overlapped with the interior axially bored line of cylinder barrel 14;The data of two-dimensional position detector 11 can also be acquired, data calculating is carried out,
And store testing result.Piston rod 4 is connect with piston 5, and the other side of piston 5 is connect with transition axis 13, the diameter of transition axis 13
In the inner ring of smaller partial insertion bearing 6, and it is connect with inner ring.The outer ring of bearing 6 is connect with axle sleeve 7, and counterweight 12 is mounted on
The lower part of axle sleeve 7.Two-dimensional position detector 11 is mounted on the right side of axle sleeve 7, is axially transported along the endoporus of cylinder barrel 14 in piston 5
During dynamic, the relative position by piston 5 in multiple sections with respect to 14 endoporus of cylinder barrel, by the form of wireless signal transmission, instead
It feeds controller 3.Reference beam 8 is overlapped with the interior axially bored line of cylinder barrel 14, characterizes the interior axially bored line of cylinder barrel 14, is detection benchmark,
And form hot spot on two-dimensional position detector 11.Position adjusting mechanism 10 is set in support platform 1, for adjusting lasing light emitter
9 spatial position.
Before detection, cylinder barrel 14, piston rod 4 and piston 5 are placed in support platform 1;Controller 3 is according to the ginseng of cylinder barrel 14
Number controls position adjusting mechanism 10, adjusts the spatial position of lasing light emitter 9 so that the interior axially bored line phase of reference beam 8 and cylinder barrel 14
It overlaps.
In detection process, controller 3 controls several positions of axial direction that driving mechanism 2 drives piston 5 to move to cylinder barrel 14,
By wireless signal transmission means, the location information of 11 feedback of two-dimensional position detector is received, is realized to piston 5 in cylinder barrel 14
Location information acquisition when endoporus is axially moved.The location information acquired includes that reference beam 8 is formed by spot in two dimension
The deflection in vertical plane and horizontal plane on position sensor 11, controller 3 can be calculated according to the deflection in different positions
The distance between the interior axially bored line at the center of piston 5 and cylinder barrel 14, selects the maximum value of the distance when setting, will be apart from maximum value
Two times of concentricities as piston 5 and cylinder barrel 14.Meanwhile it can also be calculated according to the light spot shape on two-dimensional position detector 11
The angle of inclination for obtaining cross section of the piston 5 relative to cylinder barrel 14 radially can eliminate the angle of inclination to same by conversion
The influence of axis degree detection.
Pass through the explanation to inventive piston cylinder axiality detection device and multiple embodiments of method, it can be seen that this hair
Open piston cylinder axiality detection device and embodiment of the method at least have the advantages that one or more of:
1, simple in structure, be easily achieved, at low cost, applied widely, easy to operate, detection operation is sensitive, and detection is accurate
Degree is higher;
2, it is detected by the angle of inclination to piston, influence of the amount of deflection to testing result of piston rod can be eliminated;
3, it is equipped with rotation-preventing mechanism, testing result can be impacted relative to cylinder barrel rotation to avoid piston.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that:Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics;Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (12)
1. a kind of piston cylinder axiality detection device, which is characterized in that including:
Lasing light emitter (9), for emitting the reference beam (8) to coincide with the axis of the cylinder barrel of piston cylinder (14);
Two-dimensional position detector (11) is mounted on the piston (5) of the piston cylinder, for receiving the reference beam (8) simultaneously
Export the position that the reference beam (8) is radiated on the piston (5);With
Controller (3), the location information exported for receiving the two-dimensional position detector (11), and believed according to the position
Breath calculates the concentricity of the piston (5) and the cylinder barrel (14).
2. piston cylinder axiality detection device according to claim 1, which is characterized in that the controller (3) is additionally operable to
The angle of inclination of the cross section of the piston (5) radially relative to the cylinder barrel (14) is calculated according to the positional information, and
The influence at the angle of inclination is eliminated when calculating the concentricity of the piston (5) and the cylinder barrel (14).
3. piston cylinder axiality detection device according to claim 1, which is characterized in that the piston cylinder concentricity detection
Device further includes driving mechanism (2), and the driving mechanism (2) is for driving the piston (5) to be transported relative to the cylinder barrel (14)
Dynamic, the two-dimensional position detector (11) can export the base respectively when the piston (5) move to multiple and different positions
Collimated light beam (8) is radiated at the position on the piston (5), and the controller (3) is used for the two-dimensional position detector (11)
The multiple location informations exported are handled to obtain the concentricity of the piston (5) and the cylinder barrel (14).
4. piston cylinder axiality detection device according to claim 1, which is characterized in that the piston cylinder concentricity detection
Device further includes rotation-preventing mechanism, and the rotation-preventing mechanism is for preventing the two-dimensional position detector (11) relative to the cylinder barrel
(14) it rotates.
5. piston cylinder axiality detection device according to claim 4, which is characterized in that the rotation-preventing mechanism includes transition
One end of axis (13), bearing (6), axle sleeve (7) and counterweight (12), the transition axis (13) is connect with the piston (5), the mistake
The other end for crossing axis (13) is connect with the inner ring of the bearing (6), and the outer ring of the bearing (6) is connect with the axle sleeve (7), institute
Counterweight (12) is stated on the axle sleeve (7), the two-dimensional position detector (11) is mounted on the axle sleeve (7).
6. piston cylinder axiality detection device according to claim 5, which is characterized in that the transition axis (13) is ladder
The part of axis, the transition axis (13) being relatively large in diameter is connect with the piston (5), and the diameter of the transition axis (13) is smaller
It is connect in the inner ring of bearing described in partial insertion (6) and with the inner ring.
7. piston cylinder axiality detection device according to claim 1, which is characterized in that the piston cylinder concentricity detection
Device further includes position adjusting mechanism (10), and the position adjusting mechanism (10) is used to adjust the position of the lasing light emitter (9), with
The reference beam (8) and the axis of the cylinder barrel (14) for making the lasing light emitter (9) transmitting overlap.
8. piston cylinder axiality detection device according to claim 7, which is characterized in that the position adjusting mechanism (10)
Including height regulating mechanism and horizontal adjusting mechanism, the height regulating mechanism is used to adjust the height of the lasing light emitter (9), institute
Horizontal adjusting mechanism is stated for adjusting the lasing light emitter (9) in the horizontal position of sustained height.
9. piston cylinder axiality detection device according to claim 1, which is characterized in that the piston cylinder concentricity detection
Device further includes support platform (1), and the support platform (1) is used to support and fixes the cylinder barrel (14).
10. piston cylinder axiality detection device according to claim 1, which is characterized in that lasing light emitter (9) setting exists
The side of the cylinder barrel (14), the cylinder barrel (14) are unlimited close to one end of the lasing light emitter (9);Alternatively, described swash
Light source (9) setting is on the side of the cylinder barrel (14), the end cap of one end of the close lasing light emitter (9) of the cylinder barrel (14)
Equipped with through-hole, the through-hole is for making the laser pass through.
11. a kind of piston cylinder coaxiality detecting method, which is characterized in that including:
The reference beam (8) that the axis of transmitting and the cylinder barrel (14) of piston cylinder coincides;
The reference beam (8) is received by the two-dimensional position detector (11) on the piston of the piston cylinder (5) simultaneously
Export the position that the reference beam (8) is radiated on the piston (5);
The location information that the two-dimensional position detector (11) is exported is received, and calculates the piston according to the positional information
(5) and the concentricity of the cylinder barrel (14).
12. piston cylinder coaxiality detecting method according to claim 11, which is characterized in that further include:
The piston (5) is driven to be moved relative to the cylinder barrel (14);
The reference light is exported respectively when the piston (5) is to multiple and different positions by the two-dimensional position detector (11)
Beam (8) is radiated at the position on the piston (5);
The multiple location informations exported to the two-dimensional position detector (11) are handled, with obtain the piston (5) and
The concentricity of the cylinder barrel (14).
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CN108917563A (en) * | 2018-08-24 | 2018-11-30 | 徐工集团工程机械有限公司 | A kind of portable piston pair axiality detection device |
CN110567399A (en) * | 2019-07-31 | 2019-12-13 | 武汉船用机械有限责任公司 | Auxiliary detection equipment and detection method for hole |
CN111795656A (en) * | 2020-06-24 | 2020-10-20 | 中联重科股份有限公司 | Coaxiality detection device and coaxiality detection method |
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CN108917563A (en) * | 2018-08-24 | 2018-11-30 | 徐工集团工程机械有限公司 | A kind of portable piston pair axiality detection device |
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CN111795656B (en) * | 2020-06-24 | 2021-10-22 | 中联重科股份有限公司 | Coaxiality detection device and coaxiality detection method |
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