CN106197225A - Inclined hole detection device and method - Google Patents

Inclined hole detection device and method Download PDF

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Publication number
CN106197225A
CN106197225A CN201610573506.0A CN201610573506A CN106197225A CN 106197225 A CN106197225 A CN 106197225A CN 201610573506 A CN201610573506 A CN 201610573506A CN 106197225 A CN106197225 A CN 106197225A
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CN
China
Prior art keywords
inclined hole
measured
positioning ball
detection device
face
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Granted
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CN201610573506.0A
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Chinese (zh)
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CN106197225B (en
Inventor
陈建明
陈尧杰
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Chongqing Cummins Engine Co Ltd
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Chongqing Cummins Engine Co Ltd
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Priority to CN201610573506.0A priority Critical patent/CN106197225B/en
Publication of CN106197225A publication Critical patent/CN106197225A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention discloses a kind of inclined hole detection device, including: for the fixing location cylinder being inserted in inclined hole to be measured;For measuring the positioning ball of the gradient of inclined hole to be measured, positioning ball is fixed on one end of location cylinder, and the centre of sphere of positioning ball is on the centrage of location cylinder.In the inclined hole detection device that the present invention provides, the centre of sphere of location cylinder crosses the centrage of positioning ball, so positioning ball can reflect the position of location cylinder, it is possible to indirectly reflect the position of inclined hole to be measured.The angles and positions of inclined hole can be positioned and measure by location cylinder and positioning ball by inclined hole provided by the present invention detection device, and detection degree of accuracy is high, it is ensured that the accuracy of inclined hole gradient, it is ensured that workmanship.The invention also discloses a kind of inclined hole detection method, the method can detect the accuracy that inclined hole manufactures.

Description

Inclined hole detection device and method
Technical field
The present invention relates to Machining Technology field, more particularly, it relates to a kind of inclined hole detection device and method.
Background technology
In field of machining, the angle of inclined hole and the degree of depth belong to relatively attach most importance to during manufacture process and detection The content wanted, is required for detecting inclined hole in the most a lot of machinings, but selected detection method is all indirect Or supposition mode, even without detection means, it is impossible to accurate and effective and quickly finish the position dimension to inclined hole, three dimensions The detection of size.
In sum, how the manufacture to inclined hole detects, and is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of inclined hole detection device and method, can easily inclined hole be entered Row detection, it is ensured that the manufacture of inclined hole is accurate.
To achieve these goals, the present invention provides following technical scheme:
A kind of inclined hole detection device, including:
For the fixing location cylinder being inserted in inclined hole to be measured;
For measuring the positioning ball of the gradient of described inclined hole to be measured, described positioning ball is fixed on described location cylinder One end, the centre of sphere of described positioning ball is on the centrage of described location cylinder.
Preferably, one end of described location cylinder is provided with the first centre bore, and described first centre bore is for having inner conical surface Taper hole, described positioning ball laminating be fixed on described inner conical surface.
Preferably, the range of taper of described inner conical surface is 100 degree to 140 degree.
Preferably, described location cylinder includes the small diameter shaft for being connected with described positioning ball and for being placed on Stating the major diameter axle in inclined hole to be measured, the end of described small diameter shaft is connected with the end of described major diameter axle, and in the two Heart line conllinear.
Preferably, described positioning ball arranges the projecting lamp of oriented described inclined hole end face to be measured projection luminous point, described throwing It is provided with on shadow lamp for measuring the described projecting lamp position sensor to the distance of described inclined hole end face to be measured.
Preferably, described positioning ball and described location cylinder are dismountable bonding.
A kind of inclined hole detection method, including:
By described in above-mentioned any one inclined hole detect device location cylinder be arranged in inclined hole to be measured, and make described fixed Position spheroid is positioned at outside described inclined hole to be measured;
One fixed point of measurement and positioning spheroid, to the fore-and-aft distance of the end face of described inclined hole to be measured, measures described fixed point projection Subpoint and the lateral separation at described inclined hole end face center to be measured to described end face;
The actual grade of described inclined hole to be measured is calculated according to described fore-and-aft distance and described lateral separation.
Preferably, a fixed point of described measurement and positioning spheroid is to the step of the fore-and-aft distance of the end face of described inclined hole to be measured Including:
Measure the described positioning ball top distance to described end face.
In the inclined hole detection device that the present invention provides, the centre of sphere of positioning ball is at the location centrage of cylinder or centrage On extended line, so positioning ball can reflect the position of location cylinder, it is possible to indirectly reflect the position of inclined hole to be measured.Use During above-mentioned inclined hole detection device, location cylinder can be arranged in inclined hole to be measured, and be held in position spheroid and be in inclined hole to be measured The position in outside, then a fore-and-aft distance pinpointing inclined hole end face to be measured on measurement and positioning spheroid, it is possible to measure fixed point Projecting the lateral separation of the subpoint to end face and inclined hole end face center to be measured, inclined hole end face center to be measured refers to inclined hole to be measured The center of port circle.
Inclined hole provided by the present invention detection device can be by location cylinder and positioning ball to the angle of inclined hole and position Putting and position and measure, detection degree of accuracy is high, it is ensured that the accuracy of inclined hole gradient, it is ensured that workmanship.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the front view of workpiece for measurement;
Fig. 2 is the top view of workpiece for measurement;
Fig. 3 is the front view of the specific embodiment of inclined hole provided by the present invention detection device;
Fig. 4 be inclined hole provided by the present invention detection device specific embodiment in position the front view of cylinder;
Fig. 5 is the detection view of the specific embodiment of inclined hole provided by the present invention detection device.
In figure 1 above-5:
1 be location cylinder, 11 be the first centre bore, 12 be the second centre bore, 2 be positioning ball, 3 for workpiece for measurement.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
The core of the present invention is to provide a kind of inclined hole detection device and method, can detect inclined hole easily, really The manufacture protecting inclined hole is accurate.
Refer to the front view that Fig. 1 to Fig. 5, Fig. 1 are workpiece for measurement;Fig. 2 is the top view of workpiece for measurement;Fig. 3 is this The front view of the specific embodiment of bright provided inclined hole detection device;Fig. 4 is that inclined hole provided by the present invention detects device Specific embodiment positions the front view of cylinder;Fig. 5 is the inspection of the specific embodiment of inclined hole provided by the present invention detection device Survey view.
A kind of inclined hole detection device provided by the present invention, is mainly used in the detection to inclined hole in part production process, Mainly for cylinder block passage hole, connecting rod oil line hole, drill jig cubing etc..Inclined hole detection device includes positioning cylinder 1 and positioning ball 2。
Location cylinder 1 is inserted in inclined hole to be measured for fixing, and positioning ball 2 is for measuring the gradient of inclined hole to be measured, fixed Position spheroid 2 is fixed on one end of location cylinder 1, and the centre of sphere of positioning ball 2 is on the centrage of location cylinder 1.
It should be noted that the centre of sphere of above-mentioned positioning ball 2 is positioning centrage or the extended line of centrage of cylinder 1 On, so the position of location cylinder 1 can be reflected in the position of positioning ball 2, it is possible to indirectly reflect the position of inclined hole to be measured.Make During with above-mentioned inclined hole detection device, location cylinder 1 can be arranged in inclined hole to be measured, and be held in position spheroid 2 and be in be measured Position outside inclined hole, then a fore-and-aft distance pinpointing inclined hole end face to be measured on measurement and positioning spheroid 2, it is possible to measure Fixed point projects the lateral separation of the subpoint to end face and inclined hole end face center to be measured, and inclined hole end face center to be measured refers to be measured The center of inclined hole port circle.
Refer to the detection view of the specific embodiment that Fig. 5, Fig. 5 are inclined hole detection device.Location cylinder 1 is set Putting in inclined hole to be measured, positioning ball 2 is arranged on outside inclined hole to be measured, then, measures the fixed point longitudinal direction to inclined hole end face to be measured Distance x, measures lateral separation y of the fixed point projection subpoint to end face and inclined hole end face center to be measured, and by fore-and-aft distance x It is calculated inclined hole to be measured with lateral separation yGradient.Finally, by calculated inclined hole to be measuredMesh with inclined hole to be measured Mark gradient compares, if difference is in allowed band, the processing of inclined hole the most to be measured is qualified, if gone beyond the scope, the most to be measured The processing of inclined hole is defective.
Owing on the surface of positioning ball 2, any point is the same to the distance of the centre of sphere, so no matter on measurement and positioning spheroid 2 The position of any point, all can position positioning ball 2, to determine the position of inclined hole to be measured.
Inclined hole provided by the present invention detection device can by location cylinder 1 and positioning ball 2 to the angle of inclined hole and Position positions and measures, and detection degree of accuracy is high, it is ensured that the accuracy of inclined hole gradient, it is ensured that workmanship.
On the basis of above-described embodiment, one end of location cylinder 1 is provided with the first centre bore 11, the first centre bore 11 For having the taper hole of inner conical surface, positioning ball 2 laminating is fixed on inner conical surface.
It should be noted that in order to ensure to position cylinder 1 and the position alignment of positioning ball 2, at locating and machining cylinder 1 Time, the first centre bore 11 and the second centre bore can be set at the two ends of location cylinder 1, and cone is set on the first centre bore 11 Shape face, by fixing with the laminating of above-mentioned taper surface for positioning ball 2, it is ensured that the alignment of the two position, so that positioning ball 2 It is more accurate to measure.
Optionally, the range of taper of inner conical surface is 100 degree to 140 degree.
Optionally, the diameter of positioning ball 2 is more than the diameter being used on the cylinder 1 of location with positioning ball 2 coupling part 1/3rd.
On the basis of any one embodiment above-mentioned, location cylinder 1 and the connection of positioning ball for convenience, and with Time in order to avoid location cylinder 1 interferometry process, can by location cylinder 1 be set to two sections, location cylinder 1 include for Small diameter shaft that positioning ball 2 connects and for the major diameter axle that is placed in inclined hole to be measured, the end of small diameter shaft is straight with big The end of journal axle connects, and the centerline collineation of the two.
It should be noted that refer to Fig. 5, the small diameter shaft one end in Fig. 5 is connected with positioning ball 2, and the other end is with big Diameter shaft connects, major diameter axle, the centerline collineation of small diameter shaft, and the centre of sphere of positioning ball 2 prolonging at above-mentioned centrage On long line.
Optionally, in any one embodiment above-mentioned, on measurement and positioning spheroid 2, fixed point and end face distance can use location Micrometer, Centigrade scale etc. measures, or arranges sensor device on positioning ball 2, for measurement and positioning spheroid 2 Position.
On the basis of any one embodiment above-mentioned, positioning ball 2 is provided with for throwing to inclined hole end face to be measured Penetrate the projecting lamp of luminous point, projecting lamp is provided with for measuring the projecting lamp position sensor to the distance of inclined hole end face to be measured.
It should be noted that after being arranged in inclined hole to be measured by location cylinder 1, projecting lamp can be made to inclined hole end to be measured Face projected light, and determine projected position, furthermore it is possible to measure the fixed point distance to projected light by sensor device, when So, metering system can also be realized by other measurement apparatus in addition to sensor.
In view of the suitability of inclined hole detection device, inclined hole can be detected device and be set to dismountable connection, and make to determine Position spheroid 2 and location cylinder 1 are by bonding connection, when various sizes of inclined hole to be measured is measured by needs, and can be to location Spheroid 2 and location cylinder 1 carry out splitting to be changed.
Except above-mentioned inclined hole detects device, the present invention also provides for one and includes inclined hole detection side disclosed in above-described embodiment Method, the method is mainly used in using above-mentioned inclined hole to detect device, to realize treating the detection in deviational survey hole, the key step of the method Including:
Step S1: the location cylinder 1 of the inclined hole detection device any one embodiment above-mentioned provided is arranged on to be measured In inclined hole, and positioning ball 2 is made to be positioned at outside inclined hole to be measured.
Step S2: the fore-and-aft distance of a fixed point of measurement and positioning spheroid 2 to the end face of inclined hole to be measured, measures fixed point projection Subpoint and the lateral separation at inclined hole end face center to be measured to end face.
Step S3: calculate the actual grade of inclined hole to be measured according to fore-and-aft distance and lateral separation.
It should be noted that above-mentioned fore-and-aft distance is for the end face of inclined hole to be measured, say, that at end face The when of being horizontally disposed with, the fore-and-aft distance of one of measurement and positioning spheroid 2 fixed point to the end face of inclined hole to be measured, namely vertically away from From, measure the lateral separation of the fixed point projection subpoint to end face and inclined hole end face center to be measured, namely horizontal range.This reality The inclined hole detection method that executing example is provided is the method applying above-mentioned inclined hole detection device.
Optionally, in step S2, a fixed point of measurement and positioning spheroid 2 arrives the step of the fore-and-aft distance of the end face of inclined hole to be measured Suddenly, measurement and positioning spheroid 2 top distance to end face is specifically included.
The present invention utilizes spherical surface body surface to the centre of sphere apart from this characteristic equal, can be effective, accurate, directly perceived and the most right The position dimension of inclined hole, the detection of three-dimensional space.Wherein, in fore-and-aft distance x, lateral separation y size, energy are measured Enough judge that the position dimension of inclined hole to be measured is the most reasonable, measure two and can judge that the gradient of inclined hole is the most correct.It addition, can also survey Amount fore-and-aft distance x, lateral separation y, the three-dimensional space of longitudinal separation z.Detection method provided by the present invention and device can To realize accurately detection, and improve detection speed.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Above inclined hole provided by the present invention detection apparatus and method are described in detail.Used herein specifically Principle and the embodiment of the present invention are set forth by individual example, and the explanation of above example is only intended to help and understands the present invention Method and core concept.It should be pointed out that, for those skilled in the art, former without departing from the present invention On the premise of reason, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into right of the present invention and wants In the protection domain asked.

Claims (8)

1. an inclined hole detection device, it is characterised in that including:
For the fixing location cylinder (1) being inserted in inclined hole to be measured;
For measuring the positioning ball (2) of the gradient of described inclined hole to be measured, described positioning ball (2) is fixed on described location cylinder (1) one end, the centre of sphere of described positioning ball (2) is on the centrage of described location cylinder (1).
Inclined hole the most according to claim 1 detection device, it is characterised in that one end of described location cylinder (1) is provided with First centre bore (11), described first centre bore (11) is the taper hole with inner conical surface, and described positioning ball (2) laminating is fixed on On described inner conical surface.
Inclined hole the most according to claim 2 detection device, it is characterised in that the range of taper of described inner conical surface is 100 degree To 140 degree.
4. detect device according to the inclined hole described in claims 1 to 3 any one, it is characterised in that described location cylinder (1) is wrapped Include the small diameter shaft for being connected with described positioning ball (2) and for being placed on the major diameter axle in described inclined hole to be measured, institute The end of the end and described major diameter axle of stating small diameter shaft is connected, and the centerline collineation of the two.
Inclined hole the most according to claim 4 detection device, it is characterised in that oriented institute is set on described positioning ball (2) State the projecting lamp of inclined hole end face to be measured projection luminous point, described projecting lamp is provided with for measuring described projecting lamp to described to be measured The position sensor of the distance of inclined hole end face.
Inclined hole the most according to claim 4 detection device, it is characterised in that described positioning ball (2) and described locating dowel Body (1) is dismountable bonding.
7. an inclined hole detection method, it is characterised in that including:
The location cylinder (1) that inclined hole described in claim 1 to 6 any one detects device is arranged in inclined hole to be measured, and Described positioning ball (2) is made to be positioned at outside described inclined hole to be measured;
Measure the fore-and-aft distance of an end face pinpointing described inclined hole to be measured of described positioning ball (2), measure described fixed point The subpoint of projection extremely described end face and the lateral separation at described inclined hole end face center to be measured;
The actual grade of described inclined hole to be measured is calculated according to described fore-and-aft distance and described lateral separation.
Inclined hole the most according to claim 7 detection device, it is characterised in that of described measurement and positioning spheroid (2) is fixed Point includes to the step of the fore-and-aft distance of the end face of described inclined hole to be measured:
Measure described positioning ball (2) top distance to described end face.
CN201610573506.0A 2016-07-20 2016-07-20 Inclined hole detection device and method Active CN106197225B (en)

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CN106197225B CN106197225B (en) 2019-08-30

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN108444434A (en) * 2018-06-13 2018-08-24 江西昌河航空工业有限公司 A kind of measurement method for slot deviation angle
CN108917546A (en) * 2018-07-12 2018-11-30 优德精密工业(昆山)股份有限公司 A kind of CRT fixing seat inclined hole checking tool and its method
CN113941876A (en) * 2021-11-02 2022-01-18 上海中船三井造船柴油机有限公司 Zero position setting tool and method for machining inclined hole in plane

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444434A (en) * 2018-06-13 2018-08-24 江西昌河航空工业有限公司 A kind of measurement method for slot deviation angle
CN108917546A (en) * 2018-07-12 2018-11-30 优德精密工业(昆山)股份有限公司 A kind of CRT fixing seat inclined hole checking tool and its method
CN113941876A (en) * 2021-11-02 2022-01-18 上海中船三井造船柴油机有限公司 Zero position setting tool and method for machining inclined hole in plane

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