CN105865310A - Deep-hole measurement tool and measurement method for deep-hole part - Google Patents
Deep-hole measurement tool and measurement method for deep-hole part Download PDFInfo
- Publication number
- CN105865310A CN105865310A CN201610209273.6A CN201610209273A CN105865310A CN 105865310 A CN105865310 A CN 105865310A CN 201610209273 A CN201610209273 A CN 201610209273A CN 105865310 A CN105865310 A CN 105865310A
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- hole
- deep
- deep hole
- rod
- measuring tool
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
Abstract
The invention discloses a deep-hole measurement tool and measurement method for a deep-hole part. The deep-hole measurement tool for the deep-hole part comprises a rod body, the rod body comprises a contact end used for contact with a variable cross section position of the hole bottom of a deep hole of a part to be measured and a metering end used as a measurement reference surface, the radial dimension of the rod body is smaller than the radial dimension of the deep hole, the outer surface of the rod body is provided with at least one guiding positioning member used for guiding the rod body to extend into the deep hole along the axial direction of the deep hole and carrying out relative positioning between the rod body and the deep hole, the guiding positioning member is in clearance fit with the deep hole, and the contact end employs a conical table surface used for contact with the variable cross section position and carrying out accurate hole-aligning positioning. According to the invention, it is ensured that the rod body extending into the deep hole is always disposed at the central axis of the deep hole; and position precision of the rod body extending into the deep hole of the part to be measured is guaranteed, an accurate position reference is provided for subsequent dial gauge bounce amount measurement, and measurement precision is guaranteed. The deep-hole measurement tool and measurement method are applied to accurate measurement of variable cross section positions of various deep-hole parts.
Description
Technical field
The present invention relates to longaxones parts processing technique field, especially, relate to a kind of deep hole measuring tool for deep-hole parts.This
Outward, the invention still further relates to a kind of longhole survey method of deep-hole parts.
Background technology
In existing longaxones parts, having a kind of special deep-hole parts, tested part as shown in Figure 3, size L is for needing
The deep hole size measured, there is rounding in the bottom in this hole, and the hole less with another diameter connects.
For above-mentioned deep-hole parts, the measuring tool of conventional measurement hole depth is as shown in Figure 4.Measuring method is: by the end of body bottom portion
Face and tested part end contact, gauge rod extend in tested hole, and the bottom of gauge rod contacts with at the bottom of hole, equipped with thousand points at table folder
Table, reflects the change in depth value in hole by reading the reading of amesdial.
Measure deep-hole parts by existing measuring tool to have the disadvantage in that
1, it is through hole at the bottom of the hole of measured hole, lacks the plane that can rest against；
2, as gauge rod bottom is designed as the rounded surface that chamfering radius at the bottom of hole in piece part is identical, for ensureing to rest against steadily, gauge rod straight
Footpath then needs to be designed as identical with tested aperture, and this will cause gauge rod to be limited by inner bore of part surface accuracy, cause putting smoothly
Enter, and improve the weight of a whole set of measuring tool, be not easy to measure.
Summary of the invention
The invention provides a kind of deep hole measuring tool for deep-hole parts and measuring method, to solve to use existing measuring tool, measured hole
Hole at the bottom of be through hole, lack the plane that can rest against；Gauge rod bottom is designed as the rounded surface identical with chamfering radius at the bottom of hole in piece part,
For ensureing to rest against steadily, the diameter of gauge rod then needs to be designed as identical with tested aperture, and this will cause gauge rod by inner bore of part surface
Precision limits, and causes putting into smoothly, and improves the weight of a whole set of measuring tool, is not easy to the technical problem measured.
According to an aspect of the present invention, it is provided that a kind of deep hole measuring tool for deep-hole parts, including the body of rod, the body of rod include for
The contact jaw that contacts with the variable cross-section position of the deep hole bottom of part to be measured and for making table end, the body of rod as measurement datum
Radial dimension less than the radial dimension of deep hole, body of rod outer surface is provided with at least one for guiding the body of rod axially stretching into along deep hole
In deep hole and carry out the guide-localization part of relative localization between the body of rod and deep hole, guide-localization part and deep hole are matched in clearance；Contact
End uses for contacting with variable cross-section position and carrying out the circular cone table top accurately positioned hole.
Further, the cone angle of circular cone table top is more than or equal to 90 °, to facilitate circular cone table top and variable cross-section position to carry out accurately hole
Location.
Further, the guide-localization part of body of rod outer surface is provided with multiple, and multiple guide-localization parts are along the axially spaced-apart cloth of the body of rod
If.
Further, the body of rod is on the position between adjacent two guide-localization parts and offers for making the body of rod enter deep hole Nei Shiping
Weighing apparatus inner and outer air pressure is to ensure that the body of rod embeds the passage in deep hole smoothly.
Further, arc transiting surface is used between guide-localization part and the body of rod, to reduce the phase between guide-localization part and deep hole
Interreaction force.
Further, the body of rod use split type pipe structure, split type pipe structure include middle part hollow pipe, be plugged in hollow
The circular cone stage body joint of the contact jaw of pipe and be plugged in the cylinder joint beating table end of hollow pipe.
Further, the part end face to be measured of outlet of deep hole and the end face beating table end of measuring state, to facilitate amesdial to lead to
The end face crossing dozen table end returns to zero.
Further, the radial cross-sectional shape of the body of rod is circular or polygon.
Further, the radial cross-sectional shape of guide-localization part is identical with deep hole radial cross-sectional shape.
According to a further aspect in the invention, additionally provide a kind of longhole survey method of deep-hole parts, comprise the following steps: a, root
The quantity of guide-localization part in the body of rod length of measuring tool and the body of rod is determined, to ensure that measuring tool is deeply according to the deep hole degree of depth of part to be measured
Do not occur bending and deformation in hole；B, the body of rod is put in the deep hole of part to be measured, keeps measuring surface A beating table end to face outwardly,
And guarantee measuring tool non-loosening in deep hole；C, by amesdial after A face carries out returning to zero table, measure the beating of part end face,
The actual size changing value of the deep hole of part to be measured is drawn by the reading of amesdial；After d, measurement, part is tilted certain
Angle, measuring tool is skidded off the deep hole of part to be measured naturally by self gravitation effect.
The method have the advantages that
For the deep hole measuring tool of deep-hole parts, in using the body of rod to be assembled to deep-hole parts and carry out stationary positioned, by directly at bar
The table end of beating of body carries out playing table measurement, thus obtains the longhole survey data of deep-hole parts.The body of rod is treated by being extend into by contact jaw
Survey in the deep hole of part, and the guiding during being stretched into by guide-localization part and location, so that it is guaranteed that stretch in deep hole
The body of rod is on the axis of deep hole all the time.It is be combined with each other by the contact jaw of guide-localization part with circular cone table top, so that it is guaranteed that connect
Contravention can accurately variable cross-section position in deep hole bottom carry out being accurately positioned hole, it is ensured that the body of rod stretches into the deep hole of part to be measured
Positional precision, measures for follow-up amesdial jerk value and provides accurate position reference, it is ensured that the precision of measurement.Due to by guiding
Keeper carries out stretching into guiding and location, and the radial dimension of the body of rod itself less than the structure of deep hole aperture size, thus can drop
The own wt of low measuring tool, saves manufacturing cost, and is to measure simpler convenience.The change being applicable to various deep-hole parts cuts
The accurate measurement of position, face.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
With reference to the accompanying drawings, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is one of structural representation of deep hole measuring tool for deep-hole parts of the preferred embodiment of the present invention；
Fig. 2 is the two of the structural representation of the deep hole measuring tool for deep-hole parts of the preferred embodiment of the present invention；
Fig. 3 is the structural representation of existing deep-hole parts；
Fig. 4 is existing measuring tool.
Marginal data:
1, the body of rod；101, contact jaw；102, table end is beaten；103, hollow pipe；104, circular cone stage body joint；105, cylinder
Body joint；2, part to be measured；201, deep hole；202, variable cross-section position；3, guide-localization part；4, passage；5, arc
Shape transition face.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can by following be limited and covered
Multitude of different ways is implemented.
Fig. 1 is one of structural representation of deep hole measuring tool for deep-hole parts of the preferred embodiment of the present invention；Fig. 2 is the present invention
The two of the structural representation of the deep hole measuring tool for deep-hole parts of preferred embodiment.
As it is shown in figure 1, the deep hole measuring tool for deep-hole parts of the present embodiment, including the body of rod 1, the body of rod 1 includes for to be measured
The contact jaw 101 of the contact of the variable cross-section position 202 at the bottom of deep hole 201 hole of part 2 and for playing table as measurement datum
End 102, the radial dimension of the body of rod 1 is less than the radial dimension of deep hole 201, and the body of rod 1 outer surface is provided with at least one for guiding bar
Body 1 along deep hole 201 axially stretch into deep hole 201 in and carry out the guide-localization part 3 of relative localization between the body of rod 1 and deep hole 201,
Guide-localization part 3 and deep hole 201 are matched in clearance；Contact jaw 101 uses for contacting with variable cross-section position 202 and carrying out essence
The really circular cone table top to location, hole.For the deep hole measuring tool of deep-hole parts, in using the body of rod 1 to be assembled to deep-hole parts and carry out solid
Location, carries out playing table measurement by the direct table end 102 of beating at the body of rod 1, thus the deep hole 201 obtaining deep-hole parts is measured
Data.The body of rod 1 is by extending into contact jaw 101 in the deep hole 201 of part 2 to be measured, and is carried out by guide-localization part 3
Guiding during stretching into and location, so that it is guaranteed that the body of rod 1 stretched in deep hole 201 is on the axis of deep hole 201 all the time.
It is be combined with each other by the contact jaw 101 of guide-localization part 3 with circular cone table top, so that it is guaranteed that contact jaw 101 can be accurately at deep hole
Variable cross-section position 202 at the bottom of 201 holes carries out being accurately positioned hole, it is ensured that the body of rod 1 stretches into the position of the deep hole 201 of part 2 to be measured
Precision, measures for follow-up amesdial jerk value and provides accurate position reference, it is ensured that the precision of measurement.Owing to passing through guide-localization
Part 3 carries out stretching into guiding and location, and the radial dimension of the body of rod 1 itself can be less than the structure of deep hole 201 aperture size, from
And reduce the own wt of measuring tool, save manufacturing cost, and be to measure simpler convenience.It is applicable to various deep-hole parts
The accurate measurement of variable cross-section position 202.Alternatively, the radial dimension of contact jaw 101 matches with variable cross-section position 202, bar
Body 1 radial dimension is less than deep hole 201 radial dimension, and the gauge rod of the radial dimension and amesdial of beating table end 102 matches.
As depicted in figs. 1 and 2, in the present embodiment, the cone angle of circular cone table top is more than or equal to 90 °, to facilitate circular cone table top and change
Sectional position 202 carries out accurately positioning hole.
As depicted in figs. 1 and 2, in the present embodiment, the guide-localization part 3 of the body of rod 1 outer surface is provided with multiple.Multiple guiding
Keeper 3 is laid along the axially spaced-apart of the body of rod 1.The depth dimensions of the deep hole 201 according to part 2 to be measured, selects outside the body of rod 1
The quantity of the guide-localization part 3 on surface, with ensure measuring tool do not occur in deep hole 201 excessive flexural deformation (excessive flexural deformation,
The error that i.e. flexural deformation causes exceeds allowed measurement error scope).
As depicted in figs. 1 and 2, in the present embodiment, the body of rod 1 is on the position between adjacent two guide-localization parts 3 and offers
Inner and outer air pressure is balanced to ensure that the body of rod 1 embeds the passage 4 in deep hole 201 smoothly during for making the body of rod 1 enter in deep hole 201.
Connect outside air by passage 4, thus ensure during the body of rod 1 stretches into deep hole 201, adjacent two guide-localization parts 3
Between air pressure and the ambient pressure in region reach balance, thus reduce the air pressure being subject to when the body of rod 1 stretches into deep hole 201 and hinder.
As depicted in figs. 1 and 2, in the present embodiment, between guide-localization part 3 and the body of rod 1, use arc transiting surface 5, to reduce
Interaction force between guide-localization part 3 and deep hole 201.
As depicted in figs. 1 and 2, in the present embodiment, the body of rod 1 uses split type pipe structure, during split type pipe structure includes
The hollow pipe 103 in portion, it is plugged in the circular cone stage body joint 104 of the contact jaw 101 of hollow pipe 103 and is plugged in hollow pipe 103
The cylinder joint 105 beating table end 102.Axially different length can be selected according to deep hole 201 depth size of part 2 to be measured
The degree circular cone stage body joint 104 of size and/or cylinder joint 105 are assemblied on hollow pipe 103 so that beat table end 102 and
The outer face of part 2 to be measured flushes, and facilitates follow-up jerk value to measure.
As depicted in figs. 1 and 2, in the present embodiment, part to be measured 2 end face in deep hole 201 aperture beats table end with measuring state
The end face of 102, to facilitate amesdial to return to zero by beating the end face of table end 102.
As depicted in figs. 1 and 2, in the present embodiment, the radial cross-sectional shape of the body of rod 1 is circular or polygon.Can basis
The deep hole 201 hole shape of part 2 to be measured, selects the different body of rod 1 shapes, thus facilitates the body of rod 1 to stretch into deep hole 201.
As depicted in figs. 1 and 2, in the present embodiment, the radial cross-sectional shape of guide-localization part 3 and deep hole 201 radial section shape
Shape is identical.Thus facilitate guiding and the location of guide-localization part 3, reduce the body of rod 1 and stretch into the position deviation of deep hole 201.Optional
Ground, the radial cross-sectional shape of guide-localization part 3 is different from deep hole 201 radial cross-sectional shape, guide-localization part 3 by radially with
Axial and deep hole 201 internal face multipoint positioning realizes guiding and location.
The longhole survey method of the deep-hole parts of the present embodiment, comprises the following steps: a, deep according to the deep hole 201 of part 2 to be measured
Degree determines the quantity of guide-localization part 3 on the body of rod 1 length of measuring tool and the body of rod 1, to ensure that measuring tool is not sent out in deep hole 201
Raw flexural deformation；B, the body of rod 1 is put in the deep hole 201 of part 2 to be measured, keep measuring surface A beating table end 102 to face
Outward, and guarantee measuring tool non-loosening in deep hole 201；C, by amesdial A face carry out to table return to zero after, measure part end face
Beat, drawn the actual size changing value of the deep hole 201 of part 2 to be measured by the reading of amesdial；After d, measurement,
Part tilts certain angle, and measuring tool is skidded off the deep hole 201 of part 2 to be measured naturally by self gravitation effect.
During enforcement, it is provided that a kind of deep hole measuring tool for deep-hole parts, as it is shown in figure 1, this measuring tool is designed as one compares measured hole
The round bar (body of rod 1) that (deep hole 201) degree of depth is slightly longer, round bar (body of rod 1) and the part (variable cross-section position 202) contacted at the bottom of hole
It is designed to the diameter of the conical surface (circular cone table top), the conical surface (circular cone table top) and hole feather edge contact portion (variable cross-section position 202)
It is designed as identical with another less aperture of variable cross-section position 202 in part 2 to be measured.Can by this conical surface (circular cone table top)
Realize being accurately positioned of position at the bottom of hole.
The diameter design of long round bar (body of rod 1) is to coordinate with inner bore of part (deep hole 201) diametric clearance, deep according to institute's gaging hole
Dimensional accuracy need to adjust matching relationship accordingly.For ease of putting into hole (deep hole 201) smoothly, and realize preferably location, can
Only retaining diameter constant (radial dimension of guide-localization part 3 is constant) at two, the diameter of remainder reduces the (radial direction of the body of rod 1
Size reduces).
The end face that the end face A face of round bar (body of rod 1) is designed as with part aligns, after using amesdial to return to zero on A face,
Measure beating of part end face and can draw the changing value of hole depth.
As optimizing design, hole higher for depth size, can suitably increase the cylindrical section (guide-localization part 3) for location,
To ensure that this measuring tool does not occur excessive flexural deformation to be advisable in hole.
From the point of view of alleviating weight, for the part that aperture is bigger, can use and be respectively embedded into as main body, two ends using steel pipe
The single-piece processed separately is as assembly.For ensureing that measuring tool embeds deep hole 201 smoothly, pore 4 need to be opened at measuring tool non-locating,
Equally realize accurately measuring, as shown in Figure 2.
Measuring tool achieves the measurement of deep hole size by two-point locating and conical surface location, has structure practical, easy to operate advantage.
Measuring tool and hole bottom contact position (variable cross-section position 202) are designed as tapering, and taper angle preferably takes not less than 90 °, favorably
In positioning the accurate positioning to hole.Positioning section (guide-localization part 3) protruding at measuring tool surface configuration two, for the A face to table
(beating table end 102), the conical surface (circular cone table top) and positioning section (guide-localization part 3) need to have preferable surface accuracy and morpheme
Tolerance.
As it is shown in figure 1, gauge is put in the deep hole 201 of part 2 to be measured, keep A to face outwardly, and guarantee that measuring tool is in hole
Non-loosening, by amesdial after A face carries out returning to zero table, is measured beating of part end face, can be obtained by the reading of amesdial
Go out the actual size changing value of deep hole.After use, part tilting certain angle, measuring tool can be slided naturally by action of gravity
Go out.Measuring tool must be saved in tub.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. for a deep hole measuring tool for deep-hole parts, including the body of rod (1),
The described body of rod (1) include for the variable cross-section position (202) at the bottom of deep hole (201) hole of part to be measured (2)
The contact jaw (101) of contact and for beating table end (102) as measurement datum,
It is characterized in that,
The radial dimension of the described body of rod (1) is less than the radial dimension of described deep hole (201),
The described body of rod (1) outer surface is provided with at least one for guiding the described body of rod (1) axially stretching along deep hole (201)
Enter in described deep hole (201) and carry out the guide-localization of relative localization between the described body of rod (1) and described deep hole (201)
Part (3),
Described guide-localization part (3) and described deep hole (201) are matched in clearance；
Described contact jaw (101) uses for contacting with described variable cross-section position (202) and carrying out accurately to location, hole
Circular cone table top.
Deep hole measuring tool for deep-hole parts the most according to claim 1, it is characterised in that
The cone angle of described circular cone table top is more than or equal to 90 °, to facilitate described circular cone table top and described variable cross-section position (202)
Carry out accurately hole being positioned.
Deep hole measuring tool for deep-hole parts the most according to claim 1, it is characterised in that
The described guide-localization part (3) of the described body of rod (1) outer surface is provided with multiple,
Multiple described guide-localization parts (3) are laid along the axially spaced-apart of the described body of rod (1).
Deep hole measuring tool for deep-hole parts the most according to claim 3, it is characterised in that
The described body of rod (1) is on the position between adjacent two guide-localization parts (3) and offers for making the described body of rod (1)
Enter described deep hole (201) interior time balance inner and outer air pressure to ensure that the described body of rod (1) embeds smoothly described deep hole (201)
In passage (4).
Deep hole measuring tool for deep-hole parts the most according to any one of claim 1 to 4, it is characterised in that
Arc transiting surface (5) is used, to reduce described guiding between described guide-localization part (3) and the described body of rod (1)
Interaction force between keeper (3) and described deep hole (201).
Deep hole measuring tool for deep-hole parts the most according to any one of claim 1 to 4, it is characterised in that
The described body of rod (1) uses split type pipe structure,
Described split type pipe structure includes the hollow pipe (103) at middle part, is plugged in the contact jaw of described hollow pipe (103)
(101) circular cone stage body joint (104) and be plugged in the cylinder beating table end (102) of described hollow pipe (103)
Body joint (105).
Deep hole measuring tool for deep-hole parts the most according to any one of claim 1 to 4, it is characterised in that
Part to be measured (2) end face in described deep hole (201) aperture and the end face beating table end (102) of measuring state,
To facilitate amesdial to return to zero by beating the end face of table end (102).
Deep hole measuring tool for deep-hole parts the most according to any one of claim 1 to 4, it is characterised in that
The radial cross-sectional shape of the described body of rod (1) is circular or polygon.
Deep hole measuring tool for deep-hole parts the most according to any one of claim 1 to 4, it is characterised in that
The radial cross-sectional shape of described guide-localization part (3) is identical with described deep hole (201) radial cross-sectional shape.
10. the longhole survey method of a deep-hole parts, it is characterised in that comprise the following steps:
A, deep hole (201) degree of depth according to part to be measured (2) determine the body of rod (1) length and the body of rod (1) of measuring tool
The quantity of upper guide-localization part (3), to ensure that measuring tool does not occurs bending and deformation in deep hole (201)；
B, the body of rod (1) is put in the deep hole (201) of part to be measured (2), keep the measurement beating table end (102)
Face A faces outwardly, and guarantees measuring tool non-loosening in deep hole (201)；
C, by amesdial after A face carries out returning to zero table, measure the beating of part end face, obtained by the reading of amesdial
Go out the actual size changing value of the deep hole (201) of part to be measured (2)；
After d, measurement, part tilting certain angle, measuring tool is skidded off part to be measured (2) naturally by self gravitation effect
Deep hole (201).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209273.6A CN105865310A (en) | 2016-04-06 | 2016-04-06 | Deep-hole measurement tool and measurement method for deep-hole part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610209273.6A CN105865310A (en) | 2016-04-06 | 2016-04-06 | Deep-hole measurement tool and measurement method for deep-hole part |
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| CN106285633A (en) * | 2016-10-26 | 2017-01-04 | 贵州盘江精煤股份有限公司 | A kind of drilled via determinator and assay method thereof |
| CN106468532A (en) * | 2016-10-11 | 2017-03-01 | 浙江超威创元实业有限公司 | A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method |
| CN108548509A (en) * | 2018-04-18 | 2018-09-18 | 洛阳理工学院 | A kind of deep hole quality detection device |
| CN108562203A (en) * | 2018-05-28 | 2018-09-21 | 中国航发湖南动力机械研究所 | The survey tool and its method of counter sink |
| CN114111522A (en) * | 2021-10-20 | 2022-03-01 | 通用技术集团大连机床有限责任公司 | Measuring tool for deep hole of high-speed precision spindle mandrel |
| CN114353633A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Method and measuring tool for measuring aperture size in continuous depth range |
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| CN106468532A (en) * | 2016-10-11 | 2017-03-01 | 浙江超威创元实业有限公司 | A kind of aluminum plastic film scour hole depth measuring apparatus and its measuring method |
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| CN108562203A (en) * | 2018-05-28 | 2018-09-21 | 中国航发湖南动力机械研究所 | The survey tool and its method of counter sink |
| CN114111522A (en) * | 2021-10-20 | 2022-03-01 | 通用技术集团大连机床有限责任公司 | Measuring tool for deep hole of high-speed precision spindle mandrel |
| CN114353633A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Method and measuring tool for measuring aperture size in continuous depth range |
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