CN208505202U - The middle detection device for distance between centers of two of two hole spatial intersectings - Google Patents
The middle detection device for distance between centers of two of two hole spatial intersectings Download PDFInfo
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- CN208505202U CN208505202U CN201821139551.6U CN201821139551U CN208505202U CN 208505202 U CN208505202 U CN 208505202U CN 201821139551 U CN201821139551 U CN 201821139551U CN 208505202 U CN208505202 U CN 208505202U
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Abstract
A kind of middle detection device for distance between centers of two of two hole spatial intersecting, including origin reference location shaft member, origin reference location shaft member is the integral structure for being successively arranged measurement shaft part, positioning shaft part, defining flange from front to back, shaft part is positioned to be used for and the first hole transition fit on workpiece to be checked, it measures shaft section diameter and is less than positioning shaft part, defining flange diameter is greater than positioning shaft part, and defining flange front end is the limit end face perpendicular to axial line；It further include the centration axis equipped with drift, drift, which is located at, to be radially extended along centration axis on the shaft part of centration axis and is integrated with centration axis, drift lower end is the positioning region that centration axis extends downwardly, positioning region is used to position with the second hole cooperation on workpiece to be checked, one no-go gage of interference fit installation in centration axis, no-go gage intersects with drift to be radially extended along centration axis, and drift cooperation is equipped in resigning groove in no-go gage lower end, and the lower end surface of no-go gage and drift flushes.This detection device volume is small, structure is simple, manufacturing cost is low, and the precision of detection, accuracy are high, and use is simple and efficient.
Description
Technical field
The utility model relates to a kind of detection device, in particular to a kind of middle detection device for distance between centers of two of two hole spatial intersectings.
Background technique
In machinery field, component on the staggered two hole center distance in space be the key that influence component assembly precision because
Element can seriously affect the cooperation between the part in two holes if the staggered two hole center distance error in space is larger on component
Error, which increases or cooperates, excessively to be loosened, and causes the impact of mutually matched part during the work time to increase, abrasion adds
Play leads to product reduced service life, and loud noise or mutual cooperation tension can be generated by working at the same time process also, and can be serious
The kinematic dexterity of mutually matched two part is influenced, catching phenomenon is generated, leads to operation irregularity, therefore for the component of processing
The detection of the staggered two hole center distance in upper space is particularly significant.Currently, for spatial intersecting two holes center away from three-dimensional space
Detection, usually uses three-coordinates measuring machine and is detected, but three-coordinates measuring machine is expensive, the requirement and maintenance used
The expense of maintenance is also high, and the used time of one component of every detection is longer, and inspecting by random samples to components can be with if to high-volume
The product of production is detected using three-coordinates measuring machine, will seriously affect detection efficiency, at all can not be in enterprise implement.Therefore it is existing
Some enterprises all only inspect the components of processing by random samples using three-coordinates measuring machine, have a large amount of product that cannot detect,
Thus the ex factory pass rate of product has been seriously affected again.And three-coordinates measuring machine can only detect the size of single part, and it cannot
The center carpenters square cun of two hole practical sets is really measured, there are errors with practical set size for test value, after component assembly is good
The normal operation of tolerances work may still be surpassed.In particular for spatial vertical on the reducer shell of the windscreen wiper assembly of automobile
Staggeredly the center in hole away from detection, once detection accuracy it is not high, will have a direct impact on the work of rain shaving electrical machine on automobile, if
Center is away from super tolerance, and noise when not only rain shaving electrical machine works is big, and the abrasion of rain shaving electrical machine is also serious, shortens rain shaving electrical machine
Service life.
Summary of the invention
The purpose of this utility model is to provide a kind of center of two hole spatial intersectings in view of the deficiencies of the prior art away from detection
Device, this detection device is not only small in size, structure is simple, and the cost of the manufacturing is low, its processing is also easy, can reach high-precision
The accuracy of the requirement of degree, detection is high, and use is also convenient and efficient, there is high detection efficiency.
The technical solution of the utility model is: a kind of middle detection device for distance between centers of two of two hole spatial intersectings, including origin reference location
Shaft member, it is characterised in that: the origin reference location shaft member is to be successively arranged measurement shaft part, positioning shaft part, defining flange from front to back
Integrated stepped shaft structure, the measurement shaft part, positioning shaft part, defining flange are same axial line, and the positioning shaft part is used for
Origin reference location is formed with the first hole transition fit on workpiece to be checked, the measurement shaft section diameter is less than positioning shaft part for examining
It surveys, the defining flange diameter is greater than positioning shaft part for limiting, and the front end of the defining flange is limit end face, the positive stop end
Face is perpendicular to axial line；It further include a centration axis for being equipped with drift, drift is located on the shaft part of centration axis, and the drift is along centering
Axis radially extends, and is integrally machined molding with centration axis, the lower end of the drift is the positioning region that centration axis extends downwardly, the positioning
Portion is used to position with the second hole cooperation on workpiece to be checked, a no-go gage is installed in the centration axis, the no-go gage passes through in setting
Heart through-hole is interference fitted in centration axis, and the no-go gage intersects with drift, radially extends along centration axis, and the lower end of the no-go gage is set
There is resigning groove, makes drift cooperation in resigning groove, the structure that the lower end surface of formation no-go gage and drift flushes.
Grip part is equipped in the origin reference location shaft member, centration axis, the holding area of origin reference location shaft member is in limit convex
The rear end of edge, the holding area of the centration axis is in the upper end of no-go gage.
The outer surface of the grip part is equipped with anti-skidding lines.
The upper section of the positioning region is taper to middle section, which is greater than on workpiece to be checked the to the bigger diameter end of middle section upper end
The aperture in two holes.
The limit end face of the defining flange is equipped with annular resigning groove.
The defining flange is equipped with fixation hole.
The no-go gage is circumferentially fixed by a radial peg and centration axis.
The drift, no-go gage elongated end be the drift elongated end circular arc half using centration axis axial line as the circular arc in the center of circle
Diameter is 0.051 ~ 0.0525mm smaller than no-go gage elongated end arc radius.
The drift is the structure radially extended using centration axis axial line as center both ends, and the no-go gage is with centration axis axis
Heart line is the structure that center both ends radially extend.
By adopting the above technical scheme: including origin reference location shaft member, the origin reference location shaft member is to be successively arranged from front to back
The integrated stepped shaft structure of shaft part, positioning shaft part, defining flange is measured, the measurement shaft part, positioning shaft part, defining flange are same
One axial line, the positioning shaft part are used to form origin reference location, the measurement axis with the first hole transition fit on workpiece to be checked
Section diameter is less than positioning shaft part for detecting, and the defining flange diameter is greater than positioning shaft part and is used to limit, the defining flange
Front end be limit end face, the limit end face is perpendicular to axial line；It further include a centration axis for being equipped with drift, drift is located at centering
On the shaft part of axis, the drift is radially extended along centration axis, is integrally machined molding with centration axis, the lower end of the drift is centering
The positioning region that axis extends downwardly, the positioning region are used to position with the second hole cooperation on workpiece to be checked, install one in the centration axis
No-go gage, the no-go gage are interference fitted in centration axis by the central through hole being arranged, and the no-go gage intersects with drift, along centration axis
It radially extends, the lower end of the no-go gage is equipped with resigning groove, makes drift cooperation in resigning groove, is formed under no-go gage and drift
The structure of end face.In processing, the end face of drift longitudinal end in centration axis should be met to the distance of centration axis axial line, with
The sum of measurement shaft part radius in origin reference location shaft member is the least limit ruler of the staggered two hole center distance in space on workpiece to be checked
It is very little, in centration axis the end face of no-go gage longitudinal end to centration axis axial line distance, with the measurement shaft part in origin reference location shaft member half
The sum of diameter is the maximum limit of size of the staggered two hole center distance in space on workpiece to be checked.In use, make origin reference location shaft member with
The first hole on workpiece to be checked corresponds to installation, and the positioning shaft part in origin reference location shaft member is matched with the first hole transition on workpiece to be checked
It closes, forms origin reference location shaft member and be accurately positioned；Centration axis installation corresponding with the second hole on workpiece to be checked, the positioning region of centration axis
Cooperate with the second hole on workpiece to be checked, forms the accurate positioning of centration axis.It respectively corresponds after installing, centration axis can be rotated
To the center in staggered two hole in space on workpiece to be checked away from detecting.When rotation, if the drift in centration axis can be by not
By the obstruction for measuring shaft part on origin reference location axis, no-go gage in centration axis cannot be by by measuring shaft part on origin reference location axis
Stop, then on the workpiece to be checked the center in staggered two hole in space away from qualification；If the drift in centration axis cannot pass through, or
No-go gage in centration axis can pass through, then on the workpiece to be checked the center in staggered two hole in space away from unqualified.Therefore this detection
Device can detecte staggered two hole in space on workpiece to be checked center carpenters square cun in practical set, base when detection, in device
Certainly position shaft member and centration axis is both as detection instrument, while also as the workpiece cooperated with the first and second hole, the knot of inspection
Fruit is more acurrate reliable.Origin reference location shaft member in this detection device is structure as a whole, not only processing and easy to assembly, origin reference location
There has also been guarantees for the precision of shaft member.And the limit end face of origin reference location shaft member upper limit flange is being installed perpendicular to axial line
When, the positive stop end face paste of defining flange lives the outer surface of workpiece to be checked, not only forms the axial limiting of origin reference location shaft member, also protects
The verticality for having demonstrate,proved origin reference location shaft member Yu outer surface of workpiece to be checked improves the accuracy of detection.Drift in the present apparatus with
Centration axis is structure as a whole, and no-go gage is fixed in centration axis by assembly, which not only simplifies centration axis, drift, stops
The precision of the processing technology of rule, drift and no-go gage is also ensured.When processing, the drift in centration axis can be first finished, it is right
No-go gage only carries out roughing, later fixes no-go gage and centration axis interference fit, then is carried out by centration axis positioning to no-go gage
Finishing, the processing of such drift just not will receive the influence of no-go gage, drift, no-go gage size can meet high-precision want
It asks, it is therefore prevented that the generation of error ensure that the accuracy of detection.The small in size of this detection device, structure are simple, the manufacturing
It is at low cost, use and safeguard also easy, while the time for detecting needs is also short, detection it is high-efficient, can be used for producing in batches
The qualification rate of product testing, product is also more acurrate.After workpiece to be checked is detected by the present apparatus, it is ensured that space on the workpiece of factory
Staggered two hole center distance avoids due to the cooperation between the part for being set to two holes is excessively loose in the range of tolerance allows in work
Generate impact during making, or cooperation tension and the phenomenon that generate movement clamping stagnation, extend workpiece and its Assembly part
Service life.
Grip part is equipped in the origin reference location shaft member, centration axis, the holding area of origin reference location shaft member is in limit convex
The rear end of edge, the holding area of the centration axis is in the upper end of no-go gage.Grip part is mainly used for taking for this detection device, convenient
The installation and removal of origin reference location shaft member and centration axis, when detecting, grip part also facilitates the rotation of centration axis, so that inspection
The operation of survey is easier.The outer surface of the grip part is equipped with anti-skidding lines, and anti-skidding lines increases hand and grip part
Frictional force, it is therefore prevented that landing of the detection device when taking, origin reference location shaft member and centration axis will not be damaged because of landing, be protected
The service life of the present apparatus is demonstrate,proved.
The upper section of the positioning region is taper to middle section, which is greater than on workpiece to be checked the to the bigger diameter end of middle section upper end
The aperture in two holes.The taper of setting improves the positioning accuracy of centration axis to middle section, and processing is also compensated for while to middle and is missed
Difference, and taper also forms the axial limiting of centration axis to middle section, avoids drift and no-go gage lower end surface and workpiece for measurement is straight
The case where contact.
The limit end face of the defining flange is equipped with annular resigning groove.There are the workpiece for measurement of protrusion, limit for outer surface
The annular resigning groove of position flange can step down to convexing to form, and ensure that sufficiently connecing for limit end face and workpiece for measurement outer surface
Touching.
The defining flange is equipped with fixation hole, and the fixation hole of setting can be corresponding with the hole on workpiece for measurement, passes through bolt
Origin reference location shaft member is fixed on workpiece for measurement, the axial limiting of origin reference location shaft member is more stable, limit end face and work to be measured
The contact of part outer surface is also more preferable, and the positioning of origin reference location shaft member is more preferable.
The no-go gage is circumferentially fixed by a radial peg and centration axis.Radial peg be auxiliarily fixed so that centration axis with only
The fixation of rule is more stable and reliable, it is therefore prevented that rotation of the no-go gage in finishing, the precision of no-go gage processing is more acurrate, no-go gage and drift
Testing result it is also more reliable.
The drift, no-go gage elongated end be the drift elongated end circular arc half using centration axis axial line as the circular arc in the center of circle
Diameter is 0.051 ~ 0.0525mm smaller than no-go gage elongated end arc radius.Drift, no-go gage radially extend end arc surface can to detect into
Row guiding, it is therefore prevented that the collision of drift, the end of no-go gage and origin reference location shaft member measurement shaft part when detection extends this detection dress
The service life set.Keep drift elongated end arc radius 0.051 ~ 0.0525mm smaller than no-go gage elongated end arc radius, drift with
The precision of no-go gage measurement is higher, detects also more reliable.
The drift is the structure radially extended using centration axis axial line as center both ends, and the no-go gage is with centration axis axis
Heart line is the structure that center both ends radially extend.In this way drift, no-go gage two radially extend end can be detected, one end is ground
It is also detected using the other end after damage, extends the service life of detection device.
The middle detection device for distance between centers of two of this two holes spatial intersecting can detecte staggered two hole in space on workpiece to be checked in reality
Center carpenters square cun when assembly, the result of inspection is accurate and reliable.Drift in device is structure as a whole with centration axis, and no-go gage is to pass through
Assembly is fixed in centration axis, and the processing is simple for centration axis, drift, no-go gage, and can reach drift and no-go gage is high-precision wants
It asks.The volume of this detection device is also small, structure is simple, and the cost of the manufacturing is low, and use is also convenient and efficient, the efficiency of detection
It is high.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model origin reference location shaft member；
Fig. 3 is the structural schematic diagram of the utility model centration axis；
Fig. 4 is the structural schematic diagram of the utility model no-go gage；
Fig. 5 is the structural schematic diagram of the utility model no-go gage and centration axis cooperation.
In attached drawing, 1 is no-go gage, and 1-1 is resigning groove, and 2 be drift, and 3 be centration axis, and 3-1 is positioning region, and 3-2 is taper
To middle section, 4 be radial peg, and shaft member is positioned on the basis of 5, and 5-1 is measurement shaft part, and 5-2 is positioning shaft part, and 5-3 is defining flange, 5-
3-1 is annular resigning groove, and 5-3-2 is fixation hole, and 5-3-3 is limit end face.
Specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of middle detection device for distance between centers of two of two hole spatial intersecting, including origin reference location shaft member 5.It is described
Origin reference location shaft member 5 is the integrated ladder for being successively arranged measurement shaft part 5-1, positioning shaft part 5-2, defining flange 5-3 from front to back
Axle construction, the measurement shaft part 5-1, positioning shaft part 5-2, defining flange 5-3 be same axial line, ensure that measurement shaft part 5-1,
Position the concentricity of shaft part 5-2, defining flange 5-3.The positioning shaft part 5-2 with the first hole transition on workpiece to be checked for matching
Conjunction forms origin reference location, and the measurement shaft part 5-1 diameter is less than positioning shaft part 5-2 and is used to detect, the defining flange 5-3 diameter
Greater than positioning shaft part 5-2 for limiting.The front end of the defining flange 5-3 is limit end face 5-3-3, limit end face 5-3-3
Perpendicular to axial line, during installation, the limit end face 5-3-3 of defining flange 5-3 touch the outer surface of workpiece to be checked, is not only formed
The axial limiting of origin reference location shaft member 5, it is ensured that the verticality of origin reference location shaft member 5 and outer surface of workpiece to be checked improves
The accuracy of detection.The limit end face 5-3-3 of the defining flange 5-3 is equipped with annular resigning groove 5-3-1, has for outer surface
The annular resigning groove 5-3-1 of the workpiece for measurement of protrusion, defining flange 5-3 can step down to convexing to form, and ensure that limit end face
5-3-3 comes into full contact with workpiece for measurement outer surface.The defining flange 5-3 is equipped with fixation hole 5-3-2, the fixation hole of setting
5-3-2 can be corresponding with the hole on workpiece for measurement, origin reference location shaft member 5 is fixed on workpiece for measurement by bolt, origin reference location
The axial limiting of shaft member 5 is more stable, limits end face 5-3-3 and the contact of workpiece for measurement outer surface is also more preferable, origin reference location shaft member 5
Positioning it is more preferable；This detection device further includes a centration axis 3 for being equipped with drift 2, and drift 2 is located on the shaft part of centration axis 3, described
Drift 2 is radially extended along centration axis 3, is integrally machined molding with centration axis 3.The lower end of the drift 2 is that centration axis 3 extends downwardly
Positioning region 3-1, positioning region 3-1 be used for and on workpiece to be checked second hole cooperation position.The upper section of the positioning region 3-1 is cone
Shape is greater than the aperture in the second hole on workpiece to be checked to the bigger diameter end of the middle section upper end 3-2 to middle section 3-2, the taper.The taper of setting
The positioning accuracy that centration axis 3 is improved to middle section 3-2 also compensates for manufacturing tolerance while to middle.In the centration axis 3
One no-go gage 1 is installed, the no-go gage 1 is interference fitted in centration axis 3 by the central through hole being arranged, and by a radial peg 4 with
Centration axis 3 is circumferentially fixed.Radial peg 4 is is auxiliarily fixed, so that centration axis 3 and the fixation of no-go gage 1 are more stable and reliable, no-go gage 1
Machining accuracy is more acurrate, and no-go gage 1 and the testing result of drift 2 are also more reliable.The no-go gage 1 intersects with drift 2, along centration axis 3
Radially extend, the drift 2, no-go gage 1 elongated end be using 3 axial line of centration axis as the circular arc in the center of circle, 2 elongated end of drift circle
Arc radius is 0.051 ~ 0.0525mm smaller than 1 elongated end arc radius of no-go gage.The arc surface that drift 2, no-go gage 1 radially extend end can be right
Detection is oriented to, it is therefore prevented that drift 2, the end of no-go gage 1 and origin reference location shaft member 5 measure the collision of shaft part 5-1 when detection, prolong
The service life of this detection device is grown.Make 2 elongated end arc radius of drift it is smaller by 0.051 than 1 elongated end arc radius of no-go gage ~
0.0525mm, drift 2 and the precision that no-go gage 1 measures are higher, detect also more reliable.The drift 2 is to be with 3 axial line of centration axis
The structure that center both ends radially extend, the no-go gage 1 are the structure radially extended using 3 axial line of centration axis as center both ends.This
Sample drift 2, no-go gage 1 two radially extend end can be detected, one end is also detected using the other end after being worn, and can also be prolonged
The service life of long detection device.The lower end of the no-go gage 1 is equipped with resigning groove 1-1, makes the cooperation of drift 2 in resigning groove 1-1
In, form the structure that the lower end surface of no-go gage 1 and drift flushes.Taper also forms the axial limiting of centration axis 3 to middle section 3-2,
Avoid the case where drift 2 and 1 lower end surface of no-go gage are directly contacted with workpiece for measurement.In the origin reference location shaft member 5, centration axis 3
It is equipped with grip part, the grip part 5-4 of origin reference location shaft member 5 is located at the rear end of defining flange 5-3, the gripping of the centration axis 3
Portion 3-3 is located at the upper end of no-go gage 1.Grip part is mainly used for taking for this detection device, facilitates origin reference location shaft member 5 and centering
The installation and removal of axis 3, when detecting, grip part also facilitate the rotation of centration axis 3, so that the operation of detection is easier.Institute
The outer surface for stating grip part is equipped with anti-skidding lines, and anti-skidding lines increases the frictional force of hand and grip part, it is therefore prevented that detection
Landing of the device when taking, origin reference location shaft member 5 and centration axis 3 will not be damaged because of landing, ensure that making for the present apparatus
Use the service life.The circumference of the grip part is equipped with the tangent plane for carving characters, and carves characters in tangent plane mainly for detection of device
Identification.For different workpieces for measurement, its detection device is also different, and type designations corresponding to each detection device are being held
After in the tangent plane in portion, the model of detection device is very clear, avoids the generation for taking phenomenon by mistake, and taking for detection device is also fast
It is prompt.
When processing this detection device, the end face of 2 longitudinal end of drift in centration axis 3 should be met to 3 axial line of centration axis
The sum of the radius that shaft part 5-1 is measured in distance, with origin reference location shaft member 5 is the staggered two hole center distance in space on workpiece to be checked
The minimum limit of size, in centration axis 3 end face of 1 longitudinal end of no-go gage to 3 axial line of centration axis distance, with origin reference location shaft member
The sum of the radius that shaft part 5-1 is measured on 5 is the maximum limit of size of the staggered two hole center distance in space on workpiece to be checked.It uses
When, make the installation corresponding with the first hole on workpiece to be checked of origin reference location shaft member 5, the positioning shaft part 5-2 in origin reference location shaft member 5 with
The first hole transition fit on workpiece to be checked forms the accurate positioning of origin reference location shaft member 5；In centration axis 3 and workpiece to be checked
The corresponding installation in second hole, the positioning region 3-1 of centration axis 3 is slidably matched with the second hole on workpiece to be checked and the taper pair of upper end
Middle section 3-2 is formed together the accurate positioning of centration axis 3.It respectively corresponds after installing, centration axis 3 can be rotated on workpiece to be checked
The center in two holes of spatial intersecting is away from being detected.When rotation, if the drift 2 in centration axis 3 can be by by origin reference location
The obstruction of shaft part 5-1 is measured on axis 5, the no-go gage 1 in centration axis 3 cannot be by by measurement shaft part 5-1 on origin reference location axis 5
Stop, then on the workpiece to be checked the center in staggered two hole in space away from qualification；If the drift 2 in centration axis 3 cannot pass through, or
No-go gage 1 in person's centration axis 3 can pass through, then on the workpiece to be checked the center in staggered two hole in space away from unqualified.Therefore originally
Detection device can detecte staggered two hole in space on workpiece to be checked center carpenters square cun in practical set, when detection, in device
Origin reference location shaft member 5 and centration axis 3 both as detection instrument, while also as with the first and second hole of workpiece to be checked cooperate
Workpiece, the result of inspection is more acurrate reliable.Origin reference location shaft member 5 in this detection device is structure as a whole, not only processing and
Easy to assembly, there has also been guarantees for the precision of origin reference location shaft member 5.Drift 2 in the present apparatus is structure as a whole with centration axis 3, only
Rule 1 are fixed in centration axis 3 by assembly, and which not only simplifies centration axis 3, the processing technology of drift 2, no-go gage 1, are led to
Rule 2 and the precision of no-go gage 1 are also ensured.When processing, the drift 2 in centration axis 3 can be first finished, no-go gage 1 is carried out
Roughing later fixes no-go gage 1 and the interference fit of centration axis 3, then is finished by the positioning of centration axis 3 to no-go gage 1.
Because 2 elongated end of drift is less than the distance of 1 elongated end of no-go gage to 3 axial line of centration axis, assembly to the distance of 3 axial line of centration axis
It finishes no-go gage 1 again afterwards, the finishing of drift 2 may make not will receive the influence of no-go gage 1, the size of drift 2, no-go gage 1 in this way
High-precision requirement can be met, it is therefore prevented that the generation of error ensure that the accuracy of detection.This detection device it is small in size,
Structure is simple, and the cost of the manufacturing is low, uses and safeguard efficiency that is also easy, while detecting the also short detection of time of needs
Height, can be used for the product testing produced in batches, and the qualification rate of product is also more acurrate.It, can after workpiece to be checked is detected by the present apparatus
Guarantee that the staggered two hole center distance in space avoids the part because being set to two holes in the range of tolerance allows on the workpiece of factory
Between cooperation excessively pine and generate impact during the work time, or cooperation tension and generate movement clamping stagnation the phenomenon that, extend
The service life of workpiece and its Assembly part.
Claims (9)
1. a kind of middle detection device for distance between centers of two of two hole spatial intersectings, including origin reference location shaft member (5), it is characterised in that: the base
Certainly position shaft member (5) be successively arranged from front to back measurement shaft part (5-1), positioning shaft part (5-2), defining flange (5-3) one
Body stepped shaft structure, the measurement shaft part (5-1), positioning shaft part (5-2), defining flange (5-3) are same axial line, described fixed
Position shaft part (5-2) is used to form origin reference location, measurement shaft part (5-1) diameter with the first hole transition fit on workpiece to be checked
Less than positioning shaft part (5-2) for detecting, defining flange (5-3) diameter is greater than positioning shaft part (5-2) and is used to limit, described
The front end of defining flange (5-3) is limit end face (5-3-3), and the limit end face (5-3-3) is perpendicular to axial line；It further include one setting
There is the centration axis (3) of drift (2), drift (2) is located on the shaft part of centration axis (3), and the drift (2) is radial along centration axis (3)
Extend, is integrally machined molding with centration axis (3), the lower end of the drift (2) is the positioning region (3- that centration axis (3) extend downwardly
1), which is used to position with the second hole cooperation on workpiece to be checked, installs a no-go gage (1) on the centration axis (3),
The no-go gage (1) is interference fitted on centration axis (3) by the central through hole being arranged, and the no-go gage (1) is intersected with drift (2),
It is radially extended along centration axis (3), the lower end of the no-go gage (1) is equipped with resigning groove (1-1), keeps drift (2) cooperation recessed in resigning
In slot (1-1), the structure that the lower end surface of no-go gage (1) and drift (2) flushes is formed.
2. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the origin reference location
Grip part is equipped in shaft member (5), centration axis (3), the holding area of origin reference location shaft member (5) is after defining flange (5-3)
End, the holding area of the centration axis (3) is in the upper end of no-go gage (1).
3. the middle detection device for distance between centers of two of two hole according to claim 2 spatial intersecting, it is characterised in that: the grip part
Outer surface is equipped with anti-skidding lines.
4. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the positioning region
The upper section of (3-1) is taper to middle section (3-2), which is greater than second on workpiece to be checked the bigger diameter end of the upper end middle section (3-2)
The aperture in hole.
5. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the defining flange
The limit end face (5-3-3) of (5-3) is equipped with annular resigning groove (5-3-1).
6. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the defining flange
(5-3) is equipped with fixation hole (5-3-2).
7. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the no-go gage (1)
It is circumferentially fixed by a radial peg (4) and centration axis (3).
8. the middle detection device for distance between centers of two of two hole according to claim 1 spatial intersecting, it is characterised in that: the drift (2),
The elongated end of no-go gage (1) is using centration axis (3) axial line as the circular arc in the center of circle, and drift (2) elongated end arc radius compares no-go gage
(1) the small 0.051 ~ 0.0525mm of elongated end arc radius.
9. the middle detection device for distance between centers of two of two hole according to claim 8 spatial intersecting, it is characterised in that: the drift (2)
For the structure radially extended using centration axis (3) axial line as center both ends, the no-go gage (1) is to be with centration axis (3) axial line
The structure that center both ends radially extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108775851A (en) * | 2018-07-18 | 2018-11-09 | 成都华川电装有限责任公司 | The center device for detecting distance of holes spatial intersecting |
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| CN108775851A (en) * | 2018-07-18 | 2018-11-09 | 成都华川电装有限责任公司 | The center device for detecting distance of holes spatial intersecting |
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