CN105841587A - Centering measurement apparatus for measuring center distance of two intersecting holes in intersecting hole system - Google Patents

Centering measurement apparatus for measuring center distance of two intersecting holes in intersecting hole system Download PDF

Info

Publication number
CN105841587A
CN105841587A CN201610181450.4A CN201610181450A CN105841587A CN 105841587 A CN105841587 A CN 105841587A CN 201610181450 A CN201610181450 A CN 201610181450A CN 105841587 A CN105841587 A CN 105841587A
Authority
CN
China
Prior art keywords
centering
hole
holes
cam
centre
Prior art date
Application number
CN201610181450.4A
Other languages
Chinese (zh)
Other versions
CN105841587B (en
Inventor
何孟林
许芳玲
Original Assignee
重庆建设工业(集团)有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆建设工业(集团)有限责任公司 filed Critical 重庆建设工业(集团)有限责任公司
Priority to CN201610181450.4A priority Critical patent/CN105841587B/en
Publication of CN105841587A publication Critical patent/CN105841587A/en
Application granted granted Critical
Publication of CN105841587B publication Critical patent/CN105841587B/en

Links

Classifications

    • 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 means
    • G01B5/14Measuring arrangements characterised by the use of mechanical means for measuring distance or clearance between spaced objects or spaced apertures
    • G01B5/143Measuring arrangements characterised by the use of mechanical means for measuring distance or clearance between spaced objects or spaced apertures between holes on a workpiece

Abstract

The invention discloses a centering measurement apparatus for measuring the center distance of two intersecting holes in an intersecting hole system. The centering measurement apparatus comprises a two-hole positioning and centering device including an elastic centering expanding sleeve, a centering pull bar, a centering pressure bar, an eccentric wheel compacting mechanism and a positioning pin, a variable-pitch cam mechanism including a handle, a servo-actuated eccentric cam, a bearing positioning circular section and a cooperative column, and an auxiliary centering mechanism, wherein the two-hole positioning and centering device is inserted in a first hole system of a part to be measured, the eccentric wheel compacting mechanism is rotated to move the centering pull bar and centering pressure bar and open the elastic centering expanding sleeve to center the first hole system, and the variable-pitch cam mechanism and the auxiliary centering mechanism are inserted in two sides of a second hole system of the part to be measured. The handle is rotated to drive the cam to rotate, so that the rim of the cam is tangent to the excircle of the elastic centering expanding sleeve, and angle scales corresponding to different center distances of the first hole system and the second hole system are radially marked on the end face of the servo-actuated eccentric cam. The actual center distance of the intersecting holes of the part to be measured can be rapidly obtained by observing the angle graduation lines, and rapid and accurate measurement is realized.

Description

A kind of for detecting the centering measuring apparatus of two cross bore centre-to-centre spacing in cross holes
Technical field
The present invention relates to a kind of for detecting the centering measuring apparatus of two cross bore centre-to-centre spacing in cross holes.
Background technology
Holes center distance measurement is bulk important in part, and it is by the machining accuracy of relevant holes, Deviation from circular from affects, and is to calculate meshing gear or the important parameter of turbine and worm gear ratio in product design, The change of processing dimension result in the change of gear ratio, produces torque fluctuations and the fluctuation of transmission efficiency, In assembling, holes centre-to-centre spacing error often leads to engage not in place or assembling difficulty, easily causes looseness or product Abnormal sound and twisting resistance are away from increase, and in all of drive system, centre-to-centre spacing is critical size, in processing Substantially ensure by equipment precision, because it is affected by the relevant machining accuracy of holes own, actual processing The product center completed is away from easily producing fluctuation.The method of quantitative measurement centre-to-centre spacing has multiple, such as three at present Coordinate measurement, holes feeler gauge+slide calliper rule etc., can use the contrasts such as a stopple rule+amesdial for bigger product Metering system, but the diameter of bore to be measured miniature parts aforesaid way less than 50mm is all existed in time Property and the problem of Design of Measuring Tools difficulty, particularly with production scene, it is impossible to quickly obtain holes centre-to-centre spacing real Actual value will have a strong impact on working (machining) efficiency, there is bigger product quality risk.
Detection mode for its centre bore of miniature parts is two straight cylinders plugs by specific dimensions at present Chi, it is judged that whether qualified, which has the advantage of fast qualitative detection, but can not carry out accurate dimension Adjust.
Summary of the invention
For cross holes centre-to-centre spacing in quick accurately detection miniature parts, the invention provides a kind of for The centering measuring apparatus of two cross bore centre-to-centre spacing in detection cross holes, including holes location centring means, Displacement cam mechanism and auxiliary centering mechanism, use this measurement device cross holes centre-to-centre spacing to eliminate or The centre-to-centre spacing size fluctuation caused because of the precision in hole own during weakening detection, rapid feedback is actual measures knot Really, adjust for product processing and quality control provides data supporting.
The present invention is achieved through the following technical solutions:
A kind of for detecting the centering measuring apparatus of two cross bore centre-to-centre spacing in cross holes, fixed including holes Position centring means, floats for two dead eyes fastened to the first hole in part cross holes to be measured Centering, and be delivered to the axis that two dead eyes are centrally formed position on centring means cylindrical, as inspection The fixing end surveyed;
Displacement cam mechanism and auxiliary centering mechanism, for positioning the second hole in part cross holes to be measured System, described displacement cam mechanism and auxiliary centering mechanism are rotatable, as the adjustable side of detection;
Described holes location centring means is by elastic centering expansion set, centering pull bar, centering depression bar, eccentric Hold-down mechanism and alignment pin composition;Described elastic centering expansion set is substantially tubular for being arranged on part to be measured To two dead eye position float centrihs in the first hole system in the first hole system in cross holes, elastic fixed The two ends of distension related to the heart set are had resilient circular arc lobe vertically formed by multiple, and the endoporus of elastic centering expansion set sets Tapered;Sheathed part centering pull bar in the endoporus of described elastic centering expansion set, bottom described centering pull bar Being provided with tapering, centering pull bar can slide in described elastic centering expansion set thus promote under elastic centering expansion set The circular arc lobe of end opens or closes;Described centering depression bar be set in described centering pull bar top and can edge Described centering pull bar slides;The lower end periphery face of centering depression bar is set to type conical bench, and this type conical bench is positioned at In described elastic centering expansion set;Described elastic centering expansion set upper end hole wall be provided with on described centering depression bar The type conical bench hole matched of type conical bench thus form hook structure, centering depression bar draws along described centering The circular arc lobe making elastic centering expansion set upper end during bar slide downward opens, and centering depression bar is along described centering pull bar Described elastic centering expansion set can be synchronized pull-out from part to be measured during upward sliding;Described eccentric wheel load Tight mechanism is made up of the connecting portion of two eccentrics and two eccentrics of connection, the two of eccentric hold-down mechanism Individual eccentric is fixedly connected on the upper end of described centering pull bar, eccentric hold-down mechanism by described alignment pin The upper surface making the cylindrical of said two eccentric act on described centering depression bar can be rotated around described alignment pin Thus promote described centering depression bar slide downward, simultaneously centering pull bar move up, by centering pull bar and On centering depression bar, each the conical surface acts on elastic centering expansion set jointly, makes the circle at the upper and lower two ends of elastic centering expansion set Arc lobe opens, and the circular arc lobe after opening and shaft parts bearing bore to be measured form linear contact lay circle so that it is guaranteed that two bearings Feel relieved in hole;
Described displacement cam mechanism is one-body molded is from left to right followed successively by handle, servo-actuated eccentric cam, bearing Setting circle section and cooperation post;Described servo-actuated eccentric cam is eccentric circular wheel;
Described auxiliary centering mechanism it is set with on cooperation post on described displacement cam mechanism;Described auxiliary centering In a tubular form, the outer peripheral face of auxiliary centering mechanism is provided with ladder in mechanism;
Bearing setting circle section on described displacement cam mechanism is arranged in the system of measurement element crosswise hole to be measured In second hole system top end shaft bearing bore, the miner diameter end of auxiliary centering mechanism outer peripheral face be arranged on measurement parts to be measured Second hole system is positioned by the second hole system bottom dead eye in cross holes;
Handle on the most rotatable described displacement cam mechanism, drives servo-actuated eccentric cam to rotate, Elastic centering expansion set on servo-actuated eccentric cam cylindrical and described holes location centring means can be made by rotating Cylindrical tangent, only on servo-actuated eccentric cam, marking need to include helical starting point, terminal, each angular centre Away from conversion node, according to point of contact angle-determining UUT cross bore centre-to-centre spacing numerical value during measurement.
Further, concentric in order to ensure centering pull bar and elastic centering expansion set, described centering pull bar and elasticity Centering expansion set uses matched in clearance.
Further, concentric in order to ensure centering depression bar and centering pull bar, described centering depression bar and centering pull bar Employing gap is assembled.
Further, the location, two bearings hole positioned in order to ensure displacement cam mechanism and auxiliary centering mechanism Axis is concentric, and described displacement cam mechanism and auxiliary centering mechanism use the assembling of slotted mode match grinding.
Further, the servo-actuated eccentric cam both ends of the surface on described displacement cam mechanism are radially carved with angle line, Angle line is symmetrical about the circle center line connecting of the servo-actuated eccentric cam center of circle and bearing setting circle section, side graduation mark Being used as to measure, opposite side graduation mark is used as verification measurement apparatus.
Further, in order to simplify design, described displacement cam mechanism and auxiliary centering mechanism and part to be measured Cooperation use maximum material principle design.
Beneficial effects of the present invention:
1, use holes location centring means, eliminate the first hole system machining accuracy of two end axles bearing bore own to inspection Survey the impact produced.Holes location centring means have employed elastic expansion sleeve structure, has effectively eliminated first Hole system bearings at both ends hole machined error, and have employed arc contact, any open or closure state with First hole system two end axles bearing bore is all to use linear contact lay, effectively prevent plane tapering and changes the angle brought Change, eliminates systematic error;
2, holes location centring means uses the centering pull bar of off-centre operation mode tension and compression band tapering, location depression bar, Simple in construction, quickly, reliability is high in operation;
3, holes location centring means is bottom the depression bar of location and elastic centering expansion set top design drag hook knot The pulling off device of structure, effectively prevent owing to the first hole is too small, and centering machine cannot be extracted after inserting Situation, it is ensured that using effect;
4, have employed off-centre operation mode in displacement cam mechanism, manufacture difficulty is substantially reduced, can in using Suitably adjusting offset according to practical center hole precision and detection corner, compact conformation, owing to being that rigidity connects Touch, do not affected by rotating torque after rotation process contact, can be swollen with elastic centering according to servo-actuated eccentric cam Set contacting points position combines marking and quickly reads reality at each centre-to-centre spacing correspondence markings point of servo-actuated eccentric cam The centre-to-centre spacing of two cross bore;
5, compared with three-dimensional coordinates measurement, this device is in addition to efficiency height, to using environment without particular/special requirement, energy Enough meeting production scene or erecting yard packet uses, testing result is credible, and service efficiency is higher than more traditional Logical only mode;
6, the expandability of the present invention is strong, is not affected by crossing hole system angle, can according to different accuracy Realize with the bearing different offset of setting circle section by designing servo-actuated eccentric cam.
Accompanying drawing explanation
Fig. 1 is holes location centring means axonometric drawing in the embodiment of the present invention;
Fig. 2 is Fig. 1 sectional view;
Fig. 3 is displacement cam mechanism and auxiliary centering structural scheme of mechanism in the embodiment of the present invention;
Fig. 4 is displacement cam mechanism angle groove schematic diagram in the embodiment of the present invention;
The centering measuring apparatus of the detection cross holes centre-to-centre spacing that Fig. 5 a provides for the embodiment of the present invention and detection The assembling schematic diagram of part;
The centering measuring apparatus of the detection cross holes centre-to-centre spacing that Fig. 5 b provides for the embodiment of the present invention and detection The decomposing schematic representation of part;
The centering measuring apparatus of the detection cross holes centre-to-centre spacing that Fig. 5 c provides for the embodiment of the present invention and detection The decomposing schematic representation of part;
Fig. 5 d is arranged on for the centering measuring apparatus of the detection cross holes centre-to-centre spacing that the embodiment of the present invention provides Axonometric drawing on detection part;
Fig. 5 e is arranged on for the centering measuring apparatus of the detection cross holes centre-to-centre spacing that the embodiment of the present invention provides Schematic diagram on detection part;
Fig. 6 is that in the embodiment of the present invention, centre-to-centre spacing calculates schematic diagram.
Reference
1-holes location centring means;11-elastic centering expansion set;12-feels relieved pull bar; 13-feels relieved depression bar;131-type conical bench;14-eccentric hold-down mechanism;15-alignment pin; 2-displacement cam mechanism;21-handle;The servo-actuated eccentric cam of 22-;221-angle line; 23-bearing setting circle section;24-coordinates post;3-auxiliary centering mechanism;4-part to be measured; 41-the first hole is;42-the second hole is.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 5 a-Fig. 5 e, a kind of centering for detecting two cross bore centre-to-centre spacing in cross holes is surveyed Amount device, positions centring means 1 including holes, for the first hole system in part 4 cross holes to be measured Two dead eyes on 41 carry out float centrih, and are delivered to the axis that two dead eyes are centrally formed determine On the cylindrical of distension related to the heart set, as the fixing end of detection.
Displacement cam mechanism 2 and auxiliary centering mechanism 3, for positioning the in part 4 cross holes to be measured Two holes are 42, and described displacement cam mechanism 2 and auxiliary centering mechanism 3 are rotatable, as the regulation of detection End.
As depicted in figs. 1 and 2, described holes location centring means 1 is by elastic centering expansion set 11, centering Pull bar 12, centering depression bar 13, eccentric hold-down mechanism 14 and alignment pin 15 form.Described elastic centering Expansion set 11 is substantially tubular in the first hole system for being arranged in part cross holes to be measured the first hole system In two dead eye position float centrihs.The two ends of elastic centering expansion set 11 are had bullet vertically by multiple Property circular arc lobe composition, the endoporus of elastic centering expansion set 11 is provided with tapering.Described elastic centering expansion set 11 Endoporus in sheathed part centering pull bar 12, be provided with tapering bottom described centering pull bar 12, pull bar of feeling relieved 12 can slide in described elastic centering expansion set 11 thus promote the circular arc lobe of elastic centering expansion set 11 lower end Opening or close, described centering pull bar 12 and elastic centering expansion set 11 use matched in clearance, it is ensured that with The heart.Described centering depression bar 13 be set in described centering pull bar 12 top and can be along described centering pull bar 12 Sliding, centering depression bar 13 and centering pull bar 12 use matched in clearance, it is ensured that with one heart.Centering depression bar 13 Lower end periphery face is set to type conical bench 131, and this type conical bench 131 is positioned at described elastic centering expansion set 11. Described elastic centering expansion set 11 upper end hole wall is provided with and matches with the type conical bench 131 on described centering depression bar The type conical bench hole closed thus form hook structure, centering depression bar 13 along described centering pull bar 12 to downslide The circular arc lobe making elastic centering expansion set 11 upper end time dynamic opens, and centering depression bar 13 is along described centering pull bar 12 Described elastic centering expansion set 11 can be synchronized pull-out from part to be measured during upward sliding.Described eccentric Hold-down mechanism 14 is made up of the connecting portion of two eccentrics and two eccentrics of connection, eccentric hold-down mechanism Two eccentrics of 14 are fixedly connected on the upper end of described centering pull bar 12 by described alignment pin 15.Partially Heart wheel hold-down mechanism 14 can rotate around described alignment pin 15 and make the cylindrical of said two eccentric act on institute State the upper surface of centering depression bar 13 thus promote described centering depression bar 13 slide downward, pull bar of simultaneously feeling relieved 12 move up, and jointly act on elastic centering by the respective conical surface on centering pull bar 12 and centering depression bar 13 Expansion set 11, makes the circular arc lobe at elastic centering expansion set about 11 two ends open, and the circular arc lobe after opening is with to be measured Shaft parts bearing bore forms linear contact lay circle so that it is guaranteed that the centering of two bearings hole, and eliminate because of hole in piece part to be measured is straight The impact on measurement result of the footpath error.
As it is shown on figure 3, described displacement cam mechanism 2 one-body molded be from left to right followed successively by handle 21, with Dynamic eccentric cam 22, bearing setting circle section 23 and cooperation post 24.Described servo-actuated eccentric cam 22 is eccentric Circular wheel.Servo-actuated eccentric cam 22 both ends of the surface on described displacement cam mechanism are radially carved with angle line 221, angle line 221 is about servo-actuated eccentric cam 22 center of circle and the circle center line connecting pair of bearing setting circle section 23 Claim.
Described auxiliary centering mechanism 3 it is set with on cooperation post 24 on described displacement cam mechanism.Described displacement Cam mechanism 2 and auxiliary centering mechanism 3 use slotted mode match grinding to assemble, it is ensured that the two bearings positioned Hole orientation axis is with one heart and displacement cam mechanism smooth rotation.Described auxiliary centering mechanism 3 in a tubular form, The outer peripheral face of auxiliary centering mechanism 3 is provided with ladder.
As shown in Fig. 5 a-Fig. 5 e, the bearing setting circle section 23 on described displacement cam mechanism is arranged on to be measured Measure the second hole in parts 4 cross holes be in 42 top end shaft bearing bore, auxiliary centering mechanism 3 outer peripheral face Miner diameter end the second hole of being arranged in measurement parts 4 cross holes to be measured be in 42 bottom dead eyes Two hole systems position.
Handle 21 on the most rotatable described displacement cam mechanism, drives servo-actuated eccentric cam 22 turns Dynamic, elasticity on servo-actuated eccentric cam 22 cylindrical and described holes location centring means can be made fixed by rotating The middle part cylindrical of distension related to the heart set 11 is tangent, only need on servo-actuated eccentric cam 22 marking include helical starting point, According to point of contact angle, terminal, each angular centre, away from conversion node, can determine that UUT intersects during measurement Hole centre-to-centre spacing numerical value.By arranging the servo-actuated rational cam helical of eccentric cam 22, servo-actuated partially by calculating Each nodes in the middle of cardiac prominence wheel 22 and the contact point position of centering expansion set cylindrical, can be in quantitative measurement part The heart away from.Angle can be radially carved with by calculating servo-actuated eccentric cam 22 both ends of the surface on displacement cam mechanism Degree line 221, by observing the centre-to-centre spacing that can quickly learn reality.The most servo-actuated eccentric cam 22 Offset can be controlled in the 50%-75% of actual holes center distance tolerance absolute value, to guarantee in casing to be measured The heart away from reliable measurements, make full use of the attaching space of servo-actuated eccentric cam 0 ° to ± 180 °.
In order to simplify design, described displacement cam mechanism 2 and auxiliary centering mechanism 3 join with part to be measured Close and use maximum material principle design, thus the processing receiving tight part to be measured second hole system is gone on business.
Such as, holes centre-to-centre spacing isThe mid diameter Φ d of elastic centering expansion set 11 is a size of During 26.000mm, the axle center of servo-actuated eccentric cam 22 with displacement cam mechanism 2 can be offset 0.1mm, The function of centre-to-centre spacing C that on the most servo-actuated eccentric cam 22, each point is corresponding and angle [alpha] can be according to the cosine law (OC2=OA2+AC2-2OA × AC × cos) solve, if Fig. 6, OA are servo-actuated eccentric cam 22 Offset, AB be servo-actuated eccentric cam 22 radius (Φ D is the diameter of servo-actuated eccentric cam 22, this Φ D=55.600mm in embodiment), BC be centering expansion set 11 exradius (Φ d be centering expansion set 11 Outside diameter, Φ d=13.000mm in the present embodiment), for the angle of OA Yu AC, OC is reality Border centre-to-centre spacing.
Bring above-mentioned data into, when α value is 0~180 °, corresponding centre-to-centre spacing be 40.70mm~ 40.90mm, according to calculating, has shown that angle corresponding to each centre-to-centre spacing is as shown in the table:
To sum up, can be with servo-actuated eccentric cam 22 center of circle and bearing setting circle section on servo-actuated eccentric cam 22 The circle center line connecting of 23 is 0 °, as shown in Figure 4, carves the angle of calculating 0 ° to ± 180 ° lateral symmetry, By observing servo-actuated eccentric cam 22 and the points of tangency position of elastic centering expansion set 11 cylindrical, can be quickly Learn the centre-to-centre spacing that part cross bore to be measured is actual.Angle is carved by symmetry on servo-actuated eccentric cam 22 Line, can be using side scale as measuring use in actual measurement, and opposite side is used as verification.Set by such Meter, in actual use, use the present invention measurement apparatus periodically use on same part with The both sides of dynamic eccentric cam 22 are detected respectively, and observation testing result is the most identical, can quickly carry out Measurement apparatus reliability demonstration, in actual applications according to the actual diameter of measurement apparatus verification, after calculating Taking the bound that rational angle is measurer, angle corresponding to each centre-to-centre spacing of labelling can realize quickly surveying Amount.

Claims (6)

1., for detecting a centering measuring apparatus for two cross bore centre-to-centre spacing in cross holes, its feature exists In: include holes location centring means (1), for fasten to the first hole in part cross holes to be measured Two dead eyes carry out float centrih, and the axis that two dead eyes are centrally formed is delivered to location centering On device cylindrical, as the fixing end of detection;
Displacement cam mechanism (2) and auxiliary centering mechanism (3), be used for positioning in part cross holes to be measured The second hole system, described displacement cam mechanism (2) and auxiliary centering mechanism (3) rotatably, as inspection The adjustable side surveyed;
Described holes location centring means (1) is by elastic centering expansion set (11), centering pull bar (12), fixed Heart depression bar (13), eccentric hold-down mechanism (14) and alignment pin (15) composition;Described elastic centering is swollen Set (11) is substantially tubular in the first hole system for being arranged in part cross holes to be measured the first hole Two dead eye position float centrihs in system, the two ends of elastic centering expansion set (11) by multiple vertically Having resilient circular arc lobe composition, the endoporus of elastic centering expansion set (11) is provided with tapering;Described elasticity is fixed Sheathed part centering pull bar (12) in the endoporus of distension related to the heart set (11), described centering pull bar (12) bottom sets Tapered, centering pull bar (12) can be slided in described elastic centering expansion set (11) thus be promoted elasticity The circular arc lobe of centering expansion set (11) lower end opens or closes;Described centering depression bar (13) is set in institute State the top of centering pull bar (12) and can slide along described centering pull bar (12);Centering depression bar (13) Lower end periphery face be set to type conical bench (131), it is swollen that this type conical bench (131) is positioned at described elastic centering In set (11);Described elastic centering expansion set (11) upper end hole wall be provided with on described centering depression bar Type conical bench hole that type conical bench (131) matches thus form hook structure, depression bar (13) edge of feeling relieved The circular arc lobe of elastic centering expansion set (11) upper end is made to open during described centering pull bar (12) slide downward, Centering depression bar (13) is along can be described elastic centering expansion set during described centering pull bar (12) upward sliding (11) from tested part, pull-out is synchronized;Described eccentric hold-down mechanism (14) by two eccentrics and Connecting the connecting portion composition of two eccentrics, two eccentrics of eccentric hold-down mechanism (14) pass through institute State alignment pin (15) and be fixedly connected on the upper end of described centering pull bar (12), eccentric hold-down mechanism (14) Can rotate around described alignment pin (15) makes the cylindrical of said two eccentric act on described centering depression bar (13) Upper surface thus promote described centering depression bar (13) slide downward, feel relieved pull bar (12) upwards simultaneously Mobile, jointly act on elastic centering by the upper respective conical surface of centering pull bar (12) and centering depression bar (13) Expansion set (11), makes the circular arc lobe at elastic centering expansion set (11) two ends up and down open, the circular arc lobe after opening Linear contact lay circle is formed so that it is guaranteed that feel relieved in two bearings hole with shaft parts bearing bore to be measured;
Described displacement cam mechanism (2) is one-body molded is from left to right followed successively by handle (21), servo-actuated bias Cam (22), bearing setting circle section (23) and cooperation post (24);Described servo-actuated eccentric cam (22) For eccentric circular wheel;
Cooperation post (24) on described displacement cam mechanism is upper is set with described auxiliary centering mechanism (3);Institute Stating auxiliary centering mechanism (3) in a tubular form, the outer peripheral face of auxiliary centering mechanism (3) is provided with ladder;
Bearing setting circle section (23) on described displacement cam mechanism is arranged on measurement element crosswise hole to be measured In the second hole system top end shaft bearing bore in system, the miner diameter end of auxiliary centering mechanism (3) outer peripheral face is arranged on and treats Measure in the second hole system bottom dead eye in the system of element crosswise hole and the second hole system is positioned;
Handle (21) on the most rotatable described displacement cam mechanism, drives servo-actuated eccentric cam (22) rotate, servo-actuated eccentric cam (22) cylindrical and the centering of described holes location can be made by rotating On device, the cylindrical of elastic centering expansion set (11) is tangent, only need to be in the upper marking of servo-actuated eccentric cam (22) Including helical starting point, terminal, each angular centre away from conversion node, treat according to point of contact angle-determining during measurement Survey element crosswise hole centre-to-centre spacing numerical value.
The most according to claim 1 a kind of for detecting determining of two cross bore centre-to-centre spacing in cross holes Heart measurement apparatus, it is characterised in that: described centering pull bar (12) and elastic centering expansion set (11) use Matched in clearance, it is ensured that with one heart.
The most according to claim 1 a kind of for detecting determining of two cross bore centre-to-centre spacing in cross holes Heart measurement apparatus, it is characterised in that: described centering depression bar (13) and centering pull bar (12) use gap Coordinate.
The most according to claim 1 a kind of for detecting determining of two cross bore centre-to-centre spacing in cross holes Heart measurement apparatus, it is characterised in that: described displacement cam mechanism (2) and auxiliary centering mechanism (3) adopt Assemble with slotted mode match grinding.
The most according to claim 1 a kind of for detecting determining of two cross bore centre-to-centre spacing in cross holes Heart measurement apparatus, it is characterised in that: servo-actuated eccentric cam (22) two ends on described displacement cam mechanism Angle line (221) is radially carved with in face, angle line (221) about servo-actuated eccentric cam (22) center of circle and The circle center line connecting of bearing setting circle section (23) is symmetrical.
The most according to claim 1 a kind of for detecting determining of two cross bore centre-to-centre spacing in cross holes Heart measurement apparatus, it is characterised in that: described displacement cam mechanism (2) and auxiliary centering mechanism (3) with The cooperation of part to be measured uses maximum material principle design.
CN201610181450.4A 2016-03-28 2016-03-28 A kind of centering measuring apparatus for being used to detect two cross bore centre-to-centre spacing in cross holes CN105841587B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610181450.4A CN105841587B (en) 2016-03-28 2016-03-28 A kind of centering measuring apparatus for being used to detect two cross bore centre-to-centre spacing in cross holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610181450.4A CN105841587B (en) 2016-03-28 2016-03-28 A kind of centering measuring apparatus for being used to detect two cross bore centre-to-centre spacing in cross holes

Publications (2)

Publication Number Publication Date
CN105841587A true CN105841587A (en) 2016-08-10
CN105841587B CN105841587B (en) 2018-06-26

Family

ID=56583632

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610181450.4A CN105841587B (en) 2016-03-28 2016-03-28 A kind of centering measuring apparatus for being used to detect two cross bore centre-to-centre spacing in cross holes

Country Status (1)

Country Link
CN (1) CN105841587B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500575A (en) * 2016-11-29 2017-03-15 四川凌峰航空液压机械有限公司 The detection method and its detection means of two antarafacial axis hole central axis upright degree
CN109000544A (en) * 2018-07-17 2018-12-14 江苏理工学院 A kind of hole heart in the hole that intersects vertically is away from measuring device
CN110125834A (en) * 2019-05-16 2019-08-16 沈阳飞机工业(集团)有限公司 A kind of fixture for examining cross bore pitch-row
CN111174661A (en) * 2020-01-21 2020-05-19 江苏理工学院 Hole center distance measuring device for vertically intersected holes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201440064U (en) * 2009-07-31 2010-04-21 宁波优耐特模具有限公司 Measuring device for measuring space between two holes
CN102967235A (en) * 2012-11-18 2013-03-13 无锡麦铁精密机械制造有限公司 Device for detecting distance among crossed pits
CN203572403U (en) * 2013-11-07 2014-04-30 扬州锻压机床股份有限公司 Device for detecting center distance between sliding block worm wheel hole and worm hole
DE102012220065A1 (en) * 2012-11-05 2014-06-12 Bayerische Motoren Werke Aktiengesellschaft Device for measuring gear i.e. spur gear, of gear box for vehicle, has eccentric cam rotated for adjusting center distance of master gear and gear, and pivot bearing arranged between eccentric cam and master gear and/or between cam and gear

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201440064U (en) * 2009-07-31 2010-04-21 宁波优耐特模具有限公司 Measuring device for measuring space between two holes
DE102012220065A1 (en) * 2012-11-05 2014-06-12 Bayerische Motoren Werke Aktiengesellschaft Device for measuring gear i.e. spur gear, of gear box for vehicle, has eccentric cam rotated for adjusting center distance of master gear and gear, and pivot bearing arranged between eccentric cam and master gear and/or between cam and gear
CN102967235A (en) * 2012-11-18 2013-03-13 无锡麦铁精密机械制造有限公司 Device for detecting distance among crossed pits
CN203572403U (en) * 2013-11-07 2014-04-30 扬州锻压机床股份有限公司 Device for detecting center distance between sliding block worm wheel hole and worm hole

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500575A (en) * 2016-11-29 2017-03-15 四川凌峰航空液压机械有限公司 The detection method and its detection means of two antarafacial axis hole central axis upright degree
CN109000544A (en) * 2018-07-17 2018-12-14 江苏理工学院 A kind of hole heart in the hole that intersects vertically is away from measuring device
CN110125834A (en) * 2019-05-16 2019-08-16 沈阳飞机工业(集团)有限公司 A kind of fixture for examining cross bore pitch-row
CN111174661A (en) * 2020-01-21 2020-05-19 江苏理工学院 Hole center distance measuring device for vertically intersected holes

Also Published As

Publication number Publication date
CN105841587B (en) 2018-06-26

Similar Documents

Publication Publication Date Title
CN101539413B (en) Method for calibrating the geometry of a multi-axis metrology system
CN105203005B (en) A kind of cylindrical part outline form and position tolerance measuring instrument
CN100365384C (en) Measuring device for inner-rim large-flange spherical radius of taper roll bearing and measuring method
CN103615998B (en) Gear measuring center clamping workpiece tilts to be measured and compensation method with eccentric error
CN101788282B (en) Aligning and leveling worktable for measuring cylindricity of slewing type workpiece
CN101393004A (en) Special caliper for shaft key groove
CN103591913A (en) Method for calibrating comprehensive errors of five-coordinate measuring machine
CN104197830B (en) Method and system for correcting optical test fixture
CN106289145B (en) A kind of cylindricity On-machine Test method
CN102430779B (en) Device for measuring normal vector at arbitrary point on free-form surface and measuring method thereof
CN203364737U (en) An apparatus for measuring the circularity of the inner/outer surface of a large/medium-sized bearing ring
KR101229717B1 (en) 3-Dimensional Displacement Measuring Device
CN102303266B (en) Special protractor for taper hole
CN102175207B (en) High-accuracy roundness detection method based on combination of reverse and multi-sensor methods
CN103292700B (en) Space general position and orientation measurement standard of machine vision measurement system
CN105890499A (en) Hole depth inspection tool
CN103335579B (en) The cone position gauge of accurate measurement big end diameter error of taper hole
CN103486941A (en) Casing pipe end sealing face inner diameter measuring device
CN105865374B (en) A kind of measuring method of cylindrical roller radius of curvature
CN102607400B (en) Precision spherical hinge clearance-measuring instrument and measurement method
CN101221031A (en) Novel high-precision sphere multi-parameter measurer and its precision regulation method
CN206248016U (en) A kind of rotating shaft angle measurement unit
CN105258623A (en) Special-purpose tool for measuring coaxiality of inner bore and using method thereof
CN105424981B (en) Wide-range acceleration transducer Fast Calibration testing stand
CN103615957A (en) Measuring tool for measuring size of D-shaped head

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant