CN108151625A - A kind of internal taper hole conicity measurement mechanism and its measuring method - Google Patents

A kind of internal taper hole conicity measurement mechanism and its measuring method Download PDF

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Publication number
CN108151625A
CN108151625A CN201711284585.4A CN201711284585A CN108151625A CN 108151625 A CN108151625 A CN 108151625A CN 201711284585 A CN201711284585 A CN 201711284585A CN 108151625 A CN108151625 A CN 108151625A
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CN
China
Prior art keywords
measuring
sleeve
taper hole
diameter
taper
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201711284585.4A
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Chinese (zh)
Inventor
孙奇
闻学震
王海柱
张健铸
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Shenyang Aerospace Xinguang Group Co Ltd
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Shenyang Aerospace Xinguang Group Co Ltd
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.)
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Publication date
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Priority to CN201711284585.4A priority Critical patent/CN108151625A/en
Publication of CN108151625A publication Critical patent/CN108151625A/en
Pending legal-status Critical Current

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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
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/241—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for measuring conicity

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The present invention relates to a kind of internal taper hole conicity measurement mechanism and measuring method, the bottom end setting pedestal of measuring set of cylinder, the top setting scale sets of measuring set of cylinder；The top of scale set is equipped with microdrum and ratchet carriage successively；The inside of measuring set of cylinder is provided with conical head micrometric screw, connect with ratchet carriage with conical head micrometric screw top and is connected with microdrum；Base interior is equipped with guide slot, is equipped with measuring claw in guide slot, the outer end of measuring claw is connected with bulb, and the conical head with conical head micrometric screw is touched with two measuring claws；Present invention is mainly applied to the internal taper hole taper measurement on sleeve, the measuring device can fast, accurately be measured in production scene, and it can offer convenience to setting for machine, taper measurement can be carried out at any time, taper dimension overproof is avoided to cause product unqualified.

Description

A kind of internal taper hole conicity measurement mechanism and its measuring method
Technical field
The present invention relates to a kind of internal taper hole conicity measurement mechanism and its measuring methods, are particularly suitable for interior in measuring set of cylinder Taper hole taper.
Background technology
At present, the sleeve as shown in Fig. 5 a, 5b, the measuring method that the taper of internal taper hole generally uses be to measured piece into Row cutting carries out taper measurement using shadow casting technique to cutting part.But the method measures work complexity, and it is of high cost, be not suitable for It is measured in plant site, reduces working efficiency.Existing taper hole conicity measurement mechanism also can not inner cone directly in measuring set of cylinder The taper in hole.
Invention content
The present invention for the above-mentioned prior art the problem of, a kind of internal taper hole conicity measurement mechanism is provided, is solved The problem of taper measurement of internal taper hole is difficult on prior art middle sleeve.
Another object of the present invention is to provide a kind of measuring method of internal taper hole conicity measurement mechanism.
Technical scheme is as follows：
A kind of internal taper hole conicity measurement mechanism, the bottom end setting pedestal of measuring set of cylinder, the top setting scale of measuring set of cylinder Set, measuring set of cylinder, pedestal, scale set three are an integral structure；The top of the scale set is equipped with microdrum and ratchet successively Sleeve；The inside of the measuring set of cylinder is provided with conical head micrometric screw, and the top with conical head micrometric screw passes through Screw thread is connect with measuring set of cylinder, is connect with conical head micrometric screw top with ratchet carriage, with conical head micrometric screw with Microdrum is connected；The base interior both sides are respectively equipped with guide slot, and measuring claw is separately installed in two guide slots, The outer end of the measuring claw is connected with bulb, and the inner face of measuring claw is inclined surface, and two measuring claws are symmetrical arranged, two surveys The bottom end of measuring jaw inclined surface offsets；The inclined surface of conical head and two measuring claws with conical head micrometric screw touches；It is described Pedestal top be equipped with reading window, reading window cover be mounted in measuring set of cylinder outside.
It is threadedly coupled between the bulb and measuring claw.
Installation spring in the guide slot, spring pocket is on measuring claw.
The outer surface of the measuring set of cylinder and reading window is both provided with scale, and measuring set of cylinder passes through lock with reading window Tight nut, which is adjusted, to be fixed.
The measuring method of the present invention includes the following steps：
Step 1, according to bulb and the tangent principle of internal taper hole, a diameter of d is selected1Bulb connect with measuring claw, it is straight by two Diameter is d1Bulb it is tangent with tested sleeve lining respectively, record microdrum on numerical value H1；
Step 2, by two a diameter of d1Bulb it is tangent with the internal taper hole on tested sleeve respectively, record microdrum on Numerical value H2；
Step 3, by two a diameter of d1Bulb change two a diameter of d into2Bulb connect with measuring claw, then by two A a diameter of d2Bulb it is tangent with the inner wall of tested sleeve respectively, record microdrum on numerical value H3；
Step 4, by two a diameter of d2Bulb it is tangent with the internal taper hole on tested sleeve respectively, record microdrum on Numerical value H4；
Step 5, bulb distance change is calculated by Pythagorean theorem
So as to obtain
It is calculated by mathematical formulae
So as to acquire taper
Advantages of the present invention effect is as follows：
Be mainly used in the internal taper hole taper measurement on sleeve, the measuring device can be carried out in production scene it is quick, It is accurate to measure, and can offer convenience to setting for machine, taper measurement can be carried out at any time, and taper dimension overproof is avoided to lead Cause product unqualified.
Description of the drawings
Figure below combines implementation figure, and the invention will be further described：
Fig. 1 is the external structure schematic diagram of internal taper hole conicity measurement mechanism of the present invention.
Fig. 2 is the schematic cross-sectional view of internal taper hole conicity measurement mechanism of the present invention.
Conical head partial schematic diagram when Fig. 3 is measured for the present invention.
Fig. 4 is to be tested sleeve internal taper hole in measuring method of the present invention to calculate schematic diagram.
Fig. 5 a, 5b are the structure diagram of tested sleeve.
In figure：1st, bulb, 2, measuring claw, 3, pedestal, 4, reading window, 5, locking nut, 6, measuring set of cylinder, 7, scale Set, 8, microdrum, 9, ratchet carriage, 10, spring, 11, with conical head micrometric screw, 12, guide slot.
Specific embodiment
Embodiment
As shown in Figure 1, 2, a kind of internal taper hole conicity measurement mechanism, the bottom end setting pedestal 3 of measuring set of cylinder 6, measuring set of cylinder 6 Top setting scale cover 7, measuring set of cylinder 6, pedestal 3, scale cover 7 threes be an integral structure；The top of scale set according to It is secondary to be equipped with microdrum 8 and ratchet carriage 9；The inside of the measuring set of cylinder 6 is provided with conical head micrometric screw 11, with cone The top of forming head micrometric screw 11 is connect by screw thread with measuring set of cylinder, with 11 top of conical head micrometric screw and ratchet carriage 9 are connected by screw, and are connected with conical head micrometric screw 1 with microdrum 8；The 3 inside both sides of pedestal are set respectively There is guide slot 12, two guide slots are symmetrical arranged, and measuring claw 2 is separately installed in two guide slots 12, and measuring claw 2 is promoted with moving back Go out along 12 inner wall of guide slot and move, spring 10 is set on measuring claw 2, measuring claw 2 is made to ensure that bulb contact is reliable when measuring, The outer end of the measuring claw has been connected through a screw thread bulb 1, and the inner face of measuring claw 2 is inclined surface, and two measuring claws are symmetrical Setting, the bottom end of two measuring claw inclined surface offsets；Conical head with conical head micrometric screw 11 inclines with two measuring claws 2 Inclined-plane touches, and can adjust measuring claw 2 and be moved in parallel in guide slot 12；The top of the pedestal is equipped with reading window 4, reads Number window 4 is sleeved on the outside of measuring set of cylinder 6, and measuring set of cylinder 6 and the outer surface of reading window 4 are both provided with scale, measuring unit Cylinder 6 is adjusted by locking nut 5 with reading window 4 and fixed, and when measuring, reading window 4 and measuring set of cylinder 6 have quarter above Degree, the two composition vernier depth gauge, can measure change in location of the measuring set of cylinder 6 with respect to reading window 4, so as to measure The depth of measured piece internal taper hole.
The measuring method of the present invention includes the following steps, step 1, according to bulb and the tangent principle of internal taper hole, selects a diameter of d1Bulb connect with measuring claw, by two a diameter of d1Bulb it is tangent with tested sleeve lining respectively, record microdrum (8) On numerical value H1；
Step 2, by two a diameter of d1Bulb it is tangent with the internal taper hole on tested sleeve respectively, record microdrum (8) On numerical value H2；
Step 3, by two a diameter of d1Bulb change two a diameter of d into2Bulb connect with measuring claw, then by two A a diameter of d2Bulb it is tangent with the inner wall of tested sleeve respectively, the numerical value H on record microdrum (8)3；
Step 4, by two a diameter of d2Bulb it is tangent with the internal taper hole on tested sleeve respectively, record microdrum (8) On numerical value H4；
Step 5, bulb distance change is calculated by Pythagorean theorem in conical head according to fig. 3
So as to obtain
It is calculated according to Fig. 4 by mathematical formulae
So as to acquire taper
Finally obtaining taper is
Below on a tested sleeve divide equally four internal taper hole measured piece taper β=60 °, conical head angle [alpha]=30 °, d1=10mm, d2The measuring method of the present invention is verified for=12mm.H is measured using this measuring device1=2mm, H2= 4.41mm H3=1mm, H4=3.14mm.β=60 ° are calculated.
Conical head is calculated bulb horizontal direction distance by Pythagorean theorem and changes L according to fig. 3, and L refers to bulb The distance of measuring claw horizontal direction.Diameter d1Bulb mutually switches to diameter d with tested sleeve internal taper hole1Bulb and tested sleeve lining Distance change when tangent is exactly L1, diameter d2Bulb mutually switches to diameter d with tested sleeve internal taper hole2In bulb and tested sleeve Distance change when wall is tangent is exactly L2。
H refers to the downward distance of conical head micrometric screw, is bulb with being recorded when internal taper hole is tangent on tested sleeve Numerical value H on microdrum 82、H3With numerical value H when inner wall is tangent on bulb and tested sleeve on record microdrum 81、H4Difference.

Claims (5)

1.一种内锥孔锥度测量装置，其特征在于测量套筒(6)的底端设置基座，测量套筒(6)的顶端设置刻度套，测量套筒(6)、基座(3)、刻度套(7)三者为一体式结构；所述刻度套的顶端依次设有微分筒(8)和棘轮套筒(9)；所述的测量套筒(6)的内部设置带有锥形头测微螺杆(11)，带有锥形头测微螺杆(11)的上部通过螺纹与测量套筒连接，带有锥形头测微螺杆(11)顶端与棘轮套筒(9)连接，带有锥形头测微螺杆(11)与微分筒(8)连成一体；所述的基座(3)内部两侧分别设有定向槽(12)，两个定向槽(12)中分别安装有测量爪(2)，所述的测量爪的外端连接有球头，测量爪的内端面为倾斜面，两个测量爪对称设置，两个测量爪倾斜面的底端相抵；带有锥形头测微螺杆(11)的锥形头与两个测量爪(2)的倾斜面相触；所述的基座的上方设有读数窗口(4)，读数窗口(4)套装在测量套筒(6)的外部。1. A kind of inner taper hole taper measuring device, it is characterized in that the bottom end of measuring sleeve (6) is provided with base, the top of measuring sleeve (6) is provided with scale cover, measuring sleeve (6), base (3 ), the scale sleeve (7) three integrated structure; the top of the scale sleeve is provided with a differential tube (8) and a ratchet sleeve (9) in turn; the inside of the measurement sleeve (6) is provided with Conical head micrometer screw (11), the upper part of the conical head micrometer screw (11) is connected to the measuring sleeve through threads, and the top end of the conical head micrometer screw (11) is connected to the ratchet sleeve (9) connection, the micrometer screw (11) with a conical head is integrated with the micrometer cylinder (8); the two sides of the base (3) are respectively provided with directional grooves (12), and two directional grooves (12) Measuring claws (2) are respectively installed in the middle, the outer ends of the measuring claws are connected with ball heads, the inner end faces of the measuring claws are inclined surfaces, the two measuring claws are arranged symmetrically, and the bottom ends of the inclined surfaces of the two measuring claws are offset; The tapered head of the micrometer screw (11) with a tapered head is in contact with the inclined surfaces of the two measuring claws (2); a reading window (4) is provided above the base, and the reading window (4) is set on the Measure the outside of the sleeve (6). 2.根据权利要求1所述的一种内锥孔锥度测量装置，其特征在于所述的球头(1)与测量爪(2)之间螺纹连接。2. A device for measuring the taper of an inner taper hole according to claim 1, characterized in that the ball head (1) and the measuring claw (2) are threadedly connected. 3.根据权利要求1所述的一种内锥孔锥度测量装置，其特征在于所述的定向槽(12)内安装弹簧(10)，弹簧(10)套装在测量爪(2)上。3. A device for measuring the taper of an inner taper hole according to claim 1, characterized in that a spring (10) is installed in the orientation groove (12), and the spring (10) is sleeved on the measuring claw (2). 4.根据权利要求1所述的一种内锥孔锥度测量装置，其特征在于所述的测量套筒(6)与读数窗口(4)的外表面均设置有刻度，测量套筒(6)与读数窗口(4)通过锁紧螺母(5)调节固定。4. A kind of inner taper hole taper measuring device according to claim 1, characterized in that the outer surface of the measuring sleeve (6) and the reading window (4) are provided with scales, the measuring sleeve (6) It is adjusted and fixed with the reading window (4) by the lock nut (5). 5.根据权利要求1所述的一种内锥孔锥度测量装置的测量方法，其特征在于包括下述步骤：5. the measuring method of a kind of inner taper hole taper measuring device according to claim 1, is characterized in that comprising the following steps: 步骤1，根据球头与内锥孔相切原理，选直径为d1的球头与测量爪连接，将两个直径为d1的球头分别与被测套筒内壁相切，记录微分筒(8)上的数值H1；Step 1. According to the principle of tangency between the ball head and the inner taper hole, select a ball head with a diameter of d 1 to connect with the measuring claw, and connect the two ball heads with a diameter of d 1 to the inner wall of the measured sleeve respectively, and record the differential cylinder Numerical value H 1 on (8); 步骤2，将两个直径为d1的球头分别与被测套筒上的内锥孔相切，记录微分筒(8)上的数值H2；Step 2, two ball heads with a diameter of d1 are respectively tangent to the inner tapered hole on the tested sleeve, and the value H2 on the differential cylinder (8) is recorded; 步骤3，将两个直径为d1的球头换成两个直径为d2的球头与测量爪连接，然后将两个直径为d2的球头分别与被测套筒的内壁相切，记录微分筒(8)上的数值H3；Step 3, replace the two ball heads with diameter d1 with two ball heads with diameter d2 to connect with the measuring jaws, and then connect the two ball heads with diameter d2 to the inner wall of the measured sleeve respectively , record the value H 3 on the microtube (8); 步骤4，将两个直径为d2的球头分别与被测套筒上的内锥孔相切，记录微分筒(8)上的数值H4；Step 4, two ball heads with a diameter of d2 are respectively tangent to the inner tapered hole on the tested sleeve, and the value H4 on the differential tube (8) is recorded; 步骤5，通过勾股定理计算得出球头距离变化Step 5, calculate the distance change of the ball head through the Pythagorean theorem 从而得到 thus get 通过数学公式计算得出Calculated by mathematical formula 从而求得锥度to find the taper
CN201711284585.4A 2017-12-07 2017-12-07 A kind of internal taper hole conicity measurement mechanism and its measuring method Pending CN108151625A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357600A (en) * 2018-09-20 2019-02-19 江苏理工学院 A tapered hole taper detection device
CN109443299A (en) * 2018-12-31 2019-03-08 天津正天医疗器械有限公司 A kind of bulb internal taper hole roughness measuring device
CN110145998A (en) * 2019-05-14 2019-08-20 江苏理工学院 A device for detecting the bevel angle of an inner cone
CN110514154A (en) * 2019-08-30 2019-11-29 中国航发动力股份有限公司 A method of tapered hole is measured for the air measuring device of tapered hole and using it
CN112504166A (en) * 2020-11-13 2021-03-16 江苏华阳重工股份有限公司 Precision measuring device for taper hole machining
CN113819826A (en) * 2021-09-30 2021-12-21 安徽巨一科技股份有限公司 A measuring device for inner circlip groove
CN114413732A (en) * 2022-01-31 2022-04-29 南平智创技术服务有限公司 A kind of taper measuring method of small size taper hole

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CN2394193Y (en) * 1999-10-19 2000-08-30 姜莞西 Clock gauge style instrument for measuring internal taper
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CN102506632A (en) * 2011-10-22 2012-06-20 中信戴卡轮毂制造股份有限公司 Device for measuring taper hole
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CN103983175A (en) * 2014-06-06 2014-08-13 重庆新兴齿轮有限公司 Outer cone detector
CN105115404A (en) * 2015-08-28 2015-12-02 航天精工股份有限公司 Countersunk angle measurement method
CN205981056U (en) * 2016-04-27 2017-02-22 常州机电职业技术学院 Device for measuring inner cone angle
CN207649529U (en) * 2017-12-07 2018-07-24 沈阳航天新光集团有限公司 A kind of internal taper hole conicity measurement mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671865A (en) * 1950-05-19 1952-05-14 Alan Douglas Mcphie Improvements in taper measuring devices
CN2040632U (en) * 1987-12-28 1989-07-05 朱振卉 Multifunctional vernier caliper
CN2394193Y (en) * 1999-10-19 2000-08-30 姜莞西 Clock gauge style instrument for measuring internal taper
KR20040056729A (en) * 2002-12-24 2004-07-01 주식회사 포스코 Apparatus for taper and machining measuring on sleeve for rolling mill
CN102506632A (en) * 2011-10-22 2012-06-20 中信戴卡轮毂制造股份有限公司 Device for measuring taper hole
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CN103983175A (en) * 2014-06-06 2014-08-13 重庆新兴齿轮有限公司 Outer cone detector
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357600A (en) * 2018-09-20 2019-02-19 江苏理工学院 A tapered hole taper detection device
CN109443299A (en) * 2018-12-31 2019-03-08 天津正天医疗器械有限公司 A kind of bulb internal taper hole roughness measuring device
CN110145998A (en) * 2019-05-14 2019-08-20 江苏理工学院 A device for detecting the bevel angle of an inner cone
CN110514154A (en) * 2019-08-30 2019-11-29 中国航发动力股份有限公司 A method of tapered hole is measured for the air measuring device of tapered hole and using it
CN110514154B (en) * 2019-08-30 2021-01-26 中国航发动力股份有限公司 Pneumatic measuring device for taper hole and method for measuring taper hole by using same
CN112504166A (en) * 2020-11-13 2021-03-16 江苏华阳重工股份有限公司 Precision measuring device for taper hole machining
CN113819826A (en) * 2021-09-30 2021-12-21 安徽巨一科技股份有限公司 A measuring device for inner circlip groove
CN114413732A (en) * 2022-01-31 2022-04-29 南平智创技术服务有限公司 A kind of taper measuring method of small size taper hole

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