CN105423861A - Special-purposed elbow-type inner raceway measuring rule - Google Patents
Special-purposed elbow-type inner raceway measuring rule Download PDFInfo
- Publication number
- CN105423861A CN105423861A CN201510741957.6A CN201510741957A CN105423861A CN 105423861 A CN105423861 A CN 105423861A CN 201510741957 A CN201510741957 A CN 201510741957A CN 105423861 A CN105423861 A CN 105423861A
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- China
- Prior art keywords
- chi
- ball
- raceway
- dip stick
- pointer
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A special-purposed elbow-type inner raceway measuring rule comprises a left rule body (1), measuring ball fixing claws (2), countersink screws (3), measuring balls (4), pins (5), a limiting block (6), a connecting lever (7), a rotating arm (8), a right rule body (9), a reading meter (10), a clamping screw (11), a pointer (12) and a pointer plate (13); a protrusion at the lower surface of the right end of the left rule body (1) is connected with the connecting lever (7) via the pin (5), the right end of the connecting lever (7) is connected with the rotating arm (8) via the pin (5), the middle portion of the rotating arm (8) is connected to the middle portion of the right rule body (9) via the pin (5), and the left end of the right rule body (9) is connected with the right end of the left rule body (1) via the pin (5); lines of the four pins A, B, C and D form a parallelogram linkage mechanism; and the two measuring balls (4) are mounted at the left end of the left rule body (1) and the right end of the right rule body (9) respectively. According to the measuring rule, influence of the self gaps of the rule itself on the measuring size is eliminated, movement is not generated during measurement, reading is stable and accurate, operation is convenient, and the efficiency is high.
Description
Technical field
The present invention relates to a kind of rotary support raceway diameter survey instrument, be specifically related to raceway dip stick in a kind of special elbow formula.
Background technology
Manufacture processing industry at pivoting support, the measurement of raceway diameter size is compare stubborn problem always, and the interior raceway dimensional measurement that especially size is less is more difficult.
Normal employing rod-type measuring method, rod-type two end is each fixes a measurement ball, is provided with spring between fixed bar and motion bar, can make sounding rod shortening that measuring head can be entered in interior raceway and measure.There is a lot of problem in this measuring method, one is that sounding rod own backlash has larger impact to measured value; Two is when measuring maximal value, and reading is unstable, suddenly big or suddenly small; Three is require high to operator, requires that operator skillfully can grasp measuring method.
Summary of the invention
Difficulty is measured for solving raceway diameter in small size pivoting support, devise raceway dip stick in a kind of special elbow formula, this dip stick is the folded bent by blade, measurement ball is entered in interior raceway measure, bending angle is converted to the corresponding relation with measured value by four-bar mechanism.
In a kind of special elbow formula, raceway dip stick comprises that left chi, measurement ball fixed claw, sunk screw, measurement ball, bearing pin, limited block, connecting rod, pivoted arm, right chi, read table, clamping screw, pointer, dial plate, wedge groove, the arc surface of indent, wedge are outstanding, claw, circular hole, groove, small sircle hole and threaded hole.
One is had to stretch out below left chi right-hand member, be connected with connecting rod by bearing pin, the right-hand member of connecting rod is connected with pivoted arm by bearing pin, also passes through pinned connection in the middle part of pivoted arm with the middle part of right chi, right chi left end and left chi right-hand member are also by pinned connection, and the line of four bearing pins forms a parallel four-bar linkage.
The left end of left chi and the right-hand member of right chi are respectively equipped with two measures ball.
Measure the axis of pointer and the axis being parallel of left chi.
The tie point of pivoted arm and right chi is positioned at the mid point of right chi, and by the designing and calculating to each several part size and connection angle, when ensureing to measure, in right chi, steel ball is equal in the distance that the Distance geometry pointer of pointer axis direction movement is flexible.
The left side of left chi is the arc surface of indent, left chi front-back all has wedge groove, former and later two are measured on ball fixed claw has wedge to give prominence to, the wedge measured on ball fixed claw is given prominence to and is stuck in the wedge groove of left chi, the claw measuring ball fixed claw curves inwardly, former and later two are measured ball fixed claw and are fixed on left chi by former and later two sunk screws, and former and later two are measured ball and are positioned in the middle of the claw of former and later two measurement ball fixed claws and the arc surface of left chi left end indent.
Right chi right-hand member structure is identical with the structure of left chi left end, measures ball fixed claw is also fixed on right chi front-back by two sunk screws for two, measures ball for two and is arranged in the arc surface that former and later two measure ball fixed claw and right chi right-hand member indent.
Be connected with dial plate above left chi, during measurement, the head of pointer slides in the right side of dial plate, and the right limited location block below left chi, limits the extreme position that right chi rotates.
Pivoted arm upper end left and right directions is processed with a circular hole, is used for fixing read table, has a groove above circular hole, is processed with small sircle hole in groove front, and rear, to being processed with threaded hole, clamps read table with fishbolt.
Measuring process:
1, the check and correction box this chi being put into standard compresses check and correction downwards.
2, by for ease of putting the measurement ball of this chi into raceway, advanced line bend.
3, measure two of right chi one side that raceway put into by ball, progressively open this chi and measure two of left chi the another side that raceway put into by ball simultaneously, to pressing down this chi, making four to measure ball and being close to raceway.
4, reading.
Beneficial effect:
1, this dip stick eliminates the impact of blade own backlash on measurement size, can not produce movement during measurement, stable reading, accurate and reproducible.
2, easy to operate, efficiency is high.
3, check and correction easily, precisely, conveniently.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the front view that the present invention is in normal condition;
Fig. 2 is the front view that the present invention is in case of bending;
Fig. 3 is the front view that the present invention is in measuring state;
Fig. 4 is the vertical view that the present invention is in normal condition;
Fig. 5 is the front view of the present invention's left chi 1 when being in normal condition;
Fig. 6 is the vertical view of the present invention's measurement ball fixed claw 2 of left front when being in normal condition;
Fig. 7 is the left view (partial enlargement) of the present invention's pivoted arm 5 upper part when being in normal condition.
In figure: 1, left chi; 2, ball fixed claw is measured; 3, sunk screw; 4, ball is measured; 5, bearing pin; 6, limited block; 7, connecting rod; 8, pivoted arm; 9, right chi; 10, read table; 11, clamping screw; 12, pointer; 13, dial plate; 14, wedge groove; 15, the arc surface of indent; 16, wedge is given prominence to; 17, claw; 18, circular hole; 19, groove; 20, small sircle hole; 21, threaded hole.
Embodiment
In a kind of special elbow formula as shown in the figure, raceway dip stick embodiment comprises left chi 1, measures ball fixed claw 2, sunk screw 3, measures that ball 4, bearing pin 5, limited block 6, connecting rod 7, pivoted arm 8, right chi 9, read table 10, clamping screw 11, pointer 12, dial plate 13, wedge groove 14, the arc surface 15 of indent, wedge are outstanding 16, claw 17, circular hole 18, groove 19, small sircle hole 20 and threaded hole 21.
One is had to stretch out below left chi 1 right-hand member, be connected with connecting rod 7 by bearing pin 5, the right-hand member of connecting rod 7 is connected with pivoted arm 8 by bearing pin 5, also be connected by bearing pin 5 with the middle part of right chi 9 in the middle part of pivoted arm 8, right chi 9 left end is also connected by bearing pin 5 with left chi 1 right-hand member, the line of four bearing pins A, B, C, D forms a parallel four-bar linkage, and the right-hand member of the left end of left chi 1 and right chi 9 is respectively equipped with two measurement balls 4.
The axis measuring pointer 12 is parallel with the axis AE of left chi 1.
Pivoted arm 8 is positioned at the mid point of right chi (AF line segment) with the tie point (B point) of right chi 9, by the designing and calculating to each several part size and connection angle, when ensureing to measure, in right chi 9, steel ball 4 is equal in the distance that the Distance geometry pointer 12 of pointer 12 axis direction movement is flexible.
The left side of left chi 1 is the arc surface 15 of indent, left chi 1 front-back all has wedge groove 14, former and later two are measured on ball fixed claw 2 wedge outstanding 16, the wedge outstanding 16 measured on ball fixed claw 2 is stuck in left chi 1 wedge groove 14, the claw 17 measuring ball fixed claw 2 curves inwardly, former and later two are measured ball fixed claw 2 and are fixed on left chi 1 by former and later two sunk screws 3, and former and later two are measured ball 4 and are positioned in the middle of claws 17 of former and later two measurement ball fixed claws 2 and the arc surface 15 of left chi 1 left side indent.
Right chi 9 right-hand member structure is identical with the structure of left chi 1 left end, measure ball fixed claw 2 is also fixed on right chi 9 front-back by two sunk screws 3 for two, measure ball 4 for two and be arranged in the claw 17 of former and later two measurement ball fixed claws 2 and the arc surface of right chi 9 right-hand member indent.
Left chi 1 is connected with dial plate 13 above, and during measurement, the head of pointer 12 slides in the right side of dial plate 13, and the right limited location block 6 below left chi 1, limits the extreme position that right chi 9 rotates.
Pivoted arm 8 upper end left and right directions is processed with a circular hole 18, is used for fixing read table 10, has a groove 19, be processed with small sircle hole 20 in groove front above circular hole, and rear, to being processed with threaded hole 21, clamps read table 10 with fishbolt 11.
Measuring process:
1, the check and correction box this chi being put into standard compresses check and correction downwards.
2, for ease of putting the measurement ball 4 of this chi into raceway, advanced line bend.
3, measure two of right chi one side that raceway put into by ball 4, progressively launch this chi and measure two of left chi the another side that raceway put into by ball 4 simultaneously, to pressing down this chi, making four to measure ball and being close to raceway.
4, reading.
Claims (8)
1. a raceway dip stick in special elbow formula, comprises left chi (1), measure ball fixed claw (2), sunk screw (3), measure ball (4), bearing pin (5), limited block (6), connecting rod (7), pivoted arm (8), right chi (9), read table (10), clamping screw (11), pointer (12), dial plate (13), wedge groove (14), the arc surface (15) of indent, wedge gives prominence to (16), claw (17), circular hole (18), groove (19), small sircle hole (20) and threaded hole (21), it is characterized in that: below left chi (1) right-hand member, have one to stretch out, be connected with connecting rod (7) by bearing pin (4), the right-hand member of connecting rod (7) is connected with pivoted arm (8) by bearing pin (5), pivoted arm (8) middle part is also connected by bearing pin (5) with the middle part of right chi (9), right chi (9) left end and left chi (1) right-hand member are also connected by bearing pin (5), A, B, C, the line of D tetra-bearing pins forms a parallel four-bar linkage.
2. raceway dip stick in a kind of special elbow formula as claimed in claim 1, is characterized in that: the axis measuring pointer (12) is parallel with the axis AE of left chi (1).
3. raceway dip stick in a kind of special elbow formula as claimed in claim 1, it is characterized in that: (tie point (B point) of 9 is positioned at the mid point of right chi (AF line segment), and during measurement, the steel ball (4) of right chi (9) is equal in the distance that the Distance geometry pointer of pointer (12) axis direction movement is flexible for pivoted arm (8) and right chi.
4. raceway dip stick in a kind of special elbow formula as claimed in claim 1, is characterized in that: the left end of left chi (1) and the right-hand member of right chi (9) are respectively equipped with two measures ball (4).
5. raceway dip stick in a kind of special elbow formula as claimed in claim 1, it is characterized in that: the left side of left chi (1) is the arc surface (15) of indent, left chi (1) front-back all has wedge groove (14), former and later two are measured on ball fixed claw (2) has wedge to give prominence to (16), the wedge outstanding (16) measured on ball fixed claw (2) is stuck in left chi (1) wedge groove (14), the claw (17) measuring ball fixed claw (2) curves inwardly, former and later two are measured ball fixed claw (2) and are fixed on left chi (1) by former and later two sunk screws (3), former and later two are measured ball (4) and are positioned in the middle of claws (17) of former and later two measurements ball fixed claw (2) and the arc surface (15) of left chi (1) left end indent.
6. raceway dip stick in a kind of special elbow formula as claimed in claim 1, it is characterized in that: right chi (9) right-hand member structure is identical with the structure of left chi (1) left end, measure ball fixed claw (2) is also fixed on right chi (9) front-back by two sunk screws (3) for two, measure ball (4) for two and be arranged in the arc surface that former and later two measure ball fixed claw (2) and right chi (9) right-hand member indent.
7. raceway dip stick in a kind of special elbow formula as claimed in claim 1, its feature exists. in: be connected with dial plate (13) above left chi (1), during measurement, the head of pointer (12) slides in the right side of dial plate (13), the right limited location block (6) below left chi (1), limits the extreme position that right chi (9) rotates.
8. raceway dip stick in a kind of special elbow formula as claimed in claim 1, it is characterized in that: pivoted arm (8) upper end left and right directions is processed with a circular hole (18), be used for fixing read table (10), a groove (19) is had above circular hole, small sircle hole (20) is processed with in groove front, rear, to being processed with threaded hole (21), clamps read table (10) with fishbolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741957.6A CN105423861B (en) | 2015-10-30 | 2015-10-30 | A kind of special elbow formula interior rollaway nest measuring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741957.6A CN105423861B (en) | 2015-10-30 | 2015-10-30 | A kind of special elbow formula interior rollaway nest measuring scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423861A true CN105423861A (en) | 2016-03-23 |
| CN105423861B CN105423861B (en) | 2018-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510741957.6A Active CN105423861B (en) | 2015-10-30 | 2015-10-30 | A kind of special elbow formula interior rollaway nest measuring scale |
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| Country | Link |
|---|---|
| CN (1) | CN105423861B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201355229Y (en) * | 2008-12-29 | 2009-12-02 | 中国石化集团江汉石油管理局第四机械厂 | Measurement caliper |
| JP2010185805A (en) * | 2009-02-13 | 2010-08-26 | Shinko Harada | Measuring instrument |
| CN102052889A (en) * | 2009-10-28 | 2011-05-11 | 衡阳风顺车桥有限公司 | Bore diameter checking fixture |
| CN102818501A (en) * | 2012-07-09 | 2012-12-12 | 平高集团有限公司 | Arc radius measuring device |
| CN205373596U (en) * | 2015-10-30 | 2016-07-06 | 安徽省宣城市乾坤回转支承有限公司 | Raceway dipperstick in special elbow formula |
-
2015
- 2015-10-30 CN CN201510741957.6A patent/CN105423861B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201355229Y (en) * | 2008-12-29 | 2009-12-02 | 中国石化集团江汉石油管理局第四机械厂 | Measurement caliper |
| JP2010185805A (en) * | 2009-02-13 | 2010-08-26 | Shinko Harada | Measuring instrument |
| CN102052889A (en) * | 2009-10-28 | 2011-05-11 | 衡阳风顺车桥有限公司 | Bore diameter checking fixture |
| CN102818501A (en) * | 2012-07-09 | 2012-12-12 | 平高集团有限公司 | Arc radius measuring device |
| CN205373596U (en) * | 2015-10-30 | 2016-07-06 | 安徽省宣城市乾坤回转支承有限公司 | Raceway dipperstick in special elbow formula |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105423861B (en) | 2018-08-28 |
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Address after: 242000 No.10, Yingbin Avenue, East Industrial Park, Xuanzhou District, Xuancheng City, Anhui Province Patentee after: Anhui Qiankun Heavy Industry Machinery Co., Ltd Address before: 242000 No.10, Yingbin Avenue, East Industrial Park, Xuanzhou District, Xuancheng City, Anhui Province Patentee before: ANHUI XUANCHENG QIANKUN SLEWING RING Co.,Ltd. |