CN103017638B - Diameter measuring tool of inner spherical section circle and measuring method - Google Patents
Diameter measuring tool of inner spherical section circle and measuring method Download PDFInfo
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- CN103017638B CN103017638B CN201210501927.4A CN201210501927A CN103017638B CN 103017638 B CN103017638 B CN 103017638B CN 201210501927 A CN201210501927 A CN 201210501927A CN 103017638 B CN103017638 B CN 103017638B
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- movable
- measuring unit
- circular diameter
- measuring tool
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Abstract
The invention discloses a diameter measuring tool of an inner spherical section circle and a measuring method. The measuring tool comprises a base, a first movable measurement unit, a first data reading device and a fixed measurement unit, wherein the fixed measurement unit comprises two contoured fixed bulbs; the two fixed bulbs are fixedly arranged on the base; a movement center of the first movable measurement unit and the two fixed bulbs form an isosceles triangle on the same plane; one end of a first movable measurement unit is connected with a second movable measurement unit through a spring; the other end of the first movable measurement unit contacts a reading meter measuring head of the first data reading device; the second data reading device stops at one end of the second movable measurement unit; and the first movable measurement unit and the second movable measurement unit are arranged on the base and can carry out axial slot clearance sliding along the axis on which a connecting line of the second movable measurement unit and the first movable measurement unit is. The diameter measuring tool can meet detection of the diameter of the inner spherical section circle with fixed distance; and the measuring method is reliable and suitable for field and volume production.
Description
Technical field
The present invention relates to a kind of survey instrument and the measuring method based on this measuring tool, particularly relate to a kind of interior ball cross section circular diameter measuring tool and measuring method.
Background technology
The strength member retainer of high-pressure plunger pump, as Fig. 1 a and Fig. 1 b, in its enlarged drawing, D0 size Ф 64.226 ± 0.05 is critical size, needs 100% to detect, sees Fig. 2.D0 is the cross section circular diameter apart from A identity distance from Z0=2 ± 0.01 place.When measuring it, adopt three coordinate measuring machine to adopt a method for metering, the skill set requirements of this measuring method to technician is higher, and workers processing does not often possess this technical ability.Adding man-hour to retainer part, its Internal Spherical Surface adopts grinding, and the method can not realize part fixture for grinding machine location and step up the detection on grinding machine, part need be dismantled repeatedly, and resetting error increases, and detection time is long, efficiency is low, can not meet on-the-spot batch production.
Summary of the invention
In order to solve the above-mentioned technical matters existed in background technology, the invention provides a kind of detection, measuring method meeting interior ball set a distance cross section circular diameter reliable, be suitable for on-the-spot and produce in batches and interior ball cross section circular diameter measuring tool easy to use.
Technical solution of the present invention is: the invention provides a kind of interior ball cross section circular diameter measuring tool, its special character is: described interior ball cross section circular diameter measuring tool comprises pedestal, the first movable measuring unit, the first data fetch device, the second movable measuring unit, the second data fetch device and fixation measuring unit; Described fixation measuring unit comprises two contour fixing bulbs; Described two fixing bulbs are fixedly installed on pedestal; The Mobility Center of described first movable measuring unit becomes isosceles triangle at grade with two fixing bulbs; One end of described first movable measuring unit is connected with the second movable measuring unit by spring; The described other end of the first movable measuring unit contacts with the read table gauge head of the first data fetch device; Described second data fetch device only leans against second movable measuring unit one end; Described first movable measuring unit and the second movable measuring unit are on pedestal and carry out the slip of axial groove gap along the axis residing for the line between the second movable measuring unit and the first active unit.
The Mobility Center of above-mentioned second movable measuring unit and the Mobility Center of the first movable measuring unit are contour.
Above-mentioned first active unit and the second active unit include movable gauge rod and movable bulb; Described movable gauge rod is L-type; The vertical section that the movable gauge rod of described L-type comprises horizontal segment and is connected with horizontal segment; Described horizontal segment to be arranged on pedestal and to carry out the slip of groove gap on pedestal; Described movable bulb is arranged in vertical section.
Above-mentioned interior ball cross section circular diameter measuring tool also comprises the dial framework for clamping or support data fetch device; Described dial framework is fixedly connected with by screw with pedestal.
Above-mentioned interior ball cross section circular diameter measuring tool also comprises the uniform supporting be arranged on pedestal; Described supporting 4.
Above-mentioned first data fetch device and the second data fetch device are read tables used, and this read table is dial gauge or clock gauge.
Above-mentioned fixing bulb passing hole axle interference fit is connected with pedestal; Described movable bulb passing hole axle interference fit is connected with movable gauge rod.
Above-mentioned interior ball cross section circular diameter measuring tool also needs and measures base and standard component share, and described measurement base and standard component are all absolute construction.
Based on a measuring method for ball cross section circular diameter measuring tool in above-mentioned, its special character is: described measuring method comprises the following steps:
1) standard component is placed on is provided with on the measurement base of endoporus, two fixing bulbs are only leaned against in the Internal Spherical Surface of standard component; Make two movable bulbs by spring contact part Internal Spherical Surface, the reading of data fetch device is all returned to zero;
2) standard component is replaced with retainer part to be measured, and retainer part to be measured is placed on the measurement base of endoporus, make two fixing bulbs only lean against in the Internal Spherical Surface of retainer part to be measured; Make two movable bulbs by spring contact part Internal Spherical Surface, adopt data fetch device to read the relevant readings of retainer part to be measured;
3) calculation procedure 2) in reading value, described reading value is the D0 value of retainer part to be measured and the difference of standard component D0 value;
4) difference obtained according to step 3) judges whether retainer part to be measured belongs to specification product.
Above-mentioned steps 3) in calculating reading value be that the algebraic sum of the reading on two data fetch devices is added.
Advantage of the present invention is:
The present invention utilizes the interior point of contact of small arc-shaped and orthodrome to make measurement point, and realizes the measurement of Z0 position by the structure of measuring tool, needs the designing and calculating two movable balls head shoot heart and the actual range supporting locating surface.Only realize location by part Internal Spherical Surface by two fixing bulbs, two movable bulbs are by spring force contact part Internal Spherical Surface simultaneously, the reading of two clock gauges or dial gauge and comparing and measuring with standard component.The present invention adopts grinding to the Internal Spherical Surface of retainer part, take into account part fixture for grinding machine location and step up the detection on grinding machine, can detect after realizing grinding, rear measurement need not be dismantled, reduce resetting error, be a kind of special measurement fixture and measuring method, the detection of interior ball set a distance cross section circular diameter can be met, be suitable for on-the-spot and batch production, use simple, reliable.
Accompanying drawing explanation
Fig. 1 a is the structural representation of part retainer;
Fig. 1 b is the side-looking structural representation of Fig. 1 a;
Fig. 2 is the enlarged diagram at D0 place place in part retainer;
Fig. 3 is the structural representation of interior ball cross section provided by the present invention circular diameter measuring tool;
Fig. 4 is based on the schematic diagram of measuring tool provided by the present invention in measuring process;
Wherein:
1-data fetch device; 2-cover plate; The movable gauge rod of 3-; The movable bulb of 4-; 5-fixes bulb; 6-supports; 7-pedestal; 8-spring; 9-retainer part to be measured; 10-measures base;
Embodiment
See Fig. 3, the invention provides a kind of interior ball cross section circular diameter measuring tool, this interior ball cross section circular diameter measuring tool comprises the movable measuring unit of pedestal 7, first, the movable measuring unit of the first data fetch device 1, second, the second data fetch device 1 and fixation measuring unit; Fixation measuring unit comprises two contour fixing bulbs 5; Two fixing bulbs 5 are fixedly installed on pedestal 7; The Mobility Center of the first movable measuring unit becomes isosceles triangle at grade with two fixing bulbs 5; One end of first movable measuring unit is connected with the second movable measuring unit by spring 8; The other end of the first movable measuring unit contacts with the first data fetch device 1 read table gauge head; Be connected by spring 8 between second movable measuring unit with the first movable measuring unit; Described second data fetch device 1 only leans against second movable measuring unit one end; Second movable measuring unit and the line between the first active unit are divided equally the lines between two fixing bulbs 5 and vertical; First movable measuring unit and the second movable measuring unit are on pedestal 7 and carry out the slip of axial groove gap along the axis residing for the line between the second movable measuring unit and the first active unit.
The Mobility Center of the second movable measuring unit and the Mobility Center of the first movable measuring unit are contour.
Only utilize a movable measuring unit, for the present invention, can by the computing of relative complex, the object of the measurement that just can realize completely.In order to make computation process or measuring process become simple, the present invention adopts two movable measuring units.
First active unit and the second active unit include movable gauge rod 3 and movable bulb 4; Movable gauge rod 3 is in L-type; The vertical section that the movable gauge rod 3 of L-type comprises horizontal segment and is connected with horizontal segment; Horizontal segment to be arranged on pedestal 7 and to carry out the slip of groove gap on pedestal 7; Movable bulb 4 is arranged in vertical section.
Interior ball cross section circular diameter measuring tool also comprises for clamping or supports data fetch device 1; Data fetch device 1 is fixedly connected with by screw with pedestal 7.
Interior ball cross section circular diameter measuring tool also comprises the uniform supporting 6 be arranged on pedestal 7; Supporting 6 has 4; Supporting 6 is connected with pedestal 7 passing hole axle interference fit.
First data fetch device 1 and the second data fetch device 1 are all dial gauge or clock gauge.
2 fixing bulb 5 passing hole axle interference fit are connected with pedestal 7; Movable bulb 4 passing hole axle interference fit is connected with movable gauge rod 3.
Cover plate 2 is connected with pedestal 7 with pin by screw.
The present invention in use needs to share with measurement base and standard component.Measurement base and standard component are absolute construction, and measure base and see piece number 10 in Fig. 4, standard component structure is similar to External Shape, consider that processing is simple, need not be designed to Internal Spherical Surface, design endoporus, but hole size needs to calculate, and structural drawing slightly.
Measuring principle of the present invention is:
The present invention utilizes the interior point of contact of small arc-shaped and orthodrome to make measurement point, and realizes the measurement of Z0 position by the structure of measuring tool, needs the designing and calculating two movable balls head shoot heart and the actual range supporting locating surface.Only realize location by part Internal Spherical Surface by two fixing bulbs, two movable bulbs are by spring force contact part Internal Spherical Surface simultaneously, the reading of two clock gauges or dial gauge and comparing and measuring with standard component.
The present invention is while providing above-mentioned measured material, and additionally provide a kind of measuring method based on above-mentioned interior ball cross section circular diameter measuring tool, this measuring method comprises the following steps:
1) as shown in Figure 4, standard component is placed on the measurement base 10 of endoporus, infer that tool makes fixing bulb only by part Internal Spherical Surface by have gentle hands, when the dial gauge of left end shown in Fig. 4 reading is minimum, two movable bulbs are by spring force contact part Internal Spherical Surface simultaneously, all returned to zero by two of measuring tool dial gauge/clock gauge readings.
2) replaced by retainer part 9 to be measured standard component to be placed on and measure on base 10, two dial gauges/clock gauge display reading of same method measuring tool.
3) reading value is calculated, reading and the difference being part D0 and standard component D0 of two tables;
4) difference obtained according to step 3) judges whether retainer part 9 to be measured belongs to specification product.
Claims (9)
1. a ball cross section circular diameter measuring tool in, is characterized in that: described interior ball cross section circular diameter measuring tool comprises pedestal, the first movable measuring unit, the first data fetch device, the second movable measuring unit, the second data fetch device and fixation measuring unit; Described fixation measuring unit comprises two contour fixing bulbs; Described two fixing bulbs are fixedly installed on pedestal; The Mobility Center of described first movable measuring unit becomes isosceles triangle at grade with two fixing bulbs; One end of described first movable measuring unit is connected with the second movable measuring unit by spring; The described other end of the first movable measuring unit contacts with the read table gauge head of the first data fetch device; Described second data fetch device only leans against second movable measuring unit one end; Described first movable measuring unit and the second movable measuring unit are on pedestal and carry out the slip of axial groove gap along the axis residing for the line between the second movable measuring unit and the first active unit.
2. interior ball cross section according to claim 1 circular diameter measuring tool, is characterized in that: the Mobility Center of described second movable measuring unit and the Mobility Center of the first movable measuring unit are contour.
3. interior ball cross section according to claim 1 and 2 circular diameter measuring tool, is characterized in that: described first active unit and the second active unit include movable gauge rod and movable bulb; Described movable gauge rod is L-type; The vertical section that the movable gauge rod of described L-type comprises horizontal segment and is connected with horizontal segment; Described horizontal segment to be arranged on pedestal and to carry out the slip of groove gap on pedestal; Described movable bulb is arranged in vertical section.
4. interior ball cross section according to claim 3 circular diameter measuring tool, is characterized in that: described interior ball cross section circular diameter measuring tool also comprises the dial framework for clamping or support data fetch device; Described dial framework is fixedly connected with by screw with pedestal.
5. interior ball cross section according to claim 4 circular diameter measuring tool, is characterized in that: described interior ball cross section circular diameter measuring tool also comprises the uniform supporting be arranged on pedestal; Described supporting is 4; Described supporting passing hole axle interference fit is connected with pedestal.
6. interior ball cross section according to claim 5 circular diameter measuring tool, is characterized in that: described first data fetch device and the second data fetch device are all dial gauge or clock gauge.
7. interior ball cross section according to claim 6 circular diameter measuring tool, is characterized in that: described fixing bulb passing hole axle interference fit is connected with pedestal; Described movable bulb passing hole axle interference fit is connected with movable gauge rod.
8., based on a measuring method for ball cross section circular diameter measuring tool in described in the arbitrary claim of claim 2-7, it is characterized in that: described measuring method comprises the following steps:
1) standard component is placed on is provided with on the measurement base of endoporus, two fixing bulbs are only leaned against in the Internal Spherical Surface of standard component; Make two movable bulbs by spring contact part Internal Spherical Surface, the reading of data fetch device is all returned to zero;
2) standard component is replaced with retainer part to be measured, and retainer part to be measured is placed on the measurement base of endoporus, make two fixing bulbs only lean against in the Internal Spherical Surface of retainer part to be measured; Make two movable bulbs by spring contact part Internal Spherical Surface, adopt data fetch device to read the relevant readings of retainer part to be measured;
3) calculation procedure 2) in reading value, described reading value is the D0 value of retainer part to be measured and the difference of standard component D0 value; Described D0 value is interior ball set a distance cross section circular diameter;
4) according to step 3) difference that obtains judges whether retainer part to be measured belongs to specification product.
9. the measuring method of interior ball cross section according to claim 8 circular diameter measuring tool, is characterized in that: described step 3) in calculating reading value be by two data fetch devices reading algebraic sum be added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210501927.4A CN103017638B (en) | 2012-11-29 | 2012-11-29 | Diameter measuring tool of inner spherical section circle and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210501927.4A CN103017638B (en) | 2012-11-29 | 2012-11-29 | Diameter measuring tool of inner spherical section circle and measuring method |
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| Publication Number | Publication Date |
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| CN103017638A CN103017638A (en) | 2013-04-03 |
| CN103017638B true CN103017638B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210501927.4A Expired - Fee Related CN103017638B (en) | 2012-11-29 | 2012-11-29 | Diameter measuring tool of inner spherical section circle and measuring method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115457B (en) * | 2015-08-18 | 2017-10-27 | 南京中船绿洲机器有限公司 | A kind of large-scale spherosome sphere dimension measurement tool and measuring method |
| CN110657751B (en) * | 2019-10-17 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Self-positioning high-precision aperture measuring device |
| CN115319539B (en) * | 2022-07-28 | 2023-07-25 | 湖南南方通用航空发动机有限公司 | Thickness measuring tool and method for disc with inclined wall thickness on given diameter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378038Y (en) * | 2009-04-07 | 2010-01-06 | 万向钱潮股份有限公司 | Gauge for measuring diameter of bell housing spherical channel (spherical surface) |
| CN102425983A (en) * | 2011-08-24 | 2012-04-25 | 李心杏 | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005606A (en) * | 2000-06-20 | 2002-01-09 | Ibs:Kk | Method and device for measuring spherical object |
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- 2012-11-29 CN CN201210501927.4A patent/CN103017638B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378038Y (en) * | 2009-04-07 | 2010-01-06 | 万向钱潮股份有限公司 | Gauge for measuring diameter of bell housing spherical channel (spherical surface) |
| CN102425983A (en) * | 2011-08-24 | 2012-04-25 | 李心杏 | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell |
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| CN103017638A (en) | 2013-04-03 |
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