CN102297649B - Apparatus for measuring diameter of instrument indicator of automobile - Google Patents
Apparatus for measuring diameter of instrument indicator of automobile Download PDFInfo
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- CN102297649B CN102297649B CN 201110202729 CN201110202729A CN102297649B CN 102297649 B CN102297649 B CN 102297649B CN 201110202729 CN201110202729 CN 201110202729 CN 201110202729 A CN201110202729 A CN 201110202729A CN 102297649 B CN102297649 B CN 102297649B
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- endwisely slips
- measuring
- side bar
- described left
- chuck
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims description 54
- 230000001939 inductive effect Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 abstract 3
- 230000000149 penetrating effect Effects 0.000 abstract 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to an apparatus for measuring the diameter of an instrument indicator of an automobile, which comprises metal bases. The metal bases are respectively provided with a convex penetrating rack. The apparatus for measuring the diameter of the instrument indicator of the automobile also comprises a left measuring chuck and a right measuring chuck which are respectively located above the penetrating racks; a left axial sliding rod is arranged below the left measuring chuck; a right axial sliding rod is arranged below the right measuring chuck; the left axial sliding rod is connected with the left measuring chuck; the right axial sliding rod is connected with the right measuring chuck; the left axial sliding rod and the right axial sliding rod respectively penetrate onto the penetrating racks; the left axial sliding rod is provided with a left elastic piece; the right axial sliding rod is provided with a right elastic piece; the left measuring chuck or the right measuring chuck is provided with an inductance-type displacement sensor; and the inductance-type displacement sensor corresponds to the metal bases. The apparatus for measuring the diameter of the instrument indicator of the automobile also comprises a control device. The apparatus for measuring the diameter of the instrument indicator of the automobile is capable of automatically measuring the diameter of the cylinder of the instrument indicator, greatly improving the measuring efficiency and improving the measuring accuracy.
Description
(1) technical field
The present invention relates to a kind of measuring apparatus of diameter.
(2) background technology
When carrying out the production of automobile meter pointer, need to carry out diameter measurement to the cylinder of gauge pointer with ensure quality.In the prior art, mainly adopt slide calliper rule or projector to carry out to the diameter measurement of the cylinder of gauge pointer, measure trouble and degree of accuracy and have much room for improvement.
(3) summary of the invention
In order to overcome the deficiency of coming the diameter of measurement instrument pointer cylinder to bring with slide calliper rule or projector in the prior art, the invention provides a kind of measuring apparatus of diameter that can automatically carry out diameter measurement.
The technical scheme that the present invention solves its technical matters is: a kind of apparatus for measuring diameter of instrument indicator of automobile, comprise metab, and described metab is provided with the frame of wearing of epirelief;
Also comprise and be positioned at described left measurement chuck, the right measurement chuck of wearing the frame top, form the piece-holder space between described left measurement chuck and the right measurement chuck, there is the left side bar that endwisely slips the below of described left measurement chuck, there is the right side bar that endwisely slips the below of described right measurement chuck, the described left side bar that endwisely slips is connected with described left measurement chuck, the described right side bar that endwisely slips is connected with described right measurement chuck, and described left side bar and the described right side bar that endwisely slips that endwisely slips all is located in described wearing on the frame;
The described left side bar that endwisely slips is provided with left elastic component, and the described right side bar that endwisely slips is provided with right elastic component, and described left elastic component and right elastic component make endwisely slip bar and the right bar that endwisely slips of a described left side have mutually close trend;
Described left measurement chuck, left elastic component, the left side bar that endwisely slips consists of left measuring mechanism, described right measurement chuck, right elastic component, the right side bar that endwisely slips consists of right measuring mechanism, and described left measuring mechanism and right measuring mechanism are symmetrical about the center line in piece-holder space;
Described left measurement chuck or right measurement chuck are provided with inductive displacement transducer, and described inductive displacement transducer is corresponding with described metab;
Also comprise control device, described control device comprises the AD conversion unit that is connected with the output terminal of described inductive displacement transducer, be used for carrying out the computing unit that prestores the original radix value when not inserting workpiece, the driving circuit that is used for driving display screen that diameter calculates, be used for carrying out the display screen that diameter data shows, described AD conversion unit, computing unit, driving circuit and display screen connect successively.
Further, described left elastic component is left spring, the described left side bar that endwisely slips is provided with left bulge loop, described left bulge loop is positioned at described inboard of wearing frame, described left spring is enclosed within a described left side and endwisely slips on the bar, one end of this left spring holds out against on described left bulge loop, and the other end of this left spring holds out against described and wears on the frame;
Described right elastic component is right spring, the described right side bar that endwisely slips is provided with right bulge loop, described right bulge loop is positioned at described inboard of wearing frame, described right spring housing is on the described right side endwisely slips bar, one end of this right spring holds out against on described right bulge loop, and the other end of this right spring holds out against described and wears on the frame;
Described left bulge loop and described right bulge loop are symmetrical about the center line about the piece-holder space.
Further, described display screen is LED display.Perhaps described display screen also can be LCD display.
The present invention before use because the elastic acting force of left elastic component and right elastic component, left measurement chuck and right measurement chuck rely on recently, be the original radix value that computing unit in prestore with the numerical value on the display screen this moment.Then the cylinder with gauge pointer is inserted between left measurement chuck and the right measurement chuck, distance between left measurement chuck and the right measurement chuck changes, distance between inductive displacement transducer and the metab changes, thereby inductive displacement transducer measures change in displacement, carry out analog to digital conversion and change into digital signal thereby the displacement variable signal is transferred to AD conversion unit, carry out diameter by computing unit afterwards and calculate: original radix value adds that the twice of the change in displacement value that inductive displacement transducer measures namely is the diameter of the cylinder of current workpiece.Then drive the diameter value that display screen shows the cylinder of current workpiece by driving circuit.
Beneficial effect of the present invention is: can automatically realize the measurement of the diameter of gauge pointer cylinder, greatly heighten measurement efficient, also improve measuring accuracy.
(4) description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of left measuring mechanism of the present invention and right measuring mechanism.
Fig. 3 is electric control schematic diagram of the present invention.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of apparatus for measuring diameter of instrument indicator of automobile comprises metab 1, and what described metab 1 was provided with epirelief wears frame 2.
Also comprise and be positioned at the described left measurement chuck 3 of frame 2 tops, the right measurement chuck 4 worn, form the piece-holder space between described left measurement chuck 3 and the right measurement chuck 4, there is the left side bar 5 that endwisely slips the below of described left measurement chuck 3, there is the right side bar 6 that endwisely slips the below of described right measurement chuck 4, the described left side bar 5 that endwisely slips is connected with described left measurement chuck 3, the described right side bar 6 that endwisely slips is connected with described right measurement chuck 4, and described left side bar 5 and the described right side bar 6 that endwisely slips that endwisely slips all is located in described wearing on the frame 2.
The described left side bar 5 that endwisely slips is provided with left elastic component, and the described right side bar 6 that endwisely slips is provided with right elastic component, and described left elastic component and right elastic component make endwisely slip bar 5 and the right bar 6 that endwisely slips of a described left side have mutually close trend.
Endwisely slip bar 5 of described left measurement chuck 3, left elastic component, a left side consists of left measuring mechanism, endwisely slip bar 6 of described right measurement chuck 4, right elastic component, the right side consists of right measuring mechanism, and described left measuring mechanism and right measuring mechanism are symmetrical about the center line in piece-holder space.
In the present embodiment, described left elastic component is left spring 7, the described left side bar 3 that endwisely slips is provided with left bulge loop 8, described left bulge loop 8 is positioned at described inboard of wearing frame 2, described left spring 7 is enclosed within a described left side and endwisely slips on the bar 3, one end of this left spring 7 holds out against on described left bulge loop 8, and the other end of this left spring 7 holds out against described and wears on the frame 2; Described right elastic component is right spring 9, the described right side bar 6 that endwisely slips is provided with right bulge loop 10, described right bulge loop 10 is positioned at described inboard of wearing frame 2, described right spring 9 is enclosed within the described right side and endwisely slips on the bar 4, one end of this right spring 9 holds out against on described right bulge loop 10, and the other end of this right spring 9 holds out against described and wears on the frame 2; Described left bulge loop 8 and described right bulge loop 10 are symmetrical about the center line about the piece-holder space.
Described left measurement chuck 3 or right measurement chuck 4 are provided with inductive displacement transducer 11, and described inductive displacement transducer 11 is corresponding with described metab.
Also comprise control device, described control device comprises the AD conversion unit 12 that is connected with the output terminal of described inductive displacement transducer 11, be used for carrying out the computing unit 13 that prestores the original radix value when not inserting workpiece, the driving circuit 14 that is used for driving display screen that diameter calculates, be used for carrying out the display screen 15 that diameter data shows, described AD conversion unit 12, computing unit 13, driving circuit 14 and display screen 15 connect successively.Display screen can be LED display, also can be LCD display etc.
Before use, because the elastic acting force of left spring 7 and right spring 9, left measurement chuck 3 and right measurement chuck 4 rely on recently, and be the original radix value that computing unit 13 in prestore with the numerical value on the display screen 15 this moment.Then the cylinder 16 with gauge pointer is inserted between left measurement chuck 3 and the right measurement chuck 4, distance between left measurement chuck 3 and the right measurement chuck 4 changes, distance between inductive displacement transducer 11 and the metab changes, thereby inductive displacement transducer 11 measures change in displacement, carry out analog to digital conversion and change into digital signal thereby the displacement variable signal is transferred to AD conversion unit 12, carry out diameter by computing unit 13 afterwards and calculate: original radix value adds that the twice of the change in displacement value that inductive displacement transducer 11 measures namely is the diameter of the cylinder of current workpiece.Then drive the diameter value that display screen 15 shows the cylinder of current workpiece by driving circuit 14.
Claims (4)
1. an apparatus for measuring diameter of instrument indicator of automobile comprises metab, it is characterized in that: described metab is provided with the frame of wearing of epirelief;
Also comprise and be positioned at described left measurement chuck, the right measurement chuck of wearing the frame top, form the piece-holder space between described left measurement chuck and the right measurement chuck, there is the left side bar that endwisely slips the below of described left measurement chuck, there is the right side bar that endwisely slips the below of described right measurement chuck, the described left side bar that endwisely slips is connected with described left measurement chuck, the described right side bar that endwisely slips is connected with described right measurement chuck, and described left side bar and the described right side bar that endwisely slips that endwisely slips all is located in described wearing on the frame;
The described left side bar that endwisely slips is provided with left elastic component, and the described right side bar that endwisely slips is provided with right elastic component, and described left elastic component and right elastic component make endwisely slip bar and the right bar that endwisely slips of a described left side have mutually close trend;
Described left measurement chuck, left elastic component, the left side bar that endwisely slips consists of left measuring mechanism, described right measurement chuck, right elastic component, the right side bar that endwisely slips consists of right measuring mechanism, and described left measuring mechanism and right measuring mechanism are symmetrical about the center line in piece-holder space;
Described left measurement chuck or right measurement chuck are provided with inductive displacement transducer, and described inductive displacement transducer is corresponding with described metab;
Also comprise control device, described control device comprises the AD conversion unit that is connected with the output terminal of described inductive displacement transducer, be used for carrying out the computing unit that prestores the original radix value when not inserting workpiece, the driving circuit that is used for driving display screen that diameter calculates, be used for carrying out the display screen that diameter data shows, described AD conversion unit, computing unit, driving circuit and display screen connect successively.
2. apparatus for measuring diameter of instrument indicator of automobile as claimed in claim 1, it is characterized in that: described left elastic component is left spring, the described left side bar that endwisely slips is provided with left bulge loop, described left bulge loop is positioned at described inboard of wearing frame, described left spring is enclosed within a described left side and endwisely slips on the bar, one end of this left spring holds out against on described left bulge loop, and the other end of this left spring holds out against described and wears on the frame;
Described right elastic component is right spring, the described right side bar that endwisely slips is provided with right bulge loop, described right bulge loop is positioned at described inboard of wearing frame, described right spring housing is on the described right side endwisely slips bar, one end of this right spring holds out against on described right bulge loop, and the other end of this right spring holds out against described and wears on the frame;
Described left bulge loop and described right bulge loop are symmetrical about the center line in piece-holder space.
3. apparatus for measuring diameter of instrument indicator of automobile as claimed in claim 1 or 2, it is characterized in that: described display screen is LED display.
4. apparatus for measuring diameter of instrument indicator of automobile as claimed in claim 1 or 2, it is characterized in that: described display screen is LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110202729 CN102297649B (en) | 2011-07-18 | 2011-07-18 | Apparatus for measuring diameter of instrument indicator of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110202729 CN102297649B (en) | 2011-07-18 | 2011-07-18 | Apparatus for measuring diameter of instrument indicator of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102297649A CN102297649A (en) | 2011-12-28 |
| CN102297649B true CN102297649B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110202729 Active CN102297649B (en) | 2011-07-18 | 2011-07-18 | Apparatus for measuring diameter of instrument indicator of automobile |
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| CN (1) | CN102297649B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324212A (en) * | 2013-06-05 | 2013-09-25 | 哈尔滨工程大学 | Flight track instrument plotting speed control card based on FPGA |
| CN107350170A (en) * | 2017-06-27 | 2017-11-17 | 湖北省林业科学研究院 | Bamboo and wood material diameter automatic detection device |
| CN109974647A (en) * | 2018-11-30 | 2019-07-05 | 杭州沃镭智能科技股份有限公司 | A kind of measuring device of ABS hydraulic system HCU electromagnetic valve body diameter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093379U (en) * | 1991-06-08 | 1992-01-15 | 上海量具刃具厂 | Electronic numeral display inside micrometer |
| CN2660475Y (en) * | 2003-11-07 | 2004-12-01 | 怀集县汽车配件制造有限责任公司 | Caliber gage |
| CN101975551A (en) * | 2010-09-17 | 2011-02-16 | 中天仕名（徐州）重型机械有限公司 | Capacitive double measuring bar butt joint flatness detector |
| CN202158837U (en) * | 2011-07-18 | 2012-03-07 | 宁波锦辉指针有限公司 | Device for measuring diameter of automobile instrument pointer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20030694A1 (en) * | 2003-11-20 | 2005-05-21 | Marposs Spa | KEY FOR CONTROL OF LINEAR DIMENSIONS OF MECHANICAL PARTS. |
-
2011
- 2011-07-18 CN CN 201110202729 patent/CN102297649B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093379U (en) * | 1991-06-08 | 1992-01-15 | 上海量具刃具厂 | Electronic numeral display inside micrometer |
| CN2660475Y (en) * | 2003-11-07 | 2004-12-01 | 怀集县汽车配件制造有限责任公司 | Caliber gage |
| CN101975551A (en) * | 2010-09-17 | 2011-02-16 | 中天仕名（徐州）重型机械有限公司 | Capacitive double measuring bar butt joint flatness detector |
| CN202158837U (en) * | 2011-07-18 | 2012-03-07 | 宁波锦辉指针有限公司 | Device for measuring diameter of automobile instrument pointer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102297649A (en) | 2011-12-28 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20111228 Assignee: Ningbo Jinhui Auto Parts Co.,Ltd. Assignor: Ningbo Jinhui Pointer Co.,Ltd. Contract record no.: X2021330000136 Denomination of invention: A pointer diameter measuring instrument for automobile instrument Granted publication date: 20130123 License type: Exclusive License Record date: 20210828 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231208 Address after: 315300 No.168, Xinxing 2nd Road, Cixi hi tech Industrial Development Zone, Ningbo City, Zhejiang Province Patentee after: NINGBO JINHUI OPTICAL TECHNOLOGY Co.,Ltd. Address before: No. 110 Chaoxiwu, Dongfan Village, Henghe Town, Cixi City, Zhejiang Province, 315318 Patentee before: Ningbo Jinhui Pointer Co.,Ltd. |
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| TR01 | Transfer of patent right |