CN101206107A - Check tool for measuring length of vehicle differential gear shell and measuring method - Google Patents
Check tool for measuring length of vehicle differential gear shell and measuring method Download PDFInfo
- Publication number
- CN101206107A CN101206107A CNA2007101689539A CN200710168953A CN101206107A CN 101206107 A CN101206107 A CN 101206107A CN A2007101689539 A CNA2007101689539 A CN A2007101689539A CN 200710168953 A CN200710168953 A CN 200710168953A CN 101206107 A CN101206107 A CN 101206107A
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- Prior art keywords
- length
- dial gauge
- measuring
- lever indicator
- dial
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the mechanical processing measuring instrument field and relates to a measurement checking fixture and a measuring method for automobile differential shell length. The invention comprises a dial test indicator (6) and a dial indicator (3), and is characterized in that: a locating supporting column (1) and an intermediate measuring rod (2) are respectively connected with a checking fixture base (8), the upper end plane of the locating supporting column (1) is a locating surface, the dial test indicator (6) is connected with the checking fixture base (8) through a clamping device (7), a contact of the dial test indicator (6) contacts the end surface of a measurement body during the measurement, the dial indicator (3) is connected with a L1 length detection device (4) through a clamping device; the L1 length detection device (4) is placed on the upper plane of a L2 length standard body during the calibration and is placed on the end surface of an upper measurement body during the measurement. After the two dial indicators are calibrated, an automobile differential shell assembly is placed on the locating supporting column through a supporting column at the middle of the checking fixture base. The bearing neck of the differential on the upper end is placed into a detection device, and the data read into the two dial indicators is the distance from the end surfaces of the two necks to a flange. The checking fixture has convenient use, correct read, small error, continuous detection and quick detection speed.
Description
Technical field
The invention belongs to the machining fields of measurement, relate to a kind of check tool for measuring length of vehicle differential gear shell and measuring method.
Background technology
During the assembling of automobile differential assembly, the product of some model adopts the pad adjusting play to assemble, and therefore, differential mechanism two bearings neck finish to the contacted flange face of differential mechanism back axle driven gear has strict tolerance.Measuring method has two kinds: 1, the height chi is measured, and its shortcoming is: measures time-consumingly, error can take place in reading, calculate, and final possible length dimension is inaccurate, and the time-consuming batch process that is not easy to the automobile differential assembly; 2, three coordinate measuring machine is measured, and its shortcoming is: measurement will be got point measurement, and is time-consuming equally, three coordinate measuring machine cost height, the continuous coverage when also inconvenient processing line is produced.
Therefore, design a kind of appliance special for detecting and detection speed method fast, that can be at any time continuously continuous coverage be carried out in the automobile differential housing assy of production line production and seem particularly necessary.
Summary of the invention
One of purpose of the present invention is just providing a kind of detection speed measurement cubing that continuous coverage is carried out in automobile differential housing assy fast, that produce on can be at any time continuously to production line.
Purpose of the present invention two just in the measuring method that a kind of described measurement cubing is provided.
One of purpose of the present invention is achieved in that it comprises lever indicator and dial gauge, positioning pillars is connected with the cubing seat respectively with middle sounding rod, the last transverse plane of positioning pillars is a locating surface, lever indicator is connected with the cubing seat by clamp device, contact with the measuring body end face when contact of lever indicator is measured, dial gauge is by clamp device and L
1Device for detecting length connects; Timing, L
1Device for detecting length is placed on L
2On the length standard body on the plane, during measurement, L
1Device for detecting length is placed on the measuring body end face.
Two of purpose of the present invention is achieved in that proofreaies and correct measurement mechanism on the cubing and dial gauge earlier, with L
2The length standard body is put into cubing, and lever indicator is connected with the lever indicator clamp device, and lever indicator is proofreaied and correct, and pointer is to zero; Again dial gauge is connected L with the dial gauge clamp device
1Length-measuring appliance is placed on L
2On the plane, dial gauge is proofreaied and correct on the length standard body, pointer is to zero; After dial gauge is proofreaied and correct up and down, take out L
2The length standard body, L
1, L
2Be standard size length; The automobile differential housing assy is placed on three positioning pillars on the cubing seat by the middle sounding rod on the cubing seat locatees; L
1Device for detecting length is placed on automobile differential housing assy upper shaft and holds on the neck, on the plane, the middle sounding rod top of dial gauge contact contact, the dial gauge pointer deflects zero, and the data of indication are and the error of standard length, are the distance error of bearing neck end surface to flange face; Same lower end lever indicator contact contact bottom end bearing neck finish is read in data and is the distance of another collar end face to flange face.
Automobile differential housing assy length cubing of the present invention is easy to use, and reading is correct, and error is little, the energy continuous detecting, and detection speed is fast, and cost of manufacture is cheap.
Description of drawings
Fig. 1, calibration synoptic diagram of the present invention.
Fig. 2, the present invention detect synoptic diagram.
Among the figure: L
1, L
2For measuring fiducial mark
Embodiment
Embodiment 1: it comprises cubing seat 8, positioning pillars 1, middle sounding rod 2, lever indicator 6, clamp device 7, L to measure cubing
2Length standard body 5, L
1Device for detecting length 4 and dial gauge 3, positioning pillars 1 is connected with cubing seat 8 respectively with middle sounding rod 2, positioning pillars 1 is set to 3, the last transverse plane of positioning pillars 1 is a locating surface, the locating surface of 3 positioning pillars 1 is on same surface level, lever indicator 6 is connected with cubing seat 8 by clamp device 7, and the contact of lever indicator 6 contacts with the measuring body end face, and dial gauge 3 is by clamp device and L
1Device for detecting length 4 connects timing, L
1Device for detecting length 4 is placed on L
2On the length standard body on the plane, during measurement, L
1Device for detecting length 4 is placed on the upper end bearing neck of automobile differential housing assy 9.
Measuring method is: earlier measurement mechanism on the cubing and dial gauge are proofreaied and correct, with L
2The length standard body is put into cubing, and lever indicator is connected with the lever indicator clamp device, and lever indicator is proofreaied and correct, and pointer is to zero; Again dial gauge is connected L with the dial gauge clamp device
1Length-measuring appliance is placed on L
2On the plane, dial gauge is proofreaied and correct on the length standard body, pointer is to zero; After dial gauge is proofreaied and correct up and down, take out L
2The length standard body, L
1, L
2Be standard size length; The automobile differential housing assy is placed on three positioning pillars on the cubing seat by the middle sounding rod on the cubing seat; L
1Device for detecting length is placed on automobile differential housing assy upper shaft and holds on the neck, on the plane, the middle sounding rod top of dial gauge contact contact, the dial gauge pointer deflects zero, and the data of indication are and the error of standard length, are the distance error of bearing neck end surface to flange face; Same lower end lever indicator contact contact bottom end bearing neck finish is read in data and is the distance of another bearing neck end surface to flange face.
Claims (2)
1. check tool for measuring length of vehicle differential gear shell, it comprises lever indicator (6) and dial gauge (3), it is characterized in that: positioning pillars (1) is connected with cubing seat (8) respectively with middle sounding rod (2), the last transverse plane of positioning pillars (1) is a locating surface, lever indicator (6) is connected with cubing seat (8) by clamp device (7), contact with the measuring body end face when contact of lever indicator (6) is measured, dial gauge (3) is by clamp device and L
1Device for detecting length (4) connects; Timing, L
1Device for detecting length (4) is placed on L
2On the length standard body on the plane, during measurement, L
1Device for detecting length (4) is placed on the measuring body end face.
2. the measuring method of a kind of check tool for measuring length of vehicle differential gear shell according to claim 1 is characterized in that: earlier measurement mechanism on the cubing and dial gauge are proofreaied and correct, with L
2The length standard body is put into cubing, and lever indicator is connected with the lever indicator clamp device, and lever indicator is proofreaied and correct, and pointer is to zero; Again dial gauge is connected L with the dial gauge clamp device
1Length-measuring appliance is placed on L
2On the plane, dial gauge is proofreaied and correct on the length standard body, pointer is to zero; After dial gauge is proofreaied and correct up and down, take out L
2The length standard body, L
1, L
2Be standard size length; The automobile differential housing assy is placed on three positioning pillars on the cubing seat by the middle sounding rod on the cubing seat locatees; L
1Device for detecting length is placed on automobile differential housing assy upper shaft and holds on the neck, on the plane, the middle sounding rod top of dial gauge contact contact, the dial gauge pointer deflects zero, and the data of indication are and the error of standard length, are the distance error of bearing neck end surface to flange face; Same lower end lever indicator contact contact bottom end bearing neck finish is read in data and is the distance of another collar end face to flange face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101689539A CN101206107A (en) | 2007-12-15 | 2007-12-15 | Check tool for measuring length of vehicle differential gear shell and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101689539A CN101206107A (en) | 2007-12-15 | 2007-12-15 | Check tool for measuring length of vehicle differential gear shell and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101206107A true CN101206107A (en) | 2008-06-25 |
Family
ID=39566483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101689539A Pending CN101206107A (en) | 2007-12-15 | 2007-12-15 | Check tool for measuring length of vehicle differential gear shell and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101206107A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557766A (en) * | 2013-11-18 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Welding structure guide vane channel measurement method and device |
| CN108955459A (en) * | 2018-08-03 | 2018-12-07 | 青岛华瑞汽车零部件股份有限公司 | A kind of detection method of cubing and differential assembly precision |
-
2007
- 2007-12-15 CN CNA2007101689539A patent/CN101206107A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557766A (en) * | 2013-11-18 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Welding structure guide vane channel measurement method and device |
| CN103557766B (en) * | 2013-11-18 | 2016-03-30 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of welded structure guide vane channel measurement method and device |
| CN108955459A (en) * | 2018-08-03 | 2018-12-07 | 青岛华瑞汽车零部件股份有限公司 | A kind of detection method of cubing and differential assembly precision |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |