CN101586936B - Cylinder cap virtual crossing point examining tool - Google Patents
Cylinder cap virtual crossing point examining tool Download PDFInfo
- Publication number
- CN101586936B CN101586936B CN2009100873609A CN200910087360A CN101586936B CN 101586936 B CN101586936 B CN 101586936B CN 2009100873609 A CN2009100873609 A CN 2009100873609A CN 200910087360 A CN200910087360 A CN 200910087360A CN 101586936 B CN101586936 B CN 101586936B
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- Prior art keywords
- lever
- measuring staff
- crossing point
- cylinder cap
- hole
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- 238000001514 detection method Methods 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a cylinder cap virtual crossing point examining tool, comprising a body and a measuring bar matched with the body, the middle part of the body is provided with a detecting lever hinged with the body, the inner side of lower end of the detecting lever is contacted with the outer end of a detecting lever of a dial gauge II, the upper end of the measuring bar is provided witha dial gauge I, the middle part of the body is provided with a vertical lever through hole, the detecting lever passes through the lever through hole, the hinged mode of the detecting lever and the body is that the middle part of the detecting lever is provided with a through hole for hinged joint which is in the intermittent fit with a lever pin, the lever pin is rotatablely connected with the lateral wall of the lever through hole. The examining tool can accurately measure the intake valve virtual crossing point, thus guaranteeing the processing quality and improving the engine quality.
Description
Technical field
The present invention relates to a kind of cylinder cap virtual crossing point examining tool, be applied to FL912/913 cylinder cap inlet valve system centre line in the intersection point of firing chamber seam end face field of measuring technique apart from seam center 24.6 ± 0.1 and suction valve cone degree of depth 14.9+0.1.
Background technology
There are certain angle in present FL912/913 cylinder cap inlet valve and firing chamber, but because these two intersection points are bulk, can not measure with conventional method.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of cylinder cap virtual crossing point examining tool is provided, can accurately measure the inlet valve imaginary intersection point, guarantee the crudy of cylinder cap, improved the quality of engine simultaneously.
The present invention is achieved by the following technical solutions:
A kind of cylinder cap virtual crossing point examining tool, comprise body and with the supporting measuring staff of described body, the middle part of described body is provided with the detection lever hinged with body, and the lower end of described detection lever is inboard to contact with the test rod outer end of percentage Table II, and described measuring staff upper end is equipped with dial gauge I.
The middle part of described body can be provided with vertical lever through hole, described detection lever passes described lever through hole, the hinged mode of itself and described body is that described detection lever middle part is provided with the hinged through hole of using, described hingedly intermittently cooperate with lever pin with through hole, described lever pin is screwed on the sidewall of described lever through hole.
Described measuring staff can be provided with the measuring staff contact, and described detection lever is provided with its lower end of tension and makes the inboard back-moving spring of pressing to described measuring staff contact in its upper end, and described back-moving spring one end is fixed on the bottom of described body, and the other end is strained the outside, described lever lower end.
Described measuring staff contact is generally ball.
Described measuring staff lower end can be provided with cylindrical survey cover, and it is outside that described measuring staff contact is positioned at described survey cover.
Can be provided with the holddown spring of described measuring staff contact being pressed to described measurement and positioning point in the described measuring staff.
Described percentage Table II is installed in described body bottom by gauge stand usually.
Described percentage Table II can be provided with and make its test rod outer end press to the extrusion spring of inboard, described detection lever lower end.
Described body upper surface can be provided with the measurement and positioning piece.
Described body upper surface can also be provided with and be positioned at collinear two backing pins.
Because the present invention has adopted lever principle, can contact with the contact of measuring staff by lever one end, promote to contact with the lever other end the dial gauge reading, easy to use, and contact design becomes to be provided with in ball and the measuring staff spring and all can improve the degree of accuracy of measurement effectively, during measurement, measuring staff directly can be inserted and detect in the workpiece, be convenient for measuring, guarantee measuring accuracy.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of looking up of the present invention;
Fig. 3 is a plan structure synoptic diagram of the present invention;
1. structural representation of standard component when Fig. 4 is to use apparatus of the present invention to measure
2. structural representation of standard component when Fig. 5 is to use apparatus of the present invention to measure.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of cylinder cap virtual crossing point examining tool, comprise body 1 and with the supporting measuring staff 2 of described body, the middle part of described body is provided with the detection lever 5 hinged with body, the lower end of described detection lever is inboard to contact with the test rod outer end of dial gauge II4, described measuring staff upper end is equipped with dial gauge I3, and dial gauge I is installed in the measuring staff upper end by screw 17.
The middle part of described body can be provided with vertical lever through hole, described detection lever passes described lever through hole, the hinged mode of itself and described body is that described detection lever middle part is provided with the hinged through hole of using, the described hinged through hole of using intermittently cooperates with lever pin 6, and described lever pin is screwed on the sidewall of described lever through hole.Described lever pin is usually located at the middle part of described lever, can accurately measure.
Described measuring staff can be provided with measuring staff contact 8, described detection lever is provided with its lower end of tension and makes the inboard back-moving spring 7 of pressing to described measuring staff contact in its upper end, described back-moving spring one end is fixed on the bottom of described body, the other end is strained the outside, described lever lower end, and being used to described detection lever to reset provides external force and guarantee that described detection lever closely contacts with the measuring staff contact.Described percentage Table II is installed in described body bottom by gauge stand usually.Described percentage Table II can be provided with and make its test rod outer end press to the extrusion spring of inboard, described detection lever lower end.During measurement, under the effect of extrusion spring and back-moving spring, the upper and lower end inboard of detecting lever is kept in touch respectively with the test rod outer end of measuring staff contact and percentage Table II.
In order to improve measuring accuracy, described measuring staff contact is generally ball.
Measuring required measuring staff assembly comprises measuring staff 5, pin 16, spring 11, surveys cover 10, lining 19 and shows cover 18.Described measuring staff lower end can be provided with cylindrical survey cover 10, and it is outside that described measuring staff contact is positioned at described survey cover.When measuring staff can insert from the ring hole of valve seating, described survey cover cooperates with the ring hole located described measuring staff.
Can be provided with the holddown spring 11 of described measuring staff contact being pressed to described measurement and positioning point in the described measuring staff.Effect by holddown spring guarantees that tested surface contacts well with the measuring staff face, and is that the measuring staff contact closely contacts with measurement and positioning point.
Described body upper surface can be provided with measurement and positioning piece 9.Described measurement and positioning piece adopts dismountable mode to be installed in described body upper surface usually, and it is made by alloy usually.When measuring, under the effect of holddown spring, the bottom surface, contact of described measuring staff closely contacts with described measurement and positioning piece.
Described body upper surface can also be provided with and be positioned at collinear two backing pins 12, and it is used for location mark part 1.
During measurement, at first need (1) zeroing.Load onto the percentage Table II measuring on the body, with standard component 1. 14 by two backing pins location, standard component 1. with lever on end in contact, return to zero the percentage Table II this moment.Measuring staff assembly (containing measuring staff, pin, spring, survey cover) is loaded onto dial gauge I, 2. 15 carry out the demarcation of dial gauge I by standard component.
(2) are measured then.The measuring staff assembly is inserted in the workpiece suction valve cone hole, load onto dial gauge I, the numerical value of noting dial gauge is consistent during with zeroing, then with workpiece by body and loop mapping, and measure behind the insertion rhombus register pin 13.The ball of measuring staff by with the contacting of lever, its percentage Table II can directly be measured 24.6 ± 0.1 position dimensions.If the pointer of Table II is in ± 0.1 scope, then 24.6 size is qualified.Its dial gauge I can directly measure the depth dimensions of 14.9+0.1.If the pointer of Table I is in ± 0.05 scope, then 14.9 size is qualified.
Claims (7)
1. cylinder cap virtual crossing point examining tool, it is characterized in that comprising body and with the supporting measuring staff of described body, the middle part of described body is provided with the detection lever hinged with body, the lower end of described detection lever is inboard to contact with the test rod outer end of dial gauge II, described measuring staff upper end is equipped with the dial gauge I, the middle part of described body is provided with vertical lever through hole, described detection lever passes described lever through hole, the hinged mode of itself and described body is that described detection lever middle part is provided with the hinged through hole of using, described hingedly intermittently cooperate with lever pin with through hole, described lever pin is screwed on the sidewall of described lever through hole, described measuring staff is provided with the measuring staff contact, described detection lever is provided with its lower end of tension and makes the inboard back-moving spring of pressing to described measuring staff contact in its upper end, described back-moving spring one end is fixed on the bottom of described body, the other end is strained the outside, described lever lower end, and described dial gauge II is provided with and makes its test rod outer end press to the extrusion spring of inboard, described detection lever lower end.
2. cylinder cap virtual crossing point examining tool as claimed in claim 1 is characterized in that described measuring staff contact is a ball.
3. cylinder cap virtual crossing point examining tool as claimed in claim 1 or 2 is characterized in that described measuring staff lower end is provided with cylindrical side cover, and it is outside that described measuring staff contact is positioned at described survey cover.
4. cylinder cap virtual crossing point examining tool as claimed in claim 3 is characterized in that being provided with in the described measuring staff holddown spring of described measuring staff contact being pressed to measurement and positioning point.
5. cylinder cap virtual crossing point examining tool as claimed in claim 1 is characterized in that described dial gauge II is installed in described body bottom by gauge stand.
6. cylinder cap virtual crossing point examining tool as claimed in claim 1 is characterized in that described body upper surface is provided with the measurement and positioning piece.
7. cylinder cap virtual crossing point examining tool as claimed in claim 6 is characterized in that described body upper surface also is provided with and is positioned at collinear two backing pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100873609A CN101586936B (en) | 2009-06-23 | 2009-06-23 | Cylinder cap virtual crossing point examining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100873609A CN101586936B (en) | 2009-06-23 | 2009-06-23 | Cylinder cap virtual crossing point examining tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101586936A CN101586936A (en) | 2009-11-25 |
| CN101586936B true CN101586936B (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100873609A Active CN101586936B (en) | 2009-06-23 | 2009-06-23 | Cylinder cap virtual crossing point examining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101586936B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374836A (en) * | 2011-09-28 | 2012-03-14 | 迈凯实金属技术（苏州）有限公司 | Intersection-point detecting measuring tool |
| CN102506663A (en) * | 2011-10-28 | 2012-06-20 | 无锡富瑞德精密机械有限公司 | Valve seat depth measuring mechanism with dial depth gauge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210955A (en) * | 1992-03-13 | 1993-05-18 | Lewis Glenn A | Cylinder bore measuring apparatus |
| CN2646658Y (en) * | 2003-08-14 | 2004-10-06 | 刘建华 | Diameter survey meter for annular slot inside hole |
| CN200975885Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Device for detecting coxiality and verticality of cylinder head pipe hole |
| CN201053860Y (en) * | 2006-12-30 | 2008-04-30 | 广西玉柴机器股份有限公司 | Tool for checking distance from cylinder lid air inlet passage center to bottom |
-
2009
- 2009-06-23 CN CN2009100873609A patent/CN101586936B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210955A (en) * | 1992-03-13 | 1993-05-18 | Lewis Glenn A | Cylinder bore measuring apparatus |
| CN2646658Y (en) * | 2003-08-14 | 2004-10-06 | 刘建华 | Diameter survey meter for annular slot inside hole |
| CN200975885Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Device for detecting coxiality and verticality of cylinder head pipe hole |
| CN201053860Y (en) * | 2006-12-30 | 2008-04-30 | 广西玉柴机器股份有限公司 | Tool for checking distance from cylinder lid air inlet passage center to bottom |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101586936A (en) | 2009-11-25 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 301700 Building 1, No. 36, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Beinei diesel engine (Tianjin) Co.,Ltd. Address before: 100076, Beijing, Fengtai District, Dahongmen, Liuhe Yong Zhuang No. Patentee before: BEIJING BEINEI DIESEL ENGINE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 36 Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin, 301700 Patentee after: Beinei (Tianjin) Technology Co.,Ltd. Country or region after: China Address before: 301700 Building 1, No. 36, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Patentee before: Beinei diesel engine (Tianjin) Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |