CN102679849A - Depth detection device of valve spring seat holes of engine cylinder covers and detection method thereof - Google Patents
Depth detection device of valve spring seat holes of engine cylinder covers and detection method thereof Download PDFInfo
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- CN102679849A CN102679849A CN2012101838750A CN201210183875A CN102679849A CN 102679849 A CN102679849 A CN 102679849A CN 2012101838750 A CN2012101838750 A CN 2012101838750A CN 201210183875 A CN201210183875 A CN 201210183875A CN 102679849 A CN102679849 A CN 102679849A
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- sleeve pipe
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- seat hole
- cotter seat
- depth
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Abstract
The invention discloses a depth detection device of valve spring seat holes of engine cylinder covers and a detection method thereof. The detection device comprises a sleeving, a detection rod and a dial indicator, wherein the detection rod is inserted into the sleeving from one end and is connected to the sleeving in a sliding mode, the dial indicator is inserted into the sleeving from the other end and is fixedly connected to the sleeving, a dial indicator probe in the sleeving abuts against the end portion of the detection rod tightly, the sleeving is matched with a valve spring seat hole, and the sleeving is inserted and fixed in the valve spring seat hole during detection. Compared with the prior art, the depth detection device is simple in structure, small, exquisite and flexible, and convenient to operate; during detection, only a cylinder cover to be detected is needed to be placed on a detection platform, then the detection device detects corresponding spring seat holes needed to be detected in sequence, and the detection precision of the detection device is higher than that of a depth indicator; in addition, the process of detection method using the detection device is simple, the operation is convenient and efficient, staff for detecting the product can operate the detection device directly without training, and the detection efficiency is high.
Description
Technical field
The present invention relates to a kind of pick-up unit, specifically, the present invention relates to a kind of engine cylinder cover cotter seat hole depth cubing and detection method thereof.
Background technology
In automobile engine cylinder head machining; The cotter seat hole is one of critical size of cylinder cap; This position manufacturing tolerance particularly depth error will directly have influence on the sealing effectiveness of engine valve head when the tail-off valve, so the degree of depth in cotter seat hole also is one of leading indicator of check engine quality.It is to adopt pit gauge to measure that traditional cotter seat hole depth detects; When but pit gauge is measured since in the measuring position human factor influence bigger; The measuring accuracy of pit gauge self is low excessively in addition; Making this measuring error usually overproof, is a very big difficult problem so how to reduce this error.
In addition; Because the position in engine cylinder cover cotter seat hole tilts; Detecting this position is again single detecting with pit gauge; So because the generation of various errors can make the position deviation of spring base hole bigger, even situation such as air leakage is not up to standard when causing the tail-off valve, and detection efficiency is also low.
Summary of the invention
Technical matters to be solved by this invention provides a kind of engine cylinder cover cotter seat hole depth cubing, to reach the purpose of the accuracy of detection that improves the detection of cotter seat hole depth.
In order to solve the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of engine cylinder cover cotter seat hole depth cubing; Be used for the degree of depth in the cotter seat hole on the cylinder cap is detected; Said cubing comprises sleeve pipe, insert and be slidingly connected at the test rod on the sleeve pipe and insert from the other end of sleeve pipe from an end of sleeve pipe and be fixedly connected on the dial gauge on the sleeve pipe, and the dial gauge probe pushes against the end at test rod at inside pipe casing, and sleeve pipe matches with the cotter seat hole; When detecting, sleeve pipe inserts and is fixed in the cotter seat hole.
Said test rod is slidingly connected on the sleeve pipe through spacer pin, on sleeve pipe, is provided with the chute adaptive with spacer pin.
The end of stretching out at said test rod is provided with detection probe.
Said dial gauge is fixedly connected on the said sleeve pipe through holding screw.
Another technical matters to be solved by this invention provides a kind of detection method of engine cylinder cover cotter seat hole depth cubing, and the step of this detection method is following:
When detecting; At first be placed on cylinder cap to be checked on the detection platform, then test rod be inserted in the cotter seat hole, be fixedly mounted on dial gauge on the sleeve pipe again; Along with going deep into of test rod; The end that test rod is positioned at sleeve pipe can push against on the dial gauge probe, and can show this cotter seat hole this moment on dial gauge depth data carries out the detection in next cotter seat hole afterwards; Because sleeve pipe matches with the cotter seat hole, sleeve pipe can insert and be fixed in the cotter seat hole.
In above-mentioned steps, the end of stretching out of test rod is equipped with detection probe, with the degree of accuracy of enhancing detection.
The present invention adopts technique scheme, and compared with prior art, this degree of depth cubing is simple in structure; Small and exquisite flexible, easy to operate, this degree of depth cubing is made the form that matches with cylinder cap air valve spring seat hole site; Can directly be inserted on the cotter seat hole, make cubing can reflect the requirement of the obliquity in cotter seat hole, only need during detection to be placed on cylinder cap to be checked above the detection platform; Successively each spring base hole that need detect of correspondence with degree of depth cubing then, if position, underproof hole is arranged, this device just can detect quickly and easily; With respect to pit gauge, detection efficiency of this cubing and accuracy of detection are high; In addition, adopt the detection method process of this degree of depth cubing simple, easy to operate efficient, and the employee who detects this product need not training especially can operation on duty, and detection efficiency is high.
Description of drawings
Fig. 1 is the structural representation of degree of depth cubing of the present invention;
Mark among the above-mentioned figure is: 1, dial gauge; 2, holding screw; 3, sleeve pipe; 4, spacer pin; 5, test rod; 6, detection probe.
Embodiment
Be illustrated in figure 1 as a kind of engine cylinder cover cotter seat hole depth cubing of the present invention, be used for the degree of depth in the cotter seat hole on the cylinder cap is detected.In order to solve existing problem in the prior art; This degree of depth cubing comprises sleeve pipe 3, insert and be slidingly connected at the test rod 5 on the sleeve pipe 3 and insert from the other end of sleeve pipe 3 from an end of sleeve pipe 3 and be fixedly connected on the dial gauge 1 on the sleeve pipe 3; Has the dial gauge probe on the dial gauge 1; The dial gauge probe pushes against in the end of test rod 5 in sleeve pipe 3 inside, and sleeve pipe 3 matches with the cotter seat hole, when detecting; Sleeve pipe 3 can directly insert and be fixed in the cotter seat hole, so that cubing can reflect the requirement of the obliquity in cotter seat hole.Like this, just can be inserted into the degree of depth that the hole is detected in cotter seat hole in the engine cylinder cover with this cubing.In the whole device, the precision of sleeve pipe 3 and test rod 5 and position dimension all must strictly limit so that play the technical requirement that accuracy of detection meets product.
Compared with prior art, this degree of depth cubing is simple in structure, and is small and exquisite flexible; Easy to operate, this degree of depth cubing is made the form that matches with cylinder cap air valve spring seat hole site, can directly be inserted on the cotter seat hole; Make cubing can reflect the requirement of the obliquity in cotter seat hole, only need during detection to be placed on cylinder cap to be checked above the detection platform, successively each spring base hole that need detect of correspondence with degree of depth cubing then; If position, underproof hole is arranged; This device just can detect quickly and easily, and with respect to pit gauge, this cubing has the detection efficiency height, detects the advantage that error is little, accuracy of detection is high.
As shown in Figure 1, test rod 5 is slidingly connected on the sleeve pipe 3 through spacer pin 4, on sleeve pipe 3, is provided with the chute adaptive with spacer pin 4.
As shown in Figure 1, be provided with detection probe 6 in the end that test rod 5 stretches out, this detection probe 6 is a steel ball, to improve the degree of accuracy that detects.
As shown in Figure 1, dial gauge 1 is fixedly connected on the sleeve pipe 3 through holding screw 2, dismantles, tightens convenient and simple.
The present invention has also announced a kind of detection method of engine cylinder cover cotter seat hole depth cubing, and the step of this detection method is following:
When detecting; At first be placed on cylinder cap to be checked on the detection platform, then test rod 5 be inserted in the cotter seat hole, be fixedly mounted on dial gauge 1 on the sleeve pipe 3 again; Along with going deep into of test rod 5; The end that test rod 5 is positioned at sleeve pipe 3 can push against on the dial gauge probe, and can show this cotter seat hole this moment on dial gauge 1 depth data carries out the detection in next cotter seat hole afterwards; Because sleeve pipe 3 matches with the cotter seat hole, sleeve pipe 3 can insert and be fixed in the cotter seat hole.
In above-mentioned steps, the end of stretching out of test rod 5 is equipped with detection probe 6, with the degree of accuracy of enhancing detection.
Above-mentioned detection method process is simple, and is easy to operate efficient, and accuracy of detection is high, and detection efficiency is high, and the employee who detects this product need not training especially can operation on duty.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (6)
1. engine cylinder cover cotter seat hole depth cubing; Be used for the degree of depth in the cotter seat hole on the cylinder cap is detected; It is characterized in that: said cubing comprises sleeve pipe (3), insert and be slidingly connected at the test rod (5) on the sleeve pipe (3) and insert from the other end of sleeve pipe (3) from an end of sleeve pipe (3) and be fixedly connected on the dial gauge (1) on the sleeve pipe (3); The dial gauge probe pushes against the end in test rod (5) in sleeve pipe (3) inside; Sleeve pipe (3) matches with the cotter seat hole, and when detecting, sleeve pipe (3) inserts and is fixed in the cotter seat hole.
2. engine cylinder cover cotter seat hole depth cubing according to claim 1 is characterized in that: said test rod (5) is slidingly connected on the sleeve pipe (3) through spacer pin (4), on sleeve pipe (3), is provided with and the adaptive chute of spacer pin (4).
3. engine cylinder cover cotter seat hole depth cubing according to claim 1 and 2 is characterized in that: be provided with detection probe (6) in the end that said test rod (5) stretches out.
4. engine cylinder cover cotter seat hole depth cubing according to claim 3, it is characterized in that: said dial gauge (1) is fixedly connected on the said sleeve pipe (3) through holding screw (2).
5. the detection method of a kind of engine cylinder cover cotter seat hole depth cubing according to claim 1, it is characterized in that: the step of this detection method is following:
When detecting; At first be placed on cylinder cap to be checked on the detection platform, then test rod (5) be inserted in the cotter seat hole, be fixedly mounted on dial gauge (1) on the sleeve pipe (3) again; Along with going deep into of test rod (5); The end that test rod (5) is positioned at sleeve pipe (3) can push against on the dial gauge probe, and can go up the depth data that shows this cotter seat hole this moment at dial gauge (1), carries out the detection in next cotter seat hole afterwards; Because sleeve pipe (3) matches with the cotter seat hole, sleeve pipe (3) can insert and be fixed in the cotter seat hole.
6. the detection method of a kind of engine cylinder cover cotter seat hole depth cubing according to claim 5 is characterized in that: in the end of stretching out of test rod (5) detection probe (6) is installed, with the degree of accuracy of enhancing detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101838750A CN102679849A (en) | 2012-06-06 | 2012-06-06 | Depth detection device of valve spring seat holes of engine cylinder covers and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101838750A CN102679849A (en) | 2012-06-06 | 2012-06-06 | Depth detection device of valve spring seat holes of engine cylinder covers and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102679849A true CN102679849A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101838750A Pending CN102679849A (en) | 2012-06-06 | 2012-06-06 | Depth detection device of valve spring seat holes of engine cylinder covers and detection method thereof |
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| Country | Link |
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| CN (1) | CN102679849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997878A (en) * | 2012-11-18 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | Multifunctional scanning gauge |
| CN104913707A (en) * | 2015-01-14 | 2015-09-16 | 苏州市职业大学 | Digital display type depth detection device |
| CN105466304A (en) * | 2015-12-25 | 2016-04-06 | 四川航天世东汽车部件有限公司 | Detection tool for automobile spring seats |
| CN108061504A (en) * | 2017-11-29 | 2018-05-22 | 河北华北柴油机有限责任公司 | A kind of clearance measurement tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216585A (en) * | 1978-09-26 | 1980-08-12 | Hi-Shear Corporation | Depth gage |
| CN101726234A (en) * | 2008-10-10 | 2010-06-09 | 江苏飞船股份有限公司 | Precise detector for center hole at shaft end |
| US20110000344A1 (en) * | 2009-07-01 | 2011-01-06 | Jeremy Summers | Depth gauge and adjustment tool for adjustable fastener receptacles and method |
| CN101975539A (en) * | 2010-09-02 | 2011-02-16 | 浙江华益机械有限公司 | Taper hole detector |
| CN101975538A (en) * | 2010-09-01 | 2011-02-16 | 芜湖佳先传动轴有限公司 | Central hole detector of constant velocity cardan joint drive shaft assembly |
| CN202676104U (en) * | 2012-06-06 | 2013-01-16 | 芜湖永裕汽车工业有限公司 | Engine cylinder cover air valve spring seat hole depth degree testing fixture |
-
2012
- 2012-06-06 CN CN2012101838750A patent/CN102679849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216585A (en) * | 1978-09-26 | 1980-08-12 | Hi-Shear Corporation | Depth gage |
| CN101726234A (en) * | 2008-10-10 | 2010-06-09 | 江苏飞船股份有限公司 | Precise detector for center hole at shaft end |
| US20110000344A1 (en) * | 2009-07-01 | 2011-01-06 | Jeremy Summers | Depth gauge and adjustment tool for adjustable fastener receptacles and method |
| CN101975538A (en) * | 2010-09-01 | 2011-02-16 | 芜湖佳先传动轴有限公司 | Central hole detector of constant velocity cardan joint drive shaft assembly |
| CN101975539A (en) * | 2010-09-02 | 2011-02-16 | 浙江华益机械有限公司 | Taper hole detector |
| CN202676104U (en) * | 2012-06-06 | 2013-01-16 | 芜湖永裕汽车工业有限公司 | Engine cylinder cover air valve spring seat hole depth degree testing fixture |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997878A (en) * | 2012-11-18 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | Multifunctional scanning gauge |
| CN104913707A (en) * | 2015-01-14 | 2015-09-16 | 苏州市职业大学 | Digital display type depth detection device |
| CN105466304A (en) * | 2015-12-25 | 2016-04-06 | 四川航天世东汽车部件有限公司 | Detection tool for automobile spring seats |
| CN108061504A (en) * | 2017-11-29 | 2018-05-22 | 河北华北柴油机有限责任公司 | A kind of clearance measurement tool |
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Application publication date: 20120919 |