CN102661695B - The threaded hole position pick-up unit of engine cylinder hd top face and detection method thereof - Google Patents
The threaded hole position pick-up unit of engine cylinder hd top face and detection method thereof Download PDFInfo
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- CN102661695B CN102661695B CN201210142330.5A CN201210142330A CN102661695B CN 102661695 B CN102661695 B CN 102661695B CN 201210142330 A CN201210142330 A CN 201210142330A CN 102661695 B CN102661695 B CN 102661695B
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Abstract
The invention discloses a kind of threaded hole position pick-up unit and detection method thereof of engine cylinder hd top face, pick-up unit comprises plug thread gauge and panel, panel has detect aperture, also comprising the base plate for placing cylinder cap, being located at the detent mechanism that cylinder cap is positioned on base plate and the support supporting described panel, panel is be that parallel state is supported on the end face of support with top surface of cylinder cover, the number of the detect aperture on panel is at least equal with the threaded hole number of top surface of cylinder cover, and the detect aperture on panel is also alignd with each threaded hole respectively.Compared with prior art, this structure of the detecting device is simple, easy to operate, detection efficiency significantly improves, and adopts this device also just to avoid the generation of cumulative errors, improves the accuracy of detection of top surface of cylinder cover threaded hole position, in addition, adopt the detection method process of this device simple, efficiently easy to operate, make the employee of this product of detection get final product operation on duty without the need to training especially.<!--1-->
Description
Technical field
The present invention relates to a kind of threaded hole position pick-up unit and detection method thereof of engine cylinder hd top face.
Background technology
At present, in automobile engine cylinder head machining, end face threaded hole is many, and the various errors adding man-hour can make the position deviation in individual threads hole comparatively large, cause cylinder cap assembly precision too low, even occur the situation that part screw cannot be installed.The detection of traditional top surface of cylinder cover threaded hole position is the position once only detecting single threaded hole, not only detection efficiency is low, also easily produce larger cumulative errors, and cannot ensure whether detect the cumulative errors produced meets installation requirement, the existence of cumulative errors can make the bearing seat that top surface of cylinder cover is installed have very large position deviation, so the generation how reducing this cumulative errors is a very large difficult problem.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of threaded hole position pick-up unit of engine cylinder hd top face, to improve the detection efficiency that threaded hole position detects.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of threaded hole position pick-up unit of engine cylinder hd top face, top surface of cylinder cover is dip plane, pick-up unit comprises plug thread gauge and panel, panel has detect aperture, described pick-up unit also comprises the base plate for placing cylinder cap, be located at the detent mechanism that cylinder cap is positioned on base plate and support the support of described panel, panel is be that parallel state is supported on the end face of support with top surface of cylinder cover, the number of the detect aperture on panel is at least equal with the threaded hole number of top surface of cylinder cover, detect aperture on panel is also alignd with each threaded hole respectively.
Described detent mechanism comprises and is located at spacer pin on described base plate and register pin, and the bottom surface pad of cylinder cap is on spacer pin, and the end face of spacer pin is plane, the hole with register pin adaptation is had in the bottom surface of cylinder cap, register pin has two, and one of them register pin is straight pin, and another register pin is rhombus pin.
Described panel is positioned by two taper bolts be located on the end face of described support, and panel is provided with the pilot hole with this taper bolt adaptation.
Described taper bolt and described support for being threaded, taper bolt by nut tight on support.
Described support is provided with two, lays respectively at the both sides of described cylinder cap, and the end face of support is the dip plane with top surface of cylinder cover with identical inclination angle.
Described support is connected with the reinforcement gusset be fixed on described base plate.
Another technical matters to be solved by this invention is to provide a kind of detection method of threaded hole position pick-up unit of engine cylinder hd top face, it is characterized in that: the step of described detection method is as follows: be well placed pick-up unit, detent mechanism engine cylinder cover being placed on base plate is located, then by panel being is that parallel state is supported on the end face of support with top surface of cylinder cover, detect aperture on panel is alignd with each threaded hole of top surface of cylinder cover respectively, finally using plug thread gauge to insert successively in the detect aperture of panel needs the threaded hole detected to detect to corresponding each.
In above-mentioned steps, described cylinder cap is positioned by the detent mechanism be located on base plate, this detent mechanism comprises and is located at spacer pin on base plate and register pin, the bottom surface pad of cylinder cap is on spacer pin, the end face of spacer pin is plane, the hole with register pin adaptation is had in the bottom surface of cylinder cap, register pin has two, one of them is straight pin, another is rhombus pin, when locating, by the bottom surface pad of cylinder cap on spacer pin, and two register pins are inserted in the corresponding hole of cylinder cover bottom surface, and suitably regulate the position of cylinder cap that cylinder cap is accurately located as required.
In above-mentioned steps, described panel is that two taper bolts on the end face by being located at described support are accurately located, when installation panel, by being enclosed within two taper bolts with the pilot hole of this taper bolt adaptation that panel is arranged.
Adopt technique scheme, compared with prior art, this structure of the detecting device is simple, easy to operate, by arranging the detect aperture with the threaded hole same number of engine cylinder hd top face on panel, when detecting as long as each, plug thread gauge is inserted into the position degree that can detect threaded hole in hole corresponding on panel, detection efficiency significantly improves, and owing to not being that threaded hole one by one detects separately, this device is adopted also just to avoid the generation of cumulative errors, improve the accuracy of detection of top surface of cylinder cover threaded hole position, in addition, adopt the detection method process of this device simple, efficiently easy to operate, the employee of this product of detection is made to get final product operation on duty without the need to training especially.
Accompanying drawing explanation
Fig. 1 is the structural representation of pick-up unit of the present invention;
Mark in above-mentioned figure is: 1, panel; 2, support; 3, cylinder cap; 4, gusset is strengthened; 5, spacer pin; 6, base plate; 7, register pin; 8, nut; 9, taper bolt; 10, plug thread gauge.
Embodiment
As shown in Figure 1, the threaded hole position pick-up unit of a kind of engine cylinder hd top face of the present invention, the end face of this engine cylinder cover 3 is dip plane, end face threaded hole is used for the bearing seat of stationary cam axle, pick-up unit comprises plug thread gauge 10 and panel 1, panel 1 has the detect aperture detected, plug thread gauge 10 is identical with prior art.In order to solve with Problems existing in prior art, improve the detection efficiency of pick-up unit, this pick-up unit has done following improvement.
As shown in Figure 1, this pick-up unit also comprises base plate 6 for placing cylinder cap 3, be located at the support 2 of the detent mechanism positioned cylinder cap 3 on base plate 6 and support panel 1, panel 1 is be that parallel state is supported on the end face of support 2 with cylinder cap 3 end face, the number of the detect aperture on panel 1 is equal with the threaded hole number of cylinder cap 3 end face, and the detect aperture on panel 1 is also alignd with each threaded hole respectively.Compared with prior art, this structure of the detecting device is simple, easy to operate, by arranging the detect aperture with the threaded hole same number of engine cylinder cover 3 end face on panel 1, when detecting as long as each, plug thread gauge 10 is inserted into the position degree that can detect threaded hole in hole corresponding on panel 1, detection efficiency significantly improves, and owing to not being that threaded hole one by one detects separately, adopt this device also just to avoid the generation of cumulative errors, improve the accuracy of detection of cylinder cap 3 end face threaded hole position.
Embodiment 1
As shown in Figure 1, the detent mechanism of pick-up unit comprises and is located at spacer pin 5 on base plate 6 and register pin 7, the bottom surface pad of cylinder cap 3 is on spacer pin 5, spacer pin 5 is provided with four, is arranged in four angles place of cylinder cap 3, and the end face of spacer pin 5 is plane, and flatness is very little, by this design of spacer pin 5, form the stable support to cylinder cap 3, to improve accuracy of detection.In addition, in the bottom surface of cylinder cap 3, choosing has the hole with register pin 7 adaptation, register pin 7 is provided with two of the wherein side layout along cylinder cap 3, one of them register pin 7 is straight pin, another register pin 7 rhombus pin, adopt the locator meams of a straight pin one rhombus pin, when locating, register pin 7 is inserted in the corresponding hole of cylinder cap 3 bottom surface, and suitably regulate the position of cylinder cap 3 that cylinder cap 3 can be made to realize accurate location as required, not only be convenient to the easy to adjust of cylinder cap 3 position, be also convenient to the accuracy improving the detection of cylinder cap 3 end face threaded hole position.
Embodiment 2
As shown in Figure 1, the panel 1 of pick-up unit can be positioned by two taper bolts 9 be located on the end face of support 2, panel 1 is provided with the pilot hole with this taper bolt 9 adaptation, taper bolt 9 can play the effect of wear-compensating, panel 1 is accurately located by these two taper bolts 9, can improve the precision of detection.When installation panel 1, by being enclosed within two taper bolts 9 with the pilot hole of this taper bolt 9 adaptation that panel 1 is arranged.The technology contents of the present embodiment is applicable to the pick-up unit of above-mentioned arbitrary structure.
Embodiment 3
As shown in Figure 1, on the basis of embodiment 2, the taper bolt 9 on support 2 and support 2 are for being threaded, and taper bolt 9 also by nut 8 tight on support 2, like this when after taper bolt 9 excessive wear, is unscrewed nut 8 and can be pulled down taper bolt 9, and it is convenient to change.
Embodiment 4
As shown in Figure 1, the support 2 of pick-up unit parallelly can be provided with two, lay respectively at the both sides of cylinder cap 3, support 2 is placed on base plate 6, support 2 is also fixed by connected reinforcement gusset 4, to guarantee the stable of support 2, improve accuracy of detection further, strengthen gusset 4 and be fastened by bolts on base plate 6.As shown in Figure 1, the end face of support 2 can be the dip plane with cylinder cap 3 end face with identical inclination angle, and taper bolt 9 is vertically located on the end face of support 2, installation and the setting of panel 1 are convenient in such setting, make between panel 1 with cylinder cap 3 end face fully parallel, convenient detection, improves accuracy of detection.The technology contents of the present embodiment is applicable to the pick-up unit of above-mentioned arbitrary structure.
The present invention also disclosed the detection method of the threaded hole position pick-up unit of engine cylinder hd top face as described above, the step of this detection method is as follows: be well placed pick-up unit, detent mechanism engine cylinder cover 3 being placed on base plate 6 is located, then be that parallel state is supported on the end face of support 2 with cylinder cap 3 end face by panel 1, detect aperture on panel 1 is alignd with each threaded hole of cylinder cap 3 end face respectively, and finally using plug thread gauge 10 to insert successively in the detect aperture of panel 1 needs the threaded hole detected to detect to corresponding each.
In above-mentioned steps, described cylinder cap 3 is positioned by the detent mechanism be located on base plate 6, this detent mechanism comprises and is located at spacer pin 5 on base plate 6 and register pin 7, the bottom surface pad of cylinder cap 3 is on spacer pin 5, the end face of spacer pin 5 is plane, the hole with register pin 7 adaptation is had in the bottom surface of cylinder cap 3, register pin 7 has two, one of them is straight pin, another is rhombus pin, when locating, by the bottom surface pad of cylinder cap 3 on spacer pin 5, and make two register pins 7 insert in the corresponding hole of cylinder cap 3 bottom surface, and suitably regulate the position of cylinder cap 3 that cylinder cap 3 is accurately located as required.
In above-mentioned steps, panel 1 is that two taper bolts 9 on the end face by being located at support 2 are accurately located, when installation panel 1, by being enclosed within two taper bolts 9 with the pilot hole of this taper bolt 9 adaptation that panel 1 is arranged.
Above-mentioned detection method process is simple, efficiently easy to operate, makes the employee of this product of detection get final product operation on duty without the need to training especially.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (6)
1. the threaded hole position pick-up unit of an engine cylinder hd top face, top surface of cylinder cover is dip plane, pick-up unit comprises plug thread gauge and panel, panel has detect aperture, it is characterized in that: described pick-up unit also comprises the base plate for placing cylinder cap, be located at the detent mechanism that cylinder cap is positioned on base plate and support the support of described panel, panel is be that parallel state is supported on the end face of support with top surface of cylinder cover, the number of the detect aperture on panel is at least equal with the threaded hole number of top surface of cylinder cover, detect aperture on panel is alignd with each threaded hole respectively, described panel is positioned by two taper bolts be located on the end face of described support, and panel is provided with the pilot hole with this taper bolt adaptation, and taper bolt and described support are for being threaded, described support is provided with two, lays respectively at the both sides of described cylinder cap, and the end face of support is the dip plane with top surface of cylinder cover with identical inclination angle, described detent mechanism comprises and is located at spacer pin on described base plate and register pin, and the bottom surface pad of cylinder cap is on spacer pin, and the end face of spacer pin is plane.
2. the threaded hole position pick-up unit of engine cylinder hd top face according to claim 1, is characterized in that: taper bolt is by nut tight on support.
3. the threaded hole position pick-up unit of engine cylinder hd top face according to claim 2, is characterized in that: it is characterized in that: described support is connected with the reinforcement gusset be fixed on described base plate.
4. the detection method of the threaded hole position pick-up unit of an engine cylinder hd top face according to claim 3, it is characterized in that: the step of described detection method is as follows: be well placed pick-up unit, detent mechanism engine cylinder cover being placed on base plate is located, then by panel being is that parallel state is supported on the end face of support with top surface of cylinder cover, detect aperture on panel is alignd with each threaded hole of top surface of cylinder cover respectively, and finally using plug thread gauge to insert successively in the detect aperture of panel needs the threaded hole detected to detect to corresponding each.
5. detection method according to claim 4, it is characterized in that: described cylinder cap is positioned by the detent mechanism be located on base plate, the hole with register pin adaptation is had in the bottom surface of cylinder cap, register pin has two, and one of them is straight pin, and another is rhombus pin, when locating, by the bottom surface pad of cylinder cap on spacer pin, and two register pins are inserted in the corresponding hole of cylinder cover bottom surface, and suitably regulate the position of cylinder cap that cylinder cap is accurately located as required.
6. the detection method according to claim 4 or 5, it is characterized in that: described panel is that two taper bolts on the end face by being located at described support are accurately located, when installation panel, by being enclosed within two taper bolts with the pilot hole of this taper bolt adaptation that panel is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142330.5A CN102661695B (en) | 2012-05-10 | 2012-05-10 | The threaded hole position pick-up unit of engine cylinder hd top face and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142330.5A CN102661695B (en) | 2012-05-10 | 2012-05-10 | The threaded hole position pick-up unit of engine cylinder hd top face and detection method thereof |
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| Publication Number | Publication Date |
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| CN102661695A CN102661695A (en) | 2012-09-12 |
| CN102661695B true CN102661695B (en) | 2016-01-06 |
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| CN201210142330.5A Active CN102661695B (en) | 2012-05-10 | 2012-05-10 | The threaded hole position pick-up unit of engine cylinder hd top face and detection method thereof |
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| CN103223608B (en) * | 2013-04-27 | 2015-09-16 | 芜湖永裕汽车工业有限公司 | A kind of end face finish-milling fixture being applicable to the gradient engine cylinder cover of band |
| CN104654961B (en) * | 2013-11-15 | 2017-06-30 | 芜湖永裕汽车工业有限公司 | A kind of engine cylinder cover lubricating oil pump mounting surface position degree detection method |
| CN104634215B (en) * | 2013-11-15 | 2017-12-15 | 芜湖永裕汽车工业有限公司 | A kind of engine cylinder cover lubricating oil pump mounting surface position degree detection apparatus |
| CN103743320A (en) * | 2013-12-10 | 2014-04-23 | 东风朝阳朝柴动力有限公司 | Device and method for detecting distance from engine body inclined transmission face to engine body bottom face |
| CN103994706B (en) * | 2014-06-12 | 2016-08-17 | 安徽江淮汽车股份有限公司 | The hole position check tool of plate |
| CN105953691B (en) * | 2016-04-21 | 2018-05-25 | 重庆江增船舶重工有限公司 | Detection device and its detection method with end-tooth workpiece |
| CN105910519A (en) * | 2016-06-29 | 2016-08-31 | 上海华东计算技术研究所实验工厂 | Detection assembly specially used for location degree of mounting hole of irregular part |
| CN109631714A (en) * | 2018-12-17 | 2019-04-16 | 中国航发动力股份有限公司 | A kind of porous series position degree detection method |
| CN111396228B (en) * | 2020-03-06 | 2021-08-06 | 重庆长安汽车股份有限公司 | Ignition angle position checking tool for spark plug |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201392165Y (en) * | 2009-03-27 | 2010-01-27 | 苏州市职业大学 | Position accuracy gage for guide wheel end surface hole |
| CN201754075U (en) * | 2010-07-30 | 2011-03-02 | 广东鸿特精密技术股份有限公司 | Comprehensive detecting device capable of detecting position depth distance |
| CN201837329U (en) * | 2010-09-30 | 2011-05-18 | 南阳飞龙汽车零部件有限公司 | Tool for checking positions of holes of exhaust manifold boost flange |
| CN202195778U (en) * | 2011-08-17 | 2012-04-18 | 勤威(天津)工业有限公司 | Special check fixture used for measuring position of exhaust pipe hole of automobile |
| CN202614125U (en) * | 2012-05-10 | 2012-12-19 | 芜湖永裕汽车工业有限公司 | Threaded hole position detecting device of engine cylinder cover top face |
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