CN102692168A - Device and method for detecting position degree of valve guide pipe holes of cylinder cover of engine - Google Patents

Device and method for detecting position degree of valve guide pipe holes of cylinder cover of engine Download PDF

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Publication number
CN102692168A
CN102692168A CN201210183517XA CN201210183517A CN102692168A CN 102692168 A CN102692168 A CN 102692168A CN 201210183517X A CN201210183517X A CN 201210183517XA CN 201210183517 A CN201210183517 A CN 201210183517A CN 102692168 A CN102692168 A CN 102692168A
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CN
China
Prior art keywords
detection
hole
valve guide
template
cylinder cap
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CN201210183517XA
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Chinese (zh)
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CN102692168B (en
Inventor
郑志勋
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芜湖永裕汽车工业有限公司
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Publication of CN102692168A publication Critical patent/CN102692168A/en
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Publication of CN102692168B publication Critical patent/CN102692168B/en

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Abstract

The invention discloses a device for detecting the position degree of valve guide pipe holes of a cylinder cover of an engine. The device comprises a detection mandrel and a detection template, wherein detection holes of which the quantity is the same as that of the valve guide pipe holes on the cylinder cover and which are aligned with the valve guide pipe holes on the cylinder cover and are used for inserting the detection mandrel are formed in the detection template; and the detection template is positioned on the bottom surface of the cylinder cover through a positioning mechanism during detection. Compared with the prior art, the invention has the advantages that the device has a simple structure and is convenient to operate; unqualified hole positions can be quickly and simply detected by the device; compared with the traditional detection method, the method has the advantages that the detection accuracy is high, the accumulated error generated during detection is reduced, and the detection efficiency is also high; and in addition, by the detection method for the device, the process is simple, the method can be conveniently and efficiently operated, employees who detect products can operate the device without training, and the detection efficiency is high.

Description

A kind of engine cylinder cover valve guide bushing hole site degree pick-up unit and detection method thereof

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 valve guide bushing hole site degree pick-up unit and detection method thereof.

Background technology

At present; In automobile engine cylinder head machining; Valve guide hole many (the twin cam shaft cylinder head is more), the various errors that add man-hour can make the position deviation of indivedual guide holes bigger, cause the positional precision when on cylinder cap, assembling valve guide rod low excessively; Even cause the part guide rod owing to error makes the relatively poor situation that influences the efficiency of internal combustion engine of valve sealing property, so need the position degree of guide hole be detected.According to traditional head valve conduit hole location detection method is only to detect the position degree of single guide hole; And whether the cumulative errors that produces can't guarantee the detection between a plurality of guide holes the time satisfies the requirement that the valve guide rod exact position is installed, and is a very big difficult problem so how to reduce this cumulative errors.

Summary of the invention

Technical matters to be solved by this invention provides a kind of engine cylinder cover valve guide bushing hole site degree pick-up unit, to reach the purpose of the cumulative errors that produce when reducing the conduit hole location and detecting.

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 valve guide bushing hole site degree pick-up unit; Comprise and detect mandrel and detect template; Detect be provided with on the template with cylinder cap on the said detection mandrel of valve guide hole number confession identical and aligned in position the detection hole of inserting, when detecting, detect template and be positioned on the bottom surface of cylinder cap through detent mechanism.

Said detent mechanism comprises two register pins; The location division of one of them register pin is cylindrical; The location division of another register pin is a rhombus, respectively is provided with a pilot hole at the two ends of said detection template accordingly, in the choosing of the bottom surface of said cylinder cap the hole adaptive with register pin is arranged.

In said detection hole and pilot hole, be equipped with lining.

Another technical matters to be solved by this invention provides the detection method of a kind of engine cylinder cover valve guide bushing hole site degree pick-up unit, and the step of this detection method is following:

When detecting; At first be inverted cylinder cap to be checked and be placed on the detection platform; The bottom surface of cylinder cap is provided with up, is placed on the bottom surface of cylinder cap detecting template, and positions through detent mechanism; Make the detection hole and the valve guide hole aligned in position of cylinder cap bottom surface detected on the template, will detect mandrel afterwards and insert successively respectively to detect in the hole valve guide hole is carried out position degree detection.

In above-mentioned steps; The said detent mechanism that said detection template is positioned comprises two register pins, and the location division of one of them register pin is cylindrical, and the location division of another register pin is a rhombus; Respectively be provided with a pilot hole at the two ends of detecting template accordingly; In the choosing of the bottom surface of said cylinder cap the hole adaptive with register pin arranged, when the location, be placed on the bottom surface of cylinder cap detecting template; Insert two register pins in pilot hole, and the position of suitably regulating cylinder cap as required makes and detects the hole and accurately align with the valve guide bushing hole site of cylinder cap bottom surface.

The present invention adopts technique scheme, and compared with prior art, this pick-up unit is simple in structure; Easy to operate, as long as be inserted into a special-purpose detection mandrel and detect on the template in the corresponding detection hole, the form that matches with valve guide bushing hole site, cylinder cap bottom surface is arranged in the detection hole of the detection template of this pick-up unit when detecting at every turn; And this detects template and is enclosed within on the cylinder bottom surface consistent with the valve guide hole machining benchmark, only needs during detection to be enclosed within pick-up unit on the cylinder head bottom surface to be checked, is inserted into each valve guide hole that need detect to the detection mandrel of special use successively then and detects; If position, underproof hole is arranged; This device just can detect fast simply, and with respect to traditional detection method, not only accuracy of detection is high; The cumulative errors of generation when having reduced to detect, and detection efficiency is also high; In addition, adopt this Device Testing procedure simple, easy to operate efficient, make the employee who detects this product need not training especially and get final product operation on duty, and detection efficiency is high.

Description of drawings

Fig. 1 is the structural representation of pick-up unit of the present invention;

Fig. 2 is the structural representation of the detection template of pick-up unit of the present invention;

Mark among the above-mentioned figure is: 1, cylindrical register pin; 2, detect template; 3, detect the hole lining; 4, detect mandrel; 5, pilot hole lining; 6, rhombus register pin; 7, detect the hole; 8, pilot hole.

Embodiment

A kind of engine cylinder cover valve guide bushing of the present invention hole site degree pick-up unit comprises special-purpose detection mandrel 4, detects use in mandrel 4 and the prior art identical.In order to solve the problem that exists in the prior art, as depicted in figs. 1 and 2, this pick-up unit also comprises detection template 2; Detecting template 2 be long strip-board shape, detect be provided with on the template 2 with cylinder cap on the confession identical and aligned in position of valve guide hole number detect the detection hole 7 that mandrel 4 inserts, when detection; Detecting template 2 is positioned on the bottom surface of cylinder cap through detent mechanism; When detecting, cylinder cap is to be inverted to be placed on the detection platform, and the bottom surface of cylinder cap is provided with up.Compared with prior art, this pick-up unit is simple in structure, and is easy to operate; As long as be inserted into a special-purpose detection mandrel 4 and detect on the template 2 in the corresponding detection hole 7, the form that matches with valve guide bushing hole site, cylinder cap bottom surface is arranged in the detection hole 7 of the detection template 2 of this pick-up unit, and this detection template 2 is enclosed within on the cylinder bottom surface consistent with the valve guide hole machining benchmark during each the detection; Only need during detection to be enclosed within pick-up unit on the cylinder head bottom surface to be checked; Be inserted into each valve guide hole that need detect to the detection mandrel 4 of special use successively then and detect, if position, underproof hole is arranged, this device just can detect fast simply; With respect to traditional detection method; Not only accuracy of detection is high, the cumulative errors of generation when having reduced to detect, and also detection efficiency is also high.

As shown in Figure 1; The detent mechanism that detection template 2 is positioned comprises two register pins, and the location division of one of them register pin is cylindrical, is cylindrical register pin 1; The location division of another register pin is a rhombus; Be rhombus register pin 6, respectively be provided with a pilot hole 8 at the two ends of detecting template 2 accordingly, the hole adaptive with register pin arranged in the choosing of the bottom surface of cylinder cap.Adopt the locator meams of a straight pin one rhombus pin, when the location, use register pin will detect template 2 and be positioned on the cylinder cap bottom surface, and suitably regulate the detection hole of detecting on the template 27 as required and accurately coincide, to improve the accuracy that detects with valve guide hole.

As shown in Figure 1; In detecting hole 7 and pilot hole 8, be equipped with lining; Promptly pilot hole lining 5 shown in figure and detection hole lining 3 can in time be changed when the liner wear amount is excessive, with the wearing and tearing of avoiding producing in repeated detection and the installing and locating testing result are caused adverse effect.

The present invention has also announced the detection method of a kind of engine cylinder cover valve guide bushing hole site degree pick-up unit, and the step of this detection method is following:

When detecting; At first be inverted cylinder cap to be checked and be placed on the detection platform; The bottom surface of cylinder cap is provided with up, is placed on the bottom surface of cylinder cap detecting template 2, and positions through detent mechanism; Make the valve guide hole aligned in position of the detection hole 7 detected on the template 2 and cylinder cap bottom surface, will detect mandrel 4 afterwards and insert successively respectively to detect in the hole 7 valve guide hole is carried out position degree detection.

In above-mentioned steps; The detent mechanism that detection template 2 is positioned comprises two register pins, and the location division of one of them register pin is cylindrical, and the location division of another register pin is a rhombus; Respectively be provided with a pilot hole 8 at the two ends of detecting template 2 accordingly; In the choosing of the bottom surface of cylinder cap the hole adaptive with register pin arranged, when the location, be placed on the bottom surface of cylinder cap detecting template 2; Insert two register pins in pilot hole 8, and the position of suitably regulating cylinder cap as required makes and detects hole 7 and accurately align with the valve guide bushing hole site of cylinder cap bottom surface.

Above-mentioned detection method process is simple, and is easy to operate efficient, make the employee who detects this product need not training especially and get final product operation on duty, and detection efficiency is high.

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 (5)

1. engine cylinder cover valve guide bushing hole site degree pick-up unit; Comprise and detect mandrel (4); It is characterized in that: also comprise and detect template (2); Detect be provided with on the template (2) with cylinder cap on the valve guide hole number said detection mandrel of confession identical and aligned in position (4) the detection hole (7) of inserting, when detecting, detect template (2) and be positioned on the bottom surface of cylinder cap through detent mechanism.
2. engine cylinder cover valve guide bushing according to claim 1 hole site degree pick-up unit; It is characterized in that: said detent mechanism comprises two register pins; The location division of one of them register pin is cylindrical; The location division of another register pin is a rhombus, respectively is provided with a pilot hole (8) at the two ends of said detection template (2) accordingly, in the choosing of the bottom surface of said cylinder cap the hole adaptive with register pin is arranged.
3. engine cylinder cover valve guide bushing according to claim 2 hole site degree pick-up unit is characterized in that: in said detection hole (7) and pilot hole (8), be equipped with lining.
4. the detection method of engine cylinder cover valve guide bushing according to claim 1 hole site degree pick-up unit, it is characterized in that: the step of this detection method is following:
When detecting; At first be inverted cylinder cap to be checked and be placed on the detection platform; The bottom surface of cylinder cap is provided with up, will detect template (2) and be placed on the bottom surface of cylinder cap, and position through detent mechanism; Make the valve guide hole aligned in position of the detection hole (7) detected on the template (2) and cylinder cap bottom surface, will detect mandrel (4) afterwards and insert successively respectively to detect in the hole (7) valve guide hole is carried out position degree detection.
5. the detection method of engine cylinder cover valve guide bushing according to claim 4 hole site degree pick-up unit; It is characterized in that: the said detent mechanism that said detection template (2) is positioned comprises two register pins; The location division of one of them register pin is cylindrical; The location division of another register pin is a rhombus, respectively is provided with a pilot hole (8) at the two ends of detecting template (2) accordingly, in the choosing of the bottom surface of said cylinder cap the hole adaptive with register pin is arranged; When the location; To detect template (2) and be placed on the bottom surface of cylinder cap, and insert two register pins in pilot hole (8), and the position of suitably regulating cylinder cap as required makes and detects hole (7) and accurately align with the valve guide bushing hole site of cylinder cap bottom surface.
CN201210183517.XA 2012-06-06 2012-06-06 Device and method for detecting position degree of valve guide pipe holes of cylinder cover of engine CN102692168B (en)

Priority Applications (1)

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CN201210183517.XA CN102692168B (en) 2012-06-06 2012-06-06 Device and method for detecting position degree of valve guide pipe holes of cylinder cover of engine

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Application Number Priority Date Filing Date Title
CN201210183517.XA CN102692168B (en) 2012-06-06 2012-06-06 Device and method for detecting position degree of valve guide pipe holes of cylinder cover of engine

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CN102692168B CN102692168B (en) 2014-12-17

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102967210A (en) * 2012-11-18 2013-03-13 无锡麦铁精密机械制造有限公司 Location degree gauge for crank shaft end-face connecting hole
CN102997826A (en) * 2012-11-16 2013-03-27 无锡麦铁精密机械制造有限公司 Hole coaxiality detecting tool
CN103968735A (en) * 2014-05-26 2014-08-06 苏州博讯仪器有限公司 Detection device for detecting positioning cone body
CN104406480A (en) * 2014-11-18 2015-03-11 成都发动机(集团)有限公司 Method and measuring tool for detecting location degree of densely distributed holes
CN104654961A (en) * 2013-11-15 2015-05-27 芜湖永裕汽车工业有限公司 Engine cylinder cover oil pump mounting surface position degree detection method
CN105066814A (en) * 2015-08-10 2015-11-18 广西玉柴机器股份有限公司 Method for detecting relative position of positioning pinhole and workblank hole of cylinder cover
CN105241341A (en) * 2015-11-10 2016-01-13 长春捷柯技术开发有限公司 Passenger vehicle welding piece intelligent detection stand and application method thereof
CN105571474A (en) * 2014-10-16 2016-05-11 五冶集团上海有限公司 Hole coaxiality inspection method
CN109238074A (en) * 2018-10-30 2019-01-18 广西玉柴机器股份有限公司 A kind of rotary type cylinder head fuel oil hole position accuracy measuring device and its application method
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

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CN101094588A (en) * 2006-06-21 2007-12-26 深圳富泰宏精密工业有限公司 Test clamps
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102997826A (en) * 2012-11-16 2013-03-27 无锡麦铁精密机械制造有限公司 Hole coaxiality detecting tool
CN102967210A (en) * 2012-11-18 2013-03-13 无锡麦铁精密机械制造有限公司 Location degree gauge for crank shaft end-face connecting hole
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
CN104654961A (en) * 2013-11-15 2015-05-27 芜湖永裕汽车工业有限公司 Engine cylinder cover oil pump mounting surface position degree detection method
CN103968735A (en) * 2014-05-26 2014-08-06 苏州博讯仪器有限公司 Detection device for detecting positioning cone body
CN105571474A (en) * 2014-10-16 2016-05-11 五冶集团上海有限公司 Hole coaxiality inspection method
CN104406480A (en) * 2014-11-18 2015-03-11 成都发动机(集团)有限公司 Method and measuring tool for detecting location degree of densely distributed holes
CN105066814A (en) * 2015-08-10 2015-11-18 广西玉柴机器股份有限公司 Method for detecting relative position of positioning pinhole and workblank hole of cylinder cover
CN105241341A (en) * 2015-11-10 2016-01-13 长春捷柯技术开发有限公司 Passenger vehicle welding piece intelligent detection stand and application method thereof
CN105241341B (en) * 2015-11-10 2019-02-15 长春捷柯汽车工艺装备有限公司 A kind of passenger car soldering member intelligent measurement platform and its application method
CN109238074A (en) * 2018-10-30 2019-01-18 广西玉柴机器股份有限公司 A kind of rotary type cylinder head fuel oil hole position accuracy measuring device and its application method
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

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