CN101586936A - Cylinder cap virtual crossing point examining tool - Google Patents

Cylinder cap virtual crossing point examining tool Download PDF

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Publication number
CN101586936A
CN101586936A CNA2009100873609A CN200910087360A CN101586936A CN 101586936 A CN101586936 A CN 101586936A CN A2009100873609 A CNA2009100873609 A CN A2009100873609A CN 200910087360 A CN200910087360 A CN 200910087360A CN 101586936 A CN101586936 A CN 101586936A
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Prior art keywords
lever
crossing point
cylinder cap
measuring staff
virtual crossing
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CNA2009100873609A
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CN101586936B (en
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刘定瑞
王东坡
秘瑞齐
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Beinei Tianjin Technology Co ltd
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Beijing Beinei Diesel Engine Co Ltd
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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 with a 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

缸盖虚交点检具 Cylinder head virtual intersection inspection tool

技术领域 technical field

本发明涉及一种缸盖虚交点检具，应用于FL912/913缸盖进气门系统中心线在燃烧室止口端面的交点距止口中心24.6±0.1和进气门座深度14.9+0.1的测量技术领域。The invention relates to a cylinder head virtual intersection point inspection tool, which is applied to the FL912/913 cylinder head intake valve system intersection point on the end face of the combustion chamber spigot with a distance of 24.6±0.1 from the spigot center and an intake valve seat depth of 14.9+0.1 The field of measurement technology.

背景技术 Background technique

目前的FL912/913缸盖进气门与燃烧室存在一定的角度，但是由于这两个交点是空间尺寸，不能用常规方法测量。There is a certain angle between the intake valve of the current FL912/913 cylinder head and the combustion chamber, but because these two intersections are spatial dimensions, they cannot be measured by conventional methods.

发明内容 Contents of the invention

本发明的目的在于克服现有技术的缺陷，提供一种缸盖虚交点检具，能够准确测量出进气门虚交点，保证缸盖的加工质量，同时提高了发动机的质量。The object of the present invention is to overcome the defects of the prior art, and provide a cylinder head virtual intersection inspection tool, which can accurately measure the intake valve virtual intersection, ensure the processing quality of the cylinder head, and improve the quality of the engine at the same time.

本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:

一种缸盖虚交点检具，包括本体和与所述本体配套的测杆，所述本体的中部设有与本体铰接的检测杠杆，所述检测杠杆的下端内侧与百分表II的检测杆外端相接触，所述测杆上端安装有百分表I。A cylinder head virtual intersection inspection tool, comprising a body and a measuring rod matched with the body, the middle part of the body is provided with a detection lever hinged with the body, the inner side of the lower end of the detection lever is connected to the detection rod of the dial gauge II The outer ends are in contact with each other, and a dial indicator I is installed on the upper end of the measuring rod.

所述本体的中部可以设有竖向的杠杆通孔，所述检测杠杆穿过所述杠杆通孔，其与所述本体铰接的方式为所述检测杠杆中部设有铰接用通孔，所述铰接用通孔与杠杆销间歇配合，所述杠杆销旋接在所述杠杆通孔的侧壁上。The middle part of the body can be provided with a vertical lever through hole, and the detection lever passes through the lever through hole. The hinged through hole is intermittently matched with the lever pin, and the lever pin is screwed on the side wall of the lever through hole.

所述测杆可以设有测杆触点，所述检测杠杆设有拉紧其下端使其上端内侧压向所述测杆触点的拉紧弹簧，所述拉紧弹簧一端固定在所述本体的下部，另一端拉紧所述杠杆下端外侧。The measuring rod can be provided with a measuring rod contact, and the detection lever is provided with a tension spring that tightens its lower end so that the inner side of the upper end is pressed against the measuring rod contact, and one end of the tension spring is fixed on the body The lower part of the other end tightens the outer side of the lower end of the lever.

所述测杆触点通常为圆珠。The stylus contact is usually a ball.

所述测杆下端可以设有呈圆柱形的测套，所述测杆触点位于所述测套外部。A cylindrical measuring sleeve may be provided at the lower end of the measuring rod, and the contact point of the measuring rod is located outside the measuring sleeve.

所述测杆内可以设有将所述测杆触点压向所述测量定位点的压紧弹簧。A compression spring for pressing the contact point of the measuring rod to the measuring positioning point may be provided in the measuring rod.

所述百分表II通常通过表座安装在所述本体下部。The dial gauge II is usually installed on the lower part of the body through a gauge seat.

所述百分表II可以设有使其检测杆外端压向所述检测杠杆下端内侧的挤压弹簧。Said dial gauge II can be provided with an extruding spring which presses the outer end of the detection rod to the inner side of the lower end of the detection lever.

所述本体上表面可以设有测量定位块。The upper surface of the body may be provided with a measuring positioning block.

所述本体上表面还可以设有位于同一直线的两个挡销。The upper surface of the body may also be provided with two stop pins located on the same straight line.

由于本发明采用了杠杆原理，可以通过杠杆一端与测杆的触点接触，推动与杠杆另一端接触的的百分表读数，便于使用，而触点设计成圆珠且测杆内设有弹簧均可以有效地提高测量的精确度，测量时，可以将测杆直接插入检测工件中，方便测量，保证测量精度。Because the present invention adopts the lever principle, one end of the lever can be in contact with the contact point of the measuring rod to push the reading of the dial indicator in contact with the other end of the lever, which is convenient to use, and the contact point is designed as a ball and the measuring rod is provided with a spring Both can effectively improve the accuracy of measurement. When measuring, the measuring rod can be directly inserted into the detection workpiece, which is convenient for measurement and ensures measurement accuracy.

附图说明 Description of drawings

图1是本发明的结构示意图；Fig. 1 is a structural representation of the present invention;

图2是本发明的仰视结构示意图；Fig. 2 is the bottom view structure schematic diagram of the present invention;

图3是本发明的俯视结构示意图；Fig. 3 is a top view structural representation of the present invention;

图4是使用本发明装置测量时标准件①结构示意图Fig. 4 is a schematic view of the structure of the standard part ① when using the device of the present invention to measure

图5是使用本发明装置测量时标准件②结构示意图。Fig. 5 is a schematic diagram of the structure of the standard part ② when the device of the present invention is used for measurement.

具体实施方式Detailed ways

如图1、图2、图3、图4和图5所示，一种缸盖虚交点检具，包括本体1和与所述本体配套的测杆2，所述本体的中部设有与本体铰接的检测杠杆5，所述检测杠杆的下端内侧与百分表II 4的检测杆外端相接触，所述测杆上端安装有百分表I 3，且百分表I通过螺钉17安装在测杆上端。As shown in Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, a cylinder head virtual intersection inspection tool includes a body 1 and a measuring rod 2 matched with the body. Hinged detection lever 5, the inner side of the lower end of the detection lever is in contact with the detection rod outer end of the dial indicator II 4, and the dial indicator I 3 is installed on the upper end of the measuring rod, and the dial indicator I is installed on the The top end of the rod.

所述本体的中部可以设有竖向的杠杆通孔，所述检测杠杆穿过所述杠杆通孔，其与所述本体铰接的方式为所述检测杠杆中部设有铰接用通孔，所述铰接用通孔与杠杆销6间歇配合，所述杠杆销旋接在所述杠杆通孔的侧壁上。所述杠杆销通常位于所述杠杆的中部，可以精确测量。The middle part of the body can be provided with a vertical lever through hole, and the detection lever passes through the lever through hole. The hinged through hole is intermittently matched with the lever pin 6, and the lever pin is screwed on the side wall of the lever through hole. The lever pin is usually located in the middle of the lever and can be precisely measured.

所述测杆可以设有测杆触点8，所述检测杠杆设有拉紧其下端使其上端内侧压向所述测杆触点的拉紧弹簧7，所述拉紧弹簧一端固定在所述本体的下部，另一端拉紧所述杠杆下端外侧，用于为所述检测杠杆复位提供外力和保证所述检测杠杆与测杆触点紧密接触。所述百分表II通常通过表座安装在所述本体下部。所述百分表II可以设有使其检测杆外端压向所述检测杠杆下端内侧的挤压弹簧。测量时，在挤压弹簧和拉紧弹簧的作用下，使检测杠杆的上、下端内侧分别与测杆触点和百分表II的检测杆外端保持接触。The measuring rod can be provided with a measuring rod contact 8, and the detection lever is provided with a tension spring 7 that tightens its lower end so that the inner side of the upper end is pressed against the measuring rod contact, and one end of the tension spring is fixed on the The lower part of the body, and the other end tightens the outer side of the lower end of the lever, which is used to provide external force for the reset of the detection lever and ensure that the detection lever is in close contact with the contact point of the measuring rod. The dial gauge II is usually installed on the lower part of the body through a gauge seat. Said dial gauge II can be provided with an extruding spring which presses the outer end of the detection rod to the inner side of the lower end of the detection lever. When measuring, under the action of the squeeze spring and the tension spring, the inner sides of the upper and lower ends of the detection lever are kept in contact with the contact point of the measuring rod and the outer end of the detection rod of the dial gauge II respectively.

为了提高测量精度，所述测杆触点通常为圆珠。In order to improve measurement accuracy, the contact point of the measuring rod is generally a ball.

测量所需测杆总成包括测杆5、销钉16、弹簧11、测套10、衬套19和表套18。所述测杆下端可以设有呈圆柱形的测套10，所述测杆触点位于所述测套外部。当测杆可从气门座的坐圈孔插入时，所述测套与坐圈孔配合定位所述测杆。The measuring rod assembly required for measurement includes a measuring rod 5, a pin 16, a spring 11, a measuring sleeve 10, a bushing 19 and a table cover 18. A cylindrical measuring sleeve 10 may be provided at the lower end of the measuring rod, and the contact point of the measuring rod is located outside the measuring sleeve. When the measuring rod can be inserted from the seat ring hole of the valve seat, the measuring sleeve cooperates with the seat ring hole to position the measuring rod.

所述测杆内可以设有将所述测杆触点压向所述测量定位点的压紧弹簧11。通过压紧弹簧的作用保证被测面与测杆面接触良好，并且是测杆触点与测量定位点紧密接触。A compression spring 11 that presses the contact point of the measuring rod to the measuring positioning point may be provided in the measuring rod. The action of the compression spring ensures that the surface to be measured is in good contact with the surface of the measuring rod, and the contact point of the measuring rod is in close contact with the measuring positioning point.

所述本体上表面可以设有测量定位块9。所述测量定位块通常采用可拆卸的方式安装在所述本体上表面，且其通常由合金制成。在测量时，在压紧弹簧的作用下，所述测杆的触点底面与所述测量定位块紧密接触。A measurement positioning block 9 may be provided on the upper surface of the body. The measurement positioning block is usually detachably installed on the upper surface of the body, and it is usually made of alloy. During measurement, under the action of the compression spring, the contact bottom surface of the measuring rod is in close contact with the measuring positioning block.

所述本体上表面还可以设有位于同一直线的两个挡销12，其用于定位标注件1。The upper surface of the body can also be provided with two stop pins 12 located on the same straight line, which are used for positioning the marker 1 .

测量时，首先需要(1)调零。在测量本体上装上百分表II，用标准件①14通过两个挡销定位，标准件①与杠杆上端接触，此时将百分表II调零。将测杆总成(含测杆、销钉、弹簧、测套)装上百分表I，通过标准件②15进行百分表I的标定。When measuring, it is first necessary to (1) zero-adjust. Install the dial indicator II on the measuring body, use the standard part ①14 to locate through the two stop pins, the standard part ① contacts with the upper end of the lever, and then adjust the dial indicator II to zero. Install the measuring rod assembly (including measuring rod, pin, spring, and measuring sleeve) on the dial indicator I, and calibrate the dial indicator I through the standard part ②15.

然后(2)测量。将测杆总成插入工件进气门座孔中，装上百分表I，注意百分表的数值与调零时相符合，然后将工件通过本体及环定位，并插入菱形定位销13后进行测量。测杆的圆珠通过与杠杆的接触，其百分表II可以直接测量24.6±0.1位置尺寸。若表II的指针在±0.1范围内，则24.6的尺寸合格。其百分表I可以直接测量14.9+0.1的深度尺寸。若表I的指针在±0.05的范围内，则14.9的尺寸合格。Then (2) measure. Insert the measuring rod assembly into the hole of the intake valve seat of the workpiece, install the dial indicator I, pay attention to the value of the dial indicator is consistent with the zero adjustment, then position the workpiece through the body and the ring, and insert the diamond-shaped positioning pin 13 Take measurements. The ball of the measuring rod is in contact with the lever, and its dial gauge II can directly measure the position size of 24.6±0.1. If the pointer of Table II is within the range of ±0.1, the size of 24.6 is qualified. Its dial indicator I can directly measure the depth dimension of 14.9+0.1. If the pointer of Table I is within the range of ±0.05, the size of 14.9 is qualified.

Claims (10)

1, a kind of 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 percentage Table II, and described measuring staff upper end is equipped with dial gauge I.
2, cylinder cap virtual crossing point examining tool as claimed in claim 1, the middle part that it is characterized in that 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.
3, cylinder cap virtual crossing point examining tool as claimed in claim 2, it is characterized in that 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, and the other end is strained the outside, described lever lower end.
4, cylinder cap virtual crossing point examining tool as claimed in claim 3 is characterized in that described measuring staff contact is a ball.
5, as claim 1,2,3 or 4 described cylinder cap virtual crossing point examining tools, it is characterized in that described measuring staff lower end is provided with cylindrical side cover, it is outside that described measuring staff contact is positioned at described survey cover.
6, cylinder cap virtual crossing point examining tool as claimed in claim 5 is characterized in that being provided with in the described measuring staff holddown spring of described measuring staff contact being pressed to described measurement and positioning point.
7, cylinder cap virtual crossing point examining tool as claimed in claim 1 is characterized in that described percentage Table II is installed in described body bottom by gauge stand.
8, cylinder cap virtual crossing point examining tool as claimed in claim 7 is characterized in that described percentage Table II is provided with to make its test rod outer end press to the extrusion spring of inboard, described detection lever lower end.
9, 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.
10, cylinder cap virtual crossing point examining tool as claimed in claim 9 is characterized in that described body upper surface also is provided with and is positioned at collinear two backing pins.
CN2009100873609A 2009-06-23 2009-06-23 Cylinder cap virtual crossing point examining tool Active CN101586936B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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
CN110685894A (en) * 2018-07-05 2020-01-14 上海秋林机械有限公司 Variable piston displacement detection equipment for swash plate variable piston pump/motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234253U (en) 1975-09-02 1977-03-10
US5210955A (en) * 1992-03-13 1993-05-18 Lewis Glenn A Cylinder bore measuring apparatus
JP3406044B2 (en) 1994-02-17 2003-05-12 大昭和精機株式会社 Dial gauge centering device
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 Cylinder cover conduit hole coaxiality and verticality gauge
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN110685894A (en) * 2018-07-05 2020-01-14 上海秋林机械有限公司 Variable piston displacement detection equipment for swash plate variable piston pump/motor

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Address after: 301700 Building 1, No. 36, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin

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