CN102564272B - Checking fixture for measuring depth of bottom hole of valve retainer of engine cylinder cover - Google Patents
Checking fixture for measuring depth of bottom hole of valve retainer of engine cylinder cover Download PDFInfo
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- CN102564272B CN102564272B CN201110454588.4A CN201110454588A CN102564272B CN 102564272 B CN102564272 B CN 102564272B CN 201110454588 A CN201110454588 A CN 201110454588A CN 102564272 B CN102564272 B CN 102564272B
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Abstract
The invention provides a checking fixture for measuring the depth of a bottom hole of a valve retainer of an engine cylinder cover, and the checking fixture is used for completing detection of the depth size of the bottom hole of the valve retainer of the engine cylinder cover. The checking fixture comprises a measurement execution mechanism, a displacement transmission mechanism, a support and control mechanism and a measurement data display mechanism, wherein the measurement execution mechanism comprises a guide measuring rod, a flange base and a flange cover; the guide measuring rod is located at the lower end of the checking fixture and consists of a measuring head and a connection base; the bottom face of the connection base is a test reference surface; the top end of the connection base is fixedly connected with the corresponding element of the support and control mechanism; the flange base is in an inverted disk structure; a large round hole is arranged on the top face of the flange base, and the bottom face of the flange base is provided with a measuring face; the flange cover is fixedly mounted on the top face of the flange base; and a disk-shaped groove is arranged at the center of the flange cover; and the disk-shaped groove is connected with a peripheral framework through three ribs. The checking fixture disclosed by the invention has the advantages of compact structure and simplicity in operation. The detection precision of a working piece to be measured can be ensured, and the service life of the checking fixture is prolonged.
Description
Technical field
The present invention relates to a kind of measurement cubing, be particularly useful for the detection of depth of bottom hole of valve retainer of engine cylinder cover, belong to technical field of measurement and test.
Background technology
Engine cylinder cover is the important component part of engine body, its major function is closed cylinder top, and form firing chamber with top land together with cylinder wall, also carrying the part parts of valve actuating mechanism and cooling system, so the cylinder cover structure of engine directly affects power and the economic performance of engine simultaneously.One of significant dimensions that depth of bottom hole of valve retainer of engine cylinder cover designs as cylinder cover structure needs strict control in cylinder cap process.At present to the detection of depth of bottom hole of valve retainer of engine cylinder cover by being with ball headed measuring rod and band table cubing regulator to coordinate, because measuring staff and band table cubing regulator are unpack format, during detection, first measuring staff is inserted to head valve seat ring bottom hole, then by band table cubing regulator, measuring staff is measured.The drawback of this measuring method shows two aspects, the one, and split type measurement cubing is used inconvenient, and measuring error is larger; The 2nd, while measuring, need can cause sweat, dirt to corrode measuring staff with the hand measuring staff of directly taking, be not only difficult to guarantee the precision measured, and cubing is fragile, serviceable life is short.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of compact conformation, simple to operate is provided, can guarantee measured workpiece accuracy of detection, the cubing of the measurement depth of bottom hole of valve retainer of engine cylinder cover improving the quality of products.
Problem of the present invention realizes with following technical proposals:
A kind of cubing of measuring depth of bottom hole of valve retainer of engine cylinder cover, its formation comprises measures topworks, displacement transmission mechanism, support and control gear and measurement data indication mechanism, described measurement topworks comprises guiding measuring staff, flange seat and blind flange, described guiding measuring staff is positioned at cubing lower end, by gauge head and Connection Block two parts, formed, wherein Connection Block bottom surface is test benchmark face, top is fixedly connected with support and control gear counter element, described flange seat is for being inverted disc structure, its end face is provided with big hole, bottom surface is measurement face, on the end face of flange seat, fixedly mount flange lid, described blind flange centre arranges plate-like groove, described plate-like groove is connected with peripheral frame by three spoke muscle.
The cubing of above-mentioned measurement depth of bottom hole of valve retainer of engine cylinder cover, described displacement transmission mechanism comprises mandrel and socket joint, described mandrel is by bulb, sliding bar, the shaft shoulder and spindle nose four parts form, described bulb and socket joint are equipped, described sliding bar is between bulb and the shaft shoulder, on its side surface, be provided with spacing elongated slot, described shaft shoulder end face neighboring area and support and control gear element are equipped, centre is connected with spindle nose, described spindle nose top contacts with measurement data indication mechanism element, described socket joint is by upper, lower bowl-type inner cone forms, wherein going up bowl type inner cone is split left and right formula structure, socket joint and mandrel bulb are equipped, be fixed on and measure in topworks's counter element.
The cubing of above-mentioned measurement depth of bottom hole of valve retainer of engine cylinder cover, described support and control gear comprise the spring base being fixed together successively by web member, mandrel sleeve, measuring rod seat and the Compress Spring that is sleeved on spring base inside, described mandrel sleeve internal cavities and the assembling of displacement transmission mechanism counter element clearance fit, at its side mounting limit screw, described stop screw tail end and displacement transmission mechanism counter element are equipped, described measuring rod seat is tubular structure, at its sidewall, evenly offer three and dodge groove, describedly dodge groove and measure topworks's counter element and mate, to realize the measurement of different angles hole depth size.
The cubing of above-mentioned measurement depth of bottom hole of valve retainer of engine cylinder cover, described measurement data indication mechanism comprises indicating gauge, gauge outfit folder and protective cover, described indicating gauge is fixedly connected with support and control gear counter element by gauge outfit folder, its gauge head contacts with displacement transmission mechanism element, described shielding cover is contained in indicating gauge outside, is fixed by screws on support and control gear counter element lateral wall.
The cubing of above-mentioned measurement depth of bottom hole of valve retainer of engine cylinder cover, in formation, also comprise calibrating device, described calibrating device is provided with calibration hole and the calibration reference face mating with cubing and the calibration measurement face with model engine head valve seat ring bottom hole consistent size, and the distance H of its calibration reference face and calibration measurement face is for demarcating numerical value.
The present invention is calibrated cubing by calibrating device, determine the zero-bit of indicating gauge, the valve retainer bottom outlet end face of tested engine cylinder cover and cubing measurement datum M1 laminating are as measuring basis, fitted as the face of measurement M2 in cubing flange seat bottom surface and cylinder cap installed surface, under displacement transmission mechanism and the cooperation of measurement data indication mechanism, complete the detection to workpiece; The present invention is when measuring operation, and socket joint promotes mandrel bulb and moves up and down, and under the effect of Compress Spring spring damping, the motion of mandrel is steadily soft, has guaranteed mandrel spindle nose and indicating gauge gauge head flexible contact, makes measurement data accurately and reliably; The present invention integrates measuring staff and mandrel by the cooperation of socket joint and mandrel bulb, has realized integral type cubing and has measured, and the fit form of socket joint and mandrel bulb has guaranteed the detection to different angles hole depth size, and the versatility of cubing is strengthened; In support of the present invention and control gear, stop screw defines the moving range of mandrel sliding bar, guarantees to measure and carries out in the range ability of indicating gauge, has avoided operator's tactile measuring staff that directly catches simultaneously, has extended cubing serviceable life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is X-direction partial view in Fig. 1;
Fig. 3 is guiding measuring staff structural drawing;
Fig. 4 is flange seat and blind flange sectional structure chart;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is measuring rod seat sectional structure chart;
Fig. 7 is that the A of Fig. 6 is to view;
Fig. 8 is core shaft structure figure;
Fig. 9 is C place structure enlarged drawing in Fig. 1;
Figure 10 is calibrating device schematic diagram;
Figure 11 is cubing measuring point and size schematic diagram.
In figure, each label is: 1, spring base, 2, Compress Spring, 3, mandrel, 3-1, bulb, 3-2, sliding bar, 3-3, the shaft shoulder, 3-4, spindle nose, 3-5, spacing elongated slot, 4, mandrel sleeve, 5, measuring rod seat, 5-1, dodge groove, 6, blind flange, 6-1, spoke muscle, 6-2, plate-like groove, 7, flange seat, 8, guiding measuring staff, 8-1, side head, 8-2, Connection Block, 9, socket joint, 9-1, lower bowl type inner cone, 9-2, upper bowl type inner cone, 10, gauge outfit folder, 11, indicating gauge, 12, calibrating device, 12-1, calibration hole, 12-2, calibration reference face, 12-3, calibration measurement face, 13, stop screw, 14, protective cover, M1, measurement datum, M2, measurement face.
Embodiment
Referring to Fig. 1, Fig. 3, Fig. 5, the present invention's formation comprises measures topworks, displacement transmission mechanism, support and control gear and measurement data indication mechanism, described measurement topworks comprises guiding measuring staff 8, flange seat 7 and blind flange 6, described guiding measuring staff 8 is positioned at cubing lower end, by gauge head 8-1 and Connection Block 8-2 two parts, formed, described Connection Block 8-2 bottom surface is test benchmark face M1, top is fixedly connected with measuring rod seat 5 bottoms, described flange seat 7 is for being inverted disc structure, its end face arranges big hole, bottom surface is measurement face M2, end face fixed installation flange lid 6 at flange seat 7, described blind flange 6 centres arrange plate-like groove 6-2, described plate-like groove 6-2 is connected with peripheral frame by three spoke muscle 6-1.
Referring to Fig. 1, Fig. 8, Fig. 9, displacement transmission mechanism during the present invention forms comprises mandrel 3 and socket joint 9, described mandrel is by bulb 3-1, sliding bar 3-2, shaft shoulder 3-3 and spindle nose 3-4 tetra-parts form, described bulb 3-1 and socket joint 9 are equipped, described sliding bar 3-2 is between bulb 3-1 and shaft shoulder 3-3, its side surface is provided with spacing elongated slot 3-5, described shaft shoulder 3-3 end face neighboring area and Compress Spring 2 are equipped, centre is connected with spindle nose 3-4, described spindle nose 3-4 top contacts with indicating gauge gauge head, described socket joint 9 is by upper, lower bowl-type inner cone 9-1, 9-2 forms, wherein going up bowl type inner cone 9-2 is split left and right formula structure, socket joint 9 is equipped with mandrel bulb 3-1, be fixed in the blind flange plate-like groove 6-2 that measures topworks.
Referring to Fig. 1, Fig. 6, Fig. 7, support and control gear during the present invention forms comprise the spring base 1 being fixed together successively by web member, mandrel sleeve 4, measuring rod seat 5 and the Compress Spring 2 that is sleeved on spring base inside, the mandrel sliding bar 3-2 clearance fit assembling of described mandrel sleeve 4 internal cavities and displacement transmission mechanism, at its side mounting limit screw 13, the spacing elongated slot 3-5 of described stop screw 13 tail ends and sliding bar side is equipped, described measuring rod seat 5 is tubular structure, at its sidewall, evenly offer three and dodge groove 5-1, the described groove 5-1 that dodges mates with flange seat 7 and the blind flange 6 of measuring topworks, to realize the measurement to different angles hole depth size.
Referring to Fig. 1, Fig. 2, measurement data indication mechanism during the present invention forms comprises indicating gauge 11, gauge outfit folder 10 and protective cover 14, described indicating gauge 11 presss from both sides 10 by gauge outfit and is fixedly connected with the spring base 1 of support and control gear, its gauge head contacts with the mandrel spindle nose 3-4 of displacement transmission mechanism, described protective cover 14 is sleeved on indicating gauge outside, is fixed by screws on the lateral wall of support and control gear spring base 1.
Referring to Fig. 1, Figure 10, the present invention also comprises calibrating device 12 in forming, described calibrating device 12 is provided with and the calibration hole 12-1 of model engine head valve seat ring bottom hole consistent size and the calibration reference face 12-2 mating with cubing and calibration measurement face 12-3, and the distance H of its calibration reference face 12-2 and calibration measurement face 12-3 is for demarcating numerical value.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, principle of work of the present invention is:
The measuring staff 8 that leads in the present invention's formation is connected with measuring rod seat 5 use screws, spring base 1, mandrel sleeve 4 link together with measuring rod seat 5 use long spiro nails, mandrel 3 and the 4 clearance fit assemblings of mandrel sleeve, mandrel 3 can slide up and down in the cavity of mandrel sleeve 4, with the right alignment of this guarantee to lead measuring staff 8 and mandrel; Stop screw 13 is contained on mandrel sleeve 4, to the slip of mandrel, carries out spacing; Upper and lower bowl-type inner cone 9-1,9-2 are arranged symmetrically with, formed socket joint 9, tightly fasten the bulb 3-1 of mandrel 3, socket joint 9 is screwed on blind flange 6, make gapless between mandrel bulb 3-1 and socket joint 9, socket joint 9 and blind flange 6, blind flange 6 is screwed on flange seat 7, has therefore guaranteed the accuracy of measurement data; Compress Spring 2 is contained between the shaft shoulder 3-3 and spring base 1 top of mandrel, under Compress Spring 2 spring damping effects, makes the motion of mandrel steadily soft, has guaranteed mandrel spindle nose and indicating gauge gauge head flexible contact, makes measurement data accurately and reliably; Blind flange 6, flange seat 7 and measuring rod seat 5 suits, dodge groove 5-1 on measuring rod seat 5 sidewalls for three that offer, and the laminating of measuring face to flange seat 7 bottom surfaces and different angles thus provides revolution space; The external thread of gauge outfit folder 10 and the internal thread of spring base 1 are fastenedly connected, and indicating gauge 11 is contained on gauge outfit folder 10, and protective cover 14 is arranged on spring base 1 by screw, and indicating gauge 11 is played to protective action.
Blind flange 6 of the present invention can move up and down by the socket joint band moving mandrel 3 being arranged in its plate-like groove 6-2, mandrel spindle nose 3-4 contacts with indicating gauge gauge head, the amount of movement of mandrel is converted into indicating gauge registration, reads the deviation that indicating gauge numerical value is measuring point size.
Bevel cun measuring principle: measured size H be the intersection point of head valve seat ring bottom hole axis and cylinder cap installed surface to the distance of cylinder cap seat ring bottom hole end face, the angle of cylinder cap seat ring bottom hole end face and cylinder cap installed surface is a.Flange seat 7 can freely rotate around the globe joint of mandrel 3, and because the bulb of mandrel 3 is standard ball, ball surface any point to the distance of the centre of sphere equates.Flange seat 7 can rotate to compensate the angular error of cylinder cap valve retainer bottom outlet end face and cylinder cap installed surface by the globe joint around mandrel 3, guaranteed the accuracy of measuring.
Referring to Fig. 1, Figure 10, Figure 11, the course of work of the present invention is:
One, calibration is first calibrated cubing before measurement on calibrating device 12, and method is consistent with the method for following measuring workpieces, and after completing, his-and-hers watches make zero.
Two, measure, guiding measuring staff 8 of the present invention is inserted to the seat ring bottom hole of cylinder cap, external diameter and the cylinder cap seat ring bottom hole internal diameter φ D of cubing guiding measuring staff are clearance fit, measurement datum M1 and the cylinder cap seat ring bottom hole end contact of guiding measuring staff 8, the measurement face M2 of flange seat 7 contacts with cylinder cap installed surface, socket joint 9, blind flange 6 and flange seat 7 can freely rotate around the bulb 3-1 of mandrel 3, to adapt to the angle of cylinder cap seat ring bottom hole end face and cylinder cap installed surface.During measurement, spring base 1, mandrel sleeve 4, measuring rod seat 5, guiding measuring staff 8 maintain static, and socket joint 9, blind flange 6 and flange seat 7 band moving mandrels 3 move up, and the sliding bar 3-2 of mandrel 3 is in the interior slip of mandrel sleeve 4, Compress Spring 2, drives the gauge head action of indicating gauge 11.Finally read the numerical value of indicating gauge, with the skew of " 0 " line be exactly tested position true error, thereby show that seat ring bottom hole end face is to the distance H of cylinder cap installed surface.The stressed cancellation of mandrel after measurement, the Compress Spring 2 of impaction state flicks, and mandrel 3 drives socket joint 9, blind flange 6 and flange seat 7 to move down, and cubing revert to virgin state.
Claims (3)
1. a cubing of measuring depth of bottom hole of valve retainer of engine cylinder cover, it is characterized in that, it comprises measures topworks, displacement transmission mechanism, support and control gear and measurement data indication mechanism, described measurement topworks comprises guiding measuring staff (8), flange seat (7) and blind flange (6), described guiding measuring staff (8) is positioned at cubing lower end, by gauge head (8-1) and Connection Block (8-2) two parts, formed, described Connection Block (8-2) bottom surface is test benchmark face (M1), the top of Connection Block (8-2) is fixedly connected with measuring rod seat (5) bottom, described flange seat (7) is for being inverted disc structure, its end face arranges big hole, bottom surface is measurement face (M2), end face fixed installation flange lid (6) at flange seat (7), described blind flange (6) centre arranges plate-like groove (6-2), described plate-like groove (6-2) is connected with peripheral frame by three spoke muscle (6-1),
Described displacement transmission mechanism comprises mandrel (3) and socket joint (9), described mandrel is by bulb (3-1), sliding bar (3-2), the shaft shoulder (3-3) and spindle nose (3-4) four parts form, described bulb (3-1) is equipped with socket joint (9), described sliding bar (3-2) is positioned between bulb (3-1) and the shaft shoulder (3-3), its side surface is provided with spacing elongated slot (3-5), the described shaft shoulder (3-3) centre is connected with spindle nose (3-4), described spindle nose (3-4) top contacts with measurement data indication mechanism element, described socket joint (9) is by upper, lower bowl-type inner cone (9-1, 9-2) form, wherein going up bowl type inner cone (9-2) is split left and right formula structure, socket joint (9) is equipped with mandrel bulb (3-1),
Described support and control gear comprise the spring base (1) being fixed together successively by web member, mandrel sleeve (4), measuring rod seat (5) and be sleeved on the Compress Spring (2) of spring base inside, described mandrel sleeve (4) internal cavities and the assembling of mandrel sliding bar (3-2) clearance fit, at its side mounting limit screw (13), the spacing elongated slot (3-5) of described stop screw (13) tail end and sliding bar side is equipped, described measuring rod seat (5) is tubular structure, at its sidewall, evenly offer three and dodge groove (5-1), the described groove (5-1) of dodging mates with flange seat (7) and blind flange (6).
2. a kind of cubing of measuring depth of bottom hole of valve retainer of engine cylinder cover according to claim 1, it is characterized in that, described measurement data indication mechanism comprises indicating gauge (11), gauge outfit folder (10) and protective cover (14), described indicating gauge (11) presss from both sides (10) by gauge outfit and is fixedly connected with spring base (1), its gauge head contacts with mandrel spindle nose (3-4), described protective cover (14) is sleeved on indicating gauge outside, is fixed by screws on the lateral wall of spring base (1).
3. a kind of cubing of measuring depth of bottom hole of valve retainer of engine cylinder cover according to claim 2, it is characterized in that, in formation, also comprise calibrating device (12), described calibrating device (12) is provided with calibration hole (12-1) and the calibration reference face (12-2) mating with cubing and the calibration measurement face (12-3) with model engine head valve seat ring bottom hole consistent size, and the distance H of its calibration reference face (12-2) and calibration measurement face (12-3) is for demarcating numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454588.4A CN102564272B (en) | 2011-12-30 | 2011-12-30 | Checking fixture for measuring depth of bottom hole of valve retainer of engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454588.4A CN102564272B (en) | 2011-12-30 | 2011-12-30 | Checking fixture for measuring depth of bottom hole of valve retainer of engine cylinder cover |
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| Publication Number | Publication Date |
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| CN102564272A CN102564272A (en) | 2012-07-11 |
| CN102564272B true CN102564272B (en) | 2014-09-03 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980489B (en) * | 2012-11-18 | 2016-04-06 | 无锡麦铁精密机械制造有限公司 | Blind flange depth gauge cubing |
| CN103900446A (en) * | 2014-03-13 | 2014-07-02 | 苏州市职业大学 | Adjustable inclined hole depth detecting device |
| CN106403882A (en) * | 2016-12-01 | 2017-02-15 | 无锡明珠钢球有限公司 | Hole depth automation measurement device |
| CN108444358B (en) * | 2018-03-20 | 2020-04-03 | 平湖众力汽车部件有限公司 | Support part detection device on car |
| CN108955487B (en) * | 2018-09-05 | 2024-03-08 | 广西玉柴机器股份有限公司 | Cylinder cap seat insert distance measurement device |
| CN112113488B (en) * | 2019-06-19 | 2022-03-18 | 华晨宝马汽车有限公司 | Oil seal depth measuring device |
| CN110332877A (en) * | 2019-07-05 | 2019-10-15 | 神龙汽车有限公司 | Integral electronic cylinder cap valve base sealing line depth measurement device |
| CN110906833A (en) * | 2019-11-12 | 2020-03-24 | 安庆中船柴油机有限公司 | Utensil is examined in shallow hole measurement of portable |
| CN111571198B (en) * | 2020-06-02 | 2021-04-23 | 黄山立国机车部件有限公司 | Hole site calibration device for machining of automobile engine cylinder cover and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829979A (en) * | 1972-06-09 | 1974-08-20 | D Stewart | Valve clearance measuring apparatus |
| US5077909A (en) * | 1991-02-06 | 1992-01-07 | Patten Industries, Inc. | Method and apparatus for measuring valve stem wear |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN201795759U (en) * | 2010-09-02 | 2011-04-13 | 浙江华益机械有限公司 | Taper hole detector |
| CN201876225U (en) * | 2010-11-11 | 2011-06-22 | 神龙汽车有限公司 | Depth dimension detecting rod for inclined hole of cylinder cover of engine |
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2011
- 2011-12-30 CN CN201110454588.4A patent/CN102564272B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829979A (en) * | 1972-06-09 | 1974-08-20 | D Stewart | Valve clearance measuring apparatus |
| US5077909A (en) * | 1991-02-06 | 1992-01-07 | Patten Industries, Inc. | Method and apparatus for measuring valve stem wear |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN201795759U (en) * | 2010-09-02 | 2011-04-13 | 浙江华益机械有限公司 | Taper hole detector |
| CN201876225U (en) * | 2010-11-11 | 2011-06-22 | 神龙汽车有限公司 | Depth dimension detecting rod for inclined hole of cylinder cover of engine |
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| CN102564272A (en) | 2012-07-11 |
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Effective date of registration: 20201230 Address after: 868 Gangxing Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Honeycomb power system (Jiangsu) Co.,Ltd. Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Great Wall Motor Co.,Ltd. |
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