CN103438785A - Gauge for radius of semicircular thrust surface of engine body of diesel engine - Google Patents
Gauge for radius of semicircular thrust surface of engine body of diesel engine Download PDFInfo
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- CN103438785A CN103438785A CN2013103028964A CN201310302896A CN103438785A CN 103438785 A CN103438785 A CN 103438785A CN 2013103028964 A CN2013103028964 A CN 2013103028964A CN 201310302896 A CN201310302896 A CN 201310302896A CN 103438785 A CN103438785 A CN 103438785A
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- cubing
- thrust surface
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Abstract
The invention discloses a gauge for the radius of a semicircular thrust surface of an engine body of the diesel engine. According to the technical scheme, a gauge body is of a T shape, an outer arc-shaped surface is arranged at the lower bottom end of the gauge body, a compression spring is embedded into the upper section of a stepped through hole of the gauge body in a lying mode, a meter base is arranged on the gauge body, a dial indicator is inserted into the meter base, the gauge body and the compression spring, a measuring column is arranged in the gauge body, the top end of the measuring column makes contact with the top end of a measuring rod of the dial indicator, the top of the lower section of the measuring column is exposed out of the outer arc-shaped surface at the lower bottom end of the gauge body, a pair of limiting blocks is arranged on the reverse side of the gauge body, the limiting blocks are right-angle-shaped bent plates, the gauge body is provided with a concave correction meter base, and the concave correction meter base is matched with the T-shaped gauge body. The gauge for the radius of the semicircular thrust surface of the engine body of the diesel engine solves the problem that a universal gauge cannot directly detect the semicircular thrust surface of the engine body of the diesel engine; due to the fact that a semi-circular-arc-shaped measuring head is arranged at the lower top end of the measuring column used by the gauge body, the measuring head can make good contact with the narrow thrust surface, and data of tests can be accurate and reliable.
Description
Technical field
The invention belongs to internal combustion engine assembling cubing, be specifically related to a kind of specific purpose tool that the thrust surface of diesel body radius is detected.
Background technology
Diesel-engine body is one of five large parts of engine, and the scale error of the thrust surface of body is determining the error of axial gap of engine crankshaft.If the form of engine thrust surface is completely circular structure, the detection of its diameter is just relatively easy, at inter process, measures just passable.But some diesel-engine bodies are arranged, in order to strengthen the intensity of body, and the form of employing semicircle thrust surface.The characteristics of this thrust surface are that step width is narrow, especially the smaller body for volume.Subject matter is that general cubing can't directly enter in crankshaft cavity, and after must waiting until bolt of main bearing cap being tightened, and crankshaft hole machines just and can carry out Measurement accuracy.Up to the present, still do not have a kind of measuring tool of special use to carry out this detection, this really becomes diesel-engine body semicircle thrust surface radius and detects a difficult problem of controlling for engine assembly.
Summary of the invention
For above-mentioned detection technique problem, the purpose of this invention is to provide a kind of appliance special for detecting that can detect diesel-engine body small size body semicircle thrust surface radius.
Below technical scheme of the present invention is explained.Diesel-engine body semicircle thrust surface radius appliance special for detecting has: cubing body, Compress Spring, meter base, dial gauge, limited block, countersink head screw, set screw and lock-screw etc.Its technical scheme is: the cubing body is the T font, and under the cubing body, bottom is an extrados, in cubing body vertical direction, has a stepped appearance through hole, and the Compress Spring edge crouches in the epimere of this stepped appearance through hole.Be provided with meter base above the cubing body, the center of meter base also has a stepped appearance through hole.Dial gauge is inserted in meter base, and the guide pole of dial gauge is positioned at the epimere of meter base stepped appearance through hole, and the sounding rod of dial gauge passes meter base, inserts in the Compress Spring of cubing body.Be provided with measurement column in cubing body stepped appearance through hole, the epimere of gauge head is inserted Compress Spring, and contacts with the top of dial gauge sounding rod, and expose to the extrados of bottom under the cubing body at the hypomere top of measurement column.Take the stepped appearance through hole as center line at the back side of cubing body, and symmetria bilateralis respectively is provided with a limited block, for preventing cubing twisting impact, detects.Limited block is the square bent plate, and the one side at right angle is fixed by countersink head screw and cubing body, and another side is provided with threaded hole, by set screw and engine semicircle thrust surface, fixes.The cubing body is furnished with the calibration pedestal, and the calibration pedestal is spill, with the cubing Ontology Matching of T font.
Before detection, at first with the calibration pedestal, the dial gauge on cubing is made zero.Then cubing is placed on the main beating cap faying face of diesel-engine body, adjusts the screw on limited block, the end face of two screws is locked on corresponding thrust surface, prevent that cubing from causing the detection error because of the front and back beat when detecting.During detection, by the gauge head of measurement column and thrust surface plane contact, the gauge head top, under the pressure of semicircle thrust surface, is moved on compressing dial gauge gauge head (measurement column), and that above moves shows from gauge outfit apart from size.Can detect in time semicircle thrust surface radius man-hour adding thus, and can provide concrete numerical value.
Characteristics of the present invention and beneficial effect are: having solved universal check tool can't directly enter in crankshaft cavity, the difficult problem that diesel-engine body semicircle thrust surface is detected, and the operation that can conveniently complete the thrust surface radius error detects.And under cubing body measurement column used, top is a semicircular arc gauge head, can make gauge head carry out good contacting with narrow thrust surface (step surface), make the data of test accurately reliable.
The accompanying drawing explanation
The three-dimensional sketch that Fig. 1 is structure of the present invention.
Fig. 2 is structure of the present invention and principle side diagrammatic cross-sectional view.
Fig. 3 detects schematic diagram for embodiment on diesel-engine body.
The enlarged drawing that Fig. 4 is the cubing measurement column.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, structure of the present invention and principle are further described.Diesel-engine body semicircle thrust surface radius appliance special for detecting, its structure is: cubing body 1 is the T font, and under the cubing body, bottom is an extrados, in cubing body vertical direction, has a stepped appearance through hole, Compress Spring 2 edges crouch in the epimere of this stepped appearance through hole.Be provided with meter base 3 above the cubing body, the center of meter base also has a stepped appearance through hole 4, dial gauge 5 is inserted in meter base, the guide pole of dial gauge is positioned at the epimere of meter base stepped appearance through hole, the sounding rod of dial gauge passes meter base, inserts the Compress Spring interior (as Fig. 1) of cubing body.Be provided with measurement column 6 in cubing body stepped appearance through hole, the epimere of gauge head is inserted Compress Spring, and contacts with the top of dial gauge sounding rod, and expose to the extrados (as shown in Figure 1, Figure 2) of bottom under the cubing body at the hypomere top of measurement column.Take the stepped appearance through hole as center line at the back side of cubing body, and symmetria bilateralis respectively is provided with a limited block 7, for preventing cubing twisting impact, detects.Limited block is the square bent plate, and the one side at right angle is fixed by countersink head screw 8 and cubing body, and another side is provided with threaded hole, by set screw 9 and engine semicircle thrust surface, fixes.The cubing body is furnished with calibration pedestal 10, and the calibration pedestal is spill, with the cubing Ontology Matching of T font.The side of cubing body is provided with lock-screw 11, for the fixation measuring post; The side of meter base also is provided with lock-screw 11, for the fixing guide pole of dial gauge.The lower top of measurement column is the small semicircle arc, with the cambered surface of bottom under the cubing body, is mated (as Fig. 3).
White submeter is one of main measurer of machining industry, and its structure is two sections Metallic rod to be arranged below gauge outfit, and upper semisection is mainly used to fixedly gauge outfit as backstay; Lower semisection is as sounding rod.Sounding rod is enclosed within backstay and is spring structure, the moving up and down of sounding rod, and meter pointer can accurately show the size height of displacement.Dial gauge is inserted in meter base and cubing body, withstand backstay with lock-screw it is fixed.At the stepped appearance through hole of cubing body, interior edge is sleeping has Compress Spring, sounding rod to explore downward to the Compress Spring endoporus.Key is to be provided with a measurement column (as Fig. 4) in the through hole of Compress Spring, between dial gauge gauge head and measured, has been equivalent to extend the sounding rod of dial gauge.Because the cubing body is furnished with the calibration pedestal of spill, the cubing Ontology Matching of this pedestal and T font.The effect of calibration pedestal is to determine a reference point (zero point) for dial gauge, on measurement column and calibration pedestal, the dial gauge pointer is placed in to " zero-bit " during plane contact, now also with lock-screw, withstands measurement column it is fixed.Be provided with a pair of limited block at the back side of cubing body, its Main Function is when diesel-engine body semicircle thrust surface is measured, and prevents that the cubing body from rotating displacement.During detection, the step surface of cubing body is placed on the port surface of body semicircle thrust surface, unscrews the gauge head trip bolt, gauge head can slide up and down, and causes dial gauge first finger pin (value) to change.Two stop screw 9 end faces on limited block are fitted on engine semicircle thrust surface another side, prevent that cubing body twisting impact detects numerical value when detecting.Fix rear left and right mobile cubing gently, now the maximal value on dial gauge is the radius of engine semicircle thrust surface and the difference of standard value.
Diesel-engine body semicircle thrust surface adds man-hour, must, before dress main beating cap operation, after processing watt mouth, carry out.Diesel engine frame semicircle thrust surface status requirement is very tight, and the requirement of radius is also very strict, and the body after processing can't be repaired, if can not realize that this operation detects, the initial workpiece after processing is easy to occur waste product.Carry out in-process checking by semicircle thrust surface cubing, can detect at any time numerical value, realize adding and being cut by the adjustment method man-hour at initial workpiece, avoid owing to can't inter process being controlled, cause between the order that the initial workpiece body is scrapped and the postorder detection causes and treat work.
Claims (3)
1. diesel-engine body semicircle thrust surface radius appliance special for detecting, there is the cubing body, Compress Spring, meter base, dial gauge, limited block, countersink head screw, set screw and lock-screw, it is characterized in that: cubing body (1) is the T font, under the cubing body, bottom is an extrados, have a stepped appearance through hole in cubing body vertical direction, Compress Spring (2) edge crouches in the epimere of this stepped appearance through hole, be provided with meter base (3) above the cubing body, the center of meter base also has a stepped appearance through hole (4), dial gauge (5) is inserted in meter base, the guide pole of dial gauge is positioned at the epimere of meter base stepped appearance through hole, the sounding rod of dial gauge passes meter base, insert in the Compress Spring of cubing body, be provided with measurement column (6) in cubing body stepped appearance through hole, the epimere of gauge head is inserted Compress Spring, and contact with the top of dial gauge sounding rod, expose to the extrados of bottom under the cubing body at the hypomere top of measurement column, take the stepped appearance through hole as center line at the back side of cubing body, symmetria bilateralis respectively is provided with a limited block (7), for preventing that cubing twisting impact from detecting, limited block is the square bent plate, the one side at right angle is fixed by countersink head screw (8) and cubing body, another side is provided with threaded hole, by set screw (9) and engine semicircle thrust surface, fix, the cubing body is furnished with calibration pedestal (10), the calibration pedestal is spill, cubing Ontology Matching with the T font.
2. according to diesel-engine body semicircle thrust surface radius appliance special for detecting claimed in claim 1, it is characterized in that the side of described cubing body (1) is provided with lock-screw (11), for fixation measuring post (6); The side of described meter base (3) also is provided with lock-screw (11), for the guide pole of fixing described dial gauge (5).
3. according to the described diesel-engine body semicircle of claim 1 or 2 thrust surface radius appliance special for detecting, the lower top that it is characterized in that described measurement column (6) is the small semicircle arc, with the cambered surface of the lower bottom of described cubing body (1), is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302896.4A CN103438785B (en) | 2013-07-16 | 2013-07-16 | Diesel-engine body semicircle thrust surface radius appliance special for detecting |
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| CN201310302896.4A CN103438785B (en) | 2013-07-16 | 2013-07-16 | Diesel-engine body semicircle thrust surface radius appliance special for detecting |
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| CN103438785A true CN103438785A (en) | 2013-12-11 |
| CN103438785B CN103438785B (en) | 2016-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300223A (en) * | 2015-12-04 | 2016-02-03 | 广西玉柴机器股份有限公司 | On-line measurement tool for processing volume of thrust surface of camshaft |
| CN106323138A (en) * | 2016-10-19 | 2017-01-11 | 中航飞机股份有限公司西安飞机分公司 | Measuring method for groove in side wall of internal rotating part |
| CN106643409A (en) * | 2016-11-30 | 2017-05-10 | 广西玉柴机器股份有限公司 | Crankshaft thrust stopper width measuring gauge |
| CN109141328A (en) * | 2018-09-04 | 2019-01-04 | 南京泰普森自动化设备有限公司 | Measure contact, measurement component and measuring device |
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| JP2005300508A (en) * | 2004-04-14 | 2005-10-27 | Marui Keiki Kk | Outer diameter measuring instrument |
| CN101650149A (en) * | 2008-08-12 | 2010-02-17 | 广西玉柴机器股份有限公司 | Arc diameter detector and manufacturing and using methods thereof |
| CN102338608A (en) * | 2011-08-25 | 2012-02-01 | 桂林福达曲轴有限公司 | Checking fixture for measuring axial dimension of crankshaft pin hole and detection method |
| CN202216637U (en) * | 2011-08-31 | 2012-05-09 | 慈溪市汇丽机电有限公司 | Arc section radium fast-measuring tool |
| CN202304712U (en) * | 2011-09-16 | 2012-07-04 | 宁波圣菲机械制造有限公司 | Tool for measuring inner hole depth |
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2013
- 2013-07-16 CN CN201310302896.4A patent/CN103438785B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005300508A (en) * | 2004-04-14 | 2005-10-27 | Marui Keiki Kk | Outer diameter measuring instrument |
| CN101650149A (en) * | 2008-08-12 | 2010-02-17 | 广西玉柴机器股份有限公司 | Arc diameter detector and manufacturing and using methods thereof |
| CN102338608A (en) * | 2011-08-25 | 2012-02-01 | 桂林福达曲轴有限公司 | Checking fixture for measuring axial dimension of crankshaft pin hole and detection method |
| CN202216637U (en) * | 2011-08-31 | 2012-05-09 | 慈溪市汇丽机电有限公司 | Arc section radium fast-measuring tool |
| CN202304712U (en) * | 2011-09-16 | 2012-07-04 | 宁波圣菲机械制造有限公司 | Tool for measuring inner hole depth |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300223A (en) * | 2015-12-04 | 2016-02-03 | 广西玉柴机器股份有限公司 | On-line measurement tool for processing volume of thrust surface of camshaft |
| CN106323138A (en) * | 2016-10-19 | 2017-01-11 | 中航飞机股份有限公司西安飞机分公司 | Measuring method for groove in side wall of internal rotating part |
| CN106643409A (en) * | 2016-11-30 | 2017-05-10 | 广西玉柴机器股份有限公司 | Crankshaft thrust stopper width measuring gauge |
| CN109141328A (en) * | 2018-09-04 | 2019-01-04 | 南京泰普森自动化设备有限公司 | Measure contact, measurement component and measuring device |
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| Publication number | Publication date |
|---|---|
| CN103438785B (en) | 2016-05-04 |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Gauge for radius of semicircular thrust surface of engine body of diesel engine Effective date of registration: 20190612 Granted publication date: 20160504 Pledgee: Lingyuan steel enterprise limited liability company Pledgor: Dongfeng Chaoyang Chaochai Power Co., Ltd. Registration number: 2019210000021 |
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