CN103322880A - Detection tool assembly for detecting interference of cam shaft hole and engine oil pump hole of diesel engine cylinder body - Google Patents

Detection tool assembly for detecting interference of cam shaft hole and engine oil pump hole of diesel engine cylinder body Download PDF

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Publication number
CN103322880A
CN103322880A CN2013102983506A CN201310298350A CN103322880A CN 103322880 A CN103322880 A CN 103322880A CN 2013102983506 A CN2013102983506 A CN 2013102983506A CN 201310298350 A CN201310298350 A CN 201310298350A CN 103322880 A CN103322880 A CN 103322880A
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CN
China
Prior art keywords
oil pump
hole
lubricating oil
diesel engine
engine cylinder
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Application number
CN2013102983506A
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Chinese (zh)
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CN103322880B (en
Inventor
蔡兴玲
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Anhui Quanchai Engine Co Ltd
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Anhui Quanchai Engine Co Ltd
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Application filed by Anhui Quanchai Engine Co Ltd filed Critical Anhui Quanchai Engine Co Ltd
Priority to CN201310298350.6A priority Critical patent/CN103322880B/en
Publication of CN103322880A publication Critical patent/CN103322880A/en
Application granted granted Critical
Publication of CN103322880B publication Critical patent/CN103322880B/en
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Abstract

The invention relates to a detection tool assembly for detecting interference of a cam shaft hole and an engine oil pump hole of a diesel engine cylinder body. The detection tool assembly is formed by a cam shaft hole core rod, an engine oil pump hole no-go gauge core rod, an engine oil pump hole go gauge core rod and a detection flat plate, wherein the diameters of three measuring convex rings on the cam shaft hole core rod are the same as the size of the outer diameter of a cam shaft; the diameter of one end of the engine oil pump hole go gauge core rod is calculated by a distance allowance below nominal size from the center of the cam shaft to the center of an engine oil pump on the diesel engine cylinder body; and the diameter of one end of the engine oil pump hole no-go gauge core rod is calculated by a distance allowance above nominal size from the center of the cam shaft to the center of the engine oil pump on the diesel engine cylinder body. According to the detection tool assembly disclosed by the invention, the problem that whether the cam shaft and the engine oil pump of a diesel engine are interfered or not is more early and accurately found; and a follow-up unnecessary assembling link is reduced. The detection tool assembly disclosed by the invention is reasonable in design, simple to manufacture, low in cost, high in sensitivity, strong in practicability and convenient to operate.

Description

Detection testing tool assembly is interfered in diesel engine cylinder block camshaft hole and lubricating oil pump hole
Technical field
The invention belongs to the engine production technical field, be specifically related to a kind of detection tool for diesel engine cylinder block.
Background technology
Diesel engine drives lubricating oil pump work by camshaft, realizes each oil site on the diesel engine is supplied oil lubrication.Lubricating oil pump hole on the diesel engine cylinder block is that two hole axial lines are mutually vertical but non-intersect with the spatial relation of camshaft hole.Thereby camshaft and lubricating oil pump are the cylindric spiral gear engagement transmitting torque that adopts a pair of each other 90 ° of positions at the body inner chamber, if overlength appears in the relative camshaft hole position dimension in lubricating oil pump hole on the body, gear backlash will be increased and to gear drive impact, vibration and noise; Otherwise size is ultrashort, gear meshing interference, stuck so that lubricating oil pump bending shaft can occur, the major accident such as fracture.When the lubricating oil pump hole of production and processing inner chamber of cylinder block, the overproof problem of position dimension often appears, and process quality is difficult to reach requirement always.
Without the instrument that detects cylinder block two hole site dimension overproofs, can only pass through three-dimensional coordinates measurement cylinder body two hole site sizes at present in the prior art, although the method detects size results accurately, cost is high, and during operating cost, practicality is not strong.The invention provides a kind of tool assembly for detection of camshaft and lubricating oil pump Assembly Interference of very convenient, easy operating, can detect cylinder block camshaft hole and lubricating oil pump hole site size, can find earlier the interference of cam shaft for diesel engine and lubricating oil pump, reduce unnecessary assembling link, improved work efficiency.
Summary of the invention
Whether to interfere when cam shaft for diesel engine and lubricating oil pump are assembled in order early detecting exactly, to the invention provides diesel engine cylinder block camshaft hole and lubricating oil pump hole and interfere detection testing tool assembly.
Concrete technical solution is as follows:
Diesel engine cylinder block camshaft hole and lubricating oil pump hole interfere detection to form the testing tool assembly with the testing tool assembly by a camshaft hole plug, a lubricating oil pump hole no-go gage plug, a lubricating oil pump hole drift plug and a detection flat board; Described camshaft hole plug is provided with three places and measures bulge loop, and the diameter that bulge loop is measured at three places is all identical with the camshaft outside dimension, and the other end is knurling handle; The diameter of described lubricating oil pump hole drift plug one end calculates according to diesel engine cylinder block overhead cam shaft center and lubricating oil pump centre distance allowance below nominal size, and the other end is knurling handle; The diameter of described lubricating oil pump hole no-go gage plug one end is according to poor calculating on diesel engine cylinder block overhead cam shaft center and the lubricating oil pump centre distance, and the other end is knurling handle;
During detection, with the bottom surface of diesel engine cylinder block to being placed down on the flat board, first the rear end face of camshaft hole plug from diesel engine cylinder block inserted in the camshaft hole, first with the lubricating oil pump hole on the lubricating oil pump hole no-go gage plug insertion diesel engine cylinder block, again with the lubricating oil pump hole on the lubricating oil pump hole drift plug insertion diesel engine cylinder block.
Described detection flat board is the steel plate of thickness 15~20mm.
Adopt the present invention that camshaft hole and the lubricating oil pump hole site size of diesel engine are detected, can early find exactly the problem whether cam shaft for diesel engine and lubricating oil pump interfere, reduced follow-up unnecessary assembling link, improved work efficiency.The present invention is reasonable in design, makes simple, with low cost; Highly sensitive, practical, easy to operate.
Description of drawings
Fig. 1 is that the present invention uses constitutional diagram.
Fig. 2 is the cross-sectional figure of Fig. 1.
Fig. 3 is lubricating oil pump hole drift plug measuring state figure.
Sequence number among the upper figure: lubricating oil pump hole drift plug 1, lubricating oil pump hole no-go gage plug 2, camshaft hole plug 3, detection flat board 4, diesel engine cylinder block 5.
Embodiment
Below in conjunction with accompanying drawing, by embodiment the present invention is further described.
Embodiment
Referring to Fig. 1, diesel engine cylinder block camshaft hole and lubricating oil pump hole are interfered to detect with the testing tool assembly and are comprised of a camshaft hole plug 3, a lubricating oil pump hole no-go gage plug 2, a lubricating oil pump hole drift plug 1 and a detection dull and stereotyped 4.Camshaft hole plug 3 is provided with three places and measures bulge loop, and the diameter that bulge loop is measured at three places is all identical with the camshaft outside dimension, and an end is knurling handle; The diameter of lubricating oil pump hole drift plug 1 one ends calculates according to diesel engine cylinder block 5 overhead cam shaft centers and lubricating oil pump centre distance allowance below nominal size, and the other end is knurling handle.The diameter of lubricating oil pump hole no-go gage plug 2 one ends is according to poor calculating on diesel engine cylinder block 5 overhead cam shaft centers and the lubricating oil pump centre distance, and the other end is knurling handle.Detecting flat board is the steel plate of thickness 20mm.
During detection, the bottom surface of diesel engine cylinder block 5 is detected on dull and stereotyped 4 to being placed down in, detected to detect with lubricating oil pump hole drift plug 1 again with lubricating oil pump hole no-go gage plug 2 first and could judge whether the cylinder block size is qualified.The rear end face of camshaft hole plug 3 from diesel engine cylinder block 5 inserted the camshaft hole, the first step, first coat chalk on the φ 29.14 external diameter faces of cylinder of lubricating oil pump hole no-go gage plug 2 measuring junctions, again lubricating oil pump hole no-go gage plug 2 is inserted in the lubricating oil pump hole of diesel engine cylinder block 5, rotating machine oil pump hole no-go gage plug 2 several times repeatedly, lubricating oil pump hole no-go gage plug 2 is taken out from the lubricating oil pump hole of diesel engine cylinder block 5, whether the chalk dust of observing the φ 29.14 external diameter faces of cylinder of lubricating oil pump hole no-go gage plug 2 measuring junctions comes off, and overlength does not appear in the relative camshaft hole position dimension in lubricating oil pump hole of explanation diesel engine cylinder block 5 if chalk dust does not come off; Second step, first coat chalk on the φ 28.54 external diameter faces of cylinder of lubricating oil pump hole drift plug 1 measuring junction, again lubricating oil pump hole drift plug 1 is inserted in the lubricating oil pump hole of diesel engine cylinder block 5, rotating machine oil pump hole drift plug 1 several times repeatedly, lubricating oil pump hole drift plug 1 is taken out from the lubricating oil pump hole of diesel engine cylinder block 5, whether the chalk dust of observing the φ 28.54 external diameter faces of cylinder of lubricating oil pump hole drift plug 1 measuring junction comes off, and size is ultrashort if chalk dust comes off explanation.Satisfy at the same time lubricating oil pump hole drift plug 1 and detect chalk dust and do not come off and use lubricating oil pump hole no-go gage plug 2 detection chalk dust dropping situations, could judge that the relative camshaft hole position dimension in lubricating oil pump hole of diesel engine cylinder block 5 meets designing requirement.

Claims (2)

1. diesel engine cylinder block camshaft hole and lubricating oil pump hole interfere detection to use the testing tool assembly, it is characterized in that: by a camshaft hole plug, a lubricating oil pump hole no-go gage plug, a lubricating oil pump hole drift plug and the dull and stereotyped testing tool assembly that forms of detection; Described camshaft hole plug is provided with three places and measures bulge loop, and the diameter that bulge loop is measured at three places is all identical with the camshaft outside dimension, and the other end is knurling handle; The diameter of described lubricating oil pump hole drift plug one end calculates according to diesel engine cylinder block overhead cam shaft center and lubricating oil pump centre distance allowance below nominal size, and the other end is knurling handle; The diameter of described lubricating oil pump hole no-go gage plug one end is according to poor calculating on diesel engine cylinder block overhead cam shaft center and the lubricating oil pump centre distance, and the other end is knurling handle;
During detection, with the bottom surface of diesel engine cylinder block to being placed down on the flat board, first the rear end face of camshaft hole plug from diesel engine cylinder block inserted in the camshaft hole, first with the lubricating oil pump hole on the lubricating oil pump hole no-go gage plug insertion diesel engine cylinder block, again with the lubricating oil pump hole on the lubricating oil pump hole drift plug insertion diesel engine cylinder block.
2. diesel engine cylinder block overhead cam axis hole according to claim 1 and lubricating oil pump hole interfere detection to use the testing tool assembly, it is characterized in that: described detection flat board is the steel plate of thickness 15~20mm.
CN201310298350.6A 2013-07-17 2013-07-17 Diesel engine cylinder block camshaft hole and machine oil pumping holes interfere detection testing tool assembly Active CN103322880B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310298350.6A CN103322880B (en) 2013-07-17 2013-07-17 Diesel engine cylinder block camshaft hole and machine oil pumping holes interfere detection testing tool assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310298350.6A CN103322880B (en) 2013-07-17 2013-07-17 Diesel engine cylinder block camshaft hole and machine oil pumping holes interfere detection testing tool assembly

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CN103322880A true CN103322880A (en) 2013-09-25
CN103322880B CN103322880B (en) 2016-06-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201476736U (en) * 2009-07-31 2010-05-19 浙江豪情汽车制造有限公司 Gas inlet and outlet tube hole comprehensive tester of engine
CN102997777A (en) * 2012-10-30 2013-03-27 无锡市麦希恩机械制造有限公司 Structure for detecting positioning hole by aid of bolt of stop-pass gauge
CN202836400U (en) * 2012-05-17 2013-03-27 宁波拓普电器有限公司 Composite measuring die
CN103115546A (en) * 2012-10-19 2013-05-22 浙江吉利汽车研究院有限公司杭州分公司 Engine cooling inclined hole detection tool and detection method based on the same
CN203364693U (en) * 2013-07-17 2013-12-25 安徽全柴动力股份有限公司 Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201476736U (en) * 2009-07-31 2010-05-19 浙江豪情汽车制造有限公司 Gas inlet and outlet tube hole comprehensive tester of engine
CN202836400U (en) * 2012-05-17 2013-03-27 宁波拓普电器有限公司 Composite measuring die
CN103115546A (en) * 2012-10-19 2013-05-22 浙江吉利汽车研究院有限公司杭州分公司 Engine cooling inclined hole detection tool and detection method based on the same
CN102997777A (en) * 2012-10-30 2013-03-27 无锡市麦希恩机械制造有限公司 Structure for detecting positioning hole by aid of bolt of stop-pass gauge
CN203364693U (en) * 2013-07-17 2013-12-25 安徽全柴动力股份有限公司 Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection

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