CN203364693U - Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection - Google Patents
Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection Download PDFInfo
- Publication number
- CN203364693U CN203364693U CN 201320422947 CN201320422947U CN203364693U CN 203364693 U CN203364693 U CN 203364693U CN 201320422947 CN201320422947 CN 201320422947 CN 201320422947 U CN201320422947 U CN 201320422947U CN 203364693 U CN203364693 U CN 203364693U
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- CN
- China
- Prior art keywords
- oil pump
- hole
- lubricating oil
- diesel engine
- engine cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Lubrication Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection. The detection tool assembly is composed of a cam shaft hole mandril, an engine oil pump hole no-go gauge mandril, an engine oil pump hole go gauge mandril and a piece of detection flat plate. Diameters of three measuring bulge loops on the cam shaft hole mandril are all the same as the outer diameter of a cam shaft. The diameter of one end of the engine oil pump hole go gauge mandril is calculated according to the lower tolerance of the distance between the center of the cam shaft on a diesel engine cylinder and the center of an engine oil pump. The diameter of one end of the engine oil pump hole no-go gauge mandril is calculated according to the upper tolerance of the distance between the center of the cam shaft on the diesel engine cylinder and the center of the engine oil pump. According to the utility model, the problem whether the diesel engine cylinder cam shaft and the engine oil pump is in interference can be found accurately earlier, and the subsequent unnecessary assembly steps can be omitted. According to the utility model, advantages of reasonable design, easy fabrication, low cost, good sensitivity, good practicability and convenient operation can be realized.
Description
Technical field
The utility model belongs to the engine production technical field, is 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 diesel engine is supplied to oil lubrication.Lubricating oil pump hole on 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 90 ° of positions each other at the body inner chamber, if on body, overlength appears in the relative camshaft hole position dimension in lubricating oil pump hole, will make gear backlash increase and to gear drive impact, vibration and noise; Otherwise size is ultrashort, there will be gear meshing interference, stuck so that lubricating oil pump bending shaft, 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, 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 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 be detected 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 in order early to detect exactly when cam shaft for diesel engine and lubricating oil pump are assembled, interfere, the utility model provides diesel engine cylinder block camshaft hole and lubricating oil pump hole to interfere to detect and uses the 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 lubricating oil pump centre distance, and the other end is knurling handle;
During detection, by the bottom surface of diesel engine cylinder block to being placed down on flat board, first the camshaft hole plug is inserted in camshaft hole from the rear end face of diesel engine cylinder block, first with lubricating oil pump hole no-go gage plug, insert the lubricating oil pump hole on diesel engine cylinder block, then insert the lubricating oil pump hole on diesel engine cylinder block with lubricating oil pump hole drift plug.
Described detection flat board is the steel plate of thickness 15～20mm.
Adopt the utility model to be detected camshaft hole and the lubricating oil pump hole site size of diesel engine, 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 utility model is reasonable in design, manufactures simple, with low cost; Highly sensitive, practical, easy to operate.
The accompanying drawing explanation
Fig. 1 is that the utility model is used constitutional diagram.
The cross-sectional figure that Fig. 2 is Fig. 1.
Fig. 3 is lubricating oil pump hole drift plug measuring state figure.
Sequence number in 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 utility model is further described.
Embodiment
Referring to Fig. 1, diesel engine cylinder block camshaft hole and lubricating oil pump hole are interfered to detect and are detected flat board 4 with the testing tool assembly by a camshaft hole plug 3, lubricating oil pump hole no-go gage plug 2, lubricating oil pump hole drift plug 1 and one and form.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 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, first with lubricating oil pump hole no-go gage plug 2, detected again and detect and could judge that whether the cylinder block size is qualified with lubricating oil pump hole drift plug 1.Camshaft hole plug 3 is inserted camshaft hole from the rear end face of diesel engine cylinder block 5, the first step, first on the φ 29.14 external diameter faces of cylinder of lubricating oil pump hole no-go gage plug 2 measuring junctions, coat chalk, 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, if chalk dust does not come off, overlength does not appear in the relative camshaft hole position dimension in lubricating oil pump hole of explanation diesel engine cylinder block 5, second step, first on the φ 28.54 external diameter faces of cylinder of lubricating oil pump hole drift plug 1 measuring junction, coat chalk, 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, if chalk dust comes off explanation, size is ultrashort.Meet at the same time lubricating oil pump hole drift plug 1 detection chalk dust and do not come off and use lubricating oil pump hole no-go gage plug 2 to detect the 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 a 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 lubricating oil pump centre distance, and the other end is knurling handle;
During detection, by the bottom surface of diesel engine cylinder block to being placed down on flat board, first the camshaft hole plug is inserted in camshaft hole from the rear end face of diesel engine cylinder block, first with lubricating oil pump hole no-go gage plug, insert the lubricating oil pump hole on diesel engine cylinder block, then insert the lubricating oil pump hole on diesel engine cylinder block with lubricating oil pump hole drift plug.
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, and it is characterized in that: described detection flat board is the steel plate of thickness 15～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320422947 CN203364693U (en) | 2013-07-17 | 2013-07-17 | Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320422947 CN203364693U (en) | 2013-07-17 | 2013-07-17 | Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364693U true CN203364693U (en) | 2013-12-25 |
Family
ID=49812442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320422947 Withdrawn - After Issue CN203364693U (en) | 2013-07-17 | 2013-07-17 | Detection tool assembly for diesel engine cylinder cam shaft hole and engine oil pump hole interference detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203364693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322880A (en) * | 2013-07-17 | 2013-09-25 | 安徽全柴动力股份有限公司 | Detection tool assembly for detecting interference of cam shaft hole and engine oil pump hole of diesel engine cylinder body |
-
2013
- 2013-07-17 CN CN 201320422947 patent/CN203364693U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322880A (en) * | 2013-07-17 | 2013-09-25 | 安徽全柴动力股份有限公司 | Detection tool assembly for detecting interference of cam shaft hole and engine oil pump hole of diesel engine cylinder body |
| CN103322880B (en) * | 2013-07-17 | 2016-06-08 | 安徽全柴动力股份有限公司 | Diesel engine cylinder block camshaft hole and machine oil pumping holes interfere detection testing tool assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |