CN103836149A - Improved diesel engine crankshaft gear key groove - Google Patents
Improved diesel engine crankshaft gear key groove Download PDFInfo
- Publication number
- CN103836149A CN103836149A CN201210479779.0A CN201210479779A CN103836149A CN 103836149 A CN103836149 A CN 103836149A CN 201210479779 A CN201210479779 A CN 201210479779A CN 103836149 A CN103836149 A CN 103836149A
- Authority
- CN
- China
- Prior art keywords
- gear
- key groove
- diesel engine
- engine crankshaft
- keyway
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses an improved diesel engine crankshaft gear key groove. The shape of a gear key groove is improved to solve the problem that stress concentration happens at a flat key groove angle. According to the improved diesel engine crankshaft gear key groove, a key groove of a gear II (3) is a non-through round key groove (4), and a cylindrical pin (5) is mounted at the joint face of the round key groove (4) of the gear II (3) and a crankshaft II. The improved diesel engine crankshaft gear key groove has the advantages that stress concentration under the gear stress state is effectively reduced, and the mounted cylindrical pin can locate the angle between the gear and the crankshaft.
Description
Technical field
The present invention relates to timing gear for diesel engine, be specifically related to a kind of remodeling crankshaft of diesel engine tooth
Wheel key way.
Background technique
Existing diesel crankshaft gear I 1 structure as shown in Figure 1 and Figure 2, because gear I 1 wall thickness is thinner and adopt passing through type flat key groove 2, common and bent axle I is interference fit, concentrates therefore produce stress in position, keyway angle, affect the intensity of gear I 1, through being everlasting, rupture in 2 jiaos of positions of gear flat key groove.
Summary of the invention
The open a kind of remodeling diesel engine crankshaft gear keyway of the present invention, by improving the shape of gear keyway, addresses the above problem.Technological scheme of the present invention is: (4) gear II (3) keyway is made as obstructed circular keyway, and (5) (4) described gear II circular keyway (3) install straight pin with bent axle II junction plane.
Usefulness of the present invention is: the stress effectively having reduced under strength of gear state is concentrated, and straight pin is installed and can be guaranteed gear and bent interaxis angle.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is existing gear plan view;
Fig. 2 is existing gear side view;
Fig. 3 is gear plan view;
Fig. 4 is gear right elevation.
Illustration: gear I 1, flat key groove 2, gear II 3, circular keyway 4, straight pin 5.
Embodiment
As shown in Figure 3, Figure 4, from meeting the prerequisite that gear II 3 and timing relation, the transmitting torque of bent axle II are constant, reach again and increase the stressed object technical requirements of gear II 3, to gear II, 3 designs adopt obstructed circular keyway 4, and the stress effectively having reduced under gear II 3 stresses is concentrated; At circular keyway 4 junction planes of bent axle II and gear II 3, straight pin 5 is installed simultaneously, is played the positioning action of limiting gear II 3 and bent axle II angle.
Claims (2)
1. a remodeling diesel engine crankshaft gear keyway, is characterized in that: (4) described gear II (3) keyway is made as obstructed circular keyway.
2. the diesel engine crankshaft gear keyway of retrofiting according to claim 1, is characterized in that: (5) (4) described gear II circular keyway (3) install straight pin with bent axle II junction plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479779.0A CN103836149A (en) | 2012-11-23 | 2012-11-23 | Improved diesel engine crankshaft gear key groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479779.0A CN103836149A (en) | 2012-11-23 | 2012-11-23 | Improved diesel engine crankshaft gear key groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103836149A true CN103836149A (en) | 2014-06-04 |
Family
ID=50799932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210479779.0A Pending CN103836149A (en) | 2012-11-23 | 2012-11-23 | Improved diesel engine crankshaft gear key groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240487A (en) * | 2015-10-19 | 2016-01-13 | 泰州市科诚汽车零配件有限公司 | Timing belt wheel for battery electric vehicle engine crankshaft and manufacturing method of timing belt wheel |
| CN105240490A (en) * | 2015-10-19 | 2016-01-13 | 泰州市科诚汽车零配件有限公司 | Timing chain wheel for enhanced car engine and manufacturing method of timing chain wheel |
-
2012
- 2012-11-23 CN CN201210479779.0A patent/CN103836149A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240487A (en) * | 2015-10-19 | 2016-01-13 | 泰州市科诚汽车零配件有限公司 | Timing belt wheel for battery electric vehicle engine crankshaft and manufacturing method of timing belt wheel |
| CN105240490A (en) * | 2015-10-19 | 2016-01-13 | 泰州市科诚汽车零配件有限公司 | Timing chain wheel for enhanced car engine and manufacturing method of timing chain wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |