CN200989399Y - Improved overdrive clutch - Google Patents
Improved overdrive clutch Download PDFInfo
- Publication number
- CN200989399Y CN200989399Y CN 200620140960 CN200620140960U CN200989399Y CN 200989399 Y CN200989399 Y CN 200989399Y CN 200620140960 CN200620140960 CN 200620140960 CN 200620140960 U CN200620140960 U CN 200620140960U CN 200989399 Y CN200989399 Y CN 200989399Y
- Authority
- CN
- China
- Prior art keywords
- spring
- phi
- center hole
- clutch according
- input shaft
- 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.)
- Ceased
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Abstract
The utility model relates to a transmission device for the engineering machinery, in particular to an improved transmission overrunning clutch and consists mainly of a middle input shaft, a cam and an external-ring gear. A center hole of a bearing seat is changed from phi 0.8 to phi 1.0-1.2, the flowing capability of the working medium and the dirt are enhanced and the sedimentation of the trashes in the spring seat cavity can be reduced. The diameter of 65 Mn spring steel wire is changed from phi 0.30 to phi 0.35 to phi 0.40 and the rigidity and compressive strength are enhanced. With the improvements, the probability of the skidding transmission running clutch assembly and weak operation resulted in the dirt sedimentation, failure and distortion of the spring and block-up of the spring seat hole is reduced, and the running clutch assembly is increased in the reliability and service life.
Description
Technical field
The utility model relates to a kind of engineering machinery transmission device, especially a kind of modified model transmission free wheel device.
Background technique
Transmission free wheel device of the prior art, its spring seat are that the tin bronze material is made, and bump hair easily, gall plug-hole; Its center-hole diameter is Φ 0.8 only, and working medium and dirt flow not smooth, the easy deposit dirt of spring seat inner chamber; The 65Mn steel wire diameter of its spring is Φ 0.3, and rigidity and compressive strength are all lower, easily produces fatigue failure in the work, thereby causes the transmission free wheel device to skid, and it is unable to work, and can not guarantee the locomotive proper functioning.
Summary of the invention
The purpose of this utility model is in order to provide a kind of structure more reasonable, and performance is more reliable, the transmission free wheel device of longer service life.
For realizing the purpose of this utility model, this specification provides a kind of modified model transmission free wheel device, input shaft, interior ring cam and outer ring gear in the middle of comprising.In center hole is arranged on the raceway wall of ring cam, the spring seat that spring is housed is packed in the center hole, spring stretches out and withstands roller.Middle input shaft adopts galvanizing steel or steel chromium plating composite structure.
Spring Coil-up steel wire diameter scope is between Φ 0.35mm-Φ 0.40mm, and the best is Φ 0.38mm.The center-hole diameter scope is between Φ 1.0mm-Φ 1.2mm, and the best is Φ 1.1mm.
The utility model is compared with prior art, has following advantage: after the material change of spring seat, strengthened wear resistance and anti-collision ability, reduced the plug-hole probability; After the spring seat center hole changes greatly, strengthen the fluid ability of working medium and dirt, thereby reduced the deposition of spring seat inner chamber greasy dirt, rubbish; After the Spring Steel Wire enlarged diameter, increased rigidity, anti-pressure ability and the fatigue resistance of spring, increased the service life.
The purpose of this utility model, feature and advantage will be in conjunction with the embodiments, are further described with reference to accompanying drawing.
Description of drawings
Fig. 1 is an improvement part structural representation of the present utility model;
Among the figure: 1 is spring seat, and 2 is spring, and 3 is roller, and 9 is interior ring cam, and 10 is the raceway wall, and 11 is center hole.
Embodiment
With reference to last figure, provide following embodiment.To help to understand the utility model by embodiment, but not limit content of the present utility model.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Embodiment 1: this modified model transmission free wheel device, input shaft, interior ring cam 9 and outer ring gear in the middle of comprising.In center hole 11 is arranged on the raceway wall 10 of ring cam 9, the spring seat 1 that spring 2 is housed is packed in the center hole 11, spring 2 stretches out and withstands roller 3.Middle input shaft adopts the galvanizing steel composite structure.Use spring seat instead carbon steel or Bearing Steel by figure paper conversion, center hole changes Φ 1.1mm into, carries out zinc-plated then or chromium plating is handled.The 65Mn steel wire of Φ 0.38mm is turned to spring by drawing, and heat-treat by prior art.During assembling,, in the center hole 11 in packing into together then on the raceway wall 10 of ring cam 9, be assembled into the transmission overdrive clutch assembly by technological requirement again with spring 2 spring seat 1 of packing into.
Embodiment 2: embodiment's 1 described clutch, middle input shaft adopt steel chromium plating composite structure, and spring 2 coiling steel wire diameter are Φ 0.35mm.Center hole 11 diameters are Φ 1.0mm.
Embodiment 3: embodiment's 1 described clutch, and spring 2 coiling steel wire diameter are Φ 0.40mm, center hole 11 diameters are Φ 1.2mm.
Claims (6)
1, a kind of modified model transmission free wheel device, input shaft, interior ring cam (9) and outer ring gear in the middle of comprising, it is characterized in that: on the raceway wall (10) of interior ring cam (9) center hole (11) is arranged, the spring seat (1) that spring (2) are housed is packed in the center hole (11), and spring (2) stretches out and withstands roller (3).
2, clutch according to claim 1 is characterized in that: input shaft adopts galvanizing steel or steel chromium plating composite structure in the middle of described.
3, clutch according to claim 1 is characterized in that: described spring (2) coiling steel wire diameter scope is between Φ 0.35mm-Φ 0.40mm.
4, clutch according to claim 3 is characterized in that: described spring (2) coiling steel wire diameter is best to be Φ 0.38mm.
5, clutch according to claim 1 is characterized in that: described center hole (11) diameter range is between Φ 1.0mm-Φ 1.2mm.
6, clutch according to claim 5 is characterized in that: described center hole (11) diameter is best to be Φ 1.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140960 CN200989399Y (en) | 2006-12-12 | 2006-12-12 | Improved overdrive clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140960 CN200989399Y (en) | 2006-12-12 | 2006-12-12 | Improved overdrive clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989399Y true CN200989399Y (en) | 2007-12-12 |
Family
ID=38940436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620140960 Ceased CN200989399Y (en) | 2006-12-12 | 2006-12-12 | Improved overdrive clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989399Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182769A (en) * | 2011-03-14 | 2011-09-14 | 杭州宗兴齿轮有限公司 | Spring resetting type overrunning clutch for energy-conservation type loader |
-
2006
- 2006-12-12 CN CN 200620140960 patent/CN200989399Y/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182769A (en) * | 2011-03-14 | 2011-09-14 | 杭州宗兴齿轮有限公司 | Spring resetting type overrunning clutch for energy-conservation type loader |
| CN102182769B (en) * | 2011-03-14 | 2012-11-14 | 杭州宗兴齿轮有限公司 | Spring resetting type overrunning clutch for energy-conservation type loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20091029 Decision number of declaring invalidation: 13976 Granted publication date: 20071212 |