CN201862789U - Live centre of crankshaft - Google Patents
Live centre of crankshaft Download PDFInfo
- Publication number
- CN201862789U CN201862789U CN2010205899302U CN201020589930U CN201862789U CN 201862789 U CN201862789 U CN 201862789U CN 2010205899302 U CN2010205899302 U CN 2010205899302U CN 201020589930 U CN201020589930 U CN 201020589930U CN 201862789 U CN201862789 U CN 201862789U
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- Prior art keywords
- centre
- live
- groove
- hole
- bearing
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a live centre of a crankshaft, which is simple in assembly structure and uniform in stress. The live centre comprises a centre body, a through hole is arranged on the centre body, a groove is arranged at one end of the centre body, a swivel nut is located in the groove, a three-level boss type groove is arranged at the other end of the centre body, the centre is embedded in the three-level boss type groove of the centre body via a radial ball bearing, a thrust bearing and a single-row tapered roller bearing and is arranged externally, and a hole is arranged at the center of a cover and penetrates through the centre to be fixed at the other end of the centre body. The live centre has the advantages that firstly, the live centre is completely applicable to manufacture of the crankshaft, and secondly, the live centre is simple in structure, stable in operation and high in reliability.
Description
Technical field
A kind of assembly structure of the utility model is simple, the top stressed uniform crank up of bent axle is top, belongs to the crankshaft component assembly and makes the field.
Background technology
CN2107336Y, title " live centre ", live centre includes top, label, sealing ring, bearing cap, bearing needle, thrust bearing, top main body, bearing and packing ring and forms top being plugged among the top main body.Binding site in top and top main body is equipped with bearing needle, thrust bearing and bearing, to solve the top centripetal force that produces at work of machine tool rotary and the problem of axial force.Its weak point: this live centre, only be applicable to the lathe live centre, it is top not to be suitable for crank up.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of can be used in the axle bent rotating crank up top.
Design: in order to realize above-mentioned purpose of design.The application is on the basis of existing top body structure, top body one end is designed to groove, and this groove is to spin with swivel nut and cooperates, and has oil filler point on top body and swivel nut wall, this oil filler point is communicated with through hole in the top body body body, reaches to the lubricated purpose of top internal mechanism fuel feeding.The end that is used to install top top body has three grades of projective table type grooves, three grades of axles in these three grades of projective table type grooves and the top top body portion are embedded in by radial ball bearing, thrust bearing, single-row tapered roller bearing in three grades of projective table type grooves of top body, and lid passes top being fixed on the top body other end.
Technical scheme: bent axle is top, it comprises top body, described top body body body has through hole, top body one end has groove, swivel nut is positioned at groove, the top body other end has three grades of projective table type grooves, and in top three grades of projective table type grooves that are embedded in top body by radial ball bearing, thrust bearing, single-row tapered roller bearing and outside top, the lid center has the hole and passes top being fixed on the top body other end.
The utility model is compared with background technology, and the one, be applicable to the manufacturing of bent axle fully; The 2nd, simple in structure, stable, the reliability height.
Description of drawings
Fig. 1 is the top structural representation of crank up.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1.Bent axle is top, it comprises top body 1, described top body 1 body body has through hole, top body 1 one ends have groove, swivel nut 8 is positioned at groove, top body 1 other end has three grades of projective table type grooves, and top 6 are embedded in three grades of projective table type grooves of top body and top 6 outside, 5 centers of covering have the hole and pass top being fixed on top body 1 other end by radial ball bearing 2, thrust bearing 3, single-row tapered roller bearing 4.
Have oilhole on described top body 1, the swivel nut 8 and communicate with through hole in the top body 1 body body.
What need understand is: though the foregoing description is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (2)
1. a bent axle is top, it comprises top body, it is characterized in that: described top body body body has through hole, top body one end has groove, swivel nut is positioned at groove, the top body other end has three grades of projective table type grooves, and in top three grades of projective table type grooves that are embedded in top body by radial ball bearing, thrust bearing, single-row tapered roller bearing and outside top, the lid center has the hole and passes top being fixed on the top body other end.
2. bent axle according to claim 1 is top, and it comprises top body, it is characterized in that: have oilhole on described top body, the swivel nut and communicate with through hole in the top body body body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205899302U CN201862789U (en) | 2010-11-04 | 2010-11-04 | Live centre of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205899302U CN201862789U (en) | 2010-11-04 | 2010-11-04 | Live centre of crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201862789U true CN201862789U (en) | 2011-06-15 |
Family
ID=44133956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205899302U Expired - Fee Related CN201862789U (en) | 2010-11-04 | 2010-11-04 | Live centre of crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201862789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581319A (en) * | 2012-02-29 | 2012-07-18 | 蔡春男 | Mounting structure with internally-arranged clearance-pre-adjusting type rotating shaft |
-
2010
- 2010-11-04 CN CN2010205899302U patent/CN201862789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581319A (en) * | 2012-02-29 | 2012-07-18 | 蔡春男 | Mounting structure with internally-arranged clearance-pre-adjusting type rotating shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |