CN201448347U - Input gear shaft for speed reducer of screening and crushing machine - Google Patents
Input gear shaft for speed reducer of screening and crushing machine Download PDFInfo
- Publication number
- CN201448347U CN201448347U CN2009200464797U CN200920046479U CN201448347U CN 201448347 U CN201448347 U CN 201448347U CN 2009200464797 U CN2009200464797 U CN 2009200464797U CN 200920046479 U CN200920046479 U CN 200920046479U CN 201448347 U CN201448347 U CN 201448347U
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- CN
- China
- Prior art keywords
- shaft
- gear
- gear shaft
- speed reducer
- journal
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- 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 an input gear shaft for the speed reducer of a screening and crushing machine, which is characterized in that a gear shaft (1) is formed by a shaft head (7), a shaft body (8), an end shaft neck (9), a middle shaft neck (10) and a gear (11), the shaft body (8) is between the end shaft neck (9) and the middle shaft neck (10), and the gear (11) is arranged on the shaft body (8); and the part of the gear shaft (1) on the side of the middle shaft neck (10) is the shaft head (7), and a keyway (4) is arranged on the shaft head (7). The utility model has the advantages that the structure is reasonable, the machining is simple and convenient, the strength of the gear is high, the normal operation of the gear shaft is ensured because the bearings are installed in a back-to-back way, the impact resistance is high, the operation is stable and reliable, the service life is long, and the maintenance and the inspection are convenient and high-efficiency. Moreover, since the oil seal is arranged, the lubricating oil is effectively prevented from splashing out and the service life of the bearing is improved.
Description
Technical field
The utility model relates to the speed reducer field, and especially a kind of screening crusher reducer is with importing gear shaft.
Background technique
Speed reducer is that a kind of power is passed on mechanism, utilizes the velocity transducer of gear, the winding number of power source is decelerated to desired winding number, and obtain the mechanism of big torque.Be used for the mechanism of transferring power and motion at present, the application area of speed reducer is quite extensive.Almost in the transmission system of various machinery, can see its trace, boats and ships, automobile, locomotive from the traffic tool, heavy facility for building, machining machine and tool that mechanical industry is used and automated production equipment, common household electrical appliances in the daily life, clock and watch or the like. it uses the transmission work from big power, to little load, accurate angle transmission can be seen the application of speed reducer, and on commercial Application, speed reducer has deceleration and increases the torque function.Therefore be widely used in the conversion equipment of speed and moment of torsion.
Speed reducer generally is used for the transmission device of low rotation speed large torque, motor, internal-combustion engine or other power that runs up are reached the purpose of deceleration by the gearwheel on the few gear engagement output shaft of the number of teeth on the input shaft of speed reducer, common speed reducer also has and several the same principle gear is reached desirable deceleration effect, the ratio of the number of teeth of big small gear is exactly a velocity ratio.
The input gear shaft is the crucial parts of speed reducer, and size, span, bearing designation, heat treatment process, method for fine machining and the supporting lubricating system and the lubricating oil product thereof of the strength of gear teeth, axle all are the factors that influences the speed reducer service behaviour.
Summary of the invention
The purpose of this utility model is to provide a kind of screening crusher reducer with the input gear shaft, to satisfy the performance requirement of high strength, big torque.
The technical solution of the utility model is:
A kind of screening crusher reducer is with importing gear shaft, and gear shaft is made up of spindle nose, axle body, end journal, middle axle journal and gear, and axle body is between end journal and middle axle journal, and axle body is provided with gear; Gear shaft is arranged in axle journal one side and is provided with spindle nose, and spindle nose is provided with keyway.
Be respectively equipped with bearing on described end journal and the middle axle journal, bearing is a tapered roller bearing.
The axle journal place is provided with lid in described, which is provided with circular groove, is provided with oil sealing in the circular groove.
Described covering is provided with lubricating cup.
The beneficial effects of the utility model are:
The utility model is rational in infrastructure, processing is easy, the strength of gear teeth is high, and bearing adopts back-to-back and installs, and guarantees the proper functioning of gear shaft, and impact resistance is big, stable and reliable operation, long service life, Maintenance and Repair convenient and efficient.
Set oil sealing, the lubricant oil that can effectively avoid splashing spills, and has improved the working life of bearing.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Among the figure: 1 is that gear shaft, 2 is gear for middle axle journal, 11 for end journal, 10 for axle body, 9 for spindle nose, 8 for lubricating cup, 7 for oil sealing, 6 for keyway, 5 for bearing, 4 for saturating lid, 3.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of screening crusher reducer is with importing gear shaft, and gear shaft 1 is made up of spindle nose 7, axle body 8, end journal 9, middle axle journal 10 and gear 11, and axle body 8 is between end journal 9 and middle axle journal 10, and axle body 8 is provided with gear 11; Gear shaft 1 is arranged in axle journal 10 1 sides and is provided with spindle nose 7, and spindle nose 7 is provided with keyway 4.
Be respectively equipped with bearing 3 on end journal 9 and the middle axle journal 10, bearing 3 is a tapered roller bearing.
Saturating lid 2 is provided with lubricating cup 6, makes things convenient for lubricating oil filling.
All more than 1.3, flexural strength is more than 1.9 through the checking computations contact strength for reducer gear 11 intensity.
Bearing 3 adopts import brand bearings such as SKF or NSK.
Adopt splash lubrication, high speed shaft adopts pressure lubrication in case of necessity; Interface sizes such as installation dimension and input, output are surveyed and drawn to on-the-spot according to structural drawings, rule of thumb formula is calculated and is determined application factor, generally gets more than 1.75, guarantees to reach complete machine interchangeability with former machine.
The material of gear 11, gear shaft 1 adopts the 20CrNi2MoA forging, flank of tooth carburizing and quenching roll flute, and pitch circle place four point measurements, tooth face hardness HRC60 ± 3, the accuracy of gear is pressed 5 grades of execution of ISO1328-1:1995 standard.Carburized layer depth adopts 0.15～0.2 times the modulus degree of depth that is higher than GB.
Gear shaft 1 material adopts 42CrMoA forging, quenching with Subsequent tempering, hardness HB250～290.Carry out the interior tissue flaw detection after the forging roughing, quality is not less than the I level among the JB/ZQ5000, magnetic powder detection after gear, the gear shaft fine finishing.
Claims (4)
1. a screening crusher reducer is with importing gear shaft, it is characterized in that gear shaft (1) is made up of spindle nose (7), axle body (8), end journal (9), middle axle journal (10) and gear (11), axle body (8) is arranged between end journal (9) and the axle journal (10), and axle body (8) is provided with gear (11); Gear shaft (1) is arranged in axle journal (10) one sides and is provided with spindle nose (7), and spindle nose (7) is provided with keyway (4).
2. screening crusher reducer according to claim 1 is characterized in that being respectively equipped with bearing (3) on described end journal (9) and the middle axle journal (10) with the input gear shaft, and bearing (3) is a tapered roller bearing.
3. screening crusher reducer according to claim 1 is with the input gear shaft, it is characterized in that described in axle journal (10) locate to be provided with lid (2), which is provided with circular groove, be provided with oil sealing (5) in the circular groove.
4. screening crusher reducer according to claim 3 is characterized in that with the input gear shaft described lid (2) is provided with lubricating cup (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464797U CN201448347U (en) | 2009-07-01 | 2009-07-01 | Input gear shaft for speed reducer of screening and crushing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200464797U CN201448347U (en) | 2009-07-01 | 2009-07-01 | Input gear shaft for speed reducer of screening and crushing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448347U true CN201448347U (en) | 2010-05-05 |
Family
ID=42553063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200464797U Expired - Fee Related CN201448347U (en) | 2009-07-01 | 2009-07-01 | Input gear shaft for speed reducer of screening and crushing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705349A (en) * | 2012-06-12 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Universal steering bearing |
| CN103541988A (en) * | 2013-11-04 | 2014-01-29 | 苏州优金金属成型科技有限公司 | Novel intermediate gear shaft |
-
2009
- 2009-07-01 CN CN2009200464797U patent/CN201448347U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705349A (en) * | 2012-06-12 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Universal steering bearing |
| CN103541988A (en) * | 2013-11-04 | 2014-01-29 | 苏州优金金属成型科技有限公司 | Novel intermediate gear 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: 20100505 Termination date: 20140701 |
|
| EXPY | Termination of patent right or utility model |