Design method of spiral bevel gear

A technology of spiral bevel gear and design method, which is applied to belts/chains/gears, mechanical equipment, components with teeth, etc., can solve the problem that the parameters are not easy to control, the selection of initial values ​​is harsh, and it is difficult to find the optimal solution, etc. question

Inactive Publication Date: 2010-10-20
南通欧特建材设备有限公司 +1
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Problems solved by technology

It can be seen that the optimal solution obtained by this method may not be the real optimal solution, and the selection of the initial value is harsh, and the convergence is difficult to judge, so it is difficult to f

Method used

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  • Design method of spiral bevel gear
  • Design method of spiral bevel gear
  • Design method of spiral bevel gear

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Embodiment Construction

[0044] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0045] This embodiment is to design a pair of Gleason spiral bevel gear transmission in the automobile reducer, and the performance specification requirements are shown in Table 1

[0046] Table 1 Spiral bevel gear transmission requirements

[0047] Input powerP / (kw)

10

Small spiral bevel gear speed n 1 / (r / min)

1450

Gear ratio i

3

Helix angle at midpoint of tooth width β m / (°)

35

Tooth width coefficient φ R

0.3

Life t / (h)

15000

prime mover

electric motor

Vibration intensity

slight vibration

Support

with one round cantilever

Allowable reliability of contact strength [R H ]

0.99

Bending strength allowable reliability [R Fj ]

0.99

[0048] (1) Establish a coordinate system

[0049] Take the number of small spiral beve...

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Abstract

The invention relates to a design method of a spiral bevel gear, which is technically characterized in that a coordinate system is established by using the tooth number z of small spiral bevel gears as an abscissa and using the end surface module mi of larger ends as an ordinate, a tooth number-module curve satisfying critical condition thereof is respectively drawn according to contact strength constraint conditions and bending strength constraint conditions, and a public area above the two curves is a feasible region satisfying strength reliability requirements. On the basis, the overlap ratio of the gear under the specific tooth number is marked, so that the optimal solution of gear driving is obtained in the feasible region simultaneously satisfying an overlap ratio constraint condition. Then a tooth number-module curve corresponding to a preset volume is drawn, and a discrete optimal solution with the smallest volume is found by continuously changing a preset volume value. A gearreliability optimization method disclosed by the invention breaks through a traditional reliability optimization method, overcomes the defects of an existing optimization method and is the design method which can be applied to the reliability optimization of all gears.

Description

technical field [0001] The invention relates to a design method of a spiral bevel gear, which is applicable to the design method of a spiral bevel gear (with constant tooth width coefficient and constant helix angle) in the fields of automobiles and the like. Background technique [0002] Spiral bevel gear transmission has the advantages of high load capacity, smooth motion and low noise, so it has been widely used in high-speed and heavy-duty transmission. The high reliability requirements of spiral bevel gear transmission will inevitably lead to an increase in the volume and quality of the gear. Therefore, research on the reliability optimization design of the spiral bevel gear transmission to minimize the volume and weight is in line with the objective and actual needs. [0003] At present, the research methods for the reliability optimization design of gear transmission include compound shape method, feasible enumeration method, MDCP method and so on. Both the compound...

Claims

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Application Information

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IPC IPC(8): F16H55/17F16H55/08
Inventor 葛文杰王丽平杨开平马晓雪程静
Owner 南通欧特建材设备有限公司
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