Soil pressure balance shield machine hypocycloid speed reducer

A technology of earth pressure balance and shield machine, which is applied in the direction of mechanical equipment, earth drilling, gear transmission, etc., can solve the problems of long delivery time and high price, and achieve the improvement of bearing capacity, service life and contact strength. high effect

Inactive Publication Date: 2011-09-21
吴小杰
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Problems solved by technology

This project is currently the core component of the most advanced tunnel construction machinery in the world - the earth pres

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  • Soil pressure balance shield machine hypocycloid speed reducer

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[0030] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below in conjunction with the accompanying drawings:

[0031] refer to figure 1 . A hypocycloid reducer for an earth pressure balance shield machine, comprising a hypocycloid ring gear, a cycloid wheel, an eccentric bearing, a column pin, a column sleeve, an input shaft, a W output mechanism and a support bearing, characterized in that: The linear transmission part is installed in the cavity formed by connecting the front end cover (5) and the rear end cover (11) respectively at both ends of the hypocycloid ring gear (1), wherein:

[0032] (A) The eccentric bearings are two identical double eccentric bearings (9) mounted on the shaft extension end of the input shaft (13), and the input shaft (13) is supported by the bearing (14) in the rear end cover (11) hole, the cycloid wheel is four identical cycloid wheels (4), wherein: the phase difference between the first cycloid...

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Abstract

The invention relates to the technical field of shield machine speed reduction, and discloses a soil pressure balance shield machine hypocycloid speed reducer. The soil pressure balance shield machine hypocycloid speed reducer is characterized in that: a cycloid driving part is arranged in a cavity formed by connecting a front end cover with a back end cover by using a pin wheel housing, wherein the phase differences between a first wheel and a second wheel and between a third wheel and a fourth wheel in four cycloidal wheels on a double-eccentric bearing are 180 degrees, and the phase of the second wheel is the same as that of the third wheel; and a W output mechanism consists of an output shaft, a pin and a uniform loading plate, the pin is provided with three circular ring plates to form a four-section freely supported structure, and the W output mechanism is supported in an inner hole of the front end cover and an inner flange outer circle of the back end cover through a bearing respectively. The soil pressure balance shield machine hypocycloid speed reducer has the following advantages that: (1) the axial size is 45 to 55 percent shorter than that of a third-class planetary reduction gear of the background art; (2) the cycloidal wheels can be assembled in a reversed mode to double the service life; (3) the manufacturing cost is 40 to 50 percent of that of the third-class planetary reduction gear of the background art; and (4) the inertia force and the inertia moment in operation are theoretically completely balanced.

Description

technical field [0001] The invention relates to the technical field of shield machine deceleration, and relates to an earth pressure balance shield machine hypocycloid reducer. Background technique [0002] "High-power three-stage planetary reducer for earth pressure balance shield machine" (200810231114.1) of CITIC Heavy Industry Machinery Co., Ltd. and Luoyang Mining Machinery Design and Research Institute is a national 863 plan project for three years from 2007 to 2010. This project is currently the core component of the world's most advanced tunnel construction machinery - earth pressure balance shield machine. my country has long relied on imports, with long delivery times and high prices. [0003] The concept of the invention is based on ①Cheng Daxian's "Mechanical Design Manual" Volume 3. Figure 14-5-31; ②Zhu Xiaolu's "Gear Transmission Design Manual" Figure 7-23; ③"Suspension Balanced Planetary Gear Reducer" 95243413. X; ④ Zhang Zhan "Planetary Differential Transmis...

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Application Information

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IPC IPC(8): F16H1/28E21D9/06
Inventor 吴声震
Owner 吴小杰
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