Petroleum drilling trajectory-controlled harmonic gear transmission device
A trajectory control, harmonic gear technology, applied in the direction of gear transmission, transmission, belt/chain/gear, etc., can solve the problem of inability to meet the stepless adjustable wellbore trajectory control tool, low transmission efficiency of underground work, reduction mechanism Large volume and other problems, to achieve the effect of light weight, high fatigue resistance, and large bearing capacity
Inactive Publication Date: 2011-11-09
YANGTZE UNIVERSITY
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Problems solved by technology
Due to the bulky size of ordinary reduction mechanisms, low transmission efficiency and low load-carrying capacity for underground work, and the inability to transmit motion in confined spaces and oil bath conditions, and it is difficult to withstand extremely harsh environments such as high temperature and high pressure, the existing gear reduction mechanisms Far from being able to meet the requirements of a steplessly adjustable wellbore trajectory control tool, it is urgent to study a deceleration mechanism with a small volume, a large transmission ratio, and a large load-carrying capacity to adapt to the current drilling of various complex-structured wells and various wellbores. Trajectory Control Tool Requirements
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[0013] The present invention is a kind of harmonic gear transmission device for oil drilling track control, which is composed of rigid gear 1, flexible gear 2, bearing 3, wave generator 4, hollow shaft 5; rigid gear 1 has an inner gear, which is equivalent to The center wheel in the planetary system; the flexible gear 2 has an outer ring gear, which is equivalent to a planetary gear, and can produce deformation; the wave generator 4 is an elliptical cam, which is equivalent to a planet carrier; the wave generator 4 is installed on the hollow shaft 5, A bearing 3 is installed between the wave generator 4 and the flexible gear 2; a rigid gear 1 is installed on the outer ring of the flexible gear 2; the number of teeth of the flexible gear 2 is 2 less than that of the rigid gear 1; , Corrosion-resistant 30 chromium manganese silicon material processing.
[0014] The wave generator 4 is the input end, and the rigid gear 1 is the output end, which can realize deceleration and obtai...
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The invention relates to a petroleum drilling trajectory-controlled harmonic gear transmission device. The device is characterized by being provided with a rigidity gear (1), a flexible gear (2), a bearing (3), a wave generator (4) and a hollow shaft (5), wherein the rigidity gear (1) is provided with an inner gear ring; the flexible gear (2) is provided with an outer gear ring; the wave generator (4) is provided with an elliptic cam and is arranged on the hollow shaft (5); the bearing (3) is between the wave generator (4) and the flexible gear (2); the rigidity gear (1) is arranged on the outer ring of the flexible gear (2); the flexible gear (2) is provided with two less teeth than the rigidity gear (1); and the flexible gear (2) is formed by processing a 30 chromium magnesium silicon material. The harmonic gear transmission device has small size, light weight and high transmission efficiency, can be suitable for a narrow underground space, is transmitted stably, and is operated safely and reliably; and the flexible gear is made of flexible gear materials with high fatigue resistance, so that the service life of the device is greatly prolonged.
Description
Technical field: [0001] The invention relates to a harmonic gear transmission device for petroleum drilling trajectory control, belonging to the technical field of petroleum machinery power transmission mechanism design. Background technique: [0002] Harmonic transmission is a general term for a transmission device newly developed in modern times that relies on the elastic deformation of the intermediate flexible member to realize motion or power transmission. The deformation process of the intermediate flexible member is basically a symmetrical harmonic. According to the different requirements of use, the harmonic drive can be divided into different types, mainly including: harmonic gear drive, harmonic screw drive, harmonic friction drive, Harmonic continuously variable transmissions and harmonic couplings, etc., among which harmonic gear transmission is the most widely used. [0003] In order to save oil development costs and increase oil production, oil and gas product...
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IPC IPC(8): F16H1/24
Inventor 冯定袁咏心罗强
Owner YANGTZE UNIVERSITY
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