Gear and rack transmission device capable of eliminating wearing clearance
A technology of rack and pinion and wear gap, which is applied to the transmission device, transmission device parts, friction transmission device, etc. It can solve the problems of large gear tooth transmission gap, easy wear of gears, and increased maintenance costs, so as to improve installation accuracy , Reduce maintenance costs and improve service life
Active Publication Date: 2012-04-25
北京平和机器科技有限公司
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Problems solved by technology
[0002] Rack and pinion transmission has the advantages of long transmission distance and large transmission power, but the gears in the existing rack and pinion transmission are relatively prone to wear during use, resulting in larger transmission gaps between gear teeth and poor transmission accuracy. The noise increases and the transmission efficiency decreases, which will cause unnecessary energy loss. If the equipment is repaired and the worn gears are replaced, the maintenance cost will be increased
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[0017] Such as figure 1 and figure 2 As shown, the rack and pinion transmission device of the present invention that can eliminate the wear gap includes a rack 17, a gear 16 and a frame 2, the rack 17 is engaged with the gear 16, the gear 16 is installed on the pinion shaft 14, and the pinion shaft 14 The middle part of the eccentric sleeve can be rotatably installed in the inner hole of the eccentric sleeve 15; The central axes of the side walls of the circular holes are parallel to each other, and the outer circular side walls of the eccentric sleeve 5 are sleeved in the positioning holes on the frame 2 . During installation, the meshing gap between the gear 16 and the rack 17 can be adjusted by rotating the eccentric sleeve 15, thereby improving installation accuracy and reducing transmission noise. When the gear 16 wears out, the gear 16 can also be used continuously by rotating the eccentric sleeve 15 to adjust the meshing gap between the gear 16 and the rack 17, there...
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The invention relates to a gear and rack transmission device capable of eliminating a wearing clearance. The device comprises a rack (17), a gear (16) and a frame (2), wherein the rack (17) is engaged with the gear (16); the gear (16) is mounted on a gear shaft (14); the middle part of the gear shaft (14) is rotatably mounted in an inner round hole of an eccentric sleeve (15); the side wall of the excircle of the eccentric sleeve (15) and the side wall of the inner round hole are eccentrically arranged with different centers of circle; the central axis of side wall of the excircle of the eccentric sleeve (15) and the central axis of the side wall of the inner round hole are mutually parallel; and the side wall of the excircle of the eccentric sleeve (15) is sleeved in a location hole on the frame (2). The invention aims at providing a gear and rack transmission device capable of eliminating a wearing clearance which is convenient to assemble, regulate and maintain, and can maintain high-efficiency transmission and transmission accuracy in a long term, reduce transmission noise, improve the service life of relevant parts and components and lower maintenance cost.
Description
technical field [0001] The invention relates to a rack and pinion transmission device capable of eliminating wear gaps. Background technique [0002] Rack and pinion transmission has the advantages of long transmission distance and large transmission power, but the gears in the existing rack and pinion transmission are relatively prone to wear during use, resulting in larger transmission gaps between gear teeth and poor transmission accuracy. The noise increases and the transmission efficiency decreases, which will cause unnecessary energy loss. If the equipment is repaired and the worn gears are replaced, the maintenance cost will be increased. Contents of the invention [0003] The purpose of the present invention is to provide a rack and pinion transmission that is easy to assemble, debug and maintain, can maintain high-efficiency transmission and transmission accuracy for a long time, reduces transmission noise, improves the service life of related parts, and reduces m...
Claims
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IPC IPC(8): F16H19/04F16H37/02F16H57/12F16H7/08
Inventor 吴瑜华
Owner 北京平和机器科技有限公司