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A Double Internal Engagement Reversing Mechanism

An internal meshing, up-and-down technology, applied in the field of vehicle transmission, can solve the problems of complex structure and large number of parts, and achieve the effect of simple structure

Active Publication Date: 2020-11-20
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Engineering vehicles need frequent power reversing during work, and the existing general engineering reversing mechanism uses a pair of gear pairs or a common planetary row to realize the reversing. The structure of the gear pair reversing mechanism is simple, but because of the meshing transmission, it cannot Realize power reversing under non-stop state, ordinary planetary row reversing mechanism can realize power reversing, but the structure is complex and the number of parts is large

Method used

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  • A Double Internal Engagement Reversing Mechanism
  • A Double Internal Engagement Reversing Mechanism

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] This embodiment provides a double internal meshing positive and negative mechanism, including: input shaft 1, output shaft 15, double internal meshing planetary row, clutch C, brake B; wherein the double internal meshing planetary row includes: planetary carrier 2, ring gear 16 , the sun gear 19 and the planetary gear 18 with internal and external teeth.

[0021] The transmission principle of the double internal meshing positive and negative mechanism is as follows: figure 1 As shown, the outer teeth of the planetary gear 18 mesh with the ring gear 16, and the inner teeth mesh with the sun gear 19, and the planet carrier 2 is used to support the planetary gear 18. The input shaft 1 is connected with the planet carrier 2, and the output shaft 15 is connected with the sun gear 19; the clutch and the brake are linked, that is, when the br...

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Abstract

The invention relates to the technical field of vehicle transmission, in particular to a power reversing mechanism. A double-inner-meshing forward-backward mechanism comprises an input shaft, an output shaft, a shell, a double-inner-meshing planet row arranged in the shell, a clutch and a brake, wherein the shell is composed of a left shell body and a right shell body. The double-inner-meshing planet row comprises a planet carrier, a gear ring, a connecting piece, a planet gear with inner and outer teeth and a sun gear. The clutch comprises a disc spring, a clutch left end friction plate, a clutch middle friction plate, a clutch right end friction plate and a clutch outer hub. The brake comprises a wave spring, a brake left end friction plate, a brake middle friction plate, a brake right end friction plate and a piston. The reversing speed ratio of the double-inner-meshing forward-backward mechanism ranges from -1 to -20, the structure is simple and compact, the double-inner-meshing forward-backward mechanism is combined with a torque converter and a speed changing box in series, and a speed changer in which the number of forward gears is the same with the number of backward gearscan be formed.

Description

technical field [0001] The invention relates to the technical field of vehicle transmission, in particular to a power reversing mechanism. Background technique [0002] Engineering vehicles need frequent power reversing during work, and the existing general engineering reversing mechanism uses a pair of gear pairs or a common planetary row to achieve reversing. The structure of the gear pair reversing mechanism is simple, but because of the meshing transmission, it cannot The power reversing can be realized without stopping the machine, and the ordinary planetary row reversing mechanism can realize the power reversing, but the structure is complex and the number of parts is large. Contents of the invention [0003] In view of this, the present invention provides a double internal meshing forward and reverse mechanism capable of realizing power reversing, with few components, small volume and weight. [0004] The double internal meshing forward and reverse mechanism includ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/70
CPCF16H3/70
Inventor 李春明周广明李慎龙唐沛邢庆坤张鹤张静李晋孙晨辉高子茵尹华兵周如意李新毅
Owner CHINA NORTH VEHICLE RES INST
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