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hmt unit and hmt structure

A technology of rotary power and planetary gear, which is applied to transmission devices, belts/chains/gears, fluid transmission devices, etc., can solve problems such as troublesome adjustment operations and inability to adjust output, and achieve the effect of improving operating efficiency

Active Publication Date: 2020-08-14
KANZAKI KOKYUKOKI MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, in the HMT described in the above-mentioned patent document 1, as mentioned above, unless the planetary gear mechanism is assembled in the transmission case and the HST is not installed in the transmission case, the output adjustment operation cannot be performed. Adjusting homework can be a hassle

Method used

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  • hmt unit and hmt structure
  • hmt unit and hmt structure
  • hmt unit and hmt structure

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Experimental program
Comparison scheme
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Embodiment approach 1

[0052] Hereinafter, an embodiment of the HMT unit of the present invention will be described with reference to the drawings.

[0053] exist figure 1 and figure 2 In FIG. 2 , a perspective view and a developed cross-sectional view in a state where the HMT unit 1 of the present embodiment is attached to the transmission 500 are shown.

[0054] In addition, in image 3 , shows an exploded cross-sectional view of the state in which the HMT unit 1 is separated from the transmission 500. Figure 4 , showing along the image 3 A cross-sectional view of the HMT unit 1 on line IV-IV.

[0055] like Figure 1 ~ Figure 4 As shown, the HMT unit 1 is equipped with: HST10, which performs stepless speed change on the rotational power input from the driving source (not shown) and outputs it; a planetary gear mechanism 100, which controls the rotational power from the driving source and the The rotational power of the HST 10 is synthesized and output; and the casing 200 is detachably con...

Embodiment approach 2

[0153] Hereinafter, another embodiment of the HMT unit of the present invention will be described with reference to the drawings.

[0154] exist Figure 9 In FIG. 2 , a developed cross-sectional view in a state where the HMT unit 2 of the present embodiment is attached to the transmission 500 is shown.

[0155] exist Figure 10 In , an exploded cross-sectional view in a state where the HMT unit 2 is separated from the transmission 500 is shown.

[0156] In addition, in Figure 11 , an enlarged sectional view of the planetary gear mechanism 100 in the HMT unit 2 is shown.

[0157] In addition, in the drawings, the same components as those in the first embodiment are given the same reference numerals, and descriptions thereof are appropriately omitted.

[0158] In the HMT unit 2 of the present embodiment, the constant speed transmission part 330 is changed to the constant speed transmission part 430, and the output shaft 350 is arranged coaxially with the planetary gear mech...

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Abstract

The HMT unit of the present invention includes a casing that accommodates the HST and the planetary gear mechanism in a state where the sun gear is operatively connected to the motor shaft, and is detachably connected to an installation location. The housing is provided with: an input shaft, which is operatively connected to the pump shaft; a fixed speed transmission part, which operatively transmits the rotational power of the input shaft to one of the internal gear and the gear rack, that is, the constant speed input element; and an output shaft, It outputs the synthetic rotational power of the other side of the internal gear and the gear carrier, that is, the output element, to the outside. In the HMT structure of the present invention, a transmission case to which the housing is detachably mounted is provided with a drive shaft operatively connected to a drive source and an output transmission shaft. A first coupling connecting the drive shaft to the input shaft, and a second coupling connecting the output shaft to an output transmission shaft.

Description

technical field [0001] The present invention relates to a roller type speed change mechanism. Background technique [0002] The present invention relates to a hydrostatic-mechanical continuously variable transmission unit (HMT unit) having a hydrostatic continuously variable transmission mechanism (HST) and a planetary gear mechanism. [0003] In order to be able to start with a continuously variable speed from zero initial speed and to improve the transmission efficiency as much as possible, HST is used in the transmission path of the driving system of combine harvesters (English: combine), tractors (English: tractor) and other operating vehicles. and planetary gear mechanism combined HMT. [0004] In addition, there has been proposed an HMT capable of switching the rotation direction of the combined rotational power output from the planetary gear mechanism forward and reverse according to the operation of the volume changing member in the HST (for example, refer to Japane...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H47/04
CPCF16H47/04
Inventor 辻智之稻冈隆也东泊良隆笹原谦悟
Owner KANZAKI KOKYUKOKI MFG