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Swing chain and non-road mobile machinery subject to high torque and shock loads

An impact and high torque technology, applied in the field of gearboxes, can solve the problems of unsuitable high torque and impact load, etc., and achieve the effect of ensuring fatigue strength, ensuring contact strength and reducing impact

Active Publication Date: 2021-07-27
杭州肇鹏科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, its products do not impose restrictions on the stop pin, on the other hand, this kind of optimization is suitable for passenger cars with small loads and relatively uniform forces, so as to achieve the overall optimal design and cost. However, it has been verified by experiments that this kind of optimization Not designed for high torque and shock loads

Method used

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  • Swing chain and non-road mobile machinery subject to high torque and shock loads
  • Swing chain and non-road mobile machinery subject to high torque and shock loads
  • Swing chain and non-road mobile machinery subject to high torque and shock loads

Examples

Experimental program
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Effect test

Embodiment 1

[0049] A non-road mobile mechanical power transmission device, including an engine and a continuously variable transmission device connected to the engine to withstand large torque and impact loads, such as figure 1 As shown, a multi-speed gear transmission is connected to the continuously variable transmission device; a clutch is arranged between the continuously variable transmission device and the multi-speed gear transmission.

[0050] The continuously variable transmission device includes a coaxially arranged active fixed cone, an active driven cone, a coaxially arranged driven fixed cone, a driven driven cone, and a swing pin chain. The active fixed cone , The center distance between the active driving cone, the driven fixed cone, and the driven fixed cone is 220mm, and the swing pin chain is clamped between the active driving cone, the driving fixed cone, the driven driven cone, and the driven fixed cone. Between the cones, the power is transmitted through the friction...

Embodiment 2

[0059] A non-road mobile mechanical power transmission device includes an engine and a continuously variable transmission device connected to the engine to withstand large torque and impact loads. The continuously variable transmission device includes a coaxially arranged active fixed cone, an active driven cone, a coaxially arranged driven fixed cone, a driven driven cone, and a swing pin chain. The center distance between the cone and the driven fixed and fixed cones is 300mm. The swing pin chain is clamped between the active and fixed cones and the driven and fixed cones. The friction pair formed by the conical surface of the disk transmits power; the pendulum pin chain is composed of a plurality of chain links, and the overall length shape of the pendulum pin chain under the working state is a closed loop distributed on a plane, and the total length of the pendulum pin chain under the working state is Including the arc segment and the straight line segment connecting the a...

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Abstract

The invention relates to a swing pin chain which bears large torque and impact load, a continuously variable speed change device equipped with the swing pin chain, and a power machine equipped with the continuously variable speed change device. Through the specific setting of the mutual proportional relationship and shape of the chain links, chain plates, swing pins and other components of the swing pin chain, and at the same time through the specific setting of the matching parts of the swing pin chain and the continuously variable transmission device, the continuously variable transmission is improved. The variable speed performance increases the load capacity of the continuously variable transmission, making it more suitable for high-horsepower machinery, and achieves technical effects such as impact resistance and fatigue life improvement.

Description

technical field [0001] The invention belongs to the field of gearboxes, and in particular relates to a continuously variable transmission device capable of bearing large torque and impact loads. Background technique [0002] The CVT transmission device applied to mobile machinery is that the chain or steel belt is wound between the moving and fixed cones. By changing the distance between the two cones, the working radius at the contact point between the chain or steel belt and the cone is adjusted to achieve speed change. This kind of gearbox has a stable transmission ratio, simple design and manufacture, and a wide range of speed changes. It has been reported that it is mostly used in the automotive field, and the input torque is below 400N.m. Non-road mobile machinery, such as agricultural machinery, construction machinery, etc., has a strong demand for continuously variable transmission due to the wide working range, but most of them have a large load, usually much greate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H9/24F16H61/662F16G13/06F16G15/10F16G15/12F16G15/00
CPCF16G13/06F16G15/00F16G15/10F16G15/12F16H9/24F16H61/662
Inventor 不公告发明人
Owner 杭州肇鹏科技有限公司
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