Novel gear self-locking type transmission output device
An output device, self-locking technology, applied in the direction of transmission parts, mechanical control devices, transmission control, etc., can solve problems such as working machines not working normally, gear machining errors, and transmission output torque changing in a large range.
Active Publication Date: 2014-07-23
贵州凯星液力传动机械有限公司
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Problems solved by technology
However, the heavy-duty transmission used for field work, because of its poor working environment and harsh working conditions, the large range of output torque of the transmission, high frequency, and the machining error of the gear in the heavy-duty transmission, the axial force of the gear cannot be completely eliminated. During the operation of the vehicle, it is easy to cause the gear of the transmission to shift to neutral, which will cause the working machine to not work normally.
Mining vehicles equipped with transmissions are more prone to major safety accidents if they are driven downhill
Method used
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Embodiment Construction
[0011] Such as figure 1 As shown in , the middle part of the output shaft (1) is equipped with a connecting sleeve (7), and the standard involute internal spline of the connecting sleeve (7) is engaged with the standard involute external spline of the output shaft (1); A sliding sleeve (5) with a shift fork (6) is installed on the outer circle of the connecting sleeve (7), and the two are engaged. "shape, the screw hole at the other end is the connection port for installing the manual operation mechanism; the left and right ends of the connecting sleeve (7) on the output shaft (1) are equipped with needle roller bearing inner rings (2), and the needle roller bearing inner rings The outer circle of (2) is respectively equipped with the low gear input gear (4) and the high gear input gear (8) with the needle roller bearing (3), and the outer circle of the inner ring of the needle roller bearing (2) is the needle roller bearing ( 3), the standard involute internal spline of the ...
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The invention discloses a gear self-locking type transmission output device, which mainly comprises a shifting fork, a sliding sleeve, a connecting sleeve, a high-gear gear, a low-gear gear, needle roller bearing inner rings, needle roller bearings, an output shaft and other members, wherein the connecting sleeve is arranged in the middle of the output shaft; the sliding sleeve with the shifting fork is sleeved on an external spline of the connecting sleeve; left and right ends of the connecting sleeve are provided with the needle roller bearing inner rings; a high-gear input gear and a low-gear input gear with the needle roller bearings are respectively arranged on the needle roller bearing inner rings at the two ends; the shifting fork drives the sliding sleeve to be switched between the high-gear input gear and the low-gear input gear; the sliding sleeve can be self-locked at the position of the high-gear input gear or the low-gear input gear; and the sliding sleeve can be prevented from sliding to a neutral position between the high-gear input gear and the low-gear input gear. The device has a simple structure, and is reliable to lock, and convenient to operate and assemble and disassemble.
Description
technical field [0001] The invention relates to the field of mechanical transmission, and belongs to a gear position self-locking transmission output device. Background technique [0002] At present, the transmissions on the market can be divided into two categories: hydraulic transmissions and mechanical transmissions according to the presence or absence of hydraulic torque converters. They are widely used in automobiles, loaders, scrapers, excavators, tanks, armored vehicles, and rail cars. , oil drilling machinery and mining machinery and other fields, it is an important transmission device in the mechanical transmission system, which mainly plays the role of variable speed and torque. However, the heavy-duty transmission used for field work, because of its poor working environment and harsh working conditions, the large range of output torque of the transmission, high frequency, and the machining error of the gear in the heavy-duty transmission, the axial force of the ge...
Claims
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IPC IPC(8): F16H63/32F16H63/34F16H57/00
CPCF16H2063/3093
Inventor 李进洪
Owner 贵州凯星液力传动机械有限公司