Gear train structure of small diesel engine air cylinder
A technology for cylinder block and diesel engine, applied in the direction of cylinder, cylinder head, mechanical equipment, etc., can solve the problems of complex structure, increased oil leakage, water leakage, air leakage, installation dimensional tolerance, etc., to reduce control difficulty, improve stability and The effect of reliability
Active Publication Date: 2015-01-14
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0003] The existing hydraulic pump 12 and oil pump 13 are installed on the diesel engine cylinder block 11 through a separate gear chamber cover plate 14. The structure is relatively complicated, and the installation of the gear chamber cover plate 14 and the diesel engine cylinder block 11 must have installation dimensional tolerances, which increases the Difficulty in Controlling Backlash of Gear Trains
In addition, the sealing surface between the gear chamber cover plate 14 and the diesel engine cylinder block 11 increases the hidden dangers of oil leakage, water leakage, and air leakage.
Method used
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[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0017] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0018] Such as figure 2 with image 3 As shown, the specific structure of the wheel train structure of the small diesel engine cylinder block according to the specific embodiment of the present invention includes: a cylinder block body 21 and a gear chamber cover plate 22 integrally integrated with one end (front end or rear end) of the cylinder block body 21, And the first crank gear 23, the idler gear 24, the oil pump ...
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The invention discloses a gear train structure of a small diesel engine air cylinder. The gear train structure comprises an air cylinder body, a gear chamber cover plate, a crankshaft gear, an idle gear, an oil pump gear, a cam shaft gear, a hydraulic pump gear and an engine oil pump gear. The gear chamber cover plate is integrated to one end of the air cylinder body. A hydraulic pump and an oil pump are disposed on two sides of the gear chamber cover plate. The gears are distributed at one end of the air cylinder body to form the gear train. By the arrangement, potential safety hazards of seal surface oil leakage, water leakage and gas leakage caused by the fact that the gear chamber cover and the air cylinder body are mounted through bolts are avoided. Related gear train mounting holes are directly casted and machined in the diesel engine air cylinder body, the dimensional tolerance of the gear train mounting holes can be controlled favorably, gear train gear gap control difficulty is lowered, and diesel engine gear train transmission stability and reliability are increased.
Description
technical field [0001] The invention relates to the field of diesel engine cylinder blocks, in particular to a wheel train structure of a small diesel engine cylinder block. Background technique [0002] Such as figure 1 As shown, loads such as a hydraulic pump (steering pump) 12 and an oil pump 13 need to be installed on the front end or the rear end of a general small diesel engine cylinder block 11 to meet specific purposes. These loads obtain the power output of the engine crankshaft through gears. The hydraulic pump 12 and the oil pump 13 are installed on a separate gear chamber cover plate 14, and the gear chamber cover plate 14 is fixed to the diesel engine cylinder block 11 by bolts. Wherein, because the hydraulic pump 12 and the oil pump 13 are arranged far away from the crankshaft, generally all need each designed idler gear to transition and form a gear train with the crankshaft gear. [0003] The existing hydraulic pump 12 and oil pump 13 are installed on the d...
Claims
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IPC IPC(8): F02F1/00
CPCF02B67/00F02B67/04F02F1/18
Inventor 梁德浦董家枝张雷潘嗣陈晓克
Owner GUANGXI YUCHAI MASCH CO LTD