Connecting structure for crankshaft gear
A technology of connecting structure and crankshaft gear, applied in the direction of connecting components, mechanical equipment, etc., can solve the problems of low efficiency, cumbersome assembly method, disassembly of crankshaft gear, inconvenient maintenance, etc., and achieves the effect of convenient installation, compact structure and short maintenance period.
Inactive Publication Date: 2011-04-06
大连创新齿轮箱制造有限公司
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Problems solved by technology
[0002] The connection between the crankshaft gear and the crankshaft generally adopts the connection method of shaft surface interference. This connection method needs to heat the gear on a special heating device and put it on the crankshaft. The deformation of the mating shaft surface is used to form friction to transmit power, and the assembly method is cumbersome. , low efficiency; and it is very inconvenient to disassemble and repair the crankshaft gear after failure
Method used
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[0011] Such as figure 1 As shown, the connection structure of the crankshaft gear is to install the pin 1 in the inner hole of the gear 5 and the pin hole 6 on the end surface of the crankshaft 2, and locate the inner hole of the gear 5 and the pin hole 6 on the end surface of the crankshaft 2; Connected to crankshaft 2; see figure 2 , the end face of the gear 5 is drilled with a moderate number of bolt holes, nine bolt holes can be drilled, and the gear 5 is fixed on the end face of the crankshaft 2 with the bolt 3 through the bolt holes. After the bolt 3 is tightened, a pre-tightening force is generated. Under the action, the end surface of the gear 5 and the positioning surface of the crankshaft 2 generate friction to transmit power, and the gear 5 can drive the gear meshed with it to rotate.
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The invention discloses a connecting structure for a crankshaft gear, solving the problem of inconvenient gear changing. The technical solution is as follows: an inner hole of a gear (5) and a pin hole (6) on an end surface of a crankshaft (2) are provided with pins (1) which are positioned by the inner hole of the gear (5) and the pin hole (6) on the end surface of the crankshaft (2); the end surface of the gear (5) is drilled with proper amount of bolt holes; an end surface of the crankshaft (2) corresponding to the bolt holes on the end surface of the gear (5) is drilled with nine bolt holes as many as those on the end surface; bolts (3) pass through the bolt holes for fixing the gear (5) to the end surface of the crankshaft (2); pre-tightening force is generated after the bolt 3 is screwed up; and the end surface of the gear 5 and a locating surface of the crankshaft 2 generate the friction for transmitting the power. The connecting structure is convenient in installation, compact in structure, short in maintaining period, and low in cost.
Description
technical field [0001] The invention relates to a connection structure of engine transmission components, in particular to a connection structure of crankshaft gears. Background technique [0002] The connection between the crankshaft gear and the crankshaft generally adopts the connection method of shaft surface interference. This connection method needs to heat the gear on a special heating device and put it on the crankshaft. The deformation of the mating shaft surface is used to form friction to transmit power, and the assembly method is cumbersome. , low efficiency; and it is very inconvenient to disassemble and repair the crankshaft gear after failure. Contents of the invention [0003] The invention discloses a connection structure of crankshaft gears, which can quickly replace gears and solve the above problems. Concrete technical measure is that pin (1) is installed in gear (5) inner hole and crankshaft (2) end face pin hole (6), and bolt (3) is connected gear (5...
Claims
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Inventor 王成鑫
Owner 大连创新齿轮箱制造有限公司