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Support device for flexible coupling of diesel engine

A technology of elastic couplings and supporting devices, which is applied in the direction of rigid shaft couplings, couplings, mechanical equipment, etc., can solve problems affecting the stable operation of the unit, reduce the gear difference, ensure stable operation, and improve accuracy. degree of effect

Inactive Publication Date: 2010-01-27
CRRC DALIAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the diesel engine is running, the sliding bearing in the end position will cause more constraints on the movement of the output end of the crankshaft, which also seriously affects the stable operation of the unit

Method used

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  • Support device for flexible coupling of diesel engine

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Experimental program
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Effect test

Embodiment Construction

[0007] See attached figure 1 , the diesel engine elastic coupling support device of this embodiment, the flange end (2) of the connecting shaft (1) is docked with the output end (15) of the crankshaft of the diesel engine through the bolt (3), and there is provided near the flange end (2) Spherical rolling bearing (11), two bearing glands (4) bearing is fixed on the bearing seat (12). Bearing block (12) is fixed on the diesel engine block (14) by bolt (13). The other end (9) of the connecting shaft (1) is a spline structure, which is matched with the spline hole of the input flange (10) of the elastic coupling (6). The bolt (7) fixes the shaft cover (8) on the spline end (9) of the connecting shaft (1), and closes the spline groove.

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Abstract

The invention relates to a support device for a flexible coupling of a diesel engine. A flange end (2) of a connecting shaft (1) is butted with an output end (15) of the diesel engine through bolts (3); a spline end (9) is used for connecting an elastic coupling (6); a position near the flange end (2) is provided with a spherical rolling bearing (11); and a bearing block (12) of the spherical rolling bearing (11) is fixed to an engine body (14) of the diesel engine through bolts (13). The support device reduces the gravity action of the elastic coupling on a crank shaft, improves the accuracy of installation positioning, reduces the deflection of the crank shaft, increases the degree of freedom of the crank shaft output and ensures the stable operation of machine sets.

Description

technical field [0001] The invention belongs to the technical field of diesel engines, and in particular relates to a novel diesel engine elastic coupling support device. Background technique [0002] For general high-power diesel engines, in order to reduce the torsional vibration caused by factors such as load structure size, diesel engine speed, coupled vibration, disturbance, shaft stiffness and other factors when the unit is running, it is usually installed between the output end of the crankshaft and the load. Elastic coupling. There are generally two ways to connect the elastic coupling to the crankshaft end. The first way is to connect the shaft with the output end of the crankshaft through the spline connection, and the other way is to connect the input flange of the elastic coupling directly with the output end of the crankshaft. No matter which connection method is used, due to the heavy weight of the elastic coupling, this gravity will act on the crankshaft, ca...

Claims

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Application Information

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IPC IPC(8): F16D1/09
Inventor 张励姜旭龙王大鹏安军赵睿刘新雄侯振宇
Owner CRRC DALIAN CO LTD
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