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Adjustable thrust structure for balancing axial force of gear

A technology for balancing gears and axial forces, applied in the components of pumping devices for elastic fluids, non-variable-capacity pumps, machines/engines, etc. The effect of transmission, flexible disassembly and assembly, and simple structure arrangement

Inactive Publication Date: 2013-04-17
NO 70 INST OF CHINA NORTH IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because it cooperates with the drive shaft of the accessory pump through the tapered surface, and the nut is pressed and directly connected, so the axial force will be directly loaded on the drive shaft of the accessory pump, thus affecting the normal operation of the accessory pump

Method used

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  • Adjustable thrust structure for balancing axial force of gear

Examples

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Embodiment Construction

[0012] An adjustable thrust structure for balancing the axial force of a gear, which includes an accessory pump drive shaft 1, a thrust washer 2, a box body 3, a compression nut 4, a screw 5, a support seat 6, a helical gear 7, a stopper The thrust washer 2 is provided with an oil groove, the support seat 6 is fixed on the box body 3 by the screw 5, the thrust washer 2 is installed above the support seat 6, and the thrust washer 2 and the support seat 6 are installed in the axial direction of the helical gear 7. One end that the force points to, the accessory pump transmission shaft 1 is connected with the helical gear 7, the compression nut 4 is connected with the tapered shaft of the accessory pump transmission shaft 1, and the other end of the accessory pump transmission shaft 1 is connected with the pump body.

[0013] Such as figure 1 As shown, the gap between the thrust washer 2 and the helical gear 7 is smaller than the axial play gap of the drive shaft 1 of the ac...

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PUM

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Abstract

Disclosed is an adjustable thrust structure for balancing axial force of a gear. An oil groove is arranged on a thrust washer (2), a supporting seat (6) is fixed on a box (3) through a screw (5), the thrust washer (2) is installed over the supporting seat (6), an accessory pump drive shaft (1) is connected with a helical gear (7), a gland nut (4) is connected with a tapered shaft of the accessory pump drive shaft (1), and the other end of the accessory pump drive shaft (1) is connected with a pump body. According to the adjustable thrust structure, thrust positions of the axial force can be adjusted flexibly through adjustment of the thickness of the thrust washer (2), therefore the axial force is balanced at different positions, poor phenomena on an accessory pump due to the present of the axial force are eliminated, using requirement for the complete machine are met, and the cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of balancing the axial force of gears, and in particular relates to an adjustable thrust structure for balancing the axial force of gears. Background technique [0002] Known gear transmission is the most general transmission mode for engine accessory transmissions such as water pumps, oil pumps, and variable displacement pumps. The helical gear transmission is more stable and stronger than the spur gear transmission. In order to ensure the reliability and compactness of the structure and the smoothness of the transmission, the helical gear transmission has better advantages. However, the helical gear transmission will generate a certain axial force. For the drive shaft system of the accessory pump, if there is no axial thrust structure, the axial force will be directly transmitted to the drive shaft of the accessory pump through the gear connected with the drive shaft. If the accessory is greatly affecte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/041
Inventor 朱美琳张树勇高丽英郭昌明张儒华钱志高
Owner NO 70 INST OF CHINA NORTH IND GRP
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