Direct-connected integrated gear pump

A gear pump and integrated technology, which is applied in the direction of pumps, rotary piston pumps, liquid fuel engines, etc., can solve the problems of many connecting parts and complex structures, achieve high coaxial precision, improve build-up tolerances, and reduce the number of parts Effect

Inactive Publication Date: 2011-06-22
浙江奥力电机股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of complex structure and many connecting parts in the current gear pump structure, and provide a gear pump that can reduce the number of connecting parts, improve the accumulation tolerance of the parts combination, reduce the use of materials, reduce the total weight, save raw materials, improve Combining accuracy and improving the service life of the original gear pump, the present invention provides the following technical solutions:

Method used

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Examples

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Embodiment Construction

[0012] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] Such as Figure 1 ~ Figure 4 As shown, the present invention includes a front end cover coupling body 10 and a rear end cover pump body 4, the front end cover coupling body 10 and the rear end cover pump body 4 are fixedly connected, and the rear end cover pump body 4 is provided with an oil inlet 1, an oil outlet One-way valve 2 at the port and overpressure protection valve 3, the one-way valve 2 at the oil outlet and the overpressure protection valve 3 are integrally connected, the inner cavity of the rear end cover pump body 4 is inlaid with wear-resistant alloy castings 5, the front end cover connecting body 10, the rear end cover The end cover pump body 4, the oil inlet 1, the oil outlet check valve 2 and the overpressure protection valve 3 are die-cast into an integral communication structure, and the rear end cover pump body 4 is...

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Abstract

The invention relates to a direct-connected integrated gear pump which is mainly characterized in that the device comprises a front end cover connection body and a back end cover pump body, wherein the front end cover connection body and the back end cover pump body are fixedly connected; an oil outlet, an oil outlet one-way valve and an overpressure protection valve are arranged on the back end cover pump body; the oil outlet one-way valve and the overpressure protection valve are integrally communicated; an antifriction alloy casting is inlayed in an inner chamber of the back end cover pump body; and the front end cover connection body, the back end cover pump body, an oil inlet, the oil outlet one-way valve and the overpressure protection valve are casted into an integral communication structure. In the invention, the back end cover pump body and the front end cover connection body are integrally assembled; therefore, the direct-connected integrated gear pump has the advantages of high coaxial precision, simple structure and convenience for assembling, and can enhance the cumulative tolerance of the combination of the components and parts of the gear pump, lighten the total weight, enhance the volumetric efficiency and prolong the life by 2 times.

Description

technical field [0001] The invention relates to a direct-coupled integrated gear pump, in particular to a main component for connecting and transmitting a power take-off gear pump used in hydraulic systems such as dump trucks, cranes, and excavators at home and abroad. Background technique [0002] At present, hydraulic gear pumps or dump truck gear pumps and power take-off transmissions used at home and abroad are connected to the gear pump through a universal joint transmission shaft or through a transmission connection between the power take-off and the gear pump. Its shortcomings are mainly reflected in: the structure of the original gear pump is complex, the gear pump and the pump coupling body, the gear pump hanger, the universal joint transmission shaft is connected with the power take-off or the gear pump through the power take-off and the gear pump transmission coupling mechanism The device has problems such as complicated installation, many parts, large volume, ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C2/18
Inventor 商庆元钱良钗徐鼎施新平郑林俊
Owner 浙江奥力电机股份有限公司
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