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Hydraulic oil tank structure of loading machine

A hydraulic oil tank and loader technology, applied in the hydraulic field, can solve the problems of high temperature, excessive air bubbles, and air suction in the hydraulic system, achieve stable operation, reduce the flow rate and the number of air bubbles, and increase the service life.

Active Publication Date: 2015-09-23
SHANDONG LINGONG CONSTR MACHINERY
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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 provide a loader hydraulic oil tank structure, which can solve the phenomenon of high temperature and air suction in the hydraulic system caused by the phenomenon of excessively large and excessive air bubbles in the prior art, and can also solve the problem of respirator spraying. oil problem

Method used

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  • Hydraulic oil tank structure of loading machine
  • Hydraulic oil tank structure of loading machine
  • Hydraulic oil tank structure of loading machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: A loader hydraulic oil tank structure, including a box body and a breather, the breather is located at the top of the box body, an overflow barrel 1 is provided on the oil return side of the box body, and an overflow barrel 1 is provided on the oil outlet side of the box body A centrifugal baffle 3 is provided, and a defoaming partition 2 is installed between the overflow barrel 1 and the centrifugal baffle 3; the respirator includes a ventilation filter seat 4, a respirator partition 5, and a mounting flange 6 , respirator 7 and cover plate 8, wherein cover plate 8 is equipped with respirator 7, the top of respirator 7 is provided with two respirator partitions 5, and the top of respirator partition 5 is installed with ventilation filter seat 4 .

Embodiment 2

[0020] Embodiment 2: The number of the respirator partitions 5 is two, which are arranged in a staggered manner. Arc-shaped concave holes 10 are arranged above the defoaming partition 2 , and through holes 11 are distributed below the arc-shaped concave holes 10 . The overflow barrel 1 is provided with a rectangular hole 9 . All the other structures are identical to those described in Example 1.

[0021] In combination with the above-mentioned embodiments, when the present invention is in use, an overflow barrel 1 is provided on the oil return side of the hydraulic oil tank body, and the oil return hydraulic fluid enters the overflow barrel 1 from the oil return port. When the height inside the barrel 1 reaches the rectangular hole 9, it overflows to reduce the oil return injection phenomenon and reduce the oil return speed.

[0022] The hydraulic oil that overflows to the outside of the overflow barrel 1 passes through the through hole 11 on the defoaming partition 2 to rea...

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Abstract

The invention discloses a hydraulic oil tank structure of a loading machine, and belongs to the field of hydraulic technologies. The hydraulic oil tank structure is used for a hydraulic system of the loading machine. The hydraulic oil tank structure comprises a box body and a breather. The breather is located at the top end of the box body. The oil return side of the box body is provided with an overflow cylinder. The oil outlet side of the box body is provided with a centrifugal blocking plate. A defoaming partition plate is arranged between the overflow cylinder and the centrifugal blocking plate. The breather comprises an air exchange filter base, breather partition plates, a mounting flange, a respirator and a cover plate. The cover plate is provided with the respirator. At least two breather partition plates are arranged above the respirator. The air exchange filter base is arranged above the breather partition plates. By means of the technical scheme, the problem of generating the high temperature, cavitation and other phenomena in a hydraulic system caused by the fact that too many bubbles exist and are overly large and the problem of oil injection of the breather in the prior art can be solved.

Description

technical field [0001] The invention belongs to the field of hydraulic technology, and in particular relates to a loader hydraulic oil tank structure used in a loader hydraulic system. Background technique [0002] In construction machinery, loaders are generally used to work on loose materials. The hydraulic system of the loader needs to control the hydraulic cylinders of the loader to achieve different actions of the loader. As the foundation of the entire hydraulic system, the hydraulic oil tank is related to the reliability of the entire hydraulic system and the working efficiency of the loader. [0003] In the actual use process, the problems that are prone to occur in the hydraulic oil tank are: 1. The structural design of the hydraulic oil tank is unreasonable, which may easily cause the temperature of the hydraulic oil to rise and the oil to turn black; During the working process, there will be abnormal noise caused by the extrusion of bubbles, forming cavitation an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B1/26F15B21/04
CPCF15B1/26F15B21/047
Inventor 赵团国张贵贤董立队朱博王世东
Owner SHANDONG LINGONG CONSTR MACHINERY