Self-pressurization type hydraulic oil tank of loading machine

A hydraulic oil tank and self-pressurization technology, which is applied in the field of hydraulic oil tanks and self-pressurized hydraulic oil tanks for loaders, can solve problems such as filling, hidden safety hazards, and difficulty in opening the fuel cap, achieving simple and convenient operation, solving pollution, and manufacturing low cost effect

Inactive Publication Date: 2015-07-01
JIANGSU LIUGONG MACHINERY
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve the cleanliness of the hydraulic system and reduce the influence of the external environment as much as possible, the current domestic loaders mainly use a pressurized fuel tank. Although the pressurized fuel tank can solve the impact of the external environment on the cleanliness of the hydraulic system, due to When the ground is leve

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  • Self-pressurization type hydraulic oil tank of loading machine

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with drawings and embodiments.

[0010] Such as figure 1 As shown, a self-pressurized hydraulic oil tank for a loader includes a fuel tank body 1 and an oil outlet pipe 2 and an oil return pipe 3 communicating with the fuel tank body 1. The top of the fuel tank body 1 is respectively provided with a pressurized filter assembly 4 and the manual unloading valve 5, the pressurized filter assembly 4 and the manual unloading valve 5 are connected to the air above the oil in the tank body 1 respectively. The booster filter assembly 4 includes a filter 41, a one-way valve 42 and an overload valve 43, the one-way valve 42 leads to the inside of the fuel tank body 1, and the overload valve 43 leads to the outside of the fuel tank body 1 The one-way valve 42 and the overload valve 43 are connected in parallel and communicate with the outside atmosphere through the filter 41 .

[0011] After the present inventi...

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Abstract

The invention discloses a self-pressurization type hydraulic oil tank of a loading machine. The self-pressurization type hydraulic oil tank comprises an oil tank body, an oil outlet pipe and an oil returning pipe, wherein the oil outlet pipe and the oil returning pipe are communicated with the oil tank body. A pressurization filter assembly and a manual unloading valve are arranged at the top of the oil tank body and communicated with air above oil in the oil tank body. The self-pressurization type hydraulic oil tank has the advantages that the problem that a hydraulic system of an open type oil tank is polluted by the external environment is effectively solved, and the problems that an oil adding cover of an existing pressurization oil tank is difficult to open, and a lifting movable arm has potential safety hazards can further be solved; in addition, operation is easy and convenient, and the manufacturing cost is low.

Description

technical field [0001] The invention relates to a hydraulic oil tank for construction machinery products, in particular to a self-pressurized hydraulic oil tank for loaders that facilitates the daily maintenance of the hydraulic oil tank, and belongs to the technical field of construction machinery. Background technique [0002] The loader is a kind of construction machinery mainly used for material handling. Most of the shoveled materials are loose materials. The shoveling process is often accompanied by relatively large dust, and the working conditions are relatively harsh. In order to improve the cleanliness of the hydraulic system and reduce the influence of the external environment as much as possible, the current domestic loaders mainly use a pressurized fuel tank. Although the pressurized fuel tank can solve the impact of the external environment on the cleanliness of the hydraulic system, due to When the ground is level, there is a lot of pressure inside the fuel tan...

Claims

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Application Information

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IPC IPC(8): F15B1/26F15B3/00F15B21/04
CPCF15B1/26F15B21/041
Inventor 戴龙牛宏杰
Owner JIANGSU LIUGONG MACHINERY
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