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A concrete conveying pump truck and its distribution hydraulic system

A concrete delivery pump and hydraulic system technology, applied in the field of lubrication systems, can solve problems such as low efficiency, and achieve the effects of improving lubrication efficiency, saving maintenance time, and simple operation

Active Publication Date: 2018-01-19
河北雷萨重型工程机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, this manual lubrication method is inefficient

Method used

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  • A concrete conveying pump truck and its distribution hydraulic system
  • A concrete conveying pump truck and its distribution hydraulic system
  • A concrete conveying pump truck and its distribution hydraulic system

Examples

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Effect test

Embodiment Construction

[0025] In the drawings, the same or similar reference numerals are used to denote the same or similar elements or elements having the same or similar functions. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] In the description of the present invention, the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

[0027] Such as figure 1 As shown, ...

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PUM

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Abstract

The invention discloses a concrete pump truck and a hydraulic distribution system thereof. The hydraulic distribution system of the concrete pump truck comprises an arm rack multiway valve, an execution element, lubrication devices and oil way switch valve sets. The arm rack multiway valve is connected with the oil way switch valve sets. One branch of oil outlets of the oil way switch valve sets is connected with an arm rack balance valve or a rotary balance valve, and the other branch of the oil outlets of the oil way switch valve sets is connected with the lubrication devices. When the oil way switch valve sets are located at a first station, the arm rack multiway valve communicates with the execution element; when the oil way switch valve sets are located at a second station, the arm rack multiway valve communicates with the lubrication devices; and when the oil way switch valve sets are located at a third station, the arm rack multiway valve communicates with the execution element and the lubrication devices. The lubrication devices can convey lubrication grease to corresponding lubrication ports. By adoption of the concrete pump truck and the hydraulic distribution system thereof, the problems that time is greatly consumed, operation is difficult, and efficiency is low due to the fact that lubrication points are added with the grease one by one through a lubrication grease gun manually when a slewing bearing and arm rack pin shafts of the pump truck are lubricated are solved.

Description

technical field [0001] The invention relates to a lubricating system, in particular to a concrete conveying pump truck and its distribution hydraulic system. Background technique [0002] Concrete delivery pump truck is a commonly used concrete delivery equipment in the construction industry. It is equipped with motion and power transmission devices, pumping and mixing devices, cleaning devices, support devices, distribution devices and other auxiliary devices on the chassis, and has driving and pumping function. The material distributing device of the concrete delivery pump truck can realize the rotation of the boom and the movement of each section of the arm. The rod mechanism realizes the folding and unfolding action around the pin shaft. Since the concrete pump truck often needs to perform slewing action and arm folding and unfolding action during normal operation, it is necessary to perform forced lubrication on the slewing bearing and the arm pin, otherwise the slewi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/06F16N7/38E04G21/04
CPCE04G21/0445F15B13/06F16N7/38
Inventor 张重阳
Owner 河北雷萨重型工程机械有限责任公司
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