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Control device and method for controlling multiple hydraulic consumers

A technology of hydraulic consumer and control device, which is applied in the direction of fluid pressure actuating device, machine/engine, liquid variable capacity machine, etc., to achieve the effect of saving hydraulic pipelines

Inactive Publication Date: 2016-09-14
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] A problem with such an architecture implemented in vehicle hydraulics is that the valves present for controlling the pressure medium volume flow are usually assembled in a control box, which is installed, for example in the case of an excavator, in the area of ​​the boarding

Method used

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  • Control device and method for controlling multiple hydraulic consumers
  • Control device and method for controlling multiple hydraulic consumers
  • Control device and method for controlling multiple hydraulic consumers

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Embodiment Construction

[0036] figure 1 A very simplified schematic principle diagram shows a mobile working machine, in this example an excavator 1, and its upper carriage 2 is rotatably supported on a chassis 6 via a slewing mechanism 4. The upper carriage 2 is provided with a cantilever 8, and a rod 10 with a bucket 12 is hinged on the cantilever. The excavator 1 has a hydraulic walking drive, wherein the operation of the slewing mechanism 4 is also performed hydraulically. The manipulation of the bucket 12, the rod 10 and the boom 8 is performed by hydraulic cylinders 14, 16 or 18, respectively. The pressure medium of these hydraulic consumers is supplied through the regulating pump 20 and the control valve device, which will be described in detail below. The control of the regulating pump 20 and some control valves of the control valve device is performed by a central control unit 22, which is in figure 1 For the sake of brevity, it is not shown in the view, but it is integrated in the boarding ...

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PUM

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Abstract

The invention relates to a control device for supplying a plurality of consumers with pressure medium and a method for controlling a plurality of consumers, wherein an input measuring orifice and an individual pressure balance are respectively assigned. The individualized stress scale is adjusted via the central control unit.

Description

Technical field [0001] The invention relates to a hydraulic control device and a method for controlling a plurality of hydraulic consumers. Background technique [0002] As described in DE 103 42 037 A1, a hydraulic system is used to control a plurality of consumers in particular in motor vehicle hydraulic systems, wherein the consumers are supplied with pressure medium by a pump with an adjustable delivery volume flow. A metering orifice and a pressure balance are arranged between the regulating pump and each consumer, wherein the pressure balance can be connected upstream or downstream of the metering orifice. Here, it can be divided into an LS system that works on the principle of a flow regulator and a system that works on the principle of a flow distributor. In the case of a flow distributor, the pressure balance is connected downstream of the metering orifice. The flow distributor system can also be referred to as the LUDV system, which is a subgroup of the LS system, in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/16
CPCE02F9/2228E02F9/2235E02F9/2296F15B11/163F15B2211/20546F15B2211/3054F15B2211/634F15B2211/6346F15B2211/65F15B2211/7052F15B11/162F04B13/00
Inventor T·魏克特U·诺依曼J·阿姆莱因
Owner ROBERT BOSCH GMBH