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Mobile work appliance with a supporting structure

A kind of working equipment and mobile technology, which is applied in the direction of building construction, lifting vehicle accessories, and the processing of building materials, etc., can solve the problem of loss of effective bearing area and achieve the effect of saving materials

Active Publication Date: 2013-07-31
PUTZMEISTER ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, the supporting arm frame must occupy a lot of space on the frame and lose the effective bearing area

Method used

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  • Mobile work appliance with a supporting structure
  • Mobile work appliance with a supporting structure
  • Mobile work appliance with a supporting structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] exist Figure 1a and 1b The mobile concrete pump truck shown in has a vehicle chassis 10 with a motor-driven frame 12 and a driver's cab 14 . The chassis 10 carries a concrete pump 20 which is connected to the vehicle frame 12 via a mounting frame 22 . The concrete pump construction essentially comprises a core pump 24 with two hydraulically driven delivery cylinders 30 and a feed container 32 fixedly mounted on the free ends of the delivery cylinders 30 . Furthermore, the concrete pump structure contains a pressure feed line 34 which is guided via a distribution boom 36 designed as a toggle joint. The distribution boom 36 is rotatably supported around a vertical axis on a distribution boom rotary support 44 that is fixedly connected to the mounting frame 22 near the driver's cab 14 . Arranged on the rear end of the mounting frame 22 is a boom support 46 against which the boom 36 abuts in the folded-in driving position shown in the figure. Furthermore, a support devi...

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PUM

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Abstract

The invention relates to a mobile work appliance, in particular to an automatic concrete pump. The work appliance substantially comprises a chassis (12), two front and two rear supporting jibs (38, 40) which are extendable relative to the chassis (12) from a transport position into at least one working position and are each supportable by a supporting leg (42) on a base, with the chassis being raised, and a drive unit (47) for controlling working assemblies and / or the supporting jibs. A particular characteristic of the invention is that at least one of the supporting jibs (40) having a support or hollow chamber profile has a transverse aperture (48) which can be designed, for example, as a housing for an auxiliary assembly (52) of the drive unit.

Description

technical field [0001] The present invention relates to a kind of mobile working equipment, especially a kind of automobile type concrete pump truck, which comprises: a vehicle frame; two front supporting arms and two rear supporting arms, and these supporting arms can be relatively Drive out from a transport position to at least one working position and can each be supported on a foundation with one leg while the vehicle frame is raised; a drive unit for controlling the working group and / or the support arm. Background technique [0002] According to the mobile concrete pump truck, the working group also includes a rod base with a distribution boom and a core pump with a material feed container. The core pump feeds into a delivery conduit which is guided through the boom. Depending on the pump type, the drive unit consists of one or more hydraulic pumps plus additional auxiliary pumps, such as a stirrer in the feed container for driving the core pump. The task of the suppo...

Claims

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Application Information

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IPC IPC(8): E04G21/04B66C23/78
CPCB60S9/02B66C23/80E04G21/04B66C23/78
Inventor D·菲格尔
Owner PUTZMEISTER ENG