Boom apparatus and concrete pump vehicle having same

US20140182713A1Inactive Publication Date: 2014-07-03HUNAN SANY INTELLIGENT CONTROL EQUIP +1
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
HUNAN SANY INTELLIGENT CONTROL EQUIP
Publication Date
2014-07-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

In one aspect of the invention, a boom apparatus includes at least a first boom, a second boom and a third boom sequentially connected to one another, wherein a root end of the first boom is connected to a turntable, some of the booms is a bent boom occupying at least two column spaces, and when the booms are in a folded state, the boom apparatus occupies at least three column spaces. The invention also provides a concrete pump vehicle having the boom apparatus.
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Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application is a continuation application of International Patent Application No. PCT / CN2012 / 074036, filed Apr. 14, 2012, entitled “BOOM DEVICE AND CONCRETE PUMP TRUCK”, by Shihui Xie et al., which itself claims the priority to Chinese Patent Application No. 201110322355.9, filed Oct. 24, 2011, entitled “BOOM APPARATUS AND CONCRETE PUMP VEHICLE HAVING SAME”, by Shihui Xie et al., the disclosures for which are hereby incorporated herein in their entireties by reference.FIELD OF THE INVENTION

[0002] The invention relates generally to the field of construction machinery, and more particularly to a boom apparatus, and a concrete pump vehicle having the boom apparatus.BACKGROUND OF THE INVENTION

[0003] A concrete pump vehicle is equipment that delivers concrete along a pipeline to a location required by construction works. In operation, the concrete pump vehicle needs to deliver concrete to a specified location through a delivery pipe fixed on...

Claims

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