A boom assembly and a concrete spraying vehicle

A boom and assembly technology, applied in the field of construction machinery, can solve problems affecting the working range of the boom, and achieve the effect of a large working range

Active Publication Date: 2018-12-21
HUNAN WUXIN TUNNEL INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A single oil cylinder is used to realize the pitching of the boom, so that the pitching angle of the boom is small, which affects the working range of the whole boom

Method used

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  • A boom assembly and a concrete spraying vehicle
  • A boom assembly and a concrete spraying vehicle
  • A boom assembly and a concrete spraying vehicle

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Embodiment Construction

[0025] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0026] please if Figure 1 to Figure 5 As shown, the embodiment of the present invention provides a jib assembly, including a turntable 1, a boom 2, a forearm 3 and a forearm connection seat 4, the boom 2 is hinged to the turntable 1, and the forearm connection seat 4 is connected to the large arm The arm 2 is articulated, and the forearm 3...

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Abstract

The invention discloses a boom assembly which comprises a rotary table, a big arm, a small arm and a small arm connecting seat.The big arm is hinged to the rotary table, the small arm connecting seat is hinged to the big arm, and the small arm is hinged to the small arm connecting seat.The boom assembly is characterized in that a first connecting rod is hinged to the big arm, the end, away from the big arm, of the first connecting rod is hinged to the telescoping end of a first telescoping mechanism, a first connecting frame is hinged to the rotary table and is hinged to the telescoping end of the first telescoping mechanism, the first connecting frame is hinged to the first connecting rod, and the hinge position of the first connecting frame and the rotary table is higher than the hinge position of the first telescoping mechanism and the rotary table.The invention further discloses a concrete guniting vehicle.The concrete guniting vehicle adopts the boom assembly.The boom assembly is wider in operating range.

Description

technical field [0001] The present application relates to the technical field of engineering machinery, and in particular to a boom assembly. The present application also relates to a concrete spraying vehicle, which adopts the above-mentioned boom assembly. Background technique [0002] In tunnel engineering construction, after tunnel excavation, in order to control the appropriate release and deformation of surrounding rock stress, increase structural safety and facilitate construction, immediately after tunnel excavation, a structural layer with low stiffness and a part of the permanent bearing structure is constructed, called initial support. [0003] The initial support in tunnel engineering generally adopts shotcrete anchor support. Shotcrete anchor support refers to the joint action of high-pressure sprayed cement concrete and metal anchor rods driven into the rock formation to strengthen the rock formation, which is divided into temporary support structures and perm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/10
CPCE21D11/10
Inventor 王祥军龚俊陈雄管付如
Owner HUNAN WUXIN TUNNEL INTELLIGENT EQUIP CO LTD
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