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Excavator being large in excavation range and high in stability

An excavator and stability technology, applied in mechanically driven excavators/dredgers, earth movers/shovels, construction, etc., can solve the problems of unstable factors, limited excavation range, etc., to increase the excavation range , The effect of reducing material cost and convenient operation

Pending Publication Date: 2019-01-11
山东帝盟重工机械有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes an excavator with a large excavation range and good stability, aiming at the problems that the traditional excavator has a limited excavation range, and the excessive excavation range and climbing on a large slope easily lead to unstable factors.

Method used

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  • Excavator being large in excavation range and high in stability
  • Excavator being large in excavation range and high in stability
  • Excavator being large in excavation range and high in stability

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Embodiment 1

[0022] Embodiment 1, this embodiment provides the specific structure of the excavator. Such as Figures 1 to 3 As shown, the excavator in this embodiment includes a lower traveling mechanism 1, a fuselage 3, a working device 2, and a counterweight 4. The lower traveling mechanism 1 is connected to the fuselage 3 through a slewing bearing, and the connection between the working device 2 and the fuselage 3 The first hydraulic cylinder group 8 is arranged between them, the first hydraulic cylinder group 8 includes two hydraulic cylinders, the cylinder barrel of the hydraulic cylinder is hinged with the hinge seat 9 on the fuselage bottom plate 7, and the piston rod top of the hydraulic cylinder is connected with the working device base 6 rear fixedly connected to the upper part of the body, a second hydraulic cylinder group 5 is arranged between the counterweight 4 and the fuselage 3, and this group of hydraulic cylinders also includes two hydraulic cylinders, the cylinder barrel...

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Abstract

The invention belongs to the technical field of excavator equipment, and relates to an excavator being large in excavation range and high in stability. The excavator comprises a lower traveling mechanism, an excavator body, a working device and a counterweight, wherein the lower traveling mechanism and the excavator body are connected through a rotating support; a first hydraulic oil cylinder group is arranged between the working device and excavator body; cylinder tubes I in the first hydraulic oil cylinder group are hinged with the excavator body; the tops of piston rods I are fixedly connected with the working device; the counterweight is arranged at the rear part of the excavator body; a second hydraulic oil cylinder group is arranged between the counterweight and the excavator body; cylinder tubes II in the second hydraulic oil cylinder group are fixedly connected with the excavator body; and the tops of piston rods II are fixedly connected with the front part of the counterweight. Not only can the excavation range of the excavator be enlarged, but also the overall stability of the excavator can be prevented from being influenced; the relatively convenience operation can be provided for the excavation of rugged mountain roads and the ground with very poor road conditions; and the gravity center of the counterweight deflects backward, so that the material cost of the counterweight can be reduced.

Description

technical field [0001] The invention belongs to the technical field of excavator equipment, and relates to an excavator with a large digging range and good stability. Background technique [0002] The excavator includes the lower walking mechanism, the fuselage and the working device. The fuselage includes the cab, the power unit, the transmission system and the counterweight, etc. The working device includes the boom, stick and bucket and their corresponding control hydraulic cylinders. The fuselage and the base of the working device are fixed and rigidly connected, and the counterweight is fixed in the rear shell of the fuselage. The overall working device and the counterweight do not have the ability to move. The excavation range of the excavator is limited, and the excavation operation is not easy to operate in areas with uneven and rugged mountainous areas, and the working conditions are complicated. If the excavation range is too large and climbing on a steep slope, it...

Claims

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Application Information

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IPC IPC(8): E02F3/32E02F9/18
CPCE02F3/32E02F9/18
Inventor 王金铂王兆强张道秋樊磊
Owner 山东帝盟重工机械有限公司
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