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Construction machinery and its supporting devices

A technology of engineering machinery and supporting devices, applied in cranes, transportation and packaging, vehicle maintenance, etc., can solve problems such as the large space occupied by the swing outrigger 4, difficulty in arranging the swing outrigger 4, and the limitation of the distance of the movable outrigger, and achieve structural Compactness, improved vehicle stability, and reduced vehicle weight

Active Publication Date: 2017-05-24
SANY AUTOMOBILE HOISTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] like figure 1 As shown, the H-shaped outrigger 3 is set perpendicular to the vehicle frame 1. The structure of the H-shaped outrigger 3 is constrained by the rear overhang and the departure angle. The distance from the movable outrigger to the center of rotation 2 is limited, and the longitudinal span is limited. Difficult to arrange
[0004] like figure 2 As shown, the swing leg 4 is X-shaped when stretched out along the frame 1. Since the retracted swing leg 4 takes up a large space, it will affect the layout of the axle and tires, and due to the impact of the axle and tires, etc. , it is difficult to arrange the swing outrigger 4

Method used

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  • Construction machinery and its supporting devices
  • Construction machinery and its supporting devices
  • Construction machinery and its supporting devices

Examples

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no. 1 example

[0050] refer to image 3 , which shows an implementation structure of a support device for construction machinery, the support device includes: a first movable outrigger, a second movable outrigger, and at least one supporting mechanism. Wherein, the first movable outrigger is arranged at a position corresponding to the center of rotation 20 on the frame 10 of the engineering machine, and is telescopically arranged toward the right side of the frame 10 . The extended position of the first movable leg corresponds to the center of rotation 20 on the vehicle frame 10 . The second movable outrigger is disposed at a position corresponding to the center of rotation 20 on the vehicle frame 10 , and is telescopically disposed toward the left side of the vehicle frame 10 . At least one supporting mechanism is arranged on the vehicle frame 10 . The extended position of the second movable leg corresponds to the center of rotation 20 on the vehicle frame 10 .

[0051] Optionally, in th...

no. 2 example

[0073] refer to Figure 4 , which shows another implementation structure of a support device for construction machinery, the support device includes: a first movable outrigger, a second movable outrigger, a third movable outrigger and a fourth supporting mechanism. Wherein, the first movable outrigger is arranged on one side of the vehicle frame 10 of the construction machine, and its protruding position corresponds to the rotation center 20 on the vehicle frame 10 . The second movable leg is arranged on the other side of the vehicle frame 10 , and its extended position corresponds to the center of rotation 20 on the vehicle frame 10 . The third movable outrigger is arranged at the rear of the vehicle frame 10 , and the fourth supporting mechanism is arranged at the front of the vehicle frame 10 .

[0074] In this embodiment, for some models whose outrigger span needs to be increased, a movable outrigger can be added at the rear of the vehicle frame to meet the requirement fo...

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Abstract

The invention discloses an engineering machine and a support device thereof. The support device comprises a first movable support leg, a second movable support leg and at least one support mechanism, wherein the first movable support leg is arranged at the position corresponding to a rotary center on a frame of the engineering machine and can extend toward the right side of the frame; the second movable support leg is arranged at the position corresponding to the rotary center on the frame and can extend toward the left side of the frame; and the at least one support mechanism is arranged on the frame. Therefore, the support device can reduce the number of the movable support legs, fully utilizes the space of the frame, enables the structure of the frame to be compact and greatly reduces the weight of the whole vehicle under the premise that stability requirements can be met.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to an engineering machinery and a supporting device thereof. Background technique [0002] At present, in the truck crane products, small and medium tonnage cranes usually adopt H-shaped structure, and large-tonnage and super-large-tonnage cranes usually adopt swing outrigger structure. [0003] Such as figure 1 As shown, the H-shaped outrigger 3 is set perpendicular to the vehicle frame 1. The structure of the H-shaped outrigger 3 is constrained by the rear overhang and departure angle. The distance from the movable outrigger to the center of rotation 2 is limited, and the longitudinal span is limited. Difficult to arrange. [0004] Such as figure 2 As shown, the swing outrigger 4 is X-shaped when extending along the vehicle frame 1. Since the retracted swing outrigger 4 takes up a large space, it will affect the layout of the axle and tires, and due to the influence of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60S9/02B66C23/80
Inventor 李安强董国庆吕宏松
Owner SANY AUTOMOBILE HOISTING MACHINERY
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