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Hydraulic grab bucket device of underground diaphragm wall

A technology of underground continuous wall and hydraulic grab, which is applied in the direction of earth mover/shovel, construction, etc. It can solve the problems of adding grabs, increasing weight, and moving the center of gravity of grabs upwards, so as to prevent grabs from getting stuck in the groove, The effect of increasing the design width

Active Publication Date: 2012-06-20
SHANGHAI ZOOMLION HEAVY IND PILING MACHINERYCO +1
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Problems solved by technology

However, this measure makes the weight of the grab not well guaranteed. In order to increase the weight, the height of the grab can only be increased when the thickness and width of the grab cannot be increased, so that the center of gravity of the grab will move up and It is not conducive to the accuracy of groove formation

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  • Hydraulic grab bucket device of underground diaphragm wall
  • Hydraulic grab bucket device of underground diaphragm wall
  • Hydraulic grab bucket device of underground diaphragm wall

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Embodiment Construction

[0033] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0034] figure 1 A schematic structural view of the thin-walled underground diaphragm wall hydraulic grab device according to the present invention is shown. Such as figure 1 As shown, the hydraulic grab device 10 includes a frame 11, a grab bucket 12 installed on the frame, and mud scrapers 13, 14 arranged on both sides of the bottom of the frame 11 along the width direction, and two mud scrapers 13 on both sides , 14 in the width direction across the mud scraping width is greater than the width W3 of the frame 11 .

[0035] In this application, width refers to the dimension along the line connecting the pivot axes of the left and right grab buckets, and thickness refers to the dimension along the extension direction of the pivot axes of the left ...

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Abstract

The invention discloses a hydraulic grab bucket device of an underground diaphragm wall, which comprises a frame, a grab bucket installed on the frame and mud scraping pieces arranged at the bottom of the frame along two sides of the frame in the width direction, wherein mud scraping width of the two mud scraping pieces which are arranged on two sides of the frame and stride along the width direction is larger than that of the frame. By additionally arranging mud scraping plates are on two sides of the bottom of the frame, the facts that mud on a trough wall is removed and trough clamping in the grab bucket is avoided are achieved so that designing width of the frame can be increased to the most extent. The hydraulic grab bucket device is suitable for excavation of the thin-wall type underground diaphragm wall, and the problems which a thin-wall type grab bucket device has can be solved.

Description

technical field [0001] The invention relates to an excavating machine, in particular to a hydraulic grab device for an underground continuous wall. Background technique [0002] The underground diaphragm wall is a kind of excavating narrow and deep trench in the ground with the help of the function of the wall protection of the mud, and pouring appropriate materials in it to form a wall with anti-seepage (water), retaining and anti-seepage. A continuous underground wall for load-bearing functions. [0003] Compared with the hydraulic grab suitable for thick-walled underground diaphragm walls, the hydraulic grab suitable for thin-walled underground diaphragm walls is thinner and has fewer teeth, or even a single tooth. During operation, there is more soil remaining on the tank wall. [0004] In addition, since the hydraulic grab of the thin-walled underground diaphragm wall is thin, it is impossible to install a left and right deviation correction mechanism. In order to obt...

Claims

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Application Information

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IPC IPC(8): E02F5/02E02F5/14
Inventor 乔国华方东辉梅峰
Owner SHANGHAI ZOOMLION HEAVY IND PILING MACHINERYCO
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