EARTH EXCAVATOR FOR PNEUMATIC CAISSON - Taiho Construction Co., Ltd.

Title:

EARTH EXCAVATOR FOR PNEUMATIC CAISSON

Document Type and Number:

Japanese Patent JP3256297

Kind Code:

B2

Abstract:

PURPOSE: To provide an earth excavator for a pneumatic caisson, which can excavate a bedrock in a workroom completely even in a circular caisson having a small diameter and can be miniaturized and lightened as a whole.
CONSTITUTION: A swing seat 5 having a small diameter and a travelling rail 6 having a diameter larger than the swing seat 5 are fixed concentrically onto the ceiling surface 4 of the workroom 3 of a caisson body 1, and a travelling body 7 with a travelling driving gear 11 is suspended to the travelling rail 6. A pair of traverse rails 19a, 19b are bridged between a swing seat 5 and the travelling body 7 through a traverse frame 15, a traverse body 21 with a traverse driving gear 25 is suspended to the traverse rails 19a, 19b, and an excavator 30 is installed to the traverse body 21 through a swing bearing 29, thus constituting the title earth excavator.

Inventors:

Jiro Tsunoda
Norio Kondo
Ryo Terashima

Application Number:

JP30659592A

Publication Date:

February 12, 2002

Filing Date:

October 20, 1992

Export Citation:

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