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Set of members forming upper frame of construction machine

A technology for construction machinery and frames, which is applied to the upper structure of trucks, vehicle parts, upper structures, etc., can solve the problems of increased number of parts, increased costs, complicated welding operations, etc., and achieve the effect of simple structure and improved operation efficiency

Inactive Publication Date: 2014-06-11
KOBELCO CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the welding work is complicated and the number of parts increases, resulting in an increase in cost

Method used

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  • Set of members forming upper frame of construction machine
  • Set of members forming upper frame of construction machine
  • Set of members forming upper frame of construction machine

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Experimental program
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Embodiment Construction

[0017] Embodiments of the present invention will be described below based on the drawings. In addition, the description of the following specific embodiments is merely an example in nature, and is not intended to limit the present invention and its applicability or use. exist figure 1 In , the arrows represent the up-down, front-back, and left-right directions, respectively. Unless otherwise mentioned, directions such as up and down will be described in accordance with the directions indicated by these arrows.

[0018] figure 1 It is a perspective view showing the structure of the construction machine according to the embodiment of the present invention. Such as figure 1 As shown, the construction machine 10 includes an undercarriage 11 and a revolving upper body 12 rotatably supported by the undercarriage 11 .

[0019] The upper slewing body 12 has an upper frame 15 constituting its skeleton foundation, a working machine 13 mounted on the front end of the upper frame 15 ...

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PUM

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Abstract

A set of members forming an upper frame of a construction machine includes a center section, a left side deck, and a right side deck. The center section has a bottom plate, a left longitudinal plate and a right longitudinal plate. The left side deck has a left deck beam. The right side deck has a right deck beam. At least one of the left deck beam or the right deck beam is adjustment deck beams. The adjustment deck beam has a contacting part that is adapted to be brought into contact with and is also adapted to be welded to an external side surface of an adjustment-side longitudinal plate, a first opposing part that is adapted to be opposed to a side surface of the bottom plate and is also adapted to be welded to the side surface, and a second opposing part that is adapted to be opposed to an upper surface of the bottom plate by having a height-adjustment gap in an up and down direction in a state where the contacting part is brought into contact with the external side surface of the adjustment-side longitudinal plate and also the first opposing part is opposite to the side surface of the bottom plate. Therefore, working efficiency can be improved by facilitating adjustment of height positions of side decks to a center section in a simple configuration.

Description

technical field [0001] The present invention relates to a collection of parts constituting an upper frame of a construction machine. Background technique [0002] Conventionally, there is known an upper frame of a construction machine that includes a middle portion for mounting a work machine and side platforms provided on the left and right sides of the middle portion (for example, refer to Japanese Patent Laid-Open Publication No. 2007-030866) . [0003] The middle portion includes a base plate and a pair of left and right vertical plates standing upright inside the left and right edges of the base plate and extending in the front-rear direction. The side platform has a side frame extending in the front-rear direction and a platform beam connecting the side frame to the middle part. [0004] Here, when connecting the platform beams of the side platforms to the vertical plates of the middle part, it is necessary to perform welding work of the vertical plates and the platf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/08
CPCE02F9/0816B62D33/02E02F9/08
Inventor 下村启介岛津泰彦
Owner KOBELCO CONSTR MASCH CO LTD