Construction equipment

Abstract

Construction equipment of which protection structure for an operator's cab when rolling over can be constituted to be favorable in visibility, transportability, and assembling and disassembling operability is provided. For this purpose, the construction equipment includes an upper revolving superstructure frame ( 4 ) rotatably loaded on a base carrier ( 3 ); and an operator's cab ( 7 ), a working machine ( 5 ) and a counterweight ( 6 ) which are provided on the upper revolving superstructure frame. Further, an operator's cab protection frame ( 10 A), which includes an operator's cab protection member ( 11 ), supporting members ( 12 A, 13 A) for supporting the operator's cab protection member and mounting members ( 19, 19 ) with which base end portions of the supporting members are mounted to a vehicle body, is mounted to the upper revolving superstructure frame, and is provided upright behind the operator's cab.

1 . Construction equipment comprising a base carrier; an upper revolving superstructure frame rotatably loaded on said base carrier; and an operator's cab, a working machine and a counterweight which are provided on said upper revolving superstructure frame, 
 wherein an operator's cab protection frame, which includes an operator cab protection member, supporting members for supporting said operator's cab protection member, and mounting members with which mounting base end portions of said supporting members are mounted to a vehicle body, is mounted to said upper revolving superstructure frame, and is provided upright behind said operator's cab.    
   
   
       2 . The construction equipment according to  claim 1 , 
 wherein said operator's cab protection frame is mounted to a vertical plate member of said upper revolving superstructure frame.    
   
   
       3 . The construction equipment according to  claim 1 , 
 wherein said operator's cab protection frame is mounted to an upper portion of said counterweight.