Patent Number: 
Section: claims

1. A cabin structure of a manned vehicle for special environment use, the structure being configured such that a cabin is mounted on a vehicle body having at least an engine and a vehicle moving mechanism driven by the engine, this cabin storing an operation terminal for operating the engine and the vehicle moving mechanism, and having a space for accommodating an operator who operates the operation terminal or an occupant, whereinthe cabin is formed as a casing body having a protection structure and partitioned and separable from the vehicle body,the casing body has a coupling and fastening part on a bottom side of the cabin for secure attachment to the vehicle body with restraint at least in planar coordinate directions,the casing body has a monocoque structure of a combination of a plurality of metal plates that can function as shielding masses, and, around a hole drilled in the metal plate, a baffle is provided at a position facing an incoming direction of special substances, or a bent path for incoming special substances is formed by one or a plurality of the metal plates, so that the operator or occupant inside the cabin is not directly exposed to the special substances from outside the casing body. 2. The cabin structure of a manned vehicle for special environment use according to claim 1,wherein the casing body has a box-like structure without a bottom plate or with a separable bottom plate, the bottom plate or a lower end part of the casing body being secured to the vehicle body, andwherein the coupling and fastening part is provided between the vehicle body and the box-like structure for secure attachment with restraint in planar coordinate directions. 3. The cabin structure of a manned vehicle for special environment use according to claim 1,wherein the casing body has surface parts at least on a front side and a rear side in a vehicle moving direction that are shielded by lead glass with front and rear visibility. 4. The cabin structure of a manned vehicle for special environment use according to claim 1, further comprising:an opening formed in a bottom plate of the casing body and having a seal part for seal off from special substances and, whereina control unit controlling the vehicle body and supplementary equipment by processing signals including a signal obtained by operation of the operation terminal is disposed as the protection structure inside the casing body, while a signal line for transmitting signals processed in the control unit is extended through the opening into the vehicle body. 5. The cabin structure of a manned vehicle for special environment use according to claim 1,wherein the coupling and fastening part comprises fitting parts protruding and recessed in a direction perpendicular to the planar coordinates, the fitting parts fitting to each other to connect the casing body with the vehicle body and restraining the casing body to the vehicle body in three-dimensional directions. 6. The cabin structure of a manned vehicle for special environment use according to claim 1,wherein the coupling and fastening part comprises bolts fastened to connect the casing body to the vehicle body such as to be separable from the vehicle body. 7. A manned vehicle for special environment use,wherein the vehicle body according to claim 1 is a body of an industrial vehicle having an engine, a vehicle moving mechanism driven by the engine, and a work end driven by operation of the operation terminal in a cabin, andwherein a signal from the operation terminal is configured to be transmitted via a signal tube or a signal line directly through the opening(s) to the vehicle body, or to be transmitted to the vehicle body through the opening(s) via the signal line for transmitting signals processed in the control unit disposed inside the casing body. 8. A cabin structure of a manned vehicle for special environment use, the structure being configured such that a cabin is mounted on a vehicle body having at least an engine and a vehicle moving mechanism driven by the engine, this cabin storing an operation terminal for operating the engine and the vehicle moving mechanism, and having a space for accommodating an operator who operates the operation terminal or an occupant, whereinthe cabin is formed as a casing body having a protection structure and partitioned and separable from the vehicle body,the casing body has a coupling and fastening part on a bottom side of the cabin for secure attachment to the vehicle body with restraint at least in planar coordinate directions,the casing body has a monocoque structure of a combination of a plurality of metal plates that can function as shielding masses, anda gap portion between adjacent metal plates is formed as a bent path for incoming special substances and formed either by an abutment plate provided at a position facing an incoming direction of special substances or by one or a plurality of the metal plates, so that the operator or occupant inside the cabin is not located on a line extending straight from outside air through the gap portion. 9. The cabin structure of a manned vehicle for special environment use according to claim 8, wherein the casing body has a box-like structure without a bottom plate or with a separable bottom plate, the bottom plate or a lower end part of the casing body being secured to the vehicle body, andwherein the coupling and fastening part is provided between the vehicle body and the box-like structure for secure attachment with restraint in planar coordinate directions. 10. The cabin structure of a manned vehicle for special environment use according to claim 8,wherein the casing body has surface parts at least on a front side and a rear side in a vehicle moving direction that are shielded by lead glass with front and rear visibility. 11. The cabin structure of a manned vehicle for special environment use according to claim 8, further comprising:an opening formed in a bottom plate of the casing body and having a seal part for seal off from special substances and, whereina control unit controlling the vehicle body and supplementary equipment by processing signals including a signal obtained by operation of the operation terminal is disposed as the protection structure inside the casing body, while a signal line for transmitting signals processed in the control unit is extended through the opening into the vehicle body. 12. The cabin structure of a manned vehicle for special environment use according to claim 8,wherein the coupling and fastening part comprises fitting parts protruding and recessed in a direction perpendicular to the planar coordinates, the fitting parts fitting to each other to connect the casing body with the vehicle body and restraining the casing body to the vehicle body in three-dimensional directions. 13. The cabin structure of a manned vehicle for special environment use according to claim 8,wherein the coupling and fastening part comprises bolts fastened to connect the casing body to the vehicle body such as to be separable from the vehicle body. 14. A manned vehicle for special environment use,wherein the vehicle body according to claim 8 is a body of an industrial vehicle having an engine, a vehicle moving mechanism driven by the engine, and a work end driven by operation of the operation terminal in a cabin, andwherein a signal from the operation terminal is configured to be transmitted via a signal tube or a signal line directly through the opening(s) to the vehicle body, or to be transmitted to the vehicle body through the opening(s) via the signal line for transmitting signals processed in the control unit disposed inside the casing body. 15. A manned vehicle for special environment use, having: a vehicle body having at least an engine and a vehicle moving mechanism driven by the engine; and a cabin storing an operation terminal for operating the engine and the vehicle moving mechanism and accommodating an operator who operates the operation terminal or an occupant, whereinthe cabin is formed as a casing body having a protection structure and partitioned and separable from the vehicle body,the casing body is fixed to the vehicle body via a coupling and fastening part with restraint at least in planar coordinate directions,the casing body has a monocoque structure of a combination of a plurality of metal plates that can function as shielding masses, anda gap portion between adjacent metal plates is formed as a bent path for incoming special substances and formed either by a baffle provided at a position facing an incoming direction of special substances or by one or a plurality of the metal plates, so that the operator or occupant inside the cabin is not located on a line extending straight from outside air through the gap portion. 16. The manned vehicle for special environment use according to claim 15,wherein the casing body has a box-like structure without a bottom plate or with a separable bottom plate, the bottom plate or a lower end part of the casing body being secured to the vehicle body, andwherein the coupling and fastening part is interposed between the vehicle body and the box-like structure for secure attachment with restraint in planar coordinate directions. 17. The manned vehicle for special environment use according to claim 15, further comprising:one or a plurality of openings having a seal part formed in a bottom plate of the casing body facing the vehicle body and seal off from special substances and, whereina control unit controlling the vehicle body and supplementary equipment by processing signals including a signal obtained by operation of the operation terminal is disposed inside the casing body, while a signal line for transmitting signals processed in the control unit is configured to transmit the signals to the vehicle body through the opening. 18. The manned vehicle for special environment use according to claim 15,wherein the casing body has surface parts at least on a front side and a rear side in a vehicle moving direction that are shielded by lead glass with front and rear visibility. 19. The manned vehicle for special environment use according to claim 15,wherein the coupling and fastening part comprises a protrusion and a recess protruding and recessed in a direction perpendicular to the planar coordinates, with one of the protrusion and the recess being formed on the casing body and the other one of the protrusion and the recess being formed on the vehicle body, which are fitted to each other to restrain the casing body to the vehicle body in three-dimensional directions. 20. A manned vehicle for special environment use, having: a vehicle body having at least an engine and a vehicle moving mechanism driven by the engine; and a cabin storing an operation terminal for operating the engine and the vehicle moving mechanism and accommodating an operator who operates the operation terminal or an occupant, whereinthe cabin is formed as a casing body having a protection structure and partitioned and separable from the vehicle body,the casing body is fixed to the vehicle body via a coupling and fastening part with restraint at least in planar coordinate directions,the casing body has a monocoque structure of a combination of a plurality of metal plates that can function as shielding masses, andaround a hole drilled in the metal plate, a baffle is provided at a position facing an incoming direction of special substances, or a bent path for incoming special substances is formed by one or a plurality of the metal plates, so that the operator or occupant inside the cabin is not directly exposed to the special substances from outside the casing body. 21. The manned vehicle for special environment use according to claim 20,wherein the casing body has a box-like structure without a bottom plate or with a separable bottom plate, the bottom plate or a lower end part of the casing body being secured to the vehicle body, andwherein the coupling and fastening part is interposed between the vehicle body and the box-like structure for secure attachment with restraint in planar coordinate directions. 22. The manned vehicle for special environment use according to claim 20, further comprising:one or a plurality of openings having a seal part formed in a bottom plate of the casing body facing the vehicle body and seal off from special substances and, whereina control unit controlling the vehicle body and supplementary equipment by processing signals including a signal obtained by operation of the operation terminal is disposed inside the casing body, while a signal line for transmitting signals processed in the control unit is configured to transmit the signals to the vehicle body through the opening. 23. The manned vehicle for special environment use according to claim 20,wherein the casing body has surface parts at least on a front side and a rear side in a vehicle moving direction that are shielded by lead glass with front and rear visibility. 24. The manned vehicle for special environment use according to claim 20,wherein the coupling and fastening part comprises a protrusion and a recess protruding and recessed in a direction perpendicular to the planar coordinates, with one of the protrusion and the recess being formed on the casing body and the other one of the protrusion and the recess being formed on the vehicle body, which are fitted to each other to restrain the casing body to the vehicle body in three-dimensional directions.