JP2500039Y2 - Driver's cab with evacuation ladder - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driver's cab provided with an evacuation ladder for an operator to evacuate from an operator's cab provided at a high place such as a deck crane of a cargo ship.

[0002]

11 is a perspective view of a typical prior art, and FIG. 12 is an enlarged front view showing the vicinity of the deck crane 1 shown in FIG. The cargo ship 3 is provided with a deck crane 1 for carrying out cargo handling work for the cargo 5 in the hold 4. The deck crane 1 includes a pillar 7 standing on a deck 6 and a swivel base 8 provided near the upper portion of the pillar 7.
And a pair of cranes 9 and 10 which can be swiveled on the swivel base 8 about the vertical axis.

Each crane 9, 10 comprises a crane body 11, 13 as a housing, and a crane body 11, 1
Arms 14 and 1 forming a pair whose base ends are pin-connected to 3
5, each arm 14 and 15 is angularly displaced up and down about the base end so that the cargo 5 in the hold 4 can be moved back and forth. In the vicinity of the upper part of each main body 11 and 13, there are provided cabs 16 and 17 for controlling the cranes 9 and 10, respectively, and in each cab 16 and 17, not shown, provided inside the main bodies 11 and 13. The operator can enter by climbing the ladder.

The driver's cab 16, 17 of each main body 11, 13
Machine rooms 18 and 19 in which mechanisms for rotating and driving the main bodies 11 and 13 or driving and angularly displacing the arms 14 and 15 are arranged are provided below the machine room.
The doors 21 and 23 can be opened and closed to access the doors 8 and 19. Evacuation ladders 24, 25 for the operator to escape from the driver's cabs 16, 17 when a fire or the like occurs in the main bodies 11, 13 are fixed to the doors 21, 23, and the evacuation ladders 24, 25 are fixed. Below 25, each body 11,
Evacuation ladders 26 and 27 fixed to 13 are provided.
An operator in the cab 16, 17 can open the windows 28, 29 to get off the platform 8'through the evacuation ladders 24 to 27. The platform 8'is provided with a storage box 31 in which a hoist-type evacuation ladder 30 is stored, and an operator who descends on the platform 8'through the evacuation ladders 24 to 27 folds it into the storage box 31. The evacuation ladder 30 stored in the folded state is taken out and hung down from the platform 8 ′, and the evacuation ladder 30 can be evacuated to the deck 6 along the evacuation ladder 30. The installation position of the storage box 31 in which the evacuation ladder 30 is stored is not limited to the platform 8 ', but the doors 21 and 2 of the machine rooms 18 and 19 are installed.
In some cases, the storage box 31 is provided not at the operator's cabs 16 and 17 which are close to the operator but at a distant position.

[0005]

In such a prior art, since the storage box 31, and hence the evacuation ladder 30, is provided at a position away from the driver's cabs 16 and 17, it is exposed to gusts in an emergency. There is a problem that the evacuation ladder 30 must be taken out from the storage box 31 below, and evacuation activities cannot be performed quickly and safely. In addition, in the event of a fire, the operator can
When opening 8 and 29 and evacuating, carelessly the doors 21 and 23
When the door is opened, the operator cannot use the evacuation ladders 24 and 25, which poses a problem that the evacuation activities are hindered.

Therefore, an object of the present invention is to install an evacuation ladder as close as possible to the operator without causing any trouble in the driving operation of the operator, and to evacuate quickly and safely in the event of a fire or the like. It is to provide a driver's cab equipped with an escape ladder that enables

[0007]

According to the present invention, an operator's cab is provided in a crane housing rotatably mounted on a hollow post standing on a deck, and the operator's cab is opened and closed by a first hinge means. A free swing window and a chair on which an operator sits are provided facing the swing window, and a lid body to which the chair is attached and a lid body on which a second hinge is provided below the chair. Storage means provided with a casing that is openably and closably connected by means and has a storage space in which an escape ladder is stored, and one end of the escape ladder is
An evacuation cab provided with an evacuation ladder, which is fixed to an inner surface of the casing.

[0008]

According to the present invention, a hollow post is erected on the deck, and a cab is provided in a crane housing which is rotatably attached to the hollow post. During operation, the swing window is opened and closed by the first hinge means, and a chair on which the operator sits is provided facing the swing window. A storage means having a storage space for storing the escape ladder is provided below the chair. The storage means has a casing and a lid body that is openably and closably connected to the casing by a second hinge means, and the chair is attached to the lid body. In this way, by using the space existing under the chair in the relatively small cab, the storage means for the evacuation ladder is installed at the position closest to the operator without hindering the operation. Therefore, when a fire or the like occurs, the lid of the storage means is opened by tilting the chair, the evacuation ladder is taken out from the casing, the swing window is opened, and it hangs down from the operator's cab. You can quickly evacuate on the deck.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 is a deck crane 3 according to an embodiment of the present invention.
5 is a cross-sectional view of the vicinity of the cab 36 of FIG. 5, FIG. 2 is a front view of the vicinity of the cab 36 as viewed from the right side of FIG. 1, and FIG. 3 is a cross-sectional view of the cross-section line III-III of FIG. is there. A housing 38 is erected on a deck 37 which is an upper deck of a cargo ship, and an operating cab 36 is provided in the housing 38. The housing 38 is rotatably provided on a turntable called a turntable (not shown), and the turntable is provided above the hollow post 39 so as to be rotatable about a vertical axis. The height H from the deck 37 to the cab 36 is, for example, about 13 m.

The outer wall 40 of the housing 38 has a substantially truncated cone shape, and the cab case 41 of the operator's cab 36 is fixed to the outer wall 40 in a state of partially projecting into the internal space 43. The cab case 41 has a rear wall 4 in which an inlet / outlet opening 44 that faces the internal space 43 is formed.
5 and the rear wall 45 is provided with a door 46 and a ladder 47. Below ladder 47, another ladder 48
Is provided so that the operator can descend to the machine room below the cab 36 or return to the inside of the cab 36 from the machine room.

On the front wall 49 of the cab case 41, there is provided a swing window 51 which is connected by a hinge 50 which is a first hinge means so as to be angularly displaceable at an upper portion thereof, and the swing window 51 closes an opening 53. Be done. When the swing window 51 is opened as shown in FIG. 1, the upper portion of the swing window 51 and the front wall 49 are connected to the front wall 49 by the hinge 50, so that the indoor space 54 of the cab 36 has the opening 53. It is opened downward via.

The side wall 55 of the cab case 41 is provided with a window 56 into which transparent glass or the like is fitted and fixed, and a window 57 is provided above the front wall 49. The window 57 is held by a plurality of arms 58. Inside the indoor space 54, a pair of operation levers 59a and 59b are provided close to the front wall 49, and a plurality of operation switches 60 are provided on one operation lever 59a side. By operating the operation levers 59a and 59b and the operation switch 60, the swinging, hoisting and lifting operations of the deck crane 35 can be controlled.

A chair 61 is provided substantially in the center of the indoor space 54 in FIG. 3, and a storage box 64 which is a storage means for storing the escape ladder 63 is installed below the chair 61. The storage box 64 is fixed to the bottom plate 65 of the cab case 41 by welding or the like.

FIG. 4 is a partially cut-away side view for explaining the mounting state of the chair 61 and the storage box 64, and FIG. 5 is a sectional view taken along the section line VV of FIG. . The storage box 64 is opened upward, and has a casing 67 having a storage space 66 in which the evacuation ladder 63 is stored, and hinges 68a and 68b serving as second hinge means at one side edge 68 above the casing 67. And a lid 69 that is openably and closably connected in the arrow A1 and A2 directions.

As shown in FIG. 6, each of the hinges 68a and 68b has a pair of hinge pieces 70 and 71 and a hinge pin 7 that rotatably connects the hinge pieces 70 and 71 to each other.
And 3. One hinge piece 70 is fixed to the lid 69, and the other hinge piece 71 is fixed to one side portion of the casing 67. Each hinge 6 having such a configuration
The evacuation ladder 63 as shown in FIG. 7 is stored with the lid 69 opened by the arrows 8a and 68b in the direction of the arrow A1.

The evacuation ladder 63 includes a pair of wire ropes 73 and 74, and a plurality of metal cross rails 75 fixed to the wire ropes 73 and 74 at equal intervals in the longitudinal direction at both ends. Have. Fittings 76 and 77 are connected to one end of the wire ropes 73 and 74 in the longitudinal direction, and the fittings 76 and 77 are fixed to the inner surface 78 of the casing 67 by welding or the like to form a pair of U-shaped locks. Metal fittings 7
8 and 79, respectively. Such an evacuation ladder 63 has a length (about 13 m or more in this embodiment) that allows the operator in the cab 36 to reach the deck 37.

The chair 61 has a seat 80 on which an operator is seated, and a back plate 83 connected to the seat 80 by a connecting member 81 formed of a metal pipe or the like and bent in a substantially L shape. Such a chair 61 is rotatably movable in the directions of arrows B1 and B2 and can be moved forward or backward in the directions of arrows C1 and C2 by a mounting means 84 described below so that the lid 6 can be displaced.
9 above.

FIG. 8 is a sectional view showing a specific structure of the mounting means 84. A metal cover body 85 is provided in the lower portion of the seat 80, and one end of the shaft rod 86 in the axial direction is fixed to the cover body 85 by, for example, welding or the like, and a gap is formed between the outer peripheral surface of the shaft rod 86. A right cylindrical sleeve 87 having a cylindrical shape is fixed. The other end portion in the axial direction of the shaft rod 86 is partially inserted into the shaft rod 88 in which the external screw 88a is engraved over the length L in the axial direction, and the operating piece 95 is formed.
It is fixed so that the vertical displacement can be adjusted.

On the other hand, a long guide hole 89 extending along the forward / backward directions C1 and C2 is formed in the lid 69, and the other end of the shaft rod 88 is inserted into the long guide hole 89. . A holding member 90 is fixed by welding in the vicinity of the lower end of the shaft rod 88 inserted into the guide elongated hole 89.
On the shaft 88, another holding member 91 is provided with a lid 69.
The nut 93 is screwed on after being loosely attached. The operation lever 94 is fixed to the nut 93 by welding,
By angularly displacing the operation lever 94 in the arrow D1 direction, the nut 93 is loosened in the direction away from the holding member 90 (upward in FIG. 8), and in this state the chair 61 is moved in the arrow C1 and C2 directions. By doing so, the sitting position of the operator can be adjusted. Further, the operation lever 94 is angularly displaced in the direction of arrow D2 and the nut 93 is tightened in the direction approaching the sandwiching member 91 (downward in FIG. 8).
The lid 69 is sandwiched by the two sandwiching members 90, 91,
The chair 61 can be fixed at any fixed position along the guide long hole 89.

Further, in order to prevent the lid 69 from being easily opened by an undesired external force from the operator, a lock bolt 96 is provided on the casing 67 as shown in FIG. 9, and the head of the lock bolt 96 is provided. The portion is in contact with the inner surface of the flange 97 of the lid 69 that is bent at a substantially right angle at the peripheral portion. Thus, the lid 69 can be easily opened by pressing the back plate 83 of the chair 61 in the direction of the arrow A1 with a relatively large force, and the lid 69 is opened by the vibration accompanying the cargo handling work. Therefore, it is possible to prevent the chair 61 from being angularly displaced in the arrow A1 direction.

With the above construction, when an emergency such as a fire occurs, as shown in FIG.
By tilting the chair 61 in the direction of arrow A1, the lid 69 is opened at the same time, and the evacuation ladder 63 stored in the storage space 66 of the casing 67 is taken out, and the swing window 51 is opened.
Is opened and drooped downward, and in this state, the operator can quickly evacuate from the inside of the cab 36 onto the deck 37.
Moreover, since the storage box 64 is provided below the chair 61, the evacuation ladder 63 can be provided without requiring a large occupied space in the relatively small driver's cab 36 and without hindering the driving operation. It can be stored at the position closest to the operator.

[0022]

As described above, according to the present invention, the storage means is provided under the chair in the driver's cab, and the evacuation ladder is stored in the storage means. The evacuation ladder can be stored in the position closest to the operator without requiring space and without hindering the driving operation, so that evacuation activities can be performed safely and quickly. You can

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a deck crane 35 according to an embodiment of the present invention near a cab 36.

FIG. 2 is a front view of the vicinity of a driver's cab 36 as viewed from the right side of FIG.

FIG. 3 is a sectional view taken along section line III-III in FIG.

FIG. 4 is a partially cutaway side view for explaining a mounting state of a chair 61 and a storage box 64.

FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4;

FIG. 6 is a partial cross-sectional view showing an attached state of a lid 69 and a casing 67.

FIG. 7 is a perspective view of an evacuation ladder 63.

FIG. 8 is a cross-sectional view showing a specific configuration of mounting means 84.

9 is a partial cross-sectional view showing a locking structure of a lid 69. FIG.

FIG. 10 is a perspective view showing a state in which an evacuation ladder 63 has been taken out from a storage box 64.

FIG. 11 is a typical prior art perspective view.

FIG. 12 is a front view of the vicinity of the deck crane 1.

[Explanation of symbols]

 35 deck crane 36 driver's cab 37 deck 38 housing 50 hinge 51 swing window 61 chair 63 evacuation ladder 64 storage box 66 storage space 67 casing 68a, 68b hinge 69 lid 76, 77 mounting metal fittings 78, 79 locking metal fittings

Claims (1)

(57) [Scope of utility model registration request] 1. A cab is provided in a crane housing rotatably attached to a hollow post standing on a deck, and the cab has a swing window which can be opened and closed by a first hinge means. A chair on which the operator sits is provided facing the swing window, and below the chair, a lid to which the chair is attached,
The lid is openably and closably connected by the second hinge means, and a storage means having a casing forming a storage space for storing the escape ladder is provided, and one end of the escape ladder is an inner surface of the casing. A driver's cab equipped with an escape ladder that is fixed to the.