JPH0243198A - Material handling machine - Google Patents

Abstract

PURPOSE:To make improvements in cargo handling efficiency in preventing such accidents as damage to a box work or the like, rain wet, thawing, etc., from occurring by installing a hatch cover, forming an elevator shaft, and a bellow type expansion cover and its frame in a tip part of a horizontal frame provided with a belt conveyor. CONSTITUTION:During vertical conveying operation, a hatch opening is covered with a hatch cover 22, and an interval between a trolley frame 9 and this hatch cover 22 is covered with an expansion cover 32. The hatch cover 22 and the expansion cover 32 are engaged each with a guide rail 2 liftably via guide roller units 36, 38. Consequently, the hatch cover 22 and the expansion cover 32 are in no case swayed irrespective of wind and rain as well as a shake or the like in a material handling machine, and that the expansion cover 32 moves up and down in the wake of vertical motion of a ship, and thereby a lifting shaft of the elevator 3 is always secured in this expansion cover 32. Consequently, unloading work is smoothly performed irrespective of wind and rain, and when the box work or the like W is a frozen article, cold air flowing out of an inboard storeroom or the like will not escape to the outside of an elevator shaft, thus cargo handling work can be done as preventing any thawing accident.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is applicable to large boxes, joints stacked on pallets, bags, etc., which may fall down and be damaged if they are not transported while maintaining a horizontal state. Handle items that are likely to break down,
This relates to cargo handling machines that can operate even in rainy weather.

[Conventional technology]

Until now, there have been no practical machines for handling joints, etc. that cannot be transported on an incline, and for continuously unloading small to large heavy objects from a ship, or loading them onto a ship. They were hoisting it up and carrying out cargo handling work.

However, such work requires a great deal of labor, has poor working efficiency, and is also at risk of falling accidents. Furthermore, there is a risk that the transported goods may be damaged during cargo handling. Additionally, if you do not want the transported items to get wet in the rain, you will have to stop or suspend work if it rains while you are working, and if the transported items are frozen items, they will simply be exposed to the air. There was a risk of thawing during loading and unloading, and there was also the inconvenience of not being able to prevent cold air from escaping from the ship's storage rooms during cargo handling.

Conventionally, as an all-weather material handling machine that can work even in rainy weather,
A special conveyor is installed on the boom, a hatch cover is hung from the tip of the boom, and the conveyor is covered with a canvas. Therefore, it was not possible to handle joints that cannot be transported at an angle.

Recently, as cargo handling machines that can handle joints that cannot be conveyed on an inclined plane, chain elevator type conveyor devices (see Japanese Utility Model Publication No. 151911/1983) and conveyor devices using platform type conveyors (Japanese Patent Laid-Open No. 61-16643) have been developed.
(see Publication No. 5) have been proposed.

In the former, forward chains are arranged at intervals in the front, back, left and right between the upper and lower frames via sprocket groups provided on the upper and lower frames, respectively, and return chains are arranged in two sets of two threads arranged on one plane. A chain is stretched, and bendable cargo trays, which are horizontally supported by the outbound chain, are attached to the chain at intervals.

In the latter case, the guide sprockets at adjacent ends of the horizontal parts of two platform-type conveyors linked to each other are mounted on a carrier supported on the guide bodies of the bridge section, and via which the platform-type conveyors are connected. are connected to each other in their respective upper seating areas so that cargo can be relayed.

[Problem to be solved by the invention]

In the former case, since it is a chain elevator, in order to expand and contract it, a vertical movement device that can bring the upper and lower frames closer together or move them apart, and a chain slack remover that takes up the slack in the chain caused by the change in the distance between the upper and lower frames by the device are required. The expansion and contraction mechanism is complicated and expensive. In addition, due to the small expansion/contraction ratio, when used as an unloader or loader, the height of the machine becomes high because it has to accommodate the elevator length determined by the height of the ship when it is full or empty, the hatch depth, etc. However, it was not possible to avoid the inconvenience of being large.

In addition, in the latter case, the height of the tower that supports the bridge section via cables, the horizontal length of the bridge section, etc. are determined by the required lift height, so if there are restrictions due to land-side equipment, etc., the production plan will be very difficult. It may become difficult to obtain a product with dimensions and shape that match existing equipment. In addition, when changing the lifting height, it is necessary to raise and lower the sea side pipe, land side pipe, bridge section, etc. at the same time, so a cable winding device with a large capacity must be used, which reduces equipment costs. The inconvenience of high power costs could not be avoided.

[Purpose of the invention]

The present invention has been made to solve the above-mentioned problems, and is a method for rope lifting and lowering that can handle joints that cannot be carried at an angle, and can easily cope with the vertical movement of the ship when it is full or empty, the hatch depth, etc. To provide a cargo handling machine using a type elevator, and to enable stable work even in rainy weather.

[Means to solve the problem]

In a cargo handling machine, the present invention provides a hatch cover that is supported via separate hoisting ropes at the tip of a horizontal frame equipped with a conveyor, and a rope-lifting elevator that can be raised and lowered by penetrating the hatch cover. and a guide rail on which the elevator is guided on both sides is constructed between the horizontal frame and the cargo handling floor below the horizontal frame, and an elevator passage is provided inside between the horizontal frame and the hatch cover. The invention is characterized in that they are connected by a bellows type telescopic cover, and the frame of the telescopic cover and the hatch cover are engaged with the guide rail so as to be movable up and down, and this configuration achieves the above object.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

This cargo handling machine is installed at the tip of a horizontal frame 1,
Sea side elevator 3 that goes up and down using guide rail 2 as a guide
a sea side vertical conveyor section V+ consisting of a conveyor 4, etc.; a horizontal conveyor H provided on a horizontal frame l and consisting of a conveyor 4, etc.; It consists of a land-side vertical conveyance section v2 composed of an elevator 6 and the like that ascends and descends.

A trolley frame 9 is mounted on the distal end of the horizontal frame 1 and supported via transverse wheels 8 on a transverse rail 7 provided on the frame 1, and is movable in the longitudinal direction of the horizontal frame by a transverse device 10. There is. At the bottom of the trolley frame 9, there is an opening 12 that faces downward through the opening 11 provided at the tip of the horizontal frame 1, and a pedestal 13 is provided at the top. , a rail guide device W14 for guiding the guide rail 2 is provided. Further, in addition to the traversing device 1O, the lower part of the trolley frame 9 includes a winch 18.19 that can raise and lower the preparation table 15 with a hoisting rope 16.17, and a winch 21 that can raise and lower the elevator 3 with a hoisting rope 20. , Hatsuchi Tamaki 2
2, a winch 24 that can be raised and lowered by a hoisting rope 23;
A transfer conveyor 25 that transfers the joints W etc. between the elevator 3 of the sea side vertical conveyance section v1 and the conveyor 4 of the horizontal conveyance section H is mounted, and at the bottom of the trolley frame 9, A sheep 26 for raising and lowering the hatch cover is attached. Furthermore, sheaves 27, 28 for raising and lowering the preparation table, sheaves 29, 30 for raising and lowering the elevator, and the like are attached to the pedestal 13 portion of the trolley frame 9.

Between the bottom surface of the trolley frame 9 and the top surface of the hatch ring 22, there is a bellows that forms a continuous cylindrical elevator hoistway together with the opening 12 provided at the bottom of the trolley frame 9 and the opening 31 provided in the hatch ring 22. A telescopic cover 32 is provided.

A canvas 33 is hung around the lower part of the hatch ring 22 and is designed to prevent external forces from acting on the cargo handling machine body even when the ship is rocking when the space between the hatch ring 22 and the hatch opening P is covered. It's lowered.

As shown in FIG. 7, the hoisting row 116 has one end wrapped around the winch 18 and is suspended via sheaves 27, 28, and the hoisting row 117 has one end wrapped around the winch 19 and suspended through the sheaves 27 and 28. .28, and the lower ends of each rope are attached to the side ends near the four corners of the preparation table 15.

The preparation table 15 is stably suspended horizontally by the hoisting ropes 16 and 17 and is disposed below the elevator 3. A conveyor device 34 is provided on the preparation table 15.

The guide rail 2 is suspended by being supported at two points so that the guide rail 2 can be raised and lowered by an upper and lower rail guide device 14 provided on the trolley frame 9 at the upper part, and the lower end is connected to the intermediate part of the preparation table 15 via a pin 35. They are integrally connected and can be raised and lowered by hoisting rows 116 and 17.

As shown in FIG. 8, one end of the hoisting rope 23 is wound around a winch 24 and suspended via a sheave 26, and the lower ends of each rope are connected near the four corners of the cover 22.

The hatch ring 22 engages with the guide rail 2 via a guide roller unit 36 provided in the opening 31 forming part of the hatch ring 22, and is stably suspended horizontally by the hoisting rope 23. It can be raised and lowered by a winch 24.

A grooved roller is used as the roller of the guide roller unit 36, and as shown in FIG. 6, the guide rail 2 is engaged with the roller so as not to move in the directions a and b.

The bellows type telescopic cover 32 is engaged with the guide rail 2 via a guide roller unit 38 provided on the frame 37 of the telescopic cover 32, and can be raised and lowered as the hatch ring 22 is raised and lowered.

A grooved roller is used as the roller of the guide roller unit 38, and as shown in FIG. 6, the guide rail 2 is engaged with the roller so as not to move in the directions a and b.

As shown in FIG. 9, both ends of the hoisting rope 20 are wound around the winch 21, and the middle part is suspended from between the sheaves via sheaves 29 and 30.
A sheave 39 attached to the top is hung.

The elevator 3 is stably supported via a hoisting rope 20 and a sheave 35, and is engaged with the guide rail 2 via guide roller units 40 provided above and below the side ends of the elevator 3. , it is possible to move up and down between the transfer position of the horizontal transport section H with respect to the transport conveyor 4 and the elevator landing section of the preparation table 15. A conveyor device 41 is provided on the floor of the elevator 3.

The horizontal frame 1 is provided with a fixed roof 42 that covers the conveyor 4. Further, the trolley frame 9 is provided with a movable roof 43 that covers the transfer conveyor 25 and is slidable on the upper part of the fixed roof 42, and a movable floor 44 that is slidable on the lower part of the horizontal frame 1. There is. Furthermore,
An elevator house 45 that covers the elevator 6 is provided at the land side end of the horizontal frame 1, and the lower part of the elevator house 45 can be connected to ground equipment 47 by a receiving conveyor 46.

[For production]

Prior to the unloading operation, the winches 18, 19 let out the hoisting ropes 16, 17 to lower the preparation stand 15, and the winches 24 let out the hoisting rows 123 to lower the hatch ring 22. The hatch ring 22 descends while being guided and supported by the guide rail 2 via a guide roller unit 36 provided at the opening 31 forming part, and covers the hatch opening together with the campus 33 at the lower end of the hatch cover 22. The bellows-type telescopic cover 32 expands following the descent of the hatch ring 22 while being guided and supported by the guide rail 2 via a guide roller unit 38 provided on the frame 37, and extends between the opening 31 of the hatch ring 22 and the trolley frame. Together with the opening 12 of 9, an elevator passage is formed. On the other hand, even after the hatch ring 22 stops lowering, the preparation stand 15 is lowered and suspended from the hatch opening to the cargo handling floor in the ship.

During unloading work, the preparation table 15 is supported floating on the cargo handling floor, and the conveyor device 34 on the preparation table 15
Place the joint W with a forklift or the like. On the other hand, the winch 21 lets out the hoisting rope 20 to lower the elevator 3 through the elevator passage in the telescopic cover 32. The elevator 3 descends while being guided and supported by the guide rail 2 via the guide roller unit 40 and lands at a fixed position on the preparation table 15. After landing in elevator 3,
When the conveyor device 41 in the elevator and the conveyor device 34 on the preparation table 15 are driven, the joints W move into the elevator 3. After loading into the elevator 3, the conveyor device 34, 41 is stopped, the winch 21 unwinds the hoisting rope 20, and the elevator 3 is raised. The elevator 3 ascends while being guided and supported by the guide rail 2 via the guide roller unit 40 and stops at a fixed position on the trolley frame 9.

After the elevator 3 starts to ascend, the joint W is placed on the conveyor device 34 of the preparation stand 15 using a forklift or the like.

After the elevator 3 stops, the conveyor device 41 of the elevator 3 and the transfer conveyor 22 provided on the trolley frame 9
When driven, the joint W moves from inside the elevator 3 onto the transfer conveyor 22.

After loading onto the transfer conveyor, the conveyor device 41 is stopped,
The elevator 3 is lowered and the above-mentioned conveyance operation in the sea side vertical conveyance section (1) is repeated again.

During this vertical conveyance work, cover the hatch with the hatch ring 22,
In addition, the stretchable cover 32 covers the space between the trolley frame 9 and the hatch ring 22, and the hatch ring 22 and the stretchable cover 32 are connected to the respective guide roller units 36 and 38.
Since the hatch ring 22 and the telescoping cover 32 are fixed to the guide rail 2 so as to be movable up and down through the guide rail 2, the hatch ring 22 and the telescopic cover 32 do not sway regardless of wind and rain or the shaking of the cargo handling machine.
The telescoping cover 32 moves up and down following the vertical movement of the ship, and an elevator passage through which the elevator 3 ascends and descends is always secured within the telescoping cover 32. Therefore, unloading work can be carried out smoothly regardless of wind and rain. If you don't like W to get wet in the rain, you can continue working even if it rains during work. In addition, if the Node W is a frozen item and there is a risk of it thawing, the cold air flowing out from the ship's storage room may fill the elevator passage, but it will not escape to any other place, and the Node W will be air-filled. Since it is possible to prevent cold air from escaping from the inside of the ship and from escaping from the ship's storage room, etc., cargo handling work can be carried out while effectively preventing accidents such as thawing of joints, etc. in the sea-side vertical conveyance section V1. .

Further, as shown in FIG. 6, the frame 3 of the telescopic cover 32
7 is locked to the guide rail 2 so as to be movable up and down in both directions a and b, the bending moment of the frame 37 generated by wind pressure is reduced, and the weight of the frame 37 can be reduced accordingly. When the hatch ring 22 is raised, the frame 37 is placed on the hatch cover 22 from the bottom of the telescopic cover 32, and the frame loading amount is
increases with the rise in Also, when the hatch ring 22 is lowered,
The frame 37 of the telescopic cover 32 is removed from above the hatch ring 22, and the frame loading amount is
decreases as the value decreases. Therefore, the capacity of the winch 24 for raising and lowering the hatch ring 22 is determined according to the maximum amount of frames placed on the hatch cover 22, but since the weight of the frame 37 can be reduced as described above, the capacity of the winch 24 can be reduced. The hatch ring 22 can be raised and lowered smoothly without making it larger than necessary.

The horizontal frame 1 is covered by a fixed roof 42, and the trolley frame 9 provided at the tip of the horizontal frame 1 is provided with a movable roof 43 and a movable floor 44, so that regardless of the movement of the trolley frame 9, the horizontal frame l The opening except for the opening 10 is covered. Furthermore, the opening 10 is covered by a telescopic cover 32. Therefore, the joints, etc., W on the transfer core conveyor 22 are not exposed to wind and rain during the process of being transferred to the transfer conveyor 4 and being transported to the land side. Cargo handling work can be carried out while effectively preventing such problems.

Furthermore, the joints W transferred from the transport conveyor 4 are lowered by the elevator 6, and then transferred to the receiving conveyor 47, and transported by the conveyor 47 to the ground installation 0i67. Since the elevator 6 is covered by the elevator house 45 provided at the land side end,
Cargo handling work can be carried out while effectively preventing accidents such as thawing of W such as articulation in the land-side vertical conveyance section v2.

The loading operation is performed in reverse to the above operation.

[Effects of the Invention] As described above, the present invention provides a hatch ring and a bellows-type telescopic cover that form an elevator passage, and a rope-elevating elevator that ascends and descends inside thereof, at the tip of a horizontal frame equipped with a conveyor. At the same time, a hatch ring, a frame for the telescoping cover, and a guide rail for guiding and supporting the elevator ascent and descent are installed between the horizontal frame and the cargo handling floor below, so that the hatch ring and the telescoping cover are protected regardless of the shaking of the cargo handling machine. This prevents the elevator from shaking and ensures that there is always an elevator path for the elevator to go up and down without being exposed to the wind and rain.
Cargo handling operations can be carried out smoothly regardless of wind and rain. If you don't like getting wet in the rain, you can continue working even if it rains while you are working. In addition, if there is a risk of thawing due to frozen products, the inside of the elevator passage is filled with cold air flowing from the ship's storage room, etc., to prevent the product from being exposed to the air. It can also prevent cold air from escaping. Therefore, it is possible to carry out cargo handling work while effectively preventing accidents such as damage caused by falling joints, getting wet with rain, and thawing, and improving cargo handling efficiency.

[Brief explanation of the drawing]

Figure 1 is a front view showing one embodiment of the present invention, Figures 2 and 3 are
Figures 4 and 5 are cross-sectional views taken along lines A~, B~, C~, and D~ in Figure 1, and Figure 6 is an enlarged view of the main parts of Figures 4 and 5. , FIG. 7 is a perspective view showing the elevating mechanism of the preparation table, and FIG.
This figure is a perspective view showing a hatch ring elevating mechanism, and FIG. 9 is a perspective view showing an elevator elevating mechanism. 1... Horizontal frame, 2... Guide rail, 3... Elevator, 4... Transfer conveyor, 9. Old... Trolley frame, 11. ．． 12
・・・・・・Opening, 14・Old・Rail guide device, 1
5...Preparation stand, 16.17...Hoisting rope, 18.19...Winch for raising and lowering the preparation stand,
20... Hoisting rope, 21... Elevator lifting winch, 22... Hatch ring, 23
... Hoisting rope, 24 ... Winch for raising and lowering the hatch cover, 26 ... Sheave for raising and lowering the hatch cover, 27.28 ... Sheep for raising and lowering the preparation platform , 29.
30... Sheep for elevator elevation, 31...
... Opening, 32 ... Bellows type telescopic cover, 3
3... Campus, 36... Guide roller unit, 37... Frame, 38...
...Guide roller unit, 39...Sheep, 40...Guide roller unit. Figure Figure Figure Figure Two Figures

Claims (1)

[Claims] (1) In a cargo handling machine, a hatch cover is supported via separate hoisting ropes at the tip of a horizontal frame equipped with a conveyor, and a rope-lifting elevator that can be raised and lowered by passing through the hatch cover. a bellows having an elevator passage therein, a guide rail on which the elevator is guided on both sides is constructed between the horizontal frame and the cargo handling floor below the horizontal frame, and a bellows having an elevator passage inside the horizontal frame and the hatch cover. A cargo handling machine characterized in that the frame of the telescopic cover and the hatch cover are connected to the guide rail so as to be movable up and down.