JPS6339835B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cargo handling rationalization device for a contact freezer for ships, which is suitable for automatic cargo handling of frozen bread by a cargo handling machine.

Conventionally, this type of device for contact freezers has been disclosed in Japanese Patent Application No. 143459/1989, which was invented by the present applicant and one other person, but in this invention, the maximum gap between each flat tank was set constant, There is not enough clearance for inserting and removing the manipulator, etc., and there are disadvantages in that it is unsuitable for changing the height of the frozen bread and for loading and unloading the frozen bread by a cargo handling machine. In addition, in the invention, it is possible to extend the maximum gap between the flat tanks by setting the bolts connecting each flat tank to be longer and further raising the girder using the power cylinder, The wire rope or chain to which the Since the balance pulley or chain wheel simply has the function of balancing the flat tank in the front-rear direction, it does not act like a movable pulley. This is the amount of rise of the weight at the lower end, and even if the nut of the weight position adjustment device is adjusted, the amount of rise is greater, and as the maximum gap between the flat tanks increases, the girder cannot be raised any further by the power cylinder. However, it was not possible to increase the maximum gap between flat tanks. Incidentally, a device such as that described in Japanese Patent Publication No. 48-21983 will also be disclosed, but this device requires extra space for loading and unloading the frozen bread, the height of the lifting platform, etc. As a contact freezer for a small ship, there is a serious drawback in that the throughput is significantly reduced.

However, in the present invention, since the maximum gap between each flat tank is adjustable, it is possible to set in advance the gap at which the manipulator of the cargo handling machine can be inserted and removed, and the height at which the frozen pan can be inserted and removed. One end is fixed to both sides of the girder, and a chain wheel at the tip of a hanging rod with a weight attached to the lower end is suspended like a moving pulley in the middle of the chain, and the other end of the chain is fixed to both sides of the girder. Since the weight is fixed on both sides of the intermediate stage flat tank, the chain wheel at the end of the hanging rod will only rise by half of the lift of the girder by the power cylinder, so the amount of weight rise can be adjusted by adjusting the nut of the weight position adjustment device. The girder can be raised further by the power cylinder and can follow the increase in the maximum gap between the flat tanks in any way within the adjustable range of the nut.

Reference will now be made in detail to the accompanying drawings, which illustrate one example of carrying out the invention.

1 is a known contact freezer for ships, etc., in which a large number of similar front and rear walls 3, 4, etc. are installed in parallel between a second deck 2 having a heat-insulating structure and an upper deck 2a, etc. Reference numeral 5 denotes a known flat tank installed in multiple stages in the contact freezer 1. In this embodiment, 13 flat tanks are used, making the number of effective stages 12. 6, 6 are hanging fittings attached to both sides of each flat tank 5.
Bolt holes 6a, 6a are formed in the base, respectively, to overlap with a plurality of well-known bolt holes 5a, 5a formed in the front and back on both sides, and the bolt holes 5a, 5a, 6
a, 6a are fixed with bolts and nuts 6b, 6b, and the tips of the hanging fittings 6, 6 are formed into a concave shape as shown in FIG. Numerals 6c and 6c are bolt holes, and a plurality of bolt holes are drilled from the bolt holes 6a, 6a in the middle part of the hanging fittings 6, 6 in the same way as the bolt holes 6a, 6a, so that the vertically adjacent hanging fittings 6, 6 are connected to each other. The bolts 7, 7 are inserted alternately into the bolt holes 6c, 6c, and the nuts 8, 8 are used to adjust the maximum gap between each flat tank 5 when various types of frozen pans 9 are carried in.
The height that can be taken out and the manipulator of the cargo handling machine (not shown) between the frozen pan 9 and each flat tank 5
The flat tank 5 can be freely adjusted so as to be the sum of the height that can be inserted and removed, and the gap between the flat tanks 5 can be expanded and contracted. Reference numeral 10 denotes a known girder, which has H-shaped steels 10a, 10a arranged in two rows in front and back.
is fixed with mounting members 10b, 10b at the lower part of both ends, and a spacer 1 is attached at the center of the lower surface.
1, and the tips of the power cylinders 14a, 14a of the power cylinders 14, 14 with mounting stands 13, 13 attached to the mounts 12 laid on the second deck 2 for each contact freezer 1. The storage members 10b, 10
b fixed to the lower surface, and the piston rods 14a, 14
Each flush tank 5 is raised and lowered by raising and lowering the power cylinders 14 and 14. A spacer 15 is fixed below the flat tank 5c at the bottom of the pedestal 12 to prevent the flat tank 5c from coming into direct contact with the pedestal. 16, 16, 16, 16
The guide columns are made of channel steel and are installed between the upper deck 2a and the pedestal 12 on both sides of the girder 10.As shown in FIG.
Rollers 17, 17, 17, 17 rotatably supported on the front and rear ends of the hanging fittings 6, 6 are attached to the left and right opposing surfaces of the guide columns 16, 16, 16, 16. , 18, 18 to prevent horizontal swinging when each flat tank 5 moves up and down.
The opposing front and rear ends of the hanging fittings 6 and 18 are brought into contact with the notches 6d and 6d at the front and rear ends of the hanging fittings 6 and 6, respectively, to prevent swinging in the front and rear direction during the vertical movement. Reference numerals 19 and 19 denote weight guides made of channel steel or the like with open sides facing each other, and a mount 12 is installed at the center in the front and back direction between the power cylinders 14 and the hanging fittings 6 of each flat tank 5.
The bottom portions 19a, 19a are fixed to the bottom portions 19a, and upper lids 20, 20 are attached to the upper ends thereof. 21,2
1 is a weight which is inserted into weight guides 19, 19, respectively, and slides up and down. 22, 22 are hanging rods, and the weights 21 and 22 are inserted into the weight guides 19, 19,
A through hole is bored in the vertical direction of the weight guide 21, the lower end is fixed with a weight position adjustment device such as a nut 23, 23, and the upper end is inserted into the upper cover 2 of the weight guide 19, 19.
It protrudes and extends from the through holes drilled at 0 and 20. 24, 24 are chain wheels with hanging rods 22, 24, respectively.
The shaft 25 is attached to frames 25, 25 fixed to the extended ends of 22.
The H-beam 10 of the girder 10 above the chain wheels 24 and 24 is rotatably supported by a and 25a, respectively.
It has the same width as suspension wheels 26, 26 which are rotatably supported by shafts 26a, 26a on both sides of opposing surfaces 10c, 10c of a, 10a. 2
Reference numerals 7 and 27 designate chains, which have protrusions 28 and 28 formed on the lower surfaces of both sides of the H-shaped ropes 10a and 10a of the girder 10, respectively, to face each other as shown in FIG. 4, and one end of which is fixed. The chain wheels 24, 24 at the ends of the rods 22, 22 are suspended like moving pulleys, and the other ends are passed through the suspension wheels 26, 26 on both sides of the girder 10 to hang the hanging metal fittings 6, 24 of the intermediate stage flat tank 5d.
As shown in FIG. 5, when the girder 10 is raised by the power cylinders 14 (left half in FIG. 1), the chain wheel 24, 24 Bottom weight 2
1 and 21 are upper lids 20 and 20 of the weight guides 19 and 19
, making it impossible for the weights 21, 21 to rise any further, and the intermediate stage flat tanks 5d and higher flat tanks 5A reduce the mutual gap between the bolt heads of the bolts 7, 7 and the nuts 8, 8. The intermediate stage flat tank 5d is lifted so that the gap is shortened to the minimum gap regulated by the bolt length including opening 3 provided in
0) and lower the flat tank 5.
When the frozen pan 9 is carried in by the cargo handling machine and the girder 10 is lowered by the power cylinders 14, 14 (right half of Fig. 1), the mutual gap between the lower flat tanks 5B is regulated by the height of the frozen pan 9. the upper flat tank 5A is located in the middle of the contact freezer 1 similar to the above,
When frozen, the frozen pan 9 is carried into the upper flat tank 5A in the same manner as described above, and the power cylinder 14,
14 to further lower the girder 10 (third
), the mutual gap between all flat tanks 5 is made equal to the height of the freezing pan 9, and the hanging rods 22, 22
The lengths of the chains 27, 27 are set so that the weights 21, 21 descend until the lower ends of the chains 21, 21 come into contact with the frame 12.

The present invention has the above-mentioned configuration, and when using this, the maximum distance between each flat tank must be adjusted in advance to a height that allows the freezing pan 9 and the manipulator of the cargo handling machine to be inserted and removed in accordance with the height of the frozen pan. The gap is set by adjusting the nuts 8, 8 fitted to the bolts 7, 7 inserted into the bolt holes 6c, 6c of the hanging fittings 6, 6. Next, when the girder 10 is raised by the power cylinders 14, 14, the chain wheels 24, 2
4 is connected to the chain 27, 27 to determine the weight difference between the flat tank 5 and the weight 21 (flat tank 5 > weight 2).
1) lifts up the inside of the weight guides 19, 19,
The weights 21, 21 are the upper lids 20 of the weight guides 19, 19,
20 and is prevented from rising further, and when the girder 10 is further raised by the power cylinders 14, 14, the intermediate stage flat tank 5d is lifted by the chains 27, 27 via the suspension wheels 26, 26, When girder 10 reaches the highest position (left half of Figure 1). The flat tank 5
The flat tank 5A above d has its mutual gap shortened to the shortest as described above, and the flat tank 5A
The lower flat tank 5B below b has the maximum mutual gap adjusted by the bolts 7, 7 and nuts 8, 8, and is located at an intermediate position of the contact freezer 1 (opening 3 in the intermediate part of the front wall 3 shown in FIG. 3).
0), use a cargo handling machine to transport the frozen bread into the flat tank 5B using a manipulator, etc., and place the frozen bread in the power cylinder 1.
When the girder 10 is lowered by steps 4 and 14,
The mutual gap between the lower flat tanks 5B is equal to the height of the freezing pan 9 due to the weight of the freezing pan 9, and the mutual gap between the upper flat tanks 5A is expanded to the maximum gap due to the weight difference between the weight 21 and each flat tank 5, and A similar contact freezer 1 is set at an intermediate position, and the freezing pan 9 is carried into the upper flat tank 5A (half in Fig. 1) in the same manner as described above, and when freezing, the girder 10 is moved to the lowest position by the power cylinders 14, 14 as shown in Fig. 3. The chains 27, 27 are lowered so that the mutual gap between all the flat tanks 5 is equal to the height of the freezing pan 9, and the weights 21, 21 are lowered until the lower ends of the hanging rods 22, 22 abut on the frame 12. This is to set the length.

The present invention has the above-described configuration, and when using the same, the maximum gap between each flat tank 5 is placed in a gap where the freezing pan 9 and the manipulator of the cargo handling machine can be inserted and removed according to the height of the freezing pan 9. The length between the bolt holes 6c, 6c of the hanging fittings 6, 6 and the bolt head of the bolts 7, 7 is determined by the length between the nuts 8, 8.
If the girder 10 is raised by the power cylinders 14, 14, the mutual gap between the lower and upper flat tanks 5B, 5A can be adjusted in advance by using a manipulator or the like of a cargo handling machine. The gap is suitable for the chain wheels 24, 2 at the tips of the hanging rods 22, 22.
4 is suspended from the chains 27, 27 like a movable pulley, the lift of the chain wheels 24, 24, that is, the weights 21, 21, is half of the rise of the girder 10, and therefore the change in the height of the freezing pan 9. In order to provide a gap corresponding to the gap between the flat tanks 5 and a gap for inserting and removing the manipulator of the cargo handling machine, etc. between the flat tanks 5, it is sufficient to adjust the nuts 23, 23 of the weight position adjustment device. The gap setting can be changed in any way within the adjustable range of the weight position adjustment device, and it can easily respond to changes in the height of the frozen pan 9 and the introduction of cargo handling machines, and the effect on streamlining cargo handling is There are some notable ones.

[Brief explanation of drawings]

The attached drawings show an example of the implementation of the present invention, and FIG. 1 shows a girder on the left half raised to a height for carrying frozen bread into and out of a flat tank below.
A partial cross-sectional front view of the right half girder lowered to the height at which frozen bread is carried in and out of the flat tank above, Figure 2 is a cross-sectional view taken along line A-A in Figure 1, and Figure 3 is the girder. Figure 4 is an enlarged side view of the main part with a partial cross section showing the fixed state of the girder chain, and Figure 5 is a side view of the main part of the frozen pan when it has been lowered to the frozen state. FIG. 6 is an enlarged partially cross-sectional front view of the main parts showing a state in which the chain is fixed to the hanging fitting of the flat tank in the tier, and FIG. 6 is a plan view of the hanging fitting. 1...Contact freezer, 2...Second deck, 2a...Upper deck, 3...Front wall, 4...Rear wall,
5...Flat tank, 5a...Bolt hole, 5b
...Top tier flat tank, 5c...Lower tier flat tank, 5d...Middle tier flat tank, 5A...Upper flat tank, 5B...Lower flat tank, 6...Hanging metal fittings, 6a...
Bolt hole, 6b... Bolt/nut, 6c... Bolt hole, 6d... Notch, 7... Bolt, 8...
Natsutto, 9...Frozen bread, 10...Girder, 1
0a...H-type rope, 10b...Mounting member, 10c...
... Surface, 11 ... Spacer, 12 ... Frame, 13
...Mounting stand, 14...Power cylinder, 14a
... Piston rod, 15 ... Spacer, 16
... Guide column, 17 ... Roller, 18 ... Sliding plate, 19 ... Weight guide, 19a ... Bottom, 20
... Upper lid, 21 ... Weight, 22 ... Hanging rod, 23 ...
...Natsuto, 24...Chain wheel, 25...Frame, 25a...
...Axle, 26...Sling wheel, 26a...Axle, 27...
...Chain, 28, 29...Protrusion, 30...Opening.

Claims (1)

[Claims] 1. In a contact freezer equipped with multiple flat tanks, a guide is provided on both sides of the flat tank in which a weight is inserted so as to be able to move up and down, a hanging rod is provided with the base end fixed to the weight, and the tip of the hanging rod is attached to the top cover of the weight guide. A chain wheel is rotatably installed at the tip of a hanging rod, a chain wheel is rotatably supported on both sides of the girder, and a chain with one end fixed on each side of the girder is installed. The chain wheel at the tip of the hanging rod is suspended from the chain, the other end of each chain is passed through the chain wheel and fixed to both sides of the intermediate stage flat tank, and each flat tank is secured with bolts.
When the mutual maximum gap can be freely adjusted and the mutual gap can be expanded and contracted using nuts, etc., and both sides of the girder are raised by a power cylinder, first, as the girder rises, the sling wheel rises, and the chain The chain wheel at the tip of the hanging rod is pulled up, the chain wheel lifts the weight at the base end, the weight contacts the top cover of the weight guide and is prevented from rising further, and then the intermediate stage flat tank is pulled up. The gap between the flat tanks above the intermediate stage and above is reduced to the shortest possible length, and the gap between the flat tanks below the intermediate stage is determined in advance using the bolts and nuts, etc., and the height of the frozen pan and the manipulator of the automatic cargo handling machine are inserted and removed. When the lower flat tank is set at the middle position of the contact freezer, frozen bread is carried in between the lower flat tanks by a cargo handling machine, etc., and the girder is lowered by a power cylinder. The lower flat tank is lowered to make the mutual gap equal to the height of the freezing pan, the upper flat tank is made the maximum gap determined by the bolts and nuts, etc., and the position of the upper flat tank is the same as that of the same contact freezer as above. A cargo handling rationalization device for a contact freezer for ships, characterized in that the device is set to an intermediate position.