JP2004359171A - Holder pulley - Google Patents

Abstract

An object of the present invention is to make it possible to easily install a locking metal fitting or the like at a high position in a hold of a ship without using a large-sized machine or tool.
A hold pulley (3), which can be lifted and lowered using a reinforcing member (2) as a guide rail, is detachably attached to a reinforcing member (2) having a T-shaped cross section or an L-shaped cross section provided on an inner wall of the hold (1). In a state where the hold pulley 3 is at the lower end position of the reinforcing member 2, a lock metal such as a rope 7 or a shackle of the hold sheet 6 is locked to the hold pulley 3. Thereafter, the worker on the hatch pulls the lifting cord 5 to move the hold pulley 3 to the upper end position of the reinforcing member 2, and fixes the lifting cord 5 to the hatch combing 4 in this state.
[Selection diagram] Fig. 1

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pulley for a hold to be used by being attached to a reinforcing material arranged in a longitudinal direction on an inner wall of the hold, and is particularly suitable for use when attaching a sheet or a rope at a high position in the hold. Related to pulleys for cargo holds.
[0002]
[Prior art]
Conventionally, when loading bulk cargo in the hold, it is customary to load the bulk cargo as it is, but in this case, it is necessary to clean the inside of the hold after loading the bulk cargo. Work is not easy.
[0003]
Therefore, it has been studied to install a hold sheet in the hold, and to cover the left and right side wall surfaces and the wall surfaces on both sides in the bow and tail direction with the hold sheet.
[0004]
[Problems to be solved by the invention]
By the way, when the hold sheet is installed in the hold, it is necessary to install a metal fitting for locking the hold sheet at a high position in the hold afterwards. Since only part of the cargo, such as cement, is required, it is not always advisable to attach a lock, etc. to the hold of all existing ships in advance. If this is done, these will form irregularities on the wall surface of the hold, and there is a problem that the scattered cargo stowed without using the hold sheet tends to adhere to these irregularities.
[0005]
In addition, if a latch is attached in advance, it is necessary to use a lifting trolley, a long ladder, or the like when the cord of the hold sheet is locked to the latch, and if the work is not easy. There is also a problem.
[0006]
SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and provides a hold pulley that can easily install a locking fitting or the like at a high position in a hold without using a large-sized machine or tool. The purpose is to:
[0007]
It is another object of the present invention to provide a pulley for a hold that enables the case body to be smoothly moved up and down with a small force when the case body is moved up and down along a reinforcing material.
[0008]
Another object of the present invention is to prevent the rolling elements provided in the case main body from being damaged even when a large external force is applied to the case main body, and even when the rolling elements are damaged. Another object of the present invention is to provide a pulley for a hold that can prevent a problem that the case body is extremely lowered when the case body is moved up and down along a reinforcing material.
[0009]
Another object of the present invention is a pulley for a hold, which has a split structure of a case body detachably attached to a reinforcing member having a T-shaped cross section, and which makes it easy to attach and detach the case body to the reinforcing member. To provide.
[0010]
Another object of the present invention is to provide a pulley for a hold that can reduce the number of divisions of a case body detachably attached to a reinforcing member having a T-shaped cross section as much as possible, and can further simplify the attaching and detaching work. To offer.
[0011]
Another object of the present invention is to provide a hold capable of simplifying the structure of a case body detachably attached to a reinforcing member having a T-shaped cross section when a pulley for the hold is not so heavily loaded, thereby achieving weight reduction. For providing pulleys.
[0012]
Another object of the present invention is to provide a pulley for a hold that can easily attach / detach the case body to / from the reinforcing member by forming the case body detachably attached to the reinforcing member having an L-shaped cross-section. To provide.
[0013]
Still another object of the present invention is to reduce the weight by simplifying the structure of a case main body detachably attached to a reinforcing member having an L-shaped cross section when a heavy load is not applied to a hold pulley. To provide a hold sheave.
[0014]
[Means for Solving the Problems]
In order to achieve the object, the present invention provides a pulley for a hold, which is detachably mounted on a reinforcing member having a cross-sectional shape of T or L, which is vertically disposed on an inner wall of the hold, and which moves up and down using the reinforcing material as a guide rail. And a case body detachably attached to the reinforcing member in a state surrounding the distal end portion of the reinforcing member; a surface of the reinforcing member provided on the case body, when the case body moves up and down along the reinforcing member. A locking member provided on the case main body and for locking various kinds of ropes, shackles, and the like used in the ship hold; and a locking member provided on the case main body and lining the case main body with the reinforcing material. And a connection fitting to which a lifting and lowering cord for moving up and down is connected. And, by this, only the operator on the hatch operates the lifting cord, the case body moves up and down along the reinforcement, and if various ropes and metal fittings are previously locked to the locking metal, these Also goes up and down along with the case body along the reinforcing material. For this reason, it becomes possible to easily install the locking metal fittings and the like at a high position in the boat hold without using a large-sized machine or tool. In addition, since the case body is detachable from the reinforcing member, it can be detached and applied to other ships when unnecessary.
[0015]
The present invention is also characterized in that the locking metal fitting and the connecting metal fitting are also used. Thus, when the number of various ropes and metal fittings to be locked is small, the structure can be simplified, and the size and weight can be reduced.
[0016]
The present invention is also characterized in that the contact member is formed of a sliding body that slides on the reinforcing member when the case body moves up and down along the reinforcing member. As a result, the inner surface of the case body does not directly contact the reinforcing member, and the resistance at the time of elevating can be reduced.
[0017]
The present invention is also characterized in that the contact member is formed of a rolling element that rolls on the reinforcing member when the case body moves up and down along the reinforcing member. As a result, it is possible to reduce the resistance of the case body at the time of lifting and lowering, and to obtain a smooth lifting operation.
[0018]
The present invention is also characterized in that an auxiliary sliding body that comes into contact with the reinforcing member when the case body is inclined with respect to the reinforcing member is provided near the rolling element. Thus, even if a large external force is applied to the case body, it is possible to prevent the rolling elements provided on the case body from being damaged, and even if the rolling elements are damaged, the case body It is possible to prevent a problem that the movement is extremely deteriorated when moving up and down along the reinforcing material.
[0019]
The present invention also provides a case body having a front case portion corresponding to the front surface of a front end flange of a reinforcing member having a T-shaped cross section; provided on both sides of the front case portion to correspond to the back surface of the front end flange and one side surface of the web. A pair of side case portions; and the front case portion and each side case portion are detachably or removably connected to each other. This makes it easy to attach and detach the case body attached to the reinforcing member having the T-shaped cross section.
[0020]
The present invention also includes a main body portion corresponding to a front surface of a front end flange of a reinforcing member having a T-shaped cross section, one back surface of the front end flange, and one side surface of a web continuous with the back surface; And a sub-case portion corresponding to the other side surface of the web continuous with the other back surface, and the two case portions are detachably or removably connected to each other. As a result, the number of divisions of the case body detachably attached to the reinforcing member having the T-shaped cross section can be reduced as much as possible, and the attaching / detaching operation can be further simplified.
[0021]
The present invention also provides a case body comprising: a main case portion corresponding to a front surface of a front end flange of a reinforcing member having a T-shaped cross section; and a back case portion corresponding to the other back surface of the front end flange. And the two case portions are detachably or removably connected to each other. This makes it possible to simplify the structure of the case body detachably mounted on the reinforcing member having the T-shaped cross section when the pulley for the hold is not so heavily loaded, thereby achieving weight reduction.
[0022]
The present invention also provides a case body comprising: a front surface of a front end flange of a reinforcing member having an L-shaped cross section; and an outer case portion corresponding to one side surface of a web continuous with the front surface; a rear surface of the front end flange; And an inner case portion corresponding to the other side surface of the web. The two case portions are detachably or removably connected to each other. This makes it possible to easily attach and detach the case body detachably attached to the reinforcing member having the L-shaped cross section.
[0023]
The present invention further provides a case body comprising: a front surface of a front end flange of a reinforcing member having an L-shaped cross section; and an outer case portion corresponding to one side surface of a web continuous with the front surface; And the two case portions are detachably or removably connected to each other. This makes it possible to simplify the structure of the case main body detachably attached to the reinforcing member having the L-shaped cross section when the pulley for the hold is not subjected to a very large load, thereby achieving weight reduction.
[0024]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described with reference to the drawings.
FIG. 1 shows a hold sheave according to a first embodiment of the present invention. In the drawing, reference numeral 1 denotes a hold. A plurality of longitudinal reinforcing members 2 are provided at predetermined intervals. The hold pulley 3 according to the present invention is configured to be detachably attached to the reinforcing member 2, and the hold pulley 3 attached to the reinforcing member 2 is pulled out from the hatch combing 4 onto the deck. By pulling the lift cord 5 on the hatch, the reinforcing member 2 is moved up and down from the lower end position to the upper end position of the reinforcing member 2 as a guide rail.
[0025]
As shown in FIG. 1, when the sheave 3 is attached to the reinforcing material 2 at the lower end position of the reinforcing material 2, for example, the hold sheave 3 is stretched in the hold 1. The rope 7 and the like are to be locked. In this state, by pulling up the hold pulley 3 to the upper end position of the reinforcing member 2, the rope 7 can also be pulled up to the upper end position of the reinforcing member 2. It has become.
[0026]
As shown in FIGS. 2 and 3, the hold sheave 3 includes a case body 8 which is detachably attached to the reinforcing member 2 in a state surrounding the distal end portion of the reinforcing member 2 having a T-shaped cross section. The case body 8 is disposed on both sides of the front case portion 9 corresponding to the front surface of the front end flange of the reinforcing member 2, and corresponds to the rear surface of the front end flange of the reinforcing member 2 and one side surface of the web. It is composed of a pair of side case parts 10. The front case portion 9 and the side case portions 10 have an integrated structure in which their overlapping portions are connected by screws 11 and are detachable.
[0027]
As shown in FIGS. 2 and 3, each of the case portions 9 and 10 has a rolling roller 12 and a rolling roller 12 that roll on the reinforcing member 2 when the case body 8 moves up and down along the reinforcing member 2. A cover 13 is provided to cover the outer surface of the case 12, and the case body 8 is tilted with respect to the reinforcing material 2 on both sides of the case parts 9 and 10 via the rolling rollers 12. Auxiliary sliding members 14 that contact the reinforcing members 2 are provided.
[0028]
Each of these auxiliary sliding members 14 is formed using a material having a small contact resistance with the reinforcing member 2 such as a copper alloy, an aluminum alloy, or kelmet, for example. Even when the auxiliary sliding member 14 comes into contact with the reinforcing member 2, the rolling roller is not overwhelmed by the overload. 12 can be prevented from being damaged.
[0029]
As shown in FIGS. 2 and 3, the front case 9 has an upper eye 15 and a lower eye 16 on the front side, and a hanging eye 17 on the upper side. The upper eye 15 and the lower eye 16 are adapted to lock metal fittings (not shown) such as a rope 7 and a shackle of the hold sheet 6 shown in FIG. The ends of the elevating cord body 5 shown in FIG. 1 are connected.
[0030]
Next, the operation of the present embodiment will be described.
At the time of use, first, at least one of the pair of side case portions 10 is separated from the front case portion 9 by loosening the screw 11, and then attached to the reinforcing member 2 and reconnected in this state. Thereby, as shown in FIG. 2, the case body 8 is attached to the reinforcing member 2 in a state of surrounding the distal end portion of the reinforcing member 2.
[0031]
This attachment is performed at the lower end position of the reinforcing member 2 shown in FIG. 1. In this state, the rope 7 of the hold sheet 6 is locked to the upper eye 15 or the lower eye 16 and a fitting such as a shackle (not shown) is also attached to the upper part. The eye 15 or the lower eye 16 is locked. In addition, the lower end of the elevating cord body 5 hanging down from the hatch is connected to the hanging eye 17.
[0032]
Next, the elevating cord body 5 is pulled from above the hatch. Then, since the hold pulley 3 slides using the reinforcing material 2 as a guide rail, for example, after raising the hold pulley 3 to the upper end position of the reinforcing material 2, the lifting cord 5 is fixed to the hatch coaming 4 or the like. I do. As a result, the sheave pulley 3 is fixed to the upper end position of the reinforcing member 2.
[0033]
In this fixed state, as shown in FIG. 1, since a metal fitting such as a rope 7 of a hold sheet 6 or a shackle (not shown) is locked to the hold pulley 3, a large-sized machine or tool is used. Therefore, there is no need to lock the rope 7 of the hold sheet 6 to the hold pulley 3 at a high position.
[0034]
When the hold pulley 3 is attached to the lower end of the reinforcing member 2, a short ladder or the like may be used, but other operations can be performed only by human power. Locking fittings and the like can be easily installed at the position, and removal thereof is also easy.
[0035]
In the first embodiment, the case where both the rolling roller 12 and the auxiliary sliding member 14 are provided in the case body 8 has been described, but only one of them may be provided. Further, the structure may be simplified by using the upper eye 15 and the hanging eye 17 together.
[0036]
FIG. 4 shows a second embodiment of the present invention, in which a case body 18 is used in place of the case body 8 in the first embodiment.
[0037]
That is, as shown in FIG. 4, the case main body 18 has a main case corresponding to the front surface of the front end flange of the reinforcing member 2 having a T-shaped cross section, one back surface of the front end flange, and one side surface of the web continuous to this back surface. And a sub-case portion 20 corresponding to the other back surface of the front end flange and the other side surface of the web continuous with the back surface. The sub-case portion 20 is connected to the main case via a hinge 21. It can be opened and closed with respect to the part 19 and can be fixed to the main case part 19 via screws 22.
In other respects, the configuration is the same as that of the first embodiment, and the operation is the same.
[0038]
Since the main case 19 and the sub case 20 are always connected to each other, the case main body 18 can be easily attached to and removed from the reinforcing agent 2 of the case main body 18.
[0039]
FIG. 5 shows a modified example of the case main body 18, in which a groove-like or cylindrical fitting part 31 is used instead of the hinge 21 in the second embodiment.
[0040]
That is, as shown in FIG. 5, a fitting portion 31 is provided at an end of the main case portion 19, and after the sub-case portion 20 has its end fitted to this fitting portion, By fixing with the screw 22, the main case 19 is connected and fixed.
In other respects, the configuration is the same as that of the second embodiment, and the operation is the same.
[0041]
Thus, since the two case portions 19 and 20 are connected and fixed in the fitted state, the connection strength can be improved. If only the auxiliary sliding member 14 (see FIG. 2) is used, as shown in FIG. 6, the fitting portion 31 is provided on the front side of the main case portion 19 so that a long fitting size can be obtained. Thus, the connection strength can be further improved.
[0042]
FIG. 7 shows a third embodiment of the present invention, in which a case body 48 is used in place of the case body 8 in the first embodiment.
[0043]
That is, as shown in FIG. 7, the case main body 48 includes a main case portion 49 corresponding to the front surface of the front end flange of the reinforcing member 2 having a T-shaped cross section and one back surface of the front end flange, and the other end of the front end flange. The sub case 50 is configured to be openable and closable with respect to the main case 49 via a hinge 51, and the main case 49 via a screw 52. It can be fixed against.
In other respects, the configuration is the same as that of the first embodiment, and the operation is the same.
[0044]
Since the case body 48 is attached to the reinforcing member 2 while surrounding only the front end flange of the reinforcing member 2, when a large external force is applied, it is not always preferable, but only a small external force is applied. In this case, the structure can be simplified, and the size and weight can be reduced.
[0045]
FIG. 8 shows a modification of the case body 48, in which a groove-shaped or cylindrical fitting portion 61 is used instead of the hinge 51 in the third embodiment.
[0046]
That is, a fitting portion 61 is provided at an end of the main case portion 49 as shown in FIG. 8, and after the sub-case portion 50 has its end fitted to the fitting portion 61, By fixing with the screw 52, the main case 49 is connected and fixed.
In other respects, the configuration is the same as that of the third embodiment, and the operation is the same.
[0047]
Since the case portions 49 and 50 are connected and fixed in a fitted state, the connection strength between the case portions 49 and 50 can be improved even with a simple structure. This connection strength can be further improved by arranging the fitting portions 61 as shown in FIG.
[0048]
9 and 10 show a fourth embodiment of the present invention, in which a hold is applied to a reinforcing member 2 having an L-shaped cross section instead of the hold pulley 3 according to the first embodiment. A pulley 73 is used.
[0049]
That is, as shown in FIGS. 9 and 10, the hold pulley 73 includes a case body 78 that is detachably attached to the reinforcing member 2 in a state surrounding the distal end portion of the reinforcing member 2 having an L-shaped cross section. The case body 78 includes a front flange front surface of the reinforcing member 2 and an outer case portion 79 corresponding to one side surface of the web continuous to the front surface, a rear surface of the front flange, and a web continuous to the rear surface. And an inner case portion 80 corresponding to the other side surface. The case portions 79 and 80 have an integrated structure in which the overlapping portions are connected by screws 81 to be detachable.
[0050]
As shown in FIGS. 9 and 10, each of the case portions 79 and 80 has a rolling roller 82 and a rolling roller that roll on the reinforcing member 2 when the case body 78 moves up and down along the reinforcing member 2. A cover 83 is provided to cover the outer surface of the case 82. Rollers 82 on the inner surfaces of the case portions 79, 80 are provided on both sides thereof when the case body 78 is inclined with respect to the reinforcing member 2. Auxiliary sliding members 84 that contact the reinforcing member 2 are provided.
[0051]
Each of the auxiliary sliding members 84 is formed of a material having a small contact resistance with the reinforcing member 2 such as a copper alloy, an aluminum alloy, or kelmet, for example. The auxiliary sliding body 84 contacts the reinforcing member 2 so that the rolling roller is not overwhelmed by the overload. 82 can be prevented from being damaged.
[0052]
As shown in FIGS. 9 and 10, the outer case 79 has an upper eye 85 and a lower eye 86 on the front side, and a hanging eye 87 on the upper side. A metal fitting (not shown) such as a rope or a shackle of the hold sheet 6 shown in FIG. 1 is locked to the upper eye 85 and the lower eye 86. The ends of the lifting / lowering cords 5 shown in FIG. 1 are connected to each other.
In other respects, the configuration is the same as that of the first embodiment, and the operation is the same.
[0053]
Thus, by using the hold pulley 73, it can be applied to the reinforcing member 2 having an L-shaped cross section, and the same effect as that of the reinforcing member 2 having a T-shaped cross section can be obtained.
[0054]
FIG. 11 shows a fifth embodiment of the present invention, in which a case body 98 is used instead of the case body 78 in the fourth embodiment.
[0055]
That is, as shown in FIG. 11, the case main body 98 includes a front surface of a front end flange of the reinforcing member 2 having an L-shaped cross section, an outer case portion 99 corresponding to one side surface of a web continuous with the front surface, and the front end flange. , And an inner case 100 corresponding to the other side of the web continuous with the back. The inner case 100 can be opened and closed with respect to the outer case 99 via a hinge 101. And can be fixed to the outer case portion 99 via the screw 102.
In other respects, the configuration is the same as that of the fourth embodiment, and the operation is the same.
[0056]
Since the case body 98 is connected to the case parts 99 and 100 so as to be openable and closable, it is easy to attach and detach the case body 98 to and from the reinforcing member 2.
[0057]
FIG. 12 shows a modified example of the case main body 98, in which a groove-shaped or cylindrical fitting portion 111 is used instead of the hinge 101 in the fifth embodiment.
[0058]
That is, a fitting portion 111 is provided at an end of the outer case portion 99 as shown in FIG. 12, and after the inner case portion 100 has its end fitted to the fitting portion 111, By fixing with the screw 102, it is connected and fixed to the outer case part 99.
In other respects, the configuration is the same as that of the fifth embodiment, and the operation is the same.
[0059]
Thus, since the two case portions 99 and 100 are connected and fixed in the fitted state, the connection strength can be improved. If only the auxiliary sliding body 14 (see FIG. 2) is used, the fitting portion 111 is provided on the front side of the outer case portion 99 as shown in FIG. Thus, the connection strength can be further improved.
[0060]
FIG. 14 shows a sixth embodiment of the present invention, in which a case body 128 is used in place of the case body 78 in the fourth embodiment.
[0061]
That is, as shown in FIG. 14, the case body 128 includes a front surface of a front end flange of the reinforcing member 2 having an L-shaped cross section, an outer case portion 129 corresponding to one side surface of a web continuous with the front surface, and the front end flange. And the inner case portion 130 corresponding to the back surface of the outer case portion 129. These two case portions 129, 130 connect the end of the inner case portion 130 to the fitting portion 131 provided at the end of the outer case portion 129. After fitting, it is fixed with screws 132 so that it is firmly connected and fixed.
In other respects, the configuration is the same as that of the fourth embodiment, and the operation is the same.
[0062]
However, in the case main body 128 in the present embodiment, since the inner case portion 130 does not correspond to the web of the reinforcing member 2, when a large external force is applied, it is not always preferable, but only a small external force is applied. In this case, the structure can be simplified, and the size and weight can be reduced.
[0063]
Although not particularly described in the sixth embodiment, in the case of the case main body 128, as shown in FIG. As shown in (1), it is possible to connect the two case parts 129 and 130 so that they can be opened and closed via a hinge.
[0064]
【The invention's effect】
As described above, the present invention relates to a hold pulley which is detachably attached to a reinforcing member having a cross-sectional shape of T or L which is vertically disposed on the inner wall of the hold, and which moves up and down using the reinforcing member as a guide rail. A case body detachably attached to the reinforcing member in a state surrounding the distal end portion of the reinforcing member; provided on the case body and provided on the surface of the reinforcing member when the case body moves up and down along the reinforcing member. A contact member to be brought into contact with; a locking member provided on the case main body, for locking various kinds of ropes, shackles, and the like used in the ship hold; and a locking member provided on the case main body and extending the case main body along the reinforcing member. And a connection fitting to which the elevating cord is connected for elevating, so that only the operator on the hatch operates the elevating cord, and the case body moves up and down along the reinforcing material. Beforehand, and If engaged various ropes and fittings, will lift along the reinforcing member together with these cases body. For this reason, it is possible to easily install the locking fitting or the like at a high position in the hold by using human power without using a large-sized machine or tool. In addition, since the case body is detachable from the reinforcing member, it can be detached and applied to other ships when unnecessary.
[0065]
In the present invention, the locking fitting and the connecting fitting are also used. Therefore, if the number of locking various ropes and fittings is small, the structure can be simplified to reduce the size and weight. Can be planned.
[0066]
According to the present invention, since the contact member is formed of a sliding body that slides on the reinforcing member when the case main body moves up and down along the reinforcing member, the inner surface of the case main body directly contacts the reinforcing member. And the resistance at the time of elevating can be reduced.
[0067]
According to the present invention, the contact member is formed of a rolling element that rolls on the reinforcing member when the case main body moves up and down along the reinforcing member. As a result, a smooth elevating operation can be obtained.
[0068]
The present invention also provides an auxiliary sliding member that comes into contact with the reinforcing member when the case body is inclined with respect to the reinforcing member at a position near the rolling element, so that even when a large external force is applied to the case main body, The rolling elements provided in the case body can be prevented from being damaged, and even if the rolling elements are damaged, the movement of the case body when moving up and down along the reinforcing material is extremely It is possible to prevent a problem such as deterioration.
[0069]
The present invention also provides a case body having a front case portion corresponding to the front surface of a front end flange of a reinforcing member having a T-shaped cross section; provided on both sides of the front case portion to correspond to the back surface of the front end flange and one side surface of the web. And a pair of side case parts; and the front case part and each side case part are detachably or removably connected to each other, so that the case body is mounted on a reinforcing member having a T-shaped cross section. Can be easily attached and detached.
[0070]
The present invention also includes a main body portion corresponding to a front surface of a front end flange of a reinforcing member having a T-shaped cross section, one back surface of the front end flange, and one side surface of a web continuous with the back surface; And a sub-case portion corresponding to the other side surface of the web continuous with the other rear surface, and the two case portions are detachably or removably connected to each other. The number of divisions of the case main body detachably attached to the reinforcing member to be formed can be reduced as much as possible, and the attaching / detaching operation can be further simplified.
[0071]
The present invention also provides a case body comprising: a main case portion corresponding to a front surface of a front end flange of a reinforcing member having a T-shaped cross section; and a back case portion corresponding to the other back surface of the front end flange. And the two case portions are detachably or removably connected to each other. Therefore, when a large load is not applied to the pulley for a hold, the case portion is detachably attached to a reinforcing member having a T-shaped cross section. The structure of the case body can be simplified to reduce the weight.
[0072]
The present invention also provides a case body comprising: a front surface of a front end flange of a reinforcing member having an L-shaped cross section; and an outer case portion corresponding to one side surface of a web continuous with the front surface; a rear surface of the front end flange; And an inner case portion corresponding to the other side surface of the web, and the two case portions are detachably or removably connected to each other. Therefore, the two case portions are detachably attached to a reinforcing member having an L-shaped cross section. The attachment / detachment work of the case main body can be made easy.
[0073]
The present invention further provides a case body comprising: a front surface of a front end flange of a reinforcing member having an L-shaped cross section; and an outer case portion corresponding to one side surface of a web continuous with the front surface; And the two case portions are detachably or removably connected to each other. Therefore, when a large load is not applied to the pulley for a hold, the case portion is detachably attached to a reinforcing member having an L-shaped cross section. The structure of the case body to be made can be simplified and the weight can be reduced.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram showing a hold pulley according to a first embodiment of the present invention.
FIG. 2 is a partial cross-sectional view of a hold pulley applied to a reinforcing member having a T-shaped cross section, as viewed from above.
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a schematic configuration diagram showing a second embodiment of the present invention.
FIG. 5 is a diagram corresponding to FIG. 4, showing a modification of FIG. 4;
FIG. 6 is a diagram corresponding to FIG. 4, showing still another modification of FIG. 4;
FIG. 7 is a schematic configuration diagram showing a third embodiment of the present invention.
8 is a diagram corresponding to FIG. 7, showing a modification of FIG. 7;
FIG. 9 is a diagram corresponding to FIG. 2 showing a hold pulley according to a fourth embodiment of the present invention.
FIG. 10 is a bottom view of FIG. 9;
FIG. 11 is a schematic configuration diagram showing a fifth embodiment of the present invention.
FIG. 12 is a diagram corresponding to FIG. 11, showing a modification of FIG. 11;
FIG. 13 is a diagram corresponding to FIG. 11, showing still another modified example of FIG. 11;
FIG. 14 is a schematic configuration diagram showing a sixth embodiment of the present invention.
[Explanation of symbols]
1 hold
2 Reinforcement
3,73 Holder pulley
4 Hatch combing
5 Elevating cord
6 Seat for hold
7 Rope
8, 18, 48, 78, 98, 128 Case body
9 Front case
10 Side case
11, 22, 52, 81, 102, 132 Screw
12,82 Rolling roller
13,83 cover
14,84 Auxiliary slide
15,85 Upper eye
16,86 Lower eye
17,87 Hanging eye
19,49 Main case
20, 50 sub-case part
21, 51, 101 hinge
61, 111, 131 fitting part
79,99,129 Outer case
80,100,130 Inner case

Claims (10)

A hold sheave that is detachably attached to a reinforcing member having a cross-sectional shape T or a cross-sectional shape L that is vertically arranged on an inner wall of a hold, and that lifts and lowers using the reinforcing material as a guide rail. A case body detachably mounted on the reinforcing member in an encircling state; a contact member provided on the case body and contacting a surface of the reinforcing member when the case body moves up and down along the reinforcing member; And a lock for locking various kinds of ropes, shackles, and the like used in the hold; and an elevating cord provided on the case main body for raising and lowering the case main body along the reinforcing material. And a connecting fitting to be connected. The pulley for a hold according to claim 1, wherein the locking fitting and the connecting fitting are shared. 3. The pulley according to claim 1, wherein the contact member is formed of a sliding body that slides on the reinforcing member when the case body moves up and down along the reinforcing member. The pulley according to claim 1 or 2, wherein the contact member is formed of a rolling element that rolls on the reinforcing material when the case body moves up and down along the reinforcing material. The pulley for a hold according to claim 4, wherein the case body has an auxiliary sliding body at a position near the rolling element, the auxiliary sliding body coming into contact with the reinforcing material when the case body is inclined with respect to the reinforcing material. A front case portion corresponding to the front surface of the front end flange of the reinforcing member having a T-shaped cross section; and a pair of side case portions disposed on both sides of the front case portion and corresponding to the rear surface of the front end flange and one side surface of the web. The pulley for a hold according to claim 1, wherein the front case portion and each side case portion are detachable or openable and closable. A main body portion corresponding to a front surface of the front end flange of the reinforcing member having a T-shaped cross section, one back surface of the front end flange, and one side surface of the web continuous with the rear surface; and the other back surface of the front end flange; And a sub-case portion corresponding to the other side surface of the web continuous with the back surface, wherein the two case portions are detachably or removably connected to each other. Or the pulley for hold described in 5. The case main body includes: a main case portion corresponding to a front surface of a front end flange of a reinforcing member having a T-shaped cross section; and a back surface corresponding to the other back surface of the front end flange; The sheave pulley according to claim 1, 2, 3, 4, or 5, wherein the two case portions are detachably connected or opened and closed. The case body includes a front surface of a front end flange of a reinforcing member having an L-shaped cross section and an outer case portion corresponding to one side surface of a web continuous with the front surface; a rear surface of the front end flange and another side surface of the web continuous with the rear surface. The pulley for a hold according to claim 1, 2, 3, 4, or 5, further comprising: an inner case portion corresponding to the first and second portions, wherein the two case portions are detachably or removably connected to each other. The case body includes: a front surface of a front end flange of a reinforcing member having an L-shaped cross section; an outer case portion corresponding to one side surface of a web continuous with the front surface; and an inner case portion corresponding to a back surface of the front end flange; The hold sheave according to claim 1, 2, 3, 4, or 5, wherein the two case portions are detachably connected or opened and closed.

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