JP7056426B2 - Escape prevention device - Google Patents

Description

The present invention relates to a device for preventing runaway of a rail traveling machine.

Conventionally, various rail-traveling machines have been used in port facilities and the like. For example, unloaders are used in the port facilities of steelworks. At the steelworks, when the ore ship berths, the unloader moves on the running rails laid along the quay while lifting the raw materials (iron ore, etc.) from the ore ship and the raw materials to the raw material yard. Perform hanging, etc.

By the way, in a harbor facility, it is necessary to prevent the rail traveling machine from moving (runaway) due to the strong wind even in an environment where strong winds are blowing (for example, during a typhoon). Therefore, conventionally, the rail traveling type machine is provided with an anchor device as disclosed in, for example, Patent Document 1.

Jitsukaihei 4-79885 Gazette

When the anchor device disclosed in Patent Document 1 is used in a rail traveling machine, for example, an anchor is attached to the rail traveling machine so as to be able to move up and down in the vertical direction, and a fixing member into which the anchor can be inserted is attached to the ground. It is installed near the rail. In such a configuration, the rail traveling machine can be fixed in a predetermined position by lowering the anchor and inserting it into the fixing member to lock the anchor and the fixing member.

However, when the conventional anchor device as described above is newly installed in the rail traveling type machine, a large-scale foundation work is required in order to provide a fixing member into which the anchor can be inserted on the ground. This increases the installation cost of the rail traveling machine.

Therefore, an object of the present invention is to provide an escape prevention device capable of preventing the escape of the rail traveling machine while suppressing an increase in the installation cost of the rail traveling machine.

The present invention has been made to solve the above problems, and the following escape prevention device is the gist of the present invention.

(1) A device for preventing the runaway of a rail traveling machine that moves on the rail by rolling a plurality of wheels on a rail fixed to the ground so as to extend linearly.
A pair of fixed hardware provided on both sides of the rail so as to sandwich the rail and fixed to the ground,
With respect to one component of the rail traveling machine provided above the rail, an insert metal fitting provided on one side of the rail in the extending direction and supported by the rail and the pair of fixed metal fittings. ,
On the rail, a first receiving metal fitting provided between the one component member and the insertion metal fitting is provided.
Each of the pair of fixed metal fittings is formed with a support surface for supporting the insertion metal fitting and a first wall surface extending upward from one end of the support surface in the stretching direction.
The movement of the inserted metal piece to one side in the stretching direction is restricted by the first wall surface.
The movement of the first receiver to one side in the stretching direction is restricted by the inserted metal.
An escape prevention device in which the movement of the one component member to one side in the stretching direction is restricted by the first receiver.

(2) The escape prevention device according to (1) above, wherein the one component is any wheel.

(3) With a second receiver
The insert metal fitting is between the one component and another component of the rail traveling machine provided on one side of the one component in the extending direction of the rail and provided on the rail. Placed in
The second receiving metal fitting is provided on the rail between the other constituent member and the insertion metal fitting.
Each of the pair of fixed hardware is formed with a second wall surface extending upward from the other end of the support surface in the stretching direction.
The movement of the inserted metal piece to the other side in the stretching direction is restricted by the second wall surface.
The movement of the second receiver to the other side in the stretching direction is restricted by the inserted metal.
The escape prevention device according to (1) or (2) above, wherein the movement of the other constituent member to the other side in the stretching direction is restricted by the second receiver.

(4) The escape prevention device according to (3) above, wherein the other constituent member is any wheel adjacent to the one constituent member in the extending direction of the rail.

(5) The first receiving metal fitting and the second receiving metal fitting each have a locking surface facing the inserted metal fitting in the extending direction of the rail and facing the inserted metal fitting in the vertical direction. The escape prevention device according to (4).

(6) Each of the pair of fixed hardware further includes one or more paddings provided between the first wall surface and the insert metal fitting and at least one between the second wall surface and the insert metal fitting. The escape prevention device according to any one of (3) to (5).

(7) The inserted metal fitting includes a first inserted metal fitting supported by one fixed metal fitting and a second inserted metal fitting supported by the other fixed metal fitting.
The first insertion metal fitting and the second insertion metal fitting have a C-shaped fitting portion that is laterally fitted to the head of the rail and a mounting portion that is placed on the support surface of the fixed metal fitting, respectively. The escape prevention device according to any one of (1) to (6) above.

(8) The escape prevention device according to any one of (1) to (7) above, further comprising a retaining metal fitting that covers the rail and the inserted metal fitting from above.

(9) The escape prevention device according to any one of (1) to (8) above, wherein the rail and the pair of fixed hardware are fixed to a common iron plate embedded in the ground.

According to the present invention, it is possible to prevent the rail traveling machine from running away while suppressing an increase in the installation cost of the rail traveling machine.

FIG. 1 is a diagram showing an example of a rail traveling type machine to which the escape prevention device according to the present invention is installed. FIG. 2 is a diagram showing a part of the traveling device. FIG. 3 is a diagram showing an installation example of the escape prevention device. FIG. 4 is an enlarged view showing a portion surrounded by the alternate long and short dash line in FIG. FIG. 5 is a perspective view showing a rail, an iron plate, and an escape prevention device. FIG. 6 is an exploded perspective view showing a rail, an iron plate, and an escape prevention device. FIG. 7 is a diagram for explaining an example of how to install the escape prevention device. FIG. 8 is a diagram for explaining an example of how to install the escape prevention device. FIG. 9 is a diagram for explaining an example of how to install the escape prevention device. FIG. 10 is a diagram for explaining an example of how to install the escape prevention device. FIG. 11 is a diagram showing an escape prevention device according to another embodiment.

Hereinafter, the escape prevention device according to the embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an example of a rail traveling type machine to which the escape prevention device according to the present invention is installed. Note that FIG. 1 shows a schematic view of the unloader 2 installed in the vicinity of the quay 1 of the port facility as an example of the rail traveling type machine.

With reference to FIG. 1, the unloader 2 includes a traveling device 4 capable of traveling on a pair of rails 3 provided along the quay 1 and a main body portion 5 supported by the traveling device 4. Since the escape prevention device according to the present invention can be used to prevent escape of various known unloaders, detailed description of the unloader 2 will be omitted. Further, the escape prevention device according to the present invention is for preventing the escape of various known rail traveling machines (including container cranes, jib cranes, etc.) that move on rails by rolling a plurality of wheels. Available. Therefore, the installation target of the escape prevention device according to the present invention is not limited to the unloader 2.

FIG. 2 is a diagram showing a part of the rail 3 and the traveling device 4. Note that FIG. 2 is a view of a part of the rail 3 and the traveling device 4 seen from the side of the rail 3 (a view seen from a direction orthogonal to the vertical direction and the extending direction of the rail 3). In the following, the side view means that the rail 3 is viewed from the side.

With reference to FIGS. 1 and 2, the pair of rails 3 are fixed to an iron plate 6 embedded in the ground. The pair of rails 3 are provided so as to extend parallel to each other and linearly. Since a known technique can be used, a detailed description thereof will be omitted, but in the present embodiment, as shown in FIG. 2, the bottom portion 3a of each rail 3 is fixed to the iron plate 6 by a plurality of fastening members 7. The iron plate 6 is fixed to a foundation structure (not shown) that transmits a load to the supporting ground in the ground.

With reference to FIG. 2, the traveling device 4 includes a plurality of wheels 8. The unloader 2 can move on a pair of rails 3 by rolling a plurality of wheels 8. In the present embodiment, the traveling device 4 includes a driving device (not shown). When any of the wheels 8 is rotationally driven by the drive device, the traveling device 4 moves along the rail 3 in one direction X1 and the other direction X2. As a result, the unloader 2 moves in one direction X1 and the other direction X2.

With reference to FIG. 3, the escape prevention device 10 according to the present embodiment is provided, for example, between two wheels 8 adjacent to each other in the extension direction of the rail 3 among the plurality of wheels 8 of the traveling device 4. FIG. 4 is an enlarged view showing a portion surrounded by the alternate long and short dash line in FIG. 3, FIG. 5 is a perspective view showing a rail, an iron plate, and an escape prevention device, and FIG. 6 is a rail, an iron plate, and an escape prevention device. It is an exploded perspective view which shows. Further, FIGS. 7 to 10 are diagrams for explaining an example of an installation method of the escape prevention device 10. 7 to 10, (a) is a perspective view showing the components of the rail, the iron plate, and the escape prevention device, and (b) is the portion corresponding to the portion surrounded by the alternate long and short dash line in FIG. It is a side view which shows.

In the perspective views of FIGS. 5 to 10, the wheel 8 is not shown in order to avoid cluttering the drawings. Further, although the escape prevention device 10 installed on one rail 3 will be described below, the escape prevention device 10 according to the present embodiment may be installed on only one rail 3 or both rails. It may be installed in 3. Further, a plurality of escape prevention devices 10 may be installed on one rail 3.

With reference to FIGS. 4 to 6, the escape prevention device 10 is detached from a pair of fixed metal fittings 12, an inserted metal fitting 14, a first receiving metal fitting 16, a second receiving metal fitting 18, and a plurality of filling metal fittings 20. A stopper 22 is provided. With reference to FIG. 6, in the present embodiment, the inserted metal fitting 14 includes the first inserted metal fitting 14a and the second inserted metal fitting 14b.

With reference to FIG. 6, the pair of fixed metal fittings 12 are provided on both sides of the rail 3 so as to sandwich the rail 3. Each fixed hardware 12 is fixed to an iron plate 6 to which a rail 3 is fixed. In the present embodiment, each fixed metal fitting 12 is welded to, for example, an iron plate 6. As described above, in the present embodiment, the fixed hardware 12 can be supported by utilizing the iron plate 6 provided for laying the rail 3 and the above-mentioned foundation structure. As a result, even when a large horizontal load is applied to the fixed metal fitting 12, the fixed metal fitting 12 can be sufficiently supported by the iron plate 6. Therefore, the fixed hardware 12 can sufficiently withstand a large horizontal load.

With reference to FIGS. 6 and 7, a recess 30 recessed downward in a side view is formed in the central portion of each fixed hardware 12. With reference to FIG. 7, the recess 30 extends upward from a support surface 30a extending in the stretching direction of the rail 3 (hereinafter, also simply referred to as a stretching direction) and one end of the support surface 30a in the stretching direction. It includes a first wall surface 30b and a second wall surface 30c extending upward from the other end of the support surface 30a in the stretching direction.

With reference to FIG. 6, the first insertion hardware 14a includes a fitting portion 41a having a C-shape when viewed from the stretching direction, and a plate-shaped mounting portion 42a extending horizontally from the lower end portion of the fitting portion 41a. Have. Similarly, the second insertion metal fitting 14b has a fitting portion 41b having a C-shape when viewed from the stretching direction, and a plate-shaped mounting portion 42b extending horizontally from the lower end portion of the fitting portion 41b.

With reference to FIGS. 4 and 6, the first receiver 16 has a locking surface 16a and a locking surface 16b. The locking surface 16a is curved in an arc shape in a side view, and the locking surface 16b is bent in an L shape in a side view. Similarly, the second receiver 18 has a locking surface 18a and a locking surface 18b. The locking surface 18a is curved in an arc shape in a side view, and the locking surface 18b is bent in an L shape in a side view.

Each of the plurality of paddings 20 has a substantially U-shape. Similarly, the retaining metal fitting 22 has a substantially U-shape.

When installing the escape prevention device 10 with reference to FIGS. 7 and 8, first, the first receiving metal fitting 16 and the second receiving metal fitting 18 are placed on the head portion 3b of the rail 3. Specifically, between the pair of wheels 8 so that the locking surface 16a faces the tread 8a of one wheel 8 and the locking surface 18a faces the tread 8a of the other wheel 8 in the stretching direction. The first receiver 16 and the second receiver 18 are provided.

Next, referring to FIGS. 8 and 9, the first insertion metal fitting 14a and the second insertion metal fitting 14b are attached to the rail 3 from both sides of the rail 3. In the present embodiment, between the first receiving metal fitting 16 and the second receiving metal fitting 18, the fitting portion 41a of the first inserted metal fitting 14a and the fitting portion 41b of the second inserted metal fitting 14b are fitted to the head portion 3b of the rail 3. Is fitted. The mounting portion 42a of the first inserted metal fitting 14a and the mounting portion 42b of the second inserted metal fitting 14b are each supported by the support surface 30a of the fixed metal fitting 12.

In the present embodiment, after the first receiving metal fitting 16 and the second receiving metal fitting 18 are placed on the rail 3, the first inserted metal fitting 14a and the second inserted metal fitting 14b are attached to the rail 3, but the first receiving metal fitting is attached. The first insertion metal fitting 14a and the second insertion metal fitting 14b may be attached to the rail 3 before the 16 and the second metal fitting 18 are placed on the rail 3. In the present embodiment, the first receiving metal fitting 16 may be provided between one wheel 8 and the inserted metal fitting 14, and the second receiving metal fitting 18 may be provided between the other wheel 8 and the inserted metal fitting 14. ..

Next, with reference to FIGS. 9 and 10, the first receiving metal fitting 16 covers the sides and the upper side of the pair of fixed metal fittings 12 and the inserted metal fittings 14 (first inserted metal fittings 14a, second inserted metal fittings 14b). A retaining metal fitting 22 is provided between the second receiving metal fitting 18 and the second receiving metal fitting 18. The retaining metal fitting 22 can prevent the inserted metal fitting 14 from coming off the rail 3.

In the present embodiment, the retaining metal fitting 22 is configured as a separate member from the first receiving metal fitting 16 and the second receiving metal fitting 18, but the retaining metal fitting 22 is the first receiving metal fitting 16 or the second receiving metal fitting 18. It may be integrally configured with the receiver 18. In this case, the insertion metal fitting 14 is attached to the rail 3 before the first metal fitting 16 and the second metal fitting 18 are attached.

Finally, with reference to FIGS. 10, 4 and 5, a gap and insertion formed between the insertion hardware 14 and the first wall surface 30b (see FIG. 10B) in the recess 30 (see FIG. 10). The metal fitting 20 is fitted into each fixed metal fitting 12 so as to fill the gap formed between the metal fitting 14 and the second wall surface 30c (see FIG. 10B). Although not shown, the escape prevention device 10 includes a plurality of paddings 20 having different thicknesses (lengths of the rails 3 in the extending direction). Therefore, in the present embodiment, the padding 20 having an appropriate thickness is selected according to the positions of the mounting portions 42a and 42b in the recess 30 (that is, according to the size of the gap formed in the recess 30). Can be attached to the fixed hardware 12.

In the present embodiment, the retaining metal fitting 20 is attached after the retaining metal fitting 22 is attached, but the retaining metal fitting 22 may be attached after the filling metal fitting 20 is attached. Further, when a gap is not formed between the inserted metal fitting 14 and the first wall surface 30b, the filling metal fitting 20 is not provided between the inserted metal fitting 14 and the first wall surface 30b. Similarly, when a gap is not formed between the inserted metal fitting 14 and the second wall surface 30c, the filling metal fitting 20 is not provided between the inserted metal fitting 14 and the second wall surface 30c. Therefore, for example, when the length of the recess 30 and the lengths of the mounting portions 42a and 42b are substantially equal in the extending direction of the rail 3, the padding 20 is not provided.

With reference to FIG. 4, in the escape prevention device 10 described above, the movement of the inserted metal fitting 14 in one direction X1 is restricted by the first wall surface 30b of the fixed metal fitting 12 via the padding metal fitting 20, and the inserted metal fitting 14 is restricted by the first wall surface 30b. Movement to the other direction X2 is restricted by the second wall surface 30c of the fixed hardware 12 via the padding 20. Further, the movement of the first receiving metal fitting 16 in one direction X1 is regulated by the inserted metal fitting 14, and the movement of the second receiving metal fitting 18 in the other direction X2 is regulated by the inserted metal fitting 14. Further, the movement of one of the pair of adjacent wheels 8 in one direction X1 is restricted by the first receiver 16, and the movement of the other wheel 8 in the other direction X2 is the second receiver. Regulated by 18. As a result, the movement of the traveling device 4 is restricted, and the escape of the unloader 2 can be prevented.

Here, in the escape prevention device 10 according to the present embodiment, as described above, the escape of the unloader 2 can be prevented by using the fixed metal fitting 12 having a simple structure fixed to the ground. In this case, a large-scale foundation work is not required as compared with the case where the conventional anchor device is provided. As a result, it is possible to suppress an increase in the installation cost of the rail traveling machine (in this embodiment, the unloader 2). Further, in the escape prevention device 10 according to the present embodiment, unlike the case where the conventional anchor device is provided, it is not necessary to provide a large member into which an anchor can be inserted in the ground, so that a large installation space is required. Do not.

Further, in the present embodiment, as described above, since a large-scale foundation work is not required, the fixed hardware 12 can be easily fixed at an arbitrary position. Therefore, by fixing the fixing hardware 12 according to the position where the unloader 2 is desired to be stopped, the unloader 2 can be easily stopped at a desired position without performing a large-scale foundation work. In recent years, the size of a ship has increased, and the range of movement of the unloader 2 may be limited by interfering with the bridge wing of the ship. In this case, the unloader 2 may not be stopped by the existing anchor device. That is, the unloader 2 may not be able to be moved to a position where it can be stopped by the anchor device. Even in such a case, in the escape prevention device 10 according to the present embodiment, the unloader 2 can be easily stopped by fixing the fixed hardware 12 at a desired position.

Further, in the present embodiment, the first insertion hardware 14a has a fitting portion 41a that is fitted into the head portion 3b of the rail 3. Similarly, the second insertion hardware 14b has a fitting portion 41b that is fitted into the head portion 3b of the rail 3. As a result, the inserted metal fitting 14 can be easily attached to the rail 3 and the inserted metal fitting 14 can be prevented from being easily disengaged from the rail 3.

Further, in the present embodiment, the first receiving metal fitting 16 has a locking surface 16b facing the inserted metal fitting 14 in the vertical direction and the extending direction of the rail 3. As a result, even when the first receiving metal fitting 16 is pushed in one direction X1 by one of the wheels 8, the locking surface 16b is locked to the insertion metal fitting 14, so that the first receiving metal fitting 16 is moved to one direction X1. It is possible to prevent rolling. Similarly, the second receiving metal fitting 18 has a locking surface 18b facing the inserted metal fitting 14 in the vertical direction and the direction of the rail 3. As a result, even when the second receiving metal piece 18 is pushed in the other direction X2 by the other wheel 8, the locking surface 18b is locked to the insertion metal fitting 14 so that the second receiving metal fitting 18 moves in the other direction X2. It is possible to prevent rolling.

Further, in the present embodiment, the escape prevention device 10 is composed of a large number of members. As a result, the weight of each member constituting the escape prevention device 10 can be reduced, and the transfer of each member and the assembly of the escape prevention device 10 become easy.

In the above-described embodiment, the case where the first receiver 16 and the second receiver 18 are provided between the pair of wheels 8 has been described, but the installation positions of the first receiver 16 and the second receiver 18 are different. It is not limited to the above example. The first receiver and the second receiver may be provided so as to correspond to any constituent member of the rail traveling machine provided above the rail, respectively. For example, as shown in FIG. 11, the first receiver 16 and the second receiver 18 have an arbitrary wheel 8 (one component of the unloader 2) and another configuration of the unloader 2 adjacent to the wheel 8. It may be provided between the member 50 (a constituent member other than the wheel 8, for example, an existing anchor device). In this case, the shape of the second receiver 18 may be appropriately changed according to the shape of the constituent member 50. Further, although detailed description will be omitted, among the arbitrary constituent members of the unloader 2, the first receiving metal fitting 16 and the second receiving metal fitting 16 and the second receiving member are placed between one constituent member other than the wheel and the other constituent member other than the wheel. Hardware 18 may be provided. In this case, the shapes of the first receiver 16 and the second receiver 18 may be appropriately changed according to the shapes of the corresponding constituent members.

Further, in the above-described embodiment, the case where the escape prevention device having the two first receivers restricts the movement of the unloader 2 in one direction X1 and the other direction X2 has been described, but one first receiver is used. The escape prevention device may restrict the movement of the unloader 2 in one direction X1 and the other escape prevention device having one first receiver may restrict the movement of the unloader 2 in the other direction X2. In this case as well, the first metal fitting of each escape prevention device may be provided so as to correspond to any constituent member of the rail traveling type machine.

According to the present invention, it is possible to prevent the rail traveling machine from running away while suppressing an increase in the installation cost of the rail traveling machine.

1 Quay 2 Unloader 3 Rail 4 Traveling device 5 Main body 6 Iron plate 7 Fastening member 8 Wheel 10 Escape prevention device 12 Fixed hardware 14 Insertion hardware 14a First insertion hardware 14b Second insertion hardware 16 First receiver 18 Second receiver 20 Stuffing hardware 22 Anti-slip hardware

Claims (9)

A device for preventing the runaway of a rail-traveling machine that moves on the rail by rolling a plurality of wheels on a rail fixed to the ground so as to extend in a straight line.
A pair of fixed hardware provided on both sides of the rail so as to sandwich the rail and fixed to the ground,
With respect to one component of the rail traveling machine provided above the rail, an insert metal fitting provided on one side of the rail in the extending direction and supported by the rail and the pair of fixed metal fittings. ,
On the rail, a first receiving metal fitting provided between the one component member and the insertion metal fitting is provided.
Each of the pair of fixed metal fittings is formed with a support surface for supporting the insertion metal fitting and a first wall surface extending upward from one end of the support surface in the stretching direction.
The movement of the inserted metal piece to one side in the stretching direction is restricted by the first wall surface.
The movement of the first receiver to one side in the stretching direction is restricted by the inserted metal.
An escape prevention device in which the movement of the one component member to one side in the stretching direction is restricted by the first receiver. The escape prevention device according to claim 1, wherein the component is one of the wheels. With more second receiver
The insert metal fitting is between the one component and another component of the rail traveling machine provided on one side of the one component in the extending direction of the rail and provided on the rail. Placed in
The second receiving metal fitting is provided on the rail between the other constituent member and the insertion metal fitting.
Each of the pair of fixed hardware is formed with a second wall surface extending upward from the other end of the support surface in the stretching direction.
The movement of the inserted metal piece to the other side in the stretching direction is restricted by the second wall surface.
The movement of the second receiver to the other side in the stretching direction is restricted by the inserted metal.
The escape prevention device according to claim 1 or 2, wherein the movement of the other constituent member to the other side in the stretching direction is restricted by the second receiver. The escape prevention device according to claim 3, wherein the other component is any wheel adjacent to the one component in the extending direction of the rail. The third or four claim, wherein the first receiver and the second receiver each have a locking surface facing the inserted metal in the extending direction of the rail and facing the inserted metal in the vertical direction. Escape prevention device. According to claim 3, each of the pair of fixed metal fittings further includes one or more filling metal fittings provided between the first wall surface and the insertion metal fitting and at least one between the second wall surface and the insertion metal fitting. The escape prevention device according to any one of 5. The inserted hardware includes a first inserted hardware supported by one fixed hardware and a second inserted hardware supported by the other fixed hardware.
The first insertion metal fitting and the second insertion metal fitting have a C-shaped fitting portion that is laterally fitted to the head of the rail and a mounting portion that is placed on the support surface of the fixed metal fitting, respectively. The escape prevention device according to any one of claims 1 to 6. The escape prevention device according to any one of claims 1 to 7, further comprising a retaining metal fitting that covers the rail and the inserted metal fitting from above. The escape prevention device according to any one of claims 1 to 8, wherein the rail and the pair of fixing hardware are fixed to a common iron plate embedded in the ground.

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