JP4939920B2 - container - Google Patents

Description

  The present invention relates to a container that can be loaded on a railway freight car and a transportation vehicle.

  There are containers that contain items such as garbage and earth and sand and are transported by railway wagons or transport vehicles. Among these, the container mounted on the transport vehicle can be in a dumped state inclined downward by the function of the vehicle, and thereby the work of discharging the contents from the rear part of the container is performed. For this purpose, an opening is provided at the rear of the container, and a tailgate that can open and close the opening is provided in the container. Furthermore, this container is provided with a locking means that can be in a locked state that restricts the tailgate from being opened during transportation (see, for example, Patent Document 1). This locking means is operated by turning a handle attached to the side wall portion of the container. And this handle | steering-wheel is normally attached only to the side wall (mainly right side wall) of the side in which the driver's seat of a vehicle exists among the left and right side walls of a container. This is to position the handle on the same side in the left-right direction as the driver's seat of the vehicle, thereby reducing the distance between the driver's seat and the handle and facilitating the operation when the driver is an operator. .

JP 2002-68366 A (see FIGS. 25 and 27)

When such a container with an operation handle attached only to the right side is placed on a railway freight car, the following problems arise.
In general stations, there are platforms on the left and right sides of railway wagons and tracks on which other trains run on the other side, and depending on the station, the platform is located on the left side of the railway wagons. Or on the right. Therefore, since the handle is attached only to the right side of the container, when there is a home only on the left side of the freight car, if the operator needs to operate the handle, the operator descends onto the right track and handles the handle. There is a problem that the operation of operating the lock device is troublesome.

  Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a container that can facilitate the operation of switching the locking means for the tailgate between the locked state and the unlocked state. To do.

In order to achieve the above object, a container according to the present invention is a container that can be loaded on a railway freight car and a transport vehicle. A container body having an opening at a rear portion thereof, and a tail attached to the container body so that the opening can be opened and closed A lock means that switches between a gate, a locked state that restricts the tailgate in the closed state from opening, and an unlocked state that allows the tailgate in the closed state to open, and the lock means in the locked state Operating means for performing an operation for switching to the unlocked state, the operating means provided on each of the left and right sides of the container body and operated by an operator, the left operating unit, the left operating unit, and a link portion to switch the state of the locking means also operates any of the right operation unit, the container body Respectively provided on the right and left sides, in which is provided with a pointer member representing the locked state or the unlocked state by interlocking with the locking means.

  According to this container, the left and right sides of the container main body have a left operation part and a right operation part, respectively, and the link part locks regardless of whether the left operation part or the right operation part is operated. Thus, the operator can operate the locking means from either the left side or the right side of the container. For this reason, the operation | work which switches the state of a locking means becomes easy.

In addition, the display of finger radical 113 material, the operator is able to grasp the state of the lock means from either the left side and the right side of the container body, that is, of whether a is the one unlocked state in the locked state.

Further, in this container, the left and right indicating members protrude from the left and right side walls of the container body outward in the left-right direction in the unlocked state, and are in the left-right direction inside the left and right side walls in the locked state. It is preferable to be in a state of being housed in the container.
According to this, when the locking means is in the unlocked state, the pointing member protrudes from the left and right side walls outward in the left-right direction. Can grasp the state of the locking means even from the front of the container. When the locking means is in the locked state, the indicating member is housed inside the left and right side walls, so that the indicating member does not get in the way when the container is transported.

Further, in the container, the link portion has a plurality of shafts connected from the left operation portion and the right operation portion to the lock means, and all of these shafts rotate around an axis in the vertical direction. The container body is preferably provided under the floor wall.
According to this, since the plurality of shafts included in the link portion rotate around the axial center in the vertical direction, these shafts do not change in the vertical direction. Therefore, although these shafts are provided under the floor wall of the container main body, the vertical space for providing these shafts can be small. For this reason, the volume of the container body can be increased in the vertical direction.

  According to this invention, the operator can operate the locking means from either the left side or the right side of the container, and the work of switching the state of the locking means becomes easy. Therefore, when this container is placed on a transport vehicle, since there is an operation part on the side where the driver's seat exists, the locking means is provided when the distance between the driver's seat and the operation part is close and the driver is an operator. Is easy to operate. In addition, when this container is placed on a railway freight car, the work is facilitated when it is necessary to switch the state of the locking means at a station where only one of the left and right platforms has a platform.

Embodiments of the present invention will be described below with reference to the drawings.
The container according to the present invention can accommodate stored items such as garbage and earth and sand, and this container is mounted on a transport vehicle, a railway freight car, or the like and transported. FIG. 1 and FIG. 2 are side views when the container of the present invention is placed on a transport vehicle. FIG. 1 is a normal state in which the container 1 is transported, and FIG. 2 is a dump truck in which the container 1 is tilted downward. State. In this dumped state, the contents in the container 1 can be discharged from the rear part.

  The transport vehicle includes a dump frame 27 that can be tilted backward by a hinge 28 provided at a rear portion on a vehicle body 26, and an actuator (for example, a hydraulic cylinder) 29 that tilts the dump frame 27. The container 1 placed on the dump frame 27 can be integrated with the dump frame 27 by a fixing device (not shown). The container 1 can also be mounted on a railway freight car (not shown).

  FIG. 3 is a side view of a partial cross section of the container 1, and FIG. 4 is a rear view of the container 1. The container 1 has a container main body 2 having openings at the top and rear, a canopy 13 that can be opened and closed with respect to the upper opening (input port), and a rear opening (discharge port) 2a. And a tailgate 3 that can be opened and closed. The container body 2 includes four front and rear columns 14, a lower floor wall 12, a side wall 9 provided between the front and rear columns 14 on the left and right sides, and a front provided between the front left and right columns 14. And a wall (not shown). The container 1 also includes opening / closing means (not shown) for opening / closing the canopy 13.

  A rear top plate 15 is provided at the upper rear end of the container body 2. The tailgate 3 is attached to the container body 2 via a hinge portion 16 provided on the rear top plate 15, and the tailgate 3 can be opened and closed with respect to the opening 2a with the upper side as a rotation center. Yes. For this reason, as shown in FIG. 2, if the locking means 4 described later is in the unlocked state, the container 1 is in the dumped state, and the tailgate 3 whose rotation axis is in the horizontal direction is caused by its own weight. It can be in an open state, and the contents can be discharged from the opening 2a. An insertion port 17 is provided below the floor wall 12 of the container body 2 for inserting a fork (not shown) of a forklift to lift the container 1. A rod 18 protruding downward is fixed to the lower portion of the tailgate 3 (see FIG. 4).

  The container 1 includes a lock means 4 for the tailgate 3 and an operation means 5 for operating the lock means 4. The lock means 4 is a lock state that restricts the tailgate 3 that is closed with respect to the rear opening 2a from opening, and a lock that allows the tailgate 3 that is closed with respect to the opening 2a to open. Switch to the released state. Then, the operation unit 5 performs an operation of switching the lock unit 4 between a locked state and an unlocked state. The lock means 4 is attached to the lower part of the rear surface of the container body 2 below the opening 2a. A pair of right and left locking means 4 is provided on the container body 2.

  FIG. 5 is a cross-sectional plan view of the locking means 4, and FIG. 6 is a view of the locking means 4 viewed from the rear of the container 1. The pair of left and right locking means 4 have the same configuration. Each locking means 4 has a first engaging member 11 on the movable side and a second engaging member 19 on the fixed side, and the second engaging member 19 is the rear surface of the container body 2. It is fixed at the bottom. The first engagement member 11 is attached to the second engagement member 19 so as to be rotatable about the vertical axis C1. When the first engagement member 11 is rotated about the axis C1, the first engagement member 11 is in the locked position (the position indicated by the solid line in FIG. 5) and the unlocked position (the two-dot chain line in FIG. 5). Move to the position indicated by.

  The second engagement member 19 has a recess 19a into which the rod 18 of the tailgate 3 in the closed state is inserted. The first engagement member 11 has a claw portion 11a that covers the rod 18 that has entered the recess 19a at the lock position. As a result, when the first engagement member 11 is maintained at the locked position, the second engagement member 19 and the rod 18 of the tailgate 3 are engaged with each other, and the locking means 4 is in the locked state. . In other words, the rod 18 that is going to move backward in order to open the tailgate 3 is maintained in a state of being sandwiched from the front and rear directions by the first and second engaging members 11 and 19, and the locking means 4 is in the locked state. Become. On the other hand, the first engagement member 11 is in a state where the recess 19a is opened rearward (in the state of the two-dot chain line in FIG. 5) at the unlocking position, and the rod 18 of the tailgate 3 to be opened and the first engagement member 11 are opened. This is a position where the claw portion 11a of the engaging member 11 does not interfere.

  7 and 8 are bottom views of the operation means 5. FIG. 7 shows the lock means 4 in the locked state, and FIG. 8 shows the lock means 4 in the unlocked state. The operating means 5 has a left operating part 6 and a right operating part 7 that are operated by an operator to operate the pair of left and right locking means 4. FIG. 9 is an explanatory diagram showing the right operation unit 7. The right operation part 7 is provided at the right rear part (rear part of the right side wall 9a) of the container main body 2, and the left operation part 6 is provided at the left rear part (rear part of the left side wall 9b) of the container main body 2. The operation means 5 further includes a link portion 8 that switches the state of the pair of lock means 4 when any one of the left operation portion 6 and the right operation portion 7 is operated.

  The left operation unit 6 and the right operation unit 7 have the same configuration, and the right operation unit 7 will be described as a representative with reference to FIG. The right operation unit 7 includes a shaft 21 provided so as to rotate forward and backward around an axis in the vertical direction at the right rear portion of the container body 2, a lever 22a that rotates integrally with the shaft 21, and a user manually And a handle 20 to be operated. When the user rotates the handle 20 forward and backward, the shaft 21 and the lever 22a can be rotated forward and backward. One end of a shaft (left first shaft 31a) provided in the link portion 8 is connected to the lever 22a so as to be rotatable around an axis in the vertical direction. The handle 20 is detachable from the shaft 21, and the handle 20 can be detached from the shaft 21 when not in use. The handle 20 can be diverted for opening / closing means (not shown) for opening and closing the canopy 13.

  The link portion 8 has a plurality of shafts that are connected from the left operation portion 6 and the right operation portion 7 to the first engagement members 11 of the pair of left and right lock means 4. In these shafts, adjacent shafts are connected so as to rotate about the axis in the vertical direction. All of the link portions 8, that is, the plurality of shafts, are provided below the floor wall 12 of the container body 2.

The configuration of the link unit 8 will be specifically described.
The link unit 8 connects the left shaft 31 that is operated by the operation of the left operation unit 6, the right shaft 41 that is operated by the operation of the right operation unit 7, and the left shaft 31 and the right shaft 41. It has a central connecting member 30 whose position changes even if any of the operating unit 7 is operated. Further, the link portion 8 includes a left lock shaft 32 that operates the left lock means 4, a right lock shaft 42 that operates the right lock means 4, and a connecting lock shaft that synchronizes the left and right lock shafts 32, 42. 40. Further, the left and right lock shafts 32 and 42 are synchronously operated via the connection lock shaft 40 by a change in position of the center connection member 30 interposed between the center connection member 30 and the connection lock shaft 40, and left and right lock means. And an operation shaft 34 that changes the state 4 (locked state or unlocked state).

  More specifically, the left shaft 31 includes a left first shaft 31a, a left second shaft 31b, and a left connecting member 33. One end of the left first shaft 31a is connected to the lever 22b of the left operation unit 6 so as to be rotatable around the first axis v1. A left connecting member 33 is rotatably attached around the second axis v2 below the floor wall 12, and the other end of the left first shaft 31a is connected to the third axis v3 on a part of the left connecting member 33. The second left shaft 31b is connected to the other end around the fourth axis v4.

  The right shaft 41 includes a right first shaft 41a, a right second shaft 41b, and a right connecting member 43. One end portion of the right first shaft 41a is coupled to the lever 22a of the right operation portion 7 so as to be rotatable around the fifth axis v5. A right connecting member 43 is rotatably attached around the sixth axis v6 under the floor wall 12, and the other end of the right first shaft 41a is connected to the seventh axis v7 on a part of the right connecting member 43. The other end of the right second shaft 41b is connected around the eighth axis v8.

  The central connecting member 30 is attached to the lower portion of the floor wall 12 so as to be rotatable about the ninth axis v9. The other end of the left second shaft 31b is connected to the tenth axis on a part of the central connecting member 30. The other end of the right second shaft 41b is attached to the other part so as to be rotatable about the eleventh axis v11. Thus, any of the left operation unit 6 and the right operation unit 7 is operated, that is, any of the shaft 21 of the left operation unit 6 and the shaft 21 of the right operation unit 7 is rotated. Even so, the central connecting member 30 rotates about the ninth axis v9.

  Under the floor wall 12, a first connecting member 35 and a second connecting member 36 are attached to the left and right respectively so as to be rotatable about a twelfth axis v12 and a thirteenth axis v13. The first engaging member 11 of the left lock means 4 and one end of the left lock shaft 32 are attached to be rotatable about a fourteenth axis v14 (see FIG. 5), and the other end of the left lock shaft 32 is attached. And a part of the first connecting member 35 are attached to be rotatable about a fifteenth axis v15. The first engagement member 11 of the right lock means 4 and one end of the right lock shaft 42 are rotatably attached around the 16th axis v16 (see FIG. 5), and the other end of the right lock shaft 42 is attached. And a part of the second connecting member 36 are rotatably attached around the 17th axis v17.

  One end of the connection lock shaft 40 is attached to the other part of the first connection member 35 so as to be rotatable around the 18th axis v18, and the other end of the connection lock shaft 40 is connected to the other of the second connection member 36. It is attached to the part so as to be rotatable around the 19th axis v19. As a result, when the connecting lock shaft 40 extending in the left-right direction is displaced (moved) in the left-right direction, the first engaging members 11 of the left-right lock means 4 are moved in the vertical axis via the left and right lock shafts 32, 42. By rotating around C1 (see FIG. 5), the state of the left and right lock means 4 can be changed simultaneously.

  The operation shaft 34 includes a first shaft 34a, a second shaft 34b, and a connecting member 34c. The connecting member 34c is attached to the lower portion of the floor wall 12 so as to be rotatable about the twentieth axis v20. One end of the first shaft 34a rotates around the twenty-first axis v21 on a part of the connecting member 34c. The second shaft 34b is attached to the other part so as to be rotatable about the twenty-second axis v22. The other end portion of the first shaft 34a is attached to the arm portion 30a of the central connecting member 30 via the attachment member 34d so as to be rotatable around the 23rd axis v23, and the other end portion of the second shaft 34b is connected to the arm portion 30a. The first connecting member 35 is attached to be rotatable about the 24th axis v24.

  The operation shaft 34 generates an elastic force in a direction to maintain the state when the lock unit 4 is in the locked state, and generates an elastic force in a direction to maintain the state when the lock unit 4 is in the unlocked state. An elastic member (not shown) is provided. The elastic member can be, for example, a compression coil spring attached to the attachment member 34d of the first shaft 34a, and the elastic member is moved beyond a certain point (dead point) during the rotation of the central connecting member 30. , The direction of the elastic force for maintaining the two opposite states of the locking means 4 is switched. According to this elastic member, the lock means 4 can be maintained in the locked state or can be maintained in the unlocked state. That is, the first engaging member 11 of the locking means 4 is maintained at the locked position (the position indicated by the solid line in FIG. 5), or the first engaging member 11 is unlocked (the two-dot chain line in FIG. 5). Or the position indicated by.

As described above, as shown in FIGS. 7 and 8, the link portion 8 having the plurality of shafts, the connecting members, and the like operates either the left operation portion 6 or the right operation portion 7. Even so, the state of the locking means 4 can be switched between the locked state and the unlocked state.
The first axis v1 to the 24th axis v24 are all axes extending in the vertical direction (vertical direction), and members (such as a shaft and a connecting member) that rotate about each axis rotate along a horizontal plane. Will move. Since the plurality of shafts respectively rotate about the vertical axis, these shafts are not accompanied by a vertical position change. Therefore, although the link part 8 is provided under the floor wall 12 of the container main body 2, the vertical space for this link part 8 under this floor wall 12 may be small. As a result, the link portion 8 can be provided below the floor wall 12 of the container body 2 and on the rear side of the insertion port 17 (see FIG. 3) for the fork of the forklift. Can be provided in the region below the height dimension of the insertion opening 17. Thus, since the installation area | region of the link part 8 can be made low about the up-down direction, the volume of the part which accommodates the accommodated material in the container main body 2 can be enlarged about the up-down direction.

  Further, in FIGS. 7 and 8, the container 1 allows the operator to grasp the state of the locking means 4 (locked state or unlocked state) from either the left side or the right side of the container 1 visually. An indicator member (indicator) 10 is provided. The indicating member 10 is provided on each of the left and right sides of the container body 2. The left indicating member 10 is fixed to the shaft 21 so that the left indicating member 10 rotates integrally with the shaft 21 of the left operating portion 6, and the right indicating member 10 is integrated with the shaft 21 of the right operating portion 7. The base end is fixed to the shaft 21 so as to rotate. And as above-mentioned, the left operation part 6 and the right operation part 7 are connected by the left shaft 31 and the right shaft 41, and can operate | move mutually interlock | cooperate. That is, in one of the left operation unit 6 and the right operation unit 7, when the shaft 21 is rotated around the vertical axis using the handle 20, the other shaft 21 is also rotated about the vertical axis. It will be. Thereby, the left and right indicating members 10 can be interlocked with the left and right locking means 4 and the left and right indicating members 10 are also interlocked.

  According to this configuration, the handle 20 is rotated in one direction in one of the left and right operation units 6 and 7, and the left and right lock means 4 in the locked state (FIG. 7) is unlocked via the link unit 8. As shown in FIG. 8, the tip portions of the left and right indicating members 10 are both protruded outward in the left-right direction from the outer surfaces of the left and right side walls 9 of the container body 2. When the worker visually confirms that this state has been established, the worker knows that the locking means 4 is in the unlocked state. Furthermore, the operator can grasp the state of the locking means 4 from either the left side or the right side of the container 1 or from the front of the container 1.

  On the other hand, when the handle 20 is turned in the other direction in one of the left and right operation units 6 and 7, and the left and right locking means 4 in the unlocked state (FIG. 8) is in the locked state (FIG. 9), the left and right indicating members 10 is in a state of being housed inside in the left-right direction with respect to the outer surfaces of the left and right side walls 9 of the container body 2. In this state, the user cannot visually confirm the pointing member 10 hidden behind the side wall 9, and it can be understood that the locking means 4 is in the locked state. Furthermore, when the container 1 is transported by a railway freight car or a transport vehicle, the locking means 4 can be locked to restrict the tailgate 3 from opening, and the contents can be prevented from accidentally leaving the tailgate 3. it can. Since the indicating member 10 is housed inside the side wall 9, the indicating member 10 does not get in the way of conveyance.

  According to the above embodiment, the left and right sides of the container body 2 have the left operation unit 6 and the right operation unit 7, respectively, and the link unit 8 includes the left operation unit 6 and the right operation unit 7. Since the state of the lock means 4 can be switched by operating any of the above, the operator can operate the lock means 4 from either the left side or the right side of the container 1 using the handle 20. The operation of switching the state of the lock means 4 becomes easy. This is particularly useful when the container 1 is mounted on a railway freight car and an operation for switching the state of the locking means 4 is necessary at a station where the platform is only on one of the left and right sides.

In other words, in order to transport this container 1 by rail freight car, when the container 1 is placed on the wagon and the platform is on the left side of the freight car and the other railroad tracks are on the right side, A person can operate the lock means 4 using the left operation unit 6 on the left side of the container 1. Conversely, if this freight car stops at another station and the platform is on the right side of the freight car and there is another railroad track on the left side, the worker is at that station. Can operate the locking means 4 using the right operation section 7 on the right side of the container 1. Further, the instruction member 10 allows an operator or the like to easily check the state of the lock unit 4 from the left side, the right side, or from the front of the freight car, and the lock unit 4 remains unlocked. Thus, the container 1 can be prevented from being conveyed.
Further, when the container 1 is placed on the vehicle in order to transport the container 1 by the transport vehicle, the right operation unit 7 is provided on the side where the driver's seat is present, for example, on the right side of the vehicle. Therefore, the distance between the driver's seat and the right operation unit 7 is short, and the operation of the lock unit 4 is facilitated when the driver is an operator.

  Further, the container of the present invention is not limited to the form shown in the drawings, but may be of another form within the scope of the present invention. For example, in the lock unit 4, the first engagement member 11 is configured to rotate about the height axis C <b> 1 (FIG. 6), but is configured to rotate about the horizontal axis in the horizontal direction (not illustrated). )). Further, the link portion 8 (FIGS. 7 and 8) may have other configurations. For example, the elastic member may not be provided in the first shaft 34a of the operation shaft 34. Further, the configuration has been described in which the indication member 10 rotates around the axis C1 in the vertical direction together with the shafts 21 of the left and right operation units 6 and 7 (FIG. 9). It may be configured to rotate around. Furthermore, the lock means 4 may be engaged with a part of the tailgate 3 in the locked state, and in the above-described embodiment, the lock means 4 sandwiches the rod 18 provided under the tailgate 3. The attachment position of 18 may be other parts, and the rod 18 may be omitted and the lock means 4 may grip a part of the main body of the tailgate 3.

It is a side view at the time of mounting the container of this invention on a transport vehicle, and is the normal state which conveys a container. It is a side view at the time of mounting the container of this invention on a transport vehicle, and is the dumping state which inclined the container back. It is a side view of the partial cross section of a container. It is a rear view of a container. It is a cross-sectional plan view of the locking means. It is the figure which looked at the locking means from the back of a container. It is a bottom view of an operation means, and a lock means is in a locked state. It is a bottom view of the operation means, and the lock means is in the unlocked state. It is explanatory drawing which shows a right operation part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container 2 Container main body 2a Opening part 3 Tailgate 4 Locking means 5 Operating means 6 Left operating part 7 Right operating part 8 Link part 9 Side wall 10 Instruction member 12 Floor wall

Claims (3)

In containers that can be loaded onto railway wagons and transportation vehicles,
A container body having an opening at the rear, and
A tailgate attached to the container body so that the opening can be opened and closed;
Lock means for switching between a locked state that restricts opening of the tailgate in the closed state and an unlocked state that permits opening of the tailgate in the closed state;
Operation means for performing an operation of switching the locking means between the locked state and the unlocked state;
With
The operation means is provided on each of the left and right sides of the container main body, and is operated by any one of a left operation part and a right operation part operated by an operator, and the left operation part and the right operation part. a state and the link unit to switch the, the,
A container provided with an indicating member that is provided on each of the left and right sides of the container body and that indicates the locked state or the unlocked state by interlocking with the locking means . The left and right indicating members protrude from the left and right side walls of the container main body in the unlocked state and outward in the left and right directions, respectively, and are stored in the left and right inner sides than the left and right side walls in the locked state. container according to claim 1 comprising. The link portion has a plurality of shafts connected from the left operation portion and the right operation portion to the locking means, and all of these shafts rotate around an axis in the vertical direction, The container according to claim 1 or 2 provided under a floor wall .

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