KR101085545B1 - Wagons for loading / unloading containers - Google Patents

Abstract

According to the present invention, in a wagon in which a plurality of main bodies are detachably connected to a train vehicle to drive a railroad and a loading surface on which a container is loaded / unloaded is formed in the longitudinal direction of the main body, the container is loaded / unloaded. A horizontal driving means provided on the loading surface for reciprocating between the wagon and the trailer; Vertical driving means provided on one side of the horizontal driving means to move up and down; And a horizontal conveying part provided on an upper side of the vertical driving means and configured to support a lower part of the container, and stably move in a state in which the horizontal conveying part is loaded on the loading surface on which the container is loaded. A wagon capable of loading / unloading a container including a wheel guide portion is provided.

DMT, Container, Trailer, Wagon

Description

Freight car capable of unloading and loading a container}

The present invention relates to a freight car capable of mutually loading / unloading a cargo or container between a freight car and a trailer. More specifically, the present invention relates to a freight car having a horizontal conveying device on a loading surface of a freight car. The present invention relates to a wagon capable of loading / unloading a container capable of unloading the loaded container onto a trailer after horizontally moving between the wagon and the trailer by loading a lower portion of the container loaded on the wagon.

Currently, maritime traffic is increasing due to trade between countries or freight between regions, and logistics transportation using containers continues to increase due to such transportation or trade.

In general, containers are classified into land transport and sea transport, and land transport is classified into air transport and rail transport. At present, the merit is saturated, and efforts are being actively made to increase the amount of transportation through the railway due to accidents caused by long-time operation of trailers and environmental pollution caused by soot. As described above, the rail transport is inexpensive and stable, but the connection area with the airway is limited. In addition, in order to transport a container using a railroad, the container must be stored in a loading dock or a storage facility, and thus, direct delivery (DTD (Door to door)) and real time delivery (JIT (Just in time)) are difficult or impossible.

On the other hand, most of the invoices currently use cranes to load / unload containers between trailers and wagons, but the use of cranes is restricted or impossible since the electric wires are installed in the workplace due to the tramization of locomotives. Development of the transfer method is urgently required.

In order to solve the above problems, a dual mode trailer capable of loading / unloading a container for loading / unloading a container between a trailer and a wagon without using a crane is disclosed in Korean Patent Nos. 774015 and 797200. .

No. 774015 of the above patents relates to rail / road combination transport and unloading railcars of cargo, wherein at least one end of the railcar structure is connected to the end platform by a detachable connection to form a rigid assembly and transport. For the purpose of transmitting all static or dynamic forces generated by towing, transport and unloading, where the end platform of the end platform can be completely released if it is separated for unloading, and between end platforms the position of the end platform during unloading operation. A retaining means is provided for retaining the retainer, and the retaining means do not transmit static or dynamic forces associated with towing, transport and unloading operations, and are disposed in a position receiving lift and rotational force on the rail carrier structure and longitudinally on the railcar. The centerline has a pivot point.

Further, Patent No. 797200 relates to a system and a method for unloading a container using Patent No. 774015, and the container structure is lifted and rotated to load / unload the container from a wagon to a trailer or from a trailer to a wagon. There is a method characteristic to make.

However, in such a conventional patent, since the installation of the rotating means for rotating the carrier structure is essential to the platform of each loading dock, there is a problem that the cost of the effective space and the work space are excessively increased and the cost is significantly increased.

In addition, since the container is loaded / unloaded in a rotational manner, a lot of work space is required, resulting in a complicated system and unloading operation.

In addition, since the loading / unloading operation is possible only on the platform provided with a driving means or a rotating means, there is a problem that the applicability is limited.

Therefore, an object of the present invention is to provide a horizontal conveying apparatus in a wagon without having a separate driving means on the platform of the loading dock and to load a lower portion of a container loaded in the wagon through the horizontal conveying device, thereby horizontally between the wagon and the trailer. The present invention provides a wagon capable of loading / unloading a container capable of unloading the loaded container to a trailer after moving.

On the other hand, the object of the present invention is not limited to the above-mentioned object, other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

To this end, in accordance with the present invention, a plurality of main bodies are detachably connected to a train vehicle to operate a railroad, and in a wagon in which a loading surface on which a container is loaded / unloaded is formed in the longitudinal direction of the main body, the container is loaded / unloaded. A horizontal driving means provided on a loading surface of the wagon to reciprocate between the wagon and the trailer; Vertical driving means provided on one side of the horizontal driving means to move up and down; And a horizontal conveying part provided on an upper side of the vertical driving means and configured to support a lower part of the container, and stably move in a state in which the horizontal conveying part is loaded on the loading surface on which the container is loaded. A wagon capable of loading / unloading a container including a wheel guide portion is provided.

Here, a plurality of container fixing parts which are provided on the loading surface of the wagon to stably support the container and that the loading height of the container correspond to the loading height of the horizontal transport part to facilitate container loading / unloading of the horizontal transport part. It is preferable to further include.

In addition, the horizontal traveling means, the body having a frame opposite to each other in balance; A pair of hydraulic motors installed at both ends of the frame to provide rotational force; A plurality of driving wheels rotatably installed between the frames, the plurality of driving wheels being rotated through the rotational force supplied from the hydraulic motor; And a chain connected between the hydraulic motor and the sprockets provided in the plurality of driving wheels, respectively, so that the rotational force of the hydraulic motor is transmitted to the driving wheel so that the driving wheel reciprocates between the trailer and the wagon. desirable.

In addition, the vertical drive unit, the hydraulic cylinder which is located in the longitudinal direction of the frame at an appropriate position of the frame; Combination link of the 'y>' shape to be folded according to the drive of the hydraulic cylinder; And a stopper provided inside the frame to limit a driving range of the hydraulic cylinder.

In addition, the support portion preferably includes a support bucket to which the upper end of the combination link is fixed.

In addition, the wheel guide portion, the wheel guide is formed in the width direction of the loading surface; Both ends of the wheel guide preferably includes a support for preventing the separation of the horizontal transfer portion.

Therefore, according to the present invention, by providing a horizontal transfer device for horizontal reciprocating movement between the wagon and the trailer while the container is loaded on the wagon, the container between the wagon and the trailer without having a container transport means of a complicated configuration separately installed outside The loading / unloading of the device can be performed simply and stably.

On the other hand, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a configuration of a wagon capable of loading / unloading a container according to a preferred embodiment of the present invention, and FIGS. 2A to 2C respectively illustrate a wagon capable of loading / unloading a container of FIG. 1. 3A to 3C are a perspective view, a plan view, and a side view, respectively, showing a horizontal transfer unit in the freight truck of FIG. 2A.

As shown in FIGS. 1 to 3C, the wagon F capable of loading / unloading a container according to a preferred embodiment of the present invention is provided on a loading surface on which the container C is loaded / unloaded. F / W with container C loaded to load / unload container C to trailer T from F) or to load / unload container C to trailer F from trailer T (F) and the horizontal transfer unit 100 to move between the trailer (T), the container (C) is provided on the loading surface of the wagon (F) loaded / unloaded to stably support the container (C) and horizontal A plurality of container fixing part 200 to facilitate loading / unloading of the container (C) of the horizontal transfer unit 100 so that the loading height of the container (C) corresponds to the loading height of the transfer unit 100 and Control unit 300 for controlling the loading / unloading operation of the container (C) by controlling the components ).

Here, the wagon (F), a plurality of main bodies are detachably connected to the train vehicle (not shown) to run the railroad, the loading surface is loaded in the container C is loaded / unloaded is formed in the longitudinal direction of the main body The horizontal transfer unit 100 by the control unit 300 provided in the control box (not shown) of the side of the train vehicle (not shown) or the wagon (F) when loading / unloading the container (C) on the loading surface ) And the container fixing part 200 is controlled.

In addition, the side of the wagon (F) is further provided with a plurality of triggers 400 for stably supporting the trailer (T) on the bottom of the loading dock, the shaking occurs when loading / unloading the container (C) If the loading surface of the wagon (F) does not have a height corresponding to the loading surface of the trailer (T), it is preferable to change the loading surface height of the wagon (F).

The horizontal transfer unit 100 is provided on the loading surface of the wagon (F) to load / unload the container (C) from the wagon (F) to the trailer (T) or from the wagon (F) to the trailer (T) In order to load / unload the container C, the container C is loaded to move between the wagon F and the trailer T, and the horizontal movement between the wagon F and the trailer T is performed. The driving means 110, the vertical driving means 120 is provided on one side of the horizontal driving means 110 and the lifting operation is provided on the upper side of the vertical driving means 120 and the lifting operation and the lower portion of the container (C) Support means for supporting 130.

4A and 4B are a plan view and a side view, respectively, of the horizontal traveling means in the horizontal transfer part of FIG. 3A.

The horizontal driving means 110, as shown in Figure 4a and 4b, is provided on the loading surface of the wagon (F), a traveling device such as a caterpillar for reciprocating between the wagon (F) and the trailer (T) As a result, a rotational force for reciprocating movement of the horizontal transfer part 100 is provided at both ends between the main body 112 and the main body 112 having the two frames 111 opposed to each other in equilibrium with each other. A pair of hydraulic motors 113, rotatably installed between each of the frames 111 and a plurality of driving wheels 114 that are rotated through the rotational force supplied from the hydraulic motor 113 and the The driving wheel 114 is connected between the sprockets 115 provided in the hydraulic motor 113 and the plurality of driving wheels 114 to transmit the rotational force of the hydraulic motor 113 to the driving wheel 114. Reciprocating between the truck (F) and trailer (T) according to the direction of travel It includes for locking the chain 116. The

The hydraulic motor 113 is for rotating the drive means described below may be installed in plural, preferably formed of a reversible hydraulic motor capable of forward and reverse rotation. That is, the hydraulic motor 113 is extended to one side of the body 113a to which hydraulic pressure is supplied, and the body 113a, and is rotated in the forward or reverse direction under the control of the hydraulic pressure, and the front end is rotatable in the frame 111. It includes a driving rod 113b connected.

Here, the hydraulic pressure supplied to the hydraulic motor 113, can be supplied from the hydraulic supply source provided in the loading dock or terminal, or can be supplied from the hydraulic device installed in the wagon (F), for the hydraulic supply as described above Two servo valves and one relief valve may be mounted on one side of the frame 111 as a block, and three hydraulic hoses from the block may be connected to the hydraulic motor 113 and the hydraulic device. As such, the technical spirit is well known in the art, and thus a detailed description thereof will be omitted.

In addition, the driving wheel 114, the first driving wheel 114a receives the rotational force directly from the hydraulic motor 113 and the second drive wheel 114b receives the rotational force from the first drive wheel 114a. It includes.

In addition, the sprocket 115 is directly connected to the drive rod 113b of the hydraulic motor 113, the drive sprocket 115a which is rotated when the hydraulic motor 114 is rotated, both sides of the first drive wheel 114a. Is connected to the rotating sprocket 115b is rotated when the drive sprocket 115a is rotated and the second driving wheel 114b is connected to the driven sprocket 115c is rotated when the rotation sprocket 115b is rotated Include.

In addition, the chain 116 is connected to the drive sprocket 115a and the rotary sprocket 115b and the drive chain 116a to rotate the first drive wheel 114a when the hydraulic motor 113 is rotated; And a driven chain 116b connected to the rotary sprocket 115b and the driven sprocket 115c to rotate the second driving wheel 114b when the first driving wheel 114a is rotated.

Therefore, according to the horizontal running means 110, when the hydraulic motor 113 is rotated in the state that the hydraulic pressure is supplied to the hydraulic motor 113 from the outside, the drive sprocket 115a connected to the hydraulic motor 113 is rotated In response to the rotation of the driving sprocket 115a, the first driving wheel 114a connected to the rotating sprocket 115b is rotated through the driving chain 116a, and the driven chain is driven according to the rotation of the rotating sprocket 115b. The second driving wheel 114b to which the driven sprocket 115c is connected through 116b is rotated so that the horizontal transfer unit 100 moves between the wagon F and the trailer T.

5A and 5B are a plan view and a side view, respectively, of the vertical driving means in the horizontal transfer part of FIG. 3A.

The vertical driving means 120, as shown in Figure 5a and 5b, is provided on one side of the horizontal driving means 110 as a lifting device such as a lift operation, etc., the proper position of the frame 111 The hydraulic cylinder 121 is located in the longitudinal direction of the frame 111, and the combination link 122 of the 'y>' shape to operate in accordance with the operation of the hydraulic cylinder 121.

The hydraulic cylinder 121 is a cylinder 121a through which hydraulic pressure is supplied or discharged, a driving rod 121b inserted reciprocally into the cylinder 121a, and a cylinder 121a opposite to the driving rod 121b. It is composed of the supporting rod 121c located.

Here, the hydraulic pressure supplied to the cylinder 121a may be supplied from a hydraulic supply source provided at a loading dock or a terminal, or may be supplied from a hydraulic apparatus installed in the wagon F. A solenoid valve may be mounted on one side of the frame 111 and three hydraulic hoses may be connected to the hydraulic device from the solenoid valve, and a counter balance may be further provided inside the cylinder 121a. And may be configured in such a manner as to prevent the driving rod 121b from being suddenly retracted by an external force. Since the technical concept is well known in the art, a detailed description thereof will be omitted.

 The combination link 122 having the 'y>' shape includes a 'y' shaped first link 122a and '> fixed to the driving rod 121b and the support rod 121c of the hydraulic cylinder 121, respectively. And a second link 122b in shape.

Here, the first link 122a, the first articulation piece 122a-1 and the second articulation piece supported by the frame 111 and the support part 130 described below through the first fixing piece 123, respectively. (122a-2), wherein the first joint piece (122a-1) and the second joint piece (122a-2) is the driving rod 121b and the support rod (121c) through the first rotating piece (124) It is rotatably connected to the) is operated to be folded during the operation of the drive rod (121b).

In addition, the second link 122b may include a first joint piece 122b-1 and a second joint piece which are respectively supported by the frame 111 and the support part 130 described later through the second fixing piece 125. And a driving rod 121b and a support rod 121c through the second pivoting piece 126, wherein the first articulation piece 122b-1 and the second articulation piece 122b-2 are connected to each other. It is rotatably connected to the) is operated to be folded during the operation of the drive rod (121b).

Here, the vertical driving means 120, the driving rod 121b by the cylinder 121a on the inner side of the frame 111, that is, the driving rod 121b and the supporting rod 121c of the hydraulic cylinder 121. It is preferable to include a stopper 127 for limiting the elongation distance of the driving rod 121b and the support rod 121c during the operation.

In addition, the hydraulic cylinder 121 is prevented from suddenly retracting the driving rod 121b during the stretching operation of the cylinder 121a for loading the container through the counter balance.

Therefore, according to the vertical driving means 120, the first link (connected to the driving rod 121b and the support rod 121c, respectively) according to the driving rod 121b which is extended and contracted when the hydraulic cylinder 121 is driven. Combination link 122 including the 122a) and the second link (122b) is to be moved up and down vertically so that the support means 130 provided on the upper side of the combination link (122) of the container The lower part will be loaded / unloaded.

6 is a view showing the lifting operation of the support means by the vertical drive means in the horizontal transfer portion of FIG.

The support means 130, as shown in Figure 6, is provided on the upper side of the vertical drive means 120 of the combination link 122 according to the driving of the hydraulic cylinder 121 of the vertical drive means 120 As a supporting means, such as a bucket for supporting the bottom of the container (C) in accordance with the folding operation, and includes a support bucket 131 is fixed to the upper end of the second joint piece (122a-2, 122b-2) of the combination link (122) do.

Here, the front and rear of the support bucket 131, it is preferable that a cone socket such as a support piece (not shown) or container fixing part 200 for stably supporting both sides of the container (C).

Therefore, according to the support means 130 as described above, by loading the lower portion of the container (C) at the corresponding position through the lifting operation by the vertical drive means 120 or unloading the loaded container (C) at the corresponding position can do.

Therefore, according to the horizontal transfer unit 100 as described above, a plurality of horizontal transfer unit 100 is inserted into the space between the loading surface of the wagon (F) and the container fixing part 200 for fixing the lower portion of the container (C). In the state of supplying hydraulic pressure to the hydraulic cylinder 121 of the vertical drive means 120 so that the support means 130 stably loads the lower portion of the container (C) and then the hydraulic motor 113 of the horizontal traveling step 110 ) Is supplied to the hydraulic pressure to move from the wagon (F) to the trailer (T) in the state of loading the container (C), by controlling the hydraulic pressure of the hydraulic cylinder 121 as the support means 130 is lowered The lower portion of the container (C) is supported by a plurality of con sockets (S) provided in the trailer (T) to unload the container (C) from the wagon (F) to the trailer (T), the hydraulic motor ( By controlling the hydraulic pressure of the 113, the horizontal traveling means 110 is moved from the trailer (T) to the wagon (F), the wagon ( The container C loaded in F) can be unloaded into the trailer T.

In addition, according to the horizontal transfer unit 100 as described above, the method of unloading the container (C) loaded on the trailer (T) to the wagon (F) can be easily made by a similar method as described above. Omit.

In addition, the wagon F, as shown in Figure 2c, the loading surface stably in the state that the horizontal transfer unit 100 loaded the container (C) on the loading surface on which the container (C) is loaded It further comprises a wheel guide portion 500 which is disposed on one side of the fixing means 210, such as a socket of the container fixing portion 200 to be described later to move.

The wheel guide part 500 may include a wheel guide 510 formed on one side of a fixing means 210 such as a concave socket of the container fixing part 200 in the width direction of the main body, and the wheel guide 510 of the wheel guide 510. It includes a support (520) for stably supporting the horizontal driving means 110 of the horizontal conveying unit 100 so that the horizontal conveying unit 100 is not separated during the movement of the wagon (F) at both ends.

Here, the wheel guide 510 is installed on the left and right of the driving wheel 114 of the horizontal driving means 110 of the horizontal transfer unit 100 so as to be spaced a predetermined distance to the driving wheel 114 to run. As a driving track for preventing the path of the driving wheel 114 traveling along the wheel guide 510 from being deviated.

In addition, the support 520 is a fixing means for preventing the horizontal conveying unit 100 is separated from the outside when the vehicle (F) running, the rolling operation of the driving wheel 114 of the horizontal driving means (110) It may be implemented in a variety of ways, such as a chain or a rolling prevention jaw forcibly locking, More preferably, the engaging pieces 521 vertically contact both sides of the main body of the horizontal transfer unit 100 and the lower side of the engaging pieces 521 It is coupled movably by a moving member (unsigned) or the like which is slidably moved from one side of the loading surface to a position corresponding to the wheel guide 510, the locking piece is vertically moved when the vehicle (F) is traveling ( Supporting the main body of the 100 and when loading / unloading the container (C) may be moved to one side of the wheel guide 510 through the moving member to release the locking state.

Therefore, according to the wheel guide unit 500, the horizontal transfer unit 100 provided on the loading surface of the wagon (F) can be driven to the trailer (T) in a more stable state.

7A to 7C are perspective views, side cross-sectional views, and operation diagrams showing the operation of the container fixing portion in the wagon of Fig. 2A, respectively.

As shown in FIGS. 7A to 7C, the container fixing part 200 may be formed by the inertia during the movement of the wagon F if the container C does not remain fixed during loading on the loading surface of the wagon F. It is to prevent the container C from falling down, and is provided in the fixed frame 201 formed on the loading surface of the truck F to stably support the lower part of the container C when loading / unloading the container C. It includes a fixing means 210 and the lifting means 220 which is provided between the lower portion and the loading surface of the fixing means 210 to elevate the fixing means 210 when loading / unloading the container (C).

The fixing means 210 is a fastening member for fastening to a fastening groove I formed at a lower surface of the container C when the container C is loaded on the loading surface, that is, the upper frame. An operating tool 213 installed in the cylindrical or hexahedral housing 211 and having a hollow portion 213a projecting upward by the elastic spring 212a and an external load; The locker 215 having a head 214 coaxially installed in the hollow portion 213a and inserted into and fastened to the container C, and having a locking jaw 215a that is in contact with and interlocked when the actuating tool 213 is engaged. A slit groove having a curved surface formed in the tubular groove 215b formed at a predetermined depth from the lower portion to the upper portion of the locker 215 to induce a certain range of rotation during the lowering operation of the locker 215 ( 216, freely via the elastic spring 212b inside the tubular groove 215b. The support shaft 218 fixed to the cover 217 coupled to the bottom of the housing 211 to be slidably and formed on the outer periphery of the upper end of the support shaft 218 to fix a point inserted into the slit groove 216. And a pin 219 to displace the direction of the rocker 215 which is elevated along the slit groove 216 along the axis.

Referring to the operation of the fixing means 210 as described above are as follows.

First, the operating tool 213 installed inside the housing 211 is stopped in the state pushed to the top of the housing by the tension of the elastic spring 212a having a large outer diameter constrained by the lower cover 217, The locker 215 is tensioned by the elastic spring 212b intervening in the support shaft 218 standing up and fixed to the lower cover 217 of the housing 211 and the tubular groove 215b into which the support shaft 218 is inserted. In the state pushed upward by the slit groove 216 formed in the tubular groove 215b and the pin 219 of the support shaft 218 inserted thereto is maintained.

At this time, when the fastening groove I of the container C is loaded to coincide with the head 214 of the locker 215, the operation tool 213 to which the load of the container C is applied is provided in the locker 215. The locker 215 is kept stationary while being lowered by the distance up to the latching jaw 215a so that the head 214 of the locker 215 is completely inserted into the fastening groove I at the initial loading of the container C. It is inserted and kept ready for fastening. Subsequently, when the loading of the container C further proceeds through the preparation state, the locker 215 is simultaneously lowered by the locking step 215a in contact with the lower end of the operation tool 213, and the locker is accompanied by the lowering operation. The curved portion of the slit groove 216 formed in the tubular groove 215b of 215 is guided by the pin 219 of the support shaft 218 and rotated by a range suitable for locking the rocker 215 with the lowering motion. After the descent is completed, the container (C) is to be securely fastened.

On the other hand, in order to unload the container (C) in the state in which the head 214 of the fixing means 210 is fastened to the fastening groove (I) of the container (C), the support of the horizontal transfer unit 100 When the means 130 ascends and further rises while supporting the lower part of the container C, the pressure applied to the actuating tool 213 is removed and at the same time the restoring force of the elastic springs 212a and 212b is applied. Locking is automatically released through the reverse process of the locking process.

Therefore, according to the fixing means 210 as described above, in the process of loading or unloading the container (C) can be automatically locked or unlocked by the weight of the container (C) to secure a large container (C) safely Transportation can be made possible in a fixed state, and it is possible to prevent inconvenience by not operating a means for unlocking or the like as in the prior art.

The lifting means 220 is a lifting member for raising the fixing means 210 by a certain height from the loading surface of the wagon F, provided on the loading surface of the wagon F, that is, the upper frame, and supplied with hydraulic pressure. The lifting and lowering of the cylindrical cylinder 221 and the lifting loader 222 which is provided to be liftable by hydraulic pressure inside the cylinder 221 and has one end fixed to the bottom of the cover 217 of the fixing means 210. And a actuator 223.

Here, the hydraulic pressure supplied to the cylinder 221 of the lifting and lowering actuator 223 may be supplied from a hydraulic supply source provided at a loading dock or a terminal, or more preferably, may be supplied from a hydraulic device installed in the wagon F. .

In addition, the elevating means 220 is not provided in the upper loading surface of the container (C) as described above, but is provided in the lifting portion recessed groove (not shown) formed separately on the loading surface and fixing means 210 from the loading surface. By minimizing the height to the bottom of the container (C) supported in the) it can be possible to support a more stable container (C).

Therefore, according to the elevating means 220 as described above, in order to move the container (C) from the truck (F) to the trailer (T), the vertical driving means of the horizontal transfer unit 100 provided on the loading surface of the truck (F) The support means 130 is lifted by 120 to load the lower part of the container C. In this case, only the hydraulic cylinder 121 provided in the vertical driving part 120 of the horizontal transfer part 100 is used. Since the load corresponding to the weight of the container (C) is transmitted to the hydraulic cylinder 121 during the lifting operation for loading the container (C), the lifting means 220 before the lifting means (130) By the container C is raised to a certain height (for example, the height corresponding to the rising height of the support means 130) to the support means 130 is raised to the horizontal when loading the container (C) Preventing a large load from being transmitted to the vertical driving means 120 of the transfer unit 100 Can and, it is possible to prevent the breakdown due to the excessive load is transmitted to the horizontal transmission 100 through it.

On the other hand, the container fixing part 200 according to a preferred embodiment of the present invention, the holding means 210 for stably supporting the lower portion of the container (C) and the horizontal transfer unit (loading / unloading) of the container (C) ( In order to prevent the overload of the 100 is included, the lifting means 220 for elevating the lower portion of the container (C), which is a height of the horizontal transfer unit 100 is about 30 cm or more and the fixing means 210 Only when the height of less than about 30 cm, the height of the fixing means 210 corresponds to about 30 cm, the configuration of the lifting means 220 may be omitted.

In addition, the horizontal transfer unit 100 according to a preferred embodiment of the present invention, the vertical driving means 120 is configured on one side of the horizontal driving means 110 and the support means according to the lifting operation of the vertical driving means 120 The lower portion of the container C is loaded while the 130 is lifted. However, when the container fixing part 200 has the fixing means 210 and the lifting means 220 as described above, the vertical driving means 120 By omitting the configuration and having only the support means 130 on the upper side of the horizontal traveling means 110 in accordance with the lowering operation of the elevating means 220, the container (C) to the support means 130 of the horizontal transfer unit 100 May be loaded. In this case, the container (S) is configured on the loading surface of the trailer (T) to be unloaded and loaded has a configuration corresponding to the lifting means 220 of the container fixing part 200. desirable.

The control unit 300 is capable of the normal operation of the horizontal movement of the horizontal transfer unit 100 by the horizontal driving means 110 and the loading or unloading state of the container C by the vertical driving means 120. As a control means for making, the acceleration and deceleration sensor 311 and the horizontal driving encoder 3122 for detecting the rotation speed of the hydraulic motor 113 of the horizontal driving means 110 to determine the moving speed and the moving distance, respectively, Lift limit switch 313 for determining whether the support means 130 is elevated by the combination link 122 folded by the hydraulic cylinder 121 of the vertical drive means 120, the vertical drive means 120 Alternatively, the ultrasonic sensor 314 for determining the lifting height of the support means 130, the fixing means 210 of the container fixing part 200 provided on the loading surface of the truck F is connected to the cone socket (T) of the trailer (T). Detect the alignment of the fixing means 210 and the cone socket (S) to have a position corresponding to S) The sensor means 310, the horizontal transfer unit 100 and the sensor means including a position sensor 315 and the separation limit switch 316 for detecting that the container (C) is separated from the fixing means 210 and the like; Control means 320 for controlling the loading or unloading of the container (C) on the basis of the determination result from the sensor means 310 and the control for the operation of the components connected to the container fixing part 200 And input means 330 such as a remote controller for inputting a signal.

Here, the control unit 300 may be operated through a wire / wireless communication with a control box provided on one side of the wagon F, and more preferably, integrally with the control box of the wagon F. good.

Therefore, according to the control unit 300, it is possible to stably run between the wagon (F) and the trailer (T) through the horizontal driving unit 110 and through the lifting operation of the vertical drive unit 120 through the support unit ( 130, the lower part of the container may be loaded or unloaded stably.

Hereinafter, a method and effects of loading / unloading a container using a wagon capable of loading / unloading a container according to an exemplary embodiment of the present invention will be described in detail.

FIG. 8 is a view schematically illustrating a process of loading / unloading a container into a trailer T by the wagon of FIG. 2A.

As shown in FIG. 8, in order to load / unload the container C loaded in the wagon F into the trailer T, first, the loading surface of the wagon F and the lower surface of the container C, namely, The horizontal transfer part 100 is installed between the fixing means 210 of the container fixing part 200 fastened to the fastening groove I of the container C. Of course, the loading surface of the trailer (T) is preferably provided with a cone socket (S) to be fastened to the fastening groove (I) of the container (C).

In this state, for example, when the trailer (T) enters the loading station and unloads the container (C) loaded on the freight car (F) into the trailer (T), the horizontal transportation unit 100 is moved horizontally by the operator. A hydraulic supply source is connected to the hydraulic motor 113 of the traveling means 110, the hydraulic cylinder 121 of the vertical driving means 120, and the elevating actuator 223 of the container fixing part 200. Hydraulic pressure is supplied.

Subsequently, when the vertical driving means 120 is operated by supplying hydraulic pressure to the hydraulic cylinder 121 of the vertical driving means 120 of the horizontal transfer unit 100 or controlling the entry and exit, the cylinder of the hydraulic cylinder 121 ( As the driving rod 121b extends from 121a, the support means 130 is lifted by the combination link 122.

Subsequently, as the supporting means 130 is elevated, the locking means 210 of the container fixing part 200 fastened to the fastening groove I of the container C is released to the supporting means 130. Container C is to be loaded.

Here, in order to unload the container (C) in the state in which the head 214 of the fixing means 210 is fastened to the fastening groove (I) of the container (C), the support of the horizontal transfer unit 100 When the means 130 ascends and further rises while supporting the lower portion of the container C, the elastic springs 212a and 212b are pressed into the housing 211 by the load of the container C. The pressure of the actuating tool 213 and the locker 215 is removed so that the actuating tool 213 protrudes to the outside of the housing. At this time, the locking jaw 215a is in contact with the lower end of the actuating tool 213. The rocker 215 is simultaneously raised by the rocker 215 and the curved surface portion of the slit groove 216 formed in the tubular groove 215b of the rocker 215 is guided by the pin 219 of the support shaft 218 together with the lifting operation. After 215 is rotated by a range suitable for unlocking, the ascent is completed to lock the head 214 from the fastening groove I of the container C. It is completely disabled.

On the other hand, the process of loading the container (C) to the support means 130 as described above, when the container fixing part 200 has the lifting means 220, the hydraulic cylinder 121 of the horizontal transfer unit 100 By supplying or controlling hydraulic pressure to the elevating actuator 223 of the elevating means 220 without using a so that the elevating rod 222 is lowered into the cylinder 221, the fastening groove (I) of the container (C) ) May be lowered to be unlocked from the fixing means 210 and loaded at the same time as the supporting means 130.

As described above, when the container (C) is loaded on the support means 130 of the horizontal transfer unit 100, the hydraulic pressure is supplied to the hydraulic motor 113 of the horizontal traveling means 110 or the hydraulic pressure to enter and exit in the forward direction In operation, the driving sprocket 115a connected to the hydraulic motor 113 rotates forward, and the first driving wheel 114a connected to the rotating sprocket 115b through the driving chain 116a according to the forward rotation of the driving sprocket 115a. ) Is rotated forward, and the second driving wheel 114b connected to the driven sprocket 115c is forwardly rotated through the driven chain 116b according to the forward rotation of the rotary sprocket 115b, so that the horizontal transfer unit 100 is a wagon ( It moves between F) and the trailer (T).

At this time, the horizontal transfer unit 100 has a more stable loading state by the wheel guide 510 of the wheel guide unit 500 installed on the loading surface of the truck (F) and can move to the loading surface of the trailer (T). .

In the above state, when the driving rod 121b is pulled from the cylinder 121a of the hydraulic cylinder 121 by blocking or controlling the supply of hydraulic pressure to the hydraulic cylinder 121 of the vertical driving means 120, the combination link The support means 130 is lowered by the 122.

Thereafter, when the support means 130 is lowered as described above, the fastening groove I of the container C is fastened to the cone socket S of the trailer T, and the horizontal conveying part 100 is The vertical driving means 120 is in its original position, that is, the support means 130 is completely separated from the fastening groove I of the container C to have a free movement state.

Here, the process of loading the container (C) from the support means 130 to the cone socket (S) of the trailer (T), when the cone socket (S) has a lifting member, the cone socket (S) If the horizontal transfer unit 100 is moved to the loading surface of the trailer (T) in the state that is lowered by the elevating member, the container (C) of the container (C) in the process of causing the elevating member to rise again The fastening groove I may be fastened and loaded.

In the above state, in order to return the horizontal transfer unit 100 back to the freight car (F), by supplying or controlling the hydraulic pressure to the body (113a) of the hydraulic motor 113 of the horizontal traveling means 110 drive rod ( When the reverse rotation of the 113b), the drive sprocket 115a connected to the hydraulic motor 113 is reversed, the rotary sprocket 115b through the drive chain 116a in accordance with the reverse rotation of the drive sprocket 115a. The connected first driving wheel 114a is reversely rotated, and the second driving wheel 114b connected to the driven sprocket 115c is reversely rotated through the driven chain 116b according to the reverse rotation of the rotary sprocket 115b. The horizontal transfer unit 100 is moved between the trailer (T) and the wagon (F), thereby completing the loading / unloading of the container (C) from the wagon (F) to the trailer (T).

Thereafter, the container C may be fixedly fastened to the trailer F, and the trailer T may be moved toward the destination.

Conversely, when loading / unloading the container C from the trailer T to the wagon F, similarly to the process of loading / unloading the container C from the wagon F to the trailer T Proceed.

First, in the state in which the fastening groove I of the container C is fastened and fixed to the cone socket S of the trailer T, the horizontal driving means 110 of the horizontal transport unit 100 from the loading surface of the truck F. ) Is driven to move the horizontal transfer unit 100 between the loading surface of the trailer (T) and the bottom of the container (C).

Thereafter, the support means 130 is lifted and lowered by the vertical driving means 120 of the horizontal transfer unit 100, and the lower portion of the container C is loaded.

Thereafter, the horizontal driving means 110 of the horizontal transfer unit 100 is driven back to move the horizontal transfer unit 100 from the loading surface of the trailer (T) to the loading surface of the truck (F).

Subsequently, the support means 130 moves downward by the vertical driving means 120 of the horizontal transfer part 100, and the fastening groove I of the container C is fixed to the container fixing part 200. Is fastened and fixed) to complete the loading and unloading of the container C between the trailer T and the wagon F.

Here, the fastening groove of the container C in the state in which the operating port 213 and the locker 215 of the fixing means 210 is pushed to the top of the housing 211 by the tension of the elastic springs (212a, 212b) ( When I) is loaded to coincide with the head 214 of the locker 215, at the beginning of loading, the locking jaw 215a provided with the locker 215 is provided with an operating tool 213 to which the load of the container C is applied. While the locker 215 is lowered by the distance to reach the lock state 215, the lock 215 of the head 214 of the locker 215 is completely inserted into the fastening groove (I) to maintain the ready state for the fastening. Subsequently, when the loading of the container C further proceeds through the preparation state, the locker 215 is simultaneously lowered by the locking step 215a in contact with the lower end of the operation tool 213, and the locker is accompanied by the lowering operation. The curved portion of the slit groove 216 formed in the tubular groove 215b of 215 is guided by the pin 219 of the support shaft 218 and rotated by a range suitable for locking the rocker 215 with the lowering motion. After the lowering is completed, the insertion groove I of the container C is stably fastened by the head 214.

On the other hand, the operation of loading the container (C) from the trailer (T) to the horizontal transport unit 100, and the operation of unloading the container (C) on the loading surface of the truck (F) from the horizontal transport unit (100) In the above, the operation of the vertical drive means 120 of the horizontal transfer unit 100 and the fixing means 210 and the lifting means 220 and the lifting means 220 and the trailer (T) of the container fixing part 200 to the socket (S) Selective operation control of the provided lifting member will be apparent to those skilled in the art will be fully understood, so a detailed description thereof will be omitted.

In addition, when loading / unloading the container C, the moving speed and position of the horizontal driving means 110 of the horizontal transfer unit 100 from the sensor means 310 of the control unit 300, the vertical driving means 120 The normal loading / unloading state of the container (C) and the position alignment for stable operation between the wagon (F) and the trailer (T) before the loading / unloading of the container (C) is determined and It is preferable that the control means 320 enables stable control according to the control signal of the corresponding input means 330.

Therefore, according to the above, by the horizontal transfer unit for horizontal reciprocating movement between the wagon and the trailer with the container loaded on the wagon, the container between the wagon and the trailer without having to provide a container transport means of a complex configuration separately installed The loading / unloading of the device can be performed simply and stably.

In addition, the lower part of the container corresponds to the operation height of the horizontal conveyer by the container fixing part for fixing the container to the wagon, thereby loading the load according to the load of the container transferred to the horizontal conveyer when loading the container of the horizontal conveyer. By minimizing it, the horizontal transfer unit can be easily operated.

In addition, the lower portion of the container is lifted to correspond to the operation height of the horizontal transfer unit by the fixing unit for fixing the container to the wagon, load according to the load of the container transferred to the horizontal transfer unit when loading the container of the horizontal transfer unit By minimizing the horizontal transfer unit can be easily operated.

Although the present invention has been described with reference to the specific embodiments, various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the invention is not to be determined by the embodiments described, but should be determined by equivalents of the claims and the claims.

1 is a block diagram showing the configuration of a wagon capable of loading / unloading a container according to an embodiment of the present invention;

Figures 2a to 2c is a perspective view, a plan view and a side view showing a wagon capable of loading / unloading the container of Figure 1, respectively;

3A to 3C are a perspective view, a plan view, and a side view, respectively, showing a horizontal transfer unit in the wagon of Fig. 2A;

4A and 4B are a plan view and a side view, respectively, of the horizontal traveling means in the horizontal conveying part of FIG. 3A;

5A and 5B are a plan view and a side view, respectively, showing vertical driving means in the horizontal conveying part of FIG. 3A;

Figure 6 is a view showing the lifting operation of the support means by the vertical drive means in the horizontal conveying portion of Figure 3a;

7A to 7C are perspective views, side cross-sectional views, and operation diagrams showing the operation of the container fixing portion in the wagon of Fig. 2A, respectively; And

FIG. 8 is a view schematically illustrating a process of loading / unloading a container into a wagon by the wagon of FIG. 2A.

Claims (5)

In the wagon F, in which a plurality of main bodies are detachably connected to the train vehicle to drive a railroad, and a loading surface on which the container C is loaded / unloaded is formed in the longitudinal direction of the main body, A horizontal driving means (110) provided on the loading surface of the wagon (F) in which the container (C) is loaded / unloaded to reciprocate between the wagon (F) and the trailer (T); Vertical driving means 120 provided at one side of the horizontal driving means 110 to move up and down; And It is provided on the upper side of the vertical drive means 120 and the lifting operation and the horizontal transfer portion 100 consisting of a support means 130 for supporting the lower portion of the container (C), Loading / loading of the container, characterized in that it comprises a wheel guide portion 500 to move stably in the state in which the horizontal transfer unit 100 is loaded container (C) on the loading surface on which the container (C) is loaded Unloading wagons. The method of claim 1, wherein the horizontal traveling means 110, A main body 112 having mutually balanced and opposing frames 111; A pair of hydraulic motors 113 provided at both ends between the frames 111 to provide rotational force; A plurality of driving wheels 114 rotatably installed between the frames 111 and rotatably operated through a rotational force supplied from the hydraulic motor 113; And It is connected between the sprockets 115 provided in the hydraulic motor 113 and the plurality of driving wheels 114, respectively, so that the rotational force of the hydraulic motor 113 is transmitted to the driving wheel 114, the driving wheel ( A wagon capable of loading / unloading a container, characterized in that it comprises a chain (116) for reciprocating between the trailer (T) and the wagon (F). The method of claim 2, wherein the vertical drive means 120, A hydraulic cylinder 121 positioned in a longitudinal direction of the frame 111 at an appropriate position of the frame 111; Combination link 122 for folding operation in accordance with the drive of the hydraulic cylinder 121; And A wagon capable of loading / unloading a container, which is provided inside the frame 111 and includes a stopper 127 for limiting a driving range of the hydraulic cylinder 121. The method of claim 3, wherein the support means 130, A wagon capable of loading / unloading a container, characterized in that it comprises a support bucket (131) to which the upper end of the combination link (122) is fixed. The method of claim 1, The wheel guide part 500, A wheel guide 510 formed in a width direction of the loading surface; Wagons capable of loading / unloading a container, characterized in that it comprises a support (520) to prevent the separation of the horizontal transfer unit 100 at both ends of the wheel guide (510).

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