KR100613443B1 - Locking apparatus of container for a railway vehicle - Google Patents

Abstract

The present invention relates to a container locking device for a railroad car, and in particular, a hinge piece is protruded from one side of an outer bottom, and an inner upper surface of the socket base is provided with an access hole, and at the same time, the anti-rotation groove is provided in the socket base. A housing having a cylinder passage hole and a cover provided with a foreign substance discharge hole; A rocking protrusion protruding from an upper surface thereof, and a rocker having a socket coupling portion and a cylinder successively protruding from a bottom thereof; A socket coupled to the socket coupling portion of the locker and fitted into the coupling hole of the container; A spring elastically installed between a bottom surface of the socket coupling portion of the locker and an upper surface of the cover; A holder having one end portion and an intermediate portion, respectively having a locking projection, and the other end portion of which is hung on the hinge piece of the housing and selectively coupled to the handle; And a handle fixedly installed at a lower end of the locker, the cutout groove being formed at one end thereof in the longitudinal direction.

Therefore, the locking device can be driven with a small force when the container is fixed to the truck, and the safety can be greatly secured during transportation by fixing it more easily and completely, and the assembly and operation are very simple, accurate and strong. The locking state can be maintained even by vibration or the like.

 Wagon, container, locking

Description

Locking apparatus of container for a railway vehicle

1 is an exploded perspective view of the device of the present invention.

2 is a cross-sectional view of the locker and the socket of the present invention inserted into the housing.

Figure 3 is a cross-sectional view of the locker and the socket of the present invention exposed to the outside of the housing.

4 is a cross-sectional view when the handle is first rotated to lock the container using the device of the present invention.

Fig. 5 is a sectional view when the container is locked using the apparatus of the present invention.

6 is a plan view in the FIG. 3 state;

7 is a plan view in the state of FIG. 4;

Explanation of symbols on the main parts of the drawings

1: container 2: wagon

3: housing 4: cover

5: locker 6: socket

7,63: spring 8: holder

9: handle 11: coupling groove

31: hinge 32: access hole

33: socket base 34: anti-rotation groove

41: cylinder passage hole 42: foreign matter discharge hole

51: locking protrusion 52: socket coupling portion

53: cylinder 54,55: washer or ring stopper

61 through hole 62 ball

64: bolt 65: thread

66: groove 67: grease injection hole

68: grease injection port 81,82: locking projection

91: notch groove 92: inclined surface

93: flat part 521: limited rotation groove

The present invention relates to a container locking device for a railroad car, and more particularly, to a container for transporting freight (hereinafter, referred to as "wagon") to lock the container to be transported to the truck, the locking device is a heavy object even with a small force It can be operated, and it is invented to be able to secure more easily and completely secured significantly during transportation.

In general, container freight cars can be loaded with 20 feet, 40 feet, and 60 feet of containers according to ISO standards.In some cases, one or two 20 feet containers or 20 feet and one 40 feet can be loaded together. It can be loaded and can hold one 60-feet container.

In this way, the container loaded on the upper plate of the wagon is fixed by a container locking device between the upper plate of the wagon and the bottom frame of the container so that the container is not separated by the centrifugal force during the vibration of the vehicle or the curved running.

The container locking device is installed to be fixed to 2-3 20ft container of the top of the wagon.

The locking device installed as described above does not interfere with the loading of the container when the 20ft container is loaded, but when the container of the larger size is loaded, the locking device installed in the middle is used for loading the container. Since it is obstructive, it is necessary to remove the locking device which is not used for fixing the container so that the container can be loaded and fixed at the desired position.

Conventional container locking device of a containerized freight car has been disclosed a registered Utility Model Publication No. No. 0137572 (notice date 1999. 03. 02), which is a "lock housing fixed to the upper body of the wagon in which the container is loaded and 1. A container locking device for a container transporter consisting of locks installed vertically to move up and down and rotationally in a housing, wherein the stopper is installed inside the lock housing, and the socket is installed on the lock to be caught by the stopper. Is installed, the lock is provided with a handle is to be able to move and rotate the lock, the outer wall of the lock housing is configured to install a handle holder for holding the handle ".

However, the container locking device of the container freight car of such a configuration is a manual type, and in this case, a heavy locking device itself, that is, a rocker has to be lifted and worked by the worker through the lower handle, and each component takes a lot of force. The welding device is fixed to each other as well as the locking device itself is welded and fixed directly to the wagon. As the deformation and position of each component are unstable, securing of the upper and lower motion guide surfaces of the locks and operating mechanisms is unstable due to dimensions and position deformations, and parts replacement. It is not easy to maintain the back, and when the lower handle is lifted by the operator's hand when the lock and stopper actuator is operated up and down, the guide surface of the actuator is not secured, so the center of the actuator is pulled to one side, which makes it difficult to move the actuator upward. There is a problem that the skill of the operator is required.

In addition, a container locking device developed for a trailer has been disclosed in Korea Patent Publication No. 10-0351793, which is installed in the housing of the cylindrical body mounted on the upper frame of the trailer by the elastic spring elasticity and external load A locker having an operating tool having a hollow portion projecting upwardly, a head portion installed coaxially with the hollow portion of the operating tool and inserted into a container, and having a locking jaw interlocked with and interlocked during an immersion operation of the operating tool, A slit groove is formed in the tubular groove by a predetermined depth from the bottom toward the upper portion thereof, and is formed in the tubular groove, and has a slit groove having a curved surface to be rotated to a certain range when the locker is lowered, and the inside of the tubular groove A support shaft fixed to the cover coupled to the bottom of the housing so as to freely slide through the elastic spring, It has a structure including a pin that allows group is formed on the upper outer periphery support shaft displaces the orientation of the rocker that is elevated along the slit groove of the insertion point to the slit groove in the fixed shaft.

However, such a configuration is not only expensive to produce a lot of components because of its components, but also high failure rate, and in particular, a slit groove is formed on the locker so that the pins on the support shaft can be inserted to raise and lower frequently. When the pins of the support shaft fitted on the slit groove are worn or damaged, the locking state of the container itself cannot be released and the container cannot be separated from the trailer. There is a problem in that the hanging distance is maintained by protruding to the outside of the trailer.

Meanwhile, an automatic locking device for a container for loading a ship has also been developed and disclosed in Korea Registration Utility Model No. 20-0287585, which is "a locking pin, a spring and a ball located in the slit groove of the lower locker and the seating surface on which the protruding piece of the operating port is seated. Each of the housing has an insertion hole to be inserted, a tapered incision formed to allow the locking pin to enter the inner hollow portion, and a locking groove into which the locking jaw formed in the lower locker is inserted, and a protrusion jaw contacting the corner casting of the container. An elastic spring having an operating tool which is formed to be movable up and down in the housing, an upper locking head which locks in the corner casting of the container, and a rotating hole formed with a seating groove for seating the ball located in the insert of the housing. The upper locker protruding out of the through hole of the lower locker through the center of the actuating tool And a through hole through which the upper locker penetrates, a locking jaw inserted into the locking groove of the operating port, a lower locking head locking in corner casting of the container, and a slit groove into which the locking pin formed at the bottom of the housing is inserted. And a lower rocker coupled to the central hollow portion of the actuating tool.

However, such a configuration has not only a large number of components, but also a complicated structure, which leads to a high price of the product, a high failure rate, and a separate container from the locking device when the container for locking or releasing the locked state is used. It is inconvenient to rotate the rocker using the formed portable lever, and the locking device itself is configured to be carried without being directly fixed to a ship, a trailer or a wagon, and thus there is a problem in transportation and storage. When loading the container, there is a hassle to install one by one at each corner of the container.

The present invention has been made in order to solve the above-mentioned problems in the prior art by directly fixed to the wagons in which the container is loaded, when fixing the container to the wagon without heavy force by the elastic force of the spring installed in itself Not only can you operate the in-locking port, but also it can be secured simply and completely, so that the safety of transportation can be secured greatly. Also, the railroad can be locked even by strong vibration, etc. It is an object of the present invention to provide a container locking device for a vehicle.

Aspects of the present invention for achieving the above object, the outer bottom surface side is provided with a hinge piece protruding and the inner upper surface is provided with a socket base jaw is formed, the socket base jaw is a rotation preventing groove for preventing the rotation of the socket A housing having a configuration in which a cover having a cylinder passage hole and a foreign substance discharge hole is coupled to the bottom opening, the housing being fixed to the wagon; A locker protruding from an upper surface of the locking protrusion, and having a configuration in which the socket coupling portion and the cylinder are successively protruded and installed in the housing so as to move up and down and rotate; A socket coupled to the socket coupling portion of the locker and fitted into the coupling hole of the container; A spring inserted outside the cylinder of the locker and elastically installed between the bottom of the socket coupling part and the top surface of the cover to generate an elastic force to move the locker and the socket to an upper portion of the housing; A holder having one end portion and an intermediate portion, respectively having a locking projection, and a second end portion of which is hung on a hinge piece of the housing, and selectively coupled with a handle to maintain the position of the locker; It has a configuration in which the cutting groove is fitted in the longitudinal direction at one end and is fixedly installed at the lower end of the locker, the user is forced to lower the locker or the locker is operated by the operation of the holder in the raised or lowered position Handles to maintain the state; the basic features of the configuration.

In addition, the upper and lower cylinders of the locker are each provided with a washer or a ring stopper to determine the lifting limit of the locker, and at the same time characterized in that it can mitigate the impact force generated during the lifting.

In addition, the upper surface portion of the notched groove formed on one end of the handle is formed by the inclined surface of the upper gradient from the end to the inner side when engaging the holder to the handle is characterized in that the engaging projection of the holder is smoothly sliding along the inclined surface to be coupled. It is done.

On the other hand, the rotational coupling grooves are formed in the periphery of the socket coupling portion of the locker, and a through hole is drilled in one side of the socket, and the spring is provided with a ball that is caught by the rotation restriction groove in the through hole and the spring provides elastic force. And a bolt coupled to a thread formed in the through hole to prevent the ball and the spring from being separated from the through hole.

In addition, the other side portion of the socket is characterized in that the groove and the grease injection hole is formed in succession, and the grease injection hole is provided at the end of the grease injection hole.

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

Figure 1 is an exploded perspective view of the device of the present invention, Figure 2 is a cross-sectional view of the locker and the socket of the device of the present invention is inserted into the housing, Figure 3 is a locker and the socket of the device of the present invention exposed to the outside of the housing 4 is a cross-sectional view when the handle is first rotated to lock the container using the device of the present invention, FIG. 5 is a cross-sectional view when the container is locked using the device of the present invention, and FIG. It is a top view in 3 states, and FIG. 7 is a top view in FIG.

Accordingly, the container locking device for a railroad vehicle of the present invention includes a socket support jaw 33 having a hinge piece 31 protrudingly formed on one side of an outer bottom thereof and an entrance hole 32 formed on an upper surface thereof, wherein the socket support jaw 33 is provided. A housing 3 having a configuration in which an anti-rotation groove 34 is formed on the upper surface of the socket 6 to restrict the rotation of the socket 6;

A cover (4) having a cylinder through hole (41) in the center and having a configuration in which foreign material discharge holes (42) are provided on both sides thereof and detachably coupled to the bottom opening of the housing (3);

Locking protrusions 51 are formed on the upper surface protruding and the lower portion of the lock engaging portion 52 and the cylinder 53 has a configuration in which the protrusion is formed in succession and the locker is installed in the housing (3) to move up and down and rotate ( 5) and;

When the container 1 is coupled to the socket coupling portion 52 of the locker 5 rotatably, the coupling groove 11 of the container 1 and the socket of the housing 3 when the container 1 is coupled to the upper portion of the locker 5. When locking the container 1 by the locker 5 by the anti-rotation groove 34 formed in the supporting jaw 33, only the locker 5 is rotated to fix the container 1 to the wagon 2. (6);

 The locker 5 and the socket 6 are moved upwardly of the housing by being fitted outwardly of the cylinder 53 of the locker 5 to be elastically installed between the bottom of the socket coupling portion 52 and the top of the cover 4. A spring 7 for generating an elastic force so as to be possible;

One end portion and an intermediate portion are provided with locking projections 81 and 82, respectively, and the other end has a configuration axially hinged to the hinge piece 31 of the housing 3, and is selectively coupled with the handle 9 to locker 5 Holder (8) for maintaining the position of;

It has a configuration in which the notch groove 91 is formed in which the holder 8 is fitted in the longitudinal direction at one end and is fixedly installed at the lower end of the locker 5 so that the holder 8 at the position where the locker 5 is raised or lowered. It is characterized by consisting of; a handle (9) for the locker (5) to maintain the state by the).

In addition, the upper and lower portions of the cylinder 53 of the locker 5 (that is, the lower end of the socket coupling portion 52 and the outside of the cover 4 are exposed to the free end of the cylinder 53 to which the handle 9 is coupled). ) Is provided with a washer or a ring stopper (54) (55), respectively, to determine the limit value according to the lifting and lowering of the locker (5) and at the same time characterized in that it is possible to mitigate the impact force generated during the lifting.

In addition, the handle 9 formed with the notch groove 91 forms an inclined surface 92 of the upper gradient from the end to the inside to engage the holder 8 with the handle 9. 81 and 82 are slid smoothly along the inclined surface 92 to be hung on the flat portion 93.

Meanwhile, rotation limiting grooves 521 are formed at the periphery of the socket coupling part 52 of the locker 5, and through holes 61 are drilled at one side of the socket 6, and the through hole 61 is formed. The ball 62 which is elastically fitted to the rotation restriction groove 521 and the spring 63 which provides elastic force to the ball 62, and the ball 62 and the spring 63 are through holes 61. It is characterized in that the bolt 64 is installed to be coupled to the screw thread 65 formed on the inner wall of the through-hole 61 so as not to be separated from.

In addition, the other side portion of the socket 6 is formed with a concave groove 66 and a grease injection hole 67 in succession, and a grease injection hole 68 is provided at the end of the grease injection hole 67. It is done.

Referring to the operation and effect of the container locking device of the present invention configured as described above are as follows.

First, the housing (3) where various components are installed is fixedly installed at the bottom edges of the container (1) of various sizes in the wagon (2), wherein the housing (3) is hinged to one side of the outer bottom surface. A piece 31 is formed to protrude, and the upper surface of the socket support jaw 33 and the socket 6 are provided with a locking protrusion 51 of the locker 5 and an access hole 32 through which the socket 6 enters and exits. The anti-rotation groove 34 is provided on the socket support step 33 to prevent the damage.

In the above, the outer shape of the housing 3 may have a cylindrical shape or a rectangular cylindrical shape as shown in FIG. 1, but such an external shape may have any shape since there is no difference in its function. Do.

In the housing 3, a portion of the bottom surface opening is blocked by the cover 4 having the foreign matter discharge holes 42 on both sides after the locker 5 and the spring 7 are seated in the socket 6. The locker 5 and the socket 6 have a form to be exposed through the upper entrance hole 32 of the housing 3 by the elastic force of the spring (7).

At this time, the locker 5 has a structure in which the locking protrusion 51 is formed on the upper surface of the locker 5, and the socket coupling portion 52 and the cylinder 53 are successively formed at the bottom of the locker 5. Has a form rotatably coupled to the socket coupling portion 52 of the locker (5).

In addition, at the periphery of the socket coupling portion 52 of the locker 5, a plurality of rotation limiting grooves 521 are formed at a predetermined angle (about 90 degrees), and inward from one protrusion of the socket 6. The through hole 61 is drilled, as well as the ball 62 and the spring 63 are sequentially placed in the through hole 61, the thread 65 formed on the outer inner wall of the through hole 61 It has a form that is fixed by the bolt 64 is coupled.

Therefore, the socket 6 receives the elastic force of the spring 63 when the locker 5 is rotated by the user's handle 9 and is fitted into the rotation limiting groove 521 of the socket coupling part 52. It is basically based on the rotation of the ball 62 with the socket 6.

However, if the socket 6 is inserted into the coupling groove 11 of the container 1 or seated in the anti-rotation groove 34 of the socket base jaw 33, the socket 6 is applied from the outside of the socket 6. Since the locking pressure of the coupling groove 11 and the anti-rotation groove 34 is greater than the elastic force of the spring 63, the spring 63 is applied when the locker 5 is rotated by the user's handle 9. Since the ball 62 caught in the rotation restriction groove 521 of the socket coupling portion 52 escapes from the rotation restriction groove 521 and performs a rolling motion along the outer circumferential surface of the socket coupling portion 52, the socket 6 is provided. Retains its state (i.e., it fits or rests in the anti-rotation groove 34 of the socket 1 or the socket 11 of the container 1) and only the locker 5 houses the housing 3. ) And the inside of the socket (6).

Meanwhile, the groove 66 and the grease injection hole 67 are successively formed and drilled on the other side of the socket 6, and the grease injection hole 68 is installed at the end of the grease injection hole 67.

Therefore, the socket 6 itself does not rotate smoothly at the socket coupling portion 52 of the locker 5 due to the long term use of the socket 6 being fixed to the socket coupling portion 52 of the locker 5. If not, the grease may be injected between the inner circumferential surface of the socket 6 and the outer circumferential surface of the socket coupling portion 52 through the grease injection hole 68 and the grease injection hole 67 so that they can be smoothly rotated with each other.

At this time, since the grease injection hole 68 has a shape inserted into the recess 66 formed in the other side of the socket 6, the socket 6 enters or exits the access hole 32 of the housing 3 or the container ( When entering and leaving the coupling groove 11 of 1) will not cause any trouble.

In addition, the hinge piece 31 of the housing 3 is provided with a holder 8 having locking projections 81 and 82 at one end and an intermediate part, respectively, and the cylinder passage hole 41 of the cover 4. At the cylinder end of the locker (5) protruding through the structure (1), a handle (9) having a notch groove (91) into which the holder (8) is fitted in the longitudinal direction at one end is provided.

In addition, the locker 5 is exposed to the bottom of the socket coupling portion 52, which is the upper and lower portions of the cylinder 53, and the free end of the cylinder 53 to which the handle 9 is coupled to the outside of the cover 4. Washers or ring stoppers 54 and 55 are provided to determine the limit values according to the lifting and lowering of (5) and to alleviate the impact force generated during the lifting and lowering, respectively.

In addition, the engaging projections 81 and 82 of the holder 8 are coupled to the upper surface of one end of the handle 9 in which the notch groove 91 is formed as described above when the holder 8 is coupled to the handle 9. It has a configuration in which the inclined surface 92 of the upper gradient is formed from the end to the inner side so as to be smoothly slid to be caught by the flat portion 93.

On the other hand, when the apparatus of the present invention is installed in the wagon 2 and the holder 8 is separated from the handle 9, the housing 3 through the cover 4 is fitted to the outside of the cylinder 53 of the locker 5. The upper part of the locker 5, that is, a part of the socket coupling part 52 in which the locking protrusion 51 and the socket 6 are installed, is formed by the elastic force of the spring 7 installed in the upper part of the housing 3. Through the substantially rectangular entrance hole 32 formed in the base jaw 33 maintains the form protruding to the outside as shown in the solid line of FIG.

At this time, when the holder 8 is detached from the handle 9, only a part of the locker 5 and the socket 6 provided in the housing 3 can pass through the entrance hole 32 of the housing 3. The reason for maintaining the shape of protruding outward like the solid line 3 is that the elastic force of the spring 7 is less than the total weight of the handle 9 including the locker 5 in which the socket 6 is installed. Because I did.

As described above, when a part of the locker 5 protrudes upward through the entrance hole 32 of the housing 3, the locking device installed in the middle of the wagon is positioned in the middle of the container when the container of the large size is loaded. The locker 5 must be inserted into the housing 3 because it is in the way.

Therefore, in this case, by pulling or pressing the handle 9 of the form which is moved to the right side in the lower part in the drawing so that the entire locker 5 is lowered to the inside of the housing 3 to the locking protrusion 51. Then, when the holder 8 held by the hinge piece 31 of the housing 3 is rotated to the handle 9 side and coupled to the notch groove 91 of the holder 8, the holder 8 protrudes from the lower end of the holder 8. When the locking protrusion 81 is moved along the upper surface of the handle 9 and stopped at a right angle, the locker 5 is inserted into the housing 3 as shown in FIG. 2. By the locking action it is maintained in a fixed state to the housing (3).

Then, when the container 1 is to be mounted on the wagon 2, the holder 8 coupled to the handle 9 is pulled apart from the cutout groove 91 of the handle 9 to lock the locker 5. ) Is raised and lowered as described above by the restoring force of the spring 7 in the housing 3 so that a part of the socket coupling portion 52 in which the locking protrusion 51 and the socket 6 are installed is provided with the socket support above the housing 3. It protrudes outward as shown by the solid line of FIG. 3 through the access hole 32 formed in the jaw 33.

At this time, the locking protrusion 51 and the socket 6 of the locker 5 having the shape fitted on the access hole 32 has a form in which the coupling groove 11 of the container 1 is turned 90 degrees. Keep it.

When the container 1 is to be mounted on the wagon 2 in such a state, the handle 9 is lifted up and the locker 6 is lifted up so that the bottom of the socket 6 is the socket support step 33 as shown in the virtual line of FIG. 3. And the locking protrusion 51 and the socket 6 of the locker 5 are coupled to the container 1 as shown in FIG. 4 and FIG. The locker 5 is slightly lowered due to its own weight including the socket 6 and the handle 9 when the hand 9 is released after the handle 9 is formed in the same direction as that of the bottom of the socket 6. A portion of the housing 3 has a shape seated in the anti-rotation groove 34 formed in the socket support jaw 33 of the housing (3).

In the above, when the locker 5 is rotated about 90 degrees clockwise in the state of lifting the locker 5 through the handle 9, the socket 6 is spring 63 when the locker 5 rotates. It is rotated with the locker 5 in a state fixed to the outer circumferential surface of the socket coupling portion 52 of the locker 5 by the locking operation of the ball 62 caught by the rotation limiting groove 521 while receiving the force of .

In this state, when the container 1 is mounted on the wagon 2, the locking protrusion 51 and the socket 6 of the locker 5 are fitted into the coupling groove 11 formed at each corner of the bottom of the container 1. The socket 6 is located in the coupling groove 11 of the container 1 and the locking protrusion 51 is located above the coupling groove 11.

Thereafter, when the handle 9 fixedly installed at the bottom of the locker 5 is rotated 90 degrees in the counterclockwise direction opposite to the above, the handle 9 is inserted into the coupling groove 11 to be caught by its inner surface and at the same time the bottom surface of the housing 3 The socket 6 having a shape seated in the anti-rotation groove 34 of) is not rotated, and only the locker 5 opens the inner hole and the cover 4 of the socket 6 to the cylinder passage hole 41. As the center rotates in the housing 3, the bottom surface of the locking protrusion 51 of the locker 5 is caught by the upper surface of the coupling groove 11 of the container 1 as shown in FIG. 5.

At this time, the lock 62 is rotated 90 degrees by the ball 62 of the holder 8, which is pulled out of the rotation limiting groove 521 on one side and rotated along the outer circumferential surface of the socket engaging portion 52 of the locker 5. At the time of completion, it is caught by the rotation limiting groove 521 on the other side.

Therefore, the container 1 is locked to the wagon 2 by the locker 5, in which case the locker 5 receives the elastic force of the spring 63 even if the locker 5 is left in the state without being fixed. The rotation is limited to some extent by the locking operation of the ball 62 fitted in the rotation limiting groove 521 of (5), but the impact generated during the traveling of the truck 2 is greater than the spring force of the spring (). In this case, the ball 62 may be spaced apart from the rotation limiting groove 521 and the locking state may be released by the rotation of the locker 5.

Therefore, in the present invention, as described above, the socket 6 is fitted in the coupling groove 11 of the container 1, and the locking protrusion 51 of the locker 5 is caught in the upper surface of the coupling groove 11. The holder 8 is rotated in the direction of the bottom of the housing 3 to be inserted into the cutout groove 91 of the handle 9, but the locking protrusion 82 protruding in the middle of the holder 8 is as shown in FIG. 5. The locker 5 is supported by the upper surface of the handle 9 so that the locker 5 is supported by the coupling force of the handle 9 and the holder 8 and the holding force 82 of the holder 8 supported by the upper surface of the handle 9. As a result, the locker 5 locks the container 1 to the wagon 2 as well as not being rotated even when any impact is applied from the outside.

At this time, the upper surface portion of one end of the handle (9) is provided with an inclined surface 92, which is upwardly inclined from the end to the inside, as described above, when the holder (8) is coupled to the handle (9) Since the locking protrusions 81 and 82 are smoothly slid to be caught by the flat portion 93, the holder 8 may be coupled to the handle 9 of the locker 5 with a small force.

On the other hand, when the transportation of the container 1 is completed and the container 1 is to be separated from the wagon 2, the holder 9 coupled to the handle 9 is pulled apart from each other and the handle 9 is separated from each other. ) Rotate 90 degrees clockwise to match the direction of the locking protrusion 51 and the socket 6 of the locker 5 in the same direction as the coupling groove 11 of the container 1, as shown in FIGS. Since the locking of the container 1 is released, the container 1 can be separated from the wagon 2.

After removing the container 1 from the wagon 2 in this state, hold the handle 9 and lift the locker 5 so that the bottom portion of the socket 6 is the anti-rotation groove 34 of the socket support jaw 33. 3) and then rotate the handle 9 by 90 degrees counterclockwise again. Then, the socket 6 rotates together with the locker 5 by the locking operation of the ball 62. It becomes a state.

After the lock 9 and the socket 6 is inserted into the housing 3 as shown in FIG. 2 by lowering the handle 9, the locking protrusion 81 protruding from the lower end of the holder 8 is The holder 8 may be coupled to the handle 9 in such a manner as to be caught by an upper surface of the handle 9.

On the other hand, the washer is exposed to the bottom of the socket coupling portion 52, which is the upper and lower portions of the cylinder 53 of the locker 5, and the free end of the cylinder 53 to which the handle 9 is coupled, being exposed to the outside of the cover 4, respectively. Alternatively, the ring stoppers 54 and 55 are installed so that these washers or ring stoppers 54 and 55 are moved when the locker 5 is forced down by the user or automatically lifted by the restoring force of the spring 7. While hitting the upper and lower surfaces of the cover 4, respectively, the limit value according to the lifting and lowering of the locker 5 is determined, and the impact force generated during the lifting and lowering is alleviated to prevent deformation of the locker 5 and the like.

In addition, when long-term use, various foreign matters are introduced into the housing 3 through the through hole 32 formed in the socket support jaw 33, and the inside thereof may be contaminated. In the present invention, the bottom of the housing 3 may be contaminated. By forming the foreign matter discharge hole 42 on both sides of the cover 4 coupled to the opening, various foreign substances introduced into the housing 3 are automatically discharged to the outside through the foreign substance discharge hole 42, Contamination in the housing 3 can be prevented beforehand.

Although the above-described embodiments have been described with respect to the most preferred examples of the present invention, it is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention.

As described above, according to the present invention, the locking device is directly fixed to the wagon in which the container is loaded, so that the work can be performed without a great force by the spring force when the container is fixed to the wagon. It can be fixed more easily and perfectly, which greatly secures the safety during transportation, and it is very easy to assemble and operate, and it can be kept accurate even by strong vibration. It is a very useful invention that can be improved.

Claims (8)

A housing having a hinge piece protruding from one side of an outer bottom surface and a socket base jaw formed with an access hole through which an upper end of the locker enters and an anti-rotation groove of the socket; A cover having a cylinder through-hole formed at a center thereof and detachably coupled to the bottom opening of the housing; A locker protruding from an upper surface of the locking protrusion, and having a configuration in which the socket coupling portion and the cylinder are successively protruded and installed in the housing so as to move up and down and rotate; A socket coupled to the socket coupling portion of the locker to lock only the locker when the locker is rotated when fitted to the coupling hole of the container to fix the container to the wagon;  A spring inserted outside the cylinder of the locker and elastically installed between the bottom surface of the socket coupling portion and the top surface of the cover to generate an elastic force to move the locker and the socket to an upper portion of the housing; A holder configured to be hinged to the hinge piece of the housing and selectively coupled to the handle to maintain the position of the locker; And a handle fixedly installed at the lower end of the locker to maintain the state by the holder in a raised or lowered position of the locker. The method according to claim 1, The upper and lower cylinder cylinders of the locker is a container locking device for a railroad vehicle, characterized in that it is provided with a washer or ring stopper to determine the limit value according to the lifting and lowering of the locker and to alleviate the impact force generated during the lifting and lowering. The method according to claim 1, The handle locking device for a railroad vehicle, characterized in that the inclined surface formed to be inclined upward from the end portion. The method according to any one of claims 1 to 3, Rotational restriction grooves are formed at the periphery of the socket coupling portion of the locker, and a through hole is drilled in one side of the socket, and the elastic force is provided to the ball and the ball that are elastically fitted in the rotational restriction groove in the through hole. Container locking device for a railway vehicle, characterized in that the spring and bolts to prevent the ball and the spring from being separated from the through hole. The method according to claim 1, Both sides of the cover container locking device for a railway vehicle, characterized in that further provided with a foreign matter discharge hole for discharging the foreign matter introduced into the housing. The method according to any one of claims 1 to 3, The other side of the socket is formed in the groove and the grease injection hole successively formed and drilled, the grease injection hole is characterized in that the grease injection port is installed, characterized in that the rail vehicle container locking device. The method according to claim 1, The holder is a container locking device for a railroad vehicle, characterized in that each end is provided with a locking projection. The method according to claim 1 or 7, The handle is a container lock device for a railway vehicle, characterized in that the notched groove is formed in which the holder is fitted in the longitudinal direction at one end.

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