KR102457673B1 - Apparatus for locking cover of railroad conversion - Google Patents

Abstract

An embodiment of the present invention relates to a cover locking device of a switch, which enables efficient operation of the switch, increase safety and security, and minimize the loss of locks and keys. To this end, the cover locking device comprises: a lower case having a locking portion provided on one side in a longitudinal direction of the bottom surface thereof to lock a locking member; a locking member provided on a rotating shaft provided at one side of the locking portion to be elastically rotated outward in the width direction of the bottom surface, and having a locking protrusion provided on one side thereof; a key plate provided on an upper side of the locking member, having a locking groove corresponding to the locking protrusion, and having an operating hole formed on one side of the locking groove; and a locking key having an operating portion which can rotate the locking member to separate the locking protrusion from the locking groove and can slide the key plate in a direction away from the locking member to separate the locking member from the locking portion when rotating in the direction away from the locking member in a state of being inserted into the lower case through the operating hole, and which can slide the key plate in a direction close to the locking member and couple the locking protrusion to the locking groove to prevent the separation of the locking member from the locking portion when rotating in the direction close to the locking member.

Description

{APPARATUS FOR LOCKING COVER OF RAILROAD CONVERSION}

An embodiment of the present invention relates to a cover locking device for a track changer that enables efficient operation of the track changer, improves safety and security, and minimizes loss of locks and keys.

In general, a track changer is a device for changing the direction of a track by installing it in a place where a track is split so that a railroad car can be moved to another track.

At this time, a cover for protection is provided in the line changer, and the cover is opened only when necessary, and a separate locking device is provided in order to prevent arbitrarily opening in normal times for safety.

As shown in Figure 1, the cover locking device 10 of the conventional line switcher has U-shaped hooks 11 attached to both sides of the upper surface of the cover 2 that opens and closes the upper part of the main body 1 of the track switcher. It has a structure in which the lock (12) is inserted and then locked with a lock (13).

However, the conventional cover locking device 10 is vulnerable to an external physical force, and when the cover 2 is removed for maintenance or opened and closed for manual switching of the line, the lock 13 or the lock 13 is removed. This may result in the loss of the key to open and fill.

Republic of Korea Patent Publication No. 10-1880586 (2018.07.16.)

SUMMARY OF THE INVENTION An embodiment of the present invention is to provide a cover locking device for a track changer that enables efficient operation of the track changer and improves safety and security.

In addition, an embodiment of the present invention is to provide a locking device for a cover of a line changer that can minimize the risk of loss, such as an existing lock or key.

According to an embodiment of the present invention, a lower case having a locking portion that is caught by the locking member on one side of the longitudinal direction of the bottom surface; a locking member provided on a rotation shaft provided on one side of the locking part to be elastically rotatable outward in the width direction of the bottom surface, and having a locking protrusion on one side; a key plate provided on the upper side of the locking member, the key plate having a locking groove corresponding to the locking protrusion and having an operation hole formed at one side of the locking groove; and rotating the locking member in a direction away from the catch while being inserted into the lower case through the manipulation hole to separate the locking protrusion from the locking groove and move the key plate away from the catch. It slides to enable the separation of the lock from the locking part, and when rotating in a direction close to the lock, the key plate slides in a direction closer to the lock, and the locking protrusion is coupled to the locking groove. and a locking key having a manipulation unit for preventing separation of the latch from the latching part by doing so;

The operation hole of the key plate interferes with the key operation part when the locking key rotates in a direction away from the lock, and slides the key plate in a direction away from the lock. An open hole part exposing a portion, and when the locking key rotates in a direction closer to the locking member, it interferes with the key operation part to slide the key plate in a direction close to the locking member, so that the locking part is caught in the locking part It may include a closing hole for closing a portion of the catch.

In the cover locking device of this embodiment, an upper case for covering the locking member and the key plate may be provided on the upper portion of the lower case, and the locking key is positioned at a position corresponding to the operation hole of the key plate on the upper case. An insertion hole into which the key manipulation unit can be inserted may be formed.

In this case, the insertion hole may be provided with a key cover plate having a key hole corresponding to the shape of the key operation part of the locking key.

The cover locking device of this embodiment may include a key cover provided in the upper case to open or close the key hole of the key cover plate.

In this case, the key cover may be rotatably provided on the upper case in a hinge manner to open or close the key hole, and the key cover may be fixed and released from the upper case with a fixing screw.

In addition, the fixing screw may be provided to be elastically elevating and rotatable on the key cover, thereby preventing the risk of loss.

On the other hand, the keyhole of the key cover plate is formed in a shape corresponding to the key operation part of the locking key, and may have a shape different from that of the locking device in other places to prevent mixing.

The cover locking device of this embodiment may include a key support pin which is formed to protrude from the bottom surface of the lower case and into which the end of the rotation shaft of the locking key is inserted and supported.

On the other hand, the rotation shaft may be provided with a torsion spring, the lower one side of the locking member is caught on one side of the torsion spring when the locking member is rotated by the locking key is provided with a spring engaging portion for compressing the torsion spring can be

According to an embodiment of the present invention, the advantage of enabling efficient operation of the track changer by using the locking key used for the locking device is the same as the key of the operation handling facility installed in the machine room in the station for the operation of the corresponding track changer. have.

And, according to the embodiment of the present invention, the shape of the operation part of the locking key can be configured in variously different shapes for each locking device of the track changer in different places, so there is an advantage that safety and security can be improved according to prevention of mixing. .

In addition, according to the embodiment of the present invention, it can be configured by fixing the lower case fixed to the cover instead of the conventional lock, and can be applied with one locking key when provided on both sides of the cover of one line changer, thereby minimizing the risk of loss. There are advantages that can be

1 is a plan view showing a state in which a locking device is provided on a cover of a track changer according to the prior art;
Figure 2 is a perspective view showing the cover locking device of Figure 1;
3 is a plan view schematically illustrating a state in which the cover locking device of the track changer according to an embodiment of the present invention is provided on the body and the cover of the track changer;
Figure 4 is an exploded perspective view showing the cover locking device of Figure 3;
Figure 5a is a perspective view showing the cover locking device of Figure 3 in a closed state of the key cover;
Figure 5b is a perspective view showing an open state of the key cover of Figure 5a;
6 is a type-specific shape diagram illustrating various shapes of the keyhole of FIG. 5b
7A to 7D are views showing an opening process of a cover locking device of a line switcher according to an embodiment of the present invention, and are plan views schematically showing only main parts of the operation;
8A to 8D are views showing the closing process of the cover locking device of the track switcher according to an embodiment of the present invention, and are plan views schematically showing only the main parts of the operation;

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, this is merely an example and the disclosed embodiments are not limited thereto.

In describing the embodiments, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the disclosed embodiments, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the disclosed embodiments, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing the embodiments only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

3 is a plan view schematically showing a state in which the cover locking device of the track switcher according to an embodiment of the present invention is provided on the body and the cover of the track switcher, and FIG. 4 is an exploded perspective view showing the cover locking device of FIG. Figure 5a is a perspective view showing the cover locking device of Figure 3 in a closed state, Figure 5b is a perspective view showing the open state of the key cover of Figure 5a, Figure 6 is a type illustrating various shapes of the keyhole of Figure 5b It is a star shape. 7A to 7D are views showing an opening process of a cover locking device of a line switcher according to an embodiment of the present invention, and are plan views schematically showing only main parts of the operation, and FIGS. 8A to 8D are one of the present invention As drawings showing the closing process of the cover locking device of the line changer according to the embodiment, it is a plan view schematically showing only the main parts of the operation.

Referring to FIG. 3 , the cover locking device 100 of the track changer according to an embodiment of the present invention is provided on both sides of the upper surface of the cover 2 that opens and closes the upper part of the main body 1 of the track changer, and includes a catch 200 ) by limiting the rotation of the stopper 200 in a state in which the end is caught, so that the cover 2 is not arbitrarily opened, or the cover 2 can be opened by allowing the locking member 200 to rotate when necessary.

In more detail, referring further to FIGS. 4 to 6 , the cover locking device 100 of this embodiment includes a locking part 112 at which the end of the locking member 200 is caught on one side in the longitudinal direction of the bottom surface 111 . The lower case 110 having a locking shaft 113 provided on one side of the locking part 112 is provided so as to be elastically rotatable outward in the width direction of the bottom surface 111 and protruding upwardly on one side. A locking member 120 having a protrusion 121 and a locking groove 131 provided on an upper side of the locking member 120 and corresponding to the locking protrusion 121 are operated on one side of the locking groove 131 . The key plate 130 in which the hole 132 is formed and the locking member 120 and the key plate 130 are operated as they are inserted into the lower case 110 from the outside through the manipulation hole and rotated. The cover 2 is arbitrarily opened by either allowing the cover 2 to be opened by enabling the separation of the locking member 200 from the locking part 112 or by preventing the separation of the locking member 200 from the locking part 112 . It may include a locking key 140 having an operation unit 141 to prevent it.

The lower case 110 may be formed in such a way that the upper part of the lower case 110 is opened in the longitudinal direction so that the end of the locking member 200 is separated from and caught by the locking part 112 in a rotating manner. In addition, the lower case 110 has sidewalls 110a having a length in the longitudinal direction on both sides in the width direction, and the lower case 110 is in a state in which the key plate 130 is seated through the sidewalls 110a. ) may be provided to be slidably movable in the longitudinal direction. In addition, a key support pin 114 may be formed to protrude upwardly from the bottom surface 111 of the other side of the lower case 110 , and accordingly, the locking key 140 is connected to the operation hole 132 of the key plate 130 . ), when inserted into the lower case 110, the end of the rotation shaft 140a is inserted and supported by the key support pin 114, so that it can perform a stable rotational motion.

One side of the locking member 120 may be rotatably coupled to the upper end of the rotation shaft 113 . At this time, a torsion spring 115 may be provided at the lower end of the rotation shaft 113, and the torsion spring 115 has one protrusion part supported on the side wall 110a of the lower case 110, and the other protrusion part being the The locking member 120 may be supported by being caught by the spring locking part 122 protruding from the lower one side. Accordingly, when the locking member 120 is rotated toward the outside of the lower case 110 in the width direction, that is, toward the side wall 110a on which the one-side protrusion of the torsion spring 115 is supported, the torsion spring 115 by an external force. It can be rotated elastically by the , and can be returned to the original position by the elastic restoring force of the torsion spring 115 when the external force is removed.

The manipulation hole 132 of the key plate 130 interferes with the key manipulation unit 141 when the locking key 140 rotates away from the latch 200 to lock the key plate 130 into the latch. When the opening hole part 132a slides in a direction away from 200 and the locking key 140 rotates in the opposite direction, it interferes with the key operation part 141 to bring the key plate 130 closer to the stopper 200 . It may include a closing hole portion (132b) for sliding movement in the direction to be.

In the cover locking device 100 of the present embodiment, an upper case 150 covering the locking member 120 and the key plate 130 may be provided on the lower case 110 . Here, in the upper case 150 , an insertion hole 151 into which the key operation part 141 of the locking key 140 can be inserted may be formed at a position corresponding to the operation hole 132 of the key plate 130 . have. At this time, the insertion hole 151 may be provided with a key cover plate 160 having a key hole 161 corresponding to the shape of the key operation part 141 of the locking key 140 . Of course, instead of the key cover plate 160 being provided in the insertion hole 151 , the insertion hole 151 may be formed in a shape corresponding to the shape of the key operation part 141 of the locking key 140 . .

The cover locking device 100 of this embodiment may include a key cover 170 provided in the upper case 150 to open or close the key hole 161 of the key cover plate 160 . Here, the inner surface of the key cover 170 may be formed in a shape corresponding to each other to surround the key cover plate (160). And, the key cover 170 may be installed in the upper case 150 to open or close the key hole 161 of the key cover plate 160 in a rotating manner, for this purpose, the key cover 170 is It may be installed on the hinge bracket 181 installed on the upper case 150 through the hinge shaft 182 . In addition, the key cover 170 may be fixed to and released from the upper case 150 with a fixing screw (S). At this time, the fixing screw (S) may be provided on the key cover 170 to be elastically elevating and rotatable. That is, a screw hole 170a in which the fixing screw S is installed is formed on one side of the key cover 170, and a coil spring (not shown) is formed so that the fixing screw S is not separated from the screw hole 170a. When) an elastic member is installed in the screw hole 170a, and the fixing screw S can be installed in the screw hole 170a to be elastically elevating and lowering through the installed coil spring. Therefore, even if the key hole 161 is opened by loosening the fixing screw S with a screwdriver or the like to open the key cover 170, the risk of loss of the fixing screw S can be prevented.

On the other hand, the key hole 161 of the key cover plate 160 is formed in a shape corresponding to the key operation part 141 of the locking key 140, and a locking device at another location to prevent mixing with a locking device at another location. Each may have a different shape. That is, as in FIG. 6 , the shape of the keyhole 161 may be manufactured in various types of shapes for each locking device of the track changer in different places, and thus mixing can be prevented, thereby increasing safety and security. have. In addition, the key operation part 141 of the locking key 140 may be formed in a shape having the same cross-sectional view as the shape of the key hole 161 . In particular, the locking key 140 is mounted on a driving handling facility installed in a machine room in a station for efficient operation of the corresponding track changer, and the driving handling facility can be switched to an operating mode and a manual mode using the locking key 140 . have. In addition, the locking key mounted on the operation handling facility can be separated only in the manual mode, and when maintenance of the line changer installed on the track side is required, the operation handling facility is switched to the manual mode by the manager and the maintenance person in charge The locking key can be removed and moved to the location of the track changer on site, and then the cover locking device of the track changer can be unlocked with the corresponding locking key. At this time, by using the same key for the operation handling facility of the machine room and the locking key of the cover locking device of the track changer at the side of the track, the operation mode of the line changer in the machine room is switched to the operation mode of the line changer by others who did not recognize the fact during the maintenance of the line changer at the side of the track as the same key. Safety can be improved by preventing the conversion of

The unlocking and locking process of the cover locking device of the present embodiment will be described with further reference to FIGS. 7A to 8D .

First, when necessary, such as for maintenance of the line changer, the manager or the person in charge of maintenance carries the locking key 140 corresponding to the corresponding line changer and moves to the corresponding line changer.

Then, loosen the fixing screws (S) of the cover locking device on both sides of the key cover 170 with a screwdriver or the like, and open the key cover 170 in a rotating manner.

Thereafter, as shown in FIG. 7A , when the locking key 140 in possession is inserted into the key hole 161 of the key cover plate 160 , the key operation unit 141 of the locking key 140 is the upper case 150 . The upper portion of the switching end 141a, which is the protruding end of the key operation unit 141 through the insertion hole 151, is in contact with the closing hole portion 132b of the operation hole 132 of the key plate 130. At this time, the bottom surface of the key operation part 141 is supported in contact with the bottom surface 111 of the lower case 110 , and the end of the rotation shaft 140a of the locking key 140 is a key support pin provided on the bottom surface 111 . It is inserted into the 114 to rotatably support the locking key 140 .

And, as shown in FIG. 7b, when holding the handle 142 of the locking key 140 and rotating it in a direction away from the latch 200, that is, clockwise, the lower portion of the switching end 141a of the key operation unit 141 is locked. As the locking member 120 starts to be pushed in contact with the member 120 , the locking protrusion 121 caught in the locking groove 131 of the key plate 130 starts to come out from the locking groove 131 .

Thereafter, as shown in FIG. 7c , when the locking key 140 is further rotated clockwise, the locking protrusion 121 completely comes out from the locking groove 131 so that the key plate 130 is in a slidable state.

And, as shown in Figure 7d, when the locking key 140 is further rotated clockwise, the lower portion of the switching end 141a of the key operation part 141 is deviated from the locking member 120 and the key operation part 141 is switched. The upper portion of the end portion 141a is in contact with the open hole portion 132a of the operation hole 132 of the key plate 130 and is pushed in the rotation direction by riding the open hole 132a, and thus the key plate 130 is latched. 200) in the direction away from it, that is, it slides to the right.

Accordingly, as the key plate 130 slides to the right, the end of the stopper 200 caught in the locking part 112 of the lower case 110 is exposed upward, and the locking member 200 is rotated upwardly. When it is separated from the locking part 112 , the lock of the cover locking device is released, and the cover 2 of the line changer can be opened.

At this time, the upper end of the key operation part 141 of the locking key 140 may be blocked by the upper case 150 so that the locking key 140 does not fall out.

Next, after unlocking the cover locking device and opening the cover 2 as described above, and performing maintenance of the line changer, cover the cover 2 and perform the reverse process to the above-described unlocking process. It is possible to fix and lock the cover (2) of the track changer to the main body (1) of the track changer.

That is, as shown in Fig. 8a, the locking member 200 is rotated downward so that it is seated and caught on the locking part 112 of the lower case 110, and the handle 142 of the locking key 140 is rotated counterclockwise. .

Then, as shown in FIG. 8b, the upper part of the switching end 141a of the key operation part 141 of the locking key 140 deviates from the open hole 132a, and the switching end 141a of the key operation part 141 is The lower portion contacts the locking member 120 and starts to push the locking member 120 .

Then, as in FIG. 8c, when the locking key 140 is further rotated counterclockwise, the lower portion of the switching end 141a of the key operation unit 141 starts to deviate from the locking member 120 and the key operation unit 141 ), the upper part of the switching end 141a contacts the closing hole 132b among the manipulation holes 132 of the key plate 130 to start pushing the key plate 130 to the left.

And, as shown in FIG. 8d, when the locking key 140 is further rotated counterclockwise, the lower part of the switching end 141a of the key operation part 141 completely deviates from the locking member 120, and the locking member 120. is returned to the original position by the elastic restoring force of the torsion spring 115, and the key plate 130 slides to the left to close the upper portion of the end of the stopper 200 caught in the locking part 112, thereby closing the locking part 200. Fix and lock the cover (2) of the track changer by preventing the rotation of

At this time, the locking protrusion 121 of the locking member 120 is inserted into the locking groove 131 of the key plate 130 to fix the sliding movement of the key plate 130 .

After that, when the locking key 140 is further rotated counterclockwise to the insertion position, the key operation part 141 of the locking key 140 can pass through the insertion hole 151 of the upper case 150. In addition, the locking key 140 can be removed from the cover locking device by being overlapped with the shape of the key hole 161 of the key cover plate 160 .

Then, after removing the locking key 140, the key cover 170 is rotated to close the key hole 161 of the key cover plate 160, and the fixing screw S provided to prevent separation from the key cover 170 is tightened. The key cover 170 can be fixed to the upper case 160 by rotating it with a screwdriver or the like.

Finally, the manager or maintenance person in possession of the locking key 140 moves to the operation handling facility installed in the machine room in the station to return the locking key 140 to its original position.

Although representative embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains will understand that various modifications are possible within the limits without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the claims described below as well as the claims and equivalents.

100: cover lock
110: lower case
111: bottom
112: locking part
113: rotating shaft
114: key support pin
115: torsion spring
120: locking member
121: locking projection
122: spring engaging part
130: key plate
131: locking home
132: operation hole
140: locking key
141: key control unit
142: handle
150: upper case
151: insertion hole
160: key cover plate
161: keyhole
170: key cover
181: hinge bracket
182: hinge shaft
200 : catch

Claims (10)

a lower case having a locking part on which a locking member is caught on one side in the longitudinal direction of the bottom surface;
a locking member provided on a rotation shaft provided on one side of the locking part to be elastically rotatable outward in the width direction of the bottom surface, and having a locking protrusion on one side;
a key plate provided on the upper side of the locking member, the key plate having a locking groove corresponding to the locking protrusion and having an operation hole formed at one side of the locking groove; and
When the locking member is rotated in a direction away from the catch while being inserted into the lower case through the manipulation hole, the locking member is rotated to separate the locking protrusion from the locking groove, and the key plate slides in a direction away from the catch. By moving the locking portion to enable separation of the locking member, and when rotating in a direction proximate from the locking member, the key plate slides in a direction close to the locking member, and the locking protrusion is coupled to the locking groove and a locking key having a key operation part for preventing separation of the locking member from the locking part.
The method according to claim 1,
The operation hole of the key plate,
When the locking key rotates in a direction away from the latch, it interferes with the key operation part and slides the key plate in a direction away from the latch, thereby exposing a portion of the latch caught in the latch; When the locking key rotates in a direction close to the stopper, it interferes with the key operation part and slides the key plate in a direction close to the locking member, thereby closing a portion of the locking member caught in the locking member. A cover locking device of a track diverter comprising a section.
The method according to claim 1,
An upper case covering the locking member and the key plate is provided at an upper portion of the lower case, and an insertion hole is formed in the upper case at a position corresponding to the manipulation hole of the key plate, into which the key manipulation unit of the locking key can be inserted. being, the cover lock of the track diverter.
4. The method of claim 3,
A key cover plate having a key hole corresponding to the shape of the key operation part of the locking key is provided in the insertion hole.
5. The method according to claim 4,
A cover locking device for a track changer comprising a key cover provided in the upper case to open or close a key hole of the key cover plate.
6. The method of claim 5,
The key cover is rotatably provided on the upper case in a hinge manner to open or close the keyhole, and the key cover is fixed and released to the upper case with a fixing screw.
7. The method of claim 6,
The fixing screw is provided so as to be elastically elevating and rotatable on the key cover, the cover locking device of the track changer.
5. The method according to claim 4,
The keyhole of the key cover plate is formed in a shape corresponding to the key operation part of the locking key, and has a shape different from that of the locking device in other places to prevent mixing, the cover locking device of the track changer.
The method according to claim 1,
and a key support pin protruding from the bottom surface of the lower case to insert and support the end of the rotation shaft of the locking key.
The method according to claim 1,
The rotating shaft is provided with a torsion spring,
A cover locking device for a track changer is provided at a lower side of the locking member and provided with a spring locking part that is caught on one side of the torsion spring and compresses the torsion spring when the locking member is rotated by the locking key.

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