KR20210002907U - Coupler liner for electric train - Google Patents

Abstract

The present invention relates to a train connector liner, and is interposed between the joint 102 and the yoke 103 of the connector 101 connecting the vehicle and the vehicle of the electric train to realize a smooth assembly state. ) in, formed in a plate shape having a straight line portion 111 and a curved portion 112 on opposite sides, and a coupling hole 113 formed in the central portion to be interposed in the connector 101 Body portion 110 And, it includes a grip portion 120 provided by extending to a predetermined length from the curved portion 112 on one side of the body portion 110, the body portion 110 has a length between the straight portions 111 on both sides of the curved portion 112 ) is provided in a rectangular oval shape shorter than the length between It is characterized by minimizing impact and noise by keeping the clearance below 0.5mm through the improved liner.

Description

Train connector liner {COUPLER LINER FOR ELECTRIC TRAIN}

The present invention relates to a train connector liner, and more particularly, to improve durability and maintainability by configuring a liner of an improved structure to realize a smooth connection between a joint and a yoke mounted on a connector provided for connection between vehicles of a train It relates to a train connector liner that does.

In general, a train connector is a component for connecting a vehicle and a vehicle, and an automatic connector configured to automatically control coupling and uncoupling operations is employed in a currently running train.

There are various types of automatic couplers depending on the connection structure, such as the normal type, the close-fitting type with increased adhesion compared to the normal type, and the close-fitting compact, close-fitting automatic coupler for electric trains.

A close-fitting automatic coupler consists of a body, a knuckle, and a lock that moves up and down like a normal automatic coupler. It has a structure that improves adhesion by minimizing the gap between connectors by adopting an inclined lock.

Looking at the schematic configuration of the connector with reference to known technology, Korean Utility Model No. 20 - 0424152 has a head that is interlocked and fastened to one side of the body, in which a knuckle, a lock, a lock lift, etc. are installed in the inner space, , a shock absorber key is inserted into a tail portion opposite to the head, a yoke on which a shock absorber is installed is mounted, and a connector of a railroad vehicle having a shank in the middle of the head and tail is constituted.

As another example, in Korea Utility Model No. 20 - 0212579, a close-fitting part is formed in front of the body, a female/male connecting member is formed inside the front of the close-fitting part, and a bracket fixed to the frame of the vehicle is mounted at the rear of the body. A shaft to be fitted and fixed to the plate is provided, and a connector for a railroad vehicle in which a bush is fitted in a through hole in the center of the center plate into which the shaft is fitted constitutes a connector.

On the other hand, in the train connector, a universal joint is mounted on the rear of the main body to realize a flexible connection state between the connectors when the vehicle passes through the left and right or up and down curved sections, and the connecting shaft is coupled to the rear end.

In addition, a liner or buffer means is mounted to reduce the noise and vibration generated by the connector in the course of driving the vehicle and to extend the life of the connector. Between the connector installed with the rear part inserted into the center room, the main buffer part connected to the rear part of the connector and installed so as to be movable forward and rearward in the center room to absorb the shock applied to the connector, and the connector and the main buffer part A connector including a joint part that is connected and installed so that the connector can be rotated up and down and left and right with respect to the main buffer part, and an auxiliary buffer part that is connected and installed at the rear end of the main buffer part to additionally absorb the shock applied to the connector.

Korea Registered Utility Model No. 20 - 0424152 (2006.08.16) Korea Registered Utility Model No. 20 - 0212579 (2001.02.15) Korean Patent Registration No. 10 - 1830689 (2018.02.22) Korean Patent Registration No. 10 - 1746691 (2017.06.14)

The train connector is composed of a joint and a yoke, and by connecting the electric vehicles, it is configured to realize smooth running in the straight and curved sections of the rail.

In particular, the connector is made to be assembled at a distance of 1 mm or more to realize a flexible assembly state of the joint and the yoke, but a gap of 1 mm to 5 mm occurs due to actual design and manufacturing conditions.

As described above, when a gap occurs between the joint of the connector and the yoke, shock and noise are greatly generated during starting and stopping of the train, and thereby, the problem of lowering the passenger's riding comfort is continuously being raised.

In order to solve this problem, in the connector to which the prior art is applied, a liner or a buffer means is interposed between the joints to compensate for the gap between the joint and the yoke, so as to prevent driving shock, noise and vibration in the process of driving the vehicle. have.

However, since the liner applied to the conventional train connector is made of a simple ring made of PVC material like a conventional bearing, frequent replacement work is unavoidable due to deterioration in durability due to long-term use. There is a problem in forming the required minimum clearance between the joint and the yoke, as well as significantly reducing workability due to bending.

Accordingly, in the present invention, as devised to solve the above-described problems,

In the train connector liner 100 provided to implement a smooth assembly state by interposing between the joint 102 and the yoke 103 of the connector 101 connecting the vehicle and the vehicle of the electric train,

A body portion 110 provided in a plate shape having a straight line portion 111 and a curved portion 112 on opposite sides thereof and interposed in the connector 101 by forming a coupling hole 113 in the center thereof;

It includes a grip portion 120 provided by extending to a predetermined length from the curved portion 112 on one side of the body portion 110,

The body portion 110 is provided in a rectangular oval shape in which the length between the straight portions 111 on both sides is shorter than the length between the curved portions 112,

The body part 110 and the grip part 120 are configured to be integrally formed of STS304 material,

In the body part 110, the other curved part 112 opposite to the grip part 120 has,

It is possible to achieve the purpose of improving durability and maintainability and inserting a liner of a required thickness by forming and configuring the insertion portions 114 inclined in a straight line from the ends of both corners of the arc shape to be symmetrical to each other.

The present invention improves the structure of the liner provided to realize the smooth connection of the joint and the yoke mounted on the train connector to prevent the occurrence of driving shock, noise and vibration, as well as to provide a train connector liner that improves durability and maintainability to provide.

The present invention has the advantage that it can solve the problems of durability deterioration and deformation due to the fact that the liner mounted on the conventional train connector is made in the form of a simple ring made of PVC material, and it can solve the shock and noise problems caused by the clearance between the joint and the yoke.

Therefore, the train connector liner according to the present invention provides a high-quality liner by significantly improving durability and corrosion resistance to extend lifespan and increase maintenance efficiency. Since the connector liner can be inserted with a thickness of 0.5 mm or less, there is an advantage that can contribute to the improvement of ride comfort and maintenance of the train.

1 is a perspective view of a train connector liner according to the present invention.
2 is a plan view and a side view of a train connector liner according to the present invention.
3 to 4 are schematic views illustrating the use state of the train connector liner according to the present invention.
5 is an exemplary image of a conventional train connector liner (a) and the present invention (b).

Hereinafter, the configuration and operation of the train connector liner according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings. In the following description, detailed descriptions of parts that can be easily implemented by those skilled in the art may be omitted. In addition, since the following description is given by way of a preferred embodiment of the present invention, the present invention is not limited by the following examples, and it is natural that various modifications may be provided within the scope of the present invention. something to do.

1 is a perspective view of a train connector liner according to the present invention, FIG. 2 is a plan view and a side view of a train connector liner according to the present invention, and FIGS. 5 shows an exemplary image of the conventional train connector liner (a) and the present invention (b).

The train connector liner to which the technology of the present invention is applied is configured to significantly improve the durability and maintainability of the liner provided to implement a smooth connection between the joint and the yoke mounted on the connector provided for the inter-vehicle connection of the electric car compared to the prior art On the other hand, it should be noted that the present invention relates to a train connector liner capable of narrowing the clearance between the joint and the yoke to 0.5 mm or less through the improved liner.

For this purpose, the train connector liner 100 of the present invention is interposed between the joint 102 and the yoke 103 of the connector 101 connecting the vehicle and the vehicle of the electric train to realize a smooth assembly state. As shown in FIGS. 1 and 2 , 100 is configured to include a body part 110 and a grip part 120 , and specifically is as follows.

The body part 110 is formed in a plate shape having a straight part 111 and a curved part 112 on opposite sides thereof, and a coupling hole 113 is formed in the center to be interposed in the connector 101 .

The body portion 110 is provided to be interposed between the joint 102 and the yoke 103 of the connector 101, and forms a circular coupling hole 113 so that the vertical pin 104 is inserted.

The body part 110 forms a straight part 111 in the longitudinal direction and has curved parts 112 on both sides thereof, but the length between the straight parts 111 on both sides is shorter than the length between the curved parts 112. provided in shape.

Accordingly, it is configured to maximize workability when replacing the liner 100 and inserting the vertical pin 104 while minimizing the surface area by reflecting the narrow working space around the connector 101 . In a preferred embodiment of the present invention, the body part 110 reduces the length between the straight parts 111 to a range of 75 mm compared to the conventional liner provided in a ring shape with a diameter of 100 mm to eliminate interference with the work space, It is provided so that horizontal insertion is possible.

The coupling hole 113 is reduced to a range of 63 mm compared to the conventional liner formed at the level of 65 mm to prevent a decrease in durability due to the reduction of the surface area in the periphery of the coupling hole 113 due to the reduction of the body part 110. to form

In the body part 110, on the other curved part 112 opposite to the grip part 120, the insertion part 114 provided to be slanted in a straight line at the ends of both corners made in an arc shape is formed so as to be mutually symmetrical. do.

The insertion part 114 is formed at the front end in the longitudinal direction where the liner 100 is interposed. The body part 110 and the grip part 120 to be described later are made of STS304 material, which is easy to process, and the insertion part 114 is formed through a predetermined chamfering process, compared to the initial insertion of the liner 100. It is configured to ensure stable insertion.

The grip portion 120 is configured to extend to a predetermined length from the curved portion 112 on one side of the body portion 110 .

The gripper 120 is provided so that the operator can control the position and direction while holding the liner 100 when the liner 100 is interposed in the connection part or the vertical pin 104 is inserted, so that the conventional simple ring The shape of the liner is configured to solve the problem of having to repeat several times.

In a preferred embodiment of the present invention, the gripper 120 is formed in a rectangular shape with a length of 50mm and a width of 30mm from the center of one side of the body portion 110, but the gripping force is effectively secured while excluding interference with the work space. It will be possible to vary the range to the extent possible.

On the other hand, the body portion 110 and the grip portion 120 is configured to be integrally formed of STS304 material.

STS304 is an austenitic stainless steel and is composed of 18Cr-8Ni-Fe alloy. STS304 has no magnetism and has excellent mechanical properties such as corrosion resistance, abrasion resistance and impact resistance. STS304 has a more economical effect as a material of the liner 100 because the price of the material is higher than that of the PVC material applied to the conventional liner, but it has advantages in strength and service life.

The electric vehicle connector liner 100 according to the present invention having the configuration as described above measures the distance between the joint and the yoke for each connector of the electric vehicle to measure the dimensions (thickness) of the liner 100 by 1t, 1.5t, 2t, 2.5t , is provided with 5 types subdivided into 3t and configured to be selectively applied. Therefore, it is configured to minimize the gap between the joint and the yoke at the level of 1 mm to 5 mm between the joint and the yoke when using the liner to 0.5 mm or less.

The train connector liner 100 to which the technology of the present invention having the configuration as described above is applied is interposed between the joint 102 and the yoke 103 of the electric train connector 101 as shown in FIGS. It is used to prevent driving shock, noise and vibration while compensating for the gap between them.

As a result of applying the train connector liner 100 according to the present invention to the connector of a train in operation and conducting a usage condition and performance test for several months, the noise from the connection part when using the liner 100 of the present invention compared to the existing liner This decreased by 4.1 dB from 81.1 dB to 77 dB, and it was confirmed that no unusual items such as deformation or damage to the liner 100 occurred during use.

Therefore, the train connector liner 100 according to the present invention improves the riding comfort of the train by minimizing the occurrence of shock, noise, and vibration when connecting and disconnecting the train, thereby deriving the effect of preventing the occurrence of various civil complaints in advance.

In particular, the present invention has the advantage of significantly improving durability and corrosion resistance and increasing maintainability by improving the mechanical properties through the structure and material of the liner compared to the PVC liner of the conventional bearing type mounted on the train connector. .

Therefore, it is possible to significantly reduce the working time in the process of interposition of the liner 100 and insertion of the vertical pin 104 during maintenance work to improve work efficiency and prevent safety accidents such as finger pinching during conventional liner replacement work. .

In addition, since the service life of the liner 100 is semi-permanently extended due to the improvement in durability, it has various advantages, such as being able to reduce the consumption of parts and materials and maintenance costs by 15 million won or more per year.

100: liner
110: body part
111: straight part
112: curved part
113: coupling hole
114: insertion part
120: grip part
101: coupler
102: joint
103: York
104: vertical pin

Claims (2)

In the train connector liner 100 provided to implement a smooth assembly state by interposing between the joint 102 and the yoke 103 of the connector 101 connecting the vehicle and the vehicle of the electric train,
A body portion 110 having a plate shape having a straight line portion 111 and a curved portion 112 on opposite sides thereof and interposed in the connector 101 by forming a coupling hole 113 in the center thereof;
and a gripping part 120 provided by extending to a predetermined length from the curved part 112 on one side of the body part 110,
The body portion 110 is provided in a rectangular oval shape in which the length between the straight portions 111 on both sides is shorter than the length between the curved portions 112,
The train connector liner, characterized in that the body portion 110 and the grip portion 120 are integrally formed of STS304 material. The method of claim 1,
In the body part 110, the other curved part 112 opposite to the grip part 120 has,
A train connector liner, characterized in that it is formed by forming the insertion portions 114 inclined in a straight line from the ends of both corners of the arc shape to be symmetrical to each other.

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