KR20170037228A - Shock Absorbing Device for Rolling Stock and Coupler for Rolling Stock Having the Same - Google Patents

Shock Absorbing Device for Rolling Stock and Coupler for Rolling Stock Having the Same Download PDF

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Publication number
KR20170037228A
KR20170037228A KR1020150136503A KR20150136503A KR20170037228A KR 20170037228 A KR20170037228 A KR 20170037228A KR 1020150136503 A KR1020150136503 A KR 1020150136503A KR 20150136503 A KR20150136503 A KR 20150136503A KR 20170037228 A KR20170037228 A KR 20170037228A
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KR
South Korea
Prior art keywords
base plate
elastic member
hole
elastic
railway vehicle
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Application number
KR1020150136503A
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Korean (ko)
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KR101746691B1 (en
Inventor
이재영
김기남
김진모
Original Assignee
유진기공산업주식회사
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Priority to KR1020150136503A priority Critical patent/KR101746691B1/en
Publication of KR20170037228A publication Critical patent/KR20170037228A/en
Application granted granted Critical
Publication of KR101746691B1 publication Critical patent/KR101746691B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The elastic joint device for a railway vehicle according to the present invention comprises a base plate connected to a railway vehicle and having a through hole formed therein, a traction shaft inserted into the through hole and passing through the base plate, A pair of elastic members contacting the one side surface and the other side surface of the base plate in a state in which the base plate is in contact with the base plate and absorbing the impact and protrusions provided around the through holes and protruding toward the through hole, And an extension portion formed to contact the elastic member to provide horizontal and vertical support forces.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elastic joint device for a railway vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an elastic joint device for a railway vehicle and a connecting device for a railway vehicle including the same, and more particularly to an elastic joint device for a railway vehicle including a bush having an extension portion, And a connector for a railway car including the same.

Generally, in a railway vehicle, a connector for physically / electrically connecting adjacent vehicles is provided. And the connector may include various components such as a shock absorber, an electrical connector, a connector head, an adapter, and the like.

Conventional railway vehicle connectors include a base plate connected to a frame of a railway vehicle and a pair of elastic members contacting both sides of the base plate, wherein the shaft of the linkage passes through the base plate and the elastic member Respectively.

However, since the means for supporting the elastic member itself is not additionally provided, the elastic member is moved to the reference position by the flow of the shaft, In many cases.

In addition, there is a problem that the elastic member does not provide a sufficient supporting force against a load, thereby greatly reducing safety.

Therefore, a method for solving such problems is required.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems of the conventional art described above, and has an object to stably support an elastic member provided in an elastic joint device for a railway vehicle to improve safety.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an elastic joint device for a railway vehicle, comprising: a base plate connected to a railway vehicle and having a through hole; a traction shaft inserted into the through hole and penetrating through the base plate; A pair of elastic members contacting the one side surface and the other side surface of the base plate in a state of being penetrated by the pulling shaft and absorbing the impact and a protrusion provided around the through hole and protruding toward the through hole, And an extension extending in the longitudinal direction of the shaft and contacting the elastic member to provide horizontal and vertical support forces.

The protrusion may include an inclined surface exposed in the through-hole direction.

Further, the projecting portion may be formed so that the area of the cross section becomes smaller toward the passing hole direction.

The protruding portion and the extending portion may be formed as separate members separated from each other.

Further, a receiving groove may be formed in the extended portion, and the protruding portion may be formed in a state of being seated in the receiving groove.

The extension may be formed on both sides of the longitudinal center line of the through-hole.

In addition, the extension portion may have a curvature corresponding to the elastic member in a region contacting the elastic member.

Further, at one side of the pulling shaft, an end plate spaced apart from the base plate and accommodating any one of the pair of elastic members may be further provided between the base plate and the pulling shaft.

The end plate may include a first seating groove corresponding to a curvature of the elastic member so that the elastic member is seated.

Further, a connector body may be further provided on the other side of the towing shaft to receive any one of the pair of elastic members between the base plate and the base plate.

In addition, the connector body may include a second seating groove corresponding to a curvature of the elastic member so that the elastic member is seated.

Further, the present invention may be in the form of a connector for a railway vehicle including the elastic joint device for a railway vehicle.

In order to solve the above problems, the present invention provides an elastic joint device for a railway vehicle having the following effects.

First, there is an advantage that the elastic member provided in the elastic joint device for a railway vehicle can be stably supported, and the elastic member can be prevented from deviating and deforming.

Secondly, there is an advantage that the safety of the railway vehicle can be greatly improved.

Third, there is an advantage that the horizontal and vertical load bearing capacity by the elastic member can be maximized.

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.

1 to 3 are a perspective view and a sectional view showing a state of an elastic joint device for a railway vehicle according to a first embodiment of the present invention;
4 is a cross-sectional view illustrating a substantial part of an elastic joint device for a railway vehicle according to a first embodiment of the present invention;
FIG. 5 is a cross-sectional view illustrating a state in which a traction shaft flows in an elastic joint device for a railway vehicle according to a first embodiment of the present invention; FIG.
6 is a cross-sectional view illustrating a substantial part of an elastic joint device for a railway vehicle according to a second embodiment of the present invention;
FIG. 7 is a cross-sectional view illustrating a substantial part of an elastic joint device for a railway vehicle according to a third embodiment of the present invention; FIG. And
FIG. 8 is a cross-sectional view showing a main part of an elastic joint device for a railway vehicle according to a fourth embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

1 to 3 are a perspective view and a sectional view showing a state of an elastic joint device for a railway vehicle according to a first embodiment of the present invention. And FIG. 4 is a cross-sectional view illustrating a substantial part of an elastic joint device for a railway vehicle according to a first embodiment of the present invention.

1 to 4, an elastic joint apparatus for a railway vehicle according to a first embodiment of the present invention includes a base plate 50, a traction shaft 12, an elastic member 40, a bush 100 ).

The base plate 50 is connected to a railway vehicle and has a through hole 52 at a central portion thereof. In this embodiment, the base plate 50 is connected to the railway car by a bracket 20 directly connected to the frame of the railway car, and the through hole 52 corresponds to the cross-sectional shape of the traction shaft 12 And formed into a circular shape.

The pair of elastic members 40 are formed in a ring shape, and contact the one side surface and the other side surface of the base plate 50, respectively, to absorb impact. At this time, the pulling shaft 12 is provided to pass through the center of the elastic member 40. An elastic member in contact with one side surface of the base plate 50 is referred to as a first elastic member 40a and an elastic member in contact with the other side surface of the base plate 50 is referred to as a second elastic member 40b.

That is, the pulling shaft 12 has a shape passing through the first elastic member 40a, the base plate 50, and the second elastic member 40b, and in this embodiment, the base plate 50 The through hole 52 is formed to be larger than the diameter of the traction shaft 12 so that the traction shaft 12 can be angularly adjusted within the through hole 52.

The end plate 30 is spaced apart from the base plate 50 at one side of the drawing shaft 12 and accommodates the second elastic member 40b between the base plate 50 and the base plate 50. [ Respectively. The connector body 10 is further provided at the other side of the pulling shaft 12 and spaced apart from the base plate 50 to receive the first elastic member 40a between the base plate 50 and the pulling shaft 12. [ At this time, on the end of the connector body 10, a contact portion 14 is formed which is in contact with the first elastic member 40a and whose diameter gradually expands.

Meanwhile, in the present embodiment, the through hole 52 of the base plate 50 is provided with the bush 100 along the periphery thereof.

The bushing 100 serves to prevent abrasion of the base plate 50 due to the flow of the traction shaft 12 and to provide horizontal and vertical supporting forces to the elastic member 40.

Specifically, in the present embodiment, the bushing 100 includes a protrusion 110 protruding toward the through-hole 52, a protrusion 110 extending in the longitudinal direction of the pulling shaft 12, And includes an extension 120 that contacts to provide a vertical support force.

That is, the protrusion 110 is formed so as to surround the periphery of the pulling shaft 12 to allow the pulling shaft 12 to smoothly flow. The extended portion 120 has a width greater than the width of the base plate 50 And protrudes to both sides of the base plate 50 and contacts a part of the elastic member 40 to provide a supporting force.

As described above, according to the present invention, the elastic members 40 on both sides can be stably supported by the extension part 120 of the bushing 100, thereby preventing the elastic members 40 from being separated and deformed, The safety during operation can be greatly improved and the horizontal and vertical load bearing capacity by the elastic member 40 can be maximized.

More specifically, in the present embodiment, the protrusion 110 includes a sloped surface 112 exposed in the direction of the through-hole 52, and the protrusion 110 has a cross-sectional area .

5, the bushing 100 can be moved in a direction in which the drawing shaft 12 can be moved in the direction of the base 120. In addition, since the inclined surface 112 is formed in the protrusion 110, It is possible to prevent direct contact with the plate 50. At this time, the flow range of the traction shaft 12 may be determined according to the angle of the inclined surface 112 of the protrusion 110.

Also, in the present embodiment, the protrusion 110 and the extension 120 are formed as separate members separated from each other. In other words, the protrusion 110 and the extension 120 are formed as ring-shaped members separated from each other. In particular, the extension 120 is formed to have a larger diameter than the protrusion 110, As shown in Fig. At this time, the extending portion 120 is formed with a seating groove, and the projection 110 can be seated in the seating groove.

Since the projecting portion 110 and the extending portion 120 are formed as separate members, friction and pressure due to the flow of the pulling shaft 12 can be easily dispersed, The abrasion of the substrate 100 itself can be minimized.

In the present embodiment, the extending portion 120 is divided into two portions on the basis of the longitudinal center line of the through-hole 52. That is, the extending portion 120 is divided with respect to the center of the width direction of the base plate 50 to form the first extending portion 120a and the second extending portion 120b, As shown in Fig.

Since the extension portion 120 is divided into two members, when the pull shaft 12 rotates at a predetermined angle, the first extension portion 120a and the second extension portion 120b move in both directions So that the elastic member 40 can be pressed and the horizontal and vertical support force of the elastic member 40 can be further improved.

The first embodiment of the present invention has been described above, and other embodiments of the present invention will be described below in order.

6 is a cross-sectional view showing a main part of an elastic joint device for a railway vehicle according to a second embodiment of the present invention.

In the case of the second embodiment of the present invention shown in FIG. 6, all the components are the same as those of the first embodiment, but the detailed shapes of the bushes 100 are formed differently.

Specifically, in the present embodiment, the extension 120 of the bushing 100 is formed such that the area of contact with the elastic member 40 has a curvature corresponding to that of the elastic member 40.

That is, in the present embodiment, the first extended portion 120a and the second extended portion 120b are formed in curved surfaces corresponding to the curved surfaces of the elastic members 40, respectively, , So that it is possible to provide a stable supporting force while maintaining the shape of the elastic member 40 as it is.

Therefore, it is possible to prevent the loss of the elastic force of the contact area of the elastic member 40 and to prevent the area from being damaged.

FIG. 7 is a cross-sectional view illustrating a substantial part of an elastic joint device for a railway vehicle according to a third embodiment of the present invention.

In the case of the third embodiment of the present invention shown in FIG. 7, all the components are the same as those of the first embodiment described above, but the detailed shapes of the end plates 30 are formed differently.

Specifically, in the present embodiment, the end plate 30 includes a first seating groove 32 corresponding to the curvature of the second elastic member 40b so that the second elastic member 40b is seated.

That is, in the present embodiment, the end plate 30 can more stably fix the second elastic member 40b and can reinforce the supporting force in the vertical and horizontal directions together with the bush 100.

FIG. 8 is a cross-sectional view showing a main part of an elastic joint device for a railway vehicle according to a fourth embodiment of the present invention.

In the case of the fourth embodiment of the present invention shown in FIG. 8, all the components are the same as those of the third embodiment, but the shape of the contact portion 14 of the connector body 10 is differently formed.

Specifically, in this embodiment, the contact portion 30 of the connector body 10 includes a second seating groove 15 corresponding to the curvature of the first elastic member 40a so that the first elastic member 40a is seated, .

That is, the second seating groove 15 can more stably fix the first elastic member 40a, like the first seating groove 32 of the end plate 30, The supporting force in the vertical and horizontal directions can be reinforced.

Therefore, the first elastic member 40a and the second elastic member 40b of the present embodiment are respectively connected to the extension 120 of the bush 110, the first seating groove 32 of the end plate 30, Can be stably supported by the second seating groove (15) of the connector body (10).

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: Connector body 12: Traction shaft
14: contact portion 15: second seat groove
20: Bracket 30: End plate
32: first seating groove 40: elastic member
50: base plate 52: through hole
100: Bush 110: Projection
112: sloped surface 120:

Claims (12)

A base plate connected to the railway car and having a through hole;
A traction shaft inserted into the through hole and passing through the base plate;
A pair of elastic members formed in a ring shape and contacting the one side surface and the other side surface of the base plate while being penetrated by the pulling shaft to absorb the impact; And
A bush which is provided around the through hole and has a projection protruding toward the through hole and an extension extending in the longitudinal direction of the traction shaft and contacting the elastic member to provide horizontal and vertical support forces;
And an elastic joint device for a railway vehicle. The method according to claim 1,
Wherein the projecting portion includes an inclined surface exposed in the through-hole direction. 3. The method of claim 2,
And the protruding portion is formed so that an area of a cross section decreases toward the through-hole direction. The method according to claim 1,
Wherein the protruding portion and the extending portion are formed of separate members separated from each other. 5. The method of claim 4,
A receiving groove is formed in the extended portion,
And the protruding portion is seated in the receiving groove. 5. The method of claim 4,
The extension
Wherein the through hole is divided into two sides with respect to a longitudinal center line of the through hole. The method according to claim 1,
Wherein the extended portion has a curvature corresponding to the elastic member in a region where the elastic member is in contact with the elastic member. The method according to claim 1,
And an end plate spaced apart from the base plate and accommodating any one of the pair of elastic members between the base plate and the one end of the pulling shaft. 9. The method of claim 8,
Wherein the end plate includes a first seating groove corresponding to a curvature of the elastic member so that the elastic member is seated. The method according to claim 1,
And a connector body spaced apart from the base plate and accommodating any one of the pair of elastic members between the base plate and the other side of the pulling shaft. 11. The method of claim 10,
And the connector body includes a second seating groove corresponding to a curvature of the elastic member so that the elastic member is seated. A connector for a railway vehicle comprising the elastic joint device for a railway vehicle according to any one of claims 1 to 11.
KR1020150136503A 2015-09-25 2015-09-25 Shock Absorbing Device for Rolling Stock and Coupler for Rolling Stock Having the Same KR101746691B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150136503A KR101746691B1 (en) 2015-09-25 2015-09-25 Shock Absorbing Device for Rolling Stock and Coupler for Rolling Stock Having the Same

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Application Number Priority Date Filing Date Title
KR1020150136503A KR101746691B1 (en) 2015-09-25 2015-09-25 Shock Absorbing Device for Rolling Stock and Coupler for Rolling Stock Having the Same

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KR20170037228A true KR20170037228A (en) 2017-04-04
KR101746691B1 KR101746691B1 (en) 2017-06-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112061168A (en) * 2020-09-17 2020-12-11 中车大同电力机车有限公司 Coupler anti-disengaging device and rail vehicle
KR102240114B1 (en) * 2019-10-11 2021-04-15 한국철도기술연구원 a coupler for a railway vehicle
WO2022211143A1 (en) * 2021-03-30 2022-10-06 한국철도기술연구원 Connector for railroad vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200495031Y1 (en) 2020-06-17 2022-02-17 대구도시철도공사 Coupler liner for electric train

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI1785329T1 (en) * 2005-11-15 2008-08-31 Voith Turbo Scharfenberg Gmbh Joint structure
KR101381379B1 (en) * 2012-10-24 2014-04-15 유진기공산업주식회사 Bush assembly and coupler for a railway vehicle having the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102240114B1 (en) * 2019-10-11 2021-04-15 한국철도기술연구원 a coupler for a railway vehicle
CN112061168A (en) * 2020-09-17 2020-12-11 中车大同电力机车有限公司 Coupler anti-disengaging device and rail vehicle
WO2022211143A1 (en) * 2021-03-30 2022-10-06 한국철도기술연구원 Connector for railroad vehicle
JP2023527253A (en) * 2021-03-30 2023-06-28 コリア レイルロード リサーチ インスティテュート Coupler for railway vehicle

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