KR20130120683A

KR20130120683A - Track branching apparatus

Info

Publication number: KR20130120683A
Application number: KR1020120043770A
Authority: KR
Inventors: 황종균
Original assignee: 주식회사 대명엔지니어링
Priority date: 2012-04-26
Filing date: 2012-04-26
Publication date: 2013-11-05

Abstract

The present invention relates to a turnout having three short spans, which comprises a movable girder body and a drive unit for moving the movable girder body. The movable girder body comprises: a first short span girder; a second short span girder which is connected to the first short span girder to be rotated; a third short span girder which is connected to the second short span girder to be rotated; and a first long span girder which is connected to the third short span girder to be rotated. The turnout having three short spans prevents the girders from sagging and maintains the rigidity of the girders by reducing the length of the first long span girder because the rotation angle between the girders moved by the drive unit is less than 2.3 degrees.

Description

Track diverter with three short spans {TRACK BRANCHING APPARATUS}

The present invention relates to an orbital diverter having three short spans, and in particular, a movable girder body and a drive unit for moving the movable girder body, wherein the movable girder body includes a first short span girder and the A second short span girder rotatably connected to a first short span girder, a third short span girder rotatably connected to the second short span girder, and a first first span rotatably connected to the third short span girder It includes a long span girders, and the rotation angle between the girders after the girder is moved by the drive unit is less than 2.3 degrees and relates to a track diverter having three short spans applicable to the magnetic levitation train.

The conventional track divider having three short spans is shown in Korean Patent Publication No. 0894314 (Document 1). In addition, Korean Patent Registration No. 861043, Korean Patent Registration No. 915957, Korean Patent Registration No. 848277, Korean Patent Registration No. 1016427, Korean Patent Registration No. 029528, Korean Patent Registration No. 113154, Korea There are those disclosed in Korean Patent Publication No. 1071613, Korean Patent Laid-Open Publication No. 20100026616, Korean Laid-Open Patent Publication No. 20100124476, Korean Laid-Open Patent Publication No. 20110069750, Korean Laid-Open Patent Publication No. 20110111703, Korean Laid-Open Patent Publication No. 20110111702 .

In Document 1, the girder 1 is turned by the turning mechanisms G1 to G4. When the motor M rotates, the turning mechanisms G1 to G4 turn the horizontal rotation power of the shaft S to the vertical rotation power to rotate the respective crank arms CA, and the crank arm CA rotates in the slots SL So that the girder 1 is turned left and right.

The girder 1 is positioned on the connecting girder 4 or the fixed girder 2 or 3 depending on the degree of turning.

The upper girder 1 has a structure that rotates in combination with a plurality of joints such as a left girder, a center girder, and a right girder, and the left girder is longer than the center girder and the right girder. After the movement of the left girder, which is a long girder, is completed, a pin type locking device is installed to fix the position.

However, such a conventional branching machine has a long length span girder has a long length, there is a problem that requires a separate action for preventing sagging and maintaining rigidity, there is a problem that also increases the total weight of the branching.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide an orbital diverter having three short spans in which the long span girder length is reduced to prevent sag and rigidity is maintained.

An orbital diverter having three short spans of the present invention for achieving the above object includes a movable girder body and a drive unit for moving the movable girder body, wherein the movable girder body includes: a first short span girder; And a second short span girder rotatably connected to the first short span girder and a third short span girder rotatably connected to the second short span girder, and rotatably connected to the third short span girder. It includes a first long span girders, the angle of rotation between each girder after the girders are moved by the drive unit is less than 2.3 degrees.

According to the track diverter having three short spans of the present invention as described above, the following effects are obtained.

A movable girder body and a driving unit for moving the movable girder body, wherein the movable girder body includes a first short span girder and a second short span girder rotatably connected to the first short span girder; And a third long span girder rotatably connected to the second short span girder, and a first long span girder rotatably connected to the third short span girder, wherein each girder is moved by the drive unit. The rotation angle of is less than 2.3 degrees, so that the long span girder length is reduced to prevent sagging and rigidity is maintained.

Fig. 1 is a perspective view of a conventional apparatus.
2 is a front view of a track diverter having three short spans according to a preferred embodiment of the present invention.
Figure 3 is an enlarged view of the track splitter connecting girder with three short spans according to a preferred embodiment of the present invention.
Figure 4 is a plan view of Figure 3;
5 is an enlarged view of a portion of a track diverter locking device having three short spans according to a preferred embodiment of the present invention.
6 is a plan view of a track splitter having three short spans according to a preferred embodiment of the present invention.
Figure 7 is a schematic diagram showing the rotation angle and the overall length of the track branch (b) having three short spans in accordance with a preferred embodiment of the present invention compared to the conventional branch (a).

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

For reference, the same components as those of the conventional art will be described with reference to the above-described prior art, and a detailed description thereof will be omitted.

As shown in Figures 2 to 7, the track divider having three short spans of the present embodiment includes a movable girder body and a driving unit for moving the movable girder body, wherein the movable girder body includes: a first A short span girder 210, a second short span girder 220 rotatably connected to the first short span girder 210, and a third rotatably connected to the second short span girder 220. A short span girder 230 and a first long span girder 300 rotatably connected to the third short span girder 230, the angle of rotation between each girder after the girders are moved by the drive unit (α1,2,3,4) is less than 2.3 degrees.

The fixed girder 100 is fixed with respect to the ground.

At the right end of the fixed girder 100, a rail 110 is formed.

The rails 110 are disposed on upper and lower sides of the fixed girder 100, respectively.

That is, two rails 110 are provided in the width direction, and two rails 110 are provided in the vertical direction, and a total of four rails 110 are provided.

The rail 110 includes a top plate 111, a bottom plate 112, and a center plate 113 integrally connecting the top plate 111 and the bottom plate 112, and has a cross section in a diagonal shape. At both ends of the upper plate 111 and the lower plate 112, an inclined surface is formed. The inclination is formed such that the distance between the upper plate 111 and the lower plate 112 increases toward both ends of the rail 110.

The movable girder body can be pivoted relative to the fixed girder (100).

The movable girder body pivots about the ground horizontally.

The movable girder main body is rotatably installed around a hinge installed at one side and has a first short span girder 210 serving as a starting end girder, and a second rotatable connected to the first short span girder 210. A short span girder 220, a third short span girder 230 rotatably connected to the second short span girder 220, and a first short span girder 230 rotatably connected to the third short span girder 230. Long span girders 300 are included.

Hinges are provided between the girders so that they can rotate relative to each other around the hinge.

Thus, the short-girder girders are provided one more than the existing (two), the angle relief device is provided with two, two more than the existing (6).

In addition, as shown in Figure 6, after the completion of the movement of the turner, the angle of rotation (α1, 2, 3, 4) between each girder is smaller than the conventional rotation angle of 2.3 degrees.

After the girder is moved by the drive unit, the respective angles of rotation between the first short span girder 210, the second short span girder 220, the third short span girder 230, and the first long span girder 300. The first angle α1, the second angle α2, the third angle α3, and the fourth angle α4 are smaller than 2.3 degrees.

The angle of rotation between each girder of this embodiment at the time of branching is 1.72 or 1.73 degrees.

In this way, three or more short span girders are provided, and one long span girder is provided, and the rotation angle between the girders is smaller than 2.3 degrees, so that the height h of the girder is 1000 mm lower than the conventional (1400 mm). So that the weight is reduced. In addition, the total weight of the track diverter having three short spans may be about 32 tons, which is smaller than the conventional (about 40 tons). In addition, the length of the long span girders can be shorter than the conventional (18000mm) to 14000mm, so that sagging is prevented and the rigidity of the long span girders can be maintained even without any action on the long span girders.

In addition, links (500) rotatably installed on the ground are connected to the lower portions of the respective girders.

The link 500 allows the movable girder main body to move along an arc trajectory.

The connecting girder 400 connects the fixed girder 100 and the movable girder main body.

The connecting girder 400 is connected to the end of the first long-span girder 300 of the movable girder main body by a hinge 410 so that the connecting span 400 is relatively rotatable with respect to the first long-

A shaft is provided at the left end of the connecting girder 400, and a guide roller 420 is rotatably installed at the upper shaft.

When the connecting girder 400 is pivoted together with the movable girder body to approach the fixed girder 100, the upper guide roller 420 is guided along the inclined surface of the rail 110, The upper surface of the plate 112 causes the connecting girder 400 to be positioned in the fixed girder 100 at the correct position.

And a locking device (600) for locking the movable girder body after completion of movement of the movable girder body.

The locking device 600 includes a locking pin 620 protruding in the longitudinal direction of the movable girder body, a locking pin receiver 640 fixed to the locking pin 620 at a position corresponding to the locking pin 620, And a pin guide 630 installed on the girder body and disposed between the locking pin 620 and the locking pin receiver 640 and slidably inserted into the locking pin 620.

The locking pin 620 can be moved laterally by the cylinder 610.

The locking pin 620 is installed in the cylinder 610 and is installed through a pin in the piston 650 moving in the longitudinal direction of the girder.

A protrusion 651 is provided at an end of the piston 650 which is connected to the locking pin 620. Thus, the protrusion 651 is disposed between the locking pin 620 and the zebra surrounding the piston 650.

The protrusion 651 is formed in a plate shape having a through hole 654 through which the piston 650 is inserted. The through hole 654 is eccentrically disposed at the lower portion and the protrusion 651 protrudes to the upper portion of the piston 650 and the locking pin 620 when the protrusion 651 is installed on the piston 650. The protrusion 651 is formed at the lower portion with a fastening hole 653 for fastening the bolt to communicate with the through hole 654 so that the protrusion 651 can be firmly fixed to the piston 650 and the protrusion 651 It can be easily replaced or repositioned.

Bolt fastening holes are formed in the upper portion of the protrusion 651 in the longitudinal direction of the girder. A bolt 652 is provided on the bolt fastening hole, and the upper portion of the protruding portion 651 protrudes toward the locking pin 620. The bolts 652 are provided on the protrusions 651 so that the degree of protrusion of the protrusions 651 in the direction of the locking pins 620 can be adjusted.

The locking pin receiver 640 may be installed on the fixed girder 100 or may be installed on a bracket 550 fixedly mounted on the ground.

The locking pin receiver 640 is provided with two rollers 641 in the widthwise direction of the track.

The roller 641 can rotate around an axis in the vertical direction.

The roller 641 is provided as a concave roller.

The locking pin receiver 640 is provided with a first sensing member 642 on an upper plate 643 for supporting the upper portion of the roller 641.

Specifically, the first sensing member 642 is disposed between the rollers 641 arranged in the width direction. That is, the first sensing member 642 is disposed above the space where the locking pin 620 is disposed between the rollers 641. Further, the first sensing member 642 is disposed at the inlet side into which the locking pin 620 is introduced. The first sensing member 642 can sense the position of the end of the locking pin 620 to determine whether the locking is smooth or not, Can be used as information for.

The pin guide 630 is installed below the connecting girder 400, or installed below the movable girder main body.

The pin guide 630 has two guide rollers 631 to guide the locking pin 620.

It is preferable that the guide roller 631 is provided with four rollers, two in the left and right direction and two in the width direction.

The guide roller 631 can also rotate about the vertical axis.

The guide roller 631 is provided as a concave roller so that when the locking pin 620 is inserted between the guide rollers 631, it contacts the rectangular locking pin 620 and the concave portion 632 of the concave roller.

The concave portion 632 is formed by forming a groove along the circumferential direction on the outer peripheral surface of the intermediate portion of the guide roller 631. [ That is, the concave portion 632 is formed so as to have a diameter smaller than the other portions of the guide roller 631.

The pin guide 630 is also provided with a second sensing member 632 on an upper plate 633 for supporting the upper portion of the guide roller 631.

Specifically, the second sensing member 632 is disposed between the guide rollers 631 arranged in the width direction. That is, the second sensing member 632 is disposed above the space in which the locking pin 620 is disposed between the guiding rollers 631. Further, the second sensing member 632 is disposed at the entrance side where the locking pin 620 is introduced. Such a second sensing member 632 can sense the position of the end of the locking pin 620 or sense the position of the protrusion 651 to determine whether the locking and guiding are smooth , So that the branching can be controlled or used as information for maintenance.

When the movable girder body and the connecting girder 400 turn and approach the fixed girder 100, the guide rollers 420 are guided by the rails 110 to reach a predetermined position. The locking pin 620 is moved to the left by the cylinder 610 and inserted between the plurality of guide rollers 631 and the roller 641 so that the movable girder body and the connecting girder 400 are fixed .

When the movable girder main body and the connecting girder 400 are turned, the locking pin 620 is separated from the roller 641 by the cylinder 610, and then the movable girder main body is turned.

In this way, the locking pin 620 is smoothly guided and the locking can be smoothly performed.

The driving unit moves the movable girder body.

The driving unit includes a motor 900, a crank arm 800 rotated by the motor 900, and an arm guide 700 for guiding the crank arm 800.

The motor 900 is installed on the ground and drives the crank arm 800 described below.

The crank arm 800 is connected to the motor 900 through a connecting member and fixed to the ground.

The connecting member rotates the crank arm 800 by converting the horizontal rotational power of the motor 900 to the vertical rotational power.

The arm guide 700 guides the crank arm 800 and is installed in the first long span girder 300.

The crank arm 800 is slidably fixed to the arm guide 700 to pivot the movable girder body.

Turning the movable girder body using the crank arm 800 and the arm guide 700 is already known, and thus a detailed description thereof will be omitted.

A stopper for limiting the rotation angle of each girder of the movable girder body may be provided.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims .

DESCRIPTION OF REFERENCE NUMERALS
100: fixed girder 210: first stage span girder
220: second stage span girder 230: third stage span girder
300: chapter 1 girder
400: connecting girder 500: link
600: locking device 700: arm guide
800: crank arm 900: motor

Claims

Movable girder main body;
It includes a drive unit for moving the movable girder body,
The movable girder body includes a first short span girder, a second short span girder rotatably connected to the first short span girder, and a third short span girder rotatably connected to the second short span girder, and A first long span girder rotatably connected to the third short span girder,
After the girders are moved by the drive unit rotation angle between each girder is characterized in that the track diverter having three short spans, characterized in that less than 2.3 degrees.