WO2017018572A1

WO2017018572A1 - Tool for catching lower part of rail

Info

Publication number: WO2017018572A1
Application number: PCT/KR2015/008490
Authority: WO
Inventors: 김해곤; 전재호; 김준현; 신현섭; 정필정; 박용연; 송상헌; 김성진; 정상순
Original assignee: 한국철도공사
Priority date: 2015-07-28
Filing date: 2015-08-13
Publication date: 2017-02-02
Also published as: KR101650047B1

Abstract

The present invention relates to a tool used for shifting a rail. A tool for catching a lower part of a rail, according to an embodiment of the present invention, comprises: a rail support part inserted into a part of the rail; a bar coupling part disposed on a straight line together with the rail support part and having a bar coupling hole formed therein so as to be opposite to the rail support part; a folding hinge part that connects the bar coupling part and the rail support part and rotates only in the opposite direction to that in which the bar coupling part is lifted up while rail shifting such that the rail support part is folded from the bar coupling part; a return spring provided on the bar coupling part to support the rail support part by means of a resilient force such that the rail support part returns to the first position in the state in which the rail support part is folded from the bar coupling part; and a bar-shaped handle bar coupled to the bar coupling hole to apply a force. Accordingly, it is possible to prevent safety accidents caused by the tool while rail shifting.

Description

Rail bottom catch tool

The present invention relates to a tool for use in converting railway rails.

In general, when a problem occurs in a railway rail, it leads to a large accident, so inspects the railway rail periodically, and when a problem occurs in the railway rail, replaces the railway rail or repairs it.

On the other hand, when performing a conversion operation to replace the railroad rail, the presser foot tool (also called parour) is pushed up to be pushed aside while being inserted into the bottom support of the railroad rail and pushes the railroad rail inward or outward on the track.

However, in recent years, as most of the pole rails are installed, the non-coiled rails are supplied to the site from the existing non-coated rails, and thus tools for handling the non-coiled rails are required.

As a result, the railroad rail is converted from the existing presser footing tool to the support of the railroad rail, and the presser footing tool must be separated from the railroad rail before it passes over a certain angle due to the weight of the railroad (approximately 1 ton). , When the presser foot is firmly plugged in, the presser foot tool does not easily fall out, and the presser foot tool rotates with the railroad rail and hits the worker, resulting in a safety accident in which the worker is injured.

In addition, since the length of the presser foot tool is made long, there is a problem in that the portability.

[Preceding technical literature]

[Patent Documents]

Korean Patent Publication No. 10-2013-0038490 (published April 18, 2013)

Korean Laid-Open Patent Publication No. 10-2014-0070052 (published Oct. 10, 2011)

The present invention has been made to solve the problems as described above, the problem to be solved by the present invention is to prevent the railway rail and the tool to turn over together when the railway rail is switched, the occurrence of a safety accident injured workers It is to provide a tool for catching the rail bottom that can be prevented at the same time and easy to carry.

Rail bottom catching tool according to an embodiment of the present invention for achieving the above object is disposed in line with the rail support portion, the rail support portion fitted to a portion of the rail rail, the bar in the opposite direction where the rail support portion is located Bar coupling portion formed with a coupling hole, when switching the railway rail, the bar coupling portion to the bar coupling portion and the rail support portion to be rotated in the opposite direction of the direction of lifting the bar coupling portion to bend the rail support portion in the bar coupling portion A bent hinge portion, a return spring for supporting the rail support portion by elastic force in the bar coupling portion so that the rail support portion returns to the initial position in a state where the rail support portion is bent at the bar coupling portion, and coupled to the bar coupling hole It includes a bar-shaped handle bar that applies force.

The rail support portion has a rail fitting portion formed with a fitting groove into which the bottom of the railway rail is fitted, an upper spaced portion protruding upward from the rail fitting portion by the height of the railway rail, and the upper spaced portion so as to be in line with the bar coupling portion. The side may include a side protrusion protruding in the lateral direction.

The lateral protrusion may be formed upwardly at an angle of less than 30 ° to less than 60 ° with respect to the horizontal line.

The rail support part may include a fitting pin part fitted to a bolt fastening hole formed in the railroad rail, and a support plate part fitted to the fitting pin part and covering the bolt fastening hole.

The choir support plate part may include a pin hole into which the fitting pin part is fitted, and a fixing member for adjusting and fixing the position of the support plate part in the fitting pin part inserted through the pin hole.

The handle bar includes a bar fastening part protruding from one end to be fitted into the bar coupling hole, and a bar insertion hole formed at the other end in a shape corresponding to the bar coupling hole so that the handle bar is connected and fitted, thereby selecting the handle bar. It can be used by connecting more than one.

The bar coupling unit may include fixing means for selectively fixing the rail support unit in the bar coupling unit so as not to be bent.

According to the present invention, when the railway rail is switched, the rail rail supporting the railway rail and the handle bar supporting the railway rail and the handle bar are connected by the folding hinge, so that the railway rail and the tool are rotated together. By preventing it, it is possible to prevent the occurrence of a safety accident in which the tool hits the worker.

In addition, since the handle portion is spaced apart from the floor and the angle is upwardly increased, not only can the tool be easily inserted into the railway rail, but also the worker's fatigue can be reduced by minimizing the waist bending of the worker.

In addition, the fixing means may be provided and used with a conventional tool according to the selection.

In addition, since a plurality of handle bars can be connected or separated, the work force can be minimized and portability can be improved.

1 is a perspective view of a rail bottom catching tool according to an embodiment of the present invention.

Figure 2 is a perspective view showing a rail bottom catching tool according to an embodiment of the present invention, an enlarged perspective view of a portion supporting the railway rail.

3 is a side cross-sectional view of FIG. 2.

4 is a state diagram of use of the tool for catching the rail bottom according to an embodiment of the present invention.

Figure 5 is a side view showing a tool for catching the rail bottom according to another embodiment of the present invention.

Figure 6 is a perspective view of a tool for catching the rail bottom according to another embodiment of the present invention.

7 is a side cross-sectional view of FIG. 6.

[Description of the code]

100: rail bottom catch tool 110, 160: rail support

111: rail fitting portion 112: fitting groove

113: upper separation portion 115: side projection

120: bar coupling portion 121: bar coupling hole

130: folded hinge 131: hinge

140: return spring 141: ring

150: handle bar 151: bar fastening portion

153: bar insertion hole 161: fitting pin

162: support plate portion 163: pin ball

164,175: fixing member 170: fixing means

171,173: Overhang fixing part 200: railway rail

210: bottom 230: head

250: neck 251: bolt fastener

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

First, the rail bottom catching tool 100 according to the present invention can be used not only when the rail rail 200 is switched, for example, when rail replacement and rail repair are performed, but also when the H-shaped steel is switched at the construction site. Can be used.

1 to 3, the rail bottom catching tool 100 according to an embodiment of the present invention may include a rail support 110.

The rail support unit 110 may support the railroad rail 200.

Meanwhile, the rail support 110 may include a rail fitting 111, an upper spaced portion 113, and a side protrusion 115.

The rail fitting portion 111 may have a fitting groove 112 formed to be fitted to the bottom portion 210 positioned at the bottom of the railway rail 200, and the rail fitting portion located at the upper portion of the fitting groove 112. The part 111 may be formed with an end upwardly to be supported in close contact with the neck part 250 connecting the bottom part 210 and the head part 230 of the railroad 200.

In addition, the upper spaced portion 113 is the upper portion in the opposite direction in which the fitting groove 112 is formed in the rail fitting portion 111 so as not to be caught in the rail located in the opposite direction in which the handle bar 150 to be described below will work. It may be formed to protrude.

On the other hand, the upper spaced portion 113 may be formed to protrude by the height (approximately 10cm to 15cm) of the rail, and when the side protrusions 115 to be described below are formed to be inclined, to be formed to a height lower than the height of the rail It may be.

In addition, the side protrusion 115 may protrude from the upper end of the rail fitting portion 111 to the side.

In addition, the side protrusion 115 may be located in line with the bar coupling unit to be described below, and the side protrusion 115 has an outer end of the angle range R of less than 30 ° to 60 ° with respect to the horizontal line (R). It may be upwardly formed.

Here, when the side projection 115 is raised to less than 30 ° with respect to the horizontal line, the body's fatigue increases because the worker's movement radius increases, and if it exceeds 60 °, the handle to beat the railway rails 200 There is a problem in that the bar 150 needs to rotate over the railroad 200.

The rail support part 110 configured as described above is spaced apart by the height of the railroad rail by the upper spaced part, and the side protrusion is raised, so that the rail support part 110 can be easily fitted to the railroad rail 200, and the switching is performed. To minimize the interference of the handle bar 150 by the railway rail 200 and the adjacent railway rail 200 to perform, it is possible to minimize the fatigue of the operator.

1 to 3, the rail bottom catching tool 100 according to an embodiment of the present invention may include a bar coupling part 120.

The bar coupling portion 120 may be coupled to the handle bar 150 to be described below.

On the other hand, the bar coupling portion 120 may be formed in the shape of a rod, it may be located in a straight line with the side protrusion (115).

In addition, a bar coupling hole 121 may be formed in the bar coupling part 120, and a thread may be formed in the bar coupling hole 121 so that the handle bar 150 may be screwed and coupled.

Rail bottom catch tool 100 according to an embodiment of the present invention may include a bent hinge (130).

The bent hinge 130 may connect the bar coupling part 120 and the rail support part 110 so that the rail support part 110 may be rotated and bent in the bar coupling part 120.

On the other hand, when the bending hinge 130 is viewed from the side of the bar coupling portion 120 and the rail support 110, the hinge 131 is located on one side bar coupling to be rotatable around the hinge 131 The unit 120 and the rail support 110 may be connected.

At this time, the hinge portion 130, the portion where the hinge 131 is located is rotatable around the hinge 131 point, the side of the opposite direction in which the hinge 131 is located and the bar coupling portion 120 Because the rail support 110 abuts, it cannot rotate.

1 to 3, the rail bottom catching tool 100 according to an embodiment of the present invention may include a return spring 140.

The return spring 140 is a bar coupling portion such that the bar coupling portion 120 and the rail support portion 110 are positioned in a straight line at an initial position when the rail support portion 110 is bent and rotated in the bar coupling portion 120. At 120, the rail support 110 may be returned by the elastic force.

On the other hand, one end of the return spring 140 is fixed to the bar coupling portion 120, the other end is coupled to the rail support 110, when the rail support 110 in the bar coupling portion 120 is rotated and bent, the elastic force This can be configured to occur and return to the initial position.

At this time, when the return spring 140 is fixed to the bar coupling portion 120 and the rail support 110 when viewed from the side, both ends of the bar coupling portion on the outer side of the opposite direction in which the hinge 131 is located. 120 and the rail support 110 may be coupled, and the return spring 140 may be hooked to the bar coupling portion 120 and the rail support 110 to which the return spring 140 is fixed. 141 may be provided.

In addition, the pair of return springs 140 may be spaced apart from each other.

1 to 3, the rail bottom catching tool 100 according to an embodiment of the present invention may include a handle bar 150.

The handle bar 150 may be formed in a rod shape, the operator can apply a force by holding.

Meanwhile, the handle bar 150 may include a bar fastening part 151 and a bar insertion hole 153.

The bar fastening portion 151 may be formed to protrude from one end of the handle bar 150, the outer surface may be formed with a screw thread to be screwed with the screw thread formed in the bar coupling hole 121.

Bar insertion hole 153 is formed at the other end of the handle bar 150 may be formed in the same manner as the bar coupling hole 121 so that the bar fastening portion 151 of the other handle bar 150 can be fitted and coupled, A thread may be formed on an inner surface of the bar fastening portion 151.

The handle bar 150 configured as described above may be used by connecting a plurality of bars in the form of fastening the bar fastening portion 151 to the bar insertion hole 153 so that the length thereof is extended, and the handle bar 150 located at the end thereof. Handle bar 150 may be coupled to the bar coupling portion 120 in the form of screwing the bar coupling portion 151 of the bar coupling hole 121 to the coupling.

Hereinafter, the operation and effects between the components will be described.

Rail bottom catching tool 100 according to an embodiment of the present invention is a bar coupling portion 120 to which the rail support 110 and the handle bar 150 supported by the railroad rail 200 is bent ( 130) are connected to each other.

At this time, the side engaging portion 115 of the bar coupling portion 120 and the rail support 110 is located in a straight line, the bent hinge portion 130 is viewed from the side, the bar coupling portion 120 and the rail support ( Located at one side of the 110, the other side is provided with a return spring 140 for returning to the initial position in the state in which the rail support 110 is folded in the bar coupling portion 120.

Then, the bar coupling hole 121 of the bar coupling portion 120 is coupled in the form of screwing the bar fastening portion 151 of the handle bar 150, the handle bar 150 is a bar insertion hole ( 153 can be used to extend the length by coupling the bar fastening portion 151 of the other handle bar 150 in the form of screwing.

Rail bottom catching tool 100 according to an embodiment of the present invention configured as described above, as shown in Figure 4, the bottom portion 210 of the railroad rail 200 to the fitting groove 112 of the rail support 110 Lift the handle bar 150 from the bottom up to switch the rail in the state 200 is inserted.

Here, the bottom portion 210 is inserted into the fitting groove 112 in a state where the bent hinge 130 connecting the rail support 110 and the bar coupling part 120 is positioned in the opposite direction to which the force is applied.

When the force is given, the railroad rail 200 is tilted outwardly on the track, and the railroad rail 200 is attenuated by about 1 ton. Aside from form

At this time, the rail support 110 is rotated quickly because it is fitted to the railroad rail 200, but the worker only the rail support 110 from the railroad rail 200 that is passed over because the worker grips the handle bar 150. By rotating and bending at the coupling part 120, the handle bar 150 may be prevented from rotating along with the railway rail 200.

Therefore, when the rail bottom catching tool 100 according to the embodiment of the present invention performs the switching operation of the railroad rail 200, the rail bottom catching tool 100 is inserted into the railroad rail 200 to rotate together. By preventing the handle bar 150 rotates together, it is possible to prevent the occurrence of a safety accident hurt the operator.

Hereinafter, the tool for catching the rail bottom 100 according to another embodiment of the present invention has the same configuration as the embodiment and the same reference numerals, the same configuration and the same operation and effect, so the detailed description thereof will be omitted.

Rail bottom catch tool 100 according to another embodiment of the present invention is characterized in that the rail support (160).

As shown in FIG. 5, the rail support 160 of the rail bottom catching tool 100 according to another embodiment of the present invention converts the railway rail 200 that is a precision rail that connects a plurality of rails instead of a factory-free rail. can do.

Meanwhile, the rail support part 160 may include a fitting pin part 161 and a support plate part 162.

The fitting pin 161 is formed in a bar shape in a straight line with the bar coupling portion 120, the end of the pin shape to be fitted into the bolt fastening hole 251 for fastening the bolts to connect the railroad 200 It may be pointed as shown.

On the other hand, the support plate portion 162 is a fitting pin portion larger than the bolt fastening hole 251 so that the fitting pin portion 161 partially inserted into the bolt fastening hole 251 can no longer be fitted over the railway rails 200. It may be formed in the form 161.

The support plate 162 has a pin hole 163 into which the fitting pin 161 is fitted, and the fitting pin 161 is fitted into the pin hole 163 so that the support plate 162 is fitted in the fitting pin 161. It may be coupled to the sliding movement along the pin portion 161.

At this time, the fixing member 164 for fixing the position of the supporting plate 162 in the fitting pin 161 in the form of pressing the outer peripheral surface of the fitting pin 161 through the pin hole 163 through The fixing member 164 may be implemented by a known bolt.

The rail support part 160 of the rail bottom catching tool 100 according to another embodiment configured as described above is fitted with the fitting pin part 161 in the pin hole 163 of the support plate part 162, and is supported by the fitting pin part 161. After setting the position of the plate portion 162 and fixing it with the fixing member 164, the railway rail in the form of fitting the fitting pin portion 161 protruding from the support plate portion 162 into the bolt fastening hole 251 of the railway rail 200. 200 may be supported.

Accordingly, the rail bottom catching tool 100 according to another embodiment may prevent the safety accident by easily converting the railway rail 200 which is a precision rail in which bolt fastening holes 251 are formed, rather than a rail without a stand. have.

In addition, since a plurality of handle bars 150 can be connected to each other, the force required for the work can be minimized, and the handle bars 150 are disassembled and carried, thereby making it easy to carry.

Hereinafter, the tool for catching the rail bottom 100 according to another embodiment of the present invention has the same configuration as the embodiment and the same reference numerals, and the same configuration and the same effect and effect are omitted.

As shown in Figures 6 and 7, the rail segmentation tool 100 according to another embodiment of the present invention may further include a fixing means 170.

The fixing means 170 may be fixed to the rail support 110 and the bar coupling portion 120 so as not to be bent by the bent hinge 130.

That is, the fixing means 170 is fixed to the fixing means 170 when it is advantageous to the work to be used so as not to bend, as in the usual tool, and release the fixing means 170 when it is advantageous to the work to bend it. Can be optionally used in the form of.

In addition, the fixing means 170 is rotated about a portion where the rail support 110 and the bar coupling portion 120 meet, more specifically, the bent hinge portion 130 on the side opposite to the bent hinge portion 130. When the rail support 110 and the bar coupling portion 120 is installed in a portion that is open so that the rail support 110 and the bar coupling portion 120 in a form that is fixed so as not to open the rail support portion from the bar coupling portion 120 110 can be fixed so as not to be bent.

Meanwhile, the fixing means 170 protrudes from each of the rail support 110 and the bar coupling 120 in a state in which the rail support 110 and the bar coupling 120 are disposed in a straight line, and overlaps each other. (171, 173) can be formed, and the overlapping protrusion fixing parts (171, 173) can be fixed in the form of penetrating and fastening by fixing members (175) such as bolts and nuts.

Therefore, the fixing means 170 in another embodiment by fixing the rail support 110 in the bar coupling portion 120 so as not to be bent, when pushing or pulling the converted rail rail 200, the rail support 110 ) Can prevent bending.

Although the embodiments of the present invention have been described above, the scope of the present invention is not limited thereto, and the present invention is easily changed and equivalent to those of ordinary skill in the art to which the present invention pertains. Includes all changes and modifications to the scope of the matter.

It can be used in railway, civil engineering, construction, etc. to carry or install section steel or rail.

Claims

A rail support part fitted to a part of the railway rail,

A bar coupling portion disposed in line with the rail support portion and having a bar coupling hole formed in an opposite direction in which the rail support portion is positioned;

When the railway rail is switched, the bending portion connecting the bar coupling portion and the rail support portion so that the rail support portion is bent at the bar coupling portion by rotating only in a direction opposite to the direction of lifting the bar coupling portion,

A return spring for supporting the rail support part by the elastic force so that the rail support part returns to the initial position while the rail support part is bent at the bar coupling part, and

And a rod-shaped handle bar coupled to the bar coupling hole to apply force.
The method of claim 1,

The rail support portion

Rail fitting portion is formed with a fitting groove that the bottom of the railway rail is fitted,

An upper spaced portion protruding upward from the rail fitting portion by the height of the railway rail, and

And a side protrusion projecting laterally from the upper spaced portion so as to be in line with the bar coupling portion.
The method of claim 1,

The side protrusion part

A rail bottom catching tool, characterized in that formed at an angle of 30 ° or more and less than 60 ° with respect to the horizontal line.
The method of claim 1,

The rail support portion

Fitting pin part fitted to the bolt fastening hole formed in the railway rail, and

And a support plate portion fitted to the fitting pin portion to span the bolt fastening hole.
The method of claim 4, wherein

The choir support plate part

A pin hole into which the fitting pin part is fitted, and

And a fixing member for adjusting and fixing the position of the support plate portion in the fitting pin portion inserted through the pin hole.
The method of claim 1,

The handle bar is

Bar fastening portion protruding from one end to fit into the bar coupling hole, and

And a bar insertion hole formed at the other end in a shape corresponding to the bar coupling hole so that the handle bar is connected and fitted, and a plurality of the handle bars are selectively connected and used.
The method of claim 1,

And a fixing means for selectively fixing the rail support at the bar coupling so that the rail support is not bent at the bar coupling.