KR20160120462A

KR20160120462A - Hanger

Info

Publication number: KR20160120462A
Application number: KR1020150049488A
Authority: KR
Inventors: 이진엽; 오대성; 권오명
Original assignee: 주식회사 포스코
Priority date: 2015-04-08
Filing date: 2015-04-08
Publication date: 2016-10-18

Abstract

A hanger is disclosed. According to an embodiment of the present invention, the hanger comprises: a driving wheel driven along a rail; a body unit supporting the driving wheel, and having an object support unit to connect an object; a support wheel supporting a lower surface of the rail, and connected to be lifted in the body unit; and an elastic member providing an elastic force to lift the support wheel toward a lower surface of the rail.

Description

Hanger {Hanger}

The present invention relates to a hanger, and more particularly, to a hanger which runs along a rail while supporting a cable or the like, and can be smoothly run even on a rail on which a bent portion exists.

A hanger is a device that travels along a rail installed on a ceiling in a state where an object to be transferred is placed in a state of being used, and is widely used in various industrial sites, docks and ships.

For example, a hoist crane used in an industrial field to transport heavy objects is a hoist that travels along an I-shaped rail installed on the ceiling and can lift a heavy object, a cable that supplies power to the hoist, Also includes a plurality of hangers that move along the rails.

The hanger is provided with a body portion, a cable support portion connected to the body portion to support the cable, and a plurality of traveling wheels provided on the body portion to run along the rails. When the hoist is running, .

On the other hand, the rails on which the hanger runs can include curves or bends depending on the characteristics of the site or the location of the facility. In the case of a normal hanger, the hanger may be caught in the rail and stopped traveling. If the hoist is driven while the hanger is stopped, an accident such as breakage of the cable may occur.

The embodiment of the present invention is intended to provide a hanger which can smoothly run even at a bent portion of a rail.

According to an aspect of the present invention, there is provided a traveling vehicle comprising: a traveling wheel traveling along a rail; A body portion supporting the traveling wheel and provided with an object support portion for connecting an object; A support wheel supporting a lower surface of the rail and being vertically connected to the body portion; And an elastic member for applying an elastic force to raise the support wheel to the underside of the rail.

The traveling wheel may include a first traveling wheel and a second traveling wheel that travel along both sides of the rail, the body portion includes a lateral member disposed at a lower portion of the rail and extending in a direction crossing the rail, And longitudinal members extending upward from both ends of the transverse member and connected to the axes of the first and second traveling wheels, respectively.

The hanger may further include a lifting connection portion supporting the support wheel while being rotatably connected to the body portion, and implementing a lifting and lowering of the support wheel by rotation.

The support wheel may include a first support wheel and a second support wheel spaced apart from each other in front of and behind the transverse member in the running direction, And a second lifting connection for supporting the second support wheel.

The elastic member may include a tension spring having both ends connected to the first lifting connection part and the second lifting connection part, respectively.

Both ends of the first and second lifting joints may be rotatably installed on a support shaft to which the two longitudinal members are connected.

The body portion may include a stopper portion extending toward the running direction.

The object support may include a cable support for supporting the cable.

Since the height of the first support wheel and the second support wheel can be adjusted according to the condition of the rail when the hanger according to the embodiment of the present invention is run on the curve or bend of the rail, can do.

In addition, the hanger according to the embodiment of the present invention can be easily pivoted along the form of the rail because the first traveling wheel and the second traveling wheel provided symmetrically on both sides of the rail can smoothly run even when there is a curved line or a curved portion on the rail. .

1 shows a hoist crane to which a hanger according to an embodiment of the present invention is applied.
2 is a side view showing a state where a hanger is installed on a rail according to an embodiment of the present invention.
3 is a perspective view showing a state where a hanger according to an embodiment of the present invention is installed on a rail.
4 is a perspective view of a hanger according to an embodiment of the present invention.
FIG. 5 is a side view showing a placement relationship between a running wheel and a support wheel of a hanger according to an embodiment of the present invention. FIG.
6 is a cross-sectional view taken along the line VI-VI in Fig.
7 shows a state in which a hanger according to an embodiment of the present invention is running on a curved portion of a rail.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided to fully convey the spirit of the present invention to a person having ordinary skill in the art to which the present invention belongs, and the present invention is not limited thereto, but may be embodied in other forms. In order to clarify the present invention, it is possible to omit the parts of the drawings that are not related to the description, and the size of the components may be slightly exaggerated to facilitate understanding.

1 shows a hoist crane to which a hanger according to an embodiment of the present invention is applied. As shown in the figure, the hoist crane includes an I-shaped rail 10 installed on the ceiling side of an industrial site, an installed hoist 20 having a hoisting machine 21 running along the rail 10 and lifting a heavy object, A cable 30 connected to the hoist 20 for power supply and control of the hoist 20 and a plurality of hanger 100 provided on the rail 10 to support the cable 30 while moving along the hoist 20 .

2, the hanger 100 travels along the rail 10 while supporting the cable 30 to the cable supporting part 150 provided at the lower part thereof, and maintains the interval between the adjacent hanger 100 The stopper portions 124 and 125 are provided. Between the adjacent hanger (100), the pulling rope (40) is connected to be moved when the hoist (20) moves.

3 to 6, each hanger 100 includes a first traveling wheel 111 and a second traveling wheel 112, which are installed on both sides of the rail 10, and first and second traveling wheels 111 and 112, A body portion 120 supporting the traveling wheels 111 and 112 and moving along the rails 10 by the movement of the traveling wheels 111 and 112, a lower portion of the rail 10 supported by the body portion 120, The first supporting wheel 131 and the second supporting wheel 132 and the first supporting wheel 131 and the second supporting wheel 132 to the lower side of the rail 10, And a cable support 150 connected to the lower portion of the body portion 120 for supporting the cable 30. [

Here, since the hanger 100 is applied to a hoist crane for supporting the cable 30, it is shown that the cable support 150 is connected to the body part 120. [ However, the hanger 100 may be used for transporting other heavy objects or objects. In this case, an object supporting part for supporting other objects may be connected to the body part 120 of the hanger 100 instead of the cable supporting part 150 have.

The first traveling wheel 111 and the second traveling wheel 112 are installed symmetrically on both sides of the rail 10 so as to move along the rail 10 while being hung on both sides of the rail 10. The present embodiment shows a case where the hanger 100 travels along the I-shaped rail 10 so that two traveling wheels 111 and 112 are employed. However, when the shape of the rail 10 is different, It may be composed of more than one.

The body portion 120 includes a transverse member 121 disposed at a lower portion of the rail 10 and extending in a direction intersecting the rail 10 and a transverse member 121 extending upward in a state of being fixed to both ends of the transverse member 121, And two vertical members 122 and 123 connected to the axes of the first and second traveling wheels 111 and 112, respectively. As shown in Fig. 3, the body portion 120 has two stop portions 124 and 125 extending forward and backward in the direction of the main body. The stopper portions 124 and 125 can be fastened to the two vertical members 122 and 123, respectively.

5, the first support wheel 111 and the second support wheel 112 are disposed at a lower portion of the rail 10 and are disposed so as to be spaced apart from each other in front of and behind the transverse member 121 in the running direction do. The first support wheel 111 and the second support wheel 112 are connected by a first lift connection portion 133 and a second lift connection portion 134 of a predetermined length rotatably connected to the body portion 120 so as to be able to move up and down, .

One end of the first lifting joint 133 is rotatably coupled to the support shaft 135 and the other end of the first lifting connection 133 is coupled to the shaft of the first support wheel 131. Accordingly, the first support wheel 131 can be raised and lowered by rotating the first lift connection portion 133 about the support shaft 135. [ The second support wheel 132 and the second lift connection 134 may be installed in the same manner.

The two supporting shafts 135 and 136 supporting the first lifting link 133 and the second lifting link 134 are disposed parallel to each other on the upper side of the transverse member 121 and each end of the two supporting shafts 135 and 136 can be connected to the two longitudinal members 122 and 123 have.

Although two support shafts 135 and 136 are used for mounting the first lifting link 133 and the second lifting link 134 in this embodiment, the first lifting link 133 and the second lifting link 134 But is not limited thereto. The first and second lifting joints 133 and 134 may be installed directly on the transverse member 121.

5, the first lifting connection 133 and the second lifting connection 134 maintain the first supporting wheel 131 and the second supporting wheel 132 in contact with the lower surface of the rail 10 And the two lifting joints 133 and 134 can be connected to each other by the elastic member 140 in a mutually supporting manner. The elastic member 140 may be composed of a tension spring having both ends connected to the first lifting connection portion 133 and the second lifting connection portion 134, respectively.

In this configuration, the elastic force of the elastic member 140 acts on the first lifting link 133 and the second lifting link 134 to rotate the first lifting link 133 and the second lifting link 134 upward The first supporting wheel 131 and the second supporting wheel 132 roll in a state in which the first supporting wheel 131 and the second supporting wheel 132 are in close contact with the bottom surface of the rail 10, So that a stable running of the vehicle can be induced.

Although the present embodiment shows a case in which two support wheels 131 and 132 capable of rising and lowering are employed, the present invention is not limited thereto, and more than one support wheel may be used. That is, one support wheel may support the lower surface of the rail 10 in a state where the support wheel is vertically installed at the center of the horizontal member 121.

As shown in FIG. 4, the cable support part 150 provided at the lower part of the body part 120 may be provided in a semi-cylindrical shape for stable support of the cable 30. [

5 and 6, the hanger 100 according to the present embodiment is configured such that when the first traveling wheel 111 and the second traveling wheel 112 are engaged with both sides of the rail 10, And the first support wheel 131 and the second support wheel 132 perform rolling motion in a state of supporting the lower surface of the rail 10 at the front and rear positions of the two traveling wheels 111 and 112, So that it can run smoothly without lifting or shaking.

The height of the first support wheel 111 and the second support wheel 112 is set to a level of the rail 10 as shown in Fig. 7 when the hanger 100 travels on the curved or bent portion of the rail 10 It is possible to prevent the hanging of the hanger 100 by being caught by the rail. Even if a situation occurs, the first and second support wheels 131 and 132 are easily released while the heights of the first and second support wheels 131 and 132 change. Since the first traveling wheel 111 and the second traveling wheel 112 provided symmetrically on both sides of the rail 10 can easily turn along the shape of the rail 10, a curved or curved portion exists in the rail 10 It is possible to run smoothly.

10: rail, 30: cable,
100: hanger, 111: first driving wheel,
112: second traveling wheel, 120: body portion,
131: first support wheel, 132: second support wheel,
133: first elevating connection, 134: second elevating connection,
140: Elastic member.

Claims

A traveling wheel traveling along the rail;
A body portion supporting the traveling wheel and provided with an object support portion for connecting an object;
A support wheel supporting a lower surface of the rail and being vertically connected to the body portion; And
And an elastic member for applying an elastic force to raise the support wheel to the underside of the rail.

The method according to claim 1,
Wherein the traveling wheel includes a first traveling wheel and a second traveling wheel traveling along both sides of the rail,
The body portion includes a transverse member disposed at a lower portion of the rail and extending in a direction crossing the rail, and a vertical member extending upward from both ends of the transverse member and connected to shafts of the first and second traveling wheels, Hanger.

3. The method according to claim 1 or 2,
Further comprising a lifting connection for supporting said support wheel in a rotatably connected state to said body and for lifting said support wheel by rotation.

The method of claim 3,
Wherein the support wheel includes a first support wheel and a second support wheel that are spaced apart from each other in front of and behind the transverse member in the running direction,
Wherein the lifting connection includes a first lifting connection for supporting the first supporting wheel and a second lifting connection for supporting the second supporting wheel.

5. The method of claim 4,
Wherein the elastic member includes a tension spring having both ends connected to the first lifting connection portion and the second lifting connection portion, respectively.

5. The method of claim 4,
Wherein the first and second lifting joints are rotatably installed at both ends of a support shaft connected to the two longitudinal members.

3. The method of claim 2,
Wherein the body portion further includes a stopper portion extending toward the running direction.

The method according to claim 1,
Wherein the object support comprises a cable support for supporting the cable.