KR20060106314A - Device of motion-sensitivity for ladle - Google Patents

Abstract

The present invention, the support arm provided on the main body support; A coupling bar is formed at one end thereof in contact with the trunnion of the ladle, and a center portion of the support arm is rotatably mounted in one end of the support arm in up, down, and front and rear directions, and is contacted at a position spaced apart from the other end to the center by a predetermined distance. The sensing rod is formed; A lifting detector for contacting the other end of the sensing rod to detect a vertical movement of one end of the sensing rod; A push-up detection unit which is in contact with the contact bar of the sensing rod and detects forward and backward movement of one end of the sensing rod; and includes a hooking state and a loading state of the molten iron that are difficult to visually check when hoisting and charging the ladle. It provides a ladle movement detection device that can check and alarm to prevent large equipment accidents.

Ladle, motion detector, support arm, sensing rod, coupling bar, contact bar

Description

Ladle motion detection device {Device of motion-sensitivity for ladle}

1A is a perspective view illustrating a state in which a ladle is lifted up during charging of a molten iron into a converter.

1B is a perspective view illustrating a state in which a ladle is pushed while charging the molten iron in the converter.

Figure 2 is a perspective view showing a dog house equipped with a ladle movement detecting apparatus according to the present invention.

Figure 3 is a perspective view showing a ladle movement detecting apparatus according to the present invention.

Figure 4 is an exploded perspective view showing the connection of the support arm and the sensing rod showing the enlarged "A" portion in the ladle movement detecting apparatus according to the present invention shown in FIG.

Figure 5 is a perspective view showing a state in which the motion detection device according to the invention ladle in contact with the trunnion of the ladle.

* Description of the symbols for the main parts of the drawings *

100: ladle movement detection device 110: main body support

112: vertical member 114: first horizontal member

116: second horizontal member 120: support arm

122: support arm support 124: cylinder

136: cylinder support 128: rod

130: sensing rod 132: coupling bar

134: contact bar 140: detector

140a: lifting detection unit 140b: rolling detection unit

142: contact bar 150: connector

160: spring

The present invention relates to a ladle movement detection device, specifically, the state of the ladle even if the flame or dust generated during the process of charging the molten iron from the ladle to the converter can check the state of the ladle electron or crane operator It relates to a ladle movement detection device.

In general, hot metal produced in a blast furnace is transported to a dog house by a chartered bogie in a ladle, and the molten iron transported to the dog house is ladleed. Together, it is hoisted by a crane, charged into a converter, and then produced into molten steel through a degassing and decarburizing process.

In more detail, the ladle loading process is carried out by the crane's sovereign hook, and the ladle raised to a certain height is inclined by the boring hook to charge the charter to the converter. At this time, the crane driver and the converter driver check the coupling state of the hook and ladle and the charging process of the molten iron with the naked eye or a camera to notify each other with a radio signal and adjust breathing.

However, it is very time consuming to check the coupling state of the ladle and the charging process of the charter through the naked eye or camera, and if the flame or the dust occurs during the charter, the visual confirmation is not easy, which can cause instantaneous judgment and confusion. .

Therefore, when both the operator and the driver tilt the ladle without accurately checking the hooking state of the hook, as shown in FIG. 1A, as the hook h is separated from the trunnion t, the ladle L falls to the ground. An accident can happen. In particular, when the tilting speeds of the converter C and the ladle L do not coincide with the charter loading, the pelican mouse M of the ladle L is the furnace m of the converter C as shown in FIG. 1B. It is pushed by the now stuck to the and pushed out from the furnace (m) may cause a large accident.

Therefore, the present invention is to solve the above-mentioned problems as the ladle movement that can prevent large equipment accidents by checking the latching state of the hook and the loading state of the molten iron which is difficult to check with the naked eye when the ladle hoisting and chartering To provide a sensing device.

Ladle movement detection device of the present invention for achieving the above object, and a support arm provided on the main body support; A coupling bar is formed at one end thereof in contact with the trunnion of the ladle, and a center portion of the support arm is rotatably mounted in one end of the support arm in up, down, and front and rear directions, and is contacted at a position spaced apart from the other end to the center by a predetermined distance. The sensing rod is formed; A lifting detector for contacting the other end of the sensing rod to detect a vertical movement of one end of the sensing rod; It is configured to include; a contact detecting unit for detecting the forward and backward movement of one end of the sensing rod in contact with the contact bar of the sensing rod.

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

Figure 2 is a perspective view showing a dog house in which the ladle movement detecting apparatus according to the present invention, Figure 3 is a perspective view showing a ladle movement detecting apparatus according to the present invention.

As shown in Figures 2 and 3, the ladle movement detection apparatus 100 of the present invention is provided in pairs so as to be in contact with each other trunnions (not shown) formed on both sides of the ladle (not shown), Main body support 110, the support arm 120 is installed on the upper body support 110, the sensing rod 130 is rotatably mounted in the vertical and front and rear direction to the support arm 120, and the detection It consists of a sensing unit 140 for detecting the movement of the rod (130).

The body pedestal 110 is a pair of vertical members 112 coupled to one surface in contact with the front of the dog house (D), and perpendicular to the vertical member 112 but protrudes forward of the vertical member 112 It is formed by the horizontal members (114, 116). In addition, the horizontal members 114 and 116 include a first horizontal member 114 and a second horizontal member 116 coupled to the top and front surfaces of the vertical member 112, respectively.

The support arm 120 is a straight member having a predetermined length, one end portion 120a of which is connected to the sensing rod 130, and the other end portion 120b protrudes from an upper surface of the first horizontal member 114. Is hinged to the support arm support 122 to be coupled. One side of the support arm 120 is provided with a cylinder 124 for rotating the support arm 120 around the support arm support 122, one end 124a of the cylinder 124 is a support arm ( One side of the 120 is hinged and the other end 124b is hinged to the cylinder support 126 protruding and coupled to the upper surface of the first horizontal member 114. The body pedestal 110, the support arm 120 and the cylinder 124 is composed of a four-section link structure by a plurality of hinges, the support arm 110 is rotated when the cylinder 124 operates. For example, when the rod 128 of the cylinder 124 is pulled out, the support arm 120 rotates in the direction of the arrow of FIG. 2 with the support arm pedestal 122 as the central axis. When 128 is drawn in, it rotates in the opposite direction.

At one end 130a of the sensing rod 130, a coupling bar 132 is formed in contact with the trunnion (t in FIG. 5) of the ladle, and is located at a position spaced a predetermined distance from the other end 130b to the center. A contact bar 134 extending perpendicular to the sensing rod 130 is formed. The coupling bar 132 is formed in a curved shape so as to be in contact with the outer circumferential surface of the disk-shaped stopper (s of FIG. 5) formed at the end of the trunnion t when contacting the trunnion t. On the other hand, the sensing rod 130 is mounted in a state spaced apart from the support arm 120, a gap between them is provided with a connector 150 and a spring 160. The connector 150 is located between one end 120a of the support arm 120 and the middle of the sensing rod 130, the spring 160 is the other end (120b) of the support arm 120 And the other end 130b of the sensing rod 130. At this time, the connector 150 is for up and down and forward and backward rotation of the sensing rod 130, the spring 160 is for convenience of the rotated sensing rod 130 to the initial state.

The detector 140 includes a lifting detector 140a mounted on the first horizontal member 114 and a slide detector 140b mounted on the second horizontal member 116. The lifting detecting unit 140a is in contact with the other end 130b of the sensing rod 130 to detect a vertical movement of the sensing rod end 130a, and the sliding detecting unit 140b is the contact bar ( In contact with 134 to detect the forward and backward movement of the sensing rod end (130a). Here, the lifting detecting unit 140a and the sliding detecting unit 140b are provided with contact bars 142, respectively, so that the contact with the other end 130b of the sensing rod 130 and the contact bar 134 is the contact bar. By 142. In addition, the lifting detection unit 140a and the sliding detection unit 140b are further provided with a spring 144 for biasing the contact bar 142 to an initial state.

FIG. 4 is an exploded perspective view illustrating a connector of a support arm and a sensing rod in which the "A" portion is enlarged in the ladle movement detecting apparatus according to the present invention shown in FIG.

As shown in FIG. 4, the connector 150 includes a pair of bolts 152, a plate 154 connecting the pair of bolts 152, the bolt 152 and a plate 154. It consists of a pin 156 and a nut 158 for hinge coupling.

The bolt 152 is formed of a bolt stage 152a and a bolt head 152b, a thread 152c is formed at a part of the end portion of the bolt stage 152a, and the bolt head 152b protrudes outward. A pair of coupling protrusions 152d is formed. The coupling protrusion 152d is formed with a pin hole 152e through which the pin 156 passes. At this time, the bolt rod 152a is a portion where the thread 152c is not formed when the support arm (120 of FIG. 3) or the sensing rod (130a of FIG. 3) is combined with the support arm 120 or the sensing rod ( 130 is coupled to protrude to the outside.

When the plate 154 is coupled to the bolt 152, both ends of the plate 154 are partially inserted between the pair of coupling protrusions 152d and are fixed to each other, and a position corresponding to the pin hole 152e of the coupling protrusion 152d. Through holes 154a and 154b are formed respectively. Among these, one through hole 154a is a long hole extending and formed in the longitudinal direction of the plate 154.

The connector 150 having the configuration as described above is not supported by the threaded portion 152c of the bolt 152a, so that the support arm 120 or the sensing rod 130 is protruded out of the support arm (FIG. 3). 120 to enable the forward and backward movement of the sensing rod (130 of FIG. 3). In addition, the long hole 154a formed in the plate 154 enables the vertical rod movement of the sensing rod (130 of FIG. 3).

5 is a perspective view showing a state in which the motion detection apparatus according to the present invention is in contact with the trunnion of the ladle. The ladle movement detection process of the ladle movement detection apparatus will now be described with reference to FIGS. 2 and 5 in which a dog house is shown.

When the ladle is raised to charge the molten iron in the converter (C), the compressor 102 provided on one side of the dog house (D) is operated to draw out the cylinder rod (128). The rod 128 that is drawn out rotates the support arm 120 and the sensing rod 130 around the support arm support 122, and a coupling bar formed at one end 130a of the sensing rod 130. When 132 contacts the stopper s of the trunnion t, the operation is stopped. As described above, the support arm 120 is rotated such that the coupling bar 132 contacts the stopper s.

When the trunnion t rises in the direction of the first arrow X in the drawing in the initialization state of the sensing process, one end of the sensing rod (part in which the coupling bar is formed, 130a) is raised together with the trunnion t and sensed. The other end of the rod 130b descends with the connector 150 as the central axis. The lower sensing rod other end 130b presses the contact bar 142 of the lift sensing unit 140a to generate a signal, and the generated signal is displayed to the display unit 106 provided in the tilt chamber 104 and the crane driver's seat. Delivered to indicate that the ladle has been raised.

Meanwhile, when the trunnion t moves in the second arrow direction Y in the drawing in the initialization state, the sensing rod end 130a moves along the trunnion t in the front direction (second arrow direction). The contact bar 134 moves in the rear direction with the connector 150 as the central axis. The moved contact bar 134 presses the contact bar 142 of the slide detecting unit 140b to generate a signal, and the generated signal is transmitted to the display unit 106 provided in the tilt chamber 104 and the crane driver's seat. Indicates that the ladle has moved in the front direction.

As described above, although the configuration and operation of the ladle movement detecting apparatus according to the preferred embodiment of the present invention are shown in accordance with the above description and drawings, this is merely an example and the scope does not depart from the spirit of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein.

As described above, the ladle movement detecting device of the present invention can prevent a large-scale equipment accident by checking the latching state of the hook and the charging state of the molten iron, which are difficult to visually check when the ladle is lifted and the molten iron is charged.

Claims (4)

A support arm installed on the main body support; A coupling bar is formed at one end to be in contact with the trunnion of the ladle, and the center part is rotatably mounted at one end of the support arm in the up and down directions, and the front and rear directions, respectively. The sensing rod is formed; A lifting detector for contacting the other end of the sensing rod to detect a vertical movement of one end of the sensing rod; A sliding detector contacting the contact bar of the sensing rod to sense a forward and backward movement of one end of the sensing rod; Ladle movement detection apparatus comprising a. The method of claim 1, The other end of the support arm is rotatably installed on the main body support, a cylinder is provided between the support arm and the main body support, both ends of the cylinder is characterized in that the hinge is coupled to the support arm and the main body support Movement detection device. The method of claim 1, A ladle movement sensing device, characterized in that a spring for biasing the relative position between the support arm and the sensing rod to an initial state is coupled between them. The method according to any one of claims 1 to 3, The ladle movement detecting apparatus is installed on both side trunnions of the ladle, respectively.

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