KR20130013555A - Apparatus for measuring slave width of crain - Google Patents

Abstract

The slab width measuring apparatus of the crane according to the present invention is installed on the lower portion of the crane so as to be movable, and coupled to a plurality of first and second gripper gripping one side of the slab, and the first gripper and A gripping portion provided for each of the third and fourth grippers holding the other side of the slab at a corresponding position with the second gripper, and installed on one surface of the first and second grippers for holding the slab. The first sensor and the second sensor, and are installed on one surface of the third and fourth gripper gripping the slab so as to face the first sensor and the second sensor so as to face each other. And a third sensor and a fourth sensor for measuring distance measurement information between the first sensor and the second sensor along a diagonal direction, and the measured front and diagonal directions from the third sensor and the fourth sensor. Distance measurement And a control unit which compares the information with the width information forming the shape of the preset slab and determines that the information is defective when the information does not match with each other.

Description

Slab width measuring device of crane {APPARATUS FOR MEASURING SLAVE WIDTH OF CRAIN}

The present invention relates to a device for measuring the slab width of a crane, and more particularly, by attaching a plurality of sensors to the slab final of the crane, by measuring the distance between the corresponding respective sensors in the front and diagonal directions, The present invention relates to a slab width measuring apparatus for a crane capable of accurately determining a shape and a width (size).

In general, slabs carried by a crane and charged into a furnace had to measure their width.

To this end, the slab width measuring apparatus for measuring the width of the slab charged into the heating furnace, the sensor installed on both sides of the slab sensed in the direction facing each other to measure the width of the slab.

For example, when a slab having a shape of a trapezoid, a parallelogram, or the like, which is not rectangular in shape, is rolled, a width (size) defect may occur in the product.

Literature related to the present invention is the Republic of Korea Registered Room 20-0216514 (December 30, 2000), which discloses a device for re-measuring the length of the slab for heating furnace.

An object of the present invention is to attach a plurality of distance measuring sensors to the slab final of the crane, each of the corresponding sensors transmit and receive the distance between each other in the front and diagonal directions, thereby accurately measuring the shape and width of the slab through the distance measurement of the sensors It is possible to determine, through which the slab can be accurately input during the rolling process to provide a slab width measuring device of the crane that can increase the accuracy of the work.

The present invention is movably installed in the lower portion of the crane, a plurality of links are coupled to the first gripper and the second gripper gripping one side of the slab, the first gripper and the second gripper in the corresponding position with the A gripping part provided for each of the third and fourth grippers gripping the other side of the slab, first and second sensors installed on one surface of the first and second gripping fingers gripping the slab; The first sensor is installed on one surface of the third and fourth gripper gripping the slab so as to face the first sensor and the second sensor so as to face the first sensor and the second sensor. And a third sensor and a fourth sensor for measuring distance measurement information with a second sensor, and the first and second sensors and the first and second sensors facing the measured front face. And measuring distance along the diagonal Information group as compared to the width information forming the shape of the slab is set, characterized in that a control unit for determining a failure if it does not match.

Here, the first sensor and the second sensor, and the third sensor and the fourth sensor is preferably installed at the same height.

The controller may stop the gripping operation of the gripping apparatus when the distance measurement information applied from the first sensor and the second sensor and the third and fourth sensors does not match predetermined information. Do.

In addition, the first sensor and the second sensor is provided in the upper and lower plurality on one surface of the first and second gripper, the second sensor and the fourth sensor to correspond to the first sensor and the second sensor. It is preferable that a plurality of upper and lower surfaces are provided on one surface of the first and second grippers.

The first and second sensors, and the third and fourth sensors may be any one of an optical sensor, an ultrasonic sensor, and a laser sensor.

The width information may be information forming a two-dimensional shape of the slab.

In addition, the control unit may store the width information forming the shape of the slab when it is determined that the failure.

The present invention has the effect of contributing to the improvement of the width (size) hit ratio of the product after the rolling process by grasping the shape and the width of the slab injected during the rolling process using the distance measuring sensor.

In addition, by feeding back the slab defects in the previous process, the slab defects may be improved in shape and width (size) accuracy.

1 is a perspective view for showing a slab width measuring apparatus of a crane according to the present invention.
Figure 2 is a plan sectional view for showing a slab width measuring apparatus of the crane according to the present invention.
3 is a view for showing a state in which the grip portion of the crane seated on the slab in a state in which the slab width measuring apparatus of the crane according to the present invention is installed.

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

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed herein, but may be embodied in various different forms, and the present embodiments only make the disclosure of the present invention complete, and those of ordinary skill in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

As shown in Figures 1 to 3, the slab width measuring apparatus of the crane according to the present invention, the holding unit 100, the first sensor 200, the second sensor 300, the third sensor 400 ), A fourth sensor 500, and a controller 600.

The gripper 100 which is installed to be movable under the crane 10 holds the loaded slabs 30 from the top and places them on the roller conveyor 20. At this time, the slab 30 is introduced into the heating furnace by driving the roller conveyor 20.

Here, since the configuration for the crane 10 is already known, it will not be described in more detail.

The gripper 100 is installed at the lower portion of the crane 10 and is configured to be coupled to a plurality of gripping gripping both sides of the slab 30.

Here, the configuration of the gripping portion 100 can be used a variety of things, it is preferable that the gripper forms a pair on both sides.

That is, the gripper 100 operates to narrow or open a plurality of grippers connected to the driving unit (not shown) of the crane 10 in a direction corresponding to each other on both sides.

Through this, the gripping portion 100 grips both sides of the slab 30 from the top to grab and lift the slab 30 loaded at a predetermined position, or lower the raised slab 30 to the upper portion of the roller conveyor. Can be set.

Since the configuration of the gripping portion 100 is already known, a detailed description thereof will be omitted.

The gripper 100 in the present invention is installed to be movable under the crane 10, and is coupled to a plurality of links.

The gripper 100 includes a first gripper 110 and a second gripper 120 that grip one side of the slab 30.

In addition, the first and second final fingers 110 and 120 and the corresponding position with the third and second gripper 130 and the fourth and final gripper 140, 140 for holding the other side of the slab 30 is provided, respectively. do.

That is, the first gripper 110 and the second gripper 120 grip one end of the slab 30 on both sides.

In addition, the third and second final fingers 130 and 140 are opposite to the first and second final fingers 110 and 120, and the other ends of the slab 30 are joined together at both sides. Gripping.

The first sensor 200 and the second sensor 300 are respectively installed on one surface of the first gripper 110 and the second gripper 120 that hold one end portion of the slab 30 together.

That is, the lower ends of the first and second grippers 110 and 120 hold the one end of the slab 30. In the first and second final finger 110 and 120, the first sensor 200 and the second sensor 300 are installed at a predetermined height from a lower end of the gripping the slab 30.

Here, the first sensor 200 and the second sensor 300 may use any one of an optical sensor, an ultrasonic sensor, and a laser sensor.

The third sensor 400 and the fourth sensor 500 are respectively installed on one surface of the third gripper 130 and the fourth gripper 140 holding the slab 30.

Here, the third sensor 400 and the fourth sensor 500 are disposed to face at positions corresponding to the first sensor 200 and the second sensor 300 described above.

That is, the lower ends of the third and fourth grippers 130 and 140 hold the one end of the slab 30. In the third and fourth final 130 and 140, the third sensor 400 and the fourth sensor 500 is installed at a predetermined height from the lower end of the gripping the slab 30.

The third sensor 400 and the fourth sensor 500 may be installed at the same height as the first sensor 200 and the second sensor 300.

The third sensor 400 and the fourth sensor 500 may use any one of an optical sensor, an ultrasonic sensor, and a laser sensor.

As described above, the third sensor 400 and the fourth sensor 500 transmit and receive signals with the first sensor 200 and the second sensor 300 positioned in the front facing direction and the diagonal direction. Measure the distance between them.

As shown in FIGS. 1 and 2, the first sensor 200 transmits and receives a signal in front of the third sensor 400 and at the same time diagonally with the fourth sensor 500.

Therefore, the second sensor 300 transmits and receives a signal diagonally with the third sensor 400 while simultaneously transmitting and receiving a signal in front of the fourth sensor 500.

In addition, the third sensor 400 and the fourth sensor 500 also transmit and receive signals in front and diagonally corresponding to the first sensor 200 and the second sensor 300.

In this case, distance measurement information of the first sensor 200, the second sensor 300, the third sensor 400, and the fourth sensor 500 is applied to the controller 600.

In addition, the first sensor 200, the second sensor 300, the third sensor 400, and the fourth sensor 500 may include a transmitter and a receiver for transmitting and receiving signals to each other.

The controller 600 receives distance measurement information between the first sensor 200 and the second sensor 300 and the third sensor 400 and the fourth sensor 500.

Then, the controller 600 compares the applied distance measurement information with the width information forming the shape of the slab 30, and determines that the difference is not good when they do not coincide with each other. The width information may be information forming a two-dimensional shape of the slab 30.

At this time, the control unit 600 is the slab 30 is a predetermined distance measurement information applied from the first sensor 200 and the second sensor 300, the third sensor 400 and the fourth sensor 500. If the width information does not coincide with the shape of the gripping unit, the gripping operation of the gripping unit 100 may be stopped.

In addition, the control unit 600 may store the width information forming the shape of the slab 30 when it is determined to be defective. In this way, the operator can collect and view the information of the slabs 30 that are determined to be defective.

Hereinafter, the operation of the slab width measuring apparatus of the crane according to the present invention.

First, the first final finger 110 and the second final finger 120, the third final finger 130 and the fourth final finger 140 hold both sides of the slab 30 together, and then lift and move. The operation of placing the slab 30 on the upper portion of the roller conveyor 20.

In this state, the first sensor 200 and the second sensor 300, the third sensor 400 and the fourth sensor 500 in the opposite direction to the signal facing each other and diagonally cross the signal Measure distance while sending and receiving.

Of course, the first gripper 110 and the second gripper 120, the third gripper 130 and the fourth gripper 140 may measure the distance at the moment of holding the loaded slab 30. It may be.

At this time, the control unit 600 is the shape of the currently held slab 30 by measuring the distance between the first sensor 200 and the second sensor 300, the third sensor 400 and the fourth sensor 500. The width can be determined accurately.

Therefore, the present invention can find out the overall shape and width of the slab 30 by using the distance information on both ends and the diagonal of the slab 30. For example, the squareness of the slab 30 can be found.

On the other hand, the first sensor 200 and the second sensor 300, a plurality of upper and lower may be installed on one surface of the first and second final finger 110 and 120. In addition, the third sensor 400 and the fourth sensor 500 may also be installed in a plurality of upper and lower surfaces on one surface of the third final finger 130 and the fourth final finger 140.

Finally, the control unit 600 compares the applied distance measurement information with the width information forming the shape of the preset slab 30, and determines that it is a failure when they do not coincide with each other.

At this time, the control unit 600 is the slab 30 is a predetermined distance measurement information applied from the first sensor 200 and the second sensor 300, the third sensor 400 and the fourth sensor 500. If the width information does not coincide with the shape of the gripping unit, the gripping operation of the gripping unit 100 may be stopped.

In addition, the control unit 600 may store the width information forming the shape of the slab when it is determined to be defective.

As a result, the present invention makes it possible to grasp the shape and the width of the slab 30 introduced during the rolling process, and contribute to improving the width hit of the product after the rolling process.

In addition, the present invention may help to improve the shape and width accuracy of the slab 30 by feeding back the defective contents of the slab 30.

Although specific embodiments of the slab width measuring apparatus of the crane of the present invention have been described so far, it is obvious that various embodiments can be modified without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

10: Crane 20: Roller Conveyor
30: slab 100: grip
110: First Final 120: Second Final
130: Third Final 140: Fourth Final
200: first sensor 300: second sensor
400: third sensor 500: fourth sensor
600:

Claims (7)

It is movably installed in the lower part of the crane, and the linkage is coupled to a plurality of first and second gripper gripping one side of the slab, and the other side of the slab in the corresponding position with the first and second gripper A gripping portion provided with each of the third and fourth grippers gripping the gripping unit;
First and second sensors installed on one surface of the first and second grippers for holding the slab;
The first sensor installed on one surface of the third and fourth grippers gripping the slab so as to face the first sensor and the second sensor so as to face the first sensor and the second sensor; A third sensor and a fourth sensor for measuring distance measurement information between the second sensor and the second sensor; And
The first sensor and the second sensor and the distance measurement information along the diagonally facing direction and the front facing direction measured from the third sensor and the fourth sensor is compared with the width information forming the shape of the predetermined slab, The slab width measuring apparatus of the crane comprising a; control unit for determining that the failure if not.
The method of claim 1,
The first sensor and the second sensor, the third sensor and the fourth sensor,
Slab width measuring device of a crane, characterized in that installed in the same height.
The method of claim 1,
The control unit,
When the distance measurement information applied from the first sensor and the second sensor and the third sensor and the fourth sensor does not match the predetermined information, the gripping operation of the crane, characterized in that the gripping operation is stopped. Width measuring device.
The method of claim 1,
The first sensor and the second sensor,
It is provided with a plurality of upper and lower surfaces on one surface of the first and second final finger,
The second sensor and the fourth sensor,
Slab width measuring apparatus of the crane, characterized in that a plurality of upper and lower sides are installed on one surface of the first and second gripper to correspond to the first sensor and the second sensor.
The method of claim 1,
The first sensor and the second sensor, the third sensor and the fourth sensor,
Slab width measuring device of the crane, characterized in that any one of an optical sensor, an ultrasonic sensor and a laser sensor.
The method of claim 1,
The width information is,
Slab width measuring device of the crane, characterized in that the information forming a two-dimensional shape of the slab.
The method of claim 1,
The control unit,
A slab width measuring apparatus for a crane, characterized by storing width information forming a slab shape in the case of determining that the defect is defective.

Images