KR20160124444A - Forklift having Monitoring Function - Google Patents

Abstract

The present invention relates to a control apparatus for a vehicle, comprising a loading unit for loading an object to be carried, a sensor unit installed in the loading unit for detecting an obstacle, and a signal generating unit The present invention relates to a forklift to which a monitoring function including a generating part is added.

Description

Forklift having Monitoring Function "

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forklift to which a monitoring function for securing a view of a driver in a forklift operation is added.

Generally, forklifts are special industrial vehicles used to lift or lower freight pallets. Such a forklift can be classified according to the stability of the vehicle body and the power source. The car body stabilization system is based on a fork and mast mounted on the front of the car body, a counterbalanced forklift equipped with a counterbalance on the rear, and an outrigger protruding forward from the car body to maintain the stability of the vehicle body. There is a rich type forklift that performs the loading and unloading while moving forward and backward. Classification by power source is diesel engine, LPG / gasoline engine, and electric forklift. Of these, forklifts equipped with counterbalanced diesel engines are the most popular.

On the other hand, the forklift can move a large amount of cargo to a desired place by repeating the process of inserting the fork into the pallet on which the cargo is mounted, lifting the pallet, moving the pallet, and releasing the lifted pallet.

The forklift according to the related art moves a fork that is vertically movably coupled to the mast to move the cargo to the lower side of the mast and then inserts the fork into the spacing space formed between the pallet on which the cargo is loaded and the bottom, Up operation was performed.

Here, the forklift according to the prior art has a problem that it is difficult to ensure the visibility of the driver because the spacing space is located at the bottom, and the space for the spacing is small and the operation time for inserting the fork is long. Further, the forklift according to the related art has a problem in that it is difficult to secure the view of the driver and it is difficult to detect even if there is a cargo or an obstacle in a space where the fork is inserted.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a forklift with a monitoring function capable of ensuring the visibility of a forklift driver between cargo transportation.

In order to solve the above-described problems, the present invention can include the following configuration.

A forklift to which a monitoring function according to the present invention is added includes a loading unit for loading an object to be carried; A sensor unit installed in the loading unit and detecting an obstacle; And a signal generator connected to the sensor unit and generating a signal to the driver as the sensor unit detects an obstacle.

In the forklift with the monitoring function according to the present invention, the sensor unit may be an ultrasonic sensor.

In the forklift with the monitoring function according to the present invention, the signal generator generates an alarm signal at a predetermined interval when an obstacle detected by the sensor unit falls within a predetermined reference distance, and as the obstacle approaches the sensor unit The alarm signal can be generated to reduce the interval of the alarm signal.

In the forklift having the monitoring function according to the present invention, the sensor unit may include a first sensor member disposed on the left side of the loading unit, and a second sensor member disposed on the right side of the loading unit. The first sensor member and the second sensor member may be detachably installed in the loading unit.

The forklift having the monitoring function according to the present invention may include a direction switching unit operated by a driver to change a direction in which the stacking unit faces, and an operation unit for stopping or activating the sensor unit. The operation unit may be installed in the direction switching unit.

According to the present invention, the following effects can be achieved.

In the present invention, when a fork is inserted into a spacing space, if there is a cargo or an obstacle, the driver is notified of the cargo or obstacle, thereby securing the driver's view.

According to the present invention, it is possible to accurately insert the fork into the spacing space, thereby shortening the time required for moving the cargo and preventing the center of gravity of the cargo to be carried away from being shifted.

1 is a side view of a forklift with a monitoring function according to the present invention;
2 is a perspective view for explaining a sensor unit in a forklift to which a monitoring function according to the present invention is added;
3 is a plan view for explaining the detection distance of the sensor unit in the forklift to which the monitoring function is added according to the present invention.
4 and 5 are side views for explaining a signal generator in a forklift to which a monitoring function according to the present invention is added;
Fig. 6 is a partial plan view of Fig. 1 for explaining an operating portion in a forklift to which a monitoring function according to the present invention is added;

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor may properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a forklift with a monitoring function according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side view of a forklift to which a monitoring function according to the present invention is added, FIG. 2 is a perspective view for explaining a sensor unit in a forklift to which a monitoring function according to the present invention is added, FIG. 3 is a perspective view of a forklift FIG. 4 is a side view for explaining a signal generating unit in a forklift to which a monitoring function according to the present invention is applied, and FIG. 6 is a side view for explaining a sensing distance of a sensor unit in a forklift with a monitoring function according to the present invention. Fig. 1 is a partial plan view of Fig.

1 to 3, a forklift 100 to which a monitoring function according to the present invention is added includes a loading unit 110, a sensor unit 120, and a signal generating unit 130.

The loading unit 110 loads the object C to be transported. For example, the loading unit 110 may load the object C stacked on the pallet 200. The loading unit 110 may be a fork.

The mounting portion 110 is formed by bending the L-shape as a whole. The 'L' portion of the 'L' letter shape is coupled to the mast so as to be movable up and down, and the object (C) is loaded in the '-' portion. The 'I' part and the '-' part may be formed integrally with each other, but the present invention is not limited thereto.

The loading unit 110 can be raised and lowered on the mast as the driver operates it. For example, the loading unit 110 is lowered from the mast to load the object C, and then inserted into a spacing space B formed between the pallet 200 and the bottom so that the lower surface of the pallet 200 Can support. The loading unit 110 can elevate the object C as it is raised while supporting the lower surface of the pallet 200. [

The stacking unit 110 may be lowered along the mast to lower the object C to be lifted.

1 to 3, the sensor unit 120 is installed in the loading unit 110 and detects an obstacle.

For example, the sensor unit 120 may be installed at a portion where the 'I' part and the 'I' part are combined in the loading unit 110. Accordingly, the sensor unit 120 can sense the obstacle without being interfered with the object C in the '-' part.

The sensor unit 120 can detect obstacles by transmitting ultrasonic waves to an obstacle and receiving ultrasonic waves reflected and reflected by the obstacle. For example, the sensor unit 120 may be an ultrasonic sensor. Specifically, the ultrasonic sensor may be a high-diopter angle or a light-direction angle ultrasonic sensor. The obstacle may be an object such as a cargo that may collide with the loading unit 110.

Although not shown, the sensor unit 120 may detect an obstacle located in one direction by the driver, and may detect obstacles located within a range set by the driver.

The sensor unit 120 may further include a first sensor member 121 disposed on the left side of the loading unit 110 and a second sensor member 122 disposed on the right side of the loading unit 110 .

The first sensor member 121 is installed on the left side of the loading unit 110 to detect an obstacle located in the left direction with respect to the loading unit 110.

The first sensor member 121 can sense the obstacle when the obstacle is located within a predetermined reference distance. The reference distance means a distance at which the loading unit 110 does not collide with an obstacle, and may be preset by the driver.

For example, when the reference distance of the first sensor member 121 is L, the first sensor member 121 can sense an obstacle located below L. In this case, the signal generator 130 may generate an alarm signal at a predetermined interval to the driver. Therefore, the driver can know that there is a possibility that the loading unit 110 may collide with the obstacle.

The first sensor member 121 may generate an alarm signal so that the alarm signal interval decreases as the obstacle approaches the distance 1 less than the reference distance L. [ In this case, the driver can know that the possibility that the loading unit 110 will collide with the obstacle is high.

The first sensor member 121 is installed to be rotatable up and down with respect to the loading unit 110 so that it can detect obstacles located above and below the loading unit 110. In this case, the first sensor member 121 can be rotated up and down by a driving device (not shown) such as a motor.

The first sensor member 121 may be connected to the signal generator 130 through at least one of wire communication and wireless communication to provide the signal generator 130 with obstacle detection information.

The first sensor member 121 is detachably attached to the loading unit 110. Although not shown, the first sensor member 121 can be attached by being inserted into a groove formed in the left side surface of the loading unit 110. [ The first sensor member 121 can be detached from the loading unit 110 by being separated from the groove.

The second sensor member 122 is installed on the right side of the loading unit 110 to detect obstacles located in the right direction with respect to the loading unit 110.

The second sensor member 122 can sense the obstacle when the obstacle is located within a predetermined reference distance. The reference distance means a distance at which the loading unit 110 does not collide with an obstacle, and may be preset by the driver.

For example, when the reference distance of the second sensor member 122 is L, the second sensor member 122 may sense an obstacle located below L. In this case, the signal generator 130 may generate an alarm signal at a predetermined interval to the driver. Therefore, the driver can know that there is a possibility that the loading unit 110 may collide with the obstacle.

The second sensor member 122 may generate an alarm signal so that the alarm signal interval decreases as the obstacle approaches the distance 1 less than the reference distance L. [ In this case, the driver can know that the possibility that the loading unit 110 will collide with the obstacle is high.

Therefore, the forklift 100 to which the monitoring function according to the present invention is added may include the loading unit 110 and the loading unit 110 in the process of inserting the loading unit 110 into the spacing space B to transport the object C, It is possible to prevent the stacking unit 110 or the obstacle from being damaged or broken by preventing the stacking unit 110 from colliding with an obstacle located between the spacing spaces B or an obstacle located inside the spacing space B. [

The forklift 100 to which the monitoring function according to the present invention is added is provided with a sensor unit 120 installed on both sides of the loading unit 110 so that the loading unit 110 is accurately inserted into the spacing space B. It is possible to prevent the center of gravity of the object C from shifting to one side. Therefore, the forklift 100 to which the monitoring function according to the present invention is added can prevent the object C from falling and being damaged or damaged during transportation.

The second sensor member 122 is installed to be rotatable up and down with respect to the loading unit 110 so that it can detect obstacles located up and down with respect to the loading unit 110. [ In this case, the second sensor member 122 can be rotated up and down by a driving device (not shown) such as a motor.

The second sensor member 122 may be connected to the signal generator 130 by at least one of wire communication and wireless communication to thereby provide obstacle detection information to the signal generator 130.

The second sensor member 122 is detachably installed in the loading unit 110. Although not shown, the second sensor member 122 may be attached by being inserted into a groove formed on the right side surface of the loading unit 110. [ The second sensor member 122 may be detached from the loading unit 110 by being separated from the groove. The first sensor member 121 and the second sensor member 122 may be attached to or detached from the loading unit 110 by other methods such as bolt connection.

Although not shown, the first sensor member 121 and the second sensor member 122 are installed to be rotatable in the left and right direction to detect obstacles located on the left and right sides of the loading unit 110 have. Accordingly, the driver rotates the first sensor member 121 and the second sensor member 122 up and down and left and right to secure a field of view in the process of transporting the object C, Can be prevented.

The forklift 100 to which the monitoring function according to the present invention is added includes only the first sensor member 121 and the second sensor member 122. However, the present invention is not limited thereto, It is possible to further prevent the object C from colliding with the obstacle in the course of carrying the object C.

4 and 5, the signal generating unit 130 is connected to the sensor unit 120 and generates a signal to the driver when the sensor unit 120 detects an obstacle.

The signal generator 130 may be connected to the sensor unit 120 through at least one of wire communication and wireless communication. Accordingly, the signal generator 130 may be provided with the obstacle detection information acquired by the sensor unit 120.

When the obstacle sensing information is received from the sensor unit 120, the signal generating unit 130 generates an alarm signal at a predetermined interval. When the obstacle is closer to the sensor unit 120, the signal generating unit 130 generates an alarm Signal.

The signal generating unit 130 is installed in a frame 101 forming an outer appearance of the forklift 100. For example, the signal generating unit 130 may be installed in a frame 101 positioned on the upper side of the driver and positioned close to the driver so that a signal can be generated so that the driver can listen to the signal. The signal generator 130 may adjust the size of the alarm sound or may be located closer to the driver so that the alarm signal can be transmitted more clearly to the driver.

Therefore, the forklift 100 to which the monitoring function according to the present invention is added can achieve the following operational effects.

First, the forklift 100 to which the monitoring function according to the present invention is added can listen to the alarm signal even though the driver can not visually recognize the obstacle, and judge that there is an obstacle in the vicinity of the loading unit 110, Can be prevented from occurring in advance.

Second, the forklift 100 to which the monitoring function according to the present invention is attached is provided with the sensor unit 120 installed in the loading unit 110 so as to be easily detachable, It is possible to shorten the replacement work time and carry out the carrying operation for the object C quickly.

Referring to FIG. 6, the forklift 100 to which the monitoring function according to the present invention is added may further include a direction switching unit 140 and an operating unit 150.

The direction switching unit 140 changes the direction in which the loading unit 110 is oriented. For example, the direction switching unit 140 may change the direction of the tire of the forklift 100 to move the forklift 100 in the left, right, and straight directions. Accordingly, the direction switching unit 140 can change the direction in which the loading unit 110 faces. The direction switching unit 140 may be operated by a driver. For example, the direction switching unit 140 may be a steering device such as a Handle. Accordingly, the driver can move the object C to a place where the object C is to be transported by operating the direction switching unit 140.

Referring to FIG. 6, the operation unit 150 operates or stops the sensor unit 120. The operation unit 150 can easily operate the sensor unit 120 or stop the operation by operating the switch in the ON or OFF direction by the driver.

For example, the operation unit 150 may turn on the sensor unit 120 by turning on the power to the sensor unit 120. In this case, the forklift 100 to which the monitoring function according to the present invention is attached, when inserting the loading unit 110 into the spacing space B as the sensor unit 120 detects an obstacle, C, and moving the object C, it is possible to prevent the obstacle from colliding with the loading unit 110 when the lifted object C is lowered.

For example, the operation unit 150 may stop the operation of the sensor unit 120 by turning off the power supplied to the sensor unit 120. In this case, the forklift 100 to which the monitoring function according to the present invention is added not only extends the service life of the battery by shutting off the power supplied to the sensor unit 120, May be used for other apparatuses.

The operation unit 150 may be connected to the sensor unit 120 through at least one of wire communication and wireless communication.

The operation unit 150 is installed in the direction switching unit 140. For example, the actuating part 150 may be installed on one side of the direction switching part 140 by bolting. In this case, the forklift 100 to which the monitoring function according to the present invention is attached, places the operating unit 150 close to the driver so that the driver can easily operate the sensor unit 120 or stop the operation .

The forklift 100 to which the monitoring function according to the present invention is added can achieve the following operational effects.

First, the forklift 100 to which the monitoring function according to the present invention is added informs the driver when there is an obstacle in the process of inserting the loading unit 110 into the spacing space B, Can be prevented from being collided.

Second, the forklift 100 to which the monitoring function according to the present invention is added adjusts the angle and the range of the sensor unit 120 so as to detect obstacles in the movement path in the process of lifting the object C and moving the object C , And it is possible to prevent a collision with an obstacle even during the movement.

Third, the forklift 100 having the monitoring function according to the present invention rotates the sensor unit 120 downward in the process of lowering the lifted object C, It is possible to prevent the load part 120 from colliding with a place where the load part 120 is to be lowered.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

100: Forklift truck with monitoring function 110:
120: sensor unit 130: signal generating unit
140: direction switching unit 150:

Claims (5)

A loading part for loading an object to be carried;
A sensor unit installed in the loading unit and detecting an obstacle; And
And a signal generating unit connected to the sensor unit and generating a signal to the driver as the sensor unit detects an obstacle. The method according to claim 1,
Wherein the sensor unit is an ultrasonic sensor. The method according to claim 1,
The signal generating unit generates an alarm signal at a predetermined interval when the obstacle detected by the sensor unit is within a predetermined reference distance and generates an alarm signal so that the interval of the alarm signal decreases as the obstacle approaches the sensor unit A forklift with added monitoring function. The method according to claim 1,
Wherein the sensor unit includes a first sensor member disposed on the left side of the loading unit and a second sensor member disposed on the right side of the loading unit,
Wherein the first sensor member and the second sensor member are detachably installed in the loading unit. The method according to claim 1,
A direction switching unit operated by a driver to change a direction in which the stacking unit faces; And
And an actuating part for actuating or stopping the sensor part,
Wherein the operation unit is installed in the direction switching unit.

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