KR102299046B1 - Fork Camera Mounting Structure of Forklift - Google Patents

Abstract

The present invention relates to a fork camera mounting structure of a forklift, and an object of the present invention is to increase the angle of view of the camera and prevent the camera from colliding with the ground by mounting a camera for checking the position of the fork in a sliding type.
To this end, the present invention provides a forklift vehicle body, a mast assembly provided in front of the vehicle body, a carriage that moves up and down along a mast rail of the mast assembly, and a pair of forks provided in front of the carriage; In the forklift comprising a camera provided under the carriage to detect the position of the fork, and a monitor installed on the driver's seat, a camera bracket (31) having a camera (30) at the lower end and having a slot (31a) formed in a vertical direction ), a guide bracket 32 assembled to slide with the camera bracket 31 by a guide member 35, and an elastic member 34 connecting the camera bracket 31 and the guide bracket 32. characterized by including.

Description

Fork Camera Mounting Structure of Forklift

The present invention relates to a structure for mounting a fork camera, and more particularly, by mounting a camera installed at the bottom of a carriage to check the position of the fork in a sliding type so that the camera is located below the fork, the angle of view of the camera It relates to a fork camera mounting structure of a forklift that can increase the convenience of work and prevent the camera from colliding with the ground.

A forklift is an industrial vehicle used to lift or transport heavy loads, and is widely used to move cargo to a short distance in indoor/outdoor workshops or construction sites, or to load or unload cargo on vehicles.

Such a forklift can be divided into a counterbalance type forklift in which the mast assembly only elevates/lowers, and a reach type forklift in which the mast assembly is configured to move forward and backward.

1 shows a general counterbalance type forklift.

As shown in FIG. 1 , the counterbalance type forklift includes a vehicle body frame 1 on which a vehicle driving source is mounted, and a mast assembly 2 provided in front of the vehicle body frame 1 . is done by

The mast assembly 2 includes a mast rail 3 disposed in a vertical direction, and a carriage 4 that can be moved up and down along the mast rail 3 .

The carriage 4 is lifted up and down by a lift chain 5, and in front of the carriage 4, a pair of forks 6 for lifting the load are adjustable in width. is fitted

A driver's seat 7 is provided on the upper portion of the vehicle body frame 1, and an overhead guard 8 for protecting the driver is installed on the upper portion of the vehicle body frame 1, and the front wheel 10 is located at the rear of the forklift. Each of the rear wheels 11 is provided.

In addition, the counterbalance type forklift has a counterweight 9 on the upper portion of the rear wheel 11 .

The counterweight 9 is for stably transporting and elevating the load by moving the center of gravity of the load concentrated in the front of the vehicle body to the rear.

Meanwhile, as shown in FIG. 2 , the rich type forklift does not include a counterweight, but instead maintains the stability of the vehicle by outriggers 21a protruding forward from both sides of the vehicle body 21 . while working

A pair of forks 26 are provided inside the outriggers of the rich type forklift to be movable in the front and rear and up and down directions.

However, in the case of loading the load on a high place in the conventional forklift, the driver's view is blocked due to the load loaded on the fork 26 .

In particular, as shown in FIG. 2 , when loading a load on a rack 50 located at a high place such as a large distribution warehouse, the driver accurately positions the rack 50 and the fork 26 located at a high place. is difficult to visually confirm.

Accordingly, there is a problem in that the work time is delayed and the work efficiency is lowered.

As a method to solve this problem, a technology for installing a camera at the bottom of the carriage of the forklift and visually checking the height of the fork and the position of the rack through a monitor provided in the driver's seat has been proposed.

As an example, there is a "fork monitoring system for a forklift" of Korean Patent Laid-Open No. 10-2007-0000864.

As shown in FIG. 2, the prior art described above includes a vehicle body 21 and an outrigger 21a, and a front wheel 27 and a rear wheel 28 are installed at the front, respectively.

In addition, a mast assembly 22 is installed in front of the vehicle body 21, and the mast assembly 22 is installed inside an outer mast 22a and the outer mast 22a to ascend and descend. It is composed of a multi-stage inner mast (InnerMast) 22b.

In addition, a carriage 24 is assembled to the inner mast 22b so as to be movable up and down, and the inner mast 22b and the carriage 24 are moved up and down by a lift cylinder 29 .

In addition, a pair of forks 26 are installed on the carriage 24, a camera 30 is installed under the fork 26, and a monitor 40 that can check the status of the forks on the driver's seat is provided.

According to the above-described conventional fork monitoring system, when the fork 26 is raised in height, the driver can check the positions of the fork 26 and the rack 50 through the monitor 40, so when loading the load at a high place The convenience of work can be improved.

However, the conventional method has a problem in that, as shown in FIG. 3 , the camera 30 is fixedly installed at the rear of the carriage 24 , thereby obscuring the angle of view of the camera.

In particular, when the load is loaded on the fork 26 , the angle of view of the camera 30 becomes narrower.

Accordingly, when the load is loaded on the rack 50 located at a high place, it is difficult to check the exact position of the fork 26 and the rack 50, so that the working time is delayed and the efficiency of the work is lowered.

In addition, although the camera 30 and the monitor 40 are mounted, there is a problem in that they cannot be used effectively when working at height.

(Patent Document 1): Korean Patent Publication No. 10-2007-0000864 (published on 01.03. 2007)

(Patent Document 2): Korean Patent Publication No. 10-2012-0070304 (published on June 29, 2012)

An object of the present invention is to solve the problems of the prior art, so that the camera is always located below the fork when working at height by mounting the camera on the carriage in a sliding type.

Another object of the present invention is to improve the efficiency and convenience of work by preventing the angle of view of the camera from being blocked by the carriage and the load and increasing the angle of view of the camera.

Another object of the present invention is to reduce the working time by allowing the position of the fork and the rack to be accurately identified when loading the load at a high place.

Another object of the present invention is to install the camera as close to the ground as possible and not collide with the ground.

Another object of the present invention is to allow the camera to automatically return to its original position when the fork starts to rise from the ground.

In order to achieve the above object, the present invention provides a forklift vehicle body, a mast assembly provided in front of the vehicle body, a carriage vertically elevating along the mast rail of the mast assembly, and a pair provided in front of the carriage A forklift comprising a fork of a fork, a camera provided under the carriage to detect the position of the fork, and a monitor installed on a driver's seat, a camera bracket having a camera at the lower end and having a slot formed in the vertical direction, a guide; It characterized in that it further comprises a guide bracket assembled to slide with the camera bracket by a member, and an elastic member connecting the camera bracket and the guide bracket.

In addition, a stopper for preventing the lower end of the camera bracket from colliding with the ground is further provided under the camera bracket.

In addition, it is characterized in that the stopper is further provided with a rubber cushioning member.

In addition, the guide bracket is configured to include a horizontal member assembled with the horizontal beam at the bottom of the carriage, a vertical member extending upward from one end of the horizontal member, and a connecting member provided on the vertical member do.

In addition, a guide member for guiding the guide bracket along a slot formed in the camera bracket is assembled to the guide bracket.

In addition, the guide member is characterized in that it is configured to include a guide roller.

In addition, the elastic member is characterized in that it is provided to connect the protruding member provided on the upper portion of the camera bracket and the connecting member provided on the guide bracket to each other.

In addition, the elastic member is characterized in that the tension spring.

In addition, the connection member is characterized in that a plurality of adjustment holes for adjusting the tension of the elastic member is formed.

According to the present invention, since the camera is mounted as a sliding type under the carriage, there is an effect that the camera is always positioned below the fork when working at a height.

In addition, by placing the camera under the fork, it is possible to minimize the angle of view of the camera from being blocked by the load and increase the angle of view of the camera, thereby improving the efficiency and convenience of work at height.

In addition, since the driver can accurately check the position of the fork and rack, there is an effect that can shorten the working time when loading the load in a high place.

In addition, while installing the camera as close to the ground as possible, there is an effect of not colliding with the ground.

In addition, it has the effect of automatically returning the camera to its original position when the fork rises from the ground.

1 is a perspective view of a conventional counterbalance type forklift.
Figure 2 is a side view of a conventional reach-type forklift.
3 is a front view showing a state in which a camera is installed in a conventional rich-type forklift.
4 is a perspective view showing a state in which the fork camera according to the present invention is installed.
5 is a perspective view of a fork camera mounting structure according to the present invention.
6 is a rear view of the fork camera mounting structure according to the present invention.
7 is a side view of the fork camera mounting structure according to the present invention.

Hereinafter, a preferred embodiment of a fork camera mounting structure of a forklift according to the present invention will be described with reference to FIGS. 4 to 7 .

The fork camera mounting structure according to the present invention can be applied to both counterbalance type and rich type forklifts, but for convenience, a rich type forklift will be described as an example.

As shown in FIG. 2 , a conventional reach-type forklift equipped with a fork camera includes a vehicle body 21 and a mast assembly 22 provided in front of the vehicle body 21 . .

The mast assembly 22 includes an outer mast 22a, an inner mast 22b provided in multiple stages inside the outer mast 22a and ascending and descending up and down, a mast rail, and the mast rail. It is provided with a carriage (Carriage) 24 that can be lifted up and down along the.

The carriage 24 and the inner mast 22b move up and down by the lifting action of the lift cylinder 29 .

In addition, a pair of forks 26 for lifting the load are mounted on the front 24 of the carriage so that its width can be adjusted.

In addition, a camera 30 for checking the position of the fork 26 is mounted at the lower end of the carriage 24 , and a monitor 40 for displaying this as an image is provided in the driver's seat.

Next, the fork camera mounting structure of the present invention will be described.

The fork camera mounting structure according to the present invention includes a forklift vehicle body 21, a mast assembly 22 provided in front of the vehicle body 21, and a carriage 24 that moves up and down along the mast rail of the mast assembly. A forklift comprising a pair of forks 26 provided at the front of the carriage, a camera 30 provided under the carriage to detect the position of the forks, and a monitor 40 installed on the driver's seat In the present invention, a camera bracket (31) having a camera (30) at its lower end and having a slot (31a) formed in a vertical direction, and a guide bracket (32) assembled to slide with the camera bracket (31) by a guide member (35) ), and further includes an elastic member 34 connecting the camera bracket 31 and the guide bracket 32 .

With the above structure, as shown in FIG. 4 , the camera 30 is always positioned below the carriage and the fork 26 when lifting the load with the fork 26 .

Accordingly, it is possible to minimize the phenomenon that the angle of view of the camera 30 is blocked by the load and increase the angle of view of the camera 30. Convenience and efficiency can be improved.

In addition, side members 31c are extended below the lower end of the camera 30 on both sides of the camera bracket 31 .

In addition, as shown in FIG. 5 , a stopper 33 is provided under the camera bracket 31 to prevent the lower end of the camera bracket 31 from colliding with the ground.

Accordingly, it is possible to prevent the camera 30 from being damaged while disposing the camera 30 under the fork 26 .

In addition, it is preferable that the stopper 33 is further provided with a rubber buffer member 33a, but is not limited thereto. Any material may be used as long as it can alleviate the impact of the camera bracket 31 .

According to the above structure, even after the camera bracket 31 comes into contact with the stopper 33 , the guide bracket 32 assembled with the horizontal beam 24a of the carriage can further descend toward the ground.

That is, the guide bracket 32 can continue to descend by the extension of the elastic member 34, and accordingly, the carriage 24 assembled with the guide bracket 32 and the horizontal beam 24a continues to descend, so the fork (26) can descend to the maximum limit.

On the other hand, the guide bracket 32, as shown in FIGS. 4 to 6, a horizontal member 32a assembled with the horizontal beam 24a at the lower end of the carriage, and an upper portion from one end of the horizontal member 32a. It is configured to include a vertical member (32b) extending to, and a connecting member (32c) provided in the central portion of the vertical member (32b).

In addition, it is preferable that the guide bracket 32 is further formed with a reinforcing rib 32d as shown in FIG. 5 .

In addition, a guide member 35 for guiding the guide bracket 32 along the slot 31a formed in the camera bracket 31 is assembled to the guide bracket 32 .

As shown in FIGS. 6 and 7 , the guide member 35 guides the sliding operation of the camera bracket 31 while moving along the slot 31a formed in the camera bracket 31 .

In addition, the guide member 35 may include a guide roller. According to this structure, the sliding operation of the camera bracket 31 can be made more smoothly.

In addition, the elastic member 34 is assembled between the protruding member 31b provided on the upper portion of the camera bracket 31 and the connecting member 32c provided on the guide bracket 32 .

The elastic member 34 is preferably a tension spring, but is not limited thereto.

In addition, a plurality of adjustment holes 32e for adjusting the position of the camera 30 are formed in the connection member 32c.

By selectively assembling one end of the tension spring to the plurality of adjustment holes 32e, the camera 30 can be positioned at an appropriate height.

According to the present invention, as shown in FIG. 4 , the camera bracket 31 is assembled with the horizontal beam 24a of the carriage through the elastic member 24 and is connected to the guide bracket 32 that moves up and down.

Accordingly, as shown in FIG. 4 , when the fork 26 is above a certain height, the camera 30 is always positioned under the fork 26 .

Accordingly, even when the load is placed on the fork 26 , the angle of view of the camera can be secured as much as possible, so that the operator can easily check the exact positions of the fork 26 and the rack 50 when working at height.

In the conventional camera mounting structure, since the position of the camera is fixed as shown in FIG. 3, when the load is loaded on the fork, the angle of view of the camera is obscured, making it difficult to check the position of the fork and the rack when working at height. do.

Accordingly, when the cargo is loaded in a high place such as a logistics warehouse, there is a problem in that the work time is delayed even though the camera is installed.

However, according to the present invention, as shown in Fig. 4, when the camera is above a certain height, that is, when the camera bracket 31 does not come into contact with the stopper 33, the camera 30 always has a fork ( 26) is located at the bottom.

Accordingly, the angle of view of the camera can be secured as much as possible even when the load is loaded on the fork, and in particular, the position of the fork 26 and the rack 50 can be easily grasped by the driver through the monitor when working at height.

As a result, the convenience and efficiency of work can be improved, and the work time can be significantly reduced, especially when loading cargo at a high place in a large warehouse.

Hereinafter, the effect of the fork camera mounting structure according to the present invention will be described with reference to FIGS. 4 and 5 .

When the fork 26 is higher than a certain height, that is, when the camera bracket 31 is not in close contact with the stopper 33 , the camera 30 is always positioned under the fork 26 even if the fork 26 is loaded with a load. Since it is located at , it is possible to minimize blocking of the angle of view of the camera 30 .

Accordingly, since the driver can easily check the positions of the fork 26 and the rack 50 (see FIG. 2 ) through the monitor 50, it is possible to improve the convenience of work at height work and greatly reduce the work time. can do

On the other hand, when the fork 26 is lowered toward the ground, the side member 31c of the camera bracket 31 comes into contact with the stopper 33 first.

At this time, by the elasticity of the buffer member 33a and the elastic member 34 provided in the stopper 33 , the camera bracket 31 may be gently seated on the stopper 33 .

Accordingly, it is possible to prevent the camera 30 from being damaged by the lowering of the fork 26 .

If the fork 26 is continuously lowered in this state, the camera bracket 31 remains seated in the stopper 33, and the guide bracket 32 connected to the lower horizontal beam 24a of the carriage connects to the camera bracket ( It slides downward along the slot 31a of 31).

That is, as the tension spring, which is the elastic member 34, is stretched, the guide bracket 32 slides downward, so that the lower beam 24a and the fork 26 of the carriage connected thereto can descend to the maximum descending point.

When the fork 26 descends to the maximum descending point, it is unavoidable that the angle of view of the camera 30 is partially obscured by the load loaded on the fork 26 .

However, in this case, since the driver can work while visually checking the fork 26 and the load on the ground instead of looking at the monitor, even if the angle of view of the camera 30 is obscured, it is not a big problem.

On the other hand, the tension spring is provided with a length in which the camera bracket 31 does not rise from the ground when the fork 26 is lowered to the ground as much as possible.

To this end, a plurality of adjustment holes 32e for adjusting the length of the tension spring are formed in the connecting member 32c of the guide bracket 32, as shown in FIG.

By adjusting the tension and length of the tension spring by the plurality of adjustment holes 32e, the camera 30 can be maintained at a desired position.

When the fork 26 is raised again, initially the camera bracket 31 maintains a state in close contact with the stopper 33 by its own weight, and when the height exceeds a certain level, the camera bracket 31 is automatically activated by the elasticity of the tension spring. to return to its original position.

According to the present invention, it is possible to increase the angle of view of the camera as much as possible by mounting the camera at the lower end of the carriage in a sliding type, and it is possible to prevent the camera from being damaged by colliding with the ground while disposing the camera under the fork.

Accordingly, it is possible to fundamentally solve the problem of the prior art, in which the angle of view is obscured even though the expensive camera device is provided, and thus it cannot perform its role when working at height.

In the above, preferred embodiments of the present invention have been exemplarily described, and the scope of the present invention is not limited to the specific embodiments described above. Those of ordinary skill in the art will understand that various changes and modifications are possible without departing from the scope of the technical spirit of the present invention.

For example, the present invention can be applied not only to the above-described rich type forklift but also to a counterbalance type forklift.

1: Body frame 2: Mast assembly
3: Mast Rail 4: Carriage
5: Lift Chain 6: Fork
7: Driver's seat 8: Overhead Guard
9: Counterweight 10: Front Wheel
11: rear wheel
21: body 21a: outrigger
22: mast assembly 22a: outer mast (Outer Mast)
22b: Inner Mast 24: Carriage
24a: horizontal beam 26: fork
27: front wheel 28: rear wheel
29: Lift Cylinder
30: Camera 31: Camera Bracket
31a: slot (Slot) 31b: protruding member
31c: side member 32: guide bracket (Guide Bracket)
32a: horizontal member 32b: vertical member
32c: connecting member 32d: reinforcing rib (Rib)
32e: adjustment hole 33: stopper
33a: buffer member 34: elastic member
35: guide member 40: monitor (Monitor)
50: Rack

Claims (9)

A forklift vehicle body, a mast assembly provided in front of the vehicle body, a carriage that moves up and down along the mast rail of the mast assembly, a pair of forks provided in front of the carriage, and a lower portion of the carriage A forklift comprising a camera for detecting a position of a fork, and a monitor installed on a driver's seat, the forklift comprising:
A camera bracket 31 having a camera 30 at the lower end and having a slot 31a formed therein in the vertical direction;
a guide bracket 32 assembled to slide with the camera bracket 31 by a guide member 35;
The fork camera mounting structure of the forklift, further comprising an elastic member (34) connecting the camera bracket (31) and the guide bracket (32). The method of claim 1,
A fork camera mounting structure for a forklift, characterized in that a stopper (33) is further provided under the camera bracket (31) to prevent the lower end of the camera bracket (31) from collided with the ground. 3. The method of claim 2,
The fork camera mounting structure of the forklift, characterized in that the stopper (33) is further provided with a rubber cushioning member (33a). The method of claim 1,
The guide bracket 32,
A horizontal member (32a) assembled with the horizontal beam (24a) of the lower end of the carriage,
a vertical member (32b) extending upwardly from one end of the horizontal member (32a);
The fork camera mounting structure of a forklift, characterized in that it comprises a connecting member (32c) provided on the vertical member (32b). 5. The method of claim 4,
A fork camera mounting structure for a forklift, characterized in that a guide member (35) for guiding the guide bracket (32) along a slot (31a) formed in the camera bracket (31) is assembled to the guide bracket (32). 6. The method of claim 5,
The fork camera mounting structure of the forklift, characterized in that the guide member (35) includes a guide roller. The method of claim 1,
The fork of the forklift, characterized in that the elastic member (34) is provided to connect the protruding member (31b) provided on the upper portion of the camera bracket (31) and the connecting member (32c) provided on the guide bracket (32) to each other. camera mounting structure. 8. The method of claim 7,
The fork camera mounting structure of the forklift, characterized in that the elastic member (34) is a tension spring. 8. The method of claim 7,
A fork camera mounting structure for a forklift, characterized in that a plurality of adjustment holes (32e) for adjusting the tension of the elastic member (34) are formed in the connection member (32c).

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