Forklift portal visual field auxiliary device and using method

Abstract

The invention discloses a forklift portal visual field auxiliary device which is characterized in that the forklift portal visual field auxiliary device comprises at least one visual field auxiliary part arranged on a portal; the visual field auxiliary part comprises a display assembly located on the portal frame, the display assembly is arranged on the portal frame and faces a forklift cab, and an image obtaining assembly is arranged on one side of the display assembly. The image acquisition assembly is used for acquiring an image and / or a video of an area, which is shielded by the portal frame, in front of the portal frame and displaying the image or the video of the shielded area on the display assembly, and the image of the area, which is shielded by the portal frame, in front of the portal frame is provided in real time through the display screen arranged on the portal frame of the forklift; according to the device, the visual field blind area caused by the portal frame is avoided, all-directional and barrier-free visual field support is provided for a driver, the intelligent level of forklift operation is greatly improved, and the safety coefficient of loading, unloading and transportation is remarkably enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of forklifts, and specifically to a vision assistance device for a forklift mast and a usage method thereof. Background Art

[0002] In the era of rapidly evolving forklift technology, counterbalance forklifts have become indispensable logistics handling equipment in multiple industries such as manufacturing, logistics, warehousing, and construction due to their unparalleled efficiency, excellent stability, and wide applicability. As a core component of forklift technology, the mast system integrates a series of precision components such as an inner mast, an outer mast, forks, a lifting cylinder, and chains. These components work together to complete the tasks of lifting and transporting goods. In particular, the lifting cylinder has its cylinder body firmly installed at the bottom of the outer mast, and the piston rod is ingeniously connected to the top of the inner mast. Through their precise cooperation, the inner mast is smoothly lifted and lowered within the outer mast, thus ensuring the accuracy and efficiency of goods handling.

[0003] However, this delicate design also brings a problem that cannot be ignored - limited vision. During the operation of a forklift, the traditional mast structure often blocks the front line of sight, making it difficult for the operator to visually perceive obstacles or objects in front of the mast in real time. This not only seriously affects the loading and unloading efficiency of goods but also poses a great threat to operation safety. Especially in special forklift working conditions, such as during high-speed transfer, the outline of the mast structure further obstructs the vision, increasing the risk of collisions and accidents; while during low-speed stacking, the driver needs to clearly see the outline of the mast to accurately judge the relative position state of the goods and the shelf, and this contradiction makes the problem of limited vision more prominent. Summary of the Invention

[0004] The purpose of the present invention is to provide a vision assistance device for a forklift mast and a usage method thereof to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A vision assistance device for a forklift mast includes a vision assistance part provided on the mast, and at least one vision assistance part is provided.

[0007] The vision assistance part includes a display component located on the mast. The display component is provided on the mast and faces the forklift cab. An image acquisition component is provided on one side of the display component. The image acquisition component is used to acquire an image and / or video of the area in front of the mast that is blocked by the mast and display the image or video of the blocked area on the display component.

[0008] As a further solution of the present invention: There are two sets of the vision assistance parts, and the two sets of vision assistance parts are respectively located at the rear sides of the gantry channel steels on both sides of the gantry.

[0009] As a further solution of the present invention: A support structure is arranged on the gantry channel steel, the display component is a display screen, and the display component is fixedly connected to the gantry channel steel through the support structure.

[0010] As a further solution of the present invention: The support structure includes support legs fixedly connected to the side part of the gantry channel steel and a support frame arranged perpendicular to the support legs, and the display component is fixedly connected to the support frame.

[0011] As a further solution of the present invention: A fork carriage is slidably connected to the gantry, a forklift body is arranged on one side of the gantry away from the fork carriage, a control part for receiving the signal of the image acquisition component, processing it and sending data to the display component is arranged on the forklift body, an image processing module is built in the control part, and the control part is signal-connected to a control button.

[0012] As a further solution of the present invention: The image acquisition component is a camera.

[0013] A using method of a forklift gantry vision assistance device includes the following steps:

[0014] Step 1: Start the forklift, select the intelligent control mode and execute Step 2;

[0015] Step 2: Detect the driving state of the forklift. If the forklift is in a high-speed state, execute Step 3; if the forklift is in a low-speed state, execute Step 4;

[0016] Step 3: Start the image acquisition component to acquire the image of the forklift vision blind area, process the acquired image and display it on the display component in real time;

[0017] Step 4: Do not start the vision assistance device.

[0018] As a further solution of the present invention: A manual control mode is also set in Step 1, and the manual control mode includes a control switch for manually turning on or off the vision assistance device.

[0019] As a further solution of the present invention: The detection of the forklift driving state is to obtain the current vehicle speed V1 of the forklift through a vehicle speed sensor and set a judgment threshold V0;

[0020] If the current vehicle speed V1 is less than the judgment threshold V0, the current forklift is in a low-speed state; otherwise, the forklift is in a high-speed state.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. The present application provides, in real time, an image of the area blocked by the forklift mast through a display screen provided on the forklift mast, avoiding the generation of a visual blind area caused by the mast, providing all-round and unobstructed visual support for the driver, greatly improving the intelligent level of forklift operation, and significantly enhancing the safety factor of loading, unloading and transportation;

[0023] 2. The display screen of the present application is set in the visual direction of the driver, and the driver can obtain the visual field in the blind area in real time when looking in this direction, avoiding the problem of inconvenient driving caused by the need to frequently look down at the display screen when the display screen is arranged on the forklift control panel;

[0024] 3. The present application has significant advantages such as low cost, long service life, and strong anti-interference ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the loading state in the visual field assistance state of this embodiment;

[0026] Figure 2 It is a schematic diagram of the structure of the visual field assistance device of this embodiment;

[0027] Figure 3 It is a schematic diagram of the perspective cutting of the visual field assistance device of this embodiment;

[0028] Figure 4 It is a schematic diagram of the usage state of the visual field assistance device of this embodiment;

[0029] Figure 5 It is a working flow chart of the visual field assistance device of this embodiment.

[0030] In the figure: 1 - mast, 11 - mast channel steel, 2 - visual field assistance part, 21 - display component, 22 - support structure, 23 - image acquisition component, 3 - fork carriage. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figure 1 , in the embodiments of the present invention, a forklift mast visual field assistance device includes a visual field assistance part 2 provided on the mast 1. At least one visual field assistance part 2 is provided. As shown in the attached Figure 2As shown, in this embodiment, there are two vision assistance parts 2, which are respectively arranged at the channel steels on both sides of the forklift mast. The forklift mast is the main cause of the front vision blind area of the forklift. Therefore, the vision assistance part 2 is set here to eliminate the problem of the front vision blind area of the forklift caused by the mast.

[0033] The vision assistance part 2 includes a display component 21 located on the mast 1. A support structure 22 is arranged on the mast channel steel 11. The display component 21 is a display screen. The display component 21 is fixedly connected to the mast channel steel 11 through the support structure 22. In this embodiment, as Figure 2 shown, the support structure 22 includes a support leg fixedly connected to the side of the mast channel steel 11 and a support frame arranged perpendicular to the support leg. The display component 21 is fixedly connected to the support frame. The display component 21 uses a display screen. The display component 21 is arranged on the mast 1 and faces the direction of the forklift cab. An image acquisition component 23 is arranged on one side of the display component 21. In this embodiment, the image acquisition component 23 uses a real-time high-definition camera to acquire images of the blind area in front of the mast. The image acquisition component 23 is used to acquire images and / or videos of the area blocked by the mast 1 in front of the mast 1 and display the images or videos of the blocked area on the display component 21.

[0034] A fork carriage is slidably connected to the mast 1. A forklift body is arranged on the side of the mast 1 away from the fork carriage. A control part for receiving the signal of the image acquisition component 23, processing it and sending data to the display component 21 is arranged on the forklift body. An image processing module is built in the control part. The control part is signal-connected to a control button.

[0035] A usage method of a forklift mast vision assistance device includes the following steps:

[0036] Step 1: Start the forklift, select the intelligent control mode and execute Step 2;

[0037] Step 2: Detect the driving state of the forklift. In this embodiment, the detection of the forklift driving state obtains the current vehicle speed V1 of the forklift through a vehicle speed sensor and sets a judgment threshold V0; if the current vehicle speed V1 is less than the judgment threshold V0, the current forklift is in a low-speed state, otherwise, the forklift is in a high-speed state. The specific judgment threshold can be set according to the vehicle and customer requirements. In this embodiment, the judgment threshold is one-third of the full-load vehicle speed;

[0038] If the forklift is in a high-speed state, execute Step 3; if the forklift is in a low-speed state, execute Step 4;

[0039] Step 3: Activate the image acquisition component to obtain the images of the blind spots in the forklift's field of vision, process the acquired images and display them in real time on the display component 21. In this embodiment, the image acquisition component will capture the images in front of the mast in real time. These images are processed by image sampling and cropping, and only the part of the driver's field of vision blocked by the mast is retained. In this embodiment, the driver is driving in a normal sitting position, looking straight ahead and considering the small-scale movement of the driver's head, and the blind spot images in this posture of the driver are cropped out, and the rest of the image parts are not used. Mainly, the driver can always maintain a comfortable driving posture of looking straight ahead, as Figure 4 shown. Finally, these blocked fields of vision will be clearly and without delay displayed on the display screen, presenting an all-round and unobstructed visual environment for the operator, as Figure 4 shown.

[0040] Step 4: When the vision assistance device is not activated, that is, when the forklift's traveling speed is lower than the speed threshold, the system determines that the forklift is in the low-speed stacking state. At this time, both the camera and the display screen will automatically turn off, and the driver can clearly see the positional relationship between the goods and the mast for precise stacking operations.

[0041] In addition, the present application also sets a manual control mode. The manual control mode includes a control switch for manually turning on or off the vision assistance device. If the driver selects to use the always-display function, the camera and the display will always remain in the working state, providing continuous vision support for the driver, as Figure 5 shown.

[0042] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0043] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A forklift mast vision auxiliary device, characterized in that: It comprises a visual field auxiliary part (2) arranged on a door frame (1), wherein the visual field auxiliary part (2) is provided with at least one; The field of vision auxiliary unit (2) comprises a display component (21) located on the gantry (1), wherein the display component (21) is arranged on the gantry (1) and faces the forklift cab, and an image acquisition component (23) is arranged on one side of the display component (21), wherein the image acquisition component (23) is used to acquire an image and / or video of an area in front of the gantry (1) that is blocked by the gantry (1) and display the image or video of the blocked area on the display component (21).

2. A forklift mast vision auxiliary device according to claim 1, characterized in that: Two groups of the field of vision auxiliary parts (2) are provided, and the two groups of the field of vision auxiliary parts (2) are respectively located at the rear side of the portal frame channel steel (11) on both sides of the portal frame (1).

3. A forklift mast vision auxiliary device according to claim 2, characterized in that: A support structure (22) is provided on the portal channel steel (11); the display assembly (21) is a display screen; and the display assembly (21) is fixedly connected to the portal channel steel (11) via the support structure (22).

4. A forklift mast vision auxiliary device according to claim 3, characterized in that: The support structure (22) comprises a support leg fixedly connected to the side of the door frame channel steel (11) and a support frame arranged perpendicular to the support leg, and the display assembly (21) is fixedly connected to the support frame.

5. The forklift mast vision auxiliary device according to claim 1, characterized in that: A fork frame (3) is slidably connected to the door frame (1), a forklift body is arranged on a side of the door frame (1) away from the fork frame (3), and a control unit is arranged on the forklift body for receiving signals from the image acquisition component (23), processing the signals, and sending data to the display component (21), an image processing module is built in the control unit, and the control unit signal is connected to a control button.

6. The forklift mast vision auxiliary device according to claim 1, characterized in that: The image acquisition component (23) is a camera.

7. A method for using a forklift mast vision auxiliary device according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Start the forklift, select the intelligent control mode and proceed to step 2; Step 2: Detect the driving state of the forklift. If the forklift is in a high-speed state, execute step 3; if the forklift is in a low-speed state, execute step 4; Step 3, start the image acquisition component to acquire the image of the blind spot of the forklift's field of vision, process the acquired image and display it in real time on the display component (21); Step 4: The visual field assist device is not activated.

8. The method for using the forklift mast vision auxiliary device according to claim 7, characterized in that: In the step 1, a manual control mode is also set, and the manual control mode includes manually opening or closing a control switch of the visual field auxiliary device.

9. The method for using the forklift mast vision auxiliary device according to claim 7, characterized in that: The detection of the forklift state obtains the current speed V1 of the forklift through the speed sensor and sets the judgment threshold V0; If the current vehicle speed V1 is less than the judgment threshold V0, the forklift is currently in a low-speed state, otherwise, the forklift is in a high-speed state.

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