Battlefield situation deduction sand table based on digital earth

Abstract

The utility model discloses a battlefield situation deduction sand table based on the digital earth, comprising a bottom plate, four corners of the bottom plate are provided with stable moving structures, the bottom plate is provided with a lifting structure, the lifting structure is provided with a supporting plate, the supporting plate is provided with a support, the support is provided with a display screen assembly, and the display screen assembly is provided with a display screen. The battlefield situation deduction sand table based on the digital earth relates to the technical field of the digital earth, and firstly, most mechanical structures are concentrated on the bottom plate, so that the lower disc of the device is more stable, the size of a sand table (display screen) base can be reduced, the sand table can be conveniently pushed and moved by using pulleys, the area of the display screen is large, and the size of the display screen is reduced. Therefore, when the multiple sand tables are spliced, the splicing is not limited by the base, the splicing of the display screens between the sand tables is more close, the device can provide two observation modes of a vertical screen and a horizontal screen, and people can conveniently watch the battlefield situation.

Description

Technical Field

[0001] The utility model relates to the technical field of digital earth, in particular to a battlefield situation deduction sand table based on digital earth. Background Art

[0002] "Digital Earth" is a digitized Earth, a digital model of the Earth. It uses digital technology and methods to organize the temporal and spatial change data of the Earth and its activities and environment according to the Earth's coordinates, and stores them in globally distributed computers to form a global digital model, which is quickly circulated on high-speed networks, so that people can quickly, intuitively and completely understand the planet we live on. "Digital Earth" will provide high-quality services for the sustainable development of mankind, social progress and national economic construction to the greatest extent possible.

[0003] In order to help people better understand the digital earth, it is a good choice to use digital earth technology to view image information including battlefield situation and combine it with display equipment. For example, combining it with a sand table. The existing sand table is not convenient to move, and it is not convenient to splice multiple sand tables due to volume limitations. This results in the inability to compare sand tables with each other, and the flexibility of viewing content splicing will also be reduced, which is inconvenient for people to use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a battlefield situation simulation sand table based on digital earth, which solves the problem that the existing sand table is inconvenient to move and that multiple sand tables are inconvenient to splice and use due to volume limitations.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a battlefield situation simulation sand table based on digital earth, including a base plate, a stable mobile structure is installed at the four corners of the base plate, a lifting structure is installed on the base plate, a support plate is installed on the lifting structure, a bracket is installed on the support plate, and a display screen assembly is installed on the bracket.

[0006] Preferably, the display screen assembly includes a first display screen located at the top end of the bracket, a second display screen is hinged on the left and right sides of the first display screen, a first connecting rod is installed on the right side of the bracket, a second connecting rod is movably installed on the first connecting rod, the second connecting rod is fixedly connected to the lower wall of the first display screen, an electric push rod is movably installed on the left and right sides of the second connecting rod, the telescopic end of the electric push rod is movably connected to the lower wall of the second display screen located on the same side, a push rod is installed on the lower right side of the bracket, a rubber head is installed on the front end of the push rod, and a hook portion is installed between the lower left side of the first display screen and the support plate.

[0007] Preferably, the hook portion includes a first fixing rod arranged on the lower left side of the first display screen, a second fixing rod is movably installed on the lower left side of the bracket, a card slot is movably installed on the second fixing rod, the first fixing rod is plug-connected to the card slot, nuts are embedded on the left and right sides of the card slot, a top screw is spirally installed in the nut, and the top screw is in contact with the first fixing rod.

[0008] Preferably, the stable movable structure includes a base plate, which is arranged on the lower side of the base plate, a pulley is movably installed at the bottom of the base plate, 2 to 3 cylinders are inserted on the base plate, a screw is spirally installed in the cylinder, and a foot is installed at the bottom of the screw.

[0009] Preferably, the lifting structure includes guide columns, which are arranged at the four corners of the base plate, the telescopic ends of the guide columns are connected to the support plate, a lead screw is rotatably installed on the base plate, a slider is spirally installed on the outer ring surface of the lead screw, a plurality of fixed beams are installed on the outer side of the slider, the fixed beams are connected to the support plate, a driven pulley is installed on the bottom outer ring surface of the lead screw, a servo motor is installed on the base plate, a driving pulley is installed on the rotating end surface of the servo motor, and a belt is provided between the driven pulley and the driving pulley.

[0010] Preferably, the front view shape of the bracket is "h"-shaped, and the right view shape of the bracket is "H"-shaped for supporting the first display screen.

[0011] Beneficial Effects

[0012] The utility model provides a battlefield situation simulation sand table based on digital earth. It has the following beneficial effects: the battlefield situation simulation sand table based on digital earth first concentrates most of the mechanical structure on the bottom plate, making the lower plate of the device more stable, thereby reducing the size of the sand table (display screen) base, one is convenient to use the pulley to push and move the sand table, and the other is that the area of ​​the display screen is large, so that when multiple sand tables are spliced, they will not be restricted by the base, so that the display screens between the sand tables can be spliced ​​more closely, and the device can provide two viewing modes of vertical screen and horizontal screen, which is convenient for people to watch the battlefield situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of point A of the present utility model.

[0015] Figure 3 This is a schematic diagram of the structure of point B of the present utility model.

[0016] In the figure: 1, bottom plate; 2, support plate; 3, bracket; 4, first display screen; 5, second display screen; 6, first connecting rod; 7, second connecting rod; 8, electric push rod; 9, push rod; 10, rubber head; 11, first fixed rod; 12, second fixed rod; 13, slot; 14, nut; 15, push screw; 16, guide column; 17, lead screw; 18, slider; 19, fixed beam; 20, servo motor; 21, pulley; 22, screw; 23, cylinder. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0019] See also Figure 1-3 The utility model provides a technical solution: a battlefield situation simulation sand table based on digital earth, comprising a bottom plate 1, wherein the four corners of the bottom plate 1 are equipped with a stable mobile structure, a lifting structure is installed on the bottom plate 1, a support plate 2 is installed on the lifting structure, a bracket 3 is installed on the bracket 2, and a display screen assembly is installed on the bracket 3;

[0020] Specifically, the device needs to be equipped with a main control device (main controller, main control board) with AI algorithm written in it behind the display screen or connected to an external server, and the results from the controller are displayed on the display screen for people to watch;

[0021] Specifically, the display screen should be a touch screen as much as possible, so that people can operate by touching the screen while watching the battlefield situation.

[0022] Embodiment 1: The display screen assembly includes a first display screen 4 located at the top of a bracket 3, and second display screens 5 are hinged on the left and right sides of the first display screen 4. A first connecting rod 6 is installed on the right side of the bracket 3, and a second connecting rod 7 is movably installed on the first connecting rod 6. The second connecting rod 7 is fixedly connected to the lower wall of the first display screen 4, and electric push rods 8 are movably installed on the left and right sides of the second connecting rod 7. The telescopic end of the electric push rod 8 is movably connected to the lower wall of the second display screen 5 on the same side. A push rod 9 is installed on the lower right side of the bracket 3, and a rubber head 10 is installed on the front end of the push rod 9. A hook portion is installed between the lower left side of the first display screen 4 and the support plate 2;

[0023] Specifically, the electric push rod 8 can control the raising and direction of the second display screen 5 and control the size of the display screen as required.

[0024] The hook part includes a first fixing rod 11 arranged at the lower left side of the first display screen 4, a second fixing rod 12 is movably installed at the lower left side of the bracket 3, a card slot 13 is movably installed on the second fixing rod 12, the first fixing rod 11 is plug-connected with the card slot 13, nuts 14 are embedded on the left and right sides of the card slot 13, a top screw 15 is spirally installed in the nut 14, and the top screw 15 is in contact with the first fixing rod 11;

[0025] Specifically, when the display screen needs to be placed in portrait orientation, the first fixing rod 11 is pulled out of the slot 13, and then the first display screen 4 is lowered so that it is supported on the rubber head 10 in front of the top rod 9. When the display screen needs to be placed in landscape orientation, the first fixing rod 11 is inserted into the slot 13, and the top screw 15 is tightened to clamp the first fixing rod 11.

[0026] The shape of the bracket 3 in the front view is “h”-shaped, and the shape of the bracket 3 in the right view is “H”-shaped for supporting the first display screen 4 .

[0027] Embodiment 2: The stable moving structure comprises a base plate, which is arranged on the lower side of the bottom plate 1, a pulley 21 is movably installed at the bottom of the base plate, 2 to 3 cylinders 23 are inserted on the base plate, a screw 22 is spirally installed in the cylinder 23, and a foot is installed at the bottom of the screw 22;

[0028] Specifically, providing two to three cylinders 23 can reduce the cost while allowing the bottom plate 1 to maintain maximum stability to a certain extent. It should be noted that the cylinders 23 on the diagonals are distributed in a point-symmetrical manner;

[0029] Specifically, one function of this structure is to prevent the base plate 1 from shaking when the ground is uneven. Another function is to push up the screw 22 when the pulley 21 is needed to push the display screen. When it is not needed, the screw 22 is unscrewed to allow the foot to support the ground to prevent the device from being misaligned.

[0030] Embodiment 3: The lifting structure includes guide columns 16, which are arranged at the four corners of the base plate 1, and the telescopic ends of the guide columns 16 are connected to the support plate 2. A lead screw 17 is rotatably installed on the base plate 1, and a slider 18 is spirally installed on the outer ring surface of the lead screw 17. A plurality of fixed beams 19 are installed on the outer side of the slider 18, and the fixed beams 19 are connected to the support plate 2. A driven pulley is installed on the bottom outer ring surface of the lead screw 17, and a servo motor 20 is installed on the base plate 1. A driving pulley is installed on the rotating end surface of the servo motor 20, and a belt is provided between the driven pulley and the driving pulley;

[0031] Specifically, the function of this structure is to raise the display screen to make it easier for people to use.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battlefield situation simulation sand table based on digital earth, comprising a base plate (1), characterized in that: The four corners of the base plate (1) are all equipped with a stable moving structure, the base plate (1) is equipped with a lifting structure, the lifting structure is equipped with a support plate (2), the support plate (2) is equipped with a bracket (3), and the bracket (3) is equipped with a display screen assembly; The display screen assembly comprises a first display screen (4) located at the top of a bracket (3), a second display screen (5) is hinged on both the left and right sides of the first display screen (4), a first connecting rod (6) is installed on the right side of the bracket (3), a second connecting rod (7) is movably installed on the first connecting rod (6), the second connecting rod (7) is fixedly connected to the lower wall surface of the first display screen (4), an electric push rod (8) is movably installed on both the left and right sides of the second connecting rod (7), the telescopic end of the electric push rod (8) is movably connected to the lower wall surface of the second display screen (5) located on the same side, a push rod (9) is installed on the lower right side of the bracket (3), a rubber head (10) is installed on the front end of the push rod (9), and a hook portion is installed between the lower left side of the first display screen (4) and the support plate (2); The hook portion comprises a first fixing rod (11) arranged on the lower left side of the first display screen (4); a second fixing rod (12) is movably mounted on the lower left side of the bracket (3); a card slot (13) is movably mounted on the second fixing rod (12); the first fixing rod (11) is plug-connected with the card slot (13); nuts (14) are embedded on both left and right sides of the card slot (13); a top screw (15) is spirally mounted inside the nut (14); and the top screw (15) is in contact with the first fixing rod (11); The shape of the bracket (3) in the front view is an "h" shape, and the shape of the bracket (3) in the right view is an "H" shape for supporting the first display screen (4).

2. The battlefield situation simulation sandbox based on digital earth according to claim 1 is characterized in that The stable moving structure comprises a base plate, which is arranged on the lower side of the base plate (1), a pulley (21) is movably installed at the bottom of the base plate, 2 to 3 cylinders (23) are inserted on the base plate, a screw (22) is spirally installed inside the cylinder (23), and a foot is installed at the bottom of the screw (22).

3. The battlefield situation simulation sandbox based on digital earth according to claim 1 is characterized in that The lifting structure comprises a guide column (16), wherein the guide column (16) is arranged at the four corners of the base plate (1), the telescopic end of the guide column (16) is connected to the support plate (2), a lead screw (17) is rotatably mounted on the base plate (1), a slider (18) is spirally mounted on the outer ring surface of the lead screw (17), a plurality of fixed beams (19) are mounted on the outer side of the slider (18), the fixed beam (19) is connected to the support plate (2), a driven pulley is mounted on the bottom outer ring surface of the lead screw (17), a servo motor (20) is mounted on the base plate (1), a driving pulley is mounted on the rotating end surface of the servo motor (20), and a belt is arranged between the driven pulley and the driving pulley.

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