Lifting platform control system

Abstract

The utility model discloses a lifting platform control system which comprises a box body, a lifting leveling mechanism arranged in the box body, a lifting platform arranged on the lifting leveling mechanism and a control mechanism arranged in the box body, the control mechanism is connected with the lifting leveling mechanism, an inner box with a transparent top wall is arranged in the center of the interior of the box body, and the inner box is connected with the lifting leveling mechanism. Liquid and a hemispherical floater are arranged in the inner box, the top face of the floater is a plane, a plurality of distance measuring instruments connected with the control mechanism are arranged on the bottom face of the rising and falling platform, one distance measuring instrument is a reference distance measuring instrument and located in the center of the rising and falling platform, and the rest distance measuring instruments are distance measuring instruments distributed on the periphery in an array mode. Each range finder is used for measuring the distance from the top surface of the floater to the transmitting end of the range finder. The liquid is arranged in the inner box, the hemispherical floater is arranged, the distance meter arranged at the bottom of the rising and falling platform obtains the distance value from the top face of the floater, the distance value is fed back to the controller to control the rising and falling leveling mechanism to rise and fall at different positions of the rising and falling platform, and therefore automatic leveling is achieved, manual participation is not needed, and the working efficiency is improved. And the adjustment is faster and more accurate.

Description

Technical Field

[0001] The utility model relates to a control system for a landing platform, in particular to a control system for a landing platform. Background Art

[0002] Drones have many application scenarios in both the military and civilian fields. When taking off and landing, in order to prevent them from rolling and tilting to reduce the accidental risks during takeoff and landing, a flat ground is required.

[0003] The patent with the application number CN202322260019.7 discloses a drone landing platform, which includes a landing and takeoff board. Wing plates are arranged on the sides of the landing and takeoff board. The landing and takeoff board is connected to a telescopic rod through a connecting component. A liquid pipe is arranged on the upper surface of the landing and takeoff board. The liquid pipe includes a transparent outer shell, on which horizontal scale lines are marked on the side. The transparent outer shell is filled with liquid; the wing plates connected to the sides of the landing and takeoff board can be used to extend and expand the surface of the landing and takeoff board. There is a telescopic rod for lifting the landing and takeoff board. The telescopic rod can be used to adjust the height of the landing and takeoff board to make the landing and takeoff board higher than the ground to adapt to various takeoff terrains. By adjusting the lengths of each telescopic rod, the levelness of the landing and takeoff board can be adjusted.

[0004] For the landing platform provided by the above patent, the lengths of the telescopic rods need to be manually controlled to adjust the levelness. During adjustment, multiple telescopic rods need to be continuously adjusted, which is time-consuming and laborious to use. Summary of the Utility Model

[0005] Based on the deficiency that the landing platform provided in the prior art needs to manually control the lengths of the telescopic rods to adjust the levelness, and multiple telescopic rods need to be continuously adjusted during adjustment, which is time-consuming and laborious to use, the utility model provides a control system for a landing platform.

[0006] The technical solution adopted by the utility model to solve the above technical problems is as follows:

[0007] The control system for a landing platform includes a box body, a lifting and leveling mechanism arranged in the box body, a landing platform arranged on the lifting and leveling mechanism, and a control mechanism arranged in the box body. The control mechanism is connected to the lifting and leveling mechanism. An inner box with a transparent top wall is arranged at the center position inside the box body. There is liquid in the inner box and a hemispherical float is arranged. The top surface of the float is flat. A plurality of rangefinders connected to the control mechanism are arranged on the bottom surface of the landing platform. One of them is a reference rangefinder and is located at the center of the landing platform, and the rest are rangefinders for measurement distributed in an array on the periphery. Each rangefinder is used to measure the distance from the top surface of the float to the transmitting end of the rangefinder.

[0008] Preferably, the box body is of a cylindrical structure, the lifting platform is a circular plate, and the distance measuring instruments are evenly distributed in a circular array around the reference distance measuring instrument with the reference distance measuring instrument as the center.

[0009] Preferably, the lifting and leveling mechanism includes a plurality of telescopic cylinders that are the same in number as the distance measuring instruments and are distributed in a circular array around the distance measuring instruments, and the output ends of the telescopic cylinders are connected to the bottom of the lifting platform.

[0010] Preferably, the vertical projections of the telescopic cylinders are respectively located on the extension lines of the vertical projection of the reference distance measuring instrument and the vertical projections of the respective distance measuring instruments.

[0011] Preferably, the box body is of a square structure, the lifting platform is a rectangular plate, and the distance measuring instruments are evenly distributed in a rectangular array around the reference distance measuring instrument with the reference distance measuring instrument as the center.

[0012] Preferably, the box body is of a square structure, and the lifting and leveling mechanism includes 4 telescopic cylinders that are distributed in a rectangular array around the distance measuring instruments, and the output ends of the telescopic cylinders are connected to the bottom of the lifting platform.

[0013] Preferably, a universal joint is provided at the output end of the lifting and leveling mechanism, and it is movably connected to the bottom of the lifting platform through the universal joint.

[0014] Preferably, the control mechanism includes a power supply and a controller provided in the box body. The power supply is connected to the controller to supply power to the controller, and the controller is connected to the lifting and leveling mechanism.

[0015] Preferably, the inner box includes an inner bottom box and an upper cover covering the top of the inner bottom box. The upper cover is a transparent cover, and the inner bottom box has a cylindrical cavity with a diameter larger than the maximum diameter of the float.

[0016] Preferably, the box body includes a bottom shell and a flip cover. The flip cover is hinged to the bottom shell and can cover the bottom shell to enclose the lifting platform inside.

[0017] Compared with the prior art, the advantages of the present utility model are as follows: In this application, a liquid is provided in the inner box and a hemispherical float is provided. Then, the distance value from the top surface of the float is obtained through the distance measuring instrument provided at the bottom of the lifting platform, and the distance value is fed back to the controller to control the lifting and leveling mechanism to lift different positions of the lifting platform, thereby realizing automatic leveling without manual participation, and the adjustment is faster and more accurate. Description of the Drawings

[0018] The present utility model will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments and should not be construed as limiting the scope of the present utility model. In addition, unless otherwise specified, the drawings only schematically show the composition or structure of the described object and may include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 Is a perspective view of the present application;

[0020] Figure 2 Is an exploded view of the present application (top of the landing platform);

[0021] Figure 3 Is an exploded view of the present application (bottom of the landing platform);

[0022] Figure 4 Is a perspective view of the interior of the box body;

[0023] Figure 5 Is a perspective view of the functioning part of the rangefinder;

[0024] Figure 6 Is a distribution diagram of the rangefinder;

[0025] In the figure: 10, box body; 101, bottom shell; 102, flip cover; 103, inner box; 1031, bottom box; 1032, upper cover; 20, landing platform; 30, controller; 40, power supply; 50, lifting and leveling mechanism; 60, float; 701, reference rangefinder; 702, ranging rangefinder. Specific Embodiments

[0026] The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are only descriptive and exemplary and should not be construed as limiting the protection scope of the present utility model.

[0027] It should be noted that: Similar reference numerals denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it may not be further defined and explained in subsequent drawings.

[0028] Embodiment 1

[0029] This embodiment mainly elaborates on the title of the portable UAV landing platform as follows:

[0030] Refer to the attached Figures 1 - 6, Landing platform control system, including a box body 10, a lifting and leveling mechanism 50 arranged inside the box body 10, a landing platform 20 arranged on the lifting and leveling mechanism 50, and a control mechanism arranged inside the box body 10. The control mechanism is connected to the lifting and leveling mechanism 50. There is an inner box 103 with a transparent top wall at the center position inside the box body 10. There is liquid in the inner box 103 and a hemispherical float 60 is provided. The top surface of the float 60 is flat. There are several distance measuring instruments connected to the control mechanism on the bottom surface of the landing platform 20. One of them is a reference distance measuring instrument 701 and it is located at the center of the landing platform 20, and the rest are distance measuring distance measuring instruments 702 arrayed peripherally. Each distance measuring instrument is used to measure the distance from the top surface of the float 60 to the transmitting end of the distance measuring instrument. In this solution, by setting liquid in the inner box 103 and setting a hemispherical float 60, and then obtaining the distance value from the top surface of the float 60 through the distance measuring instruments arranged at the bottom of the landing platform 20, and feeding the distance value back to the controller 30 to control the lifting and leveling mechanism 50 to lift different positions of the landing platform 20, so as to achieve automatic leveling without manual participation, and the adjustment is faster and more accurate. Preferably, the number of distance measuring distance measuring instruments 702 is set to be the same as the number of azimuths of each adjustment unit in the lifting and leveling mechanism 50. In this way, a set of distance values corresponds to one adjustment unit, and the adjustment is more accurate. The adjustment unit can be a telescopic cylinder. There is a gap between the landing platform 20 and the side wall of the box body 10.

[0031] Circular landing platform:

[0032] This solution is shown in the drawings. The box body is a cylindrical structure, the landing platform is a circular plate, and the distance measuring distance measuring instruments are evenly distributed in a circular array around the reference distance measuring instrument with the reference distance measuring instrument as the center.

[0033] Preferably, the lifting and leveling mechanism includes a plurality of telescopic cylinders with the same number as the distance measuring distance measuring instruments and evenly distributed in a circular array around the distance measuring distance measuring instruments. The output end of the telescopic cylinder is connected to the bottom of the landing platform.

[0034] Preferably, the vertical projections of the telescopic cylinders are respectively located on the extension lines of the vertical projection of the reference distance measuring instrument and the vertical projections of the respective distance measuring distance measuring instruments.

[0035] Square landing platform:

[0036] As Figures 1 - 6 shown, the box body 10 is a square structure, the landing platform 20 is a rectangular plate, and the distance measuring distance measuring instruments 702 are evenly distributed in a rectangular array around the reference distance measuring instrument 701 with the reference distance measuring instrument 701 as the center.

[0037] Preferably, the box body 10 is a square structure, and the lifting and leveling mechanism 50 includes 4 telescopic cylinders evenly distributed in a rectangular array around the distance measuring distance measuring instruments 702. The output end of the telescopic cylinder is connected to the bottom of the landing platform 20. In addition, Figure 6Among them, A, B, C, and D are four connection points at the bottom of the lifting platform 20 for connecting with the lifting and leveling mechanism 50.

[0038] Lifting and leveling mechanism:

[0039] Preferably, a universal joint is provided at the output end of the lifting and leveling mechanism 50, and it is movably connected to the bottom of the lifting platform 20 through the universal joint. The lifting and leveling mechanism 50 can be a telescopic cylinder or an electric push rod.

[0040] Preferably, the control mechanism includes a power supply 40 and a controller 30 arranged in the box body 10. The power supply 40 is connected to the controller 30 to supply power to the controller 30, and the controller 30 is connected to the lifting and leveling mechanism 50.

[0041] Box body 10 and inner box 103:

[0042] Preferably, the inner box 103 includes an inner bottom box 1031 and an upper cover 1032 covering the top of the inner bottom box 1031. The upper cover 1032 is a transparent cover. The inner bottom box 1031 has a cylindrical cavity and the diameter of the cavity is greater than the maximum diameter of the float 60.

[0043] Preferably, the box body 10 includes a bottom shell 101 and a flip cover 102. The flip cover 102 is hinged to the bottom shell 101 and the flip cover 102 can cover the bottom shell 101 to cover the lifting platform 20 inside. When in use, the flip cover 102 is opened. When the use is completed, the flip cover 102 is covered for storage. In addition, a handle can be provided on the box body 10 for convenient carrying.

[0044] The above has introduced the title provided by the present utility model in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the present utility model and its core idea. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A lifting and landing platform control system, comprising a box body, a lifting and leveling mechanism arranged in the box body, a lifting and leveling platform arranged on the lifting and leveling mechanism, and a control mechanism arranged in the box body, wherein the control mechanism is connected to the lifting and leveling mechanism, and is characterized in that: An inner box with a transparent top wall is provided at the center of the box body, and liquid and a hemispherical float are provided in the inner box. The top surface of the float is a plane, and a plurality of rangefinders connected to the control mechanism are provided on the bottom surface of the landing platform, one of which is a reference rangefinder and is located at the center of the landing platform, and the rest are rangefinders distributed in an array on the periphery for distance measurement, and each rangefinder is used to measure the distance from the top surface of the float to the transmitting end of the rangefinder.

2. The landing platform control system according to claim 1, characterized in that: The box body is a cylindrical structure, the landing platform is a circular plate, and the distance measuring rangefinders are arranged in a circular array around the reference rangefinder with the reference rangefinder as the center.

3. The landing platform control system according to claim 2, characterized in that: The lifting and leveling mechanism comprises a plurality of telescopic cylinders, the number of which is the same as that of the distance measuring rangefinder and which are distributed in a circular array around the periphery of the distance measuring rangefinder, and the output ends of the telescopic cylinders are connected to the bottom of the lifting and lowering platform.

4. The landing platform control system according to claim 3, characterized in that: The vertical projection of the telescopic cylinder is respectively located on the extension line of the vertical projection of the reference distance meter and the vertical projection of each distance measuring distance meter.

5. The landing platform control system according to claim 1, characterized in that: The box body is a square structure, the landing platform is a rectangular plate, and the distance measuring rangefinders are arranged in a rectangular array around the reference rangefinder with the reference rangefinder as the center.

6. The landing platform control system according to claim 1, characterized in that: The box body is a square structure, and the lifting and leveling mechanism includes four telescopic cylinders distributed in a rectangular array on the periphery of the distance measuring rangefinder, and the output end of the telescopic cylinder is connected to the bottom of the landing platform.

7. The landing platform control system according to claim 1, characterized in that: The output end of the lifting and leveling mechanism is provided with a universal joint, and is movably connected to the bottom of the lifting and landing platform through the universal joint.

8. The landing platform control system according to claim 1, characterized in that: The control mechanism comprises a power supply and a controller which are arranged in the box body. The power supply is connected to the controller to supply power to the controller, and the controller is connected to the lifting and leveling mechanism.

9. The landing platform control system according to claim 1, characterized in that: The inner box comprises an inner bottom box and an upper cover which is covered on the top of the inner bottom box. The upper cover is a transparent cover. The inner bottom box has a cylindrical cavity whose diameter is greater than the maximum diameter of the float.

10. The landing platform control system according to claim 1, characterized in that: The box body comprises a bottom shell and a flip cover, the flip cover is hinged to the bottom shell and can be covered on the bottom shell to cover the landing platform inside.

Images