Self-balancing cargo transport device

Abstract

The present invention relates to the field of transportation equipment. The self-balancing cargo transportation device provided by the present invention includes a platform equipped with a pull rod for placing transported cargo; at least one balance detection module is installed on the platform, and at least two support legs for supporting the platform are installed below the platform, and wheels are installed at the bottom of the support legs. The support legs include a shell, and a signal transmission module and a signal processing module capable of sending and receiving signals are installed on the shell. The shell is composed of a first box body and a second box body, and a telescopic pneumatic rod is installed between the first box body and the second box body. The telescopic pneumatic rod can be extended and retracted to achieve the distance and proximity between the first box body and the second box body; the platform is composed of a box body and a storage top cover, and a main control panel, an air pressure pump corresponding to the number of support legs, and a power supply module are installed in the box body; a plurality of air pressure pumps are connected to the telescopic pneumatic rod through air pipes, respectively. The present invention has a wide range of applicable occasions.

Description

Technical Field

[0001] The present invention relates to the field of transportation equipment, and in particular to a self-balancing cargo transportation device. Background Art

[0002] When going out, people usually put the items they need to carry into suitcases. When there are many items to carry, people often need to carry multiple suitcases or relatively large suitcases, which is very inconvenient to carry. Therefore, railway stations, subways, high-speed railway stations, airports and other places will provide people with luggage carts to facilitate people to transport luggage. In order to transport a large number of people continuously, these places will use escalators in large quantities, because escalators have strong transport capacity, small space occupation, and are convenient for getting on and off. Existing trolleys cannot be used on escalators. Therefore, when going up and down the stairs, passengers can only abandon the trolleys and take the escalator or use the trolleys to push the luggage to queue up for the escalator (there are generally fewer escalators).

[0003] Waiting for the elevator takes a long time and is not very convenient, but carrying multiple suitcases directly on the escalator will pose a great safety hazard: when carrying multiple suitcases on the escalator, due to the limited width of the escalator steps and the height difference between adjacent steps during operation, people can only place the suitcases upright on the steps one by one, but in this way the suitcases can easily roll off the steps and cause safety accidents. In recent years, related news has emerged in an endless stream, all of which are passengers carrying multiple suitcases putting their suitcases on the escalator one by one. The suitcases rolled down the escalator because they were not held by anyone and hit other passengers on the escalator.

[0004] Therefore, although trolleys are promoted in railway stations, subways, high-speed rail stations, airports and the like to facilitate passengers, existing trolleys cannot be used in places with height differences such as escalators, and are therefore less suitable for such places. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a self-balancing cargo transport device with a wider range of applications.

[0006] The technical solution of the present invention is as follows: a self-balancing cargo transport device provided by the present invention comprises a platform equipped with a pull rod for placing the transported cargo;

[0007] At least one balance detection module is installed on the platform, and the balance detection module includes a level ruler and an image recognition module. The level ruler has a level bubble, and the image recognition module is installed in a position where it can monitor the state of the level bubble. The level ruler and the image recognition module are parallel to the bottom surface of the platform.

[0008] At least two support legs for supporting the platform are installed under the platform, and the support legs are symmetrically arranged at the front and rear of the platform respectively. Wheels are installed at the bottom of the support legs, and the support legs include a shell. A signal transmission module and a signal processing module capable of sending and receiving signals are installed on the shell. The signal transmission module is electrically connected to the signal processing module.

[0009] The housing is composed of a first box body and a second box body, each of which is a rectangular parallelepiped structure with an opening on one side. The openings of the first box body and the second box body are opposite to each other. A telescopic gas pressure rod is installed between the first box body and the second box body. The telescopic gas pressure rod can be extended and retracted to achieve the distance between the first box body and the second box body.

[0010] The platform is composed of a box body and a storage top cover, wherein the box body is equipped with a main control panel, air pressure pumps corresponding to the number of support legs, and a power supply module for the image recognition module, the signal transmission module, the signal processing module, the main control panel, and the air pressure pumps;

[0011] The main control board is electrically connected to the image recognition module, the signal processing module, the plurality of air pressure pumps, and the power supply module respectively;

[0012] The plurality of air pressure pumps are connected to the telescopic air pressure rods through air pipes respectively.

[0013] Furthermore, the pull rod is rotatably connected to the platform via a first connecting member.

[0014] Furthermore, the above-mentioned supporting legs are rotatably connected to the platform through second connecting members.

[0015] Furthermore, a switch is provided on the platform, and the switch is electrically connected to the power supply module.

[0016] Furthermore, the platform is provided with a plurality of fixing plates for fixing the positions of the main control board, the air pressure pump and the power supply module.

[0017] Furthermore, the power supply module is a rechargeable battery, and a charging module capable of charging the power supply module is provided in the platform.

[0018] Furthermore, the platform is equipped with several safety belts for securing items placed on the platform.

[0019] The beneficial effects of the present invention are as follows: the self-balancing cargo transport device provided by the present invention can be used in places with height differences such as escalators, and is applicable to a wide range of occasions.

[0020] After the user stacks items such as multiple suitcases horizontally on the platform that can hold items, the user pulls the pull rod and the support legs equipped with wheels for supporting the platform begin to move. The platform is suitable for all relatively flat occasions. When it is time to take the escalator, the device will be able to adjust its balance by itself. For example, when taking the escalator in the upward direction, when the supporting leg at the front of the platform (hereinafter referred to as the front supporting leg) reaches the pedal, the pedal will rise, and a height difference will be generated between the pedal and the supporting leg at the rear of the platform (hereinafter referred to as the rear supporting leg). After the height difference is generated, the platform will tilt backward, and the bubbles in the level bubble of the spirit level will move forward accordingly. After the image recognition module recognizes it, it will send information to the main control board. The main control board will control the signal transmission module on the rear supporting leg to send a signal, and the signal transmission module on the front supporting leg will receive the signal. As the pedal continues to rise, the signal received by the signal transmission module on the front supporting leg will gradually become less, and the signal processing module on the front supporting leg will transmit information to the main control board. After receiving the information, the main control board will drive the power supply module to power the air pressure pump corresponding to the rear supporting leg. Under the control of the main control board, the air pressure pump will start to pump air into the telescopic pneumatic rod through the air pipe, and the telescopic pneumatic rod When the level bubble on the spirit level is between the two lines, the image recognition module will transmit this information to the main control board, and the main control board will drive the power supply module to stop supplying power to the air pressure pump corresponding to the rear support leg. At this time, the device will return to a balanced state and can stay stably on the steps of the escalator. When approaching the end of the escalator, the height difference between the steps will become smaller, and the device will gradually begin to be in an unbalanced state again. At this time, the signal sent by the signal transmission module on the rear support leg is gradually not blocked by the steps, and the signal received by the signal transmission module on the front support leg increases. The signal processing module on the front support leg will send this information to the main control board, and the main control board will drive the power supply module to supply power to the air pressure pump corresponding to the rear support leg. The telescopic gas rod will gradually shorten downward. After the image recognition module recognizes that the level bubble is in a balanced state, it will transmit information to the main control board, and the main control board will drive the power supply module to stop supplying power to the air pressure pump corresponding to the rear support leg.

[0021] Therefore, the device has the function of automatically returning itself to a balanced state and can be used in places with height differences such as escalators, with a wider range of applications. When the suitcases are stacked horizontally on the platform, the friction between the suitcases is greater than the friction between the suitcase rollers and the pedals. The user can pull the lever to pull multiple suitcases onto the escalator at one time. Compared with the situation of placing the suitcases on the pedals one by one, the probability of the suitcases slipping is reduced. The device is convenient, fast and safe.

[0022] Furthermore, after the pull rod and the support legs are rotatably connected to the platform, when the device is not in use, the pull rod and the support legs can be folded to save storage space.

[0023] Furthermore, the fixing plate can reduce the probability of the modules installed in the platform moving significantly after being subjected to force.

[0024] Furthermore, the safety belt can fix the items on the platform more stably, reducing the probability of the items falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall structure of the present invention when the pull rod and the support legs are in a folded state;

[0027] Figure 3 It is a schematic diagram of the internal structure of the platform;

[0028] Figure 4 This is an exploded view of the supporting leg;

[0029] Figure 5 This is a schematic diagram of the installation structure of the level ruler and image recognition module;

[0030] The names corresponding to the figure marks in the above drawings are: 11-platform, 12-switch, 13-pull rod, 14-level ruler, 15-first connecting piece, 16-image recognition module, 17-power supply module, 18-main control board, 19-charging module, 21-support leg, 21-1-first box body, 21-2-second box body, 22-wheel, 23-signal processing module, 24-signal transmission module, 25-second connecting piece, 26-air pressure pump, 27-air pipe, 28-telescopic air pressure rod, 29-fixing plate. DETAILED DESCRIPTION

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] like Figure 1 、 Figure 2As shown, the present invention provides a self-balancing cargo transport device including a platform 11 for placing transported cargo, equipped with a pull rod 13. The pull rod 13 is rotatably connected to the platform 11 via a first connecting member 15. The pull rod 13 can rotate 180° around the first connecting member 15. The platform 11 is equipped with a plurality of safety belts for securing items placed on the platform 11. At least two support legs 21 for supporting the platform 11 are installed below the platform 11. The support legs 21 are symmetrically arranged at the front and rear of the platform 11, and can be divided into a front support leg 21 and a rear support leg 21. The support legs 21 are rotatably connected to the platform 11 via a second connecting member 25. The support legs 21 can rotate 90° around the second connecting member 25. When not in use, the pull rod 13 and the support legs 21 can be folded up to save storage space. Wheels 22 are installed at the bottom of each support leg 21.

[0033] like Figure 3 、 Figure 5 As shown, at least one balance detection module is installed on platform 11. This module can detect whether platform 11 is in a balanced state. The balance detection module includes a level 14 and an image recognition module 16. Level 14 has a level bubble. Image recognition module 16 is installed in a position to monitor the level bubble and can identify and monitor the level bubble's state. Both level 14 and image recognition module 16 are parallel to the bottom surface of platform 11. Because level 14 is parallel to the bottom surface of platform 11, the level of platform 11 can be determined by the level of the level. When the bubble in the level bubble on the level is between two lines, the level is in a horizontal state, and the level can be used to determine whether the platform is in a horizontal position.

[0034] like Figure 1 、 Figure 4 As shown, the support leg 21 includes a housing, on which are mounted a signal transmission module 24 and a signal processing module 23 capable of sending and receiving signals. The signal transmission module 24 is electrically connected to the signal processing module 23. The housing is composed of a first box body 21-1 and a second box body 21-2. Both the first box body 21-1 and the second box body 21-2 are rectangular parallelepiped structures with one side open. The openings of the first box body 21-1 and the second box body 21-2 face each other. A telescopic gas pressure rod 28 is installed between the first box body 21-1 and the second box body 21-2. The telescopic gas pressure rod 28 can be extended and retracted to achieve the separation and proximity of the first box body 21-1 and the second box body 21-2.

[0035] like Figure 1 、 Figure 3As shown, the platform 11 consists of a box and a storage cover. The box houses a main control board 18, pneumatic pumps 26 corresponding to the number of support legs 21, a power supply module 17 that supplies power to the image recognition module 16, the signal transmission module 24, the signal processing module 23, the main control board 18, and the pneumatic pumps 26, and a charging module 19 that charges the power supply module 17. The power supply module 17 is a rechargeable battery. A switch 12 is provided on the platform 11. The switch 12 is electrically connected to the power supply module 17 and can be turned on and off by turning the switch 12 on and off. Also provided within the platform 11 are several fixing plates 29 for securing the main control board 18, the pneumatic pumps 26, and the power supply module 17. The main control board 18 is electrically connected to the image recognition module 16, the signal processing module 23, the pneumatic pumps 26, and the power supply module 17. The pneumatic pumps 26 are each connected to a telescopic pneumatic rod 28 via an air pipe 27.

[0036] The working process of the present invention is as follows: when in use, the pull rod 13 and the support leg 21 are rotated to the appropriate position, and then items such as multiple suitcases are stacked on the platform 11, and the multiple suitcases are fixed with safety belts, and the device can be pulled for travel. If you arrive at an uneven place such as in front of an escalator, you can press the switch 12 to start the device, and the signal transmission module 24 on the support leg 21 starts to send and receive signals. When the escalator goes down, when the front support leg 21 of the device reaches the step of the escalator, the step will gradually lower, and a height difference will be generated with the rear step. After the height difference is generated, the platform 11 will tilt forward, and the bubble in the level bubble of the level ruler 14 will move backward accordingly. After the image recognition module 16 recognizes it, it will send information to the main control board 18. The main control board 18 will control the signal transmission module 24 on the front support leg 21 to send a signal, and the signal transmission module 24 on the rear support leg 21 to receive the signal. As the step continues to descend, the signal received by the signal transmission module 24 on the rear support leg 21 will be blocked by the step. The height difference can be calculated more accurately by the difference between the amount of signals sent and received. The signal processing module 23 on the rear support leg 21 transmits information to the main control board 18. After receiving the information, the main control board 18 drives the power supply module 17 to power the air pump 26 corresponding to the front support leg 21. The air pump 26 starts to work and pumps air into the telescopic air pressure rod 28 through the air pipe 27. The telescopic air pressure rod 28 extends upward, and the first box body 21-1 and the second box body 21-2 gradually move away from each other. This process During the process, the image recognition module 16 will identify and monitor the position of the level bubble on the spirit level 14. When the image recognition module 16 detects that the bubble in the level bubble is between two lines, it will send information to the main control board 18. After receiving the information, the main control board 18 will control the power supply module 17 to stop supplying power to the air pump 26. The telescopic air pressure rod 28 will maintain the height. At this time, the device has reached a balanced state and can remain stable even in places with height differences such as escalators. The user only needs to hold the pull rod.

[0037] When the escalator reaches a position close to the end of the escalator, the height difference between the steps will gradually disappear, the obstruction of the steps to the front support leg 21 will gradually decrease, and the signal transmission module 24 of the rear support leg 21 will gradually increase. After detecting this situation, the signal processing module 23 will transmit the signal to the main control board 18. After receiving the information, the main control board 18 will drive the power supply module 17 to power the air pump 26 corresponding to the front support leg 21. The air pump 26 starts working and draws air from the telescopic air pressure rod 28 through the air pipe 27. The telescopic air pressure rod 28 shortens downward, and the first box body 21-1 and the second box body 21-2 gradually approach each other. During this process, the image recognition module 16 will identify and monitor the position of the level bubble on the level ruler 14. When the image recognition module 16 detects that the bubble in the level bubble is between the two lines, it will send information to the main control board 18. After receiving the information, the main control board 18 will control the power supply module 17 to stop supplying power to the air pressure pump 26.

[0038] When riding an ascending escalator, the main control panel 18 controls the extension and retraction of the telescopic pneumatic rod 28 in the rear support leg 21. The overall working principle is the same as described above. After use, the pull rod 13 and support leg 21 can be folded, and the power supply module 17 can be charged through the charging module 19.

Claims

1. A self-balancing cargo transport device, characterized in that: It comprises a platform (11) equipped with a pull rod (13) for placing the transported goods; At least one balance detection module is installed on the platform (11), and the balance detection module includes a level ruler (14) and an image recognition module (16). The level ruler (14) has a level bubble, and the image recognition module (16) is installed at a position capable of monitoring the state of the level bubble. Both the level ruler (14) and the image recognition module (16) are parallel to the bottom surface of the platform (11); At least two support legs (21) for supporting the platform (11) are installed below the platform (11), the support legs (21) are symmetrically arranged in front of and behind the platform (11), and wheels (22) are installed at the bottom of each support leg (21). The support leg (21) includes a shell, and a signal transmission module (24) and a signal processing module (23) capable of sending and receiving signals are installed on the shell, and the signal transmission module (24) is electrically connected to the signal processing module (23); The housing is composed of a first box body (21-1) and a second box body (21-2). The first box body (21-1) and the second box body (21-2) are both rectangular parallelepiped structures with one side open. The openings of the first box body (21-1) and the second box body (21-2) are opposite to each other. A telescopic gas pressure rod (28) is installed between the first box body (21-1) and the second box body (21-2). The telescopic gas pressure rod (28) can be extended and retracted to achieve the distance between the first box body (21-1) and the approach between the second box body (21-2). The platform (11) is composed of a box body and a storage top cover, wherein a main control panel (18), air pressure pumps (26) corresponding to the number of support legs (21), and a power supply module (17) for supplying power to an image recognition module (16), a signal transmission module (24), a signal processing module (23), the main control panel (18), and the air pressure pumps (26) are installed in the box body; The main control board (18) is electrically connected to the image recognition module (16), the signal processing module (23), a plurality of air pressure pumps (26), and the power supply module (17); The plurality of air pressure pumps (26) are connected to the telescopic air pressure rod (28) through air pipes (27) respectively.

2. A self-balancing cargo transport device according to claim 1, characterized in that: The pull rod (13) is rotatably connected to the platform (11) via a first connecting member (15).

3. The self-balancing cargo transport device according to claim 1, characterized in that: The supporting legs (21) are rotatably connected to the platform (11) via second connecting members (25).

4. A self-balancing cargo transport device according to any one of claims 1 to 3, characterized in that: A switch (12) is provided on the platform (11), and the switch (12) is electrically connected to the power supply module (17).

5. A self-balancing cargo transport device according to any one of claims 1 to 3, characterized in that: A plurality of fixing plates (29) for fixing the positions of the main control board (18), the air pressure pump (26) and the power supply module (17) are arranged in the platform (11).

6. A self-balancing cargo transport device according to any one of claims 1 to 3, characterized in that: The power supply module (17) is a rechargeable battery, and a charging module (19) capable of charging the power supply module (17) is provided in the platform (11).

7. A self-balancing cargo transport device according to any one of claims 1 to 3, characterized in that: The platform (11) is provided with a plurality of safety belts for fixing items placed on the platform (11).

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