Foldable multi-directional steering carrier

Abstract

The invention relates to the technical field of traction carriers, in particular to a foldable multidirectional steering carrier which comprises a carrier body, a folding steering mechanism and a driving mechanism, the folding steering mechanism is arranged on the right side of the carrier body, and the driving mechanism is arranged in the carrier body. Wherein the air compressor provides high-pressure air for an air brake system of the container truck, the air valve is used for starting and closing the brake system of the container truck, and the motor driver drives and controls a motor to rotate, realizes stepless speed change, performs transmission control on a transmission shaft and a rear axle differential mechanism, and is used for driving rear wheels to move. A folding mechanism shaft disc and a hand-held operating rod are rotatably arranged in the right end of the tractor body in a penetrating mode, the front wheel can be rotated, folding steering treatment is further conducted in cooperation with a rotating shaft in the folding mechanism and a telescopic rod for supporting, and multi-directional steering treatment of the tractor is achieved.

Description

Technical Field

[0001] This invention relates to the field of towing and transporting vehicle technology, specifically a foldable multi-directional steering transporting vehicle. Background Technology

[0002] Port and logistics park container tractor-trailers refer to a series of special vehicles designed specifically for short-distance transportation, stacking, and loading / unloading of container trucks within limited areas such as port container terminals, inland logistics parks, or railway freight yards. These tractor-trailers are key node equipment in the modern logistics chain, and their working efficiency directly determines the throughput capacity of ports and logistics parks. Taking the container truck tractor-trailers used in ports or logistics parks as an example.

[0003] Some container truck towing and handling vehicles used in ports or logistics parks have poor overall steering performance when the front wheels are turned by hand holding the control lever, making it difficult to achieve multi-directional steering of the towing vehicle. Therefore, a foldable multi-directional steering handling vehicle is proposed to address the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a foldable multi-directional steering transport vehicle to solve the problem mentioned above where the overall steering performance of the towing transport vehicle is poor when the front wheels are turned by holding the control lever, making it difficult to achieve multi-directional steering of the towing vehicle.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A foldable multi-directional steering transport vehicle includes a vehicle body, a folding steering mechanism, and a drive mechanism. The folding steering mechanism is located on the right side of the vehicle body, and the drive mechanism is located inside the vehicle body. The vehicle body includes a chassis, rear wheels, and a rear axle differential. A rear wheel is installed on the lower left side of the chassis, and a rear axle differential is installed between adjacent rear wheels. The folding steering mechanism includes a folding mechanism, a front wheel, a switch panel box, a control lever, an emergency stop switch, an air valve, and an air compressor. A folding mechanism axle is rotatably mounted inside the right end of the chassis. The bottom of the folding mechanism axle is fixedly connected to the front wheel. The top of the folding mechanism is fixedly connected to the switch panel box, and a control lever is fixedly connected to the outside of the switch panel box. An emergency stop switch is electrically connected to the top of the switch panel box. An air valve is fixedly connected to the top right side of the chassis, and an air compressor is fixedly connected to the inside of the right side of the chassis.

[0006] Preferably, the drive mechanism includes a motor, a reducer, and a transmission shaft. The motor is fixedly connected inside the vehicle body, the main shaft of the motor is fixedly connected to the input shaft of the reducer, and the output shaft of the reducer is fixedly connected to the transmission shaft.

[0007] Preferably, the left end of the drive shaft is installed at the input end of the rear axle differential, and the two adjacent rear wheels are driven by the rear axle differential for steering.

[0008] Preferably, a hydraulic lift body is fixedly connected to the top left end of the vehicle body, a hydraulic cylinder inside the hydraulic lift body is fixedly connected to a hydraulic pipeline, and a traction disc is fixedly connected to the output end above the hydraulic lift body.

[0009] Preferably, a charger and a lithium battery are fixedly connected inside the vehicle body, and a charging port for supplying power to the lithium battery is provided at one end of the vehicle body.

[0010] Preferably, a motor driver for controlling the rotation of the drive motor is fixedly connected inside the vehicle body, and a water chiller for cooling the motor and the motor driver is also fixedly connected inside the vehicle body.

[0011] Preferably, a main switch for power control, consisting of a lithium battery and a charger, is fixedly connected inside the vehicle body.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, through the vehicle body and folding steering mechanism configured above, the air compressor provides high-pressure gas to the air brake system of the container truck, the air valve is used to start and stop the brake system of the container truck, the motor driver drives and controls the motor to rotate and realize stepless speed change, and performs transmission control on the transmission shaft and the rear axle differential to drive the movement of the rear wheels. The folding mechanism axle is rotatably installed inside the right end of the vehicle body. By holding the control lever, the front wheels can be rotated. In conjunction with the rotating shaft in the folding mechanism and the telescopic rod for support, further folding and steering processing is performed to realize multi-directional steering processing of the tractor. 2. In this invention, the vehicle body and drive mechanism, the traction disc and hydraulic lifting equipment are designed to support the bottom front of the container truck and lift it up. The tractor, composed of the vehicle body, folding steering mechanism and drive mechanism, can then pull the container truck away. The lithium battery provides power to the motor driver, air compressor, water chiller and hydraulic lifting equipment. A charging gun is plugged into the charging port, and the charger charges the lithium battery. The water chiller drives the coolant to circulate and cool the motor and motor driver to maintain the motor's operating condition. The above internal mechanisms are reasonably distributed and easy to use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal component structure of the vehicle body, folding steering mechanism, and drive mechanism of the present invention. Figure 3 For the present invention Figure 2A top-view structural diagram; Figure 4 For the present invention Figure 2 A side view structural diagram.

[0014] In the diagram: 1. Vehicle body; 11. Vehicle body; 12. Rear wheel; 13. Rear axle differential; 2. Folding steering mechanism; 21. Folding mechanism; 22. Front wheel; 23. Switch panel box; 24. Control lever; 25. Emergency stop switch; 26. Air valve; 27. Air compressor; 3. Drive mechanism; 301. Motor; 302. Reducer; 303. Drive shaft; 304. Main body of hydraulic lift; 305. Hydraulic pipeline; 306. Traction disc; 307. Charger; 308. Lithium battery; 309. Charging port; 310. Motor driver; 311. Water chiller; 312. Main switch. Detailed Implementation

[0015] The technical solutions of the embodiments of the invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the invention.

[0016] In the embodiments of the invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0017] Furthermore, in the embodiments of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the invention based on the specific circumstances.

[0018] Please see Figure 1-4 The present invention provides a technical solution: A foldable multi-directional steering transport vehicle includes a vehicle body 1, a folding steering mechanism 2, and a drive mechanism 3. The folding steering mechanism 2 is located on the right side of the vehicle body 1, and the drive mechanism 3 is located inside the vehicle body 1. The vehicle body 1 includes a body 11, rear wheels 12, and a rear axle differential 13. The rear wheels 12 are installed on the lower left side of the body 11, and the rear axle differential 13 is installed between adjacent rear wheels 12. The folding steering mechanism 2 includes a folding mechanism 21, a front wheel 22, a switch panel box 23, a control lever 24, an emergency stop switch 25, an air valve 26, and an air compressor 27. The folding mechanism 21 axle plate is rotatably mounted inside the right end of the body 11. The front wheel 22 is fixedly connected to the bottom of the folding mechanism 21 axle plate. The switch panel box 23 is fixedly connected to the top of the folding mechanism 21. The control lever 24 is fixedly connected to the outside of the switch panel box 23. The emergency stop switch 25 is electrically connected to the top of the switch panel box 23. The air valve 26 is fixedly connected to the top right side of the body 11, and the air compressor 27 is fixedly connected to the inside right side of the body 11.

[0019] The drive mechanism 3 includes a motor 301, a reducer 302, and a drive shaft 303. The motor 301 is fixedly connected inside the vehicle body 11. The main shaft of the motor 301 is fixedly connected to the input shaft of the reducer 302, and the output shaft of the reducer 302 is fixedly connected to the drive shaft 303. Through this arrangement, the motor 301, reducer 302, and drive shaft 303 cooperate to form an output drive assembly. The left end of the drive shaft 303 is installed at the input end of the rear axle differential 13. The two adjacent rear wheels 12 are driven by the rear axle differential 13 for steering. Through this arrangement, the rear axle differential 13 cooperates with the rear wheels 12 to achieve directional movement. A hydraulic lift body 304 is fixedly connected to the top left end of the vehicle body 11. A hydraulic cylinder inside the hydraulic lift body 304 is fixedly connected to a hydraulic pipe 305. A traction disc 306 is fixedly connected to the output end of the hydraulic lift body 304. Through this arrangement, the hydraulic lift body 304... Hydraulic pipes 305 and traction discs 306 form a hydraulic lifting device for the container truck. A charger 307 and a lithium battery 308 are fixedly connected inside the vehicle body 11. A charging port 309 is provided at one end of the vehicle body 11 to supply power to the lithium battery 308. Through the above settings, a charging gun is plugged into the charging port 309 to charge the lithium battery 308. A motor driver 310 for controlling the rotation of the drive motor 301 is fixedly connected inside the vehicle body 11. A water cooler 311 for cooling the motor 301 and the motor driver 310 is fixedly connected inside the vehicle body 11. Through the above settings, the water cooler 311 cools the heating areas of the motor 301 and the motor driver 310. A main switch 312 for power control of the lithium battery 308 and the charger 307 is fixedly connected inside the vehicle body 11. Through the above settings, the main switch 312 controls the power system inside the tractor.

[0020] Workflow: This invention provides a foldable multi-directional steering transport vehicle, which can replace a car to tow containers for transfer and warehousing operations in ports, logistics parks, and other locations. The vehicle has an all-steel frame welded structure, powered by a lithium battery 308 and a motor 301. It has one front wheel 22 and two rear wheels 12. The front wheel 22 steers, and the rear wheels 12 drive. Above the front wheel 22 is a foldable control lever 24, and the top of the control lever 24 has several switches. Holding the control lever 24 allows the vehicle to turn, and pressing the switches allows the vehicle to move forward. The hydraulic lifting system, consisting of the rearward, braking, and traction disc 306, along with the main body 304, hydraulic pipes 305, and traction disc 306, forms a hydraulic lifting device for lifting and limiting the container truck. The traction disc 306 is the lifting and engaging mechanism of the hydraulic lifting device, its function being to support the bottom front of the container truck and lift it up, allowing the tractor unit, composed of the vehicle body 1, folding steering mechanism 2, and drive mechanism 3, to pull the container truck away. The air compressor 27 provides high-pressure gas to the container truck's air brake system, and the air valve 26 is used for starting... The vehicle's braking system is closed, and the motor driver 310 drives and controls the motor 301 to rotate, achieving stepless speed change. It controls the transmission shaft 303 and the rear axle differential 13 to drive the movement of the rear wheels 12. A folding mechanism 21 is rotatably mounted inside the right end of the vehicle body 11. By holding the control lever 24, the front wheels 22 can be rotated. In conjunction with the rotating shaft in the folding mechanism 21 and the telescopic rod for support, further folding and steering are achieved, enabling multi-directional steering of the tractor. The lithium battery 308 provides power to the motor driver 310, air compressor 27, water chiller 311, and hydraulic lifting equipment. A charging gun is plugged into the charging port 309, and the charger 307 charges the lithium battery 308. The water chiller 311 circulates coolant to cool the motor 301 and motor driver 310, maintaining the operating condition of the motor 301. The emergency stop switch 25 is used to shut off the main switch 312 of the tractor in an emergency. The switch panel box 23 is used to display the parameter status of the internal electrical components.

[0021] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A foldable multi-directional steering transport vehicle, comprising a vehicle body (1), a folding steering mechanism (2), and a drive mechanism (3), characterized in that: A folding steering mechanism (2) is provided on the right side of the vehicle body (1), and a drive mechanism (3) is provided inside the vehicle body (1). The vehicle body (1) includes a body (11), rear wheels (12), and a rear axle differential (13). The rear wheels (12) are installed on the lower left side of the body body (11), and a rear axle differential (13) is installed between adjacent rear wheels (12). The folding steering mechanism (2) includes a folding mechanism (21), a front wheel (22), a switch panel box (23), a control lever (24), an emergency stop switch (25), an air valve (26), and an air compressor ( 27), a folding mechanism (21) axle is rotatably mounted inside the right end of the vehicle body (11). A front wheel (22) is fixedly connected to the bottom of the folding mechanism (21) axle. A switch panel box (23) is fixedly connected to the top rod of the folding mechanism (21). A control lever (24) is fixedly connected to the outside of the switch panel box (23). An emergency stop switch (25) is electrically connected to the top of the switch panel box (23). An air valve (26) is fixedly connected to the top right side of the vehicle body (11). An air compressor (27) is fixedly connected to the inside right side of the vehicle body (11).

2. The foldable multi-directional steering transport vehicle according to claim 1, characterized in that: The drive mechanism (3) includes a motor (301), a reducer (302) and a transmission shaft (303). The motor (301) is fixedly connected inside the vehicle body (11). The main shaft of the motor (301) is fixedly connected to the input shaft of the reducer (302), and the output shaft of the reducer (302) is fixedly connected to the transmission shaft (303).

3. The foldable multi-directional steering transport vehicle according to claim 2, characterized in that: The left end of the drive shaft (303) is installed at the input end of the rear axle differential (13), and the two adjacent rear wheels (12) are driven by the rear axle differential (13) for steering.

4. The foldable multi-directional steering transport vehicle according to claim 1, characterized in that: The top left end of the vehicle body (11) is fixedly connected to a hydraulic lift body (304), the hydraulic cylinder inside the hydraulic lift body (304) is fixedly connected to a hydraulic pipeline (305), and the output end above the hydraulic lift body (304) is fixedly connected to a traction disc (306).

5. The foldable multi-directional steering transport vehicle according to claim 1, characterized in that: A charger (307) and a lithium battery (308) are fixedly connected inside the vehicle body (11), and a charging port (309) for supplying power to the lithium battery (308) is provided at one end of the vehicle body (11).

6. The foldable multi-directional steering transport vehicle according to claim 2, characterized in that: The vehicle body (11) is fixedly connected to a motor driver (310) for controlling the rotation of a drive motor (301), and the vehicle body (11) is fixedly connected to a water chiller (311) for cooling the motor (301) and the motor driver (310).

7. The foldable multi-directional steering transport vehicle according to claim 5, characterized in that: The main switch (312) for power control is fixedly connected inside the vehicle body (11) to a lithium battery (308) and a charger (307).

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