Loading and unloading device for cargo transportation and loading and unloading method thereof

Abstract

The invention discloses a loading and unloading device for cargo transportation and a loading and unloading method thereof, and relates to the technical field of cargo loading and unloading, the loading and unloading device comprises a bottom plate, a pair of symmetrically-distributed L-shaped vertical plates are fixedly arranged at the two corners of the left side of the top surface of the bottom plate, and the middle upper portion of the inner side edge of each L-shaped vertical plate is sleeved with a rectangular sliding barrel in sliding connection; an overturning shaft is arranged between the pair of rectangular sliding barrels, and an L-shaped carrying plate is fixedly arranged at the middle section part of the overturning shaft; a vertically-placed linkage chain belt is arranged in each L-shaped vertical plate, a rectangular ring is fixedly arranged on the upper middle portion of the inner side face of each linkage chain belt, each rectangular ring is fixedly connected with the corresponding rectangular sliding barrel, a servo motor is installed on the left side of the top face of the bottom plate, and the servo motor is connected with the pair of linkage chain belts through a driving mechanism. The height of the goods is increased firstly, then the goods are turned over and inclined and then slide into the transport carriage, the loading and unloading workload of workers is reduced, and loading and unloading operation of the goods can be rapidly and efficiently carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of cargo loading and unloading, and in particular to a cargo transportation loading and unloading device and a loading and unloading method thereof. Background Art

[0002] The loading and unloading device refers to the equipment used to move, lift, load and unload materials and transport them over short distances, and is an important part of logistics machinery and equipment. As disclosed in a Chinese utility model patent for a loading and unloading device for cargo transportation (publication number: CN215325439U), a connecting plate is fixedly connected between two moving blocks, a moving groove is provided on the front of the connecting plate, loading and unloading arms are clamped on both sides of the moving groove, fixed plates extend on both sides of the loading and unloading arms, and the fixed plates are located at the rear edges of both sides of the loading and unloading arms, a belt is connected to the middle of the upper surface of the connecting plate, a stepper motor is connected to the upper part of the belt, and the belt is wound around the outer periphery of the stepper motor, and the rotors on both sides of the stepper motor are coaxially connected to rotating rods.

[0003] Traditional cargo transportation mostly relies on manual handling and movement of goods, and the transport boxes are often higher than the height of the workers, making it inconvenient to load the goods and making loading and unloading more troublesome. If loading and unloading equipment is used to transport the goods, it cannot transport goods of different sizes and cannot meet the requirements of loading and unloading work. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a loading and unloading device and a loading and unloading method for cargo transportation.

[0005] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions: A loading and unloading device for cargo transportation, comprising a bottom plate, a pair of symmetrically distributed L-shaped vertical plates are fixedly arranged at the two left corners of the top surface of the bottom plate, a rectangular notch is opened on the corner side of each L-shaped vertical plate, a rectangular slide cylinder connected to slide up and down is sleeved on the middle and upper part of the inner side of each L-shaped vertical plate, a turning shaft is arranged between the pair of rectangular slide cylinders, and an L-shaped loading plate is fixedly arranged on the middle section of the turning shaft; A vertically placed linkage chain is provided in each of the L-shaped vertical plates, a rectangular ring is fixedly provided on the middle and upper part of the inner side surface of each linkage chain, each of the rectangular rings is fixedly connected to the corresponding rectangular slide cylinder, and a servo motor is installed on the left side of the top surface of the bottom plate, and the servo motor is connected to a pair of linkage chains through a driving mechanism.

[0006] Preferably, a counterweight plate is fixedly provided on the right side of the top surface of the base plate, the counterweight plate contains a battery, the battery is electrically connected to the servo motor, and rolling wheels are provided at the four corners of the bottom surface of the base plate.

[0007] Preferably, a limit clamping seat is fixedly provided on the inner side surface of each rectangular slide cylinder, and the front and rear end portions of the flip shaft are rotatably inserted into a pair of limit clamping seats respectively.

[0008] Preferably, a vertically distributed U-shaped channel steel is fixed in each of the rectangular notches, and a rack is fixed in the middle and upper part of the inner side of each of the U-shaped channel steels.

[0009] Preferably, a pair of concentrically fixed notched gears are sleeved on the front and rear sides of the flip shaft, each of the notched gears is meshedly connected to the corresponding rack, and each notched gear is slidably connected to the U-shaped channel steel.

[0010] Preferably, a linkage shaft is rotatably inserted on the upper and lower sides of each L-shaped vertical plate, the outer end of the upper linkage shaft is sleeved with a concentrically fixed driven sprocket, and the outer end of the lower linkage shaft is sleeved with a pair of concentrically fixed linkage sprockets, and the upper and lower sides of each linkage chain belt are respectively meshed and sleeved on the corresponding driven sprocket and linkage sprocket.

[0011] Preferably, two pairs of fixed ear seats are fixedly provided on the left side of the top surface of the bottom plate, a fixed shaft is rotatably inserted between each pair of the fixed ear seats, and the motor shaft end of the servo motor is fixedly connected to one of the fixed shafts.

[0012] Preferably, a concentrically fixed linkage gear is sleeved on the left side of each of the fixed shafts, and a pair of linkage gears are meshed and connected.

[0013] Preferably, the driving mechanism comprises a pair of driving chains, a concentrically fixed driving sprocket is sleeved on the middle part of each of the fixed shafts, and each of the driving sprockets is synchronously connected to the corresponding linkage sprocket through the driving chain.

[0014] The present invention also proposes a loading and unloading method of a loading and unloading device for cargo transportation, comprising the following steps: Step 1: In the initial state, the L-shaped loading plate is between the bottoms of a pair of L-shaped vertical plates. The worker places the goods on the L-shaped loading plate, pushes the roller, moves the bottom plate to the rear side of the transport box, and starts the servo motor; Step 2: The motor shaft of the servo motor drives one of the fixed shafts and the linkage gear to rotate synchronously, and the meshing action of the linkage gear drives the other fixed shaft to rotate in the opposite direction, so that the pair of fixed shafts rotate one forward and one reverse; Step 3: The driving sprocket on the fixed shaft drives the linkage shaft and a pair of linkage sprockets located below to rotate synchronously through the driving chain belt, and the linkage sprocket drives the linkage shaft located above to rotate synchronously through the linkage chain belt, and the rectangular ring on the linkage chain belt synchronously drives the rectangular slide cylinder to slide upward along the L-shaped vertical plate; Step 4: When the rectangular slide moves upward, the limit clamp drives the flip shaft, the L-shaped loading plate and the goods to rise synchronously, and drives the notched gear to slide upward along the U-shaped channel steel, so that the L-shaped loading plate and the goods are higher than the bottom wall of the transport box; Step 5: When the notched gear meets the rack upward, the notched gear rotates along the meshing of the rack, and drives the flip shaft, L-shaped loading plate and goods to flip toward the rear side of the transport box, and drives the goods to slide into the transport box, and then the workers stack the goods.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the L-shaped loading board and the goods are driven to rise upward and higher than the bottom wall of the transport box, and then the L-shaped loading board and the goods are driven to flip toward the rear side of the transport box, and the goods are driven to slide into the transport box; by first lifting the goods and then flipping the goods into the transport box, the work efficiency of loading and unloading goods can be improved; 2. In the present invention, the appropriate loading and unloading method is selected according to the actual situation, which can improve the loading and unloading efficiency, have good mobility and flexibility for the loading and unloading of small and medium-sized heavy goods, reduce the workload of the staff, and can quickly and efficiently carry out the loading and unloading operations of goods; In summary, the present invention reduces the workload of workers in loading and unloading by first raising the height of the goods, then flipping and tilting the goods, and then sliding them into the transport vehicle box, and can quickly and efficiently perform loading and unloading operations of the goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is an exploded schematic diagram of the overall structure of the present invention; Figure 4 It is a schematic diagram of the driving mechanism structure of the present invention; Serial numbers in the figure: 1, bottom plate; 11, counterweight plate; 12, L-shaped vertical plate; 13, rectangular slide; 14, tilting shaft; 15, L-shaped loading plate; 16, notched gear; 17, U-shaped channel steel; 18, rack; 2, linkage shaft; 21, linkage chain; 22, driving chain; 23, fixed ear seat; 24, linkage gear; 25, servo motor; 26, fixed shaft. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Embodiment 1: This embodiment provides a loading and unloading device for cargo transportation, see Figure 1-4 Specifically, it includes a bottom plate 1, a pair of symmetrically distributed L-shaped vertical plates 12 are fixedly provided at the two left corners of the top surface of the bottom plate 1, a rectangular notch is opened on the corner side of each L-shaped vertical plate 12, a rectangular slide 13 is sleeved on the middle and upper part of the inner side of each L-shaped vertical plate 12 for sliding connection up and down, and a flip shaft 14 is provided between the pair of rectangular slides 13, and an L-shaped loading plate 15 is fixedly provided on the middle section of the flip shaft 14; A vertically placed linkage chain 21 is provided in each L-shaped vertical plate 12, and a rectangular ring is fixedly provided on the middle and upper part of the inner side surface of each linkage chain 21, and each rectangular ring is fixedly connected to the corresponding rectangular slide 13, and a servo motor 25 is installed on the left side of the top surface of the base plate 1, and the servo motor 25 is connected to a pair of linkage chains 21 through a driving mechanism; a counterweight plate 11 is fixedly provided on the right side of the top surface of the base plate 1, and a battery is contained in the counterweight plate 11, and the battery is electrically connected to the servo motor 25, and rollers with rolling connections are provided at the four corners of the bottom surface of the base plate 1.

[0019] In the specific implementation process, Figure 1 and Figure 3 As shown, each rectangular slide 13 is fixedly provided with a limit seat on its inner side, and the front and rear ends of the flip shaft 14 are respectively rotatably inserted into a pair of limit seats; A vertically distributed U-shaped channel steel 17 is fixed in each rectangular notch, and a rack 18 is fixed in the middle and upper part of the inner side of each U-shaped channel steel 17; the rectangular slide 13 drives the flip shaft 14, the L-shaped loading plate 15 and the goods to rise synchronously, and drives the notch gear 16 to slide upward along the U-shaped channel steel 17; A pair of concentrically fixed notched gears 16 are sleeved on the front and rear sides of the flip shaft 14, each notched gear 16 is meshed and connected with the corresponding rack 18, and each notched gear 16 is slidably connected with the U-shaped channel steel 17; when the notched gear 16 encounters the rack 18 upward, the notched gear 16 meshes and rotates along the rack 18, and drives the flip shaft 14, the L-shaped loading plate 15 and the cargo to flip toward the rear side of the transport box.

[0020] It should be noted that: in the present embodiment, a linkage shaft 2 is rotatably inserted on the upper and lower sides of each L-shaped vertical plate 12, the outer end of the linkage shaft 2 located at the upper side is sleeved with a concentrically fixed driven sprocket, and the outer end of the linkage shaft 2 located at the lower side is sleeved with a pair of concentrically fixed linkage sprockets, and the upper and lower sides of each linkage chain 21 are respectively meshed and sleeved on the corresponding driven sprocket and linkage sprocket; the linkage sprocket then drives the linkage shaft 2 located at the upper side to rotate synchronously through the linkage chain 21, and the rectangular ring on the linkage chain 21 synchronously drives the rectangular slide 13 to slide upward along the L-shaped vertical plate 12.

[0021] Embodiment 2: Based on Embodiment 1, this embodiment further includes: In the specific implementation process, Figure 3 and Figure 4 As shown, two pairs of fixed ear seats 23 are fixedly arranged on the left side of the top surface of the bottom plate 1, and a fixed shaft 26 is rotatably inserted between each pair of fixed ear seats 23, and the motor shaft end of the servo motor 25 is fixedly connected to one of the fixed shafts 26; The left side of each fixed shaft 26 is sleeved with a concentrically fixed linkage gear 24, and the pair of linkage gears 24 are meshed and connected; the motor shaft of the servo motor 25 drives one fixed shaft 26 to rotate synchronously, and the meshing action of the linkage gear 24 drives the other fixed shaft 26 to rotate in the opposite direction, so that the pair of fixed shafts 26 rotate one forward and one reverse; The driving mechanism includes a pair of driving chain belts 22, and a concentrically fixed driving sprocket is sleeved on the middle part of each fixed shaft 26. Each driving sprocket is synchronously connected with the corresponding linkage sprocket through the driving chain belt 22; the driving sprocket on the fixed shaft 26 drives the linkage shaft 2 and a pair of linkage sprockets located below to rotate synchronously through the driving chain belt 22.

[0022] Specifically, the working principle and operation method of the present invention are as follows: Step 1: In the initial state, the L-shaped loading plate 15 is between the bottoms of a pair of L-shaped vertical plates 12. The worker places the goods on the L-shaped loading plate 15, pushes the roller, moves the bottom plate 1 to the rear side of the transport box, and starts the servo motor 25. Step 2: The motor shaft of the servo motor 25 drives one of the fixed shafts 26 and the linkage gear 24 to rotate synchronously, and the meshing action of the linkage gear 24 drives the other fixed shaft 26 to rotate in the opposite direction, so that the pair of fixed shafts 26 rotate one forward and one reverse; Step 3: The driving sprocket on the fixed shaft 26 drives the linkage shaft 2 and a pair of linkage sprockets located below to rotate synchronously through the driving chain belt 22. The linkage sprocket drives the linkage shaft 2 located above to rotate synchronously through the linkage chain belt 21. The rectangular ring on the linkage chain belt 21 synchronously drives the rectangular slide 13 to slide upward along the L-shaped vertical plate 12. Step 4: When the rectangular slide 13 is upward, the limit clamping seat drives the flip shaft 14, the L-shaped loading plate 15 and the goods to rise synchronously, and drives the notched gear 16 to slide upward along the U-shaped channel steel 17, so that the L-shaped loading plate 15 and the goods are higher than the bottom wall of the transport box; Step five, when the notched gear 16 meets the rack 18 upward, the notched gear 16 rotates along the meshing of the rack 18, and drives the flip shaft 14, the L-shaped loading plate 15 and the goods to flip toward the rear side of the transport box, and drives the goods to slide into the transport box, and then the workers stack the goods.

[0023] The present invention reduces the workload of workers in loading and unloading by first lifting the height of the goods, then flipping and tilting the goods, and then sliding the goods into the transport vehicle box, and can quickly and efficiently carry out the loading and unloading operations of the goods.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cargo transport loading and unloading device, comprising a bottom plate (1), characterized in that: A pair of symmetrically distributed L-shaped vertical plates (12) are fixedly provided at the two left corners of the top surface of the bottom plate (1), and a rectangular notch is provided on the corner side of each L-shaped vertical plate (12). A rectangular slide cylinder (13) is sleeved on the middle and upper part of the inner side of each L-shaped vertical plate (12) and is slidably connected up and down, and a turning shaft (14) is provided between the pair of rectangular slide cylinders (13), and an L-shaped loading plate (15) is fixedly provided on the middle section of the turning shaft (14); Each of the L-shaped vertical plates (12) is provided with a vertically placed linkage chain (21), a rectangular ring is fixedly provided at the middle and upper part of the inner side surface of each linkage chain (21), each of the rectangular rings is fixedly connected to a corresponding rectangular slide cylinder (13), and a servo motor (25) is installed on the left side of the top surface of the bottom plate (1), and the servo motor (25) is connected to a pair of linkage chains (21) through a driving mechanism.

2. A cargo transportation loading and unloading device according to claim 1, characterized in that: A counterweight plate (11) is fixedly provided on the right side of the top surface of the bottom plate (1), wherein the counterweight plate (11) contains a battery, and the battery is electrically connected to the servo motor (25). Rollers for rolling connection are provided at the four corners of the bottom surface of the bottom plate (1).

3. A cargo transportation loading and unloading device according to claim 2, characterized in that: A limit clamping seat is fixedly provided on the inner side surface of each rectangular slide cylinder (13), and the front and rear end portions of the flip shaft (14) are respectively rotatably inserted into a pair of limit clamping seats.

4. A cargo transportation loading and unloading device according to claim 3, characterized in that: A vertically distributed U-shaped channel steel (17) is fixedly disposed in each of the rectangular notches, and a rack (18) is fixedly disposed in the middle and upper portion of the inner side edge of each of the U-shaped channel steels (17).

5. A cargo transportation loading and unloading device according to claim 4, characterized in that: A pair of concentrically fixed notched gears (16) are sleeved on the front and rear sides of the flip shaft (14), each notched gear (16) is meshingly connected to a corresponding rack (18), and each notched gear (16) is slidably connected to a U-shaped channel steel (17).

6. A cargo transportation loading and unloading device according to claim 5, characterized in that: A linkage shaft (2) is rotatably inserted on the upper and lower sides of each L-shaped vertical plate (12); the outer end of the linkage shaft (2) located at the upper side is sleeved with a concentrically fixed driven sprocket; the outer end of the linkage shaft (2) located at the lower side is sleeved with a pair of concentrically fixed linkage sprockets; the upper and lower sides of each linkage chain belt (21) are respectively meshed and sleeved on the corresponding driven sprocket and linkage sprocket.

7. A cargo transportation loading and unloading device according to claim 6, characterized in that: Two pairs of fixed ear seats (23) are fixedly arranged on the left side of the top surface of the bottom plate (1), and a fixed shaft (26) is rotatably inserted between each pair of the fixed ear seats (23), and the motor shaft end of the servo motor (25) is fixedly connected to one of the fixed shafts (26).

8. A cargo transportation loading and unloading device according to claim 7, characterized in that: A coaxially fixed linkage gear (24) is sleeved on the left side of each fixed shaft (26), and a pair of linkage gears (24) are meshed and connected.

9. A cargo transportation loading and unloading device according to claim 8, characterized in that: The driving mechanism comprises a pair of driving chain belts (22), the middle portion of each fixed shaft (26) is sleeved with a concentrically fixed driving sprocket, and each driving sprocket is synchronously connected to a corresponding linkage sprocket through the driving chain belt (22).

10. A method for loading and unloading a cargo transportation loading and unloading device according to claim 9, characterized in that: The following steps are involved: Step 1: In the initial state, the L-shaped loading plate (15) is located between the bottoms of a pair of L-shaped vertical plates (12). The worker places the goods on the L-shaped loading plate (15), pushes the roller, moves the bottom plate (1) to the rear side of the transport box, and starts the servo motor (25); Step 2: The motor shaft of the servo motor (25) drives one of the fixed shafts (26) and the linkage gear (24) to rotate synchronously, and the meshing action of the linkage gear (24) drives the other fixed shaft (26) to rotate in the opposite direction, so that the pair of fixed shafts (26) rotate one forward and one reverse; Step 3: The driving sprocket on the fixed shaft (26) drives the linkage shaft (2) and a pair of linkage sprockets located below to rotate synchronously through the driving chain belt (22), and the linkage sprocket drives the linkage shaft (2) located above to rotate synchronously through the linkage chain belt (21), and the rectangular ring on the linkage chain belt (21) synchronously drives the rectangular slide (13) to slide upward along the L-shaped vertical plate (12); Step 4: When the rectangular slide (13) moves upward, the limit clamping seat drives the flip shaft (14), the L-shaped loading plate (15) and the goods to rise synchronously, and drives the notched gear (16) to slide upward along the U-shaped channel steel (17), so that the L-shaped loading plate (15) and the goods are higher than the bottom wall of the transport box; Step 5: When the notched gear (16) encounters the rack (18) upward, the notched gear (16) meshes with the rack (18) and rotates, driving the flip shaft (14), the L-shaped loading plate (15) and the goods to flip toward the rear side of the transport box, and driving the goods to slide into the transport box, and then the workers stack the goods.

Images