Large cargo transfer device for cargo import and export

Abstract

The invention discloses a large cargo transfer device for cargo import and export, and relates to the technical field of large cargo transfer devices.The large cargo transfer device comprises a rack, direction wheels are fixedly installed at the bottom of the rack, baffles are fixedly installed on the two sides of the top of the rack, and a cargo loading mechanism and a roller assembly are fixedly installed at the two ends of the rack correspondingly; the roller assembly and the loading mechanism are oppositely arranged, the roller assembly comprises a rotating shaft and a supporting frame, the supporting frame is fixedly installed at the end of the rack, the rotating shaft penetrates through the supporting frame and extends to the outer side of the supporting frame, a buffering roller is fixedly installed on the outer side face of the rotating shaft, and a conveying mechanism is installed at the top of the rack. According to the large cargo transfer device for the cargo inlet and outlet, through the arrangement of the bearing mechanism, impact force and vibration generated during cargo conveying are relieved, the risk that cargoes are damaged due to vibration and impact is reduced, and the safety of the cargoes in the transportation process is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of large cargo transfer devices, in particular to a large cargo transfer device for cargo import and export. Background Art

[0002] At present, in today's globalized economic environment, the import and export of goods is becoming increasingly frequent, and the demand for the transportation of large goods is also growing.

[0003] Traditional methods of cargo import and export transportation face many challenges when handling large cargo. During cargo transportation, traditional conveying devices may not be able to meet the special requirements of large cargo. Traditional conveying devices lack load-bearing buffer mechanisms and cannot reduce the direct pressure of cargo on the bottom frame, wheels and other infrastructure of the transport device. When the conveying device encounters cargo shaking during transportation, the load-bearing buffer mechanism can absorb and alleviate the impact and vibration generated by the cargo, reduce the risk of cargo damage due to vibration and impact, and ensure the safety of cargo during transportation.

[0004] Therefore, it is of great practical significance to develop a large-scale cargo transportation device specially used for cargo import and export. This device should be able to effectively solve the shortcomings of existing transportation methods, improve the efficiency, safety and reliability of large-scale cargo transportation, and meet the growing demand for cargo import and export trade. Summary of the invention

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A large-scale cargo transfer device for cargo import and export, comprising: The frame has a directional wheel fixedly mounted on the bottom of the frame and baffles fixedly mounted on both sides of the top of the frame. The directional wheel enables the device to move between different locations, providing great convenience for layout adjustments within the factory or for transferring goods between different workplaces. The baffle can prevent the goods from falling from the side during the transportation process, ensuring that the goods are always within the safe range of the transportation device.

[0006] The loading mechanism is fixedly mounted at one end of the frame. For large cargo placed at a lower position, the loading mechanism can lift it to the height of the cargo loading platform of the transport device, so as to facilitate the loading of the cargo.

[0007] The roller assembly is fixedly mounted at one end of the frame away from the loading mechanism. When the goods reach the end from the conveyor belt, the roller assembly can absorb the kinetic energy of the goods, reduce the impact of the goods on the receiving area or subsequent equipment, and prevent the goods from being damaged or causing damage to the equipment.

[0008] The conveying mechanism is installed on the top of the frame, driving the entire transfer device to operate, and is the power source of the device. It converts electrical energy into mechanical energy to provide continuous power for the transportation of goods. It ensures that the goods can be continuously transported forward on the transfer device, overcoming various resistances, including the weight of the goods themselves, friction, etc.

[0009] The load-bearing mechanism is locked and installed on the outer side of the conveying mechanism. There are several load-bearing mechanisms to evenly distribute the weight of large goods to each load-bearing mechanism, avoid local excessive pressure and cause structural damage, reduce the direct pressure of the goods on the basic structure such as the device frame and steering wheels, and extend their service life. When the goods are placed on the transport device, the load-bearing mechanism can absorb and alleviate the impact and vibration generated by the goods, reduce the risk of damage to the goods due to vibration and impact, and ensure the safety of the goods during transportation.

[0010] Among them, the roller assembly includes a rotating shaft and a support frame, the support frame is fixedly installed at the end of the frame, the rotating shaft passes through the support frame and extends to its outside, and a buffer roller is fixedly installed on the outer side of the rotating shaft. The goods move on the surface of the buffer roller, and the kinetic energy is gradually absorbed, which reduces the impact of the goods on the receiving area or subsequent equipment, preventing the goods from being damaged or causing damage to the equipment.

[0011] Preferably, the loading mechanism includes a guide plate and a loading platform, the guide plate is fixedly mounted on the end of the frame and fixedly connected to the inner side of the baffle, the loading platform is rotatably connected to the top of the outer side of the guide plate through a rotating shaft, a friction block is fixedly mounted on the upper surface of the loading platform, and a load-bearing frame is fixedly mounted on the bottom of the loading platform. The load-bearing frame allows the cargo to move stably, and the friction block on the top of the loading platform increases friction, facilitating the movement of the cargo on the loading platform.

[0012] Preferably, a telescopic support block and an adapter block are rotatably mounted on both sides of the guide plate through a rotating shaft, and the adapter block is arranged directly below the telescopic support block, a groove is provided on the outer side of the telescopic support block, and a first magnetic block is fixedly mounted in the groove, and a second magnetic block is fixedly mounted on the bottom of the adapter block, and the second magnetic block is magnetically adapted to the first magnetic block. When the device needs to be moved, the loading platform is lifted, the telescopic support block is rotated, the second magnetic block is magnetically adapted to the first magnetic block, and the adapter block is locked in the telescopic support block groove, so that the loading platform is fixed and the movement of the device is facilitated.

[0013] Preferably, the conveying mechanism includes a fixed plate and a motor, the fixed plate is fixedly mounted on the outer side of the frame, the motor is fixedly mounted on the outer side of the fixed plate, a transmission shaft is rotatably mounted inside the frame, there are several transmission shafts, and one of the transmission shafts is fixedly connected to the output end of the motor, and a conveying roller is fixedly mounted on the outer surface of the transmission shaft to realize the conveyance of goods.

[0014] Preferably, the outer surface of the conveying roller is connected to the conveyor belt, the outer surface of the conveyor belt is fixedly installed with a locking block, the frame is fixedly installed with a cushion block, and the cushion block is arranged between two adjacent conveying rollers, the top of the cushion block is connected to a rolling rod through a rotating shaft, and the rolling rod is pressed and adapted with the conveyor belt to support the weight of the conveyor belt and the goods, ensuring that the conveyor belt remains in a stable position. The cushion block provides a flat and stable surface for placing and transporting large goods, and the rolling friction coefficient of the rolling rod is relatively small, which can greatly reduce the resistance of the conveyor belt when it is running.

[0015] Preferably, the load-bearing mechanism comprises a locking plate, a locking groove is provided at the bottom of the locking plate, the locking groove is locked and adapted with the locking block, a buffer assembly is fixedly installed on the top of the locking plate, a rubber block is fixedly connected to the top of the buffer assembly, a load-bearing plate is rotatably connected between two adjacent rubber blocks via a rotating shaft, and an anti-sliding block is fixedly installed on the top of the load-bearing plate. The rubber block enables the load-bearing mechanism to operate normally at the return end of the conveyor belt.

[0016] Preferably, the buffer assembly includes a fixed block, a fixed rod and a rotating rod, the fixed block is fixedly installed on both sides of the top of the locking plate, the top of the fixed block is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with a connecting block, the top of the connecting block is fixedly installed with a support plate, a buffer spring is fixedly connected between the fixed block and the connecting block, and the buffer spring is sleeved on the outer surface of the telescopic rod.

[0017] Preferably, the fixing rod is fixedly connected between the two fixing blocks, the outer surface of the fixing rod is sleeved with a rod sleeve, the number of the rod sleeves is two, and a shock-absorbing spring is fixedly connected between the two rod sleeves, the shock-absorbing spring is sleeved on the outer surface of the fixing rod, a fixed rotating shaft is fixedly installed on the top of the rod sleeve, and the end of the rotating rod away from the connecting block is rotatably connected to the rod sleeve through the fixed rotating shaft. When the transfer device is running, the buffer assembly can absorb and alleviate the impact force and vibration generated by the goods, reduce the risk of damage to the goods due to vibration and impact, ensure the safety of the goods during transportation, reduce fatigue damage of various components of the transfer device by buffering and dispersing pressure, and extend the service life of the entire transportation device.

[0018] The present invention provides a large-scale cargo transfer device for cargo import and export. It has the following beneficial effects: 1. The large cargo transfer device for import and export of goods, through the setting of the loading mechanism, can move the large cargo placed at a lower position to the height of the cargo platform of the transport device, which is convenient for loading the cargo. The cargo can be accurately placed at the designated position of the transfer device to ensure the stability of the cargo during transportation. The loading platform can cooperate with other lifting equipment or process flow to achieve continuous loading and meet the needs of large-scale cargo transportation. Due to the magnetic attraction of the first magnetic block and the second magnetic block, the telescopic support block and the adapter block are locked and adapted to support the loading platform, which is convenient for the movement of the device.

[0019] 2. This large cargo transfer device for import and export of goods drives the entire transportation system through the setting of the conveying mechanism, and is the power source of the device. The motor converts electrical energy into mechanical energy, providing continuous power for the rotation of the conveying rollers and the movement of the conveyor belt, ensuring that the goods can be continuously transported forward on the conveying mechanism, overcoming various resistances, including the weight of the goods themselves, friction, etc.; The conveyor rollers and pads support the weight of the conveyor belt and the goods, ensuring that the conveyor belt remains in a stable position. The rolling friction coefficient of the rolling rod on the top of the pad is relatively small, which can greatly reduce the resistance of the conveyor belt during operation, reduce energy consumption, and improve the energy efficiency of the transportation device.

[0020] Conveyor belts provide a flat, stable surface for placing and transporting large goods, and achieve continuous delivery of goods without intermittent stops, thereby improving transportation efficiency.

[0021] 3. This large cargo transfer device for import and export of goods has a load-bearing mechanism. When the goods are placed on it, the anti-sliding block is squeezed and moves downward, the telescopic rod shrinks, and the buffer spring is compressed. At this time, the rotating rod rotates, the two rod sleeves move relatively, the shock-absorbing spring is squeezed and shrinks, and the goods are transported smoothly under the action of the load-bearing mechanism. When the transfer device is running, the buffer component can absorb and alleviate the impact force and vibration generated by the goods, reduce the risk of damage to the goods due to vibration and impact, ensure the safety of the goods during transportation, and reduce fatigue damage to various components of the transfer device by buffering and dispersing pressure, thereby extending the service life of the entire transportation device.

[0022] 4. This large-scale cargo transfer device for import and export of goods, through the setting of the roller assembly, when the goods reach the end from the conveyor belt, the roller assembly can absorb the kinetic energy of the goods, reduce the impact of the goods on the receiving area or subsequent equipment, and prevent the goods from being damaged or causing damage to the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the appearance of the present invention; Figure 2 This is a position relationship diagram of the loading mechanism and the roller assembly of the present invention; Figure 3 This is a structural schematic diagram of the loading mechanism of the present invention; Figure 4 This is a schematic diagram of lifting the loading platform of the present invention; Figure 5 It is a position relationship diagram of the conveying mechanism and the load-bearing mechanism of the present invention; Figure 6 It is a partial cross-sectional view of the conveying mechanism of the present invention; Figure 7 It is a schematic diagram of the position of the load-bearing mechanism of the present invention; Figure 8 It is a structural schematic diagram of the load-bearing mechanism of the present invention; Fig. 9 It is a schematic diagram of the structure of the buffer assembly of the present invention.

[0024] In the figure: 1, frame; 2, direction wheel; 3, baffle; 4, loading mechanism; 41, load-bearing frame; 42, loading platform; 43, friction block; 44, guide plate; 45, telescopic support block; 46, first magnetic block; 47, adapter block; 48, second magnetic block; 5, roller assembly; 51, rotating shaft; 52, buffer roller; 53, support frame; 6, conveying mechanism; 61, fixed plate; 62, motor; 63, transmission shaft; 64, conveying roller ; 65. Pad; 66. Rolling rod; 67. Conveyor belt; 68. Locking block; 7. Load-bearing mechanism; 71. Buffer assembly; 711. Fixed block; 712. Telescopic rod; 713. Buffer spring; 714. Connecting block; 715. Support plate; 716. Rotating rod; 717. Fixed rod; 718. Rod sleeve; 719. Shock-absorbing spring; 72. Rubber block; 73. Load-bearing plate; 74. Anti-sliding block; 75. Locking plate; 76. Locking groove. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0026] The first embodiment, as Figure 1 to Figure 2 As shown, the present invention provides a technical solution: a large-scale cargo transfer device for cargo import and export, comprising: The frame 1 has a directional wheel 2 fixedly mounted at the bottom of the frame 1, and baffles 3 fixedly mounted on both sides of the top of the frame 1. The directional wheel 2 enables the device to move between different locations, and provides great convenience whether it is for layout adjustment within the factory or for transferring goods between different workplaces. The baffle 3 can prevent the goods from falling from the side during the transportation process, ensuring that the goods are always within the safe range of the transportation device.

[0027] The roller assembly 5 is fixedly mounted at one end of the frame 1. When the goods reach the end from the conveyor belt 67, the roller assembly 5 can absorb the kinetic energy of the goods, reduce the impact of the goods on the receiving area or subsequent equipment, and prevent the goods from being damaged or causing damage to the equipment.

[0028] Among them, the roller assembly 5 includes a rotating shaft 51 and a support frame 53, the support frame 53 is fixedly installed at the end of the frame 1, the rotating shaft 51 passes through the support frame 53 and extends to its outside, and a buffer roller 52 is fixedly installed on the outer side of the rotating shaft 51. The goods move on the surface of the buffer roller 52, and the kinetic energy is gradually absorbed, which reduces the impact of the goods on the receiving area or subsequent equipment, preventing the goods from being damaged or causing damage to the equipment.

[0029] The second embodiment is based on the first embodiment. Figures 1 to 4 As shown, the loading mechanism 4 is fixedly mounted at one end of the frame 1, and the loading mechanism 4 is arranged opposite to the roller assembly 5. For large goods placed at a lower position, the loading mechanism 4 can lift them to the height of the cargo platform of the transport device, which is convenient for loading the goods. The loading mechanism 4 includes a guide plate 44 and a loading platform 42. The guide plate 44 is fixedly mounted on the end of the frame 1 and is fixedly connected to the inner side of the baffle 3. The loading platform 42 is rotatably connected to the top of the outer side of the guide plate 44 through a rotating shaft. A friction block 43 is fixedly mounted on the top of the loading platform 42, and a load-bearing frame 41 is fixedly mounted on the upper surface of the loading platform 42. The load-bearing frame 41 allows the cargo to move stably, and the friction block 43 on the upper surface of the loading platform 42 increases friction, which facilitates the movement of the cargo on the loading platform 42. The two sides of the guide plate 44 are rotatably mounted with a telescopic support block 45 and an adapter block 47 through a rotating shaft, and the adapter block 47 is arranged directly below the telescopic support block 45. A groove is provided on the outer side of the telescopic support block 45, and a first magnetic block 46 is fixedly mounted in the groove. A second magnetic block 48 is fixedly mounted on the bottom of the adapter block 47, and the second magnetic block 48 is magnetically adapted to the first magnetic block 46. When the device needs to be moved, the loading platform 42 is lifted, the telescopic support block 45 is rotated, the second magnetic block 48 is magnetically adapted to the first magnetic block 46, and the adapter block 47 is locked in the groove of the telescopic support block 45, so that the loading platform 42 is fixed, which is convenient for the movement of the device.

[0030] The third embodiment is based on the first and second embodiments. Figures 5 to 9 As shown, the conveying mechanism 6 is installed at the top of the inner side of the frame 1, driving the entire transfer device to operate, and is the power source of the device. It converts electrical energy into mechanical energy, provides continuous power for the transportation of goods, ensures that the goods can be continuously transported forward on the transfer device, and overcomes various resistances, including the weight of the goods themselves, friction, etc.; The conveying mechanism 6 includes a fixed plate 61 and a motor 62. The fixed plate 61 is fixedly mounted on the outer side of the frame 1. The motor 62 is fixedly mounted on the outer side of the fixed plate 61. A transmission shaft 63 is rotatably mounted on the inner side of the frame 1. There are ten transmission shafts 63, and one of the transmission shafts 63 is fixedly connected to the output end of the motor 62. A conveying roller 64 is fixedly mounted on the outer surface of the transmission shaft 63 to realize the conveying of goods. The outer surface of the conveying roller 64 is connected to the conveying belt 67 in a transmission manner, and a locking block 68 is fixedly installed on the outer surface of the conveying belt 67. A cushion block 65 is fixedly installed inside the frame 1, and the cushion block 65 is arranged between two adjacent conveying rollers 64. The top of the cushion block 65 is rotatably connected to a rolling rod 66 through a rotating shaft, and the rolling rod 66 is pressed and adapted with the conveying belt 67 to support the weight of the conveying belt 67 and the goods, ensuring that the conveying belt 67 remains in a stable position. The cushion block 65 provides a flat and stable surface for placing and transporting large goods. The rolling friction coefficient of the rolling rod 66 is relatively small, which can greatly reduce the resistance of the conveying belt 67 when it is running; The load-bearing mechanism 7 is locked and installed on the outer side of the conveying mechanism 6, and there are thirty-four of them. The weight of large goods is evenly distributed to each load-bearing mechanism 7, avoiding local excessive pressure and structural damage, reducing the direct pressure of the goods on the basic structures such as the device frame 1 and the steering wheel 2, and extending their service life. When the goods are placed on the transport device, the load-bearing mechanism 7 can absorb and alleviate the impact and vibration generated by the goods, reduce the risk of damage to the goods due to vibration and impact, and ensure the safety of the goods during transportation; The load-bearing mechanism 7 includes a locking plate 75, which is mounted on the outer surface of the conveyor belt 67. A locking groove 76 is provided at the bottom of the locking plate 75, and the locking groove 76 is locked and adapted with the locking block 68. A buffer assembly 71 is fixedly mounted on the top of the locking plate 75, and a rubber block 72 is fixedly connected to the top of the buffer assembly 71. A load-bearing plate 73 is rotatably connected between two adjacent rubber blocks 72 through a rotating shaft, and an anti-sliding block 74 is fixedly mounted on the top of the load-bearing plate 73. The rubber block 72 allows the load-bearing mechanism 7 to operate normally at the return end of the conveyor belt 67.

[0031] The buffer assembly 71 includes a fixed block 711, a fixed rod 717 and a rotating rod 716. The fixed block 711 is fixedly installed on both sides of the top of the locking plate 75. The top of the fixed block 711 is fixedly connected to the telescopic rod 712. The top of the telescopic rod 712 is fixedly connected to the connecting block 714. The top of the connecting block 714 is fixedly installed with a support plate 715. A buffer spring 713 is fixedly connected between the fixed block 711 and the connecting block 714, and the buffer spring 713 is sleeved on the outer surface of the telescopic rod 712.

[0032] The fixing rod 717 is fixedly connected between the two fixing blocks 711, and a rod sleeve 718 is sleeved on the outer surface of the fixing rod 717. There are two rod sleeves 718, and a shock-absorbing spring 719 is fixedly connected between the two rod sleeves 718. The shock-absorbing spring 719 is sleeved on the outer surface of the fixing rod 717, and a fixed rotating shaft is fixedly installed on the top of the rod sleeve 718. The end of the rotating rod 716 away from the connecting block 714 is rotatably connected to the rod sleeve 718 through the fixed rotating shaft. When the transfer device is running, the buffer assembly 71 can absorb and alleviate the impact force and vibration generated by the goods, reduce the risk of damage to the goods due to vibration and impact, ensure the safety of the goods during transportation, reduce fatigue damage of various components of the transfer device by buffering and dispersing pressure, and extend the service life of the entire transportation device.

[0033] When in use, the loading platform 42 is lifted, the telescopic support block 45 rotates, the second magnetic block 48 is magnetically adapted to the first magnetic block 46, and the adapter block 47 is locked in the slot of the telescopic support block 45, so that the loading platform 42 is fixed, which is convenient for the movement of the device. After the operator moves the equipment to the transfer site, the loading platform 42 is put down, and the motor 62 is turned on. The motor 62 drives the transmission shaft 63 to rotate, so that the conveying roller 64 and the conveyor belt 67 move, and the locking block 68 at the top of the conveyor belt 67 is locked with the bottom of the locking plate 75. The locking grooves 76 are locked, driving the entire load-bearing mechanism 7 to move with the conveyor belt 67. At this time, the operator moves the goods through the loading platform 42 and the guide plate 44 to the anti-sliding block 74. The anti-sliding block 74 is squeezed and moves downward, the telescopic rod 712 contracts, and the buffer spring 713 is compressed. At this time, the rotating rod 716 rotates, pushing the two rod sleeves 718 to move relative to each other, and the shock-absorbing spring 719 is squeezed and contracted. The buffer spring 713 and the shock-absorbing spring 719 absorb and alleviate the impact force and vibration generated by the goods.

[0034] When the goods move to the buffer roller 52, the moving speed of the goods gradually decreases, the goods move on the surface of the buffer roller 52, the kinetic energy is gradually absorbed, and the impact of the goods on the receiving area or subsequent equipment is reduced, preventing the goods from being damaged or causing damage to the equipment.

[0035] When the load-bearing mechanism 7 moves to the return end of the conveyor belt 67 , the rubber block 72 is stretched and deformed, so that the load-bearing mechanism 7 moves normally.

[0036] When the equipment is not in use, turn off the motor.

[0037] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A large cargo transfer device for cargo import and export, characterized in that: include: A frame (1), wherein a steering wheel (2) is fixedly mounted on the bottom of the frame (1), and baffles (3) are fixedly mounted on both sides of the top of the frame (1); A loading mechanism (4), wherein the loading mechanism (4) is fixedly mounted on one end of the frame (1); A roller assembly (5), wherein the roller assembly (5) is fixedly mounted on an end of the frame (1) away from the loading mechanism (4); A conveying mechanism (6), wherein the conveying mechanism (6) is installed on the top of the frame (1); A load-bearing mechanism (7), wherein the load-bearing mechanism (7) is locked and mounted on the outer side surface of the conveying mechanism (6); The roller assembly (5) comprises a rotating shaft (51) and a support frame (53), wherein the support frame (53) is fixedly mounted on an end of the frame (1), the rotating shaft (51) passes through the support frame (53) and extends to the outside thereof, and a buffer roller (52) is fixedly mounted on the outer side surface of the rotating shaft (51).

2. A large cargo transfer device for cargo import and export according to claim 1, characterized in that: The loading mechanism (4) comprises a guide plate (44) and a loading platform (42); the guide plate (44) is fixedly mounted on the end of the frame (1), and the guide plate (44) is fixedly connected to the inner side surface of the baffle (3); the loading platform (42) is rotatably connected to the top of the outer side surface of the guide plate (44) via a rotating shaft; a friction block (43) is fixedly mounted on the upper surface of the loading platform (42), and a load-bearing frame (41) is fixedly mounted on the bottom of the loading platform (42).

3. A large cargo transfer device for cargo import and export according to claim 2, characterized in that: A telescopic support block (45) and an adapter block (47) are rotatably mounted on both sides of the guide plate (44) via a rotating shaft, and the adapter block (47) is arranged directly below the telescopic support block (45). A groove is provided on the outer side surface of the telescopic support block (45), and a first magnetic block (46) is fixedly mounted in the groove. A second magnetic block (48) is fixedly mounted on the bottom of the adapter block (47), and the second magnetic block (48) is magnetically attracted and adapted to the first magnetic block (46).

4. A large cargo transfer device for cargo import and export according to claim 1, characterized in that: The conveying mechanism (6) comprises a fixing plate (61) and a motor (62), wherein the fixing plate (61) is fixedly mounted on the outer side of the frame (1), and the motor (62) is fixedly mounted on the outer side of the fixing plate (61). A transmission shaft (63) is rotatably mounted inside the frame (1), wherein a plurality of transmission shafts (63) are provided, and one of the transmission shafts (63) is fixedly connected to the output end of the motor (62), and a conveying roller (64) is fixedly mounted on the outer surface of the transmission shaft (63).

5. A large cargo transfer device for cargo import and export according to claim 4, characterized in that: The outer surface of the conveying roller (64) is drivingly connected to a conveying belt (67), and a locking block (68) is fixedly installed on the outer surface of the conveying belt (67). A cushion block (65) is fixedly installed inside the frame (1), and the cushion block (65) is arranged between two adjacent conveying rollers (64). The top of the cushion block (65) is rotatably connected to a rolling rod (66) via a rotating shaft, and the rolling rod (66) is squeezed and adapted to the conveying belt (67).

6. A large cargo transfer device for cargo import and export according to claim 1, characterized in that: The load-bearing mechanism (7) comprises a locking plate (75), a locking groove (76) is provided at the bottom of the locking plate (75), the locking groove (76) is locked and adapted with the locking block (68), a buffer assembly (71) is fixedly mounted on the top of the locking plate (75), a rubber block (72) is fixedly connected to the top of the buffer assembly (71), and a load-bearing plate (73) is rotatably connected between two adjacent rubber blocks (72) via a rotating shaft, and an anti-sliding block (74) is fixedly mounted on the top of the load-bearing plate (73).

7. A large cargo transfer device for cargo import and export according to claim 6, characterized in that: The buffer assembly (71) comprises a fixed block (711), a fixed rod (717) and a rotating rod (716); the fixed block (711) is fixedly mounted on both sides of the top of the locking plate (75); the top of the fixed block (711) is fixedly connected to a telescopic rod (712); the top of the telescopic rod (712) is fixedly connected to a connecting block (714); the top of the connecting block (714) is fixedly mounted to a supporting plate (715); a buffer spring (713) is fixedly connected between the fixed block (711) and the connecting block (714); and the buffer spring (713) is sleeved on the outer surface of the telescopic rod (712).

8. A large cargo transfer device for cargo import and export according to claim 7, characterized in that: The fixed rod (717) is fixedly connected between the two fixed blocks (711); a rod sleeve (718) is sleeved on the outer surface of the fixed rod (717); there are two rod sleeves (718); a shock absorbing spring (719) is fixedly connected between the two rod sleeves (718); the shock absorbing spring (719) is sleeved on the outer surface of the fixed rod (717); a fixed rotating shaft is fixedly installed on the top of the rod sleeve (718); and one end of the rotating rod (716) away from the connecting block (714) is rotatably connected to the rod sleeve (718) via the fixed rotating shaft.

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