Container conveying system capable of achieving unmanned unloading

Abstract

The invention relates to the technical field of conveying systems, and discloses an unmanned unloading container conveying system which comprises a conveying unit, the conveying unit comprises a multi-belt conveyor, the multi-belt conveyor comprises a rack, and a plurality of conveying belts are arranged in the rack; and the transfer unit comprises a first supporting base arranged in the rack and second supporting bases symmetrically installed on the first supporting base, and a sliding frame is further arranged between every two sets of conveying belts. The sliding frame is driven to be inserted into the bottom of the tray in the container, the bearing frame is driven to move upwards, the tray is jacked upwards, so that the tray is separated from the bottom of the container, then the sliding frame is controlled to reset, cargoes in the container are moved out, loading and unloading of the cargoes can be completed, operation is easy and convenient, and the working efficiency is improved. The problems that manual cargo loading and unloading are tedious and time-consuming, operators are prone to fatigue, and working potential safety hazards are increased are effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of conveying systems, and more particularly to a container conveying system capable of unmanned unloading. Background Art

[0002] At present, container transportation is an important mode of transportation in the multimodal transport of international trade goods. It can load packaged or unpackaged goods for transportation. By using containers, goods can be efficiently and conveniently transferred between different modes of transportation (such as shipping, rail, and trucks), which greatly simplifies the logistics transportation process, reduces loading and unloading costs, and improves transportation efficiency.

[0003] When unloading cargo in a container, the current operation method usually involves manually unloading the cargo one by one, which requires a lot of manpower and physical exertion, and the operation process is cumbersome and time-consuming. In addition, long-term manual operation can easily cause operator fatigue and increase work safety hazards. Summary of the invention

[0004] The present invention provides a container conveying system capable of unmanned unloading, which solves the technical problems in the related art that manual unloading of internal goods requires a large amount of manpower input and physical exertion, the operation process is cumbersome and time-consuming, and long-term manual operation easily causes fatigue of operators, increasing work safety hazards.

[0005] The present invention provides a container conveying system capable of unmanned unloading, comprising a conveying unit, wherein the conveying unit comprises a multi-belt conveyor, wherein the multi-belt conveyor comprises a frame, wherein a plurality of conveyor belts are arranged in the frame; a lifting platform, wherein the lifting platform is used to control the vehicle to rise or fall; a container, wherein the container is used to load goods; a pallet, wherein the pallet is located in the container and is used to carry goods; and a transfer unit, wherein the transfer unit comprises a first support seat arranged in the frame, and a second support seat symmetrically arranged on the first support seat, wherein a plurality of bosses are arranged on the first support seat and the second support seat, wherein each group of bosses has a plurality of bosses arranged on the first support seat and the second support seat ... They are respectively located between every two groups of the conveyor belts, two groups of outer guide rails are arranged between every two groups of the conveyor belts, and an inner guide rail is arranged on the side close to the outer guide rails, and a sliding frame is also arranged between every two groups of the conveyor belts, and the sliding frame is slidably connected to the outer guide rails and the inner guide rails; a plurality of connecting shafts are connected to the bearings on the frame, and a plurality of transmission gears are installed on the connecting shafts, a rack plate is installed on the sliding frame, and the rack plate is meshed with the transmission gears, a second motor is installed on the frame, and the output shaft of the second motor is fixedly connected to one group of the connecting shafts, and the plurality of connecting shafts are connected through a pulley transmission mechanism.

[0006] As a further optimization scheme of the present invention, a support platform is provided in the conveyor belt, and a plurality of rollers are provided on the conveying surface of the support platform close to the conveyor belt, the rollers are rotatably connected to the support platform via bearings, the boss is fixedly connected to the support platform, and a plurality of sliding wheels are connected to the bearings on one side of the sliding frame close to the support platform.

[0007] As a further optimization scheme of the present invention, the inner guide rail includes two air supply sections and a transport section located between the two air supply sections, a plurality of first air ports are opened in the air supply section, and a movable column is slidably connected in the first air port, and a first spring is installed between the movable column and the first air port.

[0008] As a further optimization solution of the present invention, a plurality of slots are provided on a side of the sliding frame close to the movable column, and the slots can be engaged and connected with the movable columns on any group of the air supply sections.

[0009] As a further optimization scheme of the present invention, a second air port is provided in the movable column, and a third air port is provided in the card slot. When the movable column is engaged and connected with the card slot, the first air port, the second air port and the third air port are connected, so as to facilitate the injection of airflow into the interior of the sliding frame, or the discharge of the airflow inside the sliding frame to the outside.

[0010] As a further optimization scheme of the present invention, a first guide column is slidably connected in the third air port, a top block is installed on the first guide column, a plug plate is installed on the end of the first guide column away from the top block, a second spring is provided on the first guide column, and one end of the second spring is fixedly connected to the top block, and the other end of the second spring is fixedly connected to the slot.

[0011] As a further optimization scheme of the present invention, a connection port is installed on the side away from the second support seat. The connection port close to the container can be connected to an external air pump to provide gas to the second support seat, and the connection port away from the container is in an open state, so as to facilitate the discharge of gas in the sliding frame to the outside.

[0012] As a further optimization solution of the present invention, a bearing unit is provided on the sliding frame, and the bearing unit includes a bearing frame slidably connected to the sliding frame, and an air cavity is formed between the sliding frame and the bearing frame.

[0013] As a further optimization scheme of the present invention, a groove is provided at one end of the carrier frame away from the conveyor belt, a shaft rod is connected to the bearing in the groove, a clamping plate is installed on the shaft rod, a torsion spring is also provided on the shaft rod, one end of the torsion spring is fixedly connected to the clamping plate, and the other end of the torsion spring is fixedly connected to the groove.

[0014] As a further optimization solution of the present invention, a positioning unit is further provided on the side of the multi-belt conveyor facing the container, so that the container and the conveying unit remain flush, which facilitates loading and unloading of goods.

[0015] The beneficial effects of the present invention are as follows: the present invention drives the sliding frame to be inserted into the bottom of the pallet in the container, and drives the supporting frame to move upward, thereby lifting the pallet upward, so that the pallet is separated from the bottom of the container, and then, the sliding frame is controlled to be reset to move the goods in the container out, so that the loading and unloading of goods can be completed. The operation is simple and convenient, and effectively solves the problem that manual loading and unloading of goods is tedious and time-consuming, easily causes fatigue of operators, and increases work safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the conveying unit, container and pallet of the present invention;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the multi-belt conveyor of the present invention;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the multi-belt conveyor, the transfer unit, the bearing unit and the positioning unit of the present invention;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the transfer unit of the present invention;

[0021] Figure 6 It is a schematic diagram of a three-dimensional cross-sectional structure of the first support seat and the second support seat of the present invention;

[0022] Figure 7 It is a schematic diagram of a partial three-dimensional structure of a transfer unit of the present invention;

[0023] Figure 8 The present invention Figure 7 A magnified view of the structure at center;

[0024] Fig. 9 It is a schematic diagram of the cross-sectional structure of the transfer unit, the bearing unit, the air cavity and the telescopic rod of the present invention;

[0025] Fig.10 It is a partial structural schematic diagram of the connection relationship between the gas supply section and the transport section of the present invention;

[0026] Fig.11 It is a schematic diagram of the three-dimensional structure of the first guide column, the top block, the plug plate and the second spring of the present invention;

[0027] Fig.12It is a schematic diagram of a partial three-dimensional structure of a bearing unit of the present invention;

[0028] Fig.13 It is a schematic diagram of a three-dimensional cross-sectional structure of a positioning unit of the present invention.

[0029] In the figure: 100, conveying unit; 110, multi-belt conveyor; 111, frame; 112, transmission shaft; 113, conveyor belt; 114, support platform; 115, first motor; 116, sprocket transmission mechanism; 117, controller; 120, transfer unit; 121, first support seat; 122, second support seat; 1221, connection port; 123, outer guide rail; 124, inner guide rail; 1241, first air port; 1242, movable column; 1243, first spring; 1244, second air port; 125, sliding frame; 1251, rack plate; 1252, sliding wheel; 1253, third air port; 12531, The first guide column; 12532, the top block; 12533, the plug plate; 12534, the second spring; 126, the connecting shaft; 127, the transmission gear; 128, the second motor; 129, the pulley transmission mechanism; 130, the bearing unit; 131, the bearing frame; 132, the groove; 133, the shaft; 134, the clamping plate; 135, the torsion spring; 140, the air cavity; 150, the telescopic rod; 160, the positioning unit; 161, the positioning plate; 162, the sliding block; 163, the second guide column; 164, the positioning frame; 165, the third spring; 166, the pressure sensor; 200, the lifting platform; 300, the container; 400, the pallet. DETAILED DESCRIPTION

[0030] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Various examples may omit, replace, or add various processes or components as needed. In addition, the features described in some examples may also be combined in other examples.

[0031] according to Figure 1 and Figure 2 As shown, a container 300 conveying system that can unload the goods without human intervention includes a conveying unit 100, a lifting platform 200, a container 300 and a pallet 400; wherein the lifting platform 200 is used to control the ascent or descent of the vehicle so that the container 300 is kept flush with the conveying unit 100, thereby facilitating the unloading and loading of the goods; the pallet 400 is located in the container 300 and is used to carry the goods.

[0032] Specifically, when unloading or loading the goods in the container 300, the staff controls the vehicle loaded with the container 300 to drive to the lifting platform 200, and controls the lifting platform 200 to move up and down, so as to eliminate the height difference between the vehicle and the conveying unit 100; and, the lifting platform 200 is used to control and adjust the height of the vehicle, and the container 300 is adjusted to a position flush with the conveying unit 100, so as to facilitate the conveying unit 100 to unload or load the goods in the container 300.

[0033] according to Figure 3 As shown, the conveying unit 100 includes a multi-belt conveyor 110, and the multi-belt conveyor 110 includes a frame 111, and a transmission shaft 112 is symmetrically arranged in the frame 111, and the transmission shaft 112 is rotatably connected to the frame 111 through a bearing, and a plurality of conveyor belts 113 are arranged in the frame 111, and the conveyor belts 113 are arranged on the transmission shaft 112, so that the conveyor belts 113 are driven by the transmission shaft 112 to drive the goods to move and transport the goods; a first motor 115 is installed on the frame 111, and the output shaft of the first motor 115 is fixedly connected to one group of transmission shafts 112, and the two groups of transmission shafts 112 are connected through a sprocket transmission mechanism 116; a controller 117 is installed on the frame 111.

[0034] It should be understood that when the first motor 115 is controlled to rotate, the first motor 115 drives the transmission shaft 112 to rotate, and is connected to the two groups of transmission shafts 112 through the sprocket transmission mechanism 116. When one group of transmission shafts 112 rotates, the other group of transmission shafts 112 rotates synchronously, thereby controlling the rotation of multiple conveyor belts 113, so that the conveyor belts 113 can transport goods.

[0035] Furthermore, a support platform 114 is provided in the conveyor belt 113, and a plurality of rollers are provided on the conveying surface of the support platform 114 close to the conveyor belt 113, and the rollers are rotatably connected to the support platform 114 through bearings; the support platform 114 is used to support the goods on the conveyor belt 113; and, through the setting of the rollers, the conveyor belt 113 can move stably on the support platform 114, so as to facilitate the stable transportation of the goods.

[0036] according to Figure 4 , Figure 5 and Figure 6 As shown, a transfer unit 120 is also provided in the frame 111, and the transfer unit 120 includes a first support seat 121 provided in the frame 111, and a second support seat 122 symmetrically installed on the first support seat 121, and multiple bosses are installed on the first support seat 121 and the second support seat 122, and each group of bosses is respectively located between every two groups of conveyor belts 113, and the bosses are fixedly connected to the support platform 114.

[0037] There are two sets of outer rails 123 between every two sets of conveyor belts 113, and inner rails 124 are provided on the side close to the outer rails 123, and the outer rails 123 are mounted on the boss. In this embodiment, the boss is located between every two conveyor belts 113, so as to facilitate auxiliary support of the support platform 114. At the same time, it is convenient to support the outer rails 123 and the inner rails 124.

[0038] Furthermore, a sliding frame 125 is provided between every two groups of conveyor belts 113, and the sliding frame 125 is slidably connected to the outer guide rail 123 and the inner guide rail 124. A plurality of connecting shafts 126 are connected to the bearings on the frame 111, and a plurality of transmission gears 127 are installed on the connecting shafts 126. A rack plate 1251 is installed on the sliding frame 125, and the rack plate 1251 is meshingly connected with the transmission gear 127.

[0039] It should be understood that when the connecting shaft 126 rotates, the driving gear 127 rotates synchronously, and the gear 127 is meshed with the rack plate 1251, thereby controlling the sliding frame 125 to slide on the outer guide rail 123 and the inner guide rail 124. In addition, the outer guide rail 123 is an L-shaped structure, and the inner guide rail 124 is an I-shaped structure, which can support the sliding frame 125 in a sliding manner, so that the sliding frame 125 can move stably on the outer guide rail 123 and the inner guide rail 124.

[0040] according to Figure 7 and Figure 8 As shown, specifically, a second motor 128 is installed on the frame 111, and the output shaft of the second motor 128 is fixedly connected to one group of connecting shafts 126, and the multiple connecting shafts 126 are connected through a belt pulley transmission mechanism 129. When the second motor 128 drives one group of connecting shafts 126 to rotate, the multiple connecting shafts 126 are connected through the belt pulley transmission mechanism 129, so that the connecting shafts 126 rotate synchronously, thereby driving the transmission gear 127 to rotate, driving the sliding frame 125 to move parallel on the multi-belt conveyor 110, so as to facilitate loading and unloading of goods on the pallet 400.

[0041] It should be noted that the bearings on one side of the sliding frame 125 close to the support platform 114 are connected to a plurality of sliding wheels 1252. The sliding wheels 1252 are arranged so that the sliding frame 125 is more stable when moving on the support platform 114. Moreover, the sliding wheels 1252 are arranged so that when the sliding frame 125 moves into the container 300, it can fit with the lower surface inside the container 300 and make sliding contact with the inner wall of the container 300, thereby improving the stability of the cargo handling and avoiding the situation that the center of gravity of the sliding frame 125 is unstable when it is inserted into the container 300 for loading or unloading cargo.

[0042] according to Fig. 9 and Fig.10 As shown, the inner guide rail 124 includes two air supply sections Y1 and a transport section Y2 located between the two air supply sections Y1, the air supply section Y1 is aligned with the position of the second support seat 122, the air supply section Y1 is fixedly connected to the boss on the second support seat 122, the transport section Y2 is aligned with the position of the first support seat 121, and the transport section Y2 is fixedly connected to the boss on the first support seat 121.

[0043] Specifically, a plurality of first air ports 1241 are provided in the air supply section Y1, and a movable column 1242 is slidably connected in the first air port 1241, a first spring 1243 is installed between the movable column 1242 and the first air port 1241, one end of the first spring 1243 is fixedly connected to the movable column 1242, and the other end of the first spring 1243 is fixedly connected to the inner wall of the first air port 1241, and a second air port 1244 is provided in the movable column 1242.

[0044] It should be understood that the first air port 1241 and the second air port 1244 are used to communicate with the inside of the boss, so that the airflow can enter the first air port 1241 and the second air port 1244 through the boss, or the airflow can be discharged from the first air port 1241 and the second air port 1244 into the boss, so as to facilitate the circulation of the airflow.

[0045] Among them, a plurality of slots are provided on one side of the sliding frame 125 close to the movable column 1242, and the slots can be engaged with the movable column 1242 on any group of the air supply section Y1, and a third air port 1253 is provided in the slots. That is to say, when the movable column 1242 is engaged with the slots, the first air port 1241, the second air port 1244 and the third air port 1253 are in a connected state, so that it is convenient to inject air into the interior of the sliding frame 125, and it is also convenient to discharge the air inside the sliding frame 125 to the outside.

[0046] according to Fig. 9 and Fig.11As shown, a first guide column 12531 is slidably connected in the third air port 1253, a top block 12532 is installed on the first guide column 12531, a plug plate 12533 ​​is installed on one end of the first guide column 12531 away from the top block 12532, a second spring 12534 is provided on the first guide column 12531, and one end of the second spring 12534 is fixedly connected to the top block 12532, and the other end of the second spring 12534 is fixedly connected to the slot. When the movable column 1242 is engaged with the slot, the movable column 1242 presses the top block 12532, so that the second spring 12534 produces elastic deformation, so that the first guide column 12531 moves in the third air port 1253, pushes the plug plate 12533 ​​open, and thus the third air port 1253 is opened, so that the first air port 1241, the second air port 1244 and the third air port 1253 are connected.

[0047] It should be noted that a connection port 1221 is installed on the side away from the second support seat 122; the connection port 1221 close to the container 300 can be connected to an external air pump to provide gas to the second support seat 122. When the first air port 1241, the second air port 1244 and the third air port 1253 are connected, it is convenient to inject gas into the sliding frame 125; the connection port 1221 on the side away from the container 300 is in an open state, so as to facilitate the discharge of the gas in the sliding frame 125 to the outside, so that one group of the two air supply sections Y1 performs air supply operation for the sliding frame 125, and the other group performs exhaust operation for the sliding frame 125.

[0048] In addition, according to Fig. 9 As shown, the bearing unit 130 includes a bearing frame 131 slidably connected to the sliding frame 125, and an air cavity 140 is formed between the sliding frame 125 and the bearing frame 131. When gas is supplied to the inside of the sliding frame 125, the gas enters the air cavity 140, and the bearing frame 131 slides outside the sliding frame 125, changing the distance between the sliding frame 125 and the bearing frame 131, so that the size of the air cavity 140 changes, and the bearing frame 131 is lifted upward. Among them, a plurality of telescopic rods 150 are arranged between the sliding frame 125 and the bearing frame 131, and the telescopic rods 150 include sleeve rods and insertion rods. The sleeve rods are installed on the sliding frame 125, and the insertion rods are installed on the bearing frame 131. When the bearing frame 131 moves up and down outside the sliding frame 125, the setting of the telescopic rods 150 provides support and limitation for the bearing frame 131.

[0049] according to Fig.12As shown, a groove 132 is formed at one end of the carrier 131 away from the conveyor belt 113, a shaft 133 is connected to the bearing in the groove 132, a clamping plate 134 is installed on the shaft 133, a torsion spring 135 is also provided on the shaft 133, one end of the torsion spring 135 is fixedly connected to the clamping plate 134, and the other end of the torsion spring 135 is fixedly connected to the groove 132. Through the arrangement of the groove 132 and the clamping plate 134, when the carrier 131 is inserted into the bottom of the tray 400, the clamping plate 134 rotates under the action of the shaft 133, so that the carrier 131 can enter the bottom of the tray 400 easily.

[0050] When the carrier 131 continues to go deeper and touches the edge of the tray 400 away from the carrier 131, the tray 400 releases the limit on the card plate 134, so that the card plate 134 is reset under the action of the shaft 133 and the torsion spring 135, so that when the carrier 131 is moved out, the tray 400 can be limited by the setting of the card plate 134, and the groove 132 and the card plate 134 are limited so that the maximum opening and closing angle between the card plate 134 and the groove 132 is ninety degrees.

[0051] according to Fig.13 As shown, the positioning unit 160 includes a positioning plate 161 installed on the frame 111, and a sliding block 162 is slidably connected in the positioning plate 161, a second guide column 163 is installed on the sliding block 162, and the second guide column 163 is slidably connected to the positioning plate 161, a positioning frame 164 is installed on the second guide column 163, a third spring 165 is provided on the second guide column 163, and one end of the third spring 165 is fixedly connected to the sliding block 162, and the other end of the third spring 165 is fixedly connected to the positioning plate 161, and a pressure sensor 166 is installed on the positioning frame 164. After the vehicle enters the lifting platform 200, the lifting platform 200 drives the vehicle to rise. When the pressure sensor 166 abuts against the bottom end of the inner wall of the container 300, the pressure sensor 166 alarms and sends a signal to the controller 117. The controller 117 controls the lifting platform 200 to stop working, so that the container 300 and the conveying unit 100 remain flush, which is convenient for loading and unloading of goods.

[0052] In addition, by providing the second guide column 163 and the third spring 165, when the vehicle is reversing, the positioning frame 164 contacts the cargo in the container 300. The positioning frame 164 moves on the positioning plate 161 and performs elastic contraction, thereby providing space for the cargo in the container 300 and maintaining the levelness between the container 300 and the conveying unit 100.

[0053] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A container (300) conveying system capable of unmanned unloading, characterized in that: include: A conveying unit (100), the conveying unit (100) comprising a multi-belt conveyor (110), the multi-belt conveyor (110) comprising a frame (111), and a plurality of conveyor belts (113) are arranged in the frame (111); A lifting platform (200), the lifting platform (200) is used to control the vehicle to rise or fall; A container (300), wherein the container (300) is used to load cargo; A pallet (400), the pallet (400) is located in the container (300) and is used to carry goods; A transfer unit (120), the transfer unit (120) comprising a first support seat (121) arranged in a frame (111), and a second support seat (122) symmetrically mounted on the first support seat (121), a plurality of bosses being mounted on both the first support seat (121) and the second support seat (122), each group of bosses being respectively located between each two groups of the conveyor belts (113), two groups of outer guide rails (123) being arranged between each two groups of the conveyor belts (113), and an inner guide rail (124) being arranged on the side close to the outer guide rails (123), a sliding frame (125) being further arranged between each two groups of the conveyor belts (113), and the sliding frame (125) being slidably connected to the outer guide rails (123) and the inner guide rails (124); The frame (111) is connected to a plurality of connecting shafts (126) by bearings, and a plurality of transmission gears (127) are installed on the connecting shafts (126); a rack plate (1251) is installed on the sliding frame (125), and the rack plate (1251) is meshedly connected with the transmission gears (127); a second motor (128) is installed on the frame (111), and an output shaft of the second motor (128) is fixedly connected to one group of the connecting shafts (126); and the plurality of connecting shafts (126) are connected to each other via a pulley transmission mechanism (129).

2. A container (300) conveying system capable of unmanned unloading according to claim 1, characterized in that: A support platform (114) is provided inside the conveyor belt (113), and a plurality of rollers are provided on the support platform (114) near the conveying surface of the conveyor belt (113); the rollers are rotatably connected to the support platform (114) via bearings, the boss is fixedly connected to the support platform (114), and a plurality of sliding wheels (1252) are connected to the bearings on one side of the sliding frame (125) near the support platform (114).

3. A container (300) conveying system capable of unmanned unloading according to claim 1, characterized in that: The inner guide rail (124) comprises two air supply sections (Y1) and a transport section (Y2) located between the two air supply sections (Y1); a plurality of first air ports (1241) are provided in the air supply section (Y1); a movable column (1242) is slidably connected in the first air port (1241); and a first spring (1243) is installed between the movable column (1242) and the first air port (1241).

4. A container (300) conveying system capable of unmanned unloading according to claim 3, characterized in that: A plurality of slots are provided on one side of the sliding frame (125) close to the movable column (1242), and the slots can be engaged and connected with the movable column (1242) on any group of the air supply sections (Y1).

5. A container (300) conveying system capable of unmanned unloading according to claim 4, characterized in that: The movable column (1242) is provided with a second air port (1244), and the slot is provided with a third air port (1253). When the movable column (1242) is engaged with the slot, the first air port (1241), the second air port (1244) and the third air port (1253) are in a connected state, so that airflow can be injected into the interior of the sliding frame (125) or the airflow inside the sliding frame (125) can be discharged to the outside.

6. A container (300) conveying system capable of unmanned unloading according to claim 5, characterized in that: A first guide column (12531) is slidably connected in the third air port (1253), a top block (12532) is installed on the first guide column (12531), a plug plate (12533) is installed on the end of the first guide column (12531) away from the top block (12532), and a second spring (12534) is provided on the first guide column (12531).

7. A container (300) conveying system capable of unmanned unloading according to claim 1, characterized in that: The second support seat (122) is provided with a connection port (1221) on the side away from the container (300). The connection port (1221) on the side close to the container (300) can be connected to an external air pump to provide gas to the second support seat (122). The connection port (1221) on the side away from the container (300) is in an open state, so as to facilitate the discharge of gas in the sliding frame (125).

8. A container (300) conveying system capable of unmanned unloading according to claim 1, characterized in that: The sliding frame (125) is provided with a bearing unit (130), and the bearing unit (130) comprises a bearing frame (131) slidably connected to the sliding frame (125), and an air cavity (140) is formed between the sliding frame (125) and the bearing frame (131).

9. A container (300) conveying system capable of unmanned unloading according to claim 8, characterized in that: A groove (132) is provided at one end of the carrier frame (131) away from the conveyor belt (113); a shaft rod (133) is connected to a bearing in the groove (132); a clamping plate (134) is installed on the shaft rod (133); a torsion spring (135) is also provided on the shaft rod (133); one end of the torsion spring (135) is fixedly connected to the clamping plate (134); and the other end of the torsion spring (135) is fixedly connected to the groove (132).

10. A container (300) conveying system capable of unmanned unloading according to claim 1, characterized in that: A positioning unit (160) is also provided on the side of the multi-belt conveyor (110) facing the container (300) so that the container (300) and the conveying unit (100) remain flush with each other, thereby facilitating loading and unloading of goods.

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