Unloading device for bulk cargo and unloading control method

Abstract

The invention relates to an unloading device for bulk cargo and an unloading control method. In the unloading process, a luffing mechanism is lifted to a preset height in the vertical direction through a jacking mechanism; the luffing mechanism is driven by the rotating mechanism to rotate in the vertical direction, so that the discharging mechanism faces the direction of the discharging area; then, the amplitude changing mechanism extends, so that the discharging mechanism is located above the discharging area; after reaching the position above the unloading area, the material shoveling piece is driven by the lifting assembly to reach and be inserted into the goods in the unloading area, the material shoveling piece is driven by the rotating assembly to rotate in the vertical direction, and the orientation of the material shoveling piece is changed; and finally, through the telescopic function of the luffing mechanism, the goods are shoveled down by the shoveling piece, so that the automatic unloading operation is completed. According to the design, through cooperative control of different mechanisms, the unloading efficiency is greatly improved, and the problem that the efficiency is low in a traditional manual unloading mode is solved.

Description

Technical Field

[0001] The present application relates to the technical field of railway logistics loading and unloading, and in particular to an unloading device and an unloading control method for bulk cargo. Background Art

[0002] Rail transport is the preferred method for transporting large quantities of bulk cargo, such as grain, coal, and ore. However, due to limited space in railway freight yards and insufficient operating equipment, cargo loading and unloading efficiency faces challenges. With the continuous growth of demand for rail transport, the market demand for unloading efficiency is increasing. Traditional unloading methods rely on manual operations, which are not only inefficient but also prone to human error, leading to safety hazards and cargo loss during unloading. Therefore, there is an urgent need for an unloading device that can reduce labor costs and equipment loss while ensuring efficiency and safety. Summary of the Invention

[0003] Based on this, it is necessary to provide an unloading device and an unloading control method for bulk cargo, which can reduce labor costs and equipment losses while ensuring high efficiency and safety.

[0004] The present application provides an unloading device for bulk cargo, the unloading device for bulk cargo comprising: an unloading mechanism, comprising a lifting assembly, a rotating assembly and a shoveling piece, the lifting assembly being connected to the rotating assembly for driving the rotating assembly to lift and lower in a vertical direction, the rotating assembly being connected to the shoveling piece for driving the shoveling piece to rotate around the vertical direction; a luffing mechanism being connected to the lifting assembly for driving the lifting assembly to extend and retract along the length direction of the luffing mechanism, the length direction of the luffing mechanism intersecting with the vertical direction; a rotating mechanism being connected to the luffing mechanism for driving the luffing mechanism to rotate around the vertical direction; and a jacking mechanism being connected to the rotating mechanism for driving the rotating mechanism to lift and lower in the vertical direction.

[0005] The above-mentioned unloading device for bulk cargo, during the unloading process, uses a jacking mechanism to lift the variable-length mechanism vertically to a preset height. The swivel mechanism drives the variable-length mechanism to rotate vertically, orienting the unloading mechanism toward the unloading area. The variable-length mechanism then extends, positioning the unloading mechanism above the unloading area. Once above the unloading area, the lifting assembly drives the shovel member to reach and insert into the cargo in the unloading area. The swivel assembly drives the shovel member to rotate vertically, changing its orientation. Finally, the variable-length mechanism retracts and retracts, allowing the shovel member to scoop the cargo off, completing the automatic unloading operation. This design significantly improves unloading efficiency through coordinated control between the various mechanisms, addressing the inefficiency of traditional manual unloading methods. Furthermore, by precisely controlling the movements of the mechanisms, damage to the vehicle body during unloading is effectively reduced, extending the service life of railway transportation equipment. Furthermore, by reducing manual intervention, the device significantly reduces labor costs, reduces operator workload, and improves work safety.

[0006] In some embodiments, the lifting assembly includes a first driver, a first mounting seat and a lifting member, the first mounting seat has a telescopic channel, the lifting member is slidably arranged on the inner wall of the telescopic channel, the first driver is used to drive the lifting member to rise and fall along the vertical direction, and the first mounting seat is connected to the amplitude variation mechanism.

[0007] In some embodiments, the lifting assembly further includes a first gear and a transmission member, wherein the transmission member is disposed on the lifting member, and the first gear is connected to the output end of the first driver and cooperates with the transmission member to drive the lifting member to move up and down along the vertical direction.

[0008] In some embodiments, the lifting assembly further includes a sliding member, which is disposed on an inner wall of the telescopic channel and slidably cooperates with the lifting member.

[0009] In some embodiments, the rotary assembly further includes a second driver, a second mounting seat, a second gear and a first rotary support, the second mounting seat is connected to the lifting assembly, the second gear is engaged with the first rotary support and both are disposed in the second mounting seat, the second gear is connected to the second driver, and the first rotary support is connected to the shoveling member to drive the shoveling member to rotate in a vertical direction.

[0010] In some embodiments, a third driver is further included. The lifting assembly is provided with a first connecting seat and a second connecting seat spaced apart along the vertical direction. The first connecting seat is rotatably connected to the amplitude variation mechanism. The third driver is provided on the amplitude variation mechanism, and its output end is rotatably connected to the second connecting seat, for driving the lifting assembly to rotate around the first connecting seat.

[0011] In some embodiments, the amplitude changing mechanism includes a first amplitude changing member, a second amplitude changing member, a third amplitude changing member, a first power assembly and a second power assembly. The second amplitude changing member is slidably arranged in the first amplitude changing member, and the third amplitude changing member is slidably arranged in the second amplitude changing member. The end of the third amplitude changing member away from the second amplitude changing member is connected to the lifting assembly. The first power assembly is used to drive the second amplitude changing member to extend and retract in the first amplitude changing member, and the second power assembly is used to drive the third amplitude changing member to extend and retract in the second amplitude changing member.

[0012] In some embodiments, the second power assembly includes a fourth driver, a third gear and a second rack, the fourth driver is arranged on the second amplitude varying member, the third gear is connected to the output end of the fourth driver and is at least partially located in the second amplitude varying member, and the second rack is arranged on the third amplitude varying member and meshes with the third gear.

[0013] In some embodiments, the jacking mechanism includes: at least two jacking components, each of which is connected in sequence and movably arranged along the vertical direction; wherein each two adjacent jacking components have a folded position folded relative to each other and an unfolded position unfolded along the vertical direction.

[0014] In some embodiments, a walking mechanism is further included; the walking mechanism includes a chassis, a fifth drive connected to the chassis, and a walking platform, the lifting mechanism is arranged on the chassis, and the fifth drive is used to drive the walking platform to move.

[0015] The present application provides a method for controlling unloading of vehicles, which adopts any of the unloading devices for bulk cargo described above, and the method comprises the following steps: controlling the lifting mechanism to drive the luffing mechanism to lift to a preset height; controlling the rotating mechanism to drive the luffing mechanism to rotate around the vertical direction, and controlling the luffing mechanism to extend along its own length direction so that the unloading mechanism is above the unloading area; controlling the movement of the lifting assembly and the rotating assembly so that the shoveling member is inserted into the cargo in the unloading area, and rotating to adjust the direction of the shoveling member; controlling the luffing mechanism to extend and retract along its own length direction so that the shoveling member shovels the cargo off.

[0016] The above-mentioned unloading control method utilizes the above-mentioned unloading device for bulk cargo. During the unloading process, a lifting mechanism lifts the variable-length mechanism vertically to a preset height. A rotating mechanism drives the variable-length mechanism to rotate vertically, directing the unloading mechanism toward the unloading area. Next, the variable-length mechanism extends, positioning the unloading mechanism above the unloading area. Once above the unloading area, a lifting assembly drives a shovel member to reach and insert into the cargo in the unloading area. A swivel assembly drives the shovel member to rotate vertically, changing its orientation. Finally, the variable-length mechanism retracts and retracts, causing the shovel member to scoop off the cargo, completing the automatic unloading operation. This design significantly improves unloading efficiency through coordinated control between the various mechanisms, addressing the inefficiency of traditional manual unloading methods. Furthermore, by precisely controlling the movements of the mechanisms, damage to the vehicle body during unloading is effectively reduced, extending the service life of railway transportation equipment. Furthermore, by reducing manual intervention, the present device significantly reduces labor costs, reduces operator workload, and improves work safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of a vehicle unloading device according to one or more embodiments.

[0018] Figure 2 Schematic diagram of the structure of a discharge mechanism according to one or more embodiments.

[0019] Figure 3 Schematic diagram of the structure of the first base and the first driver according to one or more embodiments.

[0020] Figure 4 FIG. 4 is an exploded view of a rotary assembly according to one or more embodiments.

[0021] Figure 5 Schematic diagram of the structure of the amplitude variation mechanism according to one or more embodiments.

[0022] Figure 6 is a schematic structural diagram of a second power assembly according to one or more embodiments.

[0023] Figure 7 FIG. 4 is an exploded view of a rotating mechanism according to one or more embodiments.

[0024] Figure 8 Schematic diagram of the structure of a lifting device and a carriage according to one or more embodiments.

[0025] Figure 9 Schematic diagram of the structure of a lifting device according to one or more embodiments.

[0026] Figure 10FIG. 4 is a partial schematic diagram of a lifting device according to one or more embodiments.

[0027] Figure 11 Schematic diagram of the structure of a first lifting assembly in a lifting device according to one or more embodiments.

[0028] Figure 12 Schematic diagram of the structure of a second lifting assembly in a lifting device according to one or more embodiments.

[0029] Figure 13 Schematic diagram of the structure of a third lifting assembly in a lifting device according to one or more embodiments.

[0030] Figure 14 FIG. 4 is a flowchart of a method for controlling a vehicle unloading according to one or more embodiments.

[0031] 100, lifting mechanism; 200, unloading area; 20, first lifting assembly; 30, second lifting assembly; 40, third lifting assembly; 50, driving assembly; 60, connecting bracket; 51, telescopic rod; 52, driving member; 61, first slider; 62, second slider; 63, third slider; 64, fourth slider; 65, first support beam; 66, second support beam; a, vertical direction; 300, unloading mechanism; 310, lifting assembly; 311, lifting member; 312, first driver; 313, first mounting seat; 31a, first side plate; 31b, second side plate; 31c, third side plate; 31d, fourth side plate; 31e, telescopic channel; 314, first gear; 315, transmission member; 316, sliding member; 317, first connecting seat; 318, second connecting seat; 320, rotary assembly; 321, second driver; 322, second mounting seat; 32a, mounting Plate; 32b, cover; 323, second gear; 324, first slewing bearing; 330, shovel member; 400, third driver; 500, amplitude change mechanism; 510, first amplitude change member; 520, second amplitude change member; 530, third amplitude change member; 540, first power assembly; 550, second power assembly; 551, fourth driver; 552, third gear; 553, second rack; 554, fixed seat; 55a, reinforcement plate; 5 5b, fixed plate; 55c, reinforcing rib; 560, counterweight structure; 600, rotating mechanism; 610, sixth drive; 620, fourth gear; 630, second slewing bearing; 640, connecting seat; 650, gasket; 700, walking mechanism; 710, fifth drive; 720, walking platform; 730, chassis; 740, heat sink; 750, power battery cabinet; 760, electrical control cabinet; 770, hydraulic system control box. DETAILED DESCRIPTION

[0032] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0033] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0034] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0035] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0036] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0037] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0038] In some embodiments, please refer to Figure 1 The present application provides an unloading device for bulk cargo, which includes: an unloading mechanism 300, including a lifting component 310, a rotating component 320 and a shoveling piece 330, the lifting component 310 is connected to the rotating component 320, and is used to drive the rotating component 320 to lift and lower along the vertical direction a, and the rotating component 320 is connected to the shoveling piece 330, and is used to drive the shoveling piece 330 to rotate around the vertical direction a; a luffing mechanism 500, which is connected to the lifting component 310, and is used to drive the lifting component 310 to extend and retract along the length direction of the luffing mechanism 500, and the length direction of the luffing mechanism 500 intersects with the vertical direction a; a rotating mechanism 600, which is connected to the luffing mechanism 500, and is used to drive the luffing mechanism 500 to rotate around the vertical direction a; a lifting mechanism 100, which is connected to the rotating mechanism 600, and is used to drive the rotating mechanism 600 to lift and lower along the vertical direction a.

[0039] During the unloading process, the aforementioned unloading device for bulk cargo lifts the variable-length mechanism 500 along the vertical direction a to a preset height via the lifting mechanism 100. The variable-length mechanism 500 is then rotated about the vertical direction a via the rotating mechanism 600, causing the unloading mechanism 300 to face the unloading area 200. The variable-length mechanism 500 then extends, positioning the unloading mechanism 300 above the unloading area 200. Once above the unloading area 200, the lifting assembly 310 drives the shovel member 330 to reach and insert into the cargo in the unloading area 200. The shovel member 330 is then rotated about the vertical direction a via the rotating assembly 320, changing its orientation. Finally, the shovel member 330 shovels the cargo off the unloading area, completing the automatic unloading operation. This design significantly improves unloading efficiency through the coordinated control of various mechanisms, solving the inefficiency inherent in traditional manual unloading methods. At the same time, by precisely controlling the mechanism's movements, it effectively reduces damage to the vehicle body during unloading, extending the service life of railway transportation equipment. Furthermore, by reducing manual intervention, this device significantly reduces labor costs, reduces operator workload, and improves work safety.

[0040] It should be noted that the lifting assembly 310 is a device that drives the shovel member 330 to move up and down in the vertical direction a. It can have various structures, such as a combination of a motor and a screw mechanism, a combination of a motor and a rack and pinion, or a combination of a motor and a roller chain. Of course, the lifting assembly 310 can also be a structure with telescopic functions, such as a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.

[0041] The rotary assembly 320 is the device that drives the shovel member 330 to rotate. Its structure may be, but is not limited to, a combination of a motor and a gear set, or a motor and a belt. If the shovel surface of the shovel member 330 is not oriented in the direction of cargo discharge, the rotary assembly 320 can be used to rotate the shovel member 330, changing the direction of the shovel surface to align with the discharge direction.

[0042] When the scooping member 330 is inserted into the cargo, the luffing mechanism 500 can be extended and retracted, allowing the scooping member 330 to move back and forth within the cargo, ensuring stable unloading from the unloading area 200. The luffing mechanism 500 can be designed in a variety of ways. For example, the luffing mechanism 500 can be, but is not limited to, a device with telescopic functions such as a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder, or a combination of a motor and a screw mechanism. The unloading area 200 can be a carriage.

[0043] It should also be noted that during the unloading process, in order to ensure that the shoveling piece 330 is stably inserted into the cargo in the unloading area 200, the boom mechanism 500 can be lifted as a whole to a preset height through the jacking mechanism 100, and then the rotating mechanism 600 rotates the boom mechanism 500 so that the unloading mechanism 300 is located above the unloading mechanism 300, thereby realizing automatic and stable unloading.

[0044] Furthermore, the rotating mechanism 600 is a device for driving the luffing mechanism 500 to rotate about the vertical direction a, thereby aligning the unloading mechanism 300 with the unloading area 200. The rotating mechanism 600 may include a sixth driver 610, a fourth gear 620, a second slewing bearing 630, and a connecting base 640. The sixth driver 610 is connected to the fourth gear 620, which engages with the second slewing bearing 630. The second slewing bearing 630 is disposed on the connecting base 640 and connected to the lifting mechanism 100. The connecting base 640 is connected to the luffing mechanism 500. Thus, the engagement of the fourth gear 620 with the second slewing bearing 630 allows the luffing mechanism 500 to rotate about the vertical direction relative to the lifting mechanism 100.

[0045] At the same time, a reducer may be provided between the sixth driver 610 and the fourth gear 620 , and a gasket 650 may be provided between the connecting seat 640 and the second slewing bearing 630 to increase the gap and prevent interference with the reducer mounting bolts.

[0046] For further information, please refer to Figure 2 The lifting assembly 310 includes a first driver 312, a first mounting base 313, and a lifting member 311. The first mounting base 313 defines a telescopic channel 31e. The lifting member 311 is slidably mounted on the inner wall of the telescopic channel 31e. The first driver 312 is used to drive the lifting member 311 to move up and down in the vertical direction a. The first mounting base 313 is connected to the luffing mechanism 500. As can be seen, when the shovel member 330 is located above the unloading area 200, the first driver 312 can drive the lifting member 311 to descend in the vertical direction a within the telescopic channel 31e, allowing the shovel member 330 to be stably inserted into the cargo.

[0047] It should be noted that the first driver 312 is the device that provides power for the lifting of the lifting member 311. It can be, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, an electric cylinder, or a motor. When the first driver 312 is a motor, a transmission structure must be provided between the first driver 312 and the lifting member 311, such as a gear and rack, a lead screw and a slider, etc.

[0048] It should also be noted that the first mounting base 313 can provide a channel structure for the lifting member 311 to rise and fall, and its structure can be various, such as: square, circular, pentagonal, etc. Specifically, in some examples, the first mounting base 313 includes a first side plate 31a, a second side plate 31b, a third side plate 31c, and a fourth side plate 31d connected end to end. The first side plate 31a, the second side plate 31b, the third side plate 31c, and the fourth side plate 31d enclose a telescopic channel 31e. The first driver 312 can be disposed on the first side plate 31a, and the second side plate 31b is connected to the amplitude adjustment mechanism 500.

[0049] For further information, please refer to Figure 2 and Figure 3 The lifting assembly 310 further includes a first gear 314 and a transmission member 315. The transmission member 315 is disposed on the lifting member 311. The first gear 314 is connected to the output end of the first driver 312 and cooperates with the transmission member 315 to drive the lifting member 311 to move up and down along the vertical direction a. Therefore, when the first driver 312 drives the first gear 314 to rotate, the transmission member 315 drives the lifting member 311 to move up and down along the vertical direction a.

[0050] It should be noted that in this embodiment, the first driver 312 is a motor. To stabilize the output rotational force, a speed reducer may be provided between the first driver 312 and the first gear 314. The transmission member 315 may be configured in a variety of ways, such as being a first rack; a combination of a lead screw and a slider; or a chain meshing with the first gear 314.

[0051] When the transmission member 315 is a first rack, the transmission member 315 needs to extend along the vertical direction a on the lifting member 311. In this way, when the first gear 314 drives the transmission member 315 to move, it can drive the lifting member 311 to move up and down. In addition, there are various ways to fix the transmission member 315 to the lifting member 311, such as but not limited to bolting, clamping, welding, riveting, etc.

[0052] In some embodiments, please refer to Figure 3 The lifting assembly 310 further includes a sliding member 316, which is disposed on the inner wall of the telescopic channel 31e and slides with the lifting member 311. Thus, the sliding member 316 allows the lifting member 311 to move smoothly in the telescopic channel 31e, thereby achieving stable lifting.

[0053] It should be noted that there are many ways to cooperate between the sliding member 316 and the lifting member 311, such as: setting a groove on the sliding member 316, and partially inserting the lifting member 311 into the groove; or setting a groove on the lifting member 311, and partially inserting the sliding member 316 into the groove, etc.

[0054] Meanwhile, the number of the sliding member 316 can be one or two. When there are two sliding members 316, the two sliding members 316 are respectively arranged on two opposite inner walls of the telescopic channel 31e to further improve the lifting stability of the lifting member 311.

[0055] In some embodiments, please refer to Figure 4 The rotary assembly 320 further includes a second driver 321, a second mounting seat 322, a second gear 323, and a first slewing support 324. The second mounting seat 322 is connected to the lifting assembly 310, and the second gear 323 meshes with the first slewing support 324. Both are located within the second mounting seat 322. The second gear 323 is connected to the second driver 321, and the first slewing support 324 is connected to the shoveling member 330, thereby driving the shoveling member 330 to rotate about the vertical direction a. Therefore, when the shoveling surface of the shoveling member 330 is not oriented in the discharge direction, the second driver 321 can be used to drive the second gear 323 to rotate, causing the first slewing support 324 to rotate, thereby driving the shoveling member 330 to rotate, thereby changing the orientation of the shoveling surface of the shoveling member 330.

[0056] It should be noted that the second driver 321 can be a motor. To ensure stable power output, a speed reducer can be provided between the second driver 321 and the second gear 323. Furthermore, the second mounting base 322 can include a mounting plate 32a and a cover 32b. The mounting plate 32a and the cover 32b can accommodate the first slewing bearing 324. The first slewing bearing 324 can be an annular structure with teeth on its outer surface that mesh with the second gear 323.

[0057] In some embodiments, please refer to Figure 1 , further comprising a third driver 400. The lifting assembly 310 is provided with a first connecting seat 317640 and a second connecting seat 318640 spaced apart along the vertical direction a. The first connecting seat 317640 is rotatably connected to the luffing mechanism 500. The third driver 400 is disposed on the luffing mechanism 500, and its output end is rotatably connected to the second connecting seat 318640, used to drive the lifting assembly 310 to rotate about the first connecting seat 317640. As can be seen, when the shovel member 330 is inserted into the cargo, the luffing mechanism 500 can be extended and retracted, driving the shovel member 330 to move back and forth within the cargo, thereby shoveling the cargo. Simultaneously, the third driver 400 can drive the lifting assembly 310 to rotate about the first connecting seat 317640, causing the unloading mechanism 300 to swing as a whole, thereby enabling the shovel member 330 to better unload the cargo from the unloading area 200 and load the cargo.

[0058] The third driver 400 may be, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, an electric cylinder, etc.

[0059] In some embodiments, please refer to Figure 5 The amplitude-changing mechanism 500 includes a first amplitude-changing member 510, a second amplitude-changing member 520, a third amplitude-changing member 530, a first power assembly 540, and a second power assembly 550. The second amplitude-changing member 520 is slidably disposed within the first amplitude-changing member 510, and the third amplitude-changing member 530 is slidably disposed within the second amplitude-changing member 520. The end of the third amplitude-changing member 530 away from the second amplitude-changing member 520 is connected to the lifting assembly 310. The first power assembly 540 is used to drive the second amplitude-changing member 520 to extend and retract within the first amplitude-changing member 510, and the second power assembly 550 is used to drive the third amplitude-changing member 530 to extend and retract within the second amplitude-changing member 520. It can be seen that the amplitude-changing mechanism 500 has at least two stages of extension and retraction. During the unloading process, the first power component 540 can be used to drive the second amplitude changing member 520 to extend relative to the first amplitude changing member 510; the second power component 550 can also be used to drive the third amplitude changing member 530 to extend relative to the second amplitude changing member 520, so that the unloading mechanism 300 extends above the unloading area 200.

[0060] It should be noted that the second amplitude-changing member 520 can extend and retract relative to the first amplitude-changing member 510. To improve the stability of this extension, a slider structure can be provided between the first and second amplitude-changing members 510, 520. Furthermore, reinforcement structures can be provided on the first and second amplitude-changing members 510, 520 to enhance the overall structural strength of the amplitude-changing mechanism 500. Furthermore, to prevent the second amplitude-changing member 520 from slipping off the first amplitude-changing member 510, a stopper structure can be provided at the end of the first amplitude-changing member 510 to limit the extension and retraction range of the second amplitude-changing member 520.

[0061] At the same time, the third amplitude-changing member 530 can extend and retract relative to the second amplitude-changing member 520. To improve the stability of this extension, a slider structure can be provided between the second and third amplitude-changing members 520, 530. Furthermore, reinforcement structures can be provided on the second and third amplitude-changing members 520, 530 to enhance the overall structural strength of the amplitude-changing mechanism 500. Furthermore, to prevent the third amplitude-changing member 530 from slipping off the second amplitude-changing member 520, a stopper structure can be provided at the end of the second amplitude-changing member 520 to limit the extension and retraction range of the third amplitude-changing member 530.

[0062] Optionally, the first power assembly 540 may be, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, an electric cylinder, etc. The second power assembly 550 may also be, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, an electric cylinder, etc. Of course, the second power assembly 550 may also be a combination of a motor and a rack and pinion, or a combination of a motor and a screw mechanism.

[0063] In addition, to ensure that the amplitude changing mechanism 500 operates more smoothly, a configuration structure may be provided at one end of the first amplitude changing member 510 away from the second amplitude changing member 520 to prevent the risk of the entire unloading device tipping over.

[0064] For further information, please refer to Figure 5 and Figure 6 The second power assembly 550 includes a fourth driver 551, a third gear 552, and a second rack 553. The fourth driver 551 is disposed on the second amplitude-changing member 520. The third gear 552 is connected to the output end of the fourth driver 551 and is at least partially located within the second amplitude-changing member 520. The second rack 553 is disposed on the third amplitude-changing member 530 and meshes with the third gear 552. Therefore, when the third amplitude-changing member 530 is extended or retracted, the fourth driver 551 can drive the third gear 552 to rotate, causing the second rack 553 to move under the drive of the third gear 552, thereby achieving the extension and retraction of the third amplitude-changing member 530.

[0065] It should be noted that to ensure the installation of the fourth driver 551, the second power assembly 550 may further include a fixed base 554, which is disposed on the second amplitude-changing member 520, and the fourth driver 551 is disposed on the fixed base 554. The fourth driver 551 is a motor. To ensure stable power output, a speed reducer may be provided between the fourth driver 551 and the third gear 552. Furthermore, the structure of the fixed base 554 may be designed in a variety of ways. For example, the fixed base 554 may include a fixed plate 55b, a reinforcing plate 55a, and reinforcing ribs 55c. The reinforcing plate 55a is disposed on the second amplitude-changing member 520, the fixed plate 55b is disposed on the reinforcing plate 55a, the third gear 552 is rotatably connected to the fixed plate 55b, and reinforcing ribs 55c may be provided between the fixed plate 55b and the reinforcing plate 55a, and between the reinforcing plate 55a and the second amplitude-changing member 520.

[0066] It should also be noted that the second rack 553 may be connected to the third amplitude-changing member 530 by, but is not limited to, bolting, clamping, riveting, welding, etc. Furthermore, to facilitate the third gear 552 to be at least partially located within the second amplitude-changing member 520 and meshing with the second rack 553, an opening may be provided on the side of the second amplitude-changing member 520, through which the third gear 552 at least partially extends into the second amplitude-changing member 520.

[0067] In some embodiments, reference Figure 8 and Figure 9 The lifting mechanism 100 includes: at least two lifting components, each lifting component is connected in sequence and is movably arranged along the vertical direction a; wherein each adjacent two lifting components have a folded position folded with each other and an unfolded position unfolded along the vertical direction a.

[0068] It should be noted that when unloading bulk cargo in the unloading area 200, the luffing mechanism 500 used for unloading can be connected to the jacking mechanism 100. That is, the jacking mechanism 100 drives the luffing mechanism 500 to rise and fall, and then the shovel member 330 is extended from top to bottom into the unloading area 200 to be unloaded. The shovel member 330 is used to load the cargo, and then the jacking mechanism 100 drives the luffing mechanism 500 to rise and fall again, and the shovel member 330 is removed from the unloading area 200. After removal, the luffing mechanism 500 can be moved to the corresponding receiving position and unloading can be carried out.

[0069] When the jacking assembly moves upward along the vertical direction a, the two adjacent jacking assemblies gradually switch from the folded position to the unfolded position. When the jacking assembly moves upward to the highest point, the two adjacent jacking assemblies are now in the unfolded position.

[0070] In some embodiments, the lifting mechanism 100 includes a first lifting assembly, a second lifting assembly, and a third lifting assembly. The first lifting assembly and the second lifting assembly are movably connected along a vertical direction a, and the second lifting assembly and the third lifting assembly are movably connected along a vertical direction a. The first lifting assembly and the second lifting assembly, and the second lifting assembly and the third lifting assembly each have a folded position and an unfolded position.

[0071] Specifically, the first jacking assembly, the second jacking assembly and the third jacking assembly are sequentially arranged from the inside to the outside, and the lower end of the first jacking assembly is fixed to the walking mechanism 700, the second jacking assembly is arranged on the outside of the first jacking assembly, and the second jacking assembly can move relative to the first jacking assembly along the vertical direction a.

[0072] Furthermore, the third jacking assembly is sleeved on the outside of the second jacking assembly, and the third jacking assembly can move relative to the second jacking assembly along the vertical direction a.

[0073] The first lifting assembly is fixed to the walking mechanism 700, that is, the first lifting assembly itself cannot move in the vertical direction a, but cooperates with the second lifting assembly and the third lifting assembly to achieve folding and unfolding in the vertical direction a.

[0074] Initially, the first, second, and third lifting assemblies are all in a folded position, i.e., folded relative to each other. As the second lifting assembly moves upward relative to the first, the first and second lifting assemblies gradually shift from the folded position to the deployed position. When the second lifting assembly reaches its highest point, the total height of the lifting mechanism 100 is the sum of the heights of the first and second lifting assemblies.

[0075] Furthermore, as the third lifting assembly moves upward relative to the second lifting assembly, the second and third lifting assemblies gradually shift from a folded position to an unfolded position. When the third lifting assembly reaches its highest point, the total height of the lifting mechanism 100 is the sum of the heights of the first, second, and third lifting assemblies.

[0076] It is understandable that in some other embodiments, the number of jacking components can be increased according to actual needs, for example, four or more jacking components can be provided to achieve higher height requirements, which will not be elaborated here.

[0077] In some embodiments, the jacking mechanism 100 further includes a driving assembly 50 connected to the third jacking assembly, and the driving assembly 50 is used to drive the third jacking assembly and the second jacking assembly to move along the vertical direction a.

[0078] Specifically, the drive assembly 50 is disposed on the third lifting assembly and is in driving connection with the third lifting assembly. Thus, the drive assembly 50 can drive the third lifting assembly to move in the vertical direction a, thereby driving the second lifting assembly connected to the third lifting assembly to move in the vertical direction a, ultimately achieving the folding and unfolding of the lifting mechanism 100.

[0079] like Figure 10 As shown, in some embodiments, the first jacking assembly, the second jacking assembly, and the third jacking assembly each include a connecting bracket 60. The connecting bracket 60 of the first jacking assembly is fixedly connected to the traveling mechanism 700, and the connecting brackets 60 of the first jacking assembly, the second jacking assembly, and the third jacking assembly are slidably connected along the vertical direction a. The driving assembly 50 includes a telescopic rod 51 and a driving member 52 for driving connection. The driving member 52 is fixed to the third jacking assembly. The end of the telescopic rod 51 facing away from the driving member 52 is fixed to the traveling mechanism 700, and the telescopic rod 51 is sequentially arranged along the vertical direction a through the connecting brackets 60 of the first jacking assembly, the second jacking assembly, and the third jacking assembly.

[0080] Specifically, the first jacking assembly, the second jacking assembly and the third jacking assembly all include a connecting bracket 60, wherein the bottom end of the connecting bracket 60 of the first jacking assembly is fixed to the walking mechanism 700, and then the connecting bracket 60 of the second jacking assembly is sleeved on the outside of the connecting bracket 60 of the first jacking assembly, and the connecting bracket 60 of the third jacking assembly is sleeved on the outside of the second jacking assembly.

[0081] The connecting bracket 60 of the second jacking assembly is slidably connected to the connecting bracket 60 of the first jacking assembly, so that the second jacking assembly can slide along the vertical direction a. The connecting bracket 60 of the third jacking assembly is slidably connected to the connecting bracket 60 of the second jacking assembly, so that the third jacking assembly can slide along the vertical direction a.

[0082] The drive assembly 50 further includes a telescopic rod 51 and a drive member 52. The drive member 52 may be, but is not limited to, a hydraulic cylinder, with the telescopic rod 51 being drivably connected to the hydraulic cylinder. Furthermore, the top end of the telescopic rod 51 is drivably connected to the hydraulic cylinder. The telescopic rod 51 extends in a vertical direction a and is located within the connecting bracket 60 of the first, second, and third lifting assemblies. The bottom end of the telescopic rod 51, i.e., the end facing away from the drive member 52, is fixed to the traveling mechanism 700.

[0083] Therefore, in the initial state, the telescopic rod 51 is in a retracted state. At this point, the hydraulic cylinder drives the telescopic rod 51 to extend, which first drives the connecting bracket 60 of the third jacking assembly to slide upward. Then, driven by the connecting bracket 60 of the third jacking assembly, the connecting bracket 60 of the second jacking assembly slides upward until the third jacking assembly reaches its highest point.

[0084] like Figure 11 and Figure 12 As shown, in some embodiments, the first lifting assembly further includes a first slider 61 disposed on its own connecting bracket 60. The first slider 61 is located on the outer side of the corresponding connecting bracket 60 away from the telescopic rod 51 and abuts and cooperates with the inner side surface of the connecting bracket 60 of the second lifting assembly. The second lifting assembly further includes a second slider 62 disposed on its own connecting bracket 60. The second slider 62 is located on the inner side of the corresponding connecting bracket 60 close to the telescopic rod 51 and abuts and cooperates with the outer side surface of the connecting bracket 60 of the first lifting assembly.

[0085] Specifically, the first slider 61 is disposed on the outer side of the first jacking assembly's connecting bracket 60 and horizontally engages with the inner side of the second jacking assembly's connecting bracket 60. This reduces the likelihood of horizontal shaking or deviation when the second jacking assembly's connecting bracket 60 slides upward, making movement in the vertical direction a more stable.

[0086] Furthermore, a second slider 62 is disposed on the inner side of the second jacking assembly's connecting bracket 60, and the second slider 62 abuts and engages horizontally with the outer side of the first jacking assembly's connecting bracket 60. Thus, when the second jacking assembly's connecting bracket 60 slides upward, the stability of movement in the vertical direction a can be further improved.

[0087] In some embodiments, in the vertical direction a, the projections of the first slider 61 and the second slider 62 on the walking mechanism 700 at least partially overlap. When the first lifting assembly and the second lifting assembly are in the expanded position, the first slider 61 and the second slider 62 abut against each other along the vertical direction a to limit the position.

[0088] Specifically, in the vertical direction a, the projections of the first slider 61 and the second slider 62 in the horizontal plane at least partially overlap. Thus, when the second lifting assembly moves upward to its highest point relative to the first lifting assembly, the first slider 61 and the second slider 62 can abut against each other in the vertical direction a, limiting the position of the first and second lifting assemblies in the vertical direction a and ensuring a stable connection between the two.

[0089] Therefore, the first slider 61 and the second slider 62 can not only improve the stability of the second jacking assembly moving in the vertical direction a, but also cooperate with each other to achieve the limitation of the first jacking assembly and the second jacking assembly in the vertical direction a.

[0090] like Figure 12 and Figure 13 As shown, in some embodiments, the second lifting assembly further includes a third slider 63 disposed on its own connecting bracket 60. The third slider 63 is located on the outer side of the corresponding connecting bracket 60 away from the telescopic rod 51 and abuts and cooperates with the inner side surface of the connecting bracket 60 of the third lifting assembly. The third lifting assembly further includes a fourth slider 64 disposed on its own connecting bracket 60. The fourth slider 64 is located on the inner side of the corresponding connecting bracket 60 close to the telescopic rod 51 and abuts and cooperates with the outer side surface of the connecting bracket 60 of the second lifting assembly.

[0091] Specifically, the third slider 63 is disposed on the outer side of the second jacking assembly's connecting bracket 60 and horizontally engages with the inner side of the third jacking assembly's connecting bracket 60. This reduces the likelihood of horizontal shaking or deviation when the third jacking assembly's connecting bracket 60 slides upward, making movement in the vertical direction a more stable.

[0092] Furthermore, a fourth slider 64 is disposed on the inner side of the connecting bracket 60 of the third jacking assembly, and the fourth slider 64 abuts and engages horizontally with the outer side of the connecting bracket 60 of the second jacking assembly. In this way, when the connecting bracket 60 of the third jacking assembly slides upward, the stability of movement in the vertical direction a can be further improved.

[0093] In some embodiments, in the vertical direction a, the projections of the third slider 63 and the fourth slider 64 on the walking mechanism 700 at least partially overlap. When the second lifting assembly and the third lifting assembly are in the expanded position, the third slider 63 and the fourth slider 64 abut against each other along the vertical direction a to limit the position.

[0094] Specifically, in the vertical direction a, the projections of the third slider 63 and the fourth slider 64 in the horizontal plane at least partially overlap. Thus, when the third lifting assembly moves upward to its highest point relative to the second lifting assembly, the third slider 63 and the fourth slider 64 can abut against each other in the vertical direction a, limiting the position of the second and third lifting assemblies in the vertical direction a and ensuring a stable connection between the two.

[0095] Therefore, the third slider 63 and the fourth slider 64 can not only improve the stability of the third jacking assembly moving in the vertical direction a, but also cooperate with each other to achieve the limitation of the second jacking assembly and the third jacking assembly in the vertical direction a.

[0096] In some embodiments, each connecting bracket 60 includes multiple first support beams 65 and multiple second support beams 66 . Each first support beam 65 is arranged around the outer periphery of the telescopic rod 51 , and each second support beam 66 is connected between every two adjacent first support beams 65 .

[0097] Specifically, each first support beam 65 can be extended along the vertical direction a, and each connecting bracket 60 includes four first support beams 65 , which are arranged in the horizontal direction to form a rectangular structure and are arranged around the outer periphery of the telescopic rod 51 .

[0098] Furthermore, the second support beam 66 can be connected between two adjacent first support beams 65, and each second support beam 66 is arranged at an angle, which can effectively improve the connection stability between the two adjacent first support beams 65 and make the overall structure of the connecting bracket 60 more stable.

[0099] According to one or more embodiments, when the present application is used, the luffing mechanism 500 and the rotating mechanism 600 are first fixed to the top of the third lifting assembly, and the unloading mechanism 300 is connected to the end of the luffing mechanism 500. In the initial state, the first lifting assembly, the second lifting assembly, and the third lifting assembly are folded in sequence.

[0100] During the unloading process, the drive member 52 drives the telescopic rod 51 to extend, thereby driving the third jacking assembly and / or the second jacking assembly to move upward in the vertical direction a. At the same time, the luffing mechanism 500 extends and retracts horizontally, moving the unloading mechanism 300 above the unloading area 200 to be unloaded.

[0101] Furthermore, the driving member 52 drives the telescopic rod 51 to retract, so that the unloading mechanism 300 can smoothly extend into the unloading area 200 to be unloaded.

[0102] By controlling the unloading mechanism 300 to move relative to the amplitude changing mechanism 500 in the vertical direction a, the unloading mechanism 300 can be better adapted to the height of the cargo in the unloading area 200 , thereby better performing loading.

[0103] After loading is completed, the unloading mechanism 300 is driven to move and rise and fall by the luffing mechanism 500 and the jacking assembly, and the unloading mechanism 300 is moved to the target position for unloading.

[0104] In some embodiments, please refer to Figure 1 , further comprising a traveling mechanism 700; the traveling mechanism 700 comprises a chassis 730, a fifth driver 710 connected to the chassis 730, and a traveling platform 720. The lifting mechanism 100 is disposed on the chassis 730, and the fifth driver 710 is used to drive the traveling platform 720 to move. Thus, during the unloading process, the fifth driver 710 can be used to drive the traveling platform 720 to move, causing the unloading device to move to the front of the target unloading area 200, thereby achieving automatic unloading operation.

[0105] The fifth driver 710 can be a motor. The travel mechanism 700 can also include a heat sink 740, a hydraulic system control box 770, a power battery cabinet 750, and an electrical control cabinet 760. The travel platform 720 can be, but is not limited to, a crawler track connected to the underside of the chassis 730. The crawler track drives the chassis 730 in horizontal motion, thereby driving the first, second, and third lifting assemblies on the chassis 730 to move synchronously in the horizontal direction.

[0106] It should be noted that the unloading area 200 to be unloaded is usually located on a rail, and a slope is usually provided between the rail and the ground for connection. The chassis 730 is driven by tracks to move, so that it can move more stably on different road surfaces.

[0107] In some embodiments, please refer to Figure 14 The present application provides a method for controlling unloading of a vehicle, using any of the above unloading devices for bulk cargo, the method comprising the following steps:

[0108] S100, controlling the lifting mechanism 100 to drive the luffing mechanism 500 to rise to a preset height;

[0109] S200, controlling the rotating mechanism 600 to drive the luffing mechanism 500 to rotate about the vertical direction a, and controlling the luffing mechanism 500 to extend along its own length direction, so that the unloading mechanism 300 is located above the unloading area 200;

[0110] S300, controlling the movement of the lifting assembly 310 and the rotating assembly 320 so that the shoveling member 330 is inserted into the cargo in the unloading area 200, and the direction of the shoveling member 330 is adjusted by rotation;

[0111] S400 , controlling the amplitude-changing mechanism 500 to extend and retract along its own length direction, so that the shoveling member 330 shovels the cargo.

[0112] The above-mentioned unloading control method adopts the above-mentioned unloading device for bulk cargo. During the unloading process, the luffing mechanism 500 is lifted to a preset height along the vertical direction a by the jacking mechanism 100; the luffing mechanism 500 is driven to rotate around the vertical direction a by the rotating mechanism 600, so that the unloading mechanism 300 is directed toward the unloading area 200; then, the luffing mechanism 500 is extended so that the unloading mechanism 300 is located above the unloading area 200; after reaching the top of the unloading area 200, the shoveling member 330 is driven by the lifting component 310 to reach and insert into the cargo in the unloading area 200, and the shoveling member 330 is driven to rotate around the vertical direction a by the rotating component 320 to change the direction of the shoveling member 330; finally, the shoveling member 330 shovels the cargo off through the telescopic function of the luffing mechanism 500 to complete the automatic unloading operation. This design, through coordinated control between different mechanisms, significantly improves unloading efficiency, resolving the inefficiency of traditional manual unloading methods. Furthermore, by precisely controlling the movements of the mechanisms, it effectively reduces damage to the vehicle body during unloading, extending the service life of railway transportation equipment. Furthermore, by reducing manual intervention, this device significantly reduces labor costs, reduces operator workload, and improves work safety.

[0113] It should be noted that, when one of the unloading areas 200 has completed unloading, but the other unloading areas 200 have not yet completed unloading, the unloading device can be moved to the target position to carry out unloading in the next unloading area 200.

[0114] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0115] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A device for unloading bulk cargo, characterized in that: The unloading device for bulk cargo comprises: The unloading mechanism includes a lifting assembly, a rotating assembly, and a shoveling member, wherein the lifting assembly is connected to the rotating assembly and is used to drive the rotating assembly to rise and fall in a vertical direction, and the rotating assembly is connected to the shoveling member and is used to drive the shoveling member to rotate around the vertical direction; a luffing mechanism connected to the lifting assembly, for driving the lifting assembly to extend and retract along the length direction of the luffing mechanism, wherein the length direction of the luffing mechanism intersects with the vertical direction; a rotating mechanism connected to the luffing mechanism, and configured to drive the luffing mechanism to rotate about the vertical direction; The lifting mechanism is connected to the rotating mechanism and is used to drive the rotating mechanism to rise and fall along the vertical direction.

2. The unloading device for bulk cargo according to claim 1, characterized in that: The lifting assembly includes a first driver, a first mounting seat and a lifting member. The first mounting seat has a telescopic channel. The lifting member is slidably arranged on the inner wall of the telescopic channel. The first driver is used to drive the lifting member to rise and fall along the vertical direction. The first mounting seat is connected to the amplitude variation mechanism.

3. The unloading device for bulk cargo according to claim 2, characterized in that: The lifting assembly further includes a first gear and a transmission member, wherein the transmission member is provided on the lifting member, the first gear is connected to the output end of the first driver and cooperates with the transmission member to drive the lifting member to move up and down along the vertical direction; and / or, The lifting assembly further includes a sliding member, which is arranged on the inner wall of the telescopic channel and slidably cooperates with the lifting member.

4. The unloading device for bulk cargo according to claim 1, characterized in that: The rotary assembly also includes a second driver, a second mounting seat, a second gear and a first rotary support. The second mounting seat is connected to the lifting assembly, the second gear is engaged with the first rotary support and both are arranged in the second mounting seat, the second gear is connected to the second driver, and the first rotary support is connected to the shoveling member to drive the shoveling member to rotate in a vertical direction.

5. The unloading device for bulk cargo according to claim 1, characterized in that: The lifting assembly further includes a third driver. The first connecting seat and the second connecting seat are spaced apart along the vertical direction. The first connecting seat is rotatably connected to the amplitude varying mechanism. The third driver is provided on the amplitude varying mechanism, and its output end is rotatably connected to the second connecting seat, so as to drive the lifting assembly to rotate around the first connecting seat.

6. The unloading device for bulk cargo according to any one of claims 1 to 5, characterized in that: The amplitude changing mechanism includes a first amplitude changing member, a second amplitude changing member, a third amplitude changing member, a first power assembly and a second power assembly. The second amplitude changing member is slidably inserted into the first amplitude changing member, and the third amplitude changing member is slidably inserted into the second amplitude changing member. One end of the third amplitude changing member away from the second amplitude changing member is connected to the lifting assembly. The first power assembly is used to drive the second amplitude changing member to extend and retract within the first amplitude changing member, and the second power assembly is used to drive the third amplitude changing member to extend and retract within the second amplitude changing member.

7. The unloading device for bulk cargo according to claim 6, characterized in that: The second power assembly includes a fourth driver, a third gear and a second rack. The fourth driver is arranged on the second amplitude varying member. The third gear is connected to the output end of the fourth driver and is at least partially located in the second amplitude varying member. The second rack is arranged on the third amplitude varying member and meshes with the third gear.

8. The unloading device for bulk cargo according to any one of claims 1 to 5, characterized in that: The jacking mechanism comprises: At least two lifting assemblies, each of which is connected in sequence and movably arranged in a vertical direction; Wherein, each adjacent two lifting assemblies have a folded position for folding with each other and an unfolded position for unfolding along the vertical direction.

9. The unloading device for bulk cargo according to any one of claims 1 to 5, characterized in that: Also includes walking mechanism; The walking mechanism includes a chassis, a fifth driver connected to the chassis, and a walking platform. The lifting mechanism is arranged on the chassis, and the fifth driver is used to drive the walking platform to move.

10. A method for controlling unloading of a vehicle, using the unloading device for bulk cargo according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: Control the jacking mechanism to drive the luffing mechanism to lift to the preset height; Controlling the rotating mechanism to drive the luffing mechanism to rotate in a vertical direction, and controlling the luffing mechanism to extend along its own length direction so that the unloading mechanism is above the unloading area; Controlling the movement of the lifting assembly and the rotating assembly so that the shoveling member is inserted into the cargo in the unloading area and rotating to adjust the direction of the shoveling member; The amplitude-changing mechanism is controlled to extend and retract along its own length direction so that the shoveling member shovels the cargo.

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