Heavy-load template chain loading and unloading vehicle

Abstract

The utility model relates to the technical field of loading and unloading vehicles, in particular to a heavy-load template chain loading and unloading vehicle which comprises a vehicle body, a compartment body and a bottom frame, the compartment body is arranged on the vehicle body through the bottom frame, and a conveying device, a driving device and a baffle assembly are arranged in the compartment body. The conveying device comprises a plurality of chain plate structures arranged in an arrayed mode and further comprises a chain and chain wheel mechanism, the chain plate structures are connected with the driving device through the chain and chain wheel mechanism, and the baffle assembly is connected with the chain plate structures. The chain plate structure comprises a bearing plate, the two ends of the bearing plate are connected with the chain and chain wheel mechanism, the two sides of the bearing plate are connected with a first bent plate and a second bent plate respectively, and an acute angle is formed between the first bent plate and / or the second bent plate and the bearing plate. According to the utility model, the possibility of jamming of the transportation mechanism can be reduced, and the transportation stability and the transportation efficiency of the transportation mechanism are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of loading and unloading vehicle, more particularly to a heavy load type plate chain loading and unloading vehicle. BACKGROUND

[0002] It is the development trend of the transportation industry and the warehousing industry to realize high turnover rate of goods and vehicles. Under this trend, various loading and unloading devices have emerged. At present, the main way to load and unload goods into the box car is to use a forklift to carry a pallet into the car for loading and unloading. Although this method can improve efficiency compared to manual handling, the frequent entry and exit of the forklift into the car can cause damage to the chassis of the vehicle to varying degrees. Alternatively, a lifting fork arm loading and unloading platform can be used to load and unload pallets in whole, but this device occupies a large area and has limited flexibility.

[0003] Therefore, there is currently a transport mechanism arranged in the car. The goods are transported from the front end of the car to the rear end of the car by the transport mechanism in the car, which can have good transport efficiency. However, in actual operation, adjacent parts in the transport mechanism are prone to interfere with each other at the transmission corner, causing the transport mechanism to jam, which can seriously affect the transport efficiency of the loading and unloading vehicle. SUMMARY

[0004] The utility model aims at overcoming the deficiency that the transport mechanism of the prior art is prone to interference at the corner, and provides a heavy load type plate chain loading and unloading vehicle, which can reduce the possibility of jamming of the transport mechanism and improve the transport stability and efficiency of the transport mechanism.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A heavy load type plate chain loading and unloading vehicle is provided, which comprises a vehicle body, a car body, a chassis, the car body is arranged on the vehicle body through the chassis, the car body is provided with a transport device, a driving device and a baffle assembly; the transport device comprises a plurality of chain plate structures arranged in line, and further comprises a chain and sprocket mechanism, the chain plate structure is connected with the driving device through the chain and sprocket mechanism, and the baffle assembly is connected with the chain plate structure; wherein the chain plate structure comprises a supporting plate, both ends of the supporting plate are connected with the chain and sprocket mechanism, and both sides of the supporting plate are respectively connected with a first bending plate and a second bending plate, and the first bending plate and / or the second bending plate are arranged at an acute angle with the supporting plate.

[0007] The utility model discloses a heavy -duty plate chain loading and unloading car, and drive arrangement can drive transportation device, and then can drive baffle subassembly in the compartment body through the chain plate structure of transportation device and realize the transportation of goods from the front end to the rear end of compartment body, the setting of first bellowed board and second bellowed board can enhance the strength of support plate, and can reduce the possibility of the deformation of chain plate structure, and the setting of first bellowed board and / or second bellowed board and support plate is acute angle, can reduce the mutual interference between adjacent chain plate structure at transmission corner, reduce the possibility of transportation device jam, improve the transportation stability and transportation efficiency of transportation device.

[0008] Preferably, the bottom frame is connected with an arc-shaped track corresponding to the position of the rear wheel of the vehicle body, and the chain and sprocket mechanism passes through the arc-shaped track.

[0009] Preferably, the transportation device is provided with multiple columns, the bottom frame includes two side beams located on the outer side, multiple longitudinal beams arranged between the two side beams, and a cross beam, the side beams and the longitudinal beams are connected with the cross beam, the transportation device is arranged between two adjacent longitudinal beams and between the side beam and the longitudinal beam adjacent thereto, and the compartment body is connected with the side beam.

[0010] Preferably, the upper part and the lower part of the side beam are respectively connected with a pad rail and a chain plate support, the upper part and the lower part of the longitudinal beam are also respectively connected with the pad rail and the chain plate support, the both ends of the support plate are connected with an extension plate for covering the chain and sprocket mechanism, in the transportation device located on the upper surface of the cross beam, the chain and sprocket mechanism is slidably arranged on the pad rail, and in the transportation device located on the lower surface of the cross beam, the extension plate is slidably arranged on the chain plate support.

[0011] Preferably, the drive device includes a driving shaft mechanism and a driven shaft mechanism arranged on the bottom frame, and the both ends of the chain and sprocket mechanism are connected with the driving shaft mechanism and the driven shaft mechanism respectively.

[0012] Preferably, a tensioning mechanism is arranged at the driven shaft mechanism, the tensioning mechanism includes a top base, a top rod sleeve, a top rod, and a top screw, the top rod sleeve is connected with the bottom frame through the top base, the top rod is slidably inserted into the top rod sleeve, one end of the top rod abuts against the driven shaft mechanism, the other end of the top rod abuts against the top screw, and the top screw is threadedly connected with the top base.

[0013] Preferably, the vehicle body includes a chassis and a driving vehicle head arranged on the chassis, the compartment body is connected with the chassis through the bottom frame, the driving shaft mechanism includes a driving motor, the driving motor is arranged in one end of the compartment body close to the driving vehicle head, and the baffle subassembly is provided with a clearance for the driving motor.

[0014] Preferably, a guide mechanism is arranged between the compartment and the baffle assembly.

[0015] Preferably, the guide mechanism comprises a plurality of guide wheels connected to the side of the baffle assembly, and a plurality of guide rails connected to the inner side wall of the compartment, the guide wheels being slidingly connected to the guide rails.

[0016] Preferably, the inner side wall of the compartment is provided with a plurality of edge structures for avoiding scratching of the baffle assembly.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The driving device can drive the transportation device, and then the chain plate structure of the transportation device can drive the baffle assembly to move in the compartment to realize transportation of goods from the front end to the rear end of the compartment; the first and second bent plates can enhance the strength of the supporting plate and reduce the possibility of deformation of the chain plate structure; the first and / or second bent plates are arranged at an acute angle with the supporting plate, which can reduce the mutual interference between adjacent chain plate structures at the transmission corner, reduce the possibility of jamming of the transportation device, and improve the transportation stability and efficiency of the transportation device;

[0019] 2. The arc-shaped track can avoid interference of the rear wheel with the chain and sprocket mechanism, and improve the transportation stability;

[0020] 3. The transportation device has a plurality of columns, which can improve the structural stability of the transportation device;

[0021] 4. The guide mechanism can improve the movement stability of the baffle assembly in the compartment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the heavy-load type plate chain loading and unloading vehicle of the utility model;

[0023] Figure 2 It is a structural schematic view of the chain plate structure and the chain and sprocket mechanism of the utility model; Figure 1 It is an enlarged schematic view of the I part;

[0024] Figure 3 It is a structural schematic view of the chain plate structure and the chain and sprocket mechanism of the utility model;

[0025] Figure 4 It is an enlarged schematic view of the J part; Figure 1

[0026] Figure 5 It is a structural schematic view of the driving shaft mechanism, the chain plate structure and the chain and sprocket mechanism of the utility model;

[0027] Figure 6 It is a structural schematic view of the driving shaft mechanism, the chain plate structure and the chain and sprocket mechanism of the utility model; Figure 1 ​Enlarged view of the middle K portion;

[0028] Figure 7 Structure schematic view of the driven shaft mechanism and the tensioning mechanism of the utility model;

[0029] Figure 8 Structure schematic view of the rear end view of the heavy load type plate chain loading and unloading vehicle of the utility model;

[0030] Figure 9 For Figure 8 Enlarged view of the middle L portion;

[0031] Figure 10 Structure schematic view of the chassis and the chain plate structure of the utility model;

[0032] Figure 11 For Figure 10 Enlarged view of the middle M portion;

[0033] Figure 12 For Figure 10 Enlarged view of the middle N portion.

[0034] In the drawings: 110, compartment; 111, baffle structure; 112, buffer supporting edge; 120, chassis; 130, driving vehicle head; 200, chassis; 210, edge beam; 211, L-shaped carrying edge; 212, first carrying edge; 213, second carrying edge; 220, longitudinal beam; 230, cross beam; 240, pad rail; 250, chain plate support; 300, baffle assembly; 310, empty space; 410, chain plate structure; 411, supporting plate; 412, first bent plate; 413, second bent plate; 414, extension plate; 420, chain and sprocket mechanism; 421, single ear chain link; 422, first sprocket; 423, second sprocket; 500, arc-shaped track; 600, driving shaft mechanism; 610, driving wheel; 620, driving shaft; 630, first bearing seat; 640, driving motor; 650, shaft coupling; 700, driven shaft mechanism; 710, driven shaft; 720, second bearing seat; 800, tensioning mechanism; 810, top seat; 820, top rod sleeve; 830, top rod; 840, top wire; 900, guide mechanism; 910, guide wheel; 920, guide rail. DETAILED DESCRIPTION

[0035] The utility model will be further described below in combination with specific implementation manners. Among them, the drawings are only used for example description, and the representation is only a schematic view, and not a physical drawing, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some known structures and their description in the drawings can be omitted.

[0036] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0037] Embodiment one

[0038] As Figures 1 to 12 shown is a first embodiment of the heavy-duty plate chain loading and unloading vehicle, comprising a vehicle body, a compartment 110, a chassis 200, the compartment 110 is installed on the vehicle body through the chassis 200, the compartment 110 is provided with a transportation device, a driving device, and a baffle assembly 300; the transportation device comprises a plurality of chain plate structures 410 arranged, further comprising a chain and sprocket mechanism 420, the chain plate structure 410 is connected with the driving device through the chain and sprocket mechanism 420, the baffle assembly 300 is connected with the chain plate structure 410; wherein the chain plate structure 410 comprises a supporting plate 411, the baffle assembly 300 is connected with the supporting plate 411, the two ends of the supporting plate 411 are connected with the chain and sprocket mechanism 420, the two sides of the supporting plate 411 are respectively connected with a first bending plate 412 and a second bending plate 413, the first bending plate 412 and the second bending plate 413 are both extended in the direction of the chain and sprocket mechanism 420, and one or both of the first bending plate 412 and the second bending plate 413 are arranged at an acute angle with the supporting plate 411.

[0039] The driving device can drive the transportation device, and then the chain plate structure 410 of the transportation device can drive the baffle assembly 300 to move in the compartment 110 to realize the transportation of goods from the front end to the rear end of the compartment 110; the arrangement of the first bending plate 412 and the second bending plate 413 can enhance the strength of the supporting plate 411 and reduce the possibility of deformation of the chain plate structure 410; the arrangement of the first bending plate 412 and / or the second bending plate 413 at an acute angle with the supporting plate 411 can reduce the mutual interference between adjacent chain plate structures 410 at the transmission corner, reduce the possibility of jamming of the transportation device, and improve the transportation stability and efficiency of the transportation device. In the present embodiment, the first bending plate 412 is arranged at an acute angle with the supporting plate 411, and the first bending plate 412 and the supporting plate 411 are circularly transitioned; the second bending plate 413 is perpendicular to the supporting plate 411, and the second bending plate 413 and the supporting plate 411 are circularly transitioned, as shown in Figure 3 .

[0040] As shown in Figure 1 and Figure 8 , the vehicle body includes a chassis 120, a driving vehicle head 130 mounted on the chassis 120, a compartment 110 connected to the chassis 120 through a bottom frame 200, one end of the compartment 110 close to the driving vehicle head 130 is the front end, and the other end away from the driving vehicle head 130 is the rear end, the transport device can drive the baffle assembly 300 to reciprocate between the front end and the rear end of the compartment 110; the plurality of chain plate structures 410 in the transport device are arranged in the direction from the front end to the rear end of the compartment 110, and the two ends of the supporting plate 411 are extended along the left and right sides of the compartment 110.

[0041] As shown in Figure 5 , Figure 7 , Figures 8 to 10 , the transport device is provided with multiple rows, the bottom frame 200 includes two side beams 210 located on the outside, multiple longitudinal beams 220 arranged between the two side beams 210, and a cross beam 230, the side beams 210 and the longitudinal beams 220 are connected with the cross beam 230; the transport device is mounted between adjacent two longitudinal beams 220 and between the side beam 210 and the longitudinal beam 220 adjacent to it; the compartment 110 is connected with the side beam 210, and the longitudinal beam 220 is connected with the chassis 120. In this embodiment, the side beam 210 and the cross beam 230, and the longitudinal beam 220 and the cross beam 230 can be connected by welding. Specifically, the transport device is provided with three rows, and the longitudinal beam 220 is provided with two; one of the transport devices is arranged between the two longitudinal beams 220, and the other two transport devices are arranged between the side beam 210 and the longitudinal beam 220 adjacent to the side beam 210.

[0042] As shown in Figures 3 to 6 , and Figure 10 , the chain and sprocket mechanism 420 includes a chain composed of a plurality of single ear chain links 421, and a first sprocket 422 and a second sprocket 423, the chain is in transmission connection with the first sprocket 422 and the second sprocket 423, and the two ends of the supporting plate 411 are connected with the single ear chain links 421; in the plurality of chain plate structures 410 arranged, the first bending plate 412 of any one chain plate structure 410 and the second bending plate 413 of the chain plate structure 410 adjacent to it correspond in position, so that the chain plate structures 410 at the first sprocket 422 and the second sprocket 423 can greatly reduce the interference between each other due to the acute angle, reduce the possibility of jamming of the transport device, and improve the transport stability and transport efficiency of the transport device, as shown in Figure 3 and Figure 6 .

[0043] As shown in Figure 4 , Figure 5 , Figure 7 andFigure 10 As shown, the driving device comprises a driving shaft mechanism 600 and a driven shaft mechanism 700 arranged on the underframe 200, and the two ends of the chain and sprocket mechanism 420 are connected with the driving shaft mechanism 600 and the driven shaft mechanism 700 respectively. In this embodiment, the fixed end of the driving shaft mechanism 600 is connected with the crossbeam 230 at the front end of the compartment 110, and the fixed end of the driven shaft mechanism 700 can be connected with the crossbeam 230 at the rear end of the compartment 110; the first sprocket 422 is in driving connection with the driving shaft mechanism 600, and the second sprocket 423 is in driving connection with the driven shaft mechanism 700.

[0044] As shown in the figure, Figures 9 to 12 The upper part and the lower part of the side beam 210 are respectively connected with the pad rail 240 and the chain plate support 250, and the upper part and the lower part of the longitudinal beam 220 are also respectively connected with the pad rail 240 and the chain plate support 250; the two ends of the support plate 411 are connected with the extension plate 414 for covering the single ear chain link 421; in the transportation device on the upper surface of the crossbeam 230, the single ear chain link 421 is slidably arranged on the pad rail 240; in the transportation device on the lower surface of the crossbeam 230, the extension plate 414 is slidably arranged on the chain plate support 250. Specifically, the side beam 210 comprises an L-shaped loading side 211, a first loading side 212 and a second loading side 213, the compartment 110 is loaded on the L-shaped loading side 211, the first loading side 212 and the second loading side 213 are respectively connected with the upper end and the lower end of the L-shaped loading side 211, and the first loading side 212 and the second loading side 213 both extend horizontally towards the crossbeam 230, the pad rail 240 is arranged on the first loading side 212 and extends along the front end to the rear end of the compartment 110, and the chain plate support 250 is arranged on the second loading side 213 and extends along the front end to the rear end of the compartment 110. Specifically, the cross section of the extension plate 414 can be arranged as a straight section structure or an L-shaped structure arranged in a tilted manner.

[0045] As shown in the figure, Figure 1 and Figure 2 As shown, the underframe 200 is connected with the arc-shaped track 500 corresponding to the position of the rear wheel of the chassis 120, and the single ear chain link 421 passes through the arc-shaped track 500. The arrangement of the arc-shaped track 500 can avoid the interference of the rear wheel on the movement of the single ear chain link 421, thereby improving the transportation stability. Specifically, the arc-shaped track 500 is arranged at the longitudinal beam 220 and the side beam 210, and the chain plate support 250 at the arc-shaped track 500 is also arranged along the arc of the arc-shaped track 500.

[0046] The working principle of the heavy load type plate chain loading and unloading vehicle in this embodiment is as follows:

[0047] When loading is needed, the active shaft mechanism 600 and the driven shaft mechanism 700 drive the transport device to move, and then drive the baffle assembly 300 to move to a position close to the rear end of the compartment 110, then the goods are placed at the chain plate structure 410, and then the transport device is driven by the active shaft mechanism 600 and the driven shaft mechanism 700 to move, and then the baffle assembly 300 is driven to move to the front end of the compartment 110, so that the goods can be transported into the compartment 110; when unloading is needed, the baffle assembly 300 is moved to the rear end of the compartment 110, so that the goods can be transported out of the compartment 110.

[0048] Embodiment Two

[0049] The second embodiment of the heavy-load plate chain loading and unloading vehicle of the present embodiment is similar to the first embodiment, and the difference is that, as shown in Figure 4 and Figure 5 The active shaft mechanism 600 includes a driving wheel 610, an active shaft 620, a first bearing seat 630, and a driving motor 640. The driving motor 640 is connected to the driving wheel 610 through a synchronous belt. The driving wheel 610 and the first sprocket 422 are connected to the active shaft 620. The active shaft 620 is connected to the cross beam 230 at the front end of the compartment 110 through the first bearing seat 630. When the driving motor 640 starts to work, the driving wheel 610 drives the active shaft 620 to rotate, and then drives the first sprocket 422 to rotate, so that the chain plate structure 410 and the baffle assembly 300 can be moved. It should be noted that when the active shaft 620 is provided with multiple active shafts, the adjacent active shafts 620 can be connected through a shaft coupling 650.

[0050] In the present embodiment, the driving motor 640 is arranged in the compartment 110 close to the driving vehicle head 130. The baffle assembly 300 is provided with a space 310 for the driving motor 640, as shown in Figure 4 .

[0051] Embodiment Three

[0052] The third embodiment of the heavy-load plate chain loading and unloading vehicle of the present embodiment is similar to the first embodiment or the second embodiment, and the difference is that, as shown in Figure 6 and Figure 7As shown, a tensioning mechanism 800 is provided at the driven shaft mechanism 700. The tensioning mechanism 800 includes a top seat 810, a push rod sleeve 820, a push rod 830, and a set screw 840. The push rod sleeve 820 is connected to the base frame 200 via the top seat 810. The push rod 830 is slidably inserted into the push rod sleeve 820. One end of the push rod 830 abuts against the driven shaft mechanism 700, and the other end abuts against the set screw 840. The top seat 810 has an internal thread, and the set screw 840 is threadedly connected to the top seat 810 via the internal thread. In this embodiment, the driven shaft mechanism 700 includes a driven shaft 710 and a second bearing seat 720. The second bearing seat 720 and the second sprocket 423 are both connected to the driven shaft 710. The top seat 810 is connected to the crossbeam 230 at the rear end of the housing 110, and the push rod 830 abuts against the second bearing seat 720.

[0053] The working principle of a heavy-duty plate chain loading and unloading vehicle in this embodiment is as follows:

[0054] When the tension of the transport device needs to be adjusted, the set screw 840 is rotated, and the second bearing seat 720 is adjusted in position through the set rod 830, so that the position of the second sprocket 423 can be adjusted accordingly, thus completing the adjustment of the tension.

[0055] Example 4

[0056] This embodiment is a fourth embodiment of a heavy-duty plate chain loading and unloading vehicle. This embodiment is similar to any of the embodiments one to three, except that, as Figure 4 , Figure 8 and Figure 9 As shown, a guide mechanism 900 is provided between the body 110 and the baffle assembly 300. The guide mechanism 900 includes several guide wheels 910 connected to the side of the baffle assembly 300, and several guide rails 920 connected to the inner wall of the body 110. The guide rails 920 are adapted to the guide wheels 910, and the guide wheels 910 are slidably connected to the guide rails 920. It should be noted that the side of the baffle assembly 300 refers to the position near the left and right sides of the body 110.

[0057] like Figure 8 and Figure 9 As shown, the inner walls of the left and right sides of the compartment 110 are connected with a plurality of edge-blocking structures 111 to prevent the baffle assembly 300 from rubbing against the inner walls. In this embodiment, the edge-blocking structure 111 includes a connecting profile and a pad extending along the front end to the rear end of the compartment 110. The pad is connected to the inner wall of the compartment 110 through the connecting profile, and the pad faces the baffle assembly 300. Preferably, three edge-blocking structures 111 are provided on each of the left and right sides of the compartment 110.

[0058] like Figure 4As shown, the front end of the compartment 110 and the baffle assembly 300 are further provided with a buffer structure, the buffer structure can avoid the baffle assembly 300 directly contact and collide with the compartment 110, improve the safety. In the embodiment, the buffer structure is a buffer supporting edge 112 connected to the front end position inside the compartment 110, the buffer supporting edge 112 can be provided with a pad or an elastic pad for contacting the baffle assembly 300. It should be noted that the buffer supporting edge 112 can also be provided on the baffle assembly 300, for contacting and buffering the front end position inside the compartment 110.

[0059] In the specific contents of the above specific embodiments, any non-contradictory combination of technical features can be combined, in order to make the description simple, not all possible combinations of the above technical features are described, however, as long as the combination of these technical features does not exist, it should be considered as the scope of the present application.

[0060] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A heavy-duty plate chain loading and unloading vehicle, characterized in that, The system includes a vehicle body, a cargo box (110), and a chassis (200). The cargo box (110) is mounted on the vehicle body via the chassis (200). The cargo box (110) contains a transport device, a drive device, and a baffle assembly (300). The transport device includes multiple chain plate structures (410) arranged in an array, and also includes a chain and sprocket mechanism (420). The chain plate structures (410) are connected to the drive device via the chain and sprocket mechanism (420). The baffle assembly... The component (300) is connected to the chain plate structure (410); wherein the chain plate structure (410) includes a support plate (411), both ends of the support plate (411) are connected to the chain sprocket mechanism (420), and a first bending plate (412) and a second bending plate (413) are respectively connected to both sides of the support plate (411), and the first bending plate (412) and / or the second bending plate (413) are set at an acute angle with the support plate (411).

2. The heavy-duty plate chain loading and unloading vehicle according to claim 1, characterized in that, An arc-shaped track (500) is connected to the base frame (200) at the position of the rear wheel of the vehicle body, and the chain sprocket mechanism (420) passes through the arc-shaped track (500).

3. The heavy-duty plate chain loading and unloading vehicle according to claim 1, characterized in that, The transport device is provided with multiple rows. The base frame (200) includes two side beams (210) located on the outer side, multiple longitudinal beams (220) and cross beams (230) located between the two side beams (210). The side beams (210) and longitudinal beams (220) are all connected to the cross beams (230). The transport device is installed between two adjacent longitudinal beams (220) and between the side beams (210) and the adjacent longitudinal beams (220). The box body (110) is connected to the side beams (210).

4. The heavy-duty plate chain loading and unloading vehicle according to claim 3, characterized in that, The upper and lower parts of the side beam (210) are respectively connected to the pad rail (240) and the chain plate support (250), and the upper and lower parts of the longitudinal beam (220) are also respectively connected to the pad rail (240) and the chain plate support (250); the two ends of the support plate (411) are connected to the extension plate (414) for covering the chain sprocket mechanism (420); in the transport device located on the upper wing of the crossbeam (230), the chain sprocket mechanism (420) slides on the pad rail (240); in the transport device located on the lower wing of the crossbeam (230), the extension plate (414) slides on the chain plate support (250).

5. The heavy-duty plate chain loading and unloading vehicle according to any one of claims 1 to 4, characterized in that, The drive device includes a drive shaft mechanism (600) and a driven shaft mechanism (700) mounted on the base frame (200), and the two ends of the chain and sprocket mechanism (420) are respectively connected to the drive shaft mechanism (600) and the driven shaft mechanism (700).

6. The heavy-duty plate chain loading and unloading vehicle according to claim 5, characterized in that, A tensioning mechanism (800) is provided at the driven shaft mechanism (700). The tensioning mechanism (800) includes a top seat (810), a push rod sleeve (820), a push rod (830), and a set screw (840). The push rod sleeve (820) is connected to the base frame (200) through the top seat (810). The push rod (830) is slidably inserted into the push rod sleeve (820). One end of the push rod (830) abuts against the driven shaft mechanism (700), and the other end of the push rod (830) abuts against the set screw (840). The set screw (840) is threadedly connected to the top seat (810).

7. The heavy-duty plate chain loading and unloading vehicle according to claim 5, characterized in that, The vehicle body includes a chassis (120) and a driver's cab (130) mounted on the chassis (120). The cargo box (110) is connected to the chassis (120) via the underframe (200). The drive shaft mechanism (600) includes a drive motor (640), which is located inside the cargo box (110) at one end near the driver's cab (130). The baffle assembly (300) is provided with a clearance space (310) for the drive motor (640).

8. The heavy-duty plate chain loading and unloading vehicle according to any one of claims 1 to 4, characterized in that, A guide mechanism (900) is provided between the compartment (110) and the baffle assembly (300).

9. The heavy-duty plate chain loading and unloading vehicle according to claim 8, characterized in that, The guiding mechanism (900) includes a plurality of guide wheels (910) connected to the side of the baffle assembly (300) and a plurality of guide rails (920) connected to the inner side wall of the compartment (110), wherein the guide wheels (910) are slidably connected to the guide rails (920).

10. The heavy-duty plate chain loading and unloading vehicle according to any one of claims 1 to 4, characterized in that, The inner wall of the compartment (110) is provided with several edge-blocking structures (111) to prevent the baffle assembly (300) from scratching.

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