Passenger car rear wall transfer device

Abstract

The invention discloses a passenger car rear wall transfer device which comprises a bottom support assembly, a fixing assembly, a supporting assembly and a limiting assembly. The limiting assembly comprises a first connecting rod, a plurality of second connecting rods, first L-shaped limiting plates and second L-shaped limiting plates, the first connecting rod is arranged on the bottom support assembly, the first end of each second connecting rod is connected with the first connecting rod, the second end of each second connecting rod is connected with the first supporting frame, and the first L-shaped limiting plates are arranged at the two ends of the first supporting frame; the second L-shaped limiting plate and the first supporting frame form a first limiting groove, and the second L-shaped limiting plate is arranged at the end of the second supporting frame. The end of a second supporting frame is inserted into a first limiting groove, a second L-shaped limiting plate abuts against the outer wall of the first supporting frame, a passenger car rear wall abuts against a plurality of second connecting rods, a limiting structure is formed, under the condition that effective limiting is guaranteed, the safety risk caused by climbing is omitted, the material cost is further reduced, and the safety of a passenger car is improved. And meanwhile, the assembly efficiency is also improved.

Description

Technical Field

[0001] This invention relates to the field of bus manufacturing technology, and more specifically, to a bus rear panel transfer device. Background Technology

[0002] Constrained by international trade barriers and transportation costs, the trend of exporting buses in parts has emerged. Transporting buses as individual components effectively reduces sea freight volume, circumvents some trade restrictions, and simultaneously meets the employment and industrial development needs of overseas assembly sites. Furthermore, the more favorable tariff policies of some countries for component imports have further propelled the rapid development of this model. However, bus parts differ in size from passenger car parts, and the transfer racks also differ.

[0003] Because the rear panel parts of the bus are large, the material rack is 2500mm high. Currently, placing the rear panel parts in the existing transfer device requires standing on a platform to install the bolts, which results in low installation efficiency and safety issues.

[0004] Therefore, how to provide a bus rear-end transfer device has become a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0005] One objective of this invention is to provide a new technical solution for a bus rear-end transfer device.

[0006] According to a first aspect of the present invention, a bus rear-end transfer device is provided, comprising: a bottom bracket assembly, a fixing assembly, a support assembly, and a limiting assembly;

[0007] The fixing assembly includes multiple first fixing frames, second fixing frames, first support frames, second support frames, and two third support frames. The first fixing frames and second fixing frames are respectively disposed at both ends of the bottom support assembly and are respectively connected to the two corners of both ends of the bottom support assembly. The two ends of the first support frames are respectively connected to the two first fixing frames. The two ends of the second support frames are respectively connected to the two second fixing frames. The two ends of the two third support frames are respectively connected to the first fixing frames and the second fixing frames. The first support frames, the second support frames, and the two third support frames form a rectangular structure.

[0008] The support assembly is used to secure the rear of the bus;

[0009] The limiting assembly includes a first connecting rod, multiple second connecting rods, a first L-shaped limiting plate, and a second L-shaped limiting plate. The first connecting rod is disposed on the bottom support assembly. The first end of the second connecting rod is connected to the first connecting rod, and the second end of the second connecting rod is connected to the first support frame. The first L-shaped limiting plate is disposed at both ends of the first support frame and forms a first limiting groove with the first support frame. The second L-shaped limiting plate is disposed at the end of the second support frame, and the end of the second support frame is located inside the first limiting groove. The second L-shaped limiting plate abuts against the outer wall of the first support frame.

[0010] Optionally, the limiting component further includes a limiting block, which is disposed on the second support frame, and a second limiting groove is formed between the limiting block and the second L-shaped limiting plate. The width of the second limiting groove is greater than or equal to the width of the first support frame, and the first support frame is located within the second limiting groove.

[0011] Optionally, the limiting assembly further includes a limiting plate, a first mounting hole, a second mounting hole, and a first fastening bolt. The first end of the limiting plate is connected to the bottom bracket assembly. The second mounting holes are respectively located at both ends of the first connecting rod. The mounting hole is located at the second end of the limiting plate. The first fastening bolt passes through the first mounting hole and the second mounting hole.

[0012] Optionally, the support assembly includes a first fixing rod, a second fixing rod, a first fixing groove, and a second fixing groove. The first fixing rod and the second fixing rod are arranged opposite to each other. The two ends of the first fixing rod are respectively connected to two first fixing frames, and the two ends of the second fixing rod are respectively connected to two second fixing frames. The first fixing groove and the second fixing groove are evenly spaced on the first fixing rod and the second fixing rod, and the first fixing groove and the second fixing groove are used to fix the rear of the bus.

[0013] Optionally, the first fixing groove and the second fixing groove are arranged opposite to each other, and the length of the first fixing groove is greater than the length of the second fixing groove;

[0014] Both the first side of the first fixing groove and the first side of the second fixing groove are right-angled structures, and both the second side of the first fixing groove and the second fixing groove are arc-shaped structures.

[0015] Optionally, the bottom support assembly includes two first connecting frames, two second connecting frames, a third fixing rod, and a fourth fixing rod. The two ends of the two first connecting frames are respectively connected to the bottom of the two first fixing frames and the bottom of the two second fixing frames. The two ends of the second connecting frames are respectively connected to the first fixing frames and the second fixing frames. The two first connecting frames and the two second connecting frames form a rectangular structure.

[0016] The third fixing rod is located below the first connecting frame, and its two ends are connected to the two first connecting frames. The fourth fixing rod is located above the second connecting frame, and its two ends are connected to the two second connecting frames.

[0017] Optionally, the support assembly further includes two fifth fixing rods and a third fixing groove. The fifth fixing rods are horizontally arranged with the fourth fixing rod. The two ends of the fifth fixing rods are connected to the two second connecting brackets. The third fixing grooves are evenly spaced along the length of the fifth fixing rods and are used to fix the rear of the bus.

[0018] Optionally, the support assembly further includes a plurality of support blocks, the two ends of which are respectively connected to the first fixing rod and the first fixing frame, the second fixing rod and the second fixing frame.

[0019] Optionally, the support assembly further includes a plurality of first support rods, a plurality of second support rods, and a third support rod. The two ends of the first support rods are respectively connected to the second fixing frame and one of the first connecting frames. The two ends of the second support rods are respectively connected to the third support frame and the second connecting frame. The two ends of the third support rods are respectively perpendicularly connected to the second support rods.

[0020] Optionally, the limiting assembly further includes a limiting rod, a fixing plate, a connecting plate, and a second fastening bolt. The fixing plate is disposed on the second support rod and located at the bottom of the second support rod. The connecting plates are respectively disposed at both ends of the limiting rod. The connecting plates and the fixing plate are fixed together by the second fastening bolt.

[0021] The beneficial effects of this invention are as follows:

[0022] This invention involves mounting a first connecting rod on a bottom support assembly, connecting a first end of a second connecting rod to the first connecting rod, and connecting a second end of the second connecting rod to a first support frame. A first L-shaped limiting plate is positioned at both ends of the first support frame, forming a first limiting groove with the first support frame. A second L-shaped limiting plate is positioned at the end of the second support frame, located inside the first limiting groove, and abutting against the outer wall of the first support frame. During installation, the rear of the bus is first placed on the bottom support assembly and fixed and limited by the support assembly. Then, the end of the second support frame is inserted into the first limiting groove. At this point, the second L-shaped limiting plate abuts against the outer wall of the first support frame, and the rear of the bus abuts against multiple second connecting rods, forming a limiting structure. This invention eliminates the safety risks associated with climbing while ensuring effective limiting, reduces material costs, and improves assembly efficiency.

[0023] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0024] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0025] Figure 1 This is a structural diagram of the bus rear-end transfer device of the present invention;

[0026] Figure 2 This is a structural diagram of the bus rear-end transfer device of the present invention from another angle;

[0027] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 4 for Figure 1 Enlarged view of point B in the middle;

[0029] Figure 5 This is a structural diagram of the limiting component of the present invention;

[0030] Figure 6 This is a partial exploded view of the limiting component of the bus rear transfer device of the present invention.

[0031] The diagram shows the following components: 1. Bottom support assembly; 11. First connecting frame; 12. Second connecting frame; 13. Third fixing rod; 14. Fourth fixing rod; 2. Fixing assembly; 21. First fixing frame; 22. Second fixing frame; 23. First support frame; 24. Second support frame; 25. Third support frame; 3. Support assembly; 31. First fixing rod; 32. Second fixing rod; 33. First fixing groove; 34. Second fixing groove; 35. Fifth fixing rod. 36. Fixed rod; 37. Third fixing groove; 38. Support block; 39. First support rod; 30. Second support rod; 310. Third support rod; 4. Limiting assembly; 41. First connecting rod; 42. Second connecting rod; 43. First L-shaped limiting plate; 44. Second L-shaped limiting plate; 45. First limiting groove; 46. Limiting block; 47. Second limiting groove; 48. Limiting plate; 49. First fastening bolt; 5. Limiting rod; 6. Fixing plate; 7. Connecting plate. Detailed Implementation

[0032] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0033] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0034] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0035] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0036] like Figures 1 to 6 As shown, an embodiment of the present invention provides a bus rear transfer device, including: a bottom bracket assembly 1, a fixing assembly 2, a support assembly 3, and a limiting assembly 4.

[0037] The fixing component 2 includes multiple first fixing frames 21, second fixing frames 22, first support frames 23, second support frames 24, and two third support frames 25. The first fixing frames 21 and second fixing frames 22 are respectively disposed at both ends of the bottom support component 1 and are respectively connected to the two corners of both ends of the bottom support component 1. The two ends of the first support frame 23 are respectively connected to the two first fixing frames 21. The two ends of the second support frame 24 are respectively connected to the two second fixing frames 22. The two ends of the two third support frames 25 are respectively connected to the first fixing frames 21 and the second fixing frames 22. The first support frames 23, second support frames 24, and two third support frames 25 form a rectangular structure.

[0038] Specifically, in this embodiment, there are two first fixing brackets 21 and two second fixing brackets 22. The first fixing bracket 21 is disposed at two corners of the first end of the bottom support assembly 1, and the second fixing bracket 22 is disposed at two corners of the second end of the bottom support assembly 1.

[0039] Support component 3 is used to fix the rear of the bus.

[0040] The limiting component 4 includes a first connecting rod 41, a plurality of second connecting rods 42, a first L-shaped limiting plate 43, and a second L-shaped limiting plate 44. The first connecting rod 41 is disposed on the bottom support component 1. The first end of the second connecting rod 42 is connected to the first connecting rod 41, and the second end of the second connecting rod 42 is connected to the first support frame 23. The first L-shaped limiting plate 43 is disposed at both ends of the first support frame 23 and forms a first limiting groove 45 with the first support frame 23. The second L-shaped limiting plate 44 is disposed at the end of the second support frame 24. The end of the second support frame 24 is located inside the first limiting groove 45, and the second L-shaped limiting plate 44 abuts against the outer wall of the first support frame 23.

[0041] Specifically, multiple second connecting rods 42 are located at both ends of the first connecting rod 41, and the angles formed between the multiple second connecting rods 42 and the first fixing frame 21 may be the same or different.

[0042] During installation, the rear bus body is first inserted from the top of the device and placed on the bottom bracket assembly 1. The rear bus body is then fixed and limited by the support assembly 3. Next, the end of the second support frame 24 is inserted into the first limiting groove 45. At this time, the second L-shaped limiting plate 44 abuts against the outer wall of the first support frame 23, and the rear bus body abuts against multiple second connecting rods 42 to form a limiting structure.

[0043] The present invention comprises a first connecting rod 41 disposed on the bottom support assembly 1, a second connecting rod 42 having its first end connected to the first connecting rod 41 and its second end connected to the first support frame 23, a first L-shaped limiting plate 43 disposed at both ends of the first support frame 23 and forming a first limiting groove 45 with the first support frame 23, and a second L-shaped limiting plate 44 disposed at the end of the second support frame 24, the end of the second support frame 24 being located inside the first limiting groove 45, and the second L-shaped limiting plate 44 abutting against the outer wall of the first support frame 23. During installation, the rear of the bus is first placed on the bottom support assembly 1, and the rear of the bus is fixed and limited by the support assembly 3. Then, the end of the second support frame 24 is inserted into the first limiting groove 45. At this time, the second L-shaped limiting plate 44 abuts against the outer wall of the first support frame 23, and the rear of the bus abuts against multiple second connecting rods 42 to form a limiting structure. This invention eliminates the safety risks caused by climbing while ensuring effective limiting, and also reduces material costs and improves assembly efficiency.

[0044] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 5 and Figure 6 As shown, the limiting component 4 also includes a limiting block 46, which is disposed on the second support frame 24, and a second limiting groove 47 is formed between the limiting block 46 and the second L-shaped limiting plate 44. The width of the second limiting groove 47 is greater than or equal to the width of the first support frame 23, and the first support frame 23 is located in the second limiting groove 47.

[0045] Specifically, the second L-shaped limiting plate 44 is disposed on the outer side wall of the second support frame 24 and extends to the inner side wall of the second support frame 24. The limiting block 46 is disposed on the inner side wall of the second support frame 24 and works with the second L-shaped limiting plate 44 to limit the lateral direction of the first support frame 23.

[0046] The present invention forms a second limiting groove 47 between the limiting block 46 and the second L-shaped limiting plate 44, and sets the width of the second limiting groove 47 to be greater than or equal to the width of the first support frame 23, so that the first support frame 23 is located in the second limiting groove 47. Thus, the first limiting groove 45 and the second limiting groove 47 can achieve mutual restraint between the first support frame 23 and the second support frame 24, thereby improving the assembly efficiency.

[0047] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 and Figure 3As shown, the limiting assembly 4 also includes a limiting plate 48, a first mounting hole, a second mounting hole, and a first fastening bolt 49. The first end of the limiting plate 48 is connected to the bottom bracket assembly 1. The second mounting holes are respectively located at both ends of the first connecting rod 41. The mounting hole is located at the second end of the limiting plate 48. The first fastening bolt 49 passes through the first mounting hole and the second mounting hole.

[0048] This invention connects the first end of the limiting plate 48 to the bottom bracket assembly 1. During installation, the rear of the bus is placed behind the bottom bracket assembly 1, and the operator inserts the end of the second support frame 24 into the first limiting groove 45, and the first support frame 23 into the second limiting groove 47. Then, the first connecting rod 41 is fixed to the bottom bracket assembly 1 by the first fastening bolt 49 passing through the first mounting hole and the second mounting hole, which improves the convenience of assembly and the assembly efficiency.

[0049] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 and Figure 2 As shown, the support assembly 3 includes a first fixing rod 31, a second fixing rod 32, a first fixing groove 33, and a second fixing groove 34. The first fixing rod 31 and the second fixing rod 32 are arranged opposite to each other. The two ends of the first fixing rod 31 are respectively connected to two first fixing frames 21, and the two ends of the second fixing rod 32 are respectively connected to two second fixing frames 22. The first fixing groove 33 and the second fixing groove 34 are evenly spaced on the first fixing rod 31 and the second fixing rod 32, and the first fixing groove 33 and the second fixing groove 34 are used to fix the rear of the bus.

[0050] Specifically, there are multiple first fixing slots 33 and second fixing slots 34, which are evenly spaced along the length of the first fixing rod 31 and the second fixing rod 32, respectively, and each first fixing slot 33 and second fixing slot 34 corresponds to a bus rear panel.

[0051] There are two of each of the first fixing rod 31 and the second fixing rod 32. The first fixing rod 31 is located at both ends of the first fixing frame 21, and the second fixing rod 32 is located at both ends of the second fixing frame 22. A connecting block is provided on the side wall of the first fixing rod 31 located above the second fixing frame 22. The connecting block is connected to both the first fixing rod 31 and the first fixing frame 21, and is also located between the first fixing rod 31 and the second connecting rod 42, connecting to both of them respectively.

[0052] The first fixing rod 31 located below the second fixing frame 22 is provided with third fastening bolts at both ends. The third fastening bolts pass through the first fixing rod 31 and the first fixing frame 21 to fix the first fixing rod 31 on the first fixing frame 21.

[0053] This invention connects the two ends of the first fixing rod 31 to two first fixing brackets 21, and the two ends of the second fixing rod 32 to two second fixing brackets 22, respectively. The first fixing groove 33 and the second fixing groove 34 are evenly spaced on the first fixing rod 31 and the second fixing rod 32, respectively. When the rear of the bus is placed in the bottom bracket assembly 1, the two sides of the rear of the bus are located in the first fixing groove 33 and the second fixing groove 34, respectively, thereby providing a fixing effect on the rear of the bus and effectively improving the stability of the installation of the rear of the bus.

[0054] In one embodiment of the bus rear transfer device of the present invention, the first fixing groove 33 and the second fixing groove 34 are arranged opposite to each other, and the length of the first fixing groove 33 is greater than the length of the second fixing groove 34.

[0055] The first side of the first fixing groove 33 and the first side of the second fixing groove 34 are both right-angle structures, and the second side of the first fixing groove 33 and the second side of the second fixing groove 34 are both arc-shaped structures. This arrangement is to match the structure of the bus rear enclosure, facilitate the fixing of the bus rear enclosure, and avoid damage to the bus rear enclosure.

[0056] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 and Figure 4 As shown, the bottom support assembly 1 includes two first connecting frames 11, two second connecting frames 12, a third fixing rod 13 and a fourth fixing rod 14. The two ends of the two first connecting frames 11 are respectively connected to the bottom of the two first fixing frames 21 and the bottom of the two second fixing frames 22. The two ends of the second connecting frames 12 are respectively connected to the first fixing frames 21 and the second fixing frames 22. The two first connecting frames 11 and the two second connecting frames 12 form a rectangular structure.

[0057] The third fixing rod 13 is located below the first connecting frame 11, and its two ends are connected to the two first connecting frames 11. The fourth fixing rod 14 is located above the second connecting frame 12, and its two ends are connected to the two second connecting frames 12.

[0058] Specifically, the two first connecting frames 11 are arranged parallel to the first fixing frame 21 and the second fixing frame 22, and the two second connecting frames 12 are arranged parallel to the third support frame 25. The two ends of one second connecting frame 12 are respectively connected to the first ends of the two first connecting frames 11, and the two ends of the other second connecting frame 12 are respectively connected to the second ends of the two first connecting frames 11, so as to form a rectangular structure.

[0059] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 , Figure 2 and Figure 3As shown, the support assembly 3 also includes two fifth fixing rods 35 and a third fixing groove 36. The fifth fixing rods 35 are horizontally arranged with the fourth fixing rod 14. The two ends of the fifth fixing rods 35 are connected to the two second connecting brackets 12. The third fixing grooves 36 are evenly spaced along the length of the fifth fixing rods 35. The third fixing grooves 36 are used to fix the rear of the bus.

[0060] Specifically, there are two fifth fixing rods 35, which are set at both ends of the second connecting frame 12. The first side of the third fixing groove 36 is a right-angle structure, and the second side of the third fixing groove 36 is an arc-shaped structure to match the structure of the rear of the bus.

[0061] This invention horizontally sets the fifth fixing rod 35 and the fourth fixing rod 14, connects the two ends of the fifth fixing rod 35 to the two second connecting brackets 12, and evenly spaced the third fixing grooves 36 along the length of the fifth fixing rod 35. When the rear of the bus is placed on the fifth fixing rod 35, the bottom of the rear of the bus is located in the third fixing groove 36, thus avoiding the rear of the bus from moving and improving the stability of the installation.

[0062] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 , Figure 2 and Figure 4 As shown, the support assembly 3 also includes a plurality of support blocks 37, the two ends of which are connected to the first fixing rod 31 and the first fixing frame 21, the second fixing rod 32 and the second fixing frame 22, respectively.

[0063] The present invention improves the stability of the first fixing rod 31 and the second fixing rod 32 by connecting the two ends of the support block 37 to the first fixing rod 31 and the first fixing frame 21, the second fixing rod 32 and the second fixing frame 22 respectively.

[0064] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 1 , Figure 2 and Figure 4 As shown, the support assembly 3 also includes a plurality of first support rods 38, a plurality of second support rods 39 and a third support rod 310. The two ends of the first support rods 38 are respectively connected to the second fixing frame 22 and one of the first connecting frames 11. The two ends of the second support rods 39 are respectively connected to the third support frame 25 and the second connecting frame 12. The two ends of the third support rod 310 are respectively perpendicularly connected to the second support rods 39.

[0065] Specifically, the first support rod 38 is disposed on the first connecting frame 11 opposite to the second connecting rod 42, and the support block 37 is also disposed on the first support rod 38, further improving the stability of the first fixed rod 31. The second support rod 39 is disposed on the front and rear sides of the device, that is, on the third support frame 25 and the second connecting frame 12 located on the front side, and on the third support frame 25 and the second connecting frame 12 located on the rear side, respectively.

[0066] The present invention connects the two ends of the first support rod 38 to the second fixed frame 22 and one of the first connecting frames 11 respectively, the two ends of the second support rod 39 to the third support frame 25 and the second connecting frame 12 respectively, and the two ends of the third support rod 310 are perpendicularly connected to the second support rod 39 respectively. Thus, the stability and structural strength of the bus rear transfer device of the present invention can be enhanced by the first support rod 38, the second support rod 39 and the third support rod 310.

[0067] In one embodiment of the bus rear-side transfer device of the present invention, such as Figure 4 As shown, the limiting assembly 4 also includes a limiting rod 5, a fixing plate 6, a connecting plate 7, and a second fastening bolt. The fixing plate 6 is disposed on the second support rod 39 and located at the bottom of the second support rod 39. The connecting plates 7 are respectively disposed at both ends of the limiting rod 5. The connecting plates 7 and the fixing plate 6 are fixed by the second fastening bolt.

[0068] Specifically, during installation, after the rear of the bus is placed behind the bottom bracket assembly 1, the operator inserts the end of the second support frame 24 into the first limiting groove 45 and the first support frame 23 into the second limiting groove 47; then, the first connecting rod 41 is fixed to the bottom bracket assembly 1 by passing the first fastening bolt 49 through the first mounting hole and the second mounting hole.

[0069] Next, align the connecting plates 7 at both ends of the limiting rod 5 with the two fixing plates 6 respectively, so that the second fastening bolt passes through the connecting plate 7 and the fixing plate 6. At this time, the limiting rod 5 is inserted into the rear of the bus and is located above the bottom of the rear of the bus. The limiting rod 5 can provide fixation and limiting function for the rear of the bus, avoiding the problem of the rear of the bus jumping and causing damage.

[0070] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A passenger vehicle rear wall transfer device, characterized by, The utility model relates to a kind of passenger train rear wall fixing device, including: Bottom support assembly, fixed component, support component and limiting component; The fixed component includes multiple first fixed frame, second fixed frame, first support frame, second support frame and two third support frames, the first fixed frame, the second fixed frame is respectively arranged in the both ends of the bottom support assembly, and is respectively connected with the two corners of the both ends of the bottom support assembly, the both ends of the first support frame are respectively connected with two first fixed frame, the both ends of the second support frame are respectively connected with two second fixed frame, the both ends of two third support frames are respectively connected with the first fixed frame, the second fixed frame, the first support frame, the second support frame and two third support frames form rectangular structure; The support component is used for fixing passenger train rear wall; The limiting component includes first connecting rod, multiple second connecting rods, first L-shaped limiting plate and second L-shaped limiting plate, the first connecting rod is arranged on the bottom support assembly, the first end of the second connecting rod is connected with the first connecting rod, the second end of the second connecting rod is connected with the first support frame, the first L-shaped limiting plate is arranged at the both ends of the first support frame, and forms first limiting slot with the first support frame, the second L-shaped limiting plate is arranged at the end of the second support frame, the end of the second support frame is located in the first limiting slot, and the second L-shaped limiting plate is in abutment with the outer wall of the first support frame.

2. The passenger van aft enclosure transfer device of claim 1, wherein, The limiting component further includes limiting block, the limiting block is arranged on the second support frame, and second limiting slot is formed between the limiting block and the second L-shaped limiting plate, the width of the second limiting slot is greater than or equal to the width of the first support frame, and the first support frame is located in the second limiting slot.

3. The passenger van aft enclosure transfer device of claim 1, wherein, The limiting component further includes limiting plate, first mounting hole, second mounting hole and first fastening bolt, the first end of the limiting plate is connected with the bottom support assembly, the second mounting hole is arranged at the both ends of the first connecting rod respectively, the mounting hole is arranged at the second end of the limiting plate, and the first fastening bolt penetrates the first mounting hole, the second mounting hole.

4. The passenger van aft enclosure transfer device of claim 1, wherein, The support component includes first fixed rod, second fixed rod, first fixed slot and second fixed slot, the first fixed rod and the second fixed rod are oppositely arranged, the both ends of the first fixed rod are respectively connected with two first fixed frames, the both ends of the second fixed rod are respectively connected with two second fixed frames, the first fixed slot and the second fixed slot are evenly spaced on the first fixed rod and the second fixed rod respectively, and the first fixed slot and the second fixed slot are used for fixing passenger train rear wall.

5. The transit device of claim 4, wherein, The first fixed slot and the second fixed slot are oppositely arranged, and the length of the first fixed slot is greater than the length of the second fixed slot. The first side of the first fixed slot and the first side of the second fixed slot are both right-angle structures, and the second side of the first fixed slot and the second side of the second fixed slot are both arc-shaped structures.

6. The transit device of claim 4, wherein, The bottom support assembly comprises two first connecting frames, two second connecting frames, a third fixing rod and a fourth fixing rod, two ends of the two first connecting frames are connected with the bottom of the two first fixing frames and the bottom of the two second fixing frames respectively, two ends of the second connecting frame are connected with the first fixing frame and the second fixing frame respectively, and the two first connecting frames and the two second connecting frames form a rectangular structure. The third fixing rod is located below the first connecting frame, and two ends of the third fixing rod are connected with the two first connecting frames, and the fourth fixing rod is located above the second connecting frame, and two ends of the fourth fixing rod are connected with the two second connecting frames.

7. The transit device of claim 6, wherein, The support assembly further comprises two fifth fixing rods and a third fixing groove, the fifth fixing rod is arranged horizontally with the fourth fixing rod, two ends of the fifth fixing rod are connected with the two second connecting frames, the third fixing groove is arranged on the fifth fixing rod in a uniform interval along the length direction of the fifth fixing rod, and the third fixing groove is used for fixing the rear wall of the passenger car.

8. The transit device of claim 6, wherein, The support assembly further comprises a plurality of support blocks, two ends of the support block are connected with the first fixing rod and the first fixing frame, the second fixing rod and the second fixing frame respectively.

9. The transit device of claim 6, wherein, The support assembly further comprises a plurality of first support rods, a plurality of second support rods and a third support rod, two ends of the first support rod are connected with the second fixing frame and one of the first connecting frames respectively, two ends of the second support rod are connected with the third support frame and the second connecting frame respectively, and two ends of the third support rod are connected with the second support rod perpendicularly.

10. The passenger van aft enclosure transfer device of claim 9, wherein, The limiting assembly further comprises a limiting rod, a fixing plate, a connecting plate and a second fastening bolt, the fixing plate is arranged on the second support rod and located at the bottom of the second support rod, the connecting plate is arranged at two ends of the limiting rod respectively, and the connecting plate and the fixing plate are fixed through the second fastening bolt.

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