CN211519886U - Container trailer - Google Patents

Abstract

The utility model relates to a technical field of aviation ground facility, aim at providing a container trailer, including the chassis, the front axle assembly, the rear axle assembly, tail hook and mop all set up on the chassis, be equipped with the hanging hole on the mop, still include spacing subassembly, spacing subassembly includes dwang and limiting plate, the dwang rotates to be connected in the chassis, the limiting plate sets up on the dwang, and the limiting plate is in chassis edge, still be equipped with the locking plate on the chassis, be connected with the telescopic link with adjustable length on the dwang, be equipped with the polygon stopper on the telescopic link, be equipped with the polygon spacing groove that matches with the polygon stopper on the locking plate. The utility model discloses at the in-process of transportation container, make the stability of the container on the trailer higher.

Description

Container trailer

Technical Field

The utility model belongs to the technical field of the technique of aviation ground facility and specifically relates to a container trailer is related to.

Background

With the development of the logistics industry and the change of the demand of shipping markets, the container transportation is rapidly developed, and goods are loaded into a container in the past, and then the container is hoisted to a trailer for transportation. The container trailer is suitable for airport to transport container and consists of several single container trailers connected together to form a trailer train.

Chinese patent No. CN203439273U discloses an aircraft container single-box trailer, which comprises a front axle assembly, a rear axle assembly, a trailer bottom plate, a mop and a tail hook, wherein the front axle assembly and the rear axle assembly are arranged below the trailer bottom plate, the mop is arranged at the front end of the trailer bottom plate, the tail hook is arranged at the rear end of the trailer bottom plate, the aircraft container single-box trailer further comprises a rotating disc, a rotating frame, a clutch device, a container fixing buckle and a roller, the middle part of trailer bottom plate be provided with the swivel mount backing roll, rotary disk fixed mounting is in swivel mount backing roll top, the swivel mount links to each other with the rotary disk is fixed, install clutch on the rotary disk, clutch links to each other with the foot pedal switch transmission, the middle part of swivel mount still is provided with two at least container fixing buckle, the both sides of swivel mount still are provided with a plurality of buckle switches, the buckle switch links to each other with container fixing buckle, the multiunit cylinder is installed to the swivel mount inboard.

The above prior art solutions have the following drawbacks: the trailer edge is not provided with a limiting component for limiting the side wall of the container, so that the stability of the container on the trailer is easy to lower in the process of transporting the container.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a container trailer, at the in-process of transportation container, the stability that makes the container on the trailer is higher.

The utility model aims at realizing through the following technical scheme:

the utility model provides a container trailer, including the chassis, the front axle assembly, the rear axle assembly, tail hook and mop all set up on the chassis, be equipped with the hanging hole on the mop, still include spacing subassembly, spacing subassembly includes dwang and limiting plate, the dwang rotates to be connected in the chassis, the limiting plate sets up on the dwang, and the limiting plate is in chassis edge, still be equipped with the locking plate on the chassis, be connected with the telescopic link with adjustable length on the dwang, be equipped with the polygon stopper on the telescopic link, be equipped with the polygon spacing groove that matches with the polygon stopper on the locking plate.

Through adopting the above-mentioned technical scheme, when transporting container, place the container on the chassis earlier, the pulling telescopic link, pull out the polygon stopper from the polygon spacing inslot, the rotation telescopic link, the telescopic link drives the dwang and rotates, the dwang drives spacing piece in the rotation process and rotates, make spacing piece perpendicular to chassis, the length direction perpendicular to ground of spacing piece, promote the telescopic link again, the telescopic link drives the polygon motion, promote the polygon stopper to the polygon spacing inslot, thereby carry on spacingly to the container lateral wall of placing on the trailer, at the in-process of transporting container, make the stability of the container on the trailer higher.

The present invention may be further configured in a preferred embodiment as: the dwang runs through the chassis, and the limiting plate setting is at the both ends of dwang.

Through adopting above-mentioned technical scheme, be provided with two limiting plates on the dwang, rotate the in-process at the dwang, can drive two limiting plates and rotate simultaneously through controlling a dwang, bring the convenience for the position of adjusting the limiting plate.

The present invention may be further configured in a preferred embodiment as: adjacent through the linkage of drive assembly between the dwang, drive assembly includes sprocket and chain, and the sprocket setting is on the dwang, and the chain cover is established at the sprocket on the adjacent dwang, and the telescopic link setting is on one of them dwang.

Through adopting above-mentioned technical scheme, at one of them dwang pivoted in-process, pivoted dwang drives the sprocket rotation rather than being connected, and the sprocket passes through the chain and drives another sprocket rotation to take adjacent dwang to rotate, all rotate together through the cooperation of sprocket and chain between the adjacent dwang, consequently, when rotating the dwang, only need rotate a dwang can, can drive other dwang synchronous rotations, bring the convenience for staff's work.

The present invention may be further configured in a preferred embodiment as: one side of the limiting plate, which faces the center of the underframe, is connected with a tight supporting block, the limiting plate is connected with a tight supporting bolt which penetrates through the limiting plate in a threaded manner, and the tight supporting block is arranged on the tight supporting bolt.

Through adopting above-mentioned technical scheme, when transporting container, rotate the limiting plate to perpendicular to chassis after, twist and tightly support the bolt, tightly support the bolt and drive and tightly support the piece and remove, conflict container lateral wall until tightly supporting the piece to can be better carry on spacingly to the container, reduced the container and appeared the possibility of rocking the phenomenon in the transportation.

The present invention may be further configured in a preferred embodiment as: one side of the tight supporting block, which deviates from the tight supporting bolt, is provided with a friction rubber block.

Through adopting above-mentioned technical scheme, at the piece removal in-process that supports tightly, the frictional rubber piece is along with tightly supporting the piece and moving together, and the frictional rubber piece finally contradicts the container lateral wall, compares with tightly supporting the direct container lateral wall that contradicts of piece, and the increase tightly supports the frictional force between piece and the container lateral wall to the stability of container in the transportation has further been improved.

The present invention may be further configured in a preferred embodiment as: the mop is rotatably connected with the bottom frame, the front axle assembly comprises a front shaft and front wheels, the front shaft is arranged on the mop, and the front wheels are arranged at two ends of the front shaft.

Through adopting above-mentioned technical scheme, when the trailer need turn, the mop rotates at first, and the mop drives the front wheel and turns, and the chassis needn't turn along with the mop by a wide margin, compares on the chassis with the fixed setting of mop, can save the required space of trailer turn.

The present invention may be further configured in a preferred embodiment as: the tail hook comprises a connecting tail plate, a butt joint plate and a vertical first tail plate, the connecting tail plate is arranged on the chassis, the butt plate is arranged on the connecting tail plate and is parallel to the ground, the vertical first tail plate is arranged on the butt plate, the horizontal first tail plate and the horizontal second tail plate are arranged on the vertical first tail plate, the horizontal second tail plate and the butt plate are arranged at intervals in sequence, one end of the vertical second tail plate is connected with the horizontal first tail plate, the other end of the vertical second tail plate is connected with the horizontal second tail plate, a locking bolt is arranged on the tail hook, through holes are formed in the horizontal first tail plate and the horizontal second tail plate, a thread locking hole matched with the locking bolt is formed in the butt plate, and the locking bolt penetrates through the horizontal first tail plate and the horizontal second tail plate through the through holes and is in threaded connection with the thread locking hole.

Through adopting above-mentioned technical scheme, when needs link together two container trailers, insert the mop on a container trailer in the space between butt plate and the horizontal second tailboard on another container trailer, make the hanging hole intercommunication on through-hole, screw locking hole and the mop, run through-hole and hanging hole and spiro union at screw locking downthehole with the locking bolt to the realization links together two container trailers the purpose.

The present invention may be further configured in a preferred embodiment as: and the locking bolt is also provided with a positioning ring, and the positioning ring is positioned between the horizontal first tail plate and the horizontal second tail plate.

Through adopting above-mentioned technical scheme, the setting of holding ring can carry on spacingly to locking bolt, avoids locking bolt to break away from the tail hook, causes locking bolt's losing.

To sum up, the utility model discloses a following at least one useful technological effect:

when a container is transported, the container is placed on the underframe firstly, the telescopic rod is pulled to pull the polygonal limiting block out of the polygonal limiting groove, the telescopic rod is rotated to drive the rotating rod to rotate, the rotating rod drives the limiting piece to rotate in the rotating process, the limiting piece is made to be perpendicular to the underframe, the length direction of the limiting piece is perpendicular to the ground, then the telescopic rod is pushed, the telescopic rod drives the polygonal motion, the polygonal limiting block is pushed into the polygonal limiting groove, so that the side wall of the container placed on the trailer is limited, and the stability of the container on the trailer is high in the process of transporting the container;

when the container is transported, the limiting plate is rotated to be perpendicular to the underframe, the tightening bolt is screwed, and the tightening bolt drives the tightening block to move until the tightening block butts against the side wall of the container, so that the container can be better limited, and the possibility of shaking of the container in the transportation process is reduced;

at the tight piece removal in-process that supports, the friction rubber piece is along with tightly supporting the piece and moving together, and the final container lateral wall of contradicting of friction rubber piece, compares with tightly supporting the direct container lateral wall of contradicting of piece, and the increase is tightly supported the frictional force between piece and the container lateral wall to the stability of container in the transportation has further been improved.

Drawings

FIG. 1 is a schematic structural diagram of a transmission assembly according to the present embodiment;

FIG. 2 is a schematic structural diagram of the present embodiment for embodying a rear axle assembly;

fig. 3 is a schematic structural diagram for showing a positional relationship between the limiting strip and the limiting plate in the present embodiment;

FIG. 4 is an enlarged view of the portion A of the telescopic rod shown in FIG. 3;

FIG. 5 is a schematic structural view of the front mounting bracket of the present embodiment;

fig. 6 is an enlarged view of a portion B of fig. 1 for embodying the tail hook.

In the figure, 1, a chassis; 2. a front axle assembly; 3. a rear axle assembly; 4. a tail hook; 5. a mop; 6. a rotating roller; 7. a limiting strip; 8. a limiting component; 9. a limiting plate; 10. rotating the rod; 11. a transmission assembly; 12. a sprocket; 13. a chain; 14. a tight abutting block; 15. a friction rubber block; 16. a locking plate; 17. locking the horizontal plate; 18. locking the vertical plate; 19. a telescopic rod; 20. a fixed cylinder; 21. a travel bar; 22. a sliding groove; 23. a sliding block; 24. a plugging block; 25. a polygonal limiting block; 26. a polygonal limiting groove; 27. a connecting ring; 28. a connecting plate; 29. connecting columns; 30. hanging holes; 31. a front axle; 32. a front wheel; 33. a front mounting frame; 34. a front horizontal bar; 35. a front vertical rod; 36. a rear axle; 37. a rear wheel; 38. welding the plate; 39. a rear mounting frame; 40. a rear horizontal plate; 41. a rear vertical plate; 42. connecting the tail plate; 43. a butt joint plate; 44. a vertical first tailgate; 45. a horizontal first tailgate; 46. a horizontal second tailgate; 47. a vertical second tailgate; 48. a rib plate; 49. locking the bolt; 50. a spring; 51. a positioning ring; 52. and tightly abutting against the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a container trailer, including chassis 1, front axle assembly 2, rear axle assembly 3, tail hook 4 and mop 5.

Referring to fig. 1 and 3, a rotating roller 6 is rotatably connected to the base frame 1, and stopper bars 7 are welded to opposite sides of the base frame 1, so as to limit the container placed on the underframe 1, the underframe 1 is also provided with a limiting component 8, the limiting component 8 comprises four rotating rods 10 and limiting plates 9, the rotating rods 10 are rotatably connected on the underframe 1 through bearings, the length direction of the rotating rods 10 is perpendicular to that of the limiting strips 7, the rotating rods 10 penetrate through the underframe 1, the limiting plates 9 are arranged at two ends of the rotating rods 10, and limiting plate 9 is in 1 edge of chassis, has the space between limiting plate 9 and the spacing 7, and through the linkage of transmission assembly 11 between the adjacent dwang 10, transmission assembly 11 includes sprocket 12 and chain 13, and sprocket 12 sets up on dwang 10, and chain 13 cover is established on sprocket 12 on the adjacent dwang 10.

Referring to fig. 1 and 3, one side of limiting plate 9 towards chassis 1 center is connected with tightly supports piece 14, threaded connection has the tight bolt 52 that supports that runs through limiting plate 9 on the limiting plate 9, be equipped with the screw thread through-hole on the limiting plate 9, tightly support bolt 52 and screw thread through-hole threaded connection and run through the screw thread through-hole, tightly support piece 14 welding on tightly supporting bolt 52, tightly support one side that piece 14 deviates from tightly supporting bolt 52 and be connected with friction rubber piece 15, friction rubber piece 15 passes through glue with tightly supporting piece 14 and is connected, and the thickness sum of friction rubber piece 15 and the thickness sum of tightly supporting piece 14 is less than the distance between limiting plate 9 and the spacing 7.

Referring to fig. 1 and 4, a locking plate 16 is further connected to the chassis 1, the locking plate 16 includes a locking horizontal plate 17 and a locking vertical plate 18, one end of the locking vertical plate 18 is welded to the chassis 1, the other end of the locking vertical plate is welded to the locking horizontal plate 17, the locking horizontal plate 17 is perpendicular to the locking vertical plate 18, a rotating rod 10 at the edge is connected to a telescopic rod 19 with adjustable length, the telescopic rod 19 includes a fixed cylinder 20 and a moving rod 21, the fixed cylinder 20 is welded to the rotating rod 10, a sliding groove 22 is formed in the inner side wall of the fixed cylinder 20, the sliding groove 22 is communicated with the mouth of the fixed cylinder 20, a sliding block 23 is welded to the moving rod 21, the moving rod 21 is located in the fixed cylinder 20 and is in sliding fit with the fixed cylinder 20, the sliding block 23 is located in the sliding groove 22 and is in sliding fit with the sliding groove 22, and a sealing block 24 is welded to one end of the sliding groove 22, which, avoid sliding block 23 to break away from sliding groove 22 in, be connected with polygon stopper 25 on the carriage release lever 21 of telescopic link 19, be equipped with connect the via hole on the polygon stopper 25, carriage release lever 21 runs through connect the via hole and welds with polygon stopper 25, is equipped with the polygon spacing groove 26 that matches with polygon stopper 25 on the locking horizontal plate 17 of locking plate 16, and in this embodiment, polygon stopper 25 is the square stopper.

Referring to fig. 2 and 3, the mop 5 is arranged on the bottom frame 1, the mop 5 is rotatably connected with the bottom frame 1, the connecting ring 27 is welded on the bottom frame 1, the connecting plate 28 is welded on the mop 5, the connecting column 29 is welded on the connecting plate 28, the connecting column 29 is positioned in the connecting ring 27 and is rotatably connected with the connecting ring 27 through a bearing, and the mop 5 is provided with a hanging hole 30.

Referring to fig. 2 and 5, the front axle assembly 2 is disposed on the bottom frame 1 through the mop 5, the front axle assembly 2 includes a front axle 31 and front wheels 32, the front axle 31 is disposed on the mop 5 through a front mounting bracket 33, the front mounting bracket 33 includes a front horizontal rod 34 and a front vertical rod 35, the front vertical rod 35 is welded at two ends of the front horizontal rod 34, the front axle 31 is rotatably connected with the front vertical rod 35 through a bearing, and the front wheels 32 are disposed at two ends of the front axle 31.

Referring to fig. 2, rear axle assembly 3 is disposed on chassis 1, rear axle assembly 3 includes rear axle 36 and rear wheel 37, and the welding has welded board 38 on chassis 1, is connected with rear mounting bracket 39 on welding board 38, and rear mounting bracket 39 includes rear horizontal plate 40 and rear vertical plate 41, and rear horizontal plate 40 welds on welding board 38, and rear vertical plate 41 welds the both ends at rear horizontal plate 40, and rear axle 36 passes through the bearing rotation with rear vertical plate 41 to be connected, and rear wheel 37 sets up the both ends at rear axle 36.

Referring to fig. 1 and 6, the tail hook 4 is welded on the base frame 1, the tail hook 4 includes a connection tail plate 42, an abutting plate 43, a vertical first tail plate 44, a horizontal first tail plate 45, a horizontal second tail plate 46 and a vertical second tail plate 47, the connection tail plate 42 is welded on the base frame 1, the abutting plate 43 is welded on the connection tail plate 42 and is parallel to the ground, the vertical first tail plate 44 is welded on the abutting plate 43, the vertical first tail plate 44 is perpendicular to the abutting plate 43, a rib plate 48 is welded between the vertical first tail plate 44 and the abutting plate 43 so as to improve the stability between the vertical first tail plate 44 and the abutting plate 43, the horizontal first tail plate 45 and the horizontal second tail plate 46 are welded on the vertical first tail plate 44, the horizontal first tail plate 45 is perpendicular to the vertical first tail plate 44, the horizontal first tail plate 45 is parallel to the horizontal second tail plate 46, the horizontal first tail plate 45, the horizontal second tail plate 46 and the abutting plate 43 are sequentially arranged at intervals, one end of a vertical second tail plate 47 is welded with one end of a horizontal first tail plate 45 departing from the vertical first tail plate 44, the other end of the vertical second tail plate 47 is welded with one end of a horizontal second tail plate 46 departing from the vertical first tail plate 44, a locking bolt 49 is arranged on a tail hook 4, through holes are arranged on the horizontal first tail plate 45 and the horizontal second tail plate 46, a thread locking hole matched with the locking bolt 49 is arranged on a butt joint plate 43, the central line of the through hole on the horizontal first tail plate 45, the central line of the through hole on the horizontal second tail plate 46 and the central line of the thread locking hole are superposed, the locking bolt 49 penetrates through the horizontal first tail plate 45 and the horizontal second tail plate 46 through the through holes and is in threaded connection with the thread locking hole, a positioning ring 51 is welded on the locking bolt 49, the positioning ring 51 is positioned between the horizontal first tail plate 45 and the horizontal second tail plate 46, a spring 50 is further sleeved on the locking bolt 49, the spring 50 is located between the positioning ring 51 and the horizontal second tail plate 46, and when the spring 50 is in a natural state, a gap is left between the locking bolt 49 and the abutting plate 43.

The implementation principle of the embodiment is as follows: when transporting the container, place the container on chassis 1 earlier, pulling carriage release lever 21, carriage release lever 21 drives the sliding block 23 and slides in sliding groove 22, thereby change the relative position between carriage release lever 21 and the fixed section of thick bamboo 20, elongate telescopic link 19, remove the in-process at carriage release lever 21, carriage release lever 21 drives polygon stopper 25 and removes, pull out polygon stopper 25 from polygon stopper 26 in, rotate carriage release lever 21, carriage release lever 21 drives fixed section of thick bamboo 20 through the cooperation of sliding block 23 with sliding groove 22 and rotates.

Fixed cylinder 20 drives the dwang 10 that is in the edge at the rotation in-process and rotates, dwang 10 rotates sprocket 12 that the in-process drove the setting above that to rotate, sprocket 12 passes through chain 13 and drives another sprocket 12 and rotate, another sprocket 12 drives another dwang 10 and rotates, thereby take adjacent dwang 10 to rotate, through sprocket 12 and the whole rotations together of cooperation of chain 13 between the adjacent dwang 10, at dwang 10 at the rotation in-process, limiting plate 9 rotates along with dwang 10, make rotor plate perpendicular to chassis 1, the length direction perpendicular to ground of spacing piece, promote carriage release lever 21 again, carriage release lever 21 drives polygon stopper 25 and removes, insert polygon stopper 25 in polygon spacing groove 26, thereby lock carriage release lever 21, avoid carriage release lever 21 to rotate once more.

After the movable rod 21 is locked, the tight bolt 52 is rotated, the tight bolt 52 drives the tight block 14 and the friction rubber pad to move towards the direction close to the container in the rotating process, until the friction rubber pad butts against the side wall of the container, the limit strip 7 and the limit component 8 are matched to better limit the container, and therefore the possibility of shaking of the container in the transportation process is reduced.

When not using spacing subassembly 8, rotate tight bolt 52, tightly support bolt 52 and drive tightly to block 14 and the removal of friction rubber piece 15, make tightly support block 14 and friction rubber piece 15 and be located between limiting plate 9 and spacing 7, pulling carriage release lever 21, pull out polygon stopper 25 from polygon spacing groove 26, rotate carriage release lever 21 again, carriage release lever 21 drives dwang 10 and rotates, through the transmission of drive assembly 11 between the dwang 10 that links to each other, thereby realize that all dwang 10 rotate together, dwang 10 drives limiting plate 9 and rotates at the rotation in-process, limiting plate 9 drives tightly to block 14 and the movement of friction rubber piece 15, length direction until limiting plate 9 is on a parallel with ground, can reduce the shared space of container trailer this moment, it is convenient to bring for depositing of container trailer.

When two container trailers are required to be connected together, the mop 5 on one container trailer is inserted into a gap between the abutting plate 43 on the other container trailer and the horizontal second tail plate 46, so that the through hole, the thread locking hole and the hanging hole 30 on the mop 5 are communicated, the locking bolt 49 penetrates through the through hole and the hanging hole 30 and is screwed in the thread locking hole, the purpose of connecting the two container trailers together is realized, and at the moment, the spring 50 is changed from a natural state to a compressed state.

When two container trailers need to be detached, the locking bolt 49 is rotated, the locking bolt 49 is screwed out from the threaded locking hole, the limit of the mop 5 is relieved, the mop 5 is taken out from the position between the horizontal second tail plate 46 and the abutting plate 43, the detachment of the two containers is completed, the spring 50 is compressed to be in a natural state, a gap is reserved between the locking bolt 49 and the abutting plate 43, and when one container moves independently, the possibility of collision between the locking bolt 49 and the abutting plate 43 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a container trailer, includes chassis (1), front axle assembly (2), rear axle assembly (3), tail hook (4) and mop (5), and front axle assembly (2), rear axle assembly (3), tail hook (4) and mop (5) all set up on chassis (1), are equipped with hanging hole (30), its characterized in that on mop (5): still include spacing subassembly (8), spacing subassembly (8) are including dwang (10) and limiting plate (9), dwang (10) are rotated and are connected in chassis (1), limiting plate (9) set up on dwang (10), and limiting plate (9) are in chassis (1) edge, still be equipped with locking plate (16) on chassis (1), be connected with telescopic link (19) with adjustable length on dwang (10), be equipped with polygon stopper (25) on telescopic link (19), be equipped with polygon spacing groove (26) that match with polygon stopper (25) on locking plate (16).

2. The container trailer of claim 1, wherein: the rotating rod (10) penetrates through the bottom frame (1), and the limiting plates (9) are arranged at two ends of the rotating rod (10).

3. The container trailer of claim 1, wherein: adjacent through drive assembly (11) linkage between dwang (10), drive assembly (11) include sprocket (12) and chain (13), and sprocket (12) set up on dwang (10), and chain (13) cover is established on sprocket (12) on adjacent dwang (10), and telescopic link (19) set up on one of them dwang (10).

4. The container trailer of claim 1, wherein: one side, facing the center of the underframe (1), of the limiting plate (9) is connected with a tight abutting block (14), the limiting plate (9) is connected with a tight abutting bolt (52) penetrating through the limiting plate (9) in a threaded mode, and the tight abutting block (14) is arranged on the tight abutting bolt (52).

5. A container trailer according to claim 4, wherein: and a friction rubber block (15) is arranged on one side of the tight abutting block (14) departing from the tight abutting bolt (52).

6. The container trailer of claim 1, wherein: the mop (5) is rotatably connected with the bottom frame (1), the front axle assembly (2) comprises a front shaft (31) and front wheels (32), the front shaft (31) is arranged on the mop (5), and the front wheels (32) are arranged at two ends of the front shaft (31).

7. The container trailer of claim 1, wherein: the tail hook (4) comprises a connecting tail plate (42), a butt plate (43), a vertical first tail plate (44), a horizontal first tail plate (45), a horizontal second tail plate (46) and a vertical second tail plate (47), the connecting tail plate (42) is arranged on the chassis (1), the butt plate (43) is arranged on the connecting tail plate (42) and is parallel to the ground, the vertical first tail plate (44) is arranged on the butt plate (43), the horizontal first tail plate (45) and the horizontal second tail plate (46) are arranged on the vertical first tail plate (44), the horizontal first tail plate (45), the horizontal second tail plate (46) and the butt plate (43) are sequentially arranged at intervals, one end of the vertical second tail plate (47) is connected with the horizontal first tail plate (45), the other end of the vertical second tail plate (47) is connected with the horizontal second tail plate (46), and a locking bolt (49) is arranged on the tail hook (4), all be equipped with the through-hole on first tailboard of level (45) and the second tailboard of level (46), be equipped with the screw locking hole that matches with locking bolt (49) on butt joint board (43), locking bolt (49) are downthehole at screw locking through the first tailboard of level (45) and the first tailboard of level (46) of passing through of through-hole and spiro union.

8. The container trailer of claim 7, wherein: and the locking bolt (49) is also provided with a positioning ring (51), and the positioning ring (51) is positioned between the horizontal first tail plate (45) and the horizontal second tail plate (46).

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