CN211592556U - Piggyback transport vehicle - Google Patents

Abstract

The utility model provides a piggyback transport vehicle. The piggyback transport vehicle comprises: a loading frame having a loading space and an accommodating space communicating with the loading space; the container locking device comprises a rotating lock, the rotating lock is adjustably installed at the accommodating space, and the rotating lock is provided with a locking state and an avoiding state; when the rotary lock is in a locking state, the rotary lock head of the rotary lock extends out of the accommodating space and extends into the loading space so as to lock the container; when the rotation lock is in the avoiding state, the rotation lock is retracted into the accommodating space, so that the wheeled vehicle can move into or out of the loading space. The technical scheme of the utility model the function singleness of carrying transport vechicle among the prior art has been solved, the problem that can't transport container and wheeled vehicle simultaneously.

Description

Piggyback transport vehicle

Technical Field

The utility model relates to a transportation equipment technical field particularly, relates to a piggyback transport vechicle.

Background

The railway piggyback transportation is a convenient transportation mode that after goods are loaded on a road truck or a semi-trailer, the road truck automatically drives a special railway vehicle at a train station at an origin, long-distance transportation is completed through a railway, and after the goods arrive at a destination train station, the road truck automatically drives the special railway vehicle and drives the special railway vehicle to a final destination.

The piggyback transport vehicle in the prior art is only used for transporting wheeled vehicles such as road trucks or semi-trailers and the like, and can not transport containers, so that the piggyback transport vehicle has a single function.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a piggyback transport vehicle to solve the function singleness of the piggyback transport vehicle among the prior art, can't transport the problem of container and wheeled vehicle simultaneously.

In order to achieve the above object, the utility model provides a piggyback transport vehicle, include: a loading frame having a loading space and an accommodating space communicating with the loading space; the container locking device comprises a rotating lock, the rotating lock is adjustably installed at the accommodating space, and the rotating lock is provided with a locking state and an avoiding state; when the rotary lock is in a locking state, the rotary lock head of the rotary lock extends out of the accommodating space and extends into the loading space so as to lock the container; when the rotation lock is in the avoiding state, the rotation lock is retracted into the accommodating space, so that the wheeled vehicle can move into or out of the loading space.

Further, the loading frame comprises two side beams which are oppositely arranged along the first direction and a bottom plate which is connected between the two side beams, and the bottom plate and the two side beams form a loading space; the surfaces of the two side beams which are arranged oppositely are provided with accommodating spaces.

Furthermore, a plurality of accommodating spaces are arranged on each side beam at intervals along the second direction; each accommodating space is internally provided with a rotary lock; a plurality of rotary locks for locking one or more containers; the second direction is perpendicular to the first direction.

Further, the rotary lock on one side beam is arranged opposite to the rotary lock on the other side beam.

Further, the first end of the bottom plate and the first ends of the two side beams enclose an opening for the wheeled vehicle to enter or exit; the container locking device also comprises a fixed lock, and the fixed lock is arranged at the second end of the bottom plate so as to avoid influencing the driving-in or driving-out of the wheeled vehicle; the fixed lock cooperates with the rotary lock to lock one or more containers.

Further, a part of the surface of the second end of the bottom plate is arranged to protrude upwards, so that when the rotary lock is in the locked state, the height of the fixed lock head of the fixed lock is flush with the height of the rotary lock head of the rotary lock.

Further, the piggyback transport vehicle further comprises: the first end of the loading frame is connected with the first end of the end underframe; the first end of tip chassis is provided with the dead lock.

Furthermore, the fixing locks are multiple, the two fixing locks are symmetrically arranged on two sides of the bottom plate, and the two fixing locks are symmetrically arranged on two sides of the end underframe.

Further, the piggyback transport vehicle further comprises: a middle chassis; the number of the middle underframe is one, the number of the end underframe and the number of the loading frames are two, one end underframe and one loading frame form a first vehicle, the other end underframe and the other loading frame form a second vehicle, and the first vehicle and the second vehicle form a transport vehicle group; the middle chassis is arranged between the first vehicle and the second vehicle; the first end of the loading frame of the first vehicle and the first end of the loading frame of the second vehicle can rotate around the joint connector; the movable sliding table is movably arranged on the end part underframe and is provided with an outward swinging position and a recovery position; when the movable sliding table is positioned at the outward swinging position, the movable sliding table and the end part chassis form a slideway for the loading frame to rotate; the lifting device is arranged on the loading frame and used for driving the loading frame to lift relative to the end underframe; and the driving device is arranged on the end underframe and is used for driving the loading frame to rotate relative to the end underframe.

Further, the rotary lock comprises: the first end of the locking structure is hinged with the side beam, the locking structure is provided with a locking position extending out of the accommodating space and an avoiding position retracting into the accommodating space, and the locking structure is provided with a rotary lock head; a support structure, a first end of the support structure being hinged to a second end of the locking structure; the support structure has a retracted position and a support position cooperating with the side beam in a direction away from the locking structure; when the rotary lock is in a locked state and the locking structure is in the locked position, the supporting structure is in the supporting position and the locking structure stays in the locked position; when the rotary lock is in the avoiding state and the locking structure is located at the avoiding position, the supporting structure is located at the withdrawing position and is withdrawn into the accommodating space.

Further, the piggyback transport car further comprises a loading reinforcement device, and the loading reinforcement device comprises: the supporting assembly comprises a supporting frame and a first rack arranged on the supporting frame, and the supporting frame is placed on the bottom plate and is abutted to the wheeled vehicle; the limiting assembly comprises a second rack and a limiting part which are connected, the second rack is used for being matched with the first rack in an inserting mode, the position of the second rack matched with the first rack in the inserting mode is adjustable, and the limiting part is abutted to the loading frame so as to load and reinforce the wheeled vehicle loaded in the loading space.

Further, the wheeled vehicle comprises a road semi-trailer with a length not greater than 14.6m and/or a road truck with a length not greater than 12 m; the containers include 20ft containers and/or 40ft containers and/or 45ft containers.

Use the technical scheme of the utility model, this application provides a piggyback transport vechicle with container locking device, makes piggyback transport vechicle have multiple functions, can transport the container, can transport wheeled vehicle again. When the container needs to be transported by a piggyback transport vehicle, the rotary lock of the container locking device is switched to a locking state, and the rotary lock head of the rotary lock extends into the loading space from the accommodating space to lock the container; when the piggyback transport vehicle is required to transport the wheeled vehicle, the rotary lock of the container locking device is switched to an avoidance state, and the rotary lock is retracted into the accommodating space from the loading space, so that the influence on the driving of the wheeled vehicle into or out of the loading space of the loading frame is avoided. The rotary lock is small in stress, and can stably and reliably support and lock the container; and the rotary lock is in an inward turning type, so that the requirement on loading and unloading sites of the piggyback transport vehicle is low, and the practicability of the piggyback transport vehicle is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic top view of a piggyback transport vehicle according to an alternative embodiment of the present invention;

fig. 2 shows a schematic front view of the piggyback transport vehicle of fig. 1;

fig. 3 is a schematic top view showing a partial structure of the piggyback transport car of fig. 1;

figure 4 shows a schematic top view of the loading frame of the piggyback transport vehicle of figure 1;

fig. 5 shows a front view of the carrier of fig. 4;

figure 6 shows a schematic top view of an end chassis of the piggyback transport vehicle of figure 1;

fig. 7 shows a schematic structural view of the rotary lock of the piggyback transport vehicle of fig. 1, wherein the rotary lock is in a locked state;

fig. 8 shows a schematic structural view of the rotary lock of the piggyback transport vehicle of fig. 1, wherein the rotary lock is in an evasive state;

figure 9 shows a schematic view of the cooperating structure of the loading frame, the load reinforcement device and the wheeled vehicle of the piggyback transport vehicle of figure 1;

FIG. 10 shows a schematic structural view of the load-securing device of FIG. 9;

fig. 11 shows a schematic view of the piggyback transport car of fig. 1 in a configuration when loading a 13m highway semitrailer;

fig. 12 shows a schematic view of the piggyback transport car of fig. 1 in a configuration when loading a 13.75m road semitrailer;

fig. 13 shows a schematic view of the piggyback transport car of fig. 1 in a configuration when loading a 14.6m highway semitrailer;

fig. 14 shows a schematic configuration of the piggyback transport car of fig. 1 when loading a 12m road wagon;

fig. 15 shows a schematic view of the piggyback transport vehicle of fig. 1 when loading 2 20ft containers;

fig. 16 shows a schematic view of the piggyback transport vehicle of fig. 1 when loading 1 40ft containers;

fig. 17 shows a schematic view of the piggyback transport car of fig. 1 when loading 1 45ft containers.

Wherein the figures include the following reference numerals:

100. a loading frame; 101. a side beam; 102. a base plate; 103. a groove; 1. a loading space; 2. an accommodating space; 200. a container locking device; 201. rotating the lock; 10. a locking structure; 11. rotating the lock head; 20. a support structure; 202. fixing a lock; 12. fixing the lock head; 300. an end chassis; 301. a container guide; 400. an articulation connector; 500. a middle chassis; 600. moving the sliding table; 700. a lifting device; 800. a drive device; 900. loading a reinforcing device; 30. a support assembly; 31. a support frame; 32. a first rack; 40. a limiting component; 41. a second rack; 42. a limiting member; 3. a container; 4. a wheeled vehicle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problem that the function of the piggyback transport vehicle in the prior art is single and the container and the wheeled vehicle can not be transported simultaneously, the utility model provides a piggyback transport vehicle.

As shown in fig. 1 to 17, the piggyback transport vehicle includes a loading frame 100 and a container locking device 200, the loading frame 100 having a loading space 1 and an accommodating space 2 communicating with the loading space 1, the container locking device 200 including a rotary lock 201, the rotary lock 201 being state-adjustably installed at the accommodating space 2, the rotary lock 201 having a locked state and an evasive state; when the rotary lock 201 is in the locked state, the rotary lock head 11 of the rotary lock 201 extends out of the accommodating space 2 and into the loading space 1 to lock the container 3; when the rotation lock 201 is in the retracted state, the rotation lock 201 is retracted into the accommodating space 2 to allow the wheeled vehicle 4 to move into or out of the loading space 1.

In the embodiment of the present application, a piggyback car having a container locking device 200 is provided, so that the piggyback car has various functions of carrying both a container 3 and a wheeled vehicle 4. When the container 3 needs to be transported by a piggyback transport vehicle, the rotary lock 201 of the container locking device 200 is switched to a locking state, and the rotary lock head 11 of the rotary lock 201 extends into the loading space 1 from the accommodating space 2 to lock the container 3; when the wheeled vehicle 4 needs to be transported by a piggyback transport vehicle, the rotary lock 201 of the container locking device 200 is switched to the avoidance state, and the rotary lock 201 is retracted from the loading space 1 into the accommodating space 2, so that the wheeled vehicle 4 is prevented from being influenced to move into or out of the loading space 1 of the loading frame 100. The rotary lock 201 is stressed less, and can stably and reliably support and lock the container 3; and the rotary lock 201 is of an inward turning type, so that the requirement on loading and unloading sites of the piggyback transport vehicle is low, and the practicability of the piggyback transport vehicle is improved.

The piggyback transport vehicle provided by the embodiment improves the adaptability of the piggyback transport vehicle, increases the use of the piggyback transport vehicle, increases the transport range of the piggyback transport vehicle, and increases the use flexibility of the piggyback transport vehicle.

As shown in fig. 4 and 5, the loading frame 100 includes two side members 101 oppositely disposed in a first direction and a bottom plate 102 connected between the two side members 101, the bottom plate 102 and the two side members 101 enclosing a loading space 1; the accommodating spaces 2 are provided on the oppositely disposed surfaces of both side members 101. Thus, the rotary lock 201 is arranged on the side beam 101, when the container 3 needs to be transported, the rotary lock 201 is in a locked state, the rotary lock head 11 of the rotary lock 201 extends out of the accommodating space 2 and into the loading space 1, and the container 3 loaded in the loading space 1 is supported and locked; when the wheeled vehicle 4 needs to be transported, the rotation lock 201 is in the avoidance state, the rotation lock 201 is completely retracted into the accommodating space 2 of the side sill 101, and the wheeled vehicle 4 can smoothly enter or exit the loading space 1 without colliding with the rotation lock 201.

Optionally, each side beam 101 is provided with a plurality of accommodating spaces 2, and the plurality of accommodating spaces 2 are arranged at intervals along the second direction; each accommodating space 2 is internally provided with a rotary lock 201; a plurality of rotary locks 201 for locking one or more containers 3; the second direction is perpendicular to the first direction. Thus, the container locking device 200 can support and lock one container 3 more reliably by increasing the number of the rotary locks 201 that lock one container 3; the spacing distance between two adjacent accommodating spaces 2 can be selected according to actual needs to group a plurality of rotary locks 201, so that the container locking device 200 can lock a plurality of containers 3.

Alternatively, the rotation lock 201 on one side beam 101 is disposed opposite the rotation lock 201 on the other side beam 101. In this way, the plurality of rotary locks 201 support and lock the container 3 more uniformly.

As shown in fig. 4 and 5, the first end of the bottom plate 102 and the first ends of the two side sills 101 enclose an opening for the wheeled vehicle 4 to enter or exit; the container locking device 200 further includes a fixing lock 202, the fixing lock 202 being provided at the second end of the floor plate 102 to avoid interference with the entrance or exit of the wheeled vehicle 4; the fixed lock 202 cooperates with the rotating lock 201 to lock one or more containers 3. Because the fixed lock 202 is located at the end away from the opening for the wheeled vehicle 4 to enter or exit, the entering or exiting of the wheeled vehicle 4 is not affected, and the structure of the fixed lock 202 is simpler, so that the structure of the piggyback transport vehicle is further simplified and the production cost of the piggyback transport vehicle is reduced without affecting the function of the piggyback transport vehicle.

In the embodiment shown in fig. 4 and 5, three rotation locks 201 are provided on one side beam 101 of the carrier 100, wherein one rotation lock 201 is located at the first end of the carrier 100, two rotation locks 201 are located at the middle of the carrier 100, and the interval between the two rotation locks 201 located at the middle is small; the other side beam 101 is provided with three corresponding rotary locks 201. Thus, as shown in fig. 15, when the size of the container 3 to be transported is small, two rotary locks 201 located at the middle portions of two side beams 101 and two rotary locks 201 located at the first ends of two side beams 101 may serve as first locking assemblies to cooperate with four corner fittings of one container 3 to support and lock the container 3, and the other two rotary locks 201 located at the middle portions of two side beams 101 and two fixed locks 202 located at the second ends of two side beams 101 may serve as second locking assemblies to cooperate with four corner fittings of the other container 3 to support and lock the container 3; so that the loading frame 100 of the piggyback transport vehicle can load and transport two containers 3 at the same time; as shown in fig. 16, when the size of the container 3 to be transported is large, two rotating locks 201 at the first ends of the two side members 101 and two fixing locks 202 at the second ends of the two side members 101 may be used as third locking assemblies to cooperate with the four corner members of the container 3, thereby supporting and locking the container 3.

As shown in fig. 5, a partial surface of the second end of the base plate 102 is protruded upward so that the height of the stationary lock head 12 of the stationary lock 202 is flush with the height of the rotary lock head 11 of the rotary lock 201 when the rotary lock 201 is in the locked state. Part of the surface of the second end of the bottom plate 102 is arranged to be convex upwards, and a middle underframe 500 and other structures can be conveniently arranged below the second end of the bottom plate 102, so that the piggyback transport vehicle is compact in structure.

As shown in fig. 1 to 3, 6, the piggyback transport further comprises an end chassis 300, the first end of the carrier 100 being connected to the first end of the end chassis 300; the first end of the end chassis 300 is provided with a securing latch 202. Thus, when the piggyback transport vehicle is used to transport the container 3, the stationary lock 202 located at the first end of the end chassis 300 may cooperate with the rotary lock 201 or the stationary lock 202 located on the loading frame 100 to support and lock the container 3; when the piggyback transport vehicle is used for transporting the wheeled vehicle 4, the loading frame 100 is rotated and lifted relative to the end chassis 300 so that the wheeled vehicle 4 can be driven into or out of the loading space 1 through the opening of the first end of the loading frame 100, and the lock 202 provided on the end chassis 300 also does not affect the driving in or out of the wheeled vehicle 4. The application further improves the application range of the piggyback transport vehicle by arranging the fixing lock 202 on the end underframe 300.

As shown in fig. 4 and 6, the fixing latch 202 is provided in plurality, two fixing latches 202 are symmetrically disposed on both sides of the base plate 102, and two fixing latches 202 are symmetrically disposed on both sides of the end chassis 300. As shown in fig. 16, when the size of the container 3 to be transported is larger, the two pins 202 located at the first end of the end chassis 300 cooperate with the two pins 202 located at the second ends of the two side sills 101 as a fourth locking assembly, thereby supporting and locking the larger size container 3.

Optionally, a container guide 301 is also provided on the end chassis 300.

As shown in fig. 1 and 2, the piggyback transport vehicle further includes a joint connector 400, a middle chassis 500, a moving slide 600, a lifting device 700, and a driving device 800; the middle chassis 500 is one, and the end chassis 300 and the loading frames 100 are both two, wherein one end chassis 300 and one of the loading frames 100 form a first vehicle, the other end chassis 300 and the other loading frame 100 form a second vehicle, and the first vehicle and the second vehicle form a transport vehicle group; the center chassis 500 is disposed between the first vehicle and the second vehicle; the joint connector 400 is arranged on the middle chassis 500, the first vehicle and the second vehicle are movably connected through the joint connector 400, and the first end of the loading frame 100 of the first vehicle and the first end of the loading frame 100 of the second vehicle can rotate around the joint connector 400; the movable sliding table 600 is movably arranged on the end underframe 300, and the movable sliding table 600 has an outward swinging position and a recovery position; when the movable sliding table 600 is located at the outward swinging position, the movable sliding table 600 and the end chassis 300 form a slideway for the loading frame 100 to rotate, the lifting device 700 is arranged on the loading frame 100 and used for driving the loading frame 100 to lift relative to the end chassis 300, and the driving device 800 is arranged on the end chassis 300 and used for driving the loading frame 100 to rotate relative to the end chassis 300. The structure of the two vehicle groups is adopted, so that the transport vehicle groups are more flexible in marshalling, and the piggyback transport vehicle adopts the mode of the transport vehicle groups, so that the piggyback transport vehicle can transport more cargos at one time under the conditions of more compact structure and lower cost; in order to facilitate the entry and exit of the wheeled vehicle 4, a movable slide table 600, a lifting device 700, and a driving device 800 are provided. When the piggyback transport vehicle is used to transport the wheeled vehicle 4, the first vehicle is taken as an example to be specifically explained: firstly, the movable sliding table 600 is located at an outward swinging position, the movable sliding table 600 and the end underframe 300 jointly form a slideway, then the loading frame 100 of the first vehicle is driven to rotate relative to the end underframe 300 of the first vehicle by the driving device 800 by taking the joint connector 400 as a rotation center, then the movable sliding table 600 is located at a recovery position, then the loading frame 100 of the first vehicle is driven to descend relative to the end underframe 300 of the first vehicle by the lifting device 700, and the wheeled vehicle 4 drives in or out of the loading frame 100 through an opening at a first end of the loading frame 100 of the first vehicle; after the wheeled vehicle 4 has been completely driven in or out, the loading frame 100 of the first vehicle is driven by the lifting device 700 to be raised relative to the end chassis 300 of the first vehicle, the movable slide table 600 is positioned at the outward swing position, the loading frame 100 of the first vehicle is driven by the driving device 800 to be rotated back relative to the end chassis 300 of the first vehicle about the joint connector 400, and then the movable slide table 600 is positioned at the recovery position. The piggyback transport vehicle provided by the embodiment can facilitate cargo loading, and is simple in structure and convenient to operate. The piggyback transport vehicle of the embodiment can be used for road-rail combined transportation of wheeled vehicles 4 such as road trucks or semitrailers and containers 3, and greatly improves railway transport capacity.

Optionally, a hydraulic and electric system is also provided on the piggyback transport vehicle. The piggyback transport vehicle mainly comprises a vehicle body, a hydraulic device, an electric control device, an air brake device, a hand brake device, a coupler buffer device, a K6-turning bogie integrated brake and the like. Wherein, car groups are connected by a car coupler buffer device, and the groups are connected by a joint connector. One group of vehicles employs 3 sets of control valves and 2 sets of hand brakes.

Optionally, the body of the piggyback transport vehicle is an all-steel welded structure, and is composed of an end chassis 300, a loading frame 100, a middle chassis 500, a moving sliding table 600, an end chassis supporting device, a sprocket transmission device, a lifting device 700, a loading reinforcing device 900, a fixed saddle device, a joint connector 400 and the like.

Optionally, the carrier 100 is the main load-bearing part of the road semi-trailer. To facilitate ingress and egress of road trucks to and from the carrier 100, a transition plate is provided at a first end of the carrier 100; in order to facilitate the smooth lifting of the semitrailer supporting device, the connecting end part of the side beam and the end part is provided with a concave groove structure; in order to facilitate the loading and reinforcement of the highway truck by the operator, the side beams 101 are provided with oval holes. The loading frame 100 is of an external side plate and internal side column structure, the outer surface is smooth, and the vehicle has good aerodynamic performance during running. The device is mainly formed by assembling and welding end beams, traction beams, cross beams, side beams 101, reinforcing transverse belts, longitudinal beams, end vertical supports, end longitudinal support beams, middle connecting beams, ground supporting seats, a bottom plate 102, joint connectors, locking devices, movable guide devices, fixed guide devices and the like. The carrier 100 is also welded to the fixed lock 202 and the rotating lock 201.

Optionally, the end underframe 300 is located at the end of the piggyback transport vehicle, has functions of traction, semi-trailer loading, connection with the loading frame 100, limit and the like, and is a main loading part of the piggyback transport vehicle. The end underframe 300 is composed of a traction beam, a sleeper beam, a side beam, an end beam, a slideway, a longitudinal support, a vertical support, a head collision device, a loading frame longitudinal support self-locking device, a movable sliding table guide device, a chain wheel support, a hydraulic oil cylinder support, a movable sliding table balance seat and the like.

Optionally, a middle chassis 500 is disposed between the knuckle coupler 400 and the middle two bogies, and mainly functions to realize that the middle two bogies of the vehicle can uniformly bear vertical loads. The middle chassis 500 is mainly composed of a center plate base, an upper center plate, side bearings, upper side bearings, end beams, large cross beams and the like. Wherein, the center plate seat and the side bearing are arranged above the large beam of the middle underframe 500 and are matched with the joint connector 400 arranged on the loading frame 100 and the upper side bearing for use; the upper center plate and the upper side bearing are arranged below the end beams at the two sides of the middle underframe 500 and are matched with a steering K6 type bogie for use.

Alternatively, the moving slide 600 is disposed at both sides of the end chassis 300, and mainly functions to provide a horizontal slide for the rotation of the loading frame 100. The movable sliding table 600 is composed of a rotating shaft, a guide shaft, a supporting shaft, a baffle plate, a connecting plate, a slide way, a guide beam, a web plate, a bottom plate, supporting legs, an oil cylinder support and the like.

Alternatively, the lifting device 700 is disposed at both sides of the first end of the loading frame 100, the horizontal rolling wheels are seated on the slide rails of the end chassis 300, and the vertical guide wheels are placed in the support seats of the lifting device 700. The guide seat is matched with a transmission stop block in the chain wheel transmission device for use. Its primary function is to provide support and guidance for the lifting and rotation of the carrier 100. The lifting device 700 is composed of a safety gear, a supporting plate, a connecting plate, a guide seat, a rolling wheel, a guide wheel, a sliding block, a hydraulic cylinder support and the like.

Alternatively, the driving means 800 is a sprocket drive arranged inside the end chassis 300, primarily to power the rotation of the carrier 100. The chain wheel transmission device comprises a driving wheel, a guide wheel, a tension wheel, a chain, a transmission stop block, an automatic tensioning device and the like.

Optionally, the end chassis support means is arranged below the connecting end of the end chassis 300 to the carrier 100, and serves primarily to provide vertical support for the carrier 100 and the end chassis 300 for lifting and rotating action of the carrier 100. The end underframe supporting device mainly comprises a base, a guide sleeve, a connecting beam, a bottom plate, a rotating shaft support, a hydraulic cylinder support, a rotating sleeve support, a collision head, a central supporting seat and the like. Wherein, the uide bushing is the rectangle structure, and lift cylinder sets up in the uide bushing, and lift cylinder one end is connected with the mounting hole.

As shown in fig. 7 and 8, the rotary lock 201 includes a locking structure 10 and a supporting structure 20, a first end of the locking structure 10 is hinged with the side beam 101, the locking structure 10 has a locking position extending from the accommodating space 2 and an avoiding position retracting into the accommodating space 2, the locking structure 10 has a rotary lock head 11; a first end of the support structure 20 is hinged with a second end of the locking structure 10; in a direction away from the locking structure 10, the support structure 20 has a retracted position and a support position cooperating with the side beam 101; when the rotary lock 201 is in the locked state and the locking structure 10 is in the locked position, the support structure 20 is in the support position and the locking structure 10 stays in the locked position; when the rotary lock 201 is in the retracted state and the locking structure 10 is in the retracted position, the support structure 20 is in the retracted position and retracted into the accommodating space 2.

Like this, when locking structure 10 stretches out to the latched position by accommodation space 2 and locks container 3, bearing structure 20 moves to the support position and cooperates with curb girder 101 of loading frame 100 along with locking structure 10, make locking structure 10 stop in latched position department, compare like this in solitary cantilever structure safe and reliable more, the atress is less, can support and lock container 3 more reliably stably, be favorable to promoting the performance of rotatory lock 201, and then the piggy-back transport vechicle that has applied the interior upset rotatory lock is safer and reliable in the in-process of transporting container 3. Meanwhile, the inward turning type rotary lock does not occupy extra space, so that the piggyback transport vehicle is not limited by a field and can unload goods in a high platform or a building boundary area; when the piggyback transport vehicle needs to transport the wheeled vehicle again, when the locking structure 10 moves from the locking position to the avoiding position, the locking structure 10 retracts into the accommodating space 2, the supporting structure 20 moves to the retracting position along with the locking structure 10, the supporting structure 20 retracts into the accommodating space 2, and the wheeled vehicle can reliably and smoothly drive in or out of the loading frame 100 without interfering with the rotary lock 201, so that the piggyback transport vehicle provided by the application can transport the wheeled vehicle 4 and the container 3.

As shown in fig. 9 and 10, the piggyback transport vehicle further includes a loading reinforcing device 900, the loading reinforcing device 900 includes a support assembly 30 and a limiting assembly 40, the support assembly 30 includes a support frame 31 and a first rack 32 disposed on the support frame 31, the support frame 31 is disposed on the bottom plate 102 and abuts against the wheeled vehicle 4, the limiting assembly 40 includes a second rack 41 and a limiting member 42 connected to each other, the second rack 41 is used for being in plugging fit with the first rack 32, the position where the second rack 41 is in plugging fit with the first rack 32 is adjustable, and the limiting member 42 abuts against the loading frame 100 to load and reinforce the wheeled vehicle 4 loaded in the loading space 1. As shown in fig. 4, the bottom plate 102 is provided with a plurality of grooves 103 for matching with the position-limiting members 42; as shown in fig. 9, the stoppers 42 extend into the corresponding recesses 103, and abut against the groove side walls of the recesses 103. Thus, the supporting frame 31 abuts against the wheeled vehicle 4 loaded on the piggyback transport vehicle, then the position of the second rack 41 in the insertion fit with the first rack 32 is adjusted, the second rack 41 drives the limiting member 42 to move, so that the limiting member 42 abuts against the piggyback transport vehicle, and the inserted second rack 41 and the first rack 32 do not move relatively along the extending direction of the first rack 32, so that the wheeled vehicle 4 can be prevented from moving towards one side close to the loading reinforcing device 900. Since the sizes of the different wheeled vehicles 4 are different, the positions loaded on the piggyback transport vehicles are different, and the loading reinforcing device 900 provided by the application can adapt to the wheeled vehicles 4 with different sizes by adjusting the positions of the supporting frames 31 on the piggyback transport vehicles. The application provides a load reinforcing apparatus 900 has convenient operation save time, good reliability and dismantles convenient advantage.

Optionally, wheeled vehicle 4 comprises a road semi-trailer of length no greater than 14.6m and/or a road truck of length no greater than 12 m; the containers 3 comprise 20ft containers and/or 40ft containers and/or 45ft containers. Since the standard containers in the existing market generally comprise 20ft containers, 40ft containers and 45ft containers, the piggyback transport vehicle provided by the application can meet the use requirements of the existing market; of course, the piggyback transport provided by the present application may also be appropriately sized to accommodate other types of containers on the market.

Optionally, the piggyback transport vehicle provided by the embodiment can meet the transportation requirements of a road semi-trailer with the length of below 14.6m or a small road truck with the length of below 12m specified in GB 1589; the piggyback transport vehicle provided by the embodiment is also suitable for loading and transporting the external dimension according to ISO 668: 95 series 1 containers-two 20ft containers or one 40ft container or one 45ft container as specified by classification, size and weight rating.

Optionally, when the piggyback transport vehicle provided by the embodiment loads the highway semitrailer, the maximum load is 40 t; when the small-sized road freight car is loaded, the maximum load is 31 t; when the container is loaded, the maximum load is 61 t.

Optionally, the piggyback transport vehicle provided by the embodiment is used for loading a road semi-trailer or a road truck with the width not greater than 2550mm and the height not greater than 4000 mm.

Optionally, the piggyback transport vehicle provided by the embodiment is used for loading the external dimension in conformity with ISO 668: 95 series 1 containers-class, size and rated weight) specifies two 20ft containers with a single total mass of no more than 30.48 t.

Optionally, the piggyback transport vehicle provided in this embodiment is used to load a 40ft or 45ft container having a total mass of no more than 35T, in a form factor conforming to the requirements of GB/T35201 series 2 container-classification, size and weight rating.

As shown in fig. 11, a transport train set of piggyback transport cars is used to transport a 13m road semi-trailer; as shown in fig. 12, a transport consist of piggyback transport vehicles is used to transport a 13.75m road semi-trailer; as shown in fig. 13, a transport train set of piggyback transport cars is used to transport a 14.6m road semi-trailer; as shown in fig. 14, a consist of piggyback transport cars is used to transport a 12m road truck; as shown in fig. 15, one transport block of the piggyback transport car is used to transport 2 20ft containers, at which time, the rotary lock 201 and the stationary lock 202 provided on the loading frame 100 are in an operating state; as shown in fig. 16, one transport block of the piggyback transport car is used to transport 1 40ft containers, at which time, the rotary lock 201 and the stationary lock 202 provided on the loading frame 100 are in an operating state; as shown in fig. 17, one consist of a piggyback transport is used to transport 1 45ft containers with the deadlocks 202 on the carrier 100 and the deadlocks 202 on the end underframe 300 in service. The piggyback transport vehicle provided by the embodiment has various and flexible loading working condition types, strong universality and wide adaptability.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the piggyback transport vehicle has the advantages of wide adaptability and flexible and diverse goods loading, has various transport functions, can be selected to transport a road semi-trailer, a road truck or a container by the piggyback transport vehicle according to market conditions, and ensures the application diversity of the piggyback transport vehicle.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or state relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or state relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe the spatial state relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A piggyback transport vehicle, comprising:

a loading frame (100), the loading frame (100) having a loading space (1) and an accommodating space (2) communicating with the loading space (1);

a container locking device (200), said container locking device (200) comprising a rotary lock (201), said rotary lock (201) being state-adjustably mounted at said accommodation space (2), said rotary lock (201) having a locked state and an evasive state; when the rotary lock (201) is in the locking state, a rotary lock head (11) of the rotary lock (201) extends out of the accommodating space (2) and into the loading space (1) so as to lock a container (3); when the rotary lock (201) is in the avoiding state, the rotary lock (201) retracts into the accommodating space (2) so that the wheeled vehicle (4) can move into or out of the loading space (1).

2. The piggyback transport vehicle according to claim 1, characterized in that the loading frame (100) comprises two side beams (101) oppositely arranged in a first direction and a bottom plate (102) connected between the two side beams (101), the bottom plate (102) and the two side beams (101) enclosing the loading space (1); the accommodating space (2) is arranged on the surface of the two side beams (101) which are arranged oppositely.

3. The piggyback transport vehicle according to claim 2, wherein each of said side beams (101) is provided with a plurality of said accommodating spaces (2), the plurality of said accommodating spaces (2) being arranged at intervals in the second direction; each accommodating space (2) is internally provided with one rotary lock (201); a plurality of said rotary locks (201) for locking one or more containers (3); the second direction is perpendicular to the first direction.

4. The piggyback transport vehicle of claim 3, wherein the rotary lock (201) on one of said side beams (101) is disposed opposite the rotary lock (201) on the other of said side beams (101).

5. The piggyback transport vehicle of any one of claims 2 to 4,

the first end of the bottom plate (102) and the first ends of the two side beams (101) enclose an opening for the wheeled vehicle (4) to enter or exit;

the container locking device (200) further comprises a fixed lock (202), wherein the fixed lock (202) is arranged at the second end of the bottom plate (102) to avoid influencing the driving-in or driving-out of the wheeled vehicle (4); the fixed lock (202) cooperates with the rotating lock (201) to lock one or more containers (3).

6. The piggyback transport vehicle of claim 5, wherein a portion of the surface of the second end of the base plate (102) is upwardly convex so that the height of the stationary lock head (12) of the stationary lock (202) is flush with the height of the rotary lock head (11) of the rotary lock (201) when the rotary lock (201) is in the locked state.

7. The piggyback transport vehicle of claim 5 further comprising:

an end chassis (300) to which a first end of the carrier (100) is connected; the first end of the end chassis (300) is provided with the securing latch (202).

8. The piggyback transport vehicle of claim 7, wherein said securing locks (202) are plural, two of said securing locks (202) being symmetrically disposed on either side of said bottom plate (102), two of said securing locks (202) being symmetrically disposed on either side of said end chassis (300).

9. The piggyback transport vehicle of claim 7 further comprising:

a middle chassis (500); -one central chassis (500), two end chassis (300) and two loading frames (100), one of said end chassis (300) and one of said loading frames (100) constituting a first vehicle, the other of said end chassis (300) and the other of said loading frames (100) constituting a second vehicle, said first and second vehicles forming a train; the mid chassis (500) is disposed between the first vehicle and the second vehicle;

an articulation connector (400), the articulation connector (400) being disposed on the middle chassis (500), the first vehicle and the second vehicle being movably connected by the articulation connector (400), a first end of the loading rack (100) of the first vehicle and a first end of the loading rack (100) of the second vehicle each being rotatable about the articulation connector (400);

the movable sliding table (600), the movable sliding table (600) is movably arranged on the end bottom frame (300), and the movable sliding table (600) is provided with an outward swinging position and a recovery position; when the movable sliding table (600) is located at the outward swinging position, the movable sliding table (600) and the end chassis (300) form a slide way for the loading frame (100) to rotate;

the lifting device (700) is arranged on the loading frame (100) and used for driving the loading frame (100) to lift relative to the end underframe (300);

a drive device (800), the drive device (800) being arranged on the end chassis (300) for driving the loading frame (100) to rotate relative to the end chassis (300).

10. The piggyback transport vehicle of claim 5, wherein said rotary lock (201) comprises:

a locking structure (10), a first end of the locking structure (10) is hinged with the side beam (101), the locking structure (10) has a locking position extending from the accommodating space (2) and an avoiding position retracting into the accommodating space (2), and the locking structure (10) has the rotary lock head (11);

a support structure (20), a first end of said support structure (20) being hinged with a second end of said locking structure (10); -in a direction away from the locking structure (10), the support structure (20) has a retracted position and a support position cooperating with the side beam (101);

when the rotary lock (201) is in the locked state and the locking structure (10) is in the locked position, the support structure (20) is in the support position and the locking structure (10) is caused to stay in the locked position; when the rotating lock (201) is in the avoiding state and the locking structure (10) is in the avoiding position, the supporting structure (20) is in the withdrawing position and is withdrawn into the accommodating space (2).

11. The piggyback transport vehicle of claim 5, further comprising a load reinforcement device (900), said load reinforcement device (900) comprising:

a support assembly (30), the support assembly (30) comprising a support frame (31) and a first rack (32) arranged on the support frame (31), the support frame (31) being placed on the floor (102) and abutting against the wheeled vehicle (4);

the limiting assembly (40) comprises a second rack (41) and a limiting piece (42) which are connected, the second rack (41) is used for being in plug-in fit with the first rack (32), the plug-in fit position of the second rack (41) and the first rack (32) is adjustable, and the limiting piece (42) is abutted to the loading frame (100) so as to load and reinforce the wheeled vehicle (4) loaded in the loading space (1).

12. The piggyback transport vehicle of claim 5, characterized in that the wheeled vehicle (4) comprises a road semitrailer of no more than 14.6m in length and/or a road truck of no more than 12m in length; the containers (3) comprise 20ft containers and/or 40ft containers and/or 45ft containers.

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