CN110884513B

CN110884513B - Piggyback transport vehicle

Info

Publication number: CN110884513B
Application number: CN201911223424.3A
Authority: CN
Inventors: 王文刚; 杜彬; 王洪昆; 边志宏; 卢宇星; 王蒙; 方琪琦; 郑和平; 张忠玉; 李华; 吴荣坤; 赵天军; 付勇; 沈彩瑜; 袁博; 吴振国
Original assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Railway Equipment Co Ltd
Current assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Railway Equipment Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2024-06-28
Anticipated expiration: 2039-12-03
Also published as: CN110884513A

Abstract

The invention provides a piggyback transport vehicle. The piggyback transport includes: a loading frame having a loading space and an accommodating space communicating with the loading space; the container locking device comprises a rotary lock, the rotary lock is adjustably installed at the accommodating space, and the rotary 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 rotary lock is in the avoidance state, the rotary lock is retracted into the accommodating space, so that the wheeled vehicle can drive into or out of the loading space. The technical scheme of the invention solves the problems that the piggyback transport vehicle in the prior art has single function and can not transport containers and wheeled vehicles at the same time.

Description

Piggyback transport vehicle

Technical Field

The invention relates to the technical field of transportation equipment, in particular to a piggyback transportation vehicle.

Background

The railway piggyback transportation is a convenient transportation mode that a highway truck or a semitrailer automatically starts a railway special vehicle at an origin railway station after loading cargoes, completes long-distance transportation through a railway, and automatically starts the railway special vehicle and drives to a final destination after reaching a destination railway station.

The piggyback transport vehicle in the prior art is only used for transporting wheeled vehicles such as highway trucks or semitrailers, and cannot transport containers, so that the piggyback transport vehicle has a single function.

Disclosure of Invention

The invention mainly aims to provide a piggyback transport vehicle, which solves the problems that the piggyback transport vehicle in the prior art has single function and can not transport containers and wheeled vehicles at the same time.

In order to achieve the above object, the present invention provides a piggyback transport vehicle comprising: a loading frame having a loading space and an accommodating space communicating with the loading space; the container locking device comprises a rotary lock, the rotary lock is adjustably installed at the accommodating space, and the rotary 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 rotary lock is in the avoidance state, the rotary lock is retracted into the accommodating space, so that the wheeled vehicle can drive into or out of the loading space.

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

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

Further, the rotation lock on one side beam is disposed opposite to the rotation 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 entrance or exit of the wheeled vehicle; the container locking device also comprises a fixed lock which is arranged at the second end of the bottom plate so as to avoid influencing the running-in or running-out of the wheeled vehicle; the stationary 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 provided to protrude upward so that 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 when the rotary lock is in the locked state.

Further, the piggyback carrier further comprises: an end chassis, the first end of the loading rack being connected to the first end of the end chassis; the first end of the end chassis is provided with a securing lock.

Further, the fixed locks are a plurality of, and two fixed locks are symmetrically arranged on two sides of the bottom plate, and two fixed locks are symmetrically arranged on two sides of the end underframe.

Further, the piggyback carrier further comprises: a middle chassis; the middle underframe is one, the end underframe and the loading frame 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 underframe 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 underframe and is provided with an outward swinging position and a recovery position; when the movable slipway is positioned at the outward swinging position, the movable slipway and the end underframe 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 includes: 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 a avoiding position retracted into the accommodating space, and the locking structure is provided with a rotary lock head; the first end of the supporting structure is hinged with the second end of the locking structure; the support structure has a retracted position and a support position cooperating with the side members in a direction away from the locking structure; when the rotary lock is in a locking state, the supporting structure is positioned at the supporting position and enables the locking structure to stay at the locking position when the locking structure is positioned at the locking position; when the rotary lock is in the avoidance state, the locking structure is located at the avoidance position, and the supporting structure is located at the retraction position and retracted into the accommodating space.

Further, the piggyback transport vehicle further comprises a load reinforcement device, the load reinforcement device comprising: the support assembly comprises a support frame and a first rack arranged on the support frame, and the support frame is placed on the bottom plate and is abutted with the wheeled vehicle; the limiting assembly comprises a second rack and a limiting piece which are connected, the second rack is used for being in plug-in fit with the first rack, the position of the second rack, which is in plug-in fit with the first rack, is adjustable, and the limiting piece is abutted with the loading frame so as to load and reinforce the wheel type vehicle loaded in the loading space.

Further, the wheeled vehicle comprises a road semitrailer with a length of not more than 14.6m and/or a road truck with a length of not more than 12 m; the containers include 20ft containers and/or 40ft containers and/or 45ft containers.

By applying the technical scheme of the application, the application provides the piggyback transport vehicle with the container locking device, so that the piggyback transport vehicle has multiple functions, and can transport containers and wheeled vehicles. When the piggyback transport vehicle is required to transport the container, the rotary lock of the container locking device is switched to a locking state, and the rotary lock head of the rotary lock stretches 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 wheeled vehicle is prevented from being influenced to drive in or out of the loading space of the loading frame. The rotary lock has small force, and can stably and reliably support and lock the container; and the rotary lock is turned inwards, so that the field requirement on loading and unloading of the piggyback transport vehicle is low, and the practicability of the piggyback transport vehicle is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

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

figure 2 shows a schematic front view of the piggyback carrier of figure 1;

FIG. 3 shows a schematic top view of a portion of the structure of the piggyback transport of FIG. 1;

FIG. 4 shows a schematic top view of the carrier of the piggyback transport of FIG. 1;

fig. 5 shows a schematic view of the front view of the loading bay of fig. 4;

FIG. 6 shows a schematic top view of the end chassis of the piggyback truck of FIG. 1;

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

FIG. 9 shows a schematic view of the mating structure of the loading bay of the piggyback transport vehicle, the load reinforcement device and the wheeled vehicle of FIG. 1;

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

FIG. 11 shows a schematic diagram of the piggyback transport of FIG. 1 when loading a 13m highway semi-trailer;

FIG. 12 shows a schematic diagram of the piggyback transport of FIG. 1 when loading a 13.75m highway semi-trailer;

FIG. 13 shows a schematic diagram of the piggyback transport of FIG. 1 when loading a 14.6m highway semi-trailer;

Figure 14 shows a schematic diagram of the piggyback truck of figure 1 when loading a12 m highway truck;

Figure 15 shows a schematic view of the piggyback carrier of figure 1 when loading 220 ft containers;

Figure 16 shows a schematic view of the piggyback carrier of figure 1 when loading 140 ft container;

Figure 17 shows a schematic diagram of the piggyback carrier of figure 1 when loading 1 45ft container.

Wherein the above figures include the following reference numerals:

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

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a piggyback transport vehicle, which aims at solving the problem that the piggyback transport vehicle in the prior art has single function and can not transport containers and wheeled vehicles at the same time.

As shown in fig. 1 to 17, the piggyback carrier comprises a loading rack 100 and a container locking device 200, the loading rack 100 has a loading space 1 and an accommodating space 2 communicating with the loading space 1, the container locking device 200 comprises a rotary lock 201, the rotary lock 201 is adjustably mounted at the accommodating space 2, and the rotary lock 201 has a locking state and a avoiding state; when the rotary lock 201 is in the locked state, the rotary lock head 11 of the rotary lock 201 protrudes from the accommodating space 2 and into the loading space 1 to lock the container 3; when the rotary lock 201 is in the avoidance state, the rotary lock 201 is retracted into the accommodation space 2 to drive the wheeled vehicle 4 into or out of the loading space 1.

In an embodiment of the present application, a piggyback carrier with a container lock device 200 is provided that allows the piggyback carrier to have multiple functions, both to carry a container 3 and to carry a wheeled vehicle 4. When the container 3 needs to be transported by the 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 it is necessary to transport the wheeled vehicle 4 by using the piggyback carrier, the rotary lock 201 of the container lock 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, thereby avoiding the influence on the entry or exit of the wheeled vehicle 4 into or from the loading space 1 of the loading frame 100. The rotary lock 201 is small in stress, and can stably and reliably support and lock the container 3; and the rotary lock 201 is turned inwards, so that the field requirement on loading and unloading 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 application 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 disposed opposite to each other 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 opposite surfaces of the two side members 101 are each provided with an accommodation space 2. In this way, the rotary lock 201 is arranged on the side beam 101, when the container 3 is required to be transported, the rotary lock 201 is in a locking 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 it is necessary to transport the wheeled vehicle 4, the rotation lock 201 is placed in the retracted state, and the rotation lock 201 is fully retracted into the accommodation space 2 of the side member 101, so that the wheeled vehicle 4 can smoothly enter or exit the loading space 1 without colliding with the rotation lock 201.

Alternatively, a plurality of accommodating spaces 2 are provided on each side member 101, the plurality of accommodating spaces 2 being arranged at intervals along the second direction; a rotary lock 201 is arranged in each accommodating space 2; a plurality of rotary locks 201 for locking one or more containers 3; the second direction is perpendicular to the first direction. In this way, the container locking device 200 can more reliably support and lock one container 3 by increasing the number of rotary locks 201 locking one container 3; the spacing distance between two adjacent accommodating spaces 2 can be selected according to actual needs to realize grouping of 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 member 101 is disposed opposite to the rotation lock 201 on the other side member 101. In this way, the forces exerted by the plurality of rotary locks 201 when supporting and locking the container 3 are more uniform.

As shown in fig. 4 and 5, the first end of the floor panel 102 and the first ends of the two side members 101 enclose an opening into or out of which the wheeled vehicle 4 is driven; the container locking device 200 further comprises a fixing lock 202, the fixing lock 202 being arranged at the second end of the floor 102 to avoid influencing the ingress or egress of the wheeled vehicle 4; the stationary lock 202 cooperates with the rotary lock 201 to lock one or more containers 3. Since the fixed lock 202 is located at an end away from the opening into or out of the wheeled vehicle 4, the in or out 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 vehicle is further simplified and the production cost of the piggyback vehicle is reduced without affecting the function of the piggyback vehicle.

In the embodiment shown in fig. 4 and 5, three rotation locks 201 are provided on one side beam 101 of the loading frame 100, wherein one rotation lock 201 is located at the first end of the loading frame 100, two rotation locks 201 are located at the middle of the loading frame 100, and the interval between the two rotation locks 201 located at the middle is smaller; 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, the two rotary locks 201 located at the middle of the two side members 101 and the two rotary locks 201 located at the first ends of the two side members 101 can be used as first locking means, which cooperate with the four corner pieces of one container 3 to support and lock the container 3, and the other two rotary locks 201 located at the middle of the two side members 101 and the two fixed locks 202 located at the second ends of the two side members 101 can be used as second locking means, which cooperate with the four corner pieces of the other container 3 to support and lock the container 3; so that the loading frame 100 of the piggyback carrier can simultaneously load and transport two containers 3; 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 fixed locks 202 at the second ends of the two side members 101 may be used as a third locking assembly to be engaged with four corner pieces of the container 3, thereby supporting and locking the container 3.

As shown in fig. 5, a part of the surface of the second end of the base plate 102 is provided to protrude upward so that the height of the fixed lock head 12 of the fixed 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. The second end of the bottom plate 102 has a part of its surface protruding upwards, and the middle chassis 500 can be conveniently arranged below the second end of the bottom plate 102, so that the piggyback carrier has a compact structure.

As shown in fig. 1-3 and 6, the piggyback transport vehicle further comprises an end chassis 300, the first end of the loading frame 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 lock 202. Thus, when the piggyback truck is used to transport a container 3, the stationary lock 202 at the first end of the end chassis 300 can cooperate with the rotating lock 201 or stationary lock 202 on the loading bay 100 to support and lock the container 3; when the piggyback vehicle is used for transporting the wheeled vehicle 4, the loading frame 100 rotates and moves up and down with respect to the end chassis 300, so that the wheeled vehicle 4 can be moved 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 does not affect the movement of the wheeled vehicle 4. The application further improves the applicability of piggyback vehicles by providing a securing lock 202 on the end chassis 300.

As shown in fig. 4 and 6, the fixing locks 202 are plural, two fixing locks 202 are symmetrically disposed at both sides of the base plate 102, and two fixing locks 202 are symmetrically disposed at both sides of the end chassis 300. As shown in fig. 16, when the size of the shipping container 3 is larger, the two fixing locks 202 at the first ends of the end chassis 300 cooperate with the two fixing locks 202 at the second ends of the two side beams 101 as a fourth locking assembly, thereby supporting and locking the larger size of the shipping container 3.

Optionally, container guides 301 are 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 slip 600, a lifting device 700, and a driving device 800; the number of the middle underframe 500 is one, the number of the end underframe 300 and the number of the loading frames 100 are two, one end underframe 300 and one loading frame 100 form a first vehicle, the other end underframe 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 middle chassis 500 is disposed between the first and second vehicles; the joint connector 400 is provided on the middle chassis 500, and the first vehicle and the second vehicle are movably connected through the joint connector 400, and the first end of the carrier 100 of the first vehicle and the first end of the carrier 100 of the second vehicle are both rotatable about the joint connector 400; the movable slide 600 is movably disposed on the end chassis 300, and the movable slide 600 has an outward swing 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 rotation of the loading frame 100, the lifting device 700 is arranged on the loading frame 100 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 for driving the loading frame 100 to rotate relative to the end chassis 300. The structure of the two car groups is adopted, so that the transport car groups are more flexible in marshalling, and the piggyback transport car adopts the transport car group mode, so that the piggyback transport car can transport more cargos at one time under the conditions of more compact structure and lower cost; to facilitate the entry and exit of the wheeled vehicle 4, a moving slide 600, a lifting device 700, and a driving device 800 are provided. In transporting the wheeled vehicle 4 by the piggyback transport vehicle, the following description will be given by taking the first vehicle as an example: the movable sliding table 600 is located at the outward swinging position, the movable sliding table 600 and the end underframe 300 form a slideway together, then the movable sliding table 600 and the end underframe 300 are driven by the driving device 800 to rotate relative to the end underframe 300 of the first vehicle by taking the joint connector 400 as the rotation center, then the movable sliding table 600 is located at the recovery position, then the movable sliding table 600 is driven by the lifting device 700 to descend relative to the end underframe 300 of the first vehicle, and the wheeled vehicle 4 enters or exits the movable sliding table 100 through an opening at the first end of the movable sliding table 100 of the first vehicle; after the wheel vehicle 4 is completely driven in or out, the lifting device 700 drives the loading frame 100 of the first vehicle to lift up relative to the end chassis 300 of the first vehicle, the movable sliding table 600 is located at the swinging-out position, the driving device 800 drives the loading frame 100 of the first vehicle to rotate back relative to the end chassis 300 of the first vehicle about the joint connector 400 as the rotation center, and the movable sliding table 600 is located at the recovery position. The piggyback transport vehicle provided by the embodiment can be convenient for loading cargoes, and has a simple structure and is convenient to operate. The piggyback transport vehicle of the embodiment can be used for the common-rail intermodal transportation of wheeled vehicles 4 such as highway trucks or semitrailers and the like and containers 3, and the railway transport capacity is greatly improved.

Optionally, hydraulic and electrical systems are also provided on the piggyback 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 car coupler buffer device, an integrated brake of a turning K6 type bogie and the like. The car sets are connected by adopting a car coupler buffer device, and the inside of the car sets are connected by adopting a joint connector. One group of vehicles employs 3 sets of control valves and 2 sets of hand brakes.

Alternatively, 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 mobile sliding table 600, an end chassis supporting device, a sprocket driving device, a lifting device 700, a loading reinforcing device 900, a fixed saddle device, a joint connector 400, and the like.

Alternatively, the loading bay 100 is the primary load bearing member of a road semitrailer. To facilitate entry and egress of the road truck into and out of the loading bay 100, a transition plate is provided at a first end of the loading bay 100; in order to facilitate smooth lifting of the semitrailer supporting device, a concave groove structure is arranged at the end part of the connection between the side beam and the end part; to facilitate the loading and reinforcement of the road truck by the operator, oval holes are provided in the side beams 101. The loading bay 100 is a side-by-side, side-post internal structure with a smooth outer surface and good aerodynamic performance when the vehicle is in operation. 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 support seats, bottom plates 102, joint connectors, locking devices, movable guide devices, fixed guide devices and the like. The carrier 100 is welded to the stationary lock 202 and the rotary lock 201 in the same manner.

Alternatively, the end chassis 300 is located at the end of the piggyback truck, has functions of traction, semi-trailer loading, connection with the loading bay 100, limiting, etc., and is the main load bearing component of the piggyback truck. The end underframe 300 consists 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 guiding device, a sprocket support, a hydraulic cylinder support, a movable sliding table balance seat and the like.

Optionally, the middle chassis 500 is disposed between the joint connector 400 and the middle two bogies, and the main function is to achieve uniform vertical load bearing of the middle two bogies of the vehicle. The middle underframe 500 mainly comprises a center plate seat, 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 cross beam of the middle underframe 500 and are matched with the joint connector 400 and the upper side bearing arranged on the loading frame 100 for use; the upper center plate and the upper side bearing are arranged below end beams at two sides of the middle underframe 500 and are matched with the K6-turning bogie.

Alternatively, the moving slipway 600 is arranged on both sides of the end chassis 300, primarily to provide a horizontal slipway for the rotation of the carriage 100. The movable slipway 600 is composed of a rotating shaft, a guide shaft, a supporting shaft, a baffle, a connecting plate, a slideway, 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 supporting seats of the lifting device 700. The guide seat is matched with a transmission stop block in the chain wheel transmission device. Its primary function is to provide support and guidance for the lifting and rotation of the carrier 100. The lifting device 700 consists 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 drive 800 is a sprocket drive, which is arranged inside the end chassis 300, mainly to power the rotation of the carrier 100. The chain wheel transmission device consists of a driving wheel, a guide wheel, a tensioning wheel, a chain, a transmission stop block, an automatic tensioning device and the like.

Optionally, an end chassis support is disposed below the connection end of the end chassis 300 to the loading bay 100, primarily to provide vertical support for the loading bay 100 and the end chassis 300 for lifting and rotating the loading bay 100. The end chassis 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 center supporting seat and the like. Wherein, the uide bushing is rectangular structure, and the 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 member 101, the locking structure 10 has a locking position extended from the accommodating space 2 and a retracted position retracted into the accommodating space 2, and the locking structure 10 has a rotary lock head 11; the first end of the support structure 20 is hinged to the 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 in which it cooperates with the side beams 101; when the rotary lock 201 is in the locked state, the support structure 20 is in the support position and the locking structure 10 is stopped at the locked position when the locking structure 10 is in the locked position; when the rotary lock 201 is in the retracted state, the support structure 20 is in the retracted position and retracted into the accommodation space 2 when the locking structure 10 is in the retracted position.

Like this, when locking structure 10 stretches out to the locked position by accommodation space 2 and locks container 3, bearing structure 20 moves to the supporting position along with locking structure 10 and cooperates with the curb girder 101 of loading frame 100, makes locking structure 10 stay in locked position department, compares in single cantilever structure like this and is safer and more reliable, and the atress is less, can support and lock container 3 more reliably steadily, is favorable to promoting the performance of rotatory lock 201, and then has applied the piggyback transport vechicle of internal turnover formula rotatory lock safer and more reliable in the in-process of transporting container 3. Meanwhile, the inner turnover type rotary lock does not occupy extra space, so that the piggyback transport vehicle is not limited by a field, and can be loaded and unloaded at a high platform or a building limit area; when the piggyback carrier needs to transport the wheeled vehicle, the locking structure 10 is retracted into the accommodating space 2 when the locking structure 10 moves from the locking position to the avoiding position, the supporting structure 20 moves to the retracted position along with the locking structure 10, and the supporting structure 20 also retracts into the accommodating space 2, so that the wheeled vehicle can reliably and smoothly enter or exit the loading frame 100 without interfering with the rotating lock 201, and the piggyback carrier provided by the application can transport the wheeled vehicle 4 and the container 3.

As shown in fig. 9 and 10, the piggyback carrier further includes a load reinforcement device 900, the load reinforcement device 900 includes a support assembly 30 and a limit 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 placed on the base plate 102 and abuts against the wheeled vehicle 4, the limit assembly 40 includes a second rack 41 and a limit member 42 connected, the second rack 41 is used for being in plug-fit with the first rack 32, the position of the second rack 41 in plug-fit with the first rack 32 is adjustable, and the limit member 42 abuts against the load frame 100 to load-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 limiting members 42; as shown in fig. 9, the limiting member 42 extends into the corresponding groove 103 and abuts against the groove sidewall of the groove 103. In this way, the support frame 31 is abutted against the wheeled vehicle 4 loaded on the piggyback carrier, and then the position of the second rack 41 in plug-in fit with the first rack 32 is adjusted, the second rack 41 drives the limiting piece 42 to move, so that the limiting piece 42 is abutted against the piggyback carrier, and the second rack 41 and the first rack 32 after plug-in do not move relatively along the extending direction of the first rack 32, thus preventing the wheeled vehicle 4 from moving towards the side close to the loading reinforcing device 900. Because the sizes of the different wheeled vehicles 4 are different, the positions of the loading on the piggyback carrier are also different, and the loading reinforcement 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 carrier. The loading reinforcement device 900 provided by the application has the advantages of convenient operation, time saving, good reliability and convenient disassembly.

Optionally, 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 container 3 comprises 20ft and/or 40ft and/or 45ft containers. Because 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 carrier provided by the application can 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 of a highway semitrailer with the length of less than 14.6m or a small highway truck with the length of less than 12m specified by GB 1589; the piggyback transport provided by this embodiment is also suitable for shipping a good form factor conforming to ISO668: two 20ft containers or one 40ft container or one 45ft container as specified in 95 series 1 container-class, size and weight rating.

Optionally, when the piggyback carrier vehicle provided in this embodiment loads the highway semitrailer, the maximum load is 40t; when loading the minihighway truck, the maximum load is 31t; the maximum load is 61t when loading the container.

Alternatively, the piggyback transport provided in this embodiment is used to load a road semitrailer or a road truck having a width of no more than 2550mm and a height of no more than 4000 mm.

Optionally, the piggyback carrier provided in this embodiment is used for loading a carrier having an overall dimension according to ISO668:95 series 1 container-two 20ft containers with a single total mass of no more than 30.48t, as specified in the class, size and weight rating.

Alternatively, the piggyback carrier provided by this embodiment is used to load a 40ft or 45ft container having an overall mass no greater than 35T as specified in GB/T35201 series 2 container-class, size and weight rating.

As shown in fig. 11, a transport vehicle group of piggyback transport vehicles is used for transporting a 13m highway semitrailer; as shown in fig. 12, a truck group of piggyback trucks is used to transport a 13.75m highway semitrailer; as shown in fig. 13, a truck group of piggyback trucks is used to transport a 14.6m highway semitrailer; as shown in fig. 14, a truck group of piggyback trucks is used to transport a 12m highway truck; as shown in fig. 15, one transport vehicle group of the piggyback transport vehicle is used for transporting 220 ft containers, and at this time, the rotary lock 201 and the stationary lock 202 provided on the loading frame 100 are in operation; as shown in fig. 16, one transport vehicle group of the piggyback transport vehicle is used for transporting 1 40ft containers, and at this time, the rotary lock 201 and the stationary lock 202 provided on the loading frame 100 are in operation; as shown in fig. 17, one truck group of piggyback trucks is used to transport 145 ft container, with the lock 202 on the carrier 100 and the lock 202 on the end chassis 300 in operation. 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 embodiments of the present invention achieve the following technical effects:

The piggyback transport vehicle provided by the application has the advantages of wide adaptability and flexible and various goods loading, so that the piggyback transport vehicle has various transport functions, and can be used for transporting highway semitrailers, highway trucks or containers according to market conditions, thereby ensuring the diversity of the applications 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 exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that, positional terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., are generally based on the positional or state relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these positional terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "on top of … …," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial state relationship 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (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 the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A piggyback transport vehicle, comprising:

A loading rack (100), the loading rack (100) having a loading space (1) and an accommodation space (2) communicating with the loading space (1);

-a container locking device (200), the container locking device (200) comprising a rotary lock (201), the rotary lock (201) being adjustably mounted at the receiving space (2), the 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 the container (3); when the rotary lock (201) is in the avoidance state, the rotary lock (201) is retracted into the accommodating space (2) so as to drive a wheeled vehicle (4) into or out of the loading space (1);

-end underframe (300), said end underframe (300) and said loading frame (100) being two, wherein one of said end underframe (300) and one of said loading frame (100) constitute a first vehicle and the other of said end underframe (300) and the other of said loading frame (100) constitute a second vehicle;

A mobile slipway (600), the mobile slipway (600) being movably arranged on the end chassis (300), the mobile slipway (600) having an outward swing position and a recovery position; when the movable sliding table (600) is positioned at the outward swinging position, the movable sliding table (600) and the end underframe (300) form a sliding way for the loading frame (100) to rotate;

-a lifting device (700), said lifting device (700) being arranged on said loading frame (100) for driving said loading frame (100) to lift with respect to said end chassis (300);

-a driving device (800), said driving device (800) being arranged on said end chassis (300) for driving said loading frame (100) in rotation with respect to said end chassis (300);

The rotary lock (201) comprises a locking structure (10), wherein the locking structure (10) is provided with a locking position extending out of the accommodating space (2) and a avoiding position retracting into the accommodating space (2), and the locking structure (10) is provided with the rotary lock head (11);

A load reinforcement device (900), the load reinforcement device (900) comprising a support assembly (30).

2. The piggyback vehicle according to claim 1, characterized in that the loading frame (100) comprises two side beams (101) arranged opposite 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 receiving spaces (2) are provided on the opposite surfaces of the two side members (101).

3. The piggyback vehicle according to claim 2, characterized in that a plurality of receiving spaces (2) are provided on each side beam (101), the receiving spaces (2) being arranged at intervals along a 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. A piggyback vehicle according to claim 3, characterized in that the rotation lock (201) on one of the side beams (101) is arranged opposite to the rotation lock (201) on the other side beam (101).

5. The piggyback vehicle of any of claims 2-4 wherein,

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 stationary lock (202), the stationary lock (202) being arranged at the second end of the floor (102) to avoid influencing the ingress or egress of the wheeled vehicle (4); the stationary lock (202) cooperates with the rotary lock (201) to lock one or more containers (3).

6. The piggyback vehicle according to claim 5, characterized in that a part of the surface of the second end of the base plate (102) is provided protruding upwards 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 according to claim 5, characterized in that the first end of the loading rack (100) is connected with the first end of the end chassis (300); the first end of the end chassis (300) is provided with the securing lock (202).

8. The piggyback vehicle according to claim 7, characterized in that the number of the fixing locks (202) is plural, two of the fixing locks (202) are symmetrically arranged on both sides of the base plate (102), and two of the fixing locks (202) are symmetrically arranged on both sides of the end underframe (300).

9. The piggyback carrier of claim 7, further comprising:

A middle chassis (500); -said central chassis (500) being one, said first vehicle and said second vehicle forming a transportation consist; the middle chassis (500) is disposed between the first vehicle and the second vehicle;

-a joint connector (400), the joint connector (400) being arranged on the middle chassis (500), the first vehicle and the second vehicle being movably connected by the joint connector (400), the first end of the first vehicle's carriage (100) and the first end of the second vehicle's carriage (100) being rotatable around the joint connector (400).

10. The piggyback vehicle of claim 5 wherein,

-A first end of the locking structure (10) is hinged to the side beam (101);

The rotary lock (201) further comprises a support structure (20), a first end of the support structure (20) being hinged to a second end of the locking structure (10); -said support structure (20) has a retracted position and a supporting position cooperating with said side beams (101) in a direction away from said locking structure (10);

-when the rotary lock (201) is in the locked state, the support structure (20) is in the support position and the locking structure (10) is caused to stay in the locked position when the locking structure (10) is in the locked position; when the rotary lock (201) is in the avoidance state, the support structure (20) is in the retracted position and retracted into the accommodating space (2) when the locking structure (10) is in the avoidance position.

11. The piggyback vehicle of claim 5 wherein,

The support assembly (30) comprises a support frame (31) and a first rack (32) arranged on the support frame (31), wherein the support frame (31) is placed on the bottom plate (102) and is abutted with the wheeled vehicle (4);

The load reinforcement device (900) further comprises: spacing subassembly (40), spacing subassembly (40) are including second rack (41) and locating part (42) that are connected, second rack (41) be used for with first rack (32) grafting cooperation, second rack (41) with first rack (32) grafting cooperation's position is adjustable, locating part (42) with loading frame (100) butt is in order to load wheeled vehicle (4) in loading space (1) to carry out the loading reinforcement.

12. The piggyback carrier according to claim 5, characterized in that the wheeled vehicle (4) comprises a road semitrailer of a length of not more than 14.6m and/or a road truck of a length of not more than 12 m; the container (3) comprises a 20ft container and/or a 40ft container and/or a 45ft container.