CN111016933A

CN111016933A - Frame and air transport vehicle

Info

Publication number: CN111016933A
Application number: CN201911423648.9A
Authority: CN
Inventors: 王全虎; 苏利杰; 黄恒; 周欢; 胡跃明; 宋少波; 刘伟; 陈治国; 候建云
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-17
Anticipated expiration: 2039-12-31
Also published as: CN111016933B

Abstract

The invention relates to a frame and an air transport vehicle. This air transportation vehicle includes the frame, the frame includes the frame, lower frame, promote the subassembly, locking device and guider, it is provided with two sets ofly relatively to follow the first direction at least to promote the subassembly, can make frame and last frame be close to each other or separate down through operating at least two sets of promotion subassemblies, locking device sets up on frame down, when frame and last frame are close to each other down, operation locking device, can make frame and last frame interlocking down, guider sets up down on the frame, when frame and last frame alternate segregation down, operation guider, can make the container of different specifications with frame quick assembly connection down. The air transport vehicle provided by the invention can realize the assembly and connection of the air transport vehicle and the container through self equipment, is simple to operate, has high automation degree and has good practicability.

Description

Frame and air transport vehicle

Technical Field

The invention belongs to the technical field of logistics transportation, and particularly relates to a frame and an air transportation vehicle.

Background

At present, the port collecting and dredging system in China is mainly completed by roads (the occupied road ratio is up to 84%), the road transportation environment pollution is large, the transportation cost is high, and particularly the problem of facility connection of the last kilometer of container ports becomes the primary problem of the development of the comprehensive transportation system in China.

In order to solve the above technical problems, an aerial rail transport device applied to port container logistics is emerging in the prior art, and an aerial rail transport line may cross roads, rivers, factories and the like, so as to solve the problem of container transportation in the last kilometer.

In the course of implementing the present invention, the applicant has found that at least the following disadvantages exist in the prior art:

in the prior art, the air transport vehicle jacks the container through the ground jacking equipment to be connected and assembled with the vehicle body of the air transport vehicle, the connection and assembly of the container and the vehicle body can be completed only by means of the external jacking equipment in the operation mode, the jacking equipment is required to be moved to a fixed place in butt joint with the vehicle body during operation, then the container is hoisted to the jacking equipment, then the jacking equipment is operated to connect and assemble the container and the vehicle body, after all containers and the vehicle body are connected and assembled, the jacking equipment is required to be moved, and the operation is complex.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a frame and an air transport vehicle, which aim to solve the technical problem that the assembly and connection operation of a container and a vehicle body of the air transport vehicle in the prior art is complicated.

The invention realizes the purpose through the following technical scheme:

in one aspect, the present invention provides a vehicle frame, comprising:

an upper frame;

a lower frame;

the lifting assemblies are oppositely arranged in two groups at least along a first direction, and the lower frame and the upper frame can be close to or separated from each other by operating the lifting assemblies;

a locking device provided on the lower frame, the locking device being operable to lock the lower frame and the upper frame to each other when the lower frame and the upper frame are brought close to each other;

the guiding device is arranged on the lower frame, and when the lower frame and the upper frame are separated from each other, the guiding device is operated, so that containers of different specifications can be quickly assembled and connected with the lower frame.

Further, every group the hoisting component all includes hoist motor, wire rope and movable pulley, wherein:

the two lifting motors are oppositely arranged along a second direction, the two lifting motors are fixedly arranged on the upper frame, and the second direction is vertical to the first direction;

the movable pulleys and the lifting motors are arranged in a one-to-one correspondence manner, and the two movable pulleys are relatively and rotatably arranged on the lower frame along a second direction;

the steel wire rope, the lifting motor and the movable pulley are arranged in a one-to-one correspondence mode, the steel wire rope is provided with a first end and a second end, the first end of the steel wire rope is wound on the output end of the corresponding lifting motor, and the second end of the steel wire rope is wound on the corresponding movable pulley.

Furthermore, each group of lifting assemblies further comprises two fixed pulleys corresponding to the steel wire rope, the two fixed pulleys are oppositely arranged along a second direction, the two fixed pulleys are oppositely arranged between the two lifting motors, and the two fixed pulleys are rotatably arranged on the upper frame;

and the second ends of the two steel wire ropes respectively and sequentially pass around the corresponding movable pulley and the fixed pulley, and the second ends of the two steel wire ropes are connected together.

Furthermore, tension sensors are arranged on the two steel wire ropes connected together, and the tension sensors are arranged between the two fixed pulleys.

Furthermore, each output shaft of the lifting motor is fixedly provided with a winding drum, and the first end of the steel wire rope is wound on the corresponding winding drum of the lifting motor.

Furthermore, the lifting motor is also provided with braking parts, the braking parts and the winding drums are arranged in a one-to-one correspondence mode, and the output ends of the braking parts can operatively act on the winding drums.

Further, the locking device includes:

rotating the pin;

the lock head is fixedly arranged at the head part of the rotating pin;

the rotating handle is fixedly arranged at the bottom of the rotating pin, and a first limiting surface and a second limiting surface are arranged on the peripheral surface of the rotating handle at intervals;

the center shaft of the ejector pin and the center shaft of the rotating pin are arranged in parallel, the ejector pin can be lifted along the center shaft of the ejector pin in an operation mode, and a supporting protrusion is arranged on the ejector pin;

the limiting block is fixedly arranged at the bottom of the ejector pin and is matched with the first limiting groove or the second limiting groove in an operable manner;

the reset spring is sleeved on the top pin and arranged between the supporting protrusion and the limiting block;

the output end of the driving mechanism is connected with the rotating handle, and the rotating handle can be driven to rotate by operating the driving mechanism;

the upper frame comprises a first cover plate, the first cover plate is positioned at the bottom of the upper frame, a lock hole is formed in the first cover plate, and a lock head of the locking device can rotate in the lock hole;

the lower frame comprises second cover plates and partition plates which are arranged at intervals, the second cover plates are fixedly connected with the partition plates, the second cover plates are positioned at the tops of the lower frame, the partition plates are positioned below the second cover plates, first through holes corresponding to rotating pins of the locking devices are formed in the second cover plates and the partition plates, the rotating pins fixedly penetrate through the corresponding first through holes in the second cover plates and the partition plates, and the rotating handles are positioned below the partition plates; the second cover plate and the partition plate are respectively provided with a second through hole corresponding to the ejector pin of the locking device, the ejector pin can stretch in the second through hole of the second cover plate and the second through hole of the partition plate, and the reset spring is arranged between the support protrusion and the partition plate.

Further, still the interval is provided with lock seat and plummer on the bull pin, lock seat and the plummer sets gradually the tapered end with between the turning handle, the tapered end with first clearance has between the lock seat, the second apron card is established in the first clearance, the plummer with second clearance has between the turning handle, the baffle card is established in the second clearance, just, lock seat with be the sphere cooperation between the plummer.

Furthermore, the locking device further comprises a sleeve, the sleeve is fixedly arranged at the bottom of the partition plate, the ejector pin can stretch out and draw back in the sleeve, and the limiting block is positioned at the lower part of the sleeve.

Furthermore, the lower frame comprises a second longitudinal beam, a third cross beam and four cross beams, the middle parts of the third cross beam and the fourth cross beam are fixedly arranged on the second longitudinal beam, the number of the third cross beam and the number of the fourth cross beam are respectively arranged oppositely, the two fourth cross beams are positioned at two ends of the second longitudinal beam, and the two third cross beams are positioned between the two fourth cross beams;

the guide device comprises a first guide plate, a second guide plate and a third guide plate, the two ends of each third cross beam and the two ends of each fourth cross beam are provided with the first guide plates oppositely, the two first guide plates on each third cross beam and the four cross beams are arranged along the transverse direction, and the guide surfaces of the two first guide plates on each third cross beam and the four cross beams are arranged oppositely;

each third cross beam is also provided with the second guide plate, the second guide plates on the two third cross beams are oppositely arranged along the longitudinal direction, the guide surfaces of the second guide plates on the two third cross beams are oppositely arranged, and the second guide plates and the third cross beams are connected in a turnover manner;

the number of the third guide plates is two, the two third guide plates are oppositely arranged at two ends of the second longitudinal beam, guide surfaces of the two third guide plates are oppositely arranged, and the third guide plates can stretch along the length direction of the second longitudinal beam.

In another aspect, the invention also provides an air transportation vehicle, which comprises the frame.

The beneficial effects of the invention at least comprise:

the invention provides an air transport vehicle, which comprises a vehicle frame, wherein an upper vehicle frame of the vehicle frame can be hung on an air track through a bogie, a lower vehicle frame is used for assembling with a container, the lower vehicle frame and the upper vehicle frame can be close to or separated from each other by operating at least two groups of lifting assemblies, the lower vehicle frame and the upper vehicle frame are operated to be in a separated state, the container is hoisted to the lower vehicle frame at the moment, then the lower vehicle frame and the upper vehicle frame are operated to be in a close state, and a locking device is operated to lock the lower vehicle frame and the upper vehicle frame with each other, so that the assembly connection of the container air transport vehicle and the container is realized; the unloading action of the container is opposite.

Therefore, the aerial transport vehicle provided by the invention can realize the assembly and connection of the aerial transport vehicle and the container through self equipment, is simple to operate, has high automation degree and has good practicability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of an aerial delivery vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the upper frame of FIG. 1;

FIG. 3 is a schematic structural view of the lower frame in FIG. 1

FIG. 4 is a schematic view of the arrangement of the lifting assembly on the frame of an embodiment of the present invention;

FIG. 5 is a schematic view of the lifting assembly;

FIG. 6 is a schematic structural diagram of the first cover plate in FIG. 2;

FIG. 7 is a schematic structural view of the second cover plate and the partition plate in FIG. 3;

FIG. 8 is a schematic view of the arrangement of the locking device on the frame of the vehicle according to the embodiment of the present invention;

FIG. 9 is a schematic view of the locking device of FIG. 8;

FIG. 10 is a schematic view of the construction of a lower frame with a guide assembly according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of the flip assembly of FIG. 10;

FIG. 12 is a schematic structural view of the retraction assembly of FIG. 10;

fig. 13 is a schematic structural view of the lower frame with guiding device shown in fig. 10 hoisting a 20ft container;

fig. 14 is a schematic structural view of the lower frame hoisting 40ft container with the guiding device shown in fig. 10;

fig. 15 is a schematic structural view of the lower frame with guiding device shown in fig. 10 hoisting a 45ft container;

fig. 16 is a schematic view of an aerial delivery vehicle lifting a container through an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides an air transport vehicle, which aims to solve the technical problem that the assembly and connection operation of a container and a vehicle body of the air transport vehicle in the prior art is complicated.

Fig. 1 is a schematic structural diagram of an air transportation vehicle according to an embodiment of the present invention, and in conjunction with fig. 1, an embodiment of the present invention provides an air transportation vehicle, which includes a plurality of frames, a plurality of bogies 1, and a coupler buffer device 2, where the frames may be sequentially disposed, each frame is equipped with at least two bogies 1, and two adjacent frames are connected by the coupler buffer device 2. The bogie 1 can travel on the aerial rail, and then drives a plurality of vehicle frames to travel on the aerial rail.

The bogie 1 of the embodiment of the invention can adopt a non-power bogie, and compared with a bogie with a driving function, the bogie can reduce the weight of a vehicle on the premise of not influencing the running of a frame.

Referring to fig. 1, the vehicle frame according to the embodiment of the present invention includes an upper frame 3 and a lower frame 4, the upper frame 3 and the lower frame 4 are relatively locked when the vehicle frame travels on an air rail, and the upper frame 3 and the lower frame 4 are operated to be separated when the vehicle frame needs to be assembled with a container.

Fig. 2 is a schematic structural view of the upper frame in fig. 1, and in conjunction with fig. 2, the upper frame 3 in the embodiment of the present invention is suspended on the air rail by at least two bogies 1, which may include a first longitudinal beam 3.1 and two first cross beams 3.2, and the two first cross beams 3.2 are oppositely arranged on the first longitudinal beam 3.1 along the length direction of the container.

Fig. 3 is a schematic structural diagram of the lower frame in fig. 1, and in combination with fig. 3, the lower frame 4 in the embodiment of the present invention may include a second longitudinal beam 4.1 and two second cross beams 4.2, where the second longitudinal beam 4.1 is located directly below the first longitudinal beam 3.1, and the two second cross beams are respectively located directly below the two first cross beams 3.1.

With reference to fig. 1, the frame of the embodiment of the present invention further includes two sets of lifting assemblies, which are disposed oppositely along at least a first direction, and the lower frame 4 and the upper frame 3 can be moved closer to or away from each other by operating the at least two sets of lifting assemblies.

The first direction of the embodiment of the present invention may be a length direction of the container.

Fig. 4 is a schematic layout view of the lifting assemblies of the embodiment of the present invention on the frame, fig. 5 is a schematic structural view of the lifting assemblies, and with reference to fig. 4 and fig. 5, each group of the lifting assemblies of the embodiment of the present invention includes two lifting motors 5, a wire rope 6 and a movable pulley 7, where the two lifting motors 5 are arranged oppositely along the second direction, the two lifting motors 5 are both fixedly arranged on the upper frame 3, and the second direction is perpendicular to the first direction; the movable pulleys 7 and the lifting motors 5 are arranged in a one-to-one correspondence mode, the two movable pulleys 7 are relatively and rotatably arranged on the lower frame 4 along the second direction, the steel wire rope 6, the lifting motors 5 and the movable pulleys 7 are arranged in a one-to-one correspondence mode, the steel wire rope 6 is provided with a first end and a second end, the first end of the steel wire rope 6 is wound on the output end of the corresponding lifting motor 5, and the second end of the steel wire rope 6 is wound on the corresponding movable pulley 7.

In the embodiment of the invention, the second direction can be the width direction of the container, and two lifting assemblies can be oppositely arranged.

Can make

frame

4 and 3 fixed connection or the separation of last frame of getting off through operating at least two sets of hoisting assemblies, and then realize the assembly connection of the automobile body of container air rail transport equipment with the container, concrete operation is:

controlling the output end of a lifting motor 5 to rotate, extending the steel wire ropes 6 in the same group, further lowering the movable pulleys 7 in the same group, driving a lower frame 4 to be lowered to a preset height, after the assembly of the container and the lower frame 4 is completed, controlling the output end of the lifting motor 5 to rotate reversely, lifting the steel wire ropes 6 in the same group, further lifting the movable pulleys 7 in the same group, driving a lower frame 4 assembled with the container to lift, and completing the assembly connection of the frame and the container after the locking of the upper frame 3 and the lower frame 4 is completed; the unloading action of the container is opposite.

With reference to fig. 4 and 5, in the embodiment of the present invention, each set of lifting assemblies further includes two fixed pulleys 8 corresponding to the steel wire rope 6, the two fixed pulleys 8 are oppositely disposed along the second direction, the two fixed pulleys 8 are oppositely disposed between the two lifting motors 5, and the two fixed pulleys 8 are both rotatably disposed on the upper frame 3; the second ends of the two steel wire ropes 6 respectively and sequentially pass around the corresponding movable pulleys 7 and the fixed pulleys 8, and the second ends of the two steel wire ropes 6 are connected together, so that the two lifting motors 5 in the same group can be linked and share one steel wire rope 6, because the length of the steel wire rope can possibly change in the using process, if one steel wire rope is correspondingly arranged on each lifting motor, the steel wire rope can overturn after being used for a long time, and can possibly have an inclination angle, so that the steel wire rope is not beneficial to the locking of the upper frame 3 and the lower frame 4 after approaching and the locking of the lower frame 4 and a container, and is not beneficial to the transportation of the container, but the design that the two lifting motors in the same group share one steel wire rope 6 is adopted in the embodiment of the invention, the steel wire rope can be self-adaptive according to the length of the steel wire rope 6, and the two ends of the lower frame 4, the most likely phenomenon of the lower frame 4 is the overturning of the container in the length direction, and the overturning of the lower frame 4 in the length direction of the container has little adverse effect on the locking of the upper frame 3 and the lower frame 4 after approach, the locking of the lower frame 4 and the container, and the transportation of the container.

In addition, referring to fig. 5, in the embodiment of the present invention, a tension sensor 9 may be disposed on two steel wire ropes 6 connected together, the tension sensor 9 is disposed between two fixed pulleys 8, and the tension sensor 9 may monitor abnormal conditions, such as overload, to ensure the reliability of the assembly and connection of the container and the vehicle body.

With reference to fig. 4 and 5, in the embodiment of the present invention, a winding drum 10 is fixedly disposed on an output shaft of each lifting motor 5, a first end of the steel wire rope 6 is wound on the winding drum of the corresponding lifting motor, and the driving of the lifting motor 5 can drive the winding drum 10 to rotate, so as to wind the steel wire rope 6 on the winding drum 10.

The winding drum 10 of the embodiment of the invention can be internally provided with a reduction gearbox, so that the rotating speed of the winding drum 10 can be reduced, the lifting speed of the lower frame 4 can be reduced, and the lifting stability of the lower frame 4 can be improved.

Referring to fig. 4 and 5, in the embodiment of the present invention, the upper frame 3 is provided with the spool supports 11 corresponding to the spools 10 one by one, and the spools 10 are rotatably provided on the corresponding spool supports 11.

Further, with reference to fig. 4 and 5, in the embodiment of the present invention, the reel support 11 includes two opposite support plates 11.1 and a connecting plate 11.2, the same sides of the two support plates 11.1 are connected by the connecting plate 11.2, which enables the reel support 11 to be U-shaped as a whole, the reel 10 is rotatably disposed on the two support plates 11.1 through the rotating shaft 12, the upper frame 3 is disposed with a mounting plate 13 corresponding to the reel support 11, and the mounting plate 13 is fixedly connected to the corresponding connecting plate 11.2 of the reel support 11, so as to achieve the assembly of the reel support 11 on the upper frame 3.

Further, with reference to fig. 2, 4 and 5, in the embodiment of the present invention, a groove 11.3 may be disposed on a side of the connecting plate 11.2 facing away from the supporting plate 11.1, and a protrusion 52 may be disposed on the mounting plate 13, the protrusion 52 of the mounting plate 13 is clamped in the groove 11.3 on the connecting plate 11.2 of the corresponding spool support 11, and the mounting plate 13 and the connecting plate 11.2 of the corresponding spool support 11 are connected by a plurality of bolts, so that the reliability of the assembly of the spool support 11 on the upper frame 3 can be improved.

In the embodiment of the present invention, two support plates 11.1 and one connecting plate 11.2 constituting the roll support 11 may be integrally formed to improve the strength of the roll support 11.

Further, referring to fig. 1 and 3, the lifting motor 5 of the embodiment of the present invention is further provided with braking members 14, the braking members 14 and the winding drums 10 are arranged in a one-to-one correspondence, an output end of the braking member 14 is operatively applied to the winding drums 10, and when the lifting motor 5 stops working, an output end of the braking member 6 is applied to the winding drums 10, so that the winding drums 10 are prevented from being operated again due to container gravity and other factors, and safety is improved.

Of course, the braking member 14 of the embodiment of the present invention may also be disposed on the upper frame 3, and the braking motor may be used as the braking member 14, and other types of braking devices may also be used, which is not limited in the embodiment of the present invention.

For the embodiment of the invention, the mounting plate 13 for mounting the reel support 11 can be arranged on the end of the first beam 3.2, while the two fixed pulleys 8 of each set of hoisting assemblies can be rotatably arranged in the first beam 3.2 by means of respective brackets, and the two movable pulleys 7 of each set of hoisting assemblies can be rotatably arranged in the second beam 4.2 by means of respective brackets.

In addition, in the embodiment of the present invention, through holes corresponding to the wire rope 6 are provided at the bottom of the upper frame 3 and the top of the lower frame 4, through which the wire rope 6 passes, and the shape of the through hole through which the wire rope 6 passes is not limited in the embodiment of the present invention.

The embodiment of the invention also comprises a locking device which is arranged on the lower frame 4, and when the lower frame 4 and the upper frame 3 are close to each other, the locking device is operated to lock the lower frame and the upper frame with each other.

Referring to fig. 2, the bottom of the upper frame 3 according to the embodiment of the present invention is a first cover 15, fig. 6 is a schematic structural diagram of the first cover in fig. 2, and referring to fig. 6, in the embodiment of the present invention, a plurality of locking holes 24 are disposed on the first cover 1.

Referring to fig. 3, in the embodiment of the present invention, the top of the lower frame 4 is a second cover 16, the bottom of the lower frame 4 is a partition 17, fig. 7 is a schematic structural view of the second cover and the partition in fig. 3, and referring to fig. 3 and fig. 7, in the embodiment of the present invention, the second cover 16 and the partition 17 are fixedly connected, and the partition 17 is located below the second cover 16.

Fig. 8 is a schematic layout view of a locking device according to an embodiment of the present invention on a vehicle frame, fig. 9 is a schematic structural view of the locking device in fig. 8, and with reference to fig. 8 and 9, the locking device according to an embodiment of the present invention mainly includes a rotating pin assembly, a fixed pin assembly, and a driving assembly.

With reference to fig. 8 and 9, the rotating pin assembly of the embodiment of the present invention includes a rotating pin 18, a locking head 19 and a rotating handle 20, wherein a first through hole corresponding to the rotating pin 18 is disposed on the second cover plate 16 and the partition plate 17, the rotating pin 18 is fixedly inserted through the first through hole corresponding to the second cover plate 16 and the partition plate 17, the locking head 19 is fixedly disposed at a head of the rotating pin 18, and the locking head 19 can rotate in the corresponding locking hole 24; the rotating handle 20 is fixedly arranged at the bottom of the rotating pin 18, a first limiting surface and a second limiting surface are arranged on the circumferential surface of the rotating handle 20 at intervals, and the rotating handle 20 is positioned below the partition plate 17.

Referring to fig. 8 and 9, the rotating pin assembly of the embodiment of the present invention includes a top pin 21, a limiting block 22 and a return spring 23, wherein a central axis of the top pin 21 and a central axis of the rotating pin 18 are arranged in parallel, the second cover plate 16 and the partition plate 17 are both provided with a second through hole corresponding to the top pin 21, the top pin 21 can extend and retract in the second through hole of the second cover plate 16 and the partition plate 17, that is, the top pin 21 can operatively lift along the central axis of the top pin 21, the top pin 21 is provided with a supporting protrusion 53, the limiting block 22 is fixedly arranged at the bottom of the top pin 21, the limiting block 22 is located below the partition plate 17, and the limiting block 22 operatively cooperates with the first limiting groove or the second limiting groove to lock the rotating handle 20; the reset spring 23 is sleeved on the ejector pin 21, the reset spring 23 is arranged between the supporting protrusion 53 and the limiting block 22, specifically, in the lower frame, the reset spring 23 is arranged between the supporting protrusion 53 and the partition plate 17, namely, the upper end of the reset spring 23 is connected with the supporting protrusion 53, and the lower end of the reset spring 23 is arranged on the partition plate 17.

The driving assembly of the embodiment of the invention mainly comprises a driving mechanism, the output end of the driving mechanism is connected with the rotating handle 20, and the rotating handle 20 can be driven to rotate by operating the driving mechanism.

When the upper frame 3 and the lower frame 4 need to be locked, the lower frame 4 is controlled to ascend through the lifting assembly, so that the lock head 19 on the rotating pin 18 on the lower frame 4 penetrates through the corresponding lock hole 24 on the upper frame 3, the ejector pin 21 is pressed down by the upper frame 3 at the moment, the limiting block 22 is synchronously pressed down, the rotating handle 20 on the lower frame 4 is unlocked, and the return spring 23 is in a compressed state at the moment; the driving mechanism is operated to drive the rotating handle 20 to rotate a certain angle, so that the lock head 19 also rotates a certain angle, and the lock head 19 cannot fall off from the lock hole 24 on the upper frame 3; the lifting assembly controls the lower frame 4 to descend to a small height, the return spring 23 returns to drive the ejector pin 21 and the limiting block 22 to return, at the moment, the limiting block 22 is matched with the rotating handle 20, the rotating handle 20 is mechanically clamped by the limiting block 22, and the upper frame 3 and the lower frame 4 are rigidly locked; the upper frame 3 and the lower frame 4 are separated from each other, and the operation is reversed.

Referring to fig. 9, in the embodiment of the present invention, two tangent planes 25 are oppositely disposed on the circumferential surface of the lock head 19, two limiting protrusions 26 are also oppositely disposed on the circumferential surface of the lock head 19, the limiting protrusions 26 are located between the two tangent planes 25, the distance between the two tangent planes 25 is smaller than the width of the lock hole 24, the distance between the two limiting protrusions 26 is larger than the width of the lock hole 24 and smaller than the length of the lock hole 24, when the rotating pin 18 is in the unlocking state, the lock head 19 can movably extend and retract in the lock hole, and when the rotating pin 18 is in the locking state, the two limiting protrusions 26 are hung on the first cover plate and cannot movably extend and retract in the lock hole 24, so as to ensure the reliability of locking.

Referring to fig. 9, in the embodiment of the present invention, the rotating pin 18 is further provided with a lock seat 27 and a bearing platform 28 at intervals, the lock seat 27 and the bearing platform 28 are sequentially disposed between the lock head 19 and the rotating handle 20, a first gap is formed between the lock head 19 and the lock seat 27, the second cover plate 16 can be clamped in the first gap, a second gap is formed between the bearing platform 28 and the rotating handle 20, and the partition plate 17 is clamped in the second gap.

Furthermore, in the embodiment of the present invention, the lock seat 27 and the bearing platform 28 are in spherical fit, that is, the rotating pin 18 is divided into two parts, the first part is above the lock seat 27, the bearing platform 28 is a second part, the first part is connected with the second cover plate 16 through the first gap between the lock head 19 and the lock seat 27, and the second part is connected with the partition 17 through the second gap between the bearing platform 28 and the rotating handle 20, and meanwhile, the spherical fit between the lock seat 27 and the bearing platform 28, that is, the spherical fit between the first part and the second part can make the first part float relative to the second part to adapt to the impact when the upper frame and the lower frame are locked, so that the present invention has good practicability.

In the embodiment of the present invention, the bottom of the lock seat 27 is a spherical concave surface, and the top of the bearing platform 28 is a spherical convex surface, however, the two may be arranged oppositely, and the embodiment of the present invention is not limited thereto.

Accordingly, in the present embodiment, the first through hole of the second cover plate 16 through which the pivot pin 18 passes may be provided as a kidney-shaped hole so that the first portion may have a conical swing therein.

Further, referring to fig. 9, in the embodiment of the present invention, the rotating pin 18 is further provided with a first positioning block 29, the first positioning block 29 is fixedly disposed at the bottom of the rotating pin 18, and the first positioning block 29 is disposed in close contact with the rotating handle 20, so that the rotating handle 20 can be locked, and the reliability of connection of the rotating handle 20 is ensured.

In the embodiment of the present invention, the first positioning block 29 may be in the form of a transverse bolt or a split pin, which is not limited in the embodiment of the present invention.

In the embodiment of the present invention, the first and second limiting surfaces disposed at intervals on the circumferential surface of the rotating handle 20 may be in the form of grooves, and when the limiting block 22 is located in the groove, the rotation of the rotating handle 20 can be limited.

In the embodiment of the present invention, a third through hole may be further disposed on the first cover plate 15 of the upper frame 3, and the third through hole may be penetrated by a head of the knock pin and may provide a guide for the movement of the knock pin 21.

Referring to fig. 8 and 9, in the embodiment of the present invention, the knock pin assembly further includes a sleeve 30, the sleeve 30 is fixedly disposed at the bottom of the partition 17, the knock pin 21 is retractable in the sleeve 30, and the limiting block 22 is located at the lower portion of the sleeve 30. When the return spring is reset, the limiting block 22 is arranged against the bottom of the sleeve 30, namely, the sleeve 30 has a limiting effect, so that the limiting block 22 is in a given locking position, and the locking reliability is ensured.

Referring to fig. 9, in the embodiment of the present invention, the knock pin 21 is further provided with a second positioning block 31, the second positioning block 31 is fixedly disposed at the bottom of the knock pin 21, and the second positioning block 31 is disposed to be close to the limiting block 22, so that the limiting block 22 can be locked, and the reliability of connection of the limiting block 22 is ensured.

In the embodiment of the present invention, the second positioning block 31 may be in the form of a transverse bolt or a split pin, which is not limited in the embodiment of the present invention.

In the embodiment of the present invention, the angle at which the driving mechanism drives the rotating handle 20 to rotate may be set to 90 °, and of course, the angle may also be other set angles.

Referring to fig. 9, the driving mechanism in the embodiment of the present invention includes a driving member 32, a first link 33 and a second link 34, wherein an output end of the driving member 32 makes a linear reciprocating motion, the first link 33 is L-shaped, the output end of the driving member 32 is rotatably connected to one end of the first link 33, the other end of the first link 33 is rotatably connected to one end of the second link 34, and the other end of the second link 22 is rotatably connected to the rotary handle 20, so that the rotary handle 20 can be rotated by controlling the operation of the output end of the driving member 32.

Further, referring to fig. 9, the driving mechanism according to the embodiment of the present invention further includes a third link 35 and a fourth link 36, one end of the third link 35 is connected to a corner of the first link 33, the other end of the third link 35 extends away from the second link 22, the other end of the third link 35 is rotatably connected to one end of the fourth link 36, and the fourth link 36 is rotatably connected to the other rotating handle 20, so that the rotation of the two rotating handles 20 can be realized by one driving member 32, and the driving of the two locking devices can be further realized.

Furthermore, the embodiment of the present invention further includes two opposite and fixedly disposed guide plates 37, and the third link 35 movably passes through the two guide plates 37, so that the third link 35 can move linearly, thereby miniaturizing the fourth link 36 and the second link 22 to optimize the arrangement of the lower frame.

In the embodiment of the present invention, the guide plate 37 may be fixed to the second cover plate 16 and the partition 17 of the lower frame 4, and the driving member 32 may also be fixed to a fixing seat 38, where the fixing seat 38 may be fixedly disposed at the bottom of the second cover plate 16 of the lower frame 4.

In the embodiment of the present invention, the driving member may be selected as a servo electric push rod, or other mechanisms, such as a hydraulic cylinder, etc., which is not limited in this respect.

In addition, in the embodiment of the invention, the lower frame can be further provided with position sensors which are in one-to-one correspondence with the limiting blocks 22, when the limiting blocks 22 descend to the preset positions, the position sensors corresponding to the limiting blocks can be used for further controlling the driving piece to start working, and the automatic operation characteristic is realized.

For the embodiment of the invention, a locking device is arranged in each second beam 4.2, and the driving part of the locking device can be extended and contracted along the transverse direction.

After the lower frame 4 and the upper frame 3 are separated, the lower frame 4 and containers need to be quickly assembled and connected, and in order to realize the quick assembly and connection of the containers with different specifications and the lower frame 4, the frame also comprises a guide device.

With reference to fig. 3, the lower frame 4 in the embodiment of the present invention further includes a third cross beam 4.3 and a fourth cross beam 4.4, wherein the middle portions of the third cross beam 4.3 and the fourth cross beam 4.4 are both fixedly disposed on the second longitudinal beam 4.1, two third cross beams 4.3 are disposed oppositely, two fourth cross beams 4.4 are also disposed oppositely, the two fourth cross beams 4.4 are located at two ends of the second longitudinal beam 4.1, and the two third cross beams 4.3 are located between the two fourth cross beams 4.4.

Further, referring to fig. 3, in the embodiment of the present invention, the second beam 4.2 is located between the third beam 4.3 and the fourth beam 4.4 on the same side.

Fig. 10 is a schematic structural view of a lower frame having a guide device according to an embodiment of the present invention, and in conjunction with fig. 10, the guide device according to the embodiment of the present invention mainly includes a first guide plate 39, a second guide plate 40, and a third guide plate 41.

Referring to fig. 1, in the embodiment of the present invention, the two ends of each of the third beam 4.3 and the fourth beam 4.4 are provided with the first guide plates 39, the two first guide plates 39 on each of the third beam 4.3 and the fourth beam 4.4 are arranged along the transverse direction, and the guide surfaces of the two first guide plates 39 on each of the third beam 4.3 and the fourth beam 4.4 are arranged opposite to each other.

In the embodiment of the invention, the dimension between the two first guide plates 39 on each third beam 4.3 and fourth beam 4.4 corresponds to the width of the container.

In the embodiment of the present invention, the first guide plate 39 may be connected to the end of the third cross member 4.3 or the end of the fourth cross member 4.4 by integral molding or welding, which is not limited in the embodiment of the present invention.

Referring to fig. 10, in the embodiment of the present invention, each third beam 4.3 is further provided with a second guide plate 40, the second guide plates 40 on the two third beams 4.3 are oppositely arranged in the longitudinal direction, the guide surfaces of the second guide plates 40 on the two third beams 4.3 are oppositely arranged, and the second guide plates 40 and the third beams 4.3 are connected in a reversible manner.

In particular, in the embodiment of the present invention, the second guiding plate 40 can be turnably connected to the third beam 4.3 by a turning assembly, fig. 11 is a schematic structural view of the flipping module in fig. 10, and in conjunction with fig. 10 and 11, the flipping module according to the embodiment of the present invention includes a first driving member 42, a fifth link 43, a sixth link 44 and a connecting shaft 45, wherein, the first driving component 42 is fixedly arranged on the body, the output end of the first driving component 42 can stretch and retract along the transverse direction, and the fifth link 43 and the sixth link 44 each have opposite first and second ends, the first end of the fifth link 43 is rotatably connected with the output end of the first driving member 42, the second end of the fifth link 43 is rotatably connected with the first end of the sixth link 44, the connecting shaft 45 is rotatably arranged at the end of the third cross beam 4.3, the upper end of the second guide plate 40 is fixedly connected to the connecting shaft 45, and the connecting shaft 45 is rotatably connected with the second end of the sixth link 44.

In the embodiment of the present invention, when the first driving element 42 does not work, the second guide plate 40 is in a vertical state, the output end of the second driving element 7 is controlled to extend out, the fifth connecting rod 43 and the sixth connecting rod 44 can drive the connecting shaft 45 to rotate, and further drive the second guide plate 40 to fold towards the inside of the first cross beam, and when the second guide plate 40 is in a horizontal state, the first driving element 42 stops working. That is, the embodiment of the present invention drives the first driving member 42 to make the second guide plate 40 in the vertical state or the horizontal state.

Referring to fig. 10, in the embodiment of the present invention, two first fixing seats 46 are fixedly disposed in the third cross beam 4.3, the first driving member 42 is disposed in the third cross beam 4.3, and the first driving member 42 is fixedly disposed on the two first fixing seats 46, so as to realize the positioning of the first driving member 42.

Referring to fig. 10, in the embodiment of the present invention, the end of the third beam 4.3 is provided with a limiting plate 47, the limiting plate 47 is located on one side of the non-guide surface of the second guide plate 40, and the limiting plate 47 can limit the second guide plate 40 from turning to the outside of the third beam 4.3, so that the second guide plate can only turn according to the set working path.

In the embodiment of the present invention, the distance between the two second guide plates 40 in the horizontal state is consistent with the longitudinal dimension of the 20ft container, so as to guide the longitudinal direction of the 20ft container.

Of course, in the embodiment of the present invention, four second guide plates 40 may be provided, that is, two second guide plates 40 are provided on each third cross beam 4.3, and two second guide plates 40 on each third cross beam 4.3 are respectively located on both sides of the second longitudinal beam 4.1, that is, the longitudinal direction of the 20ft container is guided by four guide plates arranged in a square shape.

Referring to fig. 10, in the embodiment of the present invention, two third guide plates 41 are provided, two third guide plates 41 are oppositely provided at both ends of the second longitudinal beam 4.1, guide surfaces of the two third guide plates 41 are oppositely provided, and the third guide plates 41 can extend and contract along the length direction of the second longitudinal beam.

In the initial state, the distance between the two third guide plates 41 of the embodiment of the invention is consistent with the longitudinal dimension of the 40ft container, so as to guide the longitudinal direction of the 40ft container; the third guide plates 41 are controlled such that the distance between the two third guide plates 41 coincides with the longitudinal dimension of the 45ft container for guiding the longitudinal direction of the 45ft container.

In the embodiment of the invention, the third guide plate can be stretched and retracted along the length direction of the longitudinal beam through the stretching assembly. Fig. 12 is a schematic structural view of the telescopic assembly in fig. 10, and referring to fig. 12, the telescopic assembly of the embodiment of the present invention includes a second driving member 48 and a connecting beam 49, wherein the second driving member 48 is fixedly disposed on the body, an output end of the second driving member 48 is telescopic along the middle longitudinal direction, the connecting beam 49 is slidably disposed on the body, one end of the connecting beam 49 is fixedly connected with the output end of the second driving member 48, an upper end of the third guide plate 41 is fixedly disposed on the other end of the connecting beam 49, and a lower end of the third guide plate 41 extends vertically downward, so that the telescopic operation of the third guide plate 41 can be achieved by controlling the telescopic operation of the output end of the second driving member 48.

With reference to fig. 10 and 12, in the embodiment of the present invention, a second fixed support 50 may be fixedly disposed in the second longitudinal beam 4.1, the second driving member 48 is disposed in the second longitudinal beam 4.1, and the second driving member 48 and the second fixed support 50 are fixedly connected.

Further, the bottom wall of the inner part of the second longitudinal beam 4.1 of the embodiment of the invention may be provided with a sliding slot, and the connecting beam 4 is slidably arranged in the sliding slot to guide the movement of the connecting beam 4.

It should be noted that the third guide plate 41 of the embodiment of the present invention may be provided in a larger number, but the embodiment of the present invention is preferably two in consideration of space limitation.

In the embodiment of the present invention, the first driving member 42 and the second driving member 48 can be both servo electric push rods, but other types of linear reciprocating motion can be used, such as a motor or an oil cylinder, which is not limited in the embodiment of the present invention.

The guide surfaces of the first guide plate 39, the second guide plate 40 and the third guide plate 41 of the embodiment of the invention are all inclined surfaces, so that the lower frame and the container have certain deviation in the horizontal direction, and the lower frame and the container can be conveniently assembled.

Fig. 13 is a schematic structural diagram of the 20ft container hoisted by the lower frame with the guide device shown in fig. 1, and with reference to fig. 4, when the 20ft container is to be hoisted, the second guide plate 40 on the third cross beam 4.3 is controlled to enable the second guide plate 40 to be in a vertical state, and when the lower frame descends, the first guide plates 39 on the two third cross beams 4.3 are used for transversely guiding the 20ft container, and the second guide plates 40 on the two third cross beams 4.3 are used for longitudinally guiding the 20ft container, so that the lower frame and the 20ft container can be quickly locked.

Fig. 14 is a schematic structural diagram of the lower frame provided with the guide device shown in fig. 10 for hoisting a 40ft container, and with reference to fig. 13, when the 40ft container needs to be hoisted, the second guide plate 40 on the third cross beam 4.3 is controlled to enable the second guide plate 40 to be in a horizontal state so as to avoid interference when the lower frame and the 40ft container are assembled, meanwhile, the third guide plate 41 is controlled to enable the distance between the two third guide plates 41 to be consistent with the longitudinal dimension of the 40ft container, the third cross beam 4.3 and the first guide plate 39 on the fourth cross beam 4.4 are used for transversely guiding the 40ft container, and the two third guide plates 41 are used for longitudinally guiding the 40ft container so as to enable the lower frame and the 40ft container to be quickly locked.

Fig. 15 is a schematic structural diagram of the lower frame with a guiding device shown in fig. 10 for hoisting a 45ft container, and referring to fig. 14, when the 45ft container needs to be hoisted, the second guide plate 40 on the third cross beam 4.3 is controlled to make the second guide plate 40 in a horizontal state so as to avoid interference when the lower frame and the 45ft container are assembled, meanwhile, the third guide plate 41 is controlled to make the distance between the two third guide plates 41 consistent with the longitudinal dimension of the 45ft container, the first guide plates 39 on the third cross beam 4.3 and the fourth cross beam 4.4 are used for transversely guiding the 45ft container, and the two third guide plates 41 are used for longitudinally guiding the 45ft container so as to quickly lock the lower frame and the 45ft container.

Therefore, the container assembling device can adapt to the assembly of containers with different specifications and lower frames by controlling the overturning of the second guide plate and the expansion of the third guide plate, is convenient and quick, and has good universality and practicability.

In the embodiment of the invention, the lower frame and the container can be assembled and connected through the lock, the lock is the same as the lock for connecting the container with the aerial vehicle through the jacking equipment in the prior art, and the embodiment of the invention is not limited to this.

In addition, in the embodiment of the invention, with reference to fig. 1, container falling prevention devices 51 can be arranged at two ends of the third beam 4.3, and after the lower frame and the container are assembled, the container falling prevention devices can drag the container, so as to improve the safety of the container during transportation.

The specific structure of the container anti-falling device in the embodiment of the invention has been described in the patent application with the application number of "201811638159.0" and the name of "container anti-falling device", and the embodiment of the invention is not repeated.

Fig. 16 is a schematic view of the container lifted by the air transport vehicle according to the embodiment of the present invention, and with reference to fig. 15, the specific steps of lifting the container by the air transport vehicle are as follows:

the air transport vehicle stops after running in place in a no-load mode, the container is located under the vehicle → the lifting assembly is operated, the upper frame and the lower frame are separated → the lifting assembly is operated, the lower frame falls → the container anti-falling device on the lower frame is opened, the guiding device corresponding to the type of the container is opened → the lock between the lower frame and the container is operated, the locking of the lower frame and the container is completed → the lifting assembly is operated, the lower frame and the container are integrally lifted → the container anti-falling device on the lower frame is contracted, the container anti-falling device is dragged to the container → the lifting assembly and the locking device are operated, the upper frame and the lower frame are locked → the air transport vehicle completes the loading process, and the vehicle can start transportation. And the box unloading process acts in the opposite direction.

In conclusion, the aerial transport vehicle provided by the embodiment of the invention can realize the assembly and connection of the aerial transport vehicle and the container through self equipment, is simple to operate, has high automation degree and has good practicability.

The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the invention.

Claims

1. A vehicle frame, comprising:

an upper frame;

a lower frame;

2. The frame of claim 1, wherein each set of said lifting assemblies comprises a lifting motor, a wire rope, and a traveling block, wherein:

3. The frame of claim 2, wherein each set of said lifting assemblies further comprises two fixed pulleys corresponding to said wire rope, said two fixed pulleys being disposed opposite to each other along the second direction, said two fixed pulleys being disposed opposite to each other between said two lifting motors, said two fixed pulleys each being rotatably disposed on said upper frame;

4. The frame of claim 3, wherein a tension sensor is arranged on the two steel wire ropes connected together, and the tension sensor is arranged between the two fixed pulleys.

5. The frame of claim 2, wherein a winding drum is fixedly arranged on the output shaft of each lifting motor, and the first end of the steel wire rope is wound on the winding drum of the corresponding lifting motor.

6. The frame of claim 1, wherein the locking device comprises:

rotating the pin;

the lock head is fixedly arranged at the head part of the rotating pin;

7. The frame of claim 6, wherein the pivot pin further comprises a lock seat and a bearing platform at intervals, the lock seat and the bearing platform are sequentially arranged between the lock head and the pivot handle, a first gap is formed between the lock head and the lock seat, the second cover plate is clamped in the first gap, a second gap is formed between the bearing platform and the pivot handle, the partition plate is clamped in the second gap, and the lock seat and the bearing platform are in spherical fit.

8. The frame of claim 6, wherein the locking device further comprises a sleeve, the sleeve is fixedly arranged at the bottom of the partition plate, the ejector pin can extend and retract in the sleeve, and the limiting block is positioned at the lower part of the sleeve.

9. The frame of claim 1, wherein the lower frame comprises a second longitudinal beam, a third cross beam and a fourth cross beam, the middle parts of the third cross beam and the fourth cross beam are fixedly arranged on the second longitudinal beam, the number of the third cross beam and the fourth cross beam are oppositely arranged, two fourth cross beams are arranged at two ends of the second longitudinal beam, and two third cross beams are arranged between the two fourth cross beams;

10. An air transportation vehicle, characterized in that the vehicle comprises a frame according to any of claims 1-9.