CN113401358A

CN113401358A - Vehicle-mounted folding helicopter lifting platform

Info

Publication number: CN113401358A
Application number: CN202110562303.2A
Authority: CN
Inventors: 朱海青; 李旺; 梅之永; 方群; 李欢; 程营; 孙韵; 陈冲
Original assignee: BENGBU SHENZHOU MACHINERY CO LTD
Current assignee: BENGBU SHENZHOU MACHINERY CO LTD
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-09-17

Abstract

The invention provides a vehicle-mounted folding helicopter landing platform, and belongs to the technical field of helicopter landing. The vehicle-mounted folding helicopter lifting platform comprises a carrying vehicle, a hoisting mechanism and a lifting platform assembly. The hoisting mechanism is arranged on the carrier loader, the lifting platform assembly comprises a retractable platform part, two longitudinal extension platform parts, a slide way, a hook, a driving mechanism I, a driving mechanism II and a driving mechanism III, and the retractable platform part comprises a retractable platform, two transverse extension platforms I and two transverse extension platforms II. The platform that receive and releases transversely and the vertical extension back constitutes the great helicopter platform that rises and falls of an area, improves the ground in place of taking off and land through the platform, and the helicopter of being convenient for takes off and land under the abominable condition of natural condition, and then effectively improves under the abominable condition of natural condition, is not convenient for the problem that the helicopter took off and land by the restriction in place of taking off and land, receive and releases the platform transversely and the vertical extension pack up the back, on the loading carrier loader.

Description

Vehicle-mounted folding helicopter lifting platform

Technical Field

The invention relates to the field of helicopter landing, in particular to a vehicle-mounted folding helicopter landing platform.

Background

Under the field strange environmental conditions of mountainous regions, jungles, deserts, islands and the like, due to the lack of fixed airports, the natural conditions are severe, the lifting and landing sites are limited, various guarantee resources are limited, the application of helicopters is greatly limited, and the real-time use efficiency of earthquake-resistant rescue is severely limited.

Disclosure of Invention

In order to make up for the defects, the invention provides a vehicle-mounted folding helicopter landing platform, aiming at solving the problem that the helicopter is inconvenient to take off and land due to the limitation of a taking-off and landing place under the condition of severe natural conditions.

The invention is realized by the following steps:

a vehicle-mounted folding helicopter lifting platform comprises a carrying vehicle, a hoisting mechanism and a lifting platform assembly.

The hoisting mechanism is arranged on the carrier vehicle, the lifting platform assembly comprises a retractable platform part, two longitudinal extension platform parts, a slide way, a hook, a driving mechanism I, a driving mechanism II and a driving mechanism III, the retractable platform part comprises a retractable platform, two transverse extension platforms I and two transverse extension platforms II, the transverse extension platforms I are respectively hinged on two transverse sides of the retractable platform, the two transverse extension platforms II are respectively hinged on one side of the transverse extension platform I, which is far away from the retractable platform, the two longitudinal extension platform parts are respectively arranged on two longitudinal sides of the retractable platform, the longitudinal extension platform part comprises a longitudinal extension platform I, two longitudinal extension platforms II and two longitudinal extension platforms III, one longitudinal side of the two longitudinal extension platforms I is respectively hinged on two longitudinal sides of the retractable platform, the transverse sides of the two longitudinal extension platforms II are respectively hinged with the transverse sides of the longitudinal extension platform I, the two longitudinal extension platforms III are respectively hinged with the side, far away from the longitudinal extension platform I, of the longitudinal extension platform II, the driving mechanisms I are respectively arranged between the transverse extension platform I and the retraction platform and between the longitudinal extension platform I and the longitudinal extension platform II, the driving mechanisms II are respectively arranged between the transverse extension platform I and the transverse extension platform II and between the longitudinal extension platform II and the longitudinal extension platform III, the driving mechanisms III are arranged between the longitudinal extension platform I and the retraction platform, the slide ways are fixedly connected with the lower sides of the retraction platform, the slide ways can slide along the tail parts of the carrying vehicles, and the hooks are fixedly connected with the back parts of the longitudinal extension platforms I, the hanging hook is hung in the hoisting mechanism.

In one embodiment of the invention, the driving mechanism I comprises a driving plate I, a hydraulic oil cylinder I and a hinged plate, the middle part of the driving plate I is provided with a mounting hole I, the mounting hole I and one end of the hinged plate are respectively hinged at the position close to the side wall in the transverse direction of the retractable platform and at the position close to the side wall in the transverse direction of the longitudinal expansion platform I, one end of the driving plate I and the other end of the hinged plate are respectively hinged on one side of the transverse inside of the transverse expansion platform I and one side of the transverse inside of the longitudinal expansion platform II, a four-bar linkage mechanism is formed by a hinge point of the mounting hole I, a hinge point of one end of the driving plate I and two hinge points at two ends of the hinge plate, one end of the hydraulic oil cylinder I is hinged to the other end of the driving plate I, and the other end of the hydraulic oil cylinder I is hinged to the interior of the retracting platform and the interior of the longitudinal extension platform I respectively.

In one embodiment of the invention, the driving mechanism II comprises a driving plate II, a connecting plate and a hydraulic oil cylinder II, the driving plate II is triangular, a mounting hole II, a mounting hole III and a mounting hole IV are respectively formed in the triangular position of the driving plate II, one end of the connecting plate is respectively hinged to one side of the transverse inner part of the transverse expansion platform II and one side of the transverse inner part of the longitudinal expansion platform III, the other end of the connecting plate is hinged to the mounting hole III, a containing groove is formed in the driving plate II close to one end of the mounting hole III, one end of the connecting plate is located in the containing groove, the mounting hole II is hinged to one side of the transverse inner part of the transverse expansion platform I and one side of the transverse inner part of the longitudinal expansion platform II, one end of the hydraulic oil cylinder II is hinged to the inner parts of one sides of the transverse expansion platform I and the longitudinal expansion platform II, the other end of the hydraulic oil cylinder II is hinged to the mounting hole IV.

In one embodiment of the invention, the driving mechanism III comprises a connecting lug plate and a hydraulic oil cylinder III, the connecting lug plate is fixedly connected to the outer wall of one longitudinal side of the longitudinal extension platform I, one end of the hydraulic oil cylinder III is hinged to the connecting lug plate, and the other end of the hydraulic oil cylinder III is hinged to one side of the longitudinal inner part of the retraction platform.

In an embodiment of the present invention, the retractable platform, the transverse expansion platform i, the transverse expansion platform ii, the longitudinal expansion platform i, the longitudinal expansion platform ii, and the longitudinal expansion platform iii are all composed of a support and a landing plate, and the landing plate is fixedly connected to an upper side of the support.

The invention has the beneficial effects that: the invention relates to a vehicle-mounted folding helicopter landing platform obtained through the design, when a folding platform piece needs to be unfolded, one end of a landing platform component is hoisted through a hoisting mechanism, then the landing platform component is placed on the ground, a transverse expansion platform I rotates around the transverse side wall of the folding platform until the transverse expansion platform I and the folding platform are in the same plane, a transverse expansion platform II is rotated and laid until the transverse expansion platform II and the transverse expansion platform I are in the same plane, the transverse expansion of the folding platform is finished, when the transverse expansion is folded, the operation is carried out according to the reverse sequence until the transverse expansion platform II is attached to the transverse expansion platform I, the transverse expansion platform I and the folding platform are mutually vertical, when the longitudinal expansion platform piece is unfolded, the longitudinal expansion platform I drives the longitudinal expansion platform II and a longitudinal expansion platform III to rotate around the longitudinal side wall of the folding platform, until the longitudinal expansion platform I and the retraction platform are positioned on the same plane, then the longitudinal expansion platform II is rotated, the longitudinal expansion platform II is rotated around the longitudinal expansion platform I, until the longitudinal expansion platform II and the longitudinal expansion platform I are positioned on the same plane, finally the longitudinal expansion platform III is rotated, the longitudinal expansion platform II is rotated, until the longitudinal expansion platform III and the longitudinal expansion platform II are positioned on the same plane, the longitudinal expansion of the retraction platform is completed, the longitudinal expansion and retraction work is carried out in the reverse order, the longitudinal expansion platform III is retracted to be attached to the longitudinal expansion platform II, then the longitudinal expansion platform II and the longitudinal expansion platform I are retracted, the driving mechanism I is used for driving the extension and retraction of the transverse expansion platform I and the longitudinal expansion platform II, the driving mechanism III is used for driving the extension and retraction of the longitudinal expansion platform I, the driving mechanism II is used for driving the extension and retraction of the transverse expansion platform II and the longitudinal expansion platform III, receive and release the platform and transversely and vertically expand the back, constitute the great helicopter platform that rises and falls of an area, improve the ground in place of taking off and land through the platform, the helicopter of being convenient for takes off and land under the abominable condition of natural condition, and then effectively improve under the abominable condition of natural condition, receive the problem that the helicopter was not convenient for to take off and land in the place restriction of taking off and land, receive and release the platform and transversely pack up the back with vertical expansion, on loading back the carrier loader through hoisting machine structure, be convenient for shift.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Figure 1 is a schematic perspective view of a vehicle mounted folding helicopter landing platform according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a landing platform assembly according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of the deploying and retracting platform member according to the embodiment of the present invention;

FIG. 4 is a schematic perspective view of the transversely extending retractable platform member provided by an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a longitudinally extending platform member according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of the retractable platform and the longitudinally-extending platform after the extension is completed according to the embodiment of the present invention;

FIG. 7 is a schematic view of the drive mechanism I of the present invention when deployed;

FIG. 8 is a schematic view of the embodiment of the present invention showing the deployment of the driving mechanism II;

FIG. 9 is a schematic diagram of the embodiment of the present invention when the driving mechanism II is retracted;

fig. 10 is a schematic structural view of the driving mechanism iii according to the embodiment of the present invention when deployed.

In the figure: 100-carrying vehicle; 200-a hoisting mechanism; 300-a landing platform assembly; 310-deploying and retracting platform members; 311-retraction platform; 312-lateral expansion platform i; 313-lateral expansion platform ii; 320-longitudinally expanding the platform member; 321-longitudinal expansion platform I; 322-longitudinal expansion platform ii; 323-longitudinal expansion platform iii; 330-a slide; 340-hanging hooks; 350-a driving mechanism I; 351-drive plate I; 352-mounting hole I; 353-a hydraulic oil cylinder I; 354-hinge plate; 360-driving mechanism II; 361-drive plate II; 362-mounting hole II; 363-mounting hole III; 364-mounting hole IV; 365-a containing groove; 366-a connecting plate; 367-hydraulic cylinder II; 370-drive mechanism III; 371-connecting ear plates; 372-hydraulic cylinder III.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 to 10, the present invention provides a vehicle-mounted foldable helicopter landing platform, comprising a carrier 100, a lifting mechanism 200 and a landing platform assembly 300, wherein the carrier 100 is convenient for transporting the landing platform assembly 300, the lifting mechanism 200 is convenient for lifting the landing platform assembly 300, and the landing platform assembly 300 is used as a helicopter landing platform after being unfolded.

In this embodiment, the sling 200 is mounted on the carrier 100, and the specific connection between the sling 200 and the carrier 100 is known to those skilled in the art and will not be described in detail herein.

Referring to fig. 2 and 3, the landing platform assembly 300 includes a retractable platform 310, two longitudinal extension platform 320, a slideway 330, a hook 340, a driving mechanism i 350, a driving mechanism ii 360 and a driving mechanism iii 370, the retractable platform 310 includes a retractable platform 311, two transverse extension platforms i 312 and two transverse extension platforms ii 313, the transverse extension platforms i 312 are respectively hinged to two transverse sides of the retractable platform 311, the two transverse extension platforms ii 313 are respectively hinged to one side of the transverse extension platform i 312 far from the retractable platform 311, when the retractable platform 310 needs to be unfolded, one end of the landing platform assembly 300 is lifted by the hoisting mechanism 200, the landing platform assembly 300 is placed on the ground, the transverse extension platform i 312 rotates around the transverse side wall of the retractable platform 311 until the transverse extension platform i 312 and the retractable platform 311 are in the same plane, the transverse extension platform ii 313 is swung out in a rotating manner, when the transverse expansion platform II 313 and the transverse expansion platform I312 are in the same plane, transverse expansion of the folding and unfolding platform 311 is completed, and when the transverse expansion is folded, operation is performed according to the reverse sequence, until the transverse expansion platform II 313 is attached to the transverse expansion platform I312, and the transverse expansion platform I312 is perpendicular to the folding and unfolding platform 311.

Referring to fig. 4, 5 and 6, two longitudinal expansion platform pieces 320 are respectively disposed on two longitudinal sides of the retractable platform 311, each longitudinal expansion platform piece 320 includes a longitudinal expansion platform i 321, two longitudinal expansion platforms ii 322 and two longitudinal expansion platforms iii 323, one longitudinal side of each longitudinal expansion platform i 321 is respectively hinged to one longitudinal side of the retractable platform 311, one transverse side of each longitudinal expansion platform ii 322 is respectively hinged to one transverse side of each longitudinal expansion platform i 321, and each longitudinal expansion platform iii 323 is respectively hinged to one side of each longitudinal expansion platform ii 322, which is far away from the longitudinal expansion platform i 321, when the longitudinal expansion platform pieces 320 are unfolded, the longitudinal expansion platforms i 321 drive the longitudinal expansion platforms ii 322 and the longitudinal expansion platforms iii 323 to rotate around the longitudinal side walls of the retractable platform 311 until the longitudinal expansion platforms i 321 and the retractable platform 311 are located on the same plane, and then the longitudinal expansion platforms ii 322 are rotated, the longitudinal expansion platform II 322 is rotated around the longitudinal expansion platform I321 until the longitudinal expansion platform II 322 and the longitudinal expansion platform I321 are positioned on the same plane, finally, the longitudinal expansion platform III 323 is rotated around the longitudinal expansion platform II 322 until the longitudinal expansion platform III 323 and the longitudinal expansion platform II 322 are positioned on the same plane, the longitudinal expansion of the retractable platform 311 is completed, the longitudinal expansion and retraction work is carried out in the opposite sequence, the longitudinal expansion platform III 323 is retracted to be attached to the longitudinal expansion platform II 322, then, the longitudinal expansion platform II 322 and the longitudinal expansion platform I321 are retracted, after the retractable platform 311 is transversely and longitudinally expanded, a helicopter landing platform with a larger area is formed, the foundation of a landing field is improved through the platform, the helicopter can conveniently take off and land under the severe natural condition, and further, under the severe natural condition can be effectively improved, the problem that the helicopter is inconvenient to take off and land due to the limitation of a take-off and landing place is solved, and the retractable platform 311 is transversely and longitudinally extended and retracted and then is loaded back to the carrier loader 100 through the hoisting mechanism 200, so that the transfer is facilitated.

In this embodiment, the driving mechanism i 350 is respectively disposed between the transverse expansion platform i 312 and the retracting platform 311 and between the longitudinal expansion platform i 321 and the longitudinal expansion platform ii 322, the driving mechanism i 350 is used for driving the transverse expansion platform i 312 and the longitudinal expansion platform ii 322 to expand and retract, the driving mechanism ii 360 is respectively disposed between the transverse expansion platform i 312 and the transverse expansion platform ii 313 and between the longitudinal expansion platform ii 322 and the longitudinal expansion platform iii 323, the driving mechanism ii 360 is used for driving the transverse expansion platform ii 313 and the longitudinal expansion platform iii 323 to expand and retract, the driving mechanism iii 370 is disposed between the longitudinal expansion platform i 321 and the retracting platform 311, the driving mechanism iii 370 is used for driving the longitudinal expansion platform i 321 to expand and retract, the slideway 330 is fixedly connected to the lower side of the retracting platform 311, the slideway 330 is fixed to the lower side of the retracting platform 311 by welding, the slide rail 330 can slide along the tail of the carrier loader 100, after the lifting mechanism 200 lifts the lifting platform assembly 300, the lifting mechanism 200 drives the slide rail 330 to slide along the tail of the carrier loader 100 until the slide rail 330 falls on the ground, the hook 340 is fixedly connected to the back of the longitudinal expansion platform I321, the hook 340 is fixedly welded to the back of the longitudinal expansion platform I321, the hook 340 is hung into the lifting mechanism 200, the lifting mechanism 200 lifts one end of the lifting platform assembly 300 through the hook 340, the retracting platform 311, the transverse expansion platform I312, the transverse expansion platform II 313, the longitudinal expansion platform I321, the longitudinal expansion platform II 322 and the longitudinal expansion platform III 323 are respectively composed of a support and a lifting plate, the lifting plate is fixedly connected to the upper side of the support, and the lifting plate is fixedly welded to the upper side of the support, so that the retracting platform 311, the transverse expansion platform I312, the transverse expansion platform II 313, the longitudinal expansion platform I321, And processing a longitudinal expansion platform II 322 and a longitudinal expansion platform III 323.

Referring to fig. 7, the driving mechanism i 350 includes a driving plate i 351, a hydraulic cylinder i 353 and a hinge plate 354, a mounting hole i 352 is formed in the middle of the driving plate i 351, one end of the mounting hole i 352 and one end of the hinge plate 354 are respectively hinged to a position close to a lateral side inside of the retraction platform 311 and a position close to a lateral side inside of the longitudinal expansion platform i 321, one end of the driving plate i 351 and the other end of the hinge plate 354 are respectively hinged to one side of the lateral inside of the lateral expansion platform i 312 and one side of the lateral inside of the longitudinal expansion platform ii 322, a hinge point of the mounting hole i 352, a hinge point of one end of the driving plate i 351 and two hinge points at two ends of the hinge plate 354 form a four-bar linkage mechanism, one end of the hydraulic cylinder i 353 is hinged to the other end of the driving plate i 351, the other end of the hydraulic cylinder i 353 is respectively hinged to the retraction platform 311 and the longitudinal expansion platform i 321, the hydraulic cylinder i 353 pushes the driving plate i 351 to swing, the driving plate I351 drives the four-bar mechanism to move, so that the driving plate I351 drives the transverse expansion platform I312 and the longitudinal expansion platform II 322 to expand and retract, and the purpose of driving the transverse expansion platform I312 and the longitudinal expansion platform II 322 to expand and retract through the hydraulic oil cylinder I353 is achieved.

Referring to fig. 8, 9 and 10, the driving mechanism ii 360 includes a driving plate ii 361, a connecting plate 366 and a hydraulic cylinder ii 367, the driving plate ii 361 is triangular, a mounting hole ii 362, a mounting hole iii 363 and a mounting hole iv 364 are respectively formed at the triangular position of the driving plate ii 361, one end of the connecting plate 366 is hinged to one side of the transverse inner portion of the transverse expansion platform ii 313 and one side of the transverse inner portion of the longitudinal expansion platform iii 323, the other end of the connecting plate 366 is hinged to the mounting hole iii 363, a containing groove 365 is formed in the driving plate ii 361 near one end of the mounting hole 363 iii, one end of the connecting plate 366 is located in the containing groove 365, the mounting hole ii 362 is hinged to one side of the transverse inner portion of the transverse expansion platform i 312 and one side of the longitudinal expansion platform ii 322, one end of the hydraulic cylinder ii 367 is hinged to one side of the transverse expansion platform i 312 and the longitudinal expansion platform ii 322, and the other end of the hydraulic cylinder ii 367 is hinged to the mounting hole iv 364, the driving mechanism III 370 comprises a connecting lug plate 371 and a hydraulic oil cylinder III 372, the connecting lug plate 371 is fixedly connected to the outer wall of one longitudinal side of the longitudinal expansion platform I321 through welding, one end of the hydraulic oil cylinder III 372 is hinged to the connecting lug plate 371, the other end of the hydraulic oil cylinder III 372 is hinged to one longitudinal inner side of the retraction platform 311, the hydraulic oil cylinder III 372 pushes the connecting lug plate 371 to enable the longitudinal expansion platform I321 to turn around the hinged position of the upper side of the retraction platform 311 so as to achieve the purposes of unfolding and retracting the longitudinal expansion platform I321, the hydraulic oil cylinder II 367 drives the driving plate II 361 to rotate around the mounting hole II 362, the driving plate II 361 is close to the mounting hole III 363 to push the connecting plate 366, the corresponding connecting plate 366 pushes the transverse expansion platform II 313 to rotate around the transverse expansion platform I312 and the longitudinal expansion platform III 323 to rotate around the longitudinal expansion platform II 322, and then reach the purpose that drives horizontal extension platform II 313 and vertical extension platform III 323 and expand and withdraw through hydraulic cylinder II 367, after the platform subassembly 300 that rises and falls to the ground, switch on hydraulic cylinder I353 and hydraulic cylinder II 367, through the receipts and releases of controlling hydraulic cylinder I353, hydraulic cylinder II 367 and hydraulic cylinder III 372, alright accomplish horizontal and vertical extension operation, the operating personnel of being convenient for operate.

Specifically, this vehicle-mounted folding helicopter landing platform's theory of operation: when the retractable platform piece 310 needs to be unfolded, one end of the lifting platform component 300 is lifted through the hoisting mechanism 200, then the lifting platform component 300 is placed on the ground, the transverse expansion platform I312 rotates around the transverse side wall of the retractable platform 311 until the transverse expansion platform I312 and the retractable platform 311 are in the same plane, the transverse expansion platform II 313 is rotated and laid until the transverse expansion platform II 313 and the transverse expansion platform I312 are in the same plane, the transverse expansion of the retractable platform 311 is completed, when the transverse expansion is retracted, the operation is carried out according to the reverse sequence until the transverse expansion platform II 313 is attached to the transverse expansion platform I312, the transverse expansion platform I312 and the retractable platform 311 are mutually vertical, when the longitudinal expansion platform piece 320 is unfolded, the longitudinal expansion platform I321 drives the longitudinal expansion platform II 322 and the longitudinal expansion platform III 323 to rotate around the longitudinal side wall of the retractable platform 311 until the longitudinal expansion platform I321 and the retractable platform 311 are in the same plane, then, the longitudinal expansion platform II 322 is rotated around the longitudinal expansion platform I321 until the longitudinal expansion platform II 322 and the longitudinal expansion platform I321 are positioned on the same plane, finally, the longitudinal expansion platform III 323 is rotated around the longitudinal expansion platform II 322 until the longitudinal expansion platform III 323 and the longitudinal expansion platform II 322 are positioned on the same plane, the longitudinal expansion of the retractable platform 311 is completed, the longitudinal expansion and retraction work is carried out in the reverse order, the longitudinal expansion platform III 323 is retracted to be attached to the longitudinal expansion platform II 322, then, the longitudinal expansion platform II 322 and the longitudinal expansion platform I321 are retracted, the driving mechanism I350 is used for driving the extension and retraction of the transverse expansion platform I312 and the longitudinal expansion platform II 322, the driving mechanism III 370 is used for driving the extension and retraction of the longitudinal expansion platform I321, the driving mechanism II 360 is used for driving the extension platform II 313 and the longitudinal expansion platform III 323 to be extended and retracted, receive and release platform 311 horizontal and vertical extension back, constitute the great helicopter platform that rises and falls of an area, improve the ground in place of taking off and landing through the platform, the helicopter of being convenient for takes off and land under the abominable condition of natural condition, and then effectively improve under the abominable condition of natural condition, the problem of the helicopter of not being convenient for of being restricted by the place of taking off and landing, receive and release platform 311 horizontal and vertical extension and pack up the back, on hoisting machine mechanism 200 loads back carrier loader 100, be convenient for shift.

The hydraulic cylinder I353 pushes the driving plate I351 to swing, the driving plate I351 drives the four-bar linkage to move, and then the driving plate I351 drives the transverse expansion platform I312 and the longitudinal expansion platform II 322 to expand and retract, and further the purposes of driving the transverse expansion platform I312 and the longitudinal expansion platform II 322 to expand and retract through the hydraulic cylinder I353 are achieved, the hydraulic cylinder III 372 pushes the connecting lug plate 371, the longitudinal expansion platform I321 is enabled to turn around the hinged position on the upper side of the retracting platform 311, the purposes of expanding and retracting the longitudinal expansion platform I321 are achieved, the hydraulic cylinder II 367 drives the driving plate II 361 to rotate around the mounting hole II 362, the driving plate II 361 is close to the mounting hole III 363 to push the connecting plate 366, the corresponding connecting plate 366 pushes the transverse expansion platform II 313 to rotate around the transverse expansion platform I312, the longitudinal expansion platform 323 rotates around the longitudinal expansion platform II 322, and therefore the purpose that the transverse expansion platform II 313 and the longitudinal expansion platform III 323 are driven by the hydraulic cylinder II 367 to expand and retract The purpose of, the platform subassembly 300 that rises and falls after falling to the ground, switch on hydraulic cylinder I353, hydraulic cylinder II 367 and hydraulic cylinder III 372, through control hydraulic cylinder I353, hydraulic cylinder II 367 and hydraulic cylinder III 372 receive and release, alright accomplish horizontal and vertical extension operation, the operating personnel of being convenient for operates.

It should be noted that the specific model specifications of the carrier loader 100, the hoisting mechanism 200, the hydraulic oil cylinder i 353, the hydraulic oil cylinder ii 367 and the hydraulic oil cylinder iii 372 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed excrescences are avoided.

The power and hydraulic pressure and the principles thereof for the carrier 100, the hoist mechanism 200, hydraulic ram i 353, hydraulic ram ii 367 and hydraulic ram iii 372 will be apparent to those skilled in the art and will not be described in detail herein.

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

Claims

1. A vehicle-mounted folding helicopter landing platform is characterized by comprising

A carrier vehicle (100);

the hoisting mechanism (200), the hoisting mechanism (200) is arranged on the carrier loader (100);

the lifting platform assembly (300) comprises a retractable platform part (310), two longitudinal expansion platform parts (320), a slide way (330), a hook (340), a driving mechanism I (350), a driving mechanism II (360) and a driving mechanism III (370), wherein the retractable platform part (310) comprises a retractable platform (311), two transverse expansion platforms I (312) and two transverse expansion platforms II (313), the transverse expansion platforms I (312) are respectively hinged to the two transverse sides of the retractable platform (311), the two transverse expansion platforms II (313) are respectively hinged to the transverse expansion platforms I (312) far away from one side of the retractable platform (311), the two longitudinal expansion platform parts (320) are respectively arranged on the two longitudinal sides of the retractable platform (311), and the longitudinal expansion platform parts (320) comprise longitudinal expansion platforms I (321), Two longitudinal expansion platforms II (322) and two longitudinal expansion platforms III (323), wherein one longitudinal side of each longitudinal expansion platform I (321) is respectively hinged with the two longitudinal sides of the retractable platform (311), one transverse side of each longitudinal expansion platform II (322) is respectively hinged with the two transverse sides of each longitudinal expansion platform I (321), the two longitudinal expansion platforms III (323) are respectively hinged with one side of each longitudinal expansion platform II (322) far away from the longitudinal expansion platform I (321), a driving mechanism I (350) is respectively arranged between the transverse expansion platform I (312) and the retractable platform (311) and between the longitudinal expansion platform I (321) and the longitudinal expansion platform II (322), and a driving mechanism II (360) is respectively arranged between the transverse expansion platform I (312) and the transverse expansion platform II (313) and between the longitudinal expansion platform II (322) and the longitudinal expansion platform III (323) Between, actuating mechanism III (370) set up in vertical extension platform I (321) with receive and release between platform (311), slide (330) fixed connection in receive and release platform (311) downside, slide (330) can be followed carrier loader (100) afterbody slides, couple (340) fixed connection in vertical extension platform I (321) back, couple (340) are hung into hoisting machine constructs (200).

2. The vehicle-mounted folding helicopter landing platform as claimed in claim 1, wherein the driving mechanism I (350) comprises a driving plate I (351), a hydraulic cylinder I (353) and a hinge plate (354), a mounting hole I (352) is formed in the middle of the driving plate I (351), one end of the mounting hole I (352) and one end of the hinge plate (354) are respectively hinged to the position close to the side wall in the transverse direction of the retractable platform (311) and the position close to the side wall in the transverse direction of the longitudinal expansion platform I (321), one end of the driving plate I (351) and the other end of the hinge plate (354) are respectively hinged to the side of the transverse direction of the transverse expansion platform I (312) and the side of the transverse direction of the longitudinal expansion platform II (322), and a four-bar mechanism is formed by the hinge point of the mounting hole I (352), the hinge point of one end of the driving plate I (351) and the two hinge points of the two ends of the hinge plate (354), one end of the hydraulic oil cylinder I (353) is hinged to the other end of the driving plate I (351), and the other end of the hydraulic oil cylinder I (353) is hinged to the interior of the retracting platform (311) and the interior of the longitudinal expansion platform I (321) respectively.

3. The vehicle-mounted folding helicopter landing platform of claim 1, wherein the driving mechanism II (360) comprises a driving plate II (361), a connecting plate (366) and a hydraulic oil cylinder II (367), the driving plate II (361) is triangular, a mounting hole II (362), a mounting hole III (363) and a mounting hole IV (364) are respectively formed in the triangular part of the driving plate II (361), one end of the connecting plate (366) is hinged to one side of the transverse inner part of the transverse expansion platform II (313) and one side of the transverse inner part of the longitudinal expansion platform III (323), the other end of the connecting plate (366) is hinged to the mounting hole III (363), a containing groove (365) is formed in the inner part of one end, close to the mounting hole III (363), of the driving plate II (361), and one end of the connecting plate (366) is located in the containing groove (365), the mounting hole II (362) is hinged to one side of the transverse inner portion of the transverse expansion platform I (312) and one side of the transverse inner portion of the longitudinal expansion platform II (322), one end of the hydraulic oil cylinder II (367) is hinged to the inner portions of one sides of the transverse expansion platform I (312) and the longitudinal expansion platform II (322), and the other end of the hydraulic oil cylinder II (367) is hinged to the mounting hole IV (364).

4. A vehicle-mounted folding helicopter landing platform according to claim 1, wherein said driving mechanism iii (370) comprises a connecting lug plate (371) and a hydraulic ram iii (372), said connecting lug plate (371) is fixedly connected to the outer wall of one longitudinal side of said longitudinal extension platform i (321), one end of said hydraulic ram iii (372) is hinged to said connecting lug plate (371), and the other end of said hydraulic ram iii (372) is hinged to one longitudinal inner side of said retraction platform (311).

5. A vehicle carried folding helicopter landing platform according to claim 1, wherein said retractable platform (311), said first laterally extending platform (312), said second laterally extending platform (313), said first longitudinally extending platform (321), said second longitudinally extending platform (322), and said third longitudinally extending platform (323) are each comprised of a frame and a landing plate, said landing plate being fixedly attached to the upper side of said frame.