CN111252252B - Helicopter loading and unloading platform device and operation mode thereof - Google Patents
Helicopter loading and unloading platform device and operation mode thereof Download PDFInfo
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- CN111252252B CN111252252B CN202010086246.0A CN202010086246A CN111252252B CN 111252252 B CN111252252 B CN 111252252B CN 202010086246 A CN202010086246 A CN 202010086246A CN 111252252 B CN111252252 B CN 111252252B
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- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D9/00—Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/32—Ground or aircraft-carrier-deck installations for handling freight
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Ship Loading And Unloading (AREA)
Abstract
The invention belongs to the field of cargo loading and unloading platform equipment, and particularly relates to a helicopter loading and unloading platform device and an operation mode thereof. The lifting truck comprises a tray mechanism, a lifting truck bridge, at least one section of transportation rail and a lifting trailer, wherein the tray mechanism and the lifting truck bridge are hinged together through a pin shaft, the lifting truck bridge is connected with the transportation rail through a hook and the pin shaft, two parallel rails are arranged on the tray mechanism, the lifting truck bridge and the transportation rail and are in front-back butt joint, guide wheels matched with the rails are arranged at the lower end of the lifting trailer, and the lifting trailer moves back and forth on the tray mechanism, the lifting truck bridge and the transportation rail through the guide wheels; the middle and rear sections of the lifting cargo bridge are provided with lifting support legs, and the lifting support legs realize rotary motion of the lifting cargo bridge around the hinge point at the front end through lifting motion. The invention simply and rapidly places large cargoes in the helicopter cabin on the premise of not influencing the helicopter, and has rapid loading and unloading and greatly improves the working efficiency.
Description
Technical Field
The invention belongs to the field of cargo loading and unloading platform equipment, and particularly relates to a helicopter loading and unloading platform device and an operation mode thereof.
Background
The helicopter is one of the creation of the very special features of the aviation technology in the 20 th century, and greatly expands the application range of the aircraft. The helicopter is a typical dual-purpose product for military and civil, and can be widely applied to a plurality of fields of transportation, patrol, travel, rescue and the like.
At present, helicopter cargo transportation is increasingly and widely used. However, when large-scale cargoes are transported by using a helicopter, a plug-in scheme is mostly adopted, and the plug-in is easy to swing and shake in the transportation process. Furthermore, the forward resistance of the helicopter is increased in the advancing process, the oil consumption is increased, the driving mileage is reduced, and the safety is poor.
The best solution for transporting large cargo is to load the cargo into the helicopter cabin. Large cargo is difficult to load into the helicopter cabin due to the small bearing capacity of the helicopter floor and the influence of the structure of the helicopter. At present, a large helicopter cargo loading platform is not available, so that the loading of workers is very complicated, and inconvenience is brought to the operation process.
Disclosure of Invention
In order to overcome the technical problems in the prior art, the invention aims to provide a loading and unloading platform device which can adapt to the self structure of a helicopter and enhance the bearing capacity of a helicopter bottom plate. The device has strong operation capability, convenient operation and reliable performance, and greatly promotes the development in the field.
The technical scheme adopted for solving the technical problems is as follows: the helicopter loading and unloading platform device comprises a tray mechanism, a lifting cargo bridge, at least one section of transportation rail and a lifting trailer, wherein the tray mechanism and the lifting cargo bridge are hinged together through a pin shaft, the lifting cargo bridge is connected with the transportation rail through a hook and the pin shaft, two parallel rails are arranged on the tray mechanism, the lifting cargo bridge and the transportation rail and are in front-back butt joint, guide wheels matched with the rails are arranged at the lower end of the lifting trailer, and the lifting trailer moves back and forth on the tray mechanism, the lifting cargo bridge and the transportation rail through the guide wheels; the middle and rear sections of the lifting cargo bridge are provided with lifting support legs, and the lifting support legs realize rotary motion of the lifting cargo bridge around the hinge point at the front end through lifting motion.
Further, the tray mechanism, the lifting cargo bridge and the rails on the transportation rail are conical rails and are butted together front and back; and the lower end of the lifting trailer is provided with a conical wheel matched with the conical track.
Further, the tray mechanism comprises a bracket, a track and a winch, wherein the bracket is formed by welding a plurality of cross beams and longitudinal beams, the track is arranged in the longitudinal direction of the bracket, and the winch is installed on the front end of the bracket.
Further, the winch is arranged on a pi-shaped connecting frame, the pi-shaped connecting frame is arranged on the front end of the bracket, a traction ring is arranged on the pi-shaped connecting frame, and a connecting pin is arranged at the rear end of the bracket.
Further, go up and down the goods bridge and include goods bridge skeleton, lift landing leg, goods bridge skeleton is formed by connecting a plurality of crossbeam, longeron, is equipped with the track on the longitudinal direction of goods bridge skeleton, the lift landing leg includes two landing legs, connecting plate, and two landing legs are installed at the left and right sides end of connecting plate, the connecting plate passes through the bolt and transversely fixes the lower extreme at goods bridge skeleton, and two landing legs are lift pneumatic cylinder or lift lead screw, two landing leg synchronous motion still are equipped with the triangle reinforcing plate between two landing legs and the connecting plate.
Further, the transportation track includes one section, the transportation track includes transportation skeleton, the track of vertical installation on transportation skeleton, transportation skeleton is formed by a plurality of crossbeam, longeron connection.
Further, the lifting trailer comprises a hydraulic base, a power device and a trailer framework, wherein the trailer framework is arranged on the hydraulic base, the power device is arranged at the rear end head of the hydraulic base, a first channel with a forward opening is arranged at the longitudinal axis of the hydraulic base, and a second channel which is consistent with the first channel in position is arranged on the trailer framework.
Further, a supporting rod is arranged between two parallel tracks on the tray mechanism, the supporting rod is longitudinally arranged on the cross beam, and the height of the supporting rod is greater than the lowest height of the lifting trailer on the tray mechanism.
Further, at least three supporting plates are arranged on the tray mechanism and are arranged on two sides of the bracket in a scattered mode, and the height of each supporting plate is greater than the lowest height of the lifting trailer on the tray mechanism.
Furthermore, the invention also comprises the operation modes of the helicopter loading platform device, including loading and unloading modes,
the loading mode includes: firstly, lifting a trailer to load cargoes, and driving the cargoes to move on a transportation track by a winch after loading; when the lifting trailer is positioned on the lifting cargo bridge, the lifting support legs start to work, and when the lifting cargo bridge lifts to a horizontal state with the lifting trailer, the lifting trailer is driven by the winch to enter the tray mechanism from the lifting cargo bridge; the height of the lifting trailer is reduced, so that the goods are caused to fall on the tray mechanism, and the lifting trailer is pulled out and moves to the transportation track;
the unloading mode includes: firstly, the goods are positioned on a tray mechanism, and the goods are moved to the lower part of the goods by a lifting trailer, so that the height of the lifting trailer is adjusted to lift the goods; the lifting trailer carries goods to be transported from the tray mechanism to the lifting goods bridge, and the lifting goods bridge is changed from a horizontal state to a slope state; the lifting trailer is pulled by a winch to slide down from the lifting cargo bridge and finally transported to the transportation track.
The invention has the beneficial effects of filling the blank of helicopter loading and unloading equipment and promoting the technical progress in the field. Furthermore, the invention simply and rapidly places large cargoes in the cabin of the helicopter on the premise of not influencing the helicopter, and has rapid loading and unloading and greatly improves the working efficiency. The invention has the advantages of convenient installation, simplicity and feasibility, stable operation and lower economic cost, and is suitable for industrialized replication. From the field of helicopters, the invention greatly increases the safety of cargo transportation, reduces the flight resistance of the helicopter, reduces the flight oil consumption and reduces the running cost of the helicopter.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a lifting trailer according to the present invention;
FIG. 3 is a schematic view of a tray mechanism according to the present invention;
FIG. 4 is a schematic view of a lifting cargo bridge according to the present invention;
FIG. 5 is an enlarged schematic view of a portion of a lifting bridge structure according to the present invention;
FIG. 6 is a schematic view of a transportation rail structure according to the present invention;
FIG. 7 is a schematic view of a lifting trailer of the present invention;
FIG. 8 is a schematic view of the present invention with cargo on a transportation rail;
FIG. 9 is a schematic illustration of the present invention with cargo on a lift bridge;
FIG. 10 is a schematic view of the present invention with cargo positioned on a pallet mechanism;
figure 11 is a schematic drawing of the lift truck evacuation after completion of cargo handling in accordance with the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to specific embodiments.
Example 1
As shown in fig. 1-2, the helicopter loading platform device of the present embodiment comprises a tray mechanism 1, a lifting cargo bridge 2, a transportation rail 3 and a lifting trailer 4. In general, the tray mechanism 1 and the lifting cargo bridge 2 are hinged together through a pin shaft 5 and are connected and fastened. The lifting cargo bridge 2 is connected with the transportation rail 3 through a hook and a pin shaft, so that the hook is convenient to take off the pin, and the later operation is facilitated. Furthermore, the tray mechanism 1, the lifting cargo bridge 2 and the transporting rail 3 are all provided with two parallel rails and are in butt joint together front and back, the lower end of the lifting trailer 4 is provided with guide wheels 41 matched with the rails, and the lifting trailer 4 moves back and forth on the tray mechanism 1, the lifting cargo bridge 2 and the transporting rail 3 through the guide wheels 41, so that the transportation of cargoes is realized. Since the tray mechanism 1 is installed in the helicopter cabin 6, a certain height exists, and the transportation rail 3 is paved on the ground, so that a certain inclination exists on the lifting cargo bridge 2, and the movement of the cargo on the lifting cargo bridge is blocked. To this problem, be equipped with lift landing leg 21 in the well rear section of lift cargo bridge 2, lift landing leg 21 realizes through lifting motion that lift cargo bridge 2 is rotary motion around the pin joint of front end, can make lift cargo bridge 2 reach the horizontal effect, realizes that the transportation of goods is stable and smooth and easy.
The above-described tray mechanism 1 will be described in detail below:
as shown in fig. 3, the tray mechanism 1 includes a bracket 11, a first rail 12, and a winch 13. The middle bracket 11 is formed by welding a plurality of cross beams and longitudinal beams, and two parallel rails I12 are laid in the longitudinal direction of the bracket 11 and are matched with the guide wheels 41 of the lifting trailer 4 to play a guiding role.
In order to facilitate the output of power, a winch 13 is mounted on the front end of the n-shaped connecting frame 14 for towing the lifting trailer 4 to load and unload goods. The n-shaped connecting frame 14 is arranged on the front end of the bracket 11, the n-shaped connecting frame 14 is provided with a traction ring 141, and the traction ring 141 is welded on two sides of the n-shaped connecting frame 14, so as to be convenient for being tethered and fixed with the helicopter cabin 6. The rear end of the bracket 11 is provided with a connecting pin which is convenient for connecting with the lifting cargo bridge 2.
In order to realize that the goods smoothly fall on the bracket 11, a supporting rod 15 is arranged between two parallel rails I on the tray mechanism 1, the supporting rod 15 is longitudinally arranged on the cross beam, the height of the supporting rod 15 is greater than the lowest height of the lifting trailer 4 on the tray mechanism, the height of the lifting trailer 4 can be ensured to be reduced, the goods fall on the tray mechanism 1, and the lifting trailer 4 is pulled out. Furthermore, four support plates 16 are provided on both sides of the carriage 11, the height of the support plates 16 > the lowest height of the lifting trailer on the pallet mechanism, and the height of the lifting trailer 4 is also ensured to be reduced, so that the goods fall on the pallet mechanism 1 and the lifting trailer 4 is pulled out.
The tray mechanism 1 is positioned in the cabin of the helicopter, so that cargo can be loaded and unloaded, and the cargo can be transported out or in.
As shown in fig. 4-5, the lifting cargo bridge 2 comprises a cargo bridge framework 21 and lifting support legs 22, wherein the cargo bridge framework 21 is formed by connecting a plurality of cross beams and longitudinal beams. A second rail 23 is laid in the longitudinal direction of the bridge frame 21, and the second rail 23 is butted with the first rail 12 so as to facilitate the movement of the lifting trailer 4. The lifting support leg 22 comprises two support legs 221 and a connecting plate 222, the two support legs 221 are arranged at the left end and the right end of the connecting plate 222, the connecting plate 222 is transversely fixed at the lower end of the cargo bridge framework 21 through bolts, and the two support legs 221 are lifting hydraulic cylinders and synchronously move. In order to achieve the stabilizing effect, a triangular reinforcing plate 223 is further arranged between the two supporting legs 221 and the connecting plate 222, so that the reinforcing is facilitated. The cargo bridge framework 21 and the lifting support legs 22 are detachable structures, so that the cargo bridge framework is convenient to install and carry.
As shown in fig. 6, the transportation rail 3 comprises a section, the transportation rail 3 comprises a transportation framework 31 and a rail III 32 longitudinally paved on the transportation framework, and the transportation framework 31 is formed by connecting a plurality of cross beams and longitudinal beams. A pin is arranged at the front end of the transportation framework 31, so that the transportation framework is convenient to hang on a hook of the lifting cargo bridge 2.
In the embodiment, the first rail 12, the second rail 23 and the third rail 32 are conical rails and are butted together front and back; the guide wheel 41 is a conical wheel matching the conical track. The track and the guide wheel can be conical or other structures, so long as the guide can be ensured.
As shown in fig. 7, the lifting trailer 4 comprises a hydraulic base 42, a power device 43 and a trailer skeleton 44, and the principle of the lifting trailer 4 is identical to that of a manual hydraulic carrier, and the lifting trailer has a similar structure. The trailer framework 44 is mounted on the hydraulic base 42, the power device 43 is mounted at the rear end of the hydraulic base 42, hydraulic power is provided by the power device 43 to drive the hydraulic base to lift, and the trailer framework 44 is convenient for carrying goods.
The longitudinal axis of the hydraulic base 42 is provided with a first channel b with a forward opening, the trailer framework 44 is provided with a second channel a with the same position as the first channel b, and the first channel b and the second channel a are convenient to penetrate into the tray mechanism 1. Four groups of guide wheels 41 are arranged on the lower end face of the lifting trailer 4 and are matched with the first rail 12, the second rail 23 and the third rail 32, so that a guide effect is achieved in the cargo moving process.
When goods are to be loaded and unloaded, the tray mechanism 1, the lifting goods bridge 2 and the transportation rail 3 are connected together through the pin shafts, the pin holes and the hooks to form a loading and unloading platform. Simultaneously, the tray mechanism 1 and the helicopter cabin 6 are firmly fixed together through the traction ring 141.
As shown in fig. 8, in a first step, the lifting trailer 4 and the goods 7 are placed on the transportation rail 3, and four sets of guide wheels 41 are placed in the third rail 32 to perform a guiding function during the goods transportation and loading/unloading process.
As shown in fig. 9, in a second step, when the cargo is pulled to the lifting bridge 2, the lifting leg 22 is manipulated to move the lifting bridge 2 slowly in rotation to the level of the pallet mechanism 1. In the above process, the winch 13 always pulls the lifting trailer 4 to move toward the tray mechanism 1.
As shown in fig. 10, in the third step, the lifting trailer 4 is continuously pulled to move toward the pallet mechanism 1, and when the lifting trailer 4 reaches the designated position of the pallet mechanism 1, the lifting trailer 4 is manipulated to drop the cargo onto the pallet mechanism 1.
As shown in fig. 11, the lifting trailer 4 is withdrawn from between the pallet mechanism 1 and the cargo 7. Finally, the tray mechanism 1, the lifting cargo bridge 2 and the transportation rail 3 are detached one by one and separated from the tray mechanism 1, and then the cargo 7 is fixed with the tray mechanism 1 to finish loading.
Example 2
The operation modes of the helicopter loading platform device comprise loading and unloading modes,
the loading mode includes: firstly, lifting a trailer to load cargoes, and driving the cargoes to move on a transportation track by a winch after loading; when the lifting trailer is positioned on the lifting cargo bridge, the lifting support legs start to work, and when the lifting cargo bridge lifts to a horizontal state with the lifting trailer, the lifting trailer is driven by the winch to enter the tray mechanism from the lifting cargo bridge; the height of the lifting trailer is reduced, so that the goods are caused to fall on the tray mechanism, and the lifting trailer is pulled out and moves to the transportation track;
the unloading mode includes: firstly, the goods are positioned on a tray mechanism, and the goods are moved to the lower part of the goods by a lifting trailer, so that the height of the lifting trailer is adjusted to lift the goods; the lifting trailer carries goods to be transported from the tray mechanism to the lifting goods bridge, and the lifting goods bridge is changed from a horizontal state to a slope state; the lifting trailer is pulled by a winch to slide down from the lifting cargo bridge and finally transported to the transportation track.
In summary, the present embodiment reduces the pressure exerted on the cellular aluminum floor of the helicopter by adding the tray mechanism 1 between the helicopter cabin and the cargo 7 to distribute the cargo pressure. Moreover, the lifting trailer plays a guiding role through the mutual matching between the guide wheels (conical wheels) and the rails (conical surfaces) in the movement, and can also travel along a straight line in other modes. The lifting cargo bridge can be integral or split, and split can be convenient to carry.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Helicopter loading dock apparatus, including at least one section transportation track, its characterized in that: the lifting truck comprises a tray mechanism, a lifting truck and a lifting trailer, wherein the tray mechanism and the lifting truck are hinged together through a pin shaft, the lifting truck is connected with a transportation rail through a hook and the pin shaft, two parallel rails are arranged on the tray mechanism, the lifting truck and the transportation rail and are in butt joint front and back, guide wheels matched with the rails are arranged at the lower end of the lifting trailer, and the lifting trailer moves back and forth on the tray mechanism, the lifting truck and the transportation rail through the guide wheels; the middle and rear sections of the lifting cargo bridge are provided with lifting support legs, and the lifting support legs realize the rotation movement of the lifting cargo bridge around the hinge point at the front end through lifting movement;
the operation mode of the helicopter loading platform device is included, and the helicopter loading platform device is characterized in that: comprising two modes of loading and unloading,
the loading mode includes: firstly, lifting a trailer to load cargoes, and driving the cargoes to move on a transportation track by a winch after loading; when the lifting trailer is positioned on the lifting cargo bridge, the lifting support legs start to work, and when the lifting cargo bridge lifts to a horizontal state with the lifting trailer, the lifting trailer is driven by the winch to enter the tray mechanism from the lifting cargo bridge; the height of the lifting trailer is reduced, so that the goods are caused to fall on the tray mechanism, and the lifting trailer is pulled out and moves to the transportation track;
the unloading mode includes: firstly, the goods are positioned on a tray mechanism, and the goods are moved to the lower part of the goods by a lifting trailer, so that the height of the lifting trailer is adjusted to lift the goods; the lifting trailer carries goods to be transported from the tray mechanism to the lifting goods bridge, and the lifting goods bridge is changed from a horizontal state to a slope state; the lifting trailer is pulled by a winch to slide down from the lifting cargo bridge and finally transported to the transportation track.
2. The helicopter loading dock apparatus of claim 1, wherein: the tray mechanism, the lifting cargo bridge and the rails on the transportation rail are conical rails and are butted together front and back; and the lower end of the lifting trailer is provided with a conical wheel matched with the conical track.
3. A helicopter landing gear as claimed in claim 1 or claim 2 wherein: the tray mechanism comprises a bracket, a track and a winch, wherein the bracket is formed by welding a plurality of cross beams and longitudinal beams, the track is arranged in the longitudinal direction of the bracket, and the winch is arranged on the front end of the bracket.
4. A helicopter landing gear as claimed in claim 3 wherein: the winch is arranged on a pi-shaped connecting frame, the pi-shaped connecting frame is arranged on the front end of the bracket, a traction ring is arranged on the pi-shaped connecting frame, and a connecting pin is arranged at the rear end of the bracket.
5. A helicopter landing gear as claimed in claim 1 or claim 2 wherein: the lifting cargo bridge comprises a cargo bridge framework and lifting support legs, wherein the cargo bridge framework is formed by connecting a plurality of cross beams and longitudinal beams, a track is arranged on the longitudinal direction of the cargo bridge framework, the lifting support legs comprise two support legs and a connecting plate, the two support legs are arranged at the left end and the right end of the connecting plate, the connecting plate is transversely fixed at the lower end of the cargo bridge framework through bolts, the two support legs are lifting hydraulic cylinders or lifting screw rods, the two support legs synchronously move, and a triangular reinforcing plate is further arranged between the two support legs and the connecting plate.
6. A helicopter landing gear as claimed in claim 1 or claim 2 wherein: the transportation track comprises a section, the transportation track comprises a transportation framework and a track longitudinally arranged on the transportation framework, and the transportation framework is formed by connecting a plurality of cross beams and longitudinal beams.
7. A helicopter landing gear as claimed in claim 1 or claim 2 wherein: the lifting trailer comprises a hydraulic base, a power device and a trailer framework, wherein the trailer framework is arranged on the hydraulic base, the power device is arranged at the rear end head of the hydraulic base, a first passage with a forward opening is arranged at the longitudinal axis of the hydraulic base, and a second passage with a position consistent with the first passage is arranged on the trailer framework.
8. A helicopter landing gear as claimed in claim 3 wherein: a supporting rod is arranged between two parallel tracks on the tray mechanism, the supporting rod is longitudinally arranged on the cross beam, and the height of the supporting rod is greater than the lowest height of the lifting trailer on the tray mechanism.
9. A helicopter landing gear as claimed in claim 3 wherein: the tray mechanism is provided with at least three supporting plates, the supporting plates are arranged on two sides of the bracket in a scattered mode, and the height of each supporting plate is greater than the lowest height of the lifting trailer on the tray mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010086246.0A CN111252252B (en) | 2020-02-11 | 2020-02-11 | Helicopter loading and unloading platform device and operation mode thereof |
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| CN202010086246.0A CN111252252B (en) | 2020-02-11 | 2020-02-11 | Helicopter loading and unloading platform device and operation mode thereof |
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| CN112660189B (en) * | 2020-12-30 | 2022-04-19 | 燕山大学 | Variable track transport vehicle for prefabricated wall panels |
| CN114919750B (en) * | 2022-06-28 | 2023-04-18 | 中国人民解放军火箭军工程设计研究院 | Heavy cargo ground idling carrying and transporting system applied to helicopter |
| CN114906329B (en) * | 2022-06-28 | 2023-04-18 | 中国人民解放军火箭军工程设计研究院 | Traction type heavy material loading, unloading and transportation guarantee system applied to helicopter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733633A (en) * | 2018-12-29 | 2019-05-10 | 中国重汽集团青岛重工有限公司 | Six degree of freedom loading/unloading platform vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09301690A (en) * | 1996-05-09 | 1997-11-25 | Mitsubishi Heavy Ind Ltd | Cargo carrying-in-and-out apparatus |
| RU2184052C2 (en) * | 1999-10-08 | 2002-06-27 | Закрытое акционерное общество "Авиакомпания Волга-Днепр" | Method of craneless deplaning, transportation and transfer of large-sized articles and articles of large mass and device for its embodiment |
| US20050226706A1 (en) * | 2004-02-17 | 2005-10-13 | Thomas James A | Cargo handling system |
| US8006935B2 (en) * | 2007-03-06 | 2011-08-30 | The Boeing Company | Channel slide cargo handling system and method |
| CN108750098A (en) * | 2018-05-31 | 2018-11-06 | 江苏常探机器人有限公司 | Single screw folding composite wing cargo aircraft after a kind of |
| CN211810261U (en) * | 2020-02-11 | 2020-10-30 | 中国重汽集团青岛重工有限公司 | Helicopter loading and unloading platform device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109733633A (en) * | 2018-12-29 | 2019-05-10 | 中国重汽集团青岛重工有限公司 | Six degree of freedom loading/unloading platform vehicle |
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