CN211810261U - Helicopter loading and unloading platform device - Google Patents
Helicopter loading and unloading platform device Download PDFInfo
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- CN211810261U CN211810261U CN202020160593.9U CN202020160593U CN211810261U CN 211810261 U CN211810261 U CN 211810261U CN 202020160593 U CN202020160593 U CN 202020160593U CN 211810261 U CN211810261 U CN 211810261U
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Abstract
The utility model belongs to cargo handling platform equipment field, concretely relates to helicopter loading platform device. The lifting cargo bridge is connected with the transportation track through a hook and is provided with two parallel tracks which are butted together front and back, the lower end of the lifting trailer is provided with guide wheels matched with the tracks, and the lifting trailer moves back and forth on the tray mechanism, the lifting cargo bridge and the transportation track 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 that the lifting cargo bridge rotates around a hinge point at the front end through lifting movement. The utility model discloses under the prerequisite that does not influence the helicopter, simple quick places large-scale goods in the helicopter under the cabin, and loading and unloading are quick, improve work efficiency greatly.
Description
Technical Field
The utility model belongs to cargo handling platform equipment field, concretely relates to helicopter loading platform device.
Background
The helicopter is one of the unique creations of 20 th century aviation technology, and the application range of the aircraft is greatly expanded. The helicopter is a typical dual-purpose product for military and civilian use, and can be widely applied to multiple fields of transportation, patrol, travel, rescue and the like.
At present, helicopters are increasingly widely used for transporting goods. However, most of the helicopter adopts a plug-in scheme when transporting large goods, and the plug-in easily swings and shakes during transportation. Moreover, 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. Due to the small bearing capacity of the helicopter floor and the influence of the structure of the helicopter, large goods are difficult to load in the helicopter cabin. At present, a large helicopter cargo loading and unloading platform is not available temporarily, the loading of workers is very complicated, and inconvenience is brought to the operation process.
Disclosure of Invention
In order to overcome the above-mentioned technical problem that exists in the prior art field, the utility model aims to provide a can adapt to helicopter self structure, reinforcing helicopter bottom plate bearing capacity's loading platform device. The device has strong operation capability, convenient operation and reliable performance, and greatly promotes the development of the field.
The utility model provides a technical scheme that its technical problem adopted is: the helicopter loading and unloading platform device comprises a tray mechanism, a lifting cargo bridge, at least one section of transportation track and a lifting trailer, wherein the tray mechanism and the lifting cargo bridge are hinged together through a pin shaft, the lifting cargo bridge and the transportation track are connected together through a hook and the pin shaft, the tray mechanism, the lifting cargo bridge and the transportation track are respectively provided with two parallel tracks which are butted together front and back, the lower end of the lifting trailer is provided with a guide wheel matched with the tracks, and the lifting trailer moves back and forth on the tray mechanism, the lifting cargo bridge and the transportation track 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 motion of the lifting cargo bridge around a hinge point at the front end through the lifting motion;
the lift goods bridge includes 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 both ends head about the connecting plate is installed to two landing legs, the connecting plate passes through bolt horizontal fixation at the lower extreme of goods bridge skeleton, and two landing legs lift pneumatic cylinder or lifting screw, two landing leg synchronous motion still are equipped with the triangle gusset plate between two landing legs and the connecting plate.
Furthermore, the tracks on the tray mechanism, the lifting cargo bridge and the transportation track are all conical tracks and are butted together in front and back; the lower end of the lifting trailer is provided with a cone-shaped wheel matched with the cone-shaped track.
Further, tray mechanism includes bracket, track, capstan winch, the bracket is formed by a plurality of crossbeam and longeron welding, be equipped with the track on the longitudinal direction of bracket, the capstan winch is installed on the front end of bracket.
Further, the winch is installed on the n-shaped connecting frame, the n-shaped connecting frame is installed on the front end head of the bracket, a traction ring is arranged on the n-shaped connecting frame, and a connecting pin is arranged at the rear end of the bracket.
Further, the transportation track includes a festival, the transportation track includes transportation skeleton, vertically installs the track on the transportation skeleton, the transportation skeleton is formed by connecting a plurality of crossbeam, longeron.
Further, lift trailer includes hydraulic pressure base, power device, trailer skeleton, the trailer skeleton is installed on hydraulic pressure base, power device installs the back end at hydraulic pressure base, the vertical axle center department of hydraulic pressure base is equipped with the passageway one that the opening is preceding, be equipped with the passageway two unanimous with passageway one position on the trailer skeleton.
Furthermore, a support rod is arranged between two parallel rails on the tray mechanism, the support rod is longitudinally arranged on the cross beam, and the height of the support rod is greater than the lowest height of the lifting trailer on the tray mechanism.
Furthermore, the tray mechanism is provided with at least three supporting discs, the supporting discs are dispersedly arranged on two sides of the bracket, and the height of each supporting disc is greater than the lowest height of the lifting trailer on the tray mechanism.
Furthermore, the utility model also comprises the operation modes of the helicopter loading platform device, which comprise a loading mode and an unloading mode,
the loading mode includes: firstly, lifting a trailer to load goods, and driving the trailer to move on a transportation rail by a winch after the goods are loaded; when the lifting trailer is positioned on the lifting cargo bridge, the lifting support legs start to work, and when the lifting cargo bridge drives the lifting trailer to be lifted to a horizontal state, 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 fall on the tray mechanism, and the lifting trailer is pulled out and moves to the transportation rail;
the unloading mode includes: firstly, the goods are positioned on a tray mechanism and are moved to the lower part of the goods by a lifting trailer, and the height of the lifting trailer is adjusted to lift the goods; the lifting trailer carries goods and is conveyed to a lifting goods bridge from the tray mechanism, and the lifting goods bridge is changed into a slope state from a horizontal state; the lifting trailer is pulled by a winch to slide down from the lifting cargo bridge and finally transported to a transportation rail.
The beneficial effects of the utility model reside in that, filled helicopter handling equipment's blank, promoted the technical progress in this field. Furthermore, the utility model discloses under the prerequisite that does not influence the helicopter, simple quick places large-scale goods in the helicopter under the cabin, and loading and unloading are quick, improve work efficiency greatly. The utility model discloses beneficial effect still lies in simple to operate, simple and easy, the operation is firm, economic cost is lower, is fit for the industrialization and duplicates. From the helicopter field, the utility model discloses greatly increased the security of freight, reduced the flight resistance of helicopter, reduced the flight oil consumption, reduced the running cost of helicopter.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the lifting trailer of the utility model;
FIG. 3 is a schematic structural view of the tray mechanism of the present invention;
FIG. 4 is a schematic view of the lifting cargo bridge of the present invention;
FIG. 5 is a partially enlarged schematic view of the elevating cargo bridge structure of the present invention;
FIG. 6 is a schematic view of the structure of the transportation rail of the present invention;
fig. 7 is a schematic structural view of the lifting trailer of the present invention;
fig. 8 is a schematic view of the cargo of the present invention on the transportation rail;
fig. 9 is a schematic view of the cargo on the lifting cargo bridge of the present invention;
fig. 10 is a schematic view of the cargo of the present invention on the tray mechanism;
figure 11 is the utility model discloses the lift trailer schematic diagram of withdrawing from after goods handling accomplishes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments.
Example 1
As shown in fig. 1-2, the loading platform device for helicopter of this embodiment includes a pallet mechanism 1, a lifting cargo bridge 2, a transportation rail 3, and a lifting trailer 4. Generally, the tray mechanism 1 and the lifting cargo bridge 2 are hinged together through a pin 5 and are connected and fastened. And lift goods bridge 2 and transportation track 3 are in the same place through couple and round pin hub connection, and the couple of being convenient for is out of stock, does benefit to the later stage operation. Moreover, all be equipped with the track of twice parallel and all dock all together front and back on tray mechanism 1, lift freight bridge 2, the transportation track 3, the lower extreme of lift trailer 4 be equipped with track assorted leading wheel 41, lift trailer 4 through leading wheel 41 on tray mechanism 1, lift freight bridge 2, the back and forth movement of transportation track 3, realize the transportation of goods. Because tray mechanism 1 installs in helicopter storehouse 6, has certain height, and transportation track 3 is laid on ground, leads to lift goods bridge 2 to have certain inclination, and the motion of goods at lift goods bridge is obstructed. To this problem, be equipped with lift landing leg 21 at the well back end of lift goods bridge 2, lift landing leg 21 realizes through the lifting motion that lift goods bridge 2 is rotary motion around the pin joint of front end, can make lift goods bridge 2 reach the level effect, realizes that the transportation of goods is stable and smooth and easy.
With respect to the above-described tray mechanism 1, it 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, 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 role in guiding.
In order to facilitate the output of power, a winch 13 is mounted on the front end of the n-shaped connecting frame 14 and is used for towing the lifting trailer 4 to load and unload goods. The pi-shaped connecting frame 14 is mounted on the front end of the bracket 11, a traction ring 141 is arranged on the pi-shaped connecting frame 14, and the traction ring 141 is welded on two sides of the pi-shaped connecting frame 14 and is convenient to be moored and fixed with the helicopter cabin 6. The rear end of the bracket 11 is provided with a connecting pin, which is convenient for being connected with the lifting cargo bridge 2.
For realizing that the goods falls on bracket 11 smoothly, be equipped with bracing piece 15 between the first two parallel rails on tray mechanism 1, bracing piece 15 vertically installs on the crossbeam, and the height of bracing piece 15 > is located the minimum height of the lift trailer 4 on the tray mechanism, can guarantee the high reduction of lift trailer 4 above, makes the goods fall on tray mechanism 1, and lift trailer 4 pulls out. Furthermore, four support plates 16 are arranged on two sides of the bracket 11, the height of the support plates 16 is larger than the lowest height of the lifting trailer on the tray mechanism, and the height of the lifting trailer 4 is also ensured to be reduced, so that the goods fall on the tray mechanism 1, and the lifting trailer 4 is pulled out.
The tray mechanism 1 is positioned in the helicopter cabin, and loading, unloading, transporting out or transporting in of goods are realized.
As shown in fig. 4-5, the lifting cargo bridge 2 includes a cargo bridge framework 21 and lifting legs 22, and the cargo bridge framework 21 is formed by connecting a plurality of cross beams and longitudinal beams. And a second rail 23 is laid in the longitudinal direction of the cargo bridge framework 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 legs 22 comprise two support legs 221 and a connecting plate 222, the two support legs 221 are mounted 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 perform synchronous movement. In order to realize the stabilizing effect, a triangular reinforcing plate 223 is further arranged between the two support legs 221 and the connecting plate 222, so that the reinforcement is facilitated. The cargo bridge framework 21 and the lifting support legs 22 are of detachable structures, so that the cargo bridge framework is convenient to mount and carry.
As shown in fig. 6, the transportation rail 3 includes a section, the transportation rail 3 includes a transportation frame 31 and a rail third 32 longitudinally laid on the transportation frame, and the transportation frame 31 is formed by connecting a plurality of cross beams and longitudinal beams. The front end of the transportation framework 31 is provided with a pin shaft which 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 all conical rails and are butted together front and back; the guide wheels 41 are tapered wheels that match the tapered tracks. The track and the guide wheel can be in a conical shape or other structures as long as the guide can be ensured.
As shown in fig. 7, the lift trailer 4 comprises a hydraulic base 42, a power device 43 and a trailer framework 44, and the principle of the lift trailer 4 is consistent with that of a manual hydraulic truck, and the structure of the lift trailer is similar. Trailer skeleton 44 installs on hydraulic base 42, power device 43 installs the rear end at hydraulic base 42, provides hydraulic power by power device 43 and drives hydraulic base's lift, and trailer skeleton 44 is convenient for bear the weight of the goods.
A first channel b with a forward opening is arranged at the longitudinal axis of the hydraulic base 42, a second channel a with the same position as the first channel b is arranged on the trailer framework 44, 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, and a guiding effect is achieved in the moving process of goods.
When goods are loaded and unloaded, the tray mechanism 1, the lifting goods bridge 2 and the transportation track 3 are connected together through the pin shafts, the pin holes and the hooks to form a loading and unloading platform. While the tray mechanism 1 and the helicopter cabin 6 are firmly fixed together by the towing ring 141.
As shown in fig. 8, in the first step, the lift trailer 4 and the goods 7 are firstly placed on the transportation rail 3, and then four sets of guide wheels 41 are placed in the rail three 32 to play a role of guiding during the transportation, loading and unloading of the goods.
In a second step, as shown in fig. 9, when the goods are pulled to the lifting cargo bridge 2, the lifting legs 22 are operated to slowly rotate and move the lifting cargo bridge 2 to be horizontal to the pallet mechanism 1. In the above process, the winch 13 always pulls the lift trailer 4 to move towards the pallet mechanism 1.
In the third step, as shown in fig. 10, the lifting trailer 4 is pulled to move towards the pallet mechanism 1, and when the lifting trailer 4 reaches the specified position of the pallet mechanism 1, the lifting trailer 4 is operated to drop the goods on the pallet mechanism 1.
The lift trailer 4 is withdrawn from between the pallet mechanism 1 and the load 7 as shown in figure 11. And 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 platform assembly comprising the above-mentioned helicopter platform assembly include two modes of loading and unloading,
the loading mode includes: firstly, lifting a trailer to load goods, and driving the trailer to move on a transportation rail by a winch after the goods are loaded; when the lifting trailer is positioned on the lifting cargo bridge, the lifting support legs start to work, and when the lifting cargo bridge drives the lifting trailer to be lifted to a horizontal state, 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 fall on the tray mechanism, and the lifting trailer is pulled out and moves to the transportation rail;
the unloading mode includes: firstly, the goods are positioned on a tray mechanism and are moved to the lower part of the goods by a lifting trailer, and the height of the lifting trailer is adjusted to lift the goods; the lifting trailer carries goods and is conveyed to a lifting goods bridge from the tray mechanism, and the lifting goods bridge is changed into a slope state from a horizontal state; the lifting trailer is pulled by a winch to slide down from the lifting cargo bridge and finally transported to a transportation rail.
In conclusion, the embodiment disperses the cargo pressure by adding the tray mechanism 1 between the helicopter cabin and the cargo 7, and reduces the pressure applied to the helicopter honeycomb aluminum floor. Moreover, the lift trailer plays the guide effect through the mutually supporting between leading wheel (cone pulley) and track (conical surface) in the motion, also can be through other modes, can guarantee that the lift trailer is along straight line walking can. The utility model discloses lift goods bridge can be integral or split type, and split type can be convenient for carry.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. Helicopter loading platform device, including an at least section transportation track, its characterized in that: the lifting trailer is characterized by further comprising a tray mechanism, a lifting cargo bridge and a lifting trailer, wherein the tray mechanism and the lifting cargo bridge are hinged together through a pin shaft, the lifting cargo bridge and the transportation rail are connected together through a hook and a pin shaft, two parallel rails are arranged on the tray mechanism, the lifting cargo bridge and the transportation rail and are butted together 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 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 the rotation motion of the lifting cargo bridge around a hinge point at the front end through the lifting motion;
the lift goods bridge includes 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 both ends head about the connecting plate is installed to two landing legs, the connecting plate passes through bolt horizontal fixation at the lower extreme of goods bridge skeleton, and two landing legs lift pneumatic cylinder or lifting screw, two landing leg synchronous motion still are equipped with the triangle gusset plate between two landing legs and the connecting plate.
2. A helicopter loading dock apparatus according to claim 1, wherein: the tracks on the tray mechanism, the lifting cargo bridge and the transportation track are all conical tracks and are butted together front and back; the lower end of the lifting trailer is provided with a cone-shaped wheel matched with the cone-shaped track.
3. A helicopter loading dock apparatus according to claim 1 or 2, wherein: the tray mechanism comprises a bracket, a rail and a winch, the bracket is formed by welding a plurality of cross beams and longitudinal beams, the rail is arranged in the longitudinal direction of the bracket, and the winch is installed at the front end of the bracket.
4. A helicopter loading dock apparatus according to claim 3, wherein: the winch is installed on the n-shaped connecting frame, the n-shaped connecting frame is installed on the front end head of the bracket, a traction ring is arranged on the n-shaped connecting frame, and a connecting pin is arranged at the rear end of the bracket.
5. A helicopter loading dock apparatus according to claim 1 or 2, wherein: the transportation track includes a lesson, the transportation track includes transportation skeleton, vertically installs the track on the transportation skeleton, the transportation skeleton is formed by connecting a plurality of crossbeam, longeron.
6. A helicopter loading dock apparatus according to claim 1 or 2, wherein: the lifting trailer comprises a hydraulic base, a power device and a trailer framework, wherein the trailer framework is installed on the hydraulic base, the power device is installed at the rear end 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 with a position consistent with that of the first channel is arranged on the trailer framework.
7. A helicopter loading dock apparatus according to claim 3, wherein: the support rod is arranged between two parallel rails on the tray mechanism and is longitudinally arranged on the cross beam, and the height of the support rod is greater than the lowest height of the lifting trailer on the tray mechanism.
8. A helicopter loading dock apparatus according to claim 3, wherein: the tray mechanism is provided with at least three supporting discs, the supporting discs are dispersedly installed on two sides of the bracket, and the height of each supporting disc is larger than the lowest height of the lifting trailer on the tray mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160593.9U CN211810261U (en) | 2020-02-11 | 2020-02-11 | Helicopter loading and unloading platform device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160593.9U CN211810261U (en) | 2020-02-11 | 2020-02-11 | Helicopter loading and unloading platform device |
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| CN211810261U true CN211810261U (en) | 2020-10-30 |
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| CN202020160593.9U Active CN211810261U (en) | 2020-02-11 | 2020-02-11 | Helicopter loading and unloading platform device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252252A (en) * | 2020-02-11 | 2020-06-09 | 中国重汽集团青岛重工有限公司 | Helicopter loading platform device and operation mode thereof |
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- 2020-02-11 CN CN202020160593.9U patent/CN211810261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252252A (en) * | 2020-02-11 | 2020-06-09 | 中国重汽集团青岛重工有限公司 | Helicopter loading platform device and operation mode thereof |
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