CN112693384B - Device and method for fixing heavy unmanned helicopter in vehicle compartment - Google Patents
Device and method for fixing heavy unmanned helicopter in vehicle compartment Download PDFInfo
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- CN112693384B CN112693384B CN202110215543.5A CN202110215543A CN112693384B CN 112693384 B CN112693384 B CN 112693384B CN 202110215543 A CN202110215543 A CN 202110215543A CN 112693384 B CN112693384 B CN 112693384B
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- unmanned helicopter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/06—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying vehicles
- B60P3/11—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying vehicles for carrying aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
- B60P1/4471—General means for controlling movements of the loading platform, e.g. hydraulic systems
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- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
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Abstract
The invention discloses a carriage heavy unmanned helicopter fixing device which comprises a low platform trailer, a heavy unmanned helicopter locking device and a low platform trailer locking device, wherein two pairs of parallel wheels of the low platform trailer are respectively supported in corresponding wheel grooves of a frame, and the lower edges of the parallel wheels are abutted against the bottoms of groove-shaped guide rails of a carriage floor. The unmanned helicopter locking devices are respectively arranged on the two longitudinal sides of the low-platform trailer, and the low-platform trailer locking devices are respectively arranged at the front end and the rear end of the low-platform trailer and at the positions corresponding to the floor of the carriage. The method comprises the steps of 1) fixing a heavy unmanned helicopter on a low platform trailer, and 2) moving the low platform trailer into a carriage and then fixing the low platform trailer on the floor of the carriage. The invention has compact structure and reliable locking, and ensures the running safety of the loaded heavy unmanned helicopter van. The locking and unlocking can be operated by bare hands, so that the operation speed of the invention is further increased, and the operation convenience is improved.
Description
Technical Field
The invention relates to a fixing device of an unmanned helicopter, in particular to a device and a method for fixing the unmanned helicopter in a carriage of a van vehicle, and belongs to the technical field of comprehensive guarantee of unmanned helicopters.
Background
At present, unmanned aerial vehicles are increasingly widely applied in various fields such as forest protection, petroleum pipeline inspection, geological investigation and the like, and along with continuous improvement of the cruising and airborne capacity of the unmanned aerial vehicle and continuous expansion and perfection of functions of the unmanned aerial vehicle, the volume and the weight of the unmanned aerial vehicle are increased, and if the mass of a heavy unmanned helicopter is greater than 300kg, new requirements are put forward for the security tasks such as transition transportation and the like of the unmanned aerial vehicle.
Before the heavy unmanned helicopter is transported on the road, the heavy unmanned helicopter usually slides into the carriage of the van by the landing gear of the heavy unmanned helicopter, and the landing gear of the heavy unmanned helicopter is locked by a locking device, so that the transportation safety is ensured. However, due to the limited size of the interior of the carriage, when the heavy unmanned helicopter slides in the carriage, the heavy unmanned helicopter is likely to collide with the carriage wall to cause damage to the body, and the risk is high. The manual alignment of the appointed parking position of the heavy unmanned helicopter is inconvenient, and the landing gear of the heavy unmanned helicopter is locked by a special tool, so that the locking process is complicated. In addition, because the landing gear bears larger impact load when the heavy unmanned helicopter falls to the ground, the landing gear on two sides of the heavy unmanned helicopter must be subjected to plastic deformation after long-term use, so that the transverse span of the lower part of the landing gear is increased, and the transverse distance of the existing landing gear locking device cannot be changed, so that the landing gear cannot be locked.
Disclosure of Invention
The invention aims to provide a device for fixing a heavy unmanned helicopter in a carriage, which is compact in structure, convenient to use and capable of locking the heavy unmanned helicopter after a landing gear is plastically deformed.
The invention is realized by the following technical scheme:
A heavy unmanned helicopter fixing device in a carriage comprises a low flat trailer, a heavy unmanned helicopter locking device and a low flat trailer locking device, wherein a frame of the low flat trailer is a rectangular steel structure formed by welding rectangular steel pipes, the low flat trailer comprises longitudinal beams at two longitudinal sides of the frame, transverse beams at two transverse ends of the frame, a plurality of longitudinal rods and transverse rods which are arranged at intervals in the frame and fixedly welded together, symmetrical wheel grooves are respectively arranged at the longitudinal ends of the frame, two pairs of parallel wheels which are arranged at intervals are respectively supported in the corresponding wheel grooves through wheel shafts, the low flat trailer with the installation height lower than that of the parallel wheels is formed, a pair of sunken guide rail grooves are formed at two sides of the longitudinal center line of a carriage floor, grooved guide rails with flanging at two sides are respectively fixed in the guide rail grooves, the lower edges of the parallel wheels are abutted against the bottoms of the grooved guide rails, the unmanned helicopter locking device is respectively arranged on extensible undercarriage supporting platforms at two longitudinal sides of the low flat trailer, and the low flat trailer locking device is respectively arranged at the front end and the rear end of the low flat trailer and at the positions corresponding to the carriage floor.
The object of the present invention can be further achieved by the following technical means.
Further, the two longitudinal sides of the frame are respectively provided with an extensible undercarriage supporting platform, the extensible undercarriage supporting platform comprises a longitudinal supporting rod and a plurality of telescopic sleeve beams, one ends of the telescopic sleeve beams arranged at intervals are vertically and fixedly welded with the longitudinal supporting rod, the other ends of the telescopic sleeve beams extend into longitudinal beams on the two sides of the frame respectively and are locked by screws, the upper side of the longitudinal supporting rod is provided with a V-shaped guide groove for supporting the undercarriage of the heavy unmanned helicopter, and the length of the V-shaped guide groove is matched with the length of a lower rod of the undercarriage of the heavy unmanned helicopter.
Further, detachable handrails are respectively arranged at four corners of the frame, the lower ends of the detachable handrails are respectively inserted into corresponding sleeves on the cross beams, and the lower ends of the detachable handrails are locked in the corresponding sleeves through elastic cross bolts.
The heavy unmanned helicopter locking device comprises a vertical support rod, an upper pressing block, a wear-resistant backing plate and a tensioning handle, wherein the vertical support rod is arranged at two ends of a lower rod at two sides of a landing gear of the heavy unmanned helicopter, the vertical support rod is provided with a hinge seat, an upper pressing block, the wear-resistant backing plate and the tensioning handle, the hinge seat is vertically fixed on the top surface at one side of the vertical support rod and is positioned outside one side of a V-shaped guide groove, the lower side of the upper pressing block is provided with an arc-shaped notch, the arc-shaped wear-resistant backing plate is fixed in the arc-shaped notch of the upper pressing block, the arc-shaped wear-resistant backing plate of the wear-resistant backing plate is matched with the cross section of a lower rod of the landing gear of the heavy unmanned helicopter, one end of the upper pressing block is hinged with the hinge seat through a hinge pin, the other end of the upper pressing block is vertically and fixedly connected with one side of the upper part of the tensioning handle, the other side of the vertical support rod is provided with a plurality of vertical notches, the vertical notches correspond to the lower part of the tensioning handle, and the drag hook seat of the tensioning handle is fixed in the vertical notches, when the heavy unmanned helicopter locking device is used, the lower side of the lower rod is respectively supported in the V-shaped guide groove of the corresponding vertical support rod, the upper pressing block is respectively, the upper side of the lower part of the corresponding position of the vertical support rod is hooked, and the drag hook of the corresponding drag hook is respectively, and fixed on the corresponding two sides of the vertical support frame.
Further, the locking device of the low-platform trailer comprises a guide mechanism, a spring bolt and a tensioning handle which are arranged in pairs, wherein the guide mechanism is symmetrically arranged at the position, corresponding to the carriage floor, of the carriage towards the direction of the vehicle head, namely the outer side of the middle part of a cross beam at the front end of the carriage, and comprises a guide pin and a guide seat, one end of the guide pin is symmetrically fixed on one side of the middle part of the cross beam at the front end of the carriage, and the guide seat corresponds to the guide pin in position and is respectively fixed on the carriage floor; when the low-flat-plate trailer is locked, the outer sides of the middle parts of the cross beams at the front end of the frame are abutted against a pair of guide seats, guide pins are respectively inserted into the corresponding guide seats, the upper parts of the spring pins are symmetrically fixed on the outer sides of the middle parts of the cross beams at the rear end of the frame, which is the direction of the frame away from the vehicle head, the limit seats correspond to the positions of the spring pins and are respectively embedded and fixed on the corresponding positions of the floor of a carriage, the upper parts of the tensioning handles are symmetrically fixed on the outer sides of the two ends of the cross beams at the rear end of the frame and the corresponding positions of the floor of the carriage, the ground seats are symmetrically embedded and fixed on the floor of the carriage, when the low-flat-plate trailer is locked, the lower ends of the spring pins are respectively and automatically inserted into the corresponding limit seats, and the lower ends of the drag hooks at the lower parts of the tensioning handles are respectively hooked on the drag hooks in the corresponding ground seats.
Further, a second spring bolt for preventing the low flatbed trailer from sliding out of the hydraulic tail plate is further arranged, the second spring bolt is located between the pair of spring bolts, the upper portion of the second spring bolt is fixed on the outer side of the middle of the cross beam at the rear end of the frame, the limiting block is fixed on the outer end, far away from the carriage, of the hydraulic tail plate and corresponds to the position of the lower end of the second spring bolt, and when the low flatbed trailer moves to the outer end of the hydraulic tail plate, the lower end of the second spring bolt abuts against one side of the limiting block.
A method of using a heavy duty unmanned helicopter in a vehicle cabin comprising the steps of:
1) The heavy unmanned helicopter enters a carriage, firstly, a hydraulic tail plate outside a double-door at the rear end of the carriage is rotated to a horizontal state from a vertical state, then the double-door at the rear end of the carriage is opened, a pair of groove-shaped guide rails of the hydraulic tail plate are adjusted to a position which is level with the bottoms of a pair of groove-shaped guide rails on the floor of the carriage, then spring bolts symmetrically arranged in the middle of a cross beam at the rear end of a frame are respectively pulled up to enable the lower ends of the spring bolts to be separated from corresponding limit seats, and simultaneously, tensioning handles at the two ends of the cross beam at the rear end of a frame are respectively released to enable the lower ends of draw hooks at the lower parts of the tensioning handles to be separated from draw hook seats in corresponding seats, so that the fixed connection between the frame and the floor of the carriage is released;
2) The method comprises the steps of fixing a heavy unmanned helicopter on a low platform trailer, lowering a hydraulic tail plate to the ground, detaching a top rotor wing of the heavy unmanned helicopter stopped on the ground, pulling down wheels at the front part of a landing gear of the heavy unmanned helicopter by using stress bars to support the wheels on the ground, pushing the heavy unmanned helicopter to the low platform trailer, pushing lower bars at two sides of the landing gear of the heavy unmanned helicopter into V-shaped guide grooves of longitudinal support bars at two sides of a frame, overturning an upper pressing block to press the lower bars, pulling a tensioning handle forward, hooking the lower ends of drag hooks at the lower parts of the tensioning handles to corresponding drag hook seats to lock the upper pressing blocks, fixing the landing gear of the heavy unmanned helicopter on the longitudinal support bars at two sides of the frame, inserting the lower ends of the detachable armrest into corresponding sleeves on a cross beam, and locking the lower ends of the detachable armrest into the corresponding sleeves by using elastic cross bolts;
3) The lower flat trailer is fixed on the floor of the carriage after moving into the carriage, the detachable armrests are pushed to enable the lower flat trailer and the heavy unmanned helicopter loaded on the lower flat trailer to move into the carriage from the hydraulic tail plates under the support and the guide of the parallel loading wheels on two sides of the carriage until the outer sides of the middle part of the cross beam at the front end of the carriage are abutted against a pair of guide seats, at the moment, guide pins are respectively inserted into the corresponding guide seats, meanwhile, the lower ends of spring bolts on the middle part of the cross beam at the rear end of the carriage automatically extend into corresponding limit seats on the floor of the carriage under the action of spring elastic force of the pressure springs, then the tensioning handles at two ends of the cross beam at the rear end of the frame are pulled forward respectively, so that the drag hook lower ends at the lower parts of the tensioning handles hook drag hook seats in the corresponding ground seats, the lower flat trailer is fixed on the floor of the carriage, finally, the double door at the rear end of the carriage is closed, the hydraulic tail plates are retracted to a vertical state, and the carriage transport vehicle of the heavy loading unmanned helicopter can be started to carry out transition transportation.
The invention has compact structure and reliable locking, and realizes unimpeded loading and unloading of the heavy unmanned helicopter. The low-platform trailer supported by the parallel wheels is high in bearing capacity, the heavy unmanned helicopter is quickly fixed on the low-platform trailer during operation, and the low-platform trailer is quickly fixed on the floor of a carriage after being pushed into a special carriage type transport vehicle, so that the operation is convenient and quick. The locking device of the heavy unmanned helicopter adopts a mode that a plurality of upper pressing blocks of a hinged structure are combined with the V-shaped guide grooves of the longitudinal supporting rods, and the upper pressing blocks pressed against the landing gear of the heavy unmanned helicopter are locked by the tensioning handles, so that the locking is firm and reliable, and the heavy unmanned helicopter cannot be separated from a low-platform trailer. The spacing between the V-shaped guide grooves on two sides of the frame can be changed by the extensible undercarriage supporting platforms on two sides of the low-platform trailer, so that the undercarriage of the heavy unmanned helicopter with the increased transverse span after long-term use can be locked on the low-platform trailer. The guide mechanism of the locking device of the low platform trailer provides accurate guide for automatic locking of the spring bolt at the rear end of the low platform trailer, and a plurality of tensioning handles firmly fix the low platform trailer on the floor of a carriage. Even if the road on which the vehicle runs is very bumpy and vibrates very much, the heavy unmanned helicopter and the low platform trailer are kept fixed on the floor of the carriage, so that the running safety of the van-type transport vehicle loaded with the heavy unmanned helicopter is ensured. The locking and unlocking of the tensioning handle and the spring bolt can be operated by bare hands, and any tool is not needed, so that the operating speed of the invention is further increased, and the operating convenience is improved.
Advantages and features of the invention will be illustrated and explained by the following non-limiting description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic illustration of a heavy unmanned helicopter secured to a low flatbed trailer entering a dedicated van from a hydraulic tailgate;
FIG. 2 is a perspective view of the low flatbed trailer of the present invention;
fig. 3 is a perspective view of fig. 2 rotated 180 deg.;
FIG. 4 is an enlarged sectional view of A-A of FIG. 2;
FIG. 5 is an enlarged partial schematic view of a heavy unmanned helicopter landing gear secured to a low flatbed trailer;
FIG. 6 is an enlarged view of section I of FIG. 3;
fig. 7 is a partial view in the B direction of fig. 2.
Detailed Description
The invention will be further described with reference to the accompanying drawings and embodiments of the invention mounted in a special van.
In the description of the present invention, terms such as "front", "rear", "upper", "lower", "left", "right", and the like, which indicate orientation or position, are based on the orientation shown in the drawings, and are used only for simplifying the description, and do not indicate or imply that the present invention must have a specific orientation or position.
As shown in fig. 1-4, the embodiment comprises a low flat trailer 1, a heavy unmanned helicopter locking device 2 and a low flat trailer locking device 3, wherein a frame 11 of the low flat trailer 1 is a rectangular steel structure formed by welding rectangular steel pipes, the low flat trailer locking device is good in strength and rigidity, the low flat trailer locking device comprises longitudinal beams 111 at two longitudinal sides of the frame 11, transverse beams 112 at two transverse ends of the frame 11, a plurality of longitudinal rods 113 and transverse rods 114 which are arranged at intervals in the frame 11 and fixedly welded, symmetrical wheel grooves 115 are respectively arranged at two longitudinal ends of the frame 11, two pairs of parallel wheels 12 which are arranged at intervals are respectively supported in the corresponding wheel grooves 115 through wheel shafts 13, and the low flat trailer 1 with the installation height lower than that of the parallel wheels 12 is formed, so that the bearing capacity of the low flat trailer 1 is improved, and the heavy unmanned helicopter 10 is convenient to push the low flat trailer 1. A pair of depressed guide rail grooves 203 are provided on both sides of the longitudinal center line of the cabin floor 201 to avoid the snagging of the protruding parts, thereby improving the safety of the worker walking in the cabin 20. The channel rail 116 having flanges on both sides is fixed in the rail groove 203 by a plurality of fastening screws, respectively, and the lower edge of the loading wheel 13 is abutted against the bottom of the channel rail 116.
As shown in fig. 3 to 5, the heavy unmanned helicopter locking device 2 is arranged on two ends of lower rods 1011 on two sides of a landing gear 101 of the heavy unmanned helicopter and longitudinal support rods 118 of a corresponding expandable landing gear support platform 117 at intervals according to a mounting mode of two pairs of front ends facing the direction of a vehicle head and rear ends facing the direction of a hydraulic tail plate 202, and comprises a hinging seat 21, an upper pressing block 22, a wear-resistant backing plate 23 and a tightening handle 24, wherein the hinging seat 21 is vertically fixed on the left top surface of the longitudinal support rods 118 in fig. 5 through a plurality of fastening screws and is positioned outside the left side of a V-shaped guide groove 1182. The arc-shaped notch 221 is arranged on the lower side of the upper pressing block 22, the arc-shaped wear-resistant backing plate 23 is fixed in the arc-shaped notch 221 of the upper pressing block 22, the arc shape of the wear-resistant backing plate 23 is matched with the cross section of the lower rod 1011 of the landing gear 101 of the heavy unmanned helicopter, and the compression effect on the lower rod 1011 is improved. The left end of the upper pressing block 22 is hinged with the hinging seat 21 through a hinging pin 25, the right end of the upper pressing block 22 is vertically and fixedly connected with the left side of the upper part of the tensioning handle 24, 2 vertical notches 1181 are formed in the other side of the longitudinal supporting rod 118, the vertical notches 1181 correspond to the lower part of the tensioning handle 24, and the draw hook seat 241 of the tensioning handle 24 is fixed in the vertical notches 1181. When the locking device 2 of the heavy unmanned helicopter is used, the lower sides of the lower rods 1011 are respectively supported in the V-shaped guide grooves 1182 of the corresponding longitudinal support rods 118, the wear-resistant base plates 23 of the upper pressing blocks 22 respectively press the upper sides of the corresponding positions of the lower rods 1011, and the lower ends of the draw hooks 242 at the lower parts of the tensioning handles 24 respectively hook the corresponding draw hook seats 241, so that the landing gear 101 of the heavy unmanned helicopter is fixed on the longitudinal support rods 118 at two sides of the frame 11.
As shown in fig. 7, in order to adapt to the working condition that the transverse span of the heavy unmanned helicopter landing gear 101 increases after long-term use, the invention specially provides an expandable landing gear supporting platform 117, wherein the expandable landing gear supporting platform 117 comprises a longitudinal supporting rod 118, and further comprises 4 telescopic sleeve beams 1171,4 which are made of rectangular steel pipes and are arranged at intervals, one end of each telescopic sleeve beam 1171 is vertically and fixedly welded with the longitudinal supporting rod 118, the other end of each telescopic sleeve beam 1171 extends into the longitudinal beams 111 on two sides of the frame 11 respectively, and the telescopic sleeve beams 1171 are locked by screws 1172. The V-shaped guide groove 1182 on the upper side of the longitudinal support bar 118 is used for supporting the heavy unmanned helicopter landing gear 101, and the length of the V-shaped guide groove 1182 is matched with the length of the lower bar 1011 of the heavy unmanned helicopter landing gear 101.
The four corners of the frame 11 are respectively provided with a detachable armrest 14, the lower ends of the detachable armrests 14 are respectively inserted into corresponding sleeves 141 on the cross beam 112, and the lower ends of the detachable armrests 14 are locked in the corresponding sleeves 141 through elastic cross bolts 15. The detachable armrest 14 can be assembled and disassembled without using tools, and the elastic cross bolt 15 is very convenient to lock and unlock. The detachable armrests 14 are removed to enable the heavy-duty unmanned helicopter 10 to access the low platform trailer 1, and the detachable armrests 14 are installed to enable the low platform trailer 1 carrying the heavy-duty unmanned helicopter 10 to be pushed into and out of the carriage 20 by pushing the detachable armrests 14.
As shown in fig. 2,3 and 6, the locking device 3 for the low platform trailer comprises a guide mechanism 31, a spring bolt 32 and a tightening handle 24 which are arranged in pairs, wherein the guide mechanism 31 is symmetrically arranged at a position of the frame 11 facing the direction of the vehicle head, namely, the outer side of the middle part of a cross beam 112 at the front end of the frame 11 corresponds to the vehicle floor 201, and comprises a guide pin 311 and a guide seat 312, one end of the guide pin 311 is symmetrically fixed on one side of the middle part of the cross beam 112 at the front end of the frame 11, and the guide seat 312 corresponds to the guide pin 311 in position and is respectively fixed on the vehicle floor 201. When the low platform trailer 1 is locked, the outer side of the middle part of the cross beam 112 at the front end of the frame 11 is abutted against a pair of guide seats 312, and the guide pins 311 are respectively inserted into the corresponding guide seats 312, so that the guide mechanism 31 not only provides accurate guide for the movement of the low platform trailer 1 in the carriage 20, but also provides three-dimensional coordinate system three-direction movement limit for the low platform trailer 1. The upper parts of the spring bolts 32 are symmetrically fixed on the outer side of the middle part of the cross beam 12 of the rear end of the frame 11, which is far away from the vehicle head, and the limit seats 33 are corresponding to the positions of the spring bolts 32 and are respectively embedded and fixed on the corresponding positions of the carriage floor 201. The upper part of the tightening handle 24 is symmetrically fixed on the outer sides of the two ends of the cross beam 112 at the rear end of the frame 11 and the positions corresponding to the carriage floor 201, and the ground seat 34 is symmetrically embedded and fixed on the carriage floor 201 corresponding to the positions of the tightening handle 24. When the low platform trailer 1 is locked, the lower ends of the spring bolts 32 are respectively and automatically inserted into the corresponding limit seats 33. The lower ends of the draw hooks 242 at the lower part of the tightening handle 24 are respectively hooked on the corresponding draw hook seats 241.
As shown in fig. 1-3, in order to prevent the heavy unmanned helicopter 10 from sliding out of the hydraulic tail board 202, the invention sets a second spring bolt 4 between a pair of spring bolts 32, the upper part of the second spring bolt 4 is fixed on the outer side of the middle part of the cross beam 12 at the rear end of the frame 11, and the limiting block 41 is fixed on the left end of the hydraulic tail board 202 far away from the carriage 20 and corresponds to the lower end position of the second spring bolt 4. When the low platform trailer 1 moves to the left end of the hydraulic tail plate 202, the lower end of the second spring bolt 4 abuts against one side of the limiting block 41.
A method of using a heavy duty unmanned helicopter in a vehicle cabin comprising the steps of:
1) The heavy unmanned helicopter 10 enters the carriage 20, firstly, the hydraulic tail plate 202 outside the double-door at the rear end of the carriage 20 is rotated from a vertical state to a horizontal state, then the double-door at the rear end of the carriage 20 is opened, and then the pair of groove-shaped guide rails 116 of the hydraulic tail plate 202 are adjusted to be in a position which is level with the bottoms of the pair of groove-shaped guide rails 116 on the carriage floor 201. And then respectively pulling up the spring bolts 32 symmetrically arranged in the middle of the cross beam 112 at the rear end of the frame 11, so that the lower ends of the spring bolts 32 are separated from the corresponding limiting seats 33. Simultaneously, the tensioning handles 24 at the two ends of the cross beam 112 at the rear end of the frame 11 are respectively loosened, so that the lower ends of the draw hooks 242 at the lower part of the tensioning handles 24 are separated from the draw hook seats 241 in the corresponding seats 34, and the fixed connection between the frame 11 and the carriage floor 201 is released. Then, by pushing each detachable handrail 14, the 4 pairs of parallel wheels 12 on both sides of the low platform trailer 1 are rolled into the pair of grooved rails 116 of the hydraulic tail plate 202 along the grooved rails 116, and then the elastic cross pin 15 is pulled to detach the detachable handrail 14.
2) The heavy unmanned helicopter 10 is fixed on the low flatbed trailer 1, the hydraulic tail plate 202 is lowered to the ground, and the top rotor of the heavy unmanned helicopter 10 which has stopped on the ground is detached. And then the wheels 102 at the front part of the landing gear 101 of the heavy unmanned helicopter are respectively pulled down by the stress application rods to be supported on the ground, so that the heavy unmanned helicopter 10 can be pushed to move onto the low flatbed trailer 1, and the lower rods 1011 at the two sides of the landing gear 101 of the heavy unmanned helicopter are pushed into the V-shaped guide grooves 1181 of the longitudinal support rods 118 at the two sides of the frame 11. Then the upper pressing block 22 is respectively turned over to press the lower rod 1011, the tightening handle 24 is pulled forward, and the lower end of the drag hook 242 at the lower part of the tightening handle 24 is respectively hooked on the corresponding drag hook seat 241 to lock the upper pressing block 22, so that the landing gear 101 of the heavy unmanned helicopter is fixed on the longitudinal supporting rods 118 at two sides of the frame 11. The lower ends of the detachable armrests 14 are respectively inserted into corresponding sleeves 141 on the cross beam 112, and the lower ends of the detachable armrests 14 are locked in the corresponding sleeves 141 through the elastic cross bolts 15.
3) The low platform trailer 1 is fixed on the carriage floor 201 after moving into the carriage 20, and each detachable armrest 14 is pushed to enable the low platform trailer 1 and the heavy unmanned helicopter 10 loaded on the low platform trailer to move into the carriage 20 from the hydraulic tail plate 202 under the support and the guide of each parallel-mounted wheel 12 on two sides of the frame 11 until the outer side of the middle part of the cross beam 112 at the front end of the frame 11 is abutted against a pair of guide seats 311, and at the moment, the guide pins 312 are respectively inserted into the corresponding guide seats 311. Simultaneously, the lower end of the spring bolt 32 on the middle part of the beam 112 at the rear end of the frame 11 automatically stretches into the corresponding limit seat 33 on the carriage floor 201 under the action of the elastic force of the pressure spring 321. And then respectively pulling the tensioning handles 24 at the two ends of the cross beam 112 at the rear end of the frame 11 in the forward direction, so that the lower ends of the draw hooks 242 at the lower parts of the tensioning handles 24 hook the draw hook seats 241 in the corresponding ground seats 34, the low platform trailer 1 is fixed on the carriage floor 201, finally closing the double door at the rear end of the carriage 20, and retracting the hydraulic tail plate 202 to the vertical state, thus starting the carriage type transport vehicle loaded with the heavy unmanned helicopter 10 for transfer transportation.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are included in the scope of protection claimed by the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215543.5A CN112693384B (en) | 2021-02-26 | 2021-02-26 | Device and method for fixing heavy unmanned helicopter in vehicle compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215543.5A CN112693384B (en) | 2021-02-26 | 2021-02-26 | Device and method for fixing heavy unmanned helicopter in vehicle compartment |
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| CN112693384B true CN112693384B (en) | 2025-03-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214564892U (en) * | 2021-02-26 | 2021-11-02 | 江苏捷诚车载电子信息工程有限公司 | Heavy unmanned helicopter fixing device in carriage |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2584031A1 (en) * | 1985-06-28 | 1987-01-02 | Laborde Marc | Trailer for transporting aircraft of the motorised microlight type |
| CN202986938U (en) * | 2012-12-25 | 2013-06-12 | 中国直升机设计研究所 | Small unmanned helicopter land transport vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214564892U (en) * | 2021-02-26 | 2021-11-02 | 江苏捷诚车载电子信息工程有限公司 | Heavy unmanned helicopter fixing device in carriage |
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