CN114056552A

CN114056552A - Large unmanned aerial vehicle suitable for lifting and falling in different terrains

Info

Publication number: CN114056552A
Application number: CN202111491800.4A
Authority: CN
Inventors: 王鑫瑞; 崔志华; 汤雪莲
Original assignee: Sichuan Tianyu Hangtong Technology Co ltd
Current assignee: Sichuan Tianyu Hangtong Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-18

Abstract

The invention relates to the technical field of unmanned aerial vehicles, in particular to a large unmanned aerial vehicle suitable for different terrains, which comprises an unmanned aerial vehicle body, wherein a telescopic structure is arranged on the unmanned aerial vehicle body, a supporting structure is arranged on the telescopic structure, a protective structure is arranged on the unmanned aerial vehicle body, a connecting structure is arranged on the protective structure, a winding structure is arranged on the unmanned aerial vehicle body, and a fixing structure is arranged on the winding structure; through installing extending structure on the unmanned aerial vehicle body, subaerial when having water can adjust the unmanned aerial vehicle body from top to bottom through extending structure, make things convenient for unmanned aerial vehicle to stabilize the descending, can prevent through bearing structure that the unmanned aerial vehicle body is when the muddy road surface of descending in addition, the unmanned aerial vehicle body sinks, can also be when the water level is too high, when seeing not clear road surface, prevent that the unmanned aerial vehicle body from directly being absorbed in the muddy road surface of hiding in water the inside.

Description

Large unmanned aerial vehicle suitable for lifting and falling in different terrains

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a large unmanned aerial vehicle suitable for lifting and falling in different terrains.

Background

Unmanned aerial vehicle, be the unmanned aerial vehicle who utilizes radio remote control equipment and the program control device manipulation of self-contained, along with the maturity of unmanned aerial vehicle technique, it is possible to utilize unmanned aerial vehicle to accomplish some mankind's high difficult dangers and poisonous and harmful work that are difficult to accomplish, can carry out plant protection through unmanned aerial vehicle, survey and drawing, the photography, high-pressure cable and agriculture and forestry are tourd, unmanned aerial vehicle also has wide application space in fields such as commodity circulation, and in some areas that are suffered a disaster, because some factors such as road damage, inconvenient timely send goods and materials to the disaster area, just this moment, the large-scale unmanned aerial vehicle of accessible carries out goods and materials and transports.

However, some disaster areas are in the back of being suffered from a disaster, the road surface may have the condition of flooding or comparatively muddy, if unmanned aerial vehicle need descend this moment, may have by the flooding or the undercarriage and the muddy road surface area of force receiving little sunken condition, will cause the follow-up condition that can not in time put into operation of unmanned aerial vehicle, and unmanned aerial vehicle is when carrying goods and materials, if meet windy weather, some hang goods and materials and will have the too big condition of range of shaking, lead to unmanned aerial vehicle to fall to damage very easily, carry the goods and materials to the disaster area through unmanned aerial vehicle, unmanned aerial vehicle stop work gets goods, then work takes off again, influence unmanned aerial vehicle's transport efficiency, and unmanned aerial vehicle does not stop work and gets goods, unmanned aerial vehicle's wing causes the injury to the person of getting goods easily.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a large unmanned aerial vehicle suitable for lifting and falling in different terrains.

The technical scheme adopted by the invention for solving the technical problems is as follows: a large unmanned aerial vehicle suitable for different landforms to rise and fall comprises an unmanned aerial vehicle body, wherein a telescopic structure is mounted on the unmanned aerial vehicle body, a supporting structure is mounted on the telescopic structure, a protective structure is mounted on the unmanned aerial vehicle body, a connecting structure is mounted on the protective structure, a winding structure is mounted on the unmanned aerial vehicle body, and a fixing structure is mounted on the winding structure;

the utility model discloses an unmanned aerial vehicle, including unmanned aerial vehicle body, telescopic structure, first bracing piece, first lead screw, shaft coupling and first motor, the telescopic structure includes the fixing base, unmanned aerial vehicle body bottom is a plurality of fixing bases of symmetrical relation fixedly connected with, install first motor in the fixing base, fixing base bottom end fixedly connected with first bracing piece, the internal rotation of first bracing piece is connected with first lead screw, the output fixed connection of first lead screw through shaft coupling and first motor, sliding connection has the second bracing piece in the first bracing piece, second bracing piece and first lead screw threaded connection, second bracing piece bottom end fixedly connected with base.

Specifically, bearing structure includes the second lead screw, sliding connection has the second lead screw in the first lead screw, the first spacing piece of fixedly connected with on the second lead screw, threaded connection has the screw ring on the second lead screw, fixedly connected with supporting seat on the screw ring, it is connected with the gyro wheel to rotate on the supporting seat, it is connected with the backup pad to rotate on the base, backup pad and gyro wheel are contradicted, backup pad and supporting seat rotate the department and install first torsional spring.

Specifically, first spacing piece is cuboid shape structure, the second lead screw passes through the bearing and rotates with the second bracing piece to be connected.

Concretely, protective structure includes first guard plate, the first guard plate of unmanned aerial vehicle body bottom fixedly connected with, first guard plate bottom sliding connection has the second guard plate, sliding connection has first slider in the second guard plate, fixedly connected with splint on the first slider, the first spring of fixedly connected with between first slider and the second guard plate, the first guide arm of fixedly connected with in the second guard plate, first guide arm and first slider sliding connection.

Specifically, sliding connection has the feeler lever in the second guard plate, fixedly connected with fixture block on the feeler lever, fixedly connected with second spring between feeler lever and the second guard plate, fixedly connected with second guide arm on the feeler lever.

Specifically, the clamping block is abutted against the first sliding block, the section of the side end of the clamping block is arc-shaped, and the section of the top end of the first sliding block is arc-shaped.

Specifically, connection structure includes the head rod, fixedly connected with head rod on the first guard plate, the spacing piece of fixedly connected with second on the head rod, fixedly connected with second connecting rod on the second bracing piece, fixedly connected with third connecting rod on the second connecting rod, fixedly connected with fourth connecting rod on the second guard plate, third connecting rod and fourth connecting rod sliding connection, the spacing piece of fixedly connected with third on the third connecting rod.

Specifically, the roll-up structure includes the roll-up piece, unmanned aerial vehicle body bottom fixedly connected with roll-up piece, install the second motor in the roll-up piece, the second motor output passes through shaft coupling fixedly connected with rolling axle, the epaxial winding of rolling has the stay cord.

Specifically, the last first gear of fixedly connected with of rolling shaft, roll up piece bottom fixedly connected with mount, the mount rotates through the bearing and is connected with the third lead screw, fixedly connected with second gear on the third lead screw, first gear and second gear meshing, threaded connection has the wire piece on the third lead screw, fixedly connected with third guide arm on the mount, third guide arm and wire piece sliding connection, wire piece bottom fixedly connected with clearance ring, clearance ring and stay cord sliding connection.

Specifically, fixed knot constructs including the fixed block, stay cord bottom fixedly connected with fixed block, sliding connection has the second slider in the fixed block, fixedly connected with touch block on the second slider, second slider bottom fixedly connected with fixed column, be equipped with the spout in the fixed column, the fixed block internal rotation is connected with fixed cover, fixed cover and fixed block rotation department install the second torsional spring, fixedly connected with dead lever on the fixed cover, fixedly connected with fixed hook on the dead lever, fixedly connected with third spring between fixed block and the second slider.

The invention has the beneficial effects that:

(1) the large unmanned aerial vehicle suitable for different terrains to rise and fall is convenient for the unmanned aerial vehicle to stably fall by installing the telescopic structure on the unmanned aerial vehicle body, the unmanned aerial vehicle body can be prevented from sinking when water exists on the ground by the telescopic structure when the unmanned aerial vehicle body falls on a muddy road, and the unmanned aerial vehicle body can be prevented from directly sinking into the muddy road hidden in the water when the road is not cleared when the water level is too high, namely when the water level on the ground is too high, because the fixed seat is fixedly connected with the bottom end of the unmanned aerial vehicle body, the first motor is fixedly connected in the fixed seat, the first motor electrically connected with an internal power supply works, the first screw fixedly connected with the output end of the first motor through the coupler can be driven to rotate, and because the bottom end of the fixed seat is fixedly provided with the first supporting rod, the first support rod is connected with the second support rod in a sliding manner, the first lead screw is connected with the first support rod in a sliding manner, and the first lead screw is connected with the second support rod in a threaded manner, so that the first lead screw can drive the second support rod to slide, and the base can be driven to slide downwards, so that the adjustment can be carried out according to the height of the water level, and the overhigh ground water accumulation can be prevented, the water accumulation inside the unmanned aerial vehicle body can affect the use efficiency of the unmanned aerial vehicle body when the unmanned aerial vehicle body descends, and the conveying efficiency of goods and materials can also be affected, because the second lead screw is connected with the first lead screw in a sliding manner, and the first limiting piece fixed on the second lead screw slides in the first lead screw, so that the first lead screw can drive the second lead screw to rotate, and the second lead screw rotates in the second support rod through a bearing, so that the second lead screw can drive a threaded ring in threaded connection with the second lead screw to slide in the second support rod, thereby can drive the gyro wheel downstream of rotation in the supporting seat, because it is connected with the backup pad to rotate on the base, and gyro wheel and backup pad conflict, therefore the gyro wheel slides and to drive the backup pad rotatory, can increase ground area of contact when rotatory to the horizontality with the backup pad, thereby can prevent when some muddy area unmanned aerial vehicle body descends, unmanned aerial vehicle body base is absorbed in earth, influence the transport of goods and materials, can withdraw the backup pad is automatic through the torsion of first torsional spring when gyro wheel and backup pad do not contradict, can conveniently accomodate the backup pad when not needing to support ground, reduce the area of unmanned aerial vehicle body, the convenience is used the unmanned aerial vehicle body.

(2) According to the large unmanned aerial vehicle suitable for lifting and falling in different terrains, the transported goods can be protected by installing the protection structure on the unmanned aerial vehicle body, the situation that the goods are shaken by overlarge wind force during transportation to cause unbalanced falling of the unmanned aerial vehicle under stress is prevented, the protection structure can be driven to adjust up and down during the operation of the telescopic structure through the connecting structure, namely, the first protection plate is fixedly connected to the bottom end of the unmanned aerial vehicle body, the second protection plate is slidably connected to the first protection plate, and the first slide block is slidably connected in the second protection plate, so that materials can be clamped through the clamping plate fixed on the first slide block, the situation that the unmanned aerial vehicle body falls due to overlarge shaking amplitude of the materials when the unmanned aerial vehicle body flies is prevented, and the first guide rod and the second protection plate which are fixed on the first slide block are slidably connected, the first sliding block can be prevented from inclining when sliding, when the unmanned aerial vehicle body falls to the ground, the abutting rod sliding in the second protection plate firstly contacts the ground, the abutting rod drives the clamping block to slide, so that the first sliding block and the clamping block can not abut against each other any more, when the unmanned aerial vehicle body falls to the ground, the clamping plate can be pulled back through the tensile force of the first spring without clamping materials, when the unmanned aerial vehicle body takes off, the clamping plate rebounds through the elastic force of the second spring again, the elastic force of the second spring is larger than that of the first spring, the abutting rod can be prevented from inclining when sliding through the second guide rod fixed on the abutting rod, therefore, when the materials are transported in a hoisting mode, the unmanned aerial vehicle body is prevented from accidents caused by the shaking of the excessive materials due to wind power, the materials can be conveniently taken out when falling to the ground, when the base descends, because the second connecting rod is fixed on the second support rod, be fixed with the third connecting rod on the second connecting rod, fix fourth connecting rod and third connecting rod sliding connection on the second guard plate, consequently, the second bracing piece can drive the second guard plate when descending and descend, be convenient for carry out the centre gripping protection to goods and materials, can prevent third connecting rod roll-off fourth connecting rod through the spacing piece of third of fixing on the third connecting rod, owing to be fixed with the head rod on first guard plate, be fixed with the spacing piece of second on the head rod, consequently, can prevent the first guard plate of second guard plate roll-off through the spacing piece of head rod and second, can remove the second guard plate through the removal of second bracing piece, conveniently carry out the centre gripping with goods and materials and take out.

(3) According to the large unmanned aerial vehicle suitable for being lifted and fallen in different terrains, the winding structure is arranged on the unmanned aerial vehicle body, materials can be suspended, lifted and fixed, the materials can be conveniently descended to the ground when the unmanned aerial vehicle is not descended, goods can be conveniently taken, meanwhile, the goods fixed on the unmanned aerial vehicle body can be conveniently taken down through the fixing structure, namely when the goods are lifted through the pull rope, the second motor electrically connected with the internal power supply can be driven to work, the winding shaft fixedly connected with the output end of the second motor through the coupler can be driven to rotate, the pull rope is wound on the winding shaft, so that the materials can be driven to lift through the second motor, the fixing frame is fixed on the winding block, the third screw rod is rotated on the fixing frame through the bearing, and the lead block is connected to the third screw rod through the thread, so that the third screw rod can drive the lead block to slide back and forth, therefore, the stay ropes connected with the lead blocks in a sliding manner can be uniformly distributed on the winding shaft, the third guide rod fixed on the fixing frame is connected with the lead blocks in a sliding manner, the lead blocks can be prevented from being driven to rotate when the third lead screw rotates, the first gear fixed on the winding shaft is meshed with the second gear fixed on the third lead screw, so that the lead blocks can be driven to slide back and forth when the stay ropes are wound, the stay ropes can be conveniently and uniformly wound on the winding shaft, dirt on the stay ropes can be cleaned when the stay ropes are withdrawn through the cleaning ring fixed on the lead blocks, when the unmanned aerial vehicle body descends to the ground and needs to take down goods and materials, the second motor works again, the fixed block is driven to ascend through the stay ropes, after the stay blocks ascend for a certain distance, the contact blocks are abutted against the lead blocks, and the second sliding blocks fixed at the bottom ends of the contact blocks can be driven to slide downwards, thereby driving the fixed column fixed on the second slide block to slide downwards, because the fixed sleeve rotates in the fixed block and is fixedly connected with the fixed hook through the fixed rod, therefore, when the fixed column slides downwards, the fixed hook can be connected with the sliding chute in a sliding way, so that the fixed hook can automatically rotate and open through the torsion of the second torsion spring fixed in the fixed sleeve, so that the materials can be automatically dropped, the fixed column can be prevented from automatically sliding downwards through the elastic force of the third spring fixed on the second sliding block, and therefore, when the unmanned aerial vehicle body falls on the ground, the unmanned aerial vehicle needs a period of time for starting up and running again, and the personnel who can easily get the materials are injured in the working state, so the unmanned aerial vehicle body can be landed on the ground through the interference of the interference block and the wire block, put down the goods and materials automatically, can take out the goods and materials and use after the unmanned aerial vehicle body leaves.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a large unmanned aerial vehicle adapted to be lifted and landed in different terrains according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the fixing base and the first support rod of the present invention;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 3;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 3;

FIG. 7 is an enlarged view of the structure of the section E shown in FIG. 3;

FIG. 8 is a schematic view of a connection structure between the fixing base and the first motor according to the present invention;

FIG. 9 is an enlarged view of the structure of the portion F shown in FIG. 8;

fig. 10 is an enlarged view of the structure of the G-section shown in fig. 8.

In the figure: 1. an unmanned aerial vehicle body; 2. a telescopic structure; 201. a fixed seat; 202. a first motor; 203. a first support bar; 204. a first lead screw; 205. a second support bar; 206. a base; 3. a support structure; 301. a second lead screw; 302. a first limiting sheet; 303. a threaded ring; 304. a supporting seat; 305. a roller; 306. a support plate; 307. a first torsion spring; 4. a protective structure; 401. a first guard plate; 402. a second guard plate; 403. a first slider; 404. a splint; 405. a first spring; 406. a first guide bar; 407. a touch bar; 408. a clamping block; 409. a second spring; 410. a second guide bar; 5. a connecting structure; 501. a first connecting rod; 502. a second limiting sheet; 503. a second connecting rod; 504. a third connecting rod; 505. a fourth connecting rod; 506. a third limiting sheet; 6. a winding structure; 601. a coiling block; 602. a second motor; 603. a winding shaft; 604. pulling a rope; 605. a first gear; 606. a fixed mount; 607. a third screw rod; 608. a second gear; 609. a third guide bar; 610. cleaning a ring; 611. a lead block; 7. a fixed structure; 701. a fixed block; 702. a second slider; 703. a contact block; 704. fixing a column; 705. a chute; 706. fixing a sleeve; 707. a second torsion spring; 708. fixing the rod; 709. a fixed hook; 710. and a third spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-10, the large unmanned aerial vehicle adapted to different terrains comprises an unmanned aerial vehicle body 1, wherein a telescopic structure 2 is mounted on the unmanned aerial vehicle body 1, a support structure 3 is mounted on the telescopic structure 2, a protective structure 4 is mounted on the unmanned aerial vehicle body 1, a connecting structure 5 is mounted on the protective structure 4, a furling structure 6 is mounted on the unmanned aerial vehicle body 1, and a fixing structure 7 is mounted on the furling structure 6;

the telescopic structure 2 comprises a fixed seat 201, the bottom end of the unmanned aerial vehicle body 1 is fixedly connected with a plurality of fixed seats 201 in a symmetrical relation, a first motor 202 is installed in the fixed seat 201, the bottom end of the fixed seat 201 is fixedly connected with a first supporting rod 203, the first supporting rod 203 is rotatably connected with a first lead screw 204, the first lead screw 204 is fixedly connected with the output end of the first motor 202 through a coupler, the first supporting rod 203 is slidably connected with a second supporting rod 205, the second supporting rod 205 is in threaded connection with the first lead screw 204, the bottom end of the second supporting rod 205 is fixedly connected with a base 206, when the ground water level is too high, because the fixed seat 201 is fixedly connected with the bottom end of the unmanned aerial vehicle body 1 and the first motor 202 is fixedly connected in the fixed seat 201, the first motor 202 electrically connected with an internal power supply can work, and the first lead screw 204 fixedly connected with the output end of the first motor 202 through the coupler can be driven to rotate, because fixing base 201 bottom mounting has first bracing piece 203, sliding connection has second bracing piece 205 in first bracing piece 203, and first lead screw 204 and first bracing piece 203 sliding connection, first lead screw 204 and second bracing piece 205 threaded connection, consequently, first lead screw 204 rotates and can drive second bracing piece 205 and slide, thereby can drive base 206 lapse, consequently, can adjust according to the height of water level, thereby can prevent that surface water is too high, the inside ponding of unmanned aerial vehicle body 1 when unmanned aerial vehicle body 1 descends, influence the availability factor of unmanned aerial vehicle body 1, still can influence the conveying efficiency of goods and materials.

Specifically, the supporting structure 3 includes a second lead screw 301, a second lead screw 301 is slidably connected to the first lead screw 204, a first limiting piece 302 is fixedly connected to the second lead screw 301, a threaded ring 303 is threadedly connected to the second lead screw 301, a supporting seat 304 is fixedly connected to the threaded ring 303, a roller 305 is rotatably connected to the supporting seat 304, a supporting plate 306 is rotatably connected to the base 206, the supporting plate 306 is abutted to the roller 305, a first torsion spring 307 is installed at the rotating position of the supporting plate 306 and the supporting seat 304, the first limiting piece 302 is in a cuboid-shaped structure, the second lead screw 301 is rotatably connected to the second supporting rod 205 through a bearing, and since the second lead screw 301 is slidably connected to the first lead screw 204 and the first limiting piece 302 fixed to the second lead screw 301 is slid in the first lead screw 204, the first lead screw 204 is rotated to drive the second lead screw 301 to rotate, and the second screw rod 301 rotates in the second support rod 205 through a bearing, so that the second screw rod 301 rotates to drive the threaded ring 303 in threaded connection with the second screw rod 301 to slide in the second support rod 205, and thus the roller 305 rotating in the support base 304 can be driven to move downwards, because the support plate 306 is rotatably connected to the base 206, and the roller 305 is in contact with the support plate 306, the roller 305 slides to drive the support plate 306 to rotate, the ground contact area can be increased when the support plate 306 is rotated to the horizontal state, thereby preventing the base 206 on the unmanned aerial vehicle body 1 from sinking into the soil when the unmanned aerial vehicle body 1 descends in some muddy areas, affecting the transportation of materials, the support plate 306 can be automatically retracted through the torsion force of the first torsion spring 307 when the roller 305 is not in contact with the support plate 306, and the support plate 306 can be conveniently stored when the ground is not required to be supported, reduce unmanned aerial vehicle body 1's area, the convenience is used unmanned aerial vehicle body 1.

Specifically, the protective structure 4 includes a first protection plate 401, the bottom end of the unmanned aerial vehicle body 1 is fixedly connected with the first protection plate 401, the bottom end of the first protection plate 401 is slidably connected with a second protection plate 402, the second protection plate 402 is slidably connected with a first slider 403, the first slider 403 is fixedly connected with a clamp plate 404, a first spring 405 is fixedly connected between the first slider 403 and the second protection plate 402, a first guide rod 406 is fixedly connected in the second protection plate 402, the first guide rod 406 is slidably connected with the first slider 403, a touch rod 407 is slidably connected in the second protection plate 402, a fixture block 408 is fixedly connected on the touch rod 407, a second spring 409 is fixedly connected between the touch rod 407 and the second protection plate 402, a second guide rod 410 is fixedly connected on the touch rod 407, and the fixture block 408 is abutted against the first slider 403, the cross section of the side end of the clamping block 408 is arc-shaped, the cross section of the top end of the first sliding block 403 is arc-shaped, the bottom end of the unmanned aerial vehicle body 1 is fixedly connected with a first protection plate 401, the first protection plate 401 is connected with a second protection plate 402 in a sliding manner, and the second protection plate 402 is connected with a first sliding block 403 in a sliding manner, so that materials can be clamped by the clamping plate 404 fixed on the first sliding block 403, the unmanned aerial vehicle body 1 is prevented from falling off due to overlarge shaking amplitude of the materials when the unmanned aerial vehicle body 1 flies, the first sliding block 403 can be prevented from inclining during sliding through the sliding connection of the first guide rod 406 and the second protection plate 402 fixed on the first sliding block 403, when the unmanned aerial vehicle body 1 lands, the first sliding abutting rod 407 in the second protection plate 402 firstly contacts the ground, the abutting rod drives the clamping block 408 to slide, and the first sliding block 403 and the clamping block 408 can not abut against each other, consequently when unmanned aerial vehicle body 1 falls to the ground, pulling force through first spring 405 can pull back splint 404, no longer carry out the centre gripping to the goods and materials, when unmanned aerial vehicle body 1 takes off, bounce splint 404 again through the elasticity of second spring 409, and the elasticity of second spring 409 is greater than the elasticity of first spring 405, can prevent to touch pole 407 slope when sliding through second guide arm 410 fixed on touch pole 407, consequently when transporting the goods and materials through the mode of hoist and mount, prevent that wind-force from crossing big goods and materials and rocks and lead to unmanned aerial vehicle body 1 to take place the accident, and can also conveniently take out the goods and materials when falling to the ground.

Specifically, the connecting structure 5 includes a first connecting rod 501, the first protection plate 401 is fixedly connected with the first connecting rod 501, the first connecting rod 501 is fixedly connected with a second limiting piece 502, the second supporting rod 205 is fixedly connected with a second connecting rod 503, the second connecting rod 503 is fixedly connected with a third connecting rod 504, the second protection plate 402 is fixedly connected with a fourth connecting rod 505, the third connecting rod 504 and the fourth connecting rod 505 are slidably connected, the third connecting rod 504 is fixedly connected with a third limiting piece 506, when the base 206 descends, because the second connecting rod 503 is fixed on the second supporting rod 205, the third connecting rod 504 is fixed on the second connecting rod 503, and the fourth connecting rod 505 and the third connecting rod 504 are slidably connected on the second protection plate 402, the second protection plate 402 can be driven to descend when the second supporting rod 205 descends, be convenient for carry out the centre gripping protection to goods and materials, can prevent third connecting rod 504 roll-off fourth connecting rod 505 through the spacing piece 506 of third of fixing on third connecting rod 504, owing to be fixed with head rod 501 on first guard plate 401, be fixed with the spacing piece 502 of second on head rod 501, consequently, can prevent the first guard plate 401 of second guard plate 402 roll-off through head rod 501 and the spacing piece 502 of second, can remove second guard plate 402 through the removal of second bracing piece 205, conveniently carry out the centre gripping with goods and materials and take out.

Specifically, the furling structure 6 includes a furling block 601, the bottom end of the unmanned aerial vehicle body 1 is fixedly connected with the furling block 601, the furling block 601 is internally installed with a second motor 602, the output end of the second motor 602 is fixedly connected with a furling shaft 603 through a coupler, a pull rope 604 is wound on the furling shaft 603, a first gear 605 is fixedly connected to the furling shaft 603, the bottom end of the furling block 601 is fixedly connected with a fixing frame 606, the fixing frame 606 is rotatably connected with a third lead screw 607 through a bearing, the third lead screw 607 is fixedly connected with a second gear 608, the first gear 605 is meshed with the second gear 608, the third lead screw 607 is in threaded connection with a lead block 611, the fixing frame 606 is fixedly connected with a third guide rod 609, the third guide rod 609 is in sliding connection with the lead block 611, the bottom end of the lead block 611 is fixedly connected with a cleaning ring 610, and the cleaning ring 610 is in sliding connection with the pull rope 604, when goods are hoisted through the pull rope 604, the second motor 602 electrically connected with an internal power supply works to drive the winding shaft 603 fixedly connected with the output end of the second motor 602 through the coupler to rotate, and the pull rope 604 is wound on the winding shaft 603, so that goods and materials can be driven to lift through the second motor 602, because the winding block 601 is fixed with the fixing frame 606, the fixing frame 606 is rotated through the bearing, and the third screw rod 607 is connected with the lead block 611 through the thread on the third screw rod 607, so that the third screw rod 607 can rotate to drive the lead block 611 to slide back and forth, the pull rope 604 connected with the lead block 611 in a sliding manner can be uniformly distributed on the winding shaft 603, and through the sliding connection of the third guide rod 609 fixed on the fixing frame 606 and the lead block 611, the lead block 611 can be prevented from being driven to rotate when the third screw rod 607 rotates, because the first gear 605 fixed on the winding shaft 603 is meshed with the second gear 608 fixed on the third screw rod 607, therefore, when the pulling rope 604 is wound, the wire block 611 can be driven to slide back and forth, the pulling rope 604 can be conveniently wound on the winding shaft 603 uniformly, and dirt on the pulling rope 604 can be cleaned when the pulling rope 604 is retracted through the cleaning ring 610 fixed on the wire block 611.

Specifically, the fixing structure 7 includes a fixing block 701, a fixing block 701 is fixedly connected to the bottom end of the pulling rope 604, a second sliding block 702 is slidably connected to the fixing block 701, a contact block 703 is fixedly connected to the second sliding block 702, a fixing column 704 is fixedly connected to the bottom end of the second sliding block 702, a sliding groove 705 is formed in the fixing column 704, a fixing sleeve 706 is rotatably connected to the fixing block 701, a second torsion spring 707 is installed at a rotating position of the fixing sleeve 706 and the fixing block 701, a fixing rod 708 is fixedly connected to the fixing sleeve 706, a fixing hook 709 is fixedly connected to the fixing rod 708, a third spring 710 is fixedly connected between the fixing block 701 and the second sliding block 702, when the unmanned aerial vehicle body 1 is lowered to the ground and materials need to be taken down, the second motor 602 works again, the fixing block 701 is driven to ascend through the pulling rope 604, and after the unmanned aerial vehicle body 1 ascends for a certain distance, the contact block 703 is abutted against the wire block 611, and can drive the second slider 702 fixed at the bottom end of the contact block 703 to slide downwards, so as to drive the fixed column 704 fixed on the second slider 702 to slide downwards, because the fixed sleeve 706 is rotated in the fixed block 701, and the fixed sleeve 706 is fixedly connected with the fixed hook 709 through the fixed rod 708, when the fixed column 704 slides downwards, the fixed hook 709 can be in sliding connection with the sliding groove 705, so that the fixed hook 709 can be automatically rotated and opened through the torsion of the second torsion spring 707 fixed in the fixed sleeve 706, so as to automatically drop the material, and the fixed column 704 can be prevented from automatically sliding downwards through the elasticity of the third spring 710 fixed on the second slider 702, so when the unmanned aerial vehicle body 1 falls on the ground, the start-up operation needs a period again, and the person taking the material is easily injured under the working state, consequently contradict through conflict piece 703 and wire piece 611, can descend at the ground at unmanned aerial vehicle body 1, put down the goods and materials automatically, can take out the goods and materials and use after unmanned aerial vehicle body 1 leaves.

When the invention is used, when the ground water level is too high, because the fixed seat 201 is fixedly connected with the bottom end of the unmanned aerial vehicle body 1, and the first motor 202 is fixedly connected in the fixed seat 201, the first motor 202 electrically connected with an internal power supply can drive the first screw rod 204 fixedly connected with the output end of the first motor 202 through a coupler to rotate, because the first support rod 203 is fixed at the bottom end of the fixed seat 201, the second support rod 205 is slidably connected in the first support rod 203, and the first screw rod 204 is slidably connected with the first support rod 203, and the first screw rod 204 is in threaded connection with the second support rod 205, the first screw rod 204 can drive the second support rod 205 to slide, so that the base 206 can be driven to slide downwards, and therefore, the invention can be adjusted according to the height of the water level, thereby preventing the ground water from being too high, and the water from accumulating in the unmanned aerial vehicle body 1 when the unmanned aerial vehicle body 1 descends, the using efficiency of the unmanned aerial vehicle body 1 is affected, and the conveying efficiency of materials is affected, because the second lead screw 301 is connected in the first lead screw 204 in a sliding manner, and the first limiting sheet 302 fixed on the second lead screw 301 slides in the first lead screw 204, the first lead screw 204 rotates to drive the second lead screw 301 to rotate, and the second lead screw 301 rotates in the second supporting rod 205 through a bearing, so that the second lead screw 301 rotates to drive the threaded ring 303 in threaded connection with the second lead screw 301 to slide in the second supporting rod 205, thereby driving the roller 305 rotating in the supporting seat 304 to move downwards, because the supporting plate 306 is connected on the base 206 in a rotating manner, and the roller 305 is in contact with the supporting plate 306, therefore, the roller 305 can drive the supporting plate 306 to rotate, the ground contact area can be increased when the supporting plate 306 is rotated to the horizontal state, thereby preventing the unmanned aerial vehicle body 1 from descending in some muddy areas, the base 206 on the unmanned aerial vehicle body 1 is sunk into soil to affect the material conveying, the support plate 306 can be automatically retracted through the torsion force of the first torsion spring 307 when the rollers 305 and the support plate 306 are not in conflict, the support plate 306 can be conveniently stored when the ground is not required to be supported, the floor area of the unmanned aerial vehicle body 1 is reduced, and the unmanned aerial vehicle body 1 is convenient to use, because the bottom end of the unmanned aerial vehicle body 1 is fixedly connected with the first protection plate 401, the second protection plate 402 is slidably connected with the first protection plate 401, and the first sliding block 403 is slidably connected in the second protection plate 402, so that the material can be clamped through the clamping plate 404 fixed on the first sliding block 403, the unmanned aerial vehicle body 1 is prevented from falling due to the overlarge material shaking amplitude when the unmanned aerial vehicle body 1 flies, and the first guide rod 406 and the second protection plate 402 are slidably connected through the first guide rod 406 and the second guide plate 403, the first sliding block 403 can be prevented from inclining when sliding, when the unmanned aerial vehicle body 1 lands on the ground, as the abutting rod 407 sliding in the second protection plate 402 contacts the ground first, the abutting rod 407 drives the clamping block 408 to slide, so that the first sliding block 403 and the clamping block 408 can not abut against each other any more, when the unmanned aerial vehicle body 1 lands on the ground, the clamping plate 404 can be pulled back by the pulling force of the first spring 405, no longer clamping the material, when the unmanned aerial vehicle body 1 takes off, the clamping plate 404 can be rebounded again by the elastic force of the second spring 409, the elastic force of the second spring 409 is greater than that of the first spring 405, the abutting rod 407 can be prevented from inclining when sliding by the second guide rod 410 fixed on the abutting rod 407, therefore, when the material is transported by a hoisting mode, the accident of the unmanned aerial vehicle body 1 caused by the shaking of the overlarge material can be prevented, and the material can be taken out conveniently when the unmanned aerial vehicle body 1 lands on the ground, when the base 206 descends, the second support rod 205 is fixed with the second connecting rod 503, the second connecting rod 503 is fixed with the third connecting rod 504, and the fourth connecting rod 505 fixed on the second protection plate 402 is slidably connected with the third connecting rod 504, so that the second support rod 205 can be driven to descend when descending, thereby facilitating the clamping protection of materials, the third connecting rod 504 can be prevented from sliding out of the fourth connecting rod 505 by the third limiting piece 506 fixed on the third connecting rod 504, the first protection plate 401 is fixed with the first connecting rod 501, the first connecting rod 501 is fixed with the second limiting piece 502, thereby the second protection plate 402 can be prevented from sliding out of the first protection plate 401 by the first connecting rod 501 and the second limiting piece 502, the second protection plate 402 can be moved by the movement of the second support rod 205, thereby facilitating the clamping and taking out of materials, when goods are hoisted through the pull rope 604, the second motor 602 electrically connected with an internal power supply works to drive the winding shaft 603 fixedly connected with the output end of the second motor 602 through the coupler to rotate, and the pull rope 604 is wound on the winding shaft 603, so that goods and materials can be driven to lift through the second motor 602, because the winding block 601 is fixed with the fixing frame 606, the fixing frame 606 is rotated through the bearing, and the third screw rod 607 is connected with the lead block 611 through the thread on the third screw rod 607, so that the third screw rod 607 can rotate to drive the lead block 611 to slide back and forth, the pull rope 604 connected with the lead block 611 in a sliding manner can be uniformly distributed on the winding shaft 603, and through the sliding connection of the third guide rod 609 fixed on the fixing frame 606 and the lead block 611, the lead block 611 can be prevented from being driven to rotate when the third screw rod 607 rotates, because the first gear 605 fixed on the winding shaft 603 is meshed with the second gear 608 fixed on the third screw rod 607, therefore, the wire block 611 can be driven to slide back and forth when the pull rope 604 is wound, the pull rope 604 can be conveniently and uniformly wound on the winding shaft 603, dirt on the pull rope 604 can be cleaned when the pull rope 604 is retracted through the cleaning ring 610 fixed on the wire block 611, when the unmanned aerial vehicle body 1 is descended to the ground and materials need to be taken down, the second motor 602 works again, the pull rope 604 drives the fixed block 701 to ascend, when the materials are hoisted, the fixed block 701 is ascended to a state that the collision block 703 and the wire block 611 are not collided, the materials are prevented from automatically falling off from the fixed block 701, then when an area needing to be unloaded descends, after the pull rope 604 ascends for a distance again, the collision block collides with the wire block 611, the second sliding block 702 fixed at the bottom end of the collision block 703 can be driven to slide downwards, and the fixing column 704 fixed on the second sliding block 702 can be driven to slide downwards, since the fixing sleeve 706 is rotated in the fixing block 701, the fixing sleeve 706 is fixedly connected with the fixing hook 709 by the fixing rod 708, therefore, when the fixing post 704 slides downwards, the fixing hook 709 can be slidably connected with the sliding groove 705, it is possible to automatically rotate the fixing hook 709 open by the torsion force of the second torsion spring 707 fixed in the fixing sleeve 706, so that the materials can be automatically lowered, the fixed column 704 can be prevented from automatically sliding downwards by the elastic force of the third spring 710 fixed on the second sliding block 702, when the unmanned aerial vehicle body 1 falls on the ground, a period of time is required for starting up and running again, and the personnel who take the goods and materials are easy to be injured under the working state, so the interference between the interference block 703 and the wire block 611 can ensure that when the unmanned aerial vehicle body 1 lands on the ground, put down the goods and materials automatically, can take out the goods and materials and use after unmanned aerial vehicle body 1 leaves.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The large unmanned aerial vehicle suitable for lifting in different terrains is characterized by comprising an unmanned aerial vehicle body (1), wherein a telescopic structure (2) is mounted on the unmanned aerial vehicle body (1), a supporting structure (3) is mounted on the telescopic structure (2), a protective structure (4) is mounted on the unmanned aerial vehicle body (1), a connecting structure (5) is mounted on the protective structure (4), a winding structure (6) is mounted on the unmanned aerial vehicle body (1), and a fixing structure (7) is mounted on the winding structure (6);

extending structure (2) are including fixing base (201), unmanned aerial vehicle body (1) bottom is a plurality of fixing bases (201) of symmetrical relation fixedly connected with, install first motor (202) in fixing base (201), first bracing piece (203) of fixing base (201) bottom fixedly connected with, first bracing piece (203) internal rotation is connected with first lead screw (204), the output fixed connection of shaft coupling and first motor (202) is passed through in first lead screw (204), sliding connection has second bracing piece (205) in first bracing piece (203), second bracing piece (205) and first lead screw (204) threaded connection, second bracing piece (205) bottom fixedly connected with base (206).

2. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 1, wherein: bearing structure (3) include second lead screw (301), sliding connection has second lead screw (301) in first lead screw (204), the first spacing piece of fixedly connected with (302) is gone up in second lead screw (301), threaded connection has screw ring (303) on second lead screw (301), fixedly connected with supporting seat (304) is gone up in screw ring (303), it is connected with gyro wheel (305) to rotate on supporting seat (304), it is connected with backup pad (306) to rotate on base (206), backup pad (306) and gyro wheel (305) are contradicted, backup pad (306) and supporting seat (304) are rotated the department and are installed first torsional spring (307).

3. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 2, wherein: the first limiting piece (302) is of a cuboid-shaped structure, and the second screw rod (301) is rotatably connected with the second supporting rod (205) through a bearing.

4. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 1, wherein: protective structure (4) include first guard plate (401), first guard plate (401) of unmanned aerial vehicle body (1) bottom fixedly connected with, first guard plate (401) bottom sliding connection has second guard plate (402), sliding connection has first slider (403) in second guard plate (402), fixedly connected with splint (404) on first slider (403), first spring (405) of fixedly connected with between first slider (403) and second guard plate (402), first guide arm (406) of fixedly connected with in second guard plate (402), first guide arm (406) and first slider (403) sliding connection.

5. A large unmanned aerial vehicle adapted to be lifted and dropped on different terrains according to claim 4, wherein: the anti-collision device is characterized in that a touch rod (407) is connected in the second protection plate (402) in a sliding mode, a clamping block (408) is fixedly connected to the touch rod (407), a second spring (409) is fixedly connected between the touch rod (407) and the second protection plate (402), and a second guide rod (410) is fixedly connected to the touch rod (407).

6. A large unmanned aerial vehicle adapted to be lifted and dropped on different terrains according to claim 5, wherein: the clamping block (408) is abutted against the first slider (403), the section of the side end of the clamping block (408) is arc-shaped, and the section of the top end of the first slider (403) is arc-shaped.

7. A large unmanned aerial vehicle adapted to be lifted and dropped on different terrains according to claim 4, wherein: connection structure (5) include head rod (501), fixedly connected with head rod (501) are gone up in first guard plate (401), fixedly connected with second spacing piece (502) are gone up in head rod (501), fixedly connected with second connecting rod (503) are gone up in second bracing piece (205), fixedly connected with third connecting rod (504) are gone up in second connecting rod (503), fixedly connected with fourth connecting rod (505) are gone up in second guard plate (402), third connecting rod (504) and fourth connecting rod (505) sliding connection, spacing piece of fixedly connected with third (506) are gone up in third connecting rod (504).

8. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 1, wherein: the winding structure (6) comprises a winding block (601), the bottom end of the unmanned aerial vehicle body (1) is fixedly connected with the winding block (601), a second motor (602) is installed in the winding block (601), the output end of the second motor (602) is connected with a winding shaft (603) through a coupler, and a pull rope (604) is wound on the winding shaft (603).

9. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 8, wherein: fixedly connected with first gear (605) on rolling axle (603), roll up piece (601) bottom fixedly connected with mount (606), mount (606) are connected with third lead screw (607) through the bearing rotation, fixedly connected with second gear (608) on third lead screw (607), first gear (605) and second gear (608) meshing, threaded connection has wire piece (611) on third lead screw (607), fixedly connected with third guide arm (609) on mount (606), third guide arm (609) and wire piece (611) sliding connection, wire piece (611) bottom fixedly connected with clearance ring (610), clearance ring (610) and stay cord (604) sliding connection.

10. A large unmanned aerial vehicle adapted to be lifted and lowered on different terrains according to claim 8, wherein: fixed knot constructs (7) including fixed block (701), stay cord (604) bottom fixedly connected with fixed block (701), sliding connection has second slider (702) in fixed block (701), fixedly connected with is to touch piece (703) on second slider (702), second slider (702) bottom fixedly connected with fixed column (704), be equipped with spout (705) in fixed column (704), fixed block (701) internal rotation is connected with fixed cover (706), fixed cover (706) and fixed block (701) rotation department install second torsional spring (707), fixedly connected with dead lever (708) on fixed cover (706), fixedly connected with fixed hook (709) on dead lever (708), fixedly connected with third spring (710) between fixed block (701) and second slider (702).