A level-adjustable chassis for landing a surveying and mapping UAV

Abstract

The present invention relates to the technical field of unmanned aerial vehicle chassis, and specifically to a horizontal adjustment chassis for landing of a surveying and mapping unmanned aerial vehicle, comprising a chassis tube of the surveying and mapping unmanned aerial vehicle and a support rod connected above the chassis tube of the surveying and mapping unmanned aerial vehicle, both ends of the chassis tube of the surveying and mapping unmanned aerial vehicle are installed with rubber pad groups through a clamping mechanism, and the chassis tube of the surveying and mapping unmanned aerial vehicle and the support rod are connected through a buffer adjustment seat; the beneficial effects are: the horizontal adjustment chassis for landing of the surveying and mapping unmanned aerial vehicle proposed by the present invention is connected to the support rod through the buffer adjustment seat, and after the chassis tube of the surveying and mapping unmanned aerial vehicle lands, the buffer adjustment seat plays a buffering role, and the rubber pad group at the end of the chassis tube of the surveying and mapping unmanned aerial vehicle is fixed by a clamping mechanism, the replacement operation is simple and convenient, and the rubber pad group is firmly installed.

Description

Technical Field

[0001] The invention relates to the technical field of unmanned aerial vehicle chassis, in particular to a level-adjusting chassis for landing of a surveying and mapping unmanned aerial vehicle. Background Art

[0002] UAV aerial survey is a powerful supplement to traditional aerial photogrammetry. It has the characteristics of mobility, high efficiency, precision and accuracy, low operating cost, wide range of applications and short production cycle.

[0003] In the prior art, a chassis is configured at the bottom of the surveying and mapping UAV. When the surveying and mapping UAV lands, the chassis touches the ground first to achieve a smooth landing of the surveying and mapping UAV, and a rubber pad is sleeved on the end of the chassis to play a buffering role.

[0004] However, the elastic extension distance of the rubber pad is limited, the cushioning effect is poor, and the rubber pad is a consumable item. The rubber pads on the two sets of chassis surfaces have different degrees of wear, resulting in poor levelness of the mapping UAV chassis after landing, and the rubber pads are cumbersome to fix when replaced. Summary of the invention

[0005] The purpose of the present invention is to provide a level-adjustable chassis for landing a surveying and mapping UAV, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a horizontal adjustment chassis for landing a surveying and mapping UAV, comprising a surveying and mapping UAV chassis tube and a support rod connected above the surveying and mapping UAV chassis tube, both ends of the surveying and mapping UAV chassis tube are installed with rubber pad groups through a clamping mechanism, and the surveying and mapping UAV chassis tube and the support rod are connected through a buffer adjustment seat.

[0007] Preferably, the rubber pad group includes a rubber introduction cover, a rubber pad sleeve, a pad block, an introduction head and an offset assembly piece, the pad block is fixed on the surface of the introduction head, the circular surface diameter of the introduction head is larger than the circular surface diameter of the pad block, the introduction head is inserted into the end pipe opening of the surveying and mapping UAV chassis tube, and the arc side wall of the introduction head is provided with a plurality of offset assembly pieces, and the long side length of the offset assembly piece is smaller than the height of the introduction head.

[0008] Preferably, the rubber gasket is sleeved on the outside of the gasket block, the rubber introduction cover is integrally formed on one end of the rubber gasket, and the rubber introduction cover is sleeved on the outside of the introduction head, and the long side length of the rubber introduction cover is greater than the long side length of the introduction head.

[0009] Preferably, the clamping mechanism includes reinforcing ribs, mounting grooves, perforations, extrusion blocks, elastic rubber connecting rings, clamping blocks, rubber pads and introduction grooves. The introduction grooves are annular grooves, which are arranged on the end annular surface of the surveying and mapping UAV chassis tube. One end of the rubber introduction cover is inserted into the introduction groove. A plurality of reinforcing ribs are provided, and the plurality of reinforcing ribs are arranged along the inner annular surface of the surveying and mapping UAV chassis tube. The long side length of the reinforcing ribs is equal to the long side length of the surveying and mapping UAV chassis tube. After the introduction head is inserted into the pipe mouth of the surveying and mapping UAV chassis tube, the reinforcing ribs and the perforations are staggered and spliced.

[0010] Preferably, the mounting groove is opened on the inner annular surface of the surveying and mapping UAV chassis tube, and two groups of mounting grooves are provided. The two groups of mounting grooves are symmetrically distributed about the long side center of the surveying and mapping UAV chassis tube. The surface of the mounting groove is opened with a perforation, and the perforation passes through the outer annular surface of the surveying and mapping UAV chassis tube. An extrusion block is movably inserted inside the mounting groove, and the extrusion block and the mounting groove are connected by an elastic rubber connecting ring. The extrusion block is a right-angle trapezoidal block, and the inclined surface of the extrusion block is inside the surveying and mapping UAV chassis tube and faces the side of the tube opening of the surveying and mapping UAV chassis tube.

[0011] Preferably, two groups of clamping blocks are movably inserted inside the perforation, the two groups of clamping blocks are parallel, the clamping blocks are fixed on the surface of the extrusion block, and a "V"-shaped groove is provided at one end of the clamping block facing the outside of the chassis tube of the surveying and mapping UAV, and the rubber pad is fixed in the "V"-shaped groove.

[0012] Preferably, after the rubber introduction cover is inserted into the introduction groove, the introduction head is inserted into the pipe mouth of the surveying and mapping UAV chassis pipe and pushed through the introduction head. The introduction head squeezes the squeezing block to drive the clamping block to clamp and limit the rubber introduction cover inside the introduction groove.

[0013] Preferably, the buffer adjustment seat includes a mounting seat, a lifting seat, a support plate, an elastic wing plate, a clip strip, a clip slot and a pull ring. The mounting seat is a "U"-shaped seat, and the bottom surface of the mounting seat is an arc-shaped curved surface, which is connected to the outer wall of the chassis tube of the mapping UAV. The lifting seat is slidably connected in the groove body of the mounting seat, the support plate is fixed to the top surface of the lifting seat, and the top surface of the support plate is an inclined surface, the support rod is fixed on the inclined surface of the support plate, and two groups of elastic wing plates are symmetrically arranged on the top surface of the support plate, and clip strips are arranged on the opposite sides of the two groups of elastic wing plates, and the clip strips are right-angled trapezoidal strips with the inclined surfaces of the clip strips facing downward. A clip slot is integrally formed on the side panel of the mounting seat, and the clip slot and the clip strip match, and a pull ring is arranged on the surface of the elastic wing plate, and the pull ring and the clip strip are symmetrically distributed about the elastic wing plate.

[0014] Preferably, the buffer adjustment seat also includes a guide groove, a block, a damping gasket and a connecting plate. The guide groove is opened on the surface of the lifting seat. Two groups of guide grooves are provided. The two groups of guide grooves are symmetrically distributed about the lifting seat. The block is slidably connected in the guide groove. The damping gasket is provided at one end of the block located on the inner side of the guide groove. The other end of the block is fixed to the surface of the connecting plate. The connecting plate is installed between the two side plates of the lifting seat.

[0015] Preferably, the buffer adjustment seat includes a through-hole, a spring and a guide rod, the through-hole passes through the lifting seat, the guide rod is inserted into the through-hole, and the bottom end of the guide rod is fixed to the top surface of the bottom plate of the mounting seat, and the outer side of the guide rod is sleeved with a spring, which is fixed between the lifting seat and the bottom plate of the mounting seat.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The horizontal adjustment base frame for landing of the surveying and mapping UAV proposed by the present invention is connected to the support rod through the buffer adjustment seat. After the base frame tube of the surveying and mapping UAV lands, the buffer adjustment seat plays a buffering role, and the rubber pad group at the end of the base frame tube of the surveying and mapping UAV is fixed by a clamping mechanism. The replacement operation is simple and convenient, and the rubber pad group is firmly installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the surveying and mapping UAV chassis tube end after being cut open;

[0020] Figure 3 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 4 This is a schematic diagram of the structure of the introduction slot of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the buffer adjustment seat of the present invention;

[0023] Figure 6 It is a schematic diagram of the extrusion block and the extrusion block connection structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the introduction head of the present invention;

[0025] Figure 8 This is a schematic diagram of the structure of the buffer adjustment seat after being cut open.

[0026] In the figure: the chassis tube 1 of the surveying and mapping UAV, the reinforcing ribs 2, the mounting grooves 3, the perforations 4, the extrusion blocks 5, the elastic rubber connecting rings 6, the clamping blocks 7, the rubber pads 8, the introduction grooves 9, the rubber introduction covers 10, the rubber pads 11, the pads 12, the introduction heads 13, the displaced assembly pieces 14, the mounting seats 15, the lifting seats 16, the support plates 17, the elastic wing plates 18, the card strips 19, the card grooves 20, the pull rings 21, the guide grooves 22, the stoppers 23, the damping gaskets 24, the connecting plates 25, the perforations 26, the springs 27, the support rods 28 and the guide rods 29. DETAILED DESCRIPTION

[0027] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1

[0029] See also Figure 1 The present invention provides a technical solution: a horizontal adjustment chassis for landing of a surveying and mapping UAV, comprising a surveying and mapping UAV chassis tube 1 and a support rod 28 connected above the surveying and mapping UAV chassis tube 1, both ends of the surveying and mapping UAV chassis tube 1 are installed with rubber pad groups through a clamping mechanism, and the surveying and mapping UAV chassis tube 1 and the support rod 28 are connected through a buffer adjustment seat; the support rod is connected through the buffer adjustment seat, and after the surveying and mapping UAV chassis tube 1 lands, the buffer adjustment seat plays a buffering role, and the rubber pad group at the end of the surveying and mapping UAV chassis tube 1 is fixed by a clamping mechanism, the replacement operation is simple and convenient, and the rubber pad group is firmly installed.

[0030] Embodiment 2

[0031] See attached Figure 2 , Figure 4 as well as Figure 7On the basis of the first embodiment, in order to realize the installation of the rubber parts, the rubber pad group includes a rubber introduction cover 10, a rubber pad sleeve 11, a cushion block 12, an introduction head 13 and an offset assembly piece 14, the cushion block 12 is fixed on the surface of the introduction head 13, the circular surface diameter of the introduction head 13 is larger than the circular surface diameter of the cushion block 12, the introduction head 13 is inserted into the end pipe opening of the surveying and mapping UAV chassis pipe 1, and the arc side wall of the introduction head 13 is provided with a plurality of offset assembly pieces 14, the long side length of the offset assembly piece 14 is less than the height of the introduction head 13; the rubber pad sleeve 11 is sleeved on the outside of the cushion block 12, the rubber introduction cover 10 is integrally formed at one end of the rubber pad sleeve 11, and the rubber introduction cover 10 is sleeved on the outside of the introduction head 13, and the long side length of the rubber introduction cover 10 is greater than the long side length of the introduction head 13.

[0032] Embodiment 3

[0033] On the basis of the second embodiment, in order to achieve the clamping and fixing of the rubber introduction cover 10, the clamping mechanism includes a reinforcing rib 2, an installation groove 3, a perforation 4, an extrusion block 5, an elastic rubber connecting ring 6, a clamping block 7, a rubber pad 8 and an introduction groove 9. The introduction groove 9 is an annular groove. The introduction groove 9 is arranged on the end annular surface of the surveying and mapping UAV chassis tube 1. One end of the rubber introduction cover 10 is inserted into the introduction groove 9. A plurality of reinforcing ribs 2 are provided. The plurality of reinforcing ribs 2 are arranged along the inner annular surface of the surveying and mapping UAV chassis tube 1. The long side length of the reinforcing rib 2 is equal to the long side length of the surveying and mapping UAV chassis tube 1. After the introduction head 13 is inserted into the pipe mouth of the surveying and mapping UAV chassis tube 1, the reinforcing rib 2 and the perforation 4 are staggered and spliced; the installation groove 3 is arranged on the inner annular surface of the surveying and mapping UAV chassis tube 1. There are two groups of installation grooves 3. The two groups of installation grooves 3 are symmetrically distributed about the long side center of the surveying and mapping UAV chassis tube 1. A perforation 4 is provided on the surface of the groove 3, and the perforation 4 passes through the outer ring surface of the surveying and mapping UAV chassis tube 1. An extrusion block 5 is movably inserted inside the mounting groove 3, and the extrusion block 5 and the mounting groove 3 are connected by an elastic rubber connecting ring 6. The extrusion block 5 is a right-angle trapezoidal block, and the inclined surface of the extrusion block 5 is inside the surveying and mapping UAV chassis tube 1 and faces the side of the pipe opening of the surveying and mapping UAV chassis tube 1. Two groups of clamping blocks 7 are movably inserted inside the perforation 4, and the two groups of clamping blocks 7 are parallel. The clamping blocks 7 are fixed on the surface of the extrusion block 5, and a "V"-shaped groove is provided at one end of the clamping block 7 facing the outside of the surveying and mapping UAV chassis tube 1, and the rubber pad 8 is fixed in the "V"-shaped groove; after the rubber introduction cover 10 is inserted into the introduction groove 9, the introduction head 13 is inserted into the pipe opening of the surveying and mapping UAV chassis tube 1 and pushed through the introduction head 13, and the introduction head 13 squeezes the extrusion block 5 to drive the clamping block 7 to clamp and limit the rubber introduction cover 10 on the inner side of the introduction groove 9.

[0034] Embodiment 4

[0035] See attached Figure 5 , Figure 6 as well as Figure 8On the basis of the third embodiment, in order to achieve the buffering of the surveying and mapping UAV chassis tube 1 when it lands, the buffering adjustment seat includes a mounting seat 15, a lifting seat 16, a support plate 17, an elastic wing plate 18, a clamping strip 19, a clamping groove 20 and a pull ring 21. The mounting seat 15 is a "U"-shaped seat, and the bottom surface of the mounting seat 15 is an arc-shaped curved surface, which is connected to the outer wall of the surveying and mapping UAV chassis tube 1. The lifting seat 16 is slidably connected in the groove body of the mounting seat 15, and the support plate 17 is connected to the outer wall of the surveying and mapping UAV chassis tube 1. 7 is fixed on the top surface of the lifting seat 16, and the top surface of the support plate 17 is an inclined surface, the support rod 28 is fixed on the inclined surface of the support plate 17, and two groups of elastic wing plates 18 are symmetrically arranged on the top surface of the support plate 17, and the two groups of elastic wing plates 18 are arranged on opposite sides with a clamping strip 19, the clamping strip 19 is a right-angle trapezoidal strip, and the inclined surface of the clamping strip 19 faces downward, and a clamping groove 20 is integrally formed on the side plate of the mounting seat 15, and the clamping groove 20 matches the clamping strip 19, and the surface of the elastic wing plate 18 is provided with a pull The ring 21, the pull ring 21 and the card strip 19 are symmetrically distributed about the elastic wing plate 18; the buffer adjustment seat also includes a guide groove 22, a block 23, a damping gasket 24 and a connecting plate 25. The guide groove 22 is opened on the surface of the lifting seat 16. There are two groups of guide grooves 22. The two groups of guide grooves 22 are symmetrically distributed about the lifting seat 16. The block 23 is slidably connected in the guide groove 22. The end of the block 23 located on the inner side of the guide groove 22 is provided with a damping gasket 24. The other end of the block 23 is fixed to the surface of the connecting plate 25. The connecting plate 25 is installed between the two side plates of the lifting seat 16; the buffer adjustment seat also includes a through hole 26, a spring 27 and a guide rod 29. The through hole 26 passes through the lifting seat 16. The guide rod 29 is inserted in the through hole 26, and the bottom end of the guide rod 29 is fixed to the top surface of the bottom plate of the mounting seat 15. The outer side of the guide rod 29 is sleeved with a spring 27, and the spring 27 is fixed between the lifting seat 16 and the bottom plate of the mounting seat 15.

[0036] In actual use, after the rubber cushion sleeve 11 is put on the outside of the cushion block 12, the introduction head 13 at the end of the cushion block 12 is inserted into the pipe mouth of the surveying and mapping UAV chassis tube 1, and one end of the rubber introduction cover 10 is inserted into the introduction groove 9. As the introduction head 13 is pushed forward, the introduction head 13 pushes the extrusion block 5 to drive the clamping block 7 to clamp the rubber introduction cover 10 to prevent the rubber introduction cover 10 from falling loose; and when the UAV equipped with the support rod 28 and the surveying and mapping UAV chassis tube 1 lands, the mounting seat 15 slides along the lifting seat 16 until the card strip 19 is inserted into the card slot 20, so as to achieve landing cushioning for the UAV and prevent the spring 27 from rebounding after cushioning.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal adjustment chassis for landing a surveying and mapping UAV, comprising a chassis tube (1) of the surveying and mapping UAV and a support rod (28) connected above the chassis tube (1) of the surveying and mapping UAV, characterized in that: Both ends of the surveying and mapping UAV chassis tube (1) are equipped with rubber pad groups via a clamping mechanism, and the surveying and mapping UAV chassis tube (1) and the support rod (28) are connected via a buffer adjustment seat; the rubber pad group comprises a rubber introduction cover (10), a rubber pad sleeve (11), a pad (12), an introduction head (13) and a dislocation assembly piece (14); the pad (12) is fixed to the surface of the introduction head (13); the diameter of the circular surface of the introduction head (13) is larger than the diameter of the circular surface of the pad (12); the introduction head (13) is inserted into the surveying and mapping UAV A plurality of offset assembly pieces (14) are provided in the end pipe opening of the base frame pipe (1) and on the arc side wall of the introduction head (13), and the long side length of the offset assembly pieces (14) is less than the height of the introduction head (13); the rubber pad sleeve (11) is sleeved on the outside of the pad block (12), the rubber introduction cover (10) is integrally formed on one end of the rubber pad sleeve (11), and the rubber introduction cover (10) is sleeved on the outside of the introduction head (13), and the long side length of the rubber introduction cover (10) is greater than the long side length of the introduction head (13); the clamping machine The structure comprises a reinforcing rib (2), a mounting groove (3), a perforation (4), an extrusion block (5), an elastic rubber connecting ring (6), a clamping block (7), a rubber pad (8) and an introduction groove (9), wherein the introduction groove (9) is an annular groove, the introduction groove (9) is arranged on the end annular surface of the base tube (1) of the surveying and mapping unmanned aerial vehicle, one end of the rubber introduction cover (10) is inserted into the introduction groove (9), a plurality of reinforcing ribs (2) are arranged, and the plurality of reinforcing ribs (2) are arranged along the inner annular surface of the base tube (1) of the surveying and mapping unmanned aerial vehicle, and the reinforcing ribs ( 2) has a long side length that is equal to the long side length of the surveying and mapping UAV chassis tube (1), and after the introduction head (13) is inserted into the tube mouth of the surveying and mapping UAV chassis tube (1), the reinforcing ribs (2) and the perforations (4) are staggered and spliced; after the rubber introduction cover (10) is inserted into the introduction groove (9), the introduction head (13) is inserted into the tube mouth of the surveying and mapping UAV chassis tube (1) and pushed through the introduction head (13), and the introduction head (13) squeezes the squeezing block (5) to drive the clamping block (7) to clamp and limit the rubber introduction cover (10) inside the introduction groove (9);The buffer adjustment seat comprises a mounting seat (15), a lifting seat (16), a support plate (17), an elastic wing plate (18), a clamping strip (19), a clamping groove (20) and a pull ring (21); the mounting seat (15) is a "U"-shaped seat; the bottom surface of the mounting seat (15) is a circular arc-shaped curved surface, which is connected to the outer wall of the base tube (1) of the surveying and mapping unmanned aerial vehicle; the lifting seat (16) is slidably connected in the groove body of the mounting seat (15); the support plate (17) is fixed to the top surface of the lifting seat (16), and the top surface of the support plate (17) is an inclined surface; the support rod (28) ) is fixed on the inclined surface of the support plate (17), and two groups of elastic wing plates (18) are symmetrically arranged on the top surface of the support plate (17), and a clamping strip (19) is arranged on the opposite side of the two groups of elastic wing plates (18), and the clamping strip (19) is a right-angle trapezoidal strip, and the inclined surface of the clamping strip (19) faces downward, and a clamping groove (20) is integrally formed on the side plate of the mounting seat (15), and the clamping groove (20) and the clamping strip (19) match, and a pull ring (21) is arranged on the surface of the elastic wing plate (18), and the pull ring (21) and the clamping strip (19) are symmetrically distributed about the elastic wing plate (18). ; 2. The horizontal adjustment chassis for landing of a surveying and mapping UAV according to claim 1 is characterized by: The mounting groove (3) is provided on the inner annular surface of the surveying and mapping UAV chassis tube (1), and two groups of mounting grooves (3) are provided. The two groups of mounting grooves (3) are symmetrically distributed about the long side center of the surveying and mapping UAV chassis tube (1). The surface of the mounting groove (3) is provided with a perforation (4), and the perforation (4) penetrates the outer annular surface of the surveying and mapping UAV chassis tube (1). An extrusion block (5) is movably inserted inside the mounting groove (3), and the extrusion block (5) and the mounting groove (3) are connected by an elastic rubber connecting ring (6). The extrusion block (5) is a right-angled trapezoidal block, and the inclined surface of the extrusion block (5) is located inside the surveying and mapping UAV chassis tube (1) and faces the side of the tube opening of the surveying and mapping UAV chassis tube (1).

3. The horizontal adjustment chassis for landing of a surveying and mapping UAV according to claim 2 is characterized by: Two groups of clamping blocks (7) are movably inserted inside the perforations (4), the two groups of clamping blocks (7) are parallel, the clamping blocks (7) are fixed on the surface of the extrusion blocks (5), and one end of the clamping blocks (7) facing the outside of the base tube (1) of the surveying and mapping UAV is provided with a "V"-shaped groove, and the rubber pad (8) is fixed in the "V"-shaped groove.

4. The level-adjustable chassis for landing a surveying and mapping UAV according to claim 3, characterized in that: The buffer adjustment seat further comprises a guide groove (22), a stopper (23), a damping gasket (24) and a connecting plate (25); the guide groove (22) is formed on the surface of the lifting seat (16); two groups of guide grooves (22) are provided, and the two groups of guide grooves (22) are symmetrically distributed about the lifting seat (16); the stopper (23) is slidably connected in the guide groove (22); a damping gasket (24) is provided at one end of the stopper (23) located inside the guide groove (22); the other end of the stopper (23) is fixed to the surface of the connecting plate (25); and the connecting plate (25) is installed between two side plates of the lifting seat (16).

5. The level-adjustable chassis for landing a surveying and mapping UAV according to claim 4, characterized in that: The buffer adjustment seat comprises a through-hole (26), a spring (27) and a guide rod (29); the through-hole (26) passes through the lifting seat (16); the guide rod (29) is inserted into the through-hole (26); the bottom end of the guide rod (29) is fixed to the top surface of the bottom plate of the mounting seat (15); the outer side of the guide rod (29) is sleeved with a spring (27); the spring (27) is fixed between the bottom plates of the lifting seat (16) and the mounting seat (15).

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