Assembly type undercarriage for unmanned aerial vehicle

Abstract

The assembly type undercarriage for the unmanned aerial vehicle comprises two first fixing rods, the left ends and the right ends of the first fixing rods are connected with second fixing rods through two-way connecting pipes respectively, and the bottom ends of the two second fixing rods located on the same side of the first fixing rods are connected to the same third fixing rod through four-way connecting pipes respectively. Bent rods are detachably inserted into the front end and the rear end of the third fixing rod respectively, a connecting rod is connected between the two four-way connecting pipes located under the first fixing rod, and the first fixing rod, the second fixing rod, the third fixing rod, the connecting rod and the bent rods are all of hollow tubular structures and are made of titanium alloy. The first fixing rod is sleeved with two mounting supports, and the mounting supports are connected with the unmanned aerial vehicle body through fixing bolts. According to the device, the assembly type undercarriage is adopted, the assembly process is simple and convenient, time and labor are saved, the assembly firmness of all connecting parts is high, the overall stability of the device is good, and the portability and practicability of the device are high.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially relates to a kind of assembly type landing gear for unmanned plane. BACKGROUND

[0002] Unmanned plane is the unmanned aircraft using radio remote control equipment and self-provided program control device to manipulate, or by vehicle-mounted computer completely or intermittently autonomously operate, compared with manned aircraft, unmanned plane is more suitable for those "stupid, dirty or dangerous" task, unmanned plane can be divided into military and civilian according to application field.Landing gear is the important component of unmanned plane, its main role includes support, buffering and protection.When unmanned plane lands, landing gear can reduce body vibration, protect body and internal equipment;During take-off and taxiing, landing gear provides necessary support force and stability;In addition, landing gear can also protect key components such as engine, fuel tank from ground impact.

[0003] At present, landing gear and unmanned plane body are mostly welded fixed in prior art, and landing gear itself is integral structure, which is inconvenient to carry and transport, reduces use portability, and the assembly process of part of the assemblable landing gear is tedious, time-consuming and laborious;Therefore, we design a kind of assembly type landing gear for unmanned plane. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of assembly type landing gear for unmanned plane to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An assembly type landing gear for unmanned plane, including two mutually parallel first fixed rods, the left and right ends of the first fixed rod are connected with second fixed rod through two-way connector, the bottom ends of the two second fixed rods located on the same side of the first fixed rod are connected to the same third fixed rod through four-way connector, the front and rear ends of the third fixed rod are detachably inserted with bent rod, the two four-way connectors located directly below the first fixed rod are connected with connecting rod, the first fixed rod, second fixed rod, third fixed rod, connecting rod and bent rod are all hollow tubular structure, and the material is titanium alloy, the outside of the first fixed rod and close to its left and right ends are respectively provided with two mounting brackets, the mounting bracket is connected with unmanned plane body through fixed bolt, one end of the bent rod is curved upwards, the other end is provided with connecting connector, the outer diameter of the connecting connector is equal to the inner diameter of the third fixed rod, the surface of the connecting connector is provided with inner positioning hole, the surface of the third fixed rod is provided with outer positioning hole corresponding to the inner positioning hole, and the outer positioning hole and the inner positioning hole are jointly inserted with first positioning pin.

[0007] As a preferred scheme of the utility model: one end surface of the mounting support is provided with a through hole for the first fixed rod to pass through, one side of the through hole near the edge is provided with a slit opening I, both sides of the slit opening I are respectively provided with a first male sleeve and a first female sleeve, matched fastening bolts are inserted and assembled in the first male sleeve and the first female sleeve, a first displacement slot for the fastening bolts to pass through is formed in the inner side wall of the through hole, a first positioning slot is formed in the outer side surface of the first fixed rod for the rod body of the fastening bolt to embed.

[0008] As a further preferred scheme of the utility model: the two-way connector pipe is connected by the first connecting pipe and the second connecting pipe, the included angle of the first connecting pipe and the second connecting pipe is obtuse, and two triangular side plates are arranged on the outer side surface of the obtuse angle, a slit opening II is formed in the pipe body of the two-way connector pipe along the length direction, a plurality of second male sleeves and second female sleeves are arranged on both sides of the slit opening II, matched fastening screws A are inserted and assembled in the second male sleeves and the second female sleeves, a plug hole corresponding to the second male sleeve is formed in the outer side surface of one of the triangular side plates, a first placing groove corresponding to the second female sleeve is formed in the outer side surface of the other triangular side plate, the plug hole is for the fastening screw A to insert, a third displacement slot for the fastening screw A to pass through is formed in the inner side wall of the two-way connector pipe, the rod body of the first fixed rod and the rod body of the second fixed rod are both provided with a third positioning slot for the rod body of the fastening screw A to embed.

[0009] As a further preferred scheme of the utility model: the four-way connector pipe comprises a third connecting pipe, a fourth connecting pipe and a fifth connecting pipe, the fourth connecting pipe is fixedly sleeved on the outside of the third fixed rod through a second positioning pin, the third connecting pipe is sleeved on the bottom end of the second fixed rod, and the fifth connecting pipe is fixedly sleeved on one end of the connecting rod through a third positioning pin, a slit opening III is formed in the pipe body of the third connecting pipe along the length direction, a third male sleeve and a third female sleeve are arranged on both sides of the slit opening III, matched fastening screws B are inserted and assembled in the third male sleeve and the third female sleeve, a second displacement slot for the fastening screw B to pass through is formed in the inner side wall of the third connecting pipe, and the rod body of the second fixed rod is provided with a second positioning slot for the rod body of the fastening screw B to embed.

[0010] As a further preferred scheme of the utility model: the first placing groove is a hexagonal structure, a first hexagonal nut is arranged in the first placing groove, and the first hexagonal nut is matched with the fastening screw A.

[0011] As a further preferred scheme of the utility model: the third female sleeve is provided with a second placing groove at one end away from the third male sleeve, a second hexagonal nut is arranged in the second placing groove, four side walls are arranged in the second placing groove, and the outer side surface of the second hexagonal nut is matched with the four side walls, and the second hexagonal nut is matched with the fastening screw B.

[0012] As a further preferred scheme of the utility model: the third connecting pipe is arranged in the middle of the pipe body of the fourth connecting pipe, and the fifth connecting pipe is arranged in the middle of the pipe body of the third connecting pipe, and the third connecting pipe, the fourth connecting pipe and the fifth connecting pipe are arranged in communication with each other.

[0013] The utility model has the advantages of:

[0014] 1, the device is used, and the fastening bolt is tightened, the cooperation of the first male sleeve and the first female sleeve makes the installation support and the first fixed rod connect firmly, simultaneously, the rod body of the fastening bolt is embedded in the first positioning slot, and the first fixed rod is positioned again, and the installation stability is improved, through the arrangement of the plurality of two-way connecting pipes and the plurality of four-way connecting pipes, when the staff tightens the fastening screw A, under the cooperation of the second male sleeve and the second female sleeve and the two triangular side plates, the first fixed rod and the second fixed rod can be clamped, simultaneously, the rod body of the plurality of fastening screws A is embedded in the corresponding third positioning slot, and the first fixed rod and the second fixed rod are positioned again, and the installation stability is improved, when the staff tightens the fastening screw B, under the cooperation of the third male sleeve and the third female sleeve, the second fixed rod can be clamped, simultaneously, the rod body of the fastening screw B is embedded in the second positioning slot, and the second fixed rod is positioned again.

[0015] 2, the arrangement of the bend rod in the device makes the two ends of the third fixed rod be upturned, which is convenient for contacting the ground, and the bend rod and the third fixed rod adopt a split type design, which avoids the inconvenience of installation of an integral structure and is convenient to use.

[0016] 3, the device is provided with the first placing groove and the second placing groove of hexagonal structure, the first placing groove and the second placing groove are used for placing the first hexagonal nut and the second hexagonal nut and limiting the first hexagonal nut and the second hexagonal nut, this design is convenient for screwing the fastening screw A and the fastening screw B, and the staff need not manually fix the nut while screwing, and the installation operation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0018] Figure 1 is a perspective view of the overall structure of the utility model;

[0019] Figure 2 is an exploded view of the partial structure of the utility model;

[0020] Figure 3 is an exploded view of the partial structure of the utility model;

[0021] Figure 4 is an exploded view of the partial structure of the utility model;

[0022] Figure 5 is an exploded view of the partial structure of the utility model;

[0023] Figure 6 is an exploded view of the partial structure of the utility model.

[0024] 1, first fixed rod; 2, second fixed rod; 3, third fixed rod; 4, connecting rod; 5, mounting bracket; 6, bent rod; 7, first connecting pipe; 8, second connecting pipe; 9, triangular side plate; 10, third connecting pipe; 11, fourth connecting pipe; 12, fifth connecting pipe; 13, second positioning notch; 14, third positioning notch; 15, first positioning notch; 16, first male sleeve; 17, first female sleeve; 18, fastening bolt; 19, second male sleeve; 20, second female sleeve; 21, first hexagonal nut; 22, first accommodation groove; 23, first placing groove; 24, second accommodation groove; 25, second placing groove; 26, outer positioning hole; 27, inner positioning hole; 28, connecting pipe; 29, third male sleeve; 30, third female sleeve; 31, second hexagonal nut. DETAILED DESCRIPTION

[0025] The utility model will be explained further in detail in combination with the drawings. These drawings are all simplified schematic views, and only schematically show the basic structure of the utility model, so it only shows the structure related to the utility model.

[0026] Please refer to Figures 1-6The utility model discloses an assembly type landing gear for unmanned plane, including two mutually parallel first fixed link 1, and the left and right two ends of first fixed link 1 are connected with second fixed link 2 through two -way connector, and the bottom of two second fixed link 2 on the same side of first fixed link 1 is connected to same third fixed link 3 through four -way connector, and the front and rear two ends of third fixed link 3 are detachably inserted with bent pole 6, and the connecting rod 4 is connected between two four -way connectors below first fixed link 1, and first fixed link 1, second fixed link 2, third fixed link 3, connecting rod 4 and bent pole 6 are all tubular structure of inside hollow, and the material is titanium alloy, and the outside of first fixed link 1 and close to its left and right two ends are respectively equipped with two mounting bracket 5, and mounting bracket 5 is connected with unmanned plane body through fixed bolt, and one end of bent pole 6 is curved and rises upwards, and the other end is equipped with connecting pipe 28, and the outer diameter of connecting pipe 28 is equal to the inner diameter of third fixed link 3, and the surface of connecting pipe 28 is equipped with inner locating hole 27, and the surface of third fixed link 3 is equipped with outer locating hole 26 corresponding with inner locating hole 27, and outer locating hole 26 and inner locating hole 27 are jointly inserted with first locating pin.

[0027] One end surface of mounting bracket 5 is equipped with the through -hole for first fixed link 1 to pass through, and one side of the through -hole near the edge is equipped with the slit opening I, and the two sides of slit opening I are respectively equipped with first male sleeve 16 and first female sleeve 17, and first male sleeve 16 and first female sleeve 17 are inserted with the fastening bolt 18 of adaptation, and the inner side wall of through -hole is equipped with the first let -go slot 22 for fastening bolt 18 to pass through, and the outer side surface of first fixed link 1 is equipped with the first locating slot 15 for the stem of fastening bolt 18 to embed.

[0028] Two -way connector is connected with first connecting pipe 7 and second connecting pipe 8, and the included angle of first connecting pipe 7 and second connecting pipe 8 is obtuse, and two triangular side plates 9 are arranged on the outer side surface of the obtuse angle, and the lower side of the pipe body of two -way connector is equipped with slit opening II along the length direction, and the two sides of slit opening II are equipped with a plurality of second male sleeve 19 and second female sleeve 20, and second male sleeve 19 and second female sleeve 20 are inserted with the fastening screw A of adaptation, and the outer side surface of one of triangular side plates 9 is equipped with the insertion hole corresponding with second male sleeve 19, and the outer side surface of the other triangular side plate 9 is equipped with the first placing groove 23 corresponding with second female sleeve 20, and the insertion hole is inserted with fastening screw A, and the first placing groove 23 is hexagonal structure, and the first placing groove 23 is equipped with the first hexagonal nut 21 of adaptation, and the first hexagonal nut 21 is adapted with fastening screw A, and the inner side wall of two -way connector is equipped with the third let -go slot for fastening screw A to pass through, and the stem of fastening screw A is embedded in the third locating slot 14 of the stem of first fixed link 1 and the stem of second fixed link 2.

[0029] The four-way connector comprises a third connecting pipe 10, a fourth connecting pipe 11 and a fifth connecting pipe 12, the fourth connecting pipe 11 is fixedly sleeved on the outside of the third fixed rod 3 through a second positioning pin, the third connecting pipe 10 is sleeved on the bottom end of the second fixed rod 2, the fifth connecting pipe 12 is fixedly sleeved on one end of the connecting rod 4 through a third positioning pin, the third connecting pipe 10 is arranged in the middle of the pipe body of the fourth connecting pipe 11, the fifth connecting pipe 12 is arranged in the middle of the pipe body of the third connecting pipe 10, the third connecting pipe 10, the fourth connecting pipe 11 and the fifth connecting pipe 12 are arranged in communication with each other, a slit opening III is formed in the pipe body of the third connecting pipe 10 along the length direction of the third connecting pipe 10, a third male sleeve 29 and a third female sleeve 30 are arranged on the two sides of the slit opening III, a fastening screw B is inserted into the third male sleeve 29 and the third female sleeve 30, a second placing groove 25 is formed in the end of the third female sleeve 30 away from the third male sleeve 29, a second hexagonal nut 31 is arranged in the second placing groove 25, the inside of the second placing groove 25 is provided with four side walls which are in conformity with the outer side surface of the second hexagonal nut 31, the second hexagonal nut 31 is matched with the fastening screw B, a second accommodating groove 24 is formed in the inner side wall of the third connecting pipe 10 for the fastening screw B to pass through, and a second positioning groove 13 is formed in the rod body of the second fixed rod 2 for the rod body of the fastening screw B to be embedded.

[0030] Specifically, when the device is in use, the fastening bolt 18 is tightened, the first male sleeve 16 and the first female sleeve 17 are matched to connect the mounting bracket 5 and the first fixed rod 1 firmly, meanwhile, the rod body of the fastening bolt 18 is embedded in the first positioning groove 15 to position the first fixed rod 1 and improve the installation stability; when the fastening screw A is tightened by the workers, the second male sleeve 19, the second female sleeve 20 and the two triangular side plates 9 are matched to clamp the first fixed rod 1 and the second fixed rod 2, meanwhile, the rod bodies of the plurality of fastening screws A are embedded in the corresponding third positioning grooves 14 to position the first fixed rod 1 and the second fixed rod 2 and improve the installation stability; when the fastening screw B is tightened by the workers, the third male sleeve 29 and the third female sleeve 30 are matched to clamp the second fixed rod 2, meanwhile, the rod body of the fastening screw B is embedded in the second positioning groove 13 to position the second fixed rod 2 again.

[0031] The two ends of the third fixed rod 3 are upturned to facilitate contact with the ground, and the device can be assembled after the four-way connector and the third fixed rod 3 are installed, the bent rod 6 and the third fixed rod 3 are designed in a split type to avoid the inconvenience caused by the integrated structure and facilitate use.

[0032] The device is provided with the first placing groove 23 and the second placing groove 25 of hexagonal structure, which are used for placing and limiting the first hexagonal nut 21 and the second hexagonal nut 31, and the design is convenient for screwing the fastening screw A and the fastening screw B, and the staff does not need to manually fix the nut while screwing, thereby improving the installation operation convenience.

[0033] To sum up, the device adopts the assembled landing gear, the assembling process is simple and convenient, time and labor are saved, the assembling firmness of each connecting part is high, the overall stability of the device is good, and the device is high in portability and practicality.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A prefabricated landing gear for an unmanned aerial vehicle (UAV), comprising two first fixed rods (1) arranged parallel to each other; characterized in that: The left and right ends of the first fixing rod (1) are respectively connected to the second fixing rod (2) through two-way connectors. The bottom ends of the two second fixing rods (2) located on the same side of the first fixing rod (1) are respectively connected to the same third fixing rod (3) through four-way connectors. The front and rear ends of the third fixing rod (3) are respectively detachably fitted with bent rods (6). A connecting rod (4) is connected between the two four-way connectors located directly below the first fixing rod (1). The first fixing rod (1), the second fixing rod (2), the third fixing rod (3), the connecting rod (4) and the bent rod (6) are all hollow tubular structures and are all made of titanium alloy. Two mounting brackets (5) are respectively fitted on the outside of the first fixing rod (1) and near its left and right ends. The mounting brackets (5) are connected to the UAV body by fixing bolts. One end of the bent rod (6) is bent upward and the other end is provided with a connecting tube (28). The outer diameter of the connecting tube (28) is equal to the inner diameter of the third fixing rod (3). The surface of the connecting tube (28) is provided with an inner positioning hole (27). The surface of the third fixing rod (3) is provided with an outer positioning hole (26) corresponding to the inner positioning hole (27). The outer positioning hole (26) and the inner positioning hole (27) are both fitted with a first positioning pin.

2. The assembled landing gear for a drone according to claim 1, characterized in that: One end surface of the mounting bracket (5) is provided with a through hole for the first fixing rod (1) to pass through. A slit opening I is provided on one side of the through hole near the edge. A first male sleeve (16) and a first female sleeve (17) are provided on both sides of the slit opening I. A matching fastening bolt (18) is inserted into the first male sleeve (16) and the first female sleeve (17). A first clearance groove (22) is provided on the inner side wall of the through hole for the fastening bolt (18) to pass through. A first positioning groove (15) is provided on the outer surface of the first fixing rod (1) for the rod body of the fastening bolt (18) to be embedded.

3. The assembled landing gear for a drone according to claim 2, characterized in that: The two-way connector is formed by connecting a first connecting pipe (7) and a second connecting pipe (8). The included angle between the first connecting pipe (7) and the second connecting pipe (8) is an obtuse angle, and two triangular side plates (9) are provided on the outer surface of the obtuse angle. A slit opening II is provided on the lower side of the two-way connector along its length. Multiple second male sleeves (19) and second female sleeves (20) are provided on both sides of the slit opening II. Matching fastening screws are inserted into the second male sleeves (19) and the second female sleeves (20). The outer surface of one of the triangular side plates (9) is provided with a hole corresponding to the second male sleeve (19), and the outer surface of the other triangular side plate (9) is provided with a first placement groove (23) corresponding to the second female sleeve (20). The hole is for inserting the fastening screw A. The inner wall of the two-way connector is provided with a third clearance groove for the fastening screw A to pass through. The rod body of the first fixing rod (1) and the rod body of the second fixing rod (2) are both provided with a third positioning groove (14) for the rod body of the fastening screw A to be embedded.

4. The assembled landing gear for a drone according to claim 3, characterized in that: The four-way connector includes a third connecting pipe (10), a fourth connecting pipe (11), and a fifth connecting pipe (12). The fourth connecting pipe (11) is fixedly sleeved on the outside of the third fixing rod (3) by a second positioning pin. The third connecting pipe (10) is sleeved on the bottom end of the second fixing rod (2). The fifth connecting pipe (12) is fixedly sleeved on one end of the connecting rod (4) by a third positioning pin. The tube body of the third connecting pipe (10) has a slit opening III along its length direction. The two sides of the slit opening III are provided with a third male sleeve (29) and a third female sleeve (30). The third male sleeve (29) and the third female sleeve (30) are fitted with matching fastening screws B. The inner side wall of the third connecting pipe (10) has a second clearance groove (24) for the fastening screws B to pass through. The rod body of the second fixing rod (2) has a second positioning groove (13) for the rod body of the fastening screws B to be embedded in.

5. The assembled landing gear for a drone according to claim 3, characterized in that: The first placement groove (23) has a hexagonal structure and a first hexagonal nut (21) is provided in the first placement groove (23). The first hexagonal nut (21) is compatible with the fastening screw A.

6. The assembled landing gear for a drone according to claim 4, characterized in that: The third female sleeve (30) has a second placement groove (25) at the end away from the third male sleeve (29). The second placement groove (25) is provided with a second hexagonal nut (31) that is compatible with it. The interior of the second placement groove (25) is provided with four side walls, and the four side walls match the outer surface of the second hexagonal nut (31). The second hexagonal nut (31) is compatible with the fastening screw B.

7. The assembled landing gear for a drone according to claim 6, characterized in that: The third connecting pipe (10) is located in the middle of the body of the fourth connecting pipe (11), and the fifth connecting pipe (12) is located in the middle of the body of the third connecting pipe (10). The third connecting pipe (10), the fourth connecting pipe (11) and the fifth connecting pipe (12) are interconnected.

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