CN213948808U

CN213948808U - Foldable traction rod for unmanned aerial vehicle

Info

Publication number: CN213948808U
Application number: CN202022042242.0U
Authority: CN
Inventors: 李开放
Original assignee: Xi'an Qiancheng Aviation Precision Manufacturing Co ltd
Current assignee: Xi'an Qiancheng Aviation Precision Manufacturing Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-08-13
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a foldable traction rod for unmanned aerial vehicle, which comprises a traction hanging ring, a rod body, a roller component and a traction joint component, wherein the traction hanging ring and the traction joint component are respectively arranged at two ends of the rod body; the rod body comprises a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod can be folded quickly through a folding assembly; the mode that the joint assembly passes through the bolt can be rapid and stable butt joint unmanned aerial vehicle's front wheel axle. The utility model provides a prior art traction lever complex operation when using, inefficiency, the difficult problem that removes, accomodate after using, this traction lever structural design is reasonable, easy operation, and it is convenient to preserve and maintain.

Description

Foldable traction rod for unmanned aerial vehicle

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle flight support equipment, concretely relates to folded cascade traction lever for unmanned aerial vehicle.

Background

At present, unmanned aerial vehicles are widely used in the civil and military fields, especially when encountering serious natural disasters, the unmanned aerial vehicles are more difficult to exert unique advantages, in recent years, with the rapid development of unmanned aerial vehicle technologies and equipment, medium-sized and large-sized unmanned aerial vehicles gradually become one of the future development trends of the unmanned aerial vehicles, and the unmanned aerial vehicles need to be moved from a hangar to a runway when executing tasks.

The unmanned aerial vehicle is usually connected to the runway from the garage through a draw bar, and the unmanned aerial vehicle is pulled to move by a towing vehicle. The existing traction forms are roughly divided into two types, one type is single-point traction, and the traction connection point of the single-point traction is on a nose landing gear, namely a traction joint is butted with a front wheel shaft; another type is a three-point or more than three-point type of towing, with towing points on both the nose landing gear and the main landing gear, where the flexible connection is made when connected to the main landing gear. The traction form of three-point traction or more than three-point traction is determined according to the stress condition of the landing gear and other factors, and the unmanned aircraft has the characteristics of complex structure, more components, larger weight and the like, and is expensive, so that the unmanned aircraft without special requirements generally adopts single-point traction. The existing single-point type traction rod has the following defects: firstly, the draw bar is generally longer and is not easy to fold and store; secondly, the draw bar is generally heavy and inconvenient to move; thirdly, the operation of the traction joint is complicated when the traction joint is in butt joint with the front wheel shaft, and the quick connection cannot be completed.

In view of the above, the present inventors have devised a foldable tow bar for an unmanned aerial vehicle to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that exists among the prior art, the utility model aims to provide a folded cascade traction lever for unmanned aerial vehicle can accomplish the butt joint fast during the use, convenient removal when not using, and the body of rod can the fifty percent discount, convenient storage does not account for more space.

The to-be-solved technical problem of the utility model is realized through following technical scheme: a foldable traction rod for an unmanned aerial vehicle comprises a traction hanging ring, a rod body, a roller assembly and a traction joint assembly, wherein the traction hanging ring and the traction joint assembly are respectively arranged at two ends of the rod body;

the rod body comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are connected through a folding assembly, and the first connecting rod and the second connecting rod can be folded in half through the folding assembly;

the traction joint assembly comprises a U-shaped connecting piece, a pull rod pin and a positioning pin, wherein the U-shaped connecting piece comprises two side wall portions and a transverse connecting portion, through holes are symmetrically formed in the tail ends of the two side wall portions, each through hole is internally provided with the pull rod pin in a matched mode, and the pull rod pin limits the telescopic distance of the pull rod pin in the through holes through the positioning pin and is used for being in butt joint with a front wheel shaft of the unmanned aerial vehicle.

The middle part of the transverse connecting part is fixedly provided with a single-lug connecting piece, the double-lug connecting piece is connected with the single-lug connecting piece through a safety pin and a second quick bolt, the safety pin is close to one side of the connecting part, and a waist hole is formed in the connecting part of the single-lug connecting piece and the second quick bolt;

the double-lug connecting piece is fixed at the end part of the rod body.

Further, folding assembly is including setting up the first folder at first connecting rod tip and the second folder at second connecting rod tip, first folder is articulated with the one end of second folder, first folder passes through the round pin hub connection with the other end of second folder.

Furthermore, the roller assembly comprises a connecting plate, a connecting cover plate, a roller mounting plate and a roller, and the roller assembly is fixed on the rod body through the connecting plate and the connecting cover plate through a bolt assembly;

the two roller mounting plates are respectively fixed on two side walls of the connecting plate, and the bottoms of the two roller mounting plates are connected with the two rollers through a crankshaft;

the top end of the roller mounting plate is hinged to the side wall, pin holes with different heights are formed in the side wall and far away from the hinged position, the roller mounting plate is fixed to the side wall through the pin holes in the first quick inserting pins, when the unmanned aerial vehicle needs to be pulled, the first quick inserting pins are inserted into the high pin holes, the roller assemblies are in a retracting state at the moment, when the traction rod is moved, the first quick inserting pins are inserted into the low pin holes, and the roller assemblies are in an opening state at the moment and conveniently move the traction rod.

Furthermore, a concave surface is formed in the side wall, the connecting position of the roller mounting plate and the side wall is located in the concave surface, a baffle is arranged on one side of the concave surface, and the baffle is used for blocking the roller mounting plate.

Furthermore, each pull rod pin is provided with at least two butt joint through holes at intervals and used for butt joint of front wheel shafts with different sizes.

Furthermore, a concave long groove is axially arranged on the circumferential surface of each pull rod pin and matched with a convex part arranged on the inner surface of the through hole, so that the pull rod pin is prevented from rotating in the circumferential direction.

Further, the end of each pull rod pin is provided with a pull ring.

Furthermore, a plurality of grooves are formed in the U-shaped connecting piece, so that the strength of the traction rod is guaranteed, and the overall weight of the traction rod is reduced.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a folded cascade traction lever for unmanned aerial vehicle, its body of rod comprises first connecting rod and second connecting rod, and wherein, first connecting rod is connected through folding assembly with the second connecting rod group, the utility model discloses folding assembly is similar "hinge" connected mode, can pack up two connecting rod fifty percent discount fast to accomodate, save space, in addition the utility model discloses be provided with the wheel components that can open and pack up, insert high pinhole with first fast bolt when needing to pull unmanned aerial vehicle, wheel components is in the state of packing up this moment, when removing the traction lever, inserts low pinhole with first fast bolt, and wheel components is in the state of opening this moment, conveniently removes the traction lever, uses manpower sparingly.

2. The utility model relates to a folded cascade traction lever for unmanned aerial vehicle, be provided with the traction joint subassembly, through set up the through-hole at two lateral wall portion ends of "U" style of calligraphy connecting piece, every through-hole fit in is provided with the draw pin, the draw pin passes through the flexible distance of locating pin restriction in the through-hole, be used for with unmanned aerial vehicle's front axle butt joint, wherein on the periphery of draw pin, set up sunken elongated slot along the axial, the bulge cooperation that sunken elongated slot and through-hole internal surface set up prevents draw pin circumferential direction, the messenger locating pin that can be quick inserts and fixes a position.

Drawings

Fig. 1 is a perspective view of a foldable traction rod of the present invention;

fig. 2 is a front view of the foldable traction rod of the present invention;

fig. 3 is a schematic view of the foldable traction rod folding part connection of the present invention;

fig. 4 is a schematic structural view of a foldable drawbar traction joint assembly according to the present invention;

fig. 5 is a schematic structural view of the foldable traction rod roller assembly of the present invention.

In the figure: 1. A traction hanging ring; 2. a rod body; 3. a roller assembly; 4. a hitch coupler assembly; 5. a folding assembly; 6. a binaural connector; 21. A first link; 22. a second link; 31. a connecting plate; 32. connecting the cover plate; 33. Mounting a roller; 34. a roller; 35. a crankshaft; 36. a first quick bolt; 41. a U-shaped connecting piece; 42. a draw bar pin; 43. positioning pins; 44. a single-lug connector; 51. a first fold; 52. a second fold; 53. a pin shaft; 61. a safety pin; 62. A second quick bolt; 311. a side wall; 411. a sidewall portion; 412. a connecting portion; 413. a groove; 421. butting the through holes; 422. a pull ring; 441. a waist hole; 3111. a pin hole; 3112. a concave surface; 3113. a baffle plate; 4111. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It is to be understood that such description is merely illustrative and not restrictive of the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example (b): referring to fig. 1, a foldable traction rod for an unmanned aerial vehicle comprises a traction hanging ring 1, a rod body 2, a roller assembly 3 and a traction joint assembly 4, wherein the traction hanging ring 1 and the traction joint assembly 4 are respectively and fixedly arranged at two ends of the rod body 2, the roller assembly 3 is arranged on the rod body 2 and is positioned at one side of the traction joint assembly 4, and the roller assembly 3 is arranged to save manpower when the traction rod is moved before or after use.

As shown in fig. 1 to 3, the rod body 2 includes a first connecting rod 21 and a second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are connected by a folding assembly 5, and the first connecting rod 21 and the second connecting rod 22 can be folded in half by the folding assembly 5.

Specifically, as shown in fig. 3, the folding assembly 5 is similar to a "hinge" connection manner, and includes a first folding member 51 fixedly disposed at an end of the first connecting rod 21 and a second folding member 52 fixedly disposed at an end of the second connecting rod 22, the first folding member 51 is hinged to one end of the second folding member 52, the first folding member 51 is connected to the other end of the second folding member 52 by a pin 53, preferably, the pin 53 connects the first folding member 51 to the second folding member 52 by a threaded connection manner, or a blocking member is disposed at an end of the pin 53, or other manners such as other manners are provided to prevent the pin 53 from falling off during the process of towing the drone.

The towing joint assembly 4 of the present embodiment is shown in fig. 4, and includes a "U" -shaped connector 41, a pull rod pin 42 and a positioning pin 43, where the "U" -shaped connector 41 is composed of two side wall portions 411 and a connecting portion 412, the ends of the two side wall portions 411 are symmetrically provided with through holes 4111, a pull rod pin 42 is fittingly disposed in each through hole 4111, the distance of the extension and contraction of the pull rod pin 42 in the through hole 4111 is limited by the positioning pin 43, and the two pull rod pins 42 extend into the "U" -shaped connector 41 to be abutted to the front axle of the drone.

Preferably, each pull rod pin 42 is provided with at least two through docking holes 421 at intervals for docking front wheel shafts of different sizes; a concave long groove (not shown in the figure) is axially arranged on the circumferential surface of each tie rod pin 42 and is matched with a convex part (not shown in the figure) arranged on the inner surface of the through hole 4111, so that the tie rod pin 42 is prevented from circumferentially rotating when the tie rod pin 42 is butted with a front wheel shaft of the unmanned aerial vehicle, and the positioning pin 43 is rapidly inserted into the butted through hole 421; in addition, in the embodiment, a pull ring 422 is provided at one end of the pull rod pin 42 located outside the U-shaped connecting member 41, so that the pull rod pin 42 can be pulled manually.

Preferably, the U-shaped connecting member 41 is provided with a plurality of grooves 413 for reducing the overall weight of the drawbar while ensuring the strength thereof.

The traction rod of the utility model also comprises a double-lug connecting piece 6, wherein the double-lug connecting piece 6 is used for connecting the rod body 2 and the traction joint component 4, and the middle part of the connecting part 412 of the U-shaped connecting piece 41 is fixed with a single-lug connecting piece 44; the tip at the body of rod 2 is fixed to the one end of binaural connection spare 6, and the other end of binaural connection spare 6 passes through safety pin 61 and the fast bolt 62 of second with monaural connection spare 44 and is connected, and safety pin 61 is close to connecting portion 412 one side, on the monaural connection spare 44, be provided with waist hole 441 with the fast bolt 62 junction of second to be unlikely to the traction lever separation after safety pin 61 damages, guarantee safety traction unmanned aerial vehicle.

As shown in fig. 1, 2 and 5, the roller assembly 3 of the present embodiment includes a connecting plate 31, a connecting cover plate 32, a roller mounting plate 33 and a roller 34, wherein the connecting plate 31 and the connecting cover plate 32 fix the roller assembly 3 on the rod body 4 through a bolt assembly; the two roller mounting plates 33 are respectively fixed on two side walls 311 of the connecting plate 31, and the bottoms of the two roller mounting plates 33 are connected with the two rollers 34 through a crankshaft 35; wherein, the top of gyro wheel mounting panel 33 is articulated with lateral wall 33, and on lateral wall 311, keep away from articulated punishment and be provided with the pinhole 3111 of difference in height respectively, gyro wheel mounting panel 33 through first fast bolt 36 male pinhole 3111 in realize with the fixed of lateral wall 311, realize two fixed points through articulated and bolt, when needs pull unmanned aerial vehicle, insert first fast bolt 36 in high pinhole 3111, wheel components 3 are in the state of packing up this moment, when removing the traction lever, insert first fast bolt 36 in low pinhole 3111, wheel components 3 are in the open mode this moment, conveniently remove the traction lever.

Preferably, a concave 3112 is formed on the side wall 311, a connection portion between the roller mounting plate 33 and the side wall 311 is located in the concave 3112, a baffle 3113 is arranged at the rear side of the concave 3111, the baffle 3113 is used for blocking the roller mounting plate 33, and the roller assembly 3 is stabilized by combining the first fast bolt and the three hinged points to prevent instability when the drawbar is moved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A foldable tow bar for an unmanned aerial vehicle, characterized in that: the traction device comprises a traction hanging ring (1), a rod body (2), a roller assembly (3) and a traction joint assembly (4), wherein the traction hanging ring (1) and the traction joint assembly (4) are respectively arranged at two ends of the rod body (2), the roller assembly (3) is arranged on the rod body (2) and is positioned at one side of the traction joint assembly (4), and the roller assembly (3) is used for moving a traction rod;

the rod body (2) comprises a first connecting rod (21) and a second connecting rod (22), the first connecting rod (21) and the second connecting rod (22) are connected through a folding assembly (5), and the first connecting rod (21) and the second connecting rod (22) can be folded in half through the folding assembly (5);

traction joint subassembly (4) are including "U" style of calligraphy connecting piece (41), pull rod round pin (42) and locating pin (43), "U" style of calligraphy connecting piece (41) comprise two lateral wall portion (411) and connecting portion (412), and through-hole (4111) are seted up to the terminal symmetry of two lateral wall portion (411), every through-hole (4111) fit in is provided with pull rod round pin (42), pull rod round pin (42) pass through locating pin (43) and restrict its distance that stretches out and draws back in through-hole (4111) for dock with unmanned aerial vehicle's front wheel axle.

2. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: the middle part of the connecting part (412) is fixedly provided with a single-lug connecting piece (44), the double-lug connecting piece (6) is connected with the single-lug connecting piece (44) through a safety pin (61) and a second quick bolt (62), the safety pin (61) is close to one side of the connecting part (412), and a waist hole (441) is formed in the connecting part of the single-lug connecting piece (44) and the second quick bolt (62);

the double-lug connecting piece (6) is fixed at the end part of the rod body (2).

3. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: folding assembly (5) are including setting up first folder (51) at first connecting rod (21) tip and second folder (52) at second connecting rod (22) tip, first folder (51) are articulated with the one end of second folder (52), first folder (51) are connected through round pin axle (53) with the other end of second folder (52).

4. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: the roller assembly (3) comprises a connecting plate (31), a connecting cover plate (32), a roller mounting plate (33) and a roller (34), and the roller assembly (3) is fixed on the rod body (2) through the connecting plate (31) and the connecting cover plate (32) through bolt assemblies;

the two roller mounting plates (33) are respectively fixed on two side walls (311) of the connecting plate (31), and the bottoms of the two roller mounting plates (33) are connected with the two rollers (34) through a crankshaft (35);

wherein, the top and lateral wall (311) of gyro wheel mounting panel (33) are articulated, and on lateral wall (311), keep away from articulated punishment and be provided with pinhole (3111) of difference of height respectively, gyro wheel mounting panel (33) realize in pinhole (3111) through first fast bolt (36) male with the fixed of lateral wall (311), when needs pull unmanned aerial vehicle, insert high pinhole (3111) with first fast bolt (36), wheel components (3) are in the state of packing up this moment, when removing the traction lever, insert low pinhole (3111) with first fast bolt (36), wheel components (3) are in the open mode this moment, conveniently remove the traction lever.

5. Foldable tow bar for unmanned aerial vehicles, according to claim 4, characterized in that: seted up concave surface (3112) on lateral wall (311), the junction of gyro wheel mounting panel (33) and lateral wall (311) is located concave surface (3112), one side of concave surface (3112) sets up baffle (3113), baffle (3113) are used for blockking gyro wheel mounting panel (33).

6. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: at least two butt joint through holes (421) are arranged on each pull rod pin (42) at intervals and used for butt joint of front wheel shafts with different sizes.

7. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: and a concave long groove is axially arranged on the circumferential surface of each pull rod pin (42), and is matched with a convex part arranged on the inner surface of the through hole (4111) to prevent the pull rod pin (42) from rotating in the circumferential direction.

8. Foldable tow bar for unmanned aerial vehicles, according to claim 1, characterized in that: the end of each pull rod pin (42) is provided with a pull ring (422).

9. Foldable tow bar for unmanned aerial vehicles, according to claim 2, characterized in that: a plurality of grooves (413) are formed in the U-shaped connecting piece (41) and used for reducing the overall weight of the traction rod while ensuring the strength of the traction rod.