CN217496556U - Airplane draw bar device - Google Patents

Airplane draw bar device Download PDF

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Publication number
CN217496556U
CN217496556U CN202220720366.6U CN202220720366U CN217496556U CN 217496556 U CN217496556 U CN 217496556U CN 202220720366 U CN202220720366 U CN 202220720366U CN 217496556 U CN217496556 U CN 217496556U
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CN
China
Prior art keywords
traction rod
brake
traction
support frame
telescopic
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CN202220720366.6U
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Chinese (zh)
Inventor
唐明宝
张炜
李乐秋
于博
刘晓通
李悦迪
李扬
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HNA Aviation Technic Co Ltd
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HNA Aviation Technic Co Ltd
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Priority to CN202220720366.6U priority Critical patent/CN217496556U/en
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Abstract

The utility model provides an aircraft traction lever device, include: support frame, flexible subassembly, traction lever and brake subassembly. A plurality of travelling wheels are arranged on the support frame; the telescopic assembly is rotatably connected with the support frame, and the telescopic end of the telescopic assembly extends downwards towards one side of the support frame in an inclined manner; the traction rod is provided with an assembly part, and the assembly part is connected with the telescopic end of the telescopic component; the brake assembly comprises a brake pad, the brake pad is fixedly arranged on the traction rod and located above the walking wheel, and the gravity center of the traction rod is located between the assembling portion and the brake pad. Compared with the prior art, the utility model discloses an aircraft traction lever device can utilize the gravity of traction lever to compress tightly the walking wheel with the brake block to make the walking wheel be difficult to rotate, realize the braking effect to the walking wheel.

Description

Airplane draw bar device
Technical Field
The utility model relates to an aircraft technical field, concretely relates to aircraft traction lever device.
Background
The airplane traction rod device is equipment for guaranteeing flights and is often used during airplane maintenance, the airplane traction rod device usually comprises a support and a traction rod arranged on the support, the support is braked usually in a mode that one end of the traction rod is toppled and contacted with the ground by using the dead weight of the traction rod, and the friction force generated by the traction rod to the ground is utilized to achieve the braking effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide an aircraft traction lever device.
An embodiment of the utility model provides an aircraft drawbar device, include: support frame, flexible subassembly, traction lever and brake subassembly.
A plurality of travelling wheels are arranged on the support frame; the telescopic assembly is rotatably connected with the support frame, and the telescopic end of the telescopic assembly extends downwards towards one side of the support frame in an inclined manner;
the draw bar is provided with an assembly part, and the assembly part is connected with the telescopic end of the telescopic component;
the brake assembly comprises a brake pad, the brake pad is fixedly arranged on the traction rod and located above the walking wheel, and the gravity center of the traction rod is located between the assembling portion and the brake pad.
Compared with the prior art, the utility model discloses an aircraft traction lever device can utilize the gravity of traction lever to compress tightly the walking wheel with the brake block to make the walking wheel be difficult to rotate, realize the braking effect to the walking wheel.
In some optional embodiments, the walking wheels are respectively arranged on two sides of the supporting frame, the brake assembly comprises two brake pads respectively arranged on two sides of the traction rod, and the brake pads are located above the walking wheels in a one-to-one correspondence manner.
In some optional embodiments, the brake assembly further includes a mounting bracket, the mounting bracket is disposed on the drawbar and extends out to two sides of the drawbar, and the two brake pads are disposed on two sides of the mounting bracket respectively.
In some alternative embodiments, the mounting bracket is integrally formed with the drawbar by welding.
In some optional embodiments, the support frame comprises a base, two upright columns and a top beam, the two upright columns are arranged on the base side by side, the top beam is connected with the tops of the upright columns, a channel is formed among the base, the two upright columns and the top beam, and the travelling wheels are arranged on two sides of the base; the telescopic assembly is rotatably connected with the top beam and is inclined and downwards telescopic towards one side of the channel; the traction rod movably penetrates through the channel, and the assembling part and the brake pad are respectively positioned on two sides of the channel.
In some optional embodiments, the support frame still includes pivot and a plurality of reinforcement, the pivot sets up on the base, the walking wheel with the pivot is connected, the reinforcement with the back timber is connected, its tip with the base is provided with the position connection of pivot.
In some alternative embodiments, the telescopic assembly is a hydraulic cylinder, the output rod of which is connected to the mounting portion.
In some alternative embodiments, the drawbar is provided with a drawbar ring at an end thereof adjacent to the fitting.
In some optional embodiments, one end of the traction rod, which is close to the brake pad, is provided with a traction block, and the traction block is provided with a groove matched with an aircraft landing gear.
In some optional embodiments, a rotating seat is arranged on the supporting frame, the rotating seat extends out towards one side of the supporting frame, and the telescopic assembly is rotatably connected with the rotating seat.
In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of one side of a drawbar arrangement for an aircraft according to an embodiment of the present invention;
fig. 2 is a first schematic structural diagram of an aircraft drawbar device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an aircraft drawbar device according to an embodiment of the present invention.
Description of the reference numerals:
10. a support frame; 11. a traveling wheel; 12. a base; 13. a column; 14. a top beam; 15. a reinforcement; 16. a rotating seat; 20. a telescoping assembly; 30. a draw bar; 31. an assembling portion; 32. a traction ring; 33. a traction block; 34. a trench; 41. a brake pad; 42. and (7) mounting frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of one side of an aircraft drawbar device according to an embodiment of the present invention, the aircraft drawbar device includes: support frame 10, telescopic component 20, traction lever 30 and brake assembly.
Please refer to fig. 2, which is a schematic structural diagram of an aircraft drawbar device according to an embodiment of the present invention, wherein a plurality of road wheels 11 are disposed on the support frame 10; the telescopic assembly 20 is rotatably connected with the support frame 10, and the telescopic end of the telescopic assembly 20 extends downwards towards one side of the support frame 10 in an inclined manner; the traction rod 30 is provided with an assembling part 31, and the assembling part 31 is connected with the telescopic end of the telescopic assembly 20; the brake assembly comprises a brake block 41, the brake block 41 is fixedly arranged on the traction rod 30 and is positioned above the walking wheel 11, and the center of gravity of the traction rod 30 is positioned between the assembling portion 31 and the brake block 41. When the telescopic assembly 20 is contracted, the telescopic end pulls the assembling part 31 to be lifted, and because the center of the traction rod 30 is positioned between the brake pad 41 and the assembling part 31, after the assembling part 31 is lifted, one end of the traction rod 30 far away from the assembling part 31 is lowered, so that the position of the brake pad 41 is lowered to be pressed against the travelling wheels 11. Additionally, the telescoping assembly 20 may be used to adjust the height of the tow bar 30 so that the tow bar 30 is at a height suitable for towing an aircraft. The structure of the brake block 41 can be designed appropriately according to actual needs, for example, in this embodiment, the brake block 41 is arc-shaped and is adapted to the shape of the road wheel 11.
In the present embodiment, the assembling portion 31 is an assembling ring sleeved on the drawbar 30, and a connecting block connected to the telescopic end of the telescopic assembly 20 is disposed on the assembling ring.
In order to improve the structural stability, in some optional embodiments, the walking wheels 11 are respectively disposed on two sides of the support frame 10, the brake assembly includes two brake pads 41 respectively disposed on two sides of the traction rod 30, and the brake pads 41 are located above the walking wheels 11 in a one-to-one correspondence manner.
In some optional embodiments, the brake assembly further includes a mounting bracket 42, the mounting bracket 42 is disposed on the drawbar 30 and extends to both sides of the drawbar 30, and the two brake pads 41 are respectively disposed on the portions of the mounting bracket 42 extending to the drawbar 30 and located on both sides of the mounting bracket 42. Of course, the installation manner of the brake pad 41 is not limited to this, and those skilled in the art can select other suitable structures according to the teachings of the present invention, and the brake pad 41 can be directly welded on the drawbar 30, or an extending structure for installing the brake pad 41 can be provided on both sides of the drawbar 30.
In order to improve the structural stability, in some alternative embodiments, the mounting bracket 42 is integrally formed with the drawbar 30 by welding, so that the mounting bracket 42 and the drawbar 30 are not easily loosened.
Referring to fig. 3, which is a schematic structural diagram of a second aircraft drawbar device according to an embodiment of the present invention, in some optional embodiments, the support frame 10 includes a base 12, two columns 13 and a top beam 14, the two columns 13 are disposed on the base 12 side by side, the top beam 14 is connected to the top of the columns 13, a channel is formed among the base 12, the two columns 13 and the top beam 14, and the travelling wheels 11 are disposed on two sides of the base 12; the telescopic assembly 20 is rotatably connected with the top beam 14 and is inclined and downwards and telescopic towards one side of the channel; the drawbar 30 movably passes through the passage, and the fitting portion 31 and the brake pad 41 are respectively located at both sides of the passage. Of course, the structure of the support frame 10 is not limited thereto, and other suitable structures may be selected by those skilled in the art in light of the teachings of the present invention.
In order to improve the stability of the supporting frame 10, in some optional embodiments, the supporting frame 10 further includes a rotating shaft and a plurality of reinforcing members 15, the rotating shaft is disposed on the base 12, the traveling wheels 11 are connected to the rotating shaft, the reinforcing members 15 are connected to the top beam 14, the end portions of the reinforcing members are connected to the positions where the rotating shaft is disposed on the base 12, the reinforcing members 15, the upright posts 13 and the base 12 form a triangular structure, and the stability is high.
In some alternative embodiments, the telescopic assembly 20 is a hydraulic cylinder, and the output rod thereof is connected to the mounting portion 31, and a rocker is disposed on the hydraulic rod, and the output of the hydraulic cylinder is driven to just extend and retract by manually operating the rocker. Of course, the configuration of retraction assembly 20 is not so limited, and other suitable configurations may be selected by one skilled in the art in light of the teachings of the present invention.
In some alternative embodiments, the drawbar 30 is provided with a drawbar ring 32 at an end thereof adjacent to the fitting 31, the drawbar ring 32 being adapted to engage a drawbar pin of the trailer.
In some alternative embodiments, the end of the drawbar 30 near the brake pad 41 is provided with a drawbar 33, and the drawbar 33 is provided with a groove 34 for engaging with an aircraft landing gear.
In order to facilitate installation of the telescopic assembly 20, in some alternative embodiments, the support frame 10 is provided with a rotating base 16, the rotating base 16 extends out to one side of the support frame 10, and the telescopic assembly 20 is rotatably connected to the rotating base 16.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An aircraft tow bar apparatus, comprising: the traction rod is connected with the traction rod through a traction rod;
a plurality of travelling wheels are arranged on the support frame;
the telescopic assembly is rotatably connected with the support frame, and the telescopic end of the telescopic assembly extends downwards towards one side of the support frame in an inclined manner;
the traction rod is provided with an assembly part, and the assembly part is connected with the telescopic end of the telescopic component;
the brake assembly comprises a brake pad, the brake pad is fixedly arranged on the traction rod and located above the walking wheel, and the gravity center of the traction rod is located between the assembling portion and the brake pad.
2. An aircraft tow bar arrangement according to claim 1, wherein: the both sides of support frame are provided with respectively the walking wheel, brake assembly includes that two set up respectively the traction lever both sides the brake block, the brake block one-to-one is located the top of walking wheel.
3. An aircraft tow bar arrangement according to claim 2, wherein: the brake assembly further comprises a mounting frame, the mounting frame is arranged on the traction rod and extends out of two sides of the traction rod, and the two brake pads are arranged on two sides of the mounting frame respectively.
4. An aircraft tow bar arrangement according to claim 3, wherein: the mounting frame and the traction rod are integrally formed through welding.
5. An aircraft tow bar arrangement according to claim 2, wherein: the supporting frame comprises a base, two upright columns and a top beam, the two upright columns are arranged on the base side by side, the top beam is connected with the tops of the upright columns, a channel is formed among the base, the two upright columns and the top beam, and the travelling wheels are respectively arranged on two sides of the base;
the telescopic assembly is rotatably connected with the top beam and is inclined and downwards telescopic towards one side of the channel;
the traction rod movably penetrates through the channel, and the assembling part and the brake pad are respectively positioned on two sides of the channel.
6. An aircraft tow bar arrangement according to claim 5, wherein: the support frame still includes pivot and a plurality of reinforcement, the pivot sets up on the base, the walking wheel with the pivot is connected, the reinforcement with the back timber is connected, its tip with the base is provided with the position of pivot is connected.
7. An aircraft tow bar arrangement according to any one of claims 1 to 5, wherein: the telescopic assembly is a hydraulic cylinder, and an output rod of the telescopic assembly is connected with the assembling part.
8. An aircraft tow bar arrangement according to any one of claims 1 to 5, wherein: and a traction ring is arranged at one end of the traction rod close to the assembling part.
9. An aircraft tow bar arrangement according to any one of claims 1 to 5, wherein: and a traction block is arranged at one end of the traction rod, which is close to the brake pad, and a groove matched with an aircraft landing gear is formed in the traction block.
10. An aircraft tow bar arrangement according to any one of claims 1 to 5, wherein: the support frame is provided with a rotating seat, the rotating seat extends out towards one side of the support frame, and the telescopic assembly is connected with the rotating seat in a rotating mode.
CN202220720366.6U 2022-03-30 2022-03-30 Airplane draw bar device Active CN217496556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220720366.6U CN217496556U (en) 2022-03-30 2022-03-30 Airplane draw bar device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220720366.6U CN217496556U (en) 2022-03-30 2022-03-30 Airplane draw bar device

Publications (1)

Publication Number Publication Date
CN217496556U true CN217496556U (en) 2022-09-27

Family

ID=83347424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220720366.6U Active CN217496556U (en) 2022-03-30 2022-03-30 Airplane draw bar device

Country Status (1)

Country Link
CN (1) CN217496556U (en)

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