CN219545075U

CN219545075U - Protective device for aircraft propeller

Info

Publication number: CN219545075U
Application number: CN202320468207.6U
Authority: CN
Inventors: 马俊勇
Original assignee: Qingdao Vision Times Technology Co ltd
Current assignee: Qingdao Vision Times Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-18
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a protective device for an aircraft propeller, which comprises a mounting plate, a protective mechanism, a damper, a spring, a protective cover, a telescopic rod, a protective net, a bottom screen plate and a protective frame, wherein the protective mechanism is arranged at one end of the mounting plate; the utility model has the advantage of good protection effect through the arrangement of the protection mechanism, so that the protection mechanism can achieve forward and reverse bidirectional buffer protection work, thereby achieving collision protection, being beneficial to better protecting the blade from damage, utilizing the protection frame to play a role in auxiliary supporting protection, and the damper, the spring, the protection cover and the telescopic rod are matched to complete the function of collision protection, thereby achieving the required protection effect and buffering and absorbing the collision force.

Description

Protective device for aircraft propeller

Technical Field

The utility model relates to the technical field of aircraft propellers, in particular to a protective device for an aircraft propeller.

Background

When the aircraft is used, the motor drives the propeller to rotate, so that the propeller generates lifting force to drive the aircraft to fly. When the existing aircraft propeller is used, the propeller rotates at a high speed, and when the aircraft propeller flies at a low altitude, the propeller is easy to touch objects such as branches, the propeller is easy to damage, the protection to the propeller is inconvenient, and the aircraft propeller is inconvenient to use.

Aiming at the technical problems, for example, the publication number CN211417619U discloses a protective device for the aircraft propeller, which is convenient to install, the top cover and the bottom cover are fixedly connected through bolts, so that a protective frame consisting of the bottom cover and the top cover is convenient to install, and meanwhile, the propeller is protected through the protective frame, and the object is prevented from being damaged when the propeller rotates;

although the blade can be covered and protected by the patent, the front side cannot be prevented from collision during flying, and the merchant protective cover is easily damaged by direct collision due to other flying objects or birds in the air, so that the blade is damaged, and the stable flying is influenced.

Disclosure of Invention

The utility model aims to provide a protective device for an aircraft propeller, which has the advantage of good protective effect, so that the protective device can achieve forward and reverse bidirectional buffer protection work, thereby achieving collision protection, being beneficial to better protecting blades from damage, and solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the protection device for the aircraft propeller comprises a mounting plate and a protection mechanism, wherein the protection mechanism is arranged at one end of the mounting plate, and a bottom screen plate in the protection mechanism is arranged at one end of the mounting plate;

still including attenuator, spring, protection casing, telescopic link, protection network and end otter board and protection frame, protection frame installs in the top of end otter board, attenuator and spring are installed respectively in the upper portion and the lower part of protection frame both sides, the protection casing is installed in the one end of attenuator and spring, the telescopic link is installed in the inboard upper portion and the lower part of two sets of protection casings, the protection network is installed in the both sides of protection casing respectively.

Preferably, the damper is located at the inner side of the spring, and the outer side of the protective cover is provided with a through hole.

Preferably, the top of protection frame is provided with the mechanism that closes, the mechanism that closes includes auxiliary assembly, insert subassembly, locking subassembly and closes the subassembly, the subassembly that closes sets up in protection frame's top, insert the subassembly setting in protection frame's inside, locking subassembly sets up in protection frame's top, auxiliary assembly sets up in protection frame's top.

Preferably, the cover assembly comprises a first supporting plate and a top plate, the first supporting plates are respectively arranged on two sides of the inner wall of the protective frame, and the top plate is arranged on the top of the first supporting plates.

Preferably, the insert assembly comprises a slot, a second supporting plate and an insert block, wherein the slot is respectively arranged on two sides of the bottom of the top plate, the second supporting plate is arranged on the inner side wall of the protective frame, and the insert block is arranged on the top of the second supporting plate.

Preferably, the locking assembly comprises a screw rod and a threaded sleeve, wherein the screw rod is arranged at the top of the first supporting plate, and the threaded sleeve is in threaded connection with the surface of the screw rod.

Preferably, the auxiliary assembly comprises jacks and a top net, the top net is mounted at the top of the top plate, the jacks are respectively formed in two sides of the top plate, and the screw and the threaded sleeve are both located in the jacks.

Preferably, the insert block is inserted into the slot, and an aircraft propeller body is installed at the center of the top of the bottom screen plate.

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

1. the utility model has the advantage of good protection effect through the arrangement of the protection mechanism, so that the protection mechanism can achieve forward and reverse bidirectional buffer protection work, thereby achieving collision protection, being beneficial to better protecting the blade from damage, utilizing the protection frame to play a role in auxiliary supporting protection, and the damper, the spring, the protection cover and the telescopic rod are matched to complete the function of collision protection, thereby achieving the required protection effect and buffering and absorbing the collision force.

2. The utility model has the advantages of cover protection and convenient disassembly and assembly through the arrangement of the cover mechanism, so that the top of the cover mechanism is conveniently covered and protected, and the cover protection is completed by utilizing the top plate and the top net when the cover mechanism is required to be maintained, the first supporting plate, the screw rod, the jack and the threaded sleeve are matched to complete the installation and fixation, and the slot, the second supporting plate and the plug block are beneficial to auxiliary support and positioning work during installation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a spring structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the propeller body of the aircraft of the present utility model;

FIG. 4 is a schematic diagram of a slot structure according to the present utility model.

In the figure: 1. a mounting plate; 2. a protective mechanism; 21. a protective frame; 22. a damper; 23. a spring; 24. a protective cover; 25. a telescopic rod; 26. a protective net; 27. a bottom screen plate; 3. a cover closing mechanism; 31. a first stay plate; 32. a screw; 33. a top plate; 34. a jack; 35. a thread sleeve; 36. a top net; 37. a slot; 38. a second stay plate; 39. inserting blocks; 4. an aircraft propeller body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a protection device for an aircraft propeller, which comprises a mounting plate 1 and a protection mechanism 2, wherein the protection mechanism 2 is arranged at one end of the mounting plate 1, a bottom screen plate 27 in the protection mechanism 2 is arranged at one end of the mounting plate 1, and the bottom screen plate 27 is beneficial to bearing and mounting components at the top;

the device also comprises a damper 22, a spring 23, a protective cover 24, a telescopic rod 25, a protective net 26, a bottom screen 27 and a protective frame 21, wherein the protective frame 21 is arranged at the top of the bottom screen 27, the damper 22 and the spring 23 are respectively arranged at the upper part and the lower part of two sides of the protective frame 21, the protective cover 24 is arranged at one end of the damper 22 and one end of the spring 23, the telescopic rod 25 is arranged at the upper part and the lower part of the inner sides of the two groups of protective covers 24, and the protective net 26 is respectively arranged at two sides of the protective cover 24;

the damper 22 cooperates with the spring 23 to realize the function of buffering and preventing, the protection cover 24 achieves the function of anti-collision protection, the telescopic rod 25 is beneficial to realizing the connection supporting work for the two groups of protection covers 24, and the protection net 26 ensures the air flow and assists the protection.

Wherein, the damper 22 is located at the inner side of the spring 23, and the outer side of the protective cover 24 is provided with a through hole which is beneficial to ventilation of air.

When the protective cover is in operation, when the front surface or the back surface is subjected to collision force, protection is realized through the protective cover 24, impact force is generated to buffer the impact force by the damping force of the damper 22 and the elasticity of the spring 23, the impact force and the impact force are combined into a shock absorber to achieve the function of buffering and shock absorption, the telescopic rod 25 is contracted when moving inwards through the two groups of protective covers 24, the contraction work is realized, the protection net 26 plays an auxiliary lateral protection work, and the circulation of air is ensured.

Preferably, the top of the protection frame 21 is provided with the cover mechanism 3, and the cover mechanism 3 includes auxiliary assembly, insert the subassembly, locking subassembly and cover the subassembly, and the cover closes the subassembly setting in the top of protection frame 21, inserts the subassembly setting in the inside of protection frame 21, and locking subassembly sets up in the top of protection frame 21, and auxiliary assembly sets up in the top of protection frame 21, utilizes auxiliary assembly, inserts the cooperation between subassembly, locking subassembly and the cover assembly to do benefit to its effect of closing the protection and being convenient for the dismouting.

The cover assembly comprises a first supporting plate 31 and a top plate 33, the first supporting plate 31 is respectively installed on two sides of the inner wall of the protective frame 21, the top plate 33 is placed on the top of the first supporting plate 31, the first supporting plate 31 is utilized to support the top plate 33 in an auxiliary manner, and the top plate 33 is beneficial to cover protection.

The insert assembly comprises an insert slot 37, a second supporting plate 38 and an insert block 39, the insert slot 37 is respectively arranged on two sides of the bottom of the top plate 33, the second supporting plate 38 is arranged on the inner side wall of the protective frame 21, the insert block 39 is arranged on the top of the second supporting plate 38, the insert slot 37 is beneficial to the insertion of the insert block 39, and the second supporting plate 38 is beneficial to playing an auxiliary supporting role.

The locking assembly comprises a screw rod 32 and a thread bush 35, the screw rod 32 is arranged at the top of the first supporting plate 31, the thread bush 35 is in threaded connection with the surface of the screw rod 32, and installation locking work is achieved through threaded fit of the screw rod 32 and the thread bush 35.

Wherein, auxiliary assembly includes jack 34 and top net 36, and top net 36 installs in the top of roof 33, and jack 34 is seted up in the both sides at roof 33 top respectively, and screw rod 32 and thread bush 35 all are located the inside of jack 34, and jack 34 then makes things convenient for the insertion of screw rod 32, and top net 36 does benefit to when guaranteeing the top protection and the circulation of air.

Further, the insert 39 is inserted into the slot 37, and the center of the top of the bottom net plate 27 is provided with the aircraft propeller body 4, so that the aircraft propeller body 4 is utilized to facilitate the auxiliary flying work.

During installation, the top plate 33 drives the top net 36 to be placed on the top of the first supporting plate 31 and the second supporting plate 38, at this time, the inserting block 39 is inserted into the inserting groove 37, the screw rod 32 is inserted into the inserting hole 34, then the threaded sleeve 35 is rotated or the threaded sleeve 35 is driven to rotate by a position tool, and the installation work can be completed by rotating the threads of the threaded sleeve 35 on the surface of the screw rod 32 and the inside of the inserting hole 34, and the reverse operation can be performed during disassembly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protector for aircraft screw which characterized in that: the device comprises a mounting plate (1) and a protection mechanism (2), wherein the protection mechanism (2) is arranged at one end of the mounting plate (1), and a bottom screen plate (27) in the protection mechanism (2) is arranged at one end of the mounting plate (1);

still including attenuator (22), spring (23), protection casing (24), telescopic link (25), protection network (26) and end otter board (27) and protection frame (21), protection frame (21) are installed at the top of end otter board (27), attenuator (22) and spring (23) are installed respectively in the upper portion and the lower part of protection frame (21) both sides, protection casing (24) are installed in the one end of attenuator (22) and spring (23), telescopic link (25) are installed in the inboard upper portion and the lower part of two sets of protection casings (24), protection network (26) are installed respectively in the both sides of protection casing (24).

2. The protective device for an aircraft propeller according to claim 1, wherein: the damper (22) is located at the inner side of the spring (23), and a through hole is formed in the outer side of the protective cover (24).

3. The protective device for an aircraft propeller according to claim 1, wherein: the top of protection frame (21) is provided with lid mechanism (3), lid mechanism (3) are including auxiliary assembly, insert subassembly, locking subassembly and lid assembly, lid assembly sets up in the top of protection frame (21), insert the subassembly and set up in the inside of protection frame (21), locking subassembly sets up in the top of protection frame (21), auxiliary assembly sets up in the top of protection frame (21).

4. A protective device for an aircraft propeller according to claim 3, characterized in that: the cover assembly comprises a first supporting plate (31) and a top plate (33), wherein the first supporting plate (31) is respectively arranged on two sides of the inner wall of the protective frame (21), and the top plate (33) is arranged at the top of the first supporting plate (31).

5. The protective device for an aircraft propeller according to claim 4, wherein: the insertion assembly comprises a slot (37), a second supporting plate (38) and an insertion block (39), wherein the slot (37) is respectively arranged on two sides of the bottom of the top plate (33), the second supporting plate (38) is arranged on the inner side wall of the protection frame (21), and the insertion block (39) is arranged on the top of the second supporting plate (38).

6. The protective device for an aircraft propeller according to claim 5, wherein: the locking assembly comprises a screw (32) and a thread bush (35), wherein the screw (32) is arranged at the top of the first supporting plate (31), and the thread bush (35) is in threaded connection with the surface of the screw (32).

7. The protective device for an aircraft propeller according to claim 6, wherein: the auxiliary assembly comprises a jack (34) and a top net (36), the top net (36) is mounted on the top of the top plate (33), the jack (34) is respectively arranged on two sides of the top plate (33), and the screw (32) and the thread bush (35) are both positioned in the jack (34).

8. The protective device for an aircraft propeller according to claim 7, wherein: the inserting block (39) is inserted into the slot (37), and the center of the top of the bottom screen plate (27) is provided with the aircraft propeller body (4).