CN112847264A

CN112847264A - Paddle supporting device

Info

Publication number: CN112847264A
Application number: CN202110162731.6A
Authority: CN
Inventors: 王贤宇; 印明威; 海日汗; 包长春; 徐震翰; 李京阳
Original assignee: Beijing Qinghang Zijin Equipment Technology Co ltd
Current assignee: Beijing Qinghang Zijin Equipment Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-05-28

Abstract

The invention provides a blade supporting device which comprises a supporting seat, a supporting part and a base, wherein the supporting seat is arranged at the upper part of the supporting part, the base is arranged at the bottom of the supporting part, a blade groove is formed in the supporting seat, and blades can be supported in the blade groove. By adopting the structure, the paddle supporting device is placed at a proper position, so that the paddle groove can support the paddle from the lower part, the paddle is prevented from falling down due to the gravity of the paddle, and the hidden trouble of paddle deformation is avoided. Moreover, when the blades are installed on the unmanned helicopter, the blade supporting device can also play a role in supporting and fixing, so that the blades are more convenient to install.

Description

Paddle supporting device

Technical Field

The invention relates to the technical field of unmanned helicopters, in particular to a blade supporting device.

Background

In the initial research and development stage of the unmanned helicopter, the blades mounted on the unmanned helicopter may drop due to the self weight, so that the blades deform, and the performance of the blades and the overall performance of the unmanned helicopter are affected.

Therefore, how to provide a device capable of preventing the deformation of the blade is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a device capable of preventing a blade from deforming.

In order to solve the technical problem, the invention provides a blade supporting device which comprises a supporting seat, a supporting part and a base, wherein the supporting seat is arranged at the upper part of the supporting part, the base is arranged at the bottom of the supporting part, a blade groove is formed in the supporting seat, and blades can be supported in the blade groove.

By adopting the structure, the paddle supporting device is placed at a proper position, so that the paddle groove can support the paddle from the lower part, the paddle is prevented from falling down due to the gravity of the paddle, and the hidden trouble of paddle deformation is avoided. Moreover, when the blades are installed on the unmanned helicopter, the blade supporting device can also play a role in supporting and fixing, so that the blades are more convenient to install.

Optionally, a universal spherical hinge structure is arranged at the bottom of the supporting seat, the supporting part is connected through the universal spherical hinge structure, and the blade groove can freely rotate through the universal spherical hinge structure; the supporting seat further comprises a locking portion, and the locking portion can lock the universal spherical hinge structure.

Optionally, the locking part is a locking screw arranged on one side of the universal spherical hinge structure, and the locking screw can be screwed to lock the universal spherical hinge structure.

Optionally, a supporting surface of the blade groove supporting the blade is provided with a rubber gasket.

Optionally, the supporting portion includes a telescopic rod and a fixing rod, the fixing rod is sleeved on the telescopic rod, and the telescopic rod is at least partially retractable into the fixing rod; the supporting part further comprises a locking part, and the locking part locks the position of the telescopic rod relative to the fixing rod.

Optionally, the locking part is a locking knob disposed on one side of the fixing rod, and tightening the locking knob can fix the telescopic rod and the fixing rod relatively.

Optionally, the locking knob is a bolt.

Optionally, the telescopic rod and the fixing rod are made of titanium alloy tubes.

Optionally, the fixing lever is provided with a grip, and the support portion is moved by holding the grip.

Optionally, the base comprises at least three support claws, and/or the base is made of a titanium alloy material.

Drawings

FIG. 1 is a schematic structural view of a blade support device according to an embodiment of the present invention when supporting a blade;

FIG. 2 is an enlarged left-view illustration of the support base of FIG. 1;

FIG. 3 is an enlarged cross-sectional view of the support base of FIG. 1;

fig. 4 is an enlarged schematic view of the locking knob position of fig. 1.

The reference numerals in fig. 1-4 are illustrated as follows:

the device comprises a support seat 1, a blade groove 11, a universal ball hinge structure 12, a locking screw 13, a support part 2, a telescopic rod 21, a fixing rod 22, a locking knob 23, a grip 24, a base 3 and a blade 4.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a blade supporting device according to an embodiment of the present invention when supporting a blade.

The embodiment of the invention provides a blade supporting device which comprises a supporting seat 1, a supporting part 2 and a base 3, wherein the supporting seat 1 is arranged at the upper part of the supporting part 2, the supporting seat 1 is arranged at the top part of the supporting part 2 in the figure 1, the base 3 is arranged at the bottom part of the supporting part 2, and the base 3 and the supporting part 2 are connected in a split mode or are arranged integrally. The supporting seat 1 is provided with a blade groove 11, and the blade 4 can be supported in the blade groove 11.

By adopting the structure, the blade supporting device can be placed below the blades 4 when the unmanned helicopter is in the initial development stage, so that the blade grooves 11 can support the blades 4 from below, the blades 4 are prevented from falling down due to self gravity, and the hidden danger of deformation of the blades 4 is avoided; the paddle 4 is restricted in the paddle groove 11 and cannot be laterally displaced. Moreover, when the blades 4 are installed on the unmanned helicopter, the blade supporting device can also support the blades 4 below, so that the blades 4 are supported and fixed, and the blades 4 are more convenient to install.

Referring to fig. 2 and 3, fig. 2 is a left enlarged view of the support seat of fig. 1; fig. 3 is an enlarged sectional view of the support seat shown in fig. 1.

In this embodiment, the bottom of the supporting seat 1 is provided with a universal spherical hinge structure 12, the supporting seat 1 is arranged on the supporting part 2 through the universal spherical hinge structure 12, and the paddle slot 11 can freely rotate through the universal spherical hinge structure 12; the supporting seat 1 further comprises a locking portion, and the locking portion can lock the universal ball joint structure 12 to enable the rotation direction of the universal ball joint structure to be relatively fixed.

Through universal ball joint structure 12, blade groove 11 can change the direction that supports paddle 4, no matter what state or angle paddle 4 is in, blade groove 11 homoenergetic keeps unanimous with paddle 4. After the angles of the blade grooves 11 and the blades 4 are adjusted to be consistent through the universal spherical hinge structures 12, the universal spherical hinge structures 12 are locked through the locking parts, the angles of the blade grooves 11 can be kept fixed, and the blade grooves 11 can support the blades 4. It can be understood that the universal ball joint structure 12 is only a structure selected in this embodiment, and can realize multi-angle adjustment, and in practical application, other rotating structures can be provided, so that the angles of the blade groove 11 and the blade 4 are kept consistent.

Further, the locking portion can be a locking screw 13 disposed on one side of the universal ball joint structure 12, specifically, as shown in fig. 3, the universal ball joint structure 12 includes a universal ball and a ball seat, the locking screw 13 penetrates through the ball seat, the locking screw 13 is screwed from the outside, the front end of the locking screw 13 abuts against the universal ball, the universal ball joint structure 12 cannot rotate, and the universal ball joint structure 12 is locked. Of course, the locking portion may have other structures as long as the locking portion can lock the universal ball joint structure 12.

The supporting surface of the blade groove 11 supporting the blade 4 in this embodiment may also be provided with a rubber gasket. Set up the rubber gasket and can prevent blade groove 11 fish tail paddle 4, can understand, the rubber gasket is the mode of setting that this embodiment adopted, and in practical application, this gasket can also be other materials, as long as it can prevent blade groove 11 fish tail paddle 4.

Referring to fig. 1, the supporting portion 2 includes an expansion link 21 and a fixing rod 22, the fixing rod 22 is sleeved on the expansion link 21, and at least a portion of the expansion link 21 can be retracted into the fixing rod 22; the support 2 further comprises a locking portion capable of locking the position of the telescopic rod 21 with respect to the fixing rod 22.

By adopting the structure, the supporting height of the blade groove 11 for the blade 4 can be adjusted, the blade groove 11 is adjusted to the required supporting height by adjusting the length of the telescopic rod 21 retracted into the fixed rod 22, the relative position of the telescopic rod 21 and the fixed rod 22 is locked by the locking part, and the blade groove 11 can be fixed in height. In cooperation with the universal spherical hinge structure 12 and the locking screw 13, the blade groove 11 can be applied to supporting the blades 4 with different heights and angles.

Referring to fig. 4, fig. 4 is an enlarged schematic structural view of the locking knob in fig. 1.

The locking part in this embodiment is specifically a locking knob 23 disposed on one side of the fixing rod 22, and tightening the locking knob 23 can fix the telescopic rod 21 and the fixing rod 22 relatively. The locking knob 23 is similar in principle to the locking screw 13 described above, and by tightening the locking knob 23, the tip of the locking knob 23 can abut against the portion of the telescopic link 21 inside the fixing rod 22, and the telescopic link 21 is fixed inside the fixing rod 22 and cannot move up and down. Similarly, the locking knob 23 is only an arrangement manner adopted in the present embodiment, and in practical applications, other structures may also be adopted to relatively fix the positions of the telescopic rod 21 and the fixing rod 22, for example, a plurality of positioning holes distributed along the axial direction are provided on the telescopic rod 21, and the positioning holes are matched with the positioning pins inserted into the fixing rod 22 for locking.

Further, the locking knob 23 may be a bolt in this embodiment. The big head end of the bolt can be designed into a larger size, so that the bolt is convenient for workers to screw or unscrew.

In this embodiment, the telescopic rod 21 and the fixing rod 22 may be titanium alloy tubes, which have sufficient strength and lower density, and have a smaller weight under the same volume, so that the weight of the blade supporting device body is reduced, the movement is more convenient, and the blade supporting device has the advantage of light weight.

As shown in fig. 1, the fixing lever 22 is provided with a grip 24, and a worker can move the support 2 by holding the grip 24. The blade supporting device is convenient for workers to operate and move, the blade supporting device can be lifted and moved conveniently, and when the overall position of the blade supporting device is adjusted, the handle 24 is held to realize displacement.

The base 3 may include at least three support claws, and the base 3 is also made of titanium alloy. In this embodiment, base 3 includes three support claw, and is comparatively stable when supporting other structures of top paddle strutting arrangement, and has alleviateed the holistic weight of paddle strutting arrangement, makes things convenient for the staff to remove it. In practical application, the base 3 may also include other numbers of supporting claws, and the more the number of supporting claws is, the higher the stability of the base 3 is, and of course, the base 3 may also adopt other structures, such as designing the base 3 into a disc shape, etc., as long as it is ensured that the base 3 can support the whole blade supporting device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. A blade support device characterized by: including supporting seat (1), supporting part (2) and base (3), supporting seat (1) is located the upper portion of supporting part (2), the bottom of supporting part (2) is equipped with base (3), supporting seat (1) is provided with paddle groove (11), paddle (4) can support in paddle groove (11).

2. The blade support apparatus of claim 1, wherein: the bottom of the supporting seat (1) is provided with a universal spherical hinge structure (12), the supporting seat (2) is connected through the universal spherical hinge structure (12), and the paddle groove (11) can freely rotate through the universal spherical hinge structure (12); the supporting seat (1) further comprises a locking portion, and the locking portion can lock the universal spherical hinge structure (12).

3. The blade support apparatus of claim 2, wherein: the locking part is a locking screw (13) arranged on one side of the universal spherical hinge structure (12), and the locking screw (13) can be screwed down to lock the universal spherical hinge structure (12).

4. The blade support apparatus of claim 1, wherein: the supporting surface of the blade groove (11) for supporting the blade (4) is provided with a rubber gasket.

5. The blade support apparatus according to any one of claims 1 to 4, wherein: the supporting part (2) comprises an expansion link (21) and a fixed rod (22), the expansion link (21) is sleeved with the fixed rod (22), and at least part of the expansion link (21) can be retracted into the fixed rod (22); the supporting portion (2) further comprises a locking portion, and the locking portion can lock the position of the telescopic rod (21) relative to the fixing rod (22).

6. The blade support apparatus of claim 5, wherein: the locking part is a locking knob (23) arranged on one side of the fixing rod (22), and the telescopic rod (21) and the fixing rod (22) can be relatively fixed by screwing the locking knob (23).

7. The blade support apparatus of claim 6, wherein: the locking knob (23) is a bolt.

8. The blade support apparatus of claim 5, wherein: the telescopic rod (21) and the fixing rod (22) are made of titanium alloy tubes.

9. The blade support apparatus of claim 5, wherein: the fixing lever (22) is provided with a grip (24), and the support part (2) is moved by holding the grip (24).

10. The blade support apparatus of claim 1, wherein: the base (3) comprises at least three supporting claws, and/or the base (3) is made of a titanium alloy material.