1. The foldable vector sensor mounting frame is characterized by comprising a support (1) and a telescopic sleeve (12), wherein the support (1) is rotatably connected with the telescopic sleeve (12) through a switching part, the switching part comprises an outer claw disc (9) installed at the end part of the support (1) and an inner claw disc (10) installed at the end part of the telescopic sleeve (12), the inner claw disc (10) is embedded with the outer claw disc (9) and is provided with a rotating shaft screw (4) and at least one unscrewing screw (5); a vector sensor (13) is installed at the free end of the telescopic sleeve (12), and the free end of the support (1) is installed on an airplane body; the support (1) and the telescopic sleeve (12) are both hollow structures, and a cable of the vector sensor (13) extends into the telescopic sleeve (12) and is connected into an airplane body through the inside of the support (1).

2. The foldable vector sensor mounting frame according to claim 1, wherein a junction of the support (1) and the telescopic sleeve (12) is further provided with a switching tube (15), two ends of the switching tube (15) are respectively communicated with the support (1) and the inside of the telescopic sleeve (12) through a lead-in seat (14), a cable of the vector sensor (13) extends into the switching tube (15) from the telescopic sleeve (12) and enters the support (1) through the lead-in seat (14), and finally enters the aircraft body through the support (1).

3. The foldable vector sensor mounting frame according to claim 1 or 2, wherein the switching part is composed of an outer claw disc (9) and an inner claw disc (10), one end of the outer claw disc (9) is a convex pin and is embedded in the end part of the support (1), the other end of the outer claw disc is a multilayer sheet structure, one end of the inner claw disc (10) is welded on the end part of the telescopic sleeve (12), the other end of the inner claw disc is a multilayer sheet structure matched with the outer claw disc (9), the multilayer sheet structure of the inner claw disc (10) is one layer less than that of the outer claw disc (9), and the multilayer sheet structure of the inner claw disc (10) is embedded in the multilayer sheet structure of the outer claw disc (9).

4. The foldable vector sensor mounting frame according to claim 3, wherein the multi-layer structure of the outer claw disk (9) and the inner claw disk (10) is in a fan shape, after being embedded together, the top point and the two sides of the multi-layer structure are respectively provided with a conical through hole near the circular arc, a rotating shaft screw (4) is inserted in the conical through hole at the top point, a unscrewing screw (5) is inserted in the conical through hole at the two sides near the circular arc, the lower parts of the rotating shaft screw (4) and the unscrewing screw (5) extend out of the multi-layer structure of the outer claw disk (9) and the inner claw disk (10) which are embedded together and are fixed through a screw sleeve (18), and the screw sleeve (18) is fixedly arranged at the bottom of the multi-layer structure of the outer claw disk (9).

5. The foldable vector sensor mounting frame according to claim 4, wherein the rotating shaft screw (4) and the unscrewing screw (5) are respectively nested with a conical bushing (7), the conical angle of the conical bushing (7) is the same as the conical angle of the conical through hole of the outer claw disc (9) and the conical through hole of the inner claw disc (10), the lower part of the conical bushing (7) on the rotating shaft screw (4) is further provided with a limiting ring (8), the bottom surface of the stud of the rotating shaft screw (4) is provided with a threaded hole, the threaded hole is internally threaded with a fixing screw (16), and the fixing screw (16) is nested with a retaining ring (17); the upper parts of the conical bushings (7) on the unscrewing screws (5) are provided with fixing strips (6).

6. The foldable vector sensor mounting frame according to claim 5, wherein the convex pin at one end of the outer claw disk (9) is inserted into the end of the support (1) and positioned by the positioning pin (2), and is fixed with the end of the support (1) by a plurality of fastening screws (3).

7. The foldable vector sensor mounting frame according to any one of claims 1 to 6, wherein the telescopic sleeve (12) comprises an inner cylinder with an inner claw disk (10) fixed at one end and an outer cylinder with a vector sensor (13) mounted at one end, the inner cylinder is nested in the outer cylinder, and the telescopic length is limited by a limit screw (11) arranged on the outer wall of the outer cylinder.

8. The foldable vector sensor mounting frame according to any of the claims 1 to 6, characterized in that the free end of the support (1) is provided with a base fixedly connected with the aircraft body.

Background

The vector sensor of the helicopter is a precision measurement sensor and is used for measuring parameters such as speed, height, temperature and the like of the helicopter in flight. For the accuracy of measured data, generally all install far away from the fuselage, the ring flange of vector sensor mounting bracket is installed on the aircraft fuselage, and vector sensor is installed to the other end, and vector sensor mounting bracket perpendicular to fuselage installation, when helicopter need get into narrow and small hangar or other means of transportation in, vector sensor need occupy great space, is not convenient for helicopter warehouse entry and transportation.

Disclosure of Invention

The invention aims to provide a foldable vector sensor mounting frame which eliminates the mounting clearance of a folding part, improves the resetting precision of a vector sensor, is parallel to an airplane body after being folded and can reduce the occupied space.

In order to achieve the purpose, the invention is realized by the following technical scheme: a foldable vector sensor mounting frame comprises a support and a telescopic sleeve, wherein the support and the telescopic sleeve are rotatably connected through a switching part, the switching part comprises an outer claw disc and an inner claw disc, the outer claw disc is mounted at the end part of the support, the inner claw disc is mounted at the end part of the telescopic sleeve, the inner claw disc and the outer claw disc are embedded together, and a rotating shaft screw and at least one unscrewing screw are mounted on the inner claw disc; the free end of the telescopic sleeve is provided with a vector sensor, and the free end of the support is arranged on the airplane body; the support and the telescopic sleeve are both hollow structures, and a cable of the vector sensor extends into the telescopic sleeve and is connected into the aircraft body through the inside of the support.

The working principle of the technical scheme is that the folding is realized through the matching of the inner claw disc and the outer claw disc, so that the vector sensor mounting frame can be folded to be parallel to an airplane body, the occupied space is reduced, and the airplane can be conveniently stored and transported. Because this installing support is installed at the aircraft organism, therefore its in structural design aspect need consider security and steadiness, neither can influence vector sensor's normal work, also can not cause extra burden for the aircraft, consequently in structural design aspect, it is very exquisite and complicated to guarantee the flight safety of aircraft, and in order to guarantee folding effect, set up the rotation mode of inner claw dish and outer claw dish complex specially, this kind of rotation structure is similar to the pivot, but compare better than pivot stability, after adopting titanium alloy material to make, its durability and flexibility ratio all exceed general folding mechanism.

In order to better realize the invention, furthermore, a switching tube is arranged at the joint of the support and the telescopic sleeve, two ends of the switching tube are respectively communicated with the support and the interior of the telescopic sleeve through a connecting and leading seat, a cable of the vector sensor extends into the switching tube from the telescopic sleeve and enters the interior of the support through the connecting and leading seat, and finally enters the aircraft body through the support.

In order to better realize the invention, the switching part is composed of an outer claw disc and an inner claw disc, one end of the outer claw disc is a convex pin and is embedded in the end part of the support, the other end of the outer claw disc is of a multilayer sheet structure, one end of the inner claw disc is welded on the end part of the telescopic sleeve, the other end of the inner claw disc is of a multilayer sheet structure matched with the outer claw disc, the multilayer sheet structure of the inner claw disc is one layer less than that of the outer claw disc, and the multilayer sheet structure of the inner claw disc is embedded in the multilayer sheet structure of the outer claw disc.

In order to better realize the invention, the multilayer sheet structures of the inner claw disc and the outer claw disc are in a fan shape, after the inner claw disc and the outer claw disc are embedded together, conical through holes are respectively arranged at the top point and the two sides close to the circular arcs, a rotating shaft screw is inserted in the conical through hole at the top point, a unscrewing screw is respectively inserted in the conical through holes at the two sides close to the circular arcs, the lower parts of the rotating shaft screw and the unscrewing screw extend out of the multilayer sheet structures of the inner claw disc and the outer claw disc which are embedded together and are fixed through screw sleeves, and the screw sleeves are fixedly arranged at the bottom of the multilayer sheet structures of the outer claw disc.

In order to better realize the invention, the rotating shaft screw and the unscrewing screw are respectively nested with a conical bushing, the conical angle of the conical bushing is the same as the conical angle of the conical through holes of the outer claw disc and the inner claw disc, the lower part of the conical bushing on the rotating shaft screw is also provided with a limiting ring, the bottom surface of the stud of the rotating shaft screw is provided with a threaded hole, the threaded hole is internally threaded with a fixing screw, and the fixing screw is nested with a retainer ring; and the upper parts of the conical bushings on the unscrewing screws are provided with fixing strips.

In order to better realize the invention, further, a convex pin at one end of the outer claw disk is inserted into the end part of the support and is positioned by a positioning pin, and the convex pin is fixed with the end part of the support by a plurality of fastening screws.

In order to better realize the invention, the telescopic sleeve further comprises an inner cylinder with one end fixed with an inner claw disc and an outer cylinder with one end provided with a vector sensor, the inner cylinder is nested in the outer cylinder, and the telescopic length is limited by a limit screw arranged on the outer wall of the outer cylinder.

In order to better implement the invention, further, the free end of the support is provided with a base fixedly connected with the airplane body.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) the invention provides a novel mounting rack for mounting a vector sensor on an airplane body, which can be folded by matching an inner claw disc and an outer claw disc, so that the mounting rack for the vector sensor can be folded to be parallel to the airplane body, the occupied space is reduced, and the airplane can be conveniently put in storage and transported;

(2) the mounting frame provided by the invention is suitable for mounting an airplane body, is exquisite in structural design, convenient to use, good in stability and high in resetting progress, does not cause extra burden to the airplane body, completely hides a cable of the vector sensor, does not influence the normal operation and use of the vector sensor, and is suitable for wide popularization and application.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural breakdown diagram of the present invention;

FIG. 3 is a structural diagram illustrating a use state of the present invention;

FIG. 4 is a schematic cross-sectional view of a portion of the present invention.

Wherein: the device comprises a support 1, a positioning pin 2, a positioning pin 3, a fastening screw 4, a rotating shaft screw 5, a unscrewing screw 6, a fixing strip 7, a conical bushing 8, a limiting ring 9, an outer claw disc 10, an inner claw disc 11, a limiting screw 12, a telescopic sleeve 13, a vector sensor 14, a connecting and guiding seat 15, an adapter tube 16, a fixing screw 17, a retaining ring 18 and a screw sleeve 18.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

the main structure of this embodiment, as shown in fig. 1 and fig. 2, includes a support 1 and a telescopic sleeve 12, the support 1 and the telescopic sleeve 12 are rotatably connected through a transfer portion, the transfer portion includes an outer claw disc 9 mounted at an end of the support 1 and an inner claw disc 10 mounted at an end of the telescopic sleeve 12, the inner claw disc 10 and the outer claw disc 9 are embedded together, and a rotating shaft screw 4 and at least one unscrewing screw 5 are mounted; the free end of the telescopic sleeve 12 is provided with a vector sensor 13, and the free end of the support 1 is arranged on an airplane body; the support 1 and the telescopic sleeve 12 are both hollow structures, and a cable of the vector sensor 13 extends into the telescopic sleeve 12 and is connected into an airplane body through the inside of the support 1.

The specific implementation mode is that the vector sensor 13 is installed at the free end of the telescopic sleeve 12, the free end of the support 1 is fixed on the airplane body, and the cable of the vector sensor 13 is completely hidden inside the support 1 and the telescopic sleeve 12 and is connected into the airplane body. When the mounting rack is normally used, the outer claw disc 9 and the inner claw disc 10 are fastened through the rotating shaft screw 4 and the unscrewing screw 5, so that the rigidity of the mounting rack is improved; when the airplane needs to be put in storage or transported during landing, the rotating shaft screw 4 is unscrewed, the unscrewing screw 5 in the switching part is taken down, the rotating shaft screw 4 is taken as an axis, the support 1 and the telescopic sleeve 12 are rotated, the mounting frame is folded to be parallel to an airplane body, the occupied space is reduced, and the airplane is convenient to put in storage and transport.

Example 2:

in this embodiment, on the basis of the above embodiment, an adapter tube 15 is further added, as shown in fig. 1 and fig. 2, an adapter tube 15 is further disposed at a connection position between the support 1 and the telescopic sleeve 12, two ends of the adapter tube 15 are respectively communicated with the support 1 and the inside of the telescopic sleeve 12 through a connection guide seat 14, a cable of the vector sensor 13 extends into the adapter tube 15 from the telescopic sleeve 12 and enters the support 1 through the connection guide seat 14, and the cable enters the aircraft body through the adapter tube 15 and finally enters the aircraft body through the support 1. Add switching pipe 15, mainly because outer claw dish 9 of switching portion department and the gomphosis of interior claw dish 10, there is not the cable conductor of channel arrangement vector sensor 13, there is the risk that exposes outside in the cable conductor of switching portion, consequently set up switching pipe 15 very much, make vector sensor 13's cable conductor also can hide completely in switching portion, avoid the cable conductor to expose risk outside, and the setting that connects seat 14 is then for in cable conductor bending part, protect the cable conductor, avoid causing wearing and tearing to the cable in the department of buckling. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 3:

in this embodiment, on the basis of the above embodiment, the structure of the switching part is further limited, as shown in fig. 2, the switching part is composed of an outer claw disc 9 and an inner claw disc 10, one end of the outer claw disc 9 is a convex pin and is embedded in the end of the support 1, the other end of the outer claw disc is a multi-layer sheet structure, one end of the inner claw disc 10 is welded at the end of the telescopic sleeve 12, the other end of the inner claw disc is a multi-layer sheet structure matched with the outer claw disc 9, the multi-layer sheet structure of the inner claw disc 10 is one layer less than that of the outer claw disc 9, and the multi-layer sheet structure of the outer claw disc 9 is embedded in the multi-layer sheet structure of the outer claw disc 9. The structural design of the outer claw disc 9 and the inner claw disc 10 is an important guarantee that the mounting rack can be folded and stabilized normally, and the structure of the mounting rack embedded together is more stable compared with a common pivot structure. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 4:

in this embodiment, on the basis of the above embodiments, the structure of the transition part is further limited, as shown in fig. 2 and 4, the multi-layer sheet structures of the outer claw disc 9 and the inner claw disc 10 are both fan-shaped, after they are embedded together, tapered through holes are respectively provided at the vertex and both sides near the circular arcs, a rotating shaft screw 4 is inserted in the tapered through hole at the vertex, an unscrewing screw 5 is respectively inserted in the through holes at both sides near the circular arcs, the multi-layer sheet structures of the outer claw disc 9 and the inner claw disc 10 embedded together are extended from the lower parts of the rotating shaft screw 4 and the unscrewing screw 5 and fixed by a screw sleeve 18, and the screw sleeve 18 is fixedly provided at the bottom of the multi-layer sheet structure of the outer claw disc 10. The rotating shaft screw 4 mainly plays a role in rotating shaft and fixing, the unscrewing screw 5 mainly plays a role in fixing, the lower portion of the inner claw disc 10 is provided with a threaded sleeve 18 matched with the rotating shaft screw 4 and the unscrewing screw 5, the installation of the rotating shaft screw 4 and the unscrewing screw 5 is mainly facilitated, the threaded sleeve 18 and the lower portion of the outer claw disc 10 are of an integrated structure, and the lower portion of the outer claw disc 10 can also be fixed to the lower portion of the outer claw disc 10 through screws. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 5:

in this embodiment, on the basis of the above embodiments, the structure of the adapter is further limited, as shown in fig. 2 and 4, a taper bush 7 is further respectively nested on the rotating shaft screw 4 and the unscrewing screw 5, the taper angle of the taper bush 7 is the same as the taper angle of the taper through holes of the outer claw disc 9 and the inner claw disc 10, a limit ring 8 is further mounted on the lower portion of the taper bush 7 on the rotating shaft screw 4, a threaded hole is formed in the bottom surface of the stud of the rotating shaft screw 4, a fixing screw 16 is connected to the threaded hole in a threaded manner, and a retaining ring 17 is nested on the fixing screw 16; the upper parts of the conical bushings 7 on the unscrewing screws 5 are provided with fixing strips 6. The arrangement of the taper bush 7 is mainly to eliminate the longitudinal clearance of the taper through holes of the outer claw disc 9 and the inner claw disc 10, prevent the outer claw disc 9 and the inner claw disc 10 from swinging longitudinally, improve the reset precision of the outer claw disc 9 and the inner claw disc 10, and the arrangement of the limiting ring 8 is to force the taper bush 7 to be separated from the taper through holes of the outer claw disc 9 and the inner claw disc 10 upwards in the unscrewing process of the rotating shaft screw 4 and the unscrewing screw 5. In addition, in order to well ensure the rotation of the outer claw disc 9 and the inner claw disc 10, a fixing strip 6 is particularly arranged on the unscrewing screw 5, so that the fixing effect is further improved. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 6:

in the present embodiment, on the basis of the above embodiment, the structure of the adapter is further defined, as shown in fig. 2, the convex pin at one end of the outer claw disk 9 is inserted into the end of the support 1 and is positioned by the positioning pin 2, and is fixed with the end of the support 1 by a plurality of fastening screws 3. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 7:

in the present embodiment, the structure of the telescopic sleeve 12 is further defined on the basis of the above-mentioned embodiments, as shown in fig. 1, fig. 2 and fig. 3, the telescopic sleeve 12 includes an inner cylinder with an inner claw disk 10 fixed at one end, and an outer cylinder with a vector sensor 13 mounted at one end, the inner cylinder is nested in the outer cylinder, and the telescopic length is defined by a limit screw 11 disposed on the outer wall of the outer cylinder. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

Example 8:

the present embodiment further defines the structure of the support 1 on the basis of the above embodiments, as shown in fig. 1, fig. 2, and fig. 3, the free end of the support 1 is provided with a base fixedly connected with the airframe of the airplane. Other parts of this embodiment are the same as those of the above embodiment, and are not described again here.

It will be appreciated that the working principle and operation of the mounting bracket structure of the vector sensor according to an embodiment of the present invention, such as the stop collar 8 and the taper bush 7, are well known to those skilled in the art and will not be described in detail herein.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.