Helicopter blade tethering device

Abstract

The present application relates to a kind of helicopter blade mooring device, the device includes longitudinal feed mechanism, transverse feed mechanism and vertical feed mechanism;Longitudinal feed mechanism includes two longitudinal beams, the longitudinal motion beam of guiding movement assembly between two longitudinal beams, the longitudinal driving structure for driving longitudinal motion beam movement;Transverse feed mechanism includes the transverse motion column of guiding movement assembly on longitudinal motion beam and along vertical extension, the transverse driving structure for driving transverse motion column movement;Vertical feed mechanism includes the vertical motion beam of guiding movement assembly on transverse motion column, the vertical driving structure for driving vertical motion beam movement;Vertical motion beam is equipped with support limiting structure, support limiting structure includes the support bottom wall for supporting helicopter blade and the two limiting side walls for limiting the transverse movement of blade.The present application effectively solves the problem of safety accident and mooring efficiency low in prior art due to manual mooring blade.

Description

Technical Field

[0001] The invention relates to a helicopter blade mooring device and belongs to the technical field of helicopters. Background Art

[0002] As one of the most distinctive creations of 20th century aviation technology, the helicopter has greatly expanded the application scope of aircraft. As a typical dual-use product, it is widely used in transportation, patrol, tourism, rescue and other fields.

[0003] Ship-borne helicopters face severe safety challenges due to the rolling, pitching, and heaving motions of ships at sea. This is particularly true for helicopter blades, which are prone to swinging and causing damage or even breakage in the violent rocking conditions of the sea. To address this issue, conventional helicopters typically tether their blades when moored to a ship to prevent damage or breakage.

[0004] In the prior art, shipborne helicopter blades are typically moored using mooring devices, such as those disclosed in Chinese Invention Patent Application Publication No. CN105799917A, Chinese Invention Patent Application Publication No. CN110884675A, and Chinese Utility Model Patent Application Grant No. CN213443084U. These mooring devices primarily consist of a support mechanism and a blade retaining sleeve mounted at the end of the support mechanism. Manual operation is required to engage the blade retaining sleeve with each rotor blade, connecting the support mechanism to the helicopter fuselage or a ground-mounted stop, thereby achieving mooring of the helicopter rotor.

[0005] However, when manually mooring the blades, the mooring efficiency is low, especially when the sea is shaking violently. Not only is it difficult and not easy to manually moor the blades, which further reduces the mooring efficiency, but the shaking of the ship and the swinging of the blades can easily cause the operator to bump into something, resulting in a safety accident. Summary of the Invention

[0006] The object of the present invention is to provide a helicopter blade mooring device to solve the problems of safety accidents caused by manual mooring of blades and low mooring efficiency in the prior art.

[0007] In order to solve the above problems, the helicopter blade mooring device in the present invention adopts the following technical solutions:

[0008] A helicopter blade mooring device includes a longitudinal feed mechanism, a transverse feed mechanism and a vertical feed mechanism; the longitudinal feed mechanism includes two longitudinal beams, a longitudinal motion beam assembled between the two longitudinal beams along a longitudinal guide and perpendicular to the two longitudinal beams, and a longitudinal drive structure for driving the longitudinal motion beam to move longitudinally; the transverse feed mechanism includes a transverse motion column assembled on the longitudinal motion beam along a transverse guide and extending vertically, and a transverse drive structure for driving the transverse motion column to move transversely; the vertical feed mechanism includes a vertical motion beam assembled on the transverse motion column along a vertical guide, and a vertical drive structure for driving the vertical motion beam to move up and down; a support and limiting structure is provided on the vertical motion beam, the support and limiting structure including a support bottom wall for supporting the helicopter blade and two limiting side walls for limiting the lateral movement of the helicopter blade.

[0009] The beneficial effect of the above technical solution is that: in the helicopter blade mooring device of the present invention, not only can the supporting bottom wall of the support and limiting structure be used to support the helicopter blade, but the limiting side wall of the support and limiting structure can also be used to limit the lateral movement of the blade, thereby realizing the mooring of the blade and preventing the blade from being damaged or broken due to shaking or swaying. Moreover, since the support and limiting structure is arranged on the vertical motion beam, the vertical motion beam guide movement is assembled on the lateral motion column, the vertical motion structure can drive the vertical motion beam to move vertically, the lateral motion column guide movement is assembled on the longitudinal motion beam, and the lateral driving structure can drive the lateral motion column to move horizontally. Since the longitudinal motion beam guide is assembled between the two longitudinal beams, the longitudinal drive structure can drive the longitudinal motion beam to move longitudinally, thereby realizing the movement of three degrees of freedom of the support and limiting structure, facilitating the adjustment of the spatial position of the support and limiting structure, and thus facilitating the mooring of the blades; compared with the prior art, the present invention can not only stop and limit the swinging or shaking of the blades through the support and limiting structure to ensure that the blades are not damaged or broken, but also realize automatic mooring of the blades without manual operation, which is beneficial to improving the mooring efficiency of the blades, and also avoids safety accidents such as bumps and collisions of operators, and has better safety.

[0010] Furthermore, the support and limiting structure includes two clamps, and the two limiting side walls are respectively arranged on the opposite sides of the two clamps. At least one of the two clamps is a movable clamp assembled on the vertical moving beam along the lateral guide movement. The helicopter blade mooring device also includes a clamping drive structure, which is used to drive the movable clamp to move laterally to clamp the fixed blade.

[0011] The beneficial effect of the above technical solution is that the lateral driving of the movable clamping claw by the clamping drive structure not only facilitates the blade to enter between the two clamping claws and completes the clamping and fixing of the blade, but also can adjust the position of the movable clamping claw according to the size of the blade, which facilitates the mooring of blades of different sizes. In addition, the clamping of the two clamping claws increases the limiting effect of the support limiting structure on the blade.

[0012] Furthermore, the clamping drive structure includes a clamping drive motor fixed to the movable clamping jaw, a gear is connected to the output shaft of the clamping drive motor, and a rack structure meshing with the gear and extending laterally is provided on the vertical motion beam.

[0013] The beneficial effect of the above technical solution is that the gear rack transmission not only facilitates the driving of the movable clamping jaws, but also reduces the space occupied by the clamping drive structure, thereby facilitating the arrangement of the clamping drive structure.

[0014] Furthermore, the vertical motion beam is provided with a guide groove which extends transversely and vertically penetrates the vertical motion beam, the movable clamp is guided and moved and assembled in the guide groove, and the rack structure is arranged on the inner wall of the guide groove.

[0015] The beneficial effect of the above technical solution is that: through the guiding movement of the movable clamp in the guide groove, the guiding movement coordination between the movable clamp and the vertical moving beam is facilitated, and the structure of the guiding movement coordination between the two is simplified. At the same time, the guide groove can also provide a better guiding effect on the movable clamp.

[0016] Furthermore, the two clamps are both L-shaped and include vertical sections and horizontal sections arranged perpendicular to each other. The vertical section of the movable clamp is used to guide the movement and is assembled on the vertical moving beam. The horizontal section of the movable clamp is located between the vertical sections of the two clamps, and the two limiting side walls are respectively arranged on the two vertical sections.

[0017] The beneficial effects of the above technical solution are: the movable clamp facilitates the guidance and movement coordination with the vertical moving beam through the vertical section, and also facilitates the clamping and fixation of the blades. The movable clamp can limit the blades in the vertical direction through the horizontal section, preventing the blades from falling out upward, and has a better limiting effect on the blades.

[0018] Furthermore, one of the two jaws is a movable jaw and the other is a fixed jaw. The horizontal section of the fixed jaw is located between the vertical sections of the two jaws and is fixed on the vertical moving beam. The top surface of the horizontal section of the fixed jaw constitutes the supporting bottom wall.

[0019] The beneficial effect of the above technical solution is that the fixed clamp can not only constrain the lateral movement of the blade through the vertical section, but also support the blade through the horizontal section, reducing the damage to the vertical moving beam caused by the blade shaking, which is conducive to extending the service life.

[0020] Furthermore, flexible parts are fixed on the supporting bottom wall and the two limiting side walls, or the supporting limiting structure is a flexible part.

[0021] The beneficial effect of the above technical solution is that: through the flexible member, the blade can be prevented from being damaged when the clamp supports and limits the blade, and the blade has a good protective effect.

[0022] Furthermore, two transverse motion columns are installed on the longitudinal motion beam for guiding movement, and a vertical motion beam is installed on each transverse motion column, and each vertical motion beam is arranged between the two transverse motion columns.

[0023] The beneficial effects of this technical solution are that it not only protects the support and limiting structures on the vertical motion beam through the two transverse motion columns, preventing them from being bumped and optimizing the structural layout, but also facilitates the mooring of adjacent propeller blades due to the limited spacing between adjacent folded blades. Furthermore, by adding support and limiting structures on the vertical motion beam, the number of moored propeller blades can be increased, thus enhancing the applicability of the device.

[0024] Furthermore, each of the two longitudinal beams is correspondingly provided with a longitudinal drive structure, and both ends of the longitudinal motion beam are transmission-connected to the two longitudinal drive structures respectively.

[0025] The beneficial effect of the above technical solution is that the longitudinal moving beam can be moved more stably in the longitudinal direction by driving the two ends of the longitudinal moving beam by the longitudinal driving structure.

[0026] Furthermore, the longitudinal drive structure, the transverse drive structure and the vertical drive structure are respectively a rack and pinion mechanism or a screw and nut mechanism.

[0027] The beneficial effect of the above technical solution is that the gear rack mechanism and the screw nut mechanism facilitate the driving of the corresponding moving beam or moving column, and can also relatively accurately control the moving position of the corresponding moving beam or moving column. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a perspective view of a helicopter blade mooring device according to the present invention;

[0029] Figure 2 It is a schematic diagram of the working state of the helicopter blade mooring device in the present invention.

[0030] In the figure: 10, longitudinal beam; 20, longitudinal drive motor; 30, longitudinal motion beam; 40, transverse drive motor; 50, transverse motion column; 51, vertical guide groove; 60, vertical drive motor; 70, vertical motion beam; 71, transverse guide groove; 80, movable clamp; 90, clamping drive motor; 100, fixed clamp; 110, blade. DETAILED DESCRIPTION

[0031] In order to make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein may be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely intended to represent selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0033] It should be noted that, in the specific embodiments of the present invention, terms such as "first" and "second" and other relational terms that may appear are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, terms such as "include", "comprise" or any other variants thereof that may appear are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the phrase "including a ..." or other defined elements that may appear does not exclude the presence of other identical elements in the process, method, article or device that includes the elements.

[0034] In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0035] In the description of the present invention, unless otherwise expressly specified or limited, the terms "provided with" and "provided with" should be understood broadly. For example, the object "provided with" may be a part of the main body, or may be arranged separately from the main body and connected to the main body. The connection may be detachable or non-detachable. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0036] The present invention is described in further detail below with reference to the examples.

[0037] Embodiment 1 of the helicopter blade mooring device of the present invention:

[0038] In this embodiment, the helicopter blade mooring device is installed on the hangar roof of the ship. It is used to moor each helicopter blade 110 after it is longitudinally folded to a storage position, thereby preventing the blades 110 from being damaged or broken during severe ship hull shaking. The helicopter blade mooring device in this embodiment is only applicable to helicopters with two blades 110 per rotor.

[0039] like Figure 1 As shown, the helicopter blade mooring device includes a longitudinal feed mechanism comprising two spaced longitudinal beams 10, a longitudinal motion beam 30 mounted between and perpendicular to the longitudinal beams 10 and guided longitudinally for movement, and a longitudinal drive structure for driving the longitudinal motion beam 30 in longitudinal motion. Both longitudinal beams 10 are intended to be mounted on the hangar ceiling. The longitudinal drive structure is a screw-nut mechanism comprising two longitudinal drive motors 20 mounted on the same side ends of the two longitudinal beams 10. The output end of each longitudinal drive motor 20 is connected to a longitudinally extending drive screw. The axial ends of the longitudinal motion beam 30 are respectively connected to the two drive screws. When the two longitudinal drive motors 20 synchronously drive the two drive screws to rotate, the axial ends of the longitudinal motion beam 30 are driven to move synchronously on the corresponding longitudinal beams 10, thereby driving the longitudinal motion beam 30 as a whole.

[0040] like Figure 1 As shown, the helicopter blade mooring device also includes a transverse feed mechanism, which includes a transverse motion post 50 extending vertically and mounted on the longitudinal motion beam 30 for transverse guidance and movement, and a transverse drive structure for driving the transverse motion post 50 in transverse movement. Two transverse motion posts 50 are mounted on the longitudinal motion beam 30 for transverse guidance and movement, with the longitudinal motion beam 30 extending in the left-right direction. The two transverse motion posts 50 are arranged on the longitudinal motion beam 30 on both sides, and their upper ends are configured to cooperate with the longitudinal motion beam 30 for guidance and movement.

[0041] The transverse drive structure is a screw-nut mechanism, comprising two transverse drive motors 40 mounted on the left and right ends of the longitudinal motion beam 30, and two drive screws rotatably mounted on the longitudinal motion beam 30. The two drive screws are spaced apart on the longitudinal motion beam 30 and extend in the same direction as the longitudinal motion beam 30. The two drive screws respectively engage with the upper ends of two transverse motion columns 50 and are drivingly connected to the transverse drive motors 40 on the same side. When the two transverse drive motors 40 drive the corresponding drive screws to rotate, they drive the corresponding transverse motion column 50 to move left and right along the longitudinal motion beam 30.

[0042] like Figure 1 As shown, the lower end surface of each lateral motion column 50 is provided with a vertically extending vertical guide slot 51, which extends horizontally through the left and right sides of the lateral motion column 50. The helicopter blade mooring device also includes a vertical feed mechanism, which comprises a vertical motion beam 70 mounted on the lateral motion column 50 for vertical movement and a vertical drive structure for driving the vertical motion beam 70 up and down. Specifically, the vertical motion beam 70 extends horizontally and is mounted vertically within the vertical guide slot 51 of the lateral motion column 50 for vertical movement. The vertical motion beam 70 on each lateral motion column 50 is located between two lateral motion columns 50. The vertical drive structure is a rack-and-pinion mechanism, including a vertical drive motor 60. The vertical drive motor 60 is mounted on the opposite side of the two lateral motion columns 50. A gear is connected to the output end of the drive motor. A rack extending vertically and meshing with the gear is provided on the inner side of each vertical guide slot 51. When the vertical drive motor 60 drives the gear to rotate, the meshing of the gear and rack causes the vertical drive motor 60 to rise and fall vertically. The end of the vertical motion beam 70 near the vertical drive motor 60 not only cooperates with the guide slot of the corresponding lateral motion column 50 for guiding movement, but is also fixedly connected to the vertical drive motor 60. When the vertical drive motor 60 rises and falls vertically, it can drive the vertical motion beam 70 to rise and fall vertically.

[0043] like Figure 1As shown, the end face of the end of the vertical movement beam 70 away from the vertical driving motor 60 is provided with a transversely extending transverse guide groove 71, the transverse guide groove 71 penetrates the upper and lower two end faces of the vertical movement beam 70 in the up-down direction, and the inner side face of the transverse guide groove 71 is provided with a transversely extending rack, the lower of the vertical movement beam 70 is provided with a clamping driving motor 90, the output end of the clamping motor is provided with a gear engaged with the rack in the transverse guide groove 71, so that when the clamping driving motor 90 drives the gear to rotate, the clamping driving motor 90 can be moved in the left-right direction through the engagement of the gear and the rack. The upper of the vertical movement beam 70 is provided with a movable clamping jaw 80 and a fixed clamping jaw 100, the movable clamping jaw 80 and the fixed clamping jaw 100 are both L-shaped and include vertical segments and horizontal segments arranged perpendicular to each other, the horizontal segment of the movable clamping jaw 80 is located between the vertical segments of the two clamping jaws, the lower end of the vertical segment of the movable clamping jaw 80 is guided and moved to be assembled in the transverse guide groove 71 and is fixedly connected with the clamping driving motor 90, so that when the clamping driving motor 90 moves in the left-right direction, the movable clamping jaw 80 can be moved in the left-right direction. The horizontal segment of the fixed clamping jaw 100 is located between the vertical segments of the two clamping jaws and is fixed on the vertical movement beam 70, the horizontal segment of the fixed clamping jaw 100 is used for supporting the paddle 110, and the top face of the horizontal segment of the fixed clamping jaw 100 constitutes a support bottom wall for supporting the paddle 110. When the movable clamping jaw 80 moves close to the fixed clamping jaw 100 and clamps the fixed paddle 110, the vertical segments of the movable clamping jaw 80 and the fixed clamping jaw 100 will limit the transverse movement of the paddle 110, the opposite sides of the two clamping jaw vertical segments constitute limiting side walls, and the horizontal segment of the movable clamping jaw 80 can limit the vertical movement of the paddle 110 to prevent the paddle 110 from being pulled out in the vertical direction.

[0044] The movable clamping jaw 80 and the fixed clamping jaw 100 constitute a support and limiting structure for supporting and limiting the paddle 110, and one support and limiting structure supports and limits only one paddle 110; the clamping driving motor 90, the gear and the rack constitute a clamping driving structure for driving the movable clamping jaw 80 to move transversely.

[0045] In addition, the movable clamping jaw 80 and the fixed clamping jaw 100 are flexible members, such as rubber, etc., so that when the movable clamping jaw 80 and the fixed clamping jaw 100 clamp the paddle 110, the paddle 110 can be prevented from being damaged.

[0046] As shown in the figure, Figure 2 As shown, each transverse movement column 50 is provided with two vertical movement beams 70 guided and moved in the up-down direction, each vertical movement beam 70 is provided with a support and limiting structure and a clamping driving structure, so that the tethering of the coaxial double-rotor paddle 110 can be realized.

[0047] In addition, the helicopter blade mooring device also includes a control system, which is used to receive the mooring task command signal sent by the superior system and the spatial position information of the helicopter blade 110 after folding, and the control system is respectively connected to the longitudinal drive motor 20, the transverse drive motor 40, the vertical drive motor 60 and the clamping drive motor 90 to control the action of each drive motor.

[0048] The working principle of the helicopter blade mooring device in the present invention is:

[0049] After the helicopter is fixed to the storage position in the hangar, the blades 110 are folded to the storage state. After the control system receives the mooring task command signal sent by the superior system and the spatial position information of the helicopter blades 110 after folding, the control system controls the three-degree-of-freedom movement of the longitudinal feed mechanism, the lateral feed mechanism and the vertical feed mechanism according to the position information of the blades 110, so that the support limit structure moves to the vicinity of the end of the blade 110, and then the lateral feed mechanism moves along the direction of the blade 110 to the position of the blade 110, and the vertical feed mechanism is precisely adjusted so that the blade 110 is supported on the horizontal section of the fixed clamp 100, and the clamping drive motor 90 drives the movable clamp 80 to move close to the fixed clamp 100, and the movable clamp 80 and the fixed clamp 100 clamp the fixed blade 110, thereby achieving reliable mooring of the blade 110.

[0050] Furthermore, it should be noted that the system can be installed not only in a ship's hangar, but also in other helicopter storage locations. Furthermore, different numbers of longitudinal motion beams or transverse motion columns can be installed depending on the specific number of helicopter blades to achieve mooring of different numbers of blades.

[0051] Compared with the prior art, the helicopter blade mooring device of the present invention can not only clamp and fix the blades through the support and limiting structure and the clamping drive structure to prevent and limit the swinging or shaking of the blades, thereby ensuring that the blades are not damaged or broken, but also can automatically moor the blades through the longitudinal feed mechanism, the transverse feed mechanism and the vertical feed mechanism without manual operation, which is beneficial to improving the mooring efficiency of the blades, and also avoids safety accidents such as collisions of operators, and has higher safety.

[0052] Embodiment 2 of the helicopter blade mooring device of the present invention:

[0053] This embodiment differs from Example 1 in that, in Example 1, two transverse motion columns are provided as guides for movement on the longitudinal motion beam, and each transverse motion column is provided as a guide for movement on a vertical motion beam, thereby enabling the mooring of each helicopter blade via the support and limiting structures on each vertical motion beam. In contrast, in this embodiment, a single transverse motion column is provided as a guide for movement on the longitudinal motion beam, and a vertical motion beam is provided as a guide for movement on this transverse motion column. In this case, two helicopter blade mooring devices can be installed to moor each helicopter blade.

[0054] Embodiment 3 of the helicopter blade mooring device of the present invention:

[0055] This embodiment differs from Example 1 in that, in Example 1, the vertical section of the movable jaw is guided and assembled within a guide slot, the horizontal section of the movable jaw is located between the vertical sections of the two jaws, and the horizontal section of the fixed jaw is fixed to the vertical motion beam and located between the vertical sections of the two jaws. In this embodiment, the horizontal section of the fixed jaw is located laterally outward from the two jaws. In this case, the paddle is supported on the top surface of the vertical motion beam, which forms the bottom support wall for the paddle.

[0056] Embodiment 4 of the helicopter blade mooring device of the present invention:

[0057] The difference between this embodiment and embodiment 1 is that in embodiment 1, both the movable jaw and the fixed jaw are L-shaped. In this embodiment, both the movable jaw and the fixed jaw are vertically extending columns. In other embodiments, one of the movable jaw and the fixed jaw is L-shaped and the other is a vertically extending column.

[0058] Embodiment 5 of the helicopter blade mooring device of the present invention:

[0059] This embodiment differs from Embodiment 1 in that, whereas in Embodiment 1, the two clamping jaws are respectively a movable clamping jaw and a fixed clamping jaw, in this embodiment, both clamping jaws are fixed clamping jaws, and the fixed clamping jaws are welded to the vertical motion beam. In other embodiments, the vertical motion beam and the two fixed clamping jaws are integrally formed.

[0060] Example 6 of the helicopter blade mooring device of the present invention:

[0061] The difference between this embodiment and embodiment 1 is that in embodiment 1, both clamping jaws are flexible members. In this embodiment, flexible members are installed on opposite sides of both clamping jaws.

[0062] Example 7 of the helicopter blade mooring device of the present invention:

[0063] This embodiment differs from Example 1 in that, whereas in Example 1, the movable jaw is guided and mounted within a guide slot, and a rack is provided within the guide slot for meshing with the gear of the clamping drive motor, this embodiment, on the other hand, guides and mounts the movable jaw on the exterior of the vertical motion beam, with the rack provided on the side of the beam. The clamping drive motor is disposed between the lower end of the movable jaw and the side of the beam, such that the gear and rack mesh.

[0064] Example 8 of the helicopter blade mooring device of the present invention:

[0065] This embodiment differs from Embodiment 1 in that, whereas in Embodiment 1, two longitudinal drive motors synchronously drive the two ends of the longitudinal motion beam via two transmission screws, this embodiment has a single longitudinal drive motor, and the transmission screw of the longitudinal drive motor engages with a threaded portion in the middle of the longitudinal motion beam.

[0066] Embodiment 9 of the helicopter blade mooring device of the present invention:

[0067] This embodiment differs from Example 1 in that, in Example 1, the longitudinal and transverse drive structures are screw-nut mechanisms, and the vertical drive structure is a rack-and-pinion mechanism. In this embodiment, the longitudinal and transverse drive structures are rack-and-pinion mechanisms, and the vertical drive structure is a screw-nut mechanism. In this embodiment, the longitudinal, transverse, and vertical drive structures are each an electric push rod, a pneumatic push rod, or a hydraulic push rod.

[0068] Embodiment 10 of the helicopter blade mooring device of the present invention:

[0069] The difference between this embodiment and embodiment 1 is that in embodiment 1, the vertical motion beam is located between the two lateral motion columns, while in this embodiment, the vertical motion beam is located laterally outside the two lateral motion columns.

[0070] Example 11 of the helicopter blade mooring device of the present invention:

[0071] The difference between this embodiment and embodiment 1 is that, whereas in embodiment 1, the support and limiting structure is formed by two clamping claws on the vertical motion beam, in this embodiment, the support and limiting structure is a U-shaped groove provided on the vertical motion beam, the side walls of the U-shaped groove forming the limiting side walls, and the bottom wall of the U-shaped groove forming the supporting bottom wall.

[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The scope of patent protection of the present invention shall be based on the claims. Any equivalent structural changes made using the description and drawings of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A helicopter blade mooring device, characterized in that: The invention comprises a longitudinal feeding mechanism, a transverse feeding mechanism and a vertical feeding mechanism; the longitudinal feeding mechanism comprises two longitudinal beams (10), a longitudinal motion beam (30) which is assembled between the two longitudinal beams (10) and is perpendicular to the two longitudinal beams (10) along a longitudinal guide, and a longitudinal driving structure for driving the longitudinal motion beam (30) to move longitudinally; the transverse feeding mechanism comprises a transverse motion column (50) which is assembled on the longitudinal motion beam (30) along a transverse guide and extends vertically, and a transverse driving structure for driving the transverse motion column (50) to move transversely; the vertical feeding mechanism comprises a vertical motion beam (70) which is assembled on the transverse motion column (50) along a vertical guide, and a vertical driving structure for driving the vertical motion beam (70) to move up and down; a support and limiting structure is provided on the vertical motion beam (70), and the support and limiting structure comprises a support bottom wall for supporting a helicopter blade (110) and two limiting side walls for limiting the transverse movement of the helicopter blade (110).

2. The helicopter blade mooring device according to claim 1, characterized in that: The support and limiting structure includes two clamping jaws, and the two limiting side walls are respectively arranged on the opposite sides of the two clamping jaws. At least one of the two clamping jaws is a movable clamping jaw (80) assembled on a vertical moving beam (70) along a lateral guide movement. The helicopter blade mooring device also includes a clamping drive structure, which is used to drive the movable clamping jaw (80) to move along the lateral direction to clamp the fixed blade (110).

3. The helicopter blade mooring device according to claim 2, characterized in that: The clamping drive structure comprises a clamping drive motor (90) fixed to a movable clamping claw (80), a gear being connected to an output shaft of the clamping drive motor (90), and a rack structure meshing with the gear and extending laterally being provided on the vertical motion beam (70).

4. The helicopter blade mooring device according to claim 3, characterized in that: A guide groove extending laterally and vertically penetrating the vertical motion beam (70) is provided on the vertical motion beam (70); the movable clamping claw (80) is guided and moved and assembled in the guide groove; and the rack structure is arranged on the inner wall of the guide groove.

5. The helicopter blade mooring device according to any one of claims 2 to 4, characterized in that: The two clamping jaws are both L-shaped and include vertical sections and horizontal sections arranged perpendicular to each other. The vertical section of the movable clamping jaw (80) is used for guiding movement and is assembled on the vertical moving beam (70). The horizontal section of the movable clamping jaw (80) is located between the vertical sections of the two clamping jaws. The two limiting side walls are respectively arranged on the two vertical sections.

6. The helicopter blade mooring device according to claim 5, characterized in that: One of the two clamping jaws is a movable clamping jaw (80), and the other is a fixed clamping jaw (100). The horizontal section of the fixed clamping jaw (100) is located between the vertical sections of the two clamping jaws and is fixed on the vertical moving beam (70). The top surface of the horizontal section of the fixed clamping jaw (100) constitutes the supporting bottom wall.

7. The helicopter blade mooring device according to any one of claims 1 to 4, characterized in that: Flexible parts are fixed on the supporting bottom wall and the two limiting side walls, or the supporting limiting structure is a flexible part.

8. The helicopter blade mooring device according to any one of claims 1 to 4, characterized in that: Two transverse motion columns (50) are installed on the longitudinal motion beam (30) for guiding movement. A vertical motion beam (70) is installed on each transverse motion column (50). Each vertical motion beam (70) is arranged between the two transverse motion columns (50).

9. The helicopter blade mooring device according to any one of claims 1 to 4, characterized in that: The two longitudinal beams (10) are each correspondingly provided with a longitudinal drive structure, and the two ends of the longitudinal motion beam (30) are respectively connected in transmission with the two longitudinal drive structures.

10. The helicopter blade mooring device according to any one of claims 1 to 4, characterized in that: The longitudinal drive structure, the transverse drive structure and the vertical drive structure are respectively a rack and pinion mechanism or a screw and nut mechanism.

Images