Helicopter blade mooring device

Abstract

The present invention discloses a helicopter blade mooring device, comprising a five-pronged member, a fixed plate assembly, a connecting rod, a blade clamp, and a tail rotor blade. The five-pronged member comprises a five-pronged member body and arms uniformly arranged on the side walls of the five-pronged member body. The fixed plate assembly is arranged on the upper surface of the five-pronged member. The fixed plate assembly comprises a handle, a screw rod, a fixed plate, a pressure block, a hook, and a fixed point in order from top to bottom. One end of the connecting rod is detachably connected to the fixed point on the fixed plate. The blade clamp is fixedly connected to the other end of the connecting rod. The blade clamp is fixedly arranged on the tail rotor blade. The present invention plays the role of pulling or supporting the blade by arranging the connecting rod, the fixed plate assembly, and the blade clamp, so that the blade remains stable and does not dance with the wind, thereby improving the stability of the blade.

Description

Technical Field

[0001] The invention relates to the field of blade technology equipment, in particular to a helicopter blade mooring device. Background Art

[0002] When a helicopter is parked outdoors in bad weather, the blades will swing violently up and down under the action of strong winds, which can easily damage the blades. It is necessary to design a blade retention device to protect the blades to avoid damage under the action of strong winds. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0004] The present invention provides a helicopter blade mooring device, comprising:

[0005] A five-pronged member, the five-pronged member comprises a five-pronged member body, and arms evenly arranged on the side walls of the five-pronged member body, the arms are arranged in at least five groups, the front and rear side walls of the arms are both provided with grooves, and the ends of the arms away from the five-pronged member body are provided with joints,

[0006] A fixed plate assembly, the fixed plate assembly is arranged on the upper surface of the five-pronged member, and the fixed plate assembly includes a handle, a screw, a fixed plate, a pressure block, and a hook from top to bottom in sequence. The fixed plate and the pressure block are arranged on the screw and are threadedly connected with the screw. The pressure block is pressed against the upper surface of the five-pronged member body through the screw. The fixed plate is fixed to the upper surface of the pressure block through the screw. The handle is fixedly arranged on the upper end of the screw. The hook is engaged with the groove on the support arm. A fixed point is arranged at the end of the fixed plate away from the screw.

[0007] A connecting rod, one end of which is detachably connected to a fixing point on the fixing plate,

[0008] a blade clamp, wherein the blade clamp is fixedly connected to the other end of the connecting rod,

[0009] The tail rotor blade is fixedly arranged on the blade clamp.

[0010] Preferably, the connecting rod includes a rod body, a connecting shaft, and a joint bearing. The connecting shaft is fixedly arranged at both ends of the rod body, and the joint bearing is fixedly arranged on the connecting shaft. The connecting rod and the fixed point on the fixed plate are detachably connected through the joint bearing and a quick-release pin.

[0011] Preferably, the blade clamp includes a lower blade splint, a square card, a handle, a lock seat, and an upper blade splint, the lower blade splint is arranged on the lower surface of the tail blade, the upper blade splint is arranged on the upper surface of the tail blade, the handle is hingedly arranged at one end of the upper blade splint, the handle is provided with a square card at the junction of the lower blade splint and the upper blade splint, the lower blade splint is provided with a slot matching the square card, the lower blade splint and the upper blade splint are fixed by matching the square card with the slot, the upper blade splint is provided with a lock seat, and the lock seat can fix the handle.

[0012] Preferably, in order to prevent the blade clamp from causing scratches on the surface of the tail rotor blade during and after installation, the inner surfaces of the lower blade plate and the upper blade plate are provided with a protective layer.

[0013] Preferably, a locking nut is provided on the screw rod, and the locking nut is located between the handle and the fixing plate.

[0014] Preferably, the contact surface of the screw and the pressure block is connected by a self-lubricating gasket to ensure that the pressure block will not be driven to rotate when the screw is rotated and tightened, thereby preventing the pressure block from rubbing against the outer surface of the five-pronged component body to damage the surface coating. The hook and the bottom surface of the pressure block are provided with a protective layer to prevent scratches on the surface of the five-pronged component body during installation and disassembly.

[0015] Preferably, a fixing seat is further provided on the blade upper clamping plate, a fixing rod is provided on the fixing seat, and the connecting rod and the blade clamp are fixedly connected to the spherical bearing via the fixing rod.

[0016] Beneficial effects of the present invention

[0017] The present invention provides a connecting rod, a fixed plate assembly and a blade clamp to pull or support the blade, so that the blade remains stable and does not dance with the wind, thereby improving the stability of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention.

[0019] Figure 2 for Figure 1 Side view of the structure in state.

[0020] Figure 3 It is an assembly diagram of the five-fork member and the fixed plate assembly structure of the present invention.

[0021] Figure 4 It is a schematic structural diagram of the fixed disk assembly of the present invention.

[0022] Figure 5 It is a schematic diagram of the connecting rod structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the blade clamp structure of the present invention.

[0024] Explanation of the reference numerals in the accompanying drawings: 1. five-pronged member; 11. five-pronged member body; 12. support arm; 13. groove; 14. joint; 2. fixed plate assembly; 21. handle; 22. screw; 23. fixed plate; 24. pressure block; 25. hook; 26. fixing point; 27. anti-loosening nut; 3. connecting rod; 31. rod body; 32. connecting shaft; 33. spherical bearing; 4. blade clamp; 41. lower blade clamp; 42. square card; 43. handle; 44. lock seat; 45. upper blade clamp; 46. fixing seat; 47. fixing rod; 5. tail rotor blade. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example

[0027] like Figure 1-Figure 6 As shown, the present invention provides a helicopter blade mooring device, comprising:

[0028] A five-pronged member 1, comprising a five-pronged member body 11, and arms 12 evenly arranged on the side walls of the five-pronged member body 11, wherein the arms 12 are arranged in at least five groups, and grooves 13 are provided on the front and rear side walls of the arms 12, and joints 14 are provided at the ends of the arms 12 away from the five-pronged member body 11,

[0029] A fixed plate assembly 2, the fixed plate assembly 2 is arranged on the upper surface of the five-pronged member 1, and the fixed plate assembly 2 includes a handle 21, a screw 22, a fixed plate 23, a pressure block 24, and a hook 25 from top to bottom. The fixed plate 23 and the pressure block 24 are arranged on the screw 22 and are threadedly connected with the screw 22. The pressure block 24 is pressed against the upper surface of the five-pronged member body 11 through the screw 22. The fixed plate 23 is fixed to the upper surface of the pressure block 24 through the screw 22. The handle 21 is fixedly arranged on the upper end of the screw 22. The hook 25 is engaged with the groove 13 on the support arm 12. A fixing point 26 is arranged at the end of the fixed plate 23 away from the screw 22.

[0030] The connecting rod 3 has one end detachably connected to the fixed point 26 on the fixed plate 23. The connecting rod 3 includes a rod body 31, a connecting shaft 32, and a joint bearing 33. The connecting shaft 32 is fixedly arranged at both ends of the rod body 31. The joint bearing 33 is fixedly arranged on the connecting shaft 32. The connecting rod 3 is detachably connected to the fixed point 26 on the fixed plate 23 through the joint bearing 33 and a quick release pin.

[0031] The blade clamp 4 is fixedly connected to the other end of the connecting rod 3, and the blade clamp 4 includes a lower blade clamp 41, a square card 42, a handle 43, a lock seat 44, and an upper blade clamp 45. The lower blade clamp 41 is arranged on the lower surface of the tail rotor blade 5, and the upper blade clamp 45 is arranged on the upper surface of the tail rotor blade 5. The handle 43 is hingedly arranged at one end of the upper blade clamp 45, and the handle 43 is provided with a square card at the intersection of the lower blade clamp 41 and the upper blade clamp 45. 42, the blade lower clamping plate 41 is provided with a card slot matched with the square clamp 42, the blade lower clamping plate 41 and the blade upper clamping plate 45 are fixed by the square clamp 42 and the card slot, the blade upper clamping plate 45 is provided with a lock seat 44, the lock seat 44 can fix the handle 43, the blade upper clamping plate 45 is also provided with a fixing seat 46, the fixing seat 46 is provided with a fixing rod 47, the connecting rod 3 and the blade clamp 4 are fixedly connected with the joint bearing 33 through the fixing rod 47,

[0032] A tail rotor blade 5, wherein the blade clip 4 is fixedly arranged on the tail rotor blade 5;

[0033] During use, the blade clamp 4 is first fixed to the upper and lower surfaces of the tail blade 5 through the lower blade clamp plate 41 and the upper blade clamp plate 45, and then the square clamp 42 is buckled into the clamping groove of the lower blade clamp plate 41 and the handle 43 is pushed into the lock seat 44 to complete the fixation of the blade clamp 4 on the tail blade 5. One end of the connecting rod 3 is fixedly connected to the blade clamp 4 and the joint bearing 33 through the fixing rod 47.

[0034] The fixing plate assembly 2 is installed and fixed at the center of the five-pronged member body 11, providing a firm and reliable mooring point for the mooring of the blades. During installation, the hook 25 on the fixing plate assembly 2 is put into the gap of the arm 12 of the five-pronged member 1, and the hook 25 is evenly fitted into the groove 13 to hang the arm 12 by rotating it clockwise. Then, the screw 22 on the fixing plate assembly 2 is tightened by the handle 21 to make the pressing block 24 press against the outer surface of the five-pronged member body 11, so that it is fixed reliably. The other end of the connecting rod 3 is detachably connected to the fixing point 26 on the fixing plate 23 through the joint bearing 33 and the quick-release pin, that is, the mooring operation of the tail rotor of the present invention is completed. The connecting rod 3, the fixing plate assembly 2 and the blade clamp 4 play the role of pulling or supporting the blades, so that the blades remain stable and do not dance with the wind, thereby improving the stability of the blades.

[0035] In order to prevent the blade clamp 4 from bumping and scratching the surface of the tail blade 5 during and after installation, the inner surfaces of the blade lower clamping plate 41 and the blade upper clamping plate 45 are provided with a protective layer.

[0036] The contact surface of the screw rod 22 and the pressing block 24 is connected by a self-lubricating gasket, so as to ensure that the pressing block 24 will not be driven to rotate when the screw rod 22 is rotated and pressed, thereby preventing the pressing block 24 from rubbing against the outer surface of the five-pronged member body 11 and damaging the surface coating. The hook 25 and the bottom surface of the pressing block 24 are provided with a protective layer to prevent the surface of the five-pronged member body 11 from being scratched during installation and removal.

[0037] The screw rod 22 is provided with a locking nut 27, and the locking nut 27 is located between the handle 21 and the fixing plate 23. The locking nut 27 stabilizes the screw rod 22 and the fixing plate 23 to prevent them from loosening.

[0038] In this embodiment, the shielding layer and the protective layer are both made of EPDM rubber layer, which has low density and excellent properties such as weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, and color stability.

[0039] How it works

[0040] The present invention is a helicopter blade mooring device, and the components are distributed as follows: Figure 1-Figure 6 As shown, when in use, the blade clamp 4 is first fixed to the upper and lower surfaces of the tail blade 5 through the lower blade clamp plate 41 and the upper blade clamp plate 45, and then the square clamp 42 is buckled into the clamping groove of the lower blade clamp plate 41 and the handle 43 is pushed into the lock seat 44 to complete the fixing of the blade clamp 4 on the tail blade 5. One end of the connecting rod 3 is fixedly connected to the blade clamp 4 and the joint bearing 33 through the fixing rod 47.

[0041] The fixed plate assembly 2 is installed and fixed at the center of the five-pronged member body 11, providing a firm and reliable mooring point for the blade mooring. During installation, the hook 25 on the fixed plate assembly 2 is inserted into the empty space of the support arm 12 of the five-pronged member 1, and is rotated clockwise a little to make the hook 25 evenly fit into the groove 13 to hook the support arm 12, and then the screw 22 on the fixed plate assembly 2 is used to tighten the handle 21 to make the pressure block 24 press against the outer surface of the five-pronged member body 11, so that it is fixed reliably. The other end of the connecting rod 3 is detachably connected to the fixing point 26 on the fixed plate 23 through the joint bearing 33 and the quick-release pin, thereby completing the mooring operation of the tail rotor of the present invention. The connecting rod 3, the fixed plate assembly 2 and the blade clamp 4 play the role of pulling or supporting the blades, so that the blades remain stable and do not dance with the wind, thereby improving the stability of the blades.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A helicopter blade mooring device, characterized in that: include, A five-pronged member (1), the five-pronged member (1) comprising a five-pronged member body (11), support arms (12) evenly arranged on the side walls of the five-pronged member body (11), the support arms (12) being arranged in at least five groups, the front and rear side walls of the support arms (12) both being provided with grooves (13), and the ends of the support arms (12) away from the five-pronged member body (11) being provided with joints (14), A fixed plate assembly (2), the fixed plate assembly (2) being arranged on the upper surface of the five-pronged member (1), the fixed plate assembly (2) comprising, from top to bottom, a handle (21), a screw rod (22), a fixed plate (23), a pressure block (24), and a hook (25), the fixed plate (23) and the pressure block (24) being arranged through the screw rod (22) and being threadedly connected to the screw rod (22), the pressure block (24) being pressed against the upper surface of the five-pronged member body (11) through the screw rod (22), the fixed plate (23) being fixed to the upper surface of the pressure block (24) through the screw rod (22), the handle (21) being fixedly arranged at the upper end of the screw rod (22), the hook (25) being arranged to be engaged with the groove (13) on the support arm (12), and a fixing point (26) being arranged at the end of the fixed plate (23) away from the screw rod (22), A connecting rod (3), one end of the connecting rod (3) being detachably connected to a fixing point (26) on the fixing plate (23), a blade clamp (4), wherein the blade clamp (4) is fixedly connected to the other end of the connecting rod (3), A tail rotor blade (5), wherein the blade clamp (4) is fixedly arranged on the tail rotor blade (5); The connecting rod (3) comprises a rod body (31), a connecting shaft (32), and a joint bearing (33); the connecting shaft (32) is fixedly arranged at both ends of the rod body (31); the joint bearing (33) is fixedly arranged on the connecting shaft (32); the connecting rod (3) is detachably connected to a fixed point (26) on the fixing plate (23) via the joint bearing (33) and a quick-release pin; The blade clamp (4) comprises a blade lower clamp (41), a square clamp (42), a handle (43), a lock seat (44), and a blade upper clamp (45), wherein the blade lower clamp (41) is arranged on the lower surface of the tail blade (5), the blade upper clamp (45) is arranged on the upper surface of the tail blade (5), the handle (43) is hingedly arranged at one end of the blade upper clamp (45), the handle (43) is provided with a square clamp (42) at the junction of the blade lower clamp (41) and the blade upper clamp (45), the blade lower clamp (41) is provided with a clamping groove matched with the square clamp (42), the blade lower clamp (41) and the blade upper clamp (45) are fixed by the square clamp (42) and the clamping groove, and the blade upper clamp (45) is provided with a lock seat (44), and the lock seat (44) can fix the handle (43); The screw rod (22) is provided with a locking nut (27), and the locking nut (27) is located between the handle (21) and the fixing plate (23).

2. A helicopter blade mooring device according to claim 1, characterized in that: In order to prevent the blade clamp (4) from causing scratches on the surface of the tail rotor blade (5) during and after installation, the inner surfaces of the lower blade clamp (41) and the upper blade clamp (45) are provided with a protective layer.

3. A helicopter blade mooring device according to claim 1, characterized in that: The contact surfaces of the screw rod (22) and the pressing block (24) are connected by a self-lubricating gasket, thereby ensuring that the pressing block (24) will not be driven to rotate when the screw rod (22) is rotated and pressed, thereby preventing the pressing block (24) from rubbing against the outer surface of the five-pronged component body (11) to damage the surface coating. The hook (25) and the bottom surface of the pressing block (24) are provided with a protective layer to prevent the surface of the five-pronged component body (11) from being scratched or damaged during installation and removal.

4. A helicopter blade mooring device according to claim 1, characterized in that: A fixing seat (46) is also provided on the blade upper clamping plate (45), a fixing rod (47) is provided on the fixing seat (46), and the connecting rod (3) and the blade clamp (4) are fixedly connected to the joint bearing (33) via the fixing rod (47).

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