Oil-driven emergency rescue unmanned helicopter

Abstract

The utility model provides an oil-driven type emergency rescue unmanned helicopter. The oil-driven type emergency rescue unmanned helicopter comprises a helicopter body and an empennage assembly connected to the rear side of the helicopter body. Wherein the empennage assembly comprises a fixed joint, a first swing joint and a second swing joint; the first swing joint is hinged to the rear end of the fixed joint; the second swing joint is hinged to the swing end of the first swing joint, and a positioning structure is arranged between the second swing joint and the helicopter body. The helicopter body is connected with two clamping plates which are arranged up and down, and the adjacent side faces of the two clamping plates are each provided with a bent part. When the helicopter body needs to be stored, the first swing joint can be swung to be perpendicular to the fixed joint, the second swing joint can be swung to be perpendicular to the first swing joint, and swing of the second swing joint is limited through the two clamping plates. According to the oil-driven emergency rescue unmanned helicopter provided by the invention, the helicopter body can be folded and placed, and the convenience of the unmanned helicopter during storage and transportation is improved, so that the emergency rescue efficiency is ensured.

Description

Technical Field

[0001] The present application belongs to the technical field of emergency rescue equipment, and specifically relates to an oil-powered emergency rescue unmanned helicopter. Background Art

[0002] Since some emergency rescue areas are not convenient for people to enter, in order to ensure the efficiency of emergency rescue, an operation mode of performing emergency rescue by using unmanned helicopters is proposed in the prior art; among them, the existing unmanned helicopters can perform precise hovering and take-off and landing operations in a small space, and usually have the characteristics of large load capacity, long flight time, multi-purpose, safety and reliability, and are suitable for performing tasks that require high precision and stability, such as aerial photography, search and rescue, and monitoring.

[0003] The existing unmanned helicopter includes a frame, a rotor and a tail wing; the inventor found that due to the existence of the tail wing, the horizontal length of the unmanned helicopter is relatively large, so there are certain inconveniences in the storage and transportation of the unmanned helicopter, which reduces the efficiency of emergency rescue. Utility Model Content

[0004] The embodiment of the present application provides an oil-powered emergency rescue unmanned helicopter, which aims to realize the folding and placement of the unmanned helicopter, improve the convenience of the unmanned helicopter during storage and transportation, and thus ensure the efficiency of emergency rescue.

[0005] To achieve the above purpose, the technical solution adopted in this application is:

[0006] Provided is an oil-powered emergency rescue unmanned helicopter, comprising a helicopter body and a tail assembly arranged at the rear side of the helicopter body; wherein the tail assembly comprises:

[0007] A fixed joint, fixedly connected to the rear end surface of the helicopter body, and its axial direction is parallel to the front-rear direction;

[0008] a first swing joint, hinged to the fixed joint in the up-down direction, and the first swing joint can swing to a state where its axial direction is parallel to or perpendicular to the axial direction of the fixed joint; when the axial direction of the first swing joint is perpendicular to the axial direction of the fixed joint, a swing end surface of the first swing joint is coplanar with one side of the helicopter body, or is located outside the helicopter body; and

[0009] A second swing joint is hinged at the swing end of the first swing joint in the up-down direction, and the second swing joint can swing to a state where its axial direction is parallel or perpendicular to the axial direction of the first swing joint; a positioning structure is provided between the second swing joint and the helicopter body; when the fixed joint, the first swing joint and the second swing joint are parallel to each other, the positioning structure can connect the second swing joint and the helicopter body to simultaneously limit the swing of the first swing joint and the second swing joint;

[0010] Among them, two clamping plates made of elastic material and arranged up and down are fixedly connected to the side of the helicopter body, and the adjacent sides of the two clamping plates have bending parts; when the axial direction of the first swing joint is perpendicular to the axial direction of the fixed joint and the axial direction of the second swing joint is perpendicular to the axial direction of the first swing joint, the second swing joint can be inserted between the two clamping plates, and the side of the second swing joint facing away from the helicopter body is in contact with the two bending parts.

[0011] In a possible implementation, the positioning structure includes:

[0012] A first positioning seat, detachably connected to the second swing joint;

[0013] Two second positioning seats are both fixedly connected to the rear end surface of the helicopter body and are arranged side by side in the left-right direction; and

[0014] Two alignment arms are respectively arranged on the left and right sides of the first positioning seat, and are respectively hinged to the left and right sides of the first positioning seat; and the two alignment arms can also be respectively connected to the two second positioning seats.

[0015] In a possible implementation, the first positioning seat includes:

[0016] A base is arranged at the lower side of the second swing joint, and its upper side has an embedding groove which runs through in the front-to-back direction and is used for embedding the second swing joint, and its upper side also has a plurality of first screws; and

[0017] A top cover is arranged on the upper side of the base and has a plurality of through holes which penetrate in the up-down direction and are used for the plurality of first screws to pass through in a one-to-one correspondence;

[0018] Among them, there are multiple first nuts between the top cover and the base; when the multiple first screws pass through the multiple through holes one by one, the multiple first nuts are threadedly connected with the multiple first screws to limit the top cover from moving back toward the base; and when the top cover and the base are connected and the second swing joint is embedded in the embedding groove, the lower side surface of the top cover abuts against the upper side surface of the second swing joint.

[0019] In a possible implementation, the base is provided with a lower through hole extending from the bottom of the embedding groove to the lower side of the base, and the top cover is provided with an upper through hole extending in the up-down direction and being suitable for being coaxially arranged with the lower through hole;

[0020] The second swing joint has a docking hole that penetrates in the up-down direction and is suitable for connecting the upper through hole and the lower through hole at the same time; and the second swing joint is connected to a first bolt that is suitable for passing through the upper through hole, the docking hole and the lower through hole from top to bottom, and the lower end of the first bolt is also connected to a second nut that is suitable for abutting the lower side of the base.

[0021] In a possible implementation, adjacent side surfaces of the two clamps have protrusions; when the second swing joint is inserted between the two clamps and the side of the second swing joint facing away from the helicopter body abuts against the two bending portions, the two protrusions are embedded in the docking hole.

[0022] In a possible implementation, both left and right sides of the base have second screw rods extending outward; each alignment arm is provided with a rear reserved hole suitable for the second screw rod on the same side to pass through, and a nut with a single opening structure is threadedly connected to the second screw rod;

[0023] When the second screw rod passes through the rear reserved hole and extends out, the nut is suitable for being threadedly connected with the second screw rod and is suitable for abutting against a side of the alignment arm facing away from the base.

[0024] In a possible implementation, the two second positioning seats each have an alignment hole that penetrates in the left-right direction, and each of the alignment arms has a front reserved hole that is suitable for being coaxially connected to the corresponding alignment hole; there is also a connecting seat between the two positioning seats, and the left and right sides of the connecting seat each have a threaded groove that is suitable for being coaxially connected to the alignment hole; each of the alignment arms also includes a second bolt that is used to be inserted between the mutually connected alignment holes and the front reserved holes and is threadedly connected to the threaded groove.

[0025] In a possible implementation, the connecting seat is fixedly connected to the rear end surface of the helicopter body.

[0026] In a possible implementation, a bracket for supporting on a horizontal plane is connected to the lower side of the helicopter body.

[0027] In a possible implementation, a water-cooled double-bar piston engine for driving the helicopter to fly is connected to the lower side of the helicopter body.

[0028] In the embodiment of the present application, by swinging the first swing joint to a state perpendicular to the fixed joint, and swinging the second swing joint to a state perpendicular to the first swing joint, the second swing joint is embedded between the two clamping plates and abuts against the two bending portions, the tail wing assembly can be folded, thereby reducing space occupancy.

[0029] Compared with the prior art, the oil-powered emergency rescue unmanned helicopter provided in this embodiment can realize the folding and placement of the unmanned helicopter, improve the convenience of the unmanned helicopter during storage and transportation, and thus ensure the efficiency of emergency rescue. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 One of the three-dimensional structural schematic diagrams of the oil-powered emergency rescue unmanned helicopter provided in the embodiment of the present application;

[0031] Figure 2 for Figure 1 A partial enlarged schematic diagram of the upper circle A;

[0032] Figure 3 for Figure 1 A partial enlarged schematic diagram of the upper circle B;

[0033] Figure 4 The second schematic diagram of the three-dimensional structure of the oil-powered emergency rescue unmanned helicopter provided in the embodiment of the present application;

[0034] Figure 5 An exploded schematic diagram of the second positioning seat and the alignment arm used in the embodiment of the present application;

[0035] Figure 6 An exploded schematic diagram of the space between the first positioning seat and the second swing joint used in the embodiment of the present application;

[0036] Figure 7 An exploded schematic diagram of a first positioning seat used in an embodiment of the present application;

[0037] Figure 8 A schematic diagram of the structure of the splint used in the embodiment of the present application in a cross-sectional view;

[0038] Explanation of the accompanying drawings: 1. helicopter body; 11. bracket; 2. tail assembly; 21. fixed joint; 22. first swing joint; 23. second swing joint; 231. docking hole; 3. first positioning seat; 31. base; 311. embedded groove; 312. first screw; 313. first nut; 314. lower through hole; 315. second screw; 316. nut; 32. top cover; 321. upper through hole; 322. through hole; 4. second positioning seat; 41. alignment hole; 5. alignment arm; 51. rear reserved hole; 52. front reserved hole; 53. second bolt; 6. clamp; 61. bending portion; 62. raised portion; 7. first bolt; 71. second nut; 8. double-bar piston engine; 9. connecting seat; 91. threaded groove. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0040] Please also read Figures 1 to 8 The oil-powered emergency rescue unmanned helicopter provided by the present application is now described. The oil-powered emergency rescue unmanned helicopter proposed in the present application comprises a helicopter body 1 and a tail assembly 2 arranged on one side of the helicopter body 1; in this embodiment, for the convenience of description, the front of the helicopter body 1 is defined as the front, that is, the side where the tail assembly 2 is located is the rear side of the helicopter body 1.

[0041] In this embodiment, the tail assembly 2 includes a fixed joint 21 , a first swing joint 22 and a second swing joint 23 .

[0042] The fixing section 21 is fixedly connected to the rear end surface of the helicopter body 1 and extends toward the rear side of the helicopter body 1 , that is, its axial direction is parallel to the front-rear direction.

[0043] The first swing joint 22 is hinged at the rear end of the fixed joint 21 in the up-down direction, and the first swing joint 22 can swing to a state where its axial direction is parallel or perpendicular to the axial direction of the fixed joint 21; wherein, when the axial direction of the first swing joint 22 is perpendicular to the axial direction of the fixed joint 21, the swing end face of the first swing joint 22 is coplanar with one side of the helicopter body 1, or is located on the outside of the helicopter body 1.

[0044] The second swing joint 23 is hinged at the swing end of the first swing joint 22 in the up and down direction, and the second swing joint 23 can swing to a state where its axis is parallel or perpendicular to the axis of the first swing joint 22; a positioning structure is provided between the second swing joint 23 and the helicopter body 1; when the fixed joint 21, the first swing joint 22 and the second swing joint 23 are parallel to each other, the positioning structure can connect the second swing joint 23 and the helicopter body 1 to simultaneously limit the swinging of the first swing joint 22 and the second swing joint 23.

[0045] Among them, two clamps 6 made of elastic material and arranged up and down are fixedly connected to the side of the helicopter body 1, and the adjacent sides of the two clamps 6 have bending portions 61; when the axial direction of the first swing joint 22 is perpendicular to the axial direction of the fixed joint 21 and the axial direction of the second swing joint 23 is perpendicular to the axial direction of the first swing joint 22, the second swing joint 23 can be inserted between the two clamps 6, and the side of the second swing joint 23 facing away from the helicopter body 1 is in contact with the two bending portions 61, thereby limiting the swinging of the second swing joint 23 away from the helicopter body 1 without the participation of external force.

[0046] In the embodiment of the present application, by swinging the first swing joint 22 to a state perpendicular to the fixed joint 21, and swinging the second swing joint 23 to a state perpendicular to the first swing joint 22, the second swing joint 23 is embedded between the two clamps 6 and abuts against the two bending portions 61, the tail assembly 2 can be folded, thereby reducing the space occupied by this part of the tail assembly 2.

[0047] Compared with the prior art, the oil-powered emergency rescue unmanned helicopter provided in this embodiment can realize the folding and placement of the unmanned helicopter, improve the convenience of the unmanned helicopter during storage and transportation, and thus ensure the efficiency of emergency rescue.

[0048] In some embodiments, Figure 2 and Figure 3 As shown, the positioning structure includes a first positioning seat 3, two second positioning seats 4 and two alignment arms 5.

[0049] The first positioning seat 3 is detachably connected to the second swing joint 23 .

[0050] The two second positioning seats 4 are both fixedly connected to the rear end surface of the helicopter body 1, and are arranged in parallel along the left-right direction.

[0051] The two alignment arms 5 are respectively arranged on the left and right sides of the first positioning seat 3, and are respectively hinged to the left and right sides of the first positioning seat 3; in actual use, the two alignment arms 5 can also be respectively connected to the two second positioning seats 4, thereby limiting the swing of the second swing joint 23 relative to the helicopter body 1.

[0052] In some embodiments, Figure 6 and Figure 7 As shown, the first positioning seat 3 includes a base 31 and a top cover 32 .

[0053] The base 31 is disposed at the lower side of the second swing joint 23 , and its upper side has an embedding groove 311 that penetrates along the front-to-back direction for the second swing joint 23 to be embedded, and its upper side also has a plurality of first screws 312 .

[0054] The top cover 32 is disposed on the upper side of the base 31 and has a plurality of through holes 322 which penetrate in the up-down direction and are used for the plurality of first screw rods 312 to pass through in a one-to-one correspondence.

[0055] In this embodiment, a plurality of first nuts 313 are further provided between the top cover 32 and the base 31;

[0056] When the multiple first screws 312 pass through the multiple through holes 322 one by one, the multiple first nuts 313 are threadedly connected to the multiple first screws 312 to limit the top cover 32 from moving away from the base 31; and when the top cover 32 and the base 31 are connected and the second swing joint 23 is embedded in the groove 311, the lower side surface of the top cover 32 abuts against the upper side surface of the second swing joint 23, thereby achieving a stable connection relationship with the second swing joint 23.

[0057] In some embodiments, Figure 6 and Figure 7 As shown, the base 31 is provided with a lower through hole 314 which passes from the bottom of the embedding groove 311 to the lower side of the base 31, and the top cover 32 is provided with an upper through hole 321 which passes through in the up-down direction and is suitable for being coaxially arranged with the lower through hole 314;

[0058] The second swing joint 23 has a docking hole 231 that penetrates in the up-down direction and is suitable for connecting the upper through hole 321 and the lower through hole 314 at the same time; and, the second swing joint 23 is connected with a first bolt 7 that is suitable for passing through the upper through hole 321, the docking hole 231 and the lower through hole 314 from top to bottom, and the lower end of the first bolt 7 is also connected with a second nut 71 that is suitable for abutting the lower side surface of the base 31.

[0059] In some embodiments, Figure 4 and Figure 8 As shown, the adjacent sides of the two clamps 6 have protrusions 62; when the second swing joint 23 is inserted between the two clamps 6 and the side of the second swing joint 23 facing away from the helicopter body 1 abuts against the two bent portions 61, the two protrusions 62 are embedded in the docking hole 231, thereby further limiting the second swing joint 23 from escaping from the space between the two clamps 6.

[0060] In some embodiments, Figure 6As shown, both sides of the base 31 have a second screw 315 extending outward; each alignment arm 5 is provided with a rear reserved hole 51 suitable for the second screw 315 on the same side to pass through, and the second screw 315 is also threadedly connected with a nut 316 with a single opening structure.

[0061] When the second screw rod 315 passes through the rear reserved hole 51 and extends out, the nut 316 is suitable for being threadedly connected with the second screw rod 315 and is suitable for abutting against the side of the alignment arm 5 facing away from the base 31 .

[0062] In some embodiments, Figure 3 and Figure 5 As shown, the two second positioning seats 4 each have an alignment hole 41 that passes through in the left-right direction, and each alignment arm 5 has a front reserved hole 52 that is suitable for coaxially connecting with the corresponding alignment hole 41; there is also a connecting seat 9 between the two positioning seats, and the left and right sides of this connecting seat 9 both have a threaded groove 91 that is suitable for coaxially connecting with the alignment hole 41.

[0063] In this embodiment, each alignment arm 5 further includes a second bolt 53 which is inserted between the alignment hole 41 and the front reserved hole 52 which are connected to each other and is threadedly connected to the thread groove 91 .

[0064] In some embodiments, Figure 3 As shown, the connection seat 9 is fixedly connected to the rear end surface of the helicopter body 1 to improve the connection strength between the connection seat 9 and the helicopter body 1, and between the alignment arm 5 and the helicopter body 1.

[0065] In some embodiments, Figure 1 and Figure 4 As shown, the lower side of the helicopter body 1 is connected to a bracket 11 for supporting it on a horizontal plane; this bracket 11 can prevent the lower side of the helicopter body 1 from contacting the ground, thereby ensuring that the lower side has a certain storage space; at the same time, referring to the design of the aforementioned first swing joint 22 and the second swing joint 23, this bracket 11 also has the function of adjusting the height of the folding area, so that the operator can adjust it more conveniently.

[0066] In some embodiments, Figure 1 and Figure 4 As shown, the lower side of the helicopter body 1 is connected to a water-cooled double-bar piston engine 8 for driving it to fly; wherein, the water-cooled double-bar piston engine 8 has the advantages of high power, small size, low fuel consumption, etc., and is suitable for supplying energy to drive the helicopter body 1.

[0067] The above content is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An oil-powered emergency rescue unmanned helicopter, comprising a helicopter body and a tail assembly arranged at the rear side of the helicopter body; characterized in that: The tail assembly comprises: A fixed joint, fixedly connected to the rear end surface of the helicopter body, and its axial direction is parallel to the front-rear direction; a first swing joint, hinged to the fixed joint in the up-down direction, and the first swing joint can swing to a state where its axial direction is parallel to or perpendicular to the axial direction of the fixed joint; when the axial direction of the first swing joint is perpendicular to the axial direction of the fixed joint, a swing end surface of the first swing joint is coplanar with one side of the helicopter body, or is located outside the helicopter body; and A second swing joint is hinged at the swing end of the first swing joint in the up-down direction, and the second swing joint can swing to a state where its axial direction is parallel or perpendicular to the axial direction of the first swing joint; a positioning structure is provided between the second swing joint and the helicopter body; when the fixed joint, the first swing joint and the second swing joint are parallel to each other, the positioning structure can connect the second swing joint and the helicopter body to simultaneously limit the swing of the first swing joint and the second swing joint; Among them, two clamping plates made of elastic material and arranged up and down are fixedly connected to the side of the helicopter body, and the adjacent sides of the two clamping plates have bending parts; when the axial direction of the first swing joint is perpendicular to the axial direction of the fixed joint and the axial direction of the second swing joint is perpendicular to the axial direction of the first swing joint, the second swing joint can be inserted between the two clamping plates, and the side of the second swing joint facing away from the helicopter body is in contact with the two bending parts.

2. The oil-powered emergency rescue unmanned helicopter according to claim 1, characterized in that: The positioning structure comprises: A first positioning seat, detachably connected to the second swing joint; Two second positioning seats are both fixedly connected to the rear end surface of the helicopter body and are arranged side by side in the left-right direction; and Two alignment arms are respectively arranged on the left and right sides of the first positioning seat, and are respectively hinged to the left and right sides of the first positioning seat; and the two alignment arms can also be respectively connected to the two second positioning seats.

3. The oil-powered emergency rescue unmanned helicopter according to claim 2, characterized in that: The first positioning seat comprises: A base is arranged at the lower side of the second swing joint, and its upper side has an embedding groove which runs through in the front-to-back direction and is used for embedding the second swing joint, and its upper side also has a plurality of first screws; and A top cover is arranged on the upper side of the base and has a plurality of through holes which penetrate in the up-down direction and are used for the plurality of first screws to pass through in a one-to-one correspondence; Among them, there are multiple first nuts between the top cover and the base; when the multiple first screws pass through the multiple through holes one by one, the multiple first nuts are threadedly connected with the multiple first screws to limit the top cover from moving back toward the base; and when the top cover and the base are connected and the second swing joint is embedded in the embedding groove, the lower side surface of the top cover abuts against the upper side surface of the second swing joint.

4. The oil-powered emergency rescue unmanned helicopter according to claim 3, characterized in that: The base is provided with a lower through hole extending from the bottom of the embedding groove to the lower side of the base, and the top cover is provided with an upper through hole extending in the up-down direction and being suitable for being coaxially arranged with the lower through hole; The second swing joint has a docking hole that penetrates in the up-down direction and is suitable for connecting the upper through hole and the lower through hole at the same time; and the second swing joint is connected to a first bolt that is suitable for passing through the upper through hole, the docking hole and the lower through hole from top to bottom, and the lower end of the first bolt is also connected to a second nut that is suitable for abutting the lower side of the base.

5. The oil-powered emergency rescue unmanned helicopter according to claim 4, characterized in that: The adjacent sides of the two clamps have protrusions; when the second swing joint is inserted between the two clamps and the side of the second swing joint facing away from the helicopter body abuts against the two bending parts, the two protrusions are embedded in the docking hole.

6. The oil-powered emergency rescue unmanned helicopter according to claim 3, characterized in that: The left and right sides of the base are both provided with second screw rods extending outwards; each of the alignment arms is provided with a rear reserved hole suitable for the second screw rod on the same side to pass through, and a nut with a single opening structure is also threadedly connected to the second screw rod; When the second screw rod passes through the rear reserved hole and extends out, the nut is suitable for being threadedly connected with the second screw rod and is suitable for abutting against a side of the alignment arm facing away from the base.

7. The oil-powered emergency rescue unmanned helicopter according to claim 2, characterized in that: The two second positioning seats each have an alignment hole that penetrates in the left-right direction, and each of the alignment arms has a front reserved hole that is suitable for being coaxially connected to the corresponding alignment hole; there is also a connecting seat between the two positioning seats, and the left and right sides of the connecting seat each have a threaded groove that is suitable for being coaxially connected to the alignment hole; each of the alignment arms also includes a second bolt that is used to be inserted between the mutually connected alignment holes and the front reserved holes and is threadedly connected to the threaded groove.

8. The oil-powered emergency rescue unmanned helicopter according to claim 7, characterized in that: The connecting seat is fixedly connected to the rear end surface of the helicopter body.

9. The oil-powered emergency rescue unmanned helicopter according to claim 1, characterized in that: The lower side of the helicopter body is connected with a bracket for supporting on a horizontal plane.

10. The oil-powered emergency rescue unmanned helicopter according to any one of claims 1 to 9, characterized in that: The lower side of the helicopter body is connected with a water-cooled double-bar piston engine for driving the helicopter to fly.

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