CN213262881U - Advanced helicopter tail cabin door system - Google Patents

Abstract

The utility model relates to a helicopter hatch door technical field, concretely relates to advanced type helicopter tail cabin door system, including last cabin door assembly and the lower cabin door assembly of being connected with the helicopter organism respectively, last cabin door assembly includes the upper door body, is provided with on the last cabin door assembly and actuates the section of thick bamboo subassembly, goes up the hinge subassembly, goes up locking subassembly and throws the subassembly, and lower cabin door assembly includes the lower door body, is provided with on the lower cabin door assembly and actuates the section of thick bamboo subassembly down, lower hinge subassembly, lower locking subassembly, lower seal assembly, horizontal opening spacing subassembly, spacer subassembly and springboard subassembly, the utility model discloses a cabin door structure, subassembly such as lock mechanism have solved the receiving and releasing of helicopter tail hatch door jointly, many locks linkage, freight transportation system, emergent throwing device, the design problems such as door body supporting structure integration.

Description

Advanced helicopter tail cabin door system

Technical Field

The utility model relates to a helicopter hatch door technical field, concretely relates to advanced type helicopter tail cabin door system.

Background

In the field of existing helicopter hatches, the tail hatches are usually integrated mechanisms which are opened in a rotating manner, and due to factors such as structural design of a helicopter, the tail hatches are very inconvenient to use, are not only opened slowly, but also have single functions.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides an advanced type helicopter tail cabin door system, the technical problem that solve how to design one kind and control simple and convenient and possess high security collection receive and release, the door body, freight transportation, emergent helicopter tail cabin door system integrative such as throwing.

In order to solve the technical problem, the utility model provides a technical scheme is: an advanced helicopter tail cabin door system which is characterized in that: the helicopter cabin door assembly comprises an upper cabin door assembly and a lower cabin door assembly which are respectively connected with a helicopter body, wherein the bottom end of the upper cabin door assembly is connected with the top end of the lower cabin door assembly in a sealing manner, the upper cabin door assembly comprises an upper door body, an upper actuating cylinder assembly, an upper hinge assembly, an upper locking assembly and a throwing assembly are arranged on the upper cabin door assembly, the lower cabin door assembly comprises a lower door body, and a lower actuating cylinder assembly, a lower hinge assembly, a lower locking assembly, a lower sealing assembly, a horizontal opening limiting assembly, a cushion block assembly and a springboard assembly are arranged on the lower cabin door assembly;

the upper actuating cylinder assembly comprises upper actuating cylinders which are arranged on the inner side of the upper door body and located on two sides of the upper door body, the upper actuating cylinders are in transmission connection with electromagnetic valves, the lower actuating cylinder assembly comprises lower actuating cylinders which are arranged on the inner side of the lower door body and located on two sides of the lower door body, the lower actuating cylinders are also in transmission connection with the electromagnetic valves, the upper actuating cylinders are in transmission connection with the upper locking assembly, and the lower actuating cylinders are in transmission connection with the lower locking assembly.

Furthermore, go up the hinge subassembly including setting up last tail-gate side hinge on the inboard of the last door body, go up tail-gate side hinge's one end and last door body fixed connection, go up tail-gate side hinge's the other end and pass through first pivot swivelling joint fuselage side hinge, fuselage side hinge and helicopter organism fixed connection, the other end department of going up tail-gate side hinge still is provided with spacing boss, spacing boss and fuselage side hinge phase-match.

Furthermore, the upper locking assembly comprises servo motors which are arranged on two sides of the upper door body and located on the inner side of the upper door body, each servo motor is respectively in transmission connection with a connecting rod mechanism, and one end of each of the two connecting rod mechanisms is jointly connected with a bolt lock.

Furthermore, the upper throwing component comprises glass arranged at the bottom end of the upper door body, an embedded adhesive tape is hermetically arranged between the glass and the upper door body, throwing ribbons are respectively arranged on the inner side and the outer side of the upper door body, and the two throwing ribbons are respectively and fixedly connected with the embedded adhesive tape.

Further, the horizontal opening limiting assembly comprises horizontal mooring rings which are arranged on two sides of the lower door body and located on the inner side of the lower door body, a horizontal mooring steel cable is fixedly connected to the horizontal mooring rings, the bottom end of the horizontal mooring steel cable is clamped in the horizontal mooring rings, and the top end of the horizontal mooring steel cable is fixedly connected with the helicopter body.

Further, the cushion block assembly comprises two rubber blocks which are arranged on two sides of the lower door body and close to the top end of the lower door body, the rubber blocks are located on the outer side of the lower door body, and the rubber blocks are fixedly connected with the cross beam and the longitudinal beam of the lower door body through bolts.

Furthermore, lower locking subassembly is including setting up the both sides of the door body down and being located the inboard hasp lock seat of the door body down, and hasp lock seat and the lock body phase-match on the helicopter organism.

Furthermore, the springboard assembly comprises a springboard mounting seat mounted at the top end of the lower door body, a second shaft pin penetrates through the springboard mounting seat, a shaft pin blocking piece is arranged on the second shaft pin, a springboard is fixedly connected with the second shaft pin, one end of the springboard is rotatably arranged on the lower door body through the second shaft pin, the other end of the springboard is fixedly connected with the inner side surface of the lower door body through a pull rod, and the two ends of the pull rod are movably and fixedly connected with the springboard and the lower door body through a third shaft pin.

Further, lower hinge subassembly is including setting up the lower tail-gate side hinge mount pad in the bottom of the lower door body, rotates through the pivot on the lower tail-gate side hinge mount pad to be connected with organism side hinge mount pad, still is provided with the hinge mount reinforcing plate between lower tail-gate side hinge mount pad and the lower door body.

The beneficial effect that this technical scheme brought is: the utility model relates to an advanced helicopter tail cabin door system, through the hatch door structure, door lock mechanism and so on subassembly have solved receiving and releasing of helicopter tail hatch door jointly, many locks linkage, freight transportation system, emergent throwing device, design problems such as door body bearing structure integration, wherein, the gangboard subassembly can form the boarding passageway of helicopter about the vehicle, lower door body is opened back accessible cushion block subassembly and is made its bottom plate keep and the level, make things convenient for freight and put in goods and materials etc. in the air, lower seal assembly provides reliable seal ring for the hatch door is whole, helicopter and airborne personnel's safety on the aircraft when having guaranteed flight, throwing mechanism can provide evacuation passageway under the emergency for airborne personnel, go up the position locking function that locking assembly and lower locking assembly can realize upper and lower hatch door.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an advanced helicopter tail door system according to an embodiment of the present invention;

FIG. 2 is another schematic structural view of an advanced helicopter stern door system according to an embodiment of the present invention;

FIG. 3 is a schematic view of another embodiment of an advanced helicopter tail door system according to the present invention;

FIG. 4 is a schematic view of the structure at I in FIG. 1;

FIG. 5 is a schematic structural view of an upper locking assembly in an embodiment of an advanced helicopter tail door system of the present invention;

FIG. 6 is a schematic view of the structure at II in FIG. 1;

fig. 7 is a schematic cross-sectional view of an advanced helicopter stern door system of the present invention showing a jettisoning mechanism in an exemplary embodiment;

FIG. 8 is a schematic structural view of an advanced helicopter tailgate system according to an embodiment of the present invention showing a horizontal opening limit assembly;

FIG. 9 is a schematic structural view of an advanced helicopter tailgate system according to an embodiment of the present invention showing a pad assembly;

FIG. 10 is a schematic view of the structure at III in FIG. 1;

FIG. 11 is a schematic structural view of a second axis pin in an embodiment of an advanced helicopter tail door system according to the present invention;

FIG. 12 is a schematic view of the structure of FIG. 2 at IV;

in the figure: 1-upper cabin door assembly, 2-lower cabin door assembly, 11-upper door body, 12-upper actuating cylinder assembly, 13-upper hinge assembly, 14-upper locking assembly, 15-throwing assembly, 21-lower door body, 22-lower actuating cylinder assembly, 23-lower hinge assembly, 24-lower locking assembly, 25-lower sealing assembly, 27-horizontal opening limit assembly, 28-cushion block assembly, 29-jump board assembly, 121-upper actuating cylinder, 221-lower actuating cylinder, 31-upper tail door side hinge, 132-first shaft pin, 133-fuselage side hinge, 141-servo motor, 142-connecting rod mechanism, 143-bolt lock, 151-glass, 152-adhesive tape, 153-throwing wire band, 271-horizontal mooring ring, 272-horizontal mooring steel cable, 281-rubber block, 282-bolt, 241-lock catch lock seat, 291-springboard mounting seat, 292-second shaft pin, 293-shaft pin baffle, 294-springboard, 295-pull rod, 296-third shaft pin, 231-lower tail door side hinge mounting seat, 232-machine body side hinge mounting seat and 233-hinge mounting reinforcing plate.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it should be understood that the preferred embodiments are described herein for purposes of illustration and explanation, and not limitation.

As shown in fig. 1 to 12, the advanced helicopter tail door system includes an upper door assembly 1 and a lower door assembly 2 respectively connected to a helicopter body, a bottom end of the upper door assembly 1 is hermetically connected to a top end of the lower door assembly 2, the upper door assembly 1 includes an upper door body 11, an upper actuator cylinder assembly 12, an upper hinge assembly 13, an upper locking assembly 14 and a throwing assembly 15 are disposed on the upper door assembly 1, the lower door assembly 2 includes a lower door body 21, a lower actuator cylinder assembly 22, a lower hinge assembly 23, a lower locking assembly 24, a lower sealing assembly 25, a horizontal opening commission assembly 27, a cushion block assembly 82 and a diving board assembly 29 are disposed on the lower door assembly 2.

Wherein, the upper cylinder assembly 12 comprises upper cylinders 121 arranged at the inner side of the upper door body 11 and positioned at two sides of the upper door body 11, the upper cylinders 121 are in transmission connection with electromagnetic valves, the lower cylinder assembly 22 comprises lower cylinders 221 arranged at the inner side of the lower door body 21 and positioned at two sides of the lower door body 21, the lower cylinders 221 are also in transmission connection with electromagnetic valves, the upper cylinders 121 are in transmission connection with the upper locking assembly 14, the lower cylinders 221 are in transmission connection with the lower locking assembly 24, so that the upper cylinders 121 and the lower cylinders 221 can be respectively controlled by the electromagnetic valves to drive the upper door body 11 and the lower door body 21 to move and simultaneously open the upper locking assembly 14 and the lower locking assembly 24, thereby realizing the opening and closing of the upper and lower doors, the upper door body 11 is fixed on the helicopter body, the throwing assembly 15 is used for emergency escape, and the lower hinge assembly 23 is used for fixing the lower door body 21 on the helicopter body, lower seal assembly 25 is including the sealing strip that encircles the setting of lower door body 21 for guarantee holistic sealed when upper and lower hatch door is closed, horizontal opening spacing subassembly 27 can improve the loading capacity of lower door body 21 when horizontal position, improved stability, cushion block subassembly 28 is used for playing the effect of support to lower door body 21 from the outside when lower door body 21 is opened, prevents its surface damage, jump board subassembly 29 is used for the getting on and off the aircraft for the vehicle when lower door body 21 is opened.

In this embodiment, the upper hinge assembly 13 includes an upper rear door hinge 131 disposed on the inner side of the upper door body 11, one end of the upper rear door hinge 131 is fixedly connected to the upper door body 11, the other end of the upper rear door hinge 131 is rotatably connected to a body hinge 133 through a first shaft pin 132, the body hinge 133 is fixedly connected to the helicopter body, a limit boss 134 is further disposed at the other end of the upper rear door hinge 131, and the limit boss 134 is matched with the body hinge 133, so that when the upper actuator cylinder 121 operates, the upper door body 11 can rotate relative to the helicopter body through the first shaft pin 132, and further the upper door body 11 is opened, the limit boss 134 can play a limiting role, and considering the installation accuracy of the actuator cylinder, the limit angle of the hinge is 30 ° +2 °, therefore, when the upper door body 11 is opened inward to 32 °, the limit boss 134 overlaps the body hinge 133, thereby preventing the upper door body 11 from being opened continuously.

In this embodiment, the upper locking assembly 14 includes servo motors 141 disposed on two sides of the upper door body 11 and located inside the upper door body 11, each servo motor 141 is respectively connected with a link mechanism 142 in a transmission manner, and one end of each of the two link mechanisms 142 is connected with a latch lock 143, so that when the upper door body 11 needs to be opened, the upper door body 11 can be opened only by driving the servo motors 141 to rotate clockwise first and driving the link mechanisms 142 to pull the lock cylinders of the latch locks 143.

In this embodiment, the upper throwing assembly 15 includes a glass 151 disposed at the bottom end of the upper door body 11, an embedded adhesive tape 152 is hermetically disposed between the glass 151 and the upper door body 11, throwing ribbons 153 are respectively disposed on the inner side and the outer side of the upper door body 11, and the two throwing ribbons 153 are respectively and fixedly connected to the embedded adhesive tape 152, so that when an emergency situation occurs and needs to be thrown, the embedded adhesive tape 152 can be separated from between the glass 151 and the upper door body 11 only by pulling the throwing ribbons 153 on the inner side or the outer side of the upper door body 11, and then the glass 151 is pushed to be taken out, thereby achieving throwing.

In this embodiment, the horizontal opening limiting assembly 27 includes horizontal mooring rings 271 disposed at two sides of the lower door body 21 and located at the inner side of the lower door body 21, a horizontal mooring steel cable 272 is fixedly connected to the horizontal mooring rings 271, the bottom end of the horizontal mooring steel cable 272 is clamped in the horizontal mooring rings 271, and the top end of the horizontal mooring steel cable 272 is fixedly connected to the helicopter body, so that when the lower door body 21 is located at a horizontal position, because a person stands when the material is thrown in the air, the lower actuator cylinder assembly 22 is prevented from being decompressed by the horizontal opening limiting assembly 27 so that the lower door body 21 cannot be kept in the horizontal position, the stability of the lower door body 21 after opening can be further improved by fixedly connecting the horizontal mooring steel cable 272 and the horizontal mooring ring 271, and the lower actuator cylinder assembly 22 is prevented from being decompressed to prevent the lower door body 21 from being kept in a horizontal position.

In this embodiment, the cushion block assembly 28 includes two rubber blocks 281 that set up in the both sides of the lower door body 21 and be close to the top of the lower door body 21, rubber block 281 is located the outside of the lower door body 21, rubber block 281 passes through the crossbeam and the longeron fixed connection of bolt 282 with the lower door body 21, can make like this to be located the left and right sides top edge of the lower door body 21 respectively through setting up two rubber blocks 281, thereby can play the effect of supporting the bottom surface after the lower door body 21 is opened, prevent that the lower door body 21 body and bottom surface direct contact and then damage the hatch door, because rubber block 281 is great with the junction load of the lower door body 21, consequently, adopt the spiro union mode can be more reliable and stable.

In this embodiment, the lower locking assembly 24 includes the hasp lock seat 241 that sets up in the both sides of the lower door body 21 and is located the inboard of the lower door body 21, and the hasp lock seat 241 matches with the lock body on the helicopter body, can make like this and want the cooperation to be connected the mode of fixing and can realize the locking of the lower door body 21 through lock body and hasp lock seat 241, and specific theory of operation is: the lower locking assembly 24 further comprises a lock box, a lock pin, a lock hook, a shift lever, a swing arm and a microswitch, when the actuating cylinder acts, the swing arm rotates to drive the lock hook to rotate and reset, the door lock is opened, meanwhile, the lock hook is separated from the microswitch, and the microswitch feeds back an electric signal to the hydraulic retraction system controller to inform that the lock is opened. When the lock is closed, the actuator cylinder acts, the lock pin contacts the lock hook to drive the lock hook to rotate, the swing arm resets, the door lock is closed, meanwhile, the lock hook is combined with the microswitch, and the microswitch feeds an electric signal back to the hydraulic retraction system controller to inform that the lock is closed. Under the condition that door body 21 outage disconnected pressure down, can also design the manual attacker of opening on the inside right side of fuselage, this attacker rotatory pulling is acted as go-between and can be driven the swing arm rotation to open the lock, and then improved the security performance, also can open door body 21 down under the outage disconnected pressure condition.

In this embodiment, the springboard assembly 29 includes a springboard mounting seat 291 mounted at the top end of the lower door body 21, a second shaft pin 292 penetrates through the springboard mounting seat 291, a shaft pin stopper 293 is disposed on the second shaft pin 292, a springboard 294 is fixedly connected to the second shaft pin 292, one end of the springboard 294 is rotatably disposed on the lower door body 21 through the second shaft pin 292, the other end of the springboard 294 is fixedly connected to the inner side surface of the lower door body 21 through a pull rod 295, and two ends of the pull rod 295 are movably and fixedly connected to the springboard 294 and the lower door body 21 through a third shaft pin 296, so that the springboard assembly 29 can meet the requirements of getting on and off a helicopter in a vehicle. Meanwhile, the distance between the springboards 294 is closely related to the wheel width and the wheel track of the vehicle, the maximum wheel width of the vehicle capable of being loaded is 310mm at most, the wheel track is 1286mm at least, an enough loading space is reserved on one side of the vehicle according to the left offset of 150mm, and the distance between the left springboard 294 and the right springboard 294 is 676mm according to the bilateral symmetry design principle. According to the loaded vehicle with the minimum wheel width of 305mm, the maximum wheel track of 1385m and the maximum distance of 2095mm between the left and right springboards, the binge bet of the springboard 294 is designed to be 709.5mm, which can satisfy all the vehicle entering and exiting. Structurally, the second shaft pin 292 rotates the jump board 294, and the third shaft pin 296 fixes the jump board 294 to the lower door 21. When a vehicle enters or exits a task, the lower door body 21 is opened, the second shaft pin 292 is inserted to fix the springboard 294 and the springboard mounting base 291, and the springboard 294 is rotated. When the door needs to be closed, the springboard 294 is rotated, and the third shaft pin 296 is inserted to fix the springboard 294 to the lower door body 21, or a movable pin can be used to control the length of the pull rod between the springboard 294 and the lower door body 21.

In the present embodiment, the lower hinge assembly 23 includes a lower rear door side hinge mounting seat 231 disposed at the bottom end of the lower door body 21, the lower rear door side hinge mounting seat 231 is rotatably connected to a body side hinge mounting seat 232 through a rotating shaft, and a hinge mounting reinforcing plate 233 is further disposed between the lower rear door side hinge mounting seat 231 and the lower door body 21, thereby realizing the rotary opening and closing of the lower door body 21.

To sum up, the utility model relates to an advanced type helicopter tail cabin door system, through hatch door structure, door lock mechanism and so on subassembly have solved receiving and releasing of helicopter tail hatch door jointly, many locks linkage, freight transportation system, emergent jettison device, design problems such as door body supporting structure integration, wherein, the gangboard subassembly can form the boarding passageway of helicopter about the vehicle, the back accessible cushion subassembly makes its bottom plate keep and the level after the lower door body is opened, make things convenient for freight transportation and put in goods and materials etc. in the air, lower seal assembly 25 wholly provides reliable closed environment for the hatch door, helicopter and the safety of the aboard personnel when having guaranteed flight, jettison mechanism can provide the passageway of withdrawing under the emergency for the aboard personnel, the position locking function of upper and lower hatch door can be realized to upper lock subassembly and lower lock subassembly.

The working mode of the helicopter tail cabin door system is divided into a normal working mode and an emergency working mode, and the working flow of each working mode is as follows:

1) and (3) a normal working mode:

1. an operator operates and controls the freight floor to electrify the system, after the system is electrified, the system automatically carries out electrifying self-test, and after the self-test is finished, the system has no fault and enters a normal working mode;

2. the upper door body and the lower door body are opened to a completely opened state simultaneously, namely a simultaneous opening button is pressed, the electromagnetic valve acts, the upper locking assembly and the lower locking assembly are opened, signals are fed back, after the control system receives unlocking signals, action instructions are sent to the electromagnetic valve again respectively, the upper actuating cylinder is retracted, the upper door body is opened, the lower actuating cylinder extends out, the lower door body is opened, after the upper actuating cylinder is opened in place, a hydraulic microswitch and a lower door body position signal sensor are arranged in the upper actuating cylinder to feed back in-place signals, and the upper door body and the lower door body stop acting;

3. the lower door body is independently opened to a completely opened state, namely a lower opening button is pressed down, the electromagnetic valve acts, the lower locking assembly is opened, a signal is fed back, after the control system receives the good unlocking result, an action instruction is sent to the electromagnetic valve again, the lower actuating cylinder extends out, the lower door body is opened, a micro signal is fed back after the lower door body is opened in place, and the lower door body stops acting;

4. the upper door body is completely opened, the lower door body is opened to a neutral state, namely a neutral working mode is selected, the simultaneous opening button is pressed, the electromagnetic valve acts, the upper locking assembly and the lower locking assembly are opened, a signal is fed back, the control system sends an action instruction to the electromagnetic valve after receiving the signal, the upper door body feeds back an in-place signal after being opened in place, the upper door body stops acting, the lower door body feeds back an in-place signal after reaching the neutral position, and the lower door body stops acting;

5. the lower door body is independently opened to a neutral state, namely a pull rope of the lower door body is scratched, a neutral working mode is selected, a lower opening button is pressed, the electromagnetic valve acts, the lower locking assembly is opened, a signal is fed back, after the control system receives the signal, an action instruction is sent to the electromagnetic valve, the lower actuating cylinder extends out, the lower door body is opened, a position signal is fed back after the lower door body reaches the neutral position, and the lower door body stops acting;

6. the upper door body and the lower door body are closed simultaneously, namely the simultaneous closing button is pressed until the cabin door is detected, the stay bar lock pin is retracted at the neutral position, the electromagnetic valve receives an instruction at the same time, the upper door body and the lower door body are driven to be closed, a signal is fed back after the upper door body and the lower door body are closed in place, the electromagnetic valve obtains the instruction, and the upper locking assembly and the lower locking assembly are locked.

2) Emergency mode,

When the tail cabin door is opened in an emergency state, the emergency change-over valve is manually operated, the oil source of the tail cabin door driving system is switched to a standby oil source, the electromagnetic valve is manually operated, the manual pump is shaken, the upper locking assembly and the lower locking assembly are opened, and the electromagnetic valve is manually operated to open the upper door body and the lower door body after the tail cabin door is in place.

When the tail cabin door is closed in an emergency state, the emergency change-over valve is manually operated, the oil source of the tail cabin door driving system is changed to the original owned state, the electromagnetic valve is manually operated to drive the upper door body and the lower door body to be closed, and the slotted hole electromagnetic valve closes the upper locking assembly and the lower locking assembly after the upper door body and the lower door body are closed in place.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An advanced helicopter tail cabin door system which is characterized in that: the helicopter cabin door assembly comprises an upper cabin door assembly (1) and a lower cabin door assembly (2) which are respectively connected with a helicopter body, wherein the bottom end of the upper cabin door assembly (1) is connected with the top end of the lower cabin door assembly (2) in a sealing manner, the upper cabin door assembly (1) comprises an upper door body (11), an upper actuating cylinder assembly (12), an upper hinge assembly (13), an upper locking assembly (14) and a throwing assembly (15) are arranged on the upper cabin door assembly (1), the lower cabin door assembly (2) comprises a lower door body (21), and a lower actuating cylinder assembly (22), a lower hinge assembly (23), a lower locking assembly (24), a lower sealing assembly (25), a horizontal opening limiting assembly (27), a cushion block assembly (28) and a springboard assembly (29) are arranged on the lower cabin door assembly (2);

the upper actuating cylinder assembly (12) comprises upper actuating cylinders (121) which are arranged on the inner side of the upper door body (11) and located on two sides of the upper door body (11), the upper actuating cylinders (121) are in transmission connection with electromagnetic valves, the lower actuating cylinder assembly (22) comprises lower actuating cylinders (221) which are arranged on the inner side of the lower door body (21) and located on two sides of the lower door body (21), the lower actuating cylinders (221) are also in transmission connection with electromagnetic valves, the upper actuating cylinders (121) are in transmission connection with the upper locking assembly (14), and the lower actuating cylinders (221) are in transmission connection with the lower locking assembly (24).

2. An advanced helicopter trunk door system according to claim 1, further characterized by: go up hinge subassembly (13) including setting up last tail-gate side hinge (131) on the inboard of last door body (11), go up the one end of tail-gate side hinge (131) with go up door body (11) fixed connection, the other end of going up tail-gate side hinge (131) passes through first pivot (132) swivelling joint and has fuselage side hinge (133), fuselage side hinge (133) and helicopter organism fixed connection, the other end department of going up tail-gate side hinge (131) still is provided with spacing boss (134), spacing boss (134) with fuselage side hinge (133) phase-match.

3. An advanced helicopter trunk door system according to claim 1, further characterized by: the upper locking assembly (14) comprises servo motors (141) which are arranged on two sides of the upper door body (11) and located on the inner side of the upper door body (11), each servo motor (141) is connected with a link mechanism (142) in a transmission mode, and one end of each link mechanism (142) is connected with a bolt lock (143) together.

4. An advanced helicopter trunk door system according to claim 1, further characterized by: the throwing assembly (15) comprises glass (151) arranged at the bottom end of the upper door body (11), an embedded rubber strip (152) is arranged between the glass (151) and the upper door body (11) in a sealing mode, throwing silk strips (153) are respectively arranged on the inner side and the outer side of the upper door body (11), and the throwing silk strips (153) are respectively fixedly connected with the embedded rubber strip (152).

5. An advanced helicopter trunk door system according to claim 1, further characterized by: the horizontal opening limiting assembly (27) comprises horizontal mooring rings (271) which are arranged on two sides of the lower door body (21) and located on the inner side of the lower door body (21), a horizontal mooring steel cable (272) is fixedly connected to the horizontal mooring rings (271), the bottom end of the horizontal mooring steel cable (272) is clamped in the horizontal mooring rings (271), and the top end of the horizontal mooring steel cable (272) is fixedly connected with a helicopter body.

6. An advanced helicopter trunk door system according to claim 1, further characterized by: the cushion block assembly (28) is arranged on two sides of the lower door body (21) and close to two rubber blocks (281) on the top end of the lower door body (21), the rubber blocks (281) are located on the outer side of the lower door body (21), and the rubber blocks (281) are fixedly connected with a cross beam and a longitudinal beam of the lower door body (21) through bolts (282).

7. An advanced helicopter trunk door system according to claim 1, further characterized by: the lower locking assembly (24) comprises lock catch lock seats (241) which are arranged on two sides of the lower door body (21) and located on the inner side of the lower door body (21), and the lock catch lock seats (241) are matched with lock bodies on a helicopter body.

8. An advanced helicopter trunk door system according to claim 1, further characterized by: the springboard assembly (29) comprises a springboard mounting seat (291) mounted at the top end of the lower door body (21), a second shaft pin (292) penetrates through the springboard mounting seat (291), a shaft pin baffle (293) is arranged on the second shaft pin (292), the second shaft pin (292) is fixedly connected with a springboard (294), one end of the springboard (294) is rotatably arranged on the lower door body (21) through the second shaft pin (292), the other end of the springboard (294) is fixedly connected with the inner side face of the lower door body (21) through a pull rod (295), and two ends of the pull rod (295) are movably and fixedly connected with the springboard (294) and the lower door body (21) through a third shaft pin (296).

9. An advanced helicopter trunk door system according to claim 1, further characterized by: the lower hinge assembly (23) comprises a lower tail gate side hinge installation seat (231) arranged at the bottom end of the lower door body (21), the lower tail gate side hinge installation seat (231) is rotatably connected with a body side hinge installation seat (232) through a rotating shaft, and a hinge installation reinforcing plate (233) is further arranged between the lower tail gate side hinge installation seat (231) and the lower door body (21).

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