CN115465457A - Emergency slide throwing mechanism for airplane emergency exit cabin door - Google Patents
Emergency slide throwing mechanism for airplane emergency exit cabin door Download PDFInfo
- Publication number
- CN115465457A CN115465457A CN202211248443.3A CN202211248443A CN115465457A CN 115465457 A CN115465457 A CN 115465457A CN 202211248443 A CN202211248443 A CN 202211248443A CN 115465457 A CN115465457 A CN 115465457A
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- slide
- door
- cabin door
- hinged
- emergency
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
- B64D25/08—Ejecting or escaping means
- B64D25/14—Inflatable escape chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The application provides a mechanism is thrown to emergent slide for emergent export hatch door of aircraft includes: a cabin door; a drive shaft mounted on the hatch door; the driving rocker arms are fixedly arranged at two ends of the driving shaft; the other end of the connecting rod is hinged to the middle of the transmission rocker arm, and two ends of the transmission rocker arm are respectively hinged to the hinged cabin door and the push-pull steel cable; the draw bar clamping grooves are respectively and fixedly connected to two sides of the airplane door area structure, and locking keys are hinged in the draw bar clamping grooves through torsion springs; the fixed lock hook is fixedly connected with the cabin door and sleeved on two sides of the driving shaft; one end of the roller rocker is movably connected with the driving rocker, and the other end of the roller rocker is provided with a movable latch hook. When the emergency exit cabin door is in the unlocking pre-position, the movable locking hook is in the locking position and locks the slide traction rod together with the fixed locking hook, the cabin door is opened at the moment, the slide traction rod moves along with the cabin door, and the emergency slide on the emergency exit cabin door cannot be thrown.
Description
Technical Field
The application belongs to the technical field of aircraft hatch doors, in particular to an emergency slide throwing mechanism for an aircraft emergency exit hatch door.
Background
The emergency exit cabin door slide throwing mechanism of the transport plane is used for drawing and automatically throwing the emergency slide when opening the cabin door in an emergency.
At present, the slide throwing mechanism of the emergency exit cabin door is generally provided with a fixed lock hook and a movable deflector rod on the cabin door, and the deflector rod is inserted into a hole of a slide traction rod. When the emergency exit cabin door is opened, the deflector rod is separated from a hole of the slide traction rod, and the deflector rod is easily interfered and clamped with the slide traction rod due to installation deviation and abrasion. When the pre-position state is released, the deflector rod can move the slide traction rod towards the fixed lock hook, and the deflector rod and the fixed lock hook can be locked on the emergency exit hatch door together.
However, when the slide traction rod enters and exits the fixed lock hook, the movement of the slide traction rod is planar sliding, and the installation and debugging deviation is easy to cause clamping stagnation. In addition, the deflector rod mechanism is complex and difficult to install and debug, and has poor manufacturability.
Disclosure of Invention
It is an object of the present application to provide an emergency slide release mechanism for an aircraft emergency exit door that solves or mitigates at least one problem of the background art.
The technical scheme of the application is as follows: an emergency slide release mechanism for an aircraft emergency exit hatch, comprising:
a cabin door;
a drive shaft mounted on the hatch door;
driving rocker arms fixedly installed at both ends of the driving shaft;
the rocker arm is fixedly connected with the driving shaft at one end and hinged with the connecting rod at the other end, the other end of the connecting rod is hinged to the middle of the transmission rocker arm, and the two ends of the transmission rocker arm are respectively hinged with the hinged cabin door and the push-pull steel cable;
draw bar slots which are respectively and fixedly connected with two sides of the airplane door area structure, wherein lock keys are hinged and installed in the draw bar slots through torsion springs; and
the fixed lock hooks are fixedly connected with the cabin door and sleeved on two sides of the driving shaft;
one end of the roller rocker is movably connected with the driving rocker, and the other end of the roller rocker is provided with a movable latch hook;
when the cabin door is closed and the slide is in the pre-position state, the fixed lock hook hooks the slide traction rod and the movable lock hook is separated from the slide traction rod;
when the cabin door is opened and the slide is in a pre-position state, the fixed locking hook and the movable locking hook are both separated from the slide traction rod;
when the cabin door is closed and the slide is in a pre-position releasing state, the fixed lock hook and the movable lock hook the slide traction rod;
when the cabin door is opened and the slide is in the pre-release state, the fixed lock hook and the movable lock hook the slide traction rod and are synchronously opened with the cabin door.
Further, the driving shaft is arranged in parallel with the cabin door.
Furthermore, the driving rocker arm is provided with a sliding groove, the roller rocker arm is provided with a roller, and the roller is arranged in the sliding groove, so that the roller rocker arm and the driving rocker arm can move relatively.
Further, still include induction mark target and proximity sensor, the induction mark target is installed on the drive shaft, the proximity sensor is installed on the hatch door, and when the relative hatch door of drive shaft rotated, induction mark target and proximity sensor can the mutual response.
Further, the sensing target and the proximity sensor are located on the same side of the door or the drive shaft as the push-pull cable.
The application provides an emergent slide throwing mechanism is in opposite directions to the fixed latch hook and the activity latch hook of lock, and is high to the locking reliability of slide traction lever, and the mechanism installation debugging is simple, effectively reduces production, manufacturing, installation debugging cost.
Drawings
In order to more clearly illustrate the technical solutions provided in the present application, the drawings will be briefly described below. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a schematic diagram of an emergency slide throwing mechanism and a cabin door position according to the present application.
Fig. 2 is a schematic structural view of the emergency slide throwing mechanism of the present application.
Fig. 3 is a schematic view of the slide pre-positioned and hatch door closed state in the present application.
Fig. 4 is a schematic view of the slide pre-positioned and hatch door open state in the present application.
Fig. 5 is a schematic view of the slide in the present application in the unlocked state and the hatch in the closed state.
Fig. 6 is a schematic view of the slide in the present application in the unlocked state and the hatch in the open state.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1 to 2, the present application provides an emergency slide release mechanism for an aircraft emergency exit door, comprising: the device comprises a cabin door 1, a driving shaft 2, a slide traction rod 3, a traction rod clamping groove 4, a fixed locking hook 5, an induction target 6, a driving rocker arm 7, a roller rocker arm 8, a movable locking hook 9, a locking key 10, a rocker arm 11, a connecting rod 12, a transmission rocker arm 13, a push-pull steel cable 14, a proximity sensor 15 and a torsion spring 16.
The driving shaft 2 is parallel to the hatch door 1 and is installed at the lower portion of the hatch door 1.
The two driving rocker arms 7 are provided with sliding grooves 71, and the two driving rocker arms 7 are respectively and fixedly connected with two ends of the driving shaft 2.
The target 6 is fixed on the driving rocker arm 7 on one side, and the proximity sensor 15 is arranged on the cabin door 1 and is used for matching the target 6.
The rocker arm 11 is fixedly connected to one side of the drive shaft 2.
In this embodiment of the application, the sensing target 6 and the swing arm 11 are both disposed on the right side of the driving swing arm 7. It will be appreciated that the sensing target 6 and the rocker arm 11 may also be provided on the left side of the drive rocker arm 7, with only the location of the corresponding structure being required to be replaced.
One end of the transmission rocker arm 13 is hinged on the lower part of the cabin door 1, and the other end of the transmission rocker arm 13 is hinged with the push-pull steel cable 14.
The upper end of the connecting rod 12 is hinged with the middle of the transmission rocker arm 13, and the lower end of the connecting rod 12 is hinged with the rocker arm 11.
The fixed latch hook 5 is two, and 2 fixed latch hooks 5 cover on drive shaft 2, and with respectively with hatch door 1's both sides lower part fixed connection.
The two roller rocker arms 8 are respectively hinged to the lower parts of the two sides of the cabin door 1, the upper part of each roller rocker arm 8 is of a double-lug structure, a roller 81 is arranged between the double-lug structures, and the roller 81 is installed in the sliding groove 71 of the driving rocker arm 7 and can roll in the sliding groove 71 of the driving rocker arm 7.
The number of the movable locking hooks 9 is two, and the two movable locking hooks 9 are respectively fixedly connected with the two roller rocker arms 8.
The two draw bar clamping grooves 4 are fixedly connected to two sides of the airplane door area structure respectively.
The number of the lock keys 10 is two, and the two lock keys 10 are respectively hinged on the two draw bar clamping grooves 4 and are respectively arranged on the 2 lock keys 10 through torsion springs 16.
As shown in fig. 3, when the cabin door 1 is closed and the slide is in the pre-positioning state, the push-pull steel cable 14 pushes the transmission rocker arm 13 to rotate downwards, so as to drive the connecting rod 12 to move downwards, drive the fixedly connected rocker arm 11, the driving shaft 2, the driving rocker arm 7 and the sensing target 6 to rotate clockwise around the driving shaft 2, the sensing target 6 is overlapped with the proximity sensor 15, the driving rocker arm 7 drives the roller rocker arm 8 to rotate anticlockwise, and the movable latch hook 9 fixed on the roller rocker arm 8 is disengaged from the slide draw bar 3.
As shown in fig. 4, during the process of opening the hatch door 1, the fixed latch hook 5 is disengaged from the slide drawbar 3, the slide drawbar 3 is retained in the drawbar catch 4, and the drawbar catch 4 draws the slide open and throws it.
As shown in fig. 5, when the cabin door 1 is closed and the slide is in a pre-positioning releasing state, the push-pull steel cable 14 pulls the transmission rocker arm 13 to rotate upwards to drive the connecting rod 12 to move upwards, the fixedly connected rocker arm 11, the driving shaft 2, the driving rocker arm 7 with the sliding groove and the sensing target 6 are driven to move anticlockwise around the driving shaft 2, the sensing target 6 is separated from the proximity sensor 15, the driving rocker arm 7 with the sliding groove drives the rocker arm 8 with the roller to rotate clockwise, the roller in the middle of the rocker arm 8 with the roller presses the locking key 10 downwards, and the movable locking hook 9 fixed on the rocker arm 8 with the roller hooks the slide traction rod 3.
As shown in fig. 6, during the process of opening the hatch door 1, the fixed latch hook 5 and the movable latch hook 9 lock the slide drawbar 3 to disengage, and the slide drawbar 3 and the hatch door 1 open synchronously, so that the slide cannot be pulled to be thrown.
The application provides an emergent slide throwing mechanism for emergent export hatch door of aircraft sets up a movable lock hook that can manually drive through setting up a fixed lock hook, can realize:
when the emergency exit hatch door is in the pre-position, the movable locking hook is in the opening position, the emergency exit hatch door is opened at the moment, the slide traction rod is retained in the fixed clamping groove in the floor of the airplane structure door area, and the emergency slide arranged on the emergency exit hatch door is drawn and thrown to form an emergency escape passage.
When the emergency exit hatch door is in the unlocking pre-position, the movable locking hook is in the locking position and locks the slide draw bar together with the fixed locking hook, the emergency exit hatch door is opened at the moment, the slide draw bar moves along with the hatch door, and the emergency slide arranged on the emergency exit hatch door cannot be thrown.
The application provides an emergent slide throwing mechanism is in opposite directions to the fixed latch hook and the activity latch hook of lock, and is high to the locking reliability of slide traction lever, and mechanism installation and debugging are simple, effectively reduces production, manufacturing, installation and debugging cost.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an emergent slide throwing mechanism for emergent export hatch door of aircraft which characterized in that includes:
a cabin door;
a drive shaft mounted on the hatch door;
the driving rocker arms are fixedly arranged at two ends of the driving shaft;
the swing arm is fixedly connected with the driving shaft at one end and is hinged with the connecting rod at the other end, the other end of the connecting rod is hinged to the middle of the transmission swing arm, and two ends of the transmission swing arm are respectively hinged with the hinged cabin door and the push-pull steel cable;
the draw bar clamping grooves are respectively and fixedly connected to two sides of the airplane door area structure, and locking keys are hinged in the draw bar clamping grooves through torsion springs; and
the fixed lock hooks are fixedly connected with the cabin door and sleeved on two sides of the driving shaft;
one end of the roller rocker is movably connected with the driving rocker, and the other end of the roller rocker is provided with a movable latch hook;
when the cabin door is closed and the slide is in a pre-position state, the fixed lock hook hooks the slide traction rod and the movable lock hook is separated from the slide traction rod;
when the cabin door is opened and the slide is in a pre-position state, the fixed lock hook and the movable lock hook are both separated from the slide traction rod;
when the cabin door is closed and the slide is in a pre-position releasing state, the fixed lock hook and the movable lock hook the slide traction rod;
when the cabin door is opened and the slide is in the pre-release state, the fixed lock hook and the movable lock hook the slide traction rod and are synchronously opened with the cabin door.
2. The emergency slide release mechanism for an aircraft emergency exit door according to claim 1, wherein the drive shaft is disposed parallel to the door.
3. An emergency slide release mechanism for an aircraft emergency exit door according to claim 1, wherein the actuating rocker arm has a chute, the roller rocker arm being provided with rollers which are disposed in the chute to enable relative movement of the roller rocker arm and the actuating rocker arm.
4. The emergency slide release mechanism for an aircraft emergency exit door of claim 1, further comprising an induction target mounted on the drive shaft and a proximity sensor mounted on the door, the induction target and the proximity sensor being capable of interacting with each other when the drive shaft is rotated relative to the door.
5. The emergency slide release mechanism for an aircraft emergency exit door of claim 4, wherein the induction target and proximity sensor are located on the same side of the door or drive shaft as the push-pull cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211248443.3A CN115465457A (en) | 2022-10-12 | 2022-10-12 | Emergency slide throwing mechanism for airplane emergency exit cabin door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211248443.3A CN115465457A (en) | 2022-10-12 | 2022-10-12 | Emergency slide throwing mechanism for airplane emergency exit cabin door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115465457A true CN115465457A (en) | 2022-12-13 |
Family
ID=84336257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211248443.3A Pending CN115465457A (en) | 2022-10-12 | 2022-10-12 | Emergency slide throwing mechanism for airplane emergency exit cabin door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115465457A (en) |
-
2022
- 2022-10-12 CN CN202211248443.3A patent/CN115465457A/en active Pending
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