CN112173063B - Emergency window sealed with helicopter cabin door - Google Patents
Emergency window sealed with helicopter cabin door Download PDFInfo
- Publication number
- CN112173063B CN112173063B CN202011022094.4A CN202011022094A CN112173063B CN 112173063 B CN112173063 B CN 112173063B CN 202011022094 A CN202011022094 A CN 202011022094A CN 112173063 B CN112173063 B CN 112173063B
- Authority
- CN
- China
- Prior art keywords
- emergency window
- arm
- cabin door
- tightening
- window frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B64C1/1476—Canopies; Windscreens or similar transparent elements
- B64C1/1484—Windows
Abstract
The invention discloses an emergency window sealed with a helicopter cabin door, which comprises a plurality of disassembly buckles, a plurality of disassembly buckles and a plurality of first-aid fasteners, wherein the disassembly buckles are arranged on the helicopter cabin door and are used for connecting an emergency window frame and the cabin door; the disassembly buckle comprises a fixing part arranged on the emergency window frame and a clamping part arranged on the cabin door, the fixing part is detachably connected with the clamping part, the position of the fixing part relative to the clamping part is limited through a bolt shaft, and the bolt shafts of the disassembly buckles are linked; the cabin door below the emergency window frame is provided with a driving handle, and the driving handle is simultaneously withdrawn by all the bolt shafts through a linkage mechanism so that all the bolt shafts lose the limitation on the fixing part and the emergency window frame is separated relative to the cabin door. The invention solves the problem that when the cabin door cannot be thrown, the purpose of providing an emergency exit is realized by throwing the emergency window on the cabin door; the throwing test is carried out through the cabin door and the emergency window principle sample piece, and the result shows that the rapid throwing of the emergency window can be realized, and the throwing force meets the requirements of related indexes.
Description
Technical Field
The invention relates to the field of helicopter structural design, in particular to an emergency window sealed with a helicopter cabin door.
Background
Most helicopters can provide an emergency exit through a throwing cabin door under the emergency condition, but if a lock point of a cabin door locking mechanism adopts a pin catch type hook lock hook or adopts a fixed lock hook which is not connected with a handle, the cabin door throwing mechanism of the helicopters cannot open a cabin door hinge connecting rod shaft and a cabin door locking mechanism at the same time to provide the emergency exit. In this case, the emergency exit problem can be solved by separately designing the jettisonable emergency device on the hatch.
Disclosure of Invention
The invention aims to provide an emergency window sealed with a helicopter cabin door, which is used for solving the problems of sealing, connection limiting, emergency throwing and the like of an emergency window device and the helicopter cabin door.
In order to realize the task, the invention adopts the following technical scheme:
an emergency window sealed with a helicopter cabin door comprises a plurality of disassembly buckles, a plurality of disassembly buckles and a plurality of sealing rings, wherein the disassembly buckles are arranged on the helicopter cabin door and are used for connecting an emergency window frame and the cabin door; the emergency window frame comprises an emergency window frame, a first disassembly buckle, a second disassembly buckle, a first disassembly buckle and a second disassembly buckle, wherein the two disassembly buckles are respectively arranged on two sides of the upper part of the emergency window frame; the two sides of the lower part of the emergency window frame are respectively provided with a disassembly buckle which is respectively marked as a third disassembly buckle and a fourth disassembly buckle;
the disassembly buckle comprises a fixing part arranged on the emergency window frame and a clamping part arranged on the cabin door, the fixing part is detachably connected with the clamping part, and the position of the fixing part relative to the clamping part is limited through the bolt shaft;
the bolt shaft on the first dismounting buckle is linked with the bolt shaft on the third dismounting buckle through a first linkage rod, and the bolt shaft on the second dismounting buckle is linked with the bolt shaft on the fourth dismounting buckle through a second linkage rod;
be provided with drive handle on the hatch door that is located emergent window frame below, drive handle passes through link gear and drives the bolt axle motion on third dismantlement buckle, the fourth dismantlement buckle simultaneously to make all bolt axles lose the restriction to the fixed part, thereby make emergent window frame separate for the hatch door.
Furthermore, the fixing part comprises a first fixing plate fixed on the emergency window frame, a lug is arranged on the first fixing plate, and a first fixing hole is formed in the lug;
the clamping and stopping part comprises a second fixing plate fixed on the cabin door, a fixing table is arranged on the second fixing plate, a fixing groove matched with the lug is formed in the end part of the fixing table, and a second fixing hole is formed in the fixing groove;
when the emergency window frame is installed on the cabin door, the lug is located in the fixing groove, the first fixing hole and the second fixing hole are coaxially arranged, and the bolt shaft penetrates through the first fixing hole and the second fixing hole.
Furthermore, the bolt shafts on the first dismounting buckle and the third dismounting buckle are arranged along the vertical direction, and the bolt shafts on the second dismounting buckle and the fourth dismounting buckle are obliquely arranged along the oblique edge of the emergency window frame;
and a pre-tightening mechanism is arranged on the cabin door below the emergency window frame, and the linkage mechanism is used for providing upward or obliquely upward pre-tightening force for the plurality of detaching buckles so as to keep the position of the bolt shaft.
Further, the linkage mechanism comprises the first linkage rod, a second linkage rod and a rocker arm mechanism arranged at the lower part of the emergency window frame, wherein:
the rocker arm mechanism comprises a rocker arm shaft arranged on the cabin door, a rotatable rocker arm rod is arranged on the rocker arm shaft, the rocker arm rod consists of a first rotating rod and a second rotating rod, an included angle between the first rotating rod and the second rotating rod is an obtuse angle, and the joint of the first rotating rod and the second rotating rod is arranged on the rocker arm shaft;
wherein, a limit stop is arranged on the cabin door, and a limit lug boss matched with the second rotating rod is arranged on the limit stop; a pull rod sleeve is arranged above the rocker arm mechanism, and the end part of the first rotating rod is connected with the pull rod sleeve through a rotating shaft;
and two ends of the pull rod sleeve are respectively provided with a first pull rod for driving the first linkage rod and a second pull rod for driving the second linkage rod.
Furthermore, the middle part of the limiting boss is provided with a straight section, the two ends of the limiting boss are towards the straight section, and the thickness of the limiting boss is gradually reduced from the straight section to the two ends of the limiting boss.
Further, be provided with on the hatch door of third dismantlement buckle below and turn to power transmission device, turn to power transmission device and include: first connecting sleeve, first transmission arm, second transmission arm and third transmission arm, wherein:
the cabin door is provided with a force transmission shaft, and the front end of the first force transmission arm and the rear end of the first connecting sleeve are hinged and arranged on the force transmission shaft; the rear end of the first transmission arm is hinged with the rear end of the second transmission arm, the front end of the second transmission arm is hinged with the rear end of the third transmission arm, and the front end of the third transmission arm is connected with the lower end of a bolt shaft of the third dismounting buckle;
the rear end of the first connecting sleeve is connected with the first pull rod.
Further, pretension mechanism includes mounting base, pretension pivot, linkage arm, first pretension arm, second connecting sleeve, second pretension arm and pretension torsional spring, wherein:
the mounting base is fixed on the cabin door, the rear end of the pre-tightening rotating shaft is hinged on the mounting base, and the front end of the pre-tightening rotating shaft is a square shaft; the driving handle, the first pre-tightening arm and the second pre-tightening arm are all arranged on a square shaft of the pre-tightening rotating shaft through square holes; the first pre-tightening arm is hinged with the rear end of the second connecting sleeve, and the front end of the second connecting sleeve is connected with the second pull rod; the second pre-tightening arm is hinged to the rear end of the linkage arm, and the front end of the linkage arm is connected with the lower end of a bolt shaft of the fourth dismounting buckle;
one end of the pre-tightening torsion spring is connected with the first pre-tightening arm, the other end of the pre-tightening torsion spring is fixed on the mounting base, and pre-tightening force is provided for the plurality of disassembly buckles by the pre-tightening torsion spring and the linkage mechanism.
Furthermore, threaded holes are formed in the pull rod sleeve, the first connecting sleeve and the second connecting sleeve, and external threads are processed at two ends of the first pull rod and the second pull rod.
Furthermore, a safety rope is arranged on the cabin door and connected with the driving handle.
Furthermore, a sealing rubber strip is arranged between the emergency window frame and the cabin door.
The invention has the following technical characteristics:
the emergency window device sealed with the cabin door of the helicopter provided by the invention solves the problem that when the cabin door cannot be thrown, the emergency window on the cabin door is thrown to realize the purpose of providing an emergency exit. The throwing test is carried out through the cabin door and the emergency window principle sample piece, and the result shows that the rapid throwing of the emergency window can be realized, and the throwing force meets the requirements of related indexes.
Drawings
Fig. 1 is a schematic view of the overall structure of an emergency window of the present invention sealed with a helicopter cabin door;
FIG. 2 is a schematic structural view of a portion of the rocker mechanism;
FIG. 3 is a schematic view of a portion of the steering force transmitting device;
FIG. 4 is a schematic structural view of a part of a pretensioning mechanism;
figure 5 is a schematic view of the exterior of the door.
The reference numbers in the figures illustrate: the emergency window comprises a cabin door 1, an emergency window frame 2, a first disassembly buckle 3, a second disassembly buckle 4, a third disassembly buckle 5, a fourth disassembly buckle 6, a steering force transmission device 7, a rocker mechanism 8, a pretightening mechanism 9, a driving handle 10, a safety rope 11, a first linkage rod 12, a second linkage rod 13, a first linkage rod 14, a second linkage rod 15, a second linkage sleeve 16, a first linkage rod 17, a rocker shaft 18, a second linkage rod 19, a limit stop 20, a limit boss 21, a tension rod sleeve 22, a fixed platform 23, a lug 24, a third force transmission arm 25, a second force transmission arm 26, a force transmission shaft 27, a first force transmission arm 28, a first linkage sleeve 29, a pretightening rotating shaft 30, a mounting base 31, a first pretightening arm 32, a second pretightening arm 33, a torsion spring 34, a linkage arm 35 and a bolt shaft 36.
Detailed Description
The invention discloses an emergency window sealed with a helicopter cabin door, which comprises a plurality of disassembly buckles, a plurality of disassembly buckles and a plurality of anti-collision springs, wherein the disassembly buckles are arranged on the helicopter cabin door and are used for connecting an emergency window frame and the cabin door; the emergency window frame comprises an emergency window frame, a first disassembly buckle 3, a second disassembly buckle 4 and a first disassembly buckle, wherein the two sides of the upper part of the emergency window frame are respectively provided with one disassembly buckle; the two sides of the lower part of the emergency window frame are respectively provided with a disassembly buckle which is respectively marked as a third disassembly buckle 5 and a fourth disassembly buckle 6. The specific buckle layout position can be determined according to actual needs.
The disassembly buckle comprises a fixing part arranged on the emergency window frame and a clamping part arranged on the cabin door, the fixing part is detachably connected with the clamping part, the position of the fixing part relative to the clamping part is limited through the bolt shaft 36, namely, under the action of the bolt shaft 36, the fixing part and the clamping part are connected together, so that the emergency window frame is fixed on the cabin door. The bolt shaft 36 on the first dismounting buckle 3 is linked with the bolt shaft 36 on the third dismounting buckle 5 through the first linkage rod 12, and the bolt shaft 36 on the second dismounting buckle 4 is linked with the bolt shaft 36 on the fourth dismounting buckle 6 through the second linkage rod 13; the cabin door below the emergency window frame is provided with a driving handle 10, the driving handle 10 simultaneously drives the bolt shafts 36 on the third dismounting buckle 5 and the fourth dismounting buckle 6 to move through a linkage mechanism, and all the bolts synchronously move under the action of the first linkage rod 12 and the second linkage rod 13, so that all the bolt shafts 36 lose the limit on the fixing part, and the emergency window frame is separated relative to the cabin door.
Referring to fig. 3, the fixing portion includes a first fixing plate fixed on the emergency window frame, a lug 24 is disposed on the first fixing plate, and a first fixing hole is formed in the lug 24; the clamping part comprises a second fixing plate fixed on the cabin door, a fixing table 23 is arranged on the second fixing plate, a fixing groove matched with the lug is formed in the end part of the fixing table, and a second fixing hole is formed in the fixing groove; when the emergency window frame is mounted on the hatch, the lugs are located in the fixing slots, the first fixing hole and the second fixing hole are coaxially arranged, and the bolt shaft passes through the first fixing hole and the second fixing hole, so that the lugs 24 cannot move relative to the fixing table 23, and the position of the emergency window frame relative to the hatch is defined.
As shown in fig. 1, the latch shafts on the first detaching buckle 3 and the third detaching buckle 4 are arranged along the vertical direction, and the latch shafts on the second detaching buckle 5 and the fourth detaching buckle 6 are arranged along the oblique edge of the emergency window frame in an inclined manner; to facilitate removal of the latch shaft in an emergency situation. The arrangement of the latch shaft can be determined in particular according to the shape of the emergency window frame, for example parallel to the edge of the emergency window frame, but should be arranged downwards or obliquely downwards. A pre-tightening mechanism 9 is arranged on the cabin door below the emergency window frame, and upward or obliquely upward pre-tightening force is provided for the plurality of detaching buckles through the linkage mechanism by using the pre-tightening mechanism 9 so as to keep the position of the plug pin shaft; in the normal use process, the bolt shaft cannot naturally slide down due to the action of the pretightening force, and the connection firmness of the emergency window frame and the cabin door is ensured.
Referring to fig. 1 and 2, the linkage mechanism includes the first linkage rod 12, the second linkage rod 13, and the rocker mechanism 8 disposed at the lower portion of the emergency window frame, wherein: the rocker arm mechanism 8 comprises a rocker arm shaft 18 arranged on the cabin door, a rotatable rocker arm rod is arranged on the rocker arm shaft 18, the rocker arm rod is composed of a first rotating rod 17 and a second rotating rod 19, and an included angle between the first rotating rod 17 and the second rotating rod 19 is an obtuse angle, so that the second rotating rod 19 can slip off from the limiting boss 21 conveniently. The joint of the first rotating rod 17 and the second rotating rod 19 is arranged on the rocker arm shaft 18; wherein, a limit stop 20 is arranged on the hatch door, and a limit lug boss 21 matched with the second rotating rod is arranged on the limit stop; during normal use, the second dwang 19 card is on spacing boss 21, under the effect of second dwang 19 for the hatch door can be hugged closely to emergent window frame, plays limiting displacement. A pull rod sleeve 22 is arranged above the rocker arm mechanism 8, and the end part of the first rotating rod 17 is connected with the pull rod sleeve 22 through a rotating shaft; the two ends of the pull rod sleeve 22 are respectively provided with a first pull rod 14 for driving the first linkage rod 12 and a second pull rod 15 for driving the second linkage rod 13. In an emergency state, in the process of removing the latch shaft through the linkage mechanism, the first linkage rod 12, the second linkage rod 13 and the pull rod sleeve 22 drive the rocker arm rod to rotate, and the second rotating rod 19 slips from the limit stop 20 during rotation to remove the limitation, so that the emergency window frame can fall off relative to the cabin door.
Referring to fig. 2, the middle of the limiting boss 21 has a straight section, and the thickness of the limiting boss 21 gradually decreases from the straight section to the straight section from the two ends of the limiting boss, so that the second rotating rod 19 can better enter the straight section of the limiting boss 21 or slide away from the straight section when the rocker arm rod rotates.
With reference to fig. 3, a steering force transmission device 7 is provided on the hatch door below the third dismantling clasp 5, and comprises: a first connecting sleeve 29, a first transmission arm 28, a second transmission arm 26 and a third transmission arm 25, wherein:
the hatch door is provided with a force transmission shaft, and the front end of a first transmission arm 28 and the rear end of a first connecting sleeve 29 are hinged and arranged on the force transmission shaft; the rear end of the first transmission arm 28 is hinged with the rear end of the second transmission arm 26, the front end of the second transmission arm 26 is hinged with the rear end of the third transmission arm 25, and the front end of the third transmission arm 25 is connected with the lower end of a bolt shaft of the third dismounting buckle 5; the rear end of the first connecting sleeve 29 is connected to the first pull rod 14. Under the action of the linkage mechanism, when the first pull rod 14 moves rightwards, the torque is transmitted to the bolt shaft through the first transmission arm 28, the second transmission arm 26 and the third transmission arm 25, so that the bolt shaft is pulled out downwards; meanwhile, the bolt shaft is connected with the bolt shaft of the first dismounting buckle 3 through the first linkage rod 12, so that the bolt shafts on the first dismounting buckle 3 and the second dismounting buckle 4 can be simultaneously removed.
Referring to fig. 4, the pre-tightening mechanism 9 includes a mounting base 31, a pre-tightening rotating shaft 30, a linkage arm 35, a first pre-tightening arm 32, a second connecting sleeve 16, a second pre-tightening arm 33, and a pre-tightening torsion spring 34, wherein:
the installation base 31 is fixed on the cabin door, the rear end of the pre-tightening rotating shaft 30 is hinged on the installation base, and the front end of the pre-tightening rotating shaft 30 is a square shaft; the driving handle 10, the first pre-tightening arm 32 and the second pre-tightening arm 33 are all mounted on a square shaft of the pre-tightening rotating shaft 30 through square holes, and the driving handle 10, the first pre-tightening arm 32 and the second pre-tightening arm 33 cannot change angles relatively but can rotate synchronously on the pre-tightening rotating shaft 30; the first pre-tightening arm 32 is hinged to the rear end of the second connecting sleeve 16, and the front end of the second connecting sleeve 16 is connected with the second pull rod 15; the second pre-tightening arm 33 is hinged to the rear end of the linkage arm 35, and the front end of the linkage arm 35 is connected with the lower end of a bolt shaft of the fourth dismounting buckle 6; one end of the pre-tightening torsion spring 34 is connected with the first pre-tightening arm 32, the other end of the pre-tightening torsion spring is fixed on the installation base 31, and pre-tightening force is provided for the plurality of detaching buckles by the pre-tightening torsion spring 34 and the linkage mechanism.
When the driving handle 10 is rotated, if the driving force of the rotation is greater than the pre-tightening force of the pre-tightening torsion spring 34, the driving handle 10 drives the first pre-tightening arm 32 and the second pre-tightening arm 33 to rotate synchronously; on one hand, the first pre-tightening arm 32 drives the first pull rod 14 and the pull rod sleeve to move through the second pull rod 15, the bolt shafts on the first disassembly buckle 3 and the third disassembly buckle 5 are disassembled, and meanwhile, the second rotating rod 19 is separated from the limit stop 20; on the other hand, the second pre-tightening arm 33 drives the linkage arm 35 to remove the bolt shaft of the fourth disassembly buckle 6, and the bolt shaft of the fourth disassembly buckle 6 is linked with the bolt shaft of the second disassembly buckle 4 through the second linkage rod 13, so that the bolt shafts of the second disassembly buckle 4 and the fourth disassembly buckle 6 can be removed simultaneously, and the purpose of removing the emergency window frame by using the rotary driving handle 10 is achieved.
Optionally, threaded holes are formed in the pull rod sleeve, the first connecting sleeve 29 and the second connecting sleeve 16, and external threads are processed at two ends of the first pull rod 14 and the second pull rod 15, so that the lengths of the first pull rod and the second pull rod can be adjusted during installation, and the installation is convenient.
Referring to fig. 1, a safety rope 11 is provided on the hatch door, and the safety rope 11 is connected to the actuating handle 10 to prevent the actuating handle 10 from being operated by mistake. And a sealing rubber strip is arranged between the emergency window frame and the cabin door.
Referring to fig. 5, another driving handle may be provided outside the hatch door to be coupled with the driving handle 10 inside the hatch door, so that the emergency window frame can be detached outside the hatch door. The safety line 11 is also arranged to prevent the emergency window frame from being removed by an accidental rotation of the handle outside the door.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equally replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (10)
1. An emergency window sealed with a helicopter cabin door is characterized by comprising a plurality of disassembly buckles arranged on the helicopter cabin door (1) and used for connecting an emergency window frame (2) and the cabin door (1); wherein, two disassembly buckles are respectively arranged on two sides of the upper part of the emergency window frame (2) and are respectively marked as a first disassembly buckle (3) and a second disassembly buckle (4); two disassembly buckles are respectively arranged on two sides of the lower part of the emergency window frame (2) and are respectively marked as a third disassembly buckle (5) and a fourth disassembly buckle (6);
the disassembly buckle comprises a fixing part arranged on the emergency window frame (2) and a clamping part arranged on the cabin door (1), the fixing part is detachably connected with the clamping part, and the position of the fixing part relative to the clamping part is limited through a bolt shaft (36);
the bolt shaft (36) on the first dismounting buckle (3) is linked with the bolt shaft (36) on the third dismounting buckle (5) through a first linkage rod (12), and the bolt shaft (36) on the second dismounting buckle (4) is linked with the bolt shaft (36) on the fourth dismounting buckle (6) through a second linkage rod (13);
be provided with drive handle (10) on hatch door (1) that is located emergent window frame (2) below, drive handle (10) drive bolt axle (36) on third dismantlement buckle (5), fourth dismantlement buckle (6) simultaneously through link gear and move to make all bolt axles (36) lose the restriction to the fixed part, thereby make emergent window frame (2) for hatch door (1) separation.
2. The emergency window sealed with the helicopter door according to claim 1, characterized in that the fixing portion comprises a first fixing plate fixed on the emergency window frame (2), the first fixing plate is provided with a lug (24), and the lug (24) is provided with a first fixing hole;
the clamping and stopping part comprises a second fixing plate fixed on the cabin door (1), a fixing table (23) is arranged on the second fixing plate, a fixing groove matched with the lug (24) is formed in the end part of the fixing table (23), and a second fixing hole is formed in the fixing groove;
when the emergency window frame (2) is installed on the cabin door (1), the lug (24) is located in the fixing groove, the first fixing hole and the second fixing hole are coaxially arranged, and the bolt shaft (36) penetrates through the first fixing hole and the second fixing hole.
3. The emergency window sealed with the helicopter door according to claim 1, characterized in that the latch shafts (36) on the first (3) and third (5) release catch are arranged in the vertical direction, and the latch shafts (36) on the second (4) and fourth (6) release catch are arranged obliquely along the oblique side of the emergency window frame (2);
a pre-tightening mechanism (9) is arranged on the cabin door (1) below the emergency window frame (2), and upward or obliquely upward pre-tightening force is provided for the dismounting buckles through the linkage mechanism by the pre-tightening mechanism (9) so as to keep the position of the bolt shaft (36).
4. Emergency window sealed with a helicopter door according to claim 3, characterized in that the linkage comprises the first linkage rod (12), the second linkage rod (13), and a rocker mechanism (8) arranged in the lower part of the emergency window frame (2), wherein:
the rocker arm mechanism (8) comprises a rocker arm shaft (18) arranged on the cabin door (1), a rotatable rocker arm rod is arranged on the rocker arm shaft (18), the rocker arm rod consists of a first rotating rod (17) and a second rotating rod (19), an included angle between the first rotating rod (17) and the second rotating rod (19) is an obtuse angle, and the joint of the first rotating rod (17) and the second rotating rod (19) is arranged on the rocker arm shaft (18);
wherein, a limit stop (20) is arranged on the cabin door (1), and a limit boss (21) matched with the second rotating rod (19) is arranged on the limit stop (20); a pull rod sleeve (22) is arranged above the rocker arm mechanism (8), and the end part of the first rotating rod (17) is connected with the pull rod sleeve (22) through a rotating shaft;
and a first pull rod (14) used for driving the first linkage rod (12) and a second pull rod (15) used for driving the second linkage rod (13) are respectively arranged at two ends of the pull rod sleeve (22).
5. The emergency window sealed with the helicopter door according to claim 4, characterized in that the middle of the limit boss (21) has a straight section, and the thickness of the limit boss (21) gradually decreases from the straight section to the two ends of the limit boss (21) from the two ends of the limit boss (21) toward the straight section.
6. Emergency window sealed with a helicopter door according to claim 4 characterized in that a turning force transfer device (7) is provided on the door (1) below the third dismounting clasp (5), said turning force transfer device (7) comprising: a first connecting sleeve (29), a first transmission arm (28), a second transmission arm (26) and a third transmission arm (25), wherein:
the hatch door (1) is provided with a force transmission shaft (27), the front end of a first force transmission arm (28) and the rear end of a first connecting sleeve (29) are hinged and are arranged on the force transmission shaft (27); the rear end of the first transmission arm (28) is hinged with the rear end of the second transmission arm (26), the front end of the second transmission arm (26) is hinged with the rear end of the third transmission arm (25), and the front end of the third transmission arm (25) is connected with the lower end of a bolt shaft (36) of the third dismounting buckle (5);
the rear end of the first connecting sleeve (29) is connected with the first pull rod (14).
7. The emergency window sealed against a helicopter door according to claim 4, characterized in that the pretensioning mechanism (9) comprises a mounting base (31), a pretensioning spindle (30), a linkage arm (35), a first pretensioning arm (32), a second connecting sleeve (16), a second pretensioning arm (33) and a pretensioning torsion spring (34), wherein:
the installation base (31) is fixed on the cabin door (1), the rear end of the pre-tightening rotating shaft (30) is hinged to the installation base (31), and the front end of the pre-tightening rotating shaft (30) is a square shaft; the driving handle (10), the first pre-tightening arm (32) and the second pre-tightening arm (33) are all installed on a square shaft of the pre-tightening rotating shaft (30) through square holes; the first pre-tightening arm (32) is hinged to the rear end of the second connecting sleeve (16), and the front end of the second connecting sleeve (16) is connected with the second pull rod (15); the second pre-tightening arm (33) is hinged to the rear end of the linkage arm (35), and the front end of the linkage arm (35) is connected with the lower end of a bolt shaft (36) of the fourth dismounting buckle (6);
one end of the pre-tightening torsion spring (34) is connected with the first pre-tightening arm (32), the other end of the pre-tightening torsion spring is fixed on the mounting base (31), and pre-tightening force is provided for the plurality of detaching buckles by the pre-tightening torsion spring (34) and the linkage mechanism.
8. The emergency window sealed with the helicopter door according to claim 6, characterized in that the pull rod sleeve (22), the first connecting sleeve (29) and the second connecting sleeve are provided with threaded holes, and both ends of the first pull rod (14) and the second pull rod (15) are processed into external threads.
9. Emergency window sealed to a helicopter door according to claim 1, characterized in that the door (1) is provided with a safety rope (11), the safety rope (11) being connected to the driving handle (10).
10. Emergency window for sealing against a helicopter door according to claim 1, characterized in that a sealing strip is provided between the emergency window frame (2) and the door (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022094.4A CN112173063B (en) | 2020-09-25 | 2020-09-25 | Emergency window sealed with helicopter cabin door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022094.4A CN112173063B (en) | 2020-09-25 | 2020-09-25 | Emergency window sealed with helicopter cabin door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112173063A CN112173063A (en) | 2021-01-05 |
| CN112173063B true CN112173063B (en) | 2022-07-15 |
Family
ID=73943520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011022094.4A Active CN112173063B (en) | 2020-09-25 | 2020-09-25 | Emergency window sealed with helicopter cabin door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112173063B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102011A (en) * | 1977-06-24 | 1978-07-25 | United Technologies Corporation | Hinged door quick release |
| US5518206A (en) * | 1992-05-22 | 1996-05-21 | Short Brothers Plc | Closure default indicator |
| CN103600834A (en) * | 2013-11-27 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Airplane hatch door quick-release mechanism capable of realizing wide-angle overturn |
| CN205778998U (en) * | 2016-05-27 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of hatch door being applicable to constructing tunnel survival capsule |
| CN107965218A (en) * | 2017-10-27 | 2018-04-27 | 中航通飞研究院有限公司 | A kind of hatch door quick-release latch mechanism |
| CN111204443A (en) * | 2020-02-03 | 2020-05-29 | 中国商用飞机有限责任公司 | Emergency slide bar mechanism for cabin door of airplane |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2830564B1 (en) * | 2001-10-05 | 2003-12-26 | Airbus France | DEVICE AND METHOD FOR CONTROLLING THE EMERGENCY OPENING OF AN AIRCRAFT EXHAUST DOOR |
| JP5607762B2 (en) * | 2010-02-09 | 2014-10-15 | アルコア インコーポレイテッド | Side-drive pin latch |
| PT2441666E (en) * | 2010-10-06 | 2013-08-27 | Agustawestland Spa | Door assembly, in particular for a helicopter, provided with an emergency release device |
| EP2781451B1 (en) * | 2013-03-18 | 2016-06-22 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Aircraft with integrated jettison mechanism |
| CN104590542A (en) * | 2014-12-19 | 2015-05-06 | 成都飞机设计研究所 | Low-RCS embedded cabin door mechanism |
| EP3100947B1 (en) * | 2015-06-05 | 2018-12-19 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | A jettisonable emergency exit for a vehicle |
| CN109927876B (en) * | 2017-12-15 | 2022-04-19 | 中国航空工业集团公司成都飞机设计研究所 | Emergent unlocking device of hatch door |
| CN110979697B (en) * | 2019-12-23 | 2023-01-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Porthole emergency blasting folding, turning and throwing device |
| CN111439100B (en) * | 2020-04-04 | 2022-04-29 | 东风越野车有限公司 | Opening linkage locking device of escape hatch door |
| CN111502457B (en) * | 2020-04-22 | 2021-12-03 | 中国直升机设计研究所 | Device is put in throwing of hinged door |
-
2020
- 2020-09-25 CN CN202011022094.4A patent/CN112173063B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102011A (en) * | 1977-06-24 | 1978-07-25 | United Technologies Corporation | Hinged door quick release |
| US5518206A (en) * | 1992-05-22 | 1996-05-21 | Short Brothers Plc | Closure default indicator |
| CN103600834A (en) * | 2013-11-27 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Airplane hatch door quick-release mechanism capable of realizing wide-angle overturn |
| CN205778998U (en) * | 2016-05-27 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of hatch door being applicable to constructing tunnel survival capsule |
| CN107965218A (en) * | 2017-10-27 | 2018-04-27 | 中航通飞研究院有限公司 | A kind of hatch door quick-release latch mechanism |
| CN111204443A (en) * | 2020-02-03 | 2020-05-29 | 中国商用飞机有限责任公司 | Emergency slide bar mechanism for cabin door of airplane |
Non-Patent Citations (2)
| Title |
|---|
| 抗震救灾的飞行器;张维;《航空知识》;20080701(第07期);全文 * |
| 直升机水下逃生舱设计与仿真;赵天启;《科技风》;20200920(第26期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112173063A (en) | 2021-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2987934B1 (en) | Opening/closing mechanism having a self-locking device | |
| US9890582B2 (en) | Door release mechanism | |
| CN1285821C (en) | Actuator for gates, doors and the like | |
| RU2486103C2 (en) | Device to open and close aircraft landing gear well (versions) and landing gear well flap mechanism | |
| US8876171B2 (en) | Lock for a luggage box | |
| CN101808840A (en) | Electric swing plug door operator with auxiliary door locking mechanism | |
| DE10207540A1 (en) | Motor device for operating a vehicle door operating device | |
| CN112173063B (en) | Emergency window sealed with helicopter cabin door | |
| CN1082003C (en) | Latch-lock mechanism for load carrying airplane cargo doors | |
| CN111927204A (en) | Helicopter cockpit door locking mechanism | |
| US3313176A (en) | Mechanical locking arrangements | |
| WO2011091995A1 (en) | Apparatus for the stationary arrangement of floating bodies | |
| CN103132826B (en) | Locking mechanism of cockpit door | |
| CN103552566A (en) | Secondary locking device for hopper car bottom gate and hopper car | |
| DE112006001371T5 (en) | Lifting and pulling device | |
| CN200949370Y (en) | Front casing lock of passenger cars | |
| DE102012015814B4 (en) | Motor chain saw with a wrap spring clutch and a friction brake | |
| CN210422277U (en) | Locking device and opening and closing mechanism with same | |
| CN210479048U (en) | Helicopter cargo hook device | |
| US20070062765A1 (en) | Handbrake load indicator | |
| CN206529200U (en) | Elevator door safety device and the elevator with the device | |
| CN106672766A (en) | Elevator landing door safety protection device and elevator with same | |
| CN110194423B (en) | Train emergency evacuation door anti-reversing transmission system | |
| CN203626647U (en) | Novel self-locking elevator pin | |
| CN205527620U (en) | Aerial -working safety lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |