CN117550060A - Cabin door position adjusting device and aircraft - Google Patents
Cabin door position adjusting device and aircraft Download PDFInfo
- Publication number
- CN117550060A CN117550060A CN202311715744.7A CN202311715744A CN117550060A CN 117550060 A CN117550060 A CN 117550060A CN 202311715744 A CN202311715744 A CN 202311715744A CN 117550060 A CN117550060 A CN 117550060A
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- Prior art keywords
- heading
- shaft
- spanwise
- body portion
- door
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- B64C1/1407—Doors; surrounding frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hinges (AREA)
Abstract
A door position adjusting device and an aircraft are provided, which can easily adjust the gap and the step between a door and a door frame. The cabin door position adjusting device of the present invention includes: a first body portion; a first heading shaft for connecting with one of the door side member and the door frame side member, the first main body portion being supported on the first heading shaft so as to be movable along the first heading shaft; a first direction-expanding shaft connected to the other of the door-side member and the door-frame-side member, extending so as to intersect the first heading shaft, and supported by the first main body so as to be movable along the first direction-expanding shaft; a first heading lock mechanism switchable between a state in which movement of the first body portion relative to the first heading axis is restricted and a state in which movement of the first body portion relative to the first heading axis is permitted; and a first spanwise locking mechanism switchable between a state in which the first main body portion is restricted from moving relative to the first spanwise axis and a state in which the first main body portion is allowed to move relative to the first spanwise axis.
Description
Technical Field
The invention relates to a cabin door position adjusting device and an aircraft.
Background
In aircraft, a door lifting device is generally provided, which plays a role of lifting a door to a designated position during opening and closing of the door, and bypassing a door stop block to achieve opening and closing of the door.
Examples of the door lifting device include a door lifting booster disclosed in patent document 1, an aircraft door lifting device disclosed in patent document 2, a non-dangerous door latch lifting mechanism disclosed in patent document 3, a passenger aircraft door lifting mechanism disclosed in patent document 4, a passenger aircraft door lifting mechanism disclosed in patent document 5, and a door lifting mechanism disclosed in patent document 6.
Patent document 1: CN106907075A
Patent document 2: CN112696111A
Patent document 3: CN106812400A
Patent document 4: CN110965870A
Patent document 5: CN110359799A
Patent document 6: US005255876a
However, the cabin door lifting booster mechanism disclosed in patent document 1 can only complete lifting of the cabin door, the aircraft cabin door lifting device disclosed in patent document 2 can only make the cabin door move in the vertical direction, the non-dangerous cabin door latch lifting mechanism disclosed in patent document 3 restricts the movement of a plurality of parts, the passenger aircraft cabin door lifting mechanism disclosed in patent document 4 only completes the lifting movement of the cabin door, the passenger aircraft cabin door lifting mechanism disclosed in patent document 5 only completes the lifting movement of the cabin door, and the cabin door lifting mechanism disclosed in patent document 6 can only make the cabin door move in the vertical direction, so that the gap and step between the cabin door and the door frame cannot be adjusted by utilizing the functions of the device itself in the installation and debugging process of the aircraft cabin door, and repeated disassembly mechanisms and posture adjustment by a padded mode are required.
In view of the above, there is an urgent need for a structure for adjusting a gap and a step between a door and a door frame, which can be used in combination with a door lifting device.
Disclosure of Invention
The present invention has been made in view of the above-described problems, and an object thereof is to provide a door position adjusting device and an aircraft, which can easily adjust a gap and a step between a door and a door frame.
In order to achieve the above object, the present invention provides a door position adjusting device, comprising: a first body portion; a first heading shaft for connecting to one of a door side member and a door frame side member, the first body portion being supported on the first heading shaft so as to be movable along the first heading shaft; a first direction-extending shaft for connecting to the other of the door-side member and the door-frame-side member, the first direction-extending shaft extending so as to intersect with the first heading shaft, the first body portion being supported on the first direction-extending shaft so as to be movable along the first direction-extending shaft; a first heading-lock mechanism that is switchable between a state in which movement of the first body portion relative to the first heading axis is restricted and a state in which movement of the first body portion relative to the first heading axis is permitted; and a first spanwise locking mechanism that is switchable between a state in which movement of the first main body portion relative to the first spanwise axis is restricted and a state in which movement of the first main body portion relative to the first spanwise axis is permitted.
The extending direction of the first heading axis is not required to be strictly consistent with the heading of the upper equipment such as the aircraft with the cabin door position adjusting device, and only needs to be approximately consistent, and the extending direction of the first heading axis is not required to be consistent with the heading of the upper equipment such as the aircraft with the cabin door position adjusting device.
According to the door position adjusting device of the present invention, in a state in which the first heading shaft is connected to one of the door side member and the door frame side member and the first spanwise shaft is connected to the other of the door side member and the door frame side member, by the first body portion moving in the heading direction with respect to the first heading shaft and in the spanwise direction with respect to the first spanwise shaft, stepless adjustment of the door in the heading and in the spanwise direction can be achieved while ensuring that the door and the door frame are assembled in place, thereby controlling adjustment of the gap and the step between the door and the door frame.
In the door position adjusting device of the present invention, it is preferable that the first heading lock mechanism includes: a first heading bush detachably sleeved on the first heading shaft in a manner of being incapable of relative movement, penetrating and supporting a first part of the first main body part, and being provided with external threads; and the pair of first heading lock nuts are provided with internal threads which are screwed with the external threads of the first heading bush, and the first part is clamped from two sides of the extending direction of the first heading shaft.
According to the cabin door position adjusting device, compared with the condition that the paired first course lock nuts are directly screwed with the first course shaft, the cabin door position adjusting device is beneficial to avoiding possible fatigue problems of connecting parts and guaranteeing the strength performance of the first course shaft of the main bearing and structural members connected with the first course shaft.
In addition, in the door position adjusting device according to the present invention, it is preferable that the door position adjusting device further includes a first heading moving bush which is fitted around the first heading axis in such a manner as to be aligned with the first heading bush along the first heading axis, and which penetrates and supports a second portion of the first main body portion different from the first portion.
According to the cabin door position adjusting device of the invention, the first main body part is supported on the first course shaft stably, and the first main body part moves smoothly relative to the first course shaft.
In addition, in the cabin door position adjusting device of the present invention, it is preferable that the cabin door position adjusting device further comprises a first heading connecting bush which is sleeved on the first heading shaft and is connected with an external device.
According to the cabin door position adjusting device, compared with the situation that an external device is directly connected with the first course shaft, fatigue problems possibly existing at the connecting position can be avoided, and the strength performance of the first course shaft of the main bearing and a structural part connected with the first course shaft is guaranteed.
In the door position adjusting device according to the present invention, the first spanwise locking mechanism preferably includes: a first expansion bushing which is sleeved on the first expansion shaft in a relatively rotatable manner and is provided with external threads which are in threaded engagement with internal threads arranged on the first main body part; a first spanwise lock nut provided with an internal thread threaded with the external thread of the first spanwise bushing; and a pair of first locking washers having joint surfaces opposed to each other, one of the pair of first locking washers being fixed with respect to the first main body portion and the other being fixed with respect to the first spanwise bush, the pair of first locking washers being sandwiched by the first spanwise locking nut and the first main body portion from both sides in an extending direction of the first spanwise shaft.
According to the cabin door position adjusting device, the first unfolding locking mechanism is simple and compact in structure, and manufacturing cost is reduced.
In addition, in the door position adjusting device of the present invention, it is preferable to include: a second body portion provided below or above the first body portion; a second heading shaft connected to one of the door-side member and the door-frame-side member and parallel to the first heading shaft, the second body portion being supported on the second heading shaft so as to be movable along the second heading shaft; a second direction-extending shaft for connecting to the other of the door-side member and the door-frame-side member, the second body portion being supported by the second direction-extending shaft so as to be movable along the second direction-extending shaft; a second heading-lock mechanism that is switchable between a state in which movement of the second body portion relative to the second heading axis is restricted and a state in which movement of the second body portion relative to the second heading axis is permitted; and a second spanwise locking mechanism that is switchable between a state in which movement of the second main body portion relative to the second spanwise axis is restricted and a state in which movement of the second main body portion relative to the second spanwise axis is permitted.
According to the door position adjusting device of the present invention, in a state in which the first heading shaft, the second heading shaft are connected to one of the door side member and the door frame side member and the first spanwise shaft, the second spanwise shaft are connected to the other of the door side member and the door frame side member, it is possible to stably realize the first body portion moving in the heading direction with respect to the first heading shaft, the first body portion moving in the spanwise direction with respect to the first spanwise shaft, and the second body portion moving in the heading direction with respect to the second heading shaft, the second body portion moving in the spanwise direction with respect to the second spanwise shaft.
In the door position adjusting device of the present invention, it is preferable that the second heading lock mechanism includes: the second heading bush is detachably sleeved on the second heading shaft in a mode of being incapable of relative movement, penetrates through and supports the second main body part and is provided with external threads; and a pair of second heading lock nuts provided with internal threads screwed with the external threads of the second heading bush, and clamping the second main body portion from both sides of the extending direction of the second heading shaft.
According to the cabin door position adjusting device, compared with the condition that the paired second course lock nuts are directly screwed with the second course shaft, the cabin door position adjusting device is beneficial to avoiding possible fatigue problems of connecting parts and guaranteeing the strength performance of the second course shaft of the main bearing and structural members connected with the second course shaft.
In the door position adjusting device according to the present invention, the second spanwise locking mechanism preferably includes: a second axial bushing which is sleeved on the second axial shaft in a relatively rotatable manner and is provided with external threads which are in threaded engagement with internal threads provided on the second main body part; a second spread lock nut provided with an internal thread screwed with the external thread of the second main body part; and a pair of second locking washers having joint surfaces opposed to each other, one of the pair of second locking washers being fixed with respect to the second main body portion and the other being fixed with respect to the second spanwise bush, the pair of second locking washers being sandwiched by the second spanwise locking nut and the second main body portion from both sides in an extending direction of the second spanwise shaft.
According to the cabin door position adjusting device, the second unfolding locking mechanism is simple and compact in structure, and manufacturing cost is reduced.
Further, in the door position adjusting device of the present invention, it is preferable that the first body portion is provided rotatably with respect to the first heading axis, and/or the second body portion is provided rotatably with respect to the second heading axis.
According to the door position adjusting device of the present invention, the degree of freedom in the arrangement of the first body portion and the second body portion in the up-down direction can be improved.
In the door position adjusting device according to the present invention, it is preferable that the first heading shaft and the second heading shaft are rotatably supported by one of the door side member and the door frame side member via bearings, and the first yaw shaft and the second yaw shaft are connected to the other of the door side member and the door frame side member via universal joints, respectively.
The cabin door position adjusting device is flexible to install and is beneficial to expanding the application range.
In addition, in order to achieve the above object, the present invention provides an aircraft comprising a door position adjustment device according to any one of the above.
(effects of the invention)
According to the invention, the first main body part moves relative to the first course shaft in the course direction and relative to the first direction-expanding shaft in the direction expanding direction, so that the stepless adjustment of the cabin door in the course direction and the direction expanding direction can be realized while the cabin door and the door frame are assembled at proper positions, and the gap and the step difference between the cabin door and the door frame can be controlled and adjusted.
Drawings
Fig. 1 is a perspective view schematically showing a state in which a door to which a door position adjusting device of an embodiment of the present invention is applied is in a closed position.
Fig. 2 is another perspective view schematically showing a state in which a door to which the door position adjusting device of the embodiment of the present invention is applied is located at a lifted position.
Fig. 3 is a perspective view schematically showing a door position adjusting device according to an embodiment of the present invention.
Fig. 4A is a plan view schematically showing a first unit in the door position adjusting device according to the embodiment of the present invention.
Fig. 4B is a cross-sectional view taken along line A-A of fig. 4A.
Fig. 4C is a cross-sectional view taken along line B-B of fig. 4A.
Fig. 5A is a plan view schematically showing a second unit in the door position adjusting device according to the embodiment of the present invention.
Fig. 5B is a cross-sectional view taken along line A-A of fig. 5A.
Fig. 5C is a cross-sectional view taken along line B-B of fig. 5A.
Fig. 6 is a perspective view schematically showing a pair of locking washers in the door position adjusting device.
(symbol description)
1. Cabin door position adjusting device
10. First unit
11. A first main body part
111. First part
112. Second part
12. First heading axis
13. First axial shaft
1311. Flange part
1312. Ear piece
14. First course locking mechanism
141. First heading bushing
142a, 142b first heading lock nut
15. First spreading locking mechanism
151. First spanwise bushing
152. First spreading lock nut
153. First locking gasket
16. First course movement bushing
17. First heading connecting bushing
20. Second unit
21. A second main body part
22. Second heading axis
23. Second axial shaft
2311. Flange part
2312. Ear piece
24. Second course locking mechanism
241. Second heading bushing
242a, 242b second heading lock nut
25. Second spanwise locking mechanism
251. Second spanwise bushing
252. Second spreading lock nut
253. Second locking gasket
30. Cabin door side part
40. Door frame side member
W1 screw
W2 screw
W3 nut
W4 screw
W5 screw
W6 nut
Detailed Description
Next, a door position adjusting device according to an embodiment of the present invention will be described with reference to fig. 1 to 6.
(Structure of cabin door position adjusting device)
As shown in fig. 1 and 2, the door position adjusting device 1 includes a first unit 10 and a second unit 20 located below the first unit 10. When the door is in the closed position, the door body bottom is substantially flush with the door frame, and the first unit 10 and the second unit 20 are connected to the door lock in the closed position (see, for example, fig. 1). On the other hand, when the door is in the lifted state, the bottom of the door body is higher than the door frame, and the first unit 10 and the second unit 20 are connected to the door lock in the lifted state (for example, refer to fig. 2).
(Structure of first unit)
As shown in fig. 1 to 3, the first unit 10 includes: a first body portion 11; a first heading shaft 12, the first heading shaft 12 being used for connecting with one of the door side member 30 and the door frame side member 40, the first main body 11 being supported on the first heading shaft 12 in a manner capable of moving along the first heading shaft 12; a first direction-extending shaft 13 for connecting to the other of the door side member 30 and the door frame side member 40, extending so as to intersect the first heading shaft 12, and the first main body 11 being supported on the first direction-extending shaft 13 so as to be movable along the first direction-extending shaft 13; a first heading-lock mechanism 14, the first heading-lock mechanism 14 being switchable between a state in which the first body portion 11 is restricted from moving relative to the first heading axis 12 and a state in which the first body portion 11 is allowed to move relative to the first heading axis 12; and a first spanwise locking mechanism 15, the first spanwise locking mechanism 15 being switchable between a state in which the first main body 11 is restricted from moving relative to the first spanwise shaft 13 and a state in which the first main body 11 is allowed to move relative to the first spanwise shaft 13.
Here, as shown in fig. 1 to 3, the first heading shaft 12 is connected to the door side member 30 (specifically, both ends of the first heading shaft 12 are rotatably supported by the door side member 30 such as a support plate via a bearing, for example), and the first spanwise shaft 13 is connected to the door frame side member 40 (specifically, one end of the first spanwise shaft 13 is connected to the door frame side member 40 such as a hinge via a universal joint, for example). And, the first body portion 11 is provided rotatably with respect to the first heading axis 12. And, the first spanwise axis 13 extends perpendicularly to the first heading axis 12.
Further, as shown in fig. 3, 4A, and 4B, the first heading-lock mechanism 14 includes: a first heading bush 141 detachably fitted to the first heading shaft 12 so as not to move relatively (specifically, the first heading bush 141 is fixed to the first heading shaft 12 by screws W1 and W2 such as bolts after being fitted to the first heading shaft 12), and is provided with an external thread (may be provided only at a part of the first heading bush 141 in the axial direction or may be provided at the entire part of the first heading bush 141 in the axial direction) so as to penetrate and support the first portion 111 of the first main body 11 (in the illustrated example, the first heading bush 141 is in an arm shape perpendicular to the first heading shaft 12, but not limited thereto); a pair of first heading lock nuts 142a, 142b, the pair of first heading lock nuts 142a, 142b being provided with internal threads that are screwed with external threads of the first heading bush 141, and clamping the first portion 111 from both sides in the extending direction of the first heading shaft 12 (either directly clamping the first portion 111 or clamping the first portion 111 via a spacer).
Further, as shown in fig. 3, 4A and 4B, the first unit 10 further includes a first heading moving bush 16, and the first heading moving bush 16 is fitted around the first heading shaft 12 in such a manner as to be aligned with the first heading bush 141 along the first heading shaft 12, and penetrates and supports a second portion 112 (in the illustrated example, an arm shape perpendicular to the first heading shaft 12) of the first body portion 11, which is different from the first portion 111.
In addition, as shown in fig. 3, 4A and 4B, the first unit 10 further includes a first heading connection bushing 17, which first heading connection bushing 17 is sleeved on the first heading shaft 12 (specifically, on the opposite side of the first heading movement bushing 16 from the first heading bushing 141), and is connected to an external device.
Further, as shown in fig. 4A, 4C, and 6, the first spanwise locking mechanism 15 includes: a first spanwise bush 151 rotatably fitted around the first spanwise shaft 13, and provided with an external thread screwed with an internal thread provided in the first main body 11; a first spanwise lock nut 152, the first spanwise lock nut 152 being provided with an internal thread screwed with the external thread of the first spanwise bushing 151; and a pair of first locking washers 153 having coupling surfaces (a structure for suppressing relative rotation such as a concave-convex portion) facing each other, one of the pair of first locking washers 153 (positioned on an upper side in fig. 4C) being fixed to the first main body portion 11 (for example, fixed to each other by engagement), the other (positioned on a lower side in fig. 4C) being fixed to the first spanwise bush 151 (for example, fixed to each other by engagement), the pair of first locking washers 153 being sandwiched by the first spanwise lock nut 152 and the first main body portion 11 from both sides in the extending direction of the first spanwise shaft 13.
Here, as shown in fig. 4A and 4C, the first spanwise shaft 13 penetrates the first spanwise bushing 151, one end of the first spanwise shaft 13 is provided with a flange portion 1311 and a tab 1312 for connecting with the door frame side member 40, the other end of the first spanwise shaft 13 is provided with external threads for screwing the nut W3, and the nut W3 and the flange portion 1311 are abutted against the first spanwise bushing 151 from both sides in the extending direction of the first spanwise shaft 13.
(adjustment action of first Unit)
In performing the heading position adjustment of the hatch, for example, the first heading lock nuts 142a, 142b are loosened (i.e., screwed in a direction away from the first body portion 11), then the first body portion 11 is moved to a desired position along the first heading axis 12, and then the first heading lock nuts 142a, 142b are tightened (i.e., screwed into abutment with the first body portion 11).
Further, at the time of the door deployment position adjustment, for example, the first spanwise lock nut 152 is loosened (i.e., screwed in a direction of separating from the paired first lock washers 153), the paired first lock washers 153 are separated from each other along the first spanwise shaft 13, and then the first spanwise bushing 151 is rotated to move the first main body portion 11 to a desired position along the first spanwise shaft 13, and then the first spanwise lock nut 152 is screwed (i.e., screwed to the paired first lock washers 153 abutting each other).
(Structure of second cell)
As shown in fig. 1 to 3, the second unit 20 includes: a second body portion 21, the second body portion 21 being provided below the first body portion 11; a second heading shaft 22 for connecting with one of the door side member 30 and the door frame side member 40 and being parallel to the first heading shaft 12, the second body portion 21 being supported on the second heading shaft 22 so as to be movable along the second heading shaft 22; a second direction-extending shaft 23 for connecting to the other of the door side member 30 and the door frame side member 40, the second main body portion 21 being supported on the second direction-extending shaft 22 so as to be movable along the second direction-extending shaft 22; a second heading-lock mechanism 24, the second heading-lock mechanism 24 being capable of switching between a state in which the movement of the second body portion 21 relative to the second heading axis 22 is restricted and a state in which the movement of the second body portion 21 relative to the second heading axis 22 is allowed; and a second spanwise locking mechanism 25, the second spanwise locking mechanism 25 being switchable between a state in which the movement of the second main body portion 21 relative to the second spanwise shaft 23 is restricted and a state in which the movement of the second main body portion 21 relative to the second spanwise shaft 23 is permitted.
Here, as shown in fig. 1 to 3, the second heading shaft 22 is connected to the door side member 30, and the second heading shaft 23 is connected to the door frame side member 40. And, the second body portion 21 is provided rotatably with respect to the second heading axis 22. And, the second spanwise axis 23 extends perpendicularly to the second heading axis 22.
Further, as shown in fig. 5A and 5B, the second heading-lock mechanism 24 includes: a second heading bush 241 detachably fitted to the second heading shaft 22 so as not to be movable relative to each other (specifically, the second heading bush 241 is fixed to the second heading shaft 22 by screws W4 and W5 such as bolts after being fitted to the second heading shaft 22), and is provided with external threads (may be provided only in a part of the second heading bush 241 in the axial direction or may be provided in the entirety of the second heading bush 241 in the axial direction) penetrating and supporting the second body portion 21; and a pair of second heading lock nuts 242a, 242b, the second heading lock nuts 242a, 242b being provided with internal threads that are screwed with external threads of the second heading bush 241, and clamping the second body portion 21 from both sides in the extending direction of the second heading shaft 22 (the second body portion 21 may be clamped directly or clamped via a gasket).
Further, as shown in fig. 5A, 5C, and 6, the second spanwise locking mechanism 25 includes: a second spanwise bush 251 which is rotatably fitted over the second spanwise shaft 23 and is provided with an external thread which is screwed with an internal thread provided in the second main body portion 21; a second spread lock nut 252, the second spread lock nut 252 having an internal thread screwed with the external thread of the second main body portion 21; and a pair of second locking washers 253 having coupling surfaces (a structure for suppressing relative rotation such as a concave-convex portion is provided) facing each other, one of the pair of second locking washers 253 being fixed (for example, fixed to each other by engagement) with respect to the second main body portion 21, the other (for example, fixed to each other by engagement) with respect to the second spanwise bush 251 (for example, fixed to each other by engagement) and the pair of second locking washers 253 being sandwiched by the second spanwise lock nut 252 and the second main body portion 21 from both sides in the extending direction of the second spanwise shaft 23.
Here, as shown in fig. 5A and 5C, the second spanwise shaft 23 penetrates the second spanwise bushing 251, one end of the second spanwise shaft 23 is provided with a flange portion 2311 and a tab 2312 for connecting with the door frame side member 40, the other end of the second spanwise shaft 23 is provided with an external thread for screwing the nut W6, and the nut W6 and the flange portion 2311 are abutted against the second spanwise bushing 251 from both sides in the extending direction of the second spanwise shaft 23.
(adjustment action of the second Unit)
In performing the heading position adjustment of the hatch, for example, the second heading lock nuts 242a, 242b are first loosened (i.e., screwed in a direction away from the second body portion 21), then the second body portion 21 is moved to a desired position along the second heading axis 22, and then the second heading lock nuts 242a, 242b are tightened (i.e., screwed into abutment with the second body portion 21).
Further, when the door deployment position adjustment is performed, for example, the second spanwise lock nut 252 is loosened (i.e., screwed in a direction to separate from the paired second lock shims 253), the paired second lock shims 253 are separated from each other along the second spanwise shaft 23, and then the second spanwise bushing 251 is rotated to move the second main body portion 21 to a desired position along the second spanwise shaft 23, and then the second spanwise lock nut 252 is screwed (i.e., screwed to the paired second lock shims 253 abutting each other).
(main effects of the present embodiment)
The cabin door position adjusting device 1 of the embodiment has the advantages of compact structure, good strength and rigidity, high reliability and convenience in installation and adjustment. Meanwhile, the cabin door has stepless regulation measures in the direction of the cabin door course and the direction of the extension, can compensate any direction deviation caused by assembly and deformation of the cabin door, ensures the step difference and the gap between the cabin door and the door frame, and meets the aerodynamic appearance requirement of the aircraft.
In addition, the cabin door position adjusting device 1 of the embodiment occupies small space by adjusting measures, has a simple structure, and is suitable for being refitted on the existing cabin door configuration.
The invention has been described above by way of example with reference to the accompanying drawings, it being apparent that the invention is not limited to the embodiments described above.
For example, in the above embodiment, the door position adjustment device 1 includes the first unit 10 and the second unit 20 located below the first unit 10, but the door position adjustment device is not limited thereto, and the second unit 20 may be provided above the first unit 10, and one of the first unit 10 and the second unit 20 may be omitted as occasion demands.
In the above embodiment, the first unit 10 and the second unit 20 are formed in different structures, but the present invention is not limited thereto, and the first unit 10 and the second unit 20 may be formed in the same structure.
In the above embodiment, the first body 11 is provided rotatably about the first heading axis 12, but the present invention is not limited thereto, and the first body 11 may be provided so as not to be rotatable about the first heading axis 12.
In addition, in the above embodiment, the first heading lock mechanism 14 includes the first heading bush 141, but is not limited thereto, and the first heading bush 141 may be omitted. In this case, for example, external threads for the internal threads of the paired first heading lock nuts 142a, 142b can be provided directly on the first heading shaft 12.
In the above embodiment, the first heading lock mechanism 14 includes the paired first heading lock nuts 142a, 142b, but not limited thereto, a screw hole extending across and penetrating the first heading shaft 12 may be provided at the first portion 111 of the first main body portion 11, and a screw member screwed into the screw hole and having a tip end capable of abutting against the first heading shaft 12 may be provided instead of the paired first heading lock nuts 142a, 142b.
In the above embodiment, the first spanwise locking mechanism 15 includes the first spanwise bush 151, the first spanwise lock nut 152, and the first lock washer 153, but the present invention is not limited thereto, and a screw hole extending across and penetrating the first spanwise shaft 13 may be provided in a portion of the first main body 11 into which the first spanwise shaft 13 is inserted, and a screw member screwed into the screw hole and having a tip end capable of abutting against the first spanwise shaft 13 may be provided instead of the first spanwise bush 151, the first spanwise lock nut 152, and the first lock washer 153.
In the above embodiment, after the pair of first lock washers 153 are abutted against each other by tightening the first spanwise lock nut 152, one of the pair of first lock washers 153 (the first lock washer 153 apart from the first spanwise lock nut 152) may be tied to the first spanwise bush 151 with a wire rope to prevent loosening.
In the above embodiment, the first heading moving bush 16 and the first heading connecting bush 17 may be omitted, as the case may be.
In addition, in the above embodiment, the second heading lock mechanism 24 includes the second heading bushing 241, but is not limited thereto, and the second heading bushing 241 may be omitted. In this case, for example, external threads for the internal threads of the paired second heading lock nuts 242a, 242b can be provided directly on the second heading shaft 22.
In addition, in the above embodiment, the second heading lock mechanism 24 includes the second heading bushing 241, but is not limited thereto, and the second heading bushing 241 may be omitted. In this case, for example, external threads for the internal threads of the paired second heading lock nuts 242a, 242b can be provided directly on the second heading shaft 22.
In the above embodiment, the second heading lock mechanism 24 includes the paired second heading lock nuts 242a, 242b, but the present invention is not limited thereto, and a screw hole extending across and penetrating the second heading shaft 22 may be provided at the second main body portion 21, and a screw member screwed into the screw hole and having a tip end capable of abutting against the second heading shaft 22 may be provided instead of the paired second heading lock nuts 242a, 242b.
In the above embodiment, the second spanwise locking mechanism 25 includes the second spanwise bushing 251, the second spanwise lock nut 252, and the second lock washer 253, but the present invention is not limited thereto, and a screw hole extending across and penetrating the second spanwise shaft 23 may be provided in a portion of the second main body portion 21 into which the second spanwise shaft 23 is inserted, and a screw member screwed into the screw hole and having a distal end capable of abutting against the second spanwise shaft 23 may be provided instead of the second spanwise bushing 251, the second spanwise lock nut 252, and the second lock washer 253.
In the above embodiment, after the second spanwise locking nut 252 is tightened to bring the paired second locking shims 253 into contact with each other, one of the paired second locking shims 253 (the second locking shim 253 apart from the second spanwise locking nut 252) may be tied together with the second spanwise bushing 251 by a wire rope to prevent loosening.
In the above embodiment, the specific connection modes of the first heading shaft 12, the first spanwise shaft 13, the second heading shaft 22 and the second spanwise shaft 23 to the door side member 30 and the door frame side member 40 may be appropriately selected as required.
Furthermore, the door position adjusting device 1 of the present invention can be used in combination with existing door lifting devices.
The door position adjusting device 1 according to the present invention is not limited to being applied to an aircraft, but may be applied to a device such as a ship.
It is to be understood that the present invention can freely combine the respective portions in the embodiment, or appropriately modify and omit the respective portions in the embodiment within the scope thereof.
Claims (11)
1. A door position adjustment device, comprising:
a first body portion;
a first heading shaft for connecting to one of a door side member and a door frame side member, the first body portion being supported on the first heading shaft so as to be movable along the first heading shaft;
a first direction-extending shaft for connecting to the other of the door-side member and the door-frame-side member, the first direction-extending shaft extending so as to intersect with the first heading shaft, the first body portion being supported on the first direction-extending shaft so as to be movable along the first direction-extending shaft;
a first heading-lock mechanism that is switchable between a state in which movement of the first body portion relative to the first heading axis is restricted and a state in which movement of the first body portion relative to the first heading axis is permitted; and
and a first spanwise locking mechanism that is switchable between a state in which the first main body portion is restricted from moving relative to the first spanwise axis and a state in which the first main body portion is allowed to move relative to the first spanwise axis.
2. Door position adjusting device according to claim 1, characterized in that,
the first heading-lock mechanism includes:
a first heading bush detachably sleeved on the first heading shaft in a manner of being incapable of relative movement, penetrating and supporting a first part of the first main body part, and being provided with external threads;
and the pair of first heading lock nuts are provided with internal threads which are screwed with the external threads of the first heading bush, and the first part is clamped from two sides of the extending direction of the first heading shaft.
3. Door position adjusting device according to claim 2, characterized in that,
the first heading moving bush is sleeved on the first heading shaft in a mode of being arranged along the first heading shaft with the first heading bush, and penetrates through and supports a second part of the first main body part, which is different from the first part.
4. A door position adjusting device according to claim 3, wherein,
the device further comprises a first course connecting bushing which is sleeved on the first course shaft and is used for connecting an external device.
5. Door position adjusting device according to claim 1, characterized in that,
the first spanwise locking mechanism includes:
a first expansion bushing which is sleeved on the first expansion shaft in a relatively rotatable manner and is provided with external threads which are in threaded engagement with internal threads arranged on the first main body part;
a first spanwise lock nut provided with an internal thread threaded with the external thread of the first spanwise bushing; and
and a pair of first locking washers having engagement surfaces opposed to each other, one of the pair of first locking washers being fixed with respect to the first main body portion and the other being fixed with respect to the first spanwise bush, the pair of first locking washers being sandwiched by the first spanwise locking nut and the first main body portion from both sides in an extending direction of the first spanwise shaft.
6. Door position adjustment device according to claim 1, comprising:
a second body portion provided below or above the first body portion;
a second heading shaft connected to one of the door-side member and the door-frame-side member and parallel to the first heading shaft, the second body portion being supported on the second heading shaft so as to be movable along the second heading shaft;
a second direction-extending shaft for connecting to the other of the door-side member and the door-frame-side member, the second body portion being supported by the second direction-extending shaft so as to be movable along the second direction-extending shaft;
a second heading-lock mechanism that is switchable between a state in which movement of the second body portion relative to the second heading axis is restricted and a state in which movement of the second body portion relative to the second heading axis is permitted; and
and a second spanwise locking mechanism that is switchable between a state in which the second main body portion is restricted from moving relative to the second spanwise axis and a state in which the second main body portion is allowed to move relative to the second spanwise axis.
7. Door position adjusting device according to claim 6, characterized in that,
the second heading-locking mechanism includes:
the second heading bush is detachably sleeved on the second heading shaft in a mode of being incapable of relative movement, penetrates through and supports the second main body part and is provided with external threads; and
and the second course lock nuts are provided with internal threads which are screwed with the external threads of the second course bushing, and the second main body part is clamped from two sides of the extending direction of the second course shaft.
8. Door position adjusting device according to claim 7, characterized in that,
the second spanwise locking mechanism includes:
a second axial bushing which is sleeved on the second axial shaft in a relatively rotatable manner and is provided with external threads which are in threaded engagement with internal threads provided on the second main body part;
a second spread lock nut provided with an internal thread screwed with the external thread of the second main body part; and
and a pair of second locking washers having engagement surfaces opposed to each other, one of the pair of second locking washers being fixed with respect to the second main body portion and the other being fixed with respect to the second spanwise bush, the pair of second locking washers being sandwiched by the second spanwise locking nut and the second main body portion from both sides in an extending direction of the second spanwise shaft.
9. Door position adjusting device according to claim 6, characterized in that,
the first body portion is configured to be rotatable relative to the first heading axis,
and/or the number of the groups of groups,
the second body portion is configured to be rotatable relative to the second heading axis.
10. Door position adjusting device according to claim 6, characterized in that,
the first heading shaft and the second heading shaft are rotatably supported via bearings to one of a door side member and a door frame side member,
the first and second spanwise shafts are connected to the other of the door side member and the door frame side member via universal joints, respectively.
11. An aircraft comprising a door position adjustment device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715744.7A CN117550060A (en) | 2023-12-13 | 2023-12-13 | Cabin door position adjusting device and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715744.7A CN117550060A (en) | 2023-12-13 | 2023-12-13 | Cabin door position adjusting device and aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117550060A true CN117550060A (en) | 2024-02-13 |
Family
ID=89812675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311715744.7A Pending CN117550060A (en) | 2023-12-13 | 2023-12-13 | Cabin door position adjusting device and aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117550060A (en) |
-
2023
- 2023-12-13 CN CN202311715744.7A patent/CN117550060A/en active Pending
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