CN109779437B - Cabin door driving system - Google Patents
Cabin door driving system Download PDFInfo
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- CN109779437B CN109779437B CN201910122325.XA CN201910122325A CN109779437B CN 109779437 B CN109779437 B CN 109779437B CN 201910122325 A CN201910122325 A CN 201910122325A CN 109779437 B CN109779437 B CN 109779437B
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Abstract
The application provides a cabin door driving system, which comprises a guide mechanism, a supporting mechanism and a power mechanism; the guiding mechanism is used for guiding and limiting the movement of the left cabin door and the right cabin door relative to the cabin body; the power mechanism is arranged in the middle of the inner cavity of the cabin body and controls the opening and closing of the left cabin door and the right cabin door; the supporting mechanism is connected with and fixed to the power mechanism, the left cabin door, the right cabin door and the cabin body; the power mechanism and the cabin body are not fixed with each other. According to the application, through the structures of the guide mechanism, the supporting mechanism and the power mechanism, based on the arrangement of the split type cabin door, the requirements of large cabin door opening, short realization time and high cabin door movement action synchronism can be realized, and the action requirements under different complex working conditions can be met; the structure is simple, and the operation is convenient; two sets of power mechanisms with completely consistent structures are designed, and the application is placed by fully utilizing the existing relatively narrow space; the locking and unlocking are reliable and quick.
Description
Technical Field
The application relates to a cabin door driving system, and belongs to the technical field of electromechanical integrated design.
Background
To achieve opening and closing of the hatch, in general, the hatch drive system consists of: the device comprises a power source, a cabin door mechanism, a synchronous mechanism, a spoiler mechanism, an upper lock, a lower lock and the like. The functions of the parts are as follows: the power source is used for driving the cabin door mechanism, the synchronous mechanism and the like to provide power required by movement; the driving mechanism is used for realizing the opening and closing actions of the cabin door; the synchronous mechanism is used for ensuring the synchronism of the cabin door movement; the spoiler mechanism has the function of ensuring that the spoiler moves along with the cabin door in the action process of the cabin door; the upper lock and the lower lock ensure that the cabin door can be respectively fixed at the closed position and the open position.
The driving modes of the cabin door driving mechanism at home and abroad mainly comprise: rocker arm drive and spindle drive. The rocker arm driving type adopts hydraulic pressure as a power source. According to the connection mode of the hydraulic action cylinder and the cabin door, the rocker arm type can be divided into a direct driving type and a firm driving type. The rocker arm direct drive type is that a piston rod of a hydraulic action cylinder is directly hinged with a cabin door, and a connecting rod mechanism is not required to be adopted for movement and power conversion; the rocker arm indirect driving type hydraulic actuator cylinder is characterized in that the movement and power of the hydraulic actuator cylinder are converted through a connecting rod mechanism and then act on the cabin door. The rotary shaft driving type adopts a hydraulic motor as a power source. The spindle driving type may be classified into a direct driving type and an indirect driving type according to a connection manner of the hydraulic motor and the door. The direct driving of the rotating shaft is that the output shaft of the hydraulic motor is directly connected with the rotating shaft of the cabin door through a coupling, and a connecting rod mechanism is not needed for driving and power conversion; the indirect driving of the rotating shaft is that the movement and power of the hydraulic motor are converted through a connecting rod mechanism, and then the cabin door is driven to move through the connecting rod mechanism.
The mode has a complex structure, and is difficult to realize the performance requirements of short time and high synchronism.
In the prior art, as a comparison document of an aircraft cabin door opening device disclosed in China patent application number 2018108474127, the aircraft cabin door opening device is composed of four electric push rods with identical structures, and the aircraft cabin door opening device is composed of two sets of driving mechanisms, cabin door locks, guide rods, cabin door locking devices and the like, unlike the aircraft cabin door opening device; secondly, the power sources in the comparison document are driven by four electric push rods, the four electric push rods are respectively provided with respective power sources (motors), the power sources of the two doors are independent, the two doors are driven by two sets of identical mechanisms, the two doors are driven to realize opening and closing actions, only the two power sources (motors) are shared, the comparison document can only realize the actions of the doors in an electric control mode, the synchronism of the two doors is ensured without a mechanical structure, the synchronism of the two doors is ensured through a mechanical structure, and the synchronism of the two doors is different; finally, the comparison document is four electric push rod driving cabin doors with the same structure, the electric push rod is a traditional electric push rod, the cabin doors are driven to be opened and closed by two sets of mechanisms with the same structure, the driving mechanism drives the reduction gearbox by the motor, the reduction gearbox distributes power to the two ball screws, the two cabin doors are driven by the two ball screws to rotate around the rotating shafts respectively, and the power distributed to the left ball screw and the right ball screw from the reduction gearbox is completely equal, namely, the driving modes of the two cabin doors are different.
Disclosure of Invention
In order to solve the technical problems, the application provides a cabin door driving system, which can realize large cabin door opening requirement, short realization time and high cabin door movement action synchronism based on the arrangement of the split cabin door through the structures of a guide mechanism, a support mechanism and a power mechanism.
The application is realized by the following technical scheme.
The application provides a cabin door driving system which comprises a guide mechanism, a supporting mechanism and a power mechanism, wherein the guide mechanism is arranged on the cabin door; the guiding mechanism is used for guiding and limiting the movement of the left cabin door and the right cabin door relative to the cabin body; the power mechanism is arranged in the middle of the inner cavity of the cabin body and controls the opening and closing of the left cabin door and the right cabin door; the supporting mechanism is connected with and fixed to the power mechanism, the left cabin door, the right cabin door and the cabin body; the power mechanism and the cabin body are not fixed with each other.
The left cabin door and the right cabin door are split and have the same shape and specification.
The guide mechanism comprises a guide rod mounting seat, a guide rod and a guide rod supporting seat, wherein the guide rod mounting seat is fixed on the inner side wall of the cabin body, and two ends of the guide rod are respectively and rotatably fixed on the guide rod mounting seat and the supporting mechanism.
The supporting mechanism comprises a guide rod supporting seat, a rotating shaft, a push rod supporting seat and a hinge, wherein the guide rod supporting seat, the rotating shaft, the push rod supporting seat and the hinge are rotatably fixed between the left cabin door and the cabin body, the push rod supporting seat is fixedly arranged on the wall surface of the inner cavity of the cabin body of the left cabin door and the right cabin door, which is close to the inner cavity of the cabin body, the push rod supporting seat is rotatably fixedly arranged on the wall surface of the inner cavity of the cabin body of the left cabin door and the right cabin door, which is not in the same horizontal plane with the push rod supporting seat, and the guide rod supporting seat is rotatably fixedly arranged on the supporting mechanism.
The power mechanism comprises a push rod, a motor and a transmission case, wherein the power output of the motor drives the transmission case to act, the transmission case drives the push rod to stretch out and draw back by the rear end of the push rod, and the front end of the push rod is rotatably fixed on the supporting mechanisms on the left cabin door and the right cabin door.
And the power output of the motor drives the transmission case through the reduction case.
And a motor brake is arranged on the motor.
The cabin door locking device is arranged on the left cabin door and the right cabin door, and the left cabin door and the right cabin door are locked through the cabin door locking device.
The application has the beneficial effects that: through the structures of the guide mechanism, the supporting mechanism and the power mechanism, based on the arrangement of the split type cabin door, the requirements of large cabin door opening, short realization time and high cabin door movement action synchronism can be realized, and the action requirements under different complex working conditions can be met; the structure is simple, and the operation is convenient; two sets of power mechanisms with completely consistent structures are designed, and the application is placed by fully utilizing the existing relatively narrow space; the locking and unlocking are reliable and quick.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
fig. 2 is a schematic view of the left and right doors of fig. 1 opened.
In the figure: 1-cabin body, 2-guide rod mounting seat, 3-guide rod, 4-guide rod supporting seat, 5-rotating shaft, 6-left cabin door, 7-cabin door locking device, 8-right cabin door, 9-push rod supporting seat, 10-hinge, 11-push rod, 12-motor brake, 13-motor, 14-reduction gearbox and 15-transmission gearbox.
Detailed Description
The technical solution of the present application is further described below, but the scope of the claimed application is not limited to the above.
A cabin door driving system as shown in fig. 1 and 2 comprises a guiding mechanism, a supporting mechanism and a power mechanism; the guiding mechanism guides and limits the movement of the left cabin door 6 and the right cabin door 8 relative to the cabin body 1; the power mechanism is arranged in the middle of the inner cavity of the cabin body 1 and controls the opening and closing of the left cabin door 6 and the right cabin door 8; the supporting mechanism is connected with and fixed to the power mechanism, the left cabin door 6, the right cabin door 8 and the cabin body 1; the power mechanism and the cabin body 1 are not fixed with each other.
The left cabin door 6 and the right cabin door 8 are split and have the same shape and specification.
The guide mechanism comprises a guide rod mounting seat 2, a guide rod 3 and a guide rod supporting seat 4, wherein the guide rod mounting seat 2 is fixed on the inner side wall of the cabin body 1, and two ends of the guide rod 3 are respectively and rotatably fixed on the guide rod mounting seat 2 and the supporting mechanism.
The supporting mechanism comprises a guide rod supporting seat 4, a rotating shaft 5, a push rod supporting seat 9 and a hinge 10, wherein the guide rod supporting seat 4, the rotating shaft 5 and the hinge 10 are rotatably fixed between the left cabin door 6 and the cabin body 1, the hinge 10 is rotatably fixed between the right cabin door 8 and the cabin body 1, the push rod supporting seat 9 is fixed on the wall surface of the inner cavity of the cabin body 1 of the left cabin door 6 and the right cabin door 8, the push rod supporting seat 9 is rotatably fixed on the power mechanism, the guide rod supporting seat 4 is fixed on the wall surface of the inner cavity of the cabin body 1 of the left cabin door 6 and the right cabin door 8 and is positioned on a non-same horizontal plane with the push rod supporting seat 9, and the guide rod supporting seat 4 is rotatably fixed on the supporting mechanism.
The power mechanism comprises a push rod 11, a motor 13 and a transmission case 15, wherein the power output of the motor 13 drives the transmission case 15 to act, the transmission case 15 drives the push rod 11 to stretch and retract by the rear end of the push rod 11, and the front end of the push rod 11 is rotatably fixed on the supporting mechanisms on the left cabin door 6 and the right cabin door 8.
The power output of the motor 13 drives a transmission case 15 through a reduction case 14.
The motor 13 is provided with a motor brake 12.
The device also comprises a cabin door locking device 7, wherein the cabin door locking device 7 is arranged on the left cabin door 6 and the right cabin door 8, and the left cabin door 6 and the right cabin door 8 are locked by the cabin door locking device 7.
Therefore, the application mainly comprises a guide rod mounting seat 2, a guide rod 3, a guide rod supporting seat 4, a rotating shaft 5, a cabin door locking device 7, a push rod supporting seat 9, a hinge 10, a push rod 11, a motor brake 12, a motor 13, a reduction gearbox 14, a transmission gearbox 15 and the like. The hinge 10 connects the door and the body via the shaft 5 and ensures that the door can rotate around the body. The transmission case 15 is fixed on the inner wall of the cabin. The motor brake 12, the motor 13 and the reduction gearbox 14 are fixedly arranged on the transmission box 15. The two push rods 11 are connected with two ends of the transmission case 15, and the push rods 11 can rotate around the two ends of the transmission case 15, and the rotation axis is perpendicular to the view plane. The other ends of the two push rods 11 are connected with the two cabin doors through the push rod supporting seats 9. The guide rod 3 is connected with the cabin door and the cabin body through the guide rod mounting seat 2 and the guide rod supporting seat 4.
The cabin doors are split cabin doors, and the opening angles (90-110 degrees) of the two cabin doors are the same. The space size in the cabin is small, less than 1000mm×1000mm. The space available for installing the cabin door driving system in the cabin is limited, and the cabin door driving system is mainly positioned near the two side walls and the front and rear ends of the cabin door in the axial direction (the size is about 100 mm-120 mm). The motor drives the reduction gearbox, the power of the reduction gearbox is transmitted to the transmission gearbox, the transmission gearbox realizes that equal amounts of power are distributed to the two push rods, and finally the push rods push the cabin door to rotate around the rotating shaft, so that the opening and closing actions of the cabin door are realized. The synchronism of the actions of the two cabin doors is ensured structurally. The motor brake can keep the posture of the cabin door when the motor stops working.
The axial dimension of the cabin door is about 3500 mm-3900 mm. The cabin door power mechanism can only be installed at the front end and the rear end in the axial direction. Therefore, two sets of completely identical mechanisms are respectively arranged at the front end and the rear end of the axial direction of the cabin door. The cabin door power mechanism includes: motor, motor brake, reducing gear box, transmission case, push rod.
The spring guide rods are designed while the space in the cabin is ensured, and two spring guide rods are arranged on the cabin door on one side. The spring guide rod has the functions of: (1) the stability of the action of the cabin door can be ensured in the opening and closing processes of the cabin door. (2) Providing auxiliary force for opening and closing the cabin door.
When the cabin door is in a locking state, the cabin door locking device is designed. The cabin door locking device has the function of locking two cabin doors in a closed state, and protecting the structure of the cabin door driving system. The locking device is divided into a lock hook and a lock pin, and the lock hook and the lock pin are respectively arranged on the two cabin doors. The locking hook is driven by a motor to rotate around the shaft, so that locking and locking pin releasing actions are realized.
The power is driven by the motor to drive the reduction gearbox, the power of the reduction gearbox is transmitted to the transmission gearbox, the transmission gearbox realizes that equal amounts of power are distributed to the two push rods, and finally the push rods push the cabin door to rotate around the rotating shaft, so that the opening and closing actions of the cabin door are realized. The spring guide rod extends and contracts with the rotation of the cabin door.
Cabin door power unit installs both ends around axial, and power unit includes: motor brake, motor, reducing gear box, transmission case, push rod. The spring guide rods are designed while the space in the cabin is ensured, and two spring guide rods are arranged on the cabin door on one side. The cabin door locking devices are also distributed at the front end and the rear end of the cabin door in the axial direction.
The door locking device is generally divided into two parts: a latch hook and a latch pin. Respectively mounted on the two cabin doors. The locking lock pin and the unlocking lock pin are realized by driving the lock hook to rotate around the shaft through the motor. Finally, the locking and unlocking of the two cabin doors are realized.
The working principle of the application is as follows: because the cabin door has larger axial dimension, two sets of power mechanisms with completely consistent structures are designed under the condition of utilizing the limited space layout characteristic in the cabin. The power mechanism is composed of: the device comprises a motor, a motor brake, a reduction gearbox, a transmission box and a push rod. The motor drives the reduction gearbox, the power of the reduction gearbox is transmitted to the transmission gearbox, the transmission gearbox realizes that equal amounts of power are distributed to the two push rods, and finally the push rods push the cabin door to rotate around the rotating shaft, so that the opening and closing actions of the cabin door are realized. When facing complicated operating mode, this set of mechanism can effectively realize the synchronism that both sides hatch door opened. Meanwhile, the requirements of the opening angle and time of the cabin door can be met.
The cabin door and the cabin body are connected in a hinge mode, so that the space in the cabin can be effectively saved. Simultaneously, the synchronicity of opening and closing actions of the large-size cabin door is ensured, and a spring guide rod is added for ensuring the stability of the opening and closing process of the cabin door. The auxiliary force can be provided while the stability is ensured, namely, the tensile force is provided at the opening end section and the closing initial section of the cabin door.
The cabin door locking device is designed to lock the two cabin doors when the cabin doors are in a closed state. The cabin door power mechanism is protected. The cabin door locking device is divided into two parts: a latch hook and a latch pin. Respectively mounted on the two cabin doors. The locking lock pin and the unlocking lock pin are realized by driving the lock hook to rotate around the shaft through the motor. Finally, the locking and unlocking of the two cabin doors are realized.
Claims (5)
1. The utility model provides a hatch door actuating system, includes guiding mechanism, supporting mechanism, power unit, its characterized in that: the guiding mechanism guides and limits the movement of the left cabin door (6) and the right cabin door (8) relative to the cabin body (1); the power mechanism is arranged in the middle of the inner cavity of the cabin body (1) and controls the opening and closing of the left cabin door (6) and the right cabin door (8); the supporting mechanism is connected with and fixed to the power mechanism, the left cabin door (6), the right cabin door (8) and the cabin body (1); the power mechanism and the cabin body (1) are not fixed with each other;
the guide mechanism comprises a guide rod mounting seat (2), a guide rod (3) and a guide rod supporting seat (4), wherein the guide rod mounting seat (2) is fixed on the inner side wall of the cabin body (1), and two ends of the guide rod (3) are respectively and rotatably fixed on the guide rod mounting seat (2) and the guide rod supporting seat (4);
the supporting mechanism comprises a guide rod supporting seat (4), a rotating shaft (5), a push rod supporting seat (9) and a hinge (10), wherein the guide rod supporting seat (4) and the cabin body (1) are rotatably fixed through the rotating shaft (5), the right cabin door (8) and the cabin body (1) are rotatably fixed through the hinge (10), the push rod supporting seat (9) is fixed on the wall surface of the inner cavity of the left cabin door (6) and the right cabin door (8) close to the cabin body (1), the push rod supporting seat (9) is rotatably fixed on the power mechanism, and the guide rod supporting seat (4) is fixed on the wall surface of the inner cavity of the left cabin door (6) and the right cabin door (8) close to the cabin body (1) and is positioned on a non-same horizontal plane with the push rod supporting seat (9);
the power mechanism comprises a push rod (11), a motor (13) and a transmission case (15), wherein the power output of the motor (13) drives the transmission case (15) to act, the transmission case (15) drives the push rod (11) to stretch out and draw back by the rear end of the push rod (11), and the front end of the push rod (11) is rotatably fixed on the supporting mechanism on the left cabin door (6) and the right cabin door (8).
2. The door drive system according to claim 1, wherein: the left cabin door (6) and the right cabin door (8) are split and have the same shape and specification.
3. The door drive system according to claim 1, wherein: the power output of the motor (13) drives the transmission case (15) through the reduction case (14).
4. The door drive system according to claim 1, wherein: the motor (13) is provided with a motor brake (12).
5. The door drive system according to claim 1, wherein: the novel cabin door locking device is characterized by further comprising a cabin door locking device (7), wherein the cabin door locking device (7) is arranged on the left cabin door (6) and the right cabin door (8), and the left cabin door (6) and the right cabin door (8) are locked through the cabin door locking device (7).
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CN201910122325.XA CN109779437B (en) | 2019-02-19 | 2019-02-19 | Cabin door driving system |
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CN201910122325.XA CN109779437B (en) | 2019-02-19 | 2019-02-19 | Cabin door driving system |
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CN109779437A CN109779437A (en) | 2019-05-21 |
CN109779437B true CN109779437B (en) | 2023-10-27 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112618332A (en) * | 2020-12-08 | 2021-04-09 | 奥佳华智能健康科技集团股份有限公司 | Sauna cabin with automatic door opening function |
CN115419349B (en) * | 2022-07-18 | 2024-02-23 | 北京空间飞行器总体设计部 | Space bidirectional pressure-bearing cabin door |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2047330A (en) * | 1979-04-10 | 1980-11-26 | Messerschmitt Boelkow Blohm | Closable flap arrangement for an aircraft or a spacecraft |
FR2673972A1 (en) * | 1991-03-12 | 1992-09-18 | Aerospatiale | Access door, especially for the nacelle of an aircraft engine, equipped with an articulated panel with synchronised pivoting |
CN102296901A (en) * | 2011-08-22 | 2011-12-28 | 南京航空航天大学 | Device capable of automatically opening and closing cabin door in compact cabin body |
CN106593172A (en) * | 2015-10-14 | 2017-04-26 | 陕西飞机工业(集团)有限公司 | Multi-angle control hatch door of airplane |
CN108945387A (en) * | 2018-07-27 | 2018-12-07 | 贵州航天天马机电科技有限公司 | A kind of aircraft door opening device |
-
2019
- 2019-02-19 CN CN201910122325.XA patent/CN109779437B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2047330A (en) * | 1979-04-10 | 1980-11-26 | Messerschmitt Boelkow Blohm | Closable flap arrangement for an aircraft or a spacecraft |
FR2673972A1 (en) * | 1991-03-12 | 1992-09-18 | Aerospatiale | Access door, especially for the nacelle of an aircraft engine, equipped with an articulated panel with synchronised pivoting |
CN102296901A (en) * | 2011-08-22 | 2011-12-28 | 南京航空航天大学 | Device capable of automatically opening and closing cabin door in compact cabin body |
CN106593172A (en) * | 2015-10-14 | 2017-04-26 | 陕西飞机工业(集团)有限公司 | Multi-angle control hatch door of airplane |
CN108945387A (en) * | 2018-07-27 | 2018-12-07 | 贵州航天天马机电科技有限公司 | A kind of aircraft door opening device |
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