CN115095240B - Two-channel manual emergency cabin opening mechanism - Google Patents
Two-channel manual emergency cabin opening mechanism Download PDFInfo
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- CN115095240B CN115095240B CN202210579709.6A CN202210579709A CN115095240B CN 115095240 B CN115095240 B CN 115095240B CN 202210579709 A CN202210579709 A CN 202210579709A CN 115095240 B CN115095240 B CN 115095240B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000005452 bending Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/04—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables
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Abstract
The invention provides a double-channel manual emergency cabin opening mechanism, which comprises: the electric tool shaft assembly (1), a shell (7), a planetary gear reducer (9), a bevel gear shaft (11), a second backstop (14), a volute spring (17), a shaft (20), a one-way bearing (21), a winding drum (22), a steel wire rope (26) and a pull ring (31); the electric tool shaft (1 a) is connected with the output external gear (1 g) through a first backstop, and the output external gear (1 g) is driven to rotate when the electric tool shaft (1 a) rotates; an output external gear (1 g) is used as a sun gear of a planetary gear reducer (9) to be meshed with the planetary gear; the planet wheel is meshed with the inner gear; the bevel gear of the outer ring of the internal gear is meshed with a bevel gear shaft (11); the bevel gear shaft (11) is connected with the hatch cover lifting power device through a flexible shaft. The operation is convenient, reliable and quick.
Description
Technical Field
The invention belongs to the field of opening of a cabin cover of an aircraft lifesaving system, and relates to a double-channel manual emergency cabin opening mechanism.
Background
The traditional aircraft cockpit lid operating device mainly comprises a cockpit lid unlocking/locking power device and a cockpit lid lifting power device. Generally, the device acts in a straight line, and the axial movement of the output shaft is realized by using a trapezoidal screw pair transmission structure, so that the canopy is unlocked and then opened or closed and then locked.
The manual cabin opening mechanism has the function that ground staff can rescue a pilot by manually opening a cabin cover when the electric cabin opening mechanism fails on the ground. The traditional manual cabin opening mechanism occupies large space and has long operation time.
Disclosure of Invention
The invention provides a double-channel manual emergency cabin opening mechanism which is small in size and light in weight.
The invention provides a double-channel manual emergency cabin opening mechanism, which comprises: the electric tool shaft assembly 1, the shell 7, the planetary gear reducer 9, the bevel gear shaft 11, the second backstop 14, the volute spring 17, the shaft 20, the one-way bearing 21, the winding drum 22, the steel wire rope 26 and the pull ring 31; the power tool shaft assembly 1 includes: an electric tool shaft 1a, a first backstop and an output external gear 1g; the planetary gear reducer 9 includes: an inner gear and actuator assembly; the actuator assembly includes: an output shaft of the actuator and a planet wheel; the external shape of the internal gear is a bevel gear; wherein,,
the electric tool shaft 1a is connected with an output external gear 1g through a first backstop, and the output external gear 1g is driven to rotate when the electric tool shaft 1a rotates;
the output external gear 1g is meshed with a planetary gear as a sun gear of the planetary gear reducer 9; the planet gears are also meshed with the internal gear; the bevel gear of the outer ring of the internal gear is meshed with a bevel gear shaft 11; the bevel gear shaft 11 is connected with the hatch cover lifting power device through a flexible shaft;
one end of the steel wire rope 26 is connected with a pull ring 31, the other end of the steel wire rope is clamped on a winding drum 22, and the winding drum 22 is supported on a shaft 20 through a one-way bearing 21; the elbow part of the inner ring of the volute spring 17 is clamped on the winding drum 22, and the bending part of the outer ring is clamped on the shell 7; the shaft 20 is connected with the output shaft of the actuator through the second backstop 14, and the output shaft of the actuator is driven to rotate when the shaft 20 rotates;
when the pull ring 31 is pulled manually, the wire rope 26 drives the winding drum 22 to rotate, so that the driving shaft 20 is driven to rotate, and the volute spring 17 stores the force; when the pilot releases the pull ring 31, the volute spring 17 drives the winding drum 22 to rotate, so that the steel wire rope 26 is reset.
Optionally, when the electric tool is used for driving the electric tool shaft 1a to rotate clockwise, the torque is transmitted to the output external gear 1g to drive the planetary gear reducer 9 to rotate, the torque cannot reversely drive the shaft 20 to rotate under the action of the second backstop 14, a bevel gear on the planetary gear reducer 9 meshes with the bevel gear shaft 11 to output the torque, the torque is transmitted to the hatch lifting power device through a flexible shaft, and the hatch is opened;
when the electric tool is used for driving the electric tool shaft 1a to rotate anticlockwise, torque is transmitted to the output external gear 1g to drive the planetary gear reducer 9 to rotate, the torque cannot reversely drive the movable shaft 20 to rotate under the action of the second backstop 14, a bevel gear on the planetary gear reducer 9 is meshed with the bevel gear shaft 11 to output torque, the torque is transmitted to the hatch cover lifting power device through the flexible shaft, and the hatch cover is closed.
Optionally, when the pilot pulls the pull ring 31 in the cabin, the steel wire rope 26 drives the winding drum 22 to rotate, and then drives the planetary gear reducer 9 to rotate, and the electric tool shaft assembly 1 cannot be reversely driven to rotate due to the effect of the backstop on the electric tool shaft assembly 1, and a bevel gear on the planetary gear reducer 9 meshes with the bevel gear shaft 11 to output torque, so that the torque is transmitted to the cabin cover lifting power device through the flexible shaft;
when the pilot releases the pull ring 31, the spiral spring 17 drives the winding drum 22 to rotate reversely, so that the steel wire rope 26 is reset, and the spiral spring 17 does not drive the shaft 20 to rotate reversely due to the action of the one-way bearing 21; by repeating the hand pulling of the pull ring 31 until the hatch is fully opened.
Optionally, the first backstop includes: the device comprises a first stop block 1b, a first cylindrical pin 1c, a rectangular spring 1d, a second stop block 1e and a second cylindrical pin 1f;
the first stop block 1b is of a hollow step shaft structure with a central round hole, the first step is a large-end cylinder, a cylinder pin hole penetrating through cylinder walls at two sides is formed in the large-end cylinder, and the first cylindrical pin 1c penetrates through the cylinder pin hole and is fixedly connected with the electric tool shaft 1 a; the second step is a circular arc cylinder, an inner end rectangular notch is formed in one end, connected with the large end cylinder, of the side wall of one side of the circular arc cylinder, an outer end rectangular notch is formed in one end, far away from the large end cylinder, of the side wall of the other side of the circular arc cylinder, and the inner end rectangular notch and the outer end rectangular notch are symmetrically arranged in the radial direction of 180 degrees; wherein the diameter of the circular arc cylinder is smaller than that of the first step;
the second stop block 1e and the first stop block 1b have the same structural size, and are different in that two rectangular notches are formed in the circular arc cylinder, and the second cylindrical pin 1f passes through the cylindrical pin hole and is fixedly connected with the output external gear 1g;
the first stop block 1b circular arc cylinder and the second stop block 1e circular arc cylinder are in relative snap fit to form small-end cylinders with two ends provided with an opening respectively, one opening is positioned on the inner side of the large-end cylinder of the first stop block 1b, and the other opening is positioned on the inner side of the large-end cylinder of the second stop block 1 e; the rectangular spring 1d is sleeved outside a small-end cylinder formed by the circular arc cylinder of the first stop block 1b and the circular arc cylinder of the second stop block 1e, two ends of the rectangular spring 1d are respectively provided with a boss, the two bosses are embedded into two openings at two ends of the small-end cylinder in a one-to-one correspondence manner, the inner sides of the two bosses are respectively connected with the first stop block 1b, and the outer sides of the two bosses are respectively connected with the second stop block 1 e;
the first stop block 1b is a driving end, the rectangular spring 1d is contracted inwards by power when the first stop block 1b rotates, and then the driven end second stop block 1e is driven to rotate; when the driven end second stop block 1e rotates, the rectangular spring 1d moves outwards and expands tightly by power, and the rectangular spring 1d and an end cover sleeved on the outer side of the rectangular spring 1d generate friction resistance moment, so that the power cannot be transmitted to the driving end, and the non-return function is realized;
when the electric tool shaft 1a is driven to rotate by the electric tool, torque is transmitted to the output external gear 1g.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: handle 24, cover plate 25, cable ball 27, bushing 28, pin 29 and screw 30;
the two ends of the steel wire rope 26 are respectively wrapped and pressed with a rope ball 27, the rope ball 27 at one end of the steel wire rope 26 is clamped on the winding drum 22, the rope ball 27 at the other end of the steel wire rope 26 is clamped on a bushing 28, the bushing 28 is arranged between the handle 24 and the cover plate 25, and the cover plate 25 is fixed on the handle 24 through a screw 30;
the pull ring 31 is fixed on the cover plate 25 through a pin shaft 29.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: the locking wire 2, the screw 3, the cover plate 4 and the end cover 5;
the electric tool shaft assembly 1 is fixed on the cover plate 4 and the end cover 5 through 4 screws 3, and is kept fixed through the locking wires 2, and the locking wires are sheared when in use.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: screw 6, bearing 8, end cap 10, shaft seal 12, bearing 13;
the end cover 5 is connected with the shell 7 through a screw 6;
the end cover 5 is supported in an internal gear of the planetary gear reducer 9 through a bearing 8;
the end cover 10 is fixed on the shell 7 through a screw, and the end part of the end cover is attached to the shaft seal 12 to prevent the shaft seal 12 and the bearing 13 from axially moving;
the shaft seal 12 is a rubber piece, the outer circle is arranged on the shell 7, the inner hole is arranged on the bevel gear shaft 11, one end of the inner hole is attached to the bearing 13, the other end of the inner hole is attached to the end cover 10, and the bearing 13 is sealed;
the bevel gear shaft 11 is supported on the housing 7 by means of bearings 13.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: bushing 15, screw 16, screw 18, end cap 19, shaft 23;
a bushing 15 is sleeved outside the second backstop 14, and the bushing 15 is clamped on the shell 7;
the shaft 20 is supported on the end cover 19 through a bearing, and the winding drum 22 is arranged in the end cover 19; the end cap 19 is connected with the shell 7;
the spiral spring 17 is clamped on the winding drum 22 and the shell 7 through the screw 16 and the screw 18;
the shaft 23 is of a hollow cylindrical structure, the outside of the shaft is tightly pressed on the end cover 19, and the steel wire rope penetrates out of the shaft 23 to play a role in reducing the abrasion of the steel wire rope.
The invention provides a double-channel manual emergency cabin opening mechanism which is used for enabling a pilot to operate a cabin cover lifting power device to open a cabin cover for self-rescue through manual pulling of a steel wire rope for many times in a cabin under an offshore emergency environment, and meanwhile, the double-channel manual emergency cabin opening mechanism is provided with a cabin cover quick-opening rescue function through the operation of an electric tool outside the cabin. The operation is convenient, reliable and quick.
Drawings
FIG. 1 is a schematic view of a canopy operation mechanism provided by the present invention;
FIG. 2 is a schematic structural view of a dual-channel manual emergency cabin opening mechanism provided by the invention;
FIG. 3 is a schematic view of the structure of the scroll spring provided by the present invention;
FIG. 4 is a schematic view of a power tool spindle assembly according to the present invention;
FIG. 5 is a schematic view of a first stop provided by the present invention;
FIG. 6 is a schematic view of a second stop provided by the present invention;
FIG. 7 is a schematic view of the installation of a first stop and a second stop provided by the present invention;
reference numerals illustrate:
the electric mechanism 100 is operated by a canopy, the electric mechanism 200 is operated by a cable, the electric mechanism controller 500 is operated by a transmission flexible shaft, the electric power cable 400 is operated by a power cable, the electric mechanism controller 500 is operated by a double-channel manual emergency opening mechanism 600, the electric tool shaft assembly 1, the locking wire 2, the screw 3, the cover plate 4, the end cover 5, the screw 6, the housing 7, the bearing 8, the planetary gear reducer 9, the end cover 10, the bevel gear shaft 11, the shaft seal 12, the bearing 13, the second backstop 14, the bushing 15, the screw 16, the volute spring 17, the screw 18, the end cover 19, the shaft 20, the one-way bearing 21, the winding drum 22, the shaft 23, the handle 24, the cover plate 25, the wire rope 26, the cable ball 27, the bushing 28, the pin 29, the screw 30, the pull ring 31, the electric tool shaft 1a, the first stopper 1b, the first cylindrical pin 1c, the rectangular spring 1d, the second stopper 1e, the second cylindrical pin 1f, the first backstop and the output gear 1g.
Detailed Description
The two-channel manual emergency cabin opening mechanism provided by the invention is further described in detail below.
Referring to fig. 1, the present invention provides a canopy operation apparatus including: the canopy operated motor 100, cable assembly 200, transmission flexible shaft assembly 300, power cable 400, canopy operated motor controller 500, and dual channel manual emergency hatch mechanism 600.
The electric control mechanism 100 is installed in the cabin, and output spline shafts at two ends of an output shaft of the electric control mechanism are connected with internal splines of a connecting rod of the aircraft cabin cover. The canopy operated motor mechanism 100 is connected to a dual channel manual emergency hatch mechanism 600 via a drive flexible shaft assembly 300.
The canopy operated motor controller 500 is mounted within the cabin with one of the electrical connectors connected to the aircraft host computer via a power cable 400. The other electrical connector is connected to the canopy operated motor mechanism 100 by a cable assembly 200.
The upper computer sends out a command for opening the canopy, the canopy operating electric mechanism controller 500 drives the canopy operating electric mechanism 100 to rotate with small moment to unlock the canopy, meanwhile, an angular displacement sensor in the canopy operating electric mechanism 100 sends out a position signal of the canopy operating electric mechanism 100 at all times, when the canopy operating electric mechanism 100 rotates to 90 degrees, the unlocking task is completed, after the canopy operating electric mechanism controller 500 collects a current unlocking position signal of the canopy, the canopy operating electric mechanism 100 is continuously driven to rotate with large moment to output to open the canopy, when the canopy operating electric mechanism 100 rotates to 184 degrees, the canopy opening task is completed, and after the canopy operating electric mechanism controller 500 collects a current opening position signal of the canopy, the canopy operating electric mechanism 100 is driven to stop working.
The upper computer sends out a canopy closing command, the canopy operating electric mechanism controller 500 drives the canopy operating electric mechanism 100 to rotate with a large moment to output and close the canopy, meanwhile, an angular displacement sensor in the canopy operating electric mechanism 100 sends out a position signal of the canopy operating electric mechanism 100 at all times, when the canopy operating electric mechanism 100 rotates to 90 degrees, a canopy closing task is completed, after the canopy operating electric mechanism controller 500 collects a current canopy closing position signal, the canopy operating electric mechanism 100 is continuously driven to rotate with a small moment to output and lock the canopy, when the canopy operating electric mechanism 100 rotates to 0 degrees, the canopy locking task is completed, and after the canopy operating electric mechanism controller 500 collects the current canopy locking position signal, the canopy operating electric mechanism 100 is driven to stop working.
The cabin cover is manually opened in the cabin: the flight crew pulls the pull ring on the dual-channel manual emergency cabin opening mechanism 600 in the cabin multiple times, and drives the electric mechanism 100 for controlling the cabin cover through the transmission flexible shaft assembly 300 to complete the tasks of unlocking and opening the cabin cover.
The extravehicular tool opens the canopy: the ground crew drives the input shaft of the double-channel manual emergency cabin opening mechanism 600 clockwise outside the cabin through the electric tool, and drives the transmission flexible shaft assembly 300 to drive the electric mechanism 100 for controlling the cabin cover to finish the tasks of unlocking and opening the cabin cover.
The off-board tool closes the canopy: the ground crew drives the input shaft of the double-channel manual emergency cabin opening mechanism 600 outside the cabin through the electric tool anticlockwise, and drives the transmission flexible shaft assembly 300 to drive the electric mechanism 100 to finish the tasks of closing and locking the cabin cover.
As shown in fig. 2-4, the present invention provides a dual-channel manual emergency cabin opening mechanism for a canopy lifting power device, comprising: the electric tool shaft assembly 1, the locking wire 2, the screw 3, the cover plate 4, the end cover 5, the screw 6, the shell 7, the bearing 8, the planetary gear reducer 9, the end cover 10, the bevel gear shaft 11, the shaft seal 12, the bearing 13, the second backstop 14, the bushing 15, the screw 16, the volute spring 17, the screw 18, the end cover 19, the shaft 20, the one-way bearing 21, the winding drum 22, the shaft 23, the handle 24, the cover plate 25, the wire rope 26, the cable ball 27, the bushing 28, the pin 29, the screw 30 and the pull ring 31.
The electric tool shaft assembly 1 is fixed on the cover plate 4 and the end cover 5 through 4 screws 3, and is kept fixed through the locking wires 2, and the locking wires are sheared when in use.
The electric tool shaft assembly 1 is consistent with the second backstop 14 in structure, and comprises an electric tool shaft 1a, a first stop block 1b, a first cylindrical pin 1c, a rectangular spring 1d, a second stop block 1e, a second cylindrical pin 1f and an output external gear 1g.
As shown in fig. 5-7, the first stop block 1b is a hollow step shaft structure with a central round hole, the first step is a large end cylinder, a cylinder pin hole penetrating through the cylinder walls of two sides is formed in the large end cylinder, and the first cylindrical pin 1c penetrates through the cylinder pin hole and is fixedly connected with the electric tool shaft 1 a; the second step is a circular arc cylinder, an inner end rectangular notch is formed in one end, connected with the large end cylinder, of the side wall of one side of the circular arc cylinder, an outer end rectangular notch is formed in one end, far away from the large end cylinder, of the side wall of the other side of the circular arc cylinder, and the inner end rectangular notch and the outer end rectangular notch are symmetrically arranged in the radial direction of 180 degrees; wherein the diameter of the circular arc cylinder is smaller than that of the first step;
the second stop block 1e and the first stop block 1b have the same structural size, and are different in that two rectangular notches are formed in the circular arc cylinder, and the second cylindrical pin 1f passes through the cylindrical pin hole and is fixedly connected with the output external gear 1g;
the first stop block 1b circular arc cylinder and the second stop block 1e circular arc cylinder are in relative snap fit to form small-end cylinders with two ends provided with an opening respectively, one opening is positioned on the inner side of the large-end cylinder of the first stop block 1b, and the other opening is positioned on the inner side of the large-end cylinder of the second stop block 1 e; the rectangular spring 1d is sleeved outside a small end cylinder formed by the circular arc cylinder of the first stop block 1b and the circular arc cylinder of the second stop block 1e, the outer circle of the rectangular spring 1d is tightly matched with the inner hole of the end cover 5, two ends of the rectangular spring 1d are respectively provided with a boss, the two bosses are embedded into two openings at two ends of the small end cylinder in a one-to-one correspondence manner, the inner sides of the two bosses are respectively connected with the first stop block 1b, and the outer sides of the two bosses are respectively connected with the second stop block 1 e;
the first stop block 1b is a driving end, when the first stop block 1b rotates (clockwise and anticlockwise), the rectangular spring 1d is contracted inwards by power to be separated from the end cover 5, and then the driven end second stop block 1e is driven to rotate; when the driven end second stop block 1e rotates (clockwise and anticlockwise), the rectangular spring 1d moves outwards and is expanded on the end cover 5 by power, and friction resistance moment power generated by the rectangular spring 1d and the end cover 5 cannot be transmitted to the driving end, so that a backstop function is realized.
The first stop block 1b is mounted on the electric tool shaft 1a through a first cylindrical pin 1c, and the second stop block 1e is mounted on the output external gear 1g through a second cylindrical pin 1 f.
When the electric tool shaft 1a is driven to rotate by the electric tool, torque is transmitted to the output external gear 1g.
The elbow part of the inner ring of the spiral spring 17 is clamped on the winding drum 22, and the bending part of the outer ring is clamped on the shell 7.
The spool 22 is supported on the shaft 20 by a one-way bearing 21.
The two ends of the steel wire rope 26 are respectively wrapped and pressed with a rope ball 27, the rope ball 27 at one end of the steel wire rope 26 is clamped on the winding drum 22, the rope ball 27 at the other end of the steel wire rope 26 is clamped on a bushing 28, the bushing 28 is arranged between the handle 24 and the cover plate 25, and the cover plate 25 is fixed on the handle 24 through a screw 30.
The pull ring 31 is fixed on the cover plate 25 through a pin shaft 29.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: screw 6, bearing 8, end cap 10, shaft seal 12, bearing 13;
the end cover 5 is connected with the shell 7 through a screw 6;
the end cover 5 is supported in an internal gear of the planetary gear reducer 9 through a bearing 8;
the end cover 10 is fixed on the shell 7 through a screw, and the end part of the end cover is attached to the shaft seal 12 to prevent the shaft seal 12 and the bearing 13 from axially moving;
the shaft seal 12 is a rubber piece, the outer circle is arranged on the shell 7, the inner hole is arranged on the bevel gear shaft 11, one end of the inner hole is attached to the bearing 13, the other end of the inner hole is attached to the end cover 10, and the bearing 13 is sealed;
the bevel gear shaft 11 is supported on the housing 7 by means of bearings 13.
Optionally, the dual-channel manual emergency cabin opening mechanism further includes: bushing 15, screw 16, screw 18, end cap 19, shaft 23;
a bushing 15 is sleeved outside the second backstop 14, and the bushing 15 is clamped on the shell 7;
the shaft 20 is supported on the end cover 19 through a bearing, and the winding drum 22 is arranged in the end cover 19; the end cap 19 is connected with the shell 7;
the spiral spring 17 is clamped on the winding drum 22 and the shell 7 through the screw 16 and the screw 18;
the shaft 23 is of a hollow cylindrical structure, the outside of the shaft is tightly pressed on the end cover 19, and the steel wire rope penetrates out of the shaft 23 to play a role in reducing the abrasion of the steel wire rope.
The pilot pulls the pull ring 31 by hand in the engine room, the steel wire rope 26 drives the winding drum 22 to rotate, the unidirectional bearing 21 brakes in the direction to drive the planetary gear reducer 9 to rotate, and due to the effect of the backstop on the electric tool shaft assembly 1, the electric tool shaft cannot be reversely driven to rotate, and a bevel gear on the planetary gear reducer 9 meshes with the bevel gear shaft 11 to output torque. The moment is transmitted to the hatch cover lifting power device through the flexible shaft, and the hatch cover is opened. When the pilot releases the pull ring 31, the volute spring 17 drives the winding drum 22 to rotate, so that the steel wire rope 26 is reset. The operation is repeated until the hatch is fully opened.
The ground crew uses the electric tool to drive the electric tool shaft 1a to rotate clockwise, the torque is transmitted to the output external gear 1g to drive the planetary gear reducer 9 to rotate, the torque can not reversely drive the shaft 20 to rotate under the action of the second backstop 14, and the bevel gear on the planetary gear reducer 9 is meshed with the bevel gear shaft 11 to output the torque.
The moment is transmitted to the hatch cover lifting power device through the flexible shaft, and the hatch cover is opened.
The ground crew drives the electric tool shaft 1a to rotate anticlockwise by using the electric tool, torque is transmitted to the output external gear 1g to drive the planetary gear reducer 9 to rotate, the torque can not reversely drive the shaft 20 to rotate under the action of the second backstop 14, and a bevel gear on the planetary gear reducer 9 is meshed with the bevel gear shaft 11 to output torque.
The moment is transmitted to the hatch cover lifting power device through the flexible shaft, and the hatch cover is closed.
Claims (7)
1. Two-channel manual emergency cabin opening mechanism, characterized by comprising: the electric tool shaft assembly (1), a shell (7), a planetary gear reducer (9), a bevel gear shaft (11), a second backstop (14), a volute spring (17), a shaft (20), a one-way bearing (21), a winding drum (22), a steel wire rope (26) and a pull ring (31); the power tool shaft assembly (1) includes: an electric tool shaft (1 a), a first backstop and an output external gear (1 g); the planetary gear reducer (9) includes: an inner gear and actuator assembly; the actuator assembly includes: an output shaft of the actuator and a planet wheel; the external shape of the internal gear is a bevel gear; wherein,,
the electric tool shaft (1 a) is connected with an output external gear (1 g) through a first backstop, and the output external gear (1 g) is driven to rotate when the electric tool shaft (1 a) rotates;
the output external gear (1 g) is meshed with a planet gear as a sun gear of the planetary gear reducer (9); the planet gears are also meshed with the internal gear; the bevel gear of the outer ring of the internal gear is meshed with a bevel gear shaft (11); the bevel gear shaft (11) is connected with the hatch cover lifting power device through a flexible shaft;
one end of the steel wire rope (26) is connected with the pull ring (31), the other end of the steel wire rope is clamped on the winding drum (22), and the winding drum (22) is supported on the shaft (20) through the one-way bearing (21); the elbow part of the inner ring of the volute spring (17) is clamped on the winding drum (22), and the bending part of the outer ring is clamped on the shell (7); the shaft (20) is connected with the output shaft of the actuator through the second backstop (14), and the output shaft of the actuator is driven to rotate when the shaft (20) rotates;
when the pull ring (31) is pulled manually, the winding drum (22) is driven to rotate through the steel wire rope (26) so as to drive the shaft (20) to rotate, and the volute spring (17) stores force; when the pilot releases the pull ring (31), the volute spring (17) drives the winding drum (22) to rotate, so that the steel wire rope (26) is reset;
the first backstop includes: the device comprises a first stop block (1 b), a first cylindrical pin (1 c), a rectangular spring (1 d), a second stop block (1 e) and a second cylindrical pin (1 f);
the first stop block (1 b) is of a hollow step shaft structure with a central round hole, the first step is a big end cylinder, a cylinder pin hole penetrating through cylinder walls at two sides is formed in the big end cylinder, and a first cylindrical pin (1 c) penetrates through the cylinder pin hole and is fixedly connected with the electric tool shaft (1 a); the second step is a circular arc cylinder, an inner end rectangular notch is formed in one end, connected with the large end cylinder, of the side wall of one side of the circular arc cylinder, an outer end rectangular notch is formed in one end, far away from the large end cylinder, of the side wall of the other side of the circular arc cylinder, and the inner end rectangular notch and the outer end rectangular notch are symmetrically arranged in the radial direction of 180 degrees; wherein the diameter of the circular arc cylinder is smaller than that of the first step;
the second stop block (1 e) and the first stop block (1 b) have the same structural size, and are different in that two rectangular notches are formed in the circular arc cylinder body, and the second cylindrical pin (1 f) penetrates through the cylindrical pin hole and is fixedly connected with the output external gear (1 g);
the circular arc cylinder of the first stop block (1 b) and the circular arc cylinder of the second stop block (1 e) are in relative snap fit to form small-end cylinders with two ends provided with an opening respectively, one opening is positioned on the inner side of the large-end cylinder of the first stop block (1 b), and the other opening is positioned on the inner side of the large-end cylinder of the second stop block (1 e); the rectangular spring (1 d) is sleeved outside a small end cylinder formed by the arc cylinder of the first stop block (1 b) and the arc cylinder of the second stop block (1 e), two ends of the rectangular spring (1 d) are respectively provided with a boss, the two bosses are embedded into two openings at two ends of the small end cylinder in a one-to-one correspondence manner, the inner sides of the two bosses are respectively connected with the first stop block (1 b), and the outer sides of the two bosses are respectively connected with the second stop block (1 e);
the first stop block (1 b) is a driving end, and when the first stop block (1 b) rotates, the power makes the rectangular spring (1 d) shrink inwards and then drives the driven end second stop block (1 e) to rotate; when the driven end second stop block (1 e) rotates, the rectangular spring (1 d) moves outwards and expands tightly by power, and the rectangular spring (1 d) and an end cover sleeved on the outer side of the rectangular spring (1 d) generate friction resistance moment, so that the power cannot be transmitted to the driving end, and a non-return function is realized;
when the electric tool shaft (1 a) is driven to rotate by an electric tool, torque is transmitted to the output external gear (1 g);
the electric tool shaft assembly (1) is consistent with the second backstop (14) in structure, and comprises an electric tool shaft (1 a), a first stop block (1 b), a first cylindrical pin (1 c), a rectangular spring (1 d), a second stop block (1 e), a second cylindrical pin (1 f) and an output external gear (1 g).
2. A mechanism according to claim 1, wherein when the electric tool is used for driving the electric tool shaft (1 a) to rotate clockwise, torque is transmitted to the output external gear (1 g) to drive the planetary gear reducer (9) to rotate, the torque can not reversely drive the shaft (20) to rotate under the action of the second backstop (14), a bevel gear on the planetary gear reducer (9) is meshed with the bevel gear shaft (11) to output torque, the torque is transmitted to the hatch lifting power device through the flexible shaft, and the hatch is opened;
when the electric tool is used for driving the electric tool shaft (1 a) to rotate anticlockwise, torque is transmitted to the output external gear (1 g) to drive the planetary gear reducer (9) to rotate, the torque cannot reversely drive the driving shaft (20) to rotate under the action of the second backstop (14), a bevel gear on the planetary gear reducer (9) is meshed with the bevel gear shaft (11) to output torque, the torque is transmitted to the hatch lifting power device through the flexible shaft, and the hatch is closed.
3. The mechanism according to claim 1, wherein when a pilot pulls a pull ring (31) by hand in the cabin, the wire rope (26) drives the winding drum (22) to rotate and further drives the planetary gear reducer (9) to rotate, and the electric tool shaft assembly (1) cannot be reversely driven to rotate due to the action of the backstop on the electric tool shaft assembly (1), a bevel gear on the planetary gear reducer (9) meshes with the bevel gear shaft (11) to output torque, and the torque is transmitted to the cabin cover lifting power device through the flexible shaft;
when the pilot releases the pull ring (31), the spiral spring (17) drives the winding drum (22) to rotate reversely, so that the steel wire rope (26) is reset, and the spiral spring (17) cannot drive the movable shaft (20) to rotate reversely due to the action of the one-way bearing (21); by repeating the hand pulling of the pull ring (31) until the hatch is fully opened.
4. The mechanism as recited in claim 1, further comprising: the handle (24), the cover plate (25), the cable ball (27), the bushing (28), the pin shaft (29) and the screw (30);
the two ends of the steel wire rope (26) are respectively wrapped and pressed with a rope ball (27), the rope ball (27) at one end of the steel wire rope (26) is clamped on the winding drum (22), the rope ball (27) at the other end of the steel wire rope (26) is clamped on the bushing (28), the bushing (28) is arranged between the handle (24) and the cover plate (25), and the cover plate (25) is fixed on the handle (24) through the screw (30);
the pull ring (31) is fixed on the cover plate (25) through a pin shaft (29).
5. The mechanism as recited in claim 1, further comprising: the locking device comprises a locking wire (2), a screw (3), a cover plate (4) and an end cover (5);
the electric tool shaft assembly (1) is fixed on the cover plate (4) and the end cover (5) through 4 screws (3), and is kept fixed through the locking wires (2), and the locking wires are cut off when the electric tool shaft assembly is used.
6. The mechanism as recited in claim 1, further comprising: screw (6), bearing (8), end cover (10), shaft seal (12), bearing (13);
the end cover (5) is connected with the shell (7) through a screw (6);
the end cover (5) is supported in an internal gear of the planetary gear reducer (9) through a bearing (8);
the end cover (10) is fixed on the shell (7) through a screw, the end part of the end cover is attached to the shaft seal (12), and the axial movement of the bearing (13) and the shaft seal (12) is prevented;
the shaft seal (12) is a rubber piece, the outer circle is arranged on the shell (7), the inner hole is arranged on the bevel gear shaft (11), one end of the inner hole is attached to the bearing (13), the other end of the inner hole is attached to the end cover (10), and the bearing (13) is sealed;
the bevel gear shaft (11) is supported on the housing (7) by means of a bearing (13).
7. The mechanism as recited in claim 1, further comprising: a bushing (15), a screw (16), a screw (18), an end cover (19) and a shaft (23);
a lining (15) is sleeved outside the second backstop (14), and the lining (15) is clamped on the shell (7);
the shaft (20) is supported on an end cover (19) through a bearing, and the winding drum (22) is arranged in the end cover (19); the end cover (19) is connected with the shell (7);
the spiral spring (17) is clamped on the winding drum (22) and the shell (7) through the screw (16) and the screw (18);
the shaft (23) is of a hollow cylindrical structure, the outside of the shaft is tightly pressed on the end cover (19), and the steel wire rope penetrates out of the shaft (23) to play a role in reducing friction of the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210579709.6A CN115095240B (en) | 2022-05-25 | 2022-05-25 | Two-channel manual emergency cabin opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210579709.6A CN115095240B (en) | 2022-05-25 | 2022-05-25 | Two-channel manual emergency cabin opening mechanism |
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| CN115095240A CN115095240A (en) | 2022-09-23 |
| CN115095240B true CN115095240B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210579709.6A Active CN115095240B (en) | 2022-05-25 | 2022-05-25 | Two-channel manual emergency cabin opening mechanism |
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| GB2003972A (en) * | 1977-09-12 | 1979-03-21 | Mac Gregor International Sa | Door or hatch operation device |
| US5271182A (en) * | 1991-09-24 | 1993-12-21 | Aug.Winkhaus Gmbh & Co. Kg | Device for opening and closing the panel of a window, door, ventilation hatch, or similar closure |
| CN101975008A (en) * | 2010-10-27 | 2011-02-16 | 西安飞机工业（集团）有限责任公司 | Flexible control safety lock mechanism of cabin door |
| EP2333216A1 (en) * | 2008-09-12 | 2011-06-15 | Sugatsune Kogyo CO., LTD. | Hinge device |
| CN203239796U (en) * | 2013-04-22 | 2013-10-16 | 太原市冶金机械厂 | Tension low-speed backstop |
| CN104453525A (en) * | 2014-11-11 | 2015-03-25 | 上海宇航系统工程研究所 | Self-locking type manual driving device and aircraft cabin door mechanism |
| CN104975778A (en) * | 2015-06-05 | 2015-10-14 | 上海宇航系统工程研究所 | Manual and electric integrated driving device for cabin door of spacecraft |
| CN205315619U (en) * | 2015-12-10 | 2016-06-15 | 湖南南方宇航高精传动有限公司 | Two -way locking means |
| CN110359803A (en) * | 2019-06-13 | 2019-10-22 | 天津海瑞德自动化设备有限公司 | The emergency manual switch window electric machine that has a power failure can be achieved in one kind |
| CN112211974A (en) * | 2020-09-25 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Backstop for aviation electric actuator |
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2022
- 2022-05-25 CN CN202210579709.6A patent/CN115095240B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2003972A (en) * | 1977-09-12 | 1979-03-21 | Mac Gregor International Sa | Door or hatch operation device |
| US5271182A (en) * | 1991-09-24 | 1993-12-21 | Aug.Winkhaus Gmbh & Co. Kg | Device for opening and closing the panel of a window, door, ventilation hatch, or similar closure |
| EP2333216A1 (en) * | 2008-09-12 | 2011-06-15 | Sugatsune Kogyo CO., LTD. | Hinge device |
| CN101975008A (en) * | 2010-10-27 | 2011-02-16 | 西安飞机工业（集团）有限责任公司 | Flexible control safety lock mechanism of cabin door |
| CN203239796U (en) * | 2013-04-22 | 2013-10-16 | 太原市冶金机械厂 | Tension low-speed backstop |
| CN104453525A (en) * | 2014-11-11 | 2015-03-25 | 上海宇航系统工程研究所 | Self-locking type manual driving device and aircraft cabin door mechanism |
| CN104975778A (en) * | 2015-06-05 | 2015-10-14 | 上海宇航系统工程研究所 | Manual and electric integrated driving device for cabin door of spacecraft |
| CN205315619U (en) * | 2015-12-10 | 2016-06-15 | 湖南南方宇航高精传动有限公司 | Two -way locking means |
| CN110359803A (en) * | 2019-06-13 | 2019-10-22 | 天津海瑞德自动化设备有限公司 | The emergency manual switch window electric machine that has a power failure can be achieved in one kind |
| CN112211974A (en) * | 2020-09-25 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Backstop for aviation electric actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115095240A (en) | 2022-09-23 |
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