CN109367787B - Synchronous dismounting device of vertical shaft type aircraft hanging beam - Google Patents
Synchronous dismounting device of vertical shaft type aircraft hanging beam Download PDFInfo
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- CN109367787B CN109367787B CN201811205743.7A CN201811205743A CN109367787B CN 109367787 B CN109367787 B CN 109367787B CN 201811205743 A CN201811205743 A CN 201811205743A CN 109367787 B CN109367787 B CN 109367787B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000010586 diagram Methods 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D7/00—Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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Abstract
The invention relates to a dismounting device for an aircraft hanging beam, in particular to a synchronous dismounting device for the aircraft hanging beam, and belongs to the technical field of aircraft design. A synchronous dismounting device of a vertical shaft type airplane hanging beam comprises a connecting piece and a mechanism piece; the connecting piece comprises a support rod and a hand operating piece; the mechanism part includes: the device comprises a threaded rod, a left joint, a right joint, a connecting rod, an upper joint and a lower joint; the mechanism is at least 2. The invention has the following advantages: 1. the damage to the airplane is reduced. 2. The clamping stagnation problem is solved. 3. The vertical shaft hanging device is generally used for hanging beams with different vertical shaft intervals. 4. The efficiency of the mechanism is improved. 5. The structure is more simplified. 6. The practicability is strong, and the application is easy to popularize.
Description
Technical Field
The invention relates to a dismounting device for an aircraft hanging beam, in particular to a synchronous dismounting device for the aircraft hanging beam, and belongs to the technical field of aircraft design.
Background
Weapon joins externally ability is the important index of aircraft, in order to realize many joins externally, will usually set up on the wing and hang the point, links to each other with the wing through hanging the roof beam. For simple structure and light weight, a vertical shaft type hanging beam is often adopted, as shown in fig. 1, a front vertical shaft 35 and a rear vertical shaft 36 are connected with joints on a wing 37, but the hanging beam is often difficult to disassemble and damages the skin of the wing due to knocking. In routine maintenance, ground staff is required to knock the vertical shafts out of the front and rear vertical shaft joints 29, 30 by a hammer while standing on the wing, and when one of the vertical shafts is knocked out, the hanging beam 38 will form an inclination angle with the wing 37 due to the weight effect, so that the other vertical shaft is more difficult to dismount.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a synchronous dismounting device of a vertical shaft type airplane hanging beam, which can ensure the synchronous and easy dismounting of a front vertical shaft and a rear vertical shaft, does not generate additional external dismounting force to an airplane and reduces the damage to the structure of the airplane due to dismounting.
In order to achieve the purpose, the invention adopts the following technical scheme: a synchronous dismounting device of a vertical shaft type airplane hanging beam comprises a connecting piece and a mechanism piece; the connecting piece comprises a support rod and a hand operating piece; the mechanism part includes: the device comprises a threaded rod, a left joint, a right joint, a connecting rod, an upper joint and a lower joint; one end of the threaded rod is connected with the manual operating piece and is driven by the manual operating piece to rotate; the left joint and the right joint are respectively screwed on the left and the right of the threaded rod, and the threaded holes of the left joint and the right joint are opposite in direction; the four connecting rods are respectively used for connecting the left joint with the upper joint and the lower joint, and the right joint with the upper joint and the lower joint; one end of the upper joint is connected with the stay bar in a sliding manner, the other end of the upper joint is provided with a through hole, a through groove is formed in the upper joint along the length direction of the upper joint, the threaded rod penetrates through the through groove, and the left joint and the right joint are respectively positioned on the left side and the right side of the upper joint; the lower joint is provided with an ejector rod matched with the through hole, and the ejector rod penetrates through the through hole and is limited with the upper joint through a nut; the mechanism is at least 2.
Preferably, the number of the machine components is 2, and the machine components comprise a front mechanism and a rear mechanism which are connected through a hand operation piece.
Preferably, the machine component further comprises a rocker arm and a rocker arm; one end of the rocker arm is clamped with one end of the threaded rod, and the other end of the rocker arm is connected with one end of the rocker arm; the rockers are connected together by a hand-operated member.
Furthermore, the rocking arm is "worker" style of calligraphy, and one end is provided with the card hole that matches with the draw-in groove of screw rod tip, and the other end is provided with the mounting hole that holds the rocking rod tip.
Furthermore, the rocker arm and the rocker form an included angle of 90 degrees.
Preferably, the hand operating piece is a sleeve, and the other end of the rocker is inserted into a central hole of the sleeve.
Preferably, the stay bar is an i-beam.
Preferably, hinges are arranged on two sides of the left joint, the right joint, the upper joint and the lower joint, and the connecting rod is connected with the left joint, the right joint, the upper joint and the lower joint through the hinges.
Compared with the prior art, the invention has the following advantages:
1. when the device extrudes the vertical shaft, the pressure of the vertical shaft and the tension of the pull joint are mutually balanced internal forces, additional disassembly load can not be generated on the airplane, and the damage to the airplane due to external disassembly is reduced.
2. The device utilizes the sleeve to make the front rocker and the rear rocker rotate synchronously, the rotating speed of the threaded rod is the same, the ejection speed of the vertical shaft is the same, the front vertical shaft and the rear vertical shaft are dismounted synchronously, and the problem that the vertical shaft and the joint are clamped and blocked due to the asynchronous dismounting of the vertical shaft type airplane hanging beam is effectively solved.
3. The stay bar in the device passes through the through hole of the upper joint to connect the front mechanism and the rear mechanism, and the joint can slide on the stay bar, so that the relative positions of the front mechanism and the rear mechanism are adjusted, and the device can be universally used for hanging beams with different vertical shaft intervals.
4. The screw rod of the device has reverse front and back threads, and both sides generate pulling force to realize internal force balance during rotation, thereby improving the mechanism efficiency.
5. The device utilizes the labor-saving mechanisms of the screw rod and the rocker arm to provide a larger acting force only by manual operation, completes the disassembly of the vertical shaft, does not need to add other additional devices, and simplifies the structure.
6. The device simple structure, the principle is clear, and the production of being convenient for, the practicality is stronger, easily promotes the application, has great value.
Drawings
FIG. 1 is a drawing of the background of the invention;
FIG. 2 is a schematic structural diagram 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention 2;
FIG. 4 is a schematic view of the front and rear threaded rods of an embodiment of the present invention;
FIG. 5 is a schematic view of a front left joint, a rear left joint, a front right joint, and a rear right joint configuration according to an embodiment of the present invention;
FIG. 6 is a schematic view of a front lower joint and a rear lower joint structure in an embodiment of the present invention;
FIG. 7 is a schematic view of a front top sub and a rear top sub configuration in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of an embodiment of the present invention in connection with a vertical axis aircraft suspension beam;
FIG. 9 is a schematic diagram of the working state of the embodiment of the present invention;
in fig. 1-9, 1, the front threaded rod; 2. a front left joint; 3. a front right joint; 4. a front left upper bar; 5. a front left lower bar; 6. a front right upper bar; 7. a front right lower bar; 8. a front upper joint; 9. a front lower joint; 10. a front upper joint bolt; 11. a front upper joint nut; 12. a front rocker arm; 13. a front rocker; 14. a rear threaded rod; 15. a rear left joint; 16. a rear right joint; 17. a rear left upper bar; 18. a rear left lower bar; 19. a rear right upper bar; 20. a rear right lower bar; 21. a rear upper joint; 22. a rear lower joint; 23. a rear upper joint bolt; 24. a rear upper joint nut; 25. a rear rocker arm; 26. a rear rocker; 27. a sleeve; 28. a stay bar; 29. a front vertical shaft joint; 30. a rear vertical shaft joint; 31. a bushing on the front vertical shaft; 32. a bushing on the rear vertical shaft; 33. a front vertical shaft lower bushing; 34. a rear vertical shaft lower bushing; 35. a front vertical shaft; 36. a rear vertical shaft; 37. an airfoil; 38. and (5) hanging the beam.
Detailed Description
It should be noted that, the terms "front, back, up and down" in the present embodiment are all described according to the drawings, and do not limit the present invention.
The invention will be described in further detail with reference to the accompanying figures 2-9: as shown in fig. 2 and 3, the synchronous dismounting device for the vertical shaft type airplane hanging beam comprises a front mechanism: the front threaded rod 1, the front left joint 2, the front right joint 3, the front left upper rod 4, the front left lower rod 5, the front right upper rod 6, the front right lower rod 7, the front upper joint 8, the front lower joint 9, the front upper joint bolt 10, the front upper joint nut 11, the front rocker arm 12 and the front rocker arm 13; a rear mechanism: a rear threaded rod 14, a rear left joint 15, a rear right joint 16, a rear left upper rod 17, a rear left lower rod 18, a rear right upper rod 19, a rear right lower rod 20, a rear upper joint 21, a rear lower joint 22, a rear upper joint bolt 23, a rear upper joint nut 24, a rear rocker arm 25 and a rear rocker 26; connecting piece: sleeve 27, strut 28.
As shown in fig. 4, the front threaded rod 1 and the rear threaded rod 14 are provided with threads, the thread directions are opposite, the front threaded rod 1 and the rear threaded rod 14 are used for being screwed with the front left joint 2, the front right joint 3, the rear left joint 15 and the rear right joint 16, and one ends of the front threaded rod 1 and the rear threaded rod 14 are provided with clamping grooves.
The front left joint 2, the front right joint 3, the rear left joint 15 and the rear right joint 16 are structurally shown in fig. 5, threaded holes are formed in the centers of the front left joint 2, the front right joint 3, the rear left joint 15 and the rear right joint 16 and are respectively used for being in threaded connection with the front threaded rod 1 and the rear threaded rod 14, mounting holes are distributed around the threaded holes and are used for being connected and hinged with the front left upper rod 4, the front left lower rod 5, the front right upper rod 6 and the front right lower rod or are used for being hinged with the rear left upper rod 17, the rear left lower rod 18, the rear right upper rod 19 and the rear right lower rod 20.
The front lower joint 9 and the rear lower joint 22 are in a T shape as shown in FIG. 6, and comprise two parts: the horizontal part has the same structure with the front left joint 2, the front right joint 3, the rear left joint 15 and the rear right joint 16, and the vertical part is a bolt passing through a central threaded hole, namely: a front upper joint bolt 10 and a rear upper joint bolt 23.
The front upper joint 8 and the rear upper joint 21 are structurally as shown in fig. 7, the upper ends of the front upper joint 8 and the rear upper joint 21 are provided with holes and support rods in sliding connection so as to adjust the relative positions of the front mechanism and the rear mechanism, the upper part, the middle part and the lower part along the length direction of the front upper joint are respectively provided with a through groove, the lower end of the front upper joint is provided with a threaded hole, and the front upper joint bolt 10 and the rear upper joint bolt 23 penetrate out of the threaded holes and are respectively fixed with the front upper joint nut 11 and the rear upper joint nut 24.
In the front mechanism, a front threaded rod 1 is in threaded connection with a front left joint 2 and a front right joint 3 through threads, the end head of one end of the front threaded rod is connected with a front rocker arm 12 through a clamping groove, the other end of the front rocker arm 12 is connected with a front rocker arm 13 through a mounting hole, and the other end of the front rocker arm 13 is inserted into a through hole of a sleeve 27; the front left joint 2 is connected with a front left upper rod 4 and a hinge on one side of a front left lower rod 5 through bolts, the other end of the front left upper rod 4 is connected with a hinge on one side of a front upper joint 8 through bolts, the other end of the front left lower rod 5 is connected with a hinge on one side of a front lower joint 9 through bolts, the front right joint 3 is connected with a hinge on one side of a front right upper rod 6 and a front right lower rod 7 through bolts, the other end of the front right upper rod 6 is connected with a hinge on the other side of the front upper joint 8 through bolts, and the other end of the front right lower rod 7 is connected with a hinge on the other side of the front lower joint 9 through bolts; the lower end of the front upper joint 8 is connected with a front upper joint bolt 10 through threads, and the lower end of the front upper joint bolt 10 is connected with the front upper joint 8 through a front upper joint nut 11 to be fixed.
The rear mechanism structure is the same as the front mechanism, namely: the rear screw 14 is connected with the rear left connector 15 and the rear right connector 16 through threads, one end of the rear screw is clamped with the rear rocker arm 25 through a clamping groove, the other end of the rear rocker arm 25 is connected with the rear rocker 26 through a through mounting hole, and the other end of the rear rocker 26 is inserted into a through hole of the sleeve 27; the rear left joint 15 is connected with the hinges at one sides of the rear left upper rod 17 and the rear left lower rod 18 through bolts, the other end of the rear left upper rod 17 is connected with the hinge at one side of the rear upper joint 21 through bolts, and the other end of the rear left lower rod 18 is connected with the hinge at one side of the rear lower joint 22 through bolts; the rear right joint 16 is connected with the hinges at one sides of the rear right upper rod 19 and the rear right lower rod 20 through bolts, the other end of the rear right upper rod 19 is connected with the hinge at the other side of the rear upper joint 21 through bolts, and the other end of the rear right lower rod 20 is connected with the hinge at the other side of the rear lower joint 22 through bolts; the lower end of the rear upper joint 21 is connected with a rear upper joint bolt 23 through threads, and the lower end of the rear upper joint bolt 23 is connected with the rear upper joint 21 through a rear upper joint nut 24 to be fixed.
The stay bar 28 is an i-shaped beam with high rigidity, and connects the front mechanism and the rear mechanism through the openings at the upper ends of the front upper joint 8 and the rear upper joint 21 to provide support for the whole device.
The front mechanism and the rear mechanism are identical in structure, and the whole structure is similar to that of a diamond jack.
As shown in fig. 8-9, the inner side of the lower surface of the front upper joint nut 11 is connected with a front vertical shaft upper bushing 31 through screw threads, the inner side of the lower surface of the rear upper joint nut 23 is connected with a rear vertical shaft upper bushing 32 through screw threads, ejector rods are arranged below the front lower joint 9 and the rear lower joint 22 to extrude the upper end surface of the vertical shaft, in the process of extruding the vertical shaft, the pressure generated by the front lower joint 9 is transmitted to the front vertical shaft 35 through the mandril, the pressure generated by the rear lower joint 22 is transmitted to the rear vertical shaft 36 through the mandril, the pulling force generated by the front upper joint is transmitted to the front upper joint nut 11 through the front upper joint bolt 10, the pulling force generated by the rear upper joint is transmitted to the rear upper joint nut 24 through the rear upper joint bolt 23, the front upper joint nut 11 is transmitted to the front vertical shaft lower bushing 33, the rear upper joint nut 24 is transmitted to the rear vertical shaft lower bushing 34, and the front vertical shaft lower bushing 33 and the rear vertical shaft lower bushing 34 are respectively transmitted to the vertical shaft joints. In the whole process, the pulling force and the pressure are balanced internal forces, so that extra additional loads (such as hammering, and knocking loads can be directly applied to the airplane) cannot be generated on the airplane, and the damage of the dismounting to the airplane structure is reduced.
The front rocker 13 and the rear rocker 26 are connected through a sleeve 27, and a through hole is formed in the middle of the sleeve 27 and can slide on the rockers, so that the distance between the front mechanism and the rear mechanism is adjusted. The sleeve 27 drives the front rocker 13 and the rear rocker 26 to rotate at the same rotating speed, so that the rotating speeds of the front threaded rod and the rear threaded rod are the same, and the speed distances of the front mechanism and the rear mechanism for extruding the vertical shafts are also the same, so that synchronous disassembly of the front vertical shaft and the rear vertical shaft can be ensured, and the condition that the vertical shafts and joints are clamped and blocked due to asynchronous disassembly of the front vertical shaft and the rear vertical shaft is effectively avoided.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and do not limit the present invention, and any extensions and modifications made by those skilled in the art based on the above-mentioned embodiments are within the scope of the present invention.
Claims (8)
1. The utility model provides a synchronous dismounting device of vertical axis formula aircraft hanging beam which characterized in that: the synchronous dismounting device comprises a connecting piece and a mechanism piece; the connecting piece comprises a support rod and a hand operating piece; the mechanism part includes: the device comprises a threaded rod, a left joint, a right joint, a connecting rod, an upper joint and a lower joint; one end of the threaded rod is connected with the manual operating piece and is driven by the manual operating piece to rotate; the left joint and the right joint are respectively screwed on the left and the right of the threaded rod, and the threaded holes of the left joint and the right joint are opposite in direction; the four connecting rods are respectively used for connecting the left joint with the upper joint and the lower joint, and the right joint with the upper joint and the lower joint; one end of the upper joint is connected with the stay bar in a sliding manner, the other end of the upper joint is provided with a through hole, a through groove is formed in the upper joint along the length direction of the upper joint, the threaded rod penetrates through the through groove, and the left joint and the right joint are respectively positioned on the left side and the right side of the upper joint; the lower joint is provided with an ejector rod matched with the through hole, and the ejector rod penetrates through the through hole and is limited with the upper joint through a nut; the mechanism is at least 2.
2. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 1, characterized in that: the number of the machine components is 2, and the machine components comprise a front mechanism and a rear mechanism which are connected through a hand operating piece.
3. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 2, characterized in that: the machine component also comprises a rocker arm and a rocker; one end of the rocker arm is clamped with one end of the threaded rod, and the other end of the rocker arm is connected with one end of the rocker arm; the rockers are connected together by a hand-operated member.
4. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 3, characterized in that: the rocking arm is "worker" style of calligraphy, and one end is provided with the card hole that matches with the draw-in groove of screw rod tip, and the other end is provided with the mounting hole that holds the rocking rod tip.
5. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 3 or 4, characterized in that: the rocker arm and the rocker form an included angle of 90 degrees.
6. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 1, characterized in that: the hand operating piece is a sleeve, and the other end of the rocker is inserted into a central hole of the sleeve.
7. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 1, characterized in that: the support rod is an I-shaped beam.
8. The synchronous dismounting device of the vertical axis type aircraft hanging beam according to claim 1 or 7, characterized in that: hinges are arranged on the two sides of the left joint, the right joint, the upper joint and the lower joint, and the connecting rod is connected with the hinges through the hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205743.7A CN109367787B (en) | 2018-10-17 | 2018-10-17 | Synchronous dismounting device of vertical shaft type aircraft hanging beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205743.7A CN109367787B (en) | 2018-10-17 | 2018-10-17 | Synchronous dismounting device of vertical shaft type aircraft hanging beam |
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| Publication Number | Publication Date |
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| CN109367787A CN109367787A (en) | 2019-02-22 |
| CN109367787B true CN109367787B (en) | 2021-12-28 |
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| CN201811205743.7A Active CN109367787B (en) | 2018-10-17 | 2018-10-17 | Synchronous dismounting device of vertical shaft type aircraft hanging beam |
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| CN (1) | CN109367787B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808893B (en) * | 2019-04-11 | 2020-10-02 | 北京航空航天大学 | Connecting rod type overhead recovery hanging device |
| CN115741522A (en) * | 2022-11-15 | 2023-03-07 | 江西洪都航空工业集团有限责任公司 | Universal vertical shaft type airplane hanging beam clamp |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250195B1 (en) * | 1999-11-09 | 2001-06-26 | Northrop Grumman Corporation | Compact universal ejection/rail launching system |
| CN102442435B (en) * | 2011-11-04 | 2013-12-18 | 哈尔滨飞机工业集团有限责任公司 | Aeronautic nacelle hanger with retracting guide function |
| CN103995542B (en) * | 2014-05-04 | 2017-02-15 | 江苏大学 | Method for adjusting level device |
| CN104443429A (en) * | 2014-12-06 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Suspended beam type clamping plate structure for central position of movable component of airfoil |
| CN204507278U (en) * | 2014-12-24 | 2015-07-29 | 四川航泰航空装备有限公司 | The general hanging equipment of a kind of aircraft |
| CN205080880U (en) * | 2015-10-15 | 2016-03-09 | 武新洋 | Foldable adjustable and tensioning panel support frame |
| CN207843330U (en) * | 2017-05-23 | 2018-09-11 | 南京工业职业技术学院 | Aircraft back store Combinations support device |
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2018
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