CN212658146U - Lifting lug folding mechanism - Google Patents
Lifting lug folding mechanism Download PDFInfo
- Publication number
- CN212658146U CN212658146U CN202021121555.9U CN202021121555U CN212658146U CN 212658146 U CN212658146 U CN 212658146U CN 202021121555 U CN202021121555 U CN 202021121555U CN 212658146 U CN212658146 U CN 212658146U
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- China
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- lifting lug
- rotating shaft
- cabin body
- supporting box
- connecting rod
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Abstract
A lifting lug folding mechanism is characterized in that a lifting lug is connected with a supporting box through a first rotating shaft, a torsion spring used for providing power for the folding rotation of the lifting lug is arranged on the first rotating shaft, two ends of the torsion spring are respectively inserted into the supporting box, the supporting box is arranged in a cabin body, a lifting lug opening used for the rotation of the lifting lug is formed in the cabin body above the supporting box, three hinge connecting holes are formed in a cover used for maintaining the opening of the lifting lug, the lower end of a first connecting rod is fixedly connected with the lifting lug, the upper end of the first connecting rod is connected with two hinge connecting holes of the cover, the other hinge connecting hole of the cover is connected with one end of a second connecting rod, and the second connecting rod is connected with the supporting box through; meanwhile, a round hole for inserting a pin into the first rotating shaft from the outside of the cabin body is formed in one end of the first rotating shaft; the utility model discloses maintain cabin body appearance when realizing that the lug is folding, cabin body surfacing, and then it has sunken influences waterproof and pneumatic appearance of projectile body to reduce cabin body surface.
Description
Technical Field
The utility model relates to a guided missile lug technical field especially relates to a lug folding mechanism.
Background
Based on the stealth technology and the requirement of the air performance of the cruise missile, the lifting lugs need to be folded, and after the missile is launched, the lifting lugs are longitudinally folded into the cabin body and the appearance of the cabin body is kept unchanged. The existing folding lifting lug generally adopts a longitudinal folding form, takes a torsion spring as a rotary power source, is provided with an initial lock and a proper lock device, and is folded into the cabin body, but no dimensional mechanism exists, so that the surface of the cabin body is sunken, and the waterproof and pneumatic appearance of the elastomer is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a lug folding mechanism to solve the problem in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize:
a lifting lug folding mechanism comprises a cabin body, lifting lugs, a cover cap and a supporting box, wherein the lifting lugs are connected with the supporting box through a first rotating shaft, a torsion spring used for providing power for the folding rotation of the lifting lugs is arranged on the first rotating shaft, two ends of the torsion spring are respectively inserted into the supporting box, the supporting box is arranged in the cabin body, a lifting lug opening used for the rotation of the lifting lugs is formed in the cabin body above the supporting box, three hinge connecting holes are formed in the cover cap used for covering the lifting lug opening to maintain the appearance of the cabin body, the lower end of a first connecting rod is fixedly connected with the lifting lugs, the upper end of the first connecting rod is connected with two hinge connecting holes of the cover cap, the other hinge connecting hole of the cover cap is connected with one end of a second connecting rod, and the second connecting; simultaneously be provided with in the one end of pivot be used for inserting the round hole in the pivot with the pin from cabin body outside, be used for locking the lug through inserting the pin in the round hole, the restriction lug is rotatory, makes it be in the expansion position, and the torsional spring is in the energy storage state.
The utility model discloses in, the lug lower part is provided with a pivot hole that is used for installing a pivot.
The utility model discloses in, No. two connecting rod middle parts set up No. two pivot holes that are used for installing No. two pivots.
The utility model discloses in, a connecting rod is Y shape structure, and Y shape structure lower extreme and lug fixed connection, and two hinged joint hole connection of bolt and flap are passed through to Y shape structure upper end.
The utility model discloses in, the size of flap is the same with lug open-ended size to maintain cabin body appearance.
In the utility model, when in installation, the first rotating shaft sequentially passes through the torsion spring and the lifting lug from one side of the supporting box, and then the lower end of the first connecting rod is fixed on the lifting lug; then, connecting a second connecting rod with a supporting box by using a second rotating shaft, sequentially placing the supporting box into the cabin from the butt joint surface of the cabin, aligning the mounting positions of the lifting lugs for connection and fastening, locking the lifting lugs by inserting pins, and finally connecting the opening cover with the second connecting rod and the first connecting rod;
after the installation of the folding lifting lug is finished, the folding lifting lug is in an unfolded state, and the torsion spring is in an energy storage state; after the missile is hung on the aircraft, the pin is taken down, the lifting lugs are released from constraint, after the missile is launched, the lifting lugs rotate and fold to the inside of the supporting box under the action of torque of the torsion spring, and meanwhile, the opening cover is driven to rotate to be covered above the opening of the lifting lugs of the cabin body so as to maintain the appearance of the cabin body.
Has the advantages that: the utility model discloses maintain cabin body appearance when realizing that the lug is folding, cabin body surfacing, and then it has sunken influence to projectile waterproof and pneumatic appearance to reduce cabin body surface, and dimension shape flap adopts same power supply with folding lug, compact structure to arrange a whole set of mechanism in supporting the box, adopt the modularized design, the dismouting of being convenient for.
Drawings
Fig. 1 is a front view of a preferred embodiment of the present invention.
Fig. 2 is an exploded view of the preferred embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1-2, a lifting lug folding mechanism comprises a cabin body 1, a first rotating shaft 2, a lifting lug 3, a torsion spring 4, a first connecting rod 5, a cover 6, a second connecting rod 7, a second rotating shaft 8, a pin 9 and a supporting box 10, wherein a first rotating shaft hole for mounting the first rotating shaft 2 is formed in the lower portion of the lifting lug 3, the lifting lug 3 is connected with the supporting box 10 through the first rotating shaft 2, the torsion spring 4 is arranged on the first rotating shaft 2, two ends of the torsion spring 4 are respectively inserted into the supporting box 10, and the middle end of the torsion spring 4 is restrained by the side surface of the lifting lug 3 to enable the torsion spring 4 to store energy and provide power for folding and rotating of the lifting lug 3; the supporting box 10 is arranged in the cabin body 1, a lifting lug opening used for rotating the lifting lug 3 is formed in the cabin body 1 positioned above the supporting box 10, three hinge connecting holes are formed in a cover 6 used for covering the lifting lug opening to maintain the appearance of the cabin body 1, the first connecting rod 5 is of a Y-shaped structure, the lower end of the Y-shaped structure is fixedly connected with the lifting lug 3, the upper end of the Y-shaped structure is connected with the two hinge connecting holes of the cover 6 through bolts, the other hinge connecting hole of the cover 6 is connected with one end of the second connecting rod 7, the middle part of the second connecting rod 7 is provided with a second rotating shaft hole used for installing a second rotating shaft 8, the second connecting rod 7 is connected with the supporting box 10 through the second rotating shaft 8, and the supporting box 10 is; simultaneously be provided with the round hole that is used for inserting a pivot 2 with pin 9 from cabin body 1 outside in one end of pivot 2, be used for locking lug 3 through inserting pin 9 in the round hole, restrict the lug 3 and rotate, make it be in the expansion position, torsional spring 4 is in the energy storage state.
In this embodiment, the size of the flap 6 is the same as the size of the opening of the lifting lug to maintain the external shape of the nacelle 1.
In the embodiment, during installation, the first rotating shaft 2 sequentially penetrates through the torsion spring 4 and the lifting lug 3 from one side of the supporting box 10, and then the lower end of the first connecting rod 5 is fixed on the lifting lug 3; then, a second connecting rod 7 is connected with a supporting box 10 by using a second rotating shaft 8, the supporting box 10 is sequentially placed into the cabin body 1 from the butt joint face of the cabin body 1, the connecting and fastening are carried out by aligning with the installation position of the lifting lug 3, the lifting lug 3 is locked by inserting a pin 9, and finally the opening cover 6 is connected with the second connecting rod 7 and the first connecting rod 5;
after the folding lifting lug is installed, the folding lifting lug is in an unfolded state, and the torsion spring 4 is in an energy storage state; after the missile is hung on the aircraft, the pin 9 is taken down, the lifting lugs 3 are free from constraint, after the missile is launched, the lifting lugs 3 are rotated and folded into the supporting box 10 under the action of the torque of the torsion spring 4, and meanwhile, the opening cover 6 is driven to rotate to the position above the opening of the lifting lugs of the cabin body 1 for covering, so that the appearance of the cabin body 1 is maintained.
Claims (6)
1. A lifting lug folding mechanism comprises a cabin body, lifting lugs, a cover and a supporting box, and is characterized in that the lifting lugs are connected with the supporting box through a first rotating shaft, a torsion spring used for providing power for the folding rotation of the lifting lugs is arranged on the first rotating shaft, two ends of the torsion spring are respectively inserted into the supporting box, the supporting box is arranged in the cabin body, a lifting lug opening used for the rotation of the lifting lugs is formed in the cabin body above the supporting box, three hinge connecting holes are formed in the cover used for covering the lifting lug opening to maintain the appearance of the cabin body, the lower end of a first connecting rod is fixedly connected with the lifting lugs, the upper end of the first connecting rod is connected with two hinge connecting holes of the cover, the other hinge connecting hole of the cover is connected with one end of a second connecting rod, and the second connecting rod is connected; meanwhile, a round hole used for inserting the pin into the first rotating shaft from the outside of the cabin body is formed in one end of the first rotating shaft.
2. The lifting lug folding mechanism according to claim 1, wherein the lower part of the lifting lug is provided with a first rotating shaft hole for installing a first rotating shaft.
3. The lifting lug folding mechanism according to claim 1, wherein a second rotating shaft hole for mounting a second rotating shaft is formed in the middle of the second connecting rod.
4. The ear folding mechanism according to claim 1, wherein said first link is a Y-shaped structure.
5. The lifting lug folding mechanism according to claim 4, wherein the lower end of the Y-shaped structure is fixedly connected with the lifting lug, and the upper end of the Y-shaped structure is connected with the two hinge connecting holes of the cover through bolts.
6. The tab folding mechanism according to claim 1 wherein the size of the flap is the same as the size of the tab opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121555.9U CN212658146U (en) | 2020-06-17 | 2020-06-17 | Lifting lug folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121555.9U CN212658146U (en) | 2020-06-17 | 2020-06-17 | Lifting lug folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658146U true CN212658146U (en) | 2021-03-05 |
Family
ID=74753050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121555.9U Active CN212658146U (en) | 2020-06-17 | 2020-06-17 | Lifting lug folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183634A (en) * | 2022-08-01 | 2022-10-14 | 湖北航天飞行器研究所 | Folding wing guided missile projectile body dimension shape device and guided missile projectile body |
-
2020
- 2020-06-17 CN CN202021121555.9U patent/CN212658146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183634A (en) * | 2022-08-01 | 2022-10-14 | 湖北航天飞行器研究所 | Folding wing guided missile projectile body dimension shape device and guided missile projectile body |
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