CN219870327U - Variable-roll-angle tandem type double-seat ejection frame - Google Patents
Variable-roll-angle tandem type double-seat ejection frame Download PDFInfo
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- CN219870327U CN219870327U CN202320831704.8U CN202320831704U CN219870327U CN 219870327 U CN219870327 U CN 219870327U CN 202320831704 U CN202320831704 U CN 202320831704U CN 219870327 U CN219870327 U CN 219870327U
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- connecting rod
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- seat
- roll angle
- cabin
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- 238000004088 simulation Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 8
- 108010066057 cabin-1 Proteins 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a variable-roll-angle tandem type double-seat ejection frame which comprises an analog cabin, an underframe and a connecting rod combination mechanism. The connecting rod combination mechanism comprises a connecting rod, a single-lug connector and a double-lug connector, and the connecting rod is connected with the single-lug connector/double-lug connector through left and right threads. One side of the simulation cabin is in threaded connection with the underframe through a single-double-lug connector, and the other side of the simulation cabin is connected through connecting rod combination mechanisms with different lengths, so that the simulation cabin forms different roll angles. Different rolling angle installation states can be realized by replacing different connecting rod simulation cabins, and the requirement of the ejection test on the rolling angle of the seat is met. By adjusting the screwing length of the threads at the two ends of the connecting rod combination mechanism, fine adjustment of the rolling angle within the range of 10 degrees can be realized. The utility model truly simulates the installation environment of the ejection seat, ensures that the space size of the ejection seat cabin is unchanged, meets the installation angle of the ejection seat, and ensures the course distance and the vertical height difference of the simulation cabin.
Description
Technical Field
The utility model belongs to the technical field of catapulting life-saving device tests, and relates to a variable-roll-angle tandem type double-seat catapulting frame.
Background
In the development process of the ejection life-saving device, whether the ejection life-saving performance of the ejection life-saving device meets the development requirement under the conditions of zero speed, zero height and rolling angle is required to be verified, the ejection frame used in the current double-seat zero ejection test cannot meet the requirement of the test on the rolling angle, and the installation space of front and rear seats cannot simulate the real installation environment. Therefore, the ejection rack used in the double-seat zero ejection test cannot meet the unfavorable posture verification requirement of the ejection life-saving device in the prior art, and the mounting space of the front seat and the rear seat cannot simulate the real installation environment.
Disclosure of Invention
The utility model aims to: the double-seat catapulting frame can meet the requirement of a disadvantageous posture performance verification test of the double-seat catapulting life-saving device under the conditions of zero speed, zero height and roll angle.
The technical scheme of the utility model is as follows: the utility model provides a variable roll angle tandem type double-seat catapulting frame, includes simulation cabin, chassis and connecting rod combined mechanism, its characterized in that, connecting rod combined mechanism includes the connecting rod and the joint rather than both ends are connected, and the connecting rod both ends are respectively through joint and simulation cabin and one side threaded connection of chassis, adjust the length of connecting rod and make simulation cabin and chassis another side form different roll angles.
In the scheme, a plurality of connecting rods are arranged, and the lengths of the connecting rods are set according to the required roll angle between the simulated cabin and one side of the underframe.
In the scheme, the connecting rods are provided with the first connecting rod, the second connecting rod and the third connecting rod according to the length, the first connecting rod is replaced to form a rolling angle of 30 degrees, the second connecting rod is replaced to form a rolling angle of 45 degrees, and the third connecting rod is replaced to form a rolling angle of 60 degrees.
In the scheme, the connector comprises a single-lug connector and a double-lug connector, one end of the connecting rod is in threaded connection with the single-lug connector, and the other end of the connecting rod is in threaded connection with the double-lug connector.
In the scheme, the simulation cabin is provided with a single-lug connector connected with one end of the connecting rod, and the underframe is provided with a double-lug connector connected with the other end of the connecting rod.
The utility model has the advantages and beneficial effects that: the utility model truly simulates the installation environment of the ejection seat, ensures that the space size of the ejection seat cabin is unchanged, meets the installation angle of the ejection seat, and ensures the course distance and the vertical height difference of the simulation cabin.
Adopt split type design, simulate cabin and chassis one side and form the hinge through single binaural joint bolted connection, and the another side passes through connecting rod combined mechanism and connects, forms the roll angle between simulation cabin and the chassis, realizes simulating the unfavorable gesture of roll of cabin.
By changing different connecting rods, the simulation cabin can realize different roll angle installation states, and the requirement of the ejection test on the roll angle of the seat is met. By adjusting the screw thread screwing length (100 mm) at the two ends of the connecting rod combination mechanism, fine adjustment within the range of the roll angle of 10 degrees can be realized.
The utility model relates to a variable-roll-angle tandem type double-seat ejection frame for a zero-zero unfavorable posture ejection life-saving test of a double-seat ejection life-saving device.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a simulated cockpit.
Fig. 2 is a schematic view of a chassis.
Fig. 3 is a schematic view of a link assembly mechanism.
Fig. 4 is a variable roll angle tandem double seat ejector rack (0 ° roll angle).
Fig. 5 is a variable roll angle tandem double seat ejector rack (30 ° roll angle).
Fig. 6 is a variable roll angle tandem double seat ejector rack (45 ° roll angle).
Fig. 7 is a variable roll angle tandem double seat ejector rack (60 ° roll angle).
In the figure, the cabin is 1-simulated; 2-a chassis; 3-single-lug threaded adjusting joint; 4-connecting rods; 5-binaural threaded adjustment joint; 6-a first link; 7-a second link; 8-a third connecting rod.
Detailed Description
A variable roll angle tandem type double-seat ejection frame comprises a simulation cabin, an underframe and a connecting rod combination mechanism. The connecting rod combination mechanism comprises a connecting rod, a single-lug connector and a double-lug connector, and the connecting rod is connected with the single-lug connector/double-lug connector through left and right threads. One side of the simulation cabin is in threaded connection with the underframe through the arranged single-double-lug connectors, and the other side of the simulation cabin is connected through connecting rod combination mechanisms with different lengths, so that the simulation cabin forms different roll angles.
In fig. 1, the simulation cabin 1 is divided into a front cabin and a rear cabin, the space size in the cabin is consistent with the real state, and the seat mounting mode is unchanged. And a single-lug connector is welded at the force transmission position at the bottom of the simulation cabin 1 and is connected with a double-lug connector bolt arranged on the underframe 2.
In fig. 2, the underframe 2 is of a frame structure, and a double-lug joint is welded at the upper part and is connected with a single-lug joint bolt at the bottom of the simulation cabin.
In fig. 3, the threads of the monaural threaded adjusting joint 3 and the binaural threaded adjusting joint 3 are left and right external threads, the two ends of the connecting rod 4 are internal threads, the monaural threaded adjusting joint 3 and the binaural threaded adjusting joint 5 are in threaded connection with the connecting rod 4, the threaded screwing length is 100mm, and fine adjustment within a range of 10 degrees of a roll angle can be realized by adjusting the threaded screwing length.
In the embodiment shown in fig. 4, the simulation cabin 1 and the underframe 2 are directly connected in a screwed mode through a single-double-lug connector to form a 0-degree roll angle, and the working condition of the ejection life-saving device in a flat flight state is simulated.
In the embodiment shown in fig. 5, 6 and 7, two ends of the connecting rod 4 are respectively connected with the simulation cabin and the underframe through single double-lug screw connection, the length of the connecting rod 4 is set according to different roll angles required to be formed between the simulation cabin 1 and the underframe 2, different roll angles are respectively formed between the simulation cabin 1 and the underframe 2 through changing the connecting rod 4 with different lengths, so that zero unfavorable gesture working conditions of the ejection life-saving device are simulated, and the first connecting rod 6 is changed to form the 30-degree roll angle shown in fig. 5; changing the second link 7 to form a roll angle of 45 ° as shown in fig. 6; the third link 8 is replaced to form a roll angle of 60 ° as shown in fig. 7.
Claims (5)
1. The utility model provides a variable roll angle tandem type double-seat catapulting frame, includes simulation cabin (1), chassis (2) and connecting rod combined mechanism, its characterized in that, connecting rod combined mechanism include connecting rod (4) and rather than the joint that both ends are connected, and the screw thread connection on one side of connecting rod (4) both ends and simulation cabin (1) and chassis (2) is passed through respectively to the joint, adjusts the length of connecting rod (4) and makes simulation cabin (1) and chassis (2) another side form different roll angles.
2. A variable roll angle tandem double seat ejector according to claim 1, characterized in that the number of links (4) is plural, the length of which is set according to the desired roll angle on the side of the simulation cabin (1) and the chassis (2).
3. A variable roll angle tandem double seat ejector rack according to claim 2, characterized in that the connecting rod (4) is provided with a first connecting rod (6), a second connecting rod (7) and a third connecting rod (8) by length, by changing the first connecting rod (6) to form a roll angle of 30 °, changing the second connecting rod (7) to form a roll angle of 45 ° and changing the third connecting rod (8) to form a roll angle of 60 °.
4. The variable roll angle tandem type double-seat ejection frame according to claim 1, wherein the joint comprises a single-lug joint (3) and a double-lug joint (5), one end of the connecting rod (4) is in threaded connection with the single-lug joint (3), and the other end of the connecting rod is in threaded connection with the double-lug joint (5).
5. The variable roll angle tandem double-seat ejection frame according to claim 4, wherein the simulation cabin (1) is provided with a single-lug connector connected with one end of the connecting rod (4), and the underframe (2) is provided with a double-lug connector connected with the other end of the connecting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831704.8U CN219870327U (en) | 2023-04-11 | 2023-04-11 | Variable-roll-angle tandem type double-seat ejection frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831704.8U CN219870327U (en) | 2023-04-11 | 2023-04-11 | Variable-roll-angle tandem type double-seat ejection frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870327U true CN219870327U (en) | 2023-10-20 |
Family
ID=88332977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320831704.8U Active CN219870327U (en) | 2023-04-11 | 2023-04-11 | Variable-roll-angle tandem type double-seat ejection frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870327U (en) |
-
2023
- 2023-04-11 CN CN202320831704.8U patent/CN219870327U/en active Active
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