Spaceflight inertial navigation instrument integrated with collision protection

Abstract

The utility model relates to the technical field of spaceflight inertial navigation instruments, and discloses a spaceflight inertial navigation instrument integrated with collision protection, which comprises a shell and an instrument main body, the interior of the shell is connected with the instrument main body in a clamping way through a rubber pad I, and four corners of the top end of the rubber pad I are respectively provided with a baffle block; the top end of the shell is connected with a top cover in a clamped mode through two clamping frames, wire clamps are arranged on the two sides of the shell and the two sides of the top cover, heat dissipation assemblies are arranged on the two sides of the top end of the top cover, and the bottom end of the top cover is connected with a second rubber pad through a support; the first rubber pad can support and limit the instrument main body through the check block, the top cover can limit the top end of the instrument main body through the second rubber pad, the supporting spring can support the vertical plate through the translation assembly, the limiting rod can be clamped with the clamping frame, and therefore the top cover can be locked, and bolt-free integration of the instrument main body and the shell can be achieved. And the shell and the top cover can provide anti-collision protection for the instrument main body.

Description

Technical Field

[0001] The utility model relates to the technical field of aerospace inertial navigation instruments, in particular to an aerospace inertial navigation instrument with integrated collision protection. Background Art

[0002] Inertial navigation refers to a technology that measures the acceleration of an aircraft and automatically performs integration operations to obtain the aircraft's instantaneous speed and position data. The devices that make up the inertial navigation system are all installed inside the aircraft. When working, they do not rely on external information, do not radiate energy to the outside world, and are not easily interfered with. It is an autonomous navigation system. The inertial navigation system is usually composed of an inertial measurement device, a computer, a control display, etc. The inertial measurement device includes an accelerometer and a gyroscope, also known as an inertial navigation combination.

[0003] The "inertial navigation device" disclosed in its application number "202021993844.8" "comprises a support plate and a fixed plate, the upper end of the support plate is provided with a groove, a protective shell is inserted inside the groove, two groups of fixed blocks are symmetrically arranged on the sides of the protective shell, and the fixed blocks are fixed to the upper end of the support plate by locking screws, the upper end of the support plate is provided with an inertial navigation instrument body, and the inertial navigation instrument body is located inside the protective shell, a pad is fixedly bonded to the inner top of the protective shell, the pad is arranged as an elastic rubber pad, and the lower end of the pad is in contact with the upper surface of the inertial navigation instrument body, a spring column is fixedly installed on the upper end of the fixed plate, and the support plate is fixedly installed on the upper end of the spring column". In the utility model, by arranging the inertial navigation instrument body inside the protective shell, and arranging a spring column with a buffering function between the support plate and the fixed plate, in actual use, the shock force generated by the movement of the carrier can be buffered by the spring column, which to a certain extent avoids the shock force generated when the carrier moves from damaging the internal electrical components.

[0004] However, the above method still has the following defects: when the inertial navigation device body is protected by the protective shell, the fixing block of the protective shell needs to be fixed by locking screws, and the wire needs to be locked by wire nuts, which makes the installation and removal slow and inconvenient to operate. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a space inertial navigation instrument with integrated collision protection, which has the advantages of fast installation and removal speed and convenient operation, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: an aerospace inertial navigation instrument with integrated collision protection, comprising a shell and an instrument body, the interior of the shell being connected to the instrument body via a rubber pad 1, the four corners of the top end of the rubber pad 1 being provided with blocks, the top end of the shell being connected to a top cover via two card frames, both sides of the shell and both sides of the top cover being provided with wire clamps, both sides of the top cover being provided with heat dissipation components, the bottom end of the top cover being connected to a rubber pad 2 via a bracket, a support spring being provided inside the bracket, both ends of the support spring being provided with seats, the seats being connected to a vertical plate via a translation assembly, and one side of the vertical plate being connected to the card frame via two limit rods.

[0007] As a preferred technical solution of the utility model, a rubber sheet is fixedly provided on the inner wall of the wire clamp, a wire is connected to the instrument body, and the wire is clamped and connected to the wire clamp through the rubber sheet.

[0008] As a preferred technical solution of the utility model, a mounting plate is fixedly provided at the bottom end of the shell, a plurality of mounting holes are opened on the surface of the mounting plate, and the bottom end of the rubber pad 1 is fixedly connected to the inner wall of the bottom end of the shell.

[0009] As a preferred technical solution of the utility model, the heat dissipation assembly includes a heat dissipation frame, a shaping frame, a protective net and a pressing frame. The heat dissipation frame is fixedly connected to the top of the top cover, a shaping frame is provided at the top of the heat dissipation frame, a protective net is provided on the surface of the shaping frame, and a pressing frame is provided at the top of the shaping frame.

[0010] As a preferred technical solution of the utility model, the shaping frame and the pressing frame are fixedly connected to the heat dissipation frame by screws, the surfaces of the shaping frame and the pressing frame are both provided with through holes, the screws are connected to the through holes through insertion, the surface of the heat dissipation frame is provided with threaded grooves, the screws are threadedly connected to the thread grooves.

[0011] As a preferred technical solution of the utility model, a spring column is fixedly provided in the middle of one side of the support, the support spring is snap-connected with the spring column, a push plate is fixedly provided at the top of the support, two plate grooves are provided in the middle of the top of the top cover, and the push plate is slidably connected with the plate grooves.

[0012] As a preferred technical solution of the present utility model, the translation assembly includes a translation plate, the middle part of one side of the translation plate is fixedly connected to the support, sliders are fixedly provided on both sides of the translation plate, sliding grooves are provided on the inner walls on both sides of the bracket, the sliders are slidably connected to the sliding grooves, both sides of the bottom end of the translation plate are fixedly connected to the two sides of the top end of the vertical plate through connecting rods, two slideways are provided on both sides of the bottom end of the bracket, and the connecting rods are slidably connected to the slideways.

[0013] As a preferred technical solution of the utility model, two rod grooves are provided on both sides of the top cover, the limiting rod is slidably connected to the rod groove, and two limiting grooves are provided on one side of the card frame, and the limiting rod is snap-connected to the limiting groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Rubber pad 1 can support and limit the instrument body through the block, the top cover can limit the top of the instrument body through rubber pad 2, the support spring can support the vertical plate through the translation assembly, the limit rod can be engaged with the card frame, so as to lock the top cover and integrate the instrument body and the shell without bolts, the wire clamp can fix the wires of the instrument body, the shell and the top cover can provide anti-collision protection for the instrument body, and the limit rod can be contracted by compressing the support spring, so that the top cover and the instrument body can be quickly removed for easy operation.

[0016] 2. By engaging the top cover with the card frame, the fulcrum and stability of the top cover are increased, the heat dissipation component can ensure the heat dissipation capacity of the shell and prevent the entry of foreign matter, rubber pad 1 and rubber pad 2 can increase the fit and friction at both ends of the instrument body, which is stable and reliable, and rubber pad 1 and rubber pad 2 can absorb kinetic energy and provide buffering and shock absorption for the instrument body. When the shell and the top cover are collided, the transmission of impact force can be reduced, and the instrument body is not easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the bracket of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the limit rod of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the main body of the utility model instrument;

[0022] Figure 6 It is a structural schematic diagram of the heat dissipation component of the utility model.

[0023] In the figure: 1. Shell; 2. Rubber pad 1; 3. Stopper; 4. Instrument body; 5. Wire; 6. Mounting plate; 7. Card frame; 8. Limiting groove; 9. Top cover; 10. Rod groove; 11. Bracket; 12. Wire clamp; 13. Plate groove; 14. Heat dissipation assembly; 1401. Heat dissipation frame; 1402. Shaping frame; 1403. Protective net; 1404. Pressing frame; 1405. Screw; 15. Slide; 16. Support spring; 17. Support; 18. Translation assembly; 1801. Translation plate; 1802. Sliding block; 1803. Connecting rod; 19. Vertical plate; 20. Limiting rod; 21. Spring column; 22. Push plate; 23. Rubber pad 2; 24. Slide. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 6 The invention discloses an aerospace inertial navigation instrument with integrated collision protection, comprising a shell 1 and an instrument body 4. The inside of the shell 1 is connected with the instrument body 4 by a rubber pad 2. The four corners of the top of the rubber pad 2 are provided with blocks 3. The rubber pad 2 can support and limit the instrument body 4 through the blocks 3. The top of the shell 1 is connected with a top cover 9 by two card frames 7. Both sides of the shell 1 and both sides of the top cover 9 are provided with wire clips 12. Both sides of the top of the top cover 9 are provided with heat dissipation components 14. The heat dissipation capacity of the shell 1 can be ensured by the heat dissipation components 14. And it can prevent the entry of foreign matter. The bottom end of the top cover 9 is connected to a rubber pad 23 through the bracket 11. The top cover 9 can limit the top of the instrument body 4 through the rubber pad 23 to prevent its vertical displacement. A support spring 16 is provided inside the bracket 11. Both ends of the support spring 16 are provided with a support 17. The support 17 is connected to a vertical plate 19 through a translation assembly 18. One side of the vertical plate 19 is connected to the card frame 7 through two limit rods 20. The support spring 16 can support the vertical plate 19 through the translation assembly 18, so that the top cover 9 can be locked.

[0026] In this embodiment, preferably, the heat dissipation assembly 14 includes a heat dissipation frame 1401, a shaping frame 1402, a protective net 1403 and a pressing frame 1404. The heat dissipation frame 1401 is fixedly connected to the top of the top cover 9, the top of the heat dissipation frame 1401 is provided with a shaping frame 1402, the surface of the shaping frame 1402 is provided with a protective net 1403, the top of the shaping frame 1402 is provided with a pressing frame 1404, the shaping frame 1402 and the pressing frame 1404 are fixedly connected to the heat dissipation frame 1401 by screws 1405, and the surface of the shaping frame 1402 and the surface of the pressing frame 1404 are provided with through holes, and the screws 1 405 is connected with the through hole, and a thread groove is provided on the surface of the heat dissipation frame 1401, and the screw 1405 is threadedly connected with the thread groove. The heat dissipation frame 1401 can ensure the circulation of air inside and outside the housing 1, and the heat emitted by the instrument body 4 can be discharged through the heat dissipation frame 1401. The shaping frame 1402 can be fixed by the pressing frame 1404 and the screw 1405, and the shaping frame 1402 can shape and support the protective net 1403. The protective net 1403 can prevent foreign matter from entering the housing 1, and the screw 1405 can be inserted through the through hole, and the screw 1405 can be positioned by the thread groove;

[0027] In this embodiment, preferably, the translation assembly 18 includes a translation plate 1801, the middle part of one side of the translation plate 1801 is fixedly connected to the support 17, sliders 1802 are fixedly provided on both sides of the translation plate 1801, and the inner walls on both sides of the bracket 11 are provided with slide grooves 24, the sliders 1802 are slidably connected to the slide grooves 24, and the translation plate 1801 can be guided by the sliders 1802 and the slide grooves 24 to prevent the translation plate 1801 from tilting, and both sides of the bottom end of the translation plate 1801 are respectively fixedly connected to both sides of the top of the vertical plate 19 through connecting rods 1803, and the translation plate 1801 can support the vertical plate 19 through the connecting rods 1803, and two slideways 15 are provided on both sides of the bottom end of the bracket 11, and the connecting rod 1803 is slidably connected to the slideway 15, and the slideway 15 can guide the connecting rod 1803 to ensure the horizontal movement of the connecting rod 1803;

[0028] In this embodiment, preferably, a rubber sheet is fixedly provided on the inner wall of the wire clamp 12, the instrument body 4 is connected with the wire 5, the wire 5 is connected to the wire clamp 12 by the rubber sheet, and the wire clamp 12 can limit the wire 5 through the rubber sheet and can provide protection for the wire 5;

[0029] In this embodiment, preferably, a mounting plate 6 is fixedly provided at the bottom end of the housing 1, and a plurality of mounting holes are provided on the surface of the mounting plate 6. The housing 1 can be fixedly installed through the mounting holes of the mounting plate 6, and the bottom end of the rubber pad 2 is fixedly connected to the inner wall of the bottom end of the housing 1, so as to prevent the rubber pad 2 from displacement;

[0030] In this embodiment, preferably, a spring column 21 is fixedly provided in the middle of one side of the support 17, and the support spring 16 is engaged and connected with the spring column 21. The support spring 16 can be limited by the spring column 21 to prevent the support spring 16 from falling off. A push plate 22 is fixedly provided at the top of the support 17, and the push plate 22 facilitates pushing the support 17 to make it horizontally displaced. Two plate grooves 13 are provided in the middle of the top of the top cover 9, and the push plate 22 is slidably connected with the plate groove 13;

[0031] In the present embodiment, preferably, two rod grooves 10 are provided on both sides of the top cover 9, and the limiting rod 20 is slidably connected with the rod groove 10. The limiting rod 20 can be passed through the rod groove 10 to ensure the telescopic movement of the limiting rod 20. Two limiting grooves 8 are provided on one side of the card frame 7, and the limiting rod 20 is engaged with the limiting groove 8. The limiting groove 8 can lock the top cover 9 through the limiting rod 20 to prevent it from loosening and falling off.

[0032] When in use, first place the bottom of the instrument body 4 on the rubber pad 2, and lay the wire 5 of the instrument body 4 on the wire clamps 12 on both sides of the shell 1. The block 3 at the top of the rubber pad 2 can prevent the instrument body 4 from moving horizontally. Then, the support spring 16 is compressed by the push plate 22 to shrink the limit rod 20, and then the top cover 9 is engaged with the card frame 7. After the top cover 9 is engaged with the card frame 7, the rubber pad 23 can limit the top of the instrument body 4. The wire clamp 12 can clamp the wire 5 through the rubber sheet, and the limit groove 8 can be coaxial with the limit rod 20. Then, the push plate 22 is released and the compression of the support spring 16 is stopped. The support spring 16 can withdraw the limit rod 20 from the limit groove 8, thereby locking the top cover 9 to prevent it from moving vertically, and the top cover 9, the instrument body 4 and the shell 1 can be integrated without bolts.

[0033] When the instrument body 4 is used for aerospace inertial navigation, the heat dissipation frame 1401 of the heat dissipation assembly 14 can ensure the circulation of air inside and outside the shell 1, and the heat generated by the instrument body 4 can be discharged through the heat dissipation frame 1401. The protective net 1403 can prevent foreign matter from entering the shell 1. The shell 1 and the top cover 9 prevent the subject 4 from being exposed to the outside. When it is collided and impacted, the rubber pad 1 2 and the rubber pad 2 23 can absorb kinetic energy and buffer and shock the instrument body 4. When the shell 1 and the top cover 9 are collided, the transmission of impact force can be reduced, and protection can be provided for the instrument body 4. The instrument body 4 is not easily damaged. When the instrument body needs to be removed from the shell 1, the staff pushes the two push plates 22 in opposite directions, compresses the support spring 16, pulls the limit rod 20 out of the limit groove 8, separates the top cover 9 from the card frame 7, lifts the top cover 9, and finally removes the instrument body 4 from between the four blocks 3 of the rubber pad 1 2.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aerospace inertial navigation instrument with integrated collision protection, comprising a housing (1) and an instrument body (4), characterized in that: The inside of the shell (1) is connected to the instrument body (4) by means of a rubber pad (2), and the four corners of the top of the rubber pad (2) are provided with stoppers (3). The top of the shell (1) is connected to the top cover (9) by means of two card frames (7). Both sides of the shell (1) and both sides of the top cover (9) are provided with wire clamps (12). Both sides of the top of the top cover (9) are provided with heat dissipation components (14). The bottom of the top cover (9) is connected to the rubber pad (23) by means of a bracket (11). A support spring (16) is provided inside the bracket (11), and both ends of the support spring (16) are provided with supports (17). The support (17) is connected to the vertical plate (19) by means of a translation component (18), and one side of the vertical plate (19) is connected to the card frame (7) by means of two limit rods (20).

2. The aerospace inertial navigation instrument with integrated collision protection according to claim 1, characterized in that: A rubber sheet is fixedly provided on the inner wall of the wire clamp (12); a wire (5) is connected to the instrument body (4); and the wire (5) is snap-connected to the wire clamp (12) via the rubber sheet.

3. The aerospace inertial navigation instrument with integrated collision protection according to claim 1, characterized in that: A mounting plate (6) is fixedly provided at the bottom end of the shell (1), a plurality of mounting holes are provided on the surface of the mounting plate (6), and the bottom end of the rubber pad (2) is fixedly connected to the inner wall of the bottom end of the shell (1).

4. The aerospace inertial navigation instrument with integrated collision protection according to claim 1, characterized in that: The heat dissipation component (14) comprises a heat dissipation frame (1401), a shaping frame (1402), a protective net (1403) and a pressing frame (1404); the heat dissipation frame (1401) is fixedly connected to the top of the top cover (9); a shaping frame (1402) is provided at the top of the heat dissipation frame (1401); a protective net (1403) is provided on the surface of the shaping frame (1402); and a pressing frame (1404) is provided at the top of the shaping frame (1402).

5. The aerospace inertial navigation instrument with integrated collision protection according to claim 4, characterized in that: The shaping frame (1402) and the pressing frame (1404) are both fixedly connected to the heat dissipation frame (1401) by means of screws (1405); the surfaces of the shaping frame (1402) and the pressing frame (1404) are both provided with through holes, the screws (1405) are connected through the through holes, the surface of the heat dissipation frame (1401) is provided with thread grooves, the screws (1405) are threadedly connected to the thread grooves.

6. The aerospace inertial navigation instrument with integrated collision protection according to claim 1, characterized in that: A spring column (21) is fixedly provided in the middle of one side of the support (17), the support spring (16) is snap-fitted and connected to the spring column (21), a push plate (22) is fixedly provided at the top end of the support (17), two plate grooves (13) are provided in the middle of the top end of the top cover (9), and the push plate (22) is slidably connected to the plate grooves (13).

7. The aerospace inertial navigation instrument with integrated collision protection according to claim 1, characterized in that: The translation assembly (18) comprises a translation plate (1801), the middle part of one side of the translation plate (1801) is fixedly connected to the support (17), sliders (1802) are fixedly provided on both sides of the translation plate (1801), inner walls on both sides of the bracket (11) are provided with slide grooves (24), the sliders (1802) are slidably connected to the slide grooves (24), both sides of the bottom end of the translation plate (1801) are respectively fixedly connected to both sides of the top end of the vertical plate (19) through connecting rods (1803), two slideways (15) are provided on both sides of the bottom end of the bracket (11), and the connecting rods (1803) are slidably connected to the slideways (15).

8. The aerospace inertial navigation instrument with integrated collision protection according to claim 7, characterized in that: Two rod grooves (10) are provided on both sides of the top cover (9), and the limiting rod (20) is slidably connected to the rod groove (10); two limiting grooves (8) are provided on one side of the clamping frame (7), and the limiting rod (20) is snap-fittedly connected to the limiting groove (8).

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