Inertial navigator with protective structure

Abstract

The utility model relates to the technical field of aerospace, and discloses an inertial navigator with a protective structure, which comprises a base and a shell arranged on the upper surface of the base, the back of the shell is hinged with an opening and closing cover by installing two groups of hinges, and the inner wall of the base is connected with a placing table in a sliding manner. According to the inertial navigator with the protection structure, a first spring, a placement table, a gland, a second spring and a U-shaped sliding frame are used in cooperation, so that an inertial navigator body is located between the gland and the placement table, the first spring applies pressure to the placement table, and the second spring applies pressure to the gland through the U-shaped sliding frame; and when the device falls and is impacted, the first spring or the second spring is compressed, and the first spring or the second spring is used for damping and buffering the inertial navigator body, so that the probability that the inertial navigator body is impacted and damaged is further reduced, and the safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerospace, in particular to an inertial navigator with a protective structure. Background Art

[0002] The inertial navigation system, also known as the inertial reference system, is an autonomous navigation system that does not rely on external information or external radiation energy. The basic working principle of inertial navigation is based on Newton's laws of mechanics. By measuring the acceleration of the carrier in the inertial reference system, integrating it with time, and transforming it into the navigation coordinate system, the speed, yaw angle, position and other information in the navigation coordinate system can be obtained. Inertial navigators are widely used in the aerospace field, and their carriers are also diverse; but existing inertial navigators usually lack an outer protective mechanism, the use environment of inertial navigators is complex, and they are easily damaged when dropped or bumped, and their safety is insufficient. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides an inertial navigation device with a protective structure, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inertial navigator with a protective structure, comprising a base and a shell arranged on the upper surface of the base, the back of the shell being hinged with an opening and closing cover by installing two sets of pages, the inner wall of the base being slidably connected to a placement table, the upper surface of the placement table being provided with a placement groove, five groups of first springs being provided on the inner wall of the bottom of the base, the left and right sides of the shell being provided with sliding grooves, the inner walls of the sliding grooves being fixedly connected to sliding rods, the outer surface of the sliding rod being slidably connected to a U-shaped slide, the inner side surface of the U-shaped slide being fixedly connected to a pressure cover, the outer surface of the sliding rod being sleeved with a second spring, and an inertial navigator body being provided between the pressure cover and the placement table.

[0007] Preferably, connecting screws are inserted at the four corners of the lower surface of the base, the connecting screws are threadedly connected to the lower surface of the shell, three groups of plug plates are fixedly connected to the lower surface of the shell, and slots adapted to the plug plates are provided on the upper surface of the base.

[0008] Preferably, the front of the opening and closing cover is buckled with the base by installing two sets of lock buckles, a pull ring is fixedly connected to the bottom of the front of the opening and closing cover, two sets of sealing strips are fixedly connected to the outer surface of the shell, and a sealing groove compatible with the sealing strip is opened on the outer surface of the opening and closing cover.

[0009] Preferably, the left side and the right side of the placement table are fixedly connected with rectangular sliding blocks, and the inner wall of the base is provided with rectangular sliding grooves adapted to the rectangular sliding blocks.

[0010] Preferably, a buffer pad is fixedly connected to the left inner wall and the right inner wall of the shell, and the buffer pad is made of rubber.

[0011] Preferably, the base, the shell and the opening and closing cover are all made of aluminum alloy, and the outer surfaces of the base, the shell and the opening and closing cover are all anodized.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides an inertial navigation device with a protective structure, which has the following beneficial effects:

[0014] 1. The inertial navigation device with a protective structure is used in conjunction with a first spring, a placement table, a pressure cover, a second spring and a U-shaped slide, so that the inertial navigation device body is located between the pressure cover and the placement table, the first spring applies pressure to the placement table, and the second spring applies pressure to the pressure cover through the U-shaped slide, so that the inertial navigation device body is buffered by the upper and lower springs. When the device encounters a fall or impact, the first spring or the second spring is compressed, and the first spring or the second spring provides shock absorption and buffering for the inertial navigation device body, thereby further reducing the probability of the inertial navigation device body being damaged by impact and improving the safety of the device.

[0015] 2. The inertial navigation device with a protective structure is used in conjunction with an outer shell, an opening and closing cover, a base and a connecting screw, so that the outer shell, the opening and closing cover and the base play a certain anti-collision and sealing function for the outer side of the inertial navigation device body, thereby reducing the probability of the inertial navigation device body being bumped and entering dust and water, and improving the protection quality of the device for the inertial navigation device body. At the same time, the connecting screw can be removed to take out the inertial navigation device body, which is convenient for the staff to inspect and repair the inertial navigation device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 , Figure 3 , Figure 4 , Figure 5 It is a schematic diagram of the structure of the utility model.

[0018] In the figure: 1. base; 2. shell; 201. sliding groove; 3. opening and closing cover; 4. placement table; 401. placement groove; 5. first spring; 6. sliding rod; 7. U-shaped slide; 8. pressure cover; 9. second spring; 10. inertial navigation unit body; 11. connecting screw; 12. plug plate; 13. lock; 14. pull ring; 15. buffer pad; 16. hinge. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 The utility model provides a technical solution: an inertial navigation device with a protective structure, comprising a base 1 and a shell 2 arranged on the upper surface of the base 1, the back of the shell 2 is hinged with an opening and closing cover 3 by installing two sets of pages 16, the inner wall of the base 1 is slidably connected with a placement platform 4, the upper surface of the placement platform 4 is provided with a placement groove 401, and the bottom inner wall of the base 1 is provided with five groups of first springs 5, the left and right sides of the shell 2 are provided with sliding grooves 201, the inner wall of the sliding groove 201 is fixedly connected with a sliding rod 6, the outer surface of the sliding rod 6 is slidably connected with a U-shaped slide 7, the inner side of the U-shaped slide 7 is fixedly connected with a pressure cover 8, the outer surface of the sliding rod 6 is sleeved with a second spring 9, an inertial navigation device body 10 is arranged between the pressure cover 8 and the placement platform 4, and the inertial navigation device body 10 is located between the pressure cover 8 and the placement platform 4 through the cooperation of the first spring 5, the placement platform 4, the pressure cover 8, the second spring 9 and the U-shaped slide 7, and the first spring 5 is used to press the placement platform 4. When the first spring 5 or the second spring 9 is pressed against the pressure cover 8 by the U-shaped slide 7, the inertial navigation device body 10 is buffered by the upper and lower springs. When the device encounters a fall or impact, the first spring 5 or the second spring 9 is compressed, and the first spring 5 or the second spring 9 provides shock absorption and buffering for the inertial navigation device body 10, thereby further reducing the probability of the inertial navigation device body 10 being damaged by impact and improving the safety of the device. The outer shell 2, the opening and closing cover 3, the base 1 and the connecting screw 11 are used in combination, so that the outer shell 2, the opening and closing cover 3 and the base 1 have a certain anti-collision and sealing function for the outer side of the inertial navigation device body 10, thereby reducing the probability of the inertial navigation device body 10 being bumped and entering dust and water, and improving the protection quality of the device for the inertial navigation device body 10. At the same time, the connecting screw 11 can be removed to take out the inertial navigation device body 10, which is convenient for the staff to inspect and repair the inertial navigation device body 10.

[0021] In the utility model, in order to further facilitate the installation of the inertial navigation device body 10, connecting screws 11 are inserted at the four corners of the lower surface of the base 1, and the connecting screws 11 are threadedly connected to the lower surface of the shell 2. Three groups of plug plates 12 are fixedly connected to the lower surface of the shell 2. The upper surface of the base 1 is provided with slots adapted to the plug plates 12, so that the staff can separate the shell 2 and the base 1, thereby further facilitating the installation of the inertial navigation device body 10.

[0022] In the utility model, in order to further enhance the sealing performance of the opening and closing cover 3, two sets of lock buckles 13 are installed on the front of the opening and closing cover 3 to buckle with the base 1, a pull ring 14 is fixedly connected to the bottom of the front of the opening and closing cover 3, two sets of sealing strips are fixedly connected to the outer surface of the shell 2, and a sealing groove matched with the sealing strip is provided on the outer surface of the opening and closing cover 3. By arranging the sealing strip and the sealing groove, the sealing performance of the opening and closing cover 3 is further enhanced.

[0023] In the utility model, in order to further enhance the stability of the movement of the placement table 4, rectangular sliders are fixedly connected to the left and right sides of the placement table 4, and a rectangular slide groove compatible with the rectangular slider is opened on the inner wall of the base 1, so that the rectangular slider and the rectangular slide groove can limit the placement table 4 and stabilize its movement trajectory, thereby further enhancing the stability of the movement of the placement table 4.

[0024] In the present invention, in order to further enhance the protective performance of the device, a buffer pad 15 is fixedly connected to the left inner wall and the right inner wall of the shell 2. The buffer pad is made of rubber, so that the buffer pad 15 plays a buffering and shock-absorbing role on the left and right sides of the inertial navigation device body 10, thereby further enhancing the protective performance of the device.

[0025] In the utility model, in order to further enhance the anti-rust performance of the device, the base 1, the shell 2 and the opening and closing cover 3 are all made of aluminum alloy, and the outer surfaces of the base 1, the shell 2 and the opening and closing cover 3 are all anodized. By setting the material of the device, the anti-rust performance of the device is further enhanced.

[0026] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0027] When in use, remove the connecting screw 11, separate the shell 2 from the base 1, place the inertial navigation device body 10 inside the placement groove 401, reinstall the shell 2, cover the upper surface of the inertial navigation device body 10 with the pressure cover 8, press down the shell 2, compress the first spring 5 and the second spring 9 to a certain extent, install the connecting screw 11, and then fix the shell 2 to the base 1, open the lock 13, open the opening and closing cover 3, and then use the inertial navigation device body 10. When the device falls to the ground, the pressure cover 8 and the placement table 4 move up and down due to the impact force, and the first spring 5 or the second spring 9 is compressed. The first spring 5 or the second spring 9 reduces the shock and buffers the inertial navigation device body 10, and the buffer pad 15 buffers the left and right sides of the inertial navigation device body 10.

[0028] Although the 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 inertial navigation device with a protective structure, comprising a base (1) and a housing (2) arranged on the upper surface of the base (1), characterized in that: The back of the shell (2) is hinged with an opening and closing cover (3) by installing two sets of leaves (16); the inner wall of the base (1) is slidably connected to a placement table (4); the upper surface of the placement table (4) is provided with a placement groove (401); the bottom inner wall of the base (1) is provided with five groups of first springs (5); the left and right sides of the shell (2) are provided with sliding grooves (201); the inner wall of the sliding groove (201) is fixedly connected to a sliding rod (6); the outer surface of the sliding rod (6) is slidably connected to a U-shaped slide (7); the inner side of the U-shaped slide (7) is fixedly connected to a pressure cover (8); the outer surface of the sliding rod (6) is sleeved with a second spring (9); an inertial navigation device body (10) is provided between the pressure cover (8) and the placement table (4).

2. The inertial navigation device with a protective structure according to claim 1, characterized in that: The four corners of the lower surface of the base (1) are all inserted with connecting screws (11), the connecting screws (11) are threadedly connected to the lower surface of the shell (2), the lower surface of the shell (2) is fixedly connected with three groups of plug plates (12), and the upper surface of the base (1) is provided with slots that are compatible with the plug plates (12).

3. The inertial navigation device with a protective structure according to claim 1, characterized in that: The front of the opening and closing cover (3) is buckled with the base (1) by installing two sets of lock buckles (13); a pull ring (14) is fixedly connected to the bottom of the front of the opening and closing cover (3); two sets of sealing strips are fixedly connected to the outer surface of the shell (2); and a sealing groove matched with the sealing strip is provided on the outer surface of the opening and closing cover (3).

4. The inertial navigation device with a protective structure according to claim 1, characterized in that: The left side and the right side of the placement platform (4) are both fixedly connected with rectangular sliding blocks, and the inner wall of the base (1) is provided with rectangular sliding grooves adapted to the rectangular sliding blocks.

5. The inertial navigation device with a protective structure according to claim 1, characterized in that: The left inner wall and the right inner wall of the outer shell (2) are both fixedly connected with a buffer pad (15), and the material of the buffer pad is rubber.

6. The inertial navigation device with a protective structure according to claim 1, characterized in that: The base (1), the outer shell (2) and the opening and closing cover (3) are all made of aluminum alloy, and the outer surfaces of the base (1), the outer shell (2) and the opening and closing cover (3) are all anodized.

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