Integrated base line support of inertial navigation system

Abstract

The utility model relates to the technical field of inertial navigation, and discloses an inertial navigation system integrated base line support which comprises a support body, a damping device and an adjusting device, the damping device is arranged at the top of the support body, and the adjusting device is arranged at the top of the damping device. The support body is composed of a supporting plate, an insulating mounting plate, a double-screw-head supporting rod, a bent-head inclined strut angle steel and a top plate, the insulating mounting plate is fixedly mounted in the supporting plate, the double-screw-head supporting rod is mounted at the top of the supporting plate in a threaded mode, and the bent-head inclined strut angle steel is fixedly mounted at the top of the supporting plate. According to the integrated base line support of the inertial navigation system, a threaded rod can be rotated by rotating a handle, an inertial sensor can be fixed by a clamping plate, and an arranged second spring can replace different damping spring assemblies according to the quality of an antenna so as to filter invalid vibration; the movable body can be fixed at different positions on the surface of the I-shaped steel by arranging the elastic bolt, the position of the inertial sensor can be adjusted, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of inertial navigation, and particularly relates to an integrated baseline bracket for an inertial navigation system. Background Technique

[0002] In an inertial navigation system, as a key component for supporting and fixing inertial sensors, the performance of the baseline bracket is directly related to the accuracy and stability of the entire system. The traditional baseline bracket design often has a complex structure, which not only increases the weight and volume of the system, but also may cause many inconveniences during installation and maintenance. These complex structures may also introduce additional error sources, further affecting the performance of the inertial navigation system.

[0003] With the rapid development of technology, especially the continuous progress in fields such as aerospace, autonomous driving, and deep-sea exploration, the requirements for the accuracy and stability of inertial navigation systems are increasing day by day. The traditional baseline bracket design has been difficult to meet these high-standard requirements. Therefore, it is particularly urgent to develop a new type of integrated baseline bracket. Content of the Utility Model

[0004] The purpose of the utility model is to provide an integrated baseline bracket for an inertial navigation system to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An integrated baseline bracket for an inertial navigation system, comprising a bracket body, a shock absorption device, and an adjustment device. The shock absorption device is arranged on the top of the bracket body, and the adjustment device is arranged on the top of the shock absorption device.

[0006] The bracket body is composed of a support plate, an insulating mounting plate, a double-screw head rod, an elbow diagonal brace angle steel, and a top plate. The insulating mounting plate is fixedly installed inside the support plate. The double-screw head rod is threadedly installed on the top of the support plate. The elbow diagonal brace angle steel is fixedly installed on the top of the support plate. The top plate is fixedly installed on the top of the elbow diagonal brace angle steel.

[0007] The shock absorption device is composed of a damper, a sliding rod, a first spring, and an I-beam. The damper is fixedly installed on the top of the top plate. The sliding rod is slidably installed inside the top plate. The first spring is sleeved on the surface of the sliding rod. The I-beam is fixedly installed on the top of the sliding rod.

[0008] Preferably, the adjusting device is composed of a moving body, a mounting box, a threaded rod, a threaded sleeve, a fixing block, a moving rod, a clamping plate, and a connecting plate. The moving body is slidably installed outside the I-beam. The mounting box is fixedly installed on the top of the moving body. The threaded rod is rotatably installed inside the mounting box. The threaded sleeve is threadedly installed on the surface of the threaded rod. The fixing block is fixedly installed on the top of the threaded sleeve. The moving rod is slidably installed inside the fixing block. The clamping plate is fixedly installed at one end of the moving rod. The connecting plate is fixedly installed at the other end of the moving rod.

[0009] Preferably, the top of the double-screw head rod is threadedly connected to the top plate.

[0010] Preferably, one end of the first spring abuts against the top plate, and the other end of the first spring abuts against the I-beam. A limiting piece is fixedly installed at the bottom of the sliding rod. The first spring is provided to reset the I-beam, and the limiting piece is provided to limit the position of the sliding rod.

[0011] Preferably, a tightening bolt is provided on the side of the moving body. By providing the tightening bolt, the moving body can be fixed at different positions on the surface of the I-beam.

[0012] Preferably, a rotating handle is provided on the side of the threaded rod. By providing the rotating handle, the threaded rod can be rotated.

[0013] Preferably, a second spring is sleeved on the surface of the moving rod. One end of the second spring is fixedly connected to the fixing block, and the other end of the second spring is fixedly connected to the connecting plate. The second spring is provided to reset the clamping plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) The integrated baseline bracket of the inertial navigation system can rotate the threaded rod through the rotating handle, so that the clamping plate can fix the inertial sensor. The provided second spring can prevent the clamping plate from damaging the inertial sensor. The tightening bolt can fix the moving body at different positions on the surface of the I-beam, and the position of the inertial sensor can be adjusted, with strong practicability.

[0016] (2) The integrated baseline bracket of the inertial navigation system is installed on an external aircraft through the insulating mounting plate. The first spring is provided to shock-absorb the inertial sensor to reduce the influence of external vibration on the measurement accuracy of the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2Schematic diagram of the pallet, insulating mounting plate and double-screw head support rod structure of the present utility model;

[0019] Figure 3 Schematic diagram of the damper, sliding rod and first spring structure of the present utility model;

[0020] Figure 4 Schematic diagram of the I-beam, moving body and installation box structure of the present utility model;

[0021] Figure 5 Schematic diagram of the fixed block, moving rod and clamping plate structure of the present utility model.

[0022] In the figure: 1. Bracket body; 101. Pallet; 102. Insulating mounting plate; 103. Double-screw head support rod; 104. Elbow diagonal bracing angle steel; 105. Top plate; 2. Shock-absorbing device; 201. Damper; 202. Sliding rod; 203. First spring; 204. I-beam; 3. Adjusting device; 301. Moving body; 302. Installation box; 303. Threaded rod; 304. Threaded sleeve; 305. Fixed block; 306. Moving rod; 307. Clamping plate; 308. Connecting plate. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: an integrated baseline bracket for an inertial navigation system, including a bracket body 1, a shock-absorbing device 2, and an adjusting device 3. The shock-absorbing device 2 is arranged on the top of the bracket body 1, and the adjusting device 3 is arranged on the top of the shock-absorbing device 2.

[0025] The bracket body 1 is composed of a pallet 101, an insulating mounting plate 102, a double-screw head support rod 103, an elbow diagonal bracing angle steel 104, and a top plate 105. The insulating mounting plate 102 is fixedly installed inside the pallet 101. The double-screw head support rod 103 is threadedly installed on the top of the pallet 101. The elbow diagonal bracing angle steel 104 is fixedly installed on the top of the pallet 101. The top plate 105 is fixedly installed on the top of the elbow diagonal bracing angle steel 104. The top of the double-screw head support rod 103 is threadedly connected to the top plate 105.

[0026] The shock absorption device 2 is composed of a damper 201, a slide bar 202, a first spring 203, and an I-beam 204. The damper 201 is fixedly installed on the top of the top plate 105. The slide bar 202 is slidably installed inside the top plate 105. The first spring 203 is sleeved on the surface of the slide bar 202. The I-beam 204 is fixedly installed on the top of the slide bar 202. One end of the first spring 203 abuts against the top plate 105, and the other end of the first spring 203 abuts against the I-beam 204. A limiting piece is fixedly installed at the bottom of the slide bar 202. The first spring 203 is provided to reset the I-beam 204, and the limiting piece is provided to limit the position of the slide bar 202.

[0027] The adjusting device 3 is composed of a moving body 301, a mounting box 302, a threaded rod 303, a threaded sleeve 304, a fixed block 305, a moving rod 306, a clamping plate 307, and a connecting plate 308. The moving body 301 is slidably installed outside the I-beam 204. A tightening bolt is provided on the side of the moving body 301. By setting the tightening bolt, the moving body 301 can be fixed at different positions on the surface of the I-beam 204. The mounting box 302 is fixedly installed on the top of the moving body 301. The threaded rod 303 is rotatably installed inside the mounting box 302. A rotating handle is provided on the side of the threaded rod 303. By setting the rotating handle, the threaded rod 303 can be rotated. The threaded sleeve 304 is threadedly installed on the surface of the threaded rod 303. The fixed block 305 is fixedly installed on the top of the threaded sleeve 304. The moving rod 306 is slidably installed inside the fixed block 305. The clamping plate 307 is fixedly installed at one end of the moving rod 306. The connecting plate 308 is fixedly installed at the other end of the moving rod 306. A second spring is sleeved on the surface of the moving rod 306. One end of the second spring is fixedly connected to the fixed block 305, and the other end of the second spring is fixedly connected to the connecting plate 308. The second spring is provided to reset the clamping plate 307.

[0028] During use, an external inertial sensor is placed on the top of the mounting box 302. By rotating the rotating handle, the threaded rod 303 can be rotated, so that the clamping plate 307 can fix the inertial sensor. The provided second spring can prevent the clamping plate 307 from damaging the inertial sensor. The tightening bolt is provided to fix the moving body 301 at different positions on the surface of the I-beam 204, so as to adjust the position of the inertial sensor. The bracket is installed on an external aircraft through the insulating mounting plate 102. The first spring 203 is provided to shock-absorb the inertial sensor.

[0029] It should be noted that in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An integrated baseline bracket for an inertial navigation system, comprising a bracket body (1), a shock absorption device (2), and an adjustment device (3), characterized in that: The shock absorber (2) is arranged at the top of the bracket body (1), and the adjusting device (3) is arranged at the top of the shock absorber (2). The bracket body (1) consists of a support plate (101), an insulating mounting plate (102), a double-screw head rod (103), an elbow-shaped diagonal bracing angle steel (104), and a top plate (105). The insulating mounting plate (102) is fixedly installed inside the support plate (101), the double-screw head rod (103) is threadedly installed on the top of the support plate (101), the elbow-shaped diagonal bracing angle steel (104) is fixedly installed on the top of the support plate (101), and the top plate (105) is fixedly installed on the top of the elbow-shaped diagonal bracing angle steel (104). The shock absorber (2) consists of a damper (201), a sliding rod (202), a first spring (203), and an I-beam (204). The damper (201) is fixedly installed on the top of the top plate (105), the sliding rod (202) is slidably installed inside the top plate (105), the first spring (203) is sleeved on the surface of the sliding rod (202), and the I-beam (204) is fixedly installed on the top of the sliding rod (202).

2. The integrated baseline bracket of an inertial navigation system according to claim 1, wherein: The adjusting device (3) consists of a moving body (301), a mounting box (302), a threaded rod (303), a threaded sleeve (304), a fixing block (305), a moving rod (306), a clamping plate (307), and a connecting plate (308). The moving body (301) is slidably installed outside the I-beam (204), the mounting box (302) is fixedly installed on the top of the moving body (301), the threaded rod (303) is rotatably installed inside the mounting box (302), the threaded sleeve (304) is threadedly installed on the surface of the threaded rod (303), the fixing block (305) is fixedly installed on the top of the threaded sleeve (304), the moving rod (306) is slidably installed inside the fixing block (305), the clamping plate (307) is fixedly installed at one end of the moving rod (306), and the connecting plate (308) is fixedly installed at the other end of the moving rod (306).

3. An integrated baseline bracket for an inertial navigation system according to claim 1, characterized in that: The top of the double-screw head rod (103) is threadedly connected to the top plate (105).

4. An integrated baseline bracket for an inertial navigation system according to claim 1, characterized in that: One end of the first spring (203) abuts against the top plate (105), the other end of the first spring (203) abuts against the I-beam (204), and a limiting piece is fixedly installed at the bottom of the sliding rod (202).

5. An integrated baseline bracket for an inertial navigation system according to claim 2, characterized in that: A tightening bolt is arranged on the side of the moving body (301).

6. An integrated baseline bracket for an inertial navigation system according to claim 2, characterized in that: A rotating handle is arranged on the side of the threaded rod (303).

7. An integrated baseline bracket for an inertial navigation system according to claim 2, characterized in that: A second spring is sleeved on the surface of the moving rod (306). One end of the second spring is fixedly connected to the fixing block (305), and the other end of the second spring is fixedly connected to the connecting plate (308).

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