CN215491750U

CN215491750U - Pure inertial navigation device

Info

Publication number: CN215491750U
Application number: CN202121448722.5U
Authority: CN
Inventors: 濮存敏; 吴家琴
Original assignee: Nanjing Rongxun Yanchuang Technology Co ltd
Current assignee: Nanjing Rongxun Yanchuang Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-11
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a pure inertial navigation device, which comprises an inertial navigator, wherein L-shaped limiting plates are fixed at the front end and the rear end of the inertial navigator respectively, a plurality of limiting clamping grooves are drilled on the side walls of the top ends, far away from the inertial navigator, of the two L-shaped limiting plates, the two L-shaped limiting plates are connected with a quick-release mechanism through the limiting clamping grooves, the quick-release mechanism comprises an installation base and two U-shaped movable clamping blocks, and the pure inertial navigation device has the following beneficial effects that: the mounting base is mounted at a proper position through four mounting screws, the inertial navigator can be inserted into the quick-release mechanism through the L-shaped limiting plates on the two sides and is clamped with the limiting clamping grooves formed in the side walls of the limiting clamping block after being inserted, so that the inertial navigator can be quickly separated from the mounting base, and the mounting base is convenient to mount and dismount, simple to operate and good in practicability and popularization.

Description

Pure inertial navigation device

Technical Field

The utility model relates to a pure inertial navigation device, belonging to the technical field of inertial navigation instruments.

Background

The inertial navigation system is also called as an inertial reference system, is an autonomous navigation system 1 which does not depend on external information and does not radiate energy to the outside (such as radio navigation), the working environment of the autonomous navigation system 1 not only comprises air and ground, but also can obtain information such as speed, yaw angle, position and the like in a navigation coordinate system by measuring the acceleration of a carrier in the inertial reference system, integrating the acceleration into time and transforming the acceleration into the navigation coordinate system on the basis of Newton's law of mechanics;

however, in the prior art, the quick-release base used in the installation or test of the inertial navigator is in limit connection through bolts, and the assembly and disassembly are complicated, so that the effect of quick assembly and disassembly cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The present invention provides a pure inertial navigation device for solving the above problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the pure inertial navigation device comprises an inertial navigator, wherein L-shaped limiting plates are fixed at the front end and the rear end of the inertial navigator respectively, a plurality of limiting clamping grooves are formed in the side wall of the top end, away from the inertial navigator, of each of the two L-shaped limiting plates, each of the two L-shaped limiting plates is connected with a quick-release mechanism through the limiting clamping grooves, each quick-release mechanism comprises an installation base and two U-shaped movable clamping blocks, instrument body side baffles are fixed at the two ends of the top of the installation base respectively, built-in movable grooves are formed in the front end and the rear end, located on the two instrument body side baffles, of the installation base respectively, a built-in movable shaft is movably connected in each built-in movable groove, movable clamping grooves are formed in the side walls, close to the two U-shaped movable clamping blocks, of the two U-shaped movable clamping blocks are located on the outer side walls above the movable clamping grooves and are fixed with a plurality of limiting clamping blocks.

Preferably, the bottoms of the two U-shaped movable clamping blocks are respectively connected with the tops of the built-in movable shafts in the two built-in movable grooves.

Preferably, the outer walls of the bottom ends of the two sides of the inertial navigator are respectively in contact with one side, close to the two mounting screws, of the two mounting screws.

Preferably, the four corners of the mounting base are provided with mounting screws in an inserted manner.

Preferably, the inner diameter of the movable clamping groove is equal to the outer diameter of the L-shaped limiting plate far away from one side of the limiting clamping groove, and the L-shaped limiting plate far away from one side of the limiting clamping groove is connected with the U-shaped movable clamping block in an inserting mode through the movable clamping groove.

Preferably, the two U-shaped movable clamping blocks are clamped with the limiting clamping grooves in the side walls of the L-shaped limiting plates through limiting clamping blocks.

The utility model has the following beneficial effects: the mounting base is mounted at a proper position through four mounting screws, the inertial navigator can be inserted into the quick-release mechanism through the L-shaped limiting plates on the two sides and is clamped with the limiting clamping grooves formed in the side walls of the limiting clamping block after being inserted, so that the inertial navigator can be quickly separated from the mounting base, and the mounting base is convenient to mount and dismount, simple to operate and good in practicability and popularization.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a built-in movable groove of the present invention;

fig. 3 is a schematic diagram of a split structure of the U-shaped movable clamping block and the L-shaped limiting plate of the utility model.

In the figure: 1. an inertial navigator; 2. a quick release mechanism; 21. installing a base; 22. mounting screws; 23. an instrument body side baffle; 24. a movable groove is arranged inside; 25. a movable shaft is arranged inside; 26. a U-shaped movable clamping block; 27. a movable clamp groove; 28. a limiting clamping block; 3. an L-shaped limiting plate; 4. limiting clamping grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, a pure inertial navigation device, including inertial navigator 1, both ends all are fixed with L type limiting plate 3 around inertial navigator 1, the top lateral wall that two L type limiting plates 3 keep away from inertial navigator 1 all cuts a plurality of spacing draw-in grooves 4, two L type limiting plates 3 all are connected with quick detach mechanism 2 through spacing draw-in grooves 4, quick detach mechanism 2 includes installation base 21 and two U type activity clamp splice 26, installation base 21 top both ends all are fixed with instrument body side shield 23, installation base 21 is located both ends around two instrument body side shields 23 and all cuts built-in movable groove 24, equal swing joint has built-in loose axle 25 in two built-in movable grooves 24, the lateral wall that two U type activity clamp splice 26 are close to mutually all cuts movable clamp groove 27, two U type activity clamp splice 26 all are located the lateral wall above movable clamp groove 27 and are fixed with a plurality of spacing fixture blocks 28.

The bottoms of the two U-shaped movable clamping blocks 26 are respectively connected with the tops of the built-in movable shafts 25 in the two built-in movable grooves 24, so that the U-shaped movable clamping blocks 26 can move conveniently during disassembly and assembly.

The outer walls of the bottom ends of the two sides of the inertial navigator 1 are respectively in contact with one side, close to the two mounting screws 22, so that the two sides of the inertial navigator 1 can be conveniently clamped.

Mounting screws 22 are inserted at four corners of the mounting base 21, so that the mounting base 21 can be conveniently connected at a proper position.

The inner diameter of two movable clamping grooves 27 is equal to the outer diameter of the L-shaped limiting plate 3 far away from one side of the limiting clamping groove 4, and one side of the two L-shaped limiting plates 3 far away from the limiting clamping groove 4 is connected with the U-shaped movable clamping block 26 in an inserting mode through the movable clamping grooves 27, and after the inertial navigator 1 is installed, the inertial navigator 1 can be well limited.

The two U-shaped movable clamping blocks 26 are clamped with the limiting clamping grooves 4 on the side walls of the L-shaped limiting plates 3 through the limiting clamping blocks 28, so that after the inertial navigator 1 is limited, the stability is improved.

Specifically, when the utility model is used, the mounting base 21 of the quick release mechanism 2 is limited and mounted at a proper position through four mounting screws 22, when the inertial navigator 1 is mounted, two sides of the inertial navigator are clamped between two instrument side baffles 23, one end of each of the two sides of the inertial navigator 1, from which the L-shaped limiting plates 3 extend, is inserted into the movable clamping grooves 27 of the two U-shaped movable clamping blocks 26 and is pressed downwards continuously to drive one end of each of the U-shaped movable clamping blocks 26, which is close to the corresponding end, to the top of the mounting base 21, to move through the built-in movable shaft 25 until the two L-shaped limiting plates 3 are completely inserted into the movable clamping grooves 27, at the moment, the limiting clamping blocks 28 on the side walls of the U-shaped movable clamping blocks 26 are clamped with the limiting clamping grooves 4 on the side walls of the L-shaped limiting plates 3 to limit the two L-shaped limiting plates 3, so that the inertial navigator 1 completes quick mounting work, when the inertial navigator 1 needs to be dismounted, two ends of the outer wall of the inertial navigator 1 are held, and the L-shaped limiting plates 3 are lifted upwards by force, and are driven to be clamped and separated with the U-shaped movable clamping blocks 26 and to be drawn out from the movable clamping grooves 27 by upward force application, so that the effect of quick disassembly is achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pure inertial navigation device, its characterized in that, including inertial navigation appearance (1), both ends all are fixed with L type limiting plate (3) around inertial navigation appearance (1), two the top lateral wall that inertial navigation appearance (1) was kept away from to L type limiting plate (3) all cuts a plurality of spacing draw-in grooves (4), two L type limiting plate (3) all are connected with quick detach mechanism (2) through spacing draw-in groove (4), quick detach mechanism (2) are including installation base (21) and two U type activity clamp splice (26), installation base (21) top both ends all are fixed with appearance body side shield (23), installation base (21) are located both ends around two appearance body side shield (23) and all cut built-in activity groove (24), two equal swing joint has built-in loose axle (25) in built-in activity groove (24), two lateral wall that U type activity clamp splice (26) are close to mutually all cuts a movable clamp groove (27), and a plurality of limiting clamping blocks (28) are fixed on the outer side wall of each of the two U-shaped movable clamping blocks (26) above the movable clamping groove (27).

2. Pure inertial navigation unit according to claim 1, characterised in that the two U-shaped mobile clamping blocks (26) are connected at their bottom with the top of the internal mobile shaft (25) in the two internal mobile slots (24), respectively.

3. Pure inertial navigation unit according to claim 1, characterised in that the external walls of the two lateral bottom ends of the inertial navigator (1) are in contact with the sides of the two mounting screws (22) that are close to each other.

4. Pure inertial navigation unit according to claim 1, characterised in that mounting screws (22) are inserted at the four corners of the mounting base (21).

5. The pure inertial navigation device according to claim 1, characterized in that the inner diameter of the two movable clamping grooves (27) is equal to the outer diameter of the side of the L-shaped limiting plate (3) away from the limiting clamping groove (4), and the side of the two L-shaped limiting plates (3) away from the limiting clamping groove (4) is inserted into the U-shaped movable clamping block (26) through the movable clamping grooves (27).

6. The pure inertial navigation unit according to claim 1, characterized in that both of the U-shaped movable clamping blocks (26) are clamped with the limiting clamping grooves (4) on the side walls of the L-shaped limiting plate (3) by the limiting clamping blocks (28).