Small high-precision optical fiber inertial navigator

Abstract

The invention relates to the technical field of inertial navigators, and discloses a small high-precision optical fiber inertial navigator which comprises a bottom plate and a main body, a bottom block is fixedly mounted on the upper side of the bottom plate, square plates are fixedly mounted on the left side and the right side of the bottom block, and square frames are fixedly mounted on the sides, close to each other, of the two square plates; two air bags a are fixedly installed on the sides, close to each other, of the two square frames, after the main body is placed on the bottom block, the two movable plates are rotated forwards and backwards to be erected, then the top plate can be moved downwards, accordingly, the two transverse strips are movably connected with the two transverse grooves correspondingly, and meanwhile the two vertical plates are driven to enter the two square frames correspondingly; in this way, the four triangular blocks and the four vertical bars can be driven to extrude the four air bags b, then air in the air bags b can be extruded into the air bags a, the air bags a can be attached to the main body, and therefore damage caused by collision when the main body is buffered in the carrying process can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of inertial navigation instruments, in particular to a small-sized high-precision optical fiber inertial navigation instrument. Background Art

[0002] A high-precision fiber-optic inertial navigator is a device that uses sensors such as fiber-optic gyroscopes and accelerometers to achieve high-precision navigation and positioning through fiber-optic communication technology. This navigator has the advantages of small size, light weight, high precision, and good reliability. It is widely used in aviation, aerospace, navigation, military and other fields. The existing high-precision fiber-optic inertial navigators need to be moved during use. The existing high-precision fiber-optic inertial navigators are not large in size for easy carrying, but are prone to collision during transportation, which will cause damage to the high-precision fiber-optic inertial navigator, thereby affecting the use of the high-precision fiber-optic inertial navigator. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a small-sized high-precision fiber-optic inertial navigation system, which has the advantages of avoiding damage caused by collision when buffering the main body during transportation, etc., and solves the problem that the existing high-precision fiber-optic inertial navigation system needs to be moved during use, and the existing high-precision fiber-optic inertial navigation system is not large in size for easy carrying, but is prone to collision during transportation, which will cause damage to the high-precision fiber-optic inertial navigation system, thereby affecting the use of the high-precision fiber-optic inertial navigation system.

[0004] In order to achieve the above-mentioned purpose of avoiding damage caused by collision when buffering the main body during transportation, the present invention provides the following technical solutions: a small high-precision fiber optic inertial navigator comprises a bottom plate and a main body, a bottom block is fixedly installed on the upper side of the bottom plate, square plates are fixedly installed on the left and right sides of the bottom block, square frames are fixedly installed on the sides where the two square plates are close to each other, two air bags a are fixedly installed on the sides where the two square frames are close to each other, two air bags b are fixedly installed in the two square frames, four air bags b are fixedly connected with hoses, and the four hoses are fixedly passed through the two square frames and are respectively fixedly connected to the four air bags a, two movable plates are movably connected to the bottom plate by hinges, horizontal grooves are opened on the upper sides of the two movable plates, horizontal bars are movably connected in the two horizontal grooves, a top plate is fixedly installed on the upper sides of the two horizontal bars, two vertical plates are fixedly installed on the lower side of the top plate, vertical bars are fixedly installed on the front and rear sides of the two vertical plates, triangular blocks are fixedly installed on the lower sides of the four vertical bars, and a handle is fixedly installed on the upper side of the top plate.

[0005] Preferably, an inner groove is provided in the top plate, and two slide grooves are provided on the left and right sides of the top plate, both slide grooves are connected to the inner groove, both slide grooves are movably connected with card strips, both card strips are fixedly installed with slide plates, and pressure springs are fixedly installed on the sides where the two slide plates are close to each other, and two blocking bars are fixedly installed in the inner groove.

[0006] Preferably, the two blocking bars are respectively fixedly connected to each pressure spring, two tension ropes are movably passed through the two blocking bars, the four tension ropes are respectively fixedly connected to the two slides, the four tension ropes all movably pass through the inner wall of the inner groove, two semi-cylinders are fixedly installed on the inner wall of the inner groove, the four tension ropes respectively pass around the two semi-cylinders, lifting grooves are provided on the front and rear inner walls of the handle, lifting blocks are movably connected in the two lifting grooves, lifting rods are fixedly installed on the two lifting blocks, the four tension ropes are respectively fixedly passed through the two lifting blocks, fixed blocks are provided on the two square plates, and a card slot is provided on the side of the two fixed blocks close to each other, and the two card strips are respectively movably connected to the two card slots.

[0007] Preferably, half frames are fixedly installed on the lower sides of the two fixed blocks, the two half frames are fixedly connected to the two square plates respectively, four circular grooves are opened on the top plate, limiting columns are movably connected in the four circular grooves, the four limiting columns are fixedly connected to the two square plates respectively, sleeves are movably sleeved on the four limiting columns, the four sleeves are fixedly connected to the top plate, and soft plates are fixedly installed on the upper ends of the four sleeves.

[0008] Preferably, an annular airbag a is fixedly installed on the lower side of the top plate, an annular groove is opened on the upper side of the bottom block, an annular airbag b is fixedly installed in the annular groove, two annular airbags b are fixedly connected with air pipes, two air pipes are fixedly embedded in the bottom block, square airbags are arranged in two square frames, and the two square airbags are fixedly connected to the two air pipes respectively.

[0009] Preferably, four round blocks are fixedly mounted on the upper side of the bottom block, each of the four round blocks is provided with a notch, and the four bottom corners of the main body are movably connected to the four notches respectively.

[0010] Preferably, a mounting bar is fixedly mounted on one side of the two movable plates that are close to each other, and buffer cotton is fixedly mounted on the four mounting bars.

[0011] Compared with the prior art, the present invention provides a small high-precision fiber-optic inertial navigation system, which has the following beneficial effects: 1. The small high-precision fiber-optic inertial navigation system places the main body on the bottom block, reverses the two movable plates back and forth to make the two movable plates stand up, and then moves the top plate downward, so that the two horizontal bars are movably connected with the two horizontal grooves respectively, and at the same time drives the two vertical plates to enter the two frames respectively, so that the four triangular blocks and the four vertical bars can be driven to squeeze the four air bags b, and then the air in the air bags b can be squeezed into the inner air bags a, so that the air bags a can fit with the main body, thereby avoiding collision and damage to the main body when buffering during transportation.

[0012] 2. This small high-precision fiber-optic inertial navigation system allows the user to use the top plate by holding the handle and pulling the lifting rod upwards. This will drive the four tension ropes to drive the two slides to move closer to each other, which will drive the two card strips to move closer to each other. When the top plate is placed on the two square plates, the lifting rod can be released, and the rebound of the pressure spring will drive the two card strips to enter the two card slots respectively, so that the top plate can be fixed.

[0013] 3. This small high-precision fiber-optic inertial navigation system can be easily carried by users through two half frames. The four limit columns can be conveniently matched with four circular grooves to increase the fixing effect of the top plate. The four sleeves and four soft boards can prevent the limit columns from stabbing the user.

[0014] 4. The small high-precision fiber optic inertial navigation system can conveniently squeeze the airbags in two directions by moving the two vertical plates downward, so that the air can be squeezed into the annular airbag b, which can cooperate with the annular airbag a to further cushion the main body.

[0015] 5. This small high-precision fiber optic inertial navigation system can limit the square airbag by four notches after opening the top plate and the movable plate, so that the main body will fit with the bottom block, and then the notches can prevent the main body from sliding, which makes it convenient for users to use the main body. At the same time, the buffer cotton on the mounting strip can provide buffering for the main body when it moves forward and backward. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom plate of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the top plate of the present invention; Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the top plate of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the bottom block of the present invention; Figure 6It is a three-dimensional structural schematic diagram of the movable plate of the present invention; Figure 7 It is a schematic diagram of the cross-sectional three-dimensional structure of the frame of the present invention.

[0017] In the figure: 1, bottom plate; 2, movable plate; 3, horizontal groove; 4, horizontal bar; 5, sleeve; 6, soft plate; 7, top plate; 8, handle; 9, lifting rod; 10, clamping bar; 11, fixed block; 12, clamping groove; 13, half frame; 14, lifting groove; 15, tension rope; 16, lifting block; 17, round groove; 18, vertical plate; 19, triangular block; 20, vertical bar; 21, square plate; 22, square frame; 23 , main body; 24, limit column; 25, air pipe; 26, round block; 27, notch; 28, annular airbag b; 29, annular groove; 30, mounting strip; 31, buffer cotton; 32, slide groove; 33, slide plate; 34, pressure spring; 35, blocking strip; 36, semi-cylinder; 37, inner groove; 38, annular airbag a; 39, airbag b; 40, airbag a; 41, square airbag; 42, bottom block. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings, wherein the same components are represented by the same figure numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom surface" and "top surface" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 7The present invention provides a technical solution: a small high-precision fiber-optic inertial navigation system, comprising a bottom plate 1 and a main body 23, a bottom block 42 is fixedly installed on the upper side of the bottom plate 1, square plates 21 are fixedly installed on the left and right sides of the bottom block 42, square frames 22 are fixedly installed on the sides of the two square plates 21 close to each other, two air bags a40 are fixedly installed on the sides of the two square frames 22 close to each other, two air bags b39 are fixedly installed in the two square frames 22, four air bags b39 are fixedly connected with hoses, the four hoses are fixedly passed through the two square frames 22 and are fixedly connected with the four air bags a40 respectively, two movable plates 2 are movably connected to the bottom plate 1 through hinges, transverse grooves 3 are opened on the upper sides of the two movable plates 2, and transverse bars 4 are movably connected in the two transverse grooves 3, A top plate 7 is fixedly installed on the upper side of the two horizontal bars 4, two vertical plates 18 are fixedly installed on the lower side of the top plate 7, vertical bars 20 are fixedly installed on the front and rear sides of the two vertical plates 18, and triangular blocks 19 are fixedly installed on the lower sides of the four vertical bars 20. A handle 8 is fixedly installed on the upper side of the top plate 7. After placing the main body 23 on the bottom block 42, the two movable plates 2 are reversed front and back to make the two movable plates 2 stand upright, and then the top plate 7 can be moved downward, so that the two horizontal bars 4 are movably connected to the two horizontal grooves 3 respectively, and at the same time, the two vertical plates 18 are driven to enter the two square frames 22 respectively, so that the four triangular blocks 19 and the four vertical bars 20 can be driven to squeeze the four airbags b39, and then the air in the airbag b39 can be squeezed into the inner airbag a40, so that The airbag a40 fits with the main body 23, so as to avoid collision and damage to the main body 23 when buffering during transportation. An inner groove 37 is provided in the top plate 7, and two slide grooves 32 are provided on the left and right sides of the top plate 7. The two slide grooves 32 are connected to the inner groove 37, and the two slide grooves 32 are movably connected with a clamping strip 10, and a slide plate 33 is fixedly installed on the two clamping strips 10. A pressure spring 34 is fixedly installed on the side where the two slide plates 33 are close to each other, and two blocking strips 35 are fixedly installed in the inner groove 37. The two blocking strips 35 are respectively fixedly connected to each pressure spring 34, and two tension ropes 15 are movably penetrated in the two blocking strips 35. The four tension ropes 15 are respectively fixedly connected to the two slide plates 33, and the four tension ropes 15 are movably penetrated through the inner groove 37. The upper inner wall of the groove 37, the upper inner wall of the inner groove 37 is fixedly installed with two semi-cylinders 36, four tension ropes 15 are respectively passed around the two semi-cylinders 36, the front and rear inner walls of the handle 8 are provided with lifting grooves 14, the two lifting grooves 14 are movably connected with lifting blocks 16, the two lifting blocks 16 are fixedly installed with lifting rods 9, the four tension ropes 15 are respectively fixed and penetrate the two lifting blocks 16, and the two square plates 21 are provided with fixed blocks 11. The sides of the two fixed blocks 11 close to each other are provided with card slots 12, and the two card strips 10 are respectively movably connected with the two card slots 12. By holding the handle 8, the square plate user can use the top plate 7 and pull the lifting rod 9 upward at the same time, so that the four tension ropes 15 can drive the two slide plates 33 to move in the direction close to each other.In this way, the two card strips 10 can be driven to move in a direction close to each other. When the top plate 7 is placed on the two square plates 21, the lifting rod 9 can be released, so that the rebound of the pressure spring 34 will drive the two card strips 10 to enter the two card grooves 12 respectively, so that the top plate 7 can be fixed. The lower sides of the two fixing blocks 11 are fixedly installed with half frames 13, and the two half frames 13 are fixedly connected to the two square plates 21 respectively. Four circular grooves 17 are opened on the top plate 7, and the four circular grooves 17 are movably connected to the limit posts 24. The four limit posts 24 are fixed to the two square plates 21 respectively. The four limiting columns 24 are movably connected with sleeves 5, and the four sleeves 5 are fixedly connected to the top plate 7. The upper ends of the four sleeves 5 are fixedly installed with soft boards 6. The two half frames 13 can facilitate the user to carry the device. The four limiting columns 24 can be conveniently matched with the four circular grooves 17 to increase the fixing effect of the top plate 7. The four sleeves 5 can be matched with the four soft boards 6 to prevent the limiting columns 24 from poking the user. The lower side of the top plate 7 is fixedly installed with an annular airbag a38, and an annular groove 29 is opened on the upper side of the bottom block 42. An annular airbag b28 is fixedly installed in the annular groove 29. The two annular The airbags b28 are fixedly connected with air pipes 25, and the two air pipes 25 are fixedly embedded in the bottom block 42. The two square airbags 41 are arranged in the two square frames 22, and the two square airbags 41 are fixedly connected with the two air pipes 25 respectively. By moving the two vertical plates 18 downward, it is convenient to squeeze the airbags 41 in two directions, so that the air can be squeezed into the annular airbag b28, so that the annular airbag a38 can be used to further buffer the main body 23. Four round blocks 26 are fixedly installed on the upper side of the bottom block 42, and the four round blocks 26 are provided with notches 27. The main body 23 The four bottom corners are movably connected with four notches 27 respectively. The two movable plates 2 are fixedly installed with mounting strips 30 on the side close to each other. The four mounting strips 30 are fixedly installed with buffer cotton 31. Through the limitation of the four notches 27, after the top plate 7 and the movable plate 2 are opened, the square airbag 41 can lose the squeezing force, so that the main body 23 will fit with the bottom block 42, and then the notches 27 can be used to prevent the main body 23 from sliding, so that the user can use the main body 23 conveniently. At the same time, the buffer cotton 31 on the mounting strip can provide buffering for the main body 23 when it moves forward and backward.

[0021] When in use, the first step is: after placing the main body 23 on the bottom block 42, reverse the two movable plates 2 front and back to make the two movable plates 2 stand upright, and then move the top plate 7 downward, so that the two horizontal bars 4 are movably connected with the two horizontal grooves 3 respectively, and at the same time drive the two vertical plates 18 to enter the two square frames 22 respectively, so that the four triangular blocks 19 and the four vertical bars 20 can be driven to squeeze the four air bags b39, and then the air in the air bags b39 can be squeezed into the inner air bags a40, so that the air bags a40 can fit with the main body 23, thereby avoiding collision and damage when buffering the main body 23 during transportation.

[0022] Step 2: The user of the square board can use the top board 7 by holding the handle 8 and pulling the lifting rod 9 upwards at the same time, so that the four tension ropes 15 can drive the two slides 33 to move towards each other, so that the two clamping strips 10 can be driven to move towards each other. When the top board 7 is placed on the two square boards 21, the lifting rod 9 can be released, so that the rebound of the pressure spring 34 will drive the two clamping strips 10 to enter the two clamping grooves 12 respectively, so that the top board 7 can be fixed.

[0023] Step 3: The two half frames 13 can facilitate users to carry the device, the four limit columns 24 can cooperate with the four circular grooves 17 to increase the fixing effect of the top plate 7, and the four sleeves 5 can cooperate with the four soft boards 6 to prevent the limit columns 24 from stabbing the user.

[0024] Step 4: By moving the two vertical plates 18 downward, it is convenient to squeeze the airbags 41 in two directions, so that the air can be squeezed into the annular airbag b28, so that the annular airbag a38 can be cooperated to further cushion the main body 23.

[0025] Step 5: Through the limitation of the four notches 27, after the top plate 7 and the movable plate 2 are opened, the square airbag 41 can lose the squeezing force, so that the main body 23 will fit with the bottom block 42, and then the notches 27 can prevent the main body 23 from sliding, so that the user can use the main body 23 conveniently, and the cushioning cotton 31 on the mounting strip can provide cushioning for the main body 23 when it moves forward and backward. Although the embodiments of the present invention have been shown and described, it can be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small high-precision fiber-optic inertial navigation system, comprising a base plate (1) and a main body (23), characterized in that: A bottom block (42) is fixedly mounted on the upper side of the bottom plate (1), square plates (21) are fixedly mounted on both left and right sides of the bottom block (42), square frames (22) are fixedly mounted on the sides of the two square plates (21) close to each other, two air bags a (40) are fixedly mounted on the sides of the two square frames (22) close to each other, two air bags b (39) are fixedly mounted in the two square frames (22), and hoses are fixedly connected to the four air bags b (39), and the four hoses are fixedly passed through the two square frames (22) and are respectively connected to the four air bags a (40). The bottom plate (1) is fixedly connected, and two movable plates (2) are movably connected to each other via hinges. The upper sides of the two movable plates (2) are each provided with a transverse groove (3). The two transverse grooves (3) are each movably connected with a transverse bar (4). A top plate (7) is fixedly installed on the upper sides of the two transverse bars (4). Two vertical plates (18) are fixedly installed on the lower side of the top plate (7). The front and rear sides of the two vertical plates (18) are each fixedly installed with a vertical bar (20). The lower sides of the four vertical bars (20) are each fixedly installed with a triangular block (19). A handle (8) is fixedly installed on the upper side of the top plate (7).

2. A small high-precision fiber-optic inertial navigation system according to claim 1, characterized in that: The top plate (7) is provided with an inner groove (37), and two slide grooves (32) are provided on both left and right sides of the top plate (7). The two slide grooves (32) are both connected to the inner groove (37), and the two slide grooves (32) are movably connected with a clamping strip (10), and the two clamping strips (10) are fixedly mounted with a slide plate (33), and a pressure spring (34) is fixedly mounted on the side where the two slide plates (33) are close to each other, and two blocking strips (35) are fixedly mounted in the inner groove (37).

3. A small high-precision fiber-optic inertial navigation system according to claim 2, characterized in that: The two blocking bars (35) are respectively fixedly connected to each pressure spring (34); two tension ropes (15) are movably passed through the inside and outside of the two blocking bars (35); the four tension ropes (15) are respectively fixedly connected to the two slide plates (33); the four tension ropes (15) are movably passed through the upper inner wall of the inner groove (37); two semi-cylinders (36) are fixedly installed on the upper inner wall of the inner groove (37); the four tension ropes (15) are respectively passed around the two semi-cylinders (36); the front and rear inner walls of the handle (8) are respectively provided with lifting grooves (14); lifting blocks (16) are movably connected in the two lifting grooves (14); lifting rods (9) are fixedly installed on the two lifting blocks (16); the four tension ropes (15) are respectively fixedly passed through the two lifting blocks (16); the two square plates (21) are respectively provided with fixed blocks (11); the two fixed blocks (11) are respectively provided with a clamping groove (12) on one side close to each other; the two clamping bars (10) are respectively movably connected to the two clamping grooves (12).

4. The small high-precision fiber-optic inertial navigation system according to claim 1, characterized in that: A half frame (13) is fixedly mounted on the lower side of the two fixed blocks (11), and the two half frames (13) are respectively fixedly connected to the two square plates (21). Four circular grooves (17) are opened on the top plate (7), and the four circular grooves (17) are movably connected to the limiting columns (24). The four limiting columns (24) are respectively fixedly connected to the two square plates (21). The four limiting columns (24) are movably sleeved with sleeves (5), and the four sleeves (5) are all fixedly connected to the top plate (7). The upper ends of the four sleeves (5) are fixedly mounted with soft plates (6).

5. The small high-precision fiber-optic inertial navigation system according to claim 1, characterized in that: An annular airbag a (38) is fixedly mounted on the lower side of the top plate (7), an annular groove (29) is provided on the upper side of the bottom block (42), an annular airbag b (28) is fixedly mounted in the annular groove (29), two annular airbags b (28) are fixedly connected to air pipes (25), the two air pipes (25) are fixedly embedded in the bottom block (42), and square airbags (41) are arranged in the two square frames (22), and the two square airbags (41) are fixedly connected to the two air pipes (25) respectively.

6. The small high-precision fiber-optic inertial navigation system according to claim 1, characterized in that: Four round blocks (26) are fixedly mounted on the upper side of the bottom block (42), each of the four round blocks (26) is provided with a notch (27), and the four bottom corners of the main body (23) are movably connected to the four notches (27) respectively.

7. The small high-precision fiber-optic inertial navigation system according to claim 1, characterized in that: A mounting strip (30) is fixedly mounted on one side of the two movable plates (2) that are close to each other, and buffer cotton (31) is fixedly mounted on the four mounting strips (30).

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