Adjustable inertial navigator

Abstract

The utility model relates to the technical field of aerospace, and discloses an adjustable inertial navigator which comprises a U-shaped frame and a rotating shaft rotationally connected to the left side face and the right side face of the U-shaped frame, a fixing ring is fixedly connected to the inner end of the rotating shaft, a rotating table is rotationally connected to the inner wall of the fixing ring, and a containing groove is formed in the upper surface of the rotating table. According to the adjustable inertial navigator, a fixing ring, a rotating table, an annular clamping strip, a clamping block, a spring and angle scale marks are used in cooperation, so that a worker can release limiting between the clamping block and the annular clamping strip by pulling a pull pin, then the use angle of the inertial navigator body is adjusted, and after the pull pin is loosened, the spring drives the clamping block to reset; a clamping block fixes and limits the rotating table through an annular clamping strip, so that a worker can adjust the use angle of the inertial navigator body, the rotating angle of the inertial navigator body is determined through an angle pointer of an angle scale line, and the functionality of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerospace, in particular to an adjustable inertial navigator. 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 are usually fixed structures, and require an external bracket system to adjust the use angle and inclination of the inertial navigator, and their functionality is poor. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides an adjustable inertial navigation device, 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 adjustable inertial navigation instrument, comprising a U-shaped frame and a rotating shaft rotatably connected to the left and right sides of the U-shaped frame, the inner end of the rotating shaft is fixedly connected to a fixing ring, the inner wall of the fixing ring is rotatably connected to a rotating table, the upper surface of the rotating table is provided with a placement groove, the inner wall of the placement groove is provided with an inertial navigation instrument body, the outer surface of the rotating table is fixedly connected to an annular clamping strip, the outer front side of the outer surface of the fixing ring is slidably inserted with a clamping block adapted to the annular clamping strip, the outer surface of the clamping block is slidably covered with a rectangular sleeve fixedly connected to the fixing ring, the front side of the rectangular sleeve is slidably inserted with a pull pin fixedly connected to the clamping block, the outer surface of the pull pin is covered with a spring, the outer surface of the rotating shaft located on the right side is fixedly covered with a worm gear, two groups of support plates are fixedly connected to the right side of the U-shaped frame, the inner side surface of the support plate is vertically rotatably connected with a worm and a knob by inserting a rotating rod, and the worm and worm gear are meshed.

[0007] Preferably, two groups of columns are fixedly connected to the rear side of the outer surface of the U-shaped frame, a base is fixedly connected to the lower surface of the column, and a T-shaped bracket is fixedly connected between the U-shaped frame, the column and the base.

[0008] Preferably, a fixing frame is provided on the outer surface of the inertial navigation device body, and four groups of mounting bolts are inserted at the bottom of the outer surface of the fixing frame, and the mounting bolts are threadedly connected to the upper surface of the rotating platform.

[0009] Preferably, the left side and the right side of the U-shaped frame are both provided with ball bearings, and the U-shaped frame is rotatably connected to the rotating shaft via the ball bearings.

[0010] Preferably, two groups of annular slide bars are fixedly connected to the outer surface of the rotating table, and an annular slide groove matching the annular slide bars is formed on the inner wall of the fixed ring.

[0011] Preferably, the upper surface of the fixed ring is provided with angle scale lines, the front side of the upper surface of the rotating table is fixedly connected with an angle pointer, the right side of the U-shaped frame is provided with inclination scale lines, and the right side of the outer surface of the fixed ring is fixedly connected with an inclination pointer.

[0012] (III) Beneficial effects

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

[0014] 1. The adjustable inertial navigation device is used in combination with a fixed ring, a rotating table, an annular clamping strip, a clamping block, a spring and an angle scale line, so that a staff can release the limit between the clamping block and the annular clamping strip by pulling a pull pin, and then adjust the use angle of the inertial navigation device body. After releasing the pull pin, the spring drives the clamping block to reset, and the clamping block fixes the rotating table with the annular clamping strip, so that the staff can adjust the use angle of the inertial navigation device body and determine the rotation angle of the inertial navigation device body through the angle scale line angle pointer, thereby improving the functionality of the device.

[0015] 2. The adjustable inertial navigation device is used in combination with a rotating shaft, a rotating rod, a worm and a knob, so that a worker can rotate the rotating rod through the knob, the rotating rod drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the fixed ring to rotate through the rotating shaft, so that the worker can adjust the use inclination angle of the inertial navigation device body through the knob, and determine the inclination angle of the inertial navigation device body through the inclination pointer and the inclination scale line. 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 It is a schematic diagram of the structure of the utility model.

[0018] In the figure: 1, U-shaped frame; 101, inclination scale line; 2, rotating shaft; 3, fixing ring; 301, angle scale line; 4, rotating table; 401, placement slot; 5, inertial navigation unit body; 6, annular clamping strip; 7, clamping block; 8, rectangular sleeve; 9, pull pin; 10, spring; 11, worm gear; 12, support plate; 13, rotating rod; 14, worm; 15, knob; 16, column; 17, base; 18, fixing frame; 19, mounting bolt; 20, angle pointer; 21, inclination pointer. 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 1-4The utility model provides a technical solution: an adjustable inertial navigation device, comprising a U-shaped frame 1 and a rotating shaft 2 rotatably connected to the left and right sides of the U-shaped frame 1, a fixed ring 3 is fixedly connected to the inner end of the rotating shaft 2, a rotating table 4 is rotatably connected to the inner wall of the fixed ring 3, a placement groove 401 is opened on the upper surface of the rotating table 4, an inertial navigation device body 5 is arranged on the inner wall of the placement groove 401, an annular clamping strip 6 is fixedly connected to the outer surface of the rotating table 4, and a clamping block 7 adapted to the annular clamping strip 6 is slidably inserted on the front side of the outer surface of the fixed ring 3 The outer surface of the card block 7 is slidably covered with a rectangular sleeve 8 fixedly connected to the fixing ring 3, and the front of the rectangular sleeve 8 is slidably inserted with a pull pin 9 fixedly connected to the card block 7. The outer surface of the pull pin 9 is covered with a spring 10. The outer surface of the rotating shaft 2 located on the right side is fixedly covered with a worm gear 11. The right side of the U-shaped frame 1 is fixedly connected to two groups of support plates 12. The inner side of the support plate 12 is vertically rotatably connected to a worm 14 and a knob 15 by inserting a rotating rod 13. The worm 14 and the worm gear 11 are meshed, and the fixing ring 3, the rotating table 4, and the annular card The strip 6, the card block 7, the spring 10 and the angle scale line 301 are used together, so that the staff can release the limit between the card block 7 and the annular card strip 6 by pulling the pull pin 9, and then adjust the use angle of the inertial navigation device body 5. After releasing the pull pin 9, the spring 10 drives the card block 7 to reset, and the card block 7 fixes the rotating table 4 through the annular card strip 6, so that the staff can adjust the use angle of the inertial navigation device body 5, and determine the rotation angle of the inertial navigation device body 5 through the angle scale line 301 and the angle pointer 20, thereby improving the functionality of the device. By using the rotating shaft 2, the rotating rod 13, the worm 14 and the knob 15 together, the staff can rotate the rotating rod 13 through the knob 15, the rotating rod 13 drives the worm 14 to rotate, the worm 14 drives the worm wheel 11 to rotate, and the worm wheel 11 drives the fixing ring 3 to rotate through the rotating shaft 2, so that the staff can adjust the use inclination angle of the inertial navigation device body 5 through the knob 15, and determine the inclination angle of the inertial navigation device body 5 through the inclination pointer 21 and the inclination scale line 101.

[0021] In the utility model, in order to further enhance the placement stability of the device, two groups of columns 16 are fixedly connected to the rear side of the outer surface of the U-shaped frame 1, a base 17 is fixedly connected to the lower surface of the column 16, and a T-shaped bracket is fixedly connected between the U-shaped frame 1, the column 16 and the base 17. By arranging the base 17, the column 16 and the T-shaped bracket, the placement stability of the device is further enhanced.

[0022] In the present utility model, in order to further enhance the stability of the placement of the inertial navigation device body 5, a fixing frame 18 is provided on the outer surface of the inertial navigation device body 5, and four groups of mounting bolts 19 are inserted at the bottom of the outer surface of the fixing frame 18. The mounting bolts 19 are threadedly connected to the upper surface of the rotating table 4, so that the fixing frame 18 plays a role of limiting and fixing the inertial navigation device body 5, thereby further enhancing the stability of the placement of the inertial navigation device body 5.

[0023] In the utility model, in order to further enhance the rotation stability of the rotating shaft 2, ball bearings are provided on the left and right sides of the U-shaped frame 1. The U-shaped frame 1 is rotatably connected to the rotating shaft 2 through the ball bearings. By providing the ball bearings, the rotation stability of the rotating shaft 2 is further enhanced.

[0024] In the utility model, in order to further enhance the rotation stability of the rotating table 4, two sets of annular slide bars are fixedly connected to the outer surface of the rotating table 4, and an annular slide groove matching the annular slide bar is opened on the inner wall of the fixed ring 3. The annular slide bar cooperates with the annular slide groove, thereby further enhancing the rotation stability of the rotating table 4.

[0025] In the utility model, in order to further facilitate the staff to control the rotation angle and rotation inclination of the inertial navigation device body 5, an angle scale line 301 is provided on the upper surface of the fixed ring 3, an angle pointer 20 is fixedly connected to the front side of the upper surface of the rotating platform 4, an inclination scale line 101 is provided on the right side of the U-shaped frame 1, and an inclination pointer 21 is fixedly connected to the right side of the outer surface of the fixed ring 3. By providing the angle scale line 301 and the inclination scale line 101, it is further convenient for the staff to control the rotation angle and rotation inclination of the inertial navigation device body 5.

[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 mounting bolts 19, remove the fixing frame 18, place the inertial navigation device body 5 in the placement groove 401, install the fixing frame 18 and the mounting bolts 19, pull the pull pin 9, the pull pin 9 drives the clamping block 7 to move forward, the spring 10 is compressed, the clamping block 7 is separated from the annular clamping strip 6, the inertial navigation device body 5 is rotated, and the use angle of the inertial navigation device body 5 is adjusted. After loosening the pull pin 9, the spring 10 drives the clamping block 7 to reset, the clamping block 7 fixes the rotating table 4 through the annular clamping strip 6, and the angle pointer 20 determines the rotation angle of the inertial navigation device body 5 through the angle scale line 301. The knob 15 is turned, the knob 15 drives the rotating rod 13 to rotate, the rotating rod 13 drives the worm 14 to rotate, the worm 14 drives the worm wheel 11 to rotate, and the worm wheel 11 drives the fixing ring 3 to rotate through the rotating shaft 2, thereby adjusting the use inclination angle of the inertial navigation device body 5, and determining the inclination angle of the inertial navigation device body 5 through the inclination pointer 21 and the inclination scale line 101.

[0028] 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 adjustable inertial navigation device, comprising a U-shaped frame (1) and a rotation shaft (2) rotatably connected to the left and right sides of the U-shaped frame (1), characterized in that: The inner end of the rotating shaft (2) is fixedly connected to a fixing ring (3), the inner wall of the fixing ring (3) is rotatably connected to a rotating platform (4), the upper surface of the rotating platform (4) is provided with a placement groove (401), the inner wall of the placement groove (401) is provided with an inertial navigation device body (5), the outer surface of the rotating platform (4) is fixedly connected to an annular clamping strip (6), the front side of the outer surface of the fixing ring (3) is slidably inserted with a clamping block (7) adapted to the annular clamping strip (6), and the outer surface of the clamping block (7) is slidably covered with a fixing member fixed to the fixing ring (3). A rectangular sleeve (8) is fixedly connected, the front side of the rectangular sleeve (8) is slidably inserted with a pull pin (9) fixedly connected to the clamping block (7), the outer surface of the pull pin (9) is sleeved with a spring (10), the outer surface of the rotating shaft (2) located on the right side is fixedly sleeved with a worm gear (11), the right side surface of the U-shaped frame (1) is fixedly connected with two groups of support plates (12), the inner side surface of the support plate (12) is vertically rotatably connected with a worm (14) and a knob (15) by inserting a rotating rod (13), and the worm (14) and the worm gear (11) are meshed.

2. An adjustable inertial navigation device according to claim 1, characterized in that: Two groups of columns (16) are fixedly connected to the rear side of the outer surface of the U-shaped frame (1), a base (17) is fixedly connected to the lower surface of the column (16), and a T-shaped bracket is fixedly connected between the U-shaped frame (1), the column (16) and the base (17).

3. The adjustable inertial navigation device according to claim 1, characterized in that: The outer surface of the inertial navigation device body (5) is provided with a fixing frame (18), and the bottom of the outer surface of the fixing frame (18) is inserted with four groups of mounting bolts (19), and the mounting bolts (19) are threadedly connected to the upper surface of the rotating platform (4).

4. The adjustable inertial navigation device according to claim 1, characterized in that: The left side and the right side of the U-shaped frame (1) are both provided with ball bearings, and the U-shaped frame (1) is rotatably connected to the rotating shaft (2) via the ball bearings.

5. The adjustable inertial navigation device according to claim 1, characterized in that: Two groups of annular slide bars are fixedly connected to the outer surface of the rotating table (4), and an annular slide groove matching the annular slide bars is formed on the inner wall of the fixed ring (3).

6. The adjustable inertial navigation device according to claim 1, characterized in that: The upper surface of the fixed ring (3) is provided with angle scale lines (301), the front side of the upper surface of the rotating platform (4) is fixedly connected with an angle pointer (20), the right side of the U-shaped frame (1) is provided with inclination scale lines (101), and the right side of the outer surface of the fixed ring (3) is fixedly connected with an inclination pointer (21).

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