Manual adjusting device for north-seeking angle measurement

Abstract

The invention discloses a manual adjusting device for north-seeking angle measurement, which comprises a horizontally arranged azimuth base and a shell rotatably mounted on the azimuth base, a mounting seat used for mounting a light aiming instrument is arranged above the shell, an azimuth rotating mechanism, a pitching rotating mechanism, a two-axis gyroscope and a quartz flexible accelerometer are mounted in the shell, and the two-axis gyroscope and the quartz flexible accelerometer are mounted on the mounting seat. The azimuth rotating mechanism is used for driving the shell to horizontally rotate on the azimuth base, the pitching rotating mechanism is connected with the mounting base and used for driving the mounting base to rotate in a pitching mode in a vertical plane, and two rotating shafts of the two-shaft gyroscope are parallel to the horizontal plane and are perpendicular to each other. The device is simple in structure, small in size, convenient to carry, high in sealing performance and interference resistance, capable of well conducting target tracking angle measurement and convenient to use.

Description

Technical Field

[0001] The present invention relates to the technical field of north finding and angle measurement, and in particular to a manual adjustment device for north finding and angle measurement. Background Art

[0002] North-seeking and angle measurement include accurate measurement and azimuth determination of the target. To achieve accurate measurement of the target, most of the existing north-seeking and angle measurement adjustment devices rely on inertial devices such as magnetic compasses and levels as the measurement basis for azimuth and pitch. They have the problems of large size, heavy weight, difficulty in carrying, poor anti-interference ability, complex structure, and inability to quickly track the target. In order to achieve real-time azimuth and pitch angle measurement and real-time tracking of the target, a high-precision north-seeking and angle measurement adjustment device with small size, light weight, easy to carry, and fast tracking and rotation is urgently needed. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a manual adjustment device for finding north and measuring angles, so as to solve the problems of the prior art such as large size, heavy weight, difficulty in carrying, poor anti-interference ability, complex structure and inability to quickly track targets.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: A manual adjustment device for finding north and measuring angles comprises an azimuth base arranged horizontally and a shell rotatably mounted on the azimuth base, and a mounting seat for mounting an optical aiming instrument is provided above the shell, wherein an azimuth rotation mechanism, a pitch rotation mechanism, a two-axis gyroscope and a quartz flexible accelerometer are installed in the shell, the azimuth rotation mechanism is used to drive the shell to rotate horizontally on the azimuth base, the pitch rotation mechanism is connected to the mounting seat and is used to drive the mounting seat to rotate in pitch in a vertical plane, and the two rotation axes of the two-axis gyroscope are parallel to the horizontal plane and perpendicular to each other.

[0005] As an optimization, the shell includes a base and a top cover that are snap-fitted together, the base is rotatably connected to the azimuth base, a rotation groove is provided at the upper end of the top cover, the mounting seat is connected to the pitch rotation mechanism through the rotation groove, and the mounting seat can be pitched and rotated in a vertical plane along the rotation groove.

[0006] As an optimization, the azimuth rotation mechanism includes a load bearing installed in the base, the inner ring of the load bearing is fixedly connected to the azimuth base, and the outer ring is fixedly connected to the base; it also includes an azimuth turbine and an azimuth worm, the outer teeth of the azimuth turbine are meshed with the azimuth worm, the azimuth turbine is fixedly connected to a turbine gasket, and the turbine gasket is fixedly connected to the azimuth base; an azimuth gear is provided at one end of the azimuth worm, and an azimuth gear shaft meshing with the azimuth gear is rotatably installed on the base, the azimuth gear shaft extends out of the base and is connected to a first hand wheel on the outside of the base.

[0007] As an optimization, an azimuth encoder is also included, wherein the stator end of the azimuth encoder is fixed on the turbine gasket, and the rotor end is fixedly connected to the base.

[0008] As an optimization, a sealing ring is filled between the azimuth base and the base.

[0009] As an optimization, the pitch rotation mechanism includes a pitch transmission shaft and a pitch secondary shaft rotatably installed in the top cover and coaxially arranged, and the pitch transmission shaft and the pitch secondary shaft are respectively fixedly connected to the two sides of the mounting seat; a pitch turbine is installed on the pitch transmission shaft, and a pitch worm is correspondingly rotatably installed in the base, the outer teeth of the pitch turbine are meshed with the pitch worm rod, and the inner ring is fixedly connected to the pitch transmission shaft; a bevel gear is provided at one end of the pitch worm, and a bevel gear shaft meshing with the bevel gear is rotatably installed on the base, and the bevel gear shaft extends out of the base and is connected to a second hand wheel on the outside of the base;.

[0010] As an optimization, a pitch encoder is also included, wherein the rotor end of the pitch encoder is connected to the pitch secondary shaft, and the stator end is fixed on an encoder seat, and the encoder seat is fixed on the top cover.

[0011] As an optimization, the pitch transmission shaft and the pitch sub-shaft are respectively rotatably mounted in a pitch shaft sleeve, the pitch shaft sleeve is fixedly mounted on the top cover, and sealing rings are filled between the pitch shaft sleeve and the pitch transmission shaft and the pitch sub-shaft, as well as between the pitch shaft sleeve and the top cover.

[0012] As an optimization, the pitch turbine is fan-shaped.

[0013] Compared with the prior art, this application has the following beneficial effects: The present invention, In a stationary state, it can find the north through a two-axis gyroscope and a quartz flexible accelerometer, and drive the optical sighting instrument on the top mounting seat to rotate by rotating the base to achieve target azimuth tracking; then the azimuth rotation mechanism and the pitch rotation mechanism are adjusted separately or simultaneously to drive the optical sighting instrument on the mounting seat to rotate, thereby achieving target azimuth measurement and target tracking and angle measurement. It has a simple structure, a small size, is easy to carry, has strong sealing and anti-interference capabilities, can perform target tracking and angle measurement well, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the explosion structure of the present invention; Figure 2 It is a schematic diagram of a cross-sectional structure perpendicular to the pitch transmission axis of the present invention; Figure 3 It is a schematic cross-sectional view of the structure of the present invention parallel to the pitch transmission axis; In the figure, 1 is an azimuth base, 2 is a base, 3 is a load bearing, 4 is an azimuth turbine, 5 is a turbine gasket, 6 is an azimuth encoder, 7 is an azimuth gear, 8 is an azimuth gear shaft, 9 is a first hand wheel, 10 is a pitch shaft seat, 11 is an encoder seat, 12 is a pitch countershaft, 13 is a pitch shaft sleeve, 14 is a pitch encoder, 15 is a quartz flexible accelerometer, 16 is an azimuth worm, 17 is a bearing seat, 18 is a bevel gear shaft seat, 19 is a bevel gear shaft, 20 is a pitch transmission shaft, 21 is a pitch worm, 22 is a bevel gear, 23 is a pitch turbine, 24 is a two-axis gyroscope, 25 is a mounting bracket, 26 is a top cover, and 27 is a mounting seat. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0016] When implementing: For example, see Figure 1-Figure 3 In order to solve the problems existing in the prior art, the present invention proposes a manual adjustment device for north-seeking and angle measurement, comprising a horizontally arranged azimuth base 1 and a shell rotatably mounted on the azimuth base 1, and a mounting seat 27 for mounting an optical aiming instrument is provided above the shell, wherein an azimuth rotation mechanism, a pitch rotation mechanism, a two-axis gyroscope 24 and a quartz flexible accelerometer 15 are installed in the shell, the azimuth rotation mechanism is used to drive the shell to rotate horizontally on the azimuth base 1, the pitch rotation mechanism is connected to the mounting seat 27, and is used to drive the mounting seat 27 to rotate in pitch in a vertical plane, and the two rotation axes of the two-axis gyroscope 24 are parallel to the horizontal plane and perpendicular to each other.

[0017] The present invention can find the north through a two-axis gyroscope and a quartz flexible accelerometer in a stationary state, and can drive an optical sighting instrument carried on a top mounting seat to rotate by rotating a base to track the target azimuth; then, the azimuth rotation mechanism and the pitch rotation mechanism are adjusted separately or simultaneously to drive the optical sighting instrument carried on the mounting seat to rotate, thereby measuring the target azimuth and tracking the target angle. The invention has a simple structure, a small size, is easy to carry, has strong sealing and anti-interference capabilities, can well perform target tracking and angle measurement, and is easy to use.

[0018] Specifically, the housing includes a base 2 and a top cover 26 that are buckled together, the base 2 is rotatably connected to the azimuth base 1, a rotation groove is provided at the upper end of the top cover 26, the mounting seat 27 is connected to the pitch rotation mechanism through the rotation groove, and the mounting seat 27 can pitch and rotate in a vertical plane along the rotation groove. The two-axis gyroscope 24 is a fiber optic gyroscope.

[0019] More specifically, the azimuth rotation mechanism includes a load bearing 3 installed in the base 2, the inner ring of the load bearing 3 is fixedly connected to the azimuth base 1, and the outer ring is fixedly connected to the base 2; it also includes an azimuth turbine 4 and an azimuth worm 16, the outer teeth of the azimuth turbine 4 are meshed with the azimuth worm 16, the azimuth turbine 4 is fixedly connected to a turbine washer 5, and the turbine washer 5 is fixedly connected to the azimuth base 1; one end of the azimuth worm 16 is provided with an azimuth gear 7, and an azimuth gear shaft 8 meshing with the azimuth gear 7 is rotatably installed on the base 2, the azimuth gear shaft 8 extends out of the base 2 and is connected to a first hand wheel 9 outside the base 2. When the first hand wheel 9 is rotated, the first hand wheel 9 drives the azimuth gear shaft 8 to rotate, the azimuth gear shaft 8 drives the azimuth gear 7 to drive the azimuth worm 16 to rotate, the azimuth worm 16 rotates and rotates around the azimuth turbine 4 under the meshing action with the azimuth turbine 4, thereby driving the entire base 2 to rotate horizontally.

[0020] It also includes an azimuth encoder 6, the stator end of which is fixed on the turbine gasket 5, and the rotor end is fixedly connected to the base 2, so that the horizontal rotation angle of the shell can be well obtained through the azimuth encoder 6.

[0021] A sealing ring is filled between the azimuth base 1 and the base 2. This can better ensure the sealing of the shell and improve the anti-interference ability and dustproof and waterproof performance.

[0022] The pitch rotation mechanism includes a pitch transmission shaft 20 and a pitch sub-shaft 12 rotatably mounted in a top cover 26 and coaxially arranged. The pitch transmission shaft 20 and the pitch sub-shaft 12 are respectively rotatably mounted in a pitch shaft sleeve 13. The pitch shaft sleeve 13 is fixedly mounted on the top cover 26. Sealing rings are filled between the pitch shaft sleeve 13 and the pitch transmission shaft 20 and the pitch sub-shaft 12, as well as between the pitch shaft sleeve 13 and the top cover 26. Specifically, the pitch shaft sleeve 13 is mounted on a pitch shaft seat 10, and the pitch shaft seat 10 is sealed and connected to the top cover 26 via a sealing ring.

[0023] The pitch transmission shaft 20 and the pitch secondary shaft 12 are fixedly connected to the two sides of the mounting seat 27 respectively; a pitch turbine 23 is installed on the pitch transmission shaft 20, and a pitch worm 21 is rotatably installed in the base 2 accordingly, the outer teeth of the pitch turbine 23 are meshed with the pitch worm 21, and the inner ring is fixedly connected to the pitch transmission shaft 20, wherein the two ends of the pitch worm 21 are rotatably mounted on a bearing seat 17 through bearings, and the bearing seat 17 is fixedly connected to the base 2. A bevel gear 22 is provided at one end of the pitch worm 21, and a bevel gear shaft 19 meshed with the bevel gear 22 is rotatably installed on the base 2, the bevel gear shaft 19 extends out of the base 2 and is connected to the second hand wheel outside the base 2. Specifically, the bevel gear shaft 19 is connected to the base 2 through a bevel gear shaft seat 18, and a sealing ring is provided between the bevel gear shaft seat 18 and the base 2. The second hand wheel is rotated to drive the bevel gear shaft 19 to rotate, thereby driving the pitch worm rod 21 to rotate. The pitch worm rod 21 drives the pitch transmission shaft 20 to rotate through the pitch turbine 23, thereby driving the mounting seat 27 to pitch and rotate in a vertical plane.

[0024] It also includes a pitch encoder 14 , a rotor end of which is connected to the pitch secondary shaft 12 , and a stator end of which is fixed on an encoder seat 11 , and the encoder seat 11 is fixed on the top cover 26 .

[0025] The pitch turbine 23 is fan-shaped, so that it has a better spatial layout and a compact structure.

[0026] Although the embodiments of the present invention have been shown and described, it is apparent to those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and basis of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. Therefore, the embodiments of the present invention are merely illustrative examples of the present invention. The embodiments of the present invention do not constitute limitations on the present invention from any point of view.

Claims

1. A manual adjustment device for north-seeking and angle measurement, characterized in that: It comprises a horizontally arranged azimuth base and a shell rotatably mounted on the azimuth base, and a mounting seat for mounting an optical aiming instrument is arranged above the shell, wherein an azimuth rotation mechanism, a pitch rotation mechanism, a two-axis gyroscope and a quartz flexible accelerometer are installed in the shell, the azimuth rotation mechanism is used to drive the shell to rotate horizontally on the azimuth base, the pitch rotation mechanism is connected to the mounting seat and is used to drive the mounting seat to rotate in pitch in a vertical plane, and the two rotation axes of the two-axis gyroscope are parallel to the horizontal plane and perpendicular to each other.

2. A manual adjustment device for north-seeking and angle measurement according to claim 1, characterized in that: The shell includes a base and a top cover that are snap-fitted together. The base is rotatably connected to the azimuth base. A rotation groove is provided at the upper end of the top cover. The mounting seat is connected to the pitch rotation mechanism through the rotation groove, and the mounting seat can be pitched and rotated in a vertical plane along the rotation groove.

3. A manual adjustment device for north-seeking and angle measurement according to claim 2, characterized in that: The azimuth rotation mechanism includes a load bearing installed in the base, the inner ring of the load bearing is fixedly connected to the azimuth base, and the outer ring is fixedly connected to the base; it also includes an azimuth turbine and an azimuth worm, the outer teeth of the azimuth turbine are meshed with the azimuth worm, the azimuth turbine is fixedly connected to a turbine gasket, and the turbine gasket is fixedly connected to the azimuth base; an azimuth gear is provided at one end of the azimuth worm, and an azimuth gear shaft meshing with the azimuth gear is rotatably installed on the base, the azimuth gear shaft extends out of the base and is connected to a first hand wheel on the outside of the base.

4. A manual adjustment device for north-seeking and angle measurement according to claim 3, characterized in that: It also includes an azimuth encoder, the stator end of which is fixed on the turbine gasket, and the rotor end is fixedly connected to the base.

5. The manual adjustment device for north-seeking and angle measurement according to claim 3, characterized in that: A sealing ring is filled between the azimuth base and the base.

6. The manual adjustment device for north-seeking and angle measurement according to claim 3, characterized in that: The pitch rotation mechanism includes a pitch transmission shaft and a pitch sub-shaft rotatably installed in the top cover and coaxially arranged, and the pitch transmission shaft and the pitch sub-shaft are respectively fixedly connected to the two sides of the mounting seat; a pitch turbine is installed on the pitch transmission shaft, and a pitch worm is correspondingly rotatably installed in the base, the outer teeth of the pitch turbine are meshed with the pitch worm rod, and the inner ring is fixedly connected to the pitch transmission shaft; a bevel gear is provided at one end of the pitch worm, and a bevel gear shaft meshing with the bevel gear is rotatably installed on the base, and the bevel gear shaft extends out of the base and is connected to a second hand wheel on the outside of the base.

7. A manual adjustment device for north-seeking and angle measurement according to claim 6, characterized in that: It also includes a pitch encoder, the rotor end of which is connected to the pitch secondary shaft, and the stator end of which is fixed on an encoder seat, and the encoder seat is fixed on the top cover.

8. The manual adjustment device for north-seeking and angle measurement according to claim 6, characterized in that: The pitch transmission shaft and the pitch sub-shaft are rotatably mounted in a pitch shaft sleeve respectively, the pitch shaft sleeve is fixedly mounted on the top cover, and sealing rings are filled between the pitch shaft sleeve and the pitch transmission shaft and the pitch sub-shaft, as well as between the pitch shaft sleeve and the top cover.

9. The manual adjustment device for north-seeking and angle measurement according to claim 6, characterized in that: The pitch turbine is fan-shaped.

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