CN204808667U - Gyroscope apparent motion presentation device - Google Patents
Gyroscope apparent motion presentation device Download PDFInfo
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- CN204808667U CN204808667U CN201520532745.2U CN201520532745U CN204808667U CN 204808667 U CN204808667 U CN 204808667U CN 201520532745 U CN201520532745 U CN 201520532745U CN 204808667 U CN204808667 U CN 204808667U
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- gyroscope
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- 230000033001 locomotion Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 230000009012 visual motion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a gyroscope apparent motion presentation device, including base, support frame, axis, around the axis free rotation spheroid, the circle of longitude, at least one parallel of latitude, at least one gyroscope signal device, at least one is used for launching ultra -red infra -red equipment, at least one horizon prototyping board, at least one meridian plane prototyping board to the distant place, the one end setting of support frame is on the base, and the other end at the support frame is fixed to the circle of longitude, and centraxonial both ends are all fixed in the circle of longitude, and parallel of latitude setting is just perpendicular with the axis in the circle of longitude, and the setting of gyroscope signal device is in the parallel of latitude, and the infrared ray that infra -red equipment set up on gyroscope signal device and infra -red equipment launches is parallel with the main shaft of gyroscope signal device, the horizon prototyping board intersects just orthogonal setting on the spheroid with the meridian plane prototyping board. This device is simple, novel, the motion laws of the relative earth of main shaft of directly perceived, vivid description gyroscope.
Description
Technical Field
The utility model relates to an inertia technical field, especially a motion presentation device is looked to gyroscope.
Background
The gyrocompass is a very important navigation instrument on a ship, is a pointing instrument developed according to the characteristics of the fixed axis and the precession of a gyroscope, and can further understand the working principle of the gyrocompass only by learning and understanding the movement rule (apparent movement of the gyroscope) of the gyroscope on the relative meridian plane and the horizontal plane on the earth. When the gyroscope rotates at a high speed, the initial direction of the main shaft of the gyroscope relative to the space is unchanged, because the earth where a person is located performs autorotation motion anytime and anywhere, the ground plane and the meridian plane where the person is located change relative to the space, and the direction of the main shaft of the gyroscope is actually changed when the person located on the ground plane and the meridian plane which change relative to the space sees the change of the direction of the main shaft of the gyroscope. The current maritime colleges and universities adopt video and animation modes or theoretical analysis modes for teaching the change law, the methods can well meet teaching requirements, the spatial relation which can be expressed by the planar graph is limited and abstract, and the apparent motion law of the gyroscope is difficult to understand without strong spatial imagination. Apparent motion is the basis of learning gyrocompass, and a student lacks an vivid and intuitive gyroscope apparent motion demonstration device in the learning process. At present, a teaching device capable of demonstrating the apparent motion of a gyroscope is not searched for temporarily.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough and provide a motion presentation device is looked to gyroscope, the utility model provides a motion law is looked to different latitude gyroscopes on simple, novel device, directly perceived, image, the dynamic demonstration earth.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
according to the utility model provides a motion presentation device is looked to gyroscope, including base, support frame, axis, the spheroid of freely rotating around the axis, longitude circle, at least one latitude circle, at least one gyroscope indicating device, at least one infrared device, at least one horizon model plate, at least one meridian plane model plate that are used for transmitting infrared to the distance; wherein,
one end of the support frame is arranged on the base, the longitude ring is fixed at the other end of the support frame, the middle shaft penetrates through the sphere and passes through the sphere center of the sphere, equally spaced longitude lines and latitude lines are marked on the sphere, two ends of the middle shaft are fixed on the longitude ring, the sphere center of the sphere is coincided with the circle center of the longitude ring, the middle shaft is not perpendicular to the base, the latitude ring is arranged on the longitude ring and is perpendicular to the middle shaft, a 360-degree angle mark is arranged on the latitude ring, the gyroscope indicating device is arranged on the latitude ring, the infrared device is arranged on the gyroscope indicating device, and infrared rays emitted by the infrared device are parallel to a main shaft of the gyroscope indicating;
the horizontal plane model plate and the meridian plane model plate are intersected and mutually perpendicular to each other and are arranged on the sphere, the intersection line of the horizontal plane model plate and the meridian plane model plate is a true north line, one end of the intersection line points to the north, and the other end of the intersection line points to the south; the horizontal plane model plate is tangent to the sphere, the midpoint on the intersecting line is taken as a reference point, and the reference point is the point where the horizontal plane model plate and the meridian plane model plate are contacted with the sphere; and taking the reference point and the intersecting line as the reference, and clockwise setting 0-360 degree scales on the horizontal plane model plate and clockwise setting 0-180 degree scales on the meridian plane model plate.
As a motion presentation device further optimization scheme is looked to gyroscope, the longitude circles every preset distance and is provided with the fixed recess, and the latitude circle is circled at the longitude through this fixed recess setting, the latitude circles every preset distance and is provided with the screw, and gyroscope indicating device's bottom is equipped with the nut, and gyroscope indicating device passes through the nut and is connected with the screw that the latitude circles.
As a further optimization scheme of motion presentation device is looked to gyroscope, gyroscope schematic device's main shaft is on a parallel with the horizon of gyroscope schematic device position and directional spheroidal north pole, gyroscope schematic device's main shaft angle scale on meridian plane model board is 0, angle scale on horizon model board is 0.
As a motion presentation device is looked to gyroscope further optimization scheme, the longitude circle is the circle frame, the latitude circle is the circle frame.
As a further optimization scheme of motion presentation device is looked to gyroscope, ground plane model board and meridian plane model board are pasted on the spheroid.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect: the utility model relates to a teaching instrument, which provides a simple and novel device for visually, vividly and dynamically demonstrating the apparent motion law of gyroscopes with different latitudes on the earth; the motion rule of the main shaft of the gyroscope relative to the earth is described visually and vividly.
Drawings
Fig. 1 is a schematic structural view of a gyroscope visual motion demonstration device of the present invention.
The reference numerals in the figures are to be interpreted: 1-base, 2-longitude circle, 3-sphere, 4-latitude circle, 5-middle axis, 6-infrared device, 7-gyroscope indicating device, 8-intersected and mutually perpendicular horizontal plane model plate and meridian plane model plate.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
as shown in fig. 1, an embodiment of a gyroscope visual motion demonstration device comprises a base 1, a support frame, a central shaft 5, a sphere 3 freely rotating around the central shaft, a longitude ring 2, a latitude ring 4, a gyroscope schematic device 7, an infrared device 6 for emitting infrared rays to a far distance, a ground plane model plate and a meridian plane model plate 8; wherein,
one end of the support frame is arranged on the base, the longitude ring is fixed at the other end of the support frame, the middle shaft penetrates through the sphere and passes through the sphere center of the sphere, equally spaced longitude lines and latitude lines are marked on the sphere, two ends of the middle shaft are fixed on the longitude ring, the sphere center of the sphere is coincided with the circle center of the longitude ring, the middle shaft is not perpendicular to the base, the latitude ring is arranged on the longitude ring and is perpendicular to the middle shaft, a 360-degree angle mark is arranged on the latitude ring, the gyroscope indicating device is arranged on the latitude ring, the infrared device is arranged on the gyroscope indicating device, and infrared rays emitted by the infrared device are parallel to a main shaft of the gyroscope indicating;
the horizontal plane model plate and the meridian plane model plate are intersected and mutually perpendicular to each other and are arranged on the sphere, the intersection line of the horizontal plane model plate and the meridian plane model plate is a true north line, one end of the intersection line points to the north, and the other end of the intersection line points to the south; the horizontal plane model plate is tangent to the sphere, the midpoint on the intersecting line is taken as a reference point, and the reference point is the point where the horizontal plane model plate and the meridian plane model plate are contacted with the sphere; and taking the reference point and the intersecting line as the reference, and clockwise setting 0-360 degree scales on the horizontal plane model plate and clockwise setting 0-180 degree scales on the meridian plane model plate.
The device comprises a longitude ring, a latitude ring and a gyroscope indicating device, wherein fixing grooves are formed in the longitude ring at intervals of preset distances, the latitude ring is arranged on the longitude ring through the fixing grooves, screw holes are formed in the latitude ring at intervals of preset distances, a nut is arranged at the bottom of the gyroscope indicating device, and the gyroscope indicating device is connected with the screw holes in the latitude ring through the nut. The main shaft of the gyroscope indicating device is parallel to a ground plane where the gyroscope indicating device is located and points to the north pole of the sphere, the angle scale of the main shaft of the gyroscope indicating device on the meridian plane model plate is 0 degree, and the angle scale of the main shaft of the gyroscope indicating device on the ground plane model plate is 0 degree. The longitude circle is a circular frame, and the latitude circle is a circular frame.
The sphere 3 is fixed on a middle shaft 5, the middle shaft 5 is fixed on a longitude ring 2, the longitude ring 2 is fixed on a base 1, two clamping grooves are formed in contact points of the longitude ring 2 and the latitude ring 4 and used for placing the latitude ring 4, a gyroscope indicating device 6 is arranged above the latitude ring 4, a main shaft of the gyroscope indicating device 7 is indicated by a radio antenna, and the main shaft of the gyroscope indicating device can be freely directed in 360 degrees in space. The horizontal plane model plate and the meridian plane model plate 8 are pasted above the sphere 1 according to the requirements of a user, 0-360-degree scales are drawn above the horizontal plane model plate, 0-180-degree scales are drawn above the meridian plane model plate, and the infrared device 6 is placed on the gyroscope indicating device 7 in parallel.
The utility model is provided with a sphere which is used for simulating the earth and can be replaced by the sphere of a common globe, namely the globe is called as the globe sphere.
The longitude ring is designed into a round frame, wherein a central shaft is arranged in the round frame, the central shaft penetrates through the globe body, the globe body can rotate around the central shaft, and the lower part of the round frame is fixed on the base through a support frame and used for placing the globe body; fixing grooves are arranged above the longitude circle at intervals of 30 degrees.
The latitude ring is designed by adopting a round frame, the size of the round frame corresponds to a latitude groove arranged on the longitude ring, and the latitude ring is just arranged above the longitude ring; screw holes are arranged above the latitude circle at intervals of 10 degrees.
The gyroscope indicating device is designed in a mode similar to a radio antenna, the antenna represents a gyroscope main shaft, a circle of circular plate is additionally arranged above the antenna, and the whole gyroscope is represented as a whole. A main shaft of the gyroscope indicating device can rotate 360 degrees in the plane and rotate 90 degrees to 90 degrees in the height direction. The bottom end of the gyroscope indicating device is provided with a nut used for being matched with the latitude circle.
The rotation of the latitude circle is synchronous with the globe, and the main shaft of the gyroscope indicating device is kept in the initial space pointing direction all the time in the rotating process.
The horizontal plane model plate simulates a horizontal plane, the meridian plane model plate simulates a meridian plane, the horizontal plane model plate and the meridian plane are perpendicular to each other, and angle scales are arranged above the horizontal plane model plate and the meridian plane model plate.
The globe body is rotated, and the angle change of the gyroscope relative to the ground plane and the meridian plane of an observer can be visually observed by observing the angle change of the main shaft of the gyroscope above the paper board.
The utility model discloses use method brief introduction as follows:
1. according to the target latitude of a user, selecting a latitude circle of the corresponding latitude, mounting a gyroscope indicating device and an infrared device above the target latitude circle in advance, and placing the latitude circle above the longitude circle.
2. According to the target longitude and the target latitude of a user, the horizontal plane model plate and the meridian plane model plate are pasted above the corresponding longitude and latitude of the globe, the latitude ring is rotated to enable one gyroscope indicating device to correspond to the target longitude, and the initial position of the main shaft of the gyroscope indicating device is kept parallel to the ground plane and points to the north pole of the globe, namely the angle scale of the main shaft on the meridian plane model plate is 0 degree, the angle scale on the ground plane model plate is 0 degree, the infrared device on the gyroscope indicating device is opened to determine the point pointed by the infrared device, meanwhile, a plurality of gyroscope indicating devices and infrared devices can be additionally arranged above the latitude circle, the main shafts of the gyroscope indicating devices and the main shafts of the gyroscope indicating devices which are adjusted before are used for infrared shooting to one point, and the position of the infrared point is recorded by using a mark note at a remote place.
3. The sphere is rotated to simulate the earth rotation, the latitude circle correspondingly rotates while the sphere rotates, when the rotation stops, the main shaft of the gyroscope indicating device is adjusted to point to enable infrared rays to point at the position shown at a far distance in the step 2, the space initial pointing direction of the main shaft of the gyroscope indicating device is consistent with the space initial pointing direction of the gyroscope indicating device in the step 2, however, the ground plane model plate and the meridian plane model plate rotate along with the sphere in the rotation process of the sphere, and at the moment, the two model plates change relative to each other in the step 2. Therefore, the angle scales of the main shaft of the gyroscope indicating device in the ground plane model plate and the meridian plane model plate which are changed relatively in space are changed, and the change condition of the main shaft of the gyroscope above the target longitude and latitude relative to the local ground plane and the meridian plane can be obtained by checking the angles shown by the ground plane model plate and the meridian plane model plate.
4. And (3) repeating the steps 2 and 3, wherein the initial position of the main shaft of the gyroscope indicating device in the step 2 can be adjusted according to the requirement of a user so as to analyze the apparent motion rule of the gyroscope under the conditions of different initial positions.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replace, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. A gyroscope apparent motion demonstration device is characterized by comprising a base, a support frame, a middle shaft, a sphere freely rotating around the middle shaft, a longitude ring, at least one latitude ring, at least one gyroscope indicating device, at least one infrared device used for emitting infrared rays to a distance, at least one ground plane model plate and at least one meridian plane model plate; wherein,
one end of the support frame is arranged on the base, the longitude ring is fixed at the other end of the support frame, the middle shaft penetrates through the sphere and passes through the sphere center of the sphere, equally spaced longitude lines and latitude lines are marked on the sphere, two ends of the middle shaft are fixed on the longitude ring, the sphere center of the sphere is coincided with the circle center of the longitude ring, the middle shaft is not perpendicular to the base, the latitude ring is arranged on the longitude ring and is perpendicular to the middle shaft, a 360-degree angle mark is arranged on the latitude ring, the gyroscope indicating device is arranged on the latitude ring, the infrared device is arranged on the gyroscope indicating device, and infrared rays emitted by the infrared device are parallel to a main shaft of the gyroscope indicating;
the horizontal plane model plate and the meridian plane model plate are intersected and mutually perpendicular to each other and are arranged on the sphere, the intersection line of the horizontal plane model plate and the meridian plane model plate is a true north line, one end of the intersection line points to the north, and the other end of the intersection line points to the south; the horizontal plane model plate is tangent to the sphere, the midpoint on the intersecting line is taken as a reference point, and the reference point is the point where the horizontal plane model plate and the meridian plane model plate are contacted with the sphere; and taking the reference point and the intersecting line as the reference, and clockwise setting 0-360 degree scales on the horizontal plane model plate and clockwise setting 0-180 degree scales on the meridian plane model plate.
2. The device for demonstrating apparent movement of a gyroscope according to claim 1, wherein said longitudinal ring is provided with fixing grooves at predetermined intervals, the latitudinal ring is provided with screw holes at predetermined intervals, the gyroscope indicating device is provided with screw caps at the bottom, and the gyroscope indicating device is connected with the screw holes on the latitudinal ring through the screw caps.
3. The device of claim 1, wherein the principal axis of the gyroscope schematic device is parallel to the ground plane where the gyroscope schematic device is located and points to the north pole of the sphere, the principal axis of the gyroscope schematic device is at an angle scale of 0 ° on the meridian plane model plate and at an angle scale of 0 ° on the ground plane model plate.
4. The device of claim 1, wherein the longitude circle is a circular frame and the latitude circle is a circular frame.
5. The device of claim 1, wherein the ground plane model plate and the meridian plane model plate are adhered to the sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532745.2U CN204808667U (en) | 2015-07-22 | 2015-07-22 | Gyroscope apparent motion presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532745.2U CN204808667U (en) | 2015-07-22 | 2015-07-22 | Gyroscope apparent motion presentation device |
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| Publication Number | Publication Date |
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| CN204808667U true CN204808667U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520532745.2U Withdrawn - After Issue CN204808667U (en) | 2015-07-22 | 2015-07-22 | Gyroscope apparent motion presentation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992592A (en) * | 2015-07-22 | 2015-10-21 | 中国人民解放军镇江船艇学院 | Gyroscope apparent motion demonstration device |
-
2015
- 2015-07-22 CN CN201520532745.2U patent/CN204808667U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992592A (en) * | 2015-07-22 | 2015-10-21 | 中国人民解放军镇江船艇学院 | Gyroscope apparent motion demonstration device |
| CN104992592B (en) * | 2015-07-22 | 2017-08-01 | 中国人民解放军镇江船艇学院 | A kind of gyroscope apparent motion apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20170801 |