CN109410711B - Gyro effect demonstration and measuring equipment - Google Patents
Gyro effect demonstration and measuring equipment Download PDFInfo
- Publication number
- CN109410711B CN109410711B CN201811336252.6A CN201811336252A CN109410711B CN 109410711 B CN109410711 B CN 109410711B CN 201811336252 A CN201811336252 A CN 201811336252A CN 109410711 B CN109410711 B CN 109410711B
- Authority
- CN
- China
- Prior art keywords
- inner frame
- gyro
- rotor
- outer frame
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
Abstract
The invention provides a gyro effect demonstration and measurement device, which mainly comprises: the device comprises an inner frame rotor protective cover 1, a balance adjusting weight 2, a gyro rotating speed sensor 3, an observation window 4, an inner frame gyro moment sensor 5, an inner frame angle sensor 6, an inner frame conductive slip ring 7, an inner frame bearing 8, an inner frame bearing locking mechanism 9, an outer frame 10, an outer frame bearing locking mechanism 11, an outer frame angle sensor 12, a gyro rotor 19 and a rotor driving motor 20; the inner ring and the outer ring of the gyro effect demonstration and measurement equipment are provided with angle sensors which can monitor the rotating angle and the angular velocity of the inner ring and the outer ring in real time, an observation window 4 is arranged on a closed gyro cabin, and a gyro rotating speed sensor 3 is arranged to realize closed-loop rotating speed control of the gyro rotating speed; the gyroscope dead axle performance demonstration and the measurement of the gyroscope moment and the gyroscope precession characteristic can be respectively realized.
Description
Technical Field
The invention relates to a gyro effect demonstration and measurement device, which belongs to the technical field of inertial navigation and is used for qualitative and quantitative demonstration and measurement of gyro moment.
Background
The gyroscope is a device for carrying out inertial navigation measurement by utilizing the dead-axle property, precession and gyroscopic moment effect of a gyroscope rotating at a high speed, and the gyroscopic effect is very important basic content in inertial navigation and technical courses. The gyro effect is abstract and difficult to understand, and the use of the gyro effect demonstration and measurement equipment can enable students to understand the gyro effect from qualitative and quantitative angles. For example, chinese patent publication No. CN103971564A discloses a "gyro characteristic demonstration apparatus", in which a slip ring is used to connect a motor to a power supply, so that two-degree-of-freedom omnidirectional rotation of a two-degree-of-freedom gyro is realized, and an angle dial is used to read the angle of rotation of a frame, thereby realizing intuitive demonstration and quantitative calculation of gyro characteristics.
Disclosure of Invention
The inventor of the present invention has recognized that the purely mechanical gyro characteristic demonstration device of chinese patent application CN103971564A has a certain disadvantage that there is no way to quantitatively measure the gyro moment because there is no sensor for measuring the force. Meanwhile, because the rotating angle is measured in a dial scale mode, only a stable state can be measured, and information such as angular speed cannot be obtained. The gyroscope has the following effect on the inner ring and the outer ring in high-speed motion, and the reading of the rotation angle is difficult.
In addition, the high-speed rotation of the gyroscope is driven by a motor, and most motors in the market are open-loop motors, so that the actual rotation speed of the gyroscope has a certain small deviation from the required rotation speed, and the small deviation can influence the experimental result. Exposed high-speed gyros can also cause potential safety hazards.
According to an aspect of the present invention, there is provided a gyroscopic effect demonstration and measurement apparatus, characterized by comprising:
a protective cover of the inner frame rotor,
the balance adjusting weight is arranged on the base plate,
a gyro speed sensor is arranged on the top of the shell,
an observation window is arranged on the base plate,
a gyro moment sensor with an inner frame,
an angle sensor of the inner frame is provided,
the inner frame is provided with a conductive slip ring,
an inner frame bearing is arranged on the inner frame,
a locking mechanism of the inner frame bearing,
an outer frame, a first frame and a second frame,
an outer frame bearing is arranged on the outer frame,
a gyroscope support stand is arranged on the top of the gyroscope,
a control computer and a display are arranged on the display,
a control knob is arranged on the base plate,
the top rotor is provided with a plurality of top rollers,
the rotor drives a motor which is driven by the rotor,
the outer frame bearing locking mechanism is used for unlocking and/or locking the rotational freedom degree of the gyroscope along the third rotating shaft,
wherein:
the inner frame rotor protective cover is a spindle body and is used for protecting the gyro rotor inside and reducing the influence of external factors on the gyro rotor,
a gyro rotor and a rotor driving motor are arranged in the inner frame rotor protective cover, balance adjusting weights and a gyro rotating speed sensor are arranged at the two outer ends of the inner frame rotor protective cover and are connected with the outer frame through a second rotating shaft and an inner frame bearing,
an inner frame gyro moment sensor, an inner frame angle sensor, an inner frame conductive slip ring, an inner frame bearing and an inner frame bearing locking mechanism are connected in series on a second rotating shaft of the inner frame rotor protective cover connected with the outer frame,
the observation window is arranged on the inner frame rotor protective cover,
the rotor driving motor drives the gyro rotor to rotate around the first rotating shaft,
the inner frame rotor guard is rotatable about a second axis of rotation,
the outer frame can rotate around the third rotating shaft,
the outer frame is connected with an outer frame bearing through a rotating shaft on a third rotating shaft,
the outer frame bearing adopts a crossed roller bearing.
The gyroscope comprises an inner frame rotor protective cover, balance adjusting weights, a gyroscope rotating speed sensor, an observation window, an inner frame gyroscope torque sensor, an inner frame angle sensor, an inner frame conductive sliding ring, an inner frame bearing locking mechanism, an outer frame, a gyroscope rotor, a whole rotating part including a rotor driving motor, a control computer, a display and a control knob, wherein the control computer, the display and the control knob are installed in a gyroscope support platform.
Drawings
FIG. 1 is a schematic diagram of a gyroscopic effect demonstration and measurement device according to one embodiment of the present invention;
FIG. 2 is a side view of the gyroscopic effect demonstration and measurement device of FIG. 1;
FIG. 3 is a schematic view taken along line A-A of FIG. 2;
fig. 4 is a schematic view along the line B-B in fig. 2.
Reference numerals:
1. the gyroscope comprises an inner frame rotor protective cover, 2 parts of balance adjusting weights, 3 parts of a gyroscope rotating speed sensor, 4 parts of an observation window, 5 parts of an inner frame gyroscope torque sensor, 6 parts of an inner frame angle sensor, 7 parts of an inner frame conductive sliding ring, 8 parts of an inner frame bearing, 9 parts of an inner frame bearing locking mechanism, 10 parts of an outer frame, 11 parts of an outer frame bearing locking mechanism, 12 parts of an outer frame angle sensor, 13 parts of an outer frame conductive sliding ring, 14 parts of an outer frame driving motor, 15 parts of an outer frame bearing, 16 parts of a gyroscope support table, 17 parts of a control computer and a display, 18 parts of a control knob, 19 parts of a gyroscope rotor and 20 parts of a rotor driving.
Detailed Description
In order to overcome the defects that the existing device is lack of a measuring sensor for gyro moment, only a rotating angle can be read manually, the angle is difficult to read when a frame rotates, angular speed information of an inner ring and an outer ring cannot be obtained, the rotating speed cannot be accurately controlled, the potential safety hazard of a naked high-speed gyro and the like, the invention provides gyro effect demonstration and measurement equipment which is provided with the angle sensor on the inner ring and the outer ring, controls the rotating speed of the gyro in a closed loop and adopts a closed gyro chamber.
The technical scheme adopted by the invention is as follows: a closed gyro effect demonstration and measurement device with a measuring device, a sensing device and a display device comprises a gyro rotor, a rotor driving motor, a gyro rotating speed sensor, a rotor protective cover, a balance adjusting weight, an inner frame bearing locking mechanism, an inner frame gyro moment sensor, an inner frame angle sensor, an inner frame conductive sliding ring, an inner frame bearing, an outer frame, an outer frame bearing locking mechanism, an outer frame angle sensor, an outer frame conductive sliding ring, an outer frame driving motor, an outer frame bearing, a gyro support platform, a control computer and a display.
The gyro rotor is fixedly connected with a rotating part of the rotor driving motor through screws, the rotor driving motor is fixedly connected with a rotor protective cover, a balance adjusting weight and a rotating speed sensor are mounted on the rotor protective cover and are rotatably connected with an outer frame through an inner frame bearing, and an inner frame gyro moment sensor, an inner frame angle sensor and an inner frame conductive slip ring are mounted at the position of the inner frame bearing. The outer frame is connected with the gyroscope support through an outer frame bearing, an outer frame angle sensor, an outer frame conductive sliding ring and an outer frame driving motor are installed at the joint of the outer frame bearing, and a control computer, a control device and a display are installed inside the gyroscope support.
The inner frame bearing and the outer frame bearing can be locked through an inner frame bearing locking screw and an outer frame bearing locking mechanism respectively, the rotational freedom degree of the inner frame is locked after the inner frame bearing is locked, and the rotational freedom degree of the outer frame is locked after the outer frame bearing is locked.
The method for demonstrating and measuring the gyro moment by using the gyro effect demonstrating and measuring equipment comprises the following steps:
1. loosening the locking mechanism of the inner frame bearing and the outer frame bearing;
2. adjusting the balance adjusting weight to enable the rotor protection cover of the inner ring to be kept horizontal around the first rotating shaft;
3. locking the inner frame bearing and the outer frame bearing locking mechanism;
4. adjusting the working mode of the gyro effect demonstration and measurement equipment to a gyro moment measurement mode by controlling a computer, and initializing an angle and force sensor;
5. respectively setting the spinning speed and the revolution speed of the gyroscope, and starting the spinning of the gyroscope;
6. when the spinning top reaches the specified rotating speed, the outer frame bearing locking mechanism is loosened;
7. starting revolution, and displaying a curve of gyro moment about the change of revolution speed on a display screen to realize gyro moment measurement;
8. if the demonstration of the gyro moment is needed, the locking mechanism of the inner frame bearing is released, and the gyro moment can be sensed by holding the rotor protective cover with hands.
The method for demonstrating and measuring the gyroscopic precession characteristics by using the gyroscopic effect demonstrating and measuring device comprises the following steps:
1. loosening the locking mechanism of the inner frame bearing and the outer frame bearing;
2. adjusting the balance adjusting weight to enable the rotor protection cover of the inner ring to be kept horizontal around the first rotating shaft;
3. locking the inner frame bearing and the outer frame bearing locking mechanism;
4. adjusting the working mode of the gyroscopic effect demonstration and measurement equipment to a precession characteristic demonstration and measurement mode through a control computer, wherein in the mode, the connection between an outer frame driving motor and an outer frame rotating shaft is automatically separated, and an angle and force sensor is initialized;
5. respectively setting the spinning speeds of the gyros, and starting the spinning of the gyros;
6. adjusting a balance adjusting weight, generating a moment acting on the vertical rotating shaft through the gravity of the weight, and recording the offset of the adjusting weight at the moment;
7. the locking mechanism of the outer frame bearing is released, and the whole body can spontaneously revolve around the outer frame rotating shaft;
8. the display screen displays the angular speed of the precession of the gyroscope.
The method for demonstrating gyroscopic axis-fixing performance by using the gyroscopic effect demonstration and measurement equipment comprises the following steps:
1. loosening the locking mechanism of the inner frame bearing and the outer frame bearing;
2. adjusting the balance adjusting weight to enable the rotor protection cover of the inner ring to be kept horizontal around the first rotating shaft;
3. locking the inner frame bearing and the outer frame bearing locking mechanism;
4. adjusting the working mode of the gyroscopic effect demonstration and measurement equipment to a fixed axis demonstration mode by controlling a computer, wherein in the fixed axis demonstration mode, the connection between an outer frame driving motor and an outer frame rotating shaft is automatically separated, and an angle and force sensor is initialized;
5. respectively setting the spinning speeds of the gyros, and starting the spinning of the gyros;
6. when the gyroscope reaches the specified rotating speed, the inner frame bearing locking mechanism and the outer frame bearing locking mechanism are loosened;
7. and rotating the gyroscopic effect demonstration and measurement equipment in the space and observing the direction of the rotor protective cover.
The principle of the invention is as follows:
gyros rotating at high speed in inertial space have special properties such as shafting property, precession and gyroscopic moment effect.
The boresight refers to a characteristic that, when the gyro rotor rotates at a high speed, the orientation of the rotation axis of the gyro in the inertial space is kept stable and unchanged without any external moment acting on the gyro.
Precession is the phenomenon that a self-rotating object rotates around another shaft besides a self-rotating shaft at a high speed, when a balance adjusting weight is adjusted, an additional moment is applied to a rotor of an inner frame equivalently, the additional moment can cause an outer frame to rotate, the rotation is precession angular velocity, and the size of the precession angular velocity is in direct proportion to an additional force. When the gyroscope rotates around the rotation axis at high speed at an angular speed omega, the additional moment is MgWhen m is the mass of the balance weight, g is the acceleration of gravity, and Δ l is the distance to be adjusted, the precession angular velocity at this time is ωp＝MgJ omega, wherein J is the rotation inertia of the gyro rotor to the rotation shaftAmount of the compound (A).
The gyro moment is an impedance moment expressed when the rotating shaft of the rotor rotates at a high speed symmetrically around the rotating shaft changes the azimuth in space, and when the gyro rotates at a high speed around the rotating shaft at an angular speed omega and revolves at an angular speed omega, the moment acting on the gyro is M-J omega x omega, wherein J is the moment of inertia of the gyro rotor to the rotating shaft.
The gyro rotor is generally a rotating body made of brass having a high density, which is not easily corroded, and which is easily cut, and the moment of inertia of the rotating body is J. The middle of the gyro rotor is provided with a through hole fixedly connected with the rotor driving motor, and the gyro rotor can be connected with the rotor driving motor through a screw. The rotating shaft of the gyro rotor is referred to as a first rotating shaft.
The rotor driving motor is a speed-adjustable motor, and generally adopts a high-power high-speed brushless motor. One section of the brushless motor is fixedly connected with the gyro rotor, and the other end of the brushless motor is fixedly connected with one side of the rotor protection cover.
The gyro rotation speed sensor is used for accurately controlling the rotation speed of a gyro, and can adopt a photoelectric rotation speed sensor or an electromagnetic type.
The rotor protection cover is a shell which wraps a gyro rotor, a rotor driving motor and other measuring equipment, and consists of three parts: the rotor driving motor is composed of a first end cover for fixing the rotor driving motor, a second end cover connected with a rotating speed sensor and a central shell. The central shell is provided with a small hole for passing through a wire and an observation window for observing the rotation of the gyro rotor.
The balance adjusting weights are fixed on two sides of the end cover to adjust balance and provide external acting torque.
The gyro moment sensor with the inner frame is connected in series with a rotating shaft connected with the inner frame and the outer frame and used for measuring gyro moment.
The inner frame angle sensor is connected in series with a rotating shaft connecting the inner frame and the outer frame and is used for measuring the deflection angle of the inner frame relative to the outer frame.
The inner frame conductive slip ring is connected in series with a rotating shaft, which is connected with the outer frame, of the inner frame, so that the power supply line and the signal line can pass through the rotating shaft, and the power supply and the signal are not influenced by the rotation of the inner frame.
The inner frame bearing described above provides smooth rotation, and the shaft of the inner frame rotation is referred to as the second shaft.
The inner frame bearing locking mechanism and the outer frame bearing locking mechanism refer to mechanisms capable of restricting the rotation of the bearing, and include but are not limited to clamping grooves, screws, electric locks and the like.
The outer frame is a square frame, the inner frame is connected with the outer frame through an inner frame bearing, the outer frame is connected with the gyroscope support table through an outer frame bearing, the outer frame can rotate around the axis of the outer frame bearing, and the rotating shaft is called as a third rotating shaft. The first rotating shaft, the second rotating shaft and the third rotating shaft are mutually orthogonal.
The outer frame angle sensor is connected in series with the rotating shaft of the outer frame and the gyroscope support table and used for measuring the deflection angle of the outer frame relative to the gyroscope support table.
The outer frame conductive slip ring is connected in series with the rotating shaft of the outer frame and the gyroscope support platform, so that the power supply line and the signal line can pass through the rotating shaft, and the power supply and the signal are not influenced by the rotation of the outer frame.
The outer frame driving motor is connected with the rotating shaft and can drive the rotating shaft to rotate.
The gyroscope support stand is a frame for fixing the outer frame of the gyroscope.
The control computer is a microcomputer installed in the gyroscope support stand, can control the rotation of the gyroscope, and can collect and process sensor data. The display is used for displaying gyroscope states and data, and a touch display can be used for inputting and displaying data.
The invention has the beneficial effects that: the invention can realize the demonstration and measurement of the fixed axis property, the precession property and the gyro moment of the gyro, can realize the real-time monitoring of the angular velocity and the gyro rotation velocity, and can carry out closed-loop control on the gyro rotation velocity. This is due to: 1. compared with the prior art, the bearing locking mechanism is arranged at the inner ring rotating shaft and the outer ring rotating shaft, so that the rotational freedom degree of the rotating shaft can be loosened or locked; 2. compared with the prior art, the rotating shaft is provided with the corner sensor, so that the angular speed can be obtained after time difference, and the real-time monitoring of the angle is realized; 3. compared with the prior art, the method is provided with the gyro rotating speed sensor, can measure the self-rotating angular speed of the gyro rotor, and realizes the closed-loop accurate control of the gyro rotor rotating speed; 4. compared with the prior art, the gyro rotor is arranged in the closed rotor protection cover cavity, so that the influence of the external environment on the gyro rotor is reduced, and the gyro rotor is safer.
As shown in fig. 1 to 3, a gyro-effect demonstration and measurement apparatus according to an embodiment of the present invention is characterized by comprising: the gyroscope comprises an inner frame rotor protective cover 1, a balance adjusting weight 2, a gyroscope rotating speed sensor 3, an observation window 4, an inner frame gyroscope torque sensor 5, an inner frame angle sensor 6, an inner frame conductive slip ring 7, an inner frame bearing 8, an inner frame bearing locking mechanism 9, an outer frame 10, an outer frame bearing 15, a gyroscope support table 16, a control computer and display 17 and a control knob 18. The inner frame rotor protection cover 1 is a spindle body and is used for protecting the gyro rotor 19 inside and reducing the influence of external factors on the gyro rotor 19. A gyro rotor 19 and a rotor driving motor 20 are installed in the inner frame rotor protective cover 1, and a balance adjusting weight 2 and a gyro rotation speed sensor 3 are installed at the two outer ends and are connected with the outer frame 10 through a rotating shaft A2 and an inner frame bearing 8. An inner frame gyro moment sensor 5, an inner frame angle sensor 6, an inner frame conductive slip ring 7, an inner frame bearing 8 and an inner frame bearing locking mechanism 9 are connected in series on a rotating shaft A2 connecting the inner frame rotor protection cover 1 and the outer frame 10. An observation window 4 is arranged on the inner frame rotor protective cover 1, and the observation window 4 is made of toughened glass or organic glass, so that the high-speed rotation of the gyro rotor 19 can be observed. The rotor driving motor 20 drives the gyro rotor 19 to rotate at a high speed around the first rotation axis a1, the inner frame rotor shield 1 can rotate around the second rotation axis a2, and the outer frame 10 can rotate around the third rotation axis A3. The outer frame 10 is made of a thick plate and fixed by screws, and is connected to the outer frame bearing 15 through a rotating shaft of the third rotating shaft a3, and the outer frame bearing 15 generally adopts a cross roller bearing. The whole rotating part is arranged on a gyroscope support stand 16, and a control computer and display 17 and a control knob 18 are arranged in the gyroscope support stand 16.
Fig. 2 is a side view of a gyroscopic property measurement and demonstration apparatus for more clearly showing the relationship of components of a gyroscopic property measurement and demonstration apparatus according to an embodiment of the present invention. Line A-A in FIG. 2 coincides with line A2 and line B-B coincides with line A3. An inner frame rotating shaft A2 is arranged along the line A-A, and an inner frame bearing locking mechanism 9, an inner frame gyro moment sensor 5, an inner frame rotor protection cover 1, an inner frame conductive slip ring 7, an inner frame angle sensor 6 and an inner frame bearing 8 are respectively arranged from left to right. The inner frame bearing locking mechanism 9 is used for adjusting the rotational degree of freedom of the inner frame rotor protective cover 1 along the axis a2, and can adopt a clamping groove, a screw, an electric clamping lock and the like, and in this example, a screw locking mode is adopted. The in-frame gyro moment sensor 5 is used to measure a rotational moment around the rotational axis a2, and is effective only when the in-frame bearing locking mechanism 9 is locked. The inner frame conductive slip ring 7 is an electrical component responsible for communicating with the rotating body and transmitting energy and signals, and in consideration of the rotor driving motor 20 with high power inside, the inner frame conductive slip ring 7 needs to adopt a component capable of bearing high current. The inner frame bearing 8 is a member for providing the inner frame rotor protection cover 1 with a degree of freedom of rotation about the second rotation axis a2, and is symmetrically installed on the outer frame 10.
As shown in fig. 3, which is a schematic view along the line a-a in fig. 2, a specific arrangement along the first rotating shaft a1 and the second rotating shaft a2 is shown. Along the direction of the first rotating shaft A1, a gyro rotor 19 and a rotor driving motor 20 are arranged, the gyro rotor 19 is a high-density and large-moment-of-inertia component, a stator of the rotor driving motor 20 is fixedly connected with the inner frame rotor protection cover 1, and a rotor of the rotor driving motor 20 is fixedly connected with the gyro rotor 19. Along the direction of the second rotating shaft A2, the inner frame bearing locking mechanism 9 can control the rotating freedom of the rotating shaft around A2, and simultaneously, a gyro moment sensor 5 is connected in series, and one side of the gyro moment sensor 5 is fixedly connected with the inner frame rotor protection cover 1. An inner frame conductive slip ring 7, an inner frame angle sensor 6 and an inner frame bearing 8 are connected in series on the rotating shaft on the other side of the inner frame rotor protective cover 1.
Fig. 4 is a schematic view along the line B-B in fig. 2, showing a specific arrangement along the third rotation axis a3, and also showing the side of the inner frame rotor protection cover 1. The inner frame rotor protective cover 1 is composed of a first end cover 101, a second end cover 103 and a central shell 102, wherein the central shell 102 is provided with a small hole 104 for passing a conducting wire and an observation window 4 for observing the rotation of the gyro rotor 19. Balance adjusting weight 2 is fixed in the end cover both sides, adjusts balancedly to provide outside effect moment, balance adjusting weight 2 can remove when using, and fix a position through fastening screw 202. Along the third rotating shaft a3 direction, from bottom to top, an outer frame bearing locking mechanism 11, an outer frame angle sensor 12, an outer frame conductive slip ring 13, an outer frame driving motor 14 and an outer frame bearing are arranged. The outer frame bearing locking mechanism 11 is used for unlocking or locking the rotational degree of freedom of the gyroscope along the third rotation axis a3, and can adopt a clamping groove, a screw, an electric clamping lock and the like. The casing driving motor 14 is used for driving the gyroscope casing frame 10 to revolve around the third rotating shaft A3, and a clutch device is arranged inside the casing driving motor 14, so that the driving motor 14 can be disconnected from the third rotating shaft A3 when necessary. The outer frame angle sensor 12 is used for detecting the rotation angle of the outer frame along the A3 axis in a closed loop mode, and the outer frame conductive slip ring 13 is used for supplying power.
Claims (4)
1. A gyro axis-fixity demonstration method based on a gyro effect demonstration and measurement device is disclosed, wherein the gyro effect demonstration and measurement device comprises:
a protective cover (1) of the inner frame rotor,
a balance adjusting weight (2),
a gyro rotating speed sensor (3),
an observation window (4),
a gyro moment sensor (5) with an inner frame,
an inner frame angle sensor (6),
a conductive slip ring (7) of the inner frame,
an inner frame bearing (8),
an inner frame bearing locking mechanism (9),
an outer frame (10),
an outer frame bearing (15),
a gyroscope support stand (16),
a control computer and a display are arranged on the display,
a control knob (18) is provided,
a top rotor (19),
a rotor driving motor (20),
a frame bearing locking mechanism (11) for unlocking and locking the rotational degree of freedom of the gyroscope along a third rotational axis (A3),
wherein:
the inner frame rotor protective cover (1) is a spindle body and is used for protecting the gyro rotor (19) inside and reducing the influence of external factors on the gyro rotor (19),
a gyro rotor (19) and a rotor driving motor (20) are arranged in the inner frame rotor protective cover (1), a balance adjusting weight (2) and a gyro rotating speed sensor (3) are arranged at the two outer ends of the inner frame rotor protective cover and are connected with the outer frame (10) through a second rotating shaft (A2) and an inner frame bearing (8),
an inner frame gyro moment sensor (5), an inner frame angle sensor (6), an inner frame conductive slip ring (7), an inner frame bearing (8) and an inner frame bearing locking mechanism (9) are connected in series on a second rotating shaft (A2) connected with an inner frame rotor protective cover (1) and an outer frame (10),
the observation window (4) is arranged on the inner frame rotor protective cover (1),
the rotor driving motor (20) drives the gyro rotor (19) to rotate around a first rotating shaft (A1),
the inner frame rotor protection cover (1) can rotate around a second rotating shaft (A2),
the outer frame (10) can rotate around a third rotating shaft (A3),
the outer frame (10) is connected with the outer frame bearing (15) through a rotating shaft on a third rotating shaft (A3),
the outer frame bearing (15) adopts a crossed roller bearing,
comprises an inner frame rotor protective cover (1), balance adjusting weights (2), a gyro rotating speed sensor (3), an observation window (4), an inner frame gyro moment sensor (5), an inner frame angle sensor (6), an inner frame conductive slip ring (7), an inner frame bearing (8), an inner frame bearing locking mechanism (9), an outer frame (10), a gyro rotor (19), a rotor driving motor (20) and the whole rotating part thereof are arranged on a gyro support platform (16), a control computer, a display and a control knob (18) are arranged in the gyro support platform (16),
it is characterized by comprising:
s1) loosening the inner frame bearing and the outer frame bearing locking mechanism;
s2) adjusting the balance adjusting weight so that the rotor protecting cover of the inner ring can be kept horizontal around the first rotating shaft;
s3) locking the inner frame bearing and the outer frame bearing locking mechanism;
s4), adjusting the working mode of the gyroscopic effect demonstration and measurement equipment to a fixed axis demonstration mode by using a control computer, wherein in the mode, the connection between the outer frame driving motor and the outer frame rotating shaft is automatically separated, and the angle and force sensor are initialized;
s5) setting the spinning speed of the gyroscope and starting the spinning of the gyroscope;
s6), when the gyro reaches the preset autorotation speed, the inner frame bearing locking mechanism and the outer frame bearing locking mechanism are loosened;
s7) rotating the gyroscopic effect demonstration and measurement equipment to observe the orientation of the rotor protective cover.
2. The gyroscopic centrality demonstration method of claim 1, wherein:
the outer frame bearing locking mechanism (11) adopts one form selected from a clamping groove, a screw and an electric clamping lock.
3. The gyroscopic centrality demonstration method of claim 1, wherein:
the observation window (4) is made of toughened glass or organic glass and is used for observing the rotation of the gyro rotor (19).
4. The gyroscopic centrality demonstration method of claim 1, wherein:
the outer frame (10) is a frame made of a thick plate and is fixed by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336252.6A CN109410711B (en) | 2018-11-08 | 2018-11-08 | Gyro effect demonstration and measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336252.6A CN109410711B (en) | 2018-11-08 | 2018-11-08 | Gyro effect demonstration and measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109410711A CN109410711A (en) | 2019-03-01 |
| CN109410711B true CN109410711B (en) | 2020-12-18 |
Family
ID=65472558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336252.6A Active CN109410711B (en) | 2018-11-08 | 2018-11-08 | Gyro effect demonstration and measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109410711B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223593A (en) * | 2019-07-12 | 2019-09-10 | 中国人民解放军空军工程大学航空机务士官学校 | A kind of rate-of-turn gyroscope principle demonstration platform and its demenstration method |
| CN110639212A (en) * | 2019-10-12 | 2020-01-03 | 齐齐哈尔大学 | Manual eddy current gyro |
| CN111554162B (en) * | 2020-06-16 | 2024-03-15 | 吉林大学 | Eddy current braking law measuring device and method based on radial magnetic field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162686Y (en) * | 1993-07-21 | 1994-04-20 | 张仲模 | Electric gyroscope with three-freedom |
| CN201081714Y (en) * | 2007-09-14 | 2008-07-02 | 深圳市艾特航模有限公司 | Micro mechanical gyroscope |
| CN101436356A (en) * | 2008-12-16 | 2009-05-20 | 北京航空航天大学 | Apparatus and method for measuring gyro moment |
| CN103971564A (en) * | 2014-05-23 | 2014-08-06 | 北京航空航天大学 | Gyroscope character demonstrating device |
| RU161802U1 (en) * | 2014-12-30 | 2016-05-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана) | DEVICE FOR DEMONSTRATION AND RESEARCH OF GYROSCOPIC PHENOMENA |
-
2018
- 2018-11-08 CN CN201811336252.6A patent/CN109410711B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162686Y (en) * | 1993-07-21 | 1994-04-20 | 张仲模 | Electric gyroscope with three-freedom |
| CN201081714Y (en) * | 2007-09-14 | 2008-07-02 | 深圳市艾特航模有限公司 | Micro mechanical gyroscope |
| CN101436356A (en) * | 2008-12-16 | 2009-05-20 | 北京航空航天大学 | Apparatus and method for measuring gyro moment |
| CN103971564A (en) * | 2014-05-23 | 2014-08-06 | 北京航空航天大学 | Gyroscope character demonstrating device |
| RU161802U1 (en) * | 2014-12-30 | 2016-05-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана) | DEVICE FOR DEMONSTRATION AND RESEARCH OF GYROSCOPIC PHENOMENA |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109410711A (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109410711B (en) | Gyro effect demonstration and measuring equipment | |
| US10746756B2 (en) | Dynamic testing device suitable for drilling tool attitude measurement module | |
| US6816788B2 (en) | Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment | |
| CA2372640C (en) | The method of and apparatus for determining the path of a well bore under drilling conditions | |
| US4197654A (en) | Survey apparatus and method employing all latitude, all attitude gyrocompassing | |
| CN108168550B (en) | High-speed rotating carrier inertia attitude measuring device | |
| CN105737855B (en) | Turret systems for pick up calibration and test | |
| CN106121630B (en) | A kind of single-axis servo continuous inclinometer Inertial Measurement Unit | |
| CN108519087A (en) | Tracking platform device based on MEMS gyro and tracking | |
| JPS5830523B2 (en) | Azimuth and inclination scanning device for drilling line and how to use it | |
| US4458554A (en) | Apparatus for and method of compensating dynamic unbalance | |
| US4214482A (en) | Inertial instrument | |
| US4696112A (en) | Bore hole navigator | |
| RU2339910C1 (en) | Gyroscopic compass | |
| JP3852592B2 (en) | Gyro apparatus and method of using gyro apparatus for excavation | |
| CN113739820A (en) | Single-shaft sudden stop turntable based on gyroscope characteristics | |
| JP3668855B2 (en) | Gyro compass | |
| CN106917621A (en) | Small-bore single gyro horizontal well spin orientation inclination measurement device and method | |
| RU2526477C1 (en) | Gyrocompass | |
| CN112082575B (en) | Test device and method for testing influence of acceleration on tilt angle sensor | |
| JP2640526B2 (en) | Hole bending measurement device | |
| CN107228649A (en) | A kind of automatized magnetic open gate theodolite for absolute geomagnetic observation | |
| CN106342275B (en) | A kind of airborne CCD disappears as revolving mechanism | |
| RU2650425C1 (en) | Gyro-compass with visual channel | |
| CN117759226A (en) | Single-shaft double-degree-of-freedom gyro inclinometer and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |