CN209764116U - Double-shaft electric non-magnetic rotary table - Google Patents
Double-shaft electric non-magnetic rotary table Download PDFInfo
- Publication number
- CN209764116U CN209764116U CN201721788165.5U CN201721788165U CN209764116U CN 209764116 U CN209764116 U CN 209764116U CN 201721788165 U CN201721788165 U CN 201721788165U CN 209764116 U CN209764116 U CN 209764116U
- Authority
- CN
- China
- Prior art keywords
- pitching
- shaft
- transmission mechanism
- driving transmission
- azimuth
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a double-shaft electric non-magnetic turntable, which comprises a mechanical table body and a control table; the mechanical table body comprises an outer ring azimuth shaft component and an inner ring pitching component; the outer ring azimuth axis part consists of a base support shell, an azimuth axis shaft system and an azimuth axis driving transmission mechanism; an azimuth axis shaft system which is vertically upward is arranged in the base support shell and is driven by the azimuth axis driving transmission mechanism; the inner ring pitching component consists of a working table surface, a pitching shaft system, a pitching U-shaped supporting shell and a pitching driving transmission mechanism; the pitching axis system consists of a pitching driving transmission mechanism; the console comprises a driver in signal connection with the driving mechanisms of the azimuth axis driving transmission mechanism and the pitching driving transmission mechanism respectively, an industrial personal computer in signal connection with the conductive slip ring and the driver respectively, and a voltage stabilizing source electrically connected with the conductive slip ring, the driver, the industrial personal computer and the driving mechanisms respectively.
Description
Technical Field
The invention relates to a non-magnetic rotary table, in particular to a double-shaft non-magnetic rotary table.
background
The development of new technology and the needs of national defense industry, the unique advantage of the geomagnetic navigation system is more and more used for aerospace, aviation and intelligent ammunition, but the geomagnetic navigation system is easily influenced by an external interference magnetic field, so that the geomagnetic navigation system is required to be calibrated, tested and simulated on the bottom surface, the interference magnetic field cannot occur, the index of the geomagnetic navigation system is influenced, the current nonmagnetic turntable can not be driven electrically although nonmagnetic, and thus the inertial navigation system cannot be dynamically tested, calibrated and simulated, and the batch progress and dynamic calibration of the geomagnetic navigation system are seriously influenced. The system is successfully developed and fills the domestic blank.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide an ultrahigh impact overload resistant motor with a simple structure and a method.
In order to solve the technical problem, the invention provides a double-shaft electric non-magnetic turntable, which comprises a mechanical turntable body and a control table: the mechanical table body comprises an outer ring azimuth shaft part and an inner ring pitching part which are respectively internally provided with a driving system; the outer ring azimuth shaft part consists of a base support shell, an azimuth shaft system and an azimuth shaft driving transmission mechanism; an azimuth shaft system which is vertically upward is arranged in the base supporting shell and is driven by an azimuth shaft driving transmission mechanism; the inner ring pitching comprises a working table surface, a pitching shaft system, a pitching U-shaped supporting shell and a pitching driving transmission mechanism; the working table surface is fixedly connected with the upper end of the azimuth axis system; a pitching U-shaped support shell is arranged at the upper end of the working table surface, pitching shafting is arranged on supporting points at two ends of the pitching U-shaped support shell, and the pitching shafting is composed of a pitching driving transmission mechanism; an output shaft of the pitching driving transmission mechanism is provided with a shaft angle encoder through a conductive slip ring; the control platform comprises a driver respectively in signal connection with the azimuth axis driving transmission mechanism and the pitching driving transmission mechanism, an industrial personal computer respectively in signal connection with the conductive sliding ring and the driver, and a voltage stabilizing source respectively electrically connected with the conductive sliding ring, the super-harmonic drive, the industrial personal computer and the super-harmonic motor.
The improvement of the double-shaft electric non-magnetic turntable is as follows: the azimuth axis driving transmission mechanism and the pitching driving transmission mechanism are respectively an ultrasonic motor I and an ultrasonic motor II; the driver is an ultrasonic driver.
The invention relates to a further improvement of a double-shaft electric non-magnetic turntable, which comprises the following steps: the conductive slip ring adopts an electric brush type structure.
The invention relates to a further improvement of a double-shaft electric non-magnetic turntable, which comprises the following steps: the conductive slip ring consists of a rotor lead, a conductive ring sheet, a brush wire, a brush holder, a stator lead, a rotor shaft, a bearing, a flange plate and a stator shell; a rotor shaft is arranged in the stator shell, bearings are sleeved at two ends of the rotor shaft, and the bearings are fixed in the stator shell through flange plates; the rotor shaft is sleeved with a conductive ring sheet, the conductive ring sheet is sleeved with a brush wire, and the brush wire is fixed on the flange plate through a brush holder; and a stator lead is arranged in the rotor shaft.
The invention relates to a further improvement of a double-shaft electric non-magnetic turntable, which comprises the following steps: the mechanical table body adopts a U-U type structure
The invention further improves the double-shaft electric non-magnetic turntable: the shaft angle encoder adopts a split-type non-magnetic grating encoder
the invention relates to a further improvement of a double-shaft electric non-magnetic turntable, which comprises the following steps: the mechanical table body is connected with the control table without the cable.
The invention aims to overcome the defects and provide an inner shaft and an outer shaft which are 4 revolutions per minute. The magnetic strength of the turntable body is less than 40 nT. The mechanical table body and the control table are connected by cables so as to realize the transmission of motor drive, shaft-angle encoder power supply and measurement information.
The invention can make the magnetic sensor as the main component to be the inertial navigation system, and test, calibration, semi-physical simulation and other tests can be carried out on the ground.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the principal structure of the present invention;
FIG. 2 is a schematic view of the principal structure of FIG. 1;
FIG. 3 is a schematic view of a state of FIG. 1;
FIG. 4 is a schematic view of another state of FIG. 1;
fig. 5 is a schematic view of the main state of conductive slip ring 124.
Detailed Description
Embodiment 1, fig. 1-5 show a two-axis electric non-magnetic turntable, which includes a mechanical table body 1 and a console: the mechanical table body 1 includes an outer ring azimuth axis part 11 and an inner ring pitch part 12 each having a built-in drive system:
outer ring azimuth axis part 11 comprises base support shell, azimuth axis 111, azimuth axis drive mechanism: set up vertical ascending azimuth axis shafting 111 in this base supporting shell, this azimuth axis shafting 111 is driven by azimuth axis drive transmission: azimuth axis drive mechanism includes ultrasonic motor I110 and gear I: the lower extreme of azimuth axis 111 sets up gear I, sets up the tooth with 1 looks meshing of gear on the output shaft of ultrasonic motor I110: the power is provided by the rotation of the output shaft of the ultrasonic motor I110, and then the power is converted into the rotating force of the azimuth axis shaft system 111 through the gear. The inner ring pitch part 12 consists of a working table 121, a pitch axis 122, a pitch u-shaped support shell 123 and a pitch drive transmission mechanism: the upper end of the working table 121 is provided with a pitching u-shaped supporting shell 123, and a pitching axis 122 is arranged on the supporting points at the two ends of the pitching u-shaped supporting shell 123, and the pitching axis 122 is composed of a pitching driving transmission mechanism: an output shaft of the pitch driving transmission mechanism is provided with a shaft angle encoder 125 through a conductive slip ring 124 (brush type structure); the pitching driving transmission mechanism comprises an ultrasonic motor II 120 and a gear II; one end of the pitch axis system 122 is provided with a gear II, an output shaft of the ultrasonic motor II 120 is provided with teeth meshed with the gear II, power is output through the output shaft of the ultrasonic motor II 120, and the pitch axis system 122 is driven, and the conductive slip ring 124 is composed of a rotor lead 1241, a conductive ring sheet 1242, brush wires 1243, a brush holder 1244, a stator lead 1245, a rotor shaft 1246, a bearing 1247, a flange 1248 and a stator housing 1249: a rotor shaft 1246 is arranged in the stator housing 1249, bearings 1247 are sleeved at two ends of the rotor shaft 1246, and the bearings 1247 are fixed in the stator housing 1249 through a flange 1248; the rotor shaft 1246 is sleeved with a conductive ring plate 1242, the conductive sliding plate 1242 is sleeved with brush wires 1243, and the brush wires 1243 are fixed on the flange 1248 through a brush holder: a stator lead 1245 is provided in the rotor shaft 1246.
the utility model discloses a device passes through electrical system control, and its electrical system controls the platform including controlling the platform respectively with azimuth axis drive mechanism and every single move drive mechanism's actuating mechanism signal connection's driver, respectively with the industrial computer of leading electrical slip ring, driver signal connection, respectively with the steady voltage source of leading electrical slip ring 124, driver, industrial computer, actuating mechanism electricity connection. Wherein, the stator lead 1245 and the rotor 1241 are respectively connected with the industrial personal computer through signals.
The shaft angle encoder adopts a split-type non-magnetic grating encoder. And the mechanical table body 1 and the rest control tables are connected by adopting non-magnetic cables.
The utility model discloses an electronic no magnetism revolving stage of biax main design target realizes that work area magnetic field distortion is less than or equal to 40nt, so the design key considers no magnetism requirement.
1) Selecting materials: the mechanical table body of the turntable mainly adopts non-magnetic aluminum 2A12 and cast aluminum 105, and a small amount of titanium alloy is adopted. The bearing adopts a sliding bearing made of tin bronze and polytetrafluoroethylene.
2) The parts are as follows: and customizing a round grating made of a non-magnetic material as a precise angle measuring element, and customizing a conductive slip ring made of the non-magnetic material.
3) the circuit design considers nonmagnetic wires and nonmagnetic electric connectors.
4) Magnetic circuit shielding and circuit shielding measures are taken.
The speed reduction transmission of the azimuth axis driving transmission mechanism and the pitching driving transmission mechanism of the utility model is 1: 30.
the shaft encoder 125 is a non-magnetic encoder, which is used as an angle measuring element, and the distance from the measured part to the table top is about 300mm, and the shaft encoder is electrically shielded and used for transmitting electrical signals through the conductive slip ring 124.
The pitching shafting material selects nonmagnetic duralumin, tin bronze and polytetrafluoroethylene, and the parts of the worktable surface, the supporting shell, the driving transmission mechanism and the like adopt nonmagnetic cast aluminum, nonmagnetic duralumin 2A12, a small amount of copper alloy and the like.
The azimuth axis system material selects nonmagnetic duralumin, tin bronze and polytetrafluoroethylene, and the components of the worktable surface, the L-shaped base support shell, the driving transmission mechanism and the like adopt nonmagnetic cast aluminum, nonmagnetic duralumin 2A12, a small amount of copper alloy and the like.
In designing and manufacturing conductive slip ring 124, materials and components must be tested for magnetic strength and electromagnetic shielding performance.
The shaft angle encoder adopts a split-type non-magnetic grating encoder as an angular position sensing element; the double-shaft manual nonmagnetic turntable measuring circuit adopts a specially-developed NC2090 split type nonmagnetic grating encoder as an angular position sensing element. The measuring output signal is connected to a measuring electronic box through a cable of about 20m and is converted into an angular position digital signal, and the angular position digital signal is connected to a data acquisition computer through an RS-422 interface.
the utility model discloses an equipment can also include pitch axis angle encoder and azimuth axis angle encoder, produces the angle coding information transmission to the control cabinet of pitch axis and azimuth axis respectively. When the rotary table works, the tested piece generates calibration information and user-defined information, the calibration information is transmitted to the working table, and the user-defined information is transmitted to the user testing system.
The angle encoder adopts a specially-customized NC2090 split type non-magnetic grating encoder as an angular position sensing element, and a measured value is encoded into an RS485 serial data stream, is connected to a multi-serial-port card through a cable with the length of 5-20 meters and is submitted to a PC host for processing.
And the software of the upper computer of the double-shaft electric non-magnetic turntable is used for synchronously acquiring data from the turntable and displaying and storing a processing result in real time. The method comprises the calibration information of a measured part and the angular position information of an inner shaft encoder and an outer shaft encoder. Thus, the software functions can be divided into the following 4 blocks:
1. Synchronous acquisition: and calling the drive of the multi-serial-port card, and sampling the received rotary table data in a plurality of strings at a certain frequency. The information refreshing frequency of the tested piece is 200Hz, and the information refreshing frequency of the angle encoder is 1 KHz.
2. And (3) motion control: calculating the speed and the control quantity required by the ultrasonic motor according to the angular position and the position information from the inner shaft angular encoder, and controlling the ultrasonic motor to be in closed-loop control; and calculating the speed control quantity required by the ultrasonic wave according to the angular position information and the position information from the outer shaft angular encoder, and controlling the closed-loop control of the ultrasonic motor.
3. And (3) storing: when the world host computer software is started each time, a file related to a system clock is automatically named, the sampled data frames of the inner shaft angle encoder and the outer shaft angle encoder, the detected data frames and the calculated angular speed information are assembled into a data structure and written into the file.
4. Displaying: the angular position and angular rate information is displayed on a graphical interface and transmitted to the secondary display for reference by the turret operator. On the other graphical interface, the angular position, the angular rate and the measured data frame information are displayed in groups, and the display frequency is 10 Hz.
Finally, it should also be noted that the above-mentioned list is only one specific embodiment of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (7)
1. A double-shaft electric non-magnetic turntable comprises a mechanical turntable body (1) and a control table: the method is characterized in that: the mechanical table body (1) comprises an outer ring azimuth shaft component (11) and an inner ring pitching component (12) which are respectively provided with a built-in driving system;
The outer ring azimuth shaft component (11) consists of a base support shell, an azimuth shaft system (111) and an azimuth shaft driving transmission mechanism;
An azimuth axis shaft system (111) which is vertically upward is arranged in the base supporting shell, and the azimuth axis shaft system (111) is driven by an azimuth axis driving transmission mechanism;
The inner ring pitching component (12) consists of a working table surface (121), a pitching shaft system (122), a pitching u-shaped supporting shell (123) and a pitching driving transmission mechanism;
The working table top (121) is fixedly connected with the upper end of the azimuth axis system (111);
The utility model discloses a pitching machine, including table surface (121), workstation, pitching U type support housing (123), set up pitching shafting (122) on the both ends fulcrum of pitching U type support housing (123), pitching shafting (122) are by pitching drive mechanism constitution: an output shaft of the pitching driving transmission mechanism is provided with a shaft angle encoder (125) through a conductive slip ring (124);
The console comprises a driver in signal connection with the driving mechanisms of the azimuth axis driving transmission mechanism and the pitching driving transmission mechanism respectively, an industrial personal computer in signal connection with the conductive slip ring and the driver respectively, and a voltage stabilizing source electrically connected with the conductive slip ring (124), the driver, the industrial personal computer and the driving mechanism respectively.
2. the dual-axis electric non-magnetic turntable of claim 1, wherein: the azimuth axis driving transmission mechanism comprises an ultrasonic motor I (110) and a gear I;
A gear I is arranged at the lower end of the azimuth axis system (111), and teeth meshed with the gear I are arranged on an output shaft of the ultrasonic motor I (110);
The pitching driving transmission mechanism comprises an ultrasonic motor II (120) and a gear II;
One end of the pitching shaft system (122) is provided with a gear II, and an output shaft of the ultrasonic motor II (120) is provided with teeth meshed with the gear II.
3. The dual-axis electric non-magnetic turntable of claim 1, wherein: the conductive slip ring adopts an electric brush type structure.
4. The dual-axis electric non-magnetic turntable of claim 1, wherein: the conductive slip ring (124) is composed of a rotor lead (1241), a conductive ring sheet (1242), an electric brush wire (1243), an electric brush holder (1244), a stator lead (1245), a rotor shaft (1246), a bearing (1247), a flange plate (1248) and a stator shell (1249);
A rotor shaft (1246) is arranged in the stator shell (1249), bearings (1247) are sleeved at two ends of the rotor shaft (1246), and the bearings (1247) are fixed in the stator shell (1249) through a flange plate (1248);
The rotor shaft (1246) is sleeved with a conductive ring sheet (1242), and the brush wire (1243) is sleeved on the conductive ring sheet (1242), and the brush wire (1243) is fixed on the flange plate (1248) through a brush holder (1244);
A stator lead (1245) is arranged in the rotor shaft (1246);
and the stator lead (1245) and the rotor lead (1241) are respectively in signal connection with an industrial personal computer.
5. The dual-axis electric non-magnetic turntable of claim 1, wherein: the mechanical table body (1) adopts a U-U type structure.
6. the dual-axis electric non-magnetic turntable of claim 1, wherein: the shaft angle encoder adopts a split-type non-magnetic grating encoder.
7. the dual-axis electric non-magnetic turntable of claim 1, wherein: the mechanical table body (1) is not connected with the control table through the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788165.5U CN209764116U (en) | 2017-12-19 | 2017-12-19 | Double-shaft electric non-magnetic rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788165.5U CN209764116U (en) | 2017-12-19 | 2017-12-19 | Double-shaft electric non-magnetic rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764116U true CN209764116U (en) | 2019-12-10 |
Family
ID=68743389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721788165.5U Active CN209764116U (en) | 2017-12-19 | 2017-12-19 | Double-shaft electric non-magnetic rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209764116U (en) |
-
2017
- 2017-12-19 CN CN201721788165.5U patent/CN209764116U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204329980U (en) | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable | |
| CN103207125B (en) | Electro-contact abrasion test bench for cylindrical conductive slip ring | |
| CN103411715B (en) | A kind of torque motor resistance moment test macro | |
| CN204346451U (en) | A kind of electric dynamic triaxial is without magnetic turntable | |
| CN106628006B (en) | A kind of smart mobile phone wave buoy | |
| CN104111347A (en) | Raster encoder low-speed precision detection apparatus | |
| CN102022955B (en) | Manual double-shaft non-magnetic rotary table | |
| CN209764116U (en) | Double-shaft electric non-magnetic rotary table | |
| CN107942726B (en) | Magnetic suspension ball rod system semi-physical simulation experiment platform based on rapid model | |
| CN104144340A (en) | 3D effect testing system and method | |
| CN206300968U (en) | A kind of accelerometer test device | |
| CN113446926A (en) | Automatic calibration device and method for sensitivity of magnetoelectric displacement sensor | |
| CN104215167A (en) | Electronic number displayer | |
| CN203376091U (en) | Moment motor resistance moment test system | |
| CN210533302U (en) | Step angle precision detection device | |
| CN208223477U (en) | A kind of Portable field survey gradient instrument | |
| CN102095540A (en) | Reaction torque test method and tester | |
| CN212906719U (en) | Coriolis force experimental instrument | |
| CN202693028U (en) | Automatic fine adjustment system for position sensor | |
| CN215177516U (en) | Automatic calibration device for sensitivity of magnetoelectric displacement sensor | |
| CN106872085B (en) | Automatic testing arrangement of unmanned aerial vehicle horn kinetic energy efficiency | |
| CN111912358B (en) | High-precision inclination angle sensor calibration device and control method thereof | |
| CN209640684U (en) | Experiment porch | |
| CN212723234U (en) | Motor performance testing machine | |
| CN213337933U (en) | Multi-working-condition motor performance test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |