CN112728340A - Two-shaft hollow rotary table for multi-system coaxial integrated design - Google Patents

Two-shaft hollow rotary table for multi-system coaxial integrated design Download PDF

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Publication number
CN112728340A
CN112728340A CN202110074061.2A CN202110074061A CN112728340A CN 112728340 A CN112728340 A CN 112728340A CN 202110074061 A CN202110074061 A CN 202110074061A CN 112728340 A CN112728340 A CN 112728340A
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CN
China
Prior art keywords
hollow
axis
shell
assembly
main shaft
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Pending
Application number
CN202110074061.2A
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Chinese (zh)
Inventor
武春风
高洋
吴丰阳
邓键
朱彦
马社
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CASIC Microelectronic System Research Institute Co Ltd
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CASIC Microelectronic System Research Institute Co Ltd
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Priority to CN202110074061.2A priority Critical patent/CN112728340A/en
Publication of CN112728340A publication Critical patent/CN112728340A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement
    • F16M2200/022—Locking means for rotational movement by friction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention relates to the technical field of turntables, and particularly discloses a two-axis hollow turntable for multi-system coaxial integrated design, which comprises an azimuth axis system rotating along a Y axis and a pitching axis system arranged on the side surface of the azimuth axis system and rotating along an X axis; the azimuth shaft system comprises a hollow main shaft assembly, a shell assembly sleeved outside the hollow main shaft assembly, and Y-axis driving mechanisms located between the shell assembly and the hollow main shaft assembly and connected with the shell assembly and the hollow main shaft assembly respectively. The invention solves the problem that the anti-unmanned aerial vehicle in the prior art is provided with a plurality of anti-braking means for coaxial integration and installation, and realizes that all systems are completely integrated without shielding; the two-shaft hollow rotary table can realize coaxial integrated installation of multiple anti-unmanned aerial vehicle means, and is based on modular design, compact in structure and flexible in configuration.

Description

Two-shaft hollow rotary table for multi-system coaxial integrated design
Technical Field
The invention relates to the technical field of rotary tables, in particular to a two-shaft hollow rotary table for multi-system coaxial integrated design.
Background
Along with the development and the maturity of unmanned aerial vehicle technique, unmanned aerial vehicle event is frequent everywhere, and the demand of anti-unmanned aerial vehicle equipment is urgent increasingly. However, because unmanned aerial vehicles are various in types and flying scenes, interception and countermeasures of the black flying unmanned aerial vehicle are not high by means of a single means, so that the anti-unmanned aerial vehicle is generally effective and reliable, and various means such as radar detection, photoelectric detection, radio frequency spectrum detection, radio interference suppression, navigation trap and the like are integrated. To cover the full airspace as much as possible, various counter-devices are usually mounted on the turntable.
At present, various kinds of anti-system equipment are all configured with the revolving stage alone, and can't coaxial integrated installation, especially diaxon revolving stage, and multiple anti-system equipment can't avoid causing mutual sheltering from when installing on same platform, has the anti-system blind area.
Disclosure of Invention
The invention aims to solve the technical problem of providing a two-shaft hollow rotary table for multi-system coaxial integrated design; the problem that the anti-unmanned aerial vehicle is provided with multiple anti-braking means and is coaxially integrated and mounted in the prior art is solved, and the complete non-shielding integration of all systems is realized; the two-shaft hollow rotary table can realize coaxial integrated installation of multiple anti-unmanned aerial vehicle means, and is based on modular design, compact in structure and flexible in configuration.
The technical problem to be solved by the invention is as follows:
a two-axis hollow rotary table for multi-system coaxial integrated design comprises an azimuth axis system rotating along a Y axis and a pitching axis system which is arranged on the side surface of the azimuth axis system and rotates along an X axis; the azimuth shaft system comprises a hollow main shaft assembly, a shell assembly sleeved outside the hollow main shaft assembly, and Y-axis driving mechanisms located between the shell assembly and the hollow main shaft assembly and connected with the shell assembly and the hollow main shaft assembly respectively.
The working principle is as follows: the hollow spindle assembly is fixed, the bottom of the hollow spindle assembly is fixedly connected with other parts, and the shell assembly and other equipment mounted on the shell assembly rotate around the axis of the hollow spindle assembly through the Y-axis driving mechanism; the pitching shaft system is connected with the azimuth shaft system, so that the pitching shaft system is driven to rotate along the axis of the hollow main shaft assembly; the pitching axis system simultaneously realizes the rotation along the X axis and the Y axis in the use process.
In some possible embodiments, in order to effectively realize the rotation of the shell assembly and the pitch shaft system connected with the shell assembly along the axis of the hollow spindle assembly, the Y-axis driving mechanism comprises a torque motor which is sleeved outside the hollow spindle assembly and is connected with the hollow spindle assembly; the outer side of the torque motor is connected with the shell component.
In some possible embodiments, the housing assembly comprises an upper housing, a middle housing and a lower housing which are sequentially sleeved outside the hollow spindle assembly from top to bottom; the upper shell, the middle shell and the lower shell are sequentially connected with the outer side of the hollow spindle assembly to form a first mounting cavity for mounting the torque motor.
In some possible embodiments, in order to make the rotation of the housing assembly and the pitch shaft system along the hollow main shaft assembly more stable; the Y-axis driving mechanism further comprises a roller bearing I arranged between the lower shell and the hollow shaft assembly; the inner ring of the roller bearing I is connected with the hollow main shaft assembly, and the outer ring of the roller bearing I is connected with the middle outer shell.
In some possible embodiments, the hollow spindle assembly includes a first hollow shaft and a second hollow shaft which are coaxially arranged and connected with each other; the inner ring of the torque electric motor is connected with the outer side of the hollow shaft I; and the inner ring of the roller bearing I is connected with the outer side of the hollow shaft II.
In some possible embodiments, the rotation along the X-axis direction can be realized for effectively realizing the pitch shafting; the two pitching shaft systems are symmetrically arranged along the axis of the hollow main shaft assembly; the X-axis driving mechanism is mounted on the base shell and used for controlling the load mounting flange to rotate along the X-axis direction.
In some possible embodiments, in order to effectively enable the load mounting flange and the equipment mounted on the load mounting flange to rotate along the X-axis direction; the base shell is provided with a hollow shaft along the X-axis direction; the X-axis driving mechanism is rotatably arranged on a worm wheel on the outer side of the hollow shaft, a worm meshed with the worm wheel and a driving device in transmission connection with the worm; the load mounting flange is mounted on a side of the turbine remote from the hollow main shaft assembly.
In some possible embodiments, in order to make the rotation of the load mounting flange more stable, a second roller bearing is sleeved outside the hollow shaft, an inner ring of the second roller bearing is connected with the hollow shaft, and an outer ring of the second roller bearing is connected with the worm wheel.
In some possible embodiments, in order to effectively realize the measurement of the rotation angle along the Y-axis direction; the azimuth shaft system also comprises an upper end cover which is sleeved outside the hollow main shaft assembly and connected with one side of the upper shell far away from the lower shell, and a lower end cover which is sleeved outside the hollow main shaft assembly and connected with one side of the lower shell far away from the upper shell; a second mounting cavity is formed between the upper end cover and the upper shell, a third mounting cavity is formed between the lower end cover and the lower shell, and an electromagnetic band-type brake assembly is mounted in the second mounting cavity; and an azimuth angle sensor is arranged in the third mounting chamber.
In some possible embodiments, to effectively implement the measurement of the pitch angle; the pitch shafting also comprises a pitch angle sensor arranged on the worm gear.
Compared with the prior art, the invention has the beneficial effects that:
the invention effectively realizes the coaxial integrated installation of various anti-unmanned aerial vehicle means by the matching of the azimuth axis system and the pitch axis system, and the turntable is based on modular design, has compact structure and flexible configuration;
the pitching shafting on the two sides of the azimuth shafting are symmetrically arranged and can be replaced, and the pitching shafting on the two sides can be set by the control system to realize synchronous pitching or independent pitching, so that the configuration is flexible and convenient;
the invention is based on modular design, two sides of the azimuth axis system are detachably connected with the two pitching axis systems, and after the two pitching axis systems are taken off, the two pitching axis systems can be directly converted into a coaxial integrated single-axis turntable for use, so that the universality is strong;
by arranging the electromagnetic band-type brake assembly, the power-down self-locking can be realized in a transportation state, and the stability and reliability of equipment in the transportation process are ensured;
the invention can realize the central arrangement of the cable through the hollow shaft; the pitching shaft system is provided with a hollow shaft, so that a cable of a pitching load can be arranged from the center;
the invention has compact structure, small volume, low cost and easy integration.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the worm wheel, the worm and the base housing;
FIG. 3 is a schematic cross-sectional view of a pitch axis system according to the present invention;
FIG. 4 is a side view of a pitch shafting in the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 is a top view of the present invention;
FIG. 7 is a state diagram of the present invention in use;
wherein: 1. an upper end cover; 2. an upper housing; 3. a middle outer shell; 4. a torque motor; 5. the bearing is provided with an adapter; 6. a lower housing; 7. a lower end cover; 8. an azimuth angle sensor; 9. a lower end flange; 10. a hollow shaft II; 11. a hollow shaft I; 12. a roller bearing I; 13. bearing compression rings; 14. installing an adapter; 15. an electromagnetic band-type brake assembly; 16. an upper end flange; 17. a collector ring; 18. aerial plugging of a moving end; 19. the fixed end is inserted by plane; 20. an X-axis drive mechanism; 201. a worm gear; 202. a worm; 21. a servo motor; 22. a pitch angle sensor; 23. a roller bearing II; 24. a wire-passing protective sleeve; 25. a load mounting flange; 27. a base housing; 28. and D, inserting a second navigation plug.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not intended to be exhaustive or to limit the scope of the invention to the precise form disclosed. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The invention is further illustrated with reference to the following figures and examples.
The invention is realized by the following technical scheme, as shown in figures 1-7,
a two-axis hollow rotary table for multi-system coaxial integrated design comprises an azimuth axis system rotating along a Y axis and a pitching axis system which is arranged on the side surface of the azimuth axis system and rotates along an X axis; the azimuth shaft system comprises a hollow main shaft assembly, a shell assembly sleeved outside the hollow main shaft assembly, and Y-axis driving mechanisms located between the shell assembly and the hollow main shaft assembly and connected with the shell assembly and the hollow main shaft assembly respectively.
The working principle is as follows: the hollow spindle assembly is fixed, a first load is mounted at the top of the hollow spindle assembly, the bottom of the hollow spindle assembly is fixedly connected with other components, and the shell assembly and other equipment mounted on the shell assembly rotate around the axis of the hollow spindle assembly through a Y-axis driving mechanism; the pitching shaft system is connected with the azimuth shaft system, so that the pitching shaft system is driven to rotate along the axis of the hollow main shaft assembly; the pitching axis system simultaneously realizes the rotation along the X axis and the Y axis in the use process, thereby driving the load II arranged on the pitching axis system to rotate.
In some possible embodiments, in order to effectively realize the rotation of the shell assembly and the pitch shaft system connected with the shell assembly along the axis of the hollow spindle assembly, the Y-axis driving mechanism comprises a torque motor 4 which is sleeved outside the hollow spindle assembly and is connected with the hollow spindle assembly; the torque motor 4 is connected on the outside to the housing assembly.
The inner side of the torque motor 4 is connected with the hollow spindle assembly, the outer side of the torque motor 4 is connected with the shell assembly, and the torque motor 4 is controlled to be started, so that the shell assembly connected with the outer side of the torque motor 4 rotates around the axis of the hollow spindle assembly, namely, the rotation in the Y-axis direction is realized; thereby driving the pitching axis system connected with the shell component to realize the rotation along the Y-axis direction.
In some possible embodiments, the housing assembly comprises an upper housing 2, a middle housing 3 and a lower housing 6 which are sequentially sleeved outside the hollow spindle assembly from top to bottom; the upper shell 2, the middle shell 3 and the lower shell 6 are sequentially connected with the outer side of the hollow spindle assembly to form a first mounting cavity for mounting the torque motor 4. The outer side of the torque motor 4 is connected with the inner side of the middle shell 3, and then the whole shell assembly is driven to rotate along the Y-axis direction.
Preferably, the upper casing 2, the middle casing 3 and the lower casing 6 are connected by screws.
Preferably, as shown in fig. 1, the first installation chamber is annular, a collector ring 17 is installed in the first installation chamber, and the backflow row is fixedly sleeved outside the hollow main shaft assembly; an installation adaptor 14 is arranged between the collecting ring 17 and the inner ring of the torque motor 4, the installation adaptor 14 is sleeved on the outer side of the collecting ring 17 and is fixedly connected with the outer side of the installation adaptor 14 in a related mode, and the inner ring of the torque motor 4 is connected with the outer side of the installation adaptor 14, so that the connection between the inner ring of the torque motor 4 and the hollow spindle assembly is achieved.
In some possible embodiments, in order to make the rotation of the housing assembly and the pitch shaft system along the hollow main shaft assembly more stable; the Y-axis driving mechanism further comprises a roller bearing I12 arranged between the lower shell 6 and the hollow shaft assembly, the inner ring of the roller bearing I12 is connected with the hollow main shaft assembly, and the outer side of the roller bearing I12 is connected with the lower shell 6.
The inner ring of the roller bearing I12 is connected with the hollow main shaft assembly, and the outer ring of the roller bearing I is connected with the middle outer shell 3.
Preferably, as shown in fig. 1, a bearing compression ring 13 is further installed between the first roller bearing 12 and one side of the installation adaptor 14 close to the lower shell 6; the bearing press ring 13 is mainly used for fixing the roller bearing I12.
Preferably, the lower housing 6 comprises a lower housing 6 body, a bearing mounting adaptor 5 is mounted on one side of the lower housing 6 close to the upper housing 2, a roller bearing mounting chamber is formed between the bearing mounting adaptor 5 and the hollow spindle assembly, and the bearing mounting adaptor 5 is respectively connected with the middle housing 3 and the lower housing 6; the outer ring of the first roller bearing 12 is connected with the bearing mounting adaptor 5.
In some possible embodiments, the hollow spindle assembly includes a hollow shaft one 11 and a hollow shaft two 10 which are coaxially disposed and connected to each other; the inner ring of the torque electric motor is connected with the outer side of the hollow shaft I11; the inner ring of the roller bearing I12 is connected with the outer side of the hollow shaft II 10.
The hollow main shaft component mainly enables the shell component and a pitching shaft system arranged outside the shell component to rotate along the Y axis; the hollow structure is adopted, so that a line of a first load which is arranged on the top of the hollow spindle assembly and is coaxially arranged with the hollow spindle assembly can be arranged through the hollow structure, the arrangement of the line is more convenient and simpler, and the line does not interfere with the normal operation of the device in use.
Preferably, the hollow shaft I11 and the hollow shaft II 10 are connected by bolts.
In some possible embodiments, the rotation along the X-axis direction can be realized for effectively realizing the pitch shafting; the two pitching shaft systems are symmetrically arranged along the axis of the hollow main shaft assembly; the drive mechanism comprises a base shell 27 connected with the shell component, a load mounting flange 25 rotatably mounted on the base shell 27, and an X-axis drive mechanism 20 mounted on the base shell 27 and used for controlling the load mounting flange 25 to rotate along the X-axis direction.
Preferably, as shown in fig. 1 and 4, a positioning spigot is provided on one side of the base housing 27 close to the housing assembly, a connector connected to the positioning spigot is provided on the outer side of the middle housing 3, and the housing assembly is connected to the base housing 27 by connecting the positioning spigot to the connector.
In some possible embodiments, as shown in fig. 1, 2, 3 and 6, in order to effectively enable the load mounting flange 25 and the load two mounted on the load mounting flange 25 to rotate along the X-axis direction; the base shell 27 is provided with a hollow shaft along the X-axis direction; the X-axis driving mechanism 20 is rotatably arranged on a worm wheel 201 on the outer side of the hollow shaft, a worm 202 meshed with the worm wheel 201 and a driving device in transmission connection with the worm 202; the load mounting flange 25 is mounted to the side of the turbine remote from the hollow main shaft assembly.
Preferably, the driving device described herein is a servo motor 21, and by controlling the on/off of the servo motor 21, the worm 202 is rotated, so as to drive the worm wheel 201 to rotate.
The two servo motors 21 respectively drive the two pitching axis systems to rotate along the X-axis direction, so that the two pitching axis systems synchronously or independently move.
As shown in fig. 1 and 2, the load mounting flange 25 is disposed on a side of the base housing 27 away from the housing assembly and is driven by the X-axis driving mechanism 20 to rotate around the hollow shaft, and since the axis of the hollow shaft is disposed along the X-axis direction, the load mounting flange 25 is further driven to rotate relative to the base housing 27 along the X-axis direction;
when the load mounting flange 25 needs to rotate along the X-axis direction, the driving device controls the worm 202 to rotate, so that the worm wheel 201 in transmission connection with the worm 202 rotates, and the load mounting flange 25 connected with one side, far away from the hollow spindle assembly, of the worm wheel 201 rotates along the axis of the hollow shaft due to the fact that the axis of the worm wheel 201 is coaxial with the axis of the hollow shaft.
In some possible embodiments, as shown in fig. 1, in order to make the transmission of the worm wheel 201 more stable during the rotation, a roller bearing two 23 is sleeved outside the hollow shaft, an inner ring of the roller bearing two 23 is connected with the hollow shaft, and an outer ring of the roller bearing two 23 is connected with the worm wheel 201.
The inner ring of the second roller bearing 23 is connected with the hollow shaft, so that the second roller bearing is relatively and fixedly connected with the base shell 27, the outer ring of the second roller bearing is connected with one side of the worm wheel 201 close to the hollow spindle assembly, and the worm wheel 201 rotates around the inner ring of the second roller bearing 23 under the transmission of the worm 202.
In some possible embodiments, as shown in fig. 1, in order to effectively achieve the measurement of the rotation angle in the Y-axis direction; the azimuth shaft system also comprises an upper end cover 1 which is sleeved on the outer side of the hollow main shaft assembly and connected with one side of the upper shell 2 far away from the lower shell 6, and a lower end cover 7 which is sleeved on the outer side of the hollow main shaft assembly and connected with one side of the lower shell 6 far away from the upper shell 2; a second mounting cavity is formed between the upper end cover 1 and the upper shell 2, a third mounting cavity is formed between the lower end cover 7 and the lower shell 6, and an electromagnetic band-type brake assembly 15 is mounted in the second mounting cavity; and an azimuth angle sensor 8 is arranged in the mounting chamber III.
Preferably, as shown in fig. 1, the code wheel of the azimuth angle sensor 8 is mounted on the lower casing 6, and the reading head of the azimuth angle sensor 8 is connected with the hollow shaft two 10 through a transition piece. Under the condition that the lower shell 6 rotates around the axis of the hollow spindle assembly, the azimuth angle sensor 8 measures the angle and transmits the measured data to the control system through the reading head;
the electromagnetic band-type brake assembly 15 and the upper end cover 1 can hold the hollow shaft I11 to realize azimuth locking when the turntable is in a transportation state and is powered off;
in some possible embodiments, as shown in fig. 1 and 5, the second hollow shaft 10 extends partially into the housing assembly; a movable end aviation plug 18 is arranged on the upper shell 2, and a fixed end aviation plug 19 is arranged on the hollow shaft II 10;
in some possible embodiments, to effectively implement the measurement of the pitch angle; the pitch shafting further comprises a pitch angle sensor 22 mounted on the worm gear 201.
The coded disc of the pitch angle sensor 22 is arranged on the worm wheel 201, preferably on one side of the worm wheel 201 close to the hollow spindle assembly, and the reading head of the pitch angle sensor is arranged on the base shell 27, so that the whole structure is more compact;
preferably, a wire passing protective sleeve 24 is arranged on the inner side of the hollow shaft; the wire passing protective sleeve 24 is made of polytetrafluoroethylene, has lubricating and antifriction effects, and is not easy to damage when a cable loaded with the second cable passes through the wire passing protective sleeve.
In some possible embodiments, the top of the hollow spindle assembly is fitted with an upper end flange 16; the load one is mounted on the hollow spindle assembly by a flange.
In some possible embodiments, a first annular sealing strip is arranged on the upper end cover 1 close to the upper end flange 16, and the upper end flange 16 is provided with a first sealing groove which is matched with the first annular sealing strip; a second sealing groove is formed in one side, close to the lower shell 6, of the lower end cover 7, and a second annular sealing strip matched with the second sealing groove is arranged on the lower shell 6; the sealing connection between the annular sealing strip and the sealing groove is effectively realized through the matching of the annular sealing strip and the sealing groove.
Preferably, there is a gap between the upper end flange 16 and the upper end cap 1, so as to reduce friction therebetween.
Preferably, the top surface of the upper end cover 1 is an inclined surface, the inclined surface is inclined from one side of the upper end cover 1 close to the hollow spindle assembly to one side far away from the hollow spindle assembly, and the inclination angle is 0.5-1 deg. The rain water can flow away in time when being effectively guaranteed to be drenched with rain.
Preferably, a second pod 28 is mounted to the base housing 27.
Preferably, the bottom of the hollow main shaft assembly is provided with a lower end flange 9, and the hollow main shaft assembly is arranged on other equipment through the lower end flange 9. The upper end flange 16, the hollow shaft I11, the hollow shaft II 10 and the lower end flange 9 are coaxially arranged.
The foregoing detailed description of the embodiments of the present application has been presented, and specific examples have been applied in the present application to explain the principles and implementations of the present application, and the above description of the embodiments is only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A hollow revolving stage of diaxon for coaxial integrated design of multisystem which characterized in that: the device comprises an azimuth axis system rotating along the Y axis and a pitching axis system which is arranged on the side surface of the azimuth axis system and rotates along the X axis; the azimuth shaft system comprises a hollow main shaft assembly, a shell assembly sleeved outside the hollow main shaft assembly, and Y-axis driving mechanisms located between the shell assembly and the hollow main shaft assembly and connected with the shell assembly and the hollow main shaft assembly respectively.
2. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 1, characterized in that: the Y-axis driving mechanism comprises a torque motor which is sleeved on the outer side of the hollow main shaft assembly and is connected with the hollow main shaft assembly; the outer side of the torque motor is connected with the shell component.
3. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 2, characterized in that: the shell assembly comprises an upper shell, a middle shell and a lower shell which are sequentially sleeved on the outer side of the hollow main shaft assembly from top to bottom; the upper shell, the middle shell and the lower shell are sequentially connected with the outer side of the hollow spindle assembly to form a first mounting cavity for mounting the torque motor.
4. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 3, characterized in that: the Y-axis driving mechanism further comprises a roller bearing I arranged between the lower shell and the hollow shaft assembly; the inner ring of the roller bearing I is connected with the hollow main shaft assembly, and the outer ring of the roller bearing I is connected with the middle outer shell.
5. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 4, characterized in that: the hollow spindle assembly comprises a hollow shaft I and a hollow shaft II which are coaxially arranged and mutually connected; the inner ring of the torque electric motor is connected with the outer side of the hollow shaft I; and the inner ring of the roller bearing I is connected with the outer side of the hollow shaft II.
6. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 4, characterized in that: the two pitching shaft systems are symmetrically arranged along the axis of the hollow main shaft assembly; the X-axis driving mechanism is mounted on the base shell and used for controlling the load mounting flange to rotate along the X-axis direction.
7. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 6, characterized in that: the base shell is provided with a hollow shaft along the X-axis direction; the X-axis driving mechanism is rotatably arranged on a worm wheel on the outer side of the hollow shaft, a worm meshed with the worm wheel and a driving device in transmission connection with the worm; the load mounting flange is mounted on a side of the turbine remote from the hollow main shaft assembly.
8. The two-axis hollow turntable for the multi-system coaxial integrated design according to claim 7, characterized in that: and a second roller bearing is sleeved on the outer side of the hollow shaft, the inner ring of the second roller bearing is connected with the hollow shaft, and the outer ring of the second roller bearing is connected with the worm wheel.
9. A two-axis hollow turret for multi-system coaxial integration design according to any of claims 3-7, characterized by: the azimuth shaft system also comprises an upper end cover which is sleeved outside the hollow main shaft assembly and connected with one side of the upper shell far away from the lower shell, and a lower end cover which is sleeved outside the hollow main shaft assembly and connected with one side of the lower shell far away from the upper shell; a second mounting cavity is formed between the upper end cover and the upper shell, a third mounting cavity is formed between the lower end cover and the lower shell, and an electromagnetic band-type brake assembly is mounted in the second mounting cavity; and an azimuth angle sensor is arranged in the third mounting chamber.
10. A two-axis hollow turret for multi-system coaxial integration design according to any of claims 7-8, characterized by: the pitch shafting also comprises a pitch angle sensor arranged on the worm gear.
CN202110074061.2A 2021-01-20 2021-01-20 Two-shaft hollow rotary table for multi-system coaxial integrated design Pending CN112728340A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198614A (en) * 2021-12-08 2022-03-18 中林信达（北京）科技信息有限责任公司 Photoelectric turntable suitable for automatic calibration of parallelism of optical axes of infrared and visible light cameras

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198614A (en) * 2021-12-08 2022-03-18 中林信达（北京）科技信息有限责任公司 Photoelectric turntable suitable for automatic calibration of parallelism of optical axes of infrared and visible light cameras

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