CN117419941A - Triaxial gyration measuring platform based on aerostatic ball shafting - Google Patents

Triaxial gyration measuring platform based on aerostatic ball shafting Download PDF

Info

Publication number
CN117419941A
CN117419941A CN202311357921.9A CN202311357921A CN117419941A CN 117419941 A CN117419941 A CN 117419941A CN 202311357921 A CN202311357921 A CN 202311357921A CN 117419941 A CN117419941 A CN 117419941A
Authority
CN
China
Prior art keywords
axis
ball
aerostatic
support
driving motor
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.)
Pending
Application number
CN202311357921.9A
Other languages
Chinese (zh)
Inventor
胡鹏浩
杨龙
李瑞君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei University of Technology
Original Assignee
Hefei University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei University of Technology filed Critical Hefei University of Technology
Priority to CN202311357921.9A priority Critical patent/CN117419941A/en
Publication of CN117419941A publication Critical patent/CN117419941A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention discloses a triaxial rotary measurement platform based on an aerostatic ball shafting, which comprises the aerostatic ball shafting, a driving module, an angle measurement module and a base; the aerostatic ball shafting is characterized in that a ball head is arranged in a cavity in a ball socket, air flow is introduced through a ball shell orifice to enable the ball head to axially float, a platform is fixedly arranged at the top of the ball head to form a floating platform, the bottom of the ball head is fixedly connected with a ball hinge rod, the ball hinge rod is sleeved in the aerostatic shaft sleeve, and the ball hinge rod is driven by a motor to rotate around a Z axis; the ball socket is fixedly arranged on the base, an X-axis moving support and a Y-axis moving support are respectively arranged on the base, the motor is used for driving the lower end of the aerostatic shaft sleeve to rotate around the X-axis and around the Y-axis through the X-axis moving support and the Y-axis moving support, three-axis rotation is realized, and an angle measuring grating is arranged for measuring the rotation angle in real time. The invention has high measurement precision, and can be widely used for simulating the motion state of an object in a gravity-free environment and the spatial attitude of related devices, and for calibrating the precision and the working performance of an angle sensor on a load.

Description

Triaxial gyration measuring platform based on aerostatic ball shafting
Technical Field
The invention relates to the technical field of triaxial rotary measurement platforms, in particular to a triaxial measurement platform based on an aerostatic ball shafting.
Background
The triaxial rotary measurement platform is equipment for realizing three-dimensional angular motion simulation and angle calibration in space, is widely applied to the fields of aviation and aerospace, and is used for simulating various attitude angular motions of an aircraft and reproducing various dynamic characteristics during the motions. The three-axis rotary measurement platform needs to provide information of directions, postures, positions and the like in a three-dimensional space, which requires a high-precision space positioning and measurement technology to ensure the accuracy and reliability of data.
The triaxial rotary measuring platform in the prior art has the problems of large friction moment and insufficient precision.
The manual inertial navigation testing turntable disclosed in the patent document of CN212254123U comprises a U-shaped base, wherein the upper end of the inner side of the U-shaped base is provided with a table top, two ends of the table top are respectively connected with a left main shaft and a right main shaft, and the left main shaft is sleeved with a seat bearing assembly and an angle measuring assembly which are arranged in the left end of the U-shaped base; the right main shaft is sleeved with a right bearing assembly and a worm wheel which are arranged in the right end of the U-shaped base, and the lower end of the worm wheel is connected with a worm in the adjusting assembly in a meshed manner. However, the worm gear is arranged in the test turntable, so that large friction loss exists, and the precision of the turntable is greatly influenced.
As disclosed in the patent document CN112857844a, a triaxial simulation test turntable comprises a rotating group, a test platform group, a 70 ° transformation group and a test stand, wherein the rotating group comprises a turntable, a fixed disk, a universal ball bearing and a rotating shaft, four groups of knife ball bearings are installed at the bottom end of the turntable and are uniformly arranged on the surface of the fixed disk, the center of the turntable is connected with the fixed disk through the rotating shaft, and the turntable rotates 360 ° around the Z axis on the fixed disk. The test turntable adopts a motor to drive the turntable, but only adopts the scale plate pointer to position at a required angle, so that the attitude position of the turntable cannot be known in real time, and the measurement accuracy is difficult to guarantee.
Disclosure of Invention
The invention provides a triaxial rotary measurement platform based on an aerostatic ball shafting, which is used for simulating the motion state of an object in a gravity-free environment and simulating the spatial attitude of a related device to realize high-precision real-time measurement.
The invention adopts the following technical scheme for realizing the purpose:
the triaxial rotary measurement platform based on the aerostatic ball shafting is characterized in that: the device comprises an aerostatic ball shafting, a driving module, an angle measuring module and a base; the air static pressure ball shafting is characterized in that an air floating ball head is arranged in a cavity in a ball socket, air flow is introduced through an orifice on a ball shell to enable the air floating ball head to axially float, a platform is fixedly arranged at the top of the air floating ball head to form a floating platform, a ball hinge rod is fixedly connected to the bottom of the air floating ball head, the ball hinge rod is sleeved in an air static pressure shaft sleeve, and the ball hinge rod is driven by a motor to rotate around a Z axis; the ball socket is fixedly arranged on the base, an X-axis moving support and a Y-axis moving support are respectively arranged on the base, and the lower end of the aerostatic shaft sleeve is driven by a motor and is driven to rotate around the X-axis and the Y-axis through the X-axis moving support and the Y-axis moving support respectively, so that three-axis rotation is realized; the angle measuring module is used for measuring triaxial revolving angles in real time.
The triaxial rotary measurement platform based on the aerostatic ball shafting is also characterized in that:
the ball socket consists of an upper hemispherical nest and a lower hemispherical nest; the upper hemispherical nest is fixed on the base, the lower hemispherical nest is fixedly connected with the upper hemispherical nest to form a cavity, throttling holes are distributed on spherical shells of the upper hemispherical nest and the lower hemispherical nest, gas enters the cavity along the throttling holes, and gas film pressure is formed so that a ball head positioned in the cavity can float in the vertical direction in the cavity;
an X-axis driving motor, a Y-axis driving motor and a Z-axis driving motor are arranged in the driving module; the motor seat of the X-axis driving motor is fixed on the base, and the X-axis driving motor is used for driving the X-axis moving bracket to swing around the X axis; the motor seat of the Y-axis driving motor is fixed on the base, and the Y-axis driving motor is used for driving the Y-axis moving bracket to swing around the Y axis; the air static pressure shaft sleeve is driven to swing at the lower end by the X-axis moving support and the Y-axis moving support respectively; the Z-axis driving motor is arranged at the bottom of the air static pressure shaft sleeve, the spherical hinge rod is arranged in the shaft sleeve of the air static pressure shaft sleeve, the rotating shaft of the Z-axis driving motor is fixedly connected with the spherical hinge rod, and the spherical hinge rod is used for transmitting the rotating torque around the Z axis;
the angle measuring module comprises an X-axis angle measuring grating, a Y-axis angle measuring grating and a Z-axis angle measuring grating, wherein the X-axis angle measuring grating is arranged on one side of the X-axis moving support and is used for measuring the swing angle of the X-axis moving support around the X axis; the Y-axis angle measurement grating is arranged on one side of the Y-axis movement support and is used for measuring the swinging angle of the Y-axis movement support around the Y axis; the Z-axis angle measurement grating is arranged at the top of the spherical hinge rod and used for measuring the rotation angle of the spherical hinge rod around the Z axis.
The triaxial rotary measurement platform based on the aerostatic ball shafting is also characterized in that:
the X-axis motion support is a U-shaped support with a long groove, two ends of the U-shaped support are fixedly connected with an inner rotating shaft of the X-axis air bearing, the X-axis air bearing seat is fixedly connected with the upper hemispherical pit, and a rotating shaft of the X-axis driving motor is fixedly connected with one end of the X-axis motion support through the inner rotating shaft of the X-axis air bearing;
the Y-axis motion support is a U-shaped support with a long groove, two ends of the U-shaped support are fixedly connected with an inner rotating shaft of the Y-axis air bearing, the Y-axis air bearing seat is fixedly connected with the upper hemispherical pit, and a rotating shaft of the Y-axis driving motor is fixedly connected with one end of the Y-axis motion support through the inner rotating shaft of the Y-axis air bearing;
the X-axis moving support and the U-shaped frame of the Y-axis moving support are overlapped up and down; the air static pressure shaft sleeve jointly penetrates through the long grooves in the X-axis moving support and the Y-axis moving support and can move in each long groove; the air-float ball head and the platform synchronously rotate around the X axis and the Y axis.
Compared with the prior art, the invention has the beneficial effects that:
1. the aerostatic ball shafting provided by the invention greatly reduces friction force and improves dynamic response characteristics and motion precision;
2. the invention adopts a cross vertical frame type driving technology and synchronously realizes triaxial rotation measurement;
3. the invention can be used for simulating the motion state of an object in a gravity-free environment and simulating the spatial attitude of a related device and a load;
4. the invention can also be used for comparing and calibrating the precision and the working performance of the angle sensor on the load.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a triaxial rotary measurement platform according to the present invention;
FIG. 2 is a top view of the X-axis and Y-axis motion support of the present invention;
FIG. 3 is a schematic view of an X-axis assembly according to the present invention
FIG. 4 is a schematic view of a Y-axis assembly according to the present invention;
FIG. 5 is a schematic view of a Z-axis assembly according to the present invention
Reference numerals in the drawings: the device comprises a platform 1, an upper half ball socket 2, a Y-axis angle measurement grating 3, an X-axis driving motor 4, a lower half ball socket 5, a Y-axis movement support 6, an air floatation ball head 7, an X-axis angle measurement grating 8, an X-axis movement support 9, an air static pressure shaft sleeve 10, a base 11, a base 12, a Z-axis driving motor 13, a Y-axis driving motor 101, a spherical hinge rod 102, a motor support 103, a Z-axis angle measurement grating 104, an air static pressure pad 105, an end face thrust air floatation bearing 106 and a flexible coupling.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, substitutions and improvements in parts, components and connections without departing from the spirit of the invention.
Referring to fig. 1, the triaxial rotary measurement platform based on the aerostatic ball axis system in the present embodiment includes the aerostatic ball axis system, a driving module, an angle measurement module and a base 11; the aerostatic ball shafting is characterized in that an aerostatic ball head 7 is arranged in a cavity in a ball socket, air flow is introduced through an orifice on a ball shell to form air film pressure so as to enable the aerostatic ball head 7 to axially float, a platform 1 is fixedly arranged at the top of the aerostatic ball head 7 to form a floating platform, a spherical hinge rod 101 is fixedly connected to the bottom of the aerostatic ball head 7, the spherical hinge rod 101 is sleeved in an aerostatic shaft sleeve 10, and the spherical hinge rod 101 is driven by a motor to rotate around a Z axis; the ball socket is fixedly arranged on the base, an X-axis moving support 9 and a Y-axis moving support 6 are respectively arranged on the base, and the lower end of an aerostatic shaft sleeve 10 is driven by a motor and respectively rotates around the X-axis and the Y-axis through the X-axis moving support 9 and the Y-axis moving support 6 to realize three-axis rotation; the angle measuring module is used for measuring the triaxial revolving angle in real time.
As shown in fig. 1, the ball socket in the embodiment is composed of an upper hemispherical nest 2 and a lower hemispherical nest 5; the upper hemispherical nest 2 is fixed on the base 11, the lower hemispherical nest 5 is fixedly connected with the upper hemispherical nest 2 to form a cavity, orifices are distributed on spherical shells of the upper hemispherical nest 2 and the lower hemispherical nest 5, gas enters the cavity along the orifices to form gas film pressure, and therefore the gas-floating ball head 7 positioned in the cavity can float in the vertical direction in the cavity.
An X-axis driving motor 4, a Y-axis driving motor 13 and a Z-axis driving motor 12 are arranged in the driving module; the motor seat of the X-axis driving motor 4 is fixed on the base 11, and the X-axis driving motor 4 is used for driving the X-axis moving bracket 9 to swing around the X axis; the motor seat of the Y-axis driving motor 13 is fixed on the base 11, and the Y-axis driving motor 13 is used for driving the Y-axis moving bracket 6 to swing around the Y axis; the air static pressure shaft sleeve 10 is driven to swing at the lower end by the X-axis moving bracket 9 and the Y-axis moving bracket 6 respectively; the Z-axis driving motor 12 is arranged at the bottom of the aerostatic shaft sleeve 10, the spherical hinge rod 101 is arranged in the shaft sleeve of the aerostatic shaft sleeve 10, the rotating shaft of the Z-axis driving motor 12 is fixedly connected with the spherical hinge rod 101, and the spherical hinge rod 101 is utilized to transmit the rotating torque around the Z axis;
the angle measuring module comprises an X-axis angle measuring grating 8, a Y-axis angle measuring grating 3 and a Z-axis angle measuring grating 103, wherein the X-axis angle measuring grating 8 is arranged on one side of an X-axis moving support 9 and is used for measuring the swing angle of the X-axis moving support 9 around the X axis; the Y-axis angle measurement grating 3 is arranged on one side of the Y-axis movement support 6 and is used for measuring the swinging angle of the Y-axis movement support 6 around the Y axis; the Z-axis angle measurement grating 103 is disposed on top of the spherical hinge rod 101 and is used for measuring the rotation angle of the spherical hinge rod 101 around the Z-axis.
In specific implementation, the corresponding technical measures also comprise:
as shown in fig. 2 and 3, the X-axis moving support 9 is a U-shaped frame with a long slot, two ends of the U-shaped frame are fixedly connected with an inner rotating shaft of the X-axis air bearing, the X-axis air bearing seat is fixedly connected with the upper hemispherical nest 2, and a rotating shaft of the X-axis driving motor 4 is fixedly connected with one end of the X-axis moving support 9 through an inner rotating shaft of the X-axis air bearing.
As shown in fig. 2 and 4, the Y-axis moving support 6 is a U-shaped frame with a long slot, two ends of the U-shaped frame are fixedly connected with an inner rotating shaft of the Y-axis air bearing, the Y-axis air bearing seat is fixedly connected with the upper hemispherical nest 2, and a rotating shaft of the Y-axis driving motor 13 is fixedly connected with one end of the Y-axis moving support 6 through the inner rotating shaft of the Y-axis air bearing.
As shown in fig. 2 and 5, the X-axis moving bracket 9 is stacked on top of the U-shaped bracket of the Y-axis moving bracket 6; the aerostatic shaft sleeve 10 jointly penetrates through the long grooves in the X-axis moving support 9 and the Y-axis moving support 6 and can move in each long groove, the width of the long groove is properly set, the aerostatic shaft sleeve 10 is ensured to be accurately guided and slide smoothly in the long groove, and the aerostatic head 7 and the platform 1 synchronously rotate around the X-axis and around the Y-axis; a motor bracket 102 is arranged below the aerostatic shaft sleeve 10 and used for fixing the Z-axis driving motor 12; the spherical hinge rod 101 is connected with the output shaft of the Z-axis driving motor 12 through a flexible coupling 106; an aerostatic liner 104 and an end face thrust air bearing 105 are arranged in the aerostatic shaft sleeve 10, so as to reduce the friction force of the spherical hinge rod 101 in movement.
In this embodiment, the X-axis and Y-axis directions of the platform 1 are fixed, the Z-axis direction is the axis direction of the spherical hinge rod, and the Z-axis direction is not a fixed coordinate, and the Z-axis direction changes when the air-float ball 7 and the platform 1 revolve around the X-axis or the Y-axis.
The whole aerostatic ball shafting is placed on a base 11 with a symmetrical structure, the system is designed in an axisymmetric mode, and can form force balance and heat balance, the whole deformation is small, and the stability and the precision are convenient.
It should be understood that, in the present specification, each embodiment is described in an incremental manner, and the same or similar parts between the embodiments are all referred to each other, and each embodiment is mainly described in a different point from other embodiments. The invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known method techniques is omitted here for the sake of brevity.
The foregoing is merely an example of the present application and is not limited to the present application. Various modifications and alterations of this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (3)

1. A triaxial gyration measuring platform based on aerostatic ball shafting, characterized by: the device comprises an aerostatic ball shafting, a driving module, an angle measuring module and a base; the aerostatic ball shafting is characterized in that an aerostatic ball head (7) is arranged in a cavity in a ball socket, air flow is introduced through an orifice on a ball shell to enable the aerostatic ball head (7) to axially float, a platform (1) is fixedly arranged at the top of the aerostatic ball head (7) to form a floating platform, a spherical hinge rod (101) is fixedly connected to the bottom of the aerostatic ball head (7), the spherical hinge rod (101) is sleeved in an aerostatic shaft sleeve (10), and the spherical hinge rod (101) is driven by a motor to rotate around a Z axis; the ball socket is fixedly arranged on the base, an X-axis moving support (9) and a Y-axis moving support (6) are respectively arranged on the base, and the lower end of an aerostatic shaft sleeve (10) is driven by a motor and respectively rotates around the X-axis and the Y-axis through the X-axis moving support (9) and the Y-axis moving support (6) to realize three-axis rotation; the angle measuring module is used for measuring triaxial revolving angles in real time.
2. The three-axis rotary measurement platform based on the aerostatic ball shafting according to claim 1, wherein the three-axis rotary measurement platform is characterized in that:
the ball socket consists of an upper hemispherical socket (2) and a lower hemispherical socket (5); the upper hemispherical nest (2) is fixed on the base (11), the lower hemispherical nest (5) is fixedly connected with the upper hemispherical nest (2) to form a cavity, orifices are distributed on spherical shells of the upper hemispherical nest (2) and the lower hemispherical nest (5), gas enters the cavity along the orifices to form gas film pressure, so that a ball head (7) positioned in the cavity can float in the vertical direction in the cavity;
an X-axis driving motor (4), a Y-axis driving motor (13) and a Z-axis driving motor (12) are arranged in the driving module; the motor seat of the X-axis driving motor (4) is fixed on the base (11), and the X-axis driving motor (4) is used for driving the X-axis moving bracket (9) to swing around the X axis; the motor seat of the Y-axis driving motor (13) is fixed on the base (11), and the Y-axis driving motor (13) is used for driving the Y-axis moving bracket (6) to swing around the Y axis; the air static pressure shaft sleeve (10) is driven to swing at the lower end by an X-axis moving bracket (9) and a Y-axis moving bracket (6) respectively; the Z-axis driving motor (12) is arranged at the bottom of the air static pressure shaft sleeve (10), the spherical hinge rod (101) is arranged in the shaft sleeve of the air static pressure shaft sleeve (10), the rotating shaft of the Z-axis driving motor (12) is fixedly connected with the spherical hinge rod (101), and the spherical hinge rod (101) is used for transmitting the rotating torque around the Z axis;
the angle measurement module comprises an X-axis angle measurement grating (8), a Y-axis angle measurement grating (3) and a Z-axis angle measurement grating (103), wherein the X-axis angle measurement grating (8) is arranged on one side of an X-axis motion support (9) and is used for measuring the swing angle of the X-axis motion support (9) around the X axis; the Y-axis angle measurement grating (3) is arranged on one side of the Y-axis movement support (6) and is used for measuring the swing angle of the Y-axis movement support (6) around the Y axis; the Z-axis angle measurement grating (103) is arranged at the top of the spherical hinge rod (101) and is used for measuring the rotation angle of the spherical hinge rod (101) around the Z axis.
3. The three-axis rotary measurement platform based on the aerostatic ball shafting according to claim 1, wherein the three-axis rotary measurement platform is characterized in that:
the X-axis moving support (9) is a U-shaped support with a long groove, two ends of the U-shaped support are fixedly connected with an inner rotating shaft of an X-axis air bearing, an X-axis air bearing seat is fixedly connected with the upper hemispherical nest (2), and a rotating shaft of the X-axis driving motor (4) is fixedly connected with one end of the X-axis moving support (9) through the inner rotating shaft of the X-axis air bearing;
the Y-axis motion support (6) is a U-shaped support with a long groove, two ends of the U-shaped support are fixedly connected with an inner rotating shaft of a Y-axis air bearing, the Y-axis air bearing seat is fixedly connected with the upper hemispherical nest (2), and a rotating shaft of the Y-axis driving motor (13) is fixedly connected with one end of the Y-axis motion support (6) through the inner rotating shaft of the Y-axis air bearing;
the X-axis moving support (9) and the U-shaped frame of the Y-axis moving support (6) are overlapped up and down; the aerostatic shaft sleeve (10) jointly penetrates through the long grooves in the X-axis moving support (9) and the Y-axis moving support (6) and can move in each long groove; the air-floating ball head (7) and the platform (1) synchronously rotate around the X axis and the Y axis.
CN202311357921.9A 2023-10-19 2023-10-19 Triaxial gyration measuring platform based on aerostatic ball shafting Pending CN117419941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311357921.9A CN117419941A (en) 2023-10-19 2023-10-19 Triaxial gyration measuring platform based on aerostatic ball shafting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311357921.9A CN117419941A (en) 2023-10-19 2023-10-19 Triaxial gyration measuring platform based on aerostatic ball shafting

Publications (1)

Publication Number Publication Date
CN117419941A true CN117419941A (en) 2024-01-19

Family

ID=89524066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311357921.9A Pending CN117419941A (en) 2023-10-19 2023-10-19 Triaxial gyration measuring platform based on aerostatic ball shafting

Country Status (1)

Country Link
CN (1) CN117419941A (en)

Similar Documents

Publication Publication Date Title
CN106081173B (en) Three-dimensional active suspension type spacecraft microgravity simulator
CN109270552B (en) Helicopter-mounted laser radar laser scanning attitude angle stabilizing method and device
CN202807110U (en) Gas floating six-degree-of-freedom simulation satellite device of semi-active type gravity compensation structure
CN109406049B (en) Centroid measuring system and measuring method
JPH10509788A (en) Improvement of movable mechanism structure
CN103344253B (en) A kind of multiaxial motion simulating turntable
CN111024310B (en) Multi-dimensional air flotation follow-up system for satellite high-precision quality measurement
CN103868648B (en) The centroid measurement method of three axle air supporting emulation experiment platforms
CN102393213A (en) Space-based detection and tracking imaging system testing device and testing method
CN106504631A (en) The full physical simulating device of ten two degrees of freedom of spacecraft based on suspension technology
CN114625027A (en) Multi-spacecraft attitude and orbit control ground full-physical simulation system based on multi-degree-of-freedom motion simulator
CN106556413B (en) A kind of two axis based on piezoelectric ceramic motor are without magnetic electrical turntable
CN107144301B (en) A kind of simulation testing environment of multiple degrees of freedom aggregate motion simulation
CN117419941A (en) Triaxial gyration measuring platform based on aerostatic ball shafting
US3387482A (en) Bearing suspension system
WO2007112074A2 (en) Counterbalance for a platform balance
CN113049002A (en) Conical motion testing method of tilt sensor
US3611785A (en) Spherical air bearing test carriage having unlimited angular motion
CN212620378U (en) Five electronic revolving stage devices
US4522074A (en) Apparatus for measuring several force components
CN113137978A (en) Two-dimensional pointing mechanism precision measurement device
CN107255449B (en) Experimental analysis method for movement locus of center of mass of gap-containing hinge under different gravity orientation conditions
CN108744500B (en) Handlebar transmission device convenient for measuring angle
CN112371356A (en) High-precision angle positioning structure for centrifugal machine
CN114046806A (en) High-precision attitude simulation slewing device

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