CN111664750A - Multi-purpose vertical five-axis electric turntable - Google Patents
Multi-purpose vertical five-axis electric turntable Download PDFInfo
- Publication number
- CN111664750A CN111664750A CN202010497544.9A CN202010497544A CN111664750A CN 111664750 A CN111664750 A CN 111664750A CN 202010497544 A CN202010497544 A CN 202010497544A CN 111664750 A CN111664750 A CN 111664750A
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- assembly
- axis
- pitching
- azimuth
- rolling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/32—Devices for testing or checking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
Abstract
A multipurpose vertical five-axis electric turntable comprises a foundation, wherein a groove is formed in the upper end face of the foundation, a translation assembly is arranged in the groove, an inner three-axis turntable is mounted at the upper end of the translation assembly, the inner three-axis turntable comprises a yaw assembly fixed at the upper end of the translation assembly, a pitching assembly is mounted at the upper end of the yaw assembly, and a rolling assembly is mounted on the inner side of the pitching assembly; the upper end face of the foundation is provided with an outer two-axis rotary table above the groove, the outer two-axis rotary table comprises a position component directly fixed on the upper end face of the foundation, and the top of the inner side of the position component is provided with a height component. The inner three-axis rotary table mounted on the translation assembly moves relative to the outer two-axis rotary table, and when the three-axis intersection point of the inner three-axis rotary table and the two-axis intersection point of the outer two-axis rotary table coincide, the inner three-axis rotary table and the outer two-axis rotary table form a vertical five-axis rotary table testing system; when the inner three-axis rotary table is far away from the outer two-axis rotary table, the inner three-axis rotary table can be used as an independent test system for testing inertial navigation or other equipment.
Description
Technical Field
The invention relates to a multipurpose vertical five-axis electric turntable.
Background
The five-axis electric turntable is used as test testing equipment and plays an important role in the development process of an aircraft. The guidance system is a core component of an aircraft, and two test methods are mainly used for evaluating the performance of the guidance system: one is to obtain data in actual flight and find out the problem from the data to be improved continuously; the other method is to test and evaluate various performance indexes of the guidance system on the ground according to semi-physical simulation test equipment. Since the dynamics of aircraft guidance heads are simulated in real time under laboratory conditions, such devices are becoming more and more widely used and the requirements for high dynamics (or high frequency response) are becoming more and more stringent.
The multipurpose vertical five-axis electric turntable is a turntable with a 3+2 structural form, an inner three-axis is a serial mechanism, and a rolling shaft system, a pitching shaft system and a yawing shaft system are sequentially arranged from inside to outside; the outer two shafts are also series mechanisms, and are a high-low shaft system and an azimuth shaft system from inside to outside in sequence.
The inner triaxial series mechanism is characterized in that the rotational inertia of the rolling shaft system is composed of a motor rotor, a bearing inner ring, a rolling load and a rolling load support, the commonly added rotational inertia is the load of the rolling shaft system, the rotational inertia of the rolling assembly around the pitch axis direction is the load of the pitch shaft system, and the rotational inertia of the rolling assembly and the pitch assembly around the yaw direction is the load of the yaw shaft system; the outer two-shaft series mechanism has the characteristics that the high-low motor rotor, the high-low shaft, the high-low load support, the high-low load and the like form the load of the high-low shaft system, and the whole high-low assembly is the load of the azimuth shaft system.
In order to expand the application range of the test system, the inner three-axis turntable needs to be provided with various devices to be tested, the requirement on the dynamic performance of the inner three-axis turntable is high when the seeker is tested, and the outer two-axis turntable needs to be provided with a target simulator and then combined for use; when the inertial navigation product (or other loads) is tested, the requirements on speed stability precision and angular position control precision of the inner three-axis rotary table are high, and the inner three-axis rotary table is independently used, so that the inner three-axis rotary table is moved to an independent open working area.
Disclosure of Invention
The invention aims to provide a multipurpose vertical five-axis electric turntable to solve the problems in the background technology.
The technical scheme adopted for achieving the purpose is that the multipurpose vertical five-axis electric turntable comprises a foundation, wherein a groove is formed in the upper end face of the foundation, a translation assembly is arranged in the groove, an inner three-axis turntable is mounted at the upper end of the translation assembly and comprises a yaw assembly fixed at the upper end of the translation assembly, a pitching assembly is mounted at the upper end of the yaw assembly, and a rolling assembly is mounted on the inner side of the pitching assembly; an outer two-axis rotary table is arranged on the upper end surface of the foundation above the groove and comprises an orientation component directly fixed on the upper end surface of the foundation, and a height component is arranged at the top of the inner side of the orientation component; the translation assembly comprises a base, a guide rail is arranged on the base, a working table top is arranged at the upper end of the guide rail, a rack, a speed reducer and a servo motor are arranged at the lower end of the working table top, and the servo motor is connected with the speed reducer to drive the rack to drive the working table top to slide along the guide rail; the yaw assembly comprises a yaw base fixed on the working table top, a yaw bearing and a yaw main shaft are installed in the yaw base, and the upper end of the yaw main shaft is fixedly connected with the lower end of the pitching frame of the pitching assembly through a yaw flange; the pitching assembly comprises a pitching frame, 2 groups of pitching bearings and pitching main shafts are arranged in the pitching frame, and two ends of the rolling assembly are fixedly connected with the pitching main shafts at two ends of the inner side of the pitching frame through rolling flanges; the rolling assembly comprises a rolling frame, two ends of the rolling frame are fixedly connected with two ends of the inner side of the pitching frame, and a rolling bearing and a rolling main shaft with a hollow structure are arranged in the rolling frame; the azimuth assembly comprises an azimuth left support, an azimuth right support and an azimuth beam, an azimuth spindle is mounted on the azimuth beam, and the azimuth spindle is fixedly connected with the high-low beams in the high-low assembly; the high-low assembly comprises a high-low beam fixedly connected with the lower end of the azimuth main shaft, both ends of the high-low beam are connected with high-low supports, high-low main shafts are mounted on the high-low supports, and the high-low main shafts are fixedly connected with the left end and the right end of the high-low load support through high-low flanges.
The moving component is positioned on the inner side of the orientation component of the frame structure, and the moving component fixed in the groove in an embedded mode and the orientation component are fixed in a vertical structure.
The lower end of the azimuth main shaft is fixedly connected with the high-low beam through an azimuth flange.
The rolling main shaft is of a hollow structure, tested equipment is installed inside the rolling main shaft, and the tested equipment comprises a seeker, inertial navigation equipment, radar equipment and the like according to different application occasions.
And a target simulator is arranged in the high-low load support, is matched with the inner three-axis turntable for use, and is mainly used for testing the characteristics of the seeker.
Advantageous effects
Compared with the prior art, the invention has the following advantages.
1. In the invention, when the three-axis intersection point of the inner three-axis and the two-axis intersection point of the outer two-axis coincide, the inner three-axis turntable and the outer two-axis turntable can form a vertical five-axis turntable test system;
2. in the invention, when the inner three-axis turntable is far away from the outer two-axis turntable, the inner three-axis turntable is used as an independent inner three-axis turntable test system;
3. compared with the traditional split vertical five-axis electric turntable, the test range of the turntable system is expanded by adding a set of translation components, so that the inner three-axis turntable can be used for multiple purposes, and the cost for purchasing test equipment by enterprises is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram 1 of the present invention;
FIG. 3 is a schematic structural diagram of an inner three-axis turntable according to the present invention;
FIG. 4 is a schematic view of a roll assembly according to the present invention;
FIG. 5 is a schematic structural view of a pitch assembly of the present invention;
FIG. 6 is a structural cross-sectional view of a yaw assembly of the present invention;
FIG. 7 is a schematic structural diagram of an outer two-axis turntable according to the present invention;
FIG. 8 is a schematic view of the construction of the azimuth assembly of the present invention;
FIG. 9 is a schematic diagram of the high and low components of the present invention;
FIG. 10 is a schematic view of a translation assembly according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
A multipurpose vertical five-axis electric turntable comprises a foundation 1, as shown in figures 1-10, a groove 8 is formed in the upper end face of the foundation 1, a translation assembly 2 is arranged in the groove 8, an inner three-axis turntable is mounted at the upper end of the translation assembly 2 and comprises a yaw assembly 7 fixed to the upper end of the translation assembly 2, a pitching assembly 6 is mounted at the upper end of the yaw assembly 7, and a rolling assembly 5 is mounted on the inner side of the pitching assembly 6; an outer two-axis rotary table is arranged on the upper end surface of the foundation 1 above the groove 8, the outer two-axis rotary table comprises an azimuth component 4 directly fixed on the upper end surface of the foundation 1, and a high-low component 3 is arranged at the top of the inner side of the azimuth component 4; the translation assembly 2 comprises a base 21, a guide rail 22 is arranged on the base 21, a working table 23 is arranged at the upper end of the guide rail 22, a rack 24, a speed reducer 25 and a servo motor 26 are arranged at the lower end of the working table 23, and the servo motor 26 is connected with the speed reducer 25 to drive the rack 24 to drive the working table 23 to slide along the guide rail 22; the yawing assembly 7 comprises a yawing base 71 fixed on the working table 23, a yawing bearing 72 and a yawing main shaft 73 are mounted in the yawing base 71, and the upper end of the yawing main shaft 73 is fixedly connected with the lower end of the pitching frame 61 of the pitching assembly 6 through a yawing flange 74; the pitching assembly 6 comprises a pitching frame 61, 2 groups of pitching bearings 62 and pitching main shafts 63 are arranged in the pitching frame 61, and two ends of the rolling assembly 5 are fixedly connected with the pitching main shafts 63 at two ends of the inner side of the pitching frame 61 through rolling flanges 51; the rolling assembly 5 comprises a rolling frame 52, two ends of which are fixedly connected with two ends of the inner side of the pitching frame 61, and a rolling bearing 53 and a rolling main shaft 54 with a hollow structure are arranged in the rolling frame 52; the azimuth assembly 3 comprises an azimuth left support 31, an azimuth right support 32 and an azimuth beam 33, an azimuth main shaft 34 is mounted on the azimuth beam 33, and the azimuth main shaft 34 is fixedly connected with a high-low beam 41 in the high-low assembly 4; the high-low assembly 4 comprises a high-low beam 41 fixedly connected with the lower end of the azimuth main shaft 34, two ends of the high-low beam 41 are connected with high-low brackets 42, high-low main shafts 43 are mounted on the high-low brackets 42, and the high-low main shafts 43 are fixedly connected with the left end and the right end of a high-low load bracket 45 through high-low flanges 44.
The moving component 2 is positioned on the inner side of the orientation component 3 with a frame structure, and the moving component 2 fixed in the groove 8 in an embedded mode and the orientation component 3 are fixed in a vertical structure.
The lower end of the azimuth main shaft 34 is fixedly connected with the high-low beam 41 through an azimuth flange 46.
The rolling main shaft 54 is of a hollow structure, the tested equipment is arranged in the rolling main shaft, and the tested equipment comprises a seeker, inertial navigation equipment, radar equipment and the like according to different application occasions.
The target simulator is installed in the high-low load support 45, is matched with the inner three-axis turntable for use, and is mainly used for testing the characteristics of the seeker.
The invention relates to a 3+2 combined series mechanism, wherein an inner three-axis turntable is respectively a rolling shaft system, a pitching shaft system and a yawing shaft system, and an outer two-axis turntable is a height shaft system and an azimuth shaft system; the worktable surface 23 on the translation component 2 is moved to ensure that the three-axis intersection point of the inner three axes and the two-axis intersection point of the outer two axes are superposed, the guide head is arranged on the rolling main shaft 54, and the target simulator is arranged on the high-low load bracket 45, so that the test of the guide head can be carried out; other optoelectronic or radar devices can be tested by moving the table top 23 on the translation assembly 2 so as to move the inner three-axis turret to an independent work area.
The invention has six degrees of freedom, and is divided into two parts in terms of use function, wherein the first part is a translation assembly 2 and an inner three-axis turntable, and the second part is an outer two-axis turntable; the two parts are connected in series, and the first part consists of a rolling assembly 5, a pitching assembly 6, a yawing assembly 7 and a translation assembly 2 from inside to outside in sequence; the second part is composed of a high-low assembly 4 and an orientation assembly 3 from inside to outside in sequence.
The inner three-axis turntable and the outer two-axis turntable are of a serial structure, a foundation 1 is used as a support, a translation component 2 is arranged in a groove 8 on the upper end face of the foundation 1, a yaw component 7 of the inner three-axis turntable is fixed on a working table surface 23 of the translation component 2, a pitching component 6 is fixed on the upper end face of a yaw main shaft 73 and supported by the yaw component 7, pitching main shafts 63 on the left side and the right side of the pitching component 6 are connected with rolling flanges 51 on two ends of a rolling component 5, and the rolling component 5 is fixed on the inner side of the pitching component 6; the azimuth component 3 is fixed on the upper end face of the foundation 1, and a high-low load bracket 45 of the high-low component 4 is fixedly connected with the azimuth component 3 through a high-low flange 44.
The invention is technically characterized in that a foundation 1 is used as a support, a sunken groove 8 structure is manufactured on the foundation 1, a translation component 2 is embedded into the sunken groove 8, the translation component 2 mainly comprises a base 21, a guide rail 22, a working table 23, a rack 24, a speed reducer 25, a servo motor 26 and the like, and the servo motor 26 drives the speed reducer 25 to drive the working table 23 to slide along the guide rail 22; the rolling assembly 5, the pitching assembly 6 and the orientation assembly 3 are all supported by a frame, and parts such as a main shaft, a bearing, a torque motor, an angle sensor, a photoelectric limiter, a mechanical limiting block and the like are all arranged in the frame; the rolling assembly 5 is supported by a rolling frame 52, an internal rolling main shaft 54 is of a hollow structure, a device to be tested is installed inside the rolling main shaft 54 through a switching tool, and the rolling main shaft 54 drives the device to rotate around a rolling axis; the pitching assembly 6 is supported by a pitching frame 61, 2 groups of pitching bearings 62 and pitching main shafts 63 are arranged in the pitching assembly 6, the rolling flanges 51 at the left end and the right end of the rolling frame 51 are fixedly connected with the pitching main shafts 63 at the left end and the right end, and the pitching main shafts 63 drive the rolling frame 51 to move so as to drive the measured load to move around a pitching axis; the yaw assembly 7 is supported by a yaw base 71, a yaw bearing 72 and a yaw main shaft 73 are arranged in the yaw assembly, the upper end of the yaw main shaft 73 is fixedly connected with the lower end of the pitching frame 61 through a yaw flange 74, and the yaw main shaft 73 drives the pitching frame 61 to move so as to drive the measured load to move around a yaw axis system; the high-low assembly 4 is supported by a high- low beam 41 and 2 high-low brackets 42, high-low flanges 44 on 2 high-low main shafts 43 are fixedly connected with the left end and the right end of a high-low load bracket 45, and the high-low main shafts 43 drive the high-low load bracket 45 to move so as to drive the target simulator to rotate around the high-low shafts; the azimuth assembly 3 is supported by an azimuth left support 31, an azimuth right support 32 and an azimuth beam 33, the high-low beam 41 is fixed on the lower end face of the azimuth main shaft 34, and the azimuth main shaft 34 drives the high-low beam 41 to move so as to drive the target simulator to rotate around an azimuth axis; the working table surface 23 on the translation component 2 is moved to drive the inner three-axis rotary table to move, and when the three-axis intersection point of the inner three-axis rotary table is superposed with the two-axis intersection point of the outer two-axis rotary table, the inner three-axis rotary table is used as a five-axis simulation rotary table; when the inner three-axis rotary table is far away from the working range of the outer two-axis rotary table, the inner three-axis rotary table is used as an independent three-axis test rotary table.
Claims (5)
1. A multipurpose vertical five-axis electric turntable comprises a foundation (1) and is characterized in that a groove (8) is formed in the upper end face of the foundation (1), a translation assembly (2) is arranged in the groove (8), an inner three-axis turntable is mounted at the upper end of the translation assembly (2), the inner three-axis turntable comprises a yaw assembly (7) fixed at the upper end of the translation assembly (2), a pitching assembly (6) is mounted at the upper end of the yaw assembly (7), and a rolling assembly (5) is mounted on the inner side of the pitching assembly (6); an outer two-axis rotary table is arranged on the upper end face of the foundation (1) and above the groove (8), the outer two-axis rotary table comprises a position component (4) directly fixed on the upper end face of the foundation (1), and a height component (3) is arranged at the top of the inner side of the position component (4); the translation assembly (2) comprises a base (21), a guide rail (22) is arranged on the base (21), a working table top (23) is arranged at the upper end of the guide rail (22), a rack (24), a speed reducer (25) and a servo motor (26) are arranged at the lower end of the working table top (23), and the servo motor (26) is connected with the speed reducer (25) and drives the rack (24) to drive the working table top (23) to slide along the guide rail (22); the yawing assembly (7) comprises a yawing base (71) fixed on the working table top (23), a yawing bearing (72) and a yawing main shaft (73) are installed in the yawing base (71), and the upper end of the yawing main shaft (73) is fixedly connected with the lower end of a pitching frame (61) of the pitching assembly (6) through a yawing flange (74); the pitching assembly (6) comprises a pitching frame (61), 2 groups of pitching bearings (62) and pitching main shafts (63) are arranged in the pitching frame (61), and two ends of the rolling assembly (5) are fixedly connected with the pitching main shafts (63) at two ends of the inner side of the pitching frame (61) through rolling flanges (51); the rolling assembly (5) comprises a rolling frame (52) with two ends fixedly connected with two ends of the inner side of the pitching frame (61), and a rolling bearing (53) and a rolling main shaft (54) of a hollow structure are installed in the rolling frame (52); the azimuth assembly (3) comprises an azimuth left support (31), an azimuth right support (32) and an azimuth beam (33), an azimuth main shaft (34) is mounted on the azimuth beam (33), and the azimuth main shaft (34) is fixedly connected with a high-low beam (41) in the high-low assembly (4); the height component (4) comprises a height beam (41) fixedly connected with the lower end of the azimuth main shaft (34), both ends of the height beam (41) are connected with height supports (42), height main shafts (43) are mounted on the height supports (42), and the height main shafts (43) are fixedly connected with the left end and the right end of a height load support (45) through height flanges (44).
2. A multi-purpose vertical five-axis electric turntable as claimed in claim 1, characterized in that the moving component (2) is located inside the orientation component (3) of the frame structure, and the moving component (2) embedded and fixed in the groove (8) is fixed with the orientation component (3) in a vertical structure.
3. The multipurpose vertical five-axis electric turntable as claimed in claim 1, wherein the lower end of the azimuth main shaft (34) is fixedly connected with the high and low beams (41) through an azimuth flange (46).
4. The multipurpose vertical five-axis electric turntable as claimed in claim 1, wherein the rolling spindle (54) is a hollow structure, and the device to be tested is mounted inside, and the device to be tested comprises a seeker, an inertial navigation device, a radar device and the like according to different application occasions.
5. A multi-purpose vertical five-axis electric turntable as claimed in claim 1, characterized in that the high and low load support (45) is internally provided with a target simulator, which is used with an internal three-axis turntable and mainly used for testing the characteristics of a seeker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497544.9A CN111664750A (en) | 2020-06-04 | 2020-06-04 | Multi-purpose vertical five-axis electric turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497544.9A CN111664750A (en) | 2020-06-04 | 2020-06-04 | Multi-purpose vertical five-axis electric turntable |
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| Publication Number | Publication Date |
|---|---|
| CN111664750A true CN111664750A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010497544.9A Withdrawn CN111664750A (en) | 2020-06-04 | 2020-06-04 | Multi-purpose vertical five-axis electric turntable |
Country Status (1)
| Country | Link |
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| CN (1) | CN111664750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112344962A (en) * | 2020-11-02 | 2021-02-09 | 南京理工大学 | Light and small high-rotating-speed electric three-axis turntable |
| CN113985151A (en) * | 2021-10-26 | 2022-01-28 | 九江精密测试技术研究所 | Multifunctional heavy-load three-axis antenna test turntable |
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| CN112344962B (en) * | 2020-11-02 | 2023-12-15 | 南京理工大学 | Light-weight miniaturized high-rotation-speed electric three-axis turntable |
| CN113985151A (en) * | 2021-10-26 | 2022-01-28 | 九江精密测试技术研究所 | Multifunctional heavy-load three-axis antenna test turntable |
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Application publication date: 20200915 |