CN112462812A - Three-axis temperature control turntable with overspeed protection function and operation method thereof - Google Patents
Three-axis temperature control turntable with overspeed protection function and operation method thereof Download PDFInfo
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- CN112462812A CN112462812A CN202011569005.8A CN202011569005A CN112462812A CN 112462812 A CN112462812 A CN 112462812A CN 202011569005 A CN202011569005 A CN 202011569005A CN 112462812 A CN112462812 A CN 112462812A
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
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Abstract
The invention belongs to the technical field of three-axis rotating tables, in particular to a three-axis temperature control rotating table with an overspeed protection function and an operation method thereof, wherein the three-axis temperature control rotating table comprises a driving rotating table arranged on a foundation, the top of the driving rotating table is rotatably provided with a first driving rotating shaft, the bottom end of the first driving rotating shaft is fixedly connected with the output end of the driving rotating table, the top of the first driving rotating shaft is fixedly connected with a rotating table outer frame, the inner side of the rotating table outer frame is rotatably provided with a rotating table middle frame, and the inner side of the rotating table middle frame is rotatably provided with a rotating table inner; the overspeed protection mechanism is arranged between the rotary table middle frame and the third driving rotating shaft, the sensing plate which is convenient for detecting speed and the brake disc for braking are arranged outside the third driving rotating shaft, and the rotating speed of the third driving rotating shaft is reduced through friction, so that a better speed reduction effect is achieved, and the rotating speed of the rotary table inner frame is prevented from being overspeed.
Description
Technical Field
The invention belongs to the technical field of three-axis rotating tables, and particularly relates to a three-axis temperature control rotating table with an overspeed protection function and an operation method thereof.
Background
The three-dimensional turntable is widely applied in industry and military, and is divided into a horizontal type and an equatorial type according to different structural forms of the double-shaft precise servo turntable, the horizontal type is divided into a U-shaped structure, a T-shaped structure and a spherical structure, but no matter which structure has the common characteristics of two orthogonal precise rotating shaft systems and enough system rigidity, the turntable is a complex modern device integrating the light collector and the motor, semi-physical simulation and test are carried out in the aviation and aerospace fields, play a key role in the development of aircrafts, can simulate various attitude angle motions of the aircrafts, reproduce various dynamic characteristics of the aircrafts during motion, the performance of the guidance system, the control system and the corresponding devices of the aircraft are repeatedly tested to obtain sufficient test data, and redesigning and improving the system according to the data to meet the performance index requirement of the overall design of the aircraft.
The existing three-axis turntable with temperature control usually has the fastest rotating speed of the innermost frame, but when the rotating speed of the inner frame is too fast, excessive abrasion occurs, the performance of the three-axis turntable is affected, and finally the three-axis turntable is damaged, so that an overspeed protection device for the rotating speed of the inner frame is needed.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a three-axis temperature control rotary table with an overspeed protection function and an operation method thereof, which aim to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme: a three-axis temperature control rotary table with an overspeed protection function comprises a driving rotary table arranged on a foundation, wherein a first driving rotary shaft is rotatably arranged at the top of the driving rotary table, the bottom end of the first driving rotary shaft is fixedly connected with the output end of the driving rotary table, a rotary table outer frame is fixedly connected with the top of the first driving rotary shaft, a rotary table middle frame is rotatably arranged at the inner side of the rotary table outer frame, a rotary table inner frame for mounting a load is rotatably arranged at the inner side of the rotary table middle frame, temperature controllers are symmetrically arranged at the two sides of the rotary table inner frame and detachably connected with the rotary table inner frame, two third driving motors which are symmetrically distributed are fixedly arranged on the outer side wall of the rotary table middle frame, the output end of each third driving motor penetrates through the rotary table middle frame and is fixedly connected with a third driving rotary shaft, and an overspeed protection mechanism is arranged on the inner side wall of the rotary table middle frame, the overspeed protection mechanism is fixedly connected with the turntable middle frame.
Preferably, the overspeed protection mechanism comprises a protective shell, an electromagnetic brake and a photoelectric sensor, the protective shell is fixed on the inner side wall of the turntable middle frame, the electromagnetic brake is fixedly installed on the inner side wall of the protective shell, and the photoelectric sensor is fixed on the side wall of the protective shell.
Preferably, a brake disc is arranged on the outer side wall of the third driving rotating shaft corresponding to the electromagnetic brake, the brake disc is fixedly connected with the third driving rotating shaft, and the brake disc rotates on the inner side of the electromagnetic brake.
Preferably, an induction plate is arranged on the outer side wall of the third driving rotating shaft and corresponds to the photoelectric sensor, and the induction plate is fixedly connected with the third driving rotating shaft.
Preferably, a load mounting support used for mounting a load is arranged on the inner side of the inner turntable frame, and the load mounting support is fixedly connected with the inner turntable frame.
Preferably, the temperature controller is a hemisphere, a heating chamber is arranged on the inner side wall of the temperature controller, an electric heating mechanism is arranged on the inner side of the heating chamber, the electric heating mechanism is fixedly connected with the temperature controller, a control panel used for controlling the electric heating mechanism is arranged on the outer side wall of the temperature controller, and the control panel is fixedly connected with the temperature controller.
Preferably, the inner side wall of the heating chamber is provided with a radiation film, and the radiation film is fixedly connected with the temperature controller.
Preferably, the top both ends of revolving stage frame all are equipped with second driving motor, second driving motor with revolving stage frame fixed connection, the output end fixed connection of revolving stage frame has second drive pivot, second drive pivot is fixed the lateral wall of revolving stage center, just second drive pivot with third drive pivot vertical distribution.
Preferably, the bottom of the first driving rotating shaft is provided with an installation base, the installation base is fixedly connected with the first driving rotating shaft, fixing bolts are arranged on the periphery of the installation base, and the installation base is fixedly connected with the foundation through the fixing bolts.
An operation method of a three-axis temperature control rotary table with an overspeed protection function comprises the following steps:
step S1, firstly, detaching one of the temperature controllers on the inner frame of the turntable, then installing the load to be detected on the inner frame of the turntable, and then installing the detached temperature controller on the inner frame of the turntable for fixing;
step S2, starting a machine, wherein the driving rotary table, the rotary table outer frame, the rotary table middle frame and the rotary table inner frame all operate, and testing the load on the rotary table inner frame;
step S3, adjusting the environmental temperature of the load by using the temperature controller, and monitoring under different temperature environments;
and step S4, after the detection is finished, disassembling the temperature controller and the load on the inner frame of the rotary table.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the overspeed protection mechanism is arranged between the turntable middle frame and the third driving rotating shaft, wherein the outer part of the third driving rotating shaft is provided with the induction plate which is convenient for detecting the speed and the brake disc for braking, and the rotating speed of the third driving rotating shaft is reduced through friction, so that a better speed reduction effect is achieved, and the rotating speed of the turntable inner frame is prevented from overspeed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a temperature controller according to the present invention;
FIG. 3 is a schematic view of the internal structure of the temperature controller according to the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1. driving the turntable; 11. a first drive shaft; 12. installing a base; 13. fixing the bolt; 2. a turntable outer frame; 21. a second drive motor; 22. a second drive shaft; 3. a turntable middle frame; 31. a third drive motor; 32. an overspeed protection mechanism; 321. a protective shell; 322. an electromagnetic brake; 323. a photoelectric sensor; 33. a third drive shaft; 331. a brake disc; 332. an induction plate; 4. an inner frame of the turntable; 41. a load mounting support; 5. a temperature controller; 501. a heating chamber; 51. a control panel; 52. an electric heating mechanism; 521. and irradiating the film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a three-axis temperature control turntable with an overspeed protection function comprises a driving turntable 1 arranged on a foundation, wherein the top of the driving turntable 1 is rotatably provided with a first driving rotating shaft 11, the bottom end of the first driving rotating shaft 11 is fixedly connected with the output end of the driving turntable 1, the top of the first driving rotating shaft 11 is fixedly connected with a turntable outer frame 2, the inner side of the turntable outer frame 2 is rotatably provided with a turntable middle frame 3, the inner side of the turntable middle frame 3 is rotatably provided with a turntable inner frame 4 for mounting a load, two sides of the turntable inner frame 4 are symmetrically provided with temperature controllers 5, the temperature controllers 5 are detachably connected with the turntable inner frame 4, the outer side wall of the turntable middle frame 3 is fixedly provided with two third driving motors 31 which are symmetrically distributed, the output end of the third driving motor 31 penetrates through the turntable middle frame 3 and is fixedly connected with a third driving rotating shaft 33, the inner side wall of the turntable middle frame 3 is provided with an overspeed protection, the overspeed protection mechanism 32 is fixedly connected with the turntable middle frame 3.
In this embodiment, an overspeed protection mechanism 32 is disposed on the inner sidewall of the turntable middle frame 3 corresponding to the third driving rotating shaft 33, the overspeed protection mechanism 32 is fixedly connected to the turntable middle frame 3, the overspeed protection mechanism 32 is disposed between the turntable middle frame 3 and the third driving rotating shaft 33, wherein an induction plate 332 for conveniently detecting speed and a brake disc 331 for braking are disposed outside the third driving rotating shaft 33, a photoelectric sensor 323 for detecting the rotating speed of the third driving rotating shaft 33 is disposed inside the protective shell 321, when the rotating speed of the third driving rotating shaft 33 exceeds a preset value, the photoelectric sensor 323 feeds back information to the electromagnetic brake 322, the electromagnetic brake 322 clamps the brake disc 331, and reduces the rotating speed of the third driving rotating shaft 33 through friction, thereby achieving a good deceleration effect to prevent the rotating speed of the turntable inner frame 4 from overspeed, and two temperature controllers 5 are disposed on the turntable inner frame 4 in a symmetrical distribution manner, temperature controller 5 is the hemisphere, can not influence the rotation of revolving stage inside casing 4, and simultaneously, temperature controller 5's inside has set up heating mechanism and accuse temperature mechanism, can change the temperature environment of load at revolving stage during operation to reach the experimental effect to the different temperatures of load.
Specifically, the overspeed protection mechanism 32 includes a protective housing 321, an electromagnetic brake 322 and a photoelectric sensor 323, the protective housing 321 is fixed on the inner sidewall of the turntable middle frame 3, the electromagnetic brake 322 is fixedly installed on the inner sidewall of the protective housing 321, the photoelectric sensor 323 is fixed on the sidewall of the protective housing 321, a brake disc 331 is disposed on the outer sidewall of the third driving rotating shaft 33 corresponding to the electromagnetic brake 322, the brake disc 331 is fixedly connected with the third driving rotating shaft 33, the brake disc 331 rotates on the inner side of the electromagnetic brake 322, an induction plate 332 is disposed on the outer sidewall of the third driving rotating shaft 33 corresponding to the photoelectric sensor 323, the induction plate 332 is fixedly connected with the third driving rotating shaft 33, an induction plate 332 facilitating speed detection and a brake disc 331 for braking are disposed outside the third driving rotating shaft 33, the photoelectric sensor 323 detecting the rotating speed of the third driving rotating shaft 33 is disposed on the inner side of the protective housing 321, when the rotating speed of the third driving rotating shaft 33 exceeds the preset value, the photoelectric sensor 323 can feed back information to the electromagnetic brake 322, the electromagnetic brake 322 can clamp the brake disc 331, and the rotating speed of the third driving rotating shaft 33 is reduced through friction, so that a good speed reduction effect is achieved.
Specifically, a load mounting support 41 for mounting a load is arranged on the inner side of the inner turntable frame 4, and the load mounting support 41 is fixedly connected with the inner turntable frame 4 and used for mounting the detected load.
Specifically, temperature controller 5 is the hemisphere, warming chamber 501 has been seted up on temperature controller 5's the inside wall, warming chamber 501's inboard is equipped with electric heating mechanism 52, electric heating mechanism 52 and temperature controller 5 fixed connection, be equipped with control panel 51 that is used for controlling electric heating mechanism 52 on temperature controller 5's the lateral wall, control panel 51 and temperature controller 5 fixed connection, be equipped with radiation film 521 on warming chamber 501's the inside wall, radiation film 521 and temperature controller 5 fixed connection, through set up temperature controller 5 in revolving stage inside casing 4's both sides, temperature controller 5 is the hemisphere, can not influence the rotation of revolving stage inside casing 4, and simultaneously, temperature controller 5's inside has set up warming mechanism and temperature control mechanism, can be at revolving stage during operation, change the temperature environment of load, in order to reach the experimental effect to the different temperatures of load.
Specifically, the top both ends of revolving stage frame 2 all are equipped with second driving motor 21, second driving motor 21 and revolving stage frame 2 fixed connection, and the output end fixed connection of revolving stage frame 2 has second drive pivot 22, and second drive pivot 22 is fixed at the lateral wall of revolving stage center 3, and second drive pivot 22 and third drive pivot 33 vertical distribution can realize three-axis rotating table's triaxial rotation effect to experiment the load.
Specifically, the bottom of first drive pivot 11 is equipped with installation base 12, and installation base 12 and first drive pivot 11 fixed connection all are equipped with fixing bolt 13 around installation base 12, through fixing bolt 13 fixed connection between installation base 12 and the ground, can make the installation of drive revolving stage 1 more stable.
An operation method of a three-axis temperature control rotary table with an overspeed protection function comprises the following steps:
step S1, firstly, detaching one temperature controller 5 on the inner frame 4 of the turntable, then installing the load to be detected on the inner frame 4 of the turntable, and then installing the detached temperature controller 5 on the inner frame 4 of the turntable for fixing;
step S2, starting a machine, driving the rotary table 1, the rotary table outer frame 2, the rotary table middle frame 3 and the rotary table inner frame 4 to operate, and testing the load on the rotary table inner frame 4;
step S3, adjusting the environmental temperature of the load by using the temperature controller 5, and monitoring under different temperature environments;
and step S4, after the detection is finished, disassembling the load on the temperature controller 5 and the inner frame 4 of the rotary table.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a triaxial control by temperature change revolving stage with overspeed protection function which characterized in that: including setting up with drive revolving stage (1) on the ground, the top of drive revolving stage (1) is rotated and is installed first drive pivot (11), the bottom of first drive pivot (11) with the output fixed connection of drive revolving stage (1), the top fixedly connected with revolving stage frame (2) of first drive pivot (11), revolving stage center (3) is installed in the inboard rotation of revolving stage frame (2), revolving stage inner frame (4) that are used for installing the load are installed in the inboard rotation of revolving stage center (3), temperature controller (5) is installed to the bilateral symmetry of revolving stage inner frame (4), temperature controller (5) with revolving stage inner frame (4) can be dismantled and be connected, set firmly three driving motor (31) of two symmetric distributions on the lateral wall of revolving stage center (3), the output of third driving motor (31) runs through revolving stage center (3) fixedly connected with third drive pivot (33), an overspeed protection mechanism (32) is arranged on the inner side wall of the rotary table middle frame (3) corresponding to the third driving rotating shaft (33), and the overspeed protection mechanism (32) is fixedly connected with the rotary table middle frame (3).
2. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, wherein: overspeed protection mechanism (32) are including protective housing (321), electromagnetic braking ware (322) and photoelectric sensing ware (323), protective housing (321) are fixed in on the inside wall of revolving stage center (3), electromagnetic braking ware (322) fixed mounting be in on the inside wall of protective housing (321), photoelectric sensing ware (323) are fixed in on the lateral wall of protective housing (321).
3. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 2, wherein: a brake disc (331) is arranged on the outer side wall of the third driving rotating shaft (33) and corresponds to the electromagnetic brake (322), the brake disc (331) is fixedly connected with the third driving rotating shaft (33), and the brake disc (331) rotates on the inner side of the electromagnetic brake (322).
4. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 2, wherein: an induction plate (332) is arranged on the outer side wall of the third driving rotating shaft (33) corresponding to the photoelectric sensor (323), and the induction plate (332) is fixedly connected with the third driving rotating shaft (33).
5. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, wherein: the inner side of the rotary table inner frame (4) is provided with a load mounting support (41) for mounting a load, and the load mounting support (41) is fixedly connected with the rotary table inner frame (4).
6. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, wherein: temperature controller (5) are the hemispheroid, heating chamber (501) have been seted up on the inside wall of temperature controller (5), the inboard of heating chamber (501) is equipped with electric heating mechanism (52), electric heating mechanism (52) with temperature controller (5) fixed connection, be equipped with on the lateral wall of temperature controller (5) and be used for control panel (51) of electric heating mechanism (52), control panel (51) with temperature controller (5) fixed connection.
7. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 6, wherein: the inner side wall of the heating chamber (501) is provided with a radiation film (521), and the radiation film (521) is fixedly connected with the temperature controller (5).
8. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, wherein: the top both ends of revolving stage frame (2) all are equipped with second driving motor (21), second driving motor (21) with revolving stage frame (2) fixed connection, the output fixedly connected with second drive pivot (22) of revolving stage frame (2), second drive pivot (22) are fixed the lateral wall of revolving stage center (3), just second drive pivot (22) with third drive pivot (33) vertical distribution.
9. The three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, wherein: the bottom of first drive pivot (11) is equipped with installation base (12), installation base (12) with first drive pivot (11) fixed connection, all be equipped with fixing bolt (13) around installation base (12), pass through between installation base (12) and the ground fixing bolt (13) fixed connection.
10. The operation method of the three-axis temperature-controlled rotary table with the overspeed protection function according to claim 1, comprising the steps of:
step S1, firstly, detaching one of the temperature controllers (5) on the inner frame (4) of the rotary table, then installing the load to be detected on the inner frame (4) of the rotary table, and then installing the detached temperature controller (5) on the inner frame (4) of the rotary table for fixing;
step S2, starting a machine, wherein the driving rotary table (1), the rotary table outer frame (2), the rotary table middle frame (3) and the rotary table inner frame (4) all operate, and testing the load on the rotary table inner frame (4);
step S3, adjusting the ambient temperature of the controlled load by using the temperature controller (5), and monitoring under different temperature environments;
and step S4, after the detection is finished, disassembling the temperature controller (5) and the load on the inner frame (4) of the rotary table.
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| CN202011569005.8A CN112462812B (en) | 2020-12-26 | 2020-12-26 | Three-axis temperature control turntable with overspeed protection function and operation method thereof |
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| CN202011569005.8A CN112462812B (en) | 2020-12-26 | 2020-12-26 | Three-axis temperature control turntable with overspeed protection function and operation method thereof |
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