CN205067859U - Super low -spin load -bearing platform - Google Patents
Super low -spin load -bearing platform Download PDFInfo
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- CN205067859U CN205067859U CN201520877249.0U CN201520877249U CN205067859U CN 205067859 U CN205067859 U CN 205067859U CN 201520877249 U CN201520877249 U CN 201520877249U CN 205067859 U CN205067859 U CN 205067859U
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- motor
- carrying platform
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- low speed
- speed according
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Abstract
The utility model provides a super low -spin load -bearing platform, including supporting mechanism, rotary mechanism, mutually independent actuating system and hydraulic system, the supporting mechanism includes the laboratory bench and fixes base on the laboratory bench, rotary mechanism is including setting up the azimuth axis at laboratory bench center, azimuth axis one end is fixed on the laboratory bench, the other end is connected with revolving platform center rotation, the lower surface of revolving platform is equipped with passive ring gear, the upper surface is equipped with load -bearing platform, the actuating system includes bi -motor disappear crack mechanism, middle torque motors system and direct drive formula motor system. The utility model discloses the ultralow speed that realizes the major diameter workstation is rotatory in succession, and bearing capacity is big, safe and reliable is rotated, positive subsequent rotation in the other direction can be realized, be equipped with the encoder, carry out the accurate measurement to the displacement and the position of revolving platform, control the action of motor, the magnetic remanence brake system is equipped with, adding in advance of artificial load can be realizes.
Description
Technical field
The utility model relates to a kind of carrying platform, and especially a kind of Ultra-Low Speed rotates carrying platform.
Background technology
In uranology research process, telescope is necessary a kind of means according to space-ward, and the direction according to space-ward is constant to require the rotation along with the earth in 24 hours in a day to ensure, this just requires that telescopical support platform turns around for 24 hours, realizes Ultra-Low Speed and rotates.Ultra-Low Speed like this rotates and cannot complete with current motor and speed reducer.
Summary of the invention
For overcoming the defect of above-mentioned prior art, the utility model provides a kind of Ultra-Low Speed to rotate carrying platform.
The technical solution adopted in the utility model is: a kind of Ultra-Low Speed rotates carrying platform, comprise supporting mechanism, rotating mechanism, separate drive system and hydraulic system, described supporting mechanism comprises experiment table and is fixed on the base on described experiment table; Described rotating mechanism comprises the azimuth axis being arranged on described experiment table center, described azimuth axis one end is fixed on described experiment table, the other end is connected with panoramic table center rotating, the lower surface of described panoramic table is provided with two symmetrical passive gear rings, upper surfaces of front and back and is provided with carrying platform, and described carrying platform is provided with T-slot; Described drive system comprises double-motor anti-backlash mechanism, middle torque motor system and direct drive electric system.
Further, the bearing that the bottom surface of described base is distributed by the circular radiation with groove forms.
Further, described double-motor anti-backlash mechanism comprises two the gap motors that disappear being fixed on described base side, the gap that disappears described in two motor is connected with accurate retarding machine respectively, and the output shaft of described accurate retarding machine connects driving gear, and described driving gear is meshed with passive gear ring.
Further, the described gap motor that disappears carries sinusoidal coder.
Further, described middle torque motor system comprises the torque motor stator be connected with base and azimuth axis and the torque motor rotor be connected with panoramic table, and described torque motor stator and torque motor rotor form torque motor.
Further, described direct drive electric system comprises the 4 meter level motor stators be connected with base and the 4 meter level rotors be connected with panoramic table, and described 4 meter level motor stators and 4 meter level rotors form 4 meter level motors.
Further, described azimuth axis is also provided with precision bearing and angular encoder.
Further, gap motor is in the orientation of 90 degree with disappearing described in two, is fixed on base side and is provided with hysteresis brake.
Further, described experiment table bottom is provided with hydraulic system, and hydraulic oil is connected with oil-in respectively by separator.
Good effect of the present utility model is:
1, achieve the Ultra-Low Speed continuous rotation of major diameter worktable, load-bearing capacity is larger.
2, safe and reliable, spin stabilization, can realize the continuous rotation of both forward and reverse directions.
3, be provided with scrambler, the displacement of panoramic table and position measured accurately, the action of motor is controlled.
4, be fixed on the hysteresis brake system with reductor on base side, the pre-add of fictitious load can be realized.
Accompanying drawing explanation
Fig. 1 is the vertical view of the utility model base;
Fig. 2 is the front view of the utility model along A-A direction in Fig. 1;
Fig. 3 is the structural representation of the utility model double-motor anti-backlash mechanism;
Fig. 4 is the partial enlargement structural representation in Z region in Fig. 2;
Fig. 5 is the partial enlargement structural representation in C region in Fig. 2;
Fig. 6 is the vertical view of the utility model carrying platform;
In figure: experiment table 1; Angular encoder 2; The gap that disappears motor 3; Accurate retarding machine 4; Driving gear 5; Passive gear ring 6; Panoramic table 7; 4 meter level rotors 8; 4 meter level motor stators 9; Base 10; Azimuth axis 11; Torque motor rotor 12; Torque motor stator 13; Precision bearing 14; Oil-in 15; Hysteresis brake 16; Carrying platform 17; T-slot 18; Bearing 19.
Below in conjunction with the drawings and specific embodiments, structure of the present utility model and principle are further described in detail.
Embodiment
As shown in figs 1 to 6: a kind of Ultra-Low Speed rotates carrying platform, comprise supporting mechanism, rotating mechanism, separate drive system and hydraulic system, described supporting mechanism comprises experiment table 1, and the base 10 be fixed on described experiment table 1, described base 10 top is provided with hydrostatic slideway, carrying to panoramic table 7 is provided, the bearing 19 that the bottom surface of described base 10 is distributed by the circular radiation with groove forms, described base 10 adopts the HT300 ironcasting of high strength, there is enough intensity and shock absorption, be fixed on ground by foot screw, and carry out leveling by accurate machine tool regulating parallels.Described rotating mechanism comprises the azimuth axis 11 being arranged on described experiment table 1 center, described azimuth axis 11 one end is fixed on described experiment table 1, the other end is connected with panoramic table 7 center rotating, the lower surface of described panoramic table 7 is provided with two symmetrical passive gear rings 6 of front and back, upper surface is provided with carrying platform 17, described carrying platform 17 is provided with T-slot 18, described panoramic table 7 adopts the HT300 ironcasting of high strength, there is enough intensity and shock absorption, described experiment table 1 bottom is provided with hydraulic system, it is the faying face with hydrostatic slideway below panoramic table 7, hydraulic oil is connected with oil-in 15 respectively by separator, by hydrostatic slideway for the rotation of panoramic table 7 on base 10 provides stable, the support of low-frictional force, the hydraulic oil of hydrostatic slideway is provided by hydraulic system, when hydraulic pressure reaches certain pressure, supporting role can be had to panoramic table 7, panoramic table 7 rotates around azimuth axis 11, azimuth axis 11 is provided with precision bearing 14, described precision bearing 14 angular contact ball bearing, for the rotation of panoramic table 7 provides accuracy guarantee, described azimuth axis 11 being also provided with angular encoder 2, by coordinating with the code-disc be arranged on panoramic table 7, realizing carrying out the most directly and accurately measuring to the displacement of panoramic table 7 and position, realize the detection that panoramic table 7 is rotated, and then realize the closed-loop control to panoramic table 7.
The rotation of the utility model panoramic table 7 individually can be driven by three cover drive systems, and this three covers drive system comprises respectively and can eliminate gear transmission clearance, guarantee drive gap, is fixed on the double-motor anti-backlash mechanism of described base 10 side, be fixed on the middle torque motor system at panoramic table 7 center, be fixed on the direct drive electric system on described base 10 radiation profiles bearing 19, panoramic table 7 bottom is symmetrically distributed in before and after described double-motor anti-backlash mechanism comprises, be fixed on two gap motors 3 that disappear of described base 10 side, the gap that disappears described in two motor 3 is connected with accurate retarding machine 4 respectively, the output shaft of described accurate retarding machine 4 connects driving gear 5, described driving gear 5 is meshed with passive gear ring 6, the rotation of panoramic table 7 is realized by driving the passive gear ring 6 connected as one with panoramic table 7 to rotate, by controlling the compound action of two gap motors 3 that disappear, realize driving gear 5 and passive gear ring 6, no matter be rotate forward or the gapless driving of reversion, and the gap that disappears motor 3 carries sinusoidal coder, realization can be monitored by the position of motor and operating condition in real time, and then realize the closed-loop control of motor.
As shown in Figure 4, described middle torque motor system comprises the torque motor stator 13 be connected with base 10 and azimuth axis 11 and the torque motor rotor 12 be connected with panoramic table 7, and described torque motor stator 13 forms torque motor with torque motor rotor 12; By the interaction of torque motor stator 13 and torque motor rotor 12, Direct driver panoramic table 7 rotates.
As shown in Figure 5, described direct drive electric system comprises the 4 meter level motor stators 9 be connected with base 10 and the 4 meter level rotors 8 be connected with panoramic table 7, and described 4 meter level motor stator 9 and 4 meter level rotors 8 form 4 meter level motors; By the interaction of 4 meter level motor stator 9 and 4 meter level rotors 8, Direct driver panoramic table 7 rotates.
As shown in Figure 1, with the gap motor 3 that disappears described in two in the orientation of 90 degree, be fixed on described base 10 side and be provided with hysteresis brake 16, hysteresis brake 16 is with matching used reductor, the output shaft of reductor is provided with driving gear, with two described passive gear rings 6 on the direction of 90 degree, be arranged on panoramic table 7 and be also provided with identical passive gear ring 6 (not marking in figure), the driving gear of hysteresis brake 16 engages with passive gear ring 6 (not marking in figure), driving gear is driven to rotate by reductor, driving gear is meshed with the passive gear ring 6 (not marking in figure) on panoramic table 7, and then produce the opposite force hindering gear ring to rotate, the pre-add of fictitious load can be realized, the damping force programmable regulating of hysteresis brake 16, and then realize the adjustment of fictitious load power size.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (9)
1. a Ultra-Low Speed rotates carrying platform, it is characterized in that: comprise supporting mechanism, rotating mechanism, separate drive system and hydraulic system, described supporting mechanism comprises experiment table (1) and is fixed on the base (10) on described experiment table (1); Described rotating mechanism comprises the azimuth axis (11) being arranged on described experiment table (1) center, described azimuth axis (11) one end is fixed on described experiment table (1), the other end is connected with panoramic table (7) center rotating, the lower surface of described panoramic table (7) is provided with two symmetrical passive gear rings (6) of front and back, upper surface is provided with carrying platform (17), and described carrying platform (17) is provided with T-slot (18); Described drive system comprises double-motor anti-backlash mechanism, middle torque motor system and direct drive electric system.
2. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, it is characterized in that: the bearing (19) that the bottom surface of described base (10) is distributed by the circular radiation with groove forms.
3. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, it is characterized in that: described double-motor anti-backlash mechanism comprises two the gap motors (3) that disappear being fixed on described base (10) side, the gap that disappears described in two motor (3) is connected with accurate retarding machine (4) respectively, the output shaft of described accurate retarding machine (4) connects driving gear (5), described driving gear (5) is meshed with passive gear ring (6).
4. a kind of Ultra-Low Speed according to claim 3 rotates carrying platform, it is characterized in that: the described gap motor (3) that disappears carries sinusoidal coder.
5. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, it is characterized in that: described middle torque motor system comprises the torque motor stator (13) be connected with base (10) and azimuth axis (11) and the torque motor rotor (12) be connected with panoramic table (7), described torque motor stator (13) and torque motor rotor (12) form torque motor.
6. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, it is characterized in that: described direct drive electric system comprises the 4 meter level motor stators (9) be connected with base (10) and the 4 meter level rotors (8) be connected with panoramic table (7), described 4 meter level motor stators (9) and 4 meter level rotors (8) form 4 meter level motors.
7. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, it is characterized in that: described azimuth axis (11) is also provided with precision bearing (14) and angular encoder (2).
8. a kind of Ultra-Low Speed according to claim 1 or 3 rotates carrying platform, it is characterized in that: with the gap motor (3) that disappears described in two in the orientation of 90 degree, and be fixed on base (10) side and be provided with hysteresis brake (16).
9. a kind of Ultra-Low Speed according to claim 1 rotates carrying platform, and it is characterized in that: described experiment table (1) bottom is provided with hydraulic system, hydraulic oil is connected with oil-in (15) respectively by separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877249.0U CN205067859U (en) | 2015-11-03 | 2015-11-03 | Super low -spin load -bearing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877249.0U CN205067859U (en) | 2015-11-03 | 2015-11-03 | Super low -spin load -bearing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067859U true CN205067859U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877249.0U Expired - Fee Related CN205067859U (en) | 2015-11-03 | 2015-11-03 | Super low -spin load -bearing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205067859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301756A (en) * | 2015-11-03 | 2016-02-03 | 芜湖戎征达伺服驱动技术有限公司 | Super low speed rotation bearing platform |
| CN108594423A (en) * | 2017-09-06 | 2018-09-28 | 中国科学院国家天文台南京天文光学技术研究所 | Extremely large telescope azimuth axle supports and the flexible mobile system of precision actuation |
-
2015
- 2015-11-03 CN CN201520877249.0U patent/CN205067859U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301756A (en) * | 2015-11-03 | 2016-02-03 | 芜湖戎征达伺服驱动技术有限公司 | Super low speed rotation bearing platform |
| CN108594423A (en) * | 2017-09-06 | 2018-09-28 | 中国科学院国家天文台南京天文光学技术研究所 | Extremely large telescope azimuth axle supports and the flexible mobile system of precision actuation |
| CN108594423B (en) * | 2017-09-06 | 2020-06-09 | 中国科学院国家天文台南京天文光学技术研究所 | Flexible airborne system for supporting and precisely driving azimuth axis of ultra-large telescope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |