CN201149551Y - Mechanism for regulating satellite dynamic horizontal degree for low temperature vacuum surroundings - Google Patents
Mechanism for regulating satellite dynamic horizontal degree for low temperature vacuum surroundings Download PDFInfo
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- CN201149551Y CN201149551Y CNU2007203050050U CN200720305005U CN201149551Y CN 201149551 Y CN201149551 Y CN 201149551Y CN U2007203050050 U CNU2007203050050 U CN U2007203050050U CN 200720305005 U CN200720305005 U CN 200720305005U CN 201149551 Y CN201149551 Y CN 201149551Y
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Abstract
The utility model relates to a satellite dynamic level-adjusting mechanism particularly used in the low-temperature vacuum environment, including a square object stage and four leveling legs positioned under four corners of the square object stage. Wherein a step motor in a leveling leg drive mechanism is connected with a worm by a reverse stop overrunning clutch, the worm is meshed with a worm gear, the upper end of the worm gear shaft is a ball screw, a ball nut is matched with the ball screw, a bearing flange of the ball nut is connected with a spline guide post through a bolt, a spline guide sleeve and a drive case are fixed by bolts, and the rotation of the ball screw is turned into the vertical movement of the ball nut under the matching between the spline guide post and the spline guide sleeve. The satellite dynamic level-adjusting mechanism adopts the leveling technique of simultaneous movement under four-point support and two supporting points on a diagonal, and successfully settles down the intervention problem of leveling movement of the four-point support ; and adopts vacuum sealing and heat insulation techniques, and the satellite dynamic leveling mechanism can be applied in the vacuum and low-temperature environment.
Description
Technical field
The utility model relates to a kind of satellite vacuum thermal test special tooling, particularly a kind of satellite dynamic level degree adjusting mechanism that is exclusively used in the cryogenic vacuum environment.
Background technology
Being exclusively used in the satellite dynamic level degree adjusting mechanism in the cryogenic vacuum environment, is the satellite vacuum thermal test special tooling.It is installed in the large space environment simulator, works under the cryogenic vacuum environment in the satellite vacuum thermal test process, is used for dynamically adjusting and keeping the satellite levelness.All be furnished with the large tracts of land hot-pipe system on the north and south plate of large-scale telstar platform, be used for temperature control of satellites.Be the serviceability of simulation test hot-pipe system under the low gravity condition of space, when the satellite ground vacuum thermal test, require the level inclination on satellite north north to remain at ± 0.04 ° scope in, to reduce the influence of gravity opposite heat tube heat transfer property as far as possible.Owing in the satellite vacuum thermal test process, experience repeatedly significantly temperature cycles process, satellite test support can produce certain temperature deformation, and the levelness of satellite north and south plate is exerted an influence.Must have a satellite levelness adjusting gear for this reason, be used for monitoring in real time the levelness situation of change of satellite north and south plate in the whole process of satellite vacuum thermal test, and on request levelness is adjusted, thereby guarantee the realization of satellite levelness index, guarantee finishing smoothly of vacuum thermal test.Therefore, satellite dynamic level degree adjusting mechanism is one of indispensable key equipment of large platform satellite vacuum thermal test.
Usually the method that adopts in the prior art is the levelness of manual setting satellite before the satellite test, recheck the satellite levelness test back, this mode can only be inferred the levelness situation of satellite in process of the test according to before the test and test back satellite levelness requirement situation, and the truth of duration of test can't be understood, let alone control.This obviously can not satisfy the testing requirements of the Satellite Product with heat pipe.
The utility model content
The purpose of this utility model provides a kind of satellite dynamic level degree adjusting mechanism that is exclusively used in the cryogenic vacuum environment, is implemented in the satellite test satellite levelness is monitored in real time.
The purpose of this utility model can be finished by following technical scheme:
A kind of satellite dynamic level degree adjusting mechanism that is exclusively used in the cryogenic vacuum environment, comprise square objective table, four levelling shoes that lay respectively at the below, four angles of described square objective table, the ball bowl assembly on described levelling shoe top contacts with objective table, the gear train of described levelling shoe comprises stepper motor, reverse stop overrunning clutch, worm screw, worm gear, ball-screw, ball nut, spline guidepost and spline orienting sleeve, stepper motor is connected with horizontal worm screw by reverse stop overrunning clutch, worm screw is supported by worm bearing, with the worm gear engagement in the transmission case, worm-wheel shaft hangs down as for objective table, its upper end is a ball-screw, by bearings, ball nut matches with ball-screw, and the load flange of ball nut is that bolt is connected with the spline guidepost; The spline orienting sleeve is fixed with bolt and transmission case, and spline guidepost and spline orienting sleeve match.
Wherein, the gear train of described levelling shoe all is enclosed in one independently in the gear train seal chamber.
Wherein, described gear train seal chamber is by transmission case, the vacuum seal corrugated tube, the bulb cover plate, the axle head cover plate, the motor seal cover, electric motor end cap, sealed connector constitutes jointly, spline guidepost and spline orienting sleeve are positioned at corrugated tube, worm screw is positioned at transmission case, stepper motor is positioned at the motor seal cover, the top of corrugated tube is by the shutoff of bulb cover plate, between adopt the O-ring seal sealing, the bottom of corrugated tube links to each other with transmission case, between seal with O-ring seal, transmission case left side is by the shutoff of axle head cover plate, between adopt the O-ring seal sealing, the transmission case right side links to each other with the motor seal cover, between adopt the O-ring seal sealing, the right side of motor seal cover is by the electric motor end cap shutoff, between adopt the O-ring seal sealing, sealed connector is housed on the electric motor end cap.
Wherein, spline guidepost upper end links to each other with the bulb cover plate, and the bulb cover plate cooperates with the ball bowl assembly.
Wherein, described adjusting mechanism also comprises temperature sensor and the heating plate that is arranged on the described levelling gear outside surface.
Wherein, the junction of described levelling shoe and basic tie point and described objective table and satellite test specimen is provided with heat insulation backing plate.
Wherein, described adjustment structure all outer surfaces adopts radiation protective film to coat.
The beneficial effects of the utility model are:
A. by adopting vacuum sealing technology and corrugated tube motion compensated schemes, gear train all is enclosed in one independently in the cavity, in the cavity is normal atmospheric environment, simultaneously this cavity is carried out temperature control, thereby avoided power lubrication problem under low temperature cold welding problem and the vacuum environment, solved the problem that material temperature distortion under the tolerance clearance of precise motion requirement and the low temperature causes mechanism's " stuck ", the design of mechanism can be considered by normal environmental baseline, guarantee the realization of structure motion precision, stationarity and reliability.
B. for overcoming general lead screw transmission " adjusting microinching " phenomenon under heavy duty, the utility model has adopted the execution unit of ball-screw as the leveling action, it helps improving transmission efficiency and guarantees transmission accuracy, simultaneously, adopt the self-locking worm gear transmission in the design and had the scheme that the special overrunning clutch of counter motion locking function is used, the accurate location of gear train and reliable self-locking problem guarantee the maintenance of leveling bearing accuracy and position when having properly settled vertical use ball-screw.
C. the leveling principle of work of the utility model employing is 4 leveling modes, objective table central point O position in the leveling process is constant all the time, adjustment amount is little but efficient is higher, the displacement of test specimen barycenter is less relatively, help the stable of mechanism, simultaneously, the Synchronous motion control of motor is got up and is relatively easily realized, help avoiding movement interference, help the realization of " 4 coplanes ".
D. for preventing influence to the satellite experimental enviroment, the utility model has been taked a series of safeguard procedures, prevent that levelling gear from exerting an influence to the vacuum environment of satellite test, prevent heat radiation, the electromagnetic radiation influence to the satellite experimental enviroment, preventing that lubricant from overflowing pollutes the satellite experimental enviroment.
In sum, the utility model is by the series of effective technical scheme, successful solution the influence of low temperature, vacuum environment to mechanism kinematic; Solved the problem between kinematic accuracy and motion self-locking and accurate positioning requirements; Solved the leveling movement interference problem of " 4 supports "; Solved the problem of mechanism, reached the request for utilization of satellite environment test comprehensively the issuable electromagnetism of satellite experimental enviroment, heat and chemical contamination.
Description of drawings
Figure 1A is at 4 and supports the leveling mode that A, C two strong points rotate around the B-D axle and adjust.
Figure 1B is at 4 and supports the leveling mode that B, D two strong points rotate around the A-C axle and adjust.
Fig. 2 is the satellite dynamic level degree adjusting mechanism front view in the cryogenic vacuum environment.
Fig. 3 is the satellite dynamic level degree adjusting mechanism vertical view in the cryogenic vacuum environment.
Fig. 4 is the satellite dynamic level degree adjusting mechanism leg front view in the cryogenic vacuum environment.
Fig. 5 is the satellite dynamic level degree adjusting mechanism leg vertical view in the cryogenic vacuum environment.
Fig. 6 is the satellite dynamic level degree adjusting mechanism leg side view in the cryogenic vacuum environment.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
With reference to Figure 1A and Figure 1B, the leveling principle of work that the utility model adopts is at 4 and supports the leveling mode.4 leveling systems in the leveling process because the existence of superfluous constraint may produce movement interference, for addressing this problem, the leveling scheme of twice rotation that it is axle that the utility model has adopted respectively two diagonal line with square objective table 4.At first, 2 of A, C are synchronized with the movement one on the other, horizontal stand is rotated around the B-D axle, adjust the levelness of A-C axis, after the levelness of A-C axis reaches requirement, (for example be positioned at the position of A '-C '), be axle with new A-C axis again, 2 of B, D adjust up and down synchronously, and horizontal stand rotates around new A-C axis, adjusts the levelness of B-D direction, after the levelness of B-D axis reaches requirement, (for example be positioned at the position of B '-D '), finish a leveling job of taking turns.Because square two diagonal line quadratures (intersection point is the O point), the leveling result of twice rotation is irrelevant mutually, and leveling control is simple relatively.This leveling mode requires two motor speeds on the diagonal line identical, and rotational angle is identical, is direction of rotation, and such Synchronous motion control is got up and relatively easily realized, helps avoiding the realization of movement interference and " 4 coplanes ".
With reference to Fig. 2 and Fig. 3, the main structure that is exclusively used in the satellite levelness adjusting mechanism in the cryogenic vacuum environment is made up of square objective table 4 and four levelling shoes 3.Square objective table 4 is welded by I-beam, and four levelling shoes 3 lay respectively at the below of four angle A, B, C and D of objective table 4.The outside surface of adjusting mechanism is provided with temperature sensor 1 and heating plate 2, utilizes temperature controller that adjusting mechanism is carried out temperature control, makes in its works fine temperature range that remains on 20 ℃ ± 5 ℃.
All of leveling structure are exposed to the parts under the vacuum environment, all adopt the stainless steel material manufacturing of low gas efficiency, the whole sanding and polishings of structural outer surface, and surfaceness is better than 0.8, to reduce the metal surface gas adsorption rate; Leveling structure all outer surfaces adopts 10 unit radiation protective film to coat, and prevents the influence of heat radiation to the satellite experimental enviroment.
With reference to Fig. 4, Fig. 5 and Fig. 6, the ball bowl assembly 5 on levelling shoe 3 tops contacts with objective table 4, and the bottom of levelling shoe 3 is connected with the basis.The junction of levelling shoe 3 and basic tie point and objective table 4 and satellite test specimen, it is heat insulation all to adopt heat insulation backing plate 13 to carry out, such as the heat insulation backing plate of teflon.
The critical piece of levelling shoe 3 is the gear trains that are positioned at the leg middle part.
The gear train seal chamber is made of transmission case 23, vacuum seal corrugated tube 7, bulb cover plate 6, axle head cover plate 14, motor seal cover 19, electric motor end cap 20 and sealed connector 21.The top of corrugated tube 7 is by 6 shutoff of bulb cover plate, between adopt O-ring seal 24 sealings, the bottom of corrugated tube 7 links to each other with transmission case 23, between seal with O-ring seal 26.Transmission case 23 left sides are by 14 shutoff of axle head cover plate, between adopt O-ring seal 29 sealings, transmission case 23 right sides link to each other with motor seal cover 19, between adopt O-ring seal 28 to seal.The right side of motor seal cover 19 is by electric motor end cap 20 shutoff, between adopt O-ring seal 27 sealings.Sealed connector 21 is housed on the electric motor end cap 20.Wherein, all O-ring seals all adopt the fluororubber vaccum seal ring, corrugated tube 7 adopts the double-layer thin wall structure, sealed connector 21 adopts ceramic post sintering vacuum seal connector, the control line of sensor 1 and stepper motor 18, power lines etc. are all drawn by sealed plug, make gear train and extraneous vacuum environment isolate fully, in the cavity is normal atmospheric environment, transmission case 23 is a stainless steel material, adopt the argon arc welding technique welding fabrication, machine work forms after Ageing Treatment, and other structural members all adopt the stainless steel manufacturing, and all securing members also are stainless steel material.Structure is carried out the vacuum leak hunting of helium mass spectrum to all weld seams of seal chamber, sealing surface, corrugated tube, connector after installing, and requires whole seal chamber leak rate to be lower than 1 * 10
-7Pam
3/ s guarantees that its vacuum environment to the satellite test does not exert an influence.
Gear train comprises stepper motor 18, reverse stop overrunning clutch 17, worm screw 16, worm gear 12, ball-screw 11, ball nut 10, spline guidepost 9, spline orienting sleeve 8.Spline guidepost 9 and spline orienting sleeve 8 are positioned at corrugated tube 7, and worm screw 16 is positioned at transmission case 23, and be horizontally disposed with 4 one-tenth of objective tables, and stepper motor 18 is positioned at motor seal cover 29.The reverse stop overrunning clutch 17 that passes on left of motor 18 is connected with worm screw 16, and the cable of motor 18 is drawn by sealed connector 21.The input end of this reverse stop overrunning clutch 17 allows two-way power input, can directly drive the forward and reverse rotation of output terminal, and output terminal has reverse power input locking function, thereby the effectively anti-rollback of locking mechanism under loading guaranteed the positional precision of the strong point after the leveling.Worm screw 16 is supported by worm bearing 15, with worm gear 12 engagements.Worm gear pair centre distance 160mm, modulus are 4, and ratio of gear 62 has good self-locking property.Worm-wheel shaft is perpendicular to objective table 4, and its upper end is a ball-screw 11, is supported by bearing 22 and bearing 25, and ball nut 10 matches with ball-screw 11, and the load flange of ball nut 10 is connected for bolt with spline guidepost 9; Spline orienting sleeve 8 usefulness bolts and transmission case 23 are fixing, under the cooperation of spline guidepost 9 and spline orienting sleeve 8, the rotation of ball-screw 11 is converted into the vertical movement of ball nut, spline guidepost 9 upper ends link to each other with bulb cover plate 6, bulb cover plate 6 cooperates with ball bowl assembly 5, thereby the vertical movement of ball nut 10 is passed to objective table 4, become the leveling power of objective table 4.Cooperating for the rotation of objective table 4 in the leveling process of bulb cover plate 6 and ball bowl assembly 5 provides degree of freedom, objective table 4 directly is placed on the ball bowl assembly 5, motion between two parts on the surface level does not retrain, be used for compensating objective table 4 variation of horizontal level between four strong points when leveling is rotated, prevent movement interference.
Be exclusively used in satellite levelness adjusting mechanism in the cryogenic vacuum environment when actual motion, control system is to be installed in horizontal sensor on the satellite north plate as detecting element, computing machine calculates the satellite horizontal offset automatically according to the data of horizontal sensor, and calculates the regulated quantity of each leg automatically according to the orientation of four levelling shoes 3 of adjusting mechanism.The PLC system at first controls the rotational angle and the rotation direction of stepper motor of the levelling shoe 3 at A, C two places according to regulated quantity result of calculation, make one in two motors just change a counter-rotating, velocity of rotation is identical with rotational angle, thereby the levelling shoe 3 that drives A, C two places is synchronized with the movement one on the other, objective table 4 is rotated around the B-D axle, adjust the levelness of A-C direction, by horizontal sensor test leveling result.After the levelness of A-C direction reaches requirement, again the levelling shoe 3 at B, D two places is done same adjustment, finish a rotation translation and do.Computing machine is from read back satellite levelness index after the leveling of horizontal sensor, and makes continuing to adjust according to the result of feedback and still enter the judgement of shutting down the maintenance stage, finishes a Control Circulation.The reverse stop overrunning clutch 17 of levelling shoe 3 and the unitized construction of self-locking worm gear pair with the locking of the location footprint after the leveling, are kept the precision of leveling.
Drive disk assembly all sealed and be aided with the measure that heat tracing, heat insulation and entire infrastructure coat radiation protective film by adopting, for mechanical motion provides good atmosphere, the working environment of normal temperature, good working environment has guaranteed the realization of mechanism driving precision, and the satellite experimental enviroment is not impacted when mechanism obtains good lubrication guaranteeing; Good measure heat insulation and radiation protective film has prevented the thermal pollution to the satellite experimental enviroment; Oppositely the unitized construction of stop overrunning clutch 17 and self-locking worm gear pair has guaranteed the maintenance of leveling precision.Drive motor has been adopted full-shield and grounding measures, and the measure of all cables employing shielding lines, the influence of electromagnetic radiation effectively avoided to the satellite experimental enviroment; The utility model adopt respectively with the leveling scheme of two diagonal line of square objective table, twice rotation that be axle, Synchronous motion control is relatively easily realized, taked the scheme of no immediate constraint between objective table 4 and levelling shoe simultaneously, avoided owing to the movement interference problem that little deviation causes appears in synchronized movement.
To sum up, by adopting the technical solution of the utility model, be exclusively used in the satellite levelness adjusting mechanism in the cryogenic vacuum environment, be applicable to fully in vacuum, the low temperature environment and work, under the condition of guaranteeing the leveling accuracy requirement, can guarantee long-time reliable and stable operation, the use of this mechanism simultaneously can not have any impact to the satellite experimental enviroment, has reached the demand of satellite environment test comprehensively.
Be exclusively used in the satellite levelness adjusting mechanism in the cryogenic vacuum environment, load-carrying 6000kg, maximum disturbing moment 27kNm, the levelness adjustment and keep target be quadrature two directions be better than ± 0.04 °, the levelness adjustment capability is quadrature two directions ± 0.5 °, this mechanism is operated in the large space environment simulator, and its vacuum tightness is 1 * 10
-4Pa, temperature is 100K, it is the precise motion heat test tooling device that the development of present China is finished and successful first the cryogenic vacuum environment that is applied to satellite vacuum thermal test moves down, every performance index have have all met or exceeded external similar in the advanced level with equipment, directly applying to necessity test link---the vacuum thermal test process in the satellite development process, is the indispensable rig for testing of large-scale eastern three, eastern Siping City platform satellite vacuum thermal test.At present, this equipment has been successfully applied to the vacuum thermal test of satellites such as CE-1, Buddhist nun's star and SINO-II.Along with the development of China's aerospace industry, the Satellite Product demand significantly increases, and new satellite development, testing equipment also will further increase, and this technology will be grafted directly in the new heat test equipment, and application prospect is extensive.
Claims (7)
1, a kind of satellite dynamic level degree adjusting mechanism that is exclusively used in the cryogenic vacuum environment, comprise square objective table (4), four levelling shoes (3) that lay respectively at the below, four angles of described square objective table (4), the ball bowl assembly (5) on described levelling shoe (3) top contacts with objective table (4), it is characterized in that, the gear train of described levelling shoe (3) comprises stepper motor (18), reverse stop overrunning clutch (17), worm screw (16), worm gear (12), ball-screw (11), ball nut (10), spline guidepost (9) and spline orienting sleeve (8), stepper motor (18) is connected with horizontal worm screw (16) by reverse stop overrunning clutch (17), worm screw (16) is supported by worm bearing (15), with worm gear (12) engagement in the transmission case (23), worm-wheel shaft is perpendicular to objective table (4), its upper end is ball-screw (11), by bearing (22,25) support, ball nut (10) matches with ball-screw (11), the load flange of ball nut (10) is connected by bolt with spline guidepost (9), spline orienting sleeve (8) passes through bolt with transmission case (23), and spline guidepost (9) and spline orienting sleeve (8) match.
2, the adjusting mechanism described in claim 1 is characterized in that, the gear train of described levelling shoe (3) all is enclosed in one independently in the gear train seal chamber.
3, adjusting mechanism as claimed in claim 2, it is characterized in that, described gear train seal chamber is by transmission case (23), vacuum seal corrugated tube (7), bulb cover plate (6), axle head cover plate (14), motor seal cover (19), electric motor end cap (20) and sealed connector (21) are common to be constituted, spline guidepost (9) and spline orienting sleeve (8) are positioned at corrugated tube (7), worm screw (16) is positioned at transmission case (23), stepper motor (18) is positioned at motor seal cover (29), the top of corrugated tube (7) is by bulb cover plate (6) shutoff, between adopt O-ring seal (24) sealing, the bottom of corrugated tube (7) links to each other with transmission case (23), between with O-ring seal (26) sealing, transmission case (23) left side is by axle head cover plate (14) shutoff, between adopt O-ring seal (29) sealing, transmission case (23) right side links to each other with motor seal cover (19), between adopt O-ring seal (28) sealing, the right side of motor seal cover (19) is by electric motor end cap (20) shutoff, between adopt O-ring seal (27) sealing, sealed connector (21) is housed on the electric motor end cap (20).
4, adjusting mechanism as claimed in claim 3 is characterized in that, spline guidepost (9) upper end links to each other with bulb cover plate (6), and bulb cover plate (6) cooperates with ball bowl assembly (5).
As each described adjusting mechanism of claim 1-4, it is characterized in that 5, described adjusting mechanism also comprises temperature sensor (1) and the heating plate (2) that is arranged on the described levelling gear outside surface.
As each described adjusting mechanism of claim 1-4, it is characterized in that 6, the junction of described levelling shoe (3) and basic tie point and described objective table (4) and satellite test specimen is provided with heat insulation backing plate (13).
As each described adjusting mechanism of claim 1-4, it is characterized in that 7, described adjustment structure all outer surfaces adopts radiation protective film to coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203050050U CN201149551Y (en) | 2007-12-04 | 2007-12-04 | Mechanism for regulating satellite dynamic horizontal degree for low temperature vacuum surroundings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203050050U CN201149551Y (en) | 2007-12-04 | 2007-12-04 | Mechanism for regulating satellite dynamic horizontal degree for low temperature vacuum surroundings |
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| CN201149551Y true CN201149551Y (en) | 2008-11-12 |
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| CNU2007203050050U Expired - Fee Related CN201149551Y (en) | 2007-12-04 | 2007-12-04 | Mechanism for regulating satellite dynamic horizontal degree for low temperature vacuum surroundings |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501230A (en) * | 2011-10-28 | 2012-06-20 | 中国工程物理研究院应用电子学研究所 | Multi-degree-of-freedom vibration isolation bearing platform |
| CN102564482A (en) * | 2011-11-15 | 2012-07-11 | 上海卫星工程研究所 | Joint bearing device for vacuum vessel |
| CN102556371A (en) * | 2011-12-14 | 2012-07-11 | 北京卫星环境工程研究所 | Movable support capable of adjusting test piece angle in vacuum container |
| CN103605372A (en) * | 2013-08-19 | 2014-02-26 | 北京卫星环境工程研究所 | Inclination angle automatic adjustment platform for thermal test under vacuum low-temperature environment |
| CN103674591A (en) * | 2013-11-12 | 2014-03-26 | 北京卫星环境工程研究所 | Satellite dynamic angle adjusting mechanism in low-temperature vacuum environment |
| CN104049645A (en) * | 2014-06-05 | 2014-09-17 | 安徽恒诺机电科技有限公司 | Electromechanical type four-point supporting electronic leveling device with manual mechanism |
| CN105782646A (en) * | 2014-12-25 | 2016-07-20 | 贵州长通电气有限公司 | Power distribution cabinet electric leveling device based on worm wheels and worms |
| CN106516547A (en) * | 2015-09-10 | 2017-03-22 | 北京卫星环境工程研究所 | Air cushion transfer platform applicable to large-mass aircraft products |
| CN106843284A (en) * | 2016-12-29 | 2017-06-13 | 无锡小天鹅股份有限公司 | The automatic adjusting balance method of household electrical appliance and household electrical appliance |
| CN106840584A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of multivariant sub- big attack angle mechanism of transonic and supersonic wind tunnel |
| CN108288430A (en) * | 2017-12-29 | 2018-07-17 | 佛山杰致信息科技有限公司 | A kind of cam mechanism profile design and driven member kinetic characteristic Mapping Flat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102501230A (en) * | 2011-10-28 | 2012-06-20 | 中国工程物理研究院应用电子学研究所 | Multi-degree-of-freedom vibration isolation bearing platform |
| CN102564482A (en) * | 2011-11-15 | 2012-07-11 | 上海卫星工程研究所 | Joint bearing device for vacuum vessel |
| CN102564482B (en) * | 2011-11-15 | 2014-09-10 | 上海卫星工程研究所 | Joint bearing device for vacuum vessel |
| CN102556371B (en) * | 2011-12-14 | 2015-04-08 | 北京卫星环境工程研究所 | Movable support capable of adjusting test piece angle in vacuum container |
| CN102556371A (en) * | 2011-12-14 | 2012-07-11 | 北京卫星环境工程研究所 | Movable support capable of adjusting test piece angle in vacuum container |
| CN103605372A (en) * | 2013-08-19 | 2014-02-26 | 北京卫星环境工程研究所 | Inclination angle automatic adjustment platform for thermal test under vacuum low-temperature environment |
| CN103674591A (en) * | 2013-11-12 | 2014-03-26 | 北京卫星环境工程研究所 | Satellite dynamic angle adjusting mechanism in low-temperature vacuum environment |
| CN104049645A (en) * | 2014-06-05 | 2014-09-17 | 安徽恒诺机电科技有限公司 | Electromechanical type four-point supporting electronic leveling device with manual mechanism |
| CN105782646A (en) * | 2014-12-25 | 2016-07-20 | 贵州长通电气有限公司 | Power distribution cabinet electric leveling device based on worm wheels and worms |
| CN106516547A (en) * | 2015-09-10 | 2017-03-22 | 北京卫星环境工程研究所 | Air cushion transfer platform applicable to large-mass aircraft products |
| CN106843284A (en) * | 2016-12-29 | 2017-06-13 | 无锡小天鹅股份有限公司 | The automatic adjusting balance method of household electrical appliance and household electrical appliance |
| CN106840584A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of multivariant sub- big attack angle mechanism of transonic and supersonic wind tunnel |
| CN106840584B (en) * | 2016-12-29 | 2019-12-31 | 中国航天空气动力技术研究院 | Multi-degree-of-freedom sub-span supersonic wind tunnel large attack angle mechanism |
| CN108288430A (en) * | 2017-12-29 | 2018-07-17 | 佛山杰致信息科技有限公司 | A kind of cam mechanism profile design and driven member kinetic characteristic Mapping Flat |
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