CN202225188U - Five-degree-of-freedom adjustment platform for assembly of satellite capsule plate - Google Patents
Five-degree-of-freedom adjustment platform for assembly of satellite capsule plate Download PDFInfo
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- CN202225188U CN202225188U CN2011203462930U CN201120346293U CN202225188U CN 202225188 U CN202225188 U CN 202225188U CN 2011203462930 U CN2011203462930 U CN 2011203462930U CN 201120346293 U CN201120346293 U CN 201120346293U CN 202225188 U CN202225188 U CN 202225188U
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Abstract
The utility model discloses a five-degree-of-freedom adjustment platform for the assembly of a satellite capsule plate. The platform comprises an overturning mechanism, a middle sliding platform, a lower sliding platform, a guide rail, a slider and ball screw component, a slewing mechanism, an underframe, lifting mechanisms and casters, wherein the overturning mechanism consists of an overturning platform, an upper sliding platform, a hinge component, a push rod and a transmission; the same sides of the overturning platform and the upper sliding platform are connected through the hinge component; the other side of the upper sliding platform is provided with a push rod support seat; the two ends of the push rod are connected with the middle part of the overturning platform and the push rod support seat on the other side of the upper sliding platform respectively; the transmission is connected with the push rod to control the extension and retraction of the push rod; the upper and middle sliding platforms are connected through the guide rail and the slider and ball screw component; the middle and lower sliding platforms are connected through the guide rail and the slider and ball screw component; the slewing mechanism is connected with the lower sliding platform and the underframe; the lifting mechanisms are arranged around the underframe; and the casters are arranged on the underframe. The five-degree-of-freedom adjustment platform has a plurality of adjustment degrees of freedom and a compact structure, is labor-saving during operation and has high adjustment accuracy and adjustment efficiency for each degree of freedom.
Description
Technical field
The utility model relates to a kind of five degree of freedom that is used for the plate assembling of satellite cabin and regulates platform; Be applicable to the docking of satellite cabin plate and cabin body, upset and transhipment; Auxiliary assembling and the electrical measurement of accomplishing equipment on the service module plate; Plateform system is used in the adjustment of multivariant position and the location that also can be used as in the spacecraft large-scale precision structural member assembling process, belongs to the mechanical designing technique field.
Background technology
In satellite cabin body assembling and electrical testing process, need under the plate level state of cabin, various instruments are mounted thereon, instrument with carry out test such as electrical measurement after satellite cabin body is connected, again with the cabin plate and on it instrument together overturn, cabin plate and cabin body are aligned afterwards assemble afterwards.A kind of plateform system of this process need realize the cabin plate carrying, overturn, align and operation such as assembling.The adjusting free degree of general adjusting plateform system is few, and the cabin plate aligns regulates difficulty; Switching mechanism adopts the two-stage transmission, though drive laborsavingly, the intermediate transfer energy loss is big, and handwheel to shake the number of turns too much, operating efficiency is low; The radius of turn of switching mechanism is big, and the required space of dodging is big, is unfavorable for aligning operation; It is that arc-shaped rail and slide block or ordinary turntable bearing are installed between two-layer platform that revolute function is regulated general solution, but can not self-locking in the turning course, and the angle of revolution is wayward, and the upper platform heavy duty is prone to generation down and topples.
The utility model content
The technology of the utility model is dealt with problems and is: overcome the deficiency of prior art, provide a kind of five degree of freedom that is used for the plate assembling of satellite cabin to regulate platform, the adjusting free degree is many, simple in structure, and operating efficiency is high, good stability.
The technical solution of the utility model is: a kind of five degree of freedom that is used for the plate assembling of satellite cabin is regulated platform, comprises switching mechanism, middle sliding platform, lower slider platform, guide rail, slide block and ball-screw assembly, slew gear, underframe, elevating mechanism and castor; Switching mechanism is made up of overturn platform, last sliding platform, hinge component, push rod and speed changer; Overturn platform connects through hinge component the same side with last sliding platform mutually; Opposite side at sliding platform is equipped with the push rod supporting seat; The two ends of push rod connect the push rod supporting seat of overturn platform middle part and sliding platform opposite side respectively, and speed changer is connected with push rod and is used to control the flexible of push rod; Between last sliding platform and the middle sliding platform, all be connected with the ball-screw assembly with slide block between middle sliding platform and the lower slider platform through guide rail; Slew gear connects lower slider platform and underframe; Elevating mechanism be installed in underframe around, castor is installed on the underframe.
Slew gear comprises disk gear bearing and helical worm, and the inside and outside circle of disk gear bearing is installed in respectively on lower slider platform and the underframe, and helical worm is fixed on the bearing spider of underframe and with the disk gear bearing and meshes.
The utility model beneficial effect compared with prior art is:
(1) the utility model overturn platform and last sliding platform compact conformation, the employing self structure is little but the push rod of stroke length not only can be installed push rod but also can make it drive overturn platform by flip horizontal extremely vertically in the confined space; Push rod adopts heavily loaded single push rod form, and simple in structure, energy loss is little, through driving push rod it is elongated or shortened, and realizes the rotation adjusting of overturn platform along the X axle;
(2) the pivot setting of hinge component and last sliding platform are provided with speed changer near to reduce radius of turn between push rod and driving input, reduce to drive in the push rod telescopic process and import the number of turns;
(3) go up between sliding platform and the middle sliding platform, equal mounting guide rail, slide block carry out motion guide between middle sliding platform and the lower slider platform, ball-screw are installed simultaneously as drive unit, can realize that sliding platform planar moves to straight line along X, Y;
(4) slew gear adopts special accurate disk gear bearing, endless screw transmission agent, and transmission accuracy height and flexibility and reliability, the architectural characteristic of turntable bearing self make transmission system have the very high anti-performance of toppling, and can bear heavy duty;
(5) elevating mechanism is made up of four spiral lifts of underframe bottom, can under the irregularity surface condition, keep the stability of whole flat various actions.
Description of drawings
Fig. 1 is the composition structural representation of the utility model;
Fig. 2 is the composition structural representation of the utility model switching mechanism;
Fig. 3 is the composition structural representation of the utility model slew gear;
Fig. 4 is the three-dimensional structure diagram of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed description:
The five degree of freedom that is used for the plate assembling of satellite cabin is regulated platform like Fig. 1,2,3, shown in 4: be made up of switching mechanism, sliding platform 6, lower slider platform 7, guide rail, slide block and ball-screw assembly 8, slew gear 9, underframe 10, elevating mechanism 11 and castor 12; Switching mechanism is made up of overturn platform 1, last sliding platform 4, hinge component 2, push rod 3 and speed changer 5; Overturn platform 1 connects through hinge component 2 the same side with last sliding platform 4 mutually; Opposite side at sliding platform 4 is equipped with the push rod supporting seat; The two ends of push rod 3 connect the push rod supporting seat of overturn platform 1 middle part and sliding platform 4 opposite sides respectively, and speed changer 5 is connected with push rod 3 and is used to control the flexible of push rod 3; Between last sliding platform 4 and the middle sliding platform 6, all be connected with ball-screw assembly 8 with slide block between middle sliding platform 6 and the lower slider platform 7 through guide rail; Slew gear 9 connects lower slider platform 7 and underframe 10; Elevating mechanism 11 be installed in underframe 10 around, castor 12 is installed on the underframe 10.Slew gear 9 comprises disk gear bearing 13 and helical worm 14, and the inside and outside circle of disk gear bearing 13 is installed in respectively on lower slider platform 7 and the underframe 10, helical worm 14 be fixed on the bearing spider of underframe 10 and with 13 engagements of disk gear bearing.
Be provided with in order to the adjustable support of cabin plate to be installed on the overturn platform, can reserve the space between cabin plate and overturn platform, thereby the instrument of protection cabin backboard face is not damaged.For the pivot that makes hinge component near the overturn platform lateral edges that overturns, upper and lower rocker bar bearing physical dimension is through blackout and modifier treatment raising intensity.Hinge component and handspike bearing all make up after the platform welding is accomplished at the mounting plane on the platform and process, and have the very high accuracy of form and position and surface roughness.At upper and lower rocker bar bearing, when handspike bearing is installed, on mounting plane, join and beat dowel hole, to protect assembly precision.Push rod adopts heavily loaded single push rod form, and simple in structure, energy loss is little.Be connected speed changer with control between handwheel at push rod, to reduce the handwheel input number of turns.
The mounting plane of mounting guide rail, slide block and ball-screw assembly all makes up after the platform welding is accomplished and processes between last sliding platform and the middle sliding platform, between middle sliding platform and the lower slider platform; Have the very high accuracy of form and position and surface roughness, thereby guarantee transmission accuracy.Ball-screw between every two-layer platform is installed on the static relatively platform, and screw is installed on the platform of relative motion.
Slew gear comprises disk gear bearing and helical worm, and the inside and outside circle of turntable bearing is installed on respectively on underframe and the lower slider platform, and helical worm is fixed on the bearing spider of underframe, and meshes with turntable bearing.Through driving the rotation of worm screw driven gear bearing outer ring, its top each layer platform is rotated around the Z axle.The plane of the inside and outside circle of mounting teeth wheel bearing also has the very high accuracy of form and position and surface roughness on lower slider platform and the underframe.During assembling, first mounting teeth wheel bearing is regulated the drive gap of worm screw and outer ring gear, makes ensuring smooth transmission and has certain self-locking performance, the more fixing position of worm bearing on underframe.The spiral lift support end adopts special bulb flange, can under the irregularity surface condition, keep the stability of whole flat various actions.
The method for using of the utility model is:
The first step, regulating the platform original state is the overturn platform level, the cabin plate of required assembling is installed on the corresponding interface of overturn platform;
Second step, regulates 4 spiral lifts, drive whole adjusting platform and rise, be 1 times upset radius until the distance of cabin plate hight body bottom surface in the cabin, finely tune lift through the level meter of observing the overturn platform surface simultaneously, make the cabin plate level;
The 3rd step drove push rod and makes its elongation, drove overturn platform and cabin plate and together overturn, in 90 degree spacing place shut-down operations;
In the 4th step, the ball-screw assembly in the driving, on lower floor's sliding platform is regulated horizontal and length travel in the plate level face of cabin, carries out tentatively aligning of cabin plate and cabin body;
The 5th step, driving rotational mechanism worm screw, the rotation of driven gear bearing outer ring, thus make cabin plate revolution, further align adjusting;
In the 6th step, five frees degree can continue to regulate simultaneously, align fully until cabin plate and cabin body, carry out the installation of cabin plate.
The utility model not detailed description is a technology as well known to those skilled in the art.
Claims (2)
1. a five degree of freedom that is used for the plate assembling of satellite cabin is regulated platform, it is characterized in that comprising: switching mechanism, middle sliding platform (6), lower slider platform (7), guide rail, slide block and ball-screw assembly (8), slew gear (9), underframe (10), elevating mechanism (11) and castor (12); Switching mechanism is made up of overturn platform (1), last sliding platform (4), hinge component (2), push rod (3) and speed changer (5); Overturn platform (1) connects through hinge component (2) the same side with last sliding platform (4) mutually; Opposite side at sliding platform (4) is equipped with the push rod supporting seat; The two ends of push rod (3) connect the push rod supporting seat of overturn platform (1) middle part and sliding platform (4) opposite side respectively, and speed changer (5) is connected with push rod (3) and is used to control the flexible of push rod (3); Between last sliding platform (4) and the middle sliding platform (6), all be connected with ball-screw assembly (8) with slide block between middle sliding platform (6) and the lower slider platform (7) through guide rail; Slew gear (9) connects lower slider platform (7) and underframe (10); Elevating mechanism (11) be installed in underframe (10) around, castor (12) is installed on the underframe (10).
2. a kind of five degree of freedom that is used for the plate assembling of satellite cabin according to claim 1 is regulated platform; It is characterized in that: said slew gear (9) comprises disk gear bearing (13) and helical worm (14); The inside and outside circle of disk gear bearing (13) is installed in respectively on lower slider platform (7) and the underframe (10), and helical worm (14) is fixed on the bearing spider of underframe (10) and with disk gear bearing (13) and meshes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203462930U CN202225188U (en) | 2011-09-15 | 2011-09-15 | Five-degree-of-freedom adjustment platform for assembly of satellite capsule plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203462930U CN202225188U (en) | 2011-09-15 | 2011-09-15 | Five-degree-of-freedom adjustment platform for assembly of satellite capsule plate |
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| CN202225188U true CN202225188U (en) | 2012-05-23 |
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| CN2011203462930U Expired - Lifetime CN202225188U (en) | 2011-09-15 | 2011-09-15 | Five-degree-of-freedom adjustment platform for assembly of satellite capsule plate |
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