A kind of humanoid burr shape telescopic mechanism of film antenna

文档序号:1757801 发布日期:2019-11-29 浏览:28次 中文

阅读说明:本技术 一种薄膜天线人形杆环状可折展机构 (A kind of humanoid burr shape telescopic mechanism of film antenna ) 是由 王岩 陈崇斌 谈璐璐 董好志 王亚锋 于 2019-08-23 设计创作,主要内容包括:本发明公开一种薄膜天线人形杆环状可折展机构,整体结构设置为环状多边形,包括上下两层,每一层均设置有若干同步驱动机构,每个所述同步驱动机构均包括驱动装置、齿轮传动装置、滚筒传动装置、径向压紧装置和辅助支撑装置,所述驱动装置通过所述齿轮传动装置传动并与所述滚筒传动装置连接,所述径向压紧装置对应所述滚筒传动装置设置,所述辅助支撑装置形成整体支撑框架,便于所述驱动装置、所述齿轮传动装置、所述滚筒传动装置、所述径向压紧装置的位置设置;相邻所述同步驱动机构通过人形杆连接;本发明解决现有的由刚性铰链和刚性杆构成的可展开机构展开过程中冲击大和质量较重的问题,且可实现环向和纵向同步展开。(The present invention discloses a kind of humanoid burr shape telescopic mechanism of film antenna, overall structure is set as annular polygonal, including upper layer and lower layer, each layer is provided with several synchronous drive mechanisms, each synchronous drive mechanism includes driving device, gear assembly, rotor drive, radial compaction device and auxiliary support apparatus, the driving device is driven by the gear assembly and is connect with the rotor drive, the radial compaction device corresponds to the rotor drive setting, the auxiliary support apparatus forms integrated support frame, convenient for the driving device, the gear assembly, the rotor drive, the position of the radial compaction device is arranged;The adjacent synchronous drive mechanism is connected by humanoid bar;The present invention solves the problems, such as to impact big and heavier mass during the existing deployable mechanism expansion being made of rigid hinge and rigid rod, and can realize circumferential and longitudinal synchronous expansion.)

1. a kind of humanoid burr shape telescopic mechanism of film antenna, which is characterized in that overall structure is set as annular polygonal, packet Include upper layer and lower layer, each layer is provided with several synchronous drive mechanisms, each synchronous drive mechanism include driving device, Gear assembly, rotor drive, radial compaction device and auxiliary support apparatus, the driving device pass through the gear Drive is simultaneously connect with the rotor drive, and the radial compaction device corresponds to the rotor drive and sets It sets, the auxiliary support apparatus forms integrated support frame, is convenient for the driving device, the gear assembly, the rolling The position setting of cylinder transmission device, the radial compaction device;The adjacent synchronous drive mechanism is connected by humanoid bar.

2. the humanoid burr shape telescopic mechanism of film antenna as described in claim 1, which is characterized in that the drum drive dress It sets including longitudinal transmission chunking and endless drive chunking, longitudinal transmission chunking and the endless drive chunking are equipped with There are corresponding radial compaction device and the auxiliary support apparatus;The driving device by the gear assembly respectively with Longitudinal transmission chunking, endless drive chunking transmission connection.

3. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 2, which is characterized in that the loading drive gear It sets including first bevel gear, second bevel gear, the first transmission shaft, the first spur gear, the second spur gear, the first main shaft;The drive The output shaft of dynamic device is connect with the first bevel gear;First transmission shaft and the second bevel gear are affixed;Described One bevel gear engages with the second bevel gear;First spur gear and the first transmission axis connection;The Auxiliary support First main shaft on device on the first bottom plate is connect with second spur gear;First spur gear is straight with described second Gear engages, and first main shaft on first bottom plate is connect with the endless drive chunking.

4. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 3, which is characterized in that the loading drive gear Set further includes third hand tap gear, second driving shaft, third spur gear, the 4th spur gear;The second driving shaft and the third Bevel gear is affixed;The second bevel gear is engaged with the third hand tap gear;The third spur gear and the second driving shaft Connection;First main shaft on the auxiliary support apparatus on the second bottom plate is connect with the 4th spur gear;The third Spur gear is engaged with the 4th spur gear, and first main shaft on second bottom plate and longitudinal shape transmission chunking connect It connects.

5. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 2, which is characterized in that the Auxiliary support dress It sets including the first top plate, upper plate, baffle, support rod;First top plate passes through with first bottom plate, second bottom plate The support rod is fixed together, and the rotor drive is set to first top plate and first bottom plate, described the Between two bottom plates.

6. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 5, which is characterized in that first top plate with It is fixed together between the upper plate;The baffle is fixed together with first top plate, first bottom plate;The electricity Machine fixed plate is fixed together with first bottom plate, second bottom plate.

7. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 6, which is characterized in that first top plate, First bottom plate, second bottom plate, the baffle, the motor fixing plate are set as waist-shaped hole in junction.

8. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 2, which is characterized in that the longitudinal direction transmission group Block and the endless drive chunking include shaft coupling, the first roller, upper end cover, bearing, roller tabletting bar, first main shaft It is connect with the shaft coupling;First roller is connect with the shaft coupling, the upper end cover, in the upper end cover and described the Bearing block is equipped between one top plate;Bearing block on the bearing and the upper end cover, first top plate is interference fitted;It is described The humanoid bar is fixed on first roller by roller tabletting bar by screw.

9. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 8, which is characterized in that the radial compaction dress It sets including mandrel, the first extension spring, the second extension spring, sliding block, bottom plate fixed frame;Screw is screwed into the upper plate, described First top plate, the positioning column as first extension spring;The bottom plate fixed frame is fixed in described by the nut Positioning column on one bottom plate, as second extension spring;First extension spring, second extension spring hold institute Mandrel is stated, the mandrel and the sliding block are affixed;The both ends of the sliding block are arranged in first top plate and first bottom plate It can slide in the guide rail sliding chute being equipped with and along the guide rail sliding chute.

10. the humanoid burr shape telescopic mechanism of film antenna as claimed in claim 9, which is characterized in that the radial compaction Device further includes clamping frame, compresses roller, and the clamping frame both ends and the compression roller are affixed, match with the mandrel interference It closes;The compression roller pushed down under the action of first extension spring, the second extension spring pretightning force be entangled in it is described The humanoid bar on first roller.

Technical field

The present invention relates to space telescopic mechanism technology fields, and in particular to a kind of humanoid burr shape telescopic of film antenna Mechanism.

Background technique

Film antenna is the important component of spacecraft, is the direct Important Platform for executing satellite function.In order to meet Satellite communication demand, film antenna inevitably tends to enlargement, complicates, but it is faced with delivery vehicle again at the same time The limitation of the useful space and carrying capacity.Solving this contradictory most viable method is exactly using better film antenna unwinder Configuration formula.

Existing film antenna telescopic mechanism is generally made of rigid hinge and rigid rod, which was unfolded Big and heavier mass is impacted in journey, is unsuitable for the expansion of large-scale film antenna.

In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.

Summary of the invention

To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of humanoid burr of film antenna Shape telescopic mechanism, overall structure are set as annular polygonal, including upper layer and lower layer, and each layer is provided with several synchronous drivings Mechanism, each synchronous drive mechanism include driving device, gear assembly, rotor drive, radial compaction dress It sets and auxiliary support apparatus, the driving device is driven by the gear assembly and is connected with the rotor drive It connecing, the radial compaction device corresponds to the rotor drive setting, and the auxiliary support apparatus forms integrated support frame, Position convenient for the driving device, the gear assembly, the rotor drive, the radial compaction device is set It sets;The adjacent synchronous drive mechanism is connected by humanoid bar.

Preferably, the rotor drive includes longitudinal transmission chunking and endless drive chunking, the longitudinal direction transmission group Block and the endless drive chunking are equipped with corresponding radial compaction device and the auxiliary support apparatus;The driving Device is sequentially connected with longitudinal transmission chunking, the endless drive chunking respectively by the gear assembly.

Preferably, the gear assembly includes first bevel gear, second bevel gear, the first transmission shaft, the first straight-tooth Wheel, the second spur gear, the first main shaft;The output shaft of the driving device is connect with the first bevel gear;First transmission Axis and the second bevel gear are affixed;The first bevel gear is engaged with the second bevel gear;First spur gear and institute State the first transmission axis connection;First main shaft and second spur gear on the auxiliary support apparatus on the first bottom plate connect It connects;First spur gear is engaged with second spur gear, first main shaft on first bottom plate and the annular It is driven chunking connection.

Preferably, the gear assembly further include third hand tap gear, it is second driving shaft, third spur gear, the 4th straight Gear;The second driving shaft and the third hand tap gear are affixed;The second bevel gear is engaged with the third hand tap gear;Institute Third spur gear is stated to connect with the second driving shaft;First main shaft on the auxiliary support apparatus on the second bottom plate with The 4th spur gear connection;The third spur gear is engaged with the 4th spur gear, and described on second bottom plate One main shaft is connect with longitudinal shape transmission chunking.

Preferably, the auxiliary support apparatus includes the first top plate, upper plate, baffle, support rod;First top plate with First bottom plate, second bottom plate are fixed together by the support rod, and the rotor drive is set to described Between first top plate and first bottom plate, second bottom plate.

Preferably, being fixed together between first top plate and the upper plate;The baffle and first top plate, First bottom plate is fixed together;The motor fixing plate is fixed together with first bottom plate, second bottom plate.

Preferably, first top plate, first bottom plate, second bottom plate, the baffle, the motor fixing plate Waist-shaped hole is set as in junction.

Preferably, longitudinal transmission chunking and the endless drive chunking include shaft coupling, the first roller, upper end Lid, bearing, roller tabletting bar, first main shaft are connect with the shaft coupling;It is first roller and the shaft coupling, described Upper end cover connection, is equipped with bearing block between the upper end cover and first top plate;It is the bearing and the upper end cover, described Bearing block interference fit on first top plate;The humanoid bar is fixed in first rolling by screw by the roller tabletting bar On cylinder.

Preferably, the radial compaction device includes that mandrel, the first extension spring, the second extension spring, sliding block, bottom plate are solid Determine frame;Screw is screwed into the upper plate, first top plate, the positioning column as first extension spring;The bottom plate is solid Determine frame to be fixed on first bottom plate by the nut, the positioning column as second extension spring;Described first draws Spring, second extension spring pulling mandrel are stretched, the mandrel and the sliding block are affixed;The both ends of the sliding block are arranged It can slide in the guide rail sliding chute that first top plate and first bottom plate are equipped with and along the guide rail sliding chute.

Preferably, the radial compaction device further includes clamping frame, compresses roller, the clamping frame both ends and the compression Roller is affixed, is interference fitted with the mandrel;The compression roller is pre- in first extension spring, second extension spring The humanoid bar being entangled on first roller is pushed down under the action of clamp force.

Compared with the prior art the beneficial effects of the present invention are: the present invention solve it is existing by rigid hinge and rigid rod The problem of impacting big and heavier mass during the deployable mechanism expansion of composition, and can realize circumferential and longitudinal synchronous expansion. The mechanism ring-type is decagon, including upper layer and lower layer, each layer are made of ten synchronous drive mechanisms, each synchronous drive mechanism Motor movement is passed into two rollers to intersect vertically by bevel gear, realizes two humanoid bars being mutually perpendicular in plane It is unfolded simultaneously to three directions.The radial compaction mechanism contained in the mechanism radially flattens for realizing humanoid bar, circumferential to press Tight mechanism realizes compactedness when humanoid bar collapses winding, and supporting mechanism can be improved the rigidity of humanoid bar unfolded state.This hair Bright to have deployable area big, expansion, gathering process are stablized, and gathering is small in size, provide efficiently for the expansion of film antenna structure With the technology of reliability.

Detailed description of the invention

Fig. 1 is the stereochemical structure view of the humanoid burr shape telescopic mechanism of the film antenna;

Fig. 2 is the stereochemical structure view of the synchronous drive mechanism;

Fig. 3 is the topology view of the gear assembly;

Fig. 4 is the topology view of the rotor drive;

Fig. 5 is the humanoid bar cross-sectional view;

Fig. 6 is the expansion procedure chart of the humanoid burr shape telescopic mechanism of the film antenna.

Digital representation in figure:

101- driving motor;102- retarder;201- first bevel gear;202- second bevel gear;203- third hand tap gear; The first flat key of 204-;The first transmission shaft of 205-;206- second driving shaft;The first axle sleeve of 207-;The second axle sleeve of 208-;209- second Flat key;The first spur gear of 210-;The second spur gear of 211-;The first main shaft of 212-;213- third flat key;214- third spur gear; The 4th spur gear of 215-;301- shaft coupling;The first roller of 302-;304- upper end cover;305- roller tabletting bar;The humanoid bar of 308-; 401- mandrel;402- clamping frame;403- compresses roller;The first extension spring of 404-;The second extension spring of 405-;406- sliding block; 407- is oriented to compressor arm;408- bottom plate fixed frame;The first top plate of 501-;502- top plate;503- upper plate;The first bottom plate of 504-; The second bottom plate of 505-;506- baffle;507- support rod;508- upper plate fixing bolt;509- motor fixing plate.

Specific embodiment

Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.

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