CN204257798U - A kind of large-scale feed antenna with Automatic-expanding function - Google Patents
A kind of large-scale feed antenna with Automatic-expanding function Download PDFInfo
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- CN204257798U CN204257798U CN201420824363.2U CN201420824363U CN204257798U CN 204257798 U CN204257798 U CN 204257798U CN 201420824363 U CN201420824363 U CN 201420824363U CN 204257798 U CN204257798 U CN 204257798U
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- elevating lever
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- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000001195 anabolic effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of large-scale feed antenna with Automatic-expanding function, belong to panel expanding unit field, it comprises and is arranged on holder cylinder under the unit of central reflective face and for rising and reversing the elevating lever cylinder of reflecting surface unit, elevating lever cylinder is inserted in the cavity of holder cylinder, the lower end of elevating lever cylinder is connected to elevating mechanism, and the upper end of elevating lever cylinder is connected to the edge of central reflective face unit; Position near upper edge in the cavity of holder cylinder is provided with roller feather key, the sidewall of the elevating lever cylinder with corresponding position, roller feather key position is provided with the cam path by being elevated, rotating requirement and design, described roller feather key and cam path match, under this device is integrated in reflecting surface unit, make to produce with rope rope and feed rope rope when launching panel to interfere, do not need to use other external equipment, without the need to separately establishing storage space, build use very convenient, structure is simple, accurate positioning, reliability is high.
Description
Technical field
The utility model belongs to panel expanding unit field, particularly a kind of large-scale feed antenna with Automatic-expanding function.
Background technology
Radio telescope is the visual plant in pry and research cosmic space, it is made up of Cabin and reflecting surface unit, the reflecting surface of antenna is made up of multiple reflecting surface unit splicing, be divided into periphery reflecting surface unit and reflecting surface unit, and along with the development of science and technology, the investigative range of radio telescope is more and more wider, volume is increasing, according to FAST master-plan, the Cabin that will use large volume that radio telescope is inevitable, enter a port in docking process at Cabin, in the anabolic process of i.e. Cabin and reflecting surface, reflecting surface must be removed and abdicate Cabin requisite space, existing reflecting surface removes scheme to be had respectively:
Dismounting method, by the dismounting of reflecting surface whole unit, to be hung by reflecting surface unit by feed drag-line and move, but these needs arrange hanging apparatus on feed drag-line, process is comparatively complicated, and it is unreliable to operate;
Inversion method, be successively by every block reflecting surface unit with the limit adjacent with periphery reflecting surface unit with it for axle overturns, for space is got out of the way in Cabin stop of entering a port, but so the rotating axis component of flexibility and reliability must be set.In addition, the comparatively large and heavier-weight of yardstick due to reflecting surface unit, need comparatively complicated switching mechanism, with ensure reflecting surface unit in the operability, switching process of switching process and upset put in place after safe and reliable, and the space shared by such switching mechanism is subject to Cabin and enters a port the restriction of stopping platform, be not easy to realize.
Push away the method for drawing, first by every block reflecting surface unit lifting to periphery reflecting surface cell operation face, then successively they are drawn above periphery reflecting surface cell operation face along track to extrapolation, but so push away a stroke track to be difficult to arrange, namely be subject to that track yardstick is large, the basic very weak restriction of rail supported, be subject to again the impact that track increase is blocked.
Above scheme, all there is significant deficiency, and must by numerous and diverse external equipment, such as tower crane, large-scale push-and-pull pulley mechanism, the assembling of this kind of numerous and diverse external equipment is just extremely consuming time, and difficulty is comparatively large in the operation of Reflector Panel, more difficult realization, cost also increases thereupon, or need to increase sliding track mechanism on periphery reflecting surface, utilize sliding track mechanism to remove reflecting surface, and sliding track mechanism can block reflecting surface unit, equipment precision is impacted, therefore above scheme and equipment thereof are neither desirable, need propose a kind of can the large-scale feed antenna of Automatic-expanding.
Utility model content
For solving the problem that antenna element is difficult to launch, provide a kind of large-scale feed antenna with Automatic-expanding function, to make automation and the facilitation more of deployable antenna panel.
The technical scheme provided is, provides a kind of large-scale feed antenna with Automatic-expanding function, and the reflecting surface of described antenna is made up of multiple reflecting surface unit splicing, and it is fitted with a lift rotating equipment at the dorsal edge place of one or more reflecting surface unit; Described lift rotating equipment comprises and is arranged on holder cylinder under reflecting surface unit and for rising and reversing the elevating lever cylinder of reflecting surface unit, elevating lever cylinder inserts in the cavity coordinating present cylinder, the lower end of elevating lever cylinder is connected to elevating mechanism, and the upper end of elevating lever cylinder is connected to the edge of reflecting surface unit; Position near upper edge in the cavity of holder cylinder is provided with roller feather key, and the sidewall of the elevating lever cylinder with corresponding position, roller feather key position offers cam path, and described roller feather key and cam path match; Described cam path comprise with the axis of elevating lever cylinder in the same way for straight trough shape dropping section and be the rotation section of curved groove shape around the downward spiral of sidewall of elevating lever cylinder, the lower end of dropping section connects to be combined to form cam path with the upper end of rotation section.
Further, Torque sleeve is provided with directly over described elevating lever cylinder, the interior accent of Torque sleeve is just to elevating lever cylinder upper end, and the cavity shape of Torque sleeve is consistent with the profile of elevating lever cylinder, and Torque sleeve is fixedly installed near the edge of reflecting surface unit.
Further, the lateral surface of elevating lever cylinder is also provided with the torsion key flushed with its upper surface, Torque sleeve is provided with in order to hold the torsion keyway reversing key.
Further, described elevating mechanism comprises elevating screw, and elevating screw is vertically set on the inner chamber central authorities of holder cylinder, and one end of elevating screw is connected to the lower panel of elevating lever cylinder, and the other end of elevating screw is connected to drive motors.
The utility model compared with prior art has following beneficial effect:
The described large-scale feed antenna device with Automatic-expanding function is used to implement rotation approach, adopt screw-nut pair lifting mechanism so that reflecting surface unit is raised up to predetermined altitude, avoid using tower crane lifting, and the good cost of screw pair accurate positioning controllability is low.
Self-presenting devices comprises holder cylinder and elevating lever cylinder, elevating lever cylinder is connected to the edge of reflecting surface unit, elevating lever cylinder have by lifting, the cam path rotating requirement design, coordinate the torsion key that holder cylinder is arranged, elevating lever cylinder is made to carry out rising and rotating according to both fixed tracks, so reflecting surface is angry and revolve and move on to commitment positions, and the structure of this kind of rotating mechanism is simpler, location is more accurate, substantially increases reliability.
Described cam path comprise with the axis of elevating lever cylinder in the same way for straight trough shape dropping section and be the rotation section of curved groove shape around the downward spiral of sidewall of elevating lever cylinder, the shape of cam path is easy to processing and exists, main equipment is inherently difficult to make, more be difficult to processing, this lifting rotation cam path has that structure is simple, performance efficiency, be easy to the feature of processing.
Torque sleeve is fixed on the edge of reflecting surface unit, torsion key is provided with at elevating lever, Torque sleeve is provided with in order to hold the torsion keyway reversing key, and ensure that cavity shape is consistent with the profile of elevating lever cylinder, the two is just right, certain altitude difference is there is between elevating lever cylinder and Torque sleeve, elevating lever cylinder rises, its top then embeds in Torque sleeve, because elevating lever cylinder is provided with torsion key, elevating lever cylinder is provided with torsion keyway, therefore elevating lever cylinder rotarily drives torque arm cylinder and then drives reflecting surface finite element rotation, when needs rotate, Torque sleeve is connected elevating lever cylinder and reflecting surface, when carrying out collecting state, elevating lever cylinder is separated with Torque sleeve, elevating lever cylinder is indirect connection with reflecting surface indirect connection, save the weight reduction of bar cylinder material, equipment is lighter, all parts is made to be easier to processing, greatly reduce costs.
This integration of equipments, under reflecting surface unit, makes to produce with rope rope and feed rope rope and interfere when launching panel, does not need to use other external equipment, and without the need to separately establishing storage space, it is more convenient to build use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model internal structure schematic diagram
Fig. 3 is the utility model cutaway view
Fig. 4 is elevating lever barrel structure schematic diagram figure
Fig. 5 is rotation approach schematic diagram
Fig. 6 is reflecting surface unit and the lift rotating equipment link position relation schematic diagram of antenna
Embodiment
The utility model comprises reflecting surface unit, holder cylinder 1, elevating lever cylinder 2, elevating screw 3, reduction box, drive motors, and Torque sleeve 4 forms.Wherein, holder cylinder 1 is provided with roller feather key 1a; The sidewall of elevating lever cylinder 2 has cam path 2a, reverse key 2b; With torsion keyway 4a on Torque sleeve 4.
Below in conjunction with drawings and Examples, the utility model is described in further details:
As Fig. 1, shown in 2, holder cylinder 1 fixes on the ground, the base support parts of equipment, cylindrical shell plays a supportive role, inwall play the guiding role to elevating lever cylinder 2, holder cylinder 1 is cylindrical shape, the bottom of holder cylinder 1 is provided with lowering or hoisting gear, lowering or hoisting gear comprises, elevating screw 3, elevating screw 3 is vertically set on the inner chamber central authorities of holder cylinder 1, elevating screw 3 is connected with feed screw nut, feed screw nut is connected with elevating lever cylinder 2, the lower end of elevating screw 3 be connected to can 90 ° of carry-over moments reduction box output shaft on, such as turbine and worm reduction box or bevel gear reduction box, the power shaft of reduction box connects drive motors, be positioned in the cavity of holder cylinder 1 and be provided with roller feather key 1a near the position on upper edge, the junction of roller feather key 1a and holder cylinder 1 is also embedded with bearing, the sidewall of the elevating lever cylinder 2 with corresponding position, roller feather key 1a position is provided with by lifting, rotate the cam path 2a requiring design, cam path 2a comprise with the axis of elevating lever cylinder 2 in the same way for straight trough shape dropping section and be the rotation section of curved groove shape around the downward spiral of sidewall of elevating lever cylinder 2, the lower end of dropping section connects to be combined to form cam path with the upper end rotating section, described roller feather key 1a and cam path 2a matches formation higher pair, rolling feather key 1a can roll along both fixed tracks of cam path 2a inwall, the lateral surface of described elevating lever cylinder 2 is also provided with the torsion key 1b flushed with its upper surface, Torque sleeve 4 is provided with directly over elevating lever cylinder 2, Torque sleeve 4 is barrier parts with torsion keyway 4a, it can match with elevating lever cylinder 2, complete the support to reflecting surface unit and torsion, Torque sleeve 4 participates in the structure of reflecting surface unit backrest, it is the critical piece of panel expanding unit, it is again the component part of reflecting surface unit backrest, the shape of the inner chamber of Torque sleeve 4 is consistent with the profile of elevating lever cylinder 2, Torque sleeve 4 is provided with in order to hold the torsion keyway 4a reversing key 2b, the length of described cam path 2a dropping section equals the distance between elevating lever cylinder 2 upper surface to Torque sleeve 4 inner top surface, described Torque sleeve 4 is arranged near the edge of reflecting surface unit, the end face of Torque sleeve 4 is fixedly connected with reflecting surface unit, the interior accent of Torque sleeve 4 is just to elevating lever cylinder 2 upper end.
Be described with reference to Fig. 3, the course of work of the present utility model is, first drive motors is started, drive motors drives reduction box to rotate, reduction box drives elevating screw 3 to rotate, relatively rotate between elevating screw 3 and feed screw nut, under the guide effect of holder cylinder 1 and roller feather key 1a, elevating lever cylinder 2 rises along with feed screw nut and vertically rises, when roller feather key 1a covers the dropping section of described cam path 2a just, the top of elevating lever cylinder 2 embeds and is full of the whole inner chamber of Torque sleeve 4, torsion key 1b and torsion keyway 4a matches, now reflecting surface unit is raised to above other reflecting surface unit, also safety clearance is left between raised reflecting surface unit and other reflecting surface unit, along with elevating lever cylinder 2 continues to rise, roller feather key 1a starts the rotation section entering cam path 2a, now roller feather key 1a coordinates rotation section to make elevating lever cylinder 2 start to rotate, elevating lever cylinder 2 reverses Torque sleeve 4 by torsion key 1b, treat that roller feather key 1a covers whole cam path 2a, rotary motion is complete, reflecting surface unit just in time rotates the top of the working face to other reflecting surface unit, open Cabin to enter a port requisite space.
Collecting state of the present utility model is, the inverse motion of deployed condition, elevating lever cylinder 2, first by reflecting surface unit cycle reflecting surface center, is fallen throw off completely to the Torque sleeve 4 with reflecting surface unit completely, treats reflecting surface unit to be down to precalculated position collection process complete.
Claims (4)
1. have a large-scale feed antenna for Automatic-expanding function, the reflecting surface of described antenna is made up of multiple reflecting surface unit splicing, it is characterized in that: be fitted with a lift rotating equipment at the dorsal edge place of one or more reflecting surface unit; Described lift rotating equipment comprises and is arranged on holder cylinder (1) under reflecting surface unit and for rising and reversing the elevating lever cylinder (2) of reflecting surface unit, elevating lever cylinder (2) inserts in the cavity coordinating present cylinder (1), the lower end of elevating lever cylinder (2) is connected to elevating mechanism, and the upper end of elevating lever cylinder (2) is connected to the edge of reflecting surface unit; Position near upper edge in the cavity of holder cylinder (1) is provided with roller feather key (1a), the sidewall of the elevating lever cylinder (2) with roller feather key (1a) corresponding position, position offers cam path (2a), and described roller feather key (1a) and cam path (2a) match; Described cam path (2a) comprise with the axis of elevating lever cylinder (2) in the same way for straight trough shape dropping section and be the rotation section of curved groove shape around the downward spiral of sidewall of elevating lever cylinder (2), the lower end of dropping section connects to be combined to form cam path with the upper end of rotation section.
2. a kind of large-scale feed antenna with Automatic-expanding function according to claim 1, it is characterized in that: directly over described elevating lever cylinder (2), be provided with Torque sleeve (4), the interior accent of Torque sleeve (4) is just to elevating lever cylinder (2) upper end, and the cavity shape of Torque sleeve (4) is consistent with the profile of elevating lever cylinder (2), Torque sleeve (4) is fixedly installed near the edge of reflecting surface unit.
3. a kind of large-scale feed antenna with Automatic-expanding function according to claim 2, it is characterized in that: the lateral surface of elevating lever cylinder (2) is also provided with the torsion key (2b) flushed with its upper surface, Torque sleeve (4) is provided with in order to hold the torsion keyway (4a) reversing key (1b).
4. a kind of large-scale feed antenna with Automatic-expanding function according to claim 1, it is characterized in that: described elevating mechanism comprises elevating screw (3), elevating screw (3) is vertically set on the inner chamber central authorities of holder cylinder (1), one end of elevating screw (3) is connected to the lower panel of elevating lever cylinder (2), and the other end of elevating screw (3) is connected to drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824363.2U CN204257798U (en) | 2014-12-23 | 2014-12-23 | A kind of large-scale feed antenna with Automatic-expanding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824363.2U CN204257798U (en) | 2014-12-23 | 2014-12-23 | A kind of large-scale feed antenna with Automatic-expanding function |
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| Publication Number | Publication Date |
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| CN204257798U true CN204257798U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420824363.2U Expired - Fee Related CN204257798U (en) | 2014-12-23 | 2014-12-23 | A kind of large-scale feed antenna with Automatic-expanding function |
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| CN (1) | CN204257798U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390792A (en) * | 2015-11-16 | 2016-03-09 | 深圳市华讯方舟卫星通信有限公司 | Portable satellite communication rotating parabolic antenna |
| CN105906196A (en) * | 2016-06-19 | 2016-08-31 | 长沙知元科技有限公司 | Bottle discharge mechanical hand, bottle manufacturing machine and glass bottles |
| CN107994313A (en) * | 2017-11-02 | 2018-05-04 | 银河航天（北京）科技有限公司 | A kind of high storage of high rigidity is than deployable antenna mechanism |
| CN108002277A (en) * | 2017-12-29 | 2018-05-08 | 贵州大学 | A kind of directional solidification conticaster furnace cover lifting device |
| CN111584994A (en) * | 2020-04-30 | 2020-08-25 | 重庆市计量质量检测研究院 | A portable anti-jamming navigation antenna |
| CN112124961A (en) * | 2020-09-17 | 2020-12-25 | 安徽持恒电子科技有限公司 | Reinforced sheet sucking device of printed circuit board and sheet sucking method thereof |
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2014
- 2014-12-23 CN CN201420824363.2U patent/CN204257798U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390792A (en) * | 2015-11-16 | 2016-03-09 | 深圳市华讯方舟卫星通信有限公司 | Portable satellite communication rotating parabolic antenna |
| CN105390792B (en) * | 2015-11-16 | 2018-06-01 | 深圳市华讯方舟卫星通信有限公司 | A kind of portable satellite communications rotary parabolic surface antenna |
| CN105906196A (en) * | 2016-06-19 | 2016-08-31 | 长沙知元科技有限公司 | Bottle discharge mechanical hand, bottle manufacturing machine and glass bottles |
| CN107994313A (en) * | 2017-11-02 | 2018-05-04 | 银河航天（北京）科技有限公司 | A kind of high storage of high rigidity is than deployable antenna mechanism |
| CN107994313B (en) * | 2017-11-02 | 2020-08-04 | 银河航天（北京）科技有限公司 | High-rigidity high-storage-ratio unfolding antenna mechanism |
| CN108002277A (en) * | 2017-12-29 | 2018-05-08 | 贵州大学 | A kind of directional solidification conticaster furnace cover lifting device |
| CN111584994A (en) * | 2020-04-30 | 2020-08-25 | 重庆市计量质量检测研究院 | A portable anti-jamming navigation antenna |
| CN111584994B (en) * | 2020-04-30 | 2021-04-16 | 重庆市计量质量检测研究院 | Bear portable anti-interference navigation antenna |
| CN112124961A (en) * | 2020-09-17 | 2020-12-25 | 安徽持恒电子科技有限公司 | Reinforced sheet sucking device of printed circuit board and sheet sucking method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |