CN202593869U - Two-shaft rotational swing test platform - Google Patents
Two-shaft rotational swing test platform Download PDFInfo
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- CN202593869U CN202593869U CN2012202553744U CN201220255374U CN202593869U CN 202593869 U CN202593869 U CN 202593869U CN 2012202553744 U CN2012202553744 U CN 2012202553744U CN 201220255374 U CN201220255374 U CN 201220255374U CN 202593869 U CN202593869 U CN 202593869U
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Abstract
The utility model relates to a two-shaft rotational swing test platform which has the advantages of being high in accuracy and big in carrying capacity. The two-shaft rotational swing test platform comprises a motion platform, a fixing platform, two unconstrained branched chains, and a constrained branched chain, wherein the unconstrained branched chain is composed of a spherical hinge, a drive slide block, a first fixing long rod, and a first universal hinge. The drive slide block is connected with the bottom end of the first fixing long rod through the spherical hinge, and the top end of the first fixing long rod is connected with the motion platform through the first universal hinge. The drive slide block is connected with the fixing platform in sliding mode, and the constrained branched chain is composed of a second fixing long rod and a second universal hinge. The fixing platform is connected with the bottom end of the second fixing long rod in fixing mode, and the motion platform is connected with the top end of the second fixing long rod through the second universal hinge. A numerical analytical algorithm of an electrical control system software controls a movement of the drive slide block, so the two-shaft rotational swing test platform enables a gesture of the motion platform to change so as to achieve the aim of rolling and pitching of a simulation ship. A land-based platform is provided for testing a stable compensation performance of a lighting landing aid system of a shipboard helicopter.
Description
Technical field
The utility model relates to the compound diaxon rotation that a kind of precision is high, load-carrying capacity is big and waves test platform, under the continental rise condition, can be used for testing the stable compensation performance of carrier-based helicopter lamplight falling device.
Background technology
Modern times drive and protect lamplight falling devices such as glide angle indicator, roll angle indicating device are installed on the warship usually, and the carrier-based helicopter that can be the warship that making a return voyage provides certain gliding angle and warship to wave attitude information, and assisting in flying person selects the opportune time carrying out warship.Glide angle indicator can send vertical, stable red, yellow, the green tri-color beam of rolling of relative warship through follow-up system, under night or low visibility situation, for the aviator provides appreciiable glide paths and the orientation of marching into the arena; The roll angle indicating device can be indicated the rolling attitude information on naval vessel, supplies the aviator selecting warship mode and warship opportune time, and the guarantee Helicopter Safety is gone home.
The lamplight falling device is to drive to protect the guiding device that auxiliary helicopter indispensable on the warship warship; In development process or before formally installing and using, must be on the continental rise test platform roll and pitch through the emulation naval vessel move the emission light beam of verification light landing aid device whether stable, whether the servo-actuated servo control unit reach designing requirement.
The utility model content
The utility model is intended to address the above problem, and provides a kind of diaxon to rotate and has waved test platform, through the roll and pitch compound motion of simulation naval vessel on ocean, in real time the stable compensation performance of landing aid device is tested, and its technical scheme that adopts is following:
A kind of diaxon rotates and waves test platform; Comprise: motion platform, fixed platform, two no constrained branched chains and constrained branched chain; Said no constrained branched chain is made up of ball pivot, driving sliding block, first connecting-rods with constant lengh and the first universal hinge; The said first connecting-rods with constant lengh bottom is connected with driving sliding block through ball pivot, and the said first connecting-rods with constant lengh top is passed through the first universal hinge and is connected with motion platform, and said driving sliding block and fixed platform sliding block joint are also done longitudinal movement with respect to fixed platform;
Said constrained branched chain is made up of second connecting-rods with constant lengh and the second universal hinge; Said second connecting-rods with constant lengh bottom and fixed platform are affixed; The said second connecting-rods with constant lengh top is connected with motion platform through the second universal hinge, and the three-dimensional that said constrained branched chain has limited motion platform moves with one dimension rotates.
On the technique scheme basis, the triangle that line became of two first universal hinges and the attachment point of one second universal hinge on motion platform is an equilateral triangle; Two ball pivots are equilateral triangle at the formed triangle of line of formed two subpoints of fixed platform and the attachment point of said second connecting-rods with constant lengh on fixed platform, so can conveniently resolve the displacement and the speed of driving sliding block.
On the technique scheme basis, said second connecting-rods with constant lengh is vertical each other with fixed platform.
On the technique scheme basis, rolling, the pitching motion of motion platform are driven by driving sliding block, move the roll and pitch motion that makes the motion platform realization set thereby electric control system drives driving sliding block according to the numeric value analysis algorithm through ball-screw.
On the technique scheme basis, said motion platform is provided with roll angle indicating device and the glide angle indicator assembly that is used for lamplight falling.
The utlity model has following advantage: proving installation adopts parallel closed loop mechanism, support stiffness, load-carrying capacity height; Motion platform adopts three leg parallel connections to support, and roll and pitch rotational angle accumulated error is little, and precision is high; The proving installation mode of motion is clear and definite, and the kinematics analytical algorithm is simple, is convenient to servomotor and moves through the ball-screw driving sliding block speed and the attitude of motion platform are carried out micro-manipulation; Compare with the servo apply hydraulic pressure control system, debugging is simple, reliability is high, contamination resistance is strong; Compare with adopting the single degree of freedom turntable, need not switching-over and proofread benchmark again, can test and test the roll and pitch compensation performance of landing aid device simultaneously, shortened test period, save human and material resources.
Description of drawings
Fig. 1: the schematic diagram of mechanism of the utility model;
Fig. 2: the structural representation of the utility model;
Nomenclature:
1. motion platform, 2. fixed platform does not 3. have constrained branched chain, 4. constrained branched chain, 10. ball pivot, 11. driving sliding block, 12. first connecting-rods with constant lenghs, 13. first universal hinges, 14. second connecting-rods with constant lenghs, 15. second universal hinges.
The specific embodiment
Below in conjunction with accompanying drawing and instance the utility model is described further:
As depicted in figs. 1 and 2; A kind of diaxon rotates and waves test platform; Comprise: motion platform 1, fixed platform 2, two no constrained branched chains 3 and constrained branched chains 4; Said no constrained branched chain 3 is made up of ball pivot 10, driving sliding block 11, first connecting-rods with constant lengh 12 and the first universal hinge 13; Said first connecting-rods with constant lengh 12 bottoms are connected with driving sliding block 11 through ball pivot 10, and said first connecting-rods with constant lengh 12 tops are connected with motion platform 1 through the first universal hinge 13, and said driving sliding block 11 is done longitudinal movement with fixed platform 2 sliding block joints and with respect to fixed platform 2;
Said constrained branched chain 4 is made up of second connecting-rods with constant lengh 14 and the second universal hinge 15; Said second connecting-rods with constant lengh, 14 bottoms and fixed platform 2 are affixed; Said second connecting-rods with constant lengh 14 tops are connected with motion platform 1 through the second universal hinge 15; The yawing of said constrained branched chain 4 constrained motion platforms 1, swaying, surging and hang down and swing motion, the first universal hinge 13 and the second universal hinge 15 are through being bolted on the motion platform 1.
Preferably, the triangle that line became of two first universal hinges 13 and the attachment point of one second universal hinge 15 on motion platform 1 is an equilateral triangle; Two ball pivots 10 are equilateral triangle at the formed triangle of line of fixed platform 2 formed two subpoints and the attachment point of said second connecting-rods with constant lengh 14 on fixed platform 2.
Preferably, said second connecting-rods with constant lengh 14 is vertical each other with fixed platform 2.
Further, the rolling of motion platform 1, pitching motion are driven by driving sliding block 11.
Further again, said motion platform 1 is provided with roll angle indicating device and the glide angle indicator assembly (not shown) that is used for lamplight falling.
The utility model is not limited to above-mentioned specific embodiment, and all any changes done based on the utility model or modification all belong to the utility model and require the scope protected.
Claims (5)
1. a diaxon rotates and waves test platform; It is characterized in that; Comprise: motion platform (1), fixed platform (2), two no constrained branched chains (3) and constrained branched chain (4); Said no constrained branched chain (3) is made up of ball pivot (10), driving sliding block (11), first connecting-rods with constant lengh (12) and the first universal hinge (13); Said first connecting-rods with constant lengh (12) bottom is connected with driving sliding block (11) through ball pivot (10), and said first connecting-rods with constant lengh (12) top is connected with motion platform (1) through the first universal hinge (13), and said driving sliding block (11) is done longitudinal movement with fixed platform (2) sliding block joint and with respect to fixed platform (2);
Said constrained branched chain (4) is made up of second connecting-rods with constant lengh (14) and the second universal hinge (15), and said second connecting-rods with constant lengh (14) bottom and fixed platform (2) are affixed, and said second connecting-rods with constant lengh (14) top is connected with motion platform (1) through the second universal hinge (15).
2. a kind of diaxon according to claim 1 rotates and waves test platform, and it is characterized in that: the triangle that line became of two first universal hinges (13) and the attachment point of one second universal hinge (15) on motion platform (1) is an equilateral triangle; Two ball pivots (10) are equilateral triangle at the formed triangle of line of formed two subpoints of fixed platform (2) and the attachment point of said second connecting-rods with constant lengh (14) on fixed platform (2).
3. a kind of diaxon according to claim 1 rotates and waves test platform, it is characterized in that: said second connecting-rods with constant lengh (14) is vertical each other with fixed platform (2).
4. a kind of diaxon according to claim 1 rotates and waves test platform, and it is characterized in that: the rolling of motion platform (1), pitching motion are driven by driving sliding block (11).
5. a kind of diaxon according to claim 1 rotates and waves test platform, and it is characterized in that: said motion platform (1) is provided with roll angle indicating device and the glide angle indicator assembly that is used for lamplight falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202553744U CN202593869U (en) | 2012-06-01 | 2012-06-01 | Two-shaft rotational swing test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202553744U CN202593869U (en) | 2012-06-01 | 2012-06-01 | Two-shaft rotational swing test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202593869U true CN202593869U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202553744U Expired - Fee Related CN202593869U (en) | 2012-06-01 | 2012-06-01 | Two-shaft rotational swing test platform |
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| Country | Link |
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| CN (1) | CN202593869U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494840A (en) * | 2014-12-03 | 2015-04-08 | 中国人民解放军海军航空工程学院 | Unmanned helicopter ground testing console and application method thereof |
| CN106938707A (en) * | 2017-04-07 | 2017-07-11 | 南昌华梦达航空科技发展有限公司 | A kind of depopulated helicopter subtest and assisting in flying facility for study |
| CN107243921A (en) * | 2017-06-14 | 2017-10-13 | 东北大学 | A kind of waist joint for anthropomorphic robot |
| CN111731508A (en) * | 2020-06-05 | 2020-10-02 | 南京航空航天大学 | Four-degree-of-freedom aircraft parameter adjusting platform and working method thereof |
| CN114199534A (en) * | 2021-10-27 | 2022-03-18 | 武汉船用机械有限责任公司 | Test platform |
-
2012
- 2012-06-01 CN CN2012202553744U patent/CN202593869U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494840A (en) * | 2014-12-03 | 2015-04-08 | 中国人民解放军海军航空工程学院 | Unmanned helicopter ground testing console and application method thereof |
| CN106938707A (en) * | 2017-04-07 | 2017-07-11 | 南昌华梦达航空科技发展有限公司 | A kind of depopulated helicopter subtest and assisting in flying facility for study |
| CN106938707B (en) * | 2017-04-07 | 2019-05-21 | 南昌华梦达航空科技发展有限公司 | A kind of unmanned helicopter subtest and assisting in flying facility for study |
| CN107243921A (en) * | 2017-06-14 | 2017-10-13 | 东北大学 | A kind of waist joint for anthropomorphic robot |
| CN111731508A (en) * | 2020-06-05 | 2020-10-02 | 南京航空航天大学 | Four-degree-of-freedom aircraft parameter adjusting platform and working method thereof |
| CN114199534A (en) * | 2021-10-27 | 2022-03-18 | 武汉船用机械有限责任公司 | Test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130601 |