CN106342110B - Space Docking Mechanism docking lock locking property checkout equipment - Google Patents
Space Docking Mechanism docking lock locking property checkout equipmentInfo
- Publication number
- CN106342110B CN106342110B CN201110016160.1A CN201110016160A CN106342110B CN 106342110 B CN106342110 B CN 106342110B CN 201110016160 A CN201110016160 A CN 201110016160A CN 106342110 B CN106342110 B CN 106342110B
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- China
- Prior art keywords
- docking
- locking
- mechanical test
- collecting card
- test platform
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Abstract
The invention provides Space Docking Mechanism docking lock locking property checkout equipment, comprise mechanical test platform, and connect TT&C system and the temperature control system of described mechanical test platform, described mechanical test platform comprises industrial control computer, data collecting card, gather code-disc, torque sensor, locking/release microswitch, displacement transducer and strain amplifier, wherein, described industrial control computer is by pci bus and data collecting card data interaction and for showing, record test value, wherein, described data collecting card gathers code-disc, torque sensor, locking/release microswitch, the signal of displacement transducer and strain amplifier. the present invention is directed to the work characteristics of docking lock, the special inspecting equipment of docking lock locking property is provided, filled up technological gap.
Description
Technical field
The present invention relates to a kind of checkout equipment, in particular for detection space docking mechanism docking lock coupling mechanism force,The checkout equipment of locking angle, locking torque, the displacement of butterfly spring, relates to a kind of Space Docking Mechanism particularlyDocking lock locking property checkout equipment.
Background technology
Docking lock is the significant components in Space Docking Mechanism, and the connection of the mechanism that is mainly used in achieving a butt joint is closeEnvelope function. In the time that spacecraft docks, realize the firm of two aircraft by the docking lock system on docking mechanismProperty connects, and realizes sealing by hermetically-sealed construction. So docking lock lock ability is to determine docking mechanism energyAn important indicator of no normal docking. In Space Docking Mechanism development, need to be for the work of docking lockMake feature, the special inspecting equipment of development docking lock locking property, Chinese Space docking mechanism belongs to first at presentInferior development, domestic still do not have a similar checkout equipment.
Summary of the invention
Object of the present invention is mainly to solve Space Docking Mechanism docking lock locking property accurately to detect a difficult problem,For the development of docking lock provides test, checkout equipment.
According to an aspect of the present invention, providing a kind of Space Docking Mechanism docking lock locking property to detect establishesStandby, comprise mechanical test platform and connect TT&C system and the temperature control system of described mechanical test platform,Wherein: described TT&C system is for Electric Machine Control, signal processing, data to described mechanical test platformCollection and analysis, man-machine interaction; Described temperature control system is for the high low temperature to described mechanical test platformTemperature control and the demonstration of case; Described mechanical test platform comprise industrial control computer, data collecting card,Gather code-disc, torque sensor, locking/release microswitch, displacement transducer and strain amplifier,Wherein, described industrial control computer by pci bus and data collecting card data interaction and for showing,Record test value, wherein, described data collecting card gathers code-disc, torque sensor, locking/release fine motionThe signal of switch, displacement transducer and strain amplifier.
Preferably, described temperature control system is by thermistor Real-time Collection high-low temperature chamber the temperature inside the box, simultaneouslyCompare with the temperature that user sets, according to comparative result, judgement is freezed or heats.
Preferably, described TT&C system comprises system man-machine interface, and wherein, described system man-machine interface is usedIn setting parameters, by locking, start button, control motor and drive combination, complete docking lock lockTightly.
Preferably, described mechanical test platform comprises upper and lower two docking locks and installing plate, wherein, upper and lowerTwo docking locks are arranged on respectively on installing plate, by alignment pin and attachment screw on two installing plates.
Preferably, described TT&C system is according to the parameters such as the elastic modelling quantity of docking lock latch hook material, estimation lockBe hooked in the strain size under different pulling force, then according to estimated value, latch hook strained situation carried out on puller systemDemarcate, draw the strain curve of latch hook under different tensile loads.
Preferably, described temperature control system is for being controlled at-70 DEG C～70 DEG C by high-low temperature chamber the temperature inside the box.
This checkout equipment can be simulated the practical work process of docking lock, its locking property is tested andAnalyze, and can simulate high low temperature (70 DEG C～70 DEG C) working environment, under the high low temperature condition of docking lockService behaviour detected.
The precision index that this testing equipment reaches is as follows:
Docking lock locking torque measurement precision is 0.5%;
Docking lock rope sheave tachometric survey precision is 0.5%;
Docking lock rope sheave outer corner measurement precision is 0.5%;
Docking lock latch hook displacement sensor precision is 0.01mm;
Docking lock coupling mechanism force certainty of measurement is 0.1KN;
Docking lock operating temperature certainty of measurement is 0.1 DEG C.
This testing equipment is mainly made up of TT&C system, temperature control system, mechanical test platform etc. Wherein surveyControl system mainly realizes the functions such as Electric Machine Control, signal processing, data collection and analysis, man-machine interaction;Temperature control system is mainly realized the function such as temperature control and demonstration to high-low temperature chamber; Mechanical test platform is mainBy transmission gear for electric motor, simulation latch hook docking facilities, sensor, Product Assembly interface, mounting platform etc.Composition.
The present invention is directed to the work characteristics of docking lock, the special inspecting equipment of docking lock locking property be provided,Fill up technological gap.
Brief description of the drawings
By reading the detailed description non-limiting example done with reference to the following drawings, of the present invention itsIt is more obvious that its feature, object and advantage will become:
Fig. 1 is the block diagram that represents system composition of the present invention;
Fig. 2 is the structure chart that represents mechanical test platform composition of the present invention;
Fig. 3 is the Local map that represents local implementation form of the present invention;
Fig. 4 is the flow chart that represents workflow of the present invention;
Fig. 5 is the surface chart that represents software interface of the present invention;
Fig. 6 is the photo figure that represents composition of the present invention and outward appearance.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
According to Space Docking Mechanism docking lock locking property checkout equipment provided by the invention, comprise machinery surveyTry platform and connect TT&C system and the temperature control system of described mechanical test platform, wherein: described surveyControl system for Electric Machine Control to described mechanical test platform, signal processing, data collection and analysis,Man-machine interaction; Described temperature control system is for the temperature control of the high-low temperature chamber to described mechanical test platformWith demonstration; Described mechanical test platform comprise industrial control computer, data collecting card, collection code-disc,Torque sensor, locking/release microswitch, displacement transducer and strain amplifier, wherein, described inIndustrial control computer by pci bus and data collecting card data interaction and for showing, record testValue, wherein, described data collecting card gathers code-disc, torque sensor, locking/release microswitch, positionThe signal of displacement sensor and strain amplifier.
Preferably, described temperature control system is by thermistor Real-time Collection high-low temperature chamber the temperature inside the box, simultaneouslyCompare with the temperature that user sets, according to comparative result, judgement is freezed or heats.
Preferably, described TT&C system comprises system man-machine interface, and wherein, described system man-machine interface is usedIn setting parameters, by locking, start button, control motor and drive combination, complete docking lock lockTightly.
Preferably, described mechanical test platform comprises upper and lower two docking locks and installing plate, wherein, upper and lowerTwo docking locks are arranged on respectively on installing plate, by alignment pin and attachment screw on two installing plates.
Preferably, described TT&C system is according to the parameters such as the elastic modelling quantity of docking lock latch hook material, estimation lockBe hooked in the strain size under different pulling force, then according to estimated value, latch hook strained situation carried out on puller systemDemarcate, draw the strain curve of latch hook under different tensile loads.
Preferably, described temperature control system is for being controlled at-70 DEG C～70 DEG C by high-low temperature chamber the temperature inside the box.
More specifically, as shown in Figure 1, be the composition frame chart of system of the present invention. Industrial control computerSelect and grind the highly reliable industrial computer of magnificent 610P type, as the control algorithm maincenter of system, pass through PCIBus and data collecting card data interaction, collection code-disc (grating angular displacement sensor), torque sensor,The signal of locking/release microswitch, displacement transducer and strain amplifier, by software computing, realNow show, record test value. Wherein systems soft ware adopts the Labview exploitation of virtual instrument technique, voidIntend quoting of technical device and make system be easy to expansion and safeguard, bring convenience to follow-up testing.Data collecting card is selected the PCI6220 type high-performance data capture card of America NI company. The control of checkout equipmentFunction processed is sent control instruction by the data collecting card I/O of computer to controlling driver element, and control is drivenMoving cell, according to two groups of motor drivers of control instruction control, is realized the motion of two groups of driving mechanisms, fortuneThe indexs such as moving speed are consistent with the actual docking operation of docking mechanism. Simultaneously according to the locking of docking lock self/Release microswitch signal, realizes the self-braking closed loop control function that puts in place, has higher security.Wherein control driver element and mainly realize the interpretation of data acquisition card signal, control the drive motors function of motion,Control the power center of driver element as system simultaneously, give each sensor and subsystem power supply. Motor drivesMoving device is mainly made up of motor, decelerator, one-way driving mechanism etc. What wherein motor was selected is direct currentBrush motor, have control fairly simple, be easy to realize, low cost and other advantages, decelerator is mainly realNow lower rotating speed and amplify output torque functions. Because two docking locks are to after pulling into, remain on lockingWhen the position, to the opposing torque of driving mechanism very large (70NM), irretention square etc. after direct current generator power-offFeature, has increased one-way driving mechanism in drive unit, realized drive unit and put in place and stop rear maintenance meritEnergy.
As shown in Figure 2, be the mechanical test platform of system, mainly by high-low temperature chamber, transmission gear for electric motor,Simulation latch hook docking facilities, grating angular displacement sensor, torque sensor, Product Assembly interface, installationThe compositions such as platform. System has taken into full account the uniformity with docking mechanism practical working situation, two groups of dockingLock is consistent to pull-up structure and docking mechanism product. Pull-up structure support is carried out in design dynamically imitativeVery, make structural strength fully meet the requirement that does not affect accurate test. Wherein high-low temperature chamber mainly by casing,The composition such as compressor, temperature control system, temperature control system is by thermistor Real-time Collection the temperature inside the box, simultaneouslyCompare with the temperature that user sets, according to comparative result judgement refrigeration or heat, realize the temperature inside the boxAccurately control. Grating angular displacement sensor is connected with drive unit power transmission shaft with torque sensor, and realization is turned roundSquare, rotating speed, corner detect online.
As shown in Figure 3, test platform comprises installing plate 1, foil gauge 2, reflector 3, displacement transducer4, tower structure 5, by moveable lock hook 6 and latch hook 7 initiatively. Further, Fig. 3 is right up and downConnect the installation site of latch hook to the structure of drawing and displacement transducer, upper and lower two docking locks are arranged on respectivelyOn installing plate, by alignment pin and attachment screw on two installing plates, realize fast to pull-up structure of two locksSpeed is installed and is fastening. Because two docking latch hooks are to being pulled through in journey, be not straight on vertical positionLine motion, and latch hook working face is the curved surface that has certain radian, so in latch hook tensile test, adoptStrain detecting method realizes the accurate detection of latch hook pulling force. First according to the springform of docking lock latch hook materialThe parameters such as amount, the strain size of estimation latch hook under different pulling force, then according to estimated value to latch hook strain feelingsCondition is fixed at the enterprising rower of puller system, draws the strain curve of latch hook under different tensile loads, due to strainVery little, so entering after overstrain is amplified, foil gauge delivers to again data collecting card. When actual test, surveyTry software according to strain amplifier output valve and calibration curve are before compared, thereby draw latch hookPulling force. What displacement transducer was selected is the optical displacement sensor of Japanese Omron, and this sensor is surveyedAccuracy of measurement can reach 0.01mm, and when test, sensor penetrates infrared light, reflects according to reflectorLight carry out computing, draw the precise displacement of latch hook and butterfly spring.
As shown in Figure 4, be the workflow diagram of system. When detection, first open the work of system all departmentsParameters is set in unit in system man-machine interface, as operating temperature, initial displacement, moment of torsion transfiniteThe parameters such as value, by locking, start button, control motor and drive combination, complete docking lock locking function,Each related sensor real-time testing related parameter values, is completed the functions such as demonstration, analysis, record by software.Docking lock moves to after locked position, and motor-driven mechanism can automatic stop motion, and in hold mode,User by selecting unlocking function, motor driver completes release action, and system shows automatically, recordAll parameters in release course of action.
As shown in Figure 5, be the software interface of system. Systems soft ware designs based on virtual instrument technique,Support Windows 2000/XP/NT 4.0 Service Pack 6 or more highest version. Also detect softwareThere is subscriber management function, in the time of configuration software, need to provide associated password, ensured the peace of software systemsFull property and reliability.
As shown in Figure 6, be the photo of checkout equipment, system adopts switch board+test platform in designPrinciple, brings convenience to work such as equipment installation, debugging, tests. The anti-ripple cover of all cable outer wrap,Rack, cabinet are accomplished shielding and heat radiation, improved the Electro Magnetic Compatibility of system, have ensured system worksReliability and stability.
Above specific embodiments of the invention are described. It will be appreciated that, the present invention is office notBe limited to above-mentioned specific implementations, those skilled in the art can make various within the scope of the claimsDistortion or amendment, this does not affect flesh and blood of the present invention.
Claims (4)
1. a Space Docking Mechanism docking lock locking property checkout equipment, is characterized in that, comprises machineryTest platform and connect TT&C system and the temperature control system of described mechanical test platform, wherein:
Described TT&C system is for Electric Machine Control, signal processing, data acquisition to described mechanical test platformCollection and analysis, man-machine interaction;
Described temperature control system is used for the temperature control of the high-low temperature chamber to described mechanical test platform with aobviousShow;
Described mechanical test platform comprises industrial control computer, data collecting card, collection code-disc, moment of torsionSensor, locking/release microswitch, displacement transducer and strain amplifier, wherein, described industryControl computer by pci bus and data collecting card data interaction and for demonstration, record test value,Wherein, described data collecting card gathers code-disc, torque sensor, locking/release microswitch, displacement biographyThe signal of sensor and strain amplifier; Described mechanical test platform comprises upper and lower two docking locks and installsPlate, wherein, upper and lower two docking locks are arranged on respectively on installing plate, by alignment pin on two installing platesRealize the Fast Installation of two locks to pull-up structure and fastening with attachment screw;
In latch hook tensile test, first according to the elastic modelling quantity parameter of docking lock latch hook material, estimation lockBe hooked in the strain size under different pulling force, then according to estimated value, latch hook strained situation carried out on puller systemDemarcate, draw the strain curve of latch hook under different tensile loads, because strain is very little, so strainSheet is delivered to data collecting card after overstrain is amplified again; Testing software is according to by strain amplifier output valveCompare with calibration curve before, thereby draw the pulling force of latch hook.
2. Space Docking Mechanism docking lock locking property checkout equipment according to claim 1, its spyLevy and be, described temperature control system is by thermistor Real-time Collection high-low temperature chamber the temperature inside the box, simultaneously with useThe temperature that family is set is compared, and according to comparative result, judgement is freezed or heats.
3. Space Docking Mechanism docking lock locking property checkout equipment according to claim 1, its spyLevy and be, described TT&C system comprises system man-machine interface, and wherein, described system man-machine interface is used for establishingDetermine parameters, by locking, start button, control motor and drive combination, complete the locking of docking lock.
4. according to the Space Docking Mechanism docking lock locking property described in any one in claims 1 to 3Checkout equipment, is characterized in that, described temperature control system is for being controlled at high-low temperature chamber the temperature inside the box
-70℃～70℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110016160.1A CN106342110B (en) | 2011-12-28 | 2011-12-28 | Space Docking Mechanism docking lock locking property checkout equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110016160.1A CN106342110B (en) | 2011-12-28 | 2011-12-28 | Space Docking Mechanism docking lock locking property checkout equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106342110B true CN106342110B (en) | 2013-03-13 |
Family
ID=58358012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110016160.1A Active CN106342110B (en) | 2011-12-28 | 2011-12-28 | Space Docking Mechanism docking lock locking property checkout equipment |
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| Country | Link |
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| CN (1) | CN106342110B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568587A (en) * | 2016-11-02 | 2017-04-19 | 上海航天设备制造总厂 | Different-direction synchronous load test device and use method thereof |
| CN113654697A (en) * | 2021-08-04 | 2021-11-16 | 上海航天设备制造总厂有限公司 | Special torque measurement system for butt lock drive combination and in-situ calibration method |
| CN114413936A (en) * | 2021-11-09 | 2022-04-29 | 上海宇航系统工程研究所 | Rotary multi-angle unlocking in-place signal trigger device |
-
2011
- 2011-12-28 CN CN201110016160.1A patent/CN106342110B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568587A (en) * | 2016-11-02 | 2017-04-19 | 上海航天设备制造总厂 | Different-direction synchronous load test device and use method thereof |
| CN113654697A (en) * | 2021-08-04 | 2021-11-16 | 上海航天设备制造总厂有限公司 | Special torque measurement system for butt lock drive combination and in-situ calibration method |
| CN114413936A (en) * | 2021-11-09 | 2022-04-29 | 上海宇航系统工程研究所 | Rotary multi-angle unlocking in-place signal trigger device |
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| GR03 | Grant of secret patent right | ||
| GRSP | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DCSP | Declassification of secret patent |