CN104655417A - Device for testing high and low temperature performance of certain indexing mechanism of space station - Google Patents
Device for testing high and low temperature performance of certain indexing mechanism of space station Download PDFInfo
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- CN104655417A CN104655417A CN201510089816.0A CN201510089816A CN104655417A CN 104655417 A CN104655417 A CN 104655417A CN 201510089816 A CN201510089816 A CN 201510089816A CN 104655417 A CN104655417 A CN 104655417A
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Abstract
The invention discloses a device for testing high and low temperature performance of a certain indexing mechanism of a space station and belongs to the field of devices for testing indexing mechanisms of space stations. The device comprises a high and low temperature box, a middle support and flywheel device and a lower-end control device, wherein the middle support and flywheel device comprises an indexing mechanism body, a support body, a shafting and a flywheel; the upper end of the indexing mechanism body is placed in the high and low temperature box, the lower end of the indexing mechanism body is connected with the flywheel through the shafting, bolt holes and different ports are formed in the support body, and the indexing mechanism body is fixed on the support body through the ports; the lower-end control device comprises an air flotation platform, electric cylinders, a sliding trolley, a linear guide rail and electrical controllers, the air flotation platform is located below a top support part of the flywheel, the electric cylinders are located below the flywheel, the sliding trolley and the linear guide rail are mounted below the electric cylinders, the electric controllers are located below the whole device. The device solves the problem of lack of simulation equipment for indexing mechanisms to be lunched into the space at present.
Description
Technical field
The present invention relates to a kind of space station indexing mechanism high temperature performance proving installation, belong to physics facility field.
Background technology
From the international space station be still on active service till now in salvo space station of the Soviet Union space, indexing mechanism, docking mechanism, affect the Years Of Service of space station with the performance of the large corporation such as development mechanism and mission life.Therefore in order to obtain indexing mechanism performance parameter, analyzing indexing mechanism possibility Problems existing to improve and optimizate accordingly, improving the mission life of indexing mechanism, before indexing mechanism is emitted to space, need to carry out ground simulating.But China did not launch international space station at present, when building international space, because the U.S. thinks that space station technology can be applied to military use, therefore refusing China and adding.So China is still short of at present in indexing mechanism performance testing device very much.
Indexing mechanism transposition process high temperature performance proving installation is the necessary testing apparatus of indexing mechanism development stage, be mainly used in the general assembly of indexing mechanism unit complete after transposition arm transposition Process Duty simulation, the data such as test transposition detent torque, rotating speed, corner and start-up time, to examine indexing mechanism joint performance.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of ground simulation space station indexing mechanism high temperature performance proving installation, can test the combination property of space station indexing mechanism transposition process in high and low temperature environment, the technical scheme of employing is:
A kind of space station indexing mechanism high temperature performance proving installation, is characterized in that, comprise high-low temperature chamber 1, midfoot support and flywheel gear, lower end control device;
Described midfoot support and flywheel gear comprise indexing mechanism 2, supporter 3, axle system 4, flywheel 5, wherein: indexing mechanism 2 upper end is placed in high-low temperature chamber 1, lower end is connected with flywheel 5 by axle system 4, supporter 3 is provided with bolt hole and distinct interface, and indexing mechanism 2 is fixed on supporter 3 by interface;
Described lower end control device comprises air floating platform 6, electric cylinder 7, sliding machine 8, line slideway 9, electrical control 10, wherein: air floating platform 6 is positioned at the below at flywheel 5 top braces position, electric cylinder 7 is positioned at below flywheel 5, and sliding machine 8, line slideway 9 are arranged on the below of electric cylinder 7; Described electrical control 10 is positioned at the below of package unit.
Described high-low temperature chamber 1, framework adopts Thin Stainless Steel wallboard and strengthens fin, and is designed with shackle structure in upper end, facilitates the installation and removal of indexing mechanism; Described high-low temperature chamber 1 seals, and controls high and low temperature environment in the temperature simulation space of high-low temperature chamber.
Described axle system 4 is provided with speed-increasing gear, size and the motor demand of inertia mechanical analogue parts can be reduced; Described axle system 4 is common axis systems of inertia electric simulation and inertia mechanical analogue, transmits mechanical inertia to indexing mechanism 2.Described axle system 4 is provided with sensor and signal picker, collection signal, is aggregated into electric device, process and analytic signal, obtains the performance parameter of indexing mechanism.
Described flywheel 5 one-piece construction is combined type, and bottom is provided with the different balancing weight of quality, simulates different mechanical inertia, the electric cylinder 7 pairs of balancing weight property entered installation and removal.
Described flywheel 5 supports the motor that inside is provided with electric inertia simulation.
Described flywheel 5 entirety is placed on air floating platform 6, air floating platform 6 air supporting support flying wheel 5, simulation space weightlessness.Described electrical control 10 controls whole device work, collection, processing signals.
Described electrical control 10 is provided with switch board, is connected, controls and collection signal with the sensor of axle system 4 installation and signal picker, and with single measurement equipment interactive product information.
The ratio of the length of described space station indexing mechanism high temperature performance proving installation is: long: wide: height=9420:5055:8364.
The ratio of the diameter of described flywheel 5 and the length and width of supporter 3 is: flywheel diameter: supporter is long: supporter is wide=and 6550:5600:5600.
Be arranged on supporter 3 by the indexing mechanism 2 of simulation when needing to carry out, entirety is placed in high-low temperature chamber, and high-low temperature chamber 1 seals, by controlling the temperature of high-low temperature chamber 1, the change of temperature in simulation space.High-low temperature chamber 1 is placed on supporter 3 equally.
Described axle system 4 carries out the transmission of the inertia of moment of torsion, fastens simultaneously and is provided with speed-increasing gear, can reduce size and the motor demand of inertia mechanical analogue parts at axle.
Described supporter 3 is bases of package unit, supporting role is served as in package unit, supporter 3 leaves bolt hole and other corresponding interface, indexing mechanism is facilitated to carry out installing/dismounting and adjustment, be arranged on supporter 3 by the indexing mechanism 2 of simulation when needing to carry out, entirety is placed in high-low temperature chamber 1, and high-low temperature chamber 1 seals, by controlling the temperature of high-low temperature chamber 1, the change of temperature in simulation space.
Described flywheel 5 entirety is placed on air floating platform 6, when carrying out inertia simulation, by air floating platform 6, flywheel 5 is carried out air supporting support, reduces lower end friction force, to reach the weightlessness in simulation space.
The one-piece construction of described flywheel 5 makes combined type, to facilitate the simulation carrying out different inertia, and the physics inertia of the Laboratory Module of different size in abundant simulation space; Flywheel 5 bottom is furnished with the different balancing weight of quality, when simulating different inertia, need not more changing device, and only need increase and decrease the quantity of flywheel lower end balancing weight.Flywheel counter weight block is removed and installed by electric cylinder 7, carry out analog when needs change flywheel inertia, only need to rise through electric cylinder 7, be reduced to proper height and unclamp or screw corresponding bolt, and need not go to install by manpower, greatly facilitate installation and removal, considerably reduce drain on manpower and material resources.
In the lower part of package unit, line slideway 9 and slide block are installed, the position of package unit can be adjusted.
Described electrical equipment device of air 10 serves as control role at whole device, is responsible for the Digital Signal Analysis and Processing of package unit.
The present invention adopts and is fixed on supporter by turn device, is placed in high-low temperature chamber, carrys out the temperature environment in simulation space by changing different temperature in high-low temperature chamber; Flywheel inertia analogue means is placed on air-floating apparatus, the weightlessness in simulation space.And flywheel structure makes combined type, different mechanical inertia can be simulated, when changing inertia, only need the flywheel changing different size.Flywheel mechanical inertia is passed on the indexing mechanism of space station by axle system.And sensor and the signal picker of some are installed in whole device, the collection of signal can be carried out, and signal are aggregated into electric device the most at last, carry out process and the analysis of signal, to obtain the performance parameter of indexing mechanism.
Principle of work of the present invention is: the inertial loads in flywheel inertia analogue means simulation transposition process, the startup of test transposition arm under flywheel inertia load, stop performance.Flywheel lower part is air floating platform, supports flywheel during work by air floating platform, to reduce friction, the weightlessness in simulation space; Simultaneously inner at flywheel, the motor of specific standard is installed, completes electric inertia simulation; Electric inertia simulation and mechanical inertia simulate the electromagnetic clutch being fastened installation by axle; Overall inertia is passed on the indexing mechanism of upper part by axle system, and indexing mechanism is placed on supporter, and is together placed in high-low temperature chamber with supporter, the high and low temperature environment in simulation space; Switch board is used for equipment and controls and signals collecting, and to carry out product information mutual with single measurement equipment.
Beneficial effect of the present invention:
(1) in overall plan: for making indexing mechanism test process simple, convenient, reduce cost.Package unit can carry out different simulations for the indexing mechanism of different model, and hypomere part-structure does not need to change, and only needs to change upper end interface.
(2) inertia simulation device is placed on flywheel, weightlessness in simulation space; Indexing mechanism is placed in high-low temperature chamber, by controlling the internal temperature of high-low temperature chamber, temperature variation in simulation space.Simulation indexing mechanism working environment in space that this device can be really true to life.
(3) mechanical analogue of different inertia can be carried out, lower end flywheel adopts fabricated structure, for different inertia, only need the balancing weight number installing or unload varying number, timely flywheel inertia instantly still cannot meet the demands, only need the flywheel processing specific inertia two, and do not need package unit again to make.
(4) lower end is designed with line slideway, can adjust the position of package unit, meet need of work.
Accompanying drawing explanation
Fig. 1 is the front view of one-piece construction wiring layout of the present invention;
(1, high-low temperature chamber; 2, indexing mechanism; 3, supporter; 4, axle system; 5, flywheel; 6, air floating platform; 7, electric cylinder; 8, slide block; 9, line slideway; 10, electrical control).
Fig. 2 is the partial enlarged drawing of front view of the present invention;
(2, indexing mechanism; 3, supporter; 4, axle system).
Fig. 3 is the partial enlarged drawing of front view of the present invention;
(5, flywheel; 6, air floating platform; 7, electric cylinder; 8, slide block; 9, line slideway; 10, electrical control).
Fig. 4 is the side view of one-piece construction wiring layout of the present invention.
Fig. 5 is the vertical view of one-piece construction wiring layout of the present invention.
Embodiment
1-5 illustrates present embodiment by reference to the accompanying drawings, and the space station indexing mechanism high temperature performance proving installation of present embodiment comprises high-low temperature chamber 1, indexing mechanism 2, supporter 3, axle system 4, flywheel 5, air floating platform 6, electric cylinder 7, sliding machine 8, line slideway 9, electrical control 10.High-low temperature chamber 1 framework mainly adopts Thin Stainless Steel wallboard to form with reinforcement fin, and is designed with shackle structure in upper end, facilitates the installation and removal of indexing mechanism.High-low temperature chamber 1 is placed on supporter 3.In whole device, supporter 3 is bases of package unit, and supporter 3 serves as supporting role at package unit, and there are bolt hole and other corresponding interface in upper end, facilitates indexing mechanism to carry out installing/dismounting and adjustment.To the indexing mechanism 2 carrying out simulating be needed to be arranged on supporter 3 by the corresponding interface on supporter 3, entirety be placed in high-low temperature chamber, and high-low temperature chamber seals, by controlling the temperature of high-low temperature chamber, high and low temperature environment in simulation space.Indexing mechanism 2 is connected by axle system 4 with lower end flywheel part, and shaft components 4 carries out the transmission of the inertia of moment of torsion.Fasten at axle and speed-increasing gear is installed, size and the motor demand of inertia mechanical analogue parts can be reduced.Flywheel 5 entirety is placed on air floating platform, when carrying out inertia simulation, by air floating platform, flywheel 5 is carried out air supporting support, reduces lower end friction force, to reach the weightlessness in simulation space.The one-piece construction of flywheel 5 makes combined type, to facilitate the simulation carrying out different inertia, and the physics inertia of the Laboratory Module of different size in abundant simulation space.When simulating different inertia, need not more changing device, only need increase and decrease the quantity of flywheel lower end balancing weight.Flywheel counter weight block is removed and installed by electric cylinder 7, and when needs change flywheel inertia carries out analog, a needs rises through electric cylinder, be reduced to proper height unclamps or screws corresponding bolt.In the bottom of total, line slideway 9 is installed, slightly can adjusts the position of package unit.Electric device 10 controls the work of whole device, and is responsible for the Acquire and process of signal.
Axle system 4 is inertia electric simulation and inertia mechanical analogue common axis system, and wherein the motor of electric inertia simulation is placed in flywheel and supports inside; Axle system 4 is provided with speed-increasing gear, size and the motor demand of inertia mechanical analogue parts can be reduced; Axle system 4 is common axis systems of inertia electric simulation and inertia mechanical analogue, transmits mechanical inertia to indexing mechanism 2.
Axle system 4 is provided with sensor and signal picker, and collection signal is aggregated into electric device, process and analytic signal, obtains the performance parameter of indexing mechanism.
Electrical control 10 is provided with switch board, is connected, controls and collection signal with the sensor of axle system 4 installation and signal picker, and with single measurement equipment interactive product information.
The ratio of the length of space station indexing mechanism high temperature performance proving installation is: long: wide: height=9420:5055:8364.
The ratio of the diameter of flywheel (5) and the length and width of supporter (3) is: flywheel diameter: supporter is long: supporter is wide=and 6550:5600:5600.
The one-piece construction of described flywheel 5 makes combined type, to facilitate the simulation carrying out different inertia, and the physics inertia of the Laboratory Module of different size in abundant simulation space; Flywheel 5 bottom is furnished with the different balancing weight of quality, when simulating different inertia, need not more changing device, and only need increase and decrease the quantity of flywheel lower end balancing weight.Flywheel counter weight block is removed and installed by electric cylinder 7, carry out analog when needs change flywheel inertia, only need to rise through electric cylinder 7, be reduced to proper height and unclamp or screw corresponding bolt, and need not go to install by manpower, greatly facilitate installation and removal, considerably reduce drain on manpower and material resources.
Principle of work: the inertial loads in flywheel inertia analogue means simulation transposition process, the startup of test transposition arm under flywheel inertia load, stop performance.Flywheel lower part is air floating platform, supports flywheel during work by air floating platform, to reduce friction, the weightlessness in simulation space.Simultaneously inner at flywheel, the motor of specific standard is installed, completes electric inertia simulation.Electric inertia simulation and mechanical inertia simulate the electromagnetic clutch being fastened installation by axle.Overall inertia is passed on the indexing mechanism of upper part by axle system, and indexing mechanism is placed on supporter, and is together placed in high-low temperature chamber with supporter, the high and low temperature environment in simulation space; Switch board is used for equipment and controls and signals collecting, and to carry out product information mutual with single measurement equipment.
Turn device being fixed on supporter, being placed in high-low temperature chamber, carrying out the temperature environment in simulation space by changing different temperature in high-low temperature chamber; Flywheel inertia analogue means is placed on air-floating apparatus, the weightlessness in simulation space.And flywheel structure makes combined type, different mechanical inertia can be simulated, when changing inertia, only need the flywheel changing different size.Flywheel mechanical inertia is passed on the indexing mechanism of space station by axle system.And sensor and the signal picker of some are installed in whole device, the collection of signal can be carried out, and signal are aggregated into electric device the most at last, carry out process and the analysis of signal, to obtain the performance parameter of indexing mechanism.
Although the present invention with preferred embodiment openly as above; but it is also not used to limit the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention; all can do various changes and modification, what therefore protection scope of the present invention should define with claims is as the criterion.
Claims (10)
1. a space station indexing mechanism high temperature performance proving installation, is characterized in that, comprises high-low temperature chamber (1), midfoot support and flywheel gear, lower end control device;
Described midfoot support and flywheel gear comprise indexing mechanism (2), supporter (3), axle system (4), flywheel (5), wherein: indexing mechanism (2) upper end is placed in high-low temperature chamber (1), lower end is connected with flywheel (5) by axle system (4), supporter (3) is provided with bolt hole and distinct interface, and indexing mechanism (2) is fixed on supporter (3) by interface;
Described lower end control device comprises air floating platform (6), electric cylinder (7), sliding machine (8), line slideway (9), electrical control (10), wherein: air floating platform (6) is positioned at the below at flywheel (5) top braces position, electric cylinder (7) is positioned at flywheel (5) below, and sliding machine (8), line slideway (9) are arranged on the below of electric cylinder (7); Described electrical control (10) is positioned at the below of package unit.
2. space station according to claim 1 indexing mechanism high temperature performance proving installation, is characterized in that, described high-low temperature chamber (1), and framework adopts Thin Stainless Steel wallboard and strengthens fin, and is provided with shackle structure in upper end; Described high-low temperature chamber (1) seals, and controls high and low temperature environment in the temperature simulation space of high-low temperature chamber.
3. space station according to claim 1 indexing mechanism high temperature performance proving installation, is characterized in that, described axle system (4) is equipped with speed-increasing gear; Described axle system (4) is the common axis system of inertia electric simulation and inertia mechanical analogue, transmits mechanical inertia to indexing mechanism (2).
4. space station according to claim 1 indexing mechanism high temperature performance proving installation, is characterized in that, described axle system (4) is provided with sensor and signal picker, collection signal, be aggregated into electric device, process and analytic signal, obtain the performance parameter of indexing mechanism.
5. space station according to claim 1 indexing mechanism high temperature performance proving installation, it is characterized in that, described flywheel (5) one-piece construction is combined type, bottom is provided with the different balancing weight of quality, simulate different mechanical inertia, electric cylinder (7) mounts and dismounts the balancing weight property entered.
6. space station according to claim 1 indexing mechanism high temperature performance proving installation, is characterized in that, described flywheel (5) supports the inner motor being provided with electric inertia simulation.
7. space station according to claim 1 indexing mechanism high temperature performance proving installation, it is characterized in that, described flywheel (5) entirety is placed on air floating platform (6), air floating platform (6) air supporting support flying wheel (5), simulation space weightlessness.
8. space station according to claim 1 indexing mechanism high temperature performance proving installation, it is characterized in that, described electrical control (10) is provided with switch board, the sensor installed with axle system (4) and signal picker are connected, control and collection signal, and with single measurement equipment interactive product information.
9. space station according to claim 1 indexing mechanism high temperature performance proving installation, it is characterized in that, the ratio of length is: long: wide: height=9420:5055:8364.
10. space station according to claim 1 indexing mechanism high temperature performance proving installation, it is characterized in that, the ratio of the diameter of described flywheel (5) and the length and width of supporter (3) is: flywheel diameter: supporter is long: supporter is wide=and 6550:5600:5600.
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Cited By (4)
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| CN106404248A (en) * | 2016-10-11 | 2017-02-15 | Tcl瑞智（惠州）制冷设备有限公司 | Motor starting torque testing device |
| CN110159666A (en) * | 2019-05-23 | 2019-08-23 | 哈尔滨工业大学 | A kind of axis switching tooling of space station indexing mechanism test equipment |
| CN111551362A (en) * | 2020-05-15 | 2020-08-18 | 河北工业大学 | Planetary gear mechanism vibration response test device for simulating weightless environment |
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| CN110159666A (en) * | 2019-05-23 | 2019-08-23 | 哈尔滨工业大学 | A kind of axis switching tooling of space station indexing mechanism test equipment |
| CN110159666B (en) * | 2019-05-23 | 2020-07-24 | 哈尔滨工业大学 | Axial line switching tool of testing equipment of certain indexing mechanism of space station |
| CN111551362A (en) * | 2020-05-15 | 2020-08-18 | 河北工业大学 | Planetary gear mechanism vibration response test device for simulating weightless environment |
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| CN104655417B (en) | 2017-05-24 |
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