CN203259437U - High-speed rotating skiving testing machine - Google Patents

High-speed rotating skiving testing machine Download PDF

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Publication number
CN203259437U
CN203259437U CN 201320277611 CN201320277611U CN203259437U CN 203259437 U CN203259437 U CN 203259437U CN 201320277611 CN201320277611 CN 201320277611 CN 201320277611 U CN201320277611 U CN 201320277611U CN 203259437 U CN203259437 U CN 203259437U
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China
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testing machine
sample
wheel disc
rotation speed
high rotation
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Expired - Fee Related
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CN 201320277611
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Chinese (zh)
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宣海军
张娜
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a high-speed rotating skiving testing machine. The testing machine comprises a power driving system, a rotor power system, a micro feeding system and an automatic control system, wherein the power driving system comprises a driving motor and a transmission device, the rotor power system comprises a spindle and a wheel disc, at least one simulated blade is installed at the edge part of the wheel disc, the micro feeding system comprises a sample fixing part and a driving mechanism for driving the sample fixing part to move in the radial direction relative to the wheel disc, a heating device or a cooling device is arranged on the sample fixing part, and the wheel disc and the micro feeding system are positioned in a sealed testing chamber. The high-speed rotating skiving testing machine can be used for simulating the sealed material skiving conditions of gas compression machines such as a turbofan engine fan, a high-speed axial flow fan and a high-speed centrifugal compressor with a large bypass ratio under real working conditions, and can ensure extremely high consistency of loss results of the actual situations and the testing situations.

Description

A kind of High Rotation Speed scraping testing machine
Technical field
The utility model relates to a kind of High Rotation Speed scraping testing machine, relates in particular to the obturage scraping testing machine of the high low temperature High Rotation Speed of material of a kind of gas compressor machinery.
Background technology
The material of obturaging, especially the tip clearance of High Rotation Speed fan blade can be effectively controlled in the rubber application of material in fan blade tip hermetically-sealed construction of obturaging, the seal clearance between stator blade and the rotating shaft can be effectively controlled in application in the cold junction rotor structures such as fan and pneumatic plant, reduce the gas circuit loss of Pneumatic component, improve mechanical efficiency, it is large Bypass Ratio Turbofan Engine, high speed centrifugation compressor etc. that its typical case uses.The rubber material of obturaging is worked in the rugged surroundings that high velocity air washes away, and requires to have very high combination property, comprises low temperature and thermal structure intensity, stability scraping etc.The obturage typical performance of material of rubber is scraping, be that rubber is obturaged and with high-speed rotating component mutually scraping occured and do the time spent, the desirable rubber material of obturaging can preferentially be scratched, and bear whole scraping losses, damage does not occur or only produces tolerable damage in rotatable parts (blade or comb tooth).The rubber material of obturaging also can be applicable in the high speed centrifugation compressor, by centrifugal impeller blade tip in the start process first and the scraping of obturaging material, can form in theory the zero stand-off gas circuit sealing under the working condition, thereby the efficient of calming the anger of centrifugal compressor can be improved 2~5%.This scraping process hereat mean, by the scraping of the material of obturaging being formed the zero stand-off sealing, and in the scraping process, must avoid the blade tip damage, the residue of scraping can not form harm to rotor part.
At present large Bypass Ratio Turbofan Engine fan tip speed is near 500m/s, and the tip speed of high speed centrifugation compressor also surpasses 350m/s, and the temperature range of the actuating medium of this kind equipment is between-60~200 ℃.Therefore, scraping phenomenon between the rubber seal structure sound pair materials can be summarized as metal material under the extreme operating conditions such as high linear velocity, gap scraping, low temperature environment or hot environment and the friction problem between the nonmetallic materials, but scientific circles not yet form the theory of system to its genesis mechanism at present, but the research of its scraping performance is still mainly relied on experimental technique.
Obviously there are the low deficiency of engineering level comparison in multiple early stage test method and the correlation test equipment such as traditional turning method, impact-scraping method, pendulum impact scarification, pin-on-disc friction wear, also have very large distance with the high speed scraping of actual condition.The bench test method is near the examination of actual condition, although can simulate actual condition, experimentation cost is expensive, the cycle is longer.But the scraping testing machine is the most approaching with actual condition because testing cost is lower, but and most widely used in the rubber material scraping performance evaluation field of obturaging.External such as Britain RR company, U.S. GEAE company, U.S. P﹠amp; But but the engine production commercial city such as W company, German MTU company has been developed the scraping testing machine and has been carried out the obturage research of material scraping performance of fan or pneumatic plant rubber.Domestic Metal Inst., Chinese Academy of Sciences is to disclose a kind of high-speed high-temperature multifunctional frictional abrasion tester among CN201569618U and the CN102116722A at publication number, but its size and power are less, and test function is incomplete, and the abrasion speed of permission is lower.
There are some researches show that when the scraping linear velocity surpassed 100m/s, the material drag scraper was comprehended the very large transformation of generation.The scraping testing machine of domestic prior art and test method can not meet the obturage scraping characteristic of the high linear velocity under high temperature and low temperature environment of rubber in the actual device and compound substance well.Therefore, the consistance between the result that the scraping that produces in the actual parts and test obtain is very poor.For obtaining the scraping characteristic consistent with actual condition, must develop the rotation scraping testing machine that possesses low temperature and the high linear velocity of hot environment.
The utility model content
The utility model provides a kind of High Rotation Speed scraping testing machine, it simulates large Bypass Ratio Turbofan Engine fan, high speed shaft flow fan, from the obturage material scraping condition of the gas compression machineries such as fast centrifugal compressor under real working condition, consistance is fabulous as a result to make the loss of test situation and real working condition, has overcome the traditional experiment method such as turning method and the actual condition gap is large and the bench test cost is high defective.
A kind of High Rotation Speed scraping testing machine comprises power-driven system, rotor dynamic system, little feed system and automatic control system;
Described power-driven system comprises drive motor and the gearing that is driven by drive motor;
Described rotor dynamic system comprises the main shaft that drives by described gearing, and with the wheel disc that is connected with described main shaft, the edge of wheel disc is equipped with at least one simulation blade;
Described little feed system comprises sample mount and drives the driving mechanism that the relative wheel disc of sample mount moves radially, and is provided with on the sample mount be used to the firing equipment that heats sample to be tested or for the cooling device that cools off sample to be tested;
Described wheel disc and described little feed system are positioned at the test cavity that vacuumizes sealing;
The operation of the described power-driven system of described automatic controlling system, described rotor dynamic system and described little feed system.
Described testing machine adopts simulation blade and the material sample of obturaging as subjects, the simulation blades installation is in the wheel disc edge, wheel disc is connected on the high-speed rotary main shaft of rotor dynamic system, rotor dynamic system reaches needed rotating speed of target by drive motor by gearing, thereby so that simulation blade tip linear velocity reaches desired value; The material sample of obturaging is installed on the sample mount, has the sample mount of sample to finish the radial feed motion by little feed system drive installation, and this little feed motion is realized by driving mechanism; Wheel disc, simulation blade and little feed system are in the test cavity of sealing, by this test cavity is vacuumized processing, can reduce the air resistance in wheel disc and the simulation blade High Rotation Speed process; This scraping testing machine can satisfy truly obturage in the turbomachineries such as large Bypass Ratio Turbofan Engine fan and high speed centrifugation the compressor hypervelocity of material and seal structure and the testing requirements of high worst cold case, the gap scraping situation that material and blade are obturaged in real reflection, but the scraping performance of obturaging material estimated.
The counterbalance weight of reaching dynamic balance with described simulation blade also is installed on the edge of described wheel disc.
When a simulation blade only was installed on the described wheel disc, a counterbalance weight had been installed in symmetrical edge with simulating blade on wheel disc.When on the described wheel disc a plurality of simulation blade being installed, the position by regulating a plurality of simulation blades or counterbalance weight is installed accordingly makes it reach dynamic balance at wheel disc.
Described gearing is belt transmission, comprise the large belt wheel of the active that is connected with drive motor and the driven small pulley that is installed in the spindle nose of described rotor dynamic system, connect by belt between the large belt wheel of described active and the driven small pulley, to carry out the speedup transmission.
The intermediate support place of described main shaft is equipped with damper, it is used for the energy of dissipation spindle vibration, make wheel disc in boosting velocity procedure, can cross the critical rotary speed district with less spindle vibration, and can absorb in the scraping process spindle vibration that amount of unbalance that the wearing and tearing of simulation blade tip produce causes.
Described firing equipment is electric boiling plate.Adopt the electric boiling plate heating sample, so that the material sample of obturaging reaches the required hot test temperature of scraping test.
When needs carry out pyroprocessing to the material of obturaging, can firing equipment be installed at described drag scraper, heating-up temperature is room temperature to 300 ℃.When needs carry out sub zero treatment to the material of obturaging, can cooling device be installed at described drag scraper, chilling temperature be subzero 120 ℃ to room temperature.
Described firing equipment is installed in the position of fixing sample to be tested on the described sample mount, after in sample mount sample to be tested being installed, can make like this firing equipment be close to the back side of sample to be tested, the heating of convenient sample to be tested.
Described cooling device is the coldplate with the heat eliminating medium path, and it is installed in the position of fixing sample to be tested on the described sample mount, after in sample mount sample to be tested being installed, can make cooling device be close to the back side of described sample to be tested.Environment isolation in the heat eliminating medium path of described cooling device and the test cavity, the heat eliminating medium after so can guaranteeing to gasify can not impact the environment in the test cavity; Be connected with liquid nitrogen in the described heat eliminating medium path, adopt cooled with liquid nitrogen mode cooling samples, so that the material sample of obturaging reaches the required low-temperature test temperature of scraping test.
The thermopair of the temperature that detects sample to be tested is installed, by heating-up temperature or the chilling temperature of thermocouple measurement to sample on the described sample mount.
The test cavity of described sealing is to create a vacuum environment for convenient to experimental enviroment.As preferably, the test cavity of described sealing connects the pumped vacuum systems that promising this test cavity provides vacuum environment, and described pumped vacuum systems can be vacuum pump.Described pumped vacuum systems is to control by described automatic control system.For making in the scraping process of the test, the blade tip linear velocity of simulation blade is up to 500m/s, can utilize a pumped vacuum systems that test cavity is vacuumized processing, so that test cavity keeps the inner vacuum environment in process of the test, be conducive to eliminate the windage that described simulation blade High Rotation Speed causes.
Described automatic control system mainly comprises industrial control computer, Programmable Logic Controller and process of the test monitoring software, is used for automatically performing of Control experiment process, and monitors and preserve important test figure.
Driving mechanism in described little feed system comprises the ball-screw guide rail platform that is installed on sample mount below and the servomotor that is connected planetary reducer and is connected with ball-screw in the ball-screw guide rail platform.The driven by servomotor ball-screw moves, and carries out moving radially of relative wheel disc by planetary reducer drive sample mount.Utilize this little feed system, can make the material sample feed rate of obturaging is that 5~2000 μ m/s, feeding depth are 10mm, and feed accuracy is 5 μ m.
The top of the driving mechanism in described little feed system, the top that is specially ball-screw guide rail platform also is equipped with the piezoelectric type dynamometer, can be used for radially accurately measuring with tangential scraping power.
One deck insulation material layer is set between described electric boiling plate and sample mount, perhaps between described coldplate and test fixture, one deck insulation material layer is set, be used for preventing heating or cooling procedure, a large amount of heat transmission exert an influence to the piezoelectric type dynamometer.
Described simulation blade and counterbalance weight are to be installed on the wheel disc by pin or screw.Adopt screw or pin that simulation blade and counterbalance weight are installed and fixed, simplified structure or the tongue-and-groove mounting structure of turbomachinery blisk, be very easy to processing and the dismounting of simulation blade and counterbalance weight, greatly reduced experimentation cost.
The beneficial effects of the utility model are:
(1) the utility model High Rotation Speed scraping testing machine can the Reality simulation working condition under High Rotation Speed scraping under the high and low temperature environment between the sound parts, but can be used for testing the obturage research of the high temperature of material or the High Rotation Speed scraping characteristic under the worst cold case of scraping performance, the especially rubber of material of obturaging of large Bypass Ratio Turbofan Engine fan and high speed centrifugation compressor gas circuit.
(2) the utility model arranges the simulation blade-material scraping form of obturaging, and joins secondary scraping characteristic so that obturage material and simulation blade have that being equal to obturages in the actual turbomachinery.
(3) the utility model is provided with the test cavity of sealing, this test cavity can adopt the vacuum test environment, so that wheel disc and simulation blade can be tested under the blade tip linear velocity state up to 500m/s, this linear velocity can be simulated the high linear speed requirement in most of turbomachineries.
(4) the utility model High Rotation Speed scraping testing machine can be so that the material sample step-less adjustment in the scope of feed rate 5-2000 μ m/s of obturaging, feeding depth 10mm, feed accuracy 5 μ m, adopt servomotor+high speed than planetary reducer, when guaranteeing that feed rate satisfies the scraping characteristic of simulating under the various operating modes of turbomachinery, the stability of feed rate and the reliability of test have also been guaranteed.
(5) the utility model High Rotation Speed scraping testing machine scraping test of material sample under the state of 300 ℃ of high temperature of not only can obturaging, and the scraping test of material sample under the subzero 120 ℃ of states of low temperature of can obturaging, satisfied the testing requirements of most of turbomachineries.
(6) but the utility model also can be applicable to comprise the obturage scraping performance test of material of other gas circuits such as polymer matrix composites, bakelite compound substance, spraying composite material.
Description of drawings
The side structure synoptic diagram of the High Rotation Speed scraping testing machine that Fig. 1 provides for the utility model embodiment;
The Facad structure synoptic diagram of the High Rotation Speed scraping testing machine that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the firing equipment structural representation among the utility model embodiment;
Fig. 4 is the cooling device structural representation among the utility model embodiment;
Fig. 5 is the simulation blade installation structure synoptic diagram among the utility model embodiment;
Fig. 6 simulates the blade-material sample scraping synoptic diagram of obturaging among the utility model embodiment.
Among the figure: 1, wheel disc, 2, counterbalance weight, 3, the simulation blade, 4, the rubbery sample of obturaging, 5, heating-cooling device, 6, thermopair, 7, sample mount, 8, the piezoelectric type dynamometer, 9, ball-screw guide rail platform, 10, planetary reducer, 11, servomotor, 12, vacuum pump, 13, pin, 14, drive motor, 15, large belt wheel initiatively, 16, belt, 17, driven small pulley, 18, high-speed ball bearing, 19, main shaft, 20, damper, 21, heating plate, 22, insulation material layer, 23, coldplate, 24, the test cavity of sealing.
Embodiment
Below in conjunction with specific embodiment the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, 2, a kind of High Rotation Speed scraping testing machine comprises power-driven system, rotor dynamic system, little feed system, pumped vacuum systems and automatic control system;
Power-driven system comprises drive motor 14 and the gearing that is driven by drive motor 14; Gearing is belt transmission, comprise the large belt wheel 15 of the active that is installed in drive motor 14 output shaft ends and the driven small pulley 17 that is installed in main shaft 19 ends of rotor dynamic system, connect by belt 16 between initiatively large belt wheel 15 and the driven small pulley 17, to carry out the speedup transmission.
Rotor dynamic system comprises the main shaft 19 that drives by gearing; With the wheel disc 1 that is connected with main shaft 19, the two ends of main shaft 19 connect respectively driven small pulley 17 and wheel disc 1.As shown in Figure 1, main shaft 19 is horizontally disposed with, and the intermediate support place of main shaft 19 is equipped with damper 20, and main shaft 19 is fixed on the bracing frame (not indicating on the figure) of supports main shaft 19 by high-speed ball bearing 18.Wheel disc 1 and little feed system are positioned at the test cavity 24 of a sealing.
As shown in Figure 2, the edge of wheel disc 1 is equipped with a simulation blade 3, and 180 ° of relative with simulation blade 3 on the edge of wheel disc 1 positions are equipped with counterbalance weight 2; Counterbalance weight 2 quality are identical in quality with simulation blade 3, the centrifugal action during with balance simulation blade 3 High Rotation Speed; The quantity of simulation blade 3 and counterbalance weight 2 can have a plurality of, is not limited to shown in Figure 2.As shown in Figure 5, simulation blade 3 and counterbalance weight 2 are installed in the edge of wheel disc 1 by pin 13, and mounting means is simple and reliable.Damper 20 can be used for the energy of dissipation main shaft 19 vibrations, make wheel disc 1 can cross the critical rotary speed district with less spindle vibration in boosting velocity procedure, and can absorb the spindle vibration that amount of unbalance that the blade tip wearing and tearing of simulation blade in the scraping process produce causes.
The relative main shaft 19 of little feed system is arranged vertically, it comprises sample mount 7 and drives the driving mechanism that sample mount 7 relative wheel discs 1 move radially, be provided with on the sample mount 7 be used to the firing equipment that heats sample to be tested or for the cooling device that cools off sample to be tested, be referred to as heating-cooling device 5.Among Fig. 2, in the front of heating-cooling device 5 sample to be tested is installed, is in the present embodiment the rubbery sample 4 of obturaging.As shown in Figure 3, Fig. 3 is exactly the synoptic diagram that firing equipment has been installed at drag scraper, firing equipment is electric boiling plate 21, it is fixed on the sample mount 7 and is used for the position of fixedly obturaging rubbery sample 4, it is the bare terminal end of sample mount 7, the rubbery sample 4 of fixedly obturaging in the front of electric boiling plate 21 like this, the blade tip of rubbery sample 4 over against simulation blade 3 of obturaging.
Perhaps, as shown in Figure 4, Fig. 4 is the synoptic diagram that cooling device has been installed on the drag scraper.Cooling device is the coldplate 23 with heat eliminating medium C path, to be fixed on to be used for the position of fixedly obturaging rubbery sample 4 on the sample mount 7 with the coldplate 23 of heat eliminating medium C path, namely with the same position of electric boiling plate 21, make it be close to the back side of obturaging rubbery sample 4.
Between electric boiling plate 21 and the test fixture 7 or also be provided with one deck insulation material layer 22 between coldplate 23 and the sample mount 7, intercept to heat or the heat transmission of cooling procedure.Heat eliminating medium C can be liquid nitrogen.Vacuum environment isolation in heat eliminating medium C path and the test cavity, in the time of so can making test cavity need vacuumizing, the heat eliminating medium C after the gasification can not impact the vacuum tightness in the test cavity.
Driving mechanism comprises ball-screw guide rail platform 9, planetary reducer 10 and servomotor 11; Ball-screw guide rail platform 9 is installed on sample mount 7 belows, and it comprises ball-screw and guide rail.Ball-screw is connected with the output shaft of servomotor 11 by planetary reducer 10, servomotor 11 output shaft rotations, and by planetary reducer 10 drive ball-screws rotations, so that sample mount 7 relative wheel discs 1 move radially.The top of the driving mechanism in little feed system, namely the top of ball-screw guide rail platform 9 also is equipped with piezoelectric type dynamometer 8, and namely piezoelectric type dynamometer 8 is located at and is used for accurately measuring scraping power between sample mount 7 and the ball-screw guide rail platform 9.
Thermopair 6, heating-cooling device 5, piezoelectric type dynamometer 8, drive motor 14 and servomotor 11, pumped vacuum systems (using vacuum pump 12 in the present embodiment) etc. are connected to automatic control system, control the operation of power-driven system, rotor dynamic system, little feed system and pumped vacuum systems by this automatic control system.
Utilize above-mentioned High Rotation Speed scraping testing machine to test the test method of the material scraping performance of obturaging, may further comprise the steps:
(1) at wheel disc 1 simulation blade 3 is installed, is checked the scraping testing machine;
(2) rubbery sample 4 of will obturaging is installed on the sample mount 7, adjusts and obturages rubbery sample 4 to correct position, and determine the zero point of the radial feed action of little feed system;
(3) when needs carry out high-temperature operation to the rubbery sample 4 of obturaging, install and the unlatching firing equipment, make the temperature of the rubbery sample 4 of obturaging reach the target temperature T of setting, and keep; When needs carry out low-temperature operation to the rubbery sample 4 of obturaging, install and the unlatching cooling device, utilize nitrogen that the rubbery sample 4 of obturaging is cooled off, make the temperature of the rubbery sample 4 of obturaging reach the target temperature T ' of setting, and keep;
(4) utilize the operation control software in the automatic control system to open vacuum pump 12, the test cavity 24 of sealing is vacuumized and keeps the vacuum environment of the test cavity 24 of sealing;
(5) utilize the operation control software in the automatic control system to open drive motor 14, so that wheel disc 1 and simulation blade 3 raising speeds are to rotating speed of target R and maintenance;
(6) utilize the operation control software in the automatic control system to open little feed system, so that the feed rate V of rubbery sample 4 to set that obturage, feeding depth and feed accuracy carry out the radial feed motion;
(7) as shown in Figure 6, simulation blade 3 contacts with the rubbery sample 4 of obturaging, simulation blade 3 begins the rubbery sample 4 of obturaging is carried out periodic scraping, record tangential and the pulsation scraping power of both direction radially by dynamometer, scrape depth constantly increases, when scrape depth C reaches setting value, the scraping off-test, little feed system oppositely withdraws from, wheel disc 1 and simulation blade 3 reductions of speed are to zero, piezoelectric type dynamometer 8 records simulation blade and the scraping power of obturaging rubbery sample 4 in the process of the test, and by automatic control system collection, record;
(8) test cavity is abolished vacuum, and dismounting simulation blade 3 and the rubbery sample 4 of obturaging are collected the scraping chip, and simulation blade 3 and the rubbery sample 4 of obturaging are carried out weighing measurement, obtain obturaging the scraping amount of rubbery sample 4 and the wearing and tearing quality of simulation blade, and record data.
Wherein, target temperature T and T ' determine according to the serviceability temperature under rubbery sample 4 actual conditions of obturaging.The target temperature T of heating is room temperature to 300 ℃, the target temperature T ' of cooling be subzero 120 ℃ to room temperature.
Rotating speed of target R determines to simulate first the blade tip linear velocity of blade 3 according to the actual condition of the rubbery sample 4 of obturaging, the blade tip linear velocity can up to 500m/s, according to the diameter of wheel disc 1-simulation blade 3, convert wheel disc 1 rotating speed that needs to, i.e. rotating speed of target R again.
Scrape depth C is determined by the actual scraping situation of the rubbery sample 4 of obturaging, and is determined total scrape depth of single test by the actual scraping situation of the rubbery sample 4 of obturaging; The feeding depth maximum can be 10mm.
Feed rate V, the scrape depth that the single simulation blade 3-that is tested by needs obturages rubbery sample 4, the quantity of according to the rotating speed of wheel disc 1-main shaft 19 and wheel disc 1 simulation blade 3 being installed again calculates the scraping number of times of unit interval, and the scraping number of times that the single scrape depth multiply by the unit interval is converted into the radial feed speed of the rubbery sample 4 of obturaging; Feed rate V value is 5~2000 μ m/s, feed accuracy 5 μ m.
After the off-test, according to the scraping amount of the scraping power that obtains, the rubbery sample 4 of obturaging and the wearing and tearing quality of simulation blade 3, and the graininess of the scraping chip of collecting, the scraping state on rubbery sample 4 surfaces obturaged is studied the characteristic that simulation blade and the rubbery sample of obturaging bump the mill scraping mutually, investigates the scraping mechanism under the different tests condition.

Claims (9)

1. a High Rotation Speed scraping testing machine is characterized in that: comprise power-driven system, rotor dynamic system, little feed system and automatic control system;
Described power-driven system comprises drive motor and the gearing that is driven by drive motor;
Described rotor dynamic system comprises the main shaft that drives by described gearing; With the wheel disc that is connected with described main shaft, the edge of wheel disc is equipped with at least one simulation blade;
Described little feed system comprises sample mount and drives the driving mechanism that the relatively described wheel disc of this sample mount moves radially, and is provided with on the sample mount be used to the firing equipment that heats sample to be tested or for the cooling device that cools off sample to be tested;
Described wheel disc and described little feed system are positioned at the test cavity that vacuumizes sealing;
The operation of the described power-driven system of described automatic controlling system, described rotor dynamic system and described little feed system.
2. High Rotation Speed scraping testing machine according to claim 1 is characterized in that: the counterbalance weight of reaching dynamic balance with described simulation blade also is installed on the edge of described wheel disc.
3. High Rotation Speed scraping testing machine according to claim 1, it is characterized in that: described gearing is belt transmission, comprise the large belt wheel of the active that is connected with drive motor and the driven small pulley that is installed in the spindle nose of described rotor dynamic system, connect by belt between the large belt wheel of described active and the driven small pulley.
4. High Rotation Speed scraping testing machine according to claim 1, it is characterized in that: the intermediate support place of described main shaft is equipped with damper.
5. High Rotation Speed scraping testing machine according to claim 1, it is characterized in that: described firing equipment is electric boiling plate, and it is installed in the position of fixing sample to be tested on the described sample mount.
6. High Rotation Speed scraping testing machine according to claim 1 is characterized in that: described cooling device is the coldplate with the heat eliminating medium path, and it is installed in the position of fixing sample to be tested on the described sample mount.
7. High Rotation Speed scraping testing machine according to claim 1 is characterized in that: the driving mechanism in described little feed system comprises the ball-screw guide rail platform that is installed on the sample mount below and the servomotor that is connected planetary reducer and is connected with ball-screw in the described ball-screw guide rail platform.
8. High Rotation Speed scraping testing machine according to claim 1, it is characterized in that: the top of the driving mechanism in described little feed system also is equipped with the piezoelectric type dynamometer.
9. High Rotation Speed scraping testing machine according to claim 1 is characterized in that: the test cavity of described sealing connects the pumped vacuum systems that promising this test cavity provides vacuum environment.
CN 201320277611 2013-05-20 2013-05-20 High-speed rotating skiving testing machine Expired - Fee Related CN203259437U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103293078A (en) * 2013-05-20 2013-09-11 浙江大学 High-speed rotary skiving test machine and test method for testing skiving performance of sealing material
CN108036950A (en) * 2017-11-23 2018-05-15 中国航发北京航空材料研究院 A kind of aero-engine titanium fire simulation test device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103293078A (en) * 2013-05-20 2013-09-11 浙江大学 High-speed rotary skiving test machine and test method for testing skiving performance of sealing material
CN108036950A (en) * 2017-11-23 2018-05-15 中国航发北京航空材料研究院 A kind of aero-engine titanium fire simulation test device and method

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