CN109188010A - testing machine - Google Patents
testing machine Download PDFInfo
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- CN109188010A CN109188010A CN201811238669.9A CN201811238669A CN109188010A CN 109188010 A CN109188010 A CN 109188010A CN 201811238669 A CN201811238669 A CN 201811238669A CN 109188010 A CN109188010 A CN 109188010A
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- 238000012360 testing method Methods 0.000 title claims abstract description 131
- 238000013016 damping Methods 0.000 claims description 119
- 230000007246 mechanism Effects 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 45
- 125000006850 spacer group Chemical group 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 39
- 230000033228 biological regulation Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 21
- 229920001971 elastomer Polymers 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 212
- 238000000429 assembly Methods 0.000 description 14
- 230000000712 assembly Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 241000239290 Araneae Species 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a testing machine, which is used for carrying out overspeed testing on an impeller, and comprises: the speed regulating device comprises a core bar, and the core bar is connected with the impeller so as to drive the impeller to move; the damper is connected with the core rod to reduce the vibration of the core rod; the testing cavity is used for providing a vacuum environment for the impeller, so that the impeller rotates in the vacuum environment of the testing cavity, and resistance is reduced. The testing machine solves the problem that the ultra-high speed rotating impeller is inconvenient to test in the prior art.
Description
Technical field
The present invention relates to velocity test fields, in particular to a kind of testing machine.
Background technique
Currently, existing conventional impellers Super Speed Tester is that motor direct-drive or belt transmission, revolving speed generally can only mostly
Be wheel of calming the anger in 10000r/min-25000r/min, but now in rotating machinery, expansion wheel, turbine, wheel disc, leaf dish, from
Heart rotary head etc., the working speed of most of rotor already exceed 40000r/min. to the leaf of some higher nominal working speeds
For wheel, since hypervelocity experiment is restricted, cause impeller generator postpartum that can not carry out experimental verification to ensure its safe handling.
Summary of the invention
The main purpose of the present invention is to provide a kind of testing machines, in the prior art inconvenient to ultrahigh speed turn to solve
The problem of movable vane wheel is tested.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of testing machine, is used to carry out impeller
Hypervelocity test, testing machine includes: speed regulation device, and speed regulation device includes core bar, and core bar is connect with impeller, to drive the fortune of impeller
It is dynamic；Damper, damper are connect with core bar, to reduce core vibration of bar；Test cavity, impeller are located in test cavity, and test cavity is used
In providing vacuum environment to impeller, so that impeller rotates in the vacuum environment of test cavity, to reduce resistance.
Further, testing machine further includes hoisting mechanism, and hoisting mechanism is connect with the cover board on test cavity, to drive cover board
It is connected or separated with the cavity of test cavity.
Further, hoisting mechanism includes: guide assembly；Lift arm, lift arm are liftably arranged on guide assembly；
Driving device, driving device are connect with lift arm, to drive lift arm to rise or fall；Wherein, lift arm is connect with cover board, is driven
Dynamic device driving lift arm rises or falls along guide assembly, to drive cover board mobile.
Further, testing machine further include: support base, guide assembly are arranged on support base；Fuel tank, fuel tank setting are mentioning
Side of the arm far from test cavity is risen, with the fuel feeding into damper.
Further, speed regulation device includes installation shell and transmission mechanism, and installation shell has for installing transmission mechanism
Installation cavity, transmission mechanism includes gear assembly, and installation cavity includes: the first oil pocket；Second oil pocket, gear assembly are arranged second
In oil pocket；Wherein, the first oil pocket is connected to the second oil pocket, and the side wall of the second oil pocket is equipped with the second oil inlet, so that oil liquid is logical
Cross the second oil inlet into the second oil pocket to gear assembly oil jet lubrication, to be additionally provided with oil outlet on installation cavity, in installation cavity
Oil liquid reach predeterminated position after, oil outlet oil extraction is so that the second oil pocket inner fluid will not be totally submerged gear assembly, to reduce
The resistance that gear assembly is subject in rotation.
Further, gear assembly includes: driving gear, and driving gear is for the output axis connection with motor, so that electric
Machine drives driving gear rotation；Driven gear, driving gear are engaged with driven gear, to drive driven gear to rotate；Wherein, main
Moving gear and driven gear are respectively positioned in the second oil pocket, and driven gear is connect with impeller-driven, and the datum diameter of driving gear is big
In the datum diameter of driven gear, motor is connect by gear assembly with impeller-driven, to realize that the speedup to impeller drives.
Further, transmission mechanism further include: power input wheel, motor are connect with power input wheel, to drive power defeated
Enter wheel rotation；Power input shaft, power input shaft include first connecting portion and second connecting portion, and power input wheel is connect with first
Portion's connection, driving gear are connect with second connecting portion, and motor drives power input shaft to rotate by power input wheel, dynamic to drive
Power input shaft drives driving gear rotation.
Further, first connecting portion is tapered shaft, and power input wheel is equipped with the bellmouth matched with tapered shaft, cone
Shape axis is inserted into the bellmouth of power input wheel, and diameter of the tapered shaft close to second connecting portion one end is greater than tapered shaft far from second
The diameter of interconnecting piece one end.
Further, first connecting portion is equipped with locating piece, locating piece and power input shaft far from one end of second connecting portion
Connection, power input wheel is located on power input shaft.
Further, damper includes: shell, and core bar is threaded through in shell；Spacer is damped, damping is every being set on shell
It is interior, to reduce core vibration of bar；Damping device, damping device are arranged in shell, and connect with damping spacer；Detection device, detection
Device is arranged on shell, and by the vibration of detection damping device to detect core vibration of bar.
Further, shell is equipped with oil inlet interface and oil out port, and damping spacer is equipped with the first oil circuit, so that oil liquid
It is flowed into shell by oil inlet interface, and is discharged after flowing through the first oil circuit from oil out port.
Further, damping spacer includes: core bar hole, and core bar hole is for wearing core bar；Multiple first through hole, multiple first
Through-hole is arranged around core bar hole, so that oil liquid is flowed to the other end of first through hole by one end of first through hole.
Further, damper further include: the first oscillator, the first oscillator are arranged in shell, and the first oscillator is for being arranged
On the outside of core bar.
Further, the first oscillator is equipped with the second oil circuit, so that oil liquid is flowed into shell by oil inlet interface, and through second
The first oil circuit is flowed into after oil circuit.
Further, damper further include: the second oscillator, the second oscillator is set in the outside of the first oscillator, to core bar
Carry out vibration damping.
Further, the second oscillator is equipped with third oil circuit, so that oil liquid is entered in shell by oil inlet interface, and via the
Three oil circuits flow in the second oil circuit.
Further, damping device is equipped with the 4th oil circuit with the second oil circuit and third oil communication, by oil liquid by the
Three oil circuits import in the second oil circuit.
Further, damper further include: the first vibration damping portion, the setting of the first vibration damping portion the first oscillator and the second oscillator it
Between, to reduce vibration caused by core bar.
Further, shell be equipped with oil inlet interface, the first vibration damping portion be vibration damping oil film so that oil liquid by oil inlet interface into
Enter in shell with to the first vibration damping portion fuel feeding.
Further, damper further include: the second vibration damping portion, the second vibration damping portion are arranged between the second oscillator and shell,
To reduce vibration caused by core bar.
Further, the second vibration damping portion is rubber assembly.
Further, detection device includes vibrating sensor, and vibrating sensor is connect to detect damping device with damping device
Vibration.
Further, shell includes chassis, damper further include: fixation kit, fixation kit is arranged on chassis, with right
Vibrating sensor is fixed.
Further, damper further include: bearing assembly, bearing assembly are set on core bar, and fixation kit passes through bearing
Component is connect with core bar.
Further, test cavity includes retaining mechanism, and retaining mechanism is used to the cover board of test cavity being locked at test cavity
On cavity.
Further, retaining mechanism includes: multiple locking members, and multiple locking members are spaced apart and arranged in the cavity of test cavity
On, locking member has evacuation position and locked position, and locking member is movably disposed between evacuation position and locked position；It drives
Dynamic device, driving device are arranged on cavity, to drive multiple locking members mobile simultaneously；Wherein, multiple locking members are around cover board
Setting, when locking member is moved to locked position, cover board is locked on cavity by locking member, so as to be formed between cover board and cavity
The space of sealing, when locking member is moved to evacuation position, cover board can be moved relative to cavity.
Further, driving device includes: driving cylinder；Runner assembly, driving cylinder are connect with runner assembly, rotating group
Part is all connected with each locking member；Wherein, the rotation of driving cylinder driving runner assembly is to drive each locking member to rotate.
Further, runner assembly includes: driving plate, and driving cylinder is connect with driving plate；Multiple pull rods, multiple pull rods with
Multiple locking members are arranged correspondingly, and multiple pull rods are connect with driving plate respectively, corresponding to drive under the drive of driving plate
Locking member rotation.
The testing machine to apply the technical scheme of the present invention is mainly used for carrying out overspeed test to impeller, to detect turning for impeller
Speed, the testing machine mainly include speed regulation device, damper and test cavity, and speed regulation device is used to provide rotational power to impeller, and
The velocity of rotation of impeller is adjusted, damper is wrapped in the side of core bar, to reduce core vibration of bar, the hypervelocity when core bar rotates
During the test, impeller is placed in test cavity for experimental machine, is vacuum environment in the test cavity, and impeller is arranged in test cavity
Interior rotation enables impeller ultrahigh speed to rotate, can be by the testing machine of above-mentioned setting to avoid air bring resistance
Superfast impeller carries out velocity measurement, solves the problems, such as that ultrahigh speed wheel rotation can not be test in the prior art.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the overall schematic of the embodiment of testing machine according to the present invention；
Fig. 2 shows the schematic diagrames of speed regulation device embodiment of the present invention；
Fig. 3 shows the cross-sectional view of speed regulation device embodiment in Fig. 2 of the present invention；
Fig. 4 shows the overall structure diagram of damping device embodiment according to the present invention；
Fig. 5 shows the top view of damping device embodiment of the invention；
Fig. 6 shows in Fig. 5 cross-sectional view at damping device embodiment A-A；
Fig. 7 shows a visual angle schematic diagram of damping spacer embodiment according to the present invention；
Fig. 8 shows cross-sectional view at the B-B for damping spacer embodiment in Fig. 7 of the present invention；
Fig. 9 shows the schematic diagram of the first oscillator embodiment according to the present invention；
Figure 10 shows the cross-sectional view of the first oscillator embodiment of the invention；
Figure 11 shows the schematic diagram of the second oscillator embodiment according to the present invention；
Figure 12 shows the cross-sectional view of the second oscillator embodiment of the invention；
Figure 13 shows the schematic diagram of damping device embodiment according to the present invention；
Figure 14 shows the cross-sectional view of damping device embodiment of the invention；
Figure 15 shows the overall schematic with detection device damper embodiment of the invention；
Figure 16 shows the schematic diagram of fixation kit embodiment of the invention；
Figure 17 shows the schematic diagrames of the first locating piece embodiment of the invention；
Figure 18 shows the schematic diagram of hoisting mechanism embodiment of the invention；
Figure 19 shows structural schematic diagram when locking member in vacuum plant embodiment of the invention is located at evacuation position；
Figure 20 shows the partial enlarged view of vacuum plant embodiment in Figure 19；
Figure 21 shows a visual angle schematic diagram of retaining mechanism embodiment of the invention；
Figure 22 shows another visual angle schematic diagram of retaining mechanism embodiment of the invention；
Figure 23 shows the schematic diagram of bearing assembly embodiment of the invention；
Figure 24 shows structural representation when locking member in vacuum plant embodiment according to the present invention is located at locked position
Figure.
Wherein, the above drawings include the following reference numerals:
1, speed regulation device；10, shell is installed；11, the first oil pocket；12, the second oil pocket；13, the second oil inlet；14, fuel-displaced
Mouthful；15, damper chassis；16, cover board；17, the first oil inlet；20, damper；30, driving gear；40, driven gear；150,
Power input wheel；160, power input shaft；161, first connecting portion；162, second connecting portion；70, locating piece；80, core bar；90,
Vibrating sensor；110, sensor stand；
2, test cavity；21, spacer is damped；211, the first oil circuit；212, core bar hole；213, first through hole；22, the first vibration
Son；221, the second oil circuit；222, the first sealing ring；223, the second sealing ring；224, the first mounting groove；225, the second mounting groove；
226, the second through-hole；23, the second oscillator；231, third oil circuit；232, third through-hole；233, lead to hydraulic fluid port；234, the first erecting bed
Rank；235, the second installation step；24, shell；241, oil inlet interface；243, chassis；25, damping device；251, the 4th oil circuit；26,
First vibration damping portion；27, the second vibration damping portion；272, the first rubber coil assembly；273, the second rubber coil assembly；41, vibrating sensor；
42, the first locating piece；421, location hole；43, locking member；431, the first latch；432, the second latch；433, locking screw
Nail；44, the second locating piece；45, bearing assembly；100, core bar；
50, cover board；51, locking member；52, mounting plate；53, limit assembly；54, locating shaft；55, cylinder is driven；56, it rotates
Component；561, driving plate；562, pull rod；57, bearing assembly；571, bearing spider；572, bearing；58, cavity；60, fuel tank；
61, lift arm；62, driving motor；63, lead screw is driven；64, guide wheel assemblies；65, support base；66, rolling bearing；67, it connects
Plate；68, guide assembly.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present invention provides a kind of testing machines, for carrying out hypervelocity test to impeller, referring to FIG. 1, testing machine includes: to adjust
Speed variator 1, speed regulation device 1 include core bar 100, and core bar 100 is connect with impeller, to drive the movement of impeller；Damper 20, damping
Device 20 is connect with core bar 100, to reduce the vibration of core bar 100；Test cavity 2, impeller are located in test cavity 2, and test cavity 2 is for giving
Impeller provides vacuum environment, so that impeller rotates in the vacuum environment of test cavity 2, to reduce resistance.
Testing machine in the present invention is mainly used for carrying out overspeed test, to detect the revolving speed of impeller, the testing machine to impeller
It mainly include speed regulation device 1, damper 20 and test cavity 2, speed regulation device 1 is used to provide rotational power to impeller, and adjusts leaf
The velocity of rotation of wheel, damper 20 are wrapped in the side of core bar 100, to reduce the vibration of core bar 100 when core bar 100 rotates,
During the test, impeller is placed in test cavity 2 for the hypervelocity experimental machine, is vacuum environment, impeller setting in the test cavity
Rotation enables impeller ultrahigh speed to rotate, passes through the test of above-mentioned setting in test cavity to avoid air bring resistance
Machine can carry out velocity measurement for superfast impeller, and solve that ultrahigh speed wheel rotation in the prior art can not test asks
Topic.
Testing machine further includes hoisting mechanism, and hoisting mechanism is connect with the cover board 50 on test cavity 2, to drive cover board 50 and examination
The cavity 58 for testing chamber 2 connects or separates.
As shown in Figure 1, the testing machine in the present embodiment is additionally provided with hoisting mechanism, hoisting mechanism is used for when replacing impeller,
Cover board 50 on lifting test chamber 2, so that the replacement of impeller is more convenient.
Hoisting mechanism includes: guide assembly 68；Lift arm 61, lift arm 61 are liftably arranged on guide assembly 68；
Driving device, driving device are connect with lift arm 61, to drive lift arm 61 to rise or fall；Wherein, lift arm 61 and cover board
50 connections, driving device driving lift arm 61 rise or fall along guide assembly 68, to drive cover board 50 mobile.
As shown in Fig. 1 and Figure 18, the hoisting mechanism in the present embodiment includes guide assembly 68, lift arm 61 and driving dress
It sets, driving device is for driving lift arm 61 to move up and down along guide assembly 68, so that cover board 50 be driven to carry out up and down
It is mobile.
Testing machine further include: support base 65, guide assembly 68 are arranged on support base 65；Fuel tank 60, the setting of fuel tank 60 exist
Side of the lift arm 61 far from test cavity, with the fuel feeding into damper 20.
As shown in Figure 1, the testing machine in the present embodiment is additionally provided with support base 65 and fuel tank 60, fuel tank 60 is arranged in lift arm
61 one end far from cover board 50, support base 65 are arranged in middle position of the lower section close to lift arm 61 of lift arm, fuel tank 60,
Support base 65 and cover board 50 form seesaw structure, prevent 61 deflection of lift arm, while fuel tank 60 into damper 20 for supplying
Lubricating oil or damping oil etc..
As shown in Figures 2 and 3, the speed regulation device in the present embodiment includes installation shell 10 and transmission mechanism, transmission mechanism
Gear assembly be arranged in installation cavity, installation cavity is divided into two chambers, the first oil pocket 11 and the second oil pocket 12, the second oil pocket 12
Set be higher than the first oil pocket 11, gear assembly be arranged in the second oil pocket 12, lubricating oil by second on 12 side wall of the second oil pocket into
Hydraulic fluid port 13 sprays into, and the place for spraying to gear engagement is lubricated, and the first oil pocket 11 is connected to the second oil pocket 12, and oil liquid is through gear
The first oil pocket 11 is flowed into after component, to the device fuel feeding in the first oil pocket 11, the side wall of the second oil pocket 12 of the invention is equipped with
Second oil inlet 13, the second oil inlet 13 are one or more, are additionally provided with oil outlet 14 on installation shell 10 of the invention, fuel-displaced
Mouth 14 and the cooperation of the second oil inlet 13 are to keep being saturated with oil liquid in the first oil pocket 11, and the oil liquid position in the second oil pocket 12 is not soaked
Ning gear assembly, guarantee gear assembly in this way will not stir oil during rotation, avoid generating biggish resistance, while the
The oil liquid that two oil inlets spray can effectively be lubricated gear assembly, solve Super Speed Tester gear assembly in the prior art
It is immersed in oil liquid, when rotation, which stirs oil, leads to the big problem that consumes energy.
In the first optional embodiment of the present invention, by the pipe diameter size of the second oil inlet 13 of setting and oil outlet 14 come
Control the oil liquid in installation cavity.
In optional second of the embodiment of the present invention, level sensor is set in installation cavity, and level sensor is according to need
The height of oil liquid is wanted to be installed, oil liquid is being more than oil outlet opening progress oil extraction, to remain oily in installation cavity after predeterminated position
The liquid level of liquid.
In the third optional embodiment of the present invention, oil outlet 14 is installed in predeterminated position, installation cavity inner fluid is more than
Behind the position of hydraulic fluid port 14, oil liquid is discharged from oil outlet 14.
Second oil inlet 13 be it is multiple, multiple second oil inlets 13 are spaced apart and arranged on the side wall of the second oil pocket 12, with
The oil spout into the second oil pocket 12；Wherein, oil outlet 14 is arranged on the side wall of the first oil pocket 11, for by the oil in installation cavity
Liquid discharge；The top of the first oil pocket 11 is arranged in second oil pocket 12, so that oil liquid enters the second oil pocket 12 by the second oil inlet 13
And the first oil pocket 11 is flowed to through the second oil pocket 12, installation cavity is discharged by oil outlet 14.
As shown in figure 3, multiple second oil inlets 13 are equipped in the present embodiment on the outer wall of the second oil pocket 12, multiple second
Oil inlet 13 can the oil spout on gear assembly simultaneously, to guarantee lubrication and heat dissipation effect, the oil outlet 14 in the present embodiment is arranged
On the first oil pocket 11, the second oil pocket 12 is arranged in the surface of the first oil pocket 11, oil liquid by second on the second oil pocket 12 into
Hydraulic fluid port 13 enters in installation cavity, is discharged by the oil outlet 14 on the first oil pocket 11.
Gear assembly includes: driving gear 30, and driving gear 30 is for the output axis connection with motor, so that motor driven
Driving gear 30 rotates；Driven gear 40, driving gear 30 are engaged with driven gear 40, to drive driven gear 40 to rotate；Its
In, driving gear 30 and driven gear 40 are respectively positioned in the second oil pocket 12, and driven gear 40 with impeller for connecting, driving gear
30 datum diameter is greater than the datum diameter of driven gear 40, so that motor is connect by gear assembly with impeller-driven, with reality
Now the speedup of impeller is driven.
Transmission mechanism further include: power input wheel 150, motor are connect with power input wheel 150, to drive power input wheel
150 rotations；Power input shaft 160, power input shaft 160 include first connecting portion 161 and second connecting portion 162, power input
Wheel 150 is connect with first connecting portion 161, and driving gear 30 is connect with second connecting portion 162, and motor passes through power input wheel 150
Power input shaft 160 is driven to rotate, to drive power input shaft 160 that driving gear 30 is driven to rotate.
As shown in Figures 2 and 3, the transmission mechanism in the present embodiment includes gear assembly and pulley assemblies, pulley assemblies and tooth
Wheel assembly is drivingly connected, and for motor by driving pulley component come drive gear assemblies rotation, gear assembly includes driving gear 30
With driven gear 40, pulley assemblies include power input wheel 150, and power input wheel 150 passes through power input shaft 160 and gear set
Part connection, pulley assemblies drive power input shaft 160 to rotate, and power input shaft 160 drives driving gear 30 to rotate, driving gear
30 datum diameter is greater than the datum diameter of driven gear 40 to realize the purpose for promoting revolving speed, specific datum diameter size
Ratio is configured according to the needs of rotating ratio.
First connecting portion 161 is tapered shaft, and power input wheel 150 is equipped with the bellmouth matched with tapered shaft, taper
Axis is inserted into the bellmouth of power input wheel 150, and it is separate that diameter of the tapered shaft close to 162 one end of second connecting portion is greater than tapered shaft
The diameter of 162 one end of second connecting portion.
First connecting portion 161 is equipped with locating piece 70, locating piece 70 and power input shaft far from one end of second connecting portion 162
160 connections, power input wheel 150 is located on power input shaft 160.
As shown in figure 3,160 1 sections of power input shaft in the present embodiment are tapered shaft, one section is cylindrical shaft, tapered shaft
An end cross-section diameter far from cylindrical shaft is smaller, and power input wheel 150 has the bellmouth to match with tapered shaft, in order to
Power input wheel 150 is set in the outside of power input shaft 160, further includes by locating piece 70 in the present embodiment, locating piece 70 is set
It sets in the lesser one end of taper shaft section, locating piece 70 is that centre sets porose cover board, furthermore the lesser one end of taper shaft section
It is additionally provided with threaded hole, screw is threaded through in the threaded hole of locating piece 70 and tapered shaft thus by locating piece 70 and power input shaft
160 are attached, and locating piece 70, bellmouth and tapered shaft, which are combined, is connected to one for power input wheel 150 and power input shaft 160
It rises, is easy the problem of shaking so as to avoid key connection before, the speed regulation device of the present embodiment is solved by above-mentioned setting
The problem of power input wheel 150 and power input shaft 160 are rotatablely connected, while also solving the axially position of power input wheel 150
Problem.
Speed regulation device further include: core bar 100, gear assembly are connect with impeller by core bar 100, rotated with impeller.
As shown in figure 3, the speed regulation device in the present embodiment is additionally provided with core bar 100, one end of core bar 100 is plugged in driven tooth
The center of wheel 40 is simultaneously rotated together with driven gear 40, and the other end and the impeller of core bar 100 are attached, so that it is real to carry out hypervelocity
It tests.
Speed regulation device further include: damper 20, damper 20 are arranged in the first oil pocket 11, damper 20 and core bar 100
Connection, specifically, damper 20 is arranged around core bar 100, to reduce the vibration of core bar 100.
Device in the present embodiment in the first oil pocket is damper 20, and damper 20 is set around the outer wall of core bar 100
It sets, to reduce the shaking of core bar 100 during rotation.
Preferably, the damper 20 in the present invention is rubber cushion assembly.
Installing shell 10 includes damper chassis 15, and damper 20 is arranged on damper chassis 15, and speed regulation device also wraps
Vibrating sensor 90 is included, vibrating sensor 90 is arranged on damper chassis 15, to detect the Oscillation Amplitude on damper chassis 15
Size.
Installing shell 10 includes cover board 16, and for the setting of power input wheel 150 in 16 outside of cover board, speed regulation device further includes speed
Sensor, installation shell 10 are equipped with sensor stand 110, and velocity sensor is mounted on sensor stand 110 to pass through inspection
The turnning circle of power input wheel 150 is surveyed to measure 150 revolving speed of power input wheel.
As shown in Figures 2 and 3, the safe handling for guaranteeing speed regulation device in the present embodiment, on damper chassis 15
Provided with vibrating sensor 90, the exception of transmission component is monitored with the vibration by detection damper chassis 15, if vibration
Excessive, vibrating sensor can issue alarm, and then control and close motor, stop experiment.In addition, the speed regulation device in the present embodiment
On be additionally provided with velocity sensor, velocity sensor is arranged on sensor stand 110, is equipped with and is used on power input wheel 150
The detected member of velocity sensor detection, power input wheel 150 rotate, and detected member rotates with it, and velocity sensor passes through inspection
Detected member is surveyed to judge the velocity of rotation of power input wheel 150, to measure the input speed of speed regulation device or calculate output speed
Degree.
The side wall of first oil pocket 11 is equipped with the first oil inlet 17, and the first oil inlet 17 is one or more, the first oil inlet
Mouth 17 is for the fuel feeding into the first oil pocket 11.
As shown in figure 3, be again provided with the first oil inlet 17 on the side wall of the first oil pocket 11 in the present embodiment, with to
DFF Direct Fuel Feed in one oil pocket 11.
Such as Fig. 4 to Figure 18, the damper in the present embodiment includes: shell 24, and core bar 100 is threaded through in shell 24；Damping
Spacer 21, damping spacer 21 is arranged in shell 24, to reduce the vibration of core bar 100；Damping device 25, damping device 25 are arranged in shell
In body 24, and it is connect with damping spacer 21；Detection device, detection device are arranged on shell 24, and pass through detection damping device 25
Vibration to detect the vibration of core bar 100.
Damper provided in this embodiment can be applicable on Super Speed Tester and carry out vibration damping, the damper packet to core bar 100
Shell 24, damping spacer 21, damping device 25 and detection device are included, damping spacer 21 is wrapped in the outside of core bar 100, to reduce core
The vibration of bar 100, damping spacer 21 are arranged on damping device 25, and damping device 25 is for installing damping spacer 21 and supporting core rod
100, to prevent core bar 100 from shaking, damper of the invention is additionally provided with detection device, and detection device is arranged on shell 24 with logical
Magnitude of vibrations and the frequency of detection damping device 25 are crossed to monitor the vibrational state of entire damping device or Super Speed Tester system, and
When make warning information, guarantee the safety of damper and Super Speed Tester.
Damper in the present embodiment further include: damping spacer 21, damping spacer 21 is for being set on the outside of core bar, to subtract
Small core vibration of bar；First oscillator 22, the first oscillator 22 are set in the outside of damping spacer 21；Shell 24,22 He of the first oscillator
Damping spacer 21 is arranged in shell 24, to reduce core vibration of bar；Wherein, shell 24 is equipped with oil inlet interface 241 and goes out
Oily interface, damping spacer 21 is equipped with the first oil circuit 211, so that oil liquid is flowed into shell 24 by oil inlet interface 241, and flows through the
It is discharged after one oil circuit 211 from oil out port.
Damper 20 in the present embodiment includes damping spacer 21, the first oscillator 22 and shell 24, and damping spacer 21 is arranged
For cylindrical shape, it is wrapped in the vibration or shaking for mitigating the generation of core bar during rotation on core bar, in damping spacer 21
Outside is additionally provided with the first oscillator 22, and the first oscillator 22 is also outside that is cylindric and being wrapped in damping spacer 21, further to subtract
The vibration of small damping spacer 21, damper 20 of the invention are provided with a shell 24, damp spacer 21 and the first oscillator 22
It is arranged in shell 24, shell 24 is equipped with oil inlet interface 241, and oil liquid selects lubricating oil or damping oil etc., and oil liquid is connect by oil inlet
Mouth 241 is passed through in shell 24, and is flowed into damping spacer 21 by the first oil circuit 211, finally from the oil out port on shell 24
Outflow, damper of the invention greatly reduce the rotation of core bar by the first oil circuit 211 of setting and multiple damping elements, meet
The demand of high-speed tester (HST) rotation test.
Damping spacer 21 includes: core bar hole 212, and core bar hole 212 is for wearing core bar；Multiple first through hole 213, Duo Ge
One through-hole 213 is arranged around core bar hole 212, so that oil liquid flows to the another of first through hole 213 by one end of first through hole 213
End.
As shown in Figure 8 and Figure 9, damping spacer 21 in the present embodiment is provided centrally with core bar hole 212, core bar hole 212
For through-hole, size matches with core bar size, so that core bar is threaded through in core bar hole 212, in addition, on 212 inner wall of core bar hole
Also settable elastic component as needed, such as rubber are additionally provided with a circle first on damping spacer 21 and lead to for improving effectiveness in vibration suppression
Hole 213 is evenly arranged on the periphery in core bar hole 212, so that oil liquid can pass through damping spacer 21 by first through hole 213.
First oscillator 22 is equipped with the second oil circuit 221, so that oil liquid is flowed into shell 24 by oil inlet interface 241, and through the
The first oil circuit 211 is flowed into after two oil circuits 221.
As shown in Figure 10 and Figure 11, the second oil circuit 221 is additionally provided in the present embodiment on the first oscillator 22 so that oil liquid from
The first oil circuit 211 is being flowed by the second oil circuit 221 after in the inflow shell 24 of oil inlet interface 241, is finally being flowed out.
Second oil circuit 221 includes: multiple second through-holes 226, and multiple second through-holes 226 are set around the axle center of the first oscillator 22
It sets, the oil outlet of the second through-hole 226 and the oil inlet end of the first oil circuit 211 are oppositely arranged, so that after oil liquid flows through the second through-hole 226
It is flowed into the first oil circuit 211 by the oil inlet end of the first oil circuit 211.
As shown in Figure 10, multiple second through-holes 226 are equipped on the first oscillator 22, multiple second through-holes 226 form second
Oil circuit 221, the second through-hole 226 are from the hole of the upper surface channel lower end surface of the first oscillator 22.
Damper further include: the second oscillator 23, the second oscillator 23 are set in the outside of the first oscillator 22, to carry out to core bar
Vibration damping.
As shown in figure 11, the damper 20 in the present embodiment further includes the second oscillator 23, and the second oscillator 23 is also cylindrical shape,
Slow down vibration caused by core bar to carry out a step in the outside for being set in the first oscillator 22.
Second oscillator 23 is equipped with third oil circuit 231, so that oil liquid is entered in shell 24 by oil inlet interface 241, and via
Third oil circuit 231 flows in the second oil circuit 221.Third oil circuit 231 includes: multiple third through-holes 232, multiple third through-holes 232
It is arranged around the axle center of the second oscillator 23, the oil outlet of third through-hole 232 and the oil inlet end of the second oil circuit 221 are oppositely arranged, with
It is flowed into the second oil circuit 221 after so that oil liquid is flowed through third through-hole 232 by the oil inlet end of the second oil circuit 221.
As shown in Figure 12 and Figure 13, third oil circuit 231, third oil circuit are provided on the second oscillator 23 in the present embodiment
231 are made of multiple third through-holes 232.
Damper further include: damping device 25, damping device 25 are equipped with and are connected to the second oil circuit 221 and third oil circuit 231
4th oil circuit 251 is imported oil liquid in the second oil circuit 221 by third oil circuit 231.
As shown in FIG. 14 and 15, the damper 20 in the present embodiment further includes damping device 25, and damping device 25 is arranged in shell
Furthermore 24 bottom end, the slot that damper is equipped with multiple annulars are hindering so that the first oscillator 22 and the second oscillator 23 are installed
The 4th oil circuit 251 is additionally provided on Buddhist nun's seat 25, the 4th oil circuit 251 includes multiple through-holes, to be connected to third oil circuit 231 and the second oil circuit
221, so that the first oil circuit, the second oil circuit and third oil circuit communicate.
Oil inlet interface 241 be it is multiple, multiple oil inlet interfaces 241 are spaced apart and arranged on shell 24, simultaneously to shell 24
Interior fuel feeding.
As shown in fig. 6, being provided with multiple oil inlet interfaces 241 in the present embodiment on shell 24, it is spaced apart and arranged in shell
On 24, logical oil is carried out into shell 24 simultaneously so as to meet multiple oil inlet interfaces 241.
Damper in the present embodiment includes: shell 24, for passing through for core bar；First oscillator 22, the first oscillator 22 are set
It sets in shell 24, the first oscillator 22 is for being set on the outside of core bar；Second oscillator 23, the second oscillator 23 are arranged in shell 24
Interior, the second oscillator 23 is used to be set in the outside of the first oscillator 22；First vibration damping portion 26, the setting of the first vibration damping portion 26 is in the first vibration
Between son 22 and the second oscillator 23, to reduce vibration caused by core bar.
Damper 20 in the present embodiment can be applied in hypervelocity experimental machine, should for slowing down vibration caused by core bar
Damper 20 includes shell 24, the first oscillator 22 and the second oscillator 23, and the first oscillator 22 is cylinder-like structure, is set in core bar
Outside, the outside of the first oscillator 22,23 He of the second oscillator is arranged in caused vibration, the second oscillator 23 when reducing core bar rotation
The first vibration damping portion 26 is provided between first oscillator 22, with the vibration for being specifically used to reduce between the first oscillator 22 and the second oscillator 23
Dynamic transmitting, damper 20 of the invention by the first oscillator 22 of setting, the second oscillator 23 and the first vibration damping portion 26 come layer by layer compared with
Low core vibration of bar meets the drop vibration demand of hypervelocity experimental machine.
Shell 24 is equipped with oil inlet interface 241, and the first vibration damping portion 26 is vibration damping oil film, so that oil liquid is by oil inlet interface 241
With to 26 fuel feeding of the first vibration damping portion in into shell 24.
As shown in fig. 6, oil inlet interface 241 is provided in the present embodiment on the shell of damper 24, the first vibration damping portion 26
It is specifically vibration damping oil film, which is the oil film with certain pressure, and specific pressure is adjustable according to the demand of revolving speed.
Second oscillator 23 is equipped with logical hydraulic fluid port 233, so that oil liquid is entered by oil inlet interface 241 in shell 24 and through logical hydraulic fluid port
233 flow between the first oscillator 22 and the second oscillator 23 to form vibration damping oil film.
As shown in fig. 6, be additionally provided with logical hydraulic fluid port 233 on the second oscillator 23 in the present embodiment, oil liquid by shell 24 into
Oily interface 241, which enters to enter between the second oscillator 23 and the first oscillator 22 in shell by logical hydraulic fluid port 233, to be formed with certain
The oil film of pressure reduces the purpose of vibration to play.
Damper further include: seal assembly, seal assembly are arranged between the first oscillator 22 and the second oscillator 23, to be formed
For sealing the sealing space of oil liquid.Seal assembly includes: the first sealing ring 222, and the first sealing ring 222 is arranged in the first oscillator
22 one end；The other end of the first oscillator 22 is arranged in second sealing ring 223, the second sealing ring 223；Wherein, the first sealing ring
222, the first oscillator 22, the second sealing ring 223 and the connection of the second oscillator 23 are to form sealing space.First oscillator 22 is equipped with the
One mounting groove 224 and the second mounting groove 225, the first sealing ring 222 are arranged on the first mounting groove 224, and the second sealing ring 223 is set
It sets on the second mounting groove 225.
Such as Fig. 6 to Fig. 8, in order to make to form oil film between the first oscillator 22 and the second oscillator 23 in the present embodiment,
Seal assembly is additionally provided between one oscillator 22 and the second oscillator 23, seal assembly specifically includes the first sealing ring 222 and second
Sealing ring 223 surrounds between first sealing ring 222, the second sealing ring 223, the first oscillator 22 and the second oscillator 23 for sealing
The space of oil film is respectively provided with two cricoid mounting grooves, the first mounting groove at 22 both ends of the first oscillator to install seal assembly
224 and second mounting groove 225, the first sealing ring 222 be arranged in the first mounting groove 224, the second sealing ring 223 is arranged second
In mounting groove 225.
Damper further include: the second vibration damping portion 27, the second vibration damping portion 27 are arranged between the second oscillator 23 and shell 24, with
Reduce vibration caused by core bar.Second vibration damping portion 27 is rubber assembly.
As shown in fig. 6, the damper 20 in the present embodiment is additionally provided with the second vibration damping portion 27, the second vibration damping portion 27 uses physics
Vibration damping selects flexible material rubber from material.
Second oscillator 23 includes the first mounting portion and the second mounting portion, and rubber assembly includes multiple rubber rings, multiple rubber
Circle includes: the first rubber coil assembly 272, and the first rubber coil assembly 272 is arranged on the first mounting portion；Second rubber coil assembly
273, the second rubber coil assembly 273 is arranged on the second mounting portion；Wherein, the first rubber coil assembly 272 and the second rubber ring group
Part 273 is arranged on the second oscillator 23.Second oscillator 23 be equipped with the first installation step 234 and the second installation step 235, first
Installation step 234 and the second installation step 235 are spaced apart and arranged on 23 outer wall of the second oscillator, and the first mounting portion is arranged first
Between installation step 234 and the second installation step 235, the setting of the second mounting portion is in the second installation step 235 far from the first installation
The side of step 234.
For the ease of installing the second vibration damping portion 27 in the present embodiment, the first mounting portion and the are provided on the second oscillator 23
Two mounting portions, specifically, one end of 23 outer wall of the second oscillator is equipped with cricoid first installation step 234, outside the second oscillator 23
The centre of wall is equipped with cricoid second installation step 235, and the setting of the first rubber coil assembly 272 is in the first installation step 234 and the
On the first mounting portion that two installation steps 235 surround, the setting of the second rubber coil assembly 273 is in the second installation step 235 far from the
On second mounting portion of one installation step, 234 side.
Damper in the present embodiment can be used on Super Speed Tester reducing the vibration of core bar 100, which includes
Shell 24, the damper assembly for reducing vibration and the detection device for detecting hull vibration, shell 24 are arranged in core bar
On 100, damper assembly is arranged in shell 24 and is wrapped in around core bar 100 to reduce core bar 100 when core bar 100 rotates
Vibration, detection device are arranged on shell 24, and the vibration of core bar 100 or whole system is judged with the vibration by detection shell 24
State can and alarm or be cut off the power after the vibration for detecting shell 24 is more than a certain range, to guarantee hypervelocity experiment
Machine equipment safety.
Damper assembly includes damping device 25, and detection device includes vibrating sensor 41, vibrating sensor 41 and damping device 25
It connects to detect the vibration of damping device 25.
As shown in Figure 13 and Figure 14, the damper assembly in the present embodiment includes damping device 25, and damping device 25 is arranged in shell
In 24, damper assembly further includes the oscillator for damping spacer and vibration damping, and damping spacer is wrapped on core bar 100, oscillator package
On the outside of damping spacer, the setting of damping device 25 forms damper assembly together in damping spacer and oscillator bottom, three to reduce core
The detector of the vibration that bar 100 is generated in rotation, vibrating sensor 41 is arranged towards damping device 25, to detect the production of damping device 25
Raw magnitude of vibrations or frequency.
Shell 24 includes chassis 243, damper further include: fixation kit, fixation kit is arranged on chassis 243, with right
Vibrating sensor 41 is fixed.
As shown in figure 15, the shell 24 in the present embodiment further includes chassis 243, is equipped on chassis 243 for fixed vibration
The fixation kit of dynamic sensor 41, vibrating sensor 41 is fixed on chassis 243.
Fixation kit includes the first locating piece 42, and the first locating piece 42 is fixed on chassis 243, sets on the first locating piece 42
There is location hole 421, vibrating sensor 41 is threaded through in location hole 421 and is positioned.
As shown in Figure 15 and Figure 17, fixation kit includes the first locating piece 42, can be equipped on the first locating piece 42 multiple
Location hole 421 can be inserted into multiple vibrating sensors 41 simultaneously, to detect to damping device 25, also set on the first locating piece 42
There are multiple connecting plates, to be fixed on chassis 243.
Fixation kit further include: locking member 43, locking member 43 are arranged on chassis 243, to be used for vibrating sensor 41
It is locked on chassis 243.Locking member 43 includes: the first latch 431 and the second latch 432, and the first latch 431 can be rotated
Ground is connect with the second latch 432, and the first latch 431 has locked position and open position；Wherein, the first latch 431
When turning to locked position, vibrating sensor 41 is locked, when the first latch 431 turns to open position, vibration is taken out and passes
Sensor 41.Locking member 43 further includes lock-screw 433, and when the first latch 431 turns to locked position, lock-screw 433 will
First latch 431 is fixed on the second latch 432, to position to vibrating sensor 41.
As shown in Figure 15 and Figure 18, the fixation kit in the present embodiment further includes locking member 43, and locking member 43 will be for that will shake
Dynamic sensor 41 is locked simultaneously fixed, and to prevent from vibrating, locking member 43 includes the first latch 431 and the second latch 432, and first
Latch 431 and 432 one end of the second latch are hinged, and the other end is detachably connected by lock-screw 433, shake when installing
After dynamic sensor 41, the first latch 431 is turned into locked position, is locked the first latch 431 by lock-screw 433
On the second latch 432, when needing to dismantle vibrating sensor 41, lock-screw 433 is opened, by 431 turns of the first latch
It moves to open position, takes out vibrating sensor 41.
Fixation kit further includes the second locating piece 44, and the second locating piece 44 is fixed on chassis 243 for fixed locking
Part 43.
As shown in figure 16, the fixation kit in the present embodiment is additionally provided with the second locating piece 44, and the second locating piece 44 is fixed on
On chassis 243, the second latch 432 is connect with the second locating piece 44, and is fixed on chassis 243 by the second locating piece 44.
Damper further include: bearing assembly 45, bearing assembly 45 are set on core bar 100, and fixation kit passes through bearing group
Part 45 is connect with core bar 100.
As shown in figure 15, the damper in the present embodiment further includes bearing assembly 45, and the setting of bearing assembly 45 is fixed first
Between 100 outside of 42 inside of position part and core bar, with supporting core rod 100, prevent core bar 100 from generating swing, and realize fixation kit
With the connection between core bar 100.
A kind of retaining mechanism is additionally provided in the present embodiment, is used to open or locks the cover board 50 of vacuum plant test cavity,
Figure 19 to Figure 24 is please referred to, retaining mechanism includes: multiple locking members 51, and multiple locking members 51 are spaced apart and arranged in the chamber of test cavity
On body 58, locking member 51 has evacuation position and locked position, and locking member 51 is movably disposed at evacuation position and locking position
Between setting；Driving device, driving device are arranged on cavity 58, to drive multiple locking members 51 mobile simultaneously；Wherein, Duo Gesuo
Tight part 51 is arranged around cover board 50, and when locking member 51 is moved to locked position, cover board 50 is locked at cavity 58 by locking member 51
On, so as to form the space of sealing between cover board 50 and cavity 58, when locking member 51 is moved to evacuation position, cover board 50 can phase
Cavity 58 is moved.
The retaining mechanism of the present embodiment is mainly used on the test cavity of vacuum plant, with the use of sealer cover board 50, the lock
Tight mechanism includes multiple locking members 51 and driving device, and driving device can drive multiple locking members 51 to lock cover board 50 simultaneously
On test cavity, to form the space sealed in test cavity body, thus the intracavitary vacuum degree of guarantee test after evacuation, the lock
There are two types of working conditions for the tight tool of part 51, and when locking member 51 is moved to locked position, cover board 50 is combined closely with cavity 58, can not
Mobile, when locking member is moved to evacuation position, cover board 50 can be moved relative to cavity 58, in order to replace in test cavity
Experiment package and impeller connect cover board 50 closely with cavity 58 during the experiment by the way that locking member 51 is arranged, ensure that
Test cavity will not leak during the test, and vacuum degree is more preferable.
Retaining mechanism further include: mounting plate 52, mounting plate 52 are arranged on cavity 58, and multiple locking members 51 are positioned apart from
On mounting plate 52, and each locking member 51 can be rotatably set with respect to mounting plate 52, in evacuation position and locked position
Between rotate.
As shown in Figure 19 to 21, the retaining mechanism in the present embodiment further includes mounting plate 52, and mounting plate 52 is around cover board 50
Setting, the preferred annulus plate of mounting plate 52, each locking member 51 are evenly arranged on mounting plate 52, and each locking member 51 can independent phase
Mounting plate 52 is rotated.
Retaining mechanism further include: limit assembly 53, limit assembly 53 are arranged on mounting plate 52, locking member 51 limited
It is rotated between evacuation position and locked position.
As shown in figure 20, in the present embodiment retaining mechanism in order to guarantee locking member 51 evacuation position and locked position between
It is mobile, it is provided with limit assembly 53, it is preferable that limit assembly 53 includes two spacer pins, and two spacer pins are separately positioned on lock
The two sides of tight part 51, to limit the rotation of locking member 51.
Retaining mechanism further include: multiple locating shafts 54, multiple locating shafts 54 are arranged on mounting plate 52, multiple locking members
51 are arranged correspondingly with multiple locating shafts 54, and each locking member 51 can be rotated by corresponding locating shaft 54 with mounting plate 52
Ground connection.
As shown in figure 20, in order to enable locking member 51 realizes the rotation between mounting plate 52, each in the present embodiment
The centre of locking member 51 is provided with locating shaft 54, and locating shaft 54 is fixed on mounting plate 52, and locking member 51 is equipped with hinge hole, with
Cooperate with locating shaft 54 and realizes rotation.
Driving device includes: driving cylinder 55；Runner assembly 56, driving cylinder 55 are connect with runner assembly 56, rotating group
Part 56 is all connected with each locking member 51；Wherein, driving cylinder 55 drives the rotation of runner assembly 56 to drive each locking member 51
Rotation.
Driving device may include multiple driving cylinders 55, as shown in Figure 1, the driving device in the present embodiment is provided preferably with
One driving cylinder 55, retaining mechanism are additionally provided with cylinder erection support on test cavity, and driving cylinder 55 is mounted on cylinder peace
It fills on support, the piston rod of cylinder is driven to be drivingly connected with each locking member 51 to drive multiple locking members 51 to be moved simultaneously
It is dynamic.
Runner assembly 56 includes: driving plate 561, and driving cylinder 55 is connect with driving plate 561；Multiple pull rods 562, Duo Gela
Bar 562 is arranged correspondingly with multiple locking members 51, and multiple pull rods 562 are connect with driving plate 561 respectively, in driving plate
Corresponding locking member 51 is driven to rotate under 561 drive.
As shown in figure 21 and figure, the runner assembly 56 in the present embodiment specifically includes driving plate 561 and multiple pull rods
562.Driving plate 561 is fitted around the setting of plate 52, and multiple pull rods 562 are arranged correspondingly with multiple locking members 51, pull rod 562
One end is connect with driving plate 561, and the other end is connected with corresponding 51 side of locking member, to drive locking member 51 to carry out around locating shaft
Rotation.
Retaining mechanism further include: multiple bearing assemblies 57, multiple bearing assemblies 57 are spaced apart and arranged on cavity 58, each
Bearing assembly 57 is contacted with driving plate 561, so that driving plate 561 is rotated down in leading for bearing assembly 57.Bearing assembly 57
It include: bearing spider 571, bearing spider 571 is fixed on cavity 58；Bearing 572, bearing 572 are rotatably arranged in bearing
On support 571, to drive the bearing 572 contacted with driving plate 561 to rotate when driving plate 561 rotates.
Retaining mechanism in the present invention is additionally provided with multiple bearing assemblies on mounting plate 52, and bearing assembly 57 is around driving plate
561 inside setting, and contacted with the inner wall of driving plate 561, to guarantee that driving plate 561 is rotated along guide direction.
Driving device includes: driving motor 62；Lead screw 63 is driven, driving motor is connect with driving lead screw 63, lift arm 61
It is connect with driving lead screw 63, driving motor 62 drives lift arm 61 mobile by driving lead screw 63.
As shown in figure 18, the driving device in the present embodiment includes driving motor 62 and driving lead screw 63, drives lead screw 63
Feed screw nut is equipped between lift arm 61, lift arm 61 moves up and down under the drive of feed screw nut.
Hoisting mechanism includes: guide wheel assemblies 64, guide wheel assemblies 64 be arranged on lift arm 61 and with guide assembly 68
Contact, lift arm 61 are moved by guide wheel assemblies 64 along guide assembly 68.
As shown in figure 18, the hoisting mechanism in the present embodiment includes guide wheel assemblies 64, and guide wheel assemblies 64 include multiple
Directive wheel, multiple directive wheels are spaced apart and arranged between lift arm 61 and guide assembly 68, and driving lead screw 63 drives lift arm 61
It is moved up and down along the extending direction of guide assembly 68.
Hoisting mechanism includes: limit assembly, and limit assembly is arranged on guide assembly 68, to limit lift arm 61 in guide rail
Moving distance on component 68.
Hoisting mechanism in the present embodiment is additionally provided with limit assembly, limit assembly include upper limit plate and lower limiting board and
Travel switch, to limit the moving range of lift arm 61.
Hoisting mechanism further includes support base 65, and guide assembly 68 is arranged on support base 65；Runner assembly, runner assembly are set
It sets between guide assembly 68 and support base 65, so that guide assembly 68 is rotatably coupled with support base 65.Runner assembly packet
Include: rolling bearing 66, guide assembly 68 are connect by rolling bearing 66 with support base 65, in the rise of cover board 50, lift arm
61 drive cover board 50 to rotate, with the cavity 58 far from test cavity.
As shown in Figure 1, the hoisting mechanism in the present embodiment is additionally provided with support base 65, guide assembly in the lower section of lift arm 61
68 are rotatably arranged on support base 65, in order to realize that guide assembly 68 and support base 65 are rotatablely connected, are additionally provided with rotating group
Part, specific runner assembly are rolling bearing 66, and lift arm 61 moves up after driving cover board 50 to leave cavity 58, and movement is in place
Afterwards, staff can push lift arm 61 to be allowed to rotate around guide assembly 68 in the side of lift arm 61, and cover board 50 is moved on to
The side of cavity 58, is conveniently replaceable impeller.
Hoisting mechanism further include: connecting plate 67, connecting plate 67 are arranged between support base 65 and cavity 58, to connect support
Seat 65 and test cavity.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Testing machine in the present invention is mainly used for carrying out overspeed test, to detect the revolving speed of impeller, the testing machine to impeller
It mainly include speed regulation device 1, damper 20 and test cavity 2, speed regulation device 1 is used to provide rotational power to impeller, and adjusts leaf
The velocity of rotation of wheel, damper 20 are wrapped in the side of core bar 100, to reduce the vibration of core bar 100 when core bar 100 rotates,
During the test, impeller is placed in test cavity 2 for the hypervelocity experimental machine, is vacuum environment, impeller setting in the test cavity
Rotation enables impeller ultrahigh speed to rotate, passes through the test of above-mentioned setting in test cavity to avoid air bring resistance
Machine can carry out velocity measurement for superfast impeller, and solve that ultrahigh speed wheel rotation in the prior art can not test asks
Topic.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (28)
1. a kind of testing machine, for carrying out hypervelocity test to impeller, which is characterized in that the testing machine includes:
Speed regulation device (1), the speed regulation device (1) include core bar (100), and the core bar (100) connect with the impeller, to drive
Move the movement of the impeller；
Damper (20), the damper (20) connect with the core bar (100), to reduce the vibration of the core bar (100)；
Test cavity (2), the impeller are located in the test cavity (2), and the test cavity (2) is used to provide vacuum to the impeller
Environment, so that the impeller rotates in the vacuum environment of the test cavity (2), to reduce resistance.
2. testing machine according to claim 1, which is characterized in that the testing machine further includes hoisting mechanism, the promotion
Mechanism is connect with the cover board (50) on the test cavity (2), to drive the cavity of the cover board (50) Yu the test cavity (2)
(58) it connects or separates.
3. testing machine according to claim 2, which is characterized in that the hoisting mechanism includes:
Guide assembly (68)；
Lift arm (61), the lift arm (61) are liftably arranged on the guide assembly (68)；
Driving device, the driving device are connect with the lift arm (61), to drive the lift arm (61) to rise or fall；
Wherein, the lift arm (61) connect with the cover board (50), and the driving device drives the lift arm (61) along institute
It states guide assembly (68) to rise or fall, to drive the cover board (50) mobile.
4. testing machine according to claim 3, which is characterized in that the testing machine further include:
Support base (65), the guide assembly (68) are arranged on the support base (65)；
Fuel tank (60), the fuel tank (60) setting is in the side of lift arm (61) far from the test cavity, with to the damper
(20) interior fuel feeding.
5. testing machine according to claim 1, which is characterized in that the speed regulation device (1) include installation shell (10) and
Transmission mechanism, installation shell (10) have the installation cavity for installing the transmission mechanism, and the transmission mechanism includes tooth
Wheel assembly, the installation cavity include:
First oil pocket (11)；
Second oil pocket (12), the gear assembly setting is in second oil pocket (12)；
Wherein, first oil pocket (11) is connected to second oil pocket (12), and the side wall of second oil pocket (12) is equipped with
Second oil inlet (13), so that oil liquid is entered in second oil pocket (12) by second oil inlet (13) with to the tooth
Wheel assembly oil jet lubrication is additionally provided with oil outlet (14) on the installation cavity, after the oil liquid in the installation cavity reaches predeterminated position,
Oil outlet (14) oil extraction is so that second oil pocket (12) inner fluid will not be totally submerged the gear assembly, to reduce
State the resistance that gear assembly is subject in rotation.
6. testing machine according to claim 5, which is characterized in that the gear assembly includes:
Driving gear (30), the driving gear (30) is for the output axis connection with motor, so that described in the motor driven
Driving gear (30) rotation；
Driven gear (40), the driving gear (30) is engaged with the driven gear (40), to drive the driven gear
(40) it rotates；
Wherein, the driving gear (30) and the driven gear (40) are respectively positioned in second oil pocket (12), described driven
Gear (40) is connect with impeller-driven, and the benchmark that the datum diameter of the driving gear (30) is greater than the driven gear (40) is straight
Diameter, the motor are connect by the gear assembly with the impeller-driven, to realize that the speedup to the impeller drives.
7. testing machine according to claim 6, which is characterized in that the transmission mechanism further include:
Power input wheel (150), the motor are connect with the power input wheel (150), to drive the power input wheel
(150) it rotates；
Power input shaft (160), the power input shaft (160) include first connecting portion (161) and second connecting portion (162),
The power input wheel (150) connect with the first connecting portion (161), the driving gear (30) and the second connecting portion
(162) it connects, the motor drives power input shaft (160) rotation by the power input wheel (150), to drive
It states power input shaft (160) and drives driving gear (30) rotation.
8. testing machine according to claim 7, which is characterized in that the first connecting portion (161) is tapered shaft, described dynamic
Power wheel for inputting (150) is equipped with the bellmouth matched with the tapered shaft, and the tapered shaft is inserted into the power input wheel
(150) in bellmouth, it is separate that diameter of the tapered shaft close to the second connecting portion (162) one end is greater than the tapered shaft
The diameter of described second connecting portion (162) one end.
9. testing machine according to claim 8, which is characterized in that the first connecting portion (161) connects far from described second
One end of socket part (162) is equipped with locating piece (70), and the locating piece (70) connect with the power input shaft (160), by institute
Power input wheel (150) is stated to be located on the power input shaft (160).
10. testing machine according to claim 1, which is characterized in that the damper (20) includes:
Shell (24), core bar (100) are threaded through in the shell (24)；
It damps spacer (21), damping spacer (21) setting is in the shell (24), to reduce the vibration of the core bar (100)
It is dynamic；
Damping device (25), damping device (25) setting are connect in the shell (24) with the damping spacer (21)；
Detection device, the detection device are arranged on the shell (24), and the vibration by detecting the damping device (25)
To detect the vibration of the core bar (100).
11. testing machine according to claim 10, which is characterized in that the shell (24) is equipped with oil inlet interface (241)
And oil out port, the damping spacer (21) are equipped with the first oil circuit (211), so that oil liquid is flowed by the oil inlet interface (241)
Enter in the shell (24), and is discharged after flowing through first oil circuit (211) from the oil out port.
12. testing machine according to claim 11, which is characterized in that the damping spacer (21) includes:
Core bar hole (212), the core bar hole (212) is for wearing the core bar (100)；
Multiple first through hole (213), multiple first through hole (213) around the core bar hole (212) be arranged so that oil liquid by
One end of the first through hole (213) flows to the other end of the first through hole (213).
13. testing machine according to claim 11, which is characterized in that the damper (20) further include:
First oscillator (22), the first oscillator (22) setting is in the shell (24), and first oscillator (22) is for covering
It is located on the outside of core bar (100).
14. testing machine according to claim 13, which is characterized in that first oscillator (22) is equipped with the second oil circuit
(221), it so that oil liquid is flowed into the shell (24) by the oil inlet interface (241), and is flowed after second oil circuit (221)
Enter first oil circuit (211).
15. testing machine according to claim 14, which is characterized in that the damper (20) further include:
Second oscillator (23), second oscillator (23) is set in the outside of first oscillator (22), to the core bar
(100) vibration damping is carried out.
16. testing machine according to claim 15, which is characterized in that second oscillator (23) is equipped with third oil circuit
(231), it so that oil liquid is entered in the shell (24) by the oil inlet interface (241), and is flowed via the third oil circuit (231)
Into second oil circuit (221).
17. testing machine according to claim 16, which is characterized in that the damping device (25) is equipped with and second oil
The 4th oil circuit (251) that road (221) is connected to the third oil circuit (231), by the oil liquid by the third oil circuit (231)
It imports in second oil circuit (221).
18. testing machine according to claim 15, which is characterized in that the damper (20) further include:
First vibration damping portion (26), first vibration damping portion (26) are arranged in first oscillator (22) and second oscillator (23)
Between, to reduce vibration caused by the core bar (100).
19. testing machine according to claim 18, which is characterized in that the shell (24) is equipped with oil inlet interface (241),
First vibration damping portion (26) be vibration damping oil film so that oil liquid by the oil inlet interface (241) enter the shell (24) in
To first vibration damping portion (26) fuel feeding.
20. testing machine according to claim 15, which is characterized in that the damper (20) further include:
Second vibration damping portion (27), second vibration damping portion (27) setting second oscillator (23) and the shell (24) it
Between, to reduce vibration caused by the core bar (100).
21. testing machine according to claim 20, which is characterized in that second vibration damping portion (27) is rubber assembly.
22. testing machine according to claim 20, which is characterized in that the detection device includes vibrating sensor (41),
The vibrating sensor (41) connect with the damping device (25) to detect the vibration of the damping device (25).
23. testing machine according to claim 22, which is characterized in that the shell (24) includes chassis (243), the resistance
Buddhist nun's device further include:
Fixation kit, the fixation kit is arranged on the chassis (243), to consolidate to the vibrating sensor (41)
It is fixed.
24. testing machine according to claim 23, which is characterized in that the damper (20) further include:
Bearing assembly (45), the bearing assembly (45) are set on the core bar (100), and the fixation kit passes through the axis
Bearing assembly (45) is connect with the core bar (100).
25. testing machine according to claim 1, which is characterized in that the test cavity (2) includes retaining mechanism, the lock
Tight mechanism is used to for the cover board (50) of the test cavity (2) being locked at the cavity (58) of the test cavity (2).
26. testing machine according to claim 25, which is characterized in that the retaining mechanism includes:
Multiple locking members (51), multiple locking members (51) are spaced apart and arranged on the cavity (58) of the test cavity (2), institute
Stating locking member (51) has an evacuation position and locked position, the locking member (51) be movably disposed at the evacuation position with
Between the locked position；
Driving device, the driving device are arranged on the cavity (58), to drive multiple locking members (51) to move simultaneously
It is dynamic；
Wherein, multiple locking members (51) are arranged around the cover board (50), when the locking member (51) is moved to the lock
When tight position, the cover board (50) is locked on the cavity (58) by the locking member (51) so that the cover board (50) with
The space that sealing is formed between the cavity (58), when the locking member (51) is moved to the evacuation position, the cover board
(50) it can be moved relative to the cavity (58).
27. testing machine according to claim 26, which is characterized in that the driving device includes:
It drives cylinder (55)；
Runner assembly (56), the driving cylinder (55) connect with the runner assembly (56), the runner assembly (56) and each
A locking member (51) is all connected with；
Wherein, the driving cylinder (55) drives runner assembly (56) rotation to drive each locking member (51) to turn
It is dynamic.
28. testing machine according to claim 27, which is characterized in that the runner assembly (56) includes:
Driving plate (561), the driving cylinder (55) connect with the driving plate (561)；
Multiple pull rods (562), multiple pull rods (562) are arranged correspondingly with multiple locking members (51), Duo Gesuo
It states pull rod (562) to connect with the driving plate (561) respectively, to drive corresponding institute under the drive of the driving plate (561)
State locking member (51) rotation.
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| CN201811238669.9A CN109188010B (en) | 2018-10-23 | 2018-10-23 | Testing machine |
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|---|---|---|---|
| CN201811238669.9A CN109188010B (en) | 2018-10-23 | 2018-10-23 | Testing machine |
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| CN109188010B CN109188010B (en) | 2024-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487466A (en) * | 2021-12-22 | 2022-05-13 | 浙江英洛华磁业有限公司 | Rotor assembly rotating speed testing device |
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| CN109188010B (en) | 2024-03-08 |
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