CN107957322A - A kind of simulator of impeller surface blast wandering - Google Patents

A kind of simulator of impeller surface blast wandering Download PDF

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Publication number
CN107957322A
CN107957322A CN201610902523.4A CN201610902523A CN107957322A CN 107957322 A CN107957322 A CN 107957322A CN 201610902523 A CN201610902523 A CN 201610902523A CN 107957322 A CN107957322 A CN 107957322A
Authority
CN
China
Prior art keywords
impeller
chamber
fixture
rack
simulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610902523.4A
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Chinese (zh)
Inventor
王海斗
邢志国
周京
徐滨士
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Armored Infantry Engineering College People's Liberation Army
Original Assignee
Armored Infantry Engineering College People's Liberation Army
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Armored Infantry Engineering College People's Liberation Army filed Critical Armored Infantry Engineering College People's Liberation Army
Priority to CN201610902523.4A priority Critical patent/CN107957322A/en
Publication of CN107957322A publication Critical patent/CN107957322A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06Measuring arrangements specially adapted for aerodynamic testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06Measuring arrangements specially adapted for aerodynamic testing
    • G01M9/065Measuring arrangements specially adapted for aerodynamic testing dealing with flow

Abstract

The present invention provides a kind of simulator of impeller surface blast wandering, including:Rack;The upper fixture being arranged in the rack and lower fixture;The upper fixture and the lower fixture are respectively used to the both ends of the clamping blade;The chamber being arranged on the erecting bed of the rack, the chamber are used to be located at the blade;It is arranged on the rack, and the air feed system connected with the chamber, the air feed system is used to divulging information into the chamber with to load caused by the vane simulated application fluid media (medium).The simulator of impeller surface blast wandering provided by the invention can simulate load caused by the fluid media (medium) suffered by blade by air feed system and chamber, by high pressure wind field come impeller wind field operating mode in simulated air compressor, the military service situation of simulation and evaluation impeller under high pressure Wind.

Description

A kind of simulator of impeller surface blast wandering
Technical field
The present invention relates to technical field of test equipment, more particularly to a kind of simulator of impeller surface blast wandering.
Background technology
Impeller is the important component of air compressor, is to ensure air compressor performance, reliability, the weight of durability Want parts.
In the course of work of air compressor, high-speed rotating impeller can do work flow media (i.e. air), relatively Answer, flow media can produce reaction force in impeller passage to the blade of impeller, and then be easier to cause blade generation tired Strain bad.Therefore, load caused by flow media is to remanufacture the important composition of service load during the secondary military service of impeller Part.
Therefore, how in simulated air compressor impeller wind field operating mode, simulation and evaluation impeller are in high pressure Wind Under military service situation, become those skilled in the art's technical barrier urgently to be resolved hurrily.
The content of the invention
The object of the present invention is to provide a kind of simulator of impeller surface blast wandering, with the simulated air compressor middle period The wind field operating mode of wheel, the military service situation of simulation and evaluation impeller under high pressure Wind.
To achieve these goals, the present invention provides following technical solution:
A kind of simulator of impeller surface blast wandering, including:
Rack;
The upper fixture being arranged in the rack and lower fixture;The upper fixture and the lower fixture are respectively used to clamping institute State the both ends of blade;
The chamber being arranged on the erecting bed of the rack, the chamber are used to be located at the blade;
The rack, and the air feed system connected with the chamber are arranged on, the air feed system is used for the examination Ventilation is with to load caused by the vane simulated application fluid media (medium) in tryoff.
Preferably, the air feed system includes air blower and ventilation shaft, and one end of the ventilation shaft connects the drum The air outlet of wind turbine, the other end connect the chamber.
Preferably, wind pressure adjusting device is further included, the wind pressure adjusting device is electric including servomotor and with the servo The converter plant of machine connection, the converter plant include:
The valve body being arranged on the ventilation shaft;
The valve seat being arranged in the valve body;And the spool coordinated with the valve seat, the spool pass through connection Axis is connected with the servomotor;The servomotor drives the spool to be rotated relative to the valve seat by the connecting shaft To realize that the valve body is being closed and switched under opening.
The simulator of impeller surface blast wandering provided by the invention can be simulated by air feed system and chamber Load caused by fluid media (medium) suffered by blade, by high pressure wind field come impeller wind field operating mode in simulated air compressor, The military service situation of simulation and evaluation impeller under high pressure Wind.
Brief description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only one described in the present invention A little embodiments, for those of ordinary skill in the art, can also obtain other attached drawings according to these attached drawings.
Fig. 1 is the front view of the simulator of impeller surface blast wandering provided in an embodiment of the present invention, is not shown in figure Chamber;
Fig. 2 is the side view of Fig. 1, and chamber is shown in figure;
Fig. 3 is the close-up schematic view of the simulator of impeller surface blast wandering provided in an embodiment of the present invention;
Fig. 4 is the internal structure schematic diagram of the simulator of impeller surface blast wandering provided in an embodiment of the present invention.
Embodiment
In order to make those skilled in the art more fully understand technical scheme, below in conjunction with attached drawing to this hair It is bright to be further detailed.
Please refer to Fig.1 and Fig. 2, the embodiment of the present invention provides a kind of simulator of impeller surface blast wandering, for pair The blade of air compressor impeller implements experiment detection, with the wind field operating mode of impeller in simulated air compressor, simulation and evaluation Military service situation of the impeller under high pressure Wind.
The wind field operating mode with impeller in simulated air compressor shown in Fig. 1 and 2, simulation and evaluation impeller are in high pressure wind field Military service situation under effect.Including rack 10, upper fixture 20, lower fixture 30, chamber 40 and air feed system 60.
Wherein, skeleton of the rack 10 as the simulator of whole impeller surface blast wandering, for for other parts Installation foundation is provided.Upper fixture 20 and lower fixture 30 are arranged in rack 10, in general, upper fixture 20 is arranged on the top of rack 10 End, lower fixture 30 is arranged on the erecting bed of rack 10, it is also assumed that being the simulator of whole impeller surface blast wandering Workbench.Upper fixture 20 and lower fixture 30 are respectively used to the both ends of clamping blade 70, respectively top and bottom, upper fixture 20 Apply the pulling force of setting to blade 70 respectively with lower fixture 30.
In preferable scheme, to simulate the centrifugal force suffered by blade 70, in order to ensure the pulling force applied can be compared with subject to Its suffered centrifugal force in the operating condition of true simulation, is provided with pulling force sensor 50, pulling force sensor in upper fixture 20 50 are used to show the pulling force being applied on blade 70, and when pulling force is insufficient, pulling force sensor 50 can play what is subsequently adjusted again Suggesting effect.
Chamber 40 is used for the erecting bed for being arranged on rack 10, and the effect of chamber 40 is to be located on blade 70, To provide the simulated environment of a relative closure.Air feed system 60 is arranged in rack 10, and is connected with chamber 40, air feed system System 60 is divulged information into chamber 40, so that airflow function is finally reached simulation blade on the blade 70 in chamber 40 The purpose of load caused by 70 in running order lower suffered flow medias.
Air feed system 60 implements active force to drying within chamber 40 to the blade in chamber 40, to simulate Stressing conditions when blade 70 works in air compressor inner cavity.
The simulator of impeller surface blast wandering provided by the invention can be simulated by air feed system and chamber Load caused by fluid media (medium) suffered by blade, by high pressure wind field come impeller wind field operating mode in simulated air compressor, The military service situation of simulation and evaluation impeller under high pressure Wind.
Referring again to Fig. 1 and 2, a kind of rack 10 of concrete structure is provided in the present embodiment, which includes electronic Cylinder 101 and bell crank lever 102, wherein, electric cylinder 101 is arranged on the bottom of bell crank lever 102, and upper fixture 20 is arranged on right angle thick stick The top of bar 102, electric cylinder 101 can promote the bell crank lever 102 to swing to reach folder to adjust and then pull upper fixture 20 indirectly Tight 70 top of blade, and apply the purpose of pulling force.Bell crank lever 102 can play the mesh for adjusting 20 layout angle of upper fixture and position , meanwhile, by reasonably arrange bell crank lever 102 fulcrum can bell crank lever 102 thrust of electric cylinder 101 is put Greatly, while the transformation of 101 thrust direction of electric cylinder is realized.It is larger in view of 102 stress of bell crank lever, to realize high intensity weight The requirement of amount, the structure design of bell crank lever 102 is weldment by we, and is designed rational floor and gusset and improved right angle thick stick The integral strength of bar 102.In the present embodiment, rack 10 passes through high-precision electrical servo system (electric cylinder) and bell crank lever 102 loading, can realize the accurate loading of static(al).
In the present embodiment, the top of bell crank lever 102 can be provided with lifting gear 103, and lifting gear 103 can be relative to The top of bell crank lever 102 is lifted to adjust the distance between upper fixture 20 and lower fixture 30, and then plays both adjustings indirectly Put on the purpose of 70 upper pulling force of blade.Specifically, lifting gear 103 can use worm wheel screw rod lifting machine, using worm gear silk Thick stick lifting function facilitates the clamping of blade 70, has that compact-sized, light-weight, noiseless, bearing capacity is strong, self-locking, push rod are prevented Rotation, the advantages that reliability is high, service life is long.At the same time, the lifting moving energy auxiliary adjustment right angle thick stick of lifting gear 103 The leveling of bar 102 and ensure load straight up.
The simulator of impeller surface blast wandering provided in this embodiment can also include controller, controller and pulling force Sensor 50 is connected with lifting gear 103, and controller is used to control lifting gear 103 to rise until pulling force sensor 50 is examined The numerical value of survey reaches setting value.Specifically, controller can be according to the real-time value of thrust that pulling force sensor 50 is detected and setting Value compares, and then controls the start and stop of lifting gear 103.This PI D control methods can preferably ensure that the high accuracy of static(al) adds Carry.
In the simulator of impeller surface blast wandering provided in an embodiment of the present invention, air feed system 60 includes air blower 601 and ventilation shaft 602, the air outlet connection of one end connection air blower 601 of ventilation shaft 602, other end joint test case 40, and then realize the purpose blown into chamber 40.The air feed system 60 provided can also include servomotor 603 and with The converter plant 604 that the servomotor 603 connects, the converter plant 604 include valve body 6041, valve seat 6042, spool 6043 and connecting shaft 6044.Wherein:Valve body 6041 is arranged on ventilation shaft 602, and valve seat 6042 is arranged in valve body 6041, valve Core 6043 coordinates with valve seat 6042, and valve body 6041 is connected by connecting shaft 6044 with servomotor 603, and servomotor 603 passes through Connecting shaft 6044 drives spool 6043 to be rotated relative to valve seat 6042 to realize that valve body 6041 is being closed and switched under opening, Finally realize that the logical of ventilation shaft 602 closes.Certainly, the rotational angle difference of spool 6043 can with the aperture of regulation valve body 6041, Achieve the purpose that more accurate control air quantity.
Some one exemplary embodiments that only the invention has been described by way of explanation above, undoubtedly, for ability The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention The limitation of claims.

Claims (3)

  1. A kind of 1. simulator of impeller surface blast wandering, it is characterised in that including:
    Rack;
    The upper fixture being arranged in the rack and lower fixture;The upper fixture and the lower fixture are respectively used to the clamping leaf The both ends of piece;
    The chamber being arranged on the erecting bed of the rack, the chamber are used to be located at the blade;
    The rack, and the air feed system connected with the chamber are arranged on, the air feed system is used for the chamber It is interior ventilation with to it is described it is vane simulated application fluid media (medium) caused by load.
  2. 2. the simulator of impeller surface blast wandering as claimed in claim 1, it is characterised in that the air feed system includes Air blower and ventilation shaft, one end of the ventilation shaft connect the air outlet of the air blower, and the other end connects the experiment Case.
  3. 3. the simulator of impeller surface blast wandering as claimed in claim 2, it is characterised in that further include wind pressure and adjust dress Put, the wind pressure adjusting device includes servomotor and the converter plant being connected with the servomotor, the converter plant bag Include:
    The valve body being arranged on the ventilation shaft;
    The valve seat being arranged in the valve body;And with the valve seat coordinate the spool, the spool by connecting shaft with The servomotor is connected;The servomotor drives the spool to be rotated relative to the valve seat with reality by the connecting shaft The existing valve body is being closed and switched under opening.
CN201610902523.4A 2016-10-17 2016-10-17 A kind of simulator of impeller surface blast wandering Pending CN107957322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610902523.4A CN107957322A (en) 2016-10-17 2016-10-17 A kind of simulator of impeller surface blast wandering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610902523.4A CN107957322A (en) 2016-10-17 2016-10-17 A kind of simulator of impeller surface blast wandering

Publications (1)

Publication Number Publication Date
CN107957322A true CN107957322A (en) 2018-04-24

Family

ID=61953807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610902523.4A Pending CN107957322A (en) 2016-10-17 2016-10-17 A kind of simulator of impeller surface blast wandering

Country Status (1)

Country Link
CN (1) CN107957322A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2900960Y (en) * 2006-05-09 2007-05-16 康图强 Flow regulating ball core valve with plastic aperture-flow curve
CN105628371A (en) * 2016-03-22 2016-06-01 燕山大学 Blade fatigue performance tester
CN206387559U (en) * 2016-10-17 2017-08-08 中国人民解放军装甲兵工程学院 A kind of analogue means of impeller surface blast wandering

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2900960Y (en) * 2006-05-09 2007-05-16 康图强 Flow regulating ball core valve with plastic aperture-flow curve
CN105628371A (en) * 2016-03-22 2016-06-01 燕山大学 Blade fatigue performance tester
CN206387559U (en) * 2016-10-17 2017-08-08 中国人民解放军装甲兵工程学院 A kind of analogue means of impeller surface blast wandering

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