CN206479314U - A kind of turbine test rig - Google Patents
A kind of turbine test rig Download PDFInfo
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- CN206479314U CN206479314U CN201621105474.3U CN201621105474U CN206479314U CN 206479314 U CN206479314 U CN 206479314U CN 201621105474 U CN201621105474 U CN 201621105474U CN 206479314 U CN206479314 U CN 206479314U
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- turbine
- installation axle
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- test rig
- drive mechanism
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Abstract
The utility model discloses a kind of turbine test rig, including turbine test device and data collecting system, the turbine test device is disposed with the first drive mechanism, turbine mechanism for testing and the second drive mechanism from top to bottom, and the turbine mechanism for testing is connected with the first drive mechanism and the second drive mechanism respectively by turbine installation axle.The assembling of this experimental bench is simple, available for the influence that single turbine, multistage turbine, counter rotating turbine performance, the servo-actuated performance of turbine and turbine rotation stream field are measured in different fluid medium.
Description
Technical field
The utility model is related to turbine technical field of measurement and test, and in particular to a kind of turbine test rig.
Background technology
At present, turbine can be situated between as a kind of important hydrodynamics part in fluids such as air stream, current, mud streams
Rotated under the energy driving of matter, and then the energy of fluid is converted into mechanical energy.Common turbine has turbogenerator, water
Turbine, wind-driven generator, turbodrill rotor etc., in Aerospace Engineering, hydraulic power engineering, ship auto industry, stone
The fields such as oily drilling industry have a wide range of applications.The various factors such as the precision of turbine processing, the material selected can be right
The performance of turbine produces influence, but the geometry that the influence factor of decisive role is turbine is played to turbine performance, including
Radial dimension, geometrical structure parameter, the molded line of blade, gap size of blade of turbine etc., therefore, the design of turbine is one
Sufficiently complex thing, the performance test and parameter adjustment for generally requiring to carry out repeatedly could obtain the whirlpool of a excellent performance
Wheel.In recent years, developing rapidly with Computer-aided Design Technology (CAD) and computer simulation emulation technology (CFD), turbine
Designed capacity have a lifting at full speed, the designing technique of turbine is combined by circular arc line and hyperbolic conchoid, parabola and circular arc
Developed on the basis of the conventional method such as line combination, circular arc line or the single combination shaping of parabola quadravalence batten, cubic polynomial,
The new methods such as quintic algebra curve, Bezier curve, the turbine molded line of this kind of method design has continuous three order derivative, meets
The requirement that blade continuously shrinks into and out of bicker and blade passage, it is to avoid the fluid speed caused without continuous derivative blade profile curve
The mutation of degree and pressure, improves the hydrodynamic characteristic of turbine.Although the designed capacity of turbine is greatly promoted, also cause whirlpool
The geometry of wheel is also increasingly complex therewith, and the parameter of required control is also greatly increased therewith.Therefore, it is how fast and effeciently right
The performance of turbine is tested and evaluated, prediction of the checking computer simulation emulation technology to turbine performance, and then turbine is set
Making for meter parameter is further adjusted and optimized, and efficiently reduces turbine design R＆D costs and cycle, and exploitation is a kind of just
Prompt efficient turbine performance test checking test platform just has important practical significance.
At present, various types of turbine test platforms are possessed both at home and abroad, coverage is wider, the test of the design hydraulic turbine, aviation
Engine Block Test, automobile turbocharger test etc., are respectively provided with stronger professional and unicity, although can obtain in detail
There is targetedly test data, but without interchangeability, the performance of different type turbine parts can not be tested,
And it is single using fluid, turbine can only be tested under the conditions of single gas or liquid medium.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of turbine test rig, and it can be realized
On single turbine test rig, using being tested in different fluid medium the performance of different type turbine, list can be not only obtained
Or the traditional performance such as moment of torsion, the rotating speed of multistage turbine, and turbine can be measured rotate influence to its surrounding fluid confined pressure,
The servo-actuated performance of turbine can also be measured, realized accurate to turbine part availability, the reasonability that designs a model, simulation and prediction
The evaluation and test of true property, foundation is provided for turbine design with optimization.
To achieve the above object, the utility model provides following technical scheme：A kind of turbine test rig, including turbine test
Device, the turbine test device includes the first drive mechanism, turbine mechanism for testing and the second drive set gradually from top to bottom
Motivation structure；
The turbine mechanism for testing includes fluid inlet, upper bush, turbine sleeve, lower sleeve and fluid issuing, the stream
Body import, upper bush, turbine sleeve, lower sleeve and fluid issuing are interconnected to form a fluid passage, and the turbine can lead to
Turbine installation axle is crossed to be connected with the first drive mechanism and the second drive mechanism respectively；
The turbine test rig also includes the data collecting system for being used to gather turbo operating state data.
Further, the turbine installation axle includes upper turbine installation axle and lower turbine installation axle, and one end of the turbine leads to
Cross turbine installation axle to be connected with the first drive mechanism, the other end of the turbine passes through lower turbine installation axle and the second driving machine
Structure is connected.
Further, the turbine test device, which is additionally provided with frame, the frame, is provided with the first horizontal support plate and
It is provided with two horizontal support plates, first horizontal support plate on upper surface seat, second horizontal support plate and is provided with lower surface seat,
The upper bush is fixedly connected with upper surface seat, and the lower sleeve is fixedly connected with lower surface seat.
Further, cowling panel is provided with the upper bush, in favor of obtaining uniform and stable inside when turbine is tested
Flow field.
Further, the upper surface seat on the seat of lower surface with being provided with steady for machine tool, for adjusting fluid passage
Axial location, it is ensured that turbine installation axle and the axial concentricity of motor shaft, in order to the assembling and debugging of turbine test device, keeps away
Having exempted from axial location deviation causes the insecure situation of test data to occur.
Further, inlet pressure sensor is provided with the fluid inlet, the fluid outlet is provided with outlet pressure
Force snesor and control valve, for measuring the Fluid pressure difference of inlet and outlet, and then go out whirlpool using hydrodynamics method
The consumed fluid energy of wheel rotation, the efficiency to turbine is evaluated.
Further, annular arrangement pressure sensor is provided with the turbine, the annular arrangement pressure sensor is installed
On turbine sleeve corresponding with turbine, available for pressure influence of the measurement turbine rotation to flow field around.
Further, first driving structure includes upper motor and first shaft coupling, and the upper motor passes through first
Shaft coupling is connected with upper turbine installation axle, and the upper turbine installation axle is connected through upper surface seat and with its bearing；
The first shaft coupling is provided with top and turns torsion sensor, moment of torsion and rotating speed for testing turbine rotation.
Further, second driving structure includes lower motor and second shaft coupling, and the lower motor passes through second
Shaft coupling is connected with lower turbine installation axle, and the lower turbine installation axle is connected through lower surface seat and with its bearing；
The second shaft coupling is provided with bottom and turns torsion sensor, moment of torsion and rotating speed for testing turbine rotation.
Further, the upper turbine installation axle is provided with closure, the lower turbine installation axle with upper surface seat junction
Lower surface seat junction is provided with closure.
Further, moushroom valve or nozzle are provided with upper turbine installation axle, the trackability available for test turbine.
Further, between the fluid inlet and upper bush, between the upper bush and turbine sleeve, the turbine sleeve
Be provided with sealing ring between lower sleeve and between the lower sleeve and fluid issuing, for ensure fluid passage with it is outer
Boundary isolates, and forms confined space.
The beneficial effects of the utility model are as follows：
1st, the utility model provides a kind of turbine test rig, and design is simple, and easy for installation, test mode is versatile and flexible,
The performances such as single turbine in different flow fields, multistage turbine, counter rotating turbine, turbine trackability can be tested, it may also be used for evaluate turbine and turn
The dynamic influence to periphery flow field.The test device can realize dynamic measuring and record, be easy to follow-up to turbine theory of mechanics
Analysis and turbine design model optimization, also experimental verification can be carried out to the prediction of turbine performance for computer simulation,
And then the parameter and algorithm of analogue simulation are adjusted, shorten the cycle of turbine research and development and design, reduce cost.
2nd, turbine installation axle of the present utility model is connected with turbine key or interference mode coordinates, in the drive of drive mechanism
Under, turbine performance is tested, its is easy to operate, it is simple in construction, realized by turbine installation axle to single turbine, multistage turbine
With the performance test of counter rotating turbine.
3rd, upper turbine installation axle of the present utility model is provided with moushroom valve or nozzle, thus it is possible to vary flowing of the fluid on turbine
State, and then the servo-actuated performance of turbine is tested.
Brief description of the drawings
The structural representation for the turbine test rig that Fig. 1 provides for the utility model embodiment；
The structural representation for the turbine test rig electric control part that Fig. 2 provides for the utility model embodiment；
In figure：1-upper motor, 2-first shaft coupling, 3-top turns torsion sensor, 4-closure, 5-upper surface
Seat, 6-upper turbine installation axle, 7-upper bush, 8-turbine sleeve, 9-lower sleeve, 10-lower surface seat, 11-bottom turns to turn round
Sensor, 12-lower motor, the 13-the four support, 14-second shaft coupling, the 15-the three support, 16-steady for machine tool,
17-fluid issuing, 18-control valve, 19-outlet pressure sensor, 20-annular arrangement pressure sensor, 21-turbine,
22-inlet pressure sensor, 23-fluid inlet, 24-cowling panel, 25-frame, 26-lower turbine installation axle, 27-the first
Support, 28-second support.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specific implementation
The utility model is described in further detail for mode.
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to of the present utility model
Accompanying drawing, clear, complete description is carried out to the technical solution of the utility model, based on the embodiment in the application, this area is general
Other class be the same as Examples that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application
The scope of protection.
As depicted in figs. 1 and 2, a kind of turbine test rig, including turbine test device, data collecting system.The data
Acquisition system is used for the data for gathering turbine test device, and the turbine test device is disposed with the first driving from top to bottom
Mechanism, turbine mechanism for testing and the second drive mechanism；The turbine mechanism for testing includes turbine 21, fluid inlet 23, upper bush
7th, turbine sleeve 8, lower sleeve 9 and fluid issuing 17, the fluid inlet 23, upper bush 7, turbine sleeve 8, lower sleeve 9 and stream
Body outlet 17 is interconnected to form a fluid passage, between the fluid inlet 23 and upper bush 7, the upper bush 7 and turbine
It is provided between sleeve 8, between the turbine sleeve 8 and lower sleeve 9 and between the lower sleeve 9 and fluid issuing 17
Sealing ring, for ensureing that fluid passage is isolated from the outside, forms confined space；The turbine 21 is located in turbine sleeve 8, described
Turbine 8 is connected with the first drive mechanism and the second drive mechanism respectively by turbine installation axle, and turbine installation axle and turbine key
Connection or interference mode coordinate, and the turbine installation axle includes upper turbine installation axle 6 and lower turbine installation axle 26, the turbine 21
One end be connected by upper turbine installation axle 6 with the first drive mechanism, the other end of the turbine 21 passes through lower turbine installation axle
26 are connected with the second drive mechanism.
The turbine test device, which is additionally provided with frame 25, the frame 25, is provided with the first horizontal support plate and the second horizontal stroke
It is provided with supporting plate, first horizontal support plate on upper surface seat 5, second horizontal support plate and is provided with lower surface seat 10,
The upper bush 7 is fixedly connected with upper surface seat 5, and the lower sleeve 9 is fixedly connected with lower surface seat 10.The upper surface seat 5
With being provided with steady for machine tool 16 on lower surface seat 10, the axial location for adjusting fluid passage, it is ensured that turbine installation axle
With the axial concentricity of motor shaft, in order to the assembling and debugging of turbine test device, it is to avoid axial location deviation causes to survey
The insecure situation of data is tried to occur.
Cowling panel 24 is provided with the upper bush 7, in favor of obtaining uniform and stable interior flow field when turbine is tested.
As a part for data collecting system, inlet pressure sensor 22, the fluid issuing are provided with the fluid inlet 23
Outlet pressure sensor 19 and control valve 18 are provided with 17, the Fluid pressure difference for measuring inlet and outlet, Jin Erke
Go out turbine using hydrodynamics method and rotate consumed fluid energy, the efficiency to turbine is evaluated.Further, data
Acquisition system also includes being located at the annular arrangement pressure sensor 20 set at the turbine 21, the annular arrangement pressure sensing
Device 20 is arranged on turbine sleeve 8 corresponding with turbine 21, available for pressure influence of the measurement turbine rotation to flow field around.
First driving structure includes upper motor 1 and first shaft coupling 2, and the upper motor 1 passes through the first shaft coupling
Device 2 is connected with upper turbine installation axle 6, and the upper turbine installation axle 6 is through upper surface seat 5 and by angular contact ball and upper surface seat
5 bearings are connected, it is ensured that turbine installation axle is free to rotate, to transmit rotating speed and moment of torsion, the upper turbine installation axle 6 and upper end
Face 5 junctions of seat are provided with closure.The first shaft coupling 2 is provided with top and turns torsion sensor 3, for testing turbine rotation
Moment of torsion and rotating speed.The upper motor 1 is fixedly mounted in frame 25 by first support 27, and the first shaft coupling 2 is led to
Second support 28 is crossed to be fixedly mounted in frame 25.
Second driving structure includes lower motor 12 and second shaft coupling 14, and the lower motor 12 passes through second
Axle device 14 is connected with lower turbine installation axle 26, and the lower turbine installation axle 26 is through lower surface seat 10 and by angular contact ball with
End face seat 10 bearings connection, it is ensured that turbine installation axle is free to rotate, to transmit rotating speed and moment of torsion, the lower turbine installation axle
26 are provided with closure with lower surface 10 junctions of seat.The second shaft coupling 14 is provided with bottom and turns torsion sensor 11, is used for
The moment of torsion and rotating speed of turbine rotation are tested, the lower motor 12 is fixedly mounted in frame 25 by the 4th support 13, described
Second shaft coupling 14 is fixedly mounted in frame 25 by the 3rd support 15.The upper motor of turbine test rig of the present utility model
1 and lower motor 12, turn torsion sensor and fixed using support and experimental bench frame, the weight of experimental section is held by horizontal support plate
Load, will not be impacted to the rotation of motor.
As shown in Fig. 2 the upper motor 1 and lower motor 12 of turbine test rig respectively with upconverter and low-converter phase
Even, for controlled motor rotating speed and direction, and then drive turbine installation axle and turbine to be operated according to given requirements, turbine can be achieved
Rotate in same direction, relatively rotate, the motion state such as geo-stationary.Turbine installation axle can install single turbine, multistage turbine, to turning whirlpool
The forms such as wheel, can also install the part such as nozzle or moushroom valve, for changing fluid motion in the turbine installation position of upper turbine installation axle
Mode, the local performance by single turbine during fluid impact or multistage turbine of measurement, and can be right under the auxiliary of upper motor 1
The servo-actuated performance of turbine is evaluated and tested.The moment of torsion and rotating speed of turbine rotation can turn the acquisition of torsion sensor by top, bottom two,
The phase difference of two sensor signals can be used to react the trackability of turbine.Fluid inlet can be with air pump, water pump, slush pump etc. even
Connect, different Experimental Flowing Object media are chosen as requested, to measure turbine in the flow fields such as air stream, current, mud stream
Performance.Fluid inlet 23, fluid issuing 17 are mounted on pressure sensor, to measure the stream at fluid inlet and outlet
Body pressure, the in addition parameter such as fluid inlet and outlet diameter, pump pressure and pump amount, turbine torque, secondary speed, you can by calculating to whirlpool
The conversion efficiency and practical manifestation of wheel are estimated.Turbine installed position can install single or multiple lift annular according to requirement of experiment
Arrangement pressure sensor 20, its pressure signal can reflect the influence that single-stage or multistage turbine rotation stream field are produced.Turbine
The all the sensors of experimental bench are adopted in real time by the data collecting system being made up of data collecting card, data logger etc.
Collection, and data storage analysis system is stored in, in order to follow-up theory analysis and demonstration.
Embodiment one：
Performance of the single turbine under different flow fields：Select suitable fluid pump as fluid source, keep upper motor 1 to be in
Off position, using lower motor 12 as load motor, installs single turbine in lower turbine installation axle 26, selects different pumps
Pressure, pump discharge, the sensor for providing range, you can test performance of the single turbine in flow field, the test pattern is fitted
Test for the turbine parts performance such as measurement while drilling generating power downhole turbine, automobile engine charging turbine.
Embodiment two：
Performance of the multistage turbine under different flow fields：Upper motor 1 is kept to be in off position, a lower motor 12 is made
For load motor, multistage turbine is installed in lower turbine installation axle 26, passes through different experiments parameter and regulation range sensorses
Selection, you can measurement multistage turbine performance test in a fluid, the test pattern is applied to the supporting turbine of test single-stage and bored
Has the test of rotor and multistage turbine rotor performance.Determine in fact, multistage turbine rotor performance is not single-stage turbine
Exist between the simple superposition of rotor performance, turbines at different levels and influence each other, the influence of its stream field is also with single-stage turbine in the presence of poor
Not, easily above-mentioned influence can be studied using the turbine test rig.
Embodiment three：
Counter rotating turbine：Used using upper motor 1, lower motor 12 as load motor, two parts point of counter rotating turbine
It is not installed in turbine installation axle 6 and lower turbine installation axle 26, selection different fluid medium, test parameters coordinate Sq
The sensor of journey, you can the hydrodynamic performance of test counter rotating turbine.
Example IV：
Turbine trackability：Using lower motor 12 as load motor, and whirlpool to be tested is installed in lower turbine installation axle 26
Wheel, using upper motor 1 as controlled motor, adjustment upconverter is to control the rotating speed of top turbine installation axle 6, in upper turbine peace
Moushroom valve or nozzle on axle 6 are filled, to change flow regime of the fluid on turbine top.Moushroom valve or nozzle can synchronously turn with upper motor
Dynamic, fluid in moushroom valve or nozzle by flowing out, driving turbine rotation.Turbine only local location is rushed by fluid in the test pattern
Hit, the fluid stream out position in its top moushroom valve or nozzle changes with rotation, and turbine is with the position of top moushroom valve or nozzle
Change and move therewith, but there is necessarily delayed, its servo-actuated performance can turn the phase of torsion sensor output signal above and below
Difference reaction.
3D printing technique is coordinated to use, the influence factor of turbine performance includes turbine material, turbine geometrical model etc., wherein
Turbine geometrical model is mostly important to the influence of turbine performance.With the development of 3D printing technique, it can make now
The standby plastics turbine model with complex geometric models, available for the test of turbine geometrical model, to reduce conventional cast metal
The high disposable tool of turbine molds the waste of expense.The turbine test rig coordinates 3D printing turbine model, can be efficient and convenient
Ground obtains the experimental data of turbine, convenient that turbine geometrical model is adjusted and optimized, and verifies computer simulation emulation skill
Prediction of the art to turbine performance, so that the parameter to analog simulation is adjusted.So, the turbine test rig can be aided in effectively
The design research and development of turbine, shorten the R＆D cycle, effectively the development cost of reduction turbine.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of turbine test rig, it is characterised in that including turbine test device, the turbine test device is included from top to bottom
The first drive mechanism, turbine mechanism for testing and the second drive mechanism set gradually；
The turbine mechanism for testing includes fluid inlet, upper bush, turbine sleeve, lower sleeve and fluid issuing, and the fluid enters
Mouth, upper bush, turbine sleeve, lower sleeve and fluid issuing are interconnected to form a fluid passage, and the turbine can pass through whirlpool
Wheel installation axle is connected with the first drive mechanism and the second drive mechanism respectively；
The turbine test rig also includes the data collecting system for being used to gather turbo operating state data.
2. a kind of turbine test rig as claimed in claim 1, it is characterised in that the turbine installation axle is installed including upper turbine
Axle and lower turbine installation axle, one end of the turbine are connected by upper turbine installation axle with the first drive mechanism, the turbine
The other end is connected by lower turbine installation axle with the second drive mechanism.
3. a kind of turbine test rig as claimed in claim 1, it is characterised in that the turbine test device also sets up organic
It is provided with frame, the frame on the first horizontal support plate and the second horizontal support plate, first horizontal support plate and is provided with upper surface
Seat, lower surface seat is provided with second horizontal support plate, and the upper bush is fixedly connected with upper surface seat, the lower sleeve and
Lower surface seat is fixedly connected.
4. a kind of turbine test rig as claimed in claim 3, it is characterised in that be provided with cowling panel in the upper bush.
5. a kind of turbine test rig as claimed in claim 3, it is characterised in that the upper surface seat on the seat of lower surface with being all provided with
Steady for machine tool is equipped with, the axial location for adjusting fluid passage.
6. a kind of turbine test rig as claimed in claim 1, it is characterised in that the data collecting system is included in fluid and entered
Outlet pressure sensor and control valve that the inlet pressure sensor and the fluid outlet set at mouthful is set, for surveying
Measure the Fluid pressure of inlet and outlet.
7. a kind of turbine test rig as claimed in claim 2, it is characterised in that the data collecting system is included in the whirlpool
The annular arrangement pressure sensor set at wheel, the annular arrangement pressure sensor is arranged on turbine sleeve corresponding with turbine
On.
8. a kind of turbine test rig as claimed in claim 3, it is characterised in that first driving structure includes upper motor
And first shaft coupling, the upper motor is connected by first shaft coupling with upper turbine installation axle, and the upper turbine installation axle is worn
Cross upper surface seat and be connected with its bearing；
The top that the data collecting system includes being arranged between turbine installation axle and upper motor turns torsion sensor, is used for
Test the moment of torsion and rotating speed of turbine rotation.
9. a kind of turbine test rig as claimed in claim 3, it is characterised in that second driving structure includes lower motor
And second shaft coupling, the lower motor is connected by second shaft coupling with lower turbine installation axle, and the lower turbine installation axle is worn
Cross lower surface seat and be connected with its bearing；
The bottom that the data collecting system includes being arranged between lower turbine installation axle and lower motor turns torsion sensor, is used for
Test the moment of torsion and rotating speed of turbine rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105474.3U CN206479314U (en) | 2016-10-08 | 2016-10-08 | A kind of turbine test rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105474.3U CN206479314U (en) | 2016-10-08 | 2016-10-08 | A kind of turbine test rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479314U true CN206479314U (en) | 2017-09-08 |
Family
ID=59755598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621105474.3U Expired - Fee Related CN206479314U (en) | 2016-10-08 | 2016-10-08 | A kind of turbine test rig |
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| Country | Link |
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| CN (1) | CN206479314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370412A (en) * | 2016-10-08 | 2017-02-01 | 中国地质大学（北京） | Turbine test bed |
-
2016
- 2016-10-08 CN CN201621105474.3U patent/CN206479314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370412A (en) * | 2016-10-08 | 2017-02-01 | 中国地质大学（北京） | Turbine test bed |
| CN106370412B (en) * | 2016-10-08 | 2019-02-01 | 中国地质大学（北京） | A kind of turbine test rig |
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Granted publication date: 20170908 Termination date: 20191008 |