CN206146621U - A rack for hydraulic machinery model test - Google Patents
A rack for hydraulic machinery model test Download PDFInfo
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- CN206146621U CN206146621U CN201621118457.3U CN201621118457U CN206146621U CN 206146621 U CN206146621 U CN 206146621U CN 201621118457 U CN201621118457 U CN 201621118457U CN 206146621 U CN206146621 U CN 206146621U
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- stand
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- collar tie
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Abstract
The utility model provides a rack for hydraulic machinery model test, satisfies different kinds, the test requirement of the hydraulic model test unit of isostructure, different functions not, has high accuracy, high stability, multi -functional, nimble installation, the convenient to use characteristics, constitute with support holder, frame layer support, hydrostatic bearing support, lift set -up, unit support, 6 pre -buried basic parts of concrete including fixed. Wherein use the lead screw, sliding rail structure has realized three -dimensional direction distance greatly, electrodeless accurate adjustable length, the precision is 1cm, wherein at vertical direction distance adjustment 0 greatly 1m, thereby satisfy the inlet outlet position of various model units and the connection request of upstream and downstream water tank, support installation hydrostatic bearing, reduce the influence of the measured value of model unit bearing and mechanical seal's friction pair model unit moment, improve moment measuring sensitivity, and then the precision of improvement hydraulic machinery model test platform, there are enough intensity and load, rack mountable measurement of power motor, does hoist and mount model unit amount to load 0 3 the ton, and whole test bench is not transmitted in the vibration of assurance test in -process, guarantee model test's safety and stability, good repeatability.
Description
Technical field
The invention belongs to hydraulic experimental technique field, more particularly to a kind of platform suitable for hydraulic model test
Frame.
Background technology
The model hydraulic performance test of hydraulic is a particularly important means for correctly designing hydraulic, and it can be carried
For the full characterization data of hydraulic, hydraulic model test is the main method of current Hydraulic Power Unit performances acceptance, water
Power mechanistic model testing stand is played a very important role in hydraulic industry development, and it is hydraulic machine group performance optimization
Visual plant.In high precision, the hydraulic rig for model test of high stability is large-scale hydraulic manufacture, R ＆ D Enterprises or religion
The indispensable basis of, R＆D institution.
Hydraulic is of many uses, therefore its species, structure, function be varied, its model test requires also each not phase
Together.Model unit is the core component of hydraulic rig for model test, is the main object that testing stand is measured, and model unit includes
But it is not limited to：The water turbine set of different structure is (for example：Mixed-flow, axial-flow type, tubular etc.)；The blade water pump of different structure
(for example：Centrifugal, axial-flow type, mixed-flow, tubular etc.)；Pump turbine；Hydraulic transient process test model；Water conservancy project
Building model, hydraulic model, Flow Meter's Demarcation etc..Therefore in hydraulic model test, variety classes, difference are met
The test requirements document of structure, the hydraulic model test unit of difference in functionality, heavy load, high-precision lifting hydraulic model unit platform
Frame is key equipment.
Build hydraulic model test platform dozens of both at home and abroad at present, lifting hydraulic model unit stand respectively has deficiency.
For example:Hydraulic model unit relative position is fixed, tests adjustment capability deficiency, based on single-point regulation；Functional coverage type has
Limit, expansibility is not strong；Do not support that hydrostatic bearing is installed, reduce torgue measurement sensitivity；Intensity and underloading, cause test
Process vibrations are delivered to whole testing stand etc..
In sum, it would be desirable to a kind of platform of the electrodeless adjustable hydraulic model test of heavy load, multifunction three-dimensional
Frame, meets variety classes, different structure, the test requirements document of the hydraulic model test unit of difference in functionality so as to high accuracy,
High stability, multi-functional, flexible installation, are easy to use feature.
The content of the invention
The purpose of the present invention is a kind of stand for hydraulic model test of design, is met：(1) three-dimensional is electrodeless
Adjustment size, so as to meet the intake-outlet position of various model units and the connection request of upstream and downstream water tank, flexibly installs, just
In using；(2) support that hydrostatic bearing is installed, reduce survey of the friction of model unit bearing and mechanical seal to model unit torque
The impact of value, improves torgue measurement sensitivity, and then improves the precision of hydraulic rig for model test；(3) with sufficiently strong
Degree and load, stand can install dynamometer motor, lifting model unit, and vibration is not delivered to whole test during guarantee test
Platform, this is also the safety and stability of model test, reproducible important foundation.To meet above-mentioned technical requirements, the skill of the present invention
Art scheme is as follows：
A kind of stand for hydraulic model test, the stand include it is fixed with supporting support, frame layer support,
Hydrostatic bearing bearing, lifting assembly, machine unit support, concrete embedded basis；
The fixation is with supporting support by 4 stainless steel columns, stand layer collar tie beam, stand layer checkered steel plate, column stand
Layer snap ring, column root snap ring composition, wherein：Column root snap ring is locked in Stainless Steel column root by bolt nut structure
Portion, column root snap ring is connected with the concrete embedded base solder of hydraulic model test platform, and column stand layer snap ring passes through bolt
Nut structure is locked in rustless steel column top, and stand layer collar tie beam is placed on column stand layer snap ring, and is tied by bolt and nut
Structure is fixed, and stand layer checkered steel plate is welded on stand layer collar tie beam；
The frame layer support by pole press rack-layer snap ring, interior crossbeam link arm, outer crossbeam link arm, 2 frame layer collar tie beams, 2
Root frame layer guard beam is constituted, wherein：Pole press rack-layer snap ring is fastened by bolt nut structure with stainless steel column, but is not locked
Extremely, the outer crossbeam link arm of interior crossbeam link arm is placed on pole press rack-layer snap ring, and is fixed by bolt nut structure, frame layer collar tie beam
Clamped with outer crossbeam link arm by interior crossbeam link arm, fixed by bolt and nut, guard beam is connected by bolt nut structure with interior crossbeam
Arm, outer crossbeam link arm is connected；
The hydrostatic bearing bearing is made up of lower shoe, upper supporting plate, intermediate support beam, knife rest bearing, wherein：Lower shoe with
Frame layer collar tie beam is connected, and is bolted, and upper supporting plate, intermediate support beam are used to support hydrostatic bearing and dynamometer machine, knife rest
Bearing arrangement is connected with stand layer collar tie beam, for connecting hydrostatic bearing measurement counterweight；
The lifting assembly is made up of worm gear, worm screw, and worm gear is furnished with handle or motor, and wherein worm gear is fixedly installed in platform
On rack-layer collar tie beam, worm screw is connected with frame layer collar tie beam by screw thread；
The machine set frame is made up of upper flange, lower flange, cylinder, and wherein upper flange is used with hydrostatic bearing bearing lower shoe
Bolt nut structure connects, and lower flange is connected with model unit with bolt nut structure, and cylinder is with upper flange, lower flange by weldering
Connect in succession, model unit is connected with hydrostatic bearing, dynamometer machine by shaft coupling.
, in vertical direction, after unclamping pole press rack-layer snap ring, lifting assembly is accurate by worm gear structure for the stand
Adjustment model unit upper-lower height, hydrostatic bearing bearing lower shoe and frame layer collar tie beam junction, before and after frame layer collar tie beam has
Direction slide rail, and scale is provided with, hydrostatic bearing bearing lower shoe has left and right directions slide rail, and is provided with scale, unclamps frame layer
Collar tie beam and hydrostatic bearing bearing lower shoe connecting bolt, hydrostatic bearing bearing can be moved precisely around, and then adjust model
Before and after unit, right position, and finally realize that the three-dimensional of lifting model unit is mobile.
The machine set frame can be changed according to model unit form.
The stand layer collar tie beam, frame layer collar tie beam, frame layer guard beam have higher-strength, higher load are undertaken, in model
Can be used as lifting suspension during units' installation.
The stand layer collar tie beam, frame layer collar tie beam, hydrostatic bearing bearing intermediate support beam all open sky in side-walls, for trying
Test lifting measuring apparatus.
, just to the pre-buried iron block in lower section, prop up to be connected and support in stainless steel column on the concrete embedded basis
Frame, it is ensured that in process of the test vibration be not delivered to whole testing stand, below machine set frame it is pre-buried with around it is two-way can
The cast iron platform of tune.
The stand fore-and-aft direction, left and right directions are symmetrical structure.
Advantage of the present invention and good effect are：
(1) using leading screw, rail structure realize three-dimensional can distance, electrodeless accurate adjustment size greatly, precision is
1cm, wherein distance 0-1m can be adjusted greatly in vertical direction, so as to meet intake-outlet position and the upstream and downstream of various model units
The connection request of water tank；(2) support that hydrostatic bearing is installed, reduce the friction of model unit bearing and mechanical seal to model unit
The impact of the measured value of torque, improves torgue measurement sensitivity, and then improves the precision of hydraulic rig for model test；(3) have
There are sufficient intensity and load, stand can install dynamometer motor, lifting model unit and amount to load 0-3 tons, and guarantee test process
Middle vibration is not delivered to whole testing stand, it is ensured that the safety and stability of model test, reproducible.
Description of the drawings
Fig. 1 model units stand three-dimensional general assembly drawing.
Fig. 2 hydrostatic bearing bearing graphics
Fig. 3 machine set frame sectional views
Specific embodiment
Below in conjunction with the accompanying drawings 1-3 to the present invention principle and be embodied as being further described.
A kind of stand for hydraulic model test, stand includes fixed and supporting support, frame layer support, static pressure
Bearing spider, lifting assembly, machine unit support, concrete embedded basic 6 part composition.
Fixed and supporting support is by 4 stainless steel columns 9, stand layer collar tie beam 1, stand layer checkered steel plate 2, column stand layer
Snap ring 11, column root snap ring 8 are constituted.Its central post root snap ring 8 is locked in Stainless Steel column root by bolt nut structure
Portion, column root snap ring 8 is connected with concrete embedded base solder；Column stand layer snap ring 11 is locked by bolt nut structure
In rustless steel column top, stand layer collar tie beam 1 is placed on column stand layer snap ring 11, and is fixed by bolt nut structure；Platform
Rack-layer checkered steel plate 2 is welded on stand layer collar tie beam 1, is easy to operator's action, operation stand.
Frame layer support is by pole press rack-layer snap ring 10, interior crossbeam link arm 3,5,2 frame layer collar tie beams 7,2 of outer crossbeam link arm
Root frame layer guard beam 4 is constituted.Wherein pole press rack-layer snap ring 10 is fastened by bolt nut structure with stainless steel column, but is not locked
Extremely, interior crossbeam link arm 3 is placed on pole press rack-layer snap ring 10 with outer crossbeam link arm 5, and is fixed by bolt nut structure, frame
Layer collar tie beam 7 is clamped by interior crossbeam link arm 3 with outer crossbeam link arm 5, is fixed by bolt and nut；Guard beam 4 passes through bolt nut structure
With interior crossbeam link arm 3, outer crossbeam link arm 5 be connected, strengthen frame layer support intensity.
Hydrostatic bearing bearing is made up of lower shoe 15, upper supporting plate 14, intermediate support beam 17, knife rest bearing 18.Wherein go to the bottom
Plate 15 is connected with frame layer collar tie beam 7, and is bolted；Upper supporting plate 14, intermediate support beam 17 be used for support hydrostatic bearing with
Dynamometer machine；Knife rest bearing 18 is connected with stand layer collar tie beam 1, for connecting hydrostatic bearing measurement counterweight, meets installation with this quiet
Impact of the friction of the needs that last item holds, reduction model unit bearing and mechanical seal to the measured value of model unit torque, carries
High torque measurement sensitivity, and then improve the precision of hydraulic model test platform.
By worm gear 12-1, worm screw 12-2 combinative structurees, 12-1 is furnished with handle (or motor) 13 to lifting assembly at worm gear, wherein
Worm gear 12-1 is fixedly installed in stand layer collar tie beam 1, and worm screw 12-2 is connected with frame layer collar tie beam 7 by screw thread.
Machine set frame 6 is made up of upper flange 19, lower flange 20, cylinder 21, wherein under upper flange 19 and hydrostatic bearing bearing
Base plate 15 is using bolt nut structure connection, lower flange 20 and model unit application bolt nut structure, cylinder 21 and upper flange
19th, by being welded to connect, model unit is connected lower flange 20 with hydrostatic bearing, dynamometer machine by shaft coupling.
In vertical direction, after unclamping pole press rack-layer snap ring 10, lifting assembly passes through the stand of hydraulic model test
Worm gear 12-1, worm screw 12-2, handle (or motor) 13 precisely adjust the upper-lower position of frame layer collar tie beam 7, and precision is 1cm, and then
Adjustment model unit upper-lower height, range of accommodation is 0-1m；Hydrostatic bearing bearing lower shoe 15 and the junction of frame layer collar tie beam 7,
Frame layer collar tie beam 7 has fore-and-aft direction slide rail, and is provided with scale, hydrostatic bearing bearing lower shoe 15 with left and right directions slide rail,
And scale is provided with, and frame layer collar tie beam 7 and the connecting bolt 16 of hydrostatic bearing bearing lower shoe 15 are unclamped, hydrostatic bearing bearing can be in machine
Precisely move around rack-layer support, precision is 1cm, before and after range of accommodation 0-1m, and then adjustment model unit, left and right position
Put, and finally realize that the three-dimensional of lifting model unit is mobile, with this meet the intake-outlet position of various model units with it is upper and lower
The connection request of swimming case.
Machine set frame 6 can be changed according to model unit form.
Stand layer collar tie beam 1, frame layer collar tie beam 7, frame layer guard beam 4 have higher-strength, undertake higher load, and stand can pacify
Dress dynamometer motor, lifting model unit amounts to load 0-3 tons, while can be used as hoisting bracket in model units' installation.
Frame layer collar tie beam 7, hydrostatic bearing bearing intermediate support beam 17 all open sky in side-walls, set for test lifting measurement
It is standby；
Concrete embedded basis, just to the pre-buried iron block in lower section, to be connected and supporting support, is protected in stainless steel column 9
Vibration during confirmatory test is not delivered to whole testing stand, pre-buried bilaterally adjustable with around below machine set frame 6
Cast iron platform.
Stand fore-and-aft direction, left and right directions are symmetrical structure.
In sum originally, invention advantage and good effect are：
(1) using leading screw, rail structure realize three-dimensional can distance, electrodeless accurate adjustment size greatly, precision is
1cm, wherein distance 0-1m can be adjusted greatly in vertical direction, so as to meet intake-outlet position and the upstream and downstream of various model units
The connection request of water tank；(2) support that hydrostatic bearing is installed, reduce the friction of model unit bearing and mechanical seal to model unit
The impact of the measured value of torque, improves torgue measurement sensitivity, and then improves the precision of hydraulic rig for model test；(3) have
There are sufficient intensity and load, stand can install dynamometer motor, lifting model unit and amount to load 0-3 tons, and guarantee test process
Middle vibration is not delivered to whole testing stand, it is ensured that the safety and stability of model test, reproducible.
Finally it should be noted that：Below only to illustrate technical scheme, rather than a limitation；Although with reference to tool
Body embodiment has been described in detail to the present invention, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each specific embodiment to modify, or equivalent is carried out to which part technical characteristic；
And these modifications or replacement, do not make appropriate technical solution depart from the spirit and model of specific embodiment of the invention technical scheme
Enclose.
Claims (7)
1. a kind of stand for hydraulic model test, the stand is located at hydraulic rig for model test upstream and downstream water pot
Between, it is characterised in that：Including it is fixed with supporting support, frame layer support, hydrostatic bearing bearing, lifting establishments, machine unit support, mix
Solidifying soil embedded foundation 6 part composition；
The fixation is with supporting support by 4 stainless steel columns, stand layer collar tie beam, stand layer checkered steel plate, column stand layer card
Ring, column root snap ring composition, wherein：Column root snap ring is locked in Stainless Steel column root by bolt nut structure, stands
Post root snap ring is connected with the concrete embedded base solder of hydraulic model test platform, and column stand layer snap ring is tied by bolt and nut
Structure is locked in rustless steel column top, and stand layer collar tie beam is placed on column stand layer snap ring, and is fixed by bolt nut structure,
Stand layer checkered steel plate is welded on stand layer collar tie beam；
The frame layer support is by pole press rack-layer snap ring, interior crossbeam link arm, outer crossbeam link arm, 2 frame layer collar tie beams, 2 machines
Rack-layer guard beam is constituted, wherein：Pole press rack-layer snap ring is fastened by bolt nut structure in stainless steel column, but not locked, interior
The outer crossbeam link arm of crossbeam link arm is placed on pole press rack-layer snap ring, and is fixed by bolt nut structure, and frame layer collar tie beam is by interior
Crossbeam link arm is clamped with outer crossbeam link arm, is fixed by bolt and nut, and guard beam passes through bolt nut structure and interior crossbeam link arm, outward
Crossbeam link arm is connected；
The hydrostatic bearing bearing is made up of lower shoe, upper supporting plate, intermediate support beam, knife rest bearing, wherein：Lower shoe and frame
Layer collar tie beam is connected, and is bolted, and upper supporting plate, intermediate support beam are used to support hydrostatic bearing and dynamometer machine, knife rest bearing
Structure is connected with stand layer collar tie beam, for connecting hydrostatic bearing measurement counterweight；
The lifting is set up by worm and gear combinative structure, is furnished with handle or motor at worm gear, and wherein worm gear arrangement fixes peace
Loaded on stand layer collar tie beam, worm structure is connected with frame layer collar tie beam by screw thread；
The machine set frame is made up of upper flange, lower flange, cylinder, wherein upper flange and hydrostatic bearing bearing lower shoe application spiral shell
The connection of bolt nut structure, lower flange and model unit application bolt nut structure, cylinder is with upper flange, lower flange by the company of welding
Connect, model unit is connected with hydrostatic bearing, dynamometer machine by shaft coupling.
2. a kind of stand for hydraulic model test according to claim 1, it is characterised in that：In vertically side
To after unclamping pole press rack-layer snap ring, lifting assembly precisely adjusts model unit upper-lower height, static pressure by worm gear structure
Bearing spider lower shoe and frame layer collar tie beam junction, frame layer collar tie beam has fore-and-aft direction slide rail, and is provided with scale, static pressure axle
Hold bearing lower shoe and there is left and right directions slide rail, and be provided with scale, unclamp frame layer collar tie beam and connect with hydrostatic bearing bearing lower shoe
Connecting bolt, hydrostatic bearing bearing can be moved precisely around, and then be adjusted before and after model unit, right position, and final real
The three-dimensional for now lifting model unit is mobile.
3. a kind of stand for hydraulic model test according to claim 1, it is characterised in that：Machine set frame can
Changed according to model unit form.
4. a kind of stand for hydraulic model test according to claim 1, it is characterised in that：Stand layer circle
Beam, frame layer collar tie beam, frame layer guard beam have the intensity of load 0-3 tons, can be used as lifting suspension in model units' installation.
5. a kind of stand for hydraulic model test according to claim 1, it is characterised in that：Stand layer circle
Beam, frame layer collar tie beam, hydrostatic bearing bearing intermediate support beam all open sky in side-walls, for test lifting measuring apparatus.
6. a kind of stand for hydraulic model test according to claim 1, it is characterised in that：The concrete
Embedded foundation in stainless steel column just to the pre-buried iron block in lower section, to be connected and supporting support, it is ensured that shake in process of the test
It is dynamic to be not delivered to whole testing stand, the pre-buried bilaterally adjustable cast iron platform with around below machine set frame.
7. according to a kind of stand for hydraulic model test described in claim 1, it is characterised in that：Stand front and back
It is symmetrical structure to, left and right directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118457.3U CN206146621U (en) | 2016-10-12 | 2016-10-12 | A rack for hydraulic machinery model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118457.3U CN206146621U (en) | 2016-10-12 | 2016-10-12 | A rack for hydraulic machinery model test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146621U true CN206146621U (en) | 2017-05-03 |
Family
ID=58620986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118457.3U Withdrawn - After Issue CN206146621U (en) | 2016-10-12 | 2016-10-12 | A rack for hydraulic machinery model test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441799A (en) * | 2016-10-12 | 2017-02-22 | 清华大学 | Bench applied to hydraulic machinery model test |
-
2016
- 2016-10-12 CN CN201621118457.3U patent/CN206146621U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441799A (en) * | 2016-10-12 | 2017-02-22 | 清华大学 | Bench applied to hydraulic machinery model test |
| CN106441799B (en) * | 2016-10-12 | 2019-01-18 | 清华大学 | A kind of rack for hydraulic model test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20190118 |
|
| AV01 | Patent right actively abandoned |