CN206463815U - Silt emulation experiment agitator arm - Google Patents
Silt emulation experiment agitator arm Download PDFInfo
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- CN206463815U CN206463815U CN201621478695.5U CN201621478695U CN206463815U CN 206463815 U CN206463815 U CN 206463815U CN 201621478695 U CN201621478695 U CN 201621478695U CN 206463815 U CN206463815 U CN 206463815U
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- blade
- impeller
- silt
- central shaft
- agitator arm
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Abstract
The silt emulation experiment agitator arm that the utility model is provided, it is a kind of water lubrication experiment agitator arm being applied under sediment environment, it is provided with the double helix belt impeller arranged from top to bottom and the separable blade wheel (5) with divergent function, both are coaxial, by central shaft (1) insertion；Dispersion impeller is additionally provided with, the dispersion impeller is connected with double helix belt impeller, junction is connected by friction shim (4) transition.The utility model mainly make use of the vortex of current to act on, and the silt of bottom of pond is repeated to stir, and refine sand grain in the continuous motion process of current, reduce unnecessary fretting wear.Research, reduction fretting wear for Water Lubrication Mechanism, reduction energy consumption have practicality, economy and social value.
Description
Technical field
The utility model devises a kind of authenticity for Study on Water Lubrication Mechanism, emulation river and marine environment, prevents
A kind of new silt emulation experiment agitator arm of the precipitation of bulky grain silt during only experiment is carried out.
Background technology
The mechanical basic parts such as metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing are particularly in machine driving
It is used widely in the mechanical devices such as ship, the hydraulic turbine, steam turbine, water pump.Water lubriucated bearing uses Novel engineering composite wood
Material substitutes precious metal as friction pair, with natural water substitute mineral oil as lubricant medium, by many curved surface circular arc straight-line grooves
Rubber alloy bushing and metal shell be combined into one, with coefficient of friction is small, wear-resisting, vibration damping, low noise, weight
Gently, the advantages of assembly and disassembly repair easy, insensitive to impact.It is combined with dynamic seal, the water lubrication for forming integration is moved
Sealed bearings, are effectively reduced or reduce friction, abrasion, vibration, impact, noise, nothing that various friction pairs produce by motion
The problems such as function consumption, poor reliability, short life and rudderpost greasy dirt are revealed, saves the strategy such as a large amount of oil plants and valuable non-ferrous metal
Resource, solves environment-friendly problem well.
In production and scientific research, it is desirable at home and abroad slided about being evaluated under experimental condition as defined in technical standard or specification
The mechanical basic part such as bearing, ring block, particularly metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing it is comprehensive
Can, i.e., water lubrication, oil lubrication, boundary lubrication, self-lubricating and dry friction etc. be special and extreme environmental conditions under, different loads,
Tested under the various operating modes such as speed, lubricant medium, temperature, time, the rotating speed of test test specimen, torque, temperature rise, friction are special
Property, experiment loading force, sealing property, PV values, the tribology combination property technical indicator such as dynamic rate and dynamic antivibration, for
The load characters of mechanical basic part such as metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing are understood exactly and dynamic
State military service behavior, sets up highly reliable low noise water lubricated rubber bearing system experimentation and appraisement system, helps scientific research technical staff
Carry out to metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing theoretical research, be conducive to sliding bearing, ring
Production, exploitation and the improvement of block.
But the combination property in current techniques for metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing is surveyed
Trial work section is not perfect enough, without can truly complete simulation metal slide bearing, water lubriucated bearing, water lubricating dynamic sealing bearing are real
The experimental system of border operating mode, particularly can not simulate water lubrication in true river or marine environment (especially sediment environment) very well
The water lubrication situation of bearing, so that bearing mechanism, lubrication mechanism and the abrasion of sliding bearing and ring block can not be grasped veritably
The rules such as mechanism.
Therefore, need to research and develop one kind can simulate with the sharp material such as sandstone and chemical attack material in river load environment,
With serious wear, corrosivity is high, the water lubrication silt agitator arm for the features such as convection intensity is big, for improving to metal slide
The properties test of the mechanical basic parts such as bearing, water lubriucated bearing, water lubricating dynamic sealing bearing, grasps water lubrication friction pair
The rule such as carrying and failure mechanism, tribological property and dynamic military service behavior, analyse in depth comprehensively composite characteristics, bearing and
Multifactor, the multi-level misfortune conjunction mechanism such as slide block structure shape, load change, operating rate, special and extreme environment are to machinery system
The influence of the dynamic military service behavior of system, to develop pollution-free, low noise, highly reliable, long-life, energy-efficient sliding bearing and ring
The tribology such as block mechanical basic part provides crucial scientific and technical foundation and test platform support.To develop the ship of green high-efficient,
Ship energy-saving and emission-reduction career development is accelerated to provide the theoretical foundation of science.
The content of the invention
Technical problem to be solved in the utility model is：In view of the shortcomings of the prior art mould can be emulated there is provided one kind
Intend, the silt emulation experiment agitator arm of water lubrication friction mechanism is tested and studied to hydrous water lubrication friction.
The utility model solves its technical problem using following technical scheme：
The silt emulation experiment agitator arm that the utility model is provided, is a kind of water lubrication examination being applied under sediment environment
Agitator arm is tested, it is provided with the double helix belt impeller arranged from top to bottom and the separable blade wheel with divergent function, two
Person is coaxial, by central shaft insertion；Be additionally provided with dispersion impeller, the dispersion impeller is connected with double helix belt impeller, junction by
Friction shim transition is connected.
Described double helix belt impeller is decrement shape impeller, and its section is triangle, and base thickness is 5mm, hurricane band
Converging angles are 60 °, and single-screw band is rotated by 360 ° around center-pole；It is provided with central shaft, will by the central shaft hole of dispersion impeller
The blade series winding of whole double helix belt impeller, helical ribbon impellers are formed by micron order silicon carbide micro-powder sintering.
Described central shaft is cased with central shaft tube, and the blade being attached thereto is equipped with the both sides of the central shaft tube and is fixed
Bar, the length of three fix bars is different；The blade fix bar is fixed with blade, is left-handed ribbon blade and dextrorotation ribbon respectively
Blade；The left-handed ribbon that central shaft tube is arranged from top to bottom is 60 ° with the cambered surface angle of throat of dextrorotation ribbon two, is fixed by three groups of blades
Bar maintains blade to fix, it is ensured that intensity, single-screw band is rotated by 360 ° around center-pole, and central siphon is hollow-core construction, and its hollow section is
Axle center axis hole.
Described central shaft, its cross section is axle centered on circular strip central shaft bond structure, the bottom of the central shaft
The Screw hole structure of screw thread.
Described dispersion impeller, its center is provided with central shaft hole, and the outside of the central shaft hole is provided with the first distribution blade, this point
It is in 45 ° to dissipate blade with scattered panel surface, is distributed in dispersion impeller both sides；Dispersion impeller outermost is 6 and uniform removable stirred
Blade is mixed, the two is fixed with screw by screw.
Described removable stirring vane, its length is the 1/4 of dispersion impeller diameter；The blade and dispersion impeller are by micron order
Silicon carbide micro-powder sintering is formed.
The exterior contour of axostylus axostyle centered on described friction shim, its center, the master of its diameter and double helix belt impeller
Axle, dispersion impeller boss axle diameter it is identical.
Described removable stirring vane, it is by a piece of fixation bottom plate for carrying two screws and a piece of has certain radian
Blade composition, be vertical stratification between fixed bottom plate and blade；The removable stirring vane is arranged on removable distribution blade
On wheel.
Described removable distribution blade wheel, it is provided with the boss for the central shaft tube for being used to connect double helix belt impeller,
The second distribution blade is additionally provided with, second distribution blade is used for the bulky grain silt that dispersing and disintegrating bottom of gullet is deposited, while
Certain stirring action is played to bottom sediment.The impeller is installed by 6 detachable curved surface buckets and fixed, in the middle part of blade wheel
The distribution blade that uniform positive and negative is spaced apart, above-mentioned blade wheel is formed by micron order carborundum sintering.
Described central shaft tube, it is provided with the connection boss for being used for connecting boss, between the two by friction shim transition.
The utility model can coordinate the hydrodynamic lubrication testing machine using sliding friction and the axially loaded form of servo electric jar,
At home and abroad about under experimental condition as defined in technical standard or specification for evaluation be metal slide bearing, water lubriucated bearing,
The combination property of the mechanical basic parts such as water lubricating dynamic sealing bearing plays the role of to promote to improve, i.e., on water lubrication, oil lubrication, border
Lubrication, self-lubricating and dry friction etc. are special with extreme environmental conditions, preventing contamination precipitation, the true lubricant environment of analog simulation,
Tested under the various operating modes such as different loads, speed, lubricant medium, temperature, time, promote the research of Water Lubrication Mechanism.
The utility model compared with prior art, with following main beneficial effect：
1. the impeller (1) of pair helical-ribbon type will be pushed when high speed rotates under the less current direction of top silt content, tapered
Under the stirring of double ribbon blades (4) of formula drives so that current form downward vortex, and silt under gravity, focuses mostly on
In bottom of gullet, under downward flow action, the circulation of current is as shown in figure 11 above and below formation in tank, it is ensured that mud in current
The uniformity of husky content, simulates real river load environment.By experiment, whether impeller is used before and after contrast, extract experiment
The silt water sample 10g (sample mean silt content 5%) of tank FX, Sediment quality contrast such as table 1 below after drying.
Table 1 uses water sample sediment charge table before and after impeller stirring
| Arsenicbearing gold ores sample quality (g) | Sediment quality (g) after drying | Sample drawn sediment charge | |
| Impeller stirring is not used | 10.000 | 0.293 | 2.93% |
| Stirred using impeller | 10.000 | 0.408 | 4.08% |
2. the agitator arm (9) with peptizaiton can refine sand grain, agitator arm silt in the course of the work
With vortex, segmentation refines bulky grain silt in the presence of distribution blade (7), prevents bulky grain severe friction or blocks
Bearing, reduces the fretting wear to test device, while detachable impeller (6), can change position according to different operating modes
Or choose whether to install, improve the controllability of experiment.
3. easy to use in test, without operation, the rotating speed of agitator arm is identical with sample rotation rate, it is ensured that process of the test
The stability of rotating speed, it is consistent with selling disk sample in experiment additionally, due to the direction of rotation of impeller, and pin disk sample installation position set
In the underface of impeller, the abrasion between impeller and pin disk is prevented.
4. because the installation of silt agitator arm is succinct, using reliable, thus the complicated knot of integral design can be avoided
Structure, and 6 detachable impellers are light, install also very easy.
Brief description of the drawings
Fig. 1 is the overall installation diagram of double helix belt impeller.
Fig. 2 is the structural representation of double helix belt impeller.
Fig. 3 is Fig. 2 left view.
Fig. 4 is the structural representation of the separable blade wheel with divergent function.
Fig. 5 is Fig. 4 left view.
Fig. 6 is the structural representation of removable impeller.
Fig. 7 is Assembly linking graph.
Fig. 8 is the structural representation of friction shim.
Axostylus axostyle profile centered on Fig. 9.
Figure 10 is Fig. 9 left view.
Figure 11 is that current move towards figure in tank.
In figure：1. central shaft, 2. central shaft tubes, 3. left-handed ribbon blades, 4. friction shims, 5. removable distribution blades
Wheel, 6. pin plate mat pieces, 7. fixing nuts, 8. blade fix bars, 9. dextrorotation ribbon blades, 10. first distribution blades, 11. is removable
Formula stirring vane, 12. pin disks, 13. connection boss, 14. central shaft holes, 15. screws, 16. boss, 17. second distribution blades,
18. central axle threads, 19. center axle keys.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail.
The silt emulation experiment agitator arm that the utility model is provided is a kind of water lubrication examination being applied under sediment environment
Agitator arm is tested, as shown in figure 1, silt emulation agitator arm is from top to bottom provided with double helix belt impeller, dispersion impeller, removable
Formula stirring vane 11, pin plate mat piece 6, pin disk 12, fixing nut 7, are connected by the insertion of central shaft 1, and by the transition of friction shim 4
Together.
As shown in Figure 2 and Figure 3, provided with central shaft tube 2, its both sides arranges blade and fixed described double helix belt impeller
Bar 8, both sides fix bar has the blade fix bar of three different lengths, respectively 100mm, 60mm, 35mm length.Blade fix bar
Left-handed ribbon blade 3 and dextrorotation ribbon blade 9 are fixed with, will not be deformed in running at high speed because of the resistance of current,
Ensure the intensity of the double ribbon blades of left-handed in high-speed rotation and dextrorotation.Double helix belt impeller is decrement shape impeller, its
Section is triangle, and base thickness is 5mm, and hurricane band converging angles are 60 °, and single-screw band is rotated by 360 ° around center-pole.Center
Axostylus axostyle 1 is contacted whole double helix belt impeller by central shaft hole 14, and helical ribbon impellers are burnt by micron order silicon carbide micro-powder
Knot is formed.
As shown in Figure 4, Figure 5, the center of the dispersion impeller is provided with central shaft hole 14 to described dispersion impeller, passes through central shaft 1
Dispersion impeller is connected with above-mentioned double helix belt impeller, coupling part is to avoid the spin friction between two parts, added
Friction shim 4 reduces mutual fretting wear.The outside of central shaft hole 14 is the first distribution blade 10, the distribution blade and dispersion impeller
Surface is in 45 °, is distributed in dispersion impeller both sides, it is ensured that the sand grain of both sides can be evenly dispersed.Dispersion impeller outermost
For 6 uniform removable stirring vanes 11, the two is fixed with screw by screw 15；Uniform removable stirring vane can be pressed
According to the requirement dismounting of actual tests, and the direction of double helix belt impeller can control the big of current according to actual requirement installation
Small, removable stirring vane length is the 1/4 of dispersion impeller diameter.The blade and dispersion impeller are sintered by micron order silicon carbide micro-powder
Form.
As shown in Figure 9, Figure 10, its cross section is the structure of circular strip center axle key 19 to the structure of the central shaft 1, in this
The Screw hole structure of axle thread 18 centered on the bottom of mandrels stem.
The structure of described friction shim 4 as shown in figure 8, centered on the center of the pad axostylus axostyle 1 exterior contour, pad
The main shaft of diameter and double helix belt impeller, dispersion impeller boss axle diameter it is identical.
The structure of described removable stirring vane 11 is as shown in fig. 6, it is by a piece of fixation bottom plate for carrying two screws
It is vertical stratification between fixed bottom plate and blade with a piece of blade composition with certain radian.The removable stirring vane 11
On removable distribution blade wheel 5.
The removable distribution blade wheel 5 is equipped with boss 16, and the boss is used for the central shaft tube 2 for connecting double-helix impeller,
Centre is connected by friction shim 4 as transition, is prevented in the impeller course of work, and central shaft tube weares and teares with impeller generating means.
The removable distribution blade wheel 5 is also equipped with the second distribution blade 17, and second distribution blade 17 is used for scattered thin
Change the bulky grain silt of bottom of gullet deposition, while also playing certain stirring action to bottom sediment.
There is connection boss 13 in the central shaft tube 2 of double ribbon impellers, the connection boss is used to connect removable distribution blade
Boss 16 on wheel 5, between the two by the transition of friction shim 4.
The special silt agitator arm of water lubrication pin on disk test that the utility model is provided, its course of work is as follows：
(1) water lubrication wear test pin disk and installation are loaded：
The pin disk 12 is one of test parts, is the diameter 100mm processed according to the performance of test material, thick
Axis hole 14 centered on 10mm rosette, pin disk center.
As shown in figure 1, the position of pin disk is positioned at the bottom of whole agitator arm, the mounting pin plate mat piece 6 under dispersion impeller,
Mounting pin disk, sells plate mat piece for sheet metal immediately, and axis hole centered on center, the connection of central shaft 1 runs through agitator arm and pin
Disk, pin tray bottom is fixed by nut.
(2) course of work of agitator arm：
Whole agitator arm is coaxial configuration, and insertion, one end connection motor of central shaft 1, electricity are connected by central shaft 1
Machine, which is rotated, drives central shaft, and central shaft drives agitator arm rotation, and power is provided for agitator arm work.Double helix belt
Impeller in operation process, double ribbon blades 3 drive a large amount of current on tops toward the silt being centrally formed in whirlpool, current due to
The centrifugal action of whirlpool is to edge-diffusion.Removable dispersion impeller 5 breaks up the whirlpool on top in operation, the mud of concentration
Sand is refined in the presence of distribution blade 10, and from the presence of the blade of removable dispersion impeller 5 to above and below tank
Direction is moved, and the silt in tank is sufficiently stirred under the circulation of current.
Claims (10)
1. a kind of silt emulation experiment agitator arm, it is characterized in that a kind of water lubrication experiment paddle being applied under sediment environment
Wheel, it is provided with the double helix belt impeller arranged from top to bottom and the separable blade wheel (5) with divergent function, Liang Zhetong
Axle, by central shaft (1) insertion；Dispersion impeller is additionally provided with, the dispersion impeller is connected with double helix belt impeller, and junction is by rubbing
Scrubbing pad piece (4) transition is connected.
2. silt emulation experiment agitator arm according to claim 1, it is characterised in that described double helix belt impeller
For decrement shape impeller, its section is triangle, and base thickness is 5mm, and hurricane band converging angles are 60 °, and single-screw band is around center
Bar is rotated by 360 °；It is provided with central shaft (1), by the central shaft hole (14) of dispersion impeller by the leaf of whole double helix belt impeller
Piece is contacted, and helical ribbon impellers are formed by micron order silicon carbide micro-powder sintering.
3. silt emulation experiment agitator arm according to claim 2, it is characterised in that described central shaft (1) is cased with
Central shaft tube (2), the blade fix bar (8) being attached thereto, the length of three fix bars are equipped with the both sides of the central shaft tube
It is different；The blade fix bar is fixed with blade, is left-handed ribbon blade (3) and dextrorotation ribbon blade (9) respectively；Central shaft tube
(2) the left-handed ribbon arranged from top to bottom is 60 ° with the cambered surface angle of throat of dextrorotation ribbon two, is maintained by three groups of blade fix bars (8)
Blade is fixed, it is ensured that intensity, and single-screw band is rotated by 360 ° around center-pole, and central siphon is hollow-core construction, and its hollow section is axle center axle
Hole (14).
4. silt emulation experiment agitator arm according to claim 2, it is characterised in that described central shaft (1), its
Cross section is the Screw hole structure of axle thread (18) centered on circular strip center axle key (19) structure, the bottom of the central shaft.
5. silt emulation experiment agitator arm according to claim 1, it is characterised in that described dispersion impeller, its center is set
There is central shaft hole (14), the outside of the central shaft hole is provided with the first distribution blade (10), and the distribution blade is in scattered panel surface
45 °, it is distributed in dispersion impeller both sides；Dispersion impeller outermost is 6 uniform removable stirring vanes (11), and the two uses screw
It is fixed by screw (15).
6. silt emulation experiment agitator arm according to claim 5, it is characterised in that described removable stirring vane,
Its length is the 1/4 of dispersion impeller diameter；The blade and dispersion impeller are formed by micron order silicon carbide micro-powder sintering.
7. silt emulation experiment agitator arm according to claim 5, it is characterised in that described friction shim (4), its
The exterior contour of axostylus axostyle (1) centered on center, its diameter and the main shaft of double helix belt impeller, the diameter phase of dispersion impeller boss axle
Together.
8. silt emulation experiment agitator arm according to claim 5, it is characterised in that described removable stirring vane
(11), it is made up of a piece of fixation bottom plate and a piece of blade with certain radian for carrying two screws, fixed bottom plate and leaf
It is vertical stratification between piece；The removable stirring vane (11) is arranged on removable distribution blade wheel (5).
9. silt emulation experiment agitator arm according to claim 8, it is characterised in that described removable distribution blade
Take turns (5), it is provided with the boss (16) for the central shaft tube (2) for being used to connect double helix belt impeller, is additionally provided with the second distribution blade
(17), second distribution blade (17) is used for the bulky grain silt that dispersing and disintegrating bottom of gullet is deposited, while also to bottom sediment
Play certain stirring action；The impeller is installed by 6 detachable curved surface buckets (11) and fixed, uniform in the middle part of blade wheel
The distribution blade (10) that positive and negative is spaced apart, above-mentioned blade wheel is formed by micron order carborundum sintering.
10. silt emulation experiment agitator arm according to claim 9, it is characterised in that described central shaft tube (2), its
Provided with the connection boss (13) for connecting boss (16), between the two by friction shim (4) transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478695.5U CN206463815U (en) | 2016-12-30 | 2016-12-30 | Silt emulation experiment agitator arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478695.5U CN206463815U (en) | 2016-12-30 | 2016-12-30 | Silt emulation experiment agitator arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206463815U true CN206463815U (en) | 2017-09-05 |
Family
ID=59712646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478695.5U Expired - Fee Related CN206463815U (en) | 2016-12-30 | 2016-12-30 | Silt emulation experiment agitator arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206463815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019134449A1 (en) * | 2019-12-16 | 2021-06-17 | Werner Baier | Agitator |
-
2016
- 2016-12-30 CN CN201621478695.5U patent/CN206463815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019134449A1 (en) * | 2019-12-16 | 2021-06-17 | Werner Baier | Agitator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20181230 |