CN104794965B - Liquid surface stress determination experimental platform - Google Patents
Liquid surface stress determination experimental platform Download PDFInfo
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- CN104794965B CN104794965B CN201510253063.2A CN201510253063A CN104794965B CN 104794965 B CN104794965 B CN 104794965B CN 201510253063 A CN201510253063 A CN 201510253063A CN 104794965 B CN104794965 B CN 104794965B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
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Abstract
The invention relates to a liquid surface stress determination experimental platform, and relates to a stress determination experimental platform, and solves the problem that no liquid surface stress determination device or method is available under a dynamic situation at present. One end of a horizontal guide rail installation pipe is fixedly provided with a tensioning pulley fixing seat, and an arc gear synchronous belt is installed on a driving belt pulley and two driven belt pulleys; a horizontal guide rail is fixedly installed on the side wall of the horizontal guide rail installation pipe, a horizontal slide block is installed on the horizontal guide rail, a horizontal moving seat is fixedly installed on the arc gear synchronous belt by virtue of a synchronous belt pressure plate, and the horizontal moving seat and the horizontal slide block are fixedly installed into a whole body; two pressure sensors are fixedly installed on the horizontal moving seat in parallel, a measuring seat is fixedly installed on the upper end surfaces of cantilever ends of the two pressure sensors, the middle part of a moment arm installation seat is installed on the upper end surface of the measuring seat, two measuring moment arms are installed on the moment arm installation seat, the lower end of each measuring moment arm is provided with a threaded jacket, and two core-of-gravity adjusting blocks are installed on the moment arm installation seat. The liquid surface stress determination experimental platform is used for determining the stress of a liquid surface.
Description
Technical field
The present invention relates to a kind of experiment porch, and in particular to a kind of liquid level stress determination experiment platform.
Background technology
At present, liquid level stress is measured mainly for surface tension and buoyancy, and wherein buoyancy can be obtained by volume,
And surface tension is more difficult directly obtains.Existing surface tension apparatus is used to determine the surface tension of liquid.
Publication No. CN102654442A, publication date is that the patent of invention of on 09 05th, 2002 discloses a kind of surface
Force checking device and method；Publication No. CN104034634A, publication date is that the patent of invention of on 09 10th, 2014 is disclosed
A kind of liquid level surface tension determining method；Interaction force between above-mentioned liquid level is obtained with theoretical calculation, but mentioned strain
Assay method is determined under quiescent conditions, and the liquid level stress not disclosed under current intelligence determines device or method.
The content of the invention
It is of the invention to determine device or method, and then offer one currently without the liquid level stress under open current intelligence for solution
Plant liquid level stress determination experiment platform.
The present invention is adopted the technical scheme that to solve above-mentioned technical problem：
The liquid level stress determination experiment platform of the present invention includes platform frame, vertical module, level module and measurement apparatus；
Platform frame includes platform base, tank, frame installing plate and frame main body, and tank and frame installing plate are sequentially arranged at platform
On the upper surface of base, frame main body is arranged on the upper surface of frame installing plate, and module mounting plate is provided with frame main body；
Vertically module includes straight line module, vertical motor coupler, vertical servomotor, two upright guide rails and two cunnings
Dynamic to support, straight line module is vertically installed on module mounting plate, and vertical servomotor is by vertical motor coupler and straight line mould
The upper end connection of group leading screw, is provided with sliding platform on straight line module, two upright guide rails vertically and are set in parallel in frame master
On the outer wall of body side, a sliding support is installed on each upright guide rail；
Level module includes horizontal motor seat, horizontal drive servomotor, driving pulley, arc tooth synchronous belt, driven belt
Wheel seat, tensioning pulley fixed seat, tensioning pulley Mobile base, horizontal guide rail, horizontal movable base, Timing Belt pressing plate, cross sliding clock, water
Level gauge installing pipe, two back tensioning wheels, two back tension wheel shafts, two driven pulleys, two driven belt wheel shafts and many
Individual tensioning bolt；It is packed in the middle part of horizontal guide rail installing pipe on horizontal motor seat, horizontal guide rail installing pipe is arranged on two cunnings
Dynamic to support, one end of horizontal guide rail installing pipe is provided with driven belt wheel seat, and a driven pulley is provided with driven belt wheel seat
Axle, is provided with a driven pulley on driven belt wheel shaft, the other end of horizontal guide rail installing pipe is fixed with tensioning pulley fixed seat,
Tensioning pulley Mobile base is arranged in tensioning pulley fixed seat, and another driven belt wheel shaft is provided with tensioning pulley fixed seat,
Another driven pulley is installed on another driven belt wheel shaft, multiple tensioning spiral shells are threaded with tensioning pulley fixed seat
Bolt, multiple tensioning bolts are used to adjust the relative position of tensioning pulley Mobile base and tensioning pulley fixed seat；
Horizontal motor seat is arranged on sliding platform, and horizontal drive servomotor is arranged on horizontal motor seat, main belt
Wheel is sleeved on the output shaft of horizontal drive servomotor, and two back tension wheel shafts are symmetricly set on level with regard to driving pulley
On motor cabinet, a back tensioning wheel is installed on each back tension wheel shaft, driving pulley and two back tensioning wheels are in three
Angular arrangement, arc tooth synchronous belt is arranged on driving pulley and two driven pulleys；
Horizontal guide rail is packed on the side wall of horizontal guide rail installing pipe, and cross sliding clock is arranged on horizontal guide rail, and level is moved
Dynamic seat is packed on arc tooth synchronous belt by Timing Belt pressing plate, and horizontal movable base is fixedly mounted with cross sliding clock and is integrated；
Measurement apparatus include measurement seat, arm of force mounting seat, two the measurement arm of forces, two centre of gravity adjustment blocks, two screw clamps
Set and two pressure sensors, two pressure sensors are packed in side by side in horizontal movable base, and measurement seat is packed in two pressure
On the upper surface of sensor cantilever one end, the middle part of arm of force mounting seat is arranged on the upper surface of measurement seat, two measurement arm of forces
In arm of force mounting seat, wherein measurement seat, arm of force mounting seat, the measurement arm of force constitute lever construction, each measurement arm of force
Lower end is provided with a screw thread chuck, and two centre of gravity adjustment blocks are arranged in arm of force mounting seat.
Liquid level stress with existing quiescent conditions of the invention has the advantages that compared with determining device：
The liquid level stress determination experiment platform of the present invention is provided with vertical module and level module, vertical by vertical module
Motion on direction realizes that vertical impact is determined, and in the vertical direction is impacted with certain speed to the liquid level of tank,
The stressing conditions of material under so as to obtain a certain speed conditions, can be analyzed measure for impact situation；
Material can be pressed into certain depth in water by level module, and move horizontally material, and material is existed with certain speed
Hydroplane, is measured by lever moment equilibrium principle to the power in material horizontal direction and vertical direction, can be measured
Stressing conditions of the material when the water surface is struck；
Material can also be entered water by the present invention with certain track, i.e., material is carried out it is oblique enter water stress determine, different angles
That what is spent enters regimen condition, can obtain different tracks and enter the curve of regimen condition；
The present invention can also be analyzed to the stress that material carries out separation process with liquid level, it is possible to obtain different separation
Stress curve under angle, speed, analysis of material and liquid level separation process；
The present invention is determined according to the material stress under current intelligence, compensate for the blank of current intelligence dynamometry, right
Different types of dynamometry can be realized determining, while according to institute's dynamometry numerical values recited, the lever principle of employing is to small stress
Determine after being amplified, it is also possible to more efficiently realize the measure that lower cost situation is carried out to high accuracy stress.
The present invention can carry out stress measure for hydrophobicity and non-hydrophobic material, can be used for material hydrophobic performance evaluation.
Be particularly directed to hydrophobic material liquid body surface tension effects affect it is larger the characteristics of, can carry out for hydrophobic material many
Item is determined, can be for being measured and being evaluated by surface tension and material hydrophobic performance in the case of different depression depths, for non-
Hydrophobic material, is measured the characteristics of when more significantly can separate with liquid level for it by larger adhesion.
Description of the drawings
Fig. 1 is the overall structure stereogram of the liquid level stress determination experiment platform of the present invention, and Fig. 2 is that the present invention is embodied as
The stereogram of platform frame 1 in mode one, Fig. 3 is the stereogram of vertical module 2 in the specific embodiment of the invention one, and Fig. 4 is
The stereogram of level module 3 in the specific embodiment of the invention one, Fig. 5 is driving pulley in the specific embodiment of the invention one
33rd, the annexation figure of back tensioning wheel 34 and arc tooth synchronous belt 37, Fig. 6 is measured in the specific embodiment of the invention one
The stereogram of device 4, Fig. 7 is the stereogram that seat 43 is measured in the specific embodiment of the invention one, and Fig. 8 is that the liquid level of the present invention is received
Power schematic diagram.
Specific embodiment
Specific embodiment one：As shown in Fig. 1～7, the liquid level stress determination experiment platform of present embodiment includes platform
Frame 1, vertical module 2, level module 3 and measurement apparatus 4；
Platform frame 1 includes platform base 12, tank 13, frame installing plate 14 and frame main body, and tank 13 and frame are pacified
Dress plate 14 is sequentially arranged on the upper surface of platform base 12, and frame main body is arranged on frame installing plate 14 by bolt group 15
On upper surface, module mounting plate 17 is provided with frame main body；
Vertically module 2 includes straight line module 21, vertical motor coupler 22,23, two upright guide rails of vertical servomotor
24 and two sliding supports 25, straight line module 21 is vertically installed on module mounting plate 17, and vertical servomotor 23 is by vertical
Motor coupler 22 is connected with the upper end of the leading screw of straight line module 21, and sliding platform 21-1 is provided with straight line module 21, and two are erected
Straight guide 24 is vertical and is set in parallel on the outer wall of frame main body side, and a slip is provided with each upright guide rail 24
Support 25；
Level module 3 includes horizontal motor seat 31, horizontal drive servomotor 32, driving pulley 33, arc tooth synchronous belt
37th, driven belt wheel seat 310, tensioning pulley fixed seat 311, tensioning pulley Mobile base 312, horizontal guide rail 314, horizontal movable base
315th, Timing Belt pressing plate 316, cross sliding clock 317, the tensioning of the back tensioning wheel 34, two of horizontal guide rail installing pipe 318, two back
35, two, the wheel shaft driven belt wheel shaft 39 of driven pulley 38, two and multiple tensioning bolts 313；In horizontal guide rail installing pipe 318
Portion is packed on horizontal motor seat 31, and horizontal guide rail installing pipe 318 is arranged in two sliding supports 25, horizontal guide rail installing pipe
318 one end is provided with driven belt wheel seat 310, and a driven belt wheel shaft 39, driven belt wheel shaft are provided with driven belt wheel seat 310
One driven pulley 38 is installed, the other end of horizontal guide rail installing pipe 318 is fixed with tensioning pulley fixed seat 311 on 39,
Pulley tightener Mobile base 312 is arranged in tensioning pulley fixed seat 311, is provided with another in tensioning pulley fixed seat 311 driven
Belt shaft 39, is provided with another driven pulley 38 on another driven belt wheel shaft 39, screw thread connects in tensioning pulley fixed seat 311
Multiple tensioning bolts 313 are connected to, multiple tensioning bolts 313 are used to adjust tensioning pulley Mobile base 312 and tensioning pulley fixed seat
311 relative position；
Horizontal motor seat 31 is arranged on sliding platform 21-1, and horizontal drive servomotor 32 is arranged on horizontal motor seat 31
On, driving pulley 33 is sleeved on the output shaft of horizontal drive servomotor 32, and back tension wheel shaft 35 is installed by bearing 36
On horizontal motor seat 31, two back tension wheel shafts 35 are symmetrical arranged with regard to driving pulley 33, each back tension wheel shaft 35
On a back tensioning wheel 34 is installed, driving pulley 33 is triangularly arranged with two back tensioning wheels 34, circle-arc tooth synchronization
Band 37 is arranged on driving pulley 33 and two driven pulleys 38；
Horizontal guide rail 314 is packed on the side wall of horizontal guide rail installing pipe 318, and cross sliding clock 317 is arranged on horizontal guide rail
On 314, horizontal movable base 315 is packed on arc tooth synchronous belt 37 by Timing Belt pressing plate 316, horizontal movable base 315 and water
Smooth block 317 is fixedly mounted with and is integrated；
Measurement apparatus 4 include measurement seat 43,44, two measurement 45, two centre of gravity adjustment blocks 46, two of the arm of force of arm of force mounting seat
Individual screw thread chuck 47 and two pressure sensors 41, two pressure sensors 41 are packed in side by side in horizontal movable base 315, measurement
Seat 43 is packed on the upper surface of two cantilever one end of pressure sensor 41, and the middle part of arm of force mounting seat 44 is arranged on measurement seat 43
Upper surface on, two measurement the arm of forces 45 be arranged on arm of force mounting seat 44 on, wherein measurement seat 43, arm of force mounting seat 44, measurement
The arm of force 45 constitutes lever construction, and the lower end of each measurement arm of force 45 is provided with a screw thread chuck 47, two centre of gravity adjustment blocks 46
In arm of force mounting seat 44.
Model KK8620P-340A1F0CS0 of straight line module 21, producer is Taiwan Shangyin Science and Technology Co., Ltd.
(HIWIN)。
Supporting framework and the offer liquid level condition tested of the platform frame 1 as experiment porch；Vertically module 2 is provided
Freedom of motion on vertical direction, level module 3 provide horizontal direction on freedom of motion, by horizontal motor seat 31 with it is vertical
Module 2 installs connection, and both link can realize linkage in perpendicular, realizes the arbitrary curve motion of end；Measurement apparatus 4
It is fixed in the horizontal movable base 315 of level module 3, measurement apparatus 4 are used to determine the small stress of liquid level；By vertical module 2
And level module 3 drives measurement apparatus 4 to be moved, dynamic liquid level stress measurement is realized；Measurement apparatus 4 are former using lever
Reason, realizes that the amplification of liquid level stress carries out the measurement of small stress by measuring the arm of force 45；It is flat by electric control system controls experiment
Platform is moved and is acquired conversion to measurement structure returned data.
Specific embodiment two：As shown in fig. 7, present embodiment measures seat by dead head 43-2 and two top measurement seats
Base plate 43-1 is constituted, and the middle part of each top measurement seat base plate 43-1 upper surface processes fluted 43-3, under dead head 43-2
End is provided with along its length the top 43-4 of two strips, is fixed with the upper surface of each cantilever one end of pressure sensor 41
One top measurement seat base plate 43-1, is provided with the top 43-4 of strip on the groove 43-3 of top measurement seat base plate 43-1,
The top 43-4 of strip coordinates with groove 43-3 gaps.Be so designed that, can be carried out by groove 43-3 43-4s top to strip it is spacing,
And the top 43-4 loading processes of strip are not affected because gap coordinates, while groove 43-3 compares the original top of pressure sensor 41
Hole is threaded, the contact line length of 43-4 top with strip is increased, the top 43-4 of strip is desirably prevented in the horizontal direction
It is mobile.Other compositions and annexation are identical with specific embodiment one.
Specific embodiment three：As shown in Fig. 2 frame main body described in present embodiment includes the first portal frame 16, second
The upper end of portal frame 19 and two portal frame connecting plates 18, the first portal frame 16 and the second portal frame 19 is connected by two portal frames
Fishplate bar 18 connects, and the first portal frame 16 and the second portal frame 19 constitute rectangle frame support body.It is so designed that, it is false by constituting rectangle frame
Body can strengthen its frame stiffness, while ensure that portal frame spacing meets design requirement by portal frame connecting plate 18.Other
Composition and annexation are identical with specific embodiment one or two.
Specific embodiment four：As shown in figure 3, the vertical servomotor 23 of present embodiment is the vertical servomotor of exchange.
It is so designed that, high-precision Bit andits control can be realized using AC servo motor.Other compositions and annexation and concrete reality
Apply mode three identical.
Specific embodiment five：As shown in figure 4, present embodiment horizontal drive servomotor 32 is watched for exchange horizontal drive
Take motor.It is so designed that, high-precision Bit andits control can be realized using AC servo motor.Other composition and annexation with
Specific embodiment one, two or four are identical.
Specific embodiment six：As shown in figure 4, the quantity of tensioning bolt 313 described in present embodiment is 3～5.So
Design, by adjusting multiple tensioning bolts 313 tensioning to Timing Belt can be realized, tensile force can be adjusted according to demand.Other
Composition and annexation are identical with specific embodiment five.
Specific embodiment seven：As shown in figure 4, the quantity of tensioning bolt 313 described in present embodiment is 4.So set
Meter, by 4 tensioning bolts be conducive to tensioning pulley Mobile base 312 move realize between tensioning pulley fixed seat 311 it is parallel
It is mobile.Other compositions and annexation are identical with specific embodiment six.
Specific embodiment eight：As shown in figure 4, tensioning pulley Mobile base 312 is by riser 320 and two pieces of structures of level board 319
Into, two blocks of level boards 319 are fixed as one by riser 320, two blocks of level boards about 319 just to arranging, edge on level board 319
The length direction of horizontal guide rail installing pipe 318 is machined with chute, and side plate 321, side plate are provided with tensioning pulley fixed seat 311
The boss coordinated with chute gap is provided with 321 upper and lower end face, between the upper and lower end face of side plate 321 and two blocks of level boards 319
Gap coordinates.It is so designed that, spacing movement can be carried out, it is ensured that tensioning process is steady.Other compositions and annexation and concrete reality
Apply mode one, two, four, six or seven identical.
Specific embodiment nine：As shown in fig. 6, the determination experiment platform also includes two sensor backing plates 42, measurement
Seat 43 is packed on the upper surface of two cantilever one end of pressure sensor 41 by two sensor backing plates 42.It is so designed that, leads to
Crossing sensor backing plate 42 can connect various measurement seats, can according to demand change measurement seat form.Other compositions and annexation
It is identical with specific embodiment eight.
Specific embodiment ten：As depicted in figs. 1 and 2, the determination experiment platform also includes four platformses leg
11, the four platformses leg 11 is packed on the bottom face of platform base 12.It is arranged such, platform base 12 4 can be adjusted
The height at angle, while smoothness can be adjusted.Other compositions and annexation and specific embodiment one, two, four, six, seven or
Nine is identical.
Operation principle：As shown in Fig. 1～8：
In measurement process, the motion of measurement apparatus 4 is transmitted by horizontal movable base 315；
Vertically servomotor 23 drives sliding platform 21-1 to move up and down by ball-screw in shaft coupling 22 and module, sliding
Moving platform 21-1 motions drive the horizontal motor seat 31 being fixedly mounted with therewith to move up and down, and horizontal guide rail installing pipe 318 passes through frame master
The auxiliary of upright guide rail 24 of both sides ensures its vertical direction motion, the horizontal guide rail installed in horizontal guide rail installing pipe 318 on body
314 and cross sliding clock 317 also it is synchronous realize it is vertically movable, the horizontal movable base 315 of measurement apparatus 4 by with horizontal guide rail 314
Upper cross sliding clock 317 is fixedly mounted with to be realized being moved on vertical direction；
Horizontal drive servomotor 32 drives arc tooth synchronous belt 37 to realize by the driving pulley 33 direct-connected with motor shaft
Move horizontally, horizontal direction movement is passed to horizontal movable base 315 by arc tooth synchronous belt 37 by Timing Belt pressing plate 316, is surveyed
The horizontal movable base 315 of amount device 4 by with horizontal guide rail 314 on cross sliding clock 317 it is affixed, it is ensured that and realize level side
To motion.
The arm of force 45 is measured in measurement apparatus 4 measured material is clamped by screw thread chuck 47, transported by vertical and horizontal direction
Dynamic to allow measured material to contact with liquid level in tank 13, measured material is transferred to arm of force peace with the measurement arm of force 45 that is forced through of liquid level
Dress seat 44, and pressure sensor 41 is passed to by measuring seat 43, the numerical value of pressure sensor 41 is resolved, realize and liquid level
The measurement of different stressing conditions.
Pressure sensor 41 is moved together with the measurement arm of force 45 with horizontal movable base 315, and Force Calculation of striking formula is：
Wherein：FxTo measure material horizontal direction stress, F1Arm of force stress, F are measured for left side2Receive for the right side measurement arm of force
Power, d is measurement seat center to pressure sensor center of effort distance, and l is measurement seat center to measurement material center of effort distance,
M is quality size,For acceleration of motion,To measure seat center to center of gravity vector, FyTo measure material vertical direction stress, G
For gravity size,For gravity and acceleration included angle cosine；
The position of centre of gravity of adjustment measurement apparatus 4：
Except sensor 41 and sensor backing plate 42 are with the position of centre of gravity of outer portion, abbreviation center of gravity position in adjustment measurement apparatus 4
Put:When position of centre of gravity be located at the center line of arm of force mounting seat 44 on, and measurement apparatus 4 in the horizontal direction uniform motion when,
Stable state can then be surveyed to strike stress, this brief acceleration a=0 meets formula (2)；If centre of gravity adjustment, can be to C points simultaneously
Survey horizontal direction transient state to strike stress, nowAndMeet formula (2)；When additional vertical direction adds
During speed, then consider that acceleration magnitude is calculated：
Based on lever principle, by adjusting d and l ratios, raising precision purpose is reached；
The core of this programme is to carry out small liquid level stress measurement using lever principle and move measurement structure and two axles
Moving platform is combined, and by adjustment structure center of gravity the measure of dynamic stress is realized, can make up the deficiency of current static measurement apparatus,
Checking and foundation are provided for the analysis of current intelligence lower stress.
Claims (10)
1. a kind of liquid level stress determination experiment platform, determination experiment platform includes platform frame (1), vertical module (2), horizontal mould
Block (3) and measurement apparatus (4)；It is characterized in that：
Platform frame (1) includes platform base (12), tank (13), frame installing plate (14) and frame main body, tank (13) and
Frame installing plate (14) is sequentially arranged on the upper surface of platform base (12), and frame main body is arranged on frame installing plate (14)
On upper surface, module mounting plate (17) is provided with frame main body；
Vertically module (2) including straight line module (21), vertical motor coupler (22), vertical servomotor (23), two vertically
Guide rail (24) and two sliding supports (25), straight line module (21) is vertically installed on module mounting plate (17), vertical servo electricity
Machine (23) is connected by vertical motor coupler (22) with the upper end of straight line module (21) leading screw, and straight line module is provided with (21)
Sliding platform (21-1), two upright guide rails (24) are vertical and are set in parallel on the outer wall of frame main body side, and each is vertical
One sliding support (25) is installed on guide rail (24)；
Level module (3) is same including horizontal motor seat (31), horizontal drive servomotor (32), driving pulley (33), circle-arc tooth
Step band (37), driven belt wheel seat (310), tensioning pulley fixed seat (311), tensioning pulley Mobile base (312), horizontal guide rail
(314), horizontal movable base (315), Timing Belt pressing plate (316), cross sliding clock (317), horizontal guide rail installing pipe (318), two
Back tensioning wheel (34), two back tension wheel shafts (35), two driven pulleys (38), two driven belt wheel shafts (39) and multiple
Tensioning bolt (313)；It is packed in the middle part of horizontal guide rail installing pipe (318) on horizontal motor seat (31), horizontal guide rail installing pipe
(318) on two sliding supports (25), one end of horizontal guide rail installing pipe (318) is provided with driven belt wheel seat (310),
One driven belt wheel shaft (39) is installed on driven belt wheel seat (310), a driven pulley is installed on driven belt wheel shaft (39)
(38), the other end of horizontal guide rail installing pipe (318) is fixed with tensioning pulley fixed seat (311), tensioning pulley Mobile base (312)
In tensioning pulley fixed seat (311), another driven belt wheel shaft (39) is installed in tensioning pulley fixed seat (311),
Another driven pulley (38) is installed on another driven belt wheel shaft (39), is threadedly coupled in tensioning pulley fixed seat (311)
There are multiple tensioning bolts (313), multiple tensioning bolts (313) are consolidated for adjusting tensioning pulley Mobile base (312) with tensioning pulley
The relative position of reservation (311)；
On sliding platform (21-1), horizontal drive servomotor (32) is installed in horizontal motor seat for horizontal motor seat (31)
(31) on, driving pulley (33) is sleeved on the output shaft of horizontal drive servomotor (32), two back tension wheel shafts (35)
It is symmetricly set on horizontal motor seat (31) with regard to driving pulley (33), a back of the body is installed on each back tension wheel shaft (35)
Portion's tensioning wheel (34), driving pulley (33) is triangularly arranged with two back tensioning wheels (34), arc tooth synchronous belt (37) peace
It is mounted on driving pulley (33) and two driven pulleys (38)；
Horizontal guide rail (314) is packed on the side wall of horizontal guide rail installing pipe (318), and cross sliding clock (317) is led installed in level
On rail (314), horizontal movable base (315) is packed on arc tooth synchronous belt (37) by Timing Belt pressing plate (316), is moved horizontally
Seat (315) is fixedly mounted with cross sliding clock (317) and is integrated；
Measurement apparatus (4) include measurement seat (43), arm of force mounting seat (44), two the measurements arm of force (45), two centre of gravity adjustment blocks
(46), two screw thread chucks (47) and two pressure sensors (41), two pressure sensors (41) are packed in side by side level shifting
On dynamic seat (315), measurement seat (43) is packed on the upper surface of two pressure sensor (41) cantilever one end, arm of force mounting seat
(44) middle part be arranged on measurement seat (43) upper surface on, two measurement the arm of force (45) in arm of force mounting seat (44),
Wherein measure seat (43), arm of force mounting seat (44), the measurement arm of force (45) composition lever construction, the lower end of each measurement arm of force (45)
One screw thread chuck (47) is installed, two centre of gravity adjustment blocks (46) are in arm of force mounting seat (44).
2. a kind of liquid level stress determination experiment platform according to claim 1, it is characterised in that：Measurement seat is by dead head
(43-2) constitute with two top measurements seat base plate (43-1), the middle part processing of each top measurement seat base plate (43-1) upper surface
Fluted (43-3), it is top (43-4) that the lower end of dead head (43-2) is provided with along its length two strips, each pressure
Top measurement seat base plate (43-1), top measurement seat base plate (43- are fixed with the upper surface of sensor (41) cantilever one end
1) strip is provided with groove (43-3) top (43-4), strip top (43-4) coordinates with groove (43-3) gap.
3. a kind of liquid level stress determination experiment platform according to claim 1 and 2, it is characterised in that：The frame main body
Including the first portal frame (16), the second portal frame (19) and two portal frame connecting plates (18), the first portal frame (16) and second
The upper end of portal frame (19) is by two portal frame connecting plate (18) connections, the first portal frame (16) and the second portal frame (19) structure
Rectangular frame body.
4. a kind of liquid level stress determination experiment platform according to claim 3, it is characterised in that：Vertical servomotor (23)
To exchange vertical servomotor.
5. a kind of liquid level stress determination experiment platform according to claim 1,2 or 4, it is characterised in that：Horizontal drive is watched
Motor (32) is taken to exchange horizontal drive servomotor.
6. a kind of liquid level stress determination experiment platform according to claim 5, it is characterised in that：The tensioning bolt
(313) quantity is 3～5.
7. a kind of liquid level stress determination experiment platform according to claim 6, it is characterised in that：The tensioning bolt
(313) quantity is 4.
8. a kind of liquid level stress determination experiment platform according to claim 1,2,4,6 or 7, it is characterised in that：Tension band
Wheel Mobile base (312) is made up of riser (320) and two pieces of level boards (319), and two pieces of level boards (319) are solid by riser (320)
Be connected in one, two pieces of level boards (319) up and down just to arranging, along the length of horizontal guide rail installing pipe (318) on level board (319)
Direction is machined with chute, and side plate (321) is provided with tensioning pulley fixed seat (311), arranges on the upper and lower end face of side plate (321)
There is the boss coordinated with chute gap, the upper and lower end face of side plate (321) coordinates with two pieces of level board (319) gaps.
9. a kind of liquid level stress determination experiment platform according to claim 8, it is characterised in that：The determination experiment platform
Also include two sensor backing plates (42), measurement seat (43) is packed in two pressure sensors by two sensor backing plates (42)
(41) on the upper surface of cantilever one end.
10. a kind of liquid level stress determination experiment platform according to claim 1,2,4,6,7 or 9, it is characterised in that：It is described
Determination experiment platform also includes four platformses leg (11), and the four platformses leg (11) is packed in the bottom of platform base (12)
On end face.
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| CN107966403A (en) * | 2017-11-23 | 2018-04-27 | 中国工程物理研究院化工材料研究所 | A kind of apparatus and method for testing the micro- adhesion of non-infiltration solid-liquid interface |
| CN109269976B (en) * | 2018-11-16 | 2023-10-03 | 西南科技大学 | Measuring device and measuring method for measuring friction force between solid-liquid interfaces in electric field |
| CN109938749B (en) * | 2019-04-03 | 2021-09-14 | 李�浩 | Artery position detection device and using method thereof |
| CN113670492B (en) * | 2021-08-19 | 2023-05-23 | 西安电子工程研究所 | Arc tooth type position marker bearing clamping force detection device |
| CN113740209B (en) * | 2021-09-16 | 2024-04-05 | 哈尔滨工业大学（威海） | Device and method for simulating wetting behavior of plastic on metal surface under specific pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3504530A (en) * | 1966-04-06 | 1970-04-07 | Whirlpool Co | Device for measuring dynamic surface tension |
| JPS59231437A (en) * | 1983-06-15 | 1984-12-26 | Fuji Photo Film Co Ltd | System for measuring dynamic surface tension |
| CN1382971A (en) * | 2001-04-27 | 2002-12-04 | 中国科学院理化技术研究所 | Measurer of expansion viscosity and elasticity for interface or surface |
| CN102564907B (en) * | 2011-12-27 | 2014-05-07 | 浙江大学 | Experimental instrument for dynamically measuring liquid surface tension and measuring method |
| DE102012107695B3 (en) * | 2012-08-22 | 2013-11-28 | Miele & Cie. Kg | Washing machine, has measuring unit for measuring dynamic surface tension, and airflow generator and ventilation valve that are arranged in air control unit and controlled by common actuator |
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