CN209281705U - A kind of removable hydrostatic pressure experimental teaching unit of double-sided symmetrical formula - Google Patents

A kind of removable hydrostatic pressure experimental teaching unit of double-sided symmetrical formula Download PDF

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Publication number
CN209281705U
CN209281705U CN201821063496.7U CN201821063496U CN209281705U CN 209281705 U CN209281705 U CN 209281705U CN 201821063496 U CN201821063496 U CN 201821063496U CN 209281705 U CN209281705 U CN 209281705U
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China
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pressure
water tank
airtight water
tank
double
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胡静
杨成建
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Abstract

The utility model discloses a kind of double-sided symmetrical formulas to move hydrostatic pressure experimental teaching unit, including bottom bracket and device fixed plate, organic glass web, symmetrical interconnected airtight water tank, movable tank and pressure-measuring pipe fixed system on organic glass web are set in device fixed plate;Movable tank is slidably mounted on sliding up and down on track in device fixed plate, and airtight water tank is equipped with water inlet, gas valve and scupper valve;By adjusting movable tank, vertically sliding rail is slided, and realizes airtight water tank liquid surface pressure P0With atmospheric pressure PaPositive pressure or negative pressure operating condition;Two methods of the pressure or vacuum values verified hydrostatics fundamental equation by observation pressure-measuring pipe fixed system, measure any point in hydrostatic, and by the rate again or density of pressure-measuring pipe fixed system measurement liquid, judge the type of unknown liquid.The utility model experimental provision functional diversities, test method diversification, it is at low cost, there is certain promotion value.

Description

A kind of removable hydrostatic pressure experimental teaching unit of double-sided symmetrical formula
Technical field
The utility model relates to hydrodynamic calculations instructional device, especially a kind of double-sided symmetrical formula moves hydrostatic pressure Experimental teaching unit.
Background technique
Hydrodynamic calculations are a kind of important means for disclosing fluid motion rule, understand knowledge to student, are promoted and practiced Ability is most important, plays indispensable role in subject teaching.Hydrostatic pressure experiment belongs to Undergraduate Experimental Teaching Clear stipulaties must do experimental project in outline, in national universities have development.
The existing most of hydrostatic pressure experimental provision of major colleges and universities mostly uses outmoded traditional old-fashioned desktop apparatus, substantially Upper many years do not update, and instrument and equipment aging conditions are serious, and can not connect rail with the more new development of subject now;And experimental teaching content It is single, it is often confined to only measure hydrostatic pressure with single test method;And the structure design of experimental provision is not compact, mostly It is placed on experimental bench using mesa structure, lab space occupies excessive, also results in unnecessary resource to a certain extent Waste.In addition, the making material of device and some connecting components are metal material, in previous experimental teaching experience, The phenomenon that such device easily gets rusty when doing the experiment of fluid class, accelerates the corrosion and ageing of instrument, generate evaporating, emitting, dripping or leaking of liquid or gas, and And it is easy the hydrostatic water pollution so that in device, generate algae.Furthermore metal rusting is easy to cause water tank box to change colour, water Body discoloration, influences experimental observation, influences experimental teaching.Through market survey, existing hydrostatic pressure experimental teaching unit, selling price Higher and be of rude workmanship, the requirement of experimental teaching is not achieved in precision and quality;And compared with traditional instrument, almost without innovation Place, is unable to satisfy the requirement of the reform and development of teaching.
Utility model content
To solve drawbacks described above existing in the prior art, the purpose of this utility model is to provide a kind of double-sided symmetrical formulas Removable hydrostatic pressure experimental provision, not only solves the problems, such as device present in existing experimental teaching, and provide new experiment side Method and approach can make multiple experimental projects of separate unit instrument.
The utility model is realized by following technical proposals.
The double-sided symmetrical formula of the utility model moves hydrostatic pressure experimental teaching unit, including a bottom bracket and sets Device fixed plate above bottom bracket is equipped with organic glass web in device fixed plate, pacifies on organic glass web Equipped with the airtight water tank symmetrical about its, the movable tank and pressure-measuring pipe fixed system that are connected with airtight water tank;Activity Water tank is slidably mounted on sliding up and down on track in device fixed plate, and airtight water tank is equipped with water inlet, gas valve and row Mouth of a river valve;
By adjusting movable tank, vertically sliding rail is slided, and realizes airtight water tank liquid surface pressure P0With atmospheric pressure Power PaUnder the positive pressure or negative pressure experiment condition of formation, observation pressure-measuring pipe fixed system verifying hydrostatics fundamental equation simultaneously leads to It crosses pressure-measuring pipe fixed system and measures the rate again or density of unknown liquid, and judge the type of unknown liquid.
For the technical solution of above-mentioned apparatus, there are also further preferred schemes for the utility model:
Preferably, the pressure-measuring pipe fixed system include two single column manometers, two U-tube manometers and with two lists The corresponding graduated scale of tube manometer, U-tube manometer, two single column manometers are respectively communicated to airtight water tank side wall;Two U-shapeds Tube manometer is respectively communicated to the pressure gauge communicating valve at the top of airtight water tank.
Preferably, two single column manometers are connected to airtight water tank side wall by connecting silicone pipe from its bottom;Institute Two its tops of U-tube manometer readme are connected to airtight water tank top pressure meter by connecting silicone pipe and threeway connecting component Communicating valve.
Preferably, airtight water tank bottom airtight water tank is respectively communicated with by silicone tube and connects aperture and movable tank bottom Aperture is connected below movable tank.
Preferably, the airtight water tank is equipped with the high water tank of the K point of labelling experiment any point hydrostatic pressure to be measured Graduated scale.
Preferably, the movable tank upper portion side wall is equipped with the blow vent being connected with atmosphere.
The bottom bracket is equipped with adjustable universal wheel.
Compared to the prior art, the utility model has the following technical effect that
(1) test method diversification.The novel hydrostatic pressure experimental provision of the utility model development uses U-tube pressure Mode is pressed in the survey of power meter and single-column manometer combination, and student can be allowed to verify Hydrostatic with different pressure testing methods in an experiment Mechanics fundamental equation, and then undergraduate course stage common two kinds of pressure testing methods are grasped, this is that prior art similar device is not had The considerations of having.
(2) experimental provision functional diversities.The present apparatus can also be opened up new other than it can complete hydrostatic pressure experiment Experimental project, two U-tube manometers in device, the medium that a inside is injected are colored liquid, an injection normal fluid, Using the basic principle of statics pressure, the rate again of unknown colored liquid can be measured, while the kind of colored liquid can also be identified Class, this design are also to have expanded another purposes of this experimental provision, can carry out open physical experiment (unknown solution weight in the works The measurement and identification of rate), while being also the expansion and application of fluid mechanics knowledge, open up various function of undergraduate course instrument Can, the unicity that experiment teaching instrument equipment uses is avoided, the vacancy rate of instrument is reduced.
(3) apparatus structure optimization design.The novel hydrostatic pressure experimental provision of the utility model is designed as two-sided removable Formula, places two hydrostatic pressure experimental provisions on a mobile experimental bench, opposite and set, and student can be same in the two sides of experimental bench The problem of Shi Jinhang experimental implementation reduces the experiment area that instrument is put, avoids existing lab space wretched insufficiency, this Outside, experimental bench is movable type, and structure design is not compact, is taken up little area, convenient for the overall management of lab space, effectively save space money Source.
(4) device material improves.Present apparatus material of main part uses organic glass, and it is plastics that connector is improved from metal material Rubber tube is improved as silicone tube, prevents from connecting in the prior art by material, the corrosion for effectively avoiding metal from contacting with water, connecting tube The aging of pipe, leakage, adhesion effectively extend the service life of experimental provision by the improvement of above-mentioned apparatus material.
(5) hydrostatic quality problem improves.Traditional hydrostatic pressure experimental provision is closed structure, and draining is difficult, hydrostatic The pollutants such as bacterium easy to breed, algae in water tank for a long time, influence experimental result.Utility model device improvement is intake out The mouth of a river, the draining that can be convenient after having tested are done laboratory and are filled the water again, and water inlet is spacious, also facilitate the cleaning of airtight water tank. Above-mentioned improvement design prevents water to place for a long time in instrument and generates pollution, the water quality of hydrostatic when improving experiment.
(6) installation cost is low, has certain price advantage.Under the prior art, various types of hydrostatic pressings are sold on the market Strong experimental teaching unit, price is at 0.5 ten thousand yuan or so, and one price of novel hydrostatic pressure experimental provision of this project exploitation At 0.3 ten thousand yuan or so, experimental provision is two plane type, and mutually indepedent, and two are fully equivalent on using function similar to commercially available Device.It can be seen that a set of novel hydrostatic pressure experimental provision is 0.4 ten thousand yuan fewer than similar commercial device, expense is saved about 40%, developing this set instrument has obviously price advantage.
(7) there is certain promotion value.The novel hydrostatic pressure experimental provision of the utility model development is full-featured, structure Rationally compact, material is excellent, and the same experiments device that cost is on sale far below market, has apparent price advantage.In addition, This covering device has broken the limitation of original traditional hydrostatic pressure experimental provision content of courses unification, is hydrodynamic calculations teaching Relatively quantum jump in means can improve the innovation ability and manipulative ability of student comprehensively, can fill up it is domestic currently on the market this The vacancy of class testing instrument and equipment has good promotion potential and market application prospect.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, It does not constitute improper limits to the present invention, in the accompanying drawings:
Fig. 1 is the positive structure diagram of the utility model;
Fig. 2 is the side structure schematic view of the utility model;
Fig. 3 is the overlooking structure diagram of the utility model.
Wherein: 1- graduated scale, 2- threeway connecting component, 3- pressure-measuring pipe fixed system, 4- connecting silicone pipe, 5- organic glass Web, 6- pressure gauge communicating valve, 7- airtight water tank, 8- water inlet, 9- gas valve, 10- movable tank, the rotation of 11- up and down adjustment Button, 12- slide up and down track, connect aperture, 14- fixing rivet, 15- rivet fixed plate, 16- device below 13- movable tank Fixed plate, 17- bracket table top, 18- thicken fixed supporting foot plate, 19- bottom bracket, 20- universal wheel, 21-1 U-tube pressure Meter, 22-2 U-tube manometer, 23-1 single column manometer, 24-2 single column manometer, 25- water tank side wall upper opening, Side opening under 26- water tank side wall, 27- high water tank graduated scale, 28- scupper valve, 29- airtight water tank connect aperture, 30- silicon Sebific duct, 31- blow vent.
Specific embodiment
Specific embodiment of the utility model is given below, it should be noted that the utility model is not limited to following tool Body embodiment, all equivalent transformations made on the basis of the technical solutions of the present application each fall within the protection scope of the utility model.
In compliance with the above technical solution, as shown in Figure 1-Figure 3, the present embodiment provides a kind of novel hydrostatic pressure experimental teaching dress It sets and measuring method.
A kind of hydrostatic pressure experimental teaching unit of the utility model, including bottom bracket 19 and it is located at bottom bracket The device fixed plate 16 of 19 tops, organic glass web 5 is equipped in device fixed plate 16, is installed on organic glass web 5 About its symmetrical airtight water tank 7, the movable tank 10 and pressure-measuring pipe fixed system 3 that are connected with airtight water tank 7;It is living Dynamic water tank 10 is slidably mounted on sliding up and down on track 12 in device fixed plate 16, and airtight water tank 7 is equipped with water inlet 8, leads to Air valve 9 and scupper valve 28.
Device is divided into organic glass main structure body and stainless steel movable support two large divisions.Organic glass structural body portion Including 7 dependency structure of airtight water tank, 10 dependency structure of movable tank, the dependency structure of pressure-measuring pipe fixed system 3, organic glass abdomen The part such as the symmetrical structure on 5 both sides of plate forms.Organic glass body structure portion is double-sided symmetrical formula, all structures in front and back two sides It is all the same.Stainless steel movable support is the lower half portion of utility model device, and pedestal upper end is device placed mesa, is carried Two-sided organic glass main structure is supported by rectangle stainless steel quadrangle under table top, and quadrangle is respectively provided with adjustable universal wheel, Facilitate the movement and placement of instrument.
Pressure-measuring pipe fixed system 3 include two single column manometers, two U-tube manometers and with two single column manometers, U The corresponding graduated scale of shape tube manometer.
Wherein, 7 structure of airtight water tank: the intermediate water inlet 8 for water tank in 7 top of airtight water tank is spiral vent cover, twists It can be filled the water to airtight water tank when opening.Water tank upper right is gas valve 9, when gas valve is opened, water tank inner space It is connected with atmosphere, when closing, space is made to form confined space.Water tank upper left is pressure gauge communicating valve 6, pressure gauge connection Valve 6 connects being connected for 2 interface of threeway connecting component and two No. 1, No. 2 U-tube manometers 21 and 22 by connecting silicone pipe 4 It connects namely the side of U-tube manometer is connected with the space of 7 top of airtight water tank, pressure measured by the side is also water tank The pressure of confined space;The lower section of middle is scupper valve 28 below airtight water tank, and opening can exclude the quiet of experiment Water.Airtight water tank lower right is that airtight water tank connects aperture 29, by connecting aperture 13 below silicone tube 30 and movable tank It is connected;On the side wall center line of water tank, appoint and taken two height and positions, two apertures is provided with, respectively on water tank side wall Side opening 26 under side opening 25, water tank side wall;According to single column manometer basic principle, the two apertures are passed through into connecting silicone pipe 4 are connected with two single tubes respectively forms 24, No. 1 single column manometers 23 of No. 2 single column manometers.Water tank front is provided with water tank Liquid level dividing ruler 27, and the K point for testing any point hydrostatic pressure to be measured is marked.The water tank back side is reinforced in rivet fixed plate 15 On, and the rivet fixed plate 15 of the water tank back side and reinforcing is anchored at the organic of experimental provision together by four fixing rivets 14 On glass web 5, stabilized structure.
10 structure of movable tank: the entire cabinet of movable tank 10 is fixed on device fixed plate 16 by up and down adjustment knob 11 Slide up and down on track 12, up and down adjustment knob 11 is unscrewed, movable tank 10 may be implemented in sliding up and down track 12 Activity vertically.The underface of movable tank 10 be provided with movable tank below connect aperture 13, by silicone tube 30 with Airtight water tank connection aperture 29 is connected, and forms linker, water can be moved up and down with movable tank between two water tanks Flowing.Movable tank 10 is cylinder, is provided with small blow vent 31 close to the position of cylinder top cover in upside and is connected with atmosphere It is logical.
3 structure of pressure-measuring pipe fixed system: pressure-measuring pipe fixed system 3 is fixed on organic glass central web 5 by screw In device fixed plate 16, stable structure, fixed system is also organic glass mechanism, and the 6 of pressure-measuring pipe placement have been reserved in system A hole has set gradually the U-tube manometer 22,1 of No. 1 U-tube manometer 21,2 23 and of single column manometer from left to right No. 2 single column manometers 24.3 front outside of pressure-measuring pipe fixed system after installing each pressure-measuring pipe, in the middle ware of pressure-measuring pipe Gap is uniformly arranged 3 graduated scales 1, and pressure gauge is connected with each aperture of airtight water tank, as shown in Figure 1.
As shown in Figure 2 and Figure 3, the symmetrical structure on 5 both sides of organic glass web: organic glass main structure body is double-sided symmetrical Formula structure, with organic glass web 5 for center line of symmetry, both sides structure is identical.Airtight water tank 7, the movable tank on both sides 10 and the dependency structure of pressure-measuring pipe fixed system 3 be fixed by screws in machine glass web 5 and device fixed plate 16, shape At firm upper body structure.
The bottom bracket 19 of stainless steel material is the lower half portion of utility model device, and pedestal upper end is the branch of stainless steel Pallet face 17, table top carries the two-sided organic glass main structure of top half, whole in table top and top half organic glass Body structural attachments have added thickening fixed supporting foot plate 18, are stably fixed to superstructure more on bracket table top.Bottom The quadrangle of 19 lower part of portion's bracket is respectively provided with adjustable universal wheel 20, and the arrangement convenient for the light and flexible of instrument is mobile.
Utilize the method for the progress measuring of the utility model hydrostatic pressure experimental teaching unit, including the following contents:
(1) adjustment method of instrument testing and different experiments operating condition and pressure:
The gas valve 9 of 7 upper end of airtight water tank is opened, whether neat observes liquid level in the pressure-measuring pipe being connected with airtight water tank It is flat, check in each pipe whether block if do not flushed, and dredged, until liquid level is on the same horizontal plane.Later, it fastens The gas valve 9 of 7 upper end of airtight water tank;Up and down adjustment knob 11 is unscrewed, allows sliding up and down rail in movable tank 10 It is freely up and down movable in road 12, at this point, tighten up and down adjustment knob 11 after raising movable tank 10 to certain height and fix, 7 liquid surface pressure P of airtight water tank may be implemented0> atmospheric pressure PaThe case where.It is again turned on the breather valve of 7 upper end of airtight water tank Door 9 adjusts movable tank 10 to the medium position for sliding up and down track 12,7 liquid surface pressure P of airtight water tank may be implemented0 =atmospheric pressure PaThe case where (positive pressure).At this point, observing each survey pressure communicating pipe liquid level again should flush, after adjusting flushes, close Exhaust valve unscrews up and down adjustment knob 11, and it is freely up and down movable in sliding up and down track 12 in movable tank 10 to allow, At this point, tightening up and down adjustment knob 11 after movable tank 10 to be dropped to certain height and fixing, airtight water tank 7 may be implemented Liquid surface pressure P0< atmospheric pressure PaThe case where (negative pressure).
(2) hydrostatics fundamental equation method one is verified
It is adjustable to try out two kinds of different experiments operating conditions (positive pressure, negative pressure) by described in step (1).In two different realities It tests under operating condition, by passing through visual in image No. 1 single column manometer 23 and No. 2 single tube pressure of observation in liquid level stabilizing 24 reading of meter and its situation of change in an experiment, and corresponding data record, can intuitively verify hydrostatics very much Fundamental equation.
Z+P/ γ=C
Wherein, Z is level head, and P/ γ is the height that liquid rises in pressure-measuring pipe under the action of pressure P, referred to as Pressure head, C are constant.
Pressure measuring principle based on single column manometer, No. 1 single column manometer 23 and No. 2 single tube pressure designed in the utility model What power meter 24 was tested is exactly piezometric head in water tank at any two position, in teaching experiment, the experiment work no matter debugged How is condition, and it is equal can intuitively to see that the reading of two pressure-measuring pipes is always maintained at, due to the arbitrariness of reconnaissance, i.e., provable The piezometric head of each point is equal in still fluid, namely demonstrates hydrostatics fundamental equation, this experimental verification Method is the unexistent consideration of device under the prior art.
(3) hydrostatics fundamental equation method two is verified
It is adjustable to try out two kinds of different experiments operating conditions (positive pressure, negative pressure) in conjunction with described in step (1).Experiment can be in difference Experiment condition under, according to the isobaric relationship that the connection of two U-tube manometers 21 and 22 and airtight water tank 7 generates, can survey The pressure and vacuum values of any point in hydrostatic are made, and is calculated by test accordingly and data, calculates in hydrostatic and arbitrarily selects The piezometric head value for taking two o'clock, also can verify that hydrostatics fundamental equation.
Z1+P1/ γ=Z2+P2/ γ=C
Wherein, Z1、Z2For different location head, P1/γ、P2/ γ is under the action of different pressure P, and liquid is in pressure-measuring pipe The height of middle rising, referred to as pressure head.C is constant.
(4) pressure or vacuum values of any point in hydrostatic are measured
In the case where positive pressure, negative pressure, the reading by choosing any U-tube manometer is observed record, it can Obtain positive pressure (negative pressure) value of 7 upper space of airtight water tank, and choose any point in hydrostatic, can calculate its pressure value or Vacuum values:
PK=PO+γhk
Wherein, PKFor the pressure value of any point K in hydrostatic;POFor the positive pressure or negative pressure value of airtight water tank upper space;hkFor Height value of any point K apart from liquid level in hydrostatic;γ is hydrostatic rate again.
(5) present apparatus, which provides, measures the rate again of unknown liquid or the experimental method of density.
Two U-tube manometers 23,24 of the present apparatus are chosen, one compares pipe, interior injection Comparison of standards liquid water is managed, One is done to test tube, and interior injection unknown liquid (alcohol, kerosene or other unknown liquid) to be measured is managed.U-tube manometer 23,24 The ullage space of right side Guan Junyu airtight water tank 7 is connected, and based on described in step (1), gives an experiment condition, example In the case where positive pressure, pressure difference is produced at left and right sides of two U-tube manometers, since the pressure of ullage space is solid Fixed constant, based on isobaric relationship, the pressure of two U-tube manometers can form relational expression:
γWater(hA left side 1- hThe right side 1)=γIt is unknown(hA left side 2- hThe right side 2) or ρWaterg(hA left side 1- hThe right side 1)=ρIt is unknowng(hA left side 2- hThe right side 2)
In formula, γWater, ρWaterThe respectively rate again of water, density;hA left side 1, hThe right side 1The respectively height of 1 left and right sides of U-tube manometer Degree;γIt is unknown, ρIt is unknownThe rate again of respectively unknown liquid, density;hA left side 2, hThe right side 2The respectively height of 2 left and right sides of U-tube manometer.
The parameters of normal fluid water are it is known that each h of the reading of pressure-measuring pipe can also be measured by graduated scale 1, in this way The rate again or density of unknown liquid can be measured, and thus deducibility and identify the type of unknown liquid.
The utility model hydrostatic pressure experimental provision has carried out experimental method on the problem of improving various structures and technology Reform and innovation.The diversification of experiential function is considered in design, and structure setting is rationally compact removable, uses in material Organic glass, the plastic products such as silica gel, avoids aging contamination phenomenon from source, and the service life of instrument can be improved, and The cost same experiments device on sale far below market, has apparent price advantage.In addition, this covering device has broken existing biography The limitation of system hydrostatic pressure experimental provision, has expanded the experimental teaching content of the device, this is also hydrodynamic calculations teaching hand Relatively quantum jump in section.The innovation ability and manipulative ability that student can be improved comprehensively, can fill up it is domestic currently on the market this The vacancy of class testing instrument and equipment has good promotion potential and market application prospect.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.

Claims (7)

1. a kind of double-sided symmetrical formula moves hydrostatic pressure experimental teaching unit, which is characterized in that including a bottom bracket (19) and the device fixed plate (16) that is located above bottom bracket (19) organic glass web, is equipped in device fixed plate (16) (5), the airtight water tank symmetrical about its (7) is installed on organic glass web (5), is connected with airtight water tank (7) Movable tank (10) and pressure-measuring pipe fixed system (3);Movable tank (10) is slidably mounted on upper on device fixed plate (16) On lower slider track (12), airtight water tank (7) is equipped with water inlet (8), gas valve (9) and scupper valve (28);
By adjusting movable tank (10), vertically sliding rail (12) is slided, and realizes airtight water tank (7) liquid surface pressure P0With Atmospheric pressure PaUnder the positive pressure or negative pressure experiment condition of formation, observation pressure-measuring pipe fixed system (3) verifying hydrostatics is basic The pressure or vacuum values of any point in equation, measurement hydrostatic;And the rate again of unknown liquid is measured by pressure-measuring pipe fixed system (3) Or density, and judge the type of unknown liquid.
2. a kind of double-sided symmetrical formula according to claim 1 moves hydrostatic pressure experimental teaching unit, which is characterized in that The pressure-measuring pipe fixed system (3) include two single column manometers, two U-tube manometers and with two single column manometers, U-shapeds The corresponding graduated scale of tube manometer (1), two single column manometers are respectively communicated to airtight water tank (7) side wall;Two U-tube pressure Meter is respectively communicated to the pressure gauge communicating valve (6) at the top of airtight water tank (7).
3. a kind of double-sided symmetrical formula according to claim 2 moves hydrostatic pressure experimental teaching unit, which is characterized in that Two single column manometers are connected to airtight water tank (7) side wall by connecting silicone pipe (4) from its bottom;Two U-shapeds Its top of tube manometer readme is connected to airtight water tank (7) top pressure by connecting silicone pipe (4) and threeway connecting component (2) It counts communicating valve (6).
4. a kind of double-sided symmetrical formula according to claim 2 moves hydrostatic pressure experimental teaching unit, which is characterized in that Airtight water tank (7) bottom airtight water tank, which is respectively communicated with, by silicone tube (30) connects aperture (29) and movable tank (10) bottom Aperture (13) are connected below movable tank.
5. a kind of double-sided symmetrical formula according to claim 1 moves hydrostatic pressure experimental teaching unit, which is characterized in that The airtight water tank (7) is equipped with the high water tank graduated scale (27) of the K point of labelling experiment any point hydrostatic pressure to be measured.
6. a kind of double-sided symmetrical formula according to claim 1 moves hydrostatic pressure experimental teaching unit, which is characterized in that Movable tank (10) upper portion side wall is equipped with the blow vent (31) being connected with atmosphere.
7. a kind of double-sided symmetrical formula according to claim 1 moves hydrostatic pressure experimental teaching unit, which is characterized in that The bottom bracket (19) is equipped with adjustable universal wheel (20).
CN201821063496.7U 2018-07-05 2018-07-05 A kind of removable hydrostatic pressure experimental teaching unit of double-sided symmetrical formula Expired - Fee Related CN209281705U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922341A (en) * 2018-07-05 2018-11-30 西安建筑科技大学 A kind of hydrostatic pressure experimental teaching unit and measuring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922341A (en) * 2018-07-05 2018-11-30 西安建筑科技大学 A kind of hydrostatic pressure experimental teaching unit and measuring method
CN108922341B (en) * 2018-07-05 2024-05-14 西安建筑科技大学 Still water pressure experimental teaching device and measuring method

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Granted publication date: 20190820