CN203069376U - Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe - Google Patents
Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe Download PDFInfo
- Publication number
- CN203069376U CN203069376U CN 201320095384 CN201320095384U CN203069376U CN 203069376 U CN203069376 U CN 203069376U CN 201320095384 CN201320095384 CN 201320095384 CN 201320095384 U CN201320095384 U CN 201320095384U CN 203069376 U CN203069376 U CN 203069376U
- Authority
- CN
- China
- Prior art keywords
- pipe
- mouth
- water supply
- anchor clamps
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an apparatus used for detecting water engineering performance indexes of a check valve or a water supply and drainage pipe. The apparatus comprises a host machine, a liquid automatic pressurization system, and a test system; wherein the host machine consists of a gate-type frame, a lower clamping tool, and a hydraulic automatic rising-lowering clamping fixing device; the liquid automatic pressurization system generates pressurized liquid by a pressurization pump; the pressurized liquid is conveyed by a flexible pipe to provide a test pressure. Traditional sealing performance detection for check valves and water supply and drainage pipes (members) is often carried out in an on-site temporary simple way, and the detection speed and precision can not meet demands of modern engineering. The apparatus of the utility model changes the current situation of blank of the apparatuses for detecting performance indexes of the check valves or the water supply and drainage pipes, and can realize rapid and accurate detection of the check valves or the water supply and drainage pipes (members).
Description
Technical field
The utility model relates to a kind of for detection of reverse checkvalve and drainage pipeline (part) the water conservancy project journey performance detection instrument that arrives commonly used in the hydraulic engineering.
Background technology
In hydraulic engineering construction, ditch, canal, bank slope and some other engineering structure usually can face underground, and the face of land and otherwise plumbing problem in these problems of reply, need be used a lot of plumbing valves and water supply and sewerage pipeline (part).The performance quality of the engineering property of these water feeding and draining devices, successful installation, function is very big for the safe operation influence of engineering.Therefore, for the water conservancy project journey performance of these devices, it is very crucial that the detection of sealing property just seems.
Reverse checkvalve refers to rely on medium itself to flow and automatic open and close flap, is used for preventing the valve that medium flows backwards, and claims reverse checkvalve, retaining valve, reflux valve and counterbalance valve again.Reverse checkvalve belongs to a kind of automatic valve, and it mainly acts on is to prevent that medium from flowing backwards, preventing pump and driving motor counter-rotating, and the releasing of vessel media.Non-return valve also can be used for may rising to the backup system of pressing above system to wherein pressure to be provided on the pipeline of supply.Non-return valve mainly can be divided into swing check valve (according to the center of gravity rotation) and lift check valve (moving along axis).
For used reverse checkvalve in the hydraulic engineering, its major function is for phreatic drainage, if groundwater pressure increases because of a variety of causes, but owing to built native stone or xoncrete structure on the ground, normally draining, so ground corresponding construction can be because the seepage pressure effect, destroyedly falls at last.Simultaneously, the superstructure of face of land engineering is because function need be carried out retaining or other reasons has produced certain hydraulic pressure, and at this moment, it is underground that reverse checkvalve should prevent that these ponding from entering into, and the effect that this moment, valve should play is antiseepage.Therefore, for the equipment of this single slope drainage of reverse checkvalve, can it have very big influence in the due effect of performance in hydraulic engineering for the safe operation of hydraulic engineering.For reverse checkvalve, the quality of its performance mainly contains three critical indexs: (1) bottom loads hydraulic pressure, the initial head U of valve opening; (2) top loads hydraulic pressure, and valve guarantees reverse non-leakage pressure value P; (3) during normal draining, the flow value Q that valve passed through in the unit interval.
In engineering in the past, the proprietary instrument that detects at reverse checkvalve, water supply and sewerage pipeline (part) sealing still belongs to blank, generally all is easy test equipment of lift-launch when temporary needs test.Therefore, it is stable that the performance of equipment is difficult to keep, and the data of measuring are inaccurate, but also waste time and energy.Simultaneously, except reverse checkvalve, the test of the sealing property of a lot of water supply and sewerage pipelines does not yet have special instrument.Therefore it is necessary designing a testing tool at the performance index aspect of these plumbing valves and pipeline (part).
The utility model content
The purpose of this utility model provide a kind of system, easy, fast for detection of the instrument of reverse checkvalve and water supply and sewerage pipeline (part) engineering property index.
The technical solution of the utility model is:
A kind of instrument for reverse checkvalve or the detection of water supply and sewerage pipeline water conservancy project journey performance index, by main frame, the automatic compression system of liquid and test macro are formed, wherein, described test macro comprises tensimeter, piezometric tube and electromagnetic type flow meter, described main frame is by base, on hold anchor clamps, column, up and down screw, fluid pressure type automatic lifting clamping and fixing device, under hold anchor clamps and form, described base, on hold anchor clamps and column connects into the gate-type frame by described up and down screw, described fluid pressure type automatic lifting clamping and fixing device places on the base, the top of described fluid pressure type automatic lifting clamping and fixing device connects describedly holds anchor clamps down, holds anchor clamps under described to be provided with water inlet pipe mouth and the following pressure measurement mouth of pipe; Hold anchor clamps on described and be provided with the pressurization mouth of pipe and the last pressure measurement mouth of pipe, the described pressurization mouth of pipe is three-way valve, and the one end is communicated with tested member, and two ends are communicated with described tensimeter and electromagnetic type flow meter respectively in addition; The automatic compression system of described liquid is connected with described water inlet pipe mouth, and described piezometric tube is connected with the last pressure measurement mouth of pipe with the described pressure measurement mouth of pipe down respectively.
Detecting instrument of the present utility model has changed the present situation of reverse checkvalve, water supply and sewerage pipeline (part) performance index detecting instrument blank, can realize that reverse checkvalve, water supply and sewerage pipeline (part) examine and determine fast and accurately.
Description of drawings
Fig. 1 detecting instrument synoptic diagram of the present utility model
Among the figure, 1. base is held anchor clamps on 2., 3. column, 4. up and down screw, 5. fluid pressure type automatic lifting clamping and fixing device, 6. hold anchor clamps, 7. watertight rubber circle, 8. water inlet pipe mouth down, 9. descend the pressure measurement mouth of pipe, the 10. pressurization mouth of pipe, the pressure measurement mouth of pipe on 11., 12. tensimeter, 13, the automatic compression system of liquid, 14. piezometric tube, 15. electromagnetic type flow meters.
Embodiment
As shown in Figure 1, detecting instrument of the present utility model is by main frame, the automatic compression system of liquid and test macro are formed, wherein, described test macro comprises tensimeter 12, piezometric tube 14 and electromagnetic type flow meter 15, described main frame is by base 1, on hold anchor clamps 2, column 3, up and down screw 4, fluid pressure type automatic lifting clamping and fixing device 5, under hold anchor clamps 6 and form, described base 1, on hold anchor clamps 2 and column 3 connects into the gate-type frame by up and down screw 4, described fluid pressure type automatic lifting clamping and fixing device 5 places on the base 1, the top of described fluid pressure type automatic lifting clamping and fixing device 5 connects describedly holds anchor clamps 6 down, holds anchor clamps 6 under described to be provided with water inlet pipe mouth 8 and the following pressure measurement mouth of pipe 9; Hold anchor clamps 2 on described and be provided with the pressurization mouth of pipe 10 and the last pressure measurement mouth of pipe 11, the described pressurization mouth of pipe 10 is three-way valve, and the one end is communicated with tested member, and two ends are communicated with described tensimeter 12 and electromagnetic type flow meter 15 respectively in addition; The automatic compression system 13 of described liquid is connected with described water inlet pipe mouth 8, and described piezometric tube 14 is connected with the last pressure measurement mouth of pipe 11 with the described pressure measurement mouth of pipe 9 down respectively.
Reverse checkvalve or water supply and sewerage pipeline (part) can conveniently be placed and take out to the gate-type frame, have pore the rigidity material on clamping fixture 6 and under hold anchor clamps 2 and watertight rubber circle, by lifting and the hydraulic pressure of fluid pressure type automatic lifting clamping and fixing device 5, can be with tested member sealing and fixing on main frame.
The automatic compression system of liquid produces fluid under pressure by force (forcing) pump, through control pressurer system, be transported in the sample by forcing hose, carry out water conservancy project journey performance (opening water pressure, reverse non-leakage force value, the aquifer yield in the unit interval under the different water pressure value and the dense water energy etc.) test of reverse checkvalve or water supply and sewerage pipeline (part).
Test macro comprises the electromagnetic type flow meter 15 of the aquifer yield that tensimeter 12, piezometric tube 14 and the measuring unit time of test water pressure is interior.This electromagnetic type flow meter 15 has automatic recording control system, and the spout diameter of this electromagnetic type flow meter is designed to 15mm, and it is 0.0636m that the unit interval can record flow range
3/ h～9.54m
3/ h, and drafting time～aquifer yield relation curve also can measure with graduated cylinder.
Embodiment one: the mensuration of reverse checkvalve index
1 opens the mensuration of head U
1.1 the reverse checkvalve that will need to test is placed on the following of steel and holds on the anchor clamps 6, a watertight rubber circle 7 is respectively filled up at the reverse checkvalve two ends, regulates up and down screw 4, with reverse checkvalve be fixed on down hold anchor clamps 6 and on hold between the anchor clamps 2.
1.2 water inlet pipe mouth 8 is connected to the automatic compression system 13 of liquid by rubber tube, and the following pressure measurement mouth of pipe 9, the last pressure measurement mouth of pipe 11 are connected to piezometric tube 14 by rubber tube.
1.3 open the automatic compression system 14 of liquid, from water inlet pipe mouth 8 water inlets, when having water to overflow, stop into water until the last pressure measurement mouth of pipe 11 (draining, exhaust), note discharging the bubble in each rubber tube simultaneously, this moment, reverse checkvalve inside was all filled by water.Read the displayed value P of the manometric numerical value of automatic compression system or sensor
1, read down the head value U of the piezometric tube 14 that the pressure measurement mouth of pipe 9 connects simultaneously
1
1.4 open the automatic compression system 13 of liquid, slowly strengthen intake pressure and flow by the control of the valve on the pressurized equipment, when the mouth of pipe 11 there are flowing out, no longer increase hydraulic pressure, read the displayed value P of the manometric numerical value of automatic compression system or sensor
2, the mouth of pipe 11 is connected on the hydraulic pressure mensuration pipe by proofed sleeve, read the head value U of the piezometric tube 14 of pressure measurement pore 11 connections
2
1.5 namely open head U=(P
2-P
1) or (U
2-U
1), at 2cm～3cm, then reverse checkvalve is qualified on this index of unlatching head, otherwise is defective as if U.
2 tops load hydraulic pressure, the reverse seepage index determining that do not take place
The mouth of pipe 10 is connected to the automatic compression system 13 of liquid 2.1 will pressurize.
2.2 open the automatic compression system 13 of liquid, from 10 water inlets of the pressurization mouth of pipe, when the last pressure measurement mouth of pipe 11 places there are flowing out, stop into water, note discharging the bubble in each rubber tube simultaneously, this moment, reverse checkvalve inside was all filled by water.
2.3 close water inlet pipe mouth 8 and the last pressure measurement mouth of pipe 11 place's valves.
Continue to increase hydraulic pressure to specified pressure value 200kPa 2.4 open the automatic compression system of liquid, and keep 15min, the observation pressure measurement mouth of pipe 9 down has or not the infiltration phenomenon, if the pressure measurement mouth of pipe 9 places do not have the seepage phenomenon down, then this reverse checkvalve is qualified in this index.If the seepage phenomenon takes place, then be defective.
During 3 normal drainings, at seepage flow index determining of following unit interval of head at different levels
3.1 water inlet pipe mouth 8 is connected to the automatic compression system 13 of liquid, and the following pressure measurement mouth of pipe 9 and the last pressure measurement mouth of pipe 11 are connected to piezometric tube 14.
3.2 open the automatic compression system of liquid, from water inlet pipe mouth 8 water inlets, 11 places have water to overflow until the last pressure measurement mouth of pipe, stop into water, note discharging the bubble in each rubber tube simultaneously, this moment, reverse checkvalve inside was all filled by water.
3.3 open the valve at the pressurization mouth of pipe 10 places, connect electromagnetic type flow meter 15 and automatic recording control system.
3.4 read the displayed value P of the manometric numerical value of the automatic compression system of liquid or sensor
3, read down the pressure measurement mouth of pipe 9 head value U of place simultaneously
3
3.5 open the automatic compression system of liquid, by loading hydraulic pressure gradually in 8 pairs of reverse checkvalves of water inlet pipe mouth, read the displayed value P of the manometric numerical value of the automatic compression system of liquid or sensor
4, read instant head value U by the piezometric tube that is connected to down the pressure measurement mouth of pipe 9 places simultaneously
4, control U
r=(P
4-P
3) or (U
4-U
3) difference at 5cm, 10cm, 15cm during the 22cm left and right sides, carries out the mensuration of aquifer yield in the unit interval.
3.6 when head difference was controlled in the difference shown in the step 3.5, the electromagnetic type flow meter 15 by the pressurization mouth of pipe 10 places connect read the aquifer yield W in the certain hour t
t, according to the automatic recording control system of electromagnetic type flow meter record time～the aquifer yield relation curve, get 4 time periods continuously, calculate corresponding head difference U at last
rCorresponding specific discharge Q.
3.7 will test 4 head difference U of gained
rBe depicted as the form correlation curve with specific discharge Q correspondence, and by using the Excel secondary development, the independent research corresponding program passes through Q-U
rMatched curve can obtain the corresponding unit interval flow value Q of any water pressure (pressure head)
r
3.8 will calculate the Q of unit of gained
rCompare with the numerical value of correlation engineering designing requirement, meet the demands, then be qualified on this index of this reverse checkvalve, otherwise be defective.
Embodiment two: water supply and sewerage pipeline (part) watertightness test
1. the water supply and sewerage pipeline (part) that will need to test is placed on the following of main frame 5 tops and holds on the anchor clamps 6, and a rubber ring 7 is respectively filled up at the reverse checkvalve two ends, by self-raising platform with reverse checkvalve be fixed on down hold anchor clamps 6 and on hold between the anchor clamps 2.
2. beat the automatic compression system of liquid, from water inlet pipe mouth 8 water inlets, when the last pressure measurement mouth of pipe 11 places have water to overflow, stop into water, note discharging the bubble in each rubber tube simultaneously, this moment, reverse checkvalve inside was all filled by water.
3. close down the valve at the pressure measurement mouth of pipe 11 places, close down the pressure measurement mouth of pipe 9 and the pressurization mouth of pipe 10 valves simultaneously, water inlet pipe mouth 8 connects the automatic compression system of liquid.
4. open liquid (water) compression system automatically, the hydraulic pressure of force value is decided in water loading by 8 pairs of water supply and sewerage pipelines of water inlet pipe mouth (part), observation water supply and sewerage pipeline (part) perisporium has or not the infiltration phenomenon, if water supply and sewerage pipeline (part) perisporium does not have the pressure indicating value of seepage phenomenon or the automatic compression system of liquid (water) to remain unchanged, then this water supply and sewerage pipeline (part) is qualified in this index.Though if the pressure compensating system continuous working of seepage phenomenon or the automatic compression system of liquid takes place, the pressure indicating value is still unstable.
According to the requirement of relevant departments for this kind instrument key index: when (1) bottom loads hydraulic pressure, valve opening head U is at 2cm～3cm, (2) top loads hydraulic pressure, the minimum pressure values P of seepage does not take place the reverse assurance of valve must not be less than 200kPa, during (3) normal draining, is respectively 5cm in the head value, 10cm, 15cm, during 20cm, its specific discharge must not be less than design load.
Claims (1)
1. one kind is used for the instrument that reverse checkvalve or water supply and sewerage pipeline water conservancy project journey performance index detect, by main frame, the automatic compression system of liquid (13) and test macro are formed, wherein, described test macro comprises tensimeter (12), piezometric tube (14) and electromagnetic type flow meter (15), described main frame is by base (1), on hold anchor clamps (2), column (3), up and down screw (4), fluid pressure type automatic lifting clamping and fixing device (5), under hold anchor clamps (6) and form, described base (1), on hold anchor clamps (2) and column (3) connects into the gate-type frame by described up and down screw (4), described fluid pressure type automatic lifting clamping and fixing device (5) places on the base (1), the top of described fluid pressure type automatic lifting clamping and fixing device (5) connects holds anchor clamps (6) under described, holds anchor clamps (6) under described to be provided with water inlet pipe mouth (8) and the following pressure measurement mouth of pipe (9); Hold anchor clamps (2) on described and be provided with the pressurization mouth of pipe two (10) and the last pressure measurement mouth of pipe (11), the described pressurization mouth of pipe (10) is three-way valve, and the one end is communicated with tested member, and two ends are communicated with described tensimeter (12) and electromagnetic type flow meter (15) respectively in addition; The automatic compression system of described liquid (13) is connected with described water inlet pipe mouth (8), and described piezometric tube (14) is connected with the last pressure measurement mouth of pipe (11) with the described pressure measurement mouth of pipe (9) down respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095384 CN203069376U (en) | 2013-03-04 | 2013-03-04 | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095384 CN203069376U (en) | 2013-03-04 | 2013-03-04 | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069376U true CN203069376U (en) | 2013-07-17 |
Family
ID=48768150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320095384 Expired - Fee Related CN203069376U (en) | 2013-03-04 | 2013-03-04 | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768744A (en) * | 2016-12-12 | 2017-05-31 | 苏州市吴江滨湖检测技术有限公司 | A kind of mechanical box of pipe fitting non-deformability test |
| CN110095239A (en) * | 2019-05-29 | 2019-08-06 | 深圳市宝利联合科技有限公司 | Refrigerator refrigerant non-return valve air-tightness detection device and detection method |
| CN113865857A (en) * | 2021-09-29 | 2021-12-31 | 中国航发动力股份有限公司 | Simple valve opening micro-pressure testing device and testing method |
-
2013
- 2013-03-04 CN CN 201320095384 patent/CN203069376U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768744A (en) * | 2016-12-12 | 2017-05-31 | 苏州市吴江滨湖检测技术有限公司 | A kind of mechanical box of pipe fitting non-deformability test |
| CN106768744B (en) * | 2016-12-12 | 2023-06-30 | 苏州市吴江滨湖检测技术有限公司 | Mechanical box for testing deformation resistance of pipe fitting |
| CN110095239A (en) * | 2019-05-29 | 2019-08-06 | 深圳市宝利联合科技有限公司 | Refrigerator refrigerant non-return valve air-tightness detection device and detection method |
| CN113865857A (en) * | 2021-09-29 | 2021-12-31 | 中国航发动力股份有限公司 | Simple valve opening micro-pressure testing device and testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109724865B (en) | Tunnel lining water pressure monitoring system test device and test method | |
| CN201130143Y (en) | Porous medium material permeability coefficient determinator | |
| CN106501155A (en) | Rock core gas liquid two purpose permeability test device and reservoir damage evaluation method | |
| CN105486840A (en) | Solidification and permeation combined experimental device | |
| CN203672756U (en) | Indoor constant head test device for anisotropic soil bidirectional permeability coefficient | |
| CN103792172B (en) | Adding pressure type falling head permeameter | |
| CN107121369A (en) | A kind of full-automatic Darcy's law experimental system | |
| CN206223619U (en) | A kind of permeability coefficient of cement soil tester | |
| CN206161492U (en) | Can realize becoming penetrant unit of water pressure effect | |
| CN104764874B (en) | Concrete mix air content detection device and method | |
| CN203069376U (en) | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe | |
| CN107436140A (en) | The settling column test instrument and test method that vacuum preloading and piling prepressing are combined | |
| CN207096048U (en) | A kind of self-circulation type permeameter improves device | |
| CN202256111U (en) | Asphalt mixture porosity testing device | |
| CN206459937U (en) | A kind of packer permeability test device of engineering geological investigation | |
| CN203116927U (en) | Check valve detector | |
| CN106840990A (en) | A kind of achievable permeability apparatus for becoming effect of water pressure | |
| CN104897544B (en) | The vaporization prevention type double-ring infiltration instrument for being easily installed and fixing | |
| CN206609758U (en) | One kind is used for air water high-pressure osmosis device in laboratory soil test | |
| CN107795315A (en) | Determination of coal seam gas pressure device and its method for measuring gas pressure of coal bed under the participation of coal mine shaft lining pit shaft hydraulic pressure | |
| CN208547406U (en) | A kind of oily whey interface liquid level gauge of hydrometer method measurement | |
| CN202853949U (en) | Device for in-situ continuous collection of nitrogen gas | |
| CN203116959U (en) | Apparatus for water engineering performance index detection of check valve or water supply and drainage pipelines | |
| CN201464336U (en) | Portable soil constant pressure permeameter | |
| CN211824573U (en) | Small-flow irregular river flow measurement auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130717 Termination date: 20200304 |