CN203163951U - Check valve connecting part sealing performance simulation testing device - Google Patents
Check valve connecting part sealing performance simulation testing device Download PDFInfo
- Publication number
- CN203163951U CN203163951U CN 201320107145 CN201320107145U CN203163951U CN 203163951 U CN203163951 U CN 203163951U CN 201320107145 CN201320107145 CN 201320107145 CN 201320107145 U CN201320107145 U CN 201320107145U CN 203163951 U CN203163951 U CN 203163951U
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- China
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- pressure plate
- external pressure
- reverse checkvalve
- sealing
- standpipe
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Abstract
The utility model discloses a check valve connecting part sealing performance simulation testing device comprising a water inlet pressurization device and a sealing cylinder. An upper part of the sealing cylinder is provided with a water inlet pressurization pipe opening, and the water inlet pressurization device is connected with the sealing cylinder by a connecting pipe. An upper part of the sealing cylinder is provided with a deflation valve and a first pressure gauge, and a vertical pipe, an upper end of which is sealed, is disposed in the sealing cylinder. A bottom part of the sealing cylinder is provided with an upper layer outer pressing disc and a lower layer outer pressing disc, between which is disposed a geomembrane. A lower end surface of the lower layer outer pressing disc is connected with the check valve, and an upper end surface of the upper layer outer pressing disc is provided with a groove. A lower end of the vertical pipe is inserted in the groove, and a sealing connection between the vertical pipe and the upper layer outer pressing disc can be formed by the groove. The device has advantages of simple structure, convenient assembly and movement, and abilities of carrying out a lot of check valve sealing performance testing work at construction site, preventing loss and waste of water resource, and improving benefits of reservoir project.
Description
Technical field
The utility model relates to the hydraulic engineering technical field, is specifically related to a kind of reverse checkvalve connecting portion sealing property model test apparatus.
Background technology
In the reservoir engineering of plains region, lay the large tracts of land geomembrane and prevent under the reservoir filling inflow place, owing to lay geomembrane, underground back produces a large amount of gas after retaining, drainage exhaust often adopts reverse checkvalve in reservoir seepage-proofing geomembrane bottom, by reverse checkvalve gas is discharged ground from bottom to top.The airtight performance of reverse checkvalve coupling part is extremely important, if reverse checkvalve is airtight bad, just has water and permeates the ground from reverse checkvalve, causes the water resource loss, reduces the benefit that reservoir engineering brings, and therefore needs its leakproofness of check.Owing to do not check the device of reverse checkvalve coupling part leakproofness in the prior art rationally and effectively, make that existing inspection technology workload is heavy, be difficult to carry out the handled easily of working-yard.Therefore be badly in need of a kind of device of checking reverse checkvalve coupling part airtight performance quickly and easily that is applicable to.
Summary of the invention
The utility model provides a kind of reverse checkvalve connecting portion sealing property model test apparatus in order to solve the prior art above shortcomings; Constructional device is simple, uses reliably, and ease of assembly moves, and can finish a large amount of reverse checkvalve leakproofness work for inspection of working-yard, prevents loss and the waste of water resource, improves the reservoir engineering benefit.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of reverse checkvalve connecting portion sealing property model test apparatus, comprise into water pressue device, sealing bore, sealing bore top is provided with the into water pressurization mouth of pipe, the water inlet pressue device is connected by connecting pipe with sealing bore, sealing bore top is provided with air release, first tensimeter, be provided with standpipe in the sealing bore, the sealing of standpipe upper end, the sealing bore bottom is provided with the upper strata external pressure plate, lower floor's external pressure plate, be provided with geomembrane between upper strata external pressure plate and the lower floor's external pressure plate, lower floor external pressure plate lower surface is connected with reverse checkvalve, and external pressure plate upper surface, upper strata is provided with groove, groove is inserted in the standpipe lower end, and standpipe and upper strata external pressure plate form by groove and be tightly connected.Prevent the soil infiltration by the geomembrane between upper strata external pressure plate, the lower floor's external pressure plate.
The upper strata external pressure plate is provided with first connecting hole, and reverse checkvalve is provided with second connecting hole, and the upper strata external pressure plate is connected by first connecting hole, second connecting hole with reverse checkvalve.
Be provided with O-ring seal in the groove, the internal diameter of O-ring seal cooperates with the standpipe cylindrical.
Sealing bore adopts stainless steel material, sealing bore diameter phi 240mm, thickness 1.5mm, height 600mm.
Be provided with the silica gel mould between reverse checkvalve and lower floor's external pressure plate bottom joint face, upper strata external pressure plate and the sealing bore joint face.
The water inlet pressue device is provided with second tensimeter.
Standpipe is pvc pipe, and described PVC standpipe outside diameter is φ 110mm.
The sealing bore outer wall is provided with handle.Be convenient to sealing bore carry, easy for installation.
The beneficial effects of the utility model:
1. constructional device is simple, and ease of assembly moves, and can finish a large amount of reverse checkvalve leakproofness work for inspection of working-yard, prevents loss and the waste of water resource, improves the benefit that reservoir engineering brings;
2. by laying the silica gel mould, reverse checkvalve closely is connected with the sealing tube, with the lower end that contacts with sealing pad tongue is set in φ 110mmPVC standpipe upper end, prevents that standpipe from vertically sliding;
3. sealing bore adopts stainless steel material to make diameter phi 240mm, thickness 1.5mm, height 600mm, the bottom has bolt hole to be connected with reverse checkvalve, and the top is provided with tensimeter, for detection of pressure values in the airtight tube, the top air release be used for to be given airtight tube venting, convenient water filling in the tube, the side is provided with into water pressurization hole, be used for to the interior water filling pressurization of airtight tube, the side is provided with handle, and it is more convenient that airtight tube is installed;
4. the water inlet pressue device links to each other with airtight tube with manual water inlet pressue device, increases the interior pressure of airtight tube by the mode that adds water in airtight tube, makes it reach the needed pressure of check reverse checkvalve coupling part quality.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Wherein, 1, air release, 2, first tensimeter, 3, sealing bore, 4, the upper strata external pressure plate, 5, the water inlet pressurization mouth of pipe, 6, standpipe, 7, second tensimeter, 8, geomembrane, 9, the water inlet pressue device, 10, groove, 11, handle, 12, lower floor's external pressure plate.Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
A kind of reverse checkvalve connecting portion sealing property model test apparatus, comprise into water pressue device 9, sealing bore 3, sealing bore 3 tops are provided with the into water pressurization mouth of pipe 5, water inlet pressue device 9 and sealing bore 3 are connected by connecting pipe, sealing bore 3 tops are provided with air release 1, first tensimeter 2, be provided with standpipe 6 in the sealing bore 3, the sealing of standpipe 6 upper ends, sealing bore 3 bottoms are provided with upper strata external pressure plate 4, lower floor's external pressure plate 12, be provided with geomembrane between upper strata external pressure plate 4 and the lower floor's external pressure plate 12, lower floor's external pressure plate 12 lower surfaces are connected with reverse checkvalve, and external pressure plate 4 upper surfaces in upper strata are provided with groove, groove 10 is inserted in the standpipe lower end, and standpipe and upper strata external pressure plate 4 form by groove 10 and be tightly connected.Prevent the soil infiltration by the geomembrane between upper strata external pressure plate 4, the lower floor's external pressure plate 12.Upper strata external pressure plate 4 is provided with first connecting hole, and reverse checkvalve is provided with second connecting hole, and upper strata external pressure plate 4 is connected by first connecting hole, second connecting hole with reverse checkvalve.Be provided with O-ring seal in the groove 10, the internal diameter of O-ring seal cooperates with standpipe 6 cylindricals.Sealing bore 3 adopts stainless steel material, sealing bore diameter phi 240mm, thickness 1.5mm, height 600mm.Be provided with silica gel mould 8 between reverse checkvalve and lower floor's external pressure plate 4 bottom joint faces, upper strata external pressure plate and the sealing bore joint face.
The water inlet pressue device is provided with second tensimeter 7.Standpipe 6 is pvc pipe, and described PVC standpipe outside diameter is φ 110mm.
Sealing bore 3 outer walls are provided with handle 11.Be convenient to sealing bore carry, easy for installation.
During use reverse checkvalve is connected with external pressure plate 4, sealing bore 3 is enclosed within on the reverse checkvalve from the upper end, with bolt that reverse checkvalve and external pressure plate 4 is fastening; Open sealing bore 3 top air releases 1, till being filled to air release 1 in the sealing bore 3 and having water to overflow; Close air release 1, with the water fillings pressurization in the sealing bore 3 of the water of water inlet pressue device, reach setting value to first tensimeter 2; Check that reverse checkvalve has ne-leakage, judges whether sealing is good.
Though above-mentionedly by reference to the accompanying drawings the embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (8)
1. reverse checkvalve connecting portion sealing property model test apparatus, comprise into water pressue device, sealing bore, sealing bore top is provided with the into water pressurization mouth of pipe, the water inlet pressue device is connected by connecting pipe with sealing bore, sealing bore top is provided with air release, first tensimeter, be provided with standpipe in the sealing bore, the sealing of standpipe upper end, the sealing bore bottom is provided with the upper strata external pressure plate, lower floor's external pressure plate, be provided with geomembrane between upper strata external pressure plate and the lower floor's external pressure plate, lower floor external pressure plate lower surface is connected with reverse checkvalve, and external pressure plate upper surface, upper strata is provided with groove, groove is inserted in the standpipe lower end, and standpipe and upper strata external pressure plate form by groove and be tightly connected.
2. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1, it is characterized in that, the upper strata external pressure plate is provided with first connecting hole, and reverse checkvalve is provided with second connecting hole, and the upper strata external pressure plate is connected by first connecting hole, second connecting hole with reverse checkvalve.
3.. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that be provided with O-ring seal in the described groove, the internal diameter of O-ring seal cooperates with the standpipe cylindrical.
4. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that, described sealing bore adopts stainless steel material, sealing bore diameter of phi 240mm, thickness 1.5mm, height 600mm.
5. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that, is provided with the silica gel mould between described reverse checkvalve and lower floor's external pressure plate bottom joint face, upper strata external pressure plate and the sealing bore joint face.
6. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that described water inlet pressue device is provided with second tensimeter.
7. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that described standpipe is pvc pipe, and described PVC standpipe outside diameter is Φ 110mm.
8. reverse checkvalve connecting portion sealing property model test apparatus as claimed in claim 1 is characterized in that described sealing bore outer wall is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107145 CN203163951U (en) | 2013-03-08 | 2013-03-08 | Check valve connecting part sealing performance simulation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107145 CN203163951U (en) | 2013-03-08 | 2013-03-08 | Check valve connecting part sealing performance simulation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163951U true CN203163951U (en) | 2013-08-28 |
Family
ID=49025128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107145 Expired - Fee Related CN203163951U (en) | 2013-03-08 | 2013-03-08 | Check valve connecting part sealing performance simulation testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175664A (en) * | 2013-03-08 | 2013-06-26 | 山东大学 | Model test device and test method for sealing performance of joints of check valves |
| CN112098073A (en) * | 2020-08-28 | 2020-12-18 | 清华大学 | Method and device for detecting cold-state check performance of check combined valve |
-
2013
- 2013-03-08 CN CN 201320107145 patent/CN203163951U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175664A (en) * | 2013-03-08 | 2013-06-26 | 山东大学 | Model test device and test method for sealing performance of joints of check valves |
| CN103175664B (en) * | 2013-03-08 | 2016-05-04 | 山东大学 | Non-return valve connecting portion sealing property model test apparatus and test method |
| CN112098073A (en) * | 2020-08-28 | 2020-12-18 | 清华大学 | Method and device for detecting cold-state check performance of check combined valve |
| CN112098073B (en) * | 2020-08-28 | 2021-11-09 | 清华大学 | Method and device for detecting cold-state check performance of check combined valve |
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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 |
Granted publication date: 20130828 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |