CN201449316U - Water-pressure testing device for tank car manhole assembly - Google Patents
Water-pressure testing device for tank car manhole assembly Download PDFInfo
- Publication number
- CN201449316U CN201449316U CN2009200344333U CN200920034433U CN201449316U CN 201449316 U CN201449316 U CN 201449316U CN 2009200344333 U CN2009200344333 U CN 2009200344333U CN 200920034433 U CN200920034433 U CN 200920034433U CN 201449316 U CN201449316 U CN 201449316U
- Authority
- CN
- China
- Prior art keywords
- manhole
- pipeline
- pressure
- tank car
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 abstract 2
- 230000005520 electrodynamics Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a water-pressure testing device for a railway tank car manhole assembly, which comprises a water source, a water suction pipeline, a pressurizing pipeline, a manhole assembly placing platform and an unloading pipeline, wherein the water suction pipeline is connected with the water source, the pressurizing pipeline is connected through an outlet of a pressurizing water pump, the manhole assembly placing platform is connected with the other end of the pressurizing pipeline, and the unloading pipeline is connected with the manhole assembly placing platform. A four-way is arranged on the pressurizing pipeline, two ways of the four-way are one part of the pressurizing pipeline, one of the rest two ways is a detecting pipeline, the other one of the rest two ways is an overflow pipeline, a plurality of pressure sampling holes are disposed on the detecting pipeline, a pressure gauge or a pressure sensor is disposed correspondingly to each pressure sampling hole, the manhole assembly placing platform is connected with an air exhaust pipeline, and an air exhaust valve or an automatic air exhausting device formed by a liquid level switch and an electrodynamic valve are arranged on the air exhaust pipeline. The water-pressure testing device solves the technical problem that tested pressure data are inaccurate because residual gas inside the manhole assembly can not be exhausted clearly, leads the gas inside the manhole assembly to be exhausted by arranging the automatic air exhaust valve, and enables pressure values to be more accurate by employing a high-precision pressure transmitter.
Description
Technical field
The utility model relates to a kind of water test unit, is specifically related to a kind of tank car tank body manhole and forms water test unit.
Background technology
Whether all need to detect its parameter after the tank car manhole is formed qualified, method commonly used at present is that the hydraulic testing detects, to detect be fills with water and be pressurized to certain pressure in manhole is formed in the hydraulic testing particularly, stop pressurization then and keep certain hour, in this process, gather each parameter that manhole is formed, parameter that obtains and reference parameter are relatively judged the situation of manhole composition self.Because manhole is formed the design feature of self, existing water test unit can't be formed inner residual gas by the emptying manhole, and force samples is inaccurate when causing the hydraulic testing.
Summary of the invention
The purpose of this utility model is to provide a kind of tank car manhole to form water test unit, its solve in background technology manhole form inner residual gas can't emptying, cause the inaccurate technical matters of test pressure data.
Technical solution of the present utility model is:
A kind of tank car manhole is formed water test unit, comprise the water source, the suction line that is connected with the water source, pressure pipeline by pressure pump outlet connection, be connected manhole with the pressure pipeline other end and form placement platform, and the off-load pipeline that is connected with manhole composition placement platform, a four-way is set on the described pressure pipeline, this four-way wherein two logical is the part of pressure pipeline, other two logical in, one logical is signal piping, another is logical to be overflow passage, and a plurality of force samples hole is arranged on the described signal piping, and each force samples hole correspondence is provided with a tensimeter or pressure transducer, it is characterized in that: described manhole is formed placement platform and is connected a gas exhaust piping, and described gas exhaust piping is provided with the automatic exhaust device that vent valve or level switch and motorized valve are formed.
Above-mentioned vent valve is an automatic exhaust steam valve.
Above-mentioned a plurality of force samples hole is symmetrical arranged with the vertical center line of signal piping.
Above-mentioned force samples hole is 2 or 4.
Above-mentioned pressure pipeline and the off-load pipeline all is connected with hand valve or/and motorized valve.
Above-mentioned pressure transducer is 2 or 4.
Above-mentioned overflow passage is provided with surplus valve.
Be provided with filtration unit in the position of stretching into the water source on the above-mentioned suction line.
Be provided be filled with water dividing plate and manhole composition hold down gag on the above-mentioned manhole composition placement platform from inside to outside successively, described being filled with water also is provided with seal groove between dividing plate and the manhole composition hold down gag.
It is the screw thread mechanical clamping device that above-mentioned manhole is formed hold down gag.
Advantage of the present utility model is:
1) can measure manhole and form interior location peak force value (law of connected vessels).
2) automatic exhaust steam valve is set, can discharges manhole and form internal gas.
3) adopt more high-precision pressure unit, institute's measuring pressure value is more accurate.
4) can realize automatic deloading or manually off-load.
5) manhole is formed hydraulic testing consideration control automatically; introduce motorized valve and control automatically by host computer b, when superpressure, pressure unit feeds back to host computer to pressure signal; host computer sends instruction to be stopped pressure pump and closes the pressure pipeline motorized valve, plays the overpressure protection effect.
6) overflow passage is provided with surplus valve, and when the top hole pressure of pressure pump during greater than the set-pressure of surplus valve, surplus valve is opened and shielded.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model work synoptic diagram.
The drawing reference numeral explanation:
The 1-suction line; The 2-pressure pipeline; The 3-signal piping; The 4-gas exhaust piping; 5-off-load pipeline; The 6-overflow passage; The 7-manhole is formed placement platform; 8-force samples hole; The 9-tensimeter; The 10-pressure transducer; The 11-automatic exhaust steam valve; The 12-hand valve; The 13-motorized valve; The 14-surplus valve; The 15-filtration unit; The 16-pressure pump; The 17-water source; The 18-dividing plate that is filled with water; The 19-manhole is formed hold down gag; The 20-seal groove.
Embodiment
Referring to Fig. 1, a kind of tank car manhole is formed water test unit, comprise water source 17, the suction line 1 that is connected with water source 17, pressure pipeline 2 by pressure pump 16 outlet connections, be connected manhole with pressure pipeline 2 other ends and form placement platform 7, and the off-load pipeline 5 that is connected with manhole composition placement platform 7, a four-way is set on the pressure pipeline 2, this four-way wherein two logical is the part of pressure pipeline 2, other two logical in, one logically is signal piping 3, another is logical to be overflow passage 6, a plurality of force samples hole 8 is arranged on the signal piping 3, each force samples hole 8 correspondence is provided with a tensimeter 9 or pressure transducer 10, and manhole is formed placement platform 7 and connected a gas exhaust piping 4, and gas exhaust piping 4 is provided with the automatic exhaust device that automatic exhaust steam valve or level switch and motorized valve are formed; A plurality of force samples hole 8 is symmetrical arranged with signal piping 3 vertical center lines, and force samples hole 8 is 2 or 4; Pressure pipeline 2 all is connected with hand valve 12 or/and motorized valve 13 with off-load pipeline 5; Pressure transducer 10 is 2 or 4, and overflow passage 6 is provided with surplus valve 14; Be provided with filtration unit 15 in the position of stretching into water source 17 on the suction line 1,, guarantee the experiment quality with impurity in the filtered water; Be provided be filled with water dividing plate 18 and manhole composition hold down gag 19 on the manhole composition placement platform 7 from inside to outside successively, being filled with water also is provided with seal groove 20 between dividing plate 18 and the manhole composition hold down gag 19, and wherein manhole composition hold down gag 19 is the screw thread mechanical clamping device.
Referring to Fig. 2, during work, manhole is formed on the seal groove 20 that directly is positioned over manhole composition placement platform 7, and it is fastening with the screw thread mechanical clamping device, the water filling in manhole is formed by suction line 1 and pressure pipeline 2, water is formed lid at be filled with water dividing plate 18 and manhole and is formed an airtight space, but residue in the gas that manhole is formed top by gas exhaust piping 4 emptyings again, again with a plurality of force samples hole 8 is arranged on signal piping 3 and the signal piping 3, each force samples hole 8 correspondence is provided with the pressure data of a tensimeter 9 or pressure transducer 10 tests, at this moment the pressure data that detects according to law of connected vessels is the actual pressure that manhole is formed the interior location peak, after detection finishes, by 5 off-loads of off-load pipeline, finish detection again.Consider the automatic control of whole device; can also introduce motorized valve and pressure unit and realize control automatically by host computer; when superpressure; pressure unit feeds back to host computer to pressure signal; host computer sends instruction to be stopped pressure pump 16 and closes pressure pipeline 2 motorized valves, plays the overpressure protection effect.Simultaneously, when the top hole pressure of pressure pump 16 during greater than the set-pressure of surplus valve, surplus valve 14 is opened and is played a protective role.
Claims (10)
1. a tank car manhole is formed water test unit, comprise water source (17), the suction line (1) that is connected with water source (17), pressure pipeline (2) by pressure pump (16) outlet connection, be connected manhole with pressure pipeline (2) other end and form placement platform (7), and the off-load pipeline (5) that is connected with manhole composition placement platform (7), a four-way is set on the described pressure pipeline (2), this four-way wherein two logical is the part of pressure pipeline (2), other two logical in, one logical is signal piping (3), another is logical to be overflow passage (6), a plurality of force samples hole (8) is arranged on the described signal piping (3), each force samples hole (8) correspondence is provided with a tensimeter (9) or pressure transducer (10), it is characterized in that: described manhole is formed placement platform (7) and is connected a gas exhaust piping (4), and described gas exhaust piping (4) is provided with the automatic exhaust device that vent valve (11) or level switch and motorized valve are formed.
2. form water test unit according to the described tank car manhole of claim 1, it is characterized in that: described vent valve (11) is an automatic exhaust steam valve.
3. form water test unit according to claim 1 or 2 described tank car manholes, it is characterized in that: described a plurality of force samples holes (8) are symmetrical arranged with the vertical center line of signal piping (3).
4. form water test unit according to the described tank car manhole of claim 3, it is characterized in that: described force samples hole (8) is 2 or 4.
5. form water test unit according to the described tank car manhole of claim 4, it is characterized in that: described pressure pipeline (2) all is connected with hand valve (12) or/and motorized valve (13) with off-load pipeline (5).
6. form water test unit according to the described tank car manhole of claim 5, it is characterized in that: described pressure transducer (10) is 2 or 4.
7. form water test unit according to the described tank car manhole of claim 6, it is characterized in that: described overflow passage (6) is provided with surplus valve 14.
8. form water test unit according to the described tank car manhole of claim 7, it is characterized in that: described suction line (1) is gone up and is provided with filtration unit (15) in the position of stretching into water source (17).
9. described according to Claim 8 tank car manhole is formed water test unit, it is characterized in that: be provided with dividing plate that is filled with water (18) and manhole on the described manhole composition placement platform (7) from inside to outside successively and form hold down gag (19), also be provided with seal groove (20) between described dividing plate that is filled with water (18) and the manhole composition hold down gag (19).
10. described according to Claim 8 tank car manhole is formed water test unit, it is characterized in that: described manhole is formed hold down gag (19) and is the screw thread mechanical clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200344333U CN201449316U (en) | 2009-09-03 | 2009-09-03 | Water-pressure testing device for tank car manhole assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200344333U CN201449316U (en) | 2009-09-03 | 2009-09-03 | Water-pressure testing device for tank car manhole assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449316U true CN201449316U (en) | 2010-05-05 |
Family
ID=42554037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200344333U Expired - Fee Related CN201449316U (en) | 2009-09-03 | 2009-09-03 | Water-pressure testing device for tank car manhole assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132778A (en) * | 2013-12-19 | 2014-11-05 | 中国重汽集团柳州运力专用汽车有限公司 | Watertightness-test leak detection device for tank body of special-purpose vehicle |
| CN104989702A (en) * | 2015-06-30 | 2015-10-21 | 中国人民解放军总装备部军械技术研究所 | Hydraulic testing method for radar hydraulic cylinder |
| CN104296950B (en) * | 2014-10-30 | 2017-05-10 | 江苏盐电阀门有限公司 | Hydraulic valve general assembly seal test bed |
-
2009
- 2009-09-03 CN CN2009200344333U patent/CN201449316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132778A (en) * | 2013-12-19 | 2014-11-05 | 中国重汽集团柳州运力专用汽车有限公司 | Watertightness-test leak detection device for tank body of special-purpose vehicle |
| CN104296950B (en) * | 2014-10-30 | 2017-05-10 | 江苏盐电阀门有限公司 | Hydraulic valve general assembly seal test bed |
| CN104989702A (en) * | 2015-06-30 | 2015-10-21 | 中国人民解放军总装备部军械技术研究所 | Hydraulic testing method for radar hydraulic cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100784896B1 (en) | Natural Liquefied Gas Cargo Tank Leak Inspection System | |
| US9927321B2 (en) | Film chamber and method for leak detection on a non-rigid specimen | |
| CN203249742U (en) | Water leakage detection device for washing kettle | |
| CN201449316U (en) | Water-pressure testing device for tank car manhole assembly | |
| CN103389193A (en) | Detecting system and method of leakage of gas cylinder | |
| CN207570931U (en) | Cylinder pressure test device | |
| KR101613540B1 (en) | Leak tester for high pressure component | |
| CN204064580U (en) | The sealing property detection device of starter relay | |
| CN101201286A (en) | Device for testing product hermeticity | |
| CN204064564U (en) | A kind of cylinder head tightness test device | |
| CN114812964A (en) | Built-in sensor sealing detection device and method | |
| KR101513461B1 (en) | Valve Test Appartus | |
| CN104266952A (en) | Pore diameter detection device of porous material | |
| CN216695890U (en) | Automatic water pressure detection equipment for pressure container | |
| CN215639992U (en) | Electric valve gas tightness detection device | |
| CN106443030A (en) | Automated testing system for gas cylinder | |
| US7216530B2 (en) | Fluid containment element leak detection apparatus and method | |
| CN221280551U (en) | Tank container airtight test and micro-leakage detection system | |
| CN206920077U (en) | Pressure meter calibration servicing unit | |
| CN216284153U (en) | Built-in sensor leakproofness detection device | |
| CN206515001U (en) | Integral type sound detecting pipe seal tightness test machine | |
| CN103207053B (en) | Windshield Washer leakage inspector | |
| CN203893999U (en) | Leak-detection test bed | |
| CN207675377U (en) | A kind of automobile liquid storage dryer leakage detection apparatus | |
| CN206387552U (en) | A kind of airtight intensity detecting device of diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20130903 |