CN104062112A - Multifunctional detecting platform - Google Patents
Multifunctional detecting platform Download PDFInfo
- Publication number
- CN104062112A CN104062112A CN201410280034.0A CN201410280034A CN104062112A CN 104062112 A CN104062112 A CN 104062112A CN 201410280034 A CN201410280034 A CN 201410280034A CN 104062112 A CN104062112 A CN 104062112A
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- gas
- pressure regulator
- interface
- 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.)
- Pending
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a multifunctional detecting platform. The multifunctional detecting platform comprises a platform body. The two sides of the top of the platform body are provided with a water storage pool and a detecting platform face respectively. An inner cavity is formed in the portion below the detecting platform face. A pressure stabilizing tank and a manual hydraulic pump are arranged in the inner cavity. An inner cavity door is arranged on the front side wall of the platform body. A groove matched with the manual hydraulic pump is formed in the platform body. A control panel perpendicular to the platform body is arranged at the top of the platform body. The multifunctional detecting platform is provided with three air pressure resources with different functions and a hydraulic resource and is further provided with the water storage pool used for detecting the air tightness of a pressure valve, so that air tightness detection and quality detection of the pressure control valve in a pipe are combined to the same detecting platform, the number of working processes is greatly reduced, efficiency is improved, and the whole multifunctional detecting platform is compact in structure and low in cost.
Description
Technical field
The present invention relates to a kind of pick-up unit of pressure valve, relate in particular to a kind of for hunting leak and the multifunctional examining scaffold tower of testing tube internal pressure operation valve.
Background technology
More and more wider along with pressure control valve purposes, quantity to pressure control valve and the requirement of quality are more and more higher, at present particularly outstanding in the fuel loading system of all kinds of aircrafts, pressure control valve is all installed in order to controlled pressure in fuel loading system, flow etc., pressure control valve is by the flow direction of pneumatic control liquid in pipe, therefore the detection of pressure control valve need to be used air pressure detection, signal detecting and impermeability detect, step is many, length consuming time, or use and there is air pressure detection, the monitor station of signal detecting and impermeability measuring ability, this kind of monitor station complex structure, expensive.
Summary of the invention
The object of this invention is to provide a kind of multifunctional examining scaffold tower, realized the overpressure operation valve that detects multiple valve or while detection of complex structure, and the multifunctional examining scaffold tower that the detection of overpressure operation valve and test are combined.
The object of the invention is to be achieved through the following technical solutions:
A kind of multifunctional examining scaffold tower, comprise stage body, the both sides, top of described stage body are respectively equipped with cistern and detect table top, the below of described detection table top is provided with inner chamber, in described inner chamber, be provided with buffer tank and hydraulic hand-pump, described buffer tank and hydraulic hand-pump are provided with back up pad each other, on the sidewall above of described stage body, the position corresponding with described inner chamber is provided with cavity door, described stage body is provided with the groove matching with described hydraulic hand-pump, and the top of described stage body is provided with the control panel perpendicular to described stage body;
The front panel of described control panel is provided with first interface, the second interface, the 3rd interface, hydraulic interface, the first blowdown valve, the second blowdown valve, the 3rd blowdown valve, hydraulic pressure releasing valve, first opens and closes valve, second opens and closes valve, the 3rd opens and closes valve, hydraulic switch valve, the first tensimeter, the second tensimeter, the 3rd tensimeter, hydraulic gage, the first pressure regulator valve, the second pressure regulator valve, outer source of the gas opens and closes valve, outer source of the gas blowdown valve, outer bleed pressure table and depotition cock, wherein depotition cock is located at the top of described cistern, described depotition cock connects outer water source by water pipe,
Described first interface, the first blowdown valve, the first tensimeter, first open and close valve and are connected by pipeline with outer source of the gas keying valve;
Described the second interface, the second blowdown valve, the second tensimeter, buffer tank, the first pressure regulator valve open and close valve with outer source of the gas and are connected by pipeline;
Described the 3rd interface, the 3rd blowdown valve, the 3rd tensimeter, the 3rd open and close valve, the second pressure regulator valve opens and closes valve with outer source of the gas and is connected by pipeline;
Described hydraulic interface, hydraulic pressure releasing valve, hydraulic switch valve, hydraulic gage are connected by pipeline with hydraulic hand-pump;
Described outer source of the gas opens and closes being also connected by pipeline with outer source of the gas, outer source of the gas blowdown valve, outer bleed pressure table of valve.
Further, described first interface, the first blowdown valve, first open and close valve, the first tensimeter connects by two three-way connections or a four-way connection, and described first opens and closes valve is connected with described outer source of the gas keying valve by tracheae.
Further, described the second interface, the second blowdown valve, the second tensimeter, second open and close valve and connect by two three-way connections or a four-way connection, described second opens and closes valve connects buffer tank by pipeline, described buffer tank connects the first pressure regulator valve by pipeline, and described the first pressure regulator valve opens and closes valve by tracheae with described outer source of the gas and is connected.
Further, described the 3rd interface, the 3rd blowdown valve, the 3rd tensimeter, the 3rd open and close valve and connect by two three-way connections or a four-way connection, the described the 3rd opens and closes valve is connected with described the second pressure regulator valve by pipeline, and described the second pressure regulator valve opens and closes valve by pipeline with described outer source of the gas and is connected.
Further, described outer source of the gas opens and closes valve, outer source of the gas blowdown valve, outer bleed pressure table, the first keying valve, the first pressure regulator valve, the second pressure regulator valve is connected by four three-way connections or two three-way connections are connected with any one connected mode in a four-way connection series connection.
Further, on described control panel, be also provided with safety valve, described outer source of the gas open and close valve, outer source of the gas blowdown valve, outer bleed pressure table, first open and close valve, the first pressure regulator valve, the second pressure regulator valve, safety valve connect with two four-way connections with a four-way connection series connection or a three-way connection by five three-way connections series connection, three three-way connections in any one connected mode be connected.
Further, described the first pressure regulator valve is provided with the first pressure regulator valve tensimeter, and described the second pressure regulator valve is provided with the second pressure regulator valve tensimeter.
Further, described hydraulic interface, hydraulic pressure releasing valve, hydraulic gage, hydraulic switch valve are connected by two three-way connections or a four-way connection each other with hydraulic hand-pump.
Further, described groove is provided with the groove lid matching with groove, and described groove lid is with detection table top each other by some gemel connections, and the top of described cistern is provided with lid.
Further, described the first blowdown valve, the second blowdown valve, the 3rd blowdown valve, hydraulic pressure releasing valve, first open and close valve, the second keying valve, the 3rd opens and closes valve, hydraulic switch valve, outer source of the gas keying valve and outer source of the gas blowdown valve and is ball valve.
Beneficial effect of the present invention is: this multi-function console is by being provided with 3 kinds of pneumatic supply and a kind of hydraulic power sources that function is different, and be provided with cistern to the bubble-tight detection of pressure valve, realize the impermeability of controlled pressure valve in pipe is detected with quality testing and is attached on a worktable, greatly reduce workflow, improve efficiency, whole apparatus structure compactness, at the bottom of cost.
Brief description of the drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the formal structural drawing of the multifunctional examining scaffold tower described in the embodiment of the present invention;
Fig. 2 is the air pressure schematic diagram of the multifunctional examining scaffold tower described in the embodiment of the present invention;
Fig. 3 is the hydraulic schematic diagram of the multifunctional examining scaffold tower described in the embodiment of the present invention.
In figure:
1, stage body; 2, cistern; 3, inner chamber; 4, buffer tank; 5, back up pad; 6, hydraulic hand-pump; 7, lid; 8, groove; 9, groove lid; 10, first interface; 11, the second interface; 12, the 3rd interface; 13, hydraulic interface; 14, the first blowdown valve; 15, the second blowdown valve; 16, the 3rd blowdown valve; 17, hydraulic pressure releasing valve; 18, first open and close valve; 19, second open and close valve; 20, the 3rd open and close valve; 21, hydraulic switch valve; 22, the first tensimeter; 23, the second tensimeter; 24, the 3rd tensimeter; 25, hydraulic gage; 26, the first pressure regulator valve; 27, the second pressure regulator valve; 28, outer source of the gas opens and closes valve; 29, outer source of the gas blowdown valve; 30, outer bleed pressure table; 31, safety valve; 32, depotition cock; 33, the first pressure regulator valve tensimeter; 34, the second pressure regulator valve tensimeter; 35, air compressor; 36, control panel.
Embodiment
As Figure 1-3, a kind of multifunctional examining scaffold tower described in the embodiment of the present invention, comprise stage body 1, the both sides, top of described stage body 1 are respectively equipped with cistern 2 and detect table top, the below of described detection table top is provided with inner chamber 3, the bottom of described inner chamber 3 is provided with buffer tank 4, the top of described buffer tank 4 is provided with horizontally disposed back up pad 5, on the end face of described back up pad 5, be fixedly connected with hydraulic hand-pump 6, the hand lever of described hydraulic hand-pump 6 passes stage body 1 and extends to outside stage body 1, the sidewall above of described stage body 1 is provided with the position corresponding with described inner chamber 3 and is provided with 3 of inner chambers, described stage body 1 is provided with the groove 8 matching with described hydraulic hand-pump 6, described groove 8 is provided with the groove lid 9 matching with groove 8, described groove lid 9 passes through some gemel connections each other with detection table top, the top of described cistern 2 is provided with lid 7, the top of described stage body 1 is provided with the control panel 36 perpendicular to described stage body 1, described stage body 1 is structure as a whole with control panel 36.
The front panel of described control panel 36 is provided with first interface 10, the second interface 11, the 3rd interface 12, hydraulic interface 13, the first blowdown valve 14, the second blowdown valve 15, the 3rd blowdown valve 16, hydraulic pressure releasing valve 17, first opens and closes valve 18, second opens and closes valve 19, the 3rd opens and closes valve 20, hydraulic switch valve 21, the first tensimeter 22, the second tensimeter 23, the 3rd tensimeter 24, hydraulic gage 25, the first pressure regulator valve 26, the second pressure regulator valve 27, outer source of the gas opens and closes valve 28, outer source of the gas blowdown valve 29, outer bleed pressure table 30, safety valve 31 and depotition cock 32, wherein depotition cock 32 is located at the top of described cistern 2, described depotition cock 32 connects outer water source by water pipe, described the first pressure regulator valve 26 is provided with the first pressure regulator valve tensimeter 33, and described the second pressure regulator valve 27 is provided with the second pressure regulator valve tensimeter 34.
Described first interface 10, the first blowdown valve 14, the first keying valve 18 are connected by two three-way connections each other with the first tensimeter 22.
Described the second interface 11, the second blowdown valve 15, the second tensimeter 23 and second open and close valve 19 and are connected by two three-way connections each other, and described second opens and closes valve 19 connects buffer tank 4 by pipeline, and described buffer tank 4 connects the first pressure regulator valve 26 by pipeline.
Described the 3rd interface 12, the 3rd blowdown valve 16, the 3rd tensimeter 24 and the 3rd open and close valve 20 and are connected by two three-way connections each other, and the described the 3rd opens and closes valve 20 is connected with described the second pressure regulator valve 27 by pipeline.
On described control panel 36, be also provided with safety valve 31, described outer source of the gas opens and closes valve 28, outer source of the gas blowdown valve 29, outer bleed pressure table 30, the first keying valve 18, the first pressure regulator valve 26, the second pressure regulator valve 27 and safety valve 31 and is connected in series by three three-way connections and a four-way connection each other, and described outer source of the gas opens and closes valve 28 and is connected with air compressor 35 by tracheae.
Described hydraulic interface 13, hydraulic pressure releasing valve 17, hydraulic gage 25, hydraulic switch valve 21 are connected by two three-way connections each other with hydraulic hand-pump 6.
Described the first blowdown valve 14, the second blowdown valve 15, the 3rd blowdown valve 16, hydraulic pressure releasing valve 17, the first keying valve 18, the second keying valve 19, the 3rd open and close valve 20, hydraulic switch valve 21, outer source of the gas opens and closes valve 28 and outer source of the gas blowdown valve 29 is ball valve.
Following steps are the concrete step that uses, and the using method of this inventive embodiments multifunctional examining scaffold tower is described:
Step 1: open air compressor 35 and open and close valve 28 with outer source of the gas, change the air pressure in pipeline, outer bleed pressure table 30 shows corresponding atmospheric pressure value; Pull-up hydraulic hand-pump 6 provides needed hydraulic pressure in conduit under fluid pressure.
Step 2: the several functions that uses the following multifunctional examining scaffold tower of introducing:
Function 1: open the first keying valve 18, make first interface 10 places obtain the air pressure that air compressor 35 provides, the first tensimeter 22 shows the shown force value of outer bleed pressure table 30; Close the first keying valve 18, disconnect first interface 10 and open and close valve 28 with outer source of the gas, open the first blowdown valve 14, make the air pressure of first interface 10 revert to atmospheric pressure.
Function 2: open the second keying valve 19, make the second interface 11 places obtain the air pressure that air compressor 35 provides, the first tensimeter 22 shows the shown force value of outer bleed pressure table 30, regulate described first to regulate pressure maintaining valve to change the force value at the second interface 11 places, the second tensimeter 23 is identical with the numerical value that the first pressure regulator valve tensimeter 33 shows, in this road, because be provided with buffer tank 4, therefore the second interface 11 can provide air pressure that can be for a long time stable; Close the second keying valve 19, open the second blowdown valve 15, make the second interface 11 places return to atmospheric pressure.
Function 3: open the 3rd and open and close valve 20, make the 3rd interface 12 places obtain the air pressure that air compressor 35 provides, the second tensimeter 23 shows the shown force value of outer bleed pressure table 30, regulate described second to regulate pressure maintaining valve to change the force value at the 3rd interface 12 places, the 3rd tensimeter 24 is identical with the numerical value that the second pressure regulator valve tensimeter 34 shows; Close the 3rd and open and close valve 20, open the 3rd blowdown valve 16, make the 3rd interface 12 places return to atmospheric pressure.
Function 4: open hydraulic switch valve 21, make hydraulic interface 13 places obtain the hydraulic pressure that hydraulic hand-pump 6 provides, hydraulic gage 25 shows corresponding hydraulic pressure value, closes hydraulic switch valve 21, opens hydraulic pressure releasing valve 17, makes hydraulic interface 13 return to normal pressure.
Function 5: open depotition cock 32 to water filling in cistern 2, close depotition cock 32 after water level arrives waterline, side valve to be checked is put into the situation of observing side valve gas leakage to be checked in cistern 2, detect side valve to be checked and whether leak gas thereby realize.
Above function all can operate simultaneously or only operate several steps wherein, and the situation of different air pressure or hydraulic pressure, is selected voluntarily by staff as required.Obviously, above-described embodiment is only used to done giving an example is clearly described, and the not restriction to embodiment.For the technician in described field, can also make on the basis of the above description other multi-form variation or variations.Here without also giving exhaustive to all embodiments.And the apparent variation of being amplified out thus or variation people are in protection scope of the present invention.
Claims (10)
1. a multifunctional examining scaffold tower, it is characterized in that, comprise stage body, the both sides, top of described stage body are respectively equipped with cistern and detect table top, the below of described detection table top is provided with inner chamber, in described inner chamber, be provided with buffer tank and hydraulic hand-pump, described buffer tank and hydraulic hand-pump are provided with back up pad each other, on the sidewall above of described stage body, the position corresponding with described inner chamber is provided with cavity door, described stage body is provided with the groove matching with described hydraulic hand-pump, and the top of described stage body is provided with the control panel perpendicular to described stage body;
The front panel of described control panel is provided with first interface, the second interface, the 3rd interface, hydraulic interface, the first blowdown valve, the second blowdown valve, the 3rd blowdown valve, hydraulic pressure releasing valve, first opens and closes valve, second opens and closes valve, the 3rd opens and closes valve, hydraulic switch valve, the first tensimeter, the second tensimeter, the 3rd tensimeter, hydraulic gage, the first pressure regulator valve, the second pressure regulator valve, outer source of the gas opens and closes valve, outer source of the gas blowdown valve, outer bleed pressure table and depotition cock, wherein depotition cock is located at the top of described cistern, described depotition cock connects outer water source by water pipe,
Described first interface, the first blowdown valve, the first tensimeter, first open and close valve and are connected by pipeline with outer source of the gas keying valve;
Described the second interface, the second blowdown valve, the second tensimeter, buffer tank, the first pressure regulator valve open and close valve with outer source of the gas and are connected by pipeline;
Described the 3rd interface, the 3rd blowdown valve, the 3rd tensimeter, the 3rd open and close valve, the second pressure regulator valve opens and closes valve with outer source of the gas and is connected by pipeline;
Described hydraulic interface, hydraulic pressure releasing valve, hydraulic switch valve, hydraulic gage are connected by pipeline with hydraulic hand-pump;
Described outer source of the gas keying valve, outer source of the gas, outer source of the gas blowdown valve are connected by pipeline with outer bleed pressure table.
2. multifunctional examining scaffold tower according to claim 1, it is characterized in that: described first interface, the first blowdown valve, first open and close valve, the first tensimeter and connect by two three-way connections or a four-way connection each other, described first opens and closes valve is connected with described outer source of the gas keying valve by tracheae.
3. multifunctional examining scaffold tower according to claim 1, it is characterized in that: described the second interface, the second blowdown valve, the second tensimeter, second open and close valve and connect by two three-way connections or a four-way connection each other, described second opens and closes valve connects buffer tank by pipeline, described buffer tank connects the first pressure regulator valve by pipeline, and described the first pressure regulator valve opens and closes valve by tracheae with described outer source of the gas and is connected.
4. multifunctional examining scaffold tower according to claim 1, it is characterized in that: described the 3rd interface, the 3rd blowdown valve, the 3rd tensimeter, the 3rd open and close valve and connect by two three-way connections or a four-way connection each other, the described the 3rd opens and closes valve is connected with described the second pressure regulator valve by pipeline, and described the second pressure regulator valve opens and closes valve by pipeline with described outer source of the gas and is connected.
5. multifunctional examining scaffold tower according to claim 1, is characterized in that: described outer source of the gas opens and closes valve, outer source of the gas blowdown valve, outer bleed pressure table, the first keying valve, the first pressure regulator valve, the second pressure regulator valve and is connected with any one connected mode in a four-way connection series connection by four three-way connections series connection or two three-way connections each other.
6. multifunctional examining scaffold tower according to claim 1, it is characterized in that: on described control panel, be also provided with safety valve, described outer source of the gas opens and closes valve, outer source of the gas blowdown valve, outer bleed pressure table, the first keying valve, the first pressure regulator valve, the second pressure regulator valve, safety valve and is connected with any one connected mode in two four-way connection series connection with a four-way connection series connection or a three-way connection by five three-way connections series connection, three three-way connections each other.
7. multifunctional examining scaffold tower according to claim 1, is characterized in that: described the first pressure regulator valve is provided with the first pressure regulator valve tensimeter, and described the second pressure regulator valve is provided with the second pressure regulator valve tensimeter.
8. multifunctional examining scaffold tower according to claim 1, is characterized in that: described hydraulic interface, hydraulic pressure releasing valve, hydraulic gage, hydraulic switch valve, hydraulic hand-pump connect by two three-way connections or a four-way connection each other.
9. multifunctional examining scaffold tower according to claim 1, is characterized in that: described groove is provided with the groove lid matching with groove, and described groove lid is with detection table top each other by some gemel connections, and the top of described cistern is provided with lid.
10. according to the multifunctional examining scaffold tower described in any one in claim 1-9, it is characterized in that: described the first blowdown valve, the second blowdown valve, the 3rd blowdown valve, hydraulic pressure releasing valve, first open and close valve, the second keying valve, the 3rd opens and closes valve, hydraulic switch valve, outer source of the gas keying valve and outer source of the gas blowdown valve and is ball valve, and described outer source of the gas is air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280034.0A CN104062112A (en) | 2014-06-20 | 2014-06-20 | Multifunctional detecting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280034.0A CN104062112A (en) | 2014-06-20 | 2014-06-20 | Multifunctional detecting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104062112A true CN104062112A (en) | 2014-09-24 |
Family
ID=51549928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410280034.0A Pending CN104062112A (en) | 2014-06-20 | 2014-06-20 | Multifunctional detecting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663200A (en) * | 2017-03-27 | 2018-10-16 | 齐齐哈尔四达铁路设备有限责任公司 | Rolling stock breather valve, lower discharge valve multi-function test stand |
| CN112098013A (en) * | 2020-09-17 | 2020-12-18 | 徐州阿马凯液压技术有限公司 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02142905A (en) * | 1988-11-22 | 1990-06-01 | Hitachi Constr Mach Co Ltd | Characteristics testing device for pressure reducing valve |
| CN2876763Y (en) * | 2006-01-13 | 2007-03-07 | 何建辉 | Pressure tester |
| CN201828387U (en) * | 2010-10-26 | 2011-05-11 | 天津市纽森科技有限公司 | Testing platform for high-and low pressure air valves |
| CN103674510A (en) * | 2013-11-08 | 2014-03-26 | 沈阳航天新光集团有限公司 | Superhigh-pressure pressure-reducing valve performance testing bench |
| CN203643142U (en) * | 2013-11-18 | 2014-06-11 | 徐权 | A safety valve checking platform |
-
2014
- 2014-06-20 CN CN201410280034.0A patent/CN104062112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02142905A (en) * | 1988-11-22 | 1990-06-01 | Hitachi Constr Mach Co Ltd | Characteristics testing device for pressure reducing valve |
| CN2876763Y (en) * | 2006-01-13 | 2007-03-07 | 何建辉 | Pressure tester |
| CN201828387U (en) * | 2010-10-26 | 2011-05-11 | 天津市纽森科技有限公司 | Testing platform for high-and low pressure air valves |
| CN103674510A (en) * | 2013-11-08 | 2014-03-26 | 沈阳航天新光集团有限公司 | Superhigh-pressure pressure-reducing valve performance testing bench |
| CN203643142U (en) * | 2013-11-18 | 2014-06-11 | 徐权 | A safety valve checking platform |
Non-Patent Citations (2)
| Title |
|---|
| VIKTOR SZENTE ET AL: "Computational and Experimental Investigation on Solenoid Valve Dynamics", 《2001 IEEWASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS PROCEEDINGS》 * |
| 徐志鹏 等: "基于虚拟仪器的超高压气动试验台", 《机床与液压》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663200A (en) * | 2017-03-27 | 2018-10-16 | 齐齐哈尔四达铁路设备有限责任公司 | Rolling stock breather valve, lower discharge valve multi-function test stand |
| CN112098013A (en) * | 2020-09-17 | 2020-12-18 | 徐州阿马凯液压技术有限公司 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100585357C (en) | Voltage-regulating transformer valve body detection device | |
| CN207263399U (en) | A kind of multistation valve airtight detection apparatus | |
| CN105241620A (en) | Negative pressure airtight testing device and method | |
| CN104122049B (en) | A kind of high pressure airtightness testing method | |
| CN104122048A (en) | High-pressure gas tightness detection system | |
| CN203249742U (en) | Water leakage detection device for washing kettle | |
| CN201643862U (en) | Detection device for testing integrity of filter element structure | |
| CN108204883A (en) | Valve air-tightness detection method | |
| CN203981365U (en) | A kind of high pressure air tightness detection system | |
| CN203881499U (en) | Leak detection device for firefighting bottle | |
| CN104062112A (en) | Multifunctional detecting platform | |
| CN203443754U (en) | Air storage tank leakage detection system | |
| CN204202829U (en) | Ventilation unit tightness detector | |
| CN205424078U (en) | Quick detecting system of axial deformation of butterfly valve valve plate | |
| CN201196597Y (en) | Detection apparatus for pressure regulator valve body | |
| CN101839794A (en) | Method and system for vacuum leak detection of large vacuum chambers in batches | |
| CN207278600U (en) | A kind of supercharging device suitable for underwater Burning rate testing system | |
| CN105910765A (en) | Airplane vacuum clean water system air-tightness checking method | |
| KR200482017Y1 (en) | Apparatus for checking installation state of pipeline valve | |
| US7500384B2 (en) | Method for controlling the sealing of a tank on an aircraft | |
| CN114018492B (en) | Leakage checking method for marine dual-fuel host gas inner pipe | |
| CN202693231U (en) | Automobile fuel oil system sealability detector | |
| CN104155064A (en) | On-line leak detection device for drainage system pipeline | |
| CN101598625B (en) | Tracer gas accumulator applied in high pressure gas leak detection method | |
| CN202149102U (en) | Novel test bed device of hydraulic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180309 |