CN202735043U - Leak detector - Google Patents
Leak detector Download PDFInfo
- Publication number
- CN202735043U CN202735043U CN 201220418511 CN201220418511U CN202735043U CN 202735043 U CN202735043 U CN 202735043U CN 201220418511 CN201220418511 CN 201220418511 CN 201220418511 U CN201220418511 U CN 201220418511U CN 202735043 U CN202735043 U CN 202735043U
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- CN
- China
- Prior art keywords
- gas
- leak detector
- combustion gas
- parts
- water tank
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- 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
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Abstract
The utility model discloses a leak detector and belongs to the technical field of natural gas engines. The leak detector includes a housing. A water tank is installed in the housing. A lifting device receiving a gas component to be detected is arranged above the water tank. The housing is also provided with a gas source used for providing compressed gas for the gas component to be detected. The housing is provided with an opening used for letting the gas component through. The opening is provided with a safety door. The housing is also provided with an observing window for observing the gas component in the water tank. The gas component to be detected is connected with the gas source and the gas component is disposed on the lifting device. The lifting device takes charge of putting the gas component into water in the water tank. And then the gas source is made to supply gas to the gas component for detecting the gas tightness of the gas component to be detected under a premise of closing the safety door. By adopting the above structure, a detection worker can observe the gas tightness condition of the gas component safely and directly outside the housing through the observing window.
Description
Technical field
The utility model relates to the natural gas engine checkout equipment, relates in particular to a kind of bubble-tight leak detector of combustion gas parts that detects natural gas engine.
Background technology
Natural gas engine requires very high to the impermeability of combustion gas parts, at present the impermeability of the combustion gas parts of natural gas engine being detected is to detect when the appearance test of complete machine, can cause like this detecting and not have specific aim, testing result is accurate not, one of them combustion gas parts injection valve such as natural gas engine has at most 12 nozzles, which nozzle gas leakage can't detect when testing detection by the appearance of complete machine is at all, if detecting the combustion gas parts of gas leakage also needs the complete machine dismounting is come, the combustion gas parts of gas leakage are processed, bother very much, and carry out appearance when test of complete machine, if some combustion gas parts hourglass gas, will there be larger potential safety hazard at the trial.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of leak detector is provided, and whether the combustion gas parts that it can independently detect natural gas engine leak gas.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of leak detector, comprise case, in the described case water tank is installed, the top of described water tank is provided with the jacking gear of laying combustion gas parts to be measured, also be provided with the source of the gas that pressure gas is provided for described combustion gas parts to be measured in the described case, described case is provided with the opening for described combustion gas parts turnover, described opening part is provided with safety door, also be provided with the view window of observing combustion gas parts in the described water tank on the described case, for safety, described view window adopts explosion-proof view window usually.
As a kind of improvement, described jacking gear comprises the fixed part of placing combustion gas parts to be measured and drives the drive unit that described fixed part vertically moves.
As a kind of improvement, described drive unit comprises lift cylinder, and described lift cylinder connects described source of the gas.
As a kind of improvement, described safety door is sliding gate, described case is provided with the gas cylinder of door lock that is in closed condition locked secure door at safety door, and described gas cylinder of door lock connects described source of the gas, is in series with the operation valve of the described gas cylinder of door lock of control between described source of the gas and the described gas cylinder of door lock.
As a kind of improvement, described operation valve is solenoid valve, connect described source of the gas and be connected described operation valve with the pipeline of combustion gas parts to be measured, described solenoid valve is connected with control module, described case is provided with the position transducer that the aware security door is in closed condition, and described position transducer connects described control module.
As a kind of improvement, described source of the gas comprises gas-holder, and the air intake opening of described gas-holder connects supercharger.
As a kind of improvement, the below of described case is provided with support, and the bottom of described support is provided with lower margin.
Owing to having adopted technique scheme, during use, the combustion gas parts are placed on the jacking gear, then combustion gas parts to be measured are communicated with source of the gas, in other gas outlet sealing of UUT, then by jacking gear the combustion gas parts are placed in the water in the water tank, pin safety door and close opening, can be filled with pressure gas this moment by source of the gas in combustion gas parts to be measured, whether the combustion gas parts that the testing staff observes in the water tank by view window leak gas, detect the air feed that can cut off source of the gas after complete, the combustion gas parts are taken out from opening, can be conveniently the impermeability of combustion gas parts be detected by this device, very convenient and safety, can before the natural gas engine overall test, guarantee the impermeability of each combustion gas parts, prevent from occurring at the trial potential safety hazard, some detecting steps of the delivery test of complete machine have been saved, and the result who uses this device to detect is comparatively meticulous, the particular location of judgement combustion gas parts gas leakage that can be comparatively concrete, convenient for maintaining, for example, detect injection valve certain nozzle gas leakage wherein, only need to change corresponding nozzle and get final product, needn't change whole injection valve, thereby save cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structure cut-open view of the utility model embodiment;
Fig. 2 is that cut-open view is looked on the left side of Fig. 1;
Fig. 3 is the structural representation of jacking gear;
Among the figure: 1, case; 2, gas cylinder of door lock; 3, lift cylinder; 4, guide pole; 5, bearing; 51, sliding sleeve; 6, the combustion gas parts; 7, installing plate; 8, water tank; 9, support; 10, lower margin; 11, gas-holder; 12, view window; 13, safety door; 14, opening; 15, angle sheave; 16, guide rail.
Embodiment
As depicted in figs. 1 and 2, a kind of leak detector, comprise case 1, the below of described case 1 is provided with support 9, the bottom of described support 9 is provided with lower margin 10, in the described case 1 water tank 8 is installed, described water tank 8 adopts transparent material to make usually, the top of described water tank 8 is provided with the jacking gear of laying combustion gas parts 6 to be measured, also be provided with the source of the gas that pressure gas is provided for described combustion gas parts 6 to be measured in the described case 1, described case 1 is provided with the opening 14 for described combustion gas parts 6 turnover, described opening 14 places are provided with safety door 13, also be provided with the view window 12 of observing described water tank 8 interior combustion gas parts 6 on the described case 1, in order to protect observer's safety, described view window 12 adopts explosion-proof view window 12 usually, described opening 14 is positioned at the front of described case 1, described water tank 8 is positioned at case 1 with respect to the inboard of opening 14, described view window 12 has two, a view window 12 is positioned on the safety door 13, another view window 12 is positioned at the side of described case 1, described safety door 13 is sliding gate, the door-plate above and below of described safety door 13 is equipped with angle sheave 15, described case 1 is provided with the guide rail 16 that matches with described angle sheave 15, described case 1 is provided with the gas cylinder of door lock 2 that is in closed condition locked secure door 13 at safety door 13, described gas cylinder of door lock 2 connects described source of the gas, is in series with the operation valve of the described gas cylinder of door lock 2 of control between described source of the gas and the described gas cylinder of door lock 2;
Described jacking gear comprises the fixed part of placing combustion gas parts 6 to be measured and drives the drive unit that described fixed part vertically moves, described drive unit is lift cylinder 3, described lift cylinder 3 connects described source of the gas, described cylinder is installed on the bearing 5, described bearing 5 is fixed in the case 1, described bearing 5 is provided with sliding sleeve 51, described fixed part comprises the installing plate 7 of placing combustion gas parts 6 and the clamp system that is used for stepping up combustion gas parts 6, described installing plate 7 is fixedly connected with two guide poles 4, described guide pole 4 is slidingly mounted in the described sliding sleeve 51, in order to improve detection efficiency, the combustion gas parts that can place on the installing plate more than 2 or 2 detect simultaneously;
Described source of the gas comprises gas-holder 11, the air intake opening of described gas-holder 11 connects supercharger, because under not pinning safety door 13 the state of opening 14 sealings, directly be filled with pressure gas to combustion gas parts 6 to be measured and have potential safety hazard, therefore can arrange to the relation of the air feed between gas cylinder of door lock 2 and combustion gas parts 6 air feed to be measured interrelated, described operation valve is solenoid valve, connect described source of the gas and be connected described operation valve with the pipeline of combustion gas parts 6 to be measured, when operation valve is opened, pressure gas is simultaneously to combustion gas parts 6 and gas cylinder of door lock 2 air feed, described solenoid valve is connected with control module, described case 1 is provided with the position transducer that aware security door 13 is in closed condition, described position transducer connects described control module, only when position sensor senses safety door 13 was in closed condition, control module just allowed operation valve to open, and operation valve can not opened when safety door 13 is closed, the control of described lift cylinder 3 also can by described control module control, make whole device easy to use.
At first want ready work during use, comprise that an amount of water of packing in the water tank 8, adjusting lower margin 10 are made support 9 steadily and open supercharger is the pressurized air that gas-holder 11 is filled with convenient pressure, above-mentioned preliminary work is carried out and can be detected combustion gas parts 6, may further comprise the steps:
(1) combustion gas parts 6 to be measured are installed to are placed on the installing plate 7, by stepping up mechanism that combustion gas parts 6 are fixing, this moment, installing plate 7 positions were above water tank 8;
(2) air intake opening with combustion gas parts 6 to be measured is connected with gas-holder 11, and other gas outlet seals by screw plug;
(3) the closed safe door 13, make opening 14 sealings;
(4) gas-holder 11 enters in the water tank 8 combustion gas parts 6 for lift cylinder 3 air feed;
(5) open operation valve, make gas-holder 11 be gas cylinder of door lock 2 air feed closed safe doors 13, for combustion gas parts 6 air feed to be measured detect impermeability;
(6) whether the testing staff leaks gas by view window 12 observation combustion gas parts 6;
(7) detection is complete, and gas-holder 11 stops air feed, is combustion gas parts 6, lift cylinder 3 and gas cylinder of door lock 2 pressure releases by corresponding pipeline, makes the pressure of their inside recover normal atmosphere (An), and gas cylinder of door lock 2 and lift cylinder 3 reset;
(8) open safety door 13, take out combustion gas parts 6.
Claims (7)
1. leak detector, it is characterized in that: comprise case, in the described case water tank is installed, the top of described water tank is provided with the jacking gear of laying combustion gas parts to be measured, also be provided with the source of the gas that pressure gas is provided for described combustion gas parts to be measured in the described case, described case is provided with the opening for described combustion gas parts turnover, and described opening part is provided with safety door, also is provided with the view window of observing combustion gas parts in the described water tank on the described case.
2. leak detector as claimed in claim 1 is characterized in that: described jacking gear comprises the fixed part of placing combustion gas parts to be measured and drives the drive unit that described fixed part vertically moves.
3. leak detector as claimed in claim 2, it is characterized in that: described drive unit comprises lift cylinder, described lift cylinder connects described source of the gas.
4. leak detector as claimed in claim 1, it is characterized in that: described safety door is sliding gate, described case is provided with the gas cylinder of door lock that is in closed condition locked secure door at safety door, described gas cylinder of door lock connects described source of the gas, is in series with the operation valve of the described gas cylinder of door lock of control between described source of the gas and the described gas cylinder of door lock.
5. leak detector as claimed in claim 4, it is characterized in that: described operation valve is solenoid valve, connect described source of the gas and be connected described operation valve with the pipeline of combustion gas parts to be measured, described solenoid valve is connected with control module, described case is provided with the position transducer that the aware security door is in closed condition, and described position transducer connects described control module.
6. such as each described leak detector of claim 1-5, it is characterized in that: described source of the gas comprises gas-holder, and the air intake opening of described gas-holder connects supercharger.
7. leak detector claimed in claim 1, it is characterized in that: the below of described case is provided with support, and the bottom of described support is provided with lower margin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418511 CN202735043U (en) | 2012-08-22 | 2012-08-22 | Leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418511 CN202735043U (en) | 2012-08-22 | 2012-08-22 | Leak detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735043U true CN202735043U (en) | 2013-02-13 |
Family
ID=47660730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220418511 Expired - Fee Related CN202735043U (en) | 2012-08-22 | 2012-08-22 | Leak detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798504A (en) * | 2012-08-22 | 2012-11-28 | 潍柴动力西港新能源发动机有限公司 | Leakage detector |
| CN103712753A (en) * | 2013-12-30 | 2014-04-09 | 温州瑞明工业股份有限公司 | General type cavity wet-type leakproofness leakage testing workbench |
| CN104062074A (en) * | 2014-07-02 | 2014-09-24 | 无锡烨隆精密机械有限公司 | Air tightness detection machine of turbocharger turbine casing |
-
2012
- 2012-08-22 CN CN 201220418511 patent/CN202735043U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798504A (en) * | 2012-08-22 | 2012-11-28 | 潍柴动力西港新能源发动机有限公司 | Leakage detector |
| CN102798504B (en) * | 2012-08-22 | 2014-10-29 | 潍柴西港新能源动力有限公司 | Leakage detector |
| CN103712753A (en) * | 2013-12-30 | 2014-04-09 | 温州瑞明工业股份有限公司 | General type cavity wet-type leakproofness leakage testing workbench |
| CN104062074A (en) * | 2014-07-02 | 2014-09-24 | 无锡烨隆精密机械有限公司 | Air tightness detection machine of turbocharger turbine casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WEICHAI XIGANG NEW ENERGY POWER CO., LTD. Free format text: FORMER NAME: WEICHAI POWER SIGNATURE NEW ENERGY ENGINE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI XIGANG NEW ENERGY POWER CO., LTD. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: Weichai Power Xigang New Energy Engine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150822 |
|
| EXPY | Termination of patent right or utility model |