CN105486462A - Using method of leak detection apparatus for plate and tube joint member of plate type heat exchanger - Google Patents
Using method of leak detection apparatus for plate and tube joint member of plate type heat exchanger Download PDFInfo
- Publication number
- CN105486462A CN105486462A CN201610065316.8A CN201610065316A CN105486462A CN 105486462 A CN105486462 A CN 105486462A CN 201610065316 A CN201610065316 A CN 201610065316A CN 105486462 A CN105486462 A CN 105486462A
- Authority
- CN
- China
- Prior art keywords
- sealing
- cylinder
- check
- pipe
- plate
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a using method of a leak detection apparatus for plate and tube joint members of a plate type heat exchanger. The method includes the following steps: during leak detection conducted on detected plate and tubes, starting frame lift cylinders, lifting a detection frame through cylinder rods, sending the detected plate and tubes through support rollers, and turning off a valve of an oil path after cylinders on the detection frame synchronously press press plate bodies to enable top surfaces to be fully attached; starting upward and downward mobile cylinders on the two ends of the detection frame to adjust sealing chutes of a first sealing cylinder and a second sealing cylinder, and pressing and sealing the two end ports of each detected plate and tube by sealing blocks; starting cylinder rods of the frame lift cylinders to push the detection frame and the detected plate and tubes, entering leak detection water at the bottom of a water tank, and making observation and determining that the detected plate and tubes without bubbles in the leak detection water are qualified products; determining that the detected plate and tubes with bubbles in the leak detection water are unqualified product; and starting the frame lift cylinders to enable the detected plate and tubes to return to original positions after leak detection on the detected plate and tubes in water is finished. The using method enables labor, time and force to be saved, meets the requirements of leak detection tasks for plate and tube joint members on a production line, is low in manufacture cost, has great use effects, and is convenient for popularization and application.
Description
Technical field
The present invention relates to the pick-up unit of heat exchanger plate pipe, especially a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus.
Background technology
At present, plate type heat exchanger product requirement plate pipe component wants advanced promoting the circulation of qi tightness test before use, detect qualified after enter the production and processing of next process again.But, the plate pipe component fixing inconvenience on the table of air-tight test, often can not pressing firm, may cause test result forbidden; Also accurately put in place because do not fix, cause the unfavorable conditions such as Board Under Test pipe component distortion.In addition, through investigating retrieval in a large number, domestic equipment and the method also not having ripe plate pipe component leak test.
In a word, single tube leak test testing apparatus structure on existing air-tight test worktable is too brief, sealing block wearing and tearing are very fast, increase maintain and replace and maintenance cost, finally affect product quality, do over again with regard at substantial time and the energy once discovery substandard products, increase extra production cost, and there is potential safety hazard.If strictly operated by correct method, not easily grasp, use inconvenience, reduce work efficiency, labour intensity is comparatively large, can not meet the requirement of single tube leak test Detection task on production line.For a long time, be the insoluble technical matters in this area, become the developing bottleneck of plate pipe component leak test testing; In view of the foregoing, a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus is now proposed.
Summary of the invention
The single tube leak test testing apparatus structure that the object of the invention is to overcome on existing air-tight test test bench is too brief, sealing block wearing and tearing are very fast, increase maintain and replace and maintenance cost, finally affect product quality, do over again with regard at substantial time and the energy once discovery substandard products, increase extra production cost, and there is potential safety hazard, by rational design, a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus is provided, significantly improve plate pipe component leak test Detection job, safe and convenient to use, pressing fixing operation is fast accurate, be easy to grasp adjustment, Board Under Test pipe component is prevented to be out of shape, guarantee that next process is normally produced, greatly increase work efficiency, labour intensity alleviates, and saves time and production cost, reduce wearing and tearing, increase the service life.
The present invention to achieve these goals, adopt following technical scheme: a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus, described for plate-type heat exchanger plate pipe component leakage detection apparatus, by water tank, detect framework, pressing plate body, back up pad body, detect frock crane, framework lift cylinder, oil cylinder, first sealing cylinder, second sealing cylinder, move up and down cylinder, sealing cylinder fixed mount, sealing chute, first sealing block, porose sealing strip, second sealing block, atresia sealing strip, bakelite plate, press plate connection board, roller frame is formed, arrange at least two above water tank and detect frock crane, detection framework is set in water tank, detect above frock crane and framework lift cylinder is set, detect base of frame and back up pad body is set, at least two pressing plate bodies are set above back up pad body, back up pad body and pressing plate body arrange bakelite plate respectively, the press plate connection board arranged above pressing plate body, between press plate connection board and detection cruciform bracing, oil cylinder is set, detect framework two ends and sealing cylinder fixed mount is set respectively, sealing cylinder fixed mount and between the first sealing cylinder and the second sealing cylinder, lifting chute is set respectively, the top of the first sealing cylinder and the second sealing cylinder is respectively and detect to arrange between framework and move up and down cylinder, the cylinder mouth corresponding end of the first sealing cylinder and the second sealing cylinder arranges sealing chute, arranges the first sealing block, arrange cylinder bar between the first sealing cylinder and the first sealing block in the sealing chute of the first sealing cylinder, the porose sealing strip of the first sealing block arranged outside, in the sealing chute of the second sealing cylinder, the second sealing block is set, cylinder bar is set between the second sealing cylinder and the second sealing block, the second sealing block arranged outside atresia sealing strip, pressing plate body down either side is symmetrical arranged roller frame, is symmetrical arranged at least two pairs of support rollers in the race of both sides roller frame, reserves the stroke drop that pressing plate body presses down above support roller and between the bakelite plate of pressing plate body,
When hunting leak to check-out console pipe, startup framework lift cylinder, is promoted by cylinder rod and detects framework, stops when detecting above high above the back up pad body in framework and water tank case mouth; Then, by support roller, check-out console pipe is sent into, after check-out console pipe correspondence detects station, stop; Detect oil cylinders all on framework synchronously to the pressurization of pressing plate body, below the bakelite plate of pressing plate body with comprehensively the fit above of check-out console pipe after, oil cylinder stops pressurizeing, close simultaneously the valve of oil circuit.
Close oil cylinder valve behind the door, start detection framework two ends move up and down cylinder, move up and down the sealing chute that cylinder adjusts the first sealing cylinder and the second sealing cylinder, stop when the mouth of pipe of the corresponding check-out console pipe of the mouth sealing chute; Then the first sealing cylinder and the second sealing cylinder is started, two ends sealing cylinder compresses check-out console pipe two-port respectively by the first sealing block in sealing chute and the second sealing block, and by porose sealing strip and atresia sealing strip, the mouth of pipe to check-out console pipe seals.
The laminating above with below by pressing plate body and back up pad body of check-out console pipe is reinforced, and check-out console tube sheet face can not bulging deformation, the first sealing block and the second sealing block be compressed the check-out console pipe two ends mouth of pipe; Make to form closed space in check-out console pipe.
After completing the space-closed to check-out console pipe, start framework lift cylinder, promote to detect framework and check-out console pipe by cylinder rod, enter after in the leak detection water of water tank bottom, stop; Start and add compression pump, by the pore of the first sealing block, stop after the pressure being forced into setting in check-out console pipe, the residence time of check-out console pipe in leak detection water, after meeting Preset Time, being undertaken by observing leak detection water, observing in leak detection water and not having alveolate instant specification product; Observe alveolate instant product in leak detection water defective; After completing check-out console Guan Shuizhong leak detection, start framework lift cylinder check-out console pipe and get back to original position, take out check-out console pipe, the next job sequence of qualified product introduction, product is underproof to be processed by waste material, then carries out stopping leakage in the roof of next block check-out console pipe.
The invention has the beneficial effects as follows: significantly improve plate pipe component leak test Detection job, safe and convenient to use, pressing fixing operation is fast accurate, is easy to grasp adjustment, prevents Board Under Test pipe component to be out of shape, guarantee that next process is normally produced; Greatly increase work efficiency, labour intensity alleviates, and saves time and production cost; Reduce wearing and tearing, increase the service life.
Saving of labor of the present invention, save time, laborsaving, meet the requirement of production line upper plate pipe component leak test Detection task; Low cost of manufacture, result of use is good, easy to utilize.There is good economic benefit, applied widely, wide market.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is, general assembly structural representation;
Fig. 2 is, sealing cylinder structural representation;
Fig. 3 is, general assembly structural section structural representation;
In Fig. 1,2,3: water tank 1, detect framework 2, pressing plate body 3, back up pad body 4, detect frock crane 5, framework lift cylinder 6, oil cylinder 7, first sealing cylinder 8, second sealing cylinder 9, move up and down cylinder 10, sealing cylinder fixed mount 11, sealing chute 12, first sealing block 13, porose sealing strip 14, second sealing block 15, atresia sealing strip 16, bakelite plate 17, press plate connection board 18, roller frame 19.
Embodiment
Below in conjunction with embodiment and embodiment, the present invention is described in further detail:
Embodiment 1
Arrange at least two above water tank 1 and detect frock crane 5, arrange in water tank 1 and detect framework 2, detect above frock crane 5 and framework lift cylinder 6 is set; Detect bottom framework 2 and back up pad body 4 is set, at least two pressing plate bodies 3 are set above back up pad body 4, back up pad body 4 and pressing plate body 3 arrange bakelite plate 17 respectively, the press plate connection board 18 arranged above pressing plate body 3, arranges oil cylinder 7 between press plate connection board 18 and detection framework 2 crossbeam; Detect framework 2 two ends and sealing cylinder fixed mount 11 is set respectively, sealing cylinder fixed mount 11 and between the first sealing cylinder 8 and the second sealing cylinder 9, lifting chute is set respectively, the top of the first sealing cylinder 8 and the second sealing cylinder 9 is respectively and detect to arrange between framework 2 and move up and down cylinder 10; The cylinder mouth corresponding end of the first sealing cylinder 8 and the second sealing cylinder 9 arranges and seals chute 12, first sealing block 13 is set in the sealing chute 12 of the first sealing cylinder 8, between first sealing cylinder 8 and the first sealing block 13, cylinder bar is set, the porose sealing strip 14 of the first sealing block 13 arranged outside; Arrange in the sealing chute 12 of the second sealing cylinder 9 between second sealing block 15, second sealing cylinder 9 and the second sealing block 15 and cylinder bar is set, the second sealing block 15 arranged outside atresia sealing strip 16; Pressing plate body 3 down either side is symmetrical arranged roller frame 19, is symmetrical arranged at least two pairs of support rollers in the race of both sides roller frame 19, reserves the stroke drop that pressing plate body 3 presses down above support roller and between the bakelite plate 17 of pressing plate body 3;
When hunting leak to check-out console pipe, startup framework lift cylinder 6, is promoted by cylinder rod and detects framework 2, stops when detecting above high above the back up pad body 4 in framework 2 and water tank 1 case mouth; Then, by support roller, check-out console pipe is sent into, after check-out console pipe correspondence detects station, stop; Detect all oil cylinders 7 on framework 2 synchronously to pressurize to pressing plate body 3, the bakelite plate 17 of pressing plate body 3 below with comprehensively the fit above of check-out console pipe after, oil cylinder 7 stopping is pressurizeed, closes simultaneously the valve of oil circuit.Embodiment 2
After closing oil cylinder 7 valve, start detection framework 2 two ends move up and down cylinder 10, move up and down the sealing chute 12 that cylinder 10 adjusts the first sealing cylinder 8 and the second sealing cylinder 9, stop when the mouth of pipe of the corresponding check-out console pipe of the mouth sealing chute 12; Then the first sealing cylinder 8 and the second sealing cylinder 9 is started, two ends sealing cylinder compresses respectively by the first sealing block 13 in sealing chute 12 and the second sealing block 15 pairs of check-out console pipe two-port, is sealed by the mouth of pipe of porose sealing strip 14 and atresia sealing strip 16 pairs of check-out console pipes.
Embodiment 3
The laminating above with below by pressing plate body 3 and back up pad body 4 of check-out console pipe is reinforced, and check-out console tube sheet face can not be compressed by bulging deformation, the first sealing block 13 and the second sealing block 15 pairs of check-out console pipe two ends mouths of pipe; Make to form closed space in check-out console pipe.
Embodiment 4
After completing the space-closed to check-out console pipe, start framework lift cylinder 6, promote to detect framework 2 and check-out console pipe by cylinder rod, enter after in the leak detection water bottom water tank 1, stop; Start and add compression pump, by the pore of the first sealing block 13, stop after the pressure being forced into setting in check-out console pipe, the residence time of check-out console pipe in leak detection water, after meeting Preset Time, being undertaken by observing leak detection water, observing in leak detection water and not having alveolate instant specification product; Observe alveolate instant product in leak detection water defective; After completing check-out console Guan Shuizhong leak detection, start framework lift cylinder 6 check-out console pipe and get back to original position, take out check-out console pipe, the next job sequence of qualified product introduction, product is underproof to be processed by waste material, then carries out stopping leakage in the roof of next block check-out console pipe.
Claims (4)
1. the using method for plate-type heat exchanger plate pipe component leakage detection apparatus, described for plate-type heat exchanger plate pipe component leakage detection apparatus, by water tank (1), detect framework (2), pressing plate body (3), back up pad body (4), detect frock crane (5), framework lift cylinder (6), oil cylinder (7), first sealing cylinder (8), second sealing cylinder (9), move up and down cylinder (10), sealing cylinder fixed mount (11), sealing chute (12), first sealing block (13), porose sealing strip (14), second sealing block (15), atresia sealing strip (16), bakelite plate (17), press plate connection board (18), roller frame (19) is formed, it is characterized in that: water tank (1) top arranges at least two and detects frock crane (5), arrange in water tank (1) and detect framework (2), detect frock crane (5) top and framework lift cylinder (6) is set, detect framework (2) bottom and back up pad body (4) is set, back up pad body (4) top arranges at least two pressing plate bodies (3), back up pad body (4) and pressing plate body (3) arrange bakelite plate (17) respectively, the press plate connection board (18) that pressing plate body (3) top is arranged, arranges oil cylinder (7) between press plate connection board (18) and detection framework (2) crossbeam, detect framework (2) two ends and sealing cylinder fixed mount (11) is set respectively, sealing cylinder fixed mount (11) and between the first sealing cylinder (8) and the second sealing cylinder (9), lifting chute is set respectively, the top of the first sealing cylinder (8) and the second sealing cylinder (9) is respectively and detect to arrange between framework (2) and move up and down cylinder (10), first sealing cylinder (8) arranges with the cylinder mouth corresponding end of the second sealing cylinder (9) and seals chute (12), in the sealing chute (12) of the first sealing cylinder (8), the first sealing block (13) is set, between first sealing cylinder (8) and the first sealing block (13), cylinder bar is set, the porose sealing strip of the first sealing block (13) arranged outside (14), in the sealing chute (12) of the second sealing cylinder (9), the second sealing block (15) is set, between second sealing cylinder (9) and the second sealing block (15), cylinder bar is set, the second sealing block (15) arranged outside atresia sealing strip (16), pressing plate body (3) down either side is symmetrical arranged roller frame (19), be symmetrical arranged at least two pairs of support rollers in the race of both sides roller frame (19), above support roller and between the bakelite plate (17) of pressing plate body (3), reserve the stroke drop that pressing plate body (3) presses down,
When check-out console pipe is hunted leak, start framework lift cylinder (6), being promoted by cylinder rod and detect framework (2), stopping when detecting above high above the back up pad body (4) in framework (2) and water tank (1) case mouth; Then, by support roller, check-out console pipe is sent into, after check-out console pipe correspondence detects station, stop; Detect the upper all oil cylinders (7) of framework (2) synchronously to pressurize to pressing plate body (3), the bakelite plate (17) of pressing plate body (3) below with comprehensively the fit above of check-out console pipe after, oil cylinder (7) stops pressurizeing, close simultaneously the valve of oil circuit.
2. according to a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus described in claim 1, it is characterized in that: after closing oil cylinder (7) valve, start detection framework (2) two ends move up and down cylinder (10), move up and down the sealing chute (12) that cylinder (10) adjusts the first sealing cylinder (8) and the second sealing cylinder (9), stop when the mouth of pipe of the corresponding check-out console pipe of the mouth sealing chute (12); Then the first sealing cylinder (8) and the second sealing cylinder (9) is started, two ends sealing cylinder compresses check-out console pipe two-port respectively by the first sealing block (13) in sealing chute (12) and the second sealing block (15), is sealed by porose sealing strip (14) and atresia sealing strip (16) mouth of pipe to check-out console pipe.
3. according to a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus described in claim 1, it is characterized in that: the laminating above with below by pressing plate body (3) and back up pad body (4) of check-out console pipe is reinforced, and check-out console tube sheet face can not bulging deformation, the first sealing block (13) and the second sealing block (15) be compressed the check-out console pipe two ends mouth of pipe; Make to form closed space in check-out console pipe.
4. according to a kind of using method for plate-type heat exchanger plate pipe component leakage detection apparatus described in claim 1, it is characterized in that: after completing the space-closed to check-out console pipe, start framework lift cylinder (6), promote to detect framework (2) and check-out console pipe by cylinder rod, enter after in the leak detection water of water tank (1) bottom, stop; Start and add compression pump, by the pore of the first sealing block (13), stop after the pressure being forced into setting in check-out console pipe, the residence time of check-out console pipe in leak detection water, after meeting Preset Time, being undertaken by observing leak detection water, observing in leak detection water and not having alveolate instant specification product; Observe alveolate instant product in leak detection water defective; After completing check-out console Guan Shuizhong leak detection, start framework lift cylinder (6) check-out console pipe and get back to original position, take out check-out console pipe, the next job sequence of qualified product introduction, product is underproof to be processed by waste material, then carries out stopping leakage in the roof of next block check-out console pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065316.8A CN105486462B (en) | 2016-01-21 | 2016-01-21 | A kind of application method for plate-type heat exchanger plate pipe component leakage detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065316.8A CN105486462B (en) | 2016-01-21 | 2016-01-21 | A kind of application method for plate-type heat exchanger plate pipe component leakage detection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105486462A true CN105486462A (en) | 2016-04-13 |
| CN105486462B CN105486462B (en) | 2018-01-09 |
Family
ID=55673589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065316.8A Active CN105486462B (en) | 2016-01-21 | 2016-01-21 | A kind of application method for plate-type heat exchanger plate pipe component leakage detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105486462B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383009A (en) * | 2016-11-29 | 2017-02-08 | 洛阳隆华传热节能股份有限公司 | Operation method for leak detection device used for electric power condenser ellipse heat exchange tube |
| CN106706223A (en) * | 2016-12-28 | 2017-05-24 | 安徽理士电源技术有限公司 | Tooling for detecting air tightness of inner hole of lead bushing by means of water |
| CN110849546A (en) * | 2019-11-21 | 2020-02-28 | 沃逸新能源科技（江苏）有限公司 | Air tightness testing device for ecological capillary tube radiation air conditioner grid |
| CN118009119A (en) * | 2024-04-09 | 2024-05-10 | 珠海格力电器股份有限公司 | Automatic docking assembly and docking equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075050Y (en) * | 2007-07-02 | 2008-06-18 | 高密圣泰机电科技有限公司 | Device for detecting airtightness of radiator |
| US20090120166A1 (en) * | 2007-11-08 | 2009-05-14 | Weitz Karl K | Method and apparatus for continuous fluid leak monitoring and detection in analytical instruments and instrument systems |
| CN102121866A (en) * | 2010-12-10 | 2011-07-13 | 东莞勤上光电股份有限公司 | Airtightness test method of lamp |
| CN102519677A (en) * | 2011-12-19 | 2012-06-27 | 浙江久立特材科技股份有限公司 | Airtight testing device of steel pipe |
| CN102735404A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Air-tightness testing device of pipe piece |
| CN202836892U (en) * | 2012-08-02 | 2013-03-27 | 厦门万洲金属有限公司 | Pipe airtightness detecting device |
| CN204064570U (en) * | 2014-07-03 | 2014-12-31 | 广东联塑科技实业有限公司 | A kind of air tightness of pipe fitting checkout equipment |
| CN104502031A (en) * | 2014-12-16 | 2015-04-08 | 贵州精忠橡塑实业有限公司 | Rubber hose pipe sealing property testing equipment |
-
2016
- 2016-01-21 CN CN201610065316.8A patent/CN105486462B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075050Y (en) * | 2007-07-02 | 2008-06-18 | 高密圣泰机电科技有限公司 | Device for detecting airtightness of radiator |
| US20090120166A1 (en) * | 2007-11-08 | 2009-05-14 | Weitz Karl K | Method and apparatus for continuous fluid leak monitoring and detection in analytical instruments and instrument systems |
| CN102121866A (en) * | 2010-12-10 | 2011-07-13 | 东莞勤上光电股份有限公司 | Airtightness test method of lamp |
| CN102519677A (en) * | 2011-12-19 | 2012-06-27 | 浙江久立特材科技股份有限公司 | Airtight testing device of steel pipe |
| CN102735404A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Air-tightness testing device of pipe piece |
| CN202836892U (en) * | 2012-08-02 | 2013-03-27 | 厦门万洲金属有限公司 | Pipe airtightness detecting device |
| CN204064570U (en) * | 2014-07-03 | 2014-12-31 | 广东联塑科技实业有限公司 | A kind of air tightness of pipe fitting checkout equipment |
| CN104502031A (en) * | 2014-12-16 | 2015-04-08 | 贵州精忠橡塑实业有限公司 | Rubber hose pipe sealing property testing equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383009A (en) * | 2016-11-29 | 2017-02-08 | 洛阳隆华传热节能股份有限公司 | Operation method for leak detection device used for electric power condenser ellipse heat exchange tube |
| CN106706223A (en) * | 2016-12-28 | 2017-05-24 | 安徽理士电源技术有限公司 | Tooling for detecting air tightness of inner hole of lead bushing by means of water |
| CN110849546A (en) * | 2019-11-21 | 2020-02-28 | 沃逸新能源科技（江苏）有限公司 | Air tightness testing device for ecological capillary tube radiation air conditioner grid |
| CN118009119A (en) * | 2024-04-09 | 2024-05-10 | 珠海格力电器股份有限公司 | Automatic docking assembly and docking equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105486462B (en) | 2018-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201331418Y (en) | Air-tightness detection device of shell body | |
| CN105486462A (en) | Using method of leak detection apparatus for plate and tube joint member of plate type heat exchanger | |
| CN202204652U (en) | Leak detection device for cylinder block | |
| CN206056885U (en) | Air tightness test machine | |
| CN102607777B (en) | Leakage check device for metal hoses in batch | |
| CN103196633A (en) | Air impermeability detection device | |
| CN103033354A (en) | Butterfly valve hydrostatic testing machine | |
| CN110735799A (en) | lifting clamping device for automatic test of water pump and working method thereof | |
| CN203224342U (en) | Air tightness detection device | |
| CN202582847U (en) | Batch leakage test device for metal hoses | |
| CN103592088A (en) | Radiator leak detection tool | |
| CN201867339U (en) | General testing device for big valve | |
| CN108414157B (en) | Vacuum helium detection equipment for detecting product air tightness | |
| CN108020378A (en) | A kind of novel valve detection device | |
| CN210180616U (en) | Gas tightness and water tightness detection tool | |
| CN204448617U (en) | A kind of double electronics airtight test machine | |
| CN205003031U (en) | Detection apparatus for be used for testing aluminium oxide facing compressive strength | |
| CN105547610A (en) | Air tightness testing machine | |
| CN203657980U (en) | Engine gear chamber semi-automatic leak detection test apparatus | |
| CN210893562U (en) | Gas cylinder bottom gas tightness leak hunting equipment | |
| CN109374237B (en) | Pollution-free air tightness rapid measuring device and method for RV speed reducer | |
| CN204220690U (en) | A kind of refrigerator coaming plate slot mechanism | |
| CN211877311U (en) | Composite detection tool combining leakage test clamp with error-proof detection tool | |
| CN218156718U (en) | A leak hunting device for gear room | |
| CN206891665U (en) | A kind of easy air tightness checking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471000 Luoyang airport industrial cluster area, Luoyang, Henan Patentee after: Longhua Technology Group (Luoyang) Limited by Share Ltd Address before: 471000 Luoyang airport industrial cluster area, Luoyang, Henan Patentee before: Luoyang Longhua Heat Transfer & Energy Conservation Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |