WO2011063587A1 - Detection device for detecting helium leak in steel barrel - Google Patents
Detection device for detecting helium leak in steel barrel Download PDFInfo
- Publication number
- WO2011063587A1 WO2011063587A1 PCT/CN2010/000743 CN2010000743W WO2011063587A1 WO 2011063587 A1 WO2011063587 A1 WO 2011063587A1 CN 2010000743 W CN2010000743 W CN 2010000743W WO 2011063587 A1 WO2011063587 A1 WO 2011063587A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leak detection
- leak
- helium
- cover
- helium leak
- Prior art date
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Classifications
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- 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/229—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators removably mounted in a test cell
Definitions
- the utility model relates to a leak detecting device, in particular to a steel drum helium leak detecting device for detecting leakage of a steel drum.
- helium gas leak detection As a sensitive, clean and environmentally friendly test method, it has been gradually used in steel drum leak detection.
- Helium is an inert gas, which has the advantages of small molecular weight, light weight, strong diffusibility and penetrability, fast response and stability, and does not have chemical action, does not pollute the tested parts, and is safe to operate, so helium mass spectrometry
- the application of leak detection technology is very extensive.
- the existing helium gas leak detection device has a large amount of helium gas consumption, a slow response, and a high detection cost, and it is difficult to widely spread and apply on an industrial production line.
- the purpose of the utility model is to overcome the deficiencies in the prior art, and to provide a steel drum helium leak detection device which is simple and reasonable in structure, high in detection precision and small in detection cost.
- the steel drum helium gas leak detection device comprises a frame, a lower pressure oil cylinder, a leak detection cover, a vacuum pump, a helium gas leak detector, a work table and a jacking cylinder, and the lower pressure oil cylinder passes through the oil cylinder.
- the seat is mounted on the frame, and the piston rod end of the lower pressure cylinder is connected with the top end of the leak detection cover, and the inside of the leak detection cover is connected with the vacuum pump and the helium leak detector; the jacking cylinder is disposed directly below the leak detection cover.
- the piston rod end of the jacking cylinder is connected to the table to lift the table upright.
- the work table is provided with an annular gasket, and the gasket corresponds to the edge of the cover of the leak detection cover.
- the utility model has the advantages that: the structure is simple and reasonable, the detection cost is small, and the utility model can be widely applied in the industrial production line; the worktable can be jacked up by the jacking cylinder, and the utility scope is wide; The gasket is provided to further improve the sealing performance of the leak detection cover and improve the accuracy of the detection.
- Figure 1 is a schematic view of the structure of the present invention.
- FIG. 2 is a schematic view showing the sealed state of the leak detecting cover of the present invention.
- Figure 3 is a schematic view of the utility model applied to an industrial production line. detailed description
- the utility model mainly comprises a frame 1, a lower pressure cylinder 2, a leak detection cover 4, a vacuum pump, a helium gas leak detector, a work table 7 and a jacking cylinder 8, and an upper part of the frame 1
- the front end is provided with a cylinder block 3, and the lower pressure cylinder 2 is mounted on the frame 1 through the cylinder block 3, and the piston rod end of the lower pressure cylinder 2 is connected to the top end of the leak detecting cover 4, and the inside of the leak detecting cover 4 and the vacuum pump (Fig.
- a helium leak detector (not shown); the jacking cylinder 8 is disposed directly below the leak detection cover 4, and the jacking cylinder 8 is fixed by the cylinder block 9, lifting the cylinder 8
- the piston rod end is connected to the table 7, and the table 7 can be vertically jacked up.
- An annular gasket 6 is provided on the table 7, and the gasket 6 corresponds to the edge of the cover of the leak detecting cover 4 to improve the sealing performance of the leak detecting cover 4.
- the utility model is disposed on one side of the conveying line, and the conveying line has a conveying frame 10 for clamping the steel drum 5, and the steel drum 5 is clamped by the conveying frame 10, along the conveying line
- the conveyor frame 10 places the steel drum 5 on the worktable 7, and the jacking cylinder 8 jacks up the steel drum 5, and at the same time, the leak detection cover 4 is pushed down by the lower pressure oil cylinder 2, and the leak detection cover 4 is covered.
- the edge of the cover of the leak detection cover 4 is pressed against the gasket 6, and the vacuum pump starts to evacuate the leak detection cover 4, and when the vacuum is pumped to 30 KPa, the helium leak detector is started, due to the steel drum 5 is equipped with helium gas. If there is leakage in the steel drum 5, according to the principle of pressure difference, the helium gas in the steel drum 5 will escape from the barrel, and the helium gas leak detector will alarm after detecting a certain amount of helium molecules.
- the leak detection cover 4 is pulled up by the upper pressure cylinder 2, the jacking cylinder 8 is reset, and the steel drum 5 is then picked up by the transport frame 8 Workbench 6 of the utility model.
Abstract
A helium leak detection device for detecting helium leak in a steel barrel (5) is disclosed. The device comprises a frame (1), an underdraught oil cylinder (2), a leak detection cover (4), a vacuum pump, a helium leak detector, a working platform (7) and a raising air cylinder (8). The underdraught oil cylinder is installed on the frame. The piston rod of the underdraught oil cylinder is connected with the top end of the leak detection cover. The interior of the leak detection cover is connected with the vacuum pump and the helium leak detector. The raising air cylinder is installed right below the leak detection cover. The piston rod of the raising air cylinder is connected with the working platform.
Description
钢桶氦气检漏设备 Steel drum helium leak detection equipment
技术领域 Technical field
本实用新型涉及一种检漏设备, 具体是一种用于检测钢桶泄漏情况的钢 桶氦气检漏设备。 The utility model relates to a leak detecting device, in particular to a steel drum helium leak detecting device for detecting leakage of a steel drum.
背景技术 Background technique
由于许多物品如农药、 化学溶剂等化学品由于安全、 环保等要求都必须 要在密封环境下贮藏,所以用于盛装各类化学品的钢桶的密封性能非常重要, 因而也就对用于检测容器密封性的检漏装置在灵敏度和可靠性等方面提出了 更高的要求。 在氦气检漏作为一种灵敏度高、 清洁环保可靠的检测方法, 已 逐步在钢桶检漏上使用。 氦气是一种惰性气体, 其具有分子量小、 质量轻, 扩散性及穿透性强, 响应较快且稳定等优点, 而且不起化学作用, 不污染被 检测件, 操作安全, 所以氦质谱检漏技术的应用非常广泛。 但现有的氦气检 漏装置检测时的氦气消耗量较大, 响应较慢, 检测成本过高, 在工业生产流 水线上大范围的推广应用比较困难。 Since many chemicals such as pesticides and chemical solvents must be stored in a sealed environment due to safety and environmental protection requirements, the sealing performance of steel drums used to hold various chemicals is very important, so it is also used for testing. The leak-tight device for container sealing puts forward higher requirements in terms of sensitivity and reliability. In the helium gas leak detection, as a sensitive, clean and environmentally friendly test method, it has been gradually used in steel drum leak detection. Helium is an inert gas, which has the advantages of small molecular weight, light weight, strong diffusibility and penetrability, fast response and stability, and does not have chemical action, does not pollute the tested parts, and is safe to operate, so helium mass spectrometry The application of leak detection technology is very extensive. However, the existing helium gas leak detection device has a large amount of helium gas consumption, a slow response, and a high detection cost, and it is difficult to widely spread and apply on an industrial production line.
发明内容 Summary of the invention
本实用新型的目的在于克服现有技术中存在的不足, 提供一种结构简单 合理, 检测精度高, 检测成本小的钢桶氦气检漏设备。 The purpose of the utility model is to overcome the deficiencies in the prior art, and to provide a steel drum helium leak detection device which is simple and reasonable in structure, high in detection precision and small in detection cost.
按照本实用新型提供的技术方案, 所述钢桶氦气检漏设备包括机架、 下 压油缸、 检漏罩、 真空泵、 氦气检漏仪、 工作台和顶升气缸, 下压油缸通过 油缸座安装在机架上, 下压油缸的活塞杆端与检漏罩的顶端相连接, 检漏罩 内部与真空泵和氦气检漏仪相连接; 顶升气缸设置在检漏罩的正下方, 顶升 气缸的活塞杆端与工作台相连接, 可将工作台竖直顶起。 According to the technical solution provided by the present invention, the steel drum helium gas leak detection device comprises a frame, a lower pressure oil cylinder, a leak detection cover, a vacuum pump, a helium gas leak detector, a work table and a jacking cylinder, and the lower pressure oil cylinder passes through the oil cylinder. The seat is mounted on the frame, and the piston rod end of the lower pressure cylinder is connected with the top end of the leak detection cover, and the inside of the leak detection cover is connected with the vacuum pump and the helium leak detector; the jacking cylinder is disposed directly below the leak detection cover. The piston rod end of the jacking cylinder is connected to the table to lift the table upright.
作为本实用新型的进一步改进, 所述工作台上设有环形的密封垫, 密封 垫与检漏罩的罩口边缘相对应。 As a further improvement of the present invention, the work table is provided with an annular gasket, and the gasket corresponds to the edge of the cover of the leak detection cover.
本实用新型与现有技术相比, 优点在于: 结构简单合理, 检测成本小, 可在工业生产流水线上大范围的推广应用; 工作台可通过顶升气缸顶起, 适 用范围广; 工作台上设有密封垫, 进一步提高了检漏罩的密封性能, 提高了 检测的精确度。 Compared with the prior art, the utility model has the advantages that: the structure is simple and reasonable, the detection cost is small, and the utility model can be widely applied in the industrial production line; the worktable can be jacked up by the jacking cylinder, and the utility scope is wide; The gasket is provided to further improve the sealing performance of the leak detection cover and improve the accuracy of the detection.
附图说明 DRAWINGS
图 1为本实用新型的结构示意图。 Figure 1 is a schematic view of the structure of the present invention.
图 2为本实用新型的检漏罩密闭状态示意图。 2 is a schematic view showing the sealed state of the leak detecting cover of the present invention.
图 3为本实用新型应用于工业生产流水线上示意图。
具体实施方式 Figure 3 is a schematic view of the utility model applied to an industrial production line. detailed description
下面结合具体附图和实施例对本实用新型作进一步说明。 The present invention will be further described below in conjunction with the specific drawings and embodiments.
如图 1、 2所示, 本实用新型主要由机架 1、 下压油缸 2、 检漏罩 4、 真 空泵、 氦气检漏仪、 工作台 7和顶升气缸 8组成, 机架 1上部的前端的设有 油缸座 3, 下压油缸 2通过油缸座 3安装在机架 1上, 下压油缸 2的活塞杆 端与检漏罩 4的顶端相连接, 检漏罩 4内部与真空泵 (图中未示出) 和氦气 检漏仪 (图中未示出) 相连接; 顶升气缸 8设置在检漏罩 4的正下方, 顶升 气缸 8通过气缸座 9固定, 顶升气缸 8的活塞杆端与工作台 7相连接, 可将 工作台 7竖直顶起。在工作台 7上设有环形的密封垫 6,密封垫 6与检漏罩 4 的罩口边缘相对应, 以提高检漏罩 4的密封性能。 As shown in Fig. 1 and 2, the utility model mainly comprises a frame 1, a lower pressure cylinder 2, a leak detection cover 4, a vacuum pump, a helium gas leak detector, a work table 7 and a jacking cylinder 8, and an upper part of the frame 1 The front end is provided with a cylinder block 3, and the lower pressure cylinder 2 is mounted on the frame 1 through the cylinder block 3, and the piston rod end of the lower pressure cylinder 2 is connected to the top end of the leak detecting cover 4, and the inside of the leak detecting cover 4 and the vacuum pump (Fig. Not shown) is connected to a helium leak detector (not shown); the jacking cylinder 8 is disposed directly below the leak detection cover 4, and the jacking cylinder 8 is fixed by the cylinder block 9, lifting the cylinder 8 The piston rod end is connected to the table 7, and the table 7 can be vertically jacked up. An annular gasket 6 is provided on the table 7, and the gasket 6 corresponds to the edge of the cover of the leak detecting cover 4 to improve the sealing performance of the leak detecting cover 4.
具体应用时, 如图 3所示, 本实用新型设置在输送线的一侧, 输送线上 有用于夹起钢桶 5的输送架 10, 钢桶 5通过输送架 10夹起后, 沿输送线运 行至本实用新型处,输送架 10将钢桶 5放置在工作台 7上,顶升气缸 8将钢 桶 5顶起, 同时检漏罩 4通过下压油缸 2推动下降, 检漏罩 4罩住钢桶 5, 检漏罩 4的罩口边缘紧压在密封垫 6上, 真空泵启动对检漏罩 4内抽真空, 当真空度抽至 30KPa时, 启动氦气检漏仪, 由于钢桶 5内装有氦气, 如果钢 桶 5存在泄露, 根据压力差原理, 钢桶 5内的氦气就会从桶内逸出, 氦气检 漏仪检测到一定量的氦气分子后就会报警, 以此来确定钢桶 5的渗漏情况; 氦气检漏完毕后, 检漏罩 4通过上压油缸 2拉起, 顶升油缸 8复位, 钢桶 5 再通过输送架 8夹起送出本实用新型的工作台 6。
For specific application, as shown in FIG. 3, the utility model is disposed on one side of the conveying line, and the conveying line has a conveying frame 10 for clamping the steel drum 5, and the steel drum 5 is clamped by the conveying frame 10, along the conveying line Running to the utility model, the conveyor frame 10 places the steel drum 5 on the worktable 7, and the jacking cylinder 8 jacks up the steel drum 5, and at the same time, the leak detection cover 4 is pushed down by the lower pressure oil cylinder 2, and the leak detection cover 4 is covered. In the steel drum 5, the edge of the cover of the leak detection cover 4 is pressed against the gasket 6, and the vacuum pump starts to evacuate the leak detection cover 4, and when the vacuum is pumped to 30 KPa, the helium leak detector is started, due to the steel drum 5 is equipped with helium gas. If there is leakage in the steel drum 5, according to the principle of pressure difference, the helium gas in the steel drum 5 will escape from the barrel, and the helium gas leak detector will alarm after detecting a certain amount of helium molecules. In order to determine the leakage of the steel drum 5; after the helium leak detection is completed, the leak detection cover 4 is pulled up by the upper pressure cylinder 2, the jacking cylinder 8 is reset, and the steel drum 5 is then picked up by the transport frame 8 Workbench 6 of the utility model.
Claims
1、 钢桶氦气检漏设备, 包括机架 (1)、 下压油缸 (2)、 检漏罩 (4)、 真 空泵、 氦气检漏仪、 工作台 (7)和顶升气缸 (8), 其特征在于下压油缸 (2) 安装在机架(1)上, 下压油缸(2)的活塞杆端与检漏罩(4)的顶端相连接, 检漏罩 (4) 的内部与真空泵和氦气检漏仪相连接; 顶升气缸 (8) 设置在检 漏罩 (4) 的正下方, 顶升气缸 (8) 的活塞杆端与工作台 (7) 相连接。 1. Steel drum helium leak detection equipment, including rack (1), lower pressure cylinder (2), leak detection cover (4), vacuum pump, helium leak detector, work table (7) and jacking cylinder (8 ), characterized in that the lower pressure cylinder (2) is mounted on the frame (1), and the piston rod end of the lower pressure cylinder (2) is connected to the top end of the leak detection cover (4), and the inside of the leak detection cover (4) It is connected to the vacuum pump and the helium leak detector; the jacking cylinder (8) is placed directly below the leak detector (4), and the piston rod end of the jacking cylinder (8) is connected to the table (7).
2、如权利要求 1所述的钢桶氦气检漏设备, 其特征还在于, 所述工作台 (7)上设有环形的密封垫 (6), 密封垫 (6) 与检漏罩 (4) 的罩口边缘相对 应。 2. The steel drum helium leak detection apparatus according to claim 1, further characterized in that: said work table (7) is provided with an annular gasket (6), a gasket (6) and a leak detection cover ( 4) The edge of the hood corresponds.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN200920283658.2 | 2009-11-27 | ||
CN2009202836582U CN201583388U (en) | 2009-11-27 | 2009-11-27 | Steel drum helium leakage detecting device |
Publications (1)
Publication Number | Publication Date |
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WO2011063587A1 true WO2011063587A1 (en) | 2011-06-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2010/000743 WO2011063587A1 (en) | 2009-11-27 | 2010-05-25 | Detection device for detecting helium leak in steel barrel |
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CN (1) | CN201583388U (en) |
WO (1) | WO2011063587A1 (en) |
Cited By (1)
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CN104132781A (en) * | 2014-08-15 | 2014-11-05 | 珠海格力电器股份有限公司 | Leak detector capable of improving accuracy of refrigerant leak detection result |
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CN104374528A (en) * | 2013-09-23 | 2015-02-25 | 中国科学院合肥物质科学研究院 | Portable vacuum leak detector |
CN103528768B (en) * | 2013-10-18 | 2017-01-11 | 无锡四方友信股份有限公司 | Barrel body online inflation detection and gas recovery method |
CN104296939B (en) * | 2014-09-25 | 2017-02-01 | 中国包装科研测试中心 | Closed steel drum air tightness detection device |
CN104359631B (en) * | 2014-11-04 | 2017-03-29 | 常熟市杜尼电子有限责任公司 | The Leakage Test device of precision welding product |
CN105020403B (en) * | 2015-06-05 | 2017-09-12 | 苏州纽威阀门股份有限公司 | A kind of valve |
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CN105890849B (en) * | 2016-06-28 | 2018-07-20 | 襄阳富临精工机械有限责任公司 | A kind of cavity class product hermeticity monitor station and detection method |
CN108982019B (en) * | 2017-06-05 | 2021-08-10 | 张家港市欧微自动化研发有限公司 | Lithium battery air tightness inspection device |
CN207556773U (en) * | 2017-12-20 | 2018-06-29 | 米亚索乐装备集成(福建)有限公司 | A kind of air tightness detection equipment |
CN108398214A (en) * | 2018-01-31 | 2018-08-14 | 宁波保税区瑞丰模具科技有限公司 | A kind of leakage detection apparatus containing compressor apparatus |
CN110501121A (en) * | 2018-05-17 | 2019-11-26 | 盾安环境技术有限公司 | Shut-off valve helium examines tooling and its helium examines equipment |
CN111649878B (en) * | 2020-05-18 | 2022-07-08 | 广州中粮制桶有限公司 | Helium leakage detecting device for barrel body |
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US20080060421A1 (en) * | 2006-09-07 | 2008-03-13 | Matheson Tri-Gas | Leak characterization apparatuses and methods for fluid storage containers |
CN201051040Y (en) * | 2007-01-31 | 2008-04-23 | 丹东热工仪表有限公司 | Leakage detection device |
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