CN104748915A - High-pressure fuel pipe low-pressure leak detection tool - Google Patents
High-pressure fuel pipe low-pressure leak detection tool Download PDFInfo
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- CN104748915A CN104748915A CN201310732736.3A CN201310732736A CN104748915A CN 104748915 A CN104748915 A CN 104748915A CN 201310732736 A CN201310732736 A CN 201310732736A CN 104748915 A CN104748915 A CN 104748915A
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- fuel pipe
- leak detection
- frock
- fuel
- low pressure
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Abstract
The invention relates to a high-pressure fuel pipe low-pressure leak detection tool, which comprises a base mechanism, and a positioning mechanism and a leak detection mechanism arranged on the base mechanism. The base mechanism is composed of a bottom plate and feet arranged below the bottom plate and used for supporting. The positioning mechanism used for fixing fuel pipes placed on the tool comprises supports, positioning grooves and positioning blocks. The supports are arranged on the two ends for erecting fuel pipes. The positioning grooves clamp fuel pipes. The positioning blocks are arranged on the side parts of the positioning grooves. The leak detection mechanism comprises cylinders, plugs and airtight heads. The cylinders are located on the side parts of the fuel pipes placed on the positioning mechanism and arranged on the bottom plate through a cylinder seat. Plugs and airtight heads are multiple. The plugs are connected with joints on the fuel pipes and used for sealing the joints. The airtight heads are connected with fuel injectors on the fuel pipes and used for sealing the fuel injectors. The tool which can perform free adjustment at any time according to the lengths of the fuel pipes and the number of fuel injector seats arranged on the fuel pipes has the characteristics of wide application range and great operability.
Description
Technical field
The present invention relates to a kind of oil pipe leakage detection apparatus, especially relate to a kind of frock for the leak detection of injection line low pressure.
Background technology
At present, injection line needs to carry out low pressure leak detection and detects oily rail and whether there is large leakage after soldering.A kind of easy and simple to handle, frock that reliability is strong of present needs.
Application number be 201220208040.1 Chinese patent disclose the airtight differential pressure leak detection device of vehicle fuel pipeline, comprise pneumohydraulic pressure-cylinder, filtrator, tensimeter, high-pressure solenoid valve, sound suppressor, filtrator one end is connected with pneumohydraulic pressure-cylinder by tracheae, the other end is provided with threeway by tracheae, threeway is passed through tracheae and is connected with high-pressure solenoid valve V1 through throttling valve, connect high-pressure solenoid valve V2 and high-pressure solenoid valve V3 respectively through threeway, high-pressure solenoid valve V2 passes through tracheae and is connected with normal end through threeway; Four-way place between high-pressure solenoid valve V3 and tested end and threeway place between high-pressure solenoid valve V2 and normal end are also provided with differential pressure transmitter by tracheae.This kind of leakage detection apparatus complicated structure, and can only be applied in vehicle fuel pipeline, and be not suitable for injection line.
Summary of the invention
Object of the present invention is exactly provide a kind of applied widely, workable frock for the leak detection of injection line low pressure to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
For a frock for injection line low pressure leak detection, be made up of foundation means and the detent mechanism be arranged in foundation means and leakage detecting device,
Described foundation means is made up of for the footing supported base plate and being arranged on below base plate,
The described fuel pipe of detent mechanism fixed placement in frock, comprises support, locating slot and locating piece, and described Bracket setting is at two ends for setting up fuel pipe, and fuel pipe established by described locating slot card, and described locating piece is arranged on the sidepiece of locating slot,
Described leakage detecting device comprises cylinder, plug and airtight head, described cylinder is positioned at the sidepiece of the fuel pipe be placed on detent mechanism, be arranged on base plate through cylinder block, described plug and airtight head are provided with several, described plug is connected with the joint on fuel pipe, butt junction seals, and described airtight head is connected with the oil injector seat on fuel pipe, seals oil injector seat.
Described cylinder block is provided with the stiffening plate that cylinder block is reinforced.
One of them airtight head is connected with rapid-acting coupling, and this rapid-acting coupling is to inflating in fuel pipe and carrying out leak detection.
Described airtight head is movably connected on cylinder, and the oil injector seat on position and fuel pipe to be detected matches.
Described cylinder is provided with one or more, matches with the airtight head be connected.
Described plug is connected on locating piece, and the joint on the position of locating piece and fuel pipe to be detected matches.
Described support is movably connected on base plate to facilitate erection fuel pipe.
Compared with prior art, the present invention is convenient to use, can adjust at any time according to the quantity of the length of fuel pipe and the oil injector seat arranged on fuel pipe, applied widely, workable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1 is base plate, and 2 is cylinder block, and 3 is stiffening plate, and 4 is support, and 5 is locating slot, and 6 is locating piece, and 7 is plug, and 8 is cylinder, and 9 is rapid-acting coupling, and 10 is airtight head.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
For a frock for injection line low pressure leak detection, its structure as shown in Figure 1, is made up of foundation means and the detent mechanism be arranged in foundation means and leakage detecting device, and foundation means is made up of for the footing supported base plate 1 and being arranged on below base plate 1.The fuel pipe of detent mechanism fixed placement in frock, comprise support 4, locating slot 5 and locating piece 6, support 4 is movably arranged on two ends for setting up fuel pipe, the position of support 4 can also adjust according to the length of fuel pipe, locating slot 5 is used for card and establishes fuel pipe, and the sidepiece that locating piece 6 is arranged on locating slot 5 can fix fuel pipe further.
Leakage detecting device comprises cylinder 8, plug 7 and airtight 10, and cylinder 8 is positioned at the sidepiece of the fuel pipe be placed on detent mechanism, and be arranged on base plate 1 through cylinder block 2, cylinder block 2 is reinforced through stiffening plate 3.Plug 7 and airtight 10 are provided with several, and wherein plug 7 is connected with the joint on fuel pipe, and butt junction seals, be connected with the oil injector seat on fuel pipe for airtight 10, seal oil injector seat, in the present embodiment, plug 7 and airtight 10 are equipped with two.In addition, one of them airtight head connects 10 and is connected to rapid-acting coupling 9, inflate and carry out leak detection in this rapid-acting coupling 9 pairs of fuel pipes, cylinder 8 is provided with 4, match with airtight 10 that is connected, plug 7 is connected with locating piece 6, and the position of locating piece 6 can adjust according to the position of the joint on fuel pipe.
During use, frock put into by fuel pipe, and locating slot 5, locating piece 6 play the role of positioning.After start detection, cylinder 8 promotes seal head 10 pairs of oil injector seats and seals, and one of them seal head 10 connects rapid-acting coupling 9, carries out Leak Detection to inflation in fuel pipe.Take out fuel pipe after leak detection, and plug 7 is also extracted together.
Claims (7)
1. for a frock for injection line low pressure leak detection, it is characterized in that, this frock is made up of foundation means and the detent mechanism be arranged in foundation means and leakage detecting device,
Described foundation means is made up of for the footing supported base plate and being arranged on below base plate,
The described fuel pipe of detent mechanism fixed placement in frock, comprises support, locating slot and locating piece, and described Bracket setting is at two ends for setting up fuel pipe, and fuel pipe established by described locating slot card, and described locating piece is arranged on the sidepiece of locating slot,
Described leakage detecting device comprises cylinder, plug and airtight head, described cylinder is positioned at the sidepiece of the fuel pipe be placed on detent mechanism, be arranged on base plate through cylinder block, described plug and airtight head are provided with several, described plug is connected with the joint on fuel pipe, butt junction seals, and described airtight head is connected with the oil injector seat on fuel pipe, seals oil injector seat.
2. a kind of frock for the leak detection of injection line low pressure according to claim 1, is characterized in that, described cylinder block is provided with the stiffening plate reinforced cylinder block.
3. a kind of frock for the leak detection of injection line low pressure according to claim 1, it is characterized in that, one of them airtight head is connected with rapid-acting coupling, and this rapid-acting coupling is to inflating in fuel pipe and carrying out leak detection.
4. a kind of frock for the leak detection of injection line low pressure according to claim 1, it is characterized in that, described airtight head is movably connected on cylinder, and the oil injector seat on position and fuel pipe to be detected matches.
5. a kind of frock for the leak detection of injection line low pressure according to claim 4, it is characterized in that, described cylinder is provided with one or more, matches with the airtight head be connected.
6. a kind of frock for the leak detection of injection line low pressure according to claim 1, it is characterized in that, described plug is connected on locating piece, and the joint on the position of locating piece and fuel pipe to be detected matches.
7. a kind of frock for the leak detection of injection line low pressure according to claim 1, it is characterized in that, described support is movably connected on base plate to facilitate erection fuel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732736.3A CN104748915A (en) | 2013-12-26 | 2013-12-26 | High-pressure fuel pipe low-pressure leak detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732736.3A CN104748915A (en) | 2013-12-26 | 2013-12-26 | High-pressure fuel pipe low-pressure leak detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104748915A true CN104748915A (en) | 2015-07-01 |
Family
ID=53588934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310732736.3A Pending CN104748915A (en) | 2013-12-26 | 2013-12-26 | High-pressure fuel pipe low-pressure leak detection tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN104748915A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870066A (en) * | 2017-11-10 | 2018-04-03 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold Thermal Transient Sealing Test device |
| CN107884132A (en) * | 2017-11-10 | 2018-04-06 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold Thermal Transient Sealing Test method |
| WO2023221236A1 (en) * | 2022-05-16 | 2023-11-23 | 天津航天瑞莱科技有限公司 | Crash impact test device for jet fuel pipeline |
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| GB2366598A (en) * | 2000-09-07 | 2002-03-13 | Cummins Engine Co Ltd | Detecting leakage in the fuel rail of an i.c. engine |
| CN201440104U (en) * | 2009-04-29 | 2010-04-21 | 北京德尔福万源发动机管理系统有限公司 | Air leakage testing machine of fuel rail |
| CN203116656U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Location degree detecting tool for high-pressure fuel distributing pipe joint and fuel injector base |
| CN203116718U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Measuring tool for high-pressure fuel pipe assembly |
| CN203116913U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Air-tight chuck for fuel distributor return pipe component |
| CN203116655U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Tool for detecting hole sites of high-pressure fuel distribution pipe support plate |
| CN203116929U (en) * | 2013-03-22 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Leakage detecting device for fuel distributor assembly products |
| CN203745145U (en) * | 2013-12-26 | 2014-07-30 | 上海众源燃油分配器制造有限公司 | High-pressure fuel pipe low-pressure leak detection tool |
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2013
- 2013-12-26 CN CN201310732736.3A patent/CN104748915A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2366598A (en) * | 2000-09-07 | 2002-03-13 | Cummins Engine Co Ltd | Detecting leakage in the fuel rail of an i.c. engine |
| CN201440104U (en) * | 2009-04-29 | 2010-04-21 | 北京德尔福万源发动机管理系统有限公司 | Air leakage testing machine of fuel rail |
| CN203116929U (en) * | 2013-03-22 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Leakage detecting device for fuel distributor assembly products |
| CN203116656U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Location degree detecting tool for high-pressure fuel distributing pipe joint and fuel injector base |
| CN203116718U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Measuring tool for high-pressure fuel pipe assembly |
| CN203116913U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Air-tight chuck for fuel distributor return pipe component |
| CN203116655U (en) * | 2013-03-25 | 2013-08-07 | 上海众源燃油分配器制造有限公司 | Tool for detecting hole sites of high-pressure fuel distribution pipe support plate |
| CN203745145U (en) * | 2013-12-26 | 2014-07-30 | 上海众源燃油分配器制造有限公司 | High-pressure fuel pipe low-pressure leak detection tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870066A (en) * | 2017-11-10 | 2018-04-03 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold Thermal Transient Sealing Test device |
| CN107884132A (en) * | 2017-11-10 | 2018-04-06 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold Thermal Transient Sealing Test method |
| CN107884132B (en) * | 2017-11-10 | 2020-02-18 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold thermal state sealing test method |
| CN107870066B (en) * | 2017-11-10 | 2020-05-05 | 中国航发贵州黎阳航空动力有限公司 | Fuel manifold thermal state sealing test device |
| WO2023221236A1 (en) * | 2022-05-16 | 2023-11-23 | 天津航天瑞莱科技有限公司 | Crash impact test device for jet fuel pipeline |
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Application publication date: 20150701 |