CN111795787A - Engine fuel pipe welding position detection device - Google Patents
Engine fuel pipe welding position detection device Download PDFInfo
- Publication number
- CN111795787A CN111795787A CN202010598416.3A CN202010598416A CN111795787A CN 111795787 A CN111795787 A CN 111795787A CN 202010598416 A CN202010598416 A CN 202010598416A CN 111795787 A CN111795787 A CN 111795787A
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- China
- Prior art keywords
- sealing
- semicircular
- fuel pipe
- detection device
- engine fuel
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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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
- G01M3/025—Details with respect to the testing of engines or engine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides an engine fuel pipe welding department detection device, relates to engine leakage detection apparatus technical field, includes two sealed cowlings of assembling by two protecting crust dock to form the confined space of cladding crater through between two protecting crust. The invention solves the problems that the welding position of the fuel pipe and the engine is easy to crack and leak along with the vibration of the machine in the traditional technology, and the fuel leaks; and the problem that the safety accidents are easily caused along with the leakage of fuel because the vehicles cannot be found in time in the driving process.
Description
Technical Field
The invention relates to the technical field of engine leakage detection tools, in particular to a device for detecting a welding position of a fuel pipe of an engine.
Background
The engine is a device for providing power for the machine, is the heart of the machine, and determines the power performance, the economy and the environmental protection performance of the machine. Engines can be classified into diesel engines, gasoline engines, electric vehicle motors, hybrid power, and the like, according to the power source.
The fuel engine is installed in a vehicle, and along with the mass load, driving force, braking force of the vehicle, and impact and vibration from different directions, etc., the fuel engine is easy to cause the phenomena of rupture and leakage between the welding positions of a fuel pipe and the engine, and fuel leakage is caused.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for detecting the welding position of a fuel pipe of an engine, which is used for solving the problem that the phenomena of cracking and leakage between the welding position of the fuel pipe and the engine are easily caused along with the vibration of a machine in the prior art to cause the leakage of fuel; and the problem that the safety accidents are easily caused along with the leakage of fuel because the vehicles cannot be found in time in the driving process.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for detecting the welded position of fuel pipe of engine is composed of two sealing covers assembled by two protecting shells in butt joint mode, and a sealed space for covering welded seam is formed between two protecting shells.
Preferably, a sealing element for sealing the end of the fuel pipe is further arranged on the two protective shells.
As an optimized scheme, a sealing shell used for sealing the end of the engine is further arranged on the two protective shells.
As an optimized scheme, the sealed space is arranged in a vacuum pumping mode.
As an optimized scheme, an air suction nozzle and a pressure gauge which are communicated with the sealed space are fixedly connected to the outer wall of the protective shell.
As an optimized scheme, the two protective shells respectively comprise semicircular shells, and the two semicircular shells are oppositely arranged.
Preferably, the seal housing includes a semicircular end ring configured to follow the semicircular shell.
As an optimized scheme, a sealing groove which is arranged in a shape following manner is formed in the butt joint surface of the semicircular shell and the semicircular end ring, and a sealing strip is clamped on the sealing groove at one side.
As an optimized scheme, a plurality of semicircular ring grooves are coaxially formed in the end wall, facing the engine end, of each semicircular end ring, the semicircular ring grooves in the two opposite semicircular end rings form a complete circular ring groove, and sealing rings are clamped together.
Preferably, the sealing element comprises a sealing sleeve clamped between two opposite semicircular shells in parallel.
Compared with the prior art, the invention has the beneficial effects that:
the engine weld crater is sealed and fixed through a sealing space formed by the two shields, so that the support at the weld crater is reinforced, and the strength at the weld crater of the engine is increased; the sealed space is vacuumized, and can be detected by a pressure gauge, so that the pressure of the sealed space can be effectively sealed, and if leakage occurs, the pressure of the pressure gauge can be observed, so that the leakage is convenient to find in time, repair in time and check quickly; the double guarantee is realized, and the occurrence frequency of safety accidents caused by the rupture of the welding craters is greatly reduced; simple structure, convenient to use, the assembly is quick.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the sealing tape of the present invention;
FIG. 3 is a schematic structural diagram of a fixing plate according to the present invention;
in the figure: 1-a semicircular shell; 2-a semicircular end ring; 3-sealing ring; 4-sealing sleeve; 5-sealing strips; 6, fixing a plate; 7-bolt; 8-a semi-torus; 9-fuel pipe end; 10-the engine end; 11-sealed space.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3, the device for detecting the welding position of the fuel pipe of the engine comprises two sealing covers which are assembled in a butt joint mode through two protecting shells, and a sealing space 11 for covering a welding opening is formed between the two protecting shells.
The two casings are also provided with seals which seal the fuel pipe ends 9.
A sealing shell is also provided on both casings to seal the engine end 10.
The sealed space 11 is arranged in a vacuum.
An air suction nozzle and a pressure gauge which are communicated with the sealing space 11 are fixedly connected to the outer wall of the protective shell.
An air inlet whistle communicated with the sealed space 11 is fixedly connected to the outer wall of the protective shell, and when leakage occurs, reminding is assisted.
And an alarm device is also arranged on the outer wall of the protective shell, so that when pressure changes, an alarm is given in time, and workers can find the alarm in time.
The two protective shells respectively comprise a semicircular shell 1, and the two semicircular shells 1 are arranged oppositely.
The seal housing comprises a semi-circular end ring 2 which follows the semi-circular housing 1.
The outer wall of the semicircular shell 1 close to the butt joint surface can be fixedly connected with a fixing plate 6 for realizing the fastening between the two semicircular shells 1.
Wherein, the fixing plate 6 and the semicircular end ring 2 are both provided with fixing holes, and the fixing on the engine end 10 by the bolt 7 is realized.
The butt joint surface of the semicircular shell 1 and the semicircular end ring is provided with a seal groove arranged along the shape, and a seal strip 5 is clamped on the seal groove at one side.
The sealing strips 5 are also arranged in parallel.
The sealing strip 5 is utilized to realize the sealing between the butt joint surfaces of the two protective shells, and the sealing performance is ensured.
The end wall of the semicircular end ring 2 facing the engine end 10 is coaxially provided with a plurality of semicircular ring grooves, and the semicircular ring grooves on the two opposite semicircular end rings 2 form a complete circular ring groove and are jointly clamped with a sealing ring 3.
The sealing ring 3 is used for sealing the semicircular end ring 2 and the side wall of the engine end 10, and the sealing effect is ensured.
When the device is used, a groove body used for fixing the rubber strip can be omitted, the rubber strip can be directly used for sealing, and the rubber strips used in the device are continuous rubber strips.
The sealing element comprises a sealing sleeve 4 clamped between two opposite semicircular shells 1 in parallel.
The sealing element also comprises a semi-circular ring body 8 fixedly connected to the inner wall of the semi-circular shell 1, a groove body for clamping the sealing sleeve 4 is also arranged on the inner wall of the semi-circular end ring, and the sealing sleeve 4 is positioned between the semi-circular ring body 8 and the fuel pipeline end 9.
The sealing groove and the sealing strip 5 are also arranged on the semi-circular ring body 8 along with the shape.
The sealing between the protective shell and the end support of the fuel pipe is realized by using the sealing sleeve 4, and the sealing performance is ensured.
The sealing mode can be selected according to the material of the pipe, such as welding, gluing, hot melting and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides an engine fuel pipe welding department detection device which characterized in that: comprises two sealing covers assembled by two protecting shells in a butt joint mode, and a sealing space (11) for covering a welding opening is formed between the two protecting shells.
2. The engine fuel pipe weld detection device of claim 1, wherein: and sealing elements for sealing the fuel pipeline ends (9) are arranged on the two protective shells.
3. An engine fuel pipe weld detection device as defined in claim 2, wherein: and sealing shells for sealing the engine end (10) are also arranged on the two protective shells.
4. The engine fuel pipe weld detection device of claim 1, wherein: the sealed space (11) is arranged in a vacuum-pumping mode.
5. The engine fuel pipe weld detection device of claim 1, wherein: and an air suction nozzle and a pressure gauge which are communicated with the sealed space (11) are fixedly connected to the outer wall of the protective shell.
6. An engine fuel pipe weld detection device as defined in claim 3, further comprising: the two protective shells respectively comprise a semicircular shell (1), and the two semicircular shells (1) are arranged oppositely.
7. An engine fuel pipe weld detection device as defined in claim 6, wherein: the sealing shell comprises a semicircular end ring (2) which is arranged along the shape of the semicircular shell (1).
8. An engine fuel pipe weld detection device as defined in claim 7, wherein: the butt joint surface of the semicircular shell (1) and the semicircular end ring (2) is provided with a sealing groove which is arranged along with the shape, and a sealing strip (5) is clamped on the sealing groove at one side.
9. An engine fuel pipe weld detection device as defined in claim 7, wherein: the end wall of the semicircular end ring (2) facing the engine end (10) is coaxially provided with a plurality of semicircular ring grooves, and the semicircular ring grooves on the semicircular end ring (2) are opposite to each other to form a complete circular ring groove and are clamped with a sealing ring (3) together.
10. An engine fuel pipe weld detection device as defined in claim 6, wherein: the sealing element comprises a sealing sleeve (4) clamped between two opposite semicircular shells (1) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598416.3A CN111795787B (en) | 2020-06-28 | 2020-06-28 | Detection device for welding position of fuel pipe of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598416.3A CN111795787B (en) | 2020-06-28 | 2020-06-28 | Detection device for welding position of fuel pipe of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111795787A true CN111795787A (en) | 2020-10-20 |
| CN111795787B CN111795787B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010598416.3A Active CN111795787B (en) | 2020-06-28 | 2020-06-28 | Detection device for welding position of fuel pipe of engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530971B1 (en) * | 2001-01-29 | 2003-03-11 | General Electric Company | Nickel-base braze material and braze repair method |
| CN202302267U (en) * | 2011-09-23 | 2012-07-04 | 攀钢集团钢铁钒钛股份有限公司 | Material leakage prevention device for flap valve |
| CN108548095A (en) * | 2018-04-19 | 2018-09-18 | 邢建 | A kind of oil exploitation oil field pipe leak detecting device |
| CN209841301U (en) * | 2019-05-15 | 2019-12-24 | 江苏飞龙电气有限公司 | Conducting tube air tightness test tool |
| CN110779667A (en) * | 2019-11-18 | 2020-02-11 | 河南飞龙(芜湖)汽车零部件有限公司 | Leakage test device for detecting engine exhaust manifold |
| CN111141465A (en) * | 2019-12-31 | 2020-05-12 | 嘉兴学院 | Air tightness detection device for welding metal pipeline |
-
2020
- 2020-06-28 CN CN202010598416.3A patent/CN111795787B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530971B1 (en) * | 2001-01-29 | 2003-03-11 | General Electric Company | Nickel-base braze material and braze repair method |
| CN202302267U (en) * | 2011-09-23 | 2012-07-04 | 攀钢集团钢铁钒钛股份有限公司 | Material leakage prevention device for flap valve |
| CN108548095A (en) * | 2018-04-19 | 2018-09-18 | 邢建 | A kind of oil exploitation oil field pipe leak detecting device |
| CN209841301U (en) * | 2019-05-15 | 2019-12-24 | 江苏飞龙电气有限公司 | Conducting tube air tightness test tool |
| CN110779667A (en) * | 2019-11-18 | 2020-02-11 | 河南飞龙(芜湖)汽车零部件有限公司 | Leakage test device for detecting engine exhaust manifold |
| CN111141465A (en) * | 2019-12-31 | 2020-05-12 | 嘉兴学院 | Air tightness detection device for welding metal pipeline |
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| CN111795787B (en) | 2023-05-05 |
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