CN111795787B - Detection device for welding position of fuel pipe of engine - Google Patents
Detection device for welding position of fuel pipe of engine Download PDFInfo
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- CN111795787B CN111795787B CN202010598416.3A CN202010598416A CN111795787B CN 111795787 B CN111795787 B CN 111795787B CN 202010598416 A CN202010598416 A CN 202010598416A CN 111795787 B CN111795787 B CN 111795787B
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- sealing
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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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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A detection device for the welding position of a fuel pipe of an engine relates to the technical field of engine leakage detection tools, and comprises two sealing covers assembled in a butt joint mode through two protecting shells, and a sealing space for covering a welded junction is formed between the two protecting shells. The invention solves the problems that the welding part between the fuel pipe and the engine is easy to crack and leak along with the vibration of the machine in the prior art, and the fuel is easy to leak; and the problem that the safety accident is easily caused along with the leakage of fuel because the vehicle cannot be found out in time in the running process.
Description
Technical Field
The invention relates to the technical field of engine leakage detection tools, in particular to a detection device for a welding position of an engine fuel pipe.
Background
The engine is a device for powering the machine, and is the heart of the machine, which determines the power, economy and environmental protection of the machine. According to different power sources, the engine can be divided into a diesel engine, a gasoline engine, an electric automobile motor, a hybrid power and the like.
The fuel engine is taken as an example, the engine is arranged in a vehicle, and the phenomenon of cracking and leakage between the welding parts of the fuel pipe and the engine are easily caused along with the mass load, the driving force and the braking force of the vehicle in the running process, the impact and the vibration from different directions and the like of the vehicle, so that the fuel leakage is caused, wherein the vehicle cannot be found timely in the running process, and the safety accident is easily caused along with the fuel leakage.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
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 problems that the welding position of the fuel pipe and the engine is easy to crack and leak along with the vibration of a machine in the prior art, so that the fuel is leaked; and the problem that the safety accident is easily caused along with the leakage of fuel because the vehicle cannot be found out in time in the running process.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a detection device for the welding position of a fuel pipe of an engine comprises two sealing covers assembled by two protecting shells in a butt joint mode, and a sealing space for covering a welding port is formed between the two protecting shells.
As an optimized scheme, sealing elements for sealing the fuel pipeline ends are further arranged on the two protecting shells.
As an optimized scheme, the two protecting shells are also provided with sealing shells for sealing the engine end.
As an optimized scheme, the sealed space is vacuumized.
As an optimized scheme, the outer wall of the protective shell is fixedly connected with a suction nozzle and a pressure gauge which are communicated with the sealed space.
As an optimized scheme, the two protecting shells respectively comprise semicircular shells, and the two semicircular shells are oppositely arranged.
As an optimized scheme, the sealing shell comprises a semicircular end ring which is arranged along with the semicircular shell.
As an optimized scheme, a sealing groove which is arranged along with the shape 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, the end wall of the semicircular end ring, which faces the engine end, is coaxially provided with a plurality of semicircular grooves, and the semicircular grooves on the two opposite semicircular end rings form a whole circular groove and are jointly clamped with a sealing ring.
As an optimized scheme, 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 sealing space formed by the two shields is used for sealing and fixing the welded junction of the engine, so that the support of the welded junction is reinforced, the strength of the welded junction of the engine is increased, the double-layer pipe is arranged in a multi-section butt joint mode, the integral strength of the material conveying pipeline is increased by utilizing the butt joint end of the double-layer pipe, the welded junction of the engine can be effectively protected, and the phenomenon of open welding caused by external vibration or impact is prevented; the vacuum is pumped in the sealed space, the pressure gauge can be used for detecting the pressure in the sealed space, the pressure in the sealed space can be effectively observed through observing the pressure of the pressure gauge if leakage occurs, timely discovery and timely repair are facilitated, and the inspection is rapid; double guarantee is realized, and the occurrence frequency of safety accidents caused by cracking of a welded junction is greatly reduced; simple structure, convenient to use, the assembly is quick.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of the sealing strip of the present invention;
FIG. 3 is a schematic structural view of a fixing plate according to the present invention;
in the figure: 1-a semicircular shell; 2-semi-circular end rings; 3-a sealing ring; 4-sealing sleeve; 5, sealing strips; 6-fixing plates; 7-a bolt; 8-semi-torus; 9-fuel conduit end; 10-engine end; 11-sealing the space.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the engine fuel pipe welding position detecting device comprises two sealing covers assembled by two protecting shells in a butt joint mode, and a sealing space 11 for covering a welded joint is formed between the two protecting shells.
The two casings are also provided with seals for sealing the fuel conduit ends 9.
The two casings are also provided with a sealing casing for sealing the engine end 10.
The sealed space 11 is vacuumized.
The outer wall of the protective shell is fixedly connected with a suction nozzle and a pressure gauge which are communicated with the sealed space 11.
An air inlet whistle communicated with the sealed space 11 is fixedly connected on the outer wall of the protective shell, and when leakage occurs, reminding is realized in an auxiliary mode.
The outer wall of the protective shell is also provided with an alarm device, so that when pressure change occurs, the alarm device alarms in time, and workers can find the alarm device in time conveniently.
The two protective cases respectively comprise a semicircular shell body 1, and the two semicircular shell bodies 1 are oppositely arranged.
The sealing shell comprises a semicircular end ring 2 arranged in a conformal manner with a semicircular housing 1.
The outer wall of the semicircular shell body 1 close to the abutting surface of the semicircular shell body can be fixedly connected with a fixing plate 6 for realizing the fastening between the two semicircular shell bodies 1.
Wherein the fixing plate 6 and the semicircular end ring 2 are provided with fixing holes, so that the fixing plate is fixed on the engine end 10 by bolts 7.
The butt joint surface of the semicircular shell 1 and the semicircular end ring is provided with a sealing groove which is arranged along with the shape, and the sealing groove at one side is clamped with a sealing strip 5.
The sealing strips 5 are also arranged in parallel.
Sealing is realized between the butt joint surfaces of the two protecting shells by using the sealing strip 5, so that the tightness is ensured.
The end wall of the semicircular end ring 2 facing the engine end 10 is coaxially provided with a plurality of semicircular grooves, and the semicircular grooves on the two opposite semicircular end rings 2 form a whole circular groove and are jointly clamped with a sealing ring 3.
The sealing ring 3 is utilized to seal the side walls of the semicircular end ring 2 and the engine end 10, so that the sealing effect is ensured.
When the device is used, the groove body for fixing the adhesive tape is not required to be arranged, the adhesive tape can be directly used for sealing, and the adhesive tape used in the device is continuous adhesive tape.
The seal comprises a sealing sleeve 4 clamped between two opposite semicircular shells 1 in parallel.
The sealing element further comprises a semicircular ring body 8 fixedly connected to the inner wall of the semicircular shell body 1, a groove body for clamping the sealing sleeve 4 is also formed in the inner wall of the semicircular end ring, and the sealing sleeve 4 is located between the semicircular ring body 8 and the fuel pipeline end 9.
The sealing groove and the sealing strip 5 are also arranged on the semicircular ring body 8 along with the shape.
The sealing sleeve 4 is used for sealing the protecting shell and the fuel pipe end bracket, so that the tightness is ensured.
The sealing mode can also 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 for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (2)
1. An engine fuel pipe welding position detection device which is characterized in that: comprises two sealing covers assembled by two protective shells in a butt joint way, a sealing space (11) for coating a welded junction is formed between the two protective shells,
the two protecting shells are also provided with sealing shells for sealing the engine end (10),
the two protective cases respectively comprise a semicircular shell body (1), the two semicircular shell bodies (1) are oppositely arranged,
the sealing shell comprises a semicircular end ring (2) which is arranged along with the semicircular shell (1),
a sealing groove which is arranged along with the shape is arranged on the butt joint surface of the semicircular shell (1) and the semicircular end ring (2), a sealing strip (5) is clamped on the sealing groove at one side,
a plurality of semicircular grooves are coaxially arranged on the end wall of the semicircular end ring (2) facing the engine end (10), the semicircular grooves on the two opposite semicircular end rings (2) form a whole circular groove, and a sealing ring (3) is clamped together,
the sealed space (11) is vacuumized,
the outer wall of the protective shell is fixedly connected with a suction nozzle and a pressure gauge which are communicated with a sealed space (11),
the sealing element comprises a sealing sleeve (4) which is clamped between two opposite semicircular shells (1) in parallel,
an air inlet whistle communicated with the sealed space is fixedly connected on the outer wall of the protective shell, when leakage occurs, reminding is realized in an auxiliary way,
the outer wall of the protective shell is also provided with an alarm device, so that when pressure change occurs, the alarm device alarms in time, and workers can find the alarm device in time conveniently.
2. The engine fuel pipe weld inspection device of claim 1, wherein: and sealing elements for sealing the fuel pipeline ends (9) are also arranged on the two protective shells.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN111795787A CN111795787A (en) | 2020-10-20 |
| CN111795787B true CN111795787B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209841301U (en) * | 2019-05-15 | 2019-12-24 | 江苏飞龙电气有限公司 | Conducting tube air tightness test tool |
| CN111141465A (en) * | 2019-12-31 | 2020-05-12 | 嘉兴学院 | Air tightness detection device for welding metal pipeline |
Family Cites Families (4)
| 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 |
| 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 |
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2020
- 2020-06-28 CN CN202010598416.3A patent/CN111795787B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209841301U (en) * | 2019-05-15 | 2019-12-24 | 江苏飞龙电气有限公司 | Conducting tube air tightness test tool |
| CN111141465A (en) * | 2019-12-31 | 2020-05-12 | 嘉兴学院 | Air tightness detection device for welding metal pipeline |
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| CN111795787A (en) | 2020-10-20 |
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