CN218496343U - EGR manages gas tightness detection device - Google Patents
EGR manages gas tightness detection device Download PDFInfo
- Publication number
- CN218496343U CN218496343U CN202222896210.6U CN202222896210U CN218496343U CN 218496343 U CN218496343 U CN 218496343U CN 202222896210 U CN202222896210 U CN 202222896210U CN 218496343 U CN218496343 U CN 218496343U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- flange
- air
- plug
- cylinder
- 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.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to an EGR tube air tightness detection device, which comprises a bottom plate; a first air cylinder, a second air cylinder and an air outlet flange bracket are respectively arranged on the bottom plate; the exhaust flange support is used for placing an exhaust flange of the EGR pipe; a first air cylinder sliding block of the first air cylinder is provided with an air outlet flange plug, and the first air cylinder pushes the air outlet flange plug to plug an air outlet flange through hole of the EGR pipe; the bottom plate is also provided with a pair of air inlet flange struts, and air inlet flanges of the EGR pipe are placed on the air inlet flange struts; an air inlet flange plug is arranged on a second air cylinder sliding block of the second air cylinder, and the second air cylinder pushes the air inlet flange plug to plug an air inlet flange through hole of the EGR pipe; the air inlet flange plug is provided with an air inlet; an air inlet pipe is arranged on the second cylinder sliding block; the air inlet pipe is communicated with the air inlet hole. The utility model has the advantages of laborsaving during the detection, efficient, clamping state is stable in addition, can ensure to reach and detect the atmospheric pressure requirement and detect the accuracy.
Description
Technical Field
The utility model relates to a EGR exhaust gas recirculation technical field, concretely relates to EGR manages gas tightness detection device.
Background
EGR is an abbreviation for Exhaust Gas Re-circulation, i.e., exhaust Gas recirculation. Exhaust gas recirculation refers to the recirculation of a portion of the exhaust gases from the engine back into the intake manifold and back into the cylinders along with fresh mixture. Since the exhaust gas contains a large amount of polyatomic gases such as CO2, and the gases such as CO2 cannot be combusted but absorb a large amount of heat due to their high specific heat capacity, the maximum combustion temperature of the air-fuel mixture in the cylinder is lowered, thereby reducing the amount of NOx generated.
The EGR pipe is an important part of an EGR exhaust gas recirculation device, the structure of the EGR pipe is shown in figure 3, the EGR pipe comprises an EGR pipe body 12, an air inlet flange 13 and an air outlet flange 14 which are welded at two ends of the EGR pipe, and the EGR exhaust gas recirculation device has higher air tightness requirement on the EGR pipe, therefore, the processed and produced RGR pipe needs to be subjected to air tightness detection, and air with pressure of 0.1-0.5Mpa is injected into the RGR pipe, and air leakage does not occur for 30s, namely the EGR pipe is qualified.
At present, the air tightness detection of the EGR pipe mainly adopts a manual mode, a manual rubber plug is used for plugging a through hole of an air inlet flange and an air outlet flange, an air inlet pipe is arranged on the rubber plug at the end of the air inlet flange, air is injected into the EGR pipe through the air inlet pipe, the air inlet flange and the rubber plug at the end of the air outlet flange are clamped by hands of a worker, the air inlet flange and the rubber plug are completely immersed into a water leakage detection box and kept underwater for 30s, and whether the EGR pipe generates bubbles or not is observed so as to judge whether the EGR pipe leaks or not.
The manual operation mode is high in working strength and low in production efficiency, the air tightness of the air inlet flange and the air outlet flange through hole is measured under manual clamping, the air tightness of the air inlet flange and the air outlet flange through hole is completely clamped by a person to the rubber plug, the injection air pressure is often lower than 0.1Mpa due to insufficient clamping force of the person, the design requirement cannot be met, meanwhile, leakage is caused due to insufficient clamping force of the person, and the detection result is inaccurate.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a EGR manages gas tightness detection device, the working strength who adopts manual operation mode to bring when mainly solving prior art's EGR pipe gas tightness and detecting is big, and production efficiency is low and the not enough and unsafe technical problem of testing result of detection pressure.
In order to achieve the above object, the present invention provides the following technical solutions:
an EGR pipe air tightness detection device comprises a base plate; a first air cylinder, a second air cylinder and an air outlet flange bracket are respectively arranged on the bottom plate; the exhaust flange bracket is used for placing an exhaust flange of the EGR pipe; a first air cylinder sliding block of the first air cylinder is provided with an air outlet flange plug, and the first air cylinder pushes the air outlet flange plug to plug an air outlet flange through hole of the EGR pipe; the bottom plate is also provided with a pair of air inlet flange struts, and air inlet flanges of the EGR pipe are placed on the air inlet flange struts; an air inlet flange plug is arranged on a second air cylinder sliding block of the second air cylinder, and the second air cylinder pushes the air inlet flange plug to plug an air inlet flange through hole of the EGR pipe; the air inlet flange plug is provided with an air inlet; an air inlet pipe is arranged on the second cylinder sliding block; the air inlet pipe is communicated with the air inlet hole.
Preferably, the air outlet flange bracket is U-shaped.
Preferably, the distance between the intake flange struts is matched with the pipe diameter of the EGR pipe body; and an air inlet flange fixing part is arranged at the top end of the air inlet flange strut.
Preferably, a fixing plate is arranged on the bottom plate; the second cylinder is fixed on the fixing plate.
Preferably, a flow meter is arranged on the air inlet pipe and used for measuring the flow of the gas flowing through the air inlet pipe.
Preferably, the air inlet flange plug and the air outlet flange plug are both made of flexible rubber.
The utility model discloses following beneficial effect has at least:
the device comprises a first air cylinder, a second air cylinder, an air outlet flange support and an air inlet flange support, wherein an air outlet flange plug is arranged on a first air cylinder sliding block of the first air cylinder, the first air cylinder pushes the air outlet flange plug to plug an air outlet flange through hole of an EGR pipe, an air inlet flange plug is arranged on a second air cylinder sliding block of the second air cylinder, the second air cylinder pushes the air inlet flange plug to plug an air inlet flange through hole of the EGR pipe, an air inlet hole is formed in the air inlet flange plug, an air inlet pipe is arranged on a second air cylinder sliding block, the air inlet pipe is communicated with the air inlet hole, when the device is used for detection, the EGR pipe is only required to be placed on the device, the first air cylinder and the second air cylinder are started, the first air cylinder and the second air cylinder respectively plug the air outlet flange plug and the air inlet flange through hole, then 0.1-0.5Mpa air is introduced from the air inlet pipe, the air inlet pipe is placed in a water tank, and whether the EGR pipe leaks or not is observed, so that the detection is completed.
Therefore, the utility model discloses a EGR manages gas tightness detection device does not need artifical centre gripping when having the detection, and is laborsaving, efficient, and clamping state is stable in addition, can ensure to reach advantages such as detect the atmospheric pressure requirement and detect the accuracy.
Drawings
In order to clearly illustrate the prior art and the present invention, the drawings used in the description of the prior art and the embodiments of the present invention are briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by the people skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the purpose that the present invention can achieve.
Fig. 1 is a schematic structural view of an EGR tube airtightness detection apparatus of the present invention;
FIG. 2 is a schematic structural view of the EGR tube airtightness detection apparatus according to the present invention in the operating state;
fig. 3 is a schematic diagram of an EGR tube structure of an EGR tube airtightness detection apparatus according to the present invention;
description of the reference numerals:
1. a base plate; 2. a first cylinder; 3. a first cylinder block; 4. an air outlet flange plug; 5. an air outlet flange bracket; 6. an intake flange strut; 7. an intake flange fixing portion; 8. an air inlet flange plug; 9. a second cylinder slide; 10. an air inlet pipe; 11. a fixing plate; 12. an EGR tube body; 13. an air inlet flange; 14. an air outlet flange; 15. a second cylinder.
Detailed Description
The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.
In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).
In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are usually used for the purpose of visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.
The utility model discloses a EGR manages gas tightness detection device, as shown in fig. 1, set up bottom plate 1, set up first cylinder 2 on bottom plate 1 respectively, second cylinder 15 and give vent to anger flange support 5, the flange of giving vent to anger of EGR pipe is placed on the flange support 5 of giving vent to anger, set up the flange end cap 4 of giving vent to anger on first cylinder slider 3 of first cylinder 2, first cylinder 2 promotes the flange end cap 4 of giving vent to anger and plugs up the flange through-hole of giving vent to anger of EGR pipe, still be equipped with a pair of air inlet flange pillar 6 on bottom plate 1, the air inlet flange of EGR pipe is placed on air inlet flange pillar 6, set up air inlet flange end cap 8 on second cylinder slider 9 of second cylinder 15, second cylinder 15 promotes air inlet flange end cap 8 and plugs up the air inlet flange through-hole of EGR pipe, the inlet port has been seted up on air inlet flange end cap 8, set up intake pipe 10 on second cylinder slider 9, intake pipe 10 and inlet port intercommunication, the gas tightness is examined time measuring, compressed air is poured into by intake pipe 10, through the inlet port gets into in the EGR pipe.
Preferably, the air outlet flange bracket 5 is U-shaped, so that the air outlet flange can be conveniently fixed.
Preferably, the flange pillar 6 intervals of admitting air and EGR pipe body pipe diameter adaptation, 6 tops of the flange pillar of admitting air are equipped with the flange fixed part 7 that admits air, and the mounting hole of the flange that admits air is placed on the flange fixed part 7 that admits air to it is fixed to fine EGR pipe location of placing on this application device.
Preferably, a fixing plate 11 is provided on the base plate 1, and the second cylinder 15 is fixed on the fixing plate 11.
Further, in order to conveniently observe the leakage of the EGR pipe, a flow meter may be disposed on the intake pipe 10, and the flow rate of the gas flowing through the intake pipe 10 is measured, and when the injected gas reaches a steady state, whether the flow meter changes or not represents whether the EGR pipe leaks or not.
Preferably, during detection, in order to plug the air inlet flange and the air outlet flange without leakage, the air inlet flange plug 8 and the air outlet flange plug 4 are made of flexible rubber, and therefore detection is accurate.
During the use, as shown in fig. 2, place the EGR pipe on this application device, the flange pillar of admitting air is placed to the flange of admitting air, the flange of giving vent to anger is placed on the flange support of giving vent to anger, start first cylinder, second cylinder, they block flange end cap of giving vent to anger, the flange through-hole of giving vent to anger with flange end cap of admitting air respectively, let in 0.1 ~ 0.5Mpa air from the intake pipe again, place it in the pond after with it, observe whether to leak, in order to accomplish the detection, perhaps install the flowmeter in the intake pipe, observe the flowmeter change, confirm whether to leak, in order to accomplish the detection.
The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations can also fall into the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.
Claims (6)
1. An EGR pipe airtightness detection device is characterized by comprising a base plate (1); a first cylinder (2), a second cylinder (15) and an air outlet flange bracket (5) are respectively arranged on the bottom plate (1); the air outlet flange bracket (5) is used for placing an air outlet flange of the EGR pipe; an air outlet flange plug (4) is arranged on a first cylinder slide block (3) of the first cylinder (2), and the first cylinder (2) pushes the air outlet flange plug (4) to plug an air outlet flange through hole of the EGR pipe; a pair of air inlet flange struts (6) are further arranged on the base plate (1), and air inlet flanges of the EGR pipe are placed on the air inlet flange struts (6); an air inlet flange plug (8) is arranged on a second cylinder sliding block (9) of the second cylinder (15), and the second cylinder (15) pushes the air inlet flange plug (8) to plug an air inlet flange through hole of the EGR pipe; an air inlet is formed in the air inlet flange plug (8); an air inlet pipe (10) is arranged on the second cylinder sliding block (9); the air inlet pipe (10) is communicated with the air inlet hole.
2. The EGR pipe airtightness detection apparatus according to claim 1, wherein the outlet flange support (5) is U-shaped.
3. The EGR pipe airtightness detection apparatus according to claim 1, wherein the distance between the intake flange struts (6) is adapted to the pipe diameter of the EGR pipe body; and an air inlet flange fixing part (7) is arranged at the top end of the air inlet flange strut (6).
4. The EGR tube airtightness detection apparatus according to claim 1, wherein a fixing plate (11) is provided on the base plate (1); the second cylinder (15) is fixed on the fixing plate (11).
5. The EGR tube airtightness detection apparatus according to any one of claims 1 to 4, wherein a flow meter is provided on the intake tube (10) for measuring a flow rate of gas flowing through the intake tube (10).
6. The EGR pipe airtightness detection device according to any one of claims 1 to 4, wherein the inlet flange plug (8) and the outlet flange plug (4) are both made of flexible rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896210.6U CN218496343U (en) | 2022-11-01 | 2022-11-01 | EGR manages gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896210.6U CN218496343U (en) | 2022-11-01 | 2022-11-01 | EGR manages gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218496343U true CN218496343U (en) | 2023-02-17 |
Family
ID=85197138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222896210.6U Active CN218496343U (en) | 2022-11-01 | 2022-11-01 | EGR manages gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218496343U (en) |
-
2022
- 2022-11-01 CN CN202222896210.6U patent/CN218496343U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106052978B (en) | A kind of pressure vessel air tightness detection device and method | |
| CN201464127U (en) | Exhaust manifold leakage test device | |
| CN218491747U (en) | Multi-channel rumen fluid in-vitro fermentation gas production measuring device | |
| CN108061629A (en) | A kind of Engine exhaust pipeline gas leak detection device and method | |
| CN218496343U (en) | EGR manages gas tightness detection device | |
| CN109252988A (en) | A kind of gasoline single cylinder engine EGR realization device and its application method | |
| CN204115978U (en) | The pump housing air-tightness detection device of urea volume pump | |
| CN207212518U (en) | A kind of venturi arrangement for egr system | |
| CN217384406U (en) | Test device for flow meter detection | |
| CN205330829U (en) | Integrated gas and EGR's blender | |
| CN215832957U (en) | A frock of leaking hunting for turbo charger | |
| CN214952024U (en) | Air tightness detection device for lithium ion battery shell | |
| CN115683641A (en) | Carbon-free gas engine EGR rate detection method and test bench | |
| CN105738040A (en) | Individual cylinder cap water channel leakage detection device and detection method | |
| CN2723977Y (en) | Silencer air tightness test table | |
| CN205538110U (en) | A device for testing shell body gas tightness | |
| CN201909780U (en) | Rubber hose burning test bench | |
| CN208996839U (en) | A kind of gasoline single cylinder engine EGR realization device | |
| CN208579154U (en) | Experimental device for measuring leakage characteristics of gas pipeline | |
| CN216208949U (en) | Pollutant detection device | |
| CN216925970U (en) | Product sealing performance detection system | |
| CN108414414B (en) | Gas permeation resistance test device | |
| CN216077231U (en) | Turbocharger test bench with adjustable oil return pressure oil supply system | |
| CN218511953U (en) | Leakage tester | |
| CN211576050U (en) | Oil return pipe detection equipment for automobile supercharger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |