CN213239376U - Pipeline interface leakage detection device - Google Patents
Pipeline interface leakage detection device Download PDFInfo
- Publication number
- CN213239376U CN213239376U CN202022084315.2U CN202022084315U CN213239376U CN 213239376 U CN213239376 U CN 213239376U CN 202022084315 U CN202022084315 U CN 202022084315U CN 213239376 U CN213239376 U CN 213239376U
- Authority
- CN
- China
- Prior art keywords
- head part
- head
- head portion
- air storage
- alarm
- 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
Abstract
The utility model discloses a pipeline interface leakage detection device, which comprises a first clamp arm and a second clamp arm hinged by a pin shaft, wherein the first clamp arm is provided with a first head part and a first handle part, and the second clamp arm comprises a second head part and a second handle part; the first handle part and the second handle part move close to each other to drive the first head part and the second head part to be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode; the first head part is provided with a first air storage groove, the second head part is provided with a second air storage groove which is arranged opposite to the first air storage groove, and the first air storage groove and the second air storage groove are spliced to form an air storage ring channel which is arranged along the joint of the pipeline to be detected after the first head part and the second head part are buckled; and the first head part and/or the second head part are/is provided with a pressure alarm device communicated with the gas storage loop. The detection result of the device is directly given by the pressure alarm device, so that the influence of artificial subjective factors on the detection result is reduced, the accuracy of the detection result is improved, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a sealed detection technical field especially relates to a pipeline interface leak testing device.
Background
DOC, DPF and SCR are required to be arranged at an exhaust pipe of the whole vehicle to meet the national emission regulation requirement. The airtightness of the installation cannot be guaranteed by one hundred percent during the installation, and once exhaust gas leakage exists, the emission of the whole vehicle is seriously influenced. Therefore need go off the production line to the gas tightness of blast pipe DOC, DPF and SCR installation kneck when putting off the production line, generally through making the engine get into regeneration state a period at present, make in the blast pipe because of the gas production smog that regeneration was spouted, whether the workman has smog through the range estimation kneck to reveal and judge whether there is the installation problem. The mode of judging whether the leakage exists through visual inspection obviously cannot accurately judge whether the leakage exists in the interface, and in addition, the time for the engine to enter regeneration is long, so that the detection process is long in time consumption.
In summary, how to solve the problem of inaccurate and long time consuming leakage detection of the pipe interface has become a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipe joint leak testing device to solve the inaccurate and long problem consuming time of pipe joint leak testing.
In order to achieve the above object, the present invention provides a device for detecting leakage of a pipe joint, comprising a first clamp arm and a second clamp arm hinged by a pin, wherein the first clamp arm has a first head portion and a first handle portion, and the second clamp arm includes a second head portion and a second handle portion; the first handle part and the second handle part move close to each other to drive the first head part and the second head part to be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode;
the first head part is provided with a first air storage groove, the second head part is provided with a second air storage groove arranged opposite to the first air storage groove, and the first air storage groove and the second air storage groove are spliced to form an air storage ring channel arranged along the to-be-detected pipeline connector after the first head part and the second head part are buckled; and the first head part and/or the second head part are/is provided with a pressure alarm device communicated with the gas storage loop.
Preferably, the first head and the second head are buckled and then buckled, and the buckling diameter sizes of the two ends of the first head and the second head along the pin shaft direction are different.
Preferably, the first head and the second head are buckled and then sealed rings are arranged at two ends of the pin shaft in the direction.
Preferably, the first head part and the second head part are provided with mutually meshed sealing teeth on one sides far away from the pin shaft.
Preferably, the pressure alarm device comprises a gas storage cavity communicated with the gas storage loop through a flow guide channel and an alarm component arranged on the gas storage cavity, and when the pressure in the gas storage cavity becomes higher, the alarm component triggers an alarm.
Preferably, a pressure limiting valve is further mounted on the air storage cavity.
Preferably, the alarm assembly comprises a pressure sensor for detecting the pressure in the air storage cavity and an alarm connected with the pressure sensor.
Preferably, the alarm is a buzzer or an indicator light.
Preferably, the pin shaft is hinged to the front end of the first head part and the front end of the second head part.
Preferably, the pin is hinged at a joint of the first head part and the first handle part and a joint of the second head part and the second handle part.
Compared with the introduction content of the background technology, the pipeline interface leakage detection device comprises a first clamp arm and a second clamp arm which are hinged through a pin shaft, wherein the first clamp arm is provided with a first head part and a first handle part, and the second clamp arm comprises a second head part and a second handle part; the first handle part and the second handle part move close to each other to drive the first head part and the second head part to be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode; the first head part is provided with a first air storage groove, the second head part is provided with a second air storage groove which is arranged opposite to the first air storage groove, and the first air storage groove and the second air storage groove are spliced to form an air storage ring channel which is arranged along the joint of the pipeline to be detected after the first head part and the second head part are buckled; and the first head part and/or the second head part are/is provided with a pressure alarm device communicated with the gas storage loop. The pipeline interface leakage detection device is characterized in that in the practical application process, the detection device is close to a pipeline interface to be detected, the first head part and the second head part are respectively positioned at two sides of the pipeline interface, the first handle part and the second handle part are driven to mutually approach, the first head part and the second head part can be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode, a gas storage ring channel arranged along the pipeline interface to be detected is formed after the first head part and the second head part are buckled, so that the components of the pipeline interface can be buckled in the gas storage ring channel, at the moment, if the pipeline interface leaks gas, the pressure in the gas storage ring channel is increased, and then a pressure alarm device communicated with the gas storage ring channel can give an alarm to know whether the pipeline interface leaks or not, and the leakage detection result of the detection device is directly given by the pressure alarm device, the influence of artificial subjective factors on the detection result is reduced, and the accuracy of the detection result is improved; in addition, the operation process is simple and convenient, the detection result can be fed back in time, the time consumption required by detection is greatly reduced, and the working efficiency is improved.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a pipe joint leakage detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural view illustrating a first head and a second head being fastened together according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure of a pressure alarm device provided in an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of the first head portion provided in the embodiment of the present invention, wherein the fastening diameters of the two ends of the first head portion along the pin axis direction are the same in size;
fig. 5 is a schematic cross-sectional structure view of the second head portion provided in the embodiment of the present invention, wherein the fastening diameters of the two ends of the second head portion along the pin axis direction are the same in size;
fig. 6 is a schematic cross-sectional structure view illustrating that the fastening diameter sizes of the first head portion at two ends along the pin axis direction are different according to the embodiment of the present invention;
fig. 7 is a schematic cross-sectional structure view illustrating that the sizes of the fastening diameters at two ends of the second head along the pin axis direction are different.
In the above figures 1-7 of the drawings,
the clamp comprises a first clamp arm 1, a first head part 1a, a first handle part 1b, an air storage loop 2, a first air storage groove 2a, a second air storage groove 2b, a pin shaft 3, a second clamp arm 4, a second head part 4a, a second handle part 4b, a sealing tooth 5, a sealing ring 6, a pressure alarm device 7, an air storage cavity 8, a flow guide channel 9, a pressure limiting valve 10, a pressure sensor 11 and an alarm 12.
Detailed Description
The core of the utility model is to provide a pipeline interface leak detection device to solve the inaccurate and long problem consuming time of pipeline interface leak detection.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left" and "right" and the like are only for convenience of description and simplification of description, and do not indicate or imply that the position or element referred to must have a specific direction, be constituted in a specific direction and operate, and thus, should not be construed as limiting the present invention, if the directions or positional relationships indicated on the drawings are based on the directions or positional relationships shown in the drawings. Furthermore, the terms "first" and "second," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-7, a device for detecting leakage of a pipe joint according to an embodiment of the present invention includes a first clamp arm 1 and a second clamp arm 4 hinged to each other by a pin, where the first clamp arm 1 has a first head portion 1a and a first handle portion 1b, and the second clamp arm 4 includes a second head portion 4a and a second handle portion 4 b; the first handle part 1b and the second handle part 4b move close to each other to drive the first head part 1a and the second head part 4a to be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode; the first head part 1a is provided with a first air storage groove 2a, the second head part 4a is provided with a second air storage groove 2b arranged opposite to the first air storage groove 2a, and the first air storage groove 2a and the second air storage groove 2b are spliced to form an air storage ring channel 2 arranged along the joint of the pipeline to be detected after the first head part 1a and the second head part 4a are buckled; the first head part 1a and/or the second head part 4a are/is provided with a pressure alarm device 7 communicated with the gas storage loop 2.
The pipeline interface leakage detection device is characterized in that in the practical application process, the detection device is close to a pipeline interface to be detected, the first head part and the second head part are respectively positioned at two sides of the pipeline interface, the first handle part and the second handle part are driven to mutually approach, the first head part and the second head part can be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode, a gas storage ring channel arranged along the pipeline interface to be detected is formed after the first head part and the second head part are buckled, so that the components of the pipeline interface can be buckled in the gas storage ring channel, at the moment, if the pipeline interface leaks gas, the pressure in the gas storage ring channel is increased, and then a pressure alarm device communicated with the gas storage ring channel can give an alarm to know whether the pipeline interface leaks or not, and the leakage detection result of the detection device is directly given by the pressure alarm device, the influence of artificial subjective factors on the detection result is reduced, and the accuracy of the detection result is improved; in addition, the operation process is simple and convenient, the detection result can be fed back in time, the time consumption required by detection is greatly reduced, and the working efficiency is improved.
It should be noted that, in order to ensure the sealing performance after the first head portion and the second head portion are fastened, in general, corresponding sealing elastic structures, such as rubber pads, may be designed at both the fastening position of the first head portion and the second head portion on the hinge side of the pin and the fastening position of the first head portion and the second head portion away from the hinge side of the pin.
In some specific embodiments, the size of the fastening diameter of the first head portion 1a and the second head portion 4a at two ends along the direction of the pin 3 after fastening may be the same or different. Specifically, when the two butted pipelines have the same diameter size, the buckling diameter sizes of the two ends corresponding to the first head part 1a and the second head part 4a are the same; when two pipeline diameter sizes of butt joint are inequality, for satisfying the condition that pipeline kneck mouth pipe diameter changes, the lock diameter size that corresponds the both ends of first head 1a and second head 4a is inequality. In the practical application process, the specific requirements of the pipeline in butt joint can be selected and configured.
In some specific embodiments, in order to ensure the circumferential sealing performance of the first head portion 1a and the second head portion 4a on the pipe wall of the butted pipe, sealing rings 6 are respectively arranged at two ends of the first head portion 1a and the second head portion 4a along the direction of the pin shaft 3 after being buckled. And the detection pipe diameter of the pipeline interface leakage detection device can be adjusted by adjusting the thickness of the sealing rings or increasing or decreasing the number of the sealing rings.
Here, in order to ensure the stability of the sealing ring 6 during installation, corresponding sealing grooves may be further provided on the corresponding first head portion 1a and the corresponding second head portion 4a, and the sealing ring is installed in the sealing groove. It should be noted that, the sealing ring 6 may be made of a softer metal such as copper, and the sealing is ensured by elastic deformation of the metal when pressed, or may be made of a rubber material, and in the actual application process, the selection may be performed according to the actual sealing requirement. In addition, the sealing ring 6 can be designed into an upper half ring structure and a lower half ring structure, so that the sealing ring can be more conveniently installed in the sealing grooves of the first head part and the second head part. The sealing ring can be designed into a whole ring, and the split seam is designed locally, so that the split seam is firstly opened to be sleeved on the pipe wall of the corresponding butt joint pipeline when the sealing ring is used.
In some more specific embodiments, the sides of the first head portion 1a and the second head portion 4a away from the pin 3 may be further provided with mutually engaging sealing teeth 5. Through the mutually meshed sealing tooth structures, the side, away from the pin shaft, of the first head part 1a and the second head part 4a can realize a multi-stage sealing effect, and the sealing performance of the first head part and the second head part on the side is enhanced.
In some more specific embodiments, the above-mentioned specific structure of the pressure alarm device 7 may include a gas storage cavity 8 communicated with the gas storage loop 2 through the diversion channel 9 and an alarm component disposed on the gas storage cavity 8, and when the pressure in the gas storage cavity 8 becomes high, the alarm component triggers an alarm. Through designing the communication between the gas storage cavity 8 and the gas storage loop 2, the related accessories of the alarm assembly are more conveniently arranged. For example, can still install pressure limiting valve 10 on gas storage chamber 8, then when gas storage chamber 8 internal pressure surpassed and predetermine the threshold value, open automatically through the pressure limiting valve, can avoid gas storage chamber 8 high pressure to damage the instrument or take place danger, pressure limiting valve 10's concrete principle does: when the pressure is too high and overcomes the resistance of the spring, the small ball moves backwards, the pressure limiting valve 10 is opened, and the gas discharge pressure is reduced.
In a further embodiment, the alarm assembly may specifically comprise a pressure sensor 11 for detecting the pressure in the gas storage chamber 8 and an alarm 12 connected to the pressure sensor 11. The pressure in the gas storage cavity 8 is detected through the pressure sensor 11, when the detected pressure value exceeds a preset threshold value, the alarm circuit is switched on, the alarm 12 on the corresponding alarm circuit triggers alarm, and a detector is reminded that the pipeline interface is in a leakage state. It can be understood of course that above-mentioned mode that directly adopts the alarm circuit that the pressure sensor cooperation corresponds to report to the police, only the preferred example of the embodiment of the utility model discloses in, among the practical application process, can also adopt other alarm component's structural style, for example, when the fluid in the butt joint pipeline is gaseous, can directly connect a whistle on gas storage chamber 8, when the butt joint pipeline appears leaking, let the gas flow will appear in the gas storage chamber, this gas flow will sound through the whistle outflow, then can learn whether the butt joint pipeline leaks according to whether the sound production of whistle.
In a further embodiment, when the alarm component realizes an alarm by using a pressure sensor in cooperation with an alarm circuit, the alarm 12 may be a buzzer, an indicator light, or an audible and visual alarm, and may be selected according to actual requirements in the actual application process, which is not limited in more detail herein.
It should be noted that, the specific structural form of the first forceps arm 1 and the second forceps arm 4 hinged by the pin shaft may be that the pin shaft 3 is hinged at the front end of the first head portion 1a and the front end of the second head portion 4a, at this time, the corresponding first handle portion 1b is connected to the rear end of the first head portion 1a, and the second handle portions 4b are respectively connected to the rear ends of the second head portions 4 a; the pin shaft 3 may also be hinged to the joint position of the first head portion 1a and the first handle portion 1b and the joint position of the second head portion 4a and the second handle portion 4b, and at this time, in order to achieve that the first head portion and the second head portion can be mutually buckled when the first handle portion and the second handle portion are mutually closed, the first clamp arm 1 and the second clamp arm 4 should be hinged in a crossing manner.
For the better understanding of technical personnel in the field the utility model discloses a technical scheme combines this pipeline interface leak detection device to use to whole car off line the time to the gas tightness detection of blast pipe DOC, DPF and SCR installation kneck below to exemplify:
the engine keeps normal operating condition when the whole car rolls off the production line, press from both sides first tong arm 1 and second tong arm 4 of detection device at the pipeline kneck that needs detected (also be first head 1a and second head 4b lock at the pipeline kneck), guarantee the sealed between gas storage ring way 2 and pipe wall through sealing ring 6 (adopt softer metal such as copper, guarantee sealedly through metal elastic deformation during pressurized) and sealed tooth 5, if there is gas leakage in this interface, gas leaks to gas storage ring way 2 from the kneck and leads to gas storage ring way 2 internal gas pressure to rise, gas gets into gas storage chamber 8 along water conservancy diversion way 9, gas storage chamber 8 internal pressure risees thereupon. The pressure sensor 11 detects that the pressure in the gas storage cavity 8 rises to a certain value, triggers the alarm 12 to give an alarm (a buzzer sounds or an indicator lamp is turned on), and prompts a worker that leakage exists. This operation process can operate under the engine normal operating condition, need not to wait for to easy operation is convenient, can accurately and judge fast that the exhaust is revealed, saves process time, reduces the probability of makeing mistakes.
It is right above the utility model provides a pipeline interface leak testing device introduces in detail. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is also noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The pipeline interface leakage detection device is characterized by comprising a first clamp arm (1) and a second clamp arm (4) which are hinged through a pin shaft, wherein the first clamp arm (1) is provided with a first head part (1a) and a first handle part (1b), and the second clamp arm (4) comprises a second head part (4a) and a second handle part (4 b); the first handle part (1b) and the second handle part (4b) move close to each other to drive the first head part (1a) and the second head part (4a) to be buckled on the outer pipe wall of the pipeline interface to be detected in a circumferential sealing mode;
a first air storage groove (2a) is formed in the first head portion (1a), a second air storage groove (2b) which is arranged opposite to the first air storage groove (2a) is formed in the second head portion (4a), and after the first head portion (1a) and the second head portion (4a) are buckled, the first air storage groove (2a) and the second air storage groove (2b) are spliced to form an air storage ring channel (2) which is arranged along the to-be-detected pipeline connector; and a pressure alarm device (7) communicated with the gas storage loop (2) is arranged on the first head part (1a) and/or the second head part (4 a).
2. The pipe joint leakage detecting device according to claim 1, wherein the first head portion (1a) and the second head portion (4a) are engaged and then have different engaging diameter sizes at both ends in the direction of the pin shaft (3).
3. The pipe interface leakage detection device according to claim 1, wherein sealing rings (6) are disposed at both ends of the first head portion (1a) and the second head portion (4a) in the direction of the pin shaft (3) after being fastened.
4. The pipe joint leak detection device according to claim 1, wherein the first head portion (1a) and the second head portion (4a) are provided with mutually engaging sealing teeth (5) on the side remote from the pin (3).
5. The pipe joint leakage detection device according to claim 1, wherein the pressure alarm device (7) comprises a gas storage cavity (8) communicated with the gas storage loop (2) through a flow guide channel (9) and an alarm component arranged on the gas storage cavity (8), and when the pressure in the gas storage cavity (8) increases, the alarm component triggers an alarm.
6. The pipe joint leakage detection device according to claim 5, wherein a pressure limiting valve (10) is further mounted on the gas storage cavity (8).
7. The pipe joint leak detection device according to claim 5, wherein the alarm assembly comprises a pressure sensor (11) for detecting the pressure in the gas storage chamber (8) and an alarm (12) connected to the pressure sensor (11).
8. The pipe joint leakage detecting device according to claim 7, wherein the alarm (12) is a buzzer or an indicator light.
9. The pipe interface leak detection device according to any one of claims 1 to 8, wherein the pin (3) is hinged to a front end of the first head (1a) and a front end of the second head (4 a).
10. The pipe interface leak detection device according to any one of claims 1-8, wherein the pin (3) is hinged at an engagement of the first head portion (1a) with the first handle portion (1b) and an engagement of the second head portion (4a) with the second handle portion (4 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022084315.2U CN213239376U (en) | 2020-09-21 | 2020-09-21 | Pipeline interface leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022084315.2U CN213239376U (en) | 2020-09-21 | 2020-09-21 | Pipeline interface leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239376U true CN213239376U (en) | 2021-05-18 |
Family
ID=75876748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022084315.2U Active CN213239376U (en) | 2020-09-21 | 2020-09-21 | Pipeline interface leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213239376U (en) |
-
2020
- 2020-09-21 CN CN202022084315.2U patent/CN213239376U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108506638B (en) | Receipts system and method is put in detection robot in gas pipeline | |
| CN210771472U (en) | Safety protection system for buried natural gas pipeline | |
| CN213239376U (en) | Pipeline interface leakage detection device | |
| CN215635594U (en) | Pipeline connecting device capable of preventing gas leakage | |
| CN215807938U (en) | Hydrogenation station pipeline leakage detection system | |
| CN208311757U (en) | A kind of conversion bend pipe introduced for combustion gas | |
| CN113483948B (en) | Differential pressure tube detection device and method | |
| CN214444020U (en) | Stainless steel pipeline welding argon filling device | |
| CN205504232U (en) | A mechanically compress tightly nonrust corrugated steel pipe of formula for gas pipeline | |
| CN211528321U (en) | Pipeline gas detection device | |
| CN212745421U (en) | Interim plugging device of pipeline | |
| CN210716990U (en) | Natural gas line is with preventing leaking detection device | |
| CN113187960A (en) | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof | |
| CN206055016U (en) | A kind of sealing of the clamping sleeve blow-out patch with clamping device oil pipe | |
| CN210034755U (en) | Pressure-bearing leak stoppage testing device | |
| CN220398833U (en) | Pipeline material degradation detection equipment | |
| CN211262710U (en) | Engine test exhaust frock | |
| CN217211260U (en) | Workpiece connecting piece for automobile air outlet air quantity leakage test | |
| CN215985026U (en) | Detection device | |
| CN216520977U (en) | Natural gas leakage-proof alarm device | |
| CN219015564U (en) | LNG storage tank flange leakproofness detection device | |
| CN203405307U (en) | Tool for detecting the tightness of automotive tube | |
| CN212643852U (en) | Automobile air conditioner pipeline joint connection structure | |
| CN215722607U (en) | Safe quick-operation joint | |
| CN210004121U (en) | discharge pipe detection device for cities and towns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |