CN215910072U - Fire control foundry goods connecting bend gas tightness detecting instrument - Google Patents
Fire control foundry goods connecting bend gas tightness detecting instrument Download PDFInfo
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- CN215910072U CN215910072U CN202122105706.2U CN202122105706U CN215910072U CN 215910072 U CN215910072 U CN 215910072U CN 202122105706 U CN202122105706 U CN 202122105706U CN 215910072 U CN215910072 U CN 215910072U
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- 238000005266 casting Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to an air tightness detecting instrument for a fire-fighting casting connecting elbow, which comprises a platform, an air compression device and two pipe fitting plugging components, wherein the platform is provided with a platform body; can place the connecting bend on the platform, through the position of two expansion rings of shifting chute adjustment afterwards, and put into the both ends of connecting the bend respectively with two expansion rings inside, the air pump of operation afterwards, make the air pump inflate the expansion ring and swell and carry out the shutoff to the both ends of connecting the bend, and make the inside sealed chamber that forms of connecting the bend, operation air compression device afterwards, impress the air in the sealed intracavity, stop the input air after reaching predetermined pressure value, the atmospheric pressure of sealed intracavity portion is responded to through pressure sensor afterwards, and whether there is the leakage in the signal judgement connecting the bend through pressure sensor, from this can be convenient carry out the gas tightness test to the fire-fighting pipe connection bend of unidimensional model, reduce and detect the cost, and improve application scope.
Description
Technical Field
The utility model relates to the technical field of castings, in particular to an air tightness detecting instrument for a connecting elbow of a fire-fighting casting.
Background
In our industrial production, many castings are needed, and the quality requirements of the castings are continuously improved along with the continuous improvement of the requirements, wherein the tightness of the castings is one of important indexes for measuring the quality of the castings.
At present, fire-fighting pipeline connecting elbows in the prior art are often used in the connection of fire-fighting pipelines, and the defects of casting air holes, looseness and the like can cause leakage, so that air tightness tests are required to be carried out on castings before the castings are delivered from factories and assembled for use.
However, the traditional air tightness detector is inconvenient for testing the connecting elbows when facing the connecting elbows with different sizes, different detection devices are required to be replaced frequently to detect the connecting elbows, the air tightness detector is not convenient and fast to use, and the detection cost is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the problems in the prior art, the utility model provides an air tightness detection instrument for a fire-fighting casting connecting elbow, which can conveniently and rapidly test the air tightness of fire-fighting pipeline connecting elbows of different sizes and models, reduce the detection cost and improve the application range.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
the instrument for detecting the air tightness of the connecting elbow of the fire-fighting casting comprises a platform, an air compression device and two pipe fitting plugging components, wherein two moving grooves are formed in the platform, one moving groove is connected with one pipe fitting plugging component, the air compression device is connected with one pipe fitting plugging component through an air guide pipe, and a pressure sensor is arranged on the other pipe fitting plugging component;
the pipe fitting shutoff subassembly includes carriage release lever, air pump, connecting rod, stationary blade and expansion ring, one side of air pump is passed through the carriage release lever is connected with one the shifting chute, the opposite side of air pump is connected with through the connecting rod the stationary blade, the periphery of stationary blade is connected with the expansion ring, the air pump pass through the connecting pipe with the expansion ring is connected.
Furthermore, one surface of the fixing sheet, which is far away from the air pump, is connected with the pressure sensor.
Furthermore, a through hole is formed in the fixing plate, one end of the air guide tube is connected with the air compression device, and the other end of the air guide tube is connected with the through hole through a sealing ring.
Further, the two moving grooves are perpendicular to each other.
Furthermore, the movable groove comprises a transverse groove and vertical grooves, and a plurality of vertical grooves are uniformly arranged on two sides of the transverse groove.
Further, the carriage release lever includes base and telescopic link, the one end of telescopic link with one side of air pump is connected, the other end of telescopic link with the one side of base is connected, the base set up in the one side of platform, the another side of base is provided with the inserted bar, but inserted bar sliding connection in the shifting chute.
Furthermore, the movable rod is provided with a locking piece, the locking piece is arranged on the other side of the platform and is detachably connected with the insertion rod, and the locking piece is used for limiting the movement of the movable rod.
Further, the expansion ring is of a hollow annular structure.
Furthermore, the platform also comprises support legs, and the support legs are detachably connected with the other side of the platform.
Further, still include the PLC controller, the PLC controller set up in the one side of platform, the PLC controller respectively with air compression device, the air pump with the pressure sensor electricity is connected.
(III) advantageous effects
The utility model has the beneficial effects that: when the air tightness of the fire-fighting pipeline connecting elbow needs to be detected in the actual production and use process, the connecting elbows can be placed on the platform, and then the positions of the two expansion loops can be adjusted by moving the slots, and the two expansion rings are respectively placed in the two ends of the connecting elbow, then the air pump is operated to make the expansion rings inflate and swell by the air pump to plug the two ends of the connecting elbow, and a sealing cavity is formed inside the connecting elbow, then an air compression device is operated to press air into the sealing cavity, stopping inputting air after reaching a preset pressure value, then sensing the air pressure in the sealed cavity through a pressure sensor, judging whether the connecting elbow leaks or not through the signal of the pressure sensor, from this can be convenient carry out the gas tightness test to the fire-fighting pipeline connecting elbow of unidimensional model, reduce the detection cost to improve application scope.
Drawings
FIG. 1 is a schematic overall structure diagram of an airtightness detection apparatus for a connecting elbow of a fire-fighting casting according to an embodiment of the present invention;
FIG. 2 is a schematic overall structure diagram of an airtightness detection apparatus for a connecting elbow of a fire-fighting casting according to an embodiment of the present invention;
FIG. 3 is a side view of the whole structure of the airtightness detecting apparatus for a connecting elbow of a fire fighting casting according to the embodiment of the present invention;
FIG. 4 is a top view of the overall structure of the airtightness detection apparatus for a connecting elbow of a fire fighting casting according to the embodiment of the present invention;
[ description of reference ]
1-platform, 2-expansion ring, 3-pressure sensor, 4-connecting rod, 5-air pump, 6-moving groove, 7-PLC controller, 8-supporting leg, 9-air compression device, 10-placing table, 11-base, 12-telescopic rod, 13-air guide tube, 14-connecting tube, 15-through hole, 16-fixing piece and 17-locking piece.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 4, the fire-fighting casting connecting elbow airtightness detection instrument of the present invention includes a platform 1, an air compression device 9 and two pipe plugging assemblies, wherein the platform 1 is provided with two moving grooves 6, one moving groove 6 is connected with one pipe plugging assembly, the air compression device 9 is connected with one pipe plugging assembly through an air duct 13, and the other pipe plugging assembly is provided with a pressure sensor 3;
the pipe fitting shutoff subassembly includes carriage release lever, air pump 5, connecting rod 4, stationary blade 16 and expansion ring 2, one side of air pump 5 is passed through the carriage release lever is with one the shifting chute 6 is connected, the opposite side of air pump 5 is connected with through connecting rod 4 stationary blade 16, the periphery of stationary blade 16 is connected with expansion ring 2, air pump 5 through connecting pipe 14 with expansion ring 2 is connected.
The working principle of the utility model is as follows: when needs carry out the gas tightness to fire control pipeline connecting elbow and examine time measuring in the actual production use, can place connecting elbow on platform 1, adjust two expansion ring 2's position through shifting chute 6 afterwards, and put into two expansion ring 2 respectively inside the both ends of connecting the elbow, operation air pump 5 afterwards, make air pump 5 inflate expansion ring 2 and swell and carry out the shutoff to connecting the both ends of elbow, and make the inside sealed chamber that forms of connecting the elbow, operation air compressor arrangement 9 afterwards, impress the air in the sealed chamber, stop the input air after reaching predetermined pressure value, the inside atmospheric pressure of sealed chamber is responded to through pressure sensor 3 afterwards, and judge through pressure sensor 3's signal and connect whether there is the leakage.
Further, one side of the fixing piece 16 away from the air pump 5 is connected to the pressure sensor 3.
From the above description it follows that the pressure sensor 3 inside the connecting bend is advantageously better sensitive to pressure.
Furthermore, a through hole 15 is formed in the first fixing piece 16, one end of the air duct 13 is connected with the air compression device 9, and the other end of the air duct 13 is connected with the through hole 15 through a sealing ring.
As can be seen from the above description, the air compressing device 9 is advantageous to better guide the compressed air into the sealed cavity through the air duct 13 and the through hole 15.
Further, the two moving grooves 6 are perpendicular to each other.
From the above description, it can be seen that the positions of the two pipe plugging assemblies are advantageously adjusted better, thereby adapting to connection elbows of various specifications.
Further, the movable groove 6 is composed of a transverse groove and a vertical groove, and a plurality of vertical grooves are uniformly formed in two sides of the transverse groove.
As can be seen from the above description, it is advantageous that the position of the moving rod can be adjusted in the horizontal and vertical slots when the moving rod moves in the moving slot 6, thereby further increasing the moving range of the moving rod.
Further, the carriage release lever includes base 11 and telescopic link 12, the one end of telescopic link 12 with one side of air pump 5 is connected, the other end of telescopic link 12 with the one side of base 11 is connected, base 11 set up in the one side of platform 1, the another side of base 11 is provided with the inserted bar, but inserted bar sliding connection in the shifting chute 6.
As can be seen from the above description, it is advantageous that the base 11 is moved on the moving slot 6 by the insertion rod, the tube plugging assembly is driven by driving the telescopic rod 12, and the height of the tube plugging assembly is adjustable by the telescopic rod 12.
Further, the platform also comprises a locking piece 17, wherein the locking piece 17 is arranged on the other surface of the platform 1 and is detachably connected with the insertion rod, and the locking piece 17 is used for limiting the movement of the moving rod.
As can be seen from the above description, it is advantageous to lock the travel bar by means of the locking member 17 after the travel bar has been moved into position, avoiding the travel bar moving.
Further, the expansion ring 2 is a hollow annular structure.
As can be seen from the above description, a better expansion of the expansion ring 2 is facilitated.
Furthermore, the platform also comprises a support leg 8, and the support leg 8 is detachably connected with the other side of the platform 1.
As can be seen from the above description, it is advantageous to raise the height of the whole device, to prevent the whole device from directly contacting the ground, and to prevent the whole device from being damaged by moisture.
Further, still include PLC controller 7, PLC controller 7 set up in the one side of platform 1, PLC controller 7 respectively with air compression device 9 air pump 5 with pressure sensor 3 electricity is connected.
As can be seen from the above description, it is convenient for the user to control the whole device, and the PLC controller 7 is connected to the display and displays the signal of the pressure sensor 3 through the display.
Example one
Referring to fig. 1 to 4, an air tightness detecting instrument for a fire-fighting casting connecting elbow comprises a platform 1, an air compression device 9 and two pipe fitting plugging components, wherein the platform 1 is provided with two moving grooves 6, one moving groove 6 is connected with one pipe fitting plugging component, the air compression device 9 is connected with one pipe fitting plugging component through an air duct 13, and the other pipe fitting plugging component is provided with a pressure sensor 3;
the pipe blocking assembly comprises a moving rod, an air pump 5, a connecting rod 4, a fixing piece 16 and an expansion ring 2, one side of the air pump 5 is connected with the moving groove 6 through the moving rod, the other side of the air pump 5 is connected with the fixing piece 16 through the connecting rod 4, the periphery of the fixing piece 16 is connected with the expansion ring 2, and the air pump 5 is connected with the expansion ring 2 through a connecting pipe 14;
the air pump 5 is used for inflating the expansion ring 2;
the expansion ring 2 is made of rubber, so that the toughness is good and the friction coefficient is high;
the outer surface of the expansion ring 2 is wrapped with nano-gel, and the nano-gel is favorable for improving the sealing property of the expansion ring 2;
one side of the fixing piece 16, which is far away from the air pump 5, is connected with the pressure sensor 3;
a through hole 15 is formed in one fixing piece 16, one end of the air guide pipe 13 is connected with the air compression device 9, and the other end of the air guide pipe 13 is connected with the through hole 15 through a sealing ring;
the two moving grooves 6 are perpendicular to each other;
the moving groove 6 consists of a transverse groove and a vertical groove, and a plurality of vertical grooves are uniformly arranged on two sides of the transverse groove;
the moving rod comprises a base 11 and an expansion rod 12, one end of the expansion rod 12 is connected with one side of the air pump 5, the other end of the expansion rod 12 is connected with one surface of the base 11 and welded, the base 11 is arranged on one surface of the platform 1, and an insertion rod is arranged on the other surface of the base 11 and can be slidably connected into the moving groove 6;
the platform also comprises a locking piece 17, wherein the locking piece 17 is arranged on the other surface of the platform 1 and is detachably connected with the insertion rod, and the locking piece 17 is used for limiting the movement of the moving rod;
the insertion rod is a bolt, and the locking piece 17 is a nut;
the expansion ring 2 is of a hollow annular structure;
the platform also comprises a supporting leg 8, wherein the supporting leg 8 is detachably connected with the other surface of the platform 1 and is connected with the other surface of the platform by a bolt;
the air pump is characterized by further comprising a PLC (programmable logic controller) 7, wherein the PLC 7 is arranged on one surface of the platform 1, and the PLC 7 is electrically connected with the air compression device 9, the air pump 5 and the pressure sensor 3 respectively;
the PLC controller 7 is provided with a DATA-7311 model;
the air compressor further comprises a placing table 10, the placing table 10 is welded with the platform 1, and the air compressor 9 is detachably connected with the placing table 10 through screws;
the air compression device 9 is an air compressor;
the air duct 13 is internally provided with an electromagnetic valve which is used for sealing the input or output of air and avoiding the backflow of compressed air in the sealed cavity.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the contents of the present specification and the drawings, or applied to the related technical fields directly or indirectly, are included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a fire control foundry goods connecting bend gas tightness detecting instrument which characterized in that: the device comprises a platform, an air compression device and two pipe fitting plugging components, wherein two moving grooves are formed in the platform, one moving groove is connected with one pipe fitting plugging component, the air compression device is connected with one pipe fitting plugging component through an air duct, and a pressure sensor is arranged on the other pipe fitting plugging component;
the pipe fitting shutoff subassembly includes carriage release lever, air pump, connecting rod, stationary blade and expansion ring, one side of air pump is passed through the carriage release lever is connected with one the shifting chute, the opposite side of air pump is connected with through the connecting rod the stationary blade, the periphery of stationary blade is connected with the expansion ring, the air pump pass through the connecting pipe with the expansion ring is connected.
2. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: one surface of the fixing piece, which is far away from the air pump, is connected with the pressure sensor.
3. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: one the fixing piece is provided with a through hole, one end of the air duct is connected with the air compression device, and the other end of the air duct is connected with the through hole through a sealing ring.
4. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: the two moving grooves are perpendicular to each other.
5. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: the movable groove consists of a transverse groove and vertical grooves, and a plurality of vertical grooves are uniformly arranged on two sides of the transverse groove.
6. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: the movable rod comprises a base and a telescopic rod, one end of the telescopic rod is connected with one side of the air pump, the other end of the telescopic rod is connected with one side of the base, the base is arranged on one side of the platform, an inserting rod is arranged on the other side of the base, and the inserting rod is slidably connected in the movable groove.
7. The fire control casting connecting elbow airtightness detection instrument according to claim 6, wherein: the movable rod is arranged on the platform, the locking piece is arranged on the other side of the platform and is detachably connected with the inserting rod, and the locking piece is used for limiting the movable rod to move.
8. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: the expansion ring is of a hollow annular structure.
9. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: the platform is characterized by further comprising support legs, and the support legs are detachably connected with the other side of the platform.
10. The fire control casting connecting elbow airtightness detection instrument according to claim 1, wherein: still include the PLC controller, the PLC controller set up in the one side of platform, the PLC controller respectively with air compression device the air pump with the pressure sensor electricity is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105706.2U CN215910072U (en) | 2021-09-02 | 2021-09-02 | Fire control foundry goods connecting bend gas tightness detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105706.2U CN215910072U (en) | 2021-09-02 | 2021-09-02 | Fire control foundry goods connecting bend gas tightness detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215910072U true CN215910072U (en) | 2022-02-25 |
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ID=80293432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122105706.2U Expired - Fee Related CN215910072U (en) | 2021-09-02 | 2021-09-02 | Fire control foundry goods connecting bend gas tightness detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215910072U (en) |
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2021
- 2021-09-02 CN CN202122105706.2U patent/CN215910072U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |