CN114791343A - Automatic change gas governing valve gas tightness check out test set - Google Patents
Automatic change gas governing valve gas tightness check out test set Download PDFInfo
- Publication number
- CN114791343A CN114791343A CN202210614406.3A CN202210614406A CN114791343A CN 114791343 A CN114791343 A CN 114791343A CN 202210614406 A CN202210614406 A CN 202210614406A CN 114791343 A CN114791343 A CN 114791343A
- Authority
- CN
- China
- Prior art keywords
- gas
- detection
- air
- test set
- out test
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- G01M3/2876—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 valves
Abstract
The invention discloses an automatic gas regulating valve air tightness detection device, which relates to the technical field of automatic gas regulating valve air tightness detection, and aims to solve the problem that the air tightness part of a regulating valve cannot be accurately detected at one time when the air tightness of the existing regulating valve is detected, the key points of the technical proposal are that the device comprises a detection box, a first air pressure gauge is hermetically arranged in a mounting hole on the upper end surface of the detection box, two mounting holes on the symmetrical side surface of the detection box are respectively connected with a fixed air pipe and an air guide pipe in a welding way, the fixed air pipe is connected with a telescopic air pipe in a telescopic way, one end of the telescopic air pipe and one end of the air guide pipe are both connected with flange joints in a welding way, and the outside of flange joint is provided with detects the casing, the sealed mounting has the third barometer in the mounting hole on the detection casing side surface, has reached the effect that can once only accurately detect governing valve gas leakage position.
Description
Technical Field
The invention relates to the technical field of automatic gas regulating valve gas tightness detection, in particular to automatic gas regulating valve gas tightness detection equipment.
Background
The gas has become one of the extensive energy of people's use gradually, and the gas need be carried through the gas pipe when using, and in gas pipeline, the shadow of automatic gas governing valve can often be seen, and the effect of management and control is played to automatic gas governing valve in whole gas pipeline, is one of the important component parts of whole gas pipeline, and automatic gas governing valve need detect its gas tightness before using to avoid appearing the incident emergence that the gas leaked.
When the existing regulating valve is used for detecting air tightness, the position of the regulating valve with air leakage cannot be accurately detected at one time.
Disclosure of Invention
The invention aims to provide a detection device capable of accurately detecting an air leakage part of a regulating valve at one time.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic gas regulating valve airtightness detection device comprises a detection box, wherein a first barometer is installed in a mounting hole in the upper end face of the detection box in a sealing manner, a fixed air pipe and an air guide pipe are respectively welded in two mounting holes in the symmetrical side surfaces of the detection box, a telescopic air pipe is telescopically connected in the fixed air pipe, one end of the telescopic air pipe and one end of the air guide pipe are respectively welded with a flange joint, a detection shell is arranged outside the flange joints, a third barometer is installed in a mounting hole in the side surface of the detection shell in a sealing manner, a regulating valve to be detected is installed in the detection box, then the detection shell is wrapped at the joint of the regulating valve and a detection pipeline, then the detection box is sealed, air is injected into the regulating valve, and the first barometer and the two third barometers are observed at the moment, the inside atmospheric pressure change of obtaining detection case and two detection casings that can be accurate, and then can be accurate judge the gas leakage position of governing valve, whole detection operation once only accomplishes, and can be accurate obtain the valve leakage position, detection efficiency is high.
Furthermore, air duct one end fixedly connected with on the detection case side surface detects the gas pitcher, the sealed mounting of the mounting hole of detecting the gas pitcher up end has the second barometer, detect that the gas pitcher communicates with each other with the air duct is inside, it is located one side of detection case to detect the gas pitcher, wherein through the setting that detects gas pitcher and second barometer, can utilize the second barometer to detect the inside atmospheric pressure value of detecting the gas pitcher, and then judges the atmospheric pressure value that detects this governing valve.
Further, one side that detects the gas pitcher is provided with the pressurization gas pitcher, welded connection has the trachea on the terminal surface under the detection gas pitcher, and tracheal other end welded connection is on the lower terminal surface of pressurization gas pitcher, the upper end of pressurization gas pitcher is provided with the support, and fixed mounting has a hydraulic stem in the mounting hole of support, the flexible fixed mounting of hydraulic stem has the piston board, the inside of pressurization gas pitcher is arranged in to the piston board, fixed mounting has the intake pipe on the upper surface of piston board, install the check valve in the pipeline of intake pipe, this can be when the gas tightness of detection valve, gradual extension hydraulic stem drives the inside slip of piston board at the pressurization gas pitcher through the extension hydraulic stem to change the detection air pressure value of governing valve, come convenient adjustment governing valve's detection air pressure with this, improved the flexibility of detection operation.
Furthermore, four corner positions of terminal surface welded connection respectively have a supporting leg under the detection case, four welded connection has the bottom plate on the inside wall of supporting leg, and this can utilize the supporting leg to provide stable support for whole check out test set.
Further, two slide bars of fixedly connected with on the upper surface of bottom plate, the other end welded connection of slide bar is on the lower surface of detection case, rotatory the installing lead screw between bottom plate and the detection case, the outside slidable mounting of slide bar has the track frame, lead screw threaded connection is in the threaded hole on the track frame surface, and this can drive the track frame through the rotation of lead screw and slide on the surface of slide bar, and then makes the track frame can carry out the removal of upper and lower position, and the governing valve is transported in the convenience, replaces artifical transport, reduces staff's intensity of labour.
Furthermore, the upper end of the track frame is slidably provided with a movable supporting bracket, the upper end of the movable supporting bracket is provided with a placing groove, the regulating valve to be detected can be placed in the groove of the movable supporting bracket, and then the movable supporting bracket is pushed to place the regulating valve in the detection box, so that the convenience of mounting and dismounting the regulating valve is improved.
Further, fixedly connected with motor support on the upper surface of bottom plate, and motor support's upper end fixed mounting has alternating current motor, alternating current motor's rotation axis one end and the one end outside of lead screw all cup joint and install a gear, two gear engagement connects, and this can drive the gear through alternating current motor and rotate, and then drives the lead screw and rotate, provides power for the removal of track frame.
Furthermore, there is a chamber door at one side opening edge of the detection box, a control valve is installed at one end of the fixed air pipe, the control valve is located outside the detection box, the chamber door can be utilized to ensure that the detection box is in a sealed state when detecting, and the detection of the airtightness of the regulating valve is guaranteed.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the regulating valve to be detected is arranged in the detection box, the detection shell is wrapped at the joint of the regulating valve and the detection pipeline, the detection box is sealed, air is injected into the regulating valve, the first barometer and the two third barometers are observed at the moment, the air pressure change in the detection box and the two detection shells can be accurately obtained, the air leakage part of the regulating valve can be accurately judged, the whole detection operation is finished at one time, the valve leakage part can be accurately obtained, and the detection efficiency is high;
2. make the rack slide in the outside of slide bar through the rotation of lead screw, utilize the activity bracket to come to treat the governing valve that detects simultaneously and carry out the bearing and remove, be convenient for install the governing valve in the inside of detection case to and dismantle the operation to the governing valve that has installed, make this equipment possess supplementary structure of feeding, further improvement operation convenience and detection efficiency.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an overall rear view of the present invention;
fig. 3 is an internal structural view of the present invention.
In the figure: 1. a detection box; 2. a first gas pressure gauge; 3. detecting a gas tank; 4. a second barometer; 5. a pressurized gas tank; 6. a hydraulic rod; 7. a piston plate; 8. a box door; 9. fixing the air pipe; 10. a telescopic air pipe; 11. detecting the shell; 12. a third barometer; 13. supporting legs; 14. a slide bar; 15. a screw rod; 16. a track frame; 17. a movable support bracket; 18. a base plate; 19. an alternating current motor; 20. a gear; 21. an air inlet pipe.
Detailed Description
The method of the present invention is described in further detail below with reference to the accompanying drawings.
Referring to the attached drawings 1-3, an automatic gas regulating valve airtightness detection device comprises a detection box 1, a first air pressure gauge 2 is hermetically installed in a mounting hole on the upper end face of the detection box 1, the detection end of the first air pressure gauge 2 is arranged in the detection box 1 and used for detecting the change of the air pressure value in the detection box 1, a fixed air pipe 9 and an air guide pipe are respectively welded in two mounting holes on the symmetrical side surface of the detection box 1, a telescopic air pipe 10 is telescopically connected in the fixed air pipe 9, one end of the telescopic air pipe 10 and one end of the air guide pipe are respectively welded with a flange joint, the adjustment valve to be detected can be conveniently installed through the flange joints, external air can be conveniently guided into the adjustment valve through the air guide pipe and then guided into the fixed air pipe 9, and the airtightness of the valve can be conveniently detected when the valve is closed and opened respectively, the detection operation is flexible and efficient, the detection shell 11 is arranged outside the flange joint, the third air pressure gauge 12 is installed in the installation hole in the side surface of the detection shell 11 in a sealing mode, the joint of the regulating valve and the detection pipeline can be subjected to sealing treatment through the involution of the two detection shells 11, then the air pressure inside the detection shell 11 is detected by the third air pressure gauge 12, the air tightness of the joint of the regulating valve is judged according to the air pressure, and the detection result is accurate.
Referring to fig. 1-3, the air duct one end fixedly connected with on the detection case 1 side surface detects gas pitcher 3, and the sealed mounting has second barometer 4 in the mounting hole of detecting the gas pitcher 3 up end, detects that gas pitcher 3 communicates with each other with the air duct is inside, detects that gas pitcher 3 is located one side of detection case 1, detects that gas pitcher 3 is located whole air intake pipeline, and the second barometer 4 of being convenient for carries out detection operation to the atmospheric pressure value in the whole air intake pipeline, provides data reference for the adjustment detects the atmospheric pressure value.
Referring to fig. 1-3, a pressurized gas tank 5 is arranged on one side of a detection gas tank 3, a gas pipe is welded on the lower end surface of the detection gas tank 3, the other end of the gas pipe is welded on the lower end surface of the pressurized gas tank 5, a support is arranged on the upper end of the pressurized gas tank 5, a hydraulic rod 6 is fixedly arranged in a mounting hole of the support, a piston plate 7 is fixedly arranged on the telescopic end of the hydraulic rod 6, the piston plate 7 is arranged in the pressurized gas tank 5, a sealing rubber ring is arranged on the side surface of the piston plate 7 and tightly attached to the inner wall of the pressurized gas tank 5, a gas inlet pipe 21 is fixedly arranged on the upper surface of the piston plate 7, a one-way valve is arranged in the pipeline of the gas inlet pipe 21, the one-way valve ensures that external air enters the pressurized gas tank 5 and prevents the air in the pressurized gas tank 5 from being discharged, and the support is fixedly sleeved on the outer part of the upper end of the pressurized gas tank 5, and the other end welded connection of support has guaranteed hydraulic stem 6 flexible stable on the side surface of detection case 1.
Referring to fig. 1-3, four corner positions of the lower end surface of the detection box 1 are respectively connected with one supporting leg 13 in a welding manner, and the inner side walls of the four supporting legs 13 are connected with a bottom plate 18 in a welding manner.
Referring to fig. 1-3, two sliding rods 14 are fixedly connected to the upper surface of a bottom plate 18, the other ends of the sliding rods 14 are welded to the lower surface of a detection box 1, a screw rod 15 is rotatably installed between the bottom plate 18 and the detection box 1, rotary installation seats are respectively arranged on the upper surface of the bottom plate 18 and the lower surface of the detection box 1, two ends of the screw rod 15 are respectively installed in installation holes of the rotary installation seats, stable rotation of the screw rod 15 is guaranteed, a track frame 16 is slidably installed outside the sliding rods 14, the screw rod 15 is in threaded connection with threaded holes in the outer surface of the track frame 16, and rotation of the screw rod 15 can stably drive the track frame 16 to move up and down.
Referring to fig. 1, a movable support bracket 17 is slidably mounted at the upper end of the track frame 16, the movable support bracket 17 can move on a horizontal plane, so that the regulating valve can be conveniently placed in the detection box 1, and a placement groove is formed at the upper end of the movable support bracket 17.
Referring to fig. 2, a motor bracket is fixedly connected to the upper surface of the bottom plate 18, an alternating current motor 19 is fixedly mounted at the upper end of the motor bracket, a gear 20 is mounted at one end of a rotating shaft of the alternating current motor 19 and at the outer portion of one end of the screw rod 15 in a sleeved manner, and the two gears 20 are connected in a meshed manner.
Referring to fig. 1, one side opening border department hinged joint of detection case 1 has chamber door 8, and chamber door 8 all is provided with sealing rubber strip with the opening border department of detection case 1, when guaranteeing that chamber door 8 closes, the sealing performance of detection case 1 inside, and control flap is installed to the one end of fixed trachea 9, and control flap is located the outside of detection case 1.
The working principle is as follows: when in use, the device is firstly installed at a specified position, then the regulating valve to be detected is arranged in the placing groove of the movable support bracket 17, then the alternating current motor 19 is started, the alternating current motor 19 is utilized to drive the gear 20 to rotate, the linkage of the two gears 20 is utilized to drive the screw rod 15 to rotate, the screw rod 15 is in threaded connection with the track frame 16, meanwhile, the track frame 16 is in sliding sleeve connection with the outer part of the slide rod 14, the screw rod 15 rotates, the track frame 16 moves upwards, the movable support bracket 17 is in sliding installation at the upper end of the track frame 16, the upward movement of the track frame 16 enables the movable support bracket 17 and the regulating valve to be lifted in height, when the height is lifted to the specified position, the movable support bracket 17 is pushed, the regulating valve is arranged in the detection box 1, then one end of the regulating valve is firstly connected with the flange connection disc at one end of the air guide pipe communicated with the side surface of the detection air tank 3, then the telescopic air pipe 10 is pulled out, the telescopic air pipe 10 is fixedly connected to the other end of the regulating valve, then the two detection shells 11 are oppositely arranged outside the flange connection disc, then the box door 8 is closed, the locking operation of the box door 8 is carried out through the locking structure on the side wall of the detection box 1, then the hydraulic rod 6 is extended, the piston plate 7 is driven by the hydraulic rod 6 to move inside the pressurized air tank 5, at the moment, air inside the pressurized air tank 5 passes through the detection air tank 3 and enters one end of the regulating valve, at the moment, the regulating valve is in a closed state, the air tightness of one end of the regulating valve can be judged by observing the value of a third barometer 12 close to the detection air tank 3, then the regulating valve is opened, at the moment, whether the other end of the regulating valve and the valve body of the regulating valve leak or not can be detected by observing another third barometer 12 and the first barometer 2, can adjust the detection air pressure numerical value through the extension of adjusting hydraulic stem 6 to read exact air pressure numerical value through second barometer 4, detect the back that finishes, open chamber door 8, then arrange movable support bracket 17 in the inside of detection case 1 again, and dismantle the governing valve of detection case 1 inside, then shift the governing valve to the outside of detection case 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an automatic change gas regulating valve gas tightness check out test set, includes detection case (1), its characterized in that: the utility model discloses a pneumatic pressure meter, including detection case (1), fixed trachea (9) and an air duct, the inside telescopic connection of fixed trachea (9) has flexible trachea (10) in two mounting holes on the side surface of detection case (1) symmetry respectively welded connection, the equal welded connection of one end of the one end of flexible trachea (10) and air duct has flange joint, and flange joint's outside is provided with and detects casing (11), sealed mounting has third barometer (12) in the mounting hole on detection casing (11) side surface.
2. The automatic change gas governing valve gas tightness check out test set of claim 1, characterized by: the gas guide pipe one end fixedly connected with on the side surface of detection case (1) detects gas pitcher (3), the sealed mounting has second barometer (4) in the mounting hole of detecting gas pitcher (3) up end, it communicates with each other with the gas guide pipe is inside to detect gas pitcher (3), it is located one side of detection case (1) to detect gas pitcher (3).
3. The automatic change gas governing valve gas tightness check out test set of claim 2, characterized by: one side that detects gas pitcher (3) is provided with pressurization gas pitcher (5), welded connection has the trachea on the terminal surface under detection gas pitcher (3), and tracheal other end welded connection is on the lower terminal surface of pressurization gas pitcher (5), the upper end of pressurization gas pitcher (5) is provided with the support, and fixed mounting has hydraulic stem (6) in the mounting hole of support, the flexible fixed mounting of hydraulic stem (6) has piston plate (7), the inside of pressurization gas pitcher (5) is arranged in piston plate (7), fixed mounting has intake pipe (21) on the upper surface of piston plate (7), install the check valve in the pipeline of intake pipe (21).
4. The automatic change gas governing valve gas tightness check out test set of claim 1, characterized in that: four corner positions of the lower end face of the detection box (1) are respectively connected with one supporting leg (13) in a welding mode, and four bottom plates (18) are connected to the inner side walls of the supporting legs (13) in a welding mode.
5. The automatic change gas governing valve gas tightness check out test set of claim 4, characterized in that: two slide bars (14) of fixedly connected with on the upper surface of bottom plate (18), the other end welded connection of slide bar (14) is on the lower surface of detection case (1), rotatory lead screw (15) of installing between bottom plate (18) and detection case (1), the outside slidable mounting of slide bar (14) has track frame (16), lead screw (15) threaded connection is in the screw hole on track frame (16) surface.
6. The automatic change gas governing valve gas tightness check out test set of claim 5, characterized by: the upper end slidable mounting of track frame (16) has activity support bracket (17), the upper end of activity support bracket (17) is provided with places the recess.
7. The automatic change gas governing valve gas tightness check out test set of claim 5, characterized by: fixedly connected with motor support on the upper surface of bottom plate (18), and motor support's upper end fixed mounting has alternating current motor (19), the outside of the one end of the rotation axis one end of alternating current motor (19) and lead screw (15) all cup joints and installs a gear (20), two gear (20) meshing is connected.
8. The automatic change gas governing valve gas tightness check out test set of claim 5, characterized by: the detection box is characterized in that a box door (8) is hinged to the opening edge of one side of the detection box (1), a control valve is installed at one end of the fixed air pipe (9), and the control valve is located outside the detection box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614406.3A CN114791343A (en) | 2022-05-31 | 2022-05-31 | Automatic change gas governing valve gas tightness check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614406.3A CN114791343A (en) | 2022-05-31 | 2022-05-31 | Automatic change gas governing valve gas tightness check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114791343A true CN114791343A (en) | 2022-07-26 |
Family
ID=82463350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210614406.3A Pending CN114791343A (en) | 2022-05-31 | 2022-05-31 | Automatic change gas governing valve gas tightness check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114791343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147078A (en) * | 2023-10-31 | 2023-12-01 | 良正阀门有限公司 | Gas gate valve detection device |
-
2022
- 2022-05-31 CN CN202210614406.3A patent/CN114791343A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147078A (en) * | 2023-10-31 | 2023-12-01 | 良正阀门有限公司 | Gas gate valve detection device |
| CN117147078B (en) * | 2023-10-31 | 2024-01-26 | 良正阀门有限公司 | Gas gate valve detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105424295B (en) | The leak-testing apparatus of immersible pump | |
| CN114791343A (en) | Automatic change gas governing valve gas tightness check out test set | |
| CN211317884U (en) | VOC gas detection device | |
| CN113432793A (en) | Building door and window on-site airtightness performance detection device | |
| CN215296596U (en) | Air tightness detection box | |
| CN219956836U (en) | Boiler pressure vessel inspection detection device | |
| CN218937672U (en) | Air tightness detection device for engine crankshaft oil seal | |
| CN208043349U (en) | A kind of new air filter leak-testing apparatus | |
| CN116659840A (en) | Safety valve verification equipment and verification method | |
| CN215832957U (en) | A frock of leaking hunting for turbo charger | |
| CN217738575U (en) | Vacuum helium detection equipment for detecting air tightness of product | |
| CN206343187U (en) | A kind of altitude environment analog testing box | |
| CN214668252U (en) | Natural gas line nondestructive test auxiliary device | |
| CN213041462U (en) | Air tightness test system | |
| CN113029796A (en) | Natural gas line nondestructive test auxiliary device | |
| CN208043350U (en) | A kind of filter seals detection device of helium mass spectrography | |
| CN215492255U (en) | Chip packaging sealing performance test fixture | |
| CN211291899U (en) | Cylinder cover sealing performance detection device | |
| CN218156737U (en) | Hydraulic motor casing foundry goods leakage detection device convenient to distinguish | |
| CN213985572U (en) | Prevent fuel oil system airtight ventilation test interfacing apparatus of oil filler hole damage | |
| CN214040547U (en) | Detection apparatus for aerogenerator fan aircraft bonnet leakproofness | |
| CN214538404U (en) | Valve gap leakproofness detection device | |
| CN215722602U (en) | Hydraulic engineering pipeline leakage detection device convenient to dismouting | |
| CN220583710U (en) | Valve pressure leak detection device | |
| CN212134074U (en) | Throttle position sensor function test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |