CN112098013A - Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof - Google Patents
Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof Download PDFInfo
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- CN112098013A CN112098013A CN202010976887.3A CN202010976887A CN112098013A CN 112098013 A CN112098013 A CN 112098013A CN 202010976887 A CN202010976887 A CN 202010976887A CN 112098013 A CN112098013 A CN 112098013A
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- 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 air tightness test detection system suitable for a sheet type hydraulic multi-way valve and an operation method thereof, wherein the air tightness test detection system comprises a profile frame, a water tank, a leak detection instrument, a confluence valve plate, a cushion block, a table plate, a pneumatic triple piece, a lower frame and trundles; the profile frame is connected with the lower frame, a table plate is arranged on the upper surface of the lower frame, a cushion block is arranged on the table plate, a pneumatic triple piece is arranged on the left side of the lower frame, and a first trundle is arranged at the bottom of the lower frame; the section bar frame is provided with a leakage detector, and a confluence valve plate is arranged on a rear panel of the section bar frame; the water tank is arranged on the side of the lower frame. The device has the advantages of high integration level, high flexibility, convenient and quick operation, high test precision, quickness and stability; the method has the advantages of good performability, easier discrimination of sealing performance, no damage to polluted workpieces, and easy realization of automation of the testing process.
Description
Technical Field
The invention relates to an air tightness test detection system suitable for a sheet type hydraulic multi-way valve and an operation method thereof, and belongs to the technical field of container air tightness detection.
Background
The air tightness test detection is an important process for ensuring the quality and the production safety of valve products. In actual production, the leakage of unqualified products is mainly caused by defects in blank casting quality, such as local tissues including porosity, sand holes, pinholes, cracks, stress concentration, bending and the like, and sometimes caused by reasons of unreasonable processing technology, unreasonable structure, unreasonable installation and the like.
The Chinese patent discloses an air tightness detection device and an air tightness detection method (201910112003.7) suitable for a sealed container, wherein one end of a valve body is correspondingly connected with a connecting port of the sealed container, the other end of the valve body is correspondingly connected with a pressure measuring component, connecting holes are correspondingly formed in the periphery of the valve body to connect the air inflation component and the air deflation component, and air tightness detection of the sealed container under the condition that only one connecting port is formed can be effectively realized.
Above-mentioned prior art's gas tightness detection device simple structure has detected the instrument and can only show the testing result, and whether unable automatic judgement is qualified and audible-visual alarm, and the testing process is difficult to realize flexibility, automation, is unfavorable for marketing.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an air tightness test detection system suitable for a plate type hydraulic multi-way valve and an operation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: a gas tightness test detection system suitable for a sheet type hydraulic multi-way valve and an operation method thereof comprise a section bar frame, a water tank, a leak detection instrument, a confluence valve plate, a cushion block, a table plate, a pneumatic triple piece, a lower frame and trundles;
the profile frame is connected with the lower frame, a table plate is arranged on the upper surface of the lower frame, a cushion block is arranged on the table plate, a pneumatic triple piece is arranged on the left side of the lower frame, and a first caster wheel is arranged at the bottom of the lower frame;
the section bar frame is provided with a leakage detector, and a confluence valve plate is arranged on a rear panel of the section bar frame;
the water tank is arranged on the side of the lower frame.
Furthermore, the water tank comprises a water tank frame, a water tank base plate, a water outlet pipe and a second caster wheel.
Furthermore, the water tank frame is installed in the water tank outside, water tank frame bottom be provided with the water tank backing plate, water tank bottom open and to have the outlet pipe, water tank frame bottom be provided with the second truckle.
Furthermore, the section bar frame be "E" type structure, the instrument that leaks hunting set up on section bar frame middle part baffle, the valve plate that converges install on section bar frame lower part rear panel.
Furthermore, the confluence valve plate is provided with 50 interfaces.
Further, the operation method comprises the following steps:
the method comprises the following steps: correctly inserting a power plug of the leakage detector 2 into the socket jacks; correctly inserting a power supply plug of the leakage detection instrument into a power supply hole of the instrument; switching a power switch of the leakage detector to a conducting state; connecting the socket plug into the jack of the AC220V 50 HZ; the power-on main button is pressed downwards, the red power indicator lamp is lightened, and the power indicator lamp is pressed again to be cut off;
step two: connecting a main gas source air pipe; adjusting a mechanical pressure regulating valve in the pneumatic triple piece 6 to enable the pointer of the working air pressure meter of the equipment to be in a green area;
step three: adjusting the mechanical pressure regulating valve to ensure that the working pressure of the tightening gun is displayed in a mechanical way to indicate that the number is 0.3 mpa;
step four: selecting a perfect sealing ring and sleeving the perfect sealing ring into the thread bottom of the joint; a quick-insertion female joint is correctly selected and is manually pre-installed in a workpiece oil port; a tightening gun is used for installing a gun head, the gun head is sleeved into the detection joint and is kept basically vertical, a knob of the tightening gun is switched to be clockwise, a wrench of the tightening gun is buckled, the tightening gun is rotated, and the joint is tightened; after screwing, the joint sealing ring is ensured to be tightly attached to the assembling end face;
step five: forcibly inserting the detection gas pipe joint into the female joint along the axial direction of the quick-insertion female joint; inserting the other end of the same detection air pipe onto the inflatable air distribution plate;
step six: after the connection is finished, the handle of the stop valve is rotated to a closed state; selecting a detection parameter channel, wherein PR is a 001 water detection mode, PR is a 002 gas detection mode, and the mode can be switched by pressing an up-down button of the leak detector, and the PR is the 002 gas detection mode; pressing a green start button to start detection inflation for 2 minutes, stabilizing pressure for 3 minutes, adjusting the detection pressure by an adjustable pressure regulating valve, increasing clockwise and decreasing anticlockwise to enable the detection pressure displayed on a display screen to be about 5 bar; if the screen displays green and OK, the airtightness of the workpiece is detected to be qualified, and the workpiece is recorded to be qualified on an assembly record table; if the screen displays red and NO OK, the air tightness of the workpiece is detected to be unqualified, the workpiece needs to be hung into a detection water tank, a water detection mode PR is selected to be 001, a green start button is pressed to start detection and inflation for 2 minutes, the pressure is stabilized for 3 minutes, the pressure regulating valve can be regulated to regulate the detection pressure, the detection pressure is increased clockwise and decreased anticlockwise, the detection pressure displayed on the display screen is about 5bar, the leakage point is recorded on an assembly recording table in detail, and an inspector is informed to process the leakage point;
step seven: after the test is finished, the handle of the stop valve is rotated to an open state to exhaust; pinching the quick-insertion female connector to apply downward force until the inflation plug is popped out to be separated from the female plug; and (5) disassembling the quick-insertion female joint by screwing the gun-mounted sleeve.
The invention has the beneficial effects that:
the device has high integration level, high flexibility, convenient and quick operation, high test precision, and high and stable speed; the equipment is suitable for the production of various medium and small batches and single parts, and also can be used for the mass production of less varieties; the method has the advantages of good performability, easier discrimination of sealing performance, no damage to polluted workpieces, and easy realization of automation of the testing process.
Drawings
FIG. 1 is a schematic front view of an air-tightness test detection system suitable for a plate-type hydraulic multi-way valve and an operation method thereof according to the present invention;
fig. 2 is a side schematic view of an air tightness test detection system suitable for a plate type hydraulic multi-way valve and an operation method thereof.
In the figure, 1, a section bar frame, 2, a leakage detection instrument, 3, a confluence valve plate, 4, a cushion block, 5, a table plate, 6, a pneumatic triple piece, 7, a lower frame, 8, a first caster, 9, a water tank, 10, a water tank frame, 11, a water tank base plate, 12, a water outlet pipe, 13 and a second caster are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1-2, the air tightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof are characterized by comprising a section bar frame 1 and a water tank 9, and further comprising a leakage detection instrument 2, a confluence valve plate 3, a cushion block 4, a table plate 5, a pneumatic triple piece 6 and a lower frame 7;
the section frame 1 is connected with a lower frame 7, a table plate 5 is arranged on the upper surface of the lower frame 7, a cushion block 4 is arranged on the table plate 5, a pneumatic triple piece 6 is arranged on the left side of the lower frame 7, and a first caster 8 is arranged at the bottom of the lower frame 7;
the section bar frame 1 is provided with a leakage detector 2, and a confluence valve plate 3 is arranged on a rear panel of the section bar frame 1;
the water tank 9 is arranged on the side of the lower frame 7.
Further, the water tank 9 comprises a water tank frame 10, a water tank base plate 11, a water outlet pipe 12 and a second caster 13.
Further, a water tank frame 10 is installed on the outer side of the water tank 9, a water tank base plate 11 is arranged at the bottom of the water tank frame 10, a water outlet pipe 12 is arranged at the bottom of the water tank 9, and a second caster 13 is arranged at the bottom of the water tank frame 10.
Further, the section bar frame 1 is of an E-shaped structure, the leakage detector 2 is arranged on a baffle plate in the middle of the section bar frame 1, and the confluence valve plate 3 is arranged on a rear panel at the lower part of the section bar frame 1.
Furthermore, 50 interfaces are arranged on the confluence valve plate 3.
Further, the operation method comprises the following steps:
the method comprises the following steps: correctly inserting a power plug of the leakage detector 2 into the socket jacks; correctly inserting a power supply plug of the leakage detection instrument 2 into an instrument power supply hole; switching a power switch of the leakage detector 2 to a conducting state; connecting the socket plug into the jack of the AC220V 50 HZ; the power-on main button is pressed downwards, the red power indicator lamp is lightened, and the power indicator lamp is pressed again to be cut off;
step two: connecting a main gas source air pipe; adjusting a mechanical pressure regulating valve in the pneumatic triple piece 6 to enable the pointer of the working air pressure meter of the equipment to be in a green area;
step three: adjusting the mechanical pressure regulating valve to ensure that the working pressure of the tightening gun is displayed in a mechanical way to indicate that the number is 0.3 mpa;
step four: selecting a perfect sealing ring and sleeving the perfect sealing ring into the thread bottom of the joint; a quick-insertion female joint is correctly selected and is manually pre-installed in a workpiece oil port; a tightening gun is used for installing a gun head, the gun head is sleeved into the detection joint and is kept basically vertical, a knob of the tightening gun is switched to be clockwise, a wrench of the tightening gun is buckled, the tightening gun is rotated, and the joint is tightened; after screwing, the joint sealing ring is ensured to be tightly attached to the assembling end face;
step five: forcibly inserting the detection gas pipe joint into the female joint along the axial direction of the quick-insertion female joint; inserting the other end of the same detection air pipe onto the inflatable air distribution plate;
step six: after the connection is finished, the handle of the stop valve is rotated to a closed state; selecting a detection parameter channel, wherein PR is a 001 water detection mode, PR is a 002 gas detection mode, and the mode can be switched by pressing an up-down button of the leak detector, and the PR is the 002 gas detection mode; pressing a green start button to start detection inflation for 2 minutes, stabilizing pressure for 3 minutes, adjusting the detection pressure by an adjustable pressure regulating valve, increasing clockwise and decreasing anticlockwise to enable the detection pressure displayed on a display screen to be about 5 bar; if the screen displays green and OK, the airtightness of the workpiece is detected to be qualified, and the workpiece is recorded to be qualified on an assembly record table; if the screen displays red and NO OK, the air tightness of the workpiece is detected to be unqualified, the workpiece needs to be hung into a detection water tank, a water detection mode PR is selected to be 001, a green start button is pressed to start detection and inflation for 2 minutes, the pressure is stabilized for 3 minutes, the pressure regulating valve can be regulated to regulate the detection pressure, the detection pressure is increased clockwise and decreased anticlockwise, the detection pressure displayed on the display screen is about 5bar, the leakage point is recorded on an assembly recording table in detail, and an inspector is informed to process the leakage point;
step seven: after the test is finished, the handle of the stop valve is rotated to an open state to exhaust; pinching the quick-insertion female connector to apply downward force until the inflation plug is popped out to be separated from the female plug; and (5) disassembling the quick-insertion female joint by screwing the gun-mounted sleeve.
The working process of the invention is as follows:
the air tightness test detection device integrates the detection principles of a differential pressure method and a water bath method, an operator takes and places a workpiece on a working table, a pneumatic tool is adopted to screw special plugging joints into corresponding holes of the tested workpiece one by one, then a quick joint is manually inserted, a starting button is pressed after the air tightness test detection device is completed, the instrument automatically starts inflation-pressure maintaining-detection, the instrument automatically displays a detection result after the detection is completed, whether the instrument is qualified is automatically judged, and sound and light alarm is given; if the leakage is alarmed, the valve block is manually placed into a special water tank 9 for observing the leakage point beside the valve block for manual observation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides an air tightness test detecting system and operation method suitable for piece formula hydraulic pressure multiple unit valve, includes section bar frame and water tank, its characterized in that: the device also comprises a leakage detecting instrument, a confluence valve plate, a cushion block, a table plate, a pneumatic triple piece, a lower frame and a caster wheel;
the profile frame is connected with the lower frame, a table plate is arranged on the upper surface of the lower frame, a cushion block is arranged on the table plate, a pneumatic triple piece is arranged on the left side of the lower frame, and a first caster wheel is arranged at the bottom of the lower frame;
the section bar frame is provided with a leakage detector, and a confluence valve plate is arranged on a rear panel of the section bar frame;
the water tank is arranged on the side of the lower frame.
2. The airtightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof according to claim 1, wherein: the water tank comprises a water tank frame, a water tank base plate, a water outlet pipe and a second caster wheel.
3. The airtightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof according to claim 2, wherein: the water tank frame is installed in the water tank outside, water tank frame bottom be provided with the water tank backing plate, water tank bottom open and to have the outlet pipe, water tank frame bottom be provided with the second truckle.
4. The airtightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof according to claim 1, wherein: the section bar frame be "E" type structure, the leak hunting instrument set up on section bar frame middle part baffle, the valve plate that converges install on section bar frame lower part rear panel.
5. The airtightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof according to claim 4, wherein: and the confluence valve plate is provided with 50 interfaces.
6. The airtightness test detection system suitable for the plate type hydraulic multi-way valve and the operation method thereof according to claim 1, wherein: the operation method comprises the following steps:
the method comprises the following steps: correctly inserting a power plug of the leakage detector 2 into the socket jacks; correctly inserting a power supply plug of the leakage detection instrument into a power supply hole of the instrument; switching a power switch of the leakage detector to a conducting state; connecting the socket plug into the jack of the AC220V 50 HZ; the power-on main button is pressed downwards, the red power indicator lamp is lightened, and the power indicator lamp is pressed again to be cut off;
step two: connecting a main gas source air pipe; adjusting a mechanical pressure regulating valve in the pneumatic triple piece 6 to enable the pointer of the working air pressure meter of the equipment to be in a green area;
step three: adjusting the mechanical pressure regulating valve to ensure that the working pressure of the tightening gun is displayed in a mechanical way to indicate that the number is 0.3 mpa;
step four: selecting a perfect sealing ring and sleeving the perfect sealing ring into the thread bottom of the joint; a quick-insertion female joint is correctly selected and is manually pre-installed in a workpiece oil port; a tightening gun is used for installing a gun head, the gun head is sleeved into the detection joint and is kept basically vertical, a knob of the tightening gun is switched to be clockwise, a wrench of the tightening gun is buckled, the tightening gun is rotated, and the joint is tightened; after screwing, the joint sealing ring is ensured to be tightly attached to the assembling end face;
step five: forcibly inserting the detection gas pipe joint into the female joint along the axial direction of the quick-insertion female joint; inserting the other end of the same detection air pipe onto the inflatable air distribution plate;
step six: after the connection is finished, the handle of the stop valve is rotated to a closed state; selecting a detection parameter channel, wherein PR is a 001 water detection mode, PR is a 002 gas detection mode, and the mode can be switched by pressing an up-down button of the leak detector, and the PR is the 002 gas detection mode; pressing a green start button to start detection inflation for 2 minutes, stabilizing pressure for 3 minutes, adjusting the detection pressure by an adjustable pressure regulating valve, increasing clockwise and decreasing anticlockwise to enable the detection pressure displayed on a display screen to be about 5 bar; if the screen displays green and OK, the airtightness of the workpiece is detected to be qualified, and the workpiece is recorded to be qualified on an assembly record table; if the screen displays red and NO OK, the air tightness of the workpiece is detected to be unqualified, the workpiece needs to be hung into a detection water tank, a water detection mode PR is selected to be 001, a green start button is pressed to start detection and inflation for 2 minutes, the pressure is stabilized for 3 minutes, the pressure regulating valve can be regulated to regulate the detection pressure, the detection pressure is increased clockwise and decreased anticlockwise, the detection pressure displayed on the display screen is about 5bar, the leakage point is recorded on an assembly recording table in detail, and an inspector is informed to process the leakage point;
step seven: after the test is finished, the handle of the stop valve is rotated to an open state to exhaust; pinching the quick-insertion female connector to apply downward force until the inflation plug is popped out to be separated from the female plug; and (5) disassembling the quick-insertion female joint by screwing the gun-mounted sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976887.3A CN112098013A (en) | 2020-09-17 | 2020-09-17 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976887.3A CN112098013A (en) | 2020-09-17 | 2020-09-17 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
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| CN112098013A true CN112098013A (en) | 2020-12-18 |
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| CN202010976887.3A Pending CN112098013A (en) | 2020-09-17 | 2020-09-17 | Air tightness test detection system suitable for plate type hydraulic multi-way valve and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323499A (en) * | 2021-12-23 | 2022-04-12 | 徐州阿马凯液压技术有限公司 | Air tightness detection device suitable for hydraulic multi-way valve |
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| CN209387217U (en) * | 2019-02-19 | 2019-09-13 | 江苏高电电力设备有限公司 | The detection device of arrester |
| CN111024323A (en) * | 2019-11-29 | 2020-04-17 | 长春市汇腾机电设备有限公司 | Pure electric vehicles power battery package gas tightness detector |
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2020
- 2020-09-17 CN CN202010976887.3A patent/CN112098013A/en active Pending
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|---|---|---|---|---|
| KR20080029595A (en) * | 2006-09-29 | 2008-04-03 | 양현태 | Leakage tester for a valve |
| CN104062112A (en) * | 2014-06-20 | 2014-09-24 | 北京科瑞乐航空油料设备有限公司 | Multifunctional detecting platform |
| CN106033019A (en) * | 2015-03-12 | 2016-10-19 | 浙江波士特机械有限公司 | Test bench for quick connector |
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| CN114323499A (en) * | 2021-12-23 | 2022-04-12 | 徐州阿马凯液压技术有限公司 | Air tightness detection device suitable for hydraulic multi-way valve |
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