CN104502030B - Valve air tightness detection system - Google Patents
Valve air tightness detection system Download PDFInfo
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- CN104502030B CN104502030B CN201510009604.7A CN201510009604A CN104502030B CN 104502030 B CN104502030 B CN 104502030B CN 201510009604 A CN201510009604 A CN 201510009604A CN 104502030 B CN104502030 B CN 104502030B
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Abstract
Valve air tightness detection system,The system includes water tank,Tank is provided with water tank,Enter aqueous vapor cylinder and it is a plurality of with enter the valve clamping device that aqueous vapor cylinder is connected,It is installed in the tank bracket above water tank,Pneumatic cylinder up and down on tank bracket,The manipulator support being connected with the piston rod of upper and lower pneumatic cylinder,It is arranged on a plurality of manipulators on manipulator support,Manipulator transmission mechanism,Manipulator includes being provided with the main shaft of travelling gear,The manipulator cylinder being connected with main shaft,The manipulator fixture affixed with manipulator cylinder,It is hinged on two clamping limbs in manipulator fixture,One end of each clamping limb is hinged by linking arm with the piston rod of manipulator cylinder respectively,Manipulator transmission mechanism includes transmission cylinder,It is fixed in the tooth bar on the piston rod of transmission cylinder,Each travelling gear is meshed with tooth bar,The system can realize that the opening angle of each station valve to be measured is consistent,Ensure that the experimental condition of each valve to be measured is consistent,So that result of the test is more accurate.
Description
Technical field
The invention mainly relates to valve air-leakage test field, more particularly to valve air tightness detection system technical field.
Background technology
The sealing property of valve is a very important function of valve mass, and almost all of valve products standard is all
Using valve air-tightness as very important detection item controlled.When the air-tightness to valve is detected, housing is included
Experiment, Back seal test and leakage test.Wherein, the method and steps of Shell test is：Close the circulation passage of valve to be measured
Two ends, compress gland, in opening valve portion to be measured and putting it into water, inflate and gradually pressurize in valve body to be measured
To test pressure, after reaching the stipulated time, check whether housing has infiltration.The existing test machine for carrying out valve housing experiment, bag
Water tank is included, tank, valve clamping device has been provided with water tank and is entered aqueous vapor cylinder, entered aqueous vapor cylinder and be connected with valve clamping device and can
Valve clamping device is brought into or band effluent trough, when needing to treat side valve door and carrying out Shell test and operate, valve to be measured is put
Put on valve clamping device, valve clamping device fixes the circulation passage closed at both ends of valve to be measured, then manually one by one
Valve to be measured is opened, and is brought in tank into the valve to be measured that valve clamping device to be measured and part are opened by entering aqueous vapor cylinder
In water, then to being inflated in valve body and being gradually forced into test pressure, after reaching the stipulated time, check whether housing has infiltration, enter
And complete whole experiment process.Due to when treating side valve door and carrying out Shell test, needing manually be beaten with instrument pinch valve bar one by one
Valve to be measured is opened, labour intensity is high, and cannot ensure that the opening angle of each valve to be measured is consistent, that is, be difficult to ensure that each to be measured
The experimental condition of valve is consistent, and the result of experiment is vulnerable to influence.
The content of the invention
To overcome the above-mentioned defect having in the prior art, it is an object of the invention to provide a kind of valve air-leakage test
System, the system can realize that the opening angle of each station valve to be measured is consistent, it is ensured that the experimental condition one of each valve to be measured
Cause so that result of the test is more accurate.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of valve air tightness detection system, the system includes water tank, tank is provided with water tank, enters aqueous vapor cylinder and a plurality of
Can close the valve clamping device at the circulation passage two ends of valve to be measured, valve clamping device with enter aqueous vapor cylinder and be connected and can be by entering
Aqueous vapor cylinder drives turnover tank, and the system also includes being installed in tank bracket above the water tank, located at the tank bracket
On pneumatic cylinder up and down, be connected to upper and lower pneumatic cylinder piston rod end manipulator support and several be arranged on machinery
The manipulator above the valve to be measured is correspondingly arranged on hand support and respectively, each manipulator includes being provided with driving cog respectively
The main shaft of wheel, the manipulator cylinder for being connected to main shaft bottom, the manipulator fixture being fixed on manipulator cylinder and middle part difference
It is hinged in manipulator fixture and two L-shaped clamping limbs, two companies is respectively articulated with the piston rod end of manipulator cylinder
One end of arm is connect, the other end of linking arm is hinged with one end of clamping limb respectively, the other end of clamping limb extends to manipulator folder
Tool is outer, and manipulator transmission mechanism is provided with manipulator support, and the manipulator transmission mechanism includes being fixed on manipulator support
Transmission cylinder and the tooth bar that is arranged on the piston rod of transmission cylinder, the travelling gear of each manipulator engages with tooth bar respectively.
From the foregoing, being installed with tank bracket on water tank, upper and lower pneumatic cylinder is provided with tank bracket, it is pneumatic up and down
Manipulator support is connected with the piston rod of cylinder, if be provided with manipulator support corresponding with valve to be measured respectively simultaneously
Dry manipulator, the manipulator includes being provided with the main shaft of travelling gear, is connected to the manipulator cylinder of main shaft lower end, mechanical luck
The affixed manipulator fixture in cylinder lower section, articulated two L-shaped middle parts of clamping limb in manipulator fixture, in manipulator cylinder
Piston rod end is respectively articulated with two linking arms, and the other end of linking arm is hinged with one end of clamping limb respectively, clamping limb it is another
One end extends to the outer bare terminal end as clamping valve rod of manipulator fixture, and robotic transfer machine is provided with manipulator support
Structure, the manipulator transmission mechanism includes the transmission cylinder being fixed on manipulator support, is arranged on the piston rod of transmission cylinder
Tooth bar, the travelling gear of each manipulator engages with tooth bar respectively, when needing to open valve to be measured using the system, can pass through
The piston rod driving mechanical hand support of upper and lower pneumatic cylinder is moved downward so that two clamping limbs alignment of each manipulator is each to be measured
The valve rod both sides of valve, then the piston rod of control machinery hand cylinder is acted, and clamping limb is driven by valve to be measured with by linking arm
Valve rod clamp, the then piston rod action of control transmission cylinder, and then band carry-over bar movement, you can drive on each manipulator
Travelling gear is rotated simultaneously, and main shaft, manipulator cylinder and clamping limb are also followed and rotated together, and the clamping limb on each manipulator can be same
When clamp the valve rod of each valve to be measured and rotate identical angle, hereby it is ensured that the opening angle of each valve to be measured is consistent, in inspection
When surveying each valve air-tightness to be measured, it is ensured that the experimental condition of each valve to be measured is consistent so that result of the test is more accurate.
Rubber cushion, abutment sleeve and location nut are sequentially arranged with the piston rod of the side of the transmission cylinder, fixed
The piston rod of the transmission cylinder of position nut side is provided with the screw thread being engaged with location nut.The work of control transmission cylinder
When stopper rod is acted, when cylinder body of the rubber cushion against transmission cylinder, the piston rod stopping action of transmission cylinder, that is, be driven the work of cylinder
The stroke of stopper rod is the interval being driven between the cylinder body of cylinder and rubber cushion, due to the piston of the transmission cylinder in location nut side
Bar is provided with the screw thread being engaged with location nut, thus position of the location nut on the piston rod of transmission cylinder is adjustable, i.e.,
Be driven cylinder cylinder body and rubber cushion between interval it is adjustable, thus tooth bar follow transmission cylinder piston rod movement distance can
Adjust, the structure setting can conveniently control each valve correspondence to be measured to open different angles, can meet more test condition needs,
It is more flexible.
Be provided with connecting seat in the upper cover of piston rod of the opposite side of the transmission cylinder, the tooth bar be fixed on connecting seat and
Piston rod with transmission cylinder is parallel.Tooth bar is arranged on the piston rod of transmission cylinder by connecting seat, convenient firm.
Graduated scale is provided with the piston rod of the transmission cylinder of the location nut side.Can by graduated scale
The gap between the cylinder body of rubber cushion and transmission cylinder is accurately acquired, is more convenient accurate.
Valve detent mechanism to be measured is provided with the valve clamping device, the valve detent mechanism to be measured include four with
The parallel support bar of the circulation passage of the valve to be measured, wherein two support bars are arranged on the bonnet two of the valve to be measured
Side, another two support bars are arranged on the valve body both sides of the valve to be measured.The setting of the valve detent mechanism to be measured causes to be measured
Valve is able to fixed placement, and ensures the valve rod alignment clamping limb of valve to be measured.
The piston rod of the upper and lower pneumatic cylinder is connected by adjusting rod with the manipulator support.Thus can be by the tune
Pole adjusts the upper-lower position of manipulator so that the detection needs of its valve for being suitable for different size.
Compared with conventional art, the beneficial effect that the present invention is brought has：
1st, in the present invention, action when each valve to be measured is opened using each manipulator correspondence is synchronous, hereby it is ensured that
The opening angle of each valve to be measured is consistent, when each valve air-tightness to be measured is detected, it is ensured that the experimental condition one of each valve to be measured
Cause so that result of the test is more accurate；
2nd, different valve opening and closing angles to be measured can be set, more test condition needs can be met；
3rd, valve to be measured is able to firm placement, and ensures that the valve rod of valve to be measured is directed at clamping limb, facilitates manipulator to complete
Operation；
4th, the upper-lower position of manipulator can be adjusted by the adjusting rod so that the detection of its valve for being suitable for different size
Need.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the top view of water tank in the embodiment of the present invention；
Fig. 3 is the structural representation for entering aqueous vapor cylinder and valve clamping device in the embodiment of the present invention in water tank；
Fig. 4 is the structural representation of manipulator and valve to be measured in the embodiment of the present invention；
Fig. 5 is the schematic diagram of manipulator transmission mechanism in the embodiment of the present invention；
Fig. 6 is the composition structural representation of control system in the embodiment of the present invention；
Fig. 7 is that valve to be measured is placed on structural representation on clamping device in the embodiment of the present invention；
Reference：
1st, upper and lower pneumatic cylinder；2nd, tank bracket；3rd, adjusting rod；4th, manipulator；5th, grating is sensed；6th, PLC control flows；7、
Water tank；8th, castor；9th, tank；10th, clamping device cylinder；11st, valve clamping device；12nd, valve to be measured；13rd, power initiation is pressed
Button；14th, scram button；15th, status indicator lamp group；16th, fixture mount；17th, valve detent mechanism；18th, aqueous vapor cylinder is entered；19th, it is main
Axle；20th, travelling gear；21st, manipulator cylinder；22nd, fixing bolt；23rd, the piston rod of manipulator cylinder；24th, linking arm；25、
Manipulator fixture；26th, clamping limb；27th, valve rod；28th, bonnet；29th, fixed seat；30th, locking nut；31st, connecting seat；32nd, it is driven
Cylinder；33rd, rubber cushion；34th, abutment sleeve；35th, location nut；36th, graduated scale；37th, it is driven the piston rod of cylinder；38th, it is fixed
Seat；39th, tooth bar；40th, clamping device switch；41st, upper and lower pneumatic cylinder switch；42nd, magnetic switch under aqueous vapor cylinder is entered；43rd, aqueous vapor is entered
Magnetic beginning on cylinder；44th, manual shutdown switch；45th, grating switch is sensed；46、PLC；47th, interior test leakage examination indicator lamp；48th, low pressure is surveyed
Examination indicator lamp；49th, Hi-pot test indicator lamp；50th, test indicator lamp is started；51st, aqueous vapor cylinder pneumatic operated valve is entered；52nd, manipulator cylinder
Pneumatic operated valve；53rd, clamping device cylinder pneumatic operated valve；54th, upper and lower pneumatic cylinder pneumatic operated valve；55th, relief valve；56th, high pressure admission valve；
57th, low-pressure admission valve；58th, the time relay；59th, the time relay；60th, manipulator support；61st, the work of the side of transmission cylinder
Stopper rod；62nd, the piston rod of the opposite side of transmission cylinder.
Specific embodiment
As shown in figs. 1-7, valve air tightness detection system of the invention includes water tank 7, is installed in the water tank of the top of water tank 7
Support 2, the manipulator of the piston rod end connection of the pneumatic cylinder up and down 1 and upper and lower pneumatic cylinder 1 set on tank bracket 2
Support 60, several be arranged on manipulator 4 that is on manipulator support 60 and being correspondingly arranged at the top of valve to be measured 12 respectively and
The manipulator transmission mechanism of the connection of each manipulator 4.Tank 9 is provided with water tank 7, enters aqueous vapor cylinder 18 and a plurality of closing treats side valve
The valve clamping device 11 at the circulation passage two ends of door 12, the top for entering aqueous vapor cylinder 18 is connected with fixture mount 16, plurality of valves
Door clamping device 11 is disposed side by side in fixture mount 16, the circulation of the pinching end correspondence valve 12 to be measured of valve clamping device 11
Passage two ends are set, and another opposite end of valve clamping device 11 is connected with clamping device cylinder 10, and clamping device cylinder 10 can
Promote valve clamping device 11 to close the circulation passage two ends of valve to be measured 12, entering aqueous vapor cylinder 18 can drive valve clamping device
11 turnover tanks 9, each manipulator 4 is separately positioned on the top of each valve to be measured 12.
Each manipulator 4 includes being provided with the main shaft 19 of travelling gear 20, being connected to the mechanical luck of the bottom of main shaft 19 respectively
Cylinder 21, the manipulator fixture 25, middle part being fixed on manipulator cylinder 21 are respectively hinged in manipulator fixture 25 and L-shaped
Two clamping limbs 26, two linking arms 24, the other end of linking arm 24 are respectively articulated with the end of piston rod 23 of manipulator cylinder
The one end with clamping limb 26 is hinged respectively, and the other end of clamping limb 26 is extended to outside manipulator fixture 25.Wherein, manipulator fixture
25 lower sections that manipulator cylinder 21 is fixed on by fixing bolt 22.
Manipulator transmission mechanism is provided with manipulator support 60, the manipulator transmission mechanism includes being fixed on manipulator branch
Transmission cylinder 32, tooth bar 39, fixed seat 29,38, rubber cushion 33, abutment sleeve 34, location nut 35 on frame 60, wherein, it is fixed
Seat 29,38 is installed on manipulator support 60, is driven the piston rod 37 of cylinder and is enclosed within fixed seat 29,38 and can be relatively fixed
Seat 29,38 is moved, and rubber cushion 33, abutment sleeve 34 and location nut are sequentially arranged with the piston rod 61 of the side of transmission cylinder
35, the cylinder body of the neighbouring transmission cylinder 32 of rubber cushion 33 sets and is fixed on transmission cylinder by abutment sleeve 34, location nut 35
On piston rod 37, the spiral shell being engaged with location nut 35 is provided with the piston rod 37 of the transmission cylinder of the side of location nut 35
Line, graduated scale 36 is provided with the piston rod 37 of the transmission cylinder of the side of location nut 35, is being driven the opposite side of cylinder
It is arranged with connecting seat 31 on piston rod 62, connecting seat 31 is realized affixed by locking nut 30, and tooth bar 39 is fixed on connecting seat 31
Upper and parallel with the piston rod 37 of transmission cylinder, the travelling gear 20 of each manipulator 4 is engaged with tooth bar 39 respectively.
Valve detent mechanism 17 to be measured is provided with valve clamping device 11, the valve detent mechanism 17 to be measured includes four
The support bar parallel with the circulation passage of valve to be measured 12, wherein two support bars are arranged on 28 liang of the bonnet of valve to be measured 12
Side, another two support bars are arranged on the valve body both sides of valve to be measured 12.
The piston rod of upper and lower pneumatic cylinder 1 is connected by adjusting rod 3 with manipulator support 60, adjustable by adjusting rod 3
The height of manipulator support 60, such that it is able to adapt to the detection needs of the valve to be measured 12 of different size.
Furthermore, the present invention can be tested by PLC control system with the air-leakage test being automatically performed to valve.In water tank 7
Upper setting PLC control flows 6, power initialization button 13, scram button 14 and status indicator lamp group 15, wherein, status indicator lamp group
15 include startup test indicator lamp 50, manual shutdown switch 44, Hi-pot test indicator lamp 49, low voltage experiment indicator lamp 48 and interior
Test leakage tries indicator lamp 47, and the top of water tank 7 is additionally provided with sensing grating 5.The bottom of water tank 7 is provided with castor 8, whole to be moved easily
Device.
As shown in fig. 6, the PLC control system includes PLC 46, CO ends and the -24V power supplys of PLC 46
Connection, the SS ends of PLC 46 are connected with+24V power supplys, PLC control flows 6, clamping device are connected with PLC 46 and are opened
40, upper and lower pneumatic cylinder switch 41 is closed, entered magnetic switch 42 under aqueous vapor cylinder, entered magnetic switch 43 on aqueous vapor cylinder, manual shutdown switch 44
With sensing grating switch 45, clamping device switch 40, upper and lower pneumatic cylinder switch 41, enter magnetic switch 42 under aqueous vapor cylinder, enter aqueous vapor
Magnetic switch 43, manual shutdown switch 44, sensing grating switch 45 are connected with the CO ends of PLC 46 again on cylinder, separately, PLC controls
Interior test leakage examination indicator lamp 47, low voltage experiment indicator lamp 48 are also associated with device processed 46, Hi-pot test indicator lamp 49, are started test and is referred to
Show lamp 50, enter aqueous vapor cylinder pneumatic operated valve 51, manipulator cylinder pneumatic operated valve 52, clamping device cylinder pneumatic operated valve 53, upper and lower pneumatic cylinder
Pneumatic operated valve 54, relief valve 55, high pressure admission valve 56 and low-pressure admission valve 57, interior test leakage examination indicator lamp 47, low voltage experiment indicator lamp
48th, Hi-pot test indicator lamp 49, startup tests indicator lamp 50, enters aqueous vapor cylinder pneumatic operated valve 51, manipulator cylinder pneumatic operated valve 52, clamps
Clamp cylinder pneumatic operated valve 53, upper and lower pneumatic cylinder pneumatic operated valve 54, relief valve 55, high pressure admission valve 56, low-pressure admission valve 57 again with
The SS ends connection of PLC 46, wherein, enter aqueous vapor cylinder pneumatic operated valve 51 and be connected with aqueous vapor cylinder 18 is entered, manipulator cylinder pneumatic operated valve
52 are connected with manipulator cylinder 21, and clamping device cylinder pneumatic operated valve 53 is connected with clamping device cylinder 10, upper and lower pneumatic cylinder gas
Dynamic valve 54 is connected with upper and lower pneumatic cylinder 1, and relief valve 55 is connected with valve to be measured 12, and high pressure admission valve 56 passes through the time relay
59 are connected with valve to be measured 12, and low-pressure admission valve 57 is connected by the time relay 58 with valve to be measured 12.
Side valve door being treated using the present invention and carrying out the process of air-leakage test experiment be：Valve to be measured 12 is placed on to be measured
On valve detent mechanism 17, power initialization button 13 is pressed, then, the control clamping device of PLC 46 switch 40 is closed, folder
Clamper cylinder pneumatic operated valve 53 is opened, and clamping device cylinder 10 promotes valve clamping device 11 by the circulation passage of valve to be measured 12
Two ends clamp and seal；Then, upper and lower pneumatic cylinder switch 41 is closed, and upper and lower pneumatic cylinder pneumatic operated valve 54 is opened, pneumatic up and down
Cylinder 1 is moved downward, and driving mechanical hand support 60 is moved downward, and the clamping limb 26 on manipulator 4 is aligned to valve to be measured 12
The position of valve rod 27；Then, manipulator cylinder pneumatic operated valve 52 is opened, and the piston rod 23 of control machinery hand cylinder is acted, to cause
The bare terminal end of clamping limb 26 closes up clamping valve rod 27；Then, transmission cylinder 32 is restarted, transmission cylinder 32 drives transmission cylinder
Piston rod 37 is acted, and makes rubber cushion 33 near the cylinder body of transmission cylinder 32, is stopped when encountering the cylinder body of transmission cylinder 32 to rubber cushion 33,
Because tooth bar 39 follows the piston rod 37 of transmission cylinder to move together, thus tooth bar 39 can simultaneously drive the biography on each manipulator 4
Moving gear 20 is rotated, that is, drive main shaft 19, clamping limb 26 to rotate together, i.e., each clamping limb 26 can simultaneously clamp each valve rod 27 and rotate
Certain angle；Then, upper and lower pneumatic cylinder 1 is controlled to drive each manipulator 4 to move upwards；Then magnetic switch 42 is closed under entering aqueous vapor cylinder
Close, enter aqueous vapor cylinder pneumatic operated valve 51 and draw and drive each valve clamping device 11 and valve to be measured 12 to move downward sinking into aqueous vapor cylinder 18
Enter the underwater in tank 9；Then, open low-pressure admission valve 57, treat side valve door 12 and be forced into setting low pressure, by the time after
The effect of electrical equipment 58 keeps setting time；Time controls to open high pressure admission valve 56 after terminating, and setting high pressure is forced into, by the time
Relay 59 keeps setting time；After time terminates, enter magnetic switch 43 on aqueous vapor cylinder and close, enter aqueous vapor cylinder pneumatic operated valve 51 draw into
Aqueous vapor cylinder 18 drives each valve clamping device 11 and valve to be measured 12 to move upwards, rises water outlet；Upper and lower pneumatic cylinder switch 41
Closure, upper and lower pneumatic cylinder 1 is moved downward, the contraposition of clamping limb 26 to the position of valve rod 27 of valve to be measured 12, manipulator cylinder gas
Dynamic valve 52 is closed, and clamping limb 26 rotates backward closing valve 12 to be measured, and valve to be measured 12 is in inflating pressure state；Upper and lower pneumatic gas
Cylinder switch 41 is closed, and upper and lower pneumatic cylinder 1 is moved upwards, and clamping device switch 40 is closed, the counter motion of clamping device cylinder 10
Valve to be measured 12 is unclamped, power supply disconnects, and removes valve to be measured 12.In test process, scram button 14 is whenever pressed, manually
Shutdown switch 44 is closed, and PLC control system 46 is out of service.
Sensing grating switch 45 is in normally off, and when testing staff places valve 12 to be measured, sensing grating 5 senses foreign matter
Into system, sensing grating switch 45 is opened, and the circuit of PLC control system 46 disconnects, and it is invalid that any button touches, and effectively prevent
The security incident that false touch button occurs.After placing valve to be measured 12, after pressing power initialization button 13, grating switch 45 is sensed
Closure, sensing grating 5 is in running order, if test process has leads the induction range that thing enters sensing grating 5, sensing grating is opened
Close 45 to open, PLC control system 46 is automatically powered off, to reduce accident generation.
Above-listed detailed description is directed to illustrating for one of present invention possible embodiments, and the embodiment is simultaneously not used to limitation
The scope of the claims of the invention, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case
In.
Claims (6)
1. valve air tightness detection system, the system includes water tank, tank is provided with water tank, is entered aqueous vapor cylinder and a plurality of is closed
The valve clamping device at the circulation passage two ends of valve to be measured, valve clamping device with enter aqueous vapor cylinder and be connected and can be by entering aqueous vapor cylinder
Drive turnover tank, it is characterised in that：The system also includes being installed in tank bracket above the water tank, located at the water tank
Pneumatic cylinder up and down on support, be connected to upper and lower pneumatic cylinder piston rod end manipulator support and several be arranged on
The manipulator above the valve to be measured is correspondingly arranged on manipulator support and respectively, each manipulator includes being provided with biography respectively
The main shaft of moving gear, the manipulator cylinder for being connected to main shaft bottom, the manipulator fixture being fixed on manipulator cylinder and middle part
It is respectively hinged in manipulator fixture and two L-shaped clamping limbs, two is respectively articulated with the piston rod end of manipulator cylinder
One end of individual linking arm, the other end of linking arm is hinged with one end of clamping limb, and the other end of clamping limb extends to manipulator folder
Tool is outer, and manipulator transmission mechanism is provided with manipulator support, and the manipulator transmission mechanism includes being fixed on manipulator support
Transmission cylinder and the tooth bar that is arranged on the piston rod of transmission cylinder, the travelling gear of each manipulator engages with tooth bar respectively.
2. valve air tightness detection system according to claim 1, it is characterised in that：In the side of the transmission cylinder
Rubber cushion, abutment sleeve and location nut are sequentially arranged with piston rod, in the piston of the transmission cylinder of location nut side
Bar is provided with the screw thread being engaged with location nut.
3. valve air tightness detection system according to claim 2, it is characterised in that：In the opposite side of the transmission cylinder
Upper cover of piston rod be provided with connecting seat, the tooth bar is fixed on connecting seat and parallel with the piston rod of transmission cylinder.
4. the valve air tightness detection system according to Claims 2 or 3, it is characterised in that：In the location nut side
The piston rod of the transmission cylinder be provided with graduated scale.
5. valve air tightness detection system according to claim 4, it is characterised in that：Set on the valve clamping device
Need side valve door detent mechanism, the valve detent mechanism to be measured is parallel with the circulation passage of the valve to be measured including four
Support bar, wherein two support bars are arranged on the bonnet both sides of the valve to be measured, another two support bars are arranged on described to be measured
The valve body both sides of valve.
6. valve air tightness detection system according to claim 5, it is characterised in that：The piston of the upper and lower pneumatic cylinder
Bar is connected by adjusting rod with the manipulator support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009604.7A CN104502030B (en) | 2015-01-07 | 2015-01-07 | Valve air tightness detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009604.7A CN104502030B (en) | 2015-01-07 | 2015-01-07 | Valve air tightness detection system |
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| CN104502030A CN104502030A (en) | 2015-04-08 |
| CN104502030B true CN104502030B (en) | 2017-06-16 |
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| CN201510009604.7A Active CN104502030B (en) | 2015-01-07 | 2015-01-07 | Valve air tightness detection system |
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| CN107884130B (en) * | 2017-12-05 | 2024-02-20 | 杭州中溯智能科技有限公司 | High-pressure ball valve air tightness testing device and testing and calibrating method |
| CN118321863A (en) * | 2018-01-12 | 2024-07-12 | 宁波会德丰铜业有限公司 | Automatic installation system and method thereof |
| CN109000851A (en) * | 2018-08-02 | 2018-12-14 | 天津市神驰汽车零部件有限公司 | A kind of automobile exhaust pipe tightness detector |
| CN110595696A (en) * | 2019-10-29 | 2019-12-20 | 格力电器（武汉）有限公司 | Water pipe air tightness detection device |
| CN112213035B (en) * | 2020-09-07 | 2023-09-01 | 华帝股份有限公司 | Air tightness detection system, detection method and special fixture |
| CN114323629A (en) * | 2020-09-29 | 2022-04-12 | 上海廷本流体控制有限公司 | Stop valve pressure test frock |
| CN112146826B (en) * | 2020-11-25 | 2021-04-23 | 南京仪汇仪器设备有限公司 | Ball valve leakproofness detection device |
| CN113125142B (en) * | 2021-05-20 | 2024-05-03 | 中国铁道科学研究院集团有限公司 | Pneumatic test system of test equipment |
| CN113884255A (en) * | 2021-09-29 | 2022-01-04 | 宁波市众顺盛精密制造有限公司 | Valve packing installation and detecting system |
| CN114770392A (en) * | 2022-03-31 | 2022-07-22 | 公元股份有限公司 | Positioning fixture of valve seal detection equipment |
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| CN203705127U (en) * | 2013-12-20 | 2014-07-09 | 大连津利流体设备开发有限公司 | One-sided pneumatic sealing test machine with multiple work stations and capable of achieving rapid transposition |
| CN204346648U (en) * | 2015-01-07 | 2015-05-20 | 佛山市日丰企业有限公司 | Valve air tightness detection system |
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| CN104502030A (en) | 2015-04-08 |
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