CN207540742U - A kind of high-pressure ball valve test device for air tightness - Google Patents
A kind of high-pressure ball valve test device for air tightness Download PDFInfo
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- CN207540742U CN207540742U CN201721670405.1U CN201721670405U CN207540742U CN 207540742 U CN207540742 U CN 207540742U CN 201721670405 U CN201721670405 U CN 201721670405U CN 207540742 U CN207540742 U CN 207540742U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
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- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
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Abstract
The utility model discloses a kind of high-pressure ball valve test device for air tightness.Including work top and test fixture, test fixture is fixed on the upper face center position of work top, and test fixture is used for the test to being tested ball valve；The test fixture includes workbench installing plate, tool base plate, clamping cylinder fixed plate, clamping cylinder, outlet fixture block, air inlet fixture block, fixture block sliding rail, air inlet fixture block spring, rotation bolt, safety stop lever, valve opening air cylinder fixed plate, valve opening cylinder, valve opening motor fixed rack, valve opening motor and ball valve valve handle rotary tooling.The utility model overcomes the problem of measuring accuracy that existing manual air tightness test is encountered is low, complicated for operation, testing efficiency is low, safety lacks guarantee, it realizes and the air-tightness of ball valve is tested and adjusted automatically, measuring accuracy is high, convenient for mounting and clamping, test safety.
Description
Technical field
The utility model is related to test device for air tightness, more particularly, to a kind of high-pressure ball valve test device for air tightness.
Background technology
High-pressure ball valve is the common important component of special trade, and high-pressure ball valve has the action being rotated by 90 °, and faucet body is
Sphere has circular through hole or channel to pass through its axis.Ball valve is mainly used to make the stream for cutting off, distributing and changing medium in pipeline
Dynamic direction, it only needs just be closed with the operation being rotated by 90 ° and the rotating torque of very little tight.The gas of high-pressure ball valve at present
Close property means of testing is generally manual test, test hose is passed through, the number of bubbles of leakage is observed in water to judge tested ball valve
Quality.Manual test precision is low, complicated for operation, testing efficiency is low, safety is without guarantee, and the end value of final test is caused to be not allowed
Really, consistency is poor, and is passed through in Hi-pot test gas, accurate fast if operation is lack of standardization to be easy to cause injury to personnel
The test of speed and safe and convenient becomes the technical bottleneck of high-pressure ball valve manufacturing enterprise.Therefore exploitation design convenient test, test knot
Fruit is accurate, testing efficiency is high, the high-pressure ball valve test device for air tightness of safe operation, is the need for meeting high-pressure ball valve manufacturing enterprise
Seek, improve the effective way of high-pressure ball valve quality.
Utility model content
In order to overcome various shortcomings during manual test, whole work efficiency, accuracy and safety are improved, this practicality is new
Type provides a kind of high-pressure ball valve test device for air tightness.
The technical solution adopted in the utility model is：
Test device includes work top and test fixture, and test fixture is fixed on the upper face center of work top
Position, test fixture are used for the test to being tested ball valve；
The test fixture includes workbench installing plate, tool base plate, clamping cylinder fixed plate, clamping cylinder, outlet
Fixture block, air inlet fixture block, fixture block sliding rail, air inlet fixture block spring, rotation bolt, safety stop lever, valve opening air cylinder fixed plate, valve opening gas
Cylinder, valve opening motor fixed rack, valve opening motor and ball valve valve handle rotary tooling；Test fixture is fixed on by workbench installing plate
On work top, sink being installed immediately below work top, bottom of gullet connects the output rod of twin shaft cylinder through sink support plate,
Through the band dynamic water tank oscilaltion of twin shaft cylinder moving；Tool base plate is fixed on the upper surface of workbench installing plate, clamps gas
Cylinder fixed plate right angle setting is fixed on the side of tool base plate, and clamping cylinder, which is horizontally mounted, is fixed on clamping cylinder fixed plate side
Face, the piston rod of clamping cylinder are fixedly connected with outlet fixture block, and tool base plate is equipped with fixture block sliding rail, outlet fixture block bottom on middle part
Portion is inlaid on fixture block sliding rail and is moved along fixture block sliding rail, and air inlet fixture block is fixed on tool base plate opposite side, outlet folder
Block is installed with water test fixture and air outlet adapter on the end face of air inlet fixture block side, and air inlet fixture block is close to outlet fixture block
Air inlet fixture block spring and inlet suction port are installed on the end face of side, tested ball valve both ends support is connected to water test fixture
Between air inlet fixture block spring, outlet fixture block side is hinged by rotating one end of bolt and safety stop lever, and safety stop lever is another
End is equipped with convex block, and convex block is connected on the outside of air inlet fixture block,；Right angle setting valve opening gas on the workbench installing plate of tool base plate side
Cylinder fixed plate, valve opening air cylinder fixed plate top installation valve opening cylinder, the piston rod of valve opening cylinder is with being located at below valve opening cylinder
Valve opening motor fixed rack connects, and valve opening cylinder sliding rail is vertically installed in valve opening air cylinder fixed plate, valve opening motor fixed rack
It is inlaid on valve opening cylinder sliding rail, and can be moved up and down along valve opening cylinder sliding rail, valve opening motor fixed rack is equipped with valve opening electricity
Machine, the output shaft and ball valve valve handle rotary tooling of valve opening motor are coaxially connected, and ball valve valve handle rotary tooling is connected to tested ball valve
Valve handle on.
Reinforcement riser is further included, strengthens riser and is connected between valve opening air cylinder fixed plate and workbench installing plate, is strengthened vertical
Plate side right-angle side connect fixation with valve opening air cylinder fixed plate side, strengthens on riser opposite side right-angle side and workbench installing plate
Surface connection is fixed.
Further include touch screen, pressure gauge, qualified indicator light, unqualified finger on test fixture operation display panel
Show lamp, start key and rapid stop key, touch screen is mounted on the operation display panel right over test fixture, qualified indicator light and not
Qualified indicator light is centrally mounted at the underface of touch screen side by side, and pressure gauge is mounted on the left side of qualified indicator light, start key and
Rapid stop key is centrally mounted at outside centre position immediately below work top side by side.
The beneficial effects of the utility model are：
1st, the utility model uses vertical operation platform structure, and operation is safeguarded and improved easily, is realized using PLC controller
The Automatic Control of test process realizes pressure locking, and built-in pressure zero calibration system.
2nd, instead of current manual switching ball valve state, in addition to dismounting tested valve, entire test process is without human intervention, whole
A test process automation degree is high.
3rd, safety device is increased, for safety stop lever in the case of operation error, meeting auto lock test fixture ensures quilt
Survey ball valve will not pop up test fixture and hurt sb.'s feelings, and can also prevent Hi-pot test gas from spraying, and ensure test process safety.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the tilted-angle side views of Fig. 1.
Fig. 3 is the test fixture front view of the utility model.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is the tilted-angle side views of Fig. 3.
Fig. 7 is the left side view of frock clamp part.
Fig. 8 is the right side view of Fig. 7.
Fig. 9 is water test fixture tilted-angle side views.
Figure 10 is the structure diagram of ball valve valve handle rotary tooling.
Figure 11 is that the utility model implements test flow chart.
Figure 12 is that the utility model implements calibration flow chart.
In figure：1. touch screen, 2. pressure gauges, 3. qualified indicator lights, 4. unqualified indicator lights, 5. work tops 5,6. start
Key, 7. rapid stop keys, 8. test fixtures, 9. sinks, 10. sink support plates, 11. twin shaft cylinders, 12. tool base plates, 13. clamp gas
Cylinder fixed plate, 14. clamping cylinders, 15. outlet fixture blocks, 16. air inlet fixture blocks, 17. fixture block sliding rails, 18. air inlet fixture block springs, 19.
Water test fixture, 20. tested ball valves, 21. rotation bolts, 22. safety stop levers, 23. valve opening air cylinder fixed plates, 24. valve opening cylinders,
25. valve opening motor fixed rack, 26. valve opening motors, 27. ball valve valve handle rotary toolings, 28. tooling platform installing plates, 29. strengthen standing
Plate, 30. valve opening cylinder sliding rails, 31. inlet suction ports, 32. air outlet adapters.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
As depicted in figs. 1 and 2, device includes work top 5 and test fixture 8, test in the utility model specific implementation
Tooling 8 is fixed on the upper face center position of work top 5, and test fixture 8 is used for the test to being tested ball valve 20；
As illustrated in figures 3-6, test fixture 8 include workbench installing plate 28, tool base plate 12, clamping cylinder fixed plate 13,
Clamping cylinder 14, outlet fixture block 15, air inlet fixture block 16, fixture block sliding rail 17, air inlet fixture block spring 18, rotation bolt 21, safety catch
Bar 22, valve opening air cylinder fixed plate 23, valve opening cylinder 24, valve opening motor fixed rack 25, valve opening motor 26 and the rotation of ball valve valve handle
Tooling 27；Test fixture 8 is fixed on by workbench installing plate 28 on work top 5, and sink is equipped with immediately below work top 5
9,9 bottom of sink connects the output rod of twin shaft cylinder 11 through sink support plate 10, and twin shaft cylinder 11 is fixedly installed in test device
Bottom moves band 9 oscilaltion of dynamic water tank through twin shaft cylinder 11.
As illustrated in figures 3-6, tool base plate 12 is fixed on the upper surface of workbench installing plate 28, and clamping cylinder is fixed
13 right angle setting of plate is fixed on the side of tool base plate 12, and clamping cylinder 14, which is horizontally mounted, is fixed on clamping cylinder fixed plate 13
Side, the piston rod of clamping cylinder 14 are fixedly connected with outlet fixture block 15.As shown in Fig. 7~8, tool base plate is installed on 12 middle part
There is fixture block sliding rail 17,15 bottom of outlet fixture block is inlaid on fixture block sliding rail 17 and is moved along fixture block sliding rail 17, and air inlet fixture block 16 is pacified
Dress is fixed on 12 opposite side of tool base plate, and outlet fixture block 15 is installed with water survey on the end face of 16 side of air inlet fixture block
Trial work fills 9 and air outlet adapter 32, and water test fixture 9 is sleeved on outside air outlet adapter 32, and air inlet fixture block 16 is close to 15 side of outlet fixture block
End face on be installed with air inlet fixture block spring 18 and inlet suction port 31, air inlet fixture block spring 18 is sleeved on outside inlet suction port 31,
Tested 20 both ends of ball valve support is connected between water test fixture 9 and air inlet fixture block spring 18 so that tested ball valve 20 is mounted on
Between outlet fixture block 15 and air inlet fixture block 16,15 side of outlet fixture block is cut with scissors by rotating one end of bolt 21 and safety stop lever 22
It connects, 22 other end of safety stop lever is equipped with convex block, and convex block is connected to 16 outside of air inlet fixture block, and convex block is used to limit 16 He of air inlet fixture block
The convex block of distance between outlet fixture block 15；Right angle setting valve opening cylinder is fixed on the workbench installing plate 28 of 12 side of tool base plate
Plate 23 is strengthened riser 29 and is connected between valve opening air cylinder fixed plate 23 and workbench installing plate 28, strengthens 29 side right angle of riser
Side connect fixation with 23 side of valve opening air cylinder fixed plate, strengthens 29 opposite side right-angle side of riser and 28 upper surface of workbench installing plate
Connection is fixed.
Water test fixture 9 is as shown in figure 9, main body is tube-in-tube structure, and sets four to be circumferentially spaced in sleeve one end
Cloth and the ear axially extended, ear are connected to the port of export of tested ball valve.
As illustrated in figures 3-6, the top of valve opening air cylinder fixed plate 23 installation valve opening cylinder 24, the piston rod of valve opening cylinder 24 with
Valve opening motor fixed rack 25 positioned at 24 lower section of valve opening cylinder connects, and valve opening cylinder sliding rail 30 is vertically installed at valve opening cylinder and consolidates
On fixed board 23, valve opening motor fixed rack 25 is inlaid on valve opening cylinder sliding rail 30, and can be moved down along valve opening cylinder sliding rail 30
Dynamic, valve opening motor fixed rack 25 is equipped with valve opening motor 26, output shaft and the ball valve valve handle rotary tooling 27 of valve opening motor 26
Coaxially connected, ball valve valve handle rotary tooling 27 is connected on the valve handle of tested ball valve 20, and ball valve valve handle rotary tooling 27 is specifically tied
Structure is as shown in Figure 10.
As shown in Fig. 1~2, touch screen 1, pressure gauge 2, qualified indicator light are installed on test fixture operation display panel
3rd, unqualified indicator light 4, start key 6 and rapid stop key 7, touch screen 1 are mounted on the operation display panel right over test fixture 8
On, qualified indicator light 3 and unqualified indicator light 4 are centrally mounted at the underface of touch screen 1 side by side, and pressure gauge 2 is mounted on qualification
The left side of indicator light 3, start key 6 and rapid stop key 7 are centrally mounted at outside centre position immediately below work top 5 side by side.
As shown in figure 11, it is as follows for high-pressure ball valve progress air tightness test process using the utility model device：
Tested ball valve 20 is mounted between outlet fixture block 15 and air inlet fixture block 16, to rotate bolt 21 for axis by step 1
Heart spin safe bar 22 makes safety stop lever 22 be buckled in 16 outside of air inlet fixture block；
Step 2, the piston rod of control clamping cylinder 14 push outlet fixture block 15 so that outlet fixture block 15 is in fixture block sliding rail
It moves toward 16 direction of air inlet fixture block on 17 and is clamped until clamped position is tested ball valve 20 in the horizontal direction；
Step 3, the piston rod of valve opening cylinder 24, which pushes, pushes valve opening motor fixed rack 25 so that valve opening motor is fixed
Stent 25 is moved downward along valve opening cylinder sliding rail 30, while valve opening motor 26 is driven to move downward and then ball valve valve handle is driven to revolve
Rotating tooling 27 is depressed into the valve handle of tested ball valve 20, and ball valve valve handle rotary tooling 27 drives quilt in the case where the rotation of valve opening motor 26 drives
It surveys 20 valve handle of ball valve and turns over an angle of 90 degrees degree to valve position；
Step 4, test gas are passed through air inlet fixture block 16, and test gas enters tested ball by the air inlet on air inlet fixture block 16
Valve 20, disconnects test gas after voltage stabilizing delay, test the internal leakage value of tested ball valve 20 at this time；
Step 5, after the completion of internal leakage test, ball valve valve handle rotary tooling 27 drives in the case where the rotation of valve opening motor 26 drives
20 valve handle of tested ball valve inverts an angle of 90 degrees degree to valve opening position, opens air inlet, test gas is disconnected after voltage stabilizing delay, tests quilt at this time
Survey the external leakage value of ball valve 20；
Step 6, external leakage test complete heel row and go out to disconnect test gas, reset clamping cylinder 14 and valve opening cylinder 24, lift
Safety stop lever 22 removes tested ball valve 20, and test terminates.
As shown in figure 12, it is as follows for high-pressure ball valve progress air-tightness calibration process using the utility model device：
Tested ball valve 20 is mounted between outlet fixture block 15 and air inlet fixture block 16, to rotate bolt 21 for axis by step 1
Heart spin safe bar 22 makes safety stop lever 22 be buckled in 16 outside of air inlet fixture block；
Step 2, the piston rod of control clamping cylinder 14 push outlet fixture block 15 so that outlet fixture block 15 is in fixture block sliding rail
It moves toward 16 direction of air inlet fixture block on 17 and is clamped until clamped position is tested ball valve 20 in the horizontal direction so that tested ball valve 20
It is clamped between inlet suction port 31 and water test fixture 19；
Step 3, the piston rod of valve opening cylinder 24, which pushes, pushes valve opening motor fixed rack 25 so that valve opening motor is fixed
Stent 25 is moved downward along valve opening cylinder sliding rail 30, while valve opening motor 26 is driven to move downward and then ball valve valve handle is driven to revolve
Rotating tooling 27 is depressed into the valve handle of tested ball valve 20, and ball valve valve handle rotary tooling 27 drives quilt in the case where the rotation of valve opening motor 26 drives
It surveys 20 valve handle of ball valve and turns over an angle of 90 degrees degree to valve position；
Step 4 pushes sink support plate 10 to rise together together with sink 9, water is filled in sink 9 by twin shaft cylinder 11,
The excessively not tested ball valve 20 of water level after sink 9 rises；
Step 5, test gas are passed through air inlet fixture block 16, and test gas enters tested ball by the air inlet on air inlet fixture block 16
Valve 20, disconnects test gas after voltage stabilizing delay, test the internal leakage value of tested ball valve 20 at this time；And the bubble leaked in water is observed,
It is calculated according to number of bubbles and obtains actual leakage value, detailed process is：In one minutes, the number of bubbles leaked in water is recorded
Amount, by calculating the volume of single isolated bubbles, multiplied by with number of bubbles, result of calculation is actual leakage value；
Twin shaft cylinder 11 is pushed sink support plate 10 to decline reset together with sink 9 by step 6, and calibration test terminates, and is led to
It crosses actual leakage value and internal leakage value is relatively calibrated.
If actual leakage value and internal leakage value are identical, illustrate air-tightness without calibration.
If whether actual leakage value and internal leakage value are identical, judge whether frock clamp is problematic, if frock clamp
All there is no problem then corrects sensor coefficient, makes internal leakage value consistent with actual leakage value.
Claims (3)
1. a kind of high-pressure ball valve test device for air tightness, it is characterised in that：The test device includes work top (5) and surveys
Trial work fills (8), and test fixture (8) is fixed on the upper face center position of work top (5), test fixture (8) for pair
The test of tested ball valve (20)；
The test fixture (8) includes workbench installing plate (28), tool base plate (12), clamping cylinder fixed plate (13), folder
Tight cylinder (14), outlet fixture block (15), air inlet fixture block (16), fixture block sliding rail (17), air inlet fixture block spring (18), rotation bolt
(21), safety stop lever (22), valve opening air cylinder fixed plate (23), valve opening cylinder (24), valve opening motor fixed rack (25), valve opening electricity
Machine (26) and ball valve valve handle rotary tooling (27)；Test fixture (8) is fixed on work top (5) by workbench installing plate (28)
On, sink (9) is installed, sink (9) bottom is through sink support plate (10) connection twin shaft cylinder (11) immediately below work top (5)
Output rod, through twin shaft cylinder (11) move band dynamic water tank (9) oscilaltion；Tool base plate (12) is fixed on workbench peace
The upper surface of loading board (28), clamping cylinder fixed plate (13) right angle setting are fixed on the side of tool base plate (12), clamp gas
Cylinder (14), which is horizontally mounted, is fixed on clamping cylinder fixed plate (13) side, piston rod and the outlet fixture block (15) of clamping cylinder (14)
It is fixedly connected, tool base plate (12) is equipped with fixture block sliding rail (17) on middle part, and outlet fixture block (15) bottom is inlaid in fixture block sliding rail
(17) on and mobile along fixture block sliding rail (17), air inlet fixture block (16) is fixed on tool base plate (12) opposite side, outlet folder
Block (15) is installed with water test fixture (19) and air outlet adapter (32), air inlet on the end face of air inlet fixture block (16) side
Fixture block (16) is installed with air inlet fixture block spring (18) and inlet suction port (31) on the end face of outlet fixture block (15) side,
Tested ball valve (20) both ends support is connected between water test fixture (19) and air inlet fixture block spring (18), outlet fixture block (15) one
Side is hinged by rotating one end of bolt (21) and safety stop lever (22), and safety stop lever (22) other end is equipped with convex block, and convex block connects
It is connected on the outside of air inlet fixture block (16)；Right angle setting valve opening cylinder is fixed on the workbench installing plate (28) of tool base plate (12) side
Plate (23), valve opening air cylinder fixed plate (23) top installation valve opening cylinder (24), the piston rod of valve opening cylinder (24) is with being located at valve opening
Valve opening motor fixed rack (25) connection below cylinder (24), valve opening cylinder sliding rail (30) are vertically installed at valve opening cylinder and fix
On plate (23), valve opening motor fixed rack (25) is inlaid on valve opening cylinder sliding rail (30), and can be along valve opening cylinder sliding rail (30)
It moves up and down, valve opening motor fixed rack (25) is equipped with valve opening motor (26), the output shaft and ball valve of valve opening motor (26)
Handle rotary tooling (27) is coaxially connected, and ball valve valve handle rotary tooling (27) is connected on the valve handle of tested ball valve (20).
2. a kind of high-pressure ball valve test device for air tightness according to claim 1, it is characterised in that：Further include reinforcement riser
(29), strengthen riser (29) to be connected between valve opening air cylinder fixed plate (23) and workbench installing plate (28), strengthen riser (29)
Side right-angle side connect fixation with valve opening air cylinder fixed plate (23) side, strengthens riser (29) opposite side right-angle side and pacifies with workbench
The connection of loading board (28) upper surface is fixed.
3. a kind of high-pressure ball valve test device for air tightness according to claim 1, it is characterised in that：It further includes mounted on survey
Touch screen (1), pressure gauge (2) on trial work dress operation display panel, qualified indicator light (3), unqualified indicator light (4), startup
Key (6) and rapid stop key (7), touch screen (1) is on the operation display panel right over test fixture (8), qualified indicator light
(3) and unqualified indicator light (4) is centrally mounted at the underface of touch screen (1) side by side, and pressure gauge (2) is mounted on qualified indicator light
(3) left side, start key (6) and rapid stop key (7) are centrally mounted at outside centre position immediately below work top (5) side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721670405.1U CN207540742U (en) | 2017-12-05 | 2017-12-05 | A kind of high-pressure ball valve test device for air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721670405.1U CN207540742U (en) | 2017-12-05 | 2017-12-05 | A kind of high-pressure ball valve test device for air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540742U true CN207540742U (en) | 2018-06-26 |
Family
ID=62617062
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721670405.1U Withdrawn - After Issue CN207540742U (en) | 2017-12-05 | 2017-12-05 | A kind of high-pressure ball valve test device for air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207540742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884130A (en) * | 2017-12-05 | 2018-04-06 | 杭州中溯智能科技有限公司 | High-pressure ball valve test device for air tightness and test and calibration method |
| CN108844683A (en) * | 2018-08-27 | 2018-11-20 | 江苏诚功阀门科技有限公司 | A kind of high-precision intelligent torque ball valve experimental rig |
| CN110307942A (en) * | 2019-06-20 | 2019-10-08 | 苏州市长峰激光技术有限公司 | A kind of quick-changing type sealing detection tooling, detection system and detection method |
-
2017
- 2017-12-05 CN CN201721670405.1U patent/CN207540742U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884130A (en) * | 2017-12-05 | 2018-04-06 | 杭州中溯智能科技有限公司 | High-pressure ball valve test device for air tightness and test and calibration method |
| 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 |
| CN108844683A (en) * | 2018-08-27 | 2018-11-20 | 江苏诚功阀门科技有限公司 | A kind of high-precision intelligent torque ball valve experimental rig |
| CN108844683B (en) * | 2018-08-27 | 2024-01-26 | 江苏诚功阀门科技有限公司 | High-precision intelligent torque ball valve test device |
| CN110307942A (en) * | 2019-06-20 | 2019-10-08 | 苏州市长峰激光技术有限公司 | A kind of quick-changing type sealing detection tooling, detection system and detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |