CN201628614U - Laboratory sea valve detecting device - Google Patents
Laboratory sea valve detecting device Download PDFInfo
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- CN201628614U CN201628614U CN 201020140717 CN201020140717U CN201628614U CN 201628614 U CN201628614 U CN 201628614U CN 201020140717 CN201020140717 CN 201020140717 CN 201020140717 U CN201020140717 U CN 201020140717U CN 201628614 U CN201628614 U CN 201628614U
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Abstract
A laboratory sea valve detecting device is connected with a sea valve and comprises an air source, an air source switch, an air source triplet, a three-position four-way manual valve, a water tank, a pressure relief valve, a two-way manual valve, an air inlet pipeline, an air outlet pipeline, a bottom valve pressure testing fixture and a pressure testing cover, wherein an elbow end flange plate of the sea valve is connected with the bottom valve pressure testing fixture through bolts and seal gaskets, a first pressure inlet is connected to the center of the bottom valve pressure testing fixture, a cylinder end flange plate of the sea valve is connected with the pressure testing cover through bolts and seal gaskets, and a second pressure inlet is connected onto the pressure testing cover. The laboratory sea valve detecting device can detect sealing performance of a sea valve cylinder, and structural seal performance and reverse performance of the seal valve, has the advantages of simple structure, convenient operation, convenient observation, reasonable layout and convenient maintenance, and the pressure relief value in an air circuit can automatically adjust pressure, thereby preventing over high opening pressure of the sea valve and reducing impact to the sea valve.
Description
Technical field
The utility model relates to a kind of device that detects the sealing of sea cock and valve and sea cock and valve cylinder.
Background technology
Sea cock and valve is widely used in the tank body below of various oils, lightweight non-aggressive medium, realizes the bottom loading, unloading functional oil of fuel truck, oil truck.This valve is made up of valve body, spool, spring, piston, cylinder opener and seal etc., mainly realizes sealing by spring force and cylinder.When medium in the jar need be released, pressure gas source promoted piston and reaches the compression spring effect, and spool is pushed open from seal, and opening of valves, a jar inner fluid can be transported in other devices.It is the parts of fortune, fuel truck most critical, directly influences fuel truck, oil truck product quality, so it is extremely important to do the capability and performance of frock detection sea cock and valve.
Existing pick-up unit complex structure, layout be unreasonable, easy care not, the conventional detection complex operation, is not easy to the observation experiment result, and in addition, opening pressure was too high when existing pick-up unit used, and can damage sea cock and valve.
The utility model content
The purpose of this utility model provides a kind of subsea valve in laboratory pick-up unit, solve unreasonable, the technical matters of easy care not of existing pick-up unit complex structure layout; And solve the conventional detection complex operation, be not easy to observation experiment result's problem; Also to solve the existing too high problem of pick-up unit opening pressure.
For achieving the above object, the utility model adopts following technical scheme: a kind of subsea valve in laboratory pick-up unit, be connected with sea cock and valve, it is characterized in that: comprise source of the gas, gas source switch, gas source triplet, 3-position 4-way hand valve, tank, reduction valve, two logical hand valves, air inlet pipeline, outlet pipe, bottom valve structure for pressure test and pressure testing cover.
The elbow end flanges dish of described sea cock and valve is connected with the bottom valve structure for pressure test with sealing gasket by bolt, and the bottom valve structure for pressure test is with the elbow end sealing of sea cock and valve, and the center of bottom valve structure for pressure test is connected with the first entrance pressure mouth.
The cylinder end ring flange of described sea cock and valve is connected with the pressure testing cover with sealing gasket by bolt, and the pressure testing cover covers the cylinder seal of sea cock and valve, is connected with the second entrance pressure mouth on the pressure testing cover.
The described first entrance pressure mouth is communicated with first interface of 3-position 4-way hand valve, the described second entrance pressure mouth is communicated with second interface of 3-position 4-way hand valve, described source of the gas is communicated with by the 3rd interface of air inlet pipeline and 3-position 4-way hand valve and interfaces of two logical hand valves, described gas source switch and gas source triplet are arranged on the air inlet pipeline between the 3rd interface of source of the gas and 3-position 4-way hand valve, and described reduction valve is arranged on the air inlet pipelines between gas source triplet and the two logical hand valves.
Described bottom valve structure for pressure test comprises pressure testing flange, back up pad, web joint, rubber slab, fixed head, bolt and structure for pressure test joint, the described first entrance pressure mouth open on the pressure testing flange and the structure for pressure test joint sealing be connected on the first entrance pressure mouth, the pressure testing flange is fixedly connected on the back up pad, the back up pad support and connection are on web joint, and web joint is connected on the fixed head by rubber slab and bolt.
Described pressure testing cover comprises cover body, ring flange, blind lid and pressure testing shield joint, the described second entrance pressure mouth open on the sidewall of cover body and the pressure testing shield joint be sealedly connected on the second entrance pressure mouth, described ring flange is connected the lower end of cover body, and described blind lid is connected the upper end of cover body.
Be fixedly connected with plinth on the described second entrance pressure mouth, the pressure testing shield joint is tightly connected on the plinth.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model only needs a set of equipment, just can detect the sealing of sea cock and valve cylinder, the sealing and the reverse sealing of sea cock and valve structure, have simple in structure, easy to operate, be convenient to observe, rationally distributed, the advantage being convenient to safeguard, reduction valve in the gas circuit can automatic pressure regulation, prevent that the sea cock and valve opening pressure is too high, reduce impact sea cock and valve.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a structural principle synoptic diagram of the present utility model.
Fig. 2 is the synoptic diagram that the utility model detects the sea cock and valve cylinder pressurization ratio.
Fig. 3 is the synoptic diagram that the utility model detects the reverse sealing of sea cock and valve structure.
Fig. 4 is the synoptic diagram that the utility model detects the sealing of sea cock and valve structure.
Fig. 5 synoptic diagram that to be sea cock and valve be connected with the pressure testing cover with the bottom valve structure for pressure test.
Fig. 6 is the synoptic diagram of bottom valve structure for pressure test.
Fig. 7 is that synoptic diagram is looked on the right side of Fig. 6.
Reference numeral: 1-source of the gas, the 2-gas source switch, the 3-gas source triplet, 4-3-position 4-way hand valve, the 5-sea cock and valve, the 6-tank, the 7-reduction valve, 8-two logical hand valves, 9-sea cock and valve cylinder, the 10-air inlet pipeline, the 11-outlet pipe, 12-bottom valve structure for pressure test, 13-structure for pressure test joint, 14-pressure testing flange, the 15-back up pad, the 16-web joint, the 17-rubber slab, the 18-fixed head, the 19-bolt, 20-pressure testing cover, the 21-cover body, the 22-plinth, the 23-ring flange, the blind lid of 24-, 25-pressure testing shield joint.
Embodiment
Embodiment is referring to shown in Figure 1, this subsea valve in laboratory pick-up unit, be connected with sea cock and valve 5, comprise source of the gas 1, gas source switch 2, gas source triplet 3,3-position 4-way hand valve 4, tank 6, reduction valve 7, two logical hand valves 8, air inlet pipeline 10, outlet pipe 11, bottom valve structure for pressure test 12 and pressure testing cover 20; The elbow end flanges dish of described sea cock and valve 5 is connected with bottom valve structure for pressure test 12 with sealing gasket by bolt, and bottom valve structure for pressure test 12 is with the elbow end sealing of sea cock and valve 5, and the center of bottom valve structure for pressure test 12 is connected with the first entrance pressure mouth I; The cylinder end ring flange of described sea cock and valve 5 is connected with pressure testing cover 20 with sealing gasket by bolt, and pressure testing cover 20 covers the cylinder seal of sea cock and valve, is connected with the second entrance pressure mouth II on the pressure testing cover 20.
The described first entrance pressure mouth I is communicated with first interface of 3-position 4-way hand valve 4, the described second entrance pressure mouth II is communicated with second interface of 3-position 4-way hand valve 4, described source of the gas 1 is communicated with by the 3rd interface and two interfaces that lead to hand valves 8 of air inlet pipeline 10 and 3-position 4-way hand valve 4, described gas source switch 2 and gas source triplet 3 are arranged on the air inlet pipeline 10 between the 3rd interface of source of the gas and 3-position 4-way hand valve, and described reduction valve 7 is arranged on the air inlet pipelines 10 between gas source triplet and the two logical hand valves.
Referring to Fig. 6, Fig. 7, described bottom valve structure for pressure test 12 comprises pressure testing flange 14, back up pad 15, web joint 16, rubber slab 17, fixed head 18, bolt 19 and structure for pressure test joint 13, the described first entrance pressure mouth I open on the pressure testing flange 14 and structure for pressure test joint 13 be sealedly connected on the first entrance pressure mouth I, pressure testing flange 14 is fixedly connected on the back up pad 15, back up pad 15 support and connection are on web joint 16, and web joint is connected on the fixed head 18 by rubber slab 17 and bolt 19.
Referring to Fig. 5, described pressure testing cover 20 comprises cover body 21, ring flange 23, blind lid 24 and pressure testing shield joint 25, the described second entrance pressure mouth II open on the sidewall of cover body 21 and pressure testing shield joint 25 be sealedly connected on the second entrance pressure mouth II, described ring flange 23 is connected the lower end of cover body 21, and described blind lid 24 is connected the upper end of cover body 21.Be fixedly connected with plinth 22 on the described second entrance pressure mouth II, pressure testing shield joint 25 is tightly connected on the plinth 22.
Referring to Fig. 2, this application subsea valve in laboratory pick-up unit detects the method for sea cock and valve cylinder sealing, its step is as follows: step 1, bottom valve structure for pressure test 12 is connected with the ring flange of sealing gasket with the sea cock and valve elbow through bolt, the first entrance pressure mouth I on the bottom valve structure for pressure test 12 is communicated with first interface of 3-position 4-way hand valve 4, pressure testing cover 20 is covered the cylinder body of sea cock and valve and be connected through bolt and sealing gasket ring flange with the sea cock and valve middle part, the second entrance pressure mouth II on the pressure testing cover 20 is communicated with second interface of 3-position 4-way hand valve 4, source of the gas 1 the 3rd interface and two interfaces that lead to hand valves 8 by air inlet pipeline 10 and 3-position 4-way hand valve 4 are communicated with, another interface of two logical hand valves 8 is communicated with the air to open inlet III of sea cock and valve cylinder 9, the air to open of sea cock and valve cylinder 9 outlet IV is communicated with an end of outlet pipe 11, the other end of outlet pipe 11 is placed on below the liquid level of tank 6.
The pressure of step 3, adjustment reduction valve 7 is observed gas source triplet 3, when the pressure of gas source triplet 3 upward pressure tables is shown as 0～0.4Mpa, observes tank, sees if there is bubble and overflows, and there do not have bubble to represent to be qualified.
After described step 4 finishes, disconnect two logical hand valves 8 and enter the mouth being connected of III, disconnect outlet pipe 11 and export being connected of IV, two logical hand valves 8 are communicated with air to open outlet IV with air to open with air to open, outlet pipe 11 is communicated with air to open inlet III, then repeating step three and step 4.
Referring to Fig. 3, this application subsea valve in laboratory pick-up unit detects the method for the reverse sealing of sea cock and valve structure, its step is as follows: step 1, bottom valve structure for pressure test 12 is connected with the ring flange of sealing gasket with the sea cock and valve elbow through bolt, the first entrance pressure mouth I on the bottom valve structure for pressure test 12 is communicated with first interface of 3-position 4-way hand valve 4, pressure testing cover 20 is covered the cylinder body of sea cock and valve and be connected through bolt and sealing gasket ring flange with the sea cock and valve middle part, the second entrance pressure mouth II on the pressure testing cover 20 is communicated with second interface of 3-position 4-way hand valve 4, source of the gas 1 the 3rd interface and two interfaces that lead to hand valves 8 by air inlet pipeline 10 and 3-position 4-way hand valve 4 are communicated with, the 4th interface of 3-position 4-way hand valve 4 is communicated with an end of outlet pipe 11, the other end of outlet pipe 11 is placed on below the liquid level of tank 6.
Referring to Fig. 4, this application subsea valve in laboratory pick-up unit detects the method for the sealing of sea cock and valve structure, it is characterized in that step is as follows: step 1, bottom valve structure for pressure test 12 is connected with the ring flange of sealing gasket with the sea cock and valve elbow through bolt, the first entrance pressure mouth I on the bottom valve structure for pressure test 12 is communicated with first interface of 3-position 4-way hand valve 4, pressure testing cover 20 is covered the cylinder body of sea cock and valve and be connected through bolt and sealing gasket ring flange with the sea cock and valve middle part, the second entrance pressure mouth II on the pressure testing cover 20 is communicated with second interface of 3-position 4-way hand valve 4, source of the gas 1 the 3rd interface and two interfaces that lead to hand valves 8 by air inlet pipeline 10 and 3-position 4-way hand valve 4 are communicated with, the 4th interface of 3-position 4-way hand valve 4 is communicated with an end of outlet pipe 11, the other end of outlet pipe 11 is placed on below the liquid level of tank 6, another interface and the air to open of sea cock and valve cylinder 9 of the two logical hand valves III that enters the mouth is communicated with.
See also Fig. 2, bleed pressure: the 0.8Mpa(reference), gas cylinder testing pressure: 0.6Mpa.
See also Fig. 3, bleed pressure: the 0.8Mpa(reference), reverse seal test pressure: 0.3Mpa(gas).
See also Fig. 4, the bleed pressure scope: 0.4Mpa～0.8Mpa(reference), seal test pressure: 0.66Mpa(high-low pressure gas).
Claims (4)
1. subsea valve in laboratory pick-up unit, be connected with sea cock and valve (5), it is characterized in that: comprise source of the gas (1), gas source switch (2), gas source triplet (3), 3-position 4-way hand valve (4), tank (6), reduction valve (7), two logical hand valves (8), air inlet pipeline (10), outlet pipe (11), bottom valve structure for pressure test (12) and pressure testing cover (20);
The elbow end flanges dish of described sea cock and valve (5) is connected with bottom valve structure for pressure test (12) with sealing gasket by bolt, and bottom valve structure for pressure test (12) is with the elbow end sealing of sea cock and valve (5), and the center of bottom valve structure for pressure test (12) is connected with the first entrance pressure mouth (I);
The cylinder end ring flange of described sea cock and valve (5) is connected with pressure testing cover (20) with sealing gasket by bolt, and pressure testing cover (20) covers the cylinder seal of sea cock and valve, is connected with the second entrance pressure mouth (II) on the pressure testing cover (20);
The described first entrance pressure mouth (I) is communicated with first interface of 3-position 4-way hand valve (4), the described second entrance pressure mouth (II) is communicated with second interface of 3-position 4-way hand valve (4), described source of the gas (1) is communicated with by the 3rd interface and two interfaces that lead to hand valves (8) of air inlet pipeline (10) and 3-position 4-way hand valve (4), described gas source switch (2) and gas source triplet (3) are arranged on the air inlet pipeline (10) between the 3rd interface of source of the gas and 3-position 4-way hand valve, and described reduction valve (7) is arranged on the air inlet pipelines (10) between gas source triplet and the two logical hand valves.
2. subsea valve in laboratory pick-up unit according to claim 1, it is characterized in that: described bottom valve structure for pressure test (12) comprises pressure testing flange (14), back up pad (15), web joint (16), rubber slab (17), fixed head (18), bolt (19) and structure for pressure test joint (13), the described first entrance pressure mouth (I) is opened on pressure testing flange (14) and structure for pressure test joint (13) is sealedly connected on the first entrance pressure mouth (I), pressure testing flange (14) is fixedly connected on the back up pad (15), back up pad (15) support and connection are on web joint (16), and web joint is connected on the fixed head (18) by rubber slab (17) and bolt (19).
3. subsea valve in laboratory pick-up unit according to claim 1, it is characterized in that: described pressure testing cover (20) comprises cover body (21), ring flange (23), blind lid (24) and pressure testing shield joint (25), the described second entrance pressure mouth (II) open on the sidewall of cover body (21) and pressure testing shield joint (25) be sealedly connected on the second entrance pressure mouth (II), described ring flange (23) is connected the lower end of cover body (21), and described blind lid (24) is connected the upper end of cover body (21).
4. subsea valve in laboratory pick-up unit according to claim 3 is characterized in that: be fixedly connected with plinth (22) on the described second entrance pressure mouth (II), pressure testing shield joint (25) is tightly connected on the plinth (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020140717 CN201628614U (en) | 2010-03-25 | 2010-03-25 | Laboratory sea valve detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020140717 CN201628614U (en) | 2010-03-25 | 2010-03-25 | Laboratory sea valve detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628614U true CN201628614U (en) | 2010-11-10 |
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ID=43060011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020140717 Expired - Lifetime CN201628614U (en) | 2010-03-25 | 2010-03-25 | Laboratory sea valve detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628614U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788370A (en) * | 2010-03-25 | 2010-07-28 | 北京三兴汽车有限公司 | Device and method for detecting subsea valve in laboratory |
| CN103411737A (en) * | 2013-08-26 | 2013-11-27 | 国家电网公司 | Air tightness detection tool for switching-off control valve |
| CN107462373A (en) * | 2017-09-19 | 2017-12-12 | 合肥通用机械研究院 | A kind of valve leak rate automatic testing equipment based on bubble method |
-
2010
- 2010-03-25 CN CN 201020140717 patent/CN201628614U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788370A (en) * | 2010-03-25 | 2010-07-28 | 北京三兴汽车有限公司 | Device and method for detecting subsea valve in laboratory |
| CN101788370B (en) * | 2010-03-25 | 2011-05-11 | 北京三兴汽车有限公司 | Device and method for detecting subsea valve in laboratory |
| CN103411737A (en) * | 2013-08-26 | 2013-11-27 | 国家电网公司 | Air tightness detection tool for switching-off control valve |
| CN107462373A (en) * | 2017-09-19 | 2017-12-12 | 合肥通用机械研究院 | A kind of valve leak rate automatic testing equipment based on bubble method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101110 Effective date of abandoning: 20110511 |