CN203892684U - Action control device for hydraulic switch of large butterfly valve - Google Patents
Action control device for hydraulic switch of large butterfly valve Download PDFInfo
- Publication number
- CN203892684U CN203892684U CN201420259250.2U CN201420259250U CN203892684U CN 203892684 U CN203892684 U CN 203892684U CN 201420259250 U CN201420259250 U CN 201420259250U CN 203892684 U CN203892684 U CN 203892684U
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- China
- Prior art keywords
- valve
- oil
- fluid port
- hydraulic fluid
- way electromagnetic
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- Expired - Fee Related
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- 239000012530 fluid Substances 0.000 claims description 60
- 239000003034 coal gas Substances 0.000 claims description 26
- 239000002828 fuel tank Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 230000004089 microcirculation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to an action control device for a hydraulic switch of a large butterfly valve. An oil orifice A of a gas butterfly valve hydraulic cylinder and an oil orifice B of a gas butterfly valve hydraulic cylinder are connected with a three-position four-way electromagnetic valve. An oil tank is connected with an oil inlet of a hydraulic pump. An oil outlet of the hydraulic pump is connected with an oil orifice P of the three-position four-way electromagnetic valve. An oil orifice T of the three-position four-way electromagnetic valve is connected with the oil tank. The action control device is characterized in that the oil orifice A of the gas butterfly valve hydraulic cylinder is connected with an oil orifice A of a first two-position four-way electromagnetic valve, an oil orifice P of the first two-position four-way electromagnetic valve is connected with an oil orifice A of the three-position four-way electromagnetic valve and is connected with an oil orifice A of a third two-position two-way electromagnetic valve, an oil orifice P of the third two-position two-way electromagnetic valve is connected with an oil orifice B of the three-position four-way electromagnetic valve, an oil orifice B of the gas butterfly valve hydraulic cylinder is connected with an oil orifice A of a second two-position two-way electromagnetic valve, an oil orifice P of the second two-position two-way electromagnetic valve is connected with the oil orifice B of the three-position four-way electromagnetic valve. The action control device allows online cleaning for the three-position four-way electromagnetic valve.
Description
Technical field
The utility model relates to a kind of hydraulic switch motion control device of macrotype butterfly valve.
Background technique
In coal gas region, system production process, in order to cut off reliably and to carry gas medium, often use rapid switching valve, butterfly valve and push-pull valve etc.Control to this type valve, main flow is that high-pressure oil passage is realized the switch of valve by hydraulic valve platform selector valve mostly at present.
The hydraulic switch motion control device of existing macrotype butterfly valve (diameter is greater than 2000mm) is comprised of three position four-way electromagnetic valve, oil circuit and alternating direct-current oil pump.Normally macrotype butterfly valve oil hydraulic cylinder A hydraulic fluid port and B hydraulic fluid port two ends hydraulic fluid port are connected to A hydraulic fluid port and the B hydraulic fluid port of three position four-way electromagnetic valve, the filler opening of oil pump is connected with fuel tank, the oil outlet of oil pump is connected to the P hydraulic fluid port of three position four-way electromagnetic valve, and the T hydraulic fluid port of three position four-way electromagnetic valve is connected with the return tube of fuel tank.Because three position four-way electromagnetic valve carries out after switch motion operation on valve platform, seldom can again carry out in the recent period switch motion, so three position four-way electromagnetic valve oil circuit can not effectively circulate, cause oil to pollute, finally cause three position four-way electromagnetic valve that bite occurs when switch motion.
Summary of the invention
In order to overcome the deficiency that the hydraulic switch motion control device of existing macrotype butterfly valve can not on-line cleaning three position four-way electromagnetic valve, the utility model provides a kind of hydraulic switch motion control device of macrotype butterfly valve that can on-line cleaning three position four-way electromagnetic valve.
The hydraulic switch motion control device of this macrotype butterfly valve comprises hydraulically powered coal gas dish valve, three position four-way electromagnetic valve, fuel tank, oil hydraulic pump and connected pipes, the coal gas dish valve oil hydraulic cylinder A hydraulic fluid port of hydraulically powered gas butterfly valve is connected with three position four-way electromagnetic valve with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port, the fuel sucking pipe of fuel tank is connected with the filler opening of oil hydraulic pump with oil pipe, the oil outlet of oil hydraulic pump is connected with the P hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, the T hydraulic fluid port of three position four-way electromagnetic valve is connected with the return tube of fuel tank with oil pipe, it is characterized in that: described coal gas dish valve oil hydraulic cylinder A hydraulic fluid port is connected with three position four-way electromagnetic valve by three 2/2-way solenoid valves and realizes with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port, coal gas dish valve oil hydraulic cylinder A hydraulic fluid port is connected with the A hydraulic fluid port of the first 2/2-way solenoid valve with oil pipe, the P hydraulic fluid port of the first 2/2-way solenoid valve is connected with the A hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, and be connected with the A hydraulic fluid port of the 3rd 2/2-way solenoid valve with oil pipe, the P hydraulic fluid port of the 3rd 2/2-way solenoid valve is connected with the B hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, coal gas dish valve oil hydraulic cylinder B hydraulic fluid port is connected with the A hydraulic fluid port of the second 2/2-way solenoid valve with oil pipe, and the P hydraulic fluid port of the second 2/2-way solenoid valve is connected with the B hydraulic fluid port of three position four-way electromagnetic valve with oil pipe.
The beneficial effects of the utility model
Effectively improve the efficiency of valve switch, reduced the cost of overhaul of valve oil circuit control, realize three position four-way electromagnetic valve is carried out to function of on-line cleaning, reduced contacting of personnel and harmful gas.
Accompanying drawing explanation
Fig. 1 is the hydraulic switch motion control device schematic diagram of this macrotype butterfly valve.
Fig. 2 is that the hydraulic switch motion control device of this macrotype butterfly valve is at the schematic diagram in cleaning three position four-way electromagnetic valve left side.
Fig. 3 is that the hydraulic switch motion control device of this macrotype butterfly valve is at the schematic diagram on cleaning three position four-way electromagnetic valve right side.
Fig. 4 is the schematic diagram of the hydraulic switch motion control device normal working of this macrotype butterfly valve.
Fig. 5 is three position four-way electromagnetic valve graphic symbol.
Fig. 6 is 2/2-way solenoid valve graphic symbol.
In above-mentioned figure
1. the first 2/2-way solenoid valve, 2. hydraulically powered coal gas dish valve, 3. the second 2/2-way solenoid valve,
4. the 3rd 2/2-way solenoid valve, 5. three position four-way electromagnetic valve, 6. fuel tank, 7. oil hydraulic pump, 8. coal gas dish valve oil hydraulic cylinder A hydraulic fluid port, 9. coal gas dish valve oil hydraulic cylinder B hydraulic fluid port.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, embodiment of the present utility model is described in detail, but embodiment of the present utility model is not limited to following embodiment.
Embodiment
The hydraulic switch motion control device of this macrotype butterfly valve is shown in Fig. 1, it comprises hydraulically powered coal gas dish valve 2, three position four-way electromagnetic valve 5, fuel tank 6, oil hydraulic pump 7 and connected pipes, the coal gas dish valve oil hydraulic cylinder A hydraulic fluid port 8 of hydraulically powered gas butterfly valve 2 is connected with three position four-way electromagnetic valve 5 with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port 9, the fuel sucking pipe of fuel tank 6 is connected with the filler opening of oil hydraulic pump 7 with oil pipe, the oil outlet of oil hydraulic pump 7 is connected with the P hydraulic fluid port of three position four-way electromagnetic valve 5, the T hydraulic fluid port of three position four-way electromagnetic valve 5 is connected with the return tube of fuel tank 6 with oil pipe, it is characterized in that: the coal gas dish valve oil hydraulic cylinder A hydraulic fluid port 8 of described hydraulically powered gas butterfly valve 2 is connected with three position four-way electromagnetic valve 5 by three 2/2-way solenoid valves and realizes with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port 9, the coal gas dish valve oil hydraulic cylinder A hydraulic fluid port 8 use oil pipes of hydraulically powered gas butterfly valve 2 are connected with the A hydraulic fluid port of the first 2/2-way solenoid valve 1, the P hydraulic fluid port of the first 2/2-way solenoid valve 1 is connected with the A hydraulic fluid port of three position four-way electromagnetic valve 5 with oil pipe, and be connected with the A hydraulic fluid port of the 3rd 2/2-way solenoid valve 4 with oil pipe, the P hydraulic fluid port of the 3rd 2/2-way solenoid valve is connected with the B hydraulic fluid port of three position four-way electromagnetic valve 5, the coal gas dish valve oil hydraulic cylinder B hydraulic fluid port 9 use oil pipes of hydraulically powered gas butterfly valve 2 are connected with the A hydraulic fluid port of the second 2/2-way solenoid valve 3, and the P hydraulic fluid port of the second 2/2-way solenoid valve 3 is connected with the B hydraulic fluid port of three position four-way electromagnetic valve 5 with oil pipe.
The cleaning process of three position four-way electromagnetic valve 5 of the present utility model is described, for the ease of understanding working procedure of the present utility model, accompanying drawing 2, Fig. 3 and Fig. 4 below in conjunction with accompanying drawing.When cleaning state, valve hydraulic control system can, according to field personnel's requirement by the operation to the first 2/2-way solenoid valve 1, the second 2/2-way solenoid valve 3, the 3rd 2/2-way solenoid valve 4 dead electricity, form and clean three position four-way electromagnetic valve 5 micro circulation oil circuits.Specific operation are as follows:
The first, the first 2/2-way solenoid valve 1, the second 2/2-way solenoid valve 3 energized actions, guarantee to enter hydraulically powered gas butterfly valve 2 both sides oil circuits and disconnect, and guarantees hydraulically powered gas butterfly valve 2 not because three position four-way electromagnetic valve 5 cleans and misoperation.
The second, the three 2/2-way solenoid valve 4 dead electricity, the short-channel conducting of both sides oil circuit after spring reset, guarantees that the micro circulation oil circuit that cleans three position four-way electromagnetic valve 5 forms, and prepares for next step cleans.
The 3rd, staff controls separately three position four-way electromagnetic valve 5 by on-site control button.When the state of cleaning, three position four-way electromagnetic valve 5 left side line Bao get electricity, the internal oil passages of splitting action carries out oil circulation, sees Fig. 2.
The 4th, three position four-way electromagnetic valve 5 right-hand line Bao get electricity, carry out oil circulation to closing the internal oil passages of action, see Fig. 3.
Such on-line cleaning device, effectively guarantees that oily magazine can circulate in time, has fundamentally stopped the phenomenon of three position four-way electromagnetic valve 5.
Normal working
Normal working, refers to the state that three position four-way electromagnetic valve 5 is not cleaning.When normal working, hydraulically powered coal gas dish valve 2 hydraulic control systems can be according to field personnel's requirement by controlling the switching of oil-feed and return line to the operation of three position four-way electromagnetic valve 5, after advance and retreat oil pipe line switches, control valve starts to be done and closes action, sees Fig. 4.
Three position four-way electromagnetic valve graphic symbol is shown in Fig. 5.
2/2-way solenoid valve graphic symbol is shown in Fig. 6.
Claims (1)
1. the hydraulic switch motion control device of a macrotype butterfly valve, it comprises hydraulically powered coal gas dish valve, three position four-way electromagnetic valve, fuel tank, oil hydraulic pump and connected pipes, the coal gas dish valve oil hydraulic cylinder A hydraulic fluid port of hydraulically powered gas butterfly valve is connected with three position four-way electromagnetic valve with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port, the fuel sucking pipe of fuel tank is connected with the filler opening of oil hydraulic pump with oil pipe, the oil outlet of oil hydraulic pump is connected with the P hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, the T hydraulic fluid port of three position four-way electromagnetic valve is connected with the return tube of fuel tank with oil pipe, it is characterized in that: described coal gas dish valve oil hydraulic cylinder A hydraulic fluid port is connected with three position four-way electromagnetic valve by three 2/2-way solenoid valves and realizes with coal gas dish valve oil hydraulic cylinder B hydraulic fluid port, coal gas dish valve oil hydraulic cylinder A hydraulic fluid port is connected with the A hydraulic fluid port of the first 2/2-way solenoid valve with oil pipe, the P hydraulic fluid port of the first 2/2-way solenoid valve is connected with the A hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, and be connected with the A hydraulic fluid port of the 3rd 2/2-way solenoid valve with oil pipe, the P hydraulic fluid port of the 3rd 2/2-way solenoid valve is connected with the B hydraulic fluid port of three position four-way electromagnetic valve with oil pipe, coal gas dish valve oil hydraulic cylinder B hydraulic fluid port is connected with the A hydraulic fluid port of the second 2/2-way solenoid valve with oil pipe, and the P hydraulic fluid port of the second 2/2-way solenoid valve is connected with the B hydraulic fluid port of three position four-way electromagnetic valve with oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259250.2U CN203892684U (en) | 2014-05-21 | 2014-05-21 | Action control device for hydraulic switch of large butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259250.2U CN203892684U (en) | 2014-05-21 | 2014-05-21 | Action control device for hydraulic switch of large butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892684U true CN203892684U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259250.2U Expired - Fee Related CN203892684U (en) | 2014-05-21 | 2014-05-21 | Action control device for hydraulic switch of large butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238338A (en) * | 2018-03-08 | 2019-09-17 | 赵珠显 | Hydraulic system is used in the sliding block adjusting of forging press |
-
2014
- 2014-05-21 CN CN201420259250.2U patent/CN203892684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238338A (en) * | 2018-03-08 | 2019-09-17 | 赵珠显 | Hydraulic system is used in the sliding block adjusting of forging press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |