CN201202876Y - Hydraulic transmission device of rapid cut-off valve - Google Patents
Hydraulic transmission device of rapid cut-off valve Download PDFInfo
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- CN201202876Y CN201202876Y CNU2008200771752U CN200820077175U CN201202876Y CN 201202876 Y CN201202876 Y CN 201202876Y CN U2008200771752 U CNU2008200771752 U CN U2008200771752U CN 200820077175 U CN200820077175 U CN 200820077175U CN 201202876 Y CN201202876 Y CN 201202876Y
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- solenoid valve
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 64
- 230000000694 effects Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a hydraulic transmission device of a fast shut-off valve which is improved on the basis of prior art. The main improvement is that: a spring is arranged on the periphery of a hydraulic cylinder, the power source adopts a standard cylinder, through an electromagnetic directional valve and a mechanical directional valve, the walk function can achieve double insurance for the walk, and the performance is more reliable. The utility model has the following beneficial effects that: through adopting the standard cylinder, the pressure bearing capacity is big, the leakage quantity is small, and so the cylinder diameter is small; the spring is arranged on the periphery of the hydraulic cylinder, and the whole length can be reduced; the components quantity is small, and the installation is simple; the weight is lightened, and the supporting force to support the valve can be reduced; the dual insurance for the walk is achieved, and the walk performance is more reliable.
Description
Technical field
The utility model relates to a kind of repid cut-off valve hydraulic transmission.
Background technique
At present, repid cut-off valve hydraulic transmission commonly used is made up of driving mechanism and hydraulic control system, and the structural representation of its driving mechanism is shown in Fig. 4,5, and the principle schematic of its hydraulic control system as shown in Figure 6.The structural feature of its driving mechanism is the both sides that oil cylinder 6 and spring 12 are distributed in crank 10, and it is as a whole to use connecting rod 5 that oil cylinder 6 is connected with spring cylinder 14, and whole driving mechanism is hinged by axle 7 and support 4, and support 4 is fixed on the valve body 1.
The working procedure of above-mentioned hydraulic transmission dress is as follows:
1. start work slowly: first solenoid valve, 24 the right coils get, right spool is in the working position, and pressure oil enters the rodless cavity of oil cylinder 6 from hydraulic fluid port 15, and piston 8 is a fulcrum with the axle 7 of oil cylinder 6, move upward and promote 10 rotations of piston rod 9 drive cranks, drive valve rod 3 and make butterfly plate 2 rotations, while pressure spring 12, the breakdown action of realization valve, after reaching the position, collision block 19 triggers and reaches a position limit switch 18 actions, 24 outages of first solenoid valve, and piston rod 9 keeps original position;
2. close action slowly: first solenoid valve, 24 left side coils get, left side spool is in the working position, oil cylinder 6 passes through hydraulic fluid port 15 draining at a slow speed, piston 8 moves to oil cylinder 6 bottoms under spring 12 power effects, after the pass puts in place, collision block 19 triggers and closes position limit switch 21 actions that put in place, and 24 outages of first solenoid valve are closed action slowly thereby finish valve;
3. valve quick closing valve action: first solenoid valve, 24 left side coils get, left side spool is in the working position, draining solenoid valve 23 gets fast simultaneously, at this moment, oil cylinder 6 is by hydraulic fluid port 15, get through first solenoid valve 24 and quick draining solenoid valve 23, at this moment, oil cylinder 6 is by hydraulic fluid port 15, and through first solenoid valve 24 and quick draining solenoid valve 23 quick drainings, piston 8 moves to oil cylinder 6 bottoms rapidly under spring 12 power effects, after the pass puts in place, collision block 19 triggers and closes position limit switch 21 actions that put in place, first solenoid valve 24 and draining solenoid valve 23 outages fast, thus finish the action of valve quick closing valve;
4. moving about of valve: when valve is in standard-sized sheet, by the solenoid valve 22 of moving about electric, hydraulic oil enters the rod chamber of oil cylinder 6 by the solenoid valve 22 that moves about, and the pressure difference of piston 8 both sides is reduced, under the effect of spring 12, piston moves to the position of moving about, and triggers position limit switch 17 actions, and solenoid valve 22 dead electricity of moving about reset, piston is at the effect lower compression spring 12 of hydraulic oil, collision block 19 is triggered reach a position limit switch 18, valve is driven valve and is put in place, finishes once and moves about.The shortcoming of said apparatus is as follows:
(1) owing to the non-standard oil cylinder of employing, the cost of production height, pressure is low, and leakage rate is big, the waste resource;
(2) oil cylinder and spring are distributed in the crank both sides, and overall dimensions is big;
(3) number of spare parts is many, and assembling is complicated.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of bearing capacity height, leakage rate is little, volume is little, in light weight, the simple repid cut-off valve hydraulic transmission of assembling.
The utility model adopts following technological scheme:
The utility model improves on the basis of existing technology and forms, it is main to be that spring is installed in the oil hydraulic cylinder periphery at improvement, and power source adopts the standard oil cylinder, and the function of moving about is by a solenoid directional control valve and mechanical switching valve, the double insurance that realization is moved about, performance are more reliable.
Concrete technological scheme of the present utility model is as follows:
The utility model includes driving mechanism and hydraulic control system, it is characterized in that described driving mechanism is made up of hydraulic cylinder assembly and spring cylinder assembly; Described hydraulic cylinder assembly is made up of oil cylinder, piston, piston rod, cylinder barrel, base, balance staff, support, oil cylinder is fixedlyed connected with base, and base, cylinder barrel, balance staff three are connected as a single entity by pull bar, and oil cylinder is positioned among the cylinder barrel, balance staff and support are hinged, and support is fixedlyed connected with valve body;
Described spring cylinder assembly is made up of spring, flip sleeve, and an end face of flip sleeve is connected on the piston rod, the inwall sliding contact of the outer circumferential face of the flip sleeve the other end and cylinder barrel, and spring housing is on flip sleeve, and spring one end seat is on balance staff;
Described hydraulic control system by first solenoid valve, fast draining solenoid valve, the solenoid valve that moves about, mechanical commutation valve, collision block, reach a position limit switch, close the position limit switch that puts in place, the position limit switch that moves about is formed; The hydraulic fluid port of first solenoid valve is connected with the hydraulic fluid port of oil cylinder, and the oil drain out of first solenoid valve is connected to oil exit pipe; Collision block is installed in the end of piston rod, collision block at each movement position place respectively with reach a position limit switch, the position limit switch that moves about, mechanical commutation valve, the shake-up head that closes the position limit switch that puts in place contact, the hydraulic fluid port of draining solenoid valve is connected with the hydraulic fluid port of oil cylinder by pipeline fast, and the oil drain out of oil drain valve is connected to oil exit pipe fast; The filler opening of solenoid valve of moving about is connected with the hydraulic fluid port of oil cylinder by pipeline, and the oil drain out of the solenoid valve that moves about is connected by the filler opening of pipeline with the mechanical commutation valve, and the oil drain out of mechanical commutation valve is connected to oil exit pipe; The oil drain out that is positioned at the oil cylinder head is connected to oil exit pipe.
Described oil cylinder is the standard oil cylinder.
The utility model good effect is as follows:
(1) adopt standard oil cylinder bearing capacity height, leakage rate is little, so cylinder diameter is little;
(2) spring is in the oil cylinder periphery, and entire length reduces;
(3) number of spare parts is few, and assembling is simple;
(4) weight saving reduces the active force of device to the valve supporting;
(5) the realization double insurance that moves about, the performance of moving about is more reliable.
Description of drawings
Fig. 1 is the structural representation of driving mechanism of the present utility model.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the principle schematic of hydraulic control system of the present utility model.
Fig. 4 is the structural representation of the driving mechanism of existing repid cut-off valve hydraulic transmission.
Fig. 5 is the right elevation of Fig. 4.
Fig. 6 is the principle schematic of the hydraulic control system of existing repid cut-off valve hydraulic transmission.
Embodiment
The utility model by the embodiment shown in Fig. 1-3 as can be known, it includes driving mechanism and hydraulic control system, it is characterized in that described driving mechanism is made up of hydraulic cylinder assembly and spring cylinder assembly; Described hydraulic cylinder assembly is made up of oil cylinder 6, piston 8, piston rod 9, cylinder barrel 25, base 13, balance staff 7, support 4, oil cylinder 6 is fixedlyed connected with base 13, base 13, cylinder 25, balance staff 7 threes are connected as a single entity by pull bar 5, oil cylinder 6 is positioned among the cylinder barrel 25, balance staff 7 is hinged with support 4, and support 4 is fixedlyed connected with valve body 1;
Described spring cylinder assembly is made up of spring 12, flip sleeve 14, an end face of flip sleeve 14 is connected on the piston rod 19, the outer circumferential face of flip sleeve 14 the other ends and the inwall sliding contact of cylinder barrel 25, spring 12 is enclosed within on the flip sleeve 14, and spring 12 1 end seats are on balance staff 7;
Described hydraulic control system by first solenoid valve 24, fast draining solenoid valve 23, the solenoid valve 22 that moves about, mechanical commutation valve 20, collision block 19, reach a position limit switch 18, close the position limit switch 21 that puts in place, the position limit switch 17 that moves about is formed; The hydraulic fluid port of first solenoid valve 24 is connected with the hydraulic fluid port 15 of oil cylinder 6, and the oil drain out of first solenoid valve 24 is connected to oil exit pipe; Collision block 19 is installed in the end of piston rod 9, collision block 19 at each movement position place respectively with reach a position limit switch 18, the position limit switch 17 that moves about, mechanical commutation valve 20, the shake-up head that closes the position limit switch 21 that puts in place contact, the hydraulic fluid port of draining solenoid valve 23 is connected with the hydraulic fluid port 15 of oil cylinder 6 by pipeline fast, and the oil drain out of oil drain valve 23 is connected to oil exit pipe fast; The filler opening of solenoid valve 22 of moving about is connected with the hydraulic fluid port 15 of oil cylinder 6 by pipeline, and the oil drain out of the solenoid valve 22 that moves about is connected by the filler opening of pipeline with mechanical commutation valve 20, and the oil drain out of mechanical commutation valve 20 is connected to oil exit pipe; The oil drain out 26 that is positioned at oil cylinder 6 heads is connected to oil exit pipe.The effect of the oil drain out 26 of standard oil cylinder 6 heads is to guarantee that micro-leakage of oil can be discharged in the oil cylinder 6, in order to avoid influence cylinder action.
In the present embodiment, described oil cylinder 6 is the standard oil cylinder.
The working procedure of present embodiment is as follows:
1. start work slowly: first solenoid valve, 24 the right coils get, right spool is in the working position, and pressure oil enters the rodless cavity of oil cylinder 6 by hydraulic fluid port 15, promotes piston 8 and piston rod 9 and moves, with axle 7 is fulcrum, drive crank 10 rotations spring 12 simultaneously, crank 10 drives valve rod 3 and drives butterfly plate 2 rotations, valve opening, after reaching the position, collision block 19 triggers and reaches a position limit switch 18 actions, 24 outages of first solenoid valve, and piston rod 9 keeps original position under the effect of hydraulic oil;
2. close action slowly: first solenoid valve, 24 left side coils get electric, and left spool is in the working position, and hydraulic fluid port 15 is draining at a slow speed, and valve closes slowly, and collision block 19 triggers and closes position limit switch 21 actions that put in place, and 24 outages of first solenoid valve are closed action slowly thereby finish valve;
3. valve quick closing valve action: first solenoid valve, 24 left side coils get, left side spool is in the working position, and simultaneously quick draining solenoid valve 23 gets electric, at this moment, oil cylinder 6 is by hydraulic fluid port 15, through first solenoid valve 24 and quick draining solenoid valve 23, quick draining, piston 8 moves to oil cylinder 6 bottoms rapidly under spring 12 power effects, after the pass puts in place, collision block 19 triggers and closes position limit switch 21 actions that put in place, first solenoid valve 24 and draining solenoid valve 23 outages fast, thus finish the action of valve quick closing valve;
4. moving about of valve: when valve is in standard-sized sheet, by the solenoid valve 22 that moves about electric, under the effect of spring 12 power, oil cylinder 6 drainings, when closing 5 °, triggers on valve position limit switch 17 action and the mechanical switching valves 20 that move about, solenoid valve 22 dead electricity of moving about, and mechanical switching valve 20 resets, stop draining, under the effect of hydraulic oil, piston 8 backspaces, collision block 19 triggers and reaches a position limit switch 18 actions, valve is driven valve and is put in place, finishes once and moves about.
Claims (2)
1, repid cut-off valve hydraulic transmission, it includes driving mechanism and hydraulic control system, it is characterized in that described driving mechanism is made up of hydraulic cylinder assembly and spring cylinder assembly; Described hydraulic cylinder assembly is made up of oil cylinder (6), piston (8), piston rod (9), cylinder barrel (25), base (13), balance staff (7), support (4), oil cylinder (6) is fixedlyed connected with base (13), base (13), cylinder barrel (25), balance staff (7) three are connected as a single entity by pull bar (5), oil cylinder (6) is positioned among the cylinder barrel (25), balance staff (7) is hinged with support (4), and support (4) is fixedlyed connected with valve body (1);
Described spring cylinder assembly is made up of spring (12), flip sleeve (14), an end face of flip sleeve (14) is connected on the piston rod (19), the outer circumferential face of flip sleeve (14) the other end and the inwall sliding contact of cylinder barrel (25), spring (12) is enclosed within on the flip sleeve (14), and spring (12) one end seats are on balance staff (7);
Described hydraulic control system by first solenoid valve (24), fast draining solenoid valve (23), the solenoid valve that moves about (22), mechanical commutation valve (20), collision block (19), reach a position limit switch (18), close the position limit switch (21) that puts in place, the position limit switch that moves about (17) is formed; The hydraulic fluid port of first solenoid valve (24) is connected with the hydraulic fluid port (15) of oil cylinder (6), and the oil drain out of first solenoid valve (24) is connected to oil exit pipe; Collision block (19) is installed in the end of piston rod (9), collision block (19) contacts with the shake-up head that reaches a position limit switch (18), the position limit switch that moves about (17), mechanical commutation valve (20), close the position limit switch (21) that puts in place respectively at each movement position place, the hydraulic fluid port of draining solenoid valve (23) is connected with the hydraulic fluid port (15) of oil cylinder (6) by pipeline fast, and the oil drain out of oil drain valve (23) is connected to oil exit pipe fast; The filler opening of solenoid valve (22) of moving about is connected with the hydraulic fluid port (15) of oil cylinder (6) by pipeline, and the oil drain out of the solenoid valve that moves about (22) is connected by the filler opening of pipeline with mechanical commutation valve (21), and the oil drain out of mechanical commutation valve (20) is connected to oil exit pipe; The oil drain out (26) that is positioned at oil cylinder (6) head is connected to oil exit pipe.
2, repid cut-off valve hydraulic transmission according to claim 1 is characterized in that described oil cylinder (6) is the standard oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200771752U CN201202876Y (en) | 2008-05-05 | 2008-05-05 | Hydraulic transmission device of rapid cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200771752U CN201202876Y (en) | 2008-05-05 | 2008-05-05 | Hydraulic transmission device of rapid cut-off valve |
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| Publication Number | Publication Date |
|---|---|
| CN201202876Y true CN201202876Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200771752U Expired - Fee Related CN201202876Y (en) | 2008-05-05 | 2008-05-05 | Hydraulic transmission device of rapid cut-off valve |
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| Country | Link |
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| CN (1) | CN201202876Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453154A (en) * | 2013-09-16 | 2013-12-18 | 南通东华炉业有限公司 | Novel electro-hydraulic ventilation butterfly valve |
| CN106678413A (en) * | 2017-01-07 | 2017-05-17 | 上海卡威机械技术有限公司 | Hyperslow multi-turn electrohydraulic executing mechanism |
| CN109114290A (en) * | 2018-10-19 | 2019-01-01 | 江苏神通阀门股份有限公司 | A kind of modified executing agency |
| CN110224311A (en) * | 2019-06-25 | 2019-09-10 | 尹鑫 | A kind of open air Special distribution cabinet |
-
2008
- 2008-05-05 CN CNU2008200771752U patent/CN201202876Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453154A (en) * | 2013-09-16 | 2013-12-18 | 南通东华炉业有限公司 | Novel electro-hydraulic ventilation butterfly valve |
| CN106678413A (en) * | 2017-01-07 | 2017-05-17 | 上海卡威机械技术有限公司 | Hyperslow multi-turn electrohydraulic executing mechanism |
| CN109114290A (en) * | 2018-10-19 | 2019-01-01 | 江苏神通阀门股份有限公司 | A kind of modified executing agency |
| CN110224311A (en) * | 2019-06-25 | 2019-09-10 | 尹鑫 | A kind of open air Special distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20140505 |