CN102384300B - Electric-manual double-acting semi-balance large-depth sea suction stop valve - Google Patents
Electric-manual double-acting semi-balance large-depth sea suction stop valve Download PDFInfo
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- CN102384300B CN102384300B CN 201110328890 CN201110328890A CN102384300B CN 102384300 B CN102384300 B CN 102384300B CN 201110328890 CN201110328890 CN 201110328890 CN 201110328890 A CN201110328890 A CN 201110328890A CN 102384300 B CN102384300 B CN 102384300B
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Abstract
The invention aims at providing an electric-manual double-acting semi-balance large-depth sea suction stop valve comprising a valve disk, a valve rod, a piston, a pin device, a valve body, a valve cover, a sliding block, a gear, a hand wheel, an electromagnetic clutch, a speed reducer and a motor. The gear comprises a rack wheel and a pinion, the piston and the valve disk are connected with each other and all positioned in the valve body, the valve cover is connected with the valve body, one end of the valve rod is positioned in the valve disk, the other end of the valve rod is connected with the rack wheel, the rack wheel, the hand wheel and the electromagnetic clutch are respectively connected with the pinion, and the motor is connected with the electromagnetic clutch by the speed reducer. For the sea section stop valve, by adopting the electric-manual double-acting type, the work is more reliable; simultaneously, the double-sealing-surface structural design is adopted, and the sealing directions are consistent, so that the complete closing can be guaranteed; and he structure is simple, the movement is reliable, and the opening is easy.
Description
Technical field
What the present invention relates to is the maritime stop valve in a kind of deep sea surveying field.
Background technique
Current development in science and technology is had higher requirement for operations involving high pressure, deep sea surveying.Break-make as dive device pressure-resistant cabin and seawater realizes by controlling kingston valve, and each state is all at the development bathyscaphe especially now, and submerged depth is intensification gradually also, and a safe and reliable valve plays extremely important effect in whole pipe-line system.The stop valve performance is to weigh the safe and reliable important indicator of pipe-line system in operations involving high pressure mesohigh pipeline.Working still, urgency all will guarantee the normal open and close of valve.Along with the intensification of the degree of depth is also more and more higher to the performance requirement of valve.
Old-fashioned maritime stop valve does not have outside pressure balancing device, when deep ocean work, because the pressure ratio of the extraneous seawater of valve is larger, causes valve opening relatively to be required great effort.If in case of emergency timely Open valve, just might cause extremely serious consequence.
Summary of the invention
The object of the present invention is to provide and open the maritime stop valve of the large degree of depth of electric and manual manipulation acting semi-balance easy, reliable in action in the deep-sea.
The object of the present invention is achieved like this:
The maritime stop valve of the large degree of depth of electric and manual manipulation acting semi-balance of the present invention, it is characterized in that: comprise valve disc, valve rod, piston, post means, valve body, valve gap, slide block, gear, handwheel, magnetic clutch, retarder, motor, described gear comprises gearwheel and small gear, piston is connected with valve disc, piston and valve disc all are positioned in valve body, valve gap is connected with valve body, one end of valve rod is positioned in valve disc, the other end is connected with gearwheel, gearwheel, handwheel, magnetic clutch are connected with small gear respectively, and motor connects magnetic clutch by retarder.
The present invention can also comprise:
1, also comprise post means, post means is fixed on valve rod, has through hole on piston, consist of piston cavity between piston, valve gap and valve body, valve rod drives post means and moves up and down, thereby post means is inserted the through hole of extracting on piston, makes piston cavity be communicated with external pressure and interior pressure.
2, between valve gap and valve rod, stuffing box packing is installed, Gland compresses stuffing box packing.
3, also comprise slide block, slide block is arranged in valve gap, and slide block connects valve rod and limits displacement to axial and the rotation of valve rod.
4, described head and the middle part that is positioned at the valve rod of valve disc one side all has flow path groove, and valve disc bottom is provided with the hole.
Advantage of the present invention is: the present invention adopts the work of electric and manual manipulation double action more reliable, adopts simultaneously the double-sealing face structural design, and the sealing direction is consistent, can guarantee simultaneously sealing fully.Simple in structure, reliable in action is opened easily.
Description of drawings
Fig. 1 is overall construction drawing of the present invention;
Fig. 2 is stem structure figure;
Fig. 3 is the valve disc structural drawing;
Fig. 4 is piston structure figure;
Fig. 5 is slide block structure figure;
Fig. 6 is valve cover structure figure;
Fig. 7 is valve disc position partial enlarged drawing;
Fig. 8 is post means position partial enlarged drawing.
Embodiment
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～8, the present invention includes the members such as valve disc 1, valve rod 2, piston 3, post means 4, valve body 5, valve gap 6, filler 7, Gland 8, slide block 9, gearwheel 10, handwheel 11, pinion shaft 12, magnetic clutch 13, retarder 14, motor 15.The power section of this valve as shown in Figure 1, motor 15 connection reducers 14, retarder 14 connect magnetic clutch 13, magnetic clutch 13 connects pinion shaft 12, pinion shaft 12 at connection handwheel 11, and handwheel 11, pinion shaft 12, magnetic clutch 13, retarder 14, motor 15 are connected on same axis like this.Gearwheel 10 and small gear 12 engagements, the power of rotation by the motor indirect transfer to gearwheel 10.Gearwheel 10 coordinates by trapezoidal thread with valve rod 2.As shown in Fig. 1,5,6, slide block 9 inboards coordinate with valve rod 2 by key, pick up the ears in slide block 9 outsides
Insert valve gap 6 both sides bracket grooves
In, slide block 9 has limited the rotation (when gearwheel 10 rotated, valve rod 2 can only move up and down) of valve rod 2 like this, and the power of rotation is converted into the power that moves up and down.Valve body 5 is right-angle type, by the flange connections road.Valve body 5 mainly by valve seat 1., 2. piston cavity partly consist of (seeing Fig. 7, Fig. 8) with flange etc.Valve disc 1 bottom has small through hole 3. (to see Fig. 3, Fig. 7), and there is tapped hole on top and connects with piston 3.1. 4. the valve disc sealing surface cooperatively interact with valve seat and play the sealed valve effect.Piston 3 bottoms have sealing surface 5. 6. to coordinate with the valve stem seal face to seal.Piston 3 coordinates and can move up and down with valve rod 2.7. piston 3 is provided with pin-and-hole, and the switching of pin-and-hole is played to increase and let out the internal piston pressure-acting.Valve rod 2 can drive valve disc 1, piston 3 moves up and down.Be manufactured with the middle part flow path groove 8. on valve rod 2, according to the working state demand, 3. high pressure sea water can be entered and 10. 8. be entered the upper piston chamber 2. with the middle part flow path groove along valve rod 2 head flow path grooves by the valve disc small through hole, and act on piston upper surface, make the upper piston cavity pressure equate with high pressure sea water pressure, reduce the valve disc external and internal pressure poor, be convenient to valve opening.Post means 4 is connected with valve rod 2.By the air-tight state Open valve time, valve rod 2 moves downward, and drives the relative piston 3 of pin 4 and moves downward a little stroke, make post means 4 insert piston holes 7. in, seal up the upper piston chamber 2., in order to utilize extraneous high pressure water to act on piston, regulate pressure balance and be convenient to out valve; During throttle down, valve rod 2 drives valve discs 1, piston 3 moves upward, and 7. the relative piston 3 of the pin 4 little stroke that moves upward is extracted from piston hole, so that the inner high voltage water pressure release of upper piston chamber, produce power upwards and come better throttle down thereby utilize high pressure water to act on the valve disc bottom.Valve gap 6 has stuffing box, and in stuffing box, filler 7 coordinates with valve rod 2 and seals.
Compared with prior art, the invention has the beneficial effects as follows: adopt the work of electric and manual manipulation double action more reliable, adopt simultaneously the double-sealing face structural design, the sealing direction is consistent, can guarantee simultaneously sealing fully.Simple in structure, reliable in action is opened easily.The special starting stage at valve opening, the relative piston 3 of pin 4 moves downward a little stroke and inserts piston hole and seals up piston cavity 2. in 7., like this external high pressure water by the valve disc small through hole 3. along the valve rod flow path groove 8. and 10. introduce airtight piston upper chamber 2. in.High pressure water acts on piston upper surface, produces downward thrust, has balanced most of being acted on by high pressure water and has produced power upwards on valve disc 1 lower surface, thereby played the effect of self balancing, greatly reduces the difficulty of valve opening.And when throttle down, move upward a little stroke and extract piston hole 7. of the relative piston 3 of post means 4, make piston upper chamber 2. with low pressure area
Communicate, can lay down high pressure water to the active force of piston 3.This moment, high pressure water only acted on the valve disc lower surface, produced the thrust that makes progress more greatly, and promoting effect is played in the sealing of valve.Because this kingston valve operating conditions is the seawater in physical environment, so made than large through-hole, offered a plurality of flow path grooves on valve rod 2 on valve disc 1, can prevent further that like this silt and other impurity from stopping up runner, makes the valve working safety and reliability.
This valve is rectangular valve, and 1. the valve seat that is positioned at valve body 5 corners is integrated with valve body 5.9. valve rod 2 heads go deep into valve disc 1 inside.Piston 3 and valve disc 1 be by spiral marking connection, and 9. valve rod 2 heads are constrained in valve disc 1 inside.Valve rod 2 can be done little stroke axial motion in the assembly of valve disc 1 and piston 3 compositions, move distance is about 5mm～10mm.Post means 4 is half and half two body components, is associated on valve rod 2 by bolt clip is fastening.Valve rod 2 drives post means 4 and moves up and down, and 7. post means 4 can utilize through hole that this little stroke of above-mentioned 5mm～10mm inserted, extracted piston 3, thereby 2. the control piston chamber is communicated with external pressure and interior pressure, thereby realizes the keying operation pressure balance of valve.Valve gap 6 is connected with valve body 5 by bolt.Valve gap 6 is made of one with stuffing box.Be filled with stuffing box packing 7 in stuffing box, and by Gland 8 with its compression.Slide block 9 is picked up the ears
Insert valve gap 6 bracket grooves
In, limited the rotation of slide block 9.Slide block 9 is being connected with valve rod 2 with key by screw respectively, the wherein displacement to axial of screw restriction slide block 9 and valve rod 2, and key has limited the rotation of valve rod 2.
As Fig. 2, shown in Figure 8, valve rod 2 heads 9. with valve rod 2 middle parts be manufactured with respectively flow path groove 10. with flow path groove 8., seawater can be in the flow path groove that piston 3 and valve rod 2 form on current downflow.Valve rod 2 head seal faces 6. with piston 3 sealing surfaces 5. closure play seal action, 6. 5. sealing surface can be taper, plane or other shapes.As Fig. 2, Fig. 3, Fig. 7 and shown in Figure 8,3. valve disc 1 bottom is provided with through hole, and 3. seawater can be entered in valve disc 1 by through hole, and successively along valve rod 2 head flow path grooves 10., not closed sealing surface 5. 6. with the flow path groove at valve rod 2 middle parts 8. enter piston upper chamber 2. in.Valve disc 1 has sealing surface 4. 1. to coordinate with the valve seat of valve body 5 to play seal action.As Fig. 4, Fig. 7 and shown in Figure 8, piston 3 lower thread are connected with valve disc 1, and 7. piston 3 tops are provided with pin-and-hole.When post means 4 moves down, insert pin-and-hole 7. in its sealing, thereby the closed piston epicoele 2. with the passage of low pressure area pipeline
Prevent 2. mesohigh water pressure release of piston upper chamber, its effect is to play balance valve disc pressure, reduces the operation driving force.
The control valve process:
The closure valve control switch, magnetic clutch 13 engagements are connected pinion shaft 12 with retarder 14.Gearwheel 10, handwheel 11, pinion shaft 12, magnetic clutch 13 and retarder 14 together rotate with motor 15, and valve rod 2 is also done accordingly thereupon and moved up and down due to the restriction of slide block 9, i.e. valve opening or close.When the valve control switch disconnected, magnetic clutch 13 disconnected, and pinion shaft 12 also just disconnects with retarder 14.At this moment can come control valve open accordingly or close by rotating handwheel 11.
The working procedure of valve inner is as follows:
Open the valve process:
The valve process is opened in water inlet:
Open the front state of valve: valve rod 2 is in top dead center position.7. the pin of post means 4 breaks away from piston pin hole, and 7. piston pin hole is in opening state.Valve disc 1 bottom is high pressure sea water.4. 1. closure, piston 3 sealing surfaces are 5. 6. closed with valve rod 2 sealing surfaces with valve body 5 sealing surfaces for valve disc 1 sealing surface.This moment, there was the gap of 5mm-10mm at valve rod 2 head end and the inner recess of valve disc 1 place.
Opening process: electronic or manually for valve rod 2 provides power, the pressure that valve rod 2 first overcomes outside seawater moves downward along piston 3 inwalls, this moment, driving force only need overcome the pressure that outside seawater produces valve rod 2 sectional areas.5. 6. this motion open valve rod 2 sealing surfaces with piston 3 sealing surfaces, seawater successively along valve rod 2 head flow path grooves 10., the sealing surface opened 5. 6. with the flow path groove at valve rod 2 middle parts 8. enter piston upper chamber 2. in.The moving down of valve rod 2 drives the post means 4 connect firmly and moves down, and insert piston 3 pin-and-holes 7. in, the packed-piston pin-and-hole prevents from being incorporated into the external high pressure water pressure release 2. of piston 3 epicoeles.Opening process mesohigh seawater eroding produces downward power at piston 3 upper surfaces, balance most of external high pressure seawater active force that makes progress that valve disc 1 is produced.Valve rod 2 moves downward continuously, promotes valve disc 1, piston 3 is downward, until valve is opened fully.
The valve process is opened in water outlet:
Open the front state of valve: valve rod 2 is in top dead center position.7. the pin of post means 4 breaks away from piston pin hole, and 7. piston pin hole is in opening state.Valve disc 1 top is high pressure water, and valve disc 1 top hydraulic pressure exceeds a certain value of bottom hydraulic pressure.4. 1. closure, piston 3 sealing surfaces are 5. 6. closed with valve rod 2 sealing surfaces with valve body 5 sealing surfaces for valve disc 1 sealing surface.
Opening process: from water inlet open the valve process different be because valve disc 1 upper pressure is bigger, and pressure reduction is little, only need provide less power just can open valve.Valve disc 1, the suffered hydraulic pressure of piston 3 are made a concerted effort downwards.Electronic or manually for valve rod 2 provides power, when valve rod 2 moved downward, valve disc 1, piston 3 also together moved downward, this moment valve rod 2 sealing surfaces 6., piston 3 sealing surfaces are 5. still closed.Valve rod 2, valve disc 1, piston 3 move downward continuously until valve is opened fully.
Close the valve process:
The water inlet closing process:
Close the front state of valve: valve is in opening state.Valve disc 1 bottom hydraulic pressure is a little more than top hydraulic pressure.5., 6. sealing surface is in opening state.7. pin-and-hole is in closed condition, and piston cavity is 2. interior identical with the external sea water pressure.
Closing process: electronic or manually provide power for valve rod 2, valve rod 2 drives valve disc 1 and piston 3 moves upward, and at this moment, 5., 6. sealing surface may be in opens or closed condition, therefore, piston 3 epicoeles 2. in water or 8. flow out or 7. flow out by pin-and-hole on piston 3 by valve rod 2 flow path grooves.Until valve disc 1 sealing surface 4. with after 1. valve body 5 sealing surfaces contact sealing, valve rod 2 continue to move upward until piston 3 sealing surfaces 5. with the 6. also sealing fully of valve rod 2 sealing surfaces.This moment post means 4 extract pin-and-hole 7., piston upper chamber 2. with low pressure area
Pipeline communicates, and make low-pressure water act on piston 3 upper surfaces, and extraneous high pressure water acts on valve disc 1 lower surface, and both produce upwards larger effect and make a concerted effort, thereby promote valve disc 1 and valve rod 2, makes sealing surface 4., 1. and 5., 6. better sealed.
The water outlet closing process:
Close the front state of valve: valve is in opening state.Valve disc 1 bottom hydraulic pressure is a little less than top hydraulic pressure.5., 6. sealing surface is in closed condition.7. pin-and-hole is in opening state, and piston cavity is 2. interior identical with inside water pressure.
Closing process: electronic or manually for valve rod 2 provides power, valve rod 2 drives valve discs 1 and piston 3 moves upward.At this moment, 5., 6. sealing surface may be in opens or closed condition, therefore, and water or 8. flow out or 7. flow out by pin-and-hole on piston 3 by valve rod 2 flow path grooves in piston 3 epicoeles.Until valve disc 1 sealing surface 4. with after 1. valve body 5 sealing surfaces contact sealing, valve rod 2 continue to move upward until piston 3 sealing surfaces 5. with the 6. also sealing fully of valve rod 2 sealing surfaces.This moment post means 4 extract pin-and-hole 7., piston upper chamber 2. with low pressure area
Pipeline communicates.After sealing fully, pipeline pressure release in existing zone of high pressure, low-pressure water acts on again piston 3 upper surfaces, and extraneous high pressure water acts on valve disc 1 lower surface, both produce upwards larger effect and make a concerted effort, thereby promote valve disc 1 and valve rod 2, make sealing surface 4., 1. and 5., 6. better sealed.
Claims (3)
1. the maritime stop valve of the large degree of depth of electric and manual manipulation acting semi-balance, it is characterized in that: comprise valve disc, valve rod, piston, post means, valve body, valve gap, slide block, gear, handwheel, magnetic clutch, retarder, motor, described gear comprises gearwheel and small gear, piston is connected with valve disc, piston and valve disc all are positioned at valve body, valve gap is connected with valve body, one end of valve rod is positioned at valve disc, the other end is connected with gearwheel, gearwheel and small gear engagement, handwheel, magnetic clutch is connected with small gear respectively, motor connects magnetic clutch by retarder, post means is fixed on valve rod, has through hole on piston, consists of piston cavity between piston, valve gap and valve body, and valve rod drives post means and moves up and down, thereby post means is inserted the through hole of extracting on piston, makes piston cavity be communicated with external pressure and interior pressure, slide block is arranged in valve gap, and slide block connects valve rod and limits displacement to axial and the rotation of valve rod.
2. the maritime stop valve of the large degree of depth of electric and manual manipulation acting semi-balance according to claim 1, it is characterized in that: between valve gap and valve rod, stuffing box packing is installed, Gland compresses stuffing box packing.
3. the maritime stop valve of the large degree of depth of electric and manual manipulation acting semi-balance according to claim 1 and 2, it is characterized in that: described head and the middle part that is positioned at the valve rod of valve disc one side all has flow path groove, and the valve disc bottom is provided with the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110328890 CN102384300B (en) | 2011-10-26 | 2011-10-26 | Electric-manual double-acting semi-balance large-depth sea suction stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110328890 CN102384300B (en) | 2011-10-26 | 2011-10-26 | Electric-manual double-acting semi-balance large-depth sea suction stop valve |
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| Publication Number | Publication Date |
|---|---|
| CN102384300A CN102384300A (en) | 2012-03-21 |
| CN102384300B true CN102384300B (en) | 2013-05-08 |
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| CN 201110328890 Expired - Fee Related CN102384300B (en) | 2011-10-26 | 2011-10-26 | Electric-manual double-acting semi-balance large-depth sea suction stop valve |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103015949B (en) * | 2012-12-18 | 2017-05-24 | 陕西航天泵阀科技集团有限公司 | Gas well gas production tree |
| CN103791102B (en) * | 2013-05-13 | 2016-01-27 | 哈尔滨工程大学 | The latent kingston valve of a kind of hydraulic pressure |
| CN103912687B (en) * | 2014-03-12 | 2016-05-04 | 哈尔滨工程大学 | The large dark anti-leak double containment pilot-operated type kingston valve of diving |
| CN103899775B (en) * | 2014-03-19 | 2016-03-09 | 哈尔滨工程大学 | Hydraulic self-locking kingston valve |
| CN107339442A (en) * | 2017-07-19 | 2017-11-10 | 武汉武船机电模块有限责任公司 | A kind of kingston valve |
| CN107300020A (en) * | 2017-07-19 | 2017-10-27 | 武汉武船机电模块有限责任公司 | A kind of electro-hydraulic hull valve |
| CN109482594B (en) * | 2018-12-29 | 2024-03-12 | 杭州耐特阀门股份有限公司 | Scar poking device for alumina settling tank |
| CN113803472A (en) * | 2021-08-19 | 2021-12-17 | 九江中船消防设备有限公司 | High-strength and high-toughness copper alloy sea valve and valve body detection method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166605A (en) * | 1966-10-10 | 1969-10-08 | Margaret Gulland Dixon | Improvements in and relating to a Hydraulically Operated Valve |
| CN2600657Y (en) * | 2002-09-29 | 2004-01-21 | 张振海 | High-pressure right-angle straight stop throttle valve |
| CN101418873A (en) * | 2008-11-26 | 2009-04-29 | 沈阳三三牌阀门制造有限责任公司 | Main stopping valve for supercharged steam generator |
| CN201909083U (en) * | 2010-12-30 | 2011-07-27 | 恒和嘉华科技有限公司 | Sea bottom valve arranged at bottom of storage tank |
| CN202392249U (en) * | 2011-10-26 | 2012-08-22 | 哈尔滨工程大学 | Electric and manual double-effect type semi-balance large-depth Kingston stop valve |
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2011
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| CN102384300A (en) | 2012-03-21 |
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