CN102384300A - 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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- CN102384300A CN102384300A CN2011103288905A CN201110328890A CN102384300A CN 102384300 A CN102384300 A CN 102384300A CN 2011103288905 A CN2011103288905 A CN 2011103288905A CN 201110328890 A CN201110328890 A CN 201110328890A CN 102384300 A CN102384300 A CN 102384300A
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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 exploration field, a kind of deep-sea.
Background technique
Current development in science and technology is had higher requirement for operations involving high pressure, deep-sea exploration.Break-make like dive device pressure-resistant cabin and seawater realizes that through the control kingston valve each state is all at the development bathyscaphe especially now, and submerged depth is intensification gradually also, and a safe and reliable valve plays important role 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.Proper functioning still is that urgency all will guarantee the normal open and close of valve.Along with the intensification of the degree of depth is also increasingly high to the performance requirement of valve.
Old-fashioned maritime stop valve does not have the internal and external pressure balance device, when deep ocean work, because the pressure ratio of the extraneous seawater of valve is bigger, 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 in the deep-sea, open the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance easy, reliable in action.
The objective of the invention is to realize like this:
The maritime stop valve of the big degree of depth of electric and manual manipulation double action half 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, and piston links to each other with valve disc, and piston and valve disc all are positioned in the valve body; Valve gap links to each other with valve body; One end of valve rod is positioned in the valve disc, the other end links to each other with gearwheel, and gearwheel, handwheel, magnetic clutch link to each other with small gear respectively, and motor connects magnetic clutch through retarder.
The present invention can also comprise:
1, also comprise post means, post means is fixed on the valve rod, has through hole on the piston; Constitute piston cavity between piston, valve gap and the valve body; Valve rod drives post means and moves up and down, thereby the through hole on the piston is extracted in the post means insertion, makes piston cavity be communicated with external pressure and interior pressure.
2, between valve gap and the valve rod stuffing box packing is installed, Gland compresses stuffing box packing.
3, also comprise slide block, slide block is installed in the valve gap, and slide block connects valve rod and limits the 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 the 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 the double-sealing face structural design simultaneously, 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 an 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 a valve disc position partial enlarged drawing;
Fig. 8 is a post means position partial enlarged drawing.
Embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～8, the present invention includes 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 is as shown in Figure 1; Motor 15 connection reducers 14, retarder 14 connect that magnetic clutchs 13, magnetic clutch 13 connect pinion shafts 12, pinion shaft 12 is connecting handwheel 11, and handwheel 11, pinion shaft 12, magnetic clutch 13, retarder 14, motor 15 are connected on the 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 and valve rod 2 cooperate through trapezoidal thread.Like Fig. 1,5, shown in 6; The slide block 9 inboard keys that pass through cooperate with valve rod 2;
picked up the ears in slide block 9 outsides to be inserted in the valve gap 6 both sides bracket grooves
; Slide block 9 rotation (when gearwheel 10 rotates that limited valve rod 2 like this; Valve rod 2 can only move up and down), the power of rotation is converted into the power that moves up and down.Valve body 5 is a right-angle type, through the flange connections road.Valve body 5 mainly by valve seat 1., 2. piston cavity partly constitute (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 cooperate with the valve stem seal face to seal.Piston 3 cooperates 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 and increased the internal piston pressure effect of letting out.Valve rod 2 can drive valve disc 1, piston 3 moves up and down.On valve rod 2, be manufactured with the middle part flow path groove 8.; According to the working state demand; 3. high pressure sea water can be got into and 10. 8. got into 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 acts on piston upper surface, makes the upper piston cavity pressure equate with high pressure sea water pressure; It is poor to have reduced the valve disc external and internal pressure, is 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 pin 4 relative pistons 3 and moves downward a little stroke; Make post means 4 insert piston holes 7. in; Seal up the upper piston chamber 2.,, regulate pressure balance and be convenient to out valve so that utilize extraneous high pressure water to act on the piston; During throttle down; Valve rod 2 drives valve discs 1, piston 3 moves upward, and 7. the pin 4 relative pistons 3 little stroke that moves upward is extracted from piston hole; So that the inner high voltage water pressure release of upper piston chamber produces the next better throttle down of power upwards thereby utilize high pressure water to act on the valve disc bottom.Valve gap 6 has stuffing box, and filler 7 cooperates with valve rod 2 and seals in the stuffing box.
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 the double-sealing face structural design simultaneously, the sealing direction is consistent, can guarantee simultaneously sealing fully.Simple in structure, reliable in action is opened easily.Special starting stage at valve opening; Pin 4 relative pistons 3 move downward a little stroke and insert piston hole and seal 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; A move upward little stroke and extract piston hole 7. of post means 4 relative pistons 3; Make piston upper chamber 2. communicate, can lay down the active force of high pressure water piston 3 with low pressure area
.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 the physical environment, so on valve disc 1, made, offered a plurality of flow path grooves on the valve rod 2 than large through-hole, can prevent further that like this silt and other impurity from stopping up runner, makes the valve working safety and reliability.
This valve is the right angle valve, and 1. the valve seat that is positioned at valve body 5 corners is one with valve body 5.9. valve rod 2 heads go deep into valve disc 1 inside.Piston 3 passes through spiral marking connection with valve disc 1, 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 that valve disc 1 and piston 3 are formed, move distance is about 5mm～10mm.Post means 4 is half and half two body components, and is fastening on valve rod 2 through bolt clip.Valve rod 2 drives post means 4 and moves up and down, the through hole that this little stroke of post means 4 above-mentioned 5mm～10mm capable of using inserted, extracted piston 3 7., thereby 2. the control piston chamber is communicated with external pressure and interior pressure, thereby realize the keying operation pressure balance of valve.Valve gap 6 is connected with valve body 5 through bolt.Valve gap 6 is made of one with stuffing box.Be filled with stuffing box packing 7 in the stuffing box, and it compressed by Gland 8.Slide block 9 is picked up the ears
to be inserted in valve gap 6 bracket grooves
, has limited the rotation of slide block 9.Slide block 9 is being connected with valve rod 2 with key through 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.
Like 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 are formed 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.Like 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 got in the 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. get into piston upper chamber 2. in.Valve disc 1 has sealing surface 4. 1. to cooperate with the valve seat of valve body 5 to play seal action.Like 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; It is 7. interior with its sealing to insert pin-and-hole; Thereby 2. the closed piston epicoele prevents 2. mesohigh water pressure release of piston upper chamber with the passage
of low pressure area pipeline; 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 because the restriction of slide block 9 is also done accordingly moves up and down thereupon, i.e. valve opening or close.When the valve control switch broke off, magnetic clutch 13 broke off, and pinion shaft 12 also just breaks off with retarder 14.At this moment can come control valve to open accordingly or close through rotating handwheel 11.
The working procedure of valve inner is following:
Open the valve process:
The valve process is opened in water inlet:
Open the preceding 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 a high pressure sea water.Valve disc 1 sealing surface is 4. 1. closed with valve body 5 sealing surfaces, piston 3 sealing surfaces are 5. 6. closed with valve rod 2 sealing surfaces.This moment, there was the gap of 5mm-10mm at valve rod 2 head end and valve disc 1 inner recess place.
Opening process: electronic or manually for valve rod 2 power is provided, the pressure that valve rod 2 overcomes outside seawater earlier moves downward along piston 3 inwalls, and this moment, driving force only need overcome the pressure that outside seawater is produced 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. get into 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 to be 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, opens fully up to valve.
The valve process is opened in water outlet:
Open the preceding 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.Valve disc 1 sealing surface is 4. 1. closed with valve body 5 sealing surfaces, piston 3 sealing surfaces are 5. 6. closed with valve rod 2 sealing surfaces.
Opening process: with 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, piston 3 suffered hydraulic pressure are made a concerted effort downwards.Electronic or manually for valve rod 2 power is provided, 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 up to valve continuously and open fully.
Close the valve process:
Closed procedure is closed in water inlet:
Close the preceding 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.
Close closed procedure: electronic or manually power is provided for valve rod 2; Valve rod 2 drives valve disc 1 and moves upward with piston 3, and at this moment, 5., 6. sealing surface possibly be in opens or closed condition; Therefore, piston 3 epicoeles 2. in water or 8. flow out or 7. flow out through pin-and-hole on the piston 3 by valve rod 2 flow path grooves.Treat valve disc 1 sealing surface 4. with valve body 5 sealing surfaces 1. after the contact seal, valve rod 2 continue to move upward up to piston 3 sealing surfaces 5. with the 6. also sealing fully of valve rod 2 sealing surfaces.This moment, 7. post means 4 extracted pin-and-hole; 2. piston upper chamber communicates with low pressure area
pipeline; Make low-pressure water act on piston 3 upper surfaces; And extraneous high pressure water acts on valve disc 1 lower surface; Both produce upwards bigger 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.
Closed procedure is closed in water outlet:
Close the preceding 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.
Close closed procedure: electronic or manually for valve rod 2 power is provided, valve rod 2 drives valve discs 1 and piston 3 moves upward.At this moment, 5., 6. sealing surface possibly be in opens or closed condition, therefore, and water or 8. flow out or 7. flow out in piston 3 epicoeles through pin-and-hole on the piston 3 by valve rod 2 flow path grooves.Treat valve disc 1 sealing surface 4. with valve body 5 sealing surfaces 1. after the contact seal, valve rod 2 continue to move upward up to piston 3 sealing surfaces 5. with the 6. also sealing fully of valve rod 2 sealing surfaces.This moment, 7. post means 4 extracted pin-and-hole, and 2. piston upper chamber communicates with low pressure area
pipeline.After sealing fully, pipeline pressure release in the existing zone of high pressure, low-pressure water acts on piston 3 upper surfaces again; And extraneous high pressure water acts on valve disc 1 lower surface; Both produce upwards bigger 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 (9)
1. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half 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, and piston links to each other with valve disc, and piston and valve disc all are positioned in the valve body; Valve gap links to each other with valve body; One end of valve rod is positioned in the valve disc, the other end links to each other with gearwheel, and gearwheel, handwheel, magnetic clutch link to each other with small gear respectively, and motor connects magnetic clutch through retarder.
2. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 1; It is characterized in that: comprise that also post means, post means are fixed on the valve rod, have through hole on the piston; Constitute piston cavity between piston, valve gap and the valve body; Valve rod drives post means and moves up and down, thereby the through hole on the piston is extracted in the post means insertion, makes piston cavity be communicated with external pressure and interior pressure.
3. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 1 and 2, it is characterized in that: between valve gap and the valve rod stuffing box packing is installed, Gland compresses stuffing box packing.
4. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 1 and 2 is characterized in that: comprise that also slide block, slide block are installed in the valve gap, slide block connects valve rod and limits the displacement to axial and the rotation of valve rod.
5. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 3 is characterized in that: comprise that also slide block, slide block are installed in the valve gap, slide block connects valve rod and limits the displacement to axial and the rotation of valve rod.
6. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 1 and 2 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.
7. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 3 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.
8. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 4 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.
9. the maritime stop valve of the big degree of depth of electric and manual manipulation double action half balance according to claim 5 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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| CN102384300A true CN102384300A (en) | 2012-03-21 |
| CN102384300B 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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Cited By (8)
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| CN103015949A (en) * | 2012-12-18 | 2013-04-03 | 陕西航天泵阀科技集团有限公司 | Gas well gas production tree |
| CN103791102A (en) * | 2013-05-13 | 2014-05-14 | 哈尔滨工程大学 | Hydraulic submersible sea valve |
| CN103899775A (en) * | 2014-03-19 | 2014-07-02 | 哈尔滨工程大学 | Hydraulic self-locking type kingston valve |
| CN103912687A (en) * | 2014-03-12 | 2014-07-09 | 哈尔滨工程大学 | Large submergence depth leak prevention double seal pilot-operated type sea suction 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 |
| 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 |
| CN109482594A (en) * | 2018-12-29 | 2019-03-19 | 杭州耐特阀门股份有限公司 | It is a kind of to disclose scar device for aluminum oxide settling bath |
| 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015949A (en) * | 2012-12-18 | 2013-04-03 | 陕西航天泵阀科技集团有限公司 | Gas well gas production tree |
| CN103791102A (en) * | 2013-05-13 | 2014-05-14 | 哈尔滨工程大学 | Hydraulic submersible sea valve |
| 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 |
| CN103912687A (en) * | 2014-03-12 | 2014-07-09 | 哈尔滨工程大学 | Large submergence depth leak prevention double seal pilot-operated type sea suction valve |
| 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 |
| CN103899775A (en) * | 2014-03-19 | 2014-07-02 | 哈尔滨工程大学 | Hydraulic self-locking type 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 |
| 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 |
| CN109482594A (en) * | 2018-12-29 | 2019-03-19 | 杭州耐特阀门股份有限公司 | It is a kind of to disclose scar device for aluminum oxide settling bath |
| 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 |
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| CN102384300B (en) | 2013-05-08 |
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