CN102720880A - Multi-turn fluid drive actuator for stop valve in ballast cabin - Google Patents
Multi-turn fluid drive actuator for stop valve in ballast cabin Download PDFInfo
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- CN102720880A CN102720880A CN2012102347309A CN201210234730A CN102720880A CN 102720880 A CN102720880 A CN 102720880A CN 2012102347309 A CN2012102347309 A CN 2012102347309A CN 201210234730 A CN201210234730 A CN 201210234730A CN 102720880 A CN102720880 A CN 102720880A
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- locking screw
- screw rod
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Abstract
The invention relates to a multi-turn fluid drive actuator for a stop valve in a ballast cabin. The multi-turn fluid drive actuator comprises a fluid drive motor, a driving bevel gear driven by the fluid drive motor, a driven bevel gear engaged with the driving bevel gear, a rotary nut rotating synchronously with the driven bevel gear, and a self-lock screw in thread connection with the rotary nut. The multi-turn fluid drive actuator also comprises a first limit part for limiting the lifting of the rotary nut and a second limit part for limiting the rotation of the self-lock screw, wherein the self-lock screw is connected with a valve rod for driving the opening and closing of a stop valve in a ballast cabin. The multi-turn fluid drive actuator for a stop valve in a ballast cabin does not need to compensate pressure, and is safe to use.
Description
Technical field
The present invention relates to a kind of final controlling element that surges of opening or closing stop valve in the seagoing vessel ballast tank.
Background technique
Along with development of science and technology with to the requirement of automatic control; And large-scale seagoing vessel ballast tank often will pour into the characteristics of seawater; Stop valve or gate valve that ballast tank is inboard; Usually through the hydraulic remotely-controlled opening and closing (under the situation of seawater immersion, the crewman can't get in the cabin because of ballast tank, and the moving local operation of armrest can't be realized opening or throttle down) that realize valve.
In order to realize hydraulicefficiency telecontrol, present technology is that straight journey piston-type hydro compressing cylinder is installed on the valve rod of stop valve or gate valve, move up and down through the valve plate that drives valve that moves up and down of controlling hydraulic jack, thus the opening and closing of realization valve.Fig. 1 is the structural representation of existing stop valve with the final controlling element that surges; This surges in the final controlling element; Piston 2 and piston rod 3 through be threaded, valve rod 5 and valve plate 6 be through being threaded, piston rod 3 is connected through coupling 4 with valve rod 5, when to hydraulic jack 1 epicoele input high-pressure and hydraulic oil; High-pressure and hydraulic oil promotion piston 2 drives piston rod 3, coupling 4, valve rod 5 and the final valve plate 6 that drives simultaneously and moves down, and final plant closure is contained in the valve in the stop valve 7.
But; This control mode exists a great defective: hydraulic jack is when closing (or unlatching) valve; Hydraulic jack has been full of high-pressure and hydraulic oil in a side of piston, can satisfy Driving force when closing (or unlatching) valve (remarks: stop valve particularly, the low in and high out often of the direction of flowing medium the short time; Need enough cylinder thrusts could satisfy the closed condition of valve plate in the valve, not so valve plate can be pushed open by the pressure of pipeline medium).Because the tiny leakage property characteristics of hydraulic jack and hydraulic control component; Along with the valve closing prolongation of (or unlatching) back time; Hydraulic jack can progressively descend at the oil pressure of the instinct high-pressure and hydraulic oil of piston one side; Thereby the thrust that hydraulic jack acts on the valve plate descends thereupon, and after thrust dropped to a critical value, the valve plate of valve will be pushed open by ducted pressure medium.This reason just, present technology is in the hydraulicefficiency telecontrol system, the ftercompction function to be arranged, and could satisfy long-term the closing of valve (or opening) requirement; And ftercompction often is cumbersome; And if under the state of emergency, hydraulic system is out of order or power supply loses; This ftercompction function will be lost, and has great potential safety hazard.
Summary of the invention
In order to solve the problems referred to above that the inboard stop valve of existing seagoing vessel ballast tank exists with the final controlling element that surges, the present invention provides a kind of stop valve that need not in ftercompction, the ballast tank safe in utilization with turning round the final controlling element that surge more.
The present invention adopts following technological scheme:
Stop valve with the final controlling element that surge that turn round more in the ballast tank; Comprise fluid motor, drive bevel gear, driven wheel of differential, swivel nut, the self-locking screw rod that is threaded with swivel nut with driven wheel of differential rotation synchronously with the drive bevel gear engagement by the fluid motor driving; The said final controlling element that surges that turns round also comprises first bounding means that limits said swivel nut up-down and limits second bounding means that said self-locking screw rod rotates that said self-locking screw rod is connected with the valve rod that drives the interior stop valve switching of ballast tank more.
As preferred a kind of scheme: said drive bevel gear, driven wheel of differential, swivel nut, self-locking screw are in seal casinghousing, and said valve rod stretches out said seal casinghousing, are provided with seal ring between valve rod and the seal casinghousing.
Said seal casinghousing comprises recline fixing cog casing and lower gear casing; The said casing that cogs connects support through first and connects fluid motor; The said casing top that cogs is provided with capping; Said lower gear casing connects support through second and connects a sealing cover, and said valve rod stretches out said sealing cover, is provided with said seal ring between valve rod and the sealing cover.
Said lower gear casing is connected with second and is fixedly connected with said second bounding means between the support; Said second bounding means is sleeved on the self-locking screw rod; This second bounding means has the through hole that supplies the self-locking screw rod to pass; Said self-locking screw rod has longitudinal profile, and the through hole of second bounding means cooperates with the outer rim of self-locking screw rod.Like this, the self-locking screw rod can not rotate under the barrier effect of the through hole of second bounding means, can only move up and down.
Said second bounding means upper end is fixedly connected with support block, and on this support block, said casing and the support block of cogging constitutes said first bounding means to said swivel nut through Bearing Installation.Like this, swivel nut is installed in and cogs between casing and the support block, can only rotate, and can't move up and down.
The output shaft of said fluid motor connects the fluid motor transmission shaft, and said fluid motor transmission shaft is through coupling connection gear transmission shaft, and said gear transmission shaft is fixedly connected with drive bevel gear; Said fluid motor transmission shaft, coupling, gearing shaft are positioned at said seal casinghousing.
Said self-locking screw rod has two relative longitudinal profiles, and said through hole presents the waist shape that cooperates with self-locking screw rod outer rim.
As preferred another kind of scheme: said drive bevel gear, driven wheel of differential, swivel nut are contained in the non-pressurized body.
The output shaft of said fluid motor connects the fluid motor transmission shaft, and said fluid motor transmission shaft is through coupling connection gear transmission shaft, and said gear transmission shaft is fixedly connected with drive bevel gear; Said fluid motor transmission shaft, coupling, gearing shaft are positioned at said non-pressurized body.
Preferably, said self-locking screw rod and valve rod are structure as a whole.
Technical conceive of the present invention is: to fluid motor input high-pressure and hydraulic oil, drive the rotation of fluid motor transmission shaft, through coupling driven gear transmission shaft and drive bevel gear rotation; Drive bevel gear drives the driven wheel of differential rotation, the rotation of driven wheel of differential driven rotary nut, and first bounding means makes swivel nut to rotate; Can't move up and down, and second bounding means makes the self-locking screw rod to rotate, so when driven wheel of differential driven rotary nut rotates; Swivel nut can only rotate and the self-locking screw rod can only move up and down; Like this, the self-locking screw rod drives the valve rod that drives the stop valve switching and moves up and down, and finally realizes the opening and closing of stop valve.Because screw rod has self-locking performance, in that do not have under the hydraulic pressure oil condition also can self-locking, so need not ftercompction, what solved that present hydraulicefficiency telecontrol technical field exists needs ftercompction, uses unsafe problem.
Beneficial effect of the present invention is: provide a kind of stop valve that need not in ftercompction, the ballast tank safe in utilization with turning round the final controlling element that surge more.
Description of drawings
Fig. 1 is the structural representation that stop valve is used the final controlling element that surges in the existing ballast tank.
Fig. 2 is the structural representation of the embodiment of the invention.
Fig. 3 is second bounding means of the embodiment of the invention and the schematic representation that cooperates of self-locking screw rod.
Fig. 4 is that the present invention is applied in the scheme of installation on the submergence stop valve (high position).
Fig. 5 is the right elevation of Fig. 4.
Fig. 6 is that the present invention is applied in the scheme of installation on the submergence stop valve (low level).
Fig. 7 is the right elevation of Fig. 6.
Fig. 8 is the A portion enlarged view of Fig. 6.
Fig. 9 is that the present invention is applied in the scheme of installation on the dry type stop valve.
Figure 10 is the right elevation of Fig. 9.
Drawing reference numeral: 1, hydraulic jack; 2, piston; 3, piston rod; 4, coupling; 5, valve rod; 6, valve plate; 7, stop valve; 11, fluid motor; 12, drive bevel gear; 13, driven wheel of differential; 14, swivel nut; 15, self-locking screw rod; 16, longitudinal profile; 17, fluid motor transmission shaft; 18, support block; 19, gear transmission shaft; 20, seal ring; 21, the casing that cogs; 22, lower gear casing; 23, first connects support; 24, capping; 25, second connects support; 26, sealing cover; 27, second bounding means; 271, through hole; 30, the final controlling element that surge that turn round more; 31, self-lock rod; 32, valve position display device; 33, open type support; 34, sealed cylindrical.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Embodiment one
With reference to Fig. 2-3: stop valve with turning round the final controlling element that surge more in the ballast tank; Comprise fluid motor 11, drive bevel gear 12, driven wheel of differential 13, swivel nuts 14, the self-locking screw rod 15 that is threaded with swivel nut 14 with driven wheel of differential 13 rotation synchronously with drive bevel gear 12 engagements by fluid motor 11 drivings; The said final controlling element that surges that turns round also comprises first bounding means that limits said swivel nut 14 up-downs and limits second bounding means 27 that said self-locking screw rod 15 rotates that said self-locking screw rod 15 is connected with the valve rod 5 that drives the interior stop valve switching of ballast tank more.In the present embodiment, self-locking screw rod 15 is structure as a whole with valve rod 5.
Concrete, the output shaft of said fluid motor 11 connects fluid motor transmission shaft 17, and said fluid motor transmission shaft 17 is through coupling 4 connection gear transmission shafts 19, and said gear transmission shaft 19 is fixedly connected with drive bevel gear 12.Said fluid motor transmission shaft 17, coupling 4, gearing shaft 19, drive bevel gear 12, driven wheel of differential 13, swivel nut 14, self-locking screw rod 15 are contained in the seal casinghousing; The valve rod 5 of said stop valve stretches out said seal casinghousing, is provided with seal ring 20 between valve rod 5 and the seal casinghousing.
Concrete; Said seal casinghousing comprises recline fixing cog casing 21 and lower gear casing 22; The said casing 21 that cogs connects support 23 through first and connects fluid motor 11, and said casing 21 tops that cog are provided with capping 24, and said lower gear casing 22 connects support 25 through second and connects a sealing cover 26; The valve rod 5 of said stop valve stretches out said sealing cover 26, is provided with said seal ring 20 between valve rod 5 and the sealing cover 26.Said gearing shaft 19 is connected with the casing 21 that cogs through bearing, and said driven wheel of differential 13 is connected with the casing 21 that cogs through bearing.
Said lower gear casing 22 is connected with second and is fixedly connected with said second bounding means 27 between the support 25; Said second bounding means 27 is sleeved on the self-locking screw rod 15; This second bounding means 27 has the through hole 271 that supplies self-locking screw rod 15 to pass; The through hole 271 that said self-locking screw rod 15 has longitudinal profile 16, the second bounding meanss 27 cooperates with the outer rim of self-locking screw rod 15.In the present embodiment, said self-locking screw rod 15 has former and later two relative longitudinal profiles 16, and said through hole 271 presents the waist shape that cooperates with self-locking screw rod 15 outer rims.Like this, self-locking screw rod 15 can not rotate under the barrier effect of the through hole 271 of second bounding means 27, can only move up and down.
Said second bounding means 27 upper ends are fixedly connected with support block 18, and on this support block 18, the said casing 21 that cogs constitutes said first bounding means with support block 18 to said swivel nut 14 through Bearing Installation.Like this, swivel nut 14 is installed in and cogs between casing 21 and the support block 18, can only rotate, and can't move up and down.
The working principle of present embodiment: to fluid motor 11 input high-pressure and hydraulic oil, drive 17 rotations of fluid motor transmission shaft, through coupling 4 driven gear transmission shafts 19 and drive bevel gear 12 rotations; Drive bevel gear 12 drives driven wheel of differential 13 rotations; 14 rotations of driven wheel of differential 13 driven rotary nuts, first bounding means makes swivel nut 14 to rotate, and can't move up and down; And second bounding means 27 makes self-locking screw rod 15 to rotate; So when the rotation of driven wheel of differential 13 driven rotary nuts 14, swivel nut 14 can only rotate and self-locking screw rod 15 can only move up and down, like this; The valve rod 5 that self-locking screw rod 15 drives stop valve moves up and down, and finally realizes the opening and closing of stop valve.Because screw rod has self-locking performance, in that do not have under the hydraulic pressure oil condition also can self-locking, so need not ftercompction, what solved that present hydraulicefficiency telecontrol technical field exists needs ftercompction, uses unsafe problem.
Embodiment two
Fig. 4-the 5th, present embodiment are applied in the scheme of installation on the submergence stop valve (high position).Among Fig. 4; Final controlling element 30 is installed on the submergence stop valve because many revolutions are surged; So parts such as fluid motor transmission shaft 17, coupling 4, gearing shaft 19, drive bevel gear 12, driven wheel of differential 13, swivel nut 14, self-locking screw rod 15 must be contained in the seal casinghousing; Present embodiment is with embodiment one difference: said self-locking screw rod 15 is connected the valve rod 5 of stop valve 7 through self-lock rod 31; Self-lock rod 31 stretches out from the sealing cover 26 of said seal casinghousing, is provided with seal ring 20 between self-lock rod 31 and the sealing cover 26, and said self-lock rod 31 connects valve rod 5 through coupling 4.Self-lock rod 31 also can be arranged to integrative-structure with valve rod 5, can reduce whole height like this.The security level of present embodiment reaches IP68.
In the present embodiment, said coupling 4 is provided with valve position display device 32.Be connected through open type support 33 between final controlling element 30 and the stop valve 7 because many revolutions are surged, so this valve position display device 32 can be in sight.
When final controlling element 30 installations were surged in many revolutions of present embodiment, setting angle can be the running shaft rotation with self-lock rod 31 according to actual conditions.
Embodiment three
Fig. 6-the 8th, present embodiment are applied in the scheme of installation on the submergence stop valve (low level).Present embodiment is embodiment two a reduction height version.Present embodiment and embodiment's two difference is: after rotary screw 15 stretches out in second bounding means 27; Get into sealed cylindrical 34; Sealing cylinder 34 connects to turn round surge final controlling element 30 and stop valve 7 more, so can avoid the parts water inlet in the submergence stop valve; In the present embodiment, self-lock rod is not set, but, makes the submergence stop valve open and close, therefore can reduce whole height through self-locking screw rod 15 direct actuate valve stem; Said valve position display device 32 is contained in self-locking screw rod 15 tops, and stretches out from capping 24.
Embodiment four
Fig. 9-the 10th, present embodiment are applied in the scheme of installation on the dry type stop valve.Compare with embodiment two, the final controlling element 30 same open type supports 33 that pass through that surge that turn round are connected with stop valve 7 more.This embodiment and embodiment's two difference is: owing to be applied on the dry type stop valve; There is not the water inlet problem; Final controlling element 30 is non-enclosed structure so many revolutions are surged; Compare with seal casinghousing, the non-enclosed housings that turn round the final controlling element 30 that surges do not comprise that second connects support and sealing cover more, and self-locking screw rod 15 comes out from second bounding means 27, and the back is direct to be got in the open type support 33.
Valve position display device 32 is contained on the self-locking screw rod 15.Be connected through open type support 33 between final controlling element 30 and the stop valve 7 because many revolutions are surged, so this valve position display device 32 can be in sight.
The foregoing description only is enumerating of technical conceive way of realization of the present invention; Protection scope of the present invention is not limited only to the foregoing description, and protection scope of the present invention may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present invention.
Claims (10)
1. the interior stop valve of ballast tank with the final controlling element that surge that turn round more; It is characterized in that: comprise fluid motor, drive bevel gear, driven wheel of differential, swivel nut, the self-locking screw rod that is threaded with swivel nut with driven wheel of differential rotation synchronously with the drive bevel gear engagement by the fluid motor driving; The said final controlling element that surges that turns round also comprises first bounding means that limits said swivel nut up-down and limits second bounding means that said self-locking screw rod rotates that said self-locking screw rod is connected with the valve rod that drives the interior stop valve switching of ballast tank more.
2. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 1; It is characterized in that: said drive bevel gear, driven wheel of differential, swivel nut, self-locking screw are in seal casinghousing; Said valve rod stretches out said seal casinghousing, is provided with seal ring between valve rod and the seal casinghousing.
3. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 2; It is characterized in that: said seal casinghousing comprises recline fixing cog casing and lower gear casing; The said casing that cogs connects support through first and connects fluid motor, and the said casing top that cogs is provided with capping, and said lower gear casing connects support through second and connects a sealing cover; Said valve rod stretches out said sealing cover, is provided with said seal ring between valve rod and the sealing cover.
4. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 3; It is characterized in that: said lower gear casing is connected with second and is fixedly connected with said second bounding means between the support; Said second bounding means is sleeved on the self-locking screw rod; This second bounding means has the through hole that supplies the self-locking screw rod to pass, and said self-locking screw rod has longitudinal profile, and the through hole of second bounding means cooperates with the outer rim of self-locking screw rod.
5. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 4; It is characterized in that: said second bounding means upper end is fixedly connected with support block; On this support block, said casing and the support block of cogging constitutes said first bounding means to said swivel nut through Bearing Installation.
Like stop valve in the described ballast tank of one of claim 2-5 with turning round the final controlling element that surge more; It is characterized in that: the output shaft of said fluid motor connects the fluid motor transmission shaft; Said fluid motor transmission shaft is through coupling connection gear transmission shaft, and said gear transmission shaft is fixedly connected with drive bevel gear; Said fluid motor transmission shaft, coupling, gearing shaft are positioned at said seal casinghousing.
7. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 4, and it is characterized in that: said self-locking screw rod has two relative longitudinal profiles, and said through hole presents the waist shape that cooperates with self-locking screw rod outer rim.
8. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 1, and it is characterized in that: said drive bevel gear, driven wheel of differential, swivel nut are contained in the non-pressurized body.
9. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 9; It is characterized in that: the output shaft of said fluid motor connects the fluid motor transmission shaft; Said fluid motor transmission shaft is through coupling connection gear transmission shaft, and said gear transmission shaft is fixedly connected with drive bevel gear; Said fluid motor transmission shaft, coupling, gearing shaft are positioned at said non-pressurized body.
10. stop valve with the final controlling element that surge that turn round more in the ballast tank as claimed in claim 1, and it is characterized in that: said self-locking screw rod and valve rod are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102347309A CN102720880A (en) | 2012-07-06 | 2012-07-06 | Multi-turn fluid drive actuator for stop valve in ballast cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102347309A CN102720880A (en) | 2012-07-06 | 2012-07-06 | Multi-turn fluid drive actuator for stop valve in ballast cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102720880A true CN102720880A (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102347309A Pending CN102720880A (en) | 2012-07-06 | 2012-07-06 | Multi-turn fluid drive actuator for stop valve in ballast cabin |
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| Country | Link |
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| CN (1) | CN102720880A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012221A1 (en) * | 2012-07-17 | 2014-01-23 | Chen Huiming | Hydraulic spiral stop valve |
| CN109723895A (en) * | 2019-03-14 | 2019-05-07 | 徐州化工机械有限公司 | A kind of air motor executing agency with valve positioner |
| CN111219246A (en) * | 2020-02-19 | 2020-06-02 | 黄鸿源 | Movable low-noise generator set |
| CN117419203A (en) * | 2023-12-18 | 2024-01-19 | 中国科学院沈阳自动化研究所 | Hydraulic control sea water valve with adjustable opening |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB489350A (en) * | 1935-10-18 | 1938-07-22 | Butzke Bernhard Joseph A G F | Improvements in or relating to valves |
| US2964961A (en) * | 1959-06-11 | 1960-12-20 | Acf Ind Inc | Bevel gear operator |
| CN2384076Y (en) * | 1999-06-22 | 2000-06-21 | 顾云昌 | Multi-rotary valve hand-operating device |
| CN201412592Y (en) * | 2009-06-19 | 2010-02-24 | 常州市奇杰机电制造有限公司 | Valve manual driving device |
| CN202646870U (en) * | 2012-07-06 | 2013-01-02 | 杭州孚罗泰自控阀门制造有限公司 | Multi-turn hydraulic actuator for inner stop valve of ballast cabin |
-
2012
- 2012-07-06 CN CN2012102347309A patent/CN102720880A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB489350A (en) * | 1935-10-18 | 1938-07-22 | Butzke Bernhard Joseph A G F | Improvements in or relating to valves |
| US2964961A (en) * | 1959-06-11 | 1960-12-20 | Acf Ind Inc | Bevel gear operator |
| CN2384076Y (en) * | 1999-06-22 | 2000-06-21 | 顾云昌 | Multi-rotary valve hand-operating device |
| CN201412592Y (en) * | 2009-06-19 | 2010-02-24 | 常州市奇杰机电制造有限公司 | Valve manual driving device |
| CN202646870U (en) * | 2012-07-06 | 2013-01-02 | 杭州孚罗泰自控阀门制造有限公司 | Multi-turn hydraulic actuator for inner stop valve of ballast cabin |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012221A1 (en) * | 2012-07-17 | 2014-01-23 | Chen Huiming | Hydraulic spiral stop valve |
| CN109723895A (en) * | 2019-03-14 | 2019-05-07 | 徐州化工机械有限公司 | A kind of air motor executing agency with valve positioner |
| CN111219246A (en) * | 2020-02-19 | 2020-06-02 | 黄鸿源 | Movable low-noise generator set |
| CN111219246B (en) * | 2020-02-19 | 2021-09-03 | 伟能机电设备(深圳)有限公司 | Movable low-noise generator set |
| CN117419203A (en) * | 2023-12-18 | 2024-01-19 | 中国科学院沈阳自动化研究所 | Hydraulic control sea water valve with adjustable opening |
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Application publication date: 20121010 |