CN102605789A - Dredging lifting assistor with built-in spray head - Google Patents
Dredging lifting assistor with built-in spray head Download PDFInfo
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- CN102605789A CN102605789A CN2012100796411A CN201210079641A CN102605789A CN 102605789 A CN102605789 A CN 102605789A CN 2012100796411 A CN2012100796411 A CN 2012100796411A CN 201210079641 A CN201210079641 A CN 201210079641A CN 102605789 A CN102605789 A CN 102605789A
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- shower nozzle
- hole
- valve
- piston
- downwards
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Abstract
The invention discloses a dredging lifting assistor with a built-in spray head. The dredging lifting assistor comprises a water inlet valve and a spray valve which are connected with each other. The water inlet valve comprises a baffle plate, a spring, a lower protection bush, a screw nut, a valve plug and an upper shell, wherein the baffle plate is arranged in an inner cavity of the upper shell horizontally, the valve plug passes through from a baffle plate hole upwards, a valve plug rod part is sheathed with the spring, the lower protection bush, an upper protection bush and a screw nut to form the water inlet valve. The spray valve is of a plunger valve structure and comprises a shell, a piston, a limiting sleeve, a spring and a base. An axial blind hole is arranged in the piston, the large-diameter end of the piston is an opening end, inclined through holes arranged uniformly in the outer wall of a rod end from an inner spray head. The shell is of a straight-through tube structure, the inner cavity is provided with a piston, a spring and a limiting sleeve, and a base is arranged on the bottom end of inner cavity. The base is concave downwards and is provided with a bottom cavity, the inclined through holes arranged uniformly form an outer spray head. The piston rod end and an inner hole of the base are in clearance fit, so that the inner spray head protected by the outer spray head, and moves axially so as to avoiding the collision with the outside, and the reliable running can be ensured. The inner spray head and the outer spay head adopt the inclined through holes arranged downwards and horizontally, so that water power backwashing is facilitated, the spraying and dredging efficiency is improved.
Description
Technical field
The present invention relates to a kind of offshore oil platform displacement auxiliary device, specifically, the present invention relates to a kind of device for assisting in lifting that mud is removed in offshore oil platform shoe place that is specifically designed to.
Background technology
Offshore oil platform is a kind of many pile foundations framework, and the pile bottom is provided with shoe and is used for supporting and location.Shoe has certain bearing area, and the shoe of directly propping up on sea bed is prone to covered by silt deposit on every side, and the mud that is in the medium-term and long-term accumulation in deep-sea is prone to form the curing plate, and shoe is embedded in and wherein helps the location.But, along with job position changes, the position that must move offshore oil platform.The mud of removing before the displacement in the shoe is necessary task, and because of being in the deep-sea, the desilting difficulty is big, can realize expecting the desilting purpose at shoe place fixed point installation Accrete clearing device in advance.The prior art patent No.: 200820226871.5 " block-resistant spraying devices " are used representative in the industry, can accomplish effective desilting.Composite piston is gone out under the water under high pressure effect during this technology dredging operation, and the water under high pressure of introducing sprays desilting from expose outside the mouth of a river.Exposed composite piston bottom face in this operating mode in case with sea bed in hard thing collision, just possibly form opening or flange, cause dredging operation thus after composite piston can not reset.Special because of shoe environment of living in, change that malfunctioning servicing unit technical difficulty is big, maintenance cost is big, the user is difficult to bear.The water under high pressure that prior art is quoted though this structure is easy, can realize that spray is towards desilting directly from the delivery port ejection.But the water under high pressure of quoting just possibly form delivery port and partly stop up if sneak into foreign matter or the particle bigger than water outlet aperture, and inevitable significantly the reduction sprayed towards desilting efficiency data.In a single day delivery port all stops up, and the prior art block-resistant spraying device is just ineffective fully.
Summary of the invention
The present invention is primarily aimed at the deficiency of prior art; Propose a kind of built-in shower nozzle desilting lifting aid with protection-guide structure, this is simple and reasonable for structure, and is reliable; The desilting ability is strong; The more important thing is that external protection-guide structure guarantees that the piston bottom end face is intact, capable of expansion and contraction, effectively run duration is not changed or the sorrow of maintenance.
The present invention realizes technical goal through following technical proposals.
Built-in shower nozzle desilting lifting aid, it comprises the water intaking valve of the conjuncted structure of vertically-arranged coaxial line and sprays towards valve.Its improvements are: said water intaking valve is positioned at spray on valve, and water intaking valve comprises dividing plate, spring, lower jacket, upper jacket, nut, spool and upper casing.Said upper casing is the straight pipe shell structure, and small end up is provided with the water under high pressure interface, and large port portion down is that internal thread hole directly is tightly connected spray towards valve; Said dividing plate is the sheet sieves member that a kind of end face is provided with filter opening, and the dividing plate horizontal is in the upper casing inner chamber, and the spool of umbrella is inverted the back and from the dividing plate mider hole, is upwards passed, and pocketed springs, lower jacket, upper jacket and nut are formed water intaking valve in valve core rod portion.Said spray is the plunger valve structure towards valve, and it comprises housing, piston, stop collar, base and spring.Said piston is the step axle, and built-in axial hole is a blind hole, and the aperture that is positioned at larger diameter end is for extending out tapered hole, and the piston rod end outer wall is uniformly distributed with 4～6 flat tilting through holes downwards and constitutes interior shower nozzle.Said housing is the straight pipe structure, and outer wall is provided with adpting flange, settles at the housing inner chamber and forms the plunger reciprocating structure by piston, spring and stop collar.Said base is the recessed end cavity that has; The external wall of ring cavity is uniformly distributed with 4～6 outer nozzle structures of flat tilting through hole formation that match mutually with interior shower nozzle downwards; Base is installed in the endoporus of housing bottom and with up endoporus and piston rod portion matched in clearance, the plunger valve control structure that shower nozzle matched with outer shower nozzle in this structure formed.
In the said structure, dividing plate end face upward filtration bore dia is Φ 3.5mm～Φ 4.8mm, and the flat downwards tilting through-hole diameter of outer shower nozzle is Φ 5.0mm～Φ 7.0mm, and being located on the dividing plate end face filter opening total area ratio, to be located on the outer shower nozzle the tilting through hole gross area big 2～4 times.
In the said structure, interior shower nozzle flat tilting through-hole diameter downwards is bigger 1.2～1.8 times than the downward flat tilting through-hole diameter of outer shower nozzle.
In the said structure, the oblique angle α that the perpendicular interior shower nozzle of putting is put down tilting through hole and the downward flat tilting through hole of outer shower nozzle downwards equates oblique angle line and horizon angle=0
010'～15
059'.
In the said structure, the base inner hole wall is provided with annular recess, and flat downwards tilting through hole starts from the axial middle part of annular recess.
The present invention compared with prior art has following good effect:
1, water intaking valve is provided with filtration, directly improves the next spray towards the valve running status, effectively avoids the through hole of inside and outside shower nozzle to stop up, and guarantees efficiently to spray continually and steadily to dash;
2, interior shower nozzle is in the outer nozzle cavity, and the interior shower nozzle with the piston axially-movable under this protection-guide structure condition does not contact with the external world, avoids bumping, and guarantees safe operation;
3, interior shower nozzle and outer shower nozzle are provided with little flat oblique through hole downwards, make full use of the waterpower backsurging principle and improve desilting efficiency data.
Description of drawings
Fig. 1 is a structural profile sketch map of the present invention.
The specific embodiment
1 couple of the present invention is described further according to accompanying drawing below.
Built-in shower nozzle desilting lifting aid shown in Figure 1, it comprises the water intaking valve of the conjuncted structure of vertically-arranged coaxial line and sprays towards valve.Said water intaking valve is positioned at spray on valve, and water intaking valve comprises dividing plate 1, spring 2, lower jacket 3, upper jacket 4, nut 5, spool 6 and upper casing 7.Upper casing 7 is the straight pipe shell structure, and small end up is provided with water under high pressure interface 7.1, and large port portion down is that internal thread hole directly is tightly connected spray towards valve.The dividing plate 1 that horizontal is installed in upper casing 7 inner chambers is the sheet sieves member that a kind of end face is provided with filter opening 1.1; The spool 6 of umbrella is inverted the back and from dividing plate 1 mider hole, is upwards passed, and pocketed springs 2, lower jacket 3, upper jacket 4 and nut 5 are formed water intaking valve in spool 6 bar portions.Water intaking valve is in normally off under the effect of spring 2, when the water under high pressure formation axial force promotion spool of introducing 6 moves down, flow to the bottom spray in valve after filtering in the filter opening 1.1 of water under high pressure on dividing plate 1.Said spray is the plunger valve structure towards valve, and it comprises housing 8, piston 9, stop collar 10, base 11 and spring 12.Said piston 9 is the step axle, and built-in axial hole is a blind hole, and the aperture that is positioned at larger diameter end is for extending out tapered hole, and piston 9 rod end surface outer walls are uniformly distributed with 4～6 flat tilting through holes downwards and constitute interior shower nozzle.Said housing 8 is the straight pipe structure, and outer wall is provided with adpting flange, settles at housing 8 inner chambers and forms piston structure by piston 9, spring 12 and stop collar 10.Being in lowermost base 11 is the recessed end cavity that has, and the external wall of ring cavity is uniformly distributed with 4～6 outer nozzle structures of flat tilting through hole 11.1 formations that match mutually with interior shower nozzle downwards.Base 11 is installed in the housing 8 bottom endoporus and with up endoporus and piston 9 bar portion matched in clearance, the plunger valve control structure that shower nozzle matched with outer shower nozzle in this structure formed.
In the present embodiment, interior shower nozzle equates that with the flat rake angle α of through hole that outer shower nozzle is uniformly distributed with α is 3 downwards
0Interior shower nozzle is provided with 4 Φ 6mm through holes 9.1, and outer shower nozzle is provided with 4 Φ 5mm through holes 11.1.Filter opening 1.1 diameters are Φ 4mm on dividing plate 1 end face, and flat tilting through hole 11.1 gross areas are big 3 times downwards for the outer shower nozzle of the total area ratio of the filter opening of putting 1.1.The purpose of this structure is to prevent after 1.1 obstructions of part filter opening, and the water under high pressure of guaranteeing enough flows are arranged is through getting into spray towards valve.
The present invention is directly installed in the offshore oil platform shoe, the mud of targeted elimination shoe place deposition.The interior shower nozzle that moves among the present invention is among the outer shower nozzle, and reliability service by the collision possibility, so can keep good cooperation for a long time, is not guaranteed in interior shower nozzle end.In addition, the forward down flat tilting acute angle of the through hole 11.1 one of the through hole 9.1 of shower nozzle and outer shower nozzle in the present invention, this structure makes full use of the waterpower backsurging principle, can significantly improve desilting efficiency data.
Claims (5)
1. built-in shower nozzle desilting lifting aid, the water intaking valve that it comprises the conjuncted structure of vertically-arranged coaxial line and spray are towards valve; It is characterized in that: said water intaking valve is positioned at spray on valve, and water intaking valve comprises dividing plate (1), spring (2), lower jacket (3), upper jacket (4), nut (5), spool (6) and upper casing (7); Said upper casing (7) is the straight pipe shell structure, and small end up is provided with water under high pressure interface (7.1), and large port portion down is that internal thread hole directly is tightly connected spray towards valve; Said dividing plate (1) is the sheet sieves member that a kind of end face is provided with filter opening (1.1); Dividing plate (1) horizontal is in upper casing (7) inner chamber; The spool of umbrella (6) is inverted the back and from dividing plate (1) mider hole, is upwards passed, and pocketed springs (2), lower jacket (3), upper jacket (4) and nut (5) are formed water intaking valve in spool (6) bar portion; Said spray is the plunger valve structure towards valve, and it comprises housing (8), piston (9), stop collar (10), base (11) and spring (12); Said piston (9) is the step axle, and built-in axial hole is a blind hole, and the aperture that is positioned at larger diameter end is for extending out tapered hole, and piston (9) boom end outer wall is uniformly distributed with 4～6 flat tilting through holes (9.1) downwards and constitutes interior shower nozzle; Said housing (8) is the straight pipe structure, and outer wall is provided with adpting flange, settles at housing (8) inner chamber and forms the plunger reciprocating structure by piston (9), spring (12) and stop collar (10); Said base (11) is the recessed end cavity that has; The external wall of ring cavity is uniformly distributed with 4～6 outer nozzle structures of flat tilting through hole (11.1) formation downwards that match mutually with interior shower nozzle; Base (11) is installed in the endoporus of housing (8) bottom and with up endoporus and piston (9) bar portion matched in clearance, the plunger valve control structure that shower nozzle matched with outer shower nozzle in this structure formed.
2. built-in shower nozzle desilting lifting aid according to claim 1; It is characterized in that: filter opening (1.1) diameter is Φ 3.5mm～Φ 4.8mm on said dividing plate (1) end face; Flat downwards tilting through hole (11.1) diameter of outer shower nozzle is Φ 5mm～Φ 7mm, is located on dividing plate (1) end face filter opening (1.1) total area ratio and is located on the outer shower nozzle one group to put down tilting through hole (11.1) gross area big 2～4 times.
3. built-in shower nozzle desilting lifting aid according to claim 1 is characterized in that: flat tilting through hole (9.1) diameter is bigger 1.2～1.8 times than downward flat tilting through hole (11.1) diameter of outer shower nozzle downwards for shower nozzle in said.
4. built-in shower nozzle desilting lifting aid according to claim 1 is characterized in that: the perpendicular interior shower nozzle of putting flat tilting through hole (9.1) is downwards put down tilting through hole (11.1) downwards with outer shower nozzle, oblique angle α equal, oblique angle line and horizon angle=0
010'～15
059'.
5. built-in shower nozzle desilting lifting aid according to claim 1 is characterized in that: said base (11) inner hole wall is provided with annular recess (11.2), and flat downwards tilting through hole (11.1) starts from axially middle part of annular recess (11.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100796411A CN102605789A (en) | 2012-03-23 | 2012-03-23 | Dredging lifting assistor with built-in spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100796411A CN102605789A (en) | 2012-03-23 | 2012-03-23 | Dredging lifting assistor with built-in spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102605789A true CN102605789A (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100796411A Pending CN102605789A (en) | 2012-03-23 | 2012-03-23 | Dredging lifting assistor with built-in spray head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967013A (en) * | 2014-05-21 | 2014-08-06 | 济南高达信息技术有限公司 | Rotating disk type rotary spraying device for accelerating lifting of pile shoe of offshore drilling platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170165A (en) * | 1998-12-07 | 2000-06-20 | Furoo Techno Kk | Device for jetting pressurized water for pile driving and jetting method using the same |
| CN201354459Y (en) * | 2008-12-17 | 2009-12-02 | 霍刚 | Anti-clogging jetting device |
| CN201372435Y (en) * | 2009-03-18 | 2009-12-30 | 中国石化集团胜利石油管理局井下作业公司 | Spraying and flushing device for silt around pile shoe of ocean platform |
| CN201554024U (en) * | 2009-12-17 | 2010-08-18 | 霍刚 | Improved oil platform pile shoe lift-assisting anti-plugging jetting valve |
| CN102359627A (en) * | 2011-06-30 | 2012-02-22 | 株洲南车时代电气股份有限公司 | Filter one-way valve for vacuum toilet wastewater collector |
| CN202767080U (en) * | 2012-03-23 | 2013-03-06 | 姜堰市盛翔机械制造有限公司 | Dredging lifting device internally provided with nozzle |
-
2012
- 2012-03-23 CN CN2012100796411A patent/CN102605789A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170165A (en) * | 1998-12-07 | 2000-06-20 | Furoo Techno Kk | Device for jetting pressurized water for pile driving and jetting method using the same |
| CN201354459Y (en) * | 2008-12-17 | 2009-12-02 | 霍刚 | Anti-clogging jetting device |
| CN201372435Y (en) * | 2009-03-18 | 2009-12-30 | 中国石化集团胜利石油管理局井下作业公司 | Spraying and flushing device for silt around pile shoe of ocean platform |
| CN201554024U (en) * | 2009-12-17 | 2010-08-18 | 霍刚 | Improved oil platform pile shoe lift-assisting anti-plugging jetting valve |
| CN102359627A (en) * | 2011-06-30 | 2012-02-22 | 株洲南车时代电气股份有限公司 | Filter one-way valve for vacuum toilet wastewater collector |
| CN202767080U (en) * | 2012-03-23 | 2013-03-06 | 姜堰市盛翔机械制造有限公司 | Dredging lifting device internally provided with nozzle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967013A (en) * | 2014-05-21 | 2014-08-06 | 济南高达信息技术有限公司 | Rotating disk type rotary spraying device for accelerating lifting of pile shoe of offshore drilling platform |
| CN103967013B (en) * | 2014-05-21 | 2015-11-04 | 胡文超 | A kind of marine drilling platform assisting in lifting pile shoe rotating disc type spray apparatus |
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| PB01 | Publication | ||
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Application publication date: 20120725 |