CN201554024U

CN201554024U - Improved oil platform pile shoe lift-assisting anti-plugging jetting valve

Info

Publication number: CN201554024U
Application number: CN2009202905582U
Authority: CN
Inventors: 霍刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-17
Filing date: 2009-12-17
Publication date: 2010-08-18
Anticipated expiration: 2019-12-17

Abstract

The utility model provides an improved oil platform pile shoe lift-assisting anti-plugging jetting valve. The structure is composed of a valve body, a valve core and a ring-shaped sealing nut, wherein a high pressure water pipe interface is arranged on the center of the upper portion of the valve body, a valve cavity is arranged on the center of the lower portion of the high pressure water pipe interface, the high pressure water pipe interface is communicated with a hollow cavity on the lower portion downwards, a flange is arranged on the lower portion of an ex-circle of the valve body, the valve core is fixed in the valve cavity through the ring-shaped sealing nut, the valve core is composed of a valve sleeve, an inner valve core, a valve port, a reset spring and a sealing ring, a screw thread is manufactured on the ex-circle on the upper portion of the valve sleeve, the screw thread is connected with a screw thread on the inner wall on the upper portion of the valve cavity, a vertical plane is manufactured on the ex-circle at the lower end of the valve sleeve, a trapezium step inner cavity is manufactured on the center of the valve sleeve, an inner screw thread is manufactured on an upper layer step inner circle of the trapezium step inner cavity, the valve port is connected with the valve sleeve through an inner screw thread, the inner valve core is arranged on the center of the valve sleeve, compared with the prior art, the jetting valve has the characteristics of reasonable design, simple structure, safety, reliability, easy maintenance and the like, thereby having excellent popularization and use value.

Description

A kind of modified assisting in lifting pile shoe of oil platform block-resistant spraying valve

Technical field

The utility model relates to a kind of oil platform accessory, specifically a kind of block-resistant spraying valve of modified assisting in lifting pile shoe of oil platform.

Background technology

Usually offshore oil platform is changed construction location at any time according to the construction needs, because the long-time depression of shoe of oil platform pile lower end is in sea bed, huge heavy shoe often with sludge solidification together, this rises for mechanical force of oil platform and causes very big difficulty.The processing method of prior art is then to need dredger to adopt giant to carry out desilting when rising stake when mechanical force is difficult to realize machinery, the general desilting time needs a couple of days or tens of days, if still can not make shoe loosening by desilting, construct with regard to the mode that adopts the diver to cut under water, construction sequence is pile to be cut off to separate with shoe earlier, again make shoe again and cut off pile and weld together and move to new construction point and construct, stay the shoe and the part pile in seabed and slowly salvage again, eliminate maritime affairs hidden danger by seabed wrecking crew.Thereby the deficiency that traditional form of construction work exists is that difficulty of construction is big, cost is high, has a strong impact on the safe construction operation of oil platform.In order to overcome the deficiency that alumnus's technology exists, utility model people and in December, 2008 have applied for that a key name is called the block-resistant spraying valve, the patent No. is 200810238614.8, though this product has solved the indeterminable problem of conventional art, also there is the improved place of some needs at aspects such as installing and using processing in addition.

The utility model content

The purpose of this utility model provides the block-resistant spraying valve that uses on a kind of modified petroleum platform pile shoe.

The purpose of this utility model realizes in the following manner, its structure is made up of valve body, spool and ring packing nut, wherein, valve body is the bell-jar structure, central upper portion is provided with the high-pressure water pipe interface, and the lower central of high-pressure water pipe interface has valve pocket, and the high-pressure water pipe interface communicates with lower cavity downwards, the bottom of valve body cylindrical is provided with flange, and spool is fixed among the valve pocket by the ring packing nut; Spool is by valve pocket, inner spool, valve port, back-moving spring and sealing ring are formed, the top cylindrical of valve pocket is processed with screw thread, being threaded on screw thread and the valve pocket upper inside wall, the lower end cylindrical of valve pocket is processed a plurality of vertical planes, the center of valve pocket is processed with the terraced steps inner chamber, be processed with internal thread on the circle in the upper strata step of terraced steps inner chamber, valve port is connected with valve pocket by internal thread, inner spool is arranged on the valve pocket center, its top cylindrical is connected with circle in the valve port, the cylindrical of inner spool is step-like, the center is processed with cavity, the upper port of inner spool is provided with plug sealing, and level has the inlet opening below the plug, and the bottom level of inner spool has hole for water spraying, the cylindrical that is positioned at below, inner spool inlet opening is provided with a bulge loop, the inwall that bulge loop is provided with joint ring and valve pocket is slidingly connected, and the below of bulge loop is provided with back-moving spring between inner spool and valve sleeving inner wall, and the lower end of back-moving spring is connected with the horizontal plane of two layers of terraced steps of valve pocket inner chamber.

The advantage of the utility model block-resistant spraying valve is, small investment, easy to operate, it is fast to play stake, improve the migration efficiency of construction of oil platform, shorten construction period, the anti-blocking automatic spray that is provided with in the use shoe when following of new address of oil platform is towards valve in addition, also can accelerate the subsidence velocity of shoe, improve the steadiness of shoe, thereby economic benefit is huge.

Description of drawings

Accompanying drawing 1 is the overall structure schematic diagram of block-resistant spraying valve;

Description of reference numerals: ring packing nut 1, valve pocket 2, inner spool 3, back-moving spring 4, sealing ring 5, bulge loop 6, plug 7, valve port 8, sealing mat 9, valve body 10, high-pressure water pipe interface 11, inlet opening 12, hole for water spraying 13, flange 14, vertical plane 15, installing blind 16, annular water-dividing chamber 17.

The specific embodiment

With reference to Figure of description anti-blocking automatic spray of the present utility model below doing, valve is explained.

As shown in Figure 1, a kind of modified assisting in lifting pile shoe of oil platform block-resistant spraying valve of the present utility model, its structure is made up of valve body 10, spool and ring packing nut 1, wherein, valve body 10 is the bell-jar structure, and central upper portion is provided with high-pressure water pipe interface 11, the lower central of high-pressure water pipe interface 11 has valve pocket, high-pressure water pipe interface 11 communicates with lower cavity downwards, and the bottom of valve body 10 cylindricals is provided with flange 14, and spool is fixed among the valve pocket by ring packing nut 11; Spool is by valve pocket 2, inner spool 3, valve port 8, back-moving spring 4 and sealing ring 5 are formed, the top cylindrical of valve pocket 2 is processed with external screw thread, external screw thread is connected with internal thread on the valve pocket upper inside wall, the lower end cylindrical processing vertical plane 15 of valve pocket 2, the center of valve pocket 2 is processed with the terraced steps inner chamber, be processed with internal thread on the circle in the upper strata step of terraced steps inner chamber, valve port 8 is connected with valve pocket 2 by internal thread, inner spool 3 is arranged on valve pocket 2 centers, its top cylindrical is connected with circle in the valve port 8, the cylindrical of inner spool 3 is step-like, the center is processed with cavity, the upper port of inner spool 3 is provided with plug 7 sealings, level has inlet opening 12 below the plug 7, the bottom level of inner spool 3 has hole for water spraying 13, the cylindrical that is positioned at 12 belows, inner spool 3 inlet openings is provided with a bulge loop 6, the inwall that bulge loop 6 is provided with joint ring 5 and valve pocket 2 is slidingly connected, the below of bulge loop 6 is provided with back-moving spring 4 between inner spool 3 and valve pocket 2 inwalls, the lower end of back-moving spring 4 is connected with the horizontal plane of two layers of terraced steps of valve pocket 2 inner chambers.

The upper surface of ring packing nut 1 and interior circle are provided with sealing ring and are tightly connected with valve body 10 bottoms and valve pocket 2 lower end cylindricals respectively.

Circle is provided with sealing ring and inner spool 3 lower end cylindricals are tightly connected in valve pocket 2 bottoms.

Be provided with sealing mat 9 between the upper surface of valve port 8 and the valve body 10.

Valve port 8 is processed with 45 degree chamferings with the contact point of inner spool 3.

Be positioned on valve port 8 and the ring packing nut 1 and be provided with installing blind 16, quantity all is no less than 2.

At least be processed with two vertical planes 15 on the lower end cylindrical of valve pocket 2.

Between the valve pocket 2 at 12 places, inlet opening and inner spool 3, be provided with annular water-dividing chamber 17.

Embodiment 1, anti-blocking automatic spray of the present utility model is as follows towards the operating principle of valve: the water under high pressure that comes when pressure piping enters valve body top by interface, the water pressure pushing inner spool moves down, water under high pressure enters the inlet opening on inner spool top by water-dividing chamber, when inner spool moves down, the hole for water spraying of lower end stretches out the valve pocket lower end, hole for water spraying is opened to spraying all around thereupon, when water under high pressure stops to carry, hydraulic pressure reduces back-moving spring and inner spool is pushed to is resetted, move on the inner spool, with the hole for water spraying sealing, prevent that silt from entering valve body in the hole for water spraying indentation valve pocket.

Processing and fabricating is made by traditional process for machining and is got final product.

Anti-blocking automatic spray of the present utility model is rushed valve and is compared with existing technology, have reasonable in design, simple in structure, be easy to processing, investment little, use the characteristics such as easy to operate, solve lower of oil platform and played the big problem of pile driving construction difficulty, thereby, have good value for applications.

Claims

1. modified assisting in lifting pile shoe of oil platform block-resistant spraying valve, it is characterized in that comprising valve body, spool and ring packing nut, wherein, valve body is the bell-jar structure, central upper portion is provided with the high-pressure water pipe interface, and the lower central of high-pressure water pipe interface has valve pocket, and the high-pressure water pipe interface communicates with lower cavity downwards, the bottom of valve body cylindrical is provided with flange, and spool is fixed among the valve pocket by the ring packing nut; Spool is by valve pocket, inner spool, valve port, back-moving spring and sealing ring are formed, the top cylindrical of valve pocket is processed with screw thread, being threaded on screw thread and the valve pocket upper inside wall, the lower end cylindrical processing vertical plane of valve pocket, the center of valve pocket is processed with the terraced steps inner chamber, be processed with internal thread on the circle in the upper strata step of terraced steps inner chamber, valve port is connected with valve pocket by internal thread, inner spool is arranged on the valve pocket center, its top cylindrical is connected with circle in the valve port, the cylindrical of inner spool is step-like, the center is processed with cavity, the upper port of inner spool is provided with plug sealing, and level has the inlet opening below the plug, and the bottom level of inner spool has hole for water spraying, the cylindrical that is positioned at below, inner spool inlet opening is provided with a bulge loop, the inwall that bulge loop is provided with joint ring and valve pocket is slidingly connected, and the below of bulge loop is provided with back-moving spring between inner spool and valve sleeving inner wall, and the lower end of back-moving spring is connected with the horizontal plane of two layers of terraced steps of valve pocket inner chamber.

2. block-resistant spraying valve according to claim 1 is characterized in that, the upper surface of ring packing nut and interior circle are provided with sealing ring and are tightly connected with valve body bottom and valve pocket lower end cylindrical respectively.

3. block-resistant spraying valve according to claim 2 is characterized in that, circle is provided with sealing ring and inner spool lower end cylindrical is tightly connected in the valve pocket bottom.

4. block-resistant spraying valve according to claim 1 is characterized in that, is provided with sealing mat between the upper surface of valve port and the valve body.

5. block-resistant spraying valve according to claim 1 is characterized in that, the contact point of valve port and inner spool is processed with 45 degree chamferings.

6. block-resistant spraying valve according to claim 1 is characterized in that, is positioned on valve port and the ring packing nut to be provided with installing blind, and quantity all is no less than 2.

7. block-resistant spraying valve according to claim 1 is characterized in that, the lower end cylindrical of valve pocket is machined to rare two vertical planes.

8. block-resistant spraying valve according to claim 1 is characterized in that, is provided with annular water-dividing chamber between the valve pocket at inlet opening place and inner spool.