CN102927402A - Fixedly plugging method and device by using cone, eccentric wheels and wedges - Google Patents

Fixedly plugging method and device by using cone, eccentric wheels and wedges Download PDF

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Publication number
CN102927402A
CN102927402A CN2012104431534A CN201210443153A CN102927402A CN 102927402 A CN102927402 A CN 102927402A CN 2012104431534 A CN2012104431534 A CN 2012104431534A CN 201210443153 A CN201210443153 A CN 201210443153A CN 102927402 A CN102927402 A CN 102927402A
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China
Prior art keywords
cone
eccentric wheel
chock
pressure
petroleum pipeline
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CN2012104431534A
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Chinese (zh)
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CN102927402B (en
Inventor
刘绍康
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刘绍康
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Priority to CN201210443153.4A priority Critical patent/CN102927402B/en
Publication of CN102927402A publication Critical patent/CN102927402A/en
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Publication of CN102927402B publication Critical patent/CN102927402B/en
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Abstract

The invention relates to a fixedly plugging method by using a cone, eccentric wheels and wedges. The method is used for plugging petroleum pipelines in deep sea during pipeline leakage. The method includes the following steps that firstly, by means of gravity of a disc weight, the cone is driven to fall into a petroleum pipeline, and the upper diameters of the cone are equal to an inner diameter of the petroleum pipeline; secondly, the eccentric wheels with spring thrust are arranged on the lower portion of the cone, and the eccentric wheels and the petroleum pipeline are tightly clamped when the cone falls to certain depth; and a weight device above the cone is removed, space between the upper surface of the cone and an upper end port of the petroleum pipeline is plugged by using cement, and accordingly, plugging of the petroleum pipeline in the deep sea is finished. According to the method, the petroleum pipeline which leaks produced oil is simply and effectively plugged, time consumption is low, plugging effects are good, and a plugging device is simple and suitable for being used in various deep sea areas.

Description

Cone eccentric wheel chock is method for blocking and device thereof fixedly
Technical field
The present invention relates to a kind of cone eccentric wheel chock fixedly method for blocking and device thereof, the shutoff when being used for the deep-sea oil pipe leakage.
Background technique
Along with the progress of modern science, people more and more add frequently the exploitation of oil, the petroleum resources of especially locating for the deep-sea, the target of people exploitation especially, but deep sea pressure is larger, not only exploitation difficulty, when in case the phenomenon such as oil blowout occurs, the human problem that can't process especially.Offshore oilfield pipeline has just occured and has broken in the nearest Gulf of Mexico, and a large amount of oil pollute the marine site, cause ecocatastrophe, especially petroleum resources have been caused a large amount of wastes.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of cone eccentric wheel chock fixedly method for blocking and device thereof, the method not only simple and effective petroleum pipeline to exploitation oil leakage phenomenon occurs and has carried out shutoff, and the time spent is short, plugging effect is good, the device of simultaneously its shutoff is simple, is suitable for marine site, various deep-sea.
For overcoming the above problems, concrete technological scheme of the present invention is as follows: a kind of cone eccentric wheel chock is method for blocking fixedly, may further comprise the steps:
1) adopt the self gravitation drive cone of disk weight to fall in the petroleum pipeline, wherein the middle top diameter of cone equals the petroleum pipeline internal diameter;
2) be provided with the eccentric wheel with spring thrust below in cone, after cone is lowered into certain depth, eccentric wheel and petroleum pipeline chucking;
3) gravity installation of releasing cone top carries out shutoff to cone upper surface to the space of petroleum pipeline upper end-hole with cement, namely finishes the shutoff of deep-sea oil pipe.
The top of described cone is the Rotary-table structure, and the excircle of Rotary-table is evenly distributed with the semicircle chock, after finishing after the described step 2, inserts the semicircle chock outside the Rotary-table structure, after the wedging of semicircle chock, carry out step 3.
A kind of cone eccentric wheel chock is blocking device fixedly, an end that above cone, connects Steel Link Chain, and Steel Link Chain is positioned at the cavity of this depth column, the top excircle of depth column is provided with disk weight device, be provided with heaving mechanism above disk weight device, the center of heaving mechanism is connected with the other end of Steel Link Chain.
The conical surface excircle of described cone is provided with annulus and divides other eccentric wheel nest, is provided with rotating eccentric wheel in the eccentric wheel nest, and each top of taking turns is provided with spring pressure device.
The structure of described disk weight device is, above the excircle of depth column, be provided with horizontally disposed pallet, the top of pallet is provided with the weight balancing pressure device frame of round box-type structure, is provided with pressure block at the inner chamber of weight balancing pressure device frame, and the top of pressure block arranges pressure plate.
The structure of described heaving mechanism is, cover has sleeve pipe in the upper end of depth column, the upper end of sleeve pipe is provided with pressure flange, surperficial circumference in pressure flange is symmetrically distributed with the pressure leading screw, one end of pressure leading screw passes pressure flange by worm structure, and the other end of pressure leading screw is flexibly connected horizontally disposed lever; Wherein the upper end portion of Steel Link Chain is connected with suspension ring after passing pressure flange, is plugged with the suspension ring axle on the suspension ring.
The top of described cone is the Rotary-table structure, the excircle of Rotary-table is evenly distributed with the semicircle chock, and the outer cylinder that the semicircle chock surrounds directly equals the petroleum pipeline diameter, is provided with press rods above each semicircle chock, the excircle of press rods is provided with tubule, tubule The upper, middle and lowerJointly be connected with the tubule flange that be arranged in parallel; Excircle bottom at depth column is provided with pressure flange, and clamping screw passes pressure flange and the contact of corresponding press rods by worm structure.
Described depth column is two body structures between pallet and pressure flange, and its two ends connect by the depth column flange respectively.
The structure of described cone can be pyramid.
This cone eccentric wheel chock is the step of the wedging of method for blocking, eccentric wheel and the chock of method for blocking employing cone fixedly, can carry out shutoff to the offshore oilfield pipeline of revealing fast, has avoided the pollution of environment, the waste of petroleum resources.
This cone eccentric wheel chock is blocking device fixedly, and the structure of eccentric wheel structure and chock effectively is combined as a whole, and is not only simple in structure, and easy to operate, greatly saved the time of petroleum pipeline shutoff.
Description of drawings
Fig. 1 is the fixedly structural representation of blocking device of cone eccentric wheel chock.
Embodiment
A kind of cone eccentric wheel chock is method for blocking fixedly, may further comprise the steps:
1) adopt the self gravitation drive cone of disk weight to fall in the petroleum pipeline, wherein the middle top diameter of cone equals the petroleum pipeline internal diameter;
2) be provided with the eccentric wheel with spring thrust below in cone, after cone is lowered into certain depth, eccentric wheel and petroleum pipeline chucking;
3) gravity installation of releasing cone top carries out shutoff to cone upper surface to the space of petroleum pipeline upper end-hole with cement, namely finishes the shutoff of deep-sea oil pipe.
The top of described cone is the Rotary-table structure, and the excircle of Rotary-table is evenly distributed with the semicircle chock, after finishing after the described step 2, inserts the semicircle chock outside the Rotary-table structure, after the wedging of semicircle chock, carry out step 3.
As shown in Figure 1, a kind of cone eccentric wheel chock is blocking device fixedly, an end that above cone 8, connects Steel Link Chain 40, and Steel Link Chain 40 is positioned at the cavity of this depth column 19, the top excircle of depth column 19 is provided with disk weight device 1, be provided with heaving mechanism 2 above disk weight device 1, the center of heaving mechanism 2 is connected with the other end of Steel Link Chain 40.
The conical surface excircle of described cone 8 is provided with annulus and divides other eccentric wheel nest 7, is provided with rotating eccentric wheel 4 in the eccentric wheel nest 7, and each top of taking turns is provided with spring pressure device 6.
The structure of described disk weight device 1 is, above the excircle of depth column 19, be provided with horizontally disposed pallet 24, the top of pallet 24 is provided with the weight balancing pressure device frame 26 of round box-type structure, inner chamber at weight balancing pressure device frame 26 is provided with pressure block 27, the top of pressure block 27 arranges pressure plate 25, can judge the size of buoyancy according to the degree of depth of pipeline like this, thereby determine the weight of pressure plate.
The structure of described heaving mechanism 2 is, cover has sleeve pipe 44 in the upper end of depth column 19, the upper end of sleeve pipe 44 is provided with pressure flange 32, at the symmetrical pressure leading screw 33 of the surperficial circumference of pressure flange 32, one end of pressure leading screw 33 passes pressure flange 32 by worm structure, and the other end of pressure leading screw 33 is flexibly connected horizontally disposed lever 34; Wherein the upper end portion of Steel Link Chain 40 is connected with suspension ring 35 after passing pressure flange 32, is plugged with suspension ring axle 36 on the suspension ring 35.
The top of described cone 8 is the Rotary-table structure, the excircle of Rotary-table is evenly distributed with semicircle chock 10, the outer cylinder that semicircle chock 10 surrounds directly equals the petroleum pipeline diameter, above each semicircle chock 10, be provided with press rods 13, the excircle of press rods 13 is provided with tubule 14, tubule 14 The upper, middle and lowerJointly be connected with the tubule flange 15 that be arranged in parallel; Excircle bottom at depth column 19 is provided with pressure flange 17, clamping screw 18 passes pressure flange 17 and 13 contacts of corresponding press rods by worm structure, and the like this rotation by clamping screw 18 is by the pressure to the press rods in the tubule, with chock 10 wedgings, to reach the effect of shutoff.
Described depth column 19 is two body structures between pallet 24 and pressure flange 17, and its two ends connect by depth column flange 20 respectively, so that the installation of processing and top and the bottom assembling.
The structure of described cone 8 can be pyramid, and this structure can be finished shutoff work equally.
Fixedly blocking device is as follows to the concrete grammar of deep-sea oil internal diameter of the pipeline shutoff according to cone eccentric wheel chock of the present invention: at first leakage of oil place of offshore oilfield pipeline is cut, this pipeline will be perpendicular to the sea level, and surpasses sealed depth is installed; With cone eccentric wheel chock fixedly after the blocking device installation from top to bottom, by the lifting to weight balance pressure device, insert the pipeline top in seabed, simultaneously cone 8 is inserted in the leakage of oil pipeline, self pressure by pressure block simultaneously, the pressure that makes cone overcome oil spout moves downward gradually, and eccentric wheel 4 tightens at internal diameter of the pipeline under the effect of spring pressure device 6 gradually simultaneously; Simultaneously semicircle chock 10 is inserted the Rotary-table excircle of the top of cone 8, and utilize the rotation of clamping screw 18, be forced to press rods and move down, so that semicircle chock 10 and petroleum pipeline wedging.At this moment rotate the pressure leading screw 33 in the heaving mechanism 37, it is unclamped, take out suspension ring axle 36, Steel Link Chain 40 separates with depth column 19 like this, after 1 lifting of disk weight device is got up, pressure flange 17 drives tubule flange 15 on it and press rods 13 etc. and breaks away from cone 8 together, and cone 8 has been stayed in the petroleum pipeline with Steel Link Chain 40, at this moment utilizes cement slurry to the thorough shutoff in the upper end of petroleum pipeline.

Claims (9)

1. the fixing method for blocking of a cone eccentric wheel chock is characterized in that may further comprise the steps:
1) adopt the self gravitation drive cone of disk weight to fall in the petroleum pipeline, wherein the middle top diameter of cone equals the petroleum pipeline internal diameter;
2) be provided with the eccentric wheel with spring thrust below in cone, after cone is lowered into certain depth, eccentric wheel and petroleum pipeline chucking;
3) gravity installation of releasing cone top carries out shutoff to cone upper surface to the space of petroleum pipeline upper end-hole with cement, namely finishes the shutoff of deep-sea oil pipe.
2. the fixing method for blocking of cone eccentric wheel chock as claimed in claim 1, it is characterized in that: the top of described cone is the Rotary-table structure, the excircle of Rotary-table is evenly distributed with the semicircle chock, after finishing after the described step 2, outside the Rotary-table structure, insert the semicircle chock, after the wedging of semicircle chock, carry out step 3.
3. the fixing blocking device of a cone eccentric wheel chock, it is characterized in that: an end that connects Steel Link Chain (40) in the top of cone (8), and Steel Link Chain (40) is positioned at the cavity of this depth column (19), the top excircle of depth column (19) is provided with disk weight device (1), be provided with heaving mechanism (2) in the top of disk weight device (1), the center of heaving mechanism (2) is connected with the other end of Steel Link Chain (40).
4. the fixing blocking device of cone eccentric wheel chock as claimed in claim 3, it is characterized in that: the conical surface excircle of described cone (8) is provided with annulus and divides other eccentric wheel nest (7), be provided with rotating eccentric wheel (4) in the eccentric wheel nest (7), each top of taking turns is provided with spring pressure device (6).
5. the fixing blocking device of cone eccentric wheel chock as claimed in claim 3, it is characterized in that: the structure of described disk weight device (1) is, excircle top at depth column (19) is provided with horizontally disposed pallet (24), the top of pallet (24) is provided with the weight balancing pressure device frame (26) of round box-type structure, inner chamber at weight balancing pressure device frame (26) is provided with pressure block (27), and the top of pressure block (27) arranges pressure plate (25).
6. the fixing blocking device of cone eccentric wheel chock as claimed in claim 3, it is characterized in that: the structure of described heaving mechanism (2) is, cover has sleeve pipe (44) in the upper end of depth column (19), the upper end of sleeve pipe (44) is provided with pressure flange (32), surperficial circumference in pressure flange (32) is symmetrically distributed with pressure leading screw (33), one end of pressure leading screw (33) passes pressure flange (32) by worm structure, and the other end of pressure leading screw (33) is flexibly connected horizontally disposed lever (34); Wherein the upper end portion of Steel Link Chain (40) is connected with suspension ring (35) after passing pressure flange (32), is plugged with suspension ring axle (36) on the suspension ring (35).
7. the fixing blocking device of cone eccentric wheel chock as claimed in claim 3, it is characterized in that: the top of described cone (8) is the Rotary-table structure, the excircle of Rotary-table is evenly distributed with semicircle chock (10), the outer cylinder that semicircle chock (10) surrounds directly equals the petroleum pipeline diameter, be provided with press rods (13) in the top of each semicircle chock (10), the excircle of press rods (13) is provided with tubule (14), tubule (14) The upper, middle and lowerJointly be connected with the tubule flange (15) that be arranged in parallel; Be provided with pressure flange (17) in the excircle bottom of depth column (19), clamping screw (18) passes pressure flange (17) and the contact of corresponding press rods (13) by worm structure.
8. the fixing blocking device of cone eccentric wheel chock as claimed in claim 7, it is characterized in that: described depth column (19) is two body structures between pallet (24) and pressure flange (17), its two ends connect by depth column flange (20) respectively.
9. such as the fixing blocking device of the described arbitrary cone eccentric wheel chock of claim 3 to 8, it is characterized in that: the structure of described cone (8) can be pyramid.
CN201210443153.4A 2012-11-08 2012-11-08 Fixedly plugging method and device by using cone, eccentric wheels and wedges Expired - Fee Related CN102927402B (en)

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Application Number Priority Date Filing Date Title
CN201210443153.4A CN102927402B (en) 2012-11-08 2012-11-08 Fixedly plugging method and device by using cone, eccentric wheels and wedges

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CN102927402A true CN102927402A (en) 2013-02-13
CN102927402B CN102927402B (en) 2014-07-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103133771A (en) * 2013-03-14 2013-06-05 刘绍康 Three-way shunting blocking device and blocking regeneration method thereof

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1311410A (en) * 2000-11-08 2001-09-05 居焕兴 Belt type leaking stopper
CN2752581Y (en) * 2004-08-20 2006-01-18 扬动股份有限公司 Internal expansion plug
CN201764197U (en) * 2010-04-20 2011-03-16 沈琦 Water leakage protection valve
WO2011143781A1 (en) * 2010-05-20 2011-11-24 Car-Ber Investments Inc. Apparatus and method for sealing a pipe
WO2012003982A2 (en) * 2010-07-09 2012-01-12 Jacobs, Dennis Apparatuses and processes for sealing leaks and for connecting pipes, tubes, profiles, cables or joints
CN202176875U (en) * 2011-08-25 2012-03-28 天津绿清管道科技发展有限公司 Thimble leakage blocking body and pipeline rush-repair fixture for pipeline rush-repair
CN202868319U (en) * 2012-11-08 2013-04-10 刘绍康 Cone eccentric wheel wedge fixing and plugging device

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Publication number Priority date Publication date Assignee Title
CN1311410A (en) * 2000-11-08 2001-09-05 居焕兴 Belt type leaking stopper
CN2752581Y (en) * 2004-08-20 2006-01-18 扬动股份有限公司 Internal expansion plug
CN201764197U (en) * 2010-04-20 2011-03-16 沈琦 Water leakage protection valve
WO2011143781A1 (en) * 2010-05-20 2011-11-24 Car-Ber Investments Inc. Apparatus and method for sealing a pipe
WO2012003982A2 (en) * 2010-07-09 2012-01-12 Jacobs, Dennis Apparatuses and processes for sealing leaks and for connecting pipes, tubes, profiles, cables or joints
CN202176875U (en) * 2011-08-25 2012-03-28 天津绿清管道科技发展有限公司 Thimble leakage blocking body and pipeline rush-repair fixture for pipeline rush-repair
CN202868319U (en) * 2012-11-08 2013-04-10 刘绍康 Cone eccentric wheel wedge fixing and plugging device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103133771A (en) * 2013-03-14 2013-06-05 刘绍康 Three-way shunting blocking device and blocking regeneration method thereof

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