CN105114749A - Device for propping inner wall of pipe body open - Google Patents
Device for propping inner wall of pipe body open Download PDFInfo
- Publication number
- CN105114749A CN105114749A CN201510508979.8A CN201510508979A CN105114749A CN 105114749 A CN105114749 A CN 105114749A CN 201510508979 A CN201510508979 A CN 201510508979A CN 105114749 A CN105114749 A CN 105114749A
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- face
- supporting element
- spreading
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- sheet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a device for propping the inner wall of a pipe body open. The device comprises a stretching shaft, an abutting piece, a supporting piece, a driving device and a propping-open mechanism. The stretching shaft can movably penetrate through an inner hole of the pipe body in the axial direction. The stretching shaft comprises a first section stretching into the inner hole of the pipe body and a second section which extends towards the outside of the inner hole of the pipe body from one end of the first section, a pushing and guiding surface is formed on the side wall of the first section, and the end, away from the second section, of the pushing and guiding surface inclines outwards. The abutting piece is arranged on the outer circle of the second section. The supporting piece is arranged on the outer circle of the second section in a sleeving mode, can move in the axial direction and is close to one end of the first section. The driving device is telescopically arranged between the abutting piece and the supporting piece. The propping-open mechanism is in sliding fit with the pushing and guiding surface. According to the device for propping the inner wall of the pipe body open, the driving device stretches and retracts to drive the stretching shaft to move towards the outside of the inner hole in the axial direction, so that the propping-open mechanism slides relative to the pushing and guiding surface, radial movement is generated to squeeze the side wall of the inner hole, and thus the pipe body is propped open and deforms; the operation process is simple; a bolt of a balancing weight is prevented from falling, and the service life of the balancing weight is prolonged.
Description
Technical field
The present invention relates to a kind of endoporus strutting tool of Offshore Engineering field, more particularly, relate to a kind of inboard wall of tube body device for spreading.
Background technique
Along with exploration and the exploitation in deep water hydrocarbon field, floating production system and underwater high-speed propulsion are developed rapidly.The maximum feature of floating production system is exactly the complete extra large formula exploitation that can realize oil field, reusable.Therefore be widely used in the development process of early stage production, extended testing system and marginal oil field.
Through operation for many years or corollary failure, these surface unit mooring anchor leg ordinary lifes, generally at about 10 years, occur that balancing weight such as to come off at the breakoff phenomenon of appliance arrangement, causes floating to generate the anchoring system life-span low.
In order to extend the life-span of anchoring system or guarantee facility, balancing weight normally uses in life span.Now, need to manufacture and design a set of endoporus to bolt head and strut distortion and make balancing weight have double shielding, prevent from coming off, reduce environment to its impact.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of inboard wall of tube body device for spreading.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of inboard wall of tube body device for spreading, comprising:
Axially movably can wear the tensile axis of body endoporus, described tensile axis comprises the first paragraph extending into described body endoporus and the second segment arranged to described body endoporus extension by described first paragraph one end, the sidewall of described first paragraph is formed to push away and draws face, described in push away and draw face away from described second segment end side to outward-dipping;
Be arranged on the supporter in described second segment outer wall;
Axially movably can be set in the supporting element of described second segment outer ring, described supporting element is near described first paragraph one end;
Telescopically is arranged on the drive unit between described supporter and described supporting element; And
Push away with described the spreading mechanism drawing face and be slidably matched to push away the true dip direction movement of drawing face described in edge, described spreading mechanism offsets with described body endoporus sidewall and can match with described supporting element with moving radially;
Described drive unit is flexible to drive described tensile axis and described supporter to move outside described body endoporus, make to push away described in described spreading mechanism edge to draw face slip, and move the described body endoporus sidewall of extruding relative to described supporting element radially outward, body is strutted outside distortion.
Preferably, described first paragraph is cone-shaped, and the little head end of cone is arranged towards described second segment, pushes away and draw face described in the inclined outer wall face of described cone-shaped first paragraph is formed.
Preferably, described spreading mechanism comprises at least a slice and struts sheet, described in strut sheet be provided with described push away draw that face coordinates compress face.
Preferably, described spreading mechanism comprises at least two and struts sheet, described in strut sheet and be uniformly distributed circumferentially, strut described in each sheet be provided with described push away draw that face coordinates compress face.
Preferably, the stub end of described cone-shaped first paragraph the axle center skew that is provided with to described first paragraph of side be formed with the side grain arranged with axis being parallel, described side grain comprises one or circumferentially spaced multiple.
Preferably, strut described in sheet and described compress opposing side, face be provided with described body endoporus sidewall against lug boss;
Described lug boss comprises the raised line circumferentially arranged, the section semicircular in shape of described raised line or taper.
Preferably, described in strut the sheet end face corresponding with described supporting element and be provided with to the axially extended guide portion in described supporting element side, the outer wall of described supporting element struts with described the escape groove that one end corresponding to sheet is circumferentially provided with accommodating described guide portion;
The end face of described guide portion offsets with the side wall surface of described escape groove and coordinates;
Described guide portion comprise extend radially outwardly arrange compress platform, described in compress platform and offset with the end face of described body and coordinate, described guide portion is pressed together on the end face of described body by described supporting element.
Preferably, be provided with radially extended positioning hole in described escape groove, described guide portion is provided with the pilot hole corresponding with described positioning hole, is equipped with directional post in described positioning hole and described pilot hole, moves radially to strut sheet described in guiding.
Preferably, described drive unit comprises at least one group oil cylinder and piston; Or described drive unit comprises at least one group of cylinder and piston;
Described piston is arranged along the axis of described tensile axis, and offsets with described supporter or described supporting element.
Preferably, described supporter and described second segment screw-thread fit, the outer wall border of described supporter is provided with some mounting holes, and described second segment and the opposing end face of described first paragraph are provided with tapped hole, the axle center of described tapped hole and the axis coinciding of described tensile axis.
Implement inboard wall of tube body device for spreading of the present invention, there is following beneficial effect: the device for spreading in the present invention utilizes flexible the drive outside tensile axis inward hole of drive unit to move axially, spreading mechanism is pushed away relatively and draws face slip, generation moves radially extruding endoporus sidewall, body is made to strut distortion, operating process is simple, prevents the bolt falling of balancing weight, improves balancing weight working life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the cross-sectional view after device for spreading in the embodiment of the present invention and inboard wall of tube body combine;
Fig. 2 is the schematic perspective view of the tensile axis in Fig. 1;
Fig. 3 is the generalized section of the supporter in Fig. 1;
Fig. 4 is the generalized section of the supporting element in Fig. 1;
Fig. 5 is the schematic perspective view strutting sheet in Fig. 1.
Embodiment
In order to there be understanding clearly to technical characteristics of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, the inboard wall of tube body device for spreading in a preferred embodiment of the invention comprises tensile axis 1, supporter 2, supporting element 3, drive unit 4 and spreading mechanism 5.Body 6 can be common pipe structure, also can be the bolt with endoporus, and the endoporus of pipe structure or bolt is strutted distortion by device for spreading, prevents from being set in the element falling on pipe structure or bolt.Preferably, in the present embodiment, body 6, for being located in the bolt with endoporus on balancing weight, outwards strutting the endoporus sidewall of bolt, can prevent the bolt falling be located on balancing weight, improves balancing weight working life.
Shown in composition graphs 1 and Fig. 2, tensile axis 1 can axially movably wear body endoporus 61, and tensile axis 1 comprises the first paragraph 11 extending into body endoporus 61 and the second segment 12 arranged to body endoporus 61 extension by first paragraph 11 one end.The sidewall of first paragraph 11 is formed push away and draws face 111, push away and draw face 111 away from second segment 12 end side to outward-dipping.
Shown in composition graphs 1 and Fig. 3, Fig. 4, supporter 2 to be arranged on second segment 12 and to protrude from the outer wall of second segment 12, with drive unit 4 provide against.Supporting element 3 axially movably can be set in second segment 12 outer ring, and supporting element 3 is near first paragraph 11 one end, and preferably, supporting element 3 is the collar of annular.
Again as shown in Figure 1, drive unit 4 telescopically is arranged between supporter 2 and supporting element 3, spreading mechanism 5 draws face 111 and is slidably matched with along pushing away the true dip direction movement of drawing face 111 with pushing away, and spreading mechanism 5 offsets with body endoporus 61 sidewall and can match with supporting element 3 with moving radially.
Drive unit 4 is flexible to drive tensile axis 1 and supporter 2 to move outside body endoporus 61, makes spreading mechanism 5 draw face 111 slide along pushing away, and relative support 3 radially outward moves and extrudes body endoporus 61 sidewall, and body 6 is strutted outside distortion.
Further, first paragraph 11 is in cone-shaped, and the little head end of cone is arranged towards second segment 12, and the inclined outer wall face of cone is formed to push away draws face 111.In other embodiments, first paragraph 11 also can comprise directly stretch shaft part and at least two be raised in the tractive unit directly stretching shaft part outer ring, tractive unit circumferentially distributes.Tractive unit is formed with pushing away of supplying spreading mechanism 5 to be slidably matched and draws face 111, move radially when pushing away and drawing and slide in face 111 so that spreading mechanism 5 can be made.
Further, second segment 12 is provided with screw thread, and supporter 2 can be nut, with second segment 12 screw-thread fit.In other embodiments, supporter 2 also can engage with second segment 12, or adopts other Placements, guarantees to fix with tensile axis 1.
In certain embodiments, second segment 12 end face opposing with first paragraph 11 is provided with tapped hole (not shown), the axle center of tapped hole and the axis coinciding of tensile axis 1, when installing device for spreading, tapped hole is connected with miscellaneous part, convenient to the location, central position between tensile axis 1 and body 6.The outer wall border of supporter 2 is provided with some mounting holes 21, when installing device for spreading, can be connected, to device for spreading stationary positioned with other assemblys with mounting hole 21.
Preferably, shown in composition graphs 1 and Fig. 5, spreading mechanism 5 comprises two panels and struts sheet 51, is separately positioned on the two opposite sides of tensile axis 1 first paragraph 11, ensure that stressed even.Each struts sheet 51 and is provided with and pushes away the face that compresses 511 of drawing face 111 and coordinating, strut sheet 51 and draw face 111 interaction along pushing away, when strutting sheet 51 radially outward and moving, body 6 two opposite sides are strutted distortion, when needs strut other positions of body 6 circumference, rotate turning to of spreading mechanism 5.
In other embodiments, spreading mechanism 5 also can only include a slice and strut sheet 51, also can comprise more than two strut sheet 51, multiple sheet 51 that struts circumferentially is intervally arranged.When strutting sheet 51 radially outward and moving, the respective side of body 6 is strutted distortion, when needs strut other positions of body 6 circumference, rotate turning to of spreading mechanism 5.
As shown in Figure 2, further, the two opposite sides of the stub end of cone-shape first paragraph 11 are formed with to the axle center skew of first paragraph 11 side grain 112 arranged with axis being parallel, side grain 112 can be and body 6 circumference departs from other positions strutting position provides inside deformation space, also facilitates and takes out completing to strut in the active body endoporus 61 of action after-drawing axle 1.Certainly, when the stub end size of cone-shape first paragraph 11 is little, also side grain 112 can be set.
As shown in Figures 1 and 5, preferably, strut sheet 51 with compress opposing side, face 511 be provided with body endoporus 61 sidewall against lug boss 512.Further, lug boss 512 comprises the raised line circumferentially arranged, the section semicircular in shape of raised line, semicircular structure can increase the pressure to body endoporus 61 sidewall, be beneficial to the distortion of body 6, certainly, the section of raised line also tapered grade can increase stressed shape.
Further, for another example shown in Fig. 1, Fig. 4 and Fig. 5, strutting sheet 51 end face corresponding with supporting element 3 is provided with to the axially extended guide portion 513 in supporting element 3 side, and the outer wall of supporting element 3 one end corresponding with strutting sheet 51 is circumferentially provided with the escape groove 31 of accommodating guide portion 513.Preferably, the end face of guide portion 513 offsets with the side wall surface of escape groove 31 and coordinates, and makes both in axial mutually location, allows strut sheet 51 and can move radially.
Preferably, guide portion 513 comprise extend radially outwardly arrange compress platform 514, compress platform 514 and offset with the end face of body 6 and coordinate, guide portion 513 is pressed together on the end face of body 6 by supporting element 3.Drive unit 4 at axial stretching time, supporting element 3 stressed with strut sheet 51, body 6 three in axially locating.
In certain embodiments, be provided with radially extended positioning hole 311 in escape groove 31, guide portion 513 is provided with the pilot hole 5131 corresponding with positioning hole 311, is equipped with directional post in positioning hole 311 and pilot hole 5131, struts sheet 51 move radially to guide.In other embodiments, supporting element 3 and strutting between sheet 51 also cooperatively interacts by the chute that radial direction is extended, and the section of chute can be dovetail groove, can to radially-directed, also can in axial location mutually.
As shown in Figure 1, in certain embodiments, drive unit 4 comprises a group oil cylinder 41 and piston 42, piston 42 is arranged along the axis of tensile axis 1, and offsets with supporter 2, when piston 42 stretches out, compress supporter 2, supporting element 3 is compressed to body 6 one end by reaction force, drives tensile axis 1 axially outwards mobile, allows strut sheet 51 and move radially.Preferably, drive unit 4 comprises many group oil cylinders 41 and piston 42, circumferentially arranges, and allows the stressed of supporter 2 more balance.
Utilize oil cylinder 41 and piston 42 to drive, can working strength be reduced.In other embodiments, drive unit 4 also can comprise one or more groups cylinder and piston 42, and piston 42 also can offset with supporting element 3.Certain drive unit 4 also can be other mechanism, can allow supporting element 3 and supporter 2 away from, drive tensile axis 1 outwards to move axially.
Understandably, above-mentioned each technical characteristics can combination in any use and unrestricted.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an inboard wall of tube body device for spreading, is characterized in that, comprising:
Axially movably can wear the tensile axis (1) of body endoporus (61), described tensile axis (1) comprises the first paragraph (11) extending into described body endoporus (61) and the second segment (12) arranged to described body endoporus (61) extension by described first paragraph (11) one end, the sidewall of described first paragraph (11) is formed push away and draws face (111), described in push away and draw face (111) away from described second segment (12) end side to outward-dipping;
Be arranged on the supporter (2) in described second segment (12) outer wall;
Axially movably can be set in the supporting element (3) of described second segment (12) outer ring, described supporting element (3) is near described first paragraph (11) one end;
Telescopically is arranged on the drive unit (4) between described supporter (2) and described supporting element (3); And
Push away with described the spreading mechanism (5) drawing face (111) and be slidably matched to push away the true dip direction movement of drawing face (111) described in edge, described spreading mechanism (5) offsets with described body endoporus (61) sidewall and can match with described supporting element (3) with moving radially;
Described drive unit (4) is flexible to drive described tensile axis (1) and described supporter (2) to the outer movement of described body endoporus (61), make to push away described in described spreading mechanism (5) edge to draw face (111) slip, and move described body endoporus (61) sidewall of extruding relative to described supporting element (3) radially outward, body (6) is strutted outside distortion.
2. inboard wall of tube body device for spreading according to claim 1, it is characterized in that, described first paragraph (11) is in cone-shaped, and the little head end of cone is arranged towards described second segment (12), pushes away and draw face (111) described in the inclined outer wall face of described cone-shaped first paragraph (11) is formed.
3. inboard wall of tube body device for spreading according to claim 2, is characterized in that, described spreading mechanism (5) comprises at least a slice and struts sheet (51), described in strut sheet (51) and be provided with and push away the face that compresses (511) of drawing face (111) and coordinating with described.
4. inboard wall of tube body device for spreading according to claim 2, it is characterized in that, described spreading mechanism (5) comprises at least two and struts sheet (51), the described sheet (51) that struts is uniformly distributed circumferentially, and struts sheet (51) and be provided with and push away the face that compresses (511) of drawing face (111) and coordinating with described described in each.
5. the inboard wall of tube body device for spreading according to claim 3 or 4, it is characterized in that, the stub end of described cone-shaped first paragraph (11) the axle center skew that is provided with to described first paragraph (11) of side be formed with the side grain (112) arranged with axis being parallel, described side grain (112) comprises one or circumferentially spaced multiple.
6. the inboard wall of tube body device for spreading according to claim 3 or 4, is characterized in that, described in strut sheet (51) with described compress opposing side, face (511) be provided with described body endoporus (61) sidewall against lug boss (512);
Described lug boss (512) comprises the raised line circumferentially arranged, the section semicircular in shape of described raised line or taper.
7. according to the inboard wall of tube body device for spreading that claim 3 to 4 office is stated, it is characterized in that, described sheet (51) end face corresponding with described supporting element (3) that strut is provided with to the axially extended guide portion in described supporting element (3) side (513), and the outer wall of described supporting element (3) struts with described the escape groove (31) that one end corresponding to sheet (51) is circumferentially provided with accommodating described guide portion (513);
The end face of described guide portion (513) offsets with the side wall surface of described escape groove (31) and coordinates;
Described guide portion (513) comprise extend radially outwardly arrange compress platform (514), the described platform (514) that compresses offsets with the end face of described body (6) and coordinates, and described guide portion (513) is pressed together on the end face of described body (6) by described supporting element (3).
8. inboard wall of tube body device for spreading according to claim 7, it is characterized in that, radially extended positioning hole (311) is provided with in described escape groove (31), described guide portion (513) is provided with the pilot hole (5131) corresponding with described positioning hole (311), be equipped with directional post in described positioning hole (311) and described pilot hole (5131), move radially to strut sheet (51) described in guiding.
9. the inboard wall of tube body device for spreading according to any one of Claims 1-4, is characterized in that, described drive unit (4) comprises at least one group oil cylinder (41) and piston (42); Or described drive unit (4) comprises at least one group of cylinder and piston (42);
Described piston (42) is arranged along the axis of described tensile axis (1), and offsets with described supporter (2) or described supporting element (3).
10. the inboard wall of tube body device for spreading according to any one of Claims 1-4, it is characterized in that, described supporter (2) and described second segment (12) screw-thread fit, the outer wall border of described supporter (2) is provided with some mounting holes (21), the opposing end face of described second segment (12) and described first paragraph (11) is provided with tapped hole, the axle center of described tapped hole and the axis coinciding of described tensile axis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508979.8A CN105114749B (en) | 2015-08-18 | 2015-08-18 | Device for propping inner wall of pipe body open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508979.8A CN105114749B (en) | 2015-08-18 | 2015-08-18 | Device for propping inner wall of pipe body open |
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| Publication Number | Publication Date |
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| CN105114749A true CN105114749A (en) | 2015-12-02 |
| CN105114749B CN105114749B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510508979.8A Active CN105114749B (en) | 2015-08-18 | 2015-08-18 | Device for propping inner wall of pipe body open |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256480A (en) * | 2016-08-24 | 2016-12-28 | 中国航天科技集团公司长征机械厂 | Composite construction internal support device |
| CN115235704A (en) * | 2022-07-26 | 2022-10-25 | 无锡国盛生物工程股份有限公司 | PCR tube sealing performance detection device |
| WO2023142751A1 (en) * | 2022-09-06 | 2023-08-03 | 深圳中广核工程设计有限公司 | Supporting piece and driving mechanism pipe base apparatus |
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| CN204901189U (en) * | 2015-08-18 | 2015-12-23 | 深圳海油工程水下技术有限公司 | Pipe inner wall distraction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106256480A (en) * | 2016-08-24 | 2016-12-28 | 中国航天科技集团公司长征机械厂 | Composite construction internal support device |
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| WO2023142751A1 (en) * | 2022-09-06 | 2023-08-03 | 深圳中广核工程设计有限公司 | Supporting piece and driving mechanism pipe base apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114749B (en) | 2017-05-10 |
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Address after: 4th Floor, Main Building, Science and Technology Building, No. 1067 Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province, 518067 Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 4th Floor, Main Building, Science and Technology Building, No. 1067 Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province, 518067 Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |