CN104514917A - Pin shaft plugging device for stinger pulley group - Google Patents
Pin shaft plugging device for stinger pulley group Download PDFInfo
- Publication number
- CN104514917A CN104514917A CN201510042084.XA CN201510042084A CN104514917A CN 104514917 A CN104514917 A CN 104514917A CN 201510042084 A CN201510042084 A CN 201510042084A CN 104514917 A CN104514917 A CN 104514917A
- Authority
- CN
- China
- Prior art keywords
- bearing pin
- piston rod
- pull
- pipe support
- support rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract 3
- 239000000725 suspension Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats or weights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Actuator (AREA)
Abstract
The invention discloses a pin shaft plugging device for a stinger pulley group, and belongs to the technical field of machinery. The pin shaft plugging device comprises a mounting barrel, a driving cylinder and a piston rod, wherein the mounting barrel comprises a hollow barrel body; one end of the barrel body is connected with one end of a pin shaft; a barrel-shaped cavity is formed by the hollow barrel body and the inner wall of the pin shaft; the driving cylinder and the piston rod are arranged in the cavity; the driving cylinder is connected with the piston rod and drives the piston rod to move; the driving cylinder is hinged to the barrel body; the piston rod is hinged to the pin shaft. According to the pin shaft plugging device, the problems of labor waste, time waste and energy waste for manual pin shaft plugging are solved, so that the pin shaft plugging is more efficient, more accurate and safer.
Description
Technical field
The invention belongs to ocean engineering technical field of mechanical equipment, relate to a kind of drive unit, particularly relate to a kind of pipe support rack sheave block bearing pin plug-in and pull-off device.
Background technique
Submerged pipeline is most important constituent element in ocean engineering, and it builds with installing is all one of problems important in construction project, and along with the needs of submerged pipeline development, main laying instrument, pipe laying barge will be then one of most important ocean engineering ship.S type pipe laying barge is the broad form in pipe laying barge, and not only stablize but also have very high efficiency, during laying, pipeline is under the support of pipe laying barge pipe support rack, and natural torsion becomes S type, thus gains the name.
Pipe support rack is the key equipment of S type pipe laying, under the synergy of stormy waves stream, and stressed complexity, and pipe support rack is general longer, is made up of two joints or more piece.Whole pipe support rack is articulated with stern, separately establishes suspension centre to hold pipe support rack.When changing laying caliber, needing pipe support rack suspension centre place inserted pin to extract, after the devices etc. such as adjustment pipe support rack carrying roller have operated, more again inserted pin being inserted.Because pipe support rack suspension centre disembark stern is far away, and because pin bearing is by very large active force, active force comes from pipe support rack deadweight, pipe laying pressure, stormy waves stream combined force etc., therefore also produces very large frictional force, manually carry out inserted pin take a lot of work, time-consuming, effort.So arrange convenient and reliable and can automatically seem and be necessary very much by hydraulic control inserted pin.And suspension centre is near twisted point, complex structure, compact, therefore built-in hydraulic pressure inserted pin seems particularly necessary.
Therefore, those skilled in the art is devoted to a kind of efficient, convenient, pin inserting-pulling device accurately and rapidly of exploitation.
Summary of the invention
In view of this, the invention provides a kind of pipe support rack sheave block bearing pin plug-in and pull-off device.
For achieving the above object, concrete technological scheme is as follows:
A kind of pipe support rack sheave block bearing pin plug-in and pull-off device, described bearing pin is hollow structure, described plug-in and pull-off device comprises mounting cylinder, drive cylinder and piston rod, described mounting cylinder comprises the cylindrical shell of hollow, one end of described cylindrical shell is connected with one end of described bearing pin, the cylindrical shell of described hollow and the inwall of bearing pin form the cavity of tubular, described drive cylinder and piston rod are located in described cavity, described drive cylinder is connected with described piston rod, and drive described piston rod movement, described drive cylinder and described cylindrical shell hinged, described piston rod and described hinge.
Preferably, described drive cylinder is hydraulic jack.
Preferably, described drive cylinder is double-action list piston-type hydraulic cylinder.
Preferably, the outer surface of described piston rod is provided with ceramic plated layer.
Preferably, the outer surface of described piston rod is also provided with corrosion-resistant resin layer.
Preferably, one end of described cylindrical shell is connected by flange one end with described bearing pin, the other end of described cylindrical shell by the first joint shaft bearing and described drive cylinder hinged.
Preferably, the quantity of described first joint shaft bearing is 2, is limited between described 2 the first joint shaft bearings by setting sleeve.
Preferably, described bearing pin the other end by second joint bearing and described piston rod hinged.
Preferably, the cylindrical shell of described mounting cylinder is also provided with base.
Preferably, described drive cylinder is also provided with displacement transducer.
Relative to prior art, technological scheme of the present invention, by adopting mechanical structure and hydraulic jack etc., changes the working method of Traditional Man dismounting pin, makes inserted pin more efficient and convenient; The accuracy of installing can be ensured simultaneously, the Security of human users can be ensured again, pipe support rack suspension centre sheave block or platform lifting device internal locking device etc. can be widely used in.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the drive cylinder structural representation of embodiments of the invention;
Fig. 3 is the oil cylinder twisted point structural representation of embodiments of the invention;
Fig. 4 is the pin shaft structure schematic diagram of embodiments of the invention;
Fig. 5 is the piston rod twisted point structural representation of embodiments of the invention;
Fig. 6 is the mounting cylinder structural representation of embodiments of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiments of the invention.
A kind of pipe support rack sheave block bearing pin plug-in and pull-off device of embodiments of the invention as shown in Figure 1, wherein, in conjunction with as shown in Figure 4, bearing pin 4 is hollow structure.
And combine as shown in Figure 2, plug-in and pull-off device comprises mounting cylinder, drive cylinder 2 and piston rod 8.Mounting cylinder comprises the cylindrical shell 3 of hollow, and one end of cylindrical shell 3 is connected with one end of bearing pin 4, and the cylindrical shell 3 of hollow and the inwall of bearing pin 4 form the cavity of tubular.Drive cylinder 2 and piston rod 8 are located in cavity, and drive cylinder 2 is connected with piston rod 8, and piston rod 8 is moved.Drive cylinder 2 is hinged by oil cylinder hinge 1 and cylindrical shell 3, and piston rod 8 is hinged by piston rod hinge 5 and bearing pin 4.
As shown in figs. 1 and 2, in an embodiment of the present invention, the driving mode of drive cylinder 2 is hydraulic pressure, is double-action list piston-type hydraulic cylinder (ceramic cylinder rod), and cylinder cap card key connects, band stainless steel displacement transducer 6.Drive cylinder 2 comprises cylinder body 7, and cylinder body 7 left end establishes displacement transducer 6, displacement transducer 6 by Flange joint in cylinder body 7.Preferred piston rod 8 plates pottery, need meeting marine bad working environments, as ducked in drink, more needing corrosion-resistant resin layer.
As shown in Figure 3, in an embodiment of the present invention, oil cylinder twisted point 1 is made up of two the first joint shaft bearings 11, setting sleeve 10, gland 13, flange seats 9 etc.Joint shaft bearing makes oil cylinder and bearing pin better to hole, and does not produce lateral force.Two the first joint shaft bearing 11 centre setting sleeves 10 are spacing, and gland 13 and flange seat 9 are by spacing for joint shaft bearing two ends, and this structure stress is rationally easy to dismounting again.
As shown in Figure 4, in an embodiment of the present invention, bearing pin 4 material is preferably high strength alloy steel, and its center drilling, piston rod is built in bearing pin.Bearing pin 4 end arranges baffle plate, is connected with pin bolt, is convenient to dismounting oil cylinder.
As shown in Fig. 1,2 and 5, in an embodiment of the present invention, piston rod twisted point 5 is made up of straight pin 16, second joint bearing, plug screw 17, axle sleeve 18, top pull head 19, dome plate 20 etc.Power is passed to bearing pin 4 by piston rod twisted point 5 by oil cylinder, to realize the action of bearing pin.Top pull head 19 and the spacing axial float of piston rod twisted point 5 of dome plate 20, make bearing pin 4 relative with piston rod 8 fixing.
As shown in Figure 6, in an embodiment of the present invention, mounting cylinder is made up of cylindrical shell 3 and base 21.Oil cylinder is articulated with in cylindrical shell 3, and cylindrical shell 3 right-hand member and bearing pin Flange joint, be convenient to dismounting.Cylindrical shell 3 establishes mechanical locking device, prevents oil cylinder from producing latch because of leakage and extract out.Cylindrical shell 3 left end arranges Flange joint, is convenient to dismounting.
Embodiments of the invention, by adopting mechanical structure and hydraulic jack etc., change the working method of Traditional Man dismounting pin, make inserted pin more efficient and convenient; The accuracy of installing can be ensured simultaneously, the Security of human users can be ensured again, pipe support rack suspension centre sheave block or platform lifting device internal locking device etc. can be widely used in.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (10)
1. a pipe support rack sheave block bearing pin plug-in and pull-off device, it is characterized in that, described bearing pin is hollow structure, described plug-in and pull-off device comprises mounting cylinder, drive cylinder and piston rod, described mounting cylinder comprises the cylindrical shell of hollow, one end of described cylindrical shell is connected with one end of described bearing pin, the cylindrical shell of described hollow and the inwall of bearing pin form the cavity of tubular, described drive cylinder and piston rod are located in described cavity, described drive cylinder is connected with described piston rod, and drive described piston rod movement, described drive cylinder and described cylindrical shell hinged, described piston rod and described hinge.
2. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 1, it is characterized in that, described drive cylinder is hydraulic jack.
3. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 2, it is characterized in that, described drive cylinder is double-action list piston-type hydraulic cylinder.
4. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 3, it is characterized in that, the outer surface of described piston rod is provided with ceramic plated layer.
5. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 4, is characterized in that, the outer surface of described piston rod is also provided with corrosion-resistant resin layer.
6. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 5, it is characterized in that, one end of described cylindrical shell is connected by flange one end with described bearing pin, the other end of described cylindrical shell by the first joint shaft bearing and described drive cylinder hinged.
7. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 6, it is characterized in that, the quantity of described first joint shaft bearing is 2, is limited between described 2 the first joint shaft bearings by setting sleeve.
8. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 7, is characterized in that, the other end of described bearing pin by second joint bearing and described piston rod hinged.
9. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 1, is characterized in that, the cylindrical shell of described mounting cylinder is also provided with base.
10. pipe support rack sheave block bearing pin plug-in and pull-off device as claimed in claim 1, is characterized in that, described drive cylinder is also provided with displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042084.XA CN104514917B (en) | 2015-01-27 | 2015-01-27 | A kind of stinger assembly pulley bearing pin plug-in and pull-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042084.XA CN104514917B (en) | 2015-01-27 | 2015-01-27 | A kind of stinger assembly pulley bearing pin plug-in and pull-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514917A true CN104514917A (en) | 2015-04-15 |
| CN104514917B CN104514917B (en) | 2017-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042084.XA Active CN104514917B (en) | 2015-01-27 | 2015-01-27 | A kind of stinger assembly pulley bearing pin plug-in and pull-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514917B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571366A (en) * | 2020-12-16 | 2021-03-30 | 浙江青牛智能科技有限公司 | Pipeline inner pipe dragging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605378B1 (en) * | 1986-10-17 | 1991-01-04 | Clement Raymond | INTERVENTION DEVICE ON CONNECTIONS OF PIPES IN SERVICE |
| CN2381861Y (en) * | 1999-08-17 | 2000-06-07 | 上海交通大学 | Pipeline laying apparatus at shallow seabed |
| CN202828026U (en) * | 2012-07-26 | 2013-03-27 | 胜利油田胜利石油化工建设有限责任公司 | Pipe support frame for offshore pipe-laying ship |
| CN103615596A (en) * | 2013-11-14 | 2014-03-05 | 哈尔滨工程大学 | Full-automatic clamping hoop used for seabed jacket repairing |
| CN203571214U (en) * | 2013-11-22 | 2014-04-30 | 中国海洋石油总公司 | Connecting device capable of continuously adjusting curvature of deep water S-shaped stinger |
-
2015
- 2015-01-27 CN CN201510042084.XA patent/CN104514917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605378B1 (en) * | 1986-10-17 | 1991-01-04 | Clement Raymond | INTERVENTION DEVICE ON CONNECTIONS OF PIPES IN SERVICE |
| CN2381861Y (en) * | 1999-08-17 | 2000-06-07 | 上海交通大学 | Pipeline laying apparatus at shallow seabed |
| CN202828026U (en) * | 2012-07-26 | 2013-03-27 | 胜利油田胜利石油化工建设有限责任公司 | Pipe support frame for offshore pipe-laying ship |
| CN103615596A (en) * | 2013-11-14 | 2014-03-05 | 哈尔滨工程大学 | Full-automatic clamping hoop used for seabed jacket repairing |
| CN203571214U (en) * | 2013-11-22 | 2014-04-30 | 中国海洋石油总公司 | Connecting device capable of continuously adjusting curvature of deep water S-shaped stinger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571366A (en) * | 2020-12-16 | 2021-03-30 | 浙江青牛智能科技有限公司 | Pipeline inner pipe dragging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514917B (en) | 2017-03-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |