CN101551015B - Full circle-telescopic shafting end surface sealing device used for deep-sea platform - Google Patents
Full circle-telescopic shafting end surface sealing device used for deep-sea platform Download PDFInfo
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- CN101551015B CN101551015B CN2009100313861A CN200910031386A CN101551015B CN 101551015 B CN101551015 B CN 101551015B CN 2009100313861 A CN2009100313861 A CN 2009100313861A CN 200910031386 A CN200910031386 A CN 200910031386A CN 101551015 B CN101551015 B CN 101551015B
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Abstract
The invention relates to a full revolving-telescopic shafting end surface sealing device used for a deep-sea platform, which is used for a power positioning system of an above-water platform of an ocean engineering to propel shafting water sealing. The sealing device mainly consists of water sealing structures such as a main end surface water sealing friction pair, an adjustable auxiliary end surface water sealing friction pair and a pressure-dividing type auxiliary radial water sealing friction pair and the like. The friction pair adopts solid carbide or uses high-velocity flame spraying technology (or high-temperature overlaying) to melt the solid carbide on a metal material substrate so as to use plunger springs which are distributed axially to compensate automatically the end surface wear of the sealing friction pair. In the process of revolution or axial extension movement of the transmission shaft, each water sealing friction pair have constant sealing state so as to lead the propelling shafting to maintain reliable water sealing performance under the sate of full revolution or extension and the system has high compressive strength and long service life.
Description
Technical field
The present invention relates to a kind of deep-sea platform is face seals with all-rotation-telescopic shaft, specifically be used for the water-stop that deep-sea operation at sea platform dynamic positioning system all-rotation-telescopic cardan shaft is, cardan shaft tied up under the reliable water-stop state can realize locating function waterborne automatically.
Background technique
Deep-sea operation at sea platform carries out the work of geologic prospecting under water or marine petroleum exploitation one class all the year round in open sea regions, need a reliable localization method waterborne.Variation because of the off-lying sea depth of water and various oceans weather springs up as undercurrent under water, and waves whipped up by the wind rolled turbulently for the water surface, and the location waterborne that makes the operation at sea platform is difficulty quite, and is as only relying on traditional anchor chain location, very unreliable and do not have mobility.In the face of this problem, the someone has proposed employing dynamic positioning technology, and the multidirectional thrust power that promptly relies on operation at sea platform self to be provided with is kept platform and is stabilized in the current of upheaval on the given position.This multidirectional power propulsion system requires each cardan shaft system to work under revolution or flexible state, and requires axle system sealing device outside to bear high hydraulic pressure (0.3～0.6Mpa).How to solve this outer compressed water seal problem that had not only had all-rotation but also can have a large-diameter power shafting of Telescopic and just become a technical barrier.
Now, boats and ships are to adopt fixed radial sealing or end face water sealing device with the water-stop of power cardan shaft system both at home and abroad, and are internal pressure types, and promptly the pressure seawater through the inner chamber of seal arrangement, leaks to cabin in the boats and ships outward through sealing friction pair earlier again.Cardan shaft system only requires revolution and Telescopic need not arranged, and therefore this fixed water sealing device is not suitable for the all-rotation-automatic positioning requirements of telescopic power of deep-sea operation at sea platform.Simultaneously, existing marine shafting water sealing friction pair generally all adopts engineering rubber, Cuprum alloy or stainless steel-like material to make, and intensity difference, wear-resistant life-span lack, and are not suitable for the requirement of long service cycle of deep-sea operation at sea platform and high workload reliability.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, thereby provide a kind of system water sealability reliable and stable, compressive strength height, long service life; The axial position of driving sleeve remains unchanged, and can guarantee that cardan shaft ties up to all-rotation or flexible state keeps reliable water sealing property down, and can safeguard that the deep-sea platform of cardan shaft smooth running is a face seals with all-rotation-telescopic shaft.
According to technological scheme provided by the invention, the deep-sea platform with all-rotation-telescopic shaft be face seals comprise base, stationary seal ring, sealing rotating ring, outside framework oil seal base, clamping ring, outside framework oil seal, rotating ring carriage, post spring, transmission snap ring, adjust buckle, driving sleeve, sealing adjustment circle, pressing plate, main transmission ring, filter sand circle, protective housing, adopt stationary seal ring and sealing rotating ring to constitute main end face water sealing friction pair; Stationary seal ring is assemblied in the mounting base, and locatees with positioning screwn; The sealing rotating ring adopts interference fit to be fixed on the rotating ring carriage, and post spring one end is arranged in the rotating ring carriage, and the other end of post spring is supported on the end face of transmission snap ring; Adopt Cock screw will seal rotating ring, rotating ring carriage, post spring, transmission snap ring, adjust to buckle and be fastened on the driving sleeve, and make and seal rotating ring and fit in stationary seal ring; With 2-4 group clamping ring and by bolt the parallel connection of layer 2-4 outside framework oil seal is fixed on formation oil sealing fixing device on the outside framework oil seal base, by bolt the outside framework oil seal base is connected with mounting base, the lip limit of outside framework oil seal and the outer peripheral surface of rotating ring carriage constitute radially water sealing friction pair of partial pressure type again; The main transmission ring is fixed on the transmission shaft, and transmission shaft moves axially can make the mutual binding of main transmission ring and driving sleeve or throw off and connects; The left side of driving sleeve constitutes adjustable auxiliary end face water sealing friction pair with the sealing adjustment circle that is fixed on the pressing plate, and pressing plate is provided with the adjustment screw; The right part of driving sleeve is provided with blind flange, and the driving sleeve face two end part of matching with transmission shaft respectively are provided with one group of zero type rubber seal and back-up ring, and use the screw in compression back-up ring; Protective housing is connected on the clamping ring of oil sealing fixing device end securely with screw.
Described stationary seal ring and sealing rotating ring can adopt Tungsten carbite or silicon carbide Hardmetal materials to form through casting-forging method; Or adopt stainless steel, Copper Alloy Steel material to be made as matrix, on the matrix end surfaces, adopt high speed flange spraying or pile-up welding hard alloy material, Hardmetal materials and matrix are fused into one, and crucible zone thickness is 0.3-0.8mm, after grinding becomes main end-face friction secondary surface.
The internal circumferential of described rotating ring carriage is provided with 6-24 post spring equably, and the post spring adopts stainless steel or alloy steel material to make, and two ends polish.
Described clamping ring is provided with the pressure flow port hole, and one group of clamping ring of described 2-4 group clamping ring right-hand member is embedded with the filter sand circle.
Be provided with internal spline in the left part of described driving sleeve, with the external splines of main transmission ring binding mutually; The driving sleeve axially locating is adjusted between the circle in mounting base and sealing.
Described sealing adjustment circle adopts whole hard alloy material Tungsten carbite or silicon carbide or global copper alloy material tin bronze, aluminum bronze or nickel bronze to make; Also can adopt stainless steel, Cuprum alloy or steel is matrix, adopts flame spraying or high temperature built-up welding on the matrix end surfaces, and Hardmetal materials and matrix are fused into one, and crucible zone thickness is 0.3-0.8mm; Can evenly be processed with the waveform oil groove on the rubbing surface that sealing adjustment is enclosed.
Described mounting base is provided with the recirculated cooling water Vomitory.
Described main transmission ring is made of two semi-rings, and its excircle is processed with the match external splines of connection of internal spline with driving sleeve.
Described filter sand circle is formed through mold pressing by Stainless Steel Wire or copper wire reticular structure.
Described protective housing adopts Stainless Steel Wire or the netted structure of corrosion resistant plate to form through mold pressing.
Described all other component except that the component that circle and various rubber material make are adjusted in stationary seal ring, sealing rotating ring, sealing all adopt the high-strength corrosion-resistant stainless steel material (304,316,316L, 00Cr
18Ni
9Ti, 0Cr
18Ni
9Ti, 1Cr
18Ni
9Ti, 1Cr
13Or 2Cr
13) or Cu alloy material (tin bronze, aluminum bronze, nickel bronze, manganese brass or silicon brass) make, make whole device adapt to the environment usage requirement of seawater corrosion and the high hydraulic pressure in deep-sea.
Compared with the prior art the present invention has the following advantages:
The present invention can make pier power cardan shaft tie up to when working under all-rotation or the flexible state can guarantee that the system water sealability is unaffected, is applicable to the water-stop of deep-sea pier class facility dynamic positioning system.Adopt cemented carbide to adopt high speed flange spraying (or high temperature built-up welding) Hardmetal materials technology, the water-stop reliability and the working life of improving the end-face friction pair greatly as large-diameter end face water sealing friction pair material or at metal base surface.Utilize multilayer rubber outside framework oil seal device as the auxiliary radially water-stop member of partial pressure type, make outside high water pressure energy classification step-down, reduced the differential water pressures that acts directly on the main end face seal friction pair, help reducing the water leakage rate of primary seal friction pair; Increase adjustable auxiliary end face water sealing friction pair structure simultaneously, guaranteed that the present invention has water sealing property very reliably.Transmission shaft is driving with key connecting in the process that driving sleeve turns round or the disengagement key connecting moves as axial stretching, the axial position of driving sleeve remains unchanged, thereby the sealing state of three grades of sealing friction pair of said system is remained unchanged, guarantee that cardan shaft ties up to all-rotation or flexible state keeps reliable water sealing property down.Protective housing among the present invention and two place's filter sand circles can prevent effectively that fishing net, silt and all kinds of foreign material in the seawater to the harm of equipment, safeguarding the smooth running of cardan shaft and the reliability of system water sealability.
Description of drawings
Fig. 1 is the face seals general assembly drawing for deep-sea of the present invention pier with all-rotation-telescopic shaft;
Fig. 2 is the first kind of example structure schematic representation of stationary seal ring among the present invention;
Fig. 3 is the first kind of example structure schematic representation of sealing rotating ring among the present invention;
Fig. 4 is the second kind of example structure schematic representation of stationary seal ring among the present invention;
Fig. 5 is the second kind of example structure schematic representation of sealing rotating ring among the present invention;
Fig. 6 is the first kind of example structure schematic representation of sealing adjustment circle among the present invention;
Fig. 7 is the second kind of example structure schematic representation of sealing adjustment circle among the present invention;
Fig. 8 is the assembling of the driving sleeve parts among the present invention schematic representation;
Fig. 9 is the filter sand coil structures schematic representation among the present invention;
Figure 10 for the female splined shaft of the driving sleeve among the present invention to structural representation;
Figure 11 is the assembling of the oil sealing fixing device parts among the present invention schematic representation;
Figure 12 is the assembling schematic representation of the sealing adjustment circle among the present invention;
Figure 13 is the parts assembling schematic representation of the main transmission ring among the present invention;
Figure 14 is the protective roof structure schematic representation among the present invention.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figure 1, the present invention by mounting base 1, stationary seal ring 2, positioning screwn 3, sealing rotating ring 4, outside framework oil seal base 5, clamping ring 6, outside framework oil seal 7, bolt 8, rotating ring carriage 9, post spring 10, transmission snap ring 11, adjust buckle 12, Cock screw 13, driving sleeve 14, sealing are adjusted circle 15, pressing plate 16, main transmission ring 17, filter sand circle 18, protective housing 19, pad 20, parts such as adjustment screw 21, blind flange 22 and some zero type rubber seal assemble through threaded fastener.
The present invention is installed on the bulkhead of deep-sea each cardan shaft of operation at sea platform by seawater one side position.No matter whether cardan shaft is in running or telescopic moving state, all rely on the present invention that cabin in outside seawater and the operation at sea platform is separated.
Outside seawater is assisted radially water-stop flow channel through the partial pressure type of outside framework oil seal fixing device of the present invention and rotating ring bracket shell formation earlier, the pressure seawater acts on the outside of the main end face water sealing friction pair that is made of sealing rotating ring 4, stationary seal ring 2 again after the layering sealing decompression of multilayer outside framework oil seal, end face seal through water-stop master friction pair stops extraneous seawater to enter interior cabin.Enter interior cabin again in order to prevent that the possible water of primary seal friction pair from leaking, the adjustable auxiliary end face water sealing friction pair that the end face of adjusting circle by the end face and the sealing of driving sleeve 14 constitutes produces the auxiliary water seal action.By the effect of above-mentioned three grades of water sealing friction pair, realized that reliably the cabin is to the seal request of seawater in the operation at sea platform.
Described mounting base 1 is used for connecting of the outer bulkhead of single unit system of the present invention and operation at sea platform, in be provided with the recirculated cooling water Vomitory.When causing temperature to raise because of main end face seal friction pair frictional heating, can connect circulating water and be cooled off; Simultaneously, when leak by the primary seal friction pair water roll up a certain amount of after, also can seawater be discharged by this drain passage.
Described sealing rotating ring 4 constitutes main end face water sealing friction pair of the present invention with stationary seal ring 2, be shaped through casting-forging method by seawater corrosion resistance, wear-resistant, high strength cemented carbide material (silicon carbide, Tungsten carbite), or be matrix by corrosion-resistant metallic material (stainless steel, Cuprum alloy or other high-quality structural steel), (0.3～0.8mm) above-mentioned Hardmetal materials is made at matrix rubbing surface one side clinkering certain thickness by high speed flange spraying (or high temperature built-up welding) technology.Stationary seal ring 2 is fixed on the mounting base 1, and with positioning screwn 3 location, stops stationary seal ring 2 to rotate in mounting base 1.Combine as a whole by mounting base 1 and operation at sea platform hull cabin plate again.Sealing rotating ring 4 adopts interference fit to be fixed in the rotating ring carriage 9,6～24 post springs 10 circumferentially are arranged in the rotating ring carriage equably, the other end of each post spring is supported on the end face of transmission snap ring 11, relies on the elastic force promotion rotating ring carriage 9 drive sealing rotating rings 4 of post spring to be close to stationary seal ring 2.Adjust the position to axial that button 12 is used for determining rotating ring carriage 9 and transmission snap ring 11, make each post spring location and installation under the pre compressed magnitude of setting.During assembling, adopt Cock screw 13 will seal rotating ring 4, rotating ring carriage 9, post spring 10, transmission snap ring 11, adjust buckle 12 and the parts integral body that is assembled into of corresponding zero type rubber seal be fastened on the driving sleeve 14 and make and seal rotating ring 4 and stationary seal ring 2 fits, above-mentioned parts integral body can be rotated synchronously with driving sleeve; Take off again and adjust button 12, make rotating ring carriage 9 under the precompression resilient force of post spring 10, promote sealing rotating ring 4 close applying stationary seal rings 2, the main end face water sealing friction pair that stationary seal ring 2 and sealing rotating ring 4 are constituted among the present invention.
Described outside framework oil seal fixing device is by 2-4 group clamping ring 6 parallel connection of layer 2-4 outside framework oil seal to be fixed together, and combines as a whole with mounting base 1 of the present invention.The water-stop of the flow channel that outside framework oil seal fixing device and rotating ring carriage 9 constitute is to realize by the partial pressure type radial seal friction pair of the lip limit of outside framework oil seal 7 and rotating ring carriage 9 outer peripheral surfaces formation.The spring that is arranged in the outside framework oil seal 7 lip limits is tightly withheld the lip limit on rotating ring carriage 9 outer peripheral surfaces, on clamping ring 6, also be provided with the pressure flow port hole, with the differential water pressures between each layer of press water balance outside framework oil seal, mode with the layering decompression stops outside seawater directly to enter inner chamber, reduce the external water pressure act on the main end face water sealing friction pair that constitutes by the dynamic and static ring of sealing, reduce the water leakage rate of main end face water sealing friction pair and prolong working life of outside framework oil seal.Simultaneously, the filter sand circle 18 that is arranged in the outside framework oil seal fixing device is used for stoping the silt of outside seawater to enter inner chamber, protection primary seal friction pair, the working life of prolongation primary seal friction pair.
In order to prevent that Cock screw 13 from damaging transmission shaft in rundown process, be provided with pad 20 at the corresponding site of transmission shaft.By clamping ring 6 and bolt 8 outside framework oil seal 7 is fixed on the outside framework oil seal base 5, outside framework oil seal base 5 is an one with mounting base 1 usefulness Bolt Connection.Outside framework oil seal 7 constitutes the auxiliary radially water sealing friction pair of partial pressure type among the present invention with the outer peripheral surface of rotating ring carriage 9.
External splines on internal spline on the driving sleeve 14 and the main transmission ring 17 is transmission joint each other, move axially the distance L that presets when transmission shaft after, main transmission ring 17 promptly with driving sleeve 14 mutual bindings, driving sleeve 14 can rotate synchronously with transmission shaft; When transmission shaft oppositely move make main transmission ring 17 break away from driving sleeves 14 after, driving sleeve 14 promptly stops operating.The left side of driving sleeve 14 be fixed on sealing adjustment circle 15 on the pressing plate 16 and constitute adjustable auxiliary end face water sealing friction pair among the present invention.
Described driving sleeve 14 is provided with the kinetic friction face of internal spline structure and auxiliary end face water sealing friction pair.For being slidingly matched, the water-stop of its matching surface is realized by two places, the zero type rubber seal and the ring washer combination that are fixed in the driving sleeve 14 between driving sleeve 14 and the cardan shaft.The internal spline structure that is provided with in driving sleeve 14 ends is used to transmit the moment of torsion of cardan shaft system, when cardan shaft moves axially, the external splines that is fixed on main transmission ring 17 on the cardan shaft is meshed with the internal spline of driving sleeve, cardan shaft will drive driving sleeve and rotate synchronously, and then drive transmission snap ring of the present invention and rotate synchronously together with the sealing rotating ring of main friction pair.At this moment, the end face of driving sleeve 14 constitutes adjustable auxiliary end face water sealing friction pair of the present invention with the end face that circle is adjusted in sealing, can adjust sealing by the adjustment screw and adjust the contact pressure of the end face of circle to the end face of driving sleeve, realizes reliable water-stop.In the axially movable process of cardan shaft, main transmission ring 17 is thrown off driving sleeve, driving sleeve 14 is adjusted the axially locating restriction of circle because of being subjected to mounting base and sealing, can not axially move forward and backward with cardan shaft, therefore be fixed on parts such as transmission snap ring 11, rotating ring carriage 9 and sealing rotating ring 4 on the driving sleeve and can not produce and move axially, thereby the sealing state of primary seal friction pair is remained unchanged, keep normal water sealing property.
The filter sand circle 18 that is arranged in the driving sleeve 14 is used for removing the silt foreign material that stick to the cardan shaft surface at the cardan shaft telescopic process; retainer shaft is with respect to the turbidity test of the moving surface of driving sleeve, thereby protects the normal water sealability of zero type rubber seal.The adjusting screw that is arranged on the driving sleeve two ends is used to adjust the degree that compresses of zero type rubber seal and ring washer, makes zero type circle keep good water sealing property.
Adjust the cooperation elasticity of the auxiliary end face water sealing friction pair of adjustment screw 21 can regulate on the pressing plate, with control water leakage rate.Two filter sand circles 18 be installed in respectively in the clamping ring 6 of oil sealing fixing device end and with the joining blind flange 22 in the right part of driving sleeve 14 in, be used for stopping that the silt foreign material of seawater enter inner chamber of the present invention; While, can be used to again remove the impurity that sticks on the transmission shaft at transmission shafts in moving process, improves the water sealing property of zero type rubber seal in the driving sleeve 14.Protective housing 19 is fixed on the clamping ring 6 of oil sealing fixing device end, is used for stopping that the fishing net of seawater or animals and plants hinder proper functioning near the present invention.Mounting base 1 of the present invention is the bulkhead outside that is securely fixed in deep-sea pier hull by circumferential uniform bolt.
When transmission shaft rotated, main transmission ring 17 was in binding state mutually with driving sleeve 14, and transmission shaft rotates synchronously by the moving driving sleeve of main transmission endless belt, and the present invention is being subjected to external water pressure (0.3～0.6Mpa) time work.Driving sleeve 14 drives parts such as transmission snap ring 11, post spring 10, rotating ring carriage 9, sealing rotating ring 4 and does to rotate synchronously, the end face of sealing rotating ring is close to the end face of stationary seal ring 2 by the precompression elastic force of 6-24 post spring, forms main end face water sealing friction pair of the present invention.After the primary seal friction pair produced wearing and tearing, the sealing rotating ring was kept the normal water sealability of primary seal friction pair by the automatic compensate for wear amount of the resiliently deformable of post spring.The auxiliary radially water sealing friction pair of partial pressure type that is made of the outer peripheral surface of the lip limit of 2～4 layers of outside framework oil seal 7 and rotating ring carriage 9 is in the course of the work progressively with the step-down of external high pressure seawater, the pressure reduction that acts directly on the main end face water sealing friction pair is reduced, thereby reduce the water leakage rate of main end face water sealing friction pair.The auxiliary seal guarantee can be carried out to the possible leakage water of main end face water sealing friction pair with the adjustable auxiliary end face water sealing friction pair that sealing adjustment circle 15 right sides are constituted in left side by rotary axle box 14.If have the seawater of coming, can discharge from the recirculated cooling water Vomitory on the mounting base 1 24 from main end face seal friction pair leakage in cavity 23 inner products of the present invention; Simultaneously, passage 24 can be connected to water cooling system, can keep single unit system to work under normal temperature by recirculated cooling water to reduce the possible work temperature rise of inner chamber of the present invention in case of necessity.
When after transmission shaft shuts down, moving axially, the external splines of main transmission ring 17 is thrown off the internal spline of driving sleeve 14, driving sleeve continues retainer shaft to invariant position, main end face water sealing friction pair, auxiliary end face water sealing friction pair, auxiliary radially water sealing friction pair and each zero type seal with elastometic washer position all keep original sealing state constant, and having kept package unit is to the sealability of seawater in the telescopic process at axle.
Shown in accompanying drawing 2,3, stationary seal ring 2 and two kinds of structural types that seal rotating ring 4 among the present invention are described respectively, all adopt the whole hard alloy material to make, the cemented carbide material is Tungsten carbite or silicon carbide.
Shown in accompanying drawing 4,5, stationary seal ring 2 and the two kinds of structural types in addition that seal rotating ring 4 among the present invention are described respectively, structural matrix adopts stainless steel, Cuprum alloy or other quality structure steel, adopts high speed flange spraying (or high temperature built-up welding) technology with Hardmetal materials again on the end surface of above-mentioned matrix
(Tungsten carbite or silicon carbide) fuse into one compound with it, crucible zone thickness is 0.3-0.8mm, after after the grinding as main surface of friction pair.
Shown in accompanying drawing 6,7, two kinds of structural types of the sealing adjustment circle 15 among the present invention are described respectively.Fig. 6 adopts whole hard alloy material (Tungsten carbite or silicon carbide) or Cu alloy material (tin bronze, aluminum bronze or nickel bronze) to make; It is matrix that Fig. 7 adopts stainless steel, Cuprum alloy or other quality structure steel, use high speed flange spraying (or high temperature built-up welding) technology again, with fuse into one compound with it of Hardmetal materials (Tungsten carbite or silicon carbide), molten layer thickness is 0.3-0.8mm, and the processing back is as rubbing surface.Can evenly be processed with the waveform oil groove on the rubbing surface that sealing adjustment is enclosed, adopt oil lubrication to reduce the surface friction drag of auxiliary end face seal friction pair.
All other component among the present invention except that the component that circle and various rubber material make are adjusted in stationary seal ring, sealing rotating ring, sealing by corrosion resistant requirement all adopt the high-strength corrosion-resistant stainless steel (304,316,316L, 00Cr
18Ni
9Ti, 0Cr
18Ni
9Ti, 1Cr
18Ni
9Ti, 1Cr
13Or 2Cr
13) or Cuprum alloy (tin bronze, aluminum bronze, nickel bronze, manganese brass or silicon brass) make, make whole device adapt to the environment usage requirement of seawater corrosion and the high hydraulic pressure in deep-sea.
All rubber parts among the present invention all adopt engineering rubber (fluorine rubber or nitrile butadiene rubber) to make.
As shown in Figure 8, the parts for the driving sleeve among the present invention 14 assemble schematic representation.Be embedded with one group of zero type rubber seal and ring washer respectively at the two ends of driving sleeve, utilize adjusting screw to compress ring washer, and then regulate the sealing elasticity on zero type rubber seal and cardan shaft surface, stop seawater to enter interior cabin through the driving sleeve internal surface.Be equipped with blind flange 22 in the right part of driving sleeve (being coastal waters water one end), inside is provided with filter sand circle 18, at axle is in the telescopic process, and the impurity attachment scraping that the filter sand circle will stick on the axle is removed, and stops impurity to enter fitting surface and influences the sealability of zero type circle.The filter sand circle is formed through mold pressing by Stainless Steel Wire (or copper wire) reticular structure, as shown in Figure 9.Be processed with the internal spline of the transmission usefulness that is used as power in the left part of driving sleeve 14, structure as shown in Figure 10.
As shown in Figure 11, be the assembling of the oil sealing fixing device parts among the present invention schematic representation.Adopt many group (2～4 groups) clamping rings 6 and bolt 8 that 7 parallel connections of multilayer (2～4 layers) outside framework oil seal are fixed on the outside framework oil seal base 5.The oil removing sealing is decided outside the clamping ring of device end; be provided with pressure flow port hole 25 on every group of clamping ring 6; make the pressure difference between each layer outside framework oil seal keep balance by the artificial pressure control mode, protection outside framework oil seal 7 is not damaged because of the high differential water pressures in both sides.Outside framework oil seal 7 adopts rubber type of material (fluorine rubber or nitrile butadiene rubber) to make, and includes folder cloth reinforced layer, and has spring and skeleton.In the end of the oil sealing fixing device clamping ring of (by seawater one side), be embedded with filter sand circle 18, the silt foreign material that are used for the filtration resistance seawater enter inner chamber, improve the working life and the sealability of the main end face water sealing friction pair among the present invention, the filter sand coil structures as shown in Figure 9.
As shown in Figure 12, the assembling schematic representation that constitutes the sealing adjustment circle 15 of auxiliary end face water sealing friction pair among the present invention is described.Adjust match with driving sleeve 14 among the present invention applying elasticity of face of adjustment screw 21 adjustable sealing adjustment circles 15 on the pressing plate 16.
As shown in Figure 13, the parts for the main transmission ring 17 among the present invention assemble schematic representation.The main transmission ring is as a whole through bolts assemblies by two semi-loops, is convenient to install on transmission shaft and adjust.Main transmission ring excircle be processed with driving sleeve 14 on internal spline match the connection external splines.
As shown in Figure 14, protective housing 19 structural representations among the present invention are described.Protective housing adopts Stainless Steel Wire (or corrosion resistant plate) reticular structure to form through mold pressing, be connected in securely with screw on the clamping ring of oil sealing fixing device end, can stop that fishing net, animals and plants or other foreign matters infringement the present invention in the ocean are overall, the work safety of attending device.
Claims (10)
1. a deep-sea platform is a face seals with all-rotation-telescopic shaft, it is characterized in that: adopt stationary seal ring (2) and sealing rotating ring (4) to constitute main end face water sealing friction pair; Stationary seal ring (2) is assemblied in the mounting base (1), and locatees with positioning screwn (3); Sealing rotating ring (4) adopts interference fit to be fixed on the rotating ring carriage (9), and post spring (10) one ends are arranged in the rotating ring carriage (9), and the other end of post spring (10) is supported on the end face of transmission snap ring (11); Adopt Cock screw (13) will seal rotating ring (4), rotating ring carriage (9), post spring (10), transmission snap ring (11), adjust and buckle (12) and be fastened on the driving sleeve (14), and make and seal rotating ring (4) and fit in stationary seal ring (2); Organize clamping ring (6) and layer 2-4 outside framework oil seal (7) parallel connection is fixed on upward formation oil sealing fixing device of outside framework oil seal base (5) with 2-4 by bolt (8), by bolt outside framework oil seal base (5) is connected with mounting base (1), the outer peripheral surface of the lip limit of outside framework oil seal (7) and rotating ring carriage (9) constitutes radially water sealing friction pair of partial pressure type again; Main transmission ring (17) is fixed on the transmission shaft, and transmission shaft moves axially can make the mutual binding of main transmission ring (17) and driving sleeve (14) or throw off and connects; The left side of driving sleeve (14) constitutes adjustable auxiliary end face water sealing friction pair with the sealing adjustment circle (15) that is fixed on the pressing plate (16), and pressing plate (16) is provided with adjusts screw (21); The right part of driving sleeve (14) is provided with blind flange (22), and driving sleeve (14) the face two end part of matching with transmission shaft respectively are provided with one group of zero type rubber seal and back-up ring, and use the screw in compression back-up ring; Protective housing (19) is connected on the clamping ring of oil sealing fixing device end securely with screw.
2. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described stationary seal ring (2) and sealing rotating ring (4) can adopt Tungsten carbite or silicon carbide Hardmetal materials to form through casting-forging method; Or adopt stainless steel, Copper Alloy Steel material to be made as matrix, on the matrix end surfaces, adopt high speed flange spraying or pile-up welding hard alloy material, Hardmetal materials and matrix are fused into one, and crucible zone thickness is 0.3-0.8mm, after grinding becomes main end-face friction secondary surface.
3. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, the internal circumferential that it is characterized in that described rotating ring carriage (9) is provided with 6-24 post spring (10) equably, post spring (10) adopts stainless steel or alloy steel material to make, and two ends polish.
4. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described clamping ring (6) is provided with pressure flow port hole (25), one group of clamping ring of described 2-4 group clamping ring (6) right-hand member is embedded with filter sand circle (18).
5. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that being provided with internal spline in the left part of described driving sleeve (14), with the external splines of main transmission ring (17) binding mutually; Driving sleeve (14) axially locating is adjusted between the circle (15) in mounting base (1) and sealing.
6. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described sealing adjustment circle (15) adopts whole hard alloy material Tungsten carbite or silicon carbide or global copper alloy material tin bronze, aluminum bronze or nickel bronze to make; Also can adopt stainless steel, Cuprum alloy or steel is matrix, adopts flame spraying or high temperature built-up welding on the matrix end surfaces, and Hardmetal materials and matrix are fused into one, and crucible zone thickness is 0.3-0.8mm; Can evenly be processed with the waveform oil groove on the rubbing surface of sealing adjustment circle (15).
7. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described mounting base (1) is provided with recirculated cooling water Vomitory (24).
8. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described main transmission ring (17) is made of two semi-rings, and its excircle is processed with the match external splines of connection of internal spline with driving sleeve (14).
9. deep-sea according to claim 4 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described filter sand circle (18) is formed through mold pressing by Stainless Steel Wire or copper wire reticular structure.
10. deep-sea according to claim 1 platform is a face seals with all-rotation-telescopic shaft, it is characterized in that described protective housing (19) adopts Stainless Steel Wire or the netted structure of corrosion resistant plate to form through mold pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313861A CN101551015B (en) | 2009-04-30 | 2009-04-30 | Full circle-telescopic shafting end surface sealing device used for deep-sea platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313861A CN101551015B (en) | 2009-04-30 | 2009-04-30 | Full circle-telescopic shafting end surface sealing device used for deep-sea platform |
Publications (2)
| Publication Number | Publication Date |
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| CN101551015A CN101551015A (en) | 2009-10-07 |
| CN101551015B true CN101551015B (en) | 2011-08-10 |
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| CN2009100313861A Active CN101551015B (en) | 2009-04-30 | 2009-04-30 | Full circle-telescopic shafting end surface sealing device used for deep-sea platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482208A (en) * | 2014-11-19 | 2015-04-01 | 中国船舶重工集团公司第七○二研究所 | Detachable ultrahigh pressure waterproof sealing ring |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061325B (en) * | 2014-06-30 | 2016-03-02 | 舟山市海山密封材料有限公司 | A kind of deep-sea gasket seal |
| CN104443323B (en) * | 2014-11-13 | 2016-02-17 | 上海交通大学 | There is the dark brush-less Dc motor propelling unit in full sea rotating integrated mechanical sealing |
| CN107314113B (en) * | 2017-08-08 | 2019-04-30 | 东台市岳东橡胶密封件厂 | A kind of mechanical sealing static ring mounting structure of radial and axial double containment |
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| US5333882A (en) * | 1990-11-28 | 1994-08-02 | A.W. Chesterton Company | Balanced mechanical seal assembly and flow ring therefor |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN201050598Y (en) * | 2007-03-24 | 2008-04-23 | 虞培清 | Mechanical seal |
| CN201187579Y (en) * | 2008-03-31 | 2009-01-28 | 江苏华阳科技开发有限公司 | Telescopic and full revolving electric propulsion propeller seal device for ship under water |
| CN201554852U (en) * | 2009-04-30 | 2010-08-18 | 无锡市宏源弹性器材有限公司 | Full rotation-telescopic shafting end surface sealing device for deep-sea platform |
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| US5333882A (en) * | 1990-11-28 | 1994-08-02 | A.W. Chesterton Company | Balanced mechanical seal assembly and flow ring therefor |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN201050598Y (en) * | 2007-03-24 | 2008-04-23 | 虞培清 | Mechanical seal |
| CN201187579Y (en) * | 2008-03-31 | 2009-01-28 | 江苏华阳科技开发有限公司 | Telescopic and full revolving electric propulsion propeller seal device for ship under water |
| CN201554852U (en) * | 2009-04-30 | 2010-08-18 | 无锡市宏源弹性器材有限公司 | Full rotation-telescopic shafting end surface sealing device for deep-sea platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104482208A (en) * | 2014-11-19 | 2015-04-01 | 中国船舶重工集团公司第七○二研究所 | Detachable ultrahigh pressure waterproof sealing ring |
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| Publication number | Publication date |
|---|---|
| CN101551015A (en) | 2009-10-07 |
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Address after: No.161 Hubin Road, Huxiang Town, Wuxi City, Jiangsu Province Patentee after: WUXI HONGYUAN DEVFLEX Co.,Ltd. Address before: 214125 double economic zone, Taihu Town, Binhu District, Jiangsu, Wuxi Patentee before: WUXI HONGYUAN DEVFLEX Co.,Ltd. |