CN103836195A - Revolving sealing structure and revolving distributor - Google Patents
Revolving sealing structure and revolving distributor Download PDFInfo
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- CN103836195A CN103836195A CN201210485324.XA CN201210485324A CN103836195A CN 103836195 A CN103836195 A CN 103836195A CN 201210485324 A CN201210485324 A CN 201210485324A CN 103836195 A CN103836195 A CN 103836195A
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Abstract
The invention discloses a revolving sealing structure and a revolving distributor, and relates to the technical field of engineering machines. The revolving sealing structure and the revolving distributor resolve the technical problem that when liquid and gas are simultaneously conveyed in the prior art, leakage occurs easily and safety accidents are caused. The revolving sealing structure comprises a sealing groove formed in the outer wall of a first rotation body and a sealing part embedded in the sealing groove, wherein a barrel-shaped second rotation body is arranged outside the first rotation body in a sleeved mode and can rotate around the first rotation body, and surface contact is formed between the sealing part and the inner wall of the second rotation body. The revolving distributor comprises a core shaft, a barrel body and the revolving sealing structure arranged between the core shaft and the barrel body. The revolving sealing structure and the revolving distributor are used for improving the anti-leakage performance of the revolving distributor.
Description
Technical field
The present invention relates to technical field of engineering machinery, be specifically related to a kind of rotary sealing structure and the revolution distributor of this rotary sealing structure is set.
Background technique
In engineering machinery, between revolution distributor is arranged on and gets on or off the bus, mandrel with get off fixingly, cylindrical shell is connected with getting on the bus, and is following the rotation of getting on the bus, and is used for the control of connection between getting on the bus and getting off to transmit.At present, existing distributor is mainly used for the transmission of liquid.Along with the utilization of pneumatics in engineering machinery, existing distributor can not meet the requirement of getting on or off the bus liquid gas being transmitted simultaneously.
Existing revolution distributor is to be generally made up of mandrel and cylindrical shell, and cylindrical shell is tubular structure, and cylindrical shell can rotate around mandrel, mandrel and the sealing mainly contacting by line in the middle of cylindrical shell, for example O type circle sealing.
At least there is following technical problem in prior art:
Although 1, existing revolution distributor is arranged on and gets on the bus and the gyration center of getting off, owing to there being the reason such as machining error and alignment error of structural member, cylindrical shell is being followed while getting on the bus motion, is the eccentric motion doing with respect to mandrel.At this moment, the Sealing of existing distributor is just easy to wearing and tearing, causes that revolution distributor occurred leaking in the short time.
2, the working pressure on liquid road will, far away higher than the working pressure of gas circuit, enter among gas circuit because leakage can cause high pressure oil, causes the damage of pneumatic element, causes some action of engineering vehicle to be lost efficacy, and finally causes security incident.
Therefore, in the process that prior art exists liquid gas to transmit simultaneously, easily occur to reveal and the technical problem of initiation security incident.
Summary of the invention
The revolution distributor that the object of the invention is to propose a kind of rotary sealing structure and this rotary sealing structure is set, has solved and in the process that prior art exists liquid gas to transmit simultaneously, has easily occurred to reveal and cause the technical problem of security incident.
For achieving the above object, the invention provides following technological scheme:
The rotary sealing structure that the embodiment of the present invention provides, comprises and is arranged at the seal groove on the first solid of rotation outer wall and is embedded in the Sealing in described seal groove, wherein:
Described the first solid of rotation is arranged with the second solid of rotation of tubular outward, and described the second rotation physical efficiency is rotated around described the first solid of rotation;
Between the inwall of described Sealing and described the second solid of rotation, forming surface contacts.
In an optional or preferred embodiment, described seal groove is around the peripheral outer wall of described the first solid of rotation, the second seal ring that described Sealing comprises the first seal ring and connects with described the first seal ring, wherein:
Described the first seal ring deviates from forming surface between the part of described the second seal ring and the inwall of described cylindrical shell and contacts;
Between described the second seal ring and described the first seal ring, for line contacts, and described the second seal ring deviates from and between the bottom surface of the seal groove on part and described first solid of rotation of described the first seal ring, forms that line contacts or face contact.
In an optional or preferred embodiment, the cross section of described the first seal ring is rectangle, and the cross section of described the second seal ring is oval, circle or rectangle.
The revolution distributor that the embodiment of the present invention provides, comprise mandrel, cylindrical shell and be arranged at described mandrel and described cylindrical shell between the rotary sealing structure that provides of the arbitrary technological scheme of the embodiment of the present invention, wherein:
Described mandrel is described the first solid of rotation, and described cylindrical shell is described the second solid of rotation;
On described mandrel, be provided with at least one fluid transfer and at least one gas delivery passage, the Fluid Transport groove that described fluid transfer and described gas delivery passage include separately mandrel fluid passage and be connected with described mandrel fluid passage;
The external port of described mandrel fluid passage is all exposed to the axial end portion of described mandrel;
Described Fluid Transport groove is arranged at the peripheral outer wall of described mandrel and extends along the circumferential direction of described mandrel;
On described cylindrical shell, be provided with at least two cylindrical shell fluid passages, different described cylindrical shell fluid passages is connected with the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage respectively, and the external port of described cylindrical shell fluid passage is exposed to described cylindrical shell;
The described seal groove of described rotary sealing structure is arranged on the outer wall of the described mandrel between the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage, or described seal groove is arranged on the outer wall of the described mandrel between described Fluid Transport groove and the axial end portion of described mandrel.
In an optional or preferred embodiment, the drain charge groove that is also provided with drain charge passage on described mandrel and is connected with described drain charge passage, wherein:
The external port of described drain charge passage is exposed to the axial end portion of described mandrel;
Described drain charge groove is arranged at the peripheral outer wall of described mandrel and extends along the whole circumferential direction of described mandrel.
In an optional or preferred embodiment, on described mandrel, be provided with at least two described drain charge grooves, one of them described drain charge groove is arranged between the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage, and at least wherein another described drain charge groove is arranged between the described Fluid Transport groove and the axial end portion of described mandrel of described fluid transfer.
In an optional or preferred embodiment, between the peripheral outer wall of two axial end portions of described mandrel and described cylindrical shell, be provided with supporting structure, wherein:
Described supporting structure comprises support ring and mounting groove, described mounting groove is arranged at the peripheral outer wall of described mandrel and extends along the whole circumferential direction of described mandrel, and described support ring is embedded in described mounting groove and respectively with the bottom surface of described mounting groove and the inwall forming surface of described cylindrical shell contact or line contacts.
In an optional or preferred embodiment, described support ring is phenolic resin.
In an optional or preferred embodiment, on the outer wall of described mandrel, be installed with external diameter and be more than or equal to the limit convex edge of described cylindrical shell external diameter and be sheathed on outside described mandrel and press on described limit convex along upper mandrel wear-resistant pad, wherein one end of described cylindrical shell presses on described mandrel wear-resistant pad.
In an optional or preferred embodiment, described revolution distributor also comprise block, pressure plate structure, positioning and mounting structure and Wiring structure at least one of them, wherein:
Described block is cuboid shape, and described block is fixedly connected on the outer wall of described cylindrical shell;
Described pressure plate structure comprises pressing plate and pressing plate wear-resistant pad, the external port of described mandrel fluid passage is exposed to one of them axial end portion of described mandrel, described pressing plate wear-resistant pad is connected to described mandrel wherein on another axial end portion, and described pressing plate presses on wherein another axial end of described cylindrical shell and described pressing plate wear-resistant pad and described pressing plate is fixedly connected with described mandrel;
Described positioning and mounting structure comprises installation base and chock insulator matter, described installation base is fixedly arranged on the outer wall of described mandrel, described installation base and the installation through hole that is provided with axial direction on described chock insulator matter and parallels with the axial direction of described mandrel, and the installation through hole on described installation base is coaxial with the installation through hole on described chock insulator matter, the end face that described chock insulator matter is positioned at described installation base below and the bottom surface of described chock insulator matter and the axial end portion of described mandrel is positioned at same plane;
Described Wiring structure comprises thread hole and brush housing, and described thread hole extends and runs through described mandrel along the axial direction of described mandrel.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Between the inwall of Sealing and the second solid of rotation in the rotary sealing structure that the embodiment of the present invention provides (being preferably the cylindrical shell of revolution distributor), forming surface contacts, face contacts contact face is long-pending large, pressure is little, so it is stronger to resist the ability of eccentric motion, so Sealing is not easy to wear, the better effects if of anti-leak, be not prone to leakage, when rotary sealing structure applications provided by the invention in revolution distributor in order to prevent between the Fluid Transport groove of fluid transfer and the Fluid Transport groove of gas delivery passage can reaching desirable anti-leak result while there is leakage, the Fluid Transport groove of the Fluid Transport groove of fluid transfer and gas delivery passage can be isolated into oil circuit part and air path part two-part reliably, so avoided the accident causing because reveal, so solved and easily occurred to reveal in the process that prior art exists liquid gas to transmit and cause the technical problem of security incident simultaneously.
In addition, optimal technical scheme provided by the invention compared with prior art at least can also produce following technique effect:
1, arranging of block can be located reliably to cylindrical shell, is convenient to the carrying out of fitting operation.
2, when the support ring in supporting structure has carried the relative mandrel eccentric rotary of cylindrical shell main stressed, reduce the wearing and tearing of Sealing, greatly extend the present invention and turned round the working life of distributor.
3, pressure plate structure can not only be realized location to cylindrical shell preferably, and can avoid pressing plate wearing and tearing.
4, the setting of Wiring structure is convenient to draw the circuit of the hoist that this revolution distributor is set.
Many other technologies effects that the preferred technological scheme of the present invention produces, will below continue further describe.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The cross-sectional schematic of the revolution distributor that Fig. 1 is the rotary sealing structure that the embodiment of the present invention is set provides;
Fig. 2 is the enlarged diagram of A part in Fig. 1;
Fig. 3 is the enlarged diagram of B part in Fig. 1;
Fig. 4 is the schematic diagram that turns round annexation between the block of distributor and fork shown in Fig. 1;
Fig. 5 is the partial schematic sectional view of turning round annexation between distributor and brush housing shown in Fig. 1;
Fig. 6 is the schematic diagram that turns round the axial direction of the cylindrical shell of distributor shown in Fig. 1;
Fig. 7 is the cross-sectional schematic of Fig. 6 along C-C line;
Fig. 8 is the cross-sectional schematic of Fig. 6 along D-D line;
Mark in figure: 1, the first solid of rotation; 11, seal groove; 12, Sealing; 121, the first seal ring; 122, the second seal ring; 13, fluid transfer; 14, gas delivery passage; 2, the second solid of rotation; 21, cylindrical shell fluid passage; 341, mandrel fluid passage; 342, Fluid Transport groove; 41, drain charge passage; 42, drain charge groove; 5, supporting structure; 51, support ring; 52, mounting groove; 61, limit convex edge; 62, mandrel wear-resistant pad; 71, block; 72, pressure plate structure; 721, pressing plate; 722, pressing plate wear-resistant pad; 73, positioning and mounting structure; 731, installation base; 732, chock insulator matter; 733, through hole is installed; 74, Wiring structure; 741, thread hole; 742, brush housing; 743, land; 744, transition disc; 745, weld seam; 8, fork.
Embodiment
Below by accompanying drawing Fig. 1～Fig. 8 and enumerate optional embodiments' more of the present invention mode, technological scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristics in the present embodiment (can use comma between technical characteristics, fullstop, pause mark or branch etc. arbitrarily punctuation mark separate), any technological scheme is all one or more in technical characteristics or the optional technological scheme of plurality of optional, cannot exhaustive all alternative technical characteristicss of the present invention and alternative technological scheme in order to describe succinct need in presents, also the mode of execution that is not easy to each technical characteristics all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristics and any technological scheme in the present embodiment all do not limit the scope of the invention, protection scope of the present invention should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The embodiment of the present invention provides a kind of pattern color of transfer printing bright-coloured, fine and smooth, color fastness is high, simultaneously can carry out fixation to the dyestuff pattern on material to be transferred, and automaticity is high, manufacturing efficiency and yield rate is high, the revolution distributor of suitable for mass production.
Below in conjunction with Fig. 1～Fig. 8, technological scheme provided by the invention is carried out to more detailed elaboration, the technological scheme of arbitrary technological means provided by the invention being replaced or two or more technological means provided by the invention being combined mutually and obtain all should be within protection scope of the present invention.
As shown in Fig. 1～Fig. 8, the rotary sealing structure that the embodiment of the present invention provides, comprises and is arranged at the seal groove 11 on the first solid of rotation 1 outer wall and is embedded in the Sealing 12 in seal groove 11, wherein:
Outer the second solid of rotation 2 that is arranged with tubular of the first solid of rotation 1, and the second solid of rotation 2 can rotate around the first solid of rotation 1.Between the inwall of Sealing 12 and the second solid of rotation 2, forming surface contacts.
In the present embodiment, seal groove 11 is around the outer wall peripheral outer wall of the first solid of rotation 1, the second seal ring 122 that Sealing 12 comprises the first seal ring 121 and connects with the first seal ring 121, wherein:
The first seal ring 121 deviates from forming surface between second part of seal ring 122 and the inwall of cylindrical shell and contacts.
Between the second seal ring 122 and the first seal ring 121 for line contacts, and the second seal ring 122 deviates from and between the part of the first seal ring 121 and the bottom surface of the seal groove 11 on the first solid of rotation 1 (in Fig. 1, the bottom surface of seal groove 11 and the first solid of rotation 1 are that the outer wall of mandrel parallels), forms that line contacts or face contact, is preferably line contact.
After having assembled, the second seal ring 122 has certain amount of deformation, when there are wearing and tearing in the first seal ring 121 in distributor using process, the amount of deformation of the second seal ring 122 can compensate the wear extent of the first seal ring 121, and this seal form can guarantee that the situation lower seal wearing and tearing at seal ring 121 is still effective.
Certainly the technological scheme that, Sealing 12 only comprises a seal ring or comprises more seal rings is also within protection scope of the present invention.
In the present embodiment, the cross section of the first seal ring 121 is preferably rectangle, and the cross section of the second seal ring 122 is preferably ellipse, circle or rectangle.
The first seal ring 121 of this structure and the second seal ring 122 are not only convenient to manufacture, and stressed more even everywhere, not fragile.
Certainly, the cross section of the first seal ring 121 or the second seal ring 122 is that the technological scheme of regular polygon or other shapes is also within protection scope of the present invention.
The revolution distributor that the embodiment of the present invention provides, comprise mandrel, cylindrical shell and be arranged at mandrel and cylindrical shell between the rotary sealing structure that provides of the arbitrary embodiment of the present invention, wherein:
Mandrel is preferably the first solid of rotation 1, and cylindrical shell is preferably the second solid of rotation 2.
Mandrel is provided with at least one (being shown as many in Fig. 1) fluid transfer 13 and at least one (being shown as in Fig. 1) gas delivery passage 14 on the first solid of rotation 1, the Fluid Transport groove 342 that fluid transfer 13 and gas delivery passage 14 include separately mandrel fluid passage (Fig. 1 comprises transverse holes and longitudinal hole, has only illustrated the mandrel fluid passage of gas delivery passage 14 in Fig. 1) 341 and be connected with mandrel fluid passage 341.
The external port of mandrel fluid passage 341 is all exposed to the axial end portion of mandrel.
Cylindrical shell is provided with at least two cylindrical shell fluid passages 21 on the second solid of rotation 2, different cylindrical shell fluid passages 21 is connected with the Fluid Transport groove 342 of fluid transfer 13 and the Fluid Transport groove 342 of gas delivery passage 14 respectively, and the external port of cylindrical shell fluid passage 21 is exposed to cylindrical shell.
The rear that the cylindrical shell fluid passage being connected with the Fluid Transport groove 342 of the gas delivery passage 14 of illustrating in Fig. 2 with Fig. 1 is arranged on the cylindrical shell shown in Fig. 1 stopped by the structure shown in Fig. 1, but in Fig. 7, illustrated this cylindrical shell fluid passage 21.
In like manner, the fluid transfer being connected with the cylindrical shell fluid passage 21 of illustrating in Fig. 1 and gas delivery passage mandrel fluid passage are separately arranged on the rear of the mandrel shown in Fig. 1, owing to being stopped by the structure shown in Fig. 1, so also do not illustrate out.
The seal groove 11 of rotary sealing structure is arranged on the outer wall of the mandrel between the Fluid Transport groove 342 of fluid transfer 13 and the Fluid Transport groove 342 of gas delivery passage 14, or seal groove 11 is arranged on the outer wall of the mandrel between Fluid Transport groove 342 and the axial end portion of mandrel.In this example, be preferably on the outer wall of the mandrel between the Fluid Transport groove 342 of fluid transfer 13 and the Fluid Transport groove 342 of gas delivery passage 14 and be provided with three seal grooves 11, on the outer wall of the mandrel between two axial end portions of Fluid Transport groove 342 and mandrel, be also provided with seal groove 11.
Because Fluid Transport groove 342 is arranged at the peripheral outer wall of mandrel and extends along the circumferential direction of mandrel, so cylindrical shell the second solid of rotation 2 around mandrel when the first solid of rotation 1 rotates, Fluid Transport groove 342 still can keep connected state with mandrel fluid passage 341 and cylindrical shell fluid passage 21, has guaranteed that thus gas and liquid can be in the continuous transmission in process in relative rotation of mandrel and cylindrical shell.
The rotary sealing structure providing due to the arbitrary embodiment of the present invention all can reach good anti-leak effect, so when rotary sealing structure applications provided by the invention occurs can reach desirable anti-leak result while leakage in order to preventing between the Fluid Transport groove 342 of fluid transfer 13 and the Fluid Transport groove 342 of gas delivery passage 14 in revolution distributor, so avoided the accident of the initiation because reveal.
The drain charge groove 42 that is also provided with drain charge passage 41 in the present embodiment on mandrel and is connected with drain charge passage 41, wherein: in figure, illustrated two drain charge passages 41.
The external port of drain charge passage 41 is exposed to the axial end portion of mandrel.The external port of this drain charge passage 41 is preferably with fuel tank and is connected.
In the present embodiment, on mandrel, be provided with at least two drain charge groove 42(figure and be shown as two), one of them drain charge groove 42 is arranged between the Fluid Transport groove 342 of fluid transfer 13 and the Fluid Transport groove 342 of gas delivery passage 14, and at least wherein another drain charge groove 42 is arranged between the Fluid Transport groove 342 and the axial end portion of mandrel of fluid transfer 13.
In the present embodiment, between the peripheral outer wall of two of mandrel axial end portions and cylindrical shell, be provided with supporting structure 5, wherein:
Supporting structure 5 comprises support ring 51 and mounting groove 52, mounting groove 52 is arranged at the peripheral outer wall of mandrel and extends along the whole circumferential direction of mandrel, support ring 51 is embedded in mounting groove 52 and respectively with the bottom surface of mounting groove 52 and the inwall forming surface of cylindrical shell contact or line contact, the face that is preferably contacts.
Main stressed when support ring 51 in supporting structure 5 has carried the relative mandrel eccentric rotary of cylindrical shell, reduce the wearing and tearing of Sealing 12, greatly extend the working life of rotary sealing structure of the present invention and revolution distributor.
Certainly, use other structures with the technological scheme that substitutes supporting structure 5 also within protection scope of the present invention.
In the present embodiment, support ring 51 is preferably phenolic resin.Phenolic resin has good heat-resisting quantity, not fragile in friction process.
Certainly, use the technological scheme of material making support ring 51 also within protection scope of the present invention.
In the present embodiment, on the outer wall of mandrel, be installed with limit convex that external diameter is more than or equal to cylindrical shell external diameter along 61 and be sheathed on outside mandrel and press on limit convex along the mandrel wear-resistant pad 62 on 61, wherein one end of mandrel presses on mandrel wear-resistant pad 62.
Limit convex can avoid cylindrical shell to deviate from from the below of mandrel along 61 arrange.Mandrel wear-resistant pad 62 can reduce the friction between mandrel and cylindrical shell.
Certainly, mandrel wear-resistant pad 62 is not set or use other structures with substitute limit convex along 61 with the technological scheme of mandrel wear-resistant pad 62 also within protection scope of the present invention.
In the present embodiment, turn round distributor also comprise block 71, pressure plate structure 72, positioning and mounting structure 73 and Wiring structure 74 at least one of them, be preferably revolution distributor and both comprised block 71, pressure plate structure 72, positioning and mounting structure 73, comprise again Wiring structure 74.Wherein:
Can realize location and the locking to cylindrical shell by clamping or positive stop 71.
The present embodiment center platen structure 72 comprises pressing plate 721 and pressing plate wear-resistant pad 722, the external port of mandrel fluid passage 341 is exposed to one of them axial end portion of mandrel, pressing plate wear-resistant pad 722 is connected to mandrel wherein on another axial end portion, and pressing plate 721 presses on wherein another axial end of cylindrical shell and pressing plate wear-resistant pad 722 and pressing plate 721 is fixedly connected with mandrel.
Pressure plate structure 72 can avoid mandrel to get loose from the top of cylindrical shell.Pressing plate wear-resistant pad 722 can play the effect that reduces frictional force between cylindrical shell and pressing plate 721.
In the present embodiment, positioning and mounting structure 73 comprises installation base 731 and chock insulator matter 732, installation base 731 is fixedly arranged on the outer wall of mandrel, installation base 731 and the installation through hole 733 that is provided with axial direction on chock insulator matter 732 and parallels with the axial direction of mandrel, and both are coaxial for installation through hole on the installation through hole 733 on installation base 731 and chock insulator matter 732 733, and the end face that chock insulator matter 732 is positioned at installation base 731 belows and the bottom surface of chock insulator matter 732 and the axial end portion of mandrel is positioned at same plane.
The setting of installation base 731 at least has following 2 advantages:
1, for example the lower end of the mandrel of installation base 731 bottoms can be embedded in, in the through hole of pedestal for fixing this revolution distributor (: the subframe of hoist, get off), thereby reduce the whole height of revolution distributor;
2, the vacancy part of installation base 731 belows alleviates distributor overall weight, so the structural design of installation base 731 can alleviate the weight of distributor entirety.
In the present embodiment, Wiring structure 74 comprises thread hole 741 and brush housing 742, and thread hole 741 extends and runs through mandrel along the axial direction of mandrel.
When apolegamy brush, land 743 is welded on the cylindrical shell of revolution distributor, brush is connected with land 743 and transition disc 744.
The setting of thread hole 741 not only can be avoided being wound around damage because of mandrel with the relative rotation of cylindrical shell through the circuit of thread hole 741, and can alleviate the weight of mandrel.
When revolution distributor provided by the invention is installed, can the mandrel of revolution distributor be fixed in a mechanism with screw, it is the external port of fluid transfer 13 and gas delivery passage 14 mandrel fluid passage 341 separately that hydraulic tube in this mechanism and tracheae are connected on hole corresponding to revolution distributor mandrel bottom surface, then block the block 71 on revolution distributor cylindrical shell with the shift fork 8 in another mechanism, the hole that the oil pipe in this mechanism and tracheae are connected to revolution dispenser cartridge body side surface is in the external port of cylindrical shell fluid passage 21.So can realize at two and inter-agencyly in relative rotation transmit hydraulic oil and gas simultaneously.
Certainly the technological scheme on the rotary sealing structure applications, arbitrary the present invention embodiment being provided other devices outside revolution distributor is also within protection scope of the present invention.
The disclosed arbitrary technological scheme of the invention described above unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the present invention just discloses part numerical value to illustrate technological scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention protection domain.
Simultaneously, if the invention described above discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting, forging or Shooting Technique are integrally formed to be created).
In addition, if existed in the disclosed arbitrary technological scheme of the invention described above for representing the term of position relationship or shape, so applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention can be both to be assembled by multiple independent constituent elements, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characteristics is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope of request protection of the present invention.
Claims (10)
1. a rotary sealing structure, is characterized in that, comprise and be arranged at the seal groove on the first solid of rotation outer wall and be embedded in the Sealing in described seal groove, wherein:
Described the first solid of rotation is arranged with the second solid of rotation of tubular outward, and described the second rotation physical efficiency is rotated around described the first solid of rotation;
Between the inwall of described Sealing and described the second solid of rotation, forming surface contacts.
2. rotary sealing structure according to claim 1, is characterized in that, described seal groove is around the peripheral outer wall of described the first solid of rotation, the second seal ring that described Sealing comprises the first seal ring and connects with described the first seal ring, wherein:
Described the first seal ring deviates from forming surface between the part of described the second seal ring and the inwall of described cylindrical shell and contacts;
Between described the second seal ring and described the first seal ring, for line contacts, and described the second seal ring deviates from and between the bottom surface of the seal groove on part and described first solid of rotation of described the first seal ring, forms that line contacts or face contact.
3. rotary sealing structure according to claim 2, is characterized in that, the cross section of described the first seal ring is rectangle, and the cross section of described the second seal ring is ellipse, circle or rectangle.
4. a revolution distributor, is characterized in that, comprise mandrel, cylindrical shell and be arranged at described mandrel and described cylindrical shell between the arbitrary described rotary sealing structure of claim 1-3, wherein:
Described mandrel is described the first solid of rotation, and described cylindrical shell is described the second solid of rotation;
On described mandrel, be provided with at least one fluid transfer and at least one gas delivery passage, the Fluid Transport groove that described fluid transfer and described gas delivery passage include separately mandrel fluid passage and be connected with described mandrel fluid passage;
The external port of described mandrel fluid passage is all exposed to the axial end portion of described mandrel;
Described Fluid Transport groove is arranged at the peripheral outer wall of described mandrel and extends along the circumferential direction of described mandrel;
On described cylindrical shell, be provided with at least two cylindrical shell fluid passages, different described cylindrical shell fluid passages is connected with the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage respectively, and the external port of described cylindrical shell fluid passage is exposed to described cylindrical shell;
The described seal groove of described rotary sealing structure is arranged on the outer wall of the described mandrel between the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage, or described seal groove is arranged on the outer wall of the described mandrel between described Fluid Transport groove and the axial end portion of described mandrel.
5. revolution distributor according to claim 4, is characterized in that, the drain charge groove that is also provided with drain charge passage on described mandrel and is connected with described drain charge passage, wherein:
The external port of described drain charge passage is exposed to the axial end portion of described mandrel;
Described drain charge groove is arranged at the peripheral outer wall of described mandrel and extends along the whole circumferential direction of described mandrel.
6. revolution distributor according to claim 5, it is characterized in that, on described mandrel, be provided with at least two described drain charge grooves, one of them described drain charge groove is arranged between the described Fluid Transport groove of described fluid transfer and the described Fluid Transport groove of described gas delivery passage, and at least wherein another described drain charge groove is arranged between the described Fluid Transport groove and the axial end portion of described mandrel of described fluid transfer.
7. revolution distributor according to claim 5, is characterized in that, between the peripheral outer wall of two axial end portions of described mandrel and described cylindrical shell, is provided with supporting structure, wherein:
Described supporting structure comprises support ring and mounting groove, described mounting groove is arranged at the peripheral outer wall of described mandrel and extends along the whole circumferential direction of described mandrel, and described support ring is embedded in described mounting groove and respectively with the bottom surface of described mounting groove and the inwall forming surface of described cylindrical shell contact or line contacts.
8. revolution distributor according to claim 7, is characterized in that, described support ring is phenolic resin.
9. revolution distributor according to claim 4, it is characterized in that, on the outer wall of described mandrel, be installed with external diameter and be more than or equal to the limit convex edge of described cylindrical shell external diameter and be sheathed on outside described mandrel and press on described limit convex along upper mandrel wear-resistant pad, wherein one end of described cylindrical shell presses on described mandrel wear-resistant pad.
10. according to the arbitrary described revolution distributor of claim 4-9, it is characterized in that, described revolution distributor also comprise block, pressure plate structure, positioning and mounting structure and Wiring structure at least one of them, wherein:
Described block is cuboid shape, and described block is fixedly connected on the outer wall of described cylindrical shell;
Described pressure plate structure comprises pressing plate and pressing plate wear-resistant pad, the external port of described mandrel fluid passage is exposed to one of them axial end portion of described mandrel, described pressing plate wear-resistant pad is connected to described mandrel wherein on another axial end portion, and described pressing plate presses on wherein another axial end of described cylindrical shell and described pressing plate wear-resistant pad and described pressing plate is fixedly connected with described mandrel;
Described positioning and mounting structure comprises installation base and chock insulator matter, described installation base is fixedly arranged on the outer wall of described mandrel, described installation base and the installation through hole that is provided with axial direction on described chock insulator matter and parallels with the axial direction of described mandrel, and the installation through hole on described installation base is coaxial with the installation through hole on described chock insulator matter, the end face that described chock insulator matter is positioned at described installation base below and the bottom surface of described chock insulator matter and the axial end portion of described mandrel is positioned at same plane;
Described Wiring structure comprises thread hole and brush housing, and described thread hole extends and runs through described mandrel along the axial direction of described mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485324.XA CN103836195B (en) | 2012-11-26 | 2012-11-26 | Rotary sealing structure and revolution allotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485324.XA CN103836195B (en) | 2012-11-26 | 2012-11-26 | Rotary sealing structure and revolution allotter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836195A true CN103836195A (en) | 2014-06-04 |
| CN103836195B CN103836195B (en) | 2016-06-29 |
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| CN201210485324.XA Active CN103836195B (en) | 2012-11-26 | 2012-11-26 | Rotary sealing structure and revolution allotter |
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| CN106931262A (en) * | 2017-03-24 | 2017-07-07 | 张嗣远 | A kind of rotary liquid feeding device |
| CN109611629A (en) * | 2018-12-04 | 2019-04-12 | 东莞市永乐机械有限公司 | A kind of binary channels circuit |
| CN114562681A (en) * | 2022-01-25 | 2022-05-31 | 浙江大学 | High-pressure liquid conveying system of arm type centrifugal machine in high centrifugal force environment |
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| US20050046181A1 (en) * | 2003-08-28 | 2005-03-03 | Falconer Darcy Raymond | Fluid rotary union |
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| CN201133532Y (en) * | 2007-11-29 | 2008-10-15 | 湖北三江航天万山特种车辆有限公司 | Multichannel heavy pressure swiveling joint |
| CN201317635Y (en) * | 2008-09-19 | 2009-09-30 | 徐州徐工随车起重机有限公司 | Rotary distributor |
| CN202028765U (en) * | 2011-03-10 | 2011-11-09 | 王式奇 | Improved hydraulic slip ring |
| CN202937813U (en) * | 2012-11-26 | 2013-05-15 | 徐州徐工随车起重机有限公司 | Rotary seal structure and rotary distributor |
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| US20050046181A1 (en) * | 2003-08-28 | 2005-03-03 | Falconer Darcy Raymond | Fluid rotary union |
| CN101038035A (en) * | 2006-12-12 | 2007-09-19 | 李採云 | Sleeve type combined sealing component and sealing method thereof |
| CN201133532Y (en) * | 2007-11-29 | 2008-10-15 | 湖北三江航天万山特种车辆有限公司 | Multichannel heavy pressure swiveling joint |
| CN201317635Y (en) * | 2008-09-19 | 2009-09-30 | 徐州徐工随车起重机有限公司 | Rotary distributor |
| CN202028765U (en) * | 2011-03-10 | 2011-11-09 | 王式奇 | Improved hydraulic slip ring |
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| CN106931262A (en) * | 2017-03-24 | 2017-07-07 | 张嗣远 | A kind of rotary liquid feeding device |
| CN109611629A (en) * | 2018-12-04 | 2019-04-12 | 东莞市永乐机械有限公司 | A kind of binary channels circuit |
| CN109611629B (en) * | 2018-12-04 | 2021-03-23 | 东莞市永乐机械有限公司 | Double-channel loop |
| CN114562681A (en) * | 2022-01-25 | 2022-05-31 | 浙江大学 | High-pressure liquid conveying system of arm type centrifugal machine in high centrifugal force environment |
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