CN205745773U - A kind of automatic compensation type high-pressure rotary joint - Google Patents

A kind of automatic compensation type high-pressure rotary joint Download PDF

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Publication number
CN205745773U
CN205745773U CN201620678091.9U CN201620678091U CN205745773U CN 205745773 U CN205745773 U CN 205745773U CN 201620678091 U CN201620678091 U CN 201620678091U CN 205745773 U CN205745773 U CN 205745773U
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CN
China
Prior art keywords
rotary
static seal
cap
pressure
seal
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CN201620678091.9U
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Chinese (zh)
Inventor
徐福刚
刘延俊
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刘延俊
徐福刚
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Application filed by 刘延俊, 徐福刚 filed Critical 刘延俊
Priority to CN201620678091.9U priority Critical patent/CN205745773U/en
Application granted granted Critical
Publication of CN205745773U publication Critical patent/CN205745773U/en

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Abstract

This utility model relates to a kind of automatic compensation type high-pressure rotary joint.This automatic compensation type high-pressure rotary joint, including housing and the rotary body that is connected with housing into rotation, the upper end of described rotary body is sheathed in housing, lower end passes housing lower end and arranges, it is provided with an end cap on the top of housing, axial direction along end cap is provided with an end cap high-pressure oil duct in end cap, axial direction along rotary body is provided with a rotary body high-pressure oil duct at a rotating body, is provided with a jacking mechanism in the end cap high-pressure oil duct above static seal.This automatic compensation type high-pressure rotary joint, special static seal, movable sealing parts are set between housing end plug and rotary body, sealing between the two uses alloy mechanical to seal, by arranging special annulus compensating tank between static seal and movable sealing, and use unique automatic pressure compensation technology, and reduce product structure, volume, can be while improving discharge pressure, greatly reduce axial force, and then reduce abrasion raising life of product.

Description

A kind of automatic compensation type high-pressure rotary joint
Technical field
This utility model relates to a kind of device for conveying high-pressure fluid, pushes back particularly to a kind of automatic compensation type height Adaptor.
Background technology
Swivel coupling is the critical component being widely used in the fields such as lathe, engineering machinery, special equipment.Due to fluid Flowable characteristic, must be by fluid encapsulation in airtight pipeline space in the course of conveying of fluid, if it is desired to allow the fluid can To carry out rotary work, say, that want to allow outlet carry out relative rotary motion with the fluid of import department, be extremely difficult, return Adaptor is exactly the device realizing this function.In the prior art, most of swivel couplings be rotary body and fixing housing it Between all use lattice to enclose or rubber seal seals, this method is applied and can also be met use in low-pressure fluid carries and want Ask.When conveying high-pressure fluid, with the rising of fluid pressure itself, the friction of rotary body also can be raised, particularly by sealing member In high pressure, high speed Turning course, showing particularly evident, the frictional resistance causing sealing member is bigger, and wear-out life ratio is relatively low.
Utility model content
This utility model is in order to make up the deficiencies in the prior art, it is provided that one is reasonable in design, structural volume is little, internal leakage Measure low, stable and reliable for performance, maintainability is good, push back improving the automatic compensation type height reducing axial force while discharge pressure Adaptor, solves problems of the prior art.
This utility model is achieved by the following technical solution:
A kind of automatic compensation type high-pressure rotary joint, including housing and the rotary body that is connected with housing into rotation, described rotation The upper end of body is sheathed in housing, lower end passes housing lower end and arranges, and the lateral wall of rotary body does not contacts with case inside wall, Be provided with an end cap on the top of housing, described end cap is connected by bolt with housing, the lower surface of described end cap and rotary body Upper surface does not contacts, and the axial direction along end cap offers several holes, location, described rotary body in the upper surface surrounding of end cap And it is provided with the thrust bearing for carrying axial force suffered by rotary body between housing and for carrying rotary body force in radial Spring bearing, the axial direction along end cap is provided with an end cap high-pressure oil duct in end cap, in the inside top of end cap high-pressure oil duct Be provided with a closure end cap high-pressure oil duct the screw plug on fixing spring top, offer in the side of end cap one with end cap high-pressure oil duct The oil-in being connected, the inside bottom at end cap high-pressure oil duct be provided with one can not relatively end cap radial rotary but can opposite end Covering the static seal moved at axial direction, the bottom of static seal is stretched out end cap high-pressure oil duct bottom and is arranged, and is provided with in static seal The one static seal endoporus running through static seal upper and lower end face, the axial direction along rotary body is provided with a rotary body high pressure at a rotating body Oil duct, is provided with an oil-out being connected with described rotary body high-pressure oil duct, at rotary body high-pressure oil duct in the bottom of rotary body Inside top be provided with one and can not rotate against body radial rotary but the movable sealing that body moves at axial direction can be rotated against, The top of movable sealing is stretched out rotary body high-pressure oil duct top and is arranged, and is provided with one and runs through the dynamic of movable sealing upper and lower end face in movable sealing Sealing endoporus, be provided with a jacking mechanism in the end cap high-pressure oil duct above static seal, the lower surface of described static seal is holding out against The top pressure of mechanism is affixed with the upper surface of movable sealing, and the centre of described jacking mechanism is communicated with end cap high-pressure oil duct and quiet Seal the oil through of endoporus.
Described jacking mechanism includes the bullet being located at above static seal in end cap high-pressure oil duct along the axial direction of static seal Spring, the top of described spring is fixed on screw plug, and bottom is fixed in the middle part of be located in end cap high-pressure oil duct and is provided with oil through Spring base on, spring base lower surface abuts against the upper surface of static seal, and the intermediate formation one of described spring connects end cap high pressure Oil duct and the oil through of static seal endoporus.
Close into a draining chamber between described end cap, housing and rotary body, be provided with an oil seal seat at draining intracavity, at oil sealing Seat is built with rotary oil seal, and the epipharynx of rotary oil seal coordinates with rotary body periphery, outer ring and oil seal seat inner hole, another at end cap Side is provided with one and drain tap, and described draining chamber is connected with drain tap by a draining road, is provided with one in the periphery of oil seal seat Cannelure, is provided with an oil seal seat sealing ring in cannelure, and described oil seal seat sealing ring is squeezed between housing and oil seal seat.
Kept off by a static seal sealing ring and a static seal between periphery and the end cap high-pressure oil duct inwall of described static seal Circle seals, and is kept off by a movable sealing sealing ring and a movable sealing between periphery and the rotary body high-pressure oil duct inwall of described movable sealing Circle seals.
Described spring bearing includes the first spring bearing and the second spring bearing, and two spring bearings are respectively arranged on thrust bearing Both sides, the seat ring of described thrust bearing matches with the endoporus of housing, blowout patche matches with described rotary body, described support shaft Match with the endoporus of housing in the outer ring held, inner ring matches with rotary body periphery.
The lower surface of end cap is axially inserted with a static seal bearing pin, stretches out the bottom of end cap high-pressure oil duct at static seal Side is provided with a static seal bearing pin slot matched with static seal bearing pin, and the bottom of described static seal bearing pin is inserted in static seal In bearing pin slot;The upper surface of rotary body is axially inserted with a movable sealing bearing pin, stretches out rotary body hydraulic oil in movable sealing The side, top in road is provided with a movable sealing bearing pin slot matched with movable sealing bearing pin, and the bottom of described movable sealing bearing pin plugs In movable sealing bearing pin slot.
Be provided with in the side of housing one be connected with enclosure interior to grease-added the adding of thrust bearing and spring bearing Hydraulic fluid port.
The static seal lower surface of static seal endoporus periphery is provided with an annular compensating tank, in annular compensating tank periphery Static seal lower surface be provided with a pressure release groove, the static seal lower surface of draining slot perimeter is static seal seal face, The surrounding of static seal seal face offers the drain pan of several connection pressure release grooves and draining chamber, described static seal sealed end Face fits tightly with the upper surface of movable sealing.
Periphery top-down processing at static seal have external diameter be incremented by static seal the first limited step and static seal second Limited step, static seal the second limited step stretches out end cap high-pressure oil duct and arranges, and described static seal back-up ring is limited by static seal first Position step supports, and the lower surface of static seal sealing ring is affixed with the upper surface of static seal back-up ring;In the periphery of movable sealing from lower and On be machined with external diameter be incremented by movable sealing the first limited step and movable sealing the second limited step, movable sealing the second limited step is stretched Going out rotary body high-pressure oil duct to arrange, described movable sealing back-up ring is supported by movable sealing the first limited step, under movable sealing sealing ring End face is affixed with the upper surface of movable sealing back-up ring.
Top, periphery top-down processing at rotary body have external diameter be incremented by rotary body the first limited step and rotary body Second limited step, the endoporus bottom top-down processing at housing has housing the first limited step and housing that internal diameter successively decreases Two limited steps, the inner ring of the first spring bearing is supported by rotary body the second limited step, and the outer ring of the second spring bearing is by shell Body the second limited step supports, and the seat ring of described thrust bearing is supported by housing the first limited step, and blowout patche is by rotary body second The lower surface of limited step is spacing.
The beneficial effects of the utility model are: this automatic compensation type high-pressure rotary joint, and fluid issuing can be allowed with solid Produce the rotary motion of relative position between fixed import, can be widely applied in lathe, high-pressure wash center, Water Cutting equipment. Arranging special static seal, movable sealing parts between housing end plug and rotary body, sealing between the two uses alloy mechanical close Envelope, by arranging special annulus compensating tank between static seal and movable sealing, and uses unique automatic pressure compensation technology, Reduce product structure, volume, axial force can be greatly reduced, and then reduce abrasion raising product while improving discharge pressure The product life-span.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of Fig. 1 middle housing part;
Fig. 3 is the structure for amplifying schematic diagram of static seal part in Fig. 1;
Fig. 4 is the structure for amplifying schematic diagram of movable sealing part in Fig. 1;
Fig. 5 is the perspective view of Fig. 1 static seal part;
Fig. 6 is the perspective view of Fig. 1 movable sealing part;
Fig. 7 is the structural representation of rotary body part in Fig. 1;
Fig. 8 is the structural representation of oil seal seat part in Fig. 1.
In figure, 1, housing, 2, rotary body, 3, end cap, 4, hole, location, 5, thrust bearing, 7, end cap high-pressure oil duct, 8, spiral shell Stifled, 9, oil-in, 10, static seal, 11, static seal endoporus, 12, rotary body high-pressure oil duct, 13, oil-out, 14, movable sealing, 15, Movable sealing endoporus, 16, spring, 17, spring base, 18, draining chamber, 19, oil seal seat, 20, rotary oil seal, 21, drain tap, 22, let out Oil duct, 23, cannelure, 24, oil seal seat sealing ring, 25, static seal sealing ring, 26, static seal back-up ring, 27, movable sealing sealing ring, 28, movable sealing back-up ring, 29, static seal bearing pin, 30, static seal bearing pin slot, 31, movable sealing bearing pin, 32, movable sealing bearing pin inserts Groove, 33, oil filler, 34, annular compensating tank, 35, pressure release groove, 36, static seal seal face, 37, drain pan, 61, first Spring bearing, the 62, second spring bearing, 101, housing the first limited step, 102, housing the second limited step, 101, housing One limited step, 102, housing the second limited step, 111, static seal the first limited step, 112, static seal the second limiting stand Rank, 141, movable sealing the first limited step, 142, movable sealing the second limited step, 201, rotary body the first limited step, 202, Rotary body the second limited step.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and combine its accompanying drawing, to this reality It is described in detail with novel.
As illustrated in figs. 1-8, this embodiment includes housing 1 and the rotary body 2 being rotationally connected with housing 1, described rotation The upper end of body 2 is sheathed in housing 1, lower end passes housing 1 lower end and arranges, and the lateral wall of rotary body 2 is with housing 1 medial wall not Contact, is provided with an end cap 3 on the top of housing 1, and described end cap 3 is connected by bolt with housing 1, the lower surface of described end cap 3 Not contacting with the upper surface of rotary body 2, the axial direction along end cap 3 offers several location in the upper surface surrounding of end cap 3 Hole 4, is provided with the thrust bearing 5 for carrying axial force suffered by rotary body 2 and for carrying between described rotary body 2 and housing 1 The spring bearing 6 of rotary body 2 force in radial, the axial direction along end cap 3 is provided with an end cap high-pressure oil duct 7 in end cap 3, The inside top of end cap high-pressure oil duct is provided with a closure end cap high-pressure oil duct the screw plug 8 on fixing spring top, at the one of end cap 3 Side offers an oil-in 9 being connected with end cap high-pressure oil duct 7, and the inside bottom at end cap high-pressure oil duct 7 is provided with one can not The static seal 10 that move at axial direction relative to end cap 3 relative to end cap 3 radial rotary but energy, the bottom external part of static seal 10 Lid high-pressure oil duct 7 bottom is arranged, and is provided with a static seal endoporus 11 running through static seal 10 upper and lower end face in static seal 10, along rotation Turn 2 axial direction in rotary body 2, be provided with a rotary body high-pressure oil duct 12, be provided with one in the bottom of rotary body 2 with described The oil-out 13 that rotary body high-pressure oil duct 12 is connected, the inside top at rotary body high-pressure oil duct 13 is provided with one and can not relatively revolve Turning 2 radial rotaries but can rotate against the movable sealing 14 that body 2 moves at axial direction, rotation is stretched out on the top of movable sealing 14 Body high-pressure oil duct 11 top is arranged, and is provided with a movable sealing endoporus 15 running through movable sealing 14 upper and lower end face in movable sealing 14, Being provided with a jacking mechanism in end cap high-pressure oil duct 7 above static seal 10, the lower surface of described static seal 10 is at jacking mechanism Top pressure is affixed with the upper surface of movable sealing 14, and the centre of described jacking mechanism is communicated with end cap high-pressure oil duct 7 and quiet close The oil through of envelope endoporus 11.Movable sealing 14 is close together with static seal 10, seals.
Described jacking mechanism includes being located at above static seal 10 in end cap high-pressure oil duct 7 along the axial direction of static seal 10 One spring 16, the top of described spring 16 is fixed on screw plug 8, and bottom is fixed in the middle part of be located in end cap high-pressure oil duct 7 Being provided with on the spring base 17 of oil through, spring base 17 lower surface abuts against the upper surface of static seal 10, the centre of described spring 17 Form connection end cap high-pressure oil duct 7 and an oil through for static seal endoporus 11.Jacking mechanism ensure that in low-pressure, low speed rotation Time swivel coupling stable working, provide initial sealing adhesive force for static seal 10 and movable sealing 14, make movable sealing 14 and static seal 10 rely on springs 16 to be close together, and both can rotate freely motion relatively, and static seal 10 and movable sealing 14 can be along with The flexible of spring 16 moves in the axial direction, does not make the too tight of pressure between static seal 10 and movable sealing 14, causes frictional force mistake Greatly, the end wear of static seal 10 and movable sealing 14 is compensated automatically.
Close into a draining chamber 18 between described end cap 3, housing 1 and rotary body 2, in draining chamber 18, be provided with an oil seal seat 19, coordinate with rotary body 2 periphery built with rotary oil seal 20, the epipharynx of rotary oil seal 20 at oil seal seat 19, outer ring and oil seal seat 19 inner hole, are provided with a drain tap 21 at end cap 3 opposite side, and described draining chamber 18 is by a draining road 22 and drain tap 21 phase Connection, is provided with a cannelure 23, is provided with an oil seal seat sealing ring 24, described oil sealing in cannelure 23 in the periphery of oil seal seat 19 Seat sealing ring 24 is squeezed between housing 1 and oil seal seat 21, and rotary oil seal 20 is for isolating fluid and the support shaft of accidental spillage Hold 6.
For guaranteeing to seal, sealed by a static seal between periphery and end cap high-pressure oil duct 7 inwall of described static seal 10 Circle 25 and a static seal back-up ring 26 seal, and move by one between periphery and rotary body high-pressure oil duct 12 inwall of described movable sealing 14 Seal sealing ring 27 and a movable sealing back-up ring 28 seals.
Described spring bearing includes the first spring bearing 61 and the second spring bearing 62, and two spring bearings are respectively arranged on thrust The both sides of bearing 5, the seat ring of described thrust bearing 5 matches with the endoporus of housing 1, blowout patche matches with described rotary body 2, institute The endoporus of the outer ring and housing 1 of stating spring bearing 6 matches, inner ring matches with rotary body 2 periphery.
The lower surface of end cap 3 is axially inserted with a static seal bearing pin 29, stretches out end cap high-pressure oil duct 7 at static seal 10 Side, bottom be provided with a static seal bearing pin slot 30 matched with static seal bearing pin 29, the bottom of described static seal bearing pin 29 It is inserted in static seal bearing pin slot 30;The upper surface of rotary body 2 is axially inserted with a movable sealing bearing pin 31, in movable sealing 14 sides, top stretching out rotary body high-pressure oil duct 12 are provided with a movable sealing bearing pin slot 32 matched with movable sealing bearing pin 31, The bottom of described movable sealing bearing pin 31 is inserted in movable sealing bearing pin slot 32.
One it is provided with grease-added to thrust bearing 5 and spring bearing 6 be connected inside housing 1 in the side of housing 1 Oil filler 33.
For reducing the hydraulic coupling axial force to rotatory sealing end face, in static seal 10 lower surface of static seal endoporus 11 periphery It is provided with an annular compensating tank 34, static seal 10 lower surface of annular compensating tank 34 periphery is provided with a pressure release groove 35, static seal 10 lower surface of draining groove 35 periphery is static seal seal face 36, in the surrounding of static seal seal face 36 Offer the drain pan 37 of several connection pressure release grooves 35 and draining chamber 18, described static seal seal face 36 and movable sealing 14 Upper surface fit tightly.The fluid of accidental spillage can enter draining chamber 18 by pressure release groove 35, then from draining chamber 18 through letting out Oil duct 22 is discharged from drain tap 21.What the effect of annular compensating tank 34 is?The effect of annular compensating tank 34 is for reality Now can obtain a stable static pressure between static seal 10 and movable sealing 14 seal face, to improve the effect sealed and to stablize Property.
Periphery top-down processing at static seal 10 have external diameter be incremented by static seal the first limited step 111 and static seal Second limited step 112, static seal the second limited step 112 stretches out end cap high-pressure oil duct 7 and arranges, described static seal back-up ring 26 by Static seal the first limited step supports, and the lower surface of static seal sealing ring 27 is affixed with the upper surface of static seal back-up ring 28;Dynamic Seal 14 periphery bottom-up processing have external diameter be incremented by movable sealing the first limited step 141 and movable sealing the second limited step 142, movable sealing the second limited step 142 stretches out rotary body high-pressure oil duct 12 and arranges, and described movable sealing back-up ring 28 is by movable sealing One limited step 141 supports, and the lower surface of movable sealing sealing ring 27 is affixed with the upper surface of movable sealing back-up ring 28.
Top, periphery top-down processing at rotary body 2 have external diameter be incremented by rotary body the first limited step 201 and rotation Turning the second limited step 202, the endoporus bottom top-down processing at housing 1 has housing the first limited step that internal diameter successively decreases 101 and housing the second limited step 102, the inner ring of the first spring bearing 61 is supported by rotary body the second limited step 202, and second The outer ring of spring bearing 62 is supported by housing the second limited step 102, and the seat ring of described thrust bearing 5 is by housing the first limiting stand Rank 101 support, and blowout patche is spacing by the lower surface of rotary body the second limited step 202.
When this utility model automatic compensation type high-pressure rotary joint is applied to high-pressure wash deburring center, by end cap 3 Being fixed on the main shaft frame of equipment, rotary body 2 is connected and fixed with rotary nozzle mechanism by screw thread oil-out 13, and with Rotating mechanism rotates, and external high-pressure fluid enters end cap high-pressure oil duct 7 by the oil-in 9 on end cap 3.Owing to static seal 10 leads to Crossing static seal bearing pin 29 to be fixed together with end cap 3, keep both not rotate relative to position, high-pressure fluid can be by end cap high pressure Oil duct 7 enters into the static seal endoporus 11 in static seal 10, owing to static seal 10 uses axial float to be sealed into movable sealing 14 Row seals, and movable sealing 14 is fixed together rotations by movable sealing bearing pin 31 and rotary body 2, from static seal endoporus 11 height Baric flow body will be transported in the movable sealing endoporus 15 in movable sealing 14, then by movable sealing endoporus 12 oil duct in rotary body 2 Enter in the rotary nozzle mechanism being connected with oil-out 13, so realize high-pressure fluid rotate against work.Static seal 10 Flowed into and letting out that drain tap 21 is connected by draining road 22 by draining chamber 18 with the minority of fluid revealed between movable sealing 14 Outside dew pipe special, and then discharger.
This utility model does not describes part in detail, is the known technology of those skilled in the art of the present technique.Finally illustrate, with Upper embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment to this utility model It is described in detail, it will be understood by those within the art that, the technical solution of the utility model can have been repaiied Changing or equivalent, without deviating from objective and the scope of technical solutions of the utility model, it all should be contained at this utility model Right in the middle of.

Claims (10)

1. an automatic compensation type high-pressure rotary joint, is characterized in that: include housing and the rotary body being connected with housing into rotation, institute State that the upper end of rotary body is sheathed in housing, lower end passes housing lower end and arranges, and the lateral wall of rotary body and case inside wall Not contacting, be provided with an end cap on the top of housing, described end cap is connected by bolt with housing, the lower surface of described end cap and rotation The upper surface turned does not contacts, and the axial direction along end cap offers several holes, location in the upper surface surrounding of end cap, described The thrust bearing for carrying axial force suffered by rotary body it is provided with and for carrying footpath suffered by rotary body between rotary body and housing To the spring bearing of power, the axial direction along end cap is provided with an end cap high-pressure oil duct in end cap, in end cap high-pressure oil duct Side roof part is provided with a closure end cap high-pressure oil duct the screw plug on fixing spring top, offers one in the side of end cap high with end cap The oil-in that force feed road is connected, the inside bottom at end cap high-pressure oil duct is provided with one can not end cap radial rotary but energy relatively The static seal moved at axial direction relative to end cap, the bottom of static seal is stretched out end cap high-pressure oil duct bottom and is arranged, at static seal Inside being provided with a static seal endoporus running through static seal upper and lower end face, the axial direction along rotary body is provided with a rotation at a rotating body Body high-pressure oil duct, is provided with an oil-out being connected with described rotary body high-pressure oil duct in the bottom of rotary body, is rotating height The inside top in force feed road be provided with one can not rotate against body radial rotary but can rotate against body axial direction move dynamic Sealing, the top of movable sealing is stretched out rotary body high-pressure oil duct top and is arranged, and is provided with one and runs through movable sealing upper and lower side in movable sealing The movable sealing endoporus in face, is provided with a jacking mechanism, the lower surface of described static seal in the end cap high-pressure oil duct above static seal Being affixed with the upper surface of movable sealing in the top pressure of jacking mechanism, the centre of described jacking mechanism is communicated with end cap high-pressure oil duct And the oil through of static seal endoporus.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: described jacking mechanism includes along quiet The spring that the axial direction sealed is located at above static seal in end cap high-pressure oil duct, screw plug is fixed on the top of described spring On, bottom is fixed in the middle part of be located in end cap high-pressure oil duct and is provided with on the spring base of oil through, spring base lower surface against In the upper surface of static seal, the intermediate formation one of described spring connects end cap high-pressure oil duct and the oil through of static seal endoporus.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: described end cap, housing and rotation Close into a draining chamber between body, be provided with an oil seal seat at draining intracavity, at oil seal seat built with rotary oil seal, rotary oil seal Epipharynx coordinates with rotary body periphery, outer ring and oil seal seat inner hole, is provided with one and drain tap, described draining at end cap opposite side Chamber is connected with drain tap by a draining road, is provided with a cannelure in the periphery of oil seal seat, is provided with an oil sealing in cannelure Seat sealing ring, described oil seal seat sealing ring is squeezed between housing and oil seal seat.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: the periphery of described static seal and end By a static seal sealing ring and a static seal retaining ring sealing, the periphery of described movable sealing and rotation between lid high-pressure oil duct inwall By a movable sealing sealing ring and a movable sealing retaining ring sealing between body high-pressure oil duct inwall.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: described spring bearing includes first Spring bearing and the second spring bearing, two spring bearings are respectively arranged on the both sides of thrust bearing, the seat ring of described thrust bearing with The endoporus of housing matches, blowout patche matches with described rotary body, the outer ring of described spring bearing matches with the endoporus of housing, Inner ring matches with rotary body periphery.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: on the lower surface of end cap axially It is inserted with a static seal bearing pin, stretches out the side, bottom of end cap high-pressure oil duct at static seal and be provided with one and match with static seal bearing pin Static seal bearing pin slot, the bottom of described static seal bearing pin is inserted in static seal bearing pin slot;Upper surface at rotary body On be axially inserted with a movable sealing bearing pin, movable sealing stretch out the side, top of rotary body high-pressure oil duct be provided with one with movable sealing pin The movable sealing bearing pin slot that axle matches, the bottom of described movable sealing bearing pin is inserted in movable sealing bearing pin slot.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: be provided with in the side of housing one with The oil filler grease-added to thrust bearing and spring bearing that enclosure interior is connected.
Automatic compensation type high-pressure rotary joint the most according to claim 1, is characterized in that: quiet in static seal endoporus periphery Seal lower surface and be provided with an annular compensating tank, the static seal lower surface of annular compensating tank periphery is provided with a pressure release ditch Groove, the static seal lower surface of draining slot perimeter is static seal seal face, if the surrounding at static seal seal face offers Dry connection pressure release groove and the drain pan in draining chamber, described static seal seal face fits tightly with the upper surface of movable sealing.
Automatic compensation type high-pressure rotary joint the most according to claim 4, is characterized in that: the periphery of static seal from and Under be machined with external diameter be incremented by static seal the first limited step and static seal the second limited step, static seal the second limited step is stretched Going out end cap high-pressure oil duct to arrange, described static seal back-up ring is supported by static seal the first limited step, the lower end of static seal sealing ring Face is affixed with the upper surface of static seal back-up ring;The movable sealing first that periphery bottom-up processing in movable sealing has external diameter to be incremented by limits Position step and movable sealing the second limited step, movable sealing the second limited step stretches out rotary body high-pressure oil duct and arranges, described dynamic close Block circle is supported by movable sealing the first limited step, and the lower surface of movable sealing sealing ring is affixed with the upper surface of movable sealing back-up ring.
Automatic compensation type high-pressure rotary joint the most according to claim 5, is characterized in that: on the top, periphery of rotary body Top-down processing have external diameter be incremented by rotary body the first limited step and rotary body the second limited step, under the endoporus of housing Portion's top-down processing has housing the first limited step and housing the second limited step that internal diameter successively decreases, the first spring bearing interior Enclosing and supported by rotary body the second limited step, the outer ring of the second spring bearing is supported by housing the second limited step, described thrust The seat ring of bearing is supported by housing the first limited step, and blowout patche is spacing by the lower surface of rotary body the second limited step.
CN201620678091.9U 2016-06-30 2016-06-30 A kind of automatic compensation type high-pressure rotary joint CN205745773U (en)

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CN201620678091.9U CN205745773U (en) 2016-06-30 2016-06-30 A kind of automatic compensation type high-pressure rotary joint

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Application Number Priority Date Filing Date Title
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CN205745773U true CN205745773U (en) 2016-11-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909897A (en) * 2016-06-30 2016-08-31 刘延俊 Automatic compensation type high-pressure rotating joint
CN106763793A (en) * 2017-03-22 2017-05-31 福建省闽旋科技股份有限公司 A kind of continuous casting of iron and steel machine rotary sealing appts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909897A (en) * 2016-06-30 2016-08-31 刘延俊 Automatic compensation type high-pressure rotating joint
CN105909897B (en) * 2016-06-30 2017-11-21 刘延俊 A kind of automatic compensation type high-pressure rotary joint
CN106763793A (en) * 2017-03-22 2017-05-31 福建省闽旋科技股份有限公司 A kind of continuous casting of iron and steel machine rotary sealing appts

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