CN2837650Y - Bearing liner cover built-in rotary joint - Google Patents
Bearing liner cover built-in rotary joint Download PDFInfo
- Publication number
- CN2837650Y CN2837650Y CN 200520072865 CN200520072865U CN2837650Y CN 2837650 Y CN2837650 Y CN 2837650Y CN 200520072865 CN200520072865 CN 200520072865 CN 200520072865 U CN200520072865 U CN 200520072865U CN 2837650 Y CN2837650 Y CN 2837650Y
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- Prior art keywords
- swivel joint
- bearing
- roller
- hollow shaft
- outer tube
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Abstract
The utility model relates to a rotary joint which can be used for transporting heat conduction medium into a roller or a drum in rotation or transporting the heat conduction medium out from the roller or the drum in rotation. The utility model is a self-regulated center type rotary joint which can compensate for a certain amount of non-concentricity between a rotary component and a fixing component. The installation of the utility model does not use a metal or nonmetal flexible pipe, but merely adopts a hard pipe. The utility model provides a sealing mode between the rotary joint and the rotary roller or the drum. The sealing mode can compensate for the axial dimension variation of the roller and the eccentricity generated between the rotary joint and a rotary shaft of the roller. Simultaneously, the hard pipe connected with the rotary joint is arranged at the fixing end of the rotary joint to transport the heat conduction medium. The rigid transport pipeline can not apply any external force to the rotary joint.
Description
Technical field
The utility model relates to and a kind ofly is used for heat-conduction medium is transported on the roller of rotation or the cylinder or with roller or the cylinder swivel joint failed back of heat-conduction medium from rotation.It is a kind of from the self-aligning swivel joint, can compensate a certain amount of nonconcentricity between rotary component and the fixed component.
Background technique
For a long time, swivel joint be used in always that the cylinder that adopts rotation or roller heat or the production of cooling off in, for example, in papermaking, papermaking oven dry, printing by paper, steel-making and other similar industry.And the designer of this swivel joint just is being in leadership aspect the design of swivel joint and the production.
The roller or the cylinder of rotation are installed on the centre rotational axis, and the bearing of running shaft may be sliding bearing, but are generally low ball of frictional force or roller bearing.Because roller or cylinder may contact with hot moving element or lick paper web on it because of steam is input in roller or the cylinder with oven dry because of its outside, thereby cause roller or cylinder to be heated to quite high temperature, this causes the size of cylinder to change along with the variation of bowl temperature, therefore, swivel joint must have compensated roller or the cylinder characteristic that its axial length changes in operation process.Simultaneously, because the wearing and tearing of bearing, may there be slight off-centre in the axial bending of the off-centre of bearing support and roller or cylinder between the running shaft of the main shaft of swivel joint and roller, therefore, the design of Sealing Structure of swivel joint need adapt to this slight off-centre.
The structural type of tradition swivel joint has all adopted flexible pipe, as synthetic fiber or metallic hose, is connected between the hard delivery pipe and swivel joint of heat-conduction medium.Because swivel joint need adapt to roller and axial displacement and the rotating eccentricity of cylinder in operation process, this flexible pipe is absolutely necessary in the installation of swivel joint.In the installation of most of swivel joints, this shell or the application on the case that metallic hose is connected to swivel joint is not very perfect.Because the available installing space between swivel joint and the equipment rack is limited, these flexible pipes are shorter usually.Like this, the pliability of these flexible pipes is just limited, thereby will apply bigger external force to swivel joint, quickens the wearing and tearing of sealed member on the swivel joint.
In addition, in the continuous casting and rolling production process of steel plate, the steel plate of heat is by a series of metal roll support, and cooling water comes the cool metal roll by the center hole that the swivel joint that is connected metal roll two ends flows through the metal roll.It can cause many other serious problems.Be connected metallic hose on the swivel joint and be one " weak link " in the cooling of sheet metal back-up roll of continuous casting-rolling.
When red-hot steel plate is mobile on roll, its temperature is very high, the metal at its center is in the fusing shape, the metal that the steel plate center is in the fusing shape can " break out " once in a while, the molten steel of fusion will laterally splash out along the direction opposite with the movement direction of steel plate, damage metallic hose and common swivel joint.Metallic hose may torsional deformation and is departed from its normal working position, and the excessive external force that is applied on the swivel joint will reduce the working life of swivel joint greatly.Swivel joint is influenced by these molten liquid steels that splash out usually and breaks down, and has to interrupt the production of continuous casting-rolling steel plate.This makes the expense of repairing damaged metallic hose and swivel joint become expensive, and wastes time and energy.
Summary of the invention
The purpose of this utility model provides a kind of built-in swivel joint of bearing FE Tiler to roller or cylinder conveying cooling medium, does not use metal or nonmetallic flexible pipe when mounted, only adopts the pipeline of " firmly ".
Another one purpose of the present utility model is to provide a kind of swivel joint of carrying cooling medium to the roller or the cylinder that rotate, swivel joint is built in the end of roller and hard tube or pipeline, so not only can prevent to damage swivel joint, and the structure of swivel joint sealing can also automatically adapt to the dimensional changes of roller and with respect to the rotating eccentricity of roller running shaft.
The 3rd purpose of the present utility model provides a kind of at the roller of swivel joint and rotation or the sealing means between the cylinder.This sealing means can compensated roller the axial dimension off-centre that changes and between the running shaft of swivel joint and roller, produce, the hard tube that is connected with swivel joint is simultaneously carried heat-conduction medium by the fixed end that is installed on the joint, and the conveyance conduit of rigidity can not apply any external force to swivel joint.
Roller or cylinder are by intermediate cylindrical and extend and concentric cylindrical journal is formed to two ends thus.Each cylindrical journal is by bearings, and bearing is generally antifriction bearing, and it is installed in the fixing bearing support, and bearing support provides rigid support to the outer ring of bearing and roller or the cylinder that links.The roll of continuous casting and any needs within it portion cool off or the roller or cylinder that heat on, swivel joint is transported to fluid thermal transmitting medium (being generally water or steam) inner chamber of the cylindrical portions may of the roller that communicates with it or cylinder from the axle journal opening end.Axle head and swivel joint link by sealing configuration, promptly seal between swivel joint and axle head.
Joint described in the utility model is rigidly fixed in the bearing FE Tiler, rather than the swivel joint that uses common metallic hose to install to " floating " is carried heat-conduction medium, heat-conduction medium is just by carrying with joining rigid conduit of swivel joint end cap or conduit, on the end cap of swivel joint passage is arranged, heat-conduction medium is imported the axle journal end by its passage.Because the end cap of swivel joint rigidly fixes, thereby can be connected with swivel joint with hard tube.
Sealing between roller journal and the rotary joint structure is to realize by being installed in a circular columns outer tube that also axially stretches out the axle journal end on the axle journal with one heart.This outer tube may be to adopt screw in diameter of axle end, perhaps be fixedly mounted on the concentric lining of the center hole of axle journal in.No matter which kind of situation, outer tube are all rotated with axle journal and roller.Be moving axially of compensated roller, on the outer surface of outer tube, be with an axle sleeve, seal between axle sleeve and the outer tube.And relatively rotating of may existing between them.This axle sleeve comprises the radial flange of a band sealing configuration, all is furnished with sealing material at its internal surface and outer surface, and these sealing materials are formed radial seal with the dependency structure of swivel joint.Certain clearance is all being arranged between axle sleeve endoporus and the outer tube and between the sealing surface of axle sleeve flange and swivel joint, adopting the sealing of elasticity O type circle, even it is still effective that this sealing configuration takes place in the axle journal rotary course between them under the eccentric situation.Because the size of O type circle and characteristic can compensate displacement and off-centre in its elastic range.
Swivel joint in the utility model is easy to safeguard, the end cap (the MEDIA FLOW circulation passage is arranged on the end cap) of swivel joint alignd with outer tube and axle sleeve thereof get final product.In concrete device, outer tube is installed in the axle sleeve, like this, just outer tube and axle sleeve can be disassembled to change or to change sealing material as a complete assembly.
Because this seal arrangement has the ability of decentraction between compensation swivel joint and the roller journal, and because moving to axial between outer tube and the axle sleeve, thereby it can adapt to the axial expansion of roller, on the end cap that thereby the pipe or the pipeline of rigidity can be directly connected to swivel joint, and need not use flexible pipe resemble the metallic hose.By adopting such rigid conduit, the swivel joint traditional with respect to the employing metallic hose causes the swivel joint damage when making owing to thermometal plate center " outburst " possibility has reduced greatly.Rotary joint structure in the utility model design can be with the temperature regulation media applications on less relatively roller simple in structure.
Description of drawings
Fig. 1 was applied in the forward sight radial section figure of the swivel joint of cooling and continuous casting roll in the past for the utility model.
Fig. 2 is the forward sight radial section figure of swivel joint and roll structure in the utility model.
Fig. 3 is the axle sleeve of the swivel joint shown in Fig. 2 and the enlarged view of outer tube part structure.
Fig. 4 is the forward sight radial section figure of another rotary joint structure, and the outer tube of the swivel joint of this structure is installed in the lining that is positioned at roll pins having.
Embodiment
Fig. 1 has disclosed the structure (roll support the steel plate of heat) that before is used for the swivel joint of metal roll on the cooling metal sheets equipment for continuously rolling.The roll of supporting steel plate is shown in 10 among Fig. 1, and 12 among Fig. 1 is the axle journal end of roll, and the bearing that supports axle journal end 12 does not mark in Fig. 1.Among Fig. 1 shown in 14 is the swivel joint housing of first pre-structure, it be inserted into the concentric journal centre hole of roller running shaft in a groove in.By O RunddichtringO 16 sealing, shell flange 18 is screwed in the screw 22 on axle journal 12 ends by bolt 20 and links with the axle journal end between housing 14 and the axle journal.
Outer tube 24 is installed in the swivel joint housing 14, and its structure is a tubular cylinder shape, by the axle journal inner end one step 26 that radially protrudes is arranged at it, and the effect of this step is to prevent that outer tube is pushed out joint housing 14 under the effect of liquid.The step 26 of outer tube leans against on the axial thrust bearing 25, seals by seal ring 28 between outer tube and the housing.
Among Fig. 1 30 is the end cap of swivel joint, and it is installed in the end of outer tube 24 and adopts the bolt 32 in the groove that is screwed on the outer tube to fix.Between the housing 14 of swivel joint and end cap 30 interior edge faces a thrust-bearing 36 has been installed, thrust-bearing 36 is fixed in its position by check ring 37.End cap 30 inner chambers 38 of swivel joint communicate with the exterior edge face of outer tube 24, and the metallic hose 40 that is connected on the swivel joint end cap 30 also communicates with inner chamber 38, and this just is transferred to heat-conduction medium (for example water) in axle journal 12 and the roll 10.Perhaps, the swivel joint of a similar structure also can be installed being transferred out at the other end (not drawing among the figure) of roll 10 by the warmed-up water of roll.
By being installed in the dog link (not drawing among the figure) in the spline hole 39 on the swivel joint end cap, the end cap 30 of swivel joint is connected on the fixing supporting structure.The purpose that flexible dog link here is installed is in order to prevent swivel joint along with roll rotates together, but allow certain axially and move radially.Support owing to the application of metallic hose 40 and to " pine " of swivel joint end cap 30, swivel joint can adapt to the axial expansion of roll 10 and the skew of roll rotation.Yet under the situation at the center of steel plate " outburst ", the molten metal that flows will directly contact the end cap 30 of swivel joint, the supporting structure and the metallic hose of swivel joint, and can often damage the metallic hose 40 that is connected on the swivel joint.The outburst at steel plate center may seriously damage swivel joint, place under repair immediately.Being replaced or being repaired up to roll owing to must stop the production of steel plate in the repair procedures, therefore, is very consuming time and its cost also is very high to the swivel joint place under repair that damages.
Adopt assembly relation in the swivel joint of the present utility model shown in Fig. 2 part sectioned view, there is a cylindrical journal 44 end of roll 42.A center hole 46 that runs through whole roll and axle journal is arranged in cylindrical journal and roll.A groove 48 is arranged in order to hold outer tube structure described later on the exterior edge face of axle journal, axle journal 44 is supported by bearing 50.Bearing 50 may be a sliding bearing, but is generally spherical roller bearing as shown in Figure 2.The inner ring of bearing is to locate by packing ring 52,54 and nut 56.The nut 56 that is spun on the end of axle journal 44 is by pushing the packing ring that is positioned at the bearing inner race both sides bearing to be located on axle journal.Bearing support 58 is installed on the rigidity supporting structure (not drawing among Fig. 2), and bearing seal lid 60 is installed on the bearing support 58.Between bearing support 58 and packing ring 52,54, adopt lip-type packing or similar seal ring to seal.
By bolt 63, bearing cap 62 is installed on the fixed bearing block 58, because bolt 63 also passes corresponding hole on the bearing seal lid 60 simultaneously, these bolts also are used to the positioning bearing sealing cover and bearing cap is fixed with respect to the position of bearing support 58 and with them.
Hollow shaft (perhaps also can be referred to as outer tube) 64 is connected in the exterior edge face groove 48 of axle journal 44.This outer tube comprises that a center hole that communicates with journal centre hole 46 66, external cylindrical surface 68 and one are flanged.Flange is porose and by bolt 72 outer tube is fixed in the groove 48 of exterior edge face of axle journal 44.Seal by O type circle 74 between flange 70 and the axle journal end face.
The sealing of outer tube 64 is to realize that by the housing on the external cylindrical surface 68 that is installed in outer tube 76 its detailed structure can be seen in Fig. 3.Housing 76 comprises the center hole 78 of an internal diameter than the diameter big several (a few percent millimeters) of the external cylindrical surface 68 of outer tube, the quad seal circle 80 of axial distribution.The quad seal circle seals between housing center hole 78 and outer tube cylndrical surface 68.Housing 76 also comprises a flange 82, and an annular groove that is used for fixing O shape circle 84 is arranged on the outer surface 86 of flange, and an annular groove that is used for fixing O shape circle 90 is arranged on the flange internal surface 88, and the internal diameter of O shape circle 90 is bigger than the internal diameter of O shape circle 84.
Shell flange 82 is installed in the groove 92 on the bearing cap 62.The end cap 96 of swivel joint then is installed in the big groove 94 of the another one of bearing cap.A plane 97 is arranged on the groove 92 of bearing cap, and simultaneously on the plane 100 that has to parallel with plane 97 on the bearing groove on the end cap 96.Plane 86 and the axial distance between the plane 88 on the shell flange are smaller a little than the distance between plane 97 and the plane 100, and as shown in Figure 3, the reason of difference will be set forth hereinafter between two sizes.
Even under or the situation about shortening elongated along with variation of temperature at roll 42, also can continue to keep sealing relationship between outer tube 64 and the housing 76, therefore, rigid tubing 106 can be directly connected on the bearing cap 62.And, taking place also can to continue to keep sealing relationship between outer tube 64 and the housing 76 under the eccentric situation between the axis of the spin axis of roll and bearing cap 62.
The slip of outer tube 64 in housing center hole 78 is to adapt to the axial motion of axle journal 44 with respect to bearing cap 62, even take place under the situation of displacement to axial between axle journal 44 and bearing cap 62, the quad seal circle still has sealing function.Need to prove that the project organization of end cap inner chamber 102 can adapt to a kind of like this axial displacement of outer tube.
Under situation eccentric between the central shaft of running shaft that axle journal 44 takes place and bearing cap 62,, make outer tube that " inclination " can be arranged a bit in housing a little because the internal diameter of housing center hole 78 is bigger than outer tube cylndrical surface 68.More inclination or off-centre will cause shell flange 82 outer surfaces 86, shell flange internal surface 88 respectively with respect to the recessed surface 97 of bearing cap and moving radially of end cover surface 100.Because the elasticity of O shape circle 84 and 90, take place this when mobile O shape circle 84 and 90 will and end cover surface 100 and bearing cap groove surfaces 97 between applying, housing 92 this " inclination " in the bearing cap groove can not destroy the sealing between shell flange and the end cover surface 100.
Relation between aforesaid outer tube, housing and the bearing cap, housing are in " floating " a kind of balance, flexible state.The O shape of certain size circle 84 and 90 is installed in the groove of the certain size on the shell flange 82 and makes that housing can be freely 1 ° of any axial plane upper deflecting.For reaching this seal request, O shape circle should adopt the low-durometer material of big section, can select for use the O shape circle combination of different inner diameters and hardness to reach this target.
Taking place under the situation that molten metal splashes out, the end that rigidity is installed in the bearing cap 62 protection axle journals 44 on the bearing support 58 is avoided damaging and is prevented that the housing of swivel joint is damaged.In addition, by adopting the pipeline or the conduit 106 of rigidity, the situation that is similar to molten metal damage pipeline or conduit system also can reduce significantly.In order further to strengthen protection to swivel joint and annex thereof, can be in frame with the fluid passage direct pouring that is connected with end cap path 10 4.When the assembly place under repair shown in Fig. 2 is safeguarded, can take off end cap 96 with connecting the bolt (not drawing among the figure) of end cap 96 and bearing cap 62 thereby screwing off at an easy rate, housing 76 is pulled out from outer tube 64.Perforate 105 on the bearing cap 62 provides enough spaces to take off bolt 72, and outer tube is taken off from the axle journal end.Brand-new outer tube and the housing of one cover like this, just can be installed.
As shown in Figure 3, because quad seal circle 80 and O shape circle 84 and 90 have elasticity, they can keep plane contacted with it to fit, even exist between the central shaft of the running shaft of roll and bearing cap under the eccentric situation, these seal rings and O shape circle also can continue to keep the sealing relationship between housing 76 and outer tube 64 and the bearing cap 62.In use, these O shape circles are by slight compression.Therefore, as shown in enlarged view 3, when between outer tube 64 and housing 76, existing to tilt, as long as the degree of this inclination is within the elasticity dimensional range that quad seal circle 80 allows, continuation maintenance sealing relationship between the external cylindrical surface 68 that the elasticity of quad seal circle 80 just can make outer tube and the housing 76.Equally, as shown in Figure 3, if shell flange 82 is with respect to 92 run-off the straights of bearing cap groove, the compression degree of different piece will be different on the circumference of O shape circle 84 and 90, but within the elastic range that all the O shape in these O shape ring recess is enclosed, O shape circle coplanar 97 and 100 is always fitted mutually so usually.Therefore, this structural configuration of this explanation outer tube and housing can compensate rotating eccentricity automatically.In order to prevent that the impurity in the heat exchange medium from destroying the sealability of quad seal circle 80, installed a lip-type packing 107 and sealed with the external cylindrical surface 68 to outer tube in housing 76.
Swivel joint shown in Fig. 4 is the remodeling of above-mentioned swivel joint.In Fig. 4, all adopt identical reference number numbering with parts identical in the above-mentioned swivel joint.The purpose of swivel joint being carried out this remodeling is in order outer tube and housing to be loaded and unloaded as an one-piece element when swivel joint being safeguarded or keep in repair.
As shown in Figure 4, axle journal 44 ' is supported by bearing 50 ', and by packing ring 52 ' and nut 56 ' bearing is located.Bearing cap 62 ' is connected on the bearing support 58 ' by bolt 63 '.Between bearing support 58 ' and the inner packing ring 52 ' and between bearing cap 62 ' and the nut 56 ' seal ring 108 is being housed, is it should be noted that here seal ring 108 is not the seal ring of O shape cast formula.
Be that slight drive fit is installed between the axle sleeve hole 112 of axle sleeve 110 and axle journal 44 ' end.Axle sleeve hole 112 closely cooperates with tubular sleeve 112, thereby forms sealing between axle sleeve hole and axle sleeve 110, plays the effect of O-ring seals.Outer tube 114 has the flange 118 of an evagination, the inner of outer tube have one be installed in axle sleeve 110 on the notch that matches of key 121, like this, outer tube 114 just can with axle journal 44 ' and axle sleeve 110 rotated.Between axle sleeve 110 and the outer tube by seal with O ring.Housing 120 be supported on outer tube 114 the perimeter it can move with respect to outer tube, it also comprises the O shape circle 84 ' and 90 ' that seals between the housing and bearing cap 62 ' and end cap 96 ' as previously described.A thrust-bearing 122 has been installed between pipe flange end face 118 and the housing 120 outside, and the circlip 126 that is installed in the groove has carried out axially locating with housing 120 on outer tube 114.Back-up ring 126 has also played the effect of thrust-bearing, and guarantees outer tube 114 and housing 120 to be loaded and unloaded together when swivel joint being keeped in repair or safeguard.
In the swivel joint shown in Fig. 4, the axial expansion that sealing configuration both can be suitable for roll also can be suitable for the off-centre in the roll rotary course.Outer tube can slide vertically in axle sleeve 110 and adapt to the axial expansion of roll, the accommodation mode of the off-centre of breaker roll in rotary course is identical with mode described in Fig. 2 and Fig. 3, and the gap between outer tube 114 and the axle sleeve 110 provides the unexistent off-centre of aforementioned joint to be suitable for ability in addition.The main feature of the swivel joint shown in Fig. 4 is maintenance or the maintenance of being convenient to joint, in case with end cap 96 ' after bearing cap 62 ' disassembles, just outer tube 114 and housing 120 can be loaded and unloaded together as an one-piece element.
In the swivel joint shown in Fig. 2, only shown that a runner is by journal centre hole 46.But, two kinds of swivel joints relating to of the utility model designing institute all can be designed as double flow channel.For example, a runner is imported roll with cold water, and heated water flows out from another runner in the roll simultaneously, thereby forms the circulation of cooling water.The roller of this double flow channel type or cylinder are normally used for cylinder is heated, and steam is imported and condensed water is discharged from the another one mouth on the swivel joint from a mouth on the swivel joint.
The running environment of continuously hot rolling steel plate factory is abominable, and the client wishes at such condition lower swivel energy long-play and low maintenance rate is arranged.Just eliminated " weak link " in traditional swivel joint without metallic hose, simultaneously, the sealing of the uniqueness that is provided together by outer tube and joining housing can adapt to the slight eccentricity of roll and be unlikely and causes seal failure.May be very simple to various improvement of the present utility model and do not violate spirit and scope of the present utility model.
Claims (6)
1, the built-in swivel joint of bearing FE Tiler, roller is also rotating around its spin axis of hollow, this swivel joint comprises one can be installed to the hollow shaft to be rotated on the roller journal, hollow shaft has an exterior edge face and an external cylindrical surface, the hollow shaft fixing bearing cap wherein of packing into, swivel joint also comprises the radial and axial mobile sealing configuration that can adapt to hollow shaft between hollow shaft and the bearing cap, runner in the bearing cap communicates with the exterior edge face of the hollow shaft runner of this swivel joint, the end of runner with import to roller or be connected from the pipeline of roller derivation heat exchange medium.
2, the built-in swivel joint of bearing FE Tiler according to claim 1, it is characterized in that: bearing cap is installed in the bearing support that is used for spring bearing, and axle journal is positioned at bearing.
3, the built-in swivel joint of bearing FE Tiler according to claim 1, it is characterized in that: a stiff case is arranged, the intermediate hole of housing matches with the external cylindrical surface of hollow shaft, flange on the housing is positioned at the inner chamber of aforementioned bearings lid, upper edge, the outside radially direct of shell flange is fluted, resilient O-ring seal in the groove between the intermediate hole and hollow shaft of housing, forms sealing mutually between shell flange and the bearing cap inner chamber.
4, the built-in swivel joint of bearing FE Tiler according to claim 3, it is characterized in that: the distance radius on shell flange outer surface and the internal surface between the running shaft of radially-arranged groove and roller does not wait.
5, the built-in swivel joint of bearing FE Tiler according to claim 1 is characterized in that: a radial flange is arranged on the hollow shaft, and the bolt that passes this flange is fixed to hollow shaft the end of roller journal.
6, the built-in swivel joint of bearing FE Tiler according to claim 1 is characterized in that: also comprise an annular sleeve, annular sleeve is installed in the roller near the axle journal end with one heart, and hollow shaft is installed in this axle sleeve also sealed to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072865 CN2837650Y (en) | 2005-06-16 | 2005-06-16 | Bearing liner cover built-in rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072865 CN2837650Y (en) | 2005-06-16 | 2005-06-16 | Bearing liner cover built-in rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837650Y true CN2837650Y (en) | 2006-11-15 |
Family
ID=37392135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520072865 Expired - Lifetime CN2837650Y (en) | 2005-06-16 | 2005-06-16 | Bearing liner cover built-in rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837650Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235561A (en) * | 2010-04-30 | 2011-11-09 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and rotary table using same |
| CN105057623A (en) * | 2015-08-20 | 2015-11-18 | 唐山渤海冶金设备有限责任公司 | Universal roller way for secondary cooling zone of circular-rectangular blank continuous casting machine |
| CN106641524A (en) * | 2016-12-24 | 2017-05-10 | 北京工业大学 | Flange sectioning connection type rotary connector |
| US11465197B2 (en) | 2017-10-18 | 2022-10-11 | Sms Group Gmbh | Device for coupling a coolant supply to a roll |
-
2005
- 2005-06-16 CN CN 200520072865 patent/CN2837650Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235561A (en) * | 2010-04-30 | 2011-11-09 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and rotary table using same |
| CN102235561B (en) * | 2010-04-30 | 2013-07-31 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and rotary table using same |
| CN105057623A (en) * | 2015-08-20 | 2015-11-18 | 唐山渤海冶金设备有限责任公司 | Universal roller way for secondary cooling zone of circular-rectangular blank continuous casting machine |
| CN106641524A (en) * | 2016-12-24 | 2017-05-10 | 北京工业大学 | Flange sectioning connection type rotary connector |
| CN106641524B (en) * | 2016-12-24 | 2018-10-09 | 北京工业大学 | A kind of subdivision flange join type rotary joint |
| US11465197B2 (en) | 2017-10-18 | 2022-10-11 | Sms Group Gmbh | Device for coupling a coolant supply to a roll |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150616 Granted publication date: 20061115 |