CN103752615B - Oil-gas lubrication connecting device of twenty-high rolling mill - Google Patents
Oil-gas lubrication connecting device of twenty-high rolling mill Download PDFInfo
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- CN103752615B CN103752615B CN201310750645.2A CN201310750645A CN103752615B CN 103752615 B CN103752615 B CN 103752615B CN 201310750645 A CN201310750645 A CN 201310750645A CN 103752615 B CN103752615 B CN 103752615B
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Abstract
The invention discloses an oil-gas lubrication connecting device of a twenty-high rolling mill. The oil-gas lubrication connecting device of the twenty-high rolling mill comprises a main connecting shaft, a transmission-side end cover, a press plate, a belleville spring, a sealing end cover and an O-shaped sealing ring assembly. A right port of the main connecting shaft is connected with a pipe connector with a seal, the belleville spring is installed between the right end face of a convex ring of the main connecting shaft and the transmission-side end cover, an intersection area of a coverage face of an oil-gas lubrication assembly interface hole corresponds to an oil-gas hole of a back roll bearing mandrel, namely the oil-gas hole of the back roll bearing mandrel is arranged in the intersection area of working tracks of the oil-gas lubrication assembly interface hole to form complete hole coverage. Pressure produced by the compressed belleville spring enables the main connecting shaft installed in a rear cover supporting hole and the back roll to form a tight fitting structure after a back roll is in place. Automatic butt joint and sealing of oil-gas pipelines can be achieved, and accordingly automatic release and connection of the oil-gas lubrication connecting device in the back roll replacing process are achieved. By adopting the complete hole coverage design of an oil-gas lubrication assembly, good channel connection is ensured.
Description
Technical field
The invention belongs to cold-rolling process field, be specifically related to the oil-air lubrication jockey of Sendzimir mill back flow roll roller system, particularly a kind of mill.
Background technology
Modern steel is produced towards high-speed overload future development, and mill, as a kind of mill type of high efficient and reliable, is more and more applied aborning.The back flow roll of mill forms by being arranged on the multiple bearings discharged in a single mandrel and interval, and its bearing lubrication generally adopts thin oil lubricant, and unit speed is generally not high.For providing clean lubrication form to bearing and improving unit speed, bearing needs oil-air lubrication to realize.Because mill back flow roll design feature limit, oil gas needed for its bearing lubrication is carried by oil-air lubrication assembly in backing roll axle.From mill back flow roll working condition, its bearing subjects large roll-force and serious wear in the operation of rolling, so must need periodic replacement.Due to mill assembling, back flow roll is changed to have come at the fore side replacing suspender of milling train.Necessary suspender mating interface must be retained thus at the fore side of back flow roll.Thus make the conveying of bearing required lubrication oil gas, can only enter from the transmission side of back flow roll axle, in other words oil gas must supply in mill drive side, existing oil-air lubrication jockey is installed in mill transmission side cover plate, is manually connected the oil-gas transportation that cannot realize back flow roll bearing lubrication with back flow roll.Because mill compact conformation, transmission side space is transmitted axle and the restriction of protective cover kind equipment, prosthetic operating space.Therefore propose a kind of reliable oil gas automatic butt mode fast, the reliability for oil gas lubricating system has important function.
Summary of the invention
For solving the problems referred to above that prior art exists, the present invention will design a kind of oil-air lubrication jockey realizing the mill of reliable fast automatic docking.
To achieve these goals, technical scheme of the present invention is as follows: a kind of oil-air lubrication jockey of mill, comprises main connecting axle, transmission side end cap, pressing plate, disk spring, end cover and O RunddichtringO assembly; Described main connecting axle is a multi-ladder hollow cylinder oblique crank Z, and the right side of the oil-air lubrication assembly of its left end band cannelure, left side and back flow roll bearing spindles is fitted and connected; Described O RunddichtringO is positioned at cannelure, and described end cover left end is fitted with the right side of the oil-air lubrication assembly of back flow roll bearing spindles, right-hand member is connected with O RunddichtringO; Cannelure left side is provided with pressing plate, and the inner ring of pressing plate is enclosed within the outer ring of end cover; The right output port of described main connecting axle is connected with being with the pipe joint sealed, between the right side of main connecting axle bulge loop and transmission side end cap, disk spring is installed, described transmission side end cover bolt is arranged on mill bonnet, is limited between transmission side end cap and bonnet end cap together with bonnet end cap by main connecting axle;
The oil-gas hole of the corresponding back flow roll bearing spindles in common factor district of the coverage rate in described oil-air lubrication component interface hole, namely the oil-gas hole of back flow roll bearing spindles is arranged on oil-air lubrication component interface hole working trajectory intersection area, forms all standing of territory, hole.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention is compressed the pressure of generation at back flow roll rear disk spring in place, makes to be arranged on main connecting axle in bonnet support holes and back flow roll and is formed and fit tightly formula structure; After back flow roll is offed normal, the free resilience of bonnet end cap restriction disk spring, makes the main connecting axle position be arranged in bonnet support holes fix.When roll change, back flow roll is extracted out by fore side, and oil-air lubrication assembly its right end face is thrown off automatically with the left end face of main connecting axle, realizes pipeline and automatically disconnects process.When changing new roller, back flow roll is pushed by fore side, main connecting axle left side is tightly pressed against on oil-air lubrication assembly right side by disk spring, realizes automatic butt and the sealing of oil gas pipeline, thus achieves automatic disengagement and the connection of oil-air lubrication jockey in back flow roll roll change process.
2, the pressure adjustment process of back flow roll of the present invention is eccentric adjustment process, and back flow roll bearing spindles can produce axial rotation (its axis can rotate around saddle axis) and radial floating in adjustment.The present invention, by territory, the hole all standing design of oil-air lubrication assembly, ensure that good expanding channels.
Accompanying drawing explanation
The present invention has 3, accompanying drawing, wherein:
Fig. 1 is front view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is territory, the hole all standing design diagram of oil-air lubrication assembly.
In figure: the main connecting axle of 1-, 2-transmission side end cap, 3-pressing plate, 4-end cover, 5-disk spring, 6-O RunddichtringO, 7-pipe joint, 8-oil-air lubrication assembly, 9-back flow roll bearing spindles, 10-bonnet, 11-bonnet end cap.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.As Figure 1-3, a kind of oil-air lubrication jockey of mill, comprises main connecting axle 1, transmission side end cap 2, pressing plate 3, disk spring 5, end cover 4 and O RunddichtringO 6 assembly; Described main connecting axle 1 is a multi-ladder hollow cylinder oblique crank Z, and the right side of the oil-air lubrication assembly 8 of its left end band cannelure, left side and back flow roll bearing spindles 9 is fitted and connected; Described O RunddichtringO 6 is positioned at cannelure, and described end cover 4 left end is fitted with the right side of the oil-air lubrication assembly 8 of back flow roll bearing spindles 9, right-hand member is connected with O RunddichtringO 6; Cannelure left side is provided with pressing plate 3, and the inner ring of pressing plate 3 is enclosed within the outer ring of end cover 4; The right output port of described main connecting axle 1 is connected with being with the pipe joint 7 sealed, between the right side of main connecting axle 1 bulge loop and transmission side end cap 2, disk spring 5 is installed, described transmission side end cap 2 bolt is arranged on mill bonnet 10, is limited between transmission side end cap 2 and bonnet end cap 11 together with bonnet end cap 11 by main connecting axle 1; The oil-gas hole of the corresponding back flow roll bearing spindles 9 in common factor district of the coverage rate of described oil-air lubrication assembly 8 interface holes, namely the oil-gas hole of back flow roll bearing spindles 9 is arranged on oil-air lubrication assembly 8 interface holes working trajectory intersection area, forms all standing of territory, hole.
The structure of main connecting axle 1 of the present invention is hollow, and left side is oil gas output, and end face is pressed against on back flow roll bearing oil gas lubrication assembly 8; Right side is oil gas input, and its screwed hole connects the pipe joint 7 of conveying oil gas; Central cavity is oil-gas transportation passage.Oil gas is entered by the B mouth of main connecting axle 1, is flowed to the oil gas bearing lubrication assembly of left side back flow roll, thus enter back flow roll bearing and lubricate by central cavity.
The present invention can realize and being certainly dynamically connected of back flow roll bearing spindles 9 lubrication assembly.When roll change, back flow roll is extracted out by fore side, and the left end face of oil-air lubrication assembly 8 its right end face and main connecting axle 1 is thrown off automatically, realizes pipeline and automatically disconnects process.When changing new roller, back flow roll is pushed by fore side, and main connecting axle 1 left side is tightly pressed against on the A of lubrication assembly right side by disk spring 5, realizes automatic butt and the sealing of oil gas pipeline.
Oil and gas leakage point of the present invention is on the port of two, the left and right of main connecting axle 1.The pipe joint 7 that the sealing of right output port is sealed by the band connecting B mouth seals.Left port realizes two-stage by main connecting axle 1 with the end face gluing, sealing of oil-air lubrication assembly 8 and the combination sealing of end cover 4 and O RunddichtringO 6 and seals.It is tightly pressed against on the end face A of oil-air lubrication assembly 8 by disk spring 5 by main connecting axle 1, realizes sealing the first order of oil gas.End cover 4 is pressed against on the oil-air lubrication assembly 8 end face A of back flow roll bearing by the O RunddichtringO 6 be out of shape, and forms the second level and seal together with O RunddichtringO 66.
Left side of the present invention oil gas vent can connect the component of radial floating and axial rotation.Be not fixedly connected with because left side of the present invention connects, but rely on end face laminating to realize connecting and sealing.Therefore, when the back flow roll bearing spindles 9 fitting in A place rotates and radial direction is floated by a small margin, end cover 4 and main connecting axle 1 still can fit in end face A, namely still can realize connection and the sealing of oil gas.
Compact conformation of the present invention, install simple, easy to maintenance, oil gas leak source is few, flexibility and reliability.The automatic butt with back flow roll oil gas pipeline can be realized, save roll changing time, enhance productivity.The present invention simultaneously can be used in the occasion that output end face is radial floating and axial rotation, is specially adapted to the oil-air lubrication of mill back flow roll bearing from being dynamically connected.
Claims (1)
1. an oil-air lubrication jockey for mill, is characterized in that: comprise main connecting axle (1), transmission side end cap (2), pressing plate (3), disk spring (5), end cover (4) and O RunddichtringO (6) assembly; Described main connecting axle (1) is a multi-ladder hollow cylinder oblique crank Z, and the right side of the oil-air lubrication assembly (8) of its left end band cannelure, left side and back flow roll bearing spindles (9) is fitted and connected; Described O RunddichtringO (6) is positioned at cannelure, and described end cover (4) left end is fitted with the right side of the oil-air lubrication assembly (8) of back flow roll bearing spindles (9), right-hand member is connected with O RunddichtringO (6); Cannelure left side is provided with pressing plate (3), and the inner ring of pressing plate (3) is enclosed within the outer ring of end cover (4); The right output port of described main connecting axle (1) is connected with being with the pipe joint (7) sealed, between the right side of main connecting axle (1) bulge loop and transmission side end cap (2), disk spring (5) is installed, described transmission side end cap (2) bolt is arranged on mill bonnet (10), is limited between transmission side end cap (2) and bonnet end cap (11) together with bonnet end cap (11) by main connecting axle (1);
The oil-gas hole of corresponding back flow roll bearing spindles (9) in common factor district of the coverage rate of described oil-air lubrication assembly (8) interface holes, namely the oil-gas hole of back flow roll bearing spindles (9) is arranged on oil-air lubrication assembly (8) interface holes working trajectory intersection area, forms all standing of territory, hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750645.2A CN103752615B (en) | 2013-12-31 | 2013-12-31 | Oil-gas lubrication connecting device of twenty-high rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750645.2A CN103752615B (en) | 2013-12-31 | 2013-12-31 | Oil-gas lubrication connecting device of twenty-high rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN103752615A CN103752615A (en) | 2014-04-30 |
| CN103752615B true CN103752615B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310750645.2A Active CN103752615B (en) | 2013-12-31 | 2013-12-31 | Oil-gas lubrication connecting device of twenty-high rolling mill |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111703B (en) * | 2016-06-24 | 2018-01-23 | 武汉钢铁有限公司 | A kind of sendzimir mill support roller and its core roller |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3884535A (en) * | 1974-04-29 | 1975-05-20 | Morgan Construction Co | Seal |
| DE29613087U1 (en) * | 1996-07-29 | 1996-09-19 | Baier & Köppel GmbH & Co, 91257 Pegnitz | Arrangement for the central supply of several friction points with an oil / air mixture |
| US6692689B2 (en) * | 2001-12-14 | 2004-02-17 | Jorge A. Morando | Sink roll assembly with forced hydrodynamic film lubricated bearings and self-aligning holding arms |
| CN2814035Y (en) * | 2005-06-30 | 2006-09-06 | 宝山钢铁股份有限公司 | Self-balance rotary sealing device |
| CN200988050Y (en) * | 2006-12-21 | 2007-12-12 | 中国第一重型机械集团公司 | Novel six rolling mill working roller and middle roller bearing seat |
| CN201244576Y (en) * | 2008-08-13 | 2009-05-27 | 中国第一重型机械集团公司 | Automatic interfacing apparatus of oil-gas lubrication of work roll |
| CN203209432U (en) * | 2013-03-08 | 2013-09-25 | 邯钢集团邯宝钢铁有限公司 | Roll bearing lubricating automatic connection module |
| CN203635622U (en) * | 2013-12-31 | 2014-06-11 | 一重集团大连设计研究院有限公司 | Oil-gas lubrication connection device of twenty-high roll mill |
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