CN202510898U - Improved mandrel rotation joint of hot-rolling recoiler - Google Patents
Improved mandrel rotation joint of hot-rolling recoiler Download PDFInfo
- Publication number
- CN202510898U CN202510898U CN 201220087236 CN201220087236U CN202510898U CN 202510898 U CN202510898 U CN 202510898U CN 201220087236 CN201220087236 CN 201220087236 CN 201220087236 U CN201220087236 U CN 201220087236U CN 202510898 U CN202510898 U CN 202510898U
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- swivel joint
- rotation joint
- oil
- lining
- water route
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Abstract
The utility model relates to an improved mandrel rotation joint of a hot-rolling recoiler, belonging to the technical field of metallurgy and steel rolling machine equipment and used for effectively solving the difficulty that the mandrel rotation joint is burnt. According to the technical scheme, the improved mandrel rotation joint of the hot-rolling recoiler comprises two parts including an oil way rotation joint and a water way rotation joint which are connected by a connecting cover; the shaft of the oil way rotation joint is in sliding contact with the inner wall of a bush, a plurality of oil inlets perpendicular to the axial direction are arranged on a shell and the bush, a plurality of oil grooves surrounding the inner wall of the lining and the circumference of the shaft body are arranged in the bush and the shaft body relative to the positions of the oil inlets, a plurality of oil ways are arranged in the shaft body along the axial direction, and water ways axially passing through the shaft body are arranged in the shaft body. The improved mandrel rotation joint has the beneficial effects that the overall influence of the water ways on the mandrel rotation joint can be avoided, the difficulty that the mandrel rotation joint is burnt is effectively solved; and the service life of the mandrel rotation joint is prolonged, the replacement operation time is greatly shortened, the cooling effect of recoiling a mandrel is improved, and the production of the whole recoiling area is stabilized.
Description
Technical field
The utility model relates to a kind of improved hot rolling reeling machine mandrel swivel joint, belongs to metallurgical mechanical equipment of steel rolling technical field.
Background technique
When needing water, gas, the various fluids of wet goods and pressure medium on the equipment of a rotation or the working platform, carry the pipeline equipment of can not following of these fluids to rotate together, swivel joint manufactures and designs for solving this difficult problem.Swivel joint is a kind of intermittently, continuously in rotation or the swing rotary course, can be directly also can carry the device of various fluid pressure mediums continuously.Swivel joint is made up of mandrel and overcoat, and mandrel and overcoat can relatively rotate.Mandrel can be connected exterior line with the hydraulic fluid port that puts outward, inner then with passage mandrel with put corresponding hydraulic fluid port outward and couple together.
In numerous swivel joints; The effect of hot rolling reeling machine mandrel swivel joint is hydraulic oil to be provided, to lubricate drier oil and cooling water for mandrel provides for mandrel harmomegathus cylinder; In whole process of production, be in the high speed rotating state; Reach 400 rev/mins the soonest, its operational situation directly influences the production stability of whole production line.But in real work, there are problems such as the short and instability of life cycle in existing hot rolling reeling machine mandrel swivel joint, has restricted the rhythm of production of whole production line greatly.Combine field experience for many years to reach further investigation through the technician to parts damages; The main position of damage of finding hot rolling reeling machine mandrel swivel joint is the water jacket position that cooling water is provided for mandrel; The high-speed rotating shaft serious wear; Cause sealing effect bad, the water of finally going here and there causes swivel joint to be burnt to death.Therefore it is very necessary existing hot rolling reeling machine mandrel swivel joint being improved.
The model utility content
The utility model technical problem to be solved provides that a kind of good stability, runnability are good, long service life, fabricating cost are low improved hot rolling reeling machine mandrel swivel joint.
The technological scheme that solves the problems of the technologies described above is:
A kind of improved hot rolling reeling machine mandrel swivel joint, it is made up of oil circuit swivel joint, water route swivel joint two-part, is connected by connecting cover between oil circuit swivel joint and the water route swivel joint;
Described oil circuit swivel joint is made up of coupling flange, front cover, housing, lining, axle, rear end cover, and lining is fixed in the housing, and axle is installed in the lining; There is bearings at the two ends of axle; Axle is sliding contact with the lining inwall, and a plurality of filler openings perpendicular to axial direction are arranged on housing and lining, is having a plurality of oil grooves around lining inwall and axis body circumference on the position of filler opening relatively on lining and the axis body; In axis body, have along axial a plurality of oil circuits; One end of oil circuit is connected with the oil groove of axis body periphery respectively, and the other end of oil circuit passes the back from axle head and is connected with the oil circuit of rotating hydraulic cylinder, in axis body, runs through the water route of axis body in addition vertically.
Above-mentioned improved hot rolling reeling machine mandrel swivel joint, said water route swivel joint is the Twin channel swivel joint, on the said connecting cover through hole is arranged, the two ends of through hole respectively with oil circuit swivel joint axis body in water route and the water route of water route swivel joint be connected.
Above-mentioned improved hot rolling reeling machine mandrel swivel joint has multiple-sealed between said housing and the lining.
The usefulness of the utility model is:
1. the utility model changes existing hot rolling reeling machine mandrel swivel joint into oil circuit swivel joint, water route swivel joint two-part, has avoided the water route to the whole influence of mandrel swivel joint, has solved the difficult problem that the mandrel swivel joint is burnt to death effectively.
2. the utility model has prolonged mandrel swivel joint working life greatly;
3. the utility model can shorten the replacing activity duration greatly, can shorten to 20 minutes by original 6 hours, has significantly improved efficient;
4. the utility model has improved the cooling effect that batches mandrel, has stablized the whole district of batching and has produced;
5. shorten the improper stopping production of the production line that causes because of the swivel joint scaling loss greatly, reduced the pollution and the run, drip, leak phenomenon of the hydraulic oil that causes because of the frequent change swivel joint.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of connecting cover;
Fig. 3 is the side view of Fig. 2.
Mark is following among the figure: coupling flange 1, front cover 2, sealing 3, bearing 4, housing 5, lining 6, axle 7, bearing 8, locknut 9, sealing 10, rear end cover 11, bolt 12, asbestos packing 13, connecting cover 14, asbestos packing 15, nut 16, stud 17, Twin channel swivel joint 18, oil circuit 19, water route 20, water intake 21, filler opening 22.
Embodiment
The utility model is made up of oil circuit swivel joint, water route swivel joint two-part, is connected by connecting cover 14 between oil circuit swivel joint and the water route swivel joint.
Show among the figure that the oil circuit swivel joint is made up of coupling flange 1, front cover 2, housing 5, lining 6, axle 7, rear end cover 11.
Show among the figure that lining 6 is fixed in the housing 5, no relative movement and design multiple-sealedly between housing 5 and the lining 6 prevents the leakage of hydraulic oil or cooling water.
Show among the figure; Axle 7 is installed in the lining 6, and the two ends of axle 7 are supported by bearing 4 and bearing 8 respectively, and axle 7 rotates in lining 6; Axle 7 is sliding contact with lining 6 inwalls; Gap between them is very little, can make liquid oil between axle 7 and lining 6 inwalls, form one deck oil film, because axle 7 and relatively rotating of lining 6 have formed the very thin oil film of one deck between them; Not only play the lubrication of axle 7 and lining 6 but also played good seal action, prevented the leakage of the oil groove fluid in the high pressure oil flow process on lining 6 inwalls and the axle 7.
Show among the figure; On housing 5 and lining 6, a plurality of filler openings perpendicular to axial direction 22 are arranged; Having a plurality of oil grooves on the position of filler opening 22 relatively on lining 6 and the axis body around lining 6 inwalls and axis body circumference; In axis body, have along axial a plurality of oil circuits 19, an end of oil circuit 19 is connected with the oil groove of axis body periphery respectively, and the other end of oil circuit 19 passes the back from axle head and is connected with the oil circuit of rotating hydraulic cylinder.Hydraulic oil gets into the rotating hydraulic cylinder through the corresponding oil circuit 19 of each filler opening 22 in axle, realizes the flexible of oil hydraulic cylinder, and then realizes the breathing of mandrel.
Show among the figure, the utility model have three filler opening A, B, C, through the oilhole in the axle get into the rod chamber of rotating hydraulic cylinder respectively, middle rodless cavity provides hydraulic oil for it is flexible: B, the oil-feed of C mouth when mandrel shrinks, the oil return of A mouth; A, the oil-feed of C mouth when mandrel once expands, the oil return of B mouth; A mouth oil-feed when the mandrel secondary expands, B, the oil return of C mouth.The D mouth is the import of drier oil fat, and is identical with filler opening A, B, C principle.Effect is that the slip for mandrel wedge shape axle and wedge-shaped blocks provides lubricating grease.Show among the figure,
Show among the figure that in axis body, run through the water route 20 of axis body in addition vertically, it is connected with the water route 20 of water route swivel joint.On the connecting cover 14 through hole is arranged, the two ends of through hole respectively with oil circuit swivel joint axis body in water route 20 and the water route 20 of water route swivel joint be connected.
What the water route swivel joint of the utility model was adopted is the Twin channel swivel joint, and this Twin channel swivel joint is a universal component, and the model of the Twin channel swivel joint that the utility model uses is 4125WRB2F.
Claims (3)
1. improved hot rolling reeling machine mandrel swivel joint, it is characterized in that: it is made up of oil circuit swivel joint, water route swivel joint two-part, is connected by connecting cover (14) between oil circuit swivel joint and the water route swivel joint;
Described oil circuit swivel joint is made up of coupling flange (1), front cover (2), housing (5), lining (6), axle (7), rear end cover (11); Lining (6) is fixed in the housing (5); Axle (7) is installed in the lining (6); There is bearings at the two ends of axle (7); Axle (7) is sliding contact with lining (6) inwall, on housing (5) and lining (6), a plurality of filler openings perpendicular to axial direction (22) is arranged, and is having a plurality of oil grooves around lining (6) inwall and axis body circumference on the position of filler opening (22) relatively on lining (6) and the axis body; In axis body, have along axial a plurality of oil circuits (19); One end of oil circuit (19) is connected with the oil groove of axis body periphery respectively, and the other end of oil circuit (19) passes the back from axle head and is connected with the oil circuit of rotating hydraulic cylinder, in axis body, runs through the water route (20) of axis body in addition vertically.
2. improved hot rolling reeling according to claim 1 machine mandrel swivel joint; It is characterized in that: said water route swivel joint is the Twin channel swivel joint; Said connecting cover has through hole on (14), the two ends of through hole respectively with oil circuit swivel joint axis body in water route (20) and the water route (20) of water route swivel joint be connected.
3. improved hot rolling reeling according to claim 2 machine mandrel swivel joint is characterized in that: have multiple-sealed between said housing (5) and the lining (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220087236 CN202510898U (en) | 2012-03-09 | 2012-03-09 | Improved mandrel rotation joint of hot-rolling recoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220087236 CN202510898U (en) | 2012-03-09 | 2012-03-09 | Improved mandrel rotation joint of hot-rolling recoiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510898U true CN202510898U (en) | 2012-10-31 |
Family
ID=47063385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220087236 Expired - Lifetime CN202510898U (en) | 2012-03-09 | 2012-03-09 | Improved mandrel rotation joint of hot-rolling recoiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971262A (en) * | 2018-06-20 | 2018-12-11 | 湖南科美达重工有限公司 | A kind of lubrication and cooling system for hot rolling reel |
-
2012
- 2012-03-09 CN CN 201220087236 patent/CN202510898U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971262A (en) * | 2018-06-20 | 2018-12-11 | 湖南科美达重工有限公司 | A kind of lubrication and cooling system for hot rolling reel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee after: River steel Limited by Share Ltd Tangshan branch Address before: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee before: Hebei Steel Co., Ltd., Tangshan Branch |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
|
| CX01 | Expiry of patent term |