CN103846282B - A kind of hot rolling roughing mill working roll mandril protector - Google Patents
A kind of hot rolling roughing mill working roll mandril protector Download PDFInfo
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- CN103846282B CN103846282B CN201410111421.1A CN201410111421A CN103846282B CN 103846282 B CN103846282 B CN 103846282B CN 201410111421 A CN201410111421 A CN 201410111421A CN 103846282 B CN103846282 B CN 103846282B
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- push rod
- protective cover
- working roll
- roughing mill
- ring flange
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Abstract
The invention discloses a kind of hot rolling roughing mill working roll mandril protector, comprise push rod, push rod is arranged in roughing mill working roll bearing block, the position that the end of roughing mill working roll bearing block combines with push rod arranges push rod end cap cover, push rod end cap cover is nested with on push rod, the position that the end of push rod end cap cover combines with push rod arranges backbone sealing ring, the end of push rod end cap cover is provided with protective cover, protective cover is nested with the end at push rod, the two ends of protective cover are provided with ring flange, ring flange is separately fixed at the both ends of protective cover, the protective cover ring flange that wherein one end is arranged is fixed on push rod end cap and puts, the ring flange that the other end is arranged is provided with top board, top board is threaded in the end of push rod.The present invention it solves the problem that easily invades of foreign matter when roller ties up to machine running, and elevation dimension when it can ensure that roller system installs, shortens the roll periodic replacement time, guarantee roller system bearing and annex, milling train annex normal service life.
Description
Technical field
The invention belongs to hot rolling roughing mill technical applications, be specifically related to a kind of hot rolling roughing mill working roll mandril protector.
Background technology
Often roughing mill can be used in hot-continuous-rolling strip steel growth line; when the rough rolling working roll bearing block roller of roughing mill ties up to running in milling train; bottom roll bearing block push rod can drop to bottommost, and the end cap cover reinforced seal at this moment on bearing block push rod and the cylinder chamfering of bearing block push rod will form comparatively wide arc gap.In belt steel rolling process, a series of impurity such as a large amount of iron scales and dust can be formed in frame, after these impurity mix with roll cooling water, can enter in bearing block along the gap of push rod and bearing block, the words of this situation long time integration, just likely cause following adverse consequences: (1) roughing mill working roll bottom roll bearing block is inner overstocks the foreign matters such as iron scale because of long-time, cause bearing block internal corrosion serious, push rod dismounting difficulty, greatly affects the operating efficiency that bearing block is safeguarded.As bearing block push rod cannot be dismantled for a long time, the consequence that can directly cause bearing block to scrap.(2) lifting of roughing mill working roll bottom roll bearing block push rod is dumb, and directly affect roller and tie up to machine elevation dimension, finally cause to pull out in milling train in machine roller system, roll periodic replacement overlong time, greatly affects the normal production time.(3) may cause the change of roller system elevation dimension, roller system pulls out the annex that can add big roller system and milling train and scratches, weares and teares in milling train, affects the service life of annex.
For problem described above and the adverse consequences that may cause, design a kind of can avoid producing in production process impurity and the cooling water push rod protective cover that enters bearing block become inevitable.
Summary of the invention
The invention provides a kind of hot rolling roughing mill working roll mandril protector, it solve roller and tie up to the problem that when machine operates, foreign matter easily invades, it can ensure roller system at machine elevation dimension, greatly shorten the roll periodic replacement time, effectively ensure roller system bearing and annex, milling train annex normal service life.
In order to solve the problem, the technical solution adopted in the present invention is: a kind of hot rolling roughing mill working roll mandril protector, comprise push rod, it is inner that described push rod is arranged on roughing mill working roll bearing block, the position that the end of described roughing mill working roll bearing block combines with push rod arranges push rod end cap cover, described push rod end cap cover is nested with on push rod, the position that the end of described push rod end cap cover combines with push rod arranges backbone sealing ring, it is characterized in that, the end of described push rod end cap cover is provided with protective cover, described protective cover is nested with the end at push rod, the two ends of protective cover are provided with ring flange, described ring flange is separately fixed at the both ends of protective cover, the described protective cover ring flange that wherein one end is arranged is fixed by a pin to push rod end cap and puts, the ring flange that the described protective cover other end is arranged is provided with top board, top board is threaded in the end of push rod.
Described protective cover is waterproof folding protective cover.
The ring flange that described protective cover two ends are arranged is the ring flange of quality of rubber materials.
The position that described top board is threaded with push rod is provided with one piece of moveable block, and position corresponding with movable block in described top board arranges and holds out against screw.
Described top board is steel top board.
The invention has the beneficial effects as follows:
(1) a kind of hot rolling roughing mill of the present invention working roll mandril protector overcomes the upper defect of push rod design of existing rough rolling working roll bearing block, avoid roller tie up to machine running time foreign matter enter in bearing block by the gap between push rod and bearing block, cause the problem that bearing block internal corrosion is serious, improve push rod and open and inspect the operating efficiency safeguarded and change.
(2) what present invention, avoiding that roughing mill working roll causes because of absolute altitude reason cannot normally take out roller problem, ensure that the unaffected at machine elevation dimension of roller system, greatly shorten the roll periodic replacement time, and effectively ensure roller system bearing and annex, milling train annex normal service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention after improving;
In figure: 1-push rod, 2-roughing mill working roll bearing block, 3-push rod end cap cover, 4-backbone sealing ring, 5-protective cover, 6-ring flange, 7-top board, 8-movable block, 9-hold out against screw.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
As shown in Figure 1, a kind of hot rolling roughing mill working roll mandril of the present invention protector, it comprises push rod 1, it is inner that described push rod 1 is arranged on roughing mill working roll bearing block 2, the position that the end of described roughing mill working roll bearing block 2 combines with push rod 1 arranges push rod end cap and overlaps 3, described push rod end cap cover 3 is nested with on push rod 1, is bolted between described push rod end cap cover 3 and roughing mill working roll bearing block 2.The position that the end of described push rod end cap cover 3 combines with push rod 1 arranges backbone sealing ring 4, and backbone sealing ring 4 can play the effect of internal Protection, and impurity or roll cooling water can be avoided to enter roughing mill working roll bearing block 2 internal corrosion bearing block.
The end of described push rod end cap cover 3 is also provided with protective cover 5, and protective cover 5 can play the effect of exterior protection.Described protective cover 5 is nested with in the end of push rod 1, the two ends of protective cover 5 are provided with ring flange 6, described ring flange 6 is separately fixed at the both ends of protective cover 5, described protective cover 5 ring flange that wherein one end is arranged is fixed by a pin on the push rod end cap cover 3 of bearing block, the ring flange that described protective cover 5 other end is arranged is provided with top board 7, and top board 7 is threaded in the end of push rod 1.
The protective cover 5 that described push rod end cap cover end is arranged is waterproof folding protective cover.Described waterproof folding protective cover not only can waterproof but also can carry out telescopic folding, such protective cover can occur to stretch with moving up and down of push rod, after avoiding a series of impurity such as iron scale and dust and roll cooling water mixing, the gap along push rod and bearing block enters bearing block internal corrosion bearing block.
In order to better protection effect can be reached, the material selection of protective cover there is certain pliability and the protective cloth of waterproof and oilproof as the sleeve of protective cover.In addition, be respectively arranged with steel ring in the burst of protective cover, better folding effect can be realized, making the gauge of protective cover when compressing less, being conducive to the lifting of push rod.
The ring flange 6 that described protective cover two ends are arranged is the ring flange of quality of rubber materials.The ring flange of quality of rubber materials has good sealing effect, waterproof anti-corrosion, is convenient to the features such as installation.
The position that described top board 7 is threaded with push rod 1 is provided with one piece of moveable block 8, and in described top board 7, the position corresponding with movable block 8 arranges and hold out against screw 9, holds out against screw and can be used for regulating the relative position of movable block to hold out against movable block.The setting of movable block avoids between top board and push rod and relatively rotates.
Described top board 7 is steel top board, and steel top board is convenient to carry out combination between push rod and is installed, relative fixing with what realize between protective cover with push rod.
The present invention adds protective cover at roughing mill working roll bottom roll bearing block push rod place, solves working roll when machine uses, and push rod sinking chamfer site produces clearance issues, the use problem that the immersion fundamentally solving iron scale powder brings.It is low that cost is manufactured in this invention, easy installation and removal, and very firm stable.
The above is the preferred embodiment of the present invention, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also regarded as protection scope of the present invention.
Claims (5)
1. a hot rolling roughing mill working roll mandril protector, comprise push rod, it is inner that described push rod is arranged on roughing mill working roll bearing block, the position that the end of described roughing mill working roll bearing block combines with push rod arranges push rod end cap cover, described push rod end cap cover is nested with on push rod, the position that the end of described push rod end cap cover combines with push rod arranges backbone sealing ring, it is characterized in that, the end of described push rod end cap cover is provided with protective cover, described protective cover is nested with the end at push rod, the two ends of protective cover are provided with ring flange, described ring flange is separately fixed at the both ends of protective cover, the described protective cover ring flange that wherein one end is arranged is fixed by a pin to push rod end cap and puts, the ring flange that the described protective cover other end is arranged is provided with top board, top board is threaded in the end of push rod.
2. a kind of hot rolling roughing mill working roll mandril protector as claimed in claim 1, is characterized in that, described protective cover is waterproof folding protective cover.
3. a kind of hot rolling roughing mill working roll mandril protector as claimed in claim 1 or 2, is characterized in that, the ring flange that described protective cover two ends are arranged is the ring flange of quality of rubber materials.
4. a kind of hot rolling roughing mill working roll mandril protector as claimed in claim 1, it is characterized in that, the position that described top board is threaded with push rod is provided with one piece of moveable block, and position corresponding with movable block in described top board arranges and holds out against screw.
5. a kind of hot rolling roughing mill working roll mandril protector as described in claim 1 or 4, it is characterized in that, described top board is steel top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111421.1A CN103846282B (en) | 2014-03-25 | 2014-03-25 | A kind of hot rolling roughing mill working roll mandril protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111421.1A CN103846282B (en) | 2014-03-25 | 2014-03-25 | A kind of hot rolling roughing mill working roll mandril protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103846282A CN103846282A (en) | 2014-06-11 |
| CN103846282B true CN103846282B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410111421.1A Active CN103846282B (en) | 2014-03-25 | 2014-03-25 | A kind of hot rolling roughing mill working roll mandril protector |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07110365B2 (en) * | 1991-08-15 | 1995-11-29 | 新日本製鐵株式会社 | Eccentric ring type edging rolling roll reworking device |
| ITMI20011859A1 (en) * | 2001-09-04 | 2003-03-04 | Danieli Off Mecc | HYDRAULIC ASSEMBLY AND QUICK DISASSEMBLY OF LAMINATION CYLINDER BEARINGS AND RELATED METHOD OF USE |
| CN201082430Y (en) * | 2007-06-26 | 2008-07-09 | 江苏永钢集团有限公司 | Sealing device for finishing mill roller case |
| US7958593B2 (en) * | 2007-07-20 | 2011-06-14 | Lhr Technologies, Inc. | Wiper mechanism |
| CN202803756U (en) * | 2012-07-20 | 2013-03-20 | 仙游县闽邦冶金机械设备有限公司 | Roll shaft waterproof structure |
| CN102847717A (en) * | 2012-09-08 | 2013-01-02 | 中色科技股份有限公司 | Device and method for improving steady operation of roll system of rolling mill |
| CN203400932U (en) * | 2013-08-20 | 2014-01-22 | 唐山港陆钢铁有限公司 | Waterproof dust-preventing device of lower bearing box of edger mill |
| CN203886942U (en) * | 2014-03-25 | 2014-10-22 | 济钢集团有限公司 | Working-roll ejector rod protection device of hot-rolling roughing mill |
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2014
- 2014-03-25 CN CN201410111421.1A patent/CN103846282B/en active Active
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| CN103846282A (en) | 2014-06-11 |
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