CN210450882U - Anti-blocking supporting roller structure - Google Patents
Anti-blocking supporting roller structure Download PDFInfo
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- CN210450882U CN210450882U CN201920889871.1U CN201920889871U CN210450882U CN 210450882 U CN210450882 U CN 210450882U CN 201920889871 U CN201920889871 U CN 201920889871U CN 210450882 U CN210450882 U CN 210450882U
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Abstract
The utility model discloses an anti-sticking backing roll structure, include: two supporting seats, supporting roller and backing roll body, the both sides axle head of supporting roller pass through coupling mechanism fixed mounting respectively on two supporting seats, make the supporting roller axle can not take place to rotate relative to the supporting seat, the backing roll body can support the roller axle free rotation ground cover through two bearings relatively and locate the supporting roller outside, overlaps respectively on the supporting roller axle of backing roll body both sides and is equipped with the backing roll end cover, and the backing roll body is sealed with the backing roll end cover movable contact of both sides. The utility model has the advantages that: the repeated positioning precision is high, the rapid replacement can be realized, and the phenomenon that the roller body of the supporting roller is blocked due to the blockage of the running clearance by cold steel and steel slag can be effectively prevented.
Description
Technical Field
The utility model relates to a steelmaking continuous casting equipment field, concretely relates to anti-sticking hinders backing roll structure.
Background
The continuous casting machine is a forming equipment capable of continuously casting high-temperature molten steel into a casting blank with a certain section shape and a certain size specification. The back-up roll in conticaster is installed in two cold rooms for supporting the shaped steel billet in arc segment. When the supporting roller is overhauled and replaced, the levelness and the axial inclination of the supporting roller need to be detected, and a horizontal mounting surface adopted by a supporting roller base is partially designed instead of an inclined mounting surface along the tangential direction of an arc line, so that the detection difficulty of replacing and installing the supporting roller is increased, the time consumption is long, and the installation precision is influenced; in addition, the design of conventional backing roll adopts bearing frame and roll body separation design, and gapped between roll body and the bearing frame, and the roll body is rotatory and the bearing frame irrotational, and two cold rooms of conticaster are the more frequent region of emergence bleed-out accident again, often the bleed-out or a large amount of slag fill up the clearance between backing roll body and the bearing frame and cause the backing roll can not rotate, compel to shut down the change, influence the direct motion of production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can realize quick replacement, and be difficult for being caused the anti-sticking backing roll structure that blocks by steel and slag.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-jam back-up roll structure comprising: two supporting seats, supporting roller axle and backing roll body, its characterized in that: the supporting roll shaft is characterized in that shaft ends on two sides of the supporting roll shaft are respectively and fixedly installed on the two supporting seats through a connecting mechanism, so that the supporting roll shaft cannot rotate relative to the supporting seats, the supporting roll shaft is sleeved outside the supporting roll shaft through the two bearings in a free rotating mode, supporting roll end covers are respectively sleeved on the supporting roll shafts on two sides of the supporting roll shaft, and the supporting roll shaft and the supporting roll end covers on two sides are in movable contact sealing.
Further, the anti-jamming support roller structure comprises: supporting roller axle head and correspond coupling mechanism between the supporting seat specifically include: be provided with U type draw-in groove at the top of supporting seat, the axle head shape of supporting roller just in time with U type draw-in groove looks adaptation, when guaranteeing the U type draw-in groove of the axle head embedding supporting seat of supporting roller, the supporting roller axle head can not take place to rotate relative to the supporting seat, still is provided with at the top of supporting seat to be used for compressing tightly the clamp plate of fixing in U type draw-in groove with the supporting roller, and the clamp plate passes through coupling assembling locking to be fixed on the supporting seat.
Further, the anti-jamming support roller structure comprises: the structure of the connecting assembly comprises: the screw rod of the connecting bolt sequentially penetrates through the supporting seat and the pressing plate from bottom to top and then is in threaded connection with the connecting nut, and the connecting nut is screwed down to enable the pressing plate and the supporting seat to be locked and fixed.
Further, the anti-jamming support roller structure comprises: and a roller body positioning retainer ring for axially positioning the roller body of the supporting roller is sleeved on the supporting roller shaft between each supporting roller end cover and the corresponding side supporting seat respectively.
Further, the anti-jamming support roller structure comprises: the end face of the supporting roller body, which is in contact with the end cover of the supporting roller, is provided with a plurality of rings of annular sealing check rings, and the annular sealing check rings of the end cover of the supporting roller are just inserted into the annular sealing grooves on the end face of the supporting roller body one by one, so that labyrinth sealing is formed between the end face of the supporting roller body and the corresponding side supporting roller end cover.
Further, the anti-jamming support roller structure comprises: the supporting roll comprises a supporting roll body, two supporting roll end covers, a cavity is formed by the supporting roll body and a supporting roll shaft in a surrounding mode, two framework oil seals sleeved on the supporting roll shaft are arranged inside the supporting roll body, the cavity is divided into a water-cooling cavity located in the middle and bearing lubricating cavities distributed on two sides of the water-cooling cavity by the two framework oil seals, the two bearings are installed in the two bearing lubricating cavities respectively, a cooling water inlet and a first bearing oil-gas lubricating port are formed in the end face of one side shaft end of the supporting roll shaft, a cooling water outlet and a second bearing oil-gas lubricating port are formed in the end face of the other side shaft end, a water inlet channel used for communicating the cooling water inlet with the water-cooling cavity and a water outlet channel used for communicating the cooling water outlet with the water-cooling cavity are formed in the supporting roll shaft, and the first bearing oil-gas lubricating channel used for communicating, And the second bearing oil-gas lubrication channel is used for communicating the second bearing oil-gas lubrication port with the bearing lubrication cavity corresponding to the same side.
Further, the anti-jamming support roller structure comprises: and a bearing outer ring positioning check ring for positioning the bearing outer ring is arranged between each bearing and the framework oil seal corresponding to the same side, and a bearing inner ring positioning check ring for positioning the bearing inner ring is arranged on the supporting roller end cover corresponding to the same side of each bearing.
Further, the anti-jamming support roller structure comprises: the conveying end surface of the roller body of the supporting roller is provided with a concave groove with two high sides and a low middle part.
The utility model has the advantages that: (1) when the supporting roller is replaced and installed, the supporting roller shaft and the supporting roller body can be directly replaced together only by detaching the pressing plate on the supporting seat, the repeated positioning precision is high, and the rapid replacement is realized; (2) the bearing is installed inside the back-up roll body to being movable clearance sealed between back-up roll body terminal surface and the corresponding back-up roll end cover, even the clearance is blockked up between back-up roll end cover and the supporting seat, also can not influencing the operation of back-up roll body, effectively prevent the back-up roll body because of the phenomenon emergence that the running clearance is blockked up and is blocked by cold steel, slag.
Drawings
Fig. 1 is a schematic structural view of an anti-jamming support roller structure according to the present invention.
Fig. 2 is a schematic structural view in a left-side view direction of fig. 1.
Fig. 3 is an enlarged schematic view of a portion H shown in fig. 2.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and the attached drawings.
As shown in fig. 1, 2 and 3, the anti-jamming support roller structure includes: the supporting roll comprises two supporting seats 1, a supporting roll shaft 2 and a supporting roll body 3, wherein shaft ends on two sides of the supporting roll shaft 2 are respectively and fixedly installed on the two supporting seats 1 through a connecting mechanism, so that the supporting roll shaft 2 cannot rotate relative to the supporting seats 1, the supporting roll body 3 can be freely and rotatably sleeved outside the supporting roll shaft 2 relative to the supporting roll shaft 2 through two bearings 4, supporting roll end covers 5 are respectively sleeved on the supporting roll shafts 2 on two sides of the supporting roll body 3, and the supporting roll body 3 is in movable contact with the supporting roll end covers 5 on two sides for sealing;
in this embodiment, since the connection mechanism between each side shaft end of the supporting roller shaft 2 and the corresponding supporting seat 1 is the same, the following description will be given by taking only the connection mechanism between one side shaft end of the supporting roller shaft 2 and the corresponding supporting seat 1 as an example, and the connection mechanism between the shaft end of the supporting roller shaft 2 and the corresponding supporting seat 1 specifically includes: the top of the supporting seat 1 is provided with a U-shaped clamping groove 6, the shape of the shaft end of the supporting roller shaft 2 is just matched with that of the U-shaped clamping groove 6, so that when the shaft end of the supporting roller shaft 2 is embedded into the U-shaped clamping groove 6 of the supporting seat 1, the shaft end of the supporting roller shaft 2 cannot rotate relative to the supporting seat 1, the top of the supporting seat 1 is also provided with a pressing plate 7 for tightly pressing and fixing the supporting roller shaft 2 in the U-shaped clamping groove 6, and the pressing plate 7 is locked and fixed on the supporting seat 1; in this embodiment, the structure of the connection assembly includes: the connecting component is simple in structure and convenient to install and maintain;
in the embodiment, a roller body positioning retainer ring 10 for axially positioning the support roller body 3 is respectively sleeved on the support roller shaft 2 between each support roller end cover 5 and the corresponding side support seat 1, so that the axial movement of the support roller body 3 in the operation process can be better prevented, and the operation stability of the equipment is improved; in the embodiment, a plurality of rings of annular sealing grooves are arranged on the end surface of the supporting roller body 5 which is in contact with the supporting roller end cover 5, a plurality of rings of annular sealing check rings 11 are arranged on the supporting roller end cover 5, and the annular sealing check rings 11 of the supporting roller end cover 5 are just inserted into the annular sealing grooves on the end surface of the supporting roller body 3 in a one-to-one correspondence manner, so that labyrinth seals are formed between the end surface of the supporting roller body 3 and the corresponding side supporting roller end cover 5, the labyrinth seals can not only prevent external impurity garbage from entering a bearing area to influence a bearing, but also can be used as an exhaust passage of oil-gas lubrication in a corresponding bearing lubrication cavity due to labyrinth fit clearance between the supporting roller body and the supporting roller;
in this embodiment, the supporting roller body 3 is hollow, the two supporting roller end covers 5, the supporting roller body 3 and the supporting roller shaft 2 jointly enclose a cavity, two skeleton oil seals 12 sleeved on the supporting roller shaft 2 are arranged inside the supporting roller body 3, the cavity is divided into a water cooling cavity 13 located in the middle and bearing lubrication cavities 14 distributed on two sides of the water cooling cavity 13 by the two skeleton oil seals 12, the two bearings 4 are respectively installed in the two bearing lubrication cavities 14, a cooling water inlet 15 and a first bearing oil-gas lubrication port 16 are arranged on one side shaft end face of the supporting roller shaft 2, a cooling water outlet 17 and a second bearing oil-gas lubrication port 18 are arranged on the other side shaft end face, a water inlet channel 19 for communicating the cooling water inlet 15 with the water cooling cavity 13 and a water outlet channel 20 for communicating the cooling water outlet 17 with the water cooling cavity 13 are arranged in the supporting roller shaft 2, A first bearing oil-gas lubrication channel 21 for communicating the first bearing oil-gas lubrication port 16 with the bearing lubrication cavity 14 corresponding to the same side, and a second bearing oil-gas lubrication channel 22 for communicating the second bearing oil-gas lubrication port 18 with the bearing lubrication cavity 14 corresponding to the same side; in the embodiment, a bearing outer ring positioning retainer ring 23 for positioning the outer ring of the bearing 4 is arranged between each bearing 4 and the framework oil seal 12 corresponding to the same side, and a bearing inner ring positioning retainer ring 24 for positioning the inner ring of the bearing 4 is arranged on the support roller end cover 5 corresponding to the same side of each bearing 4; in the embodiment, the conveying end surface of the supporting roller body 3 is a concave groove with two high sides and a low middle part, so that the billet is conveniently guided and conveyed, the overall weight of the supporting roller body is reduced, and the production and use cost of enterprises is reduced;
during installation, the framework oil seal 12, the bearing outer ring positioning check ring 23 and the bearing 4 are sequentially installed in the supporting roller body 3, then the supporting roller shaft 2 penetrates through each bearing 4 and the supporting roller body 3, then the supporting roller end cover 5 and the shaft body positioning check ring 10 are respectively installed at each shaft end of the supporting roller shaft 2, then the shaft ends at two sides of the supporting roller shaft 2 are respectively clamped into the U-shaped clamping grooves 6 of the two supporting seats 1, and then the shaft ends of the supporting roller shaft 2 are respectively fixed in the corresponding supporting seats 1 by using the pressing plate 7, the connecting bolt 8 and the connecting nut 9, so that the assembly of the whole supporting roller is completed; in the process of guiding and conveying the steel slabs by the support roller, cooling water is sequentially introduced into the water cooling cavity 13 from the water inlet channel 19 of the cooling water inlet 15, and after cooling water in the water cooling cavity 13 is completely cooled and exchanges heat, the cooling water is sequentially discharged from the water outlet channel 20 and the cooling water outlet 17, so that the roller body of the support roller is cooled; meanwhile, lubricating oil gas can be introduced into the bearing lubricating cavity 14 on the left side from the first bearing oil gas lubricating port 16 and the first bearing oil gas lubricating channel 21, so that the bearing 4 arranged in the bearing lubricating cavity 14 is lubricated; similarly, the lubricating oil gas can be introduced into the bearing lubricating cavity 14 on the right side from the second bearing oil gas lubricating port 18 and the second bearing oil gas lubricating channel 22, so that the bearing 4 installed in the bearing lubricating cavity 14 is lubricated; when changing the installation, only need demolish clamp plate 7 on each supporting seat 1, just can directly take off old supporting roller 2 together with backing roller shaft 3, then go into the both sides axle head of the supporting roller 2 of the backing roller of newly-assembled respectively two U type draw-in grooves 6 of supporting seat 1, reuse clamp plate 7, connecting bolt 8 and coupling nut 9 will support 2 axle heads of roller and fix in corresponding supporting seat 1, the change of backing roller has been completely promptly, the repeated positioning accuracy is high, quick replacement has been realized.
The utility model has the advantages that: (1) when the supporting roller is replaced and installed, the supporting roller shaft and the supporting roller body can be directly replaced together only by detaching the pressing plate on the supporting seat, the repeated positioning precision is high, and the rapid replacement is realized; (2) the bearing is installed inside the back-up roll body to being movable clearance sealed between back-up roll body terminal surface and the corresponding back-up roll end cover, even the clearance is blockked up between back-up roll end cover and the supporting seat, also can not influencing the operation of back-up roll body, effectively prevent the back-up roll body because of the phenomenon emergence that the running clearance is blockked up and is blocked by cold steel, slag.
Claims (8)
1. An anti-jam back-up roll structure comprising: two supporting seats, supporting roller axle and backing roll body, its characterized in that: the supporting roll shaft is characterized in that shaft ends on two sides of the supporting roll shaft are respectively and fixedly installed on the two supporting seats through a connecting mechanism, so that the supporting roll shaft cannot rotate relative to the supporting seats, the supporting roll shaft is sleeved outside the supporting roll shaft through the two bearings in a free rotating mode, supporting roll end covers are respectively sleeved on the supporting roll shafts on two sides of the supporting roll shaft, and the supporting roll shaft and the supporting roll end covers on two sides are in movable contact sealing.
2. A jam-resistant back-up roll structure as claimed in claim 1, wherein: supporting roller axle head and correspond coupling mechanism between the supporting seat specifically include: be provided with U type draw-in groove at the top of supporting seat, the axle head shape of supporting roller just in time with U type draw-in groove looks adaptation, when guaranteeing the U type draw-in groove of the axle head embedding supporting seat of supporting roller, the supporting roller axle head can not take place to rotate relative to the supporting seat, still is provided with at the top of supporting seat to be used for compressing tightly the clamp plate of fixing in U type draw-in groove with the supporting roller, and the clamp plate passes through coupling assembling locking to be fixed on the supporting seat.
3. A jam-resistant back-up roll structure as claimed in claim 2, wherein: the structure of the connecting assembly comprises: the screw rod of the connecting bolt sequentially penetrates through the supporting seat and the pressing plate from bottom to top and then is in threaded connection with the connecting nut, and the connecting nut is screwed down to enable the pressing plate and the supporting seat to be locked and fixed.
4. A jam-resistant back-up roll structure as claimed in claim 2, wherein: and a roller body positioning retainer ring for axially positioning the roller body of the supporting roller is sleeved on the supporting roller shaft between each supporting roller end cover and the corresponding side supporting seat respectively.
5. A jam-resistant back-up roll structure as claimed in claim 1, wherein: the end face of the supporting roller body, which is in contact with the end cover of the supporting roller, is provided with a plurality of rings of annular sealing check rings, and the annular sealing check rings of the end cover of the supporting roller are just inserted into the annular sealing grooves on the end face of the supporting roller body one by one, so that labyrinth sealing is formed between the end face of the supporting roller body and the corresponding side supporting roller end cover.
6. A jam-resistant back-up roll structure as claimed in claim 1, wherein: the supporting roll comprises a supporting roll body, two supporting roll end covers, a cavity is formed by the supporting roll body and a supporting roll shaft in a surrounding mode, two framework oil seals sleeved on the supporting roll shaft are arranged inside the supporting roll body, the cavity is divided into a water-cooling cavity located in the middle and bearing lubricating cavities distributed on two sides of the water-cooling cavity by the two framework oil seals, the two bearings are installed in the two bearing lubricating cavities respectively, a cooling water inlet and a first bearing oil-gas lubricating port are formed in the end face of one side shaft end of the supporting roll shaft, a cooling water outlet and a second bearing oil-gas lubricating port are formed in the end face of the other side shaft end, a water inlet channel used for communicating the cooling water inlet with the water-cooling cavity and a water outlet channel used for communicating the cooling water outlet with the water-cooling cavity are formed in the supporting roll shaft, and the first bearing oil-gas lubricating channel used for communicating, And the second bearing oil-gas lubrication channel is used for communicating the second bearing oil-gas lubrication port with the bearing lubrication cavity corresponding to the same side.
7. An anti-jam back-up roll structure as claimed in claim 6, wherein: and a bearing outer ring positioning check ring for positioning the bearing outer ring is arranged between each bearing and the framework oil seal corresponding to the same side, and a bearing inner ring positioning check ring for positioning the bearing inner ring is arranged on the supporting roller end cover corresponding to the same side of each bearing.
8. A jam-resistant back-up roll structure as claimed in claim 1, wherein: the conveying end surface of the roller body of the supporting roller is provided with a concave groove with two high sides and a low middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889871.1U CN210450882U (en) | 2019-06-13 | 2019-06-13 | Anti-blocking supporting roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889871.1U CN210450882U (en) | 2019-06-13 | 2019-06-13 | Anti-blocking supporting roller structure |
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| Publication Number | Publication Date |
|---|---|
| CN210450882U true CN210450882U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920889871.1U Active CN210450882U (en) | 2019-06-13 | 2019-06-13 | Anti-blocking supporting roller structure |
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| CN (1) | CN210450882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227807A (en) * | 2019-06-13 | 2019-09-13 | 联峰钢铁（张家港）有限公司 | A kind of anti-block support roll structure |
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2019
- 2019-06-13 CN CN201920889871.1U patent/CN210450882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227807A (en) * | 2019-06-13 | 2019-09-13 | 联峰钢铁（张家港）有限公司 | A kind of anti-block support roll structure |
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