CN210080684U - Bearing seat of slab continuous casting roller - Google Patents

Abstract

The utility model provides a slab continuous casting roller bearing seat, which relates to the technical field of metallurgical mechanical equipment, and comprises a bearing seat body and two bearing transparent covers, wherein the bearing seat body is provided with a bearing mounting hole which runs through the bearing seat body, and the bearing mounting hole is used for mounting a continuous casting roller and a bearing; the two bearing transparent covers comprise a first bearing transparent cover and a second bearing transparent cover, and the first bearing transparent cover and the second bearing transparent cover are respectively arranged at two ends of the bearing mounting hole; the first bearing transparent cover is detachably and fixedly connected with the bearing seat body, and the second bearing transparent cover is integrally formed with the bearing seat body. Through the integrated into one piece setting of second bearing transparent cover and bearing frame body, increased the intensity of bearing frame, avoided because the restriction of assembly space can not increase the relatively poor problem of bearing frame rigidity that the bearing frame body leads to along the ascending thickness of slab continuous casting roller radial direction.

Description

Bearing seat of slab continuous casting roller

[ technical field ] A method for producing a semiconductor device

The utility model relates to a metallurgical machinery equipment technical field, concretely relates to slab continuous casting roller bearing frame.

[ background of the invention ]

The continuous casting technology for steel making is a production process for converting liquid molten steel into solid blanks with different shapes and sizes. Among the various continuous casting techniques, the slab continuous casting technique is the most complex and has a large equipment investment. The consumption of connecting rollers of key equipment for slab connection is large.

The annual output of the current carbon steel plate in China is about 7 hundred million tons, and the plate blank is the previous process for producing the plate. The consumption cost of the slab continuous casting roller is about 11 yuan/ton of slab, namely the consumption of the slab continuous casting roller is 70-80 million yuan per year in China. The key of reducing the production cost of the plate blank is to improve the manufacturing technology of the plate blank continuous casting roller and prolong the service life of the plate blank continuous casting roller, and the plate blank continuous casting roller is also the national policy of saving energy and reducing consumption.

Statistics according to off-line reasons for service failure of arc-shaped section and horizontal section continuous casting rollers of the slab continuous casting production line show that: the roll sleeve has large runout, bearing abrasion, bearing damage and the like, and accounts for 60-80% of the failed offline roll.

The data of the detection of the related components of the failed off-line plate blank continuous casting roller show that: the large runout of the roller sleeve, the bearing abrasion and the like have direct relation with the large deformation of the bearing seat. The deformation of the bearing seat causes the premature sealing failure of the sealing element, so that the water enters the bearing box, the lubricating grease fails, the bearing is abraded, and the jumping quantity of the roller sleeve is large, so that the whole roller cannot be in service.

In the prior art, the cross section of the bearing seat of the arc-shaped section and the horizontal section of the continuous casting roll of the slab continuous casting production line is small in the middle of the top wall of the bearing seat, the section is the weakest part of the section in the whole bearing seat structure, and the thickness of the section cannot be increased to improve the deformation resistance of the whole bearing seat due to the limitation of assembly relation and use conditions. The strength difference of the part resisting the deformation of the external force is a key factor causing the deformation of the whole bearing seat under the action of the external force, so that the deformation of a sealing element is caused, the sealing is invalid, the lubricating condition of the bearing is deteriorated, and the stress condition of the bearing is deteriorated until the bearing is damaged.

Therefore, it is necessary to manufacture a bearing seat of a slab continuous casting roller, which solves the problem that the bearing seat in the prior art is easy to deform, so that the bearing seat has a reliable working state in the service process, thereby avoiding the large runout of a roller sleeve and the abrasion of a bearing and prolonging the service life of the continuous casting roller.

[ Utility model ] content

The utility model aims to provide a: in order to overcome the defects in the prior art, the bearing seat of the slab continuous casting roller is provided to solve the problems of large roll sleeve jumping amount, bearing abrasion and short service life of the continuous casting roller caused by easy deformation of the bearing seat.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a slab continuous casting roller bearing seat comprises a bearing seat body and two bearing through covers, wherein a bearing mounting hole penetrating through the bearing seat body is formed in the bearing seat body, and the bearing mounting hole is used for mounting a slab continuous casting roller bearing; the two bearing transparent covers comprise a first bearing transparent cover and a second bearing transparent cover, and the first bearing transparent cover and the second bearing transparent cover are respectively arranged at two ends of the bearing mounting hole; the first bearing transparent cover is detachably and fixedly connected with the bearing seat body, and the second bearing transparent cover is integrally formed with the bearing seat body.

Further, the bearing seat body also comprises a first side wall, an arc-shaped top wall, a second side wall and a bottom wall which are integrally formed; the first side wall, the arc-shaped top wall, the second side wall and the bottom wall surround the bearing mounting hole in the radial direction; a cooling water tank which is sunken into the bearing seat body is arranged around the outer sides of the first side wall, the arc-shaped top wall and the second side wall, a water tank sealing plate is arranged at the top of the cooling water tank, and the water tank sealing plate is hermetically connected with the bearing seat body; the cooling water tank is internally provided with a water through hole communicated with the outside.

Further, the limbers runs through the bearing frame body and communicates with the diapire outside.

Further, the bearing through cover comprises a continuous casting roll through hole and a bearing cover part; the bearing cover part is annularly arranged around the through hole of the continuous casting roller, the through hole of the continuous casting roller penetrates through two sides of the bearing transparent cover, the edge of the bearing cover part is connected around the bearing mounting hole on the bearing seat body, and the bearing cover part is used for sealing the bearing; one side that bearing cap portion and bearing frame body are connected is equipped with annular seal installation groove, and seal installation groove is used for installing annular seal assembly.

Further, slab continuous casting roller bearing frame still includes annular seal assembly, and annular seal assembly includes skeleton oil blanket circle, the outer wall in close contact with of skeleton oil blanket circle and seal installation groove's inner wall, the inner wall of skeleton oil blanket circle be used for with continuous casting roller in close contact with.

Furthermore, the first bearing covers and the bearing seat body is provided with a threaded hole corresponding to one end connected with the first bearing cover, and the first bearing cover is fixedly connected with the bearing seat body through the threaded hole and a screw.

The utility model has the advantages that: the second bearing transparent cover and the bearing seat body are integrally formed, so that the strength of the bearing seat is increased, and the problem of poor rigidity of the bearing seat caused by the fact that the thickness of the bearing seat body in the radial direction of the slab continuous casting roller cannot be increased due to the limitation of an assembly space is solved; and, through the integrated into one piece setting of second bearing transparent cover and bearing frame body, need not to increase the thickness of bearing frame in the axial along slab continuous casting roller, under the condition that does not change traditional assembly space, increase substantially the intensity of bearing frame, slowed down the deformation of bearing frame by a wide margin to slow down bearing wear, the life of extension continuous casting roller.

[ description of the drawings ]

Fig. 1 is a schematic side view of a bearing seat according to an embodiment of the present invention;

FIG. 2 is an enlarged side view of the bearing seat body and the second bearing cap of the embodiment shown in FIG. 1;

fig. 3 is a schematic view of an overall structure of a bearing housing body and a second bearing transparent cover according to an embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of the bearing seat body and the second bearing transparent cover at another viewing angle according to an embodiment of the present invention;

fig. 5 is a schematic view of an internal structure of a bearing seat according to an embodiment of the present invention;

fig. 6 is a schematic bottom structure diagram of a bearing seat according to an embodiment of the present invention.

The labels in the figures are: 1. bearing frame body, 2, the bearing pass through the lid, 21, the first bearing pass through the lid, 22, the second bearing pass through the lid, 3, the bearing mounting hole, 4, continuous casting roller through-hole, 5, the bearing cap portion, 6, seal installation groove, 11, first lateral wall, 12, arc roof, 13, second lateral wall, 14, diapire, 15, cooling water tank, 16, water tank shrouding, 17, supporting part, 18, screw hole, 10, limbers.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, referring to fig. 1-4, a slab continuous casting roll bearing seat comprises a bearing seat body 1 and two bearing transparent covers 2, wherein a bearing mounting hole 3 penetrating through the bearing seat body 1 is formed in the bearing seat body 1, and the bearing mounting hole 3 is used for mounting a slab continuous casting roll bearing; the two bearing transparent covers 2 comprise a first bearing transparent cover 21 and a second bearing transparent cover 22, and the first bearing transparent cover 21 and the second bearing transparent cover 22 are respectively arranged at two ends of the bearing mounting hole 3; the first bearing transparent cover 21 is detachably and fixedly connected with the bearing seat body 1, and the second bearing transparent cover 22 is integrally formed with the bearing seat body 1.

The second bearing transparent cover 22 and the bearing seat body 1 are integrally formed, so that the strength of the bearing seat is increased, and the problem of poor rigidity of the bearing seat caused by the fact that the thickness of the bearing seat body 1 in the radial direction of the slab continuous casting roller cannot be increased due to the limitation of an assembly space is solved; and, through the integrated into one piece setting of second bearing transparent cover 22 and bearing frame body 1, need not to increase the thickness of bearing frame in the axial along slab continuous casting roller, under the condition that does not change traditional assembly space, improve the intensity of bearing frame by a wide margin, slowed down the deformation of bearing frame by a wide margin to slow down bearing wear, the life of extension continuous casting roller.

It should be noted that, the mounting positions of the first bearing transparent cover 21 and the second bearing transparent cover 22 can be interchanged, as long as one of the bearing transparent covers 2 is connected with one end of the bearing seat body 1 in an integrated manner, and the other bearing transparent cover 2 is detachably and fixedly connected with the other end of the bearing seat body 1, so that the requirements of mounting and dismounting the bearing and the slab continuous casting roll can be met while the strength of the bearing seat is increased.

Referring to fig. 2-6, in one embodiment, the bearing housing body 1 further includes a first side wall 11, an arcuate top wall 12, a second side wall 13, and a bottom wall 14 that are integrally formed; the first side wall 11, the arc-shaped top wall 12, the second side wall 13 and the bottom wall 14 surround the bearing mounting hole in the radial direction; a cooling water tank 15 which is sunken towards the inside of the bearing seat body is arranged on the outer wall surrounding the first side wall 11, the arc-shaped top wall 12 and the second side wall 13, a water tank sealing plate 16 is arranged at the top of the cooling water tank 15, and the water tank sealing plate 16 is hermetically connected with the bearing seat body 1; the cooling water tank 15 is provided with a water passage hole 10 communicating with the outside.

Through set up cooling water tank 15 on the outer wall at first lateral wall 11, arc roof 12 and second lateral wall 13 to through limbers 10 and outside intercommunication setting, supply cooling water from limbers 10 to cooling water tank 15, realize the cooling to the bearing frame in slab production process, guarantee the rigidity of bearing frame, slow down the deformation of bearing frame in the slab production process.

Referring to fig. 5 and 6, preferably, in one embodiment, the water passage hole 10 extends through the bearing housing body 1 and communicates with the outside of the bottom wall 14. Through the arrangement, circulating cooling water is supplied to the cooling water tank 15 on the bearing seat through the bottom of the bearing seat, so that the integral installation of workpieces such as the bearing seat is facilitated.

The number of the water passage holes 10 may be one or more. Preferably, two water passage holes 10 are provided, and extend through the bearing housing body 1 from positions in the cooling water tank 15 near the lower ends of the first side wall 11 and the second side wall 13, respectively, to communicate with the outside of the bottom wall 14. Through this arrangement, circulation of cooling water is facilitated.

Referring to fig. 1 and 2, in an embodiment, a support portion 17 with a preset length and a preset width is disposed at an arc top position of the arc top wall 12 in the cooling water tank 15, and the support portion 17 is used for supporting the water tank sealing plate 16; the width of the support portion 17 in the axial direction of the bearing mounting hole 3 is smaller than the width of the cooling water tank in the axial direction of the bearing mounting hole 3.

The arc top position through lieing in the arc roof in cooling water tank 15 sets up supporting part 17, has strengthened the support intensity of bearing frame arc top position, slows down the deformation of bearing frame in the slab production process. The width of the support portion 17 in the axial direction of the bearing mounting hole 3 is smaller than the width of the cooling water tank 15 in the axial direction of the bearing mounting hole to ensure that cooling water can flow between both ends of the cooling water tank 15.

Referring to FIG. 3, in one embodiment, the through bearing cover 2 includes a through casting roll bore 4 and a bearing cover portion 5; the bearing cover part 5 is annularly arranged around the continuous casting roll through hole 4, the continuous casting roll through hole 4 penetrates through two sides of the bearing transparent cover 2, the edge of the bearing cover part 5 is connected around the bearing mounting hole 3 on the bearing seat body 1, and the bearing cover part 5 is used for sealing the bearing; one side that bearing cap portion 5 and bearing frame body 1 are connected is equipped with annular seal mounting groove 6, and seal mounting groove 6 is used for installing annular seal assembly.

One side of the bearing seat body 1 covered by the bearing cover part 5 is provided with an annular sealing installation groove 6, and an annular sealing assembly is arranged in the sealing installation groove 6, so that the sealing of the plate blank continuous casting roller and the bearing installation in the bearing seat is realized.

Preferably, the slab continuous casting roller bearing seat further comprises an annular sealing assembly, the annular sealing assembly comprises a framework oil seal ring, the outer wall of the framework oil seal ring is in close contact with the inner wall of the sealing installation groove 6, and the inner wall of the framework oil seal ring is used for being in close contact with the continuous casting roller.

Through the arrangement, after the continuous casting roller is installed on the continuous casting roller through hole 4, the bearing cover part 5 on the bearing through cover 2 can be tightly attached to the outer surface of the continuous casting roller through the framework oil seal ring. In the embodiment, lubricating oil is coated on the part where the framework oil seal ring is arranged, so that the air tightness of the connection between the bearing transparent cover 2 and the continuous casting roller is further ensured.

In this embodiment, skeleton oil blanket includes skeleton oil blanket outer wall and skeleton oil blanket inner wall, and the inner wall that encircles skeleton oil blanket is equipped with the lip recess, and the lip recess is used for closely laminating continuous casting roller. Through the arrangement of the lip-shaped grooves on the inner wall of the framework oil seal ring, the framework oil seal ring is more tightly connected and attached with the slab continuous casting roller, and the sealing air tightness of the bearing seat is improved.

In this embodiment, the slab continuous casting roll bearing seat further comprises a ring-stacked sealing ring, the ring-stacked sealing ring is arranged in the continuous casting roll through hole 4, and the outer wall of the ring-stacked sealing ring is in close contact with the hole wall of the continuous casting roll through hole 4. And the sealing tightness of the bearing seat is further improved by arranging the ring-superposed sealing ring.

Referring to fig. 5, in an embodiment, the first bearing transparent cover 21 and one end of the bearing seat body 1 connected to the first bearing transparent cover 21 are respectively provided with a threaded hole 18, and the first bearing transparent cover 21 is fixedly connected to the bearing seat body 1 through the threaded hole 18 and a screw.

The first bearing transparent cover 21 is fixedly connected with the bearing seat body 1 through the threaded hole 18 and a screw, so that the first bearing transparent cover 21 and the bearing seat body 1 can be detachably fixed.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (6)

1. A slab continuous casting roller bearing seat is characterized by comprising a bearing seat body and two bearing through covers, wherein the bearing seat body is provided with a bearing mounting hole penetrating through the bearing seat body, and the bearing mounting hole is used for mounting a slab continuous casting roller bearing; the two bearing transparent covers comprise a first bearing transparent cover and a second bearing transparent cover, and the first bearing transparent cover and the second bearing transparent cover are respectively arranged at two ends of the bearing mounting hole; the first bearing transparent cover is detachably and fixedly connected with the bearing seat body, and the second bearing transparent cover is integrally formed with the bearing seat body.

2. The slab continuous casting roll chock of claim 1, wherein the chock body further comprises integrally formed first, arcuate top, second and bottom walls; the first side wall, the arc-shaped top wall, the second side wall and the bottom wall surround the bearing mounting hole in the radial direction; a cooling water tank which is sunken towards the inside of the bearing seat body is arranged around the outer sides of the first side wall, the arc-shaped top wall and the second side wall, a water tank sealing plate is arranged at the top of the cooling water tank, and the water tank sealing plate is connected with the bearing seat body in a sealing manner; and a water through hole communicated with the outside is formed in the cooling water tank.

3. The slab continuous casting roll chock of claim 2, wherein said water passage holes communicate through said chock body with the outside of said bottom wall.

4. The slab continuous casting roll chock of claim 1, wherein the through bearing cover comprises a continuous casting roll through bore and a bearing cover portion; the bearing cover part is arranged around the through hole of the continuous casting roller in a surrounding manner, the through hole of the continuous casting roller penetrates through two sides of the bearing through cover, the edge of the bearing cover part is connected to the bearing seat body, and the bearing cover part is used for sealing the bearing; one side that the bearing cap portion with this body coupling of bearing frame is equipped with annular sealed mounting groove, sealed mounting groove is used for installing annular seal assembly.

5. The slab continuous casting roll bearing pedestal of claim 4, characterized in that the slab continuous casting roll bearing pedestal further comprises an annular seal assembly, the annular seal assembly comprises a framework oil seal ring, the outer wall of the framework oil seal ring is in close contact with the inner wall of the seal installation groove, and the inner wall of the framework oil seal ring is used for being in close contact with the continuous casting roll.

6. The slab continuous casting roll bearing block according to claim 1, characterized in that threaded holes are respectively and correspondingly formed in the first bearing transparent cover and one end of the bearing block body connected with the first bearing transparent cover, and the first bearing transparent cover is fixedly connected with the bearing block body through the threaded holes and screws.

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