CN216421024U

CN216421024U - Supporting structure for mounting continuous casting roller

Info

Publication number: CN216421024U
Application number: CN202122608303.XU
Authority: CN
Inventors: 田刚; 孙业青; 傅昊; 孟网网; 毛皓若
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-03
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a supporting structure for installing a continuous casting roller, which comprises a bearing block, wherein a bearing seat is arranged above the bearing block, the bearing block is fixedly connected with the bearing seat through a bolt, a cushion block is arranged at the joint of the bearing block and the bearing seat, and the height of the cushion block is set according to the requirement of the continuous casting roller; the top of the bearing seat block is provided with a groove with a fillet, the bottom of the groove is filled with a corrosion-resistant surfacing layer, and the cushion block is placed in the groove and on the surface of the surfacing layer; the cushion block is used for installing a sealing element at the same time, and cooling water is prevented from entering the supporting structure from the connecting position between the bearing seat block and the bearing seat. The utility model discloses bearing structure only needs to improve through current structure, can improve bearing structure's corrosion resisting property, under the condition that does not increase the fund input by a wide margin again, has obviously prolonged the use of continuous casting roller, for manufacturing enterprise's saving the cost, has very strong practicality, convenient to popularize and use.

Description

Supporting structure for mounting continuous casting roller

Technical Field

The utility model belongs to the technical field of metallurgical equipment, concretely relates to a bearing structure for installing continuous casting roller.

Background

Metal products cannot be separated in industrial production and daily life. The process of extracting metals and metal compounds from ores and then forming metallic materials with a certain set of properties by various methods is generally referred to as metallurgy. Common metallurgical methods generally include smelting, casting, rolling, and the like. The casting is a method of casting liquid metal into a casting cavity corresponding to the shape of the part, and cooling and solidifying the liquid metal to obtain the part or a blank. In the production of steel and the like, a common casting method is continuous casting, i.e., molten steel is continuously passed through a water-cooled mold, is solidified into a hard shell, is continuously pulled out from an outlet below the mold, is cooled by water spray, is completely solidified, and is cut into billets.

The continuous casting roll is used as a core component of a continuous casting machine, and the continuous casting roll mainly has the functions of a solidification container, casting blank bending and straightening, driving and conveying of the solidified casting blank and the like in the casting blank production process of the continuous casting machine. In the prior art, the continuous casting roll is arranged on a bearing seat through bearings at two ends, the bearing seat is fixed at the upper part of a carbon steel bearing seat block, and the continuous casting roll and the bearing seat bearing combination at the two ends are in a heavy-load and high-temperature state in work, so that cooling water is needed for cooling, and the practical problem is that the whole bearing seat and the continuous casting roll are in a water spraying environment; in addition, the water through holes penetrating through the bearing seat and the inside of the bearing seat block cause water leakage at the joint due to reasons of seal aging and the like, and the carbon steel bearing seat block positioned at the bottom is easily corroded due to the factors, so that the service life of the continuous casting roll is influenced.

In view of the above, the present inventors propose a support structure for mounting a continuous casting roll that overcomes the drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the above disadvantages of the prior art, and provides a supporting structure for mounting a continuous casting roll, which on one hand improves the corrosion resistance of the supporting structure and prolongs the service life of the continuous casting roll by disposing a surfacing layer with certain hardness and corrosion resistance on a bearing block; on the other hand, the connecting cushion block is arranged between the bearing seat block and the bearing seat, so that a sealing element is conveniently arranged between the water through hole and the bearing seat block, the phenomenon that cooling water flows into the joint of the bearing seat block and the bearing seat block to corrode is prevented, and the height of the continuous casting roll can be adjusted.

The utility model aims at solving through the following technical scheme:

a supporting structure for mounting a continuous casting roller comprises a bearing seat block, wherein a bearing seat is arranged above the bearing seat block, the bearing seat block is fixedly connected with the bearing seat through a bolt, a cushion block is arranged at the joint of the bearing seat block and the bearing seat, and the height of the cushion block is set according to the requirement of mounting the continuous casting roller;

the top of the bearing seat block is provided with a groove, the bottom of the groove is filled with an anti-corrosion surfacing layer, and the cushion block is placed in the groove and on the surface of the surfacing layer.

Furthermore, the joint of the two sides inside the groove is provided with the same round corners, the round corners are arranged by taking the right-angle points of the groove as the circle center, and the fusion performance with the bearing seat block is increased when the round corners are used for welding the surfacing layer.

Furthermore, the radius range of the fillet is 2.5-3.5 mm, and the height range of the surfacing layer is 1.5-2.5 mm.

Furthermore, the material of the surfacing layer is stainless steel.

Furthermore, the upper edges of the baffles on the two sides are positioned between the upper part of the preset surfacing layer and the top surface of the bearing seat block, and are clamped by a clamping tool when in use.

Further, the clamping tool is a C-clamp.

Furthermore, the supporting structure is symmetrically provided with water through holes penetrating through the bearing block, the cushion block and the bearing block by taking the vertical surface as a center, the water through holes are positioned between the joints of the cushion block and the bearing block and are provided with a lining with a hollow structure, annular grooves are respectively formed in the outer wall of the lining and the upper part and the lower part of the joints of the cushion block and the bearing block, and a first O-shaped rubber sealing ring is arranged in each annular groove;

the outer diameter of the inner lining is larger than the inner diameter of the water through hole.

And furthermore, step holes are formed in the tops of the cushion blocks and located at the positions of the water through holes, second O-shaped rubber sealing rings are mounted on step surfaces of the step holes, and the second O-shaped rubber sealing rings are used for sealing the joints of the cushion blocks and the bearing seats.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a bearing structure for installing continuous casting roller, this bearing structure through improving current structure on the basis that does not destroy current structure, not increase the fund input by a wide margin, has prolonged the life of continuous casting roller. The method specifically comprises the following two measures: firstly, the bearing block is improved, and a corrosion-resistant stainless steel overlaying layer is arranged in a groove in the top of the bearing block, so that the corrosion resistance of the bearing block is improved to adapt to a water spraying operation environment; and secondly, the cushion block is arranged between the bearing seat block and the bearing seat, the purpose of the cushion block is to facilitate the installation of a sealing element, prevent cooling water from entering the corrosion supporting structure from the joint, and simultaneously adjust the height of the continuous casting roll according to the installation requirement.

2. The utility model relates to a supporting structure for installing continuous casting roller, when setting up the surfacing layer, change the right angle of recess both sides into the fillet, so the solder just can get into the inside of bearing block piece, namely solder and bearing block form alternately, increased the fusibility of surfacing layer and bearing block piece, avoid poor emergence of phenomenon such as crackle and surfacing layer drop; in addition, in the process of forming the surfacing layer, the detachable ceramic baffle plates are attached to the surfaces of the bearing block and positioned on two sides outside the grooves, and the baffle plates are clamped by the C-shaped clamps, so that the metal solution of the surfacing welding wire can be well blocked, the surfacing layer forms a complete metal melt in an ideal range, the formation of a flange on the outer edge of the groove is avoided, and the secondary processing is avoided while the welding flux is saved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic view of the overall structure of a support structure for mounting a continuous casting roll according to the present invention;

FIG. 2 is a schematic structural view of the bearing block of the present invention with a groove;

FIG. 3 is a schematic view of a build-up layer disposed on the substrate of FIG. 2;

FIG. 4 is a schematic view of a finish machining of the weld overlay of the arrangement of FIG. 3;

fig. 5 is a schematic structural view of a baffle and a C-shaped clamp used when the build-up layer is disposed according to the present invention.

Wherein: 1 is a bearing block; 2 is a bearing seat; 3 is a bolt; 4 is a cushion block; 5 is a limber hole; 6 is a lining; 11 is a groove; 12 is a surfacing layer; 13 is a baffle plate; 14 is a clamping tool; 41 is a step hole; 42 is a second O-shaped rubber sealing ring; 61 is a ring groove; 62 is a first O-shaped rubber sealing ring; 111 are rounded corners.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

As shown in fig. 1-5, the utility model provides a bearing structure for installing continuous casting roller, including bearing frame piece 1, the top of bearing frame piece 1 is provided with bearing frame 2, and threaded hole is seted up to the bilateral symmetry of bearing frame 2, has seted up corresponding through-hole on the bearing frame piece 1 that corresponds, bolt 3 pass behind the through-hole of bearing frame piece 1 with bearing frame 2 on screw hole fixed connection, and bearing frame piece 1 is provided with cushion 4 with bearing frame 2 junction, during the in-service use, cushion 4 chooses for use to have certain hardness (hardness requirement comes from the pressure needs of steel billet to the bearing frame) and corrosion-resistant material preparation, cushion 4 highly can set for according to the demand of installation continuous casting roller in addition.

Specifically, a groove 11 is formed in the top of the bearing block 1 in the supporting structure, a corrosion-resistant surfacing layer 12 is filled at the bottom of the groove 11, preferably, the surfacing layer 12 is made of stainless steel, and the cushion block 4 is placed in the groove 11 and on the surface of the surfacing layer 12. By arranging the surfacing layer 12 on the top of the bearing block 1, the possibility that cooling water enters the groove 11 to quickly corrode the carbon steel bearing block 1 in a water spraying operation environment is avoided, and the service life of the continuous casting roll is indirectly prolonged.

Because the surfacing layer 12 is subsequently welded in the groove 11, and the surfacing layer 12 and the groove are made of different materials, the surfacing layer 12 and the bearing block 1 are not easy to fuse, and the surfacing layer 12 is easy to fall off, crack and the like for a long time, so that the anti-corrosion effect is lost. In order to solve the problem, the utility model discloses as shown in fig. 2 ~ 4, join the punishment and do not be provided with the same fillet 111 in the inside both sides of recess 11, fillet 111 uses recess 11 right angle (vertical limit and bottom horizontal limit junction) point to set up as the centre of a circle, and the bottom setting of recess 11 is rough surface, increases the cohesiveness with surfacing layer 12. Through the above arrangement, when the surfacing layer 12 is welded, the solder enters the inside of the bearing block 1 through the fillet 111, namely, the surfacing layer 12 is crossed with the bearing block 1, so that the fusion between the surfacing layer 12 and the bearing block 1 is increased, and the surfacing layer 12 is firmly arranged in the groove 11 at the top of the bearing block 1.

Since the weld overlay 12 after initial welding has a rugged surface as shown in fig. 3 to ensure the stability of the support structure, it is necessary to perform a fine machining process, as shown in fig. 4. In consideration of the cost of solder and the operation time, the radius of the fillet 111 is generally set to 2.5 to 3.5mm, and the height of the build-up layer 12 after finish machining is set to 1.5 to 2.5 mm.

As shown in fig. 3 and 5, in the present embodiment, when the build-up welding layer 12 is disposed, the detachable baffles 13 are attached to the two sides of the surface of the bearing block 1 and outside the groove 11, and when the baffles 13 are used for welding the build-up welding layer 12, the metal melt generated by the welding wire is prevented from forming a beading on the outer edge of the groove 11, so that the welding wire is prevented from being wasted and the secondary processing is avoided. Preferably, the baffle 13 should be made of a material that is not adhesive to solder, such as ceramic. During the in-service use, the going up of both sides baffle 13 all is located predetermine between surfacing layer 12 upper portion and the bearing block 1 top surface (be used for reserving sufficient space for welding tool, the intracavity circumstances of being convenient for observe in addition), and presss from both sides tightly through clamping tool 14, treats that surfacing layer 12 accomplishes and cools off to the normal atmospheric temperature after, demolishs clamping tool 14 and both sides baffle 13, and the finish machining is to predetermineeing the size again can. Preferably, the clamping tool 14 is a C-clamp, which is commonly available in the market and is convenient to purchase and operate. Through the matching use of the C-shaped clamp and the baffle 13, the solder melt can flow in a closed cavity formed by the groove 11 and the baffle 13, so that the formed surfacing layer is relatively neat and is convenient for post-finishing.

As shown in fig. 1, the supporting structure of the present invention is symmetrically provided with a water hole 5 penetrating through the bearing seat 2, the cushion block 4 and the bearing seat block 1 by using a vertical surface as a center, the water hole 5 is located between the joints of the cushion block 4 and the bearing seat block 1 and is provided with a lining 6 having a hollow structure, the upper and lower parts of the joints of the cushion block 4 and the bearing seat block 1 on the outer wall of the lining 6 are respectively provided with annular grooves 61, and each annular groove 61 is internally provided with a first O-shaped rubber sealing ring 62; the sealing between the cushion block 4 and the bearing block 1 is realized by the lining 6 and two first O-shaped rubber sealing rings 62. Wherein, the external diameter of inside lining 6 is greater than the internal diameter of limbers 5, need set up the hole that holds inside lining 6 respectively on cushion 4 and bearing block piece 1 promptly, hole and inside lining 6 clearance fit, install behind ring channel 61 when first O type rubber seal 62, the hole and the inside lining 6 interference fit after having installed first O type rubber seal 62, first O type rubber seal 62 is in all the time by the extrusion state like this to isolated cooling water, the lower extreme all is provided with the chamfer on inside lining 6 in addition, and the cooling water of being convenient for passes through the junction smoothly. In addition, a step hole 41 is formed in the top of the cushion block 4 and located at the water through hole 5, a second O-shaped rubber sealing ring 41 is installed on the step surface of the step hole 41, and the second O-shaped rubber sealing ring 42 is used for sealing the joint of the cushion block 4 and the bearing seat 2. By means of the above sealing elements, the possibility of cooling water in the through-holes 5 entering the support structure from the joint is prevented, thereby further prolonging the service life of the continuous casting roll.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The supporting structure for mounting the continuous casting roller is characterized by comprising a bearing block (1), wherein a bearing seat (2) is arranged above the bearing block (1), the bearing block (1) is fixedly connected with the bearing seat (2) through a bolt (3), a cushion block (4) is arranged at the joint of the bearing block (1) and the bearing seat (2), and the height of the cushion block (4) is set according to the requirement of mounting the continuous casting roller;

the top of the bearing seat block (1) is provided with a groove (11), the bottom of the groove (11) is filled with an anti-corrosion surfacing layer (12), and the cushion block (4) is placed in the groove (11) and on the surface of the surfacing layer (12).

2. The supporting structure for mounting the continuous casting roll according to claim 1, characterized in that the same fillets (111) are respectively arranged at the joints of two sides inside the groove (11), the fillets (111) are arranged by taking the right-angled point of the groove (11) as the center of a circle, and the fillets (111) are used for increasing the fusion with the bearing block (1) when the overlaying layer (12) is welded.

3. A support structure for mounting a continuous casting roll according to claim 2, characterized in that the radius of the fillet (111) is in the range of 2.5-3.5 mm and the height of the weld overlay (12) is in the range of 1.5-2.5 mm.

4. A support structure for mounting a continuous casting roll according to claim 1, characterized in that the weld overlay (12) is stainless steel.

5. The supporting structure for mounting the continuous casting roll according to claim 1, characterized in that the bearing block (1) is provided with detachable baffles (13) on the surface and on both sides of the outside of the groove (11), and the baffles (13) are used for preventing the metal solution generated by the welding wire from forming a beading on the outer edge of the groove (11) when the overlaying layer (12) is welded.

6. A support structure for mounting casting rolls according to claim 5, characterized in that the baffles (13) are made of ceramic.

7. A support structure for mounting a continuous casting roll according to claim 5, characterized in that the upper edges of the dams (13) on both sides are located between the upper part of the weld overlay (12) and the top surface of the block (1) and are clamped, in use, by clamping means (14).

8. A support structure for mounting continuous casting rolls according to claim 7, characterized in that the gripping means (14) are C-clamps.

9. The support structure for mounting the continuous casting roller according to claim 1, wherein the support structure is symmetrically provided with water through holes (5) penetrating through the bearing seat (2), the cushion block (4) and the bearing seat block (1) by taking a vertical surface as a center, the water through holes (5) are positioned between the joints of the cushion block (4) and the bearing seat block (1) and are provided with a lining (6) with a hollow structure, annular grooves (61) are respectively formed in the upper part and the lower part of the outer wall of the lining (6) and positioned at the joints of the cushion block (4) and the bearing seat block (1), and a first O-shaped rubber sealing ring (62) is mounted in each annular groove (61);

the outer diameter of the lining (6) is larger than the inner diameter of the water through hole (5).

10. The support structure for mounting the continuous casting roll according to claim 9, characterized in that a stepped hole (41) is formed at the top of the cushion block (4) and at the position of the water through hole (5), a second O-shaped rubber sealing ring (42) is mounted on the stepped surface of the stepped hole (41), and the second O-shaped rubber sealing ring (42) is used for sealing the joint of the cushion block (4) and the bearing seat (2).