CN209124858U - A kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section - Google Patents

Abstract

The build-up welding continuous-casting Kun that the utility model discloses a kind of in steel-making continuous casting fan-shaped section, including roll shaft main body, it is mounted on multiple section rolls on the outside of roll shaft main body and the bearing block for installing stationary roller shaft main body, the outer surface of the roll shaft main body is provided with multiple sliding rails by center of circle distribution of the axis of roll shaft main body, the roll shaft main body offers apopore in multiple sliding rail intervals, the inside of the roll shaft main body offers cooling water feed track, the cooling water feed track is connected to the lower end of apopore, and the cooling water feed track is connected to the water inlet pipe that roll shaft main body one end is arranged, the outside that multiple section rolls are mounted on roll shaft main body by opening up central shaft hole, agreed with by opening up multiple first sliding grooves and the sliding rail of roll shaft main body outer surface the inside of the section rolls, between the two neighboring section rolls Connection sleeve is installed.The utility model structure is simple, can effectively extend the service life of device entirety.

Description

A kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section

Technical field

The utility model relates to conticaster part field, specially a kind of built-up welding in steel-making continuous casting fan-shaped section connects Cast Kun.

Background technique

Caster roll be for conveying and the component of rolling steel billet, usually by roll shaft and be mounted on the roll shaft two or Multiple section rolls compositions, and roller seat is also equipped between two neighboring section rolls.Roll shaft in the prior art uses cross section For cylindrical structure, it is provided with the cylindrical cavity for allowing roll shaft to pass through on section rolls, and make to adopt between section axis and roll shaft It is keyed with rectangle, so that being capable of secure fit realization synchronous rotation between section rolls and roll shaft.Since roll shaft is directly by moving Power device drive its rotate, and roll shaft be to the active force that section axis is applied transmitted by square key, so, it is desirable that square Shape key should have some strength, otherwise free axle can be made integrally to report because square key damages.

Existing Continuous Casting Rolls exist following insufficient:

1, in order to reinforce the intensity of its square key, be all made of the alloy material production of good mechanical property, increase manufacture at This；

2, for device in carrying out the course of work, outside can carry out cooling and heat dissipation, however device by spraying cooling water Outside and inside the temperature difference it is too big, cause device impaired serious, service life greatly shortens.

Utility model content

The build-up welding continuous-casting Kun that the purpose of this utility model is to provide a kind of in steel-making continuous casting fan-shaped section, on solving State the problem of proposing in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of in steel-making continuous casting fan-shaped section Build-up welding continuous-casting Kun, including roll shaft main body, the multiple section rolls being mounted on the outside of roll shaft main body and for installing stationary roller shaft master The outer surface of the bearing block of body, the roll shaft main body is provided with multiple sliding rails, institute by center of circle distribution of the axis of roll shaft main body It states roll shaft main body and offers apopore in multiple sliding rail intervals, it is defeated that the inside of the roll shaft main body offers cooling water It send, the cooling water feed track is connected to the lower end of apopore, and the cooling water feed track and roll shaft main body one end are arranged Water inlet pipe connection, the outside that multiple section rolls are mounted on roll shaft main body by opening up central shaft hole, the section rolls Inside agreed with by opening up multiple first sliding grooves and the sliding rail of roll shaft main body outer surface, the two neighboring section rolls it Between connection sleeve is installed, offer second sliding slot on the inside of the connection sleeve and agree with the sliding rail on the outside of roll shaft main body, institute The bearing block stated is mounted on the outside of connection sleeve.

Preferably, the internal diameter of the section rolls is greater than the outer diameter of roll shaft main body, and first sliding groove on the inside of the section rolls Depth is the half of sliding rail height.

Preferably, on the inside of the section rolls with form several gaps on the outside of roll shaft main body, the upper end of the apopore with The gap connection, and the single gap corresponds to several apopores.

Preferably, the roll shaft main body is provided with multiple limited bolts on the outside of sliding rail, and the limited bolt is pacified On the outside of the both ends end face of section axis.

Preferably, the outer surface of the section rolls is fixedly installed several cell cubes.

Compared with prior art, the utility model has the beneficial effects that

1, section rolls are by being mounted on the outside of roll shaft main body by the utility model, and will be between section rolls and roll shaft main body Agreed with by sliding rail and sliding slot, set the depth of sliding slot to the half of sliding rail height, makes to deposit between section rolls and roll shaft main body In gap, the apopore upper end that roll shaft main body opens up is connected to gap, passes through by the effective radiating rate for improving device entirety Water inlet pipe injects cooling water to the cooling water feed track of roll shaft body interior, is then discharged by apopore, to section rolls inside Quick cooling and heat dissipation is carried out, the temperature difference between section rolls outer surface and inside is reduced, to effectively improve section rolls Thermal fatigue resistance extends the service life of device entirety.

2, the utility model is by being arranged several sliding rails and sliding slot, by the connection between sliding rail and sliding slot, thus effectively Increase whole transmission portion stress point, guarantee that the transmission of device entirety is further set in the outer surface of section rolls Set several cell cubes, during the work time, guarantee section rolls normal work simultaneously, reduce its heating surface area.

Detailed description of the invention

Fig. 1 is a kind of build-up welding continuous-casting Kun overall structure diagram in steel-making continuous casting fan-shaped section of the utility model；

Fig. 2 is a kind of structural representation of the section rolls of the build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section of the utility model Figure；

Fig. 3 is a kind of section rolls of the build-up welding continuous-casting roller in steel-making continuous casting fan-shaped section of the utility model and roll shaft main body Connection schematic diagram；

Fig. 4 is a kind of external structure of the section rolls of the build-up welding continuous-casting roller in steel-making continuous casting fan-shaped section of the utility model Schematic diagram.

In figure: 1- roll shaft main body；2- section rolls；3- bearing block；4- sliding rail；5- apopore；6- cooling water feed track；7- into Water pipe；8- first sliding groove；9- connection sleeve；The gap 10-；11- cell cube.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of built-up welding in steel-making continuous casting fan-shaped section Continuous casting Kun including roll shaft main body 1, is mounted on multiple section rolls 2 in 1 outside of roll shaft main body and for installing stationary roller shaft main body The outer surface of 1 bearing block 3, the roll shaft main body 1 is provided with multiple sliding rails 4 by center of circle distribution of the axis of roll shaft main body 1, The roll shaft main body 1 offers apopore 5 in multiple 4 intervals of sliding rail, and the inside of the roll shaft main body 1 offers cold But water feed track 6, the cooling water feed track 6 are connected to the lower end of apopore 5, and the cooling water feed track 6 and roll shaft master The water inlet pipe 7 of 1 one end of body setting is connected to, and multiple section rolls 2 are mounted on the outer of roll shaft main body 1 by opening up central shaft hole Portion, the inside of the section rolls 2 is agreed with by opening up multiple first sliding grooves 8 and the sliding rail 4 of 1 outer surface of roll shaft main body, adjacent Connection sleeve 9 is installed, the inside of the connection sleeve 9 offers second sliding slot and roll shaft between section rolls 2 described in two The sliding rail 4 in 1 outside of main body agrees with, and the bearing block 3 is mounted on the outside of connection sleeve 9.

The internal diameter of the section rolls 2 is greater than the outer diameter of roll shaft main body 1, and the depth of 2 inside first sliding groove 8 of the section rolls For the half of 4 height of sliding rail, make between section rolls 2 and roll shaft main body 1 that there are certain cooling spaces；2 inside of section rolls With several gaps 10 are formed on the outside of roll shaft main body 1, the upper end of the apopore 5 is connected to the gap 10, and single institute The corresponding several apopores 5 in gap 10 are stated, cooling water are discharged by apopore 5, to integrally carry out rapid cooling to device；It is described Roll shaft main body 1 is provided with multiple limited bolts in the outside of sliding rail 4, and the limited bolt is mounted on the both ends end of section axis On the outside of face, the position of section rolls 2 is effectively limited；The outer surface of the section rolls 2 is fixedly installed several units Body 11, guarantee section rolls 2 normal work simultaneously, reduce its heating surface area.

Working principle: by device integral installation at fan-shaped section, due to passing through sliding rail 4 between roll shaft main body 1 and section rolls 2 Agree with first sliding groove 8, and sliding rail 4 be provided with first sliding groove 8 it is multiple, thus by increase shape key volume, effectively Guarantee transmission, extends the service life of device entirety, simultaneously as there are several gaps between section rolls 2 and roll shaft main body 1 10, it during the work time, can quickly and effectively radiate, further, by the water inlet pipe 7 of 1 one end of roll shaft main body and outside The cooling water tank in portion is connected to, and injects cooling water to the cooling water feed track 6 inside roll shaft main body 1 by water inlet pipe 7, cooling water is most Entered in gap 10 by apopore 5 eventually, and flowed out from 2 end of the section rolls in gap 10, so that radiating rate is improved, by subtracting The temperature difference between 2 inside of away minor segment roller and outer surface, the effective thermal fatigue resistance for improving section rolls 2.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section, including roll shaft main body (1), it is mounted on roll shaft main body (1) Multiple section rolls (2) in outside and bearing block (3) for installing stationary roller shaft main body (1), it is characterised in that: the roll shaft The outer surface of main body (1) is provided with multiple sliding rails (4) by center of circle distribution of the axis of roll shaft main body (1), the roll shaft main body (1) it is offered apopore (5) in multiple described sliding rail (4) intervals, the inside of the roll shaft main body (1) offers cooling water Feed track (6), the cooling water feed track (6) is connected to the lower end of apopore (5), and the cooling water feed track (6) and roller Water inlet pipe (7) connection of shaft body (1) one end setting, multiple section rolls (2) are mounted on roller by opening up central shaft hole The outside of shaft body (1), the inside of the section rolls (2) is by opening up table on the outside of multiple first sliding grooves (8) and roll shaft main body (1) The sliding rail (4) in face agrees with, and is equipped with connection sleeve (9), the connection sleeve (9) between the two neighboring section rolls (2) Inside offer second sliding slot and agree with the sliding rail (4) on the outside of roll shaft main body (1), the bearing block (3) is mounted on connection The outside of sleeve (9).

2. a kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section according to claim 1, it is characterised in that: described The internal diameter of section rolls (2) is greater than the outer diameter of roll shaft main body (1), and the depth of first sliding groove (8) is to slide on the inside of the section rolls (2) The half of rail (4) height.

3. a kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section according to claim 1, it is characterised in that: described On the inside of section rolls (2) with form several gaps (10) on the outside of roll shaft main body (1), the upper end of the apopore (5) and described Gap (10) connection, and the corresponding several apopores (5) of the single gap (10).

4. a kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section according to claim 1, it is characterised in that: described Roll shaft main body (1) is provided with multiple limited bolts on the outside of sliding rail (4), and the limited bolt is mounted on the two of section axis It holds on the outside of end face.

5. a kind of build-up welding continuous-casting Kun in steel-making continuous casting fan-shaped section according to claim 1, it is characterised in that: described The outer surface of section rolls (2) is fixedly installed several cell cubes (11).