CN216828561U

CN216828561U - Swing chute base shaft structure of billet caster

Info

Publication number: CN216828561U
Application number: CN202220200924.6U
Authority: CN
Inventors: 李波; 林真; 郑原首; 许英华
Original assignee: Fujian Sangang Minguang Co Ltd; Fujian Sangang Group Co Ltd
Current assignee: Fujian Sangang Minguang Co Ltd; Fujian Sangang Group Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-28
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to a molten steel continuous casting technical field, and disclose a square billet caster swing chute base axial construction, including well package car chute base and swing chute, the swing chute is located the top setting of well package car chute base, and the top of well package car chute base is equipped with the base axle, the lower extreme fixedly connected with ring flange of base axle, the lateral wall lower extreme of ring flange and the upper end welded fastening of well package car chute base, the lower lateral wall fixedly connected with axle sleeve of swing chute, the inner wall lower extreme of axle sleeve passes through the bearing and is connected with the rotation of the axle wall of base axle. The utility model discloses an increase the contact surface of base axle and well packet car chute base, can reduce the atress of base axle solder joint to the axle sleeve terminal surface and the welding seam friction of having avoided the swing chute, greatly reduced the probability that the base axle drops.

Description

Swing chute base shaft structure of billet caster

Technical Field

The utility model relates to a molten steel continuous casting technical field especially relates to a square billet caster swing chute base axle construction.

Background

The swing launder is an emergency accident treatment device for continuous casting square billets, and molten steel is guided to the overflow launder by using the swing launder during accident treatment, so that the molten steel is prevented from damaging equipment such as a crystallizer and a vibrating table. The chute base shaft is welded on the chute base of the tundish car, and the shaft sleeve of the swing chute is sleeved on the chute base shaft and rotates through the connection of the shaft and the sleeve.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the Chinese patent publication No. CN201208645Y discloses an upper launder base structure of a ladle car in a billet continuous casting machine, and relates to a molten steel continuous casting device, the upper launder base structure comprises a base, a cylindrical boss on the base, a launder and a hollow cylindrical sleeve at the bottom of the launder, the launder base is arranged on a base platform fixed on the outer side of a lower beam of the ladle car, and the plane is as high as the upper surface of the lower beam; this patent possesses the parallel outward movement of chute base and fixes, the supporting point that makes this base upper bracket and chute is located outside the bottom end rail, it is between the roof beam about making the chute be located, the oblique end changes, the space increase, the advantage of the skew angle change of being convenient for, but swing chute material is the steel member, inside refractory material is equipped with, chute body adds molten steel weight heavier, can produce great effort to the bearing when the chute swings, because swing chute base axle is little with the base face of weld, and rub the welding seam easily when the chute axle sleeve is rotatory, swing chute base axle welding spot often drops, influence production safety and antegrade, therefore, a square billet caster swing chute base axial construction is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art swing chute material and being the steel member, inside is equipped with refractory material, and the chute body adds molten steel weight heavier, can produce great effort to the bearing when the chute swings, because swing chute base axle is little with the base face of weld, and rubs the welding seam easily when the chute axle sleeve is rotatory, swing chute base axle solder joint often drops, influences the problem of production safety and direct motion, and the square billet caster swing chute base axle construction that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a square billet conticaster swing chute base axial structure, includes well package car chute base and swing chute, the swing chute is located the top setting of well package car chute base, the top of well package car chute base is equipped with the base axle, the lower extreme fixedly connected with ring flange of base axle, the lateral wall lower extreme of ring flange and the upper end welded fastening of well package car chute base, the lower lateral wall fixedly connected with axle sleeve of swing chute, the inner wall lower extreme of axle sleeve passes through the bearing and is connected with the rotation of the axle wall of base axle.

Preferably, the upper end of the flange plate is in threaded connection with a plurality of reinforcing bolts, and the rod wall of each reinforcing bolt is in threaded connection with the upper end of the tundish runner groove base.

Preferably, the edge of the lower end of the side wall of the flange is provided with an obliquely arranged welding cut-open.

Preferably, the tundish car launder base is composed of an upper end plate, a lower end plate and two side plates, and the two side plates are respectively positioned between the upper end plate and the lower end plate and fixedly arranged on the left side and the right side.

Preferably, an obliquely arranged reinforcing beam is fixedly welded between the side wall of the lower end plate and the side wall of the upper end plate, and the reinforcing beam is arranged below the base shaft.

Preferably, the base shaft and the flange are integrally formed.

Compared with the prior art, the utility model provides a square billet conticaster swing chute base axial construction possesses following beneficial effect:

1. this square billet caster swing chute base axial construction, through the well package car chute base that is equipped with, swing chute, base axle, ring flange and axle sleeve mutually support, can change traditional cylinder type base axle into the protruding type whole axle of flanged, through the contact surface that increases base axle and well package car chute base, can reduce the atress of base axle solder joint to the axle sleeve terminal surface and the welding seam friction in swing chute have been avoided, greatly reduced the probability that the base axle drops.

2. This square billet caster swing chute base axle construction through a plurality of reinforcing bolts that are equipped with, can be under ring flange and well packet car chute base welded condition, carry out supplementary fixed to the ring flange, and fixed before the welding, can advance line location and stable welding to the base axle, improve the equipment convenience.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses an increase the contact surface of base axle and well packet car flow tank base, can reduce the atress of base axle solder joint to the axle sleeve terminal surface and the welding seam friction of having avoided the swing chute, greatly reduced the probability that the base axle drops.

Drawings

Fig. 1 is a schematic structural view of a swing launder base shaft structure of a billet caster according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the runner comprises a runner base 1, an upper end plate 101, a lower end plate 102, a side plate 103, a swinging runner 2, a base shaft 3, a flange plate 4, a shaft sleeve 5, a reinforcing bolt 6, a welded opening 7 and a reinforcing beam 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, a swing launder base shaft structure of a billet caster comprises a tundish car launder base 1 and a swing launder 2, wherein the swing launder 2 is arranged above the tundish car launder base 1, the tundish car launder base 1 is composed of an upper end plate 101, a lower end plate 102 and two side plates 103, the two side plates 103 are respectively arranged between the upper end plate 101 and the lower end plate 102 and fixedly arranged on the left and right sides, and the connecting positions between the upper end plate 101, the lower end plate 102 and the two side plates 103 are fixed by welding.

Well package car chute base 1's top is equipped with base axle 3, and the lower extreme fixedly connected with ring flange 4 of base axle 3, and base axle 3 and ring flange 4 are as an organic whole and are made, can simplify the equipment process, improve the stability of being connected between base axle 3 and the ring flange 4.

The lateral wall lower extreme of ring flange 4 and well package circulation groove base 1's upper end welded fastening, the welding cut-out 7 that the slope set up is seted up to the lateral wall lower extreme edges and corners department of ring flange 4, can increase the area of contact of ring flange 4 bottom and welding material through welding cut-out 7, improves welded stability.

The lower side wall fixedly connected with axle sleeve 5 of swing chute 2, the inner wall lower extreme of axle sleeve 5 passes through the bearing and is connected with the axial wall rotation of base axle 3.

The upper end of the flange plate 4 is in threaded connection with a plurality of reinforcing bolts 6, the rod wall of each reinforcing bolt 6 is in threaded connection with the upper end of the tundish runner base 1, and the connecting strength of the flange plate 4 can be further enhanced on the basis of welding through the plurality of reinforcing bolts 6.

The stiffening beam 8 that has the slope to set up is fixed the welding jointly between the lateral wall of lower plate 102 and the lateral wall of up end 101, and the stiffening beam 8 is located the below setting of base axle 3, can improve the bulk strength of tundish car launder base 1, strengthens the support intensity to base axle 3.

The utility model discloses in, during the use, swing chute 2 can be about 3 swings of base axle through axle sleeve 5 and bearing, and ring flange 4 can increase base axle 3 and well package car chute base 1's area of contact to can reduce the atress of 3 solder joints of base axle, and can make axle sleeve 5 stagger with the welding point, thereby can avoid the axle sleeve terminal surface and the welding seam friction of swing chute 2, greatly reduced the probability that base axle 3 drops.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a square billet caster swing chute base axle construction, includes well package car chute base (1) and swing chute (2), its characterized in that, the top setting of package car chute base (1) in swing chute (2) are located, the top of well package car chute base (1) is equipped with base axle (3), the lower extreme fixedly connected with ring flange (4) of base axle (3), the upper end welded fastening of the lateral wall lower extreme of ring flange (4) and well package car chute base (1), the lower lateral wall fixedly connected with axle sleeve (5) of swing chute (2), the inner wall lower extreme of axle sleeve (5) passes through the bearing and is connected with the axle wall rotation of base axle (3).

2. The oscillating launder base shaft structure of billet caster according to claim 1, characterized in that the upper end of said flange (4) is screwed with a plurality of reinforcing bolts (6), the rod wall of each of said reinforcing bolts (6) being screwed with the upper end of tundish car launder base (1).

3. The swing launder base shaft structure of billet caster according to claim 1 characterized in that the lower edge of the side wall of the flange (4) is provided with an obliquely arranged welding cut (7).

4. The swing launder base shaft structure of billet caster according to claim 1 characterized in that, the tundish car launder base (1) is composed of an upper end plate (101), a lower end plate (102) and two side plates (103), the two side plates (103) are respectively located between the upper end plate (101) and the lower end plate (102) and are fixedly arranged on the left and right sides.

5. The billet caster swinging launder base shaft structure according to claim 4, characterized in that an obliquely arranged reinforcing beam (8) is fixedly welded between the side wall of the lower end plate (102) and the side wall of the upper end plate (101), and the reinforcing beam (8) is arranged below the base shaft (3).

6. The billet caster swinging launder base shaft structure according to claim 1, characterized in that the base shaft (3) is made in one piece with the flange (4).