CN219074357U

CN219074357U - Continuous casting bale machinery hand base device

Info

Publication number: CN219074357U
Application number: CN202223357050.4U
Authority: CN
Inventors: 李震霄; 张华春; 李建军; 马桂芬; 董立桐
Original assignee: Tianjin New Tiangang United Special Steel Co Ltd
Current assignee: Tianjin New Tiangang United Special Steel Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-26
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to a continuous casting bale manipulator base device which comprises a base flange, wherein a connecting flange is inserted and arranged above the base flange, eight mounting holes are formed in the periphery of the connecting flange, positioning bolts are inserted and arranged in the eight mounting holes, a groove is formed in the center of the connecting flange, internal threads are formed in the side wall of the groove, an external threaded rod is screwed in the internal threads, a rotating shaft is welded at the tail end of the external threaded rod, and a pair of cylindrical bearing inner walls are fixedly arranged on the surface of the rotating shaft. According to the utility model, the base flange is thickened from 20mm to 40mm, the 45# steel is changed into 40CrNiMo, and then 8 bolts are matched for fixing, so that the stable support of the base is improved. Meanwhile, the connecting part of the upper end face and the lower end face of the flange and the intermediate shaft is increased by 30 degrees to increase the welding contact surface of the flange and the intermediate shaft, so that the welding is firm, and the stability of the manipulator is improved.

Description

Continuous casting bale machinery hand base device

Technical Field

The utility model belongs to the technical field of manipulators, and particularly relates to a continuous casting ladle manipulator base device.

Background

The ladle manipulator connects the upper end of the long nozzle with the ladle sliding nozzle through various actions, and the lower port goes deep into the molten steel in the tundish, so that the molten steel is injected into the tundish through the long nozzle, the injection flow is isolated from air, the defects of steel billets are reduced, and the quality of casting blanks is ensured. The additional installation of the water gap with the same time length also avoids the potential safety hazard caused by molten steel splashing.

The steel mill continuous casting machine bale manipulator base is provided with a flange base, and the flange base is a 20mm iron plate, and is made of 45# steel. When the flange is produced and used for a long time, the flange base and the intermediate shaft are cracked due to the stress influence of the base, so that the manipulator is extremely easy to break, molten steel is exposed, and safety accidents are easy to occur.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a continuous casting bale manipulator base device, includes the base flange, the grafting of base flange top is provided with flange, eight mounting holes have been seted up all around to flange, and the inside grafting of eight mounting holes is provided with positioning bolt, flange central point puts and sets up the recess, and the recess lateral wall has seted up the internal thread, and the inside screw-on of internal thread is provided with the external screw rod, the terminal welding of external screw rod is provided with the rotation axis, rotation axis fixed surface is provided with a pair of cylinder bearing inner wall, and a pair of cylinder bearing outer wall joint is established at the axle sleeve inner wall, and the lower surface overlap joint setting of axle sleeve is at flange upper surface, and axle sleeve lower surface and flange junction joint are provided with the sealing washer.

As a preferable implementation mode of the utility model, the tail end of the positioning bolt is screwed with a positioning nut, a gasket is inserted into the positioning bolt, and the gasket is correspondingly arranged at the bottom of the base flange.

As a preferable implementation mode of the utility model, grooves and protrusions are respectively arranged in the base flange and the connecting flange, chamfering is carried out on the joint of the connecting flange and the externally threaded rod, and the chamfering is in a bevel shape.

As a preferred embodiment of the present utility model, the thickness of the base flange is 40mm, and the material of the base flange is 40CrNiMo.

As a preferable implementation mode of the utility model, a rolling bearing is arranged in the sealing ring, a bearing seat is arranged on the inner wall of the rolling bearing in a clamping way, the bearing seat is fixedly arranged on the outer wall of the rotating shaft, and a lubricating oil injection port is arranged on the surface of the sealing ring.

As a preferable implementation mode of the utility model, a positioning pin is inserted above the rotating shaft, a sealing gasket is fixedly arranged at the tail end of the positioning pin, the sealing gasket is matched with the size of the shaft sleeve, a locking bolt is screwed on the surface of the shaft sleeve, and the tail end of the locking bolt contacts the side wall of the rotating shaft.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the base flange is thickened from 20mm to 40mm, the 45# steel is changed into 40CrNiMo, and then 8 bolts are matched for fixing, so that the stable support of the base is improved. Meanwhile, the intermediate shaft is connected by the original direct insertion type, and is changed into threaded connection. Meanwhile, a 30-degree groove is added at the joint of the upper end face and the lower end face of the flange and the intermediate shaft, so that the welding contact surface of the flange and the intermediate shaft is increased, welding is firm, and the stability of the manipulator is improved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic three-dimensional structure of a base device of a continuous casting ladle manipulator;

FIG. 2 is a cross-sectional view of the base unit of the continuous casting ladle manipulator at A;

fig. 3 is a side view of the continuous casting ladle manipulator base unit.

In the figure: 1. a base flange; 2. a connecting flange; 3. a shaft sleeve; 4. a locking bolt; 5. a seal ring; 6. a lubricating oil injection port; 7. a mounting hole; 8. a groove; 9. an internal thread; 10. a rotation shaft; 11. an external threaded rod; 12. a sealing gasket; 13. a positioning pin; 14. a cylindrical bearing; 15. positioning bolts; 16. positioning a nut; 17. a gasket; 18. a bearing seat; 19. a rolling bearing.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 3, the continuous casting ladle manipulator base device comprises a base flange 1, the grafting of base flange 1 top is provided with flange 2, eight mounting holes 7 have been seted up around flange 2, and the inside grafting of eight mounting holes 7 is provided with positioning bolt 15, flange 2 central point puts and has seted up recess 8, and recess 8 lateral wall has seted up internal thread 9, and internal thread 9 inside is screwed and is provided with external screw rod 11, the terminal welding of external screw rod 11 is provided with rotation axis 10, rotation axis 10 fixed surface is provided with a pair of cylindrical bearing 14 inner wall, and a pair of cylindrical bearing 14 outer wall joint is established at the axle sleeve 3 inner wall, and the lower surface overlap joint of axle sleeve 3 sets up at flange 2 upper surface, and the junction joint of axle sleeve 3 lower surface and flange 2 is provided with sealing washer 5, with base flange 1 by 20mm thickening to 40mm, and change its material from 45# steel to 40CrNiMo, the stability of base flange 1 has been improved again to cooperate 8 positioning bolt 15 to fix. Meanwhile, the rotating shaft 10 is connected by the original direct insertion type, the internal thread 9 is changed into the connection, a 30-degree groove is added at the joint of the upper end face and the lower end face of the connecting flange 2 and the rotating shaft 10, and the welding contact surface of the connecting flange 2 and the rotating shaft 10 is increased, so that welding is firm, and the stability of the manipulator is improved.

As shown in fig. 1 to 3, in a specific embodiment, a positioning nut 16 is screwed at the end of the positioning bolt 15, a gasket 17 is inserted into the positioning bolt 15, and the gasket 17 is correspondingly disposed at the bottom of the base flange 1. The possibility of loosening after the positioning nut 16 is installed can be reduced through the gasket 17, grooves and protrusions are formed in the base flange 1 and the connecting flange 2 respectively, chamfering is conducted on the connecting position of the connecting flange 2 and the externally threaded rod 11, and the chamfering is in a 30-degree groove shape. The structural strength of the joint can be improved through the grooves and the protrusions, the thickness of the base flange 1 is 40mm, the material of the base flange 1 is 40CrNiMo, and the structural strength of the base flange 1 is improved through the thickness of 40mm and 40CrNiMo.

As shown in fig. 1 to 3, further, rolling bearings 19 are arranged in the sealing ring 5, the inner wall of the rolling bearings 19 is clamped with a bearing seat 18, the bearing seat 18 is fixedly arranged on the outer wall of the rotary shaft 10, a lubricating oil injection port 6 is formed in the surface of the sealing ring 5, the lubricating oil injection port 6 can inject lubricating oil into the rolling bearings 19, the lubricating effect is achieved, friction resistance is reduced, a positioning pin 13 is inserted above the rotary shaft 10, a sealing gasket 12 is fixedly arranged at the tail end of the positioning pin 13, the sealing gasket 12 is matched with the size of the shaft sleeve 3, a locking bolt 4 is screwed on the surface of the shaft sleeve 3, the tail end of the locking bolt 4 contacts with the side wall of the rotary shaft 10, the rotary shaft 10 can be positioned through the arrangement of the locking bolt 4, and the purpose of fixing the rotary position of the rotary shaft 10 is achieved.

The implementation principle of the continuous casting ladle manipulator base device of the embodiment is as follows: when the device moves, the base flange 1 can drive the connecting flange 2 to rotate at the moment, the rotating shaft 10 in threaded connection can start to rotate, and if the rotating shaft 10 needs to be fixed, the locking bolt 4 is rotated so as to be in mutual contact with the rotating shaft 10, friction force is increased, locking stability is improved, lubricating oil can be injected from the inside of the lubricating oil injection port 6, and therefore the rolling bearing 19 can be sealed, energy loss in the rotating process is reduced, generally, the base flange 1 is thickened to 40mm from 20mm, the material of the base flange 1 is changed from 45# steel to 40CrNiMo, and the base flange is fixed by being matched with 8 positioning bolts 15, so that stable supporting performance of the base flange 1 is improved. Meanwhile, the rotating shaft 10 is connected by the original direct insertion type, the internal thread 9 is changed into the connection, a 30-degree groove is added at the joint of the upper end face and the lower end face of the connecting flange 2 and the rotating shaft 10, and the welding contact surface of the connecting flange 2 and the rotating shaft 10 is increased, so that welding is firm, and the stability of the manipulator is improved.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. Continuous casting bale manipulator base device, including base flange (1), its characterized in that, base flange (1) top grafting is provided with flange (2), eight mounting hole (7) have been seted up all around to flange (2), and the inside grafting of eight mounting hole (7) is provided with positioning bolt (15), flange (2) central point puts and sets up fluted (8), and recess (8) lateral wall has seted up internal thread (9), and internal thread (9) inside screwing is provided with external screw rod (11), the terminal welding of external screw rod (11) is provided with rotation axis (10), rotation axis (10) fixed surface is provided with a pair of cylinder bearing (14) inner wall, and a pair of cylinder bearing (14) outer wall joint is established at axle sleeve (3) inner wall, and the lower surface overlap joint of axle sleeve (3) sets up at flange (2) upper surface, and axle sleeve (3) lower surface and flange (2) junction joint are provided with sealing washer (5).

2. The continuous casting ladle manipulator base device according to claim 1, wherein a positioning nut (16) is screwed at the tail end of the positioning bolt (15), a gasket (17) is inserted into the positioning bolt (15), and the gasket (17) is correspondingly arranged at the bottom of the base flange (1).

3. The continuous casting ladle manipulator base device according to claim 1, wherein grooves and protrusions are formed in the base flange (1) and the connecting flange (2) respectively, chamfering is performed at the joint of the connecting flange (2) and the externally threaded rod (11), and the chamfering is in a 30-degree groove shape.

4. A continuous casting ladle manipulator base assembly as claimed in claim 3, wherein the base flange (1) has a thickness of 40mm and the base flange (1) is of 40CrNiMo.

5. The continuous casting ladle manipulator base device according to claim 1, wherein a rolling bearing (19) is arranged inside the sealing ring (5), a bearing seat (18) is arranged on the inner wall of the rolling bearing (19) in a clamping manner, the bearing seat (18) is fixedly arranged on the outer wall of the rotating shaft (10), and a lubricating oil injection port (6) is formed in the surface of the sealing ring (5).

6. The continuous casting ladle manipulator base device according to claim 1, wherein a positioning pin (13) is inserted above the rotating shaft (10), a sealing gasket (12) is fixedly arranged at the tail end of the positioning pin (13), the sealing gasket (12) is matched with the size of the shaft sleeve (3), a locking bolt (4) is screwed on the surface of the shaft sleeve (3), and the tail end of the locking bolt (4) contacts the side wall of the rotating shaft (10).