Brick core outward pulling device of air brick

Abstract

The utility model discloses an air brick core outward pulling device which comprises two connecting plates, the connecting plates are L-shaped, the two connecting plates are located on the two sides of a throat seat at the lower end of a brick core respectively, through holes are correspondingly formed in the connecting plates and the throat seat, studs penetrate through the through holes, and the two ends of each stud are connected with the connecting plates. The outer side faces of the two ends of the stud are both in threaded connection with locking nuts, the lower end of the connecting plate penetrates through a flange center hole fixed to the steel ladle bottom and the lower end of the seating brick, the lower end of the connecting plate is detachably connected with the moving block, the moving block is connected with the driving mechanism, and the driving mechanism drives the moving block to do linear motion. According to the air brick core outward pulling device, the brick core can be rapidly pulled out, it is guaranteed that the brick core is not damaged, the core replacing efficiency is improved, and meanwhile the safety in the using process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of air-permeable brick core replacement, in particular to an air-permeable brick core external pulling device. Background Art

[0002] In the iron and steel metallurgical industry, air bricks are the most critical functional components in the bottom blowing argon process of off-furnace refining. According to the different installation methods of air bricks, they can be divided into integral air bricks and split air bricks. At present, in order to improve the service life of the ladle, split air bricks are often used. Split air bricks can not only replace the brick core in a hot state, but also ensure good air permeability, maintain the production organization of the ladle, and maximize the service life of the ladle refractory material.

[0003] At present, when replacing the brick core, a steel rod is used to push one end of the brick core outward, which requires multiple workers to work together and constantly hit the brick core. This is not only labor-intensive, but also easy to damage the brick core. There are safety issues during the operation, which affects the efficiency of removal and replacement. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a breathable brick core external pulling device, which can quickly pull out the brick core and ensure that the brick core is not damaged, improve the core replacement efficiency, and effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a breathable brick core pulling device, comprising two connecting plates, the connecting plates are L-shaped, and the two connecting plates are respectively located on both sides of the throat seat at the lower end of the brick core, and the connecting plates and the throat seat are respectively provided with through holes, and studs pass through the through holes, and the outer sides of both ends of the studs are threadedly connected with locking nuts, the lower end of the connecting plate passes through the flange center hole fixed at the bottom of the steel ladle and the lower end of the seat brick, and the lower end of the connecting plate is detachably connected to the moving block, and the moving block is connected to the driving mechanism, and the driving mechanism drives the moving block to make a linear motion.

[0006] As a preferred technical solution of the utility model, the driving mechanism includes a driving motor, a fixed box and a screw rod. The upper end of the fixed box is connected to the flange by a fixing bolt. The fixed box has an opening on one side facing the connecting plate. The screw rod is arranged in the fixed box. One end of the screw rod is connected to the output end of the driving motor. The moving block is threadedly connected to the outer side of the screw rod.

[0007] As a preferred technical solution of the utility model, the number of the studs is two, and the two studs are distributed in parallel between the two connecting plates and the throat seat.

[0008] As a preferred technical solution of the utility model, the connecting plate and the moving block are connected by connecting bolts.

[0009] As a preferred technical solution of the utility model, the moving block is provided with a strip hole, and the connecting bolt passes through the strip hole.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the air-permeable brick core pulling device is reasonably designed and easy to operate. The connecting plate and the throat seat are fixed by setting studs and locking nuts, and then the pulling-out position of the brick core is fixed. The connecting plate is connected to the moving block, and the moving block is driven to move in a straight line under the action of the driving mechanism, thereby pulling out the brick core, which not only reduces the labor intensity of workers, but also improves the pulling efficiency. It does not require multiple people to operate, and improves the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a cross-sectional view of the utility model with the brick core disassembled.

[0012] In the figure: 1 connecting plate, 2 studs, 3 locking nuts, 4 moving blocks, 5 driving mechanisms, 51 driving motors, 52 fixing boxes, 53 screw rods, 6 connecting bolts, 7 strip holes, 8 fixing bolts, 9 throat seats, 10 brick cores, 11 seat bricks, 12 ladle bottoms, and 13 flanges. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 1 Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0014] See also Figure 1 The utility model provides a technical solution: a breathable brick core external pulling device, comprising two connecting plates 1, the connecting plates 1 are L-shaped, the two connecting plates 1 are respectively located on both sides of the throat seat 9 at the lower end of the brick core 10, and the connecting plates 1 and the throat seat 9 are respectively provided with through holes, and studs 2 pass through the through holes, and the outer sides of both ends of the studs 2 are threadedly connected with locking nuts 3, and the connection and fixation of the brick core 10 are realized by the connecting plates 1, the studs 2 and the locking nuts 3;

[0015] The lower end of the connecting plate 1 passes through the center hole of the flange 13 fixed to the bottom 12 of the steel ladle and the lower end of the seat brick 11, and the lower end of the connecting plate 1 is detachably connected to the moving block 4, and the moving block 4 is connected to the driving mechanism 5. The driving mechanism 5 includes a driving motor 51, a fixed box 52 and a screw 53. The upper end of the fixed box 52 is connected to the flange 13 by a fixing bolt 8. The fixed box 52 has an opening on the side facing the connecting plate 1. The screw 53 is arranged in the fixed box 52. One end of the screw 53 is connected to the output end of the driving motor 51. The driving motor 51 can rotate forward and reverse. The moving block 4 is threadedly connected to the outer side of the screw 53. The rotation of the driving motor 51 drives the screw 53 to rotate, thereby driving the moving block 4 to move along the straight line direction of the screw 53, thereby pulling out the brick core.

[0016] Furthermore, in order to improve the connection strength to the brick core 10 , the number of the studs 2 is two, and the two studs 2 are distributed in parallel between the two connecting plates 1 and the throat seat 9 .

[0017] Furthermore, in order to facilitate the rapid installation and disassembly of the external pulling device, the connecting plate 1 and the moving block 4 are connected by connecting bolts 6 .

[0018] Furthermore, in order to facilitate the connection plate 1 to be put on the stud 2 , a strip hole 7 is provided on the moving block 4 , and the connecting bolt 6 passes through the strip hole 7 , so as to facilitate the fixation of the connection plate 1 .

[0019] When in use: first, cross the two studs 2 through the through holes on the throat seat 9, then respectively put the two connecting plates 1 on the outer sides of the studs 2, and tighten them with the locking nuts 3. At this time, the two driving mechanisms 5 are symmetrically fixed on the flange 13 with fixing bolts 8, and the moving block 4 is moved by turning on the driving motor 51 until it fits with the connecting plate 1. At this time, the connecting bolts 6 are passed through the lower end of the connecting plate 1 and the strip holes 7 on the moving block 4, and the nuts are tightened to fix them. In this way, the installation of the external pulling device is completed, and the driving motor 51 is continued to be started to drive the moving block 4 to move outward, and then the brick core 10 is slowly pulled out.

[0020] The utility model can be conveniently operated, occupies less space when in use, is easy to operate and use; can effectively reduce the labor intensity of workers, will not damage the brick core 10 during the process of pulling out the brick core 10, and improves the replacement efficiency and safety of the brick core 10.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for pulling out the core of a breathable brick, characterized in that: The invention comprises two connecting plates (1), the connecting plates (1) are L-shaped, the two connecting plates (1) are respectively located on both sides of the throat seat (9) at the lower end of the brick core (10), the connecting plates (1) and the throat seat (9) are respectively provided with through holes, the through holes are penetrated by studs (2), the outer sides of both ends of the studs (2) are threadedly connected with locking nuts (3), the lower end of the connecting plate (1) passes through the center hole of the flange (13) fixed at the bottom of the steel ladle (12) and the lower end of the seat brick (11), and the lower end of the connecting plate (1) is detachably connected to the moving block (4), the moving block (4) is connected to the driving mechanism (5), and the driving mechanism (5) drives the moving block (4) to perform linear motion.

2. The air-permeable brick core external pulling device according to claim 1 is characterized in that: The driving mechanism (5) comprises a driving motor (51), a fixing box (52) and a screw rod (53); the upper end of the fixing box (52) is connected to the flange (13) via a fixing bolt (8); the fixing box (52) has an opening on one side facing the connecting plate (1); the screw rod (53) is arranged in the fixing box (52); one end of the screw rod (53) is connected to the output end of the driving motor (51); and the moving block (4) is threadedly connected to the outer side surface of the screw rod (53).

3. The air permeable brick core external pulling device according to claim 1 is characterized in that: The number of the studs (2) is two, and the two studs (2) are distributed in parallel between the two connecting plates (1) and the throat seat (9).

4. The air-permeable brick core external pulling device according to claim 1, characterized in that: The connecting plate (1) and the moving block (4) are connected via connecting bolts (6).

5. The air-permeable brick core external pulling device according to claim 4 is characterized in that: The moving block (4) is provided with a strip-shaped hole (7), and the connecting bolt (6) passes through the strip-shaped hole (7).

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