Device for detecting hardness of refractory brick for steel ladle
By using a drive assembly and scraper to automatically clean debris in the refractory brick hardness testing device, the problem of laborious debris cleaning after refractory brick testing is solved, and a highly efficient testing process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-27
AI Technical Summary
Currently, cleaning up debris after testing the hardness of refractory bricks is laborious and affects testing efficiency.
Design a device for testing the hardness of refractory bricks used in steel ladles. A drive component moves a moving plate backward, and a scraper removes debris, which falls below the worktable, simplifying the cleaning process.
No manual cleaning of debris is required, which improves testing efficiency and reduces labor intensity.
Smart Images

Figure CN224051852U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to refractory brick detection technical field, concretely is a kind of refractory brick hardness detection device for ladle. BACKGROUND
[0002] Ladle is the key equipment for holding, transporting and refining molten steel in steelmaking process, and the refractory brick of ladle is an important material for the lining of ladle. It is a block-shaped refractory material made of high-temperature resistant raw materials through processes such as batching, molding, drying and baking.
[0003] Refractory brick hardness detection is an important link to ensure the quality and performance of refractory bricks. On the one hand, hardness detection can evaluate the wear resistance of refractory bricks, and on the other hand, hardness detection can help judge the sintering quality of refractory bricks. If the hardness is insufficient, it may be caused by insufficient sintering temperature or time, etc. Such refractory bricks are prone to damage during use, affecting the safety and reliability of the entire high-temperature equipment.
[0004] At present, after the detection of refractory bricks, the refractory bricks will be crushed, and the refractory brick debris is mainly collected by personnel during cleaning. Personnel are more laborious to clean the crushed refractory bricks, affecting the efficiency of detection. UTILITY MODEL CONTENT
[0005] In view of the above shortcomings of the prior art, the utility model provides a refractory brick hardness detection device for ladle. After detecting the hardness of the refractory brick, a pair of moving plates is driven by the driving assembly to move away from each other, and a pair of scraping strips is used to remove the debris on the moving plates, so that the refractory brick debris falls to the bottom of the workbench. Personnel do not need to clean the refractory brick debris, which saves time and effort and improves the efficiency of detection.
[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a refractory brick hardness detection device for ladle, comprising a workbench, a box body is arranged above the workbench, a detection assembly is arranged on the box body, a through slot is formed below the box body on the workbench, a pair of sliding grooves is formed on both sides of the through slot on the workbench, a pair of moving plates is horizontally slidably arranged in the pair of sliding grooves, a driving assembly is arranged on the workbench for moving the pair of moving plates towards or away from each other, a pair of scraping strips is arranged on the bottom of the box body on the workbench, and the pair of scraping strips is slidably connected with the upper surfaces of the pair of moving plates.
[0007] Preferably, the driving assembly comprises a cylinder, a pair of first connecting rods and a pair of second connecting rods, the bottom of the workbench is provided with a limiting plate, the cylinder is arranged on the side of the limiting plate away from the pair of moving plates, the telescopic end of the cylinder is connected with a first transmission bar, one end of the pair of first connecting rods is connected with the bottom of the moving plate close to the limiting plate, and the other end is connected with the first transmission bar, the pair of second connecting rods are connected with the bottom of the moving plate away from the limiting plate, and the other end is connected with a second transmission bar, the first connecting rods and the second connecting rods all penetrate through the limiting plate, the bottom of the workbench is provided with a positioning shaft, the positioning shaft is rotatably provided with a rotating rod, and the two ends of the rotating rod are respectively hingedly connected with a first transmission rod and a second transmission rod, the other end of the first transmission rod is hingedly connected with the first transmission bar, and the other end of the second transmission rod is hingedly connected with the second transmission bar.
[0008] Preferably, the detection assembly comprises a telescopic cylinder and a hardness detection plate, and the telescopic cylinder is arranged on the top of the box body and penetrates through the top wall of the box body.
[0009] Preferably, the box body is provided with a box door which can be opened and closed.
[0010] The steel ladle refractory brick hardness detection device has the following beneficial effects:
[0011] 1. After detecting the hardness of the refractory brick, the driving assembly drives a pair of moving plates to move away from each other, and a pair of scraping strips scrape off the debris on the moving plates, so that the refractory brick debris falls below the workbench, and personnel do not need to clean the refractory brick debris, time and labor are saved, and the detection efficiency is improved.
[0012] 2. The cylinder can drive a pair of moving plates to move towards or away from each other, so that the moving plates are convenient to operate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a structural schematic view of the steel ladle refractory brick hardness detection device.
[0014] Fig. 2 It is a bottom view of the steel ladle refractory brick hardness detection device.
[0015] In the figure: 1, workbench; 1-1, through slot; 1-2, sliding groove; 2, box body; 3, telescopic cylinder; 4, hardness detection plate; 5, moving plate; 6, scraping strip; 7, limiting plate; 8, cylinder; 9, first transmission bar; 10, first connecting rod; 11, positioning shaft; 12, rotating rod; 13, first transmission rod; 14, second transmission rod; 15, second transmission bar; 16, second connecting rod. PREFERRED EMBODIMENT
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] like Figs. 1-2 As shown, a hardness testing device for refractory bricks used in steel ladles includes a workbench 1, a housing 2 above the workbench 1, a testing component on the housing 2, a through groove 1-1 below the housing 2 on the workbench 1, a pair of sliding grooves 1-2 on both sides of the through groove 1-1 on the workbench 1, a pair of moving plates 5 horizontally sliding in the pair of sliding grooves 1-2, a driving component for moving the pair of moving plates 5 towards or away from each other on the workbench 1, and a pair of scrapers 6 on the workbench 1 and at the bottom of the housing 2, the pair of scrapers 6 being slidably connected to the upper surfaces of the pair of moving plates 5; the driving component includes a cylinder 8, a pair of first connecting rods 10 and a pair of second connecting rods 16, a limit plate 7 at the bottom of the workbench 1, the cylinder 8 being located on the side of the limit plate 7 away from the pair of moving plates 5, and a first transmission rod 9 connected to the telescopic end of the cylinder 8; the pair of... One end of the first connecting rod 10 is connected to the bottom of the moving plate 5 near the limiting plate 7, and the other end is connected to the first transmission bar 9. A pair of second connecting rods 16 are connected to the bottom of the moving plate 5 away from the limiting plate 7, and the other end is connected to the second transmission bar 15. The first connecting rod 10 and the second connecting rod 16 are both installed through the limiting plate 7. The bottom of the workbench 1 is provided with a positioning shaft 11. A rotating rod 12 is rotatably installed on the positioning shaft 11. The two ends of the rotating rod 12 are respectively hinged to the first transmission rod 13 and the second transmission rod 14. The other end of the first transmission rod 13 is hinged to the first transmission bar 9, and the other end of the second transmission rod 14 is hinged to the second transmission bar 15. The detection assembly includes a telescopic cylinder 3 and a hardness detection plate 4. The telescopic cylinder 3 is installed on the top of the box 2 and its telescopic end penetrates through the top wall of the box 2. The hardness detection plate 4 is installed on the telescopic end of the telescopic cylinder 3. The box 2 is provided with an openable and closable door.
[0018] Its detailed connection methods are well-known technologies in this field. The following mainly introduces the working principle and process, as follows:
[0019] In this utility model, both cylinder 8 and telescopic cylinder 3 are connected to an external electrical control system via wires. The above equipment and connection methods are existing technologies and will not be described in detail here.
[0020] According to the instruction manual Figs. 1-2It is known that the pair of moving plates 5 are in the merging (mutual contact) state initially, in use, the refractory brick to be detected is placed on the pair of moving plates 5 below the detection assembly in the box body 2, the hardness of the refractory brick is detected through the detection assembly, when the detection is finished, the refractory brick is broken, the pair of moving plates 5 is moved to both sides in the sliding groove 1-2 through the driving assembly, and then the bottom of the box body 2 is opened, when the moving plate 5 moves, the refractory brick debris above the moving plate 5 is scraped off by the scraping strip 6, until the debris on the moving plate 5 is scraped clean and falls to the workbench 1 below, and the collecting box can be arranged below the workbench 1 to collect the debris; the pair of moving plates 5 is moved back through the driving assembly after the hardness of the refractory brick is detected, the debris on the moving plate 5 is scraped off by the pair of scraping strips 6, and the refractory brick debris falls to the workbench 1 below, so that personnel is saved in time and labor, and the detection efficiency is improved.
[0021] There is a possible implementation that when the telescopic end of the cylinder 8 is extended, the first transmission bar 9 is moved away from the limiting plate 7, the first transmission bar 9 moves to drive the connected pair of first connecting rods 10 to move, the hinged first transmission rod 13 moves, the pair of first connecting rods 10 drives the connected moving plate 5 to slide in the sliding groove 1-2, the first transmission rod 13 moves to drive the hinged rotating rod 12 to rotate, the rotating rod 12 rotates to drive the hinged second transmission rod 14 to move, the second transmission rod 14 drives the hinged second transmission bar 15 to move towards the limiting plate 7, the second transmission bar 15 moves to drive the connected pair of second connecting rods 16 to move, and the second connecting rod 16 drives the connected moving plate 5 to move away from the limiting plate 7, and then the pair of moving plates 5 moves to both sides.
[0022] There is a possible implementation that when the telescopic cylinder 3 is started, the telescopic end of the telescopic cylinder 3 is extended to drive the hardness detection plate 4 to move vertically downward, and the hardness detection plate 4 is pressed to the refractory brick for detection (a pressure sensor for sensing pressure is arranged on the hardness detection plate 4, and the pressure value applied to the refractory brick is detected and transmitted to the control system).
[0023] There is a possible implementation that the box body 2 is provided with a box door in an openable and closable manner, the refractory plate is placed in the box body 2 by opening the box door, and the debris is prevented from flying out when the refractory brick is broken and placed.
[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hardness testing device for a refractory brick for a ladle, comprising a worktable (1), characterized in that, The upper portion of the workbench (1) is provided with a box body (2), the box body (2) is provided with a detection assembly, the lower portion of the workbench (1) is provided with a through slot (1-1) below the box body (2), a pair of sliding grooves (1-2) are arranged on the both sides of the through slot (1-1), a pair of moving plates (5) are horizontally slidably arranged in the pair of sliding grooves (1-2), the workbench (1) is provided with a driving assembly for moving the pair of moving plates (5) towards or away from each other, a pair of scraping strips (6) are arranged on the bottom of the workbench (1) and the box body (2), and the pair of scraping strips (6) are slidably connected with the upper surfaces of the pair of moving plates (5).
2. The hardness detection device for the refractory bricks for ladles according to claim 1, characterized in that, The driving assembly comprises a cylinder (8), a pair of first connecting rods (10) and a pair of second connecting rods (16), the bottom of the workbench (1) is provided with a limiting plate (7), the cylinder (8) is arranged on the side of the limiting plate (7) away from the pair of moving plates (5), the telescopic end of the cylinder (8) is connected with a first transmission bar (9), one end of each of the pair of first connecting rods (10) is connected with the bottom of the moving plate (5) close to the limiting plate (7), and the other end is connected with the first transmission bar (9), one end of each of the pair of second connecting rods (16) is connected with the bottom of the moving plate (5) away from the limiting plate (7), and the other end is connected with a second transmission bar (15), the first connecting rod (10) and the second connecting rod (16) are arranged through the limiting plate (7), the bottom of the workbench (1) is provided with a positioning shaft (11), the positioning shaft (11) is rotatably provided with a rotating rod (12), the both ends of the rotating rod (12) are respectively hingedly connected with a first transmission rod (13) and a second transmission rod (14), the other end of the first transmission rod (13) is hingedly connected with the first transmission bar (9), and the other end of the second transmission rod (14) is hingedly connected with the second transmission bar (15).
3. The hardness detection device for the refractory bricks for ladles according to claim 1, characterized in that, The detection assembly comprises a telescopic cylinder (3) and a hardness detection plate (4), the telescopic cylinder (3) is arranged on the top of the box body (2) and penetrates through the top wall of the box body (2), and the hardness detection plate (4) is arranged on the telescopic end of the telescopic cylinder (3).
4. The hardness detection device for the refractory bricks for ladles according to claim 1, characterized in that, The box door is arranged on the box body (2) in an openable and closable mode.