Steelmaking safety protection device

Abstract

The utility model relates to the technical field of steelmaking, and in particular to a steelmaking safety protection device, comprising a bottom plate and a furnace, wherein the bottom plate is fixedly connected to the outer wall of the furnace, a splash-proof mechanism is arranged above the bottom plate, a material box is fixedly connected to the upper surface of the bottom plate, steelmaking raw materials are arranged inside the material box, a feeding mechanism is arranged outside the material box, a second motor is fixedly connected to the outer wall of the bottom plate, and a screw is fixedly connected to the output shaft of the second motor. The first motor drives a disc to rotate, the disc drives a pin to move, the pin drives a moving ring to move, the moving ring drives a support rod to move, the support rod drives a push block to move, the push block pushes out the steelmaking raw materials at the bottom of the material box, the steelmaking raw materials at the bottom are discharged from the channel and fall into the inside of the casing, and then enter the inside of the furnace, the steelmaking raw materials are controlled by the first motor to be fed, so as to avoid scalding incidents of the staff when feeding, and facilitate the feeding of the steelmaking raw materials.

Description

Technical Field

[0001] The utility model relates to the technical field of steelmaking, in particular to a steelmaking safety protection device. Background Art

[0002] Steelmaking refers to controlling the carbon content, eliminating harmful elements within the metal, retaining or increasing beneficial elements and adjusting the ratio between elements to obtain optimal properties.

[0003] For example, a steelmaking safety protection device with patent number CN220366693U includes a furnace, a partition is provided on the left side of the furnace, an open groove is provided on the top of the partition, a leg is fixedly connected to the bottom of the partition, a slide plate is fixedly connected to the top of the partition, a cover plate is slidably connected between the slide plates, a rack is fixedly connected to the left wall of the cover plate, and a gear is meshingly connected between the racks. The above document still has shortcomings. When in use, the effect of closing the furnace mouth is first achieved through the cooperation between the cover plate, the gear, the rack and the slide plate, which solves the problem of molten iron splashing during the steelmaking process and improves the processing efficiency during the steelmaking process. The coordination among motor 2, gear 2, rack 1, platform and opening groove achieves the effect of closing the protective door during the steelmaking process, solves the problem that workers may accidentally drop materials into the furnace when adding materials, and ensures the safety of workers. However, when the device in the above document is in use, it is necessary to manually put steelmaking raw materials into the furnace. The temperature near the furnace is usually high, and workers are prone to scalding when adding materials, which makes it inconvenient to put steelmaking raw materials, thereby reducing the usability of the steelmaking safety protection device. At the same time, when the steelmaking raw materials are added to the interior of the furnace, the impact force of the steelmaking raw materials when they fall into the interior of the furnace is large, which can easily cause the molten steel in the furnace to splash, and thus cause safety accidents. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to put in steelmaking raw materials, and proposes a steelmaking safety protection device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steelmaking safety protection device is designed, comprising a bottom plate and a furnace, wherein the bottom plate is fixedly connected to the outer wall of the furnace, a splash-proof mechanism is arranged above the bottom plate, a material box is fixedly connected to the upper surface of the bottom plate, steelmaking raw materials are arranged inside the material box, a safety feeding mechanism is arranged outside the material box, a second motor is fixedly connected to the outer wall of the bottom plate, a screw is fixedly connected to the output shaft of the second motor, and the outer walls at both ends of the screw are rotatably connected to the bottom plate through bearings.

[0007] Preferably, the safe feeding mechanism includes a bracket, which is fixedly connected to the back of the material box, and the bracket is fixedly connected to the outer wall of the first motor. The output shaft of the first motor is fixedly connected with a disc, and a pin is provided on the surface of the disc. The outer wall of the pin is slidably connected to a moving ring, and the moving ring is fixedly connected to one end of the support rod, and the other end of the support rod is fixedly connected to a push block.

[0008] Preferably, the splash-proof mechanism includes a sleeve, the sleeve is fixedly connected to the upper surface of the base plate, the inner wall of the sleeve is fixedly connected with a wedge block, the wedge block and the sleeve are both fixedly connected to the outer wall of the sleeve, the interior of the sleeve is slidably connected with a slide rod, the interior of the sleeve is provided with a spring, the two ends of the spring are respectively fixedly connected to the sleeve and the slide rod, the end of the slide rod is fixedly connected with a support plate, and the support plate is slidably connected to the wedge block through a pin shaft.

[0009] Preferably, the outer wall of the screw rod is threadedly connected with a threaded block, a sliding block is fixedly connected above the threaded block, and the outer wall of the sliding block is slidably connected to the bottom plate.

[0010] Preferably, a baffle is fixedly connected above the sliding block, and an outer wall of the baffle is slidably connected to the sleeve.

[0011] Preferably, the push block is slidably connected to the inner wall of the channel, and the channel is arranged inside the material box.

[0012] The utility model proposes a steelmaking safety protection device, which has the beneficial effects of: through the cooperation among the bracket, the first motor, the disc, the pin rod, the moving ring, the support rod and the push block, the first motor drives the disc to rotate, the disc drives the pin rod to move, the pin rod drives the moving ring to move, the moving ring drives the support rod to move, the support rod drives the push block to move, the push block pushes out the steelmaking raw materials at the bottom layer in the material box, the steelmaking raw materials at the bottom layer are discharged from the channel and fall into the inside of the casing, and then enter the inside of the furnace, the steelmaking raw materials are fed by the first motor to avoid scalding incidents of the staff when feeding, and the feeding of the steelmaking raw materials is convenient.

[0013] Through the cooperation among the sleeve, wedge block, sleeve, slider, spring and support plate, when the steelmaking raw materials enter the interior of the sleeve, the steelmaking raw materials contact the support plate and drive the support plate to move, the support plate drives the sliding rod to move, the sliding rod slides inside the sleeve, the sliding rod compresses the spring, the spring buffers the sliding rod, and then buffers the movement of the support plate, the support plate buffers the descending steelmaking raw materials, reduces the descending speed of the steelmaking raw materials, and allows the steelmaking raw materials to enter the interior of the furnace at a slower speed, which will not easily cause the molten steel in the furnace to splash, and thus will not cause safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the second motor, the screw rod and the threaded block in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the bottom plate, the furnace and the sleeve in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection between the casing, the wedge block and the sleeve in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the bracket, the first motor and the disc in the utility model.

[0020] In the figure: 1, bottom plate, 2, furnace, 3, safe feeding mechanism, 301, bracket, 302, first motor, 303, disc, 304, pin rod, 305, moving ring, 306, support rod, 307, push block, 3a1, hydraulic cylinder, 3a2, clamping block, 4, splash-proof mechanism, 401, sleeve, 402, wedge block, 403, sleeve, 404, slide rod, 405, spring, 406, support plate, 5, material box, 6, steelmaking raw materials, 7, second motor, 8, screw, 9, threaded block, 10, slider, 11, baffle, 12, channel. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings: Example 1

[0022] See attached Figure 1-6 In this embodiment, a steelmaking safety protection device includes a bottom plate 1 and a furnace 2, the bottom plate 1 is fixedly connected to the outer wall of the furnace 2, a splash-proof mechanism 4 is arranged above the bottom plate 1, the splash-proof mechanism 4 places steelmaking raw materials 6 to cause splashing of molten steel in the furnace 2, a material box 5 is fixedly connected to the upper surface of the bottom plate 1, the steelmaking raw materials 6 are arranged inside the material box 5, and the steelmaking raw materials 6 are steel, and a safe feeding mechanism 3 is arranged outside the material box 5, and the feeding mechanism 3 feeds the steelmaking raw materials 6;

[0023] The outer wall of the bottom plate 1 is fixedly connected with a second motor 7, and the output shaft of the second motor 7 is fixedly connected with a screw 8. The second motor 7 drives the screw 8 to rotate, and the outer walls at both ends of the screw 8 are rotatably connected with the bottom plate 1 through bearings. The outer wall of the screw 8 is threadedly connected with a thread block 9, and the screw 8 drives the thread block 9 to move. A slider 10 is fixedly connected above the thread block 9, and the thread block 9 drives the slider 10 to slide. The outer wall of the slider 10 is slidably connected with the bottom plate 1, and the slider 10 slides inside the bottom plate 1. A baffle 11 is fixedly connected above the slider 10, and the slider 10 drives the baffle 11 to move. The outer wall of the baffle 11 is slidably connected with the sleeve 401, and the baffle 11 shields the top of the furnace 2 to play a safety protection role.

[0024] The safe feeding mechanism 3 includes a bracket 301, a first motor 302, a disc 303, a pin 304, a moving ring 305, a support rod 306 and a push block 307. The bracket 301 is fixedly connected to the back of the material box 5. The bracket 301 is fixedly connected to the outer wall of the first motor 302. The output shaft of the first motor 302 is fixedly connected to the disc 303. The first motor 302 drives the disc 303 to rotate. The surface of the disc 303 is provided with a pin 304, and the disc 303 drives the pin 304 to move.

[0025] The outer wall of the pin rod 304 is slidably connected to the moving ring 305, the pin rod 304 slides inside the moving ring 305 and drives the moving ring 305 to move, the moving ring 305 is fixedly connected to one end of the support rod 306, the moving ring 305 drives the support rod 306 to move, the other end of the support rod 306 is fixedly connected to a push block 307, the support rod 306 drives the push block 307 to slide, the push block 307 is slidably connected to the inner wall of the channel 12, the push block 307 pushes the steelmaking raw material 6 out, and the channel 12 is set inside the material box 5;

[0026] The first motor 302 drives the disc 303 to rotate, the disc 303 drives the pin rod 304 to move, the pin rod 304 drives the moving ring 305 to move, the moving ring 305 drives the support rod 306 to move, the support rod 306 drives the push block 307 to move, the push block 307 pushes the steelmaking raw material 6 at the bottom layer in the material box 5, the steelmaking raw material 6 at the bottom layer is discharged from the channel 12 and falls into the inside of the sleeve 401, and then enters the inside of the furnace 2. The steelmaking raw material 6 is controlled by the first motor 302 to be released, so as to avoid scalding incidents of the staff when feeding, and facilitate the release of the steelmaking raw material 6.

[0027] The splash-proof mechanism 4 includes a sleeve 401, a wedge block 402, a sleeve 403, a slider 404, a spring 405 and a support plate 406. The sleeve 401 is fixedly connected to the upper surface of the bottom plate 1. The inner wall of the sleeve 401 is fixedly connected with the wedge block 402. The wedge block 402 and the sleeve 401 are both fixedly connected with the outer wall of the sleeve 403. The interior of the sleeve 403 is slidably connected with a slide bar 404, and the slide bar 404 slides inside the sleeve 403.

[0028] A spring 405 is arranged inside the sleeve 403. The model of the spring 405 is selected according to the actual use requirements and can meet the work requirements. The two ends of the spring 405 are fixedly connected to the sleeve 403 and the slide rod 404 respectively. The spring 405 can drive the slide rod 404 to slide under the elastic action. The end of the slide rod 404 is fixedly connected with a support plate 406. The slide rod 404 drives the support plate 406 to move. The support plate 406 is slidably connected to the wedge block 402 through a pin shaft.

[0029] When the steelmaking raw material 6 enters the interior of the sleeve 401, the steelmaking raw material 6 contacts the support plate 406 and drives the support plate 406 to move. The support plate 406 drives the slide bar 404 to move. The slide bar 404 slides inside the sleeve 403. The slide bar 404 compresses the spring 405. The spring 405 buffers the slide bar 404, thereby buffering the movement of the support plate 406. The support plate 406 buffers the descending steelmaking raw material 6, reduces the descending speed of the steelmaking raw material 6, and allows the steelmaking raw material 6 to enter the interior of the furnace 2 at a slower speed, which will not easily cause the molten steel in the furnace 2 to splash, and thus will not cause a safety accident.

[0030] Working principle:

[0031] When the steelmaking safety protection device is used to protect the furnace 2, the second motor 7 is started, the second motor 7 drives the screw 8 to rotate, the screw 8 drives the threaded block 9 to move, the threaded block 9 drives the slider 10 to slide, the slider 10 drives the baffle 11 to slide, and the baffle 11 opens the upper end of the furnace 2;

[0032] Steelmaking raw material delivery stage:

[0033] Put the steelmaking raw material 6 into the material box 5, start the first motor 302, the first motor 302 drives the disc 303 to rotate, the disc 303 drives the pin rod 304 to move, the pin rod 304 drives the movement ring 305 to move, the movement ring 305 drives the support rod 306 to move, the support rod 306 drives the push block 307 to move, the push block 307 pushes the steelmaking raw material 6 at the bottom of the material box 5, the steelmaking raw material 6 at the bottom is discharged from the channel 12 and falls into the inside of the sleeve 401, and then enters the inside of the furnace 2, the steelmaking raw material 6 is controlled by the first motor 302 to prevent the staff from being scalded when feeding, and it is convenient to realize the feeding of the steelmaking raw material 6;

[0034] Splash-proof stage:

[0035] When the steelmaking raw material 6 enters the interior of the sleeve 401, the steelmaking raw material 6 contacts the support plate 406 and drives the support plate 406 to move, and the support plate 406 drives the slide bar 404 to move, and the slide bar 404 slides inside the sleeve 403, and the slide bar 404 compresses the spring 405, and the spring 405 plays a buffering role on the slide bar 404, and then plays a buffering role on the movement of the support plate 406, and the support plate 406 buffers the descending steelmaking raw material 6, reduces the descending speed of the steelmaking raw material 6, and makes the steelmaking raw material 6 enter the interior of the furnace 2 at a slower speed, which will not easily cause the molten steel in the furnace 2 to splash, and thus will not cause safety accidents;

[0036] Security protection stage:

[0037] After the steelmaking raw material 6 is put in, the second motor 7 is started in reverse, and the baffle 11 moves in the opposite direction to the above. The two baffles 11 shield the top of the furnace 2 to prevent molten steel from splashing and injuring the staff when the steelmaking raw material 6 is melted in the furnace 2. Example 2

[0038] See attached Figure 1-6 : In this embodiment, a steelmaking safety protection device, the safe feeding mechanism 3 also includes a hydraulic cylinder 3a1 and a clamping block 3a2, the outer wall of the hydraulic cylinder 3a1 is fixedly connected to the material box 5, the hydraulic cylinder of the hydraulic cylinder 3a1 is fixedly connected with the clamping block 3a2, and the hydraulic cylinder 3a1 drives the clamping block 3a2 to move;

[0039] Through the cooperation between the hydraulic cylinder 3a1 and the clamping block 3a2, when the push block 307 pushes the steel-making raw material 6 at the bottom, the hydraulic cylinder 3a1 drives the clamping block 3a2 to move, and the clamping block 3a2 clamps and supports the steel-making raw material 6 above, reducing the force on the steel-making raw material 6 at the bottom, making it easier for the push block 307 to push out the steel-making raw material 6 at the bottom.

[0040] Working principle:

[0041] When the push block 307 pushes the steel-making raw material 6 at the bottom, the hydraulic cylinder 3a1 drives the clamping block 3a2 to move, and the clamping block 3a2 clamps and supports the steel-making raw material 6 above, reducing the force on the steel-making raw material 6 at the bottom, making it easier for the push block 307 to push out the steel-making raw material 6 at the bottom.

[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A steelmaking safety protection device, comprising a bottom plate (1) and a furnace (2), wherein the bottom plate (1) is fixedly connected to an outer wall of the furnace (2), and characterized in that: A splash-proof mechanism (4) is arranged above the bottom plate (1); a material box (5) is fixedly connected to the upper surface of the bottom plate (1); steelmaking raw materials (6) are arranged inside the material box (5); a safe feeding mechanism (3) is arranged outside the material box (5); a second motor (7) is fixedly connected to the outer wall of the bottom plate (1); a screw (8) is fixedly connected to the output shaft of the second motor (7); the outer walls of both ends of the screw (8) are rotatably connected to the bottom plate (1) via bearings; the splash-proof mechanism (4) comprises a sleeve (401); the sleeve (401) is fixedly connected to the upper surface of the bottom plate (1); The inner wall of the sleeve (401) is fixedly connected with a wedge block (402), the wedge block (402) and the sleeve (401) are both fixedly connected with the outer wall of the sleeve (403), the interior of the sleeve (403) is slidably connected with a slide rod (404), the interior of the sleeve (403) is provided with a spring (405), the two ends of the spring (405) are respectively fixedly connected with the sleeve (403) and the slide rod (404), the end of the slide rod (404) is fixedly connected with a support plate (406), and the support plate (406) is slidably connected with the wedge block (402) through a pin shaft.

2. A steelmaking safety protection device according to claim 1, characterized in that: The safe feeding mechanism (3) comprises a bracket (301), the bracket (301) is fixedly connected to the back of the material box (5), the bracket (301) is fixedly connected to the outer wall of the first motor (302), the output shaft of the first motor (302) is fixedly connected to a disk (303), the surface of the disk (303) is provided with a pin rod (304), the outer wall of the pin rod (304) is slidably connected to a moving ring (305), the moving ring (305) is fixedly connected to one end of a support rod (306), and the other end of the support rod (306) is fixedly connected to a push block (307).

3. A steelmaking safety protection device according to claim 2, characterized in that: The outer wall of the screw rod (8) is threadedly connected to a threaded block (9), a sliding block (10) is fixedly connected above the threaded block (9), and the outer wall of the sliding block (10) is slidably connected to the bottom plate (1).

4. A steelmaking safety protection device according to claim 3, characterized in that: A baffle (11) is fixedly connected above the sliding block (10), and an outer wall of the baffle (11) is slidably connected to the sleeve (401).

5. A steelmaking safety protection device according to claim 4, characterized in that: The push block (307) is slidably connected to the inner wall of the channel (12), and the channel (12) is arranged inside the material box (5).

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