Auxiliary material adding device for steelmaking converter

Abstract

The auxiliary material adding device comprises a base and a spiral conveyor, the top of the base is provided with a lifting assembly, the top end of the lifting assembly is connected with a top plate, the top of the top plate is provided with a connecting shaft, the top end of the connecting shaft is fixedly connected with a positioning seat, and the bottom end of the connecting shaft is provided with a rotating mechanism. And one end of the spiral conveyor is fixedly connected with a supporting frame, a sliding cavity is formed in the top side of the positioning seat, and a moving mechanism is arranged in the sliding cavity. By means of the design of the lifting assembly, the top plate, the rotating mechanism and the moving mechanism, the connecting plate drives the supporting frame to move on the positioning base, then the supporting frame pulls the spiral conveyor to move, and therefore the spiral conveyor can extend outwards so that the discharging hopper can extend to a steelmaking converter, and the positioning base is driven by the connecting shaft to rotate. The positioning base drives the spiral conveyor to rotate, the orientation of the discharging hopper is adjusted, accurate positioning of the discharging hopper is achieved, and the accuracy of the feeding position is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steelmaking converter, especially relates to a steelmaking converter auxiliary material adding device. BACKGROUND

[0002] Put the pig iron for steelmaking into the steelmaking furnace and smelt according to certain process, namely obtain steel, and the converter is a kind of oxygen blowing steel container of tilting cylinder, furnace body is cylindrical, is supported on a horizontal axle frame, can rotate, also be used to smelt steel.

[0003] At present, when steelmaking converter auxiliary material adding device is used, electric push rod or cylinder is often used to lift screw conveyor to high place, and then auxiliary material is added into steelmaking converter by screw conveyor, but in the process of actual use, since screw conveyor can only move to one side of steelmaking converter, after being lifted to specified height, the discharge port of screw conveyor is inclined to one side of steelmaking converter feed inlet, and since the discharge port of screw conveyor cannot be moved, the discharge port cannot be above the feed opening of steelmaking converter, so that the material adding position of screw conveyor is inaccurate, and use effect is influenced. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of steelmaking converter auxiliary material adding device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steelmaking converter auxiliary material adding device, comprising:

[0006] The bottom of the base is provided with a lifting assembly, the top of the lifting assembly is connected with a top plate, the top of the top plate is provided with a connecting shaft, the top end of the connecting shaft is fixedly connected with a positioning seat, and the bottom end of the connecting shaft is provided with a rotating mechanism.

[0007] The one end of the screw conveyor is fixedly connected with a support frame, and the one end of the screw conveyor bottom side is provided with a discharge hopper, the other end of the screw conveyor top side is provided with a storage barrel, the top side of the positioning seat is provided with a sliding cavity, the one end of the sliding cavity is slidably connected with a connecting plate, the bottom end of the support frame is fixedly connected with the connecting plate, the inside of the sliding cavity is provided with a moving mechanism, and the moving mechanism is used to drive the connecting plate to move.

[0008] Preferably, the lifting assembly includes a hydraulic push rod fixedly connected to the top of the base, and the output end of the hydraulic push rod is fixedly connected with the bottom end of the top plate.

[0009] Preferably, the bottom end of the top plate is fixedly connected with a vertical rod, the top end of the base is fixedly connected with a limiting box, the top end of the limiting box is provided with a circular hole penetrating the vertical rod, and the bottom end of the vertical rod is fixedly connected with a limiting plate.

[0010] Preferably, the rotating mechanism comprises a second gear fixedly connected to the bottom end of the connecting shaft, and a first motor is fixedly connected to the bottom side of the top plate, and a first gear engaged with the second gear is connected to the output end of the first motor.

[0011] Preferably, the moving mechanism comprises a fixed plate arranged in the sliding cavity, a toothed plate is fixedly connected to the side wall of the fixed plate, one end of the fixed plate is fixedly connected with the connecting plate, a toothed disc is rotatably connected to one end inside the sliding cavity through a rotating shaft, a second motor is fixedly connected to one end of the bottom side of the positioning seat, and the output end of the second motor is connected with the toothed disc.

[0012] Preferably, a limiting block is fixedly connected to one end of the bottom side of the fixed plate close to the connecting plate, and a limiting groove matched with the limiting block is formed in the bottom side inside the sliding cavity.

[0013] Preferably, the limiting block is T-shaped.

[0014] Preferably, universal wheels are arranged at the four corners of the bottom of the base.

[0015] The technical effects and advantages of the present application are as follows:

[0016] The design of the lifting assembly, the top plate, the rotating mechanism and the moving mechanism can drive the connecting plate to move the supporting frame on the positioning seat, and then the supporting frame pulls the screw conveyor to move, so that the screw conveyor can be extended outward to extend the feeding hopper to the steelmaking converter. By arranging the connecting shaft and the rotating mechanism, the connecting shaft can drive the positioning seat to rotate, so that the positioning seat drives the screw conveyor and the feeding hopper to rotate, so as to adjust the orientation of the feeding hopper, and then the precise positioning of the feeding hopper can be effectively realized to ensure the accuracy of the feeding position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a longitudinal sectional view of the screw conveyor and the top plate of the present application;

[0019] Figure 3 It is a schematic diagram of the internal structure of the positioning seat of the present application;

[0020] Figure 4 It is a longitudinal sectional view of the positioning seat of the present application;

[0021] Figure 5 It is a schematic diagram of the structure of the fixed plate of the present application;

[0022] Figure 6The utility model discloses a lifting assembly and top board front view cross section structure schematic diagram.

[0023] In the drawing: 1, base; 2, universal wheel; 3, lifting assembly; 31, hydraulic push rod; 32, vertical rod; 33, limit box; 34, limiting plate; 4, top plate; 5, connecting shaft; 6, positioning seat; 7, support frame; 8, screw conveyor; 9, discharge hopper; 10, storage cylinder; 11, first motor; 12, first gear; 13, second gear; 14, second motor; 15, toothed disc; 16, sliding cavity; 17, fixed plate; 18, toothed plate; 19, connecting plate; 20, limit block; 21, limit groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] The utility model provides a kind of auxiliary material adding device for steel converter as Figures 1-6 As shown in a kind of auxiliary material adding device for steel converter, comprising:

[0026] Base 1, the top of base 1 is equipped with lifting assembly 3, the top end of lifting assembly 3 is connected with top plate 4, the top of top plate 4 is rotatably connected with connecting shaft 5 by bearing, the top end of connecting shaft 5 is fixedly connected with positioning seat 6, and the bottom end of connecting shaft 5 is provided with rotating mechanism;

[0027] Screw conveyor 8, one end of screw conveyor 8 is fixedly connected with support frame 7, and one end of screw conveyor 8 bottom side is provided with discharge hopper 9, the other end of screw conveyor 8 top side is provided with storage cylinder 10, the top side of positioning seat 6 is provided with sliding cavity 16, one end of sliding cavity 16 is slidably connected with connecting plate 19, the bottom end of support frame 7 is fixedly connected with connecting plate 19, and mobile mechanism is arranged in the inside of sliding cavity 16, and the mobile mechanism is used to drive connecting plate 19 to move.

[0028] Specifically, lifting assembly 3 includes hydraulic push rod 31 fixedly connected at the top of base 1, the output end of hydraulic push rod 31 is fixedly connected with the bottom end of top plate 4, the bottom end of top plate 4 is fixedly connected with vertical rod 32, the top end of base 1 is fixedly connected with limit box 33, the top end of limit box 33 is provided with the round hole of vertical rod 32, and the bottom end of vertical rod 32 is fixedly connected with limiting plate 34.

[0029] Further, the hydraulic push rod 31 is an existing electric hydraulic push rod, the hydraulic push rod 31 is arranged at the middle of the top end of the base 1, the bottom end of the hydraulic push rod 31 is fixedly connected with the base 1 through bolts, the output end of the hydraulic push rod 31 is located at the middle of the bottom end of the top plate 4, and the output end is fixedly connected with the top plate 4 through bolts, four limiting boxes 33 are arranged, and the four limiting boxes 33 are symmetrically arranged at the four corners of the top end of the base 1, the bottom end of the limiting box 33 is welded and fixed with the top end of the base 1, the size of the circular hole is matched with the diameter of the vertical rod 32, the bottom end of the vertical rod 32 is welded and fixed with the part in contact with the limiting plate 34, the limiting plate 34 is arranged in the limiting box 33, the size of the limiting plate 34 is 1.5 times the size of the circular hole, the top end of the vertical rod 32 is bolted with the bottom end of the top plate 4, the vertical rod 32 is inserted in the limiting box 33, the shaking of the top plate 4 during vertical lifting can be prevented, and the limiting plate 34 and the limiting box 33 are arranged, so that the top end of the limiting plate 34 is attached to the top end of the inner wall of the limiting box 33, the movement of the vertical rod 32 can be limited, the lifting height of the top plate 4 is limited, the lifting height is limited by the height of the limiting box 33 and the length of the vertical rod 32, the hydraulic push rod 31 can select a longer stroke, according to the actual lifting height of the top plate 4, the height of the limiting box 33 and the length of the vertical rod 32 are designed, the top plate 4 is driven to rise and fall by the hydraulic push rod 31, so that the top plate 4 drives the screw conveyor 8 to rise and fall, so that the screw conveyor 8 is sent to a specified height, and then the discharge hopper 9 of the screw conveyor 8 can be extended to above the steelmaking converter, so as to send auxiliary materials into the steelmaking converter.

[0030] Specifically, the rotating mechanism includes a second gear 13 fixedly connected to the bottom end of the connecting shaft 5, and a first motor 11 fixedly connected to the bottom side of the top plate 4, wherein the output end of the first motor 11 is connected with a first gear 12 engaged with the second gear 13, the moving mechanism includes a fixed plate 17 arranged in the sliding cavity 16, wherein the side wall of the fixed plate 17 is fixedly connected with a toothed plate 18, and one end of the fixed plate 17 is fixedly connected with a connecting plate 19, and one end in the sliding cavity 16 is rotatably connected with a toothed disc 15 through a rotating shaft, and one end of the bottom side of the positioning seat 6 is fixedly connected with a second motor 14, and the output end of the second motor 14 is connected with the toothed disc 15.

[0031] Further, in use, the second motor 14 can drive the gear disc 15 to rotate, the gear disc 15 drives the gear plate 18 to move, then the gear plate 18 drives the fixed plate 17 to slide in the sliding cavity 16, so that the fixed plate 17 drives the support frame 7 to move through the connecting plate 19, then the support frame 7 drives the spiral conveyor 8 to move, so that the spiral conveyor 8 extends outward to extend the hopper 9 to the converter, the first motor 11 drives the first gear 12 to rotate, the first gear 12 drives the second gear 13 to rotate, then the second gear 13 drives the connecting shaft 5 to rotate, so that the connecting shaft 5 drives the positioning seat 6 to rotate, then the positioning seat 6 drives the spiral conveyor 8 to rotate through the support frame 7, so that the spiral conveyor 8 drives the hopper 9 to rotate to adjust the orientation of the hopper 9, under the cooperation of the above structure, the precise positioning of the hopper 9 can be effectively realized, the accuracy of the feeding position is ensured, and the wide range of feeding can be realized by controlling the spiral conveyor 8 to drive the hopper 9, the use effect of the device is greatly improved.

[0032] Specifically, the fixed plate 17 is fixedly connected with a limiting block 20 at one end close to the connecting plate 19 at the bottom side, the bottom side of the sliding cavity 16 is provided with a limiting groove 21 matched with the limiting block 20, the limiting block 20 is T-shaped, and the four corners of the bottom of the base 1 are respectively provided with universal wheels 2.

[0033] Further, the limiting block 20 and the limiting groove 21 can ensure the stability of the fixed plate 17 during movement, the T-shaped structure can prevent the fixed plate 17 from being separated, and the universal wheels 2 facilitate the movement of the device.

[0034] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for adding auxiliary materials to a steelmaking converter, characterized in that, Include: The base (1), the top of the base (1) is provided with lifting assembly (3), the top end of the lifting assembly (3) is connected with the top plate (4), the top of the top plate (4) is provided with connecting shaft (5), the top end of the connecting shaft (5) is fixedly connected with the positioning seat (6), and the bottom end of the connecting shaft (5) is provided with rotating mechanism; Screw conveyor (8), one end of the screw conveyor (8) is fixedly connected with support frame (7), and the bottom side of the screw conveyor (8) is provided with a discharge hopper (9), the other end of the screw conveyor (8) is provided with a storage cylinder (10), the top side of the positioning seat (6) is provided with a sliding cavity (16), one end of the sliding cavity (16) is slidably connected with the connecting plate (19), the bottom end of the support frame (7) is fixedly connected with the connecting plate (19), the inside of the sliding cavity (16) is provided with a moving mechanism, and the moving mechanism is used for driving the connecting plate (19) to move.

2. A device for adding auxiliary materials to a steelmaking vessel according to claim 1, characterized in that, The lifting assembly (3) includes a hydraulic push rod (31) fixedly connected to the top of the base (1), and the output end of the hydraulic push rod (31) is fixedly connected with the bottom end of the top plate (4).

3. A device for adding auxiliary materials to a steelmaking vessel according to claim 2, characterized in that, The bottom end of the top plate (4) is fixedly connected with a vertical rod (32), the top end of the base (1) is fixedly connected with a limiting box (33), the top end of the limiting box (33) is provided with a circular hole penetrating the vertical rod (32), and the bottom end of the vertical rod (32) is fixedly connected with a limiting plate (34).

4. A device for adding auxiliary materials to a steelmaking vessel according to claim 1, wherein The rotating mechanism includes a second gear (13) fixedly connected to the bottom end of the connecting shaft (5), the bottom side of the top plate (4) is fixedly connected with a first motor (11), the output end of the first motor (11) is connected with a first gear (12) engaged with the second gear (13).

5. A device for adding auxiliary materials to a steelmaking vessel according to claim 1, wherein The moving mechanism includes a fixed plate (17) arranged in the sliding cavity (16), the side wall of the fixed plate (17) is fixedly connected with a toothed plate (18), one end of the fixed plate (17) is fixedly connected with the connecting plate (19), one end in the sliding cavity (16) is rotatably connected with a toothed disc (15) through a rotating shaft, one end of the bottom side of the positioning seat (6) is fixedly connected with a second motor (14), and the output end of the second motor (14) is connected with the toothed disc (15).

6. A device for adding auxiliary materials to a steelmaking vessel according to claim 5, characterized in that, The bottom side of the fixed plate (17) is fixedly connected with a limiting block (20) close to one end of the connecting plate (19), and the bottom side of the inside of the sliding cavity (16) is provided with a limiting groove (21) matched with the limiting block (20).

7. A device for adding auxiliary materials to a steelmaking vessel according to claim 6, characterized in that, The limiting block (20) is T-shaped.

8. A device for adding auxiliary materials to a steelmaking vessel according to claim 1, characterized in that, The four corners of the bottom of the base (1) are respectively provided with universal wheels (2).

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