Capping device for torpedo type hot-metal ladle opening feeding

Abstract

The utility model discloses a torpedo type hot-metal ladle mouth feeding capping device which comprises a gantry frame, a rail is installed at the upper end of the gantry frame, the gantry frame is lifted or descended through a lifting mechanism to achieve cap taking or placing operation, and a movable conical hopper is arranged in the rail and connected with a walking mechanism to enable the movable conical hopper to move along with the walking mechanism. Flexible switching of the positions of the grabbing mechanism and the movable conical hopper is achieved through the walking mechanism. When scrap steel needs to be added, firstly, the lifting mechanism and the grabbing mechanism are cooperatively operated, a heat preservation cover on the torpedo type hot-metal bottle is taken down, and then the movable cone hopper is accurately positioned to a bottle opening of the hot-metal bottle through the walking mechanism to enter a scrap steel adding state. And after steel scrap adding is completed, the walking mechanism is started again, the heat preservation cover carried by the grabbing mechanism is conveyed to a pouring opening of the hot-metal bottle, finally, the pouring opening is covered with the heat preservation cover through the lifting mechanism, and the continuity and preciseness of operation are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of torpedo ladle capping technology, specifically to a capping device for feeding torpedo-type molten iron ladle. Background Technology

[0002] In recent years, with the increasing output of scrap steel resources, improving the scrap ratio in steelmaking processes, reducing steelmaking costs, and increasing economic benefits have become a consensus in the steel industry. Scrap steel is a recyclable iron resource; increasing the scrap ratio can significantly reduce environmental pollution and overall energy consumption, thereby improving the economic efficiency of steel plants. Current measures to increase the scrap ratio in steel plants include: adding scrap steel to the blast furnace, adding scrap steel during tapping (blast furnace tapping area), adding scrap steel to the molten iron ladle for preheating, adding scrap steel to the scrap steel trough and preheating it, and adding scrap steel and preheating it after the furnace. Among these, adding scrap steel to the molten iron ladle is a simple and efficient method, with low investment and high efficiency, while also making full use of the high-temperature molten iron to preheat and melt the scrap steel.

[0003] Currently, in order to prevent temperature loss, heat insulation covers are generally installed at the mouth of molten iron ladles on railway transport lines. Before adding scrap steel, the heat insulation cover needs to be removed by a pick-and-place device. After the scrap steel is added, the heat insulation cover needs to be replaced at the mouth in time. There is no improvement in the existing technology for the process of adding scrap steel. Therefore, a torpedo-type molten iron ladle mouth covering device is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a capping device for feeding molten iron into a torpedo-type ladle, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cover device for feeding molten iron in a torpedo-type ladle, comprising a gantry frame, wherein a track is installed on the upper end of the gantry frame;

[0006] The traveling mechanism is installed in the track and moves along its trajectory;

[0007] The lifting mechanism is installed on the traveling mechanism and moves with the traveling mechanism.

[0008] The gripping mechanism, connected to the lifting mechanism, is used to grip the heat-insulating cover of the torpedo-type molten iron ladle. The lifting mechanism raises or lowers the cover to achieve the operation of taking off or placing the cover.

[0009] A movable cone bucket is set in a track and connected to a traveling mechanism, allowing it to move with the traveling mechanism.

[0010] The walking mechanism drives the gripping mechanism and the moving cone bucket to slide within the track to switch positions, realizing the feeding after lifting the cover and the unloading after feeding.

[0011] Preferably, a limiting block is installed on the outer wall of the movable cone bucket. The limiting block abuts against the longitudinal end of the gantry frame to limit the gripping mechanism, so that it corresponds to the filling port of the torpedo-type molten iron ladle.

[0012] Preferably, the movable cone bucket includes a sliding frame slidably disposed within a track, and a discharge funnel is installed on the sliding frame.

[0013] Preferably, a connecting plate is installed between the sliding frame and the traveling mechanism.

[0014] Preferably, a protective plate is installed on the gantry frame, and the protective plate has a feeding port that matches the upper opening of the material pouring funnel.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: A capping device for feeding torpedo-type molten iron ladle, through a set walking mechanism, can drive the lifting mechanism and the grabbing mechanism to move within the track, so that they move to the upper end of the torpedo-type molten iron ladle on the railway molten iron transport line. The grabbing mechanism clamps the heat preservation cap and then lifts it. Through a set connecting plate, the moving cone bucket is connected to the walking mechanism, and then the moving mechanism drives the moving cone bucket to move during the movement of the walking mechanism. After the heat preservation cap is lifted, the moving cone bucket is moved to the upper end of the torpedo-type molten iron ladle opening, so that scrap steel can enter the torpedo-type molten iron ladle through the moving cone bucket. Through a set limiting block, the movement of the walking mechanism can be limited, and the position of the grabbing mechanism can also be limited. When the limiting block abuts against the longitudinal side end of the gantry frame, the lifting mechanism and the grabbing mechanism are located at the upper end of the heat preservation cap of the torpedo-type molten iron ladle. This utility model realizes flexible switching between the positions of the grabbing mechanism and the moving cone bucket through the walking mechanism. When scrap steel needs to be added, the lifting and grabbing mechanisms work together to remove the insulating cover from the torpedo-shaped molten iron ladle. Then, the traveling mechanism precisely positions the moving conical bucket at the ladle's filling opening, initiating the scrap steel addition process. After scrap steel addition is complete, the traveling mechanism restarts, delivering the insulating cover carried by the grabbing mechanism to the ladle's filling opening. Finally, the lifting mechanism places the insulating cover over the opening, ensuring the continuity and precision of the operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a side sectional view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the lid removal or lid placement state of this utility model;

[0019] Figure 4 This is a schematic diagram of the scrap steel addition process according to this utility model;

[0020] Figure 5 This is a top view of the movable cone bucket structure of this utility model.

[0021] In the diagram: 1-Gantry frame, 2-Railway, 3-Walking mechanism, 4-Lifting mechanism, 5-Grabbing mechanism, 6-Moving cone bucket, 61-Sliding frame, 62-Discharge hopper, 7-Limit stop, 8-Connecting plate, 9-Protective plate, 10-Discharge port. Detailed Implementation

[0022] 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 embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Please see Figure 1-5 This utility model provides a technical solution: a cover device for feeding molten iron in a torpedo-type ladle, including a gantry frame 1, with a track 2 installed on the upper end of the gantry frame 1;

[0024] The traveling mechanism 3 is installed within the track 2 and moves along its trajectory;

[0025] The lifting mechanism 4 is installed on the traveling mechanism 3 and moves with the traveling mechanism 3.

[0026] The grabbing mechanism 5 is connected to the lifting mechanism 4 and is used to grab the heat-insulating cover of the torpedo-type molten iron ladle. The lifting mechanism 5 lifts or lowers the cover to realize the operation of taking off or placing the cover.

[0027] The movable cone bucket 6 is set in the track 2 and connected to the traveling mechanism 3, so that it moves with the traveling mechanism 3;

[0028] The walking mechanism 3 drives the gripping mechanism 5 and the moving cone 6 to slide within the track 2 to switch positions, thereby realizing the feeding after lifting the cover and the unloading after feeding.

[0029] The outer side wall of the movable cone bucket 6 is equipped with a limiting block 7. The limiting block 7 abuts against the longitudinal end of the gantry frame 1 to limit the gripping mechanism 5, so that it corresponds to the filling port of the torpedo-type molten iron ladle.

[0030] The movable cone bucket 6 includes a sliding frame 61 slidably disposed within the track 2, a material pouring funnel 62 mounted on the sliding frame 61, and auxiliary pulleys that slide within the track 2 mounted on the sliding frame 61.

[0031] A connecting plate 8 is installed between the sliding frame 61 and the walking mechanism 3.

[0032] A protective plate 9 is installed on the gantry frame 1, and the protective plate 9 has a feeding port 10 that matches the upper opening of the material pouring funnel 62.

[0033] The gripping mechanism 5 includes a mechanical claw, a telescopic mechanism, a mechanical claw guide rail, wheels, and a frame. The mechanical claw guide rail is mounted on the frame, and the wheels are mounted on both longitudinal sides of the mechanical claw and slide within the mechanical claw guide rail. The telescopic mechanism is installed between the two mechanical claws. When the telescopic mechanism is activated, it controls the mechanical claw to move linearly within the mechanical claw guide rail, thereby gripping the clamping cap on the insulation cover. This facilitates the removal of the insulation cover from the filling port of the torpedo-type molten iron ladle, and makes it easier to feed scrap steel into the ladle.

[0034] The gripping mechanism 5 also includes hooks installed on both sides of the frame.

[0035] The lifting mechanism 4 includes a mounting frame, a motor, a first commutator, a second commutator, a coupling, four rotating wheels, four auxiliary wheels, and a hinge. The mounting frame is connected to the traveling mechanism. Two symmetrically arranged rotating wheels are rotatably connected to the mounting frame via rotating shafts. The four rotating wheels correspond to the positions of the lugs on the gripping mechanism. The output end of the motor is connected to the first commutator. The second commutator is connected to the rotating shaft of the rotating wheel via a coupling. The first commutator and the second commutator are connected to each other via a coupling. One end of the hinge is connected to the rotating wheel and wound around it. The auxiliary wheels are rotatably mounted on the mounting frame and correspond to the rotating wheels. The hinge extends vertically downwards around the surface of the auxiliary wheels and connects to the lugs on the gripping mechanism 5.

[0036] The first commutator is a T-type commutator.

[0037] Working principle: In the initial state of the device, the grabbing mechanism 5 is positioned above the filling port of the torpedo-type molten iron ladle on the railway transport line. The limiting block 7 is in close contact with the longitudinal end of the gantry frame 1. When the torpedo-type molten iron ladle is transported to the designated position along the railway transport line and scrap steel needs to be added to the ladle, the lifting mechanism 4 is activated to lower the grabbing mechanism 5 and grab the insulation cover. Then, the lifting mechanism 4 lifts the insulation cover and removes it from the filling port. The traveling mechanism 3 then drives the insulation cover and the moving cone 6 to move, so that the moving cone 6 moves above the filling port. At this time, the feeding port 10 is aligned with the upper end of the moving cone 6, and scrap steel can be added.

[0038] After the scrap steel is added, the walking mechanism 3 operates in reverse, driving the moving cone bucket 6 and the grabbing mechanism 5 to reset, so that the heat preservation cover returns to the top of the filling port. Through the lowering action of the lifting mechanism 4, the heat preservation cover is released by the grabbing mechanism 5, so that it accurately covers the filling port, effectively preventing the temperature inside the torpedo-type molten iron ladle from dissipating.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A capping device for feeding molten iron into a torpedo-type ladle, characterized in that: Includes a gantry frame, with a track installed at the upper end of the gantry frame; The traveling mechanism is installed in the track and moves along its trajectory; The lifting mechanism is installed on the traveling mechanism and moves with the traveling mechanism. The gripping mechanism, connected to the lifting mechanism, is used to grip the heat-insulating cover of the torpedo-type molten iron ladle. The lifting mechanism raises or lowers the ladle to achieve the operation of taking or placing the cover. A movable cone bucket is set in a track and connected to a traveling mechanism, allowing it to move with the traveling mechanism. The walking mechanism drives the gripping mechanism and the moving cone bucket to slide within the track to switch positions, realizing the feeding after lifting the cover and the unloading after feeding.

2. The capping device for feeding molten iron into a torpedo-type ladle according to claim 1, characterized in that: The outer wall of the movable cone bucket is equipped with a limit block. The limit block abuts against the longitudinal end of the gantry frame to limit the gripping mechanism, so that it corresponds to the filling port of the torpedo-type molten iron ladle.

3. The capping device for feeding torpedo-type molten iron ladle according to claim 2, characterized in that: The movable cone bucket includes a sliding frame slidably disposed within a track, and a material pouring funnel is installed on the sliding frame.

4. The capping device for feeding torpedo-type molten iron ladle according to claim 3, characterized in that: A connecting plate is installed between the sliding frame and the walking mechanism.

5. The capping device for feeding torpedo-type molten iron ladle according to claim 3, characterized in that: The gantry frame is equipped with a protective plate, and the protective plate has a feeding port that matches the upper opening of the material pouring funnel.

Images