Electrode lifting appliance with folding function

Abstract

The utility model relates to the technical field of electric furnace auxiliary equipment, in particular to an electrode hanger with a folding function, which comprises a hanging part, the hanging part is connected with a connecting rod, the periphery of the connecting rod is provided with at least two claws, the claws are connected with the connecting rod in a hinged structure mode, and the connecting rod is provided with a limiting piece for closing the claws; the hook claws are designed to be of a folding structure, the corresponding number of hook claws can be opened according to the number required by work, the space occupation of other hook claws is reduced, the risk that the unused hook claws are hooked to other facilities in the lifting process is reduced, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric furnace auxiliary equipment, in particular to an electrode lifting appliance with folding function. BACKGROUND

[0002] The utility model discloses a special tool for replacing electrode of electric furnace, including hanging ring, cylinder connecting portion, spring and hook, the hanging ring has connecting rod, the connecting rod is inserted from the cylinder connecting portion one end, the spring is arranged in the cylinder connecting portion inside and is set on the connecting rod, the cylinder connecting portion and connecting rod all are provided with limiting portion, and two limiting portions are connected at the both ends of spring respectively, the hook is set in the other end of cylinder connecting portion, and the hook has a plurality of hook heads that are symmetrically arranged around the central axis. The plurality of symmetrically arranged hook heads of the special tool can be directly hung into the electrode lifting appliance, without manual alignment, so that the manual furnace cover electrode hanging operation is avoided, and the safety risk in the electrode replacement process is completely eliminated.

[0003] The patent has multiple hook heads, which increases the risk of hooking other facilities during lifting, easily causing the electrode to unhook, and has a large safety hazard. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of electrode lifting appliance with folding function, and the technical problems solved are: increase the risk of hooking other facilities by hook head, easily cause the electrode to unhook, and have a large safety hazard.To solve the above technical problems, the technical scheme adopted by the utility model is:

[0005] A kind of electrode lifting appliance with folding function, characterized by comprising:

[0006] hanging part;

[0007] connecting rod, one end of connecting rod is connected with hanging part;

[0008] claw, at least two claws are arranged on the outer periphery of connecting rod, and claw is connected with connecting rod by hinged structure;

[0009] limiting piece for closing claw, limiting piece is connected with connecting rod.

[0010] Further, the hanging part includes a lifting seat, the lifting seat is provided with a cylinder by a fixed structure, an inner spring is arranged vertically in the cylinder, an outer spring is sleeved outside the inner spring, and the length of the outer spring is less than that of the inner spring;

[0011] The upper part of the connecting rod extends upward through the side wall of the cylinder and the inner spring, and the upper part of the connecting rod is provided with a limiting cap for compressing the inner spring and the outer spring by a fixed structure.

[0012] Further, the lower circumferential wall of the connecting rod is provided with a stand in a fixed structure, the lower part of the stand is connected to the hook in a hinged structure, the hook is provided with a protrusion in a fixed structure, and the protrusion is in contact with the side wall of the connecting rod in the open state.

[0013] Further, the limiting member comprises a rod connected to the connecting rod in a fixed structure, and the rod is provided with a buckle for limiting the hook.

[0014] Further, the outer wall of the upper end of the hook is provided with a clamping groove for clamping the buckle.

[0015] The beneficial effects of the utility model are that the hook is designed to have a folding structure, a corresponding number of hooks are opened according to the number of work requirements, the occupation of space of other hooks is reduced, the risk of the unused hook head being hooked to other facilities in the hoisting process is reduced, and the safety is improved.

[0016] The inner spring and the outer spring are sleeved to form a double-spring design, so that a larger load can be carried in a smaller cylindrical space, the damage of the spring is reduced, and the stability of hoisting is improved. DRAWINGS:

[0017] Figure 1 is a front view structural schematic diagram of the utility model hook in the fully open state.

[0018] Figure 2 is a bottom view structural schematic diagram of the utility model hook in the fully open state.

[0019] Figure 3 is a front view structural schematic diagram of the utility model hook in the fully closed state.

[0020] Figure 4 is a three-dimensional structural schematic diagram of the utility model hook.

[0021] IN THE DRAWINGS:

[0022] 1, hanging part, 2, connecting rod, 3, hook, 4, rod, 5, hanging seat, 6, cylinder, 7, inner spring, 8, outer spring, 9, limiting cover, 10, stand, 11, protrusion, 12, buckle, 13, clamping groove. CONCRETE IMPLEMENTATION:

[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail with reference to the drawings and the following examples, so that the public can better master the implementation method of the utility model, and the specific implementation scheme of the utility model is as follows:

[0024] The utility model provides an electrode lifting appliance with folding function, including the department 1 of hanging, the connecting rod 2 is connected with the department 1 of hanging, at least two claws 3 are arranged on the circumference of connecting rod 2, and the connecting rod 2 is connected with the claw 3 through the hinge structure mode, and the connecting rod 2 is provided with the limiting piece for closing the claw 3, the claw 3 is designed to have the structure of folding, and the corresponding number of claws 3 is opened according to the number of work needs, which reduces the occupation of other claws 3 in space, reduces the risk of being hooked to other facilities in the hoisting process of unused claws, and improves the safety.

[0025] Specifically, the hanging part 1 includes a lifting seat 5, the lifting seat 5 is provided with a cylinder 6 through a fixed structure, an inner spring 7 is arranged vertically in the cylinder 6, an outer spring 8 is sleeved outside the inner spring 7, the length of the outer spring 8 is less than the length of the inner spring 7, and the cross-sectional diameter of the outer spring 8 is greater than the diameter of the inner spring 7; the inner spring 7 and the outer spring 8 are sleeved to form a double-spring design, which can bear larger load in the smaller cylinder 6 space, reduces the damage of the spring, and improves the stability of hoisting.

[0026] It should be noted that the upper part of the connecting rod 2 extends upward through the side wall of the cylinder 6 and the inner spring 7, and the upper part of the connecting rod 2 is provided with a limiting cover 9 for compressing the inner spring 7 and the outer spring 8 in a fixed structure. During hoisting, the force received by the connecting rod 2 is transmitted to the spring through the limiting cover 9, so that the spring deforms.

[0027] Further, the circumferential wall of the lower part of the connecting rod 2 is provided with a stand 10 in a fixed structure, and the stand 10 is connected with the connecting rod 2 by full welding. The provision of the stand 10 increases the welding area and improves the structural stability.

[0028] It should be noted that the lower part of the stand 10 is connected with the claw 3 through a hinge structure, and the claw 3 is provided with a protrusion 11 in a fixed structure. When the claw 3 is in an open state, the protrusion 11 abuts against the side wall of the connecting rod 2, and the opening angle of the claw is limited by the protrusion 11, so that the included angle between the claw 3 and the connecting rod 2 is acute, and the electrode is prevented from falling off.

[0029] Specifically, the limiting member includes a rod member 4 connected with the connecting rod 2 in a fixed structure, and the rod member 4 is provided with a buckle 12 for limiting the claw 3. The outer wall of the upper end of the claw 3 is provided with a clamping groove 13 for clamping the buckle 12, and the buckle 12 is clamped in the clamping groove 13 to close the claw 3.

[0030] The working principle and working process of the utility model are as follows:

[0031] In the process of changing the electrode, the sling hook on the travelling crane is hooked into the hanging seat 5, one of the buckles 12 is opened, the limitation on the hook claw 3 is released, the electrode is hung by the hook claw 3, the force is transmitted to the connecting rod 2 through the hook claw 3 during lifting, the inner spring 7 is compressed first and then the outer spring 8 is compressed through the limiting cover 9, and then the electrode is lifted, and the other hook claws 3 are in the locked state, so that the risk of hooking the hook to other facilities during lifting is reduced.

[0032] In the description of the utility model, it is understood that the directions or position relations of the terms "center", "upper", "lower", "left", "right", "front", "rear", "left lower", "right upper", "outer", "clockwise", "counterclockwise" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the protection scope of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Although the utility model is described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of the utility model described herein.

Claims

1. An electrode lifting device with a folding function, characterized in that, include: Hanging part (1); Connecting rod (2), one end of which is connected to the hanging part (1); At least two hooks (3) are provided on the outer periphery of the connecting rod (2), and the hooks (3) are connected to the connecting rod (2) by a hinge structure. A limiting element for closing the claw (3) is connected to the connecting rod (2).

2. The electrode lifting device with folding function according to claim 1, characterized in that: The hanging part (1) includes a hanging seat (5), and the hanging seat (5) is provided with a cylinder (6) by means of a fixed structure. An inner spring (7) is provided vertically inside the cylinder (6), and an outer spring (8) is sleeved outside the inner spring (7). The length of the outer spring (8) is less than the length of the inner spring (7). The upper part of the connecting rod (2) extends upward through the side wall of the cylinder (6) and the inner spring (7), and the upper part of the connecting rod (2) is provided with a limiting cover (9) for compressing the inner spring (7) and the outer spring (8) in a fixed structure.

3. The electrode lifting device with folding function according to claim 1, characterized in that: The lower circumferential wall of the connecting rod (2) is provided with a column (10) in a fixed structure. The lower part of the column (10) is connected to the hook (3) in a hinge structure. The hook (3) is provided with a protrusion (11) in a fixed structure. When the hook (3) is open, the protrusion (11) abuts against the side wall of the connecting rod (2).

4. The electrode lifting device with folding function according to claim 3, characterized in that: The limiting component includes a rod (4) that is fixedly connected to the connecting rod (2), and the rod (4) is provided with a buckle (12) for limiting the hook (3).

5. The electrode lifting device with folding function according to claim 4, characterized in that: The upper outer wall of the hook (3) is provided with a slot (13) for the buckle (12) to engage.

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