CN214675760U

CN214675760U - Electrode fixing device

Info

Publication number: CN214675760U
Application number: CN202120199988.4U
Authority: CN
Inventors: 陈俊东; 高锰; 杨丽; 关晓光; 马美英; 霍璐; 赵永娟
Original assignee: Tangshan Vocational And Technical College; Tangshan Iron and Steel Group Co Ltd
Current assignee: Tangshan Vocational And Technical College; Tangshan Iron and Steel Group Co Ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-09
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to an electrode fixing device belongs to smelting equipment technical field. Including solid fixed cylinder (3), chucking device, gu fixed cylinder (3) are steel construction section of thick bamboo, and the lateral wall is provided with handle hole (8), chucking device is including calorie wheel (5), handle (4), support (7), rotation axis (6), calorie wheel (5) are the steel sheet structure, and the profile is circular-arc cam, handle (4) are the steel construction, and one end fixed connection is on calorie wheel (5) lateral wall, and the terminal fixed connection of calorie wheel (5) is on handle (4), support (7) are L shaped steel plate structure, and the perpendicular fixed connection of one end is on solid fixed cylinder (3) lateral wall along under handle hole (8), calorie wheel (5) and support (7) hinge joint, the protruding end of calorie wheel (5) towards solid fixed cylinder (3) inner chamber. The utility model discloses simple structure, low cost, simple to operate can effectively implement the fixed to the handling electrode, improve the operating efficiency of electrode extension operation.

Description

Electrode fixing device

Technical Field

The utility model relates to an electrode fixing device belongs to smelting equipment technical field.

Background

During steel making production, electrodes are used in an LF furnace or an electric furnace to heat molten steel. With the continuous progress of the technology, the quantity of molten steel smelted in each furnace is continuously increased, and the heating power required to be provided for the molten steel by the electrode is continuously increased. The demand for high efficiency steel making has led to an increasing diameter of electrodes for LF or electric furnaces. 150 ton LF furnaces require electrodes with a diameter of more than 400 mm. The electrode is shortened due to continuous consumption in the production process, and the shortened electrode needs to be prolonged by connecting the shortened electrode with a new electrode end to end. The electrode is powered by a high-voltage power supply, and the electrode is required to be operated far away from a high-voltage charged body when being connected with the electrode. The environment for steel making is generally severe, and the site is narrow. In the process of electrode connection, in order to prevent electric shock accidents during electrode connection, a large amount of manpower and material resources are needed to ensure the safety of electrode connection operation, but the operation efficiency is reduced, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electrode fixing device is provided, the fixed operation to the electrode when realizing electrode extension operation. The electrode connected with the electrode extension is hoisted to an electrode connecting station by a crown block or an electric hoist. The electrode is separated from the steelmaking power supply at the electrode connecting station, so that the occurrence of electric shock accidents can be effectively prevented when the electrode is connected. In the electrode connection operation, the electrode to be connected (the electrode whose length is shortened after consumption) is usually in a red hot state, and the electrode to be connected is required to be quickly fixed in terms of process.

The technical scheme of the utility model is that: the utility model provides an electrode fixing device, includes a fixed section of thick bamboo, chucking device, a fixed section of thick bamboo is a steel construction section of thick bamboo, and the lateral wall is provided with the handle hole, chucking device is including calorie wheel, handle, support, rotation axis, the card wheel is the steel sheet structure, and the profile is circular-arc cam, is provided with the hinge hole on the cam, the handle is the steel construction, and one end fixed connection is on calorie lateral wall, and the terminal fixed connection of card wheel is on the handle, the support is L shaped steel plate structure, and the perpendicular fixed connection of one end is on the fixed section of thick bamboo lateral wall on edge under the handle hole, the card wheel passes through rotation axis and hinge hole assembly, realizes being connected with the support hinge, and the bulge end of card wheel is towards a fixed section of thick bamboo inner chamber.

The difference between the diameter of the inner cavity of the fixed cylinder and the outer diameter of the electrode is 20-100 mm.

The contour of the clamping wheel is involute, and the diameter of a base circle of the involute is 50-100 mm.

The outer contour of the clamping wheel is provided with a slip-resistant plate, and slip-resistant patterns are arranged on the slip-resistant plate.

The clamping devices are provided with 1-3 sets and are arranged on the same horizontal plane, and the distances between the clamping devices are equal.

The hinged position of the clamping wheel and the support is the center of a base circle of an involute, and the extension line of the central line of the handle passes through the center of the base circle.

The utility model has the advantages that: the utility model discloses simple structure, low cost, simple to operate can effectively implement the fixed to the handling electrode, improve the operating efficiency of electrode extension operation, have spreading value.

Drawings

FIG. 1 is a schematic cross-sectional view of the device of the present invention;

FIG. 2 is a top view of the device of the present invention;

FIG. 3 is a schematic view of the clamping wheel of the device of the present invention;

FIG. 4 is a cross-sectional view of the clamping wheel of the device of the present invention;

labeled as: the electrode comprises a lifting ring 1, an electrode 2, a fixed cylinder 3, a handle 4, a clamping wheel 5, a bolt 6, a bracket 7, an operation hole 8, a hinge shaft hole 9 and a non-slip plate 10.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

As shown in the accompanying drawings, an electrode fixing device comprises a fixing barrel 3 and a clamping device, wherein the fixing barrel 3 is a steel structure barrel, an operation hole 8 is formed in the side wall of the fixing barrel, the clamping device comprises a clamping wheel 5, a handle 4, a support 7 and a rotating shaft 6, the clamping wheel 5 is of a steel plate structure, the outline of the clamping wheel is an arc-shaped cam, a hinge shaft hole 9 is formed in the cam, the handle 4 is of a steel structure, one end of the clamping wheel is fixedly connected to the side wall of the clamping wheel 5, the tail end of the clamping wheel 5 is fixedly connected to the handle 4, the support 7 is of an L-shaped steel plate structure, one end of the support is fixedly connected to the side wall of the fixing barrel 3 on the lower edge of the operation hole 8, the clamping wheel 5 is assembled with the hinge shaft hole 9 through the rotating shaft 6, the hinge shaft connection with the support 7 is achieved, and the protruding end of the clamping wheel 5 faces towards the inner cavity of the fixing barrel 3. The difference between the diameter of the inner cavity of the fixed cylinder 3 and the outer diameter of the electrode 2 is 23 mm. The contour of the clamping wheel 5 is involute, and the diameter of a base circle of an involute is 55 mm. The outer contour of the clamping wheel 5 is provided with a non-slip plate 10, and the non-slip plate 10 is provided with non-slip patterns. The clamping device is provided with 2 sets which are arranged on the same horizontal plane and have equal distance with each other. The hinged position of the clamping wheel 5 and the support 7 is the center of a base circle of an involute, and the extension line of the central line of the handle 4 passes through the center of the base circle.

When electrode hoist and mount operation, hang electrode 2 to the fixed cylinder 3 inside, workman's both hands promote 2 handles 4 upwards simultaneously, make two card wheels 5 promote electrode 2 and fixed cylinder 3 in close contact with (require to promote handle 4 upwards in step, the highly uniform that 2 handles 4 lifted up), 2 cards of electrode are between fixed

cylinder

3 and 2 card wheels 5 at this moment. Then the rope for hoisting the electrode 2 is removed, the handle 4 is loosened by two hands, and the electrode 2 is clamped between the fixed cylinder 3 and the 2 clamping wheels 5. The electrode 2 is subjected to downward gravity and upward friction, and according to the principle of acting force and reaction force, the two clamping wheels 5 are subjected to downward friction, and the downward friction enables the clamping wheels 5 to have torque rotating around the bolt 6 in the counterclockwise direction. According to the nature of gradually bursting at the seams, when card wheel 5 anticlockwise rotated, self base circle was kept away from to the point that card wheel 5 and electrode 2 contacted, was close to electrode 2 central line, and to electrode 2's pressure increase, the ascending frictional force that leads to electrode 2 to receive increased until frictional force and electrode 2's self gravity balance, and cylindrical electrode 2 is blocked in fixed cylinder 3 promptly, can not move down, realizes firmly fixing to electrode.

Claims

1. An electrode fixing device is characterized by comprising a fixing cylinder (3) and a clamping device, the fixed cylinder (3) is a steel structure cylinder, the side wall of the fixed cylinder is provided with an operation hole (8), the clamping device comprises a clamping wheel (5), a handle (4), a bracket (7) and a rotating shaft (6), the clamping wheel (5) is of a steel plate structure, the outline of the clamping wheel is an arc-shaped cam, a hinge shaft hole (9) is arranged on the cam, the handle (4) is of a steel structure, one end of the handle is fixedly connected to the side wall of the clamping wheel (5), the tail end of the clamping wheel (5) is fixedly connected to the handle (4), the support (7) is of an L-shaped steel plate structure, one end of the support is vertically and fixedly connected to the side wall of the fixed cylinder (3) at the lower edge of the operation hole (8), the clamping wheel (5) is assembled with the hinge shaft hole (9) through the rotating shaft (6) to be connected with the hinge shaft of the support (7), and the protruding end of the clamping wheel (5) faces the inner cavity of the fixed cylinder (3).

2. The electrode holding device according to claim 1, wherein the difference between the diameter of the inner cavity of the holding cylinder (3) and the outer diameter of the electrode (2) is 20 to 100 mm.

3. The electrode fixing device as claimed in claim 1, wherein the contour of the click wheel (5) is an involute shape having a base circle diameter of 50 to 100 mm.

4. The electrode fixing device as claimed in claim 1, wherein the outer contour of the clamping wheel (5) is provided with a slip-preventing plate (10), and the slip-preventing plate (10) is provided with a slip-preventing pattern.

5. The electrode fixing device as claimed in claim 1, wherein the clamping means has 1 to 3 sets disposed at the same horizontal plane with equal distances therebetween.

6. The electrode fixing device as claimed in claim 3, wherein the hinged position of the clamping wheel (5) and the bracket (7) is the center of a base circle of an involute, and the extension line of the central line of the handle (4) passes through the center of the base circle.