CN215786719U

CN215786719U - Automatic temperature measuring device for molten iron in ladle

Info

Publication number: CN215786719U
Application number: CN202122051774.5U
Authority: CN
Inventors: 李新波; 怀其冬; 刘荣生; 李海洋; 苏庆林; 蒋毅
Original assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Current assignee: Shandong Iron and Steel Group Yongfeng Lingang Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-11
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an automatic temperature measuring device for molten iron in a ladle, which comprises a portal frame, wherein a sliding plate is arranged in the portal frame in a sliding manner, the outer side end of the portal frame is provided with a hoisting mechanism, the hoisting end of the hoisting mechanism is provided with a steel wire rope, the portal frame is provided with a guide port, the steel wire rope penetrates through the guide port, the extending end of the steel wire rope is fixedly connected with the sliding plate, the sliding plate is fixedly provided with an air cylinder, the free end of the air cylinder is fixedly provided with a temperature measuring gun, the temperature measuring gun is fixedly provided with a thermocouple, the sliding plate is provided with a pair of connecting rods, and the two connecting rods are respectively connected with an electrode. The winch is controlled to work, the temperature measurement operation is automatically completed, manual molten iron temperature measurement is changed into mechanical automatic molten iron temperature measurement, so that the safety and convenience are realized, the operation efficiency can be effectively improved, the situation that workers need to operate when a molten iron ladle measures the molten iron temperature is avoided, the labor intensity is high, the situation that the molten iron splashes to cause scalding during temperature measurement is avoided, and potential safety hazards exist; low working efficiency and the like.

Description

Automatic temperature measuring device for molten iron in ladle

Technical Field

The utility model relates to the technical field of metallurgical industry, in particular to an automatic temperature measuring device for molten iron in a ladle.

Background

The pretreatment of the molten iron aims at reducing the content of impurities in the molten iron before the steel making of a converter, wherein temperature measurement sampling is an important process in the pretreatment process of the molten iron, and the purpose of measuring and sampling the temperature of the molten iron to obtain the temperature of the molten iron and the content of components of the molten iron is an important basis for the operation of the pretreatment process of the molten iron.

At present, the temperature measurement of molten iron of a plurality of iron and steel enterprises is carried out by manually using a temperature measuring gun to measure the temperature of the molten iron, and the mode of measuring the temperature of the molten iron comprises the following steps: 1. the operation is carried out by staff, and the labor intensity is high; 2. the scalding caused by the splashing of molten iron occurs during temperature measurement, and potential safety hazards exist; 3. in view of the low operation efficiency, we propose an automatic temperature measuring device for molten iron in a ladle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic temperature measuring device for molten iron in a ladle.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an automatic temperature measuring device of molten iron in ladle, includes the portal, slidable mounting has the slide in the portal, portal outside end is equipped with hoist mechanism, and hoist mechanism's hoist end installs wire rope, be equipped with the guide port on the portal, wire rope runs through the guide port, and extends end and slide fixed connection, fixed mounting has the cylinder on the slide, and cylinder free end fixed mounting has the temperature measurement rifle, fixed mounting has the thermocouple on the temperature measurement rifle, be equipped with the connecting rod in pairs on the slide, connect the electrode on two connecting rods respectively, be equipped with the insulation board between connecting rod and the electrode, and the insulation board passes through corresponding connecting rod of bolt fixed connection and electrode.

Preferably, the hoisting mechanism comprises a hoisting machine hoist, a hoisting machine speed reducer and a hoisting machine motor, the shaft end of the hoisting machine hoist is linked with the output end of the hoisting machine motor, the output end of the hoisting machine motor is linked with the output end of the hoisting machine speed reducer, and the steel wire rope is fixed on a roller of the hoisting machine hoist.

Preferably, the top end of the gantry is provided with a guide mechanism, the guide mechanism comprises paired fixed pulleys, the two fixed pulleys are respectively over against the hoisting mechanism and a guide port on the gantry on a vertical plane, and the steel wire rope sequentially bypasses the two fixed pulleys.

Preferably, the two ends of the inner side of the door frame are respectively and fixedly provided with a sliding rail, and the two ends of the sliding plate respectively extend into the two sliding rails and can slide along the inner walls of the corresponding sliding rails.

Preferably, both sides at both ends of the sliding plate are provided with ball grooves, balls are arranged in the ball grooves, the balls can rotate along the inner groove walls of the ball grooves, and the balls are attached to the inner walls of the corresponding sliding rails.

Preferably, the portal is located the interior fixed mounting of wall of leading and has spacing cover, and lies in spacing cover side fixed mounting on the portal and have electric telescopic handle, electric telescopic handle free end sets up towards spacing cover one side, and fixed mounting has the briquetting on the free end.

Preferably, the pressing block is a sphere, and the inner cover surface of the limiting cover is a curved surface matched with the sphere.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, an operator controls the winch to work, and automatically finishes temperature measurement operation, so that manual molten iron temperature measurement is changed into mechanical automatic molten iron temperature measurement, the safety and convenience are realized, the operation efficiency can be effectively improved, the situation that workers need to operate when a ladle measures the molten iron temperature is avoided, the labor intensity is high, scalding caused by molten iron splashing during temperature measurement is avoided, and potential safety hazards exist; low working efficiency and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an apparatus for automatically measuring temperature of molten iron in a ladle according to the present invention;

FIG. 2 is a schematic view of an upper slide plate mounting structure of a slide rail of an automatic temperature measuring device for molten iron in a ladle according to the present invention;

FIG. 3 is a schematic diagram of an anti-falling structure of an upper sliding plate of a gantry of the automatic temperature measuring device for molten iron in a ladle.

In the figure: 1 portal, 2 slide rails, 3 sliding plates, 4 cylinders, 5 hoisting mechanisms, 51 mounting plates, 52 hoisting machines, 53 hoisting machine speed reducers, 54 hoisting machine motors, 6 steel wire ropes, 7 fixed pulleys, 8 temperature measuring guns, 9 thermocouple, 10 connecting rods, 11 insulating plates, 12 electrodes, 13 sliding balls, 14 limiting covers, 15 electric telescopic rods and 16 pressing blocks.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1-3, the utility model provides an automatic temperature measuring device for molten iron in a ladle, which comprises a portal 1, wherein a sliding plate 3 is slidably mounted in the portal 1, two ends of the inner side of the portal 1 are respectively and fixedly provided with a sliding rail 2, two ends of the sliding plate 3 respectively extend into the two sliding rails 2 and can slide along the inner walls of the corresponding sliding rails 2, two sides of two ends of the sliding plate 3 are respectively provided with a ball groove, a ball 13 is arranged in each ball groove, the ball 13 can rotate along the inner wall of each ball groove, the ball 13 is attached to the inner wall of the corresponding sliding rail 2, and when the sliding plate 3 moves up and down along the sliding rails 2, the ball 13 is attached to the inner wall of the corresponding sliding rail 2 and rolls in each ball groove, so that the sliding plate 3 is more smooth when moving up and down, blocking cannot occur, and the flexibility is high.

The outer side end of the gantry 1 is provided with a hoisting mechanism, a hoisting end of the hoisting mechanism is provided with a steel wire rope 6, the hoisting mechanism comprises a hoisting machine hoisting 52, a hoisting machine speed reducer 53 and a hoisting machine motor 54, the shaft end of the hoisting machine hoisting 52 is linked with the output end of the hoisting machine motor 54, the output end of the hoisting machine motor 54 is linked with the output end of the hoisting machine speed reducer 53, the steel wire rope 6 is fixed on a roller of the hoisting machine hoisting 52, the roller of the hoisting machine hoisting 52 is driven to rotate through the output end of the hoisting machine motor 54, the steel wire rope 6 is controlled to be wound and unwound, the output end of the hoisting machine motor 54 is linked with the output end of the hoisting machine speed reducer 53 to control the winding and unwinding speed, and unwinding speed of the sliding plate 3 is controlled to reach a relatively accurate position.

The gantry 1 is provided with a guide opening, the steel wire rope 6 penetrates through the guide opening, the extending end is fixedly connected with the sliding plate 3, the top end of the gantry 1 is provided with a guide mechanism, the guide mechanism comprises paired fixed pulleys 7, the two fixed pulleys 7 are respectively opposite to the winding mechanism and the guide opening in the gantry 1 on the vertical surface, the steel wire rope 6 sequentially bypasses the two fixed pulleys 7, the guide mechanism is arranged to play a role in guiding the steel wire rope 6 on one hand to the fixed pulleys 7, the fixed pulley 7 on one side receives the steel wire rope 6 part guided out by a roller of the winding machine winding 52, the fixed pulley 7 on the other side is aligned with the guide opening in the gantry 1 to guide out the steel wire rope 6 part, on the other hand, the friction force when the steel wire rope 6 is wound and unwound is reduced, and the service life is prolonged.

The air cylinder 4 is fixedly mounted on the sliding plate 3, the temperature measuring gun 8 is fixedly mounted at the free end of the air cylinder 4, the thermocouple 9 is fixedly mounted on the temperature measuring gun 8, the sliding plate 3 is provided with paired connecting rods 10, the two connecting rods 10 are respectively connected with an electrode 12, an insulating plate 11 is arranged between the connecting rod 10 and the electrode 12, and the insulating plate 11 is fixedly connected with the corresponding connecting rod 10 and the electrode 12 through bolts.

A limiting cover 14 is fixedly arranged on the inner edge wall of the portal 1 positioned in the guide opening, an electric telescopic rod 15 is fixedly arranged on the portal 1 positioned on the side edge of the limiting cover 14, the free end of the electric telescopic rod is arranged towards one side of the limiting cover 14, a pressing block 16 is fixedly arranged on the free end, the pressing block 16 is in a sphere shape, the inner cover of the limiting cover 14 is in a curved surface shape matched with the sphere, the sliding plate 3 is controlled to descend during temperature measurement operation, when the electrode 12 touches the molten iron surface, the sliding plate 3 is controlled to stop descending, the air cylinder 4 is started simultaneously, the free end extends to drive the temperature measuring gun 8 and the thermocouple 9 to be inserted into the liquid surface, temperature measurement operation is carried out, if the steel wire rope 6 is wound and unwound under the unexpected condition during the extension process when the free end of the air cylinder 4 is opened, the sliding plate 3 can accidentally ascend and descend to influence the temperature measurement result, therefore, before the air cylinder 4 is started, the electric telescopic rod 15 is started in advance to clamp the steel wire rope 6 between the pressing plate 16 and the limiting cover 14, locking and positioning the steel wire rope 6, temporarily limiting the lifting of the steel wire rope 6, thereby avoiding the situation that the sliding plate 3 can be lifted accidentally, and after the operation of the cylinder 4 is completed, the electric telescopic rod 15 is restored to the original position, controlling the sliding plate 3 to be lifted automatically, and completing the temperature measurement operation.

The working principle is as follows: when the ladle runs under the automatic temperature measuring device, workers operate the hoisting mechanism in the duty room to control the sliding plate 3 to descend, when the electrode 12 touches the molten iron surface, the sliding plate 3 stops descending, the air cylinder 4 is started, the free end extends to drive the temperature measuring gun 8 and the thermocouple 9 to be inserted into the molten iron surface, after about 5 seconds, the air cylinder 4 is controlled to automatically retract, the sliding plate 3 automatically rises, and the temperature measuring operation is completed.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the utility model, as long as they do not exceed the scope of the utility model described in the claims.

Claims

1. The utility model provides an automatic temperature measuring device of interior molten iron of ladle, includes the portal, its characterized in that: the thermal insulation type temperature measurement device is characterized in that a sliding plate is arranged in the portal frame in a sliding mode, a hoisting mechanism is arranged at the outer side end of the portal frame, a steel wire rope is arranged at the hoisting end of the hoisting mechanism, a guide opening is formed in the portal frame, the steel wire rope penetrates through the guide opening, the extending end is fixedly connected with the sliding plate, a cylinder is fixedly arranged on the sliding plate, a temperature measurement gun is fixedly arranged at the free end of the cylinder, a thermocouple is fixedly arranged on the temperature measurement gun, paired connecting rods are arranged on the sliding plate, electrodes are respectively connected onto the two connecting rods, an insulation plate is arranged between each connecting rod and each electrode, and the insulation plates are fixedly connected with the corresponding connecting rods and the corresponding electrodes through bolts.

2. The automatic temperature measuring device for molten iron in a ladle according to claim 1, characterized in that: the winding mechanism comprises a winding engine winding, a winding engine speed reducer and a winding engine motor, the shaft end of the winding engine winding is linked with the output end of the winding engine motor, the output end of the winding engine motor is linked with the output end of the winding engine speed reducer, and the steel wire rope is fixed on a roller of the winding engine winding.

3. The automatic temperature measuring device for molten iron in a ladle according to claim 1, characterized in that: the top end of the gantry is provided with a guide mechanism, the guide mechanism comprises paired fixed pulleys, the two fixed pulleys are respectively over against the hoisting mechanism and a guide port on the gantry on a vertical plane, and the steel wire rope sequentially bypasses the two fixed pulleys.

4. The automatic temperature measuring device for molten iron in a ladle according to claim 1, characterized in that: the two ends of the inner side of the portal frame are respectively and fixedly provided with a sliding rail, and the two ends of the sliding plate respectively extend into the two sliding rails and can slide along the inner walls of the corresponding sliding rails.

5. The automatic temperature measuring device for molten iron in a ladle according to claim 4, wherein: the two sides of the two ends of the sliding plate are respectively provided with a ball groove, balls are arranged in the ball grooves, the balls can rotate along the groove walls in the ball grooves, and the balls are attached to the inner walls of the corresponding sliding rails.

6. The automatic temperature measuring device for molten iron in a ladle according to claim 1, characterized in that: the portal is located and is followed fixed mounting on the wall in the guide opening and have spacing cover, and lies in spacing cover side fixed mounting on the portal and have electric telescopic handle, electric telescopic handle free end sets up towards spacing cover one side, and fixed mounting has the briquetting on the free end.

7. The automatic temperature measuring device for molten iron in a ladle according to claim 6, wherein: the pressing block is a sphere, and the inner cover surface of the limiting cover is in a curved surface shape matched with the sphere.