CN220597605U

CN220597605U - Centering mechanism for electroslag furnace

Info

Publication number: CN220597605U
Application number: CN202322227224.3U
Authority: CN
Inventors: 汪澎; 李心钰
Original assignee: Shanghai Yuanding Technology Co ltd
Current assignee: Shanghai Yuanding Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-15
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a centering mechanism for an electroslag furnace, which relates to the technical field of the electroslag furnace and comprises a supporting frame and an adjusting device, wherein weighing sensors are arranged at four corners of the upper surface of the supporting frame, the adjusting device is provided with two groups, the two groups of adjusting devices are respectively arranged at the front end of the bottom of the supporting frame and the right side of the bottom, the adjusting device comprises a U-shaped frame, a screw lifter and a pneumatic motor, the U-shaped frame is arranged at the bottom of the supporting frame, the screw lifter is arranged at one side of the U-shaped frame, the pneumatic motor is arranged at the power input end of the screw lifter, bases are respectively arranged at the front end of the bottom of the supporting frame and the right side of the bottom of the supporting frame, a transmission assembly is respectively arranged between the two bases and the supporting frame, and the two bases are respectively positioned under the adjusting devices at the same side. Through the cooperation of weighing sensor and two sets of adjustment subassembly for the center of electric conduction material pole device returns the normal work of assurance equipment.

Description

Centering mechanism for electroslag furnace

Technical Field

The utility model relates to the technical field of electroslag furnaces, in particular to a centering mechanism for an electroslag furnace.

Background

The electroslag furnace is a special smelting equipment which utilizes remelting current to generate heat energy to melt consumable electrodes inserted into a slag pool, and after metal molten drops are cleaned by slag liquid, the molten metal is crystallized into electroslag ingots in a water-cooling crystallizer.

When the electroslag furnace works, the conductive rod device of the electroslag furnace is easy to deviate from the center in the use process, and cannot be aligned to a smelting station below the conductive rod device, so that crucible loss and other faults are caused in the smelting station.

Disclosure of Invention

The utility model provides a centering mechanism for an electroslag furnace, which aims to solve the problems that the conductive rod device of the electroslag furnace provided by the background art is easy to have center deviation and cannot be aligned with a smelting station below the conductive rod device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a centering mechanism for an electroslag furnace comprises a supporting frame and an adjusting device;

the four corners of braced frame upper surface all install weighing sensor, adjusting device is provided with two sets of, and two sets of adjusting device set up respectively in the front end of braced frame bottom and the right side of bottom, adjusting device includes U-shaped frame, screw lifter and air motor, the bottom at braced frame is installed to the U-shaped frame, screw lifter installs one side at the U-shaped frame, air motor installs the power input at screw lifter, the front end of braced frame bottom and the right side of bottom all are provided with the base, two all be provided with drive assembly between base and the braced frame.

Further, two bases are respectively located under the adjusting devices on the same side, a sliding groove is formed in the middle of each base, and two guide grooves located on the left side and the right side of the sliding groove are formed in each base.

Further, the transmission assembly comprises a driving lever, a connecting rod and a driven lever, wherein the driving lever and the driven lever are rotatably arranged on the bottom surface of the supporting frame, and the connecting rod is hinged between the driving lever and the driven lever.

Further, pulleys are arranged at the bottoms of the driven lever and the driving lever, and the two pulleys are respectively positioned in the two guide grooves at the same side and are in rolling connection with the guide grooves.

Further, the executing end of the screw lifter is hinged with the other end of the driving lever at the same side.

Furthermore, the front end and the right side of the bottom of the supporting frame are respectively provided with a sliding shaft, and the sliding shafts are positioned in the sliding grooves on the same side and are in sliding connection with the sliding grooves.

Furthermore, the sliding seat is arranged at the four corners of the bottom of the supporting frame.

Compared with the prior art, the utility model has the beneficial effects that:

through the cooperation of weighing sensor and two sets of adjustment subassembly, after the skew appears, the focus of electrically conductive material pole device also can appear shifting, make the measurement value of weighing sensor who is located on the centering mechanism change, electroslag furnace's control system calculates the direction and the distance of skew according to the numerical value that changes, send the result that its obtained to two adjusting device that are located centering mechanism below again, two adjusting device are perpendicular distribution, constitute an X-Y plane coordinate system, control system obtains the numerical value that weighing sensor calculated, calculate the distance that adjusting device needs to adjust again by using the computational formula, then convert into the signal and send two air motor drive screw lifters, accomplish the flexible, make the center of electrically conductive material pole device get back to normal work of assurance equipment.

Drawings

Fig. 1 is a schematic perspective view of the whole structure of the present utility model.

Fig. 2 is a schematic diagram of a front view structure of the present utility model.

Fig. 3 is a schematic top view of the internal structure of the present utility model.

Fig. 4 is a schematic front view of the base of the present utility model.

Fig. 5 is a schematic view of the internal structure of fig. 4 according to the present utility model.

Fig. 6 is a schematic view of a partial structure of the left side of the present utility model.

Fig. 7 is an enlarged schematic view of a portion of fig. 6 according to the present utility model.

Fig. 8 is a partial state diagram of the present utility model after installation.

In fig. 1-8: the device comprises a 1-supporting frame, a 2-weighing sensor, a 3-base, a 301-sliding groove, a 302-guiding groove, a 4-sliding shaft, a 5-U-shaped frame, a 6-screw lifter, a 7-pneumatic motor, an 8-driving lever, a 9-connecting rod, a 10-driven lever, an 11-pulley and a 12-sliding seat.

Detailed Description

Please refer to fig. 1 to 8:

the utility model provides a centering mechanism for an electroslag furnace, which comprises a supporting frame 1 and an adjusting device, wherein weighing sensors 2 are arranged at four corners of the upper surface of the supporting frame 1, the adjusting device is provided with two groups, the two groups of adjusting devices are respectively arranged at the front end of the bottom of the supporting frame 1 and the right side of the bottom, the adjusting device comprises a U-shaped frame 5, a screw lifter 6 and a pneumatic motor 7, the U-shaped frame 5 is arranged at the bottom of the supporting frame 1, the screw lifter 6 is arranged at one side of the U-shaped frame 5, the pneumatic motor 7 is arranged at the power input end of the screw lifter 6, the front end of the bottom of the supporting frame 1 and the right side of the bottom are respectively provided with a base 3, and a transmission component is arranged between the two bases 3 and the supporting frame 1;

when the equipment is installed, the conductive mandrel at the center of the conductive rod device passes through the middle of the carbon brush frame installed in the furnace end, then passes through the upper shield opening of the smelting station, enters the smelting station, and reaches the inside of the smelting crucible, and four installation feet of the upper support frame for installing the conductive rod device are installed at the upper parts of the four weighing sensors 2 of the centering mechanism, so that the coaxial shafts of the conductive mandrel, the upper shield and the smelting crucible are ensured, then initial numerical values of the four weighing sensors 2 are collected, as shown in fig. 8, the weighing sensors 2 are connected into a control system of the electroslag furnace, so that the weighing sensors 2 can convert detected numerical information into electric signals to be sent to the control system, and the pneumatic motor 7 is also connected into the control system of the electroslag furnace, so that the pneumatic motor 7 can be controlled through the control system, and the controlled pneumatic motor 7 enables the screw lifter 6 at the same side to stretch out and draw back;

the four corners of the bottom of the supporting frame 1 are provided with sliding seats 12, the centers of the four sliding seats 12 are respectively positioned on the same vertical line with the gravity center of the weighing sensor 2, the four sliding seats 12 fall on the furnace head and can slide freely, and the base 3 is also arranged on the furnace head to play a supporting role, as shown in figure 8;

the two groups of adjusting devices are vertically distributed in the plane to form an X-Y coordinate system of the plane, as shown in figure 3;

according to the above, the two bases 3 are respectively located under the same side adjusting device, the middle part of the base 3 is provided with the sliding groove 301, the base 3 is provided with the two guide grooves 302 located at the left side and the right side of the sliding groove 301, the transmission component comprises the driving lever 8, the connecting rod 9 and the driven lever 10, the driving lever 8 and the driven lever 10 are both rotatably installed on the bottom surface of the supporting frame 1, the connecting rod 9 is hinged between the driving lever 8 and the driven lever 10, the bottoms of the driven lever 10 and the driving lever 8 are both provided with the pulleys 11, the two pulleys 11 are respectively located in the two guide grooves 302 at the same side and are in rolling connection with the guide grooves 302, the executing end of the screw lifter 6 is hinged with the other end of the driving lever 8 at the same side, the front end and the right side of the bottom of the supporting frame 1 are both provided with the sliding shafts 4, and the sliding shafts 4 are located in the same side sliding groove 301 and are in sliding connection with the sliding groove 301;

when the front screw lifter 6 stretches out and draws back, the telescopic screw lifter 6 can push the front two pulleys 11 to move in the corresponding guide grooves 302 through the cooperation among the front driving lever 8, the connecting rod 9 and the driven lever 10, so that the movable pulleys 11 push the front sliding shaft 4 to slide left and right in the front sliding groove 301, the supporting frame 1 moves left and right, and similarly, when the right screw lifter 6 stretches out and draws back, the supporting frame 1 moves back and forth.

In summary, when the present utility model is used:

the measured initial values of the four weighing sensors 2 are sent to a control system of the electroslag furnace, when the equipment works, the conductive rod device is driven by a driving motor above to move downwards, the conductive rod device stops moving and keeps motionless when moving to a certain position, then a lifting cylinder arranged in the conductive rod device pushes out a conductive mandrel to a designated position, the conductive rod device moves up and down repeatedly in work, vibration of the equipment is formed, the center position of the conductive rod device is further shifted, after the shifting occurs, the gravity center of the conductive rod device is shifted, the measured values of the weighing sensors 2 on the centering mechanism are changed, the control system of the electroslag furnace calculates the shifting direction and distance according to the changed values by using a calculation formula, then the obtained result is sent to two adjusting devices below the centering mechanism, the two adjusting devices are vertically distributed to form an X-Y plane coordinate system, the control system obtains the calculated values of the weighing sensors 2, and then calculates the needed adjustment distances by using the calculation formula again, and then the two motors 7 are converted into the needed adjustment signals to be converted into the two normal lifting screws, and the normal working conditions of the pneumatic equipment are guaranteed, and the normal lifting and the equipment is driven by the pneumatic motor 7.

Claims

1. Centering mechanism for electroslag furnace, including braced frame (1) and adjusting device, its characterized in that:

the four corners of braced frame (1) upper surface all install weighing sensor (2), adjusting device is provided with two sets of, and two sets of adjusting device set up respectively in the front end of braced frame (1) bottom and the right side of bottom, adjusting device includes U-shaped frame (5), screw lifter (6) and pneumatic motor (7), the bottom at braced frame (1) is installed to U-shaped frame (5), one side at U-shaped frame (5) is installed to screw lifter (6), the power input at screw lifter (6) is installed to pneumatic motor (7), the front end of braced frame (1) bottom and the right side of bottom all are provided with base (3), two all be provided with drive assembly between base (3) and braced frame (1).

2. The centering mechanism for an electroslag furnace according to claim 1, wherein: the two bases (3) are respectively positioned under the adjusting devices on the same side, the middle part of each base (3) is provided with a sliding groove (301), and the bases (3) are provided with two guide grooves (302) positioned on the left side and the right side of each sliding groove (301).

3. The centering mechanism for an electroslag furnace according to claim 2, wherein: the transmission assembly comprises a driving lever (8), a connecting rod (9) and a driven lever (10), wherein the driving lever (8) and the driven lever (10) are rotatably arranged on the bottom surface of the supporting frame (1), and the connecting rod (9) is hinged between the driving lever (8) and the driven lever (10).

4. A centering mechanism for electroslag furnaces as claimed in claim 3, wherein: the bottoms of the driven lever (10) and the driving lever (8) are respectively provided with a pulley (11), and the two pulleys (11) are respectively positioned in the two guide grooves (302) on the same side and are in rolling connection with the guide grooves (302).

5. A centering mechanism for electroslag furnaces as claimed in claim 3, wherein: the actuating end of the screw lifter (6) is hinged with the other end of the driving lever (8) at the same side.

6. The centering mechanism for an electroslag furnace according to claim 2, wherein: the front end and the right side of the bottom of the supporting frame (1) are both provided with sliding shafts (4), and the sliding shafts (4) are positioned in the sliding grooves (301) on the same side and are in sliding connection with the sliding grooves (301).

7. The centering mechanism for an electroslag furnace according to claim 1, wherein: and sliding seats (12) are arranged at four corners of the bottom of the supporting frame (1).