CN217172983U

CN217172983U - Electric furnace crucible positioning device

Info

Publication number: CN217172983U
Application number: CN202220236998.5U
Authority: CN
Inventors: 韩恭庆; 张金宝; 武洪喜; 钟延堂; 刘树梓
Original assignee: Jinan No2 Machine Tool Casting Co ltd
Current assignee: Jinan No2 Machine Tool Casting Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-08-12
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses an electric furnace crucible positioning device, which is used for enabling a crucible to be positioned at the center of a furnace body of an electric furnace. The positioner comprises a rack rod body, a screw rod, a driving device, a connecting rod and a positioning rod. The screw rod is arranged on the rod body of the frame. The driving device is connected with the upper end of the screw rod and is used for driving the screw rod to rotate. The slider is installed at the lower extreme of screw rod and with screw rod screw-thread fit, and the screw rod rotates and drives the slider and remove along the screw rod direction. One end of the positioning rod is hinged with the middle lower part of the rack rod body, the other end of the positioning rod is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the sliding block, the sliding block moves upwards to drive the connecting rod to rotate, and the connecting rod drives the positioning rod to rotate towards the outer side to be abutted against the outer wall of the crucible. The technical scheme of this application can build the stove in-process at the electric stove, carries out comparatively accurate location to placing of crucible, guarantees that the interval between crucible and the oven is even, guarantees that the thickness of filling the furnace lining between crucible and the oven is even.

Description

Electric furnace crucible positioning device

Technical Field

The utility model relates to a technical field of melting equipment particularly, relates to an electric stove crucible positioner.

Background

A crucible furnace is a commonly used smelting device. When the crucible is placed in the furnace, the crucible is placed into the furnace by generally adopting a hoisting mode, when the crucible is about to contact the bottom of the furnace, the crucible needs to be manually centered, and the gap between the crucible and the furnace wall is adjusted to ensure that the distance between the crucible and the furnace wall is uniform.

However, the manual centering easily causes the uneven distance between the crucible and the furnace wall, which causes the uneven thickness of the furnace lining after the furnace building materials are filled, and influences the service life and the safety of the furnace lining.

Disclosure of Invention

The utility model aims at providing an electric stove crucible positioner, it can build the stove in-process at the electric stove, carries out comparatively accurate location to placing of crucible to guarantee that the interval between crucible and the oven is even, guarantee that the thickness of filling the furnace wall between crucible and the oven is even, extension furnace wall life improves electric stove safety in utilization.

The utility model provides an electric stove crucible positioner for make the crucible be located the furnace body center of electric stove, including at least three edge the locator that the oven circumference of electric stove was evenly arranged, the crucible is through at least three intermediate position that the locator encloses reachs the stove bottom of electric stove.

Wherein the positioner comprises: a frame rod body linearly extending a predetermined length in a predetermined direction; the screw rod extends for a preset length along the extension direction of the rack rod body, and the screw rod is installed on the rack rod body; the driving device is connected with the upper end of the screw rod and is used for driving the screw rod to rotate; the sliding block is arranged at the lower end of the screw rod and is in threaded fit with the screw rod, and the screw rod rotates to drive the sliding block to move along the screw rod direction; the crucible pot comprises a connecting rod and a positioning rod, wherein one end of the positioning rod is hinged to the middle lower portion of a rack rod body, the other end of the positioning rod is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to a sliding block, the sliding block moves upwards to drive the connecting rod to rotate, and the connecting rod rotates to drive the positioning rod to rotate outwards to be abutted to the outer wall of the crucible pot.

Furthermore, the positioner further comprises a fixing clamping rod, the fixing clamping rod is connected with the upper portion of the rack rod body, and the fixing clamping rod is clamped at the opening of the electric furnace so that the rack rod body can be hung on the furnace wall of the electric furnace.

Furthermore, a circle of bulges are arranged on the circumference of the opening of the electric furnace and used for clamping the fixed clamping rod.

Furthermore, a hoisting device is erected at an opening of the electric furnace and used for hoisting the crucible into the electric furnace.

Further, the rack rod body is of a cylindrical structure, and the screw is installed in the rack rod body.

Furthermore, one end of the positioning rod, which is used for abutting against the crucible, is provided with a roller.

Further, the driving device comprises a rotating handle, and the rotating handle is connected with the screw rod and drives the screw rod to rotate.

Furthermore, the driving device also comprises a locking piece which is detachably inserted at the upper part of the frame rod body and used for limiting the rotation of the screw rod.

Compared with the prior art, the beneficial effect of this application is:

use the technical scheme of the utility model when carrying out the crucible location in the electric furnace, paste the inboard oven installation of tight electric furnace with at least three locator, then through drive arrangement rotating screw, make the slider rise, slider rebound drive connecting rod rotates, and the connecting rod rotates and drives the locating lever and rotate towards the outside and inconsistent with the outer wall of crucible. The slider through making at least three locator rises the same height, can make the locating lever rotate the same angle towards the electric stove center, thereby conflict with the outer wall of crucible, in order to fix a position the crucible at the center of electric stove, then slowly put the crucible to the stove bottom of electric stove, the center that is located the electric stove can be guaranteed basically to the crucible this moment, thereby further guarantee that the interval between crucible and the oven is even, and then guarantee follow-up stove in-process of building, the thickness of the furnace lining of filling between crucible and oven is even, thereby prolong furnace lining life, improve electric stove safety in utilization.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the utility model in use;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic view of the overall structure of the utility model with a hoisting device;

FIG. 5 is a schematic view showing the structure of an electric furnace and a crucible.

In the figure: 10. a frame rod body; 20. a screw; 30. a drive device; 31. rotating the handle; 32. a locking member; 40. a slider; 50. a connecting rod; 60. positioning a rod; 61. a roller; 70. fixing the clamping rod; 80. hoisting the device; 100. a crucible; 200. an electric furnace; 201. a protrusion; 300. a furnace lining.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model provides an electric furnace crucible positioning device for making crucible 100 be located the furnace body center of electric furnace 200, include at least three edge the locator that the oven wall circumference of electric furnace 200 evenly arranged, crucible 100 arrives through at least three intermediate position that the locator encloses the stove bottom of electric furnace 200.

Wherein the positioner comprises: a frame rod body 10 linearly extended by a predetermined length in a predetermined direction; a screw 20 extending a predetermined length in an extending direction of the frame rod 10, the screw 20 being mounted on the frame rod 10; a driving device 30 connected to an upper end of the screw 20 and driving the screw 20 to rotate; the sliding block 40 is installed at the lower end of the screw rod 20 and is in threaded fit with the screw rod 20, and the screw rod 20 rotates to drive the sliding block 40 to move along the direction of the screw rod 20; the crucible device comprises a connecting rod 50 and a positioning rod 60, wherein one end of the positioning rod 60 is hinged to the middle lower part of the rack rod body 10, the other end of the positioning rod 60 is hinged to one end of the connecting rod 50, the other end of the connecting rod 50 is hinged to a sliding block 40, the sliding block 40 moves upwards to drive the connecting rod 50 to rotate, and the connecting rod 50 rotates to drive the positioning rod 60 to rotate outwards to abut against the outer wall of the crucible 100.

When the technical scheme of the embodiment is used for positioning the crucible 100 in the electric furnace 200, at least three positioners are closely arranged on the furnace wall at the side of the electric furnace 200, then the screw rod 20 is rotated by the driving device 30, so that the slide block 40 is lifted, the slide block 40 moves upwards to drive the connecting rod 50 to rotate, and the connecting rod 50 rotates to drive the positioning rod 60 to rotate towards the outer side so as to be abutted against the outer wall of the crucible 100. The slider 40 through making at least three locator rises the same height, can make the locating lever 60 rotate the same angle towards electric stove 200 center, thereby contradict with the outer wall of crucible 100, in order to fix a position crucible 100 at the center of electric stove 200, then slowly put crucible 100 to the stove bottom of electric stove 200, crucible 100 can guarantee to be located the center of electric stove 200 this moment basically betterly, thereby further guarantee that the interval between crucible 100 and the oven is even, and then guarantee follow-up building stove in-process, the thickness of the furnace lining 300 of filling between crucible 100 and the oven is even, thereby prolong furnace lining 300 life, improve electric stove safety in utilization.

As shown in fig. 1 to 3, the positioner further comprises a fixing clip rod 70, the fixing clip rod 70 is connected to the upper portion of the rack rod body 10, and the fixing clip rod 70 is used for being clamped at the opening of the electric furnace 200 so that the rack rod body 10 is hung on the furnace wall of the electric furnace 200. A circle of protrusions 201 are arranged on the circumference of the opening of the electric furnace 200, and the protrusions 201 are used for clamping the fixed clamping rod 70. The above structure is convenient for fixing the rack bar 10, but when the crucible 100 reaches the bottom, the upper portion of the crucible 100 is still interfered by the positioning rod 60.

As shown in fig. 4, a lifting device 80 is provided at an opening of the electric furnace 200 for lifting the crucible 100 into the electric furnace 200.

As shown in fig. 1 to 3, the rack bar body 10 is a cylindrical structure, and the screw rod 20 is installed in the rack bar body 10, and the cylindrical structure forms a protection for the screw rod 20.

As shown in fig. 3, a roller 61 is disposed at one end of the positioning rod 60, which is used for abutting against the crucible 100, and the roller 61 abuts against the crucible 100 and simultaneously can ensure that the crucible 100 slides down smoothly, so as to reduce friction and protect the outer surface of the crucible 100.

As shown in fig. 1 to 3, the driving device 30 includes a rotating handle 31, and the rotating handle 31 is connected to the screw rod 20 and drives the screw rod 20 to rotate.

As shown in fig. 1-2, the driving device 30 further includes a locking member 32 detachably inserted into an upper portion of the rack body 10 for limiting the rotation of the screw 20, so that when the crucible 100 is placed downwards, the positioning position of the positioning rod 60 of the positioner relative to the crucible 100 can be effectively ensured.

The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.

Claims

1. An electric furnace crucible positioning device for positioning a crucible (100) at the center of a furnace body of an electric furnace (200), characterized by comprising at least three positioners uniformly arranged along the circumference of the furnace wall of the electric furnace (200), the crucible (100) reaching the bottom of the electric furnace (200) through an intermediate position surrounded by the at least three positioners, wherein the positioners comprise:

a frame bar body (10) linearly extended by a predetermined length in a predetermined direction;

a screw (20) extending a predetermined length in an extending direction of the frame rod body (10), the screw (20) being mounted on the frame rod body (10);

a driving device (30) connected with the upper end of the screw rod (20) and used for driving the screw rod (20) to rotate;

the sliding block (40) is installed at the lower end of the screw rod (20) and is in threaded fit with the screw rod (20), and the screw rod (20) rotates to drive the sliding block (40) to move along the direction of the screw rod (20);

the crucible device comprises a connecting rod (50) and a positioning rod (60), wherein one end of the positioning rod (60) is hinged to the middle lower portion of a rack rod body (10), the other end of the positioning rod (60) is hinged to one end of the connecting rod (50), the other end of the connecting rod (50) is hinged to a sliding block (40), the sliding block (40) moves upwards to drive the connecting rod (50) to rotate, and the connecting rod (50) rotates to drive the positioning rod (60) to rotate outwards to be abutted to the outer wall of the crucible (100).

2. The electric furnace crucible positioning device according to claim 1, characterized in that the positioner further comprises a fixed clamping rod (70), the fixed clamping rod (70) is connected with the upper part of the rack rod body (10), and the fixed clamping rod (70) is used for clamping at the opening of the electric furnace (200) so that the rack rod body (10) is hung on the furnace wall of the electric furnace (200).

3. The electric furnace crucible positioning device according to claim 2, characterized in that a circle of protrusions (201) for engagement of the fixing clip rod (70) is provided circumferentially at the opening of the electric furnace (200).

4. The electric furnace crucible positioning device according to claim 1, wherein a lifting device (80) for lifting the crucible (100) into the electric furnace (200) is erected at an opening of the electric furnace (200).

5. The electric furnace crucible positioning device according to claim 1, characterized in that the rack rod body (10) is a cylindrical structure, and the screw (20) is installed in the rack rod body (10).

6. The electric furnace crucible positioning device according to any one of claims 1 to 5, wherein an end of the positioning rod (60) for abutting against the crucible (100) is provided with a roller (61).

7. The electric furnace crucible positioning device according to any one of claims 1 to 5, wherein the driving device (30) comprises a rotating handle (31), and the rotating handle (31) is connected with the screw (20) and drives the screw (20) to rotate.

8. The electric furnace crucible positioning device according to claim 7, wherein the driving means (30) further comprises a locking member (32) detachably inserted in an upper portion of the rack bar (10) for limiting the rotation of the screw (20).