CN219075977U

CN219075977U - Electric arc furnace casting pit capable of adapting to heat preservation boxes of different specifications

Info

Publication number: CN219075977U
Application number: CN202222818323.4U
Authority: CN
Inventors: 李享儒; 龙沾卫; 龙海涛
Original assignee: Zhengzhou Yuandong Refractory Co Ltd
Current assignee: Zhengzhou Yuandong Refractory Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-26
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses an electric arc furnace casting pit capable of adapting to heat preservation boxes of different specifications, and relates to the technical field of electric arc furnace casting pits, comprising a pit and further comprising: the placing platform is used for placing the incubator; the lifting mechanism comprises a box body, a screw rod is rotatably connected to the inside of the box body, a lifting block is connected to the screw rod in a threaded mode, a supporting rod is mounted on the upper surface of the lifting block, and one end of the supporting rod is fixedly connected with the placing platform; the driving unit is arranged in the box body and is used for driving the screw rod to rotate; the beneficial effects of the utility model are as follows: the placing platform is used for placing the incubator, and different incubators are adapted by adjusting the height of the placing platform, so that the distance between the incubator and the furnace mouth can be adjusted according to the difference of the incubators, the distance between the furnace mouth and the incubator is always in a proper range, and the casting quality is improved.

Description

Electric arc furnace casting pit capable of adapting to heat preservation boxes of different specifications

Technical Field

The utility model relates to the technical field of electric arc furnace casting pits, in particular to an electric arc furnace casting pit which can be matched with heat preservation boxes of different specifications.

Background

It is known that in the production of fused bricks, it is necessary to heat and melt the raw materials of the fused bricks by means of an arc furnace, so that a molten liquid can be formed, and the molten liquid is cast in a sand mold which is placed in an incubator during casting and is wholly placed in a pit after being cooled to form a solid fused brick.

At present, when casting, the incubator must be in the furnace mouth below to guarantee the melt that the furnace mouth flows, can cast to the sand mould in, according to the insulation can specification difference, the size of incubator also is different, must lead to the distance between furnace mouth and the sand mould can be different, when the difference in height between incubator and the furnace mouth is great like this, can produce great impulsive force to the sand mould when its melt casting, its two difference in height is too big, the melt is difficult to aim at the casting gate of sand mould.

Disclosure of Invention

The utility model aims to provide an arc furnace casting pit which can be adapted to heat preservation boxes of different specifications, and the bottom of the pit can be adjusted in height, so that the distance between the heat preservation boxes and a furnace mouth can be adjusted according to the difference of the heat preservation boxes, the distance between the furnace mouth and the heat preservation boxes is always in a proper range, and the casting is facilitated to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an arc furnace casting pit adaptable to insulation boxes of different specifications, comprising a pit, further comprising:

the placing platform is used for placing the incubator;

the lifting mechanism comprises a box body, a screw rod is rotatably connected to the inside of the box body, a lifting block is connected to the screw rod in a threaded mode, a supporting rod is mounted on the upper surface of the lifting block, and one end of the supporting rod is fixedly connected with the placing platform;

the driving unit is arranged in the box body and is used for driving the screw rod to rotate;

the locking plate is hinged to the placing platform, an inserting block is arranged on one side of the locking plate, a locking position is arranged on the overturning stroke of the locking plate, and the inserting block is embedded into the side wall of the pit at the locking position.

Preferably, the placing platform is slidably connected in the pit, and the box body is fixedly arranged at the pit bottom of the pit.

Preferably, a positioning rod is fixedly arranged on the lower surface of the placement platform, and the positioning rod is in sliding connection with the box body.

Preferably, the inner wall of the box body is fixedly provided with a sliding rod, the sliding rod is in sliding connection with the lifting block, and the sliding rod and the screw rod are arranged in parallel.

Preferably, the driving unit comprises a driving motor and bevel gears, wherein the two bevel gears are respectively and fixedly arranged on the driving motor and the screw rod, and the two bevel gears are meshed with each other.

Preferably, a rotary sleeve is fixedly installed on the placement platform, a mandrel is rotatably connected in the rotary sleeve, and the mandrel is fixedly connected with the locking plate.

Preferably, a torsion spring is sleeved outside the mandrel, one end of the torsion spring is connected with the locking plate, and the other end of the torsion spring is fixedly connected with the rotary sleeve.

Preferably, a groove is formed in the inner wall of the pit, and the groove is matched with the plug.

Compared with the prior art, the utility model has the beneficial effects that: this can adapt to electric arc furnace casting pit of different specification insulation can: the motor rotates to drive the screw rod to rotate, when the screw rod rotates, the lifting plate can be driven to change, and then the placing platform can be driven to change in height, the placing platform is used for placing the incubator, the heights of the placing platform are adjusted, different incubators are adapted, the distance between the incubator and the furnace mouth can be adjusted according to the difference of the incubators, the distance between the furnace mouth and the incubator is always in a proper range, and casting quality is improved.

Drawings

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a locking plate in a locked state according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an enlarged structure at a provided in an embodiment of the present utility model.

In the figure: 10. a pit; 101. a groove; 11. a case; 12. a screw rod; 13. a lifting block; 14. a support rod; 15. placing a platform; 16. a positioning rod; 17. a slide bar; 18. a driving motor; 19. bevel gear; 20. a rotating sleeve; 21. a mandrel; 22. a locking plate; 23. a torsion spring; 24. and (5) inserting blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.

Referring to fig. 1-3, the present utility model provides a technical solution: an electric arc furnace casting pit adaptable to different specifications of heat-preserving boxes, comprising a pit 10, the pit 10 being arranged in front of the electric arc furnace and sinking below the ground, further comprising:

the placing platform 15 is used for placing the incubator; the insulation box is hoisted to the placement platform 15 by a crane;

the lifting mechanism comprises a box body 11, a screw rod 12 is rotatably connected in the box body 11, a lifting block 13 is connected to the screw rod 12 in a threaded manner, a supporting rod 14 is arranged on the upper surface of the lifting block 13, and one end of the supporting rod 14 is fixedly connected with a placement platform 15; the upper end and the lower end of the screw rod 12 are both rotationally connected to the box body 11 so as to ensure enough stability, when the screw rod 12 rotates, the lifting block 13 is subjected to the action of screw force and can displace along the axial direction of the screw rod 12, so that the lifting block 13 can synchronously drive the supporting rod 14 to displace when displacing, the height of the supporting rod 14 is changed, the height of the placing platform 15 can be synchronously changed, and the distance between the heat preservation box and the furnace mouth can be adjusted according to different heat preservation boxes, so that the distance between the furnace mouth and the heat preservation box is always in a proper range, and the casting quality is improved;

the driving unit is arranged in the box body 11 and is used for driving the screw rod 12 to rotate, and the screw rod 12 is driven to rotate through the driving unit;

locking plate 22, locking plate 22 is articulated on place platform 15, and one side of locking plate 22 is provided with insert 24, has a locking position on locking plate 22's upset stroke, and in locking position, insert 24 embeds in the lateral wall of pit 10. When locking the position again, can fix place platform 15 through inserted block 24 and locking plate 22, like this when the insulation can is placed, can guarantee the stability of place platform 15, when place platform 15 need carry out altitude mixture control, need overturn locking plate 22, make inserted block 24 break away from pit 10, can adjust place platform 15 altitude mixture control like this.

Referring to the figure, the placement platform 15 is slidably connected in the pit 10, the box 11 is fixedly installed at the pit bottom of the pit 10, the placement platform 15 can change the height in the pit 10, and the box 11 is arranged at the lowermost end, so that sufficient support is ensured.

Referring to fig. 1, a positioning rod 16 is fixedly mounted on the lower surface of the placement platform 15, and the positioning rod 16 is slidably connected with the box 11. The positioning rod 16 can increase the stability of the placement platform 15, and the placement platform 15 can only be displaced in the vertical direction.

Referring to fig. 1, a sliding rod 17 is fixedly mounted on the inner wall of the case 11, the sliding rod 17 is slidably connected with the lifting block 13, and the sliding rod 17 and the screw rod 12 are parallel to each other. The upper and lower two ends of the sliding rod 17 are fixedly arranged in the box 11, and the lifting block 13 is limited by the sliding rod 17, so that the lifting block 13 can only move in the vertical direction.

Referring to fig. 1, the driving unit includes a driving motor 18 and bevel gears 19, wherein two bevel gears 19 are fixedly mounted on the driving motor 18 and the screw rod 12, and the two bevel gears 19 are meshed with each other. When the driving motor 18 rotates, the bevel gears 19 can be driven to rotate, and as the two bevel gears 19 are meshed with each other, the screw rod 12 can be driven to rotate through the transmission of the bevel gears 19, so that the lifting block 13 is driven.

Referring to fig. 1-3, a rotary sleeve 20 is fixedly installed on the placement platform 15, a mandrel 21 is rotatably connected to the inside of the rotary sleeve 20, and the mandrel 21 is fixedly connected to a locking plate 22. When 1 locking position, can fix place platform 15 through inserted block 24 and locking plate 22, like this when the insulation can is placed, can guarantee place platform 15's stability, set up recess 101 on the inner wall of pit 10, recess 101 and inserted block 24 looks adaptation, inserted block 24 can insert in recess 101 when locking position, dabber 21 can rotate, can drive locking plate 22 and overturn when dabber 21 rotates, make locking plate 22 break away from pit 10 like this, lose the restriction of inserted block 24 like this, place platform 15 can carry out high regulation.

Referring to fig. 1-3, a torsion spring 23 is sleeved outside the mandrel 21, one end of the torsion spring 23 is connected with a locking plate 22, and the other end of the torsion spring 23 is fixedly connected with a rotary sleeve 20. Torsion spring 23 provides torsion to locking plate 22 so that torsion spring 23 will have a tendency to turn over towards the pit wall of pit 10 under no other external force to ensure that insert 24 can be inserted into recess 101.

The utility model is implemented in particular: through adjusting the height of the placement platform 15, the height difference between the insulation can and the furnace mouth is in a proper range, so that casting quality is improved, specifically, the driving motor 18 can drive the bevel gears 19 to rotate when rotating, as the two bevel gears 19 are meshed with each other, the screw rod 12 can be driven to rotate through the transmission of the bevel gears 19, the lifting block 13 can displace along the axial direction of the screw rod 12 under the action of the screw thread force when the screw rod 12 rotates, and the lifting block 13 can synchronously drive the support rod 14 to displace when displacing, so that the height of the support rod 14 changes, the height of the placement platform 15 can be synchronously changed, the insert block 24 can be inserted into the groove 101 when in a locking position, the placement platform 15 is fixed by the insert block 24 and the locking plate 22, and thus the stability of the placement platform 15 can be ensured when the insulation can be placed.

Claims

1. Arc furnace casting pit adaptable to different specifications of insulation boxes, comprising a pit (10), characterized in that it further comprises:

the placing platform (15) is used for placing the heat preservation box;

the lifting mechanism comprises a box body (11), a screw rod (12) is rotatably connected in the box body (11), a lifting block (13) is connected to the screw rod (12) in a threaded mode, a supporting rod (14) is mounted on the upper surface of the lifting block (13), and one end of the supporting rod (14) is fixedly connected with the placing platform (15);

the driving unit is arranged in the box body (11) and is used for driving the screw rod (12) to rotate;

the locking plate (22), the locking plate (22) articulates place on platform (15), one side of locking plate (22) is provided with inserted block (24) locking plate (22) turn over the journey on have one locking position in locking position, inserted block (24) embedding in the lateral wall of pit (10).

2. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the placement platform (15) is slidably connected in the pit (10), and the box body (11) is fixedly arranged at the pit bottom of the pit (10).

3. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the lower surface of the placement platform (15) is fixedly provided with a positioning rod (16), and the positioning rod (16) is in sliding connection with the box body (11).

4. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the inner wall of the box body (11) is fixedly provided with a sliding rod (17), the sliding rod (17) is in sliding connection with the lifting block (13), and the sliding rod (17) and the screw rod (12) are arranged in parallel.

5. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the driving unit comprises a driving motor (18) and bevel gears (19), wherein the two bevel gears (19) are respectively and fixedly arranged on the driving motor (18) and the screw rod (12), and the two bevel gears (19) are meshed with each other.

6. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the rotary sleeve (20) is fixedly installed on the placement platform (15), a mandrel (21) is rotatably connected to the inside of the rotary sleeve (20), and the mandrel (21) is fixedly connected with the locking plate (22).

7. An electric arc furnace casting pit adaptable to different sizes of heat preservation boxes according to claim 6, wherein: the outside of dabber (21) has cup jointed torsional spring (23), locking board (22) are connected to one end of torsional spring (23), the other end fixed connection of torsional spring (23) swivel sleeve (20).

8. An electric arc furnace casting pit adaptable to different sizes of incubators according to claim 1, wherein: the inner wall of the pit (10) is provided with a groove (101), and the groove (101) is matched with the inserting block (24).